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.car.settings.language; 18 19 import android.car.drivingstate.CarUxRestrictions; 20 import android.content.Context; 21 import android.os.Build; 22 23 import com.android.car.settings.common.FragmentController; 24 import com.android.internal.app.LocaleStore; 25 26 import java.util.Locale; 27 import java.util.Set; 28 29 /** Business logic for showing and acting on languages in the language settings screen. */ 30 public class LanguagePickerPreferenceController extends LanguageBasePreferenceController { 31 LanguagePickerPreferenceController(Context context, String preferenceKey, FragmentController fragmentController, CarUxRestrictions uxRestrictions)32 public LanguagePickerPreferenceController(Context context, String preferenceKey, 33 FragmentController fragmentController, CarUxRestrictions uxRestrictions) { 34 super(context, preferenceKey, fragmentController, uxRestrictions); 35 } 36 37 @Override defineLocaleProvider()38 protected LocalePreferenceProvider defineLocaleProvider() { 39 Set<LocaleStore.LocaleInfo> localeInfoSet = LocaleStore.getLevelLocales( 40 getContext(), 41 getExclusionSet(), 42 /* parent= */ null, 43 /* translatedOnly= */ true); 44 maybeAddPseudoLocale(localeInfoSet); 45 46 return LocalePreferenceProvider.newInstance(getContext(), localeInfoSet, 47 /* parentLocale= */ null); 48 } 49 50 @Override handleLocaleWithChildren(LocaleStore.LocaleInfo parentLocaleInfo)51 protected void handleLocaleWithChildren(LocaleStore.LocaleInfo parentLocaleInfo) { 52 ChildLocalePickerFragment fragment = ChildLocalePickerFragment.newInstance( 53 parentLocaleInfo); 54 fragment.registerChildLocaleSelectedListener( 55 localeInfo -> getFragmentController().goBack()); 56 getFragmentController().launchFragment(fragment); 57 } 58 59 /** 60 * Add a pseudo locale in debug build for testing RTL. 61 * 62 * @param localeInfos the set of {@link LocaleStore.LocaleInfo} to which the locale is added. 63 */ maybeAddPseudoLocale(Set<LocaleStore.LocaleInfo> localeInfos)64 private void maybeAddPseudoLocale(Set<LocaleStore.LocaleInfo> localeInfos) { 65 if (Build.IS_USERDEBUG) { 66 // The ar-XB pseudo-locale is RTL. 67 localeInfos.add(LocaleStore.getLocaleInfo(new Locale("ar", "XB"))); 68 } 69 } 70 } 71