1/*
2 * Copyright (C) 2011 Google Inc. All rights reserved.
3 * Copyright (C) 2011-2017 Apple Inc. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#pragma once
28
29#if ENABLE(VIDEO_TRACK)
30
31#include "HTMLElement.h"
32#include "LoadableTextTrack.h"
33
34namespace WebCore {
35
36class HTMLMediaElement;
37
38class HTMLTrackElement final : public HTMLElement, public TextTrackClient {
39 WTF_MAKE_ISO_ALLOCATED(HTMLTrackElement);
40public:
41 static Ref<HTMLTrackElement> create(const QualifiedName&, Document&);
42
43 const AtomicString& kind();
44 void setKind(const AtomicString&);
45
46 const AtomicString& srclang() const;
47 const AtomicString& label() const;
48 bool isDefault() const;
49
50 enum ReadyState { NONE = 0, LOADING = 1, LOADED = 2, TRACK_ERROR = 3 };
51 ReadyState readyState();
52 void setReadyState(ReadyState);
53
54 LoadableTextTrack& track();
55
56 void scheduleLoad();
57
58 enum LoadStatus { Failure, Success };
59 void didCompleteLoad(LoadStatus);
60
61 RefPtr<HTMLMediaElement> mediaElement() const;
62 const AtomicString& mediaElementCrossOriginAttribute() const;
63
64private:
65 HTMLTrackElement(const QualifiedName&, Document&);
66 virtual ~HTMLTrackElement();
67
68 void parseAttribute(const QualifiedName&, const AtomicString&) final;
69
70 InsertedIntoAncestorResult insertedIntoAncestor(InsertionType, ContainerNode&) final;
71 void removedFromAncestor(RemovalType, ContainerNode&) final;
72
73 bool isURLAttribute(const Attribute&) const final;
74
75 void loadTimerFired();
76
77 // TextTrackClient
78 void textTrackModeChanged(TextTrack&) final;
79 void textTrackKindChanged(TextTrack&) final;
80 void textTrackAddCues(TextTrack&, const TextTrackCueList&) final;
81 void textTrackRemoveCues(TextTrack&, const TextTrackCueList&) final;
82 void textTrackAddCue(TextTrack&, TextTrackCue&) final;
83 void textTrackRemoveCue(TextTrack&, TextTrackCue&) final;
84
85 bool canLoadURL(const URL&);
86
87 RefPtr<LoadableTextTrack> m_track;
88 Timer m_loadTimer;
89};
90
91}
92
93#endif
94