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/*
* Copyright (C) 2019 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 android.window;
import android.view.SurfaceControl;
import android.app.ActivityManager;
import android.window.WindowContainerToken;
/**
* Interface for ActivityTaskManager/WindowManager to delegate control of tasks.
* {@hide}
*/
oneway interface ITaskOrganizer {
/**
* A callback when the Task is available for the registered organizer. The client is responsible
* for releasing the SurfaceControl in the callback.
*
* @param taskInfo The information about the Task that's available
* @param leash A persistent leash for this Task.
*/
void onTaskAppeared(in ActivityManager.RunningTaskInfo taskInfo, in SurfaceControl leash);
void onTaskVanished(in ActivityManager.RunningTaskInfo taskInfo);
/**
* Will fire when core attributes of a Task's info change. Relevant properties include the
* {@link WindowConfiguration.ActivityType} and whether it is resizable.
*
* This is used, for example, during split-screen. The flow for starting is: Something sends an
* Intent with windowingmode. Then WM finds a matching root task and launches the new task into
* it. This causes the root task's info to change because now it has a task when it didn't
* before. The default Divider implementation interprets this as a request to enter
* split-screen mode and will move all other Tasks into the secondary root task. When WM
* applies this change, it triggers an info change in the secondary root task because it now
* has children. The Divider impl looks at the info and can see that the secondary root task
* has adopted an ActivityType of HOME and proceeds to show the minimized dock UX.
*/
void onTaskInfoChanged(in ActivityManager.RunningTaskInfo taskInfo);
/**
* Called when the task organizer has requested
* {@link ITaskOrganizerController.setInterceptBackPressedOnTaskRoot} to get notified when the
* user has pressed back on the root activity of a task controlled by the task organizer.
*/
void onBackPressedOnTaskRoot(in ActivityManager.RunningTaskInfo taskInfo);
}
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