/*

* 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:  Event observer interface for group content subscription.

*

*/

#ifndef MGROUPCONTENTEVENTOBSERVER_H

#define MGROUPCONTENTEVENTOBSERVER_H

#include "presencetypehelpers.h"

/**

 * Event observer interface for group content changes.

 *

 * @since S60 v3.2

 */

class MGroupContentEventObserver

    {

public: // Interface

    /** 

     * Handle event of added and removed items.

     */

    virtual void HandleChangeL( RPrGrpMemInfoImpArray& aAdded, RPrGrpMemInfoImpArray& aRemoved ) = 0;

    virtual void HandleSynthesiseL( RPrGrpMemInfoImpArray& aAdded ) = 0;

protected: // Destruction

    /**

     * Object cannot be deleted through this interface

     */

    virtual ~MGroupContentEventObserver(){}

    };

/* ======================================================================== */

#endif // MGROUPCONTENTEVENTOBSERVER_H