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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 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
#include <wtf/PassRefPtr.h>
#include <wtf/RefPtr.h>
#include <wtf/Threading.h>
namespace WebCore {
class LocalStorage;
class LocalStorageArea;
class LocalStorageThread;
class LocalStorageTask : public ThreadSafeShared<LocalStorageTask> {
public:
enum Type { StorageImport, StorageSync, AreaImport, AreaSync, TerminateThread };
static PassRefPtr<LocalStorageTask> createImport(PassRefPtr<LocalStorage> storage) { return adoptRef(new LocalStorageTask(StorageImport, storage)); }
static PassRefPtr<LocalStorageTask> createImport(PassRefPtr<LocalStorageArea> area) { return adoptRef(new LocalStorageTask(AreaImport, area)); }
static PassRefPtr<LocalStorageTask> createSync(PassRefPtr<LocalStorage> storage) { return adoptRef(new LocalStorageTask(StorageSync, storage)); }
static PassRefPtr<LocalStorageTask> createSync(PassRefPtr<LocalStorageArea> area) { return adoptRef(new LocalStorageTask(AreaSync, area)); }
static PassRefPtr<LocalStorageTask> createTerminate(PassRefPtr<LocalStorageThread> thread) { return adoptRef(new LocalStorageTask(TerminateThread, thread)); }
void performTask();
private:
LocalStorageTask(Type, PassRefPtr<LocalStorageArea>);
LocalStorageTask(Type, PassRefPtr<LocalStorage>);
LocalStorageTask(Type, PassRefPtr<LocalStorageThread>);
Type m_type;
RefPtr<LocalStorageArea> m_area;
RefPtr<LocalStorage> m_storage;
RefPtr<LocalStorageThread> m_thread;
};
} // namespace WebCore
#endif // LocalStorageTask_h
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