add comment on background request

git-svn-id: http://ltt.polymtl.ca/svn@716 04897980-b3bd-0310-b5e0-8ef037075253

diff --git a/ltt/branches/poly/lttv/modules/gui/controlflow/eventhooks.c b/ltt/branches/poly/lttv/modules/gui/controlflow/eventhooks.c
index 3b779352201c0e31f9be48f65084cbde8c813c6b..f88e3cf8c7a2f701c733052f71f792cd7c71ff73 100644 (file)
--- a/ltt/branches/poly/lttv/modules/gui/controlflow/eventhooks.c
+++ b/ltt/branches/poly/lttv/modules/gui/controlflow/eventhooks.c
@@ -206,7 +206,13 @@ void request_background_data(ControlFlowData *control_flow_data)
                                                    background_ready_hook);
         control_flow_data->background_info_waiting++;
       }
+    } else {
+      /* Data ready. Be its nature, this viewer doesn't need to have
+       * its data ready hook called htere, because a background
+       * request is always linked with a redraw.
+       */
     }
+    
   }
 
   lttv_hooks_destroy(background_ready_hook);