/*

* Copyright (c)  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 definition for esmricalviewer command

*

*/

#ifndef MESMRICALVIEWERCOMMAND_H

#define MESMRICALVIEWERCOMMAND_H

//<cmail>

#include "esmricalvieweropcodes.hrh"

//</cmail>

class CFSMailMessage;

class MESMRIcalViewerObserver;

/**

 *  MESMRIcalViewerCommand defines the interface for smricalviewer commands.

 */

class MESMRIcalViewerCommand

    {

public: // Destruction

    /**

     * Virtual destructor

     */

    virtual ~MESMRIcalViewerCommand() {}

public: // Interface

    /**

     * Returns command operation type

     */

    virtual TESMRIcalViewerOperationType OperationType() const = 0;

    /**

     *  Executes the command. Leaves with system wide error code on error.

     */

    virtual void ExecuteCommandL(

            CFSMailMessage& aMessage,

            MESMRIcalViewerObserver& aObserver ) = 0;

    /**

     * Cancel command execution.

     */

    virtual void CancelCommand() = 0;

    };

#endif // MESMRICALVIEWERCOMMAND_H

// EOF