lib/python/Components/PerServiceDisplay.py

   1 from GUIComponent import *
   2 from VariableText import *
   3 from VariableValue import *
   4
   5 from enigma import iPlayableService
   6 from enigma import eLabel, eSlider, eTimer
   7
   8 class PerServiceBase(object):
   9         def __init__(self, navcore, eventmap):
  10                 self.eventmap = eventmap
  11                 self.navcore = navcore
  12                 self.navcore.event.append(self.event)
  13                 self.poll_timer = eTimer()
  14                 self.poll_timer.timeout.get().append(self.poll)
  15
  16                 # start with stopped state, so simulate that
  17                 self.event(iPlayableService.evEnd)
  18
  19         def destroy(self):
  20                 self.navcore.event.remove(self.event)
  21
  22         def event(self, ev):
  23                 # loop up if we need to handle this event
  24                 if self.eventmap.has_key(ev):
  25                         # call handler
  26                         self.eventmap[ev]()
  27
  28         def enablePolling(self, interval=60000):
  29                 if interval:
  30                         self.poll_timer.start(interval)
  31                 else:
  32                         self.poll_timer.stop()
  33
  34         def disablePolling(self):
  35                 self.enablePolling(interval=0)
  36
  37         def poll(self):
  38                 pass
  39
  40 class PerServiceDisplay(PerServiceBase, VariableText, GUIComponent):
  41         """Mixin for building components which display something which changes on navigation events, for example "service name" """
  42         def __init__(self, navcore, eventmap):
  43                 GUIComponent.__init__(self)
  44                 VariableText.__init__(self)
  45                 PerServiceBase.__init__(self, navcore, eventmap)
  46
  47         GUI_WIDGET = eLabel
  48
  49 class PerServiceDisplayProgress(PerServiceBase, VariableValue, GUIComponent):
  50         def __init__(self, navcore, eventmap):
  51                 GUIComponent.__init__(self)
  52                 VariableValue.__init__(self)
  53                 self.eventmap = eventmap
  54                 self.navcore = navcore
  55                 self.navcore.event.append(self.event)
  56
  57                 # start with stopped state, so simulate that
  58                 self.event(iPlayableService.evEnd)
  59
  60         GUI_WIDGET = eSlider