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 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#if ENABLE(VIDEO_TRACK) 27 28#include "HTMLElement.h" 29 30namespace WebCore { 31 32enum WebVTTNodeType { 33 WebVTTNodeTypeNone = 0, 34 WebVTTNodeTypeClass, 35 WebVTTNodeTypeItalic, 36 WebVTTNodeTypeLanguage, 37 WebVTTNodeTypeBold, 38 WebVTTNodeTypeUnderline, 39 WebVTTNodeTypeRuby, 40 WebVTTNodeTypeRubyText, 41 WebVTTNodeTypeVoice 42}; 43 44class WebVTTElement FINAL : public Element { 45public: 46 static PassRefPtr<WebVTTElement> create(const WebVTTNodeType, Document*); 47 static PassRefPtr<WebVTTElement> create(const QualifiedName&, Document*); 48 PassRefPtr<HTMLElement> createEquivalentHTMLElement(Document*); 49 50 virtual PassRefPtr<Element> cloneElementWithoutAttributesAndChildren() OVERRIDE; 51 52 void setWebVTTNodeType(WebVTTNodeType type) { m_webVTTNodeType = static_cast<unsigned>(type); } 53 WebVTTNodeType webVTTNodeType() const { return static_cast<WebVTTNodeType>(m_webVTTNodeType); } 54 55 bool isPastNode() const { return m_isPastNode; } 56 void setIsPastNode(bool value) { m_isPastNode = value; } 57 58 virtual bool isWebVTTElement() const OVERRIDE { return true; } 59 AtomicString language() const { return m_language; } 60 void setLanguage(AtomicString value) { m_language = value; } 61 62 static const QualifiedName& voiceAttributeName() 63 { 64 DEFINE_STATIC_LOCAL(QualifiedName, voiceAttr, (nullAtom, "voice", nullAtom)); 65 return voiceAttr; 66 } 67 68 static const QualifiedName& langAttributeName() 69 { 70 DEFINE_STATIC_LOCAL(QualifiedName, voiceAttr, (nullAtom, "lang", nullAtom)); 71 return voiceAttr; 72 } 73 74private: 75 WebVTTElement(const QualifiedName&, Document*); 76 WebVTTElement(WebVTTNodeType, Document*); 77 78 unsigned m_isPastNode : 1; 79 unsigned m_webVTTNodeType : 4; 80 81 AtomicString m_language; 82}; 83 84inline WebVTTElement* toWebVTTElement(Node* node) 85{ 86 ASSERT_WITH_SECURITY_IMPLICATION(!node || node->isWebVTTElement()); 87 return static_cast<WebVTTElement*>(node); 88} 89 90// This will catch anyone doing an unnecessary cast. 91void toWebVTTElement(const WebVTTElement*); 92 93 94} // namespace WebCore 95 96#endif 97