1 /*
2  * Copyright (C) 2022 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.quickstep.util;
18 
19 import android.os.UserHandle;
20 
21 import com.android.systemui.shared.recents.model.Task;
22 import com.android.systemui.shared.recents.model.ThumbnailData;
23 
24 /**
25  * Listener for receiving various task properties changes
26  */
27 public interface TaskVisualsChangeListener {
28 
29     /**
30      * Called when the task thumbnail changes
31      */
onTaskThumbnailChanged(int taskId, ThumbnailData thumbnailData)32     default Task onTaskThumbnailChanged(int taskId, ThumbnailData thumbnailData) {
33         return null;
34     }
35 
36     /**
37      * Called when the icon for a task changes
38      */
onTaskIconChanged(String pkg, UserHandle user)39     default void onTaskIconChanged(String pkg, UserHandle user) {}
40 
41     /**
42      * Called when the icon for a task changes
43      */
onTaskIconChanged(int taskId)44     default void onTaskIconChanged(int taskId) {}
45 }
46