| /* |
| * 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.wm; |
| |
| import static android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN; |
| import static android.os.Trace.TRACE_TAG_WINDOW_MANAGER; |
| import static android.view.ViewTreeObserver.InternalInsetsInfo.TOUCHABLE_INSETS_REGION; |
| import static android.view.WindowManager.INPUT_CONSUMER_PIP; |
| import static android.view.WindowManager.INPUT_CONSUMER_RECENTS_ANIMATION; |
| import static android.view.WindowManager.INPUT_CONSUMER_WALLPAPER; |
| import static android.view.WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE; |
| import static android.view.WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL; |
| import static android.view.WindowManager.LayoutParams.INPUT_FEATURE_NO_INPUT_CHANNEL; |
| import static android.view.WindowManager.LayoutParams.TYPE_ACCESSIBILITY_MAGNIFICATION_OVERLAY; |
| import static android.view.WindowManager.LayoutParams.TYPE_ACCESSIBILITY_OVERLAY; |
| import static android.view.WindowManager.LayoutParams.TYPE_DOCK_DIVIDER; |
| import static android.view.WindowManager.LayoutParams.TYPE_INPUT_CONSUMER; |
| import static android.view.WindowManager.LayoutParams.TYPE_INPUT_METHOD; |
| import static android.view.WindowManager.LayoutParams.TYPE_INPUT_METHOD_DIALOG; |
| import static android.view.WindowManager.LayoutParams.TYPE_MAGNIFICATION_OVERLAY; |
| import static android.view.WindowManager.LayoutParams.TYPE_NAVIGATION_BAR; |
| import static android.view.WindowManager.LayoutParams.TYPE_NAVIGATION_BAR_PANEL; |
| import static android.view.WindowManager.LayoutParams.TYPE_NOTIFICATION_SHADE; |
| import static android.view.WindowManager.LayoutParams.TYPE_SECURE_SYSTEM_OVERLAY; |
| import static android.view.WindowManager.LayoutParams.TYPE_STATUS_BAR; |
| import static android.view.WindowManager.LayoutParams.TYPE_STATUS_BAR_ADDITIONAL; |
| import static android.view.WindowManager.LayoutParams.TYPE_VOICE_INTERACTION; |
| import static android.view.WindowManager.LayoutParams.TYPE_WALLPAPER; |
| |
| import static com.android.internal.protolog.ProtoLogGroup.WM_DEBUG_FOCUS_LIGHT; |
| import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_INPUT; |
| import static com.android.server.wm.WindowManagerDebugConfig.TAG_WM; |
| import static com.android.server.wm.WindowManagerService.LOGTAG_INPUT_FOCUS; |
| |
| import static java.lang.Integer.MAX_VALUE; |
| |
| import android.annotation.Nullable; |
| import android.graphics.Rect; |
| import android.graphics.Region; |
| import android.os.Handler; |
| import android.os.IBinder; |
| import android.os.InputConfig; |
| import android.os.SystemClock; |
| import android.os.Trace; |
| import android.os.UserHandle; |
| import android.util.EventLog; |
| import android.util.Slog; |
| import android.view.InputChannel; |
| import android.view.InputWindowHandle; |
| import android.view.SurfaceControl; |
| import android.view.WindowManager; |
| |
| import com.android.internal.annotations.VisibleForTesting; |
| import com.android.internal.inputmethod.SoftInputShowHideReason; |
| import com.android.internal.protolog.common.ProtoLog; |
| import com.android.server.LocalServices; |
| import com.android.server.inputmethod.InputMethodManagerInternal; |
| |
| import java.io.PrintWriter; |
| import java.lang.ref.WeakReference; |
| import java.util.ArrayList; |
| import java.util.function.Consumer; |
| |
| final class InputMonitor { |
| private final WindowManagerService mService; |
| |
| // Current input focus token for keys and other non-touch events. May be null. |
| IBinder mInputFocus = null; |
| long mInputFocusRequestTimeMillis = 0; |
| |
| // When true, need to call updateInputWindowsLw(). |
| private boolean mUpdateInputWindowsNeeded = true; |
| private boolean mUpdateInputWindowsPending; |
| private boolean mUpdateInputWindowsImmediately; |
| |
| private final Region mTmpRegion = new Region(); |
| private final UpdateInputForAllWindowsConsumer mUpdateInputForAllWindowsConsumer; |
| |
| private final int mDisplayId; |
| private final DisplayContent mDisplayContent; |
| private boolean mDisplayRemoved; |
| private int mDisplayWidth; |
| private int mDisplayHeight; |
| |
| private final SurfaceControl.Transaction mInputTransaction; |
| private final Handler mHandler; |
| |
| /** |
| * The set of input consumer added to the window manager by name, which consumes input events |
| * for the windows below it. |
| */ |
| private final ArrayList<InputConsumerImpl> mInputConsumers = new ArrayList<>(); |
| |
| /** |
| * Set when recents (overview) is active as part of a shell transition. While set, any focus |
| * going to the recents activity will be redirected to the Recents input consumer. Since we |
| * draw the live-tile above the recents activity, we also need to provide that activity as a |
| * z-layering reference so that we can place the recents input consumer above it. |
| */ |
| private WeakReference<ActivityRecord> mActiveRecentsActivity = null; |
| private WeakReference<ActivityRecord> mActiveRecentsLayerRef = null; |
| |
| private class UpdateInputWindows implements Runnable { |
| @Override |
| public void run() { |
| synchronized (mService.mGlobalLock) { |
| mUpdateInputWindowsPending = false; |
| mUpdateInputWindowsNeeded = false; |
| |
| if (mDisplayRemoved) { |
| return; |
| } |
| |
| // Populate the input window list with information about all of the windows that |
| // could potentially receive input. |
| // As an optimization, we could try to prune the list of windows but this turns |
| // out to be difficult because only the native code knows for sure which window |
| // currently has touch focus. |
| |
| // If there's a drag in flight, provide a pseudo-window to catch drag input |
| final boolean inDrag = mService.mDragDropController.dragDropActiveLocked(); |
| |
| // Add all windows on the default display. |
| mUpdateInputForAllWindowsConsumer.updateInputWindows(inDrag); |
| } |
| } |
| } |
| |
| private final UpdateInputWindows mUpdateInputWindows = new UpdateInputWindows(); |
| |
| InputMonitor(WindowManagerService service, DisplayContent displayContent) { |
| mService = service; |
| mDisplayContent = displayContent; |
| mDisplayId = displayContent.getDisplayId(); |
| mInputTransaction = mService.mTransactionFactory.get(); |
| mHandler = mService.mAnimationHandler; |
| mUpdateInputForAllWindowsConsumer = new UpdateInputForAllWindowsConsumer(); |
| } |
| |
| void onDisplayRemoved() { |
| mHandler.removeCallbacks(mUpdateInputWindows); |
| mService.mTransactionFactory.get() |
| // Make sure any pending setInputWindowInfo transactions are completed. That |
| // prevents the timing of updating input info of removed display after cleanup. |
| .addWindowInfosReportedListener(() -> |
| // It calls InputDispatcher::setInputWindows directly. |
| mService.mInputManager.onDisplayRemoved(mDisplayId)) |
| .apply(); |
| mDisplayRemoved = true; |
| } |
| |
| private void addInputConsumer(InputConsumerImpl consumer) { |
| mInputConsumers.add(consumer); |
| consumer.linkToDeathRecipient(); |
| consumer.layout(mInputTransaction, mDisplayWidth, mDisplayHeight); |
| updateInputWindowsLw(true /* force */); |
| } |
| |
| boolean destroyInputConsumer(IBinder token) { |
| for (int i = 0; i < mInputConsumers.size(); i++) { |
| final InputConsumerImpl consumer = mInputConsumers.get(i); |
| if (consumer != null && consumer.mToken == token) { |
| consumer.disposeChannelsLw(mInputTransaction); |
| mInputConsumers.remove(consumer); |
| updateInputWindowsLw(true /* force */); |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| InputConsumerImpl getInputConsumer(String name) { |
| // Search in reverse order as the latest input consumer with the name takes precedence |
| for (int i = mInputConsumers.size() - 1; i >= 0; i--) { |
| final InputConsumerImpl consumer = mInputConsumers.get(i); |
| if (consumer.mName.equals(name)) { |
| return consumer; |
| } |
| } |
| return null; |
| } |
| |
| void layoutInputConsumers(int dw, int dh) { |
| if (mDisplayWidth == dw && mDisplayHeight == dh) { |
| return; |
| } |
| mDisplayWidth = dw; |
| mDisplayHeight = dh; |
| try { |
| Trace.traceBegin(TRACE_TAG_WINDOW_MANAGER, "layoutInputConsumer"); |
| for (int i = mInputConsumers.size() - 1; i >= 0; i--) { |
| mInputConsumers.get(i).layout(mInputTransaction, dw, dh); |
| } |
| } finally { |
| Trace.traceEnd(TRACE_TAG_WINDOW_MANAGER); |
| } |
| } |
| |
| // The visibility of the input consumers is recomputed each time we |
| // update the input windows. We use a model where consumers begin invisible |
| // (set so by this function) and must meet some condition for visibility on each update. |
| void resetInputConsumers(SurfaceControl.Transaction t) { |
| for (int i = mInputConsumers.size() - 1; i >= 0; i--) { |
| mInputConsumers.get(i).hide(t); |
| } |
| } |
| |
| void createInputConsumer(IBinder token, String name, InputChannel inputChannel, int clientPid, |
| UserHandle clientUser) { |
| final InputConsumerImpl existingConsumer = getInputConsumer(name); |
| if (existingConsumer != null && existingConsumer.mClientUser.equals(clientUser)) { |
| throw new IllegalStateException("Existing input consumer found with name: " + name |
| + ", display: " + mDisplayId + ", user: " + clientUser); |
| } |
| |
| final InputConsumerImpl consumer = new InputConsumerImpl(mService, token, name, |
| inputChannel, clientPid, clientUser, mDisplayId, mInputTransaction); |
| switch (name) { |
| case INPUT_CONSUMER_WALLPAPER: |
| consumer.mWindowHandle.inputConfig |= InputConfig.DUPLICATE_TOUCH_TO_WALLPAPER; |
| break; |
| case INPUT_CONSUMER_PIP: |
| // This is a valid consumer type, but we don't need any additional configurations. |
| break; |
| case INPUT_CONSUMER_RECENTS_ANIMATION: |
| consumer.mWindowHandle.inputConfig &= ~InputConfig.NOT_FOCUSABLE; |
| break; |
| default: |
| throw new IllegalArgumentException("Illegal input consumer : " + name |
| + ", display: " + mDisplayId); |
| } |
| addInputConsumer(consumer); |
| } |
| |
| @VisibleForTesting |
| void populateInputWindowHandle(final InputWindowHandleWrapper inputWindowHandle, |
| final WindowState w) { |
| // Add a window to our list of input windows. |
| inputWindowHandle.setInputApplicationHandle(w.mActivityRecord != null |
| ? w.mActivityRecord.getInputApplicationHandle(false /* update */) : null); |
| inputWindowHandle.setToken(w.mInputChannelToken); |
| inputWindowHandle.setDispatchingTimeoutMillis(w.getInputDispatchingTimeoutMillis()); |
| inputWindowHandle.setTouchOcclusionMode(w.getTouchOcclusionMode()); |
| inputWindowHandle.setPaused(w.mActivityRecord != null && w.mActivityRecord.paused); |
| inputWindowHandle.setWindowToken(w.mClient.asBinder()); |
| |
| inputWindowHandle.setName(w.getName()); |
| |
| // Update layout params flags to force the window to be not touch modal. We do this to |
| // restrict the window's touchable region to the task even if it requests touches outside |
| // its window bounds. An example is a dialog in primary split should get touches outside its |
| // window within the primary task but should not get any touches going to the secondary |
| // task. |
| int flags = w.mAttrs.flags; |
| if (w.mAttrs.isModal()) { |
| flags = flags | FLAG_NOT_TOUCH_MODAL; |
| } |
| inputWindowHandle.setLayoutParamsFlags(flags); |
| inputWindowHandle.setInputConfigMasked( |
| InputConfigAdapter.getInputConfigFromWindowParams( |
| w.mAttrs.type, flags, w.mAttrs.inputFeatures), |
| InputConfigAdapter.getMask()); |
| |
| final boolean focusable = w.canReceiveKeys() |
| && (mDisplayContent.hasOwnFocus() || mDisplayContent.isOnTop()); |
| inputWindowHandle.setFocusable(focusable); |
| |
| final boolean hasWallpaper = mDisplayContent.mWallpaperController.isWallpaperTarget(w) |
| && !mService.mPolicy.isKeyguardShowing() |
| && w.mAttrs.areWallpaperTouchEventsEnabled(); |
| inputWindowHandle.setHasWallpaper(hasWallpaper); |
| |
| // Surface insets are hardcoded to be the same in all directions |
| // and we could probably deprecate the "left/right/top/bottom" concept. |
| // we avoid reintroducing this concept by just choosing one of them here. |
| inputWindowHandle.setSurfaceInset(w.mAttrs.surfaceInsets.left); |
| |
| // If we are scaling the window, input coordinates need to be inversely scaled to map from |
| // what is on screen to what is actually being touched in the UI. |
| inputWindowHandle.setScaleFactor(w.mGlobalScale != 1f ? (1f / w.mGlobalScale) : 1f); |
| |
| boolean useSurfaceBoundsAsTouchRegion = false; |
| SurfaceControl touchableRegionCrop = null; |
| final Task task = w.getTask(); |
| if (task != null) { |
| if (task.isOrganized() && task.getWindowingMode() != WINDOWING_MODE_FULLSCREEN) { |
| // If the window is in a TaskManaged by a TaskOrganizer then most cropping will |
| // be applied using the SurfaceControl hierarchy from the Organizer. This means |
| // we need to make sure that these changes in crop are reflected in the input |
| // windows, and so ensure this flag is set so that the input crop always reflects |
| // the surface hierarchy. However, we only want to set this when the client did |
| // not already provide a touchable region, so that we don't ignore the one provided. |
| if (w.mTouchableInsets != TOUCHABLE_INSETS_REGION) { |
| useSurfaceBoundsAsTouchRegion = true; |
| } |
| |
| if (w.mAttrs.isModal()) { |
| TaskFragment parent = w.getTaskFragment(); |
| touchableRegionCrop = parent != null ? parent.getSurfaceControl() : null; |
| } |
| } else if (task.cropWindowsToRootTaskBounds() && !w.inFreeformWindowingMode()) { |
| touchableRegionCrop = task.getRootTask().getSurfaceControl(); |
| } |
| } |
| inputWindowHandle.setReplaceTouchableRegionWithCrop(useSurfaceBoundsAsTouchRegion); |
| inputWindowHandle.setTouchableRegionCrop(touchableRegionCrop); |
| |
| if (!useSurfaceBoundsAsTouchRegion) { |
| w.getSurfaceTouchableRegion(mTmpRegion, w.mAttrs); |
| inputWindowHandle.setTouchableRegion(mTmpRegion); |
| } |
| } |
| |
| void setUpdateInputWindowsNeededLw() { |
| mUpdateInputWindowsNeeded = true; |
| } |
| |
| /* Updates the cached window information provided to the input dispatcher. */ |
| void updateInputWindowsLw(boolean force) { |
| if (!force && !mUpdateInputWindowsNeeded) { |
| return; |
| } |
| scheduleUpdateInputWindows(); |
| } |
| |
| private void scheduleUpdateInputWindows() { |
| if (mDisplayRemoved) { |
| return; |
| } |
| |
| if (!mUpdateInputWindowsPending) { |
| mUpdateInputWindowsPending = true; |
| mHandler.post(mUpdateInputWindows); |
| } |
| } |
| |
| /** |
| * Immediately update the input transaction and merge into the passing Transaction that could be |
| * collected and applied later. |
| */ |
| void updateInputWindowsImmediately(SurfaceControl.Transaction t) { |
| mHandler.removeCallbacks(mUpdateInputWindows); |
| mUpdateInputWindowsImmediately = true; |
| mUpdateInputWindows.run(); |
| mUpdateInputWindowsImmediately = false; |
| t.merge(mInputTransaction); |
| } |
| |
| /** |
| * Called when the current input focus changes. Will apply it in next updateInputWindows. |
| * Layer assignment is assumed to be complete by the time this is called. |
| */ |
| void setInputFocusLw(WindowState newWindow, boolean updateInputWindows) { |
| ProtoLog.v(WM_DEBUG_FOCUS_LIGHT, "Input focus has changed to %s display=%d", |
| newWindow, mDisplayId); |
| final IBinder focus = newWindow != null ? newWindow.mInputChannelToken : null; |
| if (focus == mInputFocus) { |
| return; |
| } |
| |
| if (newWindow != null && newWindow.canReceiveKeys()) { |
| // Displaying a window implicitly causes dispatching to be unpaused. |
| // This is to protect against bugs if someone pauses dispatching but |
| // forgets to resume. |
| newWindow.mToken.paused = false; |
| } |
| |
| setUpdateInputWindowsNeededLw(); |
| |
| if (updateInputWindows) { |
| updateInputWindowsLw(false /*force*/); |
| } |
| } |
| |
| /** |
| * Inform InputMonitor when recents is active so it can enable the recents input consumer. |
| * @param activity The active recents activity. {@code null} means recents is not active. |
| * @param layer An activity whose Z-layer is used as a reference for how to sort the consumer. |
| */ |
| void setActiveRecents(@Nullable ActivityRecord activity, @Nullable ActivityRecord layer) { |
| final boolean clear = activity == null; |
| final boolean wasActive = mActiveRecentsActivity != null && mActiveRecentsLayerRef != null; |
| mActiveRecentsActivity = clear ? null : new WeakReference<>(activity); |
| mActiveRecentsLayerRef = clear ? null : new WeakReference<>(layer); |
| if (clear && wasActive) { |
| setUpdateInputWindowsNeededLw(); |
| } |
| } |
| |
| private static <T> T getWeak(WeakReference<T> ref) { |
| return ref != null ? ref.get() : null; |
| } |
| |
| /** |
| * Called when the current input focus changes. |
| */ |
| private void updateInputFocusRequest(InputConsumerImpl recentsAnimationInputConsumer) { |
| final WindowState focus = mDisplayContent.mCurrentFocus; |
| // Request focus for the recents animation input consumer if an input consumer should |
| // be applied for the window. |
| if (recentsAnimationInputConsumer != null && focus != null) { |
| final RecentsAnimationController recentsAnimationController = |
| mService.getRecentsAnimationController(); |
| // Apply recents input consumer when the focusing window is in recents animation. |
| final boolean shouldApplyRecentsInputConsumer = (recentsAnimationController != null |
| && recentsAnimationController.shouldApplyInputConsumer(focus.mActivityRecord)) |
| // Shell transitions doesn't use RecentsAnimationController but we still |
| // have carryover legacy logic that relies on the consumer. |
| || (getWeak(mActiveRecentsActivity) != null && focus.inTransition() |
| // only take focus from the recents activity to avoid intercepting |
| // events before the gesture officially starts. |
| && focus.isActivityTypeHomeOrRecents()); |
| if (shouldApplyRecentsInputConsumer) { |
| if (mInputFocus != recentsAnimationInputConsumer.mWindowHandle.token) { |
| requestFocus(recentsAnimationInputConsumer.mWindowHandle.token, |
| recentsAnimationInputConsumer.mName); |
| } |
| if (mDisplayContent.mInputMethodWindow != null |
| && mDisplayContent.mInputMethodWindow.isVisible()) { |
| // Hiding IME/IME icon when recents input consumer gain focus. |
| final boolean isImeAttachedToApp = mDisplayContent.isImeAttachedToApp(); |
| if (!isImeAttachedToApp) { |
| // Hiding IME if IME window is not attached to app since it's not proper to |
| // snapshot Task with IME window to animate together in this case. |
| final InputMethodManagerInternal inputMethodManagerInternal = |
| LocalServices.getService(InputMethodManagerInternal.class); |
| if (inputMethodManagerInternal != null) { |
| // TODO(b/308479256): Check if hiding "all" IMEs is OK or not. |
| inputMethodManagerInternal.hideAllInputMethods( |
| SoftInputShowHideReason.HIDE_RECENTS_ANIMATION, |
| mDisplayContent.getDisplayId()); |
| } |
| // Ensure removing the IME snapshot when the app no longer to show on the |
| // task snapshot (also taking the new task snaphot to update the overview). |
| final ActivityRecord app = mDisplayContent.getImeInputTarget() != null |
| ? mDisplayContent.getImeInputTarget().getActivityRecord() : null; |
| if (app != null) { |
| mDisplayContent.removeImeSurfaceImmediately(); |
| if (app.getTask() != null) { |
| mDisplayContent.mAtmService.takeTaskSnapshot(app.getTask().mTaskId, |
| true /* updateCache */); |
| } |
| } |
| } else { |
| // Disable IME icon explicitly when IME attached to the app in case |
| // IME icon might flickering while swiping to the next app task still |
| // in animating before the next app window focused, or IME icon |
| // persists on the bottom when swiping the task to recents. |
| InputMethodManagerInternal.get().updateImeWindowStatus( |
| true /* disableImeIcon */, mDisplayContent.getDisplayId()); |
| } |
| } |
| return; |
| } |
| } |
| |
| final IBinder focusToken = focus != null ? focus.mInputChannelToken : null; |
| if (focusToken == null) { |
| if (recentsAnimationInputConsumer != null |
| && recentsAnimationInputConsumer.mWindowHandle != null |
| && mInputFocus == recentsAnimationInputConsumer.mWindowHandle.token) { |
| // Avoid removing input focus from recentsAnimationInputConsumer. |
| // When the recents animation input consumer has the input focus, |
| // mInputFocus does not match to mDisplayContent.mCurrentFocus. Making it to be |
| // a special case, that do not remove the input focus from it when |
| // mDisplayContent.mCurrentFocus is null. This special case should be removed |
| // once recentAnimationInputConsumer is removed. |
| return; |
| } |
| // When an app is focused, but its window is not showing yet, remove the input focus |
| // from the current window. This enforces the input focus to match |
| // mDisplayContent.mCurrentFocus. However, if more special cases are discovered that |
| // the input focus and mDisplayContent.mCurrentFocus are expected to mismatch, |
| // the whole logic of how and when to revoke focus needs to be checked. |
| if (mDisplayContent.mFocusedApp != null && mInputFocus != null) { |
| ProtoLog.v(WM_DEBUG_FOCUS_LIGHT, "App %s is focused," |
| + " but the window is not ready. Start a transaction to remove focus from" |
| + " the window of non-focused apps.", |
| mDisplayContent.mFocusedApp.getName()); |
| EventLog.writeEvent(LOGTAG_INPUT_FOCUS, "Requesting to set focus to null window", |
| "reason=UpdateInputWindows"); |
| mInputTransaction.removeCurrentInputFocus(mDisplayId); |
| } |
| mInputFocus = null; |
| return; |
| } |
| |
| if (!focus.mWinAnimator.hasSurface() || !focus.mInputWindowHandle.isFocusable()) { |
| ProtoLog.v(WM_DEBUG_FOCUS_LIGHT, "Focus not requested for window=%s" |
| + " because it has no surface or is not focusable.", focus); |
| mInputFocus = null; |
| return; |
| } |
| |
| requestFocus(focusToken, focus.getName()); |
| } |
| |
| private void requestFocus(IBinder focusToken, String windowName) { |
| if (focusToken == mInputFocus) { |
| return; |
| } |
| |
| mInputFocus = focusToken; |
| mInputFocusRequestTimeMillis = SystemClock.uptimeMillis(); |
| mInputTransaction.setFocusedWindow(mInputFocus, windowName, mDisplayId); |
| EventLog.writeEvent(LOGTAG_INPUT_FOCUS, "Focus request " + windowName, |
| "reason=UpdateInputWindows"); |
| ProtoLog.v(WM_DEBUG_FOCUS_LIGHT, "Focus requested for window=%s", windowName); |
| } |
| |
| void setFocusedAppLw(ActivityRecord newApp) { |
| // Focused app has changed. |
| mService.mInputManager.setFocusedApplication(mDisplayId, |
| newApp != null ? newApp.getInputApplicationHandle(true /* update */) : null); |
| } |
| |
| public void pauseDispatchingLw(WindowToken window) { |
| if (! window.paused) { |
| if (DEBUG_INPUT) { |
| Slog.v(TAG_WM, "Pausing WindowToken " + window); |
| } |
| |
| window.paused = true; |
| updateInputWindowsLw(true /*force*/); |
| } |
| } |
| |
| public void resumeDispatchingLw(WindowToken window) { |
| if (window.paused) { |
| if (DEBUG_INPUT) { |
| Slog.v(TAG_WM, "Resuming WindowToken " + window); |
| } |
| |
| window.paused = false; |
| updateInputWindowsLw(true /*force*/); |
| } |
| } |
| |
| void dump(PrintWriter pw, String prefix) { |
| if (!mInputConsumers.isEmpty()) { |
| pw.println(prefix + "InputConsumers:"); |
| for (int i = 0; i < mInputConsumers.size(); i++) { |
| final InputConsumerImpl consumer = mInputConsumers.get(i); |
| consumer.dump(pw, consumer.mName, prefix); |
| } |
| } |
| } |
| |
| private final class UpdateInputForAllWindowsConsumer implements Consumer<WindowState> { |
| InputConsumerImpl mPipInputConsumer; |
| InputConsumerImpl mWallpaperInputConsumer; |
| InputConsumerImpl mRecentsAnimationInputConsumer; |
| |
| private boolean mAddPipInputConsumerHandle; |
| private boolean mAddWallpaperInputConsumerHandle; |
| private boolean mAddRecentsAnimationInputConsumerHandle; |
| |
| private boolean mInDrag; |
| private final Rect mTmpRect = new Rect(); |
| |
| private void updateInputWindows(boolean inDrag) { |
| Trace.traceBegin(TRACE_TAG_WINDOW_MANAGER, "updateInputWindows"); |
| |
| mPipInputConsumer = getInputConsumer(INPUT_CONSUMER_PIP); |
| mWallpaperInputConsumer = getInputConsumer(INPUT_CONSUMER_WALLPAPER); |
| mRecentsAnimationInputConsumer = getInputConsumer(INPUT_CONSUMER_RECENTS_ANIMATION); |
| |
| mAddPipInputConsumerHandle = mPipInputConsumer != null; |
| mAddWallpaperInputConsumerHandle = mWallpaperInputConsumer != null; |
| mAddRecentsAnimationInputConsumerHandle = mRecentsAnimationInputConsumer != null; |
| |
| mInDrag = inDrag; |
| |
| resetInputConsumers(mInputTransaction); |
| // Update recents input consumer layer if active |
| final ActivityRecord activeRecents = getWeak(mActiveRecentsActivity); |
| if (mAddRecentsAnimationInputConsumerHandle && activeRecents != null |
| && activeRecents.getSurfaceControl() != null) { |
| WindowContainer layer = getWeak(mActiveRecentsLayerRef); |
| layer = layer != null ? layer : activeRecents; |
| // Handle edge-case for SUW where windows don't exist yet |
| if (layer.getSurfaceControl() != null) { |
| final WindowState targetAppMainWindow = activeRecents.findMainWindow(); |
| if (targetAppMainWindow != null) { |
| targetAppMainWindow.getBounds(mTmpRect); |
| mRecentsAnimationInputConsumer.mWindowHandle.touchableRegion.set(mTmpRect); |
| } |
| mRecentsAnimationInputConsumer.show(mInputTransaction, layer); |
| mAddRecentsAnimationInputConsumerHandle = false; |
| } |
| } |
| mDisplayContent.forAllWindows(this, true /* traverseTopToBottom */); |
| updateInputFocusRequest(mRecentsAnimationInputConsumer); |
| |
| if (!mUpdateInputWindowsImmediately) { |
| mDisplayContent.getPendingTransaction().merge(mInputTransaction); |
| mDisplayContent.scheduleAnimation(); |
| } |
| |
| Trace.traceEnd(TRACE_TAG_WINDOW_MANAGER); |
| } |
| |
| @Override |
| public void accept(WindowState w) { |
| final InputWindowHandleWrapper inputWindowHandle = w.mInputWindowHandle; |
| if (w.mInputChannelToken == null || w.mRemoved || !w.canReceiveTouchInput()) { |
| if (w.mWinAnimator.hasSurface()) { |
| // Make sure the input info can't receive input event. It may be omitted from |
| // occlusion detection depending on the type or if it's a trusted overlay. |
| populateOverlayInputInfo(inputWindowHandle, w); |
| setInputWindowInfoIfNeeded(mInputTransaction, |
| w.mWinAnimator.mSurfaceController.mSurfaceControl, inputWindowHandle); |
| return; |
| } |
| // Skip this window because it cannot possibly receive input. |
| return; |
| } |
| |
| // This only works for legacy transitions. |
| final RecentsAnimationController recentsAnimationController = |
| mService.getRecentsAnimationController(); |
| final boolean shouldApplyRecentsInputConsumer = recentsAnimationController != null |
| && recentsAnimationController.shouldApplyInputConsumer(w.mActivityRecord); |
| if (mAddRecentsAnimationInputConsumerHandle && shouldApplyRecentsInputConsumer) { |
| if (recentsAnimationController.updateInputConsumerForApp( |
| mRecentsAnimationInputConsumer.mWindowHandle)) { |
| final DisplayArea targetDA = |
| recentsAnimationController.getTargetAppDisplayArea(); |
| if (targetDA != null) { |
| mRecentsAnimationInputConsumer.reparent(mInputTransaction, targetDA); |
| mRecentsAnimationInputConsumer.show(mInputTransaction, MAX_VALUE - 2); |
| mAddRecentsAnimationInputConsumerHandle = false; |
| } |
| } |
| } |
| |
| if (w.inPinnedWindowingMode()) { |
| if (mAddPipInputConsumerHandle) { |
| final Task rootTask = w.getTask().getRootTask(); |
| mPipInputConsumer.mWindowHandle.replaceTouchableRegionWithCrop( |
| rootTask.getSurfaceControl()); |
| final DisplayArea targetDA = rootTask.getDisplayArea(); |
| // We set the layer to z=MAX-1 so that it's always on top. |
| if (targetDA != null) { |
| mPipInputConsumer.layout(mInputTransaction, rootTask.getBounds()); |
| mPipInputConsumer.reparent(mInputTransaction, targetDA); |
| mPipInputConsumer.show(mInputTransaction, MAX_VALUE - 1); |
| mAddPipInputConsumerHandle = false; |
| } |
| } |
| } |
| |
| if (mAddWallpaperInputConsumerHandle) { |
| if (w.mAttrs.type == TYPE_WALLPAPER && w.isVisible()) { |
| mWallpaperInputConsumer.mWindowHandle |
| .replaceTouchableRegionWithCrop(null /* use this surface's bounds */); |
| // Add the wallpaper input consumer above the first visible wallpaper. |
| mWallpaperInputConsumer.show(mInputTransaction, w); |
| mAddWallpaperInputConsumerHandle = false; |
| } |
| } |
| |
| // If there's a drag in progress and 'child' is a potential drop target, |
| // make sure it's been told about the drag |
| if (mInDrag && w.isVisible() && w.getDisplayContent().isDefaultDisplay) { |
| mService.mDragDropController.sendDragStartedIfNeededLocked(w); |
| } |
| |
| // register key interception info |
| mService.mKeyInterceptionInfoForToken.put(w.mInputChannelToken, |
| w.getKeyInterceptionInfo()); |
| |
| if (w.mWinAnimator.hasSurface()) { |
| populateInputWindowHandle(inputWindowHandle, w); |
| setInputWindowInfoIfNeeded(mInputTransaction, |
| w.mWinAnimator.mSurfaceController.mSurfaceControl, inputWindowHandle); |
| } |
| } |
| } |
| |
| @VisibleForTesting |
| static void setInputWindowInfoIfNeeded(SurfaceControl.Transaction t, SurfaceControl sc, |
| InputWindowHandleWrapper inputWindowHandle) { |
| if (DEBUG_INPUT) { |
| Slog.d(TAG_WM, "Update InputWindowHandle: " + inputWindowHandle); |
| } |
| if (inputWindowHandle.isChanged()) { |
| inputWindowHandle.applyChangesToSurface(t, sc); |
| } |
| } |
| |
| static void populateOverlayInputInfo(InputWindowHandleWrapper inputWindowHandle, |
| WindowState w) { |
| populateOverlayInputInfo(inputWindowHandle); |
| inputWindowHandle.setTouchOcclusionMode(w.getTouchOcclusionMode()); |
| } |
| |
| // This would reset InputWindowHandle fields to prevent it could be found by input event. |
| // We need to check if any new field of InputWindowHandle could impact the result. |
| @VisibleForTesting |
| static void populateOverlayInputInfo(InputWindowHandleWrapper inputWindowHandle) { |
| inputWindowHandle.setDispatchingTimeoutMillis(0); // It should never receive input. |
| inputWindowHandle.setFocusable(false); |
| // The input window handle without input channel must not have a token. |
| inputWindowHandle.setToken(null); |
| inputWindowHandle.setScaleFactor(1f); |
| final int defaultType = WindowManager.LayoutParams.TYPE_APPLICATION; |
| inputWindowHandle.setLayoutParamsType(defaultType); |
| inputWindowHandle.setInputConfigMasked( |
| InputConfigAdapter.getInputConfigFromWindowParams( |
| defaultType, |
| FLAG_NOT_TOUCHABLE, |
| INPUT_FEATURE_NO_INPUT_CHANNEL), |
| InputConfigAdapter.getMask()); |
| inputWindowHandle.clearTouchableRegion(); |
| inputWindowHandle.setTouchableRegionCrop(null); |
| } |
| |
| /** |
| * Helper function to generate an InputInfo with type SECURE_SYSTEM_OVERLAY. This input |
| * info will not have an input channel or be touchable, but is used to omit Surfaces |
| * from occlusion detection, so that System global overlays like the Watermark aren't |
| * counted by the InputDispatcher as occluding applications below. |
| */ |
| static void setTrustedOverlayInputInfo(SurfaceControl sc, SurfaceControl.Transaction t, |
| int displayId, String name) { |
| final InputWindowHandleWrapper inputWindowHandle = new InputWindowHandleWrapper( |
| new InputWindowHandle(null /* inputApplicationHandle */, displayId)); |
| inputWindowHandle.setName(name); |
| inputWindowHandle.setLayoutParamsType(TYPE_SECURE_SYSTEM_OVERLAY); |
| inputWindowHandle.setTrustedOverlay(t, sc, true); |
| populateOverlayInputInfo(inputWindowHandle); |
| setInputWindowInfoIfNeeded(t, sc, inputWindowHandle); |
| } |
| |
| static boolean isTrustedOverlay(int type) { |
| return type == TYPE_ACCESSIBILITY_MAGNIFICATION_OVERLAY |
| || type == TYPE_INPUT_METHOD || type == TYPE_INPUT_METHOD_DIALOG |
| || type == TYPE_MAGNIFICATION_OVERLAY || type == TYPE_STATUS_BAR |
| || type == TYPE_NOTIFICATION_SHADE |
| || type == TYPE_NAVIGATION_BAR |
| || type == TYPE_NAVIGATION_BAR_PANEL |
| || type == TYPE_SECURE_SYSTEM_OVERLAY |
| || type == TYPE_DOCK_DIVIDER |
| || type == TYPE_ACCESSIBILITY_OVERLAY |
| || type == TYPE_INPUT_CONSUMER |
| || type == TYPE_VOICE_INTERACTION |
| || type == TYPE_STATUS_BAR_ADDITIONAL; |
| } |
| } |
