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      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 
     22 import java.util.Locale;
     23 
     24 public class CaptionSettings {
     25     public static final int OPTION_SYSTEM = 0;
     26     public static final int OPTION_OFF = 1;
     27     public static final int OPTION_ON = 2;
     28 
     29     private final CaptioningManager mCaptioningManager;
     30     private int mOption = OPTION_SYSTEM;
     31     private String mLanguage;
     32     private String mTrackId;
     33 
     34     public CaptionSettings(Context context) {
     35         mCaptioningManager = (CaptioningManager) context.getSystemService(
     36                 Context.CAPTIONING_SERVICE);
     37     }
     38 
     39     public final String getSystemLanguage() {
     40         Locale l = mCaptioningManager.getLocale();
     41         if (l != null) {
     42             return l.getLanguage();
     43         }
     44         return null;
     45     }
     46 
     47     public final String getLanguage() {
     48         switch (mOption) {
     49             case OPTION_SYSTEM:
     50                 return getSystemLanguage();
     51             case OPTION_OFF:
     52                 return null;
     53             case OPTION_ON:
     54                 return mLanguage;
     55         }
     56         return null;
     57     }
     58 
     59     public final boolean isSystemSettingEnabled() {
     60         return mCaptioningManager.isEnabled();
     61     }
     62 
     63     public final boolean isEnabled() {
     64         switch (mOption) {
     65             case OPTION_SYSTEM:
     66                 return isSystemSettingEnabled();
     67             case OPTION_OFF:
     68                 return false;
     69             case OPTION_ON:
     70                 return true;
     71         }
     72         return false;
     73     }
     74 
     75     public int getEnableOption() {
     76         return mOption;
     77     }
     78 
     79     public void setEnableOption(int option) {
     80         mOption = option;
     81     }
     82 
     83     public void setLanguage(String language) {
     84         mLanguage = language;
     85     }
     86 
     87     /**
     88      * Returns the track ID to be used as an alternative key.
     89      */
     90     public String getTrackId() {
     91         return mTrackId;
     92     }
     93 
     94     /**
     95      * Sets the track ID to be used as an alternative key.
     96      */
     97     public void setTrackId(String trackId) {
     98         mTrackId = trackId;
     99     }
    100 }
    101