/*

* Copyright (c) 2006-2007 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:  ?Description

*

*/

#include "irchangeobserver.h"

#include "irdebug.h"

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

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

// CIRObserver::CIRObserver

// C++ default constructor CIRObserver

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

//

CIRObserver::CIRObserver(MIRChangeObserver& aObserver, const TUid& aCategory, 

	const TUint aKey, const RProperty::TType aPropertyType)

    : CActive( CActive::EPriorityLow ),

    iObserver( aObserver ),

    iCategory( aCategory ),

    iKey( aKey ),

    iPropertyType( aPropertyType )

	{

	IRLOG_DEBUG( "CIRObserver::CIRObserver" );

	}

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

// CIRObserver::ConstructL

// Symbian 2nd phase constructor can leave.

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

//

void CIRObserver::ConstructL()

	{

	IRLOG_DEBUG( "CIRObserver::ConstructL - Entering" );

    User::LeaveIfError( iProperty.Attach( iCategory, iKey ) );

    CActiveScheduler::Add( this );

    RunL();

	IRLOG_DEBUG( "CIRObserver::ConstructL - Exiting." );

	}

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

// CIRObserver::NewL

// Two-phased constructor.

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

//

CIRObserver* CIRObserver::NewL(MIRChangeObserver& aObserver, const TUid& 

	aCategory, const TUint aKey, const RProperty::TType aPropertyType)

	{

	IRLOG_DEBUG( "CIRObserver::NewL - Entering" );

    CIRObserver* self = new( ELeave )CIRObserver( aObserver, aCategory, aKey,

    	aPropertyType );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

	IRLOG_DEBUG( "CIRObserver::NewL - Exiting." );

    return self;

	}

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

// CIRObserver::~CIRObserver

// C++ default destructor

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

//

CIRObserver::~CIRObserver()

	{

	IRLOG_DEBUG( "CIRObserver::~CIRObserver - Entering" );

	Cancel();

	iProperty.Close(); //Closes the publish and subscribe handler

	IRLOG_DEBUG( "CIRObserver::~CIRObserver - Exiting." );

	}

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

// CIRObserver::RunL

// The function is called by the active scheduler 

// when a request completion event occurs

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

//

void CIRObserver::RunL()

	{

	IRLOG_DEBUG( "CIRObserver::RunL - Entering" );

	//Subscribe the handler

    iProperty.Subscribe( iStatus );

    SetActive();

    TInt err(KErrNone);

    switch (iPropertyType)

        {

        case RProperty::EInt:

	        {

	        err = iProperty.Get( iValueInt );

	        if (!err)

            	{

            	//callback function called when a property value of type int.

                iObserver.HandleChangeL( iCategory, iKey, iValueInt );

             	}

	        break;

	        }

	     case RProperty::EText:

	        {

	        break;

	       	}

	    default:

	        {

	        break;

	        }

        }

	  IRLOG_DEBUG( "CIRObserver::RunL - Exiting." );

      }

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

// CIRObserver::DoCancel

// Cancels an outstanding active request

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

//

void CIRObserver::DoCancel()

	{

	IRLOG_DEBUG( "CIRObserver::DoCancel - Entering" );

    iProperty.Cancel();

    IRLOG_DEBUG( "CIRObserver::DoCancel - Exiting" );

	}

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

// CIRObserver::GetValue

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

//	

void CIRObserver::GetValue(TInt& aValue) const

	{

	IRLOG_DEBUG( "CIRObserver::GetValue - Entering" );

	//aValue assigned with the current Property value

	aValue = iValueInt;

	IRLOG_DEBUG( "CIRObserver::GetValue - Exiting" );

	}

// End of File