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.media.controls.shared.model
18 
19 import android.app.smartspace.SmartspaceTarget
20 import android.util.Log
21 import com.android.systemui.plugins.BcSmartspaceDataPlugin
22 import com.android.systemui.plugins.BcSmartspaceDataPlugin.SmartspaceTargetListener
23 import javax.inject.Inject
24 
25 private const val TAG = "SsMediaDataProvider"
26 
27 /** Provides SmartspaceTargets of media types for SystemUI media control. */
28 class SmartspaceMediaDataProvider @Inject constructor() : BcSmartspaceDataPlugin {
29 
30     private val smartspaceMediaTargetListeners: MutableList<SmartspaceTargetListener> =
31         mutableListOf()
32 
registerListenernull33     override fun registerListener(smartspaceTargetListener: SmartspaceTargetListener) {
34         smartspaceMediaTargetListeners.add(smartspaceTargetListener)
35     }
36 
unregisterListenernull37     override fun unregisterListener(smartspaceTargetListener: SmartspaceTargetListener?) {
38         smartspaceMediaTargetListeners.remove(smartspaceTargetListener)
39     }
40 
41     /** Updates Smartspace data and propagates it to any listeners. */
onTargetsAvailablenull42     override fun onTargetsAvailable(targets: List<SmartspaceTarget>) {
43         Log.d(TAG, "Forwarding Smartspace updates $targets")
44         smartspaceMediaTargetListeners.forEach { it.onSmartspaceTargetsUpdated(targets) }
45     }
46 }
47