blob: 04a0befadf1154d7f8a17279782c12baad54a2c3 [file] [log] [blame]
// Copyright 2019 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_MATHML_MATHML_ELEMENT_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_MATHML_MATHML_ELEMENT_H_
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/core/dom/element.h"
#include "third_party/blink/renderer/core/mathml_names.h"
#include "third_party/blink/renderer/platform/wtf/casting.h"
namespace blink {
class CORE_EXPORT MathMLElement : public Element {
DEFINE_WRAPPERTYPEINFO();
public:
MathMLElement(const QualifiedName& tagName,
Document& document,
ConstructionType constructionType = kCreateMathMLElement);
~MathMLElement() override;
bool HasTagName(const MathMLQualifiedName& name) const {
return HasLocalName(name.LocalName());
}
protected:
bool IsPresentationAttribute(const QualifiedName&) const override;
void CollectStyleForPresentationAttribute(
const QualifiedName&,
const AtomicString&,
MutableCSSPropertyValueSet*) override;
private:
void ParseAttribute(const AttributeModificationParams&) final;
bool IsMathMLElement() const =
delete; // This will catch anyone doing an unnecessary check.
};
template <typename T>
bool IsElementOfType(const MathMLElement&);
template <>
inline bool IsElementOfType<const MathMLElement>(const MathMLElement&) {
return true;
}
template <>
inline bool IsElementOfType<const MathMLElement>(const Node& node) {
return IsA<MathMLElement>(node);
}
template <>
struct DowncastTraits<MathMLElement> {
static bool AllowFrom(const Node& node) { return node.IsMathMLElement(); }
};
inline bool Node::HasTagName(const MathMLQualifiedName& name) const {
auto* mathml_element = DynamicTo<MathMLElement>(this);
return mathml_element && mathml_element->HasTagName(name);
}
} // namespace blink
#include "third_party/blink/renderer/core/mathml_element_type_helpers.h"
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_MATHML_MATHML_ELEMENT_H_