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 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#pragma once
27
28#if ENABLE(VIDEO_TRACK)
29
30#include "TrackListBase.h"
31
32namespace WebCore {
33
34class TextTrack;
35
36class TextTrackList final : public TrackListBase {
37 WTF_MAKE_ISO_ALLOCATED(TextTrackList);
38public:
39 static Ref<TextTrackList> create(HTMLMediaElement* element, ScriptExecutionContext* context)
40 {
41 return adoptRef(*new TextTrackList(element, context));
42 }
43 virtual ~TextTrackList();
44
45 void clearElement() override;
46
47 unsigned length() const override;
48 int getTrackIndex(TextTrack&);
49 int getTrackIndexRelativeToRenderedTracks(TextTrack&);
50 bool contains(TrackBase&) const override;
51
52 TextTrack* item(unsigned index) const;
53 TextTrack* getTrackById(const AtomString&);
54 TextTrack* lastItem() const { return item(length() - 1); }
55
56 void append(Ref<TextTrack>&&);
57 void remove(TrackBase&, bool scheduleEvent = true) override;
58
59 // EventTarget
60 EventTargetInterface eventTargetInterface() const override;
61
62private:
63 TextTrackList(HTMLMediaElement*, ScriptExecutionContext*);
64
65 void invalidateTrackIndexesAfterTrack(TextTrack&);
66 const char* activeDOMObjectName() const final;
67
68 Vector<RefPtr<TrackBase>> m_addTrackTracks;
69 Vector<RefPtr<TrackBase>> m_elementTracks;
70};
71
72} // namespace WebCore
73
74#endif // ENABLE(VIDEO_TRACK)
75