diff -r 000000000000 -r 094583676ce7 IMPSengine/engsrv/src/impspropertyobserver.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/IMPSengine/engsrv/src/impspropertyobserver.cpp	Thu Dec 17 08:41:52 2009 +0200
@@ -0,0 +1,141 @@
+/*
+* 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
+
+
+