/*

* 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 CESMRIMAPICALRETRIEVER_H

#define CESMRIMAPICALRETRIEVER_H

#include <e32base.h>

//<cmail>

#include "mesmragnimportobserver.h"

//</cmail>

#include "cesmricalviewerasynccommand.h"

class CFSMailClient;

class CCalEntry;

class CESMRAgnExternalInterface;

class CFSMailMessagePart;

class CESMRImapMailFetcherCmd;

class TESMRInputParams;

class CESMRAttachmentInfo;

/**

 * CESMRImapIcalRetriever is responsible for parsing iCal information

 * from email message and importing it to calendar entry.

 */

NONSHARABLE_CLASS( CESMRImapIcalRetrieverCmd ) :

        public CESMRIcalViewerAsyncCommand,

        public MESMRAgnImportObserver,

        public MESMRIcalViewerObserver

    {

public: // Construction and destruction

    /**

     * Creates and initializes new CESMRInfoIcalRetriever object. Ownership

     * is transferred to caller.

     * @param aCalSession Reference to calendar database session.

     * @param aMailClient Reference to mail client.

     * @param aInputParametes Reference to input parameter structure.

     * @return Pointer to CESMRInfoIcalRetriever object.

     */

    static CESMRImapIcalRetrieverCmd* NewL(

            CCalSession& aCalSession,

            CFSMailClient& aMailClient,

            TESMRInputParams& aInputParameters );

    /**

     * C++ destructor.

     */

    ~CESMRImapIcalRetrieverCmd();

public: // From MESMRIcalViewerAsyncCommand

    void ExecuteAsyncCommandL();

    void CancelAsyncCommand();

public: // From MAgnImportObserver

    MESMRAgnImportObserver::TImpResponse AgnImportErrorL(

            MESMRAgnImportObserver::TImpError aType,

            const TDesC8& aUid,

            const TDesC& aContext);

public: // From MESMRAgnImportObserver

    void OperationCompleted(

            MESMRIcalViewerObserver::TIcalViewerOperationResult aResult );

    void OperationError(

            MESMRIcalViewerObserver::TIcalViewerOperationResult aResult );

private: // Implementation

    CESMRImapIcalRetrieverCmd(

            CCalSession& aCalSession,

            CFSMailClient& aMailClient,

            TESMRInputParams& aInputParameters );

    void ConstructL();

    void CreateEntryL(

            CFSMailMessagePart& aMessagePart,

            CFSMailMessage& aMsg);

    void CheckAttachmentDataL(

            CFSMailMessage& message );

    void HandleMailContentL();

private: // Data

    /// Own: Calendar entry object

    CCalEntry* iConvertedEntry;

    /// Own: ICal importer object

    CESMRAgnExternalInterface* iCalImporter;

    /// Own: Mail fetcher

    CESMRImapMailFetcherCmd* iMailFetcher;

    /// Ref: Reference to mail client object

    CFSMailClient& iMailClient;

    /// Ref: Reference to input parameter structure

    TESMRInputParams& iInputParameters;

    /// Own: Command result

    MESMRIcalViewerObserver::TIcalViewerOperationResult iResult;

    /// Own: ICS filename

    HBufC* iIcsFilename;

    /// Own: Calendar part message id

    TFSMailMsgId iCalendarPartId;

    /// Own

    CESMRAttachmentInfo* iAttachmentInfo;

    };

#endif // CESMRIMAPICALRETRIEVER_H

// EOF