add ServiceEventTracker

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

diff --git a/lib/python/Components/ServiceEventTracker.py b/lib/python/Components/ServiceEventTracker.py
new file mode 100644 (file)
index 0000000..99c02fa
--- /dev/null
+++ b/lib/python/Components/ServiceEventTracker.py
@@ -0,0 +1,17 @@
+from enigma import pNavigation
+
+class ServiceEventTracker:
+       """Tracks service events into a screen"""
+       
+       def __init__(self, screen, eventmap):
+               self.__eventmap = eventmap
+               self.session = screen.session
+               self.session.nav.event.append(self.__event)
+               screen.onClose.append(self.__del_event)
+
+       def __del_event(self):
+               self.session.nav.event.remove(self.__event)
+
+       def __event(self, ev):
+               if ev in self.__eventmap:
+                       self.__eventmap[ev]()