/*

* Copyright (c) 2007-2007 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:  For handling interactions betweed UI and RConnection.

*

*/

#include <e32base.h>

#include <nifman.h>

#include "cscenglogger.h"

#include "cscengconnectionhandler.h"

#include "mcscengconnectionobserver.h"

// ======== MEMBER FUNCTIONS ========

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

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

//

CCSCEngConnectionHandler::CCSCEngConnectionHandler( 

    MCSCEngConnectionObserver& aObserver ) : 

    CActive( EPriorityStandard ), 

    iObserver( aObserver )

    {    

    }

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

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

//

void CCSCEngConnectionHandler::ConstructL()

    {

    CSCENGDEBUG( "CCSCEngConnectionHandler::ConstructL - begin" ); 

    CActiveScheduler::Add( this );

    iTimer = CCSCEngTimer::NewL( *this );

    // Open channel to Socket Server

    User::LeaveIfError( iSocketServ.Connect() );

    // Open connection

    User::LeaveIfError( iConnection.Open( iSocketServ ) );

    CSCENGDEBUG( "CCSCEngConnectionHandler::ConstructL - end" ); 

    }   

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

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

//

EXPORT_C CCSCEngConnectionHandler* CCSCEngConnectionHandler::NewL( 

    MCSCEngConnectionObserver& aObserver )

    {    

    CCSCEngConnectionHandler* self = 

        new ( ELeave ) CCSCEngConnectionHandler( aObserver );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

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

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

//

CCSCEngConnectionHandler::~CCSCEngConnectionHandler()

    {

    CSCENGDEBUG( "CCSCEngConnectionHandler::~CCSCEngConnectionHandler - begin" ); 

    delete iTimer;

    Cancel();

    iConnection.Close();

    iSocketServ.Close();

    CSCENGDEBUG( "CCSCEngConnectionHandler::~CCSCEngConnectionHandler - end" ); 

    }

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

// CCSCEngConnectionHandler::StartListeningConnectionEvents

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

//

EXPORT_C void CCSCEngConnectionHandler::StartListeningConnectionEvents()

    {

    CSCENGDEBUG( "CCSCEngConnectionHandler::StartListeningConnectionEvents" ); 

    if ( IsActive() )

        {

        Cancel();

        }

    iTimer->StartTimer( CCSCEngTimer::EConnectionMonitoringTimer ); 

    iConnection.AllInterfaceNotification( iInfoBuf, iStatus );

    SetActive(); 

    }

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

// CCSCEngConnectionHandler::StopListeningConnectionEvents

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

//

EXPORT_C void CCSCEngConnectionHandler::StopListeningConnectionEvents()

     {

     CSCENGDEBUG( "CCSCEngConnectionHandler::StopListeningConnectionEvents" ); 

     iTimer->StopTimer();

     iConnection.CancelAllInterfaceNotification();

     }    

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

// From MCSCEngTimerObserver

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

//

void CCSCEngConnectionHandler::TimerExpired()

     {

     CSCENGDEBUG( "CCSCEngConnectionHandler::TimerExpired" ); 

     iConnection.CancelAllInterfaceNotification();

     iObserver.NotifyConnectionEvent( EEventTimedOut );

     } 

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

// CCSCEngConnectionHandler::RunL

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

//

void CCSCEngConnectionHandler::RunL()

    {

    if ( iStatus.Int() == KErrNone )

        {

        CSCENGDEBUG2( 

            "CCSCEngConnectionHandler::RunL STATE=%d", iInfoBuf().iState );

        if ( EInterfaceDown == iInfoBuf().iState )

            {

            iTimer->StopTimer();

            iObserver.NotifyConnectionEvent( EEventConnectionDown );

            }

        }

    }

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

// CCSCEngConnectionHandler::DoCancel

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

//

void CCSCEngConnectionHandler::DoCancel()

    {    

    iTimer->StopTimer();

    iConnection.CancelAllInterfaceNotification();

    }