summationobserver.h

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/**
*
* MSummationObserver SummationObserver.h
* Interface class defines function to be called 
* when summation has been completed 
*
* Copyright (c) 2004 Nokia Corporation
* version 2.0
*/

#ifndef __SUMMATIONOBSERVER_H__
#define __SUMMATIONOBSERVER_H__

// INCLUDES

// System includes
#include <e32base.h>

// CLASS DECLARATION


class MSummationObserver
	{
public:
    /**
     * Function:    SummationComplete
     * Description: Pure virtual function to be implemented by derived classes
	 *              This function should be called on the observer when 
	 *              the summation is complete
	 * Params:      aFinalValue - the summation value
     */	
	virtual void SummationComplete (TInt aFinalValue) = 0;
	};

#endif	// __SUMMATIONOBSERVER_H__

// End of File