/*

* 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:  Open meeting request command definition

*

*/

#ifndef CESMRICALVIEWEROPENMRCMD_H

#define CESMRICALVIEWEROPENMRCMD_H

#include "cesmricalviewerasynccommand.h"

#include "tesmrinputparams.h"

//<cmail>

#include "mesmricalviewerobserver.h"

#include "mesmricalviewercallback.h"

//</cmail>

#include <MAgnEntryUi.h>

class CESMRUiLauncher;

class CFSMailClient;

class CESMRIcalViewerLoadMRDataCmd;

class MESMRIcalViewerCommand;

class CMRAttachmentInfoFetcher;

/**

 * Command for opening meeting request

 */

NONSHARABLE_CLASS( CESMRIcalViewerOpenMRCmd ) :

    public CESMRIcalViewerAsyncCommand,

    public MESMRIcalViewerObserver,

    public MAgnEntryUiCallback

    {

public: // Construction and destruction

    /**

     *  Creates and initializes new CESMRIcalViewerOpenMRCmd object.

     * @param aCallback Reference to ESMRIcalViewer callback.

     * @param aMailClient Reference to mail client object.

     * @param aCalSession Reference to calendar db session.

     */

    static CESMRIcalViewerOpenMRCmd* NewL(

            MESMRIcalViewerCallback& aCallback,

            CFSMailClient& aMailClient,

            CCalSession& aCalSession );

    /**

     * C++ destructor.

     */

    ~CESMRIcalViewerOpenMRCmd();

public: // From MESMRIcalViewerAsyncCommand

    void ExecuteAsyncCommandL();

    void CancelAsyncCommand();

public: // From MESMRIcalViewerObserver

    void OperationCompleted(

             MESMRIcalViewerObserver::TIcalViewerOperationResult aResult );

    void OperationError(

            MESMRIcalViewerObserver::TIcalViewerOperationResult aResult );

public: // From MAgnEntryUiCallback

    void ProcessCommandL(TInt aCommandId);

    TInt ProcessCommandWithResultL( TInt aCommandId );

    TBool IsCommandAvailable( TInt aCommandId );

private: // Implementation

    CESMRIcalViewerOpenMRCmd(

            MESMRIcalViewerCallback& aCallback,

            CFSMailClient& aMailClient,

            CCalSession& aCalSession );

    void ConstructL();

    void HandleOperationCompeletedL(

            MESMRIcalViewerObserver::TIcalViewerOperationResult aResult );

    void HandleError( TInt aError );

    void LaunchUIL();

    void FillAttachmentInfoL();

private: // Data

    /// Ref: Reference to ESMRICalViewer callback

    MESMRIcalViewerCallback& iCallback;

    /// Own: Input parameters

    TESMRInputParams iInputParameters;

    /// Ref: Reference to FS Email mail client object

    CFSMailClient& iMailClient;

    /// Own: Load MR Data command

    CESMRIcalViewerLoadMRDataCmd* iLoadMRDataCmd;

    /// Own: Attachment information fetcher

    CMRAttachmentInfoFetcher* iAttachmentInfoFetcher;

    /// Own: UI launcher

    CESMRUiLauncher* iUILauncher;

    /// Own: Operation result

    MESMRIcalViewerObserver::TIcalViewerOperationResult iResult;

    /// Own: Current callback command

    TESMRIcalViewerOperationType iCurrentCbCommand;

    /// Own: Asynchronous email command

    MESMRIcalViewerCommand* iEmailCommand;

    /// Own: Command received via callback

    TInt iMRViewerCommand;

    };

#endif // CESMRICALVIEWEROPENMRCMD_H

// EOF