/*

* Copyright (c) 2008 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:  Definition of Movement Detection API

*

*/

#ifndef C_LBTCELLIDMVMTDET_H

#define C_LBTCELLIDMVMTDET_H

#include <e32base.h>

#include <commdb.h>

#include "lbtmovementdetector.h"

#include "lbtcellidmvmtdetgetcelldata.h"

#include "lbtcellidmvmtdetcelloberserver.h"

#include "lbtcellinfo.h"

#include "lbtcellidmvmtdetconsts.h"

/**

 *  CLbtCellIdMvmtDet is an ECom plugin that implements CLbtMovementDetector.

 *

 *  This class is responsible for monitering movement of mobile based on

 *  GSM information available to mobile at any instant.

 *

 *  @lib movementdetector.lib

 *  @since  S60 v4.0

 */

NONSHARABLE_CLASS( CLbtCellIdMvmtDet) : public CLbtMovementDetector,

										public MLbtCellIdMvmtDetCellOberserver

    {

public:

   /**

     * Load a movement detector and initalises it. Detector does not start running until

     * a call to @p Start().

     *

     * @since S60 TACO

     */

     static CLbtCellIdMvmtDet* NewL();

    /**

     * Unloads this movement detector.

     *

     * @since S60 TACO

     */

     virtual ~CLbtCellIdMvmtDet();

	// From CLbtMovementDetector

    /**

     * Request notification for movement. This registers an object as an observer to

     * movement notifications.

     *

     * @since S60 TACO

     * @param aObserver An observer to be registered. Object must implement @p MMovementObserver

     *

     * @param aSleepDuration Time duration during which movement detection should listen for movement.

     */

     virtual void RequestNotificationL( MLbtMovementObserver* aObserver,

                                                    TInt aSleepDuration );

    /**

     * Request removal of movement notification request.

     *

     * @since S60 TACO

     */

     virtual void StopNotification();

private://from MLbtCellIdMvmtDetGsmOberserver

	 void HandleCellDataL( RMmCustomAPI::TMmCellInfo& aCellInfo, TInt& aError );

private:

	/**  

	 * Initialises communication database,opens a session to 

	 * RTelServer and RMobilePhone.

	 */

	 void InitializeL();

	/**

	 * Gets the information regarding ARFCN,BSIC,timing advance

	 * for the mobile at that instance.

	 *

	 */

	 void GetCellInfo();

	/**

	 *

	 */

	 void HandleGsmDataL( RMmCustomAPI::TMmCellInfo& aCellInfo );

	/**

	 *

	 */

	 void HandleWcmdaDataL( RMmCustomAPI::TMmCellInfo& aCellInfo ); 

	/**

	 * 

	 */

     TInt ComputeED( TReal& aED, CLbtCellInfo* aCurrCellInfo, 

                                    CLbtCellInfo* aPrevCellInfo );

	/**

	 *

	 */

	 void ComputeVarianceOfED();

	/**

	 *

	 */

	 void CalculateSDForWcdmaNmr(TReal& aCarrierRSSISD,TReal& aCpichEcN0SD,

                                 TReal& aCpichRscpSD,TReal& aPathlossSD,

                                 TInt& aCellChangeCount );

	/**

	 *

	 */

	 TBool MovementDetected( TReal& aCarrierRSSISD,TReal& aCpichEcN0SD,

                             TReal& aCpichRscpSD,TReal& aPathlossSD,

                             TInt& aCellChangeCount  ); 

    /**

     * 

     */

     void DetectShortGsmMovement();

    /**

     * 

     */

     void DetectShortWcdmaMovement();

    /**

     * 

     */

     void CheckBsicVariation(); 

    /**

     * 

     */

     TReal CalculateComparisionFactor( TInt aSleepDuration );

	/**

	 * 2nd phase constuctor for instantiating member variables

	 */

	 void ConstructL();

	/**

	 * Default C++ Constructor

	 */

	 CLbtCellIdMvmtDet();

private: // data

    /**

     * 

     */

    TTime                               iStartTime; 

    /**

     * Sleep duration

     */

    TInt                                iSleepDuration;

    /**

     *

     */

    TReal                               iSumOfED;

    /**

     *

     */

    TReal                               iAvgOfVariance;

    /**

     *

     */

    RArray< TReal >                     iVarianceOfED;

    /**

     *

     */

    RArray< TReal >                     iED;

    /**

     * 

     */

    RArray< TReal >                     iSumOfSd;

    /**

     *

     */

    RArray< TReal >                     iVarianceOfRssi;  

    /**

     * Handle to telephony server.

     */

    RTelServer 			                iTelServer;

    /**

     * Handle to mobile phone functionality.

     */

    RMobilePhone 		                iMPhone;

    /**

     * Handle to etel multimode custom api.

     */

    RMmCustomAPI 		                iCApi;

    /**

     * Previous network type

     */

    RMmCustomAPI::TMmCellInfo::TNwMode  iPreviousNetworkMode; 

    /**

     *

     */

    CLbtCellInfo*                        iPrevCellInfo;

    /**

     *

     */

    CLbtCellInfo*                        iInitialCellInfo;

    /**

     *

     */

    CLbtCellInfo*                        iCurrentCellInfo;

    /**

     *

     */

    CLbtCellIdMvmtDetGetCellData*        iCellIdMvmtDetGetCellData;

    /**

     * Wcdma cell info

     */

    CLbtCellInfo*                        iWcdmaCellInfo; 

    /**

     * Pointer to movement detection observer.

     * Not own

     */

    MLbtMovementObserver*               iObserver;

    };

#endif // C_LBTCELLIDMVMTDET_H