show radio (rds) text when available... feel free to make it nicer

[enigma2.git] / lib / python / Components / config.py

diff --git a/lib/python/Components/config.py b/lib/python/Components/config.py
index cf94614ce56ca7cfacfe6e30ed8bb2a98c45e366..b16b93e343fb65596a52606640eb9b0fa58331aa 100644 (file)
--- a/lib/python/Components/config.py
+++ b/lib/python/Components/config.py
@@ -71,19 +71,20 @@ class ConfigElement(object):
                for x in self.notifiers:
                        x(self)
                        
-       def addNotifier(self, notifier):
+       def addNotifier(self, notifier, initial_call = True):
                assert callable(notifier), "notifiers must be callable"
                self.notifiers.append(notifier)
-               
+
                # CHECKME:
                # do we want to call the notifier
-               #  - at all when adding it? (yes)
+               #  - at all when adding it? (yes, though optional)
                #  - when the default is active? (yes)
                #  - when no value *yet* has been set,
                #    because no config has ever been read (currently yes)
                #    (though that's not so easy to detect.
                #     the entry could just be new.)
-               notifier(self)
+               if initial_call:
+                       notifier(self)
 
        def disableSave(self):
                self.save_disabled = True