/*

* 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 CSPEtelConferenceCapsMonitor which

*                monitors call status changes from ETel and notifies observer

*                according to call status change.

*

*/

#include "cspetelconferencecapsmonitor.h"

#include "cspconferencecall.h"

#include "csplogger.h"

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

// CSPEtelConferenceCapsMonitor::NewL.

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

//

CSPEtelConferenceCapsMonitor* CSPEtelConferenceCapsMonitor::NewL( 

                                                    CSPConferenceCall& aOwner,

                                                    RMobileConferenceCall& aCall ) 

    {

    CSPLOGSTRING(CSPOBJECT, 

        "CSPEtelConferenceCapsMonitor::NewL()" );

    CSPEtelConferenceCapsMonitor* self = 

                        new ( ELeave ) CSPEtelConferenceCapsMonitor( 

                                                            aOwner, aCall );

    CleanupStack::PushL( self );

    self->ConstructL( );

    CleanupStack::Pop( self );

    return self;    

    }

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

// Destructs the object by canceling first ongoing monitoring.

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

//

CSPEtelConferenceCapsMonitor::~CSPEtelConferenceCapsMonitor( )

    {

    CSPLOGSTRING(CSPOBJECT, 

        "CSPEtelConferenceCapsMonitor::~CSPEtelConferenceCapsMonitor()" );

    if ( iDestrPtr )

        {

        *iDestrPtr = ETrue;

        iDestrPtr = NULL;

        }

    Cancel();

    }

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

// Starts the monitoring.

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

//

void CSPEtelConferenceCapsMonitor::StartMonitoring()

    {

    CSPLOGSTRING(CSPOBJECT, 

          "CSPEtelConferenceCapsMonitor::StartMonitoring()" );

    if ( !IsActive() )

        {

        CSPLOGSTRING( CSPREQOUT, 

            "CSP: CSPEtelConferenceCapsMonitor::StartMonitoring: Request \

                    RMobilePhone::NotifyCapsChange" );

        iCall.NotifyCapsChange( iStatus, iCaps );

        SetActive();

        }

    else

        {

        CSPLOGSTRING( CSPERROR, 

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

        }

    }

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

// From CActive

// Handles call status notifying.

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

//

void CSPEtelConferenceCapsMonitor::RunL()

    {

    CSPLOGSTRING2( CSPREQEND, 

        "CSPEtelConferenceCapsMonitor::RunL: status: %d", iStatus.Int() );

    // Survive from monitor destruction during observing sequence

    TBool destroyed = EFalse;

    iDestrPtr = &destroyed;

    if ( iStatus == KErrNone )

        {

        // Test caps and notify about the iOwner 

        iOwner.ConferenceCapsChanged( iCaps );

        }

    if ( !destroyed )

        {

        // In case instance has not been deleted, it is important to clear

        // iPtr pointer.

        iDestrPtr = NULL;

        // ok to modify member variables.

        if ( iStatus == KErrNone )

            {

            StartMonitoring();

            }

        }

    else

        {

        // already destroyed, do not touch members.

        }

    }

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

// From CActive

// Canceling functionality.

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

//

void CSPEtelConferenceCapsMonitor::DoCancel()

    {

    iCall.CancelAsyncRequest( EMobileConferenceCallNotifyCapsChange );

    }

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

// Constructs the monitor..

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

//

CSPEtelConferenceCapsMonitor::CSPEtelConferenceCapsMonitor( CSPConferenceCall& aOwner,

                                                    RMobileConferenceCall& aCall ) : 

                                   CActive( EPriorityStandard ),

                                   iOwner( aOwner ),

                                   iCall ( aCall )

    {

    CSPLOGSTRING(CSPOBJECT, 

        "CSPEtelConferenceCapsMonitor::CSPEtelConferenceCapsMonitor()" );

    CActiveScheduler::Add( this );

    }

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

// Second phase construction.

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

//

void CSPEtelConferenceCapsMonitor::ConstructL()

    {

    // Implementation not required.

    }

// End of file