1 /* 2 * Copyright (C) 2019 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.accessibility; 18 19 import android.app.settings.SettingsEnums; 20 import android.content.ContentResolver; 21 import android.content.Context; 22 import android.os.Bundle; 23 import android.provider.Settings; 24 import android.view.accessibility.CaptioningManager; 25 26 import androidx.preference.Preference; 27 28 import com.android.settings.R; 29 import com.android.settings.SettingsPreferenceFragment; 30 import com.android.settings.search.BaseSearchIndexProvider; 31 import com.android.settingslib.search.SearchIndexable; 32 33 /** Settings fragment containing more options of captioning properties. */ 34 @SearchIndexable(forTarget = SearchIndexable.ALL & ~SearchIndexable.ARC) 35 public class CaptionMoreOptionsFragment extends SettingsPreferenceFragment 36 implements Preference.OnPreferenceChangeListener { 37 private static final String PREF_LOCALE = "captioning_locale"; 38 39 private CaptioningManager mCaptioningManager; 40 41 private LocalePreference mLocale; 42 43 @Override getMetricsCategory()44 public int getMetricsCategory() { 45 return SettingsEnums.ACCESSIBILITY_CAPTION_MORE_OPTIONS; 46 } 47 48 @Override onCreate(Bundle icicle)49 public void onCreate(Bundle icicle) { 50 super.onCreate(icicle); 51 52 mCaptioningManager = (CaptioningManager) getSystemService(Context.CAPTIONING_SERVICE); 53 54 addPreferencesFromResource(R.xml.captioning_more_options); 55 initializeAllPreferences(); 56 updateAllPreferences(); 57 installUpdateListeners(); 58 } 59 initializeAllPreferences()60 private void initializeAllPreferences() { 61 mLocale = (LocalePreference) findPreference(PREF_LOCALE); 62 } 63 installUpdateListeners()64 private void installUpdateListeners() { 65 mLocale.setOnPreferenceChangeListener(this); 66 } 67 updateAllPreferences()68 private void updateAllPreferences() { 69 final String rawLocale = mCaptioningManager.getRawLocale(); 70 mLocale.setValue(rawLocale == null ? "" : rawLocale); 71 } 72 73 @Override onPreferenceChange(Preference preference, Object value)74 public boolean onPreferenceChange(Preference preference, Object value) { 75 final ContentResolver cr = getActivity().getContentResolver(); 76 if (mLocale == preference) { 77 Settings.Secure.putString( 78 cr, Settings.Secure.ACCESSIBILITY_CAPTIONING_LOCALE, (String) value); 79 } 80 81 return true; 82 } 83 84 @Override getHelpResource()85 public int getHelpResource() { 86 return R.string.help_url_caption; 87 } 88 89 public static final BaseSearchIndexProvider SEARCH_INDEX_DATA_PROVIDER = 90 new BaseSearchIndexProvider(R.xml.captioning_more_options); 91 } 92