/*

* 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 the License "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:  Notification class

*

*/

/*

* %version: 16 %

*/

#include "rwlmserver.h"

#include "am_debug.h"

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

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

// CWLMNotify::ConstructL

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

//

void CWLMNotify::ConstructL()

    {

    DEBUG( "CWLMNotify::ConstructL()" );

    CActiveScheduler::Add( this );

    WaitForNotifications();

    }

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

// CWLMNotify::CWLMNotify

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

//

CWLMNotify::CWLMNotify(

    MWLMNotify& aCallback,

    RWLMServer& aServer,

    TUint32 aNotificationMask ):

    CActive( CActive::EPriorityStandard ), 

    iCallback( &aCallback ),

    iServer( aServer ),

    iDataPckg(),

    iCancelRequested( EFalse ),

    iNotificationMask( aNotificationMask )

    {

    DEBUG( "CWLMNotify::CWLMNotify()" );

    }

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

// CWLMNotify::~CWLMNotify

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

//

CWLMNotify::~CWLMNotify()

    {

    DEBUG( "CWLMNotify::~CWLMNotify()" );

    Cancel();

    iCallback = NULL;

    }

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

// CWLMNotify::DoCancel

// This is been called when active object should be 

// cancelled. This is called by CActive::Cancel().

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

//

void CWLMNotify::DoCancel()

    {

    DEBUG( "CWLMNotify::DoCancel()" );

    iServer.CancelRequest();

    }

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

// CWLMNotify::NewL

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

//

CWLMNotify* CWLMNotify::NewL(

    MWLMNotify& aCallback,

    RWLMServer& aServer,

    TUint32 aNotificationMask )

    {

    DEBUG( "CWLMNotify::NewL()" );

    CWLMNotify* self = new (ELeave) CWLMNotify( aCallback, aServer, aNotificationMask );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

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

// CWLMNotify::RunL

// This is called when a response is received to a 

// asynchronous message. This method dispatches 

// notifications to client's interface.

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

//

void CWLMNotify::RunL()

    {

    DEBUG1( "CWLMNotify::RunL() - status == %d", iStatus.Int() );

    if( iStatus == KRequestPending )

        {

        DEBUG( "CWLMNotify::RunL() - request still pending!" );

        return;

        }

    if( iStatus == KErrServerTerminated )

        {

        DEBUG( "CWLMNotify::RunL() - server terminated" );

        return;

        }

    switch( iStatus.Int() )

        {

        case EWlmNotifyConnectionStateChanged:

            {

            iCallback->ConnectionStateChanged(

                static_cast<TWlanConnectionState>( iDataPckg().data[0] ));

            break;

            }

        case EWlmNotifyBssidChanged:

            {

            iCallback->BSSIDChanged( iDataPckg().data );

            break;

            }

        case EWlmNotifyBssLost:

            {

            iCallback->BSSLost();

            break;

            }

        case EWlmNotifyBssRegained:

            {

            iCallback->BSSRegained();

            break;

            }

        case EWlmNotifyNewNetworksDetected:

        	{

        	iCallback->NewNetworksDetected();

        	break;

        	}

        case EWlmNotifyOldNetworksLost:

        	{

        	iCallback->OldNetworksLost();

        	break;

        	}

        case EWlmNotifyTransmitPowerChanged:

            {

            TUint power( 0 );

            // safer to copy than cast: alignment might not be correct

            Mem::Copy( &power, iDataPckg().data.Ptr(), sizeof( power ) );

            DEBUG1( "CWLMNotify::RunL() - transmit power changed to %u", power );

            iCallback->TransmitPowerChanged( power );

            break;

            }

        case EWlmNotifyNotificationsCancelled:

            {

            DEBUG( "CWLMNotify::RunL() - notifications cancelled" );

            return; // Do NOT call WaitForNotifications()

            }

        case EWlmNotifyRcpChanged:

            {

            TWlanRCPLevel rcpLevel = static_cast<TWlanRCPLevel>( iDataPckg().data[0] );

            TUint rcp = static_cast<TUint>( iDataPckg().data[1] );

            DEBUG2( "CWLMNotify::RunL() - EWlmNotifyRcpChanged %d, %d", rcpLevel, rcp );

            iCallback->RcpChanged( rcpLevel, rcp );

            break;

            }

        case EWlmNotifyTrafficStreamStatusChanged:

            {

            TUint id( 0 );

            // safer to copy than cast: alignment might not be correct

            Mem::Copy( &id, iDataPckg().data.Ptr(), sizeof( id ) );

            TWlanTrafficStreamStatus status =

                static_cast<TWlanTrafficStreamStatus>( iDataPckg().data[4] );

            DEBUG2( "CWLMNotify::RunL() - status of traffic stream %u changed to %u", id, status );

            iCallback->TrafficStreamStatusChanged( id, status );

            break;

            }

        case EWlmNotifyAccessPointInfoChanged:

            {

            TWlanAccessPointInfo info;

            Mem::Copy( &info, iDataPckg().data.Ptr(), sizeof( info ) );

            DEBUG5( "CWLMNotify::RunL() - AP info changed (Voice = %u, Video = %u, BestEffort = %u, Background = %u, WPX = %u)",

                info.isAcRequiredForVoice,

                info.isAcRequiredForVideo,

                info.isAcRequiredForBestEffort,

                info.isAcRequiredForBackground,

                info.isWpx );

            iCallback->AccessPointInfoChanged( info );

            break;

            }

        case EWlmNotifyAcTrafficModeChanged:

            {

            TWlmAccessClass accessClass(

                static_cast<TWlmAccessClass>( iDataPckg().data[0] ) );

            TWlmAcTrafficMode mode(

                static_cast<TWlmAcTrafficMode>( iDataPckg().data[1] ) );

            DEBUG2( "CWLMNotify::RunL() - traffic mode of access class (%u) changed to %u",

                accessClass, mode );

            iCallback->AccessClassTrafficModeChanged(

                accessClass,

                mode );

            break;

            }

        case EWlmNotifyAcTrafficStatusChanged:

            {

            TWlmAccessClass accessClass(

                static_cast<TWlmAccessClass>( iDataPckg().data[0] ) );

            TWlmAcTrafficStatus status(

                static_cast<TWlmAcTrafficStatus>( iDataPckg().data[1] ) );

            DEBUG2( "CWLMNotify::RunL() - traffic status of access class (%u) changed to %u",

                accessClass, status );

            iCallback->AccessClassTrafficStatusChanged(

                accessClass,

                status );

            break;

            }

        default:

            DEBUG1( "CWLMNotify::RunL() - unknown notification: %d", iStatus.Int() );

        }

    // Make a new notification request if allowed

    if( !iCancelRequested )

        {

        WaitForNotifications();

        }

    else

        {

        DEBUG("CWLMNotify::RunL() - cancellation has been requested -> cancelling request.");

        iServer.CancelRequest();

        }

    }

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

// CWLMNotify::WaitForNotifications

// The loop goes: WaitForNotifications->RunL->

// WaitForNotifications->...

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

//

void CWLMNotify::WaitForNotifications()

    {

    DEBUG( "CWLMNotify::WaitForNotifications()" );

    iServer.WaitForNotification( iStatus, iDataPckg, iNotificationMask );    

    SetActive();

    }

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

// CWLMNotify::Activate

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

//

void CWLMNotify::Activate(

    MWLMNotify& aCallback,

    TUint32 aNotificationMask )

    {

    DEBUG( "CWLMNotify::Activate()" );

    iCallback = &aCallback;

    iCancelRequested = EFalse;

    iNotificationMask = aNotificationMask;

    WaitForNotifications();

    }

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

// CWLMNotify::SetCancelled

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

//

void CWLMNotify::SetCancelled()

    {

    iCancelRequested = ETrue;

    }