/*

 * 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 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 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 LocalStorageTask_h

#define LocalStorageTask_h

#if ENABLE(DOM_STORAGE)

#include <wtf/PassRefPtr.h>

#include <wtf/RefPtr.h>

#include <wtf/Threading.h>

namespace WebCore {

    class StorageAreaSync;

    class LocalStorageThread;

    // FIXME: Rename this class to StorageTask

    class LocalStorageTask : public ThreadSafeShared<LocalStorageTask> {

    public:

        enum Type { AreaImport, AreaSync, TerminateThread };

        ~LocalStorageTask();

        static PassRefPtr<LocalStorageTask> createImport(StorageAreaSync* area) { return adoptRef(new LocalStorageTask(AreaImport, area)); }

        static PassRefPtr<LocalStorageTask> createSync(StorageAreaSync* area) { return adoptRef(new LocalStorageTask(AreaSync, area)); }

        static PassRefPtr<LocalStorageTask> createTerminate(LocalStorageThread* thread) { return adoptRef(new LocalStorageTask(TerminateThread, thread)); }

        void performTask();

    private:

        LocalStorageTask(Type, StorageAreaSync*);

        LocalStorageTask(Type, LocalStorageThread*);

        Type m_type;

        StorageAreaSync* m_area;

        LocalStorageThread* m_thread;

    };

} // namespace WebCore

#endif // ENABLE(DOM_STORAGE)

#endif // LocalStorageTask_h