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/*
* Copyright (C) 2008 Apple Inc. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#ifndef DedicatedWorker_h
#define DedicatedWorker_h
#if ENABLE(WORKERS)
#include "ActiveDOMObject.h"
#include "CachedResourceClient.h"
#include "CachedResourceHandle.h"
#include "EventListener.h"
#include <wtf/PassRefPtr.h>
#include <wtf/RefCounted.h>
#include <wtf/RefPtr.h>
namespace WebCore {
class CachedResource;
class CachedScript;
class Document;
class ScriptExecutionContext;
class MessagePort;
class String;
typedef int ExceptionCode;
class DedicatedWorker : public RefCounted<DedicatedWorker>, public ActiveDOMObject, private CachedResourceClient {
public:
static PassRefPtr<DedicatedWorker> create(const String& url, Document* document, ExceptionCode& ec) { return adoptRef(new DedicatedWorker(url, document, ec)); }
~DedicatedWorker();
Document* document() const;
PassRefPtr<MessagePort> startConversation(ScriptExecutionContext*, const String& message);
void close();
void postMessage(const String& message, MessagePort* port = 0);
void setOnMessageListener(PassRefPtr<EventListener> eventListener) { m_onMessageListener = eventListener; }
EventListener* onMessageListener() const { return m_onMessageListener.get(); }
void setOnCloseListener(PassRefPtr<EventListener> eventListener) { m_onCloseListener = eventListener; }
EventListener* onCloseListener() const { return m_onCloseListener.get(); }
void setOnErrorListener(PassRefPtr<EventListener> eventListener) { m_onErrorListener = eventListener; }
EventListener* onErrorListener() const { return m_onErrorListener.get(); }
private:
friend class WorkerThreadScriptLoadTimer;
DedicatedWorker(const String&, Document*, ExceptionCode&);
void startLoad();
virtual void notifyFinished(CachedResource*);
void dispatchErrorEvent();
KURL m_scriptURL;
CachedResourceHandle<CachedScript> m_cachedScript;
RefPtr<EventListener> m_onMessageListener;
RefPtr<EventListener> m_onCloseListener;
RefPtr<EventListener> m_onErrorListener;
};
} // namespace WebCore
#endif // ENABLE(WORKERS)
#endif // DedicatedWorker_h
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