/*

* 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 handling SUPL_POS message...

*

*/

#ifndef EPOS_COMASUPLPOSSTATE_H

#define EPOS_COMASUPLPOSSTATE_H

#include <e32base.h>

#include <lbs/epos_comasuplpospayload.h>

#include "epos_comasuplstate.h"

class COMASuplPosSessionBase;

class COMASuplPOSRequestor;

class COMASuplPosPayload;

class COMASuplVelocity;

class COMASuplPos;

class COMASuplSETCapabilities;

class COMASuplAsnHandlerBase;

/**

 *  COMASuplPosState handles all SUPL_POS related processing.

 *  @lib eposomasuplprotocolhandler.lib

 *  @since S60 v3.1

 */

class COMASuplPosState : public COMASuplState,public MOMASuplMsgStateObserver

{

	public :  // Constructor 

		/**

		* NewL Method.

		* @since S60 v3.1

		* @param None

		* @return None

		* @return Instance of COMASuplPosState

		*/ 

		static COMASuplPosState* NewL(COMASuplPosSessionBase* aPOSSession,TInt aMsgTimeout,COMASuplSETCapabilities* aSETCapabilities,

																	COMASuplAsnHandlerBase* aOMASuplAsnHandlerBase);

		/**

		* Destructor.

		*/

		~COMASuplPosState();

    public:		//COMASuplState

	  /**

		* GenerateMessageL Method,Generates SUPL_END message...

		* @since S60 v3.1

		* @param None

		* @return system wide error

		*/ 

		virtual TInt GenerateMessageL();

    /**

		* EncodeMessageL Method,Encodes SUPL_END message...

		* @since S60 v3.1

		* @param aSuplVersion, version of SUPL

		* @param aSessionId, sessionid of session.

		* @param aError, error code if any error occures while conversion.

		* @return encoded data, HBufC8*

		*/ 

		virtual HBufC8* EncodeMessageL(TOMASuplVersion &aSuplVersion,

						COMASuplSessionID* aSessionId,TInt &aError);

    /**

		* CancelOperation Method,Cancels operations if it is ongoing

		* @since S60 v3.1

		* @param None

		* @return None

		*/ 

		virtual void CancelOperation();

    /**

		* ProcessMessage Method,Process SUPL_END message...

		* @since S60 v3.1u

		* @param None

		* @return system wide error

		*/ 

		virtual TInt ProcessMessageL(COMASuplAsnMessageBase* aDecodedMessage); 

		/**

		* StartTimer Method, Starts timer...

		* @since Series 60 3.1

		* @param None

		* @return None

		*/ 

		virtual void StartTimer();

		/**

		* OperationCompleteL Method,

		* @since Series 60 3.1

		* @param None

		* @return None

		*/ 

		void OperationCompleteL(TInt aError);

		void GetPositionComplete(TInt aError);

   public:

       	/**

		* IsLastMessage Method,returns true if POS plugin has anything to sent to SLP

		* @since Series 60 3.1

		* @param None

		* @return TBool

		*/ 

		TBool IsLastMessage();

       	/**

		* IsGenerationInProgress Method,returns true if generation is in progress or not

		* @since Series 60 3.1

		* @param None

		* @return TBool

		*/ 

		TBool IsGenerationInProgress();

       	/**

		* IsSegmentationDone Method,checks for segmentation is done 

		* @since Series 60 3.1

		* @param None

		* @return TBool

		*/ 

		TBool IsSegmentationDone() const;

	   	/**

		* SetRemainingPosPayloadFromSuplPosInit Method,Sets remaining pospayload from SUPL_POS_INIT

		* @since Series 60 3.1

		* @param aRemainingPospayload, will give remaining pos payload

		* @return None

		*/ 

		void SetRemainingPosPayloadFromSuplPosInitL(COMASuplPosPayload* aRemainingPospayload);	

	private :

	   	/**

		* IterateSuplInfoListL Method,returns None

		* @since Series 60 3.1

		* @param 

		* @return 

		*/ 

		void IterateSuplInfoListL(COMASuplPos* aOMASuplPos,TInt &aError);	

	   	/**

		* PseudoSegmentationL Method,does segmentation of pospayload

		* @since Series 60 3.1

		* @param None

		* @return None

		*/ 

		void PseudoSegmentationL();

	   	/**

		* LogPosPayLoadData Method,returns None

		* @since Series 60 3.1

		* @param None

		* @return None

		*/ 

		void LogPosPayLoadData();

	   	/**

		* LogVelocity Method,returns None

		* @since Series 60 3.1

		* @param None

		* @return None

		*/ 

		void LogVelocity();		

		TBool CheckPOSPayloadType(const COMASuplPosPayload *aPosPayload);

		void LogPacket(const TDesC8& aPacket);

	protected : 

		//Constuctor

		COMASuplPosState(COMASuplPosSessionBase* aPOSSession,TInt aMsgTimeout,COMASuplSETCapabilities* aSETCapabilities,

										 COMASuplAsnHandlerBase* aOMASuplAsnHandlerBase);

	  /**

	  * ConstructL Method, 2nd phase construction

	  * @since S60 v3.1u

	  * @param None

	  * @return None

	  */

		void ConstructL();

	private: //Data

	//POS Session 

	COMASuplPosSessionBase* iPOSSession;

	//POS Requestor

	COMASuplPOSRequestor* iPOSRequestor;

	COMASuplPosPayload* iOMASuplPosPayLoad;

	COMASuplVelocity* iOMASuplVelocity;

	//SET capabilities

	COMASuplSETCapabilities* iSETCapabilities;

	//Error code from POS plugin		

	TInt iRequestError;

	TBool iGenerationStatus;

	//Will hold if segmented used for last time...

	TBool iIsLastPosPayloadSegmented;

	//Will hold remaining pospayload data...

	HBufC8* iRemainingPospayload;

	//Will hold pospayload type...

	COMASuplPosPayload::TOMASuplPosPayloadType iPosPayLoadType;

	TBool iIsAnyPosPayloadFromPosInit;

	COMASuplAsnHandlerBase* iOMASuplAsnHandlerBase;

};

#endif //C_COMASUPLPOSSTATE_H