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#ifndef V8LazyEventListener_h

#define V8LazyEventListener_h

#include "PlatformString.h"

#include "V8AbstractEventListener.h"

#include <v8.h>

#include <wtf/PassRefPtr.h>

namespace WebCore {

    class Event;

    class Frame;

    // V8LazyEventListener is a wrapper for a JavaScript code string that is compiled and evaluated when an event is fired.

    // A V8LazyEventListener is always a HTML event handler.

    class V8LazyEventListener : public V8AbstractEventListener {

    public:

        static PassRefPtr<V8LazyEventListener> create(const String& functionName, bool isSVGEvent, const String& code, const String& sourceURL, int lineNumber, int columnNumber, const WorldContextHandle& worldContext)

        {

            return adoptRef(new V8LazyEventListener(functionName, isSVGEvent, code, sourceURL, lineNumber, columnNumber, worldContext));

        }

        virtual bool isLazy() const { return true; }

    protected:

        virtual void prepareListenerObject(ScriptExecutionContext*);

    private:

        V8LazyEventListener(const String& functionName, bool isSVGEvent, const String& code, const String sourceURL, int lineNumber, int columnNumber, const WorldContextHandle& worldContext);

        virtual v8::Local<v8::Value> callListenerFunction(ScriptExecutionContext*, v8::Handle<v8::Value> jsEvent, Event*);

        // Needs to return true for all event handlers implemented in JavaScript so that

        // the SVG code does not add the event handler in both

        // SVGUseElement::buildShadowTree and again in

        // SVGUseElement::transferEventListenersToShadowTree

        virtual bool wasCreatedFromMarkup() const { return true; }

        String m_functionName;

        bool m_isSVGEvent;

        String m_code;

        String m_sourceURL;

        int m_lineNumber;

        int m_columnNumber;

    };

} // namespace WebCore

#endif // V8LazyEventListener_h