wvuing/wvuiada/Src/CCAImpsImClient.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Thu, 17 Dec 2009 08:41:52 +0200
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/*
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* Copyright (c) 2005 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:  Implements instant messaging services interface.
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 *
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*/
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#ifndef CCAIMPSIMCLIENT_H
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#define CCAIMPSIMCLIENT_H
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//  INCLUDES
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#include "MCAImpsImClient.h"
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// FORWARD DECLARATIONS
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class RImpsEng;
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// CLASS DECLARATION
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/**
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 *  Implements MCAImpsImClient.
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 *  Forwards requests to RImpsImClient
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 *
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 *  @lib CAAdapter.dll
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 *  @since 1.2
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 */
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class CCAImpsImClient : public CBase, public MCAImpsImClient
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    {
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    public:  // Constructors and destructor
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        /**
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         * Two-phased constructor.
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         * @param aImpsEng Reference to RImpsEng.
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         */
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        static CCAImpsImClient* NewL( RImpsEng& aImpsEng );
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        /**
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         * Destructor.
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         */
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        ~CCAImpsImClient();
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    public: // Functions from base classes
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        /**
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         * @see RImpsImClient2
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         */
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        void RegisterL(
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            MImpsImHandler2* aImpsObserver,
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            MImpsBlockingHandler2* aBlockingHandler,
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            TUid aApplicationId,
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            TInt aPriority = 0 );
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        /**
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         * @see RImpsImClient2
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         */
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        void Unregister();
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        // MESSAGING
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        /**
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         * @see RImpsImClient2
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         */
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        // This is an adapter to IMPS Engine API, we cannot
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        // influence the const descriptor pointer parameter passing
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        // in the API.
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        TInt SendTextMessageL(  const TDesC* aSenderSn, // CSI: 17 # See description
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                                const MDesCArray* aUserIds,
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                                const TDesC* aGroupId, // CSI: 17 # See description
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                                const MDesCArray* aScreenNames,
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                                const TDesC& aContent,
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                                TBool aDeliveryReportWanted );
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        /**
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         * @see RImpsImClient2
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         */
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        // This is an adapter to IMPS Engine API, we cannot
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        // influence the const descriptor pointer parameter passing
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        // in the API.
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        TInt SendContentMessageL( const TDesC* aSenderSn, // CSI: 17 # See description
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                                  const MDesCArray* aUserIds,
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                                  const TDesC* aGroupId, // CSI: 17 # See description
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                                  const MDesCArray* aScreenNames,
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                                  const TDesC& aContentType,
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                                  const TDesC8& aContent,
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                                  TBool aDeliveryReportWanted );
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        /**
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         * @see RImpsImClient2
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         */
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        TInt BlockEntityRequestL( const CDesCArray* aBlockEntity,
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                                  const CDesCArray* aUnBlockEntity,
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                                  TBool aBlockedListInUse,
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                                  const CDesCArray* aGrantedEntityList,
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                                  const CDesCArray* aUnGrantEntity,
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                                  TBool aGrantedListInUse );
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        /**
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         * @see RImpsImClient2
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         */
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        TInt GetBlockedListRequestL();
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        /**
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         * Register an error event observer.
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         * If this is not registered then a client does not
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         * receive error events from WV engine.
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         * An application may implement only one HandleErrorL method
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         * and give pointer to it in each WV client instance.
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         * @since 1.2
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         * @param aObs error event observer
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         */
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        void RegisterErrorObserverL( MImpsErrorHandler2 &aObs );
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        /**
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         * Registers the service status change observer.
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         * This can be called any time
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         * @since 1.2
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         * @param aObs status observer implementation. Ownership NOT transferred.
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         */
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        void RegisterStatusObserverL( MImpsStatusHandler2* aObs );
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        /**
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         * Unregisters an error observer.
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         * Forwards the call to WV Engine always
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         * This method is not necessary if unregister of the particular
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         * client has been executed (Unregister).
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         * @since 1.2
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         */
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        void UnregisterErrorObserverL();
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        /**
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         * Get the maximum TransactionContent size that WV engine
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         * and WV server can handle, related to ParserSize.
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         * Note that if service negotiation is not finished, this
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         * method returns 0.
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         *
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         * @since 3.0
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         * @return size or zero
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         */
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        TInt MaxTransactionContentLengthL( );
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        /**
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         * Unregisters the service status change observer.
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         * Forwards the call to WV Engine always
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         * This method is not necessary if unregister of the particular
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         * client type has been executed (Unregister).
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         * @since 1.2
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         */
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        void UnregisterStatusObserverL();
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        /**
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         * Internal use only.
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         * Error observer accessor
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         * @since 1.2
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         * @return error observer pointer. Ownership NOT transferred.
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         */
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        MImpsErrorHandler2* ErrorHandler() const;
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        /**
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         * Internal use only.
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         * Status observer accessor. This is missing from WV Engine.
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         * Introduced for consistency.
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         * @since 1.2
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         * @return Status observer pointer. Ownership NOT transferred.
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         */
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        MImpsStatusHandler2* StatusHandler() const;
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        /**
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         * Available services accessor
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         * Notice that there are no services in NOT_LOGGED state, i.e.
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         * before login has been executed successfully from any client.
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         * @param aServices Service tree having all supported features
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         *        and functions.
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         * @since 1.2
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         */
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        void GetServicesL( TImpsServices& aServices );
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        /**
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         * Used to get the interface. Visible because we need
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         * to force lazy initialization (i.e. CCAImpsImClient
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         * needs to do non-lazy init actually).
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         * @see MCAImpsImClient.h
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         */
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        RImpsImClient2* InterfaceL();
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    private:
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        /**
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         * C++ default constructor.
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         * @param aImpsEng Reference to RImpsEng.
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         */
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        CCAImpsImClient( RImpsEng& aImpsEng );
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    private:    // Data
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        // WV Engine IM interface.
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        RImpsImClient2 iClient;
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        // Indicator if we are doing lazy initialization with WV Engine.
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        TBool iLazyInitialization;
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        // Indicator if we have registered WV Engine interface.
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        TBool iRegistered;
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        // Store priority if we are doing lazy initialization.
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        TInt iPriority;
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        // Store application id if we are doing lazy initialization.
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        TUid iApplicationId;
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        // IM observer, stored in lazy initialization. Doens't own.
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        MImpsImHandler2* iImHandler;
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        // Blocking observer, stored in lazy initialization. Doens't own.
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        MImpsBlockingHandler2* iBlockingHandler;
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        // Status observer, stored in lazy initialization. Doens't own.
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        MImpsStatusHandler2* iStatusHandler;
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        // Error observer, stored in lazy initialization. Doens't own.
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        MImpsErrorHandler2* iErrorHandler;
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        // Reference to IMPS engine server session instance.
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        RImpsEng& iImpsEng;
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    };
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#endif      // MCAIMPSIMCLIENT_H
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// End of File