| /* |
| * 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.WINDOWING_MODE_FULLSCREEN; |
| import static android.app.WindowConfiguration.WINDOWING_MODE_SPLIT_SCREEN_PRIMARY; |
| import static android.app.WindowConfiguration.WINDOWING_MODE_UNDEFINED; |
| import static android.view.RemoteAnimationTarget.MODE_CLOSING; |
| import static android.view.RemoteAnimationTarget.MODE_OPENING; |
| import static android.view.WindowManager.DOCKED_INVALID; |
| import static android.view.WindowManager.INPUT_CONSUMER_RECENTS_ANIMATION; |
| import static android.view.WindowManager.LayoutParams.TYPE_BASE_APPLICATION; |
| |
| import static com.android.server.policy.WindowManagerPolicy.FINISH_LAYOUT_REDO_WALLPAPER; |
| import static com.android.server.wm.ActivityTaskManagerInternal.APP_TRANSITION_RECENTS_ANIM; |
| import static com.android.server.wm.AnimationAdapterProto.REMOTE; |
| import static com.android.server.wm.BoundsAnimationController.FADE_IN; |
| import static com.android.server.wm.RemoteAnimationAdapterWrapperProto.TARGET; |
| import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_RECENTS_ANIMATIONS; |
| import static com.android.server.wm.WindowManagerInternal.AppTransitionListener; |
| |
| import android.annotation.IntDef; |
| 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.DeathRecipient; |
| import android.os.RemoteException; |
| import android.os.SystemClock; |
| import android.util.ArraySet; |
| import android.util.Slog; |
| import android.util.SparseBooleanArray; |
| import android.util.SparseIntArray; |
| import android.util.proto.ProtoOutputStream; |
| import android.view.IRecentsAnimationController; |
| import android.view.IRecentsAnimationRunner; |
| import android.view.InputWindowHandle; |
| import android.view.RemoteAnimationTarget; |
| import android.view.SurfaceControl; |
| import android.view.SurfaceControl.Transaction; |
| |
| import com.android.internal.annotations.VisibleForTesting; |
| import com.android.server.LocalServices; |
| import com.android.server.inputmethod.InputMethodManagerInternal; |
| import com.android.server.statusbar.StatusBarManagerInternal; |
| import com.android.server.wm.SurfaceAnimator.OnAnimationFinishedCallback; |
| import com.android.server.wm.utils.InsetUtils; |
| |
| 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 implements DeathRecipient { |
| private static final String TAG = RecentsAnimationController.class.getSimpleName(); |
| private static final long FAILSAFE_DELAY = 1000; |
| |
| public static final int REORDER_KEEP_IN_PLACE = 0; |
| public static final int REORDER_MOVE_TO_TOP = 1; |
| public static final int REORDER_MOVE_TO_ORIGINAL_POSITION = 2; |
| |
| @IntDef(prefix = { "REORDER_MODE_" }, value = { |
| REORDER_KEEP_IN_PLACE, |
| REORDER_MOVE_TO_TOP, |
| REORDER_MOVE_TO_ORIGINAL_POSITION |
| }) |
| public @interface ReorderMode {} |
| |
| private final WindowManagerService mService; |
| private final StatusBarManagerInternal mStatusBar; |
| private IRecentsAnimationRunner mRunner; |
| private final RecentsAnimationCallbacks mCallbacks; |
| private final ArrayList<TaskAnimationAdapter> mPendingAnimations = new ArrayList<>(); |
| private final ArrayList<WallpaperAnimationAdapter> mPendingWallpaperAnimations = |
| new ArrayList<>(); |
| private final int mDisplayId; |
| private final Runnable mFailsafeRunnable = () -> |
| cancelAnimation(REORDER_MOVE_TO_ORIGINAL_POSITION, "failSafeRunnable"); |
| |
| // The recents component app token that is shown behind the visibile tasks |
| private AppWindowToken mTargetAppToken; |
| private DisplayContent mDisplayContent; |
| private int mTargetActivityType; |
| 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; |
| |
| // 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; |
| |
| // Whether or not the recents animation should cause the primary split-screen stack to be |
| // minimized |
| private boolean mSplitScreenMinimized; |
| |
| private final Rect mTmpRect = new Rect(); |
| |
| private boolean mLinkedToDeathOfRunner; |
| |
| // Whether to try to defer canceling from a stack order change until the next transition |
| private boolean mRequestDeferCancelUntilNextTransition; |
| // Whether to actually defer canceling until the next transition |
| private boolean mCancelOnNextTransitionStart; |
| // Whether to take a screenshot when handling a deferred cancel |
| private boolean mCancelDeferredWithScreenshot; |
| |
| /** |
| * Animates the screenshot of task that used to be controlled by RecentsAnimation. |
| * @see {@link #setCancelOnNextTransitionStart} |
| */ |
| SurfaceAnimator mRecentScreenshotAnimator; |
| |
| /** |
| * An app transition listener to cancel the recents animation only after the app transition |
| * starts or is canceled. |
| */ |
| final AppTransitionListener mAppTransitionListener = new AppTransitionListener() { |
| @Override |
| public int onAppTransitionStartingLocked(int transit, long duration, |
| long statusBarAnimationStartTime, long statusBarAnimationDuration) { |
| continueDeferredCancel(); |
| return 0; |
| } |
| |
| @Override |
| public void onAppTransitionCancelledLocked(int transit) { |
| continueDeferredCancel(); |
| } |
| |
| private void continueDeferredCancel() { |
| mDisplayContent.mAppTransition.unregisterListener(this); |
| if (mCanceled) { |
| return; |
| } |
| |
| if (mCancelOnNextTransitionStart) { |
| mCancelOnNextTransitionStart = false; |
| cancelAnimationWithScreenshot(mCancelDeferredWithScreenshot); |
| } |
| } |
| }; |
| |
| public interface RecentsAnimationCallbacks { |
| /** Callback when recents animation is finished. */ |
| void onAnimationFinished(@ReorderMode int reorderMode, boolean sendUserLeaveHint); |
| } |
| |
| private final IRecentsAnimationController mController = |
| new IRecentsAnimationController.Stub() { |
| |
| @Override |
| public TaskSnapshot screenshotTask(int taskId) { |
| if (DEBUG_RECENTS_ANIMATIONS) Slog.d(TAG, "screenshotTask(" + taskId + "):" |
| + " mCanceled=" + mCanceled); |
| final 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, boolean sendUserLeaveHint) { |
| if (DEBUG_RECENTS_ANIMATIONS) Slog.d(TAG, "finish(" + moveHomeToTop + "):" |
| + " mCanceled=" + mCanceled); |
| final 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 |
| ? REORDER_MOVE_TO_TOP |
| : REORDER_MOVE_TO_ORIGINAL_POSITION, sendUserLeaveHint); |
| mDisplayContent.mBoundsAnimationController.setAnimationType(FADE_IN); |
| } finally { |
| Binder.restoreCallingIdentity(token); |
| } |
| } |
| |
| @Override |
| public void setAnimationTargetsBehindSystemBars(boolean behindSystemBars) |
| throws RemoteException { |
| final long token = Binder.clearCallingIdentity(); |
| try { |
| synchronized (mService.getWindowManagerLock()) { |
| for (int i = mPendingAnimations.size() - 1; i >= 0; i--) { |
| final Task task = mPendingAnimations.get(i).mTask; |
| if (task.getActivityType() != mTargetActivityType) { |
| task.setCanAffectSystemUiFlags(behindSystemBars); |
| } |
| } |
| mService.mWindowPlacerLocked.requestTraversal(); |
| } |
| } finally { |
| Binder.restoreCallingIdentity(token); |
| } |
| } |
| |
| @Override |
| public void setInputConsumerEnabled(boolean enabled) { |
| if (DEBUG_RECENTS_ANIMATIONS) Slog.d(TAG, "setInputConsumerEnabled(" + enabled + "):" |
| + " mCanceled=" + mCanceled); |
| final long token = Binder.clearCallingIdentity(); |
| try { |
| synchronized (mService.getWindowManagerLock()) { |
| if (mCanceled) { |
| return; |
| } |
| |
| mInputConsumerEnabled = enabled; |
| final InputMonitor inputMonitor = mDisplayContent.getInputMonitor(); |
| inputMonitor.updateInputWindowsLw(true /*force*/); |
| mService.scheduleAnimationLocked(); |
| } |
| } finally { |
| Binder.restoreCallingIdentity(token); |
| } |
| } |
| |
| @Override |
| public void setSplitScreenMinimized(boolean minimized) { |
| final long token = Binder.clearCallingIdentity(); |
| try { |
| synchronized (mService.getWindowManagerLock()) { |
| if (mCanceled) { |
| return; |
| } |
| |
| mSplitScreenMinimized = minimized; |
| mService.checkSplitScreenMinimizedChanged(true /* animate */); |
| } |
| } finally { |
| Binder.restoreCallingIdentity(token); |
| } |
| } |
| |
| @Override |
| public void hideCurrentInputMethod() { |
| final long token = Binder.clearCallingIdentity(); |
| try { |
| final InputMethodManagerInternal inputMethodManagerInternal = |
| LocalServices.getService(InputMethodManagerInternal.class); |
| if (inputMethodManagerInternal != null) { |
| inputMethodManagerInternal.hideCurrentInputMethod(); |
| } |
| } finally { |
| Binder.restoreCallingIdentity(token); |
| } |
| } |
| |
| @Override |
| @Deprecated |
| public void setCancelWithDeferredScreenshot(boolean screenshot) { |
| synchronized (mService.mGlobalLock) { |
| setDeferredCancel(true /* deferred */, screenshot); |
| } |
| } |
| |
| @Override |
| public void setDeferCancelUntilNextTransition(boolean defer, boolean screenshot) { |
| synchronized (mService.mGlobalLock) { |
| setDeferredCancel(defer, screenshot); |
| } |
| } |
| |
| @Override |
| public void cleanupScreenshot() { |
| synchronized (mService.mGlobalLock) { |
| if (mRecentScreenshotAnimator != null) { |
| mRecentScreenshotAnimator.cancelAnimation(); |
| mRecentScreenshotAnimator = null; |
| } |
| } |
| } |
| }; |
| |
| /** |
| * @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; |
| mStatusBar = LocalServices.getService(StatusBarManagerInternal.class); |
| mDisplayContent = service.mRoot.getDisplayContent(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(int targetActivityType, SparseBooleanArray recentTaskIds) { |
| mTargetActivityType = targetActivityType; |
| mDisplayContent.mAppTransition.registerListenerLocked(mAppTransitionListener); |
| |
| // Make leashes for each of the visible/target tasks and add it to the recents animation to |
| // be started |
| final ArrayList<Task> visibleTasks = mDisplayContent.getVisibleTasks(); |
| final TaskStack targetStack = mDisplayContent.getStack(WINDOWING_MODE_UNDEFINED, |
| targetActivityType); |
| if (targetStack != null) { |
| for (int i = targetStack.getChildCount() - 1; i >= 0; i--) { |
| final Task t = targetStack.getChildAt(i); |
| if (!visibleTasks.contains(t)) { |
| visibleTasks.add(t); |
| } |
| } |
| } |
| 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) { |
| continue; |
| } |
| addAnimation(task, !recentTaskIds.get(task.mTaskId)); |
| } |
| |
| // Skip the animation if there is nothing to animate |
| if (mPendingAnimations.isEmpty()) { |
| cancelAnimation(REORDER_MOVE_TO_ORIGINAL_POSITION, "initialize-noVisibleTasks"); |
| return; |
| } |
| |
| try { |
| linkToDeathOfRunner(); |
| } catch (RemoteException e) { |
| cancelAnimation(REORDER_MOVE_TO_ORIGINAL_POSITION, "initialize-failedToLinkToDeath"); |
| return; |
| } |
| |
| // Adjust the wallpaper visibility for the showing target activity |
| final AppWindowToken recentsComponentAppToken = |
| targetStack.getTopChild().getTopFullscreenAppToken(); |
| if (recentsComponentAppToken != null) { |
| if (DEBUG_RECENTS_ANIMATIONS) Slog.d(TAG, "setHomeApp(" |
| + recentsComponentAppToken.getName() + ")"); |
| mTargetAppToken = recentsComponentAppToken; |
| if (recentsComponentAppToken.windowsCanBeWallpaperTarget()) { |
| mDisplayContent.pendingLayoutChanges |= FINISH_LAYOUT_REDO_WALLPAPER; |
| mDisplayContent.setLayoutNeeded(); |
| } |
| } |
| |
| // Save the minimized home height |
| final TaskStack dockedStack = mDisplayContent.getSplitScreenPrimaryStackIgnoringVisibility(); |
| mDisplayContent.getDockedDividerController().getHomeStackBoundsInDockedMode( |
| mDisplayContent.getConfiguration(), |
| dockedStack == null ? DOCKED_INVALID : dockedStack.getDockSide(), |
| mMinimizedHomeBounds); |
| |
| mService.mWindowPlacerLocked.performSurfacePlacement(); |
| |
| // Notify that the animation has started |
| if (mStatusBar != null) { |
| mStatusBar.onRecentsAnimationStateChanged(true /* running */); |
| } |
| } |
| |
| @VisibleForTesting |
| AnimationAdapter addAnimation(Task task, boolean isRecentTaskInvisible) { |
| if (DEBUG_RECENTS_ANIMATIONS) Slog.d(TAG, "addAnimation(" + task.getName() + ")"); |
| final TaskAnimationAdapter taskAdapter = new TaskAnimationAdapter(task, |
| isRecentTaskInvisible); |
| task.startAnimation(task.getPendingTransaction(), taskAdapter, false /* hidden */); |
| task.commitPendingTransaction(); |
| mPendingAnimations.add(taskAdapter); |
| return taskAdapter; |
| } |
| |
| @VisibleForTesting |
| void removeAnimation(TaskAnimationAdapter taskAdapter) { |
| if (DEBUG_RECENTS_ANIMATIONS) Slog.d(TAG, "removeAnimation(" |
| + taskAdapter.mTask.mTaskId + ")"); |
| taskAdapter.mTask.setCanAffectSystemUiFlags(true); |
| taskAdapter.mCapturedFinishCallback.onAnimationFinished(taskAdapter); |
| mPendingAnimations.remove(taskAdapter); |
| } |
| |
| @VisibleForTesting |
| void removeWallpaperAnimation(WallpaperAnimationAdapter wallpaperAdapter) { |
| if (DEBUG_RECENTS_ANIMATIONS) Slog.d(TAG, "removeWallpaperAnimation()"); |
| wallpaperAdapter.getLeashFinishedCallback().onAnimationFinished(wallpaperAdapter); |
| mPendingWallpaperAnimations.remove(wallpaperAdapter); |
| } |
| |
| void startAnimation() { |
| if (DEBUG_RECENTS_ANIMATIONS) Slog.d(TAG, "startAnimation(): mPendingStart=" + mPendingStart |
| + " mCanceled=" + mCanceled); |
| if (!mPendingStart || mCanceled) { |
| // Skip starting if we've already started or canceled the animation |
| return; |
| } |
| try { |
| // Create the app targets |
| final RemoteAnimationTarget[] appTargets = createAppAnimations(); |
| |
| // Skip the animation if there is nothing to animate |
| if (appTargets.length == 0) { |
| cancelAnimation(REORDER_MOVE_TO_ORIGINAL_POSITION, "startAnimation-noAppWindows"); |
| return; |
| } |
| |
| // Create the wallpaper targets |
| final RemoteAnimationTarget[] wallpaperTargets = createWallpaperAnimations(); |
| |
| mPendingStart = false; |
| |
| // Perform layout if it was scheduled before to make sure that we get correct content |
| // insets for the target app window after a rotation |
| mDisplayContent.performLayout(false /* initial */, false /* updateInputWindows */); |
| |
| final Rect minimizedHomeBounds = mTargetAppToken != null |
| && mTargetAppToken.inSplitScreenSecondaryWindowingMode() |
| ? mMinimizedHomeBounds |
| : null; |
| final Rect contentInsets; |
| if (mTargetAppToken != null && mTargetAppToken.findMainWindow() != null) { |
| contentInsets = mTargetAppToken.findMainWindow().getContentInsets(); |
| } else { |
| // If the window for the activity had not yet been created, use the display insets. |
| mService.getStableInsets(mDisplayId, mTmpRect); |
| contentInsets = mTmpRect; |
| } |
| mRunner.onAnimationStart(mController, appTargets, wallpaperTargets, contentInsets, |
| minimizedHomeBounds); |
| if (DEBUG_RECENTS_ANIMATIONS) { |
| Slog.d(TAG, "startAnimation(): Notify animation start:"); |
| for (int i = 0; i < mPendingAnimations.size(); i++) { |
| final Task task = mPendingAnimations.get(i).mTask; |
| Slog.d(TAG, "\t" + task.mTaskId); |
| } |
| } |
| } catch (RemoteException e) { |
| Slog.e(TAG, "Failed to start recents animation", e); |
| } |
| final SparseIntArray reasons = new SparseIntArray(); |
| reasons.put(WINDOWING_MODE_FULLSCREEN, APP_TRANSITION_RECENTS_ANIM); |
| mService.mAtmInternal.notifyAppTransitionStarting(reasons, SystemClock.uptimeMillis()); |
| } |
| |
| private RemoteAnimationTarget[] createAppAnimations() { |
| final ArrayList<RemoteAnimationTarget> targets = new ArrayList<>(); |
| for (int i = mPendingAnimations.size() - 1; i >= 0; i--) { |
| final TaskAnimationAdapter taskAdapter = mPendingAnimations.get(i); |
| final RemoteAnimationTarget target = taskAdapter.createRemoteAnimationTarget(); |
| if (target != null) { |
| targets.add(target); |
| } else { |
| removeAnimation(taskAdapter); |
| } |
| } |
| return targets.toArray(new RemoteAnimationTarget[targets.size()]); |
| } |
| |
| private RemoteAnimationTarget[] createWallpaperAnimations() { |
| if (DEBUG_RECENTS_ANIMATIONS) Slog.d(TAG, "createWallpaperAnimations()"); |
| return WallpaperAnimationAdapter.startWallpaperAnimations(mService, 0L, 0L, |
| adapter -> { |
| synchronized (mService.mGlobalLock) { |
| // If the wallpaper animation is canceled, continue with the recents |
| // animation |
| mPendingWallpaperAnimations.remove(adapter); |
| } |
| }, mPendingWallpaperAnimations); |
| } |
| |
| void cancelAnimation(@ReorderMode int reorderMode, String reason) { |
| cancelAnimation(reorderMode, false /*screenshot */, reason); |
| } |
| |
| void cancelAnimationWithScreenshot(boolean screenshot) { |
| cancelAnimation(REORDER_KEEP_IN_PLACE, screenshot, "stackOrderChanged"); |
| } |
| |
| private void cancelAnimation(@ReorderMode int reorderMode, boolean screenshot, String reason) { |
| if (DEBUG_RECENTS_ANIMATIONS) Slog.d(TAG, "cancelAnimation(): reason=" + reason); |
| synchronized (mService.getWindowManagerLock()) { |
| if (mCanceled) { |
| // We've already canceled the animation |
| return; |
| } |
| mService.mH.removeCallbacks(mFailsafeRunnable); |
| mCanceled = true; |
| |
| if (screenshot) { |
| // Screen shot previous task when next task starts transition and notify the runner. |
| // We will actually finish the animation once the runner calls cleanUpScreenshot(). |
| final Task task = mPendingAnimations.get(0).mTask; |
| final TaskSnapshot taskSnapshot = screenshotRecentTask(task, reorderMode); |
| try { |
| mRunner.onAnimationCanceled(taskSnapshot); |
| } catch (RemoteException e) { |
| Slog.e(TAG, "Failed to cancel recents animation", e); |
| } |
| if (taskSnapshot == null) { |
| mCallbacks.onAnimationFinished(reorderMode, false /* sendUserLeaveHint */); |
| } |
| } else { |
| // Otherwise, notify the runner and clean up the animation immediately |
| // Note: In the fallback case, this can trigger multiple onAnimationCancel() calls |
| // to the runner if we this actually triggers cancel twice on the caller |
| try { |
| mRunner.onAnimationCanceled(null /* taskSnapshot */); |
| } catch (RemoteException e) { |
| Slog.e(TAG, "Failed to cancel recents animation", e); |
| } |
| mCallbacks.onAnimationFinished(reorderMode, false /* sendUserLeaveHint */); |
| } |
| } |
| } |
| |
| /** |
| * Cancel recents animation when the next app transition starts. |
| * <p> |
| * When we cancel the recents animation due to a stack order change, we can't just cancel it |
| * immediately as it would lead to a flicker in Launcher if we just remove the task from the |
| * leash. Instead we screenshot the previous task and replace the child of the leash with the |
| * screenshot, so that Launcher can still control the leash lifecycle & make the next app |
| * transition animate smoothly without flickering. |
| */ |
| void setCancelOnNextTransitionStart() { |
| mCancelOnNextTransitionStart = true; |
| } |
| |
| /** |
| * Requests that we attempt to defer the cancel until the next app transition if we are |
| * canceling from a stack order change. If {@param screenshot} is specified, then the system |
| * will replace the contents of the leash with a screenshot, which must be cleaned up when the |
| * runner calls cleanUpScreenshot(). |
| */ |
| void setDeferredCancel(boolean defer, boolean screenshot) { |
| mRequestDeferCancelUntilNextTransition = defer; |
| mCancelDeferredWithScreenshot = screenshot; |
| } |
| |
| /** |
| * @return Whether we should defer the cancel from a stack order change until the next app |
| * transition. |
| */ |
| boolean shouldDeferCancelUntilNextTransition() { |
| return mRequestDeferCancelUntilNextTransition; |
| } |
| |
| /** |
| * @return Whether we should both defer the cancel from a stack order change until the next |
| * app transition, and also that the deferred cancel should replace the contents of the leash |
| * with a screenshot. |
| */ |
| boolean shouldDeferCancelWithScreenshot() { |
| return mRequestDeferCancelUntilNextTransition && mCancelDeferredWithScreenshot; |
| } |
| |
| TaskSnapshot screenshotRecentTask(Task task, @ReorderMode int reorderMode) { |
| final TaskSnapshotController snapshotController = mService.mTaskSnapshotController; |
| final ArraySet<Task> tasks = Sets.newArraySet(task); |
| snapshotController.snapshotTasks(tasks); |
| snapshotController.addSkipClosingAppSnapshotTasks(tasks); |
| final TaskSnapshot taskSnapshot = snapshotController.getSnapshot(task.mTaskId, |
| task.mUserId, false /* restoreFromDisk */, false /* reducedResolution */); |
| if (taskSnapshot == null) { |
| return null; |
| } |
| |
| final TaskScreenshotAnimatable animatable = new TaskScreenshotAnimatable(mService.mSurfaceControlFactory, task, |
| new SurfaceControl.ScreenshotGraphicBuffer(taskSnapshot.getSnapshot(), |
| taskSnapshot.getColorSpace(), false /* containsSecureLayers */)); |
| mRecentScreenshotAnimator = new SurfaceAnimator( |
| animatable, |
| () -> { |
| if (DEBUG_RECENTS_ANIMATIONS) { |
| Slog.d(TAG, "mRecentScreenshotAnimator finish"); |
| } |
| mCallbacks.onAnimationFinished(reorderMode, false /* sendUserLeaveHint */); |
| }, mService); |
| mRecentScreenshotAnimator.transferAnimation(task.mSurfaceAnimator); |
| return taskSnapshot; |
| } |
| |
| void cleanupAnimation(@ReorderMode int reorderMode) { |
| if (DEBUG_RECENTS_ANIMATIONS) Slog.d(TAG, |
| "cleanupAnimation(): Notify animation finished mPendingAnimations=" |
| + mPendingAnimations.size() + " reorderMode=" + reorderMode); |
| for (int i = mPendingAnimations.size() - 1; i >= 0; i--) { |
| final TaskAnimationAdapter taskAdapter = mPendingAnimations.get(i); |
| if (reorderMode == REORDER_MOVE_TO_TOP || reorderMode == REORDER_KEEP_IN_PLACE) { |
| taskAdapter.mTask.dontAnimateDimExit(); |
| } |
| removeAnimation(taskAdapter); |
| } |
| |
| for (int i = mPendingWallpaperAnimations.size() - 1; i >= 0; i--) { |
| final WallpaperAnimationAdapter wallpaperAdapter = mPendingWallpaperAnimations.get(i); |
| removeWallpaperAnimation(wallpaperAdapter); |
| } |
| |
| // Clear any pending failsafe runnables |
| mService.mH.removeCallbacks(mFailsafeRunnable); |
| mDisplayContent.mAppTransition.unregisterListener(mAppTransitionListener); |
| |
| // Clear references to the runner |
| unlinkToDeathOfRunner(); |
| mRunner = null; |
| mCanceled = true; |
| |
| // Make sure previous animator has cleaned-up. |
| if (mRecentScreenshotAnimator != null) { |
| mRecentScreenshotAnimator.cancelAnimation(); |
| mRecentScreenshotAnimator = null; |
| } |
| |
| // Update the input windows after the animation is complete |
| final InputMonitor inputMonitor = mDisplayContent.getInputMonitor(); |
| inputMonitor.updateInputWindowsLw(true /*force*/); |
| |
| // We have deferred all notifications to the target app as a part of the recents animation, |
| // so if we are actually transitioning there, notify again here |
| if (mTargetAppToken != null) { |
| if (reorderMode == REORDER_MOVE_TO_TOP || reorderMode == REORDER_KEEP_IN_PLACE) { |
| mDisplayContent.mAppTransition.notifyAppTransitionFinishedLocked( |
| mTargetAppToken.token); |
| } |
| } |
| |
| // Notify that the animation has ended |
| if (mStatusBar != null) { |
| mStatusBar.onRecentsAnimationStateChanged(false /* running */); |
| } |
| } |
| |
| void scheduleFailsafe() { |
| mService.mH.postDelayed(mFailsafeRunnable, FAILSAFE_DELAY); |
| } |
| |
| private void linkToDeathOfRunner() throws RemoteException { |
| if (!mLinkedToDeathOfRunner) { |
| mRunner.asBinder().linkToDeath(this, 0); |
| mLinkedToDeathOfRunner = true; |
| } |
| } |
| |
| private void unlinkToDeathOfRunner() { |
| if (mLinkedToDeathOfRunner) { |
| mRunner.asBinder().unlinkToDeath(this, 0); |
| mLinkedToDeathOfRunner = false; |
| } |
| } |
| |
| @Override |
| public void binderDied() { |
| cancelAnimation(REORDER_MOVE_TO_ORIGINAL_POSITION, "binderDied"); |
| |
| synchronized (mService.getWindowManagerLock()) { |
| // Clear associated input consumers on runner death |
| final InputMonitor inputMonitor = mDisplayContent.getInputMonitor(); |
| inputMonitor.destroyInputConsumer(INPUT_CONSUMER_RECENTS_ANIMATION); |
| } |
| } |
| |
| void checkAnimationReady(WallpaperController wallpaperController) { |
| if (mPendingStart) { |
| final boolean wallpaperReady = !isTargetOverWallpaper() |
| || (wallpaperController.getWallpaperTarget() != null |
| && wallpaperController.wallpaperTransitionReady()); |
| if (wallpaperReady) { |
| mService.getRecentsAnimationController().startAnimation(); |
| } |
| } |
| } |
| |
| boolean isSplitScreenMinimized() { |
| return mSplitScreenMinimized; |
| } |
| |
| boolean isWallpaperVisible(WindowState w) { |
| return w != null && w.mAttrs.type == TYPE_BASE_APPLICATION && w.mAppToken != null |
| && mTargetAppToken == w.mAppToken && isTargetOverWallpaper(); |
| } |
| |
| /** |
| * @return Whether to use the input consumer to override app input to route home/recents. |
| */ |
| boolean shouldApplyInputConsumer(AppWindowToken appToken) { |
| // Only apply the input consumer if it is enabled, it is not the target (home/recents) |
| // being revealed with the transition, and we are actively animating the app as a part of |
| // the animation |
| return mInputConsumerEnabled && mTargetAppToken != appToken && isAnimatingApp(appToken); |
| } |
| |
| boolean updateInputConsumerForApp(InputWindowHandle inputWindowHandle, |
| boolean hasFocus) { |
| // Update the input consumer touchable region to match the target app main window |
| final WindowState targetAppMainWindow = mTargetAppToken != null |
| ? mTargetAppToken.findMainWindow() |
| : null; |
| if (targetAppMainWindow != null) { |
| targetAppMainWindow.getBounds(mTmpRect); |
| inputWindowHandle.hasFocus = hasFocus; |
| inputWindowHandle.touchableRegion.set(mTmpRect); |
| return true; |
| } |
| return false; |
| } |
| |
| boolean isTargetApp(AppWindowToken token) { |
| return mTargetAppToken != null && token == mTargetAppToken; |
| } |
| |
| private boolean isTargetOverWallpaper() { |
| if (mTargetAppToken == null) { |
| return false; |
| } |
| return mTargetAppToken.windowsCanBeWallpaperTarget(); |
| } |
| |
| boolean isAnimatingTask(Task task) { |
| for (int i = mPendingAnimations.size() - 1; i >= 0; i--) { |
| if (task == mPendingAnimations.get(i).mTask) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| boolean isAnimatingWallpaper(WallpaperWindowToken token) { |
| for (int i = mPendingWallpaperAnimations.size() - 1; i >= 0; i--) { |
| if (token == mPendingWallpaperAnimations.get(i).getToken()) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| 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; |
| } |
| |
| boolean shouldIgnoreForAccessibility(WindowState windowState) { |
| final Task task = windowState.getTask(); |
| return task != null && isAnimatingTask(task) && !isTargetApp(windowState.mAppToken); |
| } |
| |
| @VisibleForTesting |
| class TaskAnimationAdapter implements AnimationAdapter { |
| |
| private final Task mTask; |
| private SurfaceControl mCapturedLeash; |
| private OnAnimationFinishedCallback mCapturedFinishCallback; |
| private final boolean mIsRecentTaskInvisible; |
| private RemoteAnimationTarget mTarget; |
| private final Point mPosition = new Point(); |
| private final Rect mBounds = new Rect(); |
| |
| TaskAnimationAdapter(Task task, boolean isRecentTaskInvisible) { |
| mTask = task; |
| mIsRecentTaskInvisible = isRecentTaskInvisible; |
| final WindowContainer container = mTask.getParent(); |
| container.getRelativeDisplayedPosition(mPosition); |
| mBounds.set(container.getDisplayedBounds()); |
| } |
| |
| RemoteAnimationTarget createRemoteAnimationTarget() { |
| final AppWindowToken topApp = mTask.getTopVisibleAppToken(); |
| final WindowState mainWindow = topApp != null |
| ? topApp.findMainWindow() |
| : null; |
| if (mainWindow == null) { |
| return null; |
| } |
| final Rect insets = new Rect(); |
| mainWindow.getContentInsets(insets); |
| InsetUtils.addInsets(insets, mainWindow.mAppToken.getLetterboxInsets()); |
| final int mode = topApp.getActivityType() == mTargetActivityType |
| ? MODE_OPENING |
| : MODE_CLOSING; |
| mTarget = new RemoteAnimationTarget(mTask.mTaskId, mode, mCapturedLeash, |
| !topApp.fillsParent(), mainWindow.mWinAnimator.mLastClipRect, |
| insets, mTask.getPrefixOrderIndex(), mPosition, mBounds, |
| mTask.getWindowConfiguration(), mIsRecentTaskInvisible, null, null); |
| return mTarget; |
| } |
| |
| @Override |
| public boolean getShowWallpaper() { |
| return false; |
| } |
| |
| @Override |
| public void startAnimation(SurfaceControl animationLeash, Transaction t, |
| OnAnimationFinishedCallback finishCallback) { |
| // Restore z-layering, position and stack crop until client has a chance to modify it. |
| t.setLayer(animationLeash, mTask.getPrefixOrderIndex()); |
| t.setPosition(animationLeash, mPosition.x, mPosition.y); |
| mTmpRect.set(mBounds); |
| mTmpRect.offsetTo(0, 0); |
| t.setWindowCrop(animationLeash, mTmpRect); |
| mCapturedLeash = animationLeash; |
| mCapturedFinishCallback = finishCallback; |
| } |
| |
| @Override |
| public void onAnimationCancelled(SurfaceControl animationLeash) { |
| // Cancel the animation immediately if any single task animator is canceled |
| cancelAnimation(REORDER_MOVE_TO_ORIGINAL_POSITION, "taskAnimationAdapterCanceled"); |
| } |
| |
| @Override |
| public long getDurationHint() { |
| return 0; |
| } |
| |
| @Override |
| public long getStatusBarTransitionsStartTime() { |
| return SystemClock.uptimeMillis(); |
| } |
| |
| @Override |
| public void dump(PrintWriter pw, String prefix) { |
| pw.print(prefix); pw.println("task=" + mTask); |
| if (mTarget != null) { |
| pw.print(prefix); pw.println("Target:"); |
| mTarget.dump(pw, prefix + " "); |
| } else { |
| pw.print(prefix); pw.println("Target: null"); |
| } |
| pw.println("mIsRecentTaskInvisible=" + mIsRecentTaskInvisible); |
| pw.println("mPosition=" + mPosition); |
| pw.println("mBounds=" + mBounds); |
| pw.println("mIsRecentTaskInvisible=" + mIsRecentTaskInvisible); |
| } |
| |
| @Override |
| public void writeToProto(ProtoOutputStream proto) { |
| final long token = proto.start(REMOTE); |
| if (mTarget != null) { |
| mTarget.writeToProto(proto, TARGET); |
| } |
| proto.end(token); |
| } |
| } |
| |
| 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("mPendingAnimations=" + mPendingAnimations.size()); |
| pw.print(innerPrefix); pw.println("mCanceled=" + mCanceled); |
| pw.print(innerPrefix); pw.println("mInputConsumerEnabled=" + mInputConsumerEnabled); |
| pw.print(innerPrefix); pw.println("mSplitScreenMinimized=" + mSplitScreenMinimized); |
| pw.print(innerPrefix); pw.println("mTargetAppToken=" + mTargetAppToken); |
| pw.print(innerPrefix); pw.println("isTargetOverWallpaper=" + isTargetOverWallpaper()); |
| pw.print(innerPrefix); pw.println("mRequestDeferCancelUntilNextTransition=" |
| + mRequestDeferCancelUntilNextTransition); |
| pw.print(innerPrefix); pw.println("mCancelOnNextTransitionStart=" |
| + mCancelOnNextTransitionStart); |
| pw.print(innerPrefix); pw.println("mCancelDeferredWithScreenshot=" |
| + mCancelDeferredWithScreenshot); |
| } |
| } |