Source/core/dom/CustomElementDefinition.h

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#ifndef CustomElementDefinition_h
#define CustomElementDefinition_h

#include "core/dom/CustomElementCallback.h"
#include "core/dom/QualifiedName.h"
#include "wtf/Forward.h"
#include "wtf/PassRefPtr.h"
#include "wtf/RefCounted.h"

namespace WebCore {

class CustomElementDefinition : public RefCounted<CustomElementDefinition> {
public:
    static PassRefPtr<CustomElementDefinition> create(const AtomicString& type, const AtomicString& name, const AtomicString& namespaceURI, PassRefPtr<CustomElementCallback>);

    virtual ~CustomElementDefinition() {}

    enum CustomElementKind {
        CustomTag,
        TypeExtension
    };

    // This specifies whether the custom element is in the HTML or SVG
    // namespace.
    const AtomicString& namespaceURI() const { return m_tag.namespaceURI(); }

    // This uniquely identifies the Custom Element. For custom tags, this
    // is the tag name and the same as "name". For type extensions, this
    // is the value of the "is" attribute.
    const AtomicString& type() const { return m_type; }

    // This is the tag name of the Custom Element.
    const AtomicString& name() const { return m_tag.localName(); }

    // This is a convenience property derived from "namespaceURI" and
    // "name". Custom Elements of this kind will have this tag
    // name. This does not have a prefix.
    const QualifiedName& tagQName() const { return m_tag; }

    CustomElementKind kind() const { return isTypeExtension() ? TypeExtension : CustomTag; }
    bool isTypeExtension() const { return type() != name(); }

    CustomElementCallback* callback() const { return m_callback.get(); }

private:
    CustomElementDefinition(const AtomicString& type, const AtomicString& name, const AtomicString& namespaceURI, PassRefPtr<CustomElementCallback>);

    AtomicString m_type;
    QualifiedName m_tag;
    RefPtr<CustomElementCallback> m_callback;
};

}

#endif // CustomElementDefinition_h