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
17package com.android.tv.util;
18
19import android.content.Context;
20import android.view.accessibility.CaptioningManager;
21
22import java.util.Locale;
23
24public 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