/* * 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 RenderMathMLSubSup_h #define RenderMathMLSubSup_h #if ENABLE(MATHML) #include "RenderMathMLBlock.h" namespace WebCore { // Render a base with a subscript and/or a superscript. class RenderMathMLSubSup : public RenderMathMLBlock { public: RenderMathMLSubSup(Element*); virtual void addChild(RenderObject* child, RenderObject* beforeChild = 0); virtual RenderMathMLOperator* unembellishedOperator(); protected: virtual void layout(); private: virtual bool isRenderMathMLSubSup() const { return true; } void fixAnonymousStyles(); virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle) OVERRIDE; virtual const char* renderName() const { return "RenderMathMLSubSup"; } // Omit our subscript and/or superscript. This may return 0 for a non-MathML base (which // won't occur in valid MathML). RenderBoxModelObject* base() const; enum SubSupType { Sub, Super, SubSup }; SubSupType m_kind; RenderMathMLBlock* m_scripts; }; } #endif // ENABLE(MATHML) #endif // RenderMathMLSubSup_h