/*

* 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:  Harvester client active object

*

*/

#ifndef __CHARVESTERCLIENTAO_H__

#define __CHARVESTERCLIENTAO_H__

#include <e32msgqueue.h>

#include <e32base.h>

#include <badesca.h>

#include "harvesterclient.h"

class RHarvesterClient;

class MHarvestObserver;

NONSHARABLE_CLASS( CHarvesterClientAO ) : public CActive

    {

    public:

        /**

        * Construction.

        */

        static CHarvesterClientAO* NewL( RHarvesterClient &aHarvesterClient );

        /**

        * Destruction.

        */

        virtual ~CHarvesterClientAO();

        /**

        * Method for adding an observer.

        * @param aObserver  Pointer to observer object.

        */

        void SetObserver( MHarvestObserver* aObserver );

        /**

        * Method for removing an observer.

        * @param aObserver  Pointer to observer object.

        */		

        void RemoveObserver( MHarvestObserver* aObserver );

        void NotificateObserver( TInt aErr );

        /**

         * Set AO to active state. RunL is launched from harvesting complete

         * request which are subscribed from server.

         */ 

        void Active();

    protected:

        /**

         * RunL.

         * From CActive.

         */

        virtual void RunL();

        /**

         * DoCancel.

         * From CActive.

         */

        virtual void DoCancel();

        /**

         * RunError for handling leaves occuring in RunL.

         * From CActive.

         */

        virtual TInt RunError( TInt aError );

    private:

        /**

        * Private constructor

        * 

        * @param aHarvesterClient Reference to session class

        */	

        CHarvesterClientAO( RHarvesterClient &aHarvesterClient );

        /**

        * 2nd phase construction

        */	

        void ConstructL();        

    private:

        /**

        * Observer of the class

        */ 

        MHarvestObserver* iObserver;

        /**

        * Reference to Harvester client session

        */   	

        RHarvesterClient& iHarvesterClient;

        /**

         * Harvester server assigned file name

         */ 

        TFileName iURI;

    };

#endif // __CHARVESTERCLIENTAO_H__