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/*
* Copyright (C) 2010 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:
*
* 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 AND ITS 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 APPLE OR ITS 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 IDBCursor_h
#define IDBCursor_h
#if ENABLE(INDEXED_DATABASE)
#include "ExceptionCode.h"
#include <wtf/PassRefPtr.h>
#include <wtf/RefCounted.h>
#include <wtf/RefPtr.h>
namespace WebCore {
class IDBAny;
class IDBCallbacks;
class IDBCursorBackendInterface;
class IDBKey;
class IDBRequest;
class IDBTransaction;
class ScriptExecutionContext;
class SerializedScriptValue;
class IDBCursor : public RefCounted<IDBCursor> {
public:
enum Direction {
NEXT = 0,
NEXT_NO_DUPLICATE = 1,
PREV = 2,
PREV_NO_DUPLICATE = 3,
};
static PassRefPtr<IDBCursor> create(PassRefPtr<IDBCursorBackendInterface> backend, IDBRequest* request, IDBTransaction* transaction)
{
return adoptRef(new IDBCursor(backend, request, transaction));
}
~IDBCursor();
// FIXME: Try to modify the code generator so this is unneeded.
void continueFunction(ExceptionCode& ec) { continueFunction(0, ec); }
// Implement the IDL
unsigned short direction() const;
PassRefPtr<IDBKey> key() const;
PassRefPtr<IDBAny> value() const;
PassRefPtr<IDBRequest> update(ScriptExecutionContext*, PassRefPtr<SerializedScriptValue>, ExceptionCode&);
void continueFunction(PassRefPtr<IDBKey>, ExceptionCode&);
PassRefPtr<IDBRequest> deleteFunction(ScriptExecutionContext*, ExceptionCode&);
private:
explicit IDBCursor(PassRefPtr<IDBCursorBackendInterface>, IDBRequest*, IDBTransaction*);
RefPtr<IDBCursorBackendInterface> m_backend;
RefPtr<IDBRequest> m_request;
RefPtr<IDBTransaction> m_transaction;
};
} // namespace WebCore
#endif
#endif // IDBCursor_h
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