Source/core/workers/SharedWorkerRepository.h

/*
 * Copyright (C) 2009 Google Inc. All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
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 *
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 * notice, this list of conditions and the following disclaimer.
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 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
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 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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#ifndef SharedWorkerRepository_h
#define SharedWorkerRepository_h

#include "wtf/Forward.h"
#include "wtf/PassOwnPtr.h"
#include "wtf/PassRefPtr.h"

namespace WebCore {

    class Document;
    class ExceptionState;
    class KURL;
    class MessagePortChannel;
    class SharedWorker;

    // Interface to a repository which manages references to the set of active shared workers.
    class SharedWorkerRepository {
    public:
        // Returns true if the platform supports SharedWorkers, otherwise false.
        static bool isAvailable();

        // Connects the passed SharedWorker object with the specified worker thread, creating a new thread if necessary.
        static void connect(PassRefPtr<SharedWorker>, PassOwnPtr<MessagePortChannel>, const KURL&, const String& name, ExceptionState&);

        // Invoked when a document has been detached.
        static void documentDetached(Document*);

        // Returns true if the passed document is associated with any SharedWorkers.
        static bool hasSharedWorkers(Document*);
    private:
        SharedWorkerRepository() { }
    };

} // namespace WebCore

#endif // SharedWorkerRepository_h