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/*
* 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)
}
}
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