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31 #ifndef AbstractWorker_h
32 #define AbstractWorker_h
36 #include "ActiveDOMObject.h"
37 #include "AtomicStringHash.h"
38 #include "EventListener.h"
39 #include "EventTarget.h"
40 #include <wtf/PassRefPtr.h>
41 #include <wtf/RefCounted.h>
42 #include <wtf/RefPtr.h>
46 class ScriptExecutionContext;
48 class AbstractWorker : public RefCounted<AbstractWorker>, public ActiveDOMObject, public EventTarget {
51 virtual ScriptExecutionContext* scriptExecutionContext() const { return ActiveDOMObject::scriptExecutionContext(); }
53 virtual void addEventListener(const AtomicString& eventType, PassRefPtr<EventListener>, bool useCapture);
54 virtual void removeEventListener(const AtomicString& eventType, EventListener*, bool useCapture);
55 virtual bool dispatchEvent(PassRefPtr<Event>, ExceptionCode&);
57 // Utility routines to generate appropriate error events for loading and script exceptions.
58 void dispatchLoadErrorEvent();
59 void dispatchScriptErrorEvent(const String& errorMessage, const String& sourceURL, int);
61 void setOnerror(PassRefPtr<EventListener> eventListener) { m_onErrorListener = eventListener; }
62 EventListener* onerror() const { return m_onErrorListener.get(); }
63 typedef Vector<RefPtr<EventListener> > ListenerVector;
64 typedef HashMap<AtomicString, ListenerVector> EventListenersMap;
65 EventListenersMap& eventListeners() { return m_eventListeners; }
67 using RefCounted<AbstractWorker>::ref;
68 using RefCounted<AbstractWorker>::deref;
70 AbstractWorker(ScriptExecutionContext*);
71 virtual ~AbstractWorker();
75 virtual void refEventTarget() { ref(); }
76 virtual void derefEventTarget() { deref(); }
78 RefPtr<EventListener> m_onErrorListener;
79 EventListenersMap m_eventListeners;
82 } // namespace WebCore
84 #endif // ENABLE(WORKERS)
86 #endif // AbstractWorker_h