/*

* Copyright (c) 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:  Transition utilities.

*

*/

#include <e32property.h>

#include "aknpsobserver.h"

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

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

//

CAknPsObserver* CAknPsObserver::NewL( MAknPsObserver* aClient, 

                                      const TUid aCategory, 

                                      const TUint aKey )

    {

    CAknPsObserver* self = new ( ELeave ) CAknPsObserver( aClient, aCategory, 

                                                          aKey);

    CleanupStack::PushL( self );

    self->Construct( aCategory, aKey );

    CleanupStack::Pop();

    return self;

    }

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

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

//

CAknPsObserver* CAknPsObserver::New( MAknPsObserver* aClient, 

                                     const TUid aCategory, 

                                     const TUint aKey )

    {

    CAknPsObserver* self = new CAknPsObserver( aClient, aCategory, aKey);

    if(self)

    	{

	    self->Construct( aCategory, aKey );

    	}

    return self;

    }

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

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

//

CAknPsObserver::~CAknPsObserver()

    {

    Cancel();

    iProperty.Close();

    }

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

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

//

void CAknPsObserver::DoCancel()

    {

    iProperty.Cancel();

    }

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

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

//

void CAknPsObserver::RunL()

    {

    if ( iStatus.Int() == KErrNone)

        {

        TInt val;

        iProperty.Subscribe( iStatus );

        iProperty.Get( val );

        SetActive();

        iClient->PsValueUpdated( iCategory, iKey, val );

        }

    }

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

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

//

void CAknPsObserver::Construct( const TUid aCategory, const TUint aKey )

    {

    CActiveScheduler::Add( this );

    iProperty.Attach( aCategory, aKey );

    iProperty.Subscribe( iStatus );

    SetActive();

    }

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

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

//

TInt CAknPsObserver::GetCurrentValue( TInt& aValue )

    {

    return iProperty.Get( aValue );

    }

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

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

//

CAknPsObserver::CAknPsObserver( MAknPsObserver* aClient, const TUid aCategory,

                                const TUint aKey )

    : CActive( EPriorityStandard ), iClient( aClient ),

      iCategory( aCategory ), iKey( aKey )

    {

    }