fix loading a newsgroup and loading a news message while offline sr=sspitzer 15865

mailnews/news/src/nsNNTPProtocol.cpp

@@ -764,6 +764,9 @@ NS_IMETHODIMP nsNNTPProtocol::AsyncOpen(nsIStreamListener *listener, nsISupports
     mailnewsUrl->GetMsgIsInLocalCache(&msgIsInLocalCache);
     if (msgIsInLocalCache)
     {
+      nsXPIDLCString group;
+      nsXPIDLCString commandSpecificData;
+      rv = ParseURL(m_url, getter_Copies(group), &m_messageID, getter_Copies(commandSpecificData));
       nsCOMPtr <nsIMsgFolder> folder = do_QueryInterface(m_newsFolder);
       if (folder && NS_SUCCEEDED(rv))
       {

mailnews/news/src/nsNewsFolder.cpp

@@ -419,6 +419,12 @@ nsMsgNewsFolder::UpdateFolder(nsIMsgWindow *aWindow)
     }
     rv = GetNewMessages(aWindow);
   }
+  if (rv == NS_MSG_ERROR_OFFLINE)
+  {
+    rv = NS_OK;
+    NotifyFolderEvent(mFolderLoadedAtom);
+  }
+
   return rv;
 }