Merge "Create preference to allow user to toggle sticky battery saver"

    <!-- Battery saver: Title for battery saver schedule screen [CHAR_LIMIT=40] -->

    <string name="battery_saver_schedule_settings_title">Set a schedule</string>

    <!-- Battery Saver: Title for sticky battery saver preference [CHAR_LIMIT=60] -->

    <string name="battery_saver_sticky_title">Keep battery saver on</string>

    <!-- Battery Saver: Description for sticky battery saver preference [CHAR_LIMIT=NONE] -->

    <string name="battery_saver_sticky_description">Battery saver will stay on even after device is fully charged</string>

    <!-- Battery saver: Label for seekbar to change battery saver threshold [CHAR_LIMIT=40] -->

    <string name="battery_saver_seekbar_title"><xliff:g id="percent">%1$s</xliff:g></string>

    <string name="keywords_ring_vibration">haptics, vibrate, phone, call, sensitivity, ring</string>

    <!-- List of synonyms for notification vibration setting (changes whether your phone vibrates when it shows a notification), used to match in settings search [CHAR LIMIT=NONE] -->

    <string name="keywords_notification_vibration">haptics, vibrate, sensitivity</string>

    <!-- Battery Saver: Search terms for sticky battery saver preference [CHAR_LIMIT=NONE] -->

    <string name="keywords_battery_saver_sticky">battery saver, sticky, persist, power saver, battery</string>

    <!-- NFC Wi-Fi pairing/setup strings-->

        android:title="@string/battery_saver_schedule_settings_title"

        settings:controller="com.android.settings.fuelgauge.batterysaver.BatterySaverSchedulePreferenceController"/>

    <SwitchPreference

        android:key="battery_saver_sticky"

        android:title="@string/battery_saver_sticky_title"

        android:summary="@string/battery_saver_sticky_description"

        settings:keywords="@string/keywords_battery_saver_sticky"

        settings:controller="com.android.settings.fuelgauge.batterysaver.BatterySaverStickyPreferenceController"/>

    <com.android.settings.widget.TwoStateButtonPreference

        android:key="battery_saver"

        android:title="@string/battery_saver"

package com.android.settings.fuelgauge.batterysaver;

import android.content.Context;

import android.provider.Settings;

import androidx.preference.Preference;

import androidx.preference.SwitchPreference;

import com.android.settings.core.BasePreferenceController;

import com.android.settings.core.PreferenceControllerMixin;

public class BatterySaverStickyPreferenceController extends BasePreferenceController implements

        PreferenceControllerMixin, Preference.OnPreferenceChangeListener {

    public static final String LOW_POWER_STICKY_AUTO_DISABLE_ENABLED =

            "low_power_sticky_auto_disable_enabled";

    public BatterySaverStickyPreferenceController(Context context, String preferenceKey) {

        super(context, preferenceKey);

    }

    @Override

    public void updateState(Preference preference) {

        int setting = Settings.System.getInt(mContext.getContentResolver(),

                LOW_POWER_STICKY_AUTO_DISABLE_ENABLED, 1);

        ((SwitchPreference) preference).setChecked(setting == 0);

    }

    @Override

    public boolean onPreferenceChange(Preference preference, Object newValue) {

        boolean keepActive = (Boolean) newValue;

        Settings.System.putInt(mContext.getContentResolver(),

                LOW_POWER_STICKY_AUTO_DISABLE_ENABLED,

                keepActive ? 0 : 1);

        return true;

    }

    @Override

    public int getAvailabilityStatus() {

        return AVAILABLE;

    }

}

/*

 * Copyright (C) 2016 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 static com.android.settings.fuelgauge.batterysaver.BatterySaverStickyPreferenceController.LOW_POWER_STICKY_AUTO_DISABLE_ENABLED;

import static com.google.common.truth.Truth.assertThat;

import android.content.Context;

import android.provider.Settings;

import org.junit.Before;

import org.junit.Test;

import org.junit.runner.RunWith;

import org.robolectric.RobolectricTestRunner;

import org.robolectric.RuntimeEnvironment;

@RunWith(RobolectricTestRunner.class)

public class BatterySaverStickyPreferenceControllerTest {

    private static final String PREF_KEY = "battery_saver_sticky";

    private Context mContext;

    private BatterySaverStickyPreferenceController mController;

    @Before

    public void setup() {

        mContext = RuntimeEnvironment.application;

        mController = new BatterySaverStickyPreferenceController(mContext, PREF_KEY);

    }

    private int getAutoDisableSetting() {

        return Settings.System.getInt(mContext.getContentResolver(),

                LOW_POWER_STICKY_AUTO_DISABLE_ENABLED,

                1);

    }

    @Test

    public void testOnPreferenceChange_turnOnKeepActive_autoDisableOff() {

        mController.onPreferenceChange(null, true);

        final int isOn = getAutoDisableSetting();

        assertThat(isOn).isEqualTo(0);

    }

    @Test

    public void testOnPreferenceChange_TurnOffKeepActive_autoDisableOff() {

        mController.onPreferenceChange(null, false);

        final int isOn = getAutoDisableSetting();

        assertThat(isOn).isEqualTo(1);

    }

}