/*

* Copyright (c) 2004 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:   Defines concrete non-CDMA class CNcnModel.

*

*/

#ifndef NCNMODEL_H

#define NCNMODEL_H

// INCLUDES

#include    "NcnModelBase.h"

#include    "MNcnUI.h"

#include    "MNcnNotifier.h"

#include	<msatrefreshobserver.h>

// CLASS DECLARATION

class RSatSession;

class RSatRefresh;

/**

*  The main Ncn subsystem class

*/

class CNcnModel : public CNcnModelBase, public MSatRefreshObserver

    {

    public:  // Constructors and destructor

        /**

        * Two-phased constructor.

        */

        static CNcnModelBase* NewL();

        /**

        * Destructor.

        */

        virtual ~CNcnModel();

    private:

        /**

        * C++ default constructor.

        */

        CNcnModel();

        /**

        * By default Symbian OS constructor is private.

        */

        void ConstructL();

    private: //From base class

        /**

        * Create Central repository connection

        * @since Series60 3.0

        */

        void CreateCRConnectionL();     

    public: // From base class

        /**

        * From CNcnModelBase. Sim changed status is given by this method

        * @since Series60 2.6

        */

        void SetSimChanged( const TBool aSimChanged );

        /**

        * From CNcnModelBase. Sets the current SMS initialisation phase.

        * @since Series60 2.6

        */

        void SetSmsInitialisationState( const TInt aSmsInitialisationPhase );

        /**

        * From CNcnModelBase. This method performs the SMSC fetching operation.

        * @since Series60 2.6

        */

        void PerformSimServiceCentreFetching();

        /**

        * From CNcnModelBase. This method forces the SMSC fetching operation.

        * @since Series60 2.6

        */

        void ForceToPerformSimServiceCentreFetching();

        /**

        * From CNcnModelBase. This method checks if the SMSC fetching is needed

        * @since Series60 2.6

        */

        void CheckIfSimSCOperationRequired();

    public: //From MSatRefreshObserver

        /**

        * Refresh query. Client should determine whether it allow the

        * refresh to happen. In this method the client should not close or

        * cancel the RSatRefresh subsession.

        * @since 3.0

        * @param aType Refresh type.

        * @param aFiles Elementary files which are to be changed. 

        * May be zero length. 

        * @return ETrue to allow refresh, EFalse to decline refresh.

        */

        TBool AllowRefresh( TSatRefreshType aType, const TSatRefreshFiles& aFiles );

         /**

        * Notification of refresh. In this method the client should not close 

        * or cancel the RSatRefresh subsession.

        * @since 3.0

        * @param aType Type of refresh which has happened.

        * @param aFiles List of elementary files which has been changed. 

        * May be zero length.

        */

        void Refresh( TSatRefreshType aType, const TSatRefreshFiles& aFiles );

    private: // Data

        /**

         * Enumeration for SMS initialisation phases.

         */

        enum TSMSInitialisationPhase

            {

            ESMSInitNone = 0,

            ESMSInitInProgress = 1,

            ESMSInitComplete = 2,

            ESMSInitReadServiceCentre = 3            

            };

       	// Sat session connection.

		RSatSession* iSatSession;

		// Sat refresh connection

		RSatRefresh* iSatRefresh;

    };

#endif      // NCNMODEL_H

// End of File