/*

* 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 "irpropertychangeao.h"

#include "irpropertyobserver.h" 

#include "irqlogger.h" 

CIRPropertyChangeAO::CIRPropertyChangeAO(MIRPropertyChangeObserverInterface* aObserver, const TUid& aCategory,

        const TUint aKey) : CActive(CActive::EPriorityStandard), iObserver(aObserver), iCategory(aCategory), iKey(aKey)

{

    LOG_METHOD;

}

void CIRPropertyChangeAO::ConstructL()

{

    LOG_METHOD;

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

    CActiveScheduler::Add(this);     

}

CIRPropertyChangeAO* CIRPropertyChangeAO::NewL(

        MIRPropertyChangeObserverInterface* aObserver, const TUid& aCategory,

        const TUint aKey)

{

    LOG_METHOD;

    CIRPropertyChangeAO* self = new (ELeave) CIRPropertyChangeAO(aObserver,

            aCategory, aKey);

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop(self);

    return self;

}

CIRPropertyChangeAO::~CIRPropertyChangeAO()

{

    Cancel();

    iProperty.Close();

}

void CIRPropertyChangeAO::ActivateL()

{

    if (!IsActive())

    {

        RunL();

    }

}

void CIRPropertyChangeAO::RunL()

{

    LOG_METHOD;

    if ( KErrNone == iStatus.Int() ) 

    {

        TInt err = KErrNone;

        err = iProperty.Get(iValueInt);

        if ( KErrNone == err )

        {            

            iObserver->HandlePropertyChangeL(iCategory, iKey, iValueInt);

        }    

        else

        {

            iObserver->HandlePropertyChangeErrorL(iCategory, iKey, err);

        }        

    }

    iProperty.Subscribe(iStatus);

    SetActive();

    //if the iStatus is error, ignore it.

}

void CIRPropertyChangeAO::DoCancel()

{

    iProperty.Cancel();

}

TBool CIRPropertyChangeAO::ValueInt(TInt& aValue)

{

	TInt tempValue = 0;

    TInt err = iProperty.Get(tempValue);

    if ( KErrNone == err )

    {

    	iValueInt = tempValue;    

    	aValue = tempValue;

    }

    else

    {

        return EFalse;

    }

    return ETrue;

}