Source/core/html/track/vtt/VTTElement.h

/*
 * Copyright (C) 2013 Apple Inc.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "core/html/HTMLElement.h"

namespace WebCore {

enum VTTNodeType {
    VTTNodeTypeNone = 0,
    VTTNodeTypeClass,
    VTTNodeTypeItalic,
    VTTNodeTypeLanguage,
    VTTNodeTypeBold,
    VTTNodeTypeUnderline,
    VTTNodeTypeRuby,
    VTTNodeTypeRubyText,
    VTTNodeTypeVoice
};

class VTTElement FINAL : public Element {
public:
    static PassRefPtr<VTTElement> create(const VTTNodeType, Document*);
    static PassRefPtr<VTTElement> create(const QualifiedName&, Document*);
    PassRefPtr<HTMLElement> createEquivalentHTMLElement(Document&);

    virtual PassRefPtr<Element> cloneElementWithoutAttributesAndChildren() OVERRIDE;

    void setVTTNodeType(VTTNodeType type) { m_webVTTNodeType = static_cast<unsigned>(type); }
    VTTNodeType webVTTNodeType() const { return static_cast<VTTNodeType>(m_webVTTNodeType); }

    bool isPastNode() const { return m_isPastNode; }
    void setIsPastNode(bool value) { m_isPastNode = value; }

    virtual bool isVTTElement() const OVERRIDE { return true; }
    AtomicString language() const { return m_language; }
    void setLanguage(AtomicString value) { m_language = value; }

    static const QualifiedName& voiceAttributeName()
    {
        DEFINE_STATIC_LOCAL(QualifiedName, voiceAttr, (nullAtom, "voice", nullAtom));
        return voiceAttr;
    }

    static const QualifiedName& langAttributeName()
    {
        DEFINE_STATIC_LOCAL(QualifiedName, voiceAttr, (nullAtom, "lang", nullAtom));
        return voiceAttr;
    }

private:
    VTTElement(const QualifiedName&, Document*);
    VTTElement(VTTNodeType, Document*);

    unsigned m_isPastNode : 1;
    unsigned m_webVTTNodeType : 4;

    AtomicString m_language;
};

DEFINE_NODE_TYPE_CASTS(VTTElement, isVTTElement());

} // namespace WebCore