1 /* 2 * Copyright (C) 2018 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.settings.display; 18 19 import android.content.Context; 20 import android.support.v7.preference.DropDownPreference; 21 import android.support.v7.preference.Preference; 22 import android.support.v7.preference.PreferenceScreen; 23 import com.android.internal.app.ColorDisplayController; 24 import com.android.settings.R; 25 import com.android.settings.core.BasePreferenceController; 26 27 public class NightDisplayAutoModePreferenceController extends BasePreferenceController 28 implements Preference.OnPreferenceChangeListener { 29 30 private DropDownPreference mPreference; 31 private ColorDisplayController mController; 32 NightDisplayAutoModePreferenceController(Context context, String key)33 public NightDisplayAutoModePreferenceController(Context context, String key) { 34 super(context, key); 35 mController = new ColorDisplayController(context); 36 } 37 38 @Override getAvailabilityStatus()39 public int getAvailabilityStatus() { 40 return ColorDisplayController.isAvailable(mContext) ? AVAILABLE : UNSUPPORTED_ON_DEVICE; 41 } 42 43 @Override displayPreference(PreferenceScreen screen)44 public void displayPreference(PreferenceScreen screen) { 45 super.displayPreference(screen); 46 47 mPreference = (DropDownPreference) screen.findPreference(getPreferenceKey()); 48 49 mPreference.setEntries(new CharSequence[]{ 50 mContext.getString(R.string.night_display_auto_mode_never), 51 mContext.getString(R.string.night_display_auto_mode_custom), 52 mContext.getString(R.string.night_display_auto_mode_twilight) 53 }); 54 mPreference.setEntryValues(new CharSequence[]{ 55 String.valueOf(ColorDisplayController.AUTO_MODE_DISABLED), 56 String.valueOf(ColorDisplayController.AUTO_MODE_CUSTOM), 57 String.valueOf(ColorDisplayController.AUTO_MODE_TWILIGHT) 58 }); 59 } 60 61 @Override updateState(Preference preference)62 public final void updateState(Preference preference) { 63 mPreference.setValue(String.valueOf(mController.getAutoMode())); 64 } 65 66 @Override onPreferenceChange(Preference preference, Object newValue)67 public final boolean onPreferenceChange(Preference preference, Object newValue) { 68 return mController.setAutoMode(Integer.parseInt((String) newValue)); 69 } 70 } 71