fixes bug #429

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

diff --git a/lib/python/Components/ServiceEventTracker.py b/lib/python/Components/ServiceEventTracker.py
index 1c42ecc881362fc7907c6d54891919cb327a8882..ee4bf3817650b3c79c2cddcfb013ab65303df78b 100644 (file)
--- a/lib/python/Components/ServiceEventTracker.py
+++ b/lib/python/Components/ServiceEventTracker.py
@@ -14,42 +14,34 @@ class ServiceEventTracker:
        """Tracks service events into a screen"""
        InfoBarStack = [ ]
        InfoBarStackSize = 0
-       oldService = None
+       oldServiceStr = None
+       EventMap = { }
+       navcore = None
 
-       def __init__(self, screen, eventmap):
-               self.__eventmap = eventmap
-               self.screen = screen
-               screen.session.nav.event.append(self.__event)
-               screen.onClose.append(self.__del_event)
-
-       def __del_event(self):
-               self.screen.session.nav.event.remove(self.__event)
-
-       def __event(self, ev):
+       @staticmethod
+       def event(evt):
                set = ServiceEventTracker
-               screen = self.screen
-               nav = screen.session.nav
-               cur_ref = nav.getCurrentlyPlayingServiceReference()
-               old_service_running = set.oldRef and cur_ref and cur_ref == set.oldRef and set.oldService and set.oldService == str(nav.getCurrentService())
-               if not old_service_running:
-                       set.oldService = None
-                       set.oldRef = None
-#              print "old_service_running", old_service_running
-               if ev in self.__eventmap:
+               func_list = set.EventMap.setdefault(evt, [])
+               if func_list:
+                       nav = set.navcore
+                       cur_ref = nav.getCurrentlyPlayingServiceReference()
+                       old_service_running = set.oldRef and cur_ref and cur_ref == set.oldRef and set.oldServiceStr == nav.getCurrentService().getPtrString()
+                       if not old_service_running and set.oldServiceStr:
+                               set.oldServiceStr = None
+                               set.oldRef = None
                        ssize = set.InfoBarStackSize
                        stack = set.InfoBarStack
-                       if (not isinstance(screen, InfoBarBase) or # let pass all events to screens not derived from InfoBarBase
-                               (not old_service_running and ssize and stack[ssize-1] == screen) or # let pass events from currently running service just to current active screen (derived from InfoBarBase)
-                               (old_service_running and ssize > 1 and stack[ssize-2] == screen)): # let pass events from old running service just to previous active screen (derived from InfoBarBase)
-                               self.__eventmap[ev]()
-#                      else:
-#                              print "ignore event", ev, "for inactive infobar '" + str(self.screen) + "'"
+                       for func in func_list:
+                               if (func[0] or  # let pass all events to screens not derived from InfoBarBase
+                                       (not old_service_running and stack[ssize-1] == func[1]) or # let pass events from currently running service just to current active screen (derived from InfoBarBase)
+                                       (old_service_running and ssize > 1 and stack[ssize-2] == func[1])): # let pass events from old running service just to previous active screen (derived from InfoBarBase)
+                                       func[2]()
 
        @staticmethod
        def setActiveInfoBar(infobar, old_service, old_ref):
                set = ServiceEventTracker
                set.oldRef = old_ref
-               set.oldService = old_service and str(old_service)
+               set.oldServiceStr = old_service and old_service.getPtrString()
                assert infobar not in set.InfoBarStack, "FATAL: Infobar '" + str(infobar) + "' is already active!"
                set.InfoBarStack.append(infobar)
                set.InfoBarStackSize += 1
@@ -60,7 +52,29 @@ class ServiceEventTracker:
                set = ServiceEventTracker
                stack = set.InfoBarStack
                if set.InfoBarStackSize:
+                       nav = set.navcore
                        set.InfoBarStackSize -= 1
                        del stack[set.InfoBarStackSize]
+                       old_service = nav.getCurrentService()
+                       set.oldServiceStr = old_service and old_service.getPtrString()
+                       set.oldRef = nav.getCurrentlyPlayingServiceReference()
 #                      if set.InfoBarStackSize:
 #                              print "ServiceEventTracker reset active '" + str(stack[set.InfoBarStackSize-1]) + "'"
+
+       def __init__(self, screen, eventmap):
+               self.__screen = screen
+               self.__eventmap = eventmap
+               self.__passall = not isinstance(screen, InfoBarBase) # let pass all events to screens not derived from InfoBarBase
+               EventMap = ServiceEventTracker.EventMap
+               if not len(EventMap):
+                       screen.session.nav.event.append(ServiceEventTracker.event)
+                       ServiceEventTracker.navcore = screen.session.nav
+               EventMap = EventMap.setdefault
+               for x in eventmap.iteritems():
+                       EventMap(x[0], []).append((self.__passall, screen, x[1]))
+               screen.onClose.append(self.__del_event)
+
+       def __del_event(self):
+               EventMap = ServiceEventTracker.EventMap.setdefault
+               for x in self.__eventmap.iteritems():
+                       EventMap(x[0], []).remove((self.__passall, self.__screen, x[1]))