/*

* Copyright (c) 2005-2009 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: Interface for receiving ConnMon events in MPM.

*

*/

/**

@file mpmconnmonevents.h

Interface for receiving ConnMon events in MPM.

*/

#ifndef MPMCONNMONEVENTS_H

#define MPMCONNMONEVENTS_H

//  INCLUDES

#include <e32base.h>

#include <rconnmon.h>

#ifndef SYMBIAN_ENABLE_SPLIT_HEADERS

#include <commsdat.h>

#else

#include <commsdat.h>

#include <commsdat_partner.h>

#endif

#include <NIFVAR.H>

#include "mpmserver.h"

// FORWARD DECLARATIONS

class CMPMConnMonReqs;

class CWlanAvailability;

class MWlanAvailability;

// CONSTANTS

// CLASS DECLARATION

/**

*  TConnInfo

*  Record for connection information storage

*  @lib MPMServer.exe

*  @since 3.1

*/

class TConnInfo

    { 

    public: // Constructors and destructor

        /**

        * Constructor.

        */

        TConnInfo();

    public: // Data

        // Connection Id

        TUint iConnId;

        // IAP Id

        TUint32 iIapId;

        // Presumed IAP Id which connection thinks it's using. 

        // The actual IAP Id ( iIapId ) maybe different because 

        // of SSID sharing or PDP context management.  

        TUint32 iPresumedIapId;

        // Network Id

        TUint32 iNetId;

        // Access point name

        TBuf<CommsDat::KMaxMedTextLength> iAPN;

        // SSID of WLAN

        TWlanSsid iSSID;

        // Connection type

        TConnectionType iConnType; 

    };

// CLASS DECLARATION

/**

*  MPM ConnMon interface class definition.

*

*  @lib MPMServer.exe

*  @since 3.0

*/

class CMPMConnMonEvents : public CBase, public MConnectionMonitorObserver

    {

    public:    // Constructors and destructor

        /**

        * Two-phased constructor.

        */

        static CMPMConnMonEvents* NewL( CMPMServer& aServer, 

                                        CMPMServerSession& aSession );

        /**

        * Destructor.

        */

        virtual ~CMPMConnMonEvents();

    public: // New methods

        /**

        * Remove pointer from the array.

        * @since 3.1

        * @param aReq

        */                

        void RemoveReqPtr( const CMPMConnMonReqs* aReq );

        /**

        * Appending connection info.

        * @since 3.2

        * @param aConnId Connection Id.

        */                

        void AppendConnInfo( const TUint& aConnId );

        /**

        * Removing connection info.

        * @since 3.2

        * @param aConnId Connection Id.

        */                

        void RemoveConnInfo( const TUint& aConnId );

        /**

        * Setting connection info.

        * @since 3.2

        * @param aConnId Connection Id

        * @param aIapId IAP Id

        * @param aPresumedIapId The IAP Id that application presumes to use

        * @param aNetId Network Id

        * @param aAPN Access Point Name

        */                

        void SetConnInfo( const TUint& aConnId, 

                          const TUint& aIapId, 

                          const TUint& aPresumedIapId, 

                          const TUint& aNetId, 

                          const TDesC& aAPN );

        /**

        * Setting connection info in case of SSID, 

        * in other words WLAN IAP.

        * @since 3.2

        * @param aConnId Connection Id

        * @param aIapId IAP id

        * @param aPresumedIapId The IAP Id that application presumes to use

        * @param aNetId Network id

        * @param aSSID the id of selected wlan network

        */

        void SetConnInfo( const TUint&      aConnId, 

                          const TUint&      aIapId, 

                          const TUint&      aPresumedIapId, 

                          const TUint&      aNetId, 

                          const TWlanSsid&   aSSID );

        /**

        * Setting SSID for certain iap

        * @since 3.2

        * @param aIapId IAP id

        * @param aSSID the id of selected wlan network

        */

        void SetConnInfoIapSsid( const TUint&       aIapId, 

                                 const TWlanSsid&    aSSID  );

        /**

        * Reset connection info.

        * @since 3.2

        * @param aConnId Connection Id

        */

        void ResetConnInfo( const TUint& aConnId );

        /**

        * Reset connection info for all connections using given IAP.

        * @since 3.2

        * @param aIapId IAP id

        */

        void ResetIapConnInfo( const TUint32 aIapId );

        /**

        * Getting IDs of available IAPs.

        * @since 3.1

        * @return IDs of available IAPs 

        */                                              

        const TConnMonIapInfo& GetAvailableIAPs();

        /**

        * Setting IDs of available IAPs.

        * @since 3.1

        * @param aAvailableIAPs IDs of available IAPs

        */                                              

        void SetAvailableIAPs( const TConnMonIapInfo& aAvailableIAPs );

        /**

        * Find if connection to APN already exists

        * @since 3.1

        * @param aDes APN to be checked

        * @param aIapId On return contains the changed IAP Id

        * @param aNetId On return contains the changed Network Id

        */        

        void FindAPN( const TDesC& aDes, TUint32& aIapId, TUint32& aNetId );

        /**

        * Find if connection to SSID already exists

        * @since 3.2

        * @param aSSID the id of selected wlan network

        * @param aIapId On return contains the changed IAP Id

        * @param aNetId On return contains the changed Network Id

        */        

        void FindSSID( const TWlanSsid&  aSSID, 

                       TUint32&         aIapId, 

                       TUint32&         aNetId );

        /**

        * Checks if there is active WLAN connection.

        * @since 3.2

        * @param aSSID the id of active wlan network

        * @param aIapId the IAP Id of active wlan network

        */        

        TBool ActiveWlanConnection( TWlanSsid&  aSSID, 

                                    TUint32&    aIapId );

        /**

        * Starts WLANNetworks request towards Connection monitor.

        * @since 3.2

        * @param aSession MPM server session requesting the wlan scan, Null if none.

        * @param aId ConnectionId.

        * @param aCallback Callback type to use after WLAN scan completed

        * @param aForceRefreshIntervalSeconds if the last interval is executed withing this time

        * the scan is not executed. 0 to do available iap query always.  

        */

        void ScanWLANNetworksL( CMPMServerSession* aSession,

                                const TConnectionId& aId,

                                TWlanScanCallback aCallback,

                                TInt aForceRefreshIntervalSeconds = 0 );

        /**

        * Cancels WLANNetworks request towards Connection monitor.

        * @param aSession Pointer to session

        * @since 3.1

        */

        void CancelScanL( CMPMServerSession& aSession );

        /**

        * Gets the presumed Iap Id of Connection Id.

        * @since 3.2

        * @param aConnId Connection Id

        * @param aIapId IAP id

        */

        TUint32 PresumedIapId( const TUint& aConnId, 

                               const TUint& aIapId );

        /**

        * Updates the internal IAP refresh time stamp.

        * @since 3.2

        */

        void UpdateIAPRefreshTime();

        /**

        * Gets the internal IAP refresh time stamp.

        * @since 3.2

        * @return TTime latest refresh time

        */

        TTime& GetIAPRefreshTime();

        /**

        * Sets connection count.

        * @since 3.2

        * @param aValue Connection count value.

        */

        void SetConnectionCounter( const TUint aValue ); 

        /**

        * Enables discarding availability notifications from Connection Monitor.

        * @since 3.2

        */

        inline void EnableDiscarding(); 

        /**

        * Disables discarding availability notifications from Connection Monitor.

        * @since 3.2

        */

        inline void DisableDiscarding(); 

        /**

        * Returns the setting for discarding availability notifications. 

        * @since 3.2

        * @return ETrue if availability notifications are discarded. 

        */

        inline TBool DiscardAvailabilityNotification(); 

        /**

         * Creates preferred carrier available notification when needed.

         * @since 5.1

         */

        void IapAvailabilityChange();

        /**

         * Asks WLAN bearer availability info from Connection monitor.

         * @since 5.2

         * @param aObserver pointer to the caller

         */

        void CheckWlanAvailabilityL( MWlanAvailability* aObserver );

        /**

         * Cancels WLAN bearer availability check for an observer.

         * @since 5.2

         * @param aObserver pointer to the caller

         */

        void CancelCheckWlanWlanAvailability( MWlanAvailability* aObserver );

        /**

         * Sets iWlanAvailability pointer to NULL because object has

         * deleted itself.

         * @since 5.2

         */

        void SetWlanAvailabilityPtrNull();

    public: // Functions from base classes

        /**

        * From MConnectionMonitorObserver. Event from Connection Monitor.

        * @since 3.1

        * @param aConnMonEvent

        */                

        void EventL( const CConnMonEventBase& aConnMonEvent );

    private: // New methods

        /**

        * C++ default constructor.

        */

        CMPMConnMonEvents( CMPMServer& aServer );

        /**

        * 2nd phase constructor.

        */

        void ConstructL( CMPMServerSession& aSession );

    private: // Data

        // Handle to connection monitor

        RConnectionMonitor              iConnMon;

        // Server object reference

        CMPMServer&                     iMyServer;

        // Request object pointer array

        RPointerArray<CMPMConnMonReqs>  iReqPtrs;

        // Info about connections

        RArray<TConnInfo>               iConnInfoArray;

        // Available IAPs

        TConnMonIapInfo                 iAvailableIAPs;

        // Time stamp of last IAP availability check

        TTime                           iLastIAPRefreshTime;

        // Discard availability notifications from Connection Monitor 

        // until MPM initiated WLAN scan request has completed. 

        TBool iDiscardAvailabilityNotification;

#ifdef _DEBUG 

        TBool iFilterEvents; // by default off. (CBase)

    public:

        void FilterAvailableIAPEvents( const TBool aVal ) { iFilterEvents = aVal; }

#endif //_DEBUG

       CWlanAvailability*               iWlanAvailability;

    };

// -----------------------------------------------------------------------------

// CMPMConnMonEvents::EnableDiscarding

// -----------------------------------------------------------------------------

//

inline void CMPMConnMonEvents::EnableDiscarding()

    {

    iDiscardAvailabilityNotification = ETrue;

    }

// -----------------------------------------------------------------------------

// CMPMConnMonEvents::DisableDiscarding

// -----------------------------------------------------------------------------

//

inline void CMPMConnMonEvents::DisableDiscarding()

    {

    iDiscardAvailabilityNotification = EFalse;

    }

// -----------------------------------------------------------------------------

// CMPMConnMonEvents::DiscardAvailabilityNotification

// -----------------------------------------------------------------------------

//

inline TBool CMPMConnMonEvents::DiscardAvailabilityNotification()

    {

    return iDiscardAvailabilityNotification;

    }

#endif // MPMCONNMONEVENTS_H

// End of file