1 /*
2  * Copyright (C) 2018 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.preference.Preference;
23 import androidx.preference.SwitchPreference;
24 
25 import com.android.settings.core.PreferenceControllerMixin;
26 import com.android.settingslib.development.DeveloperOptionsPreferenceController;
27 
28 /**
29  * Base controller for Switch preference that maps to a specific value in Settings.System.
30  */
31 public abstract class SystemSettingSwitchPreferenceController extends
32         DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener,
33         PreferenceControllerMixin {
34 
35     private static final int SETTING_VALUE_OFF = 0;
36     private static final int SETTING_VALUE_ON = 1;
37 
38     private final String mSettingsKey;
39 
SystemSettingSwitchPreferenceController(Context context, String systemSettingsKey)40     public SystemSettingSwitchPreferenceController(Context context, String systemSettingsKey) {
41         super(context);
42         mSettingsKey = systemSettingsKey;
43     }
44 
45     @Override
onPreferenceChange(Preference preference, Object newValue)46     public boolean onPreferenceChange(Preference preference, Object newValue) {
47         final boolean isEnabled = (Boolean) newValue;
48         Settings.System.putInt(mContext.getContentResolver(), mSettingsKey,
49             isEnabled ? SETTING_VALUE_ON : SETTING_VALUE_OFF);
50         return true;
51     }
52 
53     @Override
updateState(Preference preference)54     public void updateState(Preference preference) {
55         final int mode = Settings.System.getInt(
56             mContext.getContentResolver(), mSettingsKey, SETTING_VALUE_OFF);
57         ((SwitchPreference) mPreference).setChecked(mode != SETTING_VALUE_OFF);
58     }
59 
60     @Override
onDeveloperOptionsSwitchDisabled()61     protected void onDeveloperOptionsSwitchDisabled() {
62         super.onDeveloperOptionsSwitchDisabled();
63         Settings.System.putInt(mContext.getContentResolver(), mSettingsKey, SETTING_VALUE_OFF);
64         ((SwitchPreference) mPreference).setChecked(false);
65     }
66 }
67