1 /*
2  * Copyright (C) 2017 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
5  * except in compliance with the License. You may obtain a copy of the License at
6  *
7  *      http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software distributed under the
10  * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
11  * KIND, either express or implied. See the License for the specific language governing
12  * permissions and limitations under the License.
13  */
14 package com.android.settings.display;
15 
16 import android.content.Context;
17 import android.os.PersistableBundle;
18 import android.provider.Settings;
19 import android.telephony.CarrierConfigManager;
20 import android.telephony.SubscriptionManager;
21 
22 import androidx.preference.Preference;
23 import androidx.preference.TwoStatePreference;
24 
25 import com.android.settings.core.PreferenceControllerMixin;
26 import com.android.settingslib.core.AbstractPreferenceController;
27 
28 public class ShowOperatorNamePreferenceController extends AbstractPreferenceController
29         implements PreferenceControllerMixin, Preference.OnPreferenceChangeListener {
30 
31     private static final String KEY_SHOW_OPERATOR_NAME = "show_operator_name";
32 
ShowOperatorNamePreferenceController(Context context)33     public ShowOperatorNamePreferenceController(Context context) {
34         super(context);
35     }
36 
37     @Override
isAvailable()38     public boolean isAvailable() {
39         final CarrierConfigManager configMgr = mContext
40                 .getSystemService(CarrierConfigManager.class);
41         if (configMgr == null) {
42             return false;
43         }
44         final PersistableBundle b = configMgr.getConfigForSubId(SubscriptionManager
45                 .getDefaultDataSubscriptionId());
46         return b != null && b.getBoolean(CarrierConfigManager
47                 .KEY_SHOW_OPERATOR_NAME_IN_STATUSBAR_BOOL, false);
48     }
49 
50     @Override
getPreferenceKey()51     public String getPreferenceKey() {
52         return KEY_SHOW_OPERATOR_NAME;
53     }
54 
55     @Override
onPreferenceChange(Preference preference, Object newValue)56     public boolean onPreferenceChange(Preference preference, Object newValue) {
57         boolean value = (Boolean) newValue;
58         Settings.Secure.putInt(mContext.getContentResolver(),
59                 KEY_SHOW_OPERATOR_NAME, value ? 1 : 0);
60         return true;
61     }
62 
63     @Override
updateState(Preference preference)64     public void updateState(Preference preference) {
65         int value = Settings.Secure.getInt(mContext.getContentResolver(),
66                 KEY_SHOW_OPERATOR_NAME, 1);
67         ((TwoStatePreference) preference).setChecked(value != 0);
68     }
69 }
70