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android / platform / frameworks / base / 9a1dfd9a9de3bb33cd81e3003251b49f7862f276 / . / services / core / java / com / android / server / wm / RootWindowContainer.java
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/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License
*/
package com.android.server.wm;
import static android.app.ActivityTaskManager.INVALID_TASK_ID;
import static android.app.KeyguardManager.ACTION_CONFIRM_DEVICE_CREDENTIAL_WITH_USER;
import static android.app.WindowConfiguration.ACTIVITY_TYPE_ASSISTANT;
import static android.app.WindowConfiguration.ACTIVITY_TYPE_DREAM;
import static android.app.WindowConfiguration.ACTIVITY_TYPE_HOME;
import static android.app.WindowConfiguration.ACTIVITY_TYPE_RECENTS;
import static android.app.WindowConfiguration.ACTIVITY_TYPE_STANDARD;
import static android.app.WindowConfiguration.ACTIVITY_TYPE_UNDEFINED;
import static android.app.WindowConfiguration.WINDOWING_MODE_PINNED;
import static android.app.WindowConfiguration.WINDOWING_MODE_SPLIT_SCREEN_PRIMARY;
import static android.app.WindowConfiguration.WINDOWING_MODE_UNDEFINED;
import static android.content.Intent.FLAG_ACTIVITY_NEW_TASK;
import static android.content.pm.ActivityInfo.LAUNCH_SINGLE_INSTANCE;
import static android.content.pm.ActivityInfo.LAUNCH_SINGLE_TASK;
import static android.os.Trace.TRACE_TAG_WINDOW_MANAGER;
import static android.view.Display.DEFAULT_DISPLAY;
import static android.view.Display.INVALID_DISPLAY;
import static android.view.WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON;
import static android.view.WindowManager.LayoutParams.PRIVATE_FLAG_SUSTAINED_PERFORMANCE_MODE;
import static android.view.WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG;
import static android.view.WindowManager.LayoutParams.TYPE_NOTIFICATION_SHADE;
import static android.view.WindowManager.TRANSIT_CLOSE;
import static android.view.WindowManager.TRANSIT_FLAG_APP_CRASHED;
import static android.view.WindowManager.TRANSIT_NONE;
import static android.view.WindowManager.TRANSIT_PIP;
import static android.view.WindowManager.TRANSIT_TO_BACK;
import static com.android.internal.protolog.ProtoLogGroup.WM_DEBUG_FOCUS_LIGHT;
import static com.android.internal.protolog.ProtoLogGroup.WM_DEBUG_KEEP_SCREEN_ON;
import static com.android.internal.protolog.ProtoLogGroup.WM_DEBUG_ORIENTATION;
import static com.android.internal.protolog.ProtoLogGroup.WM_DEBUG_STATES;
import static com.android.internal.protolog.ProtoLogGroup.WM_DEBUG_TASKS;
import static com.android.internal.protolog.ProtoLogGroup.WM_DEBUG_WALLPAPER;
import static com.android.internal.protolog.ProtoLogGroup.WM_SHOW_SURFACE_ALLOC;
import static com.android.internal.protolog.ProtoLogGroup.WM_SHOW_TRANSACTIONS;
import static com.android.server.policy.PhoneWindowManager.SYSTEM_DIALOG_REASON_ASSIST;
import static com.android.server.policy.WindowManagerPolicy.FINISH_LAYOUT_REDO_LAYOUT;
import static com.android.server.policy.WindowManagerPolicy.FINISH_LAYOUT_REDO_WALLPAPER;
import static com.android.server.wm.ActivityRecord.State.FINISHING;
import static com.android.server.wm.ActivityRecord.State.PAUSED;
import static com.android.server.wm.ActivityRecord.State.RESUMED;
import static com.android.server.wm.ActivityRecord.State.STOPPED;
import static com.android.server.wm.ActivityRecord.State.STOPPING;
import static com.android.server.wm.ActivityTaskManagerDebugConfig.DEBUG_RECENTS;
import static com.android.server.wm.ActivityTaskManagerDebugConfig.DEBUG_ROOT_TASK;
import static com.android.server.wm.ActivityTaskManagerDebugConfig.DEBUG_SWITCH;
import static com.android.server.wm.ActivityTaskManagerDebugConfig.POSTFIX_RECENTS;
import static com.android.server.wm.ActivityTaskManagerDebugConfig.POSTFIX_STATES;
import static com.android.server.wm.ActivityTaskManagerDebugConfig.POSTFIX_TASKS;
import static com.android.server.wm.ActivityTaskManagerService.ANIMATE;
import static com.android.server.wm.ActivityTaskManagerService.TAG_SWITCH;
import static com.android.server.wm.ActivityTaskSupervisor.DEFER_RESUME;
import static com.android.server.wm.ActivityTaskSupervisor.ON_TOP;
import static com.android.server.wm.ActivityTaskSupervisor.PRESERVE_WINDOWS;
import static com.android.server.wm.ActivityTaskSupervisor.dumpHistoryList;
import static com.android.server.wm.ActivityTaskSupervisor.printThisActivity;
import static com.android.server.wm.KeyguardController.KEYGUARD_SLEEP_TOKEN_TAG;
import static com.android.server.wm.RootWindowContainerProto.DEFAULT_MIN_SIZE_RESIZABLE_TASK;
import static com.android.server.wm.RootWindowContainerProto.IS_HOME_RECENTS_COMPONENT;
import static com.android.server.wm.RootWindowContainerProto.KEYGUARD_CONTROLLER;
import static com.android.server.wm.RootWindowContainerProto.WINDOW_CONTAINER;
import static com.android.server.wm.Task.REPARENT_LEAVE_ROOT_TASK_IN_PLACE;
import static com.android.server.wm.Task.REPARENT_MOVE_ROOT_TASK_TO_FRONT;
import static com.android.server.wm.TaskFragment.TASK_FRAGMENT_VISIBILITY_INVISIBLE;
import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_LAYOUT_REPEATS;
import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_WINDOW_TRACE;
import static com.android.server.wm.WindowManagerDebugConfig.SHOW_LIGHT_TRANSACTIONS;
import static com.android.server.wm.WindowManagerDebugConfig.TAG_WITH_CLASS_NAME;
import static com.android.server.wm.WindowManagerDebugConfig.TAG_WM;
import static com.android.server.wm.WindowManagerService.H.WINDOW_FREEZE_TIMEOUT;
import static com.android.server.wm.WindowManagerService.UPDATE_FOCUS_NORMAL;
import static com.android.server.wm.WindowManagerService.UPDATE_FOCUS_PLACING_SURFACES;
import static com.android.server.wm.WindowManagerService.UPDATE_FOCUS_WILL_PLACE_SURFACES;
import static com.android.server.wm.WindowManagerService.WINDOWS_FREEZING_SCREENS_NONE;
import static com.android.server.wm.WindowSurfacePlacer.SET_UPDATE_ROTATION;
import static com.android.server.wm.WindowSurfacePlacer.SET_WALLPAPER_ACTION_PENDING;
import static java.lang.Integer.MAX_VALUE;
import android.annotation.IntDef;
import android.annotation.NonNull;
import android.annotation.Nullable;
import android.annotation.UserIdInt;
import android.app.ActivityManager;
import android.app.ActivityOptions;
import android.app.ActivityTaskManager.RootTaskInfo;
import android.app.AppGlobals;
import android.app.WindowConfiguration;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.pm.ActivityInfo;
import android.content.pm.ApplicationInfo;
import android.content.pm.ResolveInfo;
import android.content.res.Configuration;
import android.content.res.Resources;
import android.graphics.Rect;
import android.hardware.display.DisplayManager;
import android.hardware.display.DisplayManagerInternal;
import android.hardware.power.Mode;
import android.net.Uri;
import android.os.Binder;
import android.os.Debug;
import android.os.FactoryTest;
import android.os.Handler;
import android.os.IBinder;
import android.os.Looper;
import android.os.Message;
import android.os.PowerManager;
import android.os.RemoteException;
import android.os.SystemClock;
import android.os.Trace;
import android.os.UserHandle;
import android.os.storage.StorageManager;
import android.provider.Settings;
import android.service.voice.IVoiceInteractionSession;
import android.util.ArrayMap;
import android.util.ArraySet;
import android.util.DisplayMetrics;
import android.util.IntArray;
import android.util.Pair;
import android.util.Slog;
import android.util.SparseArray;
import android.util.SparseIntArray;
import android.util.TimeUtils;
import android.util.proto.ProtoOutputStream;
import android.view.Display;
import android.view.DisplayInfo;
import android.view.SurfaceControl;
import android.view.WindowManager;
import android.window.WindowContainerToken;
import com.android.internal.annotations.VisibleForTesting;
import com.android.internal.app.ResolverActivity;
import com.android.internal.protolog.common.ProtoLog;
import com.android.internal.util.function.pooled.PooledConsumer;
import com.android.internal.util.function.pooled.PooledFunction;
import com.android.internal.util.function.pooled.PooledLambda;
import com.android.internal.util.function.pooled.PooledPredicate;
import com.android.server.LocalServices;
import com.android.server.am.ActivityManagerService;
import com.android.server.am.AppTimeTracker;
import com.android.server.am.UserState;
import com.android.server.policy.WindowManagerPolicy;
import java.io.FileDescriptor;
import java.io.PrintWriter;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.util.ArrayList;
import java.util.List;
import java.util.Objects;
import java.util.Set;
import java.util.function.Consumer;
import java.util.function.Function;
/** Root {@link WindowContainer} for the device. */
class RootWindowContainer extends WindowContainer<DisplayContent>
implements DisplayManager.DisplayListener {
private static final String TAG = TAG_WITH_CLASS_NAME ? "RootWindowContainer" : TAG_WM;
private static final int SET_SCREEN_BRIGHTNESS_OVERRIDE = 1;
private static final int SET_USER_ACTIVITY_TIMEOUT = 2;
static final String TAG_TASKS = TAG + POSTFIX_TASKS;
static final String TAG_STATES = TAG + POSTFIX_STATES;
private static final String TAG_RECENTS = TAG + POSTFIX_RECENTS;
private Object mLastWindowFreezeSource = null;
private Session mHoldScreen = null;
private float mScreenBrightnessOverride = PowerManager.BRIGHTNESS_INVALID_FLOAT;
private long mUserActivityTimeout = -1;
private boolean mUpdateRotation = false;
// Following variables are for debugging screen wakelock only.
// Last window that requires screen wakelock
WindowState mHoldScreenWindow = null;
// Last window that obscures all windows below
WindowState mObscuringWindow = null;
// Only set while traversing the default display based on its content.
// Affects the behavior of mirroring on secondary displays.
private boolean mObscureApplicationContentOnSecondaryDisplays = false;
private boolean mSustainedPerformanceModeEnabled = false;
private boolean mSustainedPerformanceModeCurrent = false;
// During an orientation change, we track whether all windows have rendered
// at the new orientation, and this will be false from changing orientation until that occurs.
// For seamless rotation cases this always stays true, as the windows complete their orientation
// changes 1 by 1 without disturbing global state.
boolean mOrientationChangeComplete = true;
boolean mWallpaperActionPending = false;
private final Handler mHandler;
private String mCloseSystemDialogsReason;
// The ID of the display which is responsible for receiving display-unspecified key and pointer
// events.
private int mTopFocusedDisplayId = INVALID_DISPLAY;
// Map from the PID to the top most app which has a focused window of the process.
final ArrayMap<Integer, ActivityRecord> mTopFocusedAppByProcess = new ArrayMap<>();
// Only a separate transaction until we separate the apply surface changes
// transaction from the global transaction.
private final SurfaceControl.Transaction mDisplayTransaction;
// The tag for the token to put root tasks on the displays to sleep.
private static final String DISPLAY_OFF_SLEEP_TOKEN_TAG = "Display-off";
/** The token acquirer to put root tasks on the displays to sleep */
final ActivityTaskManagerInternal.SleepTokenAcquirer mDisplayOffTokenAcquirer;
/**
* The modes which affect which tasks are returned when calling
* {@link RootWindowContainer#anyTaskForId(int)}.
*/
@Retention(RetentionPolicy.SOURCE)
@IntDef({
MATCH_ATTACHED_TASK_ONLY,
MATCH_ATTACHED_TASK_OR_RECENT_TASKS,
MATCH_ATTACHED_TASK_OR_RECENT_TASKS_AND_RESTORE
})
public @interface AnyTaskForIdMatchTaskMode {
}
// Match only tasks that are attached to the hierarchy
static final int MATCH_ATTACHED_TASK_ONLY = 0;
// Match either attached tasks, or in the recent tasks if the tasks are detached
static final int MATCH_ATTACHED_TASK_OR_RECENT_TASKS = 1;
// Match either attached tasks, or in the recent tasks, restoring it to the provided task id
static final int MATCH_ATTACHED_TASK_OR_RECENT_TASKS_AND_RESTORE = 2;
ActivityTaskManagerService mService;
ActivityTaskSupervisor mTaskSupervisor;
WindowManagerService mWindowManager;
DisplayManager mDisplayManager;
private DisplayManagerInternal mDisplayManagerInternal;
/** Reference to default display so we can quickly look it up. */
private DisplayContent mDefaultDisplay;
private final SparseArray<IntArray> mDisplayAccessUIDs = new SparseArray<>();
/** The current user */
int mCurrentUser;
/** Root task id of the front root task when user switched, indexed by userId. */
SparseIntArray mUserRootTaskInFront = new SparseIntArray(2);
/**
* A list of tokens that cause the top activity to be put to sleep.
* They are used by components that may hide and block interaction with underlying
* activities.
*/
final SparseArray<SleepToken> mSleepTokens = new SparseArray<>();
// The default minimal size that will be used if the activity doesn't specify its minimal size.
// It will be calculated when the default display gets added.
int mDefaultMinSizeOfResizeableTaskDp = -1;
// Whether tasks have moved and we need to rank the tasks before next OOM scoring
private boolean mTaskLayersChanged = true;
private int mTmpTaskLayerRank;
private final RankTaskLayersRunnable mRankTaskLayersRunnable = new RankTaskLayersRunnable();
private boolean mTmpBoolean;
private RemoteException mTmpRemoteException;
private String mDestroyAllActivitiesReason;
private final Runnable mDestroyAllActivitiesRunnable = new Runnable() {
@Override
public void run() {
synchronized (mService.mGlobalLock) {
try {
mTaskSupervisor.beginDeferResume();
final PooledConsumer c = PooledLambda.obtainConsumer(
RootWindowContainer::destroyActivity, RootWindowContainer.this,
PooledLambda.__(ActivityRecord.class));
forAllActivities(c);
c.recycle();
} finally {
mTaskSupervisor.endDeferResume();
resumeFocusedTasksTopActivities();
}
}
}
};
private final FindTaskResult mTmpFindTaskResult = new FindTaskResult();
static class FindTaskResult implements Function<Task, Boolean> {
ActivityRecord mIdealRecord;
ActivityRecord mCandidateRecord;
private int mActivityType;
private String mTaskAffinity;
private Intent mIntent;
private ActivityInfo mInfo;
private ComponentName cls;
private int userId;
private boolean isDocument;
private Uri documentData;
void init(int activityType, String taskAffinity, Intent intent, ActivityInfo info) {
mActivityType = activityType;
mTaskAffinity = taskAffinity;
mIntent = intent;
mInfo = info;
mIdealRecord = null;
mCandidateRecord = null;
}
/**
* Returns the top activity in any existing task matching the given Intent in the input
* result. Returns null if no such task is found.
*/
void process(WindowContainer parent) {
cls = mIntent.getComponent();
if (mInfo.targetActivity != null) {
cls = new ComponentName(mInfo.packageName, mInfo.targetActivity);
}
userId = UserHandle.getUserId(mInfo.applicationInfo.uid);
isDocument = mIntent != null & mIntent.isDocument();
// If documentData is non-null then it must match the existing task data.
documentData = isDocument ? mIntent.getData() : null;
ProtoLog.d(WM_DEBUG_TASKS, "Looking for task of %s in %s", mInfo,
parent);
parent.forAllLeafTasks(this);
}
@Override
public Boolean apply(Task task) {
if (!ConfigurationContainer.isCompatibleActivityType(mActivityType,
task.getActivityType())) {
ProtoLog.d(WM_DEBUG_TASKS, "Skipping task: (mismatch activity/task) %s", task);
return false;
}
if (task.voiceSession != null) {
// We never match voice sessions; those always run independently.
ProtoLog.d(WM_DEBUG_TASKS, "Skipping %s: voice session", task);
return false;
}
if (task.mUserId != userId) {
// Looking for a different task.
ProtoLog.d(WM_DEBUG_TASKS, "Skipping %s: different user", task);
return false;
}
if (matchingCandidate(task)) {
return true;
}
// Looking for the embedded tasks (if any)
return !task.isLeafTaskFragment() && task.forAllLeafTaskFragments(
this::matchingCandidate);
}
boolean matchingCandidate(TaskFragment taskFragment) {
final Task task = taskFragment.asTask();
if (task == null) {
return false;
}
// Overlays should not be considered as the task's logical top activity.
// Activities of the tasks that embedded from this one should not be used.
final ActivityRecord r = task.getTopNonFinishingActivity(false /* includeOverlays */,
false /* includingEmbeddedTask */);
if (r == null || r.finishing || r.mUserId != userId
|| r.launchMode == ActivityInfo.LAUNCH_SINGLE_INSTANCE) {
ProtoLog.d(WM_DEBUG_TASKS, "Skipping %s: mismatch root %s", task, r);
return false;
}
if (!ConfigurationContainer.isCompatibleActivityType(r.getActivityType(),
mActivityType)) {
ProtoLog.d(WM_DEBUG_TASKS, "Skipping %s: mismatch activity type", task);
return false;
}
final Intent taskIntent = task.intent;
final Intent affinityIntent = task.affinityIntent;
final boolean taskIsDocument;
final Uri taskDocumentData;
if (taskIntent != null && taskIntent.isDocument()) {
taskIsDocument = true;
taskDocumentData = taskIntent.getData();
} else if (affinityIntent != null && affinityIntent.isDocument()) {
taskIsDocument = true;
taskDocumentData = affinityIntent.getData();
} else {
taskIsDocument = false;
taskDocumentData = null;
}
ProtoLog.d(WM_DEBUG_TASKS, "Comparing existing cls=%s /aff=%s to new cls=%s /aff=%s",
r.getTask().rootAffinity, mIntent.getComponent().flattenToShortString(),
mInfo.taskAffinity, (task.realActivity != null
? task.realActivity.flattenToShortString() : ""));
// TODO Refactor to remove duplications. Check if logic can be simplified.
if (task.realActivity != null && task.realActivity.compareTo(cls) == 0
&& Objects.equals(documentData, taskDocumentData)) {
ProtoLog.d(WM_DEBUG_TASKS, "Found matching class!");
//dump();
ProtoLog.d(WM_DEBUG_TASKS, "For Intent %s bringing to top: %s", mIntent, r.intent);
mIdealRecord = r;
return true;
} else if (affinityIntent != null && affinityIntent.getComponent() != null
&& affinityIntent.getComponent().compareTo(cls) == 0 &&
Objects.equals(documentData, taskDocumentData)) {
ProtoLog.d(WM_DEBUG_TASKS, "Found matching class!");
ProtoLog.d(WM_DEBUG_TASKS, "For Intent %s bringing to top: %s", mIntent, r.intent);
mIdealRecord = r;
return true;
} else if (!isDocument && !taskIsDocument
&& mIdealRecord == null && mCandidateRecord == null
&& task.rootAffinity != null) {
if (task.rootAffinity.equals(mTaskAffinity)) {
ProtoLog.d(WM_DEBUG_TASKS, "Found matching affinity candidate!");
// It is possible for multiple tasks to have the same root affinity especially
// if they are in separate root tasks. We save off this candidate, but keep
// looking to see if there is a better candidate.
mCandidateRecord = r;
}
} else {
ProtoLog.d(WM_DEBUG_TASKS, "Not a match: %s", task);
}
return false;
}
}
private final Consumer<WindowState> mCloseSystemDialogsConsumer = w -> {
if (w.mHasSurface) {
try {
w.mClient.closeSystemDialogs(mCloseSystemDialogsReason);
} catch (RemoteException e) {
}
}
};
private static final Consumer<WindowState> sRemoveReplacedWindowsConsumer = w -> {
final ActivityRecord activity = w.mActivityRecord;
if (activity != null) {
activity.removeReplacedWindowIfNeeded(w);
}
};
RootWindowContainer(WindowManagerService service) {
super(service);
mDisplayTransaction = service.mTransactionFactory.get();
mHandler = new MyHandler(service.mH.getLooper());
mService = service.mAtmService;
mTaskSupervisor = mService.mTaskSupervisor;
mTaskSupervisor.mRootWindowContainer = this;
mDisplayOffTokenAcquirer = mService.new SleepTokenAcquirerImpl(DISPLAY_OFF_SLEEP_TOKEN_TAG);
}
boolean updateFocusedWindowLocked(int mode, boolean updateInputWindows) {
mTopFocusedAppByProcess.clear();
boolean changed = false;
int topFocusedDisplayId = INVALID_DISPLAY;
for (int i = mChildren.size() - 1; i >= 0; --i) {
final DisplayContent dc = mChildren.get(i);
changed |= dc.updateFocusedWindowLocked(mode, updateInputWindows, topFocusedDisplayId);
final WindowState newFocus = dc.mCurrentFocus;
if (newFocus != null) {
final int pidOfNewFocus = newFocus.mSession.mPid;
if (mTopFocusedAppByProcess.get(pidOfNewFocus) == null) {
mTopFocusedAppByProcess.put(pidOfNewFocus, newFocus.mActivityRecord);
}
if (topFocusedDisplayId == INVALID_DISPLAY) {
topFocusedDisplayId = dc.getDisplayId();
}
} else if (topFocusedDisplayId == INVALID_DISPLAY && dc.mFocusedApp != null) {
// The top-most display that has a focused app should still be the top focused
// display even when the app window is not ready yet (process not attached or
// window not added yet).
topFocusedDisplayId = dc.getDisplayId();
}
}
if (topFocusedDisplayId == INVALID_DISPLAY) {
topFocusedDisplayId = DEFAULT_DISPLAY;
}
if (mTopFocusedDisplayId != topFocusedDisplayId) {
mTopFocusedDisplayId = topFocusedDisplayId;
mWmService.mInputManager.setFocusedDisplay(topFocusedDisplayId);
mWmService.mPolicy.setTopFocusedDisplay(topFocusedDisplayId);
mWmService.mAccessibilityController.setFocusedDisplay(topFocusedDisplayId);
ProtoLog.d(WM_DEBUG_FOCUS_LIGHT, "New topFocusedDisplayId=%d", topFocusedDisplayId);
}
return changed;
}
DisplayContent getTopFocusedDisplayContent() {
final DisplayContent dc = getDisplayContent(mTopFocusedDisplayId);
return dc != null ? dc : getDisplayContent(DEFAULT_DISPLAY);
}
@Override
boolean isOnTop() {
// Considered always on top
return true;
}
@Override
void onChildPositionChanged(WindowContainer child) {
mWmService.updateFocusedWindowLocked(UPDATE_FOCUS_NORMAL,
!mWmService.mPerDisplayFocusEnabled /* updateInputWindows */);
mTaskSupervisor.updateTopResumedActivityIfNeeded();
}
@Override
boolean isAttached() {
return true;
}
/**
* Called when DisplayWindowSettings values may change.
*/
void onSettingsRetrieved() {
final int numDisplays = mChildren.size();
for (int displayNdx = 0; displayNdx < numDisplays; ++displayNdx) {
final DisplayContent displayContent = mChildren.get(displayNdx);
final boolean changed = mWmService.mDisplayWindowSettings.updateSettingsForDisplay(
displayContent);
if (!changed) {
continue;
}
displayContent.reconfigureDisplayLocked();
// We need to update global configuration as well if config of default display has
// changed. Do it inline because ATMS#retrieveSettings() will soon update the
// configuration inline, which will overwrite the new windowing mode.
if (displayContent.isDefaultDisplay) {
final Configuration newConfig = mWmService.computeNewConfiguration(
displayContent.getDisplayId());
mWmService.mAtmService.updateConfigurationLocked(newConfig, null /* starting */,
false /* initLocale */);
}
}
}
boolean isLayoutNeeded() {
final int numDisplays = mChildren.size();
for (int displayNdx = 0; displayNdx < numDisplays; ++displayNdx) {
final DisplayContent displayContent = mChildren.get(displayNdx);
if (displayContent.isLayoutNeeded()) {
return true;
}
}
return false;
}
void getWindowsByName(ArrayList<WindowState> output, String name) {
int objectId = 0;
// See if this is an object ID.
try {
objectId = Integer.parseInt(name, 16);
name = null;
} catch (RuntimeException e) {
}
getWindowsByName(output, name, objectId);
}
private void getWindowsByName(ArrayList<WindowState> output, String name, int objectId) {
forAllWindows((w) -> {
if (name != null) {
if (w.mAttrs.getTitle().toString().contains(name)) {
output.add(w);
}
} else if (System.identityHashCode(w) == objectId) {
output.add(w);
}
}, true /* traverseTopToBottom */);
}
/**
* Returns the app window token for the input binder if it exist in the system.
* NOTE: Only one AppWindowToken is allowed to exist in the system for a binder token, since
* AppWindowToken represents an activity which can only exist on one display.
*/
ActivityRecord getActivityRecord(IBinder binder) {
for (int i = mChildren.size() - 1; i >= 0; --i) {
final DisplayContent dc = mChildren.get(i);
final ActivityRecord activity = dc.getActivityRecord(binder);
if (activity != null) {
return activity;
}
}
return null;
}
/** Returns the window token for the input binder if it exist in the system. */
WindowToken getWindowToken(IBinder binder) {
for (int i = mChildren.size() - 1; i >= 0; --i) {
final DisplayContent dc = mChildren.get(i);
final WindowToken wtoken = dc.getWindowToken(binder);
if (wtoken != null) {
return wtoken;
}
}
return null;
}
/** Returns the display object the input window token is currently mapped on. */
DisplayContent getWindowTokenDisplay(WindowToken token) {
if (token == null) {
return null;
}
for (int i = mChildren.size() - 1; i >= 0; --i) {
final DisplayContent dc = mChildren.get(i);
final WindowToken current = dc.getWindowToken(token.token);
if (current == token) {
return dc;
}
}
return null;
}
/**
* Set new display override config. If called for the default display, global configuration
* will also be updated.
*/
void setDisplayOverrideConfigurationIfNeeded(Configuration newConfiguration,
@NonNull DisplayContent displayContent) {
final Configuration currentConfig = displayContent.getRequestedOverrideConfiguration();
final boolean configChanged = currentConfig.diff(newConfiguration) != 0;
if (!configChanged) {
return;
}
displayContent.onRequestedOverrideConfigurationChanged(newConfiguration);
if (displayContent.getDisplayId() == DEFAULT_DISPLAY) {
// Override configuration of the default display duplicates global config. In this case
// we also want to update the global config.
setGlobalConfigurationIfNeeded(newConfiguration);
}
}
private void setGlobalConfigurationIfNeeded(Configuration newConfiguration) {
final boolean configChanged = getConfiguration().diff(newConfiguration) != 0;
if (!configChanged) {
return;
}
onConfigurationChanged(newConfiguration);
}
@Override
void dispatchConfigurationToChild(DisplayContent child, Configuration config) {
if (child.isDefaultDisplay) {
// The global configuration is also the override configuration of default display.
child.performDisplayOverrideConfigUpdate(config);
} else {
child.onConfigurationChanged(config);
}
}
void setSecureSurfaceState(int userId) {
forAllWindows((w) -> {
if (w.mHasSurface && userId == w.mShowUserId) {
w.mWinAnimator.setSecureLocked(w.isSecureLocked());
}
}, true /* traverseTopToBottom */);
}
void updateHiddenWhileSuspendedState(final ArraySet<String> packages, final boolean suspended) {
forAllWindows((w) -> {
if (packages.contains(w.getOwningPackage())) {
w.setHiddenWhileSuspended(suspended);
}
}, false);
}
void updateAppOpsState() {
forAllWindows((w) -> {
w.updateAppOpsState();
}, false /* traverseTopToBottom */);
}
boolean canShowStrictModeViolation(int pid) {
final WindowState win = getWindow((w) -> w.mSession.mPid == pid && w.isVisible());
return win != null;
}
void closeSystemDialogs(String reason) {
mCloseSystemDialogsReason = reason;
forAllWindows(mCloseSystemDialogsConsumer, false /* traverseTopToBottom */);
}
void removeReplacedWindows() {
ProtoLog.i(WM_SHOW_TRANSACTIONS, ">>> OPEN TRANSACTION removeReplacedWindows");
mWmService.openSurfaceTransaction();
try {
forAllWindows(sRemoveReplacedWindowsConsumer, true /* traverseTopToBottom */);
} finally {
mWmService.closeSurfaceTransaction("removeReplacedWindows");
ProtoLog.i(WM_SHOW_TRANSACTIONS, "<<< CLOSE TRANSACTION removeReplacedWindows");
}
}
boolean hasPendingLayoutChanges(WindowAnimator animator) {
boolean hasChanges = false;
final int count = mChildren.size();
for (int i = 0; i < count; ++i) {
final int pendingChanges = mChildren.get(i).pendingLayoutChanges;
if ((pendingChanges & FINISH_LAYOUT_REDO_WALLPAPER) != 0) {
animator.mBulkUpdateParams |= SET_WALLPAPER_ACTION_PENDING;
}
if (pendingChanges != 0) {
hasChanges = true;
}
}
return hasChanges;
}
boolean reclaimSomeSurfaceMemory(WindowStateAnimator winAnimator, String operation,
boolean secure) {
final WindowSurfaceController surfaceController = winAnimator.mSurfaceController;
boolean leakedSurface = false;
boolean killedApps = false;
EventLogTags.writeWmNoSurfaceMemory(winAnimator.mWin.toString(),
winAnimator.mSession.mPid, operation);
final long callingIdentity = Binder.clearCallingIdentity();
try {
// There was some problem...first, do a validity check of the window list to make sure
// we haven't left any dangling surfaces around.
Slog.i(TAG_WM, "Out of memory for surface! Looking for leaks...");
final int numDisplays = mChildren.size();
for (int displayNdx = 0; displayNdx < numDisplays; ++displayNdx) {
leakedSurface |= mChildren.get(displayNdx).destroyLeakedSurfaces();
}
if (!leakedSurface) {
Slog.w(TAG_WM, "No leaked surfaces; killing applications!");
final SparseIntArray pidCandidates = new SparseIntArray();
for (int displayNdx = 0; displayNdx < numDisplays; ++displayNdx) {
mChildren.get(displayNdx).forAllWindows((w) -> {
if (mWmService.mForceRemoves.contains(w)) {
return;
}
final WindowStateAnimator wsa = w.mWinAnimator;
if (wsa.mSurfaceController != null) {
pidCandidates.append(wsa.mSession.mPid, wsa.mSession.mPid);
}
}, false /* traverseTopToBottom */);
if (pidCandidates.size() > 0) {
int[] pids = new int[pidCandidates.size()];
for (int i = 0; i < pids.length; i++) {
pids[i] = pidCandidates.keyAt(i);
}
try {
if (mWmService.mActivityManager.killPids(pids, "Free memory", secure)) {
killedApps = true;
}
} catch (RemoteException e) {
}
}
}
}
if (leakedSurface || killedApps) {
// We managed to reclaim some memory, so get rid of the trouble surface and ask the
// app to request another one.
Slog.w(TAG_WM,
"Looks like we have reclaimed some memory, clearing surface for retry.");
if (surfaceController != null) {
ProtoLog.i(WM_SHOW_SURFACE_ALLOC,
"SURFACE RECOVER DESTROY: %s", winAnimator.mWin);
SurfaceControl.Transaction t = mWmService.mTransactionFactory.get();
winAnimator.destroySurface(t);
t.apply();
if (winAnimator.mWin.mActivityRecord != null) {
winAnimator.mWin.mActivityRecord.removeStartingWindow();
}
}
try {
winAnimator.mWin.mClient.dispatchGetNewSurface();
} catch (RemoteException e) {
}
}
} finally {
Binder.restoreCallingIdentity(callingIdentity);
}
return leakedSurface || killedApps;
}
void performSurfacePlacement() {
Trace.traceBegin(TRACE_TAG_WINDOW_MANAGER, "performSurfacePlacement");
try {
performSurfacePlacementNoTrace();
} finally {
Trace.traceEnd(TRACE_TAG_WINDOW_MANAGER);
}
}
// "Something has changed! Let's make it correct now."
// TODO: Super long method that should be broken down...
void performSurfacePlacementNoTrace() {
if (DEBUG_WINDOW_TRACE) {
Slog.v(TAG, "performSurfacePlacementInner: entry. Called by "
+ Debug.getCallers(3));
}
int i;
if (mWmService.mFocusMayChange) {
mWmService.mFocusMayChange = false;
mWmService.updateFocusedWindowLocked(
UPDATE_FOCUS_WILL_PLACE_SURFACES, false /*updateInputWindows*/);
}
// Initialize state of exiting tokens.
for (int displayNdx = 0; displayNdx < mChildren.size(); ++displayNdx) {
final DisplayContent displayContent = mChildren.get(displayNdx);
displayContent.setExitingTokensHasVisible(false);
}
mHoldScreen = null;
mScreenBrightnessOverride = PowerManager.BRIGHTNESS_INVALID_FLOAT;
mUserActivityTimeout = -1;
mObscureApplicationContentOnSecondaryDisplays = false;
mSustainedPerformanceModeCurrent = false;
mWmService.mTransactionSequence++;
// TODO(multi-display): recents animation & wallpaper need support multi-display.
final DisplayContent defaultDisplay = mWmService.getDefaultDisplayContentLocked();
final WindowSurfacePlacer surfacePlacer = mWmService.mWindowPlacerLocked;
if (SHOW_LIGHT_TRANSACTIONS) {
Slog.i(TAG,
">>> OPEN TRANSACTION performLayoutAndPlaceSurfaces");
}
Trace.traceBegin(TRACE_TAG_WINDOW_MANAGER, "applySurfaceChanges");
mWmService.openSurfaceTransaction();
try {
applySurfaceChangesTransaction();
} catch (RuntimeException e) {
Slog.wtf(TAG, "Unhandled exception in Window Manager", e);
} finally {
mWmService.closeSurfaceTransaction("performLayoutAndPlaceSurfaces");
Trace.traceEnd(TRACE_TAG_WINDOW_MANAGER);
if (SHOW_LIGHT_TRANSACTIONS) {
Slog.i(TAG,
"<<< CLOSE TRANSACTION performLayoutAndPlaceSurfaces");
}
}
// Send any pending task-info changes that were queued-up during a layout deferment
mWmService.mAtmService.mTaskOrganizerController.dispatchPendingEvents();
mWmService.mAtmService.mTaskFragmentOrganizerController.dispatchPendingEvents();
mWmService.mSyncEngine.onSurfacePlacement();
mWmService.mAnimator.executeAfterPrepareSurfacesRunnables();
checkAppTransitionReady(surfacePlacer);
// Defer starting the recents animation until the wallpaper has drawn
final RecentsAnimationController recentsAnimationController =
mWmService.getRecentsAnimationController();
if (recentsAnimationController != null) {
recentsAnimationController.checkAnimationReady(defaultDisplay.mWallpaperController);
}
for (int displayNdx = 0; displayNdx < mChildren.size(); ++displayNdx) {
final DisplayContent displayContent = mChildren.get(displayNdx);
if (displayContent.mWallpaperMayChange) {
ProtoLog.v(WM_DEBUG_WALLPAPER, "Wallpaper may change! Adjusting");
displayContent.pendingLayoutChanges |= FINISH_LAYOUT_REDO_WALLPAPER;
if (DEBUG_LAYOUT_REPEATS) {
surfacePlacer.debugLayoutRepeats("WallpaperMayChange",
displayContent.pendingLayoutChanges);
}
}
}
if (mWmService.mFocusMayChange) {
mWmService.mFocusMayChange = false;
mWmService.updateFocusedWindowLocked(UPDATE_FOCUS_PLACING_SURFACES,
false /*updateInputWindows*/);
}
if (isLayoutNeeded()) {
defaultDisplay.pendingLayoutChanges |= FINISH_LAYOUT_REDO_LAYOUT;
if (DEBUG_LAYOUT_REPEATS) {
surfacePlacer.debugLayoutRepeats("mLayoutNeeded",
defaultDisplay.pendingLayoutChanges);
}
}
handleResizingWindows();
if (mWmService.mDisplayFrozen) {
ProtoLog.v(WM_DEBUG_ORIENTATION,
"With display frozen, orientationChangeComplete=%b",
mOrientationChangeComplete);
}
if (mOrientationChangeComplete) {
if (mWmService.mWindowsFreezingScreen != WINDOWS_FREEZING_SCREENS_NONE) {
mWmService.mWindowsFreezingScreen = WINDOWS_FREEZING_SCREENS_NONE;
mWmService.mLastFinishedFreezeSource = mLastWindowFreezeSource;
mWmService.mH.removeMessages(WINDOW_FREEZE_TIMEOUT);
}
mWmService.stopFreezingDisplayLocked();
}
// Destroy the surface of any windows that are no longer visible.
i = mWmService.mDestroySurface.size();
if (i > 0) {
do {
i--;
WindowState win = mWmService.mDestroySurface.get(i);
win.mDestroying = false;
final DisplayContent displayContent = win.getDisplayContent();
if (displayContent.mInputMethodWindow == win) {
displayContent.setInputMethodWindowLocked(null);
}
if (displayContent.mWallpaperController.isWallpaperTarget(win)) {
displayContent.pendingLayoutChanges |= FINISH_LAYOUT_REDO_WALLPAPER;
}
win.destroySurfaceUnchecked();
} while (i > 0);
mWmService.mDestroySurface.clear();
}
// Time to remove any exiting tokens?
for (int displayNdx = mChildren.size() - 1; displayNdx >= 0; --displayNdx) {
final DisplayContent displayContent = mChildren.get(displayNdx);
displayContent.removeExistingTokensIfPossible();
}
for (int displayNdx = 0; displayNdx < mChildren.size(); ++displayNdx) {
final DisplayContent displayContent = mChildren.get(displayNdx);
if (displayContent.pendingLayoutChanges != 0) {
displayContent.setLayoutNeeded();
}
}
mWmService.setHoldScreenLocked(mHoldScreen);
if (!mWmService.mDisplayFrozen) {
final float brightnessOverride = mScreenBrightnessOverride < PowerManager.BRIGHTNESS_MIN
|| mScreenBrightnessOverride > PowerManager.BRIGHTNESS_MAX
? PowerManager.BRIGHTNESS_INVALID_FLOAT : mScreenBrightnessOverride;
int brightnessFloatAsIntBits = Float.floatToIntBits(brightnessOverride);
// Post these on a handler such that we don't call into power manager service while
// holding the window manager lock to avoid lock contention with power manager lock.
mHandler.obtainMessage(SET_SCREEN_BRIGHTNESS_OVERRIDE, brightnessFloatAsIntBits,
0).sendToTarget();
mHandler.obtainMessage(SET_USER_ACTIVITY_TIMEOUT, mUserActivityTimeout).sendToTarget();
}
if (mSustainedPerformanceModeCurrent != mSustainedPerformanceModeEnabled) {
mSustainedPerformanceModeEnabled = mSustainedPerformanceModeCurrent;
mWmService.mPowerManagerInternal.setPowerMode(
Mode.SUSTAINED_PERFORMANCE,
mSustainedPerformanceModeEnabled);
}
if (mUpdateRotation) {
ProtoLog.d(WM_DEBUG_ORIENTATION, "Performing post-rotate rotation");
mUpdateRotation = updateRotationUnchecked();
}
if (!mWmService.mWaitingForDrawnCallbacks.isEmpty()
|| (mOrientationChangeComplete && !isLayoutNeeded()
&& !mUpdateRotation)) {
mWmService.checkDrawnWindowsLocked();
}
final int N = mWmService.mPendingRemove.size();
if (N > 0) {
if (mWmService.mPendingRemoveTmp.length < N) {
mWmService.mPendingRemoveTmp = new WindowState[N + 10];
}
mWmService.mPendingRemove.toArray(mWmService.mPendingRemoveTmp);
mWmService.mPendingRemove.clear();
ArrayList<DisplayContent> displayList = new ArrayList();
for (i = 0; i < N; i++) {
final WindowState w = mWmService.mPendingRemoveTmp[i];
w.removeImmediately();
final DisplayContent displayContent = w.getDisplayContent();
if (displayContent != null && !displayList.contains(displayContent)) {
displayList.add(displayContent);
}
}
for (int j = displayList.size() - 1; j >= 0; --j) {
final DisplayContent dc = displayList.get(j);
dc.assignWindowLayers(true /*setLayoutNeeded*/);
}
}
forAllDisplays(dc -> {
dc.getInputMonitor().updateInputWindowsLw(true /*force*/);
dc.updateSystemGestureExclusion();
dc.updateTouchExcludeRegion();
});
// Check to see if we are now in a state where the screen should
// be enabled, because the window obscured flags have changed.
mWmService.enableScreenIfNeededLocked();
mWmService.scheduleAnimationLocked();
if (DEBUG_WINDOW_TRACE) Slog.e(TAG, "performSurfacePlacementInner exit");
}
private void checkAppTransitionReady(WindowSurfacePlacer surfacePlacer) {
// Trace all displays app transition by Z-order for pending layout change.
for (int i = mChildren.size() - 1; i >= 0; --i) {
final DisplayContent curDisplay = mChildren.get(i);
// If we are ready to perform an app transition, check through all of the app tokens
// to be shown and see if they are ready to go.
if (curDisplay.mAppTransition.isReady()) {
// handleAppTransitionReady may modify curDisplay.pendingLayoutChanges.
curDisplay.mAppTransitionController.handleAppTransitionReady();
if (DEBUG_LAYOUT_REPEATS) {
surfacePlacer.debugLayoutRepeats("after handleAppTransitionReady",
curDisplay.pendingLayoutChanges);
}
}
if (curDisplay.mAppTransition.isRunning() && !curDisplay.isAppTransitioning()) {
// We have finished the animation of an app transition. To do this, we have
// delayed a lot of operations like showing and hiding apps, moving apps in
// Z-order, etc.
// The app token list reflects the correct Z-order, but the window list may now
// be out of sync with it. So here we will just rebuild the entire app window
// list. Fun!
curDisplay.handleAnimatingStoppedAndTransition();
if (DEBUG_LAYOUT_REPEATS) {
surfacePlacer.debugLayoutRepeats("after handleAnimStopAndXitionLock",
curDisplay.pendingLayoutChanges);
}
}
}
}
private void applySurfaceChangesTransaction() {
mHoldScreenWindow = null;
mObscuringWindow = null;
// TODO(multi-display): Support these features on secondary screens.
final DisplayContent defaultDc = mWmService.getDefaultDisplayContentLocked();
final DisplayInfo defaultInfo = defaultDc.getDisplayInfo();
final int defaultDw = defaultInfo.logicalWidth;
final int defaultDh = defaultInfo.logicalHeight;
if (mWmService.mWatermark != null) {
mWmService.mWatermark.positionSurface(defaultDw, defaultDh, mDisplayTransaction);
}
if (mWmService.mStrictModeFlash != null) {
mWmService.mStrictModeFlash.positionSurface(defaultDw, defaultDh, mDisplayTransaction);
}
if (mWmService.mEmulatorDisplayOverlay != null) {
mWmService.mEmulatorDisplayOverlay.positionSurface(defaultDw, defaultDh,
mWmService.getDefaultDisplayRotation(), mDisplayTransaction);
}
final int count = mChildren.size();
for (int j = 0; j < count; ++j) {
final DisplayContent dc = mChildren.get(j);
dc.applySurfaceChangesTransaction();
}
// Give the display manager a chance to adjust properties like display rotation if it needs
// to.
mWmService.mDisplayManagerInternal.performTraversal(mDisplayTransaction);
SurfaceControl.mergeToGlobalTransaction(mDisplayTransaction);
}
/**
* Handles resizing windows during surface placement.
*/
private void handleResizingWindows() {
for (int i = mWmService.mResizingWindows.size() - 1; i >= 0; i--) {
WindowState win = mWmService.mResizingWindows.get(i);
if (win.mAppFreezing || win.getDisplayContent().mWaitingForConfig) {
// Don't remove this window until rotation has completed and is not waiting for the
// complete configuration.
continue;
}
win.reportResized();
mWmService.mResizingWindows.remove(i);
}
}
/**
* @param w WindowState this method is applied to.
* @param obscured True if there is a window on top of this obscuring the display.
* @param syswin System window?
* @return True when the display contains content to show the user. When false, the display
* manager may choose to mirror or blank the display.
*/
boolean handleNotObscuredLocked(WindowState w, boolean obscured, boolean syswin) {
final WindowManager.LayoutParams attrs = w.mAttrs;
final int attrFlags = attrs.flags;
final boolean onScreen = w.isOnScreen();
final boolean canBeSeen = w.isDisplayed();
final int privateflags = attrs.privateFlags;
boolean displayHasContent = false;
ProtoLog.d(WM_DEBUG_KEEP_SCREEN_ON,
"handleNotObscuredLocked w: %s, w.mHasSurface: %b, w.isOnScreen(): %b, w"
+ ".isDisplayedLw(): %b, w.mAttrs.userActivityTimeout: %d",
w, w.mHasSurface, onScreen, w.isDisplayed(), w.mAttrs.userActivityTimeout);
if (w.mHasSurface && onScreen) {
if (!syswin && w.mAttrs.userActivityTimeout >= 0 && mUserActivityTimeout < 0) {
mUserActivityTimeout = w.mAttrs.userActivityTimeout;
ProtoLog.d(WM_DEBUG_KEEP_SCREEN_ON, "mUserActivityTimeout set to %d",
mUserActivityTimeout);
}
}
if (w.mHasSurface && canBeSeen) {
if ((attrFlags & FLAG_KEEP_SCREEN_ON) != 0) {
mHoldScreen = w.mSession;
mHoldScreenWindow = w;
} else if (w == mWmService.mLastWakeLockHoldingWindow) {
ProtoLog.d(WM_DEBUG_KEEP_SCREEN_ON,
"handleNotObscuredLocked: %s was holding screen wakelock but no longer "
+ "has FLAG_KEEP_SCREEN_ON!!! called by%s",
w, Debug.getCallers(10));
}
if (!syswin && w.mAttrs.screenBrightness >= 0
&& Float.isNaN(mScreenBrightnessOverride)) {
mScreenBrightnessOverride = w.mAttrs.screenBrightness;
}
final int type = attrs.type;
// This function assumes that the contents of the default display are processed first
// before secondary displays.
final DisplayContent displayContent = w.getDisplayContent();
if (displayContent != null && displayContent.isDefaultDisplay) {
// While a dream or keyguard is showing, obscure ordinary application content on
// secondary displays (by forcibly enabling mirroring unless there is other content
// we want to show) but still allow opaque keyguard dialogs to be shown.
if (w.isDreamWindow() || mWmService.mPolicy.isKeyguardShowing()) {
mObscureApplicationContentOnSecondaryDisplays = true;
}
displayHasContent = true;
} else if (displayContent != null &&
(!mObscureApplicationContentOnSecondaryDisplays
|| (obscured && type == TYPE_KEYGUARD_DIALOG))) {
// Allow full screen keyguard presentation dialogs to be seen.
displayHasContent = true;
}
if ((privateflags & PRIVATE_FLAG_SUSTAINED_PERFORMANCE_MODE) != 0) {
mSustainedPerformanceModeCurrent = true;
}
}
return displayHasContent;
}
boolean updateRotationUnchecked() {
boolean changed = false;
for (int i = mChildren.size() - 1; i >= 0; i--) {
if (mChildren.get(i).getDisplayRotation().updateRotationAndSendNewConfigIfChanged()) {
changed = true;
}
}
return changed;
}
boolean copyAnimToLayoutParams() {
boolean doRequest = false;
final int bulkUpdateParams = mWmService.mAnimator.mBulkUpdateParams;
if ((bulkUpdateParams & SET_UPDATE_ROTATION) != 0) {
mUpdateRotation = true;
doRequest = true;
}
if (mOrientationChangeComplete) {
mLastWindowFreezeSource = mWmService.mAnimator.mLastWindowFreezeSource;
if (mWmService.mWindowsFreezingScreen != WINDOWS_FREEZING_SCREENS_NONE) {
doRequest = true;
}
}
if ((bulkUpdateParams & SET_WALLPAPER_ACTION_PENDING) != 0) {
mWallpaperActionPending = true;
}
return doRequest;
}
private final class MyHandler extends Handler {
public MyHandler(Looper looper) {
super(looper);
}
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
case SET_SCREEN_BRIGHTNESS_OVERRIDE:
mWmService.mPowerManagerInternal.setScreenBrightnessOverrideFromWindowManager(
Float.intBitsToFloat(msg.arg1));
break;
case SET_USER_ACTIVITY_TIMEOUT:
mWmService.mPowerManagerInternal.
setUserActivityTimeoutOverrideFromWindowManager((Long) msg.obj);
break;
default:
break;
}
}
}
void dumpDisplayContents(PrintWriter pw) {
pw.println("WINDOW MANAGER DISPLAY CONTENTS (dumpsys window displays)");
if (mWmService.mDisplayReady) {
final int count = mChildren.size();
for (int i = 0; i < count; ++i) {
final DisplayContent displayContent = mChildren.get(i);
displayContent.dump(pw, " ", true /* dumpAll */);
}
} else {
pw.println(" NO DISPLAY");
}
}
void dumpTopFocusedDisplayId(PrintWriter pw) {
pw.print(" mTopFocusedDisplayId=");
pw.println(mTopFocusedDisplayId);
}
void dumpDefaultMinSizeOfResizableTask(PrintWriter pw) {
pw.print(" mDefaultMinSizeOfResizeableTaskDp=");
pw.println(mDefaultMinSizeOfResizeableTaskDp);
}
void dumpLayoutNeededDisplayIds(PrintWriter pw) {
if (!isLayoutNeeded()) {
return;
}
pw.print(" mLayoutNeeded on displays=");
final int count = mChildren.size();
for (int displayNdx = 0; displayNdx < count; ++displayNdx) {
final DisplayContent displayContent = mChildren.get(displayNdx);
if (displayContent.isLayoutNeeded()) {
pw.print(displayContent.getDisplayId());
}
}
pw.println();
}
void dumpWindowsNoHeader(PrintWriter pw, boolean dumpAll, ArrayList<WindowState> windows) {
final int[] index = new int[1];
forAllWindows((w) -> {
if (windows == null || windows.contains(w)) {
pw.println(" Window #" + index[0] + " " + w + ":");
w.dump(pw, " ", dumpAll || windows != null);
index[0] = index[0] + 1;
}
}, true /* traverseTopToBottom */);
}
void dumpTokens(PrintWriter pw, boolean dumpAll) {
pw.println(" All tokens:");
for (int i = mChildren.size() - 1; i >= 0; --i) {
mChildren.get(i).dumpTokens(pw, dumpAll);
}
}
@Override
public void dumpDebug(ProtoOutputStream proto, long fieldId,
@WindowTraceLogLevel int logLevel) {
if (logLevel == WindowTraceLogLevel.CRITICAL && !isVisible()) {
return;
}
final long token = proto.start(fieldId);
super.dumpDebug(proto, WINDOW_CONTAINER, logLevel);
mTaskSupervisor.getKeyguardController().dumpDebug(proto, KEYGUARD_CONTROLLER);
proto.write(IS_HOME_RECENTS_COMPONENT,
mTaskSupervisor.mRecentTasks.isRecentsComponentHomeActivity(mCurrentUser));
proto.write(DEFAULT_MIN_SIZE_RESIZABLE_TASK, mDefaultMinSizeOfResizeableTaskDp);
proto.end(token);
}
@Override
String getName() {
return "ROOT";
}
@Override
void scheduleAnimation() {
mWmService.scheduleAnimationLocked();
}
@Override
protected void removeChild(DisplayContent dc) {
super.removeChild(dc);
if (mTopFocusedDisplayId == dc.getDisplayId()) {
mWmService.updateFocusedWindowLocked(
UPDATE_FOCUS_NORMAL, true /* updateInputWindows */);
}
}
/**
* For all display at or below this call the callback.
*
* @param callback Callback to be called for every display.
*/
void forAllDisplays(Consumer<DisplayContent> callback) {
for (int i = mChildren.size() - 1; i >= 0; --i) {
callback.accept(mChildren.get(i));
}
}
void forAllDisplayPolicies(Consumer<DisplayPolicy> callback) {
for (int i = mChildren.size() - 1; i >= 0; --i) {
callback.accept(mChildren.get(i).getDisplayPolicy());
}
}
/**
* Get current topmost focused IME window in system.
* Will look on all displays in current Z-order.
*/
WindowState getCurrentInputMethodWindow() {
for (int i = mChildren.size() - 1; i >= 0; --i) {
final DisplayContent displayContent = mChildren.get(i);
if (displayContent.mInputMethodWindow != null) {
return displayContent.mInputMethodWindow;
}
}
return null;
}
void getDisplayContextsWithNonToastVisibleWindows(int pid, List<Context> outContexts) {
if (outContexts == null) {
return;
}
for (int i = mChildren.size() - 1; i >= 0; --i) {
DisplayContent dc = mChildren.get(i);
if (dc.getWindow(w -> pid == w.mSession.mPid && w.isVisibleNow()
&& w.mAttrs.type != WindowManager.LayoutParams.TYPE_TOAST) != null) {
outContexts.add(dc.getDisplayUiContext());
}
}
}
@Nullable
Context getDisplayUiContext(int displayId) {
return getDisplayContent(displayId) != null
? getDisplayContent(displayId).getDisplayUiContext() : null;
}
void setWindowManager(WindowManagerService wm) {
mWindowManager = wm;
mDisplayManager = mService.mContext.getSystemService(DisplayManager.class);
mDisplayManager.registerDisplayListener(this, mService.mUiHandler);
mDisplayManagerInternal = LocalServices.getService(DisplayManagerInternal.class);
final Display[] displays = mDisplayManager.getDisplays();
for (int displayNdx = 0; displayNdx < displays.length; ++displayNdx) {
final Display display = displays[displayNdx];
final DisplayContent displayContent = new DisplayContent(display, this);
addChild(displayContent, POSITION_BOTTOM);
if (displayContent.mDisplayId == DEFAULT_DISPLAY) {
mDefaultDisplay = displayContent;
}
}
calculateDefaultMinimalSizeOfResizeableTasks();
final TaskDisplayArea defaultTaskDisplayArea = getDefaultTaskDisplayArea();
defaultTaskDisplayArea.getOrCreateRootHomeTask(ON_TOP);
positionChildAt(POSITION_TOP, defaultTaskDisplayArea.mDisplayContent,
false /* includingParents */);
}
// TODO(multi-display): Look at all callpoints to make sure they make sense in multi-display.
DisplayContent getDefaultDisplay() {
return mDefaultDisplay;
}
/**
* Get the default display area on the device dedicated to app windows. This one should be used
* only as a fallback location for activity launches when no target display area is specified,
* or for cases when multi-instance is not supported yet (like Split-screen, Freeform, PiP or
* Recents).
*/
TaskDisplayArea getDefaultTaskDisplayArea() {
return mDefaultDisplay.getDefaultTaskDisplayArea();
}
/**
* Get an existing instance of {@link DisplayContent} that has the given uniqueId. Unique ID is
* defined in {@link DisplayInfo#uniqueId}.
*
* @param uniqueId the unique ID of the display
* @return the {@link DisplayContent} or {@code null} if nothing is found.
*/
DisplayContent getDisplayContent(String uniqueId) {
for (int i = getChildCount() - 1; i >= 0; --i) {
final DisplayContent display = getChildAt(i);
final boolean isValid = display.mDisplay.isValid();
if (isValid && display.mDisplay.getUniqueId().equals(uniqueId)) {
return display;
}
}
return null;
}
// TODO: Look into consolidating with getDisplayContentOrCreate()
DisplayContent getDisplayContent(int displayId) {
for (int i = getChildCount() - 1; i >= 0; --i) {
final DisplayContent displayContent = getChildAt(i);
if (displayContent.mDisplayId == displayId) {
return displayContent;
}
}
return null;
}
/**
* Get an existing instance of {@link DisplayContent} or create new if there is a
* corresponding record in display manager.
*/
// TODO: Look into consolidating with getDisplayContent()
@Nullable
DisplayContent getDisplayContentOrCreate(int displayId) {
DisplayContent displayContent = getDisplayContent(displayId);
if (displayContent != null) {
return displayContent;
}
if (mDisplayManager == null) {
// The system isn't fully initialized yet.
return null;
}
final Display display = mDisplayManager.getDisplay(displayId);
if (display == null) {
// The display is not registered in DisplayManager.
return null;
}
// The display hasn't been added to ActivityManager yet, create a new record now.
displayContent = new DisplayContent(display, this);
addChild(displayContent, POSITION_BOTTOM);
return displayContent;
}
ActivityRecord getDefaultDisplayHomeActivityForUser(int userId) {
return getDefaultTaskDisplayArea().getHomeActivityForUser(userId);
}
boolean startHomeOnAllDisplays(int userId, String reason) {
boolean homeStarted = false;
for (int i = getChildCount() - 1; i >= 0; i--) {
final int displayId = getChildAt(i).mDisplayId;
homeStarted |= startHomeOnDisplay(userId, reason, displayId);
}
return homeStarted;
}
void startHomeOnEmptyDisplays(String reason) {
forAllTaskDisplayAreas(taskDisplayArea -> {
if (taskDisplayArea.topRunningActivity() == null) {
startHomeOnTaskDisplayArea(mCurrentUser, reason, taskDisplayArea,
false /* allowInstrumenting */, false /* fromHomeKey */);
}
});
}
boolean startHomeOnDisplay(int userId, String reason, int displayId) {
return startHomeOnDisplay(userId, reason, displayId, false /* allowInstrumenting */,
false /* fromHomeKey */);
}
boolean startHomeOnDisplay(int userId, String reason, int displayId, boolean allowInstrumenting,
boolean fromHomeKey) {
// Fallback to top focused display or default display if the displayId is invalid.
if (displayId == INVALID_DISPLAY) {
final Task rootTask = getTopDisplayFocusedRootTask();
displayId = rootTask != null ? rootTask.getDisplayId() : DEFAULT_DISPLAY;
}
final DisplayContent display = getDisplayContent(displayId);
return display.reduceOnAllTaskDisplayAreas((taskDisplayArea, result) ->
result | startHomeOnTaskDisplayArea(userId, reason, taskDisplayArea,
allowInstrumenting, fromHomeKey),
false /* initValue */);
}
/**
* This starts home activity on display areas that can have system decorations based on
* displayId - default display area always uses primary home component.
* For secondary display areas, the home activity must have category SECONDARY_HOME and then
* resolves according to the priorities listed below.
* - If default home is not set, always use the secondary home defined in the config.
* - Use currently selected primary home activity.
* - Use the activity in the same package as currently selected primary home activity.
* If there are multiple activities matched, use first one.
* - Use the secondary home defined in the config.
*/
boolean startHomeOnTaskDisplayArea(int userId, String reason, TaskDisplayArea taskDisplayArea,
boolean allowInstrumenting, boolean fromHomeKey) {
// Fallback to top focused display area if the provided one is invalid.
if (taskDisplayArea == null) {
final Task rootTask = getTopDisplayFocusedRootTask();
taskDisplayArea = rootTask != null ? rootTask.getDisplayArea()
: getDefaultTaskDisplayArea();
}
Intent homeIntent = null;
ActivityInfo aInfo = null;
if (taskDisplayArea == getDefaultTaskDisplayArea()) {
homeIntent = mService.getHomeIntent();
aInfo = resolveHomeActivity(userId, homeIntent);
} else if (shouldPlaceSecondaryHomeOnDisplayArea(taskDisplayArea)) {
Pair<ActivityInfo, Intent> info = resolveSecondaryHomeActivity(userId, taskDisplayArea);
aInfo = info.first;
homeIntent = info.second;
}
if (aInfo == null || homeIntent == null) {
return false;
}
if (!canStartHomeOnDisplayArea(aInfo, taskDisplayArea, allowInstrumenting)) {
return false;
}
// Updates the home component of the intent.
homeIntent.setComponent(new ComponentName(aInfo.applicationInfo.packageName, aInfo.name));
homeIntent.setFlags(homeIntent.getFlags() | FLAG_ACTIVITY_NEW_TASK);
// Updates the extra information of the intent.
if (fromHomeKey) {
homeIntent.putExtra(WindowManagerPolicy.EXTRA_FROM_HOME_KEY, true);
if (mWindowManager.getRecentsAnimationController() != null) {
mWindowManager.getRecentsAnimationController().cancelAnimationForHomeStart();
}
}
homeIntent.putExtra(WindowManagerPolicy.EXTRA_START_REASON, reason);
// Update the reason for ANR debugging to verify if the user activity is the one that
// actually launched.
final String myReason = reason + ":" + userId + ":" + UserHandle.getUserId(
aInfo.applicationInfo.uid) + ":" + taskDisplayArea.getDisplayId();
mService.getActivityStartController().startHomeActivity(homeIntent, aInfo, myReason,
taskDisplayArea);
return true;
}
/**
* This resolves the home activity info.
*
* @return the home activity info if any.
*/
@VisibleForTesting
ActivityInfo resolveHomeActivity(int userId, Intent homeIntent) {
final int flags = ActivityManagerService.STOCK_PM_FLAGS;
final ComponentName comp = homeIntent.getComponent();
ActivityInfo aInfo = null;
try {
if (comp != null) {
// Factory test.
aInfo = AppGlobals.getPackageManager().getActivityInfo(comp, flags, userId);
} else {
final String resolvedType =
homeIntent.resolveTypeIfNeeded(mService.mContext.getContentResolver());
final ResolveInfo info = AppGlobals.getPackageManager()
.resolveIntent(homeIntent, resolvedType, flags, userId);
if (info != null) {
aInfo = info.activityInfo;
}
}
} catch (RemoteException e) {
// ignore
}
if (aInfo == null) {
Slog.wtf(TAG, "No home screen found for " + homeIntent, new Throwable());
return null;
}
aInfo = new ActivityInfo(aInfo);
aInfo.applicationInfo = mService.getAppInfoForUser(aInfo.applicationInfo, userId);
return aInfo;
}
@VisibleForTesting
Pair<ActivityInfo, Intent> resolveSecondaryHomeActivity(int userId,
@NonNull TaskDisplayArea taskDisplayArea) {
if (taskDisplayArea == getDefaultTaskDisplayArea()) {
throw new IllegalArgumentException(
"resolveSecondaryHomeActivity: Should not be default task container");
}
// Resolve activities in the same package as currently selected primary home activity.
Intent homeIntent = mService.getHomeIntent();
ActivityInfo aInfo = resolveHomeActivity(userId, homeIntent);
if (aInfo != null) {
if (ResolverActivity.class.getName().equals(aInfo.name)) {
// Always fallback to secondary home component if default home is not set.
aInfo = null;
} else {
// Look for secondary home activities in the currently selected default home
// package.
homeIntent = mService.getSecondaryHomeIntent(aInfo.applicationInfo.packageName);
final List<ResolveInfo> resolutions = resolveActivities(userId, homeIntent);
final int size = resolutions.size();
final String targetName = aInfo.name;
aInfo = null;
for (int i = 0; i < size; i++) {
ResolveInfo resolveInfo = resolutions.get(i);
// We need to traverse all resolutions to check if the currently selected
// default home activity is present.
if (resolveInfo.activityInfo.name.equals(targetName)) {
aInfo = resolveInfo.activityInfo;
break;
}
}
if (aInfo == null && size > 0) {
// First one is the best.
aInfo = resolutions.get(0).activityInfo;
}
}
}
if (aInfo != null) {
if (!canStartHomeOnDisplayArea(aInfo, taskDisplayArea,
false /* allowInstrumenting */)) {
aInfo = null;
}
}
// Fallback to secondary home component.
if (aInfo == null) {
homeIntent = mService.getSecondaryHomeIntent(null);
aInfo = resolveHomeActivity(userId, homeIntent);
}
return Pair.create(aInfo, homeIntent);
}
/**
* Retrieve all activities that match the given intent.
* The list should already ordered from best to worst matched.
* {@link android.content.pm.PackageManager#queryIntentActivities}
*/
@VisibleForTesting
List<ResolveInfo> resolveActivities(int userId, Intent homeIntent) {
List<ResolveInfo> resolutions;
try {
final String resolvedType =
homeIntent.resolveTypeIfNeeded(mService.mContext.getContentResolver());
resolutions = AppGlobals.getPackageManager().queryIntentActivities(homeIntent,
resolvedType, ActivityManagerService.STOCK_PM_FLAGS, userId).getList();
} catch (RemoteException e) {
resolutions = new ArrayList<>();
}
return resolutions;
}
boolean resumeHomeActivity(ActivityRecord prev, String reason,
TaskDisplayArea taskDisplayArea) {
if (!mService.isBooting() && !mService.isBooted()) {
// Not ready yet!
return false;
}
if (taskDisplayArea == null) {
taskDisplayArea = getDefaultTaskDisplayArea();
}
final ActivityRecord r = taskDisplayArea.getHomeActivity();
final String myReason = reason + " resumeHomeActivity";
// Only resume home activity if isn't finishing.
if (r != null && !r.finishing) {
r.moveFocusableActivityToTop(myReason);
return resumeFocusedTasksTopActivities(r.getRootTask(), prev, null);
}
return startHomeOnTaskDisplayArea(mCurrentUser, myReason, taskDisplayArea,
false /* allowInstrumenting */, false /* fromHomeKey */);
}
/**
* Check if the display area is valid for secondary home activity.
*
* @param taskDisplayArea The target display area.
* @return {@code true} if allow to launch, {@code false} otherwise.
*/
boolean shouldPlaceSecondaryHomeOnDisplayArea(TaskDisplayArea taskDisplayArea) {
if (getDefaultTaskDisplayArea() == taskDisplayArea) {
throw new IllegalArgumentException(
"shouldPlaceSecondaryHomeOnDisplay: Should not be on default task container");
} else if (taskDisplayArea == null) {
return false;
}
if (!taskDisplayArea.canHostHomeTask()) {
// Can't launch home on a TaskDisplayArea that does not support root home task
return false;
}
if (taskDisplayArea.getDisplayId() != DEFAULT_DISPLAY && !mService.mSupportsMultiDisplay) {
// Can't launch home on secondary display if device does not support multi-display.
return false;
}
final boolean deviceProvisioned = Settings.Global.getInt(
mService.mContext.getContentResolver(),
Settings.Global.DEVICE_PROVISIONED, 0) != 0;
if (!deviceProvisioned) {
// Can't launch home on secondary display areas before device is provisioned.
return false;
}
if (!StorageManager.isUserKeyUnlocked(mCurrentUser)) {
// Can't launch home on secondary display areas if device is still locked.
return false;
}
final DisplayContent display = taskDisplayArea.getDisplayContent();
if (display == null || display.isRemoved() || !display.supportsSystemDecorations()) {
// Can't launch home on display that doesn't support system decorations.
return false;
}
return true;
}
/**
* Check if home activity start should be allowed on a display.
*
* @param homeInfo {@code ActivityInfo} of the home activity that is going to be
* launched.
* @param taskDisplayArea The target display area.
* @param allowInstrumenting Whether launching home should be allowed if being instrumented.
* @return {@code true} if allow to launch, {@code false} otherwise.
*/
boolean canStartHomeOnDisplayArea(ActivityInfo homeInfo, TaskDisplayArea taskDisplayArea,
boolean allowInstrumenting) {
if (mService.mFactoryTest == FactoryTest.FACTORY_TEST_LOW_LEVEL
&& mService.mTopAction == null) {
// We are running in factory test mode, but unable to find the factory test app, so
// just sit around displaying the error message and don't try to start anything.
return false;
}
final WindowProcessController app =
mService.getProcessController(homeInfo.processName, homeInfo.applicationInfo.uid);
if (!allowInstrumenting && app != null && app.isInstrumenting()) {
// Don't do this if the home app is currently being instrumented.
return false;
}
final int displayId = taskDisplayArea != null ? taskDisplayArea.getDisplayId()
: INVALID_DISPLAY;
if (displayId == DEFAULT_DISPLAY || (displayId != INVALID_DISPLAY
&& displayId == mService.mVr2dDisplayId)) {
// No restrictions to default display or vr 2d display.
return true;
}
if (!shouldPlaceSecondaryHomeOnDisplayArea(taskDisplayArea)) {
return false;
}
final boolean supportMultipleInstance = homeInfo.launchMode != LAUNCH_SINGLE_TASK
&& homeInfo.launchMode != LAUNCH_SINGLE_INSTANCE;
if (!supportMultipleInstance) {
// Can't launch home on secondary displays if it requested to be single instance.
return false;
}
return true;
}
/**
* Ensure all activities visibility, update orientation and configuration.
*
* @param starting The currently starting activity or {@code null} if there is
* none.
* @param displayId The id of the display where operation is executed.
* @param markFrozenIfConfigChanged Whether to set {@link ActivityRecord#frozenBeforeDestroy} to
* {@code true} if config changed.
* @param deferResume Whether to defer resume while updating config.
* @return 'true' if starting activity was kept or wasn't provided, 'false' if it was relaunched
* because of configuration update.
*/
boolean ensureVisibilityAndConfig(ActivityRecord starting, int displayId,
boolean markFrozenIfConfigChanged, boolean deferResume) {
// First ensure visibility without updating the config just yet. We need this to know what
// activities are affecting configuration now.
// Passing null here for 'starting' param value, so that visibility of actual starting
// activity will be properly updated.
ensureActivitiesVisible(null /* starting */, 0 /* configChanges */,
false /* preserveWindows */, false /* notifyClients */);
if (displayId == INVALID_DISPLAY) {
// The caller didn't provide a valid display id, skip updating config.
return true;
}
// Force-update the orientation from the WindowManager, since we need the true configuration
// to send to the client now.
final DisplayContent displayContent = getDisplayContent(displayId);
Configuration config = null;
if (displayContent != null) {
config = displayContent.updateOrientation(
getDisplayOverrideConfiguration(displayId), starting, true /* forceUpdate */);
}
// Visibilities may change so let the starting activity have a chance to report. Can't do it
// when visibility is changed in each AppWindowToken because it may trigger wrong
// configuration push because the visibility of some activities may not be updated yet.
if (starting != null) {
starting.reportDescendantOrientationChangeIfNeeded();
}
if (starting != null && markFrozenIfConfigChanged && config != null) {
starting.frozenBeforeDestroy = true;
}
if (displayContent != null) {
// Update the configuration of the activities on the display.
return displayContent.updateDisplayOverrideConfigurationLocked(config, starting,
deferResume, null /* result */);
} else {
return true;
}
}
/**
* @return a list of pairs, containing activities and their task id which are the top ones in
* each visible root task. The first entry will be the focused activity.
*/
List<ActivityAssistInfo> getTopVisibleActivities() {
final ArrayList<ActivityAssistInfo> topVisibleActivities = new ArrayList<>();
final Task topFocusedRootTask = getTopDisplayFocusedRootTask();
// Traverse all displays.
forAllRootTasks(rootTask -> {
// Get top activity from a visible root task and add it to the list.
if (rootTask.shouldBeVisible(null /* starting */)) {
final ActivityRecord top = rootTask.getTopNonFinishingActivity();
if (top != null) {
ActivityAssistInfo visibleActivity = new ActivityAssistInfo(top);
if (rootTask == topFocusedRootTask) {
topVisibleActivities.add(0, visibleActivity);
} else {
topVisibleActivities.add(visibleActivity);
}
}
}
});
return topVisibleActivities;
}
@Nullable
Task getTopDisplayFocusedRootTask() {
for (int i = getChildCount() - 1; i >= 0; --i) {
final Task focusedRootTask = getChildAt(i).getFocusedRootTask();
if (focusedRootTask != null) {
return focusedRootTask;
}
}
return null;
}
@Nullable
ActivityRecord getTopResumedActivity() {
final Task focusedRootTask = getTopDisplayFocusedRootTask();
if (focusedRootTask == null) {
return null;
}
final ActivityRecord resumedActivity = focusedRootTask.getTopResumedActivity();
if (resumedActivity != null && resumedActivity.app != null) {
return resumedActivity;
}
// The top focused root task might not have a resumed activity yet - look on all displays in
// focus order.
return getItemFromTaskDisplayAreas(TaskDisplayArea::getFocusedActivity);
}
boolean isTopDisplayFocusedRootTask(Task task) {
return task != null && task == getTopDisplayFocusedRootTask();
}
void updatePreviousProcess(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.
WindowProcessController fgApp = getItemFromRootTasks(rootTask -> {
if (isTopDisplayFocusedRootTask(rootTask)) {
final ActivityRecord resumedActivity = rootTask.getTopResumedActivity();
if (resumedActivity != null) {
return resumedActivity.app;
} else if (rootTask.getTopPausingActivity() != null) {
return rootTask.getTopPausingActivity().app;
}
}
return null;
});
// Now set this one as the previous process, only if that really makes sense to.
if (r.hasProcess() && fgApp != null && r.app != fgApp
&& r.lastVisibleTime > mService.mPreviousProcessVisibleTime
&& r.app != mService.mHomeProcess) {
mService.mPreviousProcess = r.app;
mService.mPreviousProcessVisibleTime = r.lastVisibleTime;
}
}
boolean attachApplication(WindowProcessController app) throws RemoteException {
boolean didSomething = false;
for (int displayNdx = getChildCount() - 1; displayNdx >= 0; --displayNdx) {
mTmpRemoteException = null;
mTmpBoolean = false; // Set to true if an activity was started.
final DisplayContent display = getChildAt(displayNdx);
display.forAllRootTasks(rootTask -> {
if (mTmpRemoteException != null) {
return;
}
if (rootTask.getVisibility(null /* starting */)
== TASK_FRAGMENT_VISIBILITY_INVISIBLE) {
return;
}
final PooledFunction c = PooledLambda.obtainFunction(
RootWindowContainer::startActivityForAttachedApplicationIfNeeded, this,
PooledLambda.__(ActivityRecord.class), app,
rootTask.topRunningActivity());
rootTask.forAllActivities(c);
c.recycle();
});
if (mTmpRemoteException != null) {
throw mTmpRemoteException;
}
didSomething |= mTmpBoolean;
}
if (!didSomething) {
ensureActivitiesVisible(null, 0, false /* preserve_windows */);
}
return didSomething;
}
private boolean startActivityForAttachedApplicationIfNeeded(ActivityRecord r,
WindowProcessController app, ActivityRecord top) {
if (r.finishing || !r.showToCurrentUser() || !r.visibleIgnoringKeyguard || r.app != null
|| app.mUid != r.info.applicationInfo.uid || !app.mName.equals(r.processName)) {
return false;
}
try {
if (mTaskSupervisor.realStartActivityLocked(r, app,
top == r && r.getTask().canBeResumed(r) /*andResume*/,
true /*checkConfig*/)) {
mTmpBoolean = true;
}
} catch (RemoteException e) {
Slog.w(TAG, "Exception in new application when starting activity "
+ top.intent.getComponent().flattenToShortString(), e);
mTmpRemoteException = e;
return true;
}
return false;
}
/**
* Make sure that all activities that need to be visible in the system actually are and update
* their configuration.
*/
void ensureActivitiesVisible(ActivityRecord starting, int configChanges,
boolean preserveWindows) {
ensureActivitiesVisible(starting, configChanges, preserveWindows, true /* notifyClients */);
}
/**
* @see #ensureActivitiesVisible(ActivityRecord, int, boolean)
*/
void ensureActivitiesVisible(ActivityRecord starting, int configChanges,
boolean preserveWindows, boolean notifyClients) {
if (mTaskSupervisor.inActivityVisibilityUpdate()
|| mTaskSupervisor.isRootVisibilityUpdateDeferred()) {
// Don't do recursive work.
return;
}
try {
mTaskSupervisor.beginActivityVisibilityUpdate();
// First the front root tasks. In case any are not fullscreen and are in front of home.
for (int displayNdx = getChildCount() - 1; displayNdx >= 0; --displayNdx) {
final DisplayContent display = getChildAt(displayNdx);
display.ensureActivitiesVisible(starting, configChanges, preserveWindows,
notifyClients);
}
} finally {
mTaskSupervisor.endActivityVisibilityUpdate();
}
}
boolean switchUser(int userId, UserState uss) {
final Task topFocusedRootTask = getTopDisplayFocusedRootTask();
final int focusRootTaskId = topFocusedRootTask != null
? topFocusedRootTask.getRootTaskId() : INVALID_TASK_ID;
// We dismiss the docked root task whenever we switch users.
if (getDefaultTaskDisplayArea().isSplitScreenModeActivated()) {
getDefaultTaskDisplayArea().onSplitScreenModeDismissed();
}
// Also dismiss the pinned root task whenever we switch users. Removing the pinned root task
// will also cause all tasks to be moved to the fullscreen root task at a position that is
// appropriate.
removeRootTasksInWindowingModes(WINDOWING_MODE_PINNED);
mUserRootTaskInFront.put(mCurrentUser, focusRootTaskId);
mCurrentUser = userId;
mTaskSupervisor.mStartingUsers.add(uss);
forAllRootTasks(rootTask -> {
rootTask.switchUser(userId);
});
final int restoreRootTaskId = mUserRootTaskInFront.get(userId);
Task rootTask = getRootTask(restoreRootTaskId);
if (rootTask == null) {
rootTask = getDefaultTaskDisplayArea().getOrCreateRootHomeTask();
}
final boolean homeInFront = rootTask.isActivityTypeHome();
if (rootTask.isOnHomeDisplay()) {
rootTask.moveToFront("switchUserOnHomeDisplay");
} else {
// Root task was moved to another display while user was swapped out.
resumeHomeActivity(null, "switchUserOnOtherDisplay", getDefaultTaskDisplayArea());
}
return homeInFront;
}
void removeUser(int userId) {
mUserRootTaskInFront.delete(userId);
}
/**
* Update the last used root task id for non-current user (current user's last
* used root task is the focused root task)
*/
void updateUserRootTask(int userId, Task rootTask) {
if (userId != mCurrentUser) {
if (rootTask == null) {
rootTask = getDefaultTaskDisplayArea().getOrCreateRootHomeTask();
}
mUserRootTaskInFront.put(userId, rootTask.getRootTaskId());
}
}
/**
* Move root task with all its existing content to specified task display area.
*
* @param rootTaskId Id of root task to move.
* @param taskDisplayArea The task display area to move root task to.
* @param onTop Indicates whether container should be place on top or on bottom.
*/
void moveRootTaskToTaskDisplayArea(int rootTaskId, TaskDisplayArea taskDisplayArea,
boolean onTop) {
final Task rootTask = getRootTask(rootTaskId);
if (rootTask == null) {
throw new IllegalArgumentException("moveRootTaskToTaskDisplayArea: Unknown rootTaskId="
+ rootTaskId);
}
final TaskDisplayArea currentTaskDisplayArea = rootTask.getDisplayArea();
if (currentTaskDisplayArea == null) {
throw new IllegalStateException("moveRootTaskToTaskDisplayArea: rootTask=" + rootTask
+ " is not attached to any task display area.");
}
if (taskDisplayArea == null) {
throw new IllegalArgumentException(
"moveRootTaskToTaskDisplayArea: Unknown taskDisplayArea=" + taskDisplayArea);
}
if (currentTaskDisplayArea == taskDisplayArea) {
throw new IllegalArgumentException("Trying to move rootTask=" + rootTask
+ " to its current taskDisplayArea=" + taskDisplayArea);
}
rootTask.reparent(taskDisplayArea, onTop);
// Resume focusable root task after reparenting to another display area.
rootTask.resumeNextFocusAfterReparent();
// TODO(multi-display): resize rootTasks properly if moved from split-screen.
}
/**
* Move root task with all its existing content to specified display.
*
* @param rootTaskId Id of root task to move.
* @param displayId Id of display to move root task to.
* @param onTop Indicates whether container should be place on top or on bottom.
*/
void moveRootTaskToDisplay(int rootTaskId, int displayId, boolean onTop) {
final DisplayContent displayContent = getDisplayContentOrCreate(displayId);
if (displayContent == null) {
throw new IllegalArgumentException("moveRootTaskToDisplay: Unknown displayId="
+ displayId);
}
moveRootTaskToTaskDisplayArea(rootTaskId, displayContent.getDefaultTaskDisplayArea(),
onTop);
}
void moveActivityToPinnedRootTask(ActivityRecord r, String reason) {
mService.deferWindowLayout();
final TaskDisplayArea taskDisplayArea = r.getDisplayArea();
try {
final Task task = r.getTask();
final Task rootPinnedTask = taskDisplayArea.getRootPinnedTask();
// This will change the root pinned task's windowing mode to its original mode, ensuring
// we only have one root task that is in pinned mode.
if (rootPinnedTask != null) {
rootPinnedTask.dismissPip();
}
// Set a transition to ensure that we don't immediately try and update the visibility
// of the activity entering PIP
r.getDisplayContent().prepareAppTransition(TRANSIT_NONE);
final boolean singleActivity = task.getChildCount() == 1;
final Task rootTask;
if (singleActivity) {
rootTask = task;
// Apply the last recents animation leash transform to the task entering PIP
rootTask.maybeApplyLastRecentsAnimationTransaction();
} else {
// In the case of multiple activities, we will create a new task for it and then
// move the PIP activity into the task. Note that we explicitly defer the task
// appear being sent in this case and mark this newly created task to been visible.
rootTask = new Task.Builder(mService)
.setActivityType(r.getActivityType())
.setOnTop(true)
.setActivityInfo(r.info)
.setParent(taskDisplayArea)
.setIntent(r.intent)
.setDeferTaskAppear(true)
.setHasBeenVisible(true)
.build();
// Establish bi-directional link between the original and pinned task.
r.setLastParentBeforePip();
// It's possible the task entering PIP is in freeform, so save the last
// non-fullscreen bounds. Then when this new PIP task exits PIP, it can restore
// to its previous freeform bounds.
rootTask.setLastNonFullscreenBounds(task.mLastNonFullscreenBounds);
rootTask.setBounds(task.getBounds());
// Move the last recents animation transaction from original task to the new one.
if (task.mLastRecentsAnimationTransaction != null) {
rootTask.setLastRecentsAnimationTransaction(
task.mLastRecentsAnimationTransaction,
task.mLastRecentsAnimationOverlay);
task.clearLastRecentsAnimationTransaction(false /* forceRemoveOverlay */);
}
// There are multiple activities in the task and moving the top activity should
// reveal/leave the other activities in their original task.
// On the other hand, ActivityRecord#onParentChanged takes care of setting the
// up-to-dated root pinned task information on this newly created root task.
r.reparent(rootTask, MAX_VALUE, reason);
// Ensure the leash of new task is in sync with its current bounds after reparent.
rootTask.maybeApplyLastRecentsAnimationTransaction();
// In the case of this activity entering PIP due to it being moved to the back,
// the old activity would have a TRANSIT_TASK_TO_BACK transition that needs to be
// ran. But, since its visibility did not change (note how it was STOPPED/not
// visible, and with it now at the back stack, it remains not visible), the logic to
// add the transition is automatically skipped. We then add this activity manually
// to the list of apps being closed, and request its transition to be ran.
final ActivityRecord oldTopActivity = task.getTopMostActivity();
if (oldTopActivity != null && oldTopActivity.isState(STOPPED)
&& task.getDisplayContent().mAppTransition.containsTransitRequest(
TRANSIT_TO_BACK)) {
task.getDisplayContent().mClosingApps.add(oldTopActivity);
oldTopActivity.mRequestForceTransition = true;
}
}
// The intermediate windowing mode to be set on the ActivityRecord later.
// This needs to happen before the re-parenting, otherwise we will always set the
// ActivityRecord to be fullscreen.
final int intermediateWindowingMode = rootTask.getWindowingMode();
if (rootTask.getParent() != taskDisplayArea) {
// root task is nested, but pinned tasks need to be direct children of their
// display area, so reparent.
rootTask.reparent(taskDisplayArea, true /* onTop */);
}
rootTask.mTransitionController.requestTransitionIfNeeded(TRANSIT_PIP, rootTask);
// Defer the windowing mode change until after the transition to prevent the activity
// from doing work and changing the activity visuals while animating
// TODO(task-org): Figure-out more structured way to do this long term.
r.setWindowingMode(intermediateWindowingMode);
r.mWaitForEnteringPinnedMode = true;
rootTask.setWindowingMode(WINDOWING_MODE_PINNED);
rootTask.setDeferTaskAppear(false);
// Reset the state that indicates it can enter PiP while pausing after we've moved it
// to the root pinned task
r.supportsEnterPipOnTaskSwitch = false;
} finally {
mService.continueWindowLayout();
}
ensureActivitiesVisible(null, 0, false /* preserveWindows */);
resumeFocusedTasksTopActivities();
notifyActivityPipModeChanged(r.getTask(), r);
}
/**
* Notifies when an activity enters or leaves PIP mode.
*
* @param task the task of {@param r}
* @param r indicates the activity currently in PIP, can be null to indicate no activity is
* currently in PIP mode.
*/
void notifyActivityPipModeChanged(@NonNull Task task, @Nullable ActivityRecord r) {
final boolean inPip = r != null;
if (inPip) {
mService.getTaskChangeNotificationController().notifyActivityPinned(r);
} else {
mService.getTaskChangeNotificationController().notifyActivityUnpinned();
}
mWindowManager.mPolicy.setPipVisibilityLw(inPip);
mWmService.mTransactionFactory.get()
.setTrustedOverlay(task.getSurfaceControl(), inPip)
.apply();
}
void executeAppTransitionForAllDisplay() {
for (int displayNdx = getChildCount() - 1; displayNdx >= 0; --displayNdx) {
final DisplayContent display = getChildAt(displayNdx);
display.mDisplayContent.executeAppTransition();
}
}
@Nullable
ActivityRecord findTask(ActivityRecord r, TaskDisplayArea preferredTaskDisplayArea) {
return findTask(r.getActivityType(), r.taskAffinity, r.intent, r.info,
preferredTaskDisplayArea);
}
@Nullable
ActivityRecord findTask(int activityType, String taskAffinity, Intent intent, ActivityInfo info,
TaskDisplayArea preferredTaskDisplayArea) {
ProtoLog.d(WM_DEBUG_TASKS, "Looking for task of type=%s, taskAffinity=%s, intent=%s"
+ ", info=%s, preferredTDA=%s", activityType, taskAffinity, intent, info,
preferredTaskDisplayArea);
mTmpFindTaskResult.init(activityType, taskAffinity, intent, info);
// Looking up task on preferred display area first
ActivityRecord candidateActivity = null;
if (preferredTaskDisplayArea != null) {
mTmpFindTaskResult.process(preferredTaskDisplayArea);
if (mTmpFindTaskResult.mIdealRecord != null) {
return mTmpFindTaskResult.mIdealRecord;
} else if (mTmpFindTaskResult.mCandidateRecord != null) {
candidateActivity = mTmpFindTaskResult.mCandidateRecord;
}
}
final ActivityRecord idealMatchActivity = getItemFromTaskDisplayAreas(taskDisplayArea -> {
if (taskDisplayArea == preferredTaskDisplayArea) {
return null;
}
mTmpFindTaskResult.process(taskDisplayArea);
if (mTmpFindTaskResult.mIdealRecord != null) {
return mTmpFindTaskResult.mIdealRecord;
}
return null;
});
if (idealMatchActivity != null) {
return idealMatchActivity;
}
if (WM_DEBUG_TASKS.isEnabled() && candidateActivity == null) {
ProtoLog.d(WM_DEBUG_TASKS, "No task found");
}
return candidateActivity;
}
/**
* Finish the topmost activities in all root tasks that belong to the crashed app.
*
* @param app The app that crashed.
* @param reason Reason to perform this action.
* @return The task id that was finished in this root task, or INVALID_TASK_ID if none was
* finished.
*/
int finishTopCrashedActivities(WindowProcessController app, String reason) {
Task focusedRootTask = getTopDisplayFocusedRootTask();
final Task[] finishedTask = new Task[1];
forAllTasks(rootTask -> {
final Task t = rootTask.finishTopCrashedActivityLocked(app, reason);
if (rootTask == focusedRootTask || finishedTask[0] == null) {
finishedTask[0] = t;
}
});
return finishedTask[0] != null ? finishedTask[0].mTaskId : INVALID_TASK_ID;
}
boolean resumeFocusedTasksTopActivities() {
return resumeFocusedTasksTopActivities(null, null, null);
}
boolean resumeFocusedTasksTopActivities(
Task targetRootTask, ActivityRecord target, ActivityOptions targetOptions) {
return resumeFocusedTasksTopActivities(targetRootTask, target, targetOptions,
false /* deferPause */);
}
boolean resumeFocusedTasksTopActivities(
Task targetRootTask, ActivityRecord target, ActivityOptions targetOptions,
boolean deferPause) {
if (!mTaskSupervisor.readyToResume()) {
return false;
}
boolean result = false;
if (targetRootTask != null && (targetRootTask.isTopRootTaskInDisplayArea()
|| getTopDisplayFocusedRootTask() == targetRootTask)) {
result = targetRootTask.resumeTopActivityUncheckedLocked(target, targetOptions,
deferPause);
}
for (int displayNdx = getChildCount() - 1; displayNdx >= 0; --displayNdx) {
final DisplayContent display = getChildAt(displayNdx);
final boolean curResult = result;
boolean[] resumedOnDisplay = new boolean[1];
display.forAllRootTasks(rootTask -> {
final ActivityRecord topRunningActivity = rootTask.topRunningActivity();
if (!rootTask.isFocusableAndVisible() || topRunningActivity == null) {
return;
}
if (rootTask == targetRootTask) {
// Simply update the result for targetRootTask because the targetRootTask
// had already resumed in above. We don't want to resume it again,
// especially in some cases, it would cause a second launch failure
// if app process was dead.
resumedOnDisplay[0] |= curResult;
return;
}
if (rootTask.getDisplayArea().isTopRootTask(rootTask)
&& topRunningActivity.isState(RESUMED)) {
// Kick off any lingering app transitions form the MoveTaskToFront
// operation, but only consider the top task and root-task on that
// display.
rootTask.executeAppTransition(targetOptions);
} else {
resumedOnDisplay[0] |= topRunningActivity.makeActiveIfNeeded(target);
}
});
result |= resumedOnDisplay[0];
if (!resumedOnDisplay[0]) {
// In cases when there are no valid activities (e.g. device just booted or launcher
// crashed) it's possible that nothing was resumed on a display. Requesting resume
// of top activity in focused root task explicitly will make sure that at least home
// activity is started and resumed, and no recursion occurs.
final Task focusedRoot = display.getFocusedRootTask();
if (focusedRoot != null) {
result |= focusedRoot.resumeTopActivityUncheckedLocked(target, targetOptions);
} else if (targetRootTask == null) {
result |= resumeHomeActivity(null /* prev */, "no-focusable-task",
display.getDefaultTaskDisplayArea());
}
}
}
return result;
}
void applySleepTokens(boolean applyToRootTasks) {
for (int displayNdx = getChildCount() - 1; displayNdx >= 0; --displayNdx) {
// Set the sleeping state of the display.
final DisplayContent display = getChildAt(displayNdx);
final boolean displayShouldSleep = display.shouldSleep();
if (displayShouldSleep == display.isSleeping()) {
continue;
}
display.setIsSleeping(displayShouldSleep);
if (!applyToRootTasks) {
continue;
}
// Set the sleeping state of the root tasks on the display.
display.forAllRootTasks(rootTask -> {
if (displayShouldSleep) {
rootTask.goToSleepIfPossible(false /* shuttingDown */);
} else {
rootTask.forAllLeafTasksAndLeafTaskFragments(
taskFragment -> taskFragment.awakeFromSleeping(),
true /* traverseTopToBottom */);
if (rootTask.isFocusedRootTaskOnDisplay()
&& !mTaskSupervisor.getKeyguardController()
.isKeyguardOrAodShowing(display.mDisplayId)) {
// If the keyguard is unlocked - resume immediately.
// It is possible that the display will not be awake at the time we
// process the keyguard going away, which can happen before the sleep
// token is released. As a result, it is important we resume the
// activity here.
rootTask.resumeTopActivityUncheckedLocked(null, null);
}
// The visibility update must not be called before resuming the top, so the
// display orientation can be updated first if needed. Otherwise there may
// have redundant configuration changes due to apply outdated display
// orientation (from keyguard) to activity.
rootTask.ensureActivitiesVisible(null /* starting */, 0 /* configChanges */,
false /* preserveWindows */);
}
});
}
}
protected Task getRootTask(int rooTaskId) {
for (int i = getChildCount() - 1; i >= 0; --i) {
final Task rootTask = getChildAt(i).getRootTask(rooTaskId);
if (rootTask != null) {
return rootTask;
}
}
return null;
}
/** @see DisplayContent#getRootTask(int, int) */
Task getRootTask(int windowingMode, int activityType) {
for (int i = getChildCount() - 1; i >= 0; --i) {
final Task rootTask = getChildAt(i).getRootTask(windowingMode, activityType);
if (rootTask != null) {
return rootTask;
}
}
return null;
}
private Task getRootTask(int windowingMode, int activityType,
int displayId) {
DisplayContent display = getDisplayContent(displayId);
if (display == null) {
return null;
}
return display.getRootTask(windowingMode, activityType);
}
private RootTaskInfo getRootTaskInfo(Task task) {
RootTaskInfo info = new RootTaskInfo();
task.fillTaskInfo(info);
final DisplayContent displayContent = task.getDisplayContent();
if (displayContent == null) {
// A task might be not attached to a display.
info.position = -1;
} else {
// Find the task z-order among all root tasks on the display from bottom to top.
final int[] taskIndex = new int[1];
final boolean[] hasFound = new boolean[1];
displayContent.forAllRootTasks(rootTask -> {
if (task == rootTask) {
hasFound[0] = true;
return true;
}
taskIndex[0]++;
return false;
}, false /* traverseTopToBottom */);
info.position = hasFound[0] ? taskIndex[0] : -1;
}
info.visible = task.shouldBeVisible(null);
task.getBounds(info.bounds);
final int numTasks = task.getDescendantTaskCount();
info.childTaskIds = new int[numTasks];
info.childTaskNames = new String[numTasks];
info.childTaskBounds = new Rect[numTasks];
info.childTaskUserIds = new int[numTasks];
final int[] currentIndex = {0};
final PooledConsumer c = PooledLambda.obtainConsumer(
RootWindowContainer::processTaskForTaskInfo, PooledLambda.__(Task.class), info,
currentIndex);
task.forAllLeafTasks(c, false /* traverseTopToBottom */);
c.recycle();
final ActivityRecord top = task.topRunningActivity();
info.topActivity = top != null ? top.intent.getComponent() : null;
return info;
}
private static void processTaskForTaskInfo(
Task task, RootTaskInfo info, int[] currentIndex) {
int i = currentIndex[0];
info.childTaskIds[i] = task.mTaskId;
info.childTaskNames[i] = task.origActivity != null ? task.origActivity.flattenToString()
: task.realActivity != null ? task.realActivity.flattenToString()
: task.getTopNonFinishingActivity() != null
? task.getTopNonFinishingActivity().packageName : "unknown";
info.childTaskBounds[i] = task.mAtmService.getTaskBounds(task.mTaskId);
info.childTaskUserIds[i] = task.mUserId;
currentIndex[0] = ++i;
}
RootTaskInfo getRootTaskInfo(int taskId) {
Task task = getRootTask(taskId);
if (task != null) {
return getRootTaskInfo(task);
}
return null;
}
RootTaskInfo getRootTaskInfo(int windowingMode, int activityType) {
final Task rootTask = getRootTask(windowingMode, activityType);
return (rootTask != null) ? getRootTaskInfo(rootTask) : null;
}
RootTaskInfo getRootTaskInfo(int windowingMode, int activityType, int displayId) {
final Task rootTask = getRootTask(windowingMode, activityType, displayId);
return (rootTask != null) ? getRootTaskInfo(rootTask) : null;
}
/** If displayId == INVALID_DISPLAY, this will get root task infos on all displays */
ArrayList<RootTaskInfo> getAllRootTaskInfos(int displayId) {
final ArrayList<RootTaskInfo> list = new ArrayList<>();
if (displayId == INVALID_DISPLAY) {
forAllRootTasks(rootTask -> {
list.add(getRootTaskInfo(rootTask));
});
return list;
}
final DisplayContent display = getDisplayContent(displayId);
if (display == null) {
return list;
}
display.forAllRootTasks(rootTask -> {
list.add(getRootTaskInfo(rootTask));
});
return list;
}
@Override
public void onDisplayAdded(int displayId) {
if (DEBUG_ROOT_TASK) Slog.v(TAG, "Display added displayId=" + displayId);
synchronized (mService.mGlobalLock) {
final DisplayContent display = getDisplayContentOrCreate(displayId);
if (display == null) {
return;
}
// Do not start home before booting, or it may accidentally finish booting before it
// starts. Instead, we expect home activities to be launched when the system is ready
// (ActivityManagerService#systemReady).
if (mService.isBooted() || mService.isBooting()) {
startSystemDecorations(display);
}
}
}
private void startSystemDecorations(final DisplayContent displayContent) {
startHomeOnDisplay(mCurrentUser, "displayAdded", displayContent.getDisplayId());
displayContent.getDisplayPolicy().notifyDisplayReady();
}
@Override
public void onDisplayRemoved(int displayId) {
if (DEBUG_ROOT_TASK) Slog.v(TAG, "Display removed displayId=" + displayId);
if (displayId == DEFAULT_DISPLAY) {
throw new IllegalArgumentException("Can't remove the primary display.");
}
synchronized (mService.mGlobalLock) {
final DisplayContent displayContent = getDisplayContent(displayId);
if (displayContent == null) {
return;
}
displayContent.remove();
}
}
@Override
public void onDisplayChanged(int displayId) {
if (DEBUG_ROOT_TASK) Slog.v(TAG, "Display changed displayId=" + displayId);
synchronized (mService.mGlobalLock) {
final DisplayContent displayContent = getDisplayContent(displayId);
if (displayContent != null) {
displayContent.onDisplayChanged();
}
}
}
/** Update lists of UIDs that are present on displays and have access to them. */
void updateUIDsPresentOnDisplay() {
mDisplayAccessUIDs.clear();
for (int displayNdx = getChildCount() - 1; displayNdx >= 0; --displayNdx) {
final DisplayContent displayContent = getChildAt(displayNdx);
// Only bother calculating the allowlist for private displays
if (displayContent.isPrivate()) {
mDisplayAccessUIDs.append(
displayContent.mDisplayId, displayContent.getPresentUIDs());
}
}
// Store updated lists in DisplayManager. Callers from outside of AM should get them there.
mDisplayManagerInternal.setDisplayAccessUIDs(mDisplayAccessUIDs);
}
Task findRootTaskBehind(Task rootTask) {
final TaskDisplayArea taskDisplayArea = rootTask.getDisplayArea();
if (taskDisplayArea != null) {
final boolean[] hasFound = new boolean[1];
// TODO(b/175136051): should this be only the direct child root task?
final Task rootTaskBehind = taskDisplayArea.getRootTask(task -> {
if (hasFound[0]) {
return true;
}
hasFound[0] = task == rootTask;
return false;
});
if (rootTaskBehind != null) {
return rootTaskBehind;
}
}
throw new IllegalStateException("Failed to find a root task behind root task =" + rootTask
+ " in=" + taskDisplayArea);
}
Configuration getDisplayOverrideConfiguration(int displayId) {
final DisplayContent displayContent = getDisplayContentOrCreate(displayId);
if (displayContent == null) {
throw new IllegalArgumentException("No display found with id: " + displayId);
}
return displayContent.getRequestedOverrideConfiguration();
}
void setDisplayOverrideConfiguration(Configuration overrideConfiguration, int displayId) {
final DisplayContent displayContent = getDisplayContentOrCreate(displayId);
if (displayContent == null) {
throw new IllegalArgumentException("No display found with id: " + displayId);
}
displayContent.onRequestedOverrideConfigurationChanged(overrideConfiguration);
}
void prepareForShutdown() {
for (int i = 0; i < getChildCount(); i++) {
createSleepToken("shutdown", getChildAt(i).mDisplayId);
}
}
SleepToken createSleepToken(String tag, int displayId) {
final DisplayContent display = getDisplayContent(displayId);
if (display == null) {
throw new IllegalArgumentException("Invalid display: " + displayId);
}
final int tokenKey = makeSleepTokenKey(tag, displayId);
SleepToken token = mSleepTokens.get(tokenKey);
if (token == null) {
token = new SleepToken(tag, displayId);
mSleepTokens.put(tokenKey, token);
display.mAllSleepTokens.add(token);
ProtoLog.d(WM_DEBUG_STATES, "Create sleep token: tag=%s, displayId=%d", tag, displayId);
} else {
throw new RuntimeException("Create the same sleep token twice: " + token);
}
return token;
}
void removeSleepToken(SleepToken token) {
if (!mSleepTokens.contains(token.mHashKey)) {
Slog.d(TAG, "Remove non-exist sleep token: " + token + " from " + Debug.getCallers(6));
}
mSleepTokens.remove(token.mHashKey);
final DisplayContent display = getDisplayContent(token.mDisplayId);
if (display == null) {
Slog.d(TAG, "Remove sleep token for non-existing display: " + token + " from "
+ Debug.getCallers(6));
return;
}
ProtoLog.d(WM_DEBUG_STATES, "Remove sleep token: tag=%s, displayId=%d", token.mTag,
token.mDisplayId);
display.mAllSleepTokens.remove(token);
if (display.mAllSleepTokens.isEmpty()) {
mService.updateSleepIfNeededLocked();
// Assuming no lock screen is set and a user launches an activity, turns off the screen
// and turn on the screen again, then the launched activity should be displayed on the
// screen without app transition animation. When the screen turns on, both keyguard
// sleep token and display off sleep token are removed, but the order is
// non-deterministic.
// Note: Display#mSkipAppTransitionAnimation will be ignored when keyguard related
// transition exists, so this affects only when no lock screen is set. Otherwise
// keyguard going away animation will be played.
// See also AppTransitionController#getTransitCompatType for more details.
if ((!mTaskSupervisor.getKeyguardController().isDisplayOccluded(display.mDisplayId)
&& token.mTag.equals(KEYGUARD_SLEEP_TOKEN_TAG))
|| token.mTag.equals(DISPLAY_OFF_SLEEP_TOKEN_TAG)) {
display.mSkipAppTransitionAnimation = true;
}
}
}
void addStartingWindowsForVisibleActivities() {
final ArrayList<Task> addedTasks = new ArrayList<>();
forAllActivities((r) -> {
final Task task = r.getTask();
if (r.mVisibleRequested && r.mStartingData == null && !addedTasks.contains(task)) {
r.showStartingWindow(true /*taskSwitch*/);
addedTasks.add(task);
}
});
}
void invalidateTaskLayers() {
if (!mTaskLayersChanged) {
mTaskLayersChanged = true;
mService.mH.post(mRankTaskLayersRunnable);
}
}
/** Generate oom-score-adjustment rank for all tasks in the system based on z-order. */
void rankTaskLayers() {
if (mTaskLayersChanged) {
mTaskLayersChanged = false;
mService.mH.removeCallbacks(mRankTaskLayersRunnable);
}
mTmpTaskLayerRank = 0;
// Only rank for leaf tasks because the score of activity is based on immediate parent.
forAllLeafTasks(task -> {
final int oldRank = task.mLayerRank;
final ActivityRecord r = task.topRunningActivityLocked();
if (r != null && r.mVisibleRequested) {
task.mLayerRank = ++mTmpTaskLayerRank;
} else {
task.mLayerRank = Task.LAYER_RANK_INVISIBLE;
}
if (task.mLayerRank != oldRank) {
task.forAllActivities(activity -> {
if (activity.hasProcess()) {
mTaskSupervisor.onProcessActivityStateChanged(activity.app,
true /* forceBatch */);
}
});
}
}, true /* traverseTopToBottom */);
if (!mTaskSupervisor.inActivityVisibilityUpdate()) {
mTaskSupervisor.computeProcessActivityStateBatch();
}
}
void clearOtherAppTimeTrackers(AppTimeTracker except) {
final PooledConsumer c = PooledLambda.obtainConsumer(
RootWindowContainer::clearOtherAppTimeTrackers,
PooledLambda.__(ActivityRecord.class), except);
forAllActivities(c);
c.recycle();
}
private static void clearOtherAppTimeTrackers(ActivityRecord r, AppTimeTracker except) {
if (r.appTimeTracker != except) {
r.appTimeTracker = null;
}
}
void scheduleDestroyAllActivities(String reason) {
mDestroyAllActivitiesReason = reason;
mService.mH.post(mDestroyAllActivitiesRunnable);
}
private void destroyActivity(ActivityRecord r) {
if (r.finishing || !r.isDestroyable()) return;
if (DEBUG_SWITCH) {
Slog.v(TAG_SWITCH, "Destroying " + r + " in state " + r.getState()
+ " resumed=" + r.getTask().getTopResumedActivity() + " pausing="
+ r.getTask().getTopPausingActivity() + " for reason "
+ mDestroyAllActivitiesReason);
}
r.destroyImmediately(mDestroyAllActivitiesReason);
}
// Tries to put all activity tasks to sleep. Returns true if all tasks were
// successfully put to sleep.
boolean putTasksToSleep(boolean allowDelay, boolean shuttingDown) {
final boolean[] result = {true};
forAllRootTasks(task -> {
if (allowDelay) {
result[0] &= task.goToSleepIfPossible(shuttingDown);
} else {
task.ensureActivitiesVisible(null /* starting */, 0 /* configChanges */,
!PRESERVE_WINDOWS);
}
});
return result[0];
}
void handleAppCrash(WindowProcessController app) {
final PooledConsumer c = PooledLambda.obtainConsumer(
RootWindowContainer::handleAppCrash, PooledLambda.__(ActivityRecord.class), app);
forAllActivities(c);
c.recycle();
}
private static void handleAppCrash(ActivityRecord r, WindowProcessController app) {
if (r.app != app) return;
Slog.w(TAG, " Force finishing activity "
+ r.intent.getComponent().flattenToShortString());
r.detachFromProcess();
r.mDisplayContent.requestTransitionAndLegacyPrepare(TRANSIT_CLOSE,
TRANSIT_FLAG_APP_CRASHED);
r.destroyIfPossible("handleAppCrashed");
}
ActivityRecord findActivity(Intent intent, ActivityInfo info, boolean compareIntentFilters) {
ComponentName cls = intent.getComponent();
if (info.targetActivity != null) {
cls = new ComponentName(info.packageName, info.targetActivity);
}
final int userId = UserHandle.getUserId(info.applicationInfo.uid);
final PooledPredicate p = PooledLambda.obtainPredicate(
RootWindowContainer::matchesActivity, PooledLambda.__(ActivityRecord.class),
userId, compareIntentFilters, intent, cls);
final ActivityRecord r = getActivity(p);
p.recycle();
return r;
}
private static boolean matchesActivity(ActivityRecord r, int userId,
boolean compareIntentFilters, Intent intent, ComponentName cls) {
if (!r.canBeTopRunning() || r.mUserId != userId) return false;
if (compareIntentFilters) {
if (r.intent.filterEquals(intent)) {
return true;
}
} else {
// Compare the target component instead of intent component so we don't miss if the
// activity uses alias.
if (r.mActivityComponent.equals(cls)) {
return true;
}
}
return false;
}
boolean hasAwakeDisplay() {
for (int displayNdx = getChildCount() - 1; displayNdx >= 0; --displayNdx) {
final DisplayContent display = getChildAt(displayNdx);
if (!display.shouldSleep()) {
return true;
}
}
return false;
}
Task getLaunchRootTask(@Nullable ActivityRecord r, @Nullable ActivityOptions options,
@Nullable Task candidateTask, boolean onTop) {
return getLaunchRootTask(r, options, candidateTask, null /* sourceTask */, onTop,
null /* launchParams */, 0 /* launchFlags */, -1 /* no realCallingPid */,
-1 /* no realCallingUid */);
}
/**
* Returns the right root task to use for launching factoring in all the input parameters.
*
* @param r The activity we are trying to launch. Can be null.
* @param options The activity options used to the launch. Can be null.
* @param candidateTask The possible task the activity might be launched in. Can be null.
* @param sourceTask The task requesting to start activity. Can be null.
* @param launchParams The resolved launch params to use.
* @param launchFlags The launch flags for this launch.
* @param realCallingPid The pid from {@link ActivityStarter#setRealCallingPid}
* @param realCallingUid The uid from {@link ActivityStarter#setRealCallingUid}
* @return The root task to use for the launch or INVALID_TASK_ID.
*/
Task getLaunchRootTask(@Nullable ActivityRecord r,
@Nullable ActivityOptions options, @Nullable Task candidateTask,
@Nullable Task sourceTask, boolean onTop,
@Nullable LaunchParamsController.LaunchParams launchParams, int launchFlags,
int realCallingPid, int realCallingUid) {
int taskId = INVALID_TASK_ID;
int displayId = INVALID_DISPLAY;
TaskDisplayArea taskDisplayArea = null;
// We give preference to the launch preference in activity options.
if (options != null) {
taskId = options.getLaunchTaskId();
displayId = options.getLaunchDisplayId();
final WindowContainerToken daToken = options.getLaunchTaskDisplayArea();
taskDisplayArea = daToken != null
? (TaskDisplayArea) WindowContainer.fromBinder(daToken.asBinder()) : null;
final Task rootTask = Task.fromWindowContainerToken(options.getLaunchRootTask());
if (rootTask != null) {
return rootTask;
}
}
// First preference for root task goes to the task Id set in the activity options. Use
// the root task associated with that if possible.
if (taskId != INVALID_TASK_ID) {
// Temporarily set the task id to invalid in case in re-entry.
options.setLaunchTaskId(INVALID_TASK_ID);
final Task task = anyTaskForId(taskId,
MATCH_ATTACHED_TASK_OR_RECENT_TASKS_AND_RESTORE, options, onTop);
options.setLaunchTaskId(taskId);
if (task != null) {
return task.getRootTask();
}
}
final int activityType = resolveActivityType(r, options, candidateTask);
Task rootTask = null;
// Next preference for root task goes to the taskDisplayArea candidate.
if (launchParams != null && launchParams.mPreferredTaskDisplayArea != null) {
taskDisplayArea = launchParams.mPreferredTaskDisplayArea;
}
if (taskDisplayArea == null && displayId != INVALID_DISPLAY) {
final DisplayContent displayContent = getDisplayContent(displayId);
if (displayContent != null) {
taskDisplayArea = displayContent.getDefaultTaskDisplayArea();
}
}
if (taskDisplayArea != null) {
final int tdaDisplayId = taskDisplayArea.getDisplayId();
final boolean canLaunchOnDisplayFromStartRequest =
realCallingPid != 0 && realCallingUid > 0 && r != null
&& mTaskSupervisor.canPlaceEntityOnDisplay(tdaDisplayId,
realCallingPid, realCallingUid, r.info);
if (canLaunchOnDisplayFromStartRequest || canLaunchOnDisplay(r, tdaDisplayId)) {
if (r != null) {
final Task result = getValidLaunchRootTaskInTaskDisplayArea(
taskDisplayArea, r, candidateTask, options, launchParams);
if (result != null) {
return result;
}
}
// Falling back to default task container
taskDisplayArea = taskDisplayArea.mDisplayContent.getDefaultTaskDisplayArea();
rootTask = taskDisplayArea.getOrCreateRootTask(r, options, candidateTask,
sourceTask, launchParams, launchFlags, activityType, onTop);
if (rootTask != null) {
return rootTask;
}
}
}
// Give preference to the root task and display of the input task and activity if they
// match the mode we want to launch into.
TaskDisplayArea container = null;
if (candidateTask != null) {
rootTask = candidateTask.getRootTask();
}
if (rootTask == null && r != null) {
rootTask = r.getRootTask();
}
int windowingMode = launchParams != null ? launchParams.mWindowingMode
: WindowConfiguration.WINDOWING_MODE_UNDEFINED;
if (rootTask != null) {
container = rootTask.getDisplayArea();
if (container != null && canLaunchOnDisplay(r, container.mDisplayContent.mDisplayId)) {
if (windowingMode == WindowConfiguration.WINDOWING_MODE_UNDEFINED) {
windowingMode = container.resolveWindowingMode(r, options, candidateTask,
activityType);
}
// Always allow organized tasks that created by organizer since the activity type
// of an organized task is decided by the activity type of its top child, which
// could be incompatible with the given windowing mode and activity type.
if (rootTask.isCompatible(windowingMode, activityType)
|| rootTask.mCreatedByOrganizer) {
return rootTask;
}
}
}
if (container == null
|| !canLaunchOnDisplay(r, container.mDisplayContent.mDisplayId)) {
container = getDefaultTaskDisplayArea();
if (windowingMode == WindowConfiguration.WINDOWING_MODE_UNDEFINED) {
windowingMode = container.resolveWindowingMode(r, options, candidateTask,
activityType);
}
}
return container.getOrCreateRootTask(r, options, candidateTask, sourceTask, launchParams,
launchFlags, activityType, onTop);
}
/** @return true if activity record is null or can be launched on provided display. */
private boolean canLaunchOnDisplay(ActivityRecord r, int displayId) {
if (r == null) {
return true;
}
return r.canBeLaunchedOnDisplay(displayId);
}
/**
* Get a topmost root task on the display area, that is a valid launch root task for
* specified activity. If there is no such root task, new dynamic root task can be created.
*
* @param taskDisplayArea Target display area.
* @param r Activity that should be launched there.
* @param candidateTask The possible task the activity might be put in.
* @return Existing root task if there is a valid one, new dynamic root task if it is valid
* or null.
*/
@VisibleForTesting
Task getValidLaunchRootTaskInTaskDisplayArea(@NonNull TaskDisplayArea taskDisplayArea,
@NonNull ActivityRecord r, @Nullable Task candidateTask,
@Nullable ActivityOptions options,
@Nullable LaunchParamsController.LaunchParams launchParams) {
if (!r.canBeLaunchedOnDisplay(taskDisplayArea.getDisplayId())) {
return null;
}
// If {@code r} is already in target display area and its task is the same as the candidate
// task, the intention should be getting a launch root task for the reusable activity, so we
// can use the existing root task.
if (candidateTask != null) {
final TaskDisplayArea attachedTaskDisplayArea = candidateTask.getDisplayArea();
if (attachedTaskDisplayArea == null || attachedTaskDisplayArea == taskDisplayArea) {
return candidateTask.getRootTask();
}
// Or the candidate task is already a root task that can be reused by reparenting
// it to the target display.
if (candidateTask.isRootTask()) {
final Task rootTask = candidateTask.getRootTask();
rootTask.reparent(taskDisplayArea, true /* onTop */);
return rootTask;
}
}
int windowingMode;
if (launchParams != null) {
// When launch params is not null, we always defer to its windowing mode. Sometimes
// it could be unspecified, which indicates it should inherit windowing mode from
// display.
windowingMode = launchParams.mWindowingMode;
} else {
windowingMode = options != null ? options.getLaunchWindowingMode()
: r.getWindowingMode();
}
windowingMode = taskDisplayArea.validateWindowingMode(windowingMode, r, candidateTask,
r.getActivityType());
// Return the topmost valid root task on the display.
final int targetWindowingMode = windowingMode;
final Task topmostValidRootTask = taskDisplayArea.getRootTask(rootTask ->
isValidLaunchRootTask(rootTask, r, targetWindowingMode));
if (topmostValidRootTask != null) {
return topmostValidRootTask;
}
// If there is no valid root task on the secondary display area - check if new dynamic root
// task will do.
if (taskDisplayArea != getDisplayContent(taskDisplayArea.getDisplayId())
.getDefaultTaskDisplayArea()) {
final int activityType =
options != null && options.getLaunchActivityType() != ACTIVITY_TYPE_UNDEFINED
? options.getLaunchActivityType() : r.getActivityType();
return taskDisplayArea.createRootTask(
windowingMode, activityType, true /*onTop*/, options);
}
return null;
}
// TODO: Can probably be consolidated into getLaunchRootTask()...
private boolean isValidLaunchRootTask(Task task, ActivityRecord r, int windowingMode) {
switch (task.getActivityType()) {
case ACTIVITY_TYPE_HOME:
return r.isActivityTypeHome();
case ACTIVITY_TYPE_RECENTS:
return r.isActivityTypeRecents();
case ACTIVITY_TYPE_ASSISTANT:
return r.isActivityTypeAssistant();
case ACTIVITY_TYPE_DREAM:
return r.isActivityTypeDream();
}
if (task.mCreatedByOrganizer) {
// Don't launch directly into task created by organizer...but why can't we?
return false;
}
// There is a 1-to-1 relationship between root task and task when not in
// primary split-windowing mode.
if (task.getWindowingMode() == WINDOWING_MODE_SPLIT_SCREEN_PRIMARY
&& r.supportsSplitScreenWindowingModeInDisplayArea(task.getDisplayArea())
&& (windowingMode == WINDOWING_MODE_SPLIT_SCREEN_PRIMARY
|| windowingMode == WINDOWING_MODE_UNDEFINED)) {
return true;
}
return false;
}
int resolveActivityType(@Nullable ActivityRecord r, @Nullable ActivityOptions options,
@Nullable Task task) {
// Preference is given to the activity type for the activity then the task since the type
// once set shouldn't change.
int activityType = r != null ? r.getActivityType() : ACTIVITY_TYPE_UNDEFINED;
if (activityType == ACTIVITY_TYPE_UNDEFINED && task != null) {
activityType = task.getActivityType();
}
if (activityType != ACTIVITY_TYPE_UNDEFINED) {
return activityType;
}
if (options != null) {
activityType = options.getLaunchActivityType();
}
return activityType != ACTIVITY_TYPE_UNDEFINED ? activityType : ACTIVITY_TYPE_STANDARD;
}
/**
* Get next focusable root task in the system. This will search through the root task on the
* same display as the current focused root task, looking for a focusable and visible root task,
* different from the target root task. If no valid candidates will be found, it will then go
* through all displays and root tasks in last-focused order.
*
* @param currentFocus The root task that previously had focus.
* @param ignoreCurrent If we should ignore {@param currentFocus} when searching for next
* candidate.
* @return Next focusable {@link Task}, {@code null} if not found.
*/
Task getNextFocusableRootTask(@NonNull Task currentFocus, boolean ignoreCurrent) {
// First look for next focusable root task on the same display
TaskDisplayArea preferredDisplayArea = currentFocus.getDisplayArea();
if (preferredDisplayArea == null) {
// Root task is currently detached because it is being removed. Use the previous
// display it was on.
preferredDisplayArea = getDisplayContent(currentFocus.mPrevDisplayId)
.getDefaultTaskDisplayArea();
}
final Task preferredFocusableRootTask = preferredDisplayArea.getNextFocusableRootTask(
currentFocus, ignoreCurrent);
if (preferredFocusableRootTask != null) {
return preferredFocusableRootTask;
}
if (preferredDisplayArea.mDisplayContent.supportsSystemDecorations()) {
// Stop looking for focusable root task on other displays because the preferred display
// supports system decorations. Home activity would be launched on the same display if
// no focusable root task found.
return null;
}
// Now look through all displays
for (int i = getChildCount() - 1; i >= 0; --i) {
final DisplayContent display = getChildAt(i);
if (display == preferredDisplayArea.mDisplayContent) {
// We've already checked this one
continue;
}
final Task nextFocusableRootTask = display.getDefaultTaskDisplayArea()
.getNextFocusableRootTask(currentFocus, ignoreCurrent);
if (nextFocusableRootTask != null) {
return nextFocusableRootTask;
}
}
return null;
}
void closeSystemDialogActivities(String reason) {
forAllActivities((r) -> {
if ((r.info.flags & ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS) != 0
|| shouldCloseAssistant(r, reason)) {
r.finishIfPossible(reason, true /* oomAdj */);
}
});
}
/**
* Returns {@code true} if {@code uid} has a visible window that's above the window of type
* {@link WindowManager.LayoutParams#TYPE_NOTIFICATION_SHADE} and {@code uid} is not owner of
* the window of type {@link WindowManager.LayoutParams#TYPE_NOTIFICATION_SHADE}.
*
* If there is no window with type {@link WindowManager.LayoutParams#TYPE_NOTIFICATION_SHADE},
* it returns {@code false}.
*/
boolean hasVisibleWindowAboveButDoesNotOwnNotificationShade(int uid) {
boolean[] visibleWindowFound = {false};
// We only return true if we found the notification shade (ie. window of type
// TYPE_NOTIFICATION_SHADE). Usually, it should always be there, but if for some reason
// it isn't, we should better be on the safe side and return false for this.
return forAllWindows(w -> {
if (w.mOwnerUid == uid && w.isVisible()) {
visibleWindowFound[0] = true;
}
if (w.mAttrs.type == TYPE_NOTIFICATION_SHADE) {
return visibleWindowFound[0] && w.mOwnerUid != uid;
}
return false;
}, true /* traverseTopToBottom */);
}
private boolean shouldCloseAssistant(ActivityRecord r, String reason) {
if (!r.isActivityTypeAssistant()) return false;
if (reason == SYSTEM_DIALOG_REASON_ASSIST) return false;
// When the assistant is configured to be on top of the dream, it will have higher z-order
// than other activities. If it is also opaque, it will prevent other activities from
// starting. We want to close the assistant on closeSystemDialogs to allow other activities
// to start, e.g. on home button press.
return mWmService.mAssistantOnTopOfDream;
}
FinishDisabledPackageActivitiesHelper mFinishDisabledPackageActivitiesHelper =
new FinishDisabledPackageActivitiesHelper();
class FinishDisabledPackageActivitiesHelper {
private String mPackageName;
private Set<String> mFilterByClasses;
private boolean mDoit;
private boolean mEvenPersistent;
private int mUserId;
private boolean mOnlyRemoveNoProcess;
private Task mLastTask;
private final ArrayList<ActivityRecord> mCollectedActivities = new ArrayList<>();
private void reset(String packageName, Set<String> filterByClasses,
boolean doit, boolean evenPersistent, int userId, boolean onlyRemoveNoProcess) {
mPackageName = packageName;
mFilterByClasses = filterByClasses;
mDoit = doit;
mEvenPersistent = evenPersistent;
mUserId = userId;
mOnlyRemoveNoProcess = onlyRemoveNoProcess;
mLastTask = null;
}
boolean process(String packageName, Set<String> filterByClasses,
boolean doit, boolean evenPersistent, int userId, boolean onlyRemoveNoProcess) {
reset(packageName, filterByClasses, doit, evenPersistent, userId, onlyRemoveNoProcess);
final PooledFunction f = PooledLambda.obtainFunction(
FinishDisabledPackageActivitiesHelper::collectActivity, this,
PooledLambda.__(ActivityRecord.class));
forAllActivities(f);
f.recycle();
boolean didSomething = false;
final int size = mCollectedActivities.size();
// Keep the finishing order from top to bottom.
for (int i = 0; i < size; i++) {
final ActivityRecord r = mCollectedActivities.get(i);
if (mOnlyRemoveNoProcess) {
if (!r.hasProcess()) {
didSomething = true;
Slog.i(TAG, " Force removing " + r);
r.cleanUp(false /* cleanServices */, false /* setState */);
r.removeFromHistory("force-stop");
}
} else {
didSomething = true;
Slog.i(TAG, " Force finishing " + r);
r.finishIfPossible("force-stop", true /* oomAdj */);
}
}
mCollectedActivities.clear();
return didSomething;
}
private boolean collectActivity(ActivityRecord r) {
final boolean sameComponent =
(r.packageName.equals(mPackageName) && (mFilterByClasses == null
|| mFilterByClasses.contains(r.mActivityComponent.getClassName())))
|| (mPackageName == null && r.mUserId == mUserId);
final boolean noProcess = !r.hasProcess();
if ((mUserId == UserHandle.USER_ALL || r.mUserId == mUserId)
&& (sameComponent || r.getTask() == mLastTask)
&& (noProcess || mEvenPersistent || !r.app.isPersistent())) {
if (!mDoit) {
if (r.finishing) {
// If this activity is just finishing, then it is not
// interesting as far as something to stop.
return false;
}
return true;
}
mCollectedActivities.add(r);
mLastTask = r.getTask();
}
return false;
}
}
/** @return true if some activity was finished (or would have finished if doit were true). */
boolean finishDisabledPackageActivities(String packageName, Set<String> filterByClasses,
boolean doit, boolean evenPersistent, int userId, boolean onlyRemoveNoProcess) {
return mFinishDisabledPackageActivitiesHelper.process(packageName, filterByClasses, doit,
evenPersistent, userId, onlyRemoveNoProcess);
}
void updateActivityApplicationInfo(ApplicationInfo aInfo) {
final String packageName = aInfo.packageName;
final int userId = UserHandle.getUserId(aInfo.uid);
final PooledConsumer c = PooledLambda.obtainConsumer(
RootWindowContainer::updateActivityApplicationInfo,
PooledLambda.__(ActivityRecord.class), aInfo, userId, packageName);
forAllActivities(c);
c.recycle();
}
private static void updateActivityApplicationInfo(
ActivityRecord r, ApplicationInfo aInfo, int userId, String packageName) {
if (r.mUserId == userId && packageName.equals(r.packageName)) {
r.updateApplicationInfo(aInfo);
}
}
void finishVoiceTask(IVoiceInteractionSession session) {
forAllRootTasks(rootTask -> {
rootTask.finishVoiceTask(session);
});
}
/**
* Removes root tasks in the input windowing modes from the system if they are of activity type
* ACTIVITY_TYPE_STANDARD or ACTIVITY_TYPE_UNDEFINED
*/
void removeRootTasksInWindowingModes(int... windowingModes) {
for (int i = getChildCount() - 1; i >= 0; --i) {
getChildAt(i).removeRootTasksInWindowingModes(windowingModes);
}
}
void removeRootTasksWithActivityTypes(int... activityTypes) {
for (int i = getChildCount() - 1; i >= 0; --i) {
getChildAt(i).removeRootTasksWithActivityTypes(activityTypes);
}
}
ActivityRecord topRunningActivity() {
for (int i = getChildCount() - 1; i >= 0; --i) {
final ActivityRecord topActivity = getChildAt(i).topRunningActivity();
if (topActivity != null) {
return topActivity;
}
}
return null;
}
boolean allResumedActivitiesIdle() {
for (int displayNdx = getChildCount() - 1; displayNdx >= 0; --displayNdx) {
// TODO(b/117135575): Check resumed activities on all visible root tasks.
final DisplayContent display = getChildAt(displayNdx);
if (display.isSleeping()) {
// No resumed activities while display is sleeping.
continue;
}
// If the focused root task is not null or not empty, there should have some activities
// resuming or resumed. Make sure these activities are idle.
final Task rootTask = display.getFocusedRootTask();
if (rootTask == null || !rootTask.hasActivity()) {
continue;
}
final ActivityRecord resumedActivity = rootTask.getTopResumedActivity();
if (resumedActivity == null || !resumedActivity.idle) {
ProtoLog.d(WM_DEBUG_STATES, "allResumedActivitiesIdle: rootTask=%d %s "
+ "not idle", rootTask.getRootTaskId(), resumedActivity);
return false;
}
}
// End power mode launch when idle.
mService.endLaunchPowerMode(ActivityTaskManagerService.POWER_MODE_REASON_START_ACTIVITY);
return true;
}
boolean allResumedActivitiesVisible() {
boolean[] foundResumed = {false};
final boolean foundInvisibleResumedActivity = forAllRootTasks(rootTask -> {
final ActivityRecord r = rootTask.getTopResumedActivity();
if (r != null) {
if (!r.nowVisible) {
return true;
}
foundResumed[0] = true;
}
return false;
});
if (foundInvisibleResumedActivity) {
return false;
}
return foundResumed[0];
}
boolean allPausedActivitiesComplete() {
boolean[] pausing = {true};
final boolean hasActivityNotCompleted = forAllLeafTasks(task -> {
final ActivityRecord r = task.getTopPausingActivity();
if (r != null && !r.isState(PAUSED, STOPPED, STOPPING, FINISHING)) {
ProtoLog.d(WM_DEBUG_STATES, "allPausedActivitiesComplete: "
+ "r=%s state=%s", r, r.getState());
if (WM_DEBUG_STATES.isEnabled()) {
pausing[0] = false;
} else {
return true;
}
}
return false;
});
if (hasActivityNotCompleted) {
return false;
}
return pausing[0];
}
/**
* Find all tasks containing {@param userId} and intercept them with an activity
* to block out the contents and possibly start a credential-confirming intent.
*
* @param userId user handle for the locked managed profile.
*/
void lockAllProfileTasks(@UserIdInt int userId) {
forAllLeafTasks(task -> {
final ActivityRecord top = task.topRunningActivity();
if (top != null && !top.finishing
&& ACTION_CONFIRM_DEVICE_CREDENTIAL_WITH_USER.equals(top.intent.getAction())
&& top.packageName.equals(
mService.getSysUiServiceComponentLocked().getPackageName())) {
// Do nothing since the task is already secure by sysui.
return;
}
if (task.getActivity(activity -> !activity.finishing && activity.mUserId == userId)
!= null) {
mService.getTaskChangeNotificationController().notifyTaskProfileLocked(
task.mTaskId, userId);
}
}, true /* traverseTopToBottom */);
}
Task anyTaskForId(int id) {
return anyTaskForId(id, MATCH_ATTACHED_TASK_OR_RECENT_TASKS_AND_RESTORE);
}
Task anyTaskForId(int id, @RootWindowContainer.AnyTaskForIdMatchTaskMode int matchMode) {
return anyTaskForId(id, matchMode, null, !ON_TOP);
}
/**
* Returns a {@link Task} for the input id if available. {@code null} otherwise.
*
* @param id Id of the task we would like returned.
* @param matchMode The mode to match the given task id in.
* @param aOptions The activity options to use for restoration. Can be null.
* @param onTop If the root task for the task should be the topmost on the display.
*/
Task anyTaskForId(int id, @RootWindowContainer.AnyTaskForIdMatchTaskMode int matchMode,
@Nullable ActivityOptions aOptions, boolean onTop) {
// If options are set, ensure that we are attempting to actually restore a task
if (matchMode != MATCH_ATTACHED_TASK_OR_RECENT_TASKS_AND_RESTORE && aOptions != null) {
throw new IllegalArgumentException("Should not specify activity options for non-restore"
+ " lookup");
}
final PooledPredicate p = PooledLambda.obtainPredicate(
Task::isTaskId, PooledLambda.__(Task.class), id);
Task task = getTask(p);
p.recycle();
if (task != null) {
if (aOptions != null) {
// Resolve the root task the task should be placed in now based on options
// and reparent if needed.
final Task launchRootTask =
getLaunchRootTask(null, aOptions, task, onTop);
if (launchRootTask != null && task.getRootTask() != launchRootTask) {
final int reparentMode = onTop
? REPARENT_MOVE_ROOT_TASK_TO_FRONT : REPARENT_LEAVE_ROOT_TASK_IN_PLACE;
task.reparent(launchRootTask, onTop, reparentMode, ANIMATE, DEFER_RESUME,
"anyTaskForId");
}
}
return task;
}
// If we are matching root task tasks only, return now
if (matchMode == MATCH_ATTACHED_TASK_ONLY) {
return null;
}
// Otherwise, check the recent tasks and return if we find it there and we are not restoring
// the task from recents
if (DEBUG_RECENTS) Slog.v(TAG_RECENTS, "Looking for task id=" + id + " in recents");
task = mTaskSupervisor.mRecentTasks.getTask(id);
if (task == null) {
if (DEBUG_RECENTS) {
Slog.d(TAG_RECENTS, "\tDidn't find task id=" + id + " in recents");
}
return null;
}
if (matchMode == MATCH_ATTACHED_TASK_OR_RECENT_TASKS) {
return task;
}
// Implicitly, this case is MATCH_ATTACHED_TASK_OR_RECENT_TASKS_AND_RESTORE
if (!mTaskSupervisor.restoreRecentTaskLocked(task, aOptions, onTop)) {
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;
}
@VisibleForTesting
void getRunningTasks(int maxNum, List<ActivityManager.RunningTaskInfo> list,
int flags, int callingUid, ArraySet<Integer> profileIds) {
mTaskSupervisor.getRunningTasks().getTasks(maxNum, list, flags, this, callingUid,
profileIds);
}
void startPowerModeLaunchIfNeeded(boolean forceSend, ActivityRecord targetActivity) {
if (!forceSend && targetActivity != null && targetActivity.app != null) {
// Set power mode when the activity's process is different than the current top resumed
// activity on all display areas, or if there are no resumed activities in the system.
boolean[] noResumedActivities = {true};
boolean[] allFocusedProcessesDiffer = {true};
forAllTaskDisplayAreas(taskDisplayArea -> {
final ActivityRecord resumedActivity = taskDisplayArea.getFocusedActivity();
final WindowProcessController resumedActivityProcess =
resumedActivity == null ? null : resumedActivity.app;
noResumedActivities[0] &= resumedActivityProcess == null;
if (resumedActivityProcess != null) {
allFocusedProcessesDiffer[0] &=
!resumedActivityProcess.equals(targetActivity.app);
}
});
if (!noResumedActivities[0] && !allFocusedProcessesDiffer[0]) {
// All focused activities are resumed and the process of the target activity is
// the same as them, e.g. delivering new intent to the current top.
return;
}
}
int reason = ActivityTaskManagerService.POWER_MODE_REASON_START_ACTIVITY;
// If the activity is launching while keyguard is locked (including occluded), the activity
// may be visible until its first relayout is done (e.g. apply show-when-lock flag). To
// avoid power mode from being cleared before that, add a special reason to consider whether
// the unknown visibility is resolved. The case from SystemUI is excluded because it should
// rely on keyguard-going-away.
if (mService.mKeyguardController.isKeyguardLocked() && targetActivity != null
&& !targetActivity.isLaunchSourceType(ActivityRecord.LAUNCH_SOURCE_TYPE_SYSTEMUI)) {
final ActivityOptions opts = targetActivity.getOptions();
if (opts == null || opts.getSourceInfo() == null
|| opts.getSourceInfo().type != ActivityOptions.SourceInfo.TYPE_LOCKSCREEN) {
reason |= ActivityTaskManagerService.POWER_MODE_REASON_UNKNOWN_VISIBILITY;
}
}
mService.startLaunchPowerMode(reason);
}
// TODO(b/191434136): handle this properly when we add multi-window support on secondary
// display.
private void calculateDefaultMinimalSizeOfResizeableTasks() {
final Resources res = mService.mContext.getResources();
final float minimalSize = res.getDimension(
com.android.internal.R.dimen.default_minimal_size_resizable_task);
final DisplayMetrics dm = res.getDisplayMetrics();
mDefaultMinSizeOfResizeableTaskDp = (int) (minimalSize / dm.density);
}
/**
* Dumps the activities matching the given {@param name} in the either the focused root task
* or all visible root tasks if {@param dumpVisibleRootTasksOnly} is true.
*/
ArrayList<ActivityRecord> getDumpActivities(String name, boolean dumpVisibleRootTasksOnly,
boolean dumpFocusedRootTaskOnly) {
if (dumpFocusedRootTaskOnly) {
final Task topFocusedRootTask = getTopDisplayFocusedRootTask();
if (topFocusedRootTask != null) {
return topFocusedRootTask.getDumpActivitiesLocked(name);
} else {
return new ArrayList<>();
}
} else {
final ArrayList<ActivityRecord> activities = new ArrayList<>();
forAllRootTasks(rootTask -> {
if (!dumpVisibleRootTasksOnly || rootTask.shouldBeVisible(null)) {
activities.addAll(rootTask.getDumpActivitiesLocked(name));
}
});
return activities;
}
}
@Override
public void dump(PrintWriter pw, String prefix, boolean dumpAll) {
super.dump(pw, prefix, dumpAll);
pw.print(prefix);
pw.println("topDisplayFocusedRootTask=" + getTopDisplayFocusedRootTask());
for (int i = getChildCount() - 1; i >= 0; --i) {
final DisplayContent display = getChildAt(i);
display.dump(pw, prefix, dumpAll);
}
pw.println();
}
/**
* Dump all connected displays' configurations.
*
* @param prefix Prefix to apply to each line of the dump.
*/
void dumpDisplayConfigs(PrintWriter pw, String prefix) {
pw.print(prefix);
pw.println("Display override configurations:");
final int displayCount = getChildCount();
for (int i = 0; i < displayCount; i++) {
final DisplayContent displayContent = getChildAt(i);
pw.print(prefix);
pw.print(" ");
pw.print(displayContent.mDisplayId);
pw.print(": ");
pw.println(displayContent.getRequestedOverrideConfiguration());
}
}
boolean dumpActivities(FileDescriptor fd, PrintWriter pw, boolean dumpAll, boolean dumpClient,
String dumpPackage) {
boolean[] printed = {false};
boolean[] needSep = {false};
for (int displayNdx = getChildCount() - 1; displayNdx >= 0; --displayNdx) {
DisplayContent displayContent = getChildAt(displayNdx);
if (printed[0]) {
pw.println();
}
pw.print("Display #");
pw.print(displayContent.mDisplayId);
pw.println(" (activities from top to bottom):");
displayContent.forAllRootTasks(rootTask -> {
if (needSep[0]) {
pw.println();
}
needSep[0] = rootTask.dump(fd, pw, dumpAll, dumpClient, dumpPackage, false);
printed[0] |= needSep[0];
});
displayContent.forAllTaskDisplayAreas(taskDisplayArea -> {
printed[0] |= printThisActivity(pw, taskDisplayArea.getFocusedActivity(),
dumpPackage, needSep[0], " Resumed: ", () ->
pw.println(" Resumed activities in task display areas"
+ " (from top to bottom):"));
});
}
printed[0] |= dumpHistoryList(fd, pw, mTaskSupervisor.mFinishingActivities, " ",
"Fin", false, !dumpAll,
false, dumpPackage, true,
() -> pw.println(" Activities waiting to finish:"), null);
printed[0] |= dumpHistoryList(fd, pw, mTaskSupervisor.mStoppingActivities, " ",
"Stop", false, !dumpAll,
false, dumpPackage, true,
() -> pw.println(" Activities waiting to stop:"), null);
return printed[0];
}
private static int makeSleepTokenKey(String tag, int displayId) {
final String tokenKey = tag + displayId;
return tokenKey.hashCode();
}
static final class SleepToken {
private final String mTag;
private final long mAcquireTime;
private final int mDisplayId;
final int mHashKey;
SleepToken(String tag, int displayId) {
mTag = tag;
mDisplayId = displayId;
mAcquireTime = SystemClock.uptimeMillis();
mHashKey = makeSleepTokenKey(mTag, mDisplayId);
}
@Override
public String toString() {
return "{\"" + mTag + "\", display " + mDisplayId
+ ", acquire at " + TimeUtils.formatUptime(mAcquireTime) + "}";
}
void writeTagToProto(ProtoOutputStream proto, long fieldId) {
proto.write(fieldId, mTag);
}
}
private class RankTaskLayersRunnable implements Runnable {
@Override
public void run() {
synchronized (mService.mGlobalLock) {
if (mTaskLayersChanged) {
mTaskLayersChanged = false;
rankTaskLayers();
}
}
}
}
}