1/* 2 * Copyright (C) 2009 Alex Milowski (alex@milowski.com). All rights reserved. 3 * Copyright (C) 2010 François Sausset (sausset@gmail.com). All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 15 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 16 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 17 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 18 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 19 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 20 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27#ifndef RenderMathMLFraction_h 28#define RenderMathMLFraction_h 29 30#if ENABLE(MATHML) 31 32#include "MathMLInlineContainerElement.h" 33#include "RenderMathMLBlock.h" 34 35namespace WebCore { 36 37class RenderMathMLFraction final : public RenderMathMLBlock { 38public: 39 RenderMathMLFraction(MathMLInlineContainerElement&, PassRef<RenderStyle>); 40 41 MathMLInlineContainerElement& element() { return static_cast<MathMLInlineContainerElement&>(nodeForNonAnonymous()); } 42 float lineThickness() const { return m_lineThickness; } 43 44private: 45 virtual bool isRenderMathMLFraction() const override { return true; } 46 virtual const char* renderName() const override { return "RenderMathMLFraction"; } 47 48 virtual void addChild(RenderObject* child, RenderObject* beforeChild) override; 49 virtual void updateFromElement() override; 50 virtual int firstLineBaseline() const override; 51 virtual void paint(PaintInfo&, const LayoutPoint&) override; 52 virtual RenderMathMLOperator* unembellishedOperator() override; 53 virtual void layout() override; 54 virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle) override; 55 56 void fixChildStyle(RenderObject*); 57 58 LayoutUnit m_lineThickness; 59}; 60 61RENDER_OBJECT_TYPE_CASTS(RenderMathMLFraction, isRenderMathMLFraction()) 62 63} 64 65#endif // ENABLE(MATHML) 66 67#endif // RenderMathMLFraction_h 68