| /* |
| * Copyright (C) 2006 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.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.PINNED_STACK_ID; |
| import static android.content.Intent.FLAG_ACTIVITY_NEW_DOCUMENT; |
| import static android.content.Intent.FLAG_ACTIVITY_RETAIN_IN_RECENTS; |
| import static android.content.pm.ActivityInfo.LOCK_TASK_LAUNCH_MODE_ALWAYS; |
| import static android.content.pm.ActivityInfo.LOCK_TASK_LAUNCH_MODE_DEFAULT; |
| import static android.content.pm.ActivityInfo.LOCK_TASK_LAUNCH_MODE_IF_WHITELISTED; |
| import static android.content.pm.ActivityInfo.LOCK_TASK_LAUNCH_MODE_NEVER; |
| import static android.content.pm.ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; |
| import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_ADD_REMOVE; |
| import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_LOCKTASK; |
| import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_RECENTS; |
| import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_TASKS; |
| import static com.android.server.am.ActivityManagerDebugConfig.POSTFIX_ADD_REMOVE; |
| import static com.android.server.am.ActivityManagerDebugConfig.POSTFIX_LOCKTASK; |
| import static com.android.server.am.ActivityManagerDebugConfig.POSTFIX_RECENTS; |
| import static com.android.server.am.ActivityManagerDebugConfig.POSTFIX_TASKS; |
| import static com.android.server.am.ActivityManagerDebugConfig.TAG_AM; |
| import static com.android.server.am.ActivityManagerDebugConfig.TAG_WITH_CLASS_NAME; |
| import static com.android.server.am.ActivityManagerService.LOCK_SCREEN_SHOWN; |
| import static com.android.server.am.ActivityRecord.APPLICATION_ACTIVITY_TYPE; |
| import static com.android.server.am.ActivityRecord.HOME_ACTIVITY_TYPE; |
| import static com.android.server.am.ActivityRecord.RECENTS_ACTIVITY_TYPE; |
| |
| import android.app.Activity; |
| import android.app.ActivityManager; |
| import android.app.ActivityManager.StackId; |
| import android.app.ActivityManager.TaskDescription; |
| import android.app.ActivityManager.TaskThumbnail; |
| import android.app.ActivityManager.TaskThumbnailInfo; |
| import android.app.ActivityOptions; |
| import android.app.AppGlobals; |
| import android.content.ComponentName; |
| import android.content.Intent; |
| import android.content.pm.ActivityInfo; |
| import android.content.pm.ApplicationInfo; |
| import android.content.pm.IPackageManager; |
| import android.content.pm.PackageManager; |
| import android.content.res.Configuration; |
| import android.graphics.Bitmap; |
| import android.graphics.Point; |
| import android.graphics.Rect; |
| import android.os.Debug; |
| import android.os.ParcelFileDescriptor; |
| import android.os.RemoteException; |
| import android.os.UserHandle; |
| import android.service.voice.IVoiceInteractionSession; |
| import android.util.DisplayMetrics; |
| import android.util.Slog; |
| |
| import com.android.internal.app.IVoiceInteractor; |
| import com.android.internal.util.XmlUtils; |
| |
| import org.xmlpull.v1.XmlPullParser; |
| import org.xmlpull.v1.XmlPullParserException; |
| import org.xmlpull.v1.XmlSerializer; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.io.PrintWriter; |
| import java.util.ArrayList; |
| import java.util.Objects; |
| |
| final class TaskRecord { |
| private static final String TAG = TAG_WITH_CLASS_NAME ? "TaskRecord" : TAG_AM; |
| private static final String TAG_ADD_REMOVE = TAG + POSTFIX_ADD_REMOVE; |
| private static final String TAG_RECENTS = TAG + POSTFIX_RECENTS; |
| private static final String TAG_LOCKTASK = TAG + POSTFIX_LOCKTASK; |
| private static final String TAG_TASKS = TAG + POSTFIX_TASKS; |
| |
| static final String ATTR_TASKID = "task_id"; |
| private static final String TAG_INTENT = "intent"; |
| private static final String TAG_AFFINITYINTENT = "affinity_intent"; |
| static final String ATTR_REALACTIVITY = "real_activity"; |
| private static final String ATTR_ORIGACTIVITY = "orig_activity"; |
| private static final String TAG_ACTIVITY = "activity"; |
| private static final String ATTR_AFFINITY = "affinity"; |
| private static final String ATTR_ROOT_AFFINITY = "root_affinity"; |
| private static final String ATTR_ROOTHASRESET = "root_has_reset"; |
| private static final String ATTR_AUTOREMOVERECENTS = "auto_remove_recents"; |
| private static final String ATTR_ASKEDCOMPATMODE = "asked_compat_mode"; |
| private static final String ATTR_USERID = "user_id"; |
| private static final String ATTR_EFFECTIVE_UID = "effective_uid"; |
| private static final String ATTR_TASKTYPE = "task_type"; |
| private static final String ATTR_FIRSTACTIVETIME = "first_active_time"; |
| private static final String ATTR_LASTACTIVETIME = "last_active_time"; |
| private static final String ATTR_LASTDESCRIPTION = "last_description"; |
| private static final String ATTR_LASTTIMEMOVED = "last_time_moved"; |
| private static final String ATTR_NEVERRELINQUISH = "never_relinquish_identity"; |
| static final String ATTR_TASK_AFFILIATION = "task_affiliation"; |
| private static final String ATTR_PREV_AFFILIATION = "prev_affiliation"; |
| private static final String ATTR_NEXT_AFFILIATION = "next_affiliation"; |
| private static final String ATTR_TASK_AFFILIATION_COLOR = "task_affiliation_color"; |
| private static final String ATTR_CALLING_UID = "calling_uid"; |
| private static final String ATTR_CALLING_PACKAGE = "calling_package"; |
| private static final String ATTR_RESIZEABLE = "resizeable"; |
| private static final String ATTR_PRIVILEGED = "privileged"; |
| private static final String ATTR_NON_FULLSCREEN_BOUNDS = "non_fullscreen_bounds"; |
| |
| private static final String TASK_THUMBNAIL_SUFFIX = "_task_thumbnail"; |
| |
| static final boolean IGNORE_RETURN_TO_RECENTS = true; |
| |
| static final int INVALID_TASK_ID = -1; |
| |
| final int taskId; // Unique identifier for this task. |
| String affinity; // The affinity name for this task, or null; may change identity. |
| String rootAffinity; // Initial base affinity, or null; does not change from initial root. |
| final IVoiceInteractionSession voiceSession; // Voice interaction session driving task |
| final IVoiceInteractor voiceInteractor; // Associated interactor to provide to app |
| Intent intent; // The original intent that started the task. |
| Intent affinityIntent; // Intent of affinity-moved activity that started this task. |
| int effectiveUid; // The current effective uid of the identity of this task. |
| ComponentName origActivity; // The non-alias activity component of the intent. |
| ComponentName realActivity; // The actual activity component that started the task. |
| long firstActiveTime; // First time this task was active. |
| long lastActiveTime; // Last time this task was active, including sleep. |
| boolean inRecents; // Actually in the recents list? |
| boolean isAvailable; // Is the activity available to be launched? |
| boolean rootWasReset; // True if the intent at the root of the task had |
| // the FLAG_ACTIVITY_RESET_TASK_IF_NEEDED flag. |
| boolean autoRemoveRecents; // If true, we should automatically remove the task from |
| // recents when activity finishes |
| boolean askedCompatMode;// Have asked the user about compat mode for this task. |
| boolean hasBeenVisible; // Set if any activities in the task have been visible to the user. |
| |
| String stringName; // caching of toString() result. |
| int userId; // user for which this task was created |
| |
| int numFullscreen; // Number of fullscreen activities. |
| |
| boolean mResizeable; // Activities in the task resizeable. Based on the resizable setting of |
| // the root activity. |
| int mLockTaskMode; // Which tasklock mode to launch this task in. One of |
| // ActivityManager.LOCK_TASK_LAUNCH_MODE_* |
| private boolean mPrivileged; // The root activity application of this task holds |
| // privileged permissions. |
| |
| /** Can't be put in lockTask mode. */ |
| final static int LOCK_TASK_AUTH_DONT_LOCK = 0; |
| /** Can enter app pinning with user approval. Can never start over existing lockTask task. */ |
| final static int LOCK_TASK_AUTH_PINNABLE = 1; |
| /** Starts in LOCK_TASK_MODE_LOCKED automatically. Can start over existing lockTask task. */ |
| final static int LOCK_TASK_AUTH_LAUNCHABLE = 2; |
| /** Can enter lockTask without user approval. Can start over existing lockTask task. */ |
| final static int LOCK_TASK_AUTH_WHITELISTED = 3; |
| /** Priv-app that starts in LOCK_TASK_MODE_LOCKED automatically. Can start over existing |
| * lockTask task. */ |
| final static int LOCK_TASK_AUTH_LAUNCHABLE_PRIV = 4; |
| int mLockTaskAuth = LOCK_TASK_AUTH_PINNABLE; |
| |
| int mLockTaskUid = -1; // The uid of the application that called startLockTask(). |
| |
| // This represents the last resolved activity values for this task |
| // NOTE: This value needs to be persisted with each task |
| TaskDescription lastTaskDescription = new TaskDescription(); |
| |
| /** List of all activities in the task arranged in history order */ |
| final ArrayList<ActivityRecord> mActivities; |
| |
| /** Current stack */ |
| ActivityStack stack; |
| |
| /** Takes on same set of values as ActivityRecord.mActivityType */ |
| int taskType; |
| |
| /** Takes on same value as first root activity */ |
| boolean isPersistable = false; |
| int maxRecents; |
| |
| /** Only used for persistable tasks, otherwise 0. The last time this task was moved. Used for |
| * determining the order when restoring. Sign indicates whether last task movement was to front |
| * (positive) or back (negative). Absolute value indicates time. */ |
| long mLastTimeMoved = System.currentTimeMillis(); |
| |
| /** Indication of what to run next when task exits. Use ActivityRecord types. |
| * ActivityRecord.APPLICATION_ACTIVITY_TYPE indicates to resume the task below this one in the |
| * task stack. */ |
| private int mTaskToReturnTo = APPLICATION_ACTIVITY_TYPE; |
| |
| /** If original intent did not allow relinquishing task identity, save that information */ |
| boolean mNeverRelinquishIdentity = true; |
| |
| // Used in the unique case where we are clearing the task in order to reuse it. In that case we |
| // do not want to delete the stack when the task goes empty. |
| boolean mReuseTask = false; |
| |
| private Bitmap mLastThumbnail; // Last thumbnail captured for this item. |
| private final File mLastThumbnailFile; // File containing last thumbnail. |
| private final String mFilename; |
| private TaskThumbnailInfo mLastThumbnailInfo; |
| CharSequence lastDescription; // Last description captured for this item. |
| |
| int mAffiliatedTaskId; // taskId of parent affiliation or self if no parent. |
| int mAffiliatedTaskColor; // color of the parent task affiliation. |
| TaskRecord mPrevAffiliate; // previous task in affiliated chain. |
| int mPrevAffiliateTaskId = INVALID_TASK_ID; // previous id for persistence. |
| TaskRecord mNextAffiliate; // next task in affiliated chain. |
| int mNextAffiliateTaskId = INVALID_TASK_ID; // next id for persistence. |
| |
| // For relaunching the task from recents as though it was launched by the original launcher. |
| int mCallingUid; |
| String mCallingPackage; |
| |
| final ActivityManagerService mService; |
| |
| // Whether or not this task covers the entire screen; by default tasks are fullscreen. |
| boolean mFullscreen = true; |
| |
| // Bounds of the Task. null for fullscreen tasks. |
| Rect mBounds = null; |
| // Last non-fullscreen bounds the task was launched in or resized to. |
| // The information is persisted and used to determine the appropriate stack to launch the |
| // task into on restore. |
| Rect mLastNonFullscreenBounds = null; |
| // Minimal size for width/height of this task when it's resizeable. -1 means it should use the |
| // default minimal size. |
| final int mMinimalSize; |
| |
| // Ranking (from top) of this task among all visible tasks. (-1 means it's not visible) |
| // This number will be assigned when we evaluate OOM scores for all visible tasks. |
| int mLayerRank = -1; |
| |
| Configuration mOverrideConfig = Configuration.EMPTY; |
| |
| TaskRecord(ActivityManagerService service, int _taskId, ActivityInfo info, Intent _intent, |
| IVoiceInteractionSession _voiceSession, IVoiceInteractor _voiceInteractor) { |
| mService = service; |
| mFilename = String.valueOf(_taskId) + TASK_THUMBNAIL_SUFFIX + |
| TaskPersister.IMAGE_EXTENSION; |
| userId = UserHandle.getUserId(info.applicationInfo.uid); |
| mLastThumbnailFile = new File(TaskPersister.getUserImagesDir(userId), mFilename); |
| mLastThumbnailInfo = new TaskThumbnailInfo(); |
| taskId = _taskId; |
| mAffiliatedTaskId = _taskId; |
| voiceSession = _voiceSession; |
| voiceInteractor = _voiceInteractor; |
| isAvailable = true; |
| mActivities = new ArrayList<>(); |
| mCallingUid = info.applicationInfo.uid; |
| mCallingPackage = info.packageName; |
| setIntent(_intent, info); |
| mMinimalSize = info != null && info.layout != null ? info.layout.minimalSize : -1; |
| } |
| |
| TaskRecord(ActivityManagerService service, int _taskId, ActivityInfo info, Intent _intent, |
| TaskDescription _taskDescription, TaskThumbnailInfo thumbnailInfo) { |
| mService = service; |
| mFilename = String.valueOf(_taskId) + TASK_THUMBNAIL_SUFFIX + |
| TaskPersister.IMAGE_EXTENSION; |
| userId = UserHandle.getUserId(info.applicationInfo.uid); |
| mLastThumbnailFile = new File(TaskPersister.getUserImagesDir(userId), mFilename); |
| mLastThumbnailInfo = thumbnailInfo; |
| taskId = _taskId; |
| mAffiliatedTaskId = _taskId; |
| voiceSession = null; |
| voiceInteractor = null; |
| isAvailable = true; |
| mActivities = new ArrayList<>(); |
| mCallingUid = info.applicationInfo.uid; |
| mCallingPackage = info.packageName; |
| setIntent(_intent, info); |
| |
| taskType = ActivityRecord.APPLICATION_ACTIVITY_TYPE; |
| isPersistable = true; |
| // Clamp to [1, max]. |
| maxRecents = Math.min(Math.max(info.maxRecents, 1), |
| ActivityManager.getMaxAppRecentsLimitStatic()); |
| |
| taskType = APPLICATION_ACTIVITY_TYPE; |
| mTaskToReturnTo = HOME_ACTIVITY_TYPE; |
| lastTaskDescription = _taskDescription; |
| mMinimalSize = info != null && info.layout != null ? info.layout.minimalSize : -1; |
| } |
| |
| private TaskRecord(ActivityManagerService service, int _taskId, Intent _intent, |
| Intent _affinityIntent, String _affinity, String _rootAffinity, |
| ComponentName _realActivity, ComponentName _origActivity, boolean _rootWasReset, |
| boolean _autoRemoveRecents, boolean _askedCompatMode, int _taskType, int _userId, |
| int _effectiveUid, String _lastDescription, ArrayList<ActivityRecord> activities, |
| long _firstActiveTime, long _lastActiveTime, long lastTimeMoved, |
| boolean neverRelinquishIdentity, TaskDescription _lastTaskDescription, |
| TaskThumbnailInfo lastThumbnailInfo, int taskAffiliation, int prevTaskId, |
| int nextTaskId, int taskAffiliationColor, int callingUid, String callingPackage, |
| boolean resizeable, boolean privileged) { |
| mService = service; |
| mFilename = String.valueOf(_taskId) + TASK_THUMBNAIL_SUFFIX + |
| TaskPersister.IMAGE_EXTENSION; |
| mLastThumbnailFile = new File(TaskPersister.getUserImagesDir(_userId), mFilename); |
| mLastThumbnailInfo = lastThumbnailInfo; |
| taskId = _taskId; |
| intent = _intent; |
| affinityIntent = _affinityIntent; |
| affinity = _affinity; |
| rootAffinity = _rootAffinity; |
| voiceSession = null; |
| voiceInteractor = null; |
| realActivity = _realActivity; |
| origActivity = _origActivity; |
| rootWasReset = _rootWasReset; |
| isAvailable = true; |
| autoRemoveRecents = _autoRemoveRecents; |
| askedCompatMode = _askedCompatMode; |
| taskType = _taskType; |
| mTaskToReturnTo = HOME_ACTIVITY_TYPE; |
| userId = _userId; |
| effectiveUid = _effectiveUid; |
| firstActiveTime = _firstActiveTime; |
| lastActiveTime = _lastActiveTime; |
| lastDescription = _lastDescription; |
| mActivities = activities; |
| mLastTimeMoved = lastTimeMoved; |
| mNeverRelinquishIdentity = neverRelinquishIdentity; |
| lastTaskDescription = _lastTaskDescription; |
| mAffiliatedTaskId = taskAffiliation; |
| mAffiliatedTaskColor = taskAffiliationColor; |
| mPrevAffiliateTaskId = prevTaskId; |
| mNextAffiliateTaskId = nextTaskId; |
| mCallingUid = callingUid; |
| mCallingPackage = callingPackage; |
| mResizeable = resizeable || mService.mForceResizableActivities; |
| mPrivileged = privileged; |
| ActivityInfo info = (mActivities.size() > 0) ? mActivities.get(0).info : null; |
| mMinimalSize = info != null && info.layout != null ? info.layout.minimalSize : -1; |
| } |
| |
| void touchActiveTime() { |
| lastActiveTime = System.currentTimeMillis(); |
| if (firstActiveTime == 0) { |
| firstActiveTime = lastActiveTime; |
| } |
| } |
| |
| long getInactiveDuration() { |
| return System.currentTimeMillis() - lastActiveTime; |
| } |
| |
| /** Sets the original intent, and the calling uid and package. */ |
| void setIntent(ActivityRecord r) { |
| mCallingUid = r.launchedFromUid; |
| mCallingPackage = r.launchedFromPackage; |
| setIntent(r.intent, r.info); |
| } |
| |
| /** Sets the original intent, _without_ updating the calling uid or package. */ |
| private void setIntent(Intent _intent, ActivityInfo info) { |
| if (intent == null) { |
| mNeverRelinquishIdentity = |
| (info.flags & ActivityInfo.FLAG_RELINQUISH_TASK_IDENTITY) == 0; |
| } else if (mNeverRelinquishIdentity) { |
| return; |
| } |
| |
| affinity = info.taskAffinity; |
| if (intent == null) { |
| // If this task already has an intent associated with it, don't set the root |
| // affinity -- we don't want it changing after initially set, but the initially |
| // set value may be null. |
| rootAffinity = affinity; |
| } |
| effectiveUid = info.applicationInfo.uid; |
| stringName = null; |
| |
| if (info.targetActivity == null) { |
| if (_intent != null) { |
| // If this Intent has a selector, we want to clear it for the |
| // recent task since it is not relevant if the user later wants |
| // to re-launch the app. |
| if (_intent.getSelector() != null || _intent.getSourceBounds() != null) { |
| _intent = new Intent(_intent); |
| _intent.setSelector(null); |
| _intent.setSourceBounds(null); |
| } |
| } |
| if (DEBUG_TASKS) Slog.v(TAG_TASKS, "Setting Intent of " + this + " to " + _intent); |
| intent = _intent; |
| realActivity = _intent != null ? _intent.getComponent() : null; |
| origActivity = null; |
| } else { |
| ComponentName targetComponent = new ComponentName( |
| info.packageName, info.targetActivity); |
| if (_intent != null) { |
| Intent targetIntent = new Intent(_intent); |
| targetIntent.setComponent(targetComponent); |
| targetIntent.setSelector(null); |
| targetIntent.setSourceBounds(null); |
| if (DEBUG_TASKS) Slog.v(TAG_TASKS, |
| "Setting Intent of " + this + " to target " + targetIntent); |
| intent = targetIntent; |
| realActivity = targetComponent; |
| origActivity = _intent.getComponent(); |
| } else { |
| intent = null; |
| realActivity = targetComponent; |
| origActivity = new ComponentName(info.packageName, info.name); |
| } |
| } |
| |
| final int intentFlags = intent == null ? 0 : intent.getFlags(); |
| if ((intentFlags & Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED) != 0) { |
| // Once we are set to an Intent with this flag, we count this |
| // task as having a true root activity. |
| rootWasReset = true; |
| } |
| |
| userId = UserHandle.getUserId(info.applicationInfo.uid); |
| if ((info.flags & ActivityInfo.FLAG_AUTO_REMOVE_FROM_RECENTS) != 0) { |
| // If the activity itself has requested auto-remove, then just always do it. |
| autoRemoveRecents = true; |
| } else if ((intentFlags & (FLAG_ACTIVITY_NEW_DOCUMENT | FLAG_ACTIVITY_RETAIN_IN_RECENTS)) |
| == FLAG_ACTIVITY_NEW_DOCUMENT) { |
| // If the caller has not asked for the document to be retained, then we may |
| // want to turn on auto-remove, depending on whether the target has set its |
| // own document launch mode. |
| if (info.documentLaunchMode != ActivityInfo.DOCUMENT_LAUNCH_NONE) { |
| autoRemoveRecents = false; |
| } else { |
| autoRemoveRecents = true; |
| } |
| } else { |
| autoRemoveRecents = false; |
| } |
| mResizeable = info.resizeable || mService.mForceResizableActivities; |
| mLockTaskMode = info.lockTaskLaunchMode; |
| mPrivileged = (info.applicationInfo.privateFlags & PRIVATE_FLAG_PRIVILEGED) != 0; |
| setLockTaskAuth(); |
| } |
| |
| void setTaskToReturnTo(int taskToReturnTo) { |
| mTaskToReturnTo = (IGNORE_RETURN_TO_RECENTS && taskToReturnTo == RECENTS_ACTIVITY_TYPE) |
| ? HOME_ACTIVITY_TYPE : taskToReturnTo; |
| } |
| |
| int getTaskToReturnTo() { |
| return mTaskToReturnTo; |
| } |
| |
| void setPrevAffiliate(TaskRecord prevAffiliate) { |
| mPrevAffiliate = prevAffiliate; |
| mPrevAffiliateTaskId = prevAffiliate == null ? INVALID_TASK_ID : prevAffiliate.taskId; |
| } |
| |
| void setNextAffiliate(TaskRecord nextAffiliate) { |
| mNextAffiliate = nextAffiliate; |
| mNextAffiliateTaskId = nextAffiliate == null ? INVALID_TASK_ID : nextAffiliate.taskId; |
| } |
| |
| // Close up recents linked list. |
| void closeRecentsChain() { |
| if (mPrevAffiliate != null) { |
| mPrevAffiliate.setNextAffiliate(mNextAffiliate); |
| } |
| if (mNextAffiliate != null) { |
| mNextAffiliate.setPrevAffiliate(mPrevAffiliate); |
| } |
| setPrevAffiliate(null); |
| setNextAffiliate(null); |
| } |
| |
| void removedFromRecents() { |
| disposeThumbnail(); |
| closeRecentsChain(); |
| if (inRecents) { |
| inRecents = false; |
| mService.notifyTaskPersisterLocked(this, false); |
| } |
| } |
| |
| void setTaskToAffiliateWith(TaskRecord taskToAffiliateWith) { |
| closeRecentsChain(); |
| mAffiliatedTaskId = taskToAffiliateWith.mAffiliatedTaskId; |
| mAffiliatedTaskColor = taskToAffiliateWith.mAffiliatedTaskColor; |
| // Find the end |
| while (taskToAffiliateWith.mNextAffiliate != null) { |
| final TaskRecord nextRecents = taskToAffiliateWith.mNextAffiliate; |
| if (nextRecents.mAffiliatedTaskId != mAffiliatedTaskId) { |
| Slog.e(TAG, "setTaskToAffiliateWith: nextRecents=" + nextRecents + " affilTaskId=" |
| + nextRecents.mAffiliatedTaskId + " should be " + mAffiliatedTaskId); |
| if (nextRecents.mPrevAffiliate == taskToAffiliateWith) { |
| nextRecents.setPrevAffiliate(null); |
| } |
| taskToAffiliateWith.setNextAffiliate(null); |
| break; |
| } |
| taskToAffiliateWith = nextRecents; |
| } |
| taskToAffiliateWith.setNextAffiliate(this); |
| setPrevAffiliate(taskToAffiliateWith); |
| setNextAffiliate(null); |
| } |
| |
| /** |
| * Sets the last thumbnail with the current task bounds and the system orientation. |
| * @return whether the thumbnail was set |
| */ |
| boolean setLastThumbnailLocked(Bitmap thumbnail) { |
| final Configuration serviceConfig = mService.mConfiguration; |
| int taskWidth = 0; |
| int taskHeight = 0; |
| if (mBounds != null) { |
| // Non-fullscreen tasks |
| taskWidth = mBounds.width(); |
| taskHeight = mBounds.height(); |
| } else if (stack != null) { |
| // Fullscreen tasks |
| final Point displaySize = new Point(); |
| stack.getDisplaySize(displaySize); |
| taskWidth = displaySize.x; |
| taskHeight = displaySize.y; |
| } else { |
| Slog.e(TAG, "setLastThumbnailLocked() called on Task without stack"); |
| } |
| return setLastThumbnailLocked(thumbnail, taskWidth, taskHeight, serviceConfig.orientation); |
| } |
| |
| /** |
| * Sets the last thumbnail with the current task bounds. |
| * @return whether the thumbnail was set |
| */ |
| private boolean setLastThumbnailLocked(Bitmap thumbnail, int taskWidth, int taskHeight, |
| int screenOrientation) { |
| if (mLastThumbnail != thumbnail) { |
| mLastThumbnail = thumbnail; |
| mLastThumbnailInfo.taskWidth = taskWidth; |
| mLastThumbnailInfo.taskHeight = taskHeight; |
| mLastThumbnailInfo.screenOrientation = screenOrientation; |
| if (thumbnail == null) { |
| if (mLastThumbnailFile != null) { |
| mLastThumbnailFile.delete(); |
| } |
| } else { |
| mService.mTaskPersister.saveImage(thumbnail, mLastThumbnailFile.getAbsolutePath()); |
| } |
| return true; |
| } |
| return false; |
| } |
| |
| void getLastThumbnail(TaskThumbnail thumbs) { |
| thumbs.mainThumbnail = mLastThumbnail; |
| thumbs.thumbnailInfo = mLastThumbnailInfo; |
| thumbs.thumbnailFileDescriptor = null; |
| if (mLastThumbnail == null) { |
| thumbs.mainThumbnail = mService.mTaskPersister.getImageFromWriteQueue( |
| mLastThumbnailFile.getAbsolutePath()); |
| } |
| // Only load the thumbnail file if we don't have a thumbnail |
| if (thumbs.mainThumbnail == null && mLastThumbnailFile.exists()) { |
| try { |
| thumbs.thumbnailFileDescriptor = ParcelFileDescriptor.open(mLastThumbnailFile, |
| ParcelFileDescriptor.MODE_READ_ONLY); |
| } catch (IOException e) { |
| } |
| } |
| } |
| |
| /** |
| * Removes in-memory thumbnail data when the max number of in-memory task thumbnails is reached. |
| */ |
| void freeLastThumbnail() { |
| mLastThumbnail = null; |
| } |
| |
| /** |
| * Removes all associated thumbnail data when a task is removed or pruned from recents. |
| */ |
| void disposeThumbnail() { |
| mLastThumbnailInfo.reset(); |
| mLastThumbnail = null; |
| lastDescription = null; |
| } |
| |
| /** Returns the intent for the root activity for this task */ |
| Intent getBaseIntent() { |
| return intent != null ? intent : affinityIntent; |
| } |
| |
| /** Returns the first non-finishing activity from the root. */ |
| ActivityRecord getRootActivity() { |
| for (int i = 0; i < mActivities.size(); i++) { |
| final ActivityRecord r = mActivities.get(i); |
| if (r.finishing) { |
| continue; |
| } |
| return r; |
| } |
| return null; |
| } |
| |
| ActivityRecord getTopActivity() { |
| for (int i = mActivities.size() - 1; i >= 0; --i) { |
| final ActivityRecord r = mActivities.get(i); |
| if (r.finishing) { |
| continue; |
| } |
| return r; |
| } |
| return null; |
| } |
| |
| ActivityRecord topRunningActivityLocked() { |
| if (stack != null) { |
| for (int activityNdx = mActivities.size() - 1; activityNdx >= 0; --activityNdx) { |
| ActivityRecord r = mActivities.get(activityNdx); |
| if (!r.finishing && stack.okToShowLocked(r)) { |
| return r; |
| } |
| } |
| } |
| return null; |
| } |
| |
| void setFrontOfTask() { |
| setFrontOfTask(null); |
| } |
| |
| /** Call after activity movement or finish to make sure that frontOfTask is set correctly */ |
| void setFrontOfTask(ActivityRecord newTop) { |
| // If a top candidate is suggested by the caller, go ahead and use it and mark all others |
| // as not front. This is needed in situations where the current front activity in the |
| // task isn't finished yet and we want to set the front to the activity moved to the front |
| // of the task. |
| boolean foundFront = newTop != null ? true : false; |
| |
| final int numActivities = mActivities.size(); |
| for (int activityNdx = 0; activityNdx < numActivities; ++activityNdx) { |
| final ActivityRecord r = mActivities.get(activityNdx); |
| if (foundFront || r.finishing) { |
| r.frontOfTask = false; |
| } else { |
| r.frontOfTask = true; |
| // Set frontOfTask false for every following activity. |
| foundFront = true; |
| } |
| } |
| if (!foundFront && numActivities > 0) { |
| // All activities of this task are finishing. As we ought to have a frontOfTask |
| // activity, make the bottom activity front. |
| mActivities.get(0).frontOfTask = true; |
| } |
| if (newTop != null) { |
| newTop.frontOfTask = true; |
| } |
| } |
| |
| /** |
| * Reorder the history stack so that the passed activity is brought to the front. |
| */ |
| final void moveActivityToFrontLocked(ActivityRecord newTop) { |
| if (DEBUG_ADD_REMOVE) Slog.i(TAG_ADD_REMOVE, |
| "Removing and adding activity " + newTop |
| + " to stack at top callers=" + Debug.getCallers(4)); |
| |
| mActivities.remove(newTop); |
| mActivities.add(newTop); |
| updateEffectiveIntent(); |
| |
| setFrontOfTask(newTop); |
| } |
| |
| void addActivityAtBottom(ActivityRecord r) { |
| addActivityAtIndex(0, r); |
| } |
| |
| void addActivityToTop(ActivityRecord r) { |
| addActivityAtIndex(mActivities.size(), r); |
| } |
| |
| void addActivityAtIndex(int index, ActivityRecord r) { |
| // Remove r first, and if it wasn't already in the list and it's fullscreen, count it. |
| if (!mActivities.remove(r) && r.fullscreen) { |
| // Was not previously in list. |
| numFullscreen++; |
| } |
| // Only set this based on the first activity |
| if (mActivities.isEmpty()) { |
| taskType = r.mActivityType; |
| if (taskType == HOME_ACTIVITY_TYPE && mService.mForceResizableActivities) { |
| mResizeable = r.info.resizeable; |
| } |
| isPersistable = r.isPersistable(); |
| mCallingUid = r.launchedFromUid; |
| mCallingPackage = r.launchedFromPackage; |
| // Clamp to [1, max]. |
| maxRecents = Math.min(Math.max(r.info.maxRecents, 1), |
| ActivityManager.getMaxAppRecentsLimitStatic()); |
| } else { |
| // Otherwise make all added activities match this one. |
| r.mActivityType = taskType; |
| } |
| mActivities.add(index, r); |
| updateEffectiveIntent(); |
| if (r.isPersistable()) { |
| mService.notifyTaskPersisterLocked(this, false); |
| } |
| } |
| |
| /** @return true if this was the last activity in the task */ |
| boolean removeActivity(ActivityRecord r) { |
| if (mActivities.remove(r) && r.fullscreen) { |
| // Was previously in list. |
| numFullscreen--; |
| } |
| if (r.isPersistable()) { |
| mService.notifyTaskPersisterLocked(this, false); |
| } |
| if (mActivities.isEmpty()) { |
| return !mReuseTask; |
| } |
| updateEffectiveIntent(); |
| return false; |
| } |
| |
| boolean autoRemoveFromRecents() { |
| // We will automatically remove the task either if it has explicitly asked for |
| // this, or it is empty and has never contained an activity that got shown to |
| // the user. |
| return autoRemoveRecents || (mActivities.isEmpty() && !hasBeenVisible); |
| } |
| |
| /** |
| * Completely remove all activities associated with an existing |
| * task starting at a specified index. |
| */ |
| final void performClearTaskAtIndexLocked(int activityNdx) { |
| int numActivities = mActivities.size(); |
| for ( ; activityNdx < numActivities; ++activityNdx) { |
| final ActivityRecord r = mActivities.get(activityNdx); |
| if (r.finishing) { |
| continue; |
| } |
| if (stack == null) { |
| // Task was restored from persistent storage. |
| r.takeFromHistory(); |
| mActivities.remove(activityNdx); |
| --activityNdx; |
| --numActivities; |
| } else if (stack.finishActivityLocked( |
| r, Activity.RESULT_CANCELED, null, "clear-task-index", false)) { |
| --activityNdx; |
| --numActivities; |
| } |
| } |
| } |
| |
| /** |
| * Completely remove all activities associated with an existing task. |
| */ |
| final void performClearTaskLocked() { |
| mReuseTask = true; |
| performClearTaskAtIndexLocked(0); |
| mReuseTask = false; |
| } |
| |
| /** |
| * Perform clear operation as requested by |
| * {@link Intent#FLAG_ACTIVITY_CLEAR_TOP}: search from the top of the |
| * stack to the given task, then look for |
| * an instance of that activity in the stack and, if found, finish all |
| * activities on top of it and return the instance. |
| * |
| * @param newR Description of the new activity being started. |
| * @return Returns the old activity that should be continued to be used, |
| * or null if none was found. |
| */ |
| final ActivityRecord performClearTaskLocked(ActivityRecord newR, int launchFlags) { |
| int numActivities = mActivities.size(); |
| for (int activityNdx = numActivities - 1; activityNdx >= 0; --activityNdx) { |
| ActivityRecord r = mActivities.get(activityNdx); |
| if (r.finishing) { |
| continue; |
| } |
| if (r.realActivity.equals(newR.realActivity)) { |
| // Here it is! Now finish everything in front... |
| final ActivityRecord ret = r; |
| |
| for (++activityNdx; activityNdx < numActivities; ++activityNdx) { |
| r = mActivities.get(activityNdx); |
| if (r.finishing) { |
| continue; |
| } |
| ActivityOptions opts = r.takeOptionsLocked(); |
| if (opts != null) { |
| ret.updateOptionsLocked(opts); |
| } |
| if (stack != null && stack.finishActivityLocked( |
| r, Activity.RESULT_CANCELED, null, "clear-task-stack", false)) { |
| --activityNdx; |
| --numActivities; |
| } |
| } |
| |
| // Finally, if this is a normal launch mode (that is, not |
| // expecting onNewIntent()), then we will finish the current |
| // instance of the activity so a new fresh one can be started. |
| if (ret.launchMode == ActivityInfo.LAUNCH_MULTIPLE |
| && (launchFlags & Intent.FLAG_ACTIVITY_SINGLE_TOP) == 0) { |
| if (!ret.finishing) { |
| if (stack != null) { |
| stack.finishActivityLocked( |
| ret, Activity.RESULT_CANCELED, null, "clear-task-top", false); |
| } |
| return null; |
| } |
| } |
| |
| return ret; |
| } |
| } |
| |
| return null; |
| } |
| |
| public TaskThumbnail getTaskThumbnailLocked() { |
| if (stack != null) { |
| final ActivityRecord resumedActivity = stack.mResumedActivity; |
| if (resumedActivity != null && resumedActivity.task == this) { |
| final Bitmap thumbnail = stack.screenshotActivitiesLocked(resumedActivity); |
| setLastThumbnailLocked(thumbnail); |
| } |
| } |
| final TaskThumbnail taskThumbnail = new TaskThumbnail(); |
| getLastThumbnail(taskThumbnail); |
| return taskThumbnail; |
| } |
| |
| public void removeTaskActivitiesLocked() { |
| // Just remove the entire task. |
| performClearTaskAtIndexLocked(0); |
| } |
| |
| String lockTaskAuthToString() { |
| switch (mLockTaskAuth) { |
| case LOCK_TASK_AUTH_DONT_LOCK: return "LOCK_TASK_AUTH_DONT_LOCK"; |
| case LOCK_TASK_AUTH_PINNABLE: return "LOCK_TASK_AUTH_PINNABLE"; |
| case LOCK_TASK_AUTH_LAUNCHABLE: return "LOCK_TASK_AUTH_LAUNCHABLE"; |
| case LOCK_TASK_AUTH_WHITELISTED: return "LOCK_TASK_AUTH_WHITELISTED"; |
| case LOCK_TASK_AUTH_LAUNCHABLE_PRIV: return "LOCK_TASK_AUTH_LAUNCHABLE_PRIV"; |
| default: return "unknown=" + mLockTaskAuth; |
| } |
| } |
| |
| void setLockTaskAuth() { |
| if (!mPrivileged && |
| (mLockTaskMode == LOCK_TASK_LAUNCH_MODE_ALWAYS || |
| mLockTaskMode == LOCK_TASK_LAUNCH_MODE_NEVER)) { |
| // Non-priv apps are not allowed to use always or never, fall back to default |
| mLockTaskMode = LOCK_TASK_LAUNCH_MODE_DEFAULT; |
| } |
| switch (mLockTaskMode) { |
| case LOCK_TASK_LAUNCH_MODE_DEFAULT: |
| mLockTaskAuth = isLockTaskWhitelistedLocked() ? |
| LOCK_TASK_AUTH_WHITELISTED : LOCK_TASK_AUTH_PINNABLE; |
| break; |
| |
| case LOCK_TASK_LAUNCH_MODE_NEVER: |
| mLockTaskAuth = LOCK_TASK_AUTH_DONT_LOCK; |
| break; |
| |
| case LOCK_TASK_LAUNCH_MODE_ALWAYS: |
| mLockTaskAuth = LOCK_TASK_AUTH_LAUNCHABLE_PRIV; |
| break; |
| |
| case LOCK_TASK_LAUNCH_MODE_IF_WHITELISTED: |
| mLockTaskAuth = isLockTaskWhitelistedLocked() ? |
| LOCK_TASK_AUTH_LAUNCHABLE : LOCK_TASK_AUTH_PINNABLE; |
| break; |
| } |
| if (DEBUG_LOCKTASK) Slog.d(TAG_LOCKTASK, "setLockTaskAuth: task=" + this + |
| " mLockTaskAuth=" + lockTaskAuthToString()); |
| } |
| |
| boolean isLockTaskWhitelistedLocked() { |
| String pkg = (realActivity != null) ? realActivity.getPackageName() : null; |
| if (pkg == null) { |
| return false; |
| } |
| String[] packages = mService.mLockTaskPackages.get(userId); |
| if (packages == null) { |
| return false; |
| } |
| for (int i = packages.length - 1; i >= 0; --i) { |
| if (pkg.equals(packages[i])) { |
| return true; |
| } |
| } |
| return false; |
| } |
| boolean isHomeTask() { |
| return taskType == HOME_ACTIVITY_TYPE; |
| } |
| |
| boolean isApplicationTask() { |
| return taskType == APPLICATION_ACTIVITY_TYPE; |
| } |
| |
| boolean isOverHomeStack() { |
| return mTaskToReturnTo == HOME_ACTIVITY_TYPE || mTaskToReturnTo == RECENTS_ACTIVITY_TYPE; |
| } |
| |
| /** |
| * Find the activity in the history stack within the given task. Returns |
| * the index within the history at which it's found, or < 0 if not found. |
| */ |
| final ActivityRecord findActivityInHistoryLocked(ActivityRecord r) { |
| final ComponentName realActivity = r.realActivity; |
| for (int activityNdx = mActivities.size() - 1; activityNdx >= 0; --activityNdx) { |
| ActivityRecord candidate = mActivities.get(activityNdx); |
| if (candidate.finishing) { |
| continue; |
| } |
| if (candidate.realActivity.equals(realActivity)) { |
| return candidate; |
| } |
| } |
| return null; |
| } |
| |
| /** Updates the last task description values. */ |
| void updateTaskDescription() { |
| // Traverse upwards looking for any break between main task activities and |
| // utility activities. |
| int activityNdx; |
| final int numActivities = mActivities.size(); |
| final boolean relinquish = numActivities == 0 ? false : |
| (mActivities.get(0).info.flags & ActivityInfo.FLAG_RELINQUISH_TASK_IDENTITY) != 0; |
| for (activityNdx = Math.min(numActivities, 1); activityNdx < numActivities; |
| ++activityNdx) { |
| final ActivityRecord r = mActivities.get(activityNdx); |
| if (relinquish && (r.info.flags & ActivityInfo.FLAG_RELINQUISH_TASK_IDENTITY) == 0) { |
| // This will be the top activity for determining taskDescription. Pre-inc to |
| // overcome initial decrement below. |
| ++activityNdx; |
| break; |
| } |
| if (r.intent != null && |
| (r.intent.getFlags() & Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET) != 0) { |
| break; |
| } |
| } |
| if (activityNdx > 0) { |
| // Traverse downwards starting below break looking for set label, icon. |
| // Note that if there are activities in the task but none of them set the |
| // recent activity values, then we do not fall back to the last set |
| // values in the TaskRecord. |
| String label = null; |
| String iconFilename = null; |
| int colorPrimary = 0; |
| for (--activityNdx; activityNdx >= 0; --activityNdx) { |
| final ActivityRecord r = mActivities.get(activityNdx); |
| if (r.taskDescription != null) { |
| if (label == null) { |
| label = r.taskDescription.getLabel(); |
| } |
| if (iconFilename == null) { |
| iconFilename = r.taskDescription.getIconFilename(); |
| } |
| if (colorPrimary == 0) { |
| colorPrimary = r.taskDescription.getPrimaryColor(); |
| } |
| } |
| } |
| lastTaskDescription = new TaskDescription(label, colorPrimary, iconFilename); |
| // Update the task affiliation color if we are the parent of the group |
| if (taskId == mAffiliatedTaskId) { |
| mAffiliatedTaskColor = lastTaskDescription.getPrimaryColor(); |
| } |
| } |
| } |
| |
| int findEffectiveRootIndex() { |
| int effectiveNdx = 0; |
| final int topActivityNdx = mActivities.size() - 1; |
| for (int activityNdx = 0; activityNdx <= topActivityNdx; ++activityNdx) { |
| final ActivityRecord r = mActivities.get(activityNdx); |
| if (r.finishing) { |
| continue; |
| } |
| effectiveNdx = activityNdx; |
| if ((r.info.flags & ActivityInfo.FLAG_RELINQUISH_TASK_IDENTITY) == 0) { |
| break; |
| } |
| } |
| return effectiveNdx; |
| } |
| |
| void updateEffectiveIntent() { |
| final int effectiveRootIndex = findEffectiveRootIndex(); |
| final ActivityRecord r = mActivities.get(effectiveRootIndex); |
| setIntent(r); |
| } |
| |
| void saveToXml(XmlSerializer out) throws IOException, XmlPullParserException { |
| if (DEBUG_RECENTS) Slog.i(TAG_RECENTS, "Saving task=" + this); |
| |
| out.attribute(null, ATTR_TASKID, String.valueOf(taskId)); |
| if (realActivity != null) { |
| out.attribute(null, ATTR_REALACTIVITY, realActivity.flattenToShortString()); |
| } |
| if (origActivity != null) { |
| out.attribute(null, ATTR_ORIGACTIVITY, origActivity.flattenToShortString()); |
| } |
| // Write affinity, and root affinity if it is different from affinity. |
| // We use the special string "@" for a null root affinity, so we can identify |
| // later whether we were given a root affinity or should just make it the |
| // same as the affinity. |
| if (affinity != null) { |
| out.attribute(null, ATTR_AFFINITY, affinity); |
| if (!affinity.equals(rootAffinity)) { |
| out.attribute(null, ATTR_ROOT_AFFINITY, rootAffinity != null ? rootAffinity : "@"); |
| } |
| } else if (rootAffinity != null) { |
| out.attribute(null, ATTR_ROOT_AFFINITY, rootAffinity != null ? rootAffinity : "@"); |
| } |
| out.attribute(null, ATTR_ROOTHASRESET, String.valueOf(rootWasReset)); |
| out.attribute(null, ATTR_AUTOREMOVERECENTS, String.valueOf(autoRemoveRecents)); |
| out.attribute(null, ATTR_ASKEDCOMPATMODE, String.valueOf(askedCompatMode)); |
| out.attribute(null, ATTR_USERID, String.valueOf(userId)); |
| out.attribute(null, ATTR_EFFECTIVE_UID, String.valueOf(effectiveUid)); |
| out.attribute(null, ATTR_TASKTYPE, String.valueOf(taskType)); |
| out.attribute(null, ATTR_FIRSTACTIVETIME, String.valueOf(firstActiveTime)); |
| out.attribute(null, ATTR_LASTACTIVETIME, String.valueOf(lastActiveTime)); |
| out.attribute(null, ATTR_LASTTIMEMOVED, String.valueOf(mLastTimeMoved)); |
| out.attribute(null, ATTR_NEVERRELINQUISH, String.valueOf(mNeverRelinquishIdentity)); |
| if (lastDescription != null) { |
| out.attribute(null, ATTR_LASTDESCRIPTION, lastDescription.toString()); |
| } |
| if (lastTaskDescription != null) { |
| lastTaskDescription.saveToXml(out); |
| } |
| mLastThumbnailInfo.saveToXml(out); |
| out.attribute(null, ATTR_TASK_AFFILIATION_COLOR, String.valueOf(mAffiliatedTaskColor)); |
| out.attribute(null, ATTR_TASK_AFFILIATION, String.valueOf(mAffiliatedTaskId)); |
| out.attribute(null, ATTR_PREV_AFFILIATION, String.valueOf(mPrevAffiliateTaskId)); |
| out.attribute(null, ATTR_NEXT_AFFILIATION, String.valueOf(mNextAffiliateTaskId)); |
| out.attribute(null, ATTR_CALLING_UID, String.valueOf(mCallingUid)); |
| out.attribute(null, ATTR_CALLING_PACKAGE, mCallingPackage == null ? "" : mCallingPackage); |
| out.attribute(null, ATTR_RESIZEABLE, String.valueOf(mResizeable)); |
| out.attribute(null, ATTR_PRIVILEGED, String.valueOf(mPrivileged)); |
| if (mLastNonFullscreenBounds != null) { |
| out.attribute( |
| null, ATTR_NON_FULLSCREEN_BOUNDS, mLastNonFullscreenBounds.flattenToString()); |
| } |
| |
| if (affinityIntent != null) { |
| out.startTag(null, TAG_AFFINITYINTENT); |
| affinityIntent.saveToXml(out); |
| out.endTag(null, TAG_AFFINITYINTENT); |
| } |
| |
| out.startTag(null, TAG_INTENT); |
| intent.saveToXml(out); |
| out.endTag(null, TAG_INTENT); |
| |
| final ArrayList<ActivityRecord> activities = mActivities; |
| final int numActivities = activities.size(); |
| for (int activityNdx = 0; activityNdx < numActivities; ++activityNdx) { |
| final ActivityRecord r = activities.get(activityNdx); |
| if (r.info.persistableMode == ActivityInfo.PERSIST_ROOT_ONLY || !r.isPersistable() || |
| ((r.intent.getFlags() & FLAG_ACTIVITY_NEW_DOCUMENT |
| | FLAG_ACTIVITY_RETAIN_IN_RECENTS) == FLAG_ACTIVITY_NEW_DOCUMENT) && |
| activityNdx > 0) { |
| // Stop at first non-persistable or first break in task (CLEAR_WHEN_TASK_RESET). |
| break; |
| } |
| out.startTag(null, TAG_ACTIVITY); |
| r.saveToXml(out); |
| out.endTag(null, TAG_ACTIVITY); |
| } |
| } |
| |
| static TaskRecord restoreFromXml(XmlPullParser in, ActivityStackSupervisor stackSupervisor) |
| throws IOException, XmlPullParserException { |
| Intent intent = null; |
| Intent affinityIntent = null; |
| ArrayList<ActivityRecord> activities = new ArrayList<>(); |
| ComponentName realActivity = null; |
| ComponentName origActivity = null; |
| String affinity = null; |
| String rootAffinity = null; |
| boolean hasRootAffinity = false; |
| boolean rootHasReset = false; |
| boolean autoRemoveRecents = false; |
| boolean askedCompatMode = false; |
| int taskType = ActivityRecord.APPLICATION_ACTIVITY_TYPE; |
| int userId = 0; |
| int effectiveUid = -1; |
| String lastDescription = null; |
| long firstActiveTime = -1; |
| long lastActiveTime = -1; |
| long lastTimeOnTop = 0; |
| boolean neverRelinquishIdentity = true; |
| int taskId = INVALID_TASK_ID; |
| final int outerDepth = in.getDepth(); |
| TaskDescription taskDescription = new TaskDescription(); |
| TaskThumbnailInfo thumbnailInfo = new TaskThumbnailInfo(); |
| int taskAffiliation = INVALID_TASK_ID; |
| int taskAffiliationColor = 0; |
| int prevTaskId = INVALID_TASK_ID; |
| int nextTaskId = INVALID_TASK_ID; |
| int callingUid = -1; |
| String callingPackage = ""; |
| boolean resizeable = false; |
| boolean privileged = false; |
| Rect bounds = null; |
| |
| for (int attrNdx = in.getAttributeCount() - 1; attrNdx >= 0; --attrNdx) { |
| final String attrName = in.getAttributeName(attrNdx); |
| final String attrValue = in.getAttributeValue(attrNdx); |
| if (TaskPersister.DEBUG) Slog.d(TaskPersister.TAG, "TaskRecord: attribute name=" + |
| attrName + " value=" + attrValue); |
| if (ATTR_TASKID.equals(attrName)) { |
| if (taskId == INVALID_TASK_ID) taskId = Integer.valueOf(attrValue); |
| } else if (ATTR_REALACTIVITY.equals(attrName)) { |
| realActivity = ComponentName.unflattenFromString(attrValue); |
| } else if (ATTR_ORIGACTIVITY.equals(attrName)) { |
| origActivity = ComponentName.unflattenFromString(attrValue); |
| } else if (ATTR_AFFINITY.equals(attrName)) { |
| affinity = attrValue; |
| } else if (ATTR_ROOT_AFFINITY.equals(attrName)) { |
| rootAffinity = attrValue; |
| hasRootAffinity = true; |
| } else if (ATTR_ROOTHASRESET.equals(attrName)) { |
| rootHasReset = Boolean.valueOf(attrValue); |
| } else if (ATTR_AUTOREMOVERECENTS.equals(attrName)) { |
| autoRemoveRecents = Boolean.valueOf(attrValue); |
| } else if (ATTR_ASKEDCOMPATMODE.equals(attrName)) { |
| askedCompatMode = Boolean.valueOf(attrValue); |
| } else if (ATTR_USERID.equals(attrName)) { |
| userId = Integer.valueOf(attrValue); |
| } else if (ATTR_EFFECTIVE_UID.equals(attrName)) { |
| effectiveUid = Integer.valueOf(attrValue); |
| } else if (ATTR_TASKTYPE.equals(attrName)) { |
| taskType = Integer.valueOf(attrValue); |
| } else if (ATTR_FIRSTACTIVETIME.equals(attrName)) { |
| firstActiveTime = Long.valueOf(attrValue); |
| } else if (ATTR_LASTACTIVETIME.equals(attrName)) { |
| lastActiveTime = Long.valueOf(attrValue); |
| } else if (ATTR_LASTDESCRIPTION.equals(attrName)) { |
| lastDescription = attrValue; |
| } else if (ATTR_LASTTIMEMOVED.equals(attrName)) { |
| lastTimeOnTop = Long.valueOf(attrValue); |
| } else if (ATTR_NEVERRELINQUISH.equals(attrName)) { |
| neverRelinquishIdentity = Boolean.valueOf(attrValue); |
| } else if (attrName.startsWith(TaskThumbnailInfo.ATTR_TASK_THUMBNAILINFO_PREFIX)) { |
| thumbnailInfo.restoreFromXml(attrName, attrValue); |
| } else if (attrName.startsWith(TaskDescription.ATTR_TASKDESCRIPTION_PREFIX)) { |
| taskDescription.restoreFromXml(attrName, attrValue); |
| } else if (ATTR_TASK_AFFILIATION.equals(attrName)) { |
| taskAffiliation = Integer.valueOf(attrValue); |
| } else if (ATTR_PREV_AFFILIATION.equals(attrName)) { |
| prevTaskId = Integer.valueOf(attrValue); |
| } else if (ATTR_NEXT_AFFILIATION.equals(attrName)) { |
| nextTaskId = Integer.valueOf(attrValue); |
| } else if (ATTR_TASK_AFFILIATION_COLOR.equals(attrName)) { |
| taskAffiliationColor = Integer.valueOf(attrValue); |
| } else if (ATTR_CALLING_UID.equals(attrName)) { |
| callingUid = Integer.valueOf(attrValue); |
| } else if (ATTR_CALLING_PACKAGE.equals(attrName)) { |
| callingPackage = attrValue; |
| } else if (ATTR_RESIZEABLE.equals(attrName)) { |
| resizeable = Boolean.valueOf(attrValue); |
| } else if (ATTR_PRIVILEGED.equals(attrName)) { |
| privileged = Boolean.valueOf(attrValue); |
| } else if (ATTR_NON_FULLSCREEN_BOUNDS.equals(attrName)) { |
| bounds = Rect.unflattenFromString(attrValue); |
| } else { |
| Slog.w(TAG, "TaskRecord: Unknown attribute=" + attrName); |
| } |
| } |
| |
| int event; |
| while (((event = in.next()) != XmlPullParser.END_DOCUMENT) && |
| (event != XmlPullParser.END_TAG || in.getDepth() >= outerDepth)) { |
| if (event == XmlPullParser.START_TAG) { |
| final String name = in.getName(); |
| if (TaskPersister.DEBUG) Slog.d(TaskPersister.TAG, "TaskRecord: START_TAG name=" + |
| name); |
| if (TAG_AFFINITYINTENT.equals(name)) { |
| affinityIntent = Intent.restoreFromXml(in); |
| } else if (TAG_INTENT.equals(name)) { |
| intent = Intent.restoreFromXml(in); |
| } else if (TAG_ACTIVITY.equals(name)) { |
| ActivityRecord activity = ActivityRecord.restoreFromXml(in, stackSupervisor); |
| if (TaskPersister.DEBUG) Slog.d(TaskPersister.TAG, "TaskRecord: activity=" + |
| activity); |
| if (activity != null) { |
| activities.add(activity); |
| } |
| } else { |
| Slog.e(TAG, "restoreTask: Unexpected name=" + name); |
| XmlUtils.skipCurrentTag(in); |
| } |
| } |
| } |
| if (!hasRootAffinity) { |
| rootAffinity = affinity; |
| } else if ("@".equals(rootAffinity)) { |
| rootAffinity = null; |
| } |
| if (effectiveUid <= 0) { |
| Intent checkIntent = intent != null ? intent : affinityIntent; |
| effectiveUid = 0; |
| if (checkIntent != null) { |
| IPackageManager pm = AppGlobals.getPackageManager(); |
| try { |
| ApplicationInfo ai = pm.getApplicationInfo( |
| checkIntent.getComponent().getPackageName(), |
| PackageManager.GET_UNINSTALLED_PACKAGES |
| | PackageManager.GET_DISABLED_COMPONENTS, userId); |
| if (ai != null) { |
| effectiveUid = ai.uid; |
| } |
| } catch (RemoteException e) { |
| } |
| } |
| Slog.w(TAG, "Updating task #" + taskId + " for " + checkIntent |
| + ": effectiveUid=" + effectiveUid); |
| } |
| |
| final TaskRecord task = new TaskRecord(stackSupervisor.mService, taskId, intent, |
| affinityIntent, affinity, rootAffinity, realActivity, origActivity, rootHasReset, |
| autoRemoveRecents, askedCompatMode, taskType, userId, effectiveUid, lastDescription, |
| activities, firstActiveTime, lastActiveTime, lastTimeOnTop, neverRelinquishIdentity, |
| taskDescription, thumbnailInfo, taskAffiliation, prevTaskId, nextTaskId, |
| taskAffiliationColor, callingUid, callingPackage, resizeable, privileged); |
| task.updateOverrideConfiguration(bounds); |
| |
| for (int activityNdx = activities.size() - 1; activityNdx >=0; --activityNdx) { |
| activities.get(activityNdx).task = task; |
| } |
| |
| if (DEBUG_RECENTS) Slog.d(TAG_RECENTS, "Restored task=" + task); |
| return task; |
| } |
| |
| /** |
| * Update task's override configuration based on the bounds. |
| * @return Update configuration or null if there is no change. |
| */ |
| Configuration updateOverrideConfiguration(Rect bounds) { |
| if (Objects.equals(mBounds, bounds)) { |
| return null; |
| } |
| final Configuration oldConfig = mOverrideConfig; |
| final boolean oldFullscreen = mFullscreen; |
| |
| mFullscreen = bounds == null; |
| if (mFullscreen) { |
| if (mBounds != null && StackId.persistTaskBounds(stack.mStackId)) { |
| mLastNonFullscreenBounds = mBounds; |
| } |
| mBounds = null; |
| mOverrideConfig = Configuration.EMPTY; |
| } else { |
| if (mBounds == null) { |
| mBounds = new Rect(bounds); |
| } else { |
| mBounds.set(bounds); |
| } |
| if (stack == null || StackId.persistTaskBounds(stack.mStackId)) { |
| mLastNonFullscreenBounds = mBounds; |
| } |
| |
| final Configuration serviceConfig = mService.mConfiguration; |
| mOverrideConfig = new Configuration(Configuration.EMPTY); |
| // TODO(multidisplay): Update Dp to that of display stack is on. |
| final float density = serviceConfig.densityDpi * DisplayMetrics.DENSITY_DEFAULT_SCALE; |
| mOverrideConfig.screenWidthDp = |
| Math.min((int)(mBounds.width() / density), serviceConfig.screenWidthDp); |
| mOverrideConfig.screenHeightDp = |
| Math.min((int)(mBounds.height() / density), serviceConfig.screenHeightDp); |
| mOverrideConfig.smallestScreenWidthDp = |
| Math.min(mOverrideConfig.screenWidthDp, mOverrideConfig.screenHeightDp); |
| mOverrideConfig.orientation = |
| (mOverrideConfig.screenWidthDp <= mOverrideConfig.screenHeightDp) |
| ? Configuration.ORIENTATION_PORTRAIT |
| : Configuration.ORIENTATION_LANDSCAPE; |
| } |
| |
| if (mFullscreen != oldFullscreen) { |
| reportMultiWindowModeChange(); |
| } |
| |
| return !mOverrideConfig.equals(oldConfig) ? mOverrideConfig : null; |
| } |
| |
| private void reportMultiWindowModeChange() { |
| for (int i = mActivities.size() - 1; i >= 0; i--) { |
| final ActivityRecord r = mActivities.get(i); |
| if (r.app != null && r.app.thread != null) { |
| try { |
| // An activity is consider to be in multi-window mode if its task isn't |
| // fullscreen. |
| r.app.thread.scheduleMultiWindowModeChanged(r.appToken, !mFullscreen); |
| } catch (Exception e) { |
| Slog.e(TAG, "TaskRecord.reportMultiWindowModeChange: ", e); |
| } |
| } |
| } |
| } |
| |
| void reportPictureInPictureModeChange() { |
| for (int i = mActivities.size() - 1; i >= 0; i--) { |
| final ActivityRecord r = mActivities.get(i); |
| if (r.app != null && r.app.thread != null) { |
| try { |
| r.app.thread.schedulePictureInPictureModeChanged( |
| r.appToken, stack.mStackId == PINNED_STACK_ID); |
| } catch (Exception e) { |
| Slog.e(TAG, "TaskRecord.reportMultiWindowModeChange: ", e); |
| } |
| } |
| } |
| } |
| |
| /** Updates the task's bounds and override configuration to match what is expected for the |
| * input stack. */ |
| void updateOverrideConfigurationForStack(ActivityStack inStack) { |
| if (stack != null && stack == inStack) { |
| return; |
| } |
| |
| if (inStack.mStackId == FREEFORM_WORKSPACE_STACK_ID) { |
| if (!mResizeable) { |
| throw new IllegalArgumentException("Can not position non-resizeable task=" |
| + this + " in stack=" + inStack); |
| } |
| if (mBounds != null) { |
| return; |
| } |
| if (mLastNonFullscreenBounds != null) { |
| updateOverrideConfiguration(mLastNonFullscreenBounds); |
| } else { |
| inStack.layoutTaskInStack(this, null); |
| } |
| } else { |
| updateOverrideConfiguration(inStack.mBounds); |
| } |
| } |
| |
| /** |
| * Returns the correct stack to use based on task type and currently set bounds, |
| * regardless of the focused stack and current stack association of the task. |
| * The task will be moved (and stack focus changed) later if necessary. |
| */ |
| int getLaunchStackId() { |
| if (!isApplicationTask()) { |
| return HOME_STACK_ID; |
| } |
| if (mBounds != null) { |
| return FREEFORM_WORKSPACE_STACK_ID; |
| } |
| return FULLSCREEN_WORKSPACE_STACK_ID; |
| } |
| |
| /** Returns the bounds that should be used to launch this task. */ |
| Rect getLaunchBounds() { |
| final int stackId = stack.mStackId; |
| |
| // If we're over lockscreen, forget about stack bounds and use fullscreen. |
| if (mService.mLockScreenShown == LOCK_SCREEN_SHOWN) { |
| return null; |
| } |
| |
| if (stack == null |
| || stackId == HOME_STACK_ID |
| || stackId == FULLSCREEN_WORKSPACE_STACK_ID) { |
| return (mResizeable && stack != null) ? stack.mBounds : null; |
| } else if (!StackId.persistTaskBounds(stackId)) { |
| return stack.mBounds; |
| } |
| return mLastNonFullscreenBounds; |
| } |
| |
| void dump(PrintWriter pw, String prefix) { |
| pw.print(prefix); pw.print("userId="); pw.print(userId); |
| pw.print(" effectiveUid="); UserHandle.formatUid(pw, effectiveUid); |
| pw.print(" mCallingUid="); UserHandle.formatUid(pw, mCallingUid); |
| pw.print(" mCallingPackage="); pw.println(mCallingPackage); |
| if (affinity != null || rootAffinity != null) { |
| pw.print(prefix); pw.print("affinity="); pw.print(affinity); |
| if (affinity == null || !affinity.equals(rootAffinity)) { |
| pw.print(" root="); pw.println(rootAffinity); |
| } else { |
| pw.println(); |
| } |
| } |
| if (voiceSession != null || voiceInteractor != null) { |
| pw.print(prefix); pw.print("VOICE: session=0x"); |
| pw.print(Integer.toHexString(System.identityHashCode(voiceSession))); |
| pw.print(" interactor=0x"); |
| pw.println(Integer.toHexString(System.identityHashCode(voiceInteractor))); |
| } |
| if (intent != null) { |
| StringBuilder sb = new StringBuilder(128); |
| sb.append(prefix); sb.append("intent={"); |
| intent.toShortString(sb, false, true, false, true); |
| sb.append('}'); |
| pw.println(sb.toString()); |
| } |
| if (affinityIntent != null) { |
| StringBuilder sb = new StringBuilder(128); |
| sb.append(prefix); sb.append("affinityIntent={"); |
| affinityIntent.toShortString(sb, false, true, false, true); |
| sb.append('}'); |
| pw.println(sb.toString()); |
| } |
| if (origActivity != null) { |
| pw.print(prefix); pw.print("origActivity="); |
| pw.println(origActivity.flattenToShortString()); |
| } |
| if (realActivity != null) { |
| pw.print(prefix); pw.print("realActivity="); |
| pw.println(realActivity.flattenToShortString()); |
| } |
| if (autoRemoveRecents || isPersistable || taskType != 0 || mTaskToReturnTo != 0 |
| || numFullscreen != 0) { |
| pw.print(prefix); pw.print("autoRemoveRecents="); pw.print(autoRemoveRecents); |
| pw.print(" isPersistable="); pw.print(isPersistable); |
| pw.print(" numFullscreen="); pw.print(numFullscreen); |
| pw.print(" taskType="); pw.print(taskType); |
| pw.print(" mTaskToReturnTo="); pw.println(mTaskToReturnTo); |
| } |
| if (rootWasReset || mNeverRelinquishIdentity || mReuseTask |
| || mLockTaskAuth != LOCK_TASK_AUTH_PINNABLE) { |
| pw.print(prefix); pw.print("rootWasReset="); pw.print(rootWasReset); |
| pw.print(" mNeverRelinquishIdentity="); pw.print(mNeverRelinquishIdentity); |
| pw.print(" mReuseTask="); pw.print(mReuseTask); |
| pw.print(" mLockTaskAuth="); pw.println(lockTaskAuthToString()); |
| } |
| if (mAffiliatedTaskId != taskId || mPrevAffiliateTaskId != INVALID_TASK_ID |
| || mPrevAffiliate != null || mNextAffiliateTaskId != INVALID_TASK_ID |
| || mNextAffiliate != null) { |
| pw.print(prefix); pw.print("affiliation="); pw.print(mAffiliatedTaskId); |
| pw.print(" prevAffiliation="); pw.print(mPrevAffiliateTaskId); |
| pw.print(" ("); |
| if (mPrevAffiliate == null) { |
| pw.print("null"); |
| } else { |
| pw.print(Integer.toHexString(System.identityHashCode(mPrevAffiliate))); |
| } |
| pw.print(") nextAffiliation="); pw.print(mNextAffiliateTaskId); |
| pw.print(" ("); |
| if (mNextAffiliate == null) { |
| pw.print("null"); |
| } else { |
| pw.print(Integer.toHexString(System.identityHashCode(mNextAffiliate))); |
| } |
| pw.println(")"); |
| } |
| pw.print(prefix); pw.print("Activities="); pw.println(mActivities); |
| if (!askedCompatMode || !inRecents || !isAvailable) { |
| pw.print(prefix); pw.print("askedCompatMode="); pw.print(askedCompatMode); |
| pw.print(" inRecents="); pw.print(inRecents); |
| pw.print(" isAvailable="); pw.println(isAvailable); |
| } |
| pw.print(prefix); pw.print("lastThumbnail="); pw.print(mLastThumbnail); |
| pw.print(" lastThumbnailFile="); pw.println(mLastThumbnailFile); |
| if (lastDescription != null) { |
| pw.print(prefix); pw.print("lastDescription="); pw.println(lastDescription); |
| } |
| if (stack != null) { |
| pw.print(prefix); pw.print("stackId="); pw.println(stack.mStackId); |
| } |
| pw.print(prefix); pw.print("hasBeenVisible="); pw.print(hasBeenVisible); |
| pw.print(" mResizeable="); pw.print(mResizeable); |
| pw.print(" firstActiveTime="); pw.print(lastActiveTime); |
| pw.print(" lastActiveTime="); pw.print(lastActiveTime); |
| pw.print(" (inactive for "); |
| pw.print((getInactiveDuration()/1000)); pw.println("s)"); |
| } |
| |
| @Override |
| public String toString() { |
| StringBuilder sb = new StringBuilder(128); |
| if (stringName != null) { |
| sb.append(stringName); |
| sb.append(" U="); |
| sb.append(userId); |
| sb.append(" StackId="); |
| sb.append(stack != null ? stack.mStackId : INVALID_STACK_ID); |
| sb.append(" sz="); |
| sb.append(mActivities.size()); |
| sb.append('}'); |
| return sb.toString(); |
| } |
| sb.append("TaskRecord{"); |
| sb.append(Integer.toHexString(System.identityHashCode(this))); |
| sb.append(" #"); |
| sb.append(taskId); |
| if (affinity != null) { |
| sb.append(" A="); |
| sb.append(affinity); |
| } else if (intent != null) { |
| sb.append(" I="); |
| sb.append(intent.getComponent().flattenToShortString()); |
| } else if (affinityIntent != null) { |
| sb.append(" aI="); |
| sb.append(affinityIntent.getComponent().flattenToShortString()); |
| } else { |
| sb.append(" ??"); |
| } |
| stringName = sb.toString(); |
| return toString(); |
| } |
| } |
