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 AllowAppsOnExternalPreferenceController extends DeveloperOptionsPreferenceController
30         implements Preference.OnPreferenceChangeListener, PreferenceControllerMixin {
31 
32     private static final String FORCE_ALLOW_ON_EXTERNAL_KEY = "force_allow_on_external";
33 
34     @VisibleForTesting
35     static final int SETTING_VALUE_OFF = 0;
36     @VisibleForTesting
37     static final int SETTING_VALUE_ON = 1;
38 
AllowAppsOnExternalPreferenceController(Context context)39     public AllowAppsOnExternalPreferenceController(Context context) {
40         super(context);
41     }
42 
43     @Override
getPreferenceKey()44     public String getPreferenceKey() {
45         return FORCE_ALLOW_ON_EXTERNAL_KEY;
46     }
47 
48     @Override
onPreferenceChange(Preference preference, Object newValue)49     public boolean onPreferenceChange(Preference preference, Object newValue) {
50         final boolean isEnabled = (Boolean) newValue;
51         Settings.Global.putInt(mContext.getContentResolver(),
52                 Settings.Global.FORCE_ALLOW_ON_EXTERNAL,
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 mode = Settings.Global.getInt(mContext.getContentResolver(),
60                 Settings.Global.FORCE_ALLOW_ON_EXTERNAL, SETTING_VALUE_OFF);
61 
62         ((SwitchPreference) mPreference).setChecked(mode != SETTING_VALUE_OFF);
63     }
64 
65     @Override
onDeveloperOptionsSwitchDisabled()66     protected void onDeveloperOptionsSwitchDisabled() {
67         super.onDeveloperOptionsSwitchDisabled();
68         Settings.Global.putInt(mContext.getContentResolver(),
69                 Settings.Global.FORCE_ALLOW_ON_EXTERNAL, SETTING_VALUE_OFF);
70         ((SwitchPreference) mPreference).setChecked(false);
71     }
72 }
73