/*
* 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 WebIDBCursor_h
#define WebIDBCursor_h
#include "WebCommon.h"
#include "WebIDBCallbacks.h"
#include "WebIDBKey.h"
#include "WebString.h"
namespace blink {
// See comment in WebIDBFactory for a high level overview these classes.
class WebIDBCursor {
public:
virtual ~WebIDBCursor() { }
enum Direction {
Next = 0,
NextNoDuplicate = 1,
Prev = 2,
PrevNoDuplicate = 3,
DirectionLast = PrevNoDuplicate
};
virtual void advance(unsigned long, WebIDBCallbacks*) { BLINK_ASSERT_NOT_REACHED(); }
virtual void continueFunction(const WebIDBKey&, const WebIDBKey& primaryKey, WebIDBCallbacks*) { BLINK_ASSERT_NOT_REACHED(); }
virtual void postSuccessHandlerCallback() { } // Only used in frontend.
protected:
WebIDBCursor() { }
};
} // namespace blink
#endif // WebIDBCursor_h