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      1 /*
      2  * Copyright (C) 1999 Lars Knoll (knoll (at) kde.org)
      3  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
      4  *
      5  * This library is free software; you can redistribute it and/or
      6  * modify it under the terms of the GNU Library General Public
      7  * License as published by the Free Software Foundation; either
      8  * version 2 of the License, or (at your option) any later version.
      9  *
     10  * This library is distributed in the hope that it will be useful,
     11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     13  * Library General Public License for more details.
     14  *
     15  * You should have received a copy of the GNU Library General Public License
     16  * along with this library; see the file COPYING.LIB.  If not, write to
     17  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     18  * Boston, MA 02110-1301, USA.
     19  *
     20  */
     21 
     22 #ifndef ElementResolveContext_h
     23 #define ElementResolveContext_h
     24 
     25 #include "core/dom/Document.h"
     26 #include "core/dom/Element.h"
     27 #include "core/rendering/style/RenderStyleConstants.h"
     28 
     29 namespace WebCore {
     30 
     31 class ContainerNode;
     32 class Element;
     33 class RenderStyle;
     34 
     35 // ElementResolveContext is immutable and serves as an input to the style resolve process.
     36 class ElementResolveContext {
     37     STACK_ALLOCATED();
     38 public:
     39     ElementResolveContext()
     40         : m_element(nullptr)
     41         , m_parentNode(nullptr)
     42         , m_rootElementStyle(0)
     43         , m_elementLinkState(NotInsideLink)
     44         , m_distributedToInsertionPoint(false)
     45     {
     46     }
     47 
     48     explicit ElementResolveContext(Element&);
     49 
     50     Element* element() const { return m_element; }
     51     const ContainerNode* parentNode() const { return m_parentNode; }
     52     const RenderStyle* rootElementStyle() const { return m_rootElementStyle; }
     53     EInsideLink elementLinkState() const { return m_elementLinkState; }
     54     bool distributedToInsertionPoint() const { return m_distributedToInsertionPoint; }
     55 
     56 private:
     57     RawPtrWillBeMember<Element> m_element;
     58     RawPtrWillBeMember<ContainerNode> m_parentNode;
     59     RenderStyle* m_rootElementStyle;
     60     EInsideLink m_elementLinkState;
     61     bool m_distributedToInsertionPoint;
     62 };
     63 
     64 } // namespace WebCore
     65 
     66 #endif // ElementResolveContext_h
     67