/*+
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* Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies). +
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* All rights reserved.+
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* This component and the accompanying materials are made available+
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* under the terms of "Eclipse Public License v1.0"+
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* which accompanies this distribution, and is available+
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".+
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*+
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* Initial Contributors:+
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* Nokia Corporation - initial contribution.+
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*+
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* Contributors:+
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*+
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* Description:  ESMR imap email fetcher definition+
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*+
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*/+
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+
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+
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#ifndef CESMRIMAPMAILFETCHER_H+
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#define CESMRIMAPMAILFETCHER_H+
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+
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#include <e32base.h>+
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//<cmail>+
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#include "MFSMailRequestObserver.h"+
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#include "mesmricalviewerobserver.h"+
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//</cmail>+
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#include "cesmricalviewerasynccommand.h"+
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+
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class CFSMailMessage;+
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class CFSMailClient;+
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+
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/**+
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 * CESMRImapMailFetcher is responsible for receiving imap mail+
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 * to device.+
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 */+
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NONSHARABLE_CLASS( CESMRImapMailFetcherCmd ) :+
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        public CESMRIcalViewerAsyncCommand,+
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        public MFSMailRequestObserver+
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    {+
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public: // Construction and destruction+
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    /**+
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     * Creates and initializes new CESMRImapMailFetcher object. Ownership+
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     * is transferred to caller.+
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     * @param aMailClient Reference to mail client+
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     * @param aCalSession Reference to calendar session+
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     * @return Pointer to CESMRImapMailFetcher object.+
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     */+
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    static CESMRImapMailFetcherCmd* NewL(+
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            CFSMailClient& aMailClient,+
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            CCalSession& aCalSession );+
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+
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    /**+
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     * C++ destructor.+
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     */+
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    ~CESMRImapMailFetcherCmd();+
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+
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public: // From MFSMailRequestObserver+
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    void RequestResponseL(+
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            TFSProgress aEvent,+
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            TInt aRequestId );+
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+
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private: // From MESMRIcalViewerAsyncCommand+
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    void ExecuteAsyncCommandL();+
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    void CancelAsyncCommand();+
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+
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private: // Implementation+
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    CESMRImapMailFetcherCmd(+
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            CFSMailClient& aMailClient,+
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            CCalSession& aCalSession );+
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    void ConstructL();+
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    void FetchMessageStructureL();+
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    TBool FetchMessageContentsL();+
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    void HandleRequestResponseL(+
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            TFSProgress aEvent,+
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            TInt aRequestId );+
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    void NotifyCompletion();+
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+
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private:+
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    /** Enumeration for object internal state */+
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    enum TESMRImapMailFetcherState+
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        {+
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        // Idle+
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        EIdle,+
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        // Fetching message structure+
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        EFetchingStructure,+
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        // Fetching message contents+
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        EFetchingContents+
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        };+
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+
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private: // Data+
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    /// Own: Fetch operation request id+
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    TInt iStructureRequestId;+
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    /// Own: Fetch operation request id+
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    TInt iMessagePartRequestId;+
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    // Own: Current state+
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    TESMRImapMailFetcherState iState;+
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    /// Ref: Reference to mail client object+
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    CFSMailClient& iMailClient;+
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    /// Ref: Reference to messageobject+
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    CFSMailMessage* iMailMessage;+
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    /// Own: Operation result+
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    MESMRIcalViewerObserver::TIcalViewerOperationResult iResult;+
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    };+
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+
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#endif // CESMRIMAPMAILFETCHER_H+
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+
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// EOF+
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