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.provider.Settings; 21 22 import androidx.preference.Preference; 23 import androidx.preference.SwitchPreference; 24 25 import com.android.settings.core.PreferenceControllerMixin; 26 import com.android.settingslib.Utils; 27 import com.android.settingslib.core.AbstractPreferenceController; 28 29 public class AutoTimeZonePreferenceController extends AbstractPreferenceController 30 implements PreferenceControllerMixin, Preference.OnPreferenceChangeListener { 31 32 private static final String KEY_AUTO_TIME_ZONE = "auto_zone"; 33 34 private final boolean mIsFromSUW; 35 private final UpdateTimeAndDateCallback mCallback; 36 AutoTimeZonePreferenceController(Context context, UpdateTimeAndDateCallback callback, boolean isFromSUW)37 public AutoTimeZonePreferenceController(Context context, UpdateTimeAndDateCallback callback, 38 boolean isFromSUW) { 39 super(context); 40 mCallback = callback; 41 mIsFromSUW = isFromSUW; 42 } 43 44 @Override isAvailable()45 public boolean isAvailable() { 46 return !(Utils.isWifiOnly(mContext) || mIsFromSUW); 47 } 48 49 @Override getPreferenceKey()50 public String getPreferenceKey() { 51 return KEY_AUTO_TIME_ZONE; 52 } 53 54 @Override updateState(Preference preference)55 public void updateState(Preference preference) { 56 if (!(preference instanceof SwitchPreference)) { 57 return; 58 } 59 ((SwitchPreference) preference).setChecked(isEnabled()); 60 } 61 62 @Override onPreferenceChange(Preference preference, Object newValue)63 public boolean onPreferenceChange(Preference preference, Object newValue) { 64 boolean autoZoneEnabled = (Boolean) newValue; 65 Settings.Global.putInt(mContext.getContentResolver(), Settings.Global.AUTO_TIME_ZONE, 66 autoZoneEnabled ? 1 : 0); 67 mCallback.updateTimeAndDateDisplay(mContext); 68 return true; 69 } 70 isEnabled()71 public boolean isEnabled() { 72 return isAvailable() && Settings.Global.getInt(mContext.getContentResolver(), 73 Settings.Global.AUTO_TIME_ZONE, 0) > 0; 74 } 75 } 76