| /* |
| * Copyright (C) 2018 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.inputmethod; |
| |
| import static android.Manifest.permission.INTERACT_ACROSS_USERS_FULL; |
| import static android.view.WindowManager.LayoutParams.TYPE_INPUT_METHOD; |
| |
| import static java.lang.annotation.RetentionPolicy.SOURCE; |
| |
| import android.annotation.AnyThread; |
| import android.annotation.BinderThread; |
| import android.annotation.IntDef; |
| import android.annotation.MainThread; |
| import android.annotation.Nullable; |
| import android.annotation.UserIdInt; |
| import android.annotation.WorkerThread; |
| import android.app.AppOpsManager; |
| import android.app.Notification; |
| import android.app.NotificationManager; |
| import android.app.PendingIntent; |
| import android.content.BroadcastReceiver; |
| import android.content.ComponentName; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.content.ServiceConnection; |
| import android.content.pm.ApplicationInfo; |
| import android.content.pm.PackageManager; |
| import android.content.pm.ResolveInfo; |
| import android.content.pm.ServiceInfo; |
| import android.inputmethodservice.MultiClientInputMethodServiceDelegate; |
| import android.net.Uri; |
| import android.os.Binder; |
| import android.os.Build; |
| import android.os.Bundle; |
| import android.os.Debug; |
| import android.os.Handler; |
| import android.os.HandlerThread; |
| import android.os.IBinder; |
| import android.os.RemoteException; |
| import android.os.ResultReceiver; |
| import android.os.ShellCallback; |
| import android.os.UserHandle; |
| import android.provider.Settings; |
| import android.text.TextUtils; |
| import android.util.ArrayMap; |
| import android.util.ArraySet; |
| import android.util.Slog; |
| import android.util.SparseArray; |
| import android.view.InputChannel; |
| import android.view.WindowManager.LayoutParams.SoftInputModeFlags; |
| import android.view.inputmethod.EditorInfo; |
| import android.view.inputmethod.InputConnectionInspector.MissingMethodFlags; |
| import android.view.inputmethod.InputMethodInfo; |
| import android.view.inputmethod.InputMethodSubtype; |
| import android.view.inputmethod.InputMethodSystemProperty; |
| |
| import com.android.internal.R; |
| import com.android.internal.annotations.GuardedBy; |
| import com.android.internal.inputmethod.IMultiClientInputMethod; |
| import com.android.internal.inputmethod.IMultiClientInputMethodPrivilegedOperations; |
| import com.android.internal.inputmethod.IMultiClientInputMethodSession; |
| import com.android.internal.inputmethod.StartInputFlags; |
| import com.android.internal.inputmethod.StartInputReason; |
| import com.android.internal.inputmethod.UnbindReason; |
| import com.android.internal.messages.nano.SystemMessageProto; |
| import com.android.internal.notification.SystemNotificationChannels; |
| import com.android.internal.os.TransferPipe; |
| import com.android.internal.util.DumpUtils; |
| import com.android.internal.util.IndentingPrintWriter; |
| import com.android.internal.util.function.pooled.PooledLambda; |
| import com.android.internal.view.IInputContext; |
| import com.android.internal.view.IInputMethodClient; |
| import com.android.internal.view.IInputMethodManager; |
| import com.android.internal.view.IInputMethodSession; |
| import com.android.internal.view.InputBindResult; |
| import com.android.server.LocalServices; |
| import com.android.server.SystemService; |
| import com.android.server.wm.WindowManagerInternal; |
| |
| import java.io.FileDescriptor; |
| import java.io.IOException; |
| import java.io.PrintWriter; |
| import java.lang.annotation.Retention; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.WeakHashMap; |
| |
| /** |
| * Actual implementation of multi-client InputMethodManagerService. |
| * |
| * <p>This system service is intentionally compatible with {@link InputMethodManagerService} so that |
| * we can switch the implementation at the boot time.</p> |
| */ |
| public final class MultiClientInputMethodManagerService { |
| private static final String TAG = "MultiClientInputMethodManagerService"; |
| private static final boolean DEBUG = false; |
| |
| private static final String PER_DISPLAY_FOCUS_DISABLED_WARNING_TITLE = |
| "config_perDisplayFocusEnabled is not true."; |
| |
| private static final String PER_DISPLAY_FOCUS_DISABLED_WARNING_MSG = |
| "Consider rebuilding the system image after enabling config_perDisplayFocusEnabled to " |
| + "make IME focus compatible with multi-client IME mode."; |
| |
| private static final long RECONNECT_DELAY_MSEC = 1000; |
| |
| /** |
| * Unlike {@link InputMethodManagerService}, {@link MultiClientInputMethodManagerService} |
| * always binds to the IME with {@link Context#BIND_FOREGROUND_SERVICE} for now for simplicity. |
| */ |
| private static final int IME_CONNECTION_UNIFIED_BIND_FLAGS = |
| Context.BIND_AUTO_CREATE |
| | Context.BIND_NOT_VISIBLE |
| | Context.BIND_NOT_FOREGROUND |
| | Context.BIND_FOREGROUND_SERVICE; |
| |
| private static final ComponentName sImeComponentName = |
| InputMethodSystemProperty.sMultiClientImeComponentName; |
| |
| private static void reportNotSupported() { |
| if (DEBUG) { |
| Slog.d(TAG, "non-supported operation. callers=" + Debug.getCallers(3)); |
| } |
| } |
| |
| /** |
| * {@link MultiClientInputMethodManagerService} is not intended to be instantiated. |
| */ |
| private MultiClientInputMethodManagerService() { |
| } |
| |
| /** |
| * The implementation of {@link SystemService} for multi-client IME. |
| */ |
| public static final class Lifecycle extends SystemService { |
| private final ApiCallbacks mApiCallbacks; |
| private final OnWorkerThreadCallback mOnWorkerThreadCallback; |
| |
| @MainThread |
| public Lifecycle(Context context) { |
| super(context); |
| |
| final UserToInputMethodInfoMap userIdToInputMethodInfoMapper = |
| new UserToInputMethodInfoMap(); |
| final UserDataMap userDataMap = new UserDataMap(); |
| final HandlerThread workerThread = new HandlerThread(TAG); |
| workerThread.start(); |
| mApiCallbacks = new ApiCallbacks(context, userDataMap, userIdToInputMethodInfoMapper); |
| mOnWorkerThreadCallback = new OnWorkerThreadCallback( |
| context, userDataMap, userIdToInputMethodInfoMapper, |
| new Handler(workerThread.getLooper(), msg -> false, true)); |
| |
| LocalServices.addService(InputMethodManagerInternal.class, |
| new InputMethodManagerInternal() { |
| @Override |
| public void setInteractive(boolean interactive) { |
| reportNotSupported(); |
| } |
| |
| @Override |
| public void hideCurrentInputMethod() { |
| reportNotSupported(); |
| } |
| |
| @Override |
| public List<InputMethodInfo> getInputMethodListAsUser( |
| @UserIdInt int userId) { |
| return userIdToInputMethodInfoMapper.getAsList(userId); |
| } |
| |
| @Override |
| public List<InputMethodInfo> getEnabledInputMethodListAsUser( |
| @UserIdInt int userId) { |
| return userIdToInputMethodInfoMapper.getAsList(userId); |
| } |
| }); |
| } |
| |
| @MainThread |
| @Override |
| public void onBootPhase(int phase) { |
| mOnWorkerThreadCallback.getHandler().sendMessage(PooledLambda.obtainMessage( |
| OnWorkerThreadCallback::onBootPhase, mOnWorkerThreadCallback, phase)); |
| } |
| |
| @MainThread |
| @Override |
| public void onStart() { |
| publishBinderService(Context.INPUT_METHOD_SERVICE, mApiCallbacks); |
| } |
| |
| @MainThread |
| @Override |
| public void onStartUser(@UserIdInt int userId) { |
| mOnWorkerThreadCallback.getHandler().sendMessage(PooledLambda.obtainMessage( |
| OnWorkerThreadCallback::onStartUser, mOnWorkerThreadCallback, userId)); |
| } |
| |
| @MainThread |
| @Override |
| public void onUnlockUser(@UserIdInt int userId) { |
| mOnWorkerThreadCallback.getHandler().sendMessage(PooledLambda.obtainMessage( |
| OnWorkerThreadCallback::onUnlockUser, mOnWorkerThreadCallback, userId)); |
| } |
| |
| @MainThread |
| @Override |
| public void onStopUser(@UserIdInt int userId) { |
| mOnWorkerThreadCallback.getHandler().sendMessage(PooledLambda.obtainMessage( |
| OnWorkerThreadCallback::onStopUser, mOnWorkerThreadCallback, userId)); |
| } |
| } |
| |
| private static final class OnWorkerThreadCallback { |
| private final Context mContext; |
| private final UserDataMap mUserDataMap; |
| private final UserToInputMethodInfoMap mInputMethodInfoMap; |
| private final Handler mHandler; |
| |
| OnWorkerThreadCallback(Context context, UserDataMap userDataMap, |
| UserToInputMethodInfoMap inputMethodInfoMap, Handler handler) { |
| mContext = context; |
| mUserDataMap = userDataMap; |
| mInputMethodInfoMap = inputMethodInfoMap; |
| mHandler = handler; |
| } |
| |
| @AnyThread |
| Handler getHandler() { |
| return mHandler; |
| } |
| |
| @WorkerThread |
| private void tryBindInputMethodService(@UserIdInt int userId) { |
| final PerUserData data = mUserDataMap.get(userId); |
| if (data == null) { |
| Slog.i(TAG, "tryBindInputMethodService is called for an unknown user=" + userId); |
| return; |
| } |
| |
| final InputMethodInfo imi = queryInputMethod(mContext, userId, sImeComponentName); |
| if (imi == null) { |
| Slog.w(TAG, "Multi-client InputMethod is not found. component=" |
| + sImeComponentName); |
| synchronized (data.mLock) { |
| switch (data.mState) { |
| case PerUserState.USER_LOCKED: |
| case PerUserState.SERVICE_NOT_QUERIED: |
| case PerUserState.SERVICE_RECOGNIZED: |
| case PerUserState.UNBIND_CALLED: |
| // Safe to clean up. |
| mInputMethodInfoMap.remove(userId); |
| break; |
| } |
| } |
| return; |
| } |
| |
| synchronized (data.mLock) { |
| switch (data.mState) { |
| case PerUserState.USER_LOCKED: |
| // If the user is still locked, we currently do not try to start IME. |
| return; |
| case PerUserState.SERVICE_NOT_QUERIED: |
| case PerUserState.SERVICE_RECOGNIZED: |
| case PerUserState.UNBIND_CALLED: |
| break; |
| case PerUserState.WAITING_SERVICE_CONNECTED: |
| case PerUserState.SERVICE_CONNECTED: |
| // OK, nothing to do. |
| return; |
| default: |
| Slog.wtf(TAG, "Unknown state=" + data.mState); |
| return; |
| } |
| data.mState = PerUserState.SERVICE_RECOGNIZED; |
| data.mCurrentInputMethodInfo = imi; |
| mInputMethodInfoMap.put(userId, imi); |
| final boolean bindResult = data.bindServiceLocked(mContext, userId); |
| if (!bindResult) { |
| Slog.e(TAG, "Failed to bind Multi-client InputMethod."); |
| return; |
| } |
| data.mState = PerUserState.WAITING_SERVICE_CONNECTED; |
| } |
| } |
| |
| @WorkerThread |
| void onStartUser(@UserIdInt int userId) { |
| if (DEBUG) { |
| Slog.v(TAG, "onStartUser userId=" + userId); |
| } |
| final PerUserData data = new PerUserData(userId, null, PerUserState.USER_LOCKED, this); |
| mUserDataMap.put(userId, data); |
| } |
| |
| @WorkerThread |
| void onUnlockUser(@UserIdInt int userId) { |
| if (DEBUG) { |
| Slog.v(TAG, "onUnlockUser() userId=" + userId); |
| } |
| final PerUserData data = mUserDataMap.get(userId); |
| if (data == null) { |
| Slog.i(TAG, "onUnlockUser is called for an unknown user=" + userId); |
| return; |
| } |
| synchronized (data.mLock) { |
| switch (data.mState) { |
| case PerUserState.USER_LOCKED: |
| data.mState = PerUserState.SERVICE_NOT_QUERIED; |
| tryBindInputMethodService(userId); |
| break; |
| default: |
| Slog.wtf(TAG, "Unknown state=" + data.mState); |
| break; |
| } |
| } |
| } |
| |
| @WorkerThread |
| void onStopUser(@UserIdInt int userId) { |
| if (DEBUG) { |
| Slog.v(TAG, "onStopUser() userId=" + userId); |
| } |
| mInputMethodInfoMap.remove(userId); |
| final PerUserData data = mUserDataMap.removeReturnOld(userId); |
| if (data == null) { |
| Slog.i(TAG, "onStopUser is called for an unknown user=" + userId); |
| return; |
| } |
| synchronized (data.mLock) { |
| switch (data.mState) { |
| case PerUserState.USER_LOCKED: |
| case PerUserState.SERVICE_RECOGNIZED: |
| case PerUserState.UNBIND_CALLED: |
| // OK, nothing to do. |
| return; |
| case PerUserState.SERVICE_CONNECTED: |
| case PerUserState.WAITING_SERVICE_CONNECTED: |
| break; |
| default: |
| Slog.wtf(TAG, "Unknown state=" + data.mState); |
| break; |
| } |
| data.unbindServiceLocked(mContext); |
| data.mState = PerUserState.UNBIND_CALLED; |
| data.mCurrentInputMethod = null; |
| |
| // When a Service is explicitly unbound with Context.unbindService(), |
| // onServiceDisconnected() will not be triggered. Hence here we explicitly call |
| // onInputMethodDisconnectedLocked() as if the Service is already gone. |
| data.onInputMethodDisconnectedLocked(); |
| } |
| } |
| |
| @WorkerThread |
| void onServiceConnected(PerUserData data, IMultiClientInputMethod service) { |
| if (DEBUG) { |
| Slog.v(TAG, "onServiceConnected() data.mUserId=" + data.mUserId); |
| } |
| synchronized (data.mLock) { |
| switch (data.mState) { |
| case PerUserState.UNBIND_CALLED: |
| // We should ignore this callback. |
| return; |
| case PerUserState.WAITING_SERVICE_CONNECTED: |
| // OK. |
| data.mState = PerUserState.SERVICE_CONNECTED; |
| data.mCurrentInputMethod = service; |
| try { |
| data.mCurrentInputMethod.initialize(new ImeCallbacks(data)); |
| } catch (RemoteException e) { |
| } |
| data.onInputMethodConnectedLocked(); |
| break; |
| default: |
| Slog.wtf(TAG, "Unknown state=" + data.mState); |
| return; |
| } |
| } |
| } |
| |
| @WorkerThread |
| void onServiceDisconnected(PerUserData data) { |
| if (DEBUG) { |
| Slog.v(TAG, "onServiceDisconnected() data.mUserId=" + data.mUserId); |
| } |
| final WindowManagerInternal windowManagerInternal = |
| LocalServices.getService(WindowManagerInternal.class); |
| synchronized (data.mLock) { |
| // We assume the number of tokens would not be that large (up to 10 or so) hence |
| // linear search should be acceptable. |
| final int numTokens = data.mDisplayIdToImeWindowTokenMap.size(); |
| for (int i = 0; i < numTokens; ++i) { |
| final TokenInfo info = data.mDisplayIdToImeWindowTokenMap.valueAt(i); |
| windowManagerInternal.removeWindowToken(info.mToken, false, info.mDisplayId); |
| } |
| data.mDisplayIdToImeWindowTokenMap.clear(); |
| switch (data.mState) { |
| case PerUserState.UNBIND_CALLED: |
| // We should ignore this callback. |
| return; |
| case PerUserState.WAITING_SERVICE_CONNECTED: |
| case PerUserState.SERVICE_CONNECTED: |
| // onServiceDisconnected() means the biding is still alive. |
| data.mState = PerUserState.WAITING_SERVICE_CONNECTED; |
| data.mCurrentInputMethod = null; |
| data.onInputMethodDisconnectedLocked(); |
| break; |
| default: |
| Slog.wtf(TAG, "Unknown state=" + data.mState); |
| return; |
| } |
| } |
| } |
| |
| @WorkerThread |
| void onBindingDied(PerUserData data) { |
| if (DEBUG) { |
| Slog.v(TAG, "onBindingDied() data.mUserId=" + data.mUserId); |
| } |
| final WindowManagerInternal windowManagerInternal = |
| LocalServices.getService(WindowManagerInternal.class); |
| synchronized (data.mLock) { |
| // We assume the number of tokens would not be that large (up to 10 or so) hence |
| // linear search should be acceptable. |
| final int numTokens = data.mDisplayIdToImeWindowTokenMap.size(); |
| for (int i = 0; i < numTokens; ++i) { |
| final TokenInfo info = data.mDisplayIdToImeWindowTokenMap.valueAt(i); |
| windowManagerInternal.removeWindowToken(info.mToken, false, info.mDisplayId); |
| } |
| data.mDisplayIdToImeWindowTokenMap.clear(); |
| switch (data.mState) { |
| case PerUserState.UNBIND_CALLED: |
| // We should ignore this callback. |
| return; |
| case PerUserState.WAITING_SERVICE_CONNECTED: |
| case PerUserState.SERVICE_CONNECTED: { |
| // onBindingDied() means the biding is dead. |
| data.mState = PerUserState.UNBIND_CALLED; |
| data.mCurrentInputMethod = null; |
| data.onInputMethodDisconnectedLocked(); |
| // Schedule a retry |
| mHandler.sendMessageDelayed(PooledLambda.obtainMessage( |
| OnWorkerThreadCallback::tryBindInputMethodService, |
| this, data.mUserId), RECONNECT_DELAY_MSEC); |
| break; |
| } |
| default: |
| Slog.wtf(TAG, "Unknown state=" + data.mState); |
| return; |
| } |
| } |
| } |
| |
| @WorkerThread |
| void onBootPhase(int phase) { |
| if (DEBUG) { |
| Slog.v(TAG, "onBootPhase() phase=" + phase); |
| } |
| switch (phase) { |
| case SystemService.PHASE_ACTIVITY_MANAGER_READY: { |
| final IntentFilter filter = new IntentFilter(Intent.ACTION_PACKAGE_ADDED); |
| filter.addDataScheme("package"); |
| mContext.registerReceiver(new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| onPackageAdded(intent); |
| } |
| }, filter, null, mHandler); |
| break; |
| } |
| case SystemService.PHASE_BOOT_COMPLETED: { |
| final boolean perDisplayFocusEnabled = mContext.getResources().getBoolean( |
| com.android.internal.R.bool.config_perDisplayFocusEnabled); |
| if (!perDisplayFocusEnabled) { |
| final Bundle extras = new Bundle(); |
| extras.putBoolean(Notification.EXTRA_ALLOW_DURING_SETUP, true); |
| mContext.getSystemService(NotificationManager.class).notifyAsUser(TAG, |
| SystemMessageProto.SystemMessage.NOTE_SELECT_INPUT_METHOD, |
| new Notification.Builder(mContext, |
| SystemNotificationChannels.VIRTUAL_KEYBOARD) |
| .setContentTitle(PER_DISPLAY_FOCUS_DISABLED_WARNING_TITLE) |
| .setStyle(new Notification.BigTextStyle() |
| .bigText(PER_DISPLAY_FOCUS_DISABLED_WARNING_MSG)) |
| .setSmallIcon(R.drawable.ic_notification_ime_default) |
| .setWhen(0) |
| .setOngoing(true) |
| .setLocalOnly(true) |
| .addExtras(extras) |
| .setCategory(Notification.CATEGORY_SYSTEM) |
| .setColor(mContext.getColor( |
| R.color.system_notification_accent_color)) |
| .build(), UserHandle.ALL); |
| } |
| break; |
| } |
| } |
| } |
| |
| @WorkerThread |
| void onPackageAdded(Intent intent) { |
| if (DEBUG) { |
| Slog.v(TAG, "onPackageAdded() intent=" + intent); |
| } |
| final Uri uri = intent.getData(); |
| if (uri == null) { |
| return; |
| } |
| if (!intent.hasExtra(Intent.EXTRA_UID)) { |
| return; |
| } |
| final String packageName = uri.getSchemeSpecificPart(); |
| if (sImeComponentName == null |
| || packageName == null |
| || !TextUtils.equals(sImeComponentName.getPackageName(), packageName)) { |
| return; |
| } |
| final int userId = UserHandle.getUserId(intent.getIntExtra(Intent.EXTRA_UID, 0)); |
| tryBindInputMethodService(userId); |
| } |
| } |
| |
| private static final class WindowInfo { |
| final IBinder mWindowToken; |
| final int mWindowHandle; |
| |
| WindowInfo(IBinder windowToken, int windowCookie) { |
| mWindowToken = windowToken; |
| mWindowHandle = windowCookie; |
| } |
| } |
| |
| /** |
| * Describes the state of each IME client. |
| */ |
| @Retention(SOURCE) |
| @IntDef({InputMethodClientState.REGISTERED, |
| InputMethodClientState.WAITING_FOR_IME_SESSION, |
| InputMethodClientState.READY_TO_SEND_FIRST_BIND_RESULT, |
| InputMethodClientState.ALREADY_SENT_BIND_RESULT, |
| InputMethodClientState.UNREGISTERED}) |
| private @interface InputMethodClientState { |
| /** |
| * {@link IInputMethodManager#addClient(IInputMethodClient, IInputContext, int)} is called |
| * and this client is now recognized by the system. When the system lost the connection to |
| * the current IME, all the clients need to be re-initialized from this state. |
| */ |
| int REGISTERED = 1; |
| /** |
| * This client is notified to the current IME with {@link |
| * IMultiClientInputMethod#addClient(int, int, int, int)} but the IME is not yet responded |
| * with {@link IMultiClientInputMethodPrivilegedOperations#acceptClient(int, |
| * IInputMethodSession, IMultiClientInputMethodSession, InputChannel)}. |
| */ |
| int WAITING_FOR_IME_SESSION = 2; |
| /** |
| * This client is already accepted by the IME but a valid {@link InputBindResult} has not |
| * been returned to the client yet. |
| */ |
| int READY_TO_SEND_FIRST_BIND_RESULT = 3; |
| /** |
| * This client has already received a valid {@link InputBindResult} at least once. This |
| * means that the client can directly call {@link IInputMethodSession} IPCs and key events |
| * via {@link InputChannel}. When the current IME is unbound, these client end points also |
| * need to be cleared. |
| */ |
| int ALREADY_SENT_BIND_RESULT = 4; |
| /** |
| * The client process is dying. |
| */ |
| int UNREGISTERED = 5; |
| } |
| |
| private static final class InputMethodClientIdSource { |
| @GuardedBy("InputMethodClientIdSource.class") |
| private static int sNextValue = 0; |
| |
| private InputMethodClientIdSource() { |
| } |
| |
| static synchronized int getNext() { |
| final int result = sNextValue; |
| sNextValue++; |
| if (sNextValue < 0) { |
| sNextValue = 0; |
| } |
| return result; |
| } |
| } |
| |
| private static final class WindowHandleSource { |
| @GuardedBy("WindowHandleSource.class") |
| private static int sNextValue = 0; |
| |
| private WindowHandleSource() { |
| } |
| |
| static synchronized int getNext() { |
| final int result = sNextValue; |
| sNextValue++; |
| if (sNextValue < 0) { |
| sNextValue = 0; |
| } |
| return result; |
| } |
| } |
| |
| private static final class InputMethodClientInfo { |
| final IInputMethodClient mClient; |
| final int mUid; |
| final int mPid; |
| final int mSelfReportedDisplayId; |
| final int mClientId; |
| |
| @GuardedBy("PerUserData.mLock") |
| @InputMethodClientState |
| int mState; |
| @GuardedBy("PerUserData.mLock") |
| int mBindingSequence; |
| @GuardedBy("PerUserData.mLock") |
| InputChannel mWriteChannel; |
| @GuardedBy("PerUserData.mLock") |
| IInputMethodSession mInputMethodSession; |
| @GuardedBy("PerUserData.mLock") |
| IMultiClientInputMethodSession mMSInputMethodSession; |
| @GuardedBy("PerUserData.mLock") |
| final WeakHashMap<IBinder, WindowInfo> mWindowMap = new WeakHashMap<>(); |
| |
| InputMethodClientInfo(IInputMethodClient client, int uid, int pid, |
| int selfReportedDisplayId) { |
| mClient = client; |
| mUid = uid; |
| mPid = pid; |
| mSelfReportedDisplayId = selfReportedDisplayId; |
| mClientId = InputMethodClientIdSource.getNext(); |
| } |
| |
| @GuardedBy("PerUserData.mLock") |
| void dumpLocked(FileDescriptor fd, IndentingPrintWriter ipw, String[] args) { |
| ipw.println("mState=" + mState + ",mBindingSequence=" + mBindingSequence |
| + ",mWriteChannel=" + mWriteChannel |
| + ",mInputMethodSession=" + mInputMethodSession |
| + ",mMSInputMethodSession=" + mMSInputMethodSession); |
| } |
| } |
| |
| private static final class UserDataMap { |
| @GuardedBy("mMap") |
| private final SparseArray<PerUserData> mMap = new SparseArray<>(); |
| |
| @AnyThread |
| @Nullable |
| PerUserData get(@UserIdInt int userId) { |
| synchronized (mMap) { |
| return mMap.get(userId); |
| } |
| } |
| |
| @AnyThread |
| void put(@UserIdInt int userId, PerUserData data) { |
| synchronized (mMap) { |
| mMap.put(userId, data); |
| } |
| } |
| |
| @AnyThread |
| @Nullable |
| PerUserData removeReturnOld(@UserIdInt int userId) { |
| synchronized (mMap) { |
| return mMap.removeReturnOld(userId); |
| } |
| } |
| |
| @AnyThread |
| void dump(FileDescriptor fd, IndentingPrintWriter ipw, String[] args) { |
| synchronized (mMap) { |
| for (int i = 0; i < mMap.size(); i++) { |
| int userId = mMap.keyAt(i); |
| PerUserData data = mMap.valueAt(i); |
| ipw.println("userId=" + userId + ", data="); |
| if (data != null) { |
| ipw.increaseIndent(); |
| data.dump(fd, ipw, args); |
| ipw.decreaseIndent(); |
| } |
| } |
| } |
| } |
| } |
| |
| private static final class TokenInfo { |
| final Binder mToken; |
| final int mDisplayId; |
| TokenInfo(Binder token, int displayId) { |
| mToken = token; |
| mDisplayId = displayId; |
| } |
| } |
| |
| @Retention(SOURCE) |
| @IntDef({ |
| PerUserState.USER_LOCKED, |
| PerUserState.SERVICE_NOT_QUERIED, |
| PerUserState.SERVICE_RECOGNIZED, |
| PerUserState.WAITING_SERVICE_CONNECTED, |
| PerUserState.SERVICE_CONNECTED, |
| PerUserState.UNBIND_CALLED}) |
| private @interface PerUserState { |
| /** |
| * The user is still locked. |
| */ |
| int USER_LOCKED = 1; |
| /** |
| * The system has not queried whether there is a multi-client IME or not. |
| */ |
| int SERVICE_NOT_QUERIED = 2; |
| /** |
| * A multi-client IME specified in {@link #PROP_DEBUG_MULTI_CLIENT_IME} is found in the |
| * system, but not bound yet. |
| */ |
| int SERVICE_RECOGNIZED = 3; |
| /** |
| * {@link Context#bindServiceAsUser(Intent, ServiceConnection, int, Handler, UserHandle)} is |
| * already called for the IME but |
| * {@link ServiceConnection#onServiceConnected(ComponentName, IBinder)} is not yet called |
| * back. This includes once the IME is bound but temporarily disconnected as notified with |
| * {@link ServiceConnection#onServiceDisconnected(ComponentName)}. |
| */ |
| int WAITING_SERVICE_CONNECTED = 4; |
| /** |
| * {@link ServiceConnection#onServiceConnected(ComponentName, IBinder)} is already called |
| * back. The IME is ready to be used. |
| */ |
| int SERVICE_CONNECTED = 5; |
| /** |
| * The binding is gone. Either {@link Context#unbindService(ServiceConnection)} is |
| * explicitly called or the system decided to destroy the binding as notified with |
| * {@link ServiceConnection#onBindingDied(ComponentName)}. |
| */ |
| int UNBIND_CALLED = 6; |
| } |
| |
| /** |
| * Takes care of per-user state separation. |
| */ |
| private static final class PerUserData { |
| final Object mLock = new Object(); |
| |
| /** |
| * User ID (not UID) that is associated with this data. |
| */ |
| @UserIdInt |
| private final int mUserId; |
| |
| /** |
| * {@link IMultiClientInputMethod} of the currently connected multi-client IME. This |
| * must be non-{@code null} only while {@link #mState} is |
| * {@link PerUserState#SERVICE_CONNECTED}. |
| */ |
| @Nullable |
| @GuardedBy("mLock") |
| IMultiClientInputMethod mCurrentInputMethod; |
| |
| /** |
| * {@link InputMethodInfo} of the currently selected multi-client IME. This must be |
| * non-{@code null} unless {@link #mState} is {@link PerUserState#SERVICE_NOT_QUERIED}. |
| */ |
| @GuardedBy("mLock") |
| @Nullable |
| InputMethodInfo mCurrentInputMethodInfo; |
| |
| /** |
| * Describes the current service state. |
| */ |
| @GuardedBy("mLock") |
| @PerUserState |
| int mState; |
| |
| /** |
| * A {@link SparseArray} that maps display ID to IME Window token that is already issued to |
| * the IME. |
| */ |
| @GuardedBy("mLock") |
| final ArraySet<TokenInfo> mDisplayIdToImeWindowTokenMap = new ArraySet<>(); |
| |
| @GuardedBy("mLock") |
| private final ArrayMap<IBinder, InputMethodClientInfo> mClientMap = new ArrayMap<>(); |
| |
| @GuardedBy("mLock") |
| private SparseArray<InputMethodClientInfo> mClientIdToClientMap = new SparseArray<>(); |
| |
| private final OnWorkerThreadServiceConnection mOnWorkerThreadServiceConnection; |
| |
| /** |
| * A {@link ServiceConnection} that is designed to run on a certain worker thread with |
| * which {@link OnWorkerThreadCallback} is associated. |
| * |
| * @see Context#bindServiceAsUser(Intent, ServiceConnection, int, Handler, UserHandle). |
| */ |
| private static final class OnWorkerThreadServiceConnection implements ServiceConnection { |
| private final PerUserData mData; |
| private final OnWorkerThreadCallback mCallback; |
| |
| OnWorkerThreadServiceConnection(PerUserData data, OnWorkerThreadCallback callback) { |
| mData = data; |
| mCallback = callback; |
| } |
| |
| @WorkerThread |
| @Override |
| public void onServiceConnected(ComponentName name, IBinder service) { |
| mCallback.onServiceConnected(mData, |
| IMultiClientInputMethod.Stub.asInterface(service)); |
| } |
| |
| @WorkerThread |
| @Override |
| public void onServiceDisconnected(ComponentName name) { |
| mCallback.onServiceDisconnected(mData); |
| } |
| |
| @WorkerThread |
| @Override |
| public void onBindingDied(ComponentName name) { |
| mCallback.onBindingDied(mData); |
| } |
| |
| Handler getHandler() { |
| return mCallback.getHandler(); |
| } |
| } |
| |
| PerUserData(@UserIdInt int userId, @Nullable InputMethodInfo inputMethodInfo, |
| @PerUserState int initialState, OnWorkerThreadCallback callback) { |
| mUserId = userId; |
| mCurrentInputMethodInfo = inputMethodInfo; |
| mState = initialState; |
| mOnWorkerThreadServiceConnection = |
| new OnWorkerThreadServiceConnection(this, callback); |
| } |
| |
| @GuardedBy("mLock") |
| boolean bindServiceLocked(Context context, @UserIdInt int userId) { |
| final Intent intent = |
| new Intent(MultiClientInputMethodServiceDelegate.SERVICE_INTERFACE) |
| .setComponent(mCurrentInputMethodInfo.getComponent()) |
| .putExtra(Intent.EXTRA_CLIENT_LABEL, |
| com.android.internal.R.string.input_method_binding_label) |
| .putExtra(Intent.EXTRA_CLIENT_INTENT, PendingIntent.getActivity( |
| context, 0, |
| new Intent(Settings.ACTION_INPUT_METHOD_SETTINGS), 0)); |
| |
| // Note: Instead of re-dispatching callback from the main thread to the worker thread |
| // where OnWorkerThreadCallback is running, we pass the Handler object here so that |
| // the callbacks will be directly dispatched to the worker thread. |
| return context.bindServiceAsUser(intent, mOnWorkerThreadServiceConnection, |
| IME_CONNECTION_UNIFIED_BIND_FLAGS, |
| mOnWorkerThreadServiceConnection.getHandler(), UserHandle.of(userId)); |
| } |
| |
| @GuardedBy("mLock") |
| void unbindServiceLocked(Context context) { |
| context.unbindService(mOnWorkerThreadServiceConnection); |
| } |
| |
| @GuardedBy("mLock") |
| @Nullable |
| InputMethodClientInfo getClientLocked(IInputMethodClient client) { |
| return mClientMap.get(client.asBinder()); |
| } |
| |
| @GuardedBy("mLock") |
| @Nullable |
| InputMethodClientInfo getClientFromIdLocked(int clientId) { |
| return mClientIdToClientMap.get(clientId); |
| } |
| |
| @GuardedBy("mLock") |
| @Nullable |
| InputMethodClientInfo removeClientLocked(IInputMethodClient client) { |
| final InputMethodClientInfo info = mClientMap.remove(client.asBinder()); |
| if (info != null) { |
| mClientIdToClientMap.remove(info.mClientId); |
| } |
| return info; |
| } |
| |
| @GuardedBy("mLock") |
| void addClientLocked(int uid, int pid, IInputMethodClient client, |
| int selfReportedDisplayId) { |
| if (getClientLocked(client) != null) { |
| Slog.wtf(TAG, "The same client is added multiple times"); |
| return; |
| } |
| final ClientDeathRecipient deathRecipient = new ClientDeathRecipient(this, client); |
| try { |
| client.asBinder().linkToDeath(deathRecipient, 0); |
| } catch (RemoteException e) { |
| throw new IllegalStateException(e); |
| } |
| final InputMethodClientInfo clientInfo = |
| new InputMethodClientInfo(client, uid, pid, selfReportedDisplayId); |
| clientInfo.mState = InputMethodClientState.REGISTERED; |
| mClientMap.put(client.asBinder(), clientInfo); |
| mClientIdToClientMap.put(clientInfo.mClientId, clientInfo); |
| switch (mState) { |
| case PerUserState.SERVICE_CONNECTED: |
| try { |
| mCurrentInputMethod.addClient( |
| clientInfo.mClientId, clientInfo.mPid, clientInfo.mUid, |
| clientInfo.mSelfReportedDisplayId); |
| clientInfo.mState = InputMethodClientState.WAITING_FOR_IME_SESSION; |
| } catch (RemoteException e) { |
| // TODO(yukawa): Need logging and expected behavior |
| } |
| break; |
| } |
| } |
| |
| @GuardedBy("mLock") |
| void onInputMethodConnectedLocked() { |
| final int numClients = mClientMap.size(); |
| for (int i = 0; i < numClients; ++i) { |
| final InputMethodClientInfo clientInfo = mClientMap.valueAt(i); |
| switch (clientInfo.mState) { |
| case InputMethodClientState.REGISTERED: |
| // OK |
| break; |
| default: |
| Slog.e(TAG, "Unexpected state=" + clientInfo.mState); |
| return; |
| } |
| try { |
| mCurrentInputMethod.addClient( |
| clientInfo.mClientId, clientInfo.mUid, clientInfo.mPid, |
| clientInfo.mSelfReportedDisplayId); |
| clientInfo.mState = InputMethodClientState.WAITING_FOR_IME_SESSION; |
| } catch (RemoteException e) { |
| } |
| } |
| } |
| |
| @GuardedBy("mLock") |
| void onInputMethodDisconnectedLocked() { |
| final int numClients = mClientMap.size(); |
| for (int i = 0; i < numClients; ++i) { |
| final InputMethodClientInfo clientInfo = mClientMap.valueAt(i); |
| switch (clientInfo.mState) { |
| case InputMethodClientState.REGISTERED: |
| // Disconnected before onInputMethodConnectedLocked(). |
| break; |
| case InputMethodClientState.WAITING_FOR_IME_SESSION: |
| // Disconnected between addClient() and acceptClient(). |
| clientInfo.mState = InputMethodClientState.REGISTERED; |
| break; |
| case InputMethodClientState.READY_TO_SEND_FIRST_BIND_RESULT: |
| clientInfo.mState = InputMethodClientState.REGISTERED; |
| clientInfo.mInputMethodSession = null; |
| clientInfo.mMSInputMethodSession = null; |
| if (clientInfo.mWriteChannel != null) { |
| clientInfo.mWriteChannel.dispose(); |
| clientInfo.mWriteChannel = null; |
| } |
| break; |
| case InputMethodClientState.ALREADY_SENT_BIND_RESULT: |
| try { |
| clientInfo.mClient.onUnbindMethod(clientInfo.mBindingSequence, |
| UnbindReason.DISCONNECT_IME); |
| } catch (RemoteException e) { |
| } |
| clientInfo.mState = InputMethodClientState.REGISTERED; |
| clientInfo.mInputMethodSession = null; |
| clientInfo.mMSInputMethodSession = null; |
| if (clientInfo.mWriteChannel != null) { |
| clientInfo.mWriteChannel.dispose(); |
| clientInfo.mWriteChannel = null; |
| } |
| break; |
| } |
| } |
| } |
| |
| @AnyThread |
| void dump(FileDescriptor fd, IndentingPrintWriter ipw, String[] args) { |
| synchronized (mLock) { |
| ipw.println("mState=" + mState |
| + ",mCurrentInputMethod=" + mCurrentInputMethod |
| + ",mCurrentInputMethodInfo=" + mCurrentInputMethodInfo); |
| |
| if (mCurrentInputMethod != null) { |
| // indentation will not be kept. So add visual separator here. |
| ipw.println(">>Dump CurrentInputMethod>>"); |
| ipw.flush(); |
| try { |
| TransferPipe.dumpAsync(mCurrentInputMethod.asBinder(), fd, args); |
| } catch (IOException | RemoteException e) { |
| ipw.println("Failed to dump input method service: " + e); |
| } |
| ipw.println("<<Dump CurrentInputMethod<<"); |
| } |
| |
| ipw.println("mDisplayIdToImeWindowTokenMap="); |
| for (TokenInfo info : mDisplayIdToImeWindowTokenMap) { |
| ipw.println(" display=" + info.mDisplayId + ",token=" |
| + info.mToken); |
| } |
| ipw.println("mClientMap="); |
| ipw.increaseIndent(); |
| for (int i = 0; i < mClientMap.size(); i++) { |
| |
| ipw.println("binder=" + mClientMap.keyAt(i)); |
| ipw.println(" InputMethodClientInfo="); |
| InputMethodClientInfo info = mClientMap.valueAt(i); |
| if (info != null) { |
| ipw.increaseIndent(); |
| info.dumpLocked(fd, ipw, args); |
| ipw.decreaseIndent(); |
| } |
| } |
| ipw.decreaseIndent(); |
| ipw.println("mClientIdToClientMap="); |
| ipw.increaseIndent(); |
| for (int i = 0; i < mClientIdToClientMap.size(); i++) { |
| ipw.println("clientId=" + mClientIdToClientMap.keyAt(i)); |
| ipw.println(" InputMethodClientInfo="); |
| InputMethodClientInfo info = mClientIdToClientMap.valueAt(i); |
| if (info != null) { |
| ipw.increaseIndent(); |
| info.dumpLocked(fd, ipw, args); |
| ipw.decreaseIndent(); |
| } |
| if (info.mClient != null) { |
| // indentation will not be kept. So add visual separator here. |
| ipw.println(">>DumpClientStart>>"); |
| ipw.flush(); // all writes should be flushed to guarantee order. |
| try { |
| TransferPipe.dumpAsync(info.mClient.asBinder(), fd, args); |
| } catch (IOException | RemoteException e) { |
| ipw.println(" Failed to dump client:" + e); |
| } |
| ipw.println("<<DumpClientEnd<<"); |
| } |
| } |
| ipw.decreaseIndent(); |
| } |
| } |
| |
| private static final class ClientDeathRecipient implements IBinder.DeathRecipient { |
| private final PerUserData mPerUserData; |
| private final IInputMethodClient mClient; |
| |
| ClientDeathRecipient(PerUserData perUserData, IInputMethodClient client) { |
| mPerUserData = perUserData; |
| mClient = client; |
| } |
| |
| @BinderThread |
| @Override |
| public void binderDied() { |
| synchronized (mPerUserData.mLock) { |
| mClient.asBinder().unlinkToDeath(this, 0); |
| |
| final InputMethodClientInfo clientInfo = |
| mPerUserData.removeClientLocked(mClient); |
| if (clientInfo == null) { |
| return; |
| } |
| |
| if (clientInfo.mWriteChannel != null) { |
| clientInfo.mWriteChannel.dispose(); |
| clientInfo.mWriteChannel = null; |
| } |
| if (clientInfo.mInputMethodSession != null) { |
| try { |
| clientInfo.mInputMethodSession.finishSession(); |
| } catch (RemoteException e) { |
| } |
| clientInfo.mInputMethodSession = null; |
| } |
| clientInfo.mMSInputMethodSession = null; |
| clientInfo.mState = InputMethodClientState.UNREGISTERED; |
| switch (mPerUserData.mState) { |
| case PerUserState.SERVICE_CONNECTED: |
| try { |
| mPerUserData.mCurrentInputMethod.removeClient(clientInfo.mClientId); |
| } catch (RemoteException e) { |
| // TODO(yukawa): Need logging and expected behavior |
| } |
| break; |
| } |
| } |
| } |
| } |
| } |
| |
| /** |
| * Queries for multi-client IME specified with {@code componentName}. |
| * |
| * @param context {@link Context} to be used to query component. |
| * @param userId User ID for which the multi-client IME is queried. |
| * @param componentName {@link ComponentName} to be queried. |
| * @return {@link InputMethodInfo} when multi-client IME is found. Otherwise {@code null}. |
| */ |
| @Nullable |
| private static InputMethodInfo queryInputMethod(Context context, @UserIdInt int userId, |
| @Nullable ComponentName componentName) { |
| if (componentName == null) { |
| return null; |
| } |
| |
| // Use for queryIntentServicesAsUser |
| final PackageManager pm = context.getPackageManager(); |
| final List<ResolveInfo> services = pm.queryIntentServicesAsUser( |
| new Intent(MultiClientInputMethodServiceDelegate.SERVICE_INTERFACE) |
| .setComponent(componentName), |
| PackageManager.GET_META_DATA, userId); |
| |
| if (services.isEmpty()) { |
| Slog.e(TAG, "No IME found"); |
| return null; |
| } |
| |
| if (services.size() > 1) { |
| Slog.e(TAG, "Only one IME service is supported."); |
| return null; |
| } |
| |
| final ResolveInfo ri = services.get(0); |
| ServiceInfo si = ri.serviceInfo; |
| final String imeId = InputMethodInfo.computeId(ri); |
| if (!android.Manifest.permission.BIND_INPUT_METHOD.equals(si.permission)) { |
| Slog.e(TAG, imeId + " must have required" |
| + android.Manifest.permission.BIND_INPUT_METHOD); |
| return null; |
| } |
| |
| if (!Build.IS_DEBUGGABLE && (si.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0) { |
| Slog.e(TAG, imeId + " must be pre-installed when Build.IS_DEBUGGABLE is false"); |
| return null; |
| } |
| |
| try { |
| return new InputMethodInfo(context, ri); |
| } catch (Exception e) { |
| Slog.wtf(TAG, "Unable to load input method " + imeId, e); |
| } |
| return null; |
| } |
| |
| /** |
| * Manages the mapping rule from user ID to {@link InputMethodInfo}. |
| */ |
| private static final class UserToInputMethodInfoMap { |
| @GuardedBy("mArray") |
| private final SparseArray<InputMethodInfo> mArray = new SparseArray<>(); |
| |
| @AnyThread |
| void put(@UserIdInt int userId, InputMethodInfo imi) { |
| synchronized (mArray) { |
| mArray.put(userId, imi); |
| } |
| } |
| |
| @AnyThread |
| void remove(@UserIdInt int userId) { |
| synchronized (mArray) { |
| mArray.remove(userId); |
| } |
| } |
| |
| @AnyThread |
| @Nullable |
| InputMethodInfo get(@UserIdInt int userId) { |
| synchronized (mArray) { |
| return mArray.get(userId); |
| } |
| } |
| |
| @AnyThread |
| List<InputMethodInfo> getAsList(@UserIdInt int userId) { |
| final InputMethodInfo info = get(userId); |
| if (info == null) { |
| return Collections.emptyList(); |
| } |
| return Collections.singletonList(info); |
| } |
| |
| @AnyThread |
| void dump(FileDescriptor fd, IndentingPrintWriter ipw, String[] args) { |
| synchronized (mArray) { |
| for (int i = 0; i < mArray.size(); i++) { |
| ipw.println("userId=" + mArray.keyAt(i)); |
| ipw.println(" InputMethodInfo=" + mArray.valueAt(i)); |
| } |
| } |
| } |
| } |
| |
| /** |
| * Takes care of IPCs exposed to the multi-client IME. |
| */ |
| private static final class ImeCallbacks |
| extends IMultiClientInputMethodPrivilegedOperations.Stub { |
| private final PerUserData mPerUserData; |
| private final WindowManagerInternal mIWindowManagerInternal; |
| |
| ImeCallbacks(PerUserData perUserData) { |
| mPerUserData = perUserData; |
| mIWindowManagerInternal = LocalServices.getService(WindowManagerInternal.class); |
| } |
| |
| @BinderThread |
| @Override |
| public IBinder createInputMethodWindowToken(int displayId) { |
| synchronized (mPerUserData.mLock) { |
| // We assume the number of tokens would not be that large (up to 10 or so) hence |
| // linear search should be acceptable. |
| final int numTokens = mPerUserData.mDisplayIdToImeWindowTokenMap.size(); |
| for (int i = 0; i < numTokens; ++i) { |
| final TokenInfo tokenInfo = |
| mPerUserData.mDisplayIdToImeWindowTokenMap.valueAt(i); |
| // Currently we issue up to one window token per display. |
| if (tokenInfo.mDisplayId == displayId) { |
| return tokenInfo.mToken; |
| } |
| } |
| |
| final Binder token = new Binder(); |
| Binder.withCleanCallingIdentity( |
| PooledLambda.obtainRunnable(WindowManagerInternal::addWindowToken, |
| mIWindowManagerInternal, token, TYPE_INPUT_METHOD, displayId)); |
| mPerUserData.mDisplayIdToImeWindowTokenMap.add(new TokenInfo(token, displayId)); |
| return token; |
| } |
| } |
| |
| @BinderThread |
| @Override |
| public void deleteInputMethodWindowToken(IBinder token) { |
| synchronized (mPerUserData.mLock) { |
| // We assume the number of tokens would not be that large (up to 10 or so) hence |
| // linear search should be acceptable. |
| final int numTokens = mPerUserData.mDisplayIdToImeWindowTokenMap.size(); |
| for (int i = 0; i < numTokens; ++i) { |
| final TokenInfo tokenInfo = |
| mPerUserData.mDisplayIdToImeWindowTokenMap.valueAt(i); |
| if (tokenInfo.mToken == token) { |
| mPerUserData.mDisplayIdToImeWindowTokenMap.remove(tokenInfo); |
| break; |
| } |
| } |
| } |
| } |
| |
| @BinderThread |
| @Override |
| public void acceptClient(int clientId, IInputMethodSession inputMethodSession, |
| IMultiClientInputMethodSession multiSessionInputMethodSession, |
| InputChannel writeChannel) { |
| synchronized (mPerUserData.mLock) { |
| final InputMethodClientInfo clientInfo = |
| mPerUserData.getClientFromIdLocked(clientId); |
| if (clientInfo == null) { |
| Slog.e(TAG, "Unknown clientId=" + clientId); |
| return; |
| } |
| switch (clientInfo.mState) { |
| case InputMethodClientState.WAITING_FOR_IME_SESSION: |
| try { |
| clientInfo.mClient.setActive(true, false); |
| } catch (RemoteException e) { |
| // TODO(yukawa): Remove this client. |
| return; |
| } |
| clientInfo.mState = InputMethodClientState.READY_TO_SEND_FIRST_BIND_RESULT; |
| clientInfo.mWriteChannel = writeChannel; |
| clientInfo.mInputMethodSession = inputMethodSession; |
| clientInfo.mMSInputMethodSession = multiSessionInputMethodSession; |
| break; |
| default: |
| Slog.e(TAG, "Unexpected state=" + clientInfo.mState); |
| break; |
| } |
| } |
| } |
| |
| @BinderThread |
| @Override |
| public void reportImeWindowTarget(int clientId, int targetWindowHandle, |
| IBinder imeWindowToken) { |
| synchronized (mPerUserData.mLock) { |
| final InputMethodClientInfo clientInfo = |
| mPerUserData.getClientFromIdLocked(clientId); |
| if (clientInfo == null) { |
| Slog.e(TAG, "Unknown clientId=" + clientId); |
| return; |
| } |
| for (WindowInfo windowInfo : clientInfo.mWindowMap.values()) { |
| if (windowInfo.mWindowHandle == targetWindowHandle) { |
| final IBinder targetWindowToken = windowInfo.mWindowToken; |
| // TODO(yukawa): Report targetWindowToken and targetWindowToken to WMS. |
| if (DEBUG) { |
| Slog.v(TAG, "reportImeWindowTarget" |
| + " clientId=" + clientId |
| + " imeWindowToken=" + imeWindowToken |
| + " targetWindowToken=" + targetWindowToken); |
| } |
| } |
| } |
| // not found. |
| } |
| } |
| |
| @BinderThread |
| @Override |
| public boolean isUidAllowedOnDisplay(int displayId, int uid) { |
| return mIWindowManagerInternal.isUidAllowedOnDisplay(displayId, uid); |
| } |
| |
| @BinderThread |
| @Override |
| public void setActive(int clientId, boolean active) { |
| synchronized (mPerUserData.mLock) { |
| final InputMethodClientInfo clientInfo = |
| mPerUserData.getClientFromIdLocked(clientId); |
| if (clientInfo == null) { |
| Slog.e(TAG, "Unknown clientId=" + clientId); |
| return; |
| } |
| try { |
| clientInfo.mClient.setActive(active, false /* fullscreen */); |
| } catch (RemoteException e) { |
| return; |
| } |
| } |
| } |
| } |
| |
| /** |
| * Takes care of IPCs exposed to the IME client. |
| */ |
| private static final class ApiCallbacks extends IInputMethodManager.Stub { |
| private final Context mContext; |
| private final UserDataMap mUserDataMap; |
| private final UserToInputMethodInfoMap mInputMethodInfoMap; |
| private final AppOpsManager mAppOpsManager; |
| private final WindowManagerInternal mWindowManagerInternal; |
| |
| ApiCallbacks(Context context, UserDataMap userDataMap, |
| UserToInputMethodInfoMap inputMethodInfoMap) { |
| mContext = context; |
| mUserDataMap = userDataMap; |
| mInputMethodInfoMap = inputMethodInfoMap; |
| mAppOpsManager = context.getSystemService(AppOpsManager.class); |
| mWindowManagerInternal = LocalServices.getService(WindowManagerInternal.class); |
| } |
| |
| @AnyThread |
| private boolean checkFocus(int uid, int pid, int displayId) { |
| return mWindowManagerInternal.isInputMethodClientFocus(uid, pid, displayId); |
| } |
| |
| @BinderThread |
| @Override |
| public void addClient(IInputMethodClient client, IInputContext inputContext, |
| int selfReportedDisplayId) { |
| final int callingUid = Binder.getCallingUid(); |
| final int callingPid = Binder.getCallingPid(); |
| final int userId = UserHandle.getUserId(callingUid); |
| final PerUserData data = mUserDataMap.get(userId); |
| if (data == null) { |
| Slog.e(TAG, "addClient() from unknown userId=" + userId |
| + " uid=" + callingUid + " pid=" + callingPid); |
| return; |
| } |
| synchronized (data.mLock) { |
| data.addClientLocked(callingUid, callingPid, client, selfReportedDisplayId); |
| } |
| } |
| |
| @BinderThread |
| @Override |
| public List<InputMethodInfo> getInputMethodList(@UserIdInt int userId) { |
| if (UserHandle.getCallingUserId() != userId) { |
| mContext.enforceCallingPermission(INTERACT_ACROSS_USERS_FULL, null); |
| } |
| return mInputMethodInfoMap.getAsList(userId); |
| } |
| |
| @BinderThread |
| @Override |
| public List<InputMethodInfo> getEnabledInputMethodList(@UserIdInt int userId) { |
| if (UserHandle.getCallingUserId() != userId) { |
| mContext.enforceCallingPermission(INTERACT_ACROSS_USERS_FULL, null); |
| } |
| return mInputMethodInfoMap.getAsList(userId); |
| } |
| |
| @BinderThread |
| @Override |
| public List<InputMethodSubtype> getEnabledInputMethodSubtypeList(String imiId, |
| boolean allowsImplicitlySelectedSubtypes) { |
| reportNotSupported(); |
| return Collections.emptyList(); |
| } |
| |
| @BinderThread |
| @Override |
| public InputMethodSubtype getLastInputMethodSubtype() { |
| reportNotSupported(); |
| return null; |
| } |
| |
| @BinderThread |
| @Override |
| public boolean showSoftInput( |
| IInputMethodClient client, int flags, ResultReceiver resultReceiver) { |
| final int callingUid = Binder.getCallingUid(); |
| final int callingPid = Binder.getCallingPid(); |
| final int userId = UserHandle.getUserId(callingUid); |
| final PerUserData data = mUserDataMap.get(userId); |
| if (data == null) { |
| Slog.e(TAG, "showSoftInput() from unknown userId=" + userId |
| + " uid=" + callingUid + " pid=" + callingPid); |
| return false; |
| } |
| synchronized (data.mLock) { |
| final InputMethodClientInfo clientInfo = data.getClientLocked(client); |
| if (clientInfo == null) { |
| Slog.e(TAG, "showSoftInput. client not found. ignoring."); |
| return false; |
| } |
| if (clientInfo.mUid != callingUid) { |
| Slog.e(TAG, "Expected calling UID=" + clientInfo.mUid |
| + " actual=" + callingUid); |
| return false; |
| } |
| switch (clientInfo.mState) { |
| case InputMethodClientState.READY_TO_SEND_FIRST_BIND_RESULT: |
| case InputMethodClientState.ALREADY_SENT_BIND_RESULT: |
| try { |
| clientInfo.mMSInputMethodSession.showSoftInput(flags, resultReceiver); |
| } catch (RemoteException e) { |
| } |
| break; |
| default: |
| if (DEBUG) { |
| Slog.e(TAG, "Ignoring showSoftInput(). clientState=" |
| + clientInfo.mState); |
| } |
| break; |
| } |
| return true; |
| } |
| } |
| |
| @BinderThread |
| @Override |
| public boolean hideSoftInput( |
| IInputMethodClient client, int flags, ResultReceiver resultReceiver) { |
| final int callingUid = Binder.getCallingUid(); |
| final int callingPid = Binder.getCallingPid(); |
| final int userId = UserHandle.getUserId(callingUid); |
| final PerUserData data = mUserDataMap.get(userId); |
| if (data == null) { |
| Slog.e(TAG, "hideSoftInput() from unknown userId=" + userId |
| + " uid=" + callingUid + " pid=" + callingPid); |
| return false; |
| } |
| synchronized (data.mLock) { |
| final InputMethodClientInfo clientInfo = data.getClientLocked(client); |
| if (clientInfo == null) { |
| return false; |
| } |
| if (clientInfo.mUid != callingUid) { |
| Slog.e(TAG, "Expected calling UID=" + clientInfo.mUid |
| + " actual=" + callingUid); |
| return false; |
| } |
| switch (clientInfo.mState) { |
| case InputMethodClientState.READY_TO_SEND_FIRST_BIND_RESULT: |
| case InputMethodClientState.ALREADY_SENT_BIND_RESULT: |
| try { |
| clientInfo.mMSInputMethodSession.hideSoftInput(flags, resultReceiver); |
| } catch (RemoteException e) { |
| } |
| break; |
| default: |
| if (DEBUG) { |
| Slog.e(TAG, "Ignoring hideSoftInput(). clientState=" |
| + clientInfo.mState); |
| } |
| break; |
| } |
| return true; |
| } |
| } |
| |
| @BinderThread |
| @Override |
| public InputBindResult startInputOrWindowGainedFocus( |
| @StartInputReason int startInputReason, |
| @Nullable IInputMethodClient client, |
| @Nullable IBinder windowToken, |
| @StartInputFlags int startInputFlags, |
| @SoftInputModeFlags int softInputMode, |
| int windowFlags, |
| @Nullable EditorInfo editorInfo, |
| @Nullable IInputContext inputContext, |
| @MissingMethodFlags int missingMethods, |
| int unverifiedTargetSdkVersion) { |
| final int callingUid = Binder.getCallingUid(); |
| final int callingPid = Binder.getCallingPid(); |
| final int userId = UserHandle.getUserId(callingUid); |
| |
| if (client == null) { |
| return InputBindResult.INVALID_CLIENT; |
| } |
| |
| final boolean packageNameVerified = |
| editorInfo != null && InputMethodUtils.checkIfPackageBelongsToUid( |
| mAppOpsManager, callingUid, editorInfo.packageName); |
| if (editorInfo != null && !packageNameVerified) { |
| Slog.e(TAG, "Rejecting this client as it reported an invalid package name." |
| + " uid=" + callingUid + " package=" + editorInfo.packageName); |
| return InputBindResult.INVALID_PACKAGE_NAME; |
| } |
| |
| final PerUserData data = mUserDataMap.get(userId); |
| if (data == null) { |
| Slog.e(TAG, "startInputOrWindowGainedFocus() from unknown userId=" + userId |
| + " uid=" + callingUid + " pid=" + callingPid); |
| return InputBindResult.INVALID_USER; |
| } |
| |
| synchronized (data.mLock) { |
| final InputMethodClientInfo clientInfo = data.getClientLocked(client); |
| if (clientInfo == null) { |
| return InputBindResult.INVALID_CLIENT; |
| } |
| if (clientInfo.mUid != callingUid) { |
| Slog.e(TAG, "Expected calling UID=" + clientInfo.mUid |
| + " actual=" + callingUid); |
| return InputBindResult.INVALID_CLIENT; |
| } |
| |
| switch (data.mState) { |
| case PerUserState.USER_LOCKED: |
| case PerUserState.SERVICE_NOT_QUERIED: |
| case PerUserState.SERVICE_RECOGNIZED: |
| case PerUserState.WAITING_SERVICE_CONNECTED: |
| case PerUserState.UNBIND_CALLED: |
| return InputBindResult.IME_NOT_CONNECTED; |
| case PerUserState.SERVICE_CONNECTED: |
| // OK |
| break; |
| default: |
| Slog.wtf(TAG, "Unexpected state=" + data.mState); |
| return InputBindResult.IME_NOT_CONNECTED; |
| } |
| |
| WindowInfo windowInfo = null; |
| if (windowToken != null) { |
| windowInfo = clientInfo.mWindowMap.get(windowToken); |
| if (windowInfo == null) { |
| windowInfo = new WindowInfo(windowToken, WindowHandleSource.getNext()); |
| clientInfo.mWindowMap.put(windowToken, windowInfo); |
| } |
| } |
| |
| if (!checkFocus(clientInfo.mUid, clientInfo.mPid, |
| clientInfo.mSelfReportedDisplayId)) { |
| return InputBindResult.NOT_IME_TARGET_WINDOW; |
| } |
| |
| if (editorInfo == null) { |
| // So-called dummy InputConnection scenario. For app compatibility, we still |
| // notify this to the IME. |
| switch (clientInfo.mState) { |
| case InputMethodClientState.READY_TO_SEND_FIRST_BIND_RESULT: |
| case InputMethodClientState.ALREADY_SENT_BIND_RESULT: |
| final int windowHandle = windowInfo != null |
| ? windowInfo.mWindowHandle |
| : MultiClientInputMethodServiceDelegate.INVALID_WINDOW_HANDLE; |
| try { |
| clientInfo.mMSInputMethodSession.startInputOrWindowGainedFocus( |
| inputContext, missingMethods, editorInfo, startInputFlags, |
| softInputMode, windowHandle); |
| } catch (RemoteException e) { |
| } |
| break; |
| } |
| return InputBindResult.NULL_EDITOR_INFO; |
| } |
| |
| switch (clientInfo.mState) { |
| case InputMethodClientState.REGISTERED: |
| case InputMethodClientState.WAITING_FOR_IME_SESSION: |
| clientInfo.mBindingSequence++; |
| if (clientInfo.mBindingSequence < 0) { |
| clientInfo.mBindingSequence = 0; |
| } |
| return new InputBindResult( |
| InputBindResult.ResultCode.SUCCESS_WAITING_IME_SESSION, |
| null, null, data.mCurrentInputMethodInfo.getId(), |
| clientInfo.mBindingSequence, null); |
| case InputMethodClientState.READY_TO_SEND_FIRST_BIND_RESULT: |
| case InputMethodClientState.ALREADY_SENT_BIND_RESULT: |
| clientInfo.mBindingSequence++; |
| if (clientInfo.mBindingSequence < 0) { |
| clientInfo.mBindingSequence = 0; |
| } |
| // Successful start input. |
| final int windowHandle = windowInfo != null |
| ? windowInfo.mWindowHandle |
| : MultiClientInputMethodServiceDelegate.INVALID_WINDOW_HANDLE; |
| try { |
| clientInfo.mMSInputMethodSession.startInputOrWindowGainedFocus( |
| inputContext, missingMethods, editorInfo, startInputFlags, |
| softInputMode, windowHandle); |
| } catch (RemoteException e) { |
| } |
| clientInfo.mState = InputMethodClientState.ALREADY_SENT_BIND_RESULT; |
| return new InputBindResult( |
| InputBindResult.ResultCode.SUCCESS_WITH_IME_SESSION, |
| clientInfo.mInputMethodSession, |
| clientInfo.mWriteChannel.dup(), |
| data.mCurrentInputMethodInfo.getId(), |
| clientInfo.mBindingSequence, null); |
| case InputMethodClientState.UNREGISTERED: |
| Slog.e(TAG, "The client is already unregistered."); |
| return InputBindResult.INVALID_CLIENT; |
| } |
| } |
| return null; |
| } |
| |
| @BinderThread |
| @Override |
| public void showInputMethodPickerFromClient( |
| IInputMethodClient client, int auxiliarySubtypeMode) { |
| reportNotSupported(); |
| } |
| |
| @BinderThread |
| @Override |
| public void showInputMethodPickerFromSystem( |
| IInputMethodClient client, int auxiliarySubtypeMode, int displayId) { |
| reportNotSupported(); |
| } |
| |
| @BinderThread |
| @Override |
| public void showInputMethodAndSubtypeEnablerFromClient( |
| IInputMethodClient client, String inputMethodId) { |
| reportNotSupported(); |
| } |
| |
| @BinderThread |
| @Override |
| public boolean isInputMethodPickerShownForTest() { |
| reportNotSupported(); |
| return false; |
| } |
| |
| @BinderThread |
| @Override |
| public InputMethodSubtype getCurrentInputMethodSubtype() { |
| reportNotSupported(); |
| return null; |
| } |
| |
| @BinderThread |
| @Override |
| public void setAdditionalInputMethodSubtypes(String imiId, InputMethodSubtype[] subtypes) { |
| reportNotSupported(); |
| } |
| |
| @BinderThread |
| @Override |
| public int getInputMethodWindowVisibleHeight() { |
| reportNotSupported(); |
| return 0; |
| } |
| |
| @BinderThread |
| @Override |
| public void reportActivityView(IInputMethodClient parentClient, int childDisplayId, |
| float[] matrixValues) { |
| reportNotSupported(); |
| } |
| |
| @BinderThread |
| @Override |
| public void onShellCommand(@Nullable FileDescriptor in, @Nullable FileDescriptor out, |
| @Nullable FileDescriptor err, String[] args, @Nullable ShellCallback callback, |
| ResultReceiver resultReceiver) { |
| } |
| |
| @BinderThread |
| @Override |
| protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| if (!DumpUtils.checkDumpPermission(mContext, TAG, pw)) return; |
| final String prefixChild = " "; |
| pw.println("Current Multi Client Input Method Manager state:"); |
| IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " "); |
| ipw.println("mUserDataMap="); |
| if (mUserDataMap != null) { |
| ipw.increaseIndent(); |
| mUserDataMap.dump(fd, ipw, args); |
| } |
| } |
| } |
| } |
