Disable auto-refresh on error; show something in case of net operations fail

mitterlib/ui/ui_pygtk.py

@@ -624,12 +624,6 @@ class Interface(object):
                 self._exception_get_messages,
                 self._connection.messages)
 
-        # queue the next auto-refresh
-        interval = self._options[self.NAMESPACE]['refresh_interval']
-        _log.debug('Queueing next refresh in %d minutes', interval)
-        self._refresh_id = gobject.timeout_add(
-                interval * 60 * 1000,
-                self._refresh, None)
         return
 
     def _clear_reply(self):
@@ -910,12 +904,30 @@ class Interface(object):
             store.prepend([message])
         store.sort_column_changed()
         self._grid.queue_draw()
+
+        # once our update went fine, we can queue the next one. This avoids
+        # any problems if case there is an exception.
+
+        interval = self._options[self.NAMESPACE]['refresh_interval']
+        _log.debug('Queueing next refresh in %d minutes', interval)
+        self._refresh_id = gobject.timeout_add(
+                interval * 60 * 1000,
+                self._refresh, None)
         return
 
     def _exception_get_messages(self, widget, exception):
         """Function called if the retrival of current messages returns an
         exception."""
         _log.debug(str(exception))
+        error_win = gtk.MessageDialog(parent=self._main_window,
+                type=gtk.MESSAGE_ERROR,
+                message_format='Error retrieving current messages. ' \
+                        'Auto-refresh disabled. Use the "Refresh" option ' \
+                        'to re-enable it.',
+                buttons=gtk.BUTTONS_OK)
+        error_win.run()
+        error_win.hide()
+        self._update_statusbar('Auto-update disabled')
         return
 
     ### image download function
@@ -966,6 +978,13 @@ class Interface(object):
         # TODO: Need the check the type of exception we got.
         _log.debug('Update error')
         _log.debug(str(exception))
+        error_win = gtk.MessageDialog(parent=self._main_window,
+                type=gtk.MESSAGE_ERROR,
+                message_format='Error updating your status. Please ' \
+                        'try again.',
+                buttons=gtk.BUTTONS_OK)
+        error_win.run()
+        error_win.hide()
         return
 
     ### Results for the delete message call
@@ -995,6 +1014,14 @@ class Interface(object):
         """Called when the message cannot be reposted."""
         _log.debug('Repost error.')
         _log.debug(str(exception))
+
+        error_win = gtk.MessageDialog(parent=self._main_window,
+                type=gtk.MESSAGE_ERROR,
+                message_format='Error reposting message. Please ' \
+                        'try again.',
+                buttons=gtk.BUTTONS_OK)
+        error_win.run()
+        error_win.hide()
         return
 
     # ------------------------------------------------------------