// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

// This component and the accompanying materials are made available

// under the terms of "Eclipse Public License v1.0"

// which accompanies this distribution, and is available

// at the URL "http://www.eclipse.org/legal/epl-v10.html".

//

// Initial Contributors:

// Nokia Corporation - initial contribution.

//

// Contributors:

//

// Description:

//

/**

 @file

 @test

 @internalComponent

*/

#include <e32base.h>

#ifndef __T_PERF_DATA_H__

#define __T_PERF_DATA_H__

class CTPerfData : public CBase

	{

public:

	IMPORT_C static CTPerfData* NewL();

	/**

	* Start performance counter. Use this to mark the

	* point at which measurement is to start e.g. beginning

	* of draw frame.

	*/

	IMPORT_C void StartCounter();

	/**

	* Stop performance counter. Call this to mark the point

	* at which measurement is to finish e.g. end of draw

	* frame.

	*/

	IMPORT_C void StopCounterL();

	/**

	* Write performance results to designated file

	*

	* @param	aFileName Name of file to write to

	* @leave	System wide error code.

	*/

	IMPORT_C void WriteResultsL(const TDesC& aFileName);

	~CTPerfData();

private:

	void Construct();

	void AnalyseResultsL();

	void TrimedMeanL();

	void MaxTime();

	void MinTime();

	void FrameRateL();

	CTPerfData() {}

private:

	RArray<TUint32> iResults;

	TUint32 iCounter;

	TUint32 iTrimedMean;

	TUint32 iMaxTime;

	TUint32 iMinTime;

	TReal iFrameRate;

	};

#endif //__T_PERF_DATA_H__