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79 lines
2.7 KiB
C++
79 lines
2.7 KiB
C++
/*
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* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
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* (C) 1999 Antti Koivisto (koivisto@kde.org)
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* (C) 2001 Dirk Mueller (mueller@kde.org)
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* Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
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* Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
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* Copyright (C) 2011 Google Inc. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*
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*/
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#ifndef RenderTreeBuilder_h
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#define RenderTreeBuilder_h
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#include "core/dom/Document.h"
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#include "core/dom/Node.h"
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#include "core/dom/NodeRenderingTraversal.h"
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#include "wtf/RefPtr.h"
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namespace blink {
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class ContainerNode;
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class RenderObject;
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class RenderStyle;
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class RenderTreeBuilder {
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STACK_ALLOCATED();
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public:
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RenderTreeBuilder(Node* node, RenderStyle* style)
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: m_node(node)
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, m_renderingParent(nullptr)
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, m_style(style)
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{
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ASSERT(!node->renderer());
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ASSERT(node->needsAttach());
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ASSERT(node->document().inStyleRecalc());
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// FIXME: We should be able to ASSERT(node->inActiveDocument()) but childrenChanged is called
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// before ChildNodeInsertionNotifier in ContainerNode's methods and some implementations
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// will trigger a layout inside childrenChanged.
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// Mainly HTMLTextAreaElement::childrenChanged calls HTMLTextFormControlElement::setSelectionRange
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// which does an updateLayoutIgnorePendingStylesheets.
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m_renderingParent = NodeRenderingTraversal::parent(node, &m_parentDetails);
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}
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void createRendererForTextIfNeeded();
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void createRendererForElementIfNeeded();
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private:
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RenderObject* parentRenderer() const;
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RenderObject* nextRenderer() const;
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bool shouldCreateRenderer() const;
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RenderStyle& style() const;
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RawPtrWillBeMember<Node> m_node;
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RawPtrWillBeMember<ContainerNode> m_renderingParent;
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NodeRenderingTraversal::ParentDetails m_parentDetails;
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mutable RefPtr<RenderStyle> m_style;
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};
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} // namespace blink
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#endif
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