Experimenting with my first idl file. This interface will allow us to have the application (or the code that wants to run a url) to be a listener on that url. we'd like to see something like this get pushed into netlib.

mailnews/base/public/nsIUrlListener.idl

@@ -0,0 +1,26 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * The contents of this file are subject to the Netscape Public License
+ * Version 1.0 (the "NPL"); you may not use this file except in
+ * compliance with the NPL.  You may obtain a copy of the NPL at
+ * http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the NPL is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
+ * for the specific language governing rights and limitations under the
+ * NPL.
+ *
+ * The Initial Developer of this code under the NPL is Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation.  All Rights
+ * Reserved.
+ */
+ 
+#include "nsISupports.idl"
+
+[object, uuid(45d234d0-c6c9-11d1-bea2-00805f8a66dc)]
+interface nsIUrlListener : nsISupports {
+
+		OnStartRunningUrl(in nsIURL url);
+		OnStopRunningUrl(in nsIURL url, in nsresult errorCode);
+};