/*

* Copyright (c) 2010 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:  This is the client side internal file to handle

*               cache update notifications sent by the server using

*               Publish and Subscribe framework.

*

*/

#include <CPsRequestHandler.h>

#include "CPsUpdateHandler.h"

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

// CPsUpdateHandler::CPsUpdateHandler

// C++ constructor

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

CPsUpdateHandler::CPsUpdateHandler( CPSRequestHandler& aRequestHandler, TInt aPsKey ) :

    CActive( EPriorityStandard ),

    iRequestHandler( aRequestHandler ),

    iPsKey( aPsKey )

    {

    CActiveScheduler::Add( this );

    }

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

// CPsUpdateHandler::NewLC

// Two-phased constructor

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

CPsUpdateHandler* CPsUpdateHandler::NewLC( CPSRequestHandler& aRequestHandler, TInt aPsKey )

    {

    CPsUpdateHandler* self = new (ELeave) CPsUpdateHandler( aRequestHandler, aPsKey );

    CleanupStack::PushL( self );

    self->ConstructL();

    return self;

    }

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

// CPsUpdateHandler::NewL

// Two-phased constructor

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

CPsUpdateHandler* CPsUpdateHandler::NewL( CPSRequestHandler& aRequestHandler, TInt aPsKey )

    {

    CPsUpdateHandler* self = CPsUpdateHandler::NewLC( aRequestHandler, aPsKey );

    CleanupStack::Pop( self );

    return self;

    }

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

// CPsUpdateHandler::ConstructL

// Second phase constructor

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

void CPsUpdateHandler::ConstructL()

    {

    TInt err = iProperty.Attach( KPcsInternalUidCacheStatus, iPsKey );

    User::LeaveIfError(err);

    iProperty.Subscribe(iStatus);

    SetActive();

    }

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

// CPsUpdateHandler::~CPsUpdateHandler

// Destructor

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

CPsUpdateHandler::~CPsUpdateHandler()

    {

    Cancel();

    iProperty.Close();

    }

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

// CPsUpdateHandler::DoCancel

// Cancel subscription to the property

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

void CPsUpdateHandler::DoCancel()

    {

    iProperty.Cancel();

    }

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

// CPsUpdateHandler::RunL

// Handle change in the subscribed property

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

void CPsUpdateHandler::RunL()

    {

    iProperty.Subscribe(iStatus);

    SetActive();

    // Notify all observers about the update

    switch ( iPsKey )

        {

        case EPsKeyContactRemovedCounter:

            iRequestHandler.NotifyCachingStatus( ECacheUpdateContactRemoved, 0 );

            break;

        case EPsKeyContactModifiedCounter:

            iRequestHandler.NotifyCachingStatus( ECacheUpdateContactModified, 0 );

            break;

        case EPsKeyContactAddedCounter:

            iRequestHandler.NotifyCachingStatus( ECacheUpdateContactAdded, 0 );

            break;

        default:

            break;

        }

    }

// end of file