#pragma once
#if ENABLE(MATHML)
#include "MathMLNames.h"
#include "StyledElement.h"
namespace WebCore {
class MathMLElement : public StyledElement {
public:
static Ref<MathMLElement> create(const QualifiedName& tagName, Document&);
unsigned colSpan() const;
unsigned rowSpan() const;
bool isMathMLToken() const
{
return hasTagName(MathMLNames::miTag) || hasTagName(MathMLNames::mnTag) || hasTagName(MathMLNames::moTag) || hasTagName(MathMLNames::msTag) || hasTagName(MathMLNames::mtextTag);
}
bool isSemanticAnnotation() const
{
return hasTagName(MathMLNames::annotationTag) || hasTagName(MathMLNames::annotation_xmlTag);
}
virtual bool isPresentationMathML() const;
bool hasTagName(const MathMLQualifiedName& name) const { return hasLocalName(name.localName()); }
enum class LengthType { Cm, Em, Ex, In, MathUnit, Mm, ParsingFailed, Pc, Percentage, Pt, Px, UnitLess };
struct Length {
LengthType type { LengthType::ParsingFailed };
float value { 0 };
bool dirty { true };
};
static Length parseMathMLLength(const String&);
protected:
MathMLElement(const QualifiedName& tagName, Document&);
void parseAttribute(const QualifiedName&, const AtomicString&) override;
bool childShouldCreateRenderer(const Node&) const override;
void attributeChanged(const QualifiedName&, const AtomicString& oldValue, const AtomicString& newValue, AttributeModificationReason) override;
bool isPresentationAttribute(const QualifiedName&) const override;
void collectStyleForPresentationAttribute(const QualifiedName&, const AtomicString&, MutableStyleProperties&) override;
bool isPhrasingContent(const Node&) const;
bool isFlowContent(const Node&) const;
bool willRespondToMouseClickEvents() override;
void defaultEventHandler(Event*) override;
const Length& cachedMathMLLength(const QualifiedName&, Length&);
private:
virtual void updateSelectedChild() { }
static Length parseNumberAndUnit(const StringView&);
static Length parseNamedSpace(const StringView&);
bool canStartSelection() const final;
bool isFocusable() const final;
bool isKeyboardFocusable(KeyboardEvent*) const final;
bool isMouseFocusable() const final;
bool isURLAttribute(const Attribute&) const final;
bool supportsFocus() const final;
int tabIndex() const final;
};
inline bool Node::hasTagName(const MathMLQualifiedName& name) const
{
return isMathMLElement() && downcast<MathMLElement>(*this).hasTagName(name);
}
}
SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::MathMLElement)
static bool isType(const WebCore::Node& node) { return node.isMathMLElement(); }
SPECIALIZE_TYPE_TRAITS_END()
#include "MathMLElementTypeHelpers.h"
#endif // ENABLE(MATHML)