1 /*
2  * Copyright (C) 2017 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.development;
18 
19 import android.content.Context;
20 import android.provider.Settings;
21 
22 import androidx.annotation.VisibleForTesting;
23 import androidx.preference.Preference;
24 import androidx.preference.SwitchPreference;
25 
26 import com.android.settings.core.PreferenceControllerMixin;
27 import com.android.settingslib.development.DeveloperOptionsPreferenceController;
28 
29 public class MobileDataAlwaysOnPreferenceController extends
30         DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener,
31         PreferenceControllerMixin {
32 
33     private static final String MOBILE_DATA_ALWAYS_ON = "mobile_data_always_on";
34 
35     @VisibleForTesting
36     static final int SETTING_VALUE_ON = 1;
37     @VisibleForTesting
38     static final int SETTING_VALUE_OFF = 0;
39 
MobileDataAlwaysOnPreferenceController(Context context)40     public MobileDataAlwaysOnPreferenceController(Context context) {
41         super(context);
42     }
43 
44     @Override
getPreferenceKey()45     public String getPreferenceKey() {
46         return MOBILE_DATA_ALWAYS_ON;
47     }
48 
49     @Override
onPreferenceChange(Preference preference, Object newValue)50     public boolean onPreferenceChange(Preference preference, Object newValue) {
51         final boolean isEnabled = (Boolean) newValue;
52         Settings.Global.putInt(mContext.getContentResolver(), Settings.Global.MOBILE_DATA_ALWAYS_ON,
53                 isEnabled ? SETTING_VALUE_ON : SETTING_VALUE_OFF);
54         return true;
55     }
56 
57     @Override
updateState(Preference preference)58     public void updateState(Preference preference) {
59         final int mobileDataAlwaysOnMode = Settings.Global.getInt(mContext.getContentResolver(),
60                 Settings.Global.MOBILE_DATA_ALWAYS_ON, SETTING_VALUE_ON);
61 
62         ((SwitchPreference) mPreference).setChecked(mobileDataAlwaysOnMode != SETTING_VALUE_OFF);
63     }
64 
65     @Override
onDeveloperOptionsSwitchDisabled()66     protected void onDeveloperOptionsSwitchDisabled() {
67         super.onDeveloperOptionsSwitchDisabled();
68         Settings.Global.putInt(mContext.getContentResolver(), Settings.Global.MOBILE_DATA_ALWAYS_ON,
69                 SETTING_VALUE_ON);
70         ((SwitchPreference) mPreference).setChecked(true);
71     }
72 }
73