/*

* Copyright (c) 2004 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:  Inform error observers.

*

*/

#ifndef __MCAMESSAGEERRORINFORMER_H__

#define __MCAMESSAGEERRORINFORMER_H__

//	FORWARD CLASS DECLERATIONS

class MCAMessageErrorObserver;

// CLASS DECLARATION

/**

 *  Message error informer

 *

 *  @lib CAEngine.dll

 *  @since 3.0

 */

class MCAMessageErrorInformer

    {

    public: // Interface

        /**

         * Register observer

         * @param aObserver, Observer to register

         */

        virtual void RegisterObserver( MCAMessageErrorObserver* aObserver ) = 0;

        /**

         * Unregister observer

         * @param aObserver, Observer to unregister

         */

        virtual void UnregisterObserver( MCAMessageErrorObserver* aObserver ) = 0;

    protected:

        /**

         * Virtual destructor

         */

        virtual ~MCAMessageErrorInformer() {}

    };

#endif      // __MCAMESSAGEERRORINFORMER_H__

// End of File