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      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 #ifndef VTTElement_h
     27 #define VTTElement_h
     28 
     29 #include "core/html/HTMLElement.h"
     30 
     31 namespace blink {
     32 
     33 enum VTTNodeType {
     34     VTTNodeTypeNone = 0,
     35     VTTNodeTypeClass,
     36     VTTNodeTypeItalic,
     37     VTTNodeTypeLanguage,
     38     VTTNodeTypeBold,
     39     VTTNodeTypeUnderline,
     40     VTTNodeTypeRuby,
     41     VTTNodeTypeRubyText,
     42     VTTNodeTypeVoice
     43 };
     44 
     45 class VTTElement FINAL : public Element {
     46 public:
     47     static PassRefPtrWillBeRawPtr<VTTElement> create(const VTTNodeType, Document*);
     48     static PassRefPtrWillBeRawPtr<VTTElement> create(const QualifiedName&, Document*);
     49     PassRefPtrWillBeRawPtr<HTMLElement> createEquivalentHTMLElement(Document&);
     50 
     51     virtual PassRefPtrWillBeRawPtr<Element> cloneElementWithoutAttributesAndChildren() OVERRIDE;
     52 
     53     void setVTTNodeType(VTTNodeType type) { m_webVTTNodeType = static_cast<unsigned>(type); }
     54     VTTNodeType webVTTNodeType() const { return static_cast<VTTNodeType>(m_webVTTNodeType); }
     55 
     56     bool isPastNode() const { return m_isPastNode; }
     57     void setIsPastNode(bool value) { m_isPastNode = value; }
     58 
     59     virtual bool isVTTElement() const OVERRIDE { return true; }
     60     AtomicString language() const { return m_language; }
     61     void setLanguage(AtomicString value) { m_language = value; }
     62 
     63     static const QualifiedName& voiceAttributeName()
     64     {
     65         DEFINE_STATIC_LOCAL(QualifiedName, voiceAttr, (nullAtom, "voice", nullAtom));
     66         return voiceAttr;
     67     }
     68 
     69     static const QualifiedName& langAttributeName()
     70     {
     71         DEFINE_STATIC_LOCAL(QualifiedName, voiceAttr, (nullAtom, "lang", nullAtom));
     72         return voiceAttr;
     73     }
     74 
     75 private:
     76     VTTElement(const QualifiedName&, Document*);
     77     VTTElement(VTTNodeType, Document*);
     78 
     79     unsigned m_isPastNode : 1;
     80     unsigned m_webVTTNodeType : 4;
     81 
     82     AtomicString m_language;
     83 };
     84 
     85 DEFINE_ELEMENT_TYPE_CASTS(VTTElement, isVTTElement());
     86 
     87 } // namespace blink
     88 
     89 #endif // VTTElement_h
     90