/*

* Copyright (c) 2002-2005 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:   Class for doing Initilization of protocol handler operation.

*

*/

#ifndef C_COMASUPLINITILIZEREQUESTOR_H

#define C_COMASUPLINITILIZEREQUESTOR_H

#include <e32base.h>

#include <epos_csuplsettings.h>

#include "epos_comasuplinitilizeobserver.h"

class COMASuplPosHandlerBase;

class COMASuplSettings;

/**

 *  Class for doing initilization of protocol handler.

 *  

 *  @lib eposomasuplprotocolhandler.lib

 *  @since S60 v3.1u

 */

class COMASuplInitilizeRequestor : public CActive

{

public :  // Constructor 

		/**

		* NewL Method.

		* @since Series 60 3.1u

		* @param MEventCompletionObserver

		* @return Instance of COMASuplInitilizeRequestor

		*/ 

		static COMASuplInitilizeRequestor* NewL(COMASuplPosHandlerBase *aPosHandler,MCompleteInitilization& aObserver, COMASuplSettings* aOMASuplSettings);

		/**

		* Destructor.

		*/

		~COMASuplInitilizeRequestor();

public :    		

		/**

		* DoInitilization Method, starts initilzation

		* @since Series 60 3.1u

		* @param None

		* @return None

		*/ 

		void DoInitilizationL();

		/**

		* GetIMSI Method, Retrieves IMSI from SIM

		* @since Series 60 3.1u

		* @param aIMSI, TDes

		* @return TInt, error code

		*/ 

		TInt GetIMSI(TDes& aIMSI);

private : 

		/**

		* CompleteSelf Method, request for self completion

		* @since Series 60 3.1u

		* @param None

		* @return None

		*/ 

		void CompleteSelf();

		/**

		* Constuctor 

		* @since Series 60 3.1u

		* @param aObserver, MCompleteInitilization

		* @return None

		*/

		COMASuplInitilizeRequestor(COMASuplPosHandlerBase *aPosHandler,MCompleteInitilization& aObserver,COMASuplSettings* aOMASuplSettings);

		/**

		* By default Symbian 2nd phase constructor is private.

		*/

		void ConstructL();

		/**

		* Checks for IMSI variance

		*/

		void SetVariant();

  protected :  // Functions from CActive

		/**

		* From CActive 

		* To handle request completion

		*/

		void RunL();

		/**

		* From CActive 

		* To cancel the asynchronous requests

		*/

		void DoCancel();  

 private : //Data

		enum TInitializeRequestorState

		    {

		    ENotInitialized = 0,

		    EInitializePosHandler,

		    EInitializeSuplSettings,

		    EInitializationComplete

		    };

		//POS Handler   

		COMASuplPosHandlerBase*     iPosHandler;

		//Observer for initilization			

		MCompleteInitilization&     iObserver; 

        //Tracing utility

	    COMASuplTrace* iTrace;

		TInitializeRequestorState   iState;

		CSuplSettings*              iSuplSettings;

		TBool						iVariantEnabled;

		COMASuplSettings* iOMASuplSettings;

};

#endif //C_COMASUPLINITILIZEREQUESTOR_H