/*

* Copyright (c) 2002-2009 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:  Message handler

*

*/

#ifndef CNWMESSAGEHANDLER_H 

#define CNWMESSAGEHANDLER_H 

//  INCLUDES

#include "NWHandlingEngine.h"

#include "CNWSession.h"

#include <mmtsy_names.h>

#include <etel.h>

#include <rmmcustomapi.h>

#include <etelmm.h>

// CONSTANTS

// Max length of network provider name.

const TInt KNWSubscriberIdLength = 15;

// Max value of the SubscriberIdCounter.

const TInt KMaxSubscriberIdRequests = 10;

// DATA TYPES

// Subscriber identity

typedef TBuf<KNWSubscriberIdLength> TNWSubscriberId;

// CLASS DECLARATION

//Internal Network info definition

struct TNWInterInfo

    {

    TUint iCellId;                                       // Cell Id

    TUint iLac;                                          // Location area code

    TNWSubscriberId iSubscriberId;                       // Subscriber identity

    TBool iAreaKnown;                                    // Location Area known used for CELL_DCH mode

    };

// FORWARD DECLARATIONS

class CNWNetworkMonitorBase;

class CNWNetworkCurrentNetworkMonitor;

class CNWNetworkModeMonitor;

class CNWNetworkRegistrationStatusMonitor;

class CNWProgrammableOperatorNameCommand;

class CNWServiceProviderNameCommand;

class CNWNetworkProviderNameCommand;

class CNWSubscriberIdCommand;

class RMmCustomAPI;

// CLASS DECLARATION

/**

*  Handles network related messages.

*

*  @lib networkhandling.dll

*  @since Series 60_2.8

*/

class CNWMessageHandler : public CBase

    {

    public:  // Destructor

        /**

        * Destructor.

        */

        IMPORT_C virtual ~CNWMessageHandler();

    public: // New functions

        /**

        * Reroutes messages to the client

        * @param aMessage is the message id

        */

        IMPORT_C virtual void SendMessage( 

                MNWMessageObserver::TNWMessages aMessage );

        #ifdef TEF_LOGGING_ENABLED

        /**

        * Help function for logging.

        * @param aMessage MNWMessageObserver::TNWMessages aMessage 

        * @return message name, given the id of message.

        */

        TPtrC GetNameByMessage( MNWMessageObserver::TNWMessages aMessage ) const;

        #endif

        /**

        * Handle Subscribe ID change

        */

        virtual void HandleSubscriberIdChange();

        /**

        * Reroutes error messages to the client

        * @param aOperation is failed operation

        * @param aErrorCode is returned Symbion OS Error Code

        */

        IMPORT_C void SendErrorMessage( 

                MNWMessageObserver::TNWOperation aOperation, 

                TInt aErrorCode );

        /**

        * Update Operator name reading status

        */

        virtual void HandleUpdateReadingStatus(  

                const TNWRead& aElementFile, TBool aReadStatus );

    protected:

        /**

        * C++ default constructor.

        */

        IMPORT_C CNWMessageHandler( CNWSession& aNetworkData, 

                                    MNWMessageObserver& aMessageObserver,

                                    TNWInfo& aNWInfo );

        /**

        * Initializes base class member variables

        */

        void BaseConstructL();

    protected:  // Data

        // Array holding network monitors.

        RPointerArray<class CNWNetworkMonitorBase>  iMonitorContainer;

        //Pointer to the CNWNetworkProviderNameCommand object

        CNWNetworkProviderNameCommand*      iNetworkProviderNameCommand;

        //Pointer to the CNWSubscriberIdCommandCommand object

        CNWSubscriberIdCommand*             iSubscriberIdCommand;

        //Pointer to the CNWProgrammableOperatorNameCommand object

        CNWProgrammableOperatorNameCommand* iProgrammableOperatorNameCommand;

        //Pointer to the CNWServiceProviderNameHandler object

        CNWServiceProviderNameCommand*      iServiceProviderNameCommand;

        // Tells if phone is registered to network

        TBool                       iIsRegistered;

        // CNWSession object which handles network related commands

        CNWSession&   iNetworkData;

        //Reference to MNWMessageObserver

        MNWMessageObserver&         iMessageObserver;

        // Reference to the client's network info struct

        TNWInfo&                    iNetworkInfo;

        // ETel server connection

        RTelServer                  iServer;

        // ETel phone connection

        RMobilePhone                iPhone;

        //Custom API object

        RMmCustomAPI                iCustomAPI;

        // Pointer to the internal network info structure.

        TNWInterInfo                iInterNetworkInfo;

        // Previous network status

        TNWStatus iPreviousStatus;

    };

#endif      // CNWMessageHandler_H   

// End of File