/*
 * 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 TABLE_LAYOUT_H
#define TABLE_LAYOUT_H

#include <misc/khtmllayout.h>
#include <QVector>
namespace khtml
{

class RenderTable;
class RenderTableCell;

// -------------------------------------------------------------------------

class TableLayout
{
public:
    TableLayout(RenderTable *t) : table(t) {}
    virtual ~TableLayout() {}

    virtual void calcMinMaxWidth() = 0;
    virtual void layout() = 0;

protected:
    RenderTable *table;
};

// -------------------------------------------------------------------------

class FixedTableLayout : public TableLayout
{
public:
    FixedTableLayout(RenderTable *table);
    ~FixedTableLayout();

    void calcMinMaxWidth() Q_DECL_OVERRIDE;
    void layout() Q_DECL_OVERRIDE;

protected:
    int calcWidthArray();

    QVector<Length> width;
};

// -------------------------------------------------------------------------

class AutoTableLayout : public TableLayout
{
public:
    AutoTableLayout(RenderTable *table);
    ~AutoTableLayout();

    void calcMinMaxWidth() Q_DECL_OVERRIDE;
    void layout() Q_DECL_OVERRIDE;

protected:
    void fullRecalc();
    void recalcColumn(int effCol);
    int calcEffectiveWidth();
    void insertSpanCell(RenderTableCell *cell);

    struct Layout {
        Layout() : minWidth(1), maxWidth(1),
            effMinWidth(0), effMaxWidth(0),
            calcWidth(0), emptyCellsOnly(true) {}
        Length width;
        Length effWidth;
        short minWidth;
        int maxWidth;
        short effMinWidth;
        int effMaxWidth;
        int calcWidth;
        bool emptyCellsOnly;
    };

    QVector<Layout> layoutStruct;
    QVector<RenderTableCell *>spanCells;
    bool hasPercent : 1;
    mutable bool effWidthDirty : 1;
};

}
#endif
