diff -r 000000000000 -r 094583676ce7 wvuing/IMPSServiceSettingsUI/SharedDataSrc/CIMPSSystemNotifierPubSub.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wvuing/IMPSServiceSettingsUI/SharedDataSrc/CIMPSSystemNotifierPubSub.cpp	Thu Dec 17 08:41:52 2009 +0200
@@ -0,0 +1,128 @@
+/*
+* 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:  Publish & Subscribe property change observer implementation
+*
+*/
+
+
+
+// INCLUDE FILES
+#include "MIMPSSystemNotifierObserver.h"
+#include "CIMPSSystemNotifierPubSub.h"
+#include "CIMPSPropertyObserver.h"
+#include "IMPSSystemNotifyDefs.h"
+
+#include <sacls.h>
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CIMPSSystemNotifierPubSub::CIMPSSystemNotifierPubSub
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+//
+CIMPSSystemNotifierPubSub::CIMPSSystemNotifierPubSub(
+    MIMPSSystemNotifierObserver& aObserver,
+    const TUid aKey
+)
+        : iObserver( aObserver ),
+        iKey( aKey )
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// CIMPSSystemNotifierPubSub::ConstructL
+// Symbian 2nd phase constructor can leave.
+// -----------------------------------------------------------------------------
+//
+void CIMPSSystemNotifierPubSub::ConstructL()
+    {
+    iPropertyObserver = CIMPSPropertyObserver::NewL( *this );
+    }
+
+// -----------------------------------------------------------------------------
+// CIMPSSystemNotifierPubSub::NewL
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CIMPSSystemNotifierPubSub* CIMPSSystemNotifierPubSub::NewL(
+    MIMPSSystemNotifierObserver& aObserver,
+    TUid aKey )
+    {
+    CIMPSSystemNotifierPubSub* self =
+        new( ELeave ) CIMPSSystemNotifierPubSub( aObserver, aKey );
+
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop();
+
+    return self;
+    }
+
+
+// Destructor
+CIMPSSystemNotifierPubSub::~CIMPSSystemNotifierPubSub()
+    {
+    delete iPropertyObserver;
+    }
+
+
+// -----------------------------------------------------------------------------
+// CIMPSSystemNotifierPubSub::Subscribe
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+TInt CIMPSSystemNotifierPubSub::Subscribe()
+    {
+    TInt err( KErrNone );
+    TRAP( err,
+          iPropertyObserver->ObservePropertyChangeL( KUidSystemCategory, iKey.iUid ) );
+    return err;
+    }
+
+// -----------------------------------------------------------------------------
+// CIMPSSystemNotifierPubSub::UnSubscribe
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CIMPSSystemNotifierPubSub::UnSubscribe()
+    {
+    iPropertyObserver->CancelObserve();
+    }
+
+// -----------------------------------------------------------------------------
+// CIMPSSystemNotifierPubSub::GetIntKey
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+TInt CIMPSSystemNotifierPubSub::GetIntKey( TInt& aValue )
+    {
+    TInt err = RProperty::Get( KUidSystemCategory, iKey.iUid, aValue );
+    return err;
+    }
+
+// -----------------------------------------------------------------------------
+// CIMPSSystemNotifierPubSub::HandlePropertyNotificationEventL( TUid /*aCategory*/, TUint /*aKey*/ )
+//
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CIMPSSystemNotifierPubSub::HandlePropertyNotificationEventL( TUid /*aCategory*/, TUint /*aKey*/ )
+    {
+    TInt value( KErrNone );
+    User::LeaveIfError( RProperty::Get( KUidSystemCategory, iKey.iUid, value ) );
+    iObserver.HandleSystemNotifierEventL( iKey, value );
+    }
+