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/*
* 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 RenderMathMLOperator_h
#define RenderMathMLOperator_h
#if ENABLE(MATHML)
#include "RenderMathMLBlock.h"
namespace WebCore {
class RenderMathMLOperator : public RenderMathMLBlock {
public:
RenderMathMLOperator(Node* container);
RenderMathMLOperator(Node* container, UChar operatorChar);
virtual bool isRenderMathMLOperator() const { return true; }
virtual void stretchToHeight(int pixelHeight);
virtual void updateFromElement();
virtual bool isChildAllowed(RenderObject*, RenderStyle*) const;
virtual int baselinePosition(bool , bool) const;
protected:
virtual void layout();
virtual RefPtr<RenderStyle> createStackableStyle(int size, int topRelative);
virtual RenderBlock* createGlyph(UChar glyph, int size = 0, int charRelative = 0, int topRelative = 0);
private:
int m_stretchHeight;
bool m_isStacked;
UChar m_operator;
};
inline RenderMathMLOperator* toRenderMathMLOperator(RenderMathMLBlock* block)
{
ASSERT(!block || block->isRenderMathMLOperator());
return static_cast<RenderMathMLOperator*>(block);
}
inline const RenderMathMLOperator* toRenderMathMLOperator(const RenderMathMLBlock* block)
{
ASSERT(!block || block->isRenderMathMLOperator());
return static_cast<const RenderMathMLOperator*>(block);
}
}
#endif // ENABLE(MATHML)
#endif // RenderMathMLOperator_h
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