2 * Copyright (C) 2008, 2010 Apple Inc. All Rights Reserved.
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5 * modification, are permitted provided that the following conditions
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11 * documentation and/or other materials provided with the distribution.
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32 #include "AbstractWorker.h"
33 #include "ActiveDOMObject.h"
34 #include "EventListener.h"
35 #include "EventNames.h"
36 #include "EventTarget.h"
37 #include "MessagePort.h"
38 #include "WorkerScriptLoaderClient.h"
39 #include <wtf/Forward.h>
40 #include <wtf/OwnPtr.h>
41 #include <wtf/PassRefPtr.h>
42 #include <wtf/RefCounted.h>
43 #include <wtf/RefPtr.h>
44 #include <wtf/text/AtomicStringHash.h>
48 class ScriptExecutionContext;
49 class WorkerContextProxy;
50 class WorkerScriptLoader;
52 typedef int ExceptionCode;
54 class Worker : public AbstractWorker, private WorkerScriptLoaderClient {
56 static PassRefPtr<Worker> create(const String& url, ScriptExecutionContext*, ExceptionCode&);
59 virtual Worker* toWorker() { return this; }
61 void postMessage(PassRefPtr<SerializedScriptValue> message, ExceptionCode&);
62 void postMessage(PassRefPtr<SerializedScriptValue> message, const MessagePortArray*, ExceptionCode&);
63 // FIXME: remove this when we update the ObjC bindings (bug #28774).
64 void postMessage(PassRefPtr<SerializedScriptValue> message, MessagePort*, ExceptionCode&);
68 virtual bool canSuspend() const;
70 virtual bool hasPendingActivity() const;
72 DEFINE_ATTRIBUTE_EVENT_LISTENER(message);
75 Worker(ScriptExecutionContext*);
77 virtual void notifyFinished();
79 virtual void refEventTarget() { ref(); }
80 virtual void derefEventTarget() { deref(); }
82 OwnPtr<WorkerScriptLoader> m_scriptLoader;
83 WorkerContextProxy* m_contextProxy; // The proxy outlives the worker to perform thread shutdown.
86 } // namespace WebCore
88 #endif // ENABLE(WORKERS)