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/*
* Copyright (C) 2009 Alex Milowski (alex@milowski.com). All rights reserved.
* Copyright (C) 2010 François Sausset (sausset@gmail.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 RenderMathMLFraction_h
#define RenderMathMLFraction_h
#if ENABLE(MATHML)
#include "RenderMathMLBlock.h"
namespace WebCore {
class RenderMathMLFraction : public RenderMathMLBlock {
public:
RenderMathMLFraction(Element*);
virtual void addChild(RenderObject* child, RenderObject* beforeChild = 0);
virtual void updateFromElement();
virtual RenderMathMLOperator* unembellishedOperator();
virtual int firstLineBoxBaseline() const OVERRIDE;
float lineThickness() const { return m_lineThickness; }
virtual void paint(PaintInfo&, const LayoutPoint&);
protected:
virtual void layout();
private:
virtual bool isRenderMathMLFraction() const { return true; }
void fixChildStyle(RenderObject* child);
virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle) OVERRIDE;
virtual const char* renderName() const { return "RenderMathMLFraction"; }
LayoutUnit m_lineThickness;
};
inline RenderMathMLFraction* toRenderMathMLFraction(RenderObject* object)
{
ASSERT_WITH_SECURITY_IMPLICATION(!object || (object->isRenderMathMLBlock() && toRenderMathMLBlock(object)->isRenderMathMLFraction()));
return static_cast<RenderMathMLFraction*>(object);
}
inline const RenderMathMLFraction* toRenderMathMLFraction(const RenderObject* object)
{
ASSERT_WITH_SECURITY_IMPLICATION(!object || (object->isRenderMathMLBlock() && toRenderMathMLBlock(object)->isRenderMathMLFraction()));
return static_cast<const RenderMathMLFraction*>(object);
}
}
#endif // ENABLE(MATHML)
#endif // RenderMathMLFraction_h
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