| /* |
| * 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.content.ComponentName; |
| import android.os.IBinder; |
| import android.os.UserHandle; |
| import android.util.Log; |
| |
| 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 onPinnedActivityRestartAttempt(boolean clearedTask) { } |
| public void onPinnedStackAnimationStarted() { } |
| public void onPinnedStackAnimationEnded() { } |
| 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) { } |
| |
| 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); |
| } |
| |
| 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) { } |
| |
| /** |
| * Checks that the current user matches the process. Since |
| * {@link android.app.ITaskStackListener} is not multi-user aware, handlers of |
| * {@link TaskStackChangeListener} should make this call to verify that we don't act on events |
| * originating from another user's interactions. |
| */ |
| protected final boolean checkCurrentUserId(int currentUserId, boolean debug) { |
| int processUserId = UserHandle.myUserId(); |
| if (processUserId != currentUserId) { |
| if (debug) { |
| Log.d("TaskStackChangeListener", "UID mismatch. Process is uid=" + processUserId |
| + " and the current user is uid=" + currentUserId); |
| } |
| return false; |
| } |
| return true; |
| } |
| } |