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/*
* 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 {
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)
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