RecentsAnimation.java revision ddf62975798eff2a68422d075441a4bfcf1cd6b4
1e2d721781fc024cbd9a14929741e5b476242291fWinson Chung/* 2e2d721781fc024cbd9a14929741e5b476242291fWinson Chung * Copyright (C) 2018 The Android Open Source Project 3e2d721781fc024cbd9a14929741e5b476242291fWinson Chung * 4e2d721781fc024cbd9a14929741e5b476242291fWinson Chung * Licensed under the Apache License, Version 2.0 (the "License"); 5e2d721781fc024cbd9a14929741e5b476242291fWinson Chung * you may not use this file except in compliance with the License. 6e2d721781fc024cbd9a14929741e5b476242291fWinson Chung * You may obtain a copy of the License at 7e2d721781fc024cbd9a14929741e5b476242291fWinson Chung * 8e2d721781fc024cbd9a14929741e5b476242291fWinson Chung * http://www.apache.org/licenses/LICENSE-2.0 9e2d721781fc024cbd9a14929741e5b476242291fWinson Chung * 10e2d721781fc024cbd9a14929741e5b476242291fWinson Chung * Unless required by applicable law or agreed to in writing, software 11e2d721781fc024cbd9a14929741e5b476242291fWinson Chung * distributed under the License is distributed on an "AS IS" BASIS, 12e2d721781fc024cbd9a14929741e5b476242291fWinson Chung * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13e2d721781fc024cbd9a14929741e5b476242291fWinson Chung * See the License for the specific language governing permissions and 14e2d721781fc024cbd9a14929741e5b476242291fWinson Chung * limitations under the License. 15e2d721781fc024cbd9a14929741e5b476242291fWinson Chung */ 16e2d721781fc024cbd9a14929741e5b476242291fWinson Chung 17e2d721781fc024cbd9a14929741e5b476242291fWinson Chungpackage com.android.server.am; 18e2d721781fc024cbd9a14929741e5b476242291fWinson Chung 19e2d721781fc024cbd9a14929741e5b476242291fWinson Chungimport static android.app.ActivityManager.StackId.INVALID_STACK_ID; 20e2d721781fc024cbd9a14929741e5b476242291fWinson Chungimport static android.app.WindowConfiguration.ACTIVITY_TYPE_HOME; 21e2d721781fc024cbd9a14929741e5b476242291fWinson Chungimport static android.content.Intent.FLAG_ACTIVITY_NEW_TASK; 22e2d721781fc024cbd9a14929741e5b476242291fWinson Chungimport static android.content.Intent.FLAG_ACTIVITY_NO_ANIMATION; 23584d652a1dba2b09975a1555c71ed339374faac7Winson Chungimport static android.os.Trace.TRACE_TAG_ACTIVITY_MANAGER; 24e2d721781fc024cbd9a14929741e5b476242291fWinson Chungimport static android.view.WindowManager.TRANSIT_NONE; 25e2d721781fc024cbd9a14929741e5b476242291fWinson Chungimport static com.android.server.am.ActivityStackSupervisor.PRESERVE_WINDOWS; 26e2d721781fc024cbd9a14929741e5b476242291fWinson Chung 27e2d721781fc024cbd9a14929741e5b476242291fWinson Chungimport android.app.ActivityOptions; 28e2d721781fc024cbd9a14929741e5b476242291fWinson Chungimport android.content.ComponentName; 29e2d721781fc024cbd9a14929741e5b476242291fWinson Chungimport android.content.Intent; 30e2d721781fc024cbd9a14929741e5b476242291fWinson Chungimport android.os.Handler; 31ddf62975798eff2a68422d075441a4bfcf1cd6b4Winson Chungimport android.os.RemoteException; 32584d652a1dba2b09975a1555c71ed339374faac7Winson Chungimport android.os.Trace; 33ddf62975798eff2a68422d075441a4bfcf1cd6b4Winson Chungimport android.util.Slog; 34e2d721781fc024cbd9a14929741e5b476242291fWinson Chungimport android.view.IRecentsAnimationRunner; 35e2d721781fc024cbd9a14929741e5b476242291fWinson Chungimport com.android.server.wm.RecentsAnimationController.RecentsAnimationCallbacks; 36e2d721781fc024cbd9a14929741e5b476242291fWinson Chungimport com.android.server.wm.WindowManagerService; 37e2d721781fc024cbd9a14929741e5b476242291fWinson Chung 38e2d721781fc024cbd9a14929741e5b476242291fWinson Chung/** 39e2d721781fc024cbd9a14929741e5b476242291fWinson Chung * Manages the recents animation, including the reordering of the stacks for the transition and 40e2d721781fc024cbd9a14929741e5b476242291fWinson Chung * cleanup. See {@link com.android.server.wm.RecentsAnimationController}. 41e2d721781fc024cbd9a14929741e5b476242291fWinson Chung */ 42e2d721781fc024cbd9a14929741e5b476242291fWinson Chungclass RecentsAnimation implements RecentsAnimationCallbacks { 43e2d721781fc024cbd9a14929741e5b476242291fWinson Chung private static final String TAG = RecentsAnimation.class.getSimpleName(); 44e2d721781fc024cbd9a14929741e5b476242291fWinson Chung 45e2d721781fc024cbd9a14929741e5b476242291fWinson Chung private static final int RECENTS_ANIMATION_TIMEOUT = 10 * 1000; 46e2d721781fc024cbd9a14929741e5b476242291fWinson Chung 47e2d721781fc024cbd9a14929741e5b476242291fWinson Chung private final ActivityManagerService mService; 48e2d721781fc024cbd9a14929741e5b476242291fWinson Chung private final ActivityStackSupervisor mStackSupervisor; 49e2d721781fc024cbd9a14929741e5b476242291fWinson Chung private final ActivityStartController mActivityStartController; 50e2d721781fc024cbd9a14929741e5b476242291fWinson Chung private final WindowManagerService mWindowManager; 51e2d721781fc024cbd9a14929741e5b476242291fWinson Chung private final UserController mUserController; 52e2d721781fc024cbd9a14929741e5b476242291fWinson Chung private final Handler mHandler; 53e2d721781fc024cbd9a14929741e5b476242291fWinson Chung 54e2d721781fc024cbd9a14929741e5b476242291fWinson Chung private final Runnable mCancelAnimationRunnable; 55e2d721781fc024cbd9a14929741e5b476242291fWinson Chung 56e2d721781fc024cbd9a14929741e5b476242291fWinson Chung // The stack to restore the home stack behind when the animation is finished 57e2d721781fc024cbd9a14929741e5b476242291fWinson Chung private ActivityStack mRestoreHomeBehindStack; 58e2d721781fc024cbd9a14929741e5b476242291fWinson Chung 59e2d721781fc024cbd9a14929741e5b476242291fWinson Chung RecentsAnimation(ActivityManagerService am, ActivityStackSupervisor stackSupervisor, 60e2d721781fc024cbd9a14929741e5b476242291fWinson Chung ActivityStartController activityStartController, WindowManagerService wm, 61e2d721781fc024cbd9a14929741e5b476242291fWinson Chung UserController userController) { 62e2d721781fc024cbd9a14929741e5b476242291fWinson Chung mService = am; 63e2d721781fc024cbd9a14929741e5b476242291fWinson Chung mStackSupervisor = stackSupervisor; 64e2d721781fc024cbd9a14929741e5b476242291fWinson Chung mActivityStartController = activityStartController; 65e2d721781fc024cbd9a14929741e5b476242291fWinson Chung mHandler = new Handler(mStackSupervisor.mLooper); 66e2d721781fc024cbd9a14929741e5b476242291fWinson Chung mWindowManager = wm; 67e2d721781fc024cbd9a14929741e5b476242291fWinson Chung mUserController = userController; 68ddf62975798eff2a68422d075441a4bfcf1cd6b4Winson Chung 69e2d721781fc024cbd9a14929741e5b476242291fWinson Chung mCancelAnimationRunnable = () -> { 70e2d721781fc024cbd9a14929741e5b476242291fWinson Chung // The caller has not finished the animation in a predefined amount of time, so 71e2d721781fc024cbd9a14929741e5b476242291fWinson Chung // force-cancel the animation 72e2d721781fc024cbd9a14929741e5b476242291fWinson Chung mWindowManager.cancelRecentsAnimation(); 73e2d721781fc024cbd9a14929741e5b476242291fWinson Chung }; 74e2d721781fc024cbd9a14929741e5b476242291fWinson Chung } 75e2d721781fc024cbd9a14929741e5b476242291fWinson Chung 76e2d721781fc024cbd9a14929741e5b476242291fWinson Chung void startRecentsActivity(Intent intent, IRecentsAnimationRunner recentsAnimationRunner, 77e2d721781fc024cbd9a14929741e5b476242291fWinson Chung ComponentName recentsComponent, int recentsUid) { 78584d652a1dba2b09975a1555c71ed339374faac7Winson Chung Trace.traceBegin(TRACE_TAG_ACTIVITY_MANAGER, "RecentsAnimation#startRecentsActivity"); 79ddf62975798eff2a68422d075441a4bfcf1cd6b4Winson Chung 80ddf62975798eff2a68422d075441a4bfcf1cd6b4Winson Chung if (!mWindowManager.canStartRecentsAnimation()) { 81ddf62975798eff2a68422d075441a4bfcf1cd6b4Winson Chung notifyAnimationCancelBeforeStart(recentsAnimationRunner); 82ddf62975798eff2a68422d075441a4bfcf1cd6b4Winson Chung return; 83ddf62975798eff2a68422d075441a4bfcf1cd6b4Winson Chung } 84ddf62975798eff2a68422d075441a4bfcf1cd6b4Winson Chung 85ddf62975798eff2a68422d075441a4bfcf1cd6b4Winson Chung // If the existing home activity is already on top, then cancel 86ddf62975798eff2a68422d075441a4bfcf1cd6b4Winson Chung ActivityRecord homeActivity = mStackSupervisor.getHomeActivity(); 87ddf62975798eff2a68422d075441a4bfcf1cd6b4Winson Chung final boolean hasExistingHomeActivity = homeActivity != null; 88ddf62975798eff2a68422d075441a4bfcf1cd6b4Winson Chung if (hasExistingHomeActivity) { 89ddf62975798eff2a68422d075441a4bfcf1cd6b4Winson Chung final ActivityDisplay display = homeActivity.getDisplay(); 90ddf62975798eff2a68422d075441a4bfcf1cd6b4Winson Chung mRestoreHomeBehindStack = display.getStackAboveHome(); 91ddf62975798eff2a68422d075441a4bfcf1cd6b4Winson Chung if (mRestoreHomeBehindStack == null) { 92ddf62975798eff2a68422d075441a4bfcf1cd6b4Winson Chung notifyAnimationCancelBeforeStart(recentsAnimationRunner); 93ddf62975798eff2a68422d075441a4bfcf1cd6b4Winson Chung return; 94ddf62975798eff2a68422d075441a4bfcf1cd6b4Winson Chung } 95ddf62975798eff2a68422d075441a4bfcf1cd6b4Winson Chung } 96ddf62975798eff2a68422d075441a4bfcf1cd6b4Winson Chung 971e6d4a9e001f910de9396f4056eb74fdf9b8257cWinson Chung mWindowManager.deferSurfaceLayout(); 981e6d4a9e001f910de9396f4056eb74fdf9b8257cWinson Chung try { 99e2d721781fc024cbd9a14929741e5b476242291fWinson Chung 100ddf62975798eff2a68422d075441a4bfcf1cd6b4Winson Chung final ActivityDisplay display; 101ddf62975798eff2a68422d075441a4bfcf1cd6b4Winson Chung if (hasExistingHomeActivity) { 102ddf62975798eff2a68422d075441a4bfcf1cd6b4Winson Chung // Move the home activity into place for the animation if it is not already top most 103ddf62975798eff2a68422d075441a4bfcf1cd6b4Winson Chung display = homeActivity.getDisplay(); 104ddf62975798eff2a68422d075441a4bfcf1cd6b4Winson Chung display.moveHomeStackBehindBottomMostVisibleStack(); 105ddf62975798eff2a68422d075441a4bfcf1cd6b4Winson Chung } else { 1061e6d4a9e001f910de9396f4056eb74fdf9b8257cWinson Chung // No home activity 1071e6d4a9e001f910de9396f4056eb74fdf9b8257cWinson Chung final ActivityOptions opts = ActivityOptions.makeBasic(); 1081e6d4a9e001f910de9396f4056eb74fdf9b8257cWinson Chung opts.setLaunchActivityType(ACTIVITY_TYPE_HOME); 1091e6d4a9e001f910de9396f4056eb74fdf9b8257cWinson Chung opts.setAvoidMoveToFront(); 1101e6d4a9e001f910de9396f4056eb74fdf9b8257cWinson Chung intent.addFlags(FLAG_ACTIVITY_NEW_TASK | FLAG_ACTIVITY_NO_ANIMATION); 1111e6d4a9e001f910de9396f4056eb74fdf9b8257cWinson Chung 1121e6d4a9e001f910de9396f4056eb74fdf9b8257cWinson Chung mActivityStartController 1131e6d4a9e001f910de9396f4056eb74fdf9b8257cWinson Chung .obtainStarter(intent, "startRecentsActivity_noHomeActivity") 1141e6d4a9e001f910de9396f4056eb74fdf9b8257cWinson Chung .setCallingUid(recentsUid) 1151e6d4a9e001f910de9396f4056eb74fdf9b8257cWinson Chung .setCallingPackage(recentsComponent.getPackageName()) 1161e6d4a9e001f910de9396f4056eb74fdf9b8257cWinson Chung .setActivityOptions(SafeActivityOptions.fromBundle(opts.toBundle())) 1171e6d4a9e001f910de9396f4056eb74fdf9b8257cWinson Chung .setMayWait(mUserController.getCurrentUserId()) 1181e6d4a9e001f910de9396f4056eb74fdf9b8257cWinson Chung .execute(); 1191e6d4a9e001f910de9396f4056eb74fdf9b8257cWinson Chung mWindowManager.prepareAppTransition(TRANSIT_NONE, false); 120e2d721781fc024cbd9a14929741e5b476242291fWinson Chung 121ddf62975798eff2a68422d075441a4bfcf1cd6b4Winson Chung homeActivity = mStackSupervisor.getHomeActivity(); 122ddf62975798eff2a68422d075441a4bfcf1cd6b4Winson Chung display = homeActivity.getDisplay(); 123ddf62975798eff2a68422d075441a4bfcf1cd6b4Winson Chung 1241e6d4a9e001f910de9396f4056eb74fdf9b8257cWinson Chung // TODO: Maybe wait for app to draw in this particular case? 1251e6d4a9e001f910de9396f4056eb74fdf9b8257cWinson Chung } 126e2d721781fc024cbd9a14929741e5b476242291fWinson Chung 1271e6d4a9e001f910de9396f4056eb74fdf9b8257cWinson Chung // Mark the home activity as launch-behind to bump its visibility for the 1281e6d4a9e001f910de9396f4056eb74fdf9b8257cWinson Chung // duration of the gesture that is driven by the recents component 1291e6d4a9e001f910de9396f4056eb74fdf9b8257cWinson Chung homeActivity.mLaunchTaskBehind = true; 130e2d721781fc024cbd9a14929741e5b476242291fWinson Chung 131ddf62975798eff2a68422d075441a4bfcf1cd6b4Winson Chung // Post a timeout for the animation. This needs to happen before initializing the 132ddf62975798eff2a68422d075441a4bfcf1cd6b4Winson Chung // recents animation on the WM side since we may decide to cancel the animation there 133ddf62975798eff2a68422d075441a4bfcf1cd6b4Winson Chung mHandler.postDelayed(mCancelAnimationRunnable, RECENTS_ANIMATION_TIMEOUT); 134ddf62975798eff2a68422d075441a4bfcf1cd6b4Winson Chung 1351e6d4a9e001f910de9396f4056eb74fdf9b8257cWinson Chung // Fetch all the surface controls and pass them to the client to get the animation 1361e6d4a9e001f910de9396f4056eb74fdf9b8257cWinson Chung // started 1371e6d4a9e001f910de9396f4056eb74fdf9b8257cWinson Chung mWindowManager.initializeRecentsAnimation(recentsAnimationRunner, this, 1381e6d4a9e001f910de9396f4056eb74fdf9b8257cWinson Chung display.mDisplayId); 139e2d721781fc024cbd9a14929741e5b476242291fWinson Chung 1401e6d4a9e001f910de9396f4056eb74fdf9b8257cWinson Chung // If we updated the launch-behind state, update the visibility of the activities after 1411e6d4a9e001f910de9396f4056eb74fdf9b8257cWinson Chung // we fetch the visible tasks to be controlled by the animation 1421e6d4a9e001f910de9396f4056eb74fdf9b8257cWinson Chung mStackSupervisor.ensureActivitiesVisibleLocked(null, 0, PRESERVE_WINDOWS); 1431e6d4a9e001f910de9396f4056eb74fdf9b8257cWinson Chung } finally { 1441e6d4a9e001f910de9396f4056eb74fdf9b8257cWinson Chung mWindowManager.continueSurfaceLayout(); 145584d652a1dba2b09975a1555c71ed339374faac7Winson Chung Trace.traceEnd(TRACE_TAG_ACTIVITY_MANAGER); 1461e6d4a9e001f910de9396f4056eb74fdf9b8257cWinson Chung } 147e2d721781fc024cbd9a14929741e5b476242291fWinson Chung } 148e2d721781fc024cbd9a14929741e5b476242291fWinson Chung 149e2d721781fc024cbd9a14929741e5b476242291fWinson Chung @Override 150e2d721781fc024cbd9a14929741e5b476242291fWinson Chung public void onAnimationFinished(boolean moveHomeToTop) { 151e2d721781fc024cbd9a14929741e5b476242291fWinson Chung mHandler.removeCallbacks(mCancelAnimationRunnable); 152e2d721781fc024cbd9a14929741e5b476242291fWinson Chung synchronized (mService) { 153e2d721781fc024cbd9a14929741e5b476242291fWinson Chung if (mWindowManager.getRecentsAnimationController() == null) return; 154e2d721781fc024cbd9a14929741e5b476242291fWinson Chung 155e2d721781fc024cbd9a14929741e5b476242291fWinson Chung mWindowManager.inSurfaceTransaction(() -> { 156584d652a1dba2b09975a1555c71ed339374faac7Winson Chung Trace.traceBegin(TRACE_TAG_ACTIVITY_MANAGER, 157584d652a1dba2b09975a1555c71ed339374faac7Winson Chung "RecentsAnimation#onAnimationFinished_inSurfaceTransaction"); 1581e6d4a9e001f910de9396f4056eb74fdf9b8257cWinson Chung mWindowManager.deferSurfaceLayout(); 1591e6d4a9e001f910de9396f4056eb74fdf9b8257cWinson Chung try { 1601e6d4a9e001f910de9396f4056eb74fdf9b8257cWinson Chung mWindowManager.cleanupRecentsAnimation(); 1611e6d4a9e001f910de9396f4056eb74fdf9b8257cWinson Chung 1621e6d4a9e001f910de9396f4056eb74fdf9b8257cWinson Chung // Move the home stack to the front 1631e6d4a9e001f910de9396f4056eb74fdf9b8257cWinson Chung final ActivityRecord homeActivity = mStackSupervisor.getHomeActivity(); 1641e6d4a9e001f910de9396f4056eb74fdf9b8257cWinson Chung if (homeActivity == null) { 1651e6d4a9e001f910de9396f4056eb74fdf9b8257cWinson Chung return; 1661e6d4a9e001f910de9396f4056eb74fdf9b8257cWinson Chung } 1671e6d4a9e001f910de9396f4056eb74fdf9b8257cWinson Chung 1681e6d4a9e001f910de9396f4056eb74fdf9b8257cWinson Chung // Restore the launched-behind state 1691e6d4a9e001f910de9396f4056eb74fdf9b8257cWinson Chung homeActivity.mLaunchTaskBehind = false; 1701e6d4a9e001f910de9396f4056eb74fdf9b8257cWinson Chung 1711e6d4a9e001f910de9396f4056eb74fdf9b8257cWinson Chung if (moveHomeToTop) { 1721e6d4a9e001f910de9396f4056eb74fdf9b8257cWinson Chung // Bring the home stack to the front 1731e6d4a9e001f910de9396f4056eb74fdf9b8257cWinson Chung final ActivityStack homeStack = homeActivity.getStack(); 174fa9ed96f1e9970e8867daa0b76175006c082b890Jorim Jaggi mStackSupervisor.mNoAnimActivities.add(homeActivity); 1751e6d4a9e001f910de9396f4056eb74fdf9b8257cWinson Chung homeStack.moveToFront("RecentsAnimation.onAnimationFinished()"); 1761e6d4a9e001f910de9396f4056eb74fdf9b8257cWinson Chung } else { 1771e6d4a9e001f910de9396f4056eb74fdf9b8257cWinson Chung // Restore the home stack to its previous position 1781e6d4a9e001f910de9396f4056eb74fdf9b8257cWinson Chung final ActivityDisplay display = homeActivity.getDisplay(); 1791e6d4a9e001f910de9396f4056eb74fdf9b8257cWinson Chung display.moveHomeStackBehindStack(mRestoreHomeBehindStack); 1801e6d4a9e001f910de9396f4056eb74fdf9b8257cWinson Chung } 1811e6d4a9e001f910de9396f4056eb74fdf9b8257cWinson Chung 1821e6d4a9e001f910de9396f4056eb74fdf9b8257cWinson Chung mWindowManager.prepareAppTransition(TRANSIT_NONE, false); 1831e6d4a9e001f910de9396f4056eb74fdf9b8257cWinson Chung mStackSupervisor.ensureActivitiesVisibleLocked(null, 0, false); 1841e6d4a9e001f910de9396f4056eb74fdf9b8257cWinson Chung mStackSupervisor.resumeFocusedStackTopActivityLocked(); 1851e6d4a9e001f910de9396f4056eb74fdf9b8257cWinson Chung 1861e6d4a9e001f910de9396f4056eb74fdf9b8257cWinson Chung // No reason to wait for the pausing activity in this case, as the hiding of 1871e6d4a9e001f910de9396f4056eb74fdf9b8257cWinson Chung // surfaces needs to be done immediately. 1881e6d4a9e001f910de9396f4056eb74fdf9b8257cWinson Chung mWindowManager.executeAppTransition(); 1891e6d4a9e001f910de9396f4056eb74fdf9b8257cWinson Chung } finally { 1901e6d4a9e001f910de9396f4056eb74fdf9b8257cWinson Chung mWindowManager.continueSurfaceLayout(); 191584d652a1dba2b09975a1555c71ed339374faac7Winson Chung Trace.traceEnd(TRACE_TAG_ACTIVITY_MANAGER); 192e2d721781fc024cbd9a14929741e5b476242291fWinson Chung } 193e2d721781fc024cbd9a14929741e5b476242291fWinson Chung }); 194e2d721781fc024cbd9a14929741e5b476242291fWinson Chung } 195e2d721781fc024cbd9a14929741e5b476242291fWinson Chung } 196ddf62975798eff2a68422d075441a4bfcf1cd6b4Winson Chung 197ddf62975798eff2a68422d075441a4bfcf1cd6b4Winson Chung /** 198ddf62975798eff2a68422d075441a4bfcf1cd6b4Winson Chung * Called only when the animation should be canceled prior to starting. 199ddf62975798eff2a68422d075441a4bfcf1cd6b4Winson Chung */ 200ddf62975798eff2a68422d075441a4bfcf1cd6b4Winson Chung private void notifyAnimationCancelBeforeStart(IRecentsAnimationRunner recentsAnimationRunner) { 201ddf62975798eff2a68422d075441a4bfcf1cd6b4Winson Chung try { 202ddf62975798eff2a68422d075441a4bfcf1cd6b4Winson Chung recentsAnimationRunner.onAnimationCanceled(); 203ddf62975798eff2a68422d075441a4bfcf1cd6b4Winson Chung } catch (RemoteException e) { 204ddf62975798eff2a68422d075441a4bfcf1cd6b4Winson Chung Slog.e(TAG, "Failed to cancel recents animation before start", e); 205ddf62975798eff2a68422d075441a4bfcf1cd6b4Winson Chung } 206ddf62975798eff2a68422d075441a4bfcf1cd6b4Winson Chung } 207e2d721781fc024cbd9a14929741e5b476242291fWinson Chung} 208