2 * Copyright (C) 2011 Apple Inc. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
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.
13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, 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 COMPUTER, 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
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23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 #include "platform/heap/Handle.h"
30 #include "public/platform/WebMediaPlayer.h"
31 #include "wtf/RefCounted.h"
32 #include "wtf/text/AtomicString.h"
36 class HTMLMediaElement;
38 class TrackBase : public RefCountedWillBeGarbageCollectedFinalized<TrackBase> {
42 blink::WebMediaPlayer::TrackId trackId() const { return m_trackId; }
44 enum Type { TextTrack, AudioTrack, VideoTrack };
45 Type type() const { return m_type; }
47 const AtomicString& kind() const { return m_kind; }
48 virtual void setKind(const AtomicString&);
50 AtomicString label() const { return m_label; }
51 void setLabel(const AtomicString& label) { m_label = label; }
53 AtomicString language() const { return m_language; }
54 void setLanguage(const AtomicString& language) { m_language = language; }
56 String id() const { return m_id; }
57 void setId(const String& id) { m_id = id; }
59 void setMediaElement(HTMLMediaElement* mediaElement) { m_mediaElement = mediaElement; }
60 HTMLMediaElement* mediaElement() const { return m_mediaElement; }
63 virtual void trace(Visitor*);
66 TrackBase(Type, const AtomicString& label, const AtomicString& language, const String& id);
68 virtual bool isValidKind(const AtomicString&) const = 0;
69 virtual AtomicString defaultKind() const = 0;
72 blink::WebMediaPlayer::TrackId m_trackId;
76 AtomicString m_language;
78 RawPtrWillBeMember<HTMLMediaElement> m_mediaElement;
81 #define DEFINE_TRACK_TYPE_CASTS(thisType, predicate) \
82 DEFINE_TYPE_CASTS(thisType, TrackBase, track, track->type() == predicate, track.type() == predicate)