/*

* 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:  Publish & Subscribe property change observer implementation

*

*/ 

// INCLUDE FILES

#include "cimalertpropertyobserver.h"

#include "mimalertpropertynotificationobserver.h"

#include <bautils.h>

#include <barsc.h>

#include <e32property.h>

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

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

// CIMAlertPropertyObserver::CIMAlertPropertyObserver

// C++ default constructor can NOT contain any code, that

// might leave.

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

//

CIMAlertPropertyObserver::CIMAlertPropertyObserver( 

        MIMAlertPropertyNotificationObserver& aObserver )

    : CActive( CActive::EPriorityLow ),

      iObserver( aObserver )

    {

    CActiveScheduler::Add( this );

    }

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

// CIMAlertPropertyObserver::NewL

// Two-phased constructor.

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

//

CIMAlertPropertyObserver* CIMAlertPropertyObserver::NewL( 

        MIMAlertPropertyNotificationObserver& aObserver )

    {

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

    return self;

    }

// Destructor

CIMAlertPropertyObserver::~CIMAlertPropertyObserver()

    {

    if( IsActive() )

        {

        Cancel();

        }

    }

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

// CIMAlertPropertyObserver::ObservePropertyChangeL

// (other items were commented in a header).

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

//

void CIMAlertPropertyObserver::ObservePropertyChangeL( TUid aCategory, TUint aKey )

    {

	if( IsActive() )

		{

		return;

		}

    User::LeaveIfError( iProperty.Attach( aCategory, aKey ) );

	iKey = aKey;

	iCategory = aCategory;

    iProperty.Subscribe( iStatus );

    SetActive();

    }

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

// CIMAlertPropertyObserver::CancelObserve

// (other items were commented in a header).

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

//

void CIMAlertPropertyObserver::CancelObserve()

    {

    if( IsActive() )

        {

        Cancel();

        }

	}

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

// CIMAlertPropertyObserver::RunL

// (other items were commented in a header).

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

//

void CIMAlertPropertyObserver::RunL()

    {

	iProperty.Subscribe( iStatus );

	SetActive();

    iObserver.HandlePropertyNotificationEventL( iCategory, iKey );      

    }

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

// CIMAlertPropertyObserver::DoCancel

// (other items were commented in a header).

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

//

void CIMAlertPropertyObserver::DoCancel()

    {

    iProperty.Cancel();

    }

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

// CIMAlertPropertyObserver::Category

// (other items were commented in a header).

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

//

TUid CIMAlertPropertyObserver::Category()

	{

	return iCategory;

	}

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

// CIMAlertPropertyObserver::Key

// (other items were commented in a header).

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

//

TUint CIMAlertPropertyObserver::Key()

	{

	return iKey;

	}

//  End of File