/*

* 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 Email Observer Plugin API.

*

*/

#ifndef EMAILOBSERVERPLUGIN_H

#define EMAILOBSERVERPLUGIN_H

// System includes

#include <ecom/ecom.h>

namespace EmailInterface {

// Forward declarations

class MEmailObserverListener;

class MEmailData;

/**

 *  Class that client of this interface user instantiates

 */

class CEmailObserverPlugin : public CBase

    {

public:

    /**

     * Contructor

     * @param aImplUid implementation identifier used by the ECOM framework

     * @param aListener callback interface provided by the client/instantiator.

     *        Plugin should call this when it wants the widget data to be updated

     * @return plugin instance

     */

    inline static CEmailObserverPlugin* NewL(

        TUid aImplUid,

        MEmailObserverListener* aListener );

    /** destructor */

    inline virtual ~CEmailObserverPlugin();

    /**

     * Accessor for data that needs to be published

     * Plugin must implement this.

     * When client calls this, plugin must ensure that all necessary data is accessible/updated

     * @return interface to email data

     */

    virtual MEmailData& EmailDataL() = 0;

private:

    /**

     * Unique instance identifier key

     */

    TUid iDtor_ID_Key;

    };

// Inline functions

#include "emailobserverplugin.inl"

} // namespace

#endif // EMAILOBSERVERPLUGIN_H