/*

* Copyright (c) 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:  Implementation of class CSPEtelCallStatusMonitor which

*                monitors call status changes from ETel and notifies observer

*                according to call status change.

*

*/

#include <mccpcallobserver.h>

#include "cspetelcallstatusmonitor.h"

#include "mcspcallobserver.h"

#include "csplogger.h"

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

// CSPEtelCallEventMonitor::NewL.

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

//

CSPEtelCallStatusMonitor* CSPEtelCallStatusMonitor::NewL( MCSPCallObserver& aObserver,

                                                        RMobileCall& aCall ) 

    {

    CSPLOGSTRING(CSPOBJECT, 

        "CSPEtelCallEventMonitor::NewL()" );

    CSPEtelCallStatusMonitor* self = new ( ELeave ) CSPEtelCallStatusMonitor( 

                                        aObserver, aCall );

    return self;    

    }

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

// Destructs the object by canceling first ongoing monitoring.

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

//

CSPEtelCallStatusMonitor::~CSPEtelCallStatusMonitor( )

    {

    CSPLOGSTRING(CSPOBJECT, 

        "CSPEtelCallStatusMonitor::~CSPEtelCallStatusMonitor()" );

    Cancel();

    if ( iDestrPtr )

        {

        *iDestrPtr = ETrue;

        iDestrPtr = NULL;

        }

    }

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

// Starts the monitoring.

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

//

void CSPEtelCallStatusMonitor::StartMonitoring()

    {

    CSPLOGSTRING(CSPINT, "CSPEtelCallStatusMonitor::StartMonitoring()" );

    if ( !IsActive() && iCall.SubSessionHandle() )

        {

        CSPLOGSTRING( CSPREQOUT, 

            "CSP: CSPEtelCallStatusMonitor::StartMonitoring: Request \

                    RMobilePhone::NotifyMobileCallStatusChange" );

        iCall.NotifyMobileCallStatusChange( iStatus, iCallStatus );

        CSPLOGSTRING( CSPREQOUT, "CSPEtelCallStatusMonitor:: Notify OK" );

        SetActive();

        }

    else

        {

        CSPLOGSTRING( CSPERROR, 

            "CSP: CSPEtelCallStatusMonitor::StartMonitoring: Already active" );

        }

    }

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

// Starts the monitoring.

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

//    

RMobileCall::TMobileCallStatus CSPEtelCallStatusMonitor::State()

    {

    return iCallStatus;

    }

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

// From CActive

// Handles call status notifying.

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

//

void CSPEtelCallStatusMonitor::RunL()

    {

    CSPLOGSTRING( CSPINT, "CSPEtelCallStatusMonitor::RunL")   

    // Survive from monitor destruction during observing sequence

    TBool destroyed = EFalse;

    iDestrPtr = &destroyed;

    if ( iStatus == KErrNone )

        {

        iObserver.NotifyCallStateChangedETel( iCallStatus );

        }

    if ( !destroyed )

        {        

        // In case instance has not been deleted, pointer must be cleared.

        iDestrPtr = NULL;

        if ( iStatus == KErrNone )

            {

            StartMonitoring();

            }

        }

    else

        {

        // already destroyed, do not touch members.

        }

    }

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

// From CActive

// Canceling functionality.

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

//

void CSPEtelCallStatusMonitor::DoCancel()

    {

    CSPLOGSTRING( CSPINT, "CSPEtelCallStatusMonitor::DoCancel" );

    iCall.CancelAsyncRequest( EMobileCallNotifyMobileCallStatusChange );

    }

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

// Constructs the monitor..

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

//

CSPEtelCallStatusMonitor::CSPEtelCallStatusMonitor( MCSPCallObserver& aObserver,

                                                    RMobileCall& aCall ) : 

                                   CActive( EPriorityStandard ),

                                   iObserver( aObserver ),

                                   iCall ( aCall )

    {

    CSPLOGSTRING(CSPOBJECT, 

        "CSPEtelCallStatusMonitor::CSPEtelCallStatusMonitor()" );

    CActiveScheduler::Add( this );

    }

// End of file