notif.py

   1 class Notifier(object):
   2         """Give notification"""
   3         def __init__(self):
   4                 self.__notifyList = set()
   5
   6         def addNotif(self,x):
   7                 self.__notifyList.add(x)
   8
   9         def removeNotif(self,x):
  10                 self.__notifyList.remove(x)
  11
  12         def doNotify(self):
  13                 tempNotifyList = list(self.__notifyList)
  14                 for x in tempNotifyList:
  15                         x.OnNotif()
  16
  17
  18 class Notifiable(object):
  19         """Receive notification"""
  20         def __init__(self):
  21                 pass
  22
  23         def OnNotif(self):
  24                 pass