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/*
* Copyright (C) 2009 Alex Milowski (alex@milowski.com). All rights reserved.
* Copyright (C) 2010 Apple Inc. All rights reserved.
* Copyright (C) 2016 Igalia S.L.
*
* 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 "MathMLElement.h"
namespace WebCore {
class MathMLPresentationElement : public MathMLElement {
WTF_MAKE_TZONE_OR_ISO_ALLOCATED(MathMLPresentationElement);
WTF_OVERRIDE_DELETE_FOR_CHECKED_PTR(MathMLPresentationElement);
public:
static Ref<MathMLPresentationElement> create(const QualifiedName& tagName, Document&);
protected:
MathMLPresentationElement(const QualifiedName& tagName, Document&, OptionSet<TypeFlag> = { });
void attributeChanged(const QualifiedName&, const AtomString& oldValue, const AtomString& newValue, AttributeModificationReason) override;
static std::optional<bool> toOptionalBool(const BooleanValue& value) { return value == BooleanValue::Default ? std::nullopt : std::optional<bool>(value == BooleanValue::True); }
const BooleanValue& cachedBooleanAttribute(const QualifiedName&, std::optional<BooleanValue>&);
static Length parseMathMLLength(const String&, bool acceptLegacyMathMLLengths);
const Length& cachedMathMLLength(const QualifiedName&, std::optional<Length>&);
virtual bool acceptsMathVariantAttribute() { return false; }
std::optional<MathVariant> specifiedMathVariant() final;
std::optional<MathVariant> m_mathVariant;
private:
RenderPtr<RenderElement> createElementRenderer(RenderStyle&&, const RenderTreePosition&) override;
bool isPresentationMathML() const final { return true; }
static Length parseNumberAndUnit(StringView, bool acceptLegacyMathMLLengths);
static Length parseNamedSpace(StringView);
static MathVariant parseMathVariantAttribute(const AtomString& attributeValue);
};
}
#endif // ENABLE(MATHML)
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