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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 Storage_h
#define Storage_h
#if ENABLE(DOM_STORAGE)
#include <wtf/Forward.h>
#include <wtf/RefCounted.h>
#include <wtf/RefPtr.h>
namespace WebCore {
class Frame;
class StorageArea;
class String;
typedef int ExceptionCode;
class Storage : public RefCounted<Storage> {
public:
static PassRefPtr<Storage> create(Frame*, PassRefPtr<StorageArea>);
~Storage();
unsigned length() const;
String key(unsigned index) const;
String getItem(const String&) const;
void setItem(const String& key, const String& value, ExceptionCode&);
void removeItem(const String&);
void clear();
bool contains(const String& key) const;
Frame* frame() { return m_frame; }
void disconnectFrame() { m_frame = 0; }
private:
Storage(Frame*, PassRefPtr<StorageArea>);
Frame* m_frame;
RefPtr<StorageArea> m_storageArea;
};
} // namespace WebCore
#endif // ENABLE(DOM_STORAGE)
#endif // Storage_h
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