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 import android.util.FeatureFlagUtils; 23 24 import com.android.settings.core.FeatureFlags; 25 import com.android.settings.core.PreferenceControllerMixin; 26 import com.android.settings.datetime.timezone.TimeZoneSettings; 27 import com.android.settingslib.RestrictedPreference; 28 import com.android.settingslib.core.AbstractPreferenceController; 29 import com.android.settingslib.datetime.ZoneGetter; 30 31 import java.util.Calendar; 32 33 public class TimeZonePreferenceController extends AbstractPreferenceController 34 implements PreferenceControllerMixin { 35 36 private static final String KEY_TIMEZONE = "timezone"; 37 38 private final AutoTimeZonePreferenceController mAutoTimeZonePreferenceController; 39 private final boolean mZonePickerV2; 40 TimeZonePreferenceController(Context context, AutoTimeZonePreferenceController autoTimeZonePreferenceController)41 public TimeZonePreferenceController(Context context, 42 AutoTimeZonePreferenceController autoTimeZonePreferenceController) { 43 super(context); 44 mAutoTimeZonePreferenceController = autoTimeZonePreferenceController; 45 mZonePickerV2 = FeatureFlagUtils.isEnabled(mContext, FeatureFlags.ZONE_PICKER_V2); 46 } 47 48 @Override updateState(Preference preference)49 public void updateState(Preference preference) { 50 if (!(preference instanceof RestrictedPreference)) { 51 return; 52 } 53 if (mZonePickerV2) { 54 preference.setFragment(TimeZoneSettings.class.getName()); 55 } 56 preference.setSummary(getTimeZoneOffsetAndName()); 57 if( !((RestrictedPreference) preference).isDisabledByAdmin()) { 58 preference.setEnabled(!mAutoTimeZonePreferenceController.isEnabled()); 59 } 60 } 61 62 @Override isAvailable()63 public boolean isAvailable() { 64 return true; 65 } 66 67 @Override getPreferenceKey()68 public String getPreferenceKey() { 69 return KEY_TIMEZONE; 70 } 71 72 @VisibleForTesting getTimeZoneOffsetAndName()73 CharSequence getTimeZoneOffsetAndName() { 74 final Calendar now = Calendar.getInstance(); 75 return ZoneGetter.getTimeZoneOffsetAndName(mContext, 76 now.getTimeZone(), now.getTime()); 77 } 78 } 79