| /* |
| * 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 static android.Manifest.permission.START_ANY_ACTIVITY; |
| import static android.app.ActivityManager.*; |
| 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_CLEAR_TASK; |
| import static android.content.Intent.FLAG_ACTIVITY_CLEAR_TOP; |
| import static android.content.Intent.FLAG_ACTIVITY_NEW_TASK; |
| import static android.content.Intent.FLAG_ACTIVITY_TASK_ON_HOME; |
| import static android.content.pm.ActivityInfo.FLAG_SHOW_FOR_ALL_USERS; |
| import static android.content.pm.PackageManager.PERMISSION_GRANTED; |
| import static android.os.Trace.TRACE_TAG_ACTIVITY_MANAGER; |
| import static android.view.WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS; |
| import static com.android.server.am.ActivityManagerDebugConfig.*; |
| import static com.android.server.am.ActivityManagerService.FIRST_SUPERVISOR_STACK_MSG; |
| 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.ActivityRecord.APPLICATION_ACTIVITY_TYPE; |
| import static com.android.server.am.ActivityStack.ActivityState.*; |
| 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 android.Manifest; |
| import android.app.Activity; |
| import android.app.ActivityManager; |
| 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.IApplicationThread; |
| import android.app.KeyguardManager; |
| import android.app.PendingIntent; |
| import android.app.ProfilerInfo; |
| import android.app.ActivityManager.RunningTaskInfo; |
| import android.app.IActivityManager.WaitResult; |
| 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.IntentSender; |
| import android.content.pm.ActivityInfo; |
| import android.content.pm.ApplicationInfo; |
| import android.content.pm.PackageInfo; |
| import android.content.pm.PackageManager; |
| import android.content.pm.PackageManagerInternal; |
| 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.net.Uri; |
| import android.os.Binder; |
| import android.os.Build; |
| 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.os.storage.StorageManager; |
| 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 android.widget.Toast; |
| |
| import com.android.internal.app.HeavyWeightSwitcherActivity; |
| import com.android.internal.app.IVoiceInteractor; |
| import com.android.internal.content.ReferrerIntent; |
| import com.android.internal.os.TransferPipe; |
| import com.android.internal.R; |
| 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.List; |
| import java.util.Set; |
| |
| public final class ActivityStackSupervisor implements DisplayListener { |
| private static final String TAG = TAG_WITH_CLASS_NAME ? "ActivityStackSupervisor" : TAG_AM; |
| private static final String TAG_CONFIGURATION = TAG + POSTFIX_CONFIGURATION; |
| private static final String TAG_CONTAINERS = TAG + POSTFIX_CONTAINERS; |
| private static final String TAG_FOCUS = TAG + POSTFIX_FOCUS; |
| 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_RESULTS = TAG + POSTFIX_RESULTS; |
| private static final String TAG_STACK = TAG + POSTFIX_STACK; |
| private static final String TAG_STATES = TAG + POSTFIX_STATES; |
| private static final String TAG_SWITCH = TAG + POSTFIX_SWITCH; |
| private static final String TAG_TASKS = TAG + POSTFIX_TASKS; |
| private static final String TAG_VISIBLE_BEHIND = TAG + POSTFIX_VISIBLE_BEHIND; |
| private static final String TAG_USER_LEAVING = TAG + POSTFIX_USER_LEAVING; |
| |
| /** 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; |
| |
| 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. |
| private 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; |
| |
| final ActivityManagerService mService; |
| |
| private final 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; |
| |
| /** Task identifier that activities are currently being started in. Incremented each time a |
| * new task is created. */ |
| private int mCurTaskId = 0; |
| |
| /** The current user */ |
| private int mCurrentUser; |
| |
| /** The stack containing the launcher app. Assumed to always be attached to |
| * Display.DEFAULT_DISPLAY. */ |
| private ActivityStack mHomeStack; |
| |
| /** The stack currently receiving input or launching the next activity. */ |
| private 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<>(); |
| |
| /** 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; |
| |
| final ArrayList<PendingActivityLaunch> mPendingActivityLaunches = new ArrayList<>(); |
| |
| /** Used to keep resumeTopActivityLocked() 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<>(); |
| |
| // 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. |
| private int mDefaultMinimalSizeOfResizeableTask = -1; |
| |
| // Whether tasks have moved and we need to rank the tasks before next OOM scoring |
| private boolean mTaskLayersChanged = true; |
| |
| /** |
| * 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, RecentTasks recentTasks) { |
| mService = service; |
| mRecentTasks = recentTasks; |
| mHandler = new ActivityStackSupervisorHandler(mService.mHandler.getLooper()); |
| } |
| |
| /** |
| * 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); |
| } |
| |
| createStackOnDisplay(HOME_STACK_ID, Display.DEFAULT_DISPLAY, true); |
| mHomeStack = mFocusedStack = mLastFocusedStack = getStack(HOME_STACK_ID); |
| |
| 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)); |
| } |
| |
| void setFocusStack(String reason, ActivityStack focusedStack) { |
| mLastFocusedStack = mFocusedStack; |
| mFocusedStack = focusedStack; |
| |
| EventLogTags.writeAmFocusedStack( |
| mCurrentUser, mFocusedStack == null ? -1 : mFocusedStack.getStackId(), |
| mLastFocusedStack == null ? -1 : mLastFocusedStack.getStackId(), reason); |
| |
| if (mService.mBooting || !mService.mBooted) { |
| final ActivityRecord r = topRunningActivityLocked(); |
| 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(); |
| // Only resume home activity if isn't finishing. |
| if (r != null && !r.finishing) { |
| mService.setFocusedActivityLocked(r, reason); |
| return resumeTopActivitiesLocked(mHomeStack, prev, null); |
| } |
| return mService.startHomeActivityLocked(mCurrentUser, reason); |
| } |
| |
| 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; |
| } |
| |
| void setNextTaskId(int taskId) { |
| if (taskId > mCurTaskId) { |
| mCurTaskId = taskId; |
| } |
| } |
| |
| int getNextTaskId() { |
| do { |
| mCurTaskId++; |
| if (mCurTaskId <= 0) { |
| mCurTaskId = 1; |
| } |
| } while (anyTaskForIdLocked(mCurTaskId, !RESTORE_FROM_RECENTS, INVALID_STACK_ID) != null); |
| return mCurTaskId; |
| } |
| |
| 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 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)) { |
| 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, String resolvedType, int startFlags, |
| ProfilerInfo profilerInfo, int userId) { |
| // Collect information about the target of the Intent. |
| ActivityInfo aInfo; |
| try { |
| ResolveInfo rInfo = |
| AppGlobals.getPackageManager().resolveIntent( |
| intent, resolvedType, |
| PackageManager.MATCH_DEFAULT_ONLY |
| | ActivityManagerService.STOCK_PM_FLAGS, userId); |
| aInfo = rInfo != null ? rInfo.activityInfo : null; |
| } catch (RemoteException e) { |
| aInfo = 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_TRACK_ALLOCATION) != 0) { |
| mService.setTrackAllocationApp(aInfo.applicationInfo, aInfo.processName); |
| } |
| |
| if (profilerInfo != null) { |
| mService.setProfileApp(aInfo.applicationInfo, aInfo.processName, profilerInfo); |
| } |
| } |
| } |
| return aInfo; |
| } |
| |
| void startHomeActivity(Intent intent, ActivityInfo aInfo, String reason) { |
| moveHomeStackTaskToTop(HOME_ACTIVITY_TYPE, reason); |
| startActivityLocked(null /* caller */, intent, null /* resolvedType */, aInfo, |
| null /* voiceSession */, null /* voiceInteractor */, null /* resultTo */, |
| null /* resultWho */, 0 /* requestCode */, 0 /* callingPid */, 0 /* callingUid */, |
| null /* callingPackage */, 0 /* realCallingPid */, 0 /* realCallingUid */, |
| 0 /* startFlags */, null /* options */, false /* ignoreTargetSecurity */, |
| false /* componentSpecified */, |
| null /* outActivity */, null /* container */, null /* inTask */); |
| if (inResumeTopActivity) { |
| // If we are in resume section already, home activity will be initialized, but not |
| // resumed (to avoid recursive resume) and will stay that way until something pokes it |
| // again. We need to schedule another resume. |
| scheduleResumeTopActivities(); |
| } |
| } |
| |
| final int startActivityMayWait(IApplicationThread caller, int callingUid, |
| String callingPackage, Intent intent, String resolvedType, |
| IVoiceInteractionSession voiceSession, IVoiceInteractor voiceInteractor, |
| IBinder resultTo, String resultWho, int requestCode, int startFlags, |
| ProfilerInfo profilerInfo, WaitResult outResult, Configuration config, |
| Bundle bOptions, boolean ignoreTargetSecurity, int userId, |
| IActivityContainer iContainer, TaskRecord inTask) { |
| // Refuse possible leaked file descriptors |
| if (intent != null && intent.hasFileDescriptors()) { |
| throw new IllegalArgumentException("File descriptors passed in Intent"); |
| } |
| boolean componentSpecified = intent.getComponent() != null; |
| |
| // Don't modify the client's object! |
| intent = new Intent(intent); |
| |
| // Collect information about the target of the Intent. |
| ActivityInfo aInfo = |
| resolveActivity(intent, resolvedType, startFlags, profilerInfo, userId); |
| |
| ActivityOptions options = ActivityOptions.fromBundle(bOptions); |
| ActivityContainer container = (ActivityContainer)iContainer; |
| synchronized (mService) { |
| if (container != null && container.mParentActivity != null && |
| container.mParentActivity.state != RESUMED) { |
| // Cannot start a child activity if the parent is not resumed. |
| return ActivityManager.START_CANCELED; |
| } |
| final int realCallingPid = Binder.getCallingPid(); |
| final int realCallingUid = Binder.getCallingUid(); |
| int callingPid; |
| if (callingUid >= 0) { |
| callingPid = -1; |
| } else if (caller == null) { |
| callingPid = realCallingPid; |
| callingUid = realCallingUid; |
| } else { |
| callingPid = callingUid = -1; |
| } |
| |
| final ActivityStack stack; |
| if (container == null || container.mStack.isOnHomeDisplay()) { |
| stack = mFocusedStack; |
| } else { |
| stack = container.mStack; |
| } |
| stack.mConfigWillChange = config != null && mService.mConfiguration.diff(config) != 0; |
| if (DEBUG_CONFIGURATION) Slog.v(TAG_CONFIGURATION, |
| "Starting activity when config will change = " + stack.mConfigWillChange); |
| |
| final long origId = Binder.clearCallingIdentity(); |
| |
| if (aInfo != null && |
| (aInfo.applicationInfo.privateFlags |
| &ApplicationInfo.PRIVATE_FLAG_CANT_SAVE_STATE) != 0) { |
| // This may be a heavy-weight process! Check to see if we already |
| // have another, different heavy-weight process running. |
| if (aInfo.processName.equals(aInfo.applicationInfo.packageName)) { |
| if (mService.mHeavyWeightProcess != null && |
| (mService.mHeavyWeightProcess.info.uid != aInfo.applicationInfo.uid || |
| !mService.mHeavyWeightProcess.processName.equals(aInfo.processName))) { |
| int appCallingUid = callingUid; |
| if (caller != null) { |
| ProcessRecord callerApp = mService.getRecordForAppLocked(caller); |
| if (callerApp != null) { |
| appCallingUid = callerApp.info.uid; |
| } else { |
| Slog.w(TAG, "Unable to find app for caller " + caller |
| + " (pid=" + callingPid + ") when starting: " |
| + intent.toString()); |
| ActivityOptions.abort(options); |
| return ActivityManager.START_PERMISSION_DENIED; |
| } |
| } |
| |
| IIntentSender target = mService.getIntentSenderLocked( |
| ActivityManager.INTENT_SENDER_ACTIVITY, "android", |
| appCallingUid, userId, null, null, 0, new Intent[] { intent }, |
| new String[] { resolvedType }, PendingIntent.FLAG_CANCEL_CURRENT |
| | PendingIntent.FLAG_ONE_SHOT, null); |
| |
| Intent newIntent = new Intent(); |
| if (requestCode >= 0) { |
| // Caller is requesting a result. |
| newIntent.putExtra(HeavyWeightSwitcherActivity.KEY_HAS_RESULT, true); |
| } |
| newIntent.putExtra(HeavyWeightSwitcherActivity.KEY_INTENT, |
| new IntentSender(target)); |
| if (mService.mHeavyWeightProcess.activities.size() > 0) { |
| ActivityRecord hist = mService.mHeavyWeightProcess.activities.get(0); |
| newIntent.putExtra(HeavyWeightSwitcherActivity.KEY_CUR_APP, |
| hist.packageName); |
| newIntent.putExtra(HeavyWeightSwitcherActivity.KEY_CUR_TASK, |
| hist.task.taskId); |
| } |
| newIntent.putExtra(HeavyWeightSwitcherActivity.KEY_NEW_APP, |
| aInfo.packageName); |
| newIntent.setFlags(intent.getFlags()); |
| newIntent.setClassName("android", |
| HeavyWeightSwitcherActivity.class.getName()); |
| intent = newIntent; |
| resolvedType = null; |
| caller = null; |
| callingUid = Binder.getCallingUid(); |
| callingPid = Binder.getCallingPid(); |
| componentSpecified = true; |
| try { |
| ResolveInfo rInfo = |
| AppGlobals.getPackageManager().resolveIntent( |
| intent, null, |
| PackageManager.MATCH_DEFAULT_ONLY |
| | ActivityManagerService.STOCK_PM_FLAGS, userId); |
| aInfo = rInfo != null ? rInfo.activityInfo : null; |
| aInfo = mService.getActivityInfoForUser(aInfo, userId); |
| } catch (RemoteException e) { |
| aInfo = null; |
| } |
| } |
| } |
| } |
| |
| int res = startActivityLocked(caller, intent, resolvedType, aInfo, |
| voiceSession, voiceInteractor, resultTo, resultWho, |
| requestCode, callingPid, callingUid, callingPackage, |
| realCallingPid, realCallingUid, startFlags, options, ignoreTargetSecurity, |
| componentSpecified, null, container, inTask); |
| |
| Binder.restoreCallingIdentity(origId); |
| |
| if (stack.mConfigWillChange) { |
| // If the caller also wants to switch to a new configuration, |
| // do so now. This allows a clean switch, as we are waiting |
| // for the current activity to pause (so we will not destroy |
| // it), and have not yet started the next activity. |
| mService.enforceCallingPermission(android.Manifest.permission.CHANGE_CONFIGURATION, |
| "updateConfiguration()"); |
| stack.mConfigWillChange = false; |
| if (DEBUG_CONFIGURATION) Slog.v(TAG_CONFIGURATION, |
| "Updating to new configuration after starting activity."); |
| mService.updateConfigurationLocked(config, null, false); |
| } |
| |
| if (outResult != null) { |
| outResult.result = res; |
| if (res == ActivityManager.START_SUCCESS) { |
| mWaitingActivityLaunched.add(outResult); |
| do { |
| try { |
| mService.wait(); |
| } catch (InterruptedException e) { |
| } |
| } while (!outResult.timeout && outResult.who == null); |
| } else if (res == ActivityManager.START_TASK_TO_FRONT) { |
| ActivityRecord r = stack.topRunningActivityLocked(); |
| if (r.nowVisible && r.state == RESUMED) { |
| outResult.timeout = false; |
| outResult.who = new ComponentName(r.info.packageName, r.info.name); |
| outResult.totalTime = 0; |
| outResult.thisTime = 0; |
| } else { |
| outResult.thisTime = SystemClock.uptimeMillis(); |
| mWaitingActivityVisible.add(outResult); |
| do { |
| try { |
| mService.wait(); |
| } catch (InterruptedException e) { |
| } |
| } while (!outResult.timeout && outResult.who == null); |
| } |
| } |
| } |
| |
| return res; |
| } |
| } |
| |
| final int startActivities(IApplicationThread caller, int callingUid, String callingPackage, |
| Intent[] intents, String[] resolvedTypes, IBinder resultTo, |
| Bundle bOptions, int userId) { |
| if (intents == null) { |
| throw new NullPointerException("intents is null"); |
| } |
| if (resolvedTypes == null) { |
| throw new NullPointerException("resolvedTypes is null"); |
| } |
| if (intents.length != resolvedTypes.length) { |
| throw new IllegalArgumentException("intents are length different than resolvedTypes"); |
| } |
| |
| |
| int callingPid; |
| if (callingUid >= 0) { |
| callingPid = -1; |
| } else if (caller == null) { |
| callingPid = Binder.getCallingPid(); |
| callingUid = Binder.getCallingUid(); |
| } else { |
| callingPid = callingUid = -1; |
| } |
| final long origId = Binder.clearCallingIdentity(); |
| try { |
| synchronized (mService) { |
| ActivityRecord[] outActivity = new ActivityRecord[1]; |
| for (int i=0; i<intents.length; i++) { |
| Intent intent = intents[i]; |
| if (intent == null) { |
| continue; |
| } |
| |
| // Refuse possible leaked file descriptors |
| if (intent != null && intent.hasFileDescriptors()) { |
| throw new IllegalArgumentException("File descriptors passed in Intent"); |
| } |
| |
| boolean componentSpecified = intent.getComponent() != null; |
| |
| // Don't modify the client's object! |
| intent = new Intent(intent); |
| |
| // Collect information about the target of the Intent. |
| ActivityInfo aInfo = resolveActivity(intent, resolvedTypes[i], 0, null, userId); |
| // TODO: New, check if this is correct |
| aInfo = mService.getActivityInfoForUser(aInfo, userId); |
| |
| if (aInfo != null && |
| (aInfo.applicationInfo.privateFlags |
| & ApplicationInfo.PRIVATE_FLAG_CANT_SAVE_STATE) != 0) { |
| throw new IllegalArgumentException( |
| "FLAG_CANT_SAVE_STATE not supported here"); |
| } |
| |
| ActivityOptions options = ActivityOptions.fromBundle( |
| i == intents.length - 1 ? bOptions : null); |
| int res = startActivityLocked(caller, intent, resolvedTypes[i], |
| aInfo, null, null, resultTo, null, -1, callingPid, callingUid, |
| callingPackage, callingPid, callingUid, |
| 0, options, false, componentSpecified, outActivity, null, null); |
| if (res < 0) { |
| return res; |
| } |
| |
| resultTo = outActivity[0] != null ? outActivity[0].appToken : null; |
| } |
| } |
| } finally { |
| Binder.restoreCallingIdentity(origId); |
| } |
| |
| return ActivityManager.START_SUCCESS; |
| } |
| |
| final boolean realStartActivityLocked(ActivityRecord r, |
| ProcessRecord app, boolean andResume, boolean checkConfig) |
| throws RemoteException { |
| |
| 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 STOPPED: " + r + " (starting in stopped state)"); |
| r.state = STOPPED; |
| r.stopped = true; |
| } |
| |
| // 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); |
| } |
| |
| final int startActivityLocked(IApplicationThread caller, |
| Intent intent, String resolvedType, ActivityInfo aInfo, |
| IVoiceInteractionSession voiceSession, IVoiceInteractor voiceInteractor, |
| IBinder resultTo, String resultWho, int requestCode, |
| int callingPid, int callingUid, String callingPackage, |
| int realCallingPid, int realCallingUid, int startFlags, ActivityOptions options, |
| boolean ignoreTargetSecurity, boolean componentSpecified, ActivityRecord[] outActivity, |
| ActivityContainer container, TaskRecord inTask) { |
| int err = ActivityManager.START_SUCCESS; |
| |
| ProcessRecord callerApp = null; |
| if (caller != null) { |
| callerApp = mService.getRecordForAppLocked(caller); |
| if (callerApp != null) { |
| callingPid = callerApp.pid; |
| callingUid = callerApp.info.uid; |
| } else { |
| Slog.w(TAG, "Unable to find app for caller " + caller |
| + " (pid=" + callingPid + ") when starting: " |
| + intent.toString()); |
| err = ActivityManager.START_PERMISSION_DENIED; |
| } |
| } |
| |
| final int userId = aInfo != null ? UserHandle.getUserId(aInfo.applicationInfo.uid) : 0; |
| |
| if (err == ActivityManager.START_SUCCESS) { |
| Slog.i(TAG, "START u" + userId + " {" + intent.toShortString(true, true, true, false) |
| + "} from uid " + callingUid |
| + " on display " + (container == null ? (mFocusedStack == null ? |
| Display.DEFAULT_DISPLAY : mFocusedStack.mDisplayId) : |
| (container.mActivityDisplay == null ? Display.DEFAULT_DISPLAY : |
| container.mActivityDisplay.mDisplayId))); |
| } |
| |
| ActivityRecord sourceRecord = null; |
| ActivityRecord resultRecord = null; |
| if (resultTo != null) { |
| sourceRecord = isInAnyStackLocked(resultTo); |
| if (DEBUG_RESULTS) Slog.v(TAG_RESULTS, |
| "Will send result to " + resultTo + " " + sourceRecord); |
| if (sourceRecord != null) { |
| if (requestCode >= 0 && !sourceRecord.finishing) { |
| resultRecord = sourceRecord; |
| } |
| } |
| } |
| |
| final int launchFlags = intent.getFlags(); |
| |
| if ((launchFlags & Intent.FLAG_ACTIVITY_FORWARD_RESULT) != 0 && sourceRecord != null) { |
| // Transfer the result target from the source activity to the new |
| // one being started, including any failures. |
| if (requestCode >= 0) { |
| ActivityOptions.abort(options); |
| return ActivityManager.START_FORWARD_AND_REQUEST_CONFLICT; |
| } |
| resultRecord = sourceRecord.resultTo; |
| if (resultRecord != null && !resultRecord.isInStackLocked()) { |
| resultRecord = null; |
| } |
| resultWho = sourceRecord.resultWho; |
| requestCode = sourceRecord.requestCode; |
| sourceRecord.resultTo = null; |
| if (resultRecord != null) { |
| resultRecord.removeResultsLocked(sourceRecord, resultWho, requestCode); |
| } |
| if (sourceRecord.launchedFromUid == callingUid) { |
| // The new activity is being launched from the same uid as the previous |
| // activity in the flow, and asking to forward its result back to the |
| // previous. In this case the activity is serving as a trampoline between |
| // the two, so we also want to update its launchedFromPackage to be the |
| // same as the previous activity. Note that this is safe, since we know |
| // these two packages come from the same uid; the caller could just as |
| // well have supplied that same package name itself. This specifially |
| // deals with the case of an intent picker/chooser being launched in the app |
| // flow to redirect to an activity picked by the user, where we want the final |
| // activity to consider it to have been launched by the previous app activity. |
| callingPackage = sourceRecord.launchedFromPackage; |
| } |
| } |
| |
| if (err == ActivityManager.START_SUCCESS && intent.getComponent() == null) { |
| // We couldn't find a class that can handle the given Intent. |
| // That's the end of that! |
| err = ActivityManager.START_INTENT_NOT_RESOLVED; |
| } |
| |
| if (err == ActivityManager.START_SUCCESS && aInfo == null) { |
| // We couldn't find the specific class specified in the Intent. |
| // Also the end of the line. |
| err = ActivityManager.START_CLASS_NOT_FOUND; |
| } |
| |
| if (err == ActivityManager.START_SUCCESS && sourceRecord != null |
| && sourceRecord.task.voiceSession != null) { |
| // If this activity is being launched as part of a voice session, we need |
| // to ensure that it is safe to do so. If the upcoming activity will also |
| // be part of the voice session, we can only launch it if it has explicitly |
| // said it supports the VOICE category, or it is a part of the calling app. |
| if ((launchFlags & Intent.FLAG_ACTIVITY_NEW_TASK) == 0 |
| && sourceRecord.info.applicationInfo.uid != aInfo.applicationInfo.uid) { |
| try { |
| intent.addCategory(Intent.CATEGORY_VOICE); |
| if (!AppGlobals.getPackageManager().activitySupportsIntent( |
| intent.getComponent(), intent, resolvedType)) { |
| Slog.w(TAG, |
| "Activity being started in current voice task does not support voice: " |
| + intent); |
| err = ActivityManager.START_NOT_VOICE_COMPATIBLE; |
| } |
| } catch (RemoteException e) { |
| Slog.w(TAG, "Failure checking voice capabilities", e); |
| err = ActivityManager.START_NOT_VOICE_COMPATIBLE; |
| } |
| } |
| } |
| |
| if (err == ActivityManager.START_SUCCESS && voiceSession != null) { |
| // If the caller is starting a new voice session, just make sure the target |
| // is actually allowing it to run this way. |
| try { |
| if (!AppGlobals.getPackageManager().activitySupportsIntent(intent.getComponent(), |
| intent, resolvedType)) { |
| Slog.w(TAG, |
| "Activity being started in new voice task does not support: " |
| + intent); |
| err = ActivityManager.START_NOT_VOICE_COMPATIBLE; |
| } |
| } catch (RemoteException e) { |
| Slog.w(TAG, "Failure checking voice capabilities", e); |
| err = ActivityManager.START_NOT_VOICE_COMPATIBLE; |
| } |
| } |
| |
| final ActivityStack resultStack = resultRecord == null ? null : resultRecord.task.stack; |
| |
| if (err != ActivityManager.START_SUCCESS) { |
| if (resultRecord != null) { |
| resultStack.sendActivityResultLocked(-1, |
| resultRecord, resultWho, requestCode, |
| Activity.RESULT_CANCELED, null); |
| } |
| ActivityOptions.abort(options); |
| return err; |
| } |
| |
| boolean abort = false; |
| |
| final int startAnyPerm = mService.checkPermission( |
| START_ANY_ACTIVITY, callingPid, callingUid); |
| |
| if (startAnyPerm != PERMISSION_GRANTED) { |
| 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); |
| } |
| 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) { |
| 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); |
| abort = true; |
| } else if (componentRestriction == ACTIVITY_RESTRICTION_APPOP) { |
| String message = "Appop Denial: starting " + intent.toString() |
| + " from " + callerApp + " (pid=" + callingPid |
| + ", uid=" + callingUid + ")" |
| + " requires appop " + AppOpsManager.permissionToOp(aInfo.permission); |
| Slog.w(TAG, message); |
| abort = true; |
| } |
| } |
| |
| abort |= !mService.mIntentFirewall.checkStartActivity(intent, callingUid, |
| callingPid, resolvedType, aInfo.applicationInfo); |
| |
| if (mService.mController != null) { |
| try { |
| // The Intent we give to the watcher has the extra data |
| // stripped off, since it can contain private information. |
| Intent watchIntent = intent.cloneFilter(); |
| abort |= !mService.mController.activityStarting(watchIntent, |
| aInfo.applicationInfo.packageName); |
| } catch (RemoteException e) { |
| mService.mController = null; |
| } |
| } |
| |
| UserInfo user = getUserInfo(userId); |
| KeyguardManager km = (KeyguardManager) mService.mContext |
| .getSystemService(Context.KEYGUARD_SERVICE); |
| if (user.isManagedProfile() |
| && LockPatternUtils.isSeparateWorkChallengeEnabled() |
| && km.isDeviceLocked(userId)) { |
| IIntentSender target = mService.getIntentSenderLocked( |
| ActivityManager.INTENT_SENDER_ACTIVITY, callingPackage, |
| Binder.getCallingUid(), userId, null, null, 0, new Intent[]{ intent }, |
| new String[]{ resolvedType }, |
| PendingIntent.FLAG_CANCEL_CURRENT | PendingIntent.FLAG_ONE_SHOT |
| | PendingIntent.FLAG_IMMUTABLE, null); |
| int flags = intent.getFlags(); |
| intent = km.createConfirmDeviceCredentialIntent(null, null); |
| intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK |
| | Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS); |
| intent.putExtra(Intent.EXTRA_PACKAGE_NAME, aInfo.packageName); |
| intent.putExtra(Intent.EXTRA_INTENT, new IntentSender(target)); |
| intent.putExtra(Intent.EXTRA_USER_ID, userId); |
| intent.setFlags(flags); |
| |
| resolvedType = null; |
| callingUid = realCallingUid; |
| callingPid = realCallingPid; |
| |
| UserInfo parent = UserManager.get(mService.mContext).getProfileParent(userId); |
| aInfo = resolveActivity(intent, null, PackageManager.MATCH_DEFAULT_ONLY |
| | ActivityManagerService.STOCK_PM_FLAGS, null, parent.id); |
| } |
| |
| if (abort) { |
| if (resultRecord != null) { |
| resultStack.sendActivityResultLocked(-1, resultRecord, resultWho, requestCode, |
| Activity.RESULT_CANCELED, null); |
| } |
| // We pretend to the caller that it was really started, but |
| // they will just get a cancel result. |
| ActivityOptions.abort(options); |
| return ActivityManager.START_SUCCESS; |
| } |
| |
| // If permissions need a review before any of the app components can run, we |
| // launch the review activity and pass a pending intent to start the activity |
| // we are to launching now after the review is completed. |
| if (Build.PERMISSIONS_REVIEW_REQUIRED && aInfo != null) { |
| if (mService.getPackageManagerInternalLocked().isPermissionsReviewRequired( |
| aInfo.packageName, userId)) { |
| IIntentSender target = mService.getIntentSenderLocked( |
| ActivityManager.INTENT_SENDER_ACTIVITY, callingPackage, |
| callingUid, userId, null, null, 0, new Intent[]{intent}, |
| new String[]{resolvedType}, PendingIntent.FLAG_CANCEL_CURRENT |
| | PendingIntent.FLAG_ONE_SHOT, null); |
| |
| Intent newIntent = new Intent(Intent.ACTION_REVIEW_PERMISSIONS); |
| newIntent.addFlags(Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS); |
| newIntent.putExtra(Intent.EXTRA_PACKAGE_NAME, aInfo.packageName); |
| newIntent.putExtra(Intent.EXTRA_INTENT, new IntentSender(target)); |
| if (resultRecord != null) { |
| newIntent.putExtra(Intent.EXTRA_RESULT_NEEDED, true); |
| } |
| newIntent.setFlags(intent.getFlags()); |
| intent = newIntent; |
| |
| resolvedType = null; |
| callingUid = realCallingUid; |
| callingPid = realCallingPid; |
| |
| aInfo = resolveActivity(intent, null, PackageManager.MATCH_DEFAULT_ONLY |
| | ActivityManagerService.STOCK_PM_FLAGS, null, userId); |
| |
| if (DEBUG_PERMISSIONS_REVIEW) { |
| Slog.i(TAG, "START u" + userId + " {" + intent.toShortString(true, true, |
| true, false) + "} from uid " + callingUid + " on display " |
| + (container == null ? (mFocusedStack == null ? |
| Display.DEFAULT_DISPLAY : mFocusedStack.mDisplayId) : |
| (container.mActivityDisplay == null ? Display.DEFAULT_DISPLAY : |
| container.mActivityDisplay.mDisplayId))); |
| } |
| } |
| } |
| |
| ActivityRecord r = new ActivityRecord(mService, callerApp, callingUid, callingPackage, |
| intent, resolvedType, aInfo, mService.mConfiguration, resultRecord, resultWho, |
| requestCode, componentSpecified, voiceSession != null, this, container, options); |
| if (outActivity != null) { |
| outActivity[0] = r; |
| } |
| |
| if (r.appTimeTracker == null && sourceRecord != null) { |
| // If the caller didn't specify an explicit time tracker, we want to continue |
| // tracking under any it has. |
| r.appTimeTracker = sourceRecord.appTimeTracker; |
| } |
| |
| final ActivityStack stack = mFocusedStack; |
| if (voiceSession == null && (stack.mResumedActivity == null |
| || stack.mResumedActivity.info.applicationInfo.uid != callingUid)) { |
| if (!mService.checkAppSwitchAllowedLocked(callingPid, callingUid, |
| realCallingPid, realCallingUid, "Activity start")) { |
| PendingActivityLaunch pal = new PendingActivityLaunch(r, |
| sourceRecord, startFlags, stack, callerApp); |
| mPendingActivityLaunches.add(pal); |
| ActivityOptions.abort(options); |
| return ActivityManager.START_SWITCHES_CANCELED; |
| } |
| } |
| |
| if (mService.mDidAppSwitch) { |
| // This is the second allowed switch since we stopped switches, |
| // so now just generally allow switches. Use case: user presses |
| // home (switches disabled, switch to home, mDidAppSwitch now true); |
| // user taps a home icon (coming from home so allowed, we hit here |
| // and now allow anyone to switch again). |
| mService.mAppSwitchesAllowedTime = 0; |
| } else { |
| mService.mDidAppSwitch = true; |
| } |
| |
| doPendingActivityLaunchesLocked(false); |
| |
| err = startActivityUncheckedLocked(r, sourceRecord, voiceSession, voiceInteractor, |
| startFlags, true, options, inTask); |
| |
| if (err < 0) { |
| // If someone asked to have the keyguard dismissed on the next |
| // activity start, but we are not actually doing an activity |
| // switch... just dismiss the keyguard now, because we |
| // probably want to see whatever is behind it. |
| notifyActivityDrawnForKeyguard(); |
| } |
| return err; |
| } |
| |
| private 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; |
| } |
| |
| ActivityStack computeStackFocus(ActivityRecord r, boolean newTask, Rect bounds) { |
| final TaskRecord task = r.task; |
| |
| if (!(r.isApplicationActivity() || (task != null && task.isApplicationTask()))) { |
| return mHomeStack; |
| } |
| |
| ActivityStack stack; |
| |
| if (task != null && task.stack != null) { |
| stack = task.stack; |
| if (stack.isOnHomeDisplay()) { |
| if (mFocusedStack != stack) { |
| if (DEBUG_FOCUS || DEBUG_STACK) Slog.d(TAG_FOCUS, |
| "computeStackFocus: Setting " + "focused stack to r=" + r |
| + " task=" + task); |
| } else { |
| if (DEBUG_FOCUS || DEBUG_STACK) Slog.d(TAG_FOCUS, |
| "computeStackFocus: Focused stack already=" + mFocusedStack); |
| } |
| } |
| return stack; |
| } |
| |
| final ActivityContainer container = r.mInitialActivityContainer; |
| if (container != null) { |
| // The first time put it on the desired stack, after this put on task stack. |
| r.mInitialActivityContainer = null; |
| return container.mStack; |
| } |
| |
| // The fullscreen stack can contain any task regardless of if the task is resizeable |
| // or not. So, we let the task go in the fullscreen task if it is the focus stack. |
| // If the freeform stack has focus, and the activity to be launched is resizeable, |
| // we can also put it in the focused stack. |
| final boolean canUseFocusedStack = |
| mFocusedStack.mStackId == FULLSCREEN_WORKSPACE_STACK_ID |
| || mFocusedStack.mStackId == FREEFORM_WORKSPACE_STACK_ID && r.info.resizeable; |
| if (canUseFocusedStack |
| && (!newTask || mFocusedStack.mActivityContainer.isEligibleForNewTasks())) { |
| if (DEBUG_FOCUS || DEBUG_STACK) Slog.d(TAG_FOCUS, |
| "computeStackFocus: Have a focused stack=" + mFocusedStack); |
| return mFocusedStack; |
| } |
| |
| // We first try to put the task in the first dynamic stack. |
| final ArrayList<ActivityStack> homeDisplayStacks = mHomeStack.mStacks; |
| for (int stackNdx = homeDisplayStacks.size() - 1; stackNdx >= 0; --stackNdx) { |
| stack = homeDisplayStacks.get(stackNdx); |
| if (!StackId.isStaticStack(stack.mStackId)) { |
| if (DEBUG_FOCUS || DEBUG_STACK) Slog.d(TAG_FOCUS, |
| "computeStackFocus: Setting focused stack=" + stack); |
| return stack; |
| } |
| } |
| |
| // If there is no suitable dynamic stack then we figure out which static stack to use. |
| final int stackId = task != null ? task.getLaunchStackId() : |
| bounds != null ? FREEFORM_WORKSPACE_STACK_ID : |
| FULLSCREEN_WORKSPACE_STACK_ID; |
| stack = getStack(stackId, CREATE_IF_NEEDED, ON_TOP); |
| if (DEBUG_FOCUS || DEBUG_STACK) Slog.d(TAG_FOCUS, "computeStackFocus: New stack r=" |
| + r + " stackId=" + stack.mStackId); |
| return stack; |
| } |
| |
| boolean setFocusedStack(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 set focus stack for r=" + r + " task=" + task); |
| return false; |
| } |
| task.stack.moveToFront(reason, task); |
| return true; |
| } |
| |
| final int startActivityUncheckedLocked(final ActivityRecord r, ActivityRecord sourceRecord, |
| IVoiceInteractionSession voiceSession, IVoiceInteractor voiceInteractor, int startFlags, |
| boolean doResume, ActivityOptions options, TaskRecord inTask) { |
| final Intent intent = r.intent; |
| final int callingUid = r.launchedFromUid; |
| |
| boolean overrideBounds = false; |
| Rect newBounds = null; |
| if (options != null && (r.info.resizeable || (inTask != null && inTask.mResizeable))) { |
| if (canUseActivityOptionsLaunchBounds(options)) { |
| overrideBounds = true; |
| newBounds = options.getLaunchBounds(); |
| } |
| } |
| |
| // In some flows in to this function, we retrieve the task record and hold on to it |
| // without a lock before calling back in to here... so the task at this point may |
| // not actually be in recents. Check for that, and if it isn't in recents just |
| // consider it invalid. |
| if (inTask != null && !inTask.inRecents) { |
| Slog.w(TAG, "Starting activity in task not in recents: " + inTask); |
| inTask = null; |
| } |
| |
| final boolean launchSingleTop = r.launchMode == ActivityInfo.LAUNCH_SINGLE_TOP; |
| final boolean launchSingleInstance = r.launchMode == ActivityInfo.LAUNCH_SINGLE_INSTANCE; |
| final boolean launchSingleTask = r.launchMode == ActivityInfo.LAUNCH_SINGLE_TASK; |
| |
| int launchFlags = intent.getFlags(); |
| if ((launchFlags & Intent.FLAG_ACTIVITY_NEW_DOCUMENT) != 0 && |
| (launchSingleInstance || launchSingleTask)) { |
| // We have a conflict between the Intent and the Activity manifest, manifest wins. |
| Slog.i(TAG, "Ignoring FLAG_ACTIVITY_NEW_DOCUMENT, launchMode is " + |
| "\"singleInstance\" or \"singleTask\""); |
| launchFlags &= |
| ~(Intent.FLAG_ACTIVITY_NEW_DOCUMENT | Intent.FLAG_ACTIVITY_MULTIPLE_TASK); |
| } else { |
| switch (r.info.documentLaunchMode) { |
| case ActivityInfo.DOCUMENT_LAUNCH_NONE: |
| break; |
| case ActivityInfo.DOCUMENT_LAUNCH_INTO_EXISTING: |
| launchFlags |= Intent.FLAG_ACTIVITY_NEW_DOCUMENT; |
| break; |
| case ActivityInfo.DOCUMENT_LAUNCH_ALWAYS: |
| launchFlags |= Intent.FLAG_ACTIVITY_NEW_DOCUMENT; |
| break; |
| case ActivityInfo.DOCUMENT_LAUNCH_NEVER: |
| launchFlags &= ~Intent.FLAG_ACTIVITY_MULTIPLE_TASK; |
| break; |
| } |
| } |
| |
| final boolean launchTaskBehind = r.mLaunchTaskBehind |
| && !launchSingleTask && !launchSingleInstance |
| && (launchFlags & Intent.FLAG_ACTIVITY_NEW_DOCUMENT) != 0; |
| |
| if (r.resultTo != null && (launchFlags & Intent.FLAG_ACTIVITY_NEW_TASK) != 0 |
| && r.resultTo.task.stack != null) { |
| // For whatever reason this activity is being launched into a new |
| // task... yet the caller has requested a result back. Well, that |
| // is pretty messed up, so instead immediately send back a cancel |
| // and let the new task continue launched as normal without a |
| // dependency on its originator. |
| Slog.w(TAG, "Activity is launching as a new task, so cancelling activity result."); |
| r.resultTo.task.stack.sendActivityResultLocked(-1, |
| r.resultTo, r.resultWho, r.requestCode, |
| Activity.RESULT_CANCELED, null); |
| r.resultTo = null; |
| } |
| |
| if ((launchFlags & Intent.FLAG_ACTIVITY_NEW_DOCUMENT) != 0 && r.resultTo == null) { |
| launchFlags |= Intent.FLAG_ACTIVITY_NEW_TASK; |
| } |
| |
| // If we are actually going to launch in to a new task, there are some cases where |
| // we further want to do multiple task. |
| if ((launchFlags & Intent.FLAG_ACTIVITY_NEW_TASK) != 0) { |
| if (launchTaskBehind |
| || r.info.documentLaunchMode == ActivityInfo.DOCUMENT_LAUNCH_ALWAYS) { |
| launchFlags |= Intent.FLAG_ACTIVITY_MULTIPLE_TASK; |
| } |
| } |
| |
| // We'll invoke onUserLeaving before onPause only if the launching |
| // activity did not explicitly state that this is an automated launch. |
| mUserLeaving = (launchFlags & Intent.FLAG_ACTIVITY_NO_USER_ACTION) == 0; |
| if (DEBUG_USER_LEAVING) Slog.v(TAG_USER_LEAVING, |
| "startActivity() => mUserLeaving=" + mUserLeaving); |
| |
| // If the caller has asked not to resume at this point, we make note |
| // of this in the record so that we can skip it when trying to find |
| // the top running activity. |
| if (!doResume || !okToShowLocked(r)) { |
| r.delayedResume = true; |
| doResume = false; |
| } |
| |
| ActivityRecord notTop = |
| (launchFlags & Intent.FLAG_ACTIVITY_PREVIOUS_IS_TOP) != 0 ? r : null; |
| |
| // If the onlyIfNeeded flag is set, then we can do this if the activity |
| // being launched is the same as the one making the call... or, as |
| // a special case, if we do not know the caller then we count the |
| // current top activity as the caller. |
| if ((startFlags&ActivityManager.START_FLAG_ONLY_IF_NEEDED) != 0) { |
| ActivityRecord checkedCaller = sourceRecord; |
| if (checkedCaller == null) { |
| checkedCaller = mFocusedStack.topRunningNonDelayedActivityLocked(notTop); |
| } |
| if (!checkedCaller.realActivity.equals(r.realActivity)) { |
| // Caller is not the same as launcher, so always needed. |
| startFlags &= ~ActivityManager.START_FLAG_ONLY_IF_NEEDED; |
| } |
| } |
| |
| boolean addingToTask = false; |
| TaskRecord reuseTask = null; |
| |
| // If the caller is not coming from another activity, but has given us an |
| // explicit task into which they would like us to launch the new activity, |
| // then let's see about doing that. |
| if (sourceRecord == null && inTask != null && inTask.stack != null) { |
| final Intent baseIntent = inTask.getBaseIntent(); |
| final ActivityRecord root = inTask.getRootActivity(); |
| if (baseIntent == null) { |
| ActivityOptions.abort(options); |
| throw new IllegalArgumentException("Launching into task without base intent: " |
| + inTask); |
| } |
| |
| // If this task is empty, then we are adding the first activity -- it |
| // determines the root, and must be launching as a NEW_TASK. |
| if (launchSingleInstance || launchSingleTask) { |
| if (!baseIntent.getComponent().equals(r.intent.getComponent())) { |
| ActivityOptions.abort(options); |
| throw new IllegalArgumentException("Trying to launch singleInstance/Task " |
| + r + " into different task " + inTask); |
| } |
| if (root != null) { |
| ActivityOptions.abort(options); |
| throw new IllegalArgumentException("Caller with inTask " + inTask |
| + " has root " + root + " but target is singleInstance/Task"); |
| } |
| } |
| |
| // If task is empty, then adopt the interesting intent launch flags in to the |
| // activity being started. |
| if (root == null) { |
| final int flagsOfInterest = Intent.FLAG_ACTIVITY_NEW_TASK |
| | Intent.FLAG_ACTIVITY_MULTIPLE_TASK | Intent.FLAG_ACTIVITY_NEW_DOCUMENT |
| | Intent.FLAG_ACTIVITY_RETAIN_IN_RECENTS; |
| launchFlags = (launchFlags&~flagsOfInterest) |
| | (baseIntent.getFlags()&flagsOfInterest); |
| intent.setFlags(launchFlags); |
| inTask.setIntent(r); |
| addingToTask = true; |
| |
| // If the task is not empty and the caller is asking to start it as the root |
| // of a new task, then we don't actually want to start this on the task. We |
| // will bring the task to the front, and possibly give it a new intent. |
| } else if ((launchFlags & Intent.FLAG_ACTIVITY_NEW_TASK) != 0) { |
| addingToTask = false; |
| |
| } else { |
| addingToTask = true; |
| } |
| |
| reuseTask = inTask; |
| } else { |
| inTask = null; |
| // Launch ResolverActivity in the source task, so that it stays in the task |
| // bounds when in freeform workspace. |
| // Also put noDisplay activities in the source task. These by itself can |
| // be placed in any task/stack, however it could launch other activities |
| // like ResolverActivity, and we want those to stay in the original task. |
| if (r.isResolverActivity() || r.noDisplay) { |
| addingToTask = true; |
| } |
| } |
| |
| if (inTask == null) { |
| if (sourceRecord == null) { |
| // This activity is not being started from another... in this |
| // case we -always- start a new task. |
| if ((launchFlags & Intent.FLAG_ACTIVITY_NEW_TASK) == 0 && inTask == null) { |
| Slog.w(TAG, "startActivity called from non-Activity context; forcing " + |
| "Intent.FLAG_ACTIVITY_NEW_TASK for: " + intent); |
| launchFlags |= Intent.FLAG_ACTIVITY_NEW_TASK; |
| } |
| } else if (sourceRecord.launchMode == ActivityInfo.LAUNCH_SINGLE_INSTANCE) { |
| // The original activity who is starting us is running as a single |
| // instance... this new activity it is starting must go on its |
| // own task. |
| launchFlags |= Intent.FLAG_ACTIVITY_NEW_TASK; |
| } else if (launchSingleInstance || launchSingleTask) { |
| // The activity being started is a single instance... it always |
| // gets launched into its own task. |
| launchFlags |= Intent.FLAG_ACTIVITY_NEW_TASK; |
| } |
| } |
| |
| ActivityInfo newTaskInfo = null; |
| Intent newTaskIntent = null; |
| ActivityStack sourceStack; |
| if (sourceRecord != null) { |
| if (sourceRecord.finishing) { |
| // If the source is finishing, we can't further count it as our source. This |
| // is because the task it is associated with may now be empty and on its way out, |
| // so we don't want to blindly throw it in to that task. Instead we will take |
| // the NEW_TASK flow and try to find a task for it. But save the task information |
| // so it can be used when creating the new task. |
| if ((launchFlags & Intent.FLAG_ACTIVITY_NEW_TASK) == 0) { |
| Slog.w(TAG, "startActivity called from finishing " + sourceRecord |
| + "; forcing " + "Intent.FLAG_ACTIVITY_NEW_TASK for: " + intent); |
| launchFlags |= Intent.FLAG_ACTIVITY_NEW_TASK; |
| newTaskInfo = sourceRecord.info; |
| newTaskIntent = sourceRecord.task.intent; |
| } |
| sourceRecord = null; |
| sourceStack = null; |
| } else { |
| sourceStack = sourceRecord.task.stack; |
| } |
| } else { |
| sourceStack = null; |
| } |
| |
| boolean movedHome = false; |
| ActivityStack targetStack; |
| |
| intent.setFlags(launchFlags); |
| final boolean noAnimation = (launchFlags & Intent.FLAG_ACTIVITY_NO_ANIMATION) != 0; |
| |
| // We may want to try to place the new activity in to an existing task. We always |
| // do this if the target activity is singleTask or singleInstance; we will also do |
| // this if NEW_TASK has been requested, and there is not an additional qualifier telling |
| // us to still place it in a new task: multi task, always doc mode, or being asked to |
| // launch this as a new task behind the current one. |
| if (((launchFlags & Intent.FLAG_ACTIVITY_NEW_TASK) != 0 && |
| (launchFlags & Intent.FLAG_ACTIVITY_MULTIPLE_TASK) == 0) |
| || launchSingleInstance || launchSingleTask) { |
| // If bring to front is requested, and no result is requested and we have not |
| // been given an explicit task to launch in to, and |
| // we can find a task that was started with this same |
| // component, then instead of launching bring that one to the front. |
| if (inTask == null && r.resultTo == null) { |
| // See if there is a task to bring to the front. If this is |
| // a SINGLE_INSTANCE activity, there can be one and only one |
| // instance of it in the history, and it is always in its own |
| // unique task, so we do a special search. |
| ActivityRecord intentActivity = !launchSingleInstance ? |
| findTaskLocked(r) : findActivityLocked(intent, r.info); |
| if (intentActivity != null) { |
| // When the flags NEW_TASK and CLEAR_TASK are set, then the task gets reused |
| // but still needs to be a lock task mode violation since the task gets |
| // cleared out and the device would otherwise leave the locked task. |
| if (isLockTaskModeViolation(intentActivity.task, |
| (launchFlags & (FLAG_ACTIVITY_NEW_TASK | FLAG_ACTIVITY_CLEAR_TASK)) |
| == (FLAG_ACTIVITY_NEW_TASK | FLAG_ACTIVITY_CLEAR_TASK))) { |
| showLockTaskToast(); |
| Slog.e(TAG, "startActivityUnchecked: Attempt to violate Lock Task Mode"); |
| return ActivityManager.START_RETURN_LOCK_TASK_MODE_VIOLATION; |
| } |
| if (r.task == null) { |
| r.task = intentActivity.task; |
| } |
| if (intentActivity.task.intent == null) { |
| // This task was started because of movement of |
| // the activity based on affinity... now that we |
| // are actually launching it, we can assign the |
| // base intent. |
| intentActivity.task.setIntent(r); |
| } |
| targetStack = intentActivity.task.stack; |
| targetStack.mLastPausedActivity = null; |
| // If the target task is not in the front, then we need |
| // to bring it to the front... except... well, with |
| // SINGLE_TASK_LAUNCH it's not entirely clear. We'd like |
| // to have the same behavior as if a new instance was |
| // being started, which means not bringing it to the front |
| // if the caller is not itself in the front. |
| final ActivityStack focusStack = getFocusedStack(); |
| ActivityRecord curTop = (focusStack == null) |
| ? null : focusStack.topRunningNonDelayedActivityLocked(notTop); |
| boolean movedToFront = false; |
| if (curTop != null && (curTop.task != intentActivity.task || |
| curTop.task != focusStack.topTask())) { |
| r.intent.addFlags(Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT); |
| if (sourceRecord == null || (sourceStack.topActivity() != null && |
| sourceStack.topActivity().task == sourceRecord.task)) { |
| // We really do want to push this one into the user's face, right now. |
| if (launchTaskBehind && sourceRecord != null) { |
| intentActivity.setTaskToAffiliateWith(sourceRecord.task); |
| } |
| movedHome = true; |
| targetStack.moveTaskToFrontLocked(intentActivity.task, noAnimation, |
| options, r.appTimeTracker, "bringingFoundTaskToFront"); |
| movedToFront = true; |
| if ((launchFlags & |
| (FLAG_ACTIVITY_NEW_TASK | FLAG_ACTIVITY_TASK_ON_HOME)) |
| == (FLAG_ACTIVITY_NEW_TASK | FLAG_ACTIVITY_TASK_ON_HOME)) { |
| // Caller wants to appear on home activity. |
| intentActivity.task.setTaskToReturnTo(HOME_ACTIVITY_TYPE); |
| } |
| options = null; |
| } |
| } |
| if (!movedToFront && doResume) { |
| if (DEBUG_TASKS) Slog.d(TAG_TASKS, "Bring to front target: " + targetStack |
| + " from " + intentActivity); |
| targetStack.moveToFront("intentActivityFound"); |
| } |
| |
| // If the caller has requested that the target task be |
| // reset, then do so. |
| if ((launchFlags&Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED) != 0) { |
| intentActivity = targetStack.resetTaskIfNeededLocked(intentActivity, r); |
| } |
| if ((startFlags & ActivityManager.START_FLAG_ONLY_IF_NEEDED) != 0) { |
| // We don't need to start a new activity, and |
| // the client said not to do anything if that |
| // is the case, so this is it! And for paranoia, make |
| // sure we have correctly resumed the top activity. |
| if (doResume) { |
| resumeTopActivitiesLocked(targetStack, null, options); |
| |
| // Make sure to notify Keyguard as well if we are not running an app |
| // transition later. |
| if (!movedToFront) { |
| notifyActivityDrawnForKeyguard(); |
| } |
| } else { |
| ActivityOptions.abort(options); |
| } |
| updateUserStackLocked(r.userId, targetStack); |
| return ActivityManager.START_RETURN_INTENT_TO_CALLER; |
| } |
| if ((launchFlags & (FLAG_ACTIVITY_NEW_TASK | FLAG_ACTIVITY_CLEAR_TASK)) |
| == (FLAG_ACTIVITY_NEW_TASK | FLAG_ACTIVITY_CLEAR_TASK)) { |
| // The caller has requested to completely replace any |
| // existing task with its new activity. Well that should |
| // not be too hard... |
| reuseTask = intentActivity.task; |
| reuseTask.performClearTaskLocked(); |
| reuseTask.setIntent(r); |
| } else if ((launchFlags & FLAG_ACTIVITY_CLEAR_TOP) != 0 |
| || launchSingleInstance || launchSingleTask) { |
| // In this situation we want to remove all activities |
| // from the task up to the one being started. In most |
| // cases this means we are resetting the task to its |
| // initial state. |
| ActivityRecord top = |
| intentActivity.task.performClearTaskLocked(r, launchFlags); |
| if (top != null) { |
| if (top.frontOfTask) { |
| // Activity aliases may mean we use different |
| // intents for the top activity, so make sure |
| // the task now has the identity of the new |
| // intent. |
| top.task.setIntent(r); |
| } |
| ActivityStack.logStartActivity(EventLogTags.AM_NEW_INTENT, |
| r, top.task); |
| top.deliverNewIntentLocked(callingUid, r.intent, r.launchedFromPackage); |
| } else { |
| // A special case: we need to start the activity because it is not |
| // currently running, and the caller has asked to clear the current |
| // task to have this activity at the top. |
| addingToTask = true; |
| // Now pretend like this activity is being started by the top of its |
| // task, so it is put in the right place. |
| sourceRecord = intentActivity; |
| TaskRecord task = sourceRecord.task; |
| if (task != null && task.stack == null) { |
| // Target stack got cleared when we all activities were removed |
| // above. Go ahead and reset it. |
| targetStack = computeStackFocus( |
| sourceRecord, false /* newTask */, null /* bounds */); |
| targetStack.addTask( |
| task, !launchTaskBehind /* toTop */, false /* moving */); |
| } |
| |
| } |
| } else if (r.realActivity.equals(intentActivity.task.realActivity)) { |
| // In this case the top activity on the task is the |
| // same as the one being launched, so we take that |
| // as a request to bring the task to the foreground. |
| // If the top activity in the task is the root |
| // activity, deliver this new intent to it if it |
| // desires. |
| if (((launchFlags&Intent.FLAG_ACTIVITY_SINGLE_TOP) != 0 || launchSingleTop) |
| && intentActivity.realActivity.equals(r.realActivity)) { |
| ActivityStack.logStartActivity(EventLogTags.AM_NEW_INTENT, r, |
| intentActivity.task); |
| if (intentActivity.frontOfTask) { |
| intentActivity.task.setIntent(r); |
| } |
| intentActivity.deliverNewIntentLocked(callingUid, r.intent, |
| r.launchedFromPackage); |
| } else if (!r.intent.filterEquals(intentActivity.task.intent)) { |
| // In this case we are launching the root activity |
| // of the task, but with a different intent. We |
| // should start a new instance on top. |
| addingToTask = true; |
| sourceRecord = intentActivity; |
| } |
| } else if ((launchFlags&Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED) == 0) { |
| // In this case an activity is being launched in to an |
| // existing task, without resetting that task. This |
| // is typically the situation of launching an activity |
| // from a notification or shortcut. We want to place |
| // the new activity on top of the current task. |
| addingToTask = true; |
| sourceRecord = intentActivity; |
| } else if (!intentActivity.task.rootWasReset) { |
| // In this case we are launching in to an existing task |
| // that has not yet been started from its front door. |
| // The current task has been brought to the front. |
| // Ideally, we'd probably like to place this new task |
| // at the bottom of its stack, but that's a little hard |
| // to do with the current organization of the code so |
| // for now we'll just drop it. |
| intentActivity.task.setIntent(r); |
| } |
| if (!addingToTask && reuseTask == null) { |
| // We didn't do anything... but it was needed (a.k.a., client |
| // don't use that intent!) And for paranoia, make |
| // sure we have correctly resumed the top activity. |
| if (doResume) { |
| targetStack.resumeTopActivityLocked(null, options); |
| if (!movedToFront) { |
| // Make sure to notify Keyguard as well if we are not running an app |
| // transition later. |
| notifyActivityDrawnForKeyguard(); |
| } |
| } else { |
| ActivityOptions.abort(options); |
| } |
| updateUserStackLocked(r.userId, targetStack); |
| return ActivityManager.START_TASK_TO_FRONT; |
| } |
| } |
| } |
| } |
| |
| //String uri = r.intent.toURI(); |
| //Intent intent2 = new Intent(uri); |
| //Slog.i(TAG, "Given intent: " + r.intent); |
| //Slog.i(TAG, "URI is: " + uri); |
| //Slog.i(TAG, "To intent: " + intent2); |
| |
| if (r.packageName != null) { |
| // If the activity being launched is the same as the one currently |
| // at the top, then we need to check if it should only be launched |
| // once. |
| ActivityStack topStack = mFocusedStack; |
| ActivityRecord top = topStack.topRunningNonDelayedActivityLocked(notTop); |
| if (top != null && r.resultTo == null) { |
| if (top.realActivity.equals(r.realActivity) && top.userId == r.userId) { |
| if (top.app != null && top.app.thread != null) { |
| if ((launchFlags & Intent.FLAG_ACTIVITY_SINGLE_TOP) != 0 |
| || launchSingleTop || launchSingleTask) { |
| ActivityStack.logStartActivity(EventLogTags.AM_NEW_INTENT, top, |
| top.task); |
| // For paranoia, make sure we have correctly |
| // resumed the top activity. |
| topStack.mLastPausedActivity = null; |
| if (doResume) { |
| resumeTopActivitiesLocked(); |
| } |
| ActivityOptions.abort(options); |
| if ((startFlags&ActivityManager.START_FLAG_ONLY_IF_NEEDED) != 0) { |
| // We don't need to start a new activity, and |
| // the client said not to do anything if that |
| // is the case, so this is it! |
| return ActivityManager.START_RETURN_INTENT_TO_CALLER; |
| } |
| top.deliverNewIntentLocked(callingUid, r.intent, r.launchedFromPackage); |
| return ActivityManager.START_DELIVERED_TO_TOP; |
| } |
| } |
| } |
| } |
| |
| } else { |
| if (r.resultTo != null && r.resultTo.task.stack != null) { |
| r.resultTo.task.stack.sendActivityResultLocked(-1, r.resultTo, r.resultWho, |
| r.requestCode, Activity.RESULT_CANCELED, null); |
| } |
| ActivityOptions.abort(options); |
| return ActivityManager.START_CLASS_NOT_FOUND; |
| } |
| |
| boolean newTask = false; |
| boolean keepCurTransition = false; |
| |
| TaskRecord taskToAffiliate = launchTaskBehind && sourceRecord != null ? |
| sourceRecord.task : null; |
| |
| // Should this be considered a new task? |
| if (r.resultTo == null && inTask == null && !addingToTask |
| && (launchFlags & Intent.FLAG_ACTIVITY_NEW_TASK) != 0) { |
| newTask = true; |
| targetStack = computeStackFocus(r, newTask, newBounds); |
| if (doResume) { |
| targetStack.moveToFront("startingNewTask"); |
| } |
| |
| if (reuseTask == null) { |
| r.setTask(targetStack.createTaskRecord(getNextTaskId(), |
| newTaskInfo != null ? newTaskInfo : r.info, |
| newTaskIntent != null ? newTaskIntent : intent, |
| voiceSession, voiceInteractor, !launchTaskBehind /* toTop */), |
| taskToAffiliate); |
| if (overrideBounds) { |
| r.task.updateOverrideConfiguration(newBounds); |
| } |
| if (DEBUG_TASKS) Slog.v(TAG_TASKS, |
| "Starting new activity " + r + " in new task " + r.task); |
| } else { |
| r.setTask(reuseTask, taskToAffiliate); |
| } |
| if (isLockTaskModeViolation(r.task)) { |
| Slog.e(TAG, "Attempted Lock Task Mode violation r=" + r); |
| return ActivityManager.START_RETURN_LOCK_TASK_MODE_VIOLATION; |
| } |
| if (!movedHome) { |
| if ((launchFlags & |
| (FLAG_ACTIVITY_NEW_TASK | FLAG_ACTIVITY_TASK_ON_HOME)) |
| == (FLAG_ACTIVITY_NEW_TASK | FLAG_ACTIVITY_TASK_ON_HOME)) { |
| // Caller wants to appear on home activity, so before starting |
| // their own activity we will bring home to the front. |
| r.task.setTaskToReturnTo(HOME_ACTIVITY_TYPE); |
| } |
| } |
| } else if (sourceRecord != null) { |
| final TaskRecord sourceTask = sourceRecord.task; |
| if (isLockTaskModeViolation(sourceTask)) { |
| Slog.e(TAG, "Attempted Lock Task Mode violation r=" + r); |
| return ActivityManager.START_RETURN_LOCK_TASK_MODE_VIOLATION; |
| } |
| targetStack = sourceTask.stack; |
| if (doResume) { |
| targetStack.moveToFront("sourceStackToFront"); |
| } |
| final TaskRecord topTask = targetStack.topTask(); |
| if (topTask != sourceTask) { |
| targetStack.moveTaskToFrontLocked(sourceTask, noAnimation, options, |
| r.appTimeTracker, "sourceTaskToFront"); |
| } |
| if (!addingToTask && (launchFlags&Intent.FLAG_ACTIVITY_CLEAR_TOP) != 0) { |
| // In this case, we are adding the activity to an existing |
| // task, but the caller has asked to clear that task if the |
| // activity is already running. |
| ActivityRecord top = sourceTask.performClearTaskLocked(r, launchFlags); |
| keepCurTransition = true; |
| if (top != null) { |
| ActivityStack.logStartActivity(EventLogTags.AM_NEW_INTENT, r, top.task); |
| top.deliverNewIntentLocked(callingUid, r.intent, r.launchedFromPackage); |
| // For paranoia, make sure we have correctly |
| // resumed the top activity. |
| targetStack.mLastPausedActivity = null; |
| if (doResume) { |
| targetStack.resumeTopActivityLocked(null); |
| } |
| ActivityOptions.abort(options); |
| return ActivityManager.START_DELIVERED_TO_TOP; |
| } |
| } else if (!addingToTask && |
| (launchFlags&Intent.FLAG_ACTIVITY_REORDER_TO_FRONT) != 0) { |
| // In this case, we are launching an activity in our own task |
| // that may already be running somewhere in the history, and |
| // we want to shuffle it to the front of the stack if so. |
| final ActivityRecord top = sourceTask.findActivityInHistoryLocked(r); |
| if (top != null) { |
| final TaskRecord task = top.task; |
| task.moveActivityToFrontLocked(top); |
| ActivityStack.logStartActivity(EventLogTags.AM_NEW_INTENT, r, task); |
| top.updateOptionsLocked(options); |
| top.deliverNewIntentLocked(callingUid, r.intent, r.launchedFromPackage); |
| targetStack.mLastPausedActivity = null; |
| if (doResume) { |
| targetStack.resumeTopActivityLocked(null); |
| } |
| return ActivityManager.START_DELIVERED_TO_TOP; |
| } |
| } |
| // An existing activity is starting this new activity, so we want |
| // to keep the new one in the same task as the one that is starting |
| // it. |
| r.setTask(sourceTask, null); |
| if (DEBUG_TASKS) Slog.v(TAG_TASKS, "Starting new activity " + r |
| + " in existing task " + r.task + " from source " + sourceRecord); |
| |
| } else if (inTask != null) { |
| // The caller is asking that the new activity be started in an explicit |
| // task it has provided to us. |
| if (isLockTaskModeViolation(inTask)) { |
| Slog.e(TAG, "Attempted Lock Task Mode violation r=" + r); |
| return ActivityManager.START_RETURN_LOCK_TASK_MODE_VIOLATION; |
| } |
| if (overrideBounds) { |
| inTask.updateOverrideConfiguration(newBounds); |
| int stackId = inTask.getLaunchStackId(); |
| if (stackId != inTask.stack.mStackId) { |
| moveTaskToStackUncheckedLocked( |
| inTask, stackId, ON_TOP, !FORCE_FOCUS, "inTaskToFront"); |
| } |
| } |
| targetStack = inTask.stack; |
| targetStack.moveTaskToFrontLocked(inTask, noAnimation, options, r.appTimeTracker, |
| "inTaskToFront"); |
| |
| // Check whether we should actually launch the new activity in to the task, |
| // or just reuse the current activity on top. |
| ActivityRecord top = inTask.getTopActivity(); |
| if (top != null && top.realActivity.equals(r.realActivity) && top.userId == r.userId) { |
| if ((launchFlags & Intent.FLAG_ACTIVITY_SINGLE_TOP) != 0 |
| || launchSingleTop || launchSingleTask) { |
| ActivityStack.logStartActivity(EventLogTags.AM_NEW_INTENT, top, top.task); |
| if ((startFlags&ActivityManager.START_FLAG_ONLY_IF_NEEDED) != 0) { |
| // We don't need to start a new activity, and |
| // the client said not to do anything if that |
| // is the case, so this is it! |
| return ActivityManager.START_RETURN_INTENT_TO_CALLER; |
| } |
| top.deliverNewIntentLocked(callingUid, r.intent, r.launchedFromPackage); |
| return ActivityManager.START_DELIVERED_TO_TOP; |
| } |
| } |
| |
| if (!addingToTask) { |
| // We don't actually want to have this activity added to the task, so just |
| // stop here but still tell the caller that we consumed the intent. |
| ActivityOptions.abort(options); |
| return ActivityManager.START_TASK_TO_FRONT; |
| } |
| |
| r.setTask(inTask, null); |
| if (DEBUG_TASKS) Slog.v(TAG_TASKS, "Starting new activity " + r |
| + " in explicit task " + r.task); |
| |
| } else { |
| // This not being started from an existing activity, and not part |
| // of a new task... just put it in the top task, though these days |
| // this case should never happen. |
| targetStack = computeStackFocus(r, newTask, null /* bounds */); |
| if (doResume) { |
| targetStack.moveToFront("addingToTopTask"); |
| } |
| ActivityRecord prev = targetStack.topActivity(); |
| r.setTask(prev != null ? prev.task : targetStack.createTaskRecord(getNextTaskId(), |
| r.info, intent, null, null, true), null); |
| mWindowManager.moveTaskToTop(r.task.taskId); |
| if (DEBUG_TASKS) Slog.v(TAG_TASKS, "Starting new activity " + r |
| + " in new guessed " + r.task); |
| } |
| |
| mService.grantUriPermissionFromIntentLocked(callingUid, r.packageName, |
| intent, r.getUriPermissionsLocked(), r.userId); |
| |
| if (sourceRecord != null && sourceRecord.isRecentsActivity()) { |
| r.task.setTaskToReturnTo(RECENTS_ACTIVITY_TYPE); |
| } |
| if (newTask) { |
| EventLog.writeEvent(EventLogTags.AM_CREATE_TASK, r.userId, r.task.taskId); |
| } |
| ActivityStack.logStartActivity(EventLogTags.AM_CREATE_ACTIVITY, r, r.task); |
| targetStack.mLastPausedActivity = null; |
| targetStack.startActivityLocked(r, newTask, doResume, keepCurTransition, options); |
| if (!launchTaskBehind && doResume) { |
| mService.setFocusedActivityLocked(r, "startedActivity"); |
| } |
| updateUserStackLocked(r.userId, targetStack); |
| |
| if (!r.task.mResizeable && isStackDockedInEffect(targetStack.mStackId)) { |
| showNonResizeableDockToast(r.task.taskId); |
| } |
| |
| return ActivityManager.START_SUCCESS; |
| } |
| |
| final void doPendingActivityLaunchesLocked(boolean doResume) { |
| while (!mPendingActivityLaunches.isEmpty()) { |
| PendingActivityLaunch pal = mPendingActivityLaunches.remove(0); |
| |
| try { |
| startActivityUncheckedLocked(pal.r, pal.sourceRecord, null, null, pal.startFlags, |
| doResume && mPendingActivityLaunches.isEmpty(), null, null); |
| } catch (Exception e) { |
| Slog.e(TAG, "Exception during pending activity launch pal=" + pal, e); |
| pal.sendErrorResult(e.getMessage()); |
| } |
| } |
| } |
| |
| void removePendingActivityLaunchesLocked(ActivityStack stack) { |
| for (int palNdx = mPendingActivityLaunches.size() - 1; palNdx >= 0; --palNdx) { |
| PendingActivityLaunch pal = mPendingActivityLaunches.get(palNdx); |
| if (pal.stack == stack) { |
| mPendingActivityLaunches.remove(palNdx); |
| } |
| } |
| } |
| |
| 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)); |
| } |
| } |
| // Complete starting up of background users |
| if (mStartingBackgroundUsers.size() > 0) { |
| startingUsers = new ArrayList<UserState>(mStartingBackgroundUsers); |
| mStartingBackgroundUsers.clear(); |
| for (int i = 0; i < startingUsers.size(); i++) { |
| mService.mUserController.finishUserBoot(startingUsers.get(i)); |
| } |
| } |
| } |
| |
| mService.trimApplications(); |
| //dump(); |
| //mWindowManager.dump(); |
| |
| if (activityRemoved) { |
| resumeTopActivitiesLocked(); |
| } |
| |
| 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 resumeTopActivitiesLocked() { |
| return resumeTopActivitiesLocked(null, null, null); |
| } |
| |
| boolean resumeTopActivitiesLocked( |
| ActivityStack targetStack, ActivityRecord target, ActivityOptions targetOptions) { |
| if (targetStack == null) { |
| targetStack = mFocusedStack; |
| } |
| // Do targetStack first. |
| boolean result = false; |
| if (isFocusedStack(targetStack)) { |
| result = targetStack.resumeTopActivityLocked(target, targetOptions); |
| } |
| |
| 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 == targetStack) { |
| // Already started above. |
| continue; |
| } |
| if (isFocusedStack(stack)) { |
| stack.resumeTopActivityLocked(null); |
| } |
| } |
| } |
| return result; |
| } |
| |
| void finishTopRunningActivityLocked(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.finishTopRunningActivityLocked(app, reason); |
| } |
| } |
| } |
| |
| 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) { |
| 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.mResizeable && options != null) { |
| if (canUseActivityOptionsLaunchBounds(options)) { |
| Rect bounds = options.getLaunchBounds(); |
| task.updateOverrideConfiguration(bounds); |
| final int stackId = task.getLaunchStackId(); |
| if (stackId != task.stack.mStackId) { |
| moveTaskToStackUncheckedLocked(task, stackId, ON_TOP, !FORCE_FOCUS, reason); |
| // moveTaskToStackUncheckedLocked() should already placed the task on top, |
| // still need moveTaskToFrontLocked() below for any transition settings. |
| } |
| // 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, bounds, 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); |
| } |
| |
| private boolean canUseActivityOptionsLaunchBounds(ActivityOptions options) { |
| // We use the launch bounds in the activity options is the device supports freeform |
| // window management. |
| return options.hasLaunchBounds() && 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, boolean preserveWindows, |
| boolean allowResizeInDockedMode) { |
| final ActivityStack stack = getStack(stackId); |
| if (stack == null) { |
| Slog.w(TAG, "resizeStack: stackId " + stackId + " not found."); |
| return; |
| } |
| |
| if (!allowResizeInDockedMode |
| && stackId != DOCKED_STACK_ID && 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 { |
| ActivityRecord r = stack.topRunningActivityLocked(); |
| |
| mTmpBounds.clear(); |
| mTmpConfigs.clear(); |
| ArrayList<TaskRecord> tasks = stack.getAllTasks(); |
| for (int i = tasks.size() - 1; i >= 0; i--) { |
| TaskRecord task = tasks.get(i); |
| if (task.mResizeable) { |
| 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(bounds); |
| } |
| } |
| |
| mTmpConfigs.put(task.taskId, task.mOverrideConfig); |
| mTmpBounds.put(task.taskId, task.mBounds); |
| } |
| stack.mFullscreen = mWindowManager.resizeStack(stackId, bounds, mTmpConfigs, mTmpBounds); |
| if (stack.mStackId == DOCKED_STACK_ID) { |
| // Dock stack funness...Yay! |
| if (stack.mFullscreen) { |
| // The dock stack went fullscreen which is kinda like dismissing it. |
| // 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, preserveWindows, true); |
| } |
| } |
| |
| 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); |
| |
| for (int i = FIRST_STATIC_STACK_ID; i <= LAST_STATIC_STACK_ID; i++) { |
| if (StackId.isResizeableByDockedStack(i)) { |
| ActivityStack otherStack = getStack(i); |
| if (otherStack != null) { |
| resizeStackLocked(i, tempRect, PRESERVE_WINDOWS, true); |
| } |
| } |
| } |
| } |
| // Since we are resizing the stack, all other operations should strive to preserve |
| // windows. |
| preserveWindows = true; |
| } |
| stack.setBounds(bounds); |
| |
| if (r != null) { |
| final boolean updated = stack.ensureActivityConfigurationLocked(r, 0, preserveWindows); |
| // And we need to make sure at this point that all other activities |
| // are made visible with the correct configuration. |
| ensureActivitiesVisibleLocked(r, 0, preserveWindows); |
| if (!updated) { |
| resumeTopActivitiesLocked(stack, null, null); |
| } |
| } |
| } finally { |
| mWindowManager.continueSurfaceLayout(); |
| Trace.traceEnd(TRACE_TAG_ACTIVITY_MANAGER); |
| } |
| } |
| |
| void resizeTaskLocked(TaskRecord task, Rect bounds, int resizeMode, boolean preserveWindow) { |
| if (!task.mResizeable) { |
| Slog.w(TAG, "resizeTask: task " + task + " not resizeable."); |
| return; |
| } |
| |
| adjustForMinimalTaskDimensions(task, bounds); |
| |
| // 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 (task.mBounds != null && task.mBounds.equals(bounds) && !forced) { |
| // Nothing to do here... |
| return; |
| } |
| |
| 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; |
| } |
| |
| // 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) { |
| ActivityRecord r = task.topRunningActivityLocked(); |
| if (r != null) { |
| final ActivityStack stack = task.stack; |
| kept = stack.ensureActivityConfigurationLocked(r, 0, preserveWindow); |
| // All other activities must be made visible with their correct configuration. |
| ensureActivitiesVisibleLocked(r, 0, !PRESERVE_WINDOWS); |
| if (!kept) { |
| resumeTopActivitiesLocked(stack, null, null); |
| } |
| } |
| } |
| mWindowManager.resizeTask(task.taskId, bounds, task.mOverrideConfig, kept, forced); |
| |
| Trace.traceEnd(TRACE_TAG_ACTIVITY_MANAGER); |
| } |
| |
| private void adjustForMinimalTaskDimensions(TaskRecord task, Rect bounds) { |
| if (bounds == null) { |
| return; |
| } |
| int minimalSize = task.mMinimalSize == -1 ? mDefaultMinimalSizeOfResizeableTask |
| : task.mMinimalSize; |
| final boolean adjustWidth = minimalSize > bounds.width(); |
| final boolean adjustHeight = minimalSize > bounds.height(); |
| if (!(adjustWidth || adjustHeight)) { |
| return; |
| } |
| Rect taskBounds = task.mBounds; |
| if (adjustWidth) { |
| if (taskBounds != null && bounds.right == taskBounds.right) { |
| bounds.left = bounds.right - minimalSize; |
| } else { |
| // Either left bounds match, or neither match, or the previous bounds were |
| // fullscreen and we default to keeping left. |
| bounds.right = bounds.left + minimalSize; |
| } |
| } |
| if (adjustHeight) { |
| if (taskBounds != null && bounds.bottom == taskBounds.bottom) { |
| bounds.top = bounds.bottom - minimalSize; |
| } else { |
| // Either top bounds match, or neither match, or the previous bounds were |
| // fullscreen and we default to keeping top. |
| bounds.bottom = bounds.top + minimalSize; |
| } |
| } |
| } |
| |
| 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(); |
| } |
| 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, false); |
| 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) { |
| final ActivityRecord r = task.getTopActivity(); |
| final boolean wasFocused = isFocusedStack(task.stack) && (topRunningActivityLocked() == r); |
| final boolean wasResumed = wasFocused && (task.stack.mResumedActivity == r); |
| |
| final boolean resizeable = task.mResizeable; |
| // 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.mResizeable = false; |
| final ActivityStack stack = getStack(stackId, CREATE_IF_NEEDED, toTop); |
| task.mResizeable = resizeable; |
| mWindowManager.moveTaskToStack(task.taskId, stack.mStackId, toTop); |
| if (task.stack != null) { |
| task.stack.removeTask(task, reason, MOVING); |
| } |
| stack.addTask(task, toTop, MOVING); |
| |
| // If the task had focus before (or we're requested to move focus), |
| // move focus to the new stack. |
| stack.setFocusAndResumeStateIfNeeded( |
| r, forceFocus || wasFocused, wasResumed, reason); |
| |
| return stack; |
| } |
| |
| void moveTaskToStackLocked(int taskId, int stackId, boolean toTop, boolean forceFocus, |
| String reason, boolean animate) { |
| final TaskRecord task = anyTaskForIdLocked(taskId); |
| if (task == null) { |
| Slog.w(TAG, "moveTaskToStack: no task for id=" + taskId); |
| return; |
| } |
| |
| 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; |
| } |
| |
| final ActivityRecord topActivity = task.getTopActivity(); |
| if (StackId.preserveWindowOnTaskMove(stackId) && topActivity != null) { |
| // 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. |
| mWindowManager.setReplacingWindow(topActivity.appToken, animate); |
| } |
| final ActivityStack stack = moveTaskToStackUncheckedLocked( |
| task, stackId, toTop, forceFocus, "moveTaskToStack:" + reason); |
| |
| if (!animate) { |
| stack.mNoAnimActivities.add(topActivity); |
| } |
| |
| // Make sure the task has the appropriate bounds/size for the stack it is in. |
| if (stackId == FULLSCREEN_WORKSPACE_STACK_ID && task.mBounds != null) { |
| resizeTaskLocked(task, stack.mBounds, RESIZE_MODE_SYSTEM, !PRESERVE_WINDOWS); |
| } else if (stackId == FREEFORM_WORKSPACE_STACK_ID |
| && task.mBounds == null && task.mLastNonFullscreenBounds != null) { |
| resizeTaskLocked(task, task.mLastNonFullscreenBounds, |
| RESIZE_MODE_SYSTEM, !PRESERVE_WINDOWS); |
| } else if (stackId == DOCKED_STACK_ID || stackId == PINNED_STACK_ID) { |
| resizeTaskLocked(task, stack.mBounds, RESIZE_MODE_SYSTEM, !PRESERVE_WINDOWS); |
| } |
| |
| // 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); |
| resumeTopActivitiesLocked(); |
| |
| if (!task.mResizeable && isStackDockedInEffect(stackId)) { |
| showNonResizeableDockToast(taskId); |
| } |
| } |
| |
| 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 (!r.info.supportsPip) { |
| Slog.w(TAG, |
| "moveTopStackActivityToPinnedStackLocked: Picture-In-Picture not supported for " |
| + " r=" + r); |
| return false; |
| } |
| |
| final TaskRecord task = r.task; |
| if (task.mActivities.size() == 1) { |
| // There is only one activity in the task. So, we can just move the task over to the |
| // pinned stack without re-parenting the activity in a different task. |
| moveTaskToStackLocked(task.taskId, PINNED_STACK_ID, ON_TOP, FORCE_FOCUS, |
| "moveTopActivityToPinnedStack", true /* animate */); |
| } else { |
| final ActivityStack pinnedStack = getStack(PINNED_STACK_ID, CREATE_IF_NEEDED, ON_TOP); |
| pinnedStack.moveActivityToStack(r); |
| } |
| |
| resizeStackLocked(PINNED_STACK_ID, bounds, !PRESERVE_WINDOWS, true); |
| |
| // 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); |
| resumeTopActivitiesLocked(); |
| return true; |
| } |
| |
| 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); |
| final boolean stackChanged = task.stack != null && task.stack != stack; |
| if (stackChanged) { |
| task.stack.removeTask(task, "moveTaskToStack", MOVING); |
| } |
| stack.positionTask(task, position, stackChanged); |
| // The task might have already been running and its visibility needs to be synchronized with |
| // the visibility of the stack / windows. |
| stack.ensureActivitiesVisibleLocked(null, 0, !PRESERVE_WINDOWS); |
| resumeTopActivitiesLocked(); |
| } |
| |
| ActivityRecord findTaskLocked(ActivityRecord r) { |
| 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; |
| } |
| final ActivityRecord ar = stack.findTaskLocked(r); |
| if (ar != null) { |
| return ar; |
| } |
| } |
| } |
| if (DEBUG_TASKS) Slog.d(TAG_TASKS, "No task found"); |
| return null; |
| } |
| |
| 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)) { |
| resumeTopActivitiesLocked(); |
| } |
| } |
| } |
| 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) { |
| // Make the activity immediately above r opaque. |
| final ActivityRecord next = stack.findNextTranslucentActivity(r); |
| if (next != null) { |
| 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) { |
| r.mLaunchTaskBehind = false; |
| final TaskRecord task = r.task; |
| task.setLastThumbnailLocked(task.stack.screenshotActivitiesLocked(r)); |
| mRecentTasks.addLocked(task); |
| mService.notifyTaskStackChangedLocked(); |
| mWindowManager.setAppVisibility(r.appToken, false); |
| } |
| |
| 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; |
| } |
| |
| /** |
| * Add background users to send boot completed events to. |
| * @param userId The user being started in the background |
| * @param uss The state object for the user. |
| */ |
| public void startBackgroundUserLocked(int userId, UserState uss) { |
| mStartingBackgroundUsers.add(uss); |
| } |
| |
| /** 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_ALL) 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_ALL) Slog.v(TAG, "Before stopping, can hide: " + s); |
| mWindowManager.setAppVisibility(s.appToken, false); |
| } |
| } |
| if ((!waitingVisible || mService.isSleepingOrShuttingDown()) && remove) { |
| if (DEBUG_ALL) 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("mCurTaskId=" + mCurTaskId); |
| 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) { |
| if (display.mDisplayId != Display.DEFAULT_DISPLAY) { |
| return; |
| } |
| final float fraction = mService.mContext.getResources().getFraction(com.android.internal.R. |
| fraction.config_displayFractionForDefaultMinimalSizeOfResizeableTask, 1, 1); |
| mDefaultMinimalSizeOfResizeableTask = (int) (fraction * Math.min( |
| display.mDisplayInfo.logicalWidth, display.mDisplayInfo.logicalHeight)); |
| } |
| |
| 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); |
| } |
| } |
| |
| private void showNonResizeableDockToast(int taskId) { |
| mWindowManager.scheduleShowNonResizeableDockToast(taskId); |
| } |
| |
| 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(); |
| resumeTopActivitiesLocked(); |
| 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); |
| resumeTopActivitiesLocked(); |
| } |
| } |
| |
| 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) { |
| resumeTopActivitiesLocked(); |
| } |
| } |
| |
| int getLockTaskModeState() { |
| return mLockTaskModeState; |
| } |
| |
| 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 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) { |
| resumeTopActivitiesLocked(); |
| } |
| } 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 = Intent.FLAG_ACTIVITY_NEW_TASK | |
| Intent.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); |
| 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) { |
| mService.enforceNotIsolatedCaller("ActivityContainer.startActivity"); |
| final int userId = mService.mUserController.handleIncomingUser(Binder.getCallingPid(), |
| Binder.getCallingUid(), mCurrentUser, false, |
| ActivityManagerService.ALLOW_FULL_ONLY, "ActivityContainer", null); |
| |
| // TODO: Switch to user app stacks here. |
| String mimeType = intent.getType(); |
| final Uri data = intent.getData(); |
| if (mimeType == null && data != null && "content".equals(data.getScheme())) { |
| mimeType = mService.getProviderMimeType(data, userId); |
| } |
| checkEmbeddedAllowedInner(userId, intent, mimeType); |
| |
| intent.addFlags(FORCE_NEW_TASK_FLAGS); |
| return startActivityMayWait(null, -1, null, intent, mimeType, null, null, null, null, |
| 0, 0, null, null, null, null, false, userId, this, null); |
| } |
| |
| @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); |
| } |
| |
| private 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) { |
| mStack.resumeTopActivityLocked(null); |
| } 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<ActivityStack>(); |
| |
| 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; |
| } |
| } |
| |
| } |