/*

 * This file is part of the HTML rendering engine for KDE.

 *

 * 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 AutoTableLayout_h

#define AutoTableLayout_h

#include "Length.h"

#include "TableLayout.h"

#include <wtf/Vector.h>

namespace WebCore {

class RenderTable;

class RenderTableCell;

class AutoTableLayout : public TableLayout {

public:

    AutoTableLayout(RenderTable*);

    ~AutoTableLayout();

    virtual void calcPrefWidths(int& minWidth, int& maxWidth);

    virtual void layout();

protected:

    void fullRecalc();

    void recalcColumn(int effCol);

    void calcPercentages() const;

    int totalPercent() const

    {

        if (m_percentagesDirty)

            calcPercentages();

        return m_totalPercent;

    }

    int calcEffectiveWidth();

    void insertSpanCell(RenderTableCell*);

    struct Layout {

        Layout()

            : minWidth(0)

            , maxWidth(0)

            , effMinWidth(0)

            , effMaxWidth(0)

            , calcWidth(0)

            , emptyCellsOnly(true) {}

        Length width;

        Length effWidth;

        int minWidth;

        int maxWidth;

        int effMinWidth;

        int effMaxWidth;

        int calcWidth;

        bool emptyCellsOnly;

    };

    Vector<Layout, 4> m_layoutStruct;

    Vector<RenderTableCell*, 4> m_spanCells;

    bool m_hasPercent : 1;

    mutable bool m_percentagesDirty : 1;

    mutable bool m_effWidthDirty : 1;

    mutable unsigned short m_totalPercent;

};

} // namespace WebCore

#endif // AutoTableLayout_h