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/*
* Copyright (C) 2014 Frédéric Wang (fred.wang@free.fr). All rights reserved.
* Copyright (C) 2016 Igalia S.L.
* Copyright (C) 2016 Apple Inc. 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 "RenderMathMLBlock.h"
namespace WebCore {
class MathMLTokenElement;
class RenderMathMLToken : public RenderMathMLBlock {
WTF_MAKE_TZONE_OR_ISO_ALLOCATED(RenderMathMLToken);
WTF_OVERRIDE_DELETE_FOR_CHECKED_PTR(RenderMathMLToken);
public:
RenderMathMLToken(Type, MathMLTokenElement&, RenderStyle&&);
RenderMathMLToken(Type, Document&, RenderStyle&&);
virtual ~RenderMathMLToken();
MathMLTokenElement& element();
virtual void updateTokenContent();
void updateFromElement() override;
protected:
void paint(PaintInfo&, const LayoutPoint&) override;
void paintChildren(PaintInfo& forSelf, const LayoutPoint&, PaintInfo& forChild, bool usePrintRect) override;
std::optional<LayoutUnit> firstLineBaseline() const override;
void layoutBlock(RelayoutChildren, LayoutUnit pageLogicalHeight = 0_lu) override;
void computePreferredLogicalWidths() override;
private:
bool isRenderMathMLToken() const final { return true; }
ASCIILiteral renderName() const override { return "RenderMathMLToken"_s; }
bool isChildAllowed(const RenderObject&, const RenderStyle&) const final { return true; };
void styleDidChange(StyleDifference, const RenderStyle* oldStyle) override;
void updateMathVariantGlyph();
void setMathVariantGlyphDirty()
{
m_mathVariantGlyphDirty = true;
setNeedsLayoutAndPrefWidthsRecalc();
}
std::optional<char32_t> m_mathVariantCodePoint { std::nullopt };
bool m_mathVariantIsMirrored { false };
bool m_mathVariantGlyphDirty { false };
};
} // namespace WebCore
SPECIALIZE_TYPE_TRAITS_RENDER_OBJECT(RenderMathMLToken, isRenderMathMLToken())
#endif // ENABLE(MATHML)
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