| /* |
| * 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.ITaskStackListener.FORCED_RESIZEABLE_REASON_SPLIT_SCREEN; |
| import static android.app.WindowConfiguration.ACTIVITY_TYPE_ASSISTANT; |
| import static android.app.WindowConfiguration.ACTIVITY_TYPE_HOME; |
| import static android.app.WindowConfiguration.ACTIVITY_TYPE_RECENTS; |
| import static android.app.WindowConfiguration.ACTIVITY_TYPE_STANDARD; |
| import static android.app.WindowConfiguration.ACTIVITY_TYPE_UNDEFINED; |
| import static android.app.WindowConfiguration.WINDOWING_MODE_FREEFORM; |
| 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_SPLIT_SCREEN_SECONDARY; |
| 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.am.ActivityStackProto.BOUNDS; |
| import static com.android.server.am.ActivityStackProto.CONFIGURATION_CONTAINER; |
| import static com.android.server.am.ActivityStackProto.DISPLAY_ID; |
| import static com.android.server.am.ActivityStackProto.FULLSCREEN; |
| import static com.android.server.am.ActivityStackProto.ID; |
| import static com.android.server.am.ActivityStackProto.RESUMED_ACTIVITY; |
| import static com.android.server.am.ActivityStackProto.TASKS; |
| import static com.android.server.wm.ActivityDisplay.POSITION_BOTTOM; |
| import static com.android.server.wm.ActivityDisplay.POSITION_TOP; |
| import static com.android.server.wm.ActivityRecord.FINISH_RESULT_REMOVED; |
| 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.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_RELEASE; |
| import static com.android.server.wm.ActivityTaskManagerDebugConfig.DEBUG_RESULTS; |
| import static com.android.server.wm.ActivityTaskManagerDebugConfig.DEBUG_STACK; |
| 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_TASKS; |
| 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.DEBUG_VISIBILITY; |
| 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.RootActivityContainer.FindTaskResult; |
| import static com.android.server.wm.TaskRecord.REPARENT_LEAVE_STACK_IN_PLACE; |
| |
| import static java.lang.Integer.MAX_VALUE; |
| |
| import android.annotation.IntDef; |
| 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.WindowConfiguration.ActivityType; |
| import android.app.WindowConfiguration.WindowingMode; |
| 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.pm.ApplicationInfo; |
| import android.content.res.Configuration; |
| import android.graphics.Rect; |
| import android.net.Uri; |
| 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.ArraySet; |
| import android.util.EventLog; |
| import android.util.IntArray; |
| import android.util.Log; |
| import android.util.Slog; |
| import android.util.proto.ProtoOutputStream; |
| import android.view.Display; |
| |
| import com.android.internal.annotations.GuardedBy; |
| import com.android.internal.annotations.VisibleForTesting; |
| import com.android.internal.app.IVoiceInteractor; |
| 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.am.EventLogTags; |
| |
| import java.io.FileDescriptor; |
| import java.io.PrintWriter; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Objects; |
| import java.util.Set; |
| import java.util.function.Consumer; |
| |
| /** |
| * State and management of a single stack of activities. |
| */ |
| class ActivityStack extends ConfigurationContainer { |
| private static final String TAG = TAG_WITH_CLASS_NAME ? "ActivityStack" : TAG_ATM; |
| private static final String TAG_ADD_REMOVE = TAG + POSTFIX_ADD_REMOVE; |
| private static final String TAG_APP = TAG + POSTFIX_APP; |
| private 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; |
| private 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; |
| private static final String TAG_VISIBILITY = TAG + POSTFIX_VISIBILITY; |
| |
| // Ticks during which we check progress while waiting for an app to launch. |
| private static final int LAUNCH_TICK = 500; |
| |
| // How long we wait until giving up on the last activity to pause. This |
| // is short because it directly impacts the responsiveness of starting the |
| // next activity. |
| private static final int PAUSE_TIMEOUT = 500; |
| |
| // How long we wait for the activity to tell us it has stopped before |
| // giving up. This is a good amount of time because we really need this |
| // from the application in order to get its saved state. Once the stop |
| // is complete we may start destroying client resources triggering |
| // crashes if the UI thread was hung. We put this timeout one second behind |
| // the ANR timeout so these situations will generate ANR instead of |
| // Surface lost or other errors. |
| private static final int STOP_TIMEOUT = 11 * 1000; |
| |
| // How long we wait until giving up on an activity telling us it has |
| // finished destroying itself. |
| private static final int DESTROY_TIMEOUT = 10 * 1000; |
| |
| // 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; |
| |
| @Override |
| protected int getChildCount() { |
| return mTaskHistory.size(); |
| } |
| |
| @Override |
| protected TaskRecord getChildAt(int index) { |
| return mTaskHistory.get(index); |
| } |
| |
| @Override |
| protected ActivityDisplay getParent() { |
| return getDisplay(); |
| } |
| |
| void setParent(ActivityDisplay parent) { |
| ActivityDisplay current = getParent(); |
| if (current != parent) { |
| mDisplayId = parent.mDisplayId; |
| onParentChanged(parent, current); |
| } |
| } |
| |
| @Override |
| protected void onParentChanged( |
| ConfigurationContainer newParent, ConfigurationContainer oldParent) { |
| if (oldParent != null) { |
| mPrevDisplayId = ((ActivityDisplay) oldParent).mDisplayId; |
| } |
| |
| final ActivityDisplay display = getParent(); |
| if (display != null) { |
| // Rotations are relative to the display. This means if there are 2 displays rotated |
| // differently (eg. 2 monitors with one landscape and one portrait), moving a stack |
| // from one to the other could look like a rotation change. To prevent this |
| // apparent rotation change (and corresponding bounds rotation), pretend like our |
| // current rotation is already the same as the new display. |
| // Note, if ActivityStack or related logic ever gets nested, this logic will need |
| // to move to onConfigurationChanged. |
| getConfiguration().windowConfiguration.setRotation( |
| display.getWindowConfiguration().getRotation()); |
| } |
| super.onParentChanged(newParent, oldParent); |
| if (display != null && inSplitScreenPrimaryWindowingMode()) { |
| // If we created a docked stack we want to resize it so it resizes all other stacks |
| // in the system. |
| getStackDockedModeBounds(null /* dockedBounds */, null /* currentTempTaskBounds */, |
| mTmpRect /* outStackBounds */, mTmpRect2 /* outTempTaskBounds */); |
| mStackSupervisor.resizeDockedStackLocked(getRequestedOverrideBounds(), mTmpRect, |
| mTmpRect2, null, null, PRESERVE_WINDOWS); |
| } |
| mRootActivityContainer.updateUIDsPresentOnDisplay(); |
| } |
| |
| enum ActivityState { |
| INITIALIZING, |
| STARTED, |
| RESUMED, |
| PAUSING, |
| PAUSED, |
| STOPPING, |
| STOPPED, |
| FINISHING, |
| DESTROYING, |
| DESTROYED, |
| RESTARTING_PROCESS |
| } |
| |
| final ActivityTaskManagerService mService; |
| final WindowManagerService mWindowManager; |
| |
| /** |
| * The back history of all previous (and possibly still |
| * running) activities. It contains #TaskRecord objects. |
| */ |
| private final ArrayList<TaskRecord> mTaskHistory = new ArrayList<>(); |
| |
| /** |
| * List of running activities, sorted by recent usage. |
| * The first entry in the list is the least recently used. |
| * It contains HistoryRecord objects. |
| */ |
| private final ArrayList<ActivityRecord> mLRUActivities = new ArrayList<>(); |
| |
| /** |
| * When we are in the process of pausing an activity, before starting the |
| * next one, this variable holds the activity that is currently being paused. |
| */ |
| ActivityRecord mPausingActivity = null; |
| |
| /** |
| * This is the last activity that we put into the paused state. This is |
| * used to determine if we need to do an activity transition while sleeping, |
| * when we normally hold the top activity paused. |
| */ |
| ActivityRecord mLastPausedActivity = null; |
| |
| /** |
| * Activities that specify No History must be removed once the user navigates away from them. |
| * If the device goes to sleep with such an activity in the paused state then we save it here |
| * and finish it later if another activity replaces it on wakeup. |
| */ |
| ActivityRecord mLastNoHistoryActivity = null; |
| |
| /** |
| * Current activity that is resumed, or null if there is none. |
| */ |
| ActivityRecord mResumedActivity = null; |
| |
| // 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; |
| |
| /** |
| * When set, will force the stack to report as invisible. |
| */ |
| boolean mForceHidden = false; |
| |
| /** |
| * Used to keep resumeTopActivityUncheckedLocked() from being entered recursively |
| */ |
| boolean mInResumeTopActivity = false; |
| |
| private boolean mUpdateBoundsDeferred; |
| private boolean mUpdateBoundsDeferredCalled; |
| private boolean mUpdateDisplayedBoundsDeferredCalled; |
| private final Rect mDeferredBounds = new Rect(); |
| private final Rect mDeferredDisplayedBounds = new Rect(); |
| |
| int mCurrentUser; |
| |
| final int mStackId; |
| /** The attached Display's unique identifier, or -1 if detached */ |
| int mDisplayId; |
| // Id of the previous display the stack was on. |
| int mPrevDisplayId = INVALID_DISPLAY; |
| |
| /** Stores the override windowing-mode from before a transient mode change (eg. split) */ |
| private int mRestoreOverrideWindowingMode = WINDOWING_MODE_UNDEFINED; |
| |
| private final Rect mTmpRect = new Rect(); |
| private final Rect mTmpRect2 = new Rect(); |
| private final ActivityOptions mTmpOptions = ActivityOptions.makeBasic(); |
| |
| /** List for processing through a set of activities */ |
| private final ArrayList<ActivityRecord> mTmpActivities = new ArrayList<>(); |
| |
| /** Run all ActivityStacks through this */ |
| protected final ActivityStackSupervisor mStackSupervisor; |
| protected final RootActivityContainer mRootActivityContainer; |
| |
| private boolean mTopActivityOccludesKeyguard; |
| private ActivityRecord mTopDismissingKeyguardActivity; |
| |
| private static final int PAUSE_TIMEOUT_MSG = FIRST_ACTIVITY_STACK_MSG + 1; |
| private static final int DESTROY_TIMEOUT_MSG = FIRST_ACTIVITY_STACK_MSG + 2; |
| private static final int LAUNCH_TICK_MSG = FIRST_ACTIVITY_STACK_MSG + 3; |
| private static final int STOP_TIMEOUT_MSG = FIRST_ACTIVITY_STACK_MSG + 4; |
| private static final int DESTROY_ACTIVITIES_MSG = FIRST_ACTIVITY_STACK_MSG + 5; |
| private static final int TRANSLUCENT_TIMEOUT_MSG = FIRST_ACTIVITY_STACK_MSG + 6; |
| |
| // TODO: remove after unification. |
| TaskStack mTaskStack; |
| |
| private static class ScheduleDestroyArgs { |
| final WindowProcessController mOwner; |
| final String mReason; |
| ScheduleDestroyArgs(WindowProcessController owner, String reason) { |
| mOwner = owner; |
| mReason = reason; |
| } |
| } |
| |
| private final Handler mHandler; |
| |
| private class ActivityStackHandler extends Handler { |
| |
| ActivityStackHandler(Looper looper) { |
| super(looper); |
| } |
| |
| @Override |
| public void handleMessage(Message msg) { |
| switch (msg.what) { |
| case PAUSE_TIMEOUT_MSG: { |
| ActivityRecord r = (ActivityRecord)msg.obj; |
| // We don't at this point know if the activity is fullscreen, |
| // so we need to be conservative and assume it isn't. |
| Slog.w(TAG, "Activity pause timeout for " + r); |
| synchronized (mService.mGlobalLock) { |
| if (r.hasProcess()) { |
| mService.logAppTooSlow(r.app, r.pauseTime, "pausing " + r); |
| } |
| activityPausedLocked(r.appToken, true); |
| } |
| } break; |
| case LAUNCH_TICK_MSG: { |
| ActivityRecord r = (ActivityRecord)msg.obj; |
| synchronized (mService.mGlobalLock) { |
| if (r.continueLaunchTickingLocked()) { |
| mService.logAppTooSlow(r.app, r.launchTickTime, "launching " + r); |
| } |
| } |
| } break; |
| case DESTROY_TIMEOUT_MSG: { |
| ActivityRecord r = (ActivityRecord)msg.obj; |
| // We don't at this point know if the activity is fullscreen, |
| // so we need to be conservative and assume it isn't. |
| Slog.w(TAG, "Activity destroy timeout for " + r); |
| synchronized (mService.mGlobalLock) { |
| if (r != null) { |
| r.destroyed("destroyTimeout"); |
| } |
| } |
| } break; |
| case STOP_TIMEOUT_MSG: { |
| ActivityRecord r = (ActivityRecord)msg.obj; |
| // We don't at this point know if the activity is fullscreen, |
| // so we need to be conservative and assume it isn't. |
| Slog.w(TAG, "Activity stop timeout for " + r); |
| synchronized (mService.mGlobalLock) { |
| if (r.isInHistory()) { |
| r.activityStoppedLocked(null /* icicle */, |
| null /* persistentState */, null /* description */); |
| } |
| } |
| } break; |
| case DESTROY_ACTIVITIES_MSG: { |
| ScheduleDestroyArgs args = (ScheduleDestroyArgs)msg.obj; |
| synchronized (mService.mGlobalLock) { |
| destroyActivitiesLocked(args.mOwner, args.mReason); |
| } |
| } break; |
| case TRANSLUCENT_TIMEOUT_MSG: { |
| synchronized (mService.mGlobalLock) { |
| notifyActivityDrawnLocked(null); |
| } |
| } break; |
| } |
| } |
| } |
| |
| int numActivities() { |
| int count = 0; |
| for (int taskNdx = getChildCount() - 1; taskNdx >= 0; --taskNdx) { |
| count += getChildAt(taskNdx).getChildCount(); |
| } |
| return count; |
| } |
| |
| ActivityStack(ActivityDisplay display, int stackId, ActivityStackSupervisor supervisor, |
| int windowingMode, int activityType, boolean onTop) { |
| mStackSupervisor = supervisor; |
| mService = supervisor.mService; |
| mRootActivityContainer = mService.mRootActivityContainer; |
| mHandler = new ActivityStackHandler(supervisor.mLooper); |
| mWindowManager = mService.mWindowManager; |
| mStackId = stackId; |
| mCurrentUser = mService.mAmInternal.getCurrentUserId(); |
| // Set display id before setting activity and window type to make sure it won't affect |
| // stacks on a wrong display. |
| mDisplayId = display.mDisplayId; |
| setActivityType(activityType); |
| createTaskStack(display.mDisplayId, onTop, mTmpRect2); |
| setWindowingMode(windowingMode, false /* animate */, false /* showRecents */, |
| false /* enteringSplitScreenMode */, false /* deferEnsuringVisibility */, |
| true /* creating */); |
| display.addChild(this, onTop ? POSITION_TOP : POSITION_BOTTOM); |
| } |
| |
| void createTaskStack(int displayId, boolean onTop, Rect outBounds) { |
| final DisplayContent dc = mWindowManager.mRoot.getDisplayContent(displayId); |
| if (dc == null) { |
| throw new IllegalArgumentException("Trying to add stackId=" + mStackId |
| + " to unknown displayId=" + displayId); |
| } |
| mTaskStack = new TaskStack(mWindowManager, mStackId, this); |
| dc.setStackOnDisplay(mStackId, onTop, mTaskStack); |
| if (mTaskStack.matchParentBounds()) { |
| outBounds.setEmpty(); |
| } else { |
| mTaskStack.getRawBounds(outBounds); |
| } |
| } |
| |
| TaskStack getTaskStack() { |
| return mTaskStack; |
| } |
| |
| /** |
| * This should be called when an activity in a child task changes state. This should only |
| * be called from |
| * {@link TaskRecord#onActivityStateChanged(ActivityRecord, ActivityState, String)}. |
| * @param record The {@link ActivityRecord} whose state has changed. |
| * @param state The new state. |
| * @param reason The reason for the change. |
| */ |
| void onActivityStateChanged(ActivityRecord record, ActivityState state, String reason) { |
| if (record == mResumedActivity && state != RESUMED) { |
| setResumedActivity(null, reason + " - onActivityStateChanged"); |
| } |
| |
| if (state == RESUMED) { |
| if (DEBUG_STACK) Slog.v(TAG_STACK, "set resumed activity to:" + record + " reason:" |
| + reason); |
| setResumedActivity(record, reason + " - onActivityStateChanged"); |
| if (record == mRootActivityContainer.getTopResumedActivity()) { |
| mService.setResumedActivityUncheckLocked(record, reason); |
| } |
| mStackSupervisor.mRecentTasks.add(record.getTaskRecord()); |
| } |
| } |
| |
| @Override |
| public void onConfigurationChanged(Configuration newParentConfig) { |
| final int prevWindowingMode = getWindowingMode(); |
| final boolean prevIsAlwaysOnTop = isAlwaysOnTop(); |
| final int prevRotation = getWindowConfiguration().getRotation(); |
| final int prevDensity = getConfiguration().densityDpi; |
| final int prevScreenW = getConfiguration().screenWidthDp; |
| final int prevScreenH = getConfiguration().screenHeightDp; |
| 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 ActivityDisplay display = getDisplay(); |
| if (display == null || getTaskStack() == 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) { |
| // Pinned calculation already includes rotation |
| hasNewOverrideBounds = getTaskStack().calculatePinnedBoundsForConfigChange(newBounds); |
| } else if (!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; |
| } |
| |
| // Use override windowing mode to prevent extra bounds changes if inheriting the mode. |
| if (overrideWindowingMode == WINDOWING_MODE_SPLIT_SCREEN_PRIMARY |
| || overrideWindowingMode == WINDOWING_MODE_SPLIT_SCREEN_SECONDARY) { |
| // If entering split screen or if something about the available split area changes, |
| // recalculate the split windows to match the new configuration. |
| if (rotationChanged || windowingModeChanged |
| || prevDensity != getConfiguration().densityDpi |
| || prevScreenW != getConfiguration().screenWidthDp |
| || prevScreenH != getConfiguration().screenHeightDp) { |
| getTaskStack().calculateDockedBoundsForConfigChange(newParentConfig, newBounds); |
| hasNewOverrideBounds = true; |
| } |
| } |
| } |
| |
| if (windowingModeChanged) { |
| // Use override windowing mode to prevent extra bounds changes if inheriting the mode. |
| if (overrideWindowingMode == WINDOWING_MODE_SPLIT_SCREEN_PRIMARY) { |
| getStackDockedModeBounds(null /* dockedBounds */, null /* currentTempTaskBounds */, |
| newBounds /* outStackBounds */, mTmpRect2 /* outTempTaskBounds */); |
| // immediately resize so docked bounds are available in onSplitScreenModeActivated |
| setTaskDisplayedBounds(null); |
| setTaskBounds(newBounds); |
| setBounds(newBounds); |
| newBounds.set(newBounds); |
| } else if (overrideWindowingMode == WINDOWING_MODE_SPLIT_SCREEN_SECONDARY) { |
| Rect dockedBounds = display.getSplitScreenPrimaryStack().getBounds(); |
| final boolean isMinimizedDock = |
| display.mDisplayContent.getDockedDividerController().isMinimizedDock(); |
| if (isMinimizedDock) { |
| TaskRecord topTask = display.getSplitScreenPrimaryStack().topTask(); |
| if (topTask != null) { |
| dockedBounds = topTask.getBounds(); |
| } |
| } |
| getStackDockedModeBounds(dockedBounds, null /* currentTempTaskBounds */, |
| newBounds /* outStackBounds */, mTmpRect2 /* outTempTaskBounds */); |
| hasNewOverrideBounds = true; |
| } |
| display.onStackWindowingModeChanged(this); |
| } |
| if (hasNewOverrideBounds) { |
| if (inSplitScreenPrimaryWindowingMode()) { |
| mStackSupervisor.resizeDockedStackLocked(new Rect(newBounds), |
| null /* tempTaskBounds */, null /* tempTaskInsetBounds */, |
| null /* tempOtherTaskBounds */, null /* tempOtherTaskInsetBounds */, |
| PRESERVE_WINDOWS, true /* deferResume */); |
| } else { |
| resize(new Rect(newBounds), null /* tempTaskBounds */, |
| null /* tempTaskInsetBounds */, 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. |
| display.positionChildAtTop(this, false /* includingParents */); |
| } |
| } |
| |
| @Override |
| public void setWindowingMode(int windowingMode) { |
| setWindowingMode(windowingMode, false /* animate */, false /* showRecents */, |
| false /* enteringSplitScreenMode */, false /* deferEnsuringVisibility */, |
| false /* creating */); |
| } |
| |
| /** |
| * A transient windowing mode is one which activities enter into temporarily. Examples of this |
| * are Split window modes and pip. Non-transient modes are modes that displays can adopt. |
| * |
| * @param windowingMode the windowingMode to test for transient-ness. |
| * @return {@code true} if the windowing mode is transient, {@code false} otherwise. |
| */ |
| private static boolean isTransientWindowingMode(int windowingMode) { |
| // TODO(b/114842032): add PIP if/when it uses mode transitions instead of task reparenting |
| return windowingMode == WINDOWING_MODE_SPLIT_SCREEN_PRIMARY |
| || windowingMode == WINDOWING_MODE_SPLIT_SCREEN_SECONDARY; |
| } |
| |
| /** |
| * 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 animate Can be used to prevent animation. |
| * @param showRecents Controls whether recents is shown on the other side of a split while |
| * entering split mode. |
| * @param enteringSplitScreenMode {@code true} if entering split mode. |
| * @param deferEnsuringVisibility Whether visibility updates are deferred. This is set when |
| * many operations (which can effect visibility) are being performed in bulk. |
| * @param creating {@code true} if this is being run during ActivityStack construction. |
| */ |
| void setWindowingMode(int preferredWindowingMode, boolean animate, boolean showRecents, |
| boolean enteringSplitScreenMode, boolean deferEnsuringVisibility, boolean creating) { |
| mWindowManager.inSurfaceTransaction(() -> setWindowingModeInSurfaceTransaction( |
| preferredWindowingMode, animate, showRecents, enteringSplitScreenMode, |
| deferEnsuringVisibility, creating)); |
| } |
| |
| private void setWindowingModeInSurfaceTransaction(int preferredWindowingMode, boolean animate, |
| boolean showRecents, boolean enteringSplitScreenMode, boolean deferEnsuringVisibility, |
| boolean creating) { |
| final int currentMode = getWindowingMode(); |
| final int currentOverrideMode = getRequestedOverrideWindowingMode(); |
| final ActivityDisplay display = getDisplay(); |
| final TaskRecord topTask = topTask(); |
| final ActivityStack splitScreenStack = display.getSplitScreenPrimaryStack(); |
| int windowingMode = preferredWindowingMode; |
| if (preferredWindowingMode == WINDOWING_MODE_UNDEFINED |
| && isTransientWindowingMode(currentMode)) { |
| // Leaving a transient mode. Interpret UNDEFINED as "restore" |
| windowingMode = mRestoreOverrideWindowingMode; |
| } |
| mTmpOptions.setLaunchWindowingMode(windowingMode); |
| |
| // 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) { |
| windowingMode = display.validateWindowingMode(windowingMode, |
| null /* ActivityRecord */, topTask, getActivityType()); |
| } |
| if (splitScreenStack == this |
| && windowingMode == WINDOWING_MODE_SPLIT_SCREEN_SECONDARY) { |
| // Resolution to split-screen secondary for the primary split-screen stack means |
| // we want to leave split-screen mode. |
| windowingMode = mRestoreOverrideWindowingMode; |
| } |
| |
| final boolean alreadyInSplitScreenMode = display.hasSplitScreenPrimaryStack(); |
| |
| // Don't send non-resizeable notifications if the windowing mode changed was a side effect |
| // of us entering split-screen mode. |
| final boolean sendNonResizeableNotification = !enteringSplitScreenMode; |
| // Take any required action due to us not supporting the preferred windowing mode. |
| if (alreadyInSplitScreenMode && windowingMode == WINDOWING_MODE_FULLSCREEN |
| && sendNonResizeableNotification && isActivityTypeStandardOrUndefined()) { |
| final boolean preferredSplitScreen = |
| preferredWindowingMode == WINDOWING_MODE_SPLIT_SCREEN_PRIMARY |
| || preferredWindowingMode == WINDOWING_MODE_SPLIT_SCREEN_SECONDARY; |
| if (preferredSplitScreen || creating) { |
| // Looks like we can't launch in split screen mode or the stack we are launching |
| // doesn't support split-screen mode, go ahead an dismiss split-screen and display a |
| // warning toast about it. |
| mService.getTaskChangeNotificationController().notifyActivityDismissingDockedStack(); |
| final ActivityStack primarySplitStack = display.getSplitScreenPrimaryStack(); |
| primarySplitStack.setWindowingModeInSurfaceTransaction(WINDOWING_MODE_UNDEFINED, |
| false /* animate */, false /* showRecents */, |
| false /* enteringSplitScreenMode */, true /* deferEnsuringVisibility */, |
| primarySplitStack == this ? creating : false); |
| } |
| } |
| |
| 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 = getTopActivity(); |
| |
| // 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 (sendNonResizeableNotification && likelyResolvedMode != WINDOWING_MODE_FULLSCREEN |
| && topActivity != null && topActivity.isNonResizableOrForcedResizable() |
| && !topActivity.noDisplay) { |
| // 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; |
| mService.getTaskChangeNotificationController().notifyActivityForcedResizable( |
| topTask.mTaskId, FORCED_RESIZEABLE_REASON_SPLIT_SCREEN, packageName); |
| } |
| |
| mService.deferWindowLayout(); |
| try { |
| if (!animate && 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_PINNED || currentMode == WINDOWING_MODE_PINNED) { |
| // TODO: Need to remove use of PinnedActivityStack for this to be supported. |
| // NOTE: Need to ASS.scheduleUpdatePictureInPictureModeIfNeeded() in |
| // setWindowModeUnchecked() when this support is added. See TaskRecord.reparent() |
| throw new IllegalArgumentException( |
| "Changing pinned windowing mode not currently supported"); |
| } |
| |
| if (windowingMode == WINDOWING_MODE_SPLIT_SCREEN_PRIMARY && splitScreenStack != null) { |
| // 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; |
| } |
| if (isTransientWindowingMode(windowingMode) && !isTransientWindowingMode(currentMode)) { |
| mRestoreOverrideWindowingMode = currentOverrideMode; |
| } |
| |
| mTmpRect2.setEmpty(); |
| if (windowingMode != WINDOWING_MODE_FULLSCREEN) { |
| if (mTaskStack.matchParentBounds()) { |
| mTmpRect2.setEmpty(); |
| } else { |
| mTaskStack.getRawBounds(mTmpRect2); |
| } |
| } |
| |
| if (!Objects.equals(getRequestedOverrideBounds(), mTmpRect2)) { |
| resize(mTmpRect2, null /* tempTaskBounds */, null /* tempTaskInsetBounds */, |
| false /* preserveWindows */, true /* deferResume */); |
| } |
| } finally { |
| if (showRecents && !alreadyInSplitScreenMode && mDisplayId == DEFAULT_DISPLAY |
| && windowingMode == WINDOWING_MODE_SPLIT_SCREEN_PRIMARY) { |
| // Make sure recents stack exist when creating a dock stack as it normally needs to |
| // be on the other side of the docked stack and we make visibility decisions based |
| // on that. |
| // TODO: This is only here to help out with the case where recents stack doesn't |
| // exist yet. For that case the initial size of the split-screen stack will be the |
| // the one where the home stack is visible since recents isn't visible yet, but the |
| // divider will be off. I think we should just make the initial bounds that of home |
| // so that the divider matches and remove this logic. |
| // TODO: This is currently only called when entering split-screen while in another |
| // task, and from the tests |
| // TODO (b/78247419): Fix the rotation animation from fullscreen to minimized mode |
| final boolean isRecentsComponentHome = |
| mService.getRecentTasks().isRecentsComponentHomeActivity(mCurrentUser); |
| final ActivityStack recentStack = display.getOrCreateStack( |
| WINDOWING_MODE_SPLIT_SCREEN_SECONDARY, |
| isRecentsComponentHome ? ACTIVITY_TYPE_HOME : ACTIVITY_TYPE_RECENTS, |
| true /* onTop */); |
| recentStack.moveToFront("setWindowingMode"); |
| // If task moved to docked stack - show recents if needed. |
| mService.mWindowManager.showRecentApps(); |
| } |
| mService.continueWindowLayout(); |
| } |
| |
| if (!deferEnsuringVisibility) { |
| mRootActivityContainer.ensureActivitiesVisible(null, 0, PRESERVE_WINDOWS); |
| mRootActivityContainer.resumeFocusedStacksTopActivities(); |
| } |
| } |
| |
| @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); |
| } |
| |
| /** Adds the stack to specified display and calls WindowManager to do the same. */ |
| void reparent(ActivityDisplay activityDisplay, boolean onTop, boolean displayRemoved) { |
| // TODO: We should probably resolve the windowing mode for the stack on the new display here |
| // so that it end up in a compatible mode in the new display. e.g. split-screen secondary. |
| removeFromDisplay(); |
| // Reparent the window container before we try to update the position when adding it to |
| // the new display below |
| mTmpRect2.setEmpty(); |
| if (mTaskStack == null) { |
| // TODO: Remove after unification. |
| Log.w(TAG, "Task stack is not valid when reparenting."); |
| } else { |
| mTaskStack.reparent(activityDisplay.mDisplayId, mTmpRect2, onTop); |
| } |
| setBounds(mTmpRect2.isEmpty() ? null : mTmpRect2); |
| activityDisplay.addChild(this, onTop ? POSITION_TOP : POSITION_BOTTOM); |
| if (!displayRemoved) { |
| postReparent(); |
| } |
| } |
| |
| /** Resume next focusable stack after reparenting to another display. */ |
| void postReparent() { |
| adjustFocusToNextFocusableStack("reparent", true /* allowFocusSelf */); |
| mRootActivityContainer.resumeFocusedStacksTopActivities(); |
| // Update visibility of activities before notifying WM. This way it won't try to resize |
| // windows that are no longer visible. |
| mRootActivityContainer.ensureActivitiesVisible(null /* starting */, 0 /* configChanges */, |
| !PRESERVE_WINDOWS); |
| } |
| |
| /** |
| * Updates the inner state of the stack to remove it from its current parent, so it can be |
| * either destroyed completely or re-parented. |
| */ |
| private void removeFromDisplay() { |
| final ActivityDisplay display = getDisplay(); |
| if (display != null) { |
| display.removeChild(this); |
| } |
| mDisplayId = INVALID_DISPLAY; |
| } |
| |
| /** Removes the stack completely. Also calls WindowManager to do the same on its side. */ |
| void remove() { |
| final ActivityDisplay oldDisplay = getDisplay(); |
| removeFromDisplay(); |
| if (mTaskStack != null) { |
| mTaskStack.removeIfPossible(); |
| mTaskStack = null; |
| } |
| onParentChanged(null, oldDisplay); |
| } |
| |
| ActivityDisplay getDisplay() { |
| return mRootActivityContainer.getActivityDisplay(mDisplayId); |
| } |
| |
| /** |
| * @see #getStackDockedModeBounds(Rect, Rect, Rect, Rect) |
| */ |
| void getStackDockedModeBounds(Rect dockedBounds, Rect currentTempTaskBounds, |
| Rect outStackBounds, Rect outTempTaskBounds) { |
| if (mTaskStack != null) { |
| mTaskStack.getStackDockedModeBoundsLocked(getParent().getConfiguration(), dockedBounds, |
| currentTempTaskBounds, outStackBounds, outTempTaskBounds); |
| } else { |
| outStackBounds.setEmpty(); |
| outTempTaskBounds.setEmpty(); |
| } |
| } |
| |
| void prepareFreezingTaskBounds() { |
| if (mTaskStack != null) { |
| // TODO: This cannot be false after unification. |
| mTaskStack.prepareFreezingTaskBounds(); |
| } |
| } |
| |
| void getWindowContainerBounds(Rect outBounds) { |
| if (mTaskStack != null) { |
| mTaskStack.getBounds(outBounds); |
| return; |
| } |
| outBounds.setEmpty(); |
| } |
| |
| void positionChildWindowContainerAtTop(TaskRecord child) { |
| if (mTaskStack != null) { |
| // TODO: Remove after unification. This cannot be false after that. |
| mTaskStack.positionChildAtTop(child, true /* includingParents */); |
| } |
| } |
| |
| void positionChildWindowContainerAtBottom(TaskRecord 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 = getDisplay().getNextFocusableStack( |
| child.getStack(), true /* ignoreCurrent */); |
| if (mTaskStack != null) { |
| // TODO: Remove after unification. This cannot be false after that. |
| mTaskStack.positionChildAtBottom(child, |
| nextFocusableStack == null /* includingParents */); |
| } |
| } |
| |
| /** |
| * Returns whether to defer the scheduling of the multi-window mode. |
| */ |
| boolean deferScheduleMultiWindowModeChanged() { |
| if (inPinnedWindowingMode()) { |
| // For the pinned stack, the deferring of the multi-window mode changed is tied to the |
| // transition animation into picture-in-picture, and is called once the animation |
| // completes, or is interrupted in a way that would leave the stack in a non-fullscreen |
| // state. |
| // @see BoundsAnimationController |
| // @see BoundsAnimationControllerTests |
| if (getTaskStack() == null) return false; |
| return getTaskStack().deferScheduleMultiWindowModeChanged(); |
| } |
| return false; |
| } |
| |
| /** |
| * Defers updating the bounds of the stack. If the stack was resized/repositioned while |
| * deferring, the bounds will update in {@link #continueUpdateBounds()}. |
| */ |
| void deferUpdateBounds() { |
| if (!mUpdateBoundsDeferred) { |
| mUpdateBoundsDeferred = true; |
| mUpdateBoundsDeferredCalled = false; |
| } |
| } |
| |
| /** |
| * Continues updating bounds after updates have been deferred. If there was a resize attempt |
| * between {@link #deferUpdateBounds()} and {@link #continueUpdateBounds()}, the stack will |
| * be resized to that bounds. |
| */ |
| void continueUpdateBounds() { |
| if (mUpdateBoundsDeferred) { |
| mUpdateBoundsDeferred = false; |
| if (mUpdateBoundsDeferredCalled) { |
| setTaskBounds(mDeferredBounds); |
| setBounds(mDeferredBounds); |
| } |
| if (mUpdateDisplayedBoundsDeferredCalled) { |
| setTaskDisplayedBounds(mDeferredDisplayedBounds); |
| } |
| } |
| } |
| |
| boolean updateBoundsAllowed(Rect bounds) { |
| if (!mUpdateBoundsDeferred) { |
| return true; |
| } |
| if (bounds != null) { |
| mDeferredBounds.set(bounds); |
| } else { |
| mDeferredBounds.setEmpty(); |
| } |
| mUpdateBoundsDeferredCalled = true; |
| return false; |
| } |
| |
| boolean updateDisplayedBoundsAllowed(Rect bounds) { |
| if (!mUpdateBoundsDeferred) { |
| return true; |
| } |
| if (bounds != null) { |
| mDeferredDisplayedBounds.set(bounds); |
| } else { |
| mDeferredDisplayedBounds.setEmpty(); |
| } |
| mUpdateDisplayedBoundsDeferredCalled = true; |
| return false; |
| } |
| |
| @Override |
| public int setBounds(Rect bounds) { |
| return super.setBounds(!inMultiWindowMode() ? null : bounds); |
| } |
| |
| ActivityRecord topRunningActivityLocked() { |
| return topRunningActivityLocked(false /* focusableOnly */); |
| } |
| |
| void getAllRunningVisibleActivitiesLocked(ArrayList<ActivityRecord> outActivities) { |
| outActivities.clear(); |
| for (int taskNdx = getChildCount() - 1; taskNdx >= 0; --taskNdx) { |
| getChildAt(taskNdx).getAllRunningVisibleActivitiesLocked(outActivities); |
| } |
| } |
| |
| ActivityRecord topRunningActivityLocked(boolean focusableOnly) { |
| for (int taskNdx = getChildCount() - 1; taskNdx >= 0; --taskNdx) { |
| ActivityRecord r = getChildAt(taskNdx).topRunningActivityLocked(); |
| if (r != null && (!focusableOnly || r.isFocusable())) { |
| return r; |
| } |
| } |
| return null; |
| } |
| |
| ActivityRecord topRunningNonOverlayTaskActivity() { |
| for (int taskNdx = getChildCount() - 1; taskNdx >= 0; --taskNdx) { |
| final TaskRecord task = getChildAt(taskNdx); |
| for (int activityNdx = task.getChildCount() - 1; activityNdx >= 0; --activityNdx) { |
| final ActivityRecord r = task.getChildAt(activityNdx); |
| if (!r.finishing && !r.mTaskOverlay) { |
| return r; |
| } |
| } |
| } |
| return null; |
| } |
| |
| ActivityRecord topRunningNonDelayedActivityLocked(ActivityRecord notTop) { |
| for (int taskNdx = getChildCount() - 1; taskNdx >= 0; --taskNdx) { |
| final TaskRecord task = getChildAt(taskNdx); |
| for (int activityNdx = task.getChildCount() - 1; activityNdx >= 0; --activityNdx) { |
| final ActivityRecord r = task.getChildAt(activityNdx); |
| if (!r.finishing && !r.delayedResume && r != notTop && r.okToShowLocked()) { |
| return r; |
| } |
| } |
| } |
| return null; |
| } |
| |
| /** |
| * This is a simplified version of topRunningActivity that provides a number of |
| * optional skip-over modes. It is intended for use with the ActivityController hook only. |
| * |
| * @param token If non-null, any history records matching this token will be skipped. |
| * @param taskId If non-zero, we'll attempt to skip over records with the same task ID. |
| * |
| * @return Returns the HistoryRecord of the next activity on the stack. |
| */ |
| final ActivityRecord topRunningActivityLocked(IBinder token, int taskId) { |
| for (int taskNdx = getChildCount() - 1; taskNdx >= 0; --taskNdx) { |
| TaskRecord task = getChildAt(taskNdx); |
| if (task.mTaskId == taskId) { |
| continue; |
| } |
| for (int activityNdx = task.getChildCount() - 1; activityNdx >= 0; --activityNdx) { |
| final ActivityRecord r = task.getChildAt(activityNdx); |
| // Note: the taskId check depends on real taskId fields being non-zero |
| if (!r.finishing && (token != r.appToken) && r.okToShowLocked()) { |
| return r; |
| } |
| } |
| } |
| return null; |
| } |
| |
| ActivityRecord getTopActivity() { |
| for (int taskNdx = getChildCount() - 1; taskNdx >= 0; --taskNdx) { |
| final ActivityRecord r = getChildAt(taskNdx).getTopActivity(); |
| if (r != null) { |
| return r; |
| } |
| } |
| return null; |
| } |
| |
| final TaskRecord topTask() { |
| final int size = getChildCount(); |
| if (size > 0) { |
| return getChildAt(size - 1); |
| } |
| return null; |
| } |
| |
| TaskRecord taskForIdLocked(int id) { |
| for (int taskNdx = getChildCount() - 1; taskNdx >= 0; --taskNdx) { |
| final TaskRecord task = getChildAt(taskNdx); |
| if (task.mTaskId == id) { |
| return task; |
| } |
| } |
| return null; |
| } |
| |
| ActivityRecord isInStackLocked(IBinder token) { |
| final ActivityRecord r = ActivityRecord.forTokenLocked(token); |
| return isInStackLocked(r); |
| } |
| |
| ActivityRecord isInStackLocked(ActivityRecord r) { |
| if (r == null) { |
| return null; |
| } |
| final TaskRecord task = r.getTaskRecord(); |
| final ActivityStack stack = r.getActivityStack(); |
| if (stack != null && task.mChildren.contains(r) && mTaskHistory.contains(task)) { |
| if (stack != this) Slog.w(TAG, |
| "Illegal state! task does not point to stack it is in."); |
| return r; |
| } |
| return null; |
| } |
| |
| boolean isInStackLocked(TaskRecord task) { |
| return mTaskHistory.contains(task); |
| } |
| |
| /** Checks if there are tasks with specific UID in the stack. */ |
| boolean isUidPresent(int uid) { |
| for (int j = getChildCount() - 1; j >= 0; --j) { |
| final TaskRecord task = getChildAt(j); |
| for (int i = task.getChildCount() - 1; i >= 0 ; --i) { |
| final ActivityRecord r = task.getChildAt(i); |
| if (r.getUid() == uid) { |
| return true; |
| } |
| } |
| } |
| return false; |
| } |
| |
| /** Get all UIDs that are present in the stack. */ |
| void getPresentUIDs(IntArray presentUIDs) { |
| for (int j = getChildCount() - 1; j >= 0; --j) { |
| final TaskRecord task = getChildAt(j); |
| for (int i = task.getChildCount() - 1; i >= 0 ; --i) { |
| final ActivityRecord r = task.getChildAt(i); |
| presentUIDs.add(r.getUid()); |
| } |
| } |
| } |
| |
| /** @return true if the stack can only contain one task */ |
| boolean isSingleTaskInstance() { |
| final ActivityDisplay display = getDisplay(); |
| return display != null && display.isSingleTaskInstance(); |
| } |
| |
| /** @return {@code true} if LRU list contained the specified activity. */ |
| final boolean removeActivityFromLRUList(ActivityRecord activity) { |
| return mLRUActivities.remove(activity); |
| } |
| |
| final boolean updateLRUListLocked(ActivityRecord r) { |
| final boolean hadit = mLRUActivities.remove(r); |
| mLRUActivities.add(r); |
| return hadit; |
| } |
| |
| final boolean isHomeOrRecentsStack() { |
| return isActivityTypeHome() || isActivityTypeRecents(); |
| } |
| |
| final boolean isOnHomeDisplay() { |
| return mDisplayId == DEFAULT_DISPLAY; |
| } |
| |
| private boolean returnsToHomeStack() { |
| return !inMultiWindowMode() |
| && hasChild() |
| && getChildAt(0).returnsToHomeStack(); |
| } |
| |
| 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, TaskRecord task) { |
| if (!isAttached()) { |
| return; |
| } |
| |
| final ActivityDisplay display = getDisplay(); |
| |
| if (inSplitScreenSecondaryWindowingMode()) { |
| // If the stack is in split-screen seconardy 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 = |
| display.getTopStackInWindowingMode(WINDOWING_MODE_FULLSCREEN); |
| if (topFullScreenStack != null) { |
| final ActivityStack primarySplitScreenStack = display.getSplitScreenPrimaryStack(); |
| if (display.getIndexOf(topFullScreenStack) |
| > display.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. |
| display.moveHomeStackToFront(reason + " returnToHome"); |
| } |
| |
| final boolean movingTask = task != null; |
| display.positionChildAtTop(this, !movingTask /* includingParents */, reason); |
| if (movingTask) { |
| // This also moves the entire hierarchy branch to top, including parents |
| insertTaskAtTop(task, null /* starting */); |
| } |
| } |
| |
| /** |
| * @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, TaskRecord task) { |
| if (!isAttached()) { |
| return; |
| } |
| |
| getDisplay().positionChildAtBottom(this, reason); |
| if (task != null) { |
| insertTaskAtBottom(task); |
| } |
| |
| /** |
| * The intent behind moving a primary split screen stack to the back is usually to hide |
| * behind the home stack. Exit split screen in this case. |
| */ |
| if (getWindowingMode() == WINDOWING_MODE_SPLIT_SCREEN_PRIMARY) { |
| setWindowingMode(WINDOWING_MODE_UNDEFINED); |
| } |
| } |
| |
| boolean isFocusable() { |
| final ActivityRecord r = topRunningActivityLocked(); |
| return mRootActivityContainer.isFocusable(this, r != null && r.isFocusable()); |
| } |
| |
| boolean isFocusableAndVisible() { |
| return isFocusable() && shouldBeVisible(null /* starting */); |
| } |
| |
| final boolean isAttached() { |
| final ActivityDisplay display = getDisplay(); |
| return display != null && !display.isRemoved(); |
| } |
| |
| /** |
| * Returns the top activity in any existing task matching the given Intent in the input result. |
| * Returns null if no such task is found. |
| */ |
| void findTaskLocked(ActivityRecord target, FindTaskResult result) { |
| Intent intent = target.intent; |
| ActivityInfo info = target.info; |
| ComponentName cls = intent.getComponent(); |
| if (info.targetActivity != null) { |
| cls = new ComponentName(info.packageName, info.targetActivity); |
| } |
| final int userId = UserHandle.getUserId(info.applicationInfo.uid); |
| boolean isDocument = intent != null & intent.isDocument(); |
| // If documentData is non-null then it must match the existing task data. |
| Uri documentData = isDocument ? intent.getData() : null; |
| |
| if (DEBUG_TASKS) Slog.d(TAG_TASKS, "Looking for task of " + target + " in " + this); |
| for (int taskNdx = getChildCount() - 1; taskNdx >= 0; --taskNdx) { |
| final TaskRecord task = getChildAt(taskNdx); |
| if (task.voiceSession != null) { |
| // We never match voice sessions; those always run independently. |
| if (DEBUG_TASKS) Slog.d(TAG_TASKS, "Skipping " + task + ": voice session"); |
| continue; |
| } |
| if (task.mUserId != userId) { |
| // Looking for a different task. |
| if (DEBUG_TASKS) Slog.d(TAG_TASKS, "Skipping " + task + ": different user"); |
| continue; |
| } |
| |
| // Overlays should not be considered as the task's logical top activity. |
| final ActivityRecord r = task.getTopActivity(false /* includeOverlays */); |
| if (r == null || r.finishing || r.mUserId != userId || |
| r.launchMode == ActivityInfo.LAUNCH_SINGLE_INSTANCE) { |
| if (DEBUG_TASKS) Slog.d(TAG_TASKS, "Skipping " + task + ": mismatch root " + r); |
| continue; |
| } |
| if (!r.hasCompatibleActivityType(target)) { |
| if (DEBUG_TASKS) Slog.d(TAG_TASKS, "Skipping " + task + ": mismatch activity type"); |
| continue; |
| } |
| |
| final Intent taskIntent = task.intent; |
| final Intent affinityIntent = task.affinityIntent; |
| final boolean taskIsDocument; |
| final Uri taskDocumentData; |
| if (taskIntent != null && taskIntent.isDocument()) { |
| taskIsDocument = true; |
| taskDocumentData = taskIntent.getData(); |
| } else if (affinityIntent != null && affinityIntent.isDocument()) { |
| taskIsDocument = true; |
| taskDocumentData = affinityIntent.getData(); |
| } else { |
| taskIsDocument = false; |
| taskDocumentData = null; |
| } |
| |
| if (DEBUG_TASKS) Slog.d(TAG_TASKS, "Comparing existing cls=" |
| + (task.realActivity != null ? task.realActivity.flattenToShortString() : "") |
| + "/aff=" + r.getTaskRecord().rootAffinity + " to new cls=" |
| + intent.getComponent().flattenToShortString() + "/aff=" + info.taskAffinity); |
| // TODO Refactor to remove duplications. Check if logic can be simplified. |
| if (task.realActivity != null && task.realActivity.compareTo(cls) == 0 |
| && Objects.equals(documentData, taskDocumentData)) { |
| if (DEBUG_TASKS) Slog.d(TAG_TASKS, "Found matching class!"); |
| //dump(); |
| if (DEBUG_TASKS) Slog.d(TAG_TASKS, |
| "For Intent " + intent + " bringing to top: " + r.intent); |
| result.mRecord = r; |
| result.mIdealMatch = true; |
| break; |
| } else if (affinityIntent != null && affinityIntent.getComponent() != null && |
| affinityIntent.getComponent().compareTo(cls) == 0 && |
| Objects.equals(documentData, taskDocumentData)) { |
| if (DEBUG_TASKS) Slog.d(TAG_TASKS, "Found matching class!"); |
| //dump(); |
| if (DEBUG_TASKS) Slog.d(TAG_TASKS, |
| "For Intent " + intent + " bringing to top: " + r.intent); |
| result.mRecord = r; |
| result.mIdealMatch = true; |
| break; |
| } else if (!isDocument && !taskIsDocument |
| && result.mRecord == null && task.rootAffinity != null) { |
| if (task.rootAffinity.equals(target.taskAffinity)) { |
| if (DEBUG_TASKS) Slog.d(TAG_TASKS, "Found matching affinity candidate!"); |
| // It is possible for multiple tasks to have the same root affinity especially |
| // if they are in separate stacks. We save off this candidate, but keep looking |
| // to see if there is a better candidate. |
| result.mRecord = r; |
| result.mIdealMatch = false; |
| } |
| } else if (DEBUG_TASKS) Slog.d(TAG_TASKS, "Not a match: " + task); |
| } |
| } |
| |
| /** |
| * Returns the first activity (starting from the top of the stack) that |
| * is the same as the given activity. Returns null if no such activity |
| * is found. |
| */ |
| ActivityRecord findActivityLocked(Intent intent, ActivityInfo info, |
| boolean compareIntentFilters) { |
| ComponentName cls = intent.getComponent(); |
| if (info.targetActivity != null) { |
| cls = new ComponentName(info.packageName, info.targetActivity); |
| } |
| final int userId = UserHandle.getUserId(info.applicationInfo.uid); |
| |
| for (int taskNdx = getChildCount() - 1; taskNdx >= 0; --taskNdx) { |
| final TaskRecord task = getChildAt(taskNdx); |
| for (int activityNdx = task.getChildCount() - 1; activityNdx >= 0; --activityNdx) { |
| final ActivityRecord r = task.getChildAt(activityNdx); |
| if (!r.okToShowLocked()) { |
| continue; |
| } |
| if (!r.finishing && r.mUserId == userId) { |
| if (compareIntentFilters) { |
| if (r.intent.filterEquals(intent)) { |
| return r; |
| } |
| } else { |
| if (r.intent.getComponent().equals(cls)) { |
| return r; |
| } |
| } |
| } |
| } |
| } |
| |
| return null; |
| } |
| |
| /* |
| * Move the activities around in the stack to bring a user to the foreground. |
| */ |
| final void switchUserLocked(int userId) { |
| if (mCurrentUser == userId) { |
| return; |
| } |
| mCurrentUser = userId; |
| |
| // Move userId's tasks to the top. |
| int index = getChildCount(); |
| for (int i = 0; i < index; ) { |
| final TaskRecord task = getChildAt(i); |
| |
| if (task.okToShowLocked()) { |
| if (DEBUG_TASKS) Slog.d(TAG_TASKS, "switchUser: stack=" + getStackId() + |
| " moving " + task + " to top"); |
| mTaskHistory.remove(i); |
| mTaskHistory.add(task); |
| --index; |
| // Use same value for i. |
| } else { |
| ++i; |
| } |
| } |
| } |
| |
| 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.removeTimeoutsForActivityLocked(r); |
| mStackSupervisor.scheduleIdleTimeoutLocked(r); |
| } |
| } |
| |
| void awakeFromSleepingLocked() { |
| // Ensure activities are no longer sleeping. |
| for (int taskNdx = getChildCount() - 1; taskNdx >= 0; --taskNdx) { |
| final TaskRecord task = getChildAt(taskNdx); |
| for (int activityNdx = task.getChildCount() - 1; activityNdx >= 0; --activityNdx) { |
| final ActivityRecord r = task.getChildAt(activityNdx); |
| r.setSleeping(false); |
| } |
| } |
| if (mPausingActivity != null) { |
| Slog.d(TAG, "awakeFromSleepingLocked: previously pausing activity didn't pause"); |
| activityPausedLocked(mPausingActivity.appToken, true); |
| } |
| } |
| |
| void updateActivityApplicationInfoLocked(ApplicationInfo aInfo) { |
| final String packageName = aInfo.packageName; |
| final int userId = UserHandle.getUserId(aInfo.uid); |
| |
| for (int taskNdx = getChildCount() - 1; taskNdx >= 0; --taskNdx) { |
| final TaskRecord task = getChildAt(taskNdx); |
| for (int activityNdx = task.getChildCount() - 1; activityNdx >= 0; --activityNdx) { |
| final ActivityRecord ar = task.getChildAt(activityNdx); |
| |
| if ((userId == ar.mUserId) && packageName.equals(ar.packageName)) { |
| ar.updateApplicationInfo(aInfo); |
| } |
| } |
| } |
| } |
| |
| 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.scheduleIdleLocked(); |
| shouldSleep = false; |
| } |
| |
| if (containsActivityFromStack(mStackSupervisor.mGoingToSleepActivities)) { |
| // Still need to tell some activities to sleep; can't sleep yet. |
| if (DEBUG_PAUSE) Slog.v(TAG_PAUSE, "Sleep still need to sleep " |
| + mStackSupervisor.mGoingToSleepActivities.size() + " activities"); |
| shouldSleep = false; |
| } |
| } |
| |
| if (shouldSleep) { |
| goToSleep(); |
| } |
| |
| return shouldSleep; |
| } |
| |
| void goToSleep() { |
| // Ensure visibility without updating configuration, as activities are about to sleep. |
| ensureActivitiesVisibleLocked(null /* starting */, 0 /* configChanges */, |
| !PRESERVE_WINDOWS); |
| |
| // Make sure any paused or stopped but visible activities are now sleeping. |
| // This ensures that the activity's onStop() is called. |
| for (int taskNdx = getChildCount() - 1; taskNdx >= 0; --taskNdx) { |
| final TaskRecord task = getChildAt(taskNdx); |
| for (int activityNdx = task.getChildCount() - 1; activityNdx >= 0; --activityNdx) { |
| final ActivityRecord r = task.getChildAt(activityNdx); |
| if (r.isState(STARTED, STOPPING, STOPPED, PAUSED, PAUSING)) { |
| r.setSleeping(true); |
| } |
| } |
| } |
| } |
| |
| private boolean containsActivityFromStack(List<ActivityRecord> rs) { |
| for (ActivityRecord r : rs) { |
| if (r.getActivityStack() == 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"); |
| mRootActivityContainer.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.intent.getFlags() & Intent.FLAG_ACTIVITY_NO_HISTORY) != 0 |
| || (prev.info.flags & ActivityInfo.FLAG_NO_HISTORY) != 0 ? prev : null; |
| prev.setState(PAUSING, "startPausingLocked"); |
| prev.getTaskRecord().touchActiveTime(); |
| clearLaunchTime(prev); |
| |
| mService.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.writeAmPauseActivity(prev.mUserId, System.identityHashCode(prev), |
| prev.shortComponentName, "userLeaving=" + userLeaving); |
| |
| mService.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 && !mService.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 { |
| schedulePauseTimeoutForActivity(prev); |
| 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) { |
| mRootActivityContainer.resumeFocusedStacksTopActivities(); |
| } |
| return false; |
| } |
| } |
| |
| final void activityPausedLocked(IBinder token, boolean timeout) { |
| if (DEBUG_PAUSE) Slog.v(TAG_PAUSE, |
| "Activity paused: token=" + token + ", timeout=" + timeout); |
| |
| final ActivityRecord r = isInStackLocked(token); |
| |
| if (r != null) { |
| mHandler.removeMessages(PAUSE_TIMEOUT_MSG, r); |
| if (mPausingActivity == r) { |
| if (DEBUG_STATES) Slog.v(TAG_STATES, "Moving to PAUSED: " + r |
| + (timeout ? " (due to timeout)" : " (pause complete)")); |
| mService.deferWindowLayout(); |
| try { |
| completePauseLocked(true /* resumeNext */, null /* resumingActivity */); |
| } finally { |
| mService.continueWindowLayout(); |
| } |
| return; |
| } else { |
| EventLog.writeEvent(EventLogTags.AM_FAILED_TO_PAUSE, |
| r.mUserId, System.identityHashCode(r), r.shortComponentName, |
| mPausingActivity != null |
| ? mPausingActivity.shortComponentName : "(none)"); |
| if (r.isState(PAUSING)) { |
| r.setState(PAUSED, "activityPausedLocked"); |
| if (r.finishing) { |
| if (DEBUG_PAUSE) Slog.v(TAG, |
| "Executing finish of failed to pause activity: " + r); |
| r.completeFinishing("activityPausedLocked"); |
| } |
| } |
| } |
| } |
| mRootActivityContainer.ensureActivitiesVisible(null, 0, !PRESERVE_WINDOWS); |
| } |
| |
| @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 + " visible=" + prev.visible); |
| 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.visible || 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 = mRootActivityContainer.getTopDisplayFocusedStack(); |
| if (!topStack.shouldSleepOrShutDownActivities()) { |
| mRootActivityContainer.resumeFocusedStacksTopActivities(topStack, prev, null); |
| } else { |
| checkReadyForSleep(); |
| ActivityRecord top = topStack.topRunningActivityLocked(); |
| 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. |
| mRootActivityContainer.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, |
| mService.mAmInternal, prev.info.packageName, |
| prev.info.applicationInfo.uid, |
| diff); |
| mService.mH.post(r); |
| } |
| } |
| prev.cpuTimeAtResume = 0; // reset it |
| } |
| |
| // 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 |
| || (getDisplay() != null && getDisplay().hasPinnedStack())) { |
| mService.getTaskChangeNotificationController().notifyTaskStackChanged(); |
| mStackSupervisor.mAppVisibilitiesChangedSinceLastPause = false; |
| } |
| |
| mRootActivityContainer.ensureActivitiesVisible(resuming, 0, !PRESERVE_WINDOWS); |
| } |
| |
| /** |
| * Returns true if the stack is translucent and can have other contents visible behind it if |
| * needed. A stack is considered translucent if it don't contain a visible or |
| * starting (about to be visible) activity that is fullscreen (opaque). |
| * @param starting The currently starting activity or null if there is none. |
| */ |
| @VisibleForTesting |
| boolean isStackTranslucent(ActivityRecord starting) { |
| if (!isAttached() || mForceHidden) { |
| return true; |
| } |
| for (int taskNdx = getChildCount() - 1; taskNdx >= 0; --taskNdx) { |
| final TaskRecord task = getChildAt(taskNdx); |
| for (int activityNdx = task.getChildCount() - 1; activityNdx >= 0; --activityNdx) { |
| final ActivityRecord r = task.getChildAt(activityNdx); |
| |
| if (r.finishing) { |
| // We don't factor in finishing activities when determining translucency since |
| // they will be gone soon. |
| continue; |
| } |
| |
| if (!r.visibleIgnoringKeyguard && r != starting) { |
| // Also ignore invisible activities that are not the currently starting |
| // activity (about to be visible). |
| continue; |
| } |
| |
| if (r.occludesParent() || r.hasWallpaper) { |
| // Stack isn't translucent if it has at least one fullscreen activity |
| // that is visible. |
| return false; |
| } |
| } |
| } |
| return true; |
| } |
| |
| boolean isTopStackOnDisplay() { |
| final ActivityDisplay display = getDisplay(); |
| return display != null && display.isTopStack(this); |
| } |
| |
| /** |
| * @return {@code true} if this is the focused stack on its current display, {@code false} |
| * otherwise. |
| */ |
| boolean isFocusedStackOnDisplay() { |
| final ActivityDisplay display = getDisplay(); |
| return display != null && this == display.getFocusedStack(); |
| } |
| |
| boolean isTopActivityVisible() { |
| final ActivityRecord topActivity = getTopActivity(); |
| return topActivity != null && topActivity.visible; |
| } |
| |
| /** |
| * Returns true if the stack should be visible. |
| * |
| * @param starting The currently starting activity or null if there is none. |
| */ |
| boolean shouldBeVisible(ActivityRecord starting) { |
| return getVisibility(starting) != STACK_VISIBILITY_INVISIBLE; |
| } |
| |
| /** |
| * Returns true if the stack should be visible. |
| * |
| * @param starting The currently starting activity or null if there is none. |
| */ |
| @StackVisibility |
| int getVisibility(ActivityRecord starting) { |
| if (!isAttached() || mForceHidden) { |
| return STACK_VISIBILITY_INVISIBLE; |
| } |
| |
| final ActivityDisplay display = getDisplay(); |
| boolean gotSplitScreenStack = false; |
| boolean gotOpaqueSplitScreenPrimary = false; |
| boolean gotOpaqueSplitScreenSecondary = false; |
| boolean gotTranslucentFullscreen = false; |
| boolean gotTranslucentSplitScreenPrimary = false; |
| boolean gotTranslucentSplitScreenSecondary = false; |
| boolean shouldBeVisible = true; |
| final int windowingMode = getWindowingMode(); |
| final boolean isAssistantType = isActivityTypeAssistant(); |
| for (int i = display.getChildCount() - 1; i >= 0; --i) { |
| final ActivityStack other = display.getChildAt(i); |
| final boolean hasRunningActivities = other.topRunningActivityLocked() != null; |
| if (other == this) { |
| // Should be visible if there is no other stack occluding it, unless it doesn't |
| // have any running activities, not starting one and not home stack. |
| shouldBeVisible = hasRunningActivities || isInStackLocked(starting) != null |
| || isActivityTypeHome(); |
| break; |
| } |
| |
| if (!hasRunningActivities) { |
| continue; |
| } |
| |
| final int otherWindowingMode = other.getWindowingMode(); |
| |
| if (otherWindowingMode == WINDOWING_MODE_FULLSCREEN) { |
| // In this case the home stack isn't resizeable even though we are in split-screen |
| // mode. We still want the primary splitscreen stack to be visible as there will be |
| // a slight hint of it in the status bar area above the non-resizeable home |
| // activity. In addition, if the fullscreen assistant is over primary splitscreen |
| // stack, the stack should still be visible in the background as long as the recents |
| // animation is running. |
| final int activityType = other.getActivityType(); |
| if (windowingMode == WINDOWING_MODE_SPLIT_SCREEN_PRIMARY) { |
| if (activityType == ACTIVITY_TYPE_HOME |
| || (activityType == ACTIVITY_TYPE_ASSISTANT |
| && mWindowManager.getRecentsAnimationController() != null)) { |
| break; |
| } |
| } |
| if (other.isStackTranslucent(starting)) { |
| // Can be visible behind a translucent fullscreen stack. |
| gotTranslucentFullscreen = true; |
| continue; |
| } |
| return STACK_VISIBILITY_INVISIBLE; |
| } else if (otherWindowingMode == WINDOWING_MODE_SPLIT_SCREEN_PRIMARY |
| && !gotOpaqueSplitScreenPrimary) { |
| gotSplitScreenStack = true; |
| gotTranslucentSplitScreenPrimary = other.isStackTranslucent(starting); |
| gotOpaqueSplitScreenPrimary = !gotTranslucentSplitScreenPrimary; |
| if (windowingMode == WINDOWING_MODE_SPLIT_SCREEN_PRIMARY |
| && gotOpaqueSplitScreenPrimary) { |
| // Can not be visible behind another opaque stack in split-screen-primary mode. |
| return STACK_VISIBILITY_INVISIBLE; |
| } |
| } else if (otherWindowingMode == WINDOWING_MODE_SPLIT_SCREEN_SECONDARY |
| && !gotOpaqueSplitScreenSecondary) { |
| gotSplitScreenStack = true; |
| gotTranslucentSplitScreenSecondary = other.isStackTranslucent(starting); |
| gotOpaqueSplitScreenSecondary = !gotTranslucentSplitScreenSecondary; |
| if (windowingMode == WINDOWING_MODE_SPLIT_SCREEN_SECONDARY |
| && gotOpaqueSplitScreenSecondary) { |
| // Can not be visible behind another opaque stack in split-screen-secondary mode. |
| return STACK_VISIBILITY_INVISIBLE; |
| } |
| } |
| if (gotOpaqueSplitScreenPrimary && gotOpaqueSplitScreenSecondary) { |
| // Can not be visible if we are in split-screen windowing mode and both halves of |
| // the screen are opaque. |
| return STACK_VISIBILITY_INVISIBLE; |
| } |
| if (isAssistantType && gotSplitScreenStack) { |
| // Assistant stack can't be visible behind split-screen. In addition to this not |
| // making sense, it also works around an issue here we boost the z-order of the |
| // assistant window surfaces in window manager whenever it is visible. |
| return STACK_VISIBILITY_INVISIBLE; |
| } |
| } |
| |
| if (!shouldBeVisible) { |
| return STACK_VISIBILITY_INVISIBLE; |
| } |
| |
| // Handle cases when there can be a translucent split-screen stack on top. |
| switch (windowingMode) { |
| case WINDOWING_MODE_FULLSCREEN: |
| if (gotTranslucentSplitScreenPrimary || gotTranslucentSplitScreenSecondary) { |
| // At least one of the split-screen stacks that covers this one is translucent. |
| return STACK_VISIBILITY_VISIBLE_BEHIND_TRANSLUCENT; |
| } |
| break; |
| case WINDOWING_MODE_SPLIT_SCREEN_PRIMARY: |
| if (gotTranslucentSplitScreenPrimary) { |
| // Covered by translucent primary split-screen on top. |
| return STACK_VISIBILITY_VISIBLE_BEHIND_TRANSLUCENT; |
| } |
| break; |
| case WINDOWING_MODE_SPLIT_SCREEN_SECONDARY: |
| if (gotTranslucentSplitScreenSecondary) { |
| // Covered by translucent secondary split-screen on top. |
| return STACK_VISIBILITY_VISIBLE_BEHIND_TRANSLUCENT; |
| } |
| break; |
| } |
| |
| // Lastly - check if there is a translucent fullscreen stack on top. |
| return gotTranslucentFullscreen ? STACK_VISIBILITY_VISIBLE_BEHIND_TRANSLUCENT |
| : STACK_VISIBILITY_VISIBLE; |
| } |
| |
| final int rankTaskLayers(int baseLayer) { |
| int layer = 0; |
| for (int taskNdx = getChildCount() - 1; taskNdx >= 0; --taskNdx) { |
| final TaskRecord task = getChildAt(taskNdx); |
| ActivityRecord r = task.topRunningActivityLocked(); |
| if (r == null || r.finishing || !r.visible) { |
| task.mLayerRank = -1; |
| } else { |
| task.mLayerRank = baseLayer + layer++; |
| } |
| } |
| return layer; |
| } |
| |
| /** |
| * 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. |
| */ |
| final void ensureActivitiesVisibleLocked(ActivityRecord starting, int configChanges, |
| boolean preserveWindows) { |
| ensureActivitiesVisibleLocked(starting, configChanges, preserveWindows, |
| true /* notifyClients */); |
| } |
| |
| /** |
| * Ensure visibility with an option to also update the configuration of visible activities. |
| * @see #ensureActivitiesVisibleLocked(ActivityRecord, int, boolean) |
| * @see RootActivityContainer#ensureActivitiesVisible(ActivityRecord, int, boolean) |
| */ |
| // TODO: Should be re-worked based on the fact that each task as a stack in most cases. |
| final void ensureActivitiesVisibleLocked(ActivityRecord starting, int configChanges, |
| boolean preserveWindows, boolean notifyClients) { |
| mTopActivityOccludesKeyguard = false; |
| mTopDismissingKeyguardActivity = null; |
| mStackSupervisor.getKeyguardController().beginActivityVisibilityUpdate(); |
| try { |
| ActivityRecord top = topRunningActivityLocked(); |
| if (DEBUG_VISIBILITY) Slog.v(TAG_VISIBILITY, "ensureActivitiesVisible behind " + top |
| + " configChanges=0x" + Integer.toHexString(configChanges)); |
| if (top != null) { |
| checkTranslucentActivityWaiting(top); |
| } |
| |
| // If the top activity is not fullscreen, then we need to |
| // make sure any activities under it are now visible. |
| boolean aboveTop = top != null; |
| final boolean stackShouldBeVisible = shouldBeVisible(starting); |
| boolean behindFullscreenActivity = !stackShouldBeVisible; |
| // We should not resume activities that being launched behind because these |
| // activities are actually behind other fullscreen activities, but still required |
| // to be visible (such as performing Recents animation). |
| final boolean resumeTopActivity = isFocusable() && isInStackLocked(starting) == null |
| && top != null && !top.mLaunchTaskBehind; |
| for (int taskNdx = getChildCount() - 1; taskNdx >= 0; --taskNdx) { |
| final TaskRecord task = getChildAt(taskNdx); |
| for (int activityNdx = task.getChildCount() - 1; activityNdx >= 0; --activityNdx) { |
| final ActivityRecord r = task.getChildAt(activityNdx); |
| final boolean isTop = r == top; |
| if (aboveTop && !isTop) { |
| continue; |
| } |
| aboveTop = false; |
| |
| final boolean reallyVisible = r.shouldBeVisible(behindFullscreenActivity, |
| false /* ignoringKeyguard */); |
| // Check whether activity should be visible without Keyguard influence |
| if (r.visibleIgnoringKeyguard) { |
| if (r.occludesParent()) { |
| // At this point, nothing else needs to be shown in this task. |
| if (DEBUG_VISIBILITY) Slog.v(TAG_VISIBILITY, "Fullscreen: at " + r |
| + " stackVisible=" + stackShouldBeVisible |
| + " behindFullscreen=" + behindFullscreenActivity); |
| behindFullscreenActivity = true; |
| } else { |
| behindFullscreenActivity = false; |
| } |
| } |
| |
| if (reallyVisible) { |
| if (r.finishing) { |
| continue; |
| } |
| if (DEBUG_VISIBILITY) Slog.v(TAG_VISIBILITY, "Make visible? " + r |
| + " finishing=" + r.finishing + " state=" + r.getState()); |
| // First: if this is not the current activity being started, make |
| // sure it matches the current configuration. |
| if (r != starting && notifyClients) { |
| r.ensureActivityConfiguration(0 /* globalChanges */, preserveWindows, |
| true /* ignoreVisibility */); |
| } |
| |
| if (!r.attachedToProcess()) { |
| makeVisibleAndRestartIfNeeded(starting, configChanges, isTop, |
| resumeTopActivity && isTop, r); |
| } else if (r.visible) { |
| // If this activity is already visible, then there is nothing to do here. |
| if (DEBUG_VISIBILITY) Slog.v(TAG_VISIBILITY, |
| "Skipping: already visible at " + r); |
| |
| if (r.mClientVisibilityDeferred && notifyClients) { |
| r.makeClientVisible(); |
| } |
| |
| r.handleAlreadyVisible(); |
| if (notifyClients) { |
| r.makeActiveIfNeeded(starting); |
| } |
| } else { |
| r.makeVisibleIfNeeded(starting, notifyClients); |
| } |
| // Aggregate current change flags. |
| configChanges |= r.configChangeFlags; |
| } else { |
| if (DEBUG_VISIBILITY) Slog.v(TAG_VISIBILITY, "Make invisible? " + r |
| + " finishing=" + r.finishing + " state=" + r.getState() |
| + " stackShouldBeVisible=" + stackShouldBeVisible |
| + " behindFullscreenActivity=" + behindFullscreenActivity |
| + " mLaunchTaskBehind=" + r.mLaunchTaskBehind); |
| r.makeInvisible(); |
| } |
| } |
| final int windowingMode = getWindowingMode(); |
| if (windowingMode == WINDOWING_MODE_FREEFORM) { |
| // The visibility of tasks and the activities they contain in freeform stack are |
| // determined individually unlike other stacks where the visibility or fullscreen |
| // status of an activity in a previous task affects other. |
| behindFullscreenActivity = !stackShouldBeVisible; |
| } else if (isActivityTypeHome()) { |
| if (DEBUG_VISIBILITY) Slog.v(TAG_VISIBILITY, "Home task: at " + task |
| + " stackShouldBeVisible=" + stackShouldBeVisible |
| + " behindFullscreenActivity=" + behindFullscreenActivity); |
| // No other task in the home stack should be visible behind the home activity. |
| // Home activities is usually a translucent activity with the wallpaper behind |
| // them. However, when they don't have the wallpaper behind them, we want to |
| // show activities in the next application stack behind them vs. another |
| // task in the home stack like recents. |
| behindFullscreenActivity = true; |
| } |
| } |
| |
| if (mTranslucentActivityWaiting != null && |
| mUndrawnActivitiesBelowTopTranslucent.isEmpty()) { |
| // Nothing is getting drawn or everything was already visible, don't wait for timeout. |
| notifyActivityDrawnLocked(null); |
| } |
| } finally { |
| mStackSupervisor.getKeyguardController().endActivityVisibilityUpdate(); |
| } |
| } |
| |
| void addStartingWindowsForVisibleActivities(boolean taskSwitch) { |
| for (int taskNdx = getChildCount() - 1; taskNdx >= 0; --taskNdx) { |
| getChildAt(taskNdx).addStartingWindowsForVisibleActivities(taskSwitch); |
| } |
| } |
| |
| /** |
| * @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(); |
| } |
| |
| @Override |
| public boolean supportsSplitScreenWindowingMode() { |
| final TaskRecord topTask = topTask(); |
| return super.supportsSplitScreenWindowingMode() |
| && (topTask == null || topTask.supportsSplitScreenWindowingMode()); |
| } |
| |
| /** @return True if the resizing of the primary-split-screen stack affects this stack size. */ |
| boolean affectedBySplitScreenResize() { |
| if (!supportsSplitScreenWindowingMode()) { |
| return false; |
| } |
| final int windowingMode = getWindowingMode(); |
| return windowingMode != WINDOWING_MODE_FREEFORM && windowingMode != WINDOWING_MODE_PINNED; |
| } |
| |
| /** |
| * @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) { |
| final int displayId = mDisplayId != INVALID_DISPLAY ? mDisplayId : 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 ActivityDisplay activityDisplay = getDisplay(); |
| if (activityDisplay == null) { |
| throw new IllegalStateException("Stack is not attached to any display, stackId=" |
| + mStackId); |
| } |
| |
| final int flags = activityDisplay.mDisplay.getFlags(); |
| return (flags & FLAG_CAN_SHOW_WITH_INSECURE_KEYGUARD) != 0; |
| } |
| |
| private 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); |
| } |
| } |
| |
| private boolean makeVisibleAndRestartIfNeeded(ActivityRecord starting, int configChanges, |
| boolean isTop, boolean andResume, ActivityRecord r) { |
| // We need to make sure the app is running if it's the top, or it is just made visible from |
| // invisible. If the app is already visible, it must have died while it was visible. In this |
| // case, we'll show the dead window but will not restart the app. Otherwise we could end up |
| // thrashing. |
| if (isTop || !r.visible) { |
| // This activity needs to be visible, but isn't even running... |
| // get it started and resume if no other stack in this stack is resumed. |
| if (DEBUG_VISIBILITY) Slog.v(TAG_VISIBILITY, "Start and freeze screen for " + r); |
| if (r != starting) { |
| r.startFreezingScreenLocked(configChanges); |
| } |
| if (!r.visible || r.mLaunchTaskBehind) { |
| if (DEBUG_VISIBILITY) Slog.v(TAG_VISIBILITY, "Starting and making visible: " + r); |
| r.setVisible(true); |
| } |
| if (r != starting) { |
| mStackSupervisor.startSpecificActivityLocked(r, andResume, true /* checkConfig */); |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| void convertActivityToTranslucent(ActivityRecord r) { |
| mTranslucentActivityWaiting = r; |
| mUndrawnActivitiesBelowTopTranslucent.clear(); |
| mHandler.sendEmptyMessageDelayed(TRANSLUCENT_TIMEOUT_MSG, TRANSLUCENT_CONVERSION_TIMEOUT); |
| } |
| |
| void clearOtherAppTimeTrackers(AppTimeTracker except) { |
| for (int taskNdx = getChildCount() - 1; taskNdx >= 0; --taskNdx) { |
| final TaskRecord task = getChildAt(taskNdx); |
| for (int activityNdx = task.getChildCount() - 1; activityNdx >= 0; --activityNdx) { |
| final ActivityRecord r = task.getChildAt(activityNdx); |
| if ( r.appTimeTracker != except) { |
| r.appTimeTracker = null; |
| } |
| } |
| } |
| } |
| |
| /** |
| * 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) { |
| mWindowManager.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) { |
| boolean aboveTop = true; |
| boolean behindFullscreenActivity = 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. |
| aboveTop = false; |
| behindFullscreenActivity = true; |
| } |
| |
| final boolean handlingOccluded = toCheck == null && handleBehindFullscreenActivity != null; |
| if (!handlingOccluded && behindFullscreenActivity) { |
| return true; |
| } |
| |
| final ActivityRecord topActivity = topRunningActivityLocked(); |
| for (int taskNdx = getChildCount() - 1; taskNdx >= 0; --taskNdx) { |
| final TaskRecord task = getChildAt(taskNdx); |
| for (int activityNdx = task.getChildCount() - 1; activityNdx >= 0; --activityNdx) { |
| final ActivityRecord r = task.getChildAt(activityNdx); |
| if (aboveTop) { |
| if (r == topActivity) { |
| if (r == toCheck) { |
| // It is the top activity in a visible stack. |
| return false; |
| } |
| aboveTop = false; |
| } |
| behindFullscreenActivity |= r.occludesParent(); |
| continue; |
| } |
| |
| if (handlingOccluded) { |
| handleBehindFullscreenActivity.accept(r); |
| } else if (r == toCheck) { |
| return behindFullscreenActivity; |
| } else if (behindFullscreenActivity) { |
| // It is occluded before {@param toCheck} is found. |
| return true; |
| } |
| behindFullscreenActivity |= r.occludesParent(); |
| } |
| } |
| return behindFullscreenActivity; |
| } |
| |
| /** |
| * 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 RootActivityContainer#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 = topRunningActivityLocked(true /* focusableOnly */); |
| if (next == null || !next.canTurnScreenOn()) { |
| checkReadyForSleep(); |
| } |
| } finally { |
| mInResumeTopActivity = false; |
| } |
| |
| return result; |
| } |
| |
| /** |
| * Returns the currently resumed activity. |
| */ |
| protected ActivityRecord getResumedActivity() { |
| return mResumedActivity; |
| } |
| |
| private void setResumedActivity(ActivityRecord r, String reason) { |
| if (mResumedActivity == r) { |
| return; |
| } |
| |
| if (DEBUG_STACK) Slog.d(TAG_STACK, "setResumedActivity stack:" + this + " + from: " |
| + mResumedActivity + " to:" + r + " reason:" + reason); |
| mResumedActivity = r; |
| mStackSupervisor.updateTopResumedActivityIfNeeded(); |
| } |
| |
| @GuardedBy("mService") |
| private boolean resumeTopActivityInnerLocked(ActivityRecord prev, ActivityOptions options) { |
| if (!mService.isBooting() && !mService.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 = topRunningActivityLocked(true /* focusableOnly */); |
| |
| final boolean hasRunningActivity = next != null; |
| |
| // TODO: Maybe this entire condition can get removed? |
| if (hasRunningActivity && !isAttached()) { |
| return false; |
| } |
| |
| mRootActivityContainer.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 ActivityDisplay display = getDisplay(); |
| |
| // If the top activity is the resumed one, nothing to do. |
| if (mResumedActivity == next && next.isState(RESUMED) |
| && display.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 sleeping, and there is no resumed activity, and the top |
| // activity is paused, well that is the state we want. |
| if (shouldSleepOrShutDownActivities() |
| && mLastPausedActivity == next |
| && mRootActivityContainer.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 (!mService.mShuttingDown) { |
| final boolean canShowWhenLocked = !mTopActivityOccludesKeyguard |
| && next.canShowWhenLocked(); |
| final boolean mayDismissKeyguard = mTopDismissingKeyguardActivity != next |
| && next.containsDismissKeyguardWindow(); |
| |
| if (canShowWhenLocked || mayDismissKeyguard) { |
| ensureActivitiesVisibleLocked(null /* starting */, 0 /* configChanges */, |
| !PRESERVE_WINDOWS); |
| nothingToResume = shouldSleepActivities(); |
| } |
| } |
| 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 (!mService.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); |
| mStackSupervisor.mGoingToSleepActivities.remove(next); |
| next.sleeping = 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 (!mRootActivityContainer.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 = display.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 = display.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 */); |
| } 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 == display.getFocusedStack(); |
| mService.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) |
| && display.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 { |
| mService.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 = display.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.getTaskRecord() == next.getTaskRecord() ? 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.getTaskRecord() == next.getTaskRecord() ? 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 + " visible=" + next.visible); |
| |
| // 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.visible || 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(); |
| |
| mService.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 */); |
| updateLRUListLocked(next); |
| |
| // 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 = !mRootActivityContainer.ensureVisibilityAndConfig(next, mDisplayId, |
| 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 = topRunningActivityLocked(); |
| 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.visible || 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); |
| |
| EventLog.writeEvent(EventLogTags.AM_RESUME_ACTIVITY, next.mUserId, |
| System.identityHashCode(next), next.getTaskRecord().mTaskId, |
| next.shortComponentName); |
| |
| next.sleeping = false; |
| mService.getAppWarningsLocked().onResumeActivity(next); |
| next.app.setPendingUiCleanAndForceProcessStateUpTo(mService.mTopProcessState); |
| next.clearOptionsLocked(); |
| transaction.setLifecycleStateRequest( |
| ResumeActivityItem.obtain(next.app.getReportedProcState(), |
| dc.isNextTransitionForward())); |
| mService.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.isTopStackOnDisplay()) { |
| next.showStartingWindow(null /* prev */, false /* newTask */, |
| false /* taskSwitch */); |
| } |
| mStackSupervisor.startSpecificActivityLocked(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.startSpecificActivityLocked(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 = adjustFocusToNextFocusableStack(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 mRootActivityContainer.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 mRootActivityContainer.resumeHomeActivity(prev, reason, mDisplayId); |
| } |
| |
| /** Returns the position the input task should be placed in this stack. */ |
| int getAdjustedPositionForTask(TaskRecord task, int suggestedPosition, |
| ActivityRecord starting) { |
| |
| int maxPosition = getChildCount(); |
| if ((starting != null && starting.okToShowLocked()) |
| || (starting == null && task.okToShowLocked())) { |
| // If the task or starting activity can be shown, then whatever position is okay. |
| return Math.min(suggestedPosition, maxPosition); |
| } |
| |
| // The task can't be shown, put non-current user tasks below current user tasks. |
| while (maxPosition > 0) { |
| final TaskRecord tmpTask = getChildAt(maxPosition - 1); |
| if (!mStackSupervisor.isCurrentProfileLocked(tmpTask.mUserId) |
| || tmpTask.topRunningActivityLocked() == null) { |
| break; |
| } |
| maxPosition--; |
| } |
| |
| return Math.min(suggestedPosition, maxPosition); |
| } |
| |
| /** |
| * Used from {@link ActivityStack#positionTask(TaskRecord, int)}. |
| * @see ActivityTaskManagerService#positionTaskInStack(int, int, int). |
| */ |
| private void insertTaskAtPosition(TaskRecord task, int position) { |
| if (position >= getChildCount()) { |
| insertTaskAtTop(task, null); |
| return; |
| } else if (position <= 0) { |
| insertTaskAtBottom(task); |
| return; |
| } |
| position = getAdjustedPositionForTask(task, position, null /* starting */); |
| mTaskHistory.remove(task); |
| mTaskHistory.add(position, task); |
| if (mTaskStack != null) { |
| // TODO: this can not be false after unification Stack. |
| mTaskStack.positionChildAt(task, position); |
| } |
| task.updateTaskMovement(true); |
| } |
| |
| void insertTaskAtTop(TaskRecord task, ActivityRecord starting) { |
| // TODO: Better place to put all the code below...may be addChild... |
| mTaskHistory.remove(task); |
| // Now put task at top. |
| final int position = getAdjustedPositionForTask(task, getChildCount(), starting); |
| mTaskHistory.add(position, task); |
| task.updateTaskMovement(true); |
| positionChildWindowContainerAtTop(task); |
| } |
| |
| private void insertTaskAtBottom(TaskRecord task) { |
| mTaskHistory.remove(task); |
| final int position = getAdjustedPositionForTask(task, 0, null); |
| mTaskHistory.add(position, task); |
| task.updateTaskMovement(true); |
| positionChildWindowContainerAtBottom(task); |
| } |
| |
| void startActivityLocked(ActivityRecord r, ActivityRecord focusedTopActivity, |
| boolean newTask, boolean keepCurTransition, ActivityOptions options) { |
| TaskRecord rTask = r.getTaskRecord(); |
| final int taskId = rTask.mTaskId; |
| final boolean allowMoveToFront = options == null || !options.getAvoidMoveToFront(); |
| // mLaunchTaskBehind tasks get placed at the back of the task stack. |
| if (!r.mLaunchTaskBehind && allowMoveToFront |
| && (taskForIdLocked(taskId) == null || newTask)) { |
| // Last activity in task had been removed or ActivityManagerService is reusing task. |
| // Insert or replace. |
| // Might not even be in. |
| insertTaskAtTop(rTask, r); |
| } |
| TaskRecord task = null; |
| if (!newTask) { |
| // If starting in an existing task, find where that is... |
| boolean startIt = true; |
| for (int taskNdx = getChildCount() - 1; taskNdx >= 0; --taskNdx) { |
| task = getChildAt(taskNdx); |
| if (task.getTopActivity() == null) { |
| // All activities in task are finishing. |
| continue; |
| } |
| if (task == rTask) { |
| // Here it is! Now, if this is not yet visible to the |
| // user, then just add it without starting; it will |
| // get started when the user navigates back to it. |
| if (!startIt) { |
| if (DEBUG_ADD_REMOVE) Slog.i(TAG, "Adding activity " + r + " to task " |
| + task, new RuntimeException("here").fillInStackTrace()); |
| rTask.positionChildAtTop(r); |
| ActivityOptions.abort(options); |
| return; |
| } |
| break; |
| } else if (task.numFullscreen > 0) { |
| startIt = false; |
| } |
| } |
| } |
| |
| // 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 TaskRecord activityTask = r.getTaskRecord(); |
| if (task == activityTask && mTaskHistory.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() || numActivities() > 0) && 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()) { |
| transit = TRANSIT_SHOW_SINGLE_TASK_DISPLAY; |
| } 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) { |
| resetTaskIfNeededLocked(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); |
| ensureActivitiesVisibleLocked(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. |
| TaskRecord prevTask = r.getTaskRecord(); |
| ActivityRecord prev = prevTask.topRunningActivityWithStartingWindowLocked(); |
| 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.getTaskRecord() != 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, |
| TaskRecord 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.getActivityStack(); |
| 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.getTaskRecord() != topFocusedActivity.getTaskRecord(); |
| } |
| |
| /** |
| * Helper method for {@link #resetTaskIfNeededLocked(ActivityRecord, ActivityRecord)}. |
| * Performs a reset of the given task, if needed for new activity start. |
| * @param task The task containing the Activity (taskTop) that might be reset. |
| * @param forceReset Flag indicating if clear task was requested |
| * @return An ActivityOptions that needs to be processed. |
| */ |
| private ActivityOptions resetTargetTaskIfNeededLocked(TaskRecord task, boolean forceReset) { |
| ActivityOptions topOptions = null; |
| |
| // Tracker of the end of currently handled reply chain (sublist) of activities. What happens |
| // to activities in the same chain will depend on what the end activity of the chain needs. |
| int replyChainEnd = -1; |
| boolean canMoveOptions = true; |
| int numTasksCreated = 0; |
| |
| // We only do this for activities that are not the root of the task (since if we finish |
| // the root, we may no longer have the task!). |
| final int numActivities = task.getChildCount(); |
| int lastActivityNdx = task.findRootIndex(true /* effectiveRoot */); |
| if (lastActivityNdx == -1) { |
| lastActivityNdx = 0; |
| } |
| for (int i = numActivities - 1; i > lastActivityNdx; --i) { |
| ActivityRecord target = task.getChildAt(i); |
| // TODO: Why is this needed? Looks like we're breaking the loop before we reach the root |
| if (target.isRootOfTask()) break; |
| |
| final int flags = target.info.flags; |
| final boolean finishOnTaskLaunch = |
| (flags & ActivityInfo.FLAG_FINISH_ON_TASK_LAUNCH) != 0; |
| final boolean allowTaskReparenting = |
| (flags & ActivityInfo.FLAG_ALLOW_TASK_REPARENTING) != 0; |
| final boolean clearWhenTaskReset = |
| (target.intent.getFlags() & Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET) != 0; |
| |
| if (!finishOnTaskLaunch |
| && !clearWhenTaskReset |
| && target.resultTo != null) { |
| // If this activity is sending a reply to a previous |
| // activity, we can't do anything with it now until |
| // we reach the start of the reply chain. |
| // XXX note that we are assuming the result is always |
| // to the previous activity, which is almost always |
| // the case but we really shouldn't count on. |
| if (replyChainEnd < 0) { |
| replyChainEnd = i; |
| } |
| } else if (!finishOnTaskLaunch |
| && !clearWhenTaskReset |
| && allowTaskReparenting |
| && target.taskAffinity != null |
| && !target.taskAffinity.equals(task.affinity)) { |
| // If this activity has an affinity for another |
| // task, then we need to move it out of here. We will |
| // move it as far out of the way as possible, to the |
| // bottom of the activity stack. This also keeps it |
| // correctly ordered with any activities we previously |
| // moved. |
| // TODO: We should probably look for other stacks also, since corresponding task |
| // with the same affinity is unlikely to be in the same stack. |
| final TaskRecord targetTask; |
| final ActivityRecord bottom = |
| hasChild() && getChildAt(0).hasChild() ? |
| getChildAt(0).getChildAt(0) : null; |
| if (bottom != null && target.taskAffinity.equals(bottom.getTaskRecord().affinity)) { |
| // If the activity currently at the bottom has the |
| // same task affinity as the one we are moving, |
| // then merge it into the same task. |
| targetTask = bottom.getTaskRecord(); |
| if (DEBUG_TASKS) Slog.v(TAG_TASKS, "Start pushing activity " + target |
| + " out to bottom task " + targetTask); |
| } else { |
| targetTask = createTaskRecord( |
| mStackSupervisor.getNextTaskIdForUserLocked(target.mUserId), |
| target.info, null /* intent */, null /* voiceSession */, |
| null /* voiceInteractor */, false /* toTop */); |
| targetTask.affinityIntent = target.intent; |
| numTasksCreated++; |
| if (DEBUG_TASKS) Slog.v(TAG_TASKS, "Start pushing activity " + target |
| + " out to new task " + targetTask); |
| } |
| |
| boolean noOptions = canMoveOptions; |
| final int start = replyChainEnd < 0 ? i : replyChainEnd; |
| for (int srcPos = start; srcPos >= i; --srcPos) { |
| final ActivityRecord p = task.getChildAt(srcPos); |
| if (p.finishing) { |
| continue; |
| } |
| |
| canMoveOptions = false; |
| if (noOptions && topOptions == null) { |
| topOptions = p.takeOptionsLocked(false /* fromClient */); |
| if (topOptions != null) { |
| noOptions = false; |
| } |
| } |
| if (DEBUG_ADD_REMOVE) Slog.i(TAG_ADD_REMOVE, |
| "Removing activity " + p + " from task=" + task + " adding to task=" |
| + targetTask + " Callers=" + Debug.getCallers(4)); |
| if (DEBUG_TASKS) Slog.v(TAG_TASKS, |
| "Pushing next activity " + p + " out to target's task " + target); |
| p.reparent(targetTask, 0 /* position - bottom */, "resetTargetTaskIfNeeded"); |
| } |
| |
| positionChildWindowContainerAtBottom(targetTask); |
| mStackSupervisor.mRecentTasks.add(targetTask); |
| replyChainEnd = -1; |
| } else if (forceReset || finishOnTaskLaunch || clearWhenTaskReset) { |
| // If the activity should just be removed -- either |
| // because it asks for it, or the task should be |
| // cleared -- then finish it and anything that is |
| // part of its reply chain. |
| int end; |
| if (clearWhenTaskReset) { |
| // In this case, we want to finish this activity |
| // and everything above it, so be sneaky and pretend |
| // like these are all in the reply chain. |
| end = task.getChildCount() - 1; |
| } else if (replyChainEnd < 0) { |
| end = i; |
| } else { |
| end = replyChainEnd; |
| } |
| boolean noOptions = canMoveOptions; |
| for (int srcPos = i; srcPos <= end; srcPos++) { |
| ActivityRecord p = task.getChildAt(srcPos); |
| if (p.finishing) { |
| continue; |
| } |
| canMoveOptions = false; |
| if (noOptions && topOptions == null) { |
| topOptions = p.takeOptionsLocked(false /* fromClient */); |
| if (topOptions != null) { |
| noOptions = false; |
| } |
| } |
| if (DEBUG_TASKS) Slog.w(TAG_TASKS, |
| "resetTaskIntendedTask: calling finishActivity on " + p); |
| if (p.finishIfPossible("reset-task", false /* oomAdj */) |
| == FINISH_RESULT_REMOVED) { |
| end--; |
| srcPos--; |
| } |
| } |
| replyChainEnd = -1; |
| } else { |
| // If we were in the middle of a chain, well the |
| // activity that started it all doesn't want anything |
| // special, so leave it all as-is. |
| replyChainEnd = -1; |
| } |
| } |
| |
| // Create target stack for the newly created tasks if necessary |
| if (numTasksCreated > 0) { |
| ActivityDisplay display = getDisplay(); |
| final boolean singleTaskInstanceDisplay = display.isSingleTaskInstance(); |
| if (singleTaskInstanceDisplay) { |
| display = mRootActivityContainer.getDefaultDisplay(); |
| } |
| |
| if (singleTaskInstanceDisplay || display.alwaysCreateStack(getWindowingMode(), |
| getActivityType())) { |
| for (int index = numTasksCreated - 1; index >= 0; index--) { |
| final TaskRecord targetTask = getChildAt(index); |
| final ActivityStack targetStack = display.getOrCreateStack(getWindowingMode(), |
| getActivityType(), false /* onTop */); |
| targetTask.reparent(targetStack, false /* toTop */, |
| REPARENT_LEAVE_STACK_IN_PLACE, false /* animate */, |
| true /* deferResume */, "resetTargetTask"); |
| } |
| } |
| } |
| |
| return topOptions; |
| } |
| |
| /** |
| * Helper method for {@link #resetTaskIfNeededLocked(ActivityRecord, ActivityRecord)}. |
| * Processes all of the activities in a given TaskRecord looking for an affinity with the task |
| * of resetTaskIfNeededLocked.taskTop. |
| * @param affinityTask The task we are looking for an affinity to. |
| * @param task Task that resetTaskIfNeededLocked.taskTop belongs to. |
| * @param topTaskIsHigher True if #task has already been processed by resetTaskIfNeededLocked. |
| * @param forceReset Flag indicating if clear task was requested |
| */ |
| // TODO: Consider merging with #resetTargetTaskIfNeededLocked() above |
| private int resetAffinityTaskIfNeededLocked(TaskRecord affinityTask, TaskRecord task, |
| boolean topTaskIsHigher, boolean forceReset, int taskInsertionPoint) { |
| // Tracker of the end of currently handled reply chain (sublist) of activities. What happens |
| // to activities in the same chain will depend on what the end activity of the chain needs. |
| int replyChainEnd = -1; |
| final String taskAffinity = task.affinity; |
| |
| final int numActivities = task.getChildCount(); |
| |
| // Do not operate on or below the effective root Activity. |
| int lastActivityNdx = affinityTask.findRootIndex(true /* effectiveRoot */); |
| if (lastActivityNdx == -1) { |
| lastActivityNdx = 0; |
| } |
| for (int i = numActivities - 1; i > lastActivityNdx; --i) { |
| ActivityRecord target = task.getChildAt(i); |
| // TODO: Why is this needed? Looks like we're breaking the loop before we reach the root |
| if (target.isRootOfTask()) break; |
| |
| final int flags = target.info.flags; |
| boolean finishOnTaskLaunch = (flags & ActivityInfo.FLAG_FINISH_ON_TASK_LAUNCH) != 0; |
| boolean allowTaskReparenting = (flags & ActivityInfo.FLAG_ALLOW_TASK_REPARENTING) != 0; |
| |
| if (target.resultTo != null) { |
| // If this activity is sending a reply to a previous |
| // activity, we can't do anything with it now until |
| // we reach the start of the reply chain. |
| // XXX note that we are assuming the result is always |
| // to the previous activity, which is almost always |
| // the case but we really shouldn't count on. |
| if (replyChainEnd < 0) { |
| replyChainEnd = i; |
| } |
| } else if (topTaskIsHigher |
| && allowTaskReparenting |
| && taskAffinity != null |
| && taskAffinity.equals(target.taskAffinity)) { |
| // This activity has an affinity for our task. Either remove it if we are |
| // clearing or move it over to our task. Note that |
| // we currently punt on the case where we are resetting a |
| // task that is not at the top but who has activities above |
| // with an affinity to it... this is really not a normal |
| // case, and we will need to later pull that task to the front |
| // and usually at that point we will do the reset and pick |
| // up those remaining activities. (This only happens if |
| // someone starts an activity in a new task from an activity |
| // in a task that is not currently on top.) |
| if (forceReset || finishOnTaskLaunch) { |
| final int start = replyChainEnd >= 0 ? replyChainEnd : i; |
| if (DEBUG_TASKS) Slog.v(TAG_TASKS, |
| "Finishing task at index " + start + " to " + i); |
| for (int srcPos = start; srcPos >= i; --srcPos) { |
| final ActivityRecord p = task.getChildAt(srcPos); |
| if (p.finishing) { |
| continue; |
| } |
| p.finishIfPossible("move-affinity", false /* oomAdj */); |
| } |
| } else { |
| if (taskInsertionPoint < 0) { |
| taskInsertionPoint = task.getChildCount(); |
| |
| } |
| |
| final int start = replyChainEnd >= 0 ? replyChainEnd : i; |
| if (DEBUG_TASKS) Slog.v(TAG_TASKS, |
| "Reparenting from task=" + affinityTask + ":" + start + "-" + i |
| + " to task=" + task + ":" + taskInsertionPoint); |
| for (int srcPos = start; srcPos >= i; --srcPos) { |
| final ActivityRecord p = task.getChildAt(srcPos); |
| p.reparent(task, taskInsertionPoint, "resetAffinityTaskIfNeededLocked"); |
| |
| if (DEBUG_ADD_REMOVE) Slog.i(TAG_ADD_REMOVE, |
| "Removing and adding activity " + p + " to stack at " + task |
| + " callers=" + Debug.getCallers(3)); |
| if (DEBUG_TASKS) Slog.v(TAG_TASKS, "Pulling activity " + p |
| + " from " + srcPos + " in to resetting task " + task); |
| } |
| positionChildWindowContainerAtTop(task); |
| |
| // Now we've moved it in to place... but what if this is |
| // a singleTop activity and we have put it on top of another |
| // instance of the same activity? Then we drop the instance |
| // below so it remains singleTop. |
| if (target.info.launchMode == ActivityInfo.LAUNCH_SINGLE_TOP) { |
| final ArrayList<ActivityRecord> taskActivities = task.mChildren; |
| final int targetNdx = taskActivities.indexOf(target); |
| if (targetNdx > 0) { |
| final ActivityRecord p = taskActivities.get(targetNdx - 1); |
| if (p.intent.getComponent().equals(target.intent.getComponent())) { |
| p.finishIfPossible("replace", false /* oomAdj */); |
| } |
| } |
| } |
| } |
| |
| replyChainEnd = -1; |
| } |
| } |
| return taskInsertionPoint; |
| } |
| |
| /** |
| * 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. |
| */ |
| final ActivityRecord resetTaskIfNeededLocked(ActivityRecord taskTop, |
| ActivityRecord newActivity) { |
| final boolean forceReset = |
| (newActivity.info.flags & ActivityInfo.FLAG_CLEAR_TASK_ON_LAUNCH) != 0; |
| final TaskRecord task = taskTop.getTaskRecord(); |
| |
| // False until we evaluate the TaskRecord associated with taskTop. Switches to true |
| // for remaining tasks. Used for later tasks to reparent to task. |
| boolean taskFound = false; |
| |
| // If ActivityOptions are moved out and need to be aborted or moved to taskTop. |
| ActivityOptions topOptions = null; |
| |
| // Preserve the location for reparenting in the new task. |
| int reparentInsertionPoint = -1; |
| |
| for (int i = getChildCount() - 1; i >= 0; --i) { |
| final TaskRecord targetTask = getChildAt(i); |
| |
| if (targetTask == task) { |
| topOptions = resetTargetTaskIfNeededLocked(task, forceReset); |
| taskFound = true; |
| } else { |
| reparentInsertionPoint = resetAffinityTaskIfNeededLocked(targetTask, task, |
| taskFound, forceReset, reparentInsertionPoint); |
| } |
| } |
| |
| int taskNdx = mTaskHistory.indexOf(task); |
| if (taskNdx >= 0) { |
| ActivityRecord newTop = getChildAt(taskNdx).getTopActivity(); |
| 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. |
| if (taskTop != null) { |
| taskTop.updateOptionsLocked(topOptions); |
| } else { |
| topOptions.abort(); |
| } |
| } |
| |
| return taskTop; |
| } |
| |
| /** |
| * Find next proper focusable stack and make it focused. |
| * @return The stack that now got the focus, {@code null} if none found. |
| */ |
| ActivityStack adjustFocusToNextFocusableStack(String reason) { |
| return adjustFocusToNextFocusableStack(reason, false /* allowFocusSelf */); |
| } |
| |
| /** |
| * Find next proper focusable stack and make it focused. |
| * @param allowFocusSelf Is the focus allowed to remain on the same stack. |
| * @return The stack that now got the focus, {@code null} if none found. |
| */ |
| private ActivityStack adjustFocusToNextFocusableStack(String reason, boolean allowFocusSelf) { |
| final ActivityStack stack = |
| mRootActivityContainer.getNextFocusableStack(this, !allowFocusSelf); |
| final String myReason = reason + " adjustFocusToNextFocusableStack"; |
| if (stack == null) { |
| return null; |
| } |
| |
| final ActivityRecord top = stack.topRunningActivityLocked(); |
| |
| if (stack.isActivityTypeHome() && (top == null || !top.visible)) { |
| // If we will be focusing on the home stack next and its current top activity isn't |
| // visible, then use the move the home stack task to top to make the activity visible. |
| stack.getDisplay().moveHomeActivityToTop(reason); |
| return stack; |
| } |
| |
| stack.moveToFront(myReason); |
| // Top display focused stack is changed, update top resumed activity if needed. |
| if (stack.mResumedActivity != null) { |
| mStackSupervisor.updateTopResumedActivityIfNeeded(); |
| // Set focused app directly because if the next focused activity is already resumed |
| // (e.g. the next top activity is on a different display), there won't have activity |
| // state change to update it. |
| mService.setResumedActivityUncheckLocked(stack.mResumedActivity, reason); |
| } |
| return stack; |
| } |
| |
| /** Finish all activities that were started for result from the specified activity. */ |
| final void finishSubActivityLocked(ActivityRecord self, String resultWho, int requestCode) { |
| for (int taskNdx = getChildCount() - 1; taskNdx >= 0; --taskNdx) { |
| final TaskRecord task = getChildAt(taskNdx); |
| for (int activityNdx = task.getChildCount() - 1; activityNdx >= 0; --activityNdx) { |
| final ActivityRecord r = task.getChildAt(activityNdx); |
| if (r.resultTo == self && r.requestCode == requestCode) { |
| if ((r.resultWho == null && resultWho == null) || |
| (r.resultWho != null && r.resultWho.equals(resultWho))) { |
| r.finishIfPossible("request-sub", false /* oomAdj */); |
| } |
| } |
| } |
| } |
| mService.updateOomAdj(); |
| } |
| |
| /** |
| * 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 TaskRecord finishTopCrashedActivityLocked(WindowProcessController app, String reason) { |
| ActivityRecord r = topRunningActivityLocked(); |
| TaskRecord finishedTask = null; |
| if (r == null || r.app != app) { |
| return null; |
| } |
| Slog.w(TAG, " Force finishing activity " |
| + r.intent.getComponent().flattenToShortString()); |
| finishedTask = r.getTaskRecord(); |
| int taskNdx = mTaskHistory.indexOf(finishedTask); |
| final TaskRecord task = finishedTask; |
| int activityNdx = task.mChildren.indexOf(r); |
| getDisplay().mDisplayContent.prepareAppTransition( |
| TRANSIT_CRASHING_ACTIVITY_CLOSE, false /* alwaysKeepCurrent */); |
| r.finishIfPossible(reason, false /* oomAdj */); |
| finishedTask = task; |
| // 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. |
| --activityNdx; |
| if (activityNdx < 0) { |
| do { |
| --taskNdx; |
| if (taskNdx < 0) { |
| break; |
| } |
| activityNdx = getChildAt(taskNdx).getChildCount() - 1; |
| } while (activityNdx < 0); |
| } |
| if (activityNdx >= 0) { |
| r = getChildAt(taskNdx).getChildAt(activityNdx); |
| if (r.isState(STARTED, RESUMED, PAUSING, PAUSED)) { |
| if (!r.isActivityTypeHome() || mService.mHomeProcess != r.app) { |
| Slog.w(TAG, " Force finishing activity " |
| + r.intent.getComponent().flattenToShortString()); |
| r.finishIfPossible(reason, false /* oomAdj */); |
| } |
| } |
| } |
| return finishedTask; |
| } |
| |
| final void finishVoiceTask(IVoiceInteractionSession session) { |
| IBinder sessionBinder = session.asBinder(); |
| boolean didOne = false; |
| for (int taskNdx = getChildCount() - 1; taskNdx >= 0; --taskNdx) { |
| TaskRecord tr = getChildAt(taskNdx); |
| if (tr.voiceSession != null && tr.voiceSession.asBinder() == sessionBinder) { |
| for (int activityNdx = tr.getChildCount() - 1; activityNdx >= 0; --activityNdx) { |
| ActivityRecord r = tr.getChildAt(activityNdx); |
| if (!r.finishing) { |
| r.finishIfPossible("finish-voice", false /* oomAdj */); |
| didOne = true; |
| } |
| } |
| } else { |
| // Check if any of the activities are using voice |
| for (int activityNdx = tr.getChildCount() - 1; activityNdx >= 0; --activityNdx) { |
| ActivityRecord r = tr.getChildAt(activityNdx); |
| if (r.voiceSession != null && r.voiceSession.asBinder() == sessionBinder) { |
| // Inform of cancellation |
| r.clearVoiceSessionLocked(); |
| try { |
| r.app.getThread().scheduleLocalVoiceInteractionStarted( |
| r.appToken, null); |
| } catch (RemoteException re) { |
| // Ok |
| } |
| mService.finishRunningVoiceLocked(); |
| break; |
| } |
| } |
| } |
| } |
| |
| if (didOne) { |
| mService.updateOomAdj(); |
| } |
| } |
| |
| /** Finish all activities in the stack without waiting. */ |
| void finishAllActivitiesImmediately() { |
| boolean noActivitiesInStack = true; |
| for (int taskNdx = getChildCount() - 1; taskNdx >= 0; --taskNdx) { |
| final TaskRecord task = getChildAt(taskNdx); |
| for (int activityNdx = task.getChildCount() - 1; activityNdx >= 0; --activityNdx) { |
| final ActivityRecord r = task.getChildAt(activityNdx); |
| noActivitiesInStack = false; |
| Slog.d(TAG, "finishAllActivitiesImmediatelyLocked: finishing " + r); |
| r.destroyIfPossible("finishAllActivitiesImmediatelyLocked"); |
| } |
| } |
| if (noActivitiesInStack) { |
| remove(); |
| } |
| } |
| |
| /** @return true if the stack behind this one is a standard activity type. */ |
| boolean inFrontOfStandardStack() { |
| final ActivityDisplay display = getDisplay(); |
| if (display == null) { |
| return false; |
| } |
| final int index = display.getIndexOf(this); |
| if (index == 0) { |
| return false; |
| } |
| final ActivityStack stackBehind = display.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. |
| if (srec == null || srec.getTaskRecord().affinity == null || |
| !srec.getTaskRecord().affinity.equals(destAffinity)) { |
| 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 TaskRecord task = srec.getTaskRecord(); |
| 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. |
| int taskIdx = mTaskHistory.indexOf(task); |
| if (taskIdx <= 0) { |
| Slog.w(TAG, "shouldUpRecreateTask: task not in history for " + srec); |
| return false; |
| } |
| final TaskRecord prevTask = getChildAt(taskIdx); |
| if (!task.affinity.equals(prevTask.affinity)) { |
| // These are different apps, so need to recreate. |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| final boolean navigateUpToLocked(ActivityRecord srec, Intent destIntent, int resultCode, |
| Intent resultData) { |
| final TaskRecord task = srec.getTaskRecord(); |
| final ArrayList<ActivityRecord> activities = task.mChildren; |
| final int start = activities.indexOf(srec); |
| if (!mTaskHistory.contains(task) || (start < 0)) { |
| return false; |
| } |
| int finishTo = start - 1; |
| ActivityRecord parent = finishTo < 0 ? null : task.getChildAt(finishTo); |
| boolean foundParentInTask = false; |
| final ComponentName dest = destIntent.getComponent(); |
| if (start > 0 && dest != null) { |
| for (int i = finishTo; i >= 0; i--) { |
| ActivityRecord r = task.getChildAt(i); |
| if (r.info.packageName.equals(dest.getPackageName()) && |
| r.info.name.equals(dest.getClassName())) { |
| finishTo = i; |
| parent = r; |
| foundParentInTask = true; |
| break; |
| } |
| } |
| } |
| |
| // TODO: There is a dup. of this block of code in ActivityTaskManagerService.finishActivity |
| // We should consolidate. |
| IActivityController controller = mService.mController; |
| if (controller != null) { |
| ActivityRecord next = topRunningActivityLocked(srec.appToken, 0); |
| if (next != null) { |
| // ask watcher if this is allowed |
| boolean resumeOK = true; |
| try { |
| resumeOK = controller.activityResuming(next.packageName); |
| } catch (RemoteException e) { |
| mService.mController = null; |
| Watchdog.getInstance().setActivityController(null); |
| } |
| |
| if (!resumeOK) { |
| return false; |
| } |
| } |
| } |
| final long origId = Binder.clearCallingIdentity(); |
| for (int i = start; i > finishTo; i--) { |
| final ActivityRecord r = activities.get(i); |
| r.finishIfPossible(resultCode, resultData, "navigate-up", true /* oomAdj */); |
| // Only return the supplied result for the first activity finished |
| resultCode = Activity.RESULT_CANCELED; |
| resultData = null; |
| } |
| |
| if (parent != null && foundParentInTask) { |
| 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(srec.info.applicationInfo.uid, destIntent, |
| 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 = mService.getActivityStartController() |
| .obtainStarter(destIntent, "navigateUpTo") |
| .setCaller(srec.app.getThread()) |
| .setActivityInfo(aInfo) |
| .setResultTo(parent.appToken) |
| .setCallingPid(-1) |
| .setCallingUid(parent.launchedFromUid) |
| .setCallingPackage(parent.launchedFromPackage) |
| .setRealCallingPid(-1) |
| .setRealCallingUid(parent.launchedFromUid) |
| .setComponentSpecified(true) |
| .execute(); |
| foundParentInTask = res == ActivityManager.START_SUCCESS; |
| } catch (RemoteException e) { |
| foundParentInTask = false; |
| } |
| parent.finishIfPossible(resultCode, resultData, "navigate-top", true /* oomAdj */); |
| } |
| } |
| Binder.restoreCallingIdentity(origId); |
| return foundParentInTask; |
| } |
| |
| /** |
| * Remove any state associated with the {@link ActivityRecord}. This should be called whenever |
| * an activity moves away from the stack. |
| */ |
| void onActivityRemovedFromStack(ActivityRecord r) { |
| removeActivityFromLRUList(r); |
| removeTimeoutsForActivity(r); |
| |
| // TODO(stack-unify): null check will no longer be needed. |
| if (mTaskStack != null) { |
| mTaskStack.mExitingActivities.remove(r); |
| } |
| // TODO(stack-unify): Remove if no bugs showed up... |
| //r.mIsExiting = false; |
| |
| if (mResumedActivity != null && mResumedActivity == r) { |
| setResumedActivity(null, "onActivityRemovedFromStack"); |
| } |
| if (mPausingActivity != null && mPausingActivity == r) { |
| mPausingActivity = null; |
| } |
| } |
| |
| void onActivityAddedToStack(ActivityRecord r) { |
| if(r.getState() == RESUMED) { |
| setResumedActivity(r, "onActivityAddedToStack"); |
| } |
| } |
| |
| /// HANDLER INTERFACE BEGIN |
| void removeTimeoutsForActivity(ActivityRecord r) { |
| mStackSupervisor.removeTimeoutsForActivityLocked(r); |
| removePauseTimeoutForActivity(r); |
| removeStopTimeoutForActivity(r); |
| removeDestroyTimeoutForActivity(r); |
| r.finishLaunchTickingLocked(); |
| } |
| |
| void scheduleDestroyActivities(WindowProcessController owner, String reason) { |
| final Message msg = mHandler.obtainMessage(DESTROY_ACTIVITIES_MSG); |
| msg.obj = new ScheduleDestroyArgs(owner, reason); |
| mHandler.sendMessage(msg); |
| } |
| |
| void scheduleDestroyTimeoutForActivity(ActivityRecord r) { |
| final Message msg = mHandler.obtainMessage(DESTROY_TIMEOUT_MSG, r); |
| mHandler.sendMessageDelayed(msg, DESTROY_TIMEOUT); |
| } |
| |
| void removeDestroyTimeoutForActivity(ActivityRecord r) { |
| mHandler.removeMessages(DESTROY_TIMEOUT_MSG, r); |
| } |
| |
| void scheduleStopTimeoutForActivity(ActivityRecord r) { |
| final Message msg = mHandler.obtainMessage(STOP_TIMEOUT_MSG, r); |
| mHandler.sendMessageDelayed(msg, STOP_TIMEOUT); |
| } |
| |
| void removeStopTimeoutForActivity(ActivityRecord r) { |
| mHandler.removeMessages(STOP_TIMEOUT_MSG, r); |
| } |
| |
| /** |
| * Schedule a pause timeout in case the app doesn't respond. We don't give it much time because |
| * this directly impacts the responsiveness seen by the user. |
| */ |
| private void schedulePauseTimeoutForActivity(ActivityRecord r) { |
| final Message msg = mHandler.obtainMessage(PAUSE_TIMEOUT_MSG, r); |
| r.pauseTime = SystemClock.uptimeMillis(); |
| mHandler.sendMessageDelayed(msg, PAUSE_TIMEOUT); |
| if (DEBUG_PAUSE) Slog.v(TAG_PAUSE, "Waiting for pause to complete..."); |
| } |
| |
| void removePauseTimeoutForActivity(ActivityRecord r) { |
| mHandler.removeMessages(PAUSE_TIMEOUT_MSG, r); |
| } |
| |
| void scheduleLaunchTickForActivity(ActivityRecord r) { |
| final Message msg = mHandler.obtainMessage(LAUNCH_TICK_MSG, r); |
| mHandler.sendMessageDelayed(msg, LAUNCH_TICK); |
| } |
| |
| void removeLaunchTickMessages() { |
| mHandler.removeMessages(LAUNCH_TICK_MSG); |
| } |
| /// HANDLER INTERFACE END |
| |
| private void destroyActivitiesLocked(WindowProcessController owner, String reason) { |
| boolean lastIsOpaque = false; |
| boolean activityRemoved = false; |
| for (int taskNdx = getChildCount() - 1; taskNdx >= 0; --taskNdx) { |
| final TaskRecord task = getChildAt(taskNdx); |
| for (int activityNdx = task.getChildCount() - 1; activityNdx >= 0; --activityNdx) { |
| final ActivityRecord r = task.getChildAt(activityNdx); |
| if (r.finishing) { |
| continue; |
| } |
| if (r.occludesParent()) { |
| lastIsOpaque = true; |
| } |
| if (owner != null && r.app != owner) { |
| continue; |
| } |
| if (!lastIsOpaque) { |
| continue; |
| } |
| if (r.isDestroyable()) { |
| if (DEBUG_SWITCH) Slog.v(TAG_SWITCH, "Destroying " + r |
| + " in state " + r.getState() |
| + " resumed=" + mResumedActivity |
| + " pausing=" + mPausingActivity + " for reason " + reason); |
| if (r.destroyImmediately(true /* removeFromTask */, reason)) { |
| activityRemoved = true; |
| } |
| } |
| } |
| } |
| if (activityRemoved) { |
| mRootActivityContainer.resumeFocusedStacksTopActivities(); |
| } |
| } |
| |
| final int releaseSomeActivitiesLocked(WindowProcessController app, ArraySet<TaskRecord> tasks, |
| String reason) { |
| // Iterate over tasks starting at the back (oldest) first. |
| if (DEBUG_RELEASE) Slog.d(TAG_RELEASE, "Trying to release some activities in " + app); |
| int maxTasks = tasks.size() / 4; |
| if (maxTasks < 1) { |
| maxTasks = 1; |
| } |
| int numReleased = 0; |
| for (int taskNdx = 0; taskNdx < getChildCount() && maxTasks > 0; taskNdx++) { |
| final TaskRecord task = getChildAt(taskNdx); |
| if (!tasks.contains(task)) { |
| continue; |
| } |
| if (DEBUG_RELEASE) Slog.d(TAG_RELEASE, "Looking for activities to release in " + task); |
| int curNum = 0; |
| for (int actNdx = 0; actNdx < task.getChildCount(); actNdx++) { |
| final ActivityRecord activity = task.getChildAt(actNdx); |
| if (activity.app == app && activity.isDestroyable()) { |
| if (DEBUG_RELEASE) Slog.v(TAG_RELEASE, "Destroying " + activity |
| + " in state " + activity.getState() + " resumed=" + mResumedActivity |
| + " pausing=" + mPausingActivity + " for reason " + reason); |
| activity.destroyImmediately(true /* removeFromApp */, reason); |
| if (task.getChildAt(actNdx) != activity) { |
| // Was removed from list, back up so we don't miss the next one. |
| actNdx--; |
| } |
| curNum++; |
| } |
| } |
| if (curNum > 0) { |
| numReleased += curNum; |
| maxTasks--; |
| if (getChildAt(taskNdx) != task) { |
| // The entire task got removed, back up so we don't miss the next one. |
| taskNdx--; |
| } |
| } |
| } |
| if (DEBUG_RELEASE) Slog.d(TAG_RELEASE, |
| "Done releasing: did " + numReleased + " activities"); |
| return numReleased; |
| } |
| |
| private void removeHistoryRecordsForAppLocked(ArrayList<ActivityRecord> list, |
| WindowProcessController app, String listName) { |
| int i = list.size(); |
| if (DEBUG_CLEANUP) Slog.v(TAG_CLEANUP, |
| "Removing app " + app + " from list " + listName + " with " + i + " entries"); |
| while (i > 0) { |
| i--; |
| ActivityRecord r = list.get(i); |
| if (DEBUG_CLEANUP) Slog.v(TAG_CLEANUP, "Record #" + i + " " + r); |
| if (r.app == app) { |
| if (DEBUG_CLEANUP) Slog.v(TAG_CLEANUP, "---> REMOVING this entry!"); |
| list.remove(i); |
| removeTimeoutsForActivity(r); |
| } |
| } |
| } |
| |
| private boolean removeHistoryRecordsForAppLocked(WindowProcessController app) { |
| removeHistoryRecordsForAppLocked(mLRUActivities, app, "mLRUActivities"); |
| removeHistoryRecordsForAppLocked(mStackSupervisor.mStoppingActivities, app, |
| "mStoppingActivities"); |
| removeHistoryRecordsForAppLocked(mStackSupervisor.mGoingToSleepActivities, app, |
| "mGoingToSleepActivities"); |
| removeHistoryRecordsForAppLocked(mStackSupervisor.mFinishingActivities, app, |
| "mFinishingActivities"); |
| |
| final boolean isProcessRemoved = app.isRemoved(); |
| if (isProcessRemoved) { |
| // 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(); |
| } |
| |
| boolean hasVisibleActivities = false; |
| |
| // Clean out the history list. |
| int i = numActivities(); |
| if (DEBUG_CLEANUP) Slog.v(TAG_CLEANUP, |
| "Removing app " + app + " from history with " + i + " entries"); |
| for (int taskNdx = getChildCount() - 1; taskNdx >= 0; --taskNdx) { |
| final ArrayList<ActivityRecord> activities = getChildAt(taskNdx).mChildren; |
| mTmpActivities.clear(); |
| mTmpActivities.addAll(activities); |
| |
| while (!mTmpActivities.isEmpty()) { |
| final int targetIndex = mTmpActivities.size() - 1; |
| final ActivityRecord r = mTmpActivities.remove(targetIndex); |
| if (DEBUG_CLEANUP) Slog.v(TAG_CLEANUP, |
| "Record #" + targetIndex + " " + r + ": app=" + r.app); |
| |
| if (r.app == app) { |
| if (r.visible) { |
| hasVisibleActivities = 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.visible && 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 at " + i |
| + ": hasSavedState=" + r.hasSavedState() |
| + " stateNotNeeded=" + r.stateNotNeeded |
| + " finishing=" + r.finishing |
| + " state=" + r.getState() + " callers=" + Debug.getCallers(5)); |
| if (!r.finishing || isProcessRemoved) { |
| Slog.w(TAG, "Force removing " + r + ": app died, no saved state"); |
| EventLog.writeEvent(EventLogTags.AM_FINISH_ACTIVITY, |
| r.mUserId, System.identityHashCode(r), |
| r.getTaskRecord().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.visible; |
| } |
| r.cleanUp(true /* cleanServices */, true /* setState */); |
| if (remove) { |
| r.removeFromHistory("appDied"); |
| } |
| } |
| } |
| } |
| |
| return hasVisibleActivities; |
| } |
| |
| private void updateTransitLocked(int transit, ActivityOptions options) { |
| if (options != null) { |
| ActivityRecord r = topRunningActivityLocked(); |
| if (r != null && !r.isState(RESUMED)) { |
| r.updateOptionsLocked(options); |
| } else { |
| ActivityOptions.abort(options); |
| } |
| } |
| getDisplay().mDisplayContent.prepareAppTransition(transit, false); |
| } |
| |
| final void moveTaskToFrontLocked(TaskRecord tr, boolean noAnimation, ActivityOptions options, |
| AppTimeTracker timeTracker, String reason) { |
| if (DEBUG_SWITCH) Slog.v(TAG_SWITCH, "moveTaskToFront: " + tr); |
| |
| final ActivityStack topStack = getDisplay().getTopStack(); |
| final ActivityRecord topActivity = topStack != null ? topStack.getTopActivity() : null; |
| final int numTasks = getChildCount(); |
| final int index = mTaskHistory.indexOf(tr); |
| if (numTasks == 0 || index < 0) { |
| // nothing to do! |
| if (noAnimation) { |
| ActivityOptions.abort(options); |
| } else { |
| updateTransitLocked(TRANSIT_TASK_TO_FRONT, options); |
| } |
| return; |
| } |
| |
| if (timeTracker != null) { |
| // The caller wants a time tracker associated with this task. |
| for (int i = tr.getChildCount() - 1; i >= 0; i--) { |
| tr.getChildAt(i).appTimeTracker = timeTracker; |
| } |
| } |
| |
| 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. |
| insertTaskAtTop(tr, null); |
| |
| // Don't refocus if invisible to current user |
| final ActivityRecord top = tr.getTopActivity(); |
| if (top == null || !top.okToShowLocked()) { |
| if (top != null) { |
| mStackSupervisor.mRecentTasks.add(top.getTaskRecord()); |
| } |
| ActivityOptions.abort(options); |
| return; |
| } |
| |
| // Set focus to the top running activity of this stack. |
| final ActivityRecord r = topRunningActivityLocked(); |
| 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 { |
| updateTransitLocked(TRANSIT_TASK_TO_FRONT, options); |
| } |
| // 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; |
| } |
| |
| mRootActivityContainer.resumeFocusedStacksTopActivities(); |
| EventLog.writeEvent(EventLogTags.AM_TASK_TO_FRONT, tr.mUserId, tr.mTaskId); |
| mService.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 taskId The taskId to collect and move to the bottom. |
| * @return Returns true if the move completed, false if not. |
| */ |
| final boolean moveTaskToBackLocked(int taskId) { |
| final TaskRecord tr = taskForIdLocked(taskId); |
| if (tr == null) { |
| Slog.i(TAG, "moveTaskToBack: bad taskId=" + taskId); |
| return false; |
| } |
| 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 (!mService.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 (isTopStackOnDisplay() && mService.mController != null) { |
| ActivityRecord next = topRunningActivityLocked(null, taskId); |
| if (next == null) { |
| next = topRunningActivityLocked(null, 0); |
| } |
| if (next != null) { |
| // ask watcher if this is allowed |
| boolean moveOK = true; |
| try { |
| moveOK = mService.mController.activityResuming(next.packageName); |
| } catch (RemoteException e) { |
| mService.mController = null; |
| Watchdog.getInstance().setActivityController(null); |
| } |
| if (!moveOK) { |
| return false; |
| } |
| } |
| } |
| |
| if (DEBUG_TRANSITION) Slog.v(TAG_TRANSITION, "Prepare to back transition: task=" + taskId); |
| |
| mTaskHistory.remove(tr); |
| mTaskHistory.add(0, tr); |
| tr.updateTaskMovement(false); |
| |
| getDisplay().mDisplayContent.prepareAppTransition(TRANSIT_TASK_TO_BACK, false); |
| moveToBack("moveTaskToBackLocked", tr); |
| |
| if (inPinnedWindowingMode()) { |
| mStackSupervisor.removeStack(this); |
| return true; |
| } |
| |
| ActivityRecord topActivity = getDisplay().topRunningActivity(); |
| ActivityStack topStack = topActivity.getActivityStack(); |
| 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. |
| mRootActivityContainer.ensureVisibilityAndConfig(null /* starting */, |
| getDisplay().mDisplayId, false /* markFrozenIfConfigChanged */, |
| false /* deferResume */); |
| } |
| |
| mRootActivityContainer.resumeFocusedStacksTopActivities(); |
| return true; |
| } |
| |
| /** |
| * Ensures all visible activities at or below the input activity have the right configuration. |
| */ |
| void ensureVisibleActivitiesConfigurationLocked(ActivityRecord start, boolean preserveWindow) { |
| if (start == null || !start.visible) { |
| return; |
| } |
| |
| final TaskRecord startTask = start.getTaskRecord(); |
| boolean behindFullscreen = false; |
| boolean updatedConfig = false; |
| |
| for (int taskIndex = mTaskHistory.indexOf(startTask); taskIndex >= 0; --taskIndex) { |
| final TaskRecord task = getChildAt(taskIndex); |
| final ArrayList<ActivityRecord> activities = task.mChildren; |
| int activityIndex = (start.getTaskRecord() == task) |
| ? activities.indexOf(start) : activities.size() - 1; |
| for (; activityIndex >= 0; --activityIndex) { |
| final ActivityRecord r = activities.get(activityIndex); |
| updatedConfig |= r.ensureActivityConfiguration(0 /* globalChanges */, |
| preserveWindow); |
| if (r.occludesParent()) { |
| behindFullscreen = true; |
| break; |
| } |
| } |
| if (behindFullscreen) { |
| break; |
| } |
| } |
| if (updatedConfig) { |
| // Ensure the resumed state of the focus activity if we updated the configuration of |
| // any activity. |
| mRootActivityContainer.resumeFocusedStacksTopActivities(); |
| } |
| } |
| |
| // 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 bounds, Rect tempTaskBounds, Rect tempTaskInsetBounds, |
| boolean preserveWindows, boolean deferResume) { |
| if (!updateBoundsAllowed(bounds)) { |
| return; |
| } |
| |
| Trace.traceBegin(TRACE_TAG_WINDOW_MANAGER, "stack.resize_" + mStackId); |
| mService.deferWindowLayout(); |
| try { |
| // Update override configurations of all tasks in the stack. |
| final Rect taskBounds = tempTaskBounds != null ? tempTaskBounds : bounds; |
| for (int i = getChildCount() - 1; i >= 0; i--) { |
| final TaskRecord task = getChildAt(i); |
| if (task.isResizeable()) { |
| if (tempTaskInsetBounds != null && !tempTaskInsetBounds.isEmpty()) { |
| task.setOverrideDisplayedBounds(taskBounds); |
| task.setBounds(tempTaskInsetBounds); |
| } else { |
| task.setOverrideDisplayedBounds(null); |
| task.setBounds(taskBounds); |
| } |
| } |
| } |
| |
| setBounds(bounds); |
| |
| if (!deferResume) { |
| ensureVisibleActivitiesConfigurationLocked( |
| topRunningActivityLocked(), preserveWindows); |
| } |
| } finally { |
| mService.continueWindowLayout(); |
| Trace.traceEnd(TRACE_TAG_WINDOW_MANAGER); |
| } |
| } |
| |
| void onPipAnimationEndResize() { |
| if (mTaskStack == null) return; |
| mTaskStack.onPipAnimationEndResize(); |
| } |
| |
| |
| /** |
| * 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. |
| */ |
| void setTaskBounds(Rect bounds) { |
| if (!updateBoundsAllowed(bounds)) { |
| return; |
| } |
| |
| for (int i = getChildCount() - 1; i >= 0; i--) { |
| final TaskRecord task = getChildAt(i); |
| if (task.isResizeable()) { |
| task.setBounds(bounds); |
| } else { |
| task.setBounds(null); |
| } |
| } |
| } |
| |
| /** Helper to setDisplayedBounds on all child tasks */ |
| void setTaskDisplayedBounds(Rect bounds) { |
| if (!updateDisplayedBoundsAllowed(bounds)) { |
| return; |
| } |
| |
| for (int i = getChildCount() - 1; i >= 0; i--) { |
| final TaskRecord task = getChildAt(i); |
| if (bounds == null || bounds.isEmpty()) { |
| task.setOverrideDisplayedBounds(null); |
| } else if (task.isResizeable()) { |
| task.setOverrideDisplayedBounds(bounds); |
| } |
| } |
| } |
| |
| boolean willActivityBeVisibleLocked(IBinder token) { |
| for (int taskNdx = getChildCount() - 1; taskNdx >= 0; --taskNdx) { |
| final TaskRecord task = getChildAt(taskNdx); |
| for (int activityNdx = task.getChildCount() - 1; activityNdx >= 0; --activityNdx) { |
| final ActivityRecord r = task.getChildAt(activityNdx); |
| if (r.appToken == token) { |
| return true; |
| } |
| if (r.occludesParent() && !r.finishing) { |
| return false; |
| } |
| } |
| } |
| final ActivityRecord r = ActivityRecord.forTokenLocked(token); |
| if (r == null) { |
| return false; |
| } |
| if (r.finishing) Slog.e(TAG, "willActivityBeVisibleLocked: Returning false," |
| + " would have returned true for r=" + r); |
| return !r.finishing; |
| } |
| |
| void closeSystemDialogsLocked() { |
| for (int taskNdx = getChildCount() - 1; taskNdx >= 0; --taskNdx) { |
| final TaskRecord task = getChildAt(taskNdx); |
| for (int activityNdx = task.getChildCount() - 1; activityNdx >= 0; --activityNdx) { |
| final ActivityRecord r = task.getChildAt(activityNdx); |
| if ((r.info.flags&ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS) != 0) { |
| r.finishIfPossible("close-sys", true /* oomAdj */); |
| } |
| } |
| } |
| } |
| |
| boolean finishDisabledPackageActivitiesLocked(String packageName, Set<String> filterByClasses, |
| boolean doit, boolean evenPersistent, int userId) { |
| boolean didSomething = false; |
| TaskRecord lastTask = null; |
| ComponentName homeActivity = null; |
| for (int taskNdx = getChildCount() - 1; taskNdx >= 0; --taskNdx) { |
| final ArrayList<ActivityRecord> activities = getChildAt(taskNdx).mChildren; |
| mTmpActivities.clear(); |
| mTmpActivities.addAll(activities); |
| |
| while (!mTmpActivities.isEmpty()) { |
| ActivityRecord r = mTmpActivities.remove(0); |
| final boolean sameComponent = |
| (r.packageName.equals(packageName) && (filterByClasses == null |
| || filterByClasses.contains(r.mActivityComponent.getClassName()))) |
| || (packageName == null && r.mUserId == userId); |
| if ((userId == UserHandle.USER_ALL || r.mUserId == userId) |
| && (sameComponent || r.getTaskRecord() == lastTask) |
| && (r.app == null || evenPersistent || !r.app.isPersistent())) { |
| if (!doit) { |
| if (r.finishing) { |
| // If this activity is just finishing, then it is not |
| // interesting as far as something to stop. |
| continue; |
| } |
| return true; |
| } |
| if (r.isActivityTypeHome()) { |
| if (homeActivity != null && homeActivity.equals(r.mActivityComponent)) { |
| Slog.i(TAG, "Skip force-stop again " + r); |
| continue; |
| } else { |
| homeActivity = r.mActivityComponent; |
| } |
| } |
| didSomething = true; |
| Slog.i(TAG, " Force finishing activity " + r); |
| lastTask = r.getTaskRecord(); |
| r.finishIfPossible("force-stop", true); |
| } |
| } |
| } |
| return didSomething; |
| } |
| |
| /** |
| * @return The set of running tasks through {@param tasksOut} that are available to the caller. |
| * If {@param ignoreActivityType} or {@param ignoreWindowingMode} are not undefined, |
| * then skip running tasks that match those types. |
| */ |
| void getRunningTasks(List<TaskRecord> tasksOut, @ActivityType int ignoreActivityType, |
| @WindowingMode int ignoreWindowingMode, int callingUid, boolean allowed, |
| boolean crossUser, ArraySet<Integer> profileIds) { |
| boolean focusedStack = mRootActivityContainer.getTopDisplayFocusedStack() == this; |
| boolean topTask = true; |
| int userId = UserHandle.getUserId(callingUid); |
| for (int taskNdx = getChildCount() - 1; taskNdx >= 0; --taskNdx) { |
| final TaskRecord task = getChildAt(taskNdx); |
| if (task.getTopActivity() == null) { |
| // Skip if there are no activities in the task |
| continue; |
| } |
| if (task.effectiveUid != callingUid) { |
| if (task.mUserId != userId && !crossUser && !profileIds.contains(task.mUserId)) { |
| // Skip if the caller does not have cross user permission or cannot access |
| // the task's profile |
| continue; |
| } |
| if (!allowed && !task.isActivityTypeHome()) { |
| // Skip if the caller isn't allowed to fetch this task, except for the home |
| // task which we always return. |
| continue; |
| } |
| } |
| if (ignoreActivityType != ACTIVITY_TYPE_UNDEFINED |
| && task.getActivityType() == ignoreActivityType) { |
| // Skip ignored activity type |
| continue; |
| } |
| if (ignoreWindowingMode != WINDOWING_MODE_UNDEFINED |
| && task.getWindowingMode() == ignoreWindowingMode) { |
| // Skip ignored windowing mode |
| continue; |
| } |
| if (focusedStack && topTask) { |
| // For the focused stack top task, update the last stack active time so that it can |
| // be used to determine the order of the tasks (it may not be set for newly created |
| // tasks) |
| task.touchActiveTime(); |
| topTask = false; |
| } |
| tasksOut.add(task); |
| } |
| } |
| |
| void unhandledBackLocked() { |
| final int top = getChildCount() - 1; |
| if (DEBUG_SWITCH) Slog.d(TAG_SWITCH, "Performing unhandledBack(): top activity at " + top); |
| if (top >= 0) { |
| final TaskRecord task = getChildAt(top); |
| int activityTop = task.getChildCount() - 1; |
| if (activityTop >= 0) { |
| task.getChildAt(activityTop).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 handleAppDiedLocked(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; |
| } |
| |
| return removeHistoryRecordsForAppLocked(app); |
| } |
| |
| void handleAppCrash(WindowProcessController app) { |
| for (int taskNdx = getChildCount() - 1; taskNdx >= 0; --taskNdx) { |
| final TaskRecord task = getChildAt(taskNdx); |
| for (int activityNdx = task.getChildCount() - 1; activityNdx >= 0; --activityNdx) { |
| final ActivityRecord r = task.getChildAt(activityNdx); |
| if (r.app == app) { |
| Slog.w(TAG, " Force finishing activity " |
| + r.intent.getComponent().flattenToShortString()); |
| // Force the destroy to skip right to removal. |
| r.app = null; |
| getDisplay().mDisplayContent.prepareAppTransition( |
| TRANSIT_CRASHING_ACTIVITY_CLOSE, false /* alwaysKeepCurrent */); |
| r.destroyIfPossible("handleAppCrashedLocked"); |
| } |
| } |
| } |
| } |
| |
| boolean dump(FileDescriptor fd, PrintWriter pw, boolean dumpAll, boolean dumpClient, |
| String dumpPackage, boolean needSep) { |
| pw.println(" Stack #" + mStackId |
| + ": type=" + activityTypeToString(getActivityType()) |
| + " mode=" + windowingModeToString(getWindowingMode())); |
| pw.println(" isSleeping=" + shouldSleepActivities()); |
| pw.println(" mBounds=" + getRequestedOverrideBounds()); |
| |
| boolean printed = dumpActivitiesLocked(fd, pw, dumpAll, dumpClient, dumpPackage, |
| needSep); |
| |
| printed |= dumpHistoryList(fd, pw, mLRUActivities, " ", "Run", false, |
| !dumpAll, false, dumpPackage, true, |
| " Running activities (most recent first):", null); |
| |
| needSep = printed; |
| boolean pr = printThisActivity(pw, mPausingActivity, dumpPackage, needSep, |
| " mPausingActivity: "); |
| if (pr) { |
| printed = true; |
| needSep = false; |
| } |
| pr = printThisActivity(pw, getResumedActivity(), dumpPackage, needSep, |
| " mResumedActivity: "); |
| if (pr) { |
| printed = true; |
| needSep = false; |
| } |
| if (dumpAll) { |
| pr = printThisActivity(pw, mLastPausedActivity, dumpPackage, needSep, |
| " mLastPausedActivity: "); |
| if (pr) { |
| printed = true; |
| needSep = true; |
| } |
| printed |= printThisActivity(pw, mLastNoHistoryActivity, dumpPackage, |
| needSep, " mLastNoHistoryActivity: "); |
| } |
| return printed; |
| } |
| |
| boolean dumpActivitiesLocked(FileDescriptor fd, PrintWriter pw, boolean dumpAll, |
| boolean dumpClient, String dumpPackage, boolean needSep) { |
| |
| if (!hasChild()) { |
| return false; |
| } |
| final String prefix = " "; |
| for (int taskNdx = getChildCount() - 1; taskNdx >= 0; --taskNdx) { |
| final TaskRecord task = getChildAt(taskNdx); |
| if (needSep) { |
| pw.println(""); |
| } |
| pw.println(prefix + "Task id #" + task.mTaskId); |
| pw.println(prefix + "mBounds=" + task.getRequestedOverrideBounds()); |
| pw.println(prefix + "mMinWidth=" + task.mMinWidth); |
| pw.println(prefix + "mMinHeight=" + task.mMinHeight); |
| pw.println(prefix + "mLastNonFullscreenBounds=" + task.mLastNonFullscreenBounds); |
| pw.println(prefix + "* " + task); |
| task.dump(pw, prefix + " "); |
| dumpHistoryList(fd, pw, getChildAt(taskNdx).mChildren, |
| prefix, "Hist", true, !dumpAll, dumpClient, dumpPackage, false, null, task); |
| } |
| return true; |
| } |
| |
| ArrayList<ActivityRecord> getDumpActivitiesLocked(String name) { |
| ArrayList<ActivityRecord> activities = new ArrayList<>(); |
| |
| if ("all".equals(name)) { |
| for (int taskNdx = getChildCount() - 1; taskNdx >= 0; --taskNdx) { |
| activities.addAll(getChildAt(taskNdx).mChildren); |
| } |
| } else if ("top".equals(name)) { |
| final int top = getChildCount() - 1; |
| if (top >= 0) { |
| final TaskRecord task = getChildAt(top); |
| int listTop = task.getChildCount() - 1; |
| if (listTop >= 0) { |
| activities.add(task.getChildAt(listTop)); |
| } |
| } |
| } else { |
| ItemMatcher matcher = new ItemMatcher(); |
| matcher.build(name); |
| |
| for (int taskNdx = getChildCount() - 1; taskNdx >= 0; --taskNdx) { |
| final TaskRecord task = getChildAt(taskNdx); |
| for (int activityNdx = task.getChildCount() - 1; activityNdx >= 0; --activityNdx) { |
| final ActivityRecord r1 = task.getChildAt(activityNdx); |
| if (matcher.match(r1, r1.intent.getComponent())) { |
| activities.add(r1); |
| } |
| } |
| } |
| } |
| |
| return activities; |
| } |
| |
| ActivityRecord restartPackage(String packageName) { |
| ActivityRecord starting = topRunningActivityLocked(); |
| |
| // All activities that came from the package must be |
| // restarted as if there was a config change. |
| for (int taskNdx = getChildCount() - 1; taskNdx >= 0; --taskNdx) { |
| final TaskRecord task = getChildAt(taskNdx); |
| for (int activityNdx = task.getChildCount() - 1; activityNdx >= 0; --activityNdx) { |
| final ActivityRecord a = task.getChildAt(activityNdx); |
| if (a.info.packageName.equals(packageName)) { |
| a.forceNewConfig = true; |
| if (starting != null && a == starting && a.visible) { |
| a.startFreezingScreenLocked(CONFIG_SCREEN_LAYOUT); |
| } |
| } |
| } |
| } |
| |
| return starting; |
| } |
| |
| // TODO(stack-unify): Merge into removeChild method below. |
| void onChildRemoved(TaskRecord child, DisplayContent dc) { |
| mTaskHistory.remove(child); |
| EventLog.writeEvent(EventLogTags.AM_REMOVE_TASK, child.mTaskId, mStackId); |
| |
| ActivityDisplay display = getDisplay(); |
| if (display == null && dc != null) { |
| display = dc.mActivityDisplay; |
| } |
| |
| if (display.isSingleTaskInstance()) { |
| mService.notifySingleTaskDisplayEmpty(display.mDisplayId); |
| } |
| |
| display.mDisplayContent.setLayoutNeeded(); |
| |
| if (!hasChild()) { |
| // Stack is now empty... |
| remove(); |
| } |
| } |
| |
| /** |
| * Removes the input task from this stack. |
| * |
| * @param task to remove. |
| * @param reason for removal. |
| */ |
| void removeChild(TaskRecord task, String reason) { |
| final ActivityDisplay display = getDisplay(); |
| final boolean topFocused = mRootActivityContainer.isTopDisplayFocusedStack(this); |
| mTaskStack.removeChild(task); |
| moveHomeStackToFrontIfNeeded(topFocused, display, reason); |
| } |
| |
| void moveHomeStackToFrontIfNeeded( |
| boolean wasTopFocusedStack, ActivityDisplay display, String reason) { |
| if (!hasChild() && wasTopFocusedStack) { |
| // We only need to adjust focused stack if this stack is in focus and we are not in the |
| // process of moving the task to the top of the stack that will be focused. |
| String myReason = reason + " leftTaskHistoryEmpty"; |
| if (!inMultiWindowMode() || adjustFocusToNextFocusableStack(myReason) == null) { |
| display.moveHomeStackToFront(myReason); |
| } |
| } |
| } |
| |
| TaskRecord createTaskRecord(int taskId, ActivityInfo info, Intent intent, |
| IVoiceInteractionSession voiceSession, IVoiceInteractor voiceInteractor, |
| boolean toTop) { |
| return createTaskRecord(taskId, info, intent, voiceSession, voiceInteractor, toTop, |
| null /*activity*/, null /*source*/, null /*options*/); |
| } |
| |
| TaskRecord createTaskRecord(int taskId, ActivityInfo info, Intent intent, |
| IVoiceInteractionSession voiceSession, IVoiceInteractor voiceInteractor, |
| boolean toTop, ActivityRecord activity, ActivityRecord source, |
| ActivityOptions options) { |
| final TaskRecord task = TaskRecord.create( |
| mService, taskId, info, intent, voiceSession, voiceInteractor, this); |
| // add the task to stack first, mTaskPositioner might need the stack association |
| addChild(task, toTop, (info.flags & FLAG_SHOW_FOR_ALL_USERS) != 0); |
| final int displayId = mDisplayId != INVALID_DISPLAY ? mDisplayId : DEFAULT_DISPLAY; |
| final boolean isLockscreenShown = mService.mStackSupervisor.getKeyguardController() |
| .isKeyguardOrAodShowing(displayId); |
| if (!mStackSupervisor.getLaunchParamsController() |
| .layoutTask(task, info.windowLayout, activity, source, options) |
| && !matchParentBounds() && task.isResizeable() && !isLockscreenShown) { |
| task.setBounds(getRequestedOverrideBounds()); |
| } |
| return task; |
| } |
| |
| ArrayList<TaskRecord> getAllTasks() { |
| return new ArrayList<>(mTaskHistory); |
| } |
| |
| // TODO(stack-unify): Merge with addChild below. |
| void onChildAdded(TaskRecord task, int position) { |
| final boolean toTop = position >= getChildCount(); |
| mTaskHistory.add(position, task); |
| |
| // TODO: Feels like this should go in TaskRecord#onParentChanged |
| task.updateTaskMovement(toTop); |
| } |
| |
| void addChild(final TaskRecord task, final boolean toTop, boolean showForAllUsers) { |
| if (isSingleTaskInstance() && hasChild()) { |
| throw new IllegalStateException("Can only have one child on stack=" + this); |
| } |
| |
| final int position = |
| getAdjustedPositionForTask(task, toTop ? MAX_VALUE : 0, null /* starting */); |
| |
| // We only want to move the parents to the parents if we are creating this task at the |
| // top of its stack. |
| mTaskStack.addChild(task, position, showForAllUsers, toTop /*moveParents*/); |
| |
| if (toTop) { |
| // TODO: figure-out a way to remove this call. |
| positionChildWindowContainerAtTop(task); |
| } |
| } |
| |
| void positionChildAt(TaskRecord task, int index) { |
| |
| 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; |
| insertTaskAtPosition(task, index); |
| |
| // 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. |
| ensureActivitiesVisibleLocked(null, 0, !PRESERVE_WINDOWS); |
| mRootActivityContainer.resumeFocusedStacksTopActivities(); |
| } |
| |
| public void setAlwaysOnTop(boolean alwaysOnTop) { |
| if (isAlwaysOnTop() == alwaysOnTop) { |
| return; |
| } |
| super.setAlwaysOnTop(alwaysOnTop); |
| final ActivityDisplay display = getDisplay(); |
| // 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 ActivityDisplay#getTopInsertPosition()} in both cases, we can just |
| // request that the stack is put at top here. |
| display.positionChildAtTop(this, false /* includingParents */); |
| } |
| |
| /** NOTE: Should only be called from {@link TaskRecord#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"); |
| updateLRUListLocked(r); |
| } |
| // If the activity was previously pausing, then ensure we transfer that as well |
| if (setPause) { |
| mPausingActivity = r; |
| schedulePauseTimeoutForActivity(r); |
| } |
| // 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 == mRootActivityContainer.getTopResumedActivity()) { |
| mService.setResumedActivityUncheckLocked(r, reason); |
| } |
| } |
| |
| void animateResizePinnedStack(Rect sourceHintBounds, Rect toBounds, int animationDuration, |
| boolean fromFullscreen) { |
| if (!inPinnedWindowingMode()) return; |
| if (toBounds == null /* toFullscreen */) { |
| final Configuration parentConfig = getParent().getConfiguration(); |
| final ActivityRecord top = topRunningNonOverlayTaskActivity(); |
| if (top != null && !top.isConfigurationCompatible(parentConfig)) { |
| // The final orientation of this activity will change after moving to full screen. |
| // Start freezing screen here to prevent showing a temporary full screen window. |
| top.startFreezingScreenLocked(CONFIG_SCREEN_LAYOUT); |
| mService.moveTasksToFullscreenStack(mStackId, true /* onTop */); |
| return; |
| } |
| } |
| if (getTaskStack() == null) return; |
| getTaskStack().animateResizePinnedStack(toBounds, sourceHintBounds, |
| animationDuration, fromFullscreen); |
| } |
| |
| /** |
| * Get current bounds of this stack, return empty when it is unavailable. |
| * @see TaskStack#getAnimationOrCurrentBounds(Rect) |
| */ |
| void getAnimationOrCurrentBounds(Rect outBounds) { |
| final TaskStack stack = getTaskStack(); |
| if (stack == null) { |
| outBounds.setEmpty(); |
| return; |
| } |
| stack.getAnimationOrCurrentBounds(outBounds); |
| } |
| |
| void setPictureInPictureAspectRatio(float aspectRatio) { |
| if (getTaskStack() == null) return; |
| getTaskStack().setPictureInPictureAspectRatio(aspectRatio); |
| } |
| |
| void setPictureInPictureActions(List<RemoteAction> actions) { |
| if (getTaskStack() == null) return; |
| getTaskStack().setPictureInPictureActions(actions); |
| } |
| |
| boolean isAnimatingBoundsToFullscreen() { |
| if (getTaskStack() == null) return false; |
| return getTaskStack().isAnimatingBoundsToFullscreen(); |
| } |
| |
| public void updatePictureInPictureModeForPinnedStackAnimation(Rect targetStackBounds, |
| boolean forceUpdate) { |
| // It is guaranteed that the activities requiring the update will be in the pinned stack at |
| // this point (either reparented before the animation into PiP, or before reparenting after |
| // the animation out of PiP) |
| synchronized (mService.mGlobalLock) { |
| if (!isAttached()) { |
| return; |
| } |
| ArrayList<TaskRecord> tasks = getAllTasks(); |
| for (int i = 0; i < tasks.size(); i++) { |
| mStackSupervisor.updatePictureInPictureMode(tasks.get(i), targetStackBounds, |
| forceUpdate); |
| } |
| } |
| } |
| |
| public int getStackId() { |
| return mStackId; |
| } |
| |
| @Override |
| public String toString() { |
| return "ActivityStack{" + Integer.toHexString(System.identityHashCode(this)) |
| + " stackId=" + mStackId + " type=" + activityTypeToString(getActivityType()) |
| + " mode=" + windowingModeToString(getWindowingMode()) |
| + " visible=" + shouldBeVisible(null /* starting */) |
| + " translucent=" + isStackTranslucent(null /* starting */) |
| + ", " |
| + getChildCount() + " tasks}"; |
| } |
| |
| void onLockTaskPackagesUpdated() { |
| for (int taskNdx = getChildCount() - 1; taskNdx >= 0; --taskNdx) { |
| getChildAt(taskNdx).setLockTaskAuth(); |
| } |
| } |
| |
| void executeAppTransition(ActivityOptions options) { |
| getDisplay().mDisplayContent.executeAppTransition(); |
| ActivityOptions.abort(options); |
| } |
| |
| boolean shouldSleepActivities() { |
| final ActivityDisplay 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() : mService.isSleepingLocked(); |
| } |
| |
| boolean shouldSleepOrShutDownActivities() { |
| return shouldSleepActivities() || mService.mShuttingDown; |
| } |
| |
| public void writeToProto(ProtoOutputStream proto, long fieldId, |
| @WindowTraceLogLevel int logLevel) { |
| final long token = proto.start(fieldId); |
| super.writeToProto(proto, CONFIGURATION_CONTAINER, logLevel); |
| proto.write(ID, mStackId); |
| for (int taskNdx = getChildCount() - 1; taskNdx >= 0; --taskNdx) { |
| final TaskRecord task = getChildAt(taskNdx); |
| task.writeToProto(proto, TASKS, logLevel); |
| } |
| if (mResumedActivity != null) { |
| mResumedActivity.writeIdentifierToProto(proto, RESUMED_ACTIVITY); |
| } |
| proto.write(DISPLAY_ID, mDisplayId); |
| if (!matchParentBounds()) { |
| final Rect bounds = getRequestedOverrideBounds(); |
| bounds.writeToProto(proto, BOUNDS); |
| } |
| |
| // TODO: Remove, no longer needed with windowingMode. |
| proto.write(FULLSCREEN, matchParentBounds()); |
| proto.end(token); |
| } |
| } |