/*

* Copyright (c) 2007-2009 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:  ESMR imap calendar entry retriever definition

*

*/

#ifndef CESMRICALVIEWERCOMMANDBASE_H

#define CESMRICALVIEWERCOMMANDBASE_H

#include <e32base.h>

//<cmail>

#include "mesmricalviewerobserver.h"

#include "esmricalvieweropcodes.hrh"

//</cmail>

#include "mesmricalviewercommand.h"

class CCalSession;

class CFSMailMessage;

/**

 * CESMRIcalViewerCommandBase is concrete command base class for

 * esmricalviewer command.

 */

NONSHARABLE_CLASS( CESMRIcalViewerCommandBase ) :

        public CBase,

        public MESMRIcalViewerCommand

    {

public:

    /**

     * C++ destructor

     */

    virtual ~CESMRIcalViewerCommandBase();

public: // From MESMRIcalViewerCommand

    TESMRIcalViewerOperationType OperationType() const;

protected: // Implementation

    /**

     * Base class constructor.

     * @param aType Operation type

     * @param aCalSession reference to calendar session

     */

    CESMRIcalViewerCommandBase(

            TESMRIcalViewerOperationType aType,

            CCalSession& aCalSession );

    /**

     *  Base class 2nd phase constructor.

     */

    void BaseConstructL();

    /**

     * Fetches reference to calendar session

     */

    CCalSession& CalSession();

    /**

     * Sets command observer.

     * @param aObserver Pointer to command observer.

     */

    void SetObserver(

            MESMRIcalViewerObserver* aObserver );

    /**

     * Fetches command observer.

     * @return Command observer.

     */

    MESMRIcalViewerObserver* Observer();

    /**

     * Sets mail message.

     * @param aMessage Pointer to message.

     */

    void SetMessage(

            CFSMailMessage* aMessage );

    /**

     * Fetches message pointer.

     * @return message pointer.

     */

    CFSMailMessage* Message();

private: // data

    /// Own. Operation type

    TESMRIcalViewerOperationType iOperationType;

    /// Ref. Calendar session

    CCalSession& iCalSession;

    /// Ref: Command observer.

    MESMRIcalViewerObserver* iObserver;

    /// Ref: Message to be handled

    CFSMailMessage* iMessage;

    };

#endif // CESMRICALVIEWERCOMMANDBASE_H

// EOF