HTMLContentElement.h   [plain text]

/*
 * Copyright (C) 2011 Google Inc. All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
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 *
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 * notice, this list of conditions and the following disclaimer.
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 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
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 * this software without specific prior written permission.
 *
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 */

#ifndef HTMLContentElement_h
#define HTMLContentElement_h

#include "CSSSelectorList.h"
#include "InsertionPoint.h"
#include <wtf/Forward.h>

namespace WebCore {

#if ENABLE(SHADOW_DOM)

class HTMLContentElement FINAL : public InsertionPoint {
public:
    static const QualifiedName& contentTagName(Document*);
    static PassRefPtr<HTMLContentElement> create(const QualifiedName&, Document*);
    static PassRefPtr<HTMLContentElement> create(Document*);

    virtual ~HTMLContentElement();

    void setSelect(const AtomicString&);
    const AtomicString& select() const;

    virtual MatchType matchTypeFor(Node*) OVERRIDE;
    virtual const CSSSelectorList& selectorList() OVERRIDE;
    virtual Type insertionPointType() const OVERRIDE { return HTMLContentElementType; }
    virtual bool canAffectSelector() const OVERRIDE { return true; }
    virtual bool isSelectValid();

protected:
    HTMLContentElement(const QualifiedName&, Document*);

private:
    virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE;
    void ensureSelectParsed();
    bool validateSelect() const;

    bool m_shouldParseSelectorList;
    bool m_isValidSelector;
    CSSSelectorList m_selectorList;
};

inline void HTMLContentElement::setSelect(const AtomicString& selectValue)
{
    setAttribute(HTMLNames::selectAttr, selectValue);
    m_shouldParseSelectorList = true;
}

inline const CSSSelectorList& HTMLContentElement::selectorList()
{
    ensureSelectParsed();
    return m_selectorList;
}

inline bool isHTMLContentElement(const Node* node)
{
    ASSERT(node);
    return node->isInsertionPoint() && toInsertionPoint(node)->insertionPointType() == InsertionPoint::HTMLContentElementType;
}

inline HTMLContentElement* toHTMLContentElement(Node* node)
{
    ASSERT_WITH_SECURITY_IMPLICATION(!node || isHTMLContentElement(node));
    return static_cast<HTMLContentElement*>(node);
}

#endif // if ENABLE(SHADOW_DOM)

}

#endif