/*

* Copyright (c) 2006 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:  Watches for the integer P&S property and notifies observer

* 		 about the changes

*

*/

#include "rubydebug.h"

#include "intpropertywatcher.h"

CIntPropertyWatcher* CIntPropertyWatcher::NewL( const TUid aCategory, TUint aKey, 

                                    MIntChangeNotifiable& aObserver )

    {

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

    CleanupStack::PushL( self );

    self->ConstructL( aCategory, aKey );

    CleanupStack::Pop( self );

    return self;

    }

CIntPropertyWatcher::CIntPropertyWatcher( MIntChangeNotifiable& aObserver )

    :CActive( CActive::EPriorityStandard ), iObserver( aObserver )

    {}

void CIntPropertyWatcher::ConstructL( const TUid aCategory, TUint aKey )

    {

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

    CActiveScheduler::Add(this);

    // initial subscription

    iProperty.Subscribe(iStatus);

    SetActive();

    }

CIntPropertyWatcher::~CIntPropertyWatcher()

    {

    Cancel();

    iProperty.Close();

    }

void CIntPropertyWatcher::DoCancel()

    {

    iProperty.Cancel();

    }

void CIntPropertyWatcher::RunL()

    {

    RUBY_DEBUG_BLOCKL( "" );

    // resubscribe before processing new value to prevent missing updates

    iProperty.Subscribe(iStatus);

    SetActive();    

    // property updated, get new value

    TInt newValue;

    if (iProperty.Get( newValue ) == KErrNotFound )

        {

        RUBY_DEBUG0( "Property deleted or was never defined, ignoring" );

        }

    else

        {

        iObserver.IntValueChanged( newValue );

        }

    }

//End of file