1 /*
2  * Copyright (C) 2020 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.permissioncontroller.permission.data
18 
19 import android.content.BroadcastReceiver
20 import android.content.Context
21 import android.content.Intent
22 import android.content.IntentFilter
23 import android.media.AudioManager
24 import com.android.permissioncontroller.PermissionControllerApplication
25 import kotlinx.coroutines.Job
26 
27 /** Tracks whether the mic is muted or not */
28 val micMutedLiveData =
29     object : SmartAsyncMediatorLiveData<Boolean>() {
30         private val app = PermissionControllerApplication.get()
31 
32         private val isMicMuteRecevicer =
33             object : BroadcastReceiver() {
onReceivenull34                 override fun onReceive(context: Context?, intent: Intent?) {
35                     update()
36                 }
37             }
38 
loadDataAndPostValuenull39         override suspend fun loadDataAndPostValue(job: Job) {
40             postValue(app.getSystemService(AudioManager::class.java)!!.isMicrophoneMute())
41         }
42 
onActivenull43         override fun onActive() {
44             super.onActive()
45 
46             app.registerReceiver(
47                 isMicMuteRecevicer,
48                 IntentFilter(AudioManager.ACTION_MICROPHONE_MUTE_CHANGED)
49             )
50             update()
51         }
52 
onInactivenull53         override fun onInactive() {
54             super.onInactive()
55 
56             app.unregisterReceiver(isMicMuteRecevicer)
57         }
58     }
59