1/*
2 * Copyright (C) 2013 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 "HTMLElement.h"
31#include <wtf/NeverDestroyed.h>
32
33namespace WebCore {
34
35enum WebVTTNodeType {
36 WebVTTNodeTypeNone = 0,
37 WebVTTNodeTypeClass,
38 WebVTTNodeTypeItalic,
39 WebVTTNodeTypeLanguage,
40 WebVTTNodeTypeBold,
41 WebVTTNodeTypeUnderline,
42 WebVTTNodeTypeRuby,
43 WebVTTNodeTypeRubyText,
44 WebVTTNodeTypeVoice
45};
46
47class WebVTTElement final : public Element {
48 WTF_MAKE_ISO_ALLOCATED(WebVTTElement);
49public:
50 static Ref<WebVTTElement> create(const WebVTTNodeType, Document&);
51 Ref<HTMLElement> createEquivalentHTMLElement(Document&);
52
53 Ref<Element> cloneElementWithoutAttributesAndChildren(Document&) override;
54
55 void setWebVTTNodeType(WebVTTNodeType type) { m_webVTTNodeType = static_cast<unsigned>(type); }
56 WebVTTNodeType webVTTNodeType() const { return static_cast<WebVTTNodeType>(m_webVTTNodeType); }
57
58 bool isPastNode() const { return m_isPastNode; }
59 void setIsPastNode(bool value) { m_isPastNode = value; }
60
61 AtomicString language() const { return m_language; }
62 void setLanguage(const AtomicString& value) { m_language = value; }
63
64 static const QualifiedName& voiceAttributeName()
65 {
66 static NeverDestroyed<QualifiedName> voiceAttr(nullAtom(), "voice", nullAtom());
67 return voiceAttr;
68 }
69
70 static const QualifiedName& langAttributeName()
71 {
72 static NeverDestroyed<QualifiedName> voiceAttr(nullAtom(), "lang", nullAtom());
73 return voiceAttr;
74 }
75
76private:
77 WebVTTElement(WebVTTNodeType, Document&);
78
79 bool isWebVTTElement() const override { return true; }
80
81 unsigned m_isPastNode : 1;
82 unsigned m_webVTTNodeType : 4;
83
84 AtomicString m_language;
85};
86
87} // namespace WebCore
88
89SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::WebVTTElement)
90 static bool isType(const WebCore::Node& node) { return node.isWebVTTElement(); }
91SPECIALIZE_TYPE_TRAITS_END()
92
93#endif // ENABLE(VIDEO_TRACK)
94