/*

* Copyright (c) 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:

*

*/

#include "irqnwkinfoobserver.h"

#include "irqnwkinfoobserverimpl.h"

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

// IRQNwkInfoObserver::openInstance()

// Static function to get a singleton instance of IRQNwkInfoObserver

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

//

EXPORT_C IRQNwkInfoObserver* IRQNwkInfoObserver::openInstance()

{

    // Get singleton instance

    IRQNwkInfoObserver* nwkInfoObserver =

                           reinterpret_cast<IRQNwkInfoObserver*>(Dll::Tls());

    if(NULL == nwkInfoObserver)

    {

        TRAPD(error, nwkInfoObserver = createInstanceL());

        if (KErrNone != error)

        {

            delete nwkInfoObserver;

            nwkInfoObserver = NULL;

            Dll::SetTls(NULL);

        }

    }

    else

    {

        nwkInfoObserver->iSingletonInstances++;

    }

    return nwkInfoObserver;

}

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

// IRQNwkInfoObserver::closeInstance()

// Close a singleton instance of IRQNwkInfoObserver

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

//

EXPORT_C void IRQNwkInfoObserver::closeInstance()

{

    iSingletonInstances--;

    if (0 == iSingletonInstances)

    {

        Dll::SetTls(NULL);

        delete this;

    }

}

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

// Constructor

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

//

IRQNwkInfoObserver::IRQNwkInfoObserver():iBody(NULL),

                                         iSingletonInstances(0)

{

}

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

// Destructor

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

//

IRQNwkInfoObserver::~IRQNwkInfoObserver()

{

    stopMonitorNwkInfo();

    delete iBody;

    iBody = NULL;

}

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

// IRQNwkInfoObserver::createInstanceL()

// Creates IRQNwkInfoObserver instance

// @return IRQNwkInfoObserver*

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

//

IRQNwkInfoObserver* IRQNwkInfoObserver::createInstanceL()

{

    IRQNwkInfoObserver* nwkInfoObserver = new (ELeave) IRQNwkInfoObserver();

    nwkInfoObserver->constructL();

    User::LeaveIfError(Dll::SetTls(nwkInfoObserver));

    nwkInfoObserver->iSingletonInstances = 1;

    return nwkInfoObserver;

}

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

// IRQNwkInfoObserver::constructL()

// Two-Phase Constructor.

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

//

void IRQNwkInfoObserver::constructL()

{

    iBody = IRQNwkInfoObserverImpl::NewL(this);

}

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

// IRQNwkInfoObserver::startMonitorNwkInfo()

// start monitoring network info change

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

//

EXPORT_C void IRQNwkInfoObserver::startMonitorNwkInfo()

{

    if(iBody)

    {

        iBody->startNwkInfoMonitor();

    }

}

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

// IRQNwkInfoObserver::stopMonitorNwkInfo()

// stop monitoring network info change

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

//

EXPORT_C void IRQNwkInfoObserver::stopMonitorNwkInfo()

{

    if(iBody)

    {

        iBody->Cancel();

    }

}

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

// From MIRQNwkInfoUpdate.

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

//

void IRQNwkInfoObserver::updateCurrentNwkInfo(const QString &aCurrentNwkMCC, const QString &aCurrentNwkMNC)

{

    emit currentNwkChanged(aCurrentNwkMCC,aCurrentNwkMNC);

}

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

// From MIRQNwkInfoUpdate.

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

//

void IRQNwkInfoObserver::updateHomeNwkInfo(const QString &aHomeNetworkMCC, const QString &aHomeNetworkMNC)

{

    emit homeNwkChanged(aHomeNetworkMCC,aHomeNetworkMNC);

}