| /* |
| * Copyright (C) 2017 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.ACTIVITY_TYPE_HOME; |
| import static android.app.WindowConfiguration.WINDOWING_MODE_SPLIT_SCREEN_PRIMARY; |
| import static android.view.RemoteAnimationTarget.MODE_CLOSING; |
| import static android.view.WindowManager.INPUT_CONSUMER_RECENTS_ANIMATION; |
| import static com.android.server.policy.WindowManagerPolicy.FINISH_LAYOUT_REDO_WALLPAPER; |
| import static com.android.server.wm.WindowManagerDebugConfig.TAG_WITH_CLASS_NAME; |
| import static com.android.server.wm.WindowManagerDebugConfig.TAG_WM; |
| |
| import android.app.ActivityManager.TaskSnapshot; |
| import android.app.WindowConfiguration; |
| import android.graphics.Point; |
| import android.graphics.Rect; |
| import android.os.Binder; |
| import android.os.IBinder; |
| import android.os.RemoteException; |
| import android.os.SystemClock; |
| import android.util.ArraySet; |
| import android.util.Log; |
| import android.util.Slog; |
| import android.view.IRecentsAnimationController; |
| import android.view.IRecentsAnimationRunner; |
| import android.view.RemoteAnimationTarget; |
| import android.view.SurfaceControl; |
| import android.view.SurfaceControl.Transaction; |
| import com.android.server.wm.SurfaceAnimator.OnAnimationFinishedCallback; |
| import com.google.android.collect.Sets; |
| import java.io.PrintWriter; |
| import java.util.ArrayList; |
| |
| /** |
| * Controls a single instance of the remote driven recents animation. In particular, this allows |
| * the calling SystemUI to animate the visible task windows as a part of the transition. The remote |
| * runner is provided an animation controller which allows it to take screenshots and to notify |
| * window manager when the animation is completed. In addition, window manager may also notify the |
| * app if it requires the animation to be canceled at any time (ie. due to timeout, etc.) |
| */ |
| public class RecentsAnimationController { |
| private static final String TAG = TAG_WITH_CLASS_NAME ? "RecentsAnimationController" : TAG_WM; |
| private static final boolean DEBUG = false; |
| |
| private final WindowManagerService mService; |
| private final IRecentsAnimationRunner mRunner; |
| private final RecentsAnimationCallbacks mCallbacks; |
| private final ArrayList<TaskAnimationAdapter> mPendingAnimations = new ArrayList<>(); |
| private final int mDisplayId; |
| |
| // The recents component app token that is shown behind the visibile tasks |
| private AppWindowToken mHomeAppToken; |
| private Rect mMinimizedHomeBounds = new Rect(); |
| |
| // We start the RecentsAnimationController in a pending-start state since we need to wait for |
| // the wallpaper/activity to draw before we can give control to the handler to start animating |
| // the visible task surfaces |
| private boolean mPendingStart = true; |
| |
| // Set when the animation has been canceled |
| private boolean mCanceled = false; |
| |
| // Whether or not the input consumer is enabled. The input consumer must be both registered and |
| // enabled for it to start intercepting touch events. |
| private boolean mInputConsumerEnabled; |
| |
| private Rect mTmpRect = new Rect(); |
| |
| public interface RecentsAnimationCallbacks { |
| void onAnimationFinished(boolean moveHomeToTop); |
| } |
| |
| private final IRecentsAnimationController mController = |
| new IRecentsAnimationController.Stub() { |
| |
| @Override |
| public TaskSnapshot screenshotTask(int taskId) { |
| if (DEBUG) Log.d(TAG, "screenshotTask(" + taskId + "): mCanceled=" + mCanceled); |
| long token = Binder.clearCallingIdentity(); |
| try { |
| synchronized (mService.getWindowManagerLock()) { |
| if (mCanceled) { |
| return null; |
| } |
| for (int i = mPendingAnimations.size() - 1; i >= 0; i--) { |
| final TaskAnimationAdapter adapter = mPendingAnimations.get(i); |
| final Task task = adapter.mTask; |
| if (task.mTaskId == taskId) { |
| final TaskSnapshotController snapshotController = |
| mService.mTaskSnapshotController; |
| final ArraySet<Task> tasks = Sets.newArraySet(task); |
| snapshotController.snapshotTasks(tasks); |
| snapshotController.addSkipClosingAppSnapshotTasks(tasks); |
| return snapshotController.getSnapshot(taskId, 0 /* userId */, |
| false /* restoreFromDisk */, false /* reducedResolution */); |
| } |
| } |
| return null; |
| } |
| } finally { |
| Binder.restoreCallingIdentity(token); |
| } |
| } |
| |
| @Override |
| public void finish(boolean moveHomeToTop) { |
| if (DEBUG) Log.d(TAG, "finish(" + moveHomeToTop + "): mCanceled=" + mCanceled); |
| long token = Binder.clearCallingIdentity(); |
| try { |
| synchronized (mService.getWindowManagerLock()) { |
| if (mCanceled) { |
| return; |
| } |
| } |
| |
| // Note, the callback will handle its own synchronization, do not lock on WM lock |
| // prior to calling the callback |
| mCallbacks.onAnimationFinished(moveHomeToTop); |
| } finally { |
| Binder.restoreCallingIdentity(token); |
| } |
| } |
| |
| @Override |
| public void setInputConsumerEnabled(boolean enabled) { |
| if (DEBUG) Log.d(TAG, "setInputConsumerEnabled(" + enabled + "): mCanceled=" |
| + mCanceled); |
| long token = Binder.clearCallingIdentity(); |
| try { |
| synchronized (mService.getWindowManagerLock()) { |
| if (mCanceled) { |
| return; |
| } |
| |
| mInputConsumerEnabled = enabled; |
| mService.mInputMonitor.updateInputWindowsLw(true /*force*/); |
| mService.scheduleAnimationLocked(); |
| } |
| } finally { |
| Binder.restoreCallingIdentity(token); |
| } |
| } |
| }; |
| |
| /** |
| * @param remoteAnimationRunner The remote runner which should be notified when the animation is |
| * ready to start or has been canceled |
| * @param callbacks Callbacks to be made when the animation finishes |
| */ |
| RecentsAnimationController(WindowManagerService service, |
| IRecentsAnimationRunner remoteAnimationRunner, RecentsAnimationCallbacks callbacks, |
| int displayId) { |
| mService = service; |
| mRunner = remoteAnimationRunner; |
| mCallbacks = callbacks; |
| mDisplayId = displayId; |
| } |
| |
| /** |
| * Initializes the recents animation controller. This is a separate call from the constructor |
| * because it may call cancelAnimation() which needs to properly clean up the controller |
| * in the window manager. |
| */ |
| public void initialize() { |
| // Make leashes for each of the visible tasks and add it to the recents animation to be |
| // started |
| final DisplayContent dc = mService.mRoot.getDisplayContent(mDisplayId); |
| final ArrayList<Task> visibleTasks = dc.getVisibleTasks(); |
| final int taskCount = visibleTasks.size(); |
| for (int i = 0; i < taskCount; i++) { |
| final Task task = visibleTasks.get(i); |
| final WindowConfiguration config = task.getWindowConfiguration(); |
| if (config.tasksAreFloating() |
| || config.getWindowingMode() == WINDOWING_MODE_SPLIT_SCREEN_PRIMARY |
| || config.getActivityType() == ACTIVITY_TYPE_HOME) { |
| continue; |
| } |
| addAnimation(task); |
| } |
| |
| // Skip the animation if there is nothing to animate |
| if (mPendingAnimations.isEmpty()) { |
| cancelAnimation(); |
| return; |
| } |
| |
| // Adjust the wallpaper visibility for the showing home activity |
| final AppWindowToken recentsComponentAppToken = |
| dc.getHomeStack().getTopChild().getTopFullscreenAppToken(); |
| if (recentsComponentAppToken != null) { |
| if (DEBUG) Log.d(TAG, "setHomeApp(" + recentsComponentAppToken.getName() + ")"); |
| mHomeAppToken = recentsComponentAppToken; |
| if (recentsComponentAppToken.windowsCanBeWallpaperTarget()) { |
| dc.pendingLayoutChanges |= FINISH_LAYOUT_REDO_WALLPAPER; |
| dc.setLayoutNeeded(); |
| } |
| } |
| |
| // Save the minimized home height |
| dc.getDockedDividerController().getHomeStackBoundsInDockedMode(mMinimizedHomeBounds); |
| |
| mService.mWindowPlacerLocked.performSurfacePlacement(); |
| } |
| |
| private void addAnimation(Task task) { |
| if (DEBUG) Log.d(TAG, "addAnimation(" + task.getName() + ")"); |
| final SurfaceAnimator anim = new SurfaceAnimator(task, null /* animationFinishedCallback */, |
| mService.mAnimator::addAfterPrepareSurfacesRunnable, mService); |
| final TaskAnimationAdapter taskAdapter = new TaskAnimationAdapter(task); |
| anim.startAnimation(task.getPendingTransaction(), taskAdapter, false /* hidden */); |
| task.commitPendingTransaction(); |
| mPendingAnimations.add(taskAdapter); |
| } |
| |
| void startAnimation() { |
| if (DEBUG) Log.d(TAG, "startAnimation(): mPendingStart=" + mPendingStart |
| + " mCanceled=" + mCanceled); |
| if (!mPendingStart || mCanceled) { |
| // Skip starting if we've already started or canceled the animation |
| return; |
| } |
| try { |
| final RemoteAnimationTarget[] appAnimations = |
| new RemoteAnimationTarget[mPendingAnimations.size()]; |
| for (int i = mPendingAnimations.size() - 1; i >= 0; i--) { |
| appAnimations[i] = mPendingAnimations.get(i).createRemoteAnimationApp(); |
| } |
| mPendingStart = false; |
| |
| final Rect minimizedHomeBounds = |
| mHomeAppToken != null && mHomeAppToken.inSplitScreenSecondaryWindowingMode() |
| ? mMinimizedHomeBounds : null; |
| final Rect contentInsets = |
| mHomeAppToken != null && mHomeAppToken.findMainWindow() != null |
| ? mHomeAppToken.findMainWindow().mContentInsets : null; |
| mRunner.onAnimationStart_New(mController, appAnimations, contentInsets, |
| minimizedHomeBounds); |
| } catch (RemoteException e) { |
| Slog.e(TAG, "Failed to start recents animation", e); |
| } |
| } |
| |
| void cancelAnimation() { |
| if (DEBUG) Log.d(TAG, "cancelAnimation()"); |
| if (mCanceled) { |
| // We've already canceled the animation |
| return; |
| } |
| mCanceled = true; |
| try { |
| mRunner.onAnimationCanceled(); |
| } catch (RemoteException e) { |
| Slog.e(TAG, "Failed to cancel recents animation", e); |
| } |
| |
| // Clean up and return to the previous app |
| mCallbacks.onAnimationFinished(false /* moveHomeToTop */); |
| } |
| |
| void cleanupAnimation() { |
| if (DEBUG) Log.d(TAG, "cleanupAnimation(): mPendingAnimations=" |
| + mPendingAnimations.size()); |
| for (int i = mPendingAnimations.size() - 1; i >= 0; i--) { |
| final TaskAnimationAdapter adapter = mPendingAnimations.get(i); |
| adapter.mCapturedFinishCallback.onAnimationFinished(adapter); |
| } |
| mPendingAnimations.clear(); |
| |
| mService.mInputMonitor.updateInputWindowsLw(true /*force*/); |
| mService.destroyInputConsumer(INPUT_CONSUMER_RECENTS_ANIMATION); |
| } |
| |
| void checkAnimationReady(WallpaperController wallpaperController) { |
| if (mPendingStart) { |
| final boolean wallpaperReady = !isHomeAppOverWallpaper() |
| || (wallpaperController.getWallpaperTarget() != null |
| && wallpaperController.wallpaperTransitionReady()); |
| if (wallpaperReady) { |
| mService.getRecentsAnimationController().startAnimation(); |
| } |
| } |
| } |
| |
| boolean isWallpaperVisible(WindowState w) { |
| return w != null && w.mAppToken != null && mHomeAppToken == w.mAppToken |
| && isHomeAppOverWallpaper(); |
| } |
| |
| boolean hasInputConsumerForApp(AppWindowToken appToken) { |
| return mInputConsumerEnabled && isAnimatingApp(appToken); |
| } |
| |
| boolean updateInputConsumerForApp(InputConsumerImpl recentsAnimationInputConsumer, |
| boolean hasFocus) { |
| // Update the input consumer touchable region to match the home app main window |
| final WindowState homeAppMainWindow = mHomeAppToken != null |
| ? mHomeAppToken.findMainWindow() |
| : null; |
| if (homeAppMainWindow != null) { |
| homeAppMainWindow.getBounds(mTmpRect); |
| recentsAnimationInputConsumer.mWindowHandle.hasFocus = hasFocus; |
| recentsAnimationInputConsumer.mWindowHandle.touchableRegion.set(mTmpRect); |
| return true; |
| } |
| return false; |
| } |
| |
| private boolean isHomeAppOverWallpaper() { |
| if (mHomeAppToken == null) { |
| return false; |
| } |
| return mHomeAppToken.windowsCanBeWallpaperTarget(); |
| } |
| |
| private boolean isAnimatingApp(AppWindowToken appToken) { |
| for (int i = mPendingAnimations.size() - 1; i >= 0; i--) { |
| final Task task = mPendingAnimations.get(i).mTask; |
| for (int j = task.getChildCount() - 1; j >= 0; j--) { |
| final AppWindowToken app = task.getChildAt(j); |
| if (app == appToken) { |
| return true; |
| } |
| } |
| } |
| return false; |
| } |
| |
| private class TaskAnimationAdapter implements AnimationAdapter { |
| |
| private Task mTask; |
| private SurfaceControl mCapturedLeash; |
| private OnAnimationFinishedCallback mCapturedFinishCallback; |
| |
| TaskAnimationAdapter(Task task) { |
| mTask = task; |
| } |
| |
| RemoteAnimationTarget createRemoteAnimationApp() { |
| final Point position = new Point(); |
| final Rect bounds = new Rect(); |
| final WindowContainer container = mTask.getParent(); |
| container.getRelativePosition(position); |
| container.getBounds(bounds); |
| final WindowState mainWindow = mTask.getTopVisibleAppMainWindow(); |
| return new RemoteAnimationTarget(mTask.mTaskId, MODE_CLOSING, mCapturedLeash, |
| !mTask.fillsParent(), mainWindow.mWinAnimator.mLastClipRect, |
| mainWindow.mContentInsets, mTask.getPrefixOrderIndex(), position, bounds, |
| mTask.getWindowConfiguration()); |
| } |
| |
| @Override |
| public boolean getDetachWallpaper() { |
| return false; |
| } |
| |
| @Override |
| public int getBackgroundColor() { |
| return 0; |
| } |
| |
| @Override |
| public void startAnimation(SurfaceControl animationLeash, Transaction t, |
| OnAnimationFinishedCallback finishCallback) { |
| mCapturedLeash = animationLeash; |
| mCapturedFinishCallback = finishCallback; |
| } |
| |
| @Override |
| public void onAnimationCancelled(SurfaceControl animationLeash) { |
| cancelAnimation(); |
| } |
| |
| @Override |
| public long getDurationHint() { |
| return 0; |
| } |
| |
| @Override |
| public long getStatusBarTransitionsStartTime() { |
| return SystemClock.uptimeMillis(); |
| } |
| } |
| |
| public void dump(PrintWriter pw, String prefix) { |
| final String innerPrefix = prefix + " "; |
| pw.print(prefix); pw.println(RecentsAnimationController.class.getSimpleName() + ":"); |
| pw.print(innerPrefix); pw.println("mPendingStart=" + mPendingStart); |
| pw.print(innerPrefix); pw.println("mHomeAppToken=" + mHomeAppToken); |
| } |
| } |