/*

* Copyright (c) 2008 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:  This is the source file for the CClkUiModelBase class.

*

*/

// System includes

#include <e32def.h>

// User includes

#include "clkuimdlbase.h"

#include "clkuilistenerbase.h"

#include "clkuimdlpanic.h"

#include "clkmdlobserver.h"

// Constants

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

// CClkUiModelBase::CClkUiModelBase

// rest of the details are commented in the header

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

//

EXPORT_C CClkUiModelBase::CClkUiModelBase() : iNotifying( EFalse )

    {

    // No implementation yet.

    }

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

// CClkUiModelBase::~CClkUiModelBase

// rest of the details are commented in the header

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

//

EXPORT_C CClkUiModelBase::~CClkUiModelBase()

    {

    if( iListener )

        {

        delete iListener;

        iListener = NULL;

        }

    }

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

// CClkUiModelBase::Start

// rest of the details are commented in the header

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

//

EXPORT_C void CClkUiModelBase::Start()

    {

    iListener->Start();

    }

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

// CClkUiModelBase::Stop

// rest of the details are commented in the header

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

//

EXPORT_C void CClkUiModelBase::Stop()

    {

    if( iListener )

        {

        iListener->Cancel();

        }

    }

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

// CClkUiModelBase::SetModelObserver

// rest of the details are commented in the header

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

//

EXPORT_C void CClkUiModelBase::SetModelObserver( MClkModelObserver* aObserver )

    {

    // Save the observer.

    iObserver = aObserver;

    }

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

// CClkUiModelBase::NotifyL

// rest of the details are commented in the header

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

//

EXPORT_C void CClkUiModelBase::NotifyL( TInt aReason )

    {

    // If already notifying, we don't notify.

    if( !iNotifying && iObserver )

        {

        DoObserverNotifyL( aReason );

        }

    }

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

// CClkUiModelBase::SetListenerActive

// rest of the details are commented in the header

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

//

EXPORT_C void CClkUiModelBase::SetListenerActive( CClkUiMdlListenerBase* aListener )

    {

    // Save the listener first.

    iListener = aListener;

    if( iListener )

        {

        CActiveScheduler::Add( iListener );

        }

    }

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

// CClkUiModelBase::DoObserverNotifyL

// rest of the details are commented in the header

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

//

void CClkUiModelBase::DoObserverNotifyL( TInt aReason )

    {

    __ASSERT_DEBUG( iObserver, Panic( EClkUiMdlObserver ) );

    iNotifying = ETrue;

    iObserver->HandleUpdateL( aReason );

    iNotifying = EFalse;

    }

// End of file