/*
* 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 RenderTreeBuilder_h
#define RenderTreeBuilder_h
#include "core/dom/Document.h"
#include "core/dom/Node.h"
#include "core/dom/NodeRenderingTraversal.h"
#include "wtf/RefPtr.h"
namespace WebCore {
class ContainerNode;
class RenderObject;
class RenderStyle;
class RenderTreeBuilder {
public:
RenderTreeBuilder(Node* node, RenderStyle* style)
: m_node(node)
, m_renderingParent(0)
, m_style(style)
{
ASSERT(!node->renderer());
ASSERT(node->needsAttach());
ASSERT(node->document().inStyleRecalc());
// FIXME: We should be able to ASSERT(node->inActiveDocument()) but childrenChanged is called
// before ChildNodeInsertionNotifier in ContainerNode's methods and some implementations
// will trigger a layout inside childrenChanged.
// Mainly HTMLTextAreaElement::childrenChanged calls HTMLTextFormControlElement::setSelectionRange
// which does an updateLayoutIgnorePendingStylesheets.
m_renderingParent = NodeRenderingTraversal::parent(node, &m_parentDetails);
}
void createRendererForTextIfNeeded();
void createRendererForElementIfNeeded();
private:
RenderObject* parentRenderer() const;
RenderObject* nextRenderer() const;
bool shouldCreateRenderer() const;
RenderStyle& style() const;
Node* m_node;
ContainerNode* m_renderingParent;
NodeRenderingTraversal::ParentDetails m_parentDetails;
mutable RefPtr<RenderStyle> m_style;
};
} // namespace WebCore
#endif