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/*
* Copyright (C) 1997 Martin Jones (mjones@kde.org)
* (C) 1997 Torben Weis (weis@kde.org)
* (C) 1998 Waldo Bastian (bastian@kde.org)
* (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 1999 Antti Koivisto (koivisto@kde.org)
* Copyright (C) 2003, 2004, 2005, 2006, 2009 Apple Inc. All rights reserved.
* Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
*
* 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 RenderTableCol_h
#define RenderTableCol_h
#include "core/rendering/RenderBox.h"
namespace WebCore {
class RenderTable;
class RenderTableCell;
class RenderTableCol FINAL : public RenderBox {
public:
explicit RenderTableCol(Element*);
RenderObject* firstChild() const { ASSERT(children() == virtualChildren()); return children()->firstChild(); }
RenderObject* lastChild() const { ASSERT(children() == virtualChildren()); return children()->lastChild(); }
// If you have a RenderTableCol, use firstChild or lastChild instead.
void slowFirstChild() const WTF_DELETED_FUNCTION;
void slowLastChild() const WTF_DELETED_FUNCTION;
const RenderObjectChildList* children() const { return &m_children; }
RenderObjectChildList* children() { return &m_children; }
void clearPreferredLogicalWidthsDirtyBits();
unsigned span() const { return m_span; }
void setSpan(unsigned span) { m_span = span; }
bool isTableColumnGroupWithColumnChildren() { return firstChild(); }
bool isTableColumn() const { return style()->display() == TABLE_COLUMN; }
bool isTableColumnGroup() const { return style()->display() == TABLE_COLUMN_GROUP; }
RenderTableCol* enclosingColumnGroup() const;
RenderTableCol* enclosingColumnGroupIfAdjacentBefore() const
{
if (previousSibling())
return 0;
return enclosingColumnGroup();
}
RenderTableCol* enclosingColumnGroupIfAdjacentAfter() const
{
if (nextSibling())
return 0;
return enclosingColumnGroup();
}
// Returns the next column or column-group.
RenderTableCol* nextColumn() const;
const BorderValue& borderAdjoiningCellStartBorder(const RenderTableCell*) const;
const BorderValue& borderAdjoiningCellEndBorder(const RenderTableCell*) const;
const BorderValue& borderAdjoiningCellBefore(const RenderTableCell*) const;
const BorderValue& borderAdjoiningCellAfter(const RenderTableCell*) const;
private:
virtual RenderObjectChildList* virtualChildren() OVERRIDE { return children(); }
virtual const RenderObjectChildList* virtualChildren() const OVERRIDE { return children(); }
virtual const char* renderName() const OVERRIDE { return "RenderTableCol"; }
virtual bool isRenderTableCol() const OVERRIDE { return true; }
virtual void updateFromElement() OVERRIDE;
virtual void computePreferredLogicalWidths() OVERRIDE { ASSERT_NOT_REACHED(); }
virtual void insertedIntoTree() OVERRIDE;
virtual void willBeRemovedFromTree() OVERRIDE;
virtual bool isChildAllowed(RenderObject*, RenderStyle*) const OVERRIDE;
virtual bool canHaveChildren() const OVERRIDE;
virtual LayerType layerTypeRequired() const OVERRIDE { return NoLayer; }
virtual LayoutRect clippedOverflowRectForPaintInvalidation(const RenderLayerModelObject* paintInvalidationContainer) const OVERRIDE;
virtual void imageChanged(WrappedImagePtr, const IntRect* = 0) OVERRIDE;
virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle) OVERRIDE;
RenderTable* table() const;
RenderObjectChildList m_children;
unsigned m_span;
};
DEFINE_RENDER_OBJECT_TYPE_CASTS(RenderTableCol, isRenderTableCol());
}
#endif
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