Source/core/html/LabelableElement.h

/*
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#ifndef LabelableElement_h
#define LabelableElement_h

#include "core/html/HTMLElement.h"

namespace WebCore {

// LabelableElement represents "labelable element" defined in the HTML
// specification, and provides the implementation of the "labels" attribute.
class LabelableElement : public HTMLElement {
public:
    virtual ~LabelableElement();
    PassRefPtr<NodeList> labels();
    virtual bool supportLabels() const { return false; }

protected:
    LabelableElement(const QualifiedName& tagName, Document&);

private:
    virtual bool isLabelable() const OVERRIDE FINAL { return true; }
};

inline bool isLabelableElement(const Node& node)
{
    return node.isHTMLElement() && toHTMLElement(node).isLabelable();
}

DEFINE_NODE_TYPE_CASTS_WITH_FUNCTION(LabelableElement);

} // namespace WebCore

#endif