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/*
* Copyright (C) 2002 Lars Knoll (knoll@kde.org)
* (C) 2002 Dirk Mueller (mueller@kde.org)
*
* 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.
*
* 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 TableLayoutAlgorithm_h
#define TableLayoutAlgorithm_h
#include "platform/LayoutUnit.h"
#include "wtf/Allocator.h"
#include "wtf/Noncopyable.h"
namespace blink {
class LayoutTable;
class TableLayoutAlgorithm {
WTF_MAKE_NONCOPYABLE(TableLayoutAlgorithm);
USING_FAST_MALLOC(TableLayoutAlgorithm);
public:
explicit TableLayoutAlgorithm(LayoutTable* table) : m_table(table) {}
virtual ~TableLayoutAlgorithm() {}
virtual void computeIntrinsicLogicalWidths(LayoutUnit& minWidth,
LayoutUnit& maxWidth) = 0;
virtual LayoutUnit scaledWidthFromPercentColumns() { return LayoutUnit(); }
virtual void applyPreferredLogicalWidthQuirks(LayoutUnit& minWidth,
LayoutUnit& maxWidth) const = 0;
virtual void layout() = 0;
virtual void willChangeTableLayout() = 0;
protected:
// FIXME: Once we enable SATURATED_LAYOUT_ARITHMETHIC, this should just be
// LayoutUnit::nearlyMax(). Until then though, using nearlyMax causes
// overflow in some tests, so we just pick a large number.
const static int tableMaxWidth = 1000000;
LayoutTable* m_table;
};
} // namespace blink
#endif // TableLayoutAlgorithm_h
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