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 destroy(self):
  21                 self.navcore.event.remove(self.event)
  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 enablePolling(self, interval=60000):
  30                 if interval:
  31                         self.poll_timer.start(interval)
  32                 else:
  33                         self.poll_timer.stop()
  34
  35         def disablePolling(self):
  36                 self.enablePolling(interval=0)
  37
  38         def poll(self):
  39                 pass
  40
  41 class PerServiceDisplay(PerServiceBase, VariableText):
  42         """Mixin for building components which display something which changes on navigation events, for example "service name" """
  43         def __init__(self, navcore, eventmap):
  44                 VariableText.__init__(self)
  45                 PerServiceBase.__init__(self, navcore, eventmap)
  46
  47         def createWidget(self, parent):
  48                 # by default, we use a label to display our data.
  49                 g = eLabel(parent)
  50                 return g
  51
  52 class PerServiceDisplayProgress(GUIComponent, VariableValue, PerServiceBase):
  53         def __init__(self, navcore, eventmap):
  54                 GUIComponent.__init__(self)
  55                 VariableValue.__init__(self)
  56                 self.eventmap = eventmap
  57                 self.navcore = navcore
  58                 self.navcore.event.append(self.event)
  59
  60                 # start with stopped state, so simulate that
  61                 self.event(iPlayableService.evEnd)
  62
  63         def createWidget(self, parent):
  64                 # by default, we use a label to display our data.
  65                 self.g = eSlider(parent)
  66                 return self.g