1 /*
2  * Copyright (C) 2016 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.language;
18 
19 import android.content.Context;
20 
21 import androidx.preference.Preference;
22 
23 import com.android.settings.R;
24 import com.android.settings.core.BasePreferenceController;
25 import com.android.settings.core.PreferenceControllerMixin;
26 import com.android.settings.overlay.FeatureFactory;
27 
28 import java.util.List;
29 
30 public class PhoneLanguagePreferenceController extends BasePreferenceController
31         implements PreferenceControllerMixin {
32 
PhoneLanguagePreferenceController(Context context, String key)33     public PhoneLanguagePreferenceController(Context context, String key) {
34         super(context, key);
35     }
36 
37     @Override
getAvailabilityStatus()38     public int getAvailabilityStatus() {
39         if (mContext.getResources().getBoolean(R.bool.config_show_phone_language)
40                 && mContext.getAssets().getLocales().length > 1) {
41             return AVAILABLE;
42         } else {
43             return CONDITIONALLY_UNAVAILABLE;
44         }
45     }
46 
47     @Override
updateState(Preference preference)48     public void updateState(Preference preference) {
49         if (preference == null) {
50             return;
51         }
52         final String localeNames = FeatureFactory.getFeatureFactory()
53                 .getLocaleFeatureProvider().getLocaleNames();
54         preference.setSummary(localeNames);
55     }
56 
57     @Override
updateNonIndexableKeys(List<String> keys)58     public void updateNonIndexableKeys(List<String> keys) {
59         // No index needed, because this pref has the same name as the parent page. Indexing it will
60         // make search page look like there are duplicate result, creating confusion.
61         keys.add(getPreferenceKey());
62     }
63 }
64