/*

* Copyright (c) 2003-2005 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:  Group data container observer interface

*

*/

#ifndef MCASTOREDGROUPSOBSERVER_H

#define MCASTOREDGROUPSOBSERVER_H

#include <e32std.h>

#include "TStorageManagerGlobals.h"

// CLASS DECLARATION

/**

 *  Interface for group data container observer

 *

 *  @lib CAStorage.dll

 *  @since 2.1

 */

class MCAStoredGroupsObserver

    {

    public: // New functions

        /**

         * Called when a group is deleted.

         * @since 2.1

         * @param aId The ID of the deleted group

         */

        virtual void HandleDelete( const TDesC& aId ) = 0;

        /**

         * Called when a group is added.

         * @since 2.1

         * @param aId The ID of the added group

         */

        virtual void HandleAddition( const TDesC& aId ) = 0;

        /**

         * Called when a group is changed.

         * @since 2.1

         * @param aId The ID of the changed group

         */

        virtual void HandleChange( const TDesC& aId ) = 0;

        /**

         * Called when backup/restore starts/stops.

         * There is no distinction between backup/restore (Symbian limitation).

         * However, the called party should fetch new list(s) as they

         * may have changed if the operation was restore operation.

         * @since 2.1

         * @param aEventType Type of backup/restore event

         */

        virtual void HandleBackupRestoreEvent(

            const TStorageManagerGlobals::TCAObserverEventType aEventType ) = 0;

        /**

         * Virtual destructor

         */

        virtual ~MCAStoredGroupsObserver() {};

    };

#endif      // MCASTOREDGROUPSOBSERVER_H

// End of File