/*

* Copyright (c) 2009 - 2009 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:  Interface header for event listener.

*

*/

#ifndef MEMAILOBSERVERLISTENER_H

#define MEMAILOBSERVERLISTENER_H

namespace EmailInterface {

// Forward declarations

class MEmailObserverPlugin;

class MEmailData;

/**

 * Interface class that is implemented by the plugin instantiator

 */

class MEmailObserverListener

{

    public:

    /**

     * Client callback routine. Client should override this method to implement

     * event handling routine.

     * Plugin calls this when it wishes to update data on the widget

     * @param aEmailData reference to email data provided by the plugin

     */

    virtual void EmailObserverEvent( MEmailData& aEmailData ) = 0;

};

} // namespace

#endif // MEMAILOBSERVERLISTENER_H