Migrate Use Battery Saver (23367e38) · Commits · e / os / android_packages_apps_Settings

src/com/android/settings/fuelgauge/batterysaver/BatterySaverButtonPreferenceController.java

+2 −0

Original line number	Diff line number	Diff line
		@@ -38,6 +38,7 @@ import com.android.settingslib.fuelgauge.BatterySaverUtils;
		import com.android.settingslib.widget.MainSwitchPreference;

		/** Controller to update the battery saver button */
		// LINT.IfChange
		public class BatterySaverButtonPreferenceController extends TogglePreferenceController
		implements LifecycleObserver, OnStart, OnStop, BatterySaverReceiver.BatterySaverListener {
		private static final long SWITCH_ANIMATION_DURATION = 350L;
		@@ -129,3 +130,4 @@ public class BatterySaverButtonPreferenceController extends TogglePreferenceCont
		}
		}
		}
		// LINT.ThenChange(BatterySaverPreference.kt)

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

0 → 100644

+100 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2024 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.settings.fuelgauge.batterysaver

		import android.content.Context
		import android.os.Handler
		import android.os.Looper
		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.KeyValueStore
		import com.android.settingslib.datastore.NoOpKeyedObservable
		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

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

		private var batterySaverReceiver: BatterySaverReceiver? = null
		private val handler by lazy { Handler(Looper.getMainLooper()) }

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

		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() {
		handler.postDelayed(
		{ context.notifyPreferenceChange(this@BatterySaverPreference) },
		SWITCH_ANIMATION_DURATION,
		)
		}

		override fun onBatteryChanged(pluggedIn: Boolean) =
		context.notifyPreferenceChange(this@BatterySaverPreference)
		}
		)
		setListening(true)
		}
		}

		override fun onStop(context: PreferenceLifecycleContext) {
		batterySaverReceiver?.setListening(false)
		batterySaverReceiver = null
		handler.removeCallbacksAndMessages(null /* token */)
		}

		@Suppress("UNCHECKED_CAST")
		class BatterySaverStore(private val context: Context) :
		NoOpKeyedObservable<String>(), KeyValueStore {
		override fun contains(key: String) = key == KEY

		override fun <T : Any> getValue(key: String, valueType: Class<T>) =
		context.isPowerSaveMode() as T

		override fun <T : Any> setValue(key: String, valueType: Class<T>, value: T?) {
		BatterySaverUtils.setPowerSaveMode(
		context,
		value as Boolean,
		/* needFirstTimeWarning= */ false,
		SAVER_ENABLED_SETTINGS,
		)
		}

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

		companion object {
		private const val KEY = "battery_saver"
		private const val SWITCH_ANIMATION_DURATION: Long = 350L
		}
		}
		// LINT.ThenChange(BatterySaverButtonPreferenceController.java)

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

+3 −1

Original line number	Diff line number	Diff line
		@@ -39,7 +39,9 @@ class BatterySaverScreen : PreferenceScreenCreator {

		override fun hasCompleteHierarchy() = false

		override fun getPreferenceHierarchy(context: Context) = preferenceHierarchy(this) {}
		override fun getPreferenceHierarchy(context: Context) = preferenceHierarchy(this) {
		+BatterySaverPreference()
		}

		companion object {
		const val KEY = "battery_saver_screen"

tests/robotests/src/com/android/settings/fuelgauge/batterysaver/BatterySaverButtonPreferenceControllerTest.java

+2 −0

Original line number	Diff line number	Diff line
		@@ -40,6 +40,7 @@ import org.mockito.MockitoAnnotations;
		import org.robolectric.RobolectricTestRunner;
		import org.robolectric.RuntimeEnvironment;

		// LINT.IfChange
		@RunWith(RobolectricTestRunner.class)
		public class BatterySaverButtonPreferenceControllerTest {

		@@ -120,3 +121,4 @@ public class BatterySaverButtonPreferenceControllerTest {
		assertThat(mController.isPublicSlice()).isTrue();
		}
		}
		// LINT.ThenChange(BatterySaverPreferenceTest.kt)

tests/robotests/src/com/android/settings/fuelgauge/batterysaver/BatterySaverPreferenceTest.kt

0 → 100644

+107 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2024 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.settings.fuelgauge.batterysaver

		import android.content.BroadcastReceiver
		import android.content.Context
		import android.content.ContextWrapper
		import android.content.Intent
		import android.content.IntentFilter
		import android.os.BatteryManager.EXTRA_PLUGGED
		import android.os.PowerManager
		import androidx.test.core.app.ApplicationProvider
		import androidx.test.ext.junit.runners.AndroidJUnit4
		import com.android.settingslib.preference.createAndBindWidget
		import com.android.settingslib.widget.MainSwitchPreference
		import com.google.common.truth.Truth.assertThat
		import org.junit.Test
		import org.junit.runner.RunWith
		import org.mockito.kotlin.doReturn
		import org.mockito.kotlin.mock
		import org.mockito.kotlin.stub
		import org.mockito.kotlin.verify

		// LINT.IfChange
		@RunWith(AndroidJUnit4::class)
		class BatterySaverPreferenceTest {
		private val powerManager = mock<PowerManager>()

		private val context: Context =
		object : ContextWrapper(ApplicationProvider.getApplicationContext()) {
		override fun getSystemService(name: String): Any? =
		when {
		name == getSystemServiceName(PowerManager::class.java) -> powerManager
		else -> super.getSystemService(name)
		}

		override fun registerReceiver(receiver: BroadcastReceiver?, filter: IntentFilter?) =
		Intent().putExtra(EXTRA_PLUGGED, 0)
		}

		private val contextPlugIn: Context =
		object : ContextWrapper(ApplicationProvider.getApplicationContext()) {
		override fun registerReceiver(receiver: BroadcastReceiver?, filter: IntentFilter?) =
		Intent().putExtra(EXTRA_PLUGGED, 1)
		}

		private val batterySaverPreference = BatterySaverPreference()

		@Test
		fun lowPowerOn_preferenceIsChecked() {
		powerManager.stub { on { isPowerSaveMode } doReturn true }

		assertThat(getMainSwitchPreference().isChecked).isTrue()
		}

		@Test
		fun lowPowerOff_preferenceIsUnChecked() {
		powerManager.stub { on { isPowerSaveMode } doReturn false }

		assertThat(getMainSwitchPreference().isChecked).isFalse()
		}

		@Test
		fun storeSetOn_setPowerSaveMode() {
		batterySaverPreference
		.storage(context)
		.setValue(batterySaverPreference.key, Boolean::class.javaObjectType, true)

		verify(powerManager).setPowerSaveModeEnabled(true)
		}

		@Test
		fun storeSetOff_unsetPowerSaveMode() {
		batterySaverPreference
		.storage(context)
		.setValue(batterySaverPreference.key, Boolean::class.javaObjectType, false)

		verify(powerManager).setPowerSaveModeEnabled(false)
		}

		@Test
		fun isUnPlugIn_preferenceEnabled() {
		assertThat(getMainSwitchPreference().isEnabled).isTrue()
		}

		@Test
		fun isPlugIn_preferenceDisabled() {
		assertThat(getMainSwitchPreference(contextPlugIn).isEnabled).isFalse()
		}

		private fun getMainSwitchPreference(ctx: Context = context) =
		batterySaverPreference.createAndBindWidget<MainSwitchPreference>(ctx)
		}
		// LINT.ThenChange(BatterySaverButtonPreferenceControllerTest.java)