1 /* <lambda>null2 * Copyright (C) 2024 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.recents.data 18 19 import android.os.UserHandle 20 import android.util.Log 21 import com.android.quickstep.HighResLoadingState.HighResLoadingStateChangedCallback 22 import com.android.quickstep.recents.data.TaskVisualsChangedDelegate.TaskIconChangedCallback 23 import com.android.quickstep.recents.data.TaskVisualsChangedDelegate.TaskThumbnailChangedCallback 24 import com.android.quickstep.util.TaskVisualsChangeListener 25 import com.android.systemui.shared.recents.model.Task 26 import com.android.systemui.shared.recents.model.ThumbnailData 27 import java.util.concurrent.ConcurrentHashMap 28 29 /** Delegates the checking of task visuals (thumbnails, high res changes, icons) */ 30 interface TaskVisualsChangedDelegate : 31 TaskVisualsChangeListener, HighResLoadingStateChangedCallback { 32 /** Registers a callback for visuals relating to icons */ 33 fun registerTaskIconChangedCallback( 34 taskKey: Task.TaskKey, 35 taskIconChangedCallback: TaskIconChangedCallback, 36 ) 37 38 /** Unregisters a callback for visuals relating to icons */ 39 fun unregisterTaskIconChangedCallback(taskKey: Task.TaskKey) 40 41 /** Registers a callback for visuals relating to thumbnails */ 42 fun registerTaskThumbnailChangedCallback( 43 taskKey: Task.TaskKey, 44 taskThumbnailChangedCallback: TaskThumbnailChangedCallback, 45 ) 46 47 /** Unregisters a callback for visuals relating to thumbnails */ 48 fun unregisterTaskThumbnailChangedCallback(taskKey: Task.TaskKey) 49 50 /** A callback for task icon changes */ 51 interface TaskIconChangedCallback { 52 /** Informs the listener that the task icon has changed */ 53 fun onTaskIconChanged() 54 } 55 56 /** A callback for task thumbnail changes */ 57 interface TaskThumbnailChangedCallback { 58 /** Informs the listener that the task thumbnail data has changed to [thumbnailData] */ 59 fun onTaskThumbnailChanged(thumbnailData: ThumbnailData?) 60 61 /** Informs the listener that the default resolution for loading thumbnails has changed */ 62 fun onHighResLoadingStateChanged(highResEnabled: Boolean) 63 } 64 } 65 66 class TaskVisualsChangedDelegateImpl( 67 private val taskVisualsChangeNotifier: TaskVisualsChangeNotifier, 68 private val highResLoadingStateNotifier: HighResLoadingStateNotifier, 69 ) : TaskVisualsChangedDelegate { 70 private val taskIconChangedCallbacks = 71 ConcurrentHashMap<Int, Pair<Task.TaskKey, TaskIconChangedCallback>>() 72 private val taskThumbnailChangedCallbacks = 73 ConcurrentHashMap<Int, Pair<Task.TaskKey, TaskThumbnailChangedCallback>>() 74 onTaskIconChangednull75 override fun onTaskIconChanged(taskId: Int) { 76 taskIconChangedCallbacks[taskId]?.let { (_, callback) -> callback.onTaskIconChanged() } 77 } 78 onTaskIconChangednull79 override fun onTaskIconChanged(pkg: String, user: UserHandle) { 80 taskIconChangedCallbacks.values 81 .filter { (taskKey, _) -> 82 pkg == taskKey.packageName && user.identifier == taskKey.userId 83 } 84 .forEach { (_, callback) -> callback.onTaskIconChanged() } 85 } 86 onTaskThumbnailChangednull87 override fun onTaskThumbnailChanged(taskId: Int, thumbnailData: ThumbnailData?): Task? { 88 taskThumbnailChangedCallbacks[taskId]?.let { (_, callback) -> 89 callback.onTaskThumbnailChanged(thumbnailData) 90 } 91 return null 92 } 93 onHighResLoadingStateChangednull94 override fun onHighResLoadingStateChanged(enabled: Boolean) { 95 Log.d(TAG, "onHighResLoadingStateChanged(enabled = $enabled)") 96 taskThumbnailChangedCallbacks.values.forEach { (_, callback) -> 97 callback.onHighResLoadingStateChanged(enabled) 98 } 99 } 100 registerTaskIconChangedCallbacknull101 override fun registerTaskIconChangedCallback( 102 taskKey: Task.TaskKey, 103 taskIconChangedCallback: TaskIconChangedCallback, 104 ) { 105 updateCallbacks { 106 taskIconChangedCallbacks[taskKey.id] = taskKey to taskIconChangedCallback 107 } 108 } 109 unregisterTaskIconChangedCallbacknull110 override fun unregisterTaskIconChangedCallback(taskKey: Task.TaskKey) { 111 updateCallbacks { taskIconChangedCallbacks.remove(taskKey.id) } 112 } 113 registerTaskThumbnailChangedCallbacknull114 override fun registerTaskThumbnailChangedCallback( 115 taskKey: Task.TaskKey, 116 taskThumbnailChangedCallback: TaskThumbnailChangedCallback, 117 ) { 118 updateCallbacks { 119 taskThumbnailChangedCallbacks[taskKey.id] = taskKey to taskThumbnailChangedCallback 120 } 121 } 122 unregisterTaskThumbnailChangedCallbacknull123 override fun unregisterTaskThumbnailChangedCallback(taskKey: Task.TaskKey) { 124 updateCallbacks { taskThumbnailChangedCallbacks.remove(taskKey.id) } 125 } 126 127 @Synchronized updateCallbacksnull128 private fun updateCallbacks(callbackModifier: () -> Unit) { 129 val prevHasCallbacks = 130 taskIconChangedCallbacks.size + taskThumbnailChangedCallbacks.size > 0 131 callbackModifier() 132 133 val currHasCallbacks = 134 taskIconChangedCallbacks.size + taskThumbnailChangedCallbacks.size > 0 135 136 when { 137 prevHasCallbacks && !currHasCallbacks -> { 138 taskVisualsChangeNotifier.removeThumbnailChangeListener(this) 139 highResLoadingStateNotifier.removeCallback(this) 140 } 141 !prevHasCallbacks && currHasCallbacks -> { 142 taskVisualsChangeNotifier.addThumbnailChangeListener(this) 143 highResLoadingStateNotifier.addCallback(this) 144 } 145 } 146 } 147 148 companion object { 149 const val TAG = "TaskVisualsChangedDelegateImpl" 150 } 151 } 152