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
17package com.android.settings.datetime;
18
19import android.content.Context;
20import android.provider.Settings;
21import android.support.v14.preference.SwitchPreference;
22import android.support.v7.preference.Preference;
23
24import com.android.settings.Utils;
25import com.android.settings.core.PreferenceControllerMixin;
26import com.android.settingslib.core.AbstractPreferenceController;
27
28public class AutoTimeZonePreferenceController extends AbstractPreferenceController
29        implements PreferenceControllerMixin, Preference.OnPreferenceChangeListener {
30
31    private static final String KEY_AUTO_TIME_ZONE = "auto_zone";
32
33    private final boolean mIsFromSUW;
34    private final UpdateTimeAndDateCallback mCallback;
35
36    public AutoTimeZonePreferenceController(Context context, UpdateTimeAndDateCallback callback,
37            boolean isFromSUW) {
38        super(context);
39        mCallback = callback;
40        mIsFromSUW = isFromSUW;
41    }
42
43    @Override
44    public boolean isAvailable() {
45        return !(Utils.isWifiOnly(mContext) || mIsFromSUW);
46    }
47
48    @Override
49    public String getPreferenceKey() {
50        return KEY_AUTO_TIME_ZONE;
51    }
52
53    @Override
54    public void updateState(Preference preference) {
55        if (!(preference instanceof SwitchPreference)) {
56            return;
57        }
58        ((SwitchPreference) preference).setChecked(isEnabled());
59    }
60
61    @Override
62    public boolean onPreferenceChange(Preference preference, Object newValue) {
63        boolean autoZoneEnabled = (Boolean) newValue;
64        Settings.Global.putInt(mContext.getContentResolver(), Settings.Global.AUTO_TIME_ZONE,
65                autoZoneEnabled ? 1 : 0);
66        mCallback.updateTimeAndDateDisplay(mContext);
67        return true;
68    }
69
70    public boolean isEnabled() {
71        return isAvailable() && Settings.Global.getInt(mContext.getContentResolver(),
72                Settings.Global.AUTO_TIME_ZONE, 0) > 0;
73    }
74}
75