/*

* Copyright (c) 2005-2007 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:   Unified Message Editor model observer.

*

*/

#ifndef M_UNIOBJECTSMODELOBSERVER_H

#define M_UNIOBJECTSMODELOBSERVER_H

// ========== INCLUDE FILES ================================

#include <unimodelconst.h>

#include <MsgAttachmentModelObserver.h>

// ========== CONSTANTS ====================================

// ========== MACROS =======================================

// ========== DATA TYPES ===================================

// ========== FUNCTION PROTOTYPES ==========================

// ========== FORWARD DECLARATIONS =========================

class CMsgAttachmentInfo;

// ========== CLASS DECLARATION ============================

/**

*  Attachment model observer.

*

*  @lib UniUtils.lib

*

*  @since S60 3.2

*/

class MUniObjectsModelObserver : public MMsgAttachmentModelObserver

    {

    public:

    /**

     * This function is called when attachment model adds or removes

     * attachments from its list.

     *

     * @since S60 3.2

     *

     * @param aCommand Given command that has caused the change.

     * @param aAttachmentInfo Attachment info that is affected by the change.

     */

    virtual void NotifyChangesL( TMsgAttachmentCommand aCommand, 

                                 CMsgAttachmentInfo* aAttachmentInfo ) = 0;

    /**

     * This function is called when attachment order of the objects 

     * in the model is changed

     *

     * @since S60 3.2

     *

     * @param aLayout  New layout.

     */

    virtual void NotifyOrderChangeL( TUniLayout aLayout ) = 0;

    };

#endif // M_UNIOBJECTSMODELOBSERVER_H

// End of File