/*

* Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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: 

*

*/

#if (!defined __CAF_STEP_H__)

#define __CAF_STEP_H__

#include <test/testexecutestepbase.h>

class CCAFServer;

class CApaDataRecognizerType;

//Base class used to provide utility functions availble to test step classes

class CCAFStep : public CTestStep

	{

public:

	CCAFStep();

	virtual ~CCAFStep();

	/* 

	* Convert a 16-bit descriptor to an 8-bit descriptor

	* A new HBufC8 is allocated to store the new version of the descriptor

	* @param source a descriptor derived from TDesC16 

	* @return a new HBufC8 with a copy of the data in source

	*/

	HBufC8* ConvertDes16toHBufC8LC(TDesC& source);

	/* 

	* Convert a 8-bit descriptor to an 16-bit descriptor

	* A new HBufC16 is allocated to store the new version of the descriptor

	* @param source a descriptor derived from TDesC8 

	* @return a new HBufC16 with a copy of the data in source

	*/

	HBufC16* ConvertDes8toHBufC16LC(TDesC8& source);

	/* 

	* Load CAFRECOGNIZER.MDL and create an instance of CApaCafRecognizer that can be used

	* by derived classes

	*/

	void LoadCafRecognizerL();

	/* 

	* Delete the instance of CApaCafRecognizer and unload the CAFRECOGNIZER.MDL library 

	*/

	void UnLoadCafRecognizer();

	/* 

	* Implementation of CTestStep virtual functions, create and install a CActiveScheduler

	*/

	virtual TVerdict doTestStepPreambleL();

	/* 

	* Implementation of CTestStep virtual functions, uninstalls and removes the CActiveScheduler

	*/

	virtual TVerdict doTestStepPostambleL();

	/* delete a file */

	TInt Delete(const TDesC& aFile);

protected:

	/* 

	* Open the file and read data into the buffer up until the length of the buffer

	* aBuffer.Length() will be set to the length of data read

	* @param aFileName the file to read from

	* @param aBuffer the buffer to read into

	*/

	void ReadBufferL(TDesC16& aFileName, TDes8& aBuffer);

	/* Starts the Apparc server (for use by CSupplier tests)

	*/

	void StartApparcServerL();

	CApaDataRecognizerType *iRecognizer;

	/** Is called to initialise the following parameters

	 */ 

	void  InitialiseFileHandleParametersL();

	RFs		iFs;

	RFile	iFile;

	TPtrC	iUri;

	TPtrC	iUniqueId;

	TInt	iExpectedResult;

private:

	CActiveScheduler *iActiveScheduler;

	TUid iDtorIDKey;

	};

#endif