2 * Copyright (C) 2008, 2010 Apple Inc. All Rights Reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
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17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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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/PassRefPtr.h>
41 #include <wtf/RefPtr.h>
42 #include <wtf/text/AtomicStringHash.h>
46 class ScriptExecutionContext;
47 class WorkerContextProxy;
48 class WorkerScriptLoader;
50 typedef int ExceptionCode;
52 class Worker : public AbstractWorker, private WorkerScriptLoaderClient {
54 static PassRefPtr<Worker> create(const String& url, ScriptExecutionContext*, ExceptionCode&);
57 virtual Worker* toWorker() { return this; }
59 void postMessage(PassRefPtr<SerializedScriptValue> message, ExceptionCode&);
60 void postMessage(PassRefPtr<SerializedScriptValue> message, const MessagePortArray*, ExceptionCode&);
61 // FIXME: remove this when we update the ObjC bindings (bug #28774).
62 void postMessage(PassRefPtr<SerializedScriptValue> message, MessagePort*, ExceptionCode&);
66 virtual bool canSuspend() const;
68 virtual bool hasPendingActivity() const;
70 DEFINE_ATTRIBUTE_EVENT_LISTENER(message);
73 Worker(ScriptExecutionContext*);
75 // WorkerScriptLoaderClient callbacks
76 virtual void didReceiveResponse(unsigned long identifier, const ResourceResponse&);
77 virtual void notifyFinished();
79 virtual void refEventTarget() { ref(); }
80 virtual void derefEventTarget() { deref(); }
82 RefPtr<WorkerScriptLoader> m_scriptLoader;
83 WorkerContextProxy* m_contextProxy; // The proxy outlives the worker to perform thread shutdown.
86 } // namespace WebCore
88 #endif // ENABLE(WORKERS)