// 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__