1/*
2 * Copyright (C) 2012 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef AudioTrackPrivate_h
27#define AudioTrackPrivate_h
28
29#include "TrackPrivateBase.h"
30
31#if ENABLE(VIDEO_TRACK)
32
33namespace WebCore {
34
35class AudioTrackPrivate;
36
37class AudioTrackPrivateClient : public TrackPrivateBaseClient {
38public:
39    virtual void enabledChanged(AudioTrackPrivate*, bool) = 0;
40};
41
42class AudioTrackPrivate : public TrackPrivateBase {
43public:
44    static PassRefPtr<AudioTrackPrivate> create()
45    {
46        return adoptRef(new AudioTrackPrivate());
47    }
48
49    void setClient(AudioTrackPrivateClient* client) { m_client = client; }
50    virtual AudioTrackPrivateClient* client() const override { return m_client; }
51
52    virtual void setEnabled(bool enabled)
53    {
54        if (m_enabled == enabled)
55            return;
56        m_enabled = enabled;
57        if (m_client)
58            m_client->enabledChanged(this, enabled);
59    };
60    virtual bool enabled() const { return m_enabled; }
61
62    enum Kind { Alternative, Description, Main, MainDesc, Translation, Commentary, None };
63    virtual Kind kind() const { return None; }
64
65protected:
66    AudioTrackPrivate()
67        : m_client(0)
68        , m_enabled(false)
69    {
70    }
71
72private:
73    AudioTrackPrivateClient* m_client;
74    bool m_enabled;
75};
76
77} // namespace WebCore
78
79#endif
80#endif
81