// 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

 @internalTechnology

 @released

*/

#ifndef LBS_POSREQUESTHANDLER_H

#define LBS_POSREQUESTHANDLER_H

// System  

#include <e32base.h>

#include <lbspositioninfo.h>

#include <lbs/lbssuplproxyposclient.h>

#include <lbs/epos_comasuplposition.h>

#include <lbssatellite.h>

//Component

class MRequestHandlerObserver

	{

public:	

	virtual void OnGetPositionComplete(TInt aError) = 0;

	virtual void OnGetSuplInfoComplete(TInt aError) = 0;

	};

/**

* This Class Handles verification requests.

*/

NONSHARABLE_CLASS(CSuplPosRequestHandler) : public CActive

    {

    public:  

    	enum TRequestType

    		{

    		ENone,			// no request outstanding

    		EGetPosition,	// getposition request outstanding

    		EGetSuplInfo,	// getsuplinfo request outstanding

    		};

        static CSuplPosRequestHandler* NewL(MRequestHandlerObserver& aObserver, RSuplProxyPosSubSession& aSubSession);

        virtual ~CSuplPosRequestHandler();

    public: 

    	void GetPositionL(COMASuplPosition* aPosition);

        void CancelGetPosition();

        void GetSuplInfoL(COMASuplInfoRequestList* aSuplInfoRequestList);

        void CancelGetSuplInfoL();

        void ResetState();

    private: // From CActive

       void RunL();

       void DoCancel();

       TInt RunError(TInt aError);

    private:

        // c'tor

        CSuplPosRequestHandler(MRequestHandlerObserver& aObserver, RSuplProxyPosSubSession& aSubSession);

        // Fills in the OMA position member from the LBS position info member

        void FillOMAPositionL(const TPositionInfoBase& aLbsPosition, COMASuplPosition* aSuplPosition);

        // Fills in the OMA SuplInfoRequestList

        TInt FillSuplInfoListL();        

        // whether the stored SuplInfoRequestList includes a pospayload request

        TBool RequestMaskIncludesPosPayload();

        // sets the request mask in the structure we pass to SPPM based for GetSuplInfoL()

        void SetRequestMaskFromSuplInfoListL();

    private:    // Data

    	// the subsession to use for making requests to LBS subsystem

        RSuplProxyPosSubSession& 	iSubSession;

        // passed by the client to store the returned position. Ownership not taken.

        COMASuplPosition*			iOmaPosition;

        // observer to inform when async request completes

        MRequestHandlerObserver&	iObserver;

        // Passed to the LBS subsystem to be filled with position

        TPositionCourseInfo		iPosition;	// pass in the biggest container we might need?

        // the type of request we are currently waiting for

        TRequestType				iRequestOutstanding;

        // passed by the client to store the returned supl info. Ownership not taken.     

        COMASuplInfoRequestList*    iSuplInfoReqList;  

        // Passed to the SPPM to be filled with supl info (not including any pospayload)

        TSuplInfoRequestData		iSuplInfoRequestData;	

        // Passed to the SPPM to be filled with pospayload if one requested in GetSuplInfoL()

        HBufC8*						iPosPayload;

        // Indicates whether we have already seen a GetSuplInfoL() request for pospayload + velocity 

        TBool						iFirstSUPLPOSPosPayloadProcessed;

    };

#endif      // LBS_POSREQUESTHANDLER_H