1 /*
2  * Copyright (C) 2021 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distshellributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package com.android.wm.shell.recents;
18 
19 import android.app.ActivityManager.RunningTaskInfo;
20 
21 /**
22  * Listener interface that Launcher attaches to SystemUI to get split-screen callbacks.
23  */
24 oneway interface IRecentTasksListener {
25 
26     /**
27      * Called when the set of recent tasks change.
28      */
onRecentTasksChanged()29     void onRecentTasksChanged();
30 
31     /**
32      * Called when a running task appears.
33      */
onRunningTaskAppeared(in RunningTaskInfo taskInfo)34     void onRunningTaskAppeared(in RunningTaskInfo taskInfo);
35 
36     /**
37      * Called when a running task vanishes.
38      */
onRunningTaskVanished(in RunningTaskInfo taskInfo)39     void onRunningTaskVanished(in RunningTaskInfo taskInfo);
40 
41     /**
42      * Called when a running task changes.
43      */
onRunningTaskChanged(in RunningTaskInfo taskInfo)44     void onRunningTaskChanged(in RunningTaskInfo taskInfo);
45 
46     /** A task has moved to front. */
onTaskMovedToFront(in RunningTaskInfo taskInfo)47     oneway void onTaskMovedToFront(in RunningTaskInfo taskInfo);
48 }