1 /* 2 * Copyright (C) 2016 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.datetime; 18 19 import android.content.Context; 20 import android.support.annotation.VisibleForTesting; 21 import android.support.v7.preference.Preference; 22 23 import com.android.settings.core.PreferenceController; 24 import com.android.settingslib.datetime.ZoneGetter; 25 26 import java.util.Calendar; 27 28 public class TimeZonePreferenceController extends PreferenceController { 29 30 private static final String KEY_TIMEZONE = "timezone"; 31 32 private final AutoTimeZonePreferenceController mAutoTimeZonePreferenceController; 33 TimeZonePreferenceController(Context context, AutoTimeZonePreferenceController autoTimeZonePreferenceController)34 public TimeZonePreferenceController(Context context, 35 AutoTimeZonePreferenceController autoTimeZonePreferenceController) { 36 super(context); 37 mAutoTimeZonePreferenceController = autoTimeZonePreferenceController; 38 } 39 40 @Override updateState(Preference preference)41 public void updateState(Preference preference) { 42 preference.setSummary(getTimeZoneOffsetAndName()); 43 preference.setEnabled(!mAutoTimeZonePreferenceController.isEnabled()); 44 } 45 46 @Override isAvailable()47 public boolean isAvailable() { 48 return true; 49 } 50 51 @Override getPreferenceKey()52 public String getPreferenceKey() { 53 return KEY_TIMEZONE; 54 } 55 56 @VisibleForTesting getTimeZoneOffsetAndName()57 CharSequence getTimeZoneOffsetAndName() { 58 final Calendar now = Calendar.getInstance(); 59 return ZoneGetter.getTimeZoneOffsetAndName(mContext, 60 now.getTimeZone(), now.getTime()); 61 } 62 } 63