am 46b9ac0a: Native input dispatch rewrite work in progress.
Merge commit '46b9ac0ae2162309774a7478cd9d4e578747bfc2' into gingerbread
* commit '46b9ac0ae2162309774a7478cd9d4e578747bfc2':
Native input dispatch rewrite work in progress.
diff --git a/core/java/android/os/MessageQueue.java b/core/java/android/os/MessageQueue.java
index d394a46..df30c76 100644
--- a/core/java/android/os/MessageQueue.java
+++ b/core/java/android/os/MessageQueue.java
@@ -16,13 +16,11 @@
package android.os;
-import java.util.ArrayList;
-
import android.util.AndroidRuntimeException;
import android.util.Config;
import android.util.Log;
-import com.android.internal.os.RuntimeInit;
+import java.util.ArrayList;
/**
* Low-level class holding the list of messages to be dispatched by a
@@ -34,11 +32,18 @@
*/
public class MessageQueue {
Message mMessages;
- private final ArrayList mIdleHandlers = new ArrayList();
+ private final ArrayList<IdleHandler> mIdleHandlers = new ArrayList<IdleHandler>();
private boolean mQuiting = false;
- private int mObject = 0; // used by native code
boolean mQuitAllowed = true;
+ @SuppressWarnings("unused")
+ private int mPtr; // used by native code
+
+ private native void nativeInit();
+ private native void nativeDestroy();
+ private native boolean nativePollOnce(int timeoutMillis);
+ private native void nativeWake();
+
/**
* Callback interface for discovering when a thread is going to block
* waiting for more messages.
@@ -85,55 +90,39 @@
mIdleHandlers.remove(handler);
}
}
-
- // Add an input pipe to the set being selected over. If token is
- // negative, remove 'handler's entry from the current set and forget
- // about it.
- void setInputToken(int token, int region, Handler handler) {
- if (token >= 0) nativeRegisterInputStream(token, region, handler);
- else nativeUnregisterInputStream(token);
- }
-
+
MessageQueue() {
nativeInit();
}
- private native void nativeInit();
-
- /**
- * @param token fd of the readable end of the input stream
- * @param region fd of the ashmem region used for data transport alongside the 'token' fd
- * @param handler Handler from which to make input messages based on data read from the fd
- */
- private native void nativeRegisterInputStream(int token, int region, Handler handler);
- private native void nativeUnregisterInputStream(int token);
- private native void nativeSignal();
-
- /**
- * Wait until the designated time for new messages to arrive.
- *
- * @param when Timestamp in SystemClock.uptimeMillis() base of the next message in the queue.
- * If 'when' is zero, the method will check for incoming messages without blocking. If
- * 'when' is negative, the method will block forever waiting for the next message.
- * @return
- */
- private native int nativeWaitForNext(long when);
+
+ @Override
+ protected void finalize() throws Throwable {
+ try {
+ nativeDestroy();
+ } finally {
+ super.finalize();
+ }
+ }
final Message next() {
boolean tryIdle = true;
// when we start out, we'll just touch the input pipes and then go from there
- long timeToNextEventMillis = 0;
+ int timeToNextEventMillis = 0;
while (true) {
long now;
Object[] idlers = null;
- nativeWaitForNext(timeToNextEventMillis);
+ boolean dispatched = nativePollOnce(timeToNextEventMillis);
// Try to retrieve the next message, returning if found.
synchronized (this) {
now = SystemClock.uptimeMillis();
Message msg = pullNextLocked(now);
- if (msg != null) return msg;
+ if (msg != null) {
+ return msg;
+ }
+
if (tryIdle && mIdleHandlers.size() > 0) {
idlers = mIdleHandlers.toArray();
}
@@ -170,9 +159,14 @@
synchronized (this) {
// No messages, nobody to tell about it... time to wait!
if (mMessages != null) {
- if (mMessages.when - now > 0) {
+ long longTimeToNextEventMillis = mMessages.when - now;
+
+ if (longTimeToNextEventMillis > 0) {
Binder.flushPendingCommands();
- timeToNextEventMillis = mMessages.when - now;
+ timeToNextEventMillis = (int) Math.min(longTimeToNextEventMillis,
+ Integer.MAX_VALUE);
+ } else {
+ timeToNextEventMillis = 0;
}
} else {
Binder.flushPendingCommands();
@@ -230,7 +224,7 @@
msg.next = prev.next;
prev.next = msg;
}
- nativeSignal();
+ nativeWake();
}
return true;
}
@@ -351,7 +345,7 @@
void poke()
{
synchronized (this) {
- nativeSignal();
+ nativeWake();
}
}
}
diff --git a/core/java/android/service/wallpaper/WallpaperService.java b/core/java/android/service/wallpaper/WallpaperService.java
index 2ade44e..3f5d6ca 100644
--- a/core/java/android/service/wallpaper/WallpaperService.java
+++ b/core/java/android/service/wallpaper/WallpaperService.java
@@ -18,6 +18,7 @@
import com.android.internal.os.HandlerCaller;
import com.android.internal.view.BaseIWindow;
+import com.android.internal.view.BaseInputHandler;
import com.android.internal.view.BaseSurfaceHolder;
import android.annotation.SdkConstant;
@@ -39,6 +40,10 @@
import android.util.LogPrinter;
import android.view.Gravity;
import android.view.IWindowSession;
+import android.view.InputChannel;
+import android.view.InputHandler;
+import android.view.InputQueue;
+import android.view.KeyEvent;
import android.view.MotionEvent;
import android.view.SurfaceHolder;
import android.view.View;
@@ -46,6 +51,7 @@
import android.view.ViewRoot;
import android.view.WindowManager;
import android.view.WindowManagerImpl;
+import android.view.WindowManagerPolicy;
import java.util.ArrayList;
@@ -146,6 +152,7 @@
final WindowManager.LayoutParams mLayout
= new WindowManager.LayoutParams();
IWindowSession mSession;
+ InputChannel mInputChannel;
final Object mLock = new Object();
boolean mOffsetMessageEnqueued;
@@ -205,6 +212,30 @@
};
+ final InputHandler mInputHandler = new BaseInputHandler() {
+ @Override
+ public void handleTouch(MotionEvent event, Runnable finishedCallback) {
+ try {
+ synchronized (mLock) {
+ if (event.getAction() == MotionEvent.ACTION_MOVE) {
+ if (mPendingMove != null) {
+ mCaller.removeMessages(MSG_TOUCH_EVENT, mPendingMove);
+ mPendingMove.recycle();
+ }
+ mPendingMove = event;
+ } else {
+ mPendingMove = null;
+ }
+ Message msg = mCaller.obtainMessageO(MSG_TOUCH_EVENT,
+ event);
+ mCaller.sendMessage(msg);
+ }
+ } finally {
+ finishedCallback.run();
+ }
+ }
+ };
+
final BaseIWindow mWindow = new BaseIWindow() {
@Override
public boolean onDispatchPointer(MotionEvent event, long eventTime,
@@ -487,8 +518,15 @@
mLayout.setTitle(WallpaperService.this.getClass().getName());
mLayout.windowAnimations =
com.android.internal.R.style.Animation_Wallpaper;
- mSession.add(mWindow, mLayout, View.VISIBLE, mContentInsets);
+ mInputChannel = new InputChannel();
+ mSession.add(mWindow, mLayout, View.VISIBLE, mContentInsets,
+ mInputChannel);
mCreated = true;
+
+ if (WindowManagerPolicy.ENABLE_NATIVE_INPUT_DISPATCH) {
+ InputQueue.registerInputChannel(mInputChannel, mInputHandler,
+ Looper.myQueue());
+ }
}
mSurfaceHolder.mSurfaceLock.lock();
@@ -587,6 +625,7 @@
mSurfaceHolder.setSizeFromLayout();
mInitializing = true;
mSession = ViewRoot.getWindowSession(getMainLooper());
+
mWindow.setSession(mSession);
IntentFilter filter = new IntentFilter();
@@ -730,6 +769,15 @@
try {
if (DEBUG) Log.v(TAG, "Removing window and destroying surface "
+ mSurfaceHolder.getSurface() + " of: " + this);
+
+ if (WindowManagerPolicy.ENABLE_NATIVE_INPUT_DISPATCH) {
+ if (mInputChannel != null) {
+ InputQueue.unregisterInputChannel(mInputChannel);
+ mInputChannel.dispose();
+ mInputChannel = null;
+ }
+ }
+
mSession.remove(mWindow);
} catch (RemoteException e) {
}
diff --git a/core/java/android/view/IWindowSession.aidl b/core/java/android/view/IWindowSession.aidl
index 01f07d6..4647fb4 100644
--- a/core/java/android/view/IWindowSession.aidl
+++ b/core/java/android/view/IWindowSession.aidl
@@ -21,6 +21,7 @@
import android.graphics.Rect;
import android.graphics.Region;
import android.os.Bundle;
+import android.view.InputChannel;
import android.view.IWindow;
import android.view.MotionEvent;
import android.view.WindowManager;
@@ -33,6 +34,9 @@
*/
interface IWindowSession {
int add(IWindow window, in WindowManager.LayoutParams attrs,
+ in int viewVisibility, out Rect outContentInsets,
+ out InputChannel outInputChannel);
+ int addWithoutInputChannel(IWindow window, in WindowManager.LayoutParams attrs,
in int viewVisibility, out Rect outContentInsets);
void remove(IWindow window);
diff --git a/core/java/android/view/InputChannel.aidl b/core/java/android/view/InputChannel.aidl
new file mode 100644
index 0000000..74c0aa4
--- /dev/null
+++ b/core/java/android/view/InputChannel.aidl
@@ -0,0 +1,20 @@
+/* //device/java/android/android/view/InputChannel.aidl
+**
+** Copyright 2010, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License");
+** you may not use this file except in compliance with the License.
+** You may obtain a copy of the License at
+**
+** http://www.apache.org/licenses/LICENSE-2.0
+**
+** Unless required by applicable law or agreed to in writing, software
+** distributed under the License is distributed on an "AS IS" BASIS,
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+** See the License for the specific language governing permissions and
+** limitations under the License.
+*/
+
+package android.view;
+
+parcelable InputChannel;
diff --git a/core/java/android/view/InputChannel.java b/core/java/android/view/InputChannel.java
new file mode 100644
index 0000000..66a83b8
--- /dev/null
+++ b/core/java/android/view/InputChannel.java
@@ -0,0 +1,152 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.view;
+
+import android.os.Parcel;
+import android.os.Parcelable;
+import android.util.Slog;
+
+/**
+ * An input channel specifies the file descriptors used to send input events to
+ * a window in another process. It is Parcelable so that it can be transmitted
+ * to the ViewRoot through a Binder transaction as part of registering the Window.
+ * @hide
+ */
+public class InputChannel implements Parcelable {
+ private static final String TAG = "InputChannel";
+
+ public static final Parcelable.Creator<InputChannel> CREATOR
+ = new Parcelable.Creator<InputChannel>() {
+ public InputChannel createFromParcel(Parcel source) {
+ InputChannel result = new InputChannel();
+ result.readFromParcel(source);
+ return result;
+ }
+
+ public InputChannel[] newArray(int size) {
+ return new InputChannel[size];
+ }
+ };
+
+ @SuppressWarnings("unused")
+ private int mPtr; // used by native code
+
+ private boolean mDisposeAfterWriteToParcel;
+
+ private static native InputChannel[] nativeOpenInputChannelPair(String name);
+
+ private native void nativeDispose(boolean finalized);
+ private native void nativeTransferTo(InputChannel other);
+ private native void nativeReadFromParcel(Parcel parcel);
+ private native void nativeWriteToParcel(Parcel parcel);
+
+ private native String nativeGetName();
+
+ /**
+ * Creates an uninitialized input channel.
+ * It can be initialized by reading from a Parcel or by transferring the state of
+ * another input channel into this one.
+ */
+ public InputChannel() {
+ }
+
+ @Override
+ protected void finalize() throws Throwable {
+ try {
+ nativeDispose(true);
+ } finally {
+ super.finalize();
+ }
+ }
+
+ /**
+ * Creates a new input channel pair. One channel should be provided to the input
+ * dispatcher and the other to the application's input queue.
+ * @param name The descriptive (non-unique) name of the channel pair.
+ * @return A pair of input channels. They are symmetric and indistinguishable.
+ */
+ public static InputChannel[] openInputChannelPair(String name) {
+ if (name == null) {
+ throw new IllegalArgumentException("name must not be null");
+ }
+
+ Slog.d(TAG, "Opening input channel pair '" + name + "'");
+ return nativeOpenInputChannelPair(name);
+ }
+
+ /**
+ * Gets the name of the input channel.
+ * @return The input channel name.
+ */
+ public String getName() {
+ String name = nativeGetName();
+ return name != null ? name : "uninitialized";
+ }
+
+ /**
+ * Disposes the input channel.
+ * Explicitly releases the reference this object is holding on the input channel.
+ * When all references are released, the input channel will be closed.
+ */
+ public void dispose() {
+ nativeDispose(false);
+ }
+
+ /**
+ * Transfers ownership of the internal state of the input channel to another
+ * instance and invalidates this instance. This is used to pass an input channel
+ * as an out parameter in a binder call.
+ * @param other The other input channel instance.
+ */
+ public void transferToBinderOutParameter(InputChannel outParameter) {
+ if (outParameter == null) {
+ throw new IllegalArgumentException("outParameter must not be null");
+ }
+
+ nativeTransferTo(outParameter);
+ outParameter.mDisposeAfterWriteToParcel = true;
+ }
+
+ public int describeContents() {
+ return Parcelable.CONTENTS_FILE_DESCRIPTOR;
+ }
+
+ public void readFromParcel(Parcel in) {
+ if (in == null) {
+ throw new IllegalArgumentException("in must not be null");
+ }
+
+ nativeReadFromParcel(in);
+ }
+
+ public void writeToParcel(Parcel out, int flags) {
+ if (out == null) {
+ throw new IllegalArgumentException("out must not be null");
+ }
+
+ nativeWriteToParcel(out);
+
+ if (mDisposeAfterWriteToParcel) {
+ dispose();
+ }
+ }
+
+ @Override
+ public String toString() {
+ return getName();
+ }
+}
diff --git a/core/java/android/view/InputHandler.java b/core/java/android/view/InputHandler.java
new file mode 100644
index 0000000..816f622
--- /dev/null
+++ b/core/java/android/view/InputHandler.java
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.view;
+
+/**
+ * Handles input messages that arrive on an input channel.
+ * @hide
+ */
+public interface InputHandler {
+ /**
+ * Handle a key event.
+ * It is the responsibility of the callee to ensure that the finished callback is
+ * eventually invoked when the event processing is finished and the input system
+ * can send the next event.
+ * @param event The key event data.
+ * @param finishedCallback The callback to invoke when event processing is finished.
+ */
+ public void handleKey(KeyEvent event, Runnable finishedCallback);
+
+ /**
+ * Handle a touch event.
+ * It is the responsibility of the callee to ensure that the finished callback is
+ * eventually invoked when the event processing is finished and the input system
+ * can send the next event.
+ * @param event The motion event data.
+ * @param finishedCallback The callback to invoke when event processing is finished.
+ */
+ public void handleTouch(MotionEvent event, Runnable finishedCallback);
+
+ /**
+ * Handle a trackball event.
+ * It is the responsibility of the callee to ensure that the finished callback is
+ * eventually invoked when the event processing is finished and the input system
+ * can send the next event.
+ * @param event The motion event data.
+ * @param finishedCallback The callback to invoke when event processing is finished.
+ */
+ public void handleTrackball(MotionEvent event, Runnable finishedCallback);
+}
diff --git a/core/java/android/view/InputQueue.java b/core/java/android/view/InputQueue.java
new file mode 100644
index 0000000..b38f7d5
--- /dev/null
+++ b/core/java/android/view/InputQueue.java
@@ -0,0 +1,126 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.view;
+
+import android.os.MessageQueue;
+import android.util.Slog;
+
+/**
+ * An input queue provides a mechanism for an application to receive incoming
+ * input events sent over an input channel. Signalling is implemented by MessageQueue.
+ * @hide
+ */
+public final class InputQueue {
+ private static final String TAG = "InputQueue";
+
+ // Describes the interpretation of an event.
+ // XXX This concept is tentative. See comments in android/input.h.
+ public static final int INPUT_EVENT_NATURE_KEY = 1;
+ public static final int INPUT_EVENT_NATURE_TOUCH = 2;
+ public static final int INPUT_EVENT_NATURE_TRACKBALL = 3;
+
+ private static Object sLock = new Object();
+
+ private static native void nativeRegisterInputChannel(InputChannel inputChannel,
+ InputHandler inputHandler, MessageQueue messageQueue);
+ private static native void nativeUnregisterInputChannel(InputChannel inputChannel);
+ private static native void nativeFinished(long finishedToken);
+
+ private InputQueue() {
+ }
+
+ /**
+ * Registers an input channel and handler.
+ * @param inputChannel The input channel to register.
+ * @param inputHandler The input handler to input events send to the target.
+ * @param messageQueue The message queue on whose thread the handler should be invoked.
+ */
+ public static void registerInputChannel(InputChannel inputChannel, InputHandler inputHandler,
+ MessageQueue messageQueue) {
+ if (inputChannel == null) {
+ throw new IllegalArgumentException("inputChannel must not be null");
+ }
+ if (inputHandler == null) {
+ throw new IllegalArgumentException("inputHandler must not be null");
+ }
+ if (messageQueue == null) {
+ throw new IllegalArgumentException("messageQueue must not be null");
+ }
+
+ synchronized (sLock) {
+ Slog.d(TAG, "Registering input channel '" + inputChannel + "'");
+ nativeRegisterInputChannel(inputChannel, inputHandler, messageQueue);
+ }
+ }
+
+ /**
+ * Unregisters an input channel.
+ * Does nothing if the channel is not currently registered.
+ * @param inputChannel The input channel to unregister.
+ */
+ public static void unregisterInputChannel(InputChannel inputChannel) {
+ if (inputChannel == null) {
+ throw new IllegalArgumentException("inputChannel must not be null");
+ }
+
+ synchronized (sLock) {
+ Slog.d(TAG, "Unregistering input channel '" + inputChannel + "'");
+ nativeUnregisterInputChannel(inputChannel);
+ }
+ }
+
+ @SuppressWarnings("unused")
+ private static void dispatchKeyEvent(InputHandler inputHandler,
+ KeyEvent event, int nature, long finishedToken) {
+ Runnable finishedCallback = new FinishedCallback(finishedToken);
+
+ if (nature == INPUT_EVENT_NATURE_KEY) {
+ inputHandler.handleKey(event, finishedCallback);
+ } else {
+ Slog.d(TAG, "Unsupported nature for key event: " + nature);
+ }
+ }
+
+ @SuppressWarnings("unused")
+ private static void dispatchMotionEvent(InputHandler inputHandler,
+ MotionEvent event, int nature, long finishedToken) {
+ Runnable finishedCallback = new FinishedCallback(finishedToken);
+
+ if (nature == INPUT_EVENT_NATURE_TOUCH) {
+ inputHandler.handleTouch(event, finishedCallback);
+ } else if (nature == INPUT_EVENT_NATURE_TRACKBALL) {
+ inputHandler.handleTrackball(event, finishedCallback);
+ } else {
+ Slog.d(TAG, "Unsupported nature for motion event: " + nature);
+ }
+ }
+
+ // TODO consider recycling finished callbacks when done
+ private static class FinishedCallback implements Runnable {
+ private long mFinishedToken;
+
+ public FinishedCallback(long finishedToken) {
+ mFinishedToken = finishedToken;
+ }
+
+ public void run() {
+ synchronized (sLock) {
+ nativeFinished(mFinishedToken);
+ }
+ }
+ }
+}
diff --git a/core/java/android/view/InputTarget.java b/core/java/android/view/InputTarget.java
new file mode 100644
index 0000000..e56e03c
--- /dev/null
+++ b/core/java/android/view/InputTarget.java
@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.view;
+
+/**
+ * An input target specifies how an input event is to be dispatched to a particular window
+ * including the window's input channel, control flags, a timeout, and an X / Y offset to
+ * be added to input event coordinates to compensate for the absolute position of the
+ * window area.
+ *
+ * These parameters are used by the native input dispatching code.
+ * @hide
+ */
+public class InputTarget {
+ public InputChannel mInputChannel;
+ public int mFlags;
+ public long mTimeoutNanos;
+ public float mXOffset;
+ public float mYOffset;
+
+ /**
+ * This flag indicates that subsequent event delivery should be held until the
+ * current event is delivered to this target or a timeout occurs.
+ */
+ public static int FLAG_SYNC = 0x01;
+
+ /**
+ * This flag indicates that a MotionEvent with ACTION_DOWN falls outside of the area of
+ * this target and so should instead be delivered as an ACTION_OUTSIDE to this target.
+ */
+ public static int FLAG_OUTSIDE = 0x02;
+
+ /*
+ * This flag indicates that a KeyEvent or MotionEvent is being canceled.
+ * In the case of a key event, it should be delivered with KeyEvent.FLAG_CANCELED set.
+ * In the case of a motion event, it should be delivered as MotionEvent.ACTION_CANCEL.
+ */
+ public static int FLAG_CANCEL = 0x04;
+
+ public void recycle() {
+ mInputChannel = null;
+ }
+}
diff --git a/core/java/android/view/KeyEvent.java b/core/java/android/view/KeyEvent.java
index 9aa16b5..ae9746e 100755
--- a/core/java/android/view/KeyEvent.java
+++ b/core/java/android/view/KeyEvent.java
@@ -127,6 +127,7 @@
// NOTE: If you add a new keycode here you must also add it to:
// isSystem()
+ // native/include/android/keycodes.h
// frameworks/base/include/ui/KeycodeLabels.h
// tools/puppet_master/PuppetMaster/nav_keys.py
// frameworks/base/core/res/res/values/attrs.xml
@@ -162,7 +163,7 @@
* key code is not {#link {@link #KEYCODE_UNKNOWN} then the
* {#link {@link #getRepeatCount()} method returns the number of times
* the given key code should be executed.
- * Otherwise, if the key code {@link #KEYCODE_UNKNOWN}, then
+ * Otherwise, if the key code is {@link #KEYCODE_UNKNOWN}, then
* this is a sequence of characters as returned by {@link #getCharacters}.
*/
public static final int ACTION_MULTIPLE = 2;
@@ -330,7 +331,7 @@
private int mMetaState;
private int mAction;
private int mKeyCode;
- private int mScancode;
+ private int mScanCode;
private int mRepeatCount;
private int mDeviceId;
private int mFlags;
@@ -480,7 +481,7 @@
mRepeatCount = repeat;
mMetaState = metaState;
mDeviceId = device;
- mScancode = scancode;
+ mScanCode = scancode;
}
/**
@@ -510,7 +511,7 @@
mRepeatCount = repeat;
mMetaState = metaState;
mDeviceId = device;
- mScancode = scancode;
+ mScanCode = scancode;
mFlags = flags;
}
@@ -547,7 +548,7 @@
mRepeatCount = origEvent.mRepeatCount;
mMetaState = origEvent.mMetaState;
mDeviceId = origEvent.mDeviceId;
- mScancode = origEvent.mScancode;
+ mScanCode = origEvent.mScanCode;
mFlags = origEvent.mFlags;
mCharacters = origEvent.mCharacters;
}
@@ -572,7 +573,7 @@
mRepeatCount = newRepeat;
mMetaState = origEvent.mMetaState;
mDeviceId = origEvent.mDeviceId;
- mScancode = origEvent.mScancode;
+ mScanCode = origEvent.mScanCode;
mFlags = origEvent.mFlags;
mCharacters = origEvent.mCharacters;
}
@@ -625,7 +626,7 @@
mRepeatCount = origEvent.mRepeatCount;
mMetaState = origEvent.mMetaState;
mDeviceId = origEvent.mDeviceId;
- mScancode = origEvent.mScancode;
+ mScanCode = origEvent.mScanCode;
mFlags = origEvent.mFlags;
// Don't copy mCharacters, since one way or the other we'll lose it
// when changing the action.
@@ -859,7 +860,7 @@
* Mostly this is here for debugging purposes.
*/
public final int getScanCode() {
- return mScancode;
+ return mScanCode;
}
/**
@@ -1183,7 +1184,7 @@
public String toString() {
return "KeyEvent{action=" + mAction + " code=" + mKeyCode
+ " repeat=" + mRepeatCount
- + " meta=" + mMetaState + " scancode=" + mScancode
+ + " meta=" + mMetaState + " scancode=" + mScanCode
+ " mFlags=" + mFlags + "}";
}
@@ -1208,7 +1209,7 @@
out.writeInt(mRepeatCount);
out.writeInt(mMetaState);
out.writeInt(mDeviceId);
- out.writeInt(mScancode);
+ out.writeInt(mScanCode);
out.writeInt(mFlags);
out.writeLong(mDownTime);
out.writeLong(mEventTime);
@@ -1220,7 +1221,7 @@
mRepeatCount = in.readInt();
mMetaState = in.readInt();
mDeviceId = in.readInt();
- mScancode = in.readInt();
+ mScanCode = in.readInt();
mFlags = in.readInt();
mDownTime = in.readLong();
mEventTime = in.readLong();
diff --git a/core/java/android/view/MotionEvent.java b/core/java/android/view/MotionEvent.java
index eefbf7a..1f06191 100644
--- a/core/java/android/view/MotionEvent.java
+++ b/core/java/android/view/MotionEvent.java
@@ -248,17 +248,17 @@
private RuntimeException mRecycledLocation;
private boolean mRecycled;
- private MotionEvent() {
- mPointerIdentifiers = new int[BASE_AVAIL_POINTERS];
- mDataSamples = new float[BASE_AVAIL_POINTERS*BASE_AVAIL_SAMPLES*NUM_SAMPLE_DATA];
- mTimeSamples = new long[BASE_AVAIL_SAMPLES];
+ private MotionEvent(int pointerCount, int sampleCount) {
+ mPointerIdentifiers = new int[pointerCount];
+ mDataSamples = new float[pointerCount * sampleCount * NUM_SAMPLE_DATA];
+ mTimeSamples = new long[sampleCount];
}
static private MotionEvent obtain() {
final MotionEvent ev;
synchronized (gRecyclerLock) {
if (gRecyclerTop == null) {
- return new MotionEvent();
+ return new MotionEvent(BASE_AVAIL_POINTERS, BASE_AVAIL_SAMPLES);
}
ev = gRecyclerTop;
gRecyclerTop = ev.mNext;
@@ -269,6 +269,45 @@
ev.mNext = null;
return ev;
}
+
+ @SuppressWarnings("unused") // used by native code
+ static private MotionEvent obtain(int pointerCount, int sampleCount) {
+ final MotionEvent ev;
+ synchronized (gRecyclerLock) {
+ if (gRecyclerTop == null) {
+ if (pointerCount < BASE_AVAIL_POINTERS) {
+ pointerCount = BASE_AVAIL_POINTERS;
+ }
+ if (sampleCount < BASE_AVAIL_SAMPLES) {
+ sampleCount = BASE_AVAIL_SAMPLES;
+ }
+ return new MotionEvent(pointerCount, sampleCount);
+ }
+ ev = gRecyclerTop;
+ gRecyclerTop = ev.mNext;
+ gRecyclerUsed--;
+ }
+ ev.mRecycledLocation = null;
+ ev.mRecycled = false;
+ ev.mNext = null;
+
+ if (ev.mPointerIdentifiers.length < pointerCount) {
+ ev.mPointerIdentifiers = new int[pointerCount];
+ }
+
+ final int timeSamplesLength = ev.mTimeSamples.length;
+ if (timeSamplesLength < sampleCount) {
+ ev.mTimeSamples = new long[sampleCount];
+ }
+
+ final int dataSamplesLength = ev.mDataSamples.length;
+ final int neededDataSamplesLength = pointerCount * sampleCount * NUM_SAMPLE_DATA;
+ if (dataSamplesLength < neededDataSamplesLength) {
+ ev.mDataSamples = new float[neededDataSamplesLength];
+ }
+
+ return ev;
+ }
/**
* Create a new MotionEvent, filling in all of the basic values that
@@ -1022,7 +1061,7 @@
}
/**
- * Returns a bitfield indicating which edges, if any, where touched by this
+ * Returns a bitfield indicating which edges, if any, were touched by this
* MotionEvent. For touch events, clients can use this to determine if the
* user's finger was touching the edge of the display.
*
diff --git a/core/java/android/view/SurfaceView.java b/core/java/android/view/SurfaceView.java
index 0f0cf60..8beceec 100644
--- a/core/java/android/view/SurfaceView.java
+++ b/core/java/android/view/SurfaceView.java
@@ -471,7 +471,7 @@
mWindow = new MyWindow(this);
mLayout.type = mWindowType;
mLayout.gravity = Gravity.LEFT|Gravity.TOP;
- mSession.add(mWindow, mLayout,
+ mSession.addWithoutInputChannel(mWindow, mLayout,
mVisible ? VISIBLE : GONE, mContentInsets);
}
diff --git a/core/java/android/view/ViewRoot.java b/core/java/android/view/ViewRoot.java
index aa124e6..a41c690d 100644
--- a/core/java/android/view/ViewRoot.java
+++ b/core/java/android/view/ViewRoot.java
@@ -153,6 +153,7 @@
CompatibilityInfo.Translator mTranslator;
final View.AttachInfo mAttachInfo;
+ InputChannel mInputChannel;
final Rect mTempRect; // used in the transaction to not thrash the heap.
final Rect mVisRect; // used to retrieve visible rect of focused view.
@@ -219,7 +220,7 @@
AudioManager mAudioManager;
private final int mDensity;
-
+
public static IWindowSession getWindowSession(Looper mainLooper) {
synchronized (mStaticInit) {
if (!mInitialized) {
@@ -434,9 +435,6 @@
}
}
- // fd [0] is the receiver, [1] is the sender
- private native int[] makeInputChannel();
-
/**
* We have one child
*/
@@ -488,25 +486,20 @@
mAdded = true;
int res; /* = WindowManagerImpl.ADD_OKAY; */
- // Set up the input event channel
- if (false) {
- int[] fds = makeInputChannel();
- if (DEBUG_INPUT) {
- Log.v(TAG, "makeInputChannel() returned " + fds);
- }
- }
-
// Schedule the first layout -before- adding to the window
// manager, to make sure we do the relayout before receiving
// any other events from the system.
requestLayout();
+ mInputChannel = new InputChannel();
try {
res = sWindowSession.add(mWindow, mWindowAttributes,
- getHostVisibility(), mAttachInfo.mContentInsets);
+ getHostVisibility(), mAttachInfo.mContentInsets,
+ mInputChannel);
} catch (RemoteException e) {
mAdded = false;
mView = null;
mAttachInfo.mRootView = null;
+ mInputChannel = null;
unscheduleTraversals();
throw new RuntimeException("Adding window failed", e);
} finally {
@@ -514,7 +507,7 @@
attrs.restore();
}
}
-
+
if (mTranslator != null) {
mTranslator.translateRectInScreenToAppWindow(mAttachInfo.mContentInsets);
}
@@ -560,6 +553,12 @@
throw new RuntimeException(
"Unable to add window -- unknown error code " + res);
}
+
+ if (WindowManagerPolicy.ENABLE_NATIVE_INPUT_DISPATCH) {
+ InputQueue.registerInputChannel(mInputChannel, mInputHandler,
+ Looper.myQueue());
+ }
+
view.assignParent(this);
mAddedTouchMode = (res&WindowManagerImpl.ADD_FLAG_IN_TOUCH_MODE) != 0;
mAppVisible = (res&WindowManagerImpl.ADD_FLAG_APP_VISIBLE) != 0;
@@ -1735,6 +1734,14 @@
}
mSurface.release();
+ if (WindowManagerPolicy.ENABLE_NATIVE_INPUT_DISPATCH) {
+ if (mInputChannel != null) {
+ InputQueue.unregisterInputChannel(mInputChannel);
+ mInputChannel.dispose();
+ mInputChannel = null;
+ }
+ }
+
try {
sWindowSession.remove(mWindow);
} catch (RemoteException e) {
@@ -1841,19 +1848,16 @@
boolean callWhenDone = msg.arg1 != 0;
if (event == null) {
- try {
- long timeBeforeGettingEvents;
- if (MEASURE_LATENCY) {
- timeBeforeGettingEvents = System.nanoTime();
- }
+ long timeBeforeGettingEvents;
+ if (MEASURE_LATENCY) {
+ timeBeforeGettingEvents = System.nanoTime();
+ }
- event = sWindowSession.getPendingPointerMove(mWindow);
+ event = getPendingPointerMotionEvent();
- if (MEASURE_LATENCY && event != null) {
- lt.sample("9 Client got events ", System.nanoTime() - event.getEventTimeNano());
- lt.sample("8 Client getting events ", timeBeforeGettingEvents - event.getEventTimeNano());
- }
- } catch (RemoteException e) {
+ if (MEASURE_LATENCY && event != null) {
+ lt.sample("9 Client got events ", System.nanoTime() - event.getEventTimeNano());
+ lt.sample("8 Client getting events ", timeBeforeGettingEvents - event.getEventTimeNano());
}
callWhenDone = false;
}
@@ -1928,14 +1932,9 @@
}
} finally {
if (callWhenDone) {
- try {
- sWindowSession.finishKey(mWindow);
- } catch (RemoteException e) {
- }
+ finishMotionEvent();
}
- if (event != null) {
- event.recycle();
- }
+ recycleMotionEvent(event);
if (LOCAL_LOGV || WATCH_POINTER) Log.i(TAG, "Done dispatching!");
// Let the exception fall through -- the looper will catch
// it and take care of the bad app for us.
@@ -2075,7 +2074,63 @@
} break;
}
}
+
+ private void finishKeyEvent(KeyEvent event) {
+ if (WindowManagerPolicy.ENABLE_NATIVE_INPUT_DISPATCH) {
+ if (mFinishedCallback != null) {
+ mFinishedCallback.run();
+ mFinishedCallback = null;
+ }
+ } else {
+ try {
+ sWindowSession.finishKey(mWindow);
+ } catch (RemoteException e) {
+ }
+ }
+ }
+
+ private void finishMotionEvent() {
+ if (WindowManagerPolicy.ENABLE_NATIVE_INPUT_DISPATCH) {
+ throw new IllegalStateException("Should not be reachable with native input dispatch.");
+ }
+
+ try {
+ sWindowSession.finishKey(mWindow);
+ } catch (RemoteException e) {
+ }
+ }
+ private void recycleMotionEvent(MotionEvent event) {
+ if (event != null) {
+ event.recycle();
+ }
+ }
+
+ private MotionEvent getPendingPointerMotionEvent() {
+ if (WindowManagerPolicy.ENABLE_NATIVE_INPUT_DISPATCH) {
+ throw new IllegalStateException("Should not be reachable with native input dispatch.");
+ }
+
+ try {
+ return sWindowSession.getPendingPointerMove(mWindow);
+ } catch (RemoteException e) {
+ return null;
+ }
+ }
+
+ private MotionEvent getPendingTrackballMotionEvent() {
+ if (WindowManagerPolicy.ENABLE_NATIVE_INPUT_DISPATCH) {
+ throw new IllegalStateException("Should not be reachable with native input dispatch.");
+ }
+
+ try {
+ return sWindowSession.getPendingTrackballMove(mWindow);
+ } catch (RemoteException e) {
+ return null;
+ }
+ }
+
+
/**
* Something in the current window tells us we need to change the touch mode. For
* example, we are not in touch mode, and the user touches the screen.
@@ -2200,10 +2255,7 @@
private void deliverTrackballEvent(MotionEvent event, boolean callWhenDone) {
if (event == null) {
- try {
- event = sWindowSession.getPendingTrackballMove(mWindow);
- } catch (RemoteException e) {
- }
+ event = getPendingTrackballMotionEvent();
callWhenDone = false;
}
@@ -2223,14 +2275,9 @@
} finally {
if (handled) {
if (callWhenDone) {
- try {
- sWindowSession.finishKey(mWindow);
- } catch (RemoteException e) {
- }
+ finishMotionEvent();
}
- if (event != null) {
- event.recycle();
- }
+ recycleMotionEvent(event);
// If we reach this, we delivered a trackball event to mView and
// mView consumed it. Because we will not translate the trackball
// event into a key event, touch mode will not exit, so we exit
@@ -2339,13 +2386,8 @@
}
} finally {
if (callWhenDone) {
- try {
- sWindowSession.finishKey(mWindow);
- } catch (RemoteException e) {
- }
- if (event != null) {
- event.recycle();
- }
+ finishMotionEvent();
+ recycleMotionEvent(event);
}
// Let the exception fall through -- the looper will catch
// it and take care of the bad app for us.
@@ -2503,10 +2545,7 @@
if (sendDone) {
if (LOCAL_LOGV) Log.v(
"ViewRoot", "Telling window manager key is finished");
- try {
- sWindowSession.finishKey(mWindow);
- } catch (RemoteException e) {
- }
+ finishKeyEvent(event);
}
return;
}
@@ -2539,10 +2578,7 @@
} else if (sendDone) {
if (LOCAL_LOGV) Log.v(
"ViewRoot", "Telling window manager key is finished");
- try {
- sWindowSession.finishKey(mWindow);
- } catch (RemoteException e) {
- }
+ finishKeyEvent(event);
} else {
Log.w("ViewRoot", "handleFinishedEvent(seq=" + seq
+ " handled=" + handled + " ev=" + event
@@ -2617,10 +2653,7 @@
if (sendDone) {
if (LOCAL_LOGV) Log.v(
"ViewRoot", "Telling window manager key is finished");
- try {
- sWindowSession.finishKey(mWindow);
- } catch (RemoteException e) {
- }
+ finishKeyEvent(event);
}
// Let the exception fall through -- the looper will catch
// it and take care of the bad app for us.
@@ -2798,6 +2831,53 @@
msg.obj = ri;
sendMessage(msg);
}
+
+ private Runnable mFinishedCallback;
+
+ private final InputHandler mInputHandler = new InputHandler() {
+ public void handleKey(KeyEvent event, Runnable finishedCallback) {
+ mFinishedCallback = finishedCallback;
+
+ if (event.getAction() == KeyEvent.ACTION_DOWN) {
+ //noinspection ConstantConditions
+ if (false && event.getKeyCode() == KeyEvent.KEYCODE_CAMERA) {
+ if (Config.LOGD) Log.d("keydisp",
+ "===================================================");
+ if (Config.LOGD) Log.d("keydisp", "Focused view Hierarchy is:");
+ debug();
+
+ if (Config.LOGD) Log.d("keydisp",
+ "===================================================");
+ }
+ }
+
+ Message msg = obtainMessage(DISPATCH_KEY);
+ msg.obj = event;
+
+ if (LOCAL_LOGV) Log.v(
+ "ViewRoot", "sending key " + event + " to " + mView);
+
+ sendMessageAtTime(msg, event.getEventTime());
+ }
+
+ public void handleTouch(MotionEvent event, Runnable finishedCallback) {
+ finishedCallback.run();
+
+ Message msg = obtainMessage(DISPATCH_POINTER);
+ msg.obj = event;
+ msg.arg1 = 0;
+ sendMessageAtTime(msg, event.getEventTime());
+ }
+
+ public void handleTrackball(MotionEvent event, Runnable finishedCallback) {
+ finishedCallback.run();
+
+ Message msg = obtainMessage(DISPATCH_TRACKBALL);
+ msg.obj = event;
+ msg.arg1 = 0;
+ sendMessageAtTime(msg, event.getEventTime());
+ }
+ };
public void dispatchKey(KeyEvent event) {
if (event.getAction() == KeyEvent.ACTION_DOWN) {
@@ -2968,7 +3048,7 @@
}
}
- static class EventCompletion extends Handler {
+ class EventCompletion extends Handler {
final IWindow mWindow;
final KeyEvent mKeyEvent;
final boolean mIsPointer;
@@ -2987,40 +3067,25 @@
@Override
public void handleMessage(Message msg) {
if (mKeyEvent != null) {
- try {
- sWindowSession.finishKey(mWindow);
- } catch (RemoteException e) {
- }
+ finishKeyEvent(mKeyEvent);
} else if (mIsPointer) {
boolean didFinish;
MotionEvent event = mMotionEvent;
if (event == null) {
- try {
- event = sWindowSession.getPendingPointerMove(mWindow);
- } catch (RemoteException e) {
- }
+ event = getPendingPointerMotionEvent();
didFinish = true;
} else {
didFinish = event.getAction() == MotionEvent.ACTION_OUTSIDE;
}
if (!didFinish) {
- try {
- sWindowSession.finishKey(mWindow);
- } catch (RemoteException e) {
- }
+ finishMotionEvent();
}
} else {
MotionEvent event = mMotionEvent;
if (event == null) {
- try {
- event = sWindowSession.getPendingTrackballMove(mWindow);
- } catch (RemoteException e) {
- }
+ event = getPendingTrackballMotionEvent();
} else {
- try {
- sWindowSession.finishKey(mWindow);
- } catch (RemoteException e) {
- }
+ finishMotionEvent();
}
}
}
@@ -3050,7 +3115,7 @@
viewRoot.dispatchKey(event);
} else {
Log.w("ViewRoot.W", "Key event " + event + " but no ViewRoot available!");
- new EventCompletion(mMainLooper, this, event, false, null);
+ viewRoot.new EventCompletion(mMainLooper, this, event, false, null);
}
}
@@ -3064,7 +3129,7 @@
}
viewRoot.dispatchPointer(event, eventTime, callWhenDone);
} else {
- new EventCompletion(mMainLooper, this, null, true, event);
+ viewRoot.new EventCompletion(mMainLooper, this, null, true, event);
}
}
@@ -3074,7 +3139,7 @@
if (viewRoot != null) {
viewRoot.dispatchTrackball(event, eventTime, callWhenDone);
} else {
- new EventCompletion(mMainLooper, this, null, false, event);
+ viewRoot.new EventCompletion(mMainLooper, this, null, false, event);
}
}
diff --git a/core/java/android/view/WindowManagerPolicy.java b/core/java/android/view/WindowManagerPolicy.java
index b39cb9d..431b786 100644
--- a/core/java/android/view/WindowManagerPolicy.java
+++ b/core/java/android/view/WindowManagerPolicy.java
@@ -78,6 +78,12 @@
public final static int FLAG_BRIGHT_HERE = 0x20000000;
public final static boolean WATCH_POINTER = false;
+
+ /**
+ * Temporary flag added during the transition to the new native input dispatcher.
+ * This will be removed when the old input dispatch code is deleted.
+ */
+ public final static boolean ENABLE_NATIVE_INPUT_DISPATCH = false;
// flags for interceptKeyTq
/**
@@ -708,6 +714,8 @@
*/
public boolean preprocessInputEventTq(RawInputEvent event);
+ public void notifyLidSwitchChanged(long whenNanos, boolean lidOpen);
+
/**
* Determine whether a given key code is used to cause an app switch
* to occur (most often the HOME key, also often ENDCALL). If you return
diff --git a/core/java/com/android/internal/view/BaseInputHandler.java b/core/java/com/android/internal/view/BaseInputHandler.java
new file mode 100644
index 0000000..6fe5063
--- /dev/null
+++ b/core/java/com/android/internal/view/BaseInputHandler.java
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.internal.view;
+
+import android.view.InputHandler;
+import android.view.KeyEvent;
+import android.view.MotionEvent;
+
+/**
+ * Base do-nothing implementation of an input handler.
+ * @hide
+ */
+public abstract class BaseInputHandler implements InputHandler {
+ public void handleKey(KeyEvent event, Runnable finishedCallback) {
+ finishedCallback.run();
+ }
+
+ public void handleTouch(MotionEvent event, Runnable finishedCallback) {
+ finishedCallback.run();
+ }
+
+ public void handleTrackball(MotionEvent event, Runnable finishedCallback) {
+ finishedCallback.run();
+ }
+}
diff --git a/core/jni/Android.mk b/core/jni/Android.mk
index d4545d7..d854e87 100644
--- a/core/jni/Android.mk
+++ b/core/jni/Android.mk
@@ -45,6 +45,11 @@
android_view_Display.cpp \
android_view_Surface.cpp \
android_view_ViewRoot.cpp \
+ android_view_InputChannel.cpp \
+ android_view_InputQueue.cpp \
+ android_view_InputTarget.cpp \
+ android_view_KeyEvent.cpp \
+ android_view_MotionEvent.cpp \
android_text_AndroidCharacter.cpp \
android_text_AndroidBidi.cpp \
android_text_KeyCharacterMap.cpp \
diff --git a/core/jni/AndroidRuntime.cpp b/core/jni/AndroidRuntime.cpp
index f66ed83..466642a 100644
--- a/core/jni/AndroidRuntime.cpp
+++ b/core/jni/AndroidRuntime.cpp
@@ -162,6 +162,11 @@
extern int register_android_backup_FileBackupHelperBase(JNIEnv *env);
extern int register_android_backup_BackupHelperDispatcher(JNIEnv *env);
extern int register_android_app_NativeActivity(JNIEnv *env);
+extern int register_android_view_InputChannel(JNIEnv* env);
+extern int register_android_view_InputQueue(JNIEnv* env);
+extern int register_android_view_InputTarget(JNIEnv* env);
+extern int register_android_view_KeyEvent(JNIEnv* env);
+extern int register_android_view_MotionEvent(JNIEnv* env);
static AndroidRuntime* gCurRuntime = NULL;
@@ -1288,6 +1293,11 @@
REG_JNI(register_android_backup_BackupHelperDispatcher),
REG_JNI(register_android_app_NativeActivity),
+ REG_JNI(register_android_view_InputChannel),
+ REG_JNI(register_android_view_InputQueue),
+ REG_JNI(register_android_view_InputTarget),
+ REG_JNI(register_android_view_KeyEvent),
+ REG_JNI(register_android_view_MotionEvent),
};
/*
diff --git a/core/jni/android_os_MessageQueue.cpp b/core/jni/android_os_MessageQueue.cpp
index 8984057..030d6c7 100644
--- a/core/jni/android_os_MessageQueue.cpp
+++ b/core/jni/android_os_MessageQueue.cpp
@@ -14,325 +14,151 @@
* limitations under the License.
*/
-#define LOG_TAG "MQNative"
+#define LOG_TAG "MessageQueue-JNI"
#include "JNIHelp.h"
-#include <sys/socket.h>
-#include <sys/select.h>
-#include <sys/time.h>
-#include <fcntl.h>
-
-#include <android_runtime/AndroidRuntime.h>
-#include <utils/SystemClock.h>
-#include <utils/Vector.h>
+#include <utils/PollLoop.h>
#include <utils/Log.h>
-
-using namespace android;
-
-// ----------------------------------------------------------------------------
-
-static struct {
- jclass mClass;
-
- jfieldID mObject; // native object attached to the DVM MessageQueue
-} gMessageQueueOffsets;
-
-static struct {
- jclass mClass;
- jmethodID mConstructor;
-} gKeyEventOffsets;
-
-// TODO: also MotionEvent offsets etc. a la gKeyEventOffsets
-
-static struct {
- jclass mClass;
- jmethodID mObtain; // obtain(Handler h, int what, Object obj)
-} gMessageOffsets;
-
-// ----------------------------------------------------------------------------
-
-static void doThrow(JNIEnv* env, const char* exc, const char* msg = NULL)
-{
- if (jniThrowException(env, exc, msg) != 0)
- assert(false);
-}
-
-// ----------------------------------------------------------------------------
-
-class MessageQueueNative {
-public:
- MessageQueueNative(int readSocket, int writeSocket);
- ~MessageQueueNative();
-
- // select on all FDs until the designated time; forever if wakeupTime is < 0
- int waitForSignal(jobject mqueue, jlong wakeupTime);
-
- // signal the queue-ready pipe
- void signalQueuePipe();
-
- // Specify a new input pipe, passing in responsibility for the socket fd and
- // ashmem region
- int registerInputPipe(JNIEnv* env, int socketFd, int memRegionFd, jobject handler);
-
- // Forget about this input pipe, closing the socket and ashmem region as well
- int unregisterInputPipe(JNIEnv* env, int socketFd);
-
- size_t numRegisteredPipes() const { return mInputPipes.size(); }
-
-private:
- struct InputPipe {
- int fd;
- int region;
- jobject handler;
-
- InputPipe() {}
- InputPipe(int _fd, int _r, jobject _h) : fd(_fd), region(_r), handler(_h) {}
- };
-
- // consume an event from a socket, put it on the DVM MessageQueue indicated,
- // and notify the other end of the pipe that we've consumed it.
- void queueEventFromPipe(const InputPipe& pipe, jobject mqueue);
-
- int mQueueReadFd, mQueueWriteFd;
- Vector<InputPipe> mInputPipes;
-};
-
-MessageQueueNative::MessageQueueNative(int readSocket, int writeSocket)
- : mQueueReadFd(readSocket), mQueueWriteFd(writeSocket) {
-}
-
-MessageQueueNative::~MessageQueueNative() {
-}
-
-int MessageQueueNative::waitForSignal(jobject mqueue, jlong timeoutMillis) {
- struct timeval tv, *timeout;
- fd_set fdset;
-
- if (timeoutMillis < 0) {
- timeout = NULL;
- } else {
- if (timeoutMillis == 0) {
- tv.tv_sec = 0;
- tv.tv_usec = 0;
- } else {
- tv.tv_sec = (timeoutMillis / 1000);
- tv.tv_usec = (timeoutMillis - (1000 * tv.tv_sec)) * 1000;
- }
- timeout = &tv;
- }
-
- // always rebuild the fd set from scratch
- FD_ZERO(&fdset);
-
- // the queue signalling pipe
- FD_SET(mQueueReadFd, &fdset);
- int maxFd = mQueueReadFd;
-
- // and the input sockets themselves
- for (size_t i = 0; i < mInputPipes.size(); i++) {
- FD_SET(mInputPipes[i].fd, &fdset);
- if (maxFd < mInputPipes[i].fd) {
- maxFd = mInputPipes[i].fd;
- }
- }
-
- // now wait
- int res = select(maxFd + 1, &fdset, NULL, NULL, timeout);
-
- // Error? Just return it and bail
- if (res < 0) return res;
-
- // What happened -- timeout or actual data arrived?
- if (res == 0) {
- // select() returned zero, which means we timed out, which means that it's time
- // to deliver the head element that was already on the queue. Just fall through
- // without doing anything else.
- } else {
- // Data (or a queue signal) arrived!
- //
- // If it's data, pull the data off the pipe, build a new Message with it, put it on
- // the DVM-side MessageQueue (pointed to by the 'mqueue' parameter), then proceed
- // into the queue-signal case.
- //
- // If a queue signal arrived, just consume any data pending in that pipe and
- // fall out.
- bool queue_signalled = (FD_ISSET(mQueueReadFd, &fdset) != 0);
-
- for (size_t i = 0; i < mInputPipes.size(); i++) {
- if (FD_ISSET(mInputPipes[i].fd, &fdset)) {
- queueEventFromPipe(mInputPipes[i], mqueue);
- queue_signalled = true; // we know a priori that queueing the event does this
- }
- }
-
- // Okay, stuff went on the queue. Consume the contents of the signal pipe
- // now that we're awake and about to start dispatching messages again.
- if (queue_signalled) {
- uint8_t buf[16];
- ssize_t nRead;
- do {
- nRead = read(mQueueReadFd, buf, sizeof(buf));
- } while (nRead > 0); // in nonblocking mode we'll get -1 when it's drained
- }
- }
-
- return 0;
-}
-
-// signals to the queue pipe are one undefined byte. it's just a "data has arrived" token
-// and the pipe is drained on receipt of at least one signal
-void MessageQueueNative::signalQueuePipe() {
- int dummy[1];
- write(mQueueWriteFd, dummy, 1);
-}
-
-void MessageQueueNative::queueEventFromPipe(const InputPipe& inPipe, jobject mqueue) {
- // !!! TODO: read the event data from the InputPipe's ashmem region, convert it to a DVM
- // event object of the proper type [MotionEvent or KeyEvent], create a Message holding
- // it as appropriate, point the Message to the Handler associated with this InputPipe,
- // and call up to the DVM MessageQueue implementation to enqueue it for delivery.
-}
-
-// the number of registered pipes on success; < 0 on error
-int MessageQueueNative::registerInputPipe(JNIEnv* env,
- int socketFd, int memRegionFd, jobject handler) {
- // make sure this fd is not already known to us
- for (size_t i = 0; i < mInputPipes.size(); i++) {
- if (mInputPipes[i].fd == socketFd) {
- LOGE("Attempt to re-register input fd %d", socketFd);
- return -1;
- }
- }
-
- mInputPipes.push( InputPipe(socketFd, memRegionFd, env->NewGlobalRef(handler)) );
- return mInputPipes.size();
-}
-
-// Remove an input pipe from our bookkeeping. Also closes the socket and ashmem
-// region file descriptor!
-//
-// returns the number of remaining input pipes on success; < 0 on error
-int MessageQueueNative::unregisterInputPipe(JNIEnv* env, int socketFd) {
- for (size_t i = 0; i < mInputPipes.size(); i++) {
- if (mInputPipes[i].fd == socketFd) {
- close(mInputPipes[i].fd);
- close(mInputPipes[i].region);
- env->DeleteGlobalRef(mInputPipes[i].handler);
- mInputPipes.removeAt(i);
- return mInputPipes.size();
- }
- }
- LOGW("Tried to unregister input pipe %d but not found!", socketFd);
- return -1;
-}
-
-// ----------------------------------------------------------------------------
+#include "android_os_MessageQueue.h"
namespace android {
-
-static void android_os_MessageQueue_init(JNIEnv* env, jobject obj) {
- // Create the pipe
- int fds[2];
- int err = socketpair(AF_LOCAL, SOCK_STREAM, 0, fds);
- if (err != 0) {
- doThrow(env, "java/lang/RuntimeException", "Unable to create socket pair");
- }
- MessageQueueNative *mqn = new MessageQueueNative(fds[0], fds[1]);
- if (mqn == NULL) {
- close(fds[0]);
- close(fds[1]);
- doThrow(env, "java/lang/RuntimeException", "Unable to allocate native queue");
- }
+// ----------------------------------------------------------------------------
- int flags = fcntl(fds[0], F_GETFL);
- fcntl(fds[0], F_SETFL, flags | O_NONBLOCK);
- flags = fcntl(fds[1], F_GETFL);
- fcntl(fds[1], F_SETFL, flags | O_NONBLOCK);
+static struct {
+ jclass clazz;
- env->SetIntField(obj, gMessageQueueOffsets.mObject, (jint)mqn);
+ jfieldID mPtr; // native object attached to the DVM MessageQueue
+} gMessageQueueClassInfo;
+
+// ----------------------------------------------------------------------------
+
+class NativeMessageQueue {
+public:
+ NativeMessageQueue();
+ ~NativeMessageQueue();
+
+ inline sp<PollLoop> getPollLoop() { return mPollLoop; }
+
+ bool pollOnce(int timeoutMillis);
+ void wake();
+
+private:
+ sp<PollLoop> mPollLoop;
+};
+
+// ----------------------------------------------------------------------------
+
+NativeMessageQueue::NativeMessageQueue() {
+ mPollLoop = new PollLoop();
}
-static void android_os_MessageQueue_signal(JNIEnv* env, jobject obj) {
- MessageQueueNative *mqn = (MessageQueueNative*) env->GetIntField(obj, gMessageQueueOffsets.mObject);
- if (mqn != NULL) {
- mqn->signalQueuePipe();
- } else {
- doThrow(env, "java/lang/IllegalStateException", "Queue not initialized");
- }
+NativeMessageQueue::~NativeMessageQueue() {
}
-static int android_os_MessageQueue_waitForNext(JNIEnv* env, jobject obj, jlong when) {
- MessageQueueNative *mqn = (MessageQueueNative*) env->GetIntField(obj, gMessageQueueOffsets.mObject);
- if (mqn != NULL) {
- int res = mqn->waitForSignal(obj, when);
- return res; // the DVM event, if any, has been constructed and queued now
- }
-
- return -1;
+bool NativeMessageQueue::pollOnce(int timeoutMillis) {
+ return mPollLoop->pollOnce(timeoutMillis);
}
-static void android_os_MessageQueue_registerInputStream(JNIEnv* env, jobject obj,
- jint socketFd, jint regionFd, jobject handler) {
- MessageQueueNative *mqn = (MessageQueueNative*) env->GetIntField(obj, gMessageQueueOffsets.mObject);
- if (mqn != NULL) {
- mqn->registerInputPipe(env, socketFd, regionFd, handler);
- } else {
- doThrow(env, "java/lang/IllegalStateException", "Queue not initialized");
- }
-}
-
-static void android_os_MessageQueue_unregisterInputStream(JNIEnv* env, jobject obj,
- jint socketFd) {
- MessageQueueNative *mqn = (MessageQueueNative*) env->GetIntField(obj, gMessageQueueOffsets.mObject);
- if (mqn != NULL) {
- mqn->unregisterInputPipe(env, socketFd);
- } else {
- doThrow(env, "java/lang/IllegalStateException", "Queue not initialized");
- }
+void NativeMessageQueue::wake() {
+ mPollLoop->wake();
}
// ----------------------------------------------------------------------------
-const char* const kKeyEventPathName = "android/view/KeyEvent";
-const char* const kMessagePathName = "android/os/Message";
-const char* const kMessageQueuePathName = "android/os/MessageQueue";
+static NativeMessageQueue* android_os_MessageQueue_getNativeMessageQueue(JNIEnv* env,
+ jobject messageQueueObj) {
+ jint intPtr = env->GetIntField(messageQueueObj, gMessageQueueClassInfo.mPtr);
+ return reinterpret_cast<NativeMessageQueue*>(intPtr);
+}
+
+static void android_os_MessageQueue_setNativeMessageQueue(JNIEnv* env, jobject messageQueueObj,
+ NativeMessageQueue* nativeMessageQueue) {
+ env->SetIntField(messageQueueObj, gMessageQueueClassInfo.mPtr,
+ reinterpret_cast<jint>(nativeMessageQueue));
+}
+
+sp<PollLoop> android_os_MessageQueue_getPollLoop(JNIEnv* env, jobject messageQueueObj) {
+ NativeMessageQueue* nativeMessageQueue =
+ android_os_MessageQueue_getNativeMessageQueue(env, messageQueueObj);
+ return nativeMessageQueue != NULL ? nativeMessageQueue->getPollLoop() : NULL;
+}
+
+static void android_os_MessageQueue_nativeInit(JNIEnv* env, jobject obj) {
+ NativeMessageQueue* nativeMessageQueue = new NativeMessageQueue();
+ if (! nativeMessageQueue) {
+ jniThrowRuntimeException(env, "Unable to allocate native queue");
+ return;
+ }
+
+ android_os_MessageQueue_setNativeMessageQueue(env, obj, nativeMessageQueue);
+}
+
+static void android_os_MessageQueue_nativeDestroy(JNIEnv* env, jobject obj) {
+ NativeMessageQueue* nativeMessageQueue =
+ android_os_MessageQueue_getNativeMessageQueue(env, obj);
+ if (nativeMessageQueue) {
+ android_os_MessageQueue_setNativeMessageQueue(env, obj, NULL);
+ delete nativeMessageQueue;
+ }
+}
+
+static void throwQueueNotInitialized(JNIEnv* env) {
+ jniThrowException(env, "java/lang/IllegalStateException", "Message queue not initialized");
+}
+
+static jboolean android_os_MessageQueue_nativePollOnce(JNIEnv* env, jobject obj,
+ jint timeoutMillis) {
+ NativeMessageQueue* nativeMessageQueue =
+ android_os_MessageQueue_getNativeMessageQueue(env, obj);
+ if (! nativeMessageQueue) {
+ throwQueueNotInitialized(env);
+ return false;
+ }
+ return nativeMessageQueue->pollOnce(timeoutMillis);
+}
+
+static void android_os_MessageQueue_nativeWake(JNIEnv* env, jobject obj) {
+ NativeMessageQueue* nativeMessageQueue =
+ android_os_MessageQueue_getNativeMessageQueue(env, obj);
+ if (! nativeMessageQueue) {
+ throwQueueNotInitialized(env);
+ return;
+ }
+ return nativeMessageQueue->wake();
+}
+
+// ----------------------------------------------------------------------------
static JNINativeMethod gMessageQueueMethods[] = {
/* name, signature, funcPtr */
- { "nativeInit", "()V", (void*)android_os_MessageQueue_init },
- { "nativeSignal", "()V", (void*)android_os_MessageQueue_signal },
- { "nativeWaitForNext", "(J)I", (void*)android_os_MessageQueue_waitForNext },
- { "nativeRegisterInputStream", "(IILandroid/os/Handler;)V", (void*)android_os_MessageQueue_registerInputStream },
- { "nativeUnregisterInputStream", "(I)V", (void*)android_os_MessageQueue_unregisterInputStream },
+ { "nativeInit", "()V", (void*)android_os_MessageQueue_nativeInit },
+ { "nativeDestroy", "()V", (void*)android_os_MessageQueue_nativeDestroy },
+ { "nativePollOnce", "(I)Z", (void*)android_os_MessageQueue_nativePollOnce },
+ { "nativeWake", "()V", (void*)android_os_MessageQueue_nativeWake }
};
+#define FIND_CLASS(var, className) \
+ var = env->FindClass(className); \
+ LOG_FATAL_IF(! var, "Unable to find class " className); \
+ var = jclass(env->NewGlobalRef(var));
+
+#define GET_FIELD_ID(var, clazz, fieldName, fieldDescriptor) \
+ var = env->GetFieldID(clazz, fieldName, fieldDescriptor); \
+ LOG_FATAL_IF(! var, "Unable to find field " fieldName);
+
int register_android_os_MessageQueue(JNIEnv* env) {
- jclass clazz;
-
- clazz = env->FindClass(kMessageQueuePathName);
- LOG_FATAL_IF(clazz == NULL, "Unable to find class android.os.MessageQueue");
- gMessageQueueOffsets.mClass = (jclass) env->NewGlobalRef(clazz);
- gMessageQueueOffsets.mObject = env->GetFieldID(clazz, "mObject", "I");
- assert(gMessageQueueOffsets.mObject);
-
- clazz = env->FindClass(kMessagePathName);
- LOG_FATAL_IF(clazz == NULL, "Unable to find class android.os.Message");
- gMessageOffsets.mClass = (jclass) env->NewGlobalRef(clazz);
- gMessageOffsets.mObtain = env->GetStaticMethodID(clazz, "obtain",
- "(Landroid/os/Handler;ILjava/lang/Object;)Landroid/os/Message;");
- assert(gMessageOffsets.mObtain);
-
- clazz = env->FindClass(kKeyEventPathName);
- LOG_FATAL_IF(clazz == NULL, "Unable to find class android.view.KeyEvent");
- gKeyEventOffsets.mClass = (jclass) env->NewGlobalRef(clazz);
- gKeyEventOffsets.mConstructor = env->GetMethodID(clazz, "<init>", "(JJIIIIIII)V");
- assert(gKeyEventOffsets.mConstructor);
-
- return AndroidRuntime::registerNativeMethods(env, kMessageQueuePathName,
+ int res = jniRegisterNativeMethods(env, "android/os/MessageQueue",
gMessageQueueMethods, NELEM(gMessageQueueMethods));
+ LOG_FATAL_IF(res < 0, "Unable to register native methods.");
+
+ FIND_CLASS(gMessageQueueClassInfo.clazz, "android/os/MessageQueue");
+
+ GET_FIELD_ID(gMessageQueueClassInfo.mPtr, gMessageQueueClassInfo.clazz,
+ "mPtr", "I");
+
+ return 0;
}
-
-}; // end of namespace android
+} // namespace android
diff --git a/core/jni/android_os_MessageQueue.h b/core/jni/android_os_MessageQueue.h
new file mode 100644
index 0000000..5c742e2
--- /dev/null
+++ b/core/jni/android_os_MessageQueue.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _ANDROID_OS_MESSAGEQUEUE_H
+#define _ANDROID_OS_MESSAGEQUEUE_H
+
+#include "jni.h"
+
+namespace android {
+
+class PollLoop;
+
+extern sp<PollLoop> android_os_MessageQueue_getPollLoop(JNIEnv* env, jobject messageQueueObj);
+
+} // namespace android
+
+#endif // _ANDROID_OS_MESSAGEQUEUE_H
diff --git a/core/jni/android_view_InputChannel.cpp b/core/jni/android_view_InputChannel.cpp
new file mode 100644
index 0000000..47bb073
--- /dev/null
+++ b/core/jni/android_view_InputChannel.cpp
@@ -0,0 +1,288 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "InputChannel-JNI"
+
+#include "JNIHelp.h"
+
+#include <android_runtime/AndroidRuntime.h>
+#include <binder/Parcel.h>
+#include <utils/Log.h>
+#include <ui/InputTransport.h>
+#include "android_view_InputChannel.h"
+#include "android_util_Binder.h"
+
+namespace android {
+
+// ----------------------------------------------------------------------------
+
+static struct {
+ jclass clazz;
+
+ jfieldID mPtr; // native object attached to the DVM InputChannel
+ jmethodID ctor;
+} gInputChannelClassInfo;
+
+// ----------------------------------------------------------------------------
+
+class NativeInputChannel {
+public:
+ NativeInputChannel(const sp<InputChannel>& inputChannel);
+ ~NativeInputChannel();
+
+ inline sp<InputChannel> getInputChannel() { return mInputChannel; }
+
+ void setDisposeCallback(InputChannelObjDisposeCallback callback, void* data);
+ void invokeAndRemoveDisposeCallback(JNIEnv* env, jobject obj);
+
+private:
+ sp<InputChannel> mInputChannel;
+ InputChannelObjDisposeCallback mDisposeCallback;
+ void* mDisposeData;
+};
+
+// ----------------------------------------------------------------------------
+
+NativeInputChannel::NativeInputChannel(const sp<InputChannel>& inputChannel) :
+ mInputChannel(inputChannel), mDisposeCallback(NULL) {
+}
+
+NativeInputChannel::~NativeInputChannel() {
+}
+
+void NativeInputChannel::setDisposeCallback(InputChannelObjDisposeCallback callback, void* data) {
+ mDisposeCallback = callback;
+ mDisposeData = data;
+}
+
+void NativeInputChannel::invokeAndRemoveDisposeCallback(JNIEnv* env, jobject obj) {
+ if (mDisposeCallback) {
+ mDisposeCallback(env, obj, mInputChannel, mDisposeData);
+ mDisposeCallback = NULL;
+ mDisposeData = NULL;
+ }
+}
+
+// ----------------------------------------------------------------------------
+
+static NativeInputChannel* android_view_InputChannel_getNativeInputChannel(JNIEnv* env,
+ jobject inputChannelObj) {
+ jint intPtr = env->GetIntField(inputChannelObj, gInputChannelClassInfo.mPtr);
+ return reinterpret_cast<NativeInputChannel*>(intPtr);
+}
+
+static void android_view_InputChannel_setNativeInputChannel(JNIEnv* env, jobject inputChannelObj,
+ NativeInputChannel* nativeInputChannel) {
+ env->SetIntField(inputChannelObj, gInputChannelClassInfo.mPtr,
+ reinterpret_cast<jint>(nativeInputChannel));
+}
+
+sp<InputChannel> android_view_InputChannel_getInputChannel(JNIEnv* env, jobject inputChannelObj) {
+ NativeInputChannel* nativeInputChannel =
+ android_view_InputChannel_getNativeInputChannel(env, inputChannelObj);
+ return nativeInputChannel != NULL ? nativeInputChannel->getInputChannel() : NULL;
+}
+
+void android_view_InputChannel_setDisposeCallback(JNIEnv* env, jobject inputChannelObj,
+ InputChannelObjDisposeCallback callback, void* data) {
+ NativeInputChannel* nativeInputChannel =
+ android_view_InputChannel_getNativeInputChannel(env, inputChannelObj);
+ if (nativeInputChannel == NULL) {
+ LOGW("Cannot set dispose callback because input channel object has not been initialized.");
+ } else {
+ nativeInputChannel->setDisposeCallback(callback, data);
+ }
+}
+
+static jobject android_view_InputChannel_createInputChannel(JNIEnv* env,
+ NativeInputChannel* nativeInputChannel) {
+ jobject inputChannelObj = env->NewObject(gInputChannelClassInfo.clazz,
+ gInputChannelClassInfo.ctor);
+ android_view_InputChannel_setNativeInputChannel(env, inputChannelObj, nativeInputChannel);
+ return inputChannelObj;
+}
+
+static jobjectArray android_view_InputChannel_nativeOpenInputChannelPair(JNIEnv* env,
+ jclass clazz, jstring nameObj) {
+ const char* nameChars = env->GetStringUTFChars(nameObj, NULL);
+ String8 name(nameChars);
+ env->ReleaseStringUTFChars(nameObj, nameChars);
+
+ InputChannel* serverChannel;
+ InputChannel* clientChannel;
+ status_t result = InputChannel::openInputChannelPair(name, & serverChannel, & clientChannel);
+
+ if (result) {
+ LOGE("Could not open input channel pair. status=%d", result);
+ jniThrowRuntimeException(env, "Could not open input channel pair.");
+ return NULL;
+ }
+
+ // TODO more robust error checking
+ jobject serverChannelObj = android_view_InputChannel_createInputChannel(env,
+ new NativeInputChannel(serverChannel));
+ jobject clientChannelObj = android_view_InputChannel_createInputChannel(env,
+ new NativeInputChannel(clientChannel));
+
+ jobjectArray channelPair = env->NewObjectArray(2, gInputChannelClassInfo.clazz, NULL);
+ env->SetObjectArrayElement(channelPair, 0, serverChannelObj);
+ env->SetObjectArrayElement(channelPair, 1, clientChannelObj);
+ return channelPair;
+}
+
+static void android_view_InputChannel_nativeDispose(JNIEnv* env, jobject obj, jboolean finalized) {
+ NativeInputChannel* nativeInputChannel =
+ android_view_InputChannel_getNativeInputChannel(env, obj);
+ if (nativeInputChannel) {
+ if (finalized) {
+ LOGW("Input channel object '%s' was finalized without being disposed!",
+ nativeInputChannel->getInputChannel()->getName().string());
+ }
+
+ nativeInputChannel->invokeAndRemoveDisposeCallback(env, obj);
+
+ android_view_InputChannel_setNativeInputChannel(env, obj, NULL);
+ delete nativeInputChannel;
+ }
+}
+
+static void android_view_InputChannel_nativeTransferTo(JNIEnv* env, jobject obj,
+ jobject otherObj) {
+ if (android_view_InputChannel_getInputChannel(env, otherObj) != NULL) {
+ jniThrowException(env, "java/lang/IllegalStateException",
+ "Other object already has a native input channel.");
+ return;
+ }
+
+ NativeInputChannel* nativeInputChannel =
+ android_view_InputChannel_getNativeInputChannel(env, obj);
+ android_view_InputChannel_setNativeInputChannel(env, otherObj, nativeInputChannel);
+ android_view_InputChannel_setNativeInputChannel(env, obj, NULL);
+}
+
+static void android_view_InputChannel_nativeReadFromParcel(JNIEnv* env, jobject obj,
+ jobject parcelObj) {
+ if (android_view_InputChannel_getInputChannel(env, obj) != NULL) {
+ jniThrowException(env, "java/lang/IllegalStateException",
+ "This object already has a native input channel.");
+ return;
+ }
+
+ Parcel* parcel = parcelForJavaObject(env, parcelObj);
+ if (parcel) {
+ bool isInitialized = parcel->readInt32();
+ if (isInitialized) {
+ String8 name = parcel->readString8();
+ int32_t ashmemFd = dup(parcel->readFileDescriptor());
+ int32_t receivePipeFd = dup(parcel->readFileDescriptor());
+ int32_t sendPipeFd = dup(parcel->readFileDescriptor());
+ if (ashmemFd < 0 || receivePipeFd < 0 || sendPipeFd < 0) {
+ if (ashmemFd >= 0) ::close(ashmemFd);
+ if (receivePipeFd >= 0) ::close(receivePipeFd);
+ if (sendPipeFd >= 0) ::close(sendPipeFd);
+ jniThrowRuntimeException(env,
+ "Could not read input channel file descriptors from parcel.");
+ return;
+ }
+
+ InputChannel* inputChannel = new InputChannel(name, ashmemFd,
+ receivePipeFd, sendPipeFd);
+ NativeInputChannel* nativeInputChannel = new NativeInputChannel(inputChannel);
+
+ android_view_InputChannel_setNativeInputChannel(env, obj, nativeInputChannel);
+ }
+ }
+}
+
+static void android_view_InputChannel_nativeWriteToParcel(JNIEnv* env, jobject obj,
+ jobject parcelObj) {
+ Parcel* parcel = parcelForJavaObject(env, parcelObj);
+ if (parcel) {
+ NativeInputChannel* nativeInputChannel =
+ android_view_InputChannel_getNativeInputChannel(env, obj);
+ if (nativeInputChannel) {
+ sp<InputChannel> inputChannel = nativeInputChannel->getInputChannel();
+
+ parcel->writeInt32(1);
+ parcel->writeString8(inputChannel->getName());
+ parcel->writeDupFileDescriptor(inputChannel->getAshmemFd());
+ parcel->writeDupFileDescriptor(inputChannel->getReceivePipeFd());
+ parcel->writeDupFileDescriptor(inputChannel->getSendPipeFd());
+ } else {
+ parcel->writeInt32(0);
+ }
+ }
+}
+
+static jstring android_view_InputChannel_nativeGetName(JNIEnv* env, jobject obj) {
+ NativeInputChannel* nativeInputChannel =
+ android_view_InputChannel_getNativeInputChannel(env, obj);
+ if (! nativeInputChannel) {
+ return NULL;
+ }
+
+ jstring name = env->NewStringUTF(nativeInputChannel->getInputChannel()->getName().string());
+ return name;
+}
+
+// ----------------------------------------------------------------------------
+
+static JNINativeMethod gInputChannelMethods[] = {
+ /* name, signature, funcPtr */
+ { "nativeOpenInputChannelPair", "(Ljava/lang/String;)[Landroid/view/InputChannel;",
+ (void*)android_view_InputChannel_nativeOpenInputChannelPair },
+ { "nativeDispose", "(Z)V",
+ (void*)android_view_InputChannel_nativeDispose },
+ { "nativeTransferTo", "(Landroid/view/InputChannel;)V",
+ (void*)android_view_InputChannel_nativeTransferTo },
+ { "nativeReadFromParcel", "(Landroid/os/Parcel;)V",
+ (void*)android_view_InputChannel_nativeReadFromParcel },
+ { "nativeWriteToParcel", "(Landroid/os/Parcel;)V",
+ (void*)android_view_InputChannel_nativeWriteToParcel },
+ { "nativeGetName", "()Ljava/lang/String;",
+ (void*)android_view_InputChannel_nativeGetName },
+};
+
+#define FIND_CLASS(var, className) \
+ var = env->FindClass(className); \
+ LOG_FATAL_IF(! var, "Unable to find class " className); \
+ var = jclass(env->NewGlobalRef(var));
+
+#define GET_METHOD_ID(var, clazz, methodName, methodDescriptor) \
+ var = env->GetMethodID(clazz, methodName, methodDescriptor); \
+ LOG_FATAL_IF(! var, "Unable to find method " methodName);
+
+#define GET_FIELD_ID(var, clazz, fieldName, fieldDescriptor) \
+ var = env->GetFieldID(clazz, fieldName, fieldDescriptor); \
+ LOG_FATAL_IF(! var, "Unable to find field " fieldName);
+
+int register_android_view_InputChannel(JNIEnv* env) {
+ int res = jniRegisterNativeMethods(env, "android/view/InputChannel",
+ gInputChannelMethods, NELEM(gInputChannelMethods));
+ LOG_FATAL_IF(res < 0, "Unable to register native methods.");
+
+ FIND_CLASS(gInputChannelClassInfo.clazz, "android/view/InputChannel");
+
+ GET_FIELD_ID(gInputChannelClassInfo.mPtr, gInputChannelClassInfo.clazz,
+ "mPtr", "I");
+
+ GET_METHOD_ID(gInputChannelClassInfo.ctor, gInputChannelClassInfo.clazz,
+ "<init>", "()V");
+
+ return 0;
+}
+
+} // namespace android
diff --git a/core/jni/android_view_InputChannel.h b/core/jni/android_view_InputChannel.h
new file mode 100644
index 0000000..ac1defb
--- /dev/null
+++ b/core/jni/android_view_InputChannel.h
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _ANDROID_VIEW_INPUTCHANNEL_H
+#define _ANDROID_VIEW_INPUTCHANNEL_H
+
+#include "jni.h"
+
+namespace android {
+
+class InputChannel;
+
+typedef void (*InputChannelObjDisposeCallback)(JNIEnv* env, jobject inputChannelObj,
+ const sp<InputChannel>& inputChannel, void* data);
+
+extern sp<InputChannel> android_view_InputChannel_getInputChannel(JNIEnv* env,
+ jobject inputChannelObj);
+
+/* Sets a callback that is invoked when the InputChannel DVM object is disposed (or finalized).
+ * This is used to automatically dispose of other native objects in the input dispatcher
+ * and input queue to prevent memory leaks. */
+extern void android_view_InputChannel_setDisposeCallback(JNIEnv* env, jobject inputChannelObj,
+ InputChannelObjDisposeCallback callback, void* data = NULL);
+
+} // namespace android
+
+#endif // _ANDROID_OS_INPUTCHANNEL_H
diff --git a/core/jni/android_view_InputQueue.cpp b/core/jni/android_view_InputQueue.cpp
new file mode 100644
index 0000000..9cbde25
--- /dev/null
+++ b/core/jni/android_view_InputQueue.cpp
@@ -0,0 +1,471 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "InputQueue-JNI"
+
+//#define LOG_NDEBUG 0
+
+// Log debug messages about the dispatch cycle.
+#define DEBUG_DISPATCH_CYCLE 1
+
+
+#include "JNIHelp.h"
+
+#include <android_runtime/AndroidRuntime.h>
+#include <utils/Log.h>
+#include <utils/PollLoop.h>
+#include <utils/KeyedVector.h>
+#include <utils/threads.h>
+#include <ui/InputTransport.h>
+#include "android_os_MessageQueue.h"
+#include "android_view_InputChannel.h"
+#include "android_view_KeyEvent.h"
+#include "android_view_MotionEvent.h"
+
+namespace android {
+
+// ----------------------------------------------------------------------------
+
+static struct {
+ jclass clazz;
+
+ jmethodID dispatchKeyEvent;
+ jmethodID dispatchMotionEvent;
+} gInputQueueClassInfo;
+
+// ----------------------------------------------------------------------------
+
+class NativeInputQueue {
+public:
+ NativeInputQueue();
+ virtual ~NativeInputQueue();
+
+ status_t registerInputChannel(JNIEnv* env, jobject inputChannelObj,
+ jobject inputHandlerObj, jobject messageQueueObj);
+
+ status_t unregisterInputChannel(JNIEnv* env, jobject inputChannelObj);
+
+ status_t finished(JNIEnv* env, jlong finishedToken, bool ignoreSpuriousFinish);
+
+private:
+ class Connection : public RefBase {
+ protected:
+ virtual ~Connection();
+
+ public:
+ enum Status {
+ // Everything is peachy.
+ STATUS_NORMAL,
+ // The input channel has been unregistered.
+ STATUS_ZOMBIE
+ };
+
+ Connection(const sp<InputChannel>& inputChannel, const sp<PollLoop>& pollLoop);
+
+ inline const char* getInputChannelName() { return inputChannel->getName().string(); }
+
+ Status status;
+
+ sp<InputChannel> inputChannel;
+ InputConsumer inputConsumer;
+ sp<PollLoop> pollLoop;
+ jobject inputHandlerObjGlobal;
+ PreallocatedInputEventFactory inputEventFactory;
+
+ // The sequence number of the current event being dispatched.
+ // This is used as part of the finished token as a way to determine whether the finished
+ // token is still valid before sending a finished signal back to the publisher.
+ uint32_t messageSeqNum;
+
+ // True if a message has been received from the publisher but not yet finished.
+ bool messageInProgress;
+ };
+
+ Mutex mLock;
+ KeyedVector<int32_t, sp<Connection> > mConnectionsByReceiveFd;
+
+ static void handleInputChannelDisposed(JNIEnv* env,
+ jobject inputChannelObj, const sp<InputChannel>& inputChannel, void* data);
+
+ static bool handleReceiveCallback(int receiveFd, int events, void* data);
+
+ static jlong generateFinishedToken(int32_t receiveFd, int32_t messageSeqNum);
+
+ static void parseFinishedToken(jlong finishedToken,
+ int32_t* outReceiveFd, uint32_t* outMessageIndex);
+};
+
+// ----------------------------------------------------------------------------
+
+NativeInputQueue::NativeInputQueue() {
+}
+
+NativeInputQueue::~NativeInputQueue() {
+}
+
+status_t NativeInputQueue::registerInputChannel(JNIEnv* env, jobject inputChannelObj,
+ jobject inputHandlerObj, jobject messageQueueObj) {
+ sp<InputChannel> inputChannel = android_view_InputChannel_getInputChannel(env,
+ inputChannelObj);
+ if (inputChannel == NULL) {
+ LOGW("Input channel is not initialized.");
+ return BAD_VALUE;
+ }
+
+ sp<PollLoop> pollLoop = android_os_MessageQueue_getPollLoop(env, messageQueueObj);
+
+ int receiveFd;
+ { // acquire lock
+ AutoMutex _l(mLock);
+
+ receiveFd = inputChannel->getReceivePipeFd();
+ if (mConnectionsByReceiveFd.indexOfKey(receiveFd) >= 0) {
+ LOGW("Attempted to register already registered input channel '%s'",
+ inputChannel->getName().string());
+ return BAD_VALUE;
+ }
+
+ sp<Connection> connection = new Connection(inputChannel, pollLoop);
+ status_t result = connection->inputConsumer.initialize();
+ if (result) {
+ LOGW("Failed to initialize input consumer for input channel '%s', status=%d",
+ inputChannel->getName().string(), result);
+ return result;
+ }
+
+ connection->inputHandlerObjGlobal = env->NewGlobalRef(inputHandlerObj);
+
+ mConnectionsByReceiveFd.add(receiveFd, connection);
+ } // release lock
+
+ android_view_InputChannel_setDisposeCallback(env, inputChannelObj,
+ handleInputChannelDisposed, this);
+
+ pollLoop->setCallback(receiveFd, POLLIN, handleReceiveCallback, NULL);
+ return OK;
+}
+
+status_t NativeInputQueue::unregisterInputChannel(JNIEnv* env, jobject inputChannelObj) {
+ sp<InputChannel> inputChannel = android_view_InputChannel_getInputChannel(env,
+ inputChannelObj);
+ if (inputChannel == NULL) {
+ LOGW("Input channel is not initialized.");
+ return BAD_VALUE;
+ }
+
+ int32_t receiveFd;
+ sp<Connection> connection;
+ { // acquire lock
+ AutoMutex _l(mLock);
+
+ receiveFd = inputChannel->getReceivePipeFd();
+ ssize_t connectionIndex = mConnectionsByReceiveFd.indexOfKey(receiveFd);
+ if (connectionIndex < 0) {
+ LOGW("Attempted to unregister already unregistered input channel '%s'",
+ inputChannel->getName().string());
+ return BAD_VALUE;
+ }
+
+ connection = mConnectionsByReceiveFd.valueAt(connectionIndex);
+ mConnectionsByReceiveFd.removeItemsAt(connectionIndex);
+
+ connection->status = Connection::STATUS_ZOMBIE;
+
+ env->DeleteGlobalRef(connection->inputHandlerObjGlobal);
+ connection->inputHandlerObjGlobal = NULL;
+ } // release lock
+
+ android_view_InputChannel_setDisposeCallback(env, inputChannelObj, NULL, NULL);
+
+ connection->pollLoop->removeCallback(receiveFd);
+ return OK;
+}
+
+status_t NativeInputQueue::finished(JNIEnv* env, jlong finishedToken, bool ignoreSpuriousFinish) {
+ int32_t receiveFd;
+ uint32_t messageSeqNum;
+ parseFinishedToken(finishedToken, &receiveFd, &messageSeqNum);
+
+ { // acquire lock
+ AutoMutex _l(mLock);
+
+ ssize_t connectionIndex = mConnectionsByReceiveFd.indexOfKey(receiveFd);
+ if (connectionIndex < 0) {
+ if (! ignoreSpuriousFinish) {
+ LOGW("Attempted to finish input on channel that is no longer registered.");
+ }
+ return DEAD_OBJECT;
+ }
+
+ sp<Connection> connection = mConnectionsByReceiveFd.valueAt(connectionIndex);
+ if (messageSeqNum != connection->messageSeqNum || ! connection->messageInProgress) {
+ if (! ignoreSpuriousFinish) {
+ LOGW("Attempted to finish input twice on channel '%s'.",
+ connection->getInputChannelName());
+ }
+ return INVALID_OPERATION;
+ }
+
+ connection->messageInProgress = false;
+
+ status_t status = connection->inputConsumer.sendFinishedSignal();
+ if (status) {
+ LOGW("Failed to send finished signal on channel '%s'. status=%d",
+ connection->getInputChannelName(), status);
+ return status;
+ }
+
+#if DEBUG_DISPATCH_CYCLE
+ LOGD("channel '%s' ~ Finished event.",
+ connection->getInputChannelName());
+#endif
+ } // release lock
+
+ return OK;
+}
+
+void NativeInputQueue::handleInputChannelDisposed(JNIEnv* env,
+ jobject inputChannelObj, const sp<InputChannel>& inputChannel, void* data) {
+ LOGW("Input channel object '%s' was disposed without first being unregistered with "
+ "the input queue!", inputChannel->getName().string());
+
+ NativeInputQueue* q = static_cast<NativeInputQueue*>(data);
+ q->unregisterInputChannel(env, inputChannelObj);
+}
+
+bool NativeInputQueue::handleReceiveCallback(int receiveFd, int events, void* data) {
+ NativeInputQueue* q = static_cast<NativeInputQueue*>(data);
+ JNIEnv* env = AndroidRuntime::getJNIEnv();
+
+ sp<Connection> connection;
+ InputEvent* inputEvent;
+ jobject inputHandlerObjLocal;
+ jlong finishedToken;
+ { // acquire lock
+ AutoMutex _l(q->mLock);
+
+ ssize_t connectionIndex = q->mConnectionsByReceiveFd.indexOfKey(receiveFd);
+ if (connectionIndex < 0) {
+ LOGE("Received spurious receive callback for unknown input channel. "
+ "fd=%d, events=0x%x", receiveFd, events);
+ return false; // remove the callback
+ }
+
+ connection = q->mConnectionsByReceiveFd.valueAt(connectionIndex);
+ if (events & (POLLERR | POLLHUP | POLLNVAL)) {
+ LOGE("channel '%s' ~ Publisher closed input channel or an error occurred. "
+ "events=0x%x", connection->getInputChannelName(), events);
+ return false; // remove the callback
+ }
+
+ if (! (events & POLLIN)) {
+ LOGW("channel '%s' ~ Received spurious callback for unhandled poll event. "
+ "events=0x%x", connection->getInputChannelName(), events);
+ return true;
+ }
+
+ status_t status = connection->inputConsumer.receiveDispatchSignal();
+ if (status) {
+ LOGE("channel '%s' ~ Failed to receive dispatch signal. status=%d",
+ connection->getInputChannelName(), status);
+ return false; // remove the callback
+ }
+
+ if (connection->messageInProgress) {
+ LOGW("channel '%s' ~ Publisher sent spurious dispatch signal.",
+ connection->getInputChannelName());
+ return true;
+ }
+
+ status = connection->inputConsumer.consume(& connection->inputEventFactory, & inputEvent);
+ if (status) {
+ LOGW("channel '%s' ~ Failed to consume input event. status=%d",
+ connection->getInputChannelName(), status);
+ connection->inputConsumer.sendFinishedSignal();
+ return true;
+ }
+
+ connection->messageInProgress = true;
+ connection->messageSeqNum += 1;
+
+ finishedToken = generateFinishedToken(receiveFd, connection->messageSeqNum);
+
+ inputHandlerObjLocal = env->NewLocalRef(connection->inputHandlerObjGlobal);
+ } // release lock
+
+ // Invoke the handler outside of the lock.
+ //
+ // Note: inputEvent is stored in a field of the connection object which could potentially
+ // become disposed due to the input channel being unregistered concurrently.
+ // For this reason, we explicitly keep the connection object alive by holding
+ // a strong pointer to it within this scope. We also grabbed a local reference to
+ // the input handler object itself for the same reason.
+
+ int32_t inputEventType = inputEvent->getType();
+ int32_t inputEventNature = inputEvent->getNature();
+
+ jobject inputEventObj;
+ jmethodID dispatchMethodId;
+ switch (inputEventType) {
+ case INPUT_EVENT_TYPE_KEY:
+#if DEBUG_DISPATCH_CYCLE
+ LOGD("channel '%s' ~ Received key event.", connection->getInputChannelName());
+#endif
+ inputEventObj = android_view_KeyEvent_fromNative(env,
+ static_cast<KeyEvent*>(inputEvent));
+ dispatchMethodId = gInputQueueClassInfo.dispatchKeyEvent;
+ break;
+
+ case INPUT_EVENT_TYPE_MOTION:
+#if DEBUG_DISPATCH_CYCLE
+ LOGD("channel '%s' ~ Received motion event.", connection->getInputChannelName());
+#endif
+ inputEventObj = android_view_MotionEvent_fromNative(env,
+ static_cast<MotionEvent*>(inputEvent));
+ dispatchMethodId = gInputQueueClassInfo.dispatchMotionEvent;
+ break;
+
+ default:
+ assert(false); // InputConsumer should prevent this from ever happening
+ inputEventObj = NULL;
+ }
+
+ if (! inputEventObj) {
+ LOGW("channel '%s' ~ Failed to obtain DVM event object.",
+ connection->getInputChannelName());
+ env->DeleteLocalRef(inputHandlerObjLocal);
+ q->finished(env, finishedToken, false);
+ return true;
+ }
+
+#if DEBUG_DISPATCH_CYCLE
+ LOGD("Invoking input handler.");
+#endif
+ env->CallStaticVoidMethod(gInputQueueClassInfo.clazz,
+ dispatchMethodId, inputHandlerObjLocal, inputEventObj,
+ jint(inputEventNature), jlong(finishedToken));
+#if DEBUG_DISPATCH_CYCLE
+ LOGD("Returned from input handler.");
+#endif
+
+ if (env->ExceptionCheck()) {
+ LOGE("An exception occurred while invoking the input handler for an event.");
+ LOGE_EX(env);
+ env->ExceptionClear();
+
+ q->finished(env, finishedToken, true /*ignoreSpuriousFinish*/);
+ }
+
+ env->DeleteLocalRef(inputEventObj);
+ env->DeleteLocalRef(inputHandlerObjLocal);
+ return true;
+}
+
+jlong NativeInputQueue::generateFinishedToken(int32_t receiveFd, int32_t messageSeqNum) {
+ return (jlong(receiveFd) << 32) | jlong(messageSeqNum);
+}
+
+void NativeInputQueue::parseFinishedToken(jlong finishedToken,
+ int32_t* outReceiveFd, uint32_t* outMessageIndex) {
+ *outReceiveFd = int32_t(finishedToken >> 32);
+ *outMessageIndex = uint32_t(finishedToken & 0xffffffff);
+}
+
+// ----------------------------------------------------------------------------
+
+NativeInputQueue::Connection::Connection(const sp<InputChannel>& inputChannel, const sp<PollLoop>& pollLoop) :
+ status(STATUS_NORMAL), inputChannel(inputChannel), inputConsumer(inputChannel),
+ pollLoop(pollLoop), inputHandlerObjGlobal(NULL),
+ messageSeqNum(0), messageInProgress(false) {
+}
+
+NativeInputQueue::Connection::~Connection() {
+}
+
+// ----------------------------------------------------------------------------
+
+static NativeInputQueue gNativeInputQueue;
+
+static void android_view_InputQueue_nativeRegisterInputChannel(JNIEnv* env, jclass clazz,
+ jobject inputChannelObj, jobject inputHandlerObj, jobject messageQueueObj) {
+ status_t status = gNativeInputQueue.registerInputChannel(
+ env, inputChannelObj, inputHandlerObj, messageQueueObj);
+ if (status) {
+ jniThrowRuntimeException(env, "Failed to register input channel. "
+ "Check logs for details.");
+ }
+}
+
+static void android_view_InputQueue_nativeUnregisterInputChannel(JNIEnv* env, jclass clazz,
+ jobject inputChannelObj) {
+ status_t status = gNativeInputQueue.unregisterInputChannel(env, inputChannelObj);
+ if (status) {
+ jniThrowRuntimeException(env, "Failed to unregister input channel. "
+ "Check logs for details.");
+ }
+}
+
+static void android_view_InputQueue_nativeFinished(JNIEnv* env, jclass clazz,
+ jlong finishedToken) {
+ status_t status = gNativeInputQueue.finished(
+ env, finishedToken, false /*ignoreSpuriousFinish*/);
+ if (status) {
+ jniThrowRuntimeException(env, "Failed to finish input event. "
+ "Check logs for details.");
+ }
+}
+
+// ----------------------------------------------------------------------------
+
+static JNINativeMethod gInputQueueMethods[] = {
+ /* name, signature, funcPtr */
+ { "nativeRegisterInputChannel",
+ "(Landroid/view/InputChannel;Landroid/view/InputHandler;Landroid/os/MessageQueue;)V",
+ (void*)android_view_InputQueue_nativeRegisterInputChannel },
+ { "nativeUnregisterInputChannel",
+ "(Landroid/view/InputChannel;)V",
+ (void*)android_view_InputQueue_nativeUnregisterInputChannel },
+ { "nativeFinished", "(J)V",
+ (void*)android_view_InputQueue_nativeFinished }
+};
+
+#define FIND_CLASS(var, className) \
+ var = env->FindClass(className); \
+ LOG_FATAL_IF(! var, "Unable to find class " className); \
+ var = jclass(env->NewGlobalRef(var));
+
+#define GET_STATIC_METHOD_ID(var, clazz, methodName, methodDescriptor) \
+ var = env->GetStaticMethodID(clazz, methodName, methodDescriptor); \
+ LOG_FATAL_IF(! var, "Unable to find static method " methodName);
+
+int register_android_view_InputQueue(JNIEnv* env) {
+ int res = jniRegisterNativeMethods(env, "android/view/InputQueue",
+ gInputQueueMethods, NELEM(gInputQueueMethods));
+ LOG_FATAL_IF(res < 0, "Unable to register native methods.");
+
+ FIND_CLASS(gInputQueueClassInfo.clazz, "android/view/InputQueue");
+
+ GET_STATIC_METHOD_ID(gInputQueueClassInfo.dispatchKeyEvent, gInputQueueClassInfo.clazz,
+ "dispatchKeyEvent",
+ "(Landroid/view/InputHandler;Landroid/view/KeyEvent;IJ)V");
+
+ GET_STATIC_METHOD_ID(gInputQueueClassInfo.dispatchMotionEvent, gInputQueueClassInfo.clazz,
+ "dispatchMotionEvent",
+ "(Landroid/view/InputHandler;Landroid/view/MotionEvent;IJ)V");
+ return 0;
+}
+
+} // namespace android
diff --git a/core/jni/android_view_InputTarget.cpp b/core/jni/android_view_InputTarget.cpp
new file mode 100644
index 0000000..e2a1f23
--- /dev/null
+++ b/core/jni/android_view_InputTarget.cpp
@@ -0,0 +1,97 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "InputTarget-JNI"
+
+#include "JNIHelp.h"
+
+#include <utils/Log.h>
+#include <ui/InputDispatchPolicy.h>
+#include <ui/InputTransport.h>
+#include "android_view_InputTarget.h"
+#include "android_view_InputChannel.h"
+
+namespace android {
+
+// ----------------------------------------------------------------------------
+
+static struct {
+ jclass clazz;
+
+ jfieldID mInputChannel;
+ jfieldID mFlags;
+ jfieldID mTimeoutNanos;
+ jfieldID mXOffset;
+ jfieldID mYOffset;
+} gInputTargetClassInfo;
+
+// ----------------------------------------------------------------------------
+
+void android_view_InputTarget_toNative(JNIEnv* env, jobject inputTargetObj,
+ InputTarget* outInputTarget) {
+ jobject inputChannelObj = env->GetObjectField(inputTargetObj,
+ gInputTargetClassInfo.mInputChannel);
+ jint flags = env->GetIntField(inputTargetObj,
+ gInputTargetClassInfo.mFlags);
+ jlong timeoutNanos = env->GetLongField(inputTargetObj,
+ gInputTargetClassInfo.mTimeoutNanos);
+ jfloat xOffset = env->GetFloatField(inputTargetObj,
+ gInputTargetClassInfo.mXOffset);
+ jfloat yOffset = env->GetFloatField(inputTargetObj,
+ gInputTargetClassInfo.mYOffset);
+
+ outInputTarget->inputChannel = android_view_InputChannel_getInputChannel(env, inputChannelObj);
+ outInputTarget->flags = flags;
+ outInputTarget->timeout = timeoutNanos;
+ outInputTarget->xOffset = xOffset;
+ outInputTarget->yOffset = yOffset;
+
+ env->DeleteLocalRef(inputChannelObj);
+}
+
+// ----------------------------------------------------------------------------
+
+#define FIND_CLASS(var, className) \
+ var = env->FindClass(className); \
+ LOG_FATAL_IF(! var, "Unable to find class " className); \
+ var = jclass(env->NewGlobalRef(var));
+
+#define GET_FIELD_ID(var, clazz, fieldName, fieldDescriptor) \
+ var = env->GetFieldID(clazz, fieldName, fieldDescriptor); \
+ LOG_FATAL_IF(! var, "Unable to find field " fieldName);
+
+int register_android_view_InputTarget(JNIEnv* env) {
+ FIND_CLASS(gInputTargetClassInfo.clazz, "android/view/InputTarget");
+
+ GET_FIELD_ID(gInputTargetClassInfo.mInputChannel, gInputTargetClassInfo.clazz,
+ "mInputChannel", "Landroid/view/InputChannel;");
+
+ GET_FIELD_ID(gInputTargetClassInfo.mFlags, gInputTargetClassInfo.clazz,
+ "mFlags", "I");
+
+ GET_FIELD_ID(gInputTargetClassInfo.mTimeoutNanos, gInputTargetClassInfo.clazz,
+ "mTimeoutNanos", "J");
+
+ GET_FIELD_ID(gInputTargetClassInfo.mXOffset, gInputTargetClassInfo.clazz,
+ "mXOffset", "F");
+
+ GET_FIELD_ID(gInputTargetClassInfo.mYOffset, gInputTargetClassInfo.clazz,
+ "mYOffset", "F");
+
+ return 0;
+}
+
+} // namespace android
diff --git a/core/jni/android_view_InputTarget.h b/core/jni/android_view_InputTarget.h
new file mode 100644
index 0000000..9230b1b
--- /dev/null
+++ b/core/jni/android_view_InputTarget.h
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _ANDROID_VIEW_INPUTTARGET_H
+#define _ANDROID_VIEW_INPUTTARGET_H
+
+#include "jni.h"
+
+namespace android {
+
+class InputTarget;
+
+extern void android_view_InputTarget_toNative(JNIEnv* env, jobject inputTargetObj,
+ InputTarget* outInputTarget);
+
+} // namespace android
+
+#endif // _ANDROID_OS_INPUTTARGET_H
diff --git a/core/jni/android_view_KeyEvent.cpp b/core/jni/android_view_KeyEvent.cpp
new file mode 100644
index 0000000..df3b952
--- /dev/null
+++ b/core/jni/android_view_KeyEvent.cpp
@@ -0,0 +1,124 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "KeyEvent-JNI"
+
+#include "JNIHelp.h"
+
+#include <android_runtime/AndroidRuntime.h>
+#include <utils/Log.h>
+#include <ui/Input.h>
+#include "android_view_KeyEvent.h"
+
+namespace android {
+
+// ----------------------------------------------------------------------------
+
+static struct {
+ jclass clazz;
+
+ jmethodID ctor;
+
+ jfieldID mMetaState;
+ jfieldID mAction;
+ jfieldID mKeyCode;
+ jfieldID mScanCode;
+ jfieldID mRepeatCount;
+ jfieldID mDeviceId;
+ jfieldID mFlags;
+ jfieldID mDownTime;
+ jfieldID mEventTime;
+ jfieldID mCharacters;
+} gKeyEventClassInfo;
+
+// ----------------------------------------------------------------------------
+
+jobject android_view_KeyEvent_fromNative(JNIEnv* env, const KeyEvent* event) {
+ return env->NewObject(gKeyEventClassInfo.clazz, gKeyEventClassInfo.ctor,
+ nanoseconds_to_milliseconds(event->getDownTime()),
+ nanoseconds_to_milliseconds(event->getEventTime()),
+ event->getAction(),
+ event->getKeyCode(),
+ event->getRepeatCount(),
+ event->getMetaState(),
+ event->getDeviceId(),
+ event->getScanCode(),
+ event->getFlags());
+}
+
+void android_view_KeyEvent_toNative(JNIEnv* env, jobject eventObj, int32_t nature,
+ KeyEvent* event) {
+ jint metaState = env->GetIntField(eventObj, gKeyEventClassInfo.mMetaState);
+ jint action = env->GetIntField(eventObj, gKeyEventClassInfo.mAction);
+ jint keyCode = env->GetIntField(eventObj, gKeyEventClassInfo.mKeyCode);
+ jint scanCode = env->GetIntField(eventObj, gKeyEventClassInfo.mScanCode);
+ jint repeatCount = env->GetIntField(eventObj, gKeyEventClassInfo.mRepeatCount);
+ jint deviceId = env->GetIntField(eventObj, gKeyEventClassInfo.mDeviceId);
+ jint flags = env->GetIntField(eventObj, gKeyEventClassInfo.mFlags);
+ jlong downTime = env->GetLongField(eventObj, gKeyEventClassInfo.mDownTime);
+ jlong eventTime = env->GetLongField(eventObj, gKeyEventClassInfo.mEventTime);
+
+ event->initialize(deviceId, nature, action, flags, keyCode, scanCode, metaState, repeatCount,
+ milliseconds_to_nanoseconds(downTime),
+ milliseconds_to_nanoseconds(eventTime));
+}
+
+// ----------------------------------------------------------------------------
+
+#define FIND_CLASS(var, className) \
+ var = env->FindClass(className); \
+ LOG_FATAL_IF(! var, "Unable to find class " className); \
+ var = jclass(env->NewGlobalRef(var));
+
+#define GET_METHOD_ID(var, clazz, methodName, fieldDescriptor) \
+ var = env->GetMethodID(clazz, methodName, fieldDescriptor); \
+ LOG_FATAL_IF(! var, "Unable to find method" methodName);
+
+#define GET_FIELD_ID(var, clazz, fieldName, fieldDescriptor) \
+ var = env->GetFieldID(clazz, fieldName, fieldDescriptor); \
+ LOG_FATAL_IF(! var, "Unable to find field " fieldName);
+
+int register_android_view_KeyEvent(JNIEnv* env) {
+ FIND_CLASS(gKeyEventClassInfo.clazz, "android/view/KeyEvent");
+
+ GET_METHOD_ID(gKeyEventClassInfo.ctor, gKeyEventClassInfo.clazz,
+ "<init>", "(JJIIIIIII)V");
+
+ GET_FIELD_ID(gKeyEventClassInfo.mMetaState, gKeyEventClassInfo.clazz,
+ "mMetaState", "I");
+ GET_FIELD_ID(gKeyEventClassInfo.mAction, gKeyEventClassInfo.clazz,
+ "mAction", "I");
+ GET_FIELD_ID(gKeyEventClassInfo.mKeyCode, gKeyEventClassInfo.clazz,
+ "mKeyCode", "I");
+ GET_FIELD_ID(gKeyEventClassInfo.mScanCode, gKeyEventClassInfo.clazz,
+ "mScanCode", "I");
+ GET_FIELD_ID(gKeyEventClassInfo.mRepeatCount, gKeyEventClassInfo.clazz,
+ "mRepeatCount", "I");
+ GET_FIELD_ID(gKeyEventClassInfo.mDeviceId, gKeyEventClassInfo.clazz,
+ "mDeviceId", "I");
+ GET_FIELD_ID(gKeyEventClassInfo.mFlags, gKeyEventClassInfo.clazz,
+ "mFlags", "I");
+ GET_FIELD_ID(gKeyEventClassInfo.mDownTime, gKeyEventClassInfo.clazz,
+ "mDownTime", "J");
+ GET_FIELD_ID(gKeyEventClassInfo.mEventTime, gKeyEventClassInfo.clazz,
+ "mEventTime", "J");
+ GET_FIELD_ID(gKeyEventClassInfo.mCharacters, gKeyEventClassInfo.clazz,
+ "mCharacters", "Ljava/lang/String;");
+
+ return 0;
+}
+
+} // namespace android
diff --git a/core/jni/android_view_KeyEvent.h b/core/jni/android_view_KeyEvent.h
new file mode 100644
index 0000000..3c71b1a
--- /dev/null
+++ b/core/jni/android_view_KeyEvent.h
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _ANDROID_VIEW_KEYEVENT_H
+#define _ANDROID_VIEW_KEYEVENT_H
+
+#include "jni.h"
+
+namespace android {
+
+class KeyEvent;
+
+/* Obtains an instance of a DVM KeyEvent object as a copy of a native KeyEvent instance. */
+extern jobject android_view_KeyEvent_fromNative(JNIEnv* env, const KeyEvent* event);
+
+/* Copies the contents of a DVM KeyEvent object to a native KeyEvent instance. */
+extern void android_view_KeyEvent_toNative(JNIEnv* env, jobject eventObj, int32_t nature,
+ KeyEvent* event);
+
+} // namespace android
+
+#endif // _ANDROID_OS_KEYEVENT_H
diff --git a/core/jni/android_view_MotionEvent.cpp b/core/jni/android_view_MotionEvent.cpp
new file mode 100644
index 0000000..629c8fe
--- /dev/null
+++ b/core/jni/android_view_MotionEvent.cpp
@@ -0,0 +1,310 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "MotionEvent-JNI"
+
+#include "JNIHelp.h"
+
+#include <android_runtime/AndroidRuntime.h>
+#include <utils/Log.h>
+#include <ui/Input.h>
+#include "android_view_MotionEvent.h"
+
+// Number of float items per entry in a DVM sample data array
+#define NUM_SAMPLE_DATA 4
+
+namespace android {
+
+// ----------------------------------------------------------------------------
+
+static struct {
+ jclass clazz;
+
+ jmethodID obtain;
+ jmethodID recycle;
+
+ jfieldID mDownTime;
+ jfieldID mEventTimeNano;
+ jfieldID mAction;
+ jfieldID mRawX;
+ jfieldID mRawY;
+ jfieldID mXPrecision;
+ jfieldID mYPrecision;
+ jfieldID mDeviceId;
+ jfieldID mEdgeFlags;
+ jfieldID mMetaState;
+ jfieldID mNumPointers;
+ jfieldID mNumSamples;
+ jfieldID mPointerIdentifiers;
+ jfieldID mDataSamples;
+ jfieldID mTimeSamples;
+} gMotionEventClassInfo;
+
+// ----------------------------------------------------------------------------
+
+jobject android_view_MotionEvent_fromNative(JNIEnv* env, const MotionEvent* event) {
+ jint numPointers = jint(event->getPointerCount());
+ jint numHistoricalSamples = jint(event->getHistorySize());
+ jint numSamples = numHistoricalSamples + 1;
+
+ jobject eventObj = env->CallStaticObjectMethod(gMotionEventClassInfo.clazz,
+ gMotionEventClassInfo.obtain, numPointers, numSamples);
+ if (env->ExceptionCheck()) {
+ LOGE("An exception occurred while obtaining a motion event.");
+ LOGE_EX(env);
+ env->ExceptionClear();
+ return NULL;
+ }
+
+ // MotionEvent.mEventTimeNano is the time of the oldest sample because
+ // MotionEvent.addBatch does not update it as successive samples are added.
+ jlong eventTimeNano = numHistoricalSamples != 0
+ ? event->getHistoricalEventTime(0)
+ : event->getEventTime();
+
+ env->SetLongField(eventObj, gMotionEventClassInfo.mDownTime,
+ nanoseconds_to_milliseconds(event->getDownTime()));
+ env->SetLongField(eventObj, gMotionEventClassInfo.mEventTimeNano,
+ eventTimeNano);
+ env->SetIntField(eventObj, gMotionEventClassInfo.mAction,
+ event->getAction());
+ env->SetFloatField(eventObj, gMotionEventClassInfo.mRawX,
+ event->getRawX());
+ env->SetFloatField(eventObj, gMotionEventClassInfo.mRawY,
+ event->getRawY());
+ env->SetFloatField(eventObj, gMotionEventClassInfo.mXPrecision,
+ event->getXPrecision());
+ env->SetFloatField(eventObj, gMotionEventClassInfo.mYPrecision,
+ event->getYPrecision());
+ env->SetIntField(eventObj, gMotionEventClassInfo.mDeviceId,
+ event->getDeviceId());
+ env->SetIntField(eventObj, gMotionEventClassInfo.mEdgeFlags,
+ event->getEdgeFlags());
+ env->SetIntField(eventObj, gMotionEventClassInfo.mMetaState,
+ event->getMetaState());
+ env->SetIntField(eventObj, gMotionEventClassInfo.mNumPointers,
+ numPointers);
+ env->SetIntField(eventObj, gMotionEventClassInfo.mNumSamples,
+ numSamples);
+
+ jintArray pointerIdentifierArray = jintArray(env->GetObjectField(eventObj,
+ gMotionEventClassInfo.mPointerIdentifiers));
+ jfloatArray dataSampleArray = jfloatArray(env->GetObjectField(eventObj,
+ gMotionEventClassInfo.mDataSamples));
+ jlongArray timeSampleArray = jlongArray(env->GetObjectField(eventObj,
+ gMotionEventClassInfo.mTimeSamples));
+
+ jint* pointerIdentifiers = (jint*)env->GetPrimitiveArrayCritical(pointerIdentifierArray, NULL);
+ jfloat* dataSamples = (jfloat*)env->GetPrimitiveArrayCritical(dataSampleArray, NULL);
+ jlong* timeSamples = (jlong*)env->GetPrimitiveArrayCritical(timeSampleArray, NULL);
+
+ for (jint i = 0; i < numPointers; i++) {
+ pointerIdentifiers[i] = event->getPointerId(i);
+ }
+
+ // Most recent data is in first slot of the DVM array, followed by the oldest,
+ // and then all others are in order.
+
+ jfloat* currentDataSample = dataSamples;
+ jlong* currentTimeSample = timeSamples;
+
+ *(currentTimeSample++) = nanoseconds_to_milliseconds(event->getEventTime());
+ for (jint j = 0; j < numPointers; j++) {
+ *(currentDataSample++) = event->getX(j);
+ *(currentDataSample++) = event->getY(j);
+ *(currentDataSample++) = event->getPressure(j);
+ *(currentDataSample++) = event->getSize(j);
+ }
+
+ for (jint i = 0; i < numHistoricalSamples; i++) {
+ *(currentTimeSample++) = nanoseconds_to_milliseconds(event->getHistoricalEventTime(i));
+ for (jint j = 0; j < numPointers; j++) {
+ *(currentDataSample++) = event->getHistoricalX(j, i);
+ *(currentDataSample++) = event->getHistoricalY(j, i);
+ *(currentDataSample++) = event->getHistoricalPressure(j, i);
+ *(currentDataSample++) = event->getHistoricalSize(j, i);
+ }
+ }
+
+ env->ReleasePrimitiveArrayCritical(pointerIdentifierArray, pointerIdentifiers, 0);
+ env->ReleasePrimitiveArrayCritical(dataSampleArray, dataSamples, 0);
+ env->ReleasePrimitiveArrayCritical(timeSampleArray, timeSamples, 0);
+
+ env->DeleteLocalRef(pointerIdentifierArray);
+ env->DeleteLocalRef(dataSampleArray);
+ env->DeleteLocalRef(timeSampleArray);
+ return eventObj;
+}
+
+void android_view_MotionEvent_toNative(JNIEnv* env, jobject eventObj, int32_t nature,
+ MotionEvent* event) {
+ // MotionEvent.mEventTimeNano is the time of the oldest sample because
+ // MotionEvent.addBatch does not update it as successive samples are added.
+ jlong downTime = env->GetLongField(eventObj, gMotionEventClassInfo.mDownTime);
+ jlong eventTimeNano = env->GetLongField(eventObj, gMotionEventClassInfo.mEventTimeNano);
+ jint action = env->GetIntField(eventObj, gMotionEventClassInfo.mAction);
+ jfloat rawX = env->GetFloatField(eventObj, gMotionEventClassInfo.mRawX);
+ jfloat rawY = env->GetFloatField(eventObj, gMotionEventClassInfo.mRawY);
+ jfloat xPrecision = env->GetFloatField(eventObj, gMotionEventClassInfo.mXPrecision);
+ jfloat yPrecision = env->GetFloatField(eventObj, gMotionEventClassInfo.mYPrecision);
+ jint deviceId = env->GetIntField(eventObj, gMotionEventClassInfo.mDeviceId);
+ jint edgeFlags = env->GetIntField(eventObj, gMotionEventClassInfo.mEdgeFlags);
+ jint metaState = env->GetIntField(eventObj, gMotionEventClassInfo.mMetaState);
+ jint numPointers = env->GetIntField(eventObj, gMotionEventClassInfo.mNumPointers);
+ jint numSamples = env->GetIntField(eventObj, gMotionEventClassInfo.mNumSamples);
+ jintArray pointerIdentifierArray = jintArray(env->GetObjectField(eventObj,
+ gMotionEventClassInfo.mPointerIdentifiers));
+ jfloatArray dataSampleArray = jfloatArray(env->GetObjectField(eventObj,
+ gMotionEventClassInfo.mDataSamples));
+ jlongArray timeSampleArray = jlongArray(env->GetObjectField(eventObj,
+ gMotionEventClassInfo.mTimeSamples));
+
+ LOG_FATAL_IF(numPointers == 0, "numPointers was zero");
+ LOG_FATAL_IF(numSamples == 0, "numSamples was zero");
+
+ jint* pointerIdentifiers = (jint*)env->GetPrimitiveArrayCritical(pointerIdentifierArray, NULL);
+ jfloat* dataSamples = (jfloat*)env->GetPrimitiveArrayCritical(dataSampleArray, NULL);
+ jlong* timeSamples = (jlong*)env->GetPrimitiveArrayCritical(timeSampleArray, NULL);
+
+ // Most recent data is in first slot of the DVM array, followed by the oldest,
+ // and then all others are in order. eventTimeNano is the time of the oldest sample
+ // since MotionEvent.addBatch does not update it.
+
+ jint numHistoricalSamples = numSamples - 1;
+ jint dataSampleStride = numPointers * NUM_SAMPLE_DATA;
+
+ const jfloat* currentDataSample;
+ const jlong* currentTimeSample;
+ if (numHistoricalSamples == 0) {
+ currentDataSample = dataSamples;
+ currentTimeSample = timeSamples;
+ } else {
+ currentDataSample = dataSamples + dataSampleStride;
+ currentTimeSample = timeSamples + 1;
+ }
+
+ PointerCoords pointerCoords[MAX_POINTERS];
+ for (jint j = 0; j < numPointers; j++) {
+ pointerCoords[j].x = *(currentDataSample++);
+ pointerCoords[j].y = *(currentDataSample++);
+ pointerCoords[j].pressure = *(currentDataSample++);
+ pointerCoords[j].size = *(currentDataSample++);
+ }
+
+ event->initialize(deviceId, nature, action, edgeFlags, metaState,
+ rawX, rawY, xPrecision, yPrecision,
+ milliseconds_to_nanoseconds(downTime), eventTimeNano,
+ numPointers, pointerIdentifiers, pointerCoords);
+
+ while (numHistoricalSamples > 0) {
+ numHistoricalSamples -= 1;
+ if (numHistoricalSamples == 0) {
+ currentDataSample = dataSamples;
+ currentTimeSample = timeSamples;
+ }
+
+ nsecs_t sampleEventTime = milliseconds_to_nanoseconds(*(currentTimeSample++));
+
+ for (jint j = 0; j < numPointers; j++) {
+ pointerCoords[j].x = *(currentDataSample++);
+ pointerCoords[j].y = *(currentDataSample++);
+ pointerCoords[j].pressure = *(currentDataSample++);
+ pointerCoords[j].size = *(currentDataSample++);
+ }
+
+ event->addSample(sampleEventTime, pointerCoords);
+ }
+
+ env->ReleasePrimitiveArrayCritical(pointerIdentifierArray, pointerIdentifiers, JNI_ABORT);
+ env->ReleasePrimitiveArrayCritical(dataSampleArray, dataSamples, JNI_ABORT);
+ env->ReleasePrimitiveArrayCritical(timeSampleArray, timeSamples, JNI_ABORT);
+
+ env->DeleteLocalRef(pointerIdentifierArray);
+ env->DeleteLocalRef(dataSampleArray);
+ env->DeleteLocalRef(timeSampleArray);
+}
+
+void android_view_MotionEvent_recycle(JNIEnv* env, jobject eventObj) {
+ env->CallVoidMethod(eventObj, gMotionEventClassInfo.recycle);
+ if (env->ExceptionCheck()) {
+ LOGW("An exception occurred while recycling a motion event.");
+ LOGW_EX(env);
+ env->ExceptionClear();
+ }
+}
+
+// ----------------------------------------------------------------------------
+
+#define FIND_CLASS(var, className) \
+ var = env->FindClass(className); \
+ LOG_FATAL_IF(! var, "Unable to find class " className); \
+ var = jclass(env->NewGlobalRef(var));
+
+#define GET_STATIC_METHOD_ID(var, clazz, methodName, fieldDescriptor) \
+ var = env->GetStaticMethodID(clazz, methodName, fieldDescriptor); \
+ LOG_FATAL_IF(! var, "Unable to find static method" methodName);
+
+#define GET_METHOD_ID(var, clazz, methodName, fieldDescriptor) \
+ var = env->GetMethodID(clazz, methodName, fieldDescriptor); \
+ LOG_FATAL_IF(! var, "Unable to find method" methodName);
+
+#define GET_FIELD_ID(var, clazz, fieldName, fieldDescriptor) \
+ var = env->GetFieldID(clazz, fieldName, fieldDescriptor); \
+ LOG_FATAL_IF(! var, "Unable to find field " fieldName);
+
+int register_android_view_MotionEvent(JNIEnv* env) {
+ FIND_CLASS(gMotionEventClassInfo.clazz, "android/view/MotionEvent");
+
+ GET_STATIC_METHOD_ID(gMotionEventClassInfo.obtain, gMotionEventClassInfo.clazz,
+ "obtain", "(II)Landroid/view/MotionEvent;");
+ GET_METHOD_ID(gMotionEventClassInfo.recycle, gMotionEventClassInfo.clazz,
+ "recycle", "()V");
+
+ GET_FIELD_ID(gMotionEventClassInfo.mDownTime, gMotionEventClassInfo.clazz,
+ "mDownTime", "J");
+ GET_FIELD_ID(gMotionEventClassInfo.mEventTimeNano, gMotionEventClassInfo.clazz,
+ "mEventTimeNano", "J");
+ GET_FIELD_ID(gMotionEventClassInfo.mAction, gMotionEventClassInfo.clazz,
+ "mAction", "I");
+ GET_FIELD_ID(gMotionEventClassInfo.mRawX, gMotionEventClassInfo.clazz,
+ "mRawX", "F");
+ GET_FIELD_ID(gMotionEventClassInfo.mRawY, gMotionEventClassInfo.clazz,
+ "mRawY", "F");
+ GET_FIELD_ID(gMotionEventClassInfo.mXPrecision, gMotionEventClassInfo.clazz,
+ "mXPrecision", "F");
+ GET_FIELD_ID(gMotionEventClassInfo.mYPrecision, gMotionEventClassInfo.clazz,
+ "mYPrecision", "F");
+ GET_FIELD_ID(gMotionEventClassInfo.mDeviceId, gMotionEventClassInfo.clazz,
+ "mDeviceId", "I");
+ GET_FIELD_ID(gMotionEventClassInfo.mEdgeFlags, gMotionEventClassInfo.clazz,
+ "mEdgeFlags", "I");
+ GET_FIELD_ID(gMotionEventClassInfo.mMetaState, gMotionEventClassInfo.clazz,
+ "mMetaState", "I");
+ GET_FIELD_ID(gMotionEventClassInfo.mNumPointers, gMotionEventClassInfo.clazz,
+ "mNumPointers", "I");
+ GET_FIELD_ID(gMotionEventClassInfo.mNumSamples, gMotionEventClassInfo.clazz,
+ "mNumSamples", "I");
+ GET_FIELD_ID(gMotionEventClassInfo.mPointerIdentifiers, gMotionEventClassInfo.clazz,
+ "mPointerIdentifiers", "[I");
+ GET_FIELD_ID(gMotionEventClassInfo.mDataSamples, gMotionEventClassInfo.clazz,
+ "mDataSamples", "[F");
+ GET_FIELD_ID(gMotionEventClassInfo.mTimeSamples, gMotionEventClassInfo.clazz,
+ "mTimeSamples", "[J");
+
+ return 0;
+}
+
+} // namespace android
diff --git a/core/jni/android_view_MotionEvent.h b/core/jni/android_view_MotionEvent.h
new file mode 100644
index 0000000..03ee32f
--- /dev/null
+++ b/core/jni/android_view_MotionEvent.h
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _ANDROID_VIEW_MOTIONEVENT_H
+#define _ANDROID_VIEW_MOTIONEVENT_H
+
+#include "jni.h"
+
+namespace android {
+
+class MotionEvent;
+
+/* Obtains an instance of a DVM MotionEvent object as a copy of a native MotionEvent instance. */
+extern jobject android_view_MotionEvent_fromNative(JNIEnv* env, const MotionEvent* event);
+
+/* Copies the contents of a DVM MotionEvent object to a native MotionEvent instance. */
+extern void android_view_MotionEvent_toNative(JNIEnv* env, jobject eventObj, int32_t nature,
+ MotionEvent* event);
+
+/* Recycles a DVM MotionEvent object. */
+extern void android_view_MotionEvent_recycle(JNIEnv* env, jobject eventObj);
+
+} // namespace android
+
+#endif // _ANDROID_OS_KEYEVENT_H
diff --git a/core/jni/android_view_ViewRoot.cpp b/core/jni/android_view_ViewRoot.cpp
index 70ad8c5..5173bb8 100644
--- a/core/jni/android_view_ViewRoot.cpp
+++ b/core/jni/android_view_ViewRoot.cpp
@@ -80,38 +80,6 @@
SkGLCanvas::AbandonAllTextures();
}
-static jintArray android_view_ViewRoot_makeInputChannel(JNIEnv* env, jobject) {
- int fd[2];
- jint* arrayData = NULL;
-
- // Create the pipe
- int err = socketpair(AF_LOCAL, SOCK_STREAM, 0, fd);
- if (err != 0) {
- fprintf(stderr, "socketpair() failed: %d\n", errno);
- doThrow(env, "java/lang/RuntimeException", "Unable to create pipe");
- return NULL;
- }
-
- // Set up the return array
- jintArray array = env->NewIntArray(2);
- if (env->ExceptionCheck()) {
- fprintf(stderr, "Exception allocating fd array");
- goto bail;
- }
-
- arrayData = env->GetIntArrayElements(array, 0);
- arrayData[0] = fd[0];
- arrayData[1] = fd[1];
- env->ReleaseIntArrayElements(array, arrayData, 0);
-
- return array;
-
-bail:
- env->DeleteLocalRef(array);
- close(fd[0]);
- close(fd[1]);
- return NULL;
-}
// ----------------------------------------------------------------------------
@@ -121,9 +89,7 @@
{ "nativeShowFPS", "(Landroid/graphics/Canvas;I)V",
(void*)android_view_ViewRoot_showFPS },
{ "nativeAbandonGlCaches", "()V",
- (void*)android_view_ViewRoot_abandonGlCaches },
- { "makeInputChannel", "()[I",
- (void*)android_view_ViewRoot_makeInputChannel }
+ (void*)android_view_ViewRoot_abandonGlCaches }
};
int register_android_view_ViewRoot(JNIEnv* env) {
diff --git a/include/private/README b/include/private/README
new file mode 100644
index 0000000..ee41492
--- /dev/null
+++ b/include/private/README
@@ -0,0 +1,4 @@
+This folder contains private include files.
+
+These include files are part of the private implementation details of
+various framework components. Use at your peril.
diff --git a/include/ui/EventHub.h b/include/ui/EventHub.h
index 3b18c77..d322a34 100644
--- a/include/ui/EventHub.h
+++ b/include/ui/EventHub.h
@@ -18,6 +18,7 @@
#ifndef _RUNTIME_EVENT_HUB_H
#define _RUNTIME_EVENT_HUB_H
+#include <android/input.h>
#include <utils/String8.h>
#include <utils/threads.h>
#include <utils/Log.h>
@@ -27,6 +28,31 @@
#include <linux/input.h>
+/* These constants are not defined in linux/input.h but they are part of the multitouch
+ * input protocol. */
+
+#define ABS_MT_TOUCH_MAJOR 0x30 /* Major axis of touching ellipse */
+#define ABS_MT_TOUCH_MINOR 0x31 /* Minor axis (omit if circular) */
+#define ABS_MT_WIDTH_MAJOR 0x32 /* Major axis of approaching ellipse */
+#define ABS_MT_WIDTH_MINOR 0x33 /* Minor axis (omit if circular) */
+#define ABS_MT_ORIENTATION 0x34 /* Ellipse orientation */
+#define ABS_MT_POSITION_X 0x35 /* Center X ellipse position */
+#define ABS_MT_POSITION_Y 0x36 /* Center Y ellipse position */
+#define ABS_MT_TOOL_TYPE 0x37 /* Type of touching device (finger, pen, ...) */
+#define ABS_MT_BLOB_ID 0x38 /* Group a set of packets as a blob */
+#define ABS_MT_TRACKING_ID 0x39 /* Unique ID of initiated contact */
+#define ABS_MT_PRESSURE 0x3a /* Pressure on contact area */
+
+#define MT_TOOL_FINGER 0 /* Identifies a finger */
+#define MT_TOOL_PEN 1 /* Identifies a pen */
+
+#define SYN_MT_REPORT 2
+
+/* Convenience constants. */
+
+#define BTN_FIRST 0x100 // first button scancode
+#define BTN_LAST 0x15f // last button scancode
+
struct pollfd;
namespace android {
@@ -34,62 +60,101 @@
class KeyLayoutMap;
/*
- * Grand Central Station for events. With a single call to waitEvent()
- * you can wait for:
- * - input events from the keypad of a real device
- * - input events and meta-events (e.g. "quit") from the simulator
- * - synthetic events from the runtime (e.g. "URL fetch completed")
- * - real or forged "vsync" events
+ * Grand Central Station for events.
*
- * Do not instantiate this class. Instead, call startUp().
+ * The event hub aggregates input events received across all known input
+ * devices on the system, including devices that may be emulated by the simulator
+ * environment. In addition, the event hub generates fake input events to indicate
+ * when devices are added or removed.
+ *
+ * The event hub provies a stream of input events (via the getEvent function).
+ * It also supports querying the current actual state of input devices such as identifying
+ * which keys are currently down. Finally, the event hub keeps track of the capabilities of
+ * individual input devices, such as their class and the set of key codes that they support.
*/
-class EventHub : public RefBase
-{
+class EventHubInterface : public virtual RefBase {
+protected:
+ EventHubInterface() { }
+ virtual ~EventHubInterface() { }
+
public:
- EventHub();
-
- status_t errorCheck() const;
-
- // bit fields for classes of devices.
- enum {
- CLASS_KEYBOARD = 0x00000001,
- CLASS_ALPHAKEY = 0x00000002,
- CLASS_TOUCHSCREEN = 0x00000004,
- CLASS_TRACKBALL = 0x00000008,
- CLASS_TOUCHSCREEN_MT= 0x00000010,
- CLASS_DPAD = 0x00000020
- };
- uint32_t getDeviceClasses(int32_t deviceId) const;
-
- String8 getDeviceName(int32_t deviceId) const;
-
- int getAbsoluteInfo(int32_t deviceId, int axis, int *outMinValue,
- int* outMaxValue, int* outFlat, int* outFuzz) const;
-
- int getSwitchState(int sw) const;
- int getSwitchState(int32_t deviceId, int sw) const;
-
- int getScancodeState(int key) const;
- int getScancodeState(int32_t deviceId, int key) const;
-
- int getKeycodeState(int key) const;
- int getKeycodeState(int32_t deviceId, int key) const;
-
- status_t scancodeToKeycode(int32_t deviceId, int scancode,
- int32_t* outKeycode, uint32_t* outFlags) const;
-
- // exclude a particular device from opening
- // this can be used to ignore input devices for sensors
- void addExcludedDevice(const char* deviceName);
-
- // special type codes when devices are added/removed.
+ // Synthetic raw event type codes produced when devices are added or removed.
enum {
DEVICE_ADDED = 0x10000000,
DEVICE_REMOVED = 0x20000000
};
+
+ virtual uint32_t getDeviceClasses(int32_t deviceId) const = 0;
+
+ virtual String8 getDeviceName(int32_t deviceId) const = 0;
+
+ virtual int getAbsoluteInfo(int32_t deviceId, int axis, int *outMinValue,
+ int* outMaxValue, int* outFlat, int* outFuzz) const = 0;
+
+ virtual status_t scancodeToKeycode(int32_t deviceId, int scancode,
+ int32_t* outKeycode, uint32_t* outFlags) const = 0;
+
+ // exclude a particular device from opening
+ // this can be used to ignore input devices for sensors
+ virtual void addExcludedDevice(const char* deviceName) = 0;
+
+ /*
+ * Wait for the next event to become available and return it.
+ * After returning, the EventHub holds onto a wake lock until the next call to getEvent.
+ * This ensures that the device will not go to sleep while the event is being processed.
+ * If the device needs to remain awake longer than that, then the caller is responsible
+ * for taking care of it (say, by poking the power manager user activity timer).
+ */
+ virtual bool getEvent(int32_t* outDeviceId, int32_t* outType,
+ int32_t* outScancode, int32_t* outKeycode, uint32_t *outFlags,
+ int32_t* outValue, nsecs_t* outWhen) = 0;
+
+ /*
+ * Query current input state.
+ * deviceId may be -1 to search for the device automatically, filtered by class.
+ * deviceClasses may be -1 to ignore device class while searching.
+ */
+ virtual int32_t getScanCodeState(int32_t deviceId, int32_t deviceClasses,
+ int32_t scanCode) const = 0;
+ virtual int32_t getKeyCodeState(int32_t deviceId, int32_t deviceClasses,
+ int32_t keyCode) const = 0;
+ virtual int32_t getSwitchState(int32_t deviceId, int32_t deviceClasses,
+ int32_t sw) const = 0;
+
+ /*
+ * Examine key input devices for specific framework keycode support
+ */
+ virtual bool hasKeys(size_t numCodes, const int32_t* keyCodes,
+ uint8_t* outFlags) const = 0;
+};
+
+class EventHub : public EventHubInterface
+{
+public:
+ EventHub();
+
+ status_t errorCheck() const;
+
+ virtual uint32_t getDeviceClasses(int32_t deviceId) const;
- // examine key input devices for specific framework keycode support
- bool hasKeys(size_t numCodes, int32_t* keyCodes, uint8_t* outFlags);
+ virtual String8 getDeviceName(int32_t deviceId) const;
+
+ virtual int getAbsoluteInfo(int32_t deviceId, int axis, int *outMinValue,
+ int* outMaxValue, int* outFlat, int* outFuzz) const;
+
+ virtual status_t scancodeToKeycode(int32_t deviceId, int scancode,
+ int32_t* outKeycode, uint32_t* outFlags) const;
+
+ virtual void addExcludedDevice(const char* deviceName);
+
+ virtual int32_t getScanCodeState(int32_t deviceId, int32_t deviceClasses,
+ int32_t scanCode) const;
+ virtual int32_t getKeyCodeState(int32_t deviceId, int32_t deviceClasses,
+ int32_t keyCode) const;
+ virtual int32_t getSwitchState(int32_t deviceId, int32_t deviceClasses,
+ int32_t sw) const;
+
+ virtual bool hasKeys(size_t numCodes, const int32_t* keyCodes, uint8_t* outFlags) const;
virtual bool getEvent(int32_t* outDeviceId, int32_t* outType,
int32_t* outScancode, int32_t* outKeycode, uint32_t *outFlags,
@@ -126,6 +191,10 @@
device_t* getDevice(int32_t deviceId) const;
bool hasKeycode(device_t* device, int keycode) const;
+ int32_t getScanCodeStateLocked(device_t* device, int32_t scanCode) const;
+ int32_t getKeyCodeStateLocked(device_t* device, int32_t keyCode) const;
+ int32_t getSwitchStateLocked(device_t* device, int32_t sw) const;
+
// Protect all internal state.
mutable Mutex mLock;
@@ -151,7 +220,7 @@
// device ids that report particular switches.
#ifdef EV_SW
- int32_t mSwitches[SW_MAX+1];
+ int32_t mSwitches[SW_MAX + 1];
#endif
};
diff --git a/include/ui/Input.h b/include/ui/Input.h
new file mode 100644
index 0000000..6a5c8a8
--- /dev/null
+++ b/include/ui/Input.h
@@ -0,0 +1,310 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _UI_INPUT_H
+#define _UI_INPUT_H
+
+/**
+ * Native input event structures.
+ */
+
+#include <android/input.h>
+#include <utils/Vector.h>
+#include <utils/Timers.h>
+
+/*
+ * Additional private constants not defined in ndk/ui/input.h.
+ */
+enum {
+ /*
+ * Private control to determine when an app is tracking a key sequence.
+ */
+ KEY_EVENT_FLAG_START_TRACKING = 0x40000000
+};
+
+/*
+ * Maximum number of pointers supported per motion event.
+ */
+#define MAX_POINTERS 10
+
+namespace android {
+
+/*
+ * A raw event as retrieved from the EventHub.
+ */
+struct RawEvent {
+ nsecs_t when;
+ int32_t deviceId;
+ int32_t type;
+ int32_t scanCode;
+ int32_t keyCode;
+ int32_t value;
+ uint32_t flags;
+};
+
+/*
+ * Flags that flow alongside events in the input dispatch system to help with certain
+ * policy decisions such as waking from device sleep.
+ *
+ * TODO This enumeration should probably be split up or relabeled for clarity.
+ */
+enum {
+ /* These flags originate in RawEvents and are generally set in the key map. */
+
+ POLICY_FLAG_WAKE = 0x00000001,
+ POLICY_FLAG_WAKE_DROPPED = 0x00000002,
+ POLICY_FLAG_SHIFT = 0x00000004,
+ POLICY_FLAG_CAPS_LOCK = 0x00000008,
+ POLICY_FLAG_ALT = 0x00000010,
+ POLICY_FLAG_ALT_GR = 0x00000020,
+ POLICY_FLAG_MENU = 0x00000040,
+ POLICY_FLAG_LAUNCHER = 0x00000080,
+
+ /* These flags are set by the input dispatch policy as it intercepts each event. */
+
+ // Indicates that the screen was off when the event was received and the event
+ // should wake the device.
+ POLICY_FLAG_WOKE_HERE = 0x10000000,
+
+ // Indicates that the screen was dim when the event was received and the event
+ // should brighten the device.
+ POLICY_FLAG_BRIGHT_HERE = 0x20000000,
+};
+
+/*
+ * Pointer coordinate data.
+ */
+struct PointerCoords {
+ float x;
+ float y;
+ float pressure;
+ float size;
+};
+
+/*
+ * Input events.
+ */
+struct input_event_t { };
+
+class InputEvent : public input_event_t {
+public:
+ virtual ~InputEvent() { }
+
+ virtual int32_t getType() const = 0;
+
+ inline int32_t getDeviceId() const { return mDeviceId; }
+
+ inline int32_t getNature() const { return mNature; }
+
+protected:
+ void initialize(int32_t deviceId, int32_t nature);
+
+private:
+ int32_t mDeviceId;
+ int32_t mNature;
+};
+
+class KeyEvent : public InputEvent {
+public:
+ virtual ~KeyEvent() { }
+
+ virtual int32_t getType() const { return INPUT_EVENT_TYPE_KEY; }
+
+ inline int32_t getAction() const { return mAction; }
+
+ inline int32_t getFlags() const { return mFlags; }
+
+ inline int32_t getKeyCode() const { return mKeyCode; }
+
+ inline int32_t getScanCode() const { return mScanCode; }
+
+ inline int32_t getMetaState() const { return mMetaState; }
+
+ inline int32_t getRepeatCount() const { return mRepeatCount; }
+
+ inline nsecs_t getDownTime() const { return mDownTime; }
+
+ inline nsecs_t getEventTime() const { return mEventTime; }
+
+ void initialize(
+ int32_t deviceId,
+ int32_t nature,
+ int32_t action,
+ int32_t flags,
+ int32_t keyCode,
+ int32_t scanCode,
+ int32_t metaState,
+ int32_t repeatCount,
+ nsecs_t downTime,
+ nsecs_t eventTime);
+
+private:
+ int32_t mAction;
+ int32_t mFlags;
+ int32_t mKeyCode;
+ int32_t mScanCode;
+ int32_t mMetaState;
+ int32_t mRepeatCount;
+ nsecs_t mDownTime;
+ nsecs_t mEventTime;
+};
+
+class MotionEvent : public InputEvent {
+public:
+ virtual ~MotionEvent() { }
+
+ virtual int32_t getType() const { return INPUT_EVENT_TYPE_MOTION; }
+
+ inline int32_t getAction() const { return mAction; }
+
+ inline int32_t getEdgeFlags() const { return mEdgeFlags; }
+
+ inline int32_t getMetaState() const { return mMetaState; }
+
+ inline float getXPrecision() const { return mXPrecision; }
+
+ inline float getYPrecision() const { return mYPrecision; }
+
+ inline nsecs_t getDownTime() const { return mDownTime; }
+
+ inline size_t getPointerCount() const { return mPointerIds.size(); }
+
+ inline int32_t getPointerId(size_t pointerIndex) const { return mPointerIds[pointerIndex]; }
+
+ inline nsecs_t getEventTime() const { return mSampleEventTimes[getHistorySize()]; }
+
+ inline float getRawX() const { return mRawX; }
+
+ inline float getRawY() const { return mRawY; }
+
+ inline float getX(size_t pointerIndex) const {
+ return getCurrentPointerCoords(pointerIndex).x;
+ }
+
+ inline float getY(size_t pointerIndex) const {
+ return getCurrentPointerCoords(pointerIndex).y;
+ }
+
+ inline float getPressure(size_t pointerIndex) const {
+ return getCurrentPointerCoords(pointerIndex).pressure;
+ }
+
+ inline float getSize(size_t pointerIndex) const {
+ return getCurrentPointerCoords(pointerIndex).size;
+ }
+
+ inline size_t getHistorySize() const { return mSampleEventTimes.size() - 1; }
+
+ inline nsecs_t getHistoricalEventTime(size_t historicalIndex) const {
+ return mSampleEventTimes[historicalIndex];
+ }
+
+ inline float getHistoricalX(size_t pointerIndex, size_t historicalIndex) const {
+ return getHistoricalPointerCoords(pointerIndex, historicalIndex).x;
+ }
+
+ inline float getHistoricalY(size_t pointerIndex, size_t historicalIndex) const {
+ return getHistoricalPointerCoords(pointerIndex, historicalIndex).y;
+ }
+
+ inline float getHistoricalPressure(size_t pointerIndex, size_t historicalIndex) const {
+ return getHistoricalPointerCoords(pointerIndex, historicalIndex).pressure;
+ }
+
+ inline float getHistoricalSize(size_t pointerIndex, size_t historicalIndex) const {
+ return getHistoricalPointerCoords(pointerIndex, historicalIndex).size;
+ }
+
+ void initialize(
+ int32_t deviceId,
+ int32_t nature,
+ int32_t action,
+ int32_t edgeFlags,
+ int32_t metaState,
+ float rawX,
+ float rawY,
+ float xPrecision,
+ float yPrecision,
+ nsecs_t downTime,
+ nsecs_t eventTime,
+ size_t pointerCount,
+ const int32_t* pointerIds,
+ const PointerCoords* pointerCoords);
+
+ void addSample(
+ nsecs_t eventTime,
+ const PointerCoords* pointerCoords);
+
+ void offsetLocation(float xOffset, float yOffset);
+
+private:
+ int32_t mAction;
+ int32_t mEdgeFlags;
+ int32_t mMetaState;
+ float mRawX;
+ float mRawY;
+ float mXPrecision;
+ float mYPrecision;
+ nsecs_t mDownTime;
+ Vector<int32_t> mPointerIds;
+ Vector<nsecs_t> mSampleEventTimes;
+ Vector<PointerCoords> mSamplePointerCoords;
+
+ inline const PointerCoords& getCurrentPointerCoords(size_t pointerIndex) const {
+ return mSamplePointerCoords[getHistorySize() * getPointerCount() + pointerIndex];
+ }
+
+ inline const PointerCoords& getHistoricalPointerCoords(
+ size_t pointerIndex, size_t historicalIndex) const {
+ return mSamplePointerCoords[historicalIndex * getPointerCount() + pointerIndex];
+ }
+};
+
+/*
+ * Input event factory.
+ */
+class InputEventFactoryInterface {
+protected:
+ virtual ~InputEventFactoryInterface() { }
+
+public:
+ InputEventFactoryInterface() { }
+
+ virtual KeyEvent* createKeyEvent() = 0;
+ virtual MotionEvent* createMotionEvent() = 0;
+};
+
+/*
+ * A simple input event factory implementation that uses a single preallocated instance
+ * of each type of input event that are reused for each request.
+ */
+class PreallocatedInputEventFactory : public InputEventFactoryInterface {
+public:
+ PreallocatedInputEventFactory() { }
+ virtual ~PreallocatedInputEventFactory() { }
+
+ virtual KeyEvent* createKeyEvent() { return & mKeyEvent; }
+ virtual MotionEvent* createMotionEvent() { return & mMotionEvent; }
+
+private:
+ KeyEvent mKeyEvent;
+ MotionEvent mMotionEvent;
+};
+
+
+} // namespace android
+
+#endif // _UI_INPUT_H
diff --git a/include/ui/InputDispatchPolicy.h b/include/ui/InputDispatchPolicy.h
new file mode 100644
index 0000000..3546813
--- /dev/null
+++ b/include/ui/InputDispatchPolicy.h
@@ -0,0 +1,198 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _UI_INPUT_DISPATCH_POLICY_H
+#define _UI_INPUT_DISPATCH_POLICY_H
+
+/**
+ * Native input dispatch policy.
+ */
+
+#include <ui/Input.h>
+#include <utils/Errors.h>
+#include <utils/Vector.h>
+#include <utils/Timers.h>
+#include <utils/RefBase.h>
+#include <utils/String8.h>
+
+namespace android {
+
+class InputChannel;
+
+/*
+ * An input target specifies how an input event is to be dispatched to a particular window
+ * including the window's input channel, control flags, a timeout, and an X / Y offset to
+ * be added to input event coordinates to compensate for the absolute position of the
+ * window area.
+ */
+struct InputTarget {
+ enum {
+ /* This flag indicates that subsequent event delivery should be held until the
+ * current event is delivered to this target or a timeout occurs. */
+ FLAG_SYNC = 0x01,
+
+ /* This flag indicates that a MotionEvent with ACTION_DOWN falls outside of the area of
+ * this target and so should instead be delivered as an ACTION_OUTSIDE to this target. */
+ FLAG_OUTSIDE = 0x02,
+
+ /* This flag indicates that a KeyEvent or MotionEvent is being canceled.
+ * In the case of a key event, it should be delivered with KeyEvent.FLAG_CANCELED set.
+ * In the case of a motion event, it should be delivered as MotionEvent.ACTION_CANCEL. */
+ FLAG_CANCEL = 0x04
+ };
+
+ // The input channel to be targeted.
+ sp<InputChannel> inputChannel;
+
+ // Flags for the input target.
+ int32_t flags;
+
+ // The timeout for event delivery to this target in nanoseconds. Or -1 if none.
+ nsecs_t timeout;
+
+ // The x and y offset to add to a MotionEvent as it is delivered.
+ // (ignored for KeyEvents)
+ float xOffset, yOffset;
+};
+
+/*
+ * Input dispatch policy interface.
+ *
+ * The input dispatch policy is used by the input dispatcher to interact with the
+ * Window Manager and other system components. This separation of concerns keeps
+ * the input dispatcher relatively free of special case logic such as is required
+ * to determine the target of iput events, when to wake the device, how to interact
+ * with key guard, and when to transition to the home screen.
+ *
+ * The actual implementation is partially supported by callbacks into the DVM
+ * via JNI. This class is also mocked in the input dispatcher unit tests since
+ * it is an ideal test seam.
+ */
+class InputDispatchPolicyInterface : public virtual RefBase {
+protected:
+ InputDispatchPolicyInterface() { }
+ virtual ~InputDispatchPolicyInterface() { }
+
+public:
+ enum {
+ ROTATION_0 = 0,
+ ROTATION_90 = 1,
+ ROTATION_180 = 2,
+ ROTATION_270 = 3
+ };
+
+ enum {
+ // The input dispatcher should do nothing and discard the input unless other
+ // flags are set.
+ ACTION_NONE = 0,
+
+ // The input dispatcher should dispatch the input to the application.
+ ACTION_DISPATCH = 0x00000001,
+
+ // The input dispatcher should perform special filtering in preparation for
+ // a pending app switch.
+ ACTION_APP_SWITCH_COMING = 0x00000002,
+
+ // The input dispatcher should add POLICY_FLAG_WOKE_HERE to the policy flags it
+ // passes through the dispatch pipeline.
+ ACTION_WOKE_HERE = 0x00000004,
+
+ // The input dispatcher should add POLICY_FLAG_BRIGHT_HERE to the policy flags it
+ // passes through the dispatch pipeline.
+ ACTION_BRIGHT_HERE = 0x00000008
+ };
+
+ enum {
+ TOUCHSCREEN_UNDEFINED = 0,
+ TOUCHSCREEN_NOTOUCH = 1,
+ TOUCHSCREEN_STYLUS = 2,
+ TOUCHSCREEN_FINGER = 3
+ };
+
+ enum {
+ KEYBOARD_UNDEFINED = 0,
+ KEYBOARD_NOKEYS = 1,
+ KEYBOARD_QWERTY = 2,
+ KEYBOARD_12KEY = 3
+ };
+
+ enum {
+ NAVIGATION_UNDEFINED = 0,
+ NAVIGATION_NONAV = 1,
+ NAVIGATION_DPAD = 2,
+ NAVIGATION_TRACKBALL = 3,
+ NAVIGATION_WHEEL = 4
+ };
+
+ struct VirtualKeyDefinition {
+ int32_t scanCode;
+
+ // configured position data, specified in display coords
+ int32_t centerX;
+ int32_t centerY;
+ int32_t width;
+ int32_t height;
+ };
+
+ /* Gets information about the display with the specified id.
+ * Returns true if the display info is available, false otherwise.
+ */
+ virtual bool getDisplayInfo(int32_t displayId,
+ int32_t* width, int32_t* height, int32_t* orientation) = 0;
+
+ virtual void notifyConfigurationChanged(nsecs_t when,
+ int32_t touchScreenConfig, int32_t keyboardConfig, int32_t navigationConfig) = 0;
+
+ virtual void notifyLidSwitchChanged(nsecs_t when, bool lidOpen) = 0;
+
+ virtual void virtualKeyFeedback(nsecs_t when, int32_t deviceId,
+ int32_t action, int32_t flags, int32_t keyCode,
+ int32_t scanCode, int32_t metaState, nsecs_t downTime) = 0;
+
+ virtual int32_t interceptKey(nsecs_t when, int32_t deviceId,
+ bool down, int32_t keyCode, int32_t scanCode, uint32_t policyFlags) = 0;
+
+ virtual int32_t interceptTrackball(nsecs_t when, bool buttonChanged, bool buttonDown,
+ bool rolled) = 0;
+
+ virtual int32_t interceptTouch(nsecs_t when) = 0;
+
+ virtual bool allowKeyRepeat() = 0;
+ virtual nsecs_t getKeyRepeatTimeout() = 0;
+
+ virtual void getKeyEventTargets(KeyEvent* keyEvent, uint32_t policyFlags,
+ Vector<InputTarget>& outTargets) = 0;
+ virtual void getMotionEventTargets(MotionEvent* motionEvent, uint32_t policyFlags,
+ Vector<InputTarget>& outTargets) = 0;
+
+ /* Determine whether to turn on some hacks we have to improve the touch interaction with a
+ * certain device whose screen currently is not all that good.
+ */
+ virtual bool filterTouchEvents() = 0;
+
+ /* Determine whether to turn on some hacks to improve touch interaction with another device
+ * where touch coordinate data can get corrupted.
+ */
+ virtual bool filterJumpyTouchEvents() = 0;
+
+ virtual void getVirtualKeyDefinitions(const String8& deviceName,
+ Vector<VirtualKeyDefinition>& outVirtualKeyDefinitions) = 0;
+ virtual void getExcludedDeviceNames(Vector<String8>& outExcludedDeviceNames) = 0;
+};
+
+} // namespace android
+
+#endif // _UI_INPUT_DISPATCH_POLICY_H
diff --git a/include/ui/InputDispatcher.h b/include/ui/InputDispatcher.h
new file mode 100644
index 0000000..bde07f2
--- /dev/null
+++ b/include/ui/InputDispatcher.h
@@ -0,0 +1,409 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _UI_INPUT_DISPATCHER_H
+#define _UI_INPUT_DISPATCHER_H
+
+#include <ui/Input.h>
+#include <ui/InputDispatchPolicy.h>
+#include <ui/InputTransport.h>
+#include <utils/KeyedVector.h>
+#include <utils/Vector.h>
+#include <utils/threads.h>
+#include <utils/Timers.h>
+#include <utils/RefBase.h>
+#include <utils/String8.h>
+#include <utils/PollLoop.h>
+#include <utils/Pool.h>
+
+#include <stddef.h>
+#include <unistd.h>
+
+
+namespace android {
+
+/* Notifies the system about input events generated by the input reader.
+ * The dispatcher is expected to be mostly asynchronous. */
+class InputDispatcherInterface : public virtual RefBase {
+protected:
+ InputDispatcherInterface() { }
+ virtual ~InputDispatcherInterface() { }
+
+public:
+ /* Runs a single iteration of the dispatch loop.
+ * Nominally processes one queued event, a timeout, or a response from an input consumer.
+ *
+ * This method should only be called on the input dispatcher thread.
+ */
+ virtual void dispatchOnce() = 0;
+
+ /* Notifies the dispatcher about new events.
+ * The dispatcher will process most of these events asynchronously although some
+ * policy processing may occur synchronously.
+ *
+ * These methods should only be called on the input reader thread.
+ */
+ virtual void notifyConfigurationChanged(nsecs_t eventTime,
+ int32_t touchScreenConfig, int32_t keyboardConfig, int32_t navigationConfig) = 0;
+ virtual void notifyLidSwitchChanged(nsecs_t eventTime, bool lidOpen) = 0;
+ virtual void notifyAppSwitchComing(nsecs_t eventTime) = 0;
+ virtual void notifyKey(nsecs_t eventTime, int32_t deviceId, int32_t nature,
+ uint32_t policyFlags, int32_t action, int32_t flags, int32_t keyCode,
+ int32_t scanCode, int32_t metaState, nsecs_t downTime) = 0;
+ virtual void notifyMotion(nsecs_t eventTime, int32_t deviceId, int32_t nature,
+ uint32_t policyFlags, int32_t action, int32_t metaState, int32_t edgeFlags,
+ uint32_t pointerCount, const int32_t* pointerIds, const PointerCoords* pointerCoords,
+ float xPrecision, float yPrecision, nsecs_t downTime) = 0;
+
+ /* Registers or unregister input channels that may be used as targets for input events.
+ *
+ * These methods may be called on any thread (usually by the input manager).
+ */
+ virtual status_t registerInputChannel(const sp<InputChannel>& inputChannel) = 0;
+ virtual status_t unregisterInputChannel(const sp<InputChannel>& inputChannel) = 0;
+};
+
+/* Dispatches events. */
+class InputDispatcher : public InputDispatcherInterface {
+protected:
+ virtual ~InputDispatcher();
+
+public:
+ explicit InputDispatcher(const sp<InputDispatchPolicyInterface>& policy);
+
+ virtual void dispatchOnce();
+
+ virtual void notifyConfigurationChanged(nsecs_t eventTime,
+ int32_t touchScreenConfig, int32_t keyboardConfig, int32_t navigationConfig);
+ virtual void notifyLidSwitchChanged(nsecs_t eventTime, bool lidOpen);
+ virtual void notifyAppSwitchComing(nsecs_t eventTime);
+ virtual void notifyKey(nsecs_t eventTime, int32_t deviceId, int32_t nature,
+ uint32_t policyFlags, int32_t action, int32_t flags, int32_t keyCode,
+ int32_t scanCode, int32_t metaState, nsecs_t downTime);
+ virtual void notifyMotion(nsecs_t eventTime, int32_t deviceId, int32_t nature,
+ uint32_t policyFlags, int32_t action, int32_t metaState, int32_t edgeFlags,
+ uint32_t pointerCount, const int32_t* pointerIds, const PointerCoords* pointerCoords,
+ float xPrecision, float yPrecision, nsecs_t downTime);
+
+ virtual status_t registerInputChannel(const sp<InputChannel>& inputChannel);
+ virtual status_t unregisterInputChannel(const sp<InputChannel>& inputChannel);
+
+private:
+ template <typename T>
+ struct Link {
+ T* next;
+ T* prev;
+ };
+
+ struct EventEntry : Link<EventEntry> {
+ enum {
+ TYPE_SENTINEL,
+ TYPE_CONFIGURATION_CHANGED,
+ TYPE_KEY,
+ TYPE_MOTION
+ };
+
+ int32_t refCount;
+ int32_t type;
+ nsecs_t eventTime;
+ };
+
+ struct ConfigurationChangedEntry : EventEntry {
+ int32_t touchScreenConfig;
+ int32_t keyboardConfig;
+ int32_t navigationConfig;
+ };
+
+ struct KeyEntry : EventEntry {
+ int32_t deviceId;
+ int32_t nature;
+ uint32_t policyFlags;
+ int32_t action;
+ int32_t flags;
+ int32_t keyCode;
+ int32_t scanCode;
+ int32_t metaState;
+ int32_t repeatCount;
+ nsecs_t downTime;
+ };
+
+ struct MotionSample {
+ MotionSample* next;
+
+ nsecs_t eventTime;
+ PointerCoords pointerCoords[MAX_POINTERS];
+ };
+
+ struct MotionEntry : EventEntry {
+ int32_t deviceId;
+ int32_t nature;
+ uint32_t policyFlags;
+ int32_t action;
+ int32_t metaState;
+ int32_t edgeFlags;
+ float xPrecision;
+ float yPrecision;
+ nsecs_t downTime;
+ uint32_t pointerCount;
+ int32_t pointerIds[MAX_POINTERS];
+
+ // Linked list of motion samples associated with this motion event.
+ MotionSample firstSample;
+ MotionSample* lastSample;
+ };
+
+ struct DispatchEntry : Link<DispatchEntry> {
+ EventEntry* eventEntry; // the event to dispatch
+ int32_t targetFlags;
+ float xOffset;
+ float yOffset;
+ nsecs_t timeout;
+
+ // True if dispatch has started.
+ bool inProgress;
+
+ // For motion events:
+ // Pointer to the first motion sample to dispatch in this cycle.
+ // Usually NULL to indicate that the list of motion samples begins at
+ // MotionEntry::firstSample. Otherwise, some samples were dispatched in a previous
+ // cycle and this pointer indicates the location of the first remainining sample
+ // to dispatch during the current cycle.
+ MotionSample* headMotionSample;
+ // Pointer to a motion sample to dispatch in the next cycle if the dispatcher was
+ // unable to send all motion samples during this cycle. On the next cycle,
+ // headMotionSample will be initialized to tailMotionSample and tailMotionSample
+ // will be set to NULL.
+ MotionSample* tailMotionSample;
+ };
+
+ template <typename T>
+ struct Queue {
+ T head;
+ T tail;
+
+ inline Queue() {
+ head.prev = NULL;
+ head.next = & tail;
+ tail.prev = & head;
+ tail.next = NULL;
+ }
+
+ inline bool isEmpty() {
+ return head.next == & tail;
+ }
+
+ inline void enqueueAtTail(T* entry) {
+ T* last = tail.prev;
+ last->next = entry;
+ entry->prev = last;
+ entry->next = & tail;
+ tail.prev = entry;
+ }
+
+ inline void enqueueAtHead(T* entry) {
+ T* first = head.next;
+ head.next = entry;
+ entry->prev = & head;
+ entry->next = first;
+ first->prev = entry;
+ }
+
+ inline void dequeue(T* entry) {
+ entry->prev->next = entry->next;
+ entry->next->prev = entry->prev;
+ }
+
+ inline T* dequeueAtHead() {
+ T* first = head.next;
+ dequeue(first);
+ return first;
+ }
+ };
+
+ /* Allocates queue entries and performs reference counting as needed. */
+ class Allocator {
+ public:
+ Allocator();
+
+ ConfigurationChangedEntry* obtainConfigurationChangedEntry();
+ KeyEntry* obtainKeyEntry();
+ MotionEntry* obtainMotionEntry();
+ DispatchEntry* obtainDispatchEntry(EventEntry* eventEntry);
+
+ void releaseEventEntry(EventEntry* entry);
+ void releaseConfigurationChangedEntry(ConfigurationChangedEntry* entry);
+ void releaseKeyEntry(KeyEntry* entry);
+ void releaseMotionEntry(MotionEntry* entry);
+ void releaseDispatchEntry(DispatchEntry* entry);
+
+ void appendMotionSample(MotionEntry* motionEntry,
+ nsecs_t eventTime, int32_t pointerCount, const PointerCoords* pointerCoords);
+ void freeMotionSample(MotionSample* sample);
+ void freeMotionSampleList(MotionSample* head);
+
+ private:
+ Pool<ConfigurationChangedEntry> mConfigurationChangeEntryPool;
+ Pool<KeyEntry> mKeyEntryPool;
+ Pool<MotionEntry> mMotionEntryPool;
+ Pool<MotionSample> mMotionSamplePool;
+ Pool<DispatchEntry> mDispatchEntryPool;
+ };
+
+ /* Manages the dispatch state associated with a single input channel. */
+ class Connection : public RefBase {
+ protected:
+ virtual ~Connection();
+
+ public:
+ enum Status {
+ // Everything is peachy.
+ STATUS_NORMAL,
+ // An unrecoverable communication error has occurred.
+ STATUS_BROKEN,
+ // The client is not responding.
+ STATUS_NOT_RESPONDING,
+ // The input channel has been unregistered.
+ STATUS_ZOMBIE
+ };
+
+ Status status;
+ sp<InputChannel> inputChannel;
+ InputPublisher inputPublisher;
+ Queue<DispatchEntry> outboundQueue;
+ nsecs_t nextTimeoutTime; // next timeout time (LONG_LONG_MAX if none)
+
+ nsecs_t lastEventTime; // the time when the event was originally captured
+ nsecs_t lastDispatchTime; // the time when the last event was dispatched
+ nsecs_t lastANRTime; // the time when the last ANR was recorded
+
+ explicit Connection(const sp<InputChannel>& inputChannel);
+
+ inline const char* getInputChannelName() { return inputChannel->getName().string(); }
+
+ // Finds a DispatchEntry in the outbound queue associated with the specified event.
+ // Returns NULL if not found.
+ DispatchEntry* findQueuedDispatchEntryForEvent(const EventEntry* eventEntry) const;
+
+ // Determine whether this connection has a pending synchronous dispatch target.
+ // Since there can only ever be at most one such target at a time, if there is one,
+ // it must be at the tail because nothing else can be enqueued after it.
+ inline bool hasPendingSyncTarget() {
+ return ! outboundQueue.isEmpty()
+ && (outboundQueue.tail.prev->targetFlags & InputTarget::FLAG_SYNC);
+ }
+
+ // Gets the time since the current event was originally obtained from the input driver.
+ inline double getEventLatencyMillis(nsecs_t currentTime) {
+ return (currentTime - lastEventTime) / 1000000.0;
+ }
+
+ // Gets the time since the current event entered the outbound dispatch queue.
+ inline double getDispatchLatencyMillis(nsecs_t currentTime) {
+ return (currentTime - lastDispatchTime) / 1000000.0;
+ }
+
+ // Gets the time since the current event ANR was declared, if applicable.
+ inline double getANRLatencyMillis(nsecs_t currentTime) {
+ return (currentTime - lastANRTime) / 1000000.0;
+ }
+
+ status_t initialize();
+ };
+
+ sp<InputDispatchPolicyInterface> mPolicy;
+
+ Mutex mLock;
+
+ Queue<EventEntry> mInboundQueue;
+ Allocator mAllocator;
+
+ sp<PollLoop> mPollLoop;
+
+ // All registered connections mapped by receive pipe file descriptor.
+ KeyedVector<int, sp<Connection> > mConnectionsByReceiveFd;
+
+ // Active connections are connections that have a non-empty outbound queue.
+ Vector<Connection*> mActiveConnections;
+
+ // Pool of key and motion event objects used only to ask the input dispatch policy
+ // for the targets of an event that is to be dispatched.
+ KeyEvent mReusableKeyEvent;
+ MotionEvent mReusableMotionEvent;
+
+ // The input targets that were most recently identified for dispatch.
+ // If there is a synchronous event dispatch in progress, the current input targets will
+ // remain unchanged until the dispatch has completed or been aborted.
+ Vector<InputTarget> mCurrentInputTargets;
+
+ // Key repeat tracking.
+ // XXX Move this up to the input reader instead.
+ struct KeyRepeatState {
+ KeyEntry* lastKeyEntry; // or null if no repeat
+ nsecs_t nextRepeatTime;
+ } mKeyRepeatState;
+
+ void resetKeyRepeatLocked();
+
+ // Process events that have just been dequeued from the head of the input queue.
+ void processConfigurationChangedLocked(nsecs_t currentTime, ConfigurationChangedEntry* entry);
+ void processKeyLocked(nsecs_t currentTime, KeyEntry* entry);
+ void processKeyRepeatLocked(nsecs_t currentTime);
+ void processMotionLocked(nsecs_t currentTime, MotionEntry* entry);
+
+ // Identify input targets for an event and dispatch to them.
+ void identifyInputTargetsAndDispatchKeyLocked(nsecs_t currentTime, KeyEntry* entry);
+ void identifyInputTargetsAndDispatchMotionLocked(nsecs_t currentTime, MotionEntry* entry);
+ void dispatchEventToCurrentInputTargetsLocked(nsecs_t currentTime, EventEntry* entry,
+ bool resumeWithAppendedMotionSample);
+
+ // Manage the dispatch cycle for a single connection.
+ void prepareDispatchCycleLocked(nsecs_t currentTime, Connection* connection,
+ EventEntry* eventEntry, const InputTarget* inputTarget,
+ bool resumeWithAppendedMotionSample);
+ void startDispatchCycleLocked(nsecs_t currentTime, Connection* connection);
+ void finishDispatchCycleLocked(nsecs_t currentTime, Connection* connection);
+ bool timeoutDispatchCycleLocked(nsecs_t currentTime, Connection* connection);
+ bool abortDispatchCycleLocked(nsecs_t currentTime, Connection* connection,
+ bool broken);
+ static bool handleReceiveCallback(int receiveFd, int events, void* data);
+
+ // Add or remove a connection to the mActiveConnections vector.
+ void activateConnectionLocked(Connection* connection);
+ void deactivateConnectionLocked(Connection* connection);
+
+ // Interesting events that we might like to log or tell the framework about.
+ void onDispatchCycleStartedLocked(nsecs_t currentTime, Connection* connection);
+ void onDispatchCycleFinishedLocked(nsecs_t currentTime, Connection* connection,
+ bool recoveredFromANR);
+ void onDispatchCycleANRLocked(nsecs_t currentTime, Connection* connection);
+ void onDispatchCycleBrokenLocked(nsecs_t currentTime, Connection* connection);
+};
+
+/* Enqueues and dispatches input events, endlessly. */
+class InputDispatcherThread : public Thread {
+public:
+ explicit InputDispatcherThread(const sp<InputDispatcherInterface>& dispatcher);
+ ~InputDispatcherThread();
+
+private:
+ virtual bool threadLoop();
+
+ sp<InputDispatcherInterface> mDispatcher;
+};
+
+} // namespace android
+
+#endif // _UI_INPUT_DISPATCHER_PRIV_H
diff --git a/include/ui/InputManager.h b/include/ui/InputManager.h
new file mode 100644
index 0000000..eb27513
--- /dev/null
+++ b/include/ui/InputManager.h
@@ -0,0 +1,134 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _UI_INPUT_MANAGER_H
+#define _UI_INPUT_MANAGER_H
+
+/**
+ * Native input manager.
+ */
+
+#include <ui/EventHub.h>
+#include <ui/Input.h>
+#include <ui/InputDispatchPolicy.h>
+#include <utils/Errors.h>
+#include <utils/Vector.h>
+#include <utils/Timers.h>
+#include <utils/RefBase.h>
+#include <utils/String8.h>
+
+namespace android {
+
+class InputReader;
+class InputDispatcher;
+class InputReaderThread;
+class InputDispatcherThread;
+
+/*
+ * The input manager is the core of the system event processing.
+ *
+ * The input manager uses two threads.
+ *
+ * 1. The InputReaderThread (called "InputReader") reads and preprocesses raw input events,
+ * applies policy, and posts messages to a queue managed by the DispatcherThread.
+ * 2. The InputDispatcherThread (called "InputDispatcher") thread waits for new events on the
+ * queue and asynchronously dispatches them to applications.
+ *
+ * By design, the InputReaderThread class and InputDispatcherThread class do not share any
+ * internal state. Moreover, all communication is done one way from the InputReaderThread
+ * into the InputDispatcherThread and never the reverse. Both classes may interact with the
+ * InputDispatchPolicy, however.
+ *
+ * The InputManager class never makes any calls into Java itself. Instead, the
+ * InputDispatchPolicy is responsible for performing all external interactions with the
+ * system, including calling DVM services.
+ */
+class InputManagerInterface : public virtual RefBase {
+protected:
+ InputManagerInterface() { }
+ virtual ~InputManagerInterface() { }
+
+public:
+ /* Starts the input manager threads. */
+ virtual status_t start() = 0;
+
+ /* Stops the input manager threads and waits for them to exit. */
+ virtual status_t stop() = 0;
+
+ /* Registers an input channel prior to using it as the target of an event. */
+ virtual status_t registerInputChannel(const sp<InputChannel>& inputChannel) = 0;
+
+ /* Unregisters an input channel. */
+ virtual status_t unregisterInputChannel(const sp<InputChannel>& inputChannel) = 0;
+
+ /*
+ * Query current input state.
+ * deviceId may be -1 to search for the device automatically, filtered by class.
+ * deviceClasses may be -1 to ignore device class while searching.
+ */
+ virtual int32_t getScanCodeState(int32_t deviceId, int32_t deviceClasses,
+ int32_t scanCode) const = 0;
+ virtual int32_t getKeyCodeState(int32_t deviceId, int32_t deviceClasses,
+ int32_t keyCode) const = 0;
+ virtual int32_t getSwitchState(int32_t deviceId, int32_t deviceClasses,
+ int32_t sw) const = 0;
+
+ /* Determine whether physical keys exist for the given framework-domain key codes. */
+ virtual bool hasKeys(size_t numCodes, const int32_t* keyCodes, uint8_t* outFlags) const = 0;
+};
+
+class InputManager : public InputManagerInterface {
+protected:
+ virtual ~InputManager();
+
+public:
+ /*
+ * Creates an input manager that reads events from the given
+ * event hub and applies the given input dispatch policy.
+ */
+ InputManager(const sp<EventHubInterface>& eventHub,
+ const sp<InputDispatchPolicyInterface>& policy);
+
+ virtual status_t start();
+ virtual status_t stop();
+
+ virtual status_t registerInputChannel(const sp<InputChannel>& inputChannel);
+ virtual status_t unregisterInputChannel(const sp<InputChannel>& inputChannel);
+
+ virtual int32_t getScanCodeState(int32_t deviceId, int32_t deviceClasses,
+ int32_t scanCode) const;
+ virtual int32_t getKeyCodeState(int32_t deviceId, int32_t deviceClasses,
+ int32_t keyCode) const;
+ virtual int32_t getSwitchState(int32_t deviceId, int32_t deviceClasses,
+ int32_t sw) const;
+ virtual bool hasKeys(size_t numCodes, const int32_t* keyCodes, uint8_t* outFlags) const;
+
+private:
+ sp<EventHubInterface> mEventHub;
+ sp<InputDispatchPolicyInterface> mPolicy;
+
+ sp<InputDispatcher> mDispatcher;
+ sp<InputDispatcherThread> mDispatcherThread;
+
+ sp<InputReader> mReader;
+ sp<InputReaderThread> mReaderThread;
+
+ void configureExcludedDevices();
+};
+
+} // namespace android
+
+#endif // _UI_INPUT_MANAGER_H
diff --git a/include/ui/InputReader.h b/include/ui/InputReader.h
new file mode 100644
index 0000000..7e7a64c
--- /dev/null
+++ b/include/ui/InputReader.h
@@ -0,0 +1,472 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _UI_INPUT_READER_H
+#define _UI_INPUT_READER_H
+
+#include <ui/EventHub.h>
+#include <ui/Input.h>
+#include <ui/InputDispatchPolicy.h>
+#include <ui/InputDispatcher.h>
+#include <utils/KeyedVector.h>
+#include <utils/threads.h>
+#include <utils/Timers.h>
+#include <utils/RefBase.h>
+#include <utils/String8.h>
+#include <utils/BitSet.h>
+
+#include <stddef.h>
+#include <unistd.h>
+
+/* Maximum pointer id value supported.
+ * (This is limited by our use of BitSet32 to track pointer assignments.) */
+#define MAX_POINTER_ID 32
+
+/** Amount that trackball needs to move in order to generate a key event. */
+#define TRACKBALL_MOVEMENT_THRESHOLD 6
+
+/* Slop distance for jumpy pointer detection.
+ * The vertical range of the screen divided by this is our epsilon value. */
+#define JUMPY_EPSILON_DIVISOR 212
+
+/* Number of jumpy points to drop for touchscreens that need it. */
+#define JUMPY_TRANSITION_DROPS 3
+#define JUMPY_DROP_LIMIT 3
+
+/* Maximum squared distance for averaging.
+ * If moving farther than this, turn of averaging to avoid lag in response. */
+#define AVERAGING_DISTANCE_LIMIT (75 * 75)
+
+/* Maximum number of historical samples to average. */
+#define AVERAGING_HISTORY_SIZE 5
+
+
+namespace android {
+
+extern int32_t updateMetaState(int32_t keyCode, bool down, int32_t oldMetaState);
+extern int32_t rotateKeyCode(int32_t keyCode, int32_t orientation);
+
+/*
+ * An input device structure tracks the state of a single input device.
+ *
+ * This structure is only used by ReaderThread and is not intended to be shared with
+ * DispatcherThread (because that would require locking). This works out fine because
+ * DispatcherThread is only interested in cooked event data anyways and does not need
+ * any of the low-level data from InputDevice.
+ */
+struct InputDevice {
+ struct AbsoluteAxisInfo {
+ int32_t minValue; // minimum value
+ int32_t maxValue; // maximum value
+ int32_t range; // range of values, equal to maxValue - minValue
+ int32_t flat; // center flat position, eg. flat == 8 means center is between -8 and 8
+ int32_t fuzz; // error tolerance, eg. fuzz == 4 means value is +/- 4 due to noise
+ };
+
+ struct VirtualKey {
+ int32_t keyCode;
+ int32_t scanCode;
+ uint32_t flags;
+
+ // computed hit box, specified in touch screen coords based on known display size
+ int32_t hitLeft;
+ int32_t hitTop;
+ int32_t hitRight;
+ int32_t hitBottom;
+
+ inline bool isHit(int32_t x, int32_t y) const {
+ return x >= hitLeft && x <= hitRight && y >= hitTop && y <= hitBottom;
+ }
+ };
+
+ struct KeyboardState {
+ struct Current {
+ int32_t metaState;
+ nsecs_t downTime; // time of most recent key down
+ } current;
+
+ void reset();
+ };
+
+ struct TrackballState {
+ struct Accumulator {
+ enum {
+ FIELD_BTN_MOUSE = 1,
+ FIELD_REL_X = 2,
+ FIELD_REL_Y = 4
+ };
+
+ uint32_t fields;
+
+ bool btnMouse;
+ int32_t relX;
+ int32_t relY;
+
+ inline void clear() {
+ fields = 0;
+ }
+
+ inline bool isDirty() {
+ return fields != 0;
+ }
+ } accumulator;
+
+ struct Current {
+ bool down;
+ nsecs_t downTime;
+ } current;
+
+ struct Precalculated {
+ float xScale;
+ float yScale;
+ float xPrecision;
+ float yPrecision;
+ } precalculated;
+
+ void reset();
+ };
+
+ struct SingleTouchScreenState {
+ struct Accumulator {
+ enum {
+ FIELD_BTN_TOUCH = 1,
+ FIELD_ABS_X = 2,
+ FIELD_ABS_Y = 4,
+ FIELD_ABS_PRESSURE = 8,
+ FIELD_ABS_TOOL_WIDTH = 16
+ };
+
+ uint32_t fields;
+
+ bool btnTouch;
+ int32_t absX;
+ int32_t absY;
+ int32_t absPressure;
+ int32_t absToolWidth;
+
+ inline void clear() {
+ fields = 0;
+ }
+
+ inline bool isDirty() {
+ return fields != 0;
+ }
+ } accumulator;
+
+ struct Current {
+ bool down;
+ int32_t x;
+ int32_t y;
+ int32_t pressure;
+ int32_t size;
+ } current;
+
+ void reset();
+ };
+
+ struct MultiTouchScreenState {
+ struct Accumulator {
+ enum {
+ FIELD_ABS_MT_POSITION_X = 1,
+ FIELD_ABS_MT_POSITION_Y = 2,
+ FIELD_ABS_MT_TOUCH_MAJOR = 4,
+ FIELD_ABS_MT_WIDTH_MAJOR = 8,
+ FIELD_ABS_MT_TRACKING_ID = 16
+ };
+
+ uint32_t pointerCount;
+ struct Pointer {
+ uint32_t fields;
+
+ int32_t absMTPositionX;
+ int32_t absMTPositionY;
+ int32_t absMTTouchMajor;
+ int32_t absMTWidthMajor;
+ int32_t absMTTrackingId;
+
+ inline void clear() {
+ fields = 0;
+ }
+ } pointers[MAX_POINTERS + 1]; // + 1 to remove the need for extra range checks
+
+ inline void clear() {
+ pointerCount = 0;
+ pointers[0].clear();
+ }
+
+ inline bool isDirty() {
+ return pointerCount != 0;
+ }
+ } accumulator;
+
+ void reset();
+ };
+
+ struct PointerData {
+ uint32_t id;
+ int32_t x;
+ int32_t y;
+ int32_t pressure;
+ int32_t size;
+ };
+
+ struct TouchData {
+ uint32_t pointerCount;
+ PointerData pointers[MAX_POINTERS];
+ BitSet32 idBits;
+ uint32_t idToIndex[MAX_POINTER_ID];
+
+ void copyFrom(const TouchData& other);
+
+ inline void clear() {
+ pointerCount = 0;
+ idBits.clear();
+ }
+ };
+
+ // common state used for both single-touch and multi-touch screens after the initial
+ // touch decoding has been performed
+ struct TouchScreenState {
+ Vector<VirtualKey> virtualKeys;
+
+ struct Parameters {
+ bool useBadTouchFilter;
+ bool useJumpyTouchFilter;
+ bool useAveragingTouchFilter;
+
+ AbsoluteAxisInfo xAxis;
+ AbsoluteAxisInfo yAxis;
+ AbsoluteAxisInfo pressureAxis;
+ AbsoluteAxisInfo sizeAxis;
+ } parameters;
+
+ // The touch data of the current sample being processed.
+ TouchData currentTouch;
+
+ // The touch data of the previous sample that was processed. This is updated
+ // incrementally while the current sample is being processed.
+ TouchData lastTouch;
+
+ // The time the primary pointer last went down.
+ nsecs_t downTime;
+
+ struct CurrentVirtualKeyState {
+ bool down;
+ nsecs_t downTime;
+ int32_t keyCode;
+ int32_t scanCode;
+ } currentVirtualKey;
+
+ struct AveragingTouchFilterState {
+ // Individual history tracks are stored by pointer id
+ uint32_t historyStart[MAX_POINTERS];
+ uint32_t historyEnd[MAX_POINTERS];
+ struct {
+ struct {
+ int32_t x;
+ int32_t y;
+ int32_t pressure;
+ } pointers[MAX_POINTERS];
+ } historyData[AVERAGING_HISTORY_SIZE];
+ } averagingTouchFilter;
+
+ struct JumpTouchFilterState {
+ int32_t jumpyPointsDropped;
+ } jumpyTouchFilter;
+
+ struct Precalculated {
+ float xScale;
+ float yScale;
+ float pressureScale;
+ float sizeScale;
+ } precalculated;
+
+ void reset();
+
+ bool applyBadTouchFilter();
+ bool applyJumpyTouchFilter();
+ void applyAveragingTouchFilter();
+ void calculatePointerIds();
+
+ bool isPointInsideDisplay(int32_t x, int32_t y) const;
+ };
+
+ InputDevice(int32_t id, uint32_t classes, String8 name);
+
+ int32_t id;
+ uint32_t classes;
+ String8 name;
+ bool ignored;
+
+ KeyboardState keyboard;
+ TrackballState trackball;
+ TouchScreenState touchScreen;
+ union {
+ SingleTouchScreenState singleTouchScreen;
+ MultiTouchScreenState multiTouchScreen;
+ };
+
+ void reset();
+
+ inline bool isKeyboard() const { return classes & INPUT_DEVICE_CLASS_KEYBOARD; }
+ inline bool isAlphaKey() const { return classes & INPUT_DEVICE_CLASS_ALPHAKEY; }
+ inline bool isTrackball() const { return classes & INPUT_DEVICE_CLASS_TRACKBALL; }
+ inline bool isDPad() const { return classes & INPUT_DEVICE_CLASS_DPAD; }
+ inline bool isSingleTouchScreen() const { return (classes
+ & (INPUT_DEVICE_CLASS_TOUCHSCREEN | INPUT_DEVICE_CLASS_TOUCHSCREEN_MT))
+ == INPUT_DEVICE_CLASS_TOUCHSCREEN; }
+ inline bool isMultiTouchScreen() const { return classes
+ & INPUT_DEVICE_CLASS_TOUCHSCREEN_MT; }
+ inline bool isTouchScreen() const { return classes
+ & (INPUT_DEVICE_CLASS_TOUCHSCREEN | INPUT_DEVICE_CLASS_TOUCHSCREEN_MT); }
+};
+
+
+/* Processes raw input events and sends cooked event data to an input dispatcher
+ * in accordance with the input dispatch policy. */
+class InputReaderInterface : public virtual RefBase {
+protected:
+ InputReaderInterface() { }
+ virtual ~InputReaderInterface() { }
+
+public:
+ /* Runs a single iteration of the processing loop.
+ * Nominally reads and processes one incoming message from the EventHub.
+ *
+ * This method should be called on the input reader thread.
+ */
+ virtual void loopOnce() = 0;
+
+ /* Gets the current virtual key. Returns false if not down.
+ *
+ * This method may be called on any thread (usually by the input manager).
+ */
+ virtual bool getCurrentVirtualKey(int32_t* outKeyCode, int32_t* outScanCode) const = 0;
+};
+
+/* The input reader reads raw event data from the event hub and processes it into input events
+ * that it sends to the input dispatcher. Some functions of the input reader are controlled
+ * by the input dispatch policy, such as early event filtering in low power states.
+ */
+class InputReader : public InputReaderInterface {
+public:
+ InputReader(const sp<EventHubInterface>& eventHub,
+ const sp<InputDispatchPolicyInterface>& policy,
+ const sp<InputDispatcherInterface>& dispatcher);
+ virtual ~InputReader();
+
+ virtual void loopOnce();
+
+ virtual bool getCurrentVirtualKey(int32_t* outKeyCode, int32_t* outScanCode) const;
+
+private:
+ // Lock that must be acquired while manipulating state that may be concurrently accessed
+ // from other threads by input state query methods. It should be held for as short a
+ // time as possible.
+ //
+ // Exported state:
+ // - global virtual key code and scan code
+ // - device list and immutable properties of devices such as id, name, and class
+ // (but not other internal device state)
+ mutable Mutex mExportedStateLock;
+
+ // current virtual key information
+ int32_t mGlobalVirtualKeyCode;
+ int32_t mGlobalVirtualScanCode;
+
+ // combined key meta state
+ int32_t mGlobalMetaState;
+
+ sp<EventHubInterface> mEventHub;
+ sp<InputDispatchPolicyInterface> mPolicy;
+ sp<InputDispatcherInterface> mDispatcher;
+
+ KeyedVector<int32_t, InputDevice*> mDevices;
+
+ // display properties needed to translate touch screen coordinates into display coordinates
+ int32_t mDisplayOrientation;
+ int32_t mDisplayWidth;
+ int32_t mDisplayHeight;
+
+ // low-level input event decoding
+ void process(const RawEvent* rawEvent);
+ void handleDeviceAdded(const RawEvent* rawEvent);
+ void handleDeviceRemoved(const RawEvent* rawEvent);
+ void handleSync(const RawEvent* rawEvent);
+ void handleKey(const RawEvent* rawEvent);
+ void handleRelativeMotion(const RawEvent* rawEvent);
+ void handleAbsoluteMotion(const RawEvent* rawEvent);
+ void handleSwitch(const RawEvent* rawEvent);
+
+ // input policy processing and dispatch
+ void onKey(nsecs_t when, InputDevice* device, bool down,
+ int32_t keyCode, int32_t scanCode, uint32_t policyFlags);
+ void onSwitch(nsecs_t when, InputDevice* device, bool down, int32_t code);
+ void onSingleTouchScreenStateChanged(nsecs_t when, InputDevice* device);
+ void onMultiTouchScreenStateChanged(nsecs_t when, InputDevice* device);
+ void onTouchScreenChanged(nsecs_t when, InputDevice* device, bool havePointerIds);
+ void onTrackballStateChanged(nsecs_t when, InputDevice* device);
+ void onConfigurationChanged(nsecs_t when);
+
+ bool applyStandardInputDispatchPolicyActions(nsecs_t when,
+ int32_t policyActions, uint32_t* policyFlags);
+
+ bool consumeVirtualKeyTouches(nsecs_t when, InputDevice* device, uint32_t policyFlags);
+ void dispatchVirtualKey(nsecs_t when, InputDevice* device, uint32_t policyFlags,
+ int32_t keyEventAction, int32_t keyEventFlags);
+ void dispatchTouches(nsecs_t when, InputDevice* device, uint32_t policyFlags);
+ void dispatchTouch(nsecs_t when, InputDevice* device, uint32_t policyFlags,
+ InputDevice::TouchData* touch, BitSet32 idBits, int32_t motionEventAction);
+
+ // display
+ void resetDisplayProperties();
+ bool refreshDisplayProperties();
+
+ // device management
+ InputDevice* getDevice(int32_t deviceId);
+ InputDevice* getNonIgnoredDevice(int32_t deviceId);
+ void addDevice(nsecs_t when, int32_t deviceId);
+ void removeDevice(nsecs_t when, InputDevice* device);
+ void configureDevice(InputDevice* device);
+ void configureDeviceForCurrentDisplaySize(InputDevice* device);
+ void configureVirtualKeys(InputDevice* device);
+ void configureAbsoluteAxisInfo(InputDevice* device, int axis, const char* name,
+ InputDevice::AbsoluteAxisInfo* out);
+
+ // global meta state management for all devices
+ void resetGlobalMetaState();
+ int32_t globalMetaState();
+
+ // virtual key management
+ void updateGlobalVirtualKeyState();
+};
+
+
+/* Reads raw events from the event hub and processes them, endlessly. */
+class InputReaderThread : public Thread {
+public:
+ InputReaderThread(const sp<InputReaderInterface>& reader);
+ virtual ~InputReaderThread();
+
+private:
+ sp<InputReaderInterface> mReader;
+
+ virtual bool threadLoop();
+};
+
+} // namespace android
+
+#endif // _UI_INPUT_READER_H
diff --git a/include/ui/InputTransport.h b/include/ui/InputTransport.h
new file mode 100644
index 0000000..9537523
--- /dev/null
+++ b/include/ui/InputTransport.h
@@ -0,0 +1,331 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _UI_INPUT_TRANSPORT_H
+#define _UI_INPUT_TRANSPORT_H
+
+/**
+ * Native input transport.
+ *
+ * Uses anonymous shared memory as a whiteboard for sending input events from an
+ * InputPublisher to an InputConsumer and ensuring appropriate synchronization.
+ * One interesting feature is that published events can be updated in place as long as they
+ * have not yet been consumed.
+ *
+ * The InputPublisher and InputConsumer only take care of transferring event data
+ * over an InputChannel and sending synchronization signals. The InputDispatcher and InputQueue
+ * build on these abstractions to add multiplexing and queueing.
+ */
+
+#include <semaphore.h>
+#include <ui/Input.h>
+#include <utils/Errors.h>
+#include <utils/Timers.h>
+#include <utils/RefBase.h>
+#include <utils/String8.h>
+
+namespace android {
+
+/*
+ * An input channel consists of a shared memory buffer and a pair of pipes
+ * used to send input messages from an InputPublisher to an InputConsumer
+ * across processes. Each channel has a descriptive name for debugging purposes.
+ *
+ * Each endpoint has its own InputChannel object that specifies its own file descriptors.
+ *
+ * The input channel is closed when all references to it are released.
+ */
+class InputChannel : public RefBase {
+protected:
+ virtual ~InputChannel();
+
+public:
+ InputChannel(const String8& name, int32_t ashmemFd, int32_t receivePipeFd,
+ int32_t sendPipeFd);
+
+ /* Creates a pair of input channels and their underlying shared memory buffers
+ * and pipes.
+ *
+ * Returns OK on success.
+ */
+ static status_t openInputChannelPair(const String8& name,
+ InputChannel** outServerChannel, InputChannel** outClientChannel);
+
+ inline String8 getName() const { return mName; }
+ inline int32_t getAshmemFd() const { return mAshmemFd; }
+ inline int32_t getReceivePipeFd() const { return mReceivePipeFd; }
+ inline int32_t getSendPipeFd() const { return mSendPipeFd; }
+
+ /* Sends a signal to the other endpoint.
+ *
+ * Returns OK on success.
+ * Errors probably indicate that the channel is broken.
+ */
+ status_t sendSignal(char signal);
+
+ /* Receives a signal send by the other endpoint.
+ * (Should only call this after poll() indicates that the receivePipeFd has available input.)
+ *
+ * Returns OK on success.
+ * Returns WOULD_BLOCK if there is no signal present.
+ * Other errors probably indicate that the channel is broken.
+ */
+ status_t receiveSignal(char* outSignal);
+
+private:
+ String8 mName;
+ int32_t mAshmemFd;
+ int32_t mReceivePipeFd;
+ int32_t mSendPipeFd;
+};
+
+/*
+ * Private intermediate representation of input events as messages written into an
+ * ashmem buffer.
+ */
+struct InputMessage {
+ /* Semaphore count is set to 1 when the message is published.
+ * It becomes 0 transiently while the publisher updates the message.
+ * It becomes 0 permanently when the consumer consumes the message.
+ */
+ sem_t semaphore;
+
+ /* Initialized to false by the publisher.
+ * Set to true by the consumer when it consumes the message.
+ */
+ bool consumed;
+
+ int32_t type;
+
+ struct SampleData {
+ nsecs_t eventTime;
+ PointerCoords coords[0]; // variable length
+ };
+
+ int32_t deviceId;
+ int32_t nature;
+
+ union {
+ struct {
+ int32_t action;
+ int32_t flags;
+ int32_t keyCode;
+ int32_t scanCode;
+ int32_t metaState;
+ int32_t repeatCount;
+ nsecs_t downTime;
+ nsecs_t eventTime;
+ } key;
+
+ struct {
+ int32_t action;
+ int32_t metaState;
+ int32_t edgeFlags;
+ nsecs_t downTime;
+ float xOffset;
+ float yOffset;
+ float xPrecision;
+ float yPrecision;
+ size_t pointerCount;
+ int32_t pointerIds[MAX_POINTERS];
+ size_t sampleCount;
+ SampleData sampleData[0]; // variable length
+ } motion;
+ };
+
+ /* Gets the number of bytes to add to step to the next SampleData object in a motion
+ * event message for a given number of pointers.
+ */
+ static inline size_t sampleDataStride(size_t pointerCount) {
+ return sizeof(InputMessage::SampleData) + pointerCount * sizeof(PointerCoords);
+ }
+
+ /* Adds the SampleData stride to the given pointer. */
+ static inline SampleData* sampleDataPtrIncrement(SampleData* ptr, size_t stride) {
+ return reinterpret_cast<InputMessage::SampleData*>(reinterpret_cast<char*>(ptr) + stride);
+ }
+};
+
+/*
+ * Publishes input events to an anonymous shared memory buffer.
+ * Uses atomic operations to coordinate shared access with a single concurrent consumer.
+ */
+class InputPublisher {
+public:
+ /* Creates a publisher associated with an input channel. */
+ explicit InputPublisher(const sp<InputChannel>& channel);
+
+ /* Destroys the publisher and releases its input channel. */
+ ~InputPublisher();
+
+ /* Gets the underlying input channel. */
+ inline sp<InputChannel> getChannel() { return mChannel; }
+
+ /* Prepares the publisher for use. Must be called before it is used.
+ * Returns OK on success.
+ *
+ * This method implicitly calls reset(). */
+ status_t initialize();
+
+ /* Resets the publisher to its initial state and unpins its ashmem buffer.
+ * Returns OK on success.
+ *
+ * Should be called after an event has been consumed to release resources used by the
+ * publisher until the next event is ready to be published.
+ */
+ status_t reset();
+
+ /* Publishes a key event to the ashmem buffer.
+ *
+ * Returns OK on success.
+ * Returns INVALID_OPERATION if the publisher has not been reset.
+ */
+ status_t publishKeyEvent(
+ int32_t deviceId,
+ int32_t nature,
+ int32_t action,
+ int32_t flags,
+ int32_t keyCode,
+ int32_t scanCode,
+ int32_t metaState,
+ int32_t repeatCount,
+ nsecs_t downTime,
+ nsecs_t eventTime);
+
+ /* Publishes a motion event to the ashmem buffer.
+ *
+ * Returns OK on success.
+ * Returns INVALID_OPERATION if the publisher has not been reset.
+ * Returns BAD_VALUE if pointerCount is less than 1 or greater than MAX_POINTERS.
+ */
+ status_t publishMotionEvent(
+ int32_t deviceId,
+ int32_t nature,
+ int32_t action,
+ int32_t edgeFlags,
+ int32_t metaState,
+ float xOffset,
+ float yOffset,
+ float xPrecision,
+ float yPrecision,
+ nsecs_t downTime,
+ nsecs_t eventTime,
+ size_t pointerCount,
+ const int32_t* pointerIds,
+ const PointerCoords* pointerCoords);
+
+ /* Appends a motion sample to a motion event unless already consumed.
+ *
+ * Returns OK on success.
+ * Returns INVALID_OPERATION if the current event is not a MOTION_EVENT_ACTION_MOVE event.
+ * Returns FAILED_TRANSACTION if the current event has already been consumed.
+ * Returns NO_MEMORY if the buffer is full and no additional samples can be added.
+ */
+ status_t appendMotionSample(
+ nsecs_t eventTime,
+ const PointerCoords* pointerCoords);
+
+ /* Sends a dispatch signal to the consumer to inform it that a new message is available.
+ *
+ * Returns OK on success.
+ * Errors probably indicate that the channel is broken.
+ */
+ status_t sendDispatchSignal();
+
+ /* Receives the finished signal from the consumer in reply to the original dispatch signal.
+ *
+ * Returns OK on success.
+ * Returns WOULD_BLOCK if there is no signal present.
+ * Other errors probably indicate that the channel is broken.
+ */
+ status_t receiveFinishedSignal();
+
+private:
+ sp<InputChannel> mChannel;
+
+ size_t mAshmemSize;
+ InputMessage* mSharedMessage;
+ bool mPinned;
+ bool mSemaphoreInitialized;
+ bool mWasDispatched;
+
+ size_t mMotionEventPointerCount;
+ InputMessage::SampleData* mMotionEventSampleDataTail;
+ size_t mMotionEventSampleDataStride;
+
+ status_t publishInputEvent(
+ int32_t type,
+ int32_t deviceId,
+ int32_t nature);
+};
+
+/*
+ * Consumes input events from an anonymous shared memory buffer.
+ * Uses atomic operations to coordinate shared access with a single concurrent publisher.
+ */
+class InputConsumer {
+public:
+ /* Creates a consumer associated with an input channel. */
+ explicit InputConsumer(const sp<InputChannel>& channel);
+
+ /* Destroys the consumer and releases its input channel. */
+ ~InputConsumer();
+
+ /* Gets the underlying input channel. */
+ inline sp<InputChannel> getChannel() { return mChannel; }
+
+ /* Prepares the consumer for use. Must be called before it is used. */
+ status_t initialize();
+
+ /* Consumes the input event in the buffer and copies its contents into
+ * an InputEvent object created using the specified factory.
+ * This operation will block if the publisher is updating the event.
+ *
+ * Returns OK on success.
+ * Returns INVALID_OPERATION if there is no currently published event.
+ * Returns NO_MEMORY if the event could not be created.
+ */
+ status_t consume(InputEventFactoryInterface* factory, InputEvent** event);
+
+ /* Sends a finished signal to the publisher to inform it that the current message is
+ * finished processing.
+ *
+ * Returns OK on success.
+ * Errors probably indicate that the channel is broken.
+ */
+ status_t sendFinishedSignal();
+
+ /* Receives the dispatched signal from the publisher.
+ *
+ * Returns OK on success.
+ * Returns WOULD_BLOCK if there is no signal present.
+ * Other errors probably indicate that the channel is broken.
+ */
+ status_t receiveDispatchSignal();
+
+private:
+ sp<InputChannel> mChannel;
+
+ size_t mAshmemSize;
+ InputMessage* mSharedMessage;
+
+ void populateKeyEvent(KeyEvent* keyEvent) const;
+ void populateMotionEvent(MotionEvent* motionEvent) const;
+};
+
+} // namespace android
+
+#endif // _UI_INPUT_TRANSPORT_H
diff --git a/include/utils/BitSet.h b/include/utils/BitSet.h
new file mode 100644
index 0000000..19c8bf0
--- /dev/null
+++ b/include/utils/BitSet.h
@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef UTILS_BITSET_H
+#define UTILS_BITSET_H
+
+#include <stdint.h>
+
+/*
+ * Contains some bit manipulation helpers.
+ */
+
+namespace android {
+
+// A simple set of 32 bits that can be individually marked or cleared.
+struct BitSet32 {
+ uint32_t value;
+
+ inline BitSet32() : value(0) { }
+ explicit inline BitSet32(uint32_t value) : value(value) { }
+
+ // Gets the value associated with a particular bit index.
+ static inline uint32_t valueForBit(uint32_t n) { return 0x80000000 >> n; }
+
+ // Clears the bit set.
+ inline void clear() { value = 0; }
+
+ // Returns true if the bit set does not contain any marked bits.
+ inline bool isEmpty() const { return ! value; }
+
+ // Returns true if the specified bit is marked.
+ inline bool hasBit(uint32_t n) const { return value & valueForBit(n); }
+
+ // Marks the specified bit.
+ inline void markBit(uint32_t n) { value |= valueForBit(n); }
+
+ // Clears the specified bit.
+ inline void clearBit(uint32_t n) { value &= ~ valueForBit(n); }
+
+ // Finds the first marked bit in the set.
+ // Result is undefined if all bits are unmarked.
+ inline uint32_t firstMarkedBit() const { return __builtin_clz(value); }
+
+ // Finds the first unmarked bit in the set.
+ // Result is undefined if all bits are marked.
+ inline uint32_t firstUnmarkedBit() const { return __builtin_clz(~ value); }
+
+ inline bool operator== (const BitSet32& other) const { return value == other.value; }
+ inline bool operator!= (const BitSet32& other) const { return value != other.value; }
+};
+
+} // namespace android
+
+#endif // UTILS_BITSET_H
diff --git a/include/utils/Buffer.h b/include/utils/Buffer.h
deleted file mode 100644
index 8e22b0f..0000000
--- a/include/utils/Buffer.h
+++ /dev/null
@@ -1,107 +0,0 @@
-/*
- * Copyright (C) 2008 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef __UTILS_BUFFER_H__
-#define __UTILS_BUFFER_H__ 1
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-namespace android {
-
-class Buffer
-{
-private:
- char *buf;
- int bufsiz;
- int used;
- void ensureCapacity(int len);
-
- void
- makeRoomFor(int len)
- {
- if (len + used >= bufsiz) {
- bufsiz = (len + used) * 3/2 + 2;
- char *blah = new char[bufsiz];
-
- memcpy(blah, buf, used);
- delete[] buf;
- buf = blah;
- }
- }
-
-public:
- Buffer()
- {
- bufsiz = 16;
- buf = new char[bufsiz];
- clear();
- }
-
- ~Buffer()
- {
- delete[] buf;
- }
-
- void
- clear()
- {
- buf[0] = '\0';
- used = 0;
- }
-
- int
- length()
- {
- return used;
- }
-
- void
- append(const char c)
- {
- makeRoomFor(1);
- buf[used] = c;
- used++;
- buf[used] = '\0';
- }
-
- void
- append(const char *s, int len)
- {
- makeRoomFor(len);
-
- memcpy(buf + used, s, len);
- used += len;
- buf[used] = '\0';
- }
-
- void
- append(const char *s)
- {
- append(s, strlen(s));
- }
-
- char *
- getBytes()
- {
- return buf;
- }
-};
-
-}; // namespace android
-
-#endif
diff --git a/include/utils/PollLoop.h b/include/utils/PollLoop.h
new file mode 100644
index 0000000..2ec39fe
--- /dev/null
+++ b/include/utils/PollLoop.h
@@ -0,0 +1,137 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef UTILS_POLL_LOOP_H
+#define UTILS_POLL_LOOP_H
+
+#include <utils/Vector.h>
+#include <utils/threads.h>
+
+#include <poll.h>
+
+namespace android {
+
+/**
+ * A basic file descriptor polling loop based on poll() with callbacks.
+ */
+class PollLoop : public RefBase {
+protected:
+ virtual ~PollLoop();
+
+public:
+ PollLoop();
+
+ /**
+ * A callback that it to be invoked when an event occurs on a file descriptor.
+ * Specifies the events that were triggered and the user data provided when the
+ * callback was set.
+ *
+ * Returns true if the callback should be kept, false if it should be removed automatically
+ * after the callback returns.
+ */
+ typedef bool (*Callback)(int fd, int events, void* data);
+
+ /**
+ * Performs a single call to poll() with optional timeout in milliseconds.
+ * Invokes callbacks for all file descriptors on which an event occurred.
+ *
+ * If the timeout is zero, returns immediately without blocking.
+ * If the timeout is negative, waits indefinitely until awoken.
+ *
+ * Returns true if a callback was invoked or if the loop was awoken by wake().
+ * Returns false if a timeout or error occurred.
+ *
+ * This method must only be called on the main thread.
+ * This method blocks until either a file descriptor is signalled, a timeout occurs,
+ * or wake() is called.
+ * This method does not return until it has finished invoking the appropriate callbacks
+ * for all file descriptors that were signalled.
+ */
+ bool pollOnce(int timeoutMillis);
+
+ /**
+ * Wakes the loop asynchronously.
+ *
+ * This method can be called on any thread.
+ * This method returns immediately.
+ */
+ void wake();
+
+ /**
+ * Sets the callback for a file descriptor, replacing the existing one, if any.
+ * It is an error to call this method with events == 0 or callback == NULL.
+ *
+ * Note that a callback can be invoked with the POLLERR, POLLHUP or POLLNVAL events
+ * even if it is not explicitly requested when registered.
+ *
+ * This method can be called on any thread.
+ * This method may block briefly if it needs to wake the poll loop.
+ */
+ void setCallback(int fd, int events, Callback callback, void* data = NULL);
+
+ /**
+ * Removes the callback for a file descriptor, if one exists.
+ *
+ * When this method returns, it is safe to close the file descriptor since the poll loop
+ * will no longer have a reference to it. However, it is possible for the callback to
+ * already be running or for it to run one last time if the file descriptor was already
+ * signalled. Calling code is responsible for ensuring that this case is safely handled.
+ * For example, if the callback takes care of removing itself during its own execution either
+ * by returning false or calling this method, then it can be guaranteed to not be invoked
+ * again at any later time unless registered anew.
+ *
+ * This method can be called on any thread.
+ * This method may block briefly if it needs to wake the poll loop.
+ *
+ * Returns true if a callback was actually removed, false if none was registered.
+ */
+ bool removeCallback(int fd);
+
+private:
+ struct RequestedCallback {
+ Callback callback;
+ void* data;
+ };
+
+ struct PendingCallback {
+ int fd;
+ int events;
+ Callback callback;
+ void* data;
+ };
+
+ Mutex mLock;
+ Condition mAwake;
+ bool mPolling;
+
+ int mWakeReadPipeFd;
+ int mWakeWritePipeFd;
+
+ Vector<struct pollfd> mRequestedFds;
+ Vector<RequestedCallback> mRequestedCallbacks;
+
+ Vector<PendingCallback> mPendingCallbacks; // used privately by pollOnce
+
+ void openWakePipe();
+ void closeWakePipe();
+
+ ssize_t getRequestIndexLocked(int fd);
+ void wakeAndLock();
+};
+
+} // namespace android
+
+#endif // UTILS_POLL_LOOP_H
diff --git a/include/utils/Pool.h b/include/utils/Pool.h
new file mode 100644
index 0000000..2ee768e
--- /dev/null
+++ b/include/utils/Pool.h
@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef UTILS_POOL_H
+#define UTILS_POOL_H
+
+#include <utils/TypeHelpers.h>
+
+namespace android {
+
+class PoolImpl {
+public:
+ PoolImpl(size_t objSize);
+ ~PoolImpl();
+
+ void* allocImpl();
+ void freeImpl(void* obj);
+
+private:
+ size_t mObjSize;
+};
+
+/*
+ * A homogeneous typed memory pool for fixed size objects.
+ * Not intended to be thread-safe.
+ */
+template<typename T>
+class Pool : private PoolImpl {
+public:
+ /* Creates an initially empty pool. */
+ Pool() : PoolImpl(sizeof(T)) { }
+
+ /* Destroys the pool.
+ * Assumes that the pool is empty. */
+ ~Pool() { }
+
+ /* Allocates an object from the pool, growing the pool if needed. */
+ inline T* alloc() {
+ void* mem = allocImpl();
+ if (! traits<T>::has_trivial_ctor) {
+ return new (mem) T();
+ } else {
+ return static_cast<T*>(mem);
+ }
+ }
+
+ /* Frees an object from the pool. */
+ inline void free(T* obj) {
+ if (! traits<T>::has_trivial_dtor) {
+ obj->~T();
+ }
+ freeImpl(obj);
+ }
+};
+
+} // namespace android
+
+#endif // UTILS_POOL_H
diff --git a/include/utils/StopWatch.h b/include/utils/StopWatch.h
index cc0bebc..693dd3c 100644
--- a/include/utils/StopWatch.h
+++ b/include/utils/StopWatch.h
@@ -37,6 +37,8 @@
const char* name() const;
nsecs_t lap();
nsecs_t elapsedTime() const;
+
+ void reset();
private:
const char* mName;
diff --git a/include/utils/Vector.h b/include/utils/Vector.h
index ad59fd6..d40ae16 100644
--- a/include/utils/Vector.h
+++ b/include/utils/Vector.h
@@ -114,6 +114,12 @@
ssize_t appendVector(const Vector<TYPE>& vector);
+ //! insert an array at a given index
+ ssize_t insertArrayAt(const TYPE* array, size_t index, size_t numItems);
+
+ //! append an array at the end of this vector
+ ssize_t appendArray(const TYPE* array, size_t numItems);
+
/*!
* add/insert/replace items
*/
@@ -259,6 +265,16 @@
}
template<class TYPE> inline
+ssize_t Vector<TYPE>::insertArrayAt(const TYPE* array, size_t index, size_t numItems) {
+ return VectorImpl::insertAt(array, index, numItems);
+}
+
+template<class TYPE> inline
+ssize_t Vector<TYPE>::appendArray(const TYPE* array, size_t numItems) {
+ return VectorImpl::add(array, numItems);
+}
+
+template<class TYPE> inline
ssize_t Vector<TYPE>::insertAt(const TYPE& item, size_t index, size_t numItems) {
return VectorImpl::insertAt(&item, index, numItems);
}
diff --git a/include/utils/VectorImpl.h b/include/utils/VectorImpl.h
index 49b03f1..46a7bc2 100644
--- a/include/utils/VectorImpl.h
+++ b/include/utils/VectorImpl.h
@@ -76,7 +76,7 @@
void push();
void push(const void* item);
ssize_t add();
- ssize_t add(const void* item);
+ ssize_t add(const void* item, size_t numItems = 1);
ssize_t replaceAt(size_t index);
ssize_t replaceAt(const void* item, size_t index);
@@ -184,6 +184,8 @@
void push(const void* item);
ssize_t insertVectorAt(const VectorImpl& vector, size_t index);
ssize_t appendVector(const VectorImpl& vector);
+ ssize_t insertArrayAt(const void* array, size_t index, size_t numItems);
+ ssize_t appendArray(const void* array, size_t numItems);
ssize_t insertAt(size_t where, size_t numItems = 1);
ssize_t insertAt(const void* item, size_t where, size_t numItems = 1);
ssize_t replaceAt(size_t index);
diff --git a/libs/ui/Android.mk b/libs/ui/Android.mk
index f7acd97..24cdc78 100644
--- a/libs/ui/Android.mk
+++ b/libs/ui/Android.mk
@@ -11,6 +11,11 @@
GraphicBufferMapper.cpp \
KeyLayoutMap.cpp \
KeyCharacterMap.cpp \
+ Input.cpp \
+ InputDispatcher.cpp \
+ InputManager.cpp \
+ InputReader.cpp \
+ InputTransport.cpp \
IOverlay.cpp \
Overlay.cpp \
PixelFormat.cpp \
diff --git a/libs/ui/EventHub.cpp b/libs/ui/EventHub.cpp
index d45eaf0..27895f2 100644
--- a/libs/ui/EventHub.cpp
+++ b/libs/ui/EventHub.cpp
@@ -155,77 +155,70 @@
return 0;
}
-int EventHub::getSwitchState(int sw) const
-{
-#ifdef EV_SW
- if (sw >= 0 && sw <= SW_MAX) {
- int32_t devid = mSwitches[sw];
- if (devid != 0) {
- return getSwitchState(devid, sw);
+int32_t EventHub::getScanCodeState(int32_t deviceId, int32_t deviceClasses,
+ int32_t scanCode) const {
+ if (scanCode >= 0 && scanCode <= KEY_MAX) {
+ AutoMutex _l(mLock);
+
+ if (deviceId == -1) {
+ for (int i = 0; i < mNumDevicesById; i++) {
+ device_t* device = mDevicesById[i].device;
+ if (device != NULL && (device->classes & deviceClasses) != 0) {
+ int32_t result = getScanCodeStateLocked(device, scanCode);
+ if (result >= KEY_STATE_DOWN) {
+ return result;
+ }
+ }
+ }
+ return KEY_STATE_UP;
+ } else {
+ device_t* device = getDevice(deviceId);
+ if (device != NULL) {
+ return getScanCodeStateLocked(device, scanCode);
+ }
}
}
-#endif
- return -1;
+ return KEY_STATE_UNKNOWN;
}
-int EventHub::getSwitchState(int32_t deviceId, int sw) const
-{
-#ifdef EV_SW
- AutoMutex _l(mLock);
- device_t* device = getDevice(deviceId);
- if (device == NULL) return -1;
-
- if (sw >= 0 && sw <= SW_MAX) {
- uint8_t sw_bitmask[(SW_MAX+7)/8];
- memset(sw_bitmask, 0, sizeof(sw_bitmask));
- if (ioctl(mFDs[id_to_index(device->id)].fd,
- EVIOCGSW(sizeof(sw_bitmask)), sw_bitmask) >= 0) {
- return test_bit(sw, sw_bitmask) ? 1 : 0;
+int32_t EventHub::getScanCodeStateLocked(device_t* device, int32_t scanCode) const {
+ uint8_t key_bitmask[(KEY_MAX + 7) / 8];
+ memset(key_bitmask, 0, sizeof(key_bitmask));
+ if (ioctl(mFDs[id_to_index(device->id)].fd,
+ EVIOCGKEY(sizeof(key_bitmask)), key_bitmask) >= 0) {
+ return test_bit(scanCode, key_bitmask) ? KEY_STATE_DOWN : KEY_STATE_UP;
+ }
+ return KEY_STATE_UNKNOWN;
+}
+
+int32_t EventHub::getKeyCodeState(int32_t deviceId, int32_t deviceClasses,
+ int32_t keyCode) const {
+
+ if (deviceId == -1) {
+ for (int i = 0; i < mNumDevicesById; i++) {
+ device_t* device = mDevicesById[i].device;
+ if (device != NULL && (device->classes & deviceClasses) != 0) {
+ int32_t result = getKeyCodeStateLocked(device, keyCode);
+ if (result >= KEY_STATE_DOWN) {
+ return result;
+ }
+ }
+ }
+ return KEY_STATE_UP;
+ } else {
+ device_t* device = getDevice(deviceId);
+ if (device != NULL) {
+ return getKeyCodeStateLocked(device, keyCode);
}
}
-#endif
-
- return -1;
+ return KEY_STATE_UNKNOWN;
}
-int EventHub::getScancodeState(int code) const
-{
- return getScancodeState(mFirstKeyboardId, code);
-}
-
-int EventHub::getScancodeState(int32_t deviceId, int code) const
-{
- AutoMutex _l(mLock);
- device_t* device = getDevice(deviceId);
- if (device == NULL) return -1;
-
- if (code >= 0 && code <= KEY_MAX) {
- uint8_t key_bitmask[(KEY_MAX+7)/8];
- memset(key_bitmask, 0, sizeof(key_bitmask));
- if (ioctl(mFDs[id_to_index(device->id)].fd,
- EVIOCGKEY(sizeof(key_bitmask)), key_bitmask) >= 0) {
- return test_bit(code, key_bitmask) ? 1 : 0;
- }
- }
-
- return -1;
-}
-
-int EventHub::getKeycodeState(int code) const
-{
- return getKeycodeState(mFirstKeyboardId, code);
-}
-
-int EventHub::getKeycodeState(int32_t deviceId, int code) const
-{
- AutoMutex _l(mLock);
- device_t* device = getDevice(deviceId);
- if (device == NULL || device->layoutMap == NULL) return -1;
-
+int32_t EventHub::getKeyCodeStateLocked(device_t* device, int32_t keyCode) const {
Vector<int32_t> scanCodes;
- device->layoutMap->findScancodes(code, &scanCodes);
-
- uint8_t key_bitmask[(KEY_MAX+7)/8];
+ device->layoutMap->findScancodes(keyCode, &scanCodes);
+
+ uint8_t key_bitmask[(KEY_MAX + 7) / 8];
memset(key_bitmask, 0, sizeof(key_bitmask));
if (ioctl(mFDs[id_to_index(device->id)].fd,
EVIOCGKEY(sizeof(key_bitmask)), key_bitmask) >= 0) {
@@ -239,12 +232,45 @@
int32_t sc = scanCodes.itemAt(i);
//LOGI("Code %d: down=%d", sc, test_bit(sc, key_bitmask));
if (sc >= 0 && sc <= KEY_MAX && test_bit(sc, key_bitmask)) {
- return 1;
+ return KEY_STATE_DOWN;
}
}
+ return KEY_STATE_UP;
}
-
- return 0;
+ return KEY_STATE_UNKNOWN;
+}
+
+int32_t EventHub::getSwitchState(int32_t deviceId, int32_t deviceClasses, int32_t sw) const {
+#ifdef EV_SW
+ if (sw >= 0 && sw <= SW_MAX) {
+ AutoMutex _l(mLock);
+
+ if (deviceId == -1) {
+ deviceId = mSwitches[sw];
+ if (deviceId == 0) {
+ return KEY_STATE_UNKNOWN;
+ }
+ }
+
+ device_t* device = getDevice(deviceId);
+ if (device == NULL) {
+ return KEY_STATE_UNKNOWN;
+ }
+
+ return getSwitchStateLocked(device, sw);
+ }
+#endif
+ return KEY_STATE_UNKNOWN;
+}
+
+int32_t EventHub::getSwitchStateLocked(device_t* device, int32_t sw) const {
+ uint8_t sw_bitmask[(SW_MAX + 7) / 8];
+ memset(sw_bitmask, 0, sizeof(sw_bitmask));
+ if (ioctl(mFDs[id_to_index(device->id)].fd,
+ EVIOCGSW(sizeof(sw_bitmask)), sw_bitmask) >= 0) {
+ return test_bit(sw, sw_bitmask) ? KEY_STATE_DOWN : KEY_STATE_UP;
+ }
+ return KEY_STATE_UNKNOWN;
}
status_t EventHub::scancodeToKeycode(int32_t deviceId, int scancode,
@@ -309,9 +335,6 @@
status_t err;
- fd_set readfds;
- int maxFd = -1;
- int cc;
int i;
int res;
int pollres;
@@ -457,7 +480,7 @@
* Inspect the known devices to determine whether physical keys exist for the given
* framework-domain key codes.
*/
-bool EventHub::hasKeys(size_t numCodes, int32_t* keyCodes, uint8_t* outFlags) {
+bool EventHub::hasKeys(size_t numCodes, const int32_t* keyCodes, uint8_t* outFlags) const {
for (size_t codeIndex = 0; codeIndex < numCodes; codeIndex++) {
outFlags[codeIndex] = 0;
@@ -465,7 +488,8 @@
Vector<int32_t> scanCodes;
for (int n = 0; (n < mFDCount) && (outFlags[codeIndex] == 0); n++) {
if (mDevices[n]) {
- status_t err = mDevices[n]->layoutMap->findScancodes(keyCodes[codeIndex], &scanCodes);
+ status_t err = mDevices[n]->layoutMap->findScancodes(
+ keyCodes[codeIndex], &scanCodes);
if (!err) {
// check the possible scan codes identified by the layout map against the
// map of codes actually emitted by the driver
@@ -618,11 +642,11 @@
//}
for (int i=0; i<((BTN_MISC+7)/8); i++) {
if (key_bitmask[i] != 0) {
- device->classes |= CLASS_KEYBOARD;
+ device->classes |= INPUT_DEVICE_CLASS_KEYBOARD;
break;
}
}
- if ((device->classes & CLASS_KEYBOARD) != 0) {
+ if ((device->classes & INPUT_DEVICE_CLASS_KEYBOARD) != 0) {
device->keyBitmask = new uint8_t[sizeof(key_bitmask)];
if (device->keyBitmask != NULL) {
memcpy(device->keyBitmask, key_bitmask, sizeof(key_bitmask));
@@ -642,7 +666,7 @@
if (ioctl(fd, EVIOCGBIT(EV_REL, sizeof(rel_bitmask)), rel_bitmask) >= 0)
{
if (test_bit(REL_X, rel_bitmask) && test_bit(REL_Y, rel_bitmask)) {
- device->classes |= CLASS_TRACKBALL;
+ device->classes |= INPUT_DEVICE_CLASS_TRACKBALL;
}
}
}
@@ -656,12 +680,12 @@
if (test_bit(ABS_MT_TOUCH_MAJOR, abs_bitmask)
&& test_bit(ABS_MT_POSITION_X, abs_bitmask)
&& test_bit(ABS_MT_POSITION_Y, abs_bitmask)) {
- device->classes |= CLASS_TOUCHSCREEN | CLASS_TOUCHSCREEN_MT;
+ device->classes |= INPUT_DEVICE_CLASS_TOUCHSCREEN | INPUT_DEVICE_CLASS_TOUCHSCREEN_MT;
// Is this an old style single-touch driver?
} else if (test_bit(BTN_TOUCH, key_bitmask)
&& test_bit(ABS_X, abs_bitmask) && test_bit(ABS_Y, abs_bitmask)) {
- device->classes |= CLASS_TOUCHSCREEN;
+ device->classes |= INPUT_DEVICE_CLASS_TOUCHSCREEN;
}
#ifdef EV_SW
@@ -680,7 +704,7 @@
}
#endif
- if ((device->classes&CLASS_KEYBOARD) != 0) {
+ if ((device->classes & INPUT_DEVICE_CLASS_KEYBOARD) != 0) {
char tmpfn[sizeof(name)];
char keylayoutFilename[300];
@@ -723,7 +747,7 @@
// 'Q' key support = cheap test of whether this is an alpha-capable kbd
if (hasKeycode(device, kKeyCodeQ)) {
- device->classes |= CLASS_ALPHAKEY;
+ device->classes |= INPUT_DEVICE_CLASS_ALPHAKEY;
}
// See if this has a DPAD.
@@ -732,7 +756,7 @@
hasKeycode(device, kKeyCodeDpadLeft) &&
hasKeycode(device, kKeyCodeDpadRight) &&
hasKeycode(device, kKeyCodeDpadCenter)) {
- device->classes |= CLASS_DPAD;
+ device->classes |= INPUT_DEVICE_CLASS_DPAD;
}
LOGI("New keyboard: device->id=0x%x devname='%s' propName='%s' keylayout='%s'\n",
diff --git a/libs/ui/Input.cpp b/libs/ui/Input.cpp
new file mode 100644
index 0000000..d367708
--- /dev/null
+++ b/libs/ui/Input.cpp
@@ -0,0 +1,238 @@
+//
+// Copyright 2010 The Android Open Source Project
+//
+// Provides a pipe-based transport for native events in the NDK.
+//
+#define LOG_TAG "Input"
+
+//#define LOG_NDEBUG 0
+
+#include <ui/Input.h>
+
+namespace android {
+
+// class InputEvent
+
+void InputEvent::initialize(int32_t deviceId, int32_t nature) {
+ mDeviceId = deviceId;
+ mNature = nature;
+}
+
+// class KeyEvent
+
+void KeyEvent::initialize(
+ int32_t deviceId,
+ int32_t nature,
+ int32_t action,
+ int32_t flags,
+ int32_t keyCode,
+ int32_t scanCode,
+ int32_t metaState,
+ int32_t repeatCount,
+ nsecs_t downTime,
+ nsecs_t eventTime) {
+ InputEvent::initialize(deviceId, nature);
+ mAction = action;
+ mFlags = flags;
+ mKeyCode = keyCode;
+ mScanCode = scanCode;
+ mMetaState = metaState;
+ mRepeatCount = repeatCount;
+ mDownTime = downTime;
+ mEventTime = eventTime;
+}
+
+// class MotionEvent
+
+void MotionEvent::initialize(
+ int32_t deviceId,
+ int32_t nature,
+ int32_t action,
+ int32_t edgeFlags,
+ int32_t metaState,
+ float rawX,
+ float rawY,
+ float xPrecision,
+ float yPrecision,
+ nsecs_t downTime,
+ nsecs_t eventTime,
+ size_t pointerCount,
+ const int32_t* pointerIds,
+ const PointerCoords* pointerCoords) {
+ InputEvent::initialize(deviceId, nature);
+ mAction = action;
+ mEdgeFlags = edgeFlags;
+ mMetaState = metaState;
+ mRawX = rawX;
+ mRawY = rawY;
+ mXPrecision = xPrecision;
+ mYPrecision = yPrecision;
+ mDownTime = downTime;
+ mPointerIds.clear();
+ mPointerIds.appendArray(pointerIds, pointerCount);
+ mSampleEventTimes.clear();
+ mSamplePointerCoords.clear();
+ addSample(eventTime, pointerCoords);
+}
+
+void MotionEvent::addSample(
+ int64_t eventTime,
+ const PointerCoords* pointerCoords) {
+ mSampleEventTimes.push(eventTime);
+ mSamplePointerCoords.appendArray(pointerCoords, getPointerCount());
+}
+
+void MotionEvent::offsetLocation(float xOffset, float yOffset) {
+ if (xOffset != 0 || yOffset != 0) {
+ for (size_t i = 0; i < mSamplePointerCoords.size(); i++) {
+ PointerCoords& pointerCoords = mSamplePointerCoords.editItemAt(i);
+ pointerCoords.x += xOffset;
+ pointerCoords.y += yOffset;
+ }
+ }
+}
+
+} // namespace android
+
+// NDK APIs
+
+using android::InputEvent;
+using android::KeyEvent;
+using android::MotionEvent;
+
+int32_t input_event_get_type(const input_event_t* event) {
+ return reinterpret_cast<const InputEvent*>(event)->getType();
+}
+
+int32_t input_event_get_device_id(const input_event_t* event) {
+ return reinterpret_cast<const InputEvent*>(event)->getDeviceId();
+}
+
+int32_t input_event_get_nature(const input_event_t* event) {
+ return reinterpret_cast<const InputEvent*>(event)->getNature();
+}
+
+int32_t key_event_get_action(const input_event_t* key_event) {
+ return reinterpret_cast<const KeyEvent*>(key_event)->getAction();
+}
+
+int32_t key_event_get_flags(const input_event_t* key_event) {
+ return reinterpret_cast<const KeyEvent*>(key_event)->getFlags();
+}
+
+int32_t key_event_get_key_code(const input_event_t* key_event) {
+ return reinterpret_cast<const KeyEvent*>(key_event)->getKeyCode();
+}
+
+int32_t key_event_get_scan_code(const input_event_t* key_event) {
+ return reinterpret_cast<const KeyEvent*>(key_event)->getScanCode();
+}
+
+int32_t key_event_get_meta_state(const input_event_t* key_event) {
+ return reinterpret_cast<const KeyEvent*>(key_event)->getMetaState();
+}
+int32_t key_event_get_repeat_count(const input_event_t* key_event) {
+ return reinterpret_cast<const KeyEvent*>(key_event)->getRepeatCount();
+}
+
+int64_t key_event_get_down_time(const input_event_t* key_event) {
+ return reinterpret_cast<const KeyEvent*>(key_event)->getDownTime();
+}
+
+int64_t key_event_get_event_time(const input_event_t* key_event) {
+ return reinterpret_cast<const KeyEvent*>(key_event)->getEventTime();
+}
+
+int32_t motion_event_get_action(const input_event_t* motion_event) {
+ return reinterpret_cast<const MotionEvent*>(motion_event)->getAction();
+}
+
+int32_t motion_event_get_meta_state(const input_event_t* motion_event) {
+ return reinterpret_cast<const MotionEvent*>(motion_event)->getMetaState();
+}
+
+int32_t motion_event_get_edge_flags(const input_event_t* motion_event) {
+ return reinterpret_cast<const MotionEvent*>(motion_event)->getEdgeFlags();
+}
+
+int64_t motion_event_get_down_time(const input_event_t* motion_event) {
+ return reinterpret_cast<const MotionEvent*>(motion_event)->getDownTime();
+}
+
+int64_t motion_event_get_event_time(const input_event_t* motion_event) {
+ return reinterpret_cast<const MotionEvent*>(motion_event)->getEventTime();
+}
+
+float motion_event_get_x_precision(const input_event_t* motion_event) {
+ return reinterpret_cast<const MotionEvent*>(motion_event)->getXPrecision();
+}
+
+float motion_event_get_y_precision(const input_event_t* motion_event) {
+ return reinterpret_cast<const MotionEvent*>(motion_event)->getYPrecision();
+}
+
+size_t motion_event_get_pointer_count(const input_event_t* motion_event) {
+ return reinterpret_cast<const MotionEvent*>(motion_event)->getPointerCount();
+}
+
+int32_t motion_event_get_pointer_id(const input_event_t* motion_event, size_t pointer_index) {
+ return reinterpret_cast<const MotionEvent*>(motion_event)->getPointerId(pointer_index);
+}
+
+float motion_event_get_raw_x(const input_event_t* motion_event) {
+ return reinterpret_cast<const MotionEvent*>(motion_event)->getRawX();
+}
+
+float motion_event_get_raw_y(const input_event_t* motion_event) {
+ return reinterpret_cast<const MotionEvent*>(motion_event)->getRawY();
+}
+
+float motion_event_get_x(const input_event_t* motion_event, size_t pointer_index) {
+ return reinterpret_cast<const MotionEvent*>(motion_event)->getX(pointer_index);
+}
+
+float motion_event_get_y(const input_event_t* motion_event, size_t pointer_index) {
+ return reinterpret_cast<const MotionEvent*>(motion_event)->getY(pointer_index);
+}
+
+float motion_event_get_pressure(const input_event_t* motion_event, size_t pointer_index) {
+ return reinterpret_cast<const MotionEvent*>(motion_event)->getPressure(pointer_index);
+}
+
+float motion_event_get_size(const input_event_t* motion_event, size_t pointer_index) {
+ return reinterpret_cast<const MotionEvent*>(motion_event)->getSize(pointer_index);
+}
+
+size_t motion_event_get_history_size(const input_event_t* motion_event) {
+ return reinterpret_cast<const MotionEvent*>(motion_event)->getHistorySize();
+}
+
+int64_t motion_event_get_historical_event_time(input_event_t* motion_event,
+ size_t history_index) {
+ return reinterpret_cast<const MotionEvent*>(motion_event)->getHistoricalEventTime(
+ history_index);
+}
+
+float motion_event_get_historical_x(input_event_t* motion_event, size_t pointer_index,
+ size_t history_index) {
+ return reinterpret_cast<const MotionEvent*>(motion_event)->getHistoricalX(
+ pointer_index, history_index);
+}
+
+float motion_event_get_historical_y(input_event_t* motion_event, size_t pointer_index,
+ size_t history_index) {
+ return reinterpret_cast<const MotionEvent*>(motion_event)->getHistoricalY(
+ pointer_index, history_index);
+}
+
+float motion_event_get_historical_pressure(input_event_t* motion_event, size_t pointer_index,
+ size_t history_index) {
+ return reinterpret_cast<const MotionEvent*>(motion_event)->getHistoricalPressure(
+ pointer_index, history_index);
+}
+
+float motion_event_get_historical_size(input_event_t* motion_event, size_t pointer_index,
+ size_t history_index) {
+ return reinterpret_cast<const MotionEvent*>(motion_event)->getHistoricalSize(
+ pointer_index, history_index);
+}
diff --git a/libs/ui/InputDispatcher.cpp b/libs/ui/InputDispatcher.cpp
new file mode 100644
index 0000000..8e907da
--- /dev/null
+++ b/libs/ui/InputDispatcher.cpp
@@ -0,0 +1,1315 @@
+//
+// Copyright 2010 The Android Open Source Project
+//
+// The input dispatcher.
+//
+#define LOG_TAG "InputDispatcher"
+
+//#define LOG_NDEBUG 0
+
+// Log detailed debug messages about each inbound event notification to the dispatcher.
+#define DEBUG_INBOUND_EVENT_DETAILS 1
+
+// Log detailed debug messages about each outbound event processed by the dispatcher.
+#define DEBUG_OUTBOUND_EVENT_DETAILS 1
+
+// Log debug messages about batching.
+#define DEBUG_BATCHING 1
+
+// Log debug messages about the dispatch cycle.
+#define DEBUG_DISPATCH_CYCLE 1
+
+// Log debug messages about performance statistics.
+#define DEBUG_PERFORMANCE_STATISTICS 1
+
+#include <cutils/log.h>
+#include <ui/InputDispatcher.h>
+
+#include <stddef.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <limits.h>
+#include <poll.h>
+
+namespace android {
+
+// TODO, this needs to be somewhere else, perhaps in the policy
+static inline bool isMovementKey(int32_t keyCode) {
+ return keyCode == KEYCODE_DPAD_UP
+ || keyCode == KEYCODE_DPAD_DOWN
+ || keyCode == KEYCODE_DPAD_LEFT
+ || keyCode == KEYCODE_DPAD_RIGHT;
+}
+
+// --- InputDispatcher ---
+
+InputDispatcher::InputDispatcher(const sp<InputDispatchPolicyInterface>& policy) :
+ mPolicy(policy) {
+ mPollLoop = new PollLoop();
+
+ mInboundQueue.head.refCount = -1;
+ mInboundQueue.head.type = EventEntry::TYPE_SENTINEL;
+ mInboundQueue.head.eventTime = LONG_LONG_MIN;
+
+ mInboundQueue.tail.refCount = -1;
+ mInboundQueue.tail.type = EventEntry::TYPE_SENTINEL;
+ mInboundQueue.tail.eventTime = LONG_LONG_MAX;
+
+ mKeyRepeatState.lastKeyEntry = NULL;
+}
+
+InputDispatcher::~InputDispatcher() {
+ resetKeyRepeatLocked();
+
+ while (mConnectionsByReceiveFd.size() != 0) {
+ unregisterInputChannel(mConnectionsByReceiveFd.valueAt(0)->inputChannel);
+ }
+
+ for (EventEntry* entry = mInboundQueue.head.next; entry != & mInboundQueue.tail; ) {
+ EventEntry* next = entry->next;
+ mAllocator.releaseEventEntry(next);
+ entry = next;
+ }
+}
+
+void InputDispatcher::dispatchOnce() {
+ bool allowKeyRepeat = mPolicy->allowKeyRepeat();
+
+ nsecs_t currentTime;
+ nsecs_t nextWakeupTime = LONG_LONG_MAX;
+ { // acquire lock
+ AutoMutex _l(mLock);
+ currentTime = systemTime(SYSTEM_TIME_MONOTONIC);
+
+ // Reset the key repeat timer whenever we disallow key events, even if the next event
+ // is not a key. This is to ensure that we abort a key repeat if the device is just coming
+ // out of sleep.
+ // XXX we should handle resetting input state coming out of sleep more generally elsewhere
+ if (! allowKeyRepeat) {
+ resetKeyRepeatLocked();
+ }
+
+ // Process timeouts for all connections and determine if there are any synchronous
+ // event dispatches pending.
+ bool hasPendingSyncTarget = false;
+ for (size_t i = 0; i < mActiveConnections.size(); ) {
+ Connection* connection = mActiveConnections.itemAt(i);
+
+ nsecs_t connectionTimeoutTime = connection->nextTimeoutTime;
+ if (connectionTimeoutTime <= currentTime) {
+ bool deactivated = timeoutDispatchCycleLocked(currentTime, connection);
+ if (deactivated) {
+ // Don't increment i because the connection has been removed
+ // from mActiveConnections (hence, deactivated).
+ continue;
+ }
+ }
+
+ if (connectionTimeoutTime < nextWakeupTime) {
+ nextWakeupTime = connectionTimeoutTime;
+ }
+
+ if (connection->hasPendingSyncTarget()) {
+ hasPendingSyncTarget = true;
+ }
+
+ i += 1;
+ }
+
+ // If we don't have a pending sync target, then we can begin delivering a new event.
+ // (Otherwise we wait for dispatch to complete for that target.)
+ if (! hasPendingSyncTarget) {
+ if (mInboundQueue.isEmpty()) {
+ if (mKeyRepeatState.lastKeyEntry) {
+ if (currentTime >= mKeyRepeatState.nextRepeatTime) {
+ processKeyRepeatLocked(currentTime);
+ return; // dispatched once
+ } else {
+ if (mKeyRepeatState.nextRepeatTime < nextWakeupTime) {
+ nextWakeupTime = mKeyRepeatState.nextRepeatTime;
+ }
+ }
+ }
+ } else {
+ // Inbound queue has at least one entry. Dequeue it and begin dispatching.
+ // Note that we do not hold the lock for this process because dispatching may
+ // involve making many callbacks.
+ EventEntry* entry = mInboundQueue.dequeueAtHead();
+
+ switch (entry->type) {
+ case EventEntry::TYPE_CONFIGURATION_CHANGED: {
+ ConfigurationChangedEntry* typedEntry =
+ static_cast<ConfigurationChangedEntry*>(entry);
+ processConfigurationChangedLocked(currentTime, typedEntry);
+ mAllocator.releaseConfigurationChangedEntry(typedEntry);
+ break;
+ }
+
+ case EventEntry::TYPE_KEY: {
+ KeyEntry* typedEntry = static_cast<KeyEntry*>(entry);
+ processKeyLocked(currentTime, typedEntry);
+ mAllocator.releaseKeyEntry(typedEntry);
+ break;
+ }
+
+ case EventEntry::TYPE_MOTION: {
+ MotionEntry* typedEntry = static_cast<MotionEntry*>(entry);
+ processMotionLocked(currentTime, typedEntry);
+ mAllocator.releaseMotionEntry(typedEntry);
+ break;
+ }
+
+ default:
+ assert(false);
+ break;
+ }
+ return; // dispatched once
+ }
+ }
+ } // release lock
+
+ // Wait for callback or timeout or wake.
+ nsecs_t timeout = nanoseconds_to_milliseconds(nextWakeupTime - currentTime);
+ int32_t timeoutMillis = timeout > INT_MAX ? -1 : timeout > 0 ? int32_t(timeout) : 0;
+ mPollLoop->pollOnce(timeoutMillis);
+}
+
+void InputDispatcher::processConfigurationChangedLocked(nsecs_t currentTime,
+ ConfigurationChangedEntry* entry) {
+#if DEBUG_OUTBOUND_EVENT_DETAILS
+ LOGD("processConfigurationChanged - eventTime=%lld, touchScreenConfig=%d, "
+ "keyboardConfig=%d, navigationConfig=%d", entry->eventTime,
+ entry->touchScreenConfig, entry->keyboardConfig, entry->navigationConfig);
+#endif
+
+ mPolicy->notifyConfigurationChanged(entry->eventTime, entry->touchScreenConfig,
+ entry->keyboardConfig, entry->navigationConfig);
+}
+
+void InputDispatcher::processKeyLocked(nsecs_t currentTime, KeyEntry* entry) {
+#if DEBUG_OUTBOUND_EVENT_DETAILS
+ LOGD("processKey - eventTime=%lld, deviceId=0x%x, nature=0x%x, policyFlags=0x%x, action=0x%x, "
+ "flags=0x%x, keyCode=0x%x, scanCode=0x%x, metaState=0x%x, downTime=%lld",
+ entry->eventTime, entry->deviceId, entry->nature, entry->policyFlags, entry->action,
+ entry->flags, entry->keyCode, entry->scanCode, entry->metaState,
+ entry->downTime);
+#endif
+
+ // TODO: Poke user activity.
+
+ if (entry->action == KEY_EVENT_ACTION_DOWN) {
+ if (mKeyRepeatState.lastKeyEntry
+ && mKeyRepeatState.lastKeyEntry->keyCode == entry->keyCode) {
+ // We have seen two identical key downs in a row which indicates that the device
+ // driver is automatically generating key repeats itself. We take note of the
+ // repeat here, but we disable our own next key repeat timer since it is clear that
+ // we will not need to synthesize key repeats ourselves.
+ entry->repeatCount = mKeyRepeatState.lastKeyEntry->repeatCount + 1;
+ resetKeyRepeatLocked();
+ mKeyRepeatState.nextRepeatTime = LONG_LONG_MAX; // don't generate repeats ourselves
+ } else {
+ // Not a repeat. Save key down state in case we do see a repeat later.
+ resetKeyRepeatLocked();
+ mKeyRepeatState.nextRepeatTime = entry->eventTime + mPolicy->getKeyRepeatTimeout();
+ }
+ mKeyRepeatState.lastKeyEntry = entry;
+ entry->refCount += 1;
+ } else {
+ resetKeyRepeatLocked();
+ }
+
+ identifyInputTargetsAndDispatchKeyLocked(currentTime, entry);
+}
+
+void InputDispatcher::processKeyRepeatLocked(nsecs_t currentTime) {
+ // TODO Old WindowManagerServer code sniffs the input queue for following key up
+ // events and drops the repeat if one is found. We should do something similar.
+ // One good place to do it is in notifyKey as soon as the key up enters the
+ // inbound event queue.
+
+ // Synthesize a key repeat after the repeat timeout expired.
+ // We reuse the previous key entry if otherwise unreferenced.
+ KeyEntry* entry = mKeyRepeatState.lastKeyEntry;
+ if (entry->refCount == 1) {
+ entry->repeatCount += 1;
+ } else {
+ KeyEntry* newEntry = mAllocator.obtainKeyEntry();
+ newEntry->deviceId = entry->deviceId;
+ newEntry->nature = entry->nature;
+ newEntry->policyFlags = entry->policyFlags;
+ newEntry->action = entry->action;
+ newEntry->flags = entry->flags;
+ newEntry->keyCode = entry->keyCode;
+ newEntry->scanCode = entry->scanCode;
+ newEntry->metaState = entry->metaState;
+ newEntry->repeatCount = entry->repeatCount + 1;
+
+ mKeyRepeatState.lastKeyEntry = newEntry;
+ mAllocator.releaseKeyEntry(entry);
+
+ entry = newEntry;
+ }
+ entry->eventTime = currentTime;
+ entry->downTime = currentTime;
+ entry->policyFlags = 0;
+
+ mKeyRepeatState.nextRepeatTime = currentTime + mPolicy->getKeyRepeatTimeout();
+
+#if DEBUG_OUTBOUND_EVENT_DETAILS
+ LOGD("processKeyRepeat - eventTime=%lld, deviceId=0x%x, nature=0x%x, policyFlags=0x%x, "
+ "action=0x%x, flags=0x%x, keyCode=0x%x, scanCode=0x%x, metaState=0x%x, "
+ "repeatCount=%d, downTime=%lld",
+ entry->eventTime, entry->deviceId, entry->nature, entry->policyFlags,
+ entry->action, entry->flags, entry->keyCode, entry->scanCode, entry->metaState,
+ entry->repeatCount, entry->downTime);
+#endif
+
+ identifyInputTargetsAndDispatchKeyLocked(currentTime, entry);
+}
+
+void InputDispatcher::processMotionLocked(nsecs_t currentTime, MotionEntry* entry) {
+#if DEBUG_OUTBOUND_EVENT_DETAILS
+ LOGD("processMotion - eventTime=%lld, deviceId=0x%x, nature=0x%x, policyFlags=0x%x, action=0x%x, "
+ "metaState=0x%x, edgeFlags=0x%x, xPrecision=%f, yPrecision=%f, downTime=%lld",
+ entry->eventTime, entry->deviceId, entry->nature, entry->policyFlags, entry->action,
+ entry->metaState, entry->edgeFlags, entry->xPrecision, entry->yPrecision,
+ entry->downTime);
+
+ // Print the most recent sample that we have available, this may change due to batching.
+ size_t sampleCount = 1;
+ MotionSample* sample = & entry->firstSample;
+ for (; sample->next != NULL; sample = sample->next) {
+ sampleCount += 1;
+ }
+ for (uint32_t i = 0; i < entry->pointerCount; i++) {
+ LOGD(" Pointer %d: id=%d, x=%f, y=%f, pressure=%f, size=%f",
+ i, entry->pointerIds[i],
+ sample->pointerCoords[i].x,
+ sample->pointerCoords[i].y,
+ sample->pointerCoords[i].pressure,
+ sample->pointerCoords[i].size);
+ }
+
+ // Keep in mind that due to batching, it is possible for the number of samples actually
+ // dispatched to change before the application finally consumed them.
+ if (entry->action == MOTION_EVENT_ACTION_MOVE) {
+ LOGD(" ... Total movement samples currently batched %d ...", sampleCount);
+ }
+#endif
+
+ identifyInputTargetsAndDispatchMotionLocked(currentTime, entry);
+}
+
+void InputDispatcher::identifyInputTargetsAndDispatchKeyLocked(
+ nsecs_t currentTime, KeyEntry* entry) {
+#if DEBUG_DISPATCH_CYCLE
+ LOGD("identifyInputTargetsAndDispatchKey");
+#endif
+
+ mReusableKeyEvent.initialize(entry->deviceId, entry->nature, entry->action, entry->flags,
+ entry->keyCode, entry->scanCode, entry->metaState, entry->repeatCount,
+ entry->downTime, entry->eventTime);
+
+ mCurrentInputTargets.clear();
+ mPolicy->getKeyEventTargets(& mReusableKeyEvent, entry->policyFlags,
+ mCurrentInputTargets);
+
+ dispatchEventToCurrentInputTargetsLocked(currentTime, entry, false);
+}
+
+void InputDispatcher::identifyInputTargetsAndDispatchMotionLocked(
+ nsecs_t currentTime, MotionEntry* entry) {
+#if DEBUG_DISPATCH_CYCLE
+ LOGD("identifyInputTargetsAndDispatchMotion");
+#endif
+
+ mReusableMotionEvent.initialize(entry->deviceId, entry->nature, entry->action,
+ entry->edgeFlags, entry->metaState,
+ entry->firstSample.pointerCoords[0].x, entry->firstSample.pointerCoords[0].y,
+ entry->xPrecision, entry->yPrecision,
+ entry->downTime, entry->eventTime, entry->pointerCount, entry->pointerIds,
+ entry->firstSample.pointerCoords);
+
+ mCurrentInputTargets.clear();
+ mPolicy->getMotionEventTargets(& mReusableMotionEvent, entry->policyFlags,
+ mCurrentInputTargets);
+
+ dispatchEventToCurrentInputTargetsLocked(currentTime, entry, false);
+}
+
+void InputDispatcher::dispatchEventToCurrentInputTargetsLocked(nsecs_t currentTime,
+ EventEntry* eventEntry, bool resumeWithAppendedMotionSample) {
+#if DEBUG_DISPATCH_CYCLE
+ LOGD("dispatchEventToCurrentInputTargets, "
+ "resumeWithAppendedMotionSample=%s",
+ resumeWithAppendedMotionSample ? "true" : "false");
+#endif
+
+ for (size_t i = 0; i < mCurrentInputTargets.size(); i++) {
+ const InputTarget& inputTarget = mCurrentInputTargets.itemAt(i);
+
+ ssize_t connectionIndex = mConnectionsByReceiveFd.indexOfKey(
+ inputTarget.inputChannel->getReceivePipeFd());
+ if (connectionIndex >= 0) {
+ sp<Connection> connection = mConnectionsByReceiveFd.valueAt(connectionIndex);
+ prepareDispatchCycleLocked(currentTime, connection.get(), eventEntry, & inputTarget,
+ resumeWithAppendedMotionSample);
+ } else {
+ LOGW("Framework requested delivery of an input event to channel '%s' but it "
+ "is not registered with the input dispatcher.",
+ inputTarget.inputChannel->getName().string());
+ }
+ }
+}
+
+void InputDispatcher::prepareDispatchCycleLocked(nsecs_t currentTime, Connection* connection,
+ EventEntry* eventEntry, const InputTarget* inputTarget,
+ bool resumeWithAppendedMotionSample) {
+#if DEBUG_DISPATCH_CYCLE
+ LOGD("channel '%s' ~ prepareDispatchCycle, flags=%d, timeout=%lldns, "
+ "xOffset=%f, yOffset=%f, resumeWithAppendedMotionSample=%s",
+ connection->getInputChannelName(), inputTarget->flags, inputTarget->timeout,
+ inputTarget->xOffset, inputTarget->yOffset,
+ resumeWithAppendedMotionSample ? "true" : "false");
+#endif
+
+ // Skip this event if the connection status is not normal.
+ // We don't want to queue outbound events at all if the connection is broken or
+ // not responding.
+ if (connection->status != Connection::STATUS_NORMAL) {
+ LOGV("channel '%s' ~ Dropping event because the channel status is %s",
+ connection->status == Connection::STATUS_BROKEN ? "BROKEN" : "NOT RESPONDING");
+ return;
+ }
+
+ // Resume the dispatch cycle with a freshly appended motion sample.
+ // First we check that the last dispatch entry in the outbound queue is for the same
+ // motion event to which we appended the motion sample. If we find such a dispatch
+ // entry, and if it is currently in progress then we try to stream the new sample.
+ bool wasEmpty = connection->outboundQueue.isEmpty();
+
+ if (! wasEmpty && resumeWithAppendedMotionSample) {
+ DispatchEntry* motionEventDispatchEntry =
+ connection->findQueuedDispatchEntryForEvent(eventEntry);
+ if (motionEventDispatchEntry) {
+ // If the dispatch entry is not in progress, then we must be busy dispatching an
+ // earlier event. Not a problem, the motion event is on the outbound queue and will
+ // be dispatched later.
+ if (! motionEventDispatchEntry->inProgress) {
+#if DEBUG_BATCHING
+ LOGD("channel '%s' ~ Not streaming because the motion event has "
+ "not yet been dispatched. "
+ "(Waiting for earlier events to be consumed.)",
+ connection->getInputChannelName());
+#endif
+ return;
+ }
+
+ // If the dispatch entry is in progress but it already has a tail of pending
+ // motion samples, then it must mean that the shared memory buffer filled up.
+ // Not a problem, when this dispatch cycle is finished, we will eventually start
+ // a new dispatch cycle to process the tail and that tail includes the newly
+ // appended motion sample.
+ if (motionEventDispatchEntry->tailMotionSample) {
+#if DEBUG_BATCHING
+ LOGD("channel '%s' ~ Not streaming because no new samples can "
+ "be appended to the motion event in this dispatch cycle. "
+ "(Waiting for next dispatch cycle to start.)",
+ connection->getInputChannelName());
+#endif
+ return;
+ }
+
+ // The dispatch entry is in progress and is still potentially open for streaming.
+ // Try to stream the new motion sample. This might fail if the consumer has already
+ // consumed the motion event (or if the channel is broken).
+ MotionSample* appendedMotionSample = static_cast<MotionEntry*>(eventEntry)->lastSample;
+ status_t status = connection->inputPublisher.appendMotionSample(
+ appendedMotionSample->eventTime, appendedMotionSample->pointerCoords);
+ if (status == OK) {
+#if DEBUG_BATCHING
+ LOGD("channel '%s' ~ Successfully streamed new motion sample.",
+ connection->getInputChannelName());
+#endif
+ return;
+ }
+
+#if DEBUG_BATCHING
+ if (status == NO_MEMORY) {
+ LOGD("channel '%s' ~ Could not append motion sample to currently "
+ "dispatched move event because the shared memory buffer is full. "
+ "(Waiting for next dispatch cycle to start.)",
+ connection->getInputChannelName());
+ } else if (status == status_t(FAILED_TRANSACTION)) {
+ LOGD("channel '%s' ~ Could not append motion sample to currently "
+ "dispatchedmove event because the event has already been consumed. "
+ "(Waiting for next dispatch cycle to start.)",
+ connection->getInputChannelName());
+ } else {
+ LOGD("channel '%s' ~ Could not append motion sample to currently "
+ "dispatched move event due to an error, status=%d. "
+ "(Waiting for next dispatch cycle to start.)",
+ connection->getInputChannelName(), status);
+ }
+#endif
+ // Failed to stream. Start a new tail of pending motion samples to dispatch
+ // in the next cycle.
+ motionEventDispatchEntry->tailMotionSample = appendedMotionSample;
+ return;
+ }
+ }
+
+ // This is a new event.
+ // Enqueue a new dispatch entry onto the outbound queue for this connection.
+ DispatchEntry* dispatchEntry = mAllocator.obtainDispatchEntry(eventEntry); // increments ref
+ dispatchEntry->targetFlags = inputTarget->flags;
+ dispatchEntry->xOffset = inputTarget->xOffset;
+ dispatchEntry->yOffset = inputTarget->yOffset;
+ dispatchEntry->timeout = inputTarget->timeout;
+ dispatchEntry->inProgress = false;
+ dispatchEntry->headMotionSample = NULL;
+ dispatchEntry->tailMotionSample = NULL;
+
+ // Handle the case where we could not stream a new motion sample because the consumer has
+ // already consumed the motion event (otherwise the corresponding dispatch entry would
+ // still be in the outbound queue for this connection). We set the head motion sample
+ // to the list starting with the newly appended motion sample.
+ if (resumeWithAppendedMotionSample) {
+#if DEBUG_BATCHING
+ LOGD("channel '%s' ~ Preparing a new dispatch cycle for additional motion samples "
+ "that cannot be streamed because the motion event has already been consumed.",
+ connection->getInputChannelName());
+#endif
+ MotionSample* appendedMotionSample = static_cast<MotionEntry*>(eventEntry)->lastSample;
+ dispatchEntry->headMotionSample = appendedMotionSample;
+ }
+
+ // Enqueue the dispatch entry.
+ connection->outboundQueue.enqueueAtTail(dispatchEntry);
+
+ // If the outbound queue was previously empty, start the dispatch cycle going.
+ if (wasEmpty) {
+ activateConnectionLocked(connection);
+ startDispatchCycleLocked(currentTime, connection);
+ }
+}
+
+void InputDispatcher::startDispatchCycleLocked(nsecs_t currentTime, Connection* connection) {
+#if DEBUG_DISPATCH_CYCLE
+ LOGD("channel '%s' ~ startDispatchCycle",
+ connection->getInputChannelName());
+#endif
+
+ assert(connection->status == Connection::STATUS_NORMAL);
+ assert(! connection->outboundQueue.isEmpty());
+
+ DispatchEntry* dispatchEntry = connection->outboundQueue.head.next;
+ assert(! dispatchEntry->inProgress);
+
+ // TODO throttle successive ACTION_MOVE motion events for the same device
+ // possible implementation could set a brief poll timeout here and resume starting the
+ // dispatch cycle when elapsed
+
+ // Publish the event.
+ status_t status;
+ switch (dispatchEntry->eventEntry->type) {
+ case EventEntry::TYPE_KEY: {
+ KeyEntry* keyEntry = static_cast<KeyEntry*>(dispatchEntry->eventEntry);
+
+ // Apply target flags.
+ int32_t action = keyEntry->action;
+ int32_t flags = keyEntry->flags;
+ if (dispatchEntry->targetFlags & InputTarget::FLAG_CANCEL) {
+ flags |= KEY_EVENT_FLAG_CANCELED;
+ }
+
+ // Publish the key event.
+ status = connection->inputPublisher.publishKeyEvent(keyEntry->deviceId, keyEntry->nature,
+ action, flags, keyEntry->keyCode, keyEntry->scanCode,
+ keyEntry->metaState, keyEntry->repeatCount, keyEntry->downTime,
+ keyEntry->eventTime);
+
+ if (status) {
+ LOGE("channel '%s' ~ Could not publish key event, "
+ "status=%d", connection->getInputChannelName(), status);
+ abortDispatchCycleLocked(currentTime, connection, true /*broken*/);
+ return;
+ }
+ break;
+ }
+
+ case EventEntry::TYPE_MOTION: {
+ MotionEntry* motionEntry = static_cast<MotionEntry*>(dispatchEntry->eventEntry);
+
+ // Apply target flags.
+ int32_t action = motionEntry->action;
+ if (dispatchEntry->targetFlags & InputTarget::FLAG_OUTSIDE) {
+ action = MOTION_EVENT_ACTION_OUTSIDE;
+ }
+ if (dispatchEntry->targetFlags & InputTarget::FLAG_CANCEL) {
+ action = MOTION_EVENT_ACTION_CANCEL;
+ }
+
+ // If headMotionSample is non-NULL, then it points to the first new sample that we
+ // were unable to dispatch during the previous cycle so we resume dispatching from
+ // that point in the list of motion samples.
+ // Otherwise, we just start from the first sample of the motion event.
+ MotionSample* firstMotionSample = dispatchEntry->headMotionSample;
+ if (! firstMotionSample) {
+ firstMotionSample = & motionEntry->firstSample;
+ }
+
+ // Publish the motion event and the first motion sample.
+ status = connection->inputPublisher.publishMotionEvent(motionEntry->deviceId,
+ motionEntry->nature, action, motionEntry->edgeFlags, motionEntry->metaState,
+ dispatchEntry->xOffset, dispatchEntry->yOffset,
+ motionEntry->xPrecision, motionEntry->yPrecision,
+ motionEntry->downTime, firstMotionSample->eventTime,
+ motionEntry->pointerCount, motionEntry->pointerIds,
+ firstMotionSample->pointerCoords);
+
+ if (status) {
+ LOGE("channel '%s' ~ Could not publish motion event, "
+ "status=%d", connection->getInputChannelName(), status);
+ abortDispatchCycleLocked(currentTime, connection, true /*broken*/);
+ return;
+ }
+
+ // Append additional motion samples.
+ MotionSample* nextMotionSample = firstMotionSample->next;
+ for (; nextMotionSample != NULL; nextMotionSample = nextMotionSample->next) {
+ status = connection->inputPublisher.appendMotionSample(
+ nextMotionSample->eventTime, nextMotionSample->pointerCoords);
+ if (status == NO_MEMORY) {
+#if DEBUG_DISPATCH_CYCLE
+ LOGD("channel '%s' ~ Shared memory buffer full. Some motion samples will "
+ "be sent in the next dispatch cycle.",
+ connection->getInputChannelName());
+#endif
+ break;
+ }
+ if (status != OK) {
+ LOGE("channel '%s' ~ Could not append motion sample "
+ "for a reason other than out of memory, status=%d",
+ connection->getInputChannelName(), status);
+ abortDispatchCycleLocked(currentTime, connection, true /*broken*/);
+ return;
+ }
+ }
+
+ // Remember the next motion sample that we could not dispatch, in case we ran out
+ // of space in the shared memory buffer.
+ dispatchEntry->tailMotionSample = nextMotionSample;
+ break;
+ }
+
+ default: {
+ assert(false);
+ }
+ }
+
+ // Send the dispatch signal.
+ status = connection->inputPublisher.sendDispatchSignal();
+ if (status) {
+ LOGE("channel '%s' ~ Could not send dispatch signal, status=%d",
+ connection->getInputChannelName(), status);
+ abortDispatchCycleLocked(currentTime, connection, true /*broken*/);
+ return;
+ }
+
+ // Record information about the newly started dispatch cycle.
+ dispatchEntry->inProgress = true;
+
+ connection->lastEventTime = dispatchEntry->eventEntry->eventTime;
+ connection->lastDispatchTime = currentTime;
+
+ nsecs_t timeout = dispatchEntry->timeout;
+ connection->nextTimeoutTime = (timeout >= 0) ? currentTime + timeout : LONG_LONG_MAX;
+
+ // Notify other system components.
+ onDispatchCycleStartedLocked(currentTime, connection);
+}
+
+void InputDispatcher::finishDispatchCycleLocked(nsecs_t currentTime, Connection* connection) {
+#if DEBUG_DISPATCH_CYCLE
+ LOGD("channel '%s' ~ finishDispatchCycle: %01.1fms since event, "
+ "%01.1fms since dispatch",
+ connection->getInputChannelName(),
+ connection->getEventLatencyMillis(currentTime),
+ connection->getDispatchLatencyMillis(currentTime));
+#endif
+
+ if (connection->status == Connection::STATUS_BROKEN) {
+ return;
+ }
+
+ // Clear the pending timeout.
+ connection->nextTimeoutTime = LONG_LONG_MAX;
+
+ if (connection->status == Connection::STATUS_NOT_RESPONDING) {
+ // Recovering from an ANR.
+ connection->status = Connection::STATUS_NORMAL;
+
+ // Notify other system components.
+ onDispatchCycleFinishedLocked(currentTime, connection, true /*recoveredFromANR*/);
+ } else {
+ // Normal finish. Not much to do here.
+
+ // Notify other system components.
+ onDispatchCycleFinishedLocked(currentTime, connection, false /*recoveredFromANR*/);
+ }
+
+ // Reset the publisher since the event has been consumed.
+ // We do this now so that the publisher can release some of its internal resources
+ // while waiting for the next dispatch cycle to begin.
+ status_t status = connection->inputPublisher.reset();
+ if (status) {
+ LOGE("channel '%s' ~ Could not reset publisher, status=%d",
+ connection->getInputChannelName(), status);
+ abortDispatchCycleLocked(currentTime, connection, true /*broken*/);
+ return;
+ }
+
+ // Start the next dispatch cycle for this connection.
+ while (! connection->outboundQueue.isEmpty()) {
+ DispatchEntry* dispatchEntry = connection->outboundQueue.head.next;
+ if (dispatchEntry->inProgress) {
+ // Finish or resume current event in progress.
+ if (dispatchEntry->tailMotionSample) {
+ // We have a tail of undispatched motion samples.
+ // Reuse the same DispatchEntry and start a new cycle.
+ dispatchEntry->inProgress = false;
+ dispatchEntry->headMotionSample = dispatchEntry->tailMotionSample;
+ dispatchEntry->tailMotionSample = NULL;
+ startDispatchCycleLocked(currentTime, connection);
+ return;
+ }
+ // Finished.
+ connection->outboundQueue.dequeueAtHead();
+ mAllocator.releaseDispatchEntry(dispatchEntry);
+ } else {
+ // If the head is not in progress, then we must have already dequeued the in
+ // progress event, which means we actually aborted it (due to ANR).
+ // So just start the next event for this connection.
+ startDispatchCycleLocked(currentTime, connection);
+ return;
+ }
+ }
+
+ // Outbound queue is empty, deactivate the connection.
+ deactivateConnectionLocked(connection);
+}
+
+bool InputDispatcher::timeoutDispatchCycleLocked(nsecs_t currentTime, Connection* connection) {
+#if DEBUG_DISPATCH_CYCLE
+ LOGD("channel '%s' ~ timeoutDispatchCycle",
+ connection->getInputChannelName());
+#endif
+
+ if (connection->status != Connection::STATUS_NORMAL) {
+ return false;
+ }
+
+ // Enter the not responding state.
+ connection->status = Connection::STATUS_NOT_RESPONDING;
+ connection->lastANRTime = currentTime;
+ bool deactivated = abortDispatchCycleLocked(currentTime, connection, false /*(not) broken*/);
+
+ // Notify other system components.
+ onDispatchCycleANRLocked(currentTime, connection);
+ return deactivated;
+}
+
+bool InputDispatcher::abortDispatchCycleLocked(nsecs_t currentTime, Connection* connection,
+ bool broken) {
+#if DEBUG_DISPATCH_CYCLE
+ LOGD("channel '%s' ~ abortDispatchCycle, broken=%s",
+ connection->getInputChannelName(), broken ? "true" : "false");
+#endif
+
+ if (connection->status == Connection::STATUS_BROKEN) {
+ return false;
+ }
+
+ // Clear the pending timeout.
+ connection->nextTimeoutTime = LONG_LONG_MAX;
+
+ // Clear the outbound queue.
+ while (! connection->outboundQueue.isEmpty()) {
+ DispatchEntry* dispatchEntry = connection->outboundQueue.dequeueAtHead();
+ mAllocator.releaseDispatchEntry(dispatchEntry);
+ }
+
+ // Outbound queue is empty, deactivate the connection.
+ deactivateConnectionLocked(connection);
+
+ // Handle the case where the connection appears to be unrecoverably broken.
+ if (broken) {
+ connection->status = Connection::STATUS_BROKEN;
+
+ // Notify other system components.
+ onDispatchCycleBrokenLocked(currentTime, connection);
+ }
+ return true; /*deactivated*/
+}
+
+bool InputDispatcher::handleReceiveCallback(int receiveFd, int events, void* data) {
+ InputDispatcher* d = static_cast<InputDispatcher*>(data);
+
+ { // acquire lock
+ AutoMutex _l(d->mLock);
+
+ ssize_t connectionIndex = d->mConnectionsByReceiveFd.indexOfKey(receiveFd);
+ if (connectionIndex < 0) {
+ LOGE("Received spurious receive callback for unknown input channel. "
+ "fd=%d, events=0x%x", receiveFd, events);
+ return false; // remove the callback
+ }
+
+ nsecs_t currentTime = systemTime(SYSTEM_TIME_MONOTONIC);
+
+ sp<Connection> connection = d->mConnectionsByReceiveFd.valueAt(connectionIndex);
+ if (events & (POLLERR | POLLHUP | POLLNVAL)) {
+ LOGE("channel '%s' ~ Consumer closed input channel or an error occurred. "
+ "events=0x%x", connection->getInputChannelName(), events);
+ d->abortDispatchCycleLocked(currentTime, connection.get(), true /*broken*/);
+ return false; // remove the callback
+ }
+
+ if (! (events & POLLIN)) {
+ LOGW("channel '%s' ~ Received spurious callback for unhandled poll event. "
+ "events=0x%x", connection->getInputChannelName(), events);
+ return true;
+ }
+
+ status_t status = connection->inputPublisher.receiveFinishedSignal();
+ if (status) {
+ LOGE("channel '%s' ~ Failed to receive finished signal. status=%d",
+ connection->getInputChannelName(), status);
+ d->abortDispatchCycleLocked(currentTime, connection.get(), true /*broken*/);
+ return false; // remove the callback
+ }
+
+ d->finishDispatchCycleLocked(currentTime, connection.get());
+ return true;
+ } // release lock
+}
+
+void InputDispatcher::notifyConfigurationChanged(nsecs_t eventTime, int32_t touchScreenConfig,
+ int32_t keyboardConfig, int32_t navigationConfig) {
+#if DEBUG_INBOUND_EVENT_DETAILS
+ LOGD("notifyConfigurationChanged - eventTime=%lld, touchScreenConfig=%d, "
+ "keyboardConfig=%d, navigationConfig=%d", eventTime,
+ touchScreenConfig, keyboardConfig, navigationConfig);
+#endif
+
+ bool wasEmpty;
+ { // acquire lock
+ AutoMutex _l(mLock);
+
+ ConfigurationChangedEntry* newEntry = mAllocator.obtainConfigurationChangedEntry();
+ newEntry->eventTime = eventTime;
+ newEntry->touchScreenConfig = touchScreenConfig;
+ newEntry->keyboardConfig = keyboardConfig;
+ newEntry->navigationConfig = navigationConfig;
+
+ wasEmpty = mInboundQueue.isEmpty();
+ mInboundQueue.enqueueAtTail(newEntry);
+ } // release lock
+
+ if (wasEmpty) {
+ mPollLoop->wake();
+ }
+}
+
+void InputDispatcher::notifyLidSwitchChanged(nsecs_t eventTime, bool lidOpen) {
+#if DEBUG_INBOUND_EVENT_DETAILS
+ LOGD("notifyLidSwitchChanged - eventTime=%lld, open=%s", eventTime,
+ lidOpen ? "true" : "false");
+#endif
+
+ // Send lid switch notification immediately and synchronously.
+ mPolicy->notifyLidSwitchChanged(eventTime, lidOpen);
+}
+
+void InputDispatcher::notifyAppSwitchComing(nsecs_t eventTime) {
+#if DEBUG_INBOUND_EVENT_DETAILS
+ LOGD("notifyAppSwitchComing - eventTime=%lld", eventTime);
+#endif
+
+ // Remove movement keys from the queue from most recent to least recent, stopping at the
+ // first non-movement key.
+ // TODO: Include a detailed description of why we do this...
+
+ { // acquire lock
+ AutoMutex _l(mLock);
+
+ for (EventEntry* entry = mInboundQueue.tail.prev; entry != & mInboundQueue.head; ) {
+ EventEntry* prev = entry->prev;
+
+ if (entry->type == EventEntry::TYPE_KEY) {
+ KeyEntry* keyEntry = static_cast<KeyEntry*>(entry);
+ if (isMovementKey(keyEntry->keyCode)) {
+ LOGV("Dropping movement key during app switch: keyCode=%d, action=%d",
+ keyEntry->keyCode, keyEntry->action);
+ mInboundQueue.dequeue(keyEntry);
+ mAllocator.releaseKeyEntry(keyEntry);
+ } else {
+ // stop at last non-movement key
+ break;
+ }
+ }
+
+ entry = prev;
+ }
+ } // release lock
+}
+
+void InputDispatcher::notifyKey(nsecs_t eventTime, int32_t deviceId, int32_t nature,
+ uint32_t policyFlags, int32_t action, int32_t flags,
+ int32_t keyCode, int32_t scanCode, int32_t metaState, nsecs_t downTime) {
+#if DEBUG_INBOUND_EVENT_DETAILS
+ LOGD("notifyKey - eventTime=%lld, deviceId=0x%x, nature=0x%x, policyFlags=0x%x, action=0x%x, "
+ "flags=0x%x, keyCode=0x%x, scanCode=0x%x, metaState=0x%x, downTime=%lld",
+ eventTime, deviceId, nature, policyFlags, action, flags,
+ keyCode, scanCode, metaState, downTime);
+#endif
+
+ bool wasEmpty;
+ { // acquire lock
+ AutoMutex _l(mLock);
+
+ KeyEntry* newEntry = mAllocator.obtainKeyEntry();
+ newEntry->eventTime = eventTime;
+ newEntry->deviceId = deviceId;
+ newEntry->nature = nature;
+ newEntry->policyFlags = policyFlags;
+ newEntry->action = action;
+ newEntry->flags = flags;
+ newEntry->keyCode = keyCode;
+ newEntry->scanCode = scanCode;
+ newEntry->metaState = metaState;
+ newEntry->repeatCount = 0;
+ newEntry->downTime = downTime;
+
+ wasEmpty = mInboundQueue.isEmpty();
+ mInboundQueue.enqueueAtTail(newEntry);
+ } // release lock
+
+ if (wasEmpty) {
+ mPollLoop->wake();
+ }
+}
+
+void InputDispatcher::notifyMotion(nsecs_t eventTime, int32_t deviceId, int32_t nature,
+ uint32_t policyFlags, int32_t action, int32_t metaState, int32_t edgeFlags,
+ uint32_t pointerCount, const int32_t* pointerIds, const PointerCoords* pointerCoords,
+ float xPrecision, float yPrecision, nsecs_t downTime) {
+#if DEBUG_INBOUND_EVENT_DETAILS
+ LOGD("notifyMotion - eventTime=%lld, deviceId=0x%x, nature=0x%x, policyFlags=0x%x, "
+ "action=0x%x, metaState=0x%x, edgeFlags=0x%x, xPrecision=%f, yPrecision=%f, "
+ "downTime=%lld",
+ eventTime, deviceId, nature, policyFlags, action, metaState, edgeFlags,
+ xPrecision, yPrecision, downTime);
+ for (uint32_t i = 0; i < pointerCount; i++) {
+ LOGD(" Pointer %d: id=%d, x=%f, y=%f, pressure=%f, size=%f",
+ i, pointerIds[i], pointerCoords[i].x, pointerCoords[i].y,
+ pointerCoords[i].pressure, pointerCoords[i].size);
+ }
+#endif
+
+ bool wasEmpty;
+ { // acquire lock
+ AutoMutex _l(mLock);
+
+ // Attempt batching and streaming of move events.
+ if (action == MOTION_EVENT_ACTION_MOVE) {
+ // BATCHING CASE
+ //
+ // Try to append a move sample to the tail of the inbound queue for this device.
+ // Give up if we encounter a non-move motion event for this device since that
+ // means we cannot append any new samples until a new motion event has started.
+ for (EventEntry* entry = mInboundQueue.tail.prev;
+ entry != & mInboundQueue.head; entry = entry->prev) {
+ if (entry->type != EventEntry::TYPE_MOTION) {
+ // Keep looking for motion events.
+ continue;
+ }
+
+ MotionEntry* motionEntry = static_cast<MotionEntry*>(entry);
+ if (motionEntry->deviceId != deviceId) {
+ // Keep looking for this device.
+ continue;
+ }
+
+ if (motionEntry->action != MOTION_EVENT_ACTION_MOVE
+ || motionEntry->pointerCount != pointerCount) {
+ // Last motion event in the queue for this device is not compatible for
+ // appending new samples. Stop here.
+ goto NoBatchingOrStreaming;
+ }
+
+ // The last motion event is a move and is compatible for appending.
+ // Do the batching magic and exit.
+ mAllocator.appendMotionSample(motionEntry, eventTime, pointerCount, pointerCoords);
+#if DEBUG_BATCHING
+ LOGD("Appended motion sample onto batch for most recent "
+ "motion event for this device in the inbound queue.");
+#endif
+ return; // done
+ }
+
+ // STREAMING CASE
+ //
+ // There is no pending motion event (of any kind) for this device in the inbound queue.
+ // Search the outbound queues for a synchronously dispatched motion event for this
+ // device. If found, then we append the new sample to that event and then try to
+ // push it out to all current targets. It is possible that some targets will already
+ // have consumed the motion event. This case is automatically handled by the
+ // logic in prepareDispatchCycleLocked by tracking where resumption takes place.
+ //
+ // The reason we look for a synchronously dispatched motion event is because we
+ // want to be sure that no other motion events have been dispatched since the move.
+ // It's also convenient because it means that the input targets are still valid.
+ // This code could be improved to support streaming of asynchronously dispatched
+ // motion events (which might be significantly more efficient) but it may become
+ // a little more complicated as a result.
+ //
+ // Note: This code crucially depends on the invariant that an outbound queue always
+ // contains at most one synchronous event and it is always last (but it might
+ // not be first!).
+ for (size_t i = 0; i < mActiveConnections.size(); i++) {
+ Connection* connection = mActiveConnections.itemAt(i);
+ if (! connection->outboundQueue.isEmpty()) {
+ DispatchEntry* dispatchEntry = connection->outboundQueue.tail.prev;
+ if (dispatchEntry->targetFlags & InputTarget::FLAG_SYNC) {
+ if (dispatchEntry->eventEntry->type != EventEntry::TYPE_MOTION) {
+ goto NoBatchingOrStreaming;
+ }
+
+ MotionEntry* syncedMotionEntry = static_cast<MotionEntry*>(
+ dispatchEntry->eventEntry);
+ if (syncedMotionEntry->action != MOTION_EVENT_ACTION_MOVE
+ || syncedMotionEntry->deviceId != deviceId
+ || syncedMotionEntry->pointerCount != pointerCount) {
+ goto NoBatchingOrStreaming;
+ }
+
+ // Found synced move entry. Append sample and resume dispatch.
+ mAllocator.appendMotionSample(syncedMotionEntry, eventTime,
+ pointerCount, pointerCoords);
+#if DEBUG_BATCHING
+ LOGD("Appended motion sample onto batch for most recent synchronously "
+ "dispatched motion event for this device in the outbound queues.");
+#endif
+ nsecs_t currentTime = systemTime(SYSTEM_TIME_MONOTONIC);
+ dispatchEventToCurrentInputTargetsLocked(currentTime, syncedMotionEntry,
+ true /*resumeWithAppendedMotionSample*/);
+ return; // done!
+ }
+ }
+ }
+
+NoBatchingOrStreaming:;
+ }
+
+ // Just enqueue a new motion event.
+ MotionEntry* newEntry = mAllocator.obtainMotionEntry();
+ newEntry->eventTime = eventTime;
+ newEntry->deviceId = deviceId;
+ newEntry->nature = nature;
+ newEntry->policyFlags = policyFlags;
+ newEntry->action = action;
+ newEntry->metaState = metaState;
+ newEntry->edgeFlags = edgeFlags;
+ newEntry->xPrecision = xPrecision;
+ newEntry->yPrecision = yPrecision;
+ newEntry->downTime = downTime;
+ newEntry->pointerCount = pointerCount;
+ newEntry->firstSample.eventTime = eventTime;
+ newEntry->lastSample = & newEntry->firstSample;
+ for (uint32_t i = 0; i < pointerCount; i++) {
+ newEntry->pointerIds[i] = pointerIds[i];
+ newEntry->firstSample.pointerCoords[i] = pointerCoords[i];
+ }
+
+ wasEmpty = mInboundQueue.isEmpty();
+ mInboundQueue.enqueueAtTail(newEntry);
+ } // release lock
+
+ if (wasEmpty) {
+ mPollLoop->wake();
+ }
+}
+
+void InputDispatcher::resetKeyRepeatLocked() {
+ if (mKeyRepeatState.lastKeyEntry) {
+ mAllocator.releaseKeyEntry(mKeyRepeatState.lastKeyEntry);
+ mKeyRepeatState.lastKeyEntry = NULL;
+ }
+}
+
+status_t InputDispatcher::registerInputChannel(const sp<InputChannel>& inputChannel) {
+ int receiveFd;
+ { // acquire lock
+ AutoMutex _l(mLock);
+
+ receiveFd = inputChannel->getReceivePipeFd();
+ if (mConnectionsByReceiveFd.indexOfKey(receiveFd) >= 0) {
+ LOGW("Attempted to register already registered input channel '%s'",
+ inputChannel->getName().string());
+ return BAD_VALUE;
+ }
+
+ sp<Connection> connection = new Connection(inputChannel);
+ status_t status = connection->initialize();
+ if (status) {
+ LOGE("Failed to initialize input publisher for input channel '%s', status=%d",
+ inputChannel->getName().string(), status);
+ return status;
+ }
+
+ mConnectionsByReceiveFd.add(receiveFd, connection);
+ } // release lock
+
+ mPollLoop->setCallback(receiveFd, POLLIN, handleReceiveCallback, this);
+ return OK;
+}
+
+status_t InputDispatcher::unregisterInputChannel(const sp<InputChannel>& inputChannel) {
+ int32_t receiveFd;
+ { // acquire lock
+ AutoMutex _l(mLock);
+
+ receiveFd = inputChannel->getReceivePipeFd();
+ ssize_t connectionIndex = mConnectionsByReceiveFd.indexOfKey(receiveFd);
+ if (connectionIndex < 0) {
+ LOGW("Attempted to unregister already unregistered input channel '%s'",
+ inputChannel->getName().string());
+ return BAD_VALUE;
+ }
+
+ sp<Connection> connection = mConnectionsByReceiveFd.valueAt(connectionIndex);
+ mConnectionsByReceiveFd.removeItemsAt(connectionIndex);
+
+ connection->status = Connection::STATUS_ZOMBIE;
+
+ nsecs_t currentTime = systemTime(SYSTEM_TIME_MONOTONIC);
+ abortDispatchCycleLocked(currentTime, connection.get(), true /*broken*/);
+ } // release lock
+
+ mPollLoop->removeCallback(receiveFd);
+
+ // Wake the poll loop because removing the connection may have changed the current
+ // synchronization state.
+ mPollLoop->wake();
+ return OK;
+}
+
+void InputDispatcher::activateConnectionLocked(Connection* connection) {
+ for (size_t i = 0; i < mActiveConnections.size(); i++) {
+ if (mActiveConnections.itemAt(i) == connection) {
+ return;
+ }
+ }
+ mActiveConnections.add(connection);
+}
+
+void InputDispatcher::deactivateConnectionLocked(Connection* connection) {
+ for (size_t i = 0; i < mActiveConnections.size(); i++) {
+ if (mActiveConnections.itemAt(i) == connection) {
+ mActiveConnections.removeAt(i);
+ return;
+ }
+ }
+}
+
+void InputDispatcher::onDispatchCycleStartedLocked(nsecs_t currentTime, Connection* connection) {
+}
+
+void InputDispatcher::onDispatchCycleFinishedLocked(nsecs_t currentTime,
+ Connection* connection, bool recoveredFromANR) {
+ if (recoveredFromANR) {
+ LOGI("channel '%s' ~ Recovered from ANR. %01.1fms since event, "
+ "%01.1fms since dispatch, %01.1fms since ANR",
+ connection->getInputChannelName(),
+ connection->getEventLatencyMillis(currentTime),
+ connection->getDispatchLatencyMillis(currentTime),
+ connection->getANRLatencyMillis(currentTime));
+
+ // TODO tell framework
+ }
+}
+
+void InputDispatcher::onDispatchCycleANRLocked(nsecs_t currentTime, Connection* connection) {
+ LOGI("channel '%s' ~ Not responding! %01.1fms since event, %01.1fms since dispatch",
+ connection->getInputChannelName(),
+ connection->getEventLatencyMillis(currentTime),
+ connection->getDispatchLatencyMillis(currentTime));
+
+ // TODO tell framework
+}
+
+void InputDispatcher::onDispatchCycleBrokenLocked(nsecs_t currentTime, Connection* connection) {
+ LOGE("channel '%s' ~ Channel is unrecoverably broken and will be disposed!",
+ connection->getInputChannelName());
+
+ // TODO tell framework
+}
+
+// --- InputDispatcher::Allocator ---
+
+InputDispatcher::Allocator::Allocator() {
+}
+
+InputDispatcher::ConfigurationChangedEntry*
+InputDispatcher::Allocator::obtainConfigurationChangedEntry() {
+ ConfigurationChangedEntry* entry = mConfigurationChangeEntryPool.alloc();
+ entry->refCount = 1;
+ entry->type = EventEntry::TYPE_CONFIGURATION_CHANGED;
+ return entry;
+}
+
+InputDispatcher::KeyEntry* InputDispatcher::Allocator::obtainKeyEntry() {
+ KeyEntry* entry = mKeyEntryPool.alloc();
+ entry->refCount = 1;
+ entry->type = EventEntry::TYPE_KEY;
+ return entry;
+}
+
+InputDispatcher::MotionEntry* InputDispatcher::Allocator::obtainMotionEntry() {
+ MotionEntry* entry = mMotionEntryPool.alloc();
+ entry->refCount = 1;
+ entry->type = EventEntry::TYPE_MOTION;
+ entry->firstSample.next = NULL;
+ return entry;
+}
+
+InputDispatcher::DispatchEntry* InputDispatcher::Allocator::obtainDispatchEntry(
+ EventEntry* eventEntry) {
+ DispatchEntry* entry = mDispatchEntryPool.alloc();
+ entry->eventEntry = eventEntry;
+ eventEntry->refCount += 1;
+ return entry;
+}
+
+void InputDispatcher::Allocator::releaseEventEntry(EventEntry* entry) {
+ switch (entry->type) {
+ case EventEntry::TYPE_CONFIGURATION_CHANGED:
+ releaseConfigurationChangedEntry(static_cast<ConfigurationChangedEntry*>(entry));
+ break;
+ case EventEntry::TYPE_KEY:
+ releaseKeyEntry(static_cast<KeyEntry*>(entry));
+ break;
+ case EventEntry::TYPE_MOTION:
+ releaseMotionEntry(static_cast<MotionEntry*>(entry));
+ break;
+ default:
+ assert(false);
+ break;
+ }
+}
+
+void InputDispatcher::Allocator::releaseConfigurationChangedEntry(
+ ConfigurationChangedEntry* entry) {
+ entry->refCount -= 1;
+ if (entry->refCount == 0) {
+ mConfigurationChangeEntryPool.free(entry);
+ } else {
+ assert(entry->refCount > 0);
+ }
+}
+
+void InputDispatcher::Allocator::releaseKeyEntry(KeyEntry* entry) {
+ entry->refCount -= 1;
+ if (entry->refCount == 0) {
+ mKeyEntryPool.free(entry);
+ } else {
+ assert(entry->refCount > 0);
+ }
+}
+
+void InputDispatcher::Allocator::releaseMotionEntry(MotionEntry* entry) {
+ entry->refCount -= 1;
+ if (entry->refCount == 0) {
+ freeMotionSampleList(entry->firstSample.next);
+ mMotionEntryPool.free(entry);
+ } else {
+ assert(entry->refCount > 0);
+ }
+}
+
+void InputDispatcher::Allocator::releaseDispatchEntry(DispatchEntry* entry) {
+ releaseEventEntry(entry->eventEntry);
+ mDispatchEntryPool.free(entry);
+}
+
+void InputDispatcher::Allocator::appendMotionSample(MotionEntry* motionEntry,
+ nsecs_t eventTime, int32_t pointerCount, const PointerCoords* pointerCoords) {
+ MotionSample* sample = mMotionSamplePool.alloc();
+ sample->eventTime = eventTime;
+ for (int32_t i = 0; i < pointerCount; i++) {
+ sample->pointerCoords[i] = pointerCoords[i];
+ }
+
+ sample->next = NULL;
+ motionEntry->lastSample->next = sample;
+ motionEntry->lastSample = sample;
+}
+
+void InputDispatcher::Allocator::freeMotionSample(MotionSample* sample) {
+ mMotionSamplePool.free(sample);
+}
+
+void InputDispatcher::Allocator::freeMotionSampleList(MotionSample* head) {
+ while (head) {
+ MotionSample* next = head->next;
+ mMotionSamplePool.free(head);
+ head = next;
+ }
+}
+
+// --- InputDispatcher::Connection ---
+
+InputDispatcher::Connection::Connection(const sp<InputChannel>& inputChannel) :
+ status(STATUS_NORMAL), inputChannel(inputChannel), inputPublisher(inputChannel),
+ nextTimeoutTime(LONG_LONG_MAX),
+ lastEventTime(LONG_LONG_MAX), lastDispatchTime(LONG_LONG_MAX),
+ lastANRTime(LONG_LONG_MAX) {
+}
+
+InputDispatcher::Connection::~Connection() {
+}
+
+status_t InputDispatcher::Connection::initialize() {
+ return inputPublisher.initialize();
+}
+
+InputDispatcher::DispatchEntry* InputDispatcher::Connection::findQueuedDispatchEntryForEvent(
+ const EventEntry* eventEntry) const {
+ for (DispatchEntry* dispatchEntry = outboundQueue.tail.prev;
+ dispatchEntry != & outboundQueue.head; dispatchEntry = dispatchEntry->prev) {
+ if (dispatchEntry->eventEntry == eventEntry) {
+ return dispatchEntry;
+ }
+ }
+ return NULL;
+}
+
+
+// --- InputDispatcherThread ---
+
+InputDispatcherThread::InputDispatcherThread(const sp<InputDispatcherInterface>& dispatcher) :
+ Thread(/*canCallJava*/ true), mDispatcher(dispatcher) {
+}
+
+InputDispatcherThread::~InputDispatcherThread() {
+}
+
+bool InputDispatcherThread::threadLoop() {
+ mDispatcher->dispatchOnce();
+ return true;
+}
+
+} // namespace android
diff --git a/libs/ui/InputManager.cpp b/libs/ui/InputManager.cpp
new file mode 100644
index 0000000..ab354a5
--- /dev/null
+++ b/libs/ui/InputManager.cpp
@@ -0,0 +1,114 @@
+//
+// Copyright 2010 The Android Open Source Project
+//
+// The input manager.
+//
+#define LOG_TAG "InputManager"
+
+//#define LOG_NDEBUG 0
+
+#include <cutils/log.h>
+#include <ui/InputManager.h>
+#include <ui/InputReader.h>
+#include <ui/InputDispatcher.h>
+
+namespace android {
+
+InputManager::InputManager(const sp<EventHubInterface>& eventHub,
+ const sp<InputDispatchPolicyInterface>& policy) :
+ mEventHub(eventHub), mPolicy(policy) {
+ mDispatcher = new InputDispatcher(policy);
+ mReader = new InputReader(eventHub, policy, mDispatcher);
+
+ mDispatcherThread = new InputDispatcherThread(mDispatcher);
+ mReaderThread = new InputReaderThread(mReader);
+
+ configureExcludedDevices();
+}
+
+InputManager::~InputManager() {
+ stop();
+}
+
+void InputManager::configureExcludedDevices() {
+ Vector<String8> excludedDeviceNames;
+ mPolicy->getExcludedDeviceNames(excludedDeviceNames);
+
+ for (size_t i = 0; i < excludedDeviceNames.size(); i++) {
+ mEventHub->addExcludedDevice(excludedDeviceNames[i]);
+ }
+}
+
+status_t InputManager::start() {
+ status_t result = mDispatcherThread->run("InputDispatcher", PRIORITY_URGENT_DISPLAY);
+ if (result) {
+ LOGE("Could not start InputDispatcher thread due to error %d.", result);
+ return result;
+ }
+
+ result = mReaderThread->run("InputReader", PRIORITY_URGENT_DISPLAY);
+ if (result) {
+ LOGE("Could not start InputReader thread due to error %d.", result);
+
+ mDispatcherThread->requestExit();
+ return result;
+ }
+
+ return OK;
+}
+
+status_t InputManager::stop() {
+ status_t result = mReaderThread->requestExitAndWait();
+ if (result) {
+ LOGW("Could not stop InputReader thread due to error %d.", result);
+ }
+
+ result = mDispatcherThread->requestExitAndWait();
+ if (result) {
+ LOGW("Could not stop InputDispatcher thread due to error %d.", result);
+ }
+
+ return OK;
+}
+
+status_t InputManager::registerInputChannel(const sp<InputChannel>& inputChannel) {
+ return mDispatcher->registerInputChannel(inputChannel);
+}
+
+status_t InputManager::unregisterInputChannel(const sp<InputChannel>& inputChannel) {
+ return mDispatcher->unregisterInputChannel(inputChannel);
+}
+
+int32_t InputManager::getScanCodeState(int32_t deviceId, int32_t deviceClasses, int32_t scanCode)
+ const {
+ int32_t vkKeyCode, vkScanCode;
+ if (mReader->getCurrentVirtualKey(& vkKeyCode, & vkScanCode)) {
+ if (vkScanCode == scanCode) {
+ return KEY_STATE_VIRTUAL;
+ }
+ }
+
+ return mEventHub->getScanCodeState(deviceId, deviceClasses, scanCode);
+}
+
+int32_t InputManager::getKeyCodeState(int32_t deviceId, int32_t deviceClasses, int32_t keyCode)
+ const {
+ int32_t vkKeyCode, vkScanCode;
+ if (mReader->getCurrentVirtualKey(& vkKeyCode, & vkScanCode)) {
+ if (vkKeyCode == keyCode) {
+ return KEY_STATE_VIRTUAL;
+ }
+ }
+
+ return mEventHub->getKeyCodeState(deviceId, deviceClasses, keyCode);
+}
+
+int32_t InputManager::getSwitchState(int32_t deviceId, int32_t deviceClasses, int32_t sw) const {
+ return mEventHub->getSwitchState(deviceId, deviceClasses, sw);
+}
+
+bool InputManager::hasKeys(size_t numCodes, const int32_t* keyCodes, uint8_t* outFlags) const {
+ return mEventHub->hasKeys(numCodes, keyCodes, outFlags);
+}
+
+} // namespace android
diff --git a/libs/ui/InputReader.cpp b/libs/ui/InputReader.cpp
new file mode 100644
index 0000000..76f9ec9
--- /dev/null
+++ b/libs/ui/InputReader.cpp
@@ -0,0 +1,1844 @@
+//
+// Copyright 2010 The Android Open Source Project
+//
+// The input reader.
+//
+#define LOG_TAG "InputReader"
+
+//#define LOG_NDEBUG 0
+
+// Log debug messages for each raw event received from the EventHub.
+#define DEBUG_RAW_EVENTS 0
+
+// Log debug messages about touch screen filtering hacks.
+#define DEBUG_HACKS 1
+
+// Log debug messages about virtual key processing.
+#define DEBUG_VIRTUAL_KEYS 1
+
+// Log debug messages about pointers.
+#define DEBUG_POINTERS 1
+
+#include <cutils/log.h>
+#include <ui/InputReader.h>
+
+#include <stddef.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <limits.h>
+
+namespace android {
+
+// --- Static Functions ---
+
+template<typename T>
+inline static T abs(const T& value) {
+ return value < 0 ? - value : value;
+}
+
+template<typename T>
+inline static T min(const T& a, const T& b) {
+ return a < b ? a : b;
+}
+
+int32_t updateMetaState(int32_t keyCode, bool down, int32_t oldMetaState) {
+ int32_t mask;
+ switch (keyCode) {
+ case KEYCODE_ALT_LEFT:
+ mask = META_ALT_LEFT_ON;
+ break;
+ case KEYCODE_ALT_RIGHT:
+ mask = META_ALT_RIGHT_ON;
+ break;
+ case KEYCODE_SHIFT_LEFT:
+ mask = META_SHIFT_LEFT_ON;
+ break;
+ case KEYCODE_SHIFT_RIGHT:
+ mask = META_SHIFT_RIGHT_ON;
+ break;
+ case KEYCODE_SYM:
+ mask = META_SYM_ON;
+ break;
+ default:
+ return oldMetaState;
+ }
+
+ int32_t newMetaState = down ? oldMetaState | mask : oldMetaState & ~ mask
+ & ~ (META_ALT_ON | META_SHIFT_ON);
+
+ if (newMetaState & (META_ALT_LEFT_ON | META_ALT_RIGHT_ON)) {
+ newMetaState |= META_ALT_ON;
+ }
+
+ if (newMetaState & (META_SHIFT_LEFT_ON | META_SHIFT_RIGHT_ON)) {
+ newMetaState |= META_SHIFT_ON;
+ }
+
+ return newMetaState;
+}
+
+static const int32_t keyCodeRotationMap[][4] = {
+ // key codes enumerated counter-clockwise with the original (unrotated) key first
+ // no rotation, 90 degree rotation, 180 degree rotation, 270 degree rotation
+ { KEYCODE_DPAD_DOWN, KEYCODE_DPAD_RIGHT, KEYCODE_DPAD_UP, KEYCODE_DPAD_LEFT },
+ { KEYCODE_DPAD_RIGHT, KEYCODE_DPAD_UP, KEYCODE_DPAD_LEFT, KEYCODE_DPAD_DOWN },
+ { KEYCODE_DPAD_UP, KEYCODE_DPAD_LEFT, KEYCODE_DPAD_DOWN, KEYCODE_DPAD_RIGHT },
+ { KEYCODE_DPAD_LEFT, KEYCODE_DPAD_DOWN, KEYCODE_DPAD_RIGHT, KEYCODE_DPAD_UP },
+};
+static const int keyCodeRotationMapSize =
+ sizeof(keyCodeRotationMap) / sizeof(keyCodeRotationMap[0]);
+
+int32_t rotateKeyCode(int32_t keyCode, int32_t orientation) {
+ if (orientation != InputDispatchPolicyInterface::ROTATION_0) {
+ for (int i = 0; i < keyCodeRotationMapSize; i++) {
+ if (keyCode == keyCodeRotationMap[i][0]) {
+ return keyCodeRotationMap[i][orientation];
+ }
+ }
+ }
+ return keyCode;
+}
+
+
+// --- InputDevice ---
+
+InputDevice::InputDevice(int32_t id, uint32_t classes, String8 name) :
+ id(id), classes(classes), name(name), ignored(false) {
+}
+
+void InputDevice::reset() {
+ if (isKeyboard()) {
+ keyboard.reset();
+ }
+
+ if (isTrackball()) {
+ trackball.reset();
+ }
+
+ if (isMultiTouchScreen()) {
+ multiTouchScreen.reset();
+ } else if (isSingleTouchScreen()) {
+ singleTouchScreen.reset();
+ }
+
+ if (isTouchScreen()) {
+ touchScreen.reset();
+ }
+}
+
+
+// --- InputDevice::TouchData ---
+
+void InputDevice::TouchData::copyFrom(const TouchData& other) {
+ pointerCount = other.pointerCount;
+ idBits = other.idBits;
+
+ for (uint32_t i = 0; i < pointerCount; i++) {
+ pointers[i] = other.pointers[i];
+ idToIndex[i] = other.idToIndex[i];
+ }
+}
+
+
+// --- InputDevice::KeyboardState ---
+
+void InputDevice::KeyboardState::reset() {
+ current.metaState = META_NONE;
+ current.downTime = 0;
+}
+
+
+// --- InputDevice::TrackballState ---
+
+void InputDevice::TrackballState::reset() {
+ accumulator.clear();
+ current.down = false;
+ current.downTime = 0;
+}
+
+
+// --- InputDevice::TouchScreenState ---
+
+void InputDevice::TouchScreenState::reset() {
+ lastTouch.clear();
+ downTime = 0;
+ currentVirtualKey.down = false;
+
+ for (uint32_t i = 0; i < MAX_POINTERS; i++) {
+ averagingTouchFilter.historyStart[i] = 0;
+ averagingTouchFilter.historyEnd[i] = 0;
+ }
+
+ jumpyTouchFilter.jumpyPointsDropped = 0;
+}
+
+void InputDevice::TouchScreenState::calculatePointerIds() {
+ uint32_t currentPointerCount = currentTouch.pointerCount;
+ uint32_t lastPointerCount = lastTouch.pointerCount;
+
+ if (currentPointerCount == 0) {
+ // No pointers to assign.
+ currentTouch.idBits.clear();
+ } else if (lastPointerCount == 0) {
+ // All pointers are new.
+ currentTouch.idBits.clear();
+ for (uint32_t i = 0; i < currentPointerCount; i++) {
+ currentTouch.pointers[i].id = i;
+ currentTouch.idToIndex[i] = i;
+ currentTouch.idBits.markBit(i);
+ }
+ } else if (currentPointerCount == 1 && lastPointerCount == 1) {
+ // Only one pointer and no change in count so it must have the same id as before.
+ uint32_t id = lastTouch.pointers[0].id;
+ currentTouch.pointers[0].id = id;
+ currentTouch.idToIndex[id] = 0;
+ currentTouch.idBits.value = BitSet32::valueForBit(id);
+ } else {
+ // General case.
+ // We build a heap of squared euclidean distances between current and last pointers
+ // associated with the current and last pointer indices. Then, we find the best
+ // match (by distance) for each current pointer.
+ struct {
+ uint32_t currentPointerIndex : 8;
+ uint32_t lastPointerIndex : 8;
+ uint64_t distance : 48; // squared distance
+ } heap[MAX_POINTERS * MAX_POINTERS];
+
+ uint32_t heapSize = 0;
+ for (uint32_t currentPointerIndex = 0; currentPointerIndex < currentPointerCount;
+ currentPointerIndex++) {
+ for (uint32_t lastPointerIndex = 0; lastPointerIndex < lastPointerCount;
+ lastPointerIndex++) {
+ int64_t deltaX = currentTouch.pointers[currentPointerIndex].x
+ - lastTouch.pointers[lastPointerIndex].x;
+ int64_t deltaY = currentTouch.pointers[currentPointerIndex].y
+ - lastTouch.pointers[lastPointerIndex].y;
+
+ uint64_t distance = uint64_t(deltaX * deltaX + deltaY * deltaY);
+
+ // Insert new element into the heap (sift up).
+ heapSize += 1;
+ uint32_t insertionIndex = heapSize;
+ while (insertionIndex > 1) {
+ uint32_t parentIndex = (insertionIndex - 1) / 2;
+ if (distance < heap[parentIndex].distance) {
+ heap[insertionIndex] = heap[parentIndex];
+ insertionIndex = parentIndex;
+ } else {
+ break;
+ }
+ }
+ heap[insertionIndex].currentPointerIndex = currentPointerIndex;
+ heap[insertionIndex].lastPointerIndex = lastPointerIndex;
+ heap[insertionIndex].distance = distance;
+ }
+ }
+
+ // Pull matches out by increasing order of distance.
+ // To avoid reassigning pointers that have already been matched, the loop keeps track
+ // of which last and current pointers have been matched using the matchedXXXBits variables.
+ // It also tracks the used pointer id bits.
+ BitSet32 matchedLastBits(0);
+ BitSet32 matchedCurrentBits(0);
+ BitSet32 usedIdBits(0);
+ bool first = true;
+ for (uint32_t i = min(currentPointerCount, lastPointerCount); i > 0; i--) {
+ for (;;) {
+ if (first) {
+ // The first time through the loop, we just consume the root element of
+ // the heap (the one with smalled distance).
+ first = false;
+ } else {
+ // Previous iterations consumed the root element of the heap.
+ // Pop root element off of the heap (sift down).
+ heapSize -= 1;
+ assert(heapSize > 0);
+
+ // Sift down to find where the element at index heapSize needs to be moved.
+ uint32_t rootIndex = 0;
+ for (;;) {
+ uint32_t childIndex = rootIndex * 2 + 1;
+ if (childIndex >= heapSize) {
+ break;
+ }
+
+ if (childIndex + 1 < heapSize
+ && heap[childIndex + 1].distance < heap[childIndex].distance) {
+ childIndex += 1;
+ }
+
+ if (heap[heapSize].distance < heap[childIndex].distance) {
+ break;
+ }
+
+ heap[rootIndex] = heap[childIndex];
+ rootIndex = childIndex;
+ }
+ heap[rootIndex] = heap[heapSize];
+ }
+
+ uint32_t currentPointerIndex = heap[0].currentPointerIndex;
+ if (matchedCurrentBits.hasBit(currentPointerIndex)) continue; // already matched
+
+ uint32_t lastPointerIndex = heap[0].lastPointerIndex;
+ if (matchedLastBits.hasBit(lastPointerIndex)) continue; // already matched
+
+ matchedCurrentBits.markBit(currentPointerIndex);
+ matchedLastBits.markBit(lastPointerIndex);
+
+ uint32_t id = lastTouch.pointers[lastPointerIndex].id;
+ currentTouch.pointers[currentPointerIndex].id = id;
+ currentTouch.idToIndex[id] = currentPointerIndex;
+ usedIdBits.markBit(id);
+ break;
+ }
+ }
+
+ // Assign fresh ids to new pointers.
+ if (currentPointerCount > lastPointerCount) {
+ for (uint32_t i = currentPointerCount - lastPointerCount; ;) {
+ uint32_t currentPointerIndex = matchedCurrentBits.firstUnmarkedBit();
+ uint32_t id = usedIdBits.firstUnmarkedBit();
+
+ currentTouch.pointers[currentPointerIndex].id = id;
+ currentTouch.idToIndex[id] = currentPointerIndex;
+ usedIdBits.markBit(id);
+
+ if (--i == 0) break; // done
+ matchedCurrentBits.markBit(currentPointerIndex);
+ }
+ }
+
+ // Fix id bits.
+ currentTouch.idBits = usedIdBits;
+ }
+}
+
+/* Special hack for devices that have bad screen data: if one of the
+ * points has moved more than a screen height from the last position,
+ * then drop it. */
+bool InputDevice::TouchScreenState::applyBadTouchFilter() {
+ uint32_t pointerCount = currentTouch.pointerCount;
+
+ // Nothing to do if there are no points.
+ if (pointerCount == 0) {
+ return false;
+ }
+
+ // Don't do anything if a finger is going down or up. We run
+ // here before assigning pointer IDs, so there isn't a good
+ // way to do per-finger matching.
+ if (pointerCount != lastTouch.pointerCount) {
+ return false;
+ }
+
+ // We consider a single movement across more than a 7/16 of
+ // the long size of the screen to be bad. This was a magic value
+ // determined by looking at the maximum distance it is feasible
+ // to actually move in one sample.
+ int32_t maxDeltaY = parameters.yAxis.range * 7 / 16;
+
+ // XXX The original code in InputDevice.java included commented out
+ // code for testing the X axis. Note that when we drop a point
+ // we don't actually restore the old X either. Strange.
+ // The old code also tries to track when bad points were previously
+ // detected but it turns out that due to the placement of a "break"
+ // at the end of the loop, we never set mDroppedBadPoint to true
+ // so it is effectively dead code.
+ // Need to figure out if the old code is busted or just overcomplicated
+ // but working as intended.
+
+ // Look through all new points and see if any are farther than
+ // acceptable from all previous points.
+ for (uint32_t i = pointerCount; i-- > 0; ) {
+ int32_t y = currentTouch.pointers[i].y;
+ int32_t closestY = INT_MAX;
+ int32_t closestDeltaY = 0;
+
+#if DEBUG_HACKS
+ LOGD("BadTouchFilter: Looking at next point #%d: y=%d", i, y);
+#endif
+
+ for (uint32_t j = pointerCount; j-- > 0; ) {
+ int32_t lastY = lastTouch.pointers[j].y;
+ int32_t deltaY = abs(y - lastY);
+
+#if DEBUG_HACKS
+ LOGD("BadTouchFilter: Comparing with last point #%d: y=%d deltaY=%d",
+ j, lastY, deltaY);
+#endif
+
+ if (deltaY < maxDeltaY) {
+ goto SkipSufficientlyClosePoint;
+ }
+ if (deltaY < closestDeltaY) {
+ closestDeltaY = deltaY;
+ closestY = lastY;
+ }
+ }
+
+ // Must not have found a close enough match.
+#if DEBUG_HACKS
+ LOGD("BadTouchFilter: Dropping bad point #%d: newY=%d oldY=%d deltaY=%d maxDeltaY=%d",
+ i, y, closestY, closestDeltaY, maxDeltaY);
+#endif
+
+ currentTouch.pointers[i].y = closestY;
+ return true; // XXX original code only corrects one point
+
+ SkipSufficientlyClosePoint: ;
+ }
+
+ // No change.
+ return false;
+}
+
+/* Special hack for devices that have bad screen data: drop points where
+ * the coordinate value for one axis has jumped to the other pointer's location.
+ */
+bool InputDevice::TouchScreenState::applyJumpyTouchFilter() {
+ uint32_t pointerCount = currentTouch.pointerCount;
+ if (lastTouch.pointerCount != pointerCount) {
+#if DEBUG_HACKS
+ LOGD("JumpyTouchFilter: Different pointer count %d -> %d",
+ lastTouch.pointerCount, pointerCount);
+ for (uint32_t i = 0; i < pointerCount; i++) {
+ LOGD(" Pointer %d (%d, %d)", i,
+ currentTouch.pointers[i].x, currentTouch.pointers[i].y);
+ }
+#endif
+
+ if (jumpyTouchFilter.jumpyPointsDropped < JUMPY_TRANSITION_DROPS) {
+ if (lastTouch.pointerCount == 1 && pointerCount == 2) {
+ // Just drop the first few events going from 1 to 2 pointers.
+ // They're bad often enough that they're not worth considering.
+ currentTouch.pointerCount = 1;
+ jumpyTouchFilter.jumpyPointsDropped += 1;
+
+#if DEBUG_HACKS
+ LOGD("JumpyTouchFilter: Pointer 2 dropped");
+#endif
+ return true;
+ } else if (lastTouch.pointerCount == 2 && pointerCount == 1) {
+ // The event when we go from 2 -> 1 tends to be messed up too
+ currentTouch.pointerCount = 2;
+ currentTouch.pointers[0] = lastTouch.pointers[0];
+ currentTouch.pointers[1] = lastTouch.pointers[1];
+ jumpyTouchFilter.jumpyPointsDropped += 1;
+
+#if DEBUG_HACKS
+ for (int32_t i = 0; i < 2; i++) {
+ LOGD("JumpyTouchFilter: Pointer %d replaced (%d, %d)", i,
+ currentTouch.pointers[i].x, currentTouch.pointers[i].y);
+ }
+#endif
+ return true;
+ }
+ }
+ // Reset jumpy points dropped on other transitions or if limit exceeded.
+ jumpyTouchFilter.jumpyPointsDropped = 0;
+
+#if DEBUG_HACKS
+ LOGD("JumpyTouchFilter: Transition - drop limit reset");
+#endif
+ return false;
+ }
+
+ // We have the same number of pointers as last time.
+ // A 'jumpy' point is one where the coordinate value for one axis
+ // has jumped to the other pointer's location. No need to do anything
+ // else if we only have one pointer.
+ if (pointerCount < 2) {
+ return false;
+ }
+
+ if (jumpyTouchFilter.jumpyPointsDropped < JUMPY_DROP_LIMIT) {
+ int jumpyEpsilon = parameters.yAxis.range / JUMPY_EPSILON_DIVISOR;
+
+ // We only replace the single worst jumpy point as characterized by pointer distance
+ // in a single axis.
+ int32_t badPointerIndex = -1;
+ int32_t badPointerReplacementIndex = -1;
+ int32_t badPointerDistance = INT_MIN; // distance to be corrected
+
+ for (uint32_t i = pointerCount; i-- > 0; ) {
+ int32_t x = currentTouch.pointers[i].x;
+ int32_t y = currentTouch.pointers[i].y;
+
+#if DEBUG_HACKS
+ LOGD("JumpyTouchFilter: Point %d (%d, %d)", i, x, y);
+#endif
+
+ // Check if a touch point is too close to another's coordinates
+ bool dropX = false, dropY = false;
+ for (uint32_t j = 0; j < pointerCount; j++) {
+ if (i == j) {
+ continue;
+ }
+
+ if (abs(x - currentTouch.pointers[j].x) <= jumpyEpsilon) {
+ dropX = true;
+ break;
+ }
+
+ if (abs(y - currentTouch.pointers[j].y) <= jumpyEpsilon) {
+ dropY = true;
+ break;
+ }
+ }
+ if (! dropX && ! dropY) {
+ continue; // not jumpy
+ }
+
+ // Find a replacement candidate by comparing with older points on the
+ // complementary (non-jumpy) axis.
+ int32_t distance = INT_MIN; // distance to be corrected
+ int32_t replacementIndex = -1;
+
+ if (dropX) {
+ // X looks too close. Find an older replacement point with a close Y.
+ int32_t smallestDeltaY = INT_MAX;
+ for (uint32_t j = 0; j < pointerCount; j++) {
+ int32_t deltaY = abs(y - lastTouch.pointers[j].y);
+ if (deltaY < smallestDeltaY) {
+ smallestDeltaY = deltaY;
+ replacementIndex = j;
+ }
+ }
+ distance = abs(x - lastTouch.pointers[replacementIndex].x);
+ } else {
+ // Y looks too close. Find an older replacement point with a close X.
+ int32_t smallestDeltaX = INT_MAX;
+ for (uint32_t j = 0; j < pointerCount; j++) {
+ int32_t deltaX = abs(x - lastTouch.pointers[j].x);
+ if (deltaX < smallestDeltaX) {
+ smallestDeltaX = deltaX;
+ replacementIndex = j;
+ }
+ }
+ distance = abs(y - lastTouch.pointers[replacementIndex].y);
+ }
+
+ // If replacing this pointer would correct a worse error than the previous ones
+ // considered, then use this replacement instead.
+ if (distance > badPointerDistance) {
+ badPointerIndex = i;
+ badPointerReplacementIndex = replacementIndex;
+ badPointerDistance = distance;
+ }
+ }
+
+ // Correct the jumpy pointer if one was found.
+ if (badPointerIndex >= 0) {
+#if DEBUG_HACKS
+ LOGD("JumpyTouchFilter: Replacing bad pointer %d with (%d, %d)",
+ badPointerIndex,
+ lastTouch.pointers[badPointerReplacementIndex].x,
+ lastTouch.pointers[badPointerReplacementIndex].y);
+#endif
+
+ currentTouch.pointers[badPointerIndex].x =
+ lastTouch.pointers[badPointerReplacementIndex].x;
+ currentTouch.pointers[badPointerIndex].y =
+ lastTouch.pointers[badPointerReplacementIndex].y;
+ jumpyTouchFilter.jumpyPointsDropped += 1;
+ return true;
+ }
+ }
+
+ jumpyTouchFilter.jumpyPointsDropped = 0;
+ return false;
+}
+
+/* Special hack for devices that have bad screen data: aggregate and
+ * compute averages of the coordinate data, to reduce the amount of
+ * jitter seen by applications. */
+void InputDevice::TouchScreenState::applyAveragingTouchFilter() {
+ for (uint32_t currentIndex = 0; currentIndex < currentTouch.pointerCount; currentIndex++) {
+ uint32_t id = currentTouch.pointers[currentIndex].id;
+ int32_t x = currentTouch.pointers[currentIndex].x;
+ int32_t y = currentTouch.pointers[currentIndex].y;
+ int32_t pressure = currentTouch.pointers[currentIndex].pressure;
+
+ if (lastTouch.idBits.hasBit(id)) {
+ // Pointer still down compute average.
+ uint32_t start = averagingTouchFilter.historyStart[id];
+ uint32_t end = averagingTouchFilter.historyEnd[id];
+
+ int64_t deltaX = x - averagingTouchFilter.historyData[end].pointers[id].x;
+ int64_t deltaY = y - averagingTouchFilter.historyData[end].pointers[id].y;
+ uint64_t distance = uint64_t(deltaX * deltaX + deltaY * deltaY);
+
+#if DEBUG_HACKS
+ LOGD("AveragingTouchFilter: Pointer id %d - Distance from last sample: %lld",
+ id, distance);
+#endif
+
+ if (distance < AVERAGING_DISTANCE_LIMIT) {
+ end += 1;
+ if (end > AVERAGING_HISTORY_SIZE) {
+ end = 0;
+ }
+
+ if (end == start) {
+ start += 1;
+ if (start > AVERAGING_HISTORY_SIZE) {
+ start = 0;
+ }
+ }
+
+ averagingTouchFilter.historyStart[id] = start;
+ averagingTouchFilter.historyEnd[id] = end;
+ averagingTouchFilter.historyData[end].pointers[id].x = x;
+ averagingTouchFilter.historyData[end].pointers[id].y = y;
+ averagingTouchFilter.historyData[end].pointers[id].pressure = pressure;
+
+ int32_t averagedX = 0;
+ int32_t averagedY = 0;
+ int32_t totalPressure = 0;
+ for (;;) {
+ int32_t historicalX = averagingTouchFilter.historyData[start].pointers[id].x;
+ int32_t historicalY = averagingTouchFilter.historyData[start].pointers[id].x;
+ int32_t historicalPressure = averagingTouchFilter.historyData[start]
+ .pointers[id].pressure;
+
+ averagedX += historicalX;
+ averagedY += historicalY;
+ totalPressure += historicalPressure;
+
+ if (start == end) {
+ break;
+ }
+
+ start += 1;
+ if (start > AVERAGING_HISTORY_SIZE) {
+ start = 0;
+ }
+ }
+
+ averagedX /= totalPressure;
+ averagedY /= totalPressure;
+
+#if DEBUG_HACKS
+ LOGD("AveragingTouchFilter: Pointer id %d - "
+ "totalPressure=%d, averagedX=%d, averagedY=%d", id, totalPressure,
+ averagedX, averagedY);
+#endif
+
+ currentTouch.pointers[currentIndex].x = averagedX;
+ currentTouch.pointers[currentIndex].y = averagedY;
+ } else {
+#if DEBUG_HACKS
+ LOGD("AveragingTouchFilter: Pointer id %d - Exceeded max distance", id);
+#endif
+ }
+ } else {
+#if DEBUG_HACKS
+ LOGD("AveragingTouchFilter: Pointer id %d - Pointer went up", id);
+#endif
+ }
+
+ // Reset pointer history.
+ averagingTouchFilter.historyStart[id] = 0;
+ averagingTouchFilter.historyEnd[id] = 0;
+ averagingTouchFilter.historyData[0].pointers[id].x = x;
+ averagingTouchFilter.historyData[0].pointers[id].y = y;
+ averagingTouchFilter.historyData[0].pointers[id].pressure = pressure;
+ }
+}
+
+bool InputDevice::TouchScreenState::isPointInsideDisplay(int32_t x, int32_t y) const {
+ return x >= parameters.xAxis.minValue
+ && x <= parameters.xAxis.maxValue
+ && y >= parameters.yAxis.minValue
+ && y <= parameters.yAxis.maxValue;
+}
+
+
+// --- InputDevice::SingleTouchScreenState ---
+
+void InputDevice::SingleTouchScreenState::reset() {
+ accumulator.clear();
+ current.down = false;
+ current.x = 0;
+ current.y = 0;
+ current.pressure = 0;
+ current.size = 0;
+}
+
+
+// --- InputDevice::MultiTouchScreenState ---
+
+void InputDevice::MultiTouchScreenState::reset() {
+ accumulator.clear();
+}
+
+
+// --- InputReader ---
+
+InputReader::InputReader(const sp<EventHubInterface>& eventHub,
+ const sp<InputDispatchPolicyInterface>& policy,
+ const sp<InputDispatcherInterface>& dispatcher) :
+ mEventHub(eventHub), mPolicy(policy), mDispatcher(dispatcher) {
+ resetGlobalMetaState();
+ resetDisplayProperties();
+ updateGlobalVirtualKeyState();
+}
+
+InputReader::~InputReader() {
+ for (size_t i = 0; i < mDevices.size(); i++) {
+ delete mDevices.valueAt(i);
+ }
+}
+
+void InputReader::loopOnce() {
+ RawEvent rawEvent;
+ mEventHub->getEvent(& rawEvent.deviceId, & rawEvent.type, & rawEvent.scanCode,
+ & rawEvent.keyCode, & rawEvent.flags, & rawEvent.value, & rawEvent.when);
+
+ // Replace the event timestamp so it is in same timebase as java.lang.System.nanoTime()
+ // and android.os.SystemClock.uptimeMillis() as expected by the rest of the system.
+ rawEvent.when = systemTime(SYSTEM_TIME_MONOTONIC);
+
+#if DEBUG_RAW_EVENTS
+ LOGD("Input event: device=0x%x type=0x%x scancode=%d keycode=%d value=%d",
+ rawEvent.deviceId, rawEvent.type, rawEvent.scanCode, rawEvent.keyCode,
+ rawEvent.value);
+#endif
+
+ process(& rawEvent);
+}
+
+void InputReader::process(const RawEvent* rawEvent) {
+ switch (rawEvent->type) {
+ case EventHubInterface::DEVICE_ADDED:
+ handleDeviceAdded(rawEvent);
+ break;
+
+ case EventHubInterface::DEVICE_REMOVED:
+ handleDeviceRemoved(rawEvent);
+ break;
+
+ case EV_SYN:
+ handleSync(rawEvent);
+ break;
+
+ case EV_KEY:
+ handleKey(rawEvent);
+ break;
+
+ case EV_REL:
+ handleRelativeMotion(rawEvent);
+ break;
+
+ case EV_ABS:
+ handleAbsoluteMotion(rawEvent);
+ break;
+
+ case EV_SW:
+ handleSwitch(rawEvent);
+ break;
+ }
+}
+
+void InputReader::handleDeviceAdded(const RawEvent* rawEvent) {
+ InputDevice* device = getDevice(rawEvent->deviceId);
+ if (device) {
+ LOGW("Ignoring spurious device added event for deviceId %d.", rawEvent->deviceId);
+ return;
+ }
+
+ addDevice(rawEvent->when, rawEvent->deviceId);
+}
+
+void InputReader::handleDeviceRemoved(const RawEvent* rawEvent) {
+ InputDevice* device = getDevice(rawEvent->deviceId);
+ if (! device) {
+ LOGW("Ignoring spurious device removed event for deviceId %d.", rawEvent->deviceId);
+ return;
+ }
+
+ removeDevice(rawEvent->when, device);
+}
+
+void InputReader::handleSync(const RawEvent* rawEvent) {
+ InputDevice* device = getNonIgnoredDevice(rawEvent->deviceId);
+ if (! device) return;
+
+ if (rawEvent->scanCode == SYN_MT_REPORT) {
+ // MultiTouch Sync: The driver has returned all data for *one* of the pointers.
+ // We drop pointers with pressure <= 0 since that indicates they are not down.
+ if (device->isMultiTouchScreen()) {
+ uint32_t pointerIndex = device->multiTouchScreen.accumulator.pointerCount;
+
+ if (device->multiTouchScreen.accumulator.pointers[pointerIndex].fields) {
+ if (pointerIndex == MAX_POINTERS) {
+ LOGW("MultiTouch device driver returned more than maximum of %d pointers.",
+ MAX_POINTERS);
+ } else {
+ pointerIndex += 1;
+ device->multiTouchScreen.accumulator.pointerCount = pointerIndex;
+ }
+ }
+
+ device->multiTouchScreen.accumulator.pointers[pointerIndex].clear();
+ }
+ } else if (rawEvent->scanCode == SYN_REPORT) {
+ // General Sync: The driver has returned all data for the current event update.
+ if (device->isMultiTouchScreen()) {
+ if (device->multiTouchScreen.accumulator.isDirty()) {
+ onMultiTouchScreenStateChanged(rawEvent->when, device);
+ device->multiTouchScreen.accumulator.clear();
+ }
+ } else if (device->isSingleTouchScreen()) {
+ if (device->singleTouchScreen.accumulator.isDirty()) {
+ onSingleTouchScreenStateChanged(rawEvent->when, device);
+ device->singleTouchScreen.accumulator.clear();
+ }
+ }
+
+ if (device->trackball.accumulator.isDirty()) {
+ onTrackballStateChanged(rawEvent->when, device);
+ device->trackball.accumulator.clear();
+ }
+ }
+}
+
+void InputReader::handleKey(const RawEvent* rawEvent) {
+ InputDevice* device = getNonIgnoredDevice(rawEvent->deviceId);
+ if (! device) return;
+
+ bool down = rawEvent->value != 0;
+ int32_t scanCode = rawEvent->scanCode;
+
+ if (device->isKeyboard() && (scanCode < BTN_FIRST || scanCode > BTN_LAST)) {
+ int32_t keyCode = rawEvent->keyCode;
+ onKey(rawEvent->when, device, down, keyCode, scanCode, rawEvent->flags);
+ } else if (device->isSingleTouchScreen()) {
+ switch (rawEvent->scanCode) {
+ case BTN_TOUCH:
+ device->singleTouchScreen.accumulator.fields |=
+ InputDevice::SingleTouchScreenState::Accumulator::FIELD_BTN_TOUCH;
+ device->singleTouchScreen.accumulator.btnTouch = down;
+ break;
+ }
+ } else if (device->isTrackball()) {
+ switch (rawEvent->scanCode) {
+ case BTN_MOUSE:
+ device->trackball.accumulator.fields |=
+ InputDevice::TrackballState::Accumulator::FIELD_BTN_MOUSE;
+ device->trackball.accumulator.btnMouse = down;
+
+ // send the down immediately
+ // XXX this emulates the old behavior of KeyInputQueue, unclear whether it is
+ // necessary or if we can wait until the next sync
+ onTrackballStateChanged(rawEvent->when, device);
+ device->trackball.accumulator.clear();
+ break;
+ }
+ }
+}
+
+void InputReader::handleRelativeMotion(const RawEvent* rawEvent) {
+ InputDevice* device = getNonIgnoredDevice(rawEvent->deviceId);
+ if (! device) return;
+
+ if (device->isTrackball()) {
+ switch (rawEvent->scanCode) {
+ case REL_X:
+ device->trackball.accumulator.fields |=
+ InputDevice::TrackballState::Accumulator::FIELD_REL_X;
+ device->trackball.accumulator.relX = rawEvent->value;
+ break;
+ case REL_Y:
+ device->trackball.accumulator.fields |=
+ InputDevice::TrackballState::Accumulator::FIELD_REL_Y;
+ device->trackball.accumulator.relY = rawEvent->value;
+ break;
+ }
+ }
+}
+
+void InputReader::handleAbsoluteMotion(const RawEvent* rawEvent) {
+ InputDevice* device = getNonIgnoredDevice(rawEvent->deviceId);
+ if (! device) return;
+
+ if (device->isMultiTouchScreen()) {
+ uint32_t pointerIndex = device->multiTouchScreen.accumulator.pointerCount;
+ InputDevice::MultiTouchScreenState::Accumulator::Pointer* pointer =
+ & device->multiTouchScreen.accumulator.pointers[pointerIndex];
+
+ switch (rawEvent->scanCode) {
+ case ABS_MT_POSITION_X:
+ pointer->fields |=
+ InputDevice::MultiTouchScreenState::Accumulator::FIELD_ABS_MT_POSITION_X;
+ pointer->absMTPositionX = rawEvent->value;
+ break;
+ case ABS_MT_POSITION_Y:
+ pointer->fields |=
+ InputDevice::MultiTouchScreenState::Accumulator::FIELD_ABS_MT_POSITION_Y;
+ pointer->absMTPositionY = rawEvent->value;
+ break;
+ case ABS_MT_TOUCH_MAJOR:
+ pointer->fields |=
+ InputDevice::MultiTouchScreenState::Accumulator::FIELD_ABS_MT_TOUCH_MAJOR;
+ pointer->absMTTouchMajor = rawEvent->value;
+ break;
+ case ABS_MT_WIDTH_MAJOR:
+ pointer->fields |=
+ InputDevice::MultiTouchScreenState::Accumulator::FIELD_ABS_MT_WIDTH_MAJOR;
+ pointer->absMTWidthMajor = rawEvent->value;
+ break;
+ case ABS_MT_TRACKING_ID:
+ pointer->fields |=
+ InputDevice::MultiTouchScreenState::Accumulator::FIELD_ABS_MT_TRACKING_ID;
+ pointer->absMTTrackingId = rawEvent->value;
+ break;
+ }
+ } else if (device->isSingleTouchScreen()) {
+ switch (rawEvent->scanCode) {
+ case ABS_X:
+ device->singleTouchScreen.accumulator.fields |=
+ InputDevice::SingleTouchScreenState::Accumulator::FIELD_ABS_X;
+ device->singleTouchScreen.accumulator.absX = rawEvent->value;
+ break;
+ case ABS_Y:
+ device->singleTouchScreen.accumulator.fields |=
+ InputDevice::SingleTouchScreenState::Accumulator::FIELD_ABS_Y;
+ device->singleTouchScreen.accumulator.absY = rawEvent->value;
+ break;
+ case ABS_PRESSURE:
+ device->singleTouchScreen.accumulator.fields |=
+ InputDevice::SingleTouchScreenState::Accumulator::FIELD_ABS_PRESSURE;
+ device->singleTouchScreen.accumulator.absPressure = rawEvent->value;
+ break;
+ case ABS_TOOL_WIDTH:
+ device->singleTouchScreen.accumulator.fields |=
+ InputDevice::SingleTouchScreenState::Accumulator::FIELD_ABS_TOOL_WIDTH;
+ device->singleTouchScreen.accumulator.absToolWidth = rawEvent->value;
+ break;
+ }
+ }
+}
+
+void InputReader::handleSwitch(const RawEvent* rawEvent) {
+ InputDevice* device = getNonIgnoredDevice(rawEvent->deviceId);
+ if (! device) return;
+
+ onSwitch(rawEvent->when, device, rawEvent->value != 0, rawEvent->scanCode);
+}
+
+void InputReader::onKey(nsecs_t when, InputDevice* device,
+ bool down, int32_t keyCode, int32_t scanCode, uint32_t policyFlags) {
+ /* Refresh display properties so we can rotate key codes according to display orientation */
+
+ if (! refreshDisplayProperties()) {
+ return;
+ }
+
+ /* Update device state */
+
+ int32_t oldMetaState = device->keyboard.current.metaState;
+ int32_t newMetaState = updateMetaState(keyCode, down, oldMetaState);
+ if (oldMetaState != newMetaState) {
+ device->keyboard.current.metaState = newMetaState;
+ resetGlobalMetaState();
+ }
+
+ // FIXME if we send a down event about a rotated key press we should ensure that we send
+ // a corresponding up event about the rotated key press even if the orientation
+ // has changed in the meantime
+ keyCode = rotateKeyCode(keyCode, mDisplayOrientation);
+
+ if (down) {
+ device->keyboard.current.downTime = when;
+ }
+
+ /* Apply policy */
+
+ int32_t policyActions = mPolicy->interceptKey(when, device->id,
+ down, keyCode, scanCode, policyFlags);
+
+ if (! applyStandardInputDispatchPolicyActions(when, policyActions, & policyFlags)) {
+ return; // event dropped
+ }
+
+ /* Enqueue key event for dispatch */
+
+ int32_t keyEventAction;
+ if (down) {
+ device->keyboard.current.downTime = when;
+ keyEventAction = KEY_EVENT_ACTION_DOWN;
+ } else {
+ keyEventAction = KEY_EVENT_ACTION_UP;
+ }
+
+ int32_t keyEventFlags = KEY_EVENT_FLAG_FROM_SYSTEM;
+ if (policyActions & InputDispatchPolicyInterface::ACTION_WOKE_HERE) {
+ keyEventFlags = keyEventFlags | KEY_EVENT_FLAG_WOKE_HERE;
+ }
+
+ mDispatcher->notifyKey(when, device->id, INPUT_EVENT_NATURE_KEY, policyFlags,
+ keyEventAction, keyEventFlags, keyCode, scanCode,
+ device->keyboard.current.metaState,
+ device->keyboard.current.downTime);
+}
+
+void InputReader::onSwitch(nsecs_t when, InputDevice* device, bool down,
+ int32_t code) {
+ switch (code) {
+ case SW_LID:
+ mDispatcher->notifyLidSwitchChanged(when, ! down);
+ }
+}
+
+void InputReader::onMultiTouchScreenStateChanged(nsecs_t when,
+ InputDevice* device) {
+ static const uint32_t REQUIRED_FIELDS =
+ InputDevice::MultiTouchScreenState::Accumulator::FIELD_ABS_MT_POSITION_X
+ | InputDevice::MultiTouchScreenState::Accumulator::FIELD_ABS_MT_POSITION_Y
+ | InputDevice::MultiTouchScreenState::Accumulator::FIELD_ABS_MT_TOUCH_MAJOR
+ | InputDevice::MultiTouchScreenState::Accumulator::FIELD_ABS_MT_WIDTH_MAJOR;
+
+ /* Refresh display properties so we can map touch screen coords into display coords */
+
+ if (! refreshDisplayProperties()) {
+ return;
+ }
+
+ /* Update device state */
+
+ InputDevice::MultiTouchScreenState* in = & device->multiTouchScreen;
+ InputDevice::TouchData* out = & device->touchScreen.currentTouch;
+
+ uint32_t inCount = in->accumulator.pointerCount;
+ uint32_t outCount = 0;
+ bool havePointerIds = true;
+
+ out->clear();
+
+ for (uint32_t inIndex = 0; inIndex < inCount; inIndex++) {
+ uint32_t fields = in->accumulator.pointers[inIndex].fields;
+
+ if ((fields & REQUIRED_FIELDS) != REQUIRED_FIELDS) {
+#if DEBUG_POINTERS
+ LOGD("Pointers: Missing required multitouch pointer fields: index=%d, fields=%d",
+ inIndex, fields);
+ continue;
+#endif
+ }
+
+ if (in->accumulator.pointers[inIndex].absMTTouchMajor <= 0) {
+ // Pointer is not down. Drop it.
+ continue;
+ }
+
+ // FIXME assignment of pressure may be incorrect, probably better to let
+ // pressure = touch / width. Later on we pass width to MotionEvent as a size, which
+ // isn't quite right either. Should be using touch for that.
+ out->pointers[outCount].x = in->accumulator.pointers[inIndex].absMTPositionX;
+ out->pointers[outCount].y = in->accumulator.pointers[inIndex].absMTPositionY;
+ out->pointers[outCount].pressure = in->accumulator.pointers[inIndex].absMTTouchMajor;
+ out->pointers[outCount].size = in->accumulator.pointers[inIndex].absMTWidthMajor;
+
+ if (havePointerIds) {
+ if (fields & InputDevice::MultiTouchScreenState::Accumulator::
+ FIELD_ABS_MT_TRACKING_ID) {
+ uint32_t id = uint32_t(in->accumulator.pointers[inIndex].absMTTrackingId);
+
+ if (id > MAX_POINTER_ID) {
+#if DEBUG_POINTERS
+ LOGD("Pointers: Ignoring driver provided pointer id %d because "
+ "it is larger than max supported id %d for optimizations",
+ id, MAX_POINTER_ID);
+#endif
+ havePointerIds = false;
+ }
+ else {
+ out->pointers[outCount].id = id;
+ out->idToIndex[id] = outCount;
+ out->idBits.markBit(id);
+ }
+ } else {
+ havePointerIds = false;
+ }
+ }
+
+ outCount += 1;
+ }
+
+ out->pointerCount = outCount;
+
+ onTouchScreenChanged(when, device, havePointerIds);
+}
+
+void InputReader::onSingleTouchScreenStateChanged(nsecs_t when,
+ InputDevice* device) {
+ static const uint32_t POSITION_FIELDS =
+ InputDevice::SingleTouchScreenState::Accumulator::FIELD_ABS_X
+ | InputDevice::SingleTouchScreenState::Accumulator::FIELD_ABS_Y
+ | InputDevice::SingleTouchScreenState::Accumulator::FIELD_ABS_PRESSURE
+ | InputDevice::SingleTouchScreenState::Accumulator::FIELD_ABS_TOOL_WIDTH;
+
+ /* Refresh display properties so we can map touch screen coords into display coords */
+
+ if (! refreshDisplayProperties()) {
+ return;
+ }
+
+ /* Update device state */
+
+ InputDevice::SingleTouchScreenState* in = & device->singleTouchScreen;
+ InputDevice::TouchData* out = & device->touchScreen.currentTouch;
+
+ uint32_t fields = in->accumulator.fields;
+
+ if (fields & InputDevice::SingleTouchScreenState::Accumulator::FIELD_BTN_TOUCH) {
+ in->current.down = in->accumulator.btnTouch;
+ }
+
+ if ((fields & POSITION_FIELDS) == POSITION_FIELDS) {
+ in->current.x = in->accumulator.absX;
+ in->current.y = in->accumulator.absY;
+ in->current.pressure = in->accumulator.absPressure;
+ in->current.size = in->accumulator.absToolWidth;
+ }
+
+ out->clear();
+
+ if (in->current.down) {
+ out->pointerCount = 1;
+ out->pointers[0].id = 0;
+ out->pointers[0].x = in->current.x;
+ out->pointers[0].y = in->current.y;
+ out->pointers[0].pressure = in->current.pressure;
+ out->pointers[0].size = in->current.size;
+ out->idToIndex[0] = 0;
+ out->idBits.markBit(0);
+ }
+
+ onTouchScreenChanged(when, device, true);
+}
+
+void InputReader::onTouchScreenChanged(nsecs_t when,
+ InputDevice* device, bool havePointerIds) {
+ /* Apply policy */
+
+ int32_t policyActions = mPolicy->interceptTouch(when);
+
+ uint32_t policyFlags = 0;
+ if (! applyStandardInputDispatchPolicyActions(when, policyActions, & policyFlags)) {
+ device->touchScreen.lastTouch.clear();
+ return; // event dropped
+ }
+
+ /* Preprocess pointer data */
+
+ if (device->touchScreen.parameters.useBadTouchFilter) {
+ if (device->touchScreen.applyBadTouchFilter()) {
+ havePointerIds = false;
+ }
+ }
+
+ if (device->touchScreen.parameters.useJumpyTouchFilter) {
+ if (device->touchScreen.applyJumpyTouchFilter()) {
+ havePointerIds = false;
+ }
+ }
+
+ if (! havePointerIds) {
+ device->touchScreen.calculatePointerIds();
+ }
+
+ InputDevice::TouchData temp;
+ InputDevice::TouchData* savedTouch;
+ if (device->touchScreen.parameters.useAveragingTouchFilter) {
+ temp.copyFrom(device->touchScreen.currentTouch);
+ savedTouch = & temp;
+
+ device->touchScreen.applyAveragingTouchFilter();
+ } else {
+ savedTouch = & device->touchScreen.currentTouch;
+ }
+
+ /* Process virtual keys or touches */
+
+ if (! consumeVirtualKeyTouches(when, device, policyFlags)) {
+ dispatchTouches(when, device, policyFlags);
+ }
+
+ // Copy current touch to last touch in preparation for the next cycle.
+ device->touchScreen.lastTouch.copyFrom(*savedTouch);
+}
+
+bool InputReader::consumeVirtualKeyTouches(nsecs_t when,
+ InputDevice* device, uint32_t policyFlags) {
+ if (device->touchScreen.currentVirtualKey.down) {
+ if (device->touchScreen.currentTouch.pointerCount == 0) {
+ // Pointer went up while virtual key was down. Send key up event.
+ device->touchScreen.currentVirtualKey.down = false;
+
+#if DEBUG_VIRTUAL_KEYS
+ LOGD("VirtualKeys: Generating key up: keyCode=%d, scanCode=%d",
+ device->touchScreen.currentVirtualKey.keyCode,
+ device->touchScreen.currentVirtualKey.scanCode);
+#endif
+
+ dispatchVirtualKey(when, device, policyFlags, KEY_EVENT_ACTION_UP,
+ KEY_EVENT_FLAG_FROM_SYSTEM | KEY_EVENT_FLAG_VIRTUAL_HARD_KEY);
+ return true; // consumed
+ }
+
+ int32_t x = device->touchScreen.currentTouch.pointers[0].x;
+ int32_t y = device->touchScreen.currentTouch.pointers[0].y;
+ if (device->touchScreen.isPointInsideDisplay(x, y)) {
+ // Pointer moved inside the display area. Send key cancellation.
+ device->touchScreen.currentVirtualKey.down = false;
+
+#if DEBUG_VIRTUAL_KEYS
+ LOGD("VirtualKeys: Canceling key: keyCode=%d, scanCode=%d",
+ device->touchScreen.currentVirtualKey.keyCode,
+ device->touchScreen.currentVirtualKey.scanCode);
+#endif
+
+ dispatchVirtualKey(when, device, policyFlags, KEY_EVENT_ACTION_UP,
+ KEY_EVENT_FLAG_FROM_SYSTEM | KEY_EVENT_FLAG_VIRTUAL_HARD_KEY
+ | KEY_EVENT_FLAG_CANCELED);
+
+ // Clear the last touch data so we will consider the pointer as having just been
+ // pressed down when generating subsequent motion events.
+ device->touchScreen.lastTouch.clear();
+ return false; // not consumed
+ }
+ } else if (device->touchScreen.currentTouch.pointerCount > 0
+ && device->touchScreen.lastTouch.pointerCount == 0) {
+ int32_t x = device->touchScreen.currentTouch.pointers[0].x;
+ int32_t y = device->touchScreen.currentTouch.pointers[0].y;
+ for (size_t i = 0; i < device->touchScreen.virtualKeys.size(); i++) {
+ const InputDevice::VirtualKey& virtualKey = device->touchScreen.virtualKeys[i];
+
+#if DEBUG_VIRTUAL_KEYS
+ LOGD("VirtualKeys: Hit test (%d, %d): keyCode=%d, scanCode=%d, "
+ "left=%d, top=%d, right=%d, bottom=%d",
+ x, y,
+ virtualKey.keyCode, virtualKey.scanCode,
+ virtualKey.hitLeft, virtualKey.hitTop,
+ virtualKey.hitRight, virtualKey.hitBottom);
+#endif
+
+ if (virtualKey.isHit(x, y)) {
+ device->touchScreen.currentVirtualKey.down = true;
+ device->touchScreen.currentVirtualKey.downTime = when;
+ device->touchScreen.currentVirtualKey.keyCode = virtualKey.keyCode;
+ device->touchScreen.currentVirtualKey.scanCode = virtualKey.scanCode;
+
+#if DEBUG_VIRTUAL_KEYS
+ LOGD("VirtualKeys: Generating key down: keyCode=%d, scanCode=%d",
+ device->touchScreen.currentVirtualKey.keyCode,
+ device->touchScreen.currentVirtualKey.scanCode);
+#endif
+
+ dispatchVirtualKey(when, device, policyFlags, KEY_EVENT_ACTION_DOWN,
+ KEY_EVENT_FLAG_FROM_SYSTEM | KEY_EVENT_FLAG_VIRTUAL_HARD_KEY);
+ return true; // consumed
+ }
+ }
+ }
+
+ return false; // not consumed
+}
+
+void InputReader::dispatchVirtualKey(nsecs_t when,
+ InputDevice* device, uint32_t policyFlags,
+ int32_t keyEventAction, int32_t keyEventFlags) {
+ int32_t keyCode = device->touchScreen.currentVirtualKey.keyCode;
+ int32_t scanCode = device->touchScreen.currentVirtualKey.scanCode;
+ nsecs_t downTime = device->touchScreen.currentVirtualKey.downTime;
+ int32_t metaState = globalMetaState();
+
+ updateGlobalVirtualKeyState();
+
+ mPolicy->virtualKeyFeedback(when, device->id, keyEventAction, keyEventFlags,
+ keyCode, scanCode, metaState, downTime);
+
+ mDispatcher->notifyKey(when, device->id, INPUT_EVENT_NATURE_KEY, policyFlags,
+ keyEventAction, keyEventFlags, keyCode, scanCode, metaState, downTime);
+}
+
+void InputReader::dispatchTouches(nsecs_t when,
+ InputDevice* device, uint32_t policyFlags) {
+ uint32_t currentPointerCount = device->touchScreen.currentTouch.pointerCount;
+ uint32_t lastPointerCount = device->touchScreen.lastTouch.pointerCount;
+ if (currentPointerCount == 0 && lastPointerCount == 0) {
+ return; // nothing to do!
+ }
+
+ BitSet32 currentIdBits = device->touchScreen.currentTouch.idBits;
+ BitSet32 lastIdBits = device->touchScreen.lastTouch.idBits;
+
+ if (currentIdBits == lastIdBits) {
+ // No pointer id changes so this is a move event.
+ // The dispatcher takes care of batching moves so we don't have to deal with that here.
+ int32_t motionEventAction = MOTION_EVENT_ACTION_MOVE;
+ dispatchTouch(when, device, policyFlags, & device->touchScreen.currentTouch,
+ currentIdBits, motionEventAction);
+ } else {
+ // There may be pointers going up and pointers going down at the same time when pointer
+ // ids are reported by the device driver.
+ BitSet32 upIdBits(lastIdBits.value & ~ currentIdBits.value);
+ BitSet32 downIdBits(currentIdBits.value & ~ lastIdBits.value);
+ BitSet32 activeIdBits(lastIdBits.value);
+
+ while (! upIdBits.isEmpty()) {
+ uint32_t upId = upIdBits.firstMarkedBit();
+ upIdBits.clearBit(upId);
+ BitSet32 oldActiveIdBits = activeIdBits;
+ activeIdBits.clearBit(upId);
+
+ int32_t motionEventAction;
+ if (activeIdBits.isEmpty()) {
+ motionEventAction = MOTION_EVENT_ACTION_UP;
+ } else {
+ motionEventAction = MOTION_EVENT_ACTION_POINTER_UP
+ | (upId << MOTION_EVENT_ACTION_POINTER_INDEX_SHIFT);
+ }
+
+ dispatchTouch(when, device, policyFlags, & device->touchScreen.lastTouch,
+ oldActiveIdBits, motionEventAction);
+ }
+
+ while (! downIdBits.isEmpty()) {
+ uint32_t downId = downIdBits.firstMarkedBit();
+ downIdBits.clearBit(downId);
+ BitSet32 oldActiveIdBits = activeIdBits;
+ activeIdBits.markBit(downId);
+
+ int32_t motionEventAction;
+ if (oldActiveIdBits.isEmpty()) {
+ motionEventAction = MOTION_EVENT_ACTION_DOWN;
+ device->touchScreen.downTime = when;
+ } else {
+ motionEventAction = MOTION_EVENT_ACTION_POINTER_DOWN
+ | (downId << MOTION_EVENT_ACTION_POINTER_INDEX_SHIFT);
+ }
+
+ dispatchTouch(when, device, policyFlags, & device->touchScreen.currentTouch,
+ activeIdBits, motionEventAction);
+ }
+ }
+}
+
+void InputReader::dispatchTouch(nsecs_t when, InputDevice* device, uint32_t policyFlags,
+ InputDevice::TouchData* touch, BitSet32 idBits,
+ int32_t motionEventAction) {
+ int32_t orientedWidth, orientedHeight;
+ switch (mDisplayOrientation) {
+ case InputDispatchPolicyInterface::ROTATION_90:
+ case InputDispatchPolicyInterface::ROTATION_270:
+ orientedWidth = mDisplayHeight;
+ orientedHeight = mDisplayWidth;
+ break;
+ default:
+ orientedWidth = mDisplayWidth;
+ orientedHeight = mDisplayHeight;
+ break;
+ }
+
+ uint32_t pointerCount = 0;
+ int32_t pointerIds[MAX_POINTERS];
+ PointerCoords pointerCoords[MAX_POINTERS];
+
+ // Walk through the the active pointers and map touch screen coordinates (TouchData) into
+ // display coordinates (PointerCoords) and adjust for display orientation.
+ while (! idBits.isEmpty()) {
+ uint32_t id = idBits.firstMarkedBit();
+ idBits.clearBit(id);
+ uint32_t index = touch->idToIndex[id];
+
+ float x = (float(touch->pointers[index].x)
+ - device->touchScreen.parameters.xAxis.minValue)
+ * device->touchScreen.precalculated.xScale;
+ float y = (float(touch->pointers[index].y)
+ - device->touchScreen.parameters.yAxis.minValue)
+ * device->touchScreen.precalculated.yScale;
+ float pressure = (float(touch->pointers[index].pressure)
+ - device->touchScreen.parameters.pressureAxis.minValue)
+ * device->touchScreen.precalculated.pressureScale;
+ float size = (float(touch->pointers[index].size)
+ - device->touchScreen.parameters.sizeAxis.minValue)
+ * device->touchScreen.precalculated.sizeScale;
+
+ switch (mDisplayOrientation) {
+ case InputDispatchPolicyInterface::ROTATION_90: {
+ float xTemp = x;
+ x = y;
+ y = mDisplayHeight - xTemp;
+ break;
+ }
+ case InputDispatchPolicyInterface::ROTATION_180: {
+ x = mDisplayWidth - x;
+ y = mDisplayHeight - y;
+ break;
+ }
+ case InputDispatchPolicyInterface::ROTATION_270: {
+ float xTemp = x;
+ x = mDisplayWidth - y;
+ y = xTemp;
+ break;
+ }
+ }
+
+ pointerIds[pointerCount] = int32_t(id);
+
+ pointerCoords[pointerCount].x = x;
+ pointerCoords[pointerCount].y = y;
+ pointerCoords[pointerCount].pressure = pressure;
+ pointerCoords[pointerCount].size = size;
+
+ pointerCount += 1;
+ }
+
+ // Check edge flags by looking only at the first pointer since the flags are
+ // global to the event.
+ // XXX Maybe we should revise the edge flags API to work on a per-pointer basis.
+ int32_t motionEventEdgeFlags = 0;
+ if (motionEventAction == MOTION_EVENT_ACTION_DOWN) {
+ if (pointerCoords[0].x <= 0) {
+ motionEventEdgeFlags |= MOTION_EVENT_EDGE_FLAG_LEFT;
+ } else if (pointerCoords[0].x >= orientedWidth) {
+ motionEventEdgeFlags |= MOTION_EVENT_EDGE_FLAG_RIGHT;
+ }
+ if (pointerCoords[0].y <= 0) {
+ motionEventEdgeFlags |= MOTION_EVENT_EDGE_FLAG_TOP;
+ } else if (pointerCoords[0].y >= orientedHeight) {
+ motionEventEdgeFlags |= MOTION_EVENT_EDGE_FLAG_BOTTOM;
+ }
+ }
+
+ nsecs_t downTime = device->touchScreen.downTime;
+ mDispatcher->notifyMotion(when, device->id, INPUT_EVENT_NATURE_TOUCH, policyFlags,
+ motionEventAction, globalMetaState(), motionEventEdgeFlags,
+ pointerCount, pointerIds, pointerCoords,
+ 0, 0, downTime);
+}
+
+void InputReader::onTrackballStateChanged(nsecs_t when,
+ InputDevice* device) {
+ static const uint32_t DELTA_FIELDS =
+ InputDevice::TrackballState::Accumulator::FIELD_REL_X
+ | InputDevice::TrackballState::Accumulator::FIELD_REL_Y;
+
+ /* Refresh display properties so we can trackball moves according to display orientation */
+
+ if (! refreshDisplayProperties()) {
+ return;
+ }
+
+ /* Update device state */
+
+ uint32_t fields = device->trackball.accumulator.fields;
+ bool downChanged = fields & InputDevice::TrackballState::Accumulator::FIELD_BTN_MOUSE;
+ bool deltaChanged = (fields & DELTA_FIELDS) == DELTA_FIELDS;
+
+ bool down;
+ if (downChanged) {
+ if (device->trackball.accumulator.btnMouse) {
+ device->trackball.current.down = true;
+ device->trackball.current.downTime = when;
+ down = true;
+ } else {
+ device->trackball.current.down = false;
+ down = false;
+ }
+ } else {
+ down = device->trackball.current.down;
+ }
+
+ /* Apply policy */
+
+ int32_t policyActions = mPolicy->interceptTrackball(when, downChanged, down, deltaChanged);
+
+ uint32_t policyFlags = 0;
+ if (! applyStandardInputDispatchPolicyActions(when, policyActions, & policyFlags)) {
+ return; // event dropped
+ }
+
+ /* Enqueue motion event for dispatch */
+
+ int32_t motionEventAction;
+ if (downChanged) {
+ motionEventAction = down ? MOTION_EVENT_ACTION_DOWN : MOTION_EVENT_ACTION_UP;
+ } else {
+ motionEventAction = MOTION_EVENT_ACTION_MOVE;
+ }
+
+ int32_t pointerId = 0;
+ PointerCoords pointerCoords;
+ pointerCoords.x = device->trackball.accumulator.relX
+ * device->trackball.precalculated.xScale;
+ pointerCoords.y = device->trackball.accumulator.relY
+ * device->trackball.precalculated.yScale;
+ pointerCoords.pressure = 1.0f; // XXX Consider making this 1.0f if down, 0 otherwise.
+ pointerCoords.size = 0;
+
+ float temp;
+ switch (mDisplayOrientation) {
+ case InputDispatchPolicyInterface::ROTATION_90:
+ temp = pointerCoords.x;
+ pointerCoords.x = pointerCoords.y;
+ pointerCoords.y = - temp;
+ break;
+
+ case InputDispatchPolicyInterface::ROTATION_180:
+ pointerCoords.x = - pointerCoords.x;
+ pointerCoords.y = - pointerCoords.y;
+ break;
+
+ case InputDispatchPolicyInterface::ROTATION_270:
+ temp = pointerCoords.x;
+ pointerCoords.x = - pointerCoords.y;
+ pointerCoords.y = temp;
+ break;
+ }
+
+ mDispatcher->notifyMotion(when, device->id, INPUT_EVENT_NATURE_TRACKBALL, policyFlags,
+ motionEventAction, globalMetaState(), MOTION_EVENT_EDGE_FLAG_NONE,
+ 1, & pointerId, & pointerCoords,
+ device->trackball.precalculated.xPrecision,
+ device->trackball.precalculated.yPrecision,
+ device->trackball.current.downTime);
+}
+
+void InputReader::onConfigurationChanged(nsecs_t when) {
+ // Reset global meta state because it depends on the list of all configured devices.
+ resetGlobalMetaState();
+
+ // Reset virtual keys, just in case.
+ updateGlobalVirtualKeyState();
+
+ // Enqueue configuration changed.
+ // XXX This stuff probably needs to be tracked elsewhere in an input device registry
+ // of some kind that can be asynchronously updated and queried. (Same as above?)
+ int32_t touchScreenConfig = InputDispatchPolicyInterface::TOUCHSCREEN_NOTOUCH;
+ int32_t keyboardConfig = InputDispatchPolicyInterface::KEYBOARD_NOKEYS;
+ int32_t navigationConfig = InputDispatchPolicyInterface::NAVIGATION_NONAV;
+
+ for (size_t i = 0; i < mDevices.size(); i++) {
+ InputDevice* device = mDevices.valueAt(i);
+ int32_t deviceClasses = device->classes;
+
+ if (deviceClasses & INPUT_DEVICE_CLASS_TOUCHSCREEN) {
+ touchScreenConfig = InputDispatchPolicyInterface::TOUCHSCREEN_FINGER;
+ }
+ if (deviceClasses & INPUT_DEVICE_CLASS_ALPHAKEY) {
+ keyboardConfig = InputDispatchPolicyInterface::KEYBOARD_QWERTY;
+ }
+ if (deviceClasses & INPUT_DEVICE_CLASS_TRACKBALL) {
+ navigationConfig = InputDispatchPolicyInterface::NAVIGATION_TRACKBALL;
+ } else if (deviceClasses & INPUT_DEVICE_CLASS_DPAD) {
+ navigationConfig = InputDispatchPolicyInterface::NAVIGATION_DPAD;
+ }
+ }
+
+ mDispatcher->notifyConfigurationChanged(when, touchScreenConfig,
+ keyboardConfig, navigationConfig);
+}
+
+bool InputReader::applyStandardInputDispatchPolicyActions(nsecs_t when,
+ int32_t policyActions, uint32_t* policyFlags) {
+ if (policyActions & InputDispatchPolicyInterface::ACTION_APP_SWITCH_COMING) {
+ mDispatcher->notifyAppSwitchComing(when);
+ }
+
+ if (policyActions & InputDispatchPolicyInterface::ACTION_WOKE_HERE) {
+ *policyFlags |= POLICY_FLAG_WOKE_HERE;
+ }
+
+ if (policyActions & InputDispatchPolicyInterface::ACTION_BRIGHT_HERE) {
+ *policyFlags |= POLICY_FLAG_BRIGHT_HERE;
+ }
+
+ return policyActions & InputDispatchPolicyInterface::ACTION_DISPATCH;
+}
+
+void InputReader::resetDisplayProperties() {
+ mDisplayWidth = mDisplayHeight = -1;
+ mDisplayOrientation = -1;
+}
+
+bool InputReader::refreshDisplayProperties() {
+ int32_t newWidth, newHeight, newOrientation;
+ if (mPolicy->getDisplayInfo(0, & newWidth, & newHeight, & newOrientation)) {
+ if (newWidth != mDisplayWidth || newHeight != mDisplayHeight) {
+ LOGD("Display size changed from %dx%d to %dx%d, updating device configuration",
+ mDisplayWidth, mDisplayHeight, newWidth, newHeight);
+
+ mDisplayWidth = newWidth;
+ mDisplayHeight = newHeight;
+
+ for (size_t i = 0; i < mDevices.size(); i++) {
+ configureDeviceForCurrentDisplaySize(mDevices.valueAt(i));
+ }
+ }
+
+ mDisplayOrientation = newOrientation;
+ return true;
+ } else {
+ resetDisplayProperties();
+ return false;
+ }
+}
+
+InputDevice* InputReader::getDevice(int32_t deviceId) {
+ ssize_t index = mDevices.indexOfKey(deviceId);
+ return index >= 0 ? mDevices.valueAt((size_t) index) : NULL;
+}
+
+InputDevice* InputReader::getNonIgnoredDevice(int32_t deviceId) {
+ InputDevice* device = getDevice(deviceId);
+ return device && ! device->ignored ? device : NULL;
+}
+
+void InputReader::addDevice(nsecs_t when, int32_t deviceId) {
+ uint32_t classes = mEventHub->getDeviceClasses(deviceId);
+ String8 name = mEventHub->getDeviceName(deviceId);
+ InputDevice* device = new InputDevice(deviceId, classes, name);
+
+ if (classes != 0) {
+ LOGI("Device added: id=0x%x, name=%s, classes=%02x", device->id,
+ device->name.string(), device->classes);
+
+ configureDevice(device);
+ } else {
+ LOGI("Device added: id=0x%x, name=%s (ignored non-input device)", device->id,
+ device->name.string());
+
+ device->ignored = true;
+ }
+
+ device->reset();
+
+ mDevices.add(deviceId, device);
+
+ if (! device->ignored) {
+ onConfigurationChanged(when);
+ }
+}
+
+void InputReader::removeDevice(nsecs_t when, InputDevice* device) {
+ mDevices.removeItem(device->id);
+
+ if (! device->ignored) {
+ LOGI("Device removed: id=0x%x, name=%s, classes=%02x", device->id,
+ device->name.string(), device->classes);
+
+ onConfigurationChanged(when);
+ } else {
+ LOGI("Device removed: id=0x%x, name=%s (ignored non-input device)", device->id,
+ device->name.string());
+ }
+
+ delete device;
+}
+
+void InputReader::configureDevice(InputDevice* device) {
+ if (device->isMultiTouchScreen()) {
+ configureAbsoluteAxisInfo(device, ABS_MT_POSITION_X, "X",
+ & device->touchScreen.parameters.xAxis);
+ configureAbsoluteAxisInfo(device, ABS_MT_POSITION_Y, "Y",
+ & device->touchScreen.parameters.yAxis);
+ configureAbsoluteAxisInfo(device, ABS_MT_TOUCH_MAJOR, "Pressure",
+ & device->touchScreen.parameters.pressureAxis);
+ configureAbsoluteAxisInfo(device, ABS_MT_WIDTH_MAJOR, "Size",
+ & device->touchScreen.parameters.sizeAxis);
+ } else if (device->isSingleTouchScreen()) {
+ configureAbsoluteAxisInfo(device, ABS_X, "X",
+ & device->touchScreen.parameters.xAxis);
+ configureAbsoluteAxisInfo(device, ABS_Y, "Y",
+ & device->touchScreen.parameters.yAxis);
+ configureAbsoluteAxisInfo(device, ABS_PRESSURE, "Pressure",
+ & device->touchScreen.parameters.pressureAxis);
+ configureAbsoluteAxisInfo(device, ABS_TOOL_WIDTH, "Size",
+ & device->touchScreen.parameters.sizeAxis);
+ }
+
+ if (device->isTouchScreen()) {
+ device->touchScreen.parameters.useBadTouchFilter =
+ mPolicy->filterTouchEvents();
+ device->touchScreen.parameters.useAveragingTouchFilter =
+ mPolicy->filterTouchEvents();
+ device->touchScreen.parameters.useJumpyTouchFilter =
+ mPolicy->filterJumpyTouchEvents();
+
+ device->touchScreen.precalculated.pressureScale =
+ 1.0f / device->touchScreen.parameters.pressureAxis.range;
+ device->touchScreen.precalculated.sizeScale =
+ 1.0f / device->touchScreen.parameters.sizeAxis.range;
+ }
+
+ if (device->isTrackball()) {
+ device->trackball.precalculated.xPrecision = TRACKBALL_MOVEMENT_THRESHOLD;
+ device->trackball.precalculated.yPrecision = TRACKBALL_MOVEMENT_THRESHOLD;
+ device->trackball.precalculated.xScale = 1.0f / TRACKBALL_MOVEMENT_THRESHOLD;
+ device->trackball.precalculated.yScale = 1.0f / TRACKBALL_MOVEMENT_THRESHOLD;
+ }
+
+ configureDeviceForCurrentDisplaySize(device);
+}
+
+void InputReader::configureDeviceForCurrentDisplaySize(InputDevice* device) {
+ if (device->isTouchScreen()) {
+ if (mDisplayWidth < 0) {
+ LOGD("Skipping part of touch screen configuration since display size is unknown.");
+ } else {
+ LOGI("Device configured: id=0x%x, name=%s (display size was changed)", device->id,
+ device->name.string());
+ configureVirtualKeys(device);
+
+ device->touchScreen.precalculated.xScale =
+ float(mDisplayWidth) / device->touchScreen.parameters.xAxis.range;
+ device->touchScreen.precalculated.yScale =
+ float(mDisplayHeight) / device->touchScreen.parameters.yAxis.range;
+ }
+ }
+}
+
+void InputReader::configureVirtualKeys(InputDevice* device) {
+ device->touchScreen.virtualKeys.clear();
+
+ Vector<InputDispatchPolicyInterface::VirtualKeyDefinition> virtualKeyDefinitions;
+ mPolicy->getVirtualKeyDefinitions(device->name, virtualKeyDefinitions);
+ if (virtualKeyDefinitions.size() == 0) {
+ return;
+ }
+
+ device->touchScreen.virtualKeys.setCapacity(virtualKeyDefinitions.size());
+
+ int32_t touchScreenLeft = device->touchScreen.parameters.xAxis.minValue;
+ int32_t touchScreenTop = device->touchScreen.parameters.yAxis.minValue;
+ int32_t touchScreenWidth = device->touchScreen.parameters.xAxis.range;
+ int32_t touchScreenHeight = device->touchScreen.parameters.yAxis.range;
+
+ for (size_t i = 0; i < virtualKeyDefinitions.size(); i++) {
+ const InputDispatchPolicyInterface::VirtualKeyDefinition& virtualKeyDefinition =
+ virtualKeyDefinitions[i];
+
+ device->touchScreen.virtualKeys.add();
+ InputDevice::VirtualKey& virtualKey =
+ device->touchScreen.virtualKeys.editTop();
+
+ virtualKey.scanCode = virtualKeyDefinition.scanCode;
+ int32_t keyCode;
+ uint32_t flags;
+ if (mEventHub->scancodeToKeycode(device->id, virtualKey.scanCode,
+ & keyCode, & flags)) {
+ LOGI(" VirtualKey %d: could not obtain key code, ignoring", virtualKey.scanCode);
+ device->touchScreen.virtualKeys.pop(); // drop the key
+ continue;
+ }
+
+ virtualKey.keyCode = keyCode;
+ virtualKey.flags = flags;
+
+ // convert the key definition's display coordinates into touch coordinates for a hit box
+ int32_t halfWidth = virtualKeyDefinition.width / 2;
+ int32_t halfHeight = virtualKeyDefinition.height / 2;
+
+ virtualKey.hitLeft = (virtualKeyDefinition.centerX - halfWidth)
+ * touchScreenWidth / mDisplayWidth + touchScreenLeft;
+ virtualKey.hitRight= (virtualKeyDefinition.centerX + halfWidth)
+ * touchScreenWidth / mDisplayWidth + touchScreenLeft;
+ virtualKey.hitTop = (virtualKeyDefinition.centerY - halfHeight)
+ * touchScreenHeight / mDisplayHeight + touchScreenTop;
+ virtualKey.hitBottom = (virtualKeyDefinition.centerY + halfHeight)
+ * touchScreenHeight / mDisplayHeight + touchScreenTop;
+
+ LOGI(" VirtualKey %d: keyCode=%d hitLeft=%d hitRight=%d hitTop=%d hitBottom=%d",
+ virtualKey.scanCode, virtualKey.keyCode,
+ virtualKey.hitLeft, virtualKey.hitRight, virtualKey.hitTop, virtualKey.hitBottom);
+ }
+}
+
+void InputReader::configureAbsoluteAxisInfo(InputDevice* device,
+ int axis, const char* name, InputDevice::AbsoluteAxisInfo* out) {
+ if (! mEventHub->getAbsoluteInfo(device->id, axis,
+ & out->minValue, & out->maxValue, & out->flat, &out->fuzz)) {
+ out->range = out->maxValue - out->minValue;
+ if (out->range != 0) {
+ LOGI(" %s: min=%d max=%d flat=%d fuzz=%d",
+ name, out->minValue, out->maxValue, out->flat, out->fuzz);
+ return;
+ }
+ }
+
+ out->minValue = 0;
+ out->maxValue = 0;
+ out->flat = 0;
+ out->fuzz = 0;
+ out->range = 0;
+ LOGI(" %s: unknown axis values, setting to zero", name);
+}
+
+void InputReader::resetGlobalMetaState() {
+ mGlobalMetaState = -1;
+}
+
+int32_t InputReader::globalMetaState() {
+ if (mGlobalMetaState == -1) {
+ mGlobalMetaState = 0;
+ for (size_t i = 0; i < mDevices.size(); i++) {
+ InputDevice* device = mDevices.valueAt(i);
+ if (device->isKeyboard()) {
+ mGlobalMetaState |= device->keyboard.current.metaState;
+ }
+ }
+ }
+ return mGlobalMetaState;
+}
+
+void InputReader::updateGlobalVirtualKeyState() {
+ int32_t keyCode = -1, scanCode = -1;
+
+ for (size_t i = 0; i < mDevices.size(); i++) {
+ InputDevice* device = mDevices.valueAt(i);
+ if (device->isTouchScreen()) {
+ if (device->touchScreen.currentVirtualKey.down) {
+ keyCode = device->touchScreen.currentVirtualKey.keyCode;
+ scanCode = device->touchScreen.currentVirtualKey.scanCode;
+ }
+ }
+ }
+
+ {
+ AutoMutex _l(mExportedStateLock);
+
+ mGlobalVirtualKeyCode = keyCode;
+ mGlobalVirtualScanCode = scanCode;
+ }
+}
+
+bool InputReader::getCurrentVirtualKey(int32_t* outKeyCode, int32_t* outScanCode) const {
+ AutoMutex _l(mExportedStateLock);
+
+ *outKeyCode = mGlobalVirtualKeyCode;
+ *outScanCode = mGlobalVirtualScanCode;
+ return mGlobalVirtualKeyCode != -1;
+}
+
+
+// --- InputReaderThread ---
+
+InputReaderThread::InputReaderThread(const sp<InputReaderInterface>& reader) :
+ Thread(/*canCallJava*/ true), mReader(reader) {
+}
+
+InputReaderThread::~InputReaderThread() {
+}
+
+bool InputReaderThread::threadLoop() {
+ mReader->loopOnce();
+ return true;
+}
+
+} // namespace android
diff --git a/libs/ui/InputTransport.cpp b/libs/ui/InputTransport.cpp
new file mode 100644
index 0000000..a24180f
--- /dev/null
+++ b/libs/ui/InputTransport.cpp
@@ -0,0 +1,684 @@
+//
+// Copyright 2010 The Android Open Source Project
+//
+// Provides a shared memory transport for input events.
+//
+#define LOG_TAG "InputTransport"
+
+//#define LOG_NDEBUG 0
+
+// Log debug messages about channel signalling (send signal, receive signal)
+#define DEBUG_CHANNEL_SIGNALS 1
+
+// Log debug messages whenever InputChannel objects are created/destroyed
+#define DEBUG_CHANNEL_LIFECYCLE 1
+
+// Log debug messages about transport actions (initialize, reset, publish, ...)
+#define DEBUG_TRANSPORT_ACTIONS 1
+
+
+#include <cutils/ashmem.h>
+#include <cutils/log.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <sys/mman.h>
+#include <ui/InputTransport.h>
+#include <unistd.h>
+
+namespace android {
+
+// Must be at least sizeof(InputMessage) + sufficient space for pointer data
+static const int DEFAULT_MESSAGE_BUFFER_SIZE = 16384;
+
+// Signal sent by the producer to the consumer to inform it that a new message is
+// available to be consumed in the shared memory buffer.
+static const char INPUT_SIGNAL_DISPATCH = 'D';
+
+// Signal sent by the consumer to the producer to inform it that it has finished
+// consuming the most recent message.
+static const char INPUT_SIGNAL_FINISHED = 'f';
+
+
+// --- InputChannel ---
+
+InputChannel::InputChannel(const String8& name, int32_t ashmemFd, int32_t receivePipeFd,
+ int32_t sendPipeFd) :
+ mName(name), mAshmemFd(ashmemFd), mReceivePipeFd(receivePipeFd), mSendPipeFd(sendPipeFd) {
+#if DEBUG_CHANNEL_LIFECYCLE
+ LOGD("Input channel constructed: name='%s', ashmemFd=%d, receivePipeFd=%d, sendPipeFd=%d",
+ mName.string(), ashmemFd, receivePipeFd, sendPipeFd);
+#endif
+
+ int result = fcntl(mReceivePipeFd, F_SETFL, O_NONBLOCK);
+ LOG_ALWAYS_FATAL_IF(result != 0, "channel '%s' ~ Could not make receive pipe "
+ "non-blocking. errno=%d", mName.string(), errno);
+
+ result = fcntl(mSendPipeFd, F_SETFL, O_NONBLOCK);
+ LOG_ALWAYS_FATAL_IF(result != 0, "channel '%s' ~ Could not make send pipe "
+ "non-blocking. errno=%d", mName.string(), errno);
+}
+
+InputChannel::~InputChannel() {
+#if DEBUG_CHANNEL_LIFECYCLE
+ LOGD("Input channel destroyed: name='%s', ashmemFd=%d, receivePipeFd=%d, sendPipeFd=%d",
+ mName.string(), mAshmemFd, mReceivePipeFd, mSendPipeFd);
+#endif
+
+ ::close(mAshmemFd);
+ ::close(mReceivePipeFd);
+ ::close(mSendPipeFd);
+}
+
+status_t InputChannel::openInputChannelPair(const String8& name,
+ InputChannel** outServerChannel, InputChannel** outClientChannel) {
+ status_t result;
+
+ int serverAshmemFd = ashmem_create_region(name.string(), DEFAULT_MESSAGE_BUFFER_SIZE);
+ if (serverAshmemFd < 0) {
+ result = -errno;
+ LOGE("channel '%s' ~ Could not create shared memory region. errno=%d",
+ name.string(), errno);
+ } else {
+ result = ashmem_set_prot_region(serverAshmemFd, PROT_READ | PROT_WRITE);
+ if (result < 0) {
+ LOGE("channel '%s' ~ Error %d trying to set protection of ashmem fd %d.",
+ name.string(), result, serverAshmemFd);
+ } else {
+ // Dup the file descriptor because the server and client input channel objects that
+ // are returned may have different lifetimes but they share the same shared memory region.
+ int clientAshmemFd;
+ clientAshmemFd = dup(serverAshmemFd);
+ if (clientAshmemFd < 0) {
+ result = -errno;
+ LOGE("channel '%s' ~ Could not dup() shared memory region fd. errno=%d",
+ name.string(), errno);
+ } else {
+ int forward[2];
+ if (pipe(forward)) {
+ result = -errno;
+ LOGE("channel '%s' ~ Could not create forward pipe. errno=%d",
+ name.string(), errno);
+ } else {
+ int reverse[2];
+ if (pipe(reverse)) {
+ result = -errno;
+ LOGE("channel '%s' ~ Could not create reverse pipe. errno=%d",
+ name.string(), errno);
+ } else {
+ String8 serverChannelName = name;
+ serverChannelName.append(" (server)");
+ *outServerChannel = new InputChannel(serverChannelName,
+ serverAshmemFd, reverse[0], forward[1]);
+
+ String8 clientChannelName = name;
+ clientChannelName.append(" (client)");
+ *outClientChannel = new InputChannel(clientChannelName,
+ clientAshmemFd, forward[0], reverse[1]);
+ return OK;
+ }
+ ::close(forward[0]);
+ ::close(forward[1]);
+ }
+ ::close(clientAshmemFd);
+ }
+ }
+ ::close(serverAshmemFd);
+ }
+
+ *outServerChannel = NULL;
+ *outClientChannel = NULL;
+ return result;
+}
+
+status_t InputChannel::sendSignal(char signal) {
+ ssize_t nWrite = ::write(mSendPipeFd, & signal, 1);
+
+ if (nWrite == 1) {
+#if DEBUG_CHANNEL_SIGNALS
+ LOGD("channel '%s' ~ sent signal '%c'", mName.string(), signal);
+#endif
+ return OK;
+ }
+
+#if DEBUG_CHANNEL_SIGNALS
+ LOGD("channel '%s' ~ error sending signal '%c', errno=%d", mName.string(), signal, errno);
+#endif
+ return -errno;
+}
+
+status_t InputChannel::receiveSignal(char* outSignal) {
+ ssize_t nRead = ::read(mReceivePipeFd, outSignal, 1);
+ if (nRead == 1) {
+#if DEBUG_CHANNEL_SIGNALS
+ LOGD("channel '%s' ~ received signal '%c'", mName.string(), *outSignal);
+#endif
+ return OK;
+ }
+
+ if (errno == EAGAIN) {
+#if DEBUG_CHANNEL_SIGNALS
+ LOGD("channel '%s' ~ receive signal failed because no signal available", mName.string());
+#endif
+ return WOULD_BLOCK;
+ }
+
+#if DEBUG_CHANNEL_SIGNALS
+ LOGD("channel '%s' ~ receive signal failed, errno=%d", mName.string(), errno);
+#endif
+ return -errno;
+}
+
+
+// --- InputPublisher ---
+
+InputPublisher::InputPublisher(const sp<InputChannel>& channel) :
+ mChannel(channel), mSharedMessage(NULL),
+ mPinned(false), mSemaphoreInitialized(false), mWasDispatched(false),
+ mMotionEventSampleDataTail(NULL) {
+}
+
+InputPublisher::~InputPublisher() {
+ reset();
+
+ if (mSharedMessage) {
+ munmap(mSharedMessage, mAshmemSize);
+ }
+}
+
+status_t InputPublisher::initialize() {
+#if DEBUG_TRANSPORT_ACTIONS
+ LOGD("channel '%s' publisher ~ initialize",
+ mChannel->getName().string());
+#endif
+
+ int ashmemFd = mChannel->getAshmemFd();
+ int result = ashmem_get_size_region(ashmemFd);
+ if (result < 0) {
+ LOGE("channel '%s' publisher ~ Error %d getting size of ashmem fd %d.",
+ mChannel->getName().string(), result, ashmemFd);
+ return UNKNOWN_ERROR;
+ }
+ mAshmemSize = (size_t) result;
+
+ mSharedMessage = static_cast<InputMessage*>(mmap(NULL, mAshmemSize,
+ PROT_READ | PROT_WRITE, MAP_SHARED, ashmemFd, 0));
+ if (! mSharedMessage) {
+ LOGE("channel '%s' publisher ~ mmap failed on ashmem fd %d.",
+ mChannel->getName().string(), ashmemFd);
+ return NO_MEMORY;
+ }
+
+ mPinned = true;
+ mSharedMessage->consumed = false;
+
+ return reset();
+}
+
+status_t InputPublisher::reset() {
+#if DEBUG_TRANSPORT_ACTIONS
+ LOGD("channel '%s' publisher ~ reset",
+ mChannel->getName().string());
+#endif
+
+ if (mPinned) {
+ // Destroy the semaphore since we are about to unpin the memory region that contains it.
+ int result;
+ if (mSemaphoreInitialized) {
+ if (mSharedMessage->consumed) {
+ result = sem_post(& mSharedMessage->semaphore);
+ if (result < 0) {
+ LOGE("channel '%s' publisher ~ Error %d in sem_post.",
+ mChannel->getName().string(), errno);
+ return UNKNOWN_ERROR;
+ }
+ }
+
+ result = sem_destroy(& mSharedMessage->semaphore);
+ if (result < 0) {
+ LOGE("channel '%s' publisher ~ Error %d in sem_destroy.",
+ mChannel->getName().string(), errno);
+ return UNKNOWN_ERROR;
+ }
+
+ mSemaphoreInitialized = false;
+ }
+
+ // Unpin the region since we no longer care about its contents.
+ int ashmemFd = mChannel->getAshmemFd();
+ result = ashmem_unpin_region(ashmemFd, 0, 0);
+ if (result < 0) {
+ LOGE("channel '%s' publisher ~ Error %d unpinning ashmem fd %d.",
+ mChannel->getName().string(), result, ashmemFd);
+ return UNKNOWN_ERROR;
+ }
+
+ mPinned = false;
+ }
+
+ mMotionEventSampleDataTail = NULL;
+ mWasDispatched = false;
+ return OK;
+}
+
+status_t InputPublisher::publishInputEvent(
+ int32_t type,
+ int32_t deviceId,
+ int32_t nature) {
+ if (mPinned) {
+ LOGE("channel '%s' publisher ~ Attempted to publish a new event but publisher has "
+ "not yet been reset.", mChannel->getName().string());
+ return INVALID_OPERATION;
+ }
+
+ // Pin the region.
+ // We do not check for ASHMEM_NOT_PURGED because we don't care about the previous
+ // contents of the buffer so it does not matter whether it was purged in the meantime.
+ int ashmemFd = mChannel->getAshmemFd();
+ int result = ashmem_pin_region(ashmemFd, 0, 0);
+ if (result < 0) {
+ LOGE("channel '%s' publisher ~ Error %d pinning ashmem fd %d.",
+ mChannel->getName().string(), result, ashmemFd);
+ return UNKNOWN_ERROR;
+ }
+
+ mPinned = true;
+
+ result = sem_init(& mSharedMessage->semaphore, 1, 1);
+ if (result < 0) {
+ LOGE("channel '%s' publisher ~ Error %d in sem_init.",
+ mChannel->getName().string(), errno);
+ return UNKNOWN_ERROR;
+ }
+
+ mSemaphoreInitialized = true;
+
+ mSharedMessage->consumed = false;
+ mSharedMessage->type = type;
+ mSharedMessage->deviceId = deviceId;
+ mSharedMessage->nature = nature;
+ return OK;
+}
+
+status_t InputPublisher::publishKeyEvent(
+ int32_t deviceId,
+ int32_t nature,
+ int32_t action,
+ int32_t flags,
+ int32_t keyCode,
+ int32_t scanCode,
+ int32_t metaState,
+ int32_t repeatCount,
+ nsecs_t downTime,
+ nsecs_t eventTime) {
+#if DEBUG_TRANSPORT_ACTIONS
+ LOGD("channel '%s' publisher ~ publishKeyEvent: deviceId=%d, nature=%d, "
+ "action=%d, flags=%d, keyCode=%d, scanCode=%d, metaState=%d, repeatCount=%d,"
+ "downTime=%lld, eventTime=%lld",
+ mChannel->getName().string(),
+ deviceId, nature, action, flags, keyCode, scanCode, metaState, repeatCount,
+ downTime, eventTime);
+#endif
+
+ status_t result = publishInputEvent(INPUT_EVENT_TYPE_KEY, deviceId, nature);
+ if (result < 0) {
+ return result;
+ }
+
+ mSharedMessage->key.action = action;
+ mSharedMessage->key.flags = flags;
+ mSharedMessage->key.keyCode = keyCode;
+ mSharedMessage->key.scanCode = scanCode;
+ mSharedMessage->key.metaState = metaState;
+ mSharedMessage->key.repeatCount = repeatCount;
+ mSharedMessage->key.downTime = downTime;
+ mSharedMessage->key.eventTime = eventTime;
+ return OK;
+}
+
+status_t InputPublisher::publishMotionEvent(
+ int32_t deviceId,
+ int32_t nature,
+ int32_t action,
+ int32_t edgeFlags,
+ int32_t metaState,
+ float xOffset,
+ float yOffset,
+ float xPrecision,
+ float yPrecision,
+ nsecs_t downTime,
+ nsecs_t eventTime,
+ size_t pointerCount,
+ const int32_t* pointerIds,
+ const PointerCoords* pointerCoords) {
+#if DEBUG_TRANSPORT_ACTIONS
+ LOGD("channel '%s' publisher ~ publishMotionEvent: deviceId=%d, nature=%d, "
+ "action=%d, edgeFlags=%d, metaState=%d, xOffset=%f, yOffset=%f, "
+ "xPrecision=%f, yPrecision=%f, downTime=%lld, eventTime=%lld, "
+ "pointerCount=%d",
+ mChannel->getName().string(),
+ deviceId, nature, action, edgeFlags, metaState, xOffset, yOffset,
+ xPrecision, yPrecision, downTime, eventTime, pointerCount);
+#endif
+
+ if (pointerCount > MAX_POINTERS || pointerCount < 1) {
+ LOGE("channel '%s' publisher ~ Invalid number of pointers provided: %d.",
+ mChannel->getName().string(), pointerCount);
+ return BAD_VALUE;
+ }
+
+ status_t result = publishInputEvent(INPUT_EVENT_TYPE_MOTION, deviceId, nature);
+ if (result < 0) {
+ return result;
+ }
+
+ mSharedMessage->motion.action = action;
+ mSharedMessage->motion.edgeFlags = edgeFlags;
+ mSharedMessage->motion.metaState = metaState;
+ mSharedMessage->motion.xOffset = xOffset;
+ mSharedMessage->motion.yOffset = yOffset;
+ mSharedMessage->motion.xPrecision = xPrecision;
+ mSharedMessage->motion.yPrecision = yPrecision;
+ mSharedMessage->motion.downTime = downTime;
+ mSharedMessage->motion.pointerCount = pointerCount;
+
+ mSharedMessage->motion.sampleCount = 1;
+ mSharedMessage->motion.sampleData[0].eventTime = eventTime;
+
+ for (size_t i = 0; i < pointerCount; i++) {
+ mSharedMessage->motion.pointerIds[i] = pointerIds[i];
+ mSharedMessage->motion.sampleData[0].coords[i] = pointerCoords[i];
+ }
+
+ // Cache essential information about the motion event to ensure that a malicious consumer
+ // cannot confuse the publisher by modifying the contents of the shared memory buffer while
+ // it is being updated.
+ if (action == MOTION_EVENT_ACTION_MOVE) {
+ mMotionEventPointerCount = pointerCount;
+ mMotionEventSampleDataStride = InputMessage::sampleDataStride(pointerCount);
+ mMotionEventSampleDataTail = InputMessage::sampleDataPtrIncrement(
+ mSharedMessage->motion.sampleData, mMotionEventSampleDataStride);
+ } else {
+ mMotionEventSampleDataTail = NULL;
+ }
+ return OK;
+}
+
+status_t InputPublisher::appendMotionSample(
+ nsecs_t eventTime,
+ const PointerCoords* pointerCoords) {
+#if DEBUG_TRANSPORT_ACTIONS
+ LOGD("channel '%s' publisher ~ appendMotionSample: eventTime=%lld",
+ mChannel->getName().string(), eventTime);
+#endif
+
+ if (! mPinned || ! mMotionEventSampleDataTail) {
+ LOGE("channel '%s' publisher ~ Cannot append motion sample because there is no current "
+ "MOTION_EVENT_ACTION_MOVE event.", mChannel->getName().string());
+ return INVALID_OPERATION;
+ }
+
+ InputMessage::SampleData* newTail = InputMessage::sampleDataPtrIncrement(
+ mMotionEventSampleDataTail, mMotionEventSampleDataStride);
+ size_t newBytesUsed = reinterpret_cast<char*>(newTail) -
+ reinterpret_cast<char*>(mSharedMessage);
+
+ if (newBytesUsed > mAshmemSize) {
+ LOGD("channel '%s' publisher ~ Cannot append motion sample because the shared memory "
+ "buffer is full. Buffer size: %d bytes, pointers: %d, samples: %d",
+ mChannel->getName().string(),
+ mAshmemSize, mMotionEventPointerCount, mSharedMessage->motion.sampleCount);
+ return NO_MEMORY;
+ }
+
+ int result;
+ if (mWasDispatched) {
+ result = sem_trywait(& mSharedMessage->semaphore);
+ if (result < 0) {
+ if (errno == EAGAIN) {
+ // Only possible source of contention is the consumer having consumed (or being in the
+ // process of consuming) the message and left the semaphore count at 0.
+ LOGD("channel '%s' publisher ~ Cannot append motion sample because the message has "
+ "already been consumed.", mChannel->getName().string());
+ return FAILED_TRANSACTION;
+ } else {
+ LOGE("channel '%s' publisher ~ Error %d in sem_trywait.",
+ mChannel->getName().string(), errno);
+ return UNKNOWN_ERROR;
+ }
+ }
+ }
+
+ mMotionEventSampleDataTail->eventTime = eventTime;
+ for (size_t i = 0; i < mMotionEventPointerCount; i++) {
+ mMotionEventSampleDataTail->coords[i] = pointerCoords[i];
+ }
+ mMotionEventSampleDataTail = newTail;
+
+ mSharedMessage->motion.sampleCount += 1;
+
+ if (mWasDispatched) {
+ result = sem_post(& mSharedMessage->semaphore);
+ if (result < 0) {
+ LOGE("channel '%s' publisher ~ Error %d in sem_post.",
+ mChannel->getName().string(), errno);
+ return UNKNOWN_ERROR;
+ }
+ }
+ return OK;
+}
+
+status_t InputPublisher::sendDispatchSignal() {
+#if DEBUG_TRANSPORT_ACTIONS
+ LOGD("channel '%s' publisher ~ sendDispatchSignal",
+ mChannel->getName().string());
+#endif
+
+ mWasDispatched = true;
+ return mChannel->sendSignal(INPUT_SIGNAL_DISPATCH);
+}
+
+status_t InputPublisher::receiveFinishedSignal() {
+#if DEBUG_TRANSPORT_ACTIONS
+ LOGD("channel '%s' publisher ~ receiveFinishedSignal",
+ mChannel->getName().string());
+#endif
+
+ char signal;
+ status_t result = mChannel->receiveSignal(& signal);
+ if (result) {
+ return result;
+ }
+ if (signal != INPUT_SIGNAL_FINISHED) {
+ LOGE("channel '%s' publisher ~ Received unexpected signal '%c' from consumer",
+ mChannel->getName().string(), signal);
+ return UNKNOWN_ERROR;
+ }
+ return OK;
+}
+
+// --- InputConsumer ---
+
+InputConsumer::InputConsumer(const sp<InputChannel>& channel) :
+ mChannel(channel), mSharedMessage(NULL) {
+}
+
+InputConsumer::~InputConsumer() {
+ if (mSharedMessage) {
+ munmap(mSharedMessage, mAshmemSize);
+ }
+}
+
+status_t InputConsumer::initialize() {
+#if DEBUG_TRANSPORT_ACTIONS
+ LOGD("channel '%s' consumer ~ initialize",
+ mChannel->getName().string());
+#endif
+
+ int ashmemFd = mChannel->getAshmemFd();
+ int result = ashmem_get_size_region(ashmemFd);
+ if (result < 0) {
+ LOGE("channel '%s' consumer ~ Error %d getting size of ashmem fd %d.",
+ mChannel->getName().string(), result, ashmemFd);
+ return UNKNOWN_ERROR;
+ }
+
+ mAshmemSize = (size_t) result;
+
+ mSharedMessage = static_cast<InputMessage*>(mmap(NULL, mAshmemSize,
+ PROT_READ | PROT_WRITE, MAP_SHARED, ashmemFd, 0));
+ if (! mSharedMessage) {
+ LOGE("channel '%s' consumer ~ mmap failed on ashmem fd %d.",
+ mChannel->getName().string(), ashmemFd);
+ return NO_MEMORY;
+ }
+
+ return OK;
+}
+
+status_t InputConsumer::consume(InputEventFactoryInterface* factory, InputEvent** event) {
+#if DEBUG_TRANSPORT_ACTIONS
+ LOGD("channel '%s' consumer ~ consume",
+ mChannel->getName().string());
+#endif
+
+ *event = NULL;
+
+ int ashmemFd = mChannel->getAshmemFd();
+ int result = ashmem_pin_region(ashmemFd, 0, 0);
+ if (result != ASHMEM_NOT_PURGED) {
+ if (result == ASHMEM_WAS_PURGED) {
+ LOGE("channel '%s' consumer ~ Error %d pinning ashmem fd %d because it was purged "
+ "which probably indicates that the publisher and consumer are out of sync.",
+ mChannel->getName().string(), result, ashmemFd);
+ return INVALID_OPERATION;
+ }
+
+ LOGE("channel '%s' consumer ~ Error %d pinning ashmem fd %d.",
+ mChannel->getName().string(), result, ashmemFd);
+ return UNKNOWN_ERROR;
+ }
+
+ if (mSharedMessage->consumed) {
+ LOGE("channel '%s' consumer ~ The current message has already been consumed.",
+ mChannel->getName().string());
+ return INVALID_OPERATION;
+ }
+
+ // Acquire but *never release* the semaphore. Contention on the semaphore is used to signal
+ // to the publisher that the message has been consumed (or is in the process of being
+ // consumed). Eventually the publisher will reinitialize the semaphore for the next message.
+ result = sem_wait(& mSharedMessage->semaphore);
+ if (result < 0) {
+ LOGE("channel '%s' consumer ~ Error %d in sem_wait.",
+ mChannel->getName().string(), errno);
+ return UNKNOWN_ERROR;
+ }
+
+ mSharedMessage->consumed = true;
+
+ switch (mSharedMessage->type) {
+ case INPUT_EVENT_TYPE_KEY: {
+ KeyEvent* keyEvent = factory->createKeyEvent();
+ if (! keyEvent) return NO_MEMORY;
+
+ populateKeyEvent(keyEvent);
+
+ *event = keyEvent;
+ break;
+ }
+
+ case INPUT_EVENT_TYPE_MOTION: {
+ MotionEvent* motionEvent = factory->createMotionEvent();
+ if (! motionEvent) return NO_MEMORY;
+
+ populateMotionEvent(motionEvent);
+
+ *event = motionEvent;
+ break;
+ }
+
+ default:
+ LOGE("channel '%s' consumer ~ Received message of unknown type %d",
+ mChannel->getName().string(), mSharedMessage->type);
+ return UNKNOWN_ERROR;
+ }
+
+ return OK;
+}
+
+status_t InputConsumer::sendFinishedSignal() {
+#if DEBUG_TRANSPORT_ACTIONS
+ LOGD("channel '%s' consumer ~ sendFinishedSignal",
+ mChannel->getName().string());
+#endif
+
+ return mChannel->sendSignal(INPUT_SIGNAL_FINISHED);
+}
+
+status_t InputConsumer::receiveDispatchSignal() {
+#if DEBUG_TRANSPORT_ACTIONS
+ LOGD("channel '%s' consumer ~ receiveDispatchSignal",
+ mChannel->getName().string());
+#endif
+
+ char signal;
+ status_t result = mChannel->receiveSignal(& signal);
+ if (result) {
+ return result;
+ }
+ if (signal != INPUT_SIGNAL_DISPATCH) {
+ LOGE("channel '%s' consumer ~ Received unexpected signal '%c' from publisher",
+ mChannel->getName().string(), signal);
+ return UNKNOWN_ERROR;
+ }
+ return OK;
+}
+
+void InputConsumer::populateKeyEvent(KeyEvent* keyEvent) const {
+ keyEvent->initialize(
+ mSharedMessage->deviceId,
+ mSharedMessage->nature,
+ mSharedMessage->key.action,
+ mSharedMessage->key.flags,
+ mSharedMessage->key.keyCode,
+ mSharedMessage->key.scanCode,
+ mSharedMessage->key.metaState,
+ mSharedMessage->key.repeatCount,
+ mSharedMessage->key.downTime,
+ mSharedMessage->key.eventTime);
+}
+
+void InputConsumer::populateMotionEvent(MotionEvent* motionEvent) const {
+ motionEvent->initialize(
+ mSharedMessage->deviceId,
+ mSharedMessage->nature,
+ mSharedMessage->motion.action,
+ mSharedMessage->motion.edgeFlags,
+ mSharedMessage->motion.metaState,
+ mSharedMessage->motion.sampleData[0].coords[0].x,
+ mSharedMessage->motion.sampleData[0].coords[0].y,
+ mSharedMessage->motion.xPrecision,
+ mSharedMessage->motion.yPrecision,
+ mSharedMessage->motion.downTime,
+ mSharedMessage->motion.sampleData[0].eventTime,
+ mSharedMessage->motion.pointerCount,
+ mSharedMessage->motion.pointerIds,
+ mSharedMessage->motion.sampleData[0].coords);
+
+ size_t sampleCount = mSharedMessage->motion.sampleCount;
+ if (sampleCount > 1) {
+ InputMessage::SampleData* sampleData = mSharedMessage->motion.sampleData;
+ size_t sampleDataStride = InputMessage::sampleDataStride(
+ mSharedMessage->motion.pointerCount);
+
+ while (--sampleCount > 0) {
+ sampleData = InputMessage::sampleDataPtrIncrement(sampleData, sampleDataStride);
+ motionEvent->addSample(sampleData->eventTime, sampleData->coords);
+ }
+ }
+
+ motionEvent->offsetLocation(mSharedMessage->motion.xOffset,
+ mSharedMessage->motion.yOffset);
+}
+
+} // namespace android
diff --git a/libs/ui/tests/Android.mk b/libs/ui/tests/Android.mk
index 6cc4a5a..018f18d 100644
--- a/libs/ui/tests/Android.mk
+++ b/libs/ui/tests/Android.mk
@@ -1,16 +1,38 @@
+# Build the unit tests.
LOCAL_PATH:= $(call my-dir)
include $(CLEAR_VARS)
-LOCAL_SRC_FILES:= \
- region.cpp
+test_src_files := \
+ InputDispatcher_test.cpp
LOCAL_SHARED_LIBRARIES := \
libcutils \
libutils \
- libui
+ libEGL \
+ libbinder \
+ libpixelflinger \
+ libhardware \
+ libhardware_legacy \
+ libui \
+ libstlport
-LOCAL_MODULE:= test-region
+LOCAL_STATIC_LIBRARIES := \
+ libgtest \
+ libgtest_main
-LOCAL_MODULE_TAGS := tests
+LOCAL_C_INCLUDES := \
+ bionic \
+ bionic/libstdc++/include \
+ external/gtest/include \
+ external/stlport/stlport
-include $(BUILD_EXECUTABLE)
+LOCAL_MODULE_TAGS := eng tests
+
+$(foreach file,$(test_src_files), \
+ $(eval LOCAL_SRC_FILES := $(file)) \
+ $(eval LOCAL_MODULE := $(notdir $(file:%.cpp=%))) \
+ $(eval include $(BUILD_EXECUTABLE)) \
+)
+
+# Build the manual test programs.
+include $(call all-subdir-makefiles)
diff --git a/libs/ui/tests/InputDispatcher_test.cpp b/libs/ui/tests/InputDispatcher_test.cpp
new file mode 100644
index 0000000..3d92043
--- /dev/null
+++ b/libs/ui/tests/InputDispatcher_test.cpp
@@ -0,0 +1,19 @@
+//
+// Copyright 2010 The Android Open Source Project
+//
+
+#include <ui/InputDispatcher.h>
+#include <gtest/gtest.h>
+
+namespace android {
+
+class InputDispatcherTest : public testing::Test {
+public:
+};
+
+TEST_F(InputDispatcherTest, Dummy) {
+ SCOPED_TRACE("Trace");
+ ASSERT_FALSE(true);
+}
+
+} // namespace android
diff --git a/libs/ui/tests/region/Android.mk b/libs/ui/tests/region/Android.mk
new file mode 100644
index 0000000..6cc4a5a
--- /dev/null
+++ b/libs/ui/tests/region/Android.mk
@@ -0,0 +1,16 @@
+LOCAL_PATH:= $(call my-dir)
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES:= \
+ region.cpp
+
+LOCAL_SHARED_LIBRARIES := \
+ libcutils \
+ libutils \
+ libui
+
+LOCAL_MODULE:= test-region
+
+LOCAL_MODULE_TAGS := tests
+
+include $(BUILD_EXECUTABLE)
diff --git a/libs/ui/tests/region.cpp b/libs/ui/tests/region/region.cpp
similarity index 100%
rename from libs/ui/tests/region.cpp
rename to libs/ui/tests/region/region.cpp
diff --git a/libs/utils/Android.mk b/libs/utils/Android.mk
index afecdcb..945b039 100644
--- a/libs/utils/Android.mk
+++ b/libs/utils/Android.mk
@@ -26,6 +26,8 @@
Debug.cpp \
FileMap.cpp \
Flattenable.cpp \
+ PollLoop.cpp \
+ Pool.cpp \
RefBase.cpp \
ResourceTypes.cpp \
SharedBuffer.cpp \
diff --git a/libs/utils/PollLoop.cpp b/libs/utils/PollLoop.cpp
new file mode 100644
index 0000000..90a3e8b
--- /dev/null
+++ b/libs/utils/PollLoop.cpp
@@ -0,0 +1,267 @@
+//
+// Copyright 2010 The Android Open Source Project
+//
+// A select loop implementation.
+//
+#define LOG_TAG "PollLoop"
+
+//#define LOG_NDEBUG 0
+
+// Debugs poll and wake interactions.
+#define DEBUG_POLL_AND_WAKE 0
+
+// Debugs callback registration and invocation.
+#define DEBUG_CALLBACKS 1
+
+#include <cutils/log.h>
+#include <utils/PollLoop.h>
+
+#include <unistd.h>
+#include <fcntl.h>
+
+namespace android {
+
+PollLoop::PollLoop() :
+ mPolling(false) {
+ openWakePipe();
+}
+
+PollLoop::~PollLoop() {
+ closeWakePipe();
+}
+
+void PollLoop::openWakePipe() {
+ int wakeFds[2];
+ int result = pipe(wakeFds);
+ LOG_ALWAYS_FATAL_IF(result != 0, "Could not create wake pipe. errno=%d", errno);
+
+ mWakeReadPipeFd = wakeFds[0];
+ mWakeWritePipeFd = wakeFds[1];
+
+ result = fcntl(mWakeReadPipeFd, F_SETFL, O_NONBLOCK);
+ LOG_ALWAYS_FATAL_IF(result != 0, "Could not make wake read pipe non-blocking. errno=%d",
+ errno);
+
+ result = fcntl(mWakeWritePipeFd, F_SETFL, O_NONBLOCK);
+ LOG_ALWAYS_FATAL_IF(result != 0, "Could not make wake write pipe non-blocking. errno=%d",
+ errno);
+
+ // Add the wake pipe to the head of the request list with a null callback.
+ struct pollfd requestedFd;
+ requestedFd.fd = mWakeReadPipeFd;
+ requestedFd.events = POLLIN;
+ mRequestedFds.insertAt(requestedFd, 0);
+
+ RequestedCallback requestedCallback;
+ requestedCallback.callback = NULL;
+ requestedCallback.data = NULL;
+ mRequestedCallbacks.insertAt(requestedCallback, 0);
+}
+
+void PollLoop::closeWakePipe() {
+ close(mWakeReadPipeFd);
+ close(mWakeWritePipeFd);
+
+ // Note: We don't need to remove the poll structure or callback entry because this
+ // method is currently only called by the destructor.
+}
+
+bool PollLoop::pollOnce(int timeoutMillis) {
+ mLock.lock();
+ mPolling = true;
+ mLock.unlock();
+
+ bool result;
+ size_t requestedCount = mRequestedFds.size();
+
+#if DEBUG_POLL_AND_WAKE
+ LOGD("%p ~ pollOnce - waiting on %d fds", this, requestedCount);
+ for (size_t i = 0; i < requestedCount; i++) {
+ LOGD(" fd %d - events %d", mRequestedFds[i].fd, mRequestedFds[i].events);
+ }
+#endif
+
+ int respondedCount = poll(mRequestedFds.editArray(), requestedCount, timeoutMillis);
+
+ if (respondedCount == 0) {
+ // Timeout
+#if DEBUG_POLL_AND_WAKE
+ LOGD("%p ~ pollOnce - timeout", this);
+#endif
+ result = false;
+ goto Done;
+ }
+
+ if (respondedCount < 0) {
+ // Error
+#if DEBUG_POLL_AND_WAKE
+ LOGD("%p ~ pollOnce - error, errno=%d", this, errno);
+#endif
+ if (errno != EINTR) {
+ LOGW("Poll failed with an unexpected error, errno=%d", errno);
+ }
+ result = false;
+ goto Done;
+ }
+
+#if DEBUG_POLL_AND_WAKE
+ LOGD("%p ~ pollOnce - handling responses from %d fds", this, respondedCount);
+ for (size_t i = 0; i < requestedCount; i++) {
+ LOGD(" fd %d - events %d, revents %d", mRequestedFds[i].fd, mRequestedFds[i].events,
+ mRequestedFds[i].revents);
+ }
+#endif
+
+ mPendingCallbacks.clear();
+ for (size_t i = 0; i < requestedCount; i++) {
+ const struct pollfd& requestedFd = mRequestedFds.itemAt(i);
+
+ short revents = requestedFd.revents;
+ if (revents) {
+ const RequestedCallback& requestedCallback = mRequestedCallbacks.itemAt(i);
+ Callback callback = requestedCallback.callback;
+
+ if (callback) {
+ PendingCallback pendingCallback;
+ pendingCallback.fd = requestedFd.fd;
+ pendingCallback.events = requestedFd.revents;
+ pendingCallback.callback = callback;
+ pendingCallback.data = requestedCallback.data;
+ mPendingCallbacks.push(pendingCallback);
+ } else {
+ if (requestedFd.fd == mWakeReadPipeFd) {
+#if DEBUG_POLL_AND_WAKE
+ LOGD("%p ~ pollOnce - awoken", this);
+#endif
+ char buffer[16];
+ ssize_t nRead;
+ do {
+ nRead = read(mWakeReadPipeFd, buffer, sizeof(buffer));
+ } while (nRead == sizeof(buffer));
+ } else {
+#if DEBUG_POLL_AND_WAKE || DEBUG_CALLBACKS
+ LOGD("%p ~ pollOnce - fd %d has no callback!", this, requestedFd.fd);
+#endif
+ }
+ }
+
+ respondedCount -= 1;
+ if (respondedCount == 0) {
+ break;
+ }
+ }
+ }
+ result = true;
+
+Done:
+ mLock.lock();
+ mPolling = false;
+ mAwake.broadcast();
+ mLock.unlock();
+
+ if (result) {
+ size_t pendingCount = mPendingCallbacks.size();
+ for (size_t i = 0; i < pendingCount; i++) {
+ const PendingCallback& pendingCallback = mPendingCallbacks.itemAt(i);
+#if DEBUG_POLL_AND_WAKE || DEBUG_CALLBACKS
+ LOGD("%p ~ pollOnce - invoking callback for fd %d", this, pendingCallback.fd);
+#endif
+
+ bool keep = pendingCallback.callback(pendingCallback.fd, pendingCallback.events,
+ pendingCallback.data);
+ if (! keep) {
+ removeCallback(pendingCallback.fd);
+ }
+ }
+ }
+
+#if DEBUG_POLL_AND_WAKE
+ LOGD("%p ~ pollOnce - done", this);
+#endif
+ return result;
+}
+
+void PollLoop::wake() {
+#if DEBUG_POLL_AND_WAKE
+ LOGD("%p ~ wake", this);
+#endif
+
+ ssize_t nWrite = write(mWakeWritePipeFd, "W", 1);
+ if (nWrite != 1) {
+ if (errno != EAGAIN) {
+ LOGW("Could not write wake signal, errno=%d", errno);
+ }
+ }
+}
+
+void PollLoop::setCallback(int fd, int events, Callback callback, void* data) {
+#if DEBUG_CALLBACKS
+ LOGD("%p ~ setCallback - fd=%d, events=%d", this, fd, events);
+#endif
+
+ if (! events || ! callback) {
+ LOGE("Invalid attempt to set a callback with no selected poll events or no callback.");
+ removeCallback(fd);
+ return;
+ }
+
+ wakeAndLock();
+
+ struct pollfd requestedFd;
+ requestedFd.fd = fd;
+ requestedFd.events = events;
+
+ RequestedCallback requestedCallback;
+ requestedCallback.callback = callback;
+ requestedCallback.data = data;
+
+ ssize_t index = getRequestIndexLocked(fd);
+ if (index < 0) {
+ mRequestedFds.push(requestedFd);
+ mRequestedCallbacks.push(requestedCallback);
+ } else {
+ mRequestedFds.replaceAt(requestedFd, size_t(index));
+ mRequestedCallbacks.replaceAt(requestedCallback, size_t(index));
+ }
+
+ mLock.unlock();
+}
+
+bool PollLoop::removeCallback(int fd) {
+#if DEBUG_CALLBACKS
+ LOGD("%p ~ removeCallback - fd=%d", this, fd);
+#endif
+
+ wakeAndLock();
+
+ ssize_t index = getRequestIndexLocked(fd);
+ if (index >= 0) {
+ mRequestedFds.removeAt(size_t(index));
+ mRequestedCallbacks.removeAt(size_t(index));
+ }
+
+ mLock.unlock();
+ return index >= 0;
+}
+
+ssize_t PollLoop::getRequestIndexLocked(int fd) {
+ size_t requestCount = mRequestedFds.size();
+
+ for (size_t i = 0; i < requestCount; i++) {
+ if (mRequestedFds.itemAt(i).fd == fd) {
+ return i;
+ }
+ }
+
+ return -1;
+}
+
+void PollLoop::wakeAndLock() {
+ mLock.lock();
+ while (mPolling) {
+ wake();
+ mAwake.wait(mLock);
+ }
+}
+
+} // namespace android
diff --git a/libs/utils/Pool.cpp b/libs/utils/Pool.cpp
new file mode 100644
index 0000000..8f18cb9
--- /dev/null
+++ b/libs/utils/Pool.cpp
@@ -0,0 +1,37 @@
+//
+// Copyright 2010 The Android Open Source Project
+//
+// A simple memory pool.
+//
+#define LOG_TAG "Pool"
+
+//#define LOG_NDEBUG 0
+
+#include <cutils/log.h>
+#include <utils/Pool.h>
+
+#include <stdlib.h>
+
+namespace android {
+
+// TODO Provide a real implementation of a pool. This is just a stub for initial development.
+
+PoolImpl::PoolImpl(size_t objSize) :
+ mObjSize(objSize) {
+}
+
+PoolImpl::~PoolImpl() {
+}
+
+void* PoolImpl::allocImpl() {
+ void* ptr = malloc(mObjSize);
+ LOG_ALWAYS_FATAL_IF(ptr == NULL, "Cannot allocate new pool object.");
+ return ptr;
+}
+
+void PoolImpl::freeImpl(void* obj) {
+ LOG_ALWAYS_FATAL_IF(obj == NULL, "Caller attempted to free NULL pool object.");
+ return free(obj);
+}
+
+} // namespace android
diff --git a/libs/utils/StopWatch.cpp b/libs/utils/StopWatch.cpp
index 68a1c52..b5dda2f 100644
--- a/libs/utils/StopWatch.cpp
+++ b/libs/utils/StopWatch.cpp
@@ -30,10 +30,9 @@
StopWatch::StopWatch(const char *name, int clock, uint32_t flags)
- : mName(name), mClock(clock), mFlags(flags),
- mStartTime(0), mNumLaps(0)
+ : mName(name), mClock(clock), mFlags(flags)
{
- mStartTime = systemTime(mClock);
+ reset();
}
StopWatch::~StopWatch()
@@ -72,6 +71,12 @@
return systemTime(mClock) - mStartTime;
}
+void StopWatch::reset()
+{
+ mNumLaps = 0;
+ mStartTime = systemTime(mClock);
+}
+
/*****************************************************************************/
diff --git a/libs/utils/VectorImpl.cpp b/libs/utils/VectorImpl.cpp
index 0322af7..b09c6ca 100644
--- a/libs/utils/VectorImpl.cpp
+++ b/libs/utils/VectorImpl.cpp
@@ -108,13 +108,7 @@
ssize_t VectorImpl::insertVectorAt(const VectorImpl& vector, size_t index)
{
- if (index > size())
- return BAD_INDEX;
- void* where = _grow(index, vector.size());
- if (where) {
- _do_copy(where, vector.arrayImpl(), vector.size());
- }
- return where ? index : (ssize_t)NO_MEMORY;
+ return insertAt(vector.arrayImpl(), index, vector.size());
}
ssize_t VectorImpl::appendVector(const VectorImpl& vector)
@@ -226,9 +220,9 @@
return add(0);
}
-ssize_t VectorImpl::add(const void* item)
+ssize_t VectorImpl::add(const void* item, size_t numItems)
{
- return insertAt(item, size());
+ return insertAt(item, size(), numItems);
}
ssize_t VectorImpl::replaceAt(size_t index)
diff --git a/libs/utils/tests/Android.mk b/libs/utils/tests/Android.mk
new file mode 100644
index 0000000..45e8061
--- /dev/null
+++ b/libs/utils/tests/Android.mk
@@ -0,0 +1,33 @@
+# Build the unit tests.
+LOCAL_PATH := $(call my-dir)
+include $(CLEAR_VARS)
+
+test_src_files := \
+ PollLoop_test.cpp
+
+LOCAL_SHARED_LIBRARIES := \
+ libz \
+ liblog \
+ libcutils \
+ libutils \
+ libstlport
+
+LOCAL_STATIC_LIBRARIES := \
+ libgtest \
+ libgtest_main
+
+LOCAL_C_INCLUDES := \
+ external/zlib \
+ external/icu4c/common \
+ bionic \
+ bionic/libstdc++/include \
+ external/gtest/include \
+ external/stlport/stlport
+
+LOCAL_MODULE_TAGS := eng tests
+
+$(foreach file,$(test_src_files), \
+ $(eval LOCAL_SRC_FILES := $(file)) \
+ $(eval LOCAL_MODULE := $(notdir $(file:%.cpp=%))) \
+ $(eval include $(BUILD_EXECUTABLE)) \
+)
diff --git a/libs/utils/tests/PollLoop_test.cpp b/libs/utils/tests/PollLoop_test.cpp
new file mode 100644
index 0000000..6c719c8
--- /dev/null
+++ b/libs/utils/tests/PollLoop_test.cpp
@@ -0,0 +1,398 @@
+//
+// Copyright 2010 The Android Open Source Project
+//
+
+#include <utils/PollLoop.h>
+#include <utils/Timers.h>
+#include <utils/StopWatch.h>
+#include <gtest/gtest.h>
+#include <unistd.h>
+#include <time.h>
+
+#include "TestHelpers.h"
+
+// # of milliseconds to fudge stopwatch measurements
+#define TIMING_TOLERANCE_MS 25
+
+namespace android {
+
+class Pipe {
+public:
+ int sendFd;
+ int receiveFd;
+
+ Pipe() {
+ int fds[2];
+ ::pipe(fds);
+
+ receiveFd = fds[0];
+ sendFd = fds[1];
+ }
+
+ ~Pipe() {
+ ::close(sendFd);
+ ::close(receiveFd);
+ }
+
+ bool writeSignal() {
+ return ::write(sendFd, "*", 1) == 1;
+ }
+
+ bool readSignal() {
+ char buf[1];
+ return ::read(receiveFd, buf, 1) == 1;
+ }
+};
+
+class DelayedWake : public DelayedTask {
+ sp<PollLoop> mPollLoop;
+
+public:
+ DelayedWake(int delayMillis, const sp<PollLoop> pollLoop) :
+ DelayedTask(delayMillis), mPollLoop(pollLoop) {
+ }
+
+protected:
+ virtual void doTask() {
+ mPollLoop->wake();
+ }
+};
+
+class DelayedWriteSignal : public DelayedTask {
+ Pipe* mPipe;
+
+public:
+ DelayedWriteSignal(int delayMillis, Pipe* pipe) :
+ DelayedTask(delayMillis), mPipe(pipe) {
+ }
+
+protected:
+ virtual void doTask() {
+ mPipe->writeSignal();
+ }
+};
+
+class CallbackHandler {
+public:
+ void setCallback(const sp<PollLoop>& pollLoop, int fd, int events) {
+ pollLoop->setCallback(fd, events, staticHandler, this);
+ }
+
+protected:
+ virtual ~CallbackHandler() { }
+
+ virtual bool handler(int fd, int events) = 0;
+
+private:
+ static bool staticHandler(int fd, int events, void* data) {
+ return static_cast<CallbackHandler*>(data)->handler(fd, events);
+ }
+};
+
+class StubCallbackHandler : public CallbackHandler {
+public:
+ bool nextResult;
+ int callbackCount;
+
+ int fd;
+ int events;
+
+ StubCallbackHandler(bool nextResult) : nextResult(nextResult),
+ callbackCount(0), fd(-1), events(-1) {
+ }
+
+protected:
+ virtual bool handler(int fd, int events) {
+ callbackCount += 1;
+ this->fd = fd;
+ this->events = events;
+ return nextResult;
+ }
+};
+
+class PollLoopTest : public testing::Test {
+protected:
+ sp<PollLoop> mPollLoop;
+
+ virtual void SetUp() {
+ mPollLoop = new PollLoop();
+ }
+
+ virtual void TearDown() {
+ mPollLoop.clear();
+ }
+};
+
+
+TEST_F(PollLoopTest, PollOnce_WhenNonZeroTimeoutAndNotAwoken_WaitsForTimeoutAndReturnsFalse) {
+ StopWatch stopWatch("pollOnce");
+ bool result = mPollLoop->pollOnce(100);
+ int32_t elapsedMillis = ns2ms(stopWatch.elapsedTime());
+
+ EXPECT_NEAR(100, elapsedMillis, TIMING_TOLERANCE_MS)
+ << "elapsed time should approx. equal timeout";
+ EXPECT_FALSE(result)
+ << "pollOnce result should be false because timeout occurred";
+}
+
+TEST_F(PollLoopTest, PollOnce_WhenNonZeroTimeoutAndAwokenBeforeWaiting_ImmediatelyReturnsTrue) {
+ mPollLoop->wake();
+
+ StopWatch stopWatch("pollOnce");
+ bool result = mPollLoop->pollOnce(1000);
+ int32_t elapsedMillis = ns2ms(stopWatch.elapsedTime());
+
+ EXPECT_NEAR(0, elapsedMillis, TIMING_TOLERANCE_MS)
+ << "elapsed time should approx. zero because wake() was called before waiting";
+ EXPECT_TRUE(result)
+ << "pollOnce result should be true because loop was awoken";
+}
+
+TEST_F(PollLoopTest, PollOnce_WhenNonZeroTimeoutAndAwokenWhileWaiting_PromptlyReturnsTrue) {
+ sp<DelayedWake> delayedWake = new DelayedWake(100, mPollLoop);
+ delayedWake->run();
+
+ StopWatch stopWatch("pollOnce");
+ bool result = mPollLoop->pollOnce(1000);
+ int32_t elapsedMillis = ns2ms(stopWatch.elapsedTime());
+
+ EXPECT_NEAR(100, elapsedMillis, TIMING_TOLERANCE_MS)
+ << "elapsed time should approx. equal wake delay";
+ EXPECT_TRUE(result)
+ << "pollOnce result should be true because loop was awoken";
+}
+
+TEST_F(PollLoopTest, PollOnce_WhenZeroTimeoutAndNoRegisteredFDs_ImmediatelyReturnsFalse) {
+ StopWatch stopWatch("pollOnce");
+ bool result = mPollLoop->pollOnce(0);
+ int32_t elapsedMillis = ns2ms(stopWatch.elapsedTime());
+
+ EXPECT_NEAR(0, elapsedMillis, TIMING_TOLERANCE_MS)
+ << "elapsed time should be approx. zero";
+ EXPECT_FALSE(result)
+ << "pollOnce result should be false because timeout occurred";
+}
+
+TEST_F(PollLoopTest, PollOnce_WhenZeroTimeoutAndNoSignalledFDs_ImmediatelyReturnsFalse) {
+ Pipe pipe;
+ StubCallbackHandler handler(true);
+
+ handler.setCallback(mPollLoop, pipe.receiveFd, POLL_IN);
+
+ StopWatch stopWatch("pollOnce");
+ bool result = mPollLoop->pollOnce(0);
+ int32_t elapsedMillis = ns2ms(stopWatch.elapsedTime());
+
+ EXPECT_NEAR(0, elapsedMillis, TIMING_TOLERANCE_MS)
+ << "elapsed time should be approx. zero";
+ EXPECT_FALSE(result)
+ << "pollOnce result should be false because timeout occurred";
+ EXPECT_EQ(0, handler.callbackCount)
+ << "callback should not have been invoked because FD was not signalled";
+}
+
+TEST_F(PollLoopTest, PollOnce_WhenZeroTimeoutAndSignalledFD_ImmediatelyInvokesCallbackAndReturnsTrue) {
+ Pipe pipe;
+ StubCallbackHandler handler(true);
+
+ ASSERT_TRUE(pipe.writeSignal());
+ handler.setCallback(mPollLoop, pipe.receiveFd, POLL_IN);
+
+ StopWatch stopWatch("pollOnce");
+ bool result = mPollLoop->pollOnce(0);
+ int32_t elapsedMillis = ns2ms(stopWatch.elapsedTime());
+
+ EXPECT_NEAR(0, elapsedMillis, TIMING_TOLERANCE_MS)
+ << "elapsed time should be approx. zero";
+ EXPECT_TRUE(result)
+ << "pollOnce result should be true because FD was signalled";
+ EXPECT_EQ(1, handler.callbackCount)
+ << "callback should be invoked exactly once";
+ EXPECT_EQ(pipe.receiveFd, handler.fd)
+ << "callback should have received pipe fd as parameter";
+ EXPECT_EQ(POLL_IN, handler.events)
+ << "callback should have received POLL_IN as events";
+}
+
+TEST_F(PollLoopTest, PollOnce_WhenNonZeroTimeoutAndNoSignalledFDs_WaitsForTimeoutAndReturnsFalse) {
+ Pipe pipe;
+ StubCallbackHandler handler(true);
+
+ handler.setCallback(mPollLoop, pipe.receiveFd, POLL_IN);
+
+ StopWatch stopWatch("pollOnce");
+ bool result = mPollLoop->pollOnce(100);
+ int32_t elapsedMillis = ns2ms(stopWatch.elapsedTime());
+
+ EXPECT_NEAR(100, elapsedMillis, TIMING_TOLERANCE_MS)
+ << "elapsed time should approx. equal timeout";
+ EXPECT_FALSE(result)
+ << "pollOnce result should be false because timeout occurred";
+ EXPECT_EQ(0, handler.callbackCount)
+ << "callback should not have been invoked because FD was not signalled";
+}
+
+TEST_F(PollLoopTest, PollOnce_WhenNonZeroTimeoutAndSignalledFDBeforeWaiting_ImmediatelyInvokesCallbackAndReturnsTrue) {
+ Pipe pipe;
+ StubCallbackHandler handler(true);
+
+ pipe.writeSignal();
+ handler.setCallback(mPollLoop, pipe.receiveFd, POLL_IN);
+
+ StopWatch stopWatch("pollOnce");
+ bool result = mPollLoop->pollOnce(100);
+ int32_t elapsedMillis = ns2ms(stopWatch.elapsedTime());
+
+ ASSERT_TRUE(pipe.readSignal())
+ << "signal should actually have been written";
+ EXPECT_NEAR(0, elapsedMillis, TIMING_TOLERANCE_MS)
+ << "elapsed time should be approx. zero";
+ EXPECT_TRUE(result)
+ << "pollOnce result should be true because FD was signalled";
+ EXPECT_EQ(1, handler.callbackCount)
+ << "callback should be invoked exactly once";
+ EXPECT_EQ(pipe.receiveFd, handler.fd)
+ << "callback should have received pipe fd as parameter";
+ EXPECT_EQ(POLL_IN, handler.events)
+ << "callback should have received POLL_IN as events";
+}
+
+TEST_F(PollLoopTest, PollOnce_WhenNonZeroTimeoutAndSignalledFDWhileWaiting_PromptlyInvokesCallbackAndReturnsTrue) {
+ Pipe pipe;
+ StubCallbackHandler handler(true);
+ sp<DelayedWriteSignal> delayedWriteSignal = new DelayedWriteSignal(100, & pipe);
+
+ handler.setCallback(mPollLoop, pipe.receiveFd, POLL_IN);
+ delayedWriteSignal->run();
+
+ StopWatch stopWatch("pollOnce");
+ bool result = mPollLoop->pollOnce(1000);
+ int32_t elapsedMillis = ns2ms(stopWatch.elapsedTime());
+
+ ASSERT_TRUE(pipe.readSignal())
+ << "signal should actually have been written";
+ EXPECT_NEAR(100, elapsedMillis, TIMING_TOLERANCE_MS)
+ << "elapsed time should approx. equal signal delay";
+ EXPECT_TRUE(result)
+ << "pollOnce result should be true because FD was signalled";
+ EXPECT_EQ(1, handler.callbackCount)
+ << "callback should be invoked exactly once";
+ EXPECT_EQ(pipe.receiveFd, handler.fd)
+ << "callback should have received pipe fd as parameter";
+ EXPECT_EQ(POLL_IN, handler.events)
+ << "callback should have received POLL_IN as events";
+}
+
+TEST_F(PollLoopTest, PollOnce_WhenCallbackAddedThenRemoved_CallbackShouldNotBeInvoked) {
+ Pipe pipe;
+ StubCallbackHandler handler(true);
+
+ handler.setCallback(mPollLoop, pipe.receiveFd, POLL_IN);
+ pipe.writeSignal(); // would cause FD to be considered signalled
+ mPollLoop->removeCallback(pipe.receiveFd);
+
+ StopWatch stopWatch("pollOnce");
+ bool result = mPollLoop->pollOnce(100);
+ int32_t elapsedMillis = ns2ms(stopWatch.elapsedTime());
+
+ ASSERT_TRUE(pipe.readSignal())
+ << "signal should actually have been written";
+ EXPECT_NEAR(100, elapsedMillis, TIMING_TOLERANCE_MS)
+ << "elapsed time should approx. equal timeout because FD was no longer registered";
+ EXPECT_FALSE(result)
+ << "pollOnce result should be false because timeout occurred";
+ EXPECT_EQ(0, handler.callbackCount)
+ << "callback should not be invoked";
+}
+
+TEST_F(PollLoopTest, PollOnce_WhenCallbackReturnsFalse_CallbackShouldNotBeInvokedAgainLater) {
+ Pipe pipe;
+ StubCallbackHandler handler(false);
+
+ handler.setCallback(mPollLoop, pipe.receiveFd, POLL_IN);
+
+ // First loop: Callback is registered and FD is signalled.
+ pipe.writeSignal();
+
+ StopWatch stopWatch("pollOnce");
+ bool result = mPollLoop->pollOnce(0);
+ int32_t elapsedMillis = ns2ms(stopWatch.elapsedTime());
+
+ ASSERT_TRUE(pipe.readSignal())
+ << "signal should actually have been written";
+ EXPECT_NEAR(0, elapsedMillis, TIMING_TOLERANCE_MS)
+ << "elapsed time should approx. equal zero because FD was already signalled";
+ EXPECT_TRUE(result)
+ << "pollOnce result should be true because FD was signalled";
+ EXPECT_EQ(1, handler.callbackCount)
+ << "callback should be invoked";
+
+ // Second loop: Callback is no longer registered and FD is signalled.
+ pipe.writeSignal();
+
+ stopWatch.reset();
+ result = mPollLoop->pollOnce(0);
+ elapsedMillis = ns2ms(stopWatch.elapsedTime());
+
+ ASSERT_TRUE(pipe.readSignal())
+ << "signal should actually have been written";
+ EXPECT_NEAR(0, elapsedMillis, TIMING_TOLERANCE_MS)
+ << "elapsed time should approx. equal zero because timeout was zero";
+ EXPECT_FALSE(result)
+ << "pollOnce result should be false because timeout occurred";
+ EXPECT_EQ(1, handler.callbackCount)
+ << "callback should not be invoked this time";
+}
+
+TEST_F(PollLoopTest, RemoveCallback_WhenCallbackNotAdded_ReturnsFalse) {
+ bool result = mPollLoop->removeCallback(1);
+
+ EXPECT_FALSE(result)
+ << "removeCallback should return false because FD not registered";
+}
+
+TEST_F(PollLoopTest, RemoveCallback_WhenCallbackAddedThenRemovedTwice_ReturnsTrueFirstTimeAndReturnsFalseSecondTime) {
+ Pipe pipe;
+ StubCallbackHandler handler(false);
+ handler.setCallback(mPollLoop, pipe.receiveFd, POLL_IN);
+
+ // First time.
+ bool result = mPollLoop->removeCallback(pipe.receiveFd);
+
+ EXPECT_TRUE(result)
+ << "removeCallback should return true first time because FD was registered";
+
+ // Second time.
+ result = mPollLoop->removeCallback(pipe.receiveFd);
+
+ EXPECT_FALSE(result)
+ << "removeCallback should return false second time because FD was no longer registered";
+}
+
+TEST_F(PollLoopTest, PollOnce_WhenCallbackAddedTwice_OnlySecondCallbackShouldBeInvoked) {
+ Pipe pipe;
+ StubCallbackHandler handler1(true);
+ StubCallbackHandler handler2(true);
+
+ handler1.setCallback(mPollLoop, pipe.receiveFd, POLL_IN);
+ handler2.setCallback(mPollLoop, pipe.receiveFd, POLL_IN); // replace it
+ pipe.writeSignal(); // would cause FD to be considered signalled
+
+ StopWatch stopWatch("pollOnce");
+ bool result = mPollLoop->pollOnce(100);
+ int32_t elapsedMillis = ns2ms(stopWatch.elapsedTime());
+
+ ASSERT_TRUE(pipe.readSignal())
+ << "signal should actually have been written";
+ EXPECT_NEAR(0, elapsedMillis, TIMING_TOLERANCE_MS)
+ << "elapsed time should approx. zero because FD was already signalled";
+ EXPECT_TRUE(result)
+ << "pollOnce result should be true because FD was signalled";
+ EXPECT_EQ(0, handler1.callbackCount)
+ << "original handler callback should not be invoked because it was replaced";
+ EXPECT_EQ(1, handler2.callbackCount)
+ << "replacement handler callback should be invoked";
+}
+
+
+} // namespace android
diff --git a/libs/utils/tests/TestHelpers.h b/libs/utils/tests/TestHelpers.h
new file mode 100644
index 0000000..e55af3c
--- /dev/null
+++ b/libs/utils/tests/TestHelpers.h
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef TESTHELPERS_H
+#define TESTHELPERS_H
+
+#include <utils/threads.h>
+
+namespace android {
+
+class DelayedTask : public Thread {
+ int mDelayMillis;
+
+public:
+ DelayedTask(int delayMillis) : mDelayMillis(delayMillis) { }
+
+protected:
+ virtual ~DelayedTask() { }
+
+ virtual void doTask() = 0;
+
+ virtual bool threadLoop() {
+ usleep(mDelayMillis * 1000);
+ doTask();
+ return false;
+ }
+};
+
+} // namespace android
+
+#endif // TESTHELPERS_H
diff --git a/native/include/android/input.h b/native/include/android/input.h
new file mode 100644
index 0000000..ee2f664
--- /dev/null
+++ b/native/include/android/input.h
@@ -0,0 +1,500 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _ANDROID_INPUT_H
+#define _ANDROID_INPUT_H
+
+/******************************************************************
+ *
+ * IMPORTANT NOTICE:
+ *
+ * This file is part of Android's set of stable system headers
+ * exposed by the Android NDK (Native Development Kit).
+ *
+ * Third-party source AND binary code relies on the definitions
+ * here to be FROZEN ON ALL UPCOMING PLATFORM RELEASES.
+ *
+ * - DO NOT MODIFY ENUMS (EXCEPT IF YOU ADD NEW 32-BIT VALUES)
+ * - DO NOT MODIFY CONSTANTS OR FUNCTIONAL MACROS
+ * - DO NOT CHANGE THE SIGNATURE OF FUNCTIONS IN ANY WAY
+ * - DO NOT CHANGE THE LAYOUT OR SIZE OF STRUCTURES
+ */
+
+/*
+ * Structures and functions to receive and process input events in
+ * native code.
+ *
+ * NOTE: These functions MUST be implemented by /system/lib/libui.so
+ */
+
+#include <sys/types.h>
+#include <android/keycodes.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * Input device classes.
+ */
+enum {
+ /* The input device is a keyboard. */
+ INPUT_DEVICE_CLASS_KEYBOARD = 0x00000001,
+
+ /* The input device is an alpha-numeric keyboard (not just a dial pad). */
+ INPUT_DEVICE_CLASS_ALPHAKEY = 0x00000002,
+
+ /* The input device is a touchscreen (either single-touch or multi-touch). */
+ INPUT_DEVICE_CLASS_TOUCHSCREEN = 0x00000004,
+
+ /* The input device is a trackball. */
+ INPUT_DEVICE_CLASS_TRACKBALL = 0x00000008,
+
+ /* The input device is a multi-touch touchscreen. */
+ INPUT_DEVICE_CLASS_TOUCHSCREEN_MT= 0x00000010,
+
+ /* The input device is a directional pad. */
+ INPUT_DEVICE_CLASS_DPAD = 0x00000020
+};
+
+/*
+ * Key states (may be returned by queries about the current state of a
+ * particular key code, scan code or switch).
+ *
+ * XXX should we call this BUTTON_STATE_XXX?
+ */
+enum {
+ /* The key state is unknown or the requested key itself is not supported. */
+ KEY_STATE_UNKNOWN = -1,
+
+ /* The key is up. */
+ KEY_STATE_UP = 0,
+
+ /* The key is down. */
+ KEY_STATE_DOWN = 1,
+
+ /* The key is down but is a virtual key press that is being emulated by the system. */
+ KEY_STATE_VIRTUAL = 2
+};
+
+/*
+ * Meta key / modifer state.
+ */
+enum {
+ /* No meta keys are pressed. */
+ META_NONE = 0,
+
+ /* This mask is used to check whether one of the ALT meta keys is pressed. */
+ META_ALT_ON = 0x02,
+
+ /* This mask is used to check whether the left ALT meta key is pressed. */
+ META_ALT_LEFT_ON = 0x10,
+
+ /* This mask is used to check whether the right ALT meta key is pressed. */
+ META_ALT_RIGHT_ON = 0x20,
+
+ /* This mask is used to check whether one of the SHIFT meta keys is pressed. */
+ META_SHIFT_ON = 0x01,
+
+ /* This mask is used to check whether the left SHIFT meta key is pressed. */
+ META_SHIFT_LEFT_ON = 0x40,
+
+ /* This mask is used to check whether the right SHIFT meta key is pressed. */
+ META_SHIFT_RIGHT_ON = 0x80,
+
+ /* This mask is used to check whether the SYM meta key is pressed. */
+ META_SYM_ON = 0x04
+};
+
+/*
+ * Input events.
+ *
+ * Input events are opaque structures. Use the provided accessors functions to
+ * read their properties.
+ */
+struct input_event_t;
+typedef struct input_event_t input_event_t;
+
+/*
+ * Input event types.
+ */
+enum {
+ /* Indicates that the input event is a key event. */
+ INPUT_EVENT_TYPE_KEY = 1,
+
+ /* Indicates that the input event is a motion event. */
+ INPUT_EVENT_TYPE_MOTION = 2
+};
+
+/*
+ * Key event actions.
+ */
+enum {
+ /* The key has been pressed down. */
+ KEY_EVENT_ACTION_DOWN = 0,
+
+ /* The key has been released. */
+ KEY_EVENT_ACTION_UP = 1,
+
+ /* Multiple duplicate key events have occurred in a row, or a complex string is
+ * being delivered. The repeat_count property of the key event contains the number
+ * of times the given key code should be executed.
+ */
+ KEY_EVENT_ACTION_MULTIPLE = 2
+};
+
+/*
+ * Key event flags.
+ */
+enum {
+ /* This mask is set if the device woke because of this key event. */
+ KEY_EVENT_FLAG_WOKE_HERE = 0x1,
+
+ /* This mask is set if the key event was generated by a software keyboard. */
+ KEY_EVENT_FLAG_SOFT_KEYBOARD = 0x2,
+
+ /* This mask is set if we don't want the key event to cause us to leave touch mode. */
+ KEY_EVENT_FLAG_KEEP_TOUCH_MODE = 0x4,
+
+ /* This mask is set if an event was known to come from a trusted part
+ * of the system. That is, the event is known to come from the user,
+ * and could not have been spoofed by a third party component. */
+ KEY_EVENT_FLAG_FROM_SYSTEM = 0x8,
+
+ /* This mask is used for compatibility, to identify enter keys that are
+ * coming from an IME whose enter key has been auto-labelled "next" or
+ * "done". This allows TextView to dispatch these as normal enter keys
+ * for old applications, but still do the appropriate action when
+ * receiving them. */
+ KEY_EVENT_FLAG_EDITOR_ACTION = 0x10,
+
+ /* When associated with up key events, this indicates that the key press
+ * has been canceled. Typically this is used with virtual touch screen
+ * keys, where the user can slide from the virtual key area on to the
+ * display: in that case, the application will receive a canceled up
+ * event and should not perform the action normally associated with the
+ * key. Note that for this to work, the application can not perform an
+ * action for a key until it receives an up or the long press timeout has
+ * expired. */
+ KEY_EVENT_FLAG_CANCELED = 0x20,
+
+ /* This key event was generated by a virtual (on-screen) hard key area.
+ * Typically this is an area of the touchscreen, outside of the regular
+ * display, dedicated to "hardware" buttons. */
+ KEY_EVENT_FLAG_VIRTUAL_HARD_KEY = 0x40,
+
+ /* This flag is set for the first key repeat that occurs after the
+ * long press timeout. */
+ KEY_EVENT_FLAG_LONG_PRESS = 0x80,
+
+ /* Set when a key event has KEY_EVENT_FLAG_CANCELED set because a long
+ * press action was executed while it was down. */
+ KEY_EVENT_FLAG_CANCELED_LONG_PRESS = 0x100,
+
+ /* Set for KEY_EVENT_ACTION_UP when this event's key code is still being
+ * tracked from its initial down. That is, somebody requested that tracking
+ * started on the key down and a long press has not caused
+ * the tracking to be canceled. */
+ KEY_EVENT_FLAG_TRACKING = 0x200
+};
+
+/*
+ * Motion event actions.
+ */
+
+/* Bit shift for the action bits holding the pointer index as
+ * defined by MOTION_EVENT_ACTION_POINTER_INDEX_MASK.
+ */
+#define MOTION_EVENT_ACTION_POINTER_INDEX_SHIFT 8
+
+enum {
+ /* Bit mask of the parts of the action code that are the action itself.
+ */
+ MOTION_EVENT_ACTION_MASK = 0xff,
+
+ /* Bits in the action code that represent a pointer index, used with
+ * MOTION_EVENT_ACTION_POINTER_DOWN and MOTION_EVENT_ACTION_POINTER_UP. Shifting
+ * down by MOTION_EVENT_ACTION_POINTER_INDEX_SHIFT provides the actual pointer
+ * index where the data for the pointer going up or down can be found.
+ */
+ MOTION_EVENT_ACTION_POINTER_INDEX_MASK = 0xff00,
+
+ /* A pressed gesture has started, the motion contains the initial starting location.
+ */
+ MOTION_EVENT_ACTION_DOWN = 0,
+
+ /* A pressed gesture has finished, the motion contains the final release location
+ * as well as any intermediate points since the last down or move event.
+ */
+ MOTION_EVENT_ACTION_UP = 1,
+
+ /* A change has happened during a press gesture (between MOTION_EVENT_ACTION_DOWN and
+ * MOTION_EVENT_ACTION_UP). The motion contains the most recent point, as well as
+ * any intermediate points since the last down or move event.
+ */
+ MOTION_EVENT_ACTION_MOVE = 2,
+
+ /* The current gesture has been aborted.
+ * You will not receive any more points in it. You should treat this as
+ * an up event, but not perform any action that you normally would.
+ */
+ MOTION_EVENT_ACTION_CANCEL = 3,
+
+ /* A movement has happened outside of the normal bounds of the UI element.
+ * This does not provide a full gesture, but only the initial location of the movement/touch.
+ */
+ MOTION_EVENT_ACTION_OUTSIDE = 4,
+
+ /* A non-primary pointer has gone down.
+ * The bits in MOTION_EVENT_ACTION_POINTER_INDEX_MASK indicate which pointer changed.
+ */
+ MOTION_EVENT_ACTION_POINTER_DOWN = 5,
+
+ /* A non-primary pointer has gone up.
+ * The bits in MOTION_EVENT_ACTION_POINTER_INDEX_MASK indicate which pointer changed.
+ */
+ MOTION_EVENT_ACTION_POINTER_UP = 6
+};
+
+/*
+ * Motion event edge touch flags.
+ */
+enum {
+ /* No edges intersected */
+ MOTION_EVENT_EDGE_FLAG_NONE = 0,
+
+ /* Flag indicating the motion event intersected the top edge of the screen. */
+ MOTION_EVENT_EDGE_FLAG_TOP = 0x01,
+
+ /* Flag indicating the motion event intersected the bottom edge of the screen. */
+ MOTION_EVENT_EDGE_FLAG_BOTTOM = 0x02,
+
+ /* Flag indicating the motion event intersected the left edge of the screen. */
+ MOTION_EVENT_EDGE_FLAG_LEFT = 0x04,
+
+ /* Flag indicating the motion event intersected the right edge of the screen. */
+ MOTION_EVENT_EDGE_FLAG_RIGHT = 0x08
+};
+
+/*
+ * Specifies the logical nature of an input event.
+ * For example, the nature distinguishes between motion events that represent touches and
+ * those that represent trackball moves.
+ *
+ * XXX This concept is tentative. Another idea would be to associate events with logical
+ * controllers rather than physical devices. The interpretation of an event would
+ * be made with respect to the nature of the controller that is considered the logical
+ * source of an event. The decoupling is beneficial since multiple physical (and virtual)
+ * devices could be responsible for producing events that would be associated with
+ * various logical controllers. For example, the hard keyboard, on screen keyboard,
+ * and peripheral keyboard could be mapped onto a single logical "keyboard" controller
+ * (or treated independently, if desired).
+ */
+enum {
+ INPUT_EVENT_NATURE_KEY = 1,
+ INPUT_EVENT_NATURE_TOUCH = 2,
+ INPUT_EVENT_NATURE_TRACKBALL = 3
+};
+
+/*
+ * Input event accessors.
+ *
+ * Note that most functions can only be used on input events that are of a given type.
+ * Calling these functions on input events of other types will yield undefined behavior.
+ */
+
+/*** Accessors for all input events. ***/
+
+/* Get the input event type. */
+int32_t input_event_get_type(const input_event_t* event);
+
+/* Get the id for the device that an input event came from.
+ *
+ * Input events can be generated by multiple different input devices.
+ * Use the input device id to obtain information about the input
+ * device that was responsible for generating a particular event.
+ *
+ * An input device id of 0 indicates that the event didn't come from a physical device;
+ * other numbers are arbitrary and you shouldn't depend on the values.
+ * Use the provided input device query API to obtain information about input devices.
+ */
+int32_t input_event_get_device_id(const input_event_t* event);
+
+/* Get the input event nature. */
+int32_t input_event_get_nature(const input_event_t* event);
+
+/*** Accessors for key events only. ***/
+
+/* Get the key event action. */
+int32_t key_event_get_action(const input_event_t* key_event);
+
+/* Get the key event flags. */
+int32_t key_event_get_flags(const input_event_t* key_event);
+
+/* Get the key code of the key event.
+ * This is the physical key that was pressed, not the Unicode character. */
+int32_t key_event_get_key_code(const input_event_t* key_event);
+
+/* Get the hardware key id of this key event.
+ * These values are not reliable and vary from device to device. */
+int32_t key_event_get_scan_code(const input_event_t* key_event);
+
+/* Get the meta key state. */
+int32_t key_event_get_meta_state(const input_event_t* key_event);
+
+/* Get the repeat count of the event.
+ * For both key up an key down events, this is the number of times the key has
+ * repeated with the first down starting at 0 and counting up from there. For
+ * multiple key events, this is the number of down/up pairs that have occurred. */
+int32_t key_event_get_repeat_count(const input_event_t* key_event);
+
+/* Get the time of the most recent key down event, in the
+ * java.lang.System.nanoTime() time base. If this is a down event,
+ * this will be the same as eventTime.
+ * Note that when chording keys, this value is the down time of the most recently
+ * pressed key, which may not be the same physical key of this event. */
+int64_t key_event_get_down_time(const input_event_t* key_event);
+
+/* Get the time this event occurred, in the
+ * java.lang.System.nanoTime() time base. */
+int64_t key_event_get_event_time(const input_event_t* key_event);
+
+/*** Accessors for motion events only. ***/
+
+/* Get the combined motion event action code and pointer index. */
+int32_t motion_event_get_action(const input_event_t* motion_event);
+
+/* Get the state of any meta / modifier keys that were in effect when the
+ * event was generated. */
+int32_t motion_event_get_meta_state(const input_event_t* motion_event);
+
+/* Get a bitfield indicating which edges, if any, were touched by this motion event.
+ * For touch events, clients can use this to determine if the user's finger was
+ * touching the edge of the display. */
+int32_t motion_event_get_edge_flags(const input_event_t* motion_event);
+
+/* Get the time when the user originally pressed down to start a stream of
+ * position events, in the java.lang.System.nanoTime() time base. */
+int64_t motion_event_get_down_time(const input_event_t* motion_event);
+
+/* Get the time when this specific event was generated,
+ * in the java.lang.System.nanoTime() time base. */
+int64_t motion_event_get_event_time(const input_event_t* motion_event);
+
+/* Get the precision of the X coordinates being reported.
+ * You can multiply this number with an X coordinate sample to find the
+ * actual hardware value of the X coordinate. */
+float motion_event_get_x_precision(const input_event_t* motion_event);
+
+/* Get the precision of the Y coordinates being reported.
+ * You can multiply this number with a Y coordinate sample to find the
+ * actual hardware value of the Y coordinate. */
+float motion_event_get_y_precision(const input_event_t* motion_event);
+
+/* Get the number of pointers of data contained in this event.
+ * Always >= 1. */
+size_t motion_event_get_pointer_count(const input_event_t* motion_event);
+
+/* Get the pointer identifier associated with a particular pointer
+ * data index is this event. The identifier tells you the actual pointer
+ * number associated with the data, accounting for individual pointers
+ * going up and down since the start of the current gesture. */
+int32_t motion_event_get_pointer_id(const input_event_t* motion_event, size_t pointer_index);
+
+/* Get the original raw X coordinate of this event. For touch
+ * events on the screen, this is the original location of the event
+ * on the screen, before it had been adjusted for the containing window
+ * and views. */
+float motion_event_get_raw_x(const input_event_t* motion_event);
+
+/* Get the original raw X coordinate of this event. For touch
+ * events on the screen, this is the original location of the event
+ * on the screen, before it had been adjusted for the containing window
+ * and views. */
+float motion_event_get_raw_y(const input_event_t* motion_event);
+
+/* Get the current X coordinate of this event for the given pointer index.
+ * Whole numbers are pixels; the value may have a fraction for input devices
+ * that are sub-pixel precise. */
+float motion_event_get_x(const input_event_t* motion_event, size_t pointer_index);
+
+/* Get the current Y coordinate of this event for the given pointer index.
+ * Whole numbers are pixels; the value may have a fraction for input devices
+ * that are sub-pixel precise. */
+float motion_event_get_y(const input_event_t* motion_event, size_t pointer_index);
+
+/* Get the current pressure of this event for the given pointer index.
+ * The pressure generally ranges from 0 (no pressure at all) to 1 (normal pressure),
+ * however values higher than 1 may be generated depending on the calibration of
+ * the input device. */
+float motion_event_get_pressure(const input_event_t* motion_event, size_t pointer_index);
+
+/* Get the current scaled value of the approximate size for the given pointer index.
+ * This represents some approximation of the area of the screen being
+ * pressed; the actual value in pixels corresponding to the
+ * touch is normalized with the device specific range of values
+ * and scaled to a value between 0 and 1. The value of size can be used to
+ * determine fat touch events. */
+float motion_event_get_size(const input_event_t* motion_event, size_t pointer_index);
+
+/* Get the number of historical points in this event. These are movements that
+ * have occurred between this event and the previous event. This only applies
+ * to MOTION_EVENT_ACTION_MOVE events -- all other actions will have a size of 0.
+ * Historical samples are indexed from oldest to newest. */
+size_t motion_event_get_history_size(const input_event_t* motion_event);
+
+/* Get the time that a historical movement occurred between this event and
+ * the previous event, in the java.lang.System.nanoTime() time base. */
+int64_t motion_event_get_historical_event_time(input_event_t* motion_event,
+ size_t history_index);
+
+/* Get the historical X coordinate of this event for the given pointer index that
+ * occurred between this event and the previous motion event.
+ * Whole numbers are pixels; the value may have a fraction for input devices
+ * that are sub-pixel precise. */
+float motion_event_get_historical_x(input_event_t* motion_event, size_t pointer_index,
+ size_t history_index);
+
+/* Get the historical Y coordinate of this event for the given pointer index that
+ * occurred between this event and the previous motion event.
+ * Whole numbers are pixels; the value may have a fraction for input devices
+ * that are sub-pixel precise. */
+float motion_event_get_historical_y(input_event_t* motion_event, size_t pointer_index,
+ size_t history_index);
+
+/* Get the historical pressure of this event for the given pointer index that
+ * occurred between this event and the previous motion event.
+ * The pressure generally ranges from 0 (no pressure at all) to 1 (normal pressure),
+ * however values higher than 1 may be generated depending on the calibration of
+ * the input device. */
+float motion_event_get_historical_pressure(input_event_t* motion_event, size_t pointer_index,
+ size_t history_index);
+
+/* Get the current scaled value of the approximate size for the given pointer index that
+ * occurred between this event and the previous motion event.
+ * This represents some approximation of the area of the screen being
+ * pressed; the actual value in pixels corresponding to the
+ * touch is normalized with the device specific range of values
+ * and scaled to a value between 0 and 1. The value of size can be used to
+ * determine fat touch events. */
+float motion_event_get_historical_size(input_event_t* motion_event, size_t pointer_index,
+ size_t history_index);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // _ANDROID_INPUT_H
diff --git a/native/include/android/keycodes.h b/native/include/android/keycodes.h
new file mode 100644
index 0000000..36855c5
--- /dev/null
+++ b/native/include/android/keycodes.h
@@ -0,0 +1,158 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _ANDROID_KEYCODES_H
+#define _ANDROID_KEYCODES_H
+
+/******************************************************************
+ *
+ * IMPORTANT NOTICE:
+ *
+ * This file is part of Android's set of stable system headers
+ * exposed by the Android NDK (Native Development Kit).
+ *
+ * Third-party source AND binary code relies on the definitions
+ * here to be FROZEN ON ALL UPCOMING PLATFORM RELEASES.
+ *
+ * - DO NOT MODIFY ENUMS (EXCEPT IF YOU ADD NEW 32-BIT VALUES)
+ * - DO NOT MODIFY CONSTANTS OR FUNCTIONAL MACROS
+ * - DO NOT CHANGE THE SIGNATURE OF FUNCTIONS IN ANY WAY
+ * - DO NOT CHANGE THE LAYOUT OR SIZE OF STRUCTURES
+ */
+
+#include <sys/types.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * Key codes.
+ *
+ * XXX: The declarations in <ui/KeycodeLabel.h> should be updated to use these instead.
+ * We should probably move this into android/keycodes.h and add some new API for
+ * getting labels so that we can remove the other tables also in KeycodeLabel.h.
+ */
+enum {
+ KEYCODE_UNKNOWN = 0,
+ KEYCODE_SOFT_LEFT = 1,
+ KEYCODE_SOFT_RIGHT = 2,
+ KEYCODE_HOME = 3,
+ KEYCODE_BACK = 4,
+ KEYCODE_CALL = 5,
+ KEYCODE_ENDCALL = 6,
+ KEYCODE_0 = 7,
+ KEYCODE_1 = 8,
+ KEYCODE_2 = 9,
+ KEYCODE_3 = 10,
+ KEYCODE_4 = 11,
+ KEYCODE_5 = 12,
+ KEYCODE_6 = 13,
+ KEYCODE_7 = 14,
+ KEYCODE_8 = 15,
+ KEYCODE_9 = 16,
+ KEYCODE_STAR = 17,
+ KEYCODE_POUND = 18,
+ KEYCODE_DPAD_UP = 19,
+ KEYCODE_DPAD_DOWN = 20,
+ KEYCODE_DPAD_LEFT = 21,
+ KEYCODE_DPAD_RIGHT = 22,
+ KEYCODE_DPAD_CENTER = 23,
+ KEYCODE_VOLUME_UP = 24,
+ KEYCODE_VOLUME_DOWN = 25,
+ KEYCODE_POWER = 26,
+ KEYCODE_CAMERA = 27,
+ KEYCODE_CLEAR = 28,
+ KEYCODE_A = 29,
+ KEYCODE_B = 30,
+ KEYCODE_C = 31,
+ KEYCODE_D = 32,
+ KEYCODE_E = 33,
+ KEYCODE_F = 34,
+ KEYCODE_G = 35,
+ KEYCODE_H = 36,
+ KEYCODE_I = 37,
+ KEYCODE_J = 38,
+ KEYCODE_K = 39,
+ KEYCODE_L = 40,
+ KEYCODE_M = 41,
+ KEYCODE_N = 42,
+ KEYCODE_O = 43,
+ KEYCODE_P = 44,
+ KEYCODE_Q = 45,
+ KEYCODE_R = 46,
+ KEYCODE_S = 47,
+ KEYCODE_T = 48,
+ KEYCODE_U = 49,
+ KEYCODE_V = 50,
+ KEYCODE_W = 51,
+ KEYCODE_X = 52,
+ KEYCODE_Y = 53,
+ KEYCODE_Z = 54,
+ KEYCODE_COMMA = 55,
+ KEYCODE_PERIOD = 56,
+ KEYCODE_ALT_LEFT = 57,
+ KEYCODE_ALT_RIGHT = 58,
+ KEYCODE_SHIFT_LEFT = 59,
+ KEYCODE_SHIFT_RIGHT = 60,
+ KEYCODE_TAB = 61,
+ KEYCODE_SPACE = 62,
+ KEYCODE_SYM = 63,
+ KEYCODE_EXPLORER = 64,
+ KEYCODE_ENVELOPE = 65,
+ KEYCODE_ENTER = 66,
+ KEYCODE_DEL = 67,
+ KEYCODE_GRAVE = 68,
+ KEYCODE_MINUS = 69,
+ KEYCODE_EQUALS = 70,
+ KEYCODE_LEFT_BRACKET = 71,
+ KEYCODE_RIGHT_BRACKET = 72,
+ KEYCODE_BACKSLASH = 73,
+ KEYCODE_SEMICOLON = 74,
+ KEYCODE_APOSTROPHE = 75,
+ KEYCODE_SLASH = 76,
+ KEYCODE_AT = 77,
+ KEYCODE_NUM = 78,
+ KEYCODE_HEADSETHOOK = 79,
+ KEYCODE_FOCUS = 80, // *Camera* focus
+ KEYCODE_PLUS = 81,
+ KEYCODE_MENU = 82,
+ KEYCODE_NOTIFICATION = 83,
+ KEYCODE_SEARCH = 84,
+ KEYCODE_MEDIA_PLAY_PAUSE= 85,
+ KEYCODE_MEDIA_STOP = 86,
+ KEYCODE_MEDIA_NEXT = 87,
+ KEYCODE_MEDIA_PREVIOUS = 88,
+ KEYCODE_MEDIA_REWIND = 89,
+ KEYCODE_MEDIA_FAST_FORWARD = 90,
+ KEYCODE_MUTE = 91,
+ KEYCODE_PAGE_UP = 92,
+ KEYCODE_PAGE_DOWN = 93
+
+ /* NOTE: If you add a new keycode here you must also add it to:
+ * native/include/android/keycodes.h
+ * frameworks/base/include/ui/KeycodeLabels.h
+ * frameworks/base/core/java/android/view/KeyEvent.java
+ * tools/puppet_master/PuppetMaster.nav_keys.py
+ * frameworks/base/core/res/res/values/attrs.xml
+ */
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // _ANDROID_KEYCODES_H
diff --git a/policy/com/android/internal/policy/impl/KeyguardViewMediator.java b/policy/com/android/internal/policy/impl/KeyguardViewMediator.java
index eb61f5e..88203c3 100644
--- a/policy/com/android/internal/policy/impl/KeyguardViewMediator.java
+++ b/policy/com/android/internal/policy/impl/KeyguardViewMediator.java
@@ -86,7 +86,7 @@
* This class is created by the initialization routine of the {@link WindowManagerPolicy},
* and runs on its thread. The keyguard UI is created from that thread in the
* constructor of this class. The apis may be called from other threads, including the
- * {@link com.android.server.KeyInputQueue}'s and {@link android.view.WindowManager}'s.
+ * {@link com.android.server.InputManager}'s and {@link android.view.WindowManager}'s.
* Therefore, methods on this class are synchronized, and any action that is pointed
* directly to the keyguard UI is posted to a {@link Handler} to ensure it is taken on the UI
* thread of the keyguard.
diff --git a/policy/com/android/internal/policy/impl/PhoneWindowManager.java b/policy/com/android/internal/policy/impl/PhoneWindowManager.java
index d152bc4..a01e25b 100755
--- a/policy/com/android/internal/policy/impl/PhoneWindowManager.java
+++ b/policy/com/android/internal/policy/impl/PhoneWindowManager.java
@@ -1641,6 +1641,36 @@
}
return false;
}
+
+ public void notifyLidSwitchChanged(long whenNanos, boolean lidOpen) {
+ // lid changed state
+ mLidOpen = lidOpen;
+ boolean awakeNow = mKeyguardMediator.doLidChangeTq(mLidOpen);
+ updateRotation(Surface.FLAGS_ORIENTATION_ANIMATION_DISABLE);
+ if (awakeNow) {
+ // If the lid opening and we don't have to keep the
+ // keyguard up, then we can turn on the screen
+ // immediately.
+ mKeyguardMediator.pokeWakelock();
+ } else if (keyguardIsShowingTq()) {
+ if (mLidOpen) {
+ // If we are opening the lid and not hiding the
+ // keyguard, then we need to have it turn on the
+ // screen once it is shown.
+ mKeyguardMediator.onWakeKeyWhenKeyguardShowingTq(
+ KeyEvent.KEYCODE_POWER);
+ }
+ } else {
+ // Light up the keyboard if we are sliding up.
+ if (mLidOpen) {
+ mPowerManager.userActivity(SystemClock.uptimeMillis(), false,
+ LocalPowerManager.BUTTON_EVENT);
+ } else {
+ mPowerManager.userActivity(SystemClock.uptimeMillis(), false,
+ LocalPowerManager.OTHER_EVENT);
+ }
+ }
+ }
/** {@inheritDoc} */
diff --git a/services/java/com/android/server/InputManager.java b/services/java/com/android/server/InputManager.java
new file mode 100644
index 0000000..72c4166
--- /dev/null
+++ b/services/java/com/android/server/InputManager.java
@@ -0,0 +1,460 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.server;
+
+import com.android.internal.util.XmlUtils;
+import com.android.server.KeyInputQueue.VirtualKey;
+
+import org.xmlpull.v1.XmlPullParser;
+
+import android.content.Context;
+import android.content.res.Configuration;
+import android.os.Environment;
+import android.os.LocalPowerManager;
+import android.os.PowerManager;
+import android.util.Log;
+import android.util.Slog;
+import android.util.Xml;
+import android.view.InputChannel;
+import android.view.InputTarget;
+import android.view.KeyEvent;
+import android.view.MotionEvent;
+import android.view.RawInputEvent;
+import android.view.Surface;
+import android.view.WindowManagerPolicy;
+
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.FileReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.io.PrintWriter;
+import java.util.ArrayList;
+
+/*
+ * Wraps the C++ InputManager and provides its callbacks.
+ *
+ * XXX Tempted to promote this to a first-class service, ie. InputManagerService, to
+ * improve separation of concerns with respect to the window manager.
+ */
+public class InputManager {
+ static final String TAG = "InputManager";
+
+ private final Callbacks mCallbacks;
+ private final Context mContext;
+ private final WindowManagerService mWindowManagerService;
+ private final WindowManagerPolicy mWindowManagerPolicy;
+ private final PowerManager mPowerManager;
+ private final PowerManagerService mPowerManagerService;
+
+ private int mTouchScreenConfig;
+ private int mKeyboardConfig;
+ private int mNavigationConfig;
+
+ private static native void nativeInit(Callbacks callbacks);
+ private static native void nativeStart();
+ private static native void nativeSetDisplaySize(int displayId, int width, int height);
+ private static native void nativeSetDisplayOrientation(int displayId, int rotation);
+
+ private static native int nativeGetScanCodeState(int deviceId, int deviceClasses,
+ int scanCode);
+ private static native int nativeGetKeyCodeState(int deviceId, int deviceClasses,
+ int keyCode);
+ private static native int nativeGetSwitchState(int deviceId, int deviceClasses,
+ int sw);
+ private static native boolean nativeHasKeys(int[] keyCodes, boolean[] keyExists);
+ private static native void nativeRegisterInputChannel(InputChannel inputChannel);
+ private static native void nativeUnregisterInputChannel(InputChannel inputChannel);
+
+ // Device class as defined by EventHub.
+ private static final int CLASS_KEYBOARD = 0x00000001;
+ private static final int CLASS_ALPHAKEY = 0x00000002;
+ private static final int CLASS_TOUCHSCREEN = 0x00000004;
+ private static final int CLASS_TRACKBALL = 0x00000008;
+ private static final int CLASS_TOUCHSCREEN_MT = 0x00000010;
+ private static final int CLASS_DPAD = 0x00000020;
+
+ public InputManager(Context context,
+ WindowManagerService windowManagerService,
+ WindowManagerPolicy windowManagerPolicy,
+ PowerManager powerManager,
+ PowerManagerService powerManagerService) {
+ this.mContext = context;
+ this.mWindowManagerService = windowManagerService;
+ this.mWindowManagerPolicy = windowManagerPolicy;
+ this.mPowerManager = powerManager;
+ this.mPowerManagerService = powerManagerService;
+
+ this.mCallbacks = new Callbacks();
+
+ mTouchScreenConfig = Configuration.TOUCHSCREEN_NOTOUCH;
+ mKeyboardConfig = Configuration.KEYBOARD_NOKEYS;
+ mNavigationConfig = Configuration.NAVIGATION_NONAV;
+
+ init();
+ }
+
+ private void init() {
+ Slog.i(TAG, "Initializing input manager");
+ nativeInit(mCallbacks);
+ }
+
+ public void start() {
+ Slog.i(TAG, "Starting input manager");
+ nativeStart();
+ }
+
+ public void setDisplaySize(int displayId, int width, int height) {
+ if (width <= 0 || height <= 0) {
+ throw new IllegalArgumentException("Invalid display id or dimensions.");
+ }
+
+ Slog.i(TAG, "Setting display #" + displayId + " size to " + width + "x" + height);
+ nativeSetDisplaySize(displayId, width, height);
+ }
+
+ public void setDisplayOrientation(int displayId, int rotation) {
+ if (rotation < Surface.ROTATION_0 || rotation > Surface.ROTATION_270) {
+ throw new IllegalArgumentException("Invalid rotation.");
+ }
+
+ Slog.i(TAG, "Setting display #" + displayId + " orientation to " + rotation);
+ nativeSetDisplayOrientation(displayId, rotation);
+ }
+
+ public void getInputConfiguration(Configuration config) {
+ if (config == null) {
+ throw new IllegalArgumentException("config must not be null.");
+ }
+
+ config.touchscreen = mTouchScreenConfig;
+ config.keyboard = mKeyboardConfig;
+ config.navigation = mNavigationConfig;
+ }
+
+ public int getScancodeState(int code) {
+ return nativeGetScanCodeState(0, -1, code);
+ }
+
+ public int getScancodeState(int deviceId, int code) {
+ return nativeGetScanCodeState(deviceId, -1, code);
+ }
+
+ public int getTrackballScancodeState(int code) {
+ return nativeGetScanCodeState(-1, CLASS_TRACKBALL, code);
+ }
+
+ public int getDPadScancodeState(int code) {
+ return nativeGetScanCodeState(-1, CLASS_DPAD, code);
+ }
+
+ public int getKeycodeState(int code) {
+ return nativeGetKeyCodeState(0, -1, code);
+ }
+
+ public int getKeycodeState(int deviceId, int code) {
+ return nativeGetKeyCodeState(deviceId, -1, code);
+ }
+
+ public int getTrackballKeycodeState(int code) {
+ return nativeGetKeyCodeState(-1, CLASS_TRACKBALL, code);
+ }
+
+ public int getDPadKeycodeState(int code) {
+ return nativeGetKeyCodeState(-1, CLASS_DPAD, code);
+ }
+
+ public int getSwitchState(int sw) {
+ return nativeGetSwitchState(-1, -1, sw);
+ }
+
+ public int getSwitchState(int deviceId, int sw) {
+ return nativeGetSwitchState(deviceId, -1, sw);
+ }
+
+ public boolean hasKeys(int[] keyCodes, boolean[] keyExists) {
+ if (keyCodes == null) {
+ throw new IllegalArgumentException("keyCodes must not be null.");
+ }
+ if (keyExists == null) {
+ throw new IllegalArgumentException("keyExists must not be null.");
+ }
+
+ return nativeHasKeys(keyCodes, keyExists);
+ }
+
+ public void registerInputChannel(InputChannel inputChannel) {
+ if (inputChannel == null) {
+ throw new IllegalArgumentException("inputChannel must not be null.");
+ }
+
+ nativeRegisterInputChannel(inputChannel);
+ }
+
+ public void unregisterInputChannel(InputChannel inputChannel) {
+ if (inputChannel == null) {
+ throw new IllegalArgumentException("inputChannel must not be null.");
+ }
+
+ nativeUnregisterInputChannel(inputChannel);
+ }
+
+ // TBD where this really belongs, duplicate copy in WindowManagerService
+ static final int INJECT_FAILED = 0;
+ static final int INJECT_SUCCEEDED = 1;
+ static final int INJECT_NO_PERMISSION = -1;
+
+ /**
+ * Injects a key event into the event system on behalf of an application.
+ * @param event The event to inject.
+ * @param nature The nature of the event.
+ * @param sync If true, waits for the event to be completed before returning.
+ * @param pid The pid of the injecting application.
+ * @param uid The uid of the injecting application.
+ * @return INJECT_SUCCEEDED, INJECT_FAILED or INJECT_NO_PERMISSION
+ */
+ public int injectKeyEvent(KeyEvent event, int nature, boolean sync, int pid, int uid) {
+ // TODO
+ return INJECT_FAILED;
+ }
+
+ /**
+ * Injects a motion event into the event system on behalf of an application.
+ * @param event The event to inject.
+ * @param nature The nature of the event.
+ * @param sync If true, waits for the event to be completed before returning.
+ * @param pid The pid of the injecting application.
+ * @param uid The uid of the injecting application.
+ * @return INJECT_SUCCEEDED, INJECT_FAILED or INJECT_NO_PERMISSION
+ */
+ public int injectMotionEvent(MotionEvent event, int nature, boolean sync, int pid, int uid) {
+ // TODO
+ return INJECT_FAILED;
+ }
+
+ public void dump(PrintWriter pw) {
+ // TODO
+ }
+
+ private static final class VirtualKeyDefinition {
+ public int scanCode;
+
+ // configured position data, specified in display coords
+ public int centerX;
+ public int centerY;
+ public int width;
+ public int height;
+ }
+
+ /*
+ * Callbacks from native.
+ */
+ private class Callbacks {
+ static final String TAG = "InputManager-Callbacks";
+
+ private static final boolean DEBUG_VIRTUAL_KEYS = false;
+ private static final String EXCLUDED_DEVICES_PATH = "etc/excluded-input-devices.xml";
+
+ private final InputTargetList mReusableInputTargetList = new InputTargetList();
+
+ @SuppressWarnings("unused")
+ public boolean isScreenOn() {
+ return mPowerManagerService.isScreenOn();
+ }
+
+ @SuppressWarnings("unused")
+ public boolean isScreenBright() {
+ return mPowerManagerService.isScreenBright();
+ }
+
+ @SuppressWarnings("unused")
+ public void virtualKeyFeedback(long whenNanos, int deviceId, int action, int flags,
+ int keyCode, int scanCode, int metaState, long downTimeNanos) {
+ KeyEvent keyEvent = new KeyEvent(downTimeNanos / 1000000,
+ whenNanos / 1000000, action, keyCode, 0, metaState, scanCode, deviceId,
+ flags);
+
+ mWindowManagerService.virtualKeyFeedback(keyEvent);
+ }
+
+ @SuppressWarnings("unused")
+ public void notifyConfigurationChanged(long whenNanos,
+ int touchScreenConfig, int keyboardConfig, int navigationConfig) {
+ mTouchScreenConfig = touchScreenConfig;
+ mKeyboardConfig = keyboardConfig;
+ mNavigationConfig = navigationConfig;
+
+ mWindowManagerService.sendNewConfiguration();
+ }
+
+ @SuppressWarnings("unused")
+ public void notifyLidSwitchChanged(long whenNanos, boolean lidOpen) {
+ mWindowManagerPolicy.notifyLidSwitchChanged(whenNanos, lidOpen);
+ }
+
+ @SuppressWarnings("unused")
+ public int hackInterceptKey(int deviceId, int type, int scanCode,
+ int keyCode, int policyFlags, int value, long whenNanos, boolean isScreenOn) {
+ RawInputEvent event = new RawInputEvent();
+ event.deviceId = deviceId;
+ event.type = type;
+ event.scancode = scanCode;
+ event.keycode = keyCode;
+ event.flags = policyFlags;
+ event.value = value;
+ event.when = whenNanos / 1000000;
+
+ return mWindowManagerPolicy.interceptKeyTq(event, isScreenOn);
+ }
+
+ @SuppressWarnings("unused")
+ public void goToSleep(long whenNanos) {
+ long when = whenNanos / 1000000;
+ mPowerManager.goToSleep(when);
+ }
+
+ @SuppressWarnings("unused")
+ public void pokeUserActivityForKey(long whenNanos) {
+ long when = whenNanos / 1000000;
+ mPowerManagerService.userActivity(when, false,
+ LocalPowerManager.BUTTON_EVENT, false);
+ }
+
+ @SuppressWarnings("unused")
+ public void notifyAppSwitchComing() {
+ mWindowManagerService.mKeyWaiter.appSwitchComing();
+ }
+
+ @SuppressWarnings("unused")
+ public boolean filterTouchEvents() {
+ return mContext.getResources().getBoolean(
+ com.android.internal.R.bool.config_filterTouchEvents);
+ }
+
+ @SuppressWarnings("unused")
+ public boolean filterJumpyTouchEvents() {
+ return mContext.getResources().getBoolean(
+ com.android.internal.R.bool.config_filterJumpyTouchEvents);
+ }
+
+ @SuppressWarnings("unused")
+ public VirtualKeyDefinition[] getVirtualKeyDefinitions(String deviceName) {
+ ArrayList<VirtualKeyDefinition> keys = new ArrayList<VirtualKeyDefinition>();
+
+ try {
+ FileInputStream fis = new FileInputStream(
+ "/sys/board_properties/virtualkeys." + deviceName);
+ InputStreamReader isr = new InputStreamReader(fis);
+ BufferedReader br = new BufferedReader(isr, 2048);
+ String str = br.readLine();
+ if (str != null) {
+ String[] it = str.split(":");
+ if (DEBUG_VIRTUAL_KEYS) Slog.v(TAG, "***** VIRTUAL KEYS: " + it);
+ final int N = it.length-6;
+ for (int i=0; i<=N; i+=6) {
+ if (!"0x01".equals(it[i])) {
+ Slog.w(TAG, "Unknown virtual key type at elem #" + i
+ + ": " + it[i]);
+ continue;
+ }
+ try {
+ VirtualKeyDefinition key = new VirtualKeyDefinition();
+ key.scanCode = Integer.parseInt(it[i+1]);
+ key.centerX = Integer.parseInt(it[i+2]);
+ key.centerY = Integer.parseInt(it[i+3]);
+ key.width = Integer.parseInt(it[i+4]);
+ key.height = Integer.parseInt(it[i+5]);
+ if (DEBUG_VIRTUAL_KEYS) Slog.v(TAG, "Virtual key "
+ + key.scanCode + ": center=" + key.centerX + ","
+ + key.centerY + " size=" + key.width + "x"
+ + key.height);
+ keys.add(key);
+ } catch (NumberFormatException e) {
+ Slog.w(TAG, "Bad number at region " + i + " in: "
+ + str, e);
+ }
+ }
+ }
+ br.close();
+ } catch (FileNotFoundException e) {
+ Slog.i(TAG, "No virtual keys found");
+ } catch (IOException e) {
+ Slog.w(TAG, "Error reading virtual keys", e);
+ }
+
+ return keys.toArray(new VirtualKeyDefinition[keys.size()]);
+ }
+
+ @SuppressWarnings("unused")
+ public String[] getExcludedDeviceNames() {
+ ArrayList<String> names = new ArrayList<String>();
+
+ // Read partner-provided list of excluded input devices
+ XmlPullParser parser = null;
+ // Environment.getRootDirectory() is a fancy way of saying ANDROID_ROOT or "/system".
+ File confFile = new File(Environment.getRootDirectory(), EXCLUDED_DEVICES_PATH);
+ FileReader confreader = null;
+ try {
+ confreader = new FileReader(confFile);
+ parser = Xml.newPullParser();
+ parser.setInput(confreader);
+ XmlUtils.beginDocument(parser, "devices");
+
+ while (true) {
+ XmlUtils.nextElement(parser);
+ if (!"device".equals(parser.getName())) {
+ break;
+ }
+ String name = parser.getAttributeValue(null, "name");
+ if (name != null) {
+ names.add(name);
+ }
+ }
+ } catch (FileNotFoundException e) {
+ // It's ok if the file does not exist.
+ } catch (Exception e) {
+ Slog.e(TAG, "Exception while parsing '" + confFile.getAbsolutePath() + "'", e);
+ } finally {
+ try { if (confreader != null) confreader.close(); } catch (IOException e) { }
+ }
+
+ return names.toArray(new String[names.size()]);
+ }
+
+ @SuppressWarnings("unused")
+ public InputTarget[] getKeyEventTargets(KeyEvent event, int nature, int policyFlags) {
+ mReusableInputTargetList.clear();
+
+ mWindowManagerService.getKeyEventTargets(mReusableInputTargetList,
+ event, nature, policyFlags);
+
+ return mReusableInputTargetList.toNullTerminatedArray();
+ }
+
+ @SuppressWarnings("unused")
+ public InputTarget[] getMotionEventTargets(MotionEvent event, int nature, int policyFlags) {
+ mReusableInputTargetList.clear();
+
+ mWindowManagerService.getMotionEventTargets(mReusableInputTargetList,
+ event, nature, policyFlags);
+
+ return mReusableInputTargetList.toNullTerminatedArray();
+ }
+ }
+}
diff --git a/services/java/com/android/server/InputTargetList.java b/services/java/com/android/server/InputTargetList.java
new file mode 100644
index 0000000..1575612
--- /dev/null
+++ b/services/java/com/android/server/InputTargetList.java
@@ -0,0 +1,105 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.server;
+
+import android.view.InputChannel;
+import android.view.InputTarget;
+
+/**
+ * A specialized list of input targets backed by an array.
+ *
+ * This class is part of an InputManager optimization to avoid allocating and copying
+ * input target arrays unnecessarily on return from JNI callbacks. Internally, it keeps
+ * an array full of demand-allocated InputTarget objects that it recycles each time the
+ * list is cleared. The used portion of the array is padded with a null.
+ *
+ * @hide
+ */
+public class InputTargetList {
+ private InputTarget[] mArray;
+ private int mCount;
+
+ /**
+ * Creates an empty input target list.
+ */
+ public InputTargetList() {
+ mArray = new InputTarget[8];
+ }
+
+ /**
+ * Clears the input target list.
+ */
+ public void clear() {
+ if (mCount == 0) {
+ return;
+ }
+
+ int count = mCount;
+ mCount = 0;
+ mArray[count] = mArray[0];
+ while (count > 0) {
+ count -= 1;
+ mArray[count].recycle();
+ }
+ // mArray[0] could be set to null here but we do it in toNullTerminatedArray()
+ }
+
+ /**
+ * Adds a new input target to the input target list.
+ * @param inputChannel The input channel of the target window.
+ * @param flags Input target flags.
+ * @param timeoutNanos The input dispatch timeout (before ANR) in nanoseconds or -1 if none.
+ * @param xOffset An offset to add to motion X coordinates during delivery.
+ * @param yOffset An offset to add to motion Y coordinates during delivery.
+ */
+ public void add(InputChannel inputChannel, int flags, long timeoutNanos,
+ float xOffset, float yOffset) {
+ if (inputChannel == null) {
+ throw new IllegalArgumentException("inputChannel must not be null");
+ }
+
+ if (mCount + 1 == mArray.length) {
+ InputTarget[] oldArray = mArray;
+ mArray = new InputTarget[oldArray.length * 2];
+ System.arraycopy(oldArray, 0, mArray, 0, mCount);
+ }
+
+ // Grab InputTarget from tail (after used section) if available.
+ InputTarget inputTarget = mArray[mCount + 1];
+ if (inputTarget == null) {
+ inputTarget = new InputTarget();
+ }
+ inputTarget.mInputChannel = inputChannel;
+ inputTarget.mFlags = flags;
+ inputTarget.mTimeoutNanos = timeoutNanos;
+ inputTarget.mXOffset = xOffset;
+ inputTarget.mYOffset = yOffset;
+
+ mArray[mCount] = inputTarget;
+ mCount += 1;
+ // mArray[mCount] could be set to null here but we do it in toNullTerminatedArray()
+ }
+
+ /**
+ * Gets the input targets as a null-terminated array.
+ * @return The input target array.
+ */
+ public InputTarget[] toNullTerminatedArray() {
+ mArray[mCount] = null;
+ return mArray;
+ }
+}
\ No newline at end of file
diff --git a/services/java/com/android/server/KeyInputQueue.java b/services/java/com/android/server/KeyInputQueue.java
index f30346b..f62c7ee 100644
--- a/services/java/com/android/server/KeyInputQueue.java
+++ b/services/java/com/android/server/KeyInputQueue.java
@@ -298,7 +298,9 @@
mHapticFeedbackCallback = hapticFeedbackCallback;
- readExcludedDevices();
+ if (! WindowManagerService.ENABLE_NATIVE_INPUT_DISPATCH) {
+ readExcludedDevices();
+ }
PowerManager pm = (PowerManager)context.getSystemService(
Context.POWER_SERVICE);
@@ -311,7 +313,9 @@
mFirst.next = mLast;
mLast.prev = mFirst;
- mThread.start();
+ if (! WindowManagerService.ENABLE_NATIVE_INPUT_DISPATCH) {
+ mThread.start();
+ }
}
public void setDisplay(Display display) {
diff --git a/services/java/com/android/server/WindowManagerService.java b/services/java/com/android/server/WindowManagerService.java
index ac5e3f1..9bc3931 100644
--- a/services/java/com/android/server/WindowManagerService.java
+++ b/services/java/com/android/server/WindowManagerService.java
@@ -101,6 +101,9 @@
import android.view.IWindow;
import android.view.IWindowManager;
import android.view.IWindowSession;
+import android.view.InputChannel;
+import android.view.InputQueue;
+import android.view.InputTarget;
import android.view.KeyEvent;
import android.view.MotionEvent;
import android.view.RawInputEvent;
@@ -157,6 +160,8 @@
static final boolean SHOW_TRANSACTIONS = false;
static final boolean HIDE_STACK_CRAWLS = true;
static final boolean MEASURE_LATENCY = false;
+ static final boolean ENABLE_NATIVE_INPUT_DISPATCH =
+ WindowManagerPolicy.ENABLE_NATIVE_INPUT_DISPATCH;
static private LatencyTimer lt;
static final boolean PROFILE_ORIENTATION = false;
@@ -497,10 +502,12 @@
final KeyWaiter mKeyWaiter = new KeyWaiter();
final KeyQ mQueue;
+ final InputManager mInputManager;
final InputDispatcherThread mInputThread;
// Who is holding the screen on.
Session mHoldingScreenOn;
+ PowerManager.WakeLock mHoldingScreenWakeLock;
boolean mTurnOnScreen;
@@ -650,8 +657,16 @@
}
mMinWaitTimeBetweenTouchEvents = 1000 / max_events_per_sec;
- mQueue = new KeyQ();
+ mHoldingScreenWakeLock = pmc.newWakeLock(PowerManager.SCREEN_BRIGHT_WAKE_LOCK,
+ "KEEP_SCREEN_ON_FLAG");
+ mHoldingScreenWakeLock.setReferenceCounted(false);
+ if (ENABLE_NATIVE_INPUT_DISPATCH) {
+ mInputManager = new InputManager(context, this, mPolicy, pmc, mPowerManager);
+ } else {
+ mInputManager = null;
+ }
+ mQueue = new KeyQ();
mInputThread = new InputDispatcherThread();
PolicyThread thr = new PolicyThread(mPolicy, this, context, pm);
@@ -666,7 +681,11 @@
}
}
- mInputThread.start();
+ if (ENABLE_NATIVE_INPUT_DISPATCH) {
+ mInputManager.start();
+ } else {
+ mInputThread.start();
+ }
// Add ourself to the Watchdog monitors.
Watchdog.getInstance().addMonitor(this);
@@ -1859,7 +1878,7 @@
public int addWindow(Session session, IWindow client,
WindowManager.LayoutParams attrs, int viewVisibility,
- Rect outContentInsets) {
+ Rect outContentInsets, InputChannel outInputChannel) {
int res = mPolicy.checkAddPermission(attrs);
if (res != WindowManagerImpl.ADD_OKAY) {
return res;
@@ -1878,7 +1897,12 @@
mDisplay = wm.getDefaultDisplay();
mInitialDisplayWidth = mDisplay.getWidth();
mInitialDisplayHeight = mDisplay.getHeight();
- mQueue.setDisplay(mDisplay);
+ if (ENABLE_NATIVE_INPUT_DISPATCH) {
+ mInputManager.setDisplaySize(0,
+ mInitialDisplayWidth, mInitialDisplayHeight);
+ } else {
+ mQueue.setDisplay(mDisplay);
+ }
reportNewConfig = true;
}
@@ -1971,6 +1995,17 @@
if (res != WindowManagerImpl.ADD_OKAY) {
return res;
}
+
+ if (ENABLE_NATIVE_INPUT_DISPATCH) {
+ if (outInputChannel != null) {
+ String name = win.makeInputChannelName();
+ InputChannel[] inputChannels = InputChannel.openInputChannelPair(name);
+ win.mInputChannel = inputChannels[0];
+ inputChannels[1].transferToBinderOutParameter(outInputChannel);
+
+ mInputManager.registerInputChannel(win.mInputChannel);
+ }
+ }
// From now on, no exceptions or errors allowed!
@@ -4354,7 +4389,11 @@
"getSwitchState()")) {
throw new SecurityException("Requires READ_INPUT_STATE permission");
}
- return KeyInputQueue.getSwitchState(sw);
+ if (ENABLE_NATIVE_INPUT_DISPATCH) {
+ return mInputManager.getSwitchState(sw);
+ } else {
+ return KeyInputQueue.getSwitchState(sw);
+ }
}
public int getSwitchStateForDevice(int devid, int sw) {
@@ -4362,7 +4401,11 @@
"getSwitchStateForDevice()")) {
throw new SecurityException("Requires READ_INPUT_STATE permission");
}
- return KeyInputQueue.getSwitchState(devid, sw);
+ if (ENABLE_NATIVE_INPUT_DISPATCH) {
+ return mInputManager.getSwitchState(devid, sw);
+ } else {
+ return KeyInputQueue.getSwitchState(devid, sw);
+ }
}
public int getScancodeState(int sw) {
@@ -4370,7 +4413,11 @@
"getScancodeState()")) {
throw new SecurityException("Requires READ_INPUT_STATE permission");
}
- return mQueue.getScancodeState(sw);
+ if (ENABLE_NATIVE_INPUT_DISPATCH) {
+ return mInputManager.getScancodeState(sw);
+ } else {
+ return mQueue.getScancodeState(sw);
+ }
}
public int getScancodeStateForDevice(int devid, int sw) {
@@ -4378,7 +4425,11 @@
"getScancodeStateForDevice()")) {
throw new SecurityException("Requires READ_INPUT_STATE permission");
}
- return mQueue.getScancodeState(devid, sw);
+ if (ENABLE_NATIVE_INPUT_DISPATCH) {
+ return mInputManager.getScancodeState(devid, sw);
+ } else {
+ return mQueue.getScancodeState(devid, sw);
+ }
}
public int getTrackballScancodeState(int sw) {
@@ -4386,7 +4437,11 @@
"getTrackballScancodeState()")) {
throw new SecurityException("Requires READ_INPUT_STATE permission");
}
- return mQueue.getTrackballScancodeState(sw);
+ if (ENABLE_NATIVE_INPUT_DISPATCH) {
+ return mInputManager.getTrackballScancodeState(sw);
+ } else {
+ return mQueue.getTrackballScancodeState(sw);
+ }
}
public int getDPadScancodeState(int sw) {
@@ -4394,7 +4449,11 @@
"getDPadScancodeState()")) {
throw new SecurityException("Requires READ_INPUT_STATE permission");
}
- return mQueue.getDPadScancodeState(sw);
+ if (ENABLE_NATIVE_INPUT_DISPATCH) {
+ return mInputManager.getDPadScancodeState(sw);
+ } else {
+ return mQueue.getDPadScancodeState(sw);
+ }
}
public int getKeycodeState(int sw) {
@@ -4402,7 +4461,11 @@
"getKeycodeState()")) {
throw new SecurityException("Requires READ_INPUT_STATE permission");
}
- return mQueue.getKeycodeState(sw);
+ if (ENABLE_NATIVE_INPUT_DISPATCH) {
+ return mInputManager.getKeycodeState(sw);
+ } else {
+ return mQueue.getKeycodeState(sw);
+ }
}
public int getKeycodeStateForDevice(int devid, int sw) {
@@ -4410,7 +4473,11 @@
"getKeycodeStateForDevice()")) {
throw new SecurityException("Requires READ_INPUT_STATE permission");
}
- return mQueue.getKeycodeState(devid, sw);
+ if (ENABLE_NATIVE_INPUT_DISPATCH) {
+ return mInputManager.getKeycodeState(devid, sw);
+ } else {
+ return mQueue.getKeycodeState(devid, sw);
+ }
}
public int getTrackballKeycodeState(int sw) {
@@ -4418,7 +4485,11 @@
"getTrackballKeycodeState()")) {
throw new SecurityException("Requires READ_INPUT_STATE permission");
}
- return mQueue.getTrackballKeycodeState(sw);
+ if (ENABLE_NATIVE_INPUT_DISPATCH) {
+ return mInputManager.getTrackballKeycodeState(sw);
+ } else {
+ return mQueue.getTrackballKeycodeState(sw);
+ }
}
public int getDPadKeycodeState(int sw) {
@@ -4426,11 +4497,19 @@
"getDPadKeycodeState()")) {
throw new SecurityException("Requires READ_INPUT_STATE permission");
}
- return mQueue.getDPadKeycodeState(sw);
+ if (ENABLE_NATIVE_INPUT_DISPATCH) {
+ return mInputManager.getDPadKeycodeState(sw);
+ } else {
+ return mQueue.getDPadKeycodeState(sw);
+ }
}
public boolean hasKeys(int[] keycodes, boolean[] keyExists) {
- return KeyInputQueue.hasKeys(keycodes, keyExists);
+ if (ENABLE_NATIVE_INPUT_DISPATCH) {
+ return mInputManager.hasKeys(keycodes, keyExists);
+ } else {
+ return KeyInputQueue.hasKeys(keycodes, keyExists);
+ }
}
public void enableScreenAfterBoot() {
@@ -4575,7 +4654,11 @@
mLayoutNeeded = true;
startFreezingDisplayLocked();
Slog.i(TAG, "Setting rotation to " + rotation + ", animFlags=" + animFlags);
- mQueue.setOrientation(rotation);
+ if (ENABLE_NATIVE_INPUT_DISPATCH) {
+ mInputManager.setDisplayOrientation(0, rotation);
+ } else {
+ mQueue.setOrientation(rotation);
+ }
if (mDisplayEnabled) {
Surface.setOrientation(0, rotation, animFlags);
}
@@ -4906,7 +4989,11 @@
if (mDisplay == null) {
return false;
}
- mQueue.getInputConfiguration(config);
+ if (ENABLE_NATIVE_INPUT_DISPATCH) {
+ mInputManager.getInputConfiguration(config);
+ } else {
+ mQueue.getInputConfiguration(config);
+ }
// Use the effective "visual" dimensions based on current rotation
final boolean rotated = (mRotation == Surface.ROTATION_90
@@ -4989,6 +5076,291 @@
// -------------------------------------------------------------
// Input Events and Focus Management
// -------------------------------------------------------------
+
+ public void getKeyEventTargets(InputTargetList inputTargets,
+ KeyEvent event, int nature, int policyFlags) {
+ if (DEBUG_INPUT) Slog.v(TAG, "Dispatch key: " + event);
+
+ // TODO what do we do with mDisplayFrozen?
+ // TODO what do we do with focus.mToken.paused?
+
+ WindowState focus = getFocusedWindow();
+ wakeupIfNeeded(focus, LocalPowerManager.BUTTON_EVENT);
+
+ addInputTarget(inputTargets, focus, InputTarget.FLAG_SYNC);
+ }
+
+ // Target of Motion events
+ WindowState mTouchFocus;
+
+ // Windows above the target who would like to receive an "outside"
+ // touch event for any down events outside of them.
+ // (This is a linked list by way of WindowState.mNextOutsideTouch.)
+ WindowState mOutsideTouchTargets;
+
+ private void clearTouchFocus() {
+ mTouchFocus = null;
+ mOutsideTouchTargets = null;
+ }
+
+ public void getMotionEventTargets(InputTargetList inputTargets,
+ MotionEvent event, int nature, int policyFlags) {
+ if (nature == InputQueue.INPUT_EVENT_NATURE_TRACKBALL) {
+ // More or less the same as for keys...
+ WindowState focus = getFocusedWindow();
+ wakeupIfNeeded(focus, LocalPowerManager.BUTTON_EVENT);
+
+ addInputTarget(inputTargets, focus, InputTarget.FLAG_SYNC);
+ return;
+ }
+
+ int action = event.getAction();
+
+ // TODO detect cheek presses somewhere... either here or in native code
+
+ final boolean screenWasOff = (policyFlags & WindowManagerPolicy.FLAG_BRIGHT_HERE) != 0;
+
+ WindowState target = mTouchFocus;
+
+ if (action == MotionEvent.ACTION_UP) {
+ // let go of our target
+ mPowerManager.logPointerUpEvent();
+ clearTouchFocus();
+ } else if (action == MotionEvent.ACTION_DOWN) {
+ // acquire a new target
+ mPowerManager.logPointerDownEvent();
+
+ synchronized (mWindowMap) {
+ if (mTouchFocus != null) {
+ // this is weird, we got a pen down, but we thought it was
+ // already down!
+ // XXX: We should probably send an ACTION_UP to the current
+ // target.
+ Slog.w(TAG, "Pointer down received while already down in: "
+ + mTouchFocus);
+ clearTouchFocus();
+ }
+
+ // ACTION_DOWN is special, because we need to lock next events to
+ // the window we'll land onto.
+ final int x = (int) event.getX();
+ final int y = (int) event.getY();
+
+ final ArrayList windows = mWindows;
+ final int N = windows.size();
+ WindowState topErrWindow = null;
+ final Rect tmpRect = mTempRect;
+ for (int i=N-1; i>=0; i--) {
+ WindowState child = (WindowState)windows.get(i);
+ //Slog.i(TAG, "Checking dispatch to: " + child);
+ final int flags = child.mAttrs.flags;
+ if ((flags & WindowManager.LayoutParams.FLAG_SYSTEM_ERROR) != 0) {
+ if (topErrWindow == null) {
+ topErrWindow = child;
+ }
+ }
+ if (!child.isVisibleLw()) {
+ //Slog.i(TAG, "Not visible!");
+ continue;
+ }
+ if ((flags & WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE) != 0) {
+ //Slog.i(TAG, "Not touchable!");
+ if ((flags & WindowManager.LayoutParams
+ .FLAG_WATCH_OUTSIDE_TOUCH) != 0) {
+ child.mNextOutsideTouch = mOutsideTouchTargets;
+ mOutsideTouchTargets = child;
+ }
+ continue;
+ }
+ tmpRect.set(child.mFrame);
+ if (child.mTouchableInsets == ViewTreeObserver
+ .InternalInsetsInfo.TOUCHABLE_INSETS_CONTENT) {
+ // The touch is inside of the window if it is
+ // inside the frame, AND the content part of that
+ // frame that was given by the application.
+ tmpRect.left += child.mGivenContentInsets.left;
+ tmpRect.top += child.mGivenContentInsets.top;
+ tmpRect.right -= child.mGivenContentInsets.right;
+ tmpRect.bottom -= child.mGivenContentInsets.bottom;
+ } else if (child.mTouchableInsets == ViewTreeObserver
+ .InternalInsetsInfo.TOUCHABLE_INSETS_VISIBLE) {
+ // The touch is inside of the window if it is
+ // inside the frame, AND the visible part of that
+ // frame that was given by the application.
+ tmpRect.left += child.mGivenVisibleInsets.left;
+ tmpRect.top += child.mGivenVisibleInsets.top;
+ tmpRect.right -= child.mGivenVisibleInsets.right;
+ tmpRect.bottom -= child.mGivenVisibleInsets.bottom;
+ }
+ final int touchFlags = flags &
+ (WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
+ |WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL);
+ if (tmpRect.contains(x, y) || touchFlags == 0) {
+ //Slog.i(TAG, "Using this target!");
+ if (!screenWasOff || (flags &
+ WindowManager.LayoutParams.FLAG_TOUCHABLE_WHEN_WAKING) != 0) {
+ mTouchFocus = child;
+ } else {
+ //Slog.i(TAG, "Waking, skip!");
+ mTouchFocus = null;
+ }
+ break;
+ }
+
+ if ((flags & WindowManager.LayoutParams
+ .FLAG_WATCH_OUTSIDE_TOUCH) != 0) {
+ child.mNextOutsideTouch = mOutsideTouchTargets;
+ mOutsideTouchTargets = child;
+ //Slog.i(TAG, "Adding to outside target list: " + child);
+ }
+ }
+
+ // if there's an error window but it's not accepting
+ // focus (typically because it is not yet visible) just
+ // wait for it -- any other focused window may in fact
+ // be in ANR state.
+ if (topErrWindow != null && mTouchFocus != topErrWindow) {
+ mTouchFocus = null;
+ }
+ }
+
+ target = mTouchFocus;
+ }
+
+ if (target != null) {
+ wakeupIfNeeded(target, eventType(event));
+ }
+
+ int targetFlags = 0;
+ if (target == null) {
+ // In this case we are either dropping the event, or have received
+ // a move or up without a down. It is common to receive move
+ // events in such a way, since this means the user is moving the
+ // pointer without actually pressing down. All other cases should
+ // be atypical, so let's log them.
+ if (action != MotionEvent.ACTION_MOVE) {
+ Slog.w(TAG, "No window to dispatch pointer action " + action);
+ }
+ } else {
+ if ((target.mAttrs.flags &
+ WindowManager.LayoutParams.FLAG_IGNORE_CHEEK_PRESSES) != 0) {
+ //target wants to ignore fat touch events
+ boolean cheekPress = mPolicy.isCheekPressedAgainstScreen(event);
+ //explicit flag to return without processing event further
+ boolean returnFlag = false;
+ if((action == MotionEvent.ACTION_DOWN)) {
+ mFatTouch = false;
+ if(cheekPress) {
+ mFatTouch = true;
+ returnFlag = true;
+ }
+ } else {
+ if(action == MotionEvent.ACTION_UP) {
+ if(mFatTouch) {
+ //earlier even was invalid doesnt matter if current up is cheekpress or not
+ mFatTouch = false;
+ returnFlag = true;
+ } else if(cheekPress) {
+ //cancel the earlier event
+ targetFlags |= InputTarget.FLAG_CANCEL;
+ action = MotionEvent.ACTION_CANCEL;
+ }
+ } else if(action == MotionEvent.ACTION_MOVE) {
+ if(mFatTouch) {
+ //two cases here
+ //an invalid down followed by 0 or moves(valid or invalid)
+ //a valid down, invalid move, more moves. want to ignore till up
+ returnFlag = true;
+ } else if(cheekPress) {
+ //valid down followed by invalid moves
+ //an invalid move have to cancel earlier action
+ targetFlags |= InputTarget.FLAG_CANCEL;
+ action = MotionEvent.ACTION_CANCEL;
+ if (DEBUG_INPUT) Slog.v(TAG, "Sending cancel for invalid ACTION_MOVE");
+ //note that the subsequent invalid moves will not get here
+ mFatTouch = true;
+ }
+ }
+ } //else if action
+ if(returnFlag) {
+ return;
+ }
+ } //end if target
+ }
+
+ synchronized (mWindowMap) {
+ if (target != null && ! target.isVisibleLw()) {
+ target = null;
+ }
+
+ if (action == MotionEvent.ACTION_DOWN) {
+ while (mOutsideTouchTargets != null) {
+ addInputTarget(inputTargets, mOutsideTouchTargets,
+ InputTarget.FLAG_OUTSIDE | targetFlags);
+ mOutsideTouchTargets = mOutsideTouchTargets.mNextOutsideTouch;
+ }
+ }
+
+ // If we sent an initial down to the wallpaper, then continue
+ // sending events until the final up.
+ // Alternately if we are on top of the wallpaper, then the wallpaper also
+ // gets to see this movement.
+ if (mSendingPointersToWallpaper ||
+ (target != null && action == MotionEvent.ACTION_DOWN
+ && mWallpaperTarget == target
+ && target.mAttrs.type != WindowManager.LayoutParams.TYPE_KEYGUARD)) {
+ int curTokenIndex = mWallpaperTokens.size();
+ while (curTokenIndex > 0) {
+ curTokenIndex--;
+ WindowToken token = mWallpaperTokens.get(curTokenIndex);
+ int curWallpaperIndex = token.windows.size();
+ while (curWallpaperIndex > 0) {
+ curWallpaperIndex--;
+ WindowState wallpaper = token.windows.get(curWallpaperIndex);
+ if ((wallpaper.mAttrs.flags &
+ WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE) != 0) {
+ continue;
+ }
+
+ switch (action) {
+ case MotionEvent.ACTION_DOWN:
+ mSendingPointersToWallpaper = true;
+ break;
+ case MotionEvent.ACTION_UP:
+ mSendingPointersToWallpaper = false;
+ break;
+ }
+
+ addInputTarget(inputTargets, wallpaper, targetFlags);
+ }
+ }
+ }
+
+ if (target != null) {
+ addInputTarget(inputTargets, target, InputTarget.FLAG_SYNC | targetFlags);
+ }
+ }
+ }
+
+ private void addInputTarget(InputTargetList inputTargets, WindowState window, int flags) {
+ if (window.mInputChannel == null) {
+ return;
+ }
+
+ long timeoutNanos = -1;
+ IApplicationToken appToken = window.getAppToken();
+
+ if (appToken != null) {
+ try {
+ timeoutNanos = appToken.getKeyDispatchingTimeout() * 1000000;
+ } catch (RemoteException ex) {
+ Slog.w(TAG, "Could not get key dispatching timeout.", ex);
+ }
+ }
+
+ inputTargets.add(window.mInputChannel, flags, timeoutNanos,
+ - window.mFrame.left, - window.mFrame.top);
+ }
private final void wakeupIfNeeded(WindowState targetWin, int eventType) {
long curTime = SystemClock.uptimeMillis();
@@ -5499,10 +5871,18 @@
final int pid = Binder.getCallingPid();
final int uid = Binder.getCallingUid();
final long ident = Binder.clearCallingIdentity();
- final int result = dispatchKey(newEvent, pid, uid);
- if (sync) {
- mKeyWaiter.waitForNextEventTarget(null, null, null, false, true, pid, uid);
+
+ final int result;
+ if (ENABLE_NATIVE_INPUT_DISPATCH) {
+ result = mInputManager.injectKeyEvent(newEvent,
+ InputQueue.INPUT_EVENT_NATURE_KEY, sync, pid, uid);
+ } else {
+ result = dispatchKey(newEvent, pid, uid);
+ if (sync) {
+ mKeyWaiter.waitForNextEventTarget(null, null, null, false, true, pid, uid);
+ }
}
+
Binder.restoreCallingIdentity(ident);
switch (result) {
case INJECT_NO_PERMISSION:
@@ -5527,10 +5907,18 @@
final int pid = Binder.getCallingPid();
final int uid = Binder.getCallingUid();
final long ident = Binder.clearCallingIdentity();
- final int result = dispatchPointer(null, ev, pid, uid);
- if (sync) {
- mKeyWaiter.waitForNextEventTarget(null, null, null, false, true, pid, uid);
+
+ final int result;
+ if (ENABLE_NATIVE_INPUT_DISPATCH) {
+ result = mInputManager.injectMotionEvent(ev,
+ InputQueue.INPUT_EVENT_NATURE_TOUCH, sync, pid, uid);
+ } else {
+ result = dispatchPointer(null, ev, pid, uid);
+ if (sync) {
+ mKeyWaiter.waitForNextEventTarget(null, null, null, false, true, pid, uid);
+ }
}
+
Binder.restoreCallingIdentity(ident);
switch (result) {
case INJECT_NO_PERMISSION:
@@ -5555,10 +5943,18 @@
final int pid = Binder.getCallingPid();
final int uid = Binder.getCallingUid();
final long ident = Binder.clearCallingIdentity();
- final int result = dispatchTrackball(null, ev, pid, uid);
- if (sync) {
- mKeyWaiter.waitForNextEventTarget(null, null, null, false, true, pid, uid);
+
+ final int result;
+ if (ENABLE_NATIVE_INPUT_DISPATCH) {
+ result = mInputManager.injectMotionEvent(ev,
+ InputQueue.INPUT_EVENT_NATURE_TRACKBALL, sync, pid, uid);
+ } else {
+ result = dispatchTrackball(null, ev, pid, uid);
+ if (sync) {
+ mKeyWaiter.waitForNextEventTarget(null, null, null, false, true, pid, uid);
+ }
}
+
Binder.restoreCallingIdentity(ident);
switch (result) {
case INJECT_NO_PERMISSION:
@@ -6326,14 +6722,8 @@
private class KeyQ extends KeyInputQueue
implements KeyInputQueue.FilterCallback {
- PowerManager.WakeLock mHoldingScreen;
-
KeyQ() {
super(mContext, WindowManagerService.this);
- PowerManager pm = (PowerManager)mContext.getSystemService(Context.POWER_SERVICE);
- mHoldingScreen = pm.newWakeLock(PowerManager.SCREEN_BRIGHT_WAKE_LOCK,
- "KEEP_SCREEN_ON_FLAG");
- mHoldingScreen.setReferenceCounted(false);
}
@Override
@@ -6445,21 +6835,6 @@
return FILTER_KEEP;
}
}
-
- /**
- * Must be called with the main window manager lock held.
- */
- void setHoldScreenLocked(boolean holding) {
- boolean state = mHoldingScreen.isHeld();
- if (holding != state) {
- if (holding) {
- mHoldingScreen.acquire();
- } else {
- mPolicy.screenOnStoppedLw();
- mHoldingScreen.release();
- }
- }
- }
}
public boolean detectSafeMode() {
@@ -6788,8 +7163,14 @@
}
public int add(IWindow window, WindowManager.LayoutParams attrs,
+ int viewVisibility, Rect outContentInsets, InputChannel outInputChannel) {
+ return addWindow(this, window, attrs, viewVisibility, outContentInsets,
+ outInputChannel);
+ }
+
+ public int addWithoutInputChannel(IWindow window, WindowManager.LayoutParams attrs,
int viewVisibility, Rect outContentInsets) {
- return addWindow(this, window, attrs, viewVisibility, outContentInsets);
+ return addWindow(this, window, attrs, viewVisibility, outContentInsets, null);
}
public void remove(IWindow window) {
@@ -7158,6 +7539,9 @@
int mSurfaceLayer;
float mSurfaceAlpha;
+ // Input channel
+ InputChannel mInputChannel;
+
WindowState(Session s, IWindow c, WindowToken token,
WindowState attachedWindow, WindowManager.LayoutParams a,
int viewVisibility) {
@@ -8182,6 +8566,15 @@
// Ignore if it has already been removed (usually because
// we are doing this as part of processing a death note.)
}
+
+ if (ENABLE_NATIVE_INPUT_DISPATCH) {
+ if (mInputChannel != null) {
+ mInputManager.unregisterInputChannel(mInputChannel);
+
+ mInputChannel.dispose();
+ mInputChannel = null;
+ }
+ }
}
private class DeathRecipient implements IBinder.DeathRecipient {
@@ -8424,6 +8817,11 @@
pw.print(" mWallpaperYStep="); pw.println(mWallpaperYStep);
}
}
+
+ String makeInputChannelName() {
+ return Integer.toHexString(System.identityHashCode(this))
+ + " " + mAttrs.getTitle();
+ }
@Override
public String toString() {
@@ -9275,7 +9673,8 @@
IInputContext inputContext) {
if (client == null) throw new IllegalArgumentException("null client");
if (inputContext == null) throw new IllegalArgumentException("null inputContext");
- return new Session(client, inputContext);
+ Session session = new Session(client, inputContext);
+ return session;
}
public boolean inputMethodClientHasFocus(IInputMethodClient client) {
@@ -10773,7 +11172,7 @@
if (DEBUG_FREEZE) Slog.v(TAG, "Layout: mDisplayFrozen=" + mDisplayFrozen
+ " holdScreen=" + holdScreen);
if (!mDisplayFrozen) {
- mQueue.setHoldScreenLocked(holdScreen != null);
+ setHoldScreenLocked(holdScreen != null);
if (screenBrightness < 0 || screenBrightness > 1.0f) {
mPowerManager.setScreenBrightnessOverride(-1);
} else {
@@ -10804,6 +11203,21 @@
// be enabled, because the window obscured flags have changed.
enableScreenIfNeededLocked();
}
+
+ /**
+ * Must be called with the main window manager lock held.
+ */
+ void setHoldScreenLocked(boolean holding) {
+ boolean state = mHoldingScreenWakeLock.isHeld();
+ if (holding != state) {
+ if (holding) {
+ mHoldingScreenWakeLock.acquire();
+ } else {
+ mPolicy.screenOnStoppedLw();
+ mHoldingScreenWakeLock.release();
+ }
+ }
+ }
void requestAnimationLocked(long delay) {
if (!mAnimationPending) {
@@ -11138,8 +11552,13 @@
return;
}
- pw.println("Input State:");
- mQueue.dump(pw, " ");
+ if (ENABLE_NATIVE_INPUT_DISPATCH) {
+ pw.println("Input Dispatcher State:");
+ mInputManager.dump(pw);
+ } else {
+ pw.println("Input State:");
+ mQueue.dump(pw, " ");
+ }
pw.println(" ");
synchronized(mWindowMap) {
diff --git a/services/jni/Android.mk b/services/jni/Android.mk
index b90e327..499ca86 100644
--- a/services/jni/Android.mk
+++ b/services/jni/Android.mk
@@ -5,6 +5,7 @@
com_android_server_AlarmManagerService.cpp \
com_android_server_BatteryService.cpp \
com_android_server_KeyInputQueue.cpp \
+ com_android_server_InputManager.cpp \
com_android_server_LightsService.cpp \
com_android_server_SensorService.cpp \
com_android_server_SystemServer.cpp \
@@ -16,6 +17,7 @@
$(JNI_H_INCLUDE)
LOCAL_SHARED_LIBRARIES := \
+ libandroid_runtime \
libcutils \
libhardware \
libhardware_legacy \
diff --git a/services/jni/com_android_server_InputManager.cpp b/services/jni/com_android_server_InputManager.cpp
new file mode 100644
index 0000000..53262ae
--- /dev/null
+++ b/services/jni/com_android_server_InputManager.cpp
@@ -0,0 +1,746 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "InputManager-JNI"
+
+#include "JNIHelp.h"
+#include "jni.h"
+#include <android_runtime/AndroidRuntime.h>
+#include <ui/InputManager.h>
+#include <ui/InputTransport.h>
+#include <utils/Log.h>
+#include <utils/threads.h>
+#include "../../core/jni/android_view_KeyEvent.h"
+#include "../../core/jni/android_view_MotionEvent.h"
+#include "../../core/jni/android_view_InputChannel.h"
+#include "../../core/jni/android_view_InputTarget.h"
+
+namespace android {
+
+class InputDispatchPolicy : public InputDispatchPolicyInterface {
+public:
+ InputDispatchPolicy(JNIEnv* env, jobject callbacks);
+ virtual ~InputDispatchPolicy();
+
+ void setDisplaySize(int32_t displayId, int32_t width, int32_t height);
+ void setDisplayOrientation(int32_t displayId, int32_t orientation);
+
+ virtual bool getDisplayInfo(int32_t displayId,
+ int32_t* width, int32_t* height, int32_t* orientation);
+
+ virtual void notifyConfigurationChanged(nsecs_t when,
+ int32_t touchScreenConfig, int32_t keyboardConfig, int32_t navigationConfig);
+
+ virtual void notifyLidSwitchChanged(nsecs_t when, bool lidOpen);
+
+ virtual void virtualKeyFeedback(nsecs_t when, int32_t deviceId,
+ int32_t action, int32_t flags, int32_t keyCode,
+ int32_t scanCode, int32_t metaState, nsecs_t downTime);
+
+ virtual int32_t interceptKey(nsecs_t when, int32_t deviceId,
+ bool down, int32_t keyCode, int32_t scanCode, uint32_t policyFlags);
+ virtual int32_t interceptTrackball(nsecs_t when, bool buttonChanged, bool buttonDown,
+ bool rolled);
+ virtual int32_t interceptTouch(nsecs_t when);
+
+ virtual bool filterTouchEvents();
+ virtual bool filterJumpyTouchEvents();
+ virtual void getVirtualKeyDefinitions(const String8& deviceName,
+ Vector<VirtualKeyDefinition>& outVirtualKeyDefinitions);
+ virtual void getExcludedDeviceNames(Vector<String8>& outExcludedDeviceNames);
+
+ virtual bool allowKeyRepeat();
+ virtual nsecs_t getKeyRepeatTimeout();
+
+ virtual void getKeyEventTargets(KeyEvent* keyEvent, uint32_t policyFlags,
+ Vector<InputTarget>& outTargets);
+ virtual void getMotionEventTargets(MotionEvent* motionEvent, uint32_t policyFlags,
+ Vector<InputTarget>& outTargets);
+
+private:
+ bool isScreenOn();
+ bool isScreenBright();
+
+private:
+ jobject mCallbacks;
+
+ int32_t mFilterTouchEvents;
+ int32_t mFilterJumpyTouchEvents;
+
+ Mutex mDisplayLock;
+ int32_t mDisplayWidth, mDisplayHeight;
+ int32_t mDisplayOrientation;
+
+ inline JNIEnv* threadEnv() const {
+ return AndroidRuntime::getJNIEnv();
+ }
+};
+
+
+// globals
+
+static sp<EventHub> gEventHub;
+static sp<InputDispatchPolicy> gInputDispatchPolicy;
+static sp<InputManager> gInputManager;
+
+// JNI
+
+static struct {
+ jclass clazz;
+
+ jmethodID isScreenOn;
+ jmethodID isScreenBright;
+ jmethodID notifyConfigurationChanged;
+ jmethodID notifyLidSwitchChanged;
+ jmethodID virtualKeyFeedback;
+ jmethodID hackInterceptKey;
+ jmethodID goToSleep;
+ jmethodID pokeUserActivityForKey;
+ jmethodID notifyAppSwitchComing;
+ jmethodID filterTouchEvents;
+ jmethodID filterJumpyTouchEvents;
+ jmethodID getVirtualKeyDefinitions;
+ jmethodID getExcludedDeviceNames;
+ jmethodID getKeyEventTargets;
+ jmethodID getMotionEventTargets;
+} gCallbacksClassInfo;
+
+static struct {
+ jclass clazz;
+
+ jfieldID scanCode;
+ jfieldID centerX;
+ jfieldID centerY;
+ jfieldID width;
+ jfieldID height;
+} gVirtualKeyDefinitionClassInfo;
+
+static bool checkInputManagerUnitialized(JNIEnv* env) {
+ if (gInputManager == NULL) {
+ LOGE("Input manager not initialized.");
+ jniThrowRuntimeException(env, "Input manager not initialized.");
+ return true;
+ }
+ return false;
+}
+
+static void android_server_InputManager_nativeInit(JNIEnv* env, jclass clazz,
+ jobject callbacks) {
+ if (gEventHub == NULL) {
+ gEventHub = new EventHub();
+ }
+
+ if (gInputDispatchPolicy == NULL) {
+ gInputDispatchPolicy = new InputDispatchPolicy(env, callbacks);
+ }
+
+ if (gInputManager == NULL) {
+ gInputManager = new InputManager(gEventHub, gInputDispatchPolicy);
+ }
+}
+
+static void android_server_InputManager_nativeStart(JNIEnv* env, jclass clazz) {
+ if (checkInputManagerUnitialized(env)) {
+ return;
+ }
+
+ status_t result = gInputManager->start();
+ if (result) {
+ jniThrowRuntimeException(env, "Input manager could not be started.");
+ }
+}
+
+static void android_server_InputManager_nativeSetDisplaySize(JNIEnv* env, jclass clazz,
+ jint displayId, jint width, jint height) {
+ if (checkInputManagerUnitialized(env)) {
+ return;
+ }
+
+ // XXX we could get this from the SurfaceFlinger directly instead of requiring it
+ // to be passed in like this, not sure which is better but leaving it like this
+ // keeps the window manager in direct control of when display transitions propagate down
+ // to the input dispatcher
+ gInputDispatchPolicy->setDisplaySize(displayId, width, height);
+}
+
+static void android_server_InputManager_nativeSetDisplayOrientation(JNIEnv* env, jclass clazz,
+ jint displayId, jint orientation) {
+ if (checkInputManagerUnitialized(env)) {
+ return;
+ }
+
+ gInputDispatchPolicy->setDisplayOrientation(displayId, orientation);
+}
+
+static jint android_server_InputManager_nativeGetScanCodeState(JNIEnv* env, jclass clazz,
+ jint deviceId, jint deviceClasses, jint scanCode) {
+ if (checkInputManagerUnitialized(env)) {
+ return KEY_STATE_UNKNOWN;
+ }
+
+ return gInputManager->getScanCodeState(deviceId, deviceClasses, scanCode);
+}
+
+static jint android_server_InputManager_nativeGetKeyCodeState(JNIEnv* env, jclass clazz,
+ jint deviceId, jint deviceClasses, jint keyCode) {
+ if (checkInputManagerUnitialized(env)) {
+ return KEY_STATE_UNKNOWN;
+ }
+
+ return gInputManager->getKeyCodeState(deviceId, deviceClasses, keyCode);
+}
+
+static jint android_server_InputManager_nativeGetSwitchState(JNIEnv* env, jclass clazz,
+ jint deviceId, jint deviceClasses, jint sw) {
+ if (checkInputManagerUnitialized(env)) {
+ return KEY_STATE_UNKNOWN;
+ }
+
+ return gInputManager->getSwitchState(deviceId, deviceClasses, sw);
+}
+
+static jboolean android_server_InputManager_nativeHasKeys(JNIEnv* env, jclass clazz,
+ jintArray keyCodes, jbooleanArray outFlags) {
+ if (checkInputManagerUnitialized(env)) {
+ return JNI_FALSE;
+ }
+
+ int32_t* codes = env->GetIntArrayElements(keyCodes, NULL);
+ uint8_t* flags = env->GetBooleanArrayElements(outFlags, NULL);
+ jsize numCodes = env->GetArrayLength(keyCodes);
+ jboolean result;
+ if (numCodes == env->GetArrayLength(outFlags)) {
+ result = gInputManager->hasKeys(numCodes, codes, flags);
+ } else {
+ result = JNI_FALSE;
+ }
+
+ env->ReleaseBooleanArrayElements(outFlags, flags, 0);
+ env->ReleaseIntArrayElements(keyCodes, codes, 0);
+ return result;
+}
+
+static void throwInputChannelNotInitialized(JNIEnv* env) {
+ jniThrowException(env, "java/lang/IllegalStateException",
+ "inputChannel is not initialized");
+}
+
+static void android_server_InputManager_handleInputChannelDisposed(JNIEnv* env,
+ jobject inputChannelObj, const sp<InputChannel>& inputChannel, void* data) {
+ LOGW("Input channel object '%s' was disposed without first being unregistered with "
+ "the input manager!", inputChannel->getName().string());
+
+ gInputManager->unregisterInputChannel(inputChannel);
+}
+
+static void android_server_InputManager_nativeRegisterInputChannel(JNIEnv* env, jclass clazz,
+ jobject inputChannelObj) {
+ if (checkInputManagerUnitialized(env)) {
+ return;
+ }
+
+ sp<InputChannel> inputChannel = android_view_InputChannel_getInputChannel(env,
+ inputChannelObj);
+ if (inputChannel == NULL) {
+ throwInputChannelNotInitialized(env);
+ return;
+ }
+
+ status_t status = gInputManager->registerInputChannel(inputChannel);
+ if (status) {
+ jniThrowRuntimeException(env, "Failed to register input channel. "
+ "Check logs for details.");
+ return;
+ }
+
+ android_view_InputChannel_setDisposeCallback(env, inputChannelObj,
+ android_server_InputManager_handleInputChannelDisposed, NULL);
+}
+
+static void android_server_InputManager_nativeUnregisterInputChannel(JNIEnv* env, jclass clazz,
+ jobject inputChannelObj) {
+ if (checkInputManagerUnitialized(env)) {
+ return;
+ }
+
+ sp<InputChannel> inputChannel = android_view_InputChannel_getInputChannel(env,
+ inputChannelObj);
+ if (inputChannel == NULL) {
+ throwInputChannelNotInitialized(env);
+ return;
+ }
+
+ android_view_InputChannel_setDisposeCallback(env, inputChannelObj, NULL, NULL);
+
+ status_t status = gInputManager->unregisterInputChannel(inputChannel);
+ if (status) {
+ jniThrowRuntimeException(env, "Failed to unregister input channel. "
+ "Check logs for details.");
+ }
+}
+
+static JNINativeMethod gInputManagerMethods[] = {
+ /* name, signature, funcPtr */
+ { "nativeInit", "(Lcom/android/server/InputManager$Callbacks;)V",
+ (void*) android_server_InputManager_nativeInit },
+ { "nativeStart", "()V",
+ (void*) android_server_InputManager_nativeStart },
+ { "nativeSetDisplaySize", "(III)V",
+ (void*) android_server_InputManager_nativeSetDisplaySize },
+ { "nativeSetDisplayOrientation", "(II)V",
+ (void*) android_server_InputManager_nativeSetDisplayOrientation },
+ { "nativeGetScanCodeState", "(III)I",
+ (void*) android_server_InputManager_nativeGetScanCodeState },
+ { "nativeGetKeyCodeState", "(III)I",
+ (void*) android_server_InputManager_nativeGetKeyCodeState },
+ { "nativeGetSwitchState", "(III)I",
+ (void*) android_server_InputManager_nativeGetSwitchState },
+ { "nativeHasKeys", "([I[Z)Z",
+ (void*) android_server_InputManager_nativeHasKeys },
+ { "nativeRegisterInputChannel", "(Landroid/view/InputChannel;)V",
+ (void*) android_server_InputManager_nativeRegisterInputChannel },
+ { "nativeUnregisterInputChannel", "(Landroid/view/InputChannel;)V",
+ (void*) android_server_InputManager_nativeUnregisterInputChannel }
+};
+
+#define FIND_CLASS(var, className) \
+ var = env->FindClass(className); \
+ LOG_FATAL_IF(! var, "Unable to find class " className); \
+ var = jclass(env->NewGlobalRef(var));
+
+#define GET_METHOD_ID(var, clazz, methodName, methodDescriptor) \
+ var = env->GetMethodID(clazz, methodName, methodDescriptor); \
+ LOG_FATAL_IF(! var, "Unable to find method " methodName);
+
+#define GET_FIELD_ID(var, clazz, fieldName, fieldDescriptor) \
+ var = env->GetFieldID(clazz, fieldName, fieldDescriptor); \
+ LOG_FATAL_IF(! var, "Unable to find field " fieldName);
+
+int register_android_server_InputManager(JNIEnv* env) {
+ int res = jniRegisterNativeMethods(env, "com/android/server/InputManager",
+ gInputManagerMethods, NELEM(gInputManagerMethods));
+ LOG_FATAL_IF(res < 0, "Unable to register native methods.");
+
+ // Policy
+
+ FIND_CLASS(gCallbacksClassInfo.clazz, "com/android/server/InputManager$Callbacks");
+
+ GET_METHOD_ID(gCallbacksClassInfo.isScreenOn, gCallbacksClassInfo.clazz,
+ "isScreenOn", "()Z");
+
+ GET_METHOD_ID(gCallbacksClassInfo.isScreenBright, gCallbacksClassInfo.clazz,
+ "isScreenBright", "()Z");
+
+ GET_METHOD_ID(gCallbacksClassInfo.notifyConfigurationChanged, gCallbacksClassInfo.clazz,
+ "notifyConfigurationChanged", "(JIII)V");
+
+ GET_METHOD_ID(gCallbacksClassInfo.notifyLidSwitchChanged, gCallbacksClassInfo.clazz,
+ "notifyLidSwitchChanged", "(JZ)V");
+
+ GET_METHOD_ID(gCallbacksClassInfo.virtualKeyFeedback, gCallbacksClassInfo.clazz,
+ "virtualKeyFeedback", "(JIIIIIIJ)V");
+
+ GET_METHOD_ID(gCallbacksClassInfo.hackInterceptKey, gCallbacksClassInfo.clazz,
+ "hackInterceptKey", "(IIIIIIJZ)I");
+
+ GET_METHOD_ID(gCallbacksClassInfo.goToSleep, gCallbacksClassInfo.clazz,
+ "goToSleep", "(J)V");
+
+ GET_METHOD_ID(gCallbacksClassInfo.pokeUserActivityForKey, gCallbacksClassInfo.clazz,
+ "pokeUserActivityForKey", "(J)V");
+
+ GET_METHOD_ID(gCallbacksClassInfo.notifyAppSwitchComing, gCallbacksClassInfo.clazz,
+ "notifyAppSwitchComing", "()V");
+
+ GET_METHOD_ID(gCallbacksClassInfo.filterTouchEvents, gCallbacksClassInfo.clazz,
+ "filterTouchEvents", "()Z");
+
+ GET_METHOD_ID(gCallbacksClassInfo.filterJumpyTouchEvents, gCallbacksClassInfo.clazz,
+ "filterJumpyTouchEvents", "()Z");
+
+ GET_METHOD_ID(gCallbacksClassInfo.getVirtualKeyDefinitions, gCallbacksClassInfo.clazz,
+ "getVirtualKeyDefinitions",
+ "(Ljava/lang/String;)[Lcom/android/server/InputManager$VirtualKeyDefinition;");
+
+ GET_METHOD_ID(gCallbacksClassInfo.getExcludedDeviceNames, gCallbacksClassInfo.clazz,
+ "getExcludedDeviceNames", "()[Ljava/lang/String;");
+
+ GET_METHOD_ID(gCallbacksClassInfo.getKeyEventTargets, gCallbacksClassInfo.clazz,
+ "getKeyEventTargets", "(Landroid/view/KeyEvent;II)[Landroid/view/InputTarget;");
+
+ GET_METHOD_ID(gCallbacksClassInfo.getMotionEventTargets, gCallbacksClassInfo.clazz,
+ "getMotionEventTargets", "(Landroid/view/MotionEvent;II)[Landroid/view/InputTarget;");
+
+ // VirtualKeyDefinition
+
+ FIND_CLASS(gVirtualKeyDefinitionClassInfo.clazz,
+ "com/android/server/InputManager$VirtualKeyDefinition");
+
+ GET_FIELD_ID(gVirtualKeyDefinitionClassInfo.scanCode, gVirtualKeyDefinitionClassInfo.clazz,
+ "scanCode", "I");
+
+ GET_FIELD_ID(gVirtualKeyDefinitionClassInfo.centerX, gVirtualKeyDefinitionClassInfo.clazz,
+ "centerX", "I");
+
+ GET_FIELD_ID(gVirtualKeyDefinitionClassInfo.centerY, gVirtualKeyDefinitionClassInfo.clazz,
+ "centerY", "I");
+
+ GET_FIELD_ID(gVirtualKeyDefinitionClassInfo.width, gVirtualKeyDefinitionClassInfo.clazz,
+ "width", "I");
+
+ GET_FIELD_ID(gVirtualKeyDefinitionClassInfo.height, gVirtualKeyDefinitionClassInfo.clazz,
+ "height", "I");
+
+ return 0;
+}
+
+// static functions
+
+static bool isAppSwitchKey(int32_t keyCode) {
+ return keyCode == KEYCODE_HOME || keyCode == KEYCODE_ENDCALL;
+}
+
+static bool checkException(JNIEnv* env, const char* methodName) {
+ if (env->ExceptionCheck()) {
+ LOGE("An exception was thrown by an InputDispatchPolicy callback '%s'.", methodName);
+ LOGE_EX(env);
+ env->ExceptionClear();
+ return true;
+ }
+ return false;
+}
+
+
+// InputDispatchPolicy implementation
+
+InputDispatchPolicy::InputDispatchPolicy(JNIEnv* env, jobject callbacks) :
+ mFilterTouchEvents(-1), mFilterJumpyTouchEvents(-1),
+ mDisplayWidth(-1), mDisplayHeight(-1), mDisplayOrientation(-1) {
+ mCallbacks = env->NewGlobalRef(callbacks);
+}
+
+InputDispatchPolicy::~InputDispatchPolicy() {
+ JNIEnv* env = threadEnv();
+
+ env->DeleteGlobalRef(mCallbacks);
+}
+
+void InputDispatchPolicy::setDisplaySize(int32_t displayId, int32_t width, int32_t height) {
+ if (displayId == 0) {
+ AutoMutex _l(mDisplayLock);
+
+ mDisplayWidth = width;
+ mDisplayHeight = height;
+ }
+}
+
+void InputDispatchPolicy::setDisplayOrientation(int32_t displayId, int32_t orientation) {
+ if (displayId == 0) {
+ AutoMutex _l(mDisplayLock);
+
+ mDisplayOrientation = orientation;
+ }
+}
+
+bool InputDispatchPolicy::getDisplayInfo(int32_t displayId,
+ int32_t* width, int32_t* height, int32_t* orientation) {
+ bool result = false;
+ if (displayId == 0) {
+ AutoMutex _l(mDisplayLock);
+
+ if (mDisplayWidth > 0) {
+ *width = mDisplayWidth;
+ *height = mDisplayHeight;
+ *orientation = mDisplayOrientation;
+ result = true;
+ }
+ }
+ return result;
+}
+
+bool InputDispatchPolicy::isScreenOn() {
+ JNIEnv* env = threadEnv();
+
+ jboolean result = env->CallBooleanMethod(mCallbacks, gCallbacksClassInfo.isScreenOn);
+ if (checkException(env, "isScreenOn")) {
+ return true;
+ }
+ return result;
+}
+
+bool InputDispatchPolicy::isScreenBright() {
+ JNIEnv* env = threadEnv();
+
+ jboolean result = env->CallBooleanMethod(mCallbacks, gCallbacksClassInfo.isScreenBright);
+ if (checkException(env, "isScreenBright")) {
+ return true;
+ }
+ return result;
+}
+
+void InputDispatchPolicy::notifyConfigurationChanged(nsecs_t when,
+ int32_t touchScreenConfig, int32_t keyboardConfig, int32_t navigationConfig) {
+ JNIEnv* env = threadEnv();
+
+ env->CallVoidMethod(mCallbacks, gCallbacksClassInfo.notifyConfigurationChanged,
+ when, touchScreenConfig, keyboardConfig, navigationConfig);
+ checkException(env, "notifyConfigurationChanged");
+}
+
+void InputDispatchPolicy::notifyLidSwitchChanged(nsecs_t when, bool lidOpen) {
+ JNIEnv* env = threadEnv();
+ env->CallVoidMethod(mCallbacks, gCallbacksClassInfo.notifyLidSwitchChanged,
+ when, lidOpen);
+ checkException(env, "notifyLidSwitchChanged");
+}
+
+void InputDispatchPolicy::virtualKeyFeedback(nsecs_t when, int32_t deviceId,
+ int32_t action, int32_t flags, int32_t keyCode,
+ int32_t scanCode, int32_t metaState, nsecs_t downTime) {
+ JNIEnv* env = threadEnv();
+
+ env->CallVoidMethod(mCallbacks, gCallbacksClassInfo.virtualKeyFeedback,
+ when, deviceId, action, flags, keyCode, scanCode, metaState, downTime);
+ checkException(env, "virtualKeyFeedback");
+}
+
+int32_t InputDispatchPolicy::interceptKey(nsecs_t when,
+ int32_t deviceId, bool down, int32_t keyCode, int32_t scanCode, uint32_t policyFlags) {
+ const int32_t WM_ACTION_PASS_TO_USER = 1;
+ const int32_t WM_ACTION_POKE_USER_ACTIVITY = 2;
+ const int32_t WM_ACTION_GO_TO_SLEEP = 4;
+
+ JNIEnv* env = threadEnv();
+
+ bool isScreenOn = this->isScreenOn();
+ bool isScreenBright = this->isScreenBright();
+
+ jint wmActions = env->CallIntMethod(mCallbacks, gCallbacksClassInfo.hackInterceptKey,
+ deviceId, EV_KEY, scanCode, keyCode, policyFlags, down ? 1 : 0, when, isScreenOn);
+ if (checkException(env, "hackInterceptKey")) {
+ wmActions = 0;
+ }
+
+ int32_t actions = ACTION_NONE;
+ if (! isScreenOn) {
+ // Key presses and releases wake the device.
+ actions |= ACTION_WOKE_HERE;
+ }
+
+ if (! isScreenBright) {
+ // Key presses and releases brighten the screen if dimmed.
+ actions |= ACTION_BRIGHT_HERE;
+ }
+
+ if (wmActions & WM_ACTION_GO_TO_SLEEP) {
+ env->CallVoidMethod(mCallbacks, gCallbacksClassInfo.goToSleep, when);
+ checkException(env, "goToSleep");
+ }
+
+ if (wmActions & WM_ACTION_POKE_USER_ACTIVITY) {
+ env->CallVoidMethod(mCallbacks, gCallbacksClassInfo.pokeUserActivityForKey, when);
+ checkException(env, "pokeUserActivityForKey");
+ }
+
+ if (wmActions & WM_ACTION_PASS_TO_USER) {
+ actions |= ACTION_DISPATCH;
+ }
+
+ if (! (wmActions & WM_ACTION_PASS_TO_USER)) {
+ if (down && isAppSwitchKey(keyCode)) {
+ env->CallVoidMethod(mCallbacks, gCallbacksClassInfo.notifyAppSwitchComing);
+ checkException(env, "notifyAppSwitchComing");
+
+ actions |= ACTION_APP_SWITCH_COMING;
+ }
+ }
+ return actions;
+}
+
+int32_t InputDispatchPolicy::interceptTouch(nsecs_t when) {
+ if (! isScreenOn()) {
+ // Touch events do not wake the device.
+ return ACTION_NONE;
+ }
+
+ return ACTION_DISPATCH;
+}
+
+int32_t InputDispatchPolicy::interceptTrackball(nsecs_t when,
+ bool buttonChanged, bool buttonDown, bool rolled) {
+ if (! isScreenOn()) {
+ // Trackball motions and button presses do not wake the device.
+ return ACTION_NONE;
+ }
+
+ return ACTION_DISPATCH;
+}
+
+bool InputDispatchPolicy::filterTouchEvents() {
+ if (mFilterTouchEvents < 0) {
+ JNIEnv* env = threadEnv();
+
+ jboolean result = env->CallBooleanMethod(mCallbacks,
+ gCallbacksClassInfo.filterTouchEvents);
+ if (checkException(env, "filterTouchEvents")) {
+ result = false;
+ }
+
+ mFilterTouchEvents = result ? 1 : 0;
+ }
+ return mFilterTouchEvents;
+}
+
+bool InputDispatchPolicy::filterJumpyTouchEvents() {
+ if (mFilterJumpyTouchEvents < 0) {
+ JNIEnv* env = threadEnv();
+
+ jboolean result = env->CallBooleanMethod(mCallbacks,
+ gCallbacksClassInfo.filterJumpyTouchEvents);
+ if (checkException(env, "filterJumpyTouchEvents")) {
+ result = false;
+ }
+
+ mFilterJumpyTouchEvents = result ? 1 : 0;
+ }
+ return mFilterJumpyTouchEvents;
+}
+
+void InputDispatchPolicy::getVirtualKeyDefinitions(const String8& deviceName,
+ Vector<VirtualKeyDefinition>& outVirtualKeyDefinitions) {
+ JNIEnv* env = threadEnv();
+
+ jstring deviceNameStr = env->NewStringUTF(deviceName.string());
+ if (! checkException(env, "getVirtualKeyDefinitions")) {
+ jobjectArray result = jobjectArray(env->CallObjectMethod(mCallbacks,
+ gCallbacksClassInfo.getVirtualKeyDefinitions, deviceNameStr));
+ if (! checkException(env, "getVirtualKeyDefinitions") && result) {
+ jsize length = env->GetArrayLength(result);
+ for (jsize i = 0; i < length; i++) {
+ jobject item = env->GetObjectArrayElement(result, i);
+
+ outVirtualKeyDefinitions.add();
+ outVirtualKeyDefinitions.editTop().scanCode =
+ int32_t(env->GetIntField(item, gVirtualKeyDefinitionClassInfo.scanCode));
+ outVirtualKeyDefinitions.editTop().centerX =
+ int32_t(env->GetIntField(item, gVirtualKeyDefinitionClassInfo.centerX));
+ outVirtualKeyDefinitions.editTop().centerY =
+ int32_t(env->GetIntField(item, gVirtualKeyDefinitionClassInfo.centerY));
+ outVirtualKeyDefinitions.editTop().width =
+ int32_t(env->GetIntField(item, gVirtualKeyDefinitionClassInfo.width));
+ outVirtualKeyDefinitions.editTop().height =
+ int32_t(env->GetIntField(item, gVirtualKeyDefinitionClassInfo.height));
+
+ env->DeleteLocalRef(item);
+ }
+ env->DeleteLocalRef(result);
+ }
+ env->DeleteLocalRef(deviceNameStr);
+ }
+}
+
+void InputDispatchPolicy::getExcludedDeviceNames(Vector<String8>& outExcludedDeviceNames) {
+ JNIEnv* env = threadEnv();
+
+ jobjectArray result = jobjectArray(env->CallObjectMethod(mCallbacks,
+ gCallbacksClassInfo.getExcludedDeviceNames));
+ if (! checkException(env, "getExcludedDeviceNames") && result) {
+ jsize length = env->GetArrayLength(result);
+ for (jsize i = 0; i < length; i++) {
+ jstring item = jstring(env->GetObjectArrayElement(result, i));
+
+ const char* deviceNameChars = env->GetStringUTFChars(item, NULL);
+ outExcludedDeviceNames.add(String8(deviceNameChars));
+ env->ReleaseStringUTFChars(item, deviceNameChars);
+
+ env->DeleteLocalRef(item);
+ }
+ env->DeleteLocalRef(result);
+ }
+}
+
+bool InputDispatchPolicy::allowKeyRepeat() {
+ // Disable key repeat when the screen is off.
+ return isScreenOn();
+}
+
+nsecs_t InputDispatchPolicy::getKeyRepeatTimeout() {
+ // TODO use ViewConfiguration.getLongPressTimeout()
+ return milliseconds_to_nanoseconds(500);
+}
+
+void InputDispatchPolicy::getKeyEventTargets(KeyEvent* keyEvent, uint32_t policyFlags,
+ Vector<InputTarget>& outTargets) {
+ JNIEnv* env = threadEnv();
+
+ jobject keyEventObj = android_view_KeyEvent_fromNative(env, keyEvent);
+ if (! keyEventObj) {
+ LOGE("Could not obtain DVM KeyEvent object to get key event targets.");
+ } else {
+ jobjectArray result = jobjectArray(env->CallObjectMethod(mCallbacks,
+ gCallbacksClassInfo.getKeyEventTargets,
+ keyEventObj, jint(keyEvent->getNature()), jint(policyFlags)));
+ if (! checkException(env, "getKeyEventTargets") && result) {
+ jsize length = env->GetArrayLength(result);
+ for (jsize i = 0; i < length; i++) {
+ jobject item = env->GetObjectArrayElement(result, i);
+ if (! item) {
+ break; // found null element indicating end of used portion of the array
+ }
+
+ outTargets.add();
+ android_view_InputTarget_toNative(env, item, & outTargets.editTop());
+
+ env->DeleteLocalRef(item);
+ }
+ env->DeleteLocalRef(result);
+ }
+ env->DeleteLocalRef(keyEventObj);
+ }
+}
+
+void InputDispatchPolicy::getMotionEventTargets(MotionEvent* motionEvent, uint32_t policyFlags,
+ Vector<InputTarget>& outTargets) {
+ JNIEnv* env = threadEnv();
+
+ jobject motionEventObj = android_view_MotionEvent_fromNative(env, motionEvent);
+ if (! motionEventObj) {
+ LOGE("Could not obtain DVM MotionEvent object to get key event targets.");
+ } else {
+ jobjectArray result = jobjectArray(env->CallObjectMethod(mCallbacks,
+ gCallbacksClassInfo.getMotionEventTargets,
+ motionEventObj, jint(motionEvent->getNature()), jint(policyFlags)));
+ if (! checkException(env, "getMotionEventTargets") && result) {
+ jsize length = env->GetArrayLength(result);
+ for (jsize i = 0; i < length; i++) {
+ jobject item = env->GetObjectArrayElement(result, i);
+ if (! item) {
+ break; // found null element indicating end of used portion of the array
+ }
+
+ outTargets.add();
+ android_view_InputTarget_toNative(env, item, & outTargets.editTop());
+
+ env->DeleteLocalRef(item);
+ }
+ env->DeleteLocalRef(result);
+ }
+ android_view_MotionEvent_recycle(env, motionEventObj);
+ env->DeleteLocalRef(motionEventObj);
+ }
+}
+
+} /* namespace android */
diff --git a/services/jni/com_android_server_KeyInputQueue.cpp b/services/jni/com_android_server_KeyInputQueue.cpp
index c92f8df..f9e3585 100644
--- a/services/jni/com_android_server_KeyInputQueue.cpp
+++ b/services/jni/com_android_server_KeyInputQueue.cpp
@@ -156,7 +156,7 @@
{
jint st = -1;
gLock.lock();
- if (gHub != NULL) st = gHub->getSwitchState(sw);
+ if (gHub != NULL) st = gHub->getSwitchState(-1, -1, sw);
gLock.unlock();
return st;
@@ -168,7 +168,7 @@
{
jint st = -1;
gLock.lock();
- if (gHub != NULL) st = gHub->getSwitchState(deviceId, sw);
+ if (gHub != NULL) st = gHub->getSwitchState(deviceId, -1, sw);
gLock.unlock();
return st;
@@ -180,7 +180,7 @@
{
jint st = -1;
gLock.lock();
- if (gHub != NULL) st = gHub->getScancodeState(sw);
+ if (gHub != NULL) st = gHub->getScanCodeState(0, -1, sw);
gLock.unlock();
return st;
@@ -192,7 +192,7 @@
{
jint st = -1;
gLock.lock();
- if (gHub != NULL) st = gHub->getScancodeState(deviceId, sw);
+ if (gHub != NULL) st = gHub->getScanCodeState(deviceId, -1, sw);
gLock.unlock();
return st;
@@ -204,7 +204,7 @@
{
jint st = -1;
gLock.lock();
- if (gHub != NULL) st = gHub->getKeycodeState(sw);
+ if (gHub != NULL) st = gHub->getKeyCodeState(0, -1, sw);
gLock.unlock();
return st;
@@ -216,7 +216,7 @@
{
jint st = -1;
gLock.lock();
- if (gHub != NULL) st = gHub->getKeycodeState(deviceId, sw);
+ if (gHub != NULL) st = gHub->getKeyCodeState(deviceId,-1, sw);
gLock.unlock();
return st;
@@ -247,7 +247,7 @@
int32_t* codes = env->GetIntArrayElements(keyCodes, NULL);
uint8_t* flags = env->GetBooleanArrayElements(outFlags, NULL);
- size_t numCodes = env->GetArrayLength(keyCodes);
+ jsize numCodes = env->GetArrayLength(keyCodes);
if (numCodes == env->GetArrayLength(outFlags)) {
gLock.lock();
if (gHub != NULL) ret = gHub->hasKeys(numCodes, codes, flags);
diff --git a/services/jni/onload.cpp b/services/jni/onload.cpp
index d11e7e1..a1a6838 100644
--- a/services/jni/onload.cpp
+++ b/services/jni/onload.cpp
@@ -7,6 +7,7 @@
int register_android_server_AlarmManagerService(JNIEnv* env);
int register_android_server_BatteryService(JNIEnv* env);
int register_android_server_KeyInputQueue(JNIEnv* env);
+int register_android_server_InputManager(JNIEnv* env);
int register_android_server_LightsService(JNIEnv* env);
int register_android_server_SensorService(JNIEnv* env);
int register_android_server_VibratorService(JNIEnv* env);
@@ -28,6 +29,7 @@
LOG_ASSERT(env, "Could not retrieve the env!");
register_android_server_KeyInputQueue(env);
+ register_android_server_InputManager(env);
register_android_server_LightsService(env);
register_android_server_AlarmManagerService(env);
register_android_server_BatteryService(env);
diff --git a/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/Bridge.java b/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/Bridge.java
index 4201e80..f91f601 100644
--- a/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/Bridge.java
+++ b/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/Bridge.java
@@ -46,6 +46,7 @@
import android.util.DisplayMetrics;
import android.util.TypedValue;
import android.view.BridgeInflater;
+import android.view.InputChannel;
import android.view.IWindow;
import android.view.IWindowSession;
import android.view.KeyEvent;
@@ -990,13 +991,21 @@
private static final class WindowSession implements IWindowSession {
@SuppressWarnings("unused")
- public int add(IWindow arg0, LayoutParams arg1, int arg2, Rect arg3)
+ public int add(IWindow arg0, LayoutParams arg1, int arg2, Rect arg3,
+ InputChannel outInputchannel)
throws RemoteException {
// pass for now.
return 0;
}
@SuppressWarnings("unused")
+ public int addWithoutInputChannel(IWindow arg0, LayoutParams arg1, int arg2, Rect arg3)
+ throws RemoteException {
+ // pass for now.
+ return 0;
+ }
+
+ @SuppressWarnings("unused")
public void finishDrawing(IWindow arg0) throws RemoteException {
// pass for now.
}
