| /* |
| * Copyright (C) 2020 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.systemui.util |
| |
| import android.content.BroadcastReceiver |
| import android.content.Context |
| import android.content.Intent |
| import android.content.IntentFilter |
| import android.media.AudioManager |
| import android.os.UserHandle |
| import androidx.lifecycle.LiveData |
| import androidx.lifecycle.MutableLiveData |
| import com.android.systemui.broadcast.BroadcastDispatcher |
| import com.android.systemui.dagger.SysUISingleton |
| import com.android.systemui.dagger.qualifiers.Background |
| import java.util.concurrent.Executor |
| import javax.inject.Inject |
| |
| @SysUISingleton |
| class RingerModeTrackerImpl @Inject constructor( |
| audioManager: AudioManager, |
| broadcastDispatcher: BroadcastDispatcher, |
| @Background executor: Executor |
| ) : RingerModeTracker { |
| |
| override val ringerMode: LiveData<Int> = RingerModeLiveData( |
| broadcastDispatcher, |
| executor, |
| AudioManager.RINGER_MODE_CHANGED_ACTION, |
| audioManager::getRingerMode |
| ) |
| |
| override val ringerModeInternal: LiveData<Int> = RingerModeLiveData( |
| broadcastDispatcher, |
| executor, |
| AudioManager.INTERNAL_RINGER_MODE_CHANGED_ACTION, |
| audioManager::getRingerModeInternal |
| ) |
| } |
| |
| class RingerModeLiveData( |
| private val broadcastDispatcher: BroadcastDispatcher, |
| private val executor: Executor, |
| intent: String, |
| private val getter: () -> Int |
| ) : MutableLiveData<Int>() { |
| |
| private val filter = IntentFilter(intent) |
| var initialSticky: Boolean = false |
| private set |
| |
| private val receiver = object : BroadcastReceiver() { |
| override fun onReceive(context: Context, intent: Intent) { |
| initialSticky = isInitialStickyBroadcast |
| postValue(intent.getIntExtra(AudioManager.EXTRA_RINGER_MODE, -1)) |
| } |
| } |
| |
| override fun getValue(): Int { |
| return super.getValue() ?: -1 |
| } |
| |
| override fun onActive() { |
| super.onActive() |
| broadcastDispatcher.registerReceiver(receiver, filter, executor, UserHandle.ALL) |
| executor.execute { |
| postValue(getter()) |
| } |
| } |
| |
| override fun onInactive() { |
| super.onInactive() |
| broadcastDispatcher.unregisterReceiver(receiver) |
| } |
| } |