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.Global.
30  */
31 public abstract class GlobalSettingSwitchPreferenceController 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     private final int mOn;
40     private final int mOff;
41     private final int mDefault;
42 
GlobalSettingSwitchPreferenceController(Context context, String globalSettingsKey)43     public GlobalSettingSwitchPreferenceController(Context context, String globalSettingsKey) {
44         this(context, globalSettingsKey, SETTING_VALUE_ON, SETTING_VALUE_OFF, SETTING_VALUE_OFF);
45     }
46 
47     /**
48      * Use different on/off/default vaules other than the standard 1/0/0.
49      */
GlobalSettingSwitchPreferenceController(Context context, String globalSettingsKey, int valueOn, int valueOff, int valueDefault)50     public GlobalSettingSwitchPreferenceController(Context context, String globalSettingsKey,
51             int valueOn, int valueOff, int valueDefault) {
52         super(context);
53         mSettingsKey = globalSettingsKey;
54         mOn = valueOn;
55         mOff = valueOff;
56         mDefault = valueDefault;
57     }
58 
59     @Override
onPreferenceChange(Preference preference, Object newValue)60     public boolean onPreferenceChange(Preference preference, Object newValue) {
61         final boolean isEnabled = (Boolean) newValue;
62         Settings.Global.putInt(mContext.getContentResolver(), mSettingsKey, isEnabled ? mOn : mOff);
63         return true;
64     }
65 
66     @Override
updateState(Preference preference)67     public void updateState(Preference preference) {
68         final int mode =
69             Settings.Global.getInt(mContext.getContentResolver(), mSettingsKey, mDefault);
70         ((SwitchPreference) mPreference).setChecked(mode != mOff);
71     }
72 
73     @Override
onDeveloperOptionsSwitchDisabled()74     protected void onDeveloperOptionsSwitchDisabled() {
75         super.onDeveloperOptionsSwitchDisabled();
76         Settings.Global.putInt(mContext.getContentResolver(), mSettingsKey, mOff);
77         ((SwitchPreference) mPreference).setChecked(false);
78     }
79 }
80