diff -r 5f0182e07bfb -r 5456b4e8b3a8 idlehomescreen/exths/src/plugincontainer/propertyobserver.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/idlehomescreen/exths/src/plugincontainer/propertyobserver.cpp	Wed Sep 01 12:32:46 2010 +0100
@@ -0,0 +1,134 @@
+/*
+* 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: 
+ *
+*/
+
+
+// INCLUDE FILES
+#include "propertyobserver.h"
+
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CPropertyObserver::CPropertyObserver
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+//
+CPropertyObserver::CPropertyObserver(MPropertyChangeHandler& aHandler,
+                                     const TUid& aCategory,
+                                     const TUint& aKey)
+: CActive( CActive::EPriorityStandard ),
+  iCategory( aCategory ),
+  iKey( aKey ),
+  iHandler( aHandler )
+{
+}
+
+// -----------------------------------------------------------------------------
+// CPropertyObserver::ConstructL
+// Symbian 2nd phase constructor can leave.
+// -----------------------------------------------------------------------------
+//
+void CPropertyObserver::ConstructL(void)
+{
+    CActiveScheduler::Add( this );
+
+    User::LeaveIfError( iProperty.Attach( iCategory, iKey ) );
+
+    // Start observing...
+    Subscribe();
+
+    // Notify the initial value if needed...
+//    NotifyCurrentValue();
+}
+
+// -----------------------------------------------------------------------------
+// CPropertyObserver::NewL
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CPropertyObserver* CPropertyObserver::NewL(MPropertyChangeHandler& aHandler,
+                                           const TUid& aCategory,
+                                           const TUint& aKey)
+{
+    CPropertyObserver* self = new( ELeave )CPropertyObserver( aHandler, aCategory, aKey );
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+    return self;
+}
+
+// Destructor
+CPropertyObserver::~CPropertyObserver()
+{
+    Deque();
+    iProperty.Cancel();
+    iProperty.Close();
+}
+
+// -----------------------------------------------------------------------------
+// CPropertyObserver::RunL
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CPropertyObserver::RunL(void)
+{
+    if( iStatus.Int() == KErrNone )
+    {
+        Subscribe();
+        NotifyCurrentValue();
+    }
+}
+
+// -----------------------------------------------------------------------------
+// CPropertyObserver::DoCancel
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CPropertyObserver::DoCancel(void)
+{
+    iProperty.Cancel();
+}
+
+// -----------------------------------------------------------------------------
+// CPropertyObserver::Subscribe
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CPropertyObserver::Subscribe(void)
+{
+    iProperty.Subscribe( iStatus );
+    SetActive();
+}
+
+// -----------------------------------------------------------------------------
+// CPropertyObserver::NotifyCurrentValue
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CPropertyObserver::NotifyCurrentValue(void)
+{
+    TInt value;
+
+    if( iProperty.Get( iCategory, iKey, value ) == KErrNone )
+    {
+        iHandler.HandlePropertyChange( iCategory, iKey, value );
+    }
+}
+
+
+// End of File