| /* |
| * Copyright (C) 2010 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.ActivityTaskManager.INVALID_TASK_ID; |
| import static android.app.ITaskStackListener.FORCED_RESIZEABLE_REASON_SPLIT_SCREEN; |
| import static android.app.WindowConfiguration.ACTIVITY_TYPE_STANDARD; |
| import static android.app.WindowConfiguration.ACTIVITY_TYPE_UNDEFINED; |
| import static android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN; |
| import static android.app.WindowConfiguration.WINDOWING_MODE_PINNED; |
| import static android.app.WindowConfiguration.WINDOWING_MODE_SPLIT_SCREEN_PRIMARY; |
| import static android.app.WindowConfiguration.WINDOWING_MODE_UNDEFINED; |
| import static android.app.WindowConfiguration.activityTypeToString; |
| import static android.app.WindowConfiguration.windowingModeToString; |
| import static android.content.pm.ActivityInfo.CONFIG_SCREEN_LAYOUT; |
| import static android.content.pm.ActivityInfo.FLAG_RESUME_WHILE_PAUSING; |
| import static android.content.pm.ActivityInfo.FLAG_SHOW_FOR_ALL_USERS; |
| import static android.os.Trace.TRACE_TAG_WINDOW_MANAGER; |
| import static android.view.Display.DEFAULT_DISPLAY; |
| import static android.view.Display.FLAG_CAN_SHOW_WITH_INSECURE_KEYGUARD; |
| import static android.view.Display.INVALID_DISPLAY; |
| import static android.view.WindowManager.TRANSIT_ACTIVITY_CLOSE; |
| import static android.view.WindowManager.TRANSIT_ACTIVITY_OPEN; |
| import static android.view.WindowManager.TRANSIT_CRASHING_ACTIVITY_CLOSE; |
| import static android.view.WindowManager.TRANSIT_NONE; |
| import static android.view.WindowManager.TRANSIT_SHOW_SINGLE_TASK_DISPLAY; |
| import static android.view.WindowManager.TRANSIT_TASK_CLOSE; |
| import static android.view.WindowManager.TRANSIT_TASK_OPEN; |
| import static android.view.WindowManager.TRANSIT_TASK_OPEN_BEHIND; |
| import static android.view.WindowManager.TRANSIT_TASK_TO_BACK; |
| import static android.view.WindowManager.TRANSIT_TASK_TO_FRONT; |
| |
| import static com.android.server.wm.ActivityStack.ActivityState.PAUSED; |
| import static com.android.server.wm.ActivityStack.ActivityState.PAUSING; |
| import static com.android.server.wm.ActivityStack.ActivityState.RESUMED; |
| import static com.android.server.wm.ActivityStack.ActivityState.STARTED; |
| import static com.android.server.wm.ActivityStack.ActivityState.STOPPED; |
| import static com.android.server.wm.ActivityStack.ActivityState.STOPPING; |
| import static com.android.server.wm.ActivityStackSupervisor.DEFER_RESUME; |
| import static com.android.server.wm.ActivityStackSupervisor.PRESERVE_WINDOWS; |
| import static com.android.server.wm.ActivityStackSupervisor.dumpHistoryList; |
| import static com.android.server.wm.ActivityStackSupervisor.printThisActivity; |
| import static com.android.server.wm.ActivityTaskManagerDebugConfig.DEBUG_ADD_REMOVE; |
| import static com.android.server.wm.ActivityTaskManagerDebugConfig.DEBUG_ALL; |
| import static com.android.server.wm.ActivityTaskManagerDebugConfig.DEBUG_APP; |
| import static com.android.server.wm.ActivityTaskManagerDebugConfig.DEBUG_CLEANUP; |
| import static com.android.server.wm.ActivityTaskManagerDebugConfig.DEBUG_PAUSE; |
| import static com.android.server.wm.ActivityTaskManagerDebugConfig.DEBUG_RESULTS; |
| import static com.android.server.wm.ActivityTaskManagerDebugConfig.DEBUG_STATES; |
| import static com.android.server.wm.ActivityTaskManagerDebugConfig.DEBUG_SWITCH; |
| import static com.android.server.wm.ActivityTaskManagerDebugConfig.DEBUG_TRANSITION; |
| import static com.android.server.wm.ActivityTaskManagerDebugConfig.DEBUG_USER_LEAVING; |
| import static com.android.server.wm.ActivityTaskManagerDebugConfig.POSTFIX_ADD_REMOVE; |
| import static com.android.server.wm.ActivityTaskManagerDebugConfig.POSTFIX_APP; |
| import static com.android.server.wm.ActivityTaskManagerDebugConfig.POSTFIX_CLEANUP; |
| import static com.android.server.wm.ActivityTaskManagerDebugConfig.POSTFIX_PAUSE; |
| import static com.android.server.wm.ActivityTaskManagerDebugConfig.POSTFIX_RELEASE; |
| import static com.android.server.wm.ActivityTaskManagerDebugConfig.POSTFIX_RESULTS; |
| import static com.android.server.wm.ActivityTaskManagerDebugConfig.POSTFIX_STACK; |
| import static com.android.server.wm.ActivityTaskManagerDebugConfig.POSTFIX_STATES; |
| import static com.android.server.wm.ActivityTaskManagerDebugConfig.POSTFIX_SWITCH; |
| import static com.android.server.wm.ActivityTaskManagerDebugConfig.POSTFIX_TASKS; |
| import static com.android.server.wm.ActivityTaskManagerDebugConfig.POSTFIX_TRANSITION; |
| import static com.android.server.wm.ActivityTaskManagerDebugConfig.POSTFIX_USER_LEAVING; |
| import static com.android.server.wm.ActivityTaskManagerDebugConfig.POSTFIX_VISIBILITY; |
| import static com.android.server.wm.ActivityTaskManagerDebugConfig.TAG_ATM; |
| import static com.android.server.wm.ActivityTaskManagerDebugConfig.TAG_WITH_CLASS_NAME; |
| import static com.android.server.wm.ActivityTaskManagerService.H.FIRST_ACTIVITY_STACK_MSG; |
| import static com.android.server.wm.ActivityTaskManagerService.RELAUNCH_REASON_FREE_RESIZE; |
| import static com.android.server.wm.ActivityTaskManagerService.RELAUNCH_REASON_WINDOWING_MODE_RESIZE; |
| import static com.android.server.wm.TaskProto.ACTIVITY_TYPE; |
| import static com.android.server.wm.TaskProto.ANIMATING_BOUNDS; |
| import static com.android.server.wm.TaskProto.BOUNDS; |
| import static com.android.server.wm.TaskProto.CREATED_BY_ORGANIZER; |
| import static com.android.server.wm.TaskProto.DISPLAY_ID; |
| import static com.android.server.wm.TaskProto.FILLS_PARENT; |
| import static com.android.server.wm.TaskProto.LAST_NON_FULLSCREEN_BOUNDS; |
| import static com.android.server.wm.TaskProto.MIN_HEIGHT; |
| import static com.android.server.wm.TaskProto.MIN_WIDTH; |
| import static com.android.server.wm.TaskProto.ORIG_ACTIVITY; |
| import static com.android.server.wm.TaskProto.REAL_ACTIVITY; |
| import static com.android.server.wm.TaskProto.RESIZE_MODE; |
| import static com.android.server.wm.TaskProto.RESUMED_ACTIVITY; |
| import static com.android.server.wm.TaskProto.ROOT_TASK_ID; |
| import static com.android.server.wm.TaskProto.SURFACE_HEIGHT; |
| import static com.android.server.wm.TaskProto.SURFACE_WIDTH; |
| import static com.android.server.wm.TaskProto.WINDOW_CONTAINER; |
| import static com.android.server.wm.WindowContainer.AnimationFlags.CHILDREN; |
| import static com.android.server.wm.WindowContainer.AnimationFlags.TRANSITION; |
| import static com.android.server.wm.WindowManagerDebugConfig.TAG_WM; |
| |
| import static java.lang.Integer.MAX_VALUE; |
| |
| import android.annotation.IntDef; |
| import android.annotation.Nullable; |
| import android.app.Activity; |
| import android.app.ActivityManager; |
| import android.app.ActivityManagerInternal; |
| import android.app.ActivityOptions; |
| import android.app.AppGlobals; |
| import android.app.IActivityController; |
| import android.app.RemoteAction; |
| import android.app.ResultInfo; |
| import android.app.servertransaction.ActivityResultItem; |
| import android.app.servertransaction.ClientTransaction; |
| import android.app.servertransaction.NewIntentItem; |
| import android.app.servertransaction.PauseActivityItem; |
| import android.app.servertransaction.ResumeActivityItem; |
| import android.content.ComponentName; |
| import android.content.Intent; |
| import android.content.pm.ActivityInfo; |
| import android.content.res.Configuration; |
| import android.graphics.Point; |
| import android.graphics.Rect; |
| import android.os.Binder; |
| import android.os.Debug; |
| import android.os.Handler; |
| import android.os.IBinder; |
| import android.os.Looper; |
| import android.os.Message; |
| import android.os.RemoteException; |
| import android.os.SystemClock; |
| import android.os.Trace; |
| import android.os.UserHandle; |
| import android.service.voice.IVoiceInteractionSession; |
| import android.util.Log; |
| import android.util.Slog; |
| import android.util.proto.ProtoOutputStream; |
| import android.view.Display; |
| import android.view.DisplayInfo; |
| |
| import com.android.internal.annotations.GuardedBy; |
| import com.android.internal.annotations.VisibleForTesting; |
| import com.android.internal.app.IVoiceInteractor; |
| import com.android.internal.os.logging.MetricsLoggerWrapper; |
| import com.android.internal.util.function.pooled.PooledConsumer; |
| import com.android.internal.util.function.pooled.PooledFunction; |
| import com.android.internal.util.function.pooled.PooledLambda; |
| import com.android.server.Watchdog; |
| import com.android.server.am.ActivityManagerService; |
| import com.android.server.am.ActivityManagerService.ItemMatcher; |
| import com.android.server.am.AppTimeTracker; |
| import com.android.server.uri.NeededUriGrants; |
| |
| import java.io.FileDescriptor; |
| import java.io.PrintWriter; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Objects; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| import java.util.function.Consumer; |
| |
| /** |
| * State and management of a single stack of activities. |
| */ |
| class ActivityStack extends Task { |
| private static final String TAG = TAG_WITH_CLASS_NAME ? "ActivityStack" : TAG_ATM; |
| static final String TAG_ADD_REMOVE = TAG + POSTFIX_ADD_REMOVE; |
| private static final String TAG_APP = TAG + POSTFIX_APP; |
| static final String TAG_CLEANUP = TAG + POSTFIX_CLEANUP; |
| private static final String TAG_PAUSE = TAG + POSTFIX_PAUSE; |
| private static final String TAG_RELEASE = TAG + POSTFIX_RELEASE; |
| private static final String TAG_RESULTS = TAG + POSTFIX_RESULTS; |
| private static final String TAG_STACK = TAG + POSTFIX_STACK; |
| private static final String TAG_STATES = TAG + POSTFIX_STATES; |
| private static final String TAG_SWITCH = TAG + POSTFIX_SWITCH; |
| static final String TAG_TASKS = TAG + POSTFIX_TASKS; |
| private static final String TAG_TRANSITION = TAG + POSTFIX_TRANSITION; |
| private static final String TAG_USER_LEAVING = TAG + POSTFIX_USER_LEAVING; |
| static final String TAG_VISIBILITY = TAG + POSTFIX_VISIBILITY; |
| |
| // Set to false to disable the preview that is shown while a new activity |
| // is being started. |
| private static final boolean SHOW_APP_STARTING_PREVIEW = true; |
| |
| // How long to wait for all background Activities to redraw following a call to |
| // convertToTranslucent(). |
| private static final long TRANSLUCENT_CONVERSION_TIMEOUT = 2000; |
| |
| @IntDef(prefix = {"STACK_VISIBILITY"}, value = { |
| STACK_VISIBILITY_VISIBLE, |
| STACK_VISIBILITY_VISIBLE_BEHIND_TRANSLUCENT, |
| STACK_VISIBILITY_INVISIBLE, |
| }) |
| @interface StackVisibility {} |
| |
| /** Stack is visible. No other stacks on top that fully or partially occlude it. */ |
| static final int STACK_VISIBILITY_VISIBLE = 0; |
| |
| /** Stack is partially occluded by other translucent stack(s) on top of it. */ |
| static final int STACK_VISIBILITY_VISIBLE_BEHIND_TRANSLUCENT = 1; |
| |
| /** Stack is completely invisible. */ |
| static final int STACK_VISIBILITY_INVISIBLE = 2; |
| |
| enum ActivityState { |
| INITIALIZING, |
| STARTED, |
| RESUMED, |
| PAUSING, |
| PAUSED, |
| STOPPING, |
| STOPPED, |
| FINISHING, |
| DESTROYING, |
| DESTROYED, |
| RESTARTING_PROCESS |
| } |
| |
| // The topmost Activity passed to convertToTranslucent(). When non-null it means we are |
| // waiting for all Activities in mUndrawnActivitiesBelowTopTranslucent to be removed as they |
| // are drawn. When the last member of mUndrawnActivitiesBelowTopTranslucent is removed the |
| // Activity in mTranslucentActivityWaiting is notified via |
| // Activity.onTranslucentConversionComplete(false). If a timeout occurs prior to the last |
| // background activity being drawn then the same call will be made with a true value. |
| ActivityRecord mTranslucentActivityWaiting = null; |
| ArrayList<ActivityRecord> mUndrawnActivitiesBelowTopTranslucent = new ArrayList<>(); |
| |
| /** |
| * Set when we know we are going to be calling updateConfiguration() |
| * soon, so want to skip intermediate config checks. |
| */ |
| boolean mConfigWillChange; |
| |
| /** |
| * Used to keep resumeTopActivityUncheckedLocked() from being entered recursively |
| */ |
| boolean mInResumeTopActivity = false; |
| |
| int mCurrentUser; |
| |
| /** For comparison with DisplayContent bounds. */ |
| private Rect mTmpRect = new Rect(); |
| private Rect mTmpRect2 = new Rect(); |
| |
| // If this is true, we are in the bounds animating mode. The task will be down or upscaled to |
| // perfectly fit the region it would have been cropped to. We may also avoid certain logic we |
| // would otherwise apply while resizing, while resizing in the bounds animating mode. |
| private boolean mBoundsAnimating = false; |
| // Set when an animation has been requested but has not yet started from the UI thread. This is |
| // cleared when the animation actually starts. |
| private boolean mBoundsAnimatingRequested = false; |
| private Rect mBoundsAnimationTarget = new Rect(); |
| private Rect mBoundsAnimationSourceHintBounds = new Rect(); |
| |
| Rect mPreAnimationBounds = new Rect(); |
| |
| private final AnimatingActivityRegistry mAnimatingActivityRegistry = |
| new AnimatingActivityRegistry(); |
| |
| private boolean mTopActivityOccludesKeyguard; |
| private ActivityRecord mTopDismissingKeyguardActivity; |
| |
| private static final int TRANSLUCENT_TIMEOUT_MSG = FIRST_ACTIVITY_STACK_MSG + 1; |
| |
| private final Handler mHandler; |
| |
| private class ActivityStackHandler extends Handler { |
| |
| ActivityStackHandler(Looper looper) { |
| super(looper); |
| } |
| |
| @Override |
| public void handleMessage(Message msg) { |
| switch (msg.what) { |
| case TRANSLUCENT_TIMEOUT_MSG: { |
| synchronized (mAtmService.mGlobalLock) { |
| notifyActivityDrawnLocked(null); |
| } |
| } break; |
| } |
| } |
| } |
| |
| private static final ResetTargetTaskHelper sResetTargetTaskHelper = new ResetTargetTaskHelper(); |
| private final EnsureActivitiesVisibleHelper mEnsureActivitiesVisibleHelper = |
| new EnsureActivitiesVisibleHelper(this); |
| private final EnsureVisibleActivitiesConfigHelper mEnsureVisibleActivitiesConfigHelper = |
| new EnsureVisibleActivitiesConfigHelper(); |
| private class EnsureVisibleActivitiesConfigHelper { |
| private boolean mUpdateConfig; |
| private boolean mPreserveWindow; |
| private boolean mBehindFullscreen; |
| |
| void reset(boolean preserveWindow) { |
| mPreserveWindow = preserveWindow; |
| mUpdateConfig = false; |
| mBehindFullscreen = false; |
| } |
| |
| void process(ActivityRecord start, boolean preserveWindow) { |
| if (start == null || !start.mVisibleRequested) { |
| return; |
| } |
| reset(preserveWindow); |
| |
| final PooledFunction f = PooledLambda.obtainFunction( |
| EnsureVisibleActivitiesConfigHelper::processActivity, this, |
| PooledLambda.__(ActivityRecord.class)); |
| forAllActivities(f, start, true /*includeBoundary*/, true /*traverseTopToBottom*/); |
| f.recycle(); |
| |
| if (mUpdateConfig) { |
| // Ensure the resumed state of the focus activity if we updated the configuration of |
| // any activity. |
| mRootWindowContainer.resumeFocusedStacksTopActivities(); |
| } |
| } |
| |
| boolean processActivity(ActivityRecord r) { |
| mUpdateConfig |= r.ensureActivityConfiguration(0 /*globalChanges*/, mPreserveWindow); |
| mBehindFullscreen |= r.occludesParent(); |
| return mBehindFullscreen; |
| } |
| } |
| |
| private final CheckBehindFullscreenActivityHelper mCheckBehindFullscreenActivityHelper = |
| new CheckBehindFullscreenActivityHelper(); |
| private class CheckBehindFullscreenActivityHelper { |
| private boolean mAboveTop; |
| private boolean mBehindFullscreenActivity; |
| private ActivityRecord mToCheck; |
| private Consumer<ActivityRecord> mHandleBehindFullscreenActivity; |
| private boolean mHandlingOccluded; |
| |
| private void reset(ActivityRecord toCheck, |
| Consumer<ActivityRecord> handleBehindFullscreenActivity) { |
| mToCheck = toCheck; |
| mHandleBehindFullscreenActivity = handleBehindFullscreenActivity; |
| mAboveTop = true; |
| mBehindFullscreenActivity = false; |
| |
| if (!shouldBeVisible(null)) { |
| // The stack is not visible, so no activity in it should be displaying a starting |
| // window. Mark all activities below top and behind fullscreen. |
| mAboveTop = false; |
| mBehindFullscreenActivity = true; |
| } |
| |
| mHandlingOccluded = mToCheck == null && mHandleBehindFullscreenActivity != null; |
| } |
| |
| boolean process(ActivityRecord toCheck, |
| Consumer<ActivityRecord> handleBehindFullscreenActivity) { |
| reset(toCheck, handleBehindFullscreenActivity); |
| |
| if (!mHandlingOccluded && mBehindFullscreenActivity) { |
| return true; |
| } |
| |
| final ActivityRecord topActivity = topRunningActivity(); |
| final PooledFunction f = PooledLambda.obtainFunction( |
| CheckBehindFullscreenActivityHelper::processActivity, this, |
| PooledLambda.__(ActivityRecord.class), topActivity); |
| forAllActivities(f); |
| f.recycle(); |
| |
| return mBehindFullscreenActivity; |
| } |
| |
| /** Returns {@code true} to stop the outer loop and indicate the result is computed. */ |
| private boolean processActivity(ActivityRecord r, ActivityRecord topActivity) { |
| if (mAboveTop) { |
| if (r == topActivity) { |
| if (r == mToCheck) { |
| // It is the top activity in a visible stack. |
| mBehindFullscreenActivity = false; |
| return true; |
| } |
| mAboveTop = false; |
| } |
| mBehindFullscreenActivity |= r.occludesParent(); |
| return false; |
| } |
| |
| if (mHandlingOccluded) { |
| // Iterating through all occluded activities. |
| if (mBehindFullscreenActivity) { |
| mHandleBehindFullscreenActivity.accept(r); |
| } |
| } else if (r == mToCheck) { |
| return true; |
| } else if (mBehindFullscreenActivity) { |
| // It is occluded before {@param toCheck} is found. |
| return true; |
| } |
| mBehindFullscreenActivity |= r.occludesParent(); |
| return false; |
| } |
| } |
| |
| // TODO: Can we just loop through WindowProcessController#mActivities instead of doing this? |
| private final RemoveHistoryRecordsForApp mRemoveHistoryRecordsForApp = |
| new RemoveHistoryRecordsForApp(); |
| private class RemoveHistoryRecordsForApp { |
| private boolean mHasVisibleActivities; |
| private boolean mIsProcessRemoved; |
| private WindowProcessController mApp; |
| private ArrayList<ActivityRecord> mToRemove = new ArrayList<>(); |
| |
| boolean process(WindowProcessController app) { |
| mToRemove.clear(); |
| mHasVisibleActivities = false; |
| mApp = app; |
| mIsProcessRemoved = app.isRemoved(); |
| if (mIsProcessRemoved) { |
| // The package of the died process should be force-stopped, so make its activities |
| // as finishing to prevent the process from being started again if the next top |
| // (or being visible) activity also resides in the same process. |
| app.makeFinishingForProcessRemoved(); |
| } |
| |
| final PooledConsumer c = PooledLambda.obtainConsumer( |
| RemoveHistoryRecordsForApp::addActivityToRemove, this, |
| PooledLambda.__(ActivityRecord.class)); |
| forAllActivities(c); |
| c.recycle(); |
| |
| while (!mToRemove.isEmpty()) { |
| processActivity(mToRemove.remove(0)); |
| } |
| |
| mApp = null; |
| return mHasVisibleActivities; |
| } |
| |
| private void addActivityToRemove(ActivityRecord r) { |
| if (r.app == mApp) { |
| mToRemove.add(r); |
| } |
| } |
| |
| private void processActivity(ActivityRecord r) { |
| if (DEBUG_CLEANUP) Slog.v(TAG_CLEANUP, "Record " + r + ": app=" + r.app); |
| |
| if (r.app != mApp) { |
| return; |
| } |
| if (r.isVisible() || r.mVisibleRequested) { |
| // While an activity launches a new activity, it's possible that the old |
| // activity is already requested to be hidden (mVisibleRequested=false), but |
| // this visibility is not yet committed, so isVisible()=true. |
| mHasVisibleActivities = true; |
| } |
| final boolean remove; |
| if ((r.mRelaunchReason == RELAUNCH_REASON_WINDOWING_MODE_RESIZE |
| || r.mRelaunchReason == RELAUNCH_REASON_FREE_RESIZE) |
| && r.launchCount < 3 && !r.finishing) { |
| // If the process crashed during a resize, always try to relaunch it, unless |
| // it has failed more than twice. Skip activities that's already finishing |
| // cleanly by itself. |
| remove = false; |
| } else if ((!r.hasSavedState() && !r.stateNotNeeded |
| && !r.isState(ActivityState.RESTARTING_PROCESS)) || r.finishing) { |
| // Don't currently have state for the activity, or |
| // it is finishing -- always remove it. |
| remove = true; |
| } else if (!r.mVisibleRequested && r.launchCount > 2 |
| && r.lastLaunchTime > (SystemClock.uptimeMillis() - 60000)) { |
| // We have launched this activity too many times since it was |
| // able to run, so give up and remove it. |
| // (Note if the activity is visible, we don't remove the record. |
| // We leave the dead window on the screen but the process will |
| // not be restarted unless user explicitly tap on it.) |
| remove = true; |
| } else { |
| // The process may be gone, but the activity lives on! |
| remove = false; |
| } |
| if (remove) { |
| if (DEBUG_ADD_REMOVE || DEBUG_CLEANUP) Slog.i(TAG_ADD_REMOVE, |
| "Removing activity " + r + " from stack " |
| + ": hasSavedState=" + r.hasSavedState() |
| + " stateNotNeeded=" + r.stateNotNeeded |
| + " finishing=" + r.finishing |
| + " state=" + r.getState() + " callers=" + Debug.getCallers(5)); |
| if (!r.finishing || mIsProcessRemoved) { |
| Slog.w(TAG, "Force removing " + r + ": app died, no saved state"); |
| EventLogTags.writeWmFinishActivity(r.mUserId, |
| System.identityHashCode(r), r.getTask().mTaskId, |
| r.shortComponentName, "proc died without state saved"); |
| } |
| } else { |
| // We have the current state for this activity, so |
| // it can be restarted later when needed. |
| if (DEBUG_ALL) Slog.v(TAG, "Keeping entry, setting app to null"); |
| if (DEBUG_APP) Slog.v(TAG_APP, |
| "Clearing app during removeHistory for activity " + r); |
| r.app = null; |
| // Set nowVisible to previous visible state. If the app was visible while |
| // it died, we leave the dead window on screen so it's basically visible. |
| // This is needed when user later tap on the dead window, we need to stop |
| // other apps when user transfers focus to the restarted activity. |
| r.nowVisible = r.mVisibleRequested; |
| } |
| r.cleanUp(true /* cleanServices */, true /* setState */); |
| if (remove) { |
| r.removeFromHistory("appDied"); |
| } |
| } |
| } |
| |
| ActivityStack(ActivityTaskManagerService atmService, int id, int activityType, |
| ActivityInfo info, Intent intent, boolean createdByOrganizer) { |
| this(atmService, id, info, intent, null /*voiceSession*/, null /*voiceInteractor*/, |
| null /*taskDescription*/, null /*stack*/); |
| mCreatedByOrganizer = createdByOrganizer; |
| setActivityType(activityType); |
| } |
| |
| ActivityStack(ActivityTaskManagerService atmService, int id, ActivityInfo info, Intent _intent, |
| IVoiceInteractionSession _voiceSession, IVoiceInteractor _voiceInteractor, |
| ActivityManager.TaskDescription _taskDescription, ActivityStack stack) { |
| this(atmService, id, _intent, null /*_affinityIntent*/, null /*_affinity*/, |
| null /*_rootAffinity*/, null /*_realActivity*/, null /*_origActivity*/, |
| false /*_rootWasReset*/, false /*_autoRemoveRecents*/, false /*_askedCompatMode*/, |
| UserHandle.getUserId(info.applicationInfo.uid), 0 /*_effectiveUid*/, |
| null /*_lastDescription*/, System.currentTimeMillis(), |
| true /*neverRelinquishIdentity*/, |
| _taskDescription != null ? _taskDescription : new ActivityManager.TaskDescription(), |
| id, INVALID_TASK_ID, INVALID_TASK_ID, 0 /*taskAffiliationColor*/, |
| info.applicationInfo.uid, info.packageName, null, info.resizeMode, |
| info.supportsPictureInPicture(), false /*_realActivitySuspended*/, |
| false /*userSetupComplete*/, INVALID_MIN_SIZE, INVALID_MIN_SIZE, info, |
| _voiceSession, _voiceInteractor, stack); |
| } |
| |
| ActivityStack(ActivityTaskManagerService atmService, int id, Intent _intent, |
| Intent _affinityIntent, String _affinity, String _rootAffinity, |
| ComponentName _realActivity, ComponentName _origActivity, boolean _rootWasReset, |
| boolean _autoRemoveRecents, boolean _askedCompatMode, int _userId, int _effectiveUid, |
| String _lastDescription, long lastTimeMoved, boolean neverRelinquishIdentity, |
| ActivityManager.TaskDescription _lastTaskDescription, int taskAffiliation, |
| int prevTaskId, int nextTaskId, int taskAffiliationColor, int callingUid, |
| String callingPackage, @Nullable String callingFeatureId, int resizeMode, |
| boolean supportsPictureInPicture, boolean _realActivitySuspended, |
| boolean userSetupComplete, int minWidth, int minHeight, |
| ActivityInfo info, IVoiceInteractionSession _voiceSession, |
| IVoiceInteractor _voiceInteractor, ActivityStack stack) { |
| super(atmService, id, _intent, _affinityIntent, _affinity, _rootAffinity, |
| _realActivity, _origActivity, _rootWasReset, _autoRemoveRecents, _askedCompatMode, |
| _userId, _effectiveUid, _lastDescription, lastTimeMoved, neverRelinquishIdentity, |
| _lastTaskDescription, taskAffiliation, prevTaskId, nextTaskId, taskAffiliationColor, |
| callingUid, callingPackage, callingFeatureId, resizeMode, supportsPictureInPicture, |
| _realActivitySuspended, userSetupComplete, minWidth, minHeight, info, _voiceSession, |
| _voiceInteractor, stack); |
| |
| EventLogTags.writeWmStackCreated(id); |
| mHandler = new ActivityStackHandler(mStackSupervisor.mLooper); |
| mCurrentUser = mAtmService.mAmInternal.getCurrentUserId(); |
| } |
| |
| @Override |
| public void onConfigurationChanged(Configuration newParentConfig) { |
| // Calling Task#onConfigurationChanged() for leaf task since the ops in this method are |
| // particularly for ActivityStack, like preventing bounds changes when inheriting certain |
| // windowing mode. |
| if (!isRootTask()) { |
| super.onConfigurationChanged(newParentConfig); |
| return; |
| } |
| |
| final int prevWindowingMode = getWindowingMode(); |
| final boolean prevIsAlwaysOnTop = isAlwaysOnTop(); |
| final int prevRotation = getWindowConfiguration().getRotation(); |
| final Rect newBounds = mTmpRect; |
| // Initialize the new bounds by previous bounds as the input and output for calculating |
| // override bounds in pinned (pip) or split-screen mode. |
| getBounds(newBounds); |
| |
| super.onConfigurationChanged(newParentConfig); |
| |
| final TaskDisplayArea taskDisplayArea = getDisplayArea(); |
| if (taskDisplayArea == null) { |
| return; |
| } |
| |
| if (prevWindowingMode != getWindowingMode()) { |
| taskDisplayArea.onStackWindowingModeChanged(this); |
| } |
| |
| final DisplayContent display = getDisplay(); |
| if (display == null ) { |
| return; |
| } |
| |
| final boolean windowingModeChanged = prevWindowingMode != getWindowingMode(); |
| final int overrideWindowingMode = getRequestedOverrideWindowingMode(); |
| // Update bounds if applicable |
| boolean hasNewOverrideBounds = false; |
| // Use override windowing mode to prevent extra bounds changes if inheriting the mode. |
| if ((overrideWindowingMode != WINDOWING_MODE_PINNED) && !matchParentBounds()) { |
| // If the parent (display) has rotated, rotate our bounds to best-fit where their |
| // bounds were on the pre-rotated display. |
| final int newRotation = getWindowConfiguration().getRotation(); |
| final boolean rotationChanged = prevRotation != newRotation; |
| if (rotationChanged) { |
| display.mDisplayContent.rotateBounds( |
| newParentConfig.windowConfiguration.getBounds(), prevRotation, newRotation, |
| newBounds); |
| hasNewOverrideBounds = true; |
| } |
| } |
| |
| if (windowingModeChanged) { |
| taskDisplayArea.onStackWindowingModeChanged(this); |
| } |
| if (hasNewOverrideBounds) { |
| if (inSplitScreenWindowingMode()) { |
| setBounds(newBounds); |
| } else if (overrideWindowingMode != WINDOWING_MODE_PINNED) { |
| // For pinned stack, resize is now part of the {@link WindowContainerTransaction} |
| resize(new Rect(newBounds), PRESERVE_WINDOWS, true /* deferResume */); |
| } |
| } |
| if (prevIsAlwaysOnTop != isAlwaysOnTop()) { |
| // Since always on top is only on when the stack is freeform or pinned, the state |
| // can be toggled when the windowing mode changes. We must make sure the stack is |
| // placed properly when always on top state changes. |
| taskDisplayArea.positionStackAtTop(this, false /* includingParents */); |
| } |
| } |
| |
| @Override |
| public void setWindowingMode(int windowingMode) { |
| // Reset the cached result of toString() |
| stringName = null; |
| |
| // Calling Task#setWindowingMode() for leaf task since this is the a specialization of |
| // {@link #setWindowingMode(int)} for ActivityStack. |
| if (!isRootTask()) { |
| super.setWindowingMode(windowingMode); |
| return; |
| } |
| |
| setWindowingMode(windowingMode, false /* creating */); |
| } |
| |
| /** |
| * Specialization of {@link #setWindowingMode(int)} for this subclass. |
| * |
| * @param preferredWindowingMode the preferred windowing mode. This may not be honored depending |
| * on the state of things. For example, WINDOWING_MODE_UNDEFINED will resolve to the |
| * previous non-transient mode if this stack is currently in a transient mode. |
| * @param creating {@code true} if this is being run during ActivityStack construction. |
| */ |
| void setWindowingMode(int preferredWindowingMode, boolean creating) { |
| mWmService.inSurfaceTransaction(() -> setWindowingModeInSurfaceTransaction( |
| preferredWindowingMode, creating)); |
| } |
| |
| private void setWindowingModeInSurfaceTransaction(int preferredWindowingMode, |
| boolean creating) { |
| final TaskDisplayArea taskDisplayArea = getDisplayArea(); |
| if (taskDisplayArea == null) { |
| Slog.d(TAG, "taskDisplayArea is null, bail early"); |
| return; |
| } |
| final int currentMode = getWindowingMode(); |
| final int currentOverrideMode = getRequestedOverrideWindowingMode(); |
| final Task topTask = getTopMostTask(); |
| int windowingMode = preferredWindowingMode; |
| |
| // Need to make sure windowing mode is supported. If we in the process of creating the stack |
| // no need to resolve the windowing mode again as it is already resolved to the right mode. |
| if (!creating) { |
| if (!taskDisplayArea.isValidWindowingMode(windowingMode, null /* ActivityRecord */, |
| topTask, getActivityType())) { |
| windowingMode = WINDOWING_MODE_UNDEFINED; |
| } |
| } |
| |
| final boolean alreadyInSplitScreenMode = taskDisplayArea.isSplitScreenModeActivated(); |
| |
| if (creating && alreadyInSplitScreenMode && windowingMode == WINDOWING_MODE_FULLSCREEN |
| && isActivityTypeStandardOrUndefined()) { |
| // If the stack is being created explicitly in fullscreen mode, dismiss split-screen |
| // and display a warning toast about it. |
| mAtmService.getTaskChangeNotificationController() |
| .notifyActivityDismissingDockedStack(); |
| taskDisplayArea.onSplitScreenModeDismissed(this); |
| } |
| |
| if (currentMode == windowingMode) { |
| // You are already in the window mode, so we can skip most of the work below. However, |
| // it's possible that we have inherited the current windowing mode from a parent. So, |
| // fulfill this method's contract by setting the override mode directly. |
| getRequestedOverrideConfiguration().windowConfiguration.setWindowingMode(windowingMode); |
| return; |
| } |
| |
| final ActivityRecord topActivity = getTopNonFinishingActivity(); |
| |
| // For now, assume that the Stack's windowing mode is what will actually be used |
| // by it's activities. In the future, there may be situations where this doesn't |
| // happen; so at that point, this message will need to handle that. |
| int likelyResolvedMode = windowingMode; |
| if (windowingMode == WINDOWING_MODE_UNDEFINED) { |
| final ConfigurationContainer parent = getParent(); |
| likelyResolvedMode = parent != null ? parent.getWindowingMode() |
| : WINDOWING_MODE_FULLSCREEN; |
| } |
| if (currentMode == WINDOWING_MODE_PINNED) { |
| mAtmService.getTaskChangeNotificationController().notifyActivityUnpinned(); |
| } |
| if (likelyResolvedMode == WINDOWING_MODE_PINNED |
| && taskDisplayArea.getRootPinnedTask() != null) { |
| // Can only have 1 pip at a time, so replace an existing pip |
| taskDisplayArea.getRootPinnedTask().dismissPip(); |
| } |
| if (likelyResolvedMode != WINDOWING_MODE_FULLSCREEN |
| && topActivity != null && !topActivity.noDisplay |
| && topActivity.isNonResizableOrForcedResizable(likelyResolvedMode)) { |
| // Inform the user that they are starting an app that may not work correctly in |
| // multi-window mode. |
| final String packageName = topActivity.info.applicationInfo.packageName; |
| mAtmService.getTaskChangeNotificationController().notifyActivityForcedResizable( |
| topTask.mTaskId, FORCED_RESIZEABLE_REASON_SPLIT_SCREEN, packageName); |
| } |
| |
| mAtmService.deferWindowLayout(); |
| try { |
| if (topActivity != null) { |
| mStackSupervisor.mNoAnimActivities.add(topActivity); |
| } |
| super.setWindowingMode(windowingMode); |
| // setWindowingMode triggers an onConfigurationChanged cascade which can result in a |
| // different resolved windowing mode (usually when preferredWindowingMode is UNDEFINED). |
| windowingMode = getWindowingMode(); |
| |
| if (creating) { |
| // Nothing else to do if we don't have a window container yet. E.g. call from ctor. |
| return; |
| } |
| |
| if (windowingMode == WINDOWING_MODE_SPLIT_SCREEN_PRIMARY && alreadyInSplitScreenMode) { |
| // We already have a split-screen stack in this display, so just move the tasks over. |
| // TODO: Figure-out how to do all the stuff in |
| // AMS.setTaskWindowingModeSplitScreenPrimary |
| throw new IllegalArgumentException("Setting primary split-screen windowing mode" |
| + " while there is already one isn't currently supported"); |
| //return; |
| } |
| |
| mTmpRect2.setEmpty(); |
| if (windowingMode != WINDOWING_MODE_FULLSCREEN) { |
| if (matchParentBounds()) { |
| mTmpRect2.setEmpty(); |
| } else { |
| getRawBounds(mTmpRect2); |
| } |
| } |
| |
| if (!Objects.equals(getRequestedOverrideBounds(), mTmpRect2)) { |
| resize(mTmpRect2, false /*preserveWindows*/, true /*deferResume*/); |
| } |
| } finally { |
| mAtmService.continueWindowLayout(); |
| } |
| |
| mRootWindowContainer.ensureActivitiesVisible(null, 0, PRESERVE_WINDOWS); |
| mRootWindowContainer.resumeFocusedStacksTopActivities(); |
| |
| final boolean pinnedToFullscreen = currentMode == WINDOWING_MODE_PINNED |
| && windowingMode == WINDOWING_MODE_FULLSCREEN; |
| if (pinnedToFullscreen && topActivity != null && !isForceHidden()) { |
| mDisplayContent.getPinnedStackController().setPipWindowingModeChanging(true); |
| try { |
| // Report orientation as soon as possible so that the display can freeze earlier if |
| // the display orientation will be changed. Because the surface bounds of activity |
| // may have been set to fullscreen but the activity hasn't redrawn its content yet, |
| // the rotation animation needs to capture snapshot earlier to avoid animating from |
| // an intermediate state. |
| topActivity.reportDescendantOrientationChangeIfNeeded(); |
| } finally { |
| mDisplayContent.getPinnedStackController().setPipWindowingModeChanging(false); |
| } |
| } |
| } |
| |
| @Override |
| public boolean isCompatible(int windowingMode, int activityType) { |
| // TODO: Should we just move this to ConfigurationContainer? |
| if (activityType == ACTIVITY_TYPE_UNDEFINED) { |
| // Undefined activity types end up in a standard stack once the stack is created on a |
| // display, so they should be considered compatible. |
| activityType = ACTIVITY_TYPE_STANDARD; |
| } |
| return super.isCompatible(windowingMode, activityType); |
| } |
| |
| /** Resume next focusable stack after reparenting to another display. */ |
| void postReparent() { |
| adjustFocusToNextFocusableTask("reparent", true /* allowFocusSelf */, |
| true /* moveDisplayToTop */); |
| mRootWindowContainer.resumeFocusedStacksTopActivities(); |
| // Update visibility of activities before notifying WM. This way it won't try to resize |
| // windows that are no longer visible. |
| mRootWindowContainer.ensureActivitiesVisible(null /* starting */, 0 /* configChanges */, |
| !PRESERVE_WINDOWS); |
| } |
| |
| DisplayContent getDisplay() { |
| return getDisplayContent(); |
| } |
| |
| /** @return true if the stack can only contain one task */ |
| boolean isSingleTaskInstance() { |
| final DisplayContent display = getDisplay(); |
| return display != null && display.isSingleTaskInstance(); |
| } |
| |
| final boolean isHomeOrRecentsStack() { |
| return isActivityTypeHome() || isActivityTypeRecents(); |
| } |
| |
| final boolean isOnHomeDisplay() { |
| return getDisplayId() == DEFAULT_DISPLAY; |
| } |
| |
| void moveToFront(String reason) { |
| moveToFront(reason, null); |
| } |
| |
| /** |
| * @param reason The reason for moving the stack to the front. |
| * @param task If non-null, the task will be moved to the top of the stack. |
| * */ |
| void moveToFront(String reason, Task task) { |
| if (!isAttached()) { |
| return; |
| } |
| |
| final TaskDisplayArea taskDisplayArea = getDisplayArea(); |
| |
| if (inSplitScreenSecondaryWindowingMode()) { |
| // If the stack is in split-screen secondary mode, we need to make sure we move the |
| // primary split-screen stack forward in the case it is currently behind a fullscreen |
| // stack so both halves of the split-screen appear on-top and the fullscreen stack isn't |
| // cutting between them. |
| // TODO(b/70677280): This is a workaround until we can fix as part of b/70677280. |
| final ActivityStack topFullScreenStack = |
| taskDisplayArea.getTopStackInWindowingMode(WINDOWING_MODE_FULLSCREEN); |
| if (topFullScreenStack != null) { |
| final ActivityStack primarySplitScreenStack = |
| taskDisplayArea.getRootSplitScreenPrimaryTask(); |
| if (primarySplitScreenStack != null |
| && taskDisplayArea.getIndexOf(topFullScreenStack) |
| > taskDisplayArea.getIndexOf(primarySplitScreenStack)) { |
| primarySplitScreenStack.moveToFront(reason + " splitScreenToTop"); |
| } |
| } |
| } |
| |
| if (!isActivityTypeHome() && returnsToHomeStack()) { |
| // Make sure the home stack is behind this stack since that is where we should return to |
| // when this stack is no longer visible. |
| taskDisplayArea.moveHomeStackToFront(reason + " returnToHome"); |
| } |
| |
| if (isRootTask()) { |
| taskDisplayArea.positionStackAtTop(this, false /* includingParents */, reason); |
| } |
| if (task == null) { |
| task = this; |
| } |
| task.getParent().positionChildAt(POSITION_TOP, task, true /* includingParents */); |
| } |
| |
| /** |
| * This moves 'task' to the back of this task and also recursively moves this task to the back |
| * of its parents (if applicable). |
| * |
| * @param reason The reason for moving the stack to the back. |
| * @param task If non-null, the task will be moved to the bottom of the stack. |
| **/ |
| void moveToBack(String reason, Task task) { |
| if (!isAttached()) { |
| return; |
| } |
| final TaskDisplayArea displayArea = getDisplayArea(); |
| if (!mCreatedByOrganizer) { |
| // If this is just a normal task, so move to back of parent and then move 'task' to |
| // back of this. |
| final WindowContainer parent = getParent(); |
| final Task parentTask = parent != null ? parent.asTask() : null; |
| if (parentTask != null) { |
| ((ActivityStack) parentTask).moveToBack(reason, this); |
| } else { |
| displayArea.positionStackAtBottom(this, reason); |
| } |
| if (task != null && task != this) { |
| positionChildAtBottom(task); |
| } |
| return; |
| } |
| if (task == null || task == this) { |
| return; |
| } |
| // This is a created-by-organizer task. In this case, let the organizer deal with this |
| // task's ordering. However, we still need to move 'task' to back. The intention is that |
| // this ends up behind the home-task so that it is made invisible; so, if the home task |
| // is not a child of this, reparent 'task' to the back of the home task's actual parent. |
| displayArea.positionTaskBehindHome((ActivityStack) task); |
| } |
| |
| // TODO: Should each user have there own stacks? |
| @Override |
| void switchUser(int userId) { |
| if (mCurrentUser == userId) { |
| return; |
| } |
| mCurrentUser = userId; |
| |
| super.switchUser(userId); |
| forAllLeafTasks((t) -> { |
| if (t.showToCurrentUser() && t != this) { |
| mChildren.remove(t); |
| mChildren.add(t); |
| } |
| }, true /* traverseTopToBottom */); |
| } |
| |
| void minimalResumeActivityLocked(ActivityRecord r) { |
| if (DEBUG_STATES) Slog.v(TAG_STATES, "Moving to RESUMED: " + r + " (starting new instance)" |
| + " callers=" + Debug.getCallers(5)); |
| r.setState(RESUMED, "minimalResumeActivityLocked"); |
| r.completeResumeLocked(); |
| } |
| |
| private void clearLaunchTime(ActivityRecord r) { |
| // Make sure that there is no activity waiting for this to launch. |
| if (!mStackSupervisor.mWaitingActivityLaunched.isEmpty()) { |
| mStackSupervisor.removeIdleTimeoutForActivity(r); |
| mStackSupervisor.scheduleIdleTimeout(r); |
| } |
| } |
| |
| void awakeFromSleepingLocked() { |
| // Ensure activities are no longer sleeping. |
| forAllActivities((Consumer<ActivityRecord>) (r) -> r.setSleeping(false)); |
| if (mPausingActivity != null) { |
| Slog.d(TAG, "awakeFromSleepingLocked: previously pausing activity didn't pause"); |
| mPausingActivity.activityPaused(true); |
| } |
| } |
| |
| void checkReadyForSleep() { |
| if (shouldSleepActivities() && goToSleepIfPossible(false /* shuttingDown */)) { |
| mStackSupervisor.checkReadyForSleepLocked(true /* allowDelay */); |
| } |
| } |
| |
| /** |
| * Tries to put the activities in the stack to sleep. |
| * |
| * If the stack is not in a state where its activities can be put to sleep, this function will |
| * start any necessary actions to move the stack into such a state. It is expected that this |
| * function get called again when those actions complete. |
| * |
| * @param shuttingDown true when the called because the device is shutting down. |
| * @return true if the stack finished going to sleep, false if the stack only started the |
| * process of going to sleep (checkReadyForSleep will be called when that process finishes). |
| */ |
| boolean goToSleepIfPossible(boolean shuttingDown) { |
| boolean shouldSleep = true; |
| |
| if (mResumedActivity != null) { |
| // Still have something resumed; can't sleep until it is paused. |
| if (DEBUG_PAUSE) Slog.v(TAG_PAUSE, "Sleep needs to pause " + mResumedActivity); |
| if (DEBUG_USER_LEAVING) Slog.v(TAG_USER_LEAVING, |
| "Sleep => pause with userLeaving=false"); |
| |
| startPausingLocked(false /* userLeaving */, true /* uiSleeping */, null /* resuming */); |
| shouldSleep = false ; |
| } else if (mPausingActivity != null) { |
| // Still waiting for something to pause; can't sleep yet. |
| if (DEBUG_PAUSE) Slog.v(TAG_PAUSE, "Sleep still waiting to pause " + mPausingActivity); |
| shouldSleep = false; |
| } |
| |
| if (!shuttingDown) { |
| if (containsActivityFromStack(mStackSupervisor.mStoppingActivities)) { |
| // Still need to tell some activities to stop; can't sleep yet. |
| if (DEBUG_PAUSE) Slog.v(TAG_PAUSE, "Sleep still need to stop " |
| + mStackSupervisor.mStoppingActivities.size() + " activities"); |
| |
| mStackSupervisor.scheduleIdle(); |
| shouldSleep = false; |
| } |
| } |
| |
| if (shouldSleep) { |
| goToSleep(); |
| } |
| |
| return shouldSleep; |
| } |
| |
| void goToSleep() { |
| // Make sure all visible activities are now sleeping. This will update the activity's |
| // visibility and onStop() will be called. |
| forAllActivities((r) -> { |
| if (r.isState(STARTED, RESUMED, PAUSING, PAUSED, STOPPING, STOPPED)) { |
| r.setSleeping(true); |
| } |
| }); |
| |
| // Ensure visibility after updating sleep states without updating configuration, |
| // as activities are about to be sent to sleep. |
| ensureActivitiesVisible(null /* starting */, 0 /* configChanges */, |
| !PRESERVE_WINDOWS); |
| } |
| |
| private boolean containsActivityFromStack(List<ActivityRecord> rs) { |
| for (ActivityRecord r : rs) { |
| if (r.getRootTask() == this) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * Start pausing the currently resumed activity. It is an error to call this if there |
| * is already an activity being paused or there is no resumed activity. |
| * |
| * @param userLeaving True if this should result in an onUserLeaving to the current activity. |
| * @param uiSleeping True if this is happening with the user interface going to sleep (the |
| * screen turning off). |
| * @param resuming The activity we are currently trying to resume or null if this is not being |
| * called as part of resuming the top activity, so we shouldn't try to instigate |
| * a resume here if not null. |
| * @return Returns true if an activity now is in the PAUSING state, and we are waiting for |
| * it to tell us when it is done. |
| */ |
| final boolean startPausingLocked(boolean userLeaving, boolean uiSleeping, |
| ActivityRecord resuming) { |
| if (mPausingActivity != null) { |
| Slog.wtf(TAG, "Going to pause when pause is already pending for " + mPausingActivity |
| + " state=" + mPausingActivity.getState()); |
| if (!shouldSleepActivities()) { |
| // Avoid recursion among check for sleep and complete pause during sleeping. |
| // Because activity will be paused immediately after resume, just let pause |
| // be completed by the order of activity paused from clients. |
| completePauseLocked(false, resuming); |
| } |
| } |
| ActivityRecord prev = mResumedActivity; |
| |
| if (prev == null) { |
| if (resuming == null) { |
| Slog.wtf(TAG, "Trying to pause when nothing is resumed"); |
| mRootWindowContainer.resumeFocusedStacksTopActivities(); |
| } |
| return false; |
| } |
| |
| if (prev == resuming) { |
| Slog.wtf(TAG, "Trying to pause activity that is in process of being resumed"); |
| return false; |
| } |
| |
| if (DEBUG_STATES) Slog.v(TAG_STATES, "Moving to PAUSING: " + prev); |
| else if (DEBUG_PAUSE) Slog.v(TAG_PAUSE, "Start pausing: " + prev); |
| mPausingActivity = prev; |
| mLastPausedActivity = prev; |
| mLastNoHistoryActivity = prev.isNoHistory() ? prev : null; |
| prev.setState(PAUSING, "startPausingLocked"); |
| prev.getTask().touchActiveTime(); |
| clearLaunchTime(prev); |
| |
| mAtmService.updateCpuStats(); |
| |
| boolean pauseImmediately = false; |
| if (resuming != null && (resuming.info.flags & FLAG_RESUME_WHILE_PAUSING) != 0) { |
| // If the flag RESUME_WHILE_PAUSING is set, then continue to schedule the previous |
| // activity to be paused, while at the same time resuming the new resume activity |
| // only if the previous activity can't go into Pip since we want to give Pip |
| // activities a chance to enter Pip before resuming the next activity. |
| final boolean lastResumedCanPip = prev != null && prev.checkEnterPictureInPictureState( |
| "shouldResumeWhilePausing", userLeaving); |
| if (!lastResumedCanPip) { |
| pauseImmediately = true; |
| } |
| } |
| |
| if (prev.attachedToProcess()) { |
| if (DEBUG_PAUSE) Slog.v(TAG_PAUSE, "Enqueueing pending pause: " + prev); |
| try { |
| EventLogTags.writeWmPauseActivity(prev.mUserId, System.identityHashCode(prev), |
| prev.shortComponentName, "userLeaving=" + userLeaving); |
| |
| mAtmService.getLifecycleManager().scheduleTransaction(prev.app.getThread(), |
| prev.appToken, PauseActivityItem.obtain(prev.finishing, userLeaving, |
| prev.configChangeFlags, pauseImmediately)); |
| } catch (Exception e) { |
| // Ignore exception, if process died other code will cleanup. |
| Slog.w(TAG, "Exception thrown during pause", e); |
| mPausingActivity = null; |
| mLastPausedActivity = null; |
| mLastNoHistoryActivity = null; |
| } |
| } else { |
| mPausingActivity = null; |
| mLastPausedActivity = null; |
| mLastNoHistoryActivity = null; |
| } |
| |
| // If we are not going to sleep, we want to ensure the device is |
| // awake until the next activity is started. |
| if (!uiSleeping && !mAtmService.isSleepingOrShuttingDownLocked()) { |
| mStackSupervisor.acquireLaunchWakelock(); |
| } |
| |
| if (mPausingActivity != null) { |
| // Have the window manager pause its key dispatching until the new |
| // activity has started. If we're pausing the activity just because |
| // the screen is being turned off and the UI is sleeping, don't interrupt |
| // key dispatch; the same activity will pick it up again on wakeup. |
| if (!uiSleeping) { |
| prev.pauseKeyDispatchingLocked(); |
| } else if (DEBUG_PAUSE) { |
| Slog.v(TAG_PAUSE, "Key dispatch not paused for screen off"); |
| } |
| |
| if (pauseImmediately) { |
| // If the caller said they don't want to wait for the pause, then complete |
| // the pause now. |
| completePauseLocked(false, resuming); |
| return false; |
| |
| } else { |
| prev.schedulePauseTimeout(); |
| return true; |
| } |
| |
| } else { |
| // This activity failed to schedule the |
| // pause, so just treat it as being paused now. |
| if (DEBUG_PAUSE) Slog.v(TAG_PAUSE, "Activity not running, resuming next."); |
| if (resuming == null) { |
| mRootWindowContainer.resumeFocusedStacksTopActivities(); |
| } |
| return false; |
| } |
| } |
| |
| @VisibleForTesting |
| void completePauseLocked(boolean resumeNext, ActivityRecord resuming) { |
| ActivityRecord prev = mPausingActivity; |
| if (DEBUG_PAUSE) Slog.v(TAG_PAUSE, "Complete pause: " + prev); |
| |
| if (prev != null) { |
| prev.setWillCloseOrEnterPip(false); |
| final boolean wasStopping = prev.isState(STOPPING); |
| prev.setState(PAUSED, "completePausedLocked"); |
| if (prev.finishing) { |
| if (DEBUG_PAUSE) Slog.v(TAG_PAUSE, "Executing finish of activity: " + prev); |
| prev = prev.completeFinishing("completePausedLocked"); |
| } else if (prev.hasProcess()) { |
| if (DEBUG_PAUSE) Slog.v(TAG_PAUSE, "Enqueue pending stop if needed: " + prev |
| + " wasStopping=" + wasStopping |
| + " visibleRequested=" + prev.mVisibleRequested); |
| if (prev.deferRelaunchUntilPaused) { |
| // Complete the deferred relaunch that was waiting for pause to complete. |
| if (DEBUG_PAUSE) Slog.v(TAG_PAUSE, "Re-launching after pause: " + prev); |
| prev.relaunchActivityLocked(prev.preserveWindowOnDeferredRelaunch); |
| } else if (wasStopping) { |
| // We are also stopping, the stop request must have gone soon after the pause. |
| // We can't clobber it, because the stop confirmation will not be handled. |
| // We don't need to schedule another stop, we only need to let it happen. |
| prev.setState(STOPPING, "completePausedLocked"); |
| } else if (!prev.mVisibleRequested || shouldSleepOrShutDownActivities()) { |
| // Clear out any deferred client hide we might currently have. |
| prev.setDeferHidingClient(false); |
| // If we were visible then resumeTopActivities will release resources before |
| // stopping. |
| prev.addToStopping(true /* scheduleIdle */, false /* idleDelayed */, |
| "completePauseLocked"); |
| } |
| } else { |
| if (DEBUG_PAUSE) Slog.v(TAG_PAUSE, "App died during pause, not stopping: " + prev); |
| prev = null; |
| } |
| // It is possible the activity was freezing the screen before it was paused. |
| // In that case go ahead and remove the freeze this activity has on the screen |
| // since it is no longer visible. |
| if (prev != null) { |
| prev.stopFreezingScreenLocked(true /*force*/); |
| } |
| mPausingActivity = null; |
| } |
| |
| if (resumeNext) { |
| final ActivityStack topStack = mRootWindowContainer.getTopDisplayFocusedStack(); |
| if (topStack != null && !topStack.shouldSleepOrShutDownActivities()) { |
| mRootWindowContainer.resumeFocusedStacksTopActivities(topStack, prev, null); |
| } else { |
| checkReadyForSleep(); |
| final ActivityRecord top = topStack != null ? topStack.topRunningActivity() : null; |
| if (top == null || (prev != null && top != prev)) { |
| // If there are no more activities available to run, do resume anyway to start |
| // something. Also if the top activity on the stack is not the just paused |
| // activity, we need to go ahead and resume it to ensure we complete an |
| // in-flight app switch. |
| mRootWindowContainer.resumeFocusedStacksTopActivities(); |
| } |
| } |
| } |
| |
| if (prev != null) { |
| prev.resumeKeyDispatchingLocked(); |
| |
| if (prev.hasProcess() && prev.cpuTimeAtResume > 0) { |
| final long diff = prev.app.getCpuTime() - prev.cpuTimeAtResume; |
| if (diff > 0) { |
| final Runnable r = PooledLambda.obtainRunnable( |
| ActivityManagerInternal::updateForegroundTimeIfOnBattery, |
| mAtmService.mAmInternal, prev.info.packageName, |
| prev.info.applicationInfo.uid, |
| diff); |
| mAtmService.mH.post(r); |
| } |
| } |
| prev.cpuTimeAtResume = 0; // reset it |
| } |
| |
| mRootWindowContainer.ensureActivitiesVisible(resuming, 0, !PRESERVE_WINDOWS); |
| |
| // Notify when the task stack has changed, but only if visibilities changed (not just |
| // focus). Also if there is an active pinned stack - we always want to notify it about |
| // task stack changes, because its positioning may depend on it. |
| if (mStackSupervisor.mAppVisibilitiesChangedSinceLastPause |
| || (getDisplayArea() != null && getDisplayArea().hasPinnedTask())) { |
| mAtmService.getTaskChangeNotificationController().notifyTaskStackChanged(); |
| mStackSupervisor.mAppVisibilitiesChangedSinceLastPause = false; |
| } |
| } |
| |
| boolean isTopStackInDisplayArea() { |
| final TaskDisplayArea taskDisplayArea = getDisplayArea(); |
| return taskDisplayArea != null && taskDisplayArea.isTopStack(this); |
| } |
| |
| /** |
| * @return {@code true} if this is the focused stack on its current display, {@code false} |
| * otherwise. |
| */ |
| boolean isFocusedStackOnDisplay() { |
| final DisplayContent display = getDisplay(); |
| return display != null && this == display.getFocusedStack(); |
| } |
| |
| /** |
| * Make sure that all activities that need to be visible in the stack (that is, they |
| * currently can be seen by the user) actually are and update their configuration. |
| * @param starting The top most activity in the task. |
| * The activity is either starting or resuming. |
| * Caller should ensure starting activity is visible. |
| * @param preserveWindows Flag indicating whether windows should be preserved when updating |
| * configuration in {@link mEnsureActivitiesVisibleHelper}. |
| * @param configChanges Parts of the configuration that changed for this activity for evaluating |
| * if the screen should be frozen as part of |
| * {@link mEnsureActivitiesVisibleHelper}. |
| * |
| */ |
| void ensureActivitiesVisible(@Nullable ActivityRecord starting, int configChanges, |
| boolean preserveWindows) { |
| ensureActivitiesVisible(starting, configChanges, preserveWindows, true /* notifyClients */); |
| } |
| |
| /** |
| * Ensure visibility with an option to also update the configuration of visible activities. |
| * @see #ensureActivitiesVisible(ActivityRecord, int, boolean) |
| * @see RootWindowContainer#ensureActivitiesVisible(ActivityRecord, int, boolean) |
| * @param starting The top most activity in the task. |
| * The activity is either starting or resuming. |
| * Caller should ensure starting activity is visible. |
| * @param notifyClients Flag indicating whether the visibility updates should be sent to the |
| * clients in {@link mEnsureActivitiesVisibleHelper}. |
| * @param preserveWindows Flag indicating whether windows should be preserved when updating |
| * configuration in {@link mEnsureActivitiesVisibleHelper}. |
| * @param configChanges Parts of the configuration that changed for this activity for evaluating |
| * if the screen should be frozen as part of |
| * {@link mEnsureActivitiesVisibleHelper}. |
| */ |
| // TODO: Should be re-worked based on the fact that each task as a stack in most cases. |
| void ensureActivitiesVisible(@Nullable ActivityRecord starting, int configChanges, |
| boolean preserveWindows, boolean notifyClients) { |
| mTopActivityOccludesKeyguard = false; |
| mTopDismissingKeyguardActivity = null; |
| mStackSupervisor.beginActivityVisibilityUpdate(); |
| try { |
| mEnsureActivitiesVisibleHelper.process( |
| starting, configChanges, preserveWindows, notifyClients); |
| |
| if (mTranslucentActivityWaiting != null && |
| mUndrawnActivitiesBelowTopTranslucent.isEmpty()) { |
| // Nothing is getting drawn or everything was already visible, don't wait for timeout. |
| notifyActivityDrawnLocked(null); |
| } |
| } finally { |
| mStackSupervisor.endActivityVisibilityUpdate(); |
| } |
| } |
| |
| /** |
| * @return true if the top visible activity wants to occlude the Keyguard, false otherwise |
| */ |
| boolean topActivityOccludesKeyguard() { |
| return mTopActivityOccludesKeyguard; |
| } |
| |
| /** |
| * Returns true if this stack should be resized to match the bounds specified by |
| * {@link ActivityOptions#setLaunchBounds} when launching an activity into the stack. |
| */ |
| boolean shouldResizeStackWithLaunchBounds() { |
| return inPinnedWindowingMode(); |
| } |
| |
| // TODO(NOW!) |
| /** |
| * Returns {@code true} if this is the top-most split-screen-primary or |
| * split-screen-secondary stack, {@code false} otherwise. |
| */ |
| boolean isTopSplitScreenStack() { |
| return inSplitScreenWindowingMode() |
| && this == getDisplayArea().getTopStackInWindowingMode(getWindowingMode()); |
| } |
| |
| /** |
| * @return the top most visible activity that wants to dismiss Keyguard |
| */ |
| ActivityRecord getTopDismissingKeyguardActivity() { |
| return mTopDismissingKeyguardActivity; |
| } |
| |
| /** |
| * Checks whether {@param r} should be visible depending on Keyguard state and updates |
| * {@link #mTopActivityOccludesKeyguard} and {@link #mTopDismissingKeyguardActivity} if |
| * necessary. |
| * |
| * @return true if {@param r} is visible taken Keyguard state into account, false otherwise |
| */ |
| boolean checkKeyguardVisibility(ActivityRecord r, boolean shouldBeVisible, boolean isTop) { |
| int displayId = getDisplayId(); |
| if (displayId == INVALID_DISPLAY) displayId = DEFAULT_DISPLAY; |
| |
| final boolean keyguardOrAodShowing = mStackSupervisor.getKeyguardController() |
| .isKeyguardOrAodShowing(displayId); |
| final boolean keyguardLocked = mStackSupervisor.getKeyguardController().isKeyguardLocked(); |
| final boolean showWhenLocked = r.canShowWhenLocked(); |
| final boolean dismissKeyguard = r.containsDismissKeyguardWindow(); |
| if (shouldBeVisible) { |
| if (dismissKeyguard && mTopDismissingKeyguardActivity == null) { |
| mTopDismissingKeyguardActivity = r; |
| } |
| |
| // Only the top activity may control occluded, as we can't occlude the Keyguard if the |
| // top app doesn't want to occlude it. |
| if (isTop) { |
| mTopActivityOccludesKeyguard |= showWhenLocked; |
| } |
| |
| final boolean canShowWithKeyguard = canShowWithInsecureKeyguard() |
| && mStackSupervisor.getKeyguardController().canDismissKeyguard(); |
| if (canShowWithKeyguard) { |
| return true; |
| } |
| } |
| if (keyguardOrAodShowing) { |
| // If keyguard is showing, nothing is visible, except if we are able to dismiss Keyguard |
| // right away and AOD isn't visible. |
| return shouldBeVisible && mStackSupervisor.getKeyguardController() |
| .canShowActivityWhileKeyguardShowing(r, dismissKeyguard); |
| } else if (keyguardLocked) { |
| return shouldBeVisible && mStackSupervisor.getKeyguardController().canShowWhileOccluded( |
| dismissKeyguard, showWhenLocked); |
| } else { |
| return shouldBeVisible; |
| } |
| } |
| |
| /** |
| * Check if the display to which this stack is attached has |
| * {@link Display#FLAG_CAN_SHOW_WITH_INSECURE_KEYGUARD} applied. |
| */ |
| boolean canShowWithInsecureKeyguard() { |
| final DisplayContent displayContent = getDisplay(); |
| if (displayContent == null) { |
| throw new IllegalStateException("Stack is not attached to any display, stackId=" |
| + getRootTaskId()); |
| } |
| |
| final int flags = displayContent.mDisplay.getFlags(); |
| return (flags & FLAG_CAN_SHOW_WITH_INSECURE_KEYGUARD) != 0; |
| } |
| |
| void checkTranslucentActivityWaiting(ActivityRecord top) { |
| if (mTranslucentActivityWaiting != top) { |
| mUndrawnActivitiesBelowTopTranslucent.clear(); |
| if (mTranslucentActivityWaiting != null) { |
| // Call the callback with a timeout indication. |
| notifyActivityDrawnLocked(null); |
| mTranslucentActivityWaiting = null; |
| } |
| mHandler.removeMessages(TRANSLUCENT_TIMEOUT_MSG); |
| } |
| } |
| |
| void convertActivityToTranslucent(ActivityRecord r) { |
| mTranslucentActivityWaiting = r; |
| mUndrawnActivitiesBelowTopTranslucent.clear(); |
| mHandler.sendEmptyMessageDelayed(TRANSLUCENT_TIMEOUT_MSG, TRANSLUCENT_CONVERSION_TIMEOUT); |
| } |
| |
| /** |
| * Called as activities below the top translucent activity are redrawn. When the last one is |
| * redrawn notify the top activity by calling |
| * {@link Activity#onTranslucentConversionComplete}. |
| * |
| * @param r The most recent background activity to be drawn. Or, if r is null then a timeout |
| * occurred and the activity will be notified immediately. |
| */ |
| void notifyActivityDrawnLocked(ActivityRecord r) { |
| if ((r == null) |
| || (mUndrawnActivitiesBelowTopTranslucent.remove(r) && |
| mUndrawnActivitiesBelowTopTranslucent.isEmpty())) { |
| // The last undrawn activity below the top has just been drawn. If there is an |
| // opaque activity at the top, notify it that it can become translucent safely now. |
| final ActivityRecord waitingActivity = mTranslucentActivityWaiting; |
| mTranslucentActivityWaiting = null; |
| mUndrawnActivitiesBelowTopTranslucent.clear(); |
| mHandler.removeMessages(TRANSLUCENT_TIMEOUT_MSG); |
| |
| if (waitingActivity != null) { |
| mWmService.setWindowOpaqueLocked(waitingActivity.appToken, false); |
| if (waitingActivity.attachedToProcess()) { |
| try { |
| waitingActivity.app.getThread().scheduleTranslucentConversionComplete( |
| waitingActivity.appToken, r != null); |
| } catch (RemoteException e) { |
| } |
| } |
| } |
| } |
| } |
| |
| /** @see ActivityRecord#cancelInitializing() */ |
| void cancelInitializingActivities() { |
| // We don't want to clear starting window for activities that aren't behind fullscreen |
| // activities as we need to display their starting window until they are done initializing. |
| checkBehindFullscreenActivity(null /* toCheck */, ActivityRecord::cancelInitializing); |
| } |
| |
| /** |
| * If an activity {@param toCheck} is given, this method returns {@code true} if the activity |
| * is occluded by any fullscreen activity. If there is no {@param toCheck} and the handling |
| * function {@param handleBehindFullscreenActivity} is given, this method will pass all occluded |
| * activities to the function. |
| */ |
| boolean checkBehindFullscreenActivity(ActivityRecord toCheck, |
| Consumer<ActivityRecord> handleBehindFullscreenActivity) { |
| return mCheckBehindFullscreenActivityHelper.process( |
| toCheck, handleBehindFullscreenActivity); |
| } |
| |
| /** |
| * Ensure that the top activity in the stack is resumed. |
| * |
| * @param prev The previously resumed activity, for when in the process |
| * of pausing; can be null to call from elsewhere. |
| * @param options Activity options. |
| * |
| * @return Returns true if something is being resumed, or false if |
| * nothing happened. |
| * |
| * NOTE: It is not safe to call this method directly as it can cause an activity in a |
| * non-focused stack to be resumed. |
| * Use {@link RootWindowContainer#resumeFocusedStacksTopActivities} to resume the |
| * right activity for the current system state. |
| */ |
| @GuardedBy("mService") |
| boolean resumeTopActivityUncheckedLocked(ActivityRecord prev, ActivityOptions options) { |
| if (mInResumeTopActivity) { |
| // Don't even start recursing. |
| return false; |
| } |
| |
| boolean result = false; |
| try { |
| // Protect against recursion. |
| mInResumeTopActivity = true; |
| result = resumeTopActivityInnerLocked(prev, options); |
| |
| // When resuming the top activity, it may be necessary to pause the top activity (for |
| // example, returning to the lock screen. We suppress the normal pause logic in |
| // {@link #resumeTopActivityUncheckedLocked}, since the top activity is resumed at the |
| // end. We call the {@link ActivityStackSupervisor#checkReadyForSleepLocked} again here |
| // to ensure any necessary pause logic occurs. In the case where the Activity will be |
| // shown regardless of the lock screen, the call to |
| // {@link ActivityStackSupervisor#checkReadyForSleepLocked} is skipped. |
| final ActivityRecord next = topRunningActivity(true /* focusableOnly */); |
| if (next == null || !next.canTurnScreenOn()) { |
| checkReadyForSleep(); |
| } |
| } finally { |
| mInResumeTopActivity = false; |
| } |
| |
| return result; |
| } |
| |
| @GuardedBy("mService") |
| private boolean resumeTopActivityInnerLocked(ActivityRecord prev, ActivityOptions options) { |
| if (!mAtmService.isBooting() && !mAtmService.isBooted()) { |
| // Not ready yet! |
| return false; |
| } |
| |
| // Find the next top-most activity to resume in this stack that is not finishing and is |
| // focusable. If it is not focusable, we will fall into the case below to resume the |
| // top activity in the next focusable task. |
| ActivityRecord next = topRunningActivity(true /* focusableOnly */); |
| |
| final boolean hasRunningActivity = next != null; |
| |
| // TODO: Maybe this entire condition can get removed? |
| if (hasRunningActivity && !isAttached()) { |
| return false; |
| } |
| |
| mRootWindowContainer.cancelInitializingActivities(); |
| |
| // Remember how we'll process this pause/resume situation, and ensure |
| // that the state is reset however we wind up proceeding. |
| boolean userLeaving = mStackSupervisor.mUserLeaving; |
| mStackSupervisor.mUserLeaving = false; |
| |
| if (!hasRunningActivity) { |
| // There are no activities left in the stack, let's look somewhere else. |
| return resumeNextFocusableActivityWhenStackIsEmpty(prev, options); |
| } |
| |
| next.delayedResume = false; |
| final TaskDisplayArea taskDisplayArea = getDisplayArea(); |
| |
| // If the top activity is the resumed one, nothing to do. |
| if (mResumedActivity == next && next.isState(RESUMED) |
| && taskDisplayArea.allResumedActivitiesComplete()) { |
| // Make sure we have executed any pending transitions, since there |
| // should be nothing left to do at this point. |
| executeAppTransition(options); |
| if (DEBUG_STATES) Slog.d(TAG_STATES, |
| "resumeTopActivityLocked: Top activity resumed " + next); |
| return false; |
| } |
| |
| if (!next.canResumeByCompat()) { |
| return false; |
| } |
| |
| // If we are currently pausing an activity, then don't do anything until that is done. |
| final boolean allPausedComplete = mRootWindowContainer.allPausedActivitiesComplete(); |
| if (!allPausedComplete) { |
| if (DEBUG_SWITCH || DEBUG_PAUSE || DEBUG_STATES) { |
| Slog.v(TAG_PAUSE, "resumeTopActivityLocked: Skip resume: some activity pausing."); |
| } |
| return false; |
| } |
| |
| // If we are sleeping, and there is no resumed activity, and the top activity is paused, |
| // well that is the state we want. |
| if (shouldSleepOrShutDownActivities() |
| && mLastPausedActivity == next |
| && mRootWindowContainer.allPausedActivitiesComplete()) { |
| // If the current top activity may be able to occlude keyguard but the occluded state |
| // has not been set, update visibility and check again if we should continue to resume. |
| boolean nothingToResume = true; |
| if (!mAtmService.mShuttingDown) { |
| final boolean canShowWhenLocked = !mTopActivityOccludesKeyguard |
| && next.canShowWhenLocked(); |
| final boolean mayDismissKeyguard = mTopDismissingKeyguardActivity != next |
| && next.containsDismissKeyguardWindow(); |
| |
| if (canShowWhenLocked || mayDismissKeyguard) { |
| ensureActivitiesVisible(null /* starting */, 0 /* configChanges */, |
| !PRESERVE_WINDOWS); |
| nothingToResume = shouldSleepActivities(); |
| } else if (next.currentLaunchCanTurnScreenOn() && next.canTurnScreenOn()) { |
| nothingToResume = false; |
| } |
| } |
| if (nothingToResume) { |
| // Make sure we have executed any pending transitions, since there |
| // should be nothing left to do at this point. |
| executeAppTransition(options); |
| if (DEBUG_STATES) Slog.d(TAG_STATES, |
| "resumeTopActivityLocked: Going to sleep and all paused"); |
| return false; |
| } |
| } |
| |
| // Make sure that the user who owns this activity is started. If not, |
| // we will just leave it as is because someone should be bringing |
| // another user's activities to the top of the stack. |
| if (!mAtmService.mAmInternal.hasStartedUserState(next.mUserId)) { |
| Slog.w(TAG, "Skipping resume of top activity " + next |
| + ": user " + next.mUserId + " is stopped"); |
| return false; |
| } |
| |
| // The activity may be waiting for stop, but that is no longer |
| // appropriate for it. |
| mStackSupervisor.mStoppingActivities.remove(next); |
| next.setSleeping(false); |
| |
| if (DEBUG_SWITCH) Slog.v(TAG_SWITCH, "Resuming " + next); |
| |
| // If we are currently pausing an activity, then don't do anything until that is done. |
| if (!mRootWindowContainer.allPausedActivitiesComplete()) { |
| if (DEBUG_SWITCH || DEBUG_PAUSE || DEBUG_STATES) Slog.v(TAG_PAUSE, |
| "resumeTopActivityLocked: Skip resume: some activity pausing."); |
| |
| return false; |
| } |
| |
| mStackSupervisor.setLaunchSource(next.info.applicationInfo.uid); |
| |
| ActivityRecord lastResumed = null; |
| final ActivityStack lastFocusedStack = taskDisplayArea.getLastFocusedStack(); |
| if (lastFocusedStack != null && lastFocusedStack != this) { |
| // So, why aren't we using prev here??? See the param comment on the method. prev doesn't |
| // represent the last resumed activity. However, the last focus stack does if it isn't null. |
| lastResumed = lastFocusedStack.mResumedActivity; |
| if (userLeaving && inMultiWindowMode() && lastFocusedStack.shouldBeVisible(next)) { |
| // The user isn't leaving if this stack is the multi-window mode and the last |
| // focused stack should still be visible. |
| if(DEBUG_USER_LEAVING) Slog.i(TAG_USER_LEAVING, "Overriding userLeaving to false" |
| + " next=" + next + " lastResumed=" + lastResumed); |
| userLeaving = false; |
| } |
| } |
| |
| boolean pausing = taskDisplayArea.pauseBackStacks(userLeaving, next); |
| if (mResumedActivity != null) { |
| if (DEBUG_STATES) Slog.d(TAG_STATES, |
| "resumeTopActivityLocked: Pausing " + mResumedActivity); |
| pausing |= startPausingLocked(userLeaving, false /* uiSleeping */, next); |
| } |
| if (pausing) { |
| if (DEBUG_SWITCH || DEBUG_STATES) Slog.v(TAG_STATES, |
| "resumeTopActivityLocked: Skip resume: need to start pausing"); |
| // At this point we want to put the upcoming activity's process |
| // at the top of the LRU list, since we know we will be needing it |
| // very soon and it would be a waste to let it get killed if it |
| // happens to be sitting towards the end. |
| if (next.attachedToProcess()) { |
| next.app.updateProcessInfo(false /* updateServiceConnectionActivities */, |
| true /* activityChange */, false /* updateOomAdj */, |
| false /* addPendingTopUid */); |
| } else if (!next.isProcessRunning()) { |
| // Since the start-process is asynchronous, if we already know the process of next |
| // activity isn't running, we can start the process earlier to save the time to wait |
| // for the current activity to be paused. |
| final boolean isTop = this == taskDisplayArea.getFocusedStack(); |
| mAtmService.startProcessAsync(next, false /* knownToBeDead */, isTop, |
| isTop ? "pre-top-activity" : "pre-activity"); |
| } |
| if (lastResumed != null) { |
| lastResumed.setWillCloseOrEnterPip(true); |
| } |
| return true; |
| } else if (mResumedActivity == next && next.isState(RESUMED) |
| && taskDisplayArea.allResumedActivitiesComplete()) { |
| // It is possible for the activity to be resumed when we paused back stacks above if the |
| // next activity doesn't have to wait for pause to complete. |
| // So, nothing else to-do except: |
| // Make sure we have executed any pending transitions, since there |
| // should be nothing left to do at this point. |
| executeAppTransition(options); |
| if (DEBUG_STATES) Slog.d(TAG_STATES, |
| "resumeTopActivityLocked: Top activity resumed (dontWaitForPause) " + next); |
| return true; |
| } |
| |
| // If the most recent activity was noHistory but was only stopped rather |
| // than stopped+finished because the device went to sleep, we need to make |
| // sure to finish it as we're making a new activity topmost. |
| if (shouldSleepActivities() && mLastNoHistoryActivity != null && |
| !mLastNoHistoryActivity.finishing) { |
| if (DEBUG_STATES) Slog.d(TAG_STATES, |
| "no-history finish of " + mLastNoHistoryActivity + " on new resume"); |
| mLastNoHistoryActivity.finishIfPossible("resume-no-history", false /* oomAdj */); |
| mLastNoHistoryActivity = null; |
| } |
| |
| if (prev != null && prev != next && next.nowVisible) { |
| |
| // The next activity is already visible, so hide the previous |
| // activity's windows right now so we can show the new one ASAP. |
| // We only do this if the previous is finishing, which should mean |
| // it is on top of the one being resumed so hiding it quickly |
| // is good. Otherwise, we want to do the normal route of allowing |
| // the resumed activity to be shown so we can decide if the |
| // previous should actually be hidden depending on whether the |
| // new one is found to be full-screen or not. |
| if (prev.finishing) { |
| prev.setVisibility(false); |
| if (DEBUG_SWITCH) Slog.v(TAG_SWITCH, |
| "Not waiting for visible to hide: " + prev |
| + ", nowVisible=" + next.nowVisible); |
| } else { |
| if (DEBUG_SWITCH) Slog.v(TAG_SWITCH, |
| "Previous already visible but still waiting to hide: " + prev |
| + ", nowVisible=" + next.nowVisible); |
| } |
| |
| } |
| |
| // Launching this app's activity, make sure the app is no longer |
| // considered stopped. |
| try { |
| mAtmService.getPackageManager().setPackageStoppedState( |
| next.packageName, false, next.mUserId); /* TODO: Verify if correct userid */ |
| } catch (RemoteException e1) { |
| } catch (IllegalArgumentException e) { |
| Slog.w(TAG, "Failed trying to unstop package " |
| + next.packageName + ": " + e); |
| } |
| |
| // We are starting up the next activity, so tell the window manager |
| // that the previous one will be hidden soon. This way it can know |
| // to ignore it when computing the desired screen orientation. |
| boolean anim = true; |
| final DisplayContent dc = taskDisplayArea.mDisplayContent; |
| if (prev != null) { |
| if (prev.finishing) { |
| if (DEBUG_TRANSITION) Slog.v(TAG_TRANSITION, |
| "Prepare close transition: prev=" + prev); |
| if (mStackSupervisor.mNoAnimActivities.contains(prev)) { |
| anim = false; |
| dc.prepareAppTransition(TRANSIT_NONE, false); |
| } else { |
| dc.prepareAppTransition( |
| prev.getTask() == next.getTask() ? TRANSIT_ACTIVITY_CLOSE |
| : TRANSIT_TASK_CLOSE, false); |
| } |
| prev.setVisibility(false); |
| } else { |
| if (DEBUG_TRANSITION) Slog.v(TAG_TRANSITION, |
| "Prepare open transition: prev=" + prev); |
| if (mStackSupervisor.mNoAnimActivities.contains(next)) { |
| anim = false; |
| dc.prepareAppTransition(TRANSIT_NONE, false); |
| } else { |
| dc.prepareAppTransition( |
| prev.getTask() == next.getTask() ? TRANSIT_ACTIVITY_OPEN |
| : next.mLaunchTaskBehind ? TRANSIT_TASK_OPEN_BEHIND |
| : TRANSIT_TASK_OPEN, false); |
| } |
| } |
| } else { |
| if (DEBUG_TRANSITION) Slog.v(TAG_TRANSITION, "Prepare open transition: no previous"); |
| if (mStackSupervisor.mNoAnimActivities.contains(next)) { |
| anim = false; |
| dc.prepareAppTransition(TRANSIT_NONE, false); |
| } else { |
| dc.prepareAppTransition(TRANSIT_ACTIVITY_OPEN, false); |
| } |
| } |
| |
| if (anim) { |
| next.applyOptionsLocked(); |
| } else { |
| next.clearOptionsLocked(); |
| } |
| |
| mStackSupervisor.mNoAnimActivities.clear(); |
| |
| if (next.attachedToProcess()) { |
| if (DEBUG_SWITCH) Slog.v(TAG_SWITCH, "Resume running: " + next |
| + " stopped=" + next.stopped |
| + " visibleRequested=" + next.mVisibleRequested); |
| |
| // If the previous activity is translucent, force a visibility update of |
| // the next activity, so that it's added to WM's opening app list, and |
| // transition animation can be set up properly. |
| // For example, pressing Home button with a translucent activity in focus. |
| // Launcher is already visible in this case. If we don't add it to opening |
| // apps, maybeUpdateTransitToWallpaper() will fail to identify this as a |
| // TRANSIT_WALLPAPER_OPEN animation, and run some funny animation. |
| final boolean lastActivityTranslucent = lastFocusedStack != null |
| && (lastFocusedStack.inMultiWindowMode() |
| || (lastFocusedStack.mLastPausedActivity != null |
| && !lastFocusedStack.mLastPausedActivity.occludesParent())); |
| |
| // This activity is now becoming visible. |
| if (!next.mVisibleRequested || next.stopped || lastActivityTranslucent) { |
| next.setVisibility(true); |
| } |
| |
| // schedule launch ticks to collect information about slow apps. |
| next.startLaunchTickingLocked(); |
| |
| ActivityRecord lastResumedActivity = |
| lastFocusedStack == null ? null : lastFocusedStack.mResumedActivity; |
| final ActivityState lastState = next.getState(); |
| |
| mAtmService.updateCpuStats(); |
| |
| if (DEBUG_STATES) Slog.v(TAG_STATES, "Moving to RESUMED: " + next |
| + " (in existing)"); |
| |
| next.setState(RESUMED, "resumeTopActivityInnerLocked"); |
| |
| next.app.updateProcessInfo(false /* updateServiceConnectionActivities */, |
| true /* activityChange */, true /* updateOomAdj */, |
| true /* addPendingTopUid */); |
| |
| // Have the window manager re-evaluate the orientation of |
| // the screen based on the new activity order. |
| boolean notUpdated = true; |
| |
| // Activity should also be visible if set mLaunchTaskBehind to true (see |
| // ActivityRecord#shouldBeVisibleIgnoringKeyguard()). |
| if (shouldBeVisible(next)) { |
| // We have special rotation behavior when here is some active activity that |
| // requests specific orientation or Keyguard is locked. Make sure all activity |
| // visibilities are set correctly as well as the transition is updated if needed |
| // to get the correct rotation behavior. Otherwise the following call to update |
| // the orientation may cause incorrect configurations delivered to client as a |
| // result of invisible window resize. |
| // TODO: Remove this once visibilities are set correctly immediately when |
| // starting an activity. |
| notUpdated = !mRootWindowContainer.ensureVisibilityAndConfig(next, getDisplayId(), |
| true /* markFrozenIfConfigChanged */, false /* deferResume */); |
| } |
| |
| if (notUpdated) { |
| // The configuration update wasn't able to keep the existing |
| // instance of the activity, and instead started a new one. |
| // We should be all done, but let's just make sure our activity |
| // is still at the top and schedule another run if something |
| // weird happened. |
| ActivityRecord nextNext = topRunningActivity(); |
| if (DEBUG_SWITCH || DEBUG_STATES) Slog.i(TAG_STATES, |
| "Activity config changed during resume: " + next |
| + ", new next: " + nextNext); |
| if (nextNext != next) { |
| // Do over! |
| mStackSupervisor.scheduleResumeTopActivities(); |
| } |
| if (!next.mVisibleRequested || next.stopped) { |
| next.setVisibility(true); |
| } |
| next.completeResumeLocked(); |
| return true; |
| } |
| |
| try { |
| final ClientTransaction transaction = |
| ClientTransaction.obtain(next.app.getThread(), next.appToken); |
| // Deliver all pending results. |
| ArrayList<ResultInfo> a = next.results; |
| if (a != null) { |
| final int N = a.size(); |
| if (!next.finishing && N > 0) { |
| if (DEBUG_RESULTS) Slog.v(TAG_RESULTS, |
| "Delivering results to " + next + ": " + a); |
| transaction.addCallback(ActivityResultItem.obtain(a)); |
| } |
| } |
| |
| if (next.newIntents != null) { |
| transaction.addCallback( |
| NewIntentItem.obtain(next.newIntents, true /* resume */)); |
| } |
| |
| // Well the app will no longer be stopped. |
| // Clear app token stopped state in window manager if needed. |
| next.notifyAppResumed(next.stopped); |
| |
| EventLogTags.writeWmResumeActivity(next.mUserId, System.identityHashCode(next), |
| next.getTask().mTaskId, next.shortComponentName); |
| |
| next.setSleeping(false); |
| mAtmService.getAppWarningsLocked().onResumeActivity(next); |
| next.app.setPendingUiCleanAndForceProcessStateUpTo(mAtmService.mTopProcessState); |
| next.clearOptionsLocked(); |
| transaction.setLifecycleStateRequest( |
| ResumeActivityItem.obtain(next.app.getReportedProcState(), |
| dc.isNextTransitionForward())); |
| mAtmService.getLifecycleManager().scheduleTransaction(transaction); |
| |
| if (DEBUG_STATES) Slog.d(TAG_STATES, "resumeTopActivityLocked: Resumed " |
| + next); |
| } catch (Exception e) { |
| // Whoops, need to restart this activity! |
| if (DEBUG_STATES) Slog.v(TAG_STATES, "Resume failed; resetting state to " |
| + lastState + ": " + next); |
| next.setState(lastState, "resumeTopActivityInnerLocked"); |
| |
| // lastResumedActivity being non-null implies there is a lastStack present. |
| if (lastResumedActivity != null) { |
| lastResumedActivity.setState(RESUMED, "resumeTopActivityInnerLocked"); |
| } |
| |
| Slog.i(TAG, "Restarting because process died: " + next); |
| if (!next.hasBeenLaunched) { |
| next.hasBeenLaunched = true; |
| } else if (SHOW_APP_STARTING_PREVIEW && lastFocusedStack != null |
| && lastFocusedStack.isTopStackInDisplayArea()) { |
| next.showStartingWindow(null /* prev */, false /* newTask */, |
| false /* taskSwitch */); |
| } |
| mStackSupervisor.startSpecificActivity(next, true, false); |
| return true; |
| } |
| |
| // From this point on, if something goes wrong there is no way |
| // to recover the activity. |
| try { |
| next.completeResumeLocked(); |
| } catch (Exception e) { |
| // If any exception gets thrown, toss away this |
| // activity and try the next one. |
| Slog.w(TAG, "Exception thrown during resume of " + next, e); |
| next.finishIfPossible("resume-exception", true /* oomAdj */); |
| return true; |
| } |
| } else { |
| // Whoops, need to restart this activity! |
| if (!next.hasBeenLaunched) { |
| next.hasBeenLaunched = true; |
| } else { |
| if (SHOW_APP_STARTING_PREVIEW) { |
| next.showStartingWindow(null /* prev */, false /* newTask */, |
| false /* taskSwich */); |
| } |
| if (DEBUG_SWITCH) Slog.v(TAG_SWITCH, "Restarting: " + next); |
| } |
| if (DEBUG_STATES) Slog.d(TAG_STATES, "resumeTopActivityLocked: Restarting " + next); |
| mStackSupervisor.startSpecificActivity(next, true, true); |
| } |
| |
| return true; |
| } |
| |
| /** |
| * Resume the next eligible activity in a focusable stack when this one does not have any |
| * running activities left. The focus will be adjusted to the next focusable stack and |
| * top running activities will be resumed in all focusable stacks. However, if the current stack |
| * is a home stack - we have to keep it focused, start and resume a home activity on the current |
| * display instead to make sure that the display is not empty. |
| */ |
| private boolean resumeNextFocusableActivityWhenStackIsEmpty(ActivityRecord prev, |
| ActivityOptions options) { |
| final String reason = "noMoreActivities"; |
| |
| if (!isActivityTypeHome()) { |
| final ActivityStack nextFocusedStack = adjustFocusToNextFocusableTask(reason); |
| if (nextFocusedStack != null) { |
| // Try to move focus to the next visible stack with a running activity if this |
| // stack is not covering the entire screen or is on a secondary display with no home |
| // stack. |
| return mRootWindowContainer.resumeFocusedStacksTopActivities(nextFocusedStack, |
| prev, null /* targetOptions */); |
| } |
| } |
| |
| // If the current stack is a home stack, or if focus didn't switch to a different stack - |
| // just start up the Launcher... |
| ActivityOptions.abort(options); |
| if (DEBUG_STATES) Slog.d(TAG_STATES, |
| "resumeNextFocusableActivityWhenStackIsEmpty: " + reason + ", go home"); |
| return mRootWindowContainer.resumeHomeActivity(prev, reason, getDisplayArea()); |
| } |
| |
| void startActivityLocked(ActivityRecord r, ActivityRecord focusedTopActivity, |
| boolean newTask, boolean keepCurTransition, ActivityOptions options) { |
| Task rTask = r.getTask(); |
| final boolean allowMoveToFront = options == null || !options.getAvoidMoveToFront(); |
| final boolean isOrhasTask = rTask == this || hasChild(rTask); |
| // mLaunchTaskBehind tasks get placed at the back of the task stack. |
| if (!r.mLaunchTaskBehind && allowMoveToFront && (!isOrhasTask || newTask)) { |
| // Last activity in task had been removed or ActivityManagerService is reusing task. |
| // Insert or replace. |
| // Might not even be in. |
| positionChildAtTop(rTask); |
| } |
| Task task = null; |
| if (!newTask && isOrhasTask) { |
| // Starting activity cannot be occluding activity, otherwise starting window could be |
| // remove immediately without transferring to starting activity. |
| final ActivityRecord occludingActivity = getOccludingActivityAbove(r); |
| if (occludingActivity != null) { |
| // Here it is! Now, if this is not yet visible (occluded by another task) to the |
| // user, then just add it without starting; it will get started when the user |
| // navigates back to it. |
| if (DEBUG_ADD_REMOVE) Slog.i(TAG, "Adding activity " + r + " to task " + task, |
| new RuntimeException("here").fillInStackTrace()); |
| rTask.positionChildAtTop(r); |
| ActivityOptions.abort(options); |
| return; |
| } |
| } |
| |
| // Place a new activity at top of stack, so it is next to interact with the user. |
| |
| // If we are not placing the new activity frontmost, we do not want to deliver the |
| // onUserLeaving callback to the actual frontmost activity |
| final Task activityTask = r.getTask(); |
| if (task == activityTask && mChildren.indexOf(task) != (getChildCount() - 1)) { |
| mStackSupervisor.mUserLeaving = false; |
| if (DEBUG_USER_LEAVING) Slog.v(TAG_USER_LEAVING, |
| "startActivity() behind front, mUserLeaving=false"); |
| } |
| |
| task = activityTask; |
| |
| // Slot the activity into the history stack and proceed |
| if (DEBUG_ADD_REMOVE) Slog.i(TAG, "Adding activity " + r + " to stack to task " + task, |
| new RuntimeException("here").fillInStackTrace()); |
| task.positionChildAtTop(r); |
| |
| // The transition animation and starting window are not needed if {@code allowMoveToFront} |
| // is false, because the activity won't be visible. |
| if ((!isHomeOrRecentsStack() || hasActivity()) && allowMoveToFront) { |
| final DisplayContent dc = getDisplay().mDisplayContent; |
| if (DEBUG_TRANSITION) Slog.v(TAG_TRANSITION, |
| "Prepare open transition: starting " + r); |
| if ((r.intent.getFlags() & Intent.FLAG_ACTIVITY_NO_ANIMATION) != 0) { |
| dc.prepareAppTransition(TRANSIT_NONE, keepCurTransition); |
| mStackSupervisor.mNoAnimActivities.add(r); |
| } else { |
| int transit = TRANSIT_ACTIVITY_OPEN; |
| if (newTask) { |
| if (r.mLaunchTaskBehind) { |
| transit = TRANSIT_TASK_OPEN_BEHIND; |
| } else if (getDisplay().isSingleTaskInstance()) { |
| // If a new task is being launched in a single task display, we don't need |
| // to play normal animation, but need to trigger a callback when an app |
| // transition is actually handled. So ignore already prepared activity, and |
| // override it. |
| transit = TRANSIT_SHOW_SINGLE_TASK_DISPLAY; |
| keepCurTransition = false; |
| } else { |
| // If a new task is being launched, then mark the existing top activity as |
| // supporting picture-in-picture while pausing only if the starting activity |
| // would not be considered an overlay on top of the current activity |
| // (eg. not fullscreen, or the assistant) |
| if (canEnterPipOnTaskSwitch(focusedTopActivity, |
| null /* toFrontTask */, r, options)) { |
| focusedTopActivity.supportsEnterPipOnTaskSwitch = true; |
| } |
| transit = TRANSIT_TASK_OPEN; |
| } |
| } |
| dc.prepareAppTransition(transit, keepCurTransition); |
| mStackSupervisor.mNoAnimActivities.remove(r); |
| } |
| boolean doShow = true; |
| if (newTask) { |
| // Even though this activity is starting fresh, we still need |
| // to reset it to make sure we apply affinities to move any |
| // existing activities from other tasks in to it. |
| // If the caller has requested that the target task be |
| // reset, then do so. |
| if ((r.intent.getFlags() & Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED) != 0) { |
| resetTaskIfNeeded(r, r); |
| doShow = topRunningNonDelayedActivityLocked(null) == r; |
| } |
| } else if (options != null && options.getAnimationType() |
| == ActivityOptions.ANIM_SCENE_TRANSITION) { |
| doShow = false; |
| } |
| if (r.mLaunchTaskBehind) { |
| // Don't do a starting window for mLaunchTaskBehind. More importantly make sure we |
| // tell WindowManager that r is visible even though it is at the back of the stack. |
| r.setVisibility(true); |
| ensureActivitiesVisible(null, 0, !PRESERVE_WINDOWS); |
| // Go ahead to execute app transition for this activity since the app transition |
| // will not be triggered through the resume channel. |
| getDisplay().mDisplayContent.executeAppTransition(); |
| } else if (SHOW_APP_STARTING_PREVIEW && doShow) { |
| // Figure out if we are transitioning from another activity that is |
| // "has the same starting icon" as the next one. This allows the |
| // window manager to keep the previous window it had previously |
| // created, if it still had one. |
| Task prevTask = r.getTask(); |
| ActivityRecord prev = prevTask.topActivityWithStartingWindow(); |
| if (prev != null) { |
| // We don't want to reuse the previous starting preview if: |
| // (1) The current activity is in a different task. |
| if (prev.getTask() != prevTask) { |
| prev = null; |
| } |
| // (2) The current activity is already displayed. |
| else if (prev.nowVisible) { |
| prev = null; |
| } |
| } |
| r.showStartingWindow(prev, newTask, isTaskSwitch(r, focusedTopActivity)); |
| } |
| } else { |
| // If this is the first activity, don't do any fancy animations, |
| // because there is nothing for it to animate on top of. |
| ActivityOptions.abort(options); |
| } |
| } |
| |
| /** |
| * @return Whether the switch to another task can trigger the currently running activity to |
| * enter PiP while it is pausing (if supported). Only one of {@param toFrontTask} or |
| * {@param toFrontActivity} should be set. |
| */ |
| private boolean canEnterPipOnTaskSwitch(ActivityRecord pipCandidate, |
| Task toFrontTask, ActivityRecord toFrontActivity, ActivityOptions opts) { |
| if (opts != null && opts.disallowEnterPictureInPictureWhileLaunching()) { |
| // Ensure the caller has requested not to trigger auto-enter PiP |
| return false; |
| } |
| if (pipCandidate == null || pipCandidate.inPinnedWindowingMode()) { |
| // Ensure that we do not trigger entering PiP an activity on the pinned stack |
| return false; |
| } |
| final ActivityStack targetStack = toFrontTask != null |
| ? toFrontTask.getStack() : toFrontActivity.getRootTask(); |
| if (targetStack != null && targetStack.isActivityTypeAssistant()) { |
| // Ensure the task/activity being brought forward is not the assistant |
| return false; |
| } |
| return true; |
| } |
| |
| private boolean isTaskSwitch(ActivityRecord r, ActivityRecord topFocusedActivity) { |
| return topFocusedActivity != null && r.getTask() != topFocusedActivity.getTask(); |
| } |
| |
| /** |
| * Reset the task by reparenting the activities that have same affinity to the task or |
| * reparenting the activities that have different affinityies out of the task, while these |
| * activities allow task reparenting. |
| * |
| * @param taskTop Top activity of the task might be reset. |
| * @param newActivity The activity that going to be started. |
| * @return The non-finishing top activity of the task after reset or the original task top |
| * activity if all activities within the task are finishing. |
| */ |
| ActivityRecord resetTaskIfNeeded(ActivityRecord taskTop, ActivityRecord newActivity) { |
| final boolean forceReset = |
| (newActivity.info.flags & ActivityInfo.FLAG_CLEAR_TASK_ON_LAUNCH) != 0; |
| final Task task = taskTop.getTask(); |
| |
| // If ActivityOptions are moved out and need to be aborted or moved to taskTop. |
| final ActivityOptions topOptions = sResetTargetTaskHelper.process(task, forceReset); |
| |
| if (mChildren.contains(task)) { |
| final ActivityRecord newTop = task.getTopNonFinishingActivity(); |
| if (newTop != null) { |
| taskTop = newTop; |
| } |
| } |
| |
| if (topOptions != null) { |
| // If we got some ActivityOptions from an activity on top that |
| // was removed from the task, propagate them to the new real top. |
| taskTop.updateOptionsLocked(topOptions); |
| } |
| |
| return taskTop; |
| } |
| |
| /** |
| * Finish the topmost activity that belongs to the crashed app. We may also finish the activity |
| * that requested launch of the crashed one to prevent launch-crash loop. |
| * @param app The app that crashed. |
| * @param reason Reason to perform this action. |
| * @return The task that was finished in this stack, {@code null} if top running activity does |
| * not belong to the crashed app. |
| */ |
| final Task finishTopCrashedActivityLocked(WindowProcessController app, String reason) { |
| final ActivityRecord r = topRunningActivity(); |
| if (r == null || r.app != app) { |
| return null; |
| } |
| if (r.isActivityTypeHome() && mAtmService.mHomeProcess == app) { |
| // Home activities should not be force-finished as we have nothing else to go |
| // back to. AppErrors will get to it after two crashes in MIN_CRASH_INTERVAL. |
| Slog.w(TAG, " Not force finishing home activity " |
| + r.intent.getComponent().flattenToShortString()); |
| return null; |
| } |
| Slog.w(TAG, " Force finishing activity " |
| + r.intent.getComponent().flattenToShortString()); |
| Task finishedTask = r.getTask(); |
| getDisplay().mDisplayContent.prepareAppTransition( |
| TRANSIT_CRASHING_ACTIVITY_CLOSE, false /* alwaysKeepCurrent */); |
| r.finishIfPossible(reason, false /* oomAdj */); |
| |
| // Also terminate any activities below it that aren't yet stopped, to avoid a situation |
| // where one will get re-start our crashing activity once it gets resumed again. |
| final ActivityRecord activityBelow = getActivityBelow(r); |
| if (activityBelow != null) { |
| if (activityBelow.isState(STARTED, RESUMED, PAUSING, PAUSED)) { |
| if (!activityBelow.isActivityTypeHome() |
| || mAtmService.mHomeProcess != activityBelow.app) { |
| Slog.w(TAG, " Force finishing activity " |
| + activityBelow.intent.getComponent().flattenToShortString()); |
| activityBelow.finishIfPossible(reason, false /* oomAdj */); |
| } |
| } |
| } |
| |
| return finishedTask; |
| } |
| |
| void finishVoiceTask(IVoiceInteractionSession session) { |
| final PooledConsumer c = PooledLambda.obtainConsumer(ActivityStack::finishIfVoiceTask, |
| PooledLambda.__(Task.class), session.asBinder()); |
| forAllLeafTasks(c, true /* traverseTopToBottom */); |
| c.recycle(); |
| } |
| |
| private static void finishIfVoiceTask(Task tr, IBinder binder) { |
| if (tr.voiceSession != null && tr.voiceSession.asBinder() == binder) { |
| tr.forAllActivities((r) -> { |
| if (r.finishing) return; |
| r.finishIfPossible("finish-voice", false /* oomAdj */); |
| tr.mAtmService.updateOomAdj(); |
| }); |
| } else { |
| // Check if any of the activities are using voice |
| final PooledFunction f = PooledLambda.obtainFunction( |
| ActivityStack::finishIfVoiceActivity, PooledLambda.__(ActivityRecord.class), |
| binder); |
| tr.forAllActivities(f); |
| f.recycle(); |
| } |
| } |
| |
| private static boolean finishIfVoiceActivity(ActivityRecord r, IBinder binder) { |
| if (r.voiceSession == null || r.voiceSession.asBinder() != binder) return false; |
| // Inform of cancellation |
| r.clearVoiceSessionLocked(); |
| try { |
| r.app.getThread().scheduleLocalVoiceInteractionStarted(r.appToken, null); |
| } catch (RemoteException re) { |
| // Ok Boomer... |
| } |
| r.mAtmService.finishRunningVoiceLocked(); |
| return true; |
| } |
| |
| /** Finish all activities in the stack without waiting. */ |
| void finishAllActivitiesImmediately() { |
| if (!hasChild()) { |
| removeIfPossible(); |
| return; |
| } |
| forAllActivities((r) -> { |
| Slog.d(TAG, "finishAllActivitiesImmediatelyLocked: finishing " + r); |
| r.destroyIfPossible("finishAllActivitiesImmediately"); |
| }); |
| } |
| |
| /** @return true if the stack behind this one is a standard activity type. */ |
| private boolean inFrontOfStandardStack() { |
| final TaskDisplayArea taskDisplayArea = getDisplayArea(); |
| if (taskDisplayArea == null) { |
| return false; |
| } |
| final int index = taskDisplayArea.getIndexOf(this); |
| if (index == 0) { |
| return false; |
| } |
| final ActivityStack stackBehind = taskDisplayArea.getChildAt(index - 1); |
| return stackBehind.isActivityTypeStandard(); |
| } |
| |
| boolean shouldUpRecreateTaskLocked(ActivityRecord srec, String destAffinity) { |
| // Basic case: for simple app-centric recents, we need to recreate |
| // the task if the affinity has changed. |
| |
| final String affinity = ActivityRecord.getTaskAffinityWithUid(destAffinity, srec.getUid()); |
| if (srec == null || srec.getTask().affinity == null |
| || !srec.getTask().affinity.equals(affinity)) { |
| return true; |
| } |
| // Document-centric case: an app may be split in to multiple documents; |
| // they need to re-create their task if this current activity is the root |
| // of a document, unless simply finishing it will return them to the the |
| // correct app behind. |
| final Task task = srec.getTask(); |
| if (srec.isRootOfTask() && task.getBaseIntent() != null |
| && task.getBaseIntent().isDocument()) { |
| // Okay, this activity is at the root of its task. What to do, what to do... |
| if (!inFrontOfStandardStack()) { |
| // Finishing won't return to an application, so we need to recreate. |
| return true; |
| } |
| // We now need to get the task below it to determine what to do. |
| final Task prevTask = getTaskBelow(task); |
| if (prevTask == null) { |
| Slog.w(TAG, "shouldUpRecreateTask: task not in history for " + srec); |
| return false; |
| } |
| if (!task.affinity.equals(prevTask.affinity)) { |
| // These are different apps, so need to recreate. |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| boolean navigateUpTo(ActivityRecord srec, Intent destIntent, NeededUriGrants destGrants, |
| int resultCode, Intent resultData, NeededUriGrants resultGrants) { |
| if (!srec.attachedToProcess()) { |
| // Nothing to do if the caller is not attached, because this method should be called |
| // from an alive activity. |
| return false; |
| } |
| final Task task = srec.getTask(); |
| if (!srec.isDescendantOf(this)) { |
| return false; |
| } |
| |
| ActivityRecord parent = task.getActivityBelow(srec); |
| boolean foundParentInTask = false; |
| final ComponentName dest = destIntent.getComponent(); |
| if (task.getBottomMostActivity() != srec && dest != null) { |
| final ActivityRecord candidate = task.getActivity((ar) -> |
| ar.info.packageName.equals(dest.getPackageName()) && |
| ar.info.name.equals(dest.getClassName()), srec, false /*includeBoundary*/, |
| true /*traverseTopToBottom*/); |
| if (candidate != null) { |
| parent = candidate; |
| foundParentInTask = true; |
| } |
| } |
| |
| // TODO: There is a dup. of this block of code in ActivityTaskManagerService.finishActivity |
| // We should consolidate. |
| IActivityController controller = mAtmService.mController; |
| if (controller != null) { |
| ActivityRecord next = topRunningActivity(srec.appToken, INVALID_TASK_ID); |
| if (next != null) { |
| // ask watcher if this is allowed |
| boolean resumeOK = true; |
| try { |
| resumeOK = controller.activityResuming(next.packageName); |
| } catch (RemoteException e) { |
| mAtmService.mController = null; |
| Watchdog.getInstance().setActivityController(null); |
| } |
| |
| if (!resumeOK) { |
| return false; |
| } |
| } |
| } |
| final long origId = Binder.clearCallingIdentity(); |
| |
| final int[] resultCodeHolder = new int[1]; |
| resultCodeHolder[0] = resultCode; |
| final Intent[] resultDataHolder = new Intent[1]; |
| resultDataHolder[0] = resultData; |
| final NeededUriGrants[] resultGrantsHolder = new NeededUriGrants[1]; |
| resultGrantsHolder[0] = resultGrants; |
| final ActivityRecord finalParent = parent; |
| task.forAllActivities((ar) -> { |
| if (ar == finalParent) return true; |
| |
| ar.finishIfPossible(resultCodeHolder[0], resultDataHolder[0], resultGrantsHolder[0], |
| "navigate-up", true /* oomAdj */); |
| // Only return the supplied result for the first activity finished |
| resultCodeHolder[0] = Activity.RESULT_CANCELED; |
| resultDataHolder[0] = null; |
| return false; |
| }, srec, true, true); |
| resultCode = resultCodeHolder[0]; |
| resultData = resultDataHolder[0]; |
| |
| if (parent != null && foundParentInTask) { |
| final int callingUid = srec.info.applicationInfo.uid; |
| final int parentLaunchMode = parent.info.launchMode; |
| final int destIntentFlags = destIntent.getFlags(); |
| if (parentLaunchMode == ActivityInfo.LAUNCH_SINGLE_INSTANCE || |
| parentLaunchMode == ActivityInfo.LAUNCH_SINGLE_TASK || |
| parentLaunchMode == ActivityInfo.LAUNCH_SINGLE_TOP || |
| (destIntentFlags & Intent.FLAG_ACTIVITY_CLEAR_TOP) != 0) { |
| parent.deliverNewIntentLocked(callingUid, destIntent, destGrants, srec.packageName); |
| } else { |
| try { |
| ActivityInfo aInfo = AppGlobals.getPackageManager().getActivityInfo( |
| destIntent.getComponent(), ActivityManagerService.STOCK_PM_FLAGS, |
| srec.mUserId); |
| // TODO(b/64750076): Check if calling pid should really be -1. |
| final int res = mAtmService.getActivityStartController() |
| .obtainStarter(destIntent, "navigateUpTo") |
| .setCaller(srec.app.getThread()) |
| .setActivityInfo(aInfo) |
| .setResultTo(parent.appToken) |
| .setCallingPid(-1) |
| .setCallingUid(callingUid) |
| .setCallingPackage(srec.packageName) |
| .setCallingFeatureId(parent.launchedFromFeatureId) |
| .setRealCallingPid(-1) |
| .setRealCallingUid(callingUid) |
| .setComponentSpecified(true) |
| .execute(); |
| foundParentInTask = res == ActivityManager.START_SUCCESS; |
| } catch (RemoteException e) { |
| foundParentInTask = false; |
| } |
| parent.finishIfPossible(resultCode, resultData, resultGrants, |
| "navigate-top", true /* oomAdj */); |
| } |
| } |
| Binder.restoreCallingIdentity(origId); |
| return foundParentInTask; |
| } |
| |
| void removeLaunchTickMessages() { |
| forAllActivities(ActivityRecord::removeLaunchTickRunnable); |
| } |
| |
| private void updateTransitLocked(int transit, ActivityOptions options, boolean forceOverride) { |
| if (options != null) { |
| ActivityRecord r = topRunningActivity(); |
| if (r != null && !r.isState(RESUMED)) { |
| r.updateOptionsLocked(options); |
| } else { |
| ActivityOptions.abort(options); |
| } |
| } |
| getDisplay().mDisplayContent.prepareAppTransition(transit, false, |
| 0 /* flags */, forceOverride); |
| } |
| |
| final void moveTaskToFront(Task tr, boolean noAnimation, ActivityOptions options, |
| AppTimeTracker timeTracker, String reason) { |
| moveTaskToFront(tr, noAnimation, options, timeTracker, !DEFER_RESUME, reason); |
| } |
| |
| final void moveTaskToFront(Task tr, boolean noAnimation, ActivityOptions options, |
| AppTimeTracker timeTracker, boolean deferResume, String reason) { |
| if (DEBUG_SWITCH) Slog.v(TAG_SWITCH, "moveTaskToFront: " + tr); |
| |
| final ActivityStack topStack = getDisplayArea().getTopStack(); |
| final ActivityRecord topActivity = topStack != null |
| ? topStack.getTopNonFinishingActivity() : null; |
| |
| if (tr != this && !tr.isDescendantOf(this)) { |
| // nothing to do! |
| if (noAnimation) { |
| ActivityOptions.abort(options); |
| } else if (isSingleTaskInstance()) { |
| // When a task is moved front on the display which can only contain one task, start |
| // a special transition. |
| // {@link AppTransitionController#handleAppTransitionReady} later picks up the |
| // transition, and schedules |
| // {@link ITaskStackListener#onSingleTaskDisplayDrawn} callback which is triggered |
| // after contents are drawn on the display. |
| updateTransitLocked(TRANSIT_SHOW_SINGLE_TASK_DISPLAY, options, |
| true /* forceOverride */); |
| } else { |
| updateTransitLocked(TRANSIT_TASK_TO_FRONT, options, false /* forceOverride */); |
| } |
| return; |
| } |
| |
| if (timeTracker != null) { |
| // The caller wants a time tracker associated with this task. |
| final PooledConsumer c = PooledLambda.obtainConsumer(ActivityRecord::setAppTimeTracker, |
| PooledLambda.__(ActivityRecord.class), timeTracker); |
| tr.forAllActivities(c); |
| c.recycle(); |
| } |
| |
| try { |
| // Defer updating the IME target since the new IME target will try to get computed |
| // before updating all closing and opening apps, which can cause the ime target to |
| // get calculated incorrectly. |
| getDisplay().deferUpdateImeTarget(); |
| |
| // Shift all activities with this task up to the top |
| // of the stack, keeping them in the same internal order. |
| positionChildAtTop(tr); |
| |
| // Don't refocus if invisible to current user |
| final ActivityRecord top = tr.getTopNonFinishingActivity(); |
| if (top == null || !top.okToShowLocked()) { |
| if (top != null) { |
| mStackSupervisor.mRecentTasks.add(top.getTask()); |
| } |
| ActivityOptions.abort(options); |
| return; |
| } |
| |
| // Set focus to the top running activity of this stack. |
| final ActivityRecord r = topRunningActivity(); |
| if (r != null) { |
| r.moveFocusableActivityToTop(reason); |
| } |
| |
| if (DEBUG_TRANSITION) Slog.v(TAG_TRANSITION, "Prepare to front transition: task=" + tr); |
| if (noAnimation) { |
| getDisplay().mDisplayContent.prepareAppTransition(TRANSIT_NONE, false); |
| if (r != null) { |
| mStackSupervisor.mNoAnimActivities.add(r); |
| } |
| ActivityOptions.abort(options); |
| } else if (isSingleTaskInstance()) { |
| updateTransitLocked(TRANSIT_SHOW_SINGLE_TASK_DISPLAY, options, |
| true /* forceOverride */); |
| } else { |
| updateTransitLocked(TRANSIT_TASK_TO_FRONT, options, false /* forceOverride */); |
| } |
| |
| // If a new task is moved to the front, then mark the existing top activity as |
| // supporting |
| |
| // picture-in-picture while paused only if the task would not be considered an oerlay |
| // on top |
| // of the current activity (eg. not fullscreen, or the assistant) |
| if (canEnterPipOnTaskSwitch(topActivity, tr, null /* toFrontActivity */, |
| options)) { |
| topActivity.supportsEnterPipOnTaskSwitch = true; |
| } |
| |
| if (!deferResume) { |
| mRootWindowContainer.resumeFocusedStacksTopActivities(); |
| } |
| EventLogTags.writeWmTaskToFront(tr.mUserId, tr.mTaskId); |
| mAtmService.getTaskChangeNotificationController() |
| .notifyTaskMovedToFront(tr.getTaskInfo()); |
| } finally { |
| getDisplay().continueUpdateImeTarget(); |
| } |
| } |
| |
| /** |
| * Worker method for rearranging history stack. Implements the function of moving all |
| * activities for a specific task (gathering them if disjoint) into a single group at the |
| * bottom of the stack. |
| * |
| * If a watcher is installed, the action is preflighted and the watcher has an opportunity |
| * to premeptively cancel the move. |
| * |
| * @param tr The task to collect and move to the bottom. |
| * @return Returns true if the move completed, false if not. |
| */ |
| boolean moveTaskToBack(Task tr) { |
| Slog.i(TAG, "moveTaskToBack: " + tr); |
| |
| // In LockTask mode, moving a locked task to the back of the stack may expose unlocked |
| // ones. Therefore we need to check if this operation is allowed. |
| if (!mAtmService.getLockTaskController().canMoveTaskToBack(tr)) { |
| return false; |
| } |
| |
| // If we have a watcher, preflight the move before committing to it. First check |
| // for *other* available tasks, but if none are available, then try again allowing the |
| // current task to be selected. |
| if (isTopStackInDisplayArea() && mAtmService.mController != null) { |
| ActivityRecord next = topRunningActivity(null, tr.mTaskId); |
| if (next == null) { |
| next = topRunningActivity(null, INVALID_TASK_ID); |
| } |
| if (next != null) { |
| // ask watcher if this is allowed |
| boolean moveOK = true; |
| try { |
| moveOK = mAtmService.mController.activityResuming(next.packageName); |
| } catch (RemoteException e) { |
| mAtmService.mController = null; |
| Watchdog.getInstance().setActivityController(null); |
| } |
| if (!moveOK) { |
| return false; |
| } |
| } |
| } |
| |
| if (DEBUG_TRANSITION) Slog.v(TAG_TRANSITION, "Prepare to back transition: task=" |
| + tr.mTaskId); |
| |
| getDisplay().mDisplayContent.prepareAppTransition(TRANSIT_TASK_TO_BACK, false); |
| moveToBack("moveTaskToBackLocked", tr); |
| |
| if (inPinnedWindowingMode()) { |
| mStackSupervisor.removeStack(this); |
| return true; |
| } |
| |
| ActivityRecord topActivity = getDisplayArea().topRunningActivity(); |
| ActivityStack topStack = topActivity.getRootTask(); |
| if (topStack != null && topStack != this && topActivity.isState(RESUMED)) { |
| // The new top activity is already resumed, so there's a good chance that nothing will |
| // get resumed below. So, update visibility now in case the transition is closed |
| // prematurely. |
| mRootWindowContainer.ensureVisibilityAndConfig(null /* starting */, |
| getDisplay().mDisplayId, false /* markFrozenIfConfigChanged */, |
| false /* deferResume */); |
| // Usually resuming a top activity triggers the next app transition, but nothing's got |
| // resumed in this case, so we need to execute it explicitly. |
| getDisplay().mDisplayContent.executeAppTransition(); |
| } else { |
| mRootWindowContainer.resumeFocusedStacksTopActivities(); |
| } |
| return true; |
| } |
| |
| /** |
| * Ensures all visible activities at or below the input activity have the right configuration. |
| */ |
| void ensureVisibleActivitiesConfiguration(ActivityRecord start, boolean preserveWindow) { |
| mEnsureVisibleActivitiesConfigHelper.process(start, preserveWindow); |
| } |
| |
| // TODO: Can only be called from special methods in ActivityStackSupervisor. |
| // Need to consolidate those calls points into this resize method so anyone can call directly. |
| void resize(Rect displayedBounds, boolean preserveWindows, boolean deferResume) { |
| Trace.traceBegin(TRACE_TAG_WINDOW_MANAGER, "stack.resize_" + getRootTaskId()); |
| mAtmService.deferWindowLayout(); |
| try { |
| // TODO: Why not just set this on the stack directly vs. on each tasks? |
| // Update override configurations of all tasks in the stack. |
| final PooledConsumer c = PooledLambda.obtainConsumer( |
| ActivityStack::processTaskResizeBounds, PooledLambda.__(Task.class), |
| displayedBounds); |
| forAllTasks(c, true /* traverseTopToBottom */); |
| c.recycle(); |
| |
| if (mBoundsAnimating) { |
| // Force to update task surface bounds and relayout windows, since configBounds |
| // remains unchanged during bounds animation. |
| updateSurfaceBounds(); |
| getDisplay().setLayoutNeeded(); |
| mWmService.requestTraversal(); |
| } |
| |
| if (!deferResume) { |
| ensureVisibleActivitiesConfiguration(topRunningActivity(), preserveWindows); |
| } |
| } finally { |
| mAtmService.continueWindowLayout(); |
| Trace.traceEnd(TRACE_TAG_WINDOW_MANAGER); |
| } |
| } |
| |
| private static void processTaskResizeBounds(Task task, Rect displayedBounds) { |
| if (!task.isResizeable()) return; |
| |
| task.setBounds(displayedBounds); |
| } |
| |
| /** |
| * Until we can break this "set task bounds to same as stack bounds" behavior, this |
| * basically resizes both stack and task bounds to the same bounds. |
| */ |
| private void setTaskBounds(Rect bounds) { |
| final PooledConsumer c = PooledLambda.obtainConsumer(ActivityStack::setTaskBounds, |
| PooledLambda.__(Task.class), bounds); |
| forAllLeafTasks(c, true /* traverseTopToBottom */); |
| c.recycle(); |
| } |
| |
| private static void setTaskBounds(Task task, Rect bounds) { |
| task.setBounds(task.isResizeable() ? bounds : null); |
| } |
| |
| /** |
| * Returns the top-most activity that occludes the given one, or @{code null} if none. |
| */ |
| @Nullable |
| private ActivityRecord getOccludingActivityAbove(ActivityRecord activity) { |
| ActivityRecord top = getActivity((ar) -> ar.occludesParent(), |
| true /* traverseTopToBottom */, activity); |
| return top != activity ? top : null; |
| } |
| |
| boolean willActivityBeVisible(IBinder token) { |
| final ActivityRecord r = ActivityRecord.forTokenLocked(token); |
| if (r == null) { |
| return false; |
| } |
| |
| // See if there is an occluding activity on-top of this one. |
| final ActivityRecord occludingActivity = getOccludingActivityAbove(r); |
| if (occludingActivity != null) return false; |
| |
| if (r.finishing) Slog.e(TAG, "willActivityBeVisible: Returning false," |
| + " would have returned true for r=" + r); |
| return !r.finishing; |
| } |
| |
| void unhandledBackLocked() { |
| final ActivityRecord topActivity = getTopMostActivity(); |
| if (DEBUG_SWITCH) Slog.d(TAG_SWITCH, |
| "Performing unhandledBack(): top activity: " + topActivity); |
| if (topActivity != null) { |
| topActivity.finishIfPossible("unhandled-back", true /* oomAdj */); |
| } |
| } |
| |
| /** |
| * Reset local parameters because an app's activity died. |
| * @param app The app of the activity that died. |
| * @return result from removeHistoryRecordsForAppLocked. |
| */ |
| boolean handleAppDied(WindowProcessController app) { |
| if (mPausingActivity != null && mPausingActivity.app == app) { |
| if (DEBUG_PAUSE || DEBUG_CLEANUP) Slog.v(TAG_PAUSE, |
| "App died while pausing: " + mPausingActivity); |
| mPausingActivity = null; |
| } |
| if (mLastPausedActivity != null && mLastPausedActivity.app == app) { |
| mLastPausedActivity = null; |
| mLastNoHistoryActivity = null; |
| } |
| |
| mStackSupervisor.removeHistoryRecords(app); |
| return mRemoveHistoryRecordsForApp.process(app); |
| } |
| |
| boolean dump(FileDescriptor fd, PrintWriter pw, boolean dumpAll, boolean dumpClient, |
| String dumpPackage, final boolean needSep) { |
| Runnable headerPrinter = () -> { |
| if (needSep) { |
| pw.println(); |
| } |
| pw.println(" Stack #" + getRootTaskId() |
| + ": type=" + activityTypeToString(getActivityType()) |
| + " mode=" + windowingModeToString(getWindowingMode())); |
| pw.println(" isSleeping=" + shouldSleepActivities()); |
| pw.println(" mBounds=" + getRequestedOverrideBounds()); |
| }; |
| |
| boolean printed = false; |
| |
| if (dumpPackage == null) { |
| // If we are not filtering by package, we want to print absolutely everything, |
| // so always print the header even if there are no tasks/activities inside. |
| headerPrinter.run(); |
| headerPrinter = null; |
| printed = true; |
| } |
| |
| printed |= printThisActivity(pw, mPausingActivity, dumpPackage, false, |
| " mPausingActivity: ", null); |
| printed |= printThisActivity(pw, getResumedActivity(), dumpPackage, false, |
| " mResumedActivity: ", null); |
| if (dumpAll) { |
| printed |= printThisActivity(pw, mLastPausedActivity, dumpPackage, false, |
| " mLastPausedActivity: ", null); |
| printed |= printThisActivity(pw, mLastNoHistoryActivity, dumpPackage, |
| false, " mLastNoHistoryActivity: ", null); |
| } |
| |
| printed |= dumpActivities(fd, pw, dumpAll, dumpClient, dumpPackage, false, headerPrinter); |
| |
| return printed; |
| } |
| |
| private boolean dumpActivities(FileDescriptor fd, PrintWriter pw, boolean dumpAll, |
| boolean dumpClient, String dumpPackage, boolean needSep, Runnable header) { |
| if (!hasChild()) { |
| return false; |
| } |
| final AtomicBoolean printedHeader = new AtomicBoolean(false); |
| final AtomicBoolean printed = new AtomicBoolean(false); |
| forAllLeafTasks((task) -> { |
| final String prefix = " "; |
| Runnable headerPrinter = () -> { |
| printed.set(true); |
| if (!printedHeader.get()) { |
| if (needSep) { |
| pw.println(""); |
| } |
| if (header != null) { |
| header.run(); |
| } |
| printedHeader.set(true); |
| } |
| pw.print(prefix); pw.print("* "); pw.println(task); |
| pw.print(prefix); pw.print(" mBounds="); |
| pw.println(task.getRequestedOverrideBounds()); |
| pw.print(prefix); pw.print(" mMinWidth="); pw.print(task.mMinWidth); |
| pw.print(" mMinHeight="); pw.println(task.mMinHeight); |
| if (mLastNonFullscreenBounds != null) { |
| pw.print(prefix); |
| pw.print(" mLastNonFullscreenBounds="); |
| pw.println(task.mLastNonFullscreenBounds); |
| } |
| task.dump(pw, prefix + " "); |
| }; |
| if (dumpPackage == null) { |
| // If we are not filtering by package, we want to print absolutely everything, |
| // so always print the header even if there are no activities inside. |
| headerPrinter.run(); |
| headerPrinter = null; |
| } |
| final ArrayList<ActivityRecord> activities = new ArrayList<>(); |
| // Add activities by traversing the hierarchy from bottom to top, since activities |
| // are dumped in reverse order in {@link ActivityStackSupervisor#dumpHistoryList()}. |
| task.forAllActivities((Consumer<ActivityRecord>) activities::add, |
| false /* traverseTopToBottom */); |
| dumpHistoryList(fd, pw, activities, prefix, "Hist", true, !dumpAll, dumpClient, |
| dumpPackage, false, headerPrinter, task); |
| }, true /* traverseTopToBottom */); |
| return printed.get(); |
| } |
| |
| ArrayList<ActivityRecord> getDumpActivitiesLocked(String name) { |
| ArrayList<ActivityRecord> activities = new ArrayList<>(); |
| |
| if ("all".equals(name)) { |
| forAllActivities((Consumer<ActivityRecord>) activities::add); |
| } else if ("top".equals(name)) { |
| final ActivityRecord topActivity = getTopMostActivity(); |
| if (topActivity != null) { |
| activities.add(topActivity); |
| } |
| } else { |
| ItemMatcher matcher = new ItemMatcher(); |
| matcher.build(name); |
| |
| forAllActivities((r) -> { |
| if (matcher.match(r, r.intent.getComponent())) { |
| activities.add(r); |
| } |
| }); |
| } |
| |
| return activities; |
| } |
| |
| ActivityRecord restartPackage(String packageName) { |
| ActivityRecord starting = topRunningActivity(); |
| |
| // All activities that came from the package must be |
| // restarted as if there was a config change. |
| PooledConsumer c = PooledLambda.obtainConsumer(ActivityStack::restartPackage, |
| PooledLambda.__(ActivityRecord.class), starting, packageName); |
| forAllActivities(c); |
| c.recycle(); |
| |
| return starting; |
| } |
| |
| private static void restartPackage( |
| ActivityRecord r, ActivityRecord starting, String packageName) { |
| if (r.info.packageName.equals(packageName)) { |
| r.forceNewConfig = true; |
| if (starting != null && r == starting && r.mVisibleRequested) { |
| r.startFreezingScreenLocked(CONFIG_SCREEN_LAYOUT); |
| } |
| } |
| } |
| |
| Task reuseOrCreateTask(ActivityInfo info, Intent intent, boolean toTop) { |
| return reuseOrCreateTask(info, intent, null /*voiceSession*/, null /*voiceInteractor*/, |
| toTop, null /*activity*/, null /*source*/, null /*options*/); |
| } |
| // TODO: Can be removed once we change callpoints creating stacks to be creating tasks. |
| /** Either returns this current task to be re-used or creates a new child task. */ |
| Task reuseOrCreateTask(ActivityInfo info, Intent intent, IVoiceInteractionSession voiceSession, |
| IVoiceInteractor voiceInteractor, boolean toTop, ActivityRecord activity, |
| ActivityRecord source, ActivityOptions options) { |
| |
| Task task; |
| if (DisplayContent.alwaysCreateStack(getWindowingMode(), getActivityType())) { |
| // This stack will only contain one task, so just return itself since all stacks ara now |
| // tasks and all tasks are now stacks. |
| task = reuseAsLeafTask(voiceSession, voiceInteractor, intent, info, activity); |
| } else { |
| // Create child task since this stack can contain multiple tasks. |
| final int taskId = activity != null |
| ? mStackSupervisor.getNextTaskIdForUser(activity.mUserId) |
| : mStackSupervisor.getNextTaskIdForUser(); |
| task = new ActivityStack(mAtmService, taskId, info, intent, voiceSession, |
| voiceInteractor, null /* taskDescription */, this); |
| |
| // add the task to stack first, mTaskPositioner might need the stack association |
| addChild(task, toTop, (info.flags & FLAG_SHOW_FOR_ALL_USERS) != 0); |
| } |
| |
| int displayId = getDisplayId(); |
| if (displayId == INVALID_DISPLAY) displayId = DEFAULT_DISPLAY; |
| final boolean isLockscreenShown = mAtmService.mStackSupervisor.getKeyguardController() |
| .isKeyguardOrAodShowing(displayId); |
| if (!mStackSupervisor.getLaunchParamsController() |
| .layoutTask(task, info.windowLayout, activity, source, options) |
| && !matchParentBounds() && task.isResizeable() && !isLockscreenShown) { |
| task.setBounds(getRequestedOverrideBounds()); |
| } |
| |
| return task; |
| } |
| |
| void addChild(WindowContainer child, final boolean toTop, boolean showForAllUsers) { |
| if (isSingleTaskInstance() && hasChild()) { |
| throw new IllegalStateException("Can only have one child on stack=" + this); |
| } |
| |
| Task task = child.asTask(); |
| try { |
| |
| if (task != null) { |
| task.setForceShowForAllUsers(showForAllUsers); |
| } |
| // We only want to move the parents to the parents if we are creating this task at the |
| // top of its stack. |
| addChild(child, toTop ? MAX_VALUE : 0, toTop /*moveParents*/); |
| } finally { |
| if (task != null) { |
| task.setForceShowForAllUsers(false); |
| } |
| } |
| } |
| |
| void positionChildAt(Task task, int position) { |
| if (task.getStack() != this) { |
| throw new IllegalArgumentException("AS.positionChildAt: task=" + task |
| + " is not a child of stack=" + this + " current parent=" + task.getStack()); |
| } |
| |
| task.updateOverrideConfigurationForStack(this); |
| |
| final ActivityRecord topRunningActivity = task.topRunningActivityLocked(); |
| final boolean wasResumed = topRunningActivity == task.getStack().mResumedActivity; |
| |
| boolean toTop = position >= getChildCount(); |
| boolean includingParents = toTop || getDisplayArea().getNextFocusableStack(this, |
| true /* ignoreCurrent */) == null; |
| if (WindowManagerDebugConfig.DEBUG_STACK) { |
| Slog.i(TAG_WM, "positionChildAt: positioning task=" + task + " at " + position); |
| } |
| positionChildAt(position, task, includingParents); |
| task.updateTaskMovement(toTop); |
| getDisplayContent().layoutAndAssignWindowLayersIfNeeded(); |
| |
| |
| // TODO: Investigate if this random code is really needed. |
| if (task.voiceSession != null) { |
| try { |
| task.voiceSession.taskStarted(task.intent, task.mTaskId); |
| } catch (RemoteException e) { |
| } |
| } |
| |
| if (wasResumed) { |
| if (mResumedActivity != null) { |
| Log.wtf(TAG, "mResumedActivity was already set when moving mResumedActivity from" |
| + " other stack to this stack mResumedActivity=" + mResumedActivity |
| + " other mResumedActivity=" + topRunningActivity); |
| } |
| topRunningActivity.setState(RESUMED, "positionChildAt"); |
| } |
| |
| // The task might have already been running and its visibility needs to be synchronized with |
| // the visibility of the stack / windows. |
| ensureActivitiesVisible(null, 0, !PRESERVE_WINDOWS); |
| mRootWindowContainer.resumeFocusedStacksTopActivities(); |
| } |
| |
| public void setAlwaysOnTop(boolean alwaysOnTop) { |
| if (isAlwaysOnTop() == alwaysOnTop) { |
| return; |
| } |
| super.setAlwaysOnTop(alwaysOnTop); |
| final TaskDisplayArea taskDisplayArea = getDisplayArea(); |
| // positionChildAtTop() must be called even when always on top gets turned off because we |
| // need to make sure that the stack is moved from among always on top windows to below other |
| // always on top windows. Since the position the stack should be inserted into is calculated |
| // properly in {@link DisplayContent#getTopInsertPosition()} in both cases, we can just |
| // request that the stack is put at top here. |
| taskDisplayArea.positionStackAtTop(this, false /* includingParents */); |
| } |
| |
| /** NOTE: Should only be called from {@link Task#reparent}. */ |
| void moveToFrontAndResumeStateIfNeeded(ActivityRecord r, boolean moveToFront, boolean setResume, |
| boolean setPause, String reason) { |
| if (!moveToFront) { |
| return; |
| } |
| |
| final ActivityState origState = r.getState(); |
| // If the activity owns the last resumed activity, transfer that together, |
| // so that we don't resume the same activity again in the new stack. |
| // Apps may depend on onResume()/onPause() being called in pairs. |
| if (setResume) { |
| r.setState(RESUMED, "moveToFrontAndResumeStateIfNeeded"); |
| } |
| // If the activity was previously pausing, then ensure we transfer that as well |
| if (setPause) { |
| mPausingActivity = r; |
| r.schedulePauseTimeout(); |
| } |
| // Move the stack in which we are placing the activity to the front. |
| moveToFront(reason); |
| // If the original state is resumed, there is no state change to update focused app. |
| // So here makes sure the activity focus is set if it is the top. |
| if (origState == RESUMED && r == mRootWindowContainer.getTopResumedActivity()) { |
| mAtmService.setResumedActivityUncheckLocked(r, reason); |
| } |
| } |
| |
| void dismissPip() { |
| if (!isActivityTypeStandardOrUndefined()) { |
| throw new IllegalArgumentException( |
| "You can't move tasks from non-standard stacks."); |
| } |
| if (getWindowingMode() != WINDOWING_MODE_PINNED) { |
| throw new IllegalArgumentException( |
| "Can't exit pinned mode if it's not pinned already."); |
| } |
| |
| mWmService.inSurfaceTransaction(() -> { |
| final Task task = getBottomMostTask(); |
| setWindowingMode(WINDOWING_MODE_UNDEFINED); |
| |
| getDisplayArea().positionStackAtTop(this, false /* includingParents */); |
| |
| mStackSupervisor.scheduleUpdatePictureInPictureModeIfNeeded(task, this); |
| MetricsLoggerWrapper.logPictureInPictureFullScreen(mAtmService.mContext, |
| task.effectiveUid, task.realActivity.flattenToString()); |
| }); |
| } |
| |
| void prepareFreezingTaskBounds() { |
| forAllLeafTasks(Task::prepareFreezingBounds, true /* traverseTopToBottom */); |
| } |
| |
| @Override |
| public int setBounds(Rect bounds) { |
| // Calling Task#setBounds() for leaf task since this is the a specialization of |
| // {@link #setBounds(int)} for ActivityStack. |
| if (!isRootTask()) { |
| return super.setBounds(bounds); |
| } else { |
| return setBounds(getRequestedOverrideBounds(), bounds); |
| } |
| } |
| |
| private int setBounds(Rect existing, Rect bounds) { |
| if (equivalentBounds(existing, bounds)) { |
| return BOUNDS_CHANGE_NONE; |
| } |
| |
| final int result = super.setBounds(!inMultiWindowMode() ? null : bounds); |
| |
| updateSurfaceBounds(); |
| return result; |
| } |
| |
| /** Bounds of the stack without adjusting for other factors in the system like visibility |
| * of docked stack. |
| * Most callers should be using {@link ConfigurationContainer#getRequestedOverrideBounds} a |
| * it takes into consideration other system factors. */ |
| void getRawBounds(Rect out) { |
| out.set(getRawBounds()); |
| } |
| |
| private Rect getRawBounds() { |
| return super.getBounds(); |
| } |
| |
| @Override |
| public void getBounds(Rect bounds) { |
| bounds.set(getBounds()); |
| } |
| |
| /** |
| * @return the final bounds for the bounds animation. |
| */ |
| void getFinalAnimationBounds(Rect outBounds) { |
| outBounds.set(mBoundsAnimationTarget); |
| } |
| |
| /** |
| * @return the final source bounds for the bounds animation. |
| */ |
| void getFinalAnimationSourceHintBounds(Rect outBounds) { |
| outBounds.set(mBoundsAnimationSourceHintBounds); |
| } |
| |
| /** Bounds of the stack with other system factors taken into consideration. */ |
| void getDimBounds(Rect out) { |
| getBounds(out); |
| } |
| |
| /** |
| * Put a Task in this stack. Used for adding only. |
| * When task is added to top of the stack, the entire branch of the hierarchy (including stack |
| * and display) will be brought to top. |
| * @param child The child to add. |
| * @param position Target position to add the task to. |
| */ |
| private void addChild(WindowContainer child, int position, boolean moveParents) { |
| // Add child task. |
| addChild(child, null); |
| |
| // Move child to a proper position, as some restriction for position might apply. |
| positionChildAt(position, child, moveParents /* includingParents */); |
| } |
| |
| void positionChildAtTop(Task child) { |
| if (child == null) { |
| // TODO: Fix the call-points that cause this to happen. |
| return; |
| } |
| |
| if (child == this) { |
| // TODO: Fix call-points |
| moveToFront("positionChildAtTop"); |
| return; |
| } |
| |
| positionChildAt(POSITION_TOP, child, true /* includingParents */); |
| child.updateTaskMovement(true); |
| |
| final DisplayContent displayContent = getDisplayContent(); |
| displayContent.layoutAndAssignWindowLayersIfNeeded(); |
| } |
| |
| void positionChildAtBottom(Task child) { |
| // If there are other focusable stacks on the display, the z-order of the display should not |
| // be changed just because a task was placed at the bottom. E.g. if it is moving the topmost |
| // task to bottom, the next focusable stack on the same display should be focused. |
| final ActivityStack nextFocusableStack = getDisplayArea().getNextFocusableStack( |
| child.getStack(), true /* ignoreCurrent */); |
| positionChildAtBottom(child, nextFocusableStack == null /* includingParents */); |
| child.updateTaskMovement(true); |
| } |
| |
| @VisibleForTesting |
| void positionChildAtBottom(Task child, boolean includingParents) { |
| if (child == null) { |
| // TODO: Fix the call-points that cause this to happen. |
| return; |
| } |
| |
| positionChildAt(POSITION_BOTTOM, child, includingParents); |
| getDisplayContent().layoutAndAssignWindowLayersIfNeeded(); |
| } |
| |
| @Override |
| void onChildPositionChanged(WindowContainer child) { |
| if (isOrganized()) { |
| mAtmService.mTaskOrganizerController.dispatchTaskInfoChanged(this, false /* force */); |
| } |
| |
| if (!mChildren.contains(child)) { |
| return; |
| } |
| |
| final boolean isTop = getTopChild() == child; |
| |
| final Task task = child.asTask(); |
| if (task != null) { |
| task.updateTaskMovement(isTop); |
| } |
| |
| if (isTop) { |
| final DisplayContent displayContent = getDisplayContent(); |
| displayContent.layoutAndAssignWindowLayersIfNeeded(); |
| } |
| } |
| |
| @Override |
| void onParentChanged(ConfigurationContainer newParent, ConfigurationContainer oldParent) { |
| final DisplayContent display = newParent != null |
| ? ((WindowContainer) newParent).getDisplayContent() : null; |
| final DisplayContent oldDisplay = oldParent != null |
| ? ((WindowContainer) oldParent).getDisplayContent() : null; |
| super.onParentChanged(newParent, oldParent); |
| |
| // Resume next focusable stack after reparenting to another display if we aren't removing |
| // the prevous display. |
| if (oldDisplay != null && oldDisplay.isRemoving()) { |
| postReparent(); |
| } |
| } |
| |
| void reparent(TaskDisplayArea newParent, boolean onTop) { |
| reparent(newParent, onTop ? POSITION_TOP : POSITION_BOTTOM); |
| } |
| |
| private void updateSurfaceBounds() { |
| updateSurfaceSize(getSyncTransaction()); |
| updateSurfacePosition(); |
| scheduleAnimation(); |
| } |
| |
| @Override |
| void getRelativePosition(Point outPos) { |
| super.getRelativePosition(outPos); |
| final int outset = getTaskOutset(); |
| outPos.x -= outset; |
| outPos.y -= outset; |
| } |
| |
| @Override |
| void onDisplayChanged(DisplayContent dc) { |
| super.onDisplayChanged(dc); |
| if (isRootTask()) { |
| updateSurfaceBounds(); |
| } |
| } |
| |
| boolean shouldIgnoreInput() { |
| if (inSplitScreenPrimaryWindowingMode() && !isFocusable()) { |
| return true; |
| } |
| if (mAtmService.mHasLeanbackFeature && inPinnedWindowingMode() |
| && !isFocusedStackOnDisplay()) { |
| // Preventing Picture-in-Picture stack from receiving input on TVs. |
| return true; |
| } |
| return false; |
| } |
| |
| @Override |
| void dump(PrintWriter pw, String prefix, boolean dumpAll) { |
| super.dump(pw, prefix, dumpAll); |
| if (!mExitingActivities.isEmpty()) { |
| pw.println(); |
| pw.println(prefix + "Exiting application tokens:"); |
| final String doublePrefix = prefix + " "; |
| for (int i = mExitingActivities.size() - 1; i >= 0; i--) { |
| WindowToken token = mExitingActivities.get(i); |
| pw.print(doublePrefix + "Exiting App #" + i); |
| pw.print(' '); pw.print(token); |
| pw.println(':'); |
| token.dump(pw, doublePrefix, dumpAll); |
| } |
| pw.println(); |
| } |
| mAnimatingActivityRegistry.dump(pw, "AnimatingApps:", prefix); |
| } |
| |
| /** |
| * Sets the current picture-in-picture aspect ratio. |
| */ |
| void setPictureInPictureAspectRatio(float aspectRatio) { |
| if (!mWmService.mAtmService.mSupportsPictureInPicture) { |
| return; |
| } |
| |
| final DisplayContent displayContent = getDisplayContent(); |
| if (displayContent == null) { |
| return; |
| } |
| |
| if (!inPinnedWindowingMode()) { |
| return; |
| } |
| |
| final PinnedStackController pinnedStackController = |
| getDisplayContent().getPinnedStackController(); |
| |
| if (Float.compare(aspectRatio, pinnedStackController.getAspectRatio()) == 0) { |
| return; |
| } |
| |
| // Notify the pinned stack controller about aspect ratio change. |
| // This would result a callback delivered from SystemUI to WM to start animation, |
| // if the bounds are ought to be altered due to aspect ratio change. |
| pinnedStackController.setAspectRatio( |
| pinnedStackController.isValidPictureInPictureAspectRatio(aspectRatio) |
| ? aspectRatio : -1f); |
| } |
| |
| /** |
| * Sets the current picture-in-picture actions. |
| */ |
| void setPictureInPictureActions(List<RemoteAction> actions) { |
| if (!mWmService.mAtmService.mSupportsPictureInPicture) { |
| return; |
| } |
| |
| if (!inPinnedWindowingMode()) { |
| return; |
| } |
| |
| getDisplayContent().getPinnedStackController().setActions(actions); |
| } |
| |
| public boolean isForceScaled() { |
| return mBoundsAnimating; |
| } |
| |
| /** Returns true if a removal action is still being deferred. */ |
| boolean handleCompleteDeferredRemoval() { |
| if (isAnimating(TRANSITION | CHILDREN)) { |
| return true; |
| } |
| |
| return super.handleCompleteDeferredRemoval(); |
| } |
| |
| public DisplayInfo getDisplayInfo() { |
| return mDisplayContent.getDisplayInfo(); |
| } |
| |
| AnimatingActivityRegistry getAnimatingActivityRegistry() { |
| return mAnimatingActivityRegistry; |
| } |
| |
| void executeAppTransition(ActivityOptions options) { |
| getDisplay().mDisplayContent.executeAppTransition(); |
| ActivityOptions.abort(options); |
| } |
| |
| boolean shouldSleepActivities() { |
| final DisplayContent display = getDisplay(); |
| |
| // Do not sleep activities in this stack if we're marked as focused and the keyguard |
| // is in the process of going away. |
| if (isFocusedStackOnDisplay() |
| && mStackSupervisor.getKeyguardController().isKeyguardGoingAway()) { |
| return false; |
| } |
| |
| return display != null ? display.isSleeping() : mAtmService.isSleepingLocked(); |
| } |
| |
| boolean shouldSleepOrShutDownActivities() { |
| return shouldSleepActivities() || mAtmService.mShuttingDown; |
| } |
| |
| @Override |
| public void dumpDebug(ProtoOutputStream proto, long fieldId, |
| @WindowTraceLogLevel int logLevel) { |
| if (logLevel == WindowTraceLogLevel.CRITICAL && !isVisible()) { |
| return; |
| } |
| |
| final long token = proto.start(fieldId); |
| super.dumpDebug(proto, WINDOW_CONTAINER, logLevel); |
| |
| proto.write(TaskProto.ID, mTaskId); |
| proto.write(DISPLAY_ID, getDisplayId()); |
| proto.write(ROOT_TASK_ID, getRootTaskId()); |
| |
| if (mResumedActivity != null) { |
| mResumedActivity.writeIdentifierToProto(proto, RESUMED_ACTIVITY); |
| } |
| if (realActivity != null) { |
| proto.write(REAL_ACTIVITY, realActivity.flattenToShortString()); |
| } |
| if (origActivity != null) { |
| proto.write(ORIG_ACTIVITY, origActivity.flattenToShortString()); |
| } |
| proto.write(ACTIVITY_TYPE, getActivityType()); |
| proto.write(RESIZE_MODE, mResizeMode); |
| proto.write(MIN_WIDTH, mMinWidth); |
| proto.write(MIN_HEIGHT, mMinHeight); |
| |
| proto.write(FILLS_PARENT, matchParentBounds()); |
| getRawBounds().dumpDebug(proto, BOUNDS); |
| |
| if (mLastNonFullscreenBounds != null) { |
| mLastNonFullscreenBounds.dumpDebug(proto, LAST_NON_FULLSCREEN_BOUNDS); |
| } |
| |
| proto.write(ANIMATING_BOUNDS, mBoundsAnimating); |
| |
| if (mSurfaceControl != null) { |
| proto.write(SURFACE_WIDTH, mSurfaceControl.getWidth()); |
| proto.write(SURFACE_HEIGHT, mSurfaceControl.getHeight()); |
| } |
| |
| proto.write(CREATED_BY_ORGANIZER, mCreatedByOrganizer); |
| |
| proto.end(token); |
| } |
| } |