/*

* 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:  Responsing to meeting request asynchronously

*

*/

#ifndef CESMRICALVIEWERRESPONSETOMRCMD_H

#define CESMRICALVIEWERRESPONSETOMRCMD_H

#include "cesmricalviewerasynccommand.h"

#include "tesmrinputparams.h"

//<cmail>

#include "mesmricalviewerobserver.h"

#include "mesmricalviewercallback.h"

#include "esmricalviewerdefs.hrh"

//</cmail>

class CFSMailClient;

class CESMRUiLauncher;

/**

 * Command for responding to meeting request asynchronously

 * Command completion is reported to caller via MESMRIcalViewerObserver

 * interface.

 */

NONSHARABLE_CLASS( CESMRIcalViewerResponseToMRCmd ) :

    public CESMRIcalViewerAsyncCommand,

    public MESMRIcalViewerObserver,

    public MAgnEntryUiCallback

    {

public: // Construction and destruction

    /**

     * Creates and initializes new CESMRIcalViewerResponseToMRCmd command.

     * @param aCallback callback interface to MESMRIcalViewerCallback

     * @param aCalSession Reference to calendar session.

     * @param aMailClient Reference to FS Email mail client object

     * @param aAttendeeStatus status of meeting request participant

     */

    static CESMRIcalViewerResponseToMRCmd* NewL(

            MESMRIcalViewerCallback& aCallback,

            CCalSession& aCalSession,

            CFSMailClient& aMailClient,

            TESMRAttendeeStatus aAttendeeStatus );

    /**

     * C++ Destructor

     */

    ~CESMRIcalViewerResponseToMRCmd();

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: // From MESMRIcalViewerAsyncCommand

    void ExecuteAsyncCommandL();

    void CancelAsyncCommand();

private: // Implementation

    CESMRIcalViewerResponseToMRCmd(

            MESMRIcalViewerCallback& aCallback,

            CCalSession& aCalSession,

            CFSMailClient& aMailClient,

            TESMRAttendeeStatus aAttendeeStatus );

    void ConstructL();

    void LaunchUiL();

    void HandleOperationCompletedL(

            MESMRIcalViewerObserver::TIcalViewerOperationResult aResult );

private: // Data

    /// Ref: Reference to ESMRIcalviewer callback

    MESMRIcalViewerCallback& iCallback;

    /// Ref: Reference to input parameters

    TESMRInputParams iESMRInputParams;

    /// Ref: Reference to mail client

    CFSMailClient& iMailClient;

    /// Own: MR retriever command

    RPointerArray< MESMRIcalViewerCommand > iMRRetrieverCommands;

    /// Own: Current command index

    TInt iCurrentCommand;

    /// Own: Attendee status

    TESMRAttendeeStatus iAttendeeStatus;

    /// Own: Current callback command

    TESMRIcalViewerOperationType iCurrentCbCommand;

    /// Own: Asynchronous email command

    MESMRIcalViewerCommand* iEmailCommand;

    /// Own: Command received via callback

    TInt iMRViewerCommand;

    /// Own: UI launcher

    CESMRUiLauncher* iUILauncher;

    };

#endif

// EOF