/*

 * Copyright (C) 2010 Alex Milowski (alex@milowski.com). 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 THE COPYRIGHT HOLDERS AND CONTRIBUTORS

 * "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 THE COPYRIGHT

 * OWNER 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 RenderMathMLBlock_h

#define RenderMathMLBlock_h

#if ENABLE(MATHML)

#include "RenderBlock.h"

#define ENABLE_DEBUG_MATH_LAYOUT 0

namespace WebCore {

class RenderMathMLBlock : public RenderBlock {

public:

    RenderMathMLBlock(Node* container);

    virtual bool isChildAllowed(RenderObject*, RenderStyle*) const;

    virtual bool isRenderMathMLBlock() const { return true; }

    virtual bool isRenderMathMLOperator() const { return false; }

    virtual bool isRenderMathMLRow() const { return false; }

    virtual bool isRenderMathMLMath() const { return false; }

    virtual bool hasBase() const { return false; }

    virtual int nonOperatorHeight() const;

    virtual void stretchToHeight(int height);

#if ENABLE(DEBUG_MATH_LAYOUT)

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

#endif

protected:

    int getBoxModelObjectHeight(RenderObject* object) 

    {

        if (object && object->isBoxModelObject()) {

            RenderBoxModelObject* box = toRenderBoxModelObject(object);

            return box->offsetHeight();

        }

        return 0;

    }

    int getBoxModelObjectHeight(const RenderObject* object) 

    {

        if (object && object->isBoxModelObject()) {

            const RenderBoxModelObject* box = toRenderBoxModelObject(object);

            return box->offsetHeight();

        }

        return 0;

    }

    int getBoxModelObjectWidth(RenderObject* object) 

    {

        if (object && object->isBoxModelObject()) {

            RenderBoxModelObject* box = toRenderBoxModelObject(object);

            return box->offsetWidth();

        }

        return 0;

    }

    int getBoxModelObjectWidth(const RenderObject* object) 

    {

        if (object && object->isBoxModelObject()) {

            const RenderBoxModelObject* box = toRenderBoxModelObject(object);

            return box->offsetWidth();

        }

        return 0;

    }

    virtual PassRefPtr<RenderStyle> makeBlockStyle();

};

inline RenderMathMLBlock* toRenderMathMLBlock(RenderObject* object)

{ 

    ASSERT(!object || object->isRenderMathMLBlock());

    return static_cast<RenderMathMLBlock*>(object);

}

inline const RenderMathMLBlock* toRenderMathMLBlock(const RenderObject* object)

{ 

    ASSERT(!object || object->isRenderMathMLBlock());

    return static_cast<const RenderMathMLBlock*>(object);

}

}

#endif // ENABLE(MATHML)

#endif // RenderMathMLBlock_h