Fadeouts and gain

gig.py

@@ -24,6 +24,8 @@ class EventRunner:
         self._playing = None
         self._active = []
         self._currentitem = None
+        for item in self._gigconfig['items']:
+            self._gigconfig['items'][item].set_eventrunner(self)
 
     def set_audiencecontent(self, audiencecontent):
         for item in self._gigconfig['items']:
@@ -75,7 +77,8 @@ class EventRunner:
         self._playing = None
         self._selected = None
         for event in self._active:
-            event.stop()
+            if event is not None:
+                event.stop()
         self._active = []
         if self._currentitem is not None:
             self._currentitem.reset()
@@ -84,6 +87,17 @@ class EventRunner:
         event.start()
         self._active.append(event)
 
+    def notify(self, *args, **kwargs):
+        for event in self._active:
+            if event is not None:
+                event.notify(*args, **kwargs)
+
+    def finished(self, event):
+        # We might get called back here from within a notify or other such construct
+        for i, e in enumerate(self._active):
+            if e is event:
+                self._active[i] = None
+
     def pause(self):
         pass