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.systemui.mediaprojection.appselector.data
18 
19 import com.android.systemui.dagger.qualifiers.Background
20 import com.android.systemui.shared.recents.model.ThumbnailData
21 import com.android.systemui.shared.system.ActivityManagerWrapper
22 import javax.inject.Inject
23 import kotlinx.coroutines.CoroutineDispatcher
24 import kotlinx.coroutines.withContext
25 
26 interface RecentTaskThumbnailLoader {
loadThumbnailnull27     suspend fun loadThumbnail(taskId: Int): ThumbnailData?
28 
29     suspend fun captureThumbnail(taskId: Int): ThumbnailData?
30 }
31 
32 class ActivityTaskManagerThumbnailLoader
33 @Inject
34 constructor(
35     @Background private val coroutineDispatcher: CoroutineDispatcher,
36     private val activityManager: ActivityManagerWrapper
37 ) : RecentTaskThumbnailLoader {
38 
39     override suspend fun loadThumbnail(taskId: Int): ThumbnailData? =
40         withContext(coroutineDispatcher) {
41             activityManager.getTaskThumbnail(taskId, /* isLowResolution= */ false).takeIf {
42                 it.thumbnail != null
43             }
44         }
45 
46     override suspend fun captureThumbnail(taskId: Int): ThumbnailData? =
47         withContext(coroutineDispatcher) {
48             activityManager.takeTaskThumbnail(taskId).takeIf { it.thumbnail != null }
49         }
50 }
51