1/*
2 * Copyright (C) 2011 Google 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 TextTrackCueList_h
27#define TextTrackCueList_h
28
29#include "bindings/core/v8/ScriptWrappable.h"
30#include "core/html/track/TextTrackCue.h"
31#include "wtf/PassRefPtr.h"
32#include "wtf/RefCounted.h"
33#include "wtf/Vector.h"
34
35namespace blink {
36
37class TextTrackCueList FINAL : public RefCountedWillBeGarbageCollected<TextTrackCueList>, public ScriptWrappable {
38    DECLARE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(TextTrackCueList);
39    DEFINE_WRAPPERTYPEINFO();
40public:
41    static PassRefPtrWillBeRawPtr<TextTrackCueList> create()
42    {
43        return adoptRefWillBeNoop(new TextTrackCueList);
44    }
45
46    unsigned long length() const;
47    unsigned long getCueIndex(TextTrackCue*) const;
48
49    TextTrackCue* item(unsigned index) const;
50    TextTrackCue* getCueById(const AtomicString&) const;
51    TextTrackCueList* activeCues();
52
53    bool add(PassRefPtrWillBeRawPtr<TextTrackCue>);
54    bool remove(TextTrackCue*);
55    bool contains(TextTrackCue*) const;
56
57    bool updateCueIndex(TextTrackCue*);
58
59    void trace(Visitor*);
60
61private:
62    TextTrackCueList();
63    bool add(PassRefPtrWillBeRawPtr<TextTrackCue>, size_t, size_t);
64    void clear();
65    void invalidateCueIndexes(size_t);
66
67    WillBeHeapVector<RefPtrWillBeMember<TextTrackCue> > m_list;
68    RefPtrWillBeMember<TextTrackCueList> m_activeCues;
69};
70
71} // namespace blink
72
73#endif // TextTrackCueList_h
74