| /* |
| * 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 |
| * OWNER 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 PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #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(const QualifiedName&, Document&); |
| 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: |
| HTMLContentElement(const QualifiedName&, 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); |
| } |
| |
| inline bool isHTMLContentElement(const Node* node) |
| { |
| return node->hasTagName(HTMLNames::contentTag); |
| } |
| |
| inline bool isHTMLContentElement(const Element* element) |
| { |
| return element->hasTagName(HTMLNames::contentTag); |
| } |
| |
| DEFINE_NODE_TYPE_CASTS(HTMLContentElement, hasTagName(HTMLNames::contentTag)); |
| |
| } |
| |
| #endif |