| /* |
| * Copyright (C) 2019 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_FREEFORM; |
| import static android.app.WindowConfiguration.WINDOWING_MODE_UNDEFINED; |
| |
| import static com.android.internal.protolog.ProtoLogGroup.WM_DEBUG_WINDOW_ORGANIZER; |
| import static com.android.server.wm.ActivityTaskManagerService.enforceTaskPermission; |
| import static com.android.server.wm.DisplayContent.IME_TARGET_LAYERING; |
| import static com.android.server.wm.SurfaceAnimator.ANIMATION_TYPE_STARTING_REVEAL; |
| import static com.android.server.wm.WindowOrganizerController.CONTROLLABLE_CONFIGS; |
| import static com.android.server.wm.WindowOrganizerController.CONTROLLABLE_WINDOW_CONFIGS; |
| |
| import android.annotation.Nullable; |
| import android.app.ActivityManager; |
| import android.app.ActivityManager.RunningTaskInfo; |
| import android.app.WindowConfiguration; |
| import android.content.Intent; |
| import android.content.pm.ActivityInfo; |
| import android.content.pm.ParceledListSlice; |
| import android.graphics.Rect; |
| import android.os.Binder; |
| import android.os.IBinder; |
| import android.os.Parcel; |
| import android.os.RemoteException; |
| import android.util.Slog; |
| import android.util.proto.ProtoOutputStream; |
| import android.view.SurfaceControl; |
| import android.window.ITaskOrganizer; |
| import android.window.ITaskOrganizerController; |
| import android.window.SplashScreenView; |
| import android.window.StartingWindowInfo; |
| import android.window.TaskAppearedInfo; |
| import android.window.TaskSnapshot; |
| import android.window.WindowContainerToken; |
| |
| import com.android.internal.annotations.VisibleForTesting; |
| import com.android.internal.protolog.common.ProtoLog; |
| import com.android.internal.util.ArrayUtils; |
| |
| import java.io.PrintWriter; |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.LinkedList; |
| import java.util.List; |
| import java.util.WeakHashMap; |
| import java.util.function.Consumer; |
| |
| /** |
| * Stores the TaskOrganizers associated with a given windowing mode and |
| * their associated state. |
| */ |
| class TaskOrganizerController extends ITaskOrganizerController.Stub { |
| private static final String TAG = "TaskOrganizerController"; |
| |
| /** |
| * Masks specifying which configurations are important to report back to an organizer when |
| * changed. |
| */ |
| private static final int REPORT_CONFIGS = CONTROLLABLE_CONFIGS; |
| private static final int REPORT_WINDOW_CONFIGS = CONTROLLABLE_WINDOW_CONFIGS; |
| |
| // The set of modes that are currently supports |
| // TODO: Remove once the task organizer can support all modes |
| @VisibleForTesting |
| static final int[] UNSUPPORTED_WINDOWING_MODES = { |
| WINDOWING_MODE_UNDEFINED, |
| WINDOWING_MODE_FREEFORM |
| }; |
| |
| private class DeathRecipient implements IBinder.DeathRecipient { |
| ITaskOrganizer mTaskOrganizer; |
| |
| DeathRecipient(ITaskOrganizer organizer) { |
| mTaskOrganizer = organizer; |
| } |
| |
| @Override |
| public void binderDied() { |
| synchronized (mGlobalLock) { |
| final TaskOrganizerState state = mTaskOrganizerStates.remove( |
| mTaskOrganizer.asBinder()); |
| if (state != null) { |
| state.dispose(); |
| } |
| } |
| } |
| } |
| |
| /** |
| * A wrapper class around ITaskOrganizer to ensure that the calls are made in the right |
| * lifecycle order since we may be updating the visibility of task surface controls in a pending |
| * transaction before they are presented to the task org. |
| */ |
| private class TaskOrganizerCallbacks { |
| final ITaskOrganizer mTaskOrganizer; |
| final Consumer<Runnable> mDeferTaskOrgCallbacksConsumer; |
| |
| TaskOrganizerCallbacks(ITaskOrganizer taskOrg, |
| Consumer<Runnable> deferTaskOrgCallbacksConsumer) { |
| mDeferTaskOrgCallbacksConsumer = deferTaskOrgCallbacksConsumer; |
| mTaskOrganizer = taskOrg; |
| } |
| |
| IBinder getBinder() { |
| return mTaskOrganizer.asBinder(); |
| } |
| |
| void addStartingWindow(Task task, ActivityRecord activity, int launchTheme, |
| TaskSnapshot taskSnapshot) { |
| final StartingWindowInfo info = task.getStartingWindowInfo(activity); |
| if (launchTheme != 0) { |
| info.splashScreenThemeResId = launchTheme; |
| } |
| info.mTaskSnapshot = taskSnapshot; |
| // make this happen prior than prepare surface |
| try { |
| mTaskOrganizer.addStartingWindow(info, activity.token); |
| } catch (RemoteException e) { |
| Slog.e(TAG, "Exception sending onTaskStart callback", e); |
| } |
| } |
| |
| // Capture the animation surface control for activity's main window |
| private class StartingWindowAnimationAdaptor implements AnimationAdapter { |
| private SurfaceControl mAnimationLeash; |
| @Override |
| public boolean getShowWallpaper() { |
| return false; |
| } |
| |
| @Override |
| public void startAnimation(SurfaceControl animationLeash, SurfaceControl.Transaction t, |
| int type, SurfaceAnimator.OnAnimationFinishedCallback finishCallback) { |
| mAnimationLeash = animationLeash; |
| } |
| |
| @Override |
| public void onAnimationCancelled(SurfaceControl animationLeash) { |
| if (mAnimationLeash == animationLeash) { |
| mAnimationLeash = null; |
| } |
| } |
| |
| @Override |
| public long getDurationHint() { |
| return 0; |
| } |
| |
| @Override |
| public long getStatusBarTransitionsStartTime() { |
| return 0; |
| } |
| |
| @Override |
| public void dump(PrintWriter pw, String prefix) { |
| pw.print(prefix + "StartingWindowAnimationAdaptor mCapturedLeash="); |
| pw.print(mAnimationLeash); |
| pw.println(); |
| } |
| |
| @Override |
| public void dumpDebug(ProtoOutputStream proto) { |
| } |
| } |
| |
| void removeStartingWindow(Task task, boolean prepareAnimation) { |
| SurfaceControl windowAnimationLeash = null; |
| Rect mainFrame = null; |
| final boolean playShiftUpAnimation = !task.inMultiWindowMode(); |
| if (prepareAnimation && playShiftUpAnimation) { |
| final ActivityRecord topActivity = task.topActivityContainsStartingWindow(); |
| if (topActivity != null) { |
| final WindowState mainWindow = |
| topActivity.findMainWindow(false/* includeStartingApp */); |
| if (mainWindow != null) { |
| final StartingWindowAnimationAdaptor adaptor = |
| new StartingWindowAnimationAdaptor(); |
| final SurfaceControl.Transaction t = mainWindow.getPendingTransaction(); |
| mainWindow.startAnimation(t, adaptor, false, |
| ANIMATION_TYPE_STARTING_REVEAL); |
| windowAnimationLeash = adaptor.mAnimationLeash; |
| mainFrame = mainWindow.getRelativeFrame(); |
| t.setPosition(windowAnimationLeash, mainFrame.left, mainFrame.top); |
| } |
| } |
| } |
| try { |
| mTaskOrganizer.removeStartingWindow(task.mTaskId, windowAnimationLeash, |
| mainFrame, prepareAnimation); |
| } catch (RemoteException e) { |
| Slog.e(TAG, "Exception sending onStartTaskFinished callback", e); |
| } |
| } |
| |
| void copySplashScreenView(Task task) { |
| try { |
| mTaskOrganizer.copySplashScreenView(task.mTaskId); |
| } catch (RemoteException e) { |
| Slog.e(TAG, "Exception sending copyStartingWindowView callback", e); |
| } |
| } |
| |
| void onAppSplashScreenViewRemoved(Task task) { |
| try { |
| mTaskOrganizer.onAppSplashScreenViewRemoved(task.mTaskId); |
| } catch (RemoteException e) { |
| Slog.e(TAG, "Exception sending onAppSplashScreenViewRemoved callback", e); |
| } |
| } |
| |
| SurfaceControl prepareLeash(Task task, String reason) { |
| return new SurfaceControl(task.getSurfaceControl(), reason); |
| } |
| |
| void onTaskAppeared(Task task) { |
| ProtoLog.v(WM_DEBUG_WINDOW_ORGANIZER, "Task appeared taskId=%d", task.mTaskId); |
| final RunningTaskInfo taskInfo = task.getTaskInfo(); |
| try { |
| mTaskOrganizer.onTaskAppeared(taskInfo, prepareLeash(task, |
| "TaskOrganizerController.onTaskAppeared")); |
| } catch (RemoteException e) { |
| Slog.e(TAG, "Exception sending onTaskAppeared callback", e); |
| } |
| } |
| |
| |
| void onTaskVanished(Task task) { |
| ProtoLog.v(WM_DEBUG_WINDOW_ORGANIZER, "Task vanished taskId=%d", task.mTaskId); |
| final RunningTaskInfo taskInfo = task.getTaskInfo(); |
| try { |
| mTaskOrganizer.onTaskVanished(taskInfo); |
| } catch (RemoteException e) { |
| Slog.e(TAG, "Exception sending onTaskVanished callback", e); |
| } |
| } |
| |
| void onTaskInfoChanged(Task task, ActivityManager.RunningTaskInfo taskInfo) { |
| if (!task.mTaskAppearedSent) { |
| // Skip if the task has not yet received taskAppeared(). |
| return; |
| } |
| ProtoLog.v(WM_DEBUG_WINDOW_ORGANIZER, "Task info changed taskId=%d", task.mTaskId); |
| if (!task.isOrganized()) { |
| // This is safe to ignore if the task is no longer organized |
| return; |
| } |
| try { |
| // Purposely notify of task info change immediately instead of deferring (like |
| // appear and vanish) to allow info changes (such as new PIP params) to flow |
| // without waiting. |
| mTaskOrganizer.onTaskInfoChanged(taskInfo); |
| } catch (RemoteException e) { |
| Slog.e(TAG, "Exception sending onTaskInfoChanged callback", e); |
| } |
| } |
| |
| void onBackPressedOnTaskRoot(Task task) { |
| ProtoLog.v(WM_DEBUG_WINDOW_ORGANIZER, "Task back pressed on root taskId=%d", |
| task.mTaskId); |
| if (!task.mTaskAppearedSent) { |
| // Skip if the task has not yet received taskAppeared(). |
| return; |
| } |
| if (!task.isOrganized()) { |
| // This is safe to ignore if the task is no longer organized |
| return; |
| } |
| try { |
| mTaskOrganizer.onBackPressedOnTaskRoot(task.getTaskInfo()); |
| } catch (Exception e) { |
| Slog.e(TAG, "Exception sending onBackPressedOnTaskRoot callback", e); |
| } |
| } |
| } |
| |
| private class TaskOrganizerState { |
| private final TaskOrganizerCallbacks mOrganizer; |
| private final DeathRecipient mDeathRecipient; |
| private final ArrayList<Task> mOrganizedTasks = new ArrayList<>(); |
| private final int mUid; |
| |
| TaskOrganizerState(ITaskOrganizer organizer, int uid) { |
| final Consumer<Runnable> deferTaskOrgCallbacksConsumer = |
| mDeferTaskOrgCallbacksConsumer != null |
| ? mDeferTaskOrgCallbacksConsumer |
| : mService.mWindowManager.mAnimator::addAfterPrepareSurfacesRunnable; |
| mOrganizer = new TaskOrganizerCallbacks(organizer, deferTaskOrgCallbacksConsumer); |
| mDeathRecipient = new DeathRecipient(organizer); |
| try { |
| organizer.asBinder().linkToDeath(mDeathRecipient, 0); |
| } catch (RemoteException e) { |
| Slog.e(TAG, "TaskOrganizer failed to register death recipient"); |
| } |
| mUid = uid; |
| } |
| |
| void addStartingWindow(Task t, ActivityRecord activity, int launchTheme, |
| TaskSnapshot taskSnapshot) { |
| mOrganizer.addStartingWindow(t, activity, launchTheme, taskSnapshot); |
| } |
| |
| void removeStartingWindow(Task t, boolean prepareAnimation) { |
| mOrganizer.removeStartingWindow(t, prepareAnimation); |
| } |
| |
| void copySplashScreenView(Task t) { |
| mOrganizer.copySplashScreenView(t); |
| } |
| |
| public void onAppSplashScreenViewRemoved(Task t) { |
| mOrganizer.onAppSplashScreenViewRemoved(t); |
| } |
| |
| /** |
| * Register this task with this state, but doesn't trigger the task appeared callback to |
| * the organizer. |
| */ |
| SurfaceControl addTaskWithoutCallback(Task t, String reason) { |
| t.mTaskAppearedSent = true; |
| if (!mOrganizedTasks.contains(t)) { |
| mOrganizedTasks.add(t); |
| } |
| return mOrganizer.prepareLeash(t, reason); |
| } |
| |
| private boolean addTask(Task t) { |
| if (t.mTaskAppearedSent) { |
| return false; |
| } |
| |
| if (!mOrganizedTasks.contains(t)) { |
| mOrganizedTasks.add(t); |
| } |
| |
| if (t.taskAppearedReady()) { |
| t.mTaskAppearedSent = true; |
| return true; |
| } |
| return false; |
| } |
| |
| private boolean removeTask(Task t, boolean removeFromSystem) { |
| mOrganizedTasks.remove(t); |
| mInterceptBackPressedOnRootTasks.remove(t.mTaskId); |
| boolean taskAppearedSent = t.mTaskAppearedSent; |
| if (taskAppearedSent) { |
| if (t.getSurfaceControl() != null) { |
| t.migrateToNewSurfaceControl(t.getSyncTransaction()); |
| } |
| t.mTaskAppearedSent = false; |
| } |
| if (removeFromSystem) { |
| mService.removeTask(t.mTaskId); |
| } |
| return taskAppearedSent; |
| } |
| |
| void dispose() { |
| // Move organizer from managing specific windowing modes |
| mTaskOrganizers.remove(mOrganizer.mTaskOrganizer); |
| |
| // Update tasks currently managed by this organizer to the next one available if |
| // possible. |
| while (!mOrganizedTasks.isEmpty()) { |
| final Task t = mOrganizedTasks.get(0); |
| t.updateTaskOrganizerState(true /* forceUpdate */); |
| if (mOrganizedTasks.contains(t)) { |
| // updateTaskOrganizerState should remove the task from the list, but still |
| // check it again to avoid while-loop isn't terminate. |
| if (removeTask(t, t.mRemoveWithTaskOrganizer)) { |
| TaskOrganizerController.this.onTaskVanishedInternal( |
| mOrganizer.mTaskOrganizer, t); |
| } |
| } |
| } |
| |
| // Remove organizer state after removing tasks so we get a chance to send |
| // onTaskVanished. |
| mTaskOrganizerStates.remove(asBinder()); |
| } |
| |
| void unlinkDeath() { |
| mOrganizer.getBinder().unlinkToDeath(mDeathRecipient, 0); |
| } |
| } |
| |
| static class PendingTaskEvent { |
| static final int EVENT_APPEARED = 0; |
| static final int EVENT_VANISHED = 1; |
| static final int EVENT_INFO_CHANGED = 2; |
| static final int EVENT_ROOT_BACK_PRESSED = 3; |
| |
| final int mEventType; |
| final Task mTask; |
| final ITaskOrganizer mTaskOrg; |
| boolean mForce; |
| |
| PendingTaskEvent(Task task, int event) { |
| this(task, task.mTaskOrganizer, event); |
| } |
| |
| PendingTaskEvent(Task task, ITaskOrganizer taskOrg, int eventType) { |
| mTask = task; |
| mTaskOrg = taskOrg; |
| mEventType = eventType; |
| } |
| |
| boolean isLifecycleEvent() { |
| return mEventType == EVENT_APPEARED || mEventType == EVENT_VANISHED |
| || mEventType == EVENT_INFO_CHANGED; |
| } |
| } |
| |
| private final ActivityTaskManagerService mService; |
| private final WindowManagerGlobalLock mGlobalLock; |
| |
| // List of task organizers by priority |
| private final LinkedList<ITaskOrganizer> mTaskOrganizers = new LinkedList<>(); |
| private final HashMap<IBinder, TaskOrganizerState> mTaskOrganizerStates = new HashMap<>(); |
| private final WeakHashMap<Task, RunningTaskInfo> mLastSentTaskInfos = new WeakHashMap<>(); |
| // Pending task events due to layout deferred. |
| private final ArrayList<PendingTaskEvent> mPendingTaskEvents = new ArrayList<>(); |
| // Set of organized tasks (by taskId) that dispatch back pressed to their organizers |
| private final HashSet<Integer> mInterceptBackPressedOnRootTasks = new HashSet(); |
| |
| private RunningTaskInfo mTmpTaskInfo; |
| private Consumer<Runnable> mDeferTaskOrgCallbacksConsumer; |
| |
| TaskOrganizerController(ActivityTaskManagerService atm) { |
| mService = atm; |
| mGlobalLock = atm.mGlobalLock; |
| } |
| |
| @Override |
| public boolean onTransact(int code, Parcel data, Parcel reply, int flags) |
| throws RemoteException { |
| try { |
| return super.onTransact(code, data, reply, flags); |
| } catch (RuntimeException e) { |
| throw ActivityTaskManagerService.logAndRethrowRuntimeExceptionOnTransact(TAG, e); |
| } |
| } |
| |
| /** |
| * Specifies the consumer to run to defer the task org callbacks. Can be overridden while |
| * testing to allow the callbacks to be sent synchronously. |
| */ |
| @VisibleForTesting |
| public void setDeferTaskOrgCallbacksConsumer(Consumer<Runnable> consumer) { |
| mDeferTaskOrgCallbacksConsumer = consumer; |
| } |
| |
| @VisibleForTesting |
| ArrayList<PendingTaskEvent> getPendingEventList() { |
| return mPendingTaskEvents; |
| } |
| |
| /** |
| * Register a TaskOrganizer to manage tasks as they enter the a supported windowing mode. |
| */ |
| @Override |
| public ParceledListSlice<TaskAppearedInfo> registerTaskOrganizer(ITaskOrganizer organizer) { |
| enforceTaskPermission("registerTaskOrganizer()"); |
| final int uid = Binder.getCallingUid(); |
| final long origId = Binder.clearCallingIdentity(); |
| try { |
| synchronized (mGlobalLock) { |
| ProtoLog.v(WM_DEBUG_WINDOW_ORGANIZER, "Register task organizer=%s uid=%d", |
| organizer.asBinder(), uid); |
| if (!mTaskOrganizerStates.containsKey(organizer.asBinder())) { |
| mTaskOrganizers.add(organizer); |
| mTaskOrganizerStates.put(organizer.asBinder(), |
| new TaskOrganizerState(organizer, uid)); |
| } |
| |
| final ArrayList<TaskAppearedInfo> taskInfos = new ArrayList<>(); |
| final TaskOrganizerState state = mTaskOrganizerStates.get(organizer.asBinder()); |
| mService.mRootWindowContainer.forAllTasks((task) -> { |
| if (ArrayUtils.contains(UNSUPPORTED_WINDOWING_MODES, task.getWindowingMode())) { |
| return; |
| } |
| |
| boolean returnTask = !task.mCreatedByOrganizer; |
| task.updateTaskOrganizerState(true /* forceUpdate */, |
| returnTask /* skipTaskAppeared */); |
| if (returnTask) { |
| SurfaceControl outSurfaceControl = state.addTaskWithoutCallback(task, |
| "TaskOrganizerController.registerTaskOrganizer"); |
| taskInfos.add(new TaskAppearedInfo(task.getTaskInfo(), outSurfaceControl)); |
| } |
| }); |
| return new ParceledListSlice<>(taskInfos); |
| } |
| } finally { |
| Binder.restoreCallingIdentity(origId); |
| } |
| } |
| |
| @Override |
| public void unregisterTaskOrganizer(ITaskOrganizer organizer) { |
| enforceTaskPermission("unregisterTaskOrganizer()"); |
| final int uid = Binder.getCallingUid(); |
| final long origId = Binder.clearCallingIdentity(); |
| try { |
| synchronized (mGlobalLock) { |
| final TaskOrganizerState state = mTaskOrganizerStates.get(organizer.asBinder()); |
| if (state == null) { |
| return; |
| } |
| ProtoLog.v(WM_DEBUG_WINDOW_ORGANIZER, "Unregister task organizer=%s uid=%d", |
| organizer.asBinder(), uid); |
| state.unlinkDeath(); |
| state.dispose(); |
| } |
| } finally { |
| Binder.restoreCallingIdentity(origId); |
| } |
| } |
| |
| /** |
| * @return the task organizer key for a given windowing mode. |
| */ |
| ITaskOrganizer getTaskOrganizer(int windowingMode) { |
| return isSupportedWindowingMode(windowingMode) |
| ? mTaskOrganizers.peekLast() |
| : null; |
| } |
| |
| boolean isSupportedWindowingMode(int winMode) { |
| return !ArrayUtils.contains(UNSUPPORTED_WINDOWING_MODES, winMode); |
| } |
| |
| boolean addStartingWindow(Task task, ActivityRecord activity, int launchTheme, |
| TaskSnapshot taskSnapshot) { |
| final Task rootTask = task.getRootTask(); |
| if (rootTask == null || rootTask.mTaskOrganizer == null || activity.mStartingData == null) { |
| return false; |
| } |
| final TaskOrganizerState state = |
| mTaskOrganizerStates.get(rootTask.mTaskOrganizer.asBinder()); |
| state.addStartingWindow(task, activity, launchTheme, taskSnapshot); |
| return true; |
| } |
| |
| void removeStartingWindow(Task task, boolean prepareAnimation) { |
| final Task rootTask = task.getRootTask(); |
| if (rootTask == null || rootTask.mTaskOrganizer == null) { |
| return; |
| } |
| final TaskOrganizerState state = |
| mTaskOrganizerStates.get(rootTask.mTaskOrganizer.asBinder()); |
| state.removeStartingWindow(task, prepareAnimation); |
| } |
| |
| boolean copySplashScreenView(Task task) { |
| final Task rootTask = task.getRootTask(); |
| if (rootTask == null || rootTask.mTaskOrganizer == null) { |
| return false; |
| } |
| final TaskOrganizerState state = |
| mTaskOrganizerStates.get(rootTask.mTaskOrganizer.asBinder()); |
| state.copySplashScreenView(task); |
| return true; |
| } |
| |
| /** |
| * Notify the shell ({@link com.android.wm.shell.ShellTaskOrganizer} that the client has |
| * removed the splash screen view. |
| * @see com.android.wm.shell.ShellTaskOrganizer#onAppSplashScreenViewRemoved(int) |
| * @see SplashScreenView#remove() |
| */ |
| public void onAppSplashScreenViewRemoved(Task task) { |
| final Task rootTask = task.getRootTask(); |
| if (rootTask == null || rootTask.mTaskOrganizer == null) { |
| return; |
| } |
| final TaskOrganizerState state = |
| mTaskOrganizerStates.get(rootTask.mTaskOrganizer.asBinder()); |
| state.onAppSplashScreenViewRemoved(task); |
| } |
| |
| void onTaskAppeared(ITaskOrganizer organizer, Task task) { |
| final TaskOrganizerState state = mTaskOrganizerStates.get(organizer.asBinder()); |
| if (state != null && state.addTask(task)) { |
| PendingTaskEvent pending = getPendingTaskEvent(task, PendingTaskEvent.EVENT_APPEARED); |
| if (pending == null) { |
| pending = new PendingTaskEvent(task, PendingTaskEvent.EVENT_APPEARED); |
| mPendingTaskEvents.add(pending); |
| } |
| } |
| } |
| |
| void onTaskVanished(ITaskOrganizer organizer, Task task) { |
| final TaskOrganizerState state = mTaskOrganizerStates.get(organizer.asBinder()); |
| if (state != null && state.removeTask(task, false /* removeFromSystem */)) { |
| onTaskVanishedInternal(organizer, task); |
| } |
| } |
| |
| private void onTaskVanishedInternal(ITaskOrganizer organizer, Task task) { |
| for (int i = mPendingTaskEvents.size() - 1; i >= 0; i--) { |
| PendingTaskEvent entry = mPendingTaskEvents.get(i); |
| if (task.mTaskId == entry.mTask.mTaskId) { |
| // This task is vanished so remove all pending event of it. |
| mPendingTaskEvents.remove(i); |
| if (entry.mEventType == PendingTaskEvent.EVENT_APPEARED) { |
| // If task appeared callback still pend, ignore this callback too. |
| return; |
| } |
| } |
| } |
| |
| PendingTaskEvent pending = |
| new PendingTaskEvent(task, organizer, PendingTaskEvent.EVENT_VANISHED); |
| mPendingTaskEvents.add(pending); |
| } |
| |
| @Override |
| public void createRootTask(int displayId, int windowingMode, @Nullable IBinder launchCookie) { |
| enforceTaskPermission("createRootTask()"); |
| final long origId = Binder.clearCallingIdentity(); |
| try { |
| synchronized (mGlobalLock) { |
| DisplayContent display = mService.mRootWindowContainer.getDisplayContent(displayId); |
| if (display == null) { |
| ProtoLog.e(WM_DEBUG_WINDOW_ORGANIZER, |
| "createRootTask unknown displayId=%d", displayId); |
| return; |
| } |
| |
| createRootTask(display, windowingMode, launchCookie); |
| } |
| } finally { |
| Binder.restoreCallingIdentity(origId); |
| } |
| } |
| |
| @VisibleForTesting |
| Task createRootTask(DisplayContent display, int windowingMode, @Nullable IBinder launchCookie) { |
| ProtoLog.v(WM_DEBUG_WINDOW_ORGANIZER, "Create root task displayId=%d winMode=%d", |
| display.mDisplayId, windowingMode); |
| // We want to defer the task appear signal until the task is fully created and attached to |
| // to the hierarchy so that the complete starting configuration is in the task info we send |
| // over to the organizer. |
| final Task task = new Task.Builder(mService) |
| .setWindowingMode(windowingMode) |
| .setIntent(new Intent()) |
| .setCreatedByOrganizer(true) |
| .setDeferTaskAppear(true) |
| .setLaunchCookie(launchCookie) |
| .setParent(display.getDefaultTaskDisplayArea()) |
| .build(); |
| task.setDeferTaskAppear(false /* deferTaskAppear */); |
| return task; |
| } |
| |
| @Override |
| public boolean deleteRootTask(WindowContainerToken token) { |
| enforceTaskPermission("deleteRootTask()"); |
| final long origId = Binder.clearCallingIdentity(); |
| try { |
| synchronized (mGlobalLock) { |
| final WindowContainer wc = WindowContainer.fromBinder(token.asBinder()); |
| if (wc == null) return false; |
| final Task task = wc.asTask(); |
| if (task == null) return false; |
| if (!task.mCreatedByOrganizer) { |
| throw new IllegalArgumentException( |
| "Attempt to delete task not created by organizer task=" + task); |
| } |
| |
| ProtoLog.v(WM_DEBUG_WINDOW_ORGANIZER, "Delete root task display=%d winMode=%d", |
| task.getDisplayId(), task.getWindowingMode()); |
| task.removeImmediately("deleteRootTask"); |
| return true; |
| } |
| } finally { |
| Binder.restoreCallingIdentity(origId); |
| } |
| } |
| |
| void dispatchPendingEvents() { |
| if (mService.mWindowManager.mWindowPlacerLocked.isLayoutDeferred() |
| || mPendingTaskEvents.isEmpty()) { |
| return; |
| } |
| |
| for (int i = 0, n = mPendingTaskEvents.size(); i < n; i++) { |
| PendingTaskEvent event = mPendingTaskEvents.get(i); |
| final Task task = event.mTask; |
| final TaskOrganizerState state; |
| switch (event.mEventType) { |
| case PendingTaskEvent.EVENT_APPEARED: |
| state = mTaskOrganizerStates.get(event.mTaskOrg.asBinder()); |
| if (state != null && task.taskAppearedReady()) { |
| state.mOrganizer.onTaskAppeared(task); |
| } |
| break; |
| case PendingTaskEvent.EVENT_VANISHED: |
| state = mTaskOrganizerStates.get(event.mTaskOrg.asBinder()); |
| if (state != null) { |
| state.mOrganizer.onTaskVanished(task); |
| } |
| break; |
| case PendingTaskEvent.EVENT_INFO_CHANGED: |
| dispatchTaskInfoChanged(event.mTask, event.mForce); |
| break; |
| case PendingTaskEvent.EVENT_ROOT_BACK_PRESSED: |
| state = mTaskOrganizerStates.get(event.mTaskOrg.asBinder()); |
| if (state != null) { |
| state.mOrganizer.onBackPressedOnTaskRoot(task); |
| } |
| break; |
| } |
| } |
| mPendingTaskEvents.clear(); |
| } |
| |
| void onTaskInfoChanged(Task task, boolean force) { |
| if (!task.mTaskAppearedSent) { |
| // Skip if task still not appeared. |
| return; |
| } |
| |
| // Defer task info reporting while layout is deferred. This is because layout defer |
| // blocks tend to do lots of re-ordering which can mess up animations in receivers. |
| PendingTaskEvent pending = getPendingLifecycleTaskEvent(task); |
| if (pending == null) { |
| pending = new PendingTaskEvent(task, PendingTaskEvent.EVENT_INFO_CHANGED); |
| } else { |
| if (pending.mEventType != PendingTaskEvent.EVENT_INFO_CHANGED) { |
| // If queued event is appeared, it means task still not appeared so ignore |
| // this info changed. If queued event is vanished, it means task should |
| // will vanished early so do not need this info changed. |
| return; |
| } |
| // Remove and add for re-ordering. |
| mPendingTaskEvents.remove(pending); |
| } |
| pending.mForce |= force; |
| mPendingTaskEvents.add(pending); |
| } |
| |
| private void dispatchTaskInfoChanged(Task task, boolean force) { |
| RunningTaskInfo lastInfo = mLastSentTaskInfos.get(task); |
| if (mTmpTaskInfo == null) { |
| mTmpTaskInfo = new RunningTaskInfo(); |
| } |
| mTmpTaskInfo.configuration.unset(); |
| task.fillTaskInfo(mTmpTaskInfo); |
| |
| boolean changed = !mTmpTaskInfo.equalsForTaskOrganizer(lastInfo); |
| if (!changed) { |
| int cfgChanges = mTmpTaskInfo.configuration.diff(lastInfo.configuration); |
| final int winCfgChanges = (cfgChanges & ActivityInfo.CONFIG_WINDOW_CONFIGURATION) != 0 |
| ? (int) mTmpTaskInfo.configuration.windowConfiguration.diff( |
| lastInfo.configuration.windowConfiguration, |
| true /* compareUndefined */) : 0; |
| if ((winCfgChanges & REPORT_WINDOW_CONFIGS) == 0) { |
| cfgChanges &= ~ActivityInfo.CONFIG_WINDOW_CONFIGURATION; |
| } |
| changed = (cfgChanges & REPORT_CONFIGS) != 0; |
| } |
| if (!(changed || force)) { |
| // mTmpTaskInfo will be reused next time. |
| return; |
| } |
| final RunningTaskInfo newInfo = mTmpTaskInfo; |
| mLastSentTaskInfos.put(task, mTmpTaskInfo); |
| // Since we've stored this, clean up the reference so a new one will be created next time. |
| // Transferring it this way means we only have to construct new RunningTaskInfos when they |
| // change. |
| mTmpTaskInfo = null; |
| |
| if (task.isOrganized()) { |
| // Because we defer sending taskAppeared() until the app has drawn, we may receive a |
| // configuration change before the state actually has the task registered. As such we |
| // should ignore these change events to the organizer until taskAppeared(). If the task |
| // was created by the organizer, then we always send the info change. |
| final TaskOrganizerState state = mTaskOrganizerStates.get( |
| task.mTaskOrganizer.asBinder()); |
| if (state != null) { |
| state.mOrganizer.onTaskInfoChanged(task, newInfo); |
| } |
| } |
| } |
| |
| @Override |
| public WindowContainerToken getImeTarget(int displayId) { |
| enforceTaskPermission("getImeTarget()"); |
| final long origId = Binder.clearCallingIdentity(); |
| try { |
| synchronized (mGlobalLock) { |
| DisplayContent dc = mService.mWindowManager.mRoot |
| .getDisplayContent(displayId); |
| if (dc == null || dc.getImeTarget(IME_TARGET_LAYERING) == null) { |
| return null; |
| } |
| // Avoid WindowState#getRootTask() so we don't attribute system windows to a task. |
| final Task task = dc.getImeTarget(IME_TARGET_LAYERING).getWindow().getTask(); |
| if (task == null) { |
| return null; |
| } |
| return task.getRootTask().mRemoteToken.toWindowContainerToken(); |
| } |
| } finally { |
| Binder.restoreCallingIdentity(origId); |
| } |
| } |
| |
| @Override |
| public List<RunningTaskInfo> getChildTasks(WindowContainerToken parent, |
| @Nullable int[] activityTypes) { |
| enforceTaskPermission("getChildTasks()"); |
| final long ident = Binder.clearCallingIdentity(); |
| try { |
| synchronized (mGlobalLock) { |
| if (parent == null) { |
| throw new IllegalArgumentException("Can't get children of null parent"); |
| } |
| final WindowContainer container = WindowContainer.fromBinder(parent.asBinder()); |
| if (container == null) { |
| Slog.e(TAG, "Can't get children of " + parent + " because it is not valid."); |
| return null; |
| } |
| final Task task = container.asTask(); |
| if (task == null) { |
| Slog.e(TAG, container + " is not a task..."); |
| return null; |
| } |
| // For now, only support returning children of tasks created by the organizer. |
| if (!task.mCreatedByOrganizer) { |
| Slog.w(TAG, "Can only get children of root tasks created via createRootTask"); |
| return null; |
| } |
| ArrayList<RunningTaskInfo> out = new ArrayList<>(); |
| for (int i = task.getChildCount() - 1; i >= 0; --i) { |
| final Task child = task.getChildAt(i).asTask(); |
| if (child == null) continue; |
| if (activityTypes != null |
| && !ArrayUtils.contains(activityTypes, child.getActivityType())) { |
| continue; |
| } |
| out.add(child.getTaskInfo()); |
| } |
| return out; |
| } |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| |
| @Override |
| public List<RunningTaskInfo> getRootTasks(int displayId, @Nullable int[] activityTypes) { |
| enforceTaskPermission("getRootTasks()"); |
| final long ident = Binder.clearCallingIdentity(); |
| try { |
| synchronized (mGlobalLock) { |
| final DisplayContent dc = |
| mService.mRootWindowContainer.getDisplayContent(displayId); |
| if (dc == null) { |
| throw new IllegalArgumentException("Display " + displayId + " doesn't exist"); |
| } |
| final ArrayList<RunningTaskInfo> out = new ArrayList<>(); |
| dc.forAllRootTasks(task -> { |
| if (activityTypes != null |
| && !ArrayUtils.contains(activityTypes, task.getActivityType())) { |
| return; |
| } |
| out.add(task.getTaskInfo()); |
| }); |
| return out; |
| } |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| |
| @Override |
| public void setInterceptBackPressedOnTaskRoot(WindowContainerToken token, |
| boolean interceptBackPressed) { |
| enforceTaskPermission("setInterceptBackPressedOnTaskRoot()"); |
| final long origId = Binder.clearCallingIdentity(); |
| try { |
| synchronized (mGlobalLock) { |
| ProtoLog.v(WM_DEBUG_WINDOW_ORGANIZER, "Set intercept back pressed on root=%b", |
| interceptBackPressed); |
| final WindowContainer wc = WindowContainer.fromBinder(token.asBinder()); |
| if (wc == null) { |
| Slog.w(TAG, "Could not resolve window from token"); |
| return; |
| } |
| final Task task = wc.asTask(); |
| if (task == null) { |
| Slog.w(TAG, "Could not resolve task from token"); |
| return; |
| } |
| if (interceptBackPressed) { |
| mInterceptBackPressedOnRootTasks.add(task.mTaskId); |
| } else { |
| mInterceptBackPressedOnRootTasks.remove(task.mTaskId); |
| } |
| } |
| } finally { |
| Binder.restoreCallingIdentity(origId); |
| } |
| } |
| |
| @Override |
| public void restartTaskTopActivityProcessIfVisible(WindowContainerToken token) { |
| enforceTaskPermission("restartTopActivityProcessIfVisible()"); |
| final long origId = Binder.clearCallingIdentity(); |
| try { |
| synchronized (mGlobalLock) { |
| final WindowContainer wc = WindowContainer.fromBinder(token.asBinder()); |
| if (wc == null) { |
| Slog.w(TAG, "Could not resolve window from token"); |
| return; |
| } |
| final Task task = wc.asTask(); |
| if (task == null) { |
| Slog.w(TAG, "Could not resolve task from token"); |
| return; |
| } |
| ProtoLog.v(WM_DEBUG_WINDOW_ORGANIZER, |
| "Restart top activity process of Task taskId=%d", task.mTaskId); |
| final ActivityRecord activity = task.getTopNonFinishingActivity(); |
| if (activity != null) { |
| activity.restartProcessIfVisible(); |
| } |
| } |
| } finally { |
| Binder.restoreCallingIdentity(origId); |
| } |
| } |
| |
| public boolean handleInterceptBackPressedOnTaskRoot(Task task) { |
| if (task == null || !task.isOrganized() |
| || !mInterceptBackPressedOnRootTasks.contains(task.mTaskId)) { |
| return false; |
| } |
| |
| PendingTaskEvent pendingVanished = |
| getPendingTaskEvent(task, PendingTaskEvent.EVENT_VANISHED); |
| if (pendingVanished != null) { |
| // This task will vanish before this callback so just ignore. |
| return false; |
| } |
| |
| PendingTaskEvent pending = getPendingTaskEvent( |
| task, PendingTaskEvent.EVENT_ROOT_BACK_PRESSED); |
| if (pending == null) { |
| pending = new PendingTaskEvent(task, PendingTaskEvent.EVENT_ROOT_BACK_PRESSED); |
| } else { |
| // Pending already exist, remove and add for re-ordering. |
| mPendingTaskEvents.remove(pending); |
| } |
| mPendingTaskEvents.add(pending); |
| mService.mWindowManager.mWindowPlacerLocked.requestTraversal(); |
| return true; |
| } |
| |
| @Nullable |
| private PendingTaskEvent getPendingTaskEvent(Task task, int type) { |
| for (int i = mPendingTaskEvents.size() - 1; i >= 0; i--) { |
| PendingTaskEvent entry = mPendingTaskEvents.get(i); |
| if (task.mTaskId == entry.mTask.mTaskId && type == entry.mEventType) { |
| return entry; |
| } |
| } |
| return null; |
| } |
| |
| @VisibleForTesting |
| @Nullable |
| PendingTaskEvent getPendingLifecycleTaskEvent(Task task) { |
| for (int i = mPendingTaskEvents.size() - 1; i >= 0; i--) { |
| PendingTaskEvent entry = mPendingTaskEvents.get(i); |
| if (task.mTaskId == entry.mTask.mTaskId && entry.isLifecycleEvent()) { |
| return entry; |
| } |
| } |
| return null; |
| } |
| |
| public void dump(PrintWriter pw, String prefix) { |
| final String innerPrefix = prefix + " "; |
| pw.print(prefix); pw.println("TaskOrganizerController:"); |
| for (final TaskOrganizerState state : mTaskOrganizerStates.values()) { |
| final ArrayList<Task> tasks = state.mOrganizedTasks; |
| pw.print(innerPrefix + " "); |
| pw.println(state.mOrganizer.mTaskOrganizer + " uid=" + state.mUid + ":"); |
| for (int k = 0; k < tasks.size(); k++) { |
| final Task task = tasks.get(k); |
| final int mode = task.getWindowingMode(); |
| if (ArrayUtils.contains(UNSUPPORTED_WINDOWING_MODES, mode)) { |
| continue; |
| } |
| pw.println(innerPrefix + " (" |
| + WindowConfiguration.windowingModeToString(mode) + ") " + task); |
| } |
| |
| } |
| pw.println(); |
| } |
| } |
