/*

* Copyright (c) 2004 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: Observer for IMPS property.

*

*

*/

// INCLUDE FILES

#include    <centralrepository.h>

#include    "impspropertyobserver.h"

#include    "impsutils.h"

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

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

// CImpsPropertyObserver::NewL

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

//

CImpsPropertyObserver* CImpsPropertyObserver::NewL( MImpsPropertyObserver& aObserver,

                                                    TUid aCategory,

                                                    TUint32 aKey )

    {

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

                                                                        aCategory, aKey );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop();

#ifndef _NO_IMPS_LOGGING_

    CImpsClientLogger::Log( _L( "CImpsPropertyObserver Constructor " ) );

#endif

    return self;

    }

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

// CImpsPropertyObserver::~CImpsPropertyObserver

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

//

CImpsPropertyObserver::~CImpsPropertyObserver()

    {

#ifndef _NO_IMPS_LOGGING_

    CImpsClientLogger::Log( _L( "CImpsPropertyObserver Destructor " ) );

#endif

    Cancel();

    delete iRep;

    }

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

// CImpsPropertyObserver::CImpsPropertyObserver

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

//

CImpsPropertyObserver::CImpsPropertyObserver( MImpsPropertyObserver& aObserver,

                                              TUid aCategory,

                                              TUint32 aKey )

        : CActive( CActive::EPriorityStandard ),

        iObserver( aObserver ),

        iCategory( aCategory ),

        iKey( aKey )

    {

    CActiveScheduler::Add( this );

    }

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

// CImpsPropertyObserver::ConstructL

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

//

void CImpsPropertyObserver::ConstructL( )

    {

    iRep = CRepository::NewL( iCategory );

    iStatus = KRequestPending;

    iRep->NotifyRequest( iKey, iStatus );

    SetActive( );

    }

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

// CImpsPropertyObserver::RunL

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

//

void CImpsPropertyObserver::RunL()

    {

#ifndef _NO_IMPS_LOGGING_

    CImpsClientLogger::Log( _L( "CImpsPropertyObserver RunL" ) );

#endif

    TInt newValue( 0 );

    iRep->Get( iKey, newValue );

    iObserver.HandlePropertyChangeL( newValue );

    iStatus = KRequestPending;

    iRep->NotifyRequest( iKey, iStatus );

    SetActive( );

    }

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

// CImpsPropertyObserver::RunError

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

//

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

    {

#ifndef _NO_IMPS_LOGGING_

    CImpsClientLogger::Log( _L( "CImpsPropertyObserver RunError ***" ) );

#endif

    // iObserver.HandlePropertyChangeL cannot actually leave now, so

    // this is not needed:

    /*

    iStatus = KRequestPending;

    iRep->NotifyRequest( iKey, iStatus );

    SetActive( );

    */

    return KErrNone;

    }

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

// CImpsPropertyObserver::DoCancel

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

//

void CImpsPropertyObserver::DoCancel()

    {

    /*

    Central Repository Design Document:

    It is possible to cancel a notification by supplying the exact

    same arguments used to set up the notification to the relevant

    NotifyCancel API. In this situation the TRequestStatus will no

    be set to KErrCancel but to KInvalidNotificationId.

    */

    iRep->NotifyCancelAll();

    }

//  End of File