| /* |
| * Copyright (C) 2017 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.systemui.shared.system; |
| |
| import android.app.ActivityManager.RunningTaskInfo; |
| import android.app.ITaskStackListener; |
| import android.content.ComponentName; |
| import android.os.IBinder; |
| |
| import com.android.systemui.shared.recents.model.ThumbnailData; |
| |
| /** |
| * An interface to track task stack changes. Classes should implement this instead of |
| * {@link android.app.ITaskStackListener} to reduce IPC calls from system services. |
| */ |
| public abstract class TaskStackChangeListener { |
| |
| // Binder thread callbacks |
| public void onTaskStackChangedBackground() { } |
| |
| // Main thread callbacks |
| public void onTaskStackChanged() { } |
| public void onTaskSnapshotChanged(int taskId, ThumbnailData snapshot) { } |
| public void onActivityPinned(String packageName, int userId, int taskId, int stackId) { } |
| public void onActivityUnpinned() { } |
| public void onActivityRestartAttempt(RunningTaskInfo task, boolean homeTaskVisible, |
| boolean clearedTask) { } |
| public void onActivityForcedResizable(String packageName, int taskId, int reason) { } |
| public void onActivityDismissingDockedStack() { } |
| public void onActivityLaunchOnSecondaryDisplayFailed() { } |
| |
| public void onActivityLaunchOnSecondaryDisplayFailed(RunningTaskInfo taskInfo) { |
| onActivityLaunchOnSecondaryDisplayFailed(); |
| } |
| |
| /** |
| * @see #onActivityLaunchOnSecondaryDisplayRerouted(RunningTaskInfo taskInfo) |
| */ |
| public void onActivityLaunchOnSecondaryDisplayRerouted() { } |
| |
| /** |
| * Called when an activity was requested to be launched on a secondary display but was rerouted |
| * to default display. |
| * |
| * @param taskInfo info about the Activity's task |
| */ |
| public void onActivityLaunchOnSecondaryDisplayRerouted(RunningTaskInfo taskInfo) { |
| onActivityLaunchOnSecondaryDisplayRerouted(); |
| } |
| |
| /** |
| * Called when contents are drawn for the first time on a display which can only contain one |
| * task. |
| * |
| * @param displayId the id of the display on which contents are drawn. |
| */ |
| public void onSingleTaskDisplayDrawn(int displayId) { } |
| |
| /** |
| * Called when the last task is removed from a display which can only contain one task. |
| * |
| * @param displayId the id of the display from which the window is removed. |
| */ |
| public void onSingleTaskDisplayEmpty(int displayId) {} |
| |
| public void onTaskProfileLocked(int taskId, int userId) { } |
| public void onTaskCreated(int taskId, ComponentName componentName) { } |
| public void onTaskRemoved(int taskId) { } |
| public void onTaskMovedToFront(int taskId) { } |
| |
| public void onTaskMovedToFront(RunningTaskInfo taskInfo) { |
| onTaskMovedToFront(taskInfo.taskId); |
| } |
| |
| /** |
| * Called when a task’s description is changed due to an activity calling |
| * ActivityManagerService.setTaskDescription |
| * |
| * @param taskInfo info about the task which changed, with {@link TaskInfo#taskDescription} |
| */ |
| public void onTaskDescriptionChanged(RunningTaskInfo taskInfo) { } |
| |
| public void onActivityRequestedOrientationChanged(int taskId, int requestedOrientation) { } |
| public void onSizeCompatModeActivityChanged(int displayId, IBinder activityToken) { } |
| |
| public void onBackPressedOnTaskRoot(RunningTaskInfo taskInfo) { } |
| |
| /** |
| * Called when a task is reparented to a stack on a different display. |
| * |
| * @param taskId id of the task which was moved to a different display. |
| * @param newDisplayId id of the new display. |
| */ |
| public void onTaskDisplayChanged(int taskId, int newDisplayId) { } |
| |
| /** |
| * Called when any additions or deletions to the recent tasks list have been made. |
| */ |
| public void onRecentTaskListUpdated() { } |
| |
| /** @see ITaskStackListener#onRecentTaskListFrozenChanged(boolean) */ |
| public void onRecentTaskListFrozenChanged(boolean frozen) { } |
| } |