/*

* Copyright (c) 2008-2009 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:  active object class for interacting with servicetab for link and Display Name

*

*/

#ifndef CIMCVENGINESTORAGELISTENER_H

#define CIMCVENGINESTORAGELISTENER_H

#include <e32base.h>

#include <e32property.h>

#include <AknWaitDialog.h>

#include "cimcvkeys.h"

_LIT(KDelimiter, ":");

/**

 * constant to define the size of the contact link

 */

#define KMaxDisplayNameContactLinkLength 512

/**

 * constant to define the size of the contact link

 */

#define KMaxServiceIdLength 3

//forword declaration.

class MIMCVEngineStorageObserver

        {

    public : 

        virtual  void HandleServiceBuddyDetailsFetchedL(TInt aServiceId, 

                const TDesC& aXspId,

                const TDesC8 & aContactLink,

                const TDesC & aDisplayName ) = 0 ;

        };

class CIMCVEngineStorageListener : public CActive

    {

public :

        // Constructor

        /**

         * Creates a new CIMCVEngineStorageListener.

         * @param aTabbedView, reference to tabbedview

         * @return New instance of this class         

         */

        static CIMCVEngineStorageListener* NewL(MIMCVEngineStorageObserver& aObserver);

          /**

           * Standard C++ destructor.

           */

         ~CIMCVEngineStorageListener();

         /**

          * Get the Display name and Contact link information.

          * @param aServiceId, service id for which info requested.

          * @param aXspID, xsp Id of contact.

          */

         void GetContactLinkInfoL(TInt aServiceId, const TDesC& aXspID);

private : // From CActive

        /**

        *  RunL

        */

        void RunL();  

        /**

        *  DoCancel

        */

        void DoCancel();

        /*

         * RunError

         */

        TInt RunError ( TInt aError );

private: // Implementation

       /**

        * Standard C++ constructor

        * @param aTabbedView, reference to tabbedview

        */

        CIMCVEngineStorageListener(MIMCVEngineStorageObserver& aObserver);

       /**

        * Performs the 2nd phase of construction.

        */

       void ConstructL();

       /**

        * start listening

        */

       void StartListening();

       /**

        * stop listening

        */

       void StopListening();

private :

    // owns , property to use

    RProperty iProperty;    

    // not owned

    MIMCVEngineStorageObserver& iObserver;

    // own active sheduler 

    CActiveSchedulerWait    iWait;

    };

#endif /*CIMCVENGINESTORAGELISTENER_H*/