Merge "[Catalyst] Use the AbstractKeyedDataObservable in BatterySaverStore" into main (509c1d78) · Commits · e / os / android_packages_apps_Settings

src/com/android/settings/fuelgauge/batterysaver/BatterySaverPreference.kt

+34 −33

Original line number	Diff line number	Diff line
		@@ -21,27 +21,26 @@ import android.os.PowerManager
		import com.android.settings.R
		import com.android.settings.fuelgauge.BatterySaverReceiver
		import com.android.settings.fuelgauge.BatterySaverReceiver.BatterySaverListener
		import com.android.settingslib.datastore.AbstractKeyedDataObservable
		import com.android.settingslib.datastore.DataChangeReason
		import com.android.settingslib.datastore.KeyValueStore
		import com.android.settingslib.datastore.NoOpKeyedObservable
		import com.android.settingslib.datastore.Permissions
		import com.android.settingslib.fuelgauge.BatterySaverLogging.SAVER_ENABLED_SETTINGS
		import com.android.settingslib.fuelgauge.BatterySaverUtils
		import com.android.settingslib.fuelgauge.BatteryStatus
		import com.android.settingslib.fuelgauge.BatteryUtils
		import com.android.settingslib.metadata.MainSwitchPreference
		import com.android.settingslib.metadata.PreferenceLifecycleContext
		import com.android.settingslib.metadata.PreferenceLifecycleProvider
		import com.android.settingslib.metadata.ReadWritePermit
		import com.android.settingslib.metadata.SensitivityLevel
		import kotlinx.coroutines.CoroutineScope
		import kotlinx.coroutines.Dispatchers
		import kotlinx.coroutines.cancel
		import kotlinx.coroutines.delay
		import kotlinx.coroutines.launch

		// LINT.IfChange
		class BatterySaverPreference :
		MainSwitchPreference(KEY, R.string.battery_saver_master_switch_title),
		PreferenceLifecycleProvider {

		private var batterySaverReceiver: BatterySaverReceiver? = null
		MainSwitchPreference(KEY, R.string.battery_saver_master_switch_title) {

		override fun storage(context: Context) = BatterySaverStore(context)

		@@ -66,34 +65,12 @@ class BatterySaverPreference :
		override fun isEnabled(context: Context) =
		!BatteryStatus(BatteryUtils.getBatteryIntent(context)).isPluggedIn

		override fun onStart(context: PreferenceLifecycleContext) {
		BatterySaverReceiver(context).apply {
		batterySaverReceiver = this
		setBatterySaverListener(
		object : BatterySaverListener {
		override fun onPowerSaveModeChanged() {
		context.lifecycleScope.launch {
		delay(SWITCH_ANIMATION_DURATION)
		context.notifyPreferenceChange(KEY)
		}
		}

		override fun onBatteryChanged(pluggedIn: Boolean) =
		context.notifyPreferenceChange(KEY)
		}
		)
		setListening(true)
		}
		}

		override fun onStop(context: PreferenceLifecycleContext) {
		batterySaverReceiver?.setListening(false)
		batterySaverReceiver = null
		}

		@Suppress("UNCHECKED_CAST")
		class BatterySaverStore(private val context: Context) :
		NoOpKeyedObservable<String>(), KeyValueStore {
		AbstractKeyedDataObservable<String>(), KeyValueStore, BatterySaverListener {
		private lateinit var batterySaverReceiver: BatterySaverReceiver
		private lateinit var scope: CoroutineScope

		override fun contains(key: String) = key == KEY

		override fun <T : Any> getValue(key: String, valueType: Class<T>) =
		@@ -110,6 +87,30 @@ class BatterySaverPreference :

		private fun Context.isPowerSaveMode() =
		getSystemService(PowerManager::class.java)?.isPowerSaveMode == true

		override fun onFirstObserverAdded() {
		scope = CoroutineScope(Dispatchers.Main)
		batterySaverReceiver =
		BatterySaverReceiver(context).apply {
		setBatterySaverListener(this@BatterySaverStore)
		setListening(true)
		}
		}

		override fun onLastObserverRemoved() {
		scope.cancel()
		batterySaverReceiver.setListening(false)
		}

		override fun onPowerSaveModeChanged() {
		scope.launch {
		delay(SWITCH_ANIMATION_DURATION)
		notifyChange(KEY, DataChangeReason.UPDATE)
		}
		}

		override fun onBatteryChanged(pluggedIn: Boolean) =
		notifyChange(KEY, DataChangeReason.UPDATE)
		}

		companion object {