/*

* Copyright (c) 2002 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 "VmDetDlgPropertyObserver.h"

#include "VoiceMailboxAppPrivateCRKeys.h"

#include "VmDetailsDialog.h"

#include <e32property.h>

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

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

// CVmDetDlgPropertyObserver::CVmDetDlgPropertyObserver

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

// might leave.

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

//

CVmDetDlgPropertyObserver::CVmDetDlgPropertyObserver( 

                                CVmDetailsDialog& aDetDialog )

    : CActive( CActive::EPriorityLow ),

      iDetDialog( aDetDialog )

    {

    }

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

// CVmDetDlgPropertyObserver::ConstructL

// Symbian 2nd phase constructor can leave.

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

//

void CVmDetDlgPropertyObserver::ConstructL()

    {

    CActiveScheduler::Add( this );

    }

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

// CMGXPropertyObserver::NewL

// Two-phased constructor.

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

//

CVmDetDlgPropertyObserver* CVmDetDlgPropertyObserver::NewL( 

                                CVmDetailsDialog& aDetDialog )

    {

    CVmDetDlgPropertyObserver* self = 

                         new( ELeave ) CVmDetDlgPropertyObserver( aDetDialog );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

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

// CVmDetDlgPropertyObserver::~CVmDetDlgPropertyObserver

// Destructor.

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

//

CVmDetDlgPropertyObserver::~CVmDetDlgPropertyObserver()

    {

    if ( IsActive() )

        {

        Cancel();

        }

    }

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

// CVmDetDlgPropertyObserver::ObservePropertyChangeL

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

//

void CVmDetDlgPropertyObserver::ObservePropertyChangeL( TUid aCategory, 

                                                                    TUint aKey )

    {

    if ( IsActive() )

        {

        Cancel();

        }

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

    iProperty.Subscribe( iStatus );

    SetActive();

    iKey = aKey;

    }

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

// CVmDetDlgPropertyObserver::RunL

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

//

void CVmDetDlgPropertyObserver::RunL()

    {

    TFileName fileName( KNullDesC );

    if ( iKey == KVmSummaryInfoIsSet )

        {

        User::LeaveIfError( iProperty.Get( fileName ) );

        }

    iDetDialog.HandlePropertyNotificationEventL( fileName );

    }

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

// CVmDetDlgPropertyObserver::DoCancel

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

//

void CVmDetDlgPropertyObserver::DoCancel()

    {

    iProperty.Cancel();

    }

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

// CVmDetDlgPropertyObserver::RunError

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

//

TInt CVmDetDlgPropertyObserver::RunError( TInt /*aError*/ )

    {

    // Return no error to prevent ui note from being displayed,

    // nothing else can be done.

    return KErrNone;

    }

//  End of File