add concept of 'related screen', which can be used to get shared sources (like clock...

[enigma2.git] / lib / python / Screens / Screen.py

diff --git a/lib/python/Screens/Screen.py b/lib/python/Screens/Screen.py
index ed61d9d68bce68e615d4181bc2564a7cfaa156d9..4e3b117e94cf050c0dd3285b72d00405ebc5441d 100644 (file)
--- a/lib/python/Screens/Screen.py
+++ b/lib/python/Screens/Screen.py
@@ -7,9 +7,12 @@ class Screen(dict, HTMLSkin, GUISkin):
 
        ALLOW_SUSPEND = False
 
-       def __init__(self, session):
+       global_scren = None
+
+       def __init__(self, session, parent = None):
                self.skinName = self.__class__.__name__
                self.session = session
+               self.parent = parent
                GUISkin.__init__(self)
 
                self.onClose = [ ]
@@ -140,3 +143,13 @@ class Screen(dict, HTMLSkin, GUISkin):
 
        def __repr__(self):
                return str(type(self))
+
+       def getRelatedScreen(self, name):
+               if name == "session":
+                       return self.session.screen
+               elif name == "parent":
+                       return self.parent
+               elif name == "global":
+                       return self.global_screen
+               else:
+                       return None