1/* 2 * Copyright (C) 2014 Frédéric Wang (fred.wang@free.fr). All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 14 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 15 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 16 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 17 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 18 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 19 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#ifndef RenderMathMLToken_h 27#define RenderMathMLToken_h 28 29#if ENABLE(MATHML) 30 31#include "MathMLTextElement.h" 32#include "RenderMathMLBlock.h" 33#include "RenderText.h" 34 35namespace WebCore { 36 37class RenderMathMLToken : public RenderMathMLBlock { 38public: 39 RenderMathMLToken(Element&, PassRef<RenderStyle>); 40 RenderMathMLToken(Document&, PassRef<RenderStyle>); 41 42 MathMLTextElement& element() { return static_cast<MathMLTextElement&>(nodeForNonAnonymous()); } 43 44 virtual bool isRenderMathMLToken() const override final { return true; } 45 virtual bool isChildAllowed(const RenderObject&, const RenderStyle&) const override { return true; }; 46 virtual void addChild(RenderObject* newChild, RenderObject* beforeChild) override; 47 virtual void updateTokenContent(); 48 void updateFromElement() override; 49 50protected: 51 void createWrapperIfNeeded(); 52 53private: 54 virtual const char* renderName() const override { return isAnonymous() ? "RenderMathMLToken (anonymous)" : "RenderMathMLToken"; } 55 virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle) override; 56 virtual void updateStyle(); 57 58 // This boolean indicates whether the token element contains some RenderElement descendants, other than the anonymous renderers created for layout purpose. 59 bool m_containsElement; 60}; 61 62RENDER_OBJECT_TYPE_CASTS(RenderMathMLToken, isRenderMathMLToken()) 63 64} 65 66#endif // ENABLE(MATHML) 67#endif // RenderMathMLToken_h 68