1/*
2 * Copyright (C) 2011, 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 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
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 TextTrackList_h
27#define TextTrackList_h
28
29#if ENABLE(VIDEO_TRACK)
30
31#include "TrackListBase.h"
32
33namespace WebCore {
34
35class TextTrack;
36
37class TextTrackList : public TrackListBase {
38public:
39    static PassRefPtr<TextTrackList> create(HTMLMediaElement* element, ScriptExecutionContext* context)
40    {
41        return adoptRef(new TextTrackList(element, context));
42    }
43    ~TextTrackList();
44
45    virtual unsigned length() const OVERRIDE;
46    int getTrackIndex(TextTrack*);
47    int getTrackIndexRelativeToRenderedTracks(TextTrack*);
48    virtual bool contains(TrackBase*) const OVERRIDE;
49
50    TextTrack* item(unsigned index);
51    void append(PassRefPtr<TextTrack>);
52    virtual void remove(TrackBase*) OVERRIDE;
53
54    // EventTarget
55    virtual const AtomicString& interfaceName() const OVERRIDE;
56
57private:
58    TextTrackList(HTMLMediaElement*, ScriptExecutionContext*);
59
60    void invalidateTrackIndexesAfterTrack(TextTrack*);
61
62    Vector<RefPtr<TrackBase> > m_addTrackTracks;
63    Vector<RefPtr<TrackBase> > m_elementTracks;
64};
65
66} // namespace WebCore
67
68#endif
69#endif
70