/*

* Copyright (c) 2006 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:   Definition of MNcdSubscriptionOperation interface

*

*/

#ifndef M_NCDSUBSCRIPTIONOPERATION_H

#define M_NCDSUBSCRIPTIONOPERATION_H

#include <e32cmn.h>

#include "ncdoperation.h"

class MNcdSubscriptionOperationObserver;

/**

 *  Subscription operation interface

 */

class MNcdSubscriptionOperation : public MNcdOperation

    {

public:

    /**

     * Unique identifier for the interface, required for all MCatalogsBase interfaces.

     *

     * 

     */

    enum { KInterfaceUid = ENcdSubscriptionOperationUid };

    /**

     * Subscription operation type.

     *

     * 

     */

    enum TType

        {

        /** Stop an active subscription */

        EUnsubscribe,

        /** Refresh subscriptions from service providers */

        ERefreshSubscriptions

        };

    /**

     * Return the operation type.

     *

     * 

     * @return Type of the operation.

     */

    virtual TType SubscriptionOperationType() const = 0;

protected:

    /**

    * Destructor.

    *

    * @see MCatalogsBase::~MCatalogsBase

    */

    virtual ~MNcdSubscriptionOperation() {}

    };

#endif // M_NCDSUBSCRIPTIONOPERATION_H