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