/**************************************************************
 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
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#ifndef DBAUI_SCROLLHELPER_HXX
#define DBAUI_SCROLLHELPER_HXX

#ifndef _LINK_HXX 
#include <tools/link.hxx>
#endif
#ifndef _SV_GEN_HXX 
#include <tools/gen.hxx>
#endif
#ifndef _SV_TIMER_HXX 
#include <vcl/timer.hxx>
#endif

namespace dbaui
{
	class OScrollHelper
	{
		Link	m_aUpScroll;
		Link	m_aDownScroll;
	public:
		/** default contructor
		*/
		OScrollHelper();

		~OScrollHelper();

		/** set the memthod which should be called when scrolling up
			@param	_rUpScroll
				the method to set
		*/
		inline void setUpScrollMethod( const Link& _rUpScroll )
		{
			m_aUpScroll = _rUpScroll;
		}

		/** set the memthod which should be called when scrolling down
			@param	_rDownScroll
				the method to set
		*/
		inline void setDownScrollMethod( const Link& _rDownScroll )
		{
			m_aDownScroll = _rDownScroll;
		}

		/** check if a scroll method has to be called
			@param	_rPoint	
				the current selection point
			@param	_rOutputSize
				the output size of the window
		*/
		void scroll(const Point& _rPoint, const Size& _rOutputSize);
	};
}
#endif // DBAUI_SCROLLHELPER_HXX