/*

* Copyright (c) 2006-2009 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:  

*

*/

#ifndef C_CPOSITIONINFO_H

#define C_CPOSITIONINFO_H

#include <lbs.h>

#include <lbssatellite.h>

#include "rlocationtrail.h"

/**

*  An observer interface, which is used for getting current position info.

*

*  @since S60 3.1

*/

class MPositionInfoObserver

    {

public:    

    /**

     * This method is used for setting the network cell id to the 

     * location trail.

     */

    virtual void Position( const TPositionInfo& aPositionInfo, 

                           const TInt aError ) = 0;

    };

/**

 *

 *  @since S60 3.1

 */

class CPositionInfo : public CActive

    {

public:  

    /**

     * 2-phased constructor.

     * @since S60 3.1

     */

    IMPORT_C static CPositionInfo* NewL( MPositionInfoObserver* aTrail );

    /**

     * C++ destructor.

     * @since S60 3.1

     */    

    IMPORT_C virtual ~CPositionInfo();

public:

    /**

     * Start collecing positions.

     * @since S60 3.1

     * @param None.

     * @return None.

     */    

    void StartL( RLocationTrail::TTrailCaptureSetting aCaptureSetting, TInt aUpdateInterval );

    /**

     * Get next position.

     * @since S60 3.1

     * @param None.

     * @return None.

     */  

    void NextPosition();   

    /**

     * Stop collecing positions.

     * @since S60 3.1

     * @param None.

     * @return None.

     */    

    void Stop();

protected:

    /**

     * Run error implementation in case of RunL leaving.

     * @since S60 3.1

     */

    TInt RunError( TInt aError );

private:

    /**

     * C++ constructor.

     */  

    CPositionInfo( MPositionInfoObserver* aTrail );

    /**

     * 2nd phase constructor.

     */

    void ConstructL();

private:

    /**

    * From CActive.

    */        

    void DoCancel();

    /**

    * From CActive.

    */        

    void RunL(); 

private:

    /**

     * An observer interface to set current position to the location trail.

     * Not own.

     */

    MPositionInfoObserver* iTrail;

    /**

     * Position server.

     * Own.

     */

    RPositionServer iPosServer;

    /**

     * Positioner.

     * Own.

     */

    RPositioner iPositioner;

    TPositionSatelliteInfo iPositionInfo; 

    TPositionUpdateOptions iUpdateOptions;

    RLocationTrail::TTrailCaptureSetting   iTrailCaptureSetting;

    TInt iUpdateInterval;

    TBool iFirstInterval;

    };

#endif // C_CPOSITIONINFO_H

// End of file.