diff -r 5b6f26637ad3 -r f4a778e096c2 predictivesearch/PcsServerClientAPI/src/CPsUpdateHandler.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/predictivesearch/PcsServerClientAPI/src/CPsUpdateHandler.cpp	Wed Sep 01 12:29:52 2010 +0100
@@ -0,0 +1,117 @@
+/*
+* 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