#include "WidgetUiNetworkListener.h"

CWidgetUiNetworkListener* CWidgetUiNetworkListener::NewL(CWidgetUiWindowManager& aWindowManager)

    {

    CWidgetUiNetworkListener* self = new (ELeave) CWidgetUiNetworkListener(aWindowManager);

    return self;

    }

CWidgetUiNetworkListener::CWidgetUiNetworkListener(CWidgetUiWindowManager& aWindowManager)

        : CActive(0), iWindowManager(aWindowManager)

    {

    CActiveScheduler::Add(this);

    StartListening();

    }

CWidgetUiNetworkListener::~CWidgetUiNetworkListener()

    {

    Cancel();

    Close();

    }

TInt CWidgetUiNetworkListener::StartListening()

    {

    TInt err = KErrNone;

    // If already listening do nothing

    if(!IsActive())

        {

        if((err = Connect()) == KErrNone)

            {

            // check if there is a current active connection

            if ( CheckActiveNetworkConnection() )

                {

                // notify widgets of an existing active network connection

                iWindowManager.NotifyConnecionChange( ETrue );

                }

            iConn.AllInterfaceNotification( iNote, iStatus );

            SetActive();

            }

        }

    return err;

    }

TBool CWidgetUiNetworkListener::CheckActiveNetworkConnection()

    {

    TUint iNumConnections, netConnections;

    TPckgBuf<TConnectionInfoV2> connectionInfo;

    iConn.EnumerateConnections(iNumConnections);

    netConnections  = iNumConnections;

    for(TUint i = 1; i <= iNumConnections; i++)

        {

        iConn.GetConnectionInfo(i, connectionInfo);

        // dont count bluetooth connection

        if(connectionInfo().ConnectionType() >= EConnectionBTPAN)

            {

            netConnections--;

            }

        }

    if (netConnections > 0)

        {

        return ETrue;

        }

    return EFalse;

    }

void CWidgetUiNetworkListener::RunL()

    {

    if ( iNote().iState == EInterfaceUp )

        { 

        // notify widgets of an active network connection

        iWindowManager.NotifyConnecionChange( ETrue );

        }

    else if ( iNote().iState == EInterfaceDown )

        {

        // check if there are no other active connections

        if ( !CheckActiveNetworkConnection() )

            {

            // notify widgets of a network connection going down

            iWindowManager.NotifyConnecionChange( EFalse );

            }

        }

    iConn.AllInterfaceNotification( iNote, iStatus );

    SetActive();

    }

void CWidgetUiNetworkListener::DoCancel()

    {

    iConn.CancelAllInterfaceNotification();

    Close();

    }

TInt CWidgetUiNetworkListener::Connect()

    {

    TInt err;

    if( ( err = iSocketServer.Connect() ) == KErrNone )

        {

        if( ( err = iConn.Open(iSocketServer, KAfInet) ) != KErrNone )

            {

            //failed, close server too

            iSocketServer.Close();

            }

        }

    return err;

    }

void CWidgetUiNetworkListener::Close()

    {

    iConn.Close();               // destructor does these

    iSocketServer.Close();

    }