/*
* Copyright (C) 2011 Google 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:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "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 THE COPYRIGHT
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*/
#ifndef HTMLContentElement_h
#define HTMLContentElement_h
#include "core/css/CSSSelectorList.h"
#include "core/dom/shadow/InsertionPoint.h"
namespace WebCore {
class HTMLContentElement FINAL : public InsertionPoint {
public:
static PassRefPtr<HTMLContentElement> create(Document&);
virtual ~HTMLContentElement();
virtual bool canAffectSelector() const OVERRIDE { return true; }
bool canSelectNode(const Vector<Node*, 32>& siblings, int nth) const;
const CSSSelectorList& selectorList() const;
bool isSelectValid() const;
private:
explicit HTMLContentElement(Document&);
virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE;
bool validateSelect() const;
void parseSelect();
bool matchSelector(const Vector<Node*, 32>& siblings, int nth) const;
bool m_shouldParseSelect;
bool m_isValidSelector;
AtomicString m_select;
CSSSelectorList m_selectorList;
};
inline const CSSSelectorList& HTMLContentElement::selectorList() const
{
if (m_shouldParseSelect)
const_cast<HTMLContentElement*>(this)->parseSelect();
return m_selectorList;
}
inline bool HTMLContentElement::isSelectValid() const
{
if (m_shouldParseSelect)
const_cast<HTMLContentElement*>(this)->parseSelect();
return m_isValidSelector;
}
inline bool HTMLContentElement::canSelectNode(const Vector<Node*, 32>& siblings, int nth) const
{
if (m_select.isNull() || m_select.isEmpty())
return true;
if (!isSelectValid())
return false;
if (!siblings[nth]->isElementNode())
return false;
return matchSelector(siblings, nth);
}
}
#endif