/*

* Copyright (c) 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:    Active class to reteive the coordiantes for current location

 *

*/

#ifndef __LOCATIONACQUISITION_H__

#define __LOCATIONACQUISITION_H__

// INCLUDES

#include "calencurrentlocationobserver.h"

#include <lbs.h>

// FORWARD DECLARATIONS

class RPositionServer;

class RPositioner;

class TPosition;

class TPositionInfo;

// CLASS DECLARATION

/**

 * The asynchronous operation handler class to retrieve the current location

 */

class CCalenCurrentLocationAcquisition : public CActive

    {

    public:

    	/**

         * Symbian 1st phase construction

         * @param aObserver Reference of the observer that requests for current location

         */

    	static CCalenCurrentLocationAcquisition* NewL( MCalenCurrentLocationObserver& aObserver );

    	/**

         * C++ constructor

         * @param aObserver Observer to callback once user selects the location

         */

        CCalenCurrentLocationAcquisition( MCalenCurrentLocationObserver& aObserver );

        /**

         * Destructor

         */

        ~CCalenCurrentLocationAcquisition();

        // CActive-related methods

        /**

        * RunL method to handle the user selection

        */

        void RunL();

        /**

        * Cancel method to handle the user selection

        */

        void DoCancel();

        /**

        * Function to handle any errors in async request

        * @param aError   Error Code

        */

        TInt RunError( TInt aError );

        /**

        * Requests for current location asynchronously

        */

        void RequestL();

        /**

        * Cancels the ongoing request

        */

        void CancelRequest();

        /**

        * Function to return current position details

        */

        TPosition& CurrentPosition();

	private:

		 /**

         * Symbian 2nd phase constructor

         */

		 void ConstructL();

    private:

        MCalenCurrentLocationObserver&   iObserver;

        RPositionServer iServer;

        RPositioner iPositioner;

        TPositionInfo iPositionInfo; 

        TPosition iPosition;

    };

#endif /* __LOCATIONACQUISITION_H__ */