1 /* 2 * Copyright (C) 2015 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.tv.util; 18 19 import android.content.Context; 20 import android.view.accessibility.CaptioningManager; 21 import java.util.Locale; 22 23 public class CaptionSettings { 24 public static final int OPTION_SYSTEM = 0; 25 public static final int OPTION_OFF = 1; 26 public static final int OPTION_ON = 2; 27 28 private final CaptioningManager mCaptioningManager; 29 private int mOption = OPTION_SYSTEM; 30 private String mLanguage; 31 private String mTrackId; 32 CaptionSettings(Context context)33 public CaptionSettings(Context context) { 34 mCaptioningManager = 35 (CaptioningManager) context.getSystemService(Context.CAPTIONING_SERVICE); 36 } 37 getSystemLanguage()38 public final String getSystemLanguage() { 39 Locale l = mCaptioningManager.getLocale(); 40 if (l != null) { 41 return l.getLanguage(); 42 } 43 return null; 44 } 45 getLanguage()46 public final String getLanguage() { 47 switch (mOption) { 48 case OPTION_SYSTEM: 49 return getSystemLanguage(); 50 case OPTION_OFF: 51 return null; 52 case OPTION_ON: 53 return mLanguage; 54 } 55 return null; 56 } 57 isSystemSettingEnabled()58 public final boolean isSystemSettingEnabled() { 59 return mCaptioningManager.isEnabled(); 60 } 61 isEnabled()62 public final boolean isEnabled() { 63 switch (mOption) { 64 case OPTION_SYSTEM: 65 return isSystemSettingEnabled(); 66 case OPTION_OFF: 67 return false; 68 case OPTION_ON: 69 return true; 70 } 71 return false; 72 } 73 getEnableOption()74 public int getEnableOption() { 75 return mOption; 76 } 77 setEnableOption(int option)78 public void setEnableOption(int option) { 79 mOption = option; 80 } 81 setLanguage(String language)82 public void setLanguage(String language) { 83 mLanguage = language; 84 } 85 86 /** Returns the track ID to be used as an alternative key. */ getTrackId()87 public String getTrackId() { 88 return mTrackId; 89 } 90 91 /** Sets the track ID to be used as an alternative key. */ setTrackId(String trackId)92 public void setTrackId(String trackId) { 93 mTrackId = trackId; 94 } 95 } 96