1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file 5 * except in compliance with the License. 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 distributed under the 10 * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 11 * KIND, either express or implied. See the License for the specific language governing 12 * permissions and limitations under the License. 13 */ 14 package com.android.settings.display; 15 16 import android.content.Context; 17 import android.provider.Settings; 18 import android.support.v14.preference.SwitchPreference; 19 import android.support.v7.preference.Preference; 20 21 import android.util.ArrayMap; 22 import com.android.settings.core.PreferenceController; 23 import com.android.settings.search2.InlineSwitchPayload; 24 import com.android.settings.search2.ResultPayload; 25 26 import java.util.Map; 27 28 import static android.provider.Settings.System.SCREEN_BRIGHTNESS_MODE; 29 import static android.provider.Settings.System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC; 30 import static android.provider.Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL; 31 32 33 public class AutoBrightnessPreferenceController extends PreferenceController implements 34 Preference.OnPreferenceChangeListener { 35 36 private final String mAutoBrightnessKey; 37 AutoBrightnessPreferenceController(Context context, String key)38 public AutoBrightnessPreferenceController(Context context, String key) { 39 super(context); 40 mAutoBrightnessKey = key; 41 } 42 43 @Override isAvailable()44 public boolean isAvailable() { 45 return mContext.getResources().getBoolean( 46 com.android.internal.R.bool.config_automatic_brightness_available); 47 } 48 49 @Override getPreferenceKey()50 public String getPreferenceKey() { 51 return mAutoBrightnessKey; 52 } 53 54 @Override updateState(Preference preference)55 public void updateState(Preference preference) { 56 int brightnessMode = Settings.System.getInt(mContext.getContentResolver(), 57 SCREEN_BRIGHTNESS_MODE, SCREEN_BRIGHTNESS_MODE_MANUAL); 58 ((SwitchPreference) preference).setChecked(brightnessMode != SCREEN_BRIGHTNESS_MODE_MANUAL); 59 } 60 61 @Override onPreferenceChange(Preference preference, Object newValue)62 public boolean onPreferenceChange(Preference preference, Object newValue) { 63 boolean auto = (Boolean) newValue; 64 Settings.System.putInt(mContext.getContentResolver(), SCREEN_BRIGHTNESS_MODE, 65 auto ? SCREEN_BRIGHTNESS_MODE_AUTOMATIC : SCREEN_BRIGHTNESS_MODE_MANUAL); 66 return true; 67 } 68 69 @Override getResultPayload()70 public ResultPayload getResultPayload() { 71 final Map<Integer, Boolean> valueMap = new ArrayMap<>(); 72 valueMap.put(SCREEN_BRIGHTNESS_MODE_AUTOMATIC, true); 73 valueMap.put(SCREEN_BRIGHTNESS_MODE_MANUAL, false); 74 75 return new InlineSwitchPayload(SCREEN_BRIGHTNESS_MODE, 76 ResultPayload.SettingsSource.SYSTEM, valueMap); 77 } 78 } 79