diff -r 000000000000 -r 094583676ce7 inc/mimpsconnuipresenceeventobserverng.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/inc/mimpsconnuipresenceeventobserverng.h	Thu Dec 17 08:41:52 2009 +0200
@@ -0,0 +1,84 @@
+/*
+* Copyright (c) 2003 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 interface to get notifications from presence events.
+*
+*/
+
+#ifndef __MIMPSCONNUIPRESENCEEVENTOBSERVERNG_H
+#define __MIMPSCONNUIPRESENCEEVENTOBSERVERNG_H
+
+#include <E32Std.h>
+#include <impspresenceconnectionuiconstsng.h>
+
+
+//FORWARD DECLARATION
+class CIMPSConnUiPresEventNotifier;
+class CPEngNWSessionSlotID2;
+
+/**
+ * Observer interface to get notifcations from
+ * presence events.
+ *
+ * This interface can be reqisterd both standard
+ * event notifier (CIMPSConnUiPresEventNotifier)
+ * and the client filtered event notifier
+ * (CIMPSConnUiClntFilteredPresEventNotifier).
+ *
+ * @since 2.1
+ */
+NONSHARABLE_CLASS( MIMPSConnUiPresenceEventObserver )
+    {
+public: //notify methods
+
+    /**
+     * Notifies from presence event.
+     *
+     * If event handling causes a leave, leave is
+     * reported back to HandlePresenceEventNotifyError()
+     * callback.
+     *
+     * @since 2.1
+     * @param aNotifier The presence notifier where this
+     * event is coming from.
+     * @param aEvent The presence event.
+     */
+    virtual void HandlePresenceEventL( CIMPSConnUiPresEventNotifier* aNotifier,
+                                       const CPEngNWSessionSlotID2& aSessionSlotID,
+                                       TIMPSConnectionClient aClient,
+                                       TIMPSPresenceServiceEvent aEvent ) = 0;
+
+
+    /**
+     * Called when presence event listening or event
+     * handling fails.
+     *
+     * Here is reported both errors from handling the
+     * actual event and also asynchronously the errors
+     * coming from starting the presence notify.
+     *
+     * When reporting the error, the notifier is stopped.
+     * However, the observer may restart the notifier
+     * during the notify callback if desired so.
+     *
+     * @since 2.1
+     * @param aNotifier The presence notifier where this
+     * error is coming from.
+     * @param aError is the error code.
+     */
+    virtual void HandlePresenceEventNotifyError( CIMPSConnUiPresEventNotifier* aNotifier,
+                                                 TInt aError ) = 0;
+    };
+
+
+#endif //__MIMPSCONNUIPRESENCEEVENTOBSERVERNG_H