/*
 * Copyright (C) 2009 Google 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:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * 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.
 *     * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "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 THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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 */

#ifndef WebSharedWorkerRepository_h
#define WebSharedWorkerRepository_h

#include "platform/WebCommon.h"

namespace WebKit {

class WebString;
class WebSharedWorker;
class WebURL;

class WebSharedWorkerRepository {
public:
    // Unique identifier for the parent document of a worker (unique within a given process).
    typedef unsigned long long DocumentID;

    // Tracks a newly-created SharedWorker via the repository.
    virtual void addSharedWorker(WebSharedWorker*, DocumentID) = 0;

    // Invoked when a document has been detached. DocumentID can be re-used after documentDetached() is invoked.
    virtual void documentDetached(DocumentID) = 0;

    // Returns true if the passed document is associated with any SharedWorkers.
    virtual bool hasSharedWorkers(DocumentID) = 0;
};

// Initializes shared worker support.
WEBKIT_EXPORT void setSharedWorkerRepository(WebSharedWorkerRepository*);

} // namespace WebKit

#endif // WebSharedWorkerRepository_h