blob: 6970c7942a505e9405684f6eebb442fdd1a31004 [file] [log] [blame]
/*
* Copyright (C) 2020 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.Manifest.permission.START_TASKS_FROM_RECENTS;
import static android.app.ActivityManager.isStartResultSuccessful;
import static android.view.Display.DEFAULT_DISPLAY;
import static android.window.WindowContainerTransaction.HierarchyOp.HIERARCHY_OP_TYPE_CHILDREN_TASKS_REPARENT;
import static android.window.WindowContainerTransaction.HierarchyOp.HIERARCHY_OP_TYPE_CREATE_TASK_FRAGMENT;
import static android.window.WindowContainerTransaction.HierarchyOp.HIERARCHY_OP_TYPE_DELETE_TASK_FRAGMENT;
import static android.window.WindowContainerTransaction.HierarchyOp.HIERARCHY_OP_TYPE_LAUNCH_TASK;
import static android.window.WindowContainerTransaction.HierarchyOp.HIERARCHY_OP_TYPE_PENDING_INTENT;
import static android.window.WindowContainerTransaction.HierarchyOp.HIERARCHY_OP_TYPE_REORDER;
import static android.window.WindowContainerTransaction.HierarchyOp.HIERARCHY_OP_TYPE_REPARENT;
import static android.window.WindowContainerTransaction.HierarchyOp.HIERARCHY_OP_TYPE_REPARENT_ACTIVITY_TO_TASK_FRAGMENT;
import static android.window.WindowContainerTransaction.HierarchyOp.HIERARCHY_OP_TYPE_REPARENT_CHILDREN;
import static android.window.WindowContainerTransaction.HierarchyOp.HIERARCHY_OP_TYPE_SET_ADJACENT_ROOTS;
import static android.window.WindowContainerTransaction.HierarchyOp.HIERARCHY_OP_TYPE_SET_ADJACENT_TASK_FRAGMENTS;
import static android.window.WindowContainerTransaction.HierarchyOp.HIERARCHY_OP_TYPE_SET_LAUNCH_ADJACENT_FLAG_ROOT;
import static android.window.WindowContainerTransaction.HierarchyOp.HIERARCHY_OP_TYPE_SET_LAUNCH_ROOT;
import static android.window.WindowContainerTransaction.HierarchyOp.HIERARCHY_OP_TYPE_START_ACTIVITY_IN_TASK_FRAGMENT;
import static com.android.internal.protolog.ProtoLogGroup.WM_DEBUG_WINDOW_ORGANIZER;
import static com.android.server.wm.ActivityTaskManagerService.LAYOUT_REASON_CONFIG_CHANGED;
import static com.android.server.wm.ActivityTaskSupervisor.PRESERVE_WINDOWS;
import static com.android.server.wm.Task.FLAG_FORCE_HIDDEN_FOR_TASK_ORG;
import static com.android.server.wm.WindowContainer.POSITION_BOTTOM;
import static com.android.server.wm.WindowContainer.POSITION_TOP;
import android.annotation.NonNull;
import android.annotation.Nullable;
import android.app.ActivityManager;
import android.app.ActivityOptions;
import android.app.IApplicationThread;
import android.app.WindowConfiguration;
import android.content.ActivityNotFoundException;
import android.content.Intent;
import android.content.pm.ActivityInfo;
import android.content.res.Configuration;
import android.graphics.Rect;
import android.os.Binder;
import android.os.Bundle;
import android.os.IBinder;
import android.os.Parcel;
import android.os.RemoteException;
import android.util.AndroidRuntimeException;
import android.util.ArrayMap;
import android.util.ArraySet;
import android.util.Slog;
import android.view.RemoteAnimationAdapter;
import android.view.SurfaceControl;
import android.window.IDisplayAreaOrganizerController;
import android.window.ITaskFragmentOrganizer;
import android.window.ITaskFragmentOrganizerController;
import android.window.ITaskOrganizerController;
import android.window.ITransitionMetricsReporter;
import android.window.ITransitionPlayer;
import android.window.IWindowContainerTransactionCallback;
import android.window.IWindowOrganizerController;
import android.window.TaskFragmentCreationParams;
import android.window.WindowContainerTransaction;
import com.android.internal.annotations.VisibleForTesting;
import com.android.internal.protolog.common.ProtoLog;
import com.android.internal.util.ArrayUtils;
import com.android.internal.util.function.pooled.PooledConsumer;
import com.android.internal.util.function.pooled.PooledLambda;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.function.Function;
/**
* Server side implementation for the interface for organizing windows
* @see android.window.WindowOrganizer
*/
class WindowOrganizerController extends IWindowOrganizerController.Stub
implements BLASTSyncEngine.TransactionReadyListener {
private static final String TAG = "WindowOrganizerController";
/** Flag indicating that an applied transaction may have effected lifecycle */
private static final int TRANSACT_EFFECTS_CLIENT_CONFIG = 1;
private static final int TRANSACT_EFFECTS_LIFECYCLE = 1 << 1;
/**
* Masks specifying which configurations task-organizers can control. Incoming transactions
* will be filtered to only include these.
*/
static final int CONTROLLABLE_CONFIGS = ActivityInfo.CONFIG_WINDOW_CONFIGURATION
| ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE | ActivityInfo.CONFIG_SCREEN_SIZE;
static final int CONTROLLABLE_WINDOW_CONFIGS = WindowConfiguration.WINDOW_CONFIG_BOUNDS
| WindowConfiguration.WINDOW_CONFIG_APP_BOUNDS;
private final ActivityTaskManagerService mService;
private final WindowManagerGlobalLock mGlobalLock;
private final HashMap<Integer, IWindowContainerTransactionCallback>
mTransactionCallbacksByPendingSyncId = new HashMap();
final TaskOrganizerController mTaskOrganizerController;
final DisplayAreaOrganizerController mDisplayAreaOrganizerController;
final TaskFragmentOrganizerController mTaskFragmentOrganizerController;
TransitionController mTransitionController;
/**
* A Map which manages the relationship between
* {@link TaskFragmentCreationParams#getFragmentToken()} and {@link TaskFragment}
*/
@VisibleForTesting
final ArrayMap<IBinder, TaskFragment> mLaunchTaskFragments = new ArrayMap<>();
WindowOrganizerController(ActivityTaskManagerService atm) {
mService = atm;
mGlobalLock = atm.mGlobalLock;
mTaskOrganizerController = new TaskOrganizerController(mService);
mDisplayAreaOrganizerController = new DisplayAreaOrganizerController(mService);
mTaskFragmentOrganizerController = new TaskFragmentOrganizerController(atm);
}
void setWindowManager(WindowManagerService wms) {
mTransitionController = new TransitionController(mService, wms.mTaskSnapshotController);
mTransitionController.registerLegacyListener(wms.mActivityManagerAppTransitionNotifier);
}
TransitionController getTransitionController() {
return mTransitionController;
}
@Override
public boolean onTransact(int code, Parcel data, Parcel reply, int flags)
throws RemoteException {
try {
return super.onTransact(code, data, reply, flags);
} catch (RuntimeException e) {
throw ActivityTaskManagerService.logAndRethrowRuntimeExceptionOnTransact(TAG, e);
}
}
@Override
public void applyTransaction(WindowContainerTransaction t) {
if (t == null) {
throw new IllegalArgumentException("Null transaction passed to applyTransaction");
}
enforceTaskPermission("applyTransaction()", t);
final CallerInfo caller = new CallerInfo();
final long ident = Binder.clearCallingIdentity();
try {
synchronized (mGlobalLock) {
applyTransaction(t, -1 /*syncId*/, null /*transition*/, caller);
}
} finally {
Binder.restoreCallingIdentity(ident);
}
}
@Override
public int applySyncTransaction(WindowContainerTransaction t,
IWindowContainerTransactionCallback callback) {
if (t == null) {
throw new IllegalArgumentException("Null transaction passed to applySyncTransaction");
}
enforceTaskPermission("applySyncTransaction()", t);
final CallerInfo caller = new CallerInfo();
final long ident = Binder.clearCallingIdentity();
try {
synchronized (mGlobalLock) {
/**
* If callback is non-null we are looking to synchronize this transaction by
* collecting all the results in to a SurfaceFlinger transaction and then delivering
* that to the given transaction ready callback. See {@link BLASTSyncEngine} for the
* details of the operation. But at a high level we create a sync operation with a
* given ID and an associated callback. Then we notify each WindowContainer in this
* WindowContainer transaction that it is participating in a sync operation with
* that ID. Once everything is notified we tell the BLASTSyncEngine "setSyncReady"
* which means that we have added everything to the set. At any point after this,
* all the WindowContainers will eventually finish applying their changes and notify
* the BLASTSyncEngine which will deliver the Transaction to the callback.
*/
int syncId = -1;
if (callback != null) {
syncId = startSyncWithOrganizer(callback);
}
applyTransaction(t, syncId, null /*transition*/, caller);
if (syncId >= 0) {
setSyncReady(syncId);
}
return syncId;
}
} finally {
Binder.restoreCallingIdentity(ident);
}
}
@Override
public IBinder startTransition(int type, @Nullable IBinder transitionToken,
@Nullable WindowContainerTransaction t) {
enforceTaskPermission("startTransition()");
final CallerInfo caller = new CallerInfo();
final long ident = Binder.clearCallingIdentity();
try {
synchronized (mGlobalLock) {
Transition transition = Transition.fromBinder(transitionToken);
// In cases where transition is already provided, the "readiness lifecycle" of the
// transition is determined outside of this transaction. However, if this is a
// direct call from shell, the entire transition lifecycle is contained in the
// provided transaction and thus we can setReady immediately after apply.
boolean needsSetReady = transition == null && t != null;
if (transition == null) {
if (type < 0) {
throw new IllegalArgumentException("Can't create transition with no type");
}
if (mTransitionController.getTransitionPlayer() == null) {
Slog.w(TAG, "Using shell transitions API for legacy transitions.");
if (t == null) {
throw new IllegalArgumentException("Can't use legacy transitions in"
+ " compatibility mode with no WCT.");
}
applyTransaction(t, -1 /* syncId */, null, caller);
return null;
}
transition = mTransitionController.createTransition(type);
}
transition.start();
if (t == null) {
t = new WindowContainerTransaction();
}
applyTransaction(t, -1 /*syncId*/, transition, caller);
if (needsSetReady) {
transition.setAllReady();
}
return transition;
}
} finally {
Binder.restoreCallingIdentity(ident);
}
}
@Override
public int startLegacyTransition(int type, @NonNull RemoteAnimationAdapter adapter,
@NonNull IWindowContainerTransactionCallback callback,
@NonNull WindowContainerTransaction t) {
enforceTaskPermission("startLegacyTransition()");
final CallerInfo caller = new CallerInfo();
final long ident = Binder.clearCallingIdentity();
int syncId;
try {
synchronized (mGlobalLock) {
if (type < 0) {
throw new IllegalArgumentException("Can't create transition with no type");
}
if (mTransitionController.getTransitionPlayer() != null) {
throw new IllegalArgumentException("Can't use legacy transitions in"
+ " when shell transitions are enabled.");
}
final DisplayContent dc =
mService.mRootWindowContainer.getDisplayContent(DEFAULT_DISPLAY);
if (dc.mAppTransition.isTransitionSet()) {
// a transition already exists, so the callback probably won't be called.
return -1;
}
adapter.setCallingPidUid(caller.mPid, caller.mUid);
dc.prepareAppTransition(type);
dc.mAppTransition.overridePendingAppTransitionRemote(adapter, true /* sync */);
syncId = startSyncWithOrganizer(callback);
applyTransaction(t, syncId, null /* transition */, caller);
setSyncReady(syncId);
}
} finally {
Binder.restoreCallingIdentity(ident);
}
return syncId;
}
@Override
public int finishTransition(@NonNull IBinder transitionToken,
@Nullable WindowContainerTransaction t,
@Nullable IWindowContainerTransactionCallback callback) {
enforceTaskPermission("finishTransition()");
final CallerInfo caller = new CallerInfo();
final long ident = Binder.clearCallingIdentity();
try {
synchronized (mGlobalLock) {
int syncId = -1;
if (t != null && callback != null) {
syncId = startSyncWithOrganizer(callback);
}
// apply the incoming transaction before finish in case it alters the visibility
// of the participants.
if (t != null) {
applyTransaction(t, syncId, null /*transition*/, caller);
}
getTransitionController().finishTransition(transitionToken);
if (syncId >= 0) {
setSyncReady(syncId);
}
return syncId;
}
} finally {
Binder.restoreCallingIdentity(ident);
}
}
/**
* @param syncId If non-null, this will be a sync-transaction.
* @param transition A transition to collect changes into.
* @param caller Info about the calling process.
*/
private void applyTransaction(@NonNull WindowContainerTransaction t, int syncId,
@Nullable Transition transition, @NonNull CallerInfo caller) {
int effects = 0;
ProtoLog.v(WM_DEBUG_WINDOW_ORGANIZER, "Apply window transaction, syncId=%d", syncId);
mService.deferWindowLayout();
mService.mTaskSupervisor.setDeferRootVisibilityUpdate(true /* deferUpdate */);
try {
if (transition != null) {
// First check if we have a display rotation transition and if so, update it.
final DisplayContent dc = DisplayRotation.getDisplayFromTransition(transition);
if (dc != null && transition.mChanges.get(dc).hasChanged(dc)) {
// Go through all tasks and collect them before the rotation
// TODO(shell-transitions): move collect() to onConfigurationChange once
// wallpaper handling is synchronized.
dc.forAllTasks(task -> {
if (task.isVisible()) transition.collect(task);
});
dc.getInsetsStateController().addProvidersToTransition();
dc.sendNewConfiguration();
effects |= TRANSACT_EFFECTS_LIFECYCLE;
}
}
ArraySet<WindowContainer> haveConfigChanges = new ArraySet<>();
Iterator<Map.Entry<IBinder, WindowContainerTransaction.Change>> entries =
t.getChanges().entrySet().iterator();
while (entries.hasNext()) {
final Map.Entry<IBinder, WindowContainerTransaction.Change> entry = entries.next();
final WindowContainer wc = WindowContainer.fromBinder(entry.getKey());
if (wc == null || !wc.isAttached()) {
Slog.e(TAG, "Attempt to operate on detached container: " + wc);
continue;
}
// Make sure we add to the syncSet before performing
// operations so we don't end up splitting effects between the WM
// pending transaction and the BLASTSync transaction.
if (syncId >= 0) {
addToSyncSet(syncId, wc);
}
if (transition != null) transition.collect(wc);
int containerEffect = applyWindowContainerChange(wc, entry.getValue());
effects |= containerEffect;
// Lifecycle changes will trigger ensureConfig for everything.
if ((effects & TRANSACT_EFFECTS_LIFECYCLE) == 0
&& (containerEffect & TRANSACT_EFFECTS_CLIENT_CONFIG) != 0) {
haveConfigChanges.add(wc);
}
}
// Hierarchy changes
final List<WindowContainerTransaction.HierarchyOp> hops = t.getHierarchyOps();
final int hopSize = hops.size();
if (hopSize > 0) {
final boolean isInLockTaskMode = mService.isInLockTaskMode();
for (int i = 0; i < hopSize; ++i) {
effects |= applyHierarchyOp(hops.get(i), effects, syncId, transition,
isInLockTaskMode, caller, t.getErrorCallbackToken(),
t.getTaskFragmentOrganizer());
}
}
// Queue-up bounds-change transactions for tasks which are now organized. Do
// this after hierarchy ops so we have the final organized state.
entries = t.getChanges().entrySet().iterator();
while (entries.hasNext()) {
final Map.Entry<IBinder, WindowContainerTransaction.Change> entry = entries.next();
final WindowContainer wc = WindowContainer.fromBinder(entry.getKey());
if (wc == null || !wc.isAttached()) {
Slog.e(TAG, "Attempt to operate on detached container: " + wc);
continue;
}
final Task task = wc.asTask();
final Rect surfaceBounds = entry.getValue().getBoundsChangeSurfaceBounds();
if (task == null || !task.isAttached() || surfaceBounds == null) {
continue;
}
if (!task.isOrganized()) {
final Task parent = task.getParent() != null ? task.getParent().asTask() : null;
// Also allow direct children of created-by-organizer tasks to be
// controlled. In the future, these will become organized anyways.
if (parent == null || !parent.mCreatedByOrganizer) {
throw new IllegalArgumentException(
"Can't manipulate non-organized task surface " + task);
}
}
final SurfaceControl.Transaction sft = new SurfaceControl.Transaction();
final SurfaceControl sc = task.getSurfaceControl();
sft.setPosition(sc, surfaceBounds.left, surfaceBounds.top);
if (surfaceBounds.isEmpty()) {
sft.setWindowCrop(sc, null);
} else {
sft.setWindowCrop(sc, surfaceBounds.width(), surfaceBounds.height());
}
task.setMainWindowSizeChangeTransaction(sft);
}
if ((effects & TRANSACT_EFFECTS_LIFECYCLE) != 0) {
mService.mTaskSupervisor.setDeferRootVisibilityUpdate(false /* deferUpdate */);
// Already calls ensureActivityConfig
mService.mRootWindowContainer.ensureActivitiesVisible(null, 0, PRESERVE_WINDOWS);
mService.mRootWindowContainer.resumeFocusedTasksTopActivities();
} else if ((effects & TRANSACT_EFFECTS_CLIENT_CONFIG) != 0) {
final PooledConsumer f = PooledLambda.obtainConsumer(
ActivityRecord::ensureActivityConfiguration,
PooledLambda.__(ActivityRecord.class), 0,
true /* preserveWindow */);
try {
for (int i = haveConfigChanges.size() - 1; i >= 0; --i) {
haveConfigChanges.valueAt(i).forAllActivities(f);
}
} finally {
f.recycle();
}
}
if ((effects & TRANSACT_EFFECTS_CLIENT_CONFIG) == 0) {
mService.addWindowLayoutReasons(LAYOUT_REASON_CONFIG_CHANGED);
}
} finally {
mService.mTaskSupervisor.setDeferRootVisibilityUpdate(false /* deferUpdate */);
mService.continueWindowLayout();
}
}
private int applyChanges(WindowContainer container, WindowContainerTransaction.Change change) {
// The "client"-facing API should prevent bad changes; however, just in case, sanitize
// masks here.
final int configMask = change.getConfigSetMask() & CONTROLLABLE_CONFIGS;
final int windowMask = change.getWindowSetMask() & CONTROLLABLE_WINDOW_CONFIGS;
int effects = 0;
final int windowingMode = change.getWindowingMode();
if (configMask != 0) {
if (windowingMode > -1 && windowingMode != container.getWindowingMode()) {
// Special handling for when we are setting a windowingMode in the same transaction.
// Setting the windowingMode is going to call onConfigurationChanged so we don't
// need it called right now. Additionally, some logic requires everything in the
// configuration to change at the same time (ie. surface-freezer requires bounds
// and mode to change at the same time).
final Configuration c = container.getRequestedOverrideConfiguration();
c.setTo(change.getConfiguration(), configMask, windowMask);
} else {
final Configuration c =
new Configuration(container.getRequestedOverrideConfiguration());
c.setTo(change.getConfiguration(), configMask, windowMask);
container.onRequestedOverrideConfigurationChanged(c);
}
effects |= TRANSACT_EFFECTS_CLIENT_CONFIG;
if (windowMask != 0 && container.isEmbedded()) {
// Changing bounds of the embedded TaskFragments may result in lifecycle changes.
effects |= TRANSACT_EFFECTS_LIFECYCLE;
}
}
if ((change.getChangeMask() & WindowContainerTransaction.Change.CHANGE_FOCUSABLE) != 0) {
if (container.setFocusable(change.getFocusable())) {
effects |= TRANSACT_EFFECTS_LIFECYCLE;
}
}
if (windowingMode > -1) {
if (mService.isInLockTaskMode()
&& WindowConfiguration.inMultiWindowMode(windowingMode)) {
throw new UnsupportedOperationException("Not supported to set multi-window"
+ " windowing mode during locked task mode.");
}
final int prevMode = container.getWindowingMode();
container.setWindowingMode(windowingMode);
if (prevMode != container.getWindowingMode()) {
// The activity in the container may become focusable or non-focusable due to
// windowing modes changes (such as entering or leaving pinned windowing mode),
// so also apply the lifecycle effects to this transaction.
effects |= TRANSACT_EFFECTS_LIFECYCLE;
}
}
return effects;
}
private int applyTaskChanges(Task tr, WindowContainerTransaction.Change c) {
int effects = 0;
final SurfaceControl.Transaction t = c.getBoundsChangeTransaction();
if ((c.getChangeMask() & WindowContainerTransaction.Change.CHANGE_HIDDEN) != 0) {
if (tr.setForceHidden(FLAG_FORCE_HIDDEN_FOR_TASK_ORG, c.getHidden())) {
effects = TRANSACT_EFFECTS_LIFECYCLE;
}
}
final int childWindowingMode = c.getActivityWindowingMode();
if (childWindowingMode > -1) {
tr.setActivityWindowingMode(childWindowingMode);
}
if (t != null) {
tr.setMainWindowSizeChangeTransaction(t);
}
Rect enterPipBounds = c.getEnterPipBounds();
if (enterPipBounds != null) {
tr.mDisplayContent.mPinnedTaskController.setEnterPipBounds(enterPipBounds);
}
return effects;
}
private int applyDisplayAreaChanges(DisplayArea displayArea,
WindowContainerTransaction.Change c) {
final int[] effects = new int[1];
if ((c.getChangeMask()
& WindowContainerTransaction.Change.CHANGE_IGNORE_ORIENTATION_REQUEST) != 0) {
if (displayArea.setIgnoreOrientationRequest(c.getIgnoreOrientationRequest())) {
effects[0] |= TRANSACT_EFFECTS_LIFECYCLE;
}
}
displayArea.forAllTasks(task -> {
Task tr = (Task) task;
if ((c.getChangeMask() & WindowContainerTransaction.Change.CHANGE_HIDDEN) != 0) {
if (tr.setForceHidden(FLAG_FORCE_HIDDEN_FOR_TASK_ORG, c.getHidden())) {
effects[0] |= TRANSACT_EFFECTS_LIFECYCLE;
}
}
});
return effects[0];
}
private int applyHierarchyOp(WindowContainerTransaction.HierarchyOp hop, int effects,
int syncId, @Nullable Transition transition, boolean isInLockTaskMode,
@NonNull CallerInfo caller, @Nullable IBinder errorCallbackToken,
@Nullable ITaskFragmentOrganizer organizer) {
final int type = hop.getType();
switch (type) {
case HIERARCHY_OP_TYPE_SET_LAUNCH_ROOT: {
final WindowContainer wc = WindowContainer.fromBinder(hop.getContainer());
final Task task = wc != null ? wc.asTask() : null;
if (task != null) {
task.getDisplayArea().setLaunchRootTask(task,
hop.getWindowingModes(), hop.getActivityTypes());
} else {
throw new IllegalArgumentException("Cannot set non-task as launch root: " + wc);
}
break;
}
case HIERARCHY_OP_TYPE_SET_LAUNCH_ADJACENT_FLAG_ROOT: {
final WindowContainer wc = WindowContainer.fromBinder(hop.getContainer());
final Task task = wc != null ? wc.asTask() : null;
final boolean clearRoot = hop.getToTop();
if (task == null) {
throw new IllegalArgumentException("Cannot set non-task as launch root: " + wc);
} else if (!task.mCreatedByOrganizer) {
throw new UnsupportedOperationException(
"Cannot set non-organized task as adjacent flag root: " + wc);
} else if (task.getAdjacentTaskFragment() == null && !clearRoot) {
throw new UnsupportedOperationException(
"Cannot set non-adjacent task as adjacent flag root: " + wc);
}
task.getDisplayArea().setLaunchAdjacentFlagRootTask(clearRoot ? null : task);
break;
}
case HIERARCHY_OP_TYPE_SET_ADJACENT_ROOTS: {
effects |= setAdjacentRootsHierarchyOp(hop);
break;
}
case HIERARCHY_OP_TYPE_CREATE_TASK_FRAGMENT: {
final TaskFragmentCreationParams taskFragmentCreationOptions =
hop.getTaskFragmentCreationOptions();
createTaskFragment(taskFragmentCreationOptions, errorCallbackToken, caller);
break;
}
case HIERARCHY_OP_TYPE_DELETE_TASK_FRAGMENT: {
final WindowContainer wc = WindowContainer.fromBinder(hop.getContainer());
if (wc == null || !wc.isAttached()) {
Slog.e(TAG, "Attempt to operate on unknown or detached container: " + wc);
break;
}
final TaskFragment taskFragment = wc.asTaskFragment();
if (taskFragment == null || taskFragment.asTask() != null) {
throw new IllegalArgumentException(
"Can only delete organized TaskFragment, but not Task.");
}
if (isInLockTaskMode) {
final ActivityRecord bottomActivity = taskFragment.getActivity(
a -> !a.finishing, false /* traverseTopToBottom */);
if (bottomActivity != null
&& mService.getLockTaskController().activityBlockedFromFinish(
bottomActivity)) {
Slog.w(TAG, "Skip removing TaskFragment due in lock task mode.");
sendTaskFragmentOperationFailure(organizer, errorCallbackToken,
new IllegalStateException(
"Not allow to delete task fragment in lock task mode."));
break;
}
}
effects |= deleteTaskFragment(taskFragment, errorCallbackToken);
break;
}
case HIERARCHY_OP_TYPE_START_ACTIVITY_IN_TASK_FRAGMENT: {
final IBinder fragmentToken = hop.getContainer();
if (!mLaunchTaskFragments.containsKey(fragmentToken)) {
final Throwable exception = new IllegalArgumentException(
"Not allowed to operate with invalid fragment token");
sendTaskFragmentOperationFailure(organizer, errorCallbackToken, exception);
break;
}
final Intent activityIntent = hop.getActivityIntent();
final Bundle activityOptions = hop.getLaunchOptions();
final TaskFragment tf = mLaunchTaskFragments.get(fragmentToken);
final int result = mService.getActivityStartController()
.startActivityInTaskFragment(tf, activityIntent, activityOptions,
hop.getCallingActivity(), caller.mUid, caller.mPid);
if (!isStartResultSuccessful(result)) {
sendTaskFragmentOperationFailure(tf.getTaskFragmentOrganizer(),
errorCallbackToken,
convertStartFailureToThrowable(result, activityIntent));
}
break;
}
case HIERARCHY_OP_TYPE_REPARENT_ACTIVITY_TO_TASK_FRAGMENT: {
final IBinder fragmentToken = hop.getNewParent();
final ActivityRecord activity = ActivityRecord.forTokenLocked(hop.getContainer());
if (!mLaunchTaskFragments.containsKey(fragmentToken) || activity == null) {
final Throwable exception = new IllegalArgumentException(
"Not allowed to operate with invalid fragment token or activity.");
sendTaskFragmentOperationFailure(organizer, errorCallbackToken, exception);
break;
}
activity.reparent(mLaunchTaskFragments.get(fragmentToken), POSITION_TOP);
effects |= TRANSACT_EFFECTS_LIFECYCLE;
break;
}
case HIERARCHY_OP_TYPE_SET_ADJACENT_TASK_FRAGMENTS: {
final IBinder fragmentToken = hop.getContainer();
final IBinder adjacentFragmentToken = hop.getAdjacentRoot();
final TaskFragment tf1 = mLaunchTaskFragments.get(fragmentToken);
final TaskFragment tf2 = adjacentFragmentToken != null
? mLaunchTaskFragments.get(adjacentFragmentToken)
: null;
if (tf1 == null || (adjacentFragmentToken != null && tf2 == null)) {
final Throwable exception = new IllegalArgumentException(
"Not allowed to set adjacent on invalid fragment tokens");
sendTaskFragmentOperationFailure(organizer, errorCallbackToken, exception);
break;
}
tf1.setAdjacentTaskFragment(tf2, false /* moveAdjacentTogether */);
effects |= TRANSACT_EFFECTS_LIFECYCLE;
final Bundle bundle = hop.getLaunchOptions();
final WindowContainerTransaction.TaskFragmentAdjacentParams adjacentParams =
bundle != null ? new WindowContainerTransaction.TaskFragmentAdjacentParams(
bundle) : null;
if (adjacentParams == null) {
break;
}
tf1.setDelayLastActivityRemoval(
adjacentParams.shouldDelayPrimaryLastActivityRemoval());
if (tf2 != null) {
tf2.setDelayLastActivityRemoval(
adjacentParams.shouldDelaySecondaryLastActivityRemoval());
}
break;
}
default: {
// The other operations may change task order so they are skipped while in lock
// task mode. The above operations are still allowed because they don't move
// tasks. And it may be necessary such as clearing launch root after entering
// lock task mode.
if (isInLockTaskMode) {
Slog.w(TAG, "Skip applying hierarchy operation " + hop
+ " while in lock task mode");
return effects;
}
}
}
switch (type) {
case HIERARCHY_OP_TYPE_CHILDREN_TASKS_REPARENT: {
effects |= reparentChildrenTasksHierarchyOp(hop, transition, syncId);
break;
}
case HIERARCHY_OP_TYPE_REORDER:
case HIERARCHY_OP_TYPE_REPARENT: {
final WindowContainer wc = WindowContainer.fromBinder(hop.getContainer());
if (wc == null || !wc.isAttached()) {
Slog.e(TAG, "Attempt to operate on detached container: " + wc);
break;
}
if (syncId >= 0) {
addToSyncSet(syncId, wc);
}
if (transition != null) {
transition.collect(wc);
if (hop.isReparent()) {
if (wc.getParent() != null) {
// Collect the current parent. It's visibility may change as
// a result of this reparenting.
transition.collect(wc.getParent());
}
if (hop.getNewParent() != null) {
final WindowContainer parentWc =
WindowContainer.fromBinder(hop.getNewParent());
if (parentWc == null) {
Slog.e(TAG, "Can't resolve parent window from token");
break;
}
transition.collect(parentWc);
}
}
}
effects |= sanitizeAndApplyHierarchyOp(wc, hop);
break;
}
case HIERARCHY_OP_TYPE_LAUNCH_TASK: {
mService.mAmInternal.enforceCallingPermission(START_TASKS_FROM_RECENTS,
"launchTask HierarchyOp");
final Bundle launchOpts = hop.getLaunchOptions();
final int taskId = launchOpts.getInt(
WindowContainerTransaction.HierarchyOp.LAUNCH_KEY_TASK_ID);
launchOpts.remove(WindowContainerTransaction.HierarchyOp.LAUNCH_KEY_TASK_ID);
final SafeActivityOptions safeOptions =
SafeActivityOptions.fromBundle(launchOpts, caller.mPid, caller.mUid);
final Integer[] starterResult = {null};
// startActivityFromRecents should not be called in lock.
mService.mH.post(() -> {
try {
starterResult[0] = mService.mTaskSupervisor.startActivityFromRecents(
caller.mPid, caller.mUid, taskId, safeOptions);
} catch (Throwable t) {
starterResult[0] = ActivityManager.START_CANCELED;
Slog.w(TAG, t);
}
synchronized (mGlobalLock) {
mGlobalLock.notifyAll();
}
});
while (starterResult[0] == null) {
try {
mGlobalLock.wait();
} catch (InterruptedException ignored) {
}
}
break;
}
case HIERARCHY_OP_TYPE_PENDING_INTENT: {
String resolvedType = hop.getActivityIntent() != null
? hop.getActivityIntent().resolveTypeIfNeeded(
mService.mContext.getContentResolver())
: null;
Bundle options = null;
if (hop.getPendingIntent().isActivity()) {
// Set the context display id as preferred for this activity launches, so that
// it can land on caller's display. Or just brought the task to front at the
// display where it was on since it has higher preference.
ActivityOptions activityOptions = hop.getLaunchOptions() != null
? new ActivityOptions(hop.getLaunchOptions())
: ActivityOptions.makeBasic();
activityOptions.setCallerDisplayId(DEFAULT_DISPLAY);
options = activityOptions.toBundle();
}
mService.mAmInternal.sendIntentSender(hop.getPendingIntent().getTarget(),
hop.getPendingIntent().getWhitelistToken(), 0 /* code */,
hop.getActivityIntent(), resolvedType, null /* finishReceiver */,
null /* requiredPermission */, options);
break;
}
case HIERARCHY_OP_TYPE_REPARENT_CHILDREN: {
final WindowContainer oldParent = WindowContainer.fromBinder(hop.getContainer());
final WindowContainer newParent = hop.getNewParent() != null
? WindowContainer.fromBinder(hop.getNewParent())
: null;
if (oldParent == null || !oldParent.isAttached()) {
Slog.e(TAG, "Attempt to operate on unknown or detached container: "
+ oldParent);
break;
}
reparentTaskFragment(oldParent, newParent, errorCallbackToken);
effects |= TRANSACT_EFFECTS_LIFECYCLE;
break;
}
}
return effects;
}
private int sanitizeAndApplyHierarchyOp(WindowContainer container,
WindowContainerTransaction.HierarchyOp hop) {
final Task task = container.asTask();
if (task == null) {
throw new IllegalArgumentException("Invalid container in hierarchy op");
}
final DisplayContent dc = task.getDisplayContent();
if (dc == null) {
Slog.w(TAG, "Container is no longer attached: " + task);
return 0;
}
final Task as = task;
if (hop.isReparent()) {
final boolean isNonOrganizedRootableTask =
task.isRootTask() || task.getParent().asTask().mCreatedByOrganizer;
if (isNonOrganizedRootableTask) {
WindowContainer newParent = hop.getNewParent() == null
? dc.getDefaultTaskDisplayArea()
: WindowContainer.fromBinder(hop.getNewParent());
if (newParent == null) {
Slog.e(TAG, "Can't resolve parent window from token");
return 0;
}
if (task.getParent() != newParent) {
if (newParent.asTaskDisplayArea() != null) {
// For now, reparenting to displayarea is different from other reparents...
as.reparent(newParent.asTaskDisplayArea(), hop.getToTop());
} else if (newParent.asTask() != null) {
if (newParent.inMultiWindowMode() && task.isLeafTask()) {
if (newParent.inPinnedWindowingMode()) {
Slog.w(TAG, "Can't support moving a task to another PIP window..."
+ " newParent=" + newParent + " task=" + task);
return 0;
}
if (!task.supportsMultiWindowInDisplayArea(
newParent.asTask().getDisplayArea())) {
Slog.w(TAG, "Can't support task that doesn't support multi-window"
+ " mode in multi-window mode... newParent=" + newParent
+ " task=" + task);
return 0;
}
}
task.reparent((Task) newParent,
hop.getToTop() ? POSITION_TOP : POSITION_BOTTOM,
false /*moveParents*/, "sanitizeAndApplyHierarchyOp");
} else {
throw new RuntimeException("Can only reparent task to another task or"
+ " taskDisplayArea, but not " + newParent);
}
} else {
final Task rootTask = (Task) (
(newParent != null && !(newParent instanceof TaskDisplayArea))
? newParent : task.getRootTask());
as.getDisplayArea().positionChildAt(
hop.getToTop() ? POSITION_TOP : POSITION_BOTTOM, rootTask,
false /* includingParents */);
}
} else {
throw new RuntimeException("Reparenting leaf Tasks is not supported now. " + task);
}
} else {
task.getParent().positionChildAt(
hop.getToTop() ? POSITION_TOP : POSITION_BOTTOM,
task, false /* includingParents */);
}
return TRANSACT_EFFECTS_LIFECYCLE;
}
private int reparentChildrenTasksHierarchyOp(WindowContainerTransaction.HierarchyOp hop,
@Nullable Transition transition, int syncId) {
WindowContainer currentParent = hop.getContainer() != null
? WindowContainer.fromBinder(hop.getContainer()) : null;
WindowContainer newParent = hop.getNewParent() != null
? WindowContainer.fromBinder(hop.getNewParent()) : null;
if (currentParent == null && newParent == null) {
throw new IllegalArgumentException("reparentChildrenTasksHierarchyOp: " + hop);
} else if (currentParent == null) {
currentParent = newParent.asTask().getDisplayContent().getDefaultTaskDisplayArea();
} else if (newParent == null) {
newParent = currentParent.asTask().getDisplayContent().getDefaultTaskDisplayArea();
}
if (currentParent == newParent) {
Slog.e(TAG, "reparentChildrenTasksHierarchyOp parent not changing: " + hop);
return 0;
}
if (!currentParent.isAttached()) {
Slog.e(TAG, "reparentChildrenTasksHierarchyOp currentParent detached="
+ currentParent + " hop=" + hop);
return 0;
}
if (!newParent.isAttached()) {
Slog.e(TAG, "reparentChildrenTasksHierarchyOp newParent detached="
+ newParent + " hop=" + hop);
return 0;
}
if (newParent.inPinnedWindowingMode()) {
Slog.e(TAG, "reparentChildrenTasksHierarchyOp newParent in PIP="
+ newParent + " hop=" + hop);
return 0;
}
final boolean newParentInMultiWindow = newParent.inMultiWindowMode();
final TaskDisplayArea newParentTda = newParent.asTask() != null
? newParent.asTask().getDisplayArea()
: newParent.asTaskDisplayArea();
final WindowContainer finalCurrentParent = currentParent;
Slog.i(TAG, "reparentChildrenTasksHierarchyOp"
+ " currentParent=" + currentParent + " newParent=" + newParent + " hop=" + hop);
// We want to collect the tasks first before re-parenting to avoid array shifting on us.
final ArrayList<Task> tasksToReparent = new ArrayList<>();
currentParent.forAllTasks((Function<Task, Boolean>) task -> {
Slog.i(TAG, " Processing task=" + task);
final boolean reparent;
if (task.mCreatedByOrganizer || task.getParent() != finalCurrentParent) {
// We only care about non-organized task that are direct children of the thing we
// are reparenting from.
return false;
}
if (newParentInMultiWindow && !task.supportsMultiWindowInDisplayArea(newParentTda)) {
Slog.e(TAG, "reparentChildrenTasksHierarchyOp non-resizeable task to multi window,"
+ " task=" + task);
return false;
}
if (!ArrayUtils.contains(hop.getActivityTypes(), task.getActivityType())
|| !ArrayUtils.contains(hop.getWindowingModes(), task.getWindowingMode())) {
return false;
}
if (hop.getToTop()) {
tasksToReparent.add(0, task);
} else {
tasksToReparent.add(task);
}
return hop.getReparentTopOnly() && tasksToReparent.size() == 1;
});
final int count = tasksToReparent.size();
for (int i = 0; i < count; ++i) {
final Task task = tasksToReparent.get(i);
if (syncId >= 0) {
addToSyncSet(syncId, task);
}
if (transition != null) transition.collect(task);
if (newParent instanceof TaskDisplayArea) {
// For now, reparenting to display area is different from other reparents...
task.reparent((TaskDisplayArea) newParent, hop.getToTop());
} else {
task.reparent((Task) newParent,
hop.getToTop() ? POSITION_TOP : POSITION_BOTTOM,
false /*moveParents*/, "processChildrenTaskReparentHierarchyOp");
}
}
if (transition != null) transition.collect(newParent);
return TRANSACT_EFFECTS_LIFECYCLE;
}
private int setAdjacentRootsHierarchyOp(WindowContainerTransaction.HierarchyOp hop) {
final TaskFragment root1 = WindowContainer.fromBinder(hop.getContainer()).asTaskFragment();
final TaskFragment root2 =
WindowContainer.fromBinder(hop.getAdjacentRoot()).asTaskFragment();
if (!root1.mCreatedByOrganizer || !root2.mCreatedByOrganizer) {
throw new IllegalArgumentException("setAdjacentRootsHierarchyOp: Not created by"
+ " organizer root1=" + root1 + " root2=" + root2);
}
root1.setAdjacentTaskFragment(root2, hop.getMoveAdjacentTogether());
return TRANSACT_EFFECTS_LIFECYCLE;
}
private void sanitizeWindowContainer(WindowContainer wc) {
if (!(wc instanceof TaskFragment) && !(wc instanceof DisplayArea)) {
throw new RuntimeException("Invalid token in task fragment or displayArea transaction");
}
}
private int applyWindowContainerChange(WindowContainer wc,
WindowContainerTransaction.Change c) {
sanitizeWindowContainer(wc);
int effects = applyChanges(wc, c);
if (wc instanceof DisplayArea) {
effects |= applyDisplayAreaChanges(wc.asDisplayArea(), c);
} else if (wc instanceof Task) {
effects |= applyTaskChanges(wc.asTask(), c);
}
return effects;
}
@Override
public ITaskOrganizerController getTaskOrganizerController() {
enforceTaskPermission("getTaskOrganizerController()");
return mTaskOrganizerController;
}
@Override
public IDisplayAreaOrganizerController getDisplayAreaOrganizerController() {
enforceTaskPermission("getDisplayAreaOrganizerController()");
return mDisplayAreaOrganizerController;
}
@Override
public ITaskFragmentOrganizerController getTaskFragmentOrganizerController() {
return mTaskFragmentOrganizerController;
}
@VisibleForTesting
int startSyncWithOrganizer(IWindowContainerTransactionCallback callback) {
int id = mService.mWindowManager.mSyncEngine.startSyncSet(this);
mTransactionCallbacksByPendingSyncId.put(id, callback);
return id;
}
@VisibleForTesting
void setSyncReady(int id) {
ProtoLog.v(WM_DEBUG_WINDOW_ORGANIZER, "Set sync ready, syncId=%d", id);
mService.mWindowManager.mSyncEngine.setReady(id);
}
@VisibleForTesting
void addToSyncSet(int syncId, WindowContainer wc) {
mService.mWindowManager.mSyncEngine.addToSyncSet(syncId, wc);
}
@Override
public void onTransactionReady(int syncId, SurfaceControl.Transaction t) {
ProtoLog.v(WM_DEBUG_WINDOW_ORGANIZER, "Transaction ready, syncId=%d", syncId);
final IWindowContainerTransactionCallback callback =
mTransactionCallbacksByPendingSyncId.get(syncId);
try {
callback.onTransactionReady(syncId, t);
} catch (RemoteException e) {
// If there's an exception when trying to send the mergedTransaction to the client, we
// should immediately apply it here so the transactions aren't lost.
t.apply();
}
mTransactionCallbacksByPendingSyncId.remove(syncId);
}
@Override
public void registerTransitionPlayer(ITransitionPlayer player) {
enforceTaskPermission("registerTransitionPlayer()");
final int callerPid = Binder.getCallingPid();
final int callerUid = Binder.getCallingUid();
final long ident = Binder.clearCallingIdentity();
try {
synchronized (mGlobalLock) {
final WindowProcessController wpc =
mService.getProcessController(callerPid, callerUid);
IApplicationThread appThread = null;
if (wpc != null) {
appThread = wpc.getThread();
}
mTransitionController.registerTransitionPlayer(player, appThread);
}
} finally {
Binder.restoreCallingIdentity(ident);
}
}
@Override
public ITransitionMetricsReporter getTransitionMetricsReporter() {
return mTransitionController.mTransitionMetricsReporter;
}
/** Whether the configuration changes are important to report back to an organizer. */
static boolean configurationsAreEqualForOrganizer(
Configuration newConfig, @Nullable Configuration oldConfig) {
if (oldConfig == null) {
return false;
}
int cfgChanges = newConfig.diff(oldConfig);
final int winCfgChanges = (cfgChanges & ActivityInfo.CONFIG_WINDOW_CONFIGURATION) != 0
? (int) newConfig.windowConfiguration.diff(oldConfig.windowConfiguration,
true /* compareUndefined */) : 0;
if ((winCfgChanges & CONTROLLABLE_WINDOW_CONFIGS) == 0) {
cfgChanges &= ~ActivityInfo.CONFIG_WINDOW_CONFIGURATION;
}
return (cfgChanges & CONTROLLABLE_CONFIGS) == 0;
}
private void enforceTaskPermission(String func) {
mService.enforceTaskPermission(func);
}
private void enforceTaskPermission(String func, WindowContainerTransaction t) {
if (t == null || t.getTaskFragmentOrganizer() == null) {
enforceTaskPermission(func);
return;
}
// Apps may not have the permission to manage Tasks, but we are allowing apps to manage
// TaskFragments belonging to their own Task.
enforceOperationsAllowedForTaskFragmentOrganizer(func, t);
}
/**
* Makes sure that the transaction only contains operations that are allowed for the
* {@link WindowContainerTransaction#getTaskFragmentOrganizer()}.
*/
private void enforceOperationsAllowedForTaskFragmentOrganizer(
String func, WindowContainerTransaction t) {
final ITaskFragmentOrganizer organizer = t.getTaskFragmentOrganizer();
// Configuration changes
final Iterator<Map.Entry<IBinder, WindowContainerTransaction.Change>> entries =
t.getChanges().entrySet().iterator();
while (entries.hasNext()) {
final Map.Entry<IBinder, WindowContainerTransaction.Change> entry = entries.next();
// Only allow to apply changes to TaskFragment that is created by this organizer.
enforceTaskFragmentOrganized(func, WindowContainer.fromBinder(entry.getKey()),
organizer);
}
// Hierarchy changes
final List<WindowContainerTransaction.HierarchyOp> hops = t.getHierarchyOps();
for (int i = hops.size() - 1; i >= 0; i--) {
final WindowContainerTransaction.HierarchyOp hop = hops.get(i);
final int type = hop.getType();
// Check for each type of the operations that are allowed for TaskFragmentOrganizer.
switch (type) {
case HIERARCHY_OP_TYPE_REORDER:
case HIERARCHY_OP_TYPE_DELETE_TASK_FRAGMENT:
enforceTaskFragmentOrganized(func,
WindowContainer.fromBinder(hop.getContainer()), organizer);
break;
case HIERARCHY_OP_TYPE_SET_ADJACENT_ROOTS:
enforceTaskFragmentOrganized(func,
WindowContainer.fromBinder(hop.getContainer()), organizer);
enforceTaskFragmentOrganized(func,
WindowContainer.fromBinder(hop.getAdjacentRoot()),
organizer);
break;
case HIERARCHY_OP_TYPE_CREATE_TASK_FRAGMENT:
// We are allowing organizer to create TaskFragment. We will check the
// ownerToken in #createTaskFragment, and trigger error callback if that is not
// valid.
case HIERARCHY_OP_TYPE_START_ACTIVITY_IN_TASK_FRAGMENT:
case HIERARCHY_OP_TYPE_REPARENT_ACTIVITY_TO_TASK_FRAGMENT:
case HIERARCHY_OP_TYPE_SET_ADJACENT_TASK_FRAGMENTS:
// We are allowing organizer to start/reparent activity to a TaskFragment it
// created, or set two TaskFragments adjacent to each other. Nothing to check
// here because the TaskFragment may not be created yet, but will be created in
// the same transaction.
break;
case HIERARCHY_OP_TYPE_REPARENT_CHILDREN:
enforceTaskFragmentOrganized(func,
WindowContainer.fromBinder(hop.getContainer()), organizer);
if (hop.getNewParent() != null) {
enforceTaskFragmentOrganized(func,
WindowContainer.fromBinder(hop.getNewParent()),
organizer);
}
break;
default:
// Other types of hierarchy changes are not allowed.
String msg = "Permission Denial: " + func + " from pid="
+ Binder.getCallingPid() + ", uid=" + Binder.getCallingUid()
+ " trying to apply a hierarchy change that is not allowed for"
+ " TaskFragmentOrganizer=" + organizer;
Slog.w(TAG, msg);
throw new SecurityException(msg);
}
}
}
private void enforceTaskFragmentOrganized(String func, @Nullable WindowContainer wc,
ITaskFragmentOrganizer organizer) {
if (wc == null) {
Slog.e(TAG, "Attempt to operate on window that no longer exists");
return;
}
final TaskFragment tf = wc.asTaskFragment();
if (tf == null || !tf.hasTaskFragmentOrganizer(organizer)) {
String msg = "Permission Denial: " + func + " from pid=" + Binder.getCallingPid()
+ ", uid=" + Binder.getCallingUid() + " trying to modify window container not"
+ " belonging to the TaskFragmentOrganizer=" + organizer;
Slog.w(TAG, msg);
throw new SecurityException(msg);
}
}
void createTaskFragment(@NonNull TaskFragmentCreationParams creationParams,
@Nullable IBinder errorCallbackToken, @NonNull CallerInfo caller) {
final ActivityRecord ownerActivity =
ActivityRecord.forTokenLocked(creationParams.getOwnerToken());
final ITaskFragmentOrganizer organizer = ITaskFragmentOrganizer.Stub.asInterface(
creationParams.getOrganizer().asBinder());
if (ownerActivity == null || ownerActivity.getTask() == null) {
final Throwable exception =
new IllegalArgumentException("Not allowed to operate with invalid ownerToken");
sendTaskFragmentOperationFailure(organizer, errorCallbackToken, exception);
return;
}
if (!ownerActivity.isResizeable()) {
final IllegalArgumentException exception = new IllegalArgumentException("Not allowed"
+ " to operate with non-resizable owner Activity");
sendTaskFragmentOperationFailure(organizer, errorCallbackToken, exception);
return;
}
// The ownerActivity has to belong to the same app as the target Task.
if (ownerActivity.getTask().effectiveUid != ownerActivity.getUid()
|| ownerActivity.getTask().effectiveUid != caller.mUid) {
final Throwable exception =
new IllegalArgumentException("Not allowed to operate with the ownerToken while "
+ "the root activity of the target task belong to the different app");
sendTaskFragmentOperationFailure(organizer, errorCallbackToken, exception);
return;
}
final TaskFragment taskFragment = new TaskFragment(mService,
creationParams.getFragmentToken(), true /* createdByOrganizer */);
// Set task fragment organizer immediately, since it might have to be notified about further
// actions.
taskFragment.setTaskFragmentOrganizer(creationParams.getOrganizer(),
ownerActivity.getUid(), ownerActivity.info.processName);
ownerActivity.getTask().addChild(taskFragment, POSITION_TOP);
taskFragment.setWindowingMode(creationParams.getWindowingMode());
taskFragment.setBounds(creationParams.getInitialBounds());
mLaunchTaskFragments.put(creationParams.getFragmentToken(), taskFragment);
}
void reparentTaskFragment(@NonNull WindowContainer oldParent,
@Nullable WindowContainer newParent, @Nullable IBinder errorCallbackToken) {
WindowContainer parent = newParent;
if (parent == null && oldParent.asTaskFragment() != null) {
parent = oldParent.asTaskFragment().getTask();
}
if (parent == null) {
final Throwable exception =
new IllegalArgumentException("Not allowed to operate with invalid container");
sendTaskFragmentOperationFailure(oldParent.asTaskFragment().getTaskFragmentOrganizer(),
errorCallbackToken, exception);
return;
}
while (oldParent.hasChild()) {
oldParent.getChildAt(0).reparent(parent, POSITION_TOP);
}
}
private int deleteTaskFragment(@NonNull TaskFragment taskFragment,
@Nullable IBinder errorCallbackToken) {
final int index = mLaunchTaskFragments.indexOfValue(taskFragment);
if (index < 0) {
final Throwable exception =
new IllegalArgumentException("Not allowed to operate with invalid "
+ "taskFragment");
sendTaskFragmentOperationFailure(taskFragment.getTaskFragmentOrganizer(),
errorCallbackToken, exception);
return 0;
}
mLaunchTaskFragments.removeAt(index);
taskFragment.remove(true /* withTransition */, "deleteTaskFragment");
return TRANSACT_EFFECTS_LIFECYCLE;
}
@Nullable
TaskFragment getTaskFragment(IBinder tfToken) {
return mLaunchTaskFragments.get(tfToken);
}
static class CallerInfo {
final int mPid;
final int mUid;
CallerInfo() {
mPid = Binder.getCallingPid();
mUid = Binder.getCallingUid();
}
}
void sendTaskFragmentOperationFailure(@NonNull ITaskFragmentOrganizer organizer,
@Nullable IBinder errorCallbackToken, @NonNull Throwable exception) {
if (organizer == null) {
throw new IllegalArgumentException("Not allowed to operate with invalid organizer");
}
mService.mTaskFragmentOrganizerController
.onTaskFragmentError(organizer, errorCallbackToken, exception);
}
private Throwable convertStartFailureToThrowable(int result, Intent intent) {
switch (result) {
case ActivityManager.START_INTENT_NOT_RESOLVED:
case ActivityManager.START_CLASS_NOT_FOUND:
return new ActivityNotFoundException("No Activity found to handle " + intent);
case ActivityManager.START_PERMISSION_DENIED:
return new SecurityException("Permission denied and not allowed to start activity "
+ intent);
case ActivityManager.START_CANCELED:
return new AndroidRuntimeException("Activity could not be started for " + intent
+ " with error code : " + result);
default:
return new AndroidRuntimeException("Start activity failed with error code : "
+ result + " when starting " + intent);
}
}
}