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