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 {
27     suspend fun loadThumbnail(taskId: Int): ThumbnailData?
28 }
29 
30 class ActivityTaskManagerThumbnailLoader
31 @Inject
32 constructor(
33     @Background private val coroutineDispatcher: CoroutineDispatcher,
34     private val activityManager: ActivityManagerWrapper
35 ) : RecentTaskThumbnailLoader {
36 
37     override suspend fun loadThumbnail(taskId: Int): ThumbnailData? =
38         withContext(coroutineDispatcher) {
39             val thumbnailData =
40                 activityManager.getTaskThumbnail(taskId, /* isLowResolution= */ false)
41             if (thumbnailData.thumbnail == null) null else thumbnailData
42         }
43 }
44