/*

 * Copyright (C) 2009 Apple Inc. All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 * 2. Redistributions in binary form must reproduce the above copyright

 *    notice, this list of conditions and the following disclaimer in the

 *    documentation and/or other materials provided with the distribution.

 *

 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY

 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR

 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY

 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 

 */

#ifndef RenderDataGrid_h

#define RenderDataGrid_h

#if ENABLE(DATAGRID)

#include "HTMLDataGridElement.h"

#include "RenderBlock.h"

#include "ScrollbarClient.h"

#include "StyleImage.h"

#include <wtf/RefPtr.h>

#include <wtf/Vector.h>

namespace WebCore {

class RenderDataGrid : public RenderBlock, private ScrollbarClient {

public:

    RenderDataGrid(Element*);

    ~RenderDataGrid();

    virtual const char* renderName() const { return "RenderDataGrid"; }

    virtual bool canHaveChildren() const { return false; }

    virtual void calcPrefWidths();

    virtual void layout();

    virtual void paintObject(PaintInfo&, int tx, int ty);

    void columnsChanged();

private:

    virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle);

    virtual bool requiresForcedStyleRecalcPropagation() const { return true; }

    RenderStyle* columnStyle(DataGridColumn*);

    RenderStyle* headerStyle(DataGridColumn*);

    void recalcStyleForColumns();

    void recalcStyleForColumn(DataGridColumn*);

    void layoutColumns();

    void paintColumnHeaders(PaintInfo&, int tx, int ty);

    void paintColumnHeader(DataGridColumn*, PaintInfo&, int tx, int ty);

    HTMLDataGridElement* gridElement() const { return static_cast<HTMLDataGridElement*>(node()); }

    // ScrollbarClient interface.

    virtual void valueChanged(Scrollbar*);

    virtual void invalidateScrollbarRect(Scrollbar*, const IntRect&);

    virtual bool isActive() const;

    virtual bool scrollbarCornerPresent() const { return false; } // We don't support resize on data grids yet.  If we did this would have to change.

    virtual IntRect convertFromScrollbarToContainingView(const Scrollbar*, const IntRect&) const;

    virtual IntRect convertFromContainingViewToScrollbar(const Scrollbar*, const IntRect&) const;

    virtual IntPoint convertFromScrollbarToContainingView(const Scrollbar*, const IntPoint&) const;

    virtual IntPoint convertFromContainingViewToScrollbar(const Scrollbar*, const IntPoint&) const;

    RefPtr<Scrollbar> m_vBar;

};

}

#endif

#endif // RenderDataGrid_h