/* * Copyright (C) 2016 Igalia S.L. 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. */ #pragma once #if ENABLE(MATHML) #include "MathMLOperatorDictionary.h" #include "MathMLOperatorElement.h" #include "RenderMathMLOperator.h" namespace WebCore { class RenderMathMLFencedOperator final : public RenderMathMLOperator { WTF_MAKE_ISO_ALLOCATED(RenderMathMLFencedOperator); public: RenderMathMLFencedOperator(Document&, RenderStyle&&, const String& operatorString, MathMLOperatorDictionary::Form, unsigned short flags = 0); void updateOperatorContent(const String&); private: bool isRenderMathMLFencedOperator() const final { return true; } bool isVertical() const final { return m_operatorChar.isVertical; } UChar32 textContent() const final { return m_operatorChar.character; } LayoutUnit leadingSpace() const final; LayoutUnit trailingSpace() const final; // minsize always has the default value "1em". LayoutUnit minSize() const final { return style().fontCascade().size(); } // maxsize always has the default value "infinity". LayoutUnit maxSize() const final { return intMaxForLayoutUnit; } bool hasOperatorFlag(MathMLOperatorDictionary::Flag flag) const final { return m_operatorFlags & flag; } // We always use the MathOperator class for anonymous mfenced operators, since they do not have text content in the DOM. bool useMathOperator() const final { return true; } MathMLOperatorElement::OperatorChar m_operatorChar; unsigned short m_leadingSpaceInMathUnit; unsigned short m_trailingSpaceInMathUnit; MathMLOperatorDictionary::Form m_operatorForm; unsigned short m_operatorFlags; }; }; // namespace WebCore SPECIALIZE_TYPE_TRAITS_RENDER_OBJECT(RenderMathMLFencedOperator, isRenderMathMLFencedOperator()) #endif // ENABLE(MATHML)