1 /* 2 * Copyright (C) 2018 The Android Open Source Project 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 package com.android.settings.fuelgauge; 17 18 import android.content.Context; 19 import android.provider.Settings; 20 import android.support.v14.preference.SwitchPreference; 21 import android.support.v7.preference.Preference; 22 23 import com.android.settings.core.BasePreferenceController; 24 import com.android.settings.overlay.FeatureFactory; 25 26 /** 27 * Controller to change and update the auto restriction toggle 28 */ 29 public class AutoRestrictionPreferenceController extends BasePreferenceController implements 30 Preference.OnPreferenceChangeListener { 31 private static final String KEY_SMART_BATTERY = "auto_restriction"; 32 private static final int ON = 1; 33 private static final int OFF = 0; 34 private PowerUsageFeatureProvider mPowerUsageFeatureProvider; 35 AutoRestrictionPreferenceController(Context context)36 public AutoRestrictionPreferenceController(Context context) { 37 super(context, KEY_SMART_BATTERY); 38 mPowerUsageFeatureProvider = FeatureFactory.getFactory( 39 context).getPowerUsageFeatureProvider(context); 40 } 41 42 @Override getAvailabilityStatus()43 public int getAvailabilityStatus() { 44 return mPowerUsageFeatureProvider.isSmartBatterySupported() 45 ? UNSUPPORTED_ON_DEVICE 46 : AVAILABLE; 47 } 48 49 @Override updateState(Preference preference)50 public void updateState(Preference preference) { 51 super.updateState(preference); 52 final boolean smartBatteryOn = Settings.Global.getInt(mContext.getContentResolver(), 53 Settings.Global.APP_AUTO_RESTRICTION_ENABLED, ON) == ON; 54 ((SwitchPreference) preference).setChecked(smartBatteryOn); 55 } 56 57 @Override onPreferenceChange(Preference preference, Object newValue)58 public boolean onPreferenceChange(Preference preference, Object newValue) { 59 final boolean smartBatteryOn = (Boolean) newValue; 60 Settings.Global.putInt(mContext.getContentResolver(), 61 Settings.Global.APP_AUTO_RESTRICTION_ENABLED, 62 smartBatteryOn ? ON : OFF); 63 return true; 64 } 65 } 66