| /* |
| * Copyright (C) 2013 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.am; |
| |
| import android.Manifest; |
| import android.app.Activity; |
| import android.app.ActivityManager; |
| import android.app.ActivityManager.RunningTaskInfo; |
| import android.app.ActivityManager.StackId; |
| import android.app.ActivityManager.StackInfo; |
| import android.app.ActivityOptions; |
| import android.app.AppGlobals; |
| import android.app.AppOpsManager; |
| import android.app.IActivityContainer; |
| import android.app.IActivityContainerCallback; |
| import android.app.IActivityManager; |
| import android.app.IActivityManager.WaitResult; |
| import android.app.ProfilerInfo; |
| import android.app.ResultInfo; |
| import android.app.StatusBarManager; |
| import android.app.admin.IDevicePolicyManager; |
| import android.content.ComponentName; |
| import android.content.Context; |
| import android.content.IIntentSender; |
| import android.content.Intent; |
| import android.content.pm.ActivityInfo; |
| import android.content.pm.ApplicationInfo; |
| import android.content.pm.PackageInfo; |
| import android.content.pm.PackageManager; |
| import android.content.pm.ResolveInfo; |
| import android.content.pm.UserInfo; |
| import android.content.res.Configuration; |
| import android.graphics.Rect; |
| import android.hardware.display.DisplayManager; |
| import android.hardware.display.DisplayManager.DisplayListener; |
| import android.hardware.display.DisplayManagerGlobal; |
| import android.hardware.display.VirtualDisplay; |
| import android.hardware.input.InputManager; |
| import android.hardware.input.InputManagerInternal; |
| import android.os.Binder; |
| import android.os.Bundle; |
| import android.os.Debug; |
| import android.os.Handler; |
| import android.os.IBinder; |
| import android.os.Looper; |
| import android.os.Message; |
| import android.os.ParcelFileDescriptor; |
| import android.os.PowerManager; |
| import android.os.Process; |
| import android.os.RemoteException; |
| import android.os.ServiceManager; |
| import android.os.SystemClock; |
| import android.os.Trace; |
| import android.os.TransactionTooLargeException; |
| import android.os.UserHandle; |
| import android.os.UserManager; |
| import android.os.WorkSource; |
| import android.provider.MediaStore; |
| import android.provider.Settings; |
| import android.provider.Settings.SettingNotFoundException; |
| import android.service.voice.IVoiceInteractionSession; |
| import android.util.ArrayMap; |
| import android.util.ArraySet; |
| import android.util.EventLog; |
| import android.util.Slog; |
| import android.util.SparseArray; |
| import android.util.SparseIntArray; |
| import android.view.Display; |
| import android.view.DisplayInfo; |
| import android.view.InputEvent; |
| import android.view.Surface; |
| |
| import com.android.internal.content.ReferrerIntent; |
| import com.android.internal.os.TransferPipe; |
| import com.android.internal.statusbar.IStatusBarService; |
| import com.android.internal.util.ArrayUtils; |
| import com.android.internal.widget.LockPatternUtils; |
| import com.android.server.LocalServices; |
| import com.android.server.am.ActivityStack.ActivityState; |
| import com.android.server.wm.WindowManagerService; |
| |
| import java.io.FileDescriptor; |
| import java.io.IOException; |
| import java.io.PrintWriter; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Objects; |
| import java.util.Set; |
| |
| import static android.Manifest.permission.START_ANY_ACTIVITY; |
| import static android.Manifest.permission.START_TASKS_FROM_RECENTS; |
| import static android.app.ActivityManager.LOCK_TASK_MODE_LOCKED; |
| import static android.app.ActivityManager.LOCK_TASK_MODE_NONE; |
| import static android.app.ActivityManager.LOCK_TASK_MODE_PINNED; |
| import static android.app.ActivityManager.RESIZE_MODE_FORCED; |
| import static android.app.ActivityManager.RESIZE_MODE_SYSTEM; |
| import static android.app.ActivityManager.StackId.DOCKED_STACK_ID; |
| import static android.app.ActivityManager.StackId.FIRST_DYNAMIC_STACK_ID; |
| import static android.app.ActivityManager.StackId.FIRST_STATIC_STACK_ID; |
| import static android.app.ActivityManager.StackId.FREEFORM_WORKSPACE_STACK_ID; |
| import static android.app.ActivityManager.StackId.FULLSCREEN_WORKSPACE_STACK_ID; |
| import static android.app.ActivityManager.StackId.HOME_STACK_ID; |
| import static android.app.ActivityManager.StackId.INVALID_STACK_ID; |
| import static android.app.ActivityManager.StackId.LAST_STATIC_STACK_ID; |
| import static android.app.ActivityManager.StackId.PINNED_STACK_ID; |
| import static android.content.Intent.FLAG_ACTIVITY_MULTIPLE_TASK; |
| import static android.content.Intent.FLAG_ACTIVITY_NEW_TASK; |
| import static android.content.pm.ActivityInfo.FLAG_SHOW_FOR_ALL_USERS; |
| import static android.content.pm.ActivityInfo.RESIZE_MODE_FORCE_RESIZEABLE; |
| import static android.content.pm.PackageManager.PERMISSION_GRANTED; |
| import static android.os.Trace.TRACE_TAG_ACTIVITY_MANAGER; |
| import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_ALL; |
| import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_CONTAINERS; |
| import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_IDLE; |
| import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_LOCKSCREEN; |
| import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_LOCKTASK; |
| import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_PAUSE; |
| import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_RECENTS; |
| import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_RELEASE; |
| import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_STACK; |
| import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_STATES; |
| import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_SWITCH; |
| import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_TASKS; |
| import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_VISIBLE_BEHIND; |
| import static com.android.server.am.ActivityManagerDebugConfig.POSTFIX_CONTAINERS; |
| import static com.android.server.am.ActivityManagerDebugConfig.POSTFIX_IDLE; |
| import static com.android.server.am.ActivityManagerDebugConfig.POSTFIX_LOCKTASK; |
| import static com.android.server.am.ActivityManagerDebugConfig.POSTFIX_PAUSE; |
| import static com.android.server.am.ActivityManagerDebugConfig.POSTFIX_RECENTS; |
| import static com.android.server.am.ActivityManagerDebugConfig.POSTFIX_RELEASE; |
| import static com.android.server.am.ActivityManagerDebugConfig.POSTFIX_STACK; |
| import static com.android.server.am.ActivityManagerDebugConfig.POSTFIX_STATES; |
| import static com.android.server.am.ActivityManagerDebugConfig.POSTFIX_SWITCH; |
| import static com.android.server.am.ActivityManagerDebugConfig.POSTFIX_TASKS; |
| import static com.android.server.am.ActivityManagerDebugConfig.POSTFIX_VISIBLE_BEHIND; |
| import static com.android.server.am.ActivityManagerDebugConfig.TAG_AM; |
| import static com.android.server.am.ActivityManagerDebugConfig.TAG_WITH_CLASS_NAME; |
| import static com.android.server.am.ActivityManagerService.ANIMATE; |
| import static com.android.server.am.ActivityManagerService.FIRST_SUPERVISOR_STACK_MSG; |
| import static com.android.server.am.ActivityManagerService.NOTIFY_ACTIVITY_DISMISSING_DOCKED_STACK_MSG; |
| import static com.android.server.am.ActivityManagerService.NOTIFY_FORCED_RESIZABLE_MSG; |
| import static com.android.server.am.ActivityRecord.APPLICATION_ACTIVITY_TYPE; |
| import static com.android.server.am.ActivityRecord.HOME_ACTIVITY_TYPE; |
| import static com.android.server.am.ActivityRecord.RECENTS_ACTIVITY_TYPE; |
| import static com.android.server.am.ActivityStack.ActivityState.DESTROYED; |
| import static com.android.server.am.ActivityStack.ActivityState.DESTROYING; |
| import static com.android.server.am.ActivityStack.ActivityState.INITIALIZING; |
| import static com.android.server.am.ActivityStack.ActivityState.PAUSED; |
| import static com.android.server.am.ActivityStack.ActivityState.PAUSING; |
| import static com.android.server.am.ActivityStack.ActivityState.RESUMED; |
| import static com.android.server.am.ActivityStack.ActivityState.STOPPED; |
| import static com.android.server.am.ActivityStack.ActivityState.STOPPING; |
| import static com.android.server.am.TaskRecord.LOCK_TASK_AUTH_DONT_LOCK; |
| import static com.android.server.am.TaskRecord.LOCK_TASK_AUTH_LAUNCHABLE; |
| import static com.android.server.am.TaskRecord.LOCK_TASK_AUTH_LAUNCHABLE_PRIV; |
| import static com.android.server.am.TaskRecord.LOCK_TASK_AUTH_PINNABLE; |
| import static com.android.server.am.TaskRecord.LOCK_TASK_AUTH_WHITELISTED; |
| import static com.android.server.wm.AppTransition.TRANSIT_DOCK_TASK_FROM_RECENTS; |
| |
| public final class ActivityStackSupervisor implements DisplayListener { |
| private static final String TAG = TAG_WITH_CLASS_NAME ? "ActivityStackSupervisor" : TAG_AM; |
| private static final String TAG_CONTAINERS = TAG + POSTFIX_CONTAINERS; |
| private static final String TAG_IDLE = TAG + POSTFIX_IDLE; |
| private static final String TAG_LOCKTASK = TAG + POSTFIX_LOCKTASK; |
| private static final String TAG_PAUSE = TAG + POSTFIX_PAUSE; |
| private static final String TAG_RECENTS = TAG + POSTFIX_RECENTS; |
| private static final String TAG_RELEASE = TAG + POSTFIX_RELEASE; |
| private static final String TAG_STACK = TAG + POSTFIX_STACK; |
| private static final String TAG_STATES = TAG + POSTFIX_STATES; |
| private static final String TAG_SWITCH = TAG + POSTFIX_SWITCH; |
| static final String TAG_TASKS = TAG + POSTFIX_TASKS; |
| private static final String TAG_VISIBLE_BEHIND = TAG + POSTFIX_VISIBLE_BEHIND; |
| |
| /** How long we wait until giving up on the last activity telling us it is idle. */ |
| static final int IDLE_TIMEOUT = 10 * 1000; |
| |
| /** How long we can hold the sleep wake lock before giving up. */ |
| static final int SLEEP_TIMEOUT = 5 * 1000; |
| |
| // How long we can hold the launch wake lock before giving up. |
| static final int LAUNCH_TIMEOUT = 10 * 1000; |
| |
| static final int IDLE_TIMEOUT_MSG = FIRST_SUPERVISOR_STACK_MSG; |
| static final int IDLE_NOW_MSG = FIRST_SUPERVISOR_STACK_MSG + 1; |
| static final int RESUME_TOP_ACTIVITY_MSG = FIRST_SUPERVISOR_STACK_MSG + 2; |
| static final int SLEEP_TIMEOUT_MSG = FIRST_SUPERVISOR_STACK_MSG + 3; |
| static final int LAUNCH_TIMEOUT_MSG = FIRST_SUPERVISOR_STACK_MSG + 4; |
| static final int HANDLE_DISPLAY_ADDED = FIRST_SUPERVISOR_STACK_MSG + 5; |
| static final int HANDLE_DISPLAY_CHANGED = FIRST_SUPERVISOR_STACK_MSG + 6; |
| static final int HANDLE_DISPLAY_REMOVED = FIRST_SUPERVISOR_STACK_MSG + 7; |
| static final int CONTAINER_CALLBACK_VISIBILITY = FIRST_SUPERVISOR_STACK_MSG + 8; |
| static final int LOCK_TASK_START_MSG = FIRST_SUPERVISOR_STACK_MSG + 9; |
| static final int LOCK_TASK_END_MSG = FIRST_SUPERVISOR_STACK_MSG + 10; |
| static final int CONTAINER_CALLBACK_TASK_LIST_EMPTY = FIRST_SUPERVISOR_STACK_MSG + 11; |
| static final int LAUNCH_TASK_BEHIND_COMPLETE = FIRST_SUPERVISOR_STACK_MSG + 12; |
| static final int SHOW_LOCK_TASK_ESCAPE_MESSAGE_MSG = FIRST_SUPERVISOR_STACK_MSG + 13; |
| static final int REPORT_MULTI_WINDOW_MODE_CHANGED_MSG = FIRST_SUPERVISOR_STACK_MSG + 14; |
| static final int REPORT_PIP_MODE_CHANGED_MSG = FIRST_SUPERVISOR_STACK_MSG + 15; |
| |
| private static final String VIRTUAL_DISPLAY_BASE_NAME = "ActivityViewVirtualDisplay"; |
| |
| private static final String LOCK_TASK_TAG = "Lock-to-App"; |
| |
| // Used to indicate if an object (e.g. stack) that we are trying to get |
| // should be created if it doesn't exist already. |
| static final boolean CREATE_IF_NEEDED = true; |
| |
| // Used to indicate that windows of activities should be preserved during the resize. |
| static final boolean PRESERVE_WINDOWS = true; |
| |
| // Used to indicate if an object (e.g. task) should be moved/created |
| // at the top of its container (e.g. stack). |
| static final boolean ON_TOP = true; |
| |
| // Used to indicate that an objects (e.g. task) removal from its container |
| // (e.g. stack) is due to it moving to another container. |
| static final boolean MOVING = true; |
| |
| // Force the focus to change to the stack we are moving a task to.. |
| static final boolean FORCE_FOCUS = true; |
| |
| // Restore task from the saved recents if it can't be found in any live stack. |
| static final boolean RESTORE_FROM_RECENTS = true; |
| |
| // Activity actions an app cannot start if it uses a permission which is not granted. |
| private static final ArrayMap<String, String> ACTION_TO_RUNTIME_PERMISSION = |
| new ArrayMap<>(); |
| |
| static { |
| ACTION_TO_RUNTIME_PERMISSION.put(MediaStore.ACTION_IMAGE_CAPTURE, |
| Manifest.permission.CAMERA); |
| ACTION_TO_RUNTIME_PERMISSION.put(MediaStore.ACTION_VIDEO_CAPTURE, |
| Manifest.permission.CAMERA); |
| ACTION_TO_RUNTIME_PERMISSION.put(Intent.ACTION_CALL, |
| Manifest.permission.CALL_PHONE); |
| } |
| |
| /** Action restriction: launching the activity is not restricted. */ |
| private static final int ACTIVITY_RESTRICTION_NONE = 0; |
| /** Action restriction: launching the activity is restricted by a permission. */ |
| private static final int ACTIVITY_RESTRICTION_PERMISSION = 1; |
| /** Action restriction: launching the activity is restricted by an app op. */ |
| private static final int ACTIVITY_RESTRICTION_APPOP = 2; |
| |
| // The height/width divide used when fitting a task within a bounds with method |
| // {@link #fitWithinBounds}. |
| // We always want the task to to be visible in the bounds without affecting its size when |
| // fitting. To make sure this is the case, we don't adjust the task left or top side pass |
| // the input bounds right or bottom side minus the width or height divided by this value. |
| private static final int FIT_WITHIN_BOUNDS_DIVIDER = 3; |
| |
| /** Status Bar Service **/ |
| private IBinder mToken = new Binder(); |
| private IStatusBarService mStatusBarService; |
| private IDevicePolicyManager mDevicePolicyManager; |
| |
| // For debugging to make sure the caller when acquiring/releasing our |
| // wake lock is the system process. |
| static final boolean VALIDATE_WAKE_LOCK_CALLER = false; |
| /** The number of distinct task ids that can be assigned to the tasks of a single user */ |
| private static final int MAX_TASK_IDS_PER_USER = UserHandle.PER_USER_RANGE; |
| |
| final ActivityManagerService mService; |
| |
| private RecentTasks mRecentTasks; |
| |
| final ActivityStackSupervisorHandler mHandler; |
| |
| /** Short cut */ |
| WindowManagerService mWindowManager; |
| DisplayManager mDisplayManager; |
| |
| /** Counter for next free stack ID to use for dynamic activity stacks. */ |
| private int mNextFreeStackId = FIRST_DYNAMIC_STACK_ID; |
| |
| /** |
| * Maps the task identifier that activities are currently being started in to the userId of the |
| * task. Each time a new task is created, the entry for the userId of the task is incremented |
| */ |
| private final SparseIntArray mCurTaskIdForUser = new SparseIntArray(20); |
| |
| /** The current user */ |
| int mCurrentUser; |
| |
| /** The stack containing the launcher app. Assumed to always be attached to |
| * Display.DEFAULT_DISPLAY. */ |
| ActivityStack mHomeStack; |
| |
| /** The stack currently receiving input or launching the next activity. */ |
| ActivityStack mFocusedStack; |
| |
| /** If this is the same as mFocusedStack then the activity on the top of the focused stack has |
| * been resumed. If stacks are changing position this will hold the old stack until the new |
| * stack becomes resumed after which it will be set to mFocusedStack. */ |
| private ActivityStack mLastFocusedStack; |
| |
| /** List of activities that are waiting for a new activity to become visible before completing |
| * whatever operation they are supposed to do. */ |
| final ArrayList<ActivityRecord> mWaitingVisibleActivities = new ArrayList<>(); |
| |
| /** List of processes waiting to find out about the next visible activity. */ |
| final ArrayList<IActivityManager.WaitResult> mWaitingActivityVisible = new ArrayList<>(); |
| |
| /** List of processes waiting to find out about the next launched activity. */ |
| final ArrayList<IActivityManager.WaitResult> mWaitingActivityLaunched = new ArrayList<>(); |
| |
| /** List of activities that are ready to be stopped, but waiting for the next activity to |
| * settle down before doing so. */ |
| final ArrayList<ActivityRecord> mStoppingActivities = new ArrayList<>(); |
| |
| /** List of activities that are ready to be finished, but waiting for the previous activity to |
| * settle down before doing so. It contains ActivityRecord objects. */ |
| final ArrayList<ActivityRecord> mFinishingActivities = new ArrayList<>(); |
| |
| /** List of activities that are in the process of going to sleep. */ |
| final ArrayList<ActivityRecord> mGoingToSleepActivities = new ArrayList<>(); |
| |
| /** List of activities whose multi-window mode changed that we need to report to the |
| * application */ |
| final ArrayList<ActivityRecord> mMultiWindowModeChangedActivities = new ArrayList<>(); |
| |
| /** List of activities whose picture-in-picture mode changed that we need to report to the |
| * application */ |
| final ArrayList<ActivityRecord> mPipModeChangedActivities = new ArrayList<>(); |
| |
| /** Used on user changes */ |
| final ArrayList<UserState> mStartingUsers = new ArrayList<>(); |
| |
| /** Used to queue up any background users being started */ |
| final ArrayList<UserState> mStartingBackgroundUsers = new ArrayList<>(); |
| |
| /** Set to indicate whether to issue an onUserLeaving callback when a newly launched activity |
| * is being brought in front of us. */ |
| boolean mUserLeaving = false; |
| |
| /** Set when we have taken too long waiting to go to sleep. */ |
| boolean mSleepTimeout = false; |
| |
| /** |
| * We don't want to allow the device to go to sleep while in the process |
| * of launching an activity. This is primarily to allow alarm intent |
| * receivers to launch an activity and get that to run before the device |
| * goes back to sleep. |
| */ |
| PowerManager.WakeLock mLaunchingActivity; |
| |
| /** |
| * Set when the system is going to sleep, until we have |
| * successfully paused the current activity and released our wake lock. |
| * At that point the system is allowed to actually sleep. |
| */ |
| PowerManager.WakeLock mGoingToSleep; |
| |
| /** Stack id of the front stack when user switched, indexed by userId. */ |
| SparseIntArray mUserStackInFront = new SparseIntArray(2); |
| |
| // TODO: Add listener for removal of references. |
| /** Mapping from (ActivityStack/TaskStack).mStackId to their current state */ |
| private SparseArray<ActivityContainer> mActivityContainers = new SparseArray<>(); |
| |
| /** Mapping from displayId to display current state */ |
| private final SparseArray<ActivityDisplay> mActivityDisplays = new SparseArray<>(); |
| |
| InputManagerInternal mInputManagerInternal; |
| |
| /** The chain of tasks in lockTask mode. The current frontmost task is at the top, and tasks |
| * may be finished until there is only one entry left. If this is empty the system is not |
| * in lockTask mode. */ |
| ArrayList<TaskRecord> mLockTaskModeTasks = new ArrayList<>(); |
| /** Store the current lock task mode. Possible values: |
| * {@link ActivityManager#LOCK_TASK_MODE_NONE}, {@link ActivityManager#LOCK_TASK_MODE_LOCKED}, |
| * {@link ActivityManager#LOCK_TASK_MODE_PINNED} |
| */ |
| private int mLockTaskModeState; |
| /** |
| * Notifies the user when entering/exiting lock-task. |
| */ |
| private LockTaskNotify mLockTaskNotify; |
| |
| /** Used to keep resumeTopActivityUncheckedLocked() from being entered recursively */ |
| boolean inResumeTopActivity; |
| |
| // temp. rects used during resize calculation so we don't need to create a new object each time. |
| private final Rect tempRect = new Rect(); |
| private final Rect tempRect2 = new Rect(); |
| |
| private final SparseArray<Configuration> mTmpConfigs = new SparseArray<>(); |
| private final SparseArray<Rect> mTmpBounds = new SparseArray<>(); |
| private final SparseArray<Rect> mTmpInsetBounds = new SparseArray<>(); |
| |
| // The default minimal size that will be used if the activity doesn't specify its minimal size. |
| // It will be calculated when the default display gets added. |
| int mDefaultMinimalSizeOfResizeableTask = -1; |
| |
| // Whether tasks have moved and we need to rank the tasks before next OOM scoring |
| private boolean mTaskLayersChanged = true; |
| |
| final ActivityMetricsLogger mActivityMetricsLogger; |
| |
| private final ResizeDockedStackTimeout mResizeDockedStackTimeout; |
| |
| static class FindTaskResult { |
| ActivityRecord r; |
| boolean matchedByRootAffinity; |
| } |
| private final FindTaskResult mTmpFindTaskResult = new FindTaskResult(); |
| |
| /** |
| * Used to keep track whether app visibilities got changed since the last pause. Useful to |
| * determine whether to invoke the task stack change listener after pausing. |
| */ |
| boolean mAppVisibilitiesChangedSinceLastPause; |
| |
| /** |
| * Set of tasks that are in resizing mode during an app transition to fill the "void". |
| */ |
| private final ArraySet<Integer> mResizingTasksDuringAnimation = new ArraySet<>(); |
| |
| /** |
| * Description of a request to start a new activity, which has been held |
| * due to app switches being disabled. |
| */ |
| static class PendingActivityLaunch { |
| final ActivityRecord r; |
| final ActivityRecord sourceRecord; |
| final int startFlags; |
| final ActivityStack stack; |
| final ProcessRecord callerApp; |
| |
| PendingActivityLaunch(ActivityRecord _r, ActivityRecord _sourceRecord, |
| int _startFlags, ActivityStack _stack, ProcessRecord _callerApp) { |
| r = _r; |
| sourceRecord = _sourceRecord; |
| startFlags = _startFlags; |
| stack = _stack; |
| callerApp = _callerApp; |
| } |
| |
| void sendErrorResult(String message) { |
| try { |
| if (callerApp.thread != null) { |
| callerApp.thread.scheduleCrash(message); |
| } |
| } catch (RemoteException e) { |
| Slog.e(TAG, "Exception scheduling crash of failed " |
| + "activity launcher sourceRecord=" + sourceRecord, e); |
| } |
| } |
| } |
| |
| public ActivityStackSupervisor(ActivityManagerService service) { |
| mService = service; |
| mHandler = new ActivityStackSupervisorHandler(mService.mHandler.getLooper()); |
| mActivityMetricsLogger = new ActivityMetricsLogger(this, mService.mContext); |
| mResizeDockedStackTimeout = new ResizeDockedStackTimeout(service, this, mHandler); |
| } |
| |
| void setRecentTasks(RecentTasks recentTasks) { |
| mRecentTasks = recentTasks; |
| } |
| |
| /** |
| * At the time when the constructor runs, the power manager has not yet been |
| * initialized. So we initialize our wakelocks afterwards. |
| */ |
| void initPowerManagement() { |
| PowerManager pm = (PowerManager)mService.mContext.getSystemService(Context.POWER_SERVICE); |
| mGoingToSleep = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "ActivityManager-Sleep"); |
| mLaunchingActivity = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "*launch*"); |
| mLaunchingActivity.setReferenceCounted(false); |
| } |
| |
| // This function returns a IStatusBarService. The value is from ServiceManager. |
| // getService and is cached. |
| private IStatusBarService getStatusBarService() { |
| synchronized (mService) { |
| if (mStatusBarService == null) { |
| mStatusBarService = IStatusBarService.Stub.asInterface( |
| ServiceManager.checkService(Context.STATUS_BAR_SERVICE)); |
| if (mStatusBarService == null) { |
| Slog.w("StatusBarManager", "warning: no STATUS_BAR_SERVICE"); |
| } |
| } |
| return mStatusBarService; |
| } |
| } |
| |
| private IDevicePolicyManager getDevicePolicyManager() { |
| synchronized (mService) { |
| if (mDevicePolicyManager == null) { |
| mDevicePolicyManager = IDevicePolicyManager.Stub.asInterface( |
| ServiceManager.checkService(Context.DEVICE_POLICY_SERVICE)); |
| if (mDevicePolicyManager == null) { |
| Slog.w(TAG, "warning: no DEVICE_POLICY_SERVICE"); |
| } |
| } |
| return mDevicePolicyManager; |
| } |
| } |
| |
| void setWindowManager(WindowManagerService wm) { |
| synchronized (mService) { |
| mWindowManager = wm; |
| |
| mDisplayManager = |
| (DisplayManager)mService.mContext.getSystemService(Context.DISPLAY_SERVICE); |
| mDisplayManager.registerDisplayListener(this, null); |
| |
| Display[] displays = mDisplayManager.getDisplays(); |
| for (int displayNdx = displays.length - 1; displayNdx >= 0; --displayNdx) { |
| final int displayId = displays[displayNdx].getDisplayId(); |
| ActivityDisplay activityDisplay = new ActivityDisplay(displayId); |
| if (activityDisplay.mDisplay == null) { |
| throw new IllegalStateException("Default Display does not exist"); |
| } |
| mActivityDisplays.put(displayId, activityDisplay); |
| calculateDefaultMinimalSizeOfResizeableTasks(activityDisplay); |
| } |
| |
| mHomeStack = mFocusedStack = mLastFocusedStack = |
| getStack(HOME_STACK_ID, CREATE_IF_NEEDED, ON_TOP); |
| |
| mInputManagerInternal = LocalServices.getService(InputManagerInternal.class); |
| } |
| } |
| |
| void notifyActivityDrawnForKeyguard() { |
| if (DEBUG_LOCKSCREEN) mService.logLockScreen(""); |
| mWindowManager.notifyActivityDrawnForKeyguard(); |
| } |
| |
| ActivityStack getFocusedStack() { |
| return mFocusedStack; |
| } |
| |
| ActivityStack getLastStack() { |
| return mLastFocusedStack; |
| } |
| |
| boolean isFocusedStack(ActivityStack stack) { |
| if (stack == null) { |
| return false; |
| } |
| |
| final ActivityRecord parent = stack.mActivityContainer.mParentActivity; |
| if (parent != null) { |
| stack = parent.task.stack; |
| } |
| return stack == mFocusedStack; |
| } |
| |
| /** The top most stack. */ |
| boolean isFrontStack(ActivityStack stack) { |
| if (stack == null) { |
| return false; |
| } |
| |
| final ActivityRecord parent = stack.mActivityContainer.mParentActivity; |
| if (parent != null) { |
| stack = parent.task.stack; |
| } |
| return stack == mHomeStack.mStacks.get((mHomeStack.mStacks.size() - 1)); |
| } |
| |
| /** NOTE: Should only be called from {@link ActivityStack#moveToFront} */ |
| void setFocusStackUnchecked(String reason, ActivityStack focusCandidate) { |
| if (!focusCandidate.isFocusable()) { |
| // The focus candidate isn't focusable. Move focus to the top stack that is focusable. |
| focusCandidate = focusCandidate.getNextFocusableStackLocked(); |
| } |
| |
| if (focusCandidate != mFocusedStack) { |
| mLastFocusedStack = mFocusedStack; |
| mFocusedStack = focusCandidate; |
| |
| EventLogTags.writeAmFocusedStack( |
| mCurrentUser, mFocusedStack == null ? -1 : mFocusedStack.getStackId(), |
| mLastFocusedStack == null ? -1 : mLastFocusedStack.getStackId(), reason); |
| } |
| |
| final ActivityRecord r = topRunningActivityLocked(); |
| if (!mService.mDoingSetFocusedActivity && mService.mFocusedActivity != r) { |
| // The focus activity should always be the top activity in the focused stack. |
| // There will be chaos and anarchy if it isn't... |
| mService.setFocusedActivityLocked(r, reason + " setFocusStack"); |
| } |
| |
| if (mService.mBooting || !mService.mBooted) { |
| if (r != null && r.idle) { |
| checkFinishBootingLocked(); |
| } |
| } |
| } |
| |
| void moveHomeStackToFront(String reason) { |
| mHomeStack.moveToFront(reason); |
| } |
| |
| /** Returns true if the focus activity was adjusted to the home stack top activity. */ |
| boolean moveHomeStackTaskToTop(int homeStackTaskType, String reason) { |
| if (homeStackTaskType == RECENTS_ACTIVITY_TYPE) { |
| mWindowManager.showRecentApps(); |
| return false; |
| } |
| |
| mHomeStack.moveHomeStackTaskToTop(homeStackTaskType); |
| |
| final ActivityRecord top = getHomeActivity(); |
| if (top == null) { |
| return false; |
| } |
| mService.setFocusedActivityLocked(top, reason); |
| return true; |
| } |
| |
| boolean resumeHomeStackTask(int homeStackTaskType, ActivityRecord prev, String reason) { |
| if (!mService.mBooting && !mService.mBooted) { |
| // Not ready yet! |
| return false; |
| } |
| |
| if (homeStackTaskType == RECENTS_ACTIVITY_TYPE) { |
| mWindowManager.showRecentApps(); |
| return false; |
| } |
| |
| if (prev != null) { |
| prev.task.setTaskToReturnTo(APPLICATION_ACTIVITY_TYPE); |
| } |
| |
| mHomeStack.moveHomeStackTaskToTop(homeStackTaskType); |
| ActivityRecord r = getHomeActivity(); |
| final String myReason = reason + " resumeHomeStackTask"; |
| |
| // Only resume home activity if isn't finishing. |
| if (r != null && !r.finishing) { |
| mService.setFocusedActivityLocked(r, myReason); |
| return resumeFocusedStackTopActivityLocked(mHomeStack, prev, null); |
| } |
| return mService.startHomeActivityLocked(mCurrentUser, myReason); |
| } |
| |
| TaskRecord anyTaskForIdLocked(int id) { |
| return anyTaskForIdLocked(id, RESTORE_FROM_RECENTS, INVALID_STACK_ID); |
| } |
| |
| /** |
| * Returns a {@link TaskRecord} for the input id if available. Null otherwise. |
| * @param id Id of the task we would like returned. |
| * @param restoreFromRecents If the id was not in the active list, but was found in recents, |
| * restore the task from recents to the active list. |
| * @param stackId The stack to restore the task to (default launch stack will be used if |
| * stackId is {@link android.app.ActivityManager.StackId#INVALID_STACK_ID}). |
| */ |
| TaskRecord anyTaskForIdLocked(int id, boolean restoreFromRecents, int stackId) { |
| int numDisplays = mActivityDisplays.size(); |
| for (int displayNdx = 0; displayNdx < numDisplays; ++displayNdx) { |
| ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; |
| for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { |
| ActivityStack stack = stacks.get(stackNdx); |
| TaskRecord task = stack.taskForIdLocked(id); |
| if (task != null) { |
| return task; |
| } |
| } |
| } |
| |
| // Don't give up! Look in recents. |
| if (DEBUG_RECENTS) Slog.v(TAG_RECENTS, "Looking for task id=" + id + " in recents"); |
| TaskRecord task = mRecentTasks.taskForIdLocked(id); |
| if (task == null) { |
| if (DEBUG_RECENTS) Slog.d(TAG_RECENTS, "\tDidn't find task id=" + id + " in recents"); |
| return null; |
| } |
| |
| if (!restoreFromRecents) { |
| return task; |
| } |
| |
| if (!restoreRecentTaskLocked(task, stackId)) { |
| if (DEBUG_RECENTS) Slog.w(TAG_RECENTS, |
| "Couldn't restore task id=" + id + " found in recents"); |
| return null; |
| } |
| if (DEBUG_RECENTS) Slog.w(TAG_RECENTS, "Restored task id=" + id + " from in recents"); |
| return task; |
| } |
| |
| ActivityRecord isInAnyStackLocked(IBinder token) { |
| int numDisplays = mActivityDisplays.size(); |
| for (int displayNdx = 0; displayNdx < numDisplays; ++displayNdx) { |
| ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; |
| for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { |
| final ActivityRecord r = stacks.get(stackNdx).isInStackLocked(token); |
| if (r != null) { |
| return r; |
| } |
| } |
| } |
| return null; |
| } |
| |
| boolean isFocusedUserLockedProfile() { |
| final int userId = mFocusedStack.topRunningActivityLocked().userId; |
| return userId != UserHandle.myUserId() |
| && mService.mUserController.shouldConfirmCredentials(userId); |
| } |
| |
| void setNextTaskIdForUserLocked(int taskId, int userId) { |
| final int currentTaskId = mCurTaskIdForUser.get(userId, -1); |
| if (taskId > currentTaskId) { |
| mCurTaskIdForUser.put(userId, taskId); |
| } |
| } |
| |
| int getNextTaskIdForUserLocked(int userId) { |
| final int currentTaskId = mCurTaskIdForUser.get(userId, userId * MAX_TASK_IDS_PER_USER); |
| // for a userId u, a taskId can only be in the range |
| // [u*MAX_TASK_IDS_PER_USER, (u+1)*MAX_TASK_IDS_PER_USER-1], so if MAX_TASK_IDS_PER_USER |
| // was 10, user 0 could only have taskIds 0 to 9, user 1: 10 to 19, user 2: 20 to 29, so on. |
| int candidateTaskId = currentTaskId; |
| while (mRecentTasks.taskIdTakenForUserLocked(candidateTaskId, userId) |
| || anyTaskForIdLocked(candidateTaskId, !RESTORE_FROM_RECENTS, |
| INVALID_STACK_ID) != null) { |
| candidateTaskId++; |
| if (candidateTaskId == (userId + 1) * MAX_TASK_IDS_PER_USER) { |
| // Wrap around as there will be smaller task ids that are available now. |
| candidateTaskId -= MAX_TASK_IDS_PER_USER; |
| } |
| if (candidateTaskId == currentTaskId) { |
| // Something wrong! |
| // All MAX_TASK_IDS_PER_USER task ids are taken up by running tasks for this user |
| throw new IllegalStateException("Cannot get an available task id." |
| + " Reached limit of " + MAX_TASK_IDS_PER_USER |
| + " running tasks per user."); |
| } |
| } |
| mCurTaskIdForUser.put(userId, candidateTaskId); |
| return candidateTaskId; |
| } |
| |
| ActivityRecord resumedAppLocked() { |
| ActivityStack stack = mFocusedStack; |
| if (stack == null) { |
| return null; |
| } |
| ActivityRecord resumedActivity = stack.mResumedActivity; |
| if (resumedActivity == null || resumedActivity.app == null) { |
| resumedActivity = stack.mPausingActivity; |
| if (resumedActivity == null || resumedActivity.app == null) { |
| resumedActivity = stack.topRunningActivityLocked(); |
| } |
| } |
| return resumedActivity; |
| } |
| |
| boolean attachApplicationLocked(ProcessRecord app) throws RemoteException { |
| final String processName = app.processName; |
| boolean didSomething = false; |
| for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { |
| ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; |
| for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { |
| final ActivityStack stack = stacks.get(stackNdx); |
| if (!isFocusedStack(stack)) { |
| continue; |
| } |
| ActivityRecord hr = stack.topRunningActivityLocked(); |
| if (hr != null) { |
| if (hr.app == null && app.uid == hr.info.applicationInfo.uid |
| && processName.equals(hr.processName)) { |
| try { |
| if (realStartActivityLocked(hr, app, true, true)) { |
| didSomething = true; |
| } |
| } catch (RemoteException e) { |
| Slog.w(TAG, "Exception in new application when starting activity " |
| + hr.intent.getComponent().flattenToShortString(), e); |
| throw e; |
| } |
| } |
| } |
| } |
| } |
| if (!didSomething) { |
| ensureActivitiesVisibleLocked(null, 0, !PRESERVE_WINDOWS); |
| } |
| return didSomething; |
| } |
| |
| boolean allResumedActivitiesIdle() { |
| for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { |
| ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; |
| for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { |
| final ActivityStack stack = stacks.get(stackNdx); |
| if (!isFocusedStack(stack) || stack.numActivities() == 0) { |
| continue; |
| } |
| final ActivityRecord resumedActivity = stack.mResumedActivity; |
| if (resumedActivity == null || !resumedActivity.idle) { |
| if (DEBUG_STATES) Slog.d(TAG_STATES, "allResumedActivitiesIdle: stack=" |
| + stack.mStackId + " " + resumedActivity + " not idle"); |
| return false; |
| } |
| } |
| } |
| return true; |
| } |
| |
| boolean allResumedActivitiesComplete() { |
| for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { |
| ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; |
| for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { |
| final ActivityStack stack = stacks.get(stackNdx); |
| if (isFocusedStack(stack)) { |
| final ActivityRecord r = stack.mResumedActivity; |
| if (r != null && r.state != RESUMED) { |
| return false; |
| } |
| } |
| } |
| } |
| // TODO: Not sure if this should check if all Paused are complete too. |
| if (DEBUG_STACK) Slog.d(TAG_STACK, |
| "allResumedActivitiesComplete: mLastFocusedStack changing from=" + |
| mLastFocusedStack + " to=" + mFocusedStack); |
| mLastFocusedStack = mFocusedStack; |
| return true; |
| } |
| |
| boolean allResumedActivitiesVisible() { |
| boolean foundResumed = false; |
| for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { |
| ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; |
| for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { |
| final ActivityStack stack = stacks.get(stackNdx); |
| final ActivityRecord r = stack.mResumedActivity; |
| if (r != null) { |
| if (!r.nowVisible || mWaitingVisibleActivities.contains(r)) { |
| return false; |
| } |
| foundResumed = true; |
| } |
| } |
| } |
| return foundResumed; |
| } |
| |
| /** |
| * Pause all activities in either all of the stacks or just the back stacks. |
| * @param userLeaving Passed to pauseActivity() to indicate whether to call onUserLeaving(). |
| * @return true if any activity was paused as a result of this call. |
| */ |
| boolean pauseBackStacks(boolean userLeaving, boolean resuming, boolean dontWait) { |
| boolean someActivityPaused = false; |
| for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { |
| ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; |
| for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { |
| final ActivityStack stack = stacks.get(stackNdx); |
| if (!isFocusedStack(stack) && stack.mResumedActivity != null) { |
| if (DEBUG_STATES) Slog.d(TAG_STATES, "pauseBackStacks: stack=" + stack + |
| " mResumedActivity=" + stack.mResumedActivity); |
| someActivityPaused |= stack.startPausingLocked(userLeaving, false, resuming, |
| dontWait); |
| } |
| } |
| } |
| return someActivityPaused; |
| } |
| |
| boolean allPausedActivitiesComplete() { |
| boolean pausing = true; |
| for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { |
| ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; |
| for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { |
| final ActivityStack stack = stacks.get(stackNdx); |
| final ActivityRecord r = stack.mPausingActivity; |
| if (r != null && r.state != PAUSED && r.state != STOPPED && r.state != STOPPING) { |
| if (DEBUG_STATES) { |
| Slog.d(TAG_STATES, |
| "allPausedActivitiesComplete: r=" + r + " state=" + r.state); |
| pausing = false; |
| } else { |
| return false; |
| } |
| } |
| } |
| } |
| return pausing; |
| } |
| |
| void pauseChildStacks(ActivityRecord parent, boolean userLeaving, boolean uiSleeping, |
| boolean resuming, boolean dontWait) { |
| // TODO: Put all stacks in supervisor and iterate through them instead. |
| for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { |
| ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; |
| for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { |
| final ActivityStack stack = stacks.get(stackNdx); |
| if (stack.mResumedActivity != null && |
| stack.mActivityContainer.mParentActivity == parent) { |
| stack.startPausingLocked(userLeaving, uiSleeping, resuming, dontWait); |
| } |
| } |
| } |
| } |
| |
| void cancelInitializingActivities() { |
| for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { |
| ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; |
| for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { |
| stacks.get(stackNdx).cancelInitializingActivities(); |
| } |
| } |
| } |
| |
| void reportActivityVisibleLocked(ActivityRecord r) { |
| sendWaitingVisibleReportLocked(r); |
| } |
| |
| void sendWaitingVisibleReportLocked(ActivityRecord r) { |
| boolean changed = false; |
| for (int i = mWaitingActivityVisible.size()-1; i >= 0; i--) { |
| WaitResult w = mWaitingActivityVisible.get(i); |
| if (w.who == null) { |
| changed = true; |
| w.timeout = false; |
| if (r != null) { |
| w.who = new ComponentName(r.info.packageName, r.info.name); |
| } |
| w.totalTime = SystemClock.uptimeMillis() - w.thisTime; |
| w.thisTime = w.totalTime; |
| } |
| } |
| if (changed) { |
| mService.notifyAll(); |
| } |
| } |
| |
| void reportActivityLaunchedLocked(boolean timeout, ActivityRecord r, |
| long thisTime, long totalTime) { |
| boolean changed = false; |
| for (int i = mWaitingActivityLaunched.size() - 1; i >= 0; i--) { |
| WaitResult w = mWaitingActivityLaunched.remove(i); |
| if (w.who == null) { |
| changed = true; |
| w.timeout = timeout; |
| if (r != null) { |
| w.who = new ComponentName(r.info.packageName, r.info.name); |
| } |
| w.thisTime = thisTime; |
| w.totalTime = totalTime; |
| } |
| } |
| if (changed) { |
| mService.notifyAll(); |
| } |
| } |
| |
| ActivityRecord topRunningActivityLocked() { |
| final ActivityStack focusedStack = mFocusedStack; |
| ActivityRecord r = focusedStack.topRunningActivityLocked(); |
| if (r != null) { |
| return r; |
| } |
| |
| // Return to the home stack. |
| final ArrayList<ActivityStack> stacks = mHomeStack.mStacks; |
| for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { |
| final ActivityStack stack = stacks.get(stackNdx); |
| if (stack != focusedStack && isFrontStack(stack) && stack.isFocusable()) { |
| r = stack.topRunningActivityLocked(); |
| if (r != null) { |
| return r; |
| } |
| } |
| } |
| return null; |
| } |
| |
| void getTasksLocked(int maxNum, List<RunningTaskInfo> list, int callingUid, boolean allowed) { |
| // Gather all of the running tasks for each stack into runningTaskLists. |
| ArrayList<ArrayList<RunningTaskInfo>> runningTaskLists = |
| new ArrayList<ArrayList<RunningTaskInfo>>(); |
| final int numDisplays = mActivityDisplays.size(); |
| for (int displayNdx = 0; displayNdx < numDisplays; ++displayNdx) { |
| ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; |
| for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { |
| final ActivityStack stack = stacks.get(stackNdx); |
| ArrayList<RunningTaskInfo> stackTaskList = new ArrayList<>(); |
| runningTaskLists.add(stackTaskList); |
| stack.getTasksLocked(stackTaskList, callingUid, allowed); |
| } |
| } |
| |
| // The lists are already sorted from most recent to oldest. Just pull the most recent off |
| // each list and add it to list. Stop when all lists are empty or maxNum reached. |
| while (maxNum > 0) { |
| long mostRecentActiveTime = Long.MIN_VALUE; |
| ArrayList<RunningTaskInfo> selectedStackList = null; |
| final int numTaskLists = runningTaskLists.size(); |
| for (int stackNdx = 0; stackNdx < numTaskLists; ++stackNdx) { |
| ArrayList<RunningTaskInfo> stackTaskList = runningTaskLists.get(stackNdx); |
| if (!stackTaskList.isEmpty()) { |
| final long lastActiveTime = stackTaskList.get(0).lastActiveTime; |
| if (lastActiveTime > mostRecentActiveTime) { |
| mostRecentActiveTime = lastActiveTime; |
| selectedStackList = stackTaskList; |
| } |
| } |
| } |
| if (selectedStackList != null) { |
| list.add(selectedStackList.remove(0)); |
| --maxNum; |
| } else { |
| break; |
| } |
| } |
| } |
| |
| ActivityInfo resolveActivity(Intent intent, ResolveInfo rInfo, int startFlags, |
| ProfilerInfo profilerInfo) { |
| final ActivityInfo aInfo = rInfo != null ? rInfo.activityInfo : null; |
| if (aInfo != null) { |
| // Store the found target back into the intent, because now that |
| // we have it we never want to do this again. For example, if the |
| // user navigates back to this point in the history, we should |
| // always restart the exact same activity. |
| intent.setComponent(new ComponentName( |
| aInfo.applicationInfo.packageName, aInfo.name)); |
| |
| // Don't debug things in the system process |
| if (!aInfo.processName.equals("system")) { |
| if ((startFlags & ActivityManager.START_FLAG_DEBUG) != 0) { |
| mService.setDebugApp(aInfo.processName, true, false); |
| } |
| |
| if ((startFlags & ActivityManager.START_FLAG_NATIVE_DEBUGGING) != 0) { |
| mService.setNativeDebuggingAppLocked(aInfo.applicationInfo, aInfo.processName); |
| } |
| |
| if ((startFlags & ActivityManager.START_FLAG_TRACK_ALLOCATION) != 0) { |
| mService.setTrackAllocationApp(aInfo.applicationInfo, aInfo.processName); |
| } |
| |
| if (profilerInfo != null) { |
| mService.setProfileApp(aInfo.applicationInfo, aInfo.processName, profilerInfo); |
| } |
| } |
| } |
| return aInfo; |
| } |
| |
| ResolveInfo resolveIntent(Intent intent, String resolvedType, int userId) { |
| return resolveIntent(intent, resolvedType, userId, 0); |
| } |
| |
| ResolveInfo resolveIntent(Intent intent, String resolvedType, int userId, int flags) { |
| try { |
| return AppGlobals.getPackageManager().resolveIntent(intent, resolvedType, |
| PackageManager.MATCH_DEFAULT_ONLY | flags |
| | ActivityManagerService.STOCK_PM_FLAGS, userId); |
| } catch (RemoteException e) { |
| } |
| return null; |
| } |
| |
| ActivityInfo resolveActivity(Intent intent, String resolvedType, int startFlags, |
| ProfilerInfo profilerInfo, int userId) { |
| final ResolveInfo rInfo = resolveIntent(intent, resolvedType, userId); |
| return resolveActivity(intent, rInfo, startFlags, profilerInfo); |
| } |
| |
| final boolean realStartActivityLocked(ActivityRecord r, ProcessRecord app, |
| boolean andResume, boolean checkConfig) throws RemoteException { |
| |
| if (!allPausedActivitiesComplete()) { |
| // While there are activities pausing we skipping starting any new activities until |
| // pauses are complete. NOTE: that we also do this for activities that are starting in |
| // the paused state because they will first be resumed then paused on the client side. |
| if (DEBUG_SWITCH || DEBUG_PAUSE || DEBUG_STATES) Slog.v(TAG_PAUSE, |
| "realStartActivityLocked: Skipping start of r=" + r |
| + " some activities pausing..."); |
| return false; |
| } |
| |
| if (andResume) { |
| r.startFreezingScreenLocked(app, 0); |
| mWindowManager.setAppVisibility(r.appToken, true); |
| |
| // schedule launch ticks to collect information about slow apps. |
| r.startLaunchTickingLocked(); |
| } |
| |
| // Have the window manager re-evaluate the orientation of |
| // the screen based on the new activity order. Note that |
| // as a result of this, it can call back into the activity |
| // manager with a new orientation. We don't care about that, |
| // because the activity is not currently running so we are |
| // just restarting it anyway. |
| if (checkConfig) { |
| Configuration config = mWindowManager.updateOrientationFromAppTokens( |
| mService.mConfiguration, |
| r.mayFreezeScreenLocked(app) ? r.appToken : null); |
| mService.updateConfigurationLocked(config, r, false); |
| } |
| |
| r.app = app; |
| app.waitingToKill = null; |
| r.launchCount++; |
| r.lastLaunchTime = SystemClock.uptimeMillis(); |
| |
| if (DEBUG_ALL) Slog.v(TAG, "Launching: " + r); |
| |
| int idx = app.activities.indexOf(r); |
| if (idx < 0) { |
| app.activities.add(r); |
| } |
| mService.updateLruProcessLocked(app, true, null); |
| mService.updateOomAdjLocked(); |
| |
| final TaskRecord task = r.task; |
| if (task.mLockTaskAuth == LOCK_TASK_AUTH_LAUNCHABLE || |
| task.mLockTaskAuth == LOCK_TASK_AUTH_LAUNCHABLE_PRIV) { |
| setLockTaskModeLocked(task, LOCK_TASK_MODE_LOCKED, "mLockTaskAuth==LAUNCHABLE", false); |
| } |
| |
| final ActivityStack stack = task.stack; |
| try { |
| if (app.thread == null) { |
| throw new RemoteException(); |
| } |
| List<ResultInfo> results = null; |
| List<ReferrerIntent> newIntents = null; |
| if (andResume) { |
| results = r.results; |
| newIntents = r.newIntents; |
| } |
| if (DEBUG_SWITCH) Slog.v(TAG_SWITCH, |
| "Launching: " + r + " icicle=" + r.icicle + " with results=" + results |
| + " newIntents=" + newIntents + " andResume=" + andResume); |
| if (andResume) { |
| EventLog.writeEvent(EventLogTags.AM_RESTART_ACTIVITY, |
| r.userId, System.identityHashCode(r), |
| task.taskId, r.shortComponentName); |
| } |
| if (r.isHomeActivity()) { |
| // Home process is the root process of the task. |
| mService.mHomeProcess = task.mActivities.get(0).app; |
| } |
| mService.notifyPackageUse(r.intent.getComponent().getPackageName()); |
| r.sleeping = false; |
| r.forceNewConfig = false; |
| mService.showAskCompatModeDialogLocked(r); |
| r.compat = mService.compatibilityInfoForPackageLocked(r.info.applicationInfo); |
| ProfilerInfo profilerInfo = null; |
| if (mService.mProfileApp != null && mService.mProfileApp.equals(app.processName)) { |
| if (mService.mProfileProc == null || mService.mProfileProc == app) { |
| mService.mProfileProc = app; |
| final String profileFile = mService.mProfileFile; |
| if (profileFile != null) { |
| ParcelFileDescriptor profileFd = mService.mProfileFd; |
| if (profileFd != null) { |
| try { |
| profileFd = profileFd.dup(); |
| } catch (IOException e) { |
| if (profileFd != null) { |
| try { |
| profileFd.close(); |
| } catch (IOException o) { |
| } |
| profileFd = null; |
| } |
| } |
| } |
| |
| profilerInfo = new ProfilerInfo(profileFile, profileFd, |
| mService.mSamplingInterval, mService.mAutoStopProfiler); |
| } |
| } |
| } |
| |
| if (andResume) { |
| app.hasShownUi = true; |
| app.pendingUiClean = true; |
| } |
| app.forceProcessStateUpTo(mService.mTopProcessState); |
| app.thread.scheduleLaunchActivity(new Intent(r.intent), r.appToken, |
| System.identityHashCode(r), r.info, new Configuration(mService.mConfiguration), |
| new Configuration(task.mOverrideConfig), r.compat, r.launchedFromPackage, |
| task.voiceInteractor, app.repProcState, r.icicle, r.persistentState, results, |
| newIntents, !andResume, mService.isNextTransitionForward(), profilerInfo); |
| |
| if ((app.info.privateFlags&ApplicationInfo.PRIVATE_FLAG_CANT_SAVE_STATE) != 0) { |
| // This may be a heavy-weight process! Note that the package |
| // manager will ensure that only activity can run in the main |
| // process of the .apk, which is the only thing that will be |
| // considered heavy-weight. |
| if (app.processName.equals(app.info.packageName)) { |
| if (mService.mHeavyWeightProcess != null |
| && mService.mHeavyWeightProcess != app) { |
| Slog.w(TAG, "Starting new heavy weight process " + app |
| + " when already running " |
| + mService.mHeavyWeightProcess); |
| } |
| mService.mHeavyWeightProcess = app; |
| Message msg = mService.mHandler.obtainMessage( |
| ActivityManagerService.POST_HEAVY_NOTIFICATION_MSG); |
| msg.obj = r; |
| mService.mHandler.sendMessage(msg); |
| } |
| } |
| |
| } catch (RemoteException e) { |
| if (r.launchFailed) { |
| // This is the second time we failed -- finish activity |
| // and give up. |
| Slog.e(TAG, "Second failure launching " |
| + r.intent.getComponent().flattenToShortString() |
| + ", giving up", e); |
| mService.appDiedLocked(app); |
| stack.requestFinishActivityLocked(r.appToken, Activity.RESULT_CANCELED, null, |
| "2nd-crash", false); |
| return false; |
| } |
| |
| // This is the first time we failed -- restart process and |
| // retry. |
| app.activities.remove(r); |
| throw e; |
| } |
| |
| r.launchFailed = false; |
| if (stack.updateLRUListLocked(r)) { |
| Slog.w(TAG, "Activity " + r + " being launched, but already in LRU list"); |
| } |
| |
| if (andResume) { |
| // As part of the process of launching, ActivityThread also performs |
| // a resume. |
| stack.minimalResumeActivityLocked(r); |
| } else { |
| // This activity is not starting in the resumed state... which should look like we asked |
| // it to pause+stop (but remain visible), and it has done so and reported back the |
| // current icicle and other state. |
| if (DEBUG_STATES) Slog.v(TAG_STATES, |
| "Moving to PAUSED: " + r + " (starting in paused state)"); |
| r.state = PAUSED; |
| } |
| |
| // Launch the new version setup screen if needed. We do this -after- |
| // launching the initial activity (that is, home), so that it can have |
| // a chance to initialize itself while in the background, making the |
| // switch back to it faster and look better. |
| if (isFocusedStack(stack)) { |
| mService.startSetupActivityLocked(); |
| } |
| |
| // Update any services we are bound to that might care about whether |
| // their client may have activities. |
| mService.mServices.updateServiceConnectionActivitiesLocked(r.app); |
| |
| return true; |
| } |
| |
| void startSpecificActivityLocked(ActivityRecord r, |
| boolean andResume, boolean checkConfig) { |
| // Is this activity's application already running? |
| ProcessRecord app = mService.getProcessRecordLocked(r.processName, |
| r.info.applicationInfo.uid, true); |
| |
| r.task.stack.setLaunchTime(r); |
| |
| if (app != null && app.thread != null) { |
| try { |
| if ((r.info.flags&ActivityInfo.FLAG_MULTIPROCESS) == 0 |
| || !"android".equals(r.info.packageName)) { |
| // Don't add this if it is a platform component that is marked |
| // to run in multiple processes, because this is actually |
| // part of the framework so doesn't make sense to track as a |
| // separate apk in the process. |
| app.addPackage(r.info.packageName, r.info.applicationInfo.versionCode, |
| mService.mProcessStats); |
| } |
| realStartActivityLocked(r, app, andResume, checkConfig); |
| return; |
| } catch (RemoteException e) { |
| Slog.w(TAG, "Exception when starting activity " |
| + r.intent.getComponent().flattenToShortString(), e); |
| } |
| |
| // If a dead object exception was thrown -- fall through to |
| // restart the application. |
| } |
| |
| mService.startProcessLocked(r.processName, r.info.applicationInfo, true, 0, |
| "activity", r.intent.getComponent(), false, false, true); |
| } |
| |
| boolean checkStartAnyActivityPermission(Intent intent, ActivityInfo aInfo, |
| String resultWho, int requestCode, int callingPid, int callingUid, |
| String callingPackage, boolean ignoreTargetSecurity, ProcessRecord callerApp, |
| ActivityRecord resultRecord, ActivityStack resultStack, ActivityOptions options) { |
| final int startAnyPerm = mService.checkPermission(START_ANY_ACTIVITY, callingPid, |
| callingUid); |
| if (startAnyPerm == PERMISSION_GRANTED) { |
| return true; |
| } |
| final int componentRestriction = getComponentRestrictionForCallingPackage( |
| aInfo, callingPackage, callingPid, callingUid, ignoreTargetSecurity); |
| final int actionRestriction = getActionRestrictionForCallingPackage( |
| intent.getAction(), callingPackage, callingPid, callingUid); |
| if (componentRestriction == ACTIVITY_RESTRICTION_PERMISSION |
| || actionRestriction == ACTIVITY_RESTRICTION_PERMISSION) { |
| if (resultRecord != null) { |
| resultStack.sendActivityResultLocked(-1, |
| resultRecord, resultWho, requestCode, |
| Activity.RESULT_CANCELED, null); |
| } |
| final String msg; |
| if (actionRestriction == ACTIVITY_RESTRICTION_PERMISSION) { |
| msg = "Permission Denial: starting " + intent.toString() |
| + " from " + callerApp + " (pid=" + callingPid |
| + ", uid=" + callingUid + ")" + " with revoked permission " |
| + ACTION_TO_RUNTIME_PERMISSION.get(intent.getAction()); |
| } else if (!aInfo.exported) { |
| msg = "Permission Denial: starting " + intent.toString() |
| + " from " + callerApp + " (pid=" + callingPid |
| + ", uid=" + callingUid + ")" |
| + " not exported from uid " + aInfo.applicationInfo.uid; |
| } else { |
| msg = "Permission Denial: starting " + intent.toString() |
| + " from " + callerApp + " (pid=" + callingPid |
| + ", uid=" + callingUid + ")" |
| + " requires " + aInfo.permission; |
| } |
| Slog.w(TAG, msg); |
| throw new SecurityException(msg); |
| } |
| |
| if (actionRestriction == ACTIVITY_RESTRICTION_APPOP) { |
| final String message = "Appop Denial: starting " + intent.toString() |
| + " from " + callerApp + " (pid=" + callingPid |
| + ", uid=" + callingUid + ")" |
| + " requires " + AppOpsManager.permissionToOp( |
| ACTION_TO_RUNTIME_PERMISSION.get(intent.getAction())); |
| Slog.w(TAG, message); |
| return false; |
| } else if (componentRestriction == ACTIVITY_RESTRICTION_APPOP) { |
| final String message = "Appop Denial: starting " + intent.toString() |
| + " from " + callerApp + " (pid=" + callingPid |
| + ", uid=" + callingUid + ")" |
| + " requires appop " + AppOpsManager.permissionToOp(aInfo.permission); |
| Slog.w(TAG, message); |
| return false; |
| } |
| if (options != null && options.getLaunchTaskId() != -1) { |
| final int startInTaskPerm = mService.checkPermission(START_TASKS_FROM_RECENTS, |
| callingPid, callingUid); |
| if (startInTaskPerm != PERMISSION_GRANTED) { |
| final String msg = "Permission Denial: starting " + intent.toString() |
| + " from " + callerApp + " (pid=" + callingPid |
| + ", uid=" + callingUid + ") with launchTaskId=" |
| + options.getLaunchTaskId(); |
| Slog.w(TAG, msg); |
| throw new SecurityException(msg); |
| } |
| } |
| |
| return true; |
| } |
| |
| UserInfo getUserInfo(int userId) { |
| final long identity = Binder.clearCallingIdentity(); |
| try { |
| return UserManager.get(mService.mContext).getUserInfo(userId); |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| |
| private int getComponentRestrictionForCallingPackage(ActivityInfo activityInfo, |
| String callingPackage, int callingPid, int callingUid, boolean ignoreTargetSecurity) { |
| if (!ignoreTargetSecurity && mService.checkComponentPermission(activityInfo.permission, |
| callingPid, callingUid, activityInfo.applicationInfo.uid, activityInfo.exported) |
| == PackageManager.PERMISSION_DENIED) { |
| return ACTIVITY_RESTRICTION_PERMISSION; |
| } |
| |
| if (activityInfo.permission == null) { |
| return ACTIVITY_RESTRICTION_NONE; |
| } |
| |
| final int opCode = AppOpsManager.permissionToOpCode(activityInfo.permission); |
| if (opCode == AppOpsManager.OP_NONE) { |
| return ACTIVITY_RESTRICTION_NONE; |
| } |
| |
| if (mService.mAppOpsService.noteOperation(opCode, callingUid, |
| callingPackage) != AppOpsManager.MODE_ALLOWED) { |
| if (!ignoreTargetSecurity) { |
| return ACTIVITY_RESTRICTION_APPOP; |
| } |
| } |
| |
| return ACTIVITY_RESTRICTION_NONE; |
| } |
| |
| private int getActionRestrictionForCallingPackage(String action, |
| String callingPackage, int callingPid, int callingUid) { |
| if (action == null) { |
| return ACTIVITY_RESTRICTION_NONE; |
| } |
| |
| String permission = ACTION_TO_RUNTIME_PERMISSION.get(action); |
| if (permission == null) { |
| return ACTIVITY_RESTRICTION_NONE; |
| } |
| |
| final PackageInfo packageInfo; |
| try { |
| packageInfo = mService.mContext.getPackageManager() |
| .getPackageInfo(callingPackage, PackageManager.GET_PERMISSIONS); |
| } catch (PackageManager.NameNotFoundException e) { |
| Slog.i(TAG, "Cannot find package info for " + callingPackage); |
| return ACTIVITY_RESTRICTION_NONE; |
| } |
| |
| if (!ArrayUtils.contains(packageInfo.requestedPermissions, permission)) { |
| return ACTIVITY_RESTRICTION_NONE; |
| } |
| |
| if (mService.checkPermission(permission, callingPid, callingUid) == |
| PackageManager.PERMISSION_DENIED) { |
| return ACTIVITY_RESTRICTION_PERMISSION; |
| } |
| |
| final int opCode = AppOpsManager.permissionToOpCode(permission); |
| if (opCode == AppOpsManager.OP_NONE) { |
| return ACTIVITY_RESTRICTION_NONE; |
| } |
| |
| if (mService.mAppOpsService.noteOperation(opCode, callingUid, |
| callingPackage) != AppOpsManager.MODE_ALLOWED) { |
| return ACTIVITY_RESTRICTION_APPOP; |
| } |
| |
| return ACTIVITY_RESTRICTION_NONE; |
| } |
| |
| boolean moveActivityStackToFront(ActivityRecord r, String reason) { |
| if (r == null) { |
| // Not sure what you are trying to do, but it is not going to work... |
| return false; |
| } |
| final TaskRecord task = r.task; |
| if (task == null || task.stack == null) { |
| Slog.w(TAG, "Can't move stack to front for r=" + r + " task=" + task); |
| return false; |
| } |
| task.stack.moveToFront(reason, task); |
| return true; |
| } |
| |
| void setLaunchSource(int uid) { |
| mLaunchingActivity.setWorkSource(new WorkSource(uid)); |
| } |
| |
| void acquireLaunchWakelock() { |
| if (VALIDATE_WAKE_LOCK_CALLER && Binder.getCallingUid() != Process.myUid()) { |
| throw new IllegalStateException("Calling must be system uid"); |
| } |
| mLaunchingActivity.acquire(); |
| if (!mHandler.hasMessages(LAUNCH_TIMEOUT_MSG)) { |
| // To be safe, don't allow the wake lock to be held for too long. |
| mHandler.sendEmptyMessageDelayed(LAUNCH_TIMEOUT_MSG, LAUNCH_TIMEOUT); |
| } |
| } |
| |
| /** |
| * Called when the frontmost task is idle. |
| * @return the state of mService.mBooting before this was called. |
| */ |
| private boolean checkFinishBootingLocked() { |
| final boolean booting = mService.mBooting; |
| boolean enableScreen = false; |
| mService.mBooting = false; |
| if (!mService.mBooted) { |
| mService.mBooted = true; |
| enableScreen = true; |
| } |
| if (booting || enableScreen) { |
| mService.postFinishBooting(booting, enableScreen); |
| } |
| return booting; |
| } |
| |
| // Checked. |
| final ActivityRecord activityIdleInternalLocked(final IBinder token, boolean fromTimeout, |
| Configuration config) { |
| if (DEBUG_ALL) Slog.v(TAG, "Activity idle: " + token); |
| |
| ArrayList<ActivityRecord> finishes = null; |
| ArrayList<UserState> startingUsers = null; |
| int NS = 0; |
| int NF = 0; |
| boolean booting = false; |
| boolean activityRemoved = false; |
| |
| ActivityRecord r = ActivityRecord.forTokenLocked(token); |
| if (r != null) { |
| if (DEBUG_IDLE) Slog.d(TAG_IDLE, "activityIdleInternalLocked: Callers=" |
| + Debug.getCallers(4)); |
| mHandler.removeMessages(IDLE_TIMEOUT_MSG, r); |
| r.finishLaunchTickingLocked(); |
| if (fromTimeout) { |
| reportActivityLaunchedLocked(fromTimeout, r, -1, -1); |
| } |
| |
| // This is a hack to semi-deal with a race condition |
| // in the client where it can be constructed with a |
| // newer configuration from when we asked it to launch. |
| // We'll update with whatever configuration it now says |
| // it used to launch. |
| if (config != null) { |
| r.configuration = config; |
| } |
| |
| // We are now idle. If someone is waiting for a thumbnail from |
| // us, we can now deliver. |
| r.idle = true; |
| |
| //Slog.i(TAG, "IDLE: mBooted=" + mBooted + ", fromTimeout=" + fromTimeout); |
| if (isFocusedStack(r.task.stack) || fromTimeout) { |
| booting = checkFinishBootingLocked(); |
| } |
| } |
| |
| if (allResumedActivitiesIdle()) { |
| if (r != null) { |
| mService.scheduleAppGcsLocked(); |
| } |
| |
| if (mLaunchingActivity.isHeld()) { |
| mHandler.removeMessages(LAUNCH_TIMEOUT_MSG); |
| if (VALIDATE_WAKE_LOCK_CALLER && |
| Binder.getCallingUid() != Process.myUid()) { |
| throw new IllegalStateException("Calling must be system uid"); |
| } |
| mLaunchingActivity.release(); |
| } |
| ensureActivitiesVisibleLocked(null, 0, !PRESERVE_WINDOWS); |
| } |
| |
| // Atomically retrieve all of the other things to do. |
| final ArrayList<ActivityRecord> stops = processStoppingActivitiesLocked(true); |
| NS = stops != null ? stops.size() : 0; |
| if ((NF = mFinishingActivities.size()) > 0) { |
| finishes = new ArrayList<>(mFinishingActivities); |
| mFinishingActivities.clear(); |
| } |
| |
| if (mStartingUsers.size() > 0) { |
| startingUsers = new ArrayList<>(mStartingUsers); |
| mStartingUsers.clear(); |
| } |
| |
| // Stop any activities that are scheduled to do so but have been |
| // waiting for the next one to start. |
| for (int i = 0; i < NS; i++) { |
| r = stops.get(i); |
| final ActivityStack stack = r.task.stack; |
| if (stack != null) { |
| if (r.finishing) { |
| stack.finishCurrentActivityLocked(r, ActivityStack.FINISH_IMMEDIATELY, false); |
| } else { |
| stack.stopActivityLocked(r); |
| } |
| } |
| } |
| |
| // Finish any activities that are scheduled to do so but have been |
| // waiting for the next one to start. |
| for (int i = 0; i < NF; i++) { |
| r = finishes.get(i); |
| final ActivityStack stack = r.task.stack; |
| if (stack != null) { |
| activityRemoved |= stack.destroyActivityLocked(r, true, "finish-idle"); |
| } |
| } |
| |
| if (!booting) { |
| // Complete user switch |
| if (startingUsers != null) { |
| for (int i = 0; i < startingUsers.size(); i++) { |
| mService.mUserController.finishUserSwitch(startingUsers.get(i)); |
| } |
| } |
| } |
| |
| mService.trimApplications(); |
| //dump(); |
| //mWindowManager.dump(); |
| |
| if (activityRemoved) { |
| resumeFocusedStackTopActivityLocked(); |
| } |
| |
| return r; |
| } |
| |
| boolean handleAppDiedLocked(ProcessRecord app) { |
| boolean hasVisibleActivities = false; |
| for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { |
| final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; |
| for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { |
| hasVisibleActivities |= stacks.get(stackNdx).handleAppDiedLocked(app); |
| } |
| } |
| return hasVisibleActivities; |
| } |
| |
| void closeSystemDialogsLocked() { |
| for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { |
| final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; |
| for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { |
| stacks.get(stackNdx).closeSystemDialogsLocked(); |
| } |
| } |
| } |
| |
| void removeUserLocked(int userId) { |
| mUserStackInFront.delete(userId); |
| } |
| |
| /** |
| * Update the last used stack id for non-current user (current user's last |
| * used stack is the focused stack) |
| */ |
| void updateUserStackLocked(int userId, ActivityStack stack) { |
| if (userId != mCurrentUser) { |
| mUserStackInFront.put(userId, stack != null ? stack.getStackId() : HOME_STACK_ID); |
| } |
| } |
| |
| /** |
| * @return true if some activity was finished (or would have finished if doit were true). |
| */ |
| boolean finishDisabledPackageActivitiesLocked(String packageName, Set<String> filterByClasses, |
| boolean doit, boolean evenPersistent, int userId) { |
| boolean didSomething = false; |
| for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { |
| final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; |
| for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { |
| final ActivityStack stack = stacks.get(stackNdx); |
| if (stack.finishDisabledPackageActivitiesLocked( |
| packageName, filterByClasses, doit, evenPersistent, userId)) { |
| didSomething = true; |
| } |
| } |
| } |
| return didSomething; |
| } |
| |
| void updatePreviousProcessLocked(ActivityRecord r) { |
| // Now that this process has stopped, we may want to consider |
| // it to be the previous app to try to keep around in case |
| // the user wants to return to it. |
| |
| // First, found out what is currently the foreground app, so that |
| // we don't blow away the previous app if this activity is being |
| // hosted by the process that is actually still the foreground. |
| ProcessRecord fgApp = null; |
| for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { |
| final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; |
| for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { |
| final ActivityStack stack = stacks.get(stackNdx); |
| if (isFocusedStack(stack)) { |
| if (stack.mResumedActivity != null) { |
| fgApp = stack.mResumedActivity.app; |
| } else if (stack.mPausingActivity != null) { |
| fgApp = stack.mPausingActivity.app; |
| } |
| break; |
| } |
| } |
| } |
| |
| // Now set this one as the previous process, only if that really |
| // makes sense to. |
| if (r.app != null && fgApp != null && r.app != fgApp |
| && r.lastVisibleTime > mService.mPreviousProcessVisibleTime |
| && r.app != mService.mHomeProcess) { |
| mService.mPreviousProcess = r.app; |
| mService.mPreviousProcessVisibleTime = r.lastVisibleTime; |
| } |
| } |
| |
| boolean resumeFocusedStackTopActivityLocked() { |
| return resumeFocusedStackTopActivityLocked(null, null, null); |
| } |
| |
| boolean resumeFocusedStackTopActivityLocked( |
| ActivityStack targetStack, ActivityRecord target, ActivityOptions targetOptions) { |
| if (targetStack != null && isFocusedStack(targetStack)) { |
| return targetStack.resumeTopActivityUncheckedLocked(target, targetOptions); |
| } |
| mFocusedStack.resumeTopActivityUncheckedLocked(null, null); |
| return false; |
| } |
| |
| void updateActivityApplicationInfoLocked(ApplicationInfo aInfo) { |
| for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { |
| final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; |
| for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { |
| stacks.get(stackNdx).updateActivityApplicationInfoLocked(aInfo); |
| } |
| } |
| } |
| |
| TaskRecord finishTopRunningActivityLocked(ProcessRecord app, String reason) { |
| TaskRecord finishedTask = null; |
| ActivityStack focusedStack = getFocusedStack(); |
| for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { |
| final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; |
| final int numStacks = stacks.size(); |
| for (int stackNdx = 0; stackNdx < numStacks; ++stackNdx) { |
| final ActivityStack stack = stacks.get(stackNdx); |
| TaskRecord t = stack.finishTopRunningActivityLocked(app, reason); |
| if (stack == focusedStack || finishedTask == null) { |
| finishedTask = t; |
| } |
| } |
| } |
| return finishedTask; |
| } |
| |
| void finishVoiceTask(IVoiceInteractionSession session) { |
| for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { |
| final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; |
| final int numStacks = stacks.size(); |
| for (int stackNdx = 0; stackNdx < numStacks; ++stackNdx) { |
| final ActivityStack stack = stacks.get(stackNdx); |
| stack.finishVoiceTask(session); |
| } |
| } |
| } |
| |
| void findTaskToMoveToFrontLocked(TaskRecord task, int flags, ActivityOptions options, |
| String reason, boolean forceNonResizeable) { |
| if ((flags & ActivityManager.MOVE_TASK_NO_USER_ACTION) == 0) { |
| mUserLeaving = true; |
| } |
| if ((flags & ActivityManager.MOVE_TASK_WITH_HOME) != 0) { |
| // Caller wants the home activity moved with it. To accomplish this, |
| // we'll just indicate that this task returns to the home task. |
| task.setTaskToReturnTo(HOME_ACTIVITY_TYPE); |
| } |
| if (task.stack == null) { |
| Slog.e(TAG, "findTaskToMoveToFrontLocked: can't move task=" |
| + task + " to front. Stack is null"); |
| return; |
| } |
| |
| if (task.isResizeable() && options != null) { |
| int stackId = options.getLaunchStackId(); |
| if (canUseActivityOptionsLaunchBounds(options, stackId)) { |
| final Rect bounds = TaskRecord.validateBounds(options.getLaunchBounds()); |
| task.updateOverrideConfiguration(bounds); |
| if (stackId == INVALID_STACK_ID) { |
| stackId = task.getLaunchStackId(); |
| } |
| if (stackId != task.stack.mStackId) { |
| final ActivityStack stack = moveTaskToStackUncheckedLocked( |
| task, stackId, ON_TOP, !FORCE_FOCUS, reason); |
| stackId = stack.mStackId; |
| // moveTaskToStackUncheckedLocked() should already placed the task on top, |
| // still need moveTaskToFrontLocked() below for any transition settings. |
| } |
| if (StackId.resizeStackWithLaunchBounds(stackId)) { |
| resizeStackLocked(stackId, bounds, |
| null /* tempTaskBounds */, null /* tempTaskInsetBounds */, |
| !PRESERVE_WINDOWS, true /* allowResizeInDockedMode */); |
| } else { |
| // WM resizeTask must be done after the task is moved to the correct stack, |
| // because Task's setBounds() also updates dim layer's bounds, but that has |
| // dependency on the stack. |
| mWindowManager.resizeTask(task.taskId, task.mBounds, task.mOverrideConfig, |
| false /* relayout */, false /* forced */); |
| } |
| } |
| } |
| |
| final ActivityRecord r = task.getTopActivity(); |
| task.stack.moveTaskToFrontLocked(task, false /* noAnimation */, options, |
| r == null ? null : r.appTimeTracker, reason); |
| |
| if (DEBUG_STACK) Slog.d(TAG_STACK, |
| "findTaskToMoveToFront: moved to front of stack=" + task.stack); |
| |
| handleNonResizableTaskIfNeeded(task, INVALID_STACK_ID, task.stack.mStackId, |
| forceNonResizeable); |
| } |
| |
| boolean canUseActivityOptionsLaunchBounds(ActivityOptions options, int launchStackId) { |
| // We use the launch bounds in the activity options is the device supports freeform |
| // window management or is launching into the pinned stack. |
| if (options.getLaunchBounds() == null) { |
| return false; |
| } |
| return (mService.mSupportsPictureInPicture && launchStackId == PINNED_STACK_ID) |
| || mService.mSupportsFreeformWindowManagement; |
| } |
| |
| ActivityStack getStack(int stackId) { |
| return getStack(stackId, !CREATE_IF_NEEDED, !ON_TOP); |
| } |
| |
| ActivityStack getStack(int stackId, boolean createStaticStackIfNeeded, boolean createOnTop) { |
| ActivityContainer activityContainer = mActivityContainers.get(stackId); |
| if (activityContainer != null) { |
| return activityContainer.mStack; |
| } |
| if (!createStaticStackIfNeeded || !StackId.isStaticStack(stackId)) { |
| return null; |
| } |
| return createStackOnDisplay(stackId, Display.DEFAULT_DISPLAY, createOnTop); |
| } |
| |
| ArrayList<ActivityStack> getStacks() { |
| ArrayList<ActivityStack> allStacks = new ArrayList<>(); |
| for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { |
| allStacks.addAll(mActivityDisplays.valueAt(displayNdx).mStacks); |
| } |
| return allStacks; |
| } |
| |
| IBinder getHomeActivityToken() { |
| ActivityRecord homeActivity = getHomeActivity(); |
| if (homeActivity != null) { |
| return homeActivity.appToken; |
| } |
| return null; |
| } |
| |
| ActivityRecord getHomeActivity() { |
| return getHomeActivityForUser(mCurrentUser); |
| } |
| |
| ActivityRecord getHomeActivityForUser(int userId) { |
| final ArrayList<TaskRecord> tasks = mHomeStack.getAllTasks(); |
| for (int taskNdx = tasks.size() - 1; taskNdx >= 0; --taskNdx) { |
| final TaskRecord task = tasks.get(taskNdx); |
| if (task.isHomeTask()) { |
| final ArrayList<ActivityRecord> activities = task.mActivities; |
| for (int activityNdx = activities.size() - 1; activityNdx >= 0; --activityNdx) { |
| final ActivityRecord r = activities.get(activityNdx); |
| if (r.isHomeActivity() |
| && ((userId == UserHandle.USER_ALL) || (r.userId == userId))) { |
| return r; |
| } |
| } |
| } |
| } |
| return null; |
| } |
| |
| /** |
| * Returns if a stack should be treated as if it's docked. Returns true if the stack is |
| * the docked stack itself, or if it's side-by-side to the docked stack. |
| */ |
| boolean isStackDockedInEffect(int stackId) { |
| return stackId == DOCKED_STACK_ID || |
| (StackId.isResizeableByDockedStack(stackId) && getStack(DOCKED_STACK_ID) != null); |
| } |
| |
| ActivityContainer createVirtualActivityContainer(ActivityRecord parentActivity, |
| IActivityContainerCallback callback) { |
| ActivityContainer activityContainer = |
| new VirtualActivityContainer(parentActivity, callback); |
| mActivityContainers.put(activityContainer.mStackId, activityContainer); |
| if (DEBUG_CONTAINERS) Slog.d(TAG_CONTAINERS, |
| "createActivityContainer: " + activityContainer); |
| parentActivity.mChildContainers.add(activityContainer); |
| return activityContainer; |
| } |
| |
| void removeChildActivityContainers(ActivityRecord parentActivity) { |
| final ArrayList<ActivityContainer> childStacks = parentActivity.mChildContainers; |
| for (int containerNdx = childStacks.size() - 1; containerNdx >= 0; --containerNdx) { |
| ActivityContainer container = childStacks.remove(containerNdx); |
| if (DEBUG_CONTAINERS) Slog.d(TAG_CONTAINERS, "removeChildActivityContainers: removing " |
| + container); |
| container.release(); |
| } |
| } |
| |
| void deleteActivityContainer(IActivityContainer container) { |
| ActivityContainer activityContainer = (ActivityContainer)container; |
| if (activityContainer != null) { |
| if (DEBUG_CONTAINERS) Slog.d(TAG_CONTAINERS, |
| "deleteActivityContainer: callers=" + Debug.getCallers(4)); |
| final int stackId = activityContainer.mStackId; |
| mActivityContainers.remove(stackId); |
| mWindowManager.removeStack(stackId); |
| } |
| } |
| |
| void resizeStackLocked(int stackId, Rect bounds, Rect tempTaskBounds, Rect tempTaskInsetBounds, |
| boolean preserveWindows, boolean allowResizeInDockedMode) { |
| if (stackId == DOCKED_STACK_ID) { |
| resizeDockedStackLocked(bounds, tempTaskBounds, tempTaskInsetBounds, null, null, |
| preserveWindows); |
| return; |
| } |
| final ActivityStack stack = getStack(stackId); |
| if (stack == null) { |
| Slog.w(TAG, "resizeStack: stackId " + stackId + " not found."); |
| return; |
| } |
| |
| if (!allowResizeInDockedMode && getStack(DOCKED_STACK_ID) != null) { |
| // If the docked stack exist we don't allow resizes of stacks not caused by the docked |
| // stack size changing so things don't get out of sync. |
| return; |
| } |
| |
| Trace.traceBegin(TRACE_TAG_ACTIVITY_MANAGER, "am.resizeStack_" + stackId); |
| mWindowManager.deferSurfaceLayout(); |
| try { |
| resizeStackUncheckedLocked(stack, bounds, tempTaskBounds, tempTaskInsetBounds); |
| ensureConfigurationAndResume(stack, stack.topRunningActivityLocked(), preserveWindows); |
| } finally { |
| mWindowManager.continueSurfaceLayout(); |
| Trace.traceEnd(TRACE_TAG_ACTIVITY_MANAGER); |
| } |
| } |
| |
| void deferUpdateBounds(int stackId) { |
| final ActivityStack stack = getStack(stackId); |
| if (stack != null) { |
| stack.deferUpdateBounds(); |
| } |
| } |
| |
| void continueUpdateBounds(int stackId) { |
| final ActivityStack stack = getStack(stackId); |
| if (stack != null) { |
| stack.continueUpdateBounds(); |
| } |
| } |
| |
| void notifyAppTransitionDone() { |
| continueUpdateBounds(HOME_STACK_ID); |
| for (int i = mResizingTasksDuringAnimation.size() - 1; i >= 0; i--) { |
| final int taskId = mResizingTasksDuringAnimation.valueAt(i); |
| if (anyTaskForIdLocked(taskId) != null) { |
| mWindowManager.setTaskDockedResizing(taskId, false); |
| } |
| } |
| mResizingTasksDuringAnimation.clear(); |
| } |
| |
| void resizeStackUncheckedLocked(ActivityStack stack, Rect bounds, Rect tempTaskBounds, |
| Rect tempTaskInsetBounds) { |
| bounds = TaskRecord.validateBounds(bounds); |
| |
| if (!stack.updateBoundsAllowed(bounds, tempTaskBounds, tempTaskInsetBounds)) { |
| return; |
| } |
| |
| mTmpBounds.clear(); |
| mTmpConfigs.clear(); |
| mTmpInsetBounds.clear(); |
| final ArrayList<TaskRecord> tasks = stack.getAllTasks(); |
| final Rect taskBounds = tempTaskBounds != null ? tempTaskBounds : bounds; |
| final Rect insetBounds = tempTaskInsetBounds != null ? tempTaskInsetBounds : taskBounds; |
| for (int i = tasks.size() - 1; i >= 0; i--) { |
| final TaskRecord task = tasks.get(i); |
| if (task.isResizeable()) { |
| if (stack.mStackId == FREEFORM_WORKSPACE_STACK_ID) { |
| // For freeform stack we don't adjust the size of the tasks to match that |
| // of the stack, but we do try to make sure the tasks are still contained |
| // with the bounds of the stack. |
| tempRect2.set(task.mBounds); |
| fitWithinBounds(tempRect2, bounds); |
| task.updateOverrideConfiguration(tempRect2); |
| } else { |
| task.updateOverrideConfiguration(taskBounds, insetBounds); |
| } |
| } |
| |
| mTmpConfigs.put(task.taskId, task.mOverrideConfig); |
| mTmpBounds.put(task.taskId, task.mBounds); |
| if (tempTaskInsetBounds != null) { |
| mTmpInsetBounds.put(task.taskId, tempTaskInsetBounds); |
| } |
| } |
| |
| // We might trigger a configuration change. Save the current task bounds for freezing. |
| mWindowManager.prepareFreezingTaskBounds(stack.mStackId); |
| stack.mFullscreen = mWindowManager.resizeStack(stack.mStackId, bounds, mTmpConfigs, |
| mTmpBounds, mTmpInsetBounds); |
| stack.setBounds(bounds); |
| } |
| |
| private void ensureConfigurationAndResume(ActivityStack stack, ActivityRecord r, |
| boolean preserveWindows) { |
| if (r == null || !r.visible) { |
| return; |
| } |
| final boolean updated = stack.ensureActivityConfigurationLocked(r, 0, |
| preserveWindows); |
| if (!updated) { |
| resumeFocusedStackTopActivityLocked(); |
| } |
| } |
| |
| void resizeDockedStackLocked(Rect dockedBounds, Rect tempDockedTaskBounds, |
| Rect tempDockedTaskInsetBounds, |
| Rect tempOtherTaskBounds, Rect tempOtherTaskInsetBounds, boolean preserveWindows) { |
| final ActivityStack stack = getStack(DOCKED_STACK_ID); |
| if (stack == null) { |
| Slog.w(TAG, "resizeDockedStackLocked: docked stack not found"); |
| return; |
| } |
| |
| Trace.traceBegin(TRACE_TAG_ACTIVITY_MANAGER, "am.resizeDockedStack"); |
| mWindowManager.deferSurfaceLayout(); |
| try { |
| ActivityRecord r = stack.topRunningActivityLocked(); |
| resizeStackUncheckedLocked(stack, dockedBounds, tempDockedTaskBounds, |
| tempDockedTaskInsetBounds); |
| |
| // TODO: Checking for isAttached might not be needed as if the user passes in null |
| // dockedBounds then they want the docked stack to be dismissed. |
| if (stack.mFullscreen || (dockedBounds == null && !stack.isAttached())) { |
| // The dock stack either was dismissed or went fullscreen, which is kinda the same. |
| // In this case we make all other static stacks fullscreen and move all |
| // docked stack tasks to the fullscreen stack. |
| for (int i = FIRST_STATIC_STACK_ID; i <= LAST_STATIC_STACK_ID; i++) { |
| if (StackId.isResizeableByDockedStack(i) && getStack(i) != null) { |
| resizeStackLocked(i, null, null, null, preserveWindows, |
| true /* allowResizeInDockedMode */); |
| } |
| } |
| |
| ArrayList<TaskRecord> tasks = stack.getAllTasks(); |
| final int count = tasks.size(); |
| for (int i = 0; i < count; i++) { |
| moveTaskToStackLocked(tasks.get(i).taskId, |
| FULLSCREEN_WORKSPACE_STACK_ID, ON_TOP, FORCE_FOCUS, "resizeStack", |
| false /* animate */); |
| } |
| |
| // stack shouldn't contain anymore activities, so nothing to resume. |
| r = null; |
| } else { |
| // Docked stacks occupy a dedicated region on screen so the size of all other |
| // static stacks need to be adjusted so they don't overlap with the docked stack. |
| // We get the bounds to use from window manager which has been adjusted for any |
| // screen controls and is also the same for all stacks. |
| mWindowManager.getStackDockedModeBounds( |
| HOME_STACK_ID, tempRect, true /* ignoreVisibility */); |
| for (int i = FIRST_STATIC_STACK_ID; i <= LAST_STATIC_STACK_ID; i++) { |
| if (StackId.isResizeableByDockedStack(i) && getStack(i) != null) { |
| resizeStackLocked(i, tempRect, tempOtherTaskBounds, |
| tempOtherTaskInsetBounds, preserveWindows, |
| true /* allowResizeInDockedMode */); |
| } |
| } |
| } |
| ensureConfigurationAndResume(stack, r, preserveWindows); |
| } finally { |
| mWindowManager.continueSurfaceLayout(); |
| Trace.traceEnd(TRACE_TAG_ACTIVITY_MANAGER); |
| } |
| |
| mResizeDockedStackTimeout.notifyResizing(dockedBounds, |
| tempDockedTaskBounds != null |
| || tempDockedTaskInsetBounds != null |
| || tempOtherTaskBounds != null |
| || tempOtherTaskInsetBounds != null); |
| } |
| |
| void resizePinnedStackLocked(Rect pinnedBounds, Rect tempPinnedTaskBounds) { |
| final ActivityStack stack = getStack(PINNED_STACK_ID); |
| if (stack == null) { |
| Slog.w(TAG, "resizePinnedStackLocked: pinned stack not found"); |
| return; |
| } |
| Trace.traceBegin(TRACE_TAG_ACTIVITY_MANAGER, "am.resizePinnedStack"); |
| mWindowManager.deferSurfaceLayout(); |
| try { |
| ActivityRecord r = stack.topRunningActivityLocked(); |
| resizeStackUncheckedLocked(stack, pinnedBounds, tempPinnedTaskBounds, |
| null); |
| ensureConfigurationAndResume(stack, r, false); |
| } finally { |
| mWindowManager.continueSurfaceLayout(); |
| Trace.traceEnd(TRACE_TAG_ACTIVITY_MANAGER); |
| } |
| } |
| |
| boolean resizeTaskLocked(TaskRecord task, Rect bounds, int resizeMode, boolean preserveWindow, |
| boolean deferResume) { |
| if (!task.isResizeable()) { |
| Slog.w(TAG, "resizeTask: task " + task + " not resizeable."); |
| return true; |
| } |
| |
| // If this is a forced resize, let it go through even if the bounds is not changing, |
| // as we might need a relayout due to surface size change (to/from fullscreen). |
| final boolean forced = (resizeMode & RESIZE_MODE_FORCED) != 0; |
| if (Objects.equals(task.mBounds, bounds) && !forced) { |
| // Nothing to do here... |
| return true; |
| } |
| bounds = TaskRecord.validateBounds(bounds); |
| |
| if (!mWindowManager.isValidTaskId(task.taskId)) { |
| // Task doesn't exist in window manager yet (e.g. was restored from recents). |
| // All we can do for now is update the bounds so it can be used when the task is |
| // added to window manager. |
| task.updateOverrideConfiguration(bounds); |
| if (task.stack != null && task.stack.mStackId != FREEFORM_WORKSPACE_STACK_ID) { |
| // re-restore the task so it can have the proper stack association. |
| restoreRecentTaskLocked(task, FREEFORM_WORKSPACE_STACK_ID); |
| } |
| return true; |
| } |
| |
| // Do not move the task to another stack here. |
| // This method assumes that the task is already placed in the right stack. |
| // we do not mess with that decision and we only do the resize! |
| |
| Trace.traceBegin(TRACE_TAG_ACTIVITY_MANAGER, "am.resizeTask_" + task.taskId); |
| |
| final Configuration overrideConfig = task.updateOverrideConfiguration(bounds); |
| // This variable holds information whether the configuration didn't change in a significant |
| // way and the activity was kept the way it was. If it's false, it means the activity had |
| // to be relaunched due to configuration change. |
| boolean kept = true; |
| if (overrideConfig != null) { |
| final ActivityRecord r = task.topRunningActivityLocked(); |
| if (r != null) { |
| final ActivityStack stack = task.stack; |
| kept = stack.ensureActivityConfigurationLocked(r, 0, preserveWindow); |
| |
| if (!deferResume) { |
| |
| // All other activities must be made visible with their correct configuration. |
| ensureActivitiesVisibleLocked(r, 0, !PRESERVE_WINDOWS); |
| if (!kept) { |
| resumeFocusedStackTopActivityLocked(); |
| } |
| } |
| } |
| } |
| mWindowManager.resizeTask(task.taskId, task.mBounds, task.mOverrideConfig, kept, forced); |
| |
| Trace.traceEnd(TRACE_TAG_ACTIVITY_MANAGER); |
| return kept; |
| } |
| |
| ActivityStack createStackOnDisplay(int stackId, int displayId, boolean onTop) { |
| ActivityDisplay activityDisplay = mActivityDisplays.get(displayId); |
| if (activityDisplay == null) { |
| return null; |
| } |
| |
| ActivityContainer activityContainer = new ActivityContainer(stackId); |
| mActivityContainers.put(stackId, activityContainer); |
| activityContainer.attachToDisplayLocked(activityDisplay, onTop); |
| return activityContainer.mStack; |
| } |
| |
| int getNextStackId() { |
| while (true) { |
| if (mNextFreeStackId >= FIRST_DYNAMIC_STACK_ID |
| && getStack(mNextFreeStackId) == null) { |
| break; |
| } |
| mNextFreeStackId++; |
| } |
| return mNextFreeStackId; |
| } |
| |
| /** |
| * Restores a recent task to a stack |
| * @param task The recent task to be restored. |
| * @param stackId The stack to restore the task to (default launch stack will be used |
| * if stackId is {@link android.app.ActivityManager.StackId#INVALID_STACK_ID}). |
| * @return true if the task has been restored successfully. |
| */ |
| private boolean restoreRecentTaskLocked(TaskRecord task, int stackId) { |
| if (stackId == INVALID_STACK_ID) { |
| stackId = task.getLaunchStackId(); |
| } else if (stackId == DOCKED_STACK_ID && !task.canGoInDockedStack()) { |
| // Preferred stack is the docked stack, but the task can't go in the docked stack. |
| // Put it in the fullscreen stack. |
| stackId = FULLSCREEN_WORKSPACE_STACK_ID; |
| } |
| |
| if (task.stack != null) { |
| // Task has already been restored once. See if we need to do anything more |
| if (task.stack.mStackId == stackId) { |
| // Nothing else to do since it is already restored in the right stack. |
| return true; |
| } |
| // Remove current stack association, so we can re-associate the task with the |
| // right stack below. |
| task.stack.removeTask(task, "restoreRecentTaskLocked", MOVING); |
| } |
| |
| final ActivityStack stack = |
| getStack(stackId, CREATE_IF_NEEDED, !ON_TOP); |
| |
| if (stack == null) { |
| // What does this mean??? Not sure how we would get here... |
| if (DEBUG_RECENTS) Slog.v(TAG_RECENTS, |
| "Unable to find/create stack to restore recent task=" + task); |
| return false; |
| } |
| |
| stack.addTask(task, false, "restoreRecentTask"); |
| if (DEBUG_RECENTS) Slog.v(TAG_RECENTS, |
| "Added restored task=" + task + " to stack=" + stack); |
| final ArrayList<ActivityRecord> activities = task.mActivities; |
| for (int activityNdx = activities.size() - 1; activityNdx >= 0; --activityNdx) { |
| stack.addConfigOverride(activities.get(activityNdx), task); |
| } |
| return true; |
| } |
| |
| /** |
| * Moves the specified task record to the input stack id. |
| * WARNING: This method performs an unchecked/raw move of the task and |
| * can leave the system in an unstable state if used incorrectly. |
| * Use {@link #moveTaskToStackLocked} to perform safe task movement to a stack. |
| * @param task Task to move. |
| * @param stackId Id of stack to move task to. |
| * @param toTop True if the task should be placed at the top of the stack. |
| * @param forceFocus if focus should be moved to the new stack |
| * @param reason Reason the task is been moved. |
| * @return The stack the task was moved to. |
| */ |
| ActivityStack moveTaskToStackUncheckedLocked( |
| TaskRecord task, int stackId, boolean toTop, boolean forceFocus, String reason) { |
| |
| if (StackId.isMultiWindowStack(stackId) && !mService.mSupportsMultiWindow) { |
| throw new IllegalStateException("moveTaskToStackUncheckedLocked: Device doesn't " |
| + "support multi-window task=" + task + " to stackId=" + stackId); |
| } |
| |
| final ActivityRecord r = task.getTopActivity(); |
| final ActivityStack prevStack = task.stack; |
| final boolean wasFocused = isFocusedStack(prevStack) && (topRunningActivityLocked() == r); |
| final boolean wasResumed = wasFocused && (prevStack.mResumedActivity == r); |
| // In some cases the focused stack isn't the front stack. E.g. pinned stack. |
| // Whenever we are moving the top activity from the front stack we want to make sure to move |
| // the stack to the front. |
| final boolean wasFront = isFrontStack(prevStack) |
| && (prevStack.topRunningActivityLocked() == r); |
| |
| if (stackId == DOCKED_STACK_ID && !task.isResizeable()) { |
| // We don't allow moving a unresizeable task to the docked stack since the docked |
| // stack is used for split-screen mode and will cause things like the docked divider to |
| // show up. We instead leave the task in its current stack or move it to the fullscreen |
| // stack if it isn't currently in a stack. |
| stackId = (prevStack != null) ? prevStack.mStackId : FULLSCREEN_WORKSPACE_STACK_ID; |
| Slog.w(TAG, "Can not move unresizeable task=" + task |
| + " to docked stack. Moving to stackId=" + stackId + " instead."); |
| } |
| |
| // Temporarily disable resizeablility of task we are moving. We don't want it to be resized |
| // if a docked stack is created below which will lead to the stack we are moving from and |
| // its resizeable tasks being resized. |
| task.mTemporarilyUnresizable = true; |
| final ActivityStack stack = getStack(stackId, CREATE_IF_NEEDED, toTop); |
| task.mTemporarilyUnresizable = false; |
| mWindowManager.moveTaskToStack(task.taskId, stack.mStackId, toTop); |
| stack.addTask(task, toTop, reason); |
| |
| // If the task had focus before (or we're requested to move focus), |
| // move focus to the new stack by moving the stack to the front. |
| stack.moveToFrontAndResumeStateIfNeeded( |
| r, forceFocus || wasFocused || wasFront, wasResumed, reason); |
| |
| return stack; |
| } |
| |
| boolean moveTaskToStackLocked(int taskId, int stackId, boolean toTop, boolean forceFocus, |
| String reason, boolean animate) { |
| return moveTaskToStackLocked(taskId, stackId, toTop, forceFocus, reason, animate, |
| false /* deferResume */); |
| } |
| |
| boolean moveTaskToStackLocked(int taskId, int stackId, boolean toTop, boolean forceFocus, |
| String reason, boolean animate, boolean deferResume) { |
| final TaskRecord task = anyTaskForIdLocked(taskId); |
| if (task == null) { |
| Slog.w(TAG, "moveTaskToStack: no task for id=" + taskId); |
| return false; |
| } |
| |
| if (task.stack != null && task.stack.mStackId == stackId) { |
| // You are already in the right stack silly... |
| Slog.i(TAG, "moveTaskToStack: taskId=" + taskId + " already in stackId=" + stackId); |
| return true; |
| } |
| |
| if (stackId == FREEFORM_WORKSPACE_STACK_ID && !mService.mSupportsFreeformWindowManagement) { |
| throw new IllegalArgumentException("moveTaskToStack:" |
| + "Attempt to move task " + taskId + " to unsupported freeform stack"); |
| } |
| |
| final ActivityRecord topActivity = task.getTopActivity(); |
| final int sourceStackId = task.stack != null ? task.stack.mStackId : INVALID_STACK_ID; |
| final boolean mightReplaceWindow = |
| StackId.replaceWindowsOnTaskMove(sourceStackId, stackId) && topActivity != null; |
| if (mightReplaceWindow) { |
| // We are about to relaunch the activity because its configuration changed due to |
| // being maximized, i.e. size change. The activity will first remove the old window |
| // and then add a new one. This call will tell window manager about this, so it can |
| // preserve the old window until the new one is drawn. This prevents having a gap |
| // between the removal and addition, in which no window is visible. We also want the |
| // entrance of the new window to be properly animated. |
| // Note here we always set the replacing window first, as the flags might be needed |
| // during the relaunch. If we end up not doing any relaunch, we clear the flags later. |
| mWindowManager.setReplacingWindow(topActivity.appToken, animate); |
| } |
| |
| mWindowManager.deferSurfaceLayout(); |
| final int preferredLaunchStackId = stackId; |
| boolean kept = true; |
| try { |
| final ActivityStack stack = moveTaskToStackUncheckedLocked( |
| task, stackId, toTop, forceFocus, reason + " moveTaskToStack"); |
| stackId = stack.mStackId; |
| |
| if (!animate) { |
| stack.mNoAnimActivities.add(topActivity); |
| } |
| |
| // We might trigger a configuration change. Save the current task bounds for freezing. |
| mWindowManager.prepareFreezingTaskBounds(stack.mStackId); |
| |
| // Make sure the task has the appropriate bounds/size for the stack it is in. |
| if (stackId == FULLSCREEN_WORKSPACE_STACK_ID && task.mBounds != null) { |
| kept = resizeTaskLocked(task, stack.mBounds, RESIZE_MODE_SYSTEM, |
| !mightReplaceWindow, deferResume); |
| } else if (stackId == FREEFORM_WORKSPACE_STACK_ID) { |
| Rect bounds = task.getLaunchBounds(); |
| if (bounds == null) { |
| stack.layoutTaskInStack(task, null); |
| bounds = task.mBounds; |
| } |
| kept = resizeTaskLocked(task, bounds, RESIZE_MODE_FORCED, !mightReplaceWindow, |
| deferResume); |
| } else if (stackId == DOCKED_STACK_ID || stackId == PINNED_STACK_ID) { |
| kept = resizeTaskLocked(task, stack.mBounds, RESIZE_MODE_SYSTEM, |
| !mightReplaceWindow, deferResume); |
| } |
| } finally { |
| mWindowManager.continueSurfaceLayout(); |
| } |
| |
| if (mightReplaceWindow) { |
| // If we didn't actual do a relaunch (indicated by kept==true meaning we kept the old |
| // window), we need to clear the replace window settings. Otherwise, we schedule a |
| // timeout to remove the old window if the replacing window is not coming in time. |
| mWindowManager.scheduleClearReplacingWindowIfNeeded(topActivity.appToken, !kept); |
| } |
| |
| if (!deferResume) { |
| |
| // The task might have already been running and its visibility needs to be synchronized with |
| // the visibility of the stack / windows. |
| ensureActivitiesVisibleLocked(null, 0, !mightReplaceWindow); |
| resumeFocusedStackTopActivityLocked(); |
| } |
| |
| handleNonResizableTaskIfNeeded(task, preferredLaunchStackId, stackId); |
| |
| return (preferredLaunchStackId == stackId); |
| } |
| |
| boolean moveTopStackActivityToPinnedStackLocked(int stackId, Rect bounds) { |
| final ActivityStack stack = getStack(stackId, !CREATE_IF_NEEDED, !ON_TOP); |
| if (stack == null) { |
| throw new IllegalArgumentException( |
| "moveTopStackActivityToPinnedStackLocked: Unknown stackId=" + stackId); |
| } |
| |
| final ActivityRecord r = stack.topRunningActivityLocked(); |
| if (r == null) { |
| Slog.w(TAG, "moveTopStackActivityToPinnedStackLocked: No top running activity" |
| + " in stack=" + stack); |
| return false; |
| } |
| |
| if (!mService.mForceResizableActivities && !r.supportsPictureInPicture()) { |
| Slog.w(TAG, |
| "moveTopStackActivityToPinnedStackLocked: Picture-In-Picture not supported for " |
| + " r=" + r); |
| return false; |
| } |
| |
| moveActivityToPinnedStackLocked(r, "moveTopActivityToPinnedStack", bounds); |
| return true; |
| } |
| |
| void moveActivityToPinnedStackLocked(ActivityRecord r, String reason, Rect bounds) { |
| mWindowManager.deferSurfaceLayout(); |
| try { |
| final TaskRecord task = r.task; |
| |
| // Need to make sure the pinned stack exist so we can resize it below... |
| final ActivityStack stack = getStack(PINNED_STACK_ID, CREATE_IF_NEEDED, ON_TOP); |
| |
| // Resize the pinned stack to match the current size of the task the activity we are |
| // going to be moving is currently contained in. We do this to have the right starting |
| // animation bounds for the pinned stack to the desired bounds the caller wants. |
| resizeStackLocked(PINNED_STACK_ID, task.mBounds, null /* tempTaskBounds */, |
| null /* tempTaskInsetBounds */, !PRESERVE_WINDOWS, |
| true /* allowResizeInDockedMode */); |
| |
| if (task.mActivities.size() == 1) { |
| // There is only one activity in the task. So, we can just move the task over to |
| // the stack without re-parenting the activity in a different task. |
| if (task.getTaskToReturnTo() == HOME_ACTIVITY_TYPE) { |
| // Move the home stack forward if the task we just moved to the pinned stack |
| // was launched from home so home should be visible behind it. |
| moveHomeStackToFront(reason); |
| } |
| moveTaskToStackLocked( |
| task.taskId, PINNED_STACK_ID, ON_TOP, FORCE_FOCUS, reason, !ANIMATE); |
| } else { |
| stack.moveActivityToStack(r); |
| } |
| } finally { |
| mWindowManager.continueSurfaceLayout(); |
| } |
| |
| // 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); |
| resumeFocusedStackTopActivityLocked(); |
| |
| mWindowManager.animateResizePinnedStack(bounds, -1); |
| mService.notifyActivityPinnedLocked(); |
| } |
| |
| void positionTaskInStackLocked(int taskId, int stackId, int position) { |
| final TaskRecord task = anyTaskForIdLocked(taskId); |
| if (task == null) { |
| Slog.w(TAG, "positionTaskInStackLocked: no task for id=" + taskId); |
| return; |
| } |
| final ActivityStack stack = getStack(stackId, CREATE_IF_NEEDED, !ON_TOP); |
| |
| task.updateOverrideConfigurationForStack(stack); |
| |
| mWindowManager.positionTaskInStack( |
| taskId, stackId, position, task.mBounds, task.mOverrideConfig); |
| stack.positionTask(task, position); |
| // The task might have already been running and its visibility needs to be synchronized with |
| // the visibility of the stack / windows. |
| stack.ensureActivityConfigurationLocked(task.topRunningActivityLocked(), 0, |
| !PRESERVE_WINDOWS); |
| stack.ensureActivitiesVisibleLocked(null, 0, !PRESERVE_WINDOWS); |
| resumeFocusedStackTopActivityLocked(); |
| } |
| |
| ActivityRecord findTaskLocked(ActivityRecord r) { |
| mTmpFindTaskResult.r = null; |
| mTmpFindTaskResult.matchedByRootAffinity = false; |
| if (DEBUG_TASKS) Slog.d(TAG_TASKS, "Looking for task of " + r); |
| for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { |
| final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; |
| for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { |
| final ActivityStack stack = stacks.get(stackNdx); |
| if (!r.isApplicationActivity() && !stack.isHomeStack()) { |
| if (DEBUG_TASKS) Slog.d(TAG_TASKS, "Skipping stack: (home activity) " + stack); |
| continue; |
| } |
| if (!stack.mActivityContainer.isEligibleForNewTasks()) { |
| if (DEBUG_TASKS) Slog.d(TAG_TASKS, |
| "Skipping stack: (new task not allowed) " + stack); |
| continue; |
| } |
| stack.findTaskLocked(r, mTmpFindTaskResult); |
| // It is possible to have task in multiple stacks with the same root affinity. |
| // If the match we found was based on root affinity we keep on looking to see if |
| // there is a better match in another stack. We eventually return the match based |
| // on root affinity if we don't find a better match. |
| if (mTmpFindTaskResult.r != null && !mTmpFindTaskResult.matchedByRootAffinity) { |
| return mTmpFindTaskResult.r; |
| } |
| } |
| } |
| if (DEBUG_TASKS && mTmpFindTaskResult.r == null) Slog.d(TAG_TASKS, "No task found"); |
| return mTmpFindTaskResult.r; |
| } |
| |
| ActivityRecord findActivityLocked(Intent intent, ActivityInfo info) { |
| for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { |
| final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; |
| for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { |
| final ActivityRecord ar = stacks.get(stackNdx).findActivityLocked(intent, info); |
| if (ar != null) { |
| return ar; |
| } |
| } |
| } |
| return null; |
| } |
| |
| void goingToSleepLocked() { |
| scheduleSleepTimeout(); |
| if (!mGoingToSleep.isHeld()) { |
| mGoingToSleep.acquire(); |
| if (mLaunchingActivity.isHeld()) { |
| if (VALIDATE_WAKE_LOCK_CALLER && Binder.getCallingUid() != Process.myUid()) { |
| throw new IllegalStateException("Calling must be system uid"); |
| } |
| mLaunchingActivity.release(); |
| mService.mHandler.removeMessages(LAUNCH_TIMEOUT_MSG); |
| } |
| } |
| checkReadyForSleepLocked(); |
| } |
| |
| boolean shutdownLocked(int timeout) { |
| goingToSleepLocked(); |
| |
| boolean timedout = false; |
| final long endTime = System.currentTimeMillis() + timeout; |
| while (true) { |
| boolean cantShutdown = false; |
| for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { |
| final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; |
| for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { |
| cantShutdown |= stacks.get(stackNdx).checkReadyForSleepLocked(); |
| } |
| } |
| if (cantShutdown) { |
| long timeRemaining = endTime - System.currentTimeMillis(); |
| if (timeRemaining > 0) { |
| try { |
| mService.wait(timeRemaining); |
| } catch (InterruptedException e) { |
| } |
| } else { |
| Slog.w(TAG, "Activity manager shutdown timed out"); |
| timedout = true; |
| break; |
| } |
| } else { |
| break; |
| } |
| } |
| |
| // Force checkReadyForSleep to complete. |
| mSleepTimeout = true; |
| checkReadyForSleepLocked(); |
| |
| return timedout; |
| } |
| |
| void comeOutOfSleepIfNeededLocked() { |
| removeSleepTimeouts(); |
| if (mGoingToSleep.isHeld()) { |
| mGoingToSleep.release(); |
| } |
| for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { |
| final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; |
| for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { |
| final ActivityStack stack = stacks.get(stackNdx); |
| stack.awakeFromSleepingLocked(); |
| if (isFocusedStack(stack)) { |
| resumeFocusedStackTopActivityLocked(); |
| } |
| } |
| } |
| mGoingToSleepActivities.clear(); |
| } |
| |
| void activitySleptLocked(ActivityRecord r) { |
| mGoingToSleepActivities.remove(r); |
| checkReadyForSleepLocked(); |
| } |
| |
| void checkReadyForSleepLocked() { |
| if (!mService.isSleepingOrShuttingDown()) { |
| // Do not care. |
| return; |
| } |
| |
| if (!mSleepTimeout) { |
| boolean dontSleep = false; |
| for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { |
| final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; |
| for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { |
| dontSleep |= stacks.get(stackNdx).checkReadyForSleepLocked(); |
| } |
| } |
| |
| if (mStoppingActivities.size() > 0) { |
| // Still need to tell some activities to stop; can't sleep yet. |
| if (DEBUG_PAUSE) Slog.v(TAG_PAUSE, "Sleep still need to stop " |
| + mStoppingActivities.size() + " activities"); |
| scheduleIdleLocked(); |
| dontSleep = true; |
| } |
| |
| if (mGoingToSleepActivities.size() > 0) { |
| // Still need to tell some activities to sleep; can't sleep yet. |
| if (DEBUG_PAUSE) Slog.v(TAG_PAUSE, "Sleep still need to sleep " |
| + mGoingToSleepActivities.size() + " activities"); |
| dontSleep = true; |
| } |
| |
| if (dontSleep) { |
| return; |
| } |
| } |
| |
| for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { |
| final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; |
| for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { |
| stacks.get(stackNdx).goToSleep(); |
| } |
| } |
| |
| removeSleepTimeouts(); |
| |
| if (mGoingToSleep.isHeld()) { |
| mGoingToSleep.release(); |
| } |
| if (mService.mShuttingDown) { |
| mService.notifyAll(); |
| } |
| } |
| |
| boolean reportResumedActivityLocked(ActivityRecord r) { |
| final ActivityStack stack = r.task.stack; |
| if (isFocusedStack(stack)) { |
| mService.updateUsageStats(r, true); |
| } |
| if (allResumedActivitiesComplete()) { |
| ensureActivitiesVisibleLocked(null, 0, !PRESERVE_WINDOWS); |
| mWindowManager.executeAppTransition(); |
| return true; |
| } |
| return false; |
| } |
| |
| void handleAppCrashLocked(ProcessRecord app) { |
| for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { |
| final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; |
| int stackNdx = stacks.size() - 1; |
| while (stackNdx >= 0) { |
| stacks.get(stackNdx).handleAppCrashLocked(app); |
| stackNdx--; |
| } |
| } |
| } |
| |
| boolean requestVisibleBehindLocked(ActivityRecord r, boolean visible) { |
| final ActivityStack stack = r.task.stack; |
| if (stack == null) { |
| if (DEBUG_VISIBLE_BEHIND) Slog.d(TAG_VISIBLE_BEHIND, |
| "requestVisibleBehind: r=" + r + " visible=" + visible + " stack is null"); |
| return false; |
| } |
| final boolean isVisible = stack.hasVisibleBehindActivity(); |
| if (DEBUG_VISIBLE_BEHIND) Slog.d(TAG_VISIBLE_BEHIND, |
| "requestVisibleBehind r=" + r + " visible=" + visible + " isVisible=" + isVisible); |
| |
| final ActivityRecord top = topRunningActivityLocked(); |
| if (top == null || top == r || (visible == isVisible)) { |
| if (DEBUG_VISIBLE_BEHIND) Slog.d(TAG_VISIBLE_BEHIND, "requestVisibleBehind: quick return"); |
| stack.setVisibleBehindActivity(visible ? r : null); |
| return true; |
| } |
| |
| // A non-top activity is reporting a visibility change. |
| if (visible && top.fullscreen) { |
| // Let the caller know that it can't be seen. |
| if (DEBUG_VISIBLE_BEHIND) Slog.d(TAG_VISIBLE_BEHIND, |
| "requestVisibleBehind: returning top.fullscreen=" + top.fullscreen |
| + " top.state=" + top.state + " top.app=" + top.app + " top.app.thread=" |
| + top.app.thread); |
| return false; |
| } else if (!visible && stack.getVisibleBehindActivity() != r) { |
| // Only the activity set as currently visible behind should actively reset its |
| // visible behind state. |
| if (DEBUG_VISIBLE_BEHIND) Slog.d(TAG_VISIBLE_BEHIND, |
| "requestVisibleBehind: returning visible=" + visible |
| + " stack.getVisibleBehindActivity()=" + stack.getVisibleBehindActivity() |
| + " r=" + r); |
| return false; |
| } |
| |
| stack.setVisibleBehindActivity(visible ? r : null); |
| if (!visible) { |
| // If there is a translucent home activity, we need to force it stop being translucent, |
| // because we can't depend on the application to necessarily perform that operation. |
| // Check out b/14469711 for details. |
| final ActivityRecord next = stack.findNextTranslucentActivity(r); |
| if (next != null && next.isHomeActivity()) { |
| mService.convertFromTranslucent(next.appToken); |
| } |
| } |
| if (top.app != null && top.app.thread != null) { |
| // Notify the top app of the change. |
| try { |
| top.app.thread.scheduleBackgroundVisibleBehindChanged(top.appToken, visible); |
| } catch (RemoteException e) { |
| } |
| } |
| return true; |
| } |
| |
| // Called when WindowManager has finished animating the launchingBehind activity to the back. |
| void handleLaunchTaskBehindCompleteLocked(ActivityRecord r) { |
| final TaskRecord task = r.task; |
| final ActivityStack stack = task.stack; |
| |
| r.mLaunchTaskBehind = false; |
| task.setLastThumbnailLocked(stack.screenshotActivitiesLocked(r)); |
| mRecentTasks.addLocked(task); |
| mService.notifyTaskStackChangedLocked(); |
| mWindowManager.setAppVisibility(r.appToken, false); |
| |
| // When launching tasks behind, update the last active time of the top task after the new |
| // task has been shown briefly |
| final ActivityRecord top = stack.topActivity(); |
| if (top != null) { |
| top.task.touchActiveTime(); |
| } |
| } |
| |
| void scheduleLaunchTaskBehindComplete(IBinder token) { |
| mHandler.obtainMessage(LAUNCH_TASK_BEHIND_COMPLETE, token).sendToTarget(); |
| } |
| |
| void ensureActivitiesVisibleLocked(ActivityRecord starting, int configChanges, |
| boolean preserveWindows) { |
| // First the front stacks. In case any are not fullscreen and are in front of home. |
| for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { |
| final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; |
| final int topStackNdx = stacks.size() - 1; |
| for (int stackNdx = topStackNdx; stackNdx >= 0; --stackNdx) { |
| final ActivityStack stack = stacks.get(stackNdx); |
| stack.ensureActivitiesVisibleLocked(starting, configChanges, preserveWindows); |
| } |
| } |
| } |
| |
| void invalidateTaskLayers() { |
| mTaskLayersChanged = true; |
| } |
| |
| void rankTaskLayersIfNeeded() { |
| if (!mTaskLayersChanged) { |
| return; |
| } |
| mTaskLayersChanged = false; |
| for (int displayNdx = 0; displayNdx < mActivityDisplays.size(); displayNdx++) { |
| final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; |
| int baseLayer = 0; |
| for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { |
| baseLayer += stacks.get(stackNdx).rankTaskLayers(baseLayer); |
| } |
| } |
| } |
| |
| void clearOtherAppTimeTrackers(AppTimeTracker except) { |
| for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { |
| final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; |
| final int topStackNdx = stacks.size() - 1; |
| for (int stackNdx = topStackNdx; stackNdx >= 0; --stackNdx) { |
| final ActivityStack stack = stacks.get(stackNdx); |
| stack.clearOtherAppTimeTrackers(except); |
| } |
| } |
| } |
| |
| void scheduleDestroyAllActivities(ProcessRecord app, String reason) { |
| for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { |
| final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; |
| final int numStacks = stacks.size(); |
| for (int stackNdx = 0; stackNdx < numStacks; ++stackNdx) { |
| final ActivityStack stack = stacks.get(stackNdx); |
| stack.scheduleDestroyActivities(app, reason); |
| } |
| } |
| } |
| |
| void releaseSomeActivitiesLocked(ProcessRecord app, String reason) { |
| // Examine all activities currently running in the process. |
| TaskRecord firstTask = null; |
| // Tasks is non-null only if two or more tasks are found. |
| ArraySet<TaskRecord> tasks = null; |
| if (DEBUG_RELEASE) Slog.d(TAG_RELEASE, "Trying to release some activities in " + app); |
| for (int i = 0; i < app.activities.size(); i++) { |
| ActivityRecord r = app.activities.get(i); |
| // First, if we find an activity that is in the process of being destroyed, |
| // then we just aren't going to do anything for now; we want things to settle |
| // down before we try to prune more activities. |
| if (r.finishing || r.state == DESTROYING || r.state == DESTROYED) { |
| if (DEBUG_RELEASE) Slog.d(TAG_RELEASE, "Abort release; already destroying: " + r); |
| return; |
| } |
| // Don't consider any activies that are currently not in a state where they |
| // can be destroyed. |
| if (r.visible || !r.stopped || !r.haveState || r.state == RESUMED || r.state == PAUSING |
| || r.state == PAUSED || r.state == STOPPING) { |
| if (DEBUG_RELEASE) Slog.d(TAG_RELEASE, "Not releasing in-use activity: " + r); |
| continue; |
| } |
| if (r.task != null) { |
| if (DEBUG_RELEASE) Slog.d(TAG_RELEASE, "Collecting release task " + r.task |
| + " from " + r); |
| if (firstTask == null) { |
| firstTask = r.task; |
| } else if (firstTask != r.task) { |
| if (tasks == null) { |
| tasks = new ArraySet<>(); |
| tasks.add(firstTask); |
| } |
| tasks.add(r.task); |
| } |
| } |
| } |
| if (tasks == null) { |
| if (DEBUG_RELEASE) Slog.d(TAG_RELEASE, "Didn't find two or more tasks to release"); |
| return; |
| } |
| // If we have activities in multiple tasks that are in a position to be destroyed, |
| // let's iterate through the tasks and release the oldest one. |
| final int numDisplays = mActivityDisplays.size(); |
| for (int displayNdx = 0; displayNdx < numDisplays; ++displayNdx) { |
| final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; |
| // Step through all stacks starting from behind, to hit the oldest things first. |
| for (int stackNdx = 0; stackNdx < stacks.size(); stackNdx++) { |
| final ActivityStack stack = stacks.get(stackNdx); |
| // Try to release activities in this stack; if we manage to, we are done. |
| if (stack.releaseSomeActivitiesLocked(app, tasks, reason) > 0) { |
| return; |
| } |
| } |
| } |
| } |
| |
| boolean switchUserLocked(int userId, UserState uss) { |
| mUserStackInFront.put(mCurrentUser, mFocusedStack.getStackId()); |
| final int restoreStackId = mUserStackInFront.get(userId, HOME_STACK_ID); |
| mCurrentUser = userId; |
| |
| mStartingUsers.add(uss); |
| for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { |
| final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; |
| for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { |
| final ActivityStack stack = stacks.get(stackNdx); |
| stack.switchUserLocked(userId); |
| TaskRecord task = stack.topTask(); |
| if (task != null) { |
| mWindowManager.moveTaskToTop(task.taskId); |
| } |
| } |
| } |
| |
| ActivityStack stack = getStack(restoreStackId); |
| if (stack == null) { |
| stack = mHomeStack; |
| } |
| final boolean homeInFront = stack.isHomeStack(); |
| if (stack.isOnHomeDisplay()) { |
| stack.moveToFront("switchUserOnHomeDisplay"); |
| } else { |
| // Stack was moved to another display while user was swapped out. |
| resumeHomeStackTask(HOME_ACTIVITY_TYPE, null, "switchUserOnOtherDisplay"); |
| } |
| return homeInFront; |
| } |
| |
| /** Checks whether the userid is a profile of the current user. */ |
| boolean isCurrentProfileLocked(int userId) { |
| if (userId == mCurrentUser) return true; |
| return mService.mUserController.isCurrentProfileLocked(userId); |
| } |
| |
| /** Checks whether the activity should be shown for current user. */ |
| boolean okToShowLocked(ActivityRecord r) { |
| return r != null && (isCurrentProfileLocked(r.userId) |
| || (r.info.flags & FLAG_SHOW_FOR_ALL_USERS) != 0); |
| } |
| |
| final ArrayList<ActivityRecord> processStoppingActivitiesLocked(boolean remove) { |
| ArrayList<ActivityRecord> stops = null; |
| |
| final boolean nowVisible = allResumedActivitiesVisible(); |
| for (int activityNdx = mStoppingActivities.size() - 1; activityNdx >= 0; --activityNdx) { |
| ActivityRecord s = mStoppingActivities.get(activityNdx); |
| final boolean waitingVisible = mWaitingVisibleActivities.contains(s); |
| if (DEBUG_STATES) Slog.v(TAG, "Stopping " + s + ": nowVisible=" + nowVisible |
| + " waitingVisible=" + waitingVisible + " finishing=" + s.finishing); |
| if (waitingVisible && nowVisible) { |
| mWaitingVisibleActivities.remove(s); |
| if (s.finishing) { |
| // If this activity is finishing, it is sitting on top of |
| // everyone else but we now know it is no longer needed... |
| // so get rid of it. Otherwise, we need to go through the |
| // normal flow and hide it once we determine that it is |
| // hidden by the activities in front of it. |
| if (DEBUG_STATES) Slog.v(TAG, "Before stopping, can hide: " + s); |
| mWindowManager.setAppVisibility(s.appToken, false); |
| } |
| } |
| if ((!waitingVisible || mService.isSleepingOrShuttingDown()) && remove) { |
| if (DEBUG_STATES) Slog.v(TAG, "Ready to stop: " + s); |
| if (stops == null) { |
| stops = new ArrayList<>(); |
| } |
| stops.add(s); |
| mStoppingActivities.remove(activityNdx); |
| } |
| } |
| |
| return stops; |
| } |
| |
| void validateTopActivitiesLocked() { |
| for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { |
| final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; |
| for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { |
| final ActivityStack stack = stacks.get(stackNdx); |
| final ActivityRecord r = stack.topRunningActivityLocked(); |
| final ActivityState state = r == null ? DESTROYED : r.state; |
| if (isFocusedStack(stack)) { |
| if (r == null) Slog.e(TAG, |
| "validateTop...: null top activity, stack=" + stack); |
| else { |
| final ActivityRecord pausing = stack.mPausingActivity; |
| if (pausing != null && pausing == r) Slog.e(TAG, |
| "validateTop...: top stack has pausing activity r=" + r |
| + " state=" + state); |
| if (state != INITIALIZING && state != RESUMED) Slog.e(TAG, |
| "validateTop...: activity in front not resumed r=" + r |
| + " state=" + state); |
| } |
| } else { |
| final ActivityRecord resumed = stack.mResumedActivity; |
| if (resumed != null && resumed == r) Slog.e(TAG, |
| "validateTop...: back stack has resumed activity r=" + r |
| + " state=" + state); |
| if (r != null && (state == INITIALIZING || state == RESUMED)) Slog.e(TAG, |
| "validateTop...: activity in back resumed r=" + r + " state=" + state); |
| } |
| } |
| } |
| } |
| |
| private String lockTaskModeToString() { |
| switch (mLockTaskModeState) { |
| case LOCK_TASK_MODE_LOCKED: |
| return "LOCKED"; |
| case LOCK_TASK_MODE_PINNED: |
| return "PINNED"; |
| case LOCK_TASK_MODE_NONE: |
| return "NONE"; |
| default: return "unknown=" + mLockTaskModeState; |
| } |
| } |
| |
| public void dump(PrintWriter pw, String prefix) { |
| pw.print(prefix); pw.print("mFocusedStack=" + mFocusedStack); |
| pw.print(" mLastFocusedStack="); pw.println(mLastFocusedStack); |
| pw.print(prefix); pw.println("mSleepTimeout=" + mSleepTimeout); |
| pw.print(prefix); |
| pw.println("mCurTaskIdForUser=" + mCurTaskIdForUser); |
| pw.print(prefix); pw.println("mUserStackInFront=" + mUserStackInFront); |
| pw.print(prefix); pw.println("mActivityContainers=" + mActivityContainers); |
| pw.print(prefix); pw.print("mLockTaskModeState=" + lockTaskModeToString()); |
| final SparseArray<String[]> packages = mService.mLockTaskPackages; |
| if (packages.size() > 0) { |
| pw.println(" mLockTaskPackages (userId:packages)="); |
| for (int i = 0; i < packages.size(); ++i) { |
| pw.print(prefix); pw.print(prefix); pw.print(packages.keyAt(i)); |
| pw.print(":"); pw.println(Arrays.toString(packages.valueAt(i))); |
| } |
| } |
| pw.println(" mLockTaskModeTasks" + mLockTaskModeTasks); |
| } |
| |
| ArrayList<ActivityRecord> getDumpActivitiesLocked(String name) { |
| return mFocusedStack.getDumpActivitiesLocked(name); |
| } |
| |
| static boolean printThisActivity(PrintWriter pw, ActivityRecord activity, String dumpPackage, |
| boolean needSep, String prefix) { |
| if (activity != null) { |
| if (dumpPackage == null || dumpPackage.equals(activity.packageName)) { |
| if (needSep) { |
| pw.println(); |
| } |
| pw.print(prefix); |
| pw.println(activity); |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| boolean dumpActivitiesLocked(FileDescriptor fd, PrintWriter pw, boolean dumpAll, |
| boolean dumpClient, String dumpPackage) { |
| boolean printed = false; |
| boolean needSep = false; |
| for (int displayNdx = 0; displayNdx < mActivityDisplays.size(); ++displayNdx) { |
| ActivityDisplay activityDisplay = mActivityDisplays.valueAt(displayNdx); |
| pw.print("Display #"); pw.print(activityDisplay.mDisplayId); |
| pw.println(" (activities from top to bottom):"); |
| ArrayList<ActivityStack> stacks = activityDisplay.mStacks; |
| for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { |
| final ActivityStack stack = stacks.get(stackNdx); |
| StringBuilder stackHeader = new StringBuilder(128); |
| stackHeader.append(" Stack #"); |
| stackHeader.append(stack.mStackId); |
| stackHeader.append(":"); |
| stackHeader.append("\n"); |
| stackHeader.append(" mFullscreen=" + stack.mFullscreen); |
| stackHeader.append("\n"); |
| stackHeader.append(" mBounds=" + stack.mBounds); |
| printed |= stack.dumpActivitiesLocked(fd, pw, dumpAll, dumpClient, dumpPackage, |
| needSep, stackHeader.toString()); |
| printed |= dumpHistoryList(fd, pw, stack.mLRUActivities, " ", "Run", false, |
| !dumpAll, false, dumpPackage, true, |
| " Running activities (most recent first):", null); |
| |
| needSep = printed; |
| boolean pr = printThisActivity(pw, stack.mPausingActivity, dumpPackage, needSep, |
| " mPausingActivity: "); |
| if (pr) { |
| printed = true; |
| needSep = false; |
| } |
| pr = printThisActivity(pw, stack.mResumedActivity, dumpPackage, needSep, |
| " mResumedActivity: "); |
| if (pr) { |
| printed = true; |
| needSep = false; |
| } |
| if (dumpAll) { |
| pr = printThisActivity(pw, stack.mLastPausedActivity, dumpPackage, needSep, |
| " mLastPausedActivity: "); |
| if (pr) { |
| printed = true; |
| needSep = true; |
| } |
| printed |= printThisActivity(pw, stack.mLastNoHistoryActivity, dumpPackage, |
| needSep, " mLastNoHistoryActivity: "); |
| } |
| needSep = printed; |
| } |
| } |
| |
| printed |= dumpHistoryList(fd, pw, mFinishingActivities, " ", "Fin", false, !dumpAll, |
| false, dumpPackage, true, " Activities waiting to finish:", null); |
| printed |= dumpHistoryList(fd, pw, mStoppingActivities, " ", "Stop", false, !dumpAll, |
| false, dumpPackage, true, " Activities waiting to stop:", null); |
| printed |= dumpHistoryList(fd, pw, mWaitingVisibleActivities, " ", "Wait", false, !dumpAll, |
| false, dumpPackage, true, " Activities waiting for another to become visible:", |
| null); |
| printed |= dumpHistoryList(fd, pw, mGoingToSleepActivities, " ", "Sleep", false, !dumpAll, |
| false, dumpPackage, true, " Activities waiting to sleep:", null); |
| printed |= dumpHistoryList(fd, pw, mGoingToSleepActivities, " ", "Sleep", false, !dumpAll, |
| false, dumpPackage, true, " Activities waiting to sleep:", null); |
| |
| return printed; |
| } |
| |
| static boolean dumpHistoryList(FileDescriptor fd, PrintWriter pw, List<ActivityRecord> list, |
| String prefix, String label, boolean complete, boolean brief, boolean client, |
| String dumpPackage, boolean needNL, String header1, String header2) { |
| TaskRecord lastTask = null; |
| String innerPrefix = null; |
| String[] args = null; |
| boolean printed = false; |
| for (int i=list.size()-1; i>=0; i--) { |
| final ActivityRecord r = list.get(i); |
| if (dumpPackage != null && !dumpPackage.equals(r.packageName)) { |
| continue; |
| } |
| if (innerPrefix == null) { |
| innerPrefix = prefix + " "; |
| args = new String[0]; |
| } |
| printed = true; |
| final boolean full = !brief && (complete || !r.isInHistory()); |
| if (needNL) { |
| pw.println(""); |
| needNL = false; |
| } |
| if (header1 != null) { |
| pw.println(header1); |
| header1 = null; |
| } |
| if (header2 != null) { |
| pw.println(header2); |
| header2 = null; |
| } |
| if (lastTask != r.task) { |
| lastTask = r.task; |
| pw.print(prefix); |
| pw.print(full ? "* " : " "); |
| pw.println(lastTask); |
| if (full) { |
| lastTask.dump(pw, prefix + " "); |
| } else if (complete) { |
| // Complete + brief == give a summary. Isn't that obvious?!? |
| if (lastTask.intent != null) { |
| pw.print(prefix); pw.print(" "); |
| pw.println(lastTask.intent.toInsecureStringWithClip()); |
| } |
| } |
| } |
| pw.print(prefix); pw.print(full ? " * " : " "); pw.print(label); |
| pw.print(" #"); pw.print(i); pw.print(": "); |
| pw.println(r); |
| if (full) { |
| r.dump(pw, innerPrefix); |
| } else if (complete) { |
| // Complete + brief == give a summary. Isn't that obvious?!? |
| pw.print(innerPrefix); pw.println(r.intent.toInsecureString()); |
| if (r.app != null) { |
| pw.print(innerPrefix); pw.println(r.app); |
| } |
| } |
| if (client && r.app != null && r.app.thread != null) { |
| // flush anything that is already in the PrintWriter since the thread is going |
| // to write to the file descriptor directly |
| pw.flush(); |
| try { |
| TransferPipe tp = new TransferPipe(); |
| try { |
| r.app.thread.dumpActivity(tp.getWriteFd().getFileDescriptor(), |
| r.appToken, innerPrefix, args); |
| // Short timeout, since blocking here can |
| // deadlock with the application. |
| tp.go(fd, 2000); |
| } finally { |
| tp.kill(); |
| } |
| } catch (IOException e) { |
| pw.println(innerPrefix + "Failure while dumping the activity: " + e); |
| } catch (RemoteException e) { |
| pw.println(innerPrefix + "Got a RemoteException while dumping the activity"); |
| } |
| needNL = true; |
| } |
| } |
| return printed; |
| } |
| |
| void scheduleIdleTimeoutLocked(ActivityRecord next) { |
| if (DEBUG_IDLE) Slog.d(TAG_IDLE, |
| "scheduleIdleTimeoutLocked: Callers=" + Debug.getCallers(4)); |
| Message msg = mHandler.obtainMessage(IDLE_TIMEOUT_MSG, next); |
| mHandler.sendMessageDelayed(msg, IDLE_TIMEOUT); |
| } |
| |
| final void scheduleIdleLocked() { |
| mHandler.sendEmptyMessage(IDLE_NOW_MSG); |
| } |
| |
| void removeTimeoutsForActivityLocked(ActivityRecord r) { |
| if (DEBUG_IDLE) Slog.d(TAG_IDLE, "removeTimeoutsForActivity: Callers=" |
| + Debug.getCallers(4)); |
| mHandler.removeMessages(IDLE_TIMEOUT_MSG, r); |
| } |
| |
| final void scheduleResumeTopActivities() { |
| if (!mHandler.hasMessages(RESUME_TOP_ACTIVITY_MSG)) { |
| mHandler.sendEmptyMessage(RESUME_TOP_ACTIVITY_MSG); |
| } |
| } |
| |
| void removeSleepTimeouts() { |
| mSleepTimeout = false; |
| mHandler.removeMessages(SLEEP_TIMEOUT_MSG); |
| } |
| |
| final void scheduleSleepTimeout() { |
| removeSleepTimeouts(); |
| mHandler.sendEmptyMessageDelayed(SLEEP_TIMEOUT_MSG, SLEEP_TIMEOUT); |
| } |
| |
| @Override |
| public void onDisplayAdded(int displayId) { |
| if (DEBUG_STACK) Slog.v(TAG, "Display added displayId=" + displayId); |
| mHandler.sendMessage(mHandler.obtainMessage(HANDLE_DISPLAY_ADDED, displayId, 0)); |
| } |
| |
| @Override |
| public void onDisplayRemoved(int displayId) { |
| if (DEBUG_STACK) Slog.v(TAG, "Display removed displayId=" + displayId); |
| mHandler.sendMessage(mHandler.obtainMessage(HANDLE_DISPLAY_REMOVED, displayId, 0)); |
| } |
| |
| @Override |
| public void onDisplayChanged(int displayId) { |
| if (DEBUG_STACK) Slog.v(TAG, "Display changed displayId=" + displayId); |
| mHandler.sendMessage(mHandler.obtainMessage(HANDLE_DISPLAY_CHANGED, displayId, 0)); |
| } |
| |
| private void handleDisplayAdded(int displayId) { |
| boolean newDisplay; |
| synchronized (mService) { |
| newDisplay = mActivityDisplays.get(displayId) == null; |
| if (newDisplay) { |
| ActivityDisplay activityDisplay = new ActivityDisplay(displayId); |
| if (activityDisplay.mDisplay == null) { |
| Slog.w(TAG, "Display " + displayId + " gone before initialization complete"); |
| return; |
| } |
| mActivityDisplays.put(displayId, activityDisplay); |
| calculateDefaultMinimalSizeOfResizeableTasks(activityDisplay); |
| } |
| } |
| if (newDisplay) { |
| mWindowManager.onDisplayAdded(displayId); |
| } |
| } |
| |
| private void calculateDefaultMinimalSizeOfResizeableTasks(ActivityDisplay display) { |
| mDefaultMinimalSizeOfResizeableTask = |
| mService.mContext.getResources().getDimensionPixelSize( |
| com.android.internal.R.dimen.default_minimal_size_resizable_task); |
| } |
| |
| private void handleDisplayRemoved(int displayId) { |
| synchronized (mService) { |
| ActivityDisplay activityDisplay = mActivityDisplays.get(displayId); |
| if (activityDisplay != null) { |
| ArrayList<ActivityStack> stacks = activityDisplay.mStacks; |
| for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { |
| stacks.get(stackNdx).mActivityContainer.detachLocked(); |
| } |
| mActivityDisplays.remove(displayId); |
| } |
| } |
| mWindowManager.onDisplayRemoved(displayId); |
| } |
| |
| private void handleDisplayChanged(int displayId) { |
| synchronized (mService) { |
| ActivityDisplay activityDisplay = mActivityDisplays.get(displayId); |
| if (activityDisplay != null) { |
| // TODO: Update the bounds. |
| } |
| } |
| mWindowManager.onDisplayChanged(displayId); |
| } |
| |
| private StackInfo getStackInfoLocked(ActivityStack stack) { |
| StackInfo info = new StackInfo(); |
| mWindowManager.getStackBounds(stack.mStackId, info.bounds); |
| info.displayId = Display.DEFAULT_DISPLAY; |
| info.stackId = stack.mStackId; |
| info.userId = stack.mCurrentUser; |
| |
| ArrayList<TaskRecord> tasks = stack.getAllTasks(); |
| final int numTasks = tasks.size(); |
| int[] taskIds = new int[numTasks]; |
| String[] taskNames = new String[numTasks]; |
| Rect[] taskBounds = new Rect[numTasks]; |
| int[] taskUserIds = new int[numTasks]; |
| for (int i = 0; i < numTasks; ++i) { |
| final TaskRecord task = tasks.get(i); |
| taskIds[i] = task.taskId; |
| taskNames[i] = task.origActivity != null ? task.origActivity.flattenToString() |
| : task.realActivity != null ? task.realActivity.flattenToString() |
| : task.getTopActivity() != null ? task.getTopActivity().packageName |
| : "unknown"; |
| taskBounds[i] = new Rect(); |
| mWindowManager.getTaskBounds(task.taskId, taskBounds[i]); |
| taskUserIds[i] = task.userId; |
| } |
| info.taskIds = taskIds; |
| info.taskNames = taskNames; |
| info.taskBounds = taskBounds; |
| info.taskUserIds = taskUserIds; |
| return info; |
| } |
| |
| StackInfo getStackInfoLocked(int stackId) { |
| ActivityStack stack = getStack(stackId); |
| if (stack != null) { |
| return getStackInfoLocked(stack); |
| } |
| return null; |
| } |
| |
| ArrayList<StackInfo> getAllStackInfosLocked() { |
| ArrayList<StackInfo> list = new ArrayList<>(); |
| for (int displayNdx = 0; displayNdx < mActivityDisplays.size(); ++displayNdx) { |
| ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; |
| for (int ndx = stacks.size() - 1; ndx >= 0; --ndx) { |
| list.add(getStackInfoLocked(stacks.get(ndx))); |
| } |
| } |
| return list; |
| } |
| |
| TaskRecord getLockedTaskLocked() { |
| final int top = mLockTaskModeTasks.size() - 1; |
| if (top >= 0) { |
| return mLockTaskModeTasks.get(top); |
| } |
| return null; |
| } |
| |
| boolean isLockedTask(TaskRecord task) { |
| return mLockTaskModeTasks.contains(task); |
| } |
| |
| boolean isLastLockedTask(TaskRecord task) { |
| return mLockTaskModeTasks.size() == 1 && mLockTaskModeTasks.contains(task); |
| } |
| |
| void removeLockedTaskLocked(final TaskRecord task) { |
| if (!mLockTaskModeTasks.remove(task)) { |
| return; |
| } |
| if (DEBUG_LOCKTASK) Slog.w(TAG_LOCKTASK, "removeLockedTaskLocked: removed " + task); |
| if (mLockTaskModeTasks.isEmpty()) { |
| // Last one. |
| if (DEBUG_LOCKTASK) Slog.d(TAG_LOCKTASK, "removeLockedTask: task=" + task + |
| " last task, reverting locktask mode. Callers=" + Debug.getCallers(3)); |
| final Message lockTaskMsg = Message.obtain(); |
| lockTaskMsg.arg1 = task.userId; |
| lockTaskMsg.what = LOCK_TASK_END_MSG; |
| mHandler.sendMessage(lockTaskMsg); |
| } |
| } |
| |
| void handleNonResizableTaskIfNeeded(TaskRecord task, int preferredStackId, int actualStackId) { |
| handleNonResizableTaskIfNeeded(task, preferredStackId, actualStackId, |
| false /* forceNonResizable */); |
| } |
| |
| void handleNonResizableTaskIfNeeded( |
| TaskRecord task, int preferredStackId, int actualStackId, boolean forceNonResizable) { |
| if ((!isStackDockedInEffect(actualStackId) && preferredStackId != DOCKED_STACK_ID) |
| || task.isHomeTask()) { |
| return; |
| } |
| |
| if (!task.canGoInDockedStack() || forceNonResizable) { |
| // Display a warning toast that we tried to put a non-dockable task in the docked stack. |
| mService.mHandler.sendEmptyMessage(NOTIFY_ACTIVITY_DISMISSING_DOCKED_STACK_MSG); |
| |
| // Dismiss docked stack. If task appeared to be in docked stack but is not resizable - |
| // we need to move it to top of fullscreen stack, otherwise it will be covered. |
| mService.moveTasksToFullscreenStack(DOCKED_STACK_ID, actualStackId == DOCKED_STACK_ID); |
| } else if (task.mResizeMode == RESIZE_MODE_FORCE_RESIZEABLE) { |
| String packageName = task.getTopActivity() != null |
| ? task.getTopActivity().appInfo.packageName : null; |
| mService.mHandler.obtainMessage(NOTIFY_FORCED_RESIZABLE_MSG, task.taskId, 0, |
| packageName).sendToTarget(); |
| } |
| } |
| |
| void showLockTaskToast() { |
| mLockTaskNotify.showToast(mLockTaskModeState); |
| } |
| |
| void showLockTaskEscapeMessageLocked(TaskRecord task) { |
| if (mLockTaskModeTasks.contains(task)) { |
| mHandler.sendEmptyMessage(SHOW_LOCK_TASK_ESCAPE_MESSAGE_MSG); |
| } |
| } |
| |
| void setLockTaskModeLocked(TaskRecord task, int lockTaskModeState, String reason, |
| boolean andResume) { |
| if (task == null) { |
| // Take out of lock task mode if necessary |
| final TaskRecord lockedTask = getLockedTaskLocked(); |
| if (lockedTask != null) { |
| removeLockedTaskLocked(lockedTask); |
| if (!mLockTaskModeTasks.isEmpty()) { |
| // There are locked tasks remaining, can only finish this task, not unlock it. |
| if (DEBUG_LOCKTASK) Slog.w(TAG_LOCKTASK, |
| "setLockTaskModeLocked: Tasks remaining, can't unlock"); |
| lockedTask.performClearTaskLocked(); |
| resumeFocusedStackTopActivityLocked(); |
| return; |
| } |
| } |
| if (DEBUG_LOCKTASK) Slog.w(TAG_LOCKTASK, |
| "setLockTaskModeLocked: No tasks to unlock. Callers=" + Debug.getCallers(4)); |
| return; |
| } |
| |
| // Should have already been checked, but do it again. |
| if (task.mLockTaskAuth == LOCK_TASK_AUTH_DONT_LOCK) { |
| if (DEBUG_LOCKTASK) Slog.w(TAG_LOCKTASK, |
| "setLockTaskModeLocked: Can't lock due to auth"); |
| return; |
| } |
| if (isLockTaskModeViolation(task)) { |
| Slog.e(TAG_LOCKTASK, "setLockTaskMode: Attempt to start an unauthorized lock task."); |
| return; |
| } |
| |
| if (mLockTaskModeTasks.isEmpty()) { |
| // First locktask. |
| final Message lockTaskMsg = Message.obtain(); |
| lockTaskMsg.obj = task.intent.getComponent().getPackageName(); |
| lockTaskMsg.arg1 = task.userId; |
| lockTaskMsg.what = LOCK_TASK_START_MSG; |
| lockTaskMsg.arg2 = lockTaskModeState; |
| mHandler.sendMessage(lockTaskMsg); |
| } |
| // Add it or move it to the top. |
| if (DEBUG_LOCKTASK) Slog.w(TAG_LOCKTASK, "setLockTaskModeLocked: Locking to " + task + |
| " Callers=" + Debug.getCallers(4)); |
| mLockTaskModeTasks.remove(task); |
| mLockTaskModeTasks.add(task); |
| |
| if (task.mLockTaskUid == -1) { |
| task.mLockTaskUid = task.effectiveUid; |
| } |
| |
| if (andResume) { |
| findTaskToMoveToFrontLocked(task, 0, null, reason, |
| lockTaskModeState != LOCK_TASK_MODE_NONE); |
| resumeFocusedStackTopActivityLocked(); |
| } else if (lockTaskModeState != LOCK_TASK_MODE_NONE) { |
| handleNonResizableTaskIfNeeded(task, INVALID_STACK_ID, task.stack.mStackId, |
| true /* forceNonResizable */); |
| } |
| } |
| |
| boolean isLockTaskModeViolation(TaskRecord task) { |
| return isLockTaskModeViolation(task, false); |
| } |
| |
| boolean isLockTaskModeViolation(TaskRecord task, boolean isNewClearTask) { |
| if (getLockedTaskLocked() == task && !isNewClearTask) { |
| return false; |
| } |
| final int lockTaskAuth = task.mLockTaskAuth; |
| switch (lockTaskAuth) { |
| case LOCK_TASK_AUTH_DONT_LOCK: |
| return !mLockTaskModeTasks.isEmpty(); |
| case LOCK_TASK_AUTH_LAUNCHABLE_PRIV: |
| case LOCK_TASK_AUTH_LAUNCHABLE: |
| case LOCK_TASK_AUTH_WHITELISTED: |
| return false; |
| case LOCK_TASK_AUTH_PINNABLE: |
| // Pinnable tasks can't be launched on top of locktask tasks. |
| return !mLockTaskModeTasks.isEmpty(); |
| default: |
| Slog.w(TAG, "isLockTaskModeViolation: invalid lockTaskAuth value=" + lockTaskAuth); |
| return true; |
| } |
| } |
| |
| void onLockTaskPackagesUpdatedLocked() { |
| boolean didSomething = false; |
| for (int taskNdx = mLockTaskModeTasks.size() - 1; taskNdx >= 0; --taskNdx) { |
| final TaskRecord lockedTask = mLockTaskModeTasks.get(taskNdx); |
| final boolean wasWhitelisted = |
| (lockedTask.mLockTaskAuth == LOCK_TASK_AUTH_LAUNCHABLE) || |
| (lockedTask.mLockTaskAuth == LOCK_TASK_AUTH_WHITELISTED); |
| lockedTask.setLockTaskAuth(); |
| final boolean isWhitelisted = |
| (lockedTask.mLockTaskAuth == LOCK_TASK_AUTH_LAUNCHABLE) || |
| (lockedTask.mLockTaskAuth == LOCK_TASK_AUTH_WHITELISTED); |
| if (wasWhitelisted && !isWhitelisted) { |
| // Lost whitelisting authorization. End it now. |
| if (DEBUG_LOCKTASK) Slog.d(TAG_LOCKTASK, "onLockTaskPackagesUpdated: removing " + |
| lockedTask + " mLockTaskAuth=" + lockedTask.lockTaskAuthToString()); |
| removeLockedTaskLocked(lockedTask); |
| lockedTask.performClearTaskLocked(); |
| didSomething = true; |
| } |
| } |
| for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { |
| ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; |
| for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { |
| final ActivityStack stack = stacks.get(stackNdx); |
| stack.onLockTaskPackagesUpdatedLocked(); |
| } |
| } |
| final ActivityRecord r = topRunningActivityLocked(); |
| final TaskRecord task = r != null ? r.task : null; |
| if (mLockTaskModeTasks.isEmpty() && task != null |
| && task.mLockTaskAuth == LOCK_TASK_AUTH_LAUNCHABLE) { |
| // This task must have just been authorized. |
| if (DEBUG_LOCKTASK) Slog.d(TAG_LOCKTASK, |
| "onLockTaskPackagesUpdated: starting new locktask task=" + task); |
| setLockTaskModeLocked(task, ActivityManager.LOCK_TASK_MODE_LOCKED, "package updated", |
| false); |
| didSomething = true; |
| } |
| if (didSomething) { |
| resumeFocusedStackTopActivityLocked(); |
| } |
| } |
| |
| int getLockTaskModeState() { |
| return mLockTaskModeState; |
| } |
| |
| void activityRelaunchedLocked(IBinder token) { |
| mWindowManager.notifyAppRelaunchingFinished(token); |
| } |
| |
| void activityRelaunchingLocked(ActivityRecord r) { |
| mWindowManager.notifyAppRelaunching(r.appToken); |
| } |
| |
| void logStackState() { |
| mActivityMetricsLogger.logWindowState(); |
| } |
| |
| void scheduleReportMultiWindowModeChanged(TaskRecord task) { |
| for (int i = task.mActivities.size() - 1; i >= 0; i--) { |
| final ActivityRecord r = task.mActivities.get(i); |
| if (r.app != null && r.app.thread != null) { |
| mMultiWindowModeChangedActivities.add(r); |
| } |
| } |
| |
| if (!mHandler.hasMessages(REPORT_MULTI_WINDOW_MODE_CHANGED_MSG)) { |
| mHandler.sendEmptyMessage(REPORT_MULTI_WINDOW_MODE_CHANGED_MSG); |
| } |
| } |
| |
| void scheduleReportPictureInPictureModeChangedIfNeeded(TaskRecord task, ActivityStack prevStack) { |
| final ActivityStack stack = task.stack; |
| if (prevStack == null || prevStack == stack |
| || (prevStack.mStackId != PINNED_STACK_ID && stack.mStackId != PINNED_STACK_ID)) { |
| return; |
| } |
| |
| for (int i = task.mActivities.size() - 1; i >= 0; i--) { |
| final ActivityRecord r = task.mActivities.get(i); |
| if (r.app != null && r.app.thread != null) { |
| mPipModeChangedActivities.add(r); |
| } |
| } |
| |
| if (!mHandler.hasMessages(REPORT_PIP_MODE_CHANGED_MSG)) { |
| mHandler.sendEmptyMessage(REPORT_PIP_MODE_CHANGED_MSG); |
| } |
| } |
| |
| private final class ActivityStackSupervisorHandler extends Handler { |
| |
| public ActivityStackSupervisorHandler(Looper looper) { |
| super(looper); |
| } |
| |
| void activityIdleInternal(ActivityRecord r) { |
| synchronized (mService) { |
| activityIdleInternalLocked(r != null ? r.appToken : null, true, null); |
| } |
| } |
| |
| @Override |
| public void handleMessage(Message msg) { |
| switch (msg.what) { |
| case REPORT_MULTI_WINDOW_MODE_CHANGED_MSG: { |
| synchronized (mService) { |
| for (int i = mMultiWindowModeChangedActivities.size() - 1; i >= 0; i--) { |
| final ActivityRecord r = mMultiWindowModeChangedActivities.remove(i); |
| r.scheduleMultiWindowModeChanged(); |
| } |
| } |
| } break; |
| case REPORT_PIP_MODE_CHANGED_MSG: { |
| synchronized (mService) { |
| for (int i = mPipModeChangedActivities.size() - 1; i >= 0; i--) { |
| final ActivityRecord r = mPipModeChangedActivities.remove(i); |
| r.schedulePictureInPictureModeChanged(); |
| } |
| } |
| } break; |
| case IDLE_TIMEOUT_MSG: { |
| if (DEBUG_IDLE) Slog.d(TAG_IDLE, |
| "handleMessage: IDLE_TIMEOUT_MSG: r=" + msg.obj); |
| if (mService.mDidDexOpt) { |
| mService.mDidDexOpt = false; |
| Message nmsg = mHandler.obtainMessage(IDLE_TIMEOUT_MSG); |
| nmsg.obj = msg.obj; |
| mHandler.sendMessageDelayed(nmsg, IDLE_TIMEOUT); |
| return; |
| } |
| // We don't at this point know if the activity is fullscreen, |
| // so we need to be conservative and assume it isn't. |
| activityIdleInternal((ActivityRecord)msg.obj); |
| } break; |
| case IDLE_NOW_MSG: { |
| if (DEBUG_IDLE) Slog.d(TAG_IDLE, "handleMessage: IDLE_NOW_MSG: r=" + msg.obj); |
| activityIdleInternal((ActivityRecord)msg.obj); |
| } break; |
| case RESUME_TOP_ACTIVITY_MSG: { |
| synchronized (mService) { |
| resumeFocusedStackTopActivityLocked(); |
| } |
| } break; |
| case SLEEP_TIMEOUT_MSG: { |
| synchronized (mService) { |
| if (mService.isSleepingOrShuttingDown()) { |
| Slog.w(TAG, "Sleep timeout! Sleeping now."); |
| mSleepTimeout = true; |
| checkReadyForSleepLocked(); |
| } |
| } |
| } break; |
| case LAUNCH_TIMEOUT_MSG: { |
| if (mService.mDidDexOpt) { |
| mService.mDidDexOpt = false; |
| mHandler.sendEmptyMessageDelayed(LAUNCH_TIMEOUT_MSG, LAUNCH_TIMEOUT); |
| return; |
| } |
| synchronized (mService) { |
| if (mLaunchingActivity.isHeld()) { |
| Slog.w(TAG, "Launch timeout has expired, giving up wake lock!"); |
| if (VALIDATE_WAKE_LOCK_CALLER |
| && Binder.getCallingUid() != Process.myUid()) { |
| throw new IllegalStateException("Calling must be system uid"); |
| } |
| mLaunchingActivity.release(); |
| } |
| } |
| } break; |
| case HANDLE_DISPLAY_ADDED: { |
| handleDisplayAdded(msg.arg1); |
| } break; |
| case HANDLE_DISPLAY_CHANGED: { |
| handleDisplayChanged(msg.arg1); |
| } break; |
| case HANDLE_DISPLAY_REMOVED: { |
| handleDisplayRemoved(msg.arg1); |
| } break; |
| case CONTAINER_CALLBACK_VISIBILITY: { |
| final ActivityContainer container = (ActivityContainer) msg.obj; |
| final IActivityContainerCallback callback = container.mCallback; |
| if (callback != null) { |
| try { |
| callback.setVisible(container.asBinder(), msg.arg1 == 1); |
| } catch (RemoteException e) { |
| } |
| } |
| } break; |
| case LOCK_TASK_START_MSG: { |
| // When lock task starts, we disable the status bars. |
| try { |
| if (mLockTaskNotify == null) { |
| mLockTaskNotify = new LockTaskNotify(mService.mContext); |
| } |
| mLockTaskNotify.show(true); |
| mLockTaskModeState = msg.arg2; |
| if (getStatusBarService() != null) { |
| int flags = 0; |
| if (mLockTaskModeState == LOCK_TASK_MODE_LOCKED) { |
| flags = StatusBarManager.DISABLE_MASK |
| & (~StatusBarManager.DISABLE_BACK); |
| } else if (mLockTaskModeState == LOCK_TASK_MODE_PINNED) { |
| flags = StatusBarManager.DISABLE_MASK |
| & (~StatusBarManager.DISABLE_BACK) |
| & (~StatusBarManager.DISABLE_HOME) |
| & (~StatusBarManager.DISABLE_RECENT); |
| } |
| getStatusBarService().disable(flags, mToken, |
| mService.mContext.getPackageName()); |
| } |
| mWindowManager.disableKeyguard(mToken, LOCK_TASK_TAG); |
| if (getDevicePolicyManager() != null) { |
| getDevicePolicyManager().notifyLockTaskModeChanged(true, |
| (String)msg.obj, msg.arg1); |
| } |
| } catch (RemoteException ex) { |
| throw new RuntimeException(ex); |
| } |
| } break; |
| case LOCK_TASK_END_MSG: { |
| // When lock task ends, we enable the status bars. |
| try { |
| if (getStatusBarService() != null) { |
| getStatusBarService().disable(StatusBarManager.DISABLE_NONE, mToken, |
| mService.mContext.getPackageName()); |
| } |
| mWindowManager.reenableKeyguard(mToken); |
| if (getDevicePolicyManager() != null) { |
| getDevicePolicyManager().notifyLockTaskModeChanged(false, null, |
| msg.arg1); |
| } |
| if (mLockTaskNotify == null) { |
| mLockTaskNotify = new LockTaskNotify(mService.mContext); |
| } |
| mLockTaskNotify.show(false); |
| try { |
| boolean shouldLockKeyguard = Settings.Secure.getInt( |
| mService.mContext.getContentResolver(), |
| Settings.Secure.LOCK_TO_APP_EXIT_LOCKED) != 0; |
| if (mLockTaskModeState == LOCK_TASK_MODE_PINNED && shouldLockKeyguard) { |
| mWindowManager.lockNow(null); |
| mWindowManager.dismissKeyguard(); |
| new LockPatternUtils(mService.mContext) |
| .requireCredentialEntry(UserHandle.USER_ALL); |
| } |
| } catch (SettingNotFoundException e) { |
| // No setting, don't lock. |
| } |
| } catch (RemoteException ex) { |
| throw new RuntimeException(ex); |
| } finally { |
| mLockTaskModeState = LOCK_TASK_MODE_NONE; |
| } |
| } break; |
| case SHOW_LOCK_TASK_ESCAPE_MESSAGE_MSG: { |
| if (mLockTaskNotify == null) { |
| mLockTaskNotify = new LockTaskNotify(mService.mContext); |
| } |
| mLockTaskNotify.showToast(LOCK_TASK_MODE_PINNED); |
| } break; |
| case CONTAINER_CALLBACK_TASK_LIST_EMPTY: { |
| final ActivityContainer container = (ActivityContainer) msg.obj; |
| final IActivityContainerCallback callback = container.mCallback; |
| if (callback != null) { |
| try { |
| callback.onAllActivitiesComplete(container.asBinder()); |
| } catch (RemoteException e) { |
| } |
| } |
| } break; |
| case LAUNCH_TASK_BEHIND_COMPLETE: { |
| synchronized (mService) { |
| ActivityRecord r = ActivityRecord.forTokenLocked((IBinder) msg.obj); |
| if (r != null) { |
| handleLaunchTaskBehindCompleteLocked(r); |
| } |
| } |
| } break; |
| |
| } |
| } |
| } |
| |
| class ActivityContainer extends android.app.IActivityContainer.Stub { |
| final static int FORCE_NEW_TASK_FLAGS = FLAG_ACTIVITY_NEW_TASK | |
| FLAG_ACTIVITY_MULTIPLE_TASK | Intent.FLAG_ACTIVITY_NO_ANIMATION; |
| final int mStackId; |
| IActivityContainerCallback mCallback = null; |
| final ActivityStack mStack; |
| ActivityRecord mParentActivity = null; |
| String mIdString; |
| |
| boolean mVisible = true; |
| |
| /** Display this ActivityStack is currently on. Null if not attached to a Display. */ |
| ActivityDisplay mActivityDisplay; |
| |
| final static int CONTAINER_STATE_HAS_SURFACE = 0; |
| final static int CONTAINER_STATE_NO_SURFACE = 1; |
| final static int CONTAINER_STATE_FINISHING = 2; |
| int mContainerState = CONTAINER_STATE_HAS_SURFACE; |
| |
| ActivityContainer(int stackId) { |
| synchronized (mService) { |
| mStackId = stackId; |
| mStack = new ActivityStack(this, mRecentTasks); |
| mIdString = "ActivtyContainer{" + mStackId + "}"; |
| if (DEBUG_STACK) Slog.d(TAG_STACK, "Creating " + this); |
| } |
| } |
| |
| void attachToDisplayLocked(ActivityDisplay activityDisplay, boolean onTop) { |
| if (DEBUG_STACK) Slog.d(TAG_STACK, "attachToDisplayLocked: " + this |
| + " to display=" + activityDisplay + " onTop=" + onTop); |
| mActivityDisplay = activityDisplay; |
| mStack.attachDisplay(activityDisplay, onTop); |
| activityDisplay.attachActivities(mStack, onTop); |
| } |
| |
| @Override |
| public void attachToDisplay(int displayId) { |
| synchronized (mService) { |
| ActivityDisplay activityDisplay = mActivityDisplays.get(displayId); |
| if (activityDisplay == null) { |
| return; |
| } |
| attachToDisplayLocked(activityDisplay, true); |
| } |
| } |
| |
| @Override |
| public int getDisplayId() { |
| synchronized (mService) { |
| if (mActivityDisplay != null) { |
| return mActivityDisplay.mDisplayId; |
| } |
| } |
| return -1; |
| } |
| |
| @Override |
| public int getStackId() { |
| synchronized (mService) { |
| return mStackId; |
| } |
| } |
| |
| @Override |
| public boolean injectEvent(InputEvent event) { |
| final long origId = Binder.clearCallingIdentity(); |
| try { |
| synchronized (mService) { |
| if (mActivityDisplay != null) { |
| return mInputManagerInternal.injectInputEvent(event, |
| mActivityDisplay.mDisplayId, |
| InputManager.INJECT_INPUT_EVENT_MODE_ASYNC); |
| } |
| } |
| return false; |
| } finally { |
| Binder.restoreCallingIdentity(origId); |
| } |
| } |
| |
| @Override |
| public void release() { |
| synchronized (mService) { |
| if (mContainerState == CONTAINER_STATE_FINISHING) { |
| return; |
| } |
| mContainerState = CONTAINER_STATE_FINISHING; |
| |
| long origId = Binder.clearCallingIdentity(); |
| try { |
| mStack.finishAllActivitiesLocked(false); |
| mService.mActivityStarter.removePendingActivityLaunchesLocked(mStack); |
| } finally { |
| Binder.restoreCallingIdentity(origId); |
| } |
| } |
| } |
| |
| protected void detachLocked() { |
| if (DEBUG_STACK) Slog.d(TAG_STACK, "detachLocked: " + this + " from display=" |
| + mActivityDisplay + " Callers=" + Debug.getCallers(2)); |
| if (mActivityDisplay != null) { |
| mActivityDisplay.detachActivitiesLocked(mStack); |
| mActivityDisplay = null; |
| mStack.detachDisplay(); |
| } |
| } |
| |
| @Override |
| public final int startActivity(Intent intent) { |
| return mService.startActivity(intent, this); |
| } |
| |
| @Override |
| public final int startActivityIntentSender(IIntentSender intentSender) |
| throws TransactionTooLargeException { |
| mService.enforceNotIsolatedCaller("ActivityContainer.startActivityIntentSender"); |
| |
| if (!(intentSender instanceof PendingIntentRecord)) { |
| throw new IllegalArgumentException("Bad PendingIntent object"); |
| } |
| |
| final int userId = mService.mUserController.handleIncomingUser(Binder.getCallingPid(), |
| Binder.getCallingUid(), mCurrentUser, false, |
| ActivityManagerService.ALLOW_FULL_ONLY, "ActivityContainer", null); |
| |
| final PendingIntentRecord pendingIntent = (PendingIntentRecord) intentSender; |
| checkEmbeddedAllowedInner(userId, pendingIntent.key.requestIntent, |
| pendingIntent.key.requestResolvedType); |
| |
| return pendingIntent.sendInner(0, null, null, null, null, null, null, 0, |
| FORCE_NEW_TASK_FLAGS, FORCE_NEW_TASK_FLAGS, null, this); |
| } |
| |
| void checkEmbeddedAllowedInner(int userId, Intent intent, String resolvedType) { |
| ActivityInfo aInfo = resolveActivity(intent, resolvedType, 0, null, userId); |
| if (aInfo != null && (aInfo.flags & ActivityInfo.FLAG_ALLOW_EMBEDDED) == 0) { |
| throw new SecurityException( |
| "Attempt to embed activity that has not set allowEmbedded=\"true\""); |
| } |
| } |
| |
| @Override |
| public IBinder asBinder() { |
| return this; |
| } |
| |
| @Override |
| public void setSurface(Surface surface, int width, int height, int density) { |
| mService.enforceNotIsolatedCaller("ActivityContainer.attachToSurface"); |
| } |
| |
| ActivityStackSupervisor getOuter() { |
| return ActivityStackSupervisor.this; |
| } |
| |
| boolean isAttachedLocked() { |
| return mActivityDisplay != null; |
| } |
| |
| // TODO: Make sure every change to ActivityRecord.visible results in a call to this. |
| void setVisible(boolean visible) { |
| if (mVisible != visible) { |
| mVisible = visible; |
| if (mCallback != null) { |
| mHandler.obtainMessage(CONTAINER_CALLBACK_VISIBILITY, visible ? 1 : 0, |
| 0 /* unused */, this).sendToTarget(); |
| } |
| } |
| } |
| |
| void setDrawn() { |
| } |
| |
| // You can always start a new task on a regular ActivityStack. |
| boolean isEligibleForNewTasks() { |
| return true; |
| } |
| |
| void onTaskListEmptyLocked() { |
| detachLocked(); |
| deleteActivityContainer(this); |
| mHandler.obtainMessage(CONTAINER_CALLBACK_TASK_LIST_EMPTY, this).sendToTarget(); |
| } |
| |
| @Override |
| public String toString() { |
| return mIdString + (mActivityDisplay == null ? "N" : "A"); |
| } |
| } |
| |
| private class VirtualActivityContainer extends ActivityContainer { |
| Surface mSurface; |
| boolean mDrawn = false; |
| |
| VirtualActivityContainer(ActivityRecord parent, IActivityContainerCallback callback) { |
| super(getNextStackId()); |
| mParentActivity = parent; |
| mCallback = callback; |
| mContainerState = CONTAINER_STATE_NO_SURFACE; |
| mIdString = "VirtualActivityContainer{" + mStackId + ", parent=" + mParentActivity + "}"; |
| } |
| |
| @Override |
| public void setSurface(Surface surface, int width, int height, int density) { |
| super.setSurface(surface, width, height, density); |
| |
| synchronized (mService) { |
| final long origId = Binder.clearCallingIdentity(); |
| try { |
| setSurfaceLocked(surface, width, height, density); |
| } finally { |
| Binder.restoreCallingIdentity(origId); |
| } |
| } |
| } |
| |
| private void setSurfaceLocked(Surface surface, int width, int height, int density) { |
| if (mContainerState == CONTAINER_STATE_FINISHING) { |
| return; |
| } |
| VirtualActivityDisplay virtualActivityDisplay = |
| (VirtualActivityDisplay) mActivityDisplay; |
| if (virtualActivityDisplay == null) { |
| virtualActivityDisplay = |
| new VirtualActivityDisplay(width, height, density); |
| mActivityDisplay = virtualActivityDisplay; |
| mActivityDisplays.put(virtualActivityDisplay.mDisplayId, virtualActivityDisplay); |
| attachToDisplayLocked(virtualActivityDisplay, true); |
| } |
| |
| if (mSurface != null) { |
| mSurface.release(); |
| } |
| |
| mSurface = surface; |
| if (surface != null) { |
| resumeFocusedStackTopActivityLocked(); |
| } else { |
| mContainerState = CONTAINER_STATE_NO_SURFACE; |
| ((VirtualActivityDisplay) mActivityDisplay).setSurface(null); |
| if (mStack.mPausingActivity == null && mStack.mResumedActivity != null) { |
| mStack.startPausingLocked(false, true, false, false); |
| } |
| } |
| |
| setSurfaceIfReadyLocked(); |
| |
| if (DEBUG_STACK) Slog.d(TAG_STACK, |
| "setSurface: " + this + " to display=" + virtualActivityDisplay); |
| } |
| |
| @Override |
| boolean isAttachedLocked() { |
| return mSurface != null && super.isAttachedLocked(); |
| } |
| |
| @Override |
| void setDrawn() { |
| synchronized (mService) { |
| mDrawn = true; |
| setSurfaceIfReadyLocked(); |
| } |
| } |
| |
| // Never start a new task on an ActivityView if it isn't explicitly specified. |
| @Override |
| boolean isEligibleForNewTasks() { |
| return false; |
| } |
| |
| private void setSurfaceIfReadyLocked() { |
| if (DEBUG_STACK) Slog.v(TAG_STACK, "setSurfaceIfReadyLocked: mDrawn=" + mDrawn + |
| " mContainerState=" + mContainerState + " mSurface=" + mSurface); |
| if (mDrawn && mSurface != null && mContainerState == CONTAINER_STATE_NO_SURFACE) { |
| ((VirtualActivityDisplay) mActivityDisplay).setSurface(mSurface); |
| mContainerState = CONTAINER_STATE_HAS_SURFACE; |
| } |
| } |
| } |
| |
| /** Exactly one of these classes per Display in the system. Capable of holding zero or more |
| * attached {@link ActivityStack}s */ |
| class ActivityDisplay { |
| /** Actual Display this object tracks. */ |
| int mDisplayId; |
| Display mDisplay; |
| DisplayInfo mDisplayInfo = new DisplayInfo(); |
| |
| /** All of the stacks on this display. Order matters, topmost stack is in front of all other |
| * stacks, bottommost behind. Accessed directly by ActivityManager package classes */ |
| final ArrayList<ActivityStack> mStacks = new ArrayList<>(); |
| |
| ActivityRecord mVisibleBehindActivity; |
| |
| ActivityDisplay() { |
| } |
| |
| // After instantiation, check that mDisplay is not null before using this. The alternative |
| // is for this to throw an exception if mDisplayManager.getDisplay() returns null. |
| ActivityDisplay(int displayId) { |
| final Display display = mDisplayManager.getDisplay(displayId); |
| if (display == null) { |
| return; |
| } |
| init(display); |
| } |
| |
| void init(Display display) { |
| mDisplay = display; |
| mDisplayId = display.getDisplayId(); |
| mDisplay.getDisplayInfo(mDisplayInfo); |
| } |
| |
| void attachActivities(ActivityStack stack, boolean onTop) { |
| if (DEBUG_STACK) Slog.v(TAG_STACK, |
| "attachActivities: attaching " + stack + " to displayId=" + mDisplayId |
| + " onTop=" + onTop); |
| if (onTop) { |
| mStacks.add(stack); |
| } else { |
| mStacks.add(0, stack); |
| } |
| } |
| |
| void detachActivitiesLocked(ActivityStack stack) { |
| if (DEBUG_STACK) Slog.v(TAG_STACK, "detachActivitiesLocked: detaching " + stack |
| + " from displayId=" + mDisplayId); |
| mStacks.remove(stack); |
| } |
| |
| void setVisibleBehindActivity(ActivityRecord r) { |
| mVisibleBehindActivity = r; |
| } |
| |
| boolean hasVisibleBehindActivity() { |
| return mVisibleBehindActivity != null; |
| } |
| |
| @Override |
| public String toString() { |
| return "ActivityDisplay={" + mDisplayId + " numStacks=" + mStacks.size() + "}"; |
| } |
| } |
| |
| class VirtualActivityDisplay extends ActivityDisplay { |
| VirtualDisplay mVirtualDisplay; |
| |
| VirtualActivityDisplay(int width, int height, int density) { |
| DisplayManagerGlobal dm = DisplayManagerGlobal.getInstance(); |
| mVirtualDisplay = dm.createVirtualDisplay(mService.mContext, null, |
| VIRTUAL_DISPLAY_BASE_NAME, width, height, density, null, |
| DisplayManager.VIRTUAL_DISPLAY_FLAG_PUBLIC | |
| DisplayManager.VIRTUAL_DISPLAY_FLAG_OWN_CONTENT_ONLY, null, null); |
| |
| init(mVirtualDisplay.getDisplay()); |
| |
| mWindowManager.handleDisplayAdded(mDisplayId); |
| } |
| |
| void setSurface(Surface surface) { |
| if (mVirtualDisplay != null) { |
| mVirtualDisplay.setSurface(surface); |
| } |
| } |
| |
| @Override |
| void detachActivitiesLocked(ActivityStack stack) { |
| super.detachActivitiesLocked(stack); |
| if (mVirtualDisplay != null) { |
| mVirtualDisplay.release(); |
| mVirtualDisplay = null; |
| } |
| } |
| |
| @Override |
| public String toString() { |
| return "VirtualActivityDisplay={" + mDisplayId + "}"; |
| } |
| } |
| |
| /** |
| * Adjust bounds to stay within stack bounds. |
| * |
| * Since bounds might be outside of stack bounds, this method tries to move the bounds in a way |
| * that keep them unchanged, but be contained within the stack bounds. |
| * |
| * @param bounds Bounds to be adjusted. |
| * @param stackBounds Bounds within which the other bounds should remain. |
| */ |
| private static void fitWithinBounds(Rect bounds, Rect stackBounds) { |
| if (stackBounds == null || stackBounds.contains(bounds)) { |
| return; |
| } |
| |
| if (bounds.left < stackBounds.left || bounds.right > stackBounds.right) { |
| final int maxRight = stackBounds.right |
| - (stackBounds.width() / FIT_WITHIN_BOUNDS_DIVIDER); |
| int horizontalDiff = stackBounds.left - bounds.left; |
| if ((horizontalDiff < 0 && bounds.left >= maxRight) |
| || (bounds.left + horizontalDiff >= maxRight)) { |
| horizontalDiff = maxRight - bounds.left; |
| } |
| bounds.left += horizontalDiff; |
| bounds.right += horizontalDiff; |
| } |
| |
| if (bounds.top < stackBounds.top || bounds.bottom > stackBounds.bottom) { |
| final int maxBottom = stackBounds.bottom |
| - (stackBounds.height() / FIT_WITHIN_BOUNDS_DIVIDER); |
| int verticalDiff = stackBounds.top - bounds.top; |
| if ((verticalDiff < 0 && bounds.top >= maxBottom) |
| || (bounds.top + verticalDiff >= maxBottom)) { |
| verticalDiff = maxBottom - bounds.top; |
| } |
| bounds.top += verticalDiff; |
| bounds.bottom += verticalDiff; |
| } |
| } |
| |
| ActivityStack findStackBehind(ActivityStack stack) { |
| // TODO(multi-display): We are only looking for stacks on the default display. |
| final ActivityDisplay display = mActivityDisplays.get(Display.DEFAULT_DISPLAY); |
| if (display == null) { |
| return null; |
| } |
| final ArrayList<ActivityStack> stacks = display.mStacks; |
| for (int i = stacks.size() - 1; i >= 0; i--) { |
| if (stacks.get(i) == stack && i > 0) { |
| return stacks.get(i - 1); |
| } |
| } |
| throw new IllegalStateException("Failed to find a stack behind stack=" + stack |
| + " in=" + stacks); |
| } |
| |
| /** |
| * Puts a task into resizing mode during the next app transition. |
| * |
| * @param taskId the id of the task to put into resizing mode |
| */ |
| private void setResizingDuringAnimation(int taskId) { |
| mResizingTasksDuringAnimation.add(taskId); |
| mWindowManager.setTaskDockedResizing(taskId, true); |
| } |
| |
| final int startActivityFromRecentsInner(int taskId, Bundle bOptions) { |
| final TaskRecord task; |
| final int callingUid; |
| final String callingPackage; |
| final Intent intent; |
| final int userId; |
| final ActivityOptions activityOptions = (bOptions != null) |
| ? new ActivityOptions(bOptions) : null; |
| final int launchStackId = (activityOptions != null) |
| ? activityOptions.getLaunchStackId() : INVALID_STACK_ID; |
| |
| if (launchStackId == HOME_STACK_ID) { |
| throw new IllegalArgumentException("startActivityFromRecentsInner: Task " |
| + taskId + " can't be launch in the home stack."); |
| } |
| task = anyTaskForIdLocked(taskId, RESTORE_FROM_RECENTS, launchStackId); |
| if (task == null) { |
| throw new IllegalArgumentException( |
| "startActivityFromRecentsInner: Task " + taskId + " not found."); |
| } |
| |
| if (launchStackId != INVALID_STACK_ID) { |
| if (launchStackId == DOCKED_STACK_ID) { |
| mWindowManager.setDockedStackCreateState( |
| activityOptions.getDockCreateMode(), null /* initialBounds */); |
| |
| // Defer updating the stack in which recents is until the app transition is done, to |
| // not run into issues where we still need to draw the task in recents but the |
| // docked stack is already created. |
| deferUpdateBounds(HOME_STACK_ID); |
| mWindowManager.prepareAppTransition(TRANSIT_DOCK_TASK_FROM_RECENTS, false); |
| } |
| if (task.stack.mStackId != launchStackId) { |
| moveTaskToStackLocked( |
| taskId, launchStackId, ON_TOP, FORCE_FOCUS, "startActivityFromRecents", |
| ANIMATE); |
| } |
| } |
| |
| // If the user must confirm credentials (e.g. when first launching a work app and the |
| // Work Challenge is present) let startActivityInPackage handle the intercepting. |
| if (!mService.mUserController.shouldConfirmCredentials(task.userId) |
| && task.getRootActivity() != null) { |
| mActivityMetricsLogger.notifyActivityLaunching(); |
| mService.moveTaskToFrontLocked(task.taskId, 0, bOptions); |
| |
| // If we are launching the task in the docked stack, put it into resizing mode so |
| // the window renders full-screen with the background filling the void. Also only |
| // call this at the end to make sure that tasks exists on the window manager side. |
| if (launchStackId == DOCKED_STACK_ID) { |
| setResizingDuringAnimation(taskId); |
| } |
| return ActivityManager.START_TASK_TO_FRONT; |
| } |
| callingUid = task.mCallingUid; |
| callingPackage = task.mCallingPackage; |
| intent = task.intent; |
| intent.addFlags(Intent.FLAG_ACTIVITY_LAUNCHED_FROM_HISTORY); |
| userId = task.userId; |
| int result = mService.startActivityInPackage(callingUid, callingPackage, intent, null, |
| null, null, 0, 0, bOptions, userId, null, task); |
| if (launchStackId == DOCKED_STACK_ID) { |
| setResizingDuringAnimation(task.taskId); |
| } |
| return result; |
| } |
| |
| /** |
| * @return a list of activities which are the top ones in each visible stack. The first |
| * entry will be the focused activity. |
| */ |
| public List<IBinder> getTopVisibleActivities() { |
| final ActivityDisplay display = mActivityDisplays.get(Display.DEFAULT_DISPLAY); |
| if (display == null) { |
| return Collections.EMPTY_LIST; |
| } |
| ArrayList<IBinder> topActivityTokens = new ArrayList<>(); |
| final ArrayList<ActivityStack> stacks = display.mStacks; |
| for (int i = stacks.size() - 1; i >= 0; i--) { |
| ActivityStack stack = stacks.get(i); |
| if (stack.getStackVisibilityLocked(null) == ActivityStack.STACK_VISIBLE) { |
| ActivityRecord top = stack.topActivity(); |
| if (top != null) { |
| if (stack == mFocusedStack) { |
| topActivityTokens.add(0, top.appToken); |
| } else { |
| topActivityTokens.add(top.appToken); |
| } |
| } |
| } |
| } |
| return topActivityTokens; |
| } |
| } |