1/* 2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) 3 * (C) 1999 Antti Koivisto (koivisto@kde.org) 4 * (C) 2001 Dirk Mueller (mueller@kde.org) 5 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved. 6 * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/) 7 * Copyright (C) 2011 Google Inc. All rights reserved. 8 * 9 * This library is free software; you can redistribute it and/or 10 * modify it under the terms of the GNU Library General Public 11 * License as published by the Free Software Foundation; either 12 * version 2 of the License, or (at your option) any later version. 13 * 14 * This library is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 17 * Library General Public License for more details. 18 * 19 * You should have received a copy of the GNU Library General Public License 20 * along with this library; see the file COPYING.LIB. If not, write to 21 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 22 * Boston, MA 02110-1301, USA. 23 * 24 */ 25 26#ifndef NodeRenderingContext_h 27#define NodeRenderingContext_h 28 29#include "NodeRenderingTraversal.h" 30 31#include <wtf/Noncopyable.h> 32#include <wtf/RefPtr.h> 33#include <wtf/text/AtomicString.h> 34 35namespace WebCore { 36 37class ContainerNode; 38class Document; 39class InsertionPoint; 40class Node; 41class RenderNamedFlowThread; 42class RenderObject; 43class RenderStyle; 44class ElementShadow; 45 46class NodeRenderingContext { 47public: 48 explicit NodeRenderingContext(Node*); 49 NodeRenderingContext(Node*, RenderStyle*); 50 NodeRenderingContext(Node*, const Node::AttachContext&); 51 ~NodeRenderingContext(); 52 53 void createRendererForTextIfNeeded(); 54 void createRendererForElementIfNeeded(); 55 56 Node* node() const; 57 ContainerNode* parentNodeForRenderingAndStyle() const; 58 bool resetStyleInheritance() const; 59 RenderObject* parentRenderer() const; 60 RenderObject* nextRenderer() const; 61 RenderObject* previousRenderer() const; 62 InsertionPoint* insertionPoint() const; 63 64 const RenderStyle* style() const; 65 66 bool isOnUpperEncapsulationBoundary() const; 67 bool isOnEncapsulationBoundary() const; 68 69private: 70 bool shouldCreateRenderer() const; 71 void moveToFlowThreadIfNeeded(); 72 bool elementInsideRegionNeedsRenderer(); 73 74 Node* m_node; 75 ContainerNode* m_renderingParent; 76 NodeRenderingTraversal::ParentDetails m_parentDetails; 77 RefPtr<RenderStyle> m_style; 78 RenderNamedFlowThread* m_parentFlowRenderer; 79}; 80 81inline Node* NodeRenderingContext::node() const 82{ 83 return m_node; 84} 85 86inline ContainerNode* NodeRenderingContext::parentNodeForRenderingAndStyle() const 87{ 88 return m_renderingParent; 89} 90 91inline bool NodeRenderingContext::resetStyleInheritance() const 92{ 93 return m_parentDetails.resetStyleInheritance(); 94} 95 96inline const RenderStyle* NodeRenderingContext::style() const 97{ 98 return m_style.get(); 99} 100 101inline InsertionPoint* NodeRenderingContext::insertionPoint() const 102{ 103 return m_parentDetails.insertionPoint(); 104} 105 106} // namespace WebCore 107 108#endif 109