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 distributed 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 com.android.wm.shell.recents.IRecentTasksListener;
20 import com.android.wm.shell.util.GroupedRecentTaskInfo;
21 
22 /**
23  * Interface that is exposed to remote callers to fetch recent tasks.
24  */
25 interface IRecentTasks {
26 
27     /**
28      * Registers a recent tasks listener.
29      */
30     oneway void registerRecentTasksListener(in IRecentTasksListener listener) = 1;
31 
32     /**
33      * Unregisters a recent tasks listener.
34      */
35     oneway void unregisterRecentTasksListener(in IRecentTasksListener listener) = 2;
36 
37     /**
38      * Gets the set of recent tasks.
39      */
getRecentTasks(int maxNum, int flags, int userId)40     GroupedRecentTaskInfo[] getRecentTasks(int maxNum, int flags, int userId) = 3;
41 }
42