/*

* Copyright (c) 2007-2009 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 monitoring ecom events.

*

*/

#include "cscenglogger.h"

#include "cscengecommonitor.h"

#include "mcscengecomobserver.h"

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

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

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

//

CCSCEngEcomMonitor::CCSCEngEcomMonitor( MCSCEngEcomObserver& aObserver ) 

    : CActive( EPriorityStandard ),

    iObserver( aObserver )

    {    

    }

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

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

//

void CCSCEngEcomMonitor::ConstructL()

    {

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

    // Open ECom session and start monitoring count of implementations.

    CActiveScheduler::Add( this );

    iEcomSession = REComSession::OpenL();

    StartMonitoring();

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

    }   

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

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

//

CCSCEngEcomMonitor* CCSCEngEcomMonitor::NewL( MCSCEngEcomObserver& aObserver )

    {    

    CCSCEngEcomMonitor* self = new ( ELeave ) CCSCEngEcomMonitor( aObserver );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

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

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

//

CCSCEngEcomMonitor::~CCSCEngEcomMonitor()

    {

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

    Cancel();

    iEcomSession.Close();

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

    }

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

// From CActive

// CCSCEngEcomMonitor::RunL

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

//

void CCSCEngEcomMonitor::RunL()

    {

    CSCENGDEBUG( "CCSCEngEcomMonitor::RunL - begin" );

    iObserver.NotifyEcomEvent();

    // Start monitoring changed in ECom session again.    

    StartMonitoring();

    CSCENGDEBUG( "CCSCEngEcomMonitor::RunL - end" );

    }

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

// From CActive

// CCSCEngEcomMonitor::DoCancel

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

//

void CCSCEngEcomMonitor::DoCancel()

    {

    // Cancel ECom session notification service.

    iEcomSession.CancelNotifyOnChange( iStatus );

    }    

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

// CCSCEngEcomMonitor::StartMonitoring

// Starts monitoring about ECom notifications.

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

//

void CCSCEngEcomMonitor::StartMonitoring()

    {

    // Attach to ECom session notification service.

    if ( !IsActive() )

        {

        iEcomSession.NotifyOnChange( iStatus );

        SetActive();

        }

    }

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

// CCSCEngEcomMonitor::ResetAndDestroy

// Frees memory allocated by array in case of leave.

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

//

void CCSCEngEcomMonitor::ResetAndDestroy( TAny* aArray )

    {

    CSCENGDEBUG( "CCSCEngEcomMonitor::ResetAndDestroy" );	

    if ( aArray )

        {

        RImplInfoPtrArray* array = 

            reinterpret_cast<RImplInfoPtrArray*>( aArray );

        array->ResetAndDestroy();

        }

    }