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/*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 1999 Antti Koivisto (koivisto@kde.org)
* (C) 2001 Dirk Mueller (mueller@kde.org)
* Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
* Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
* Copyright (C) 2011 Google Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#ifndef NodeRenderingContext_h
#define NodeRenderingContext_h
#include <wtf/Noncopyable.h>
#include <wtf/RefPtr.h>
#include <wtf/text/AtomicString.h>
namespace WebCore {
class ContainerNode;
class Document;
class Node;
class RenderFlowThread;
class RenderObject;
class RenderStyle;
class HTMLContentElement;
class ShadowRoot;
class NodeRenderingContext {
public:
explicit NodeRenderingContext(Node*);
NodeRenderingContext(Node*, RenderStyle*);
~NodeRenderingContext();
Node* node() const;
ContainerNode* parentNodeForRenderingAndStyle() const;
RenderObject* parentRenderer() const;
RenderObject* nextRenderer() const;
RenderObject* previousRenderer() const;
HTMLContentElement* insertionPoint() const;
RenderStyle* style() const;
void setStyle(PassRefPtr<RenderStyle>);
PassRefPtr<RenderStyle> releaseStyle();
bool shouldCreateRenderer() const;
void hostChildrenChanged();
bool hasFlowThreadParent() const { return m_parentFlowRenderer; }
RenderFlowThread* parentFlowRenderer() const { return m_parentFlowRenderer; }
void moveToFlowThreadIfNeeded();
private:
enum AttachingPhase {
Calculating,
AttachingStraight,
AttachingNotInTree,
AttachingNotDistributed,
AttachingDistributed,
AttachingShadowChild,
AttachingFallback,
};
AttachingPhase m_phase;
Node* m_node;
ContainerNode* m_parentNodeForRenderingAndStyle;
ShadowRoot* m_visualParentShadowRoot;
HTMLContentElement* m_insertionPoint;
RefPtr<RenderStyle> m_style;
RenderFlowThread* m_parentFlowRenderer;
AtomicString m_flowThread;
};
inline Node* NodeRenderingContext::node() const
{
return m_node;
}
inline ContainerNode* NodeRenderingContext::parentNodeForRenderingAndStyle() const
{
ASSERT(m_phase != Calculating);
return m_parentNodeForRenderingAndStyle;
}
inline RenderStyle* NodeRenderingContext::style() const
{
return m_style.get();
}
inline HTMLContentElement* NodeRenderingContext::insertionPoint() const
{
return m_insertionPoint;
}
class NodeRendererFactory {
WTF_MAKE_NONCOPYABLE(NodeRendererFactory);
WTF_MAKE_FAST_ALLOCATED;
public:
explicit NodeRendererFactory(Node*);
const NodeRenderingContext& context() const;
void createRendererIfNeeded();
private:
RenderObject* createRenderer();
NodeRenderingContext m_context;
};
inline const NodeRenderingContext& NodeRendererFactory::context() const
{
return m_context;
}
} // namespace WebCore
#endif
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