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.localepicker;
18 
19 import android.os.LocaleList;
20 
21 import com.android.internal.app.LocaleHelper;
22 import com.android.internal.app.LocalePicker;
23 
24 import java.util.Locale;
25 
26 public class LocaleFeatureProviderImpl implements LocaleFeatureProvider {
27     @Override
getLocaleNames()28     public String getLocaleNames() {
29         final LocaleList locales = LocalePicker.getLocales();
30         return getLocaleNames(locales);
31     }
32 
33     /**
34      * Returns displayable string of inputted locales.
35      */
getLocaleNames(LocaleList inputLocales)36     public String getLocaleNames(LocaleList inputLocales) {
37         if (inputLocales.isEmpty()) {
38             return "";
39         }
40         Locale[] arrLocalesWithoutExtension = new Locale[inputLocales.size()];
41         for (int i = 0; i < inputLocales.size(); i++) {
42             arrLocalesWithoutExtension[i] = inputLocales.get(i).stripExtensions();
43         }
44         final Locale displayLocale = Locale.getDefault();
45         return LocaleHelper.toSentenceCase(
46                 LocaleHelper.getDisplayLocaleList(
47                         new LocaleList(arrLocalesWithoutExtension),
48                         displayLocale,
49                         2 /* Show up to two locales from the list */),
50                 displayLocale);
51     }
52 }
53