/*

* 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:  

*

*/

#ifndef __MCSREQUESTNOTIFICATION_H_

#define __MCSREQUESTNOTIFICATION_H_

#include <e32base.h>

#include "mcsmenunotifier.h"

class MMCSCallback;

/**

 * This class implements MCS SAPI core logic for Request Notification async requests.

 * 

 */

class CMCSReqNotification: public CActive

    {

    public:

        /**

        * Two-phased constructor.

        * @param aMCS MenuContentService object.

        * @param aCallback Callback Object for Change notification.

        * @return CMCSRunningApps reference.

        */

        static CMCSReqNotification* NewL(RMenu& aMCS);

        /**

         * Destructor.

        */

        virtual ~CMCSReqNotification();

    private:

         /** 

         * Default constructor.

         */

         CMCSReqNotification();

         /** 

         * ConstructL

         * @param aMCS MenuContentService object.

         */

         void ConstructL(RMenu& aMCS);

         /**

         * Inherited from CActive class 

         */ 

         virtual void DoCancel();

         /**

         * Inherited from CActive class 

         */ 

         virtual void RunL();

         /**

         * Activates the request and call SetActive() function

         */ 

         void ActivateRequest(TInt aReason);

    public :

        /** 

         * Starts the notification of events.

         * @param aFolderId folder id to observe the events.

         * @param aEvent events to notificy.

         */

         void StartNotificationL(TInt aFolderId, TInt aEvent, MMCSCallback* aCallback );

         /** 

          * Stops the registered notifcation. 

          */

         void StopNotificationL();

    private:

        RMenuNotifier  iNotifier;

        /** Folder it to watch owned. */

        TInt iFolderId;

        /** Events to Notifiy. owned */

        TInt iEvents;

        /** Callback Object. Not owned. */ 

        MMCSCallback* iCallback;

        /** notification watch owned */

        TBool iIsNotification;

        /** iMCS reference. Not owned. */

        RMenu iMCS;

    };

#endif /*__MCSREQUESTNOTIFICATION_H_*/