git.maemo.org Git - tablet-suite/blob - src/.svn/text-base/battery.py.svn-base

   1 #!/usr/bin/python
   2
   3 # Ainda continua sendo o codigo do cara, apenas retirei as partes que nao nos interessa.
   4 # Ainda tem que ver se pode usar o codigo, ou seja, olhar a licensa.
   5 # Deve ser istalado no dispositivo
   6 # Otacilio Lacerda
   7
   8 import dbus
   9 import dbus.service
  10 import dbus.glib
  11 import gobject
  12
  13 percent_left = -1
  14 charging = False
  15
  16 loop = gobject.MainLoop()
  17
  18 class Request(dbus.service.Object):
  19     def __init__(self, bus_name):
  20         dbus.service.Object.__init__(self, bus_name, '/com/nokia/bme/request')
  21
  22     @dbus.service.signal('com.nokia.bme.request')
  23     def timeleft_info_req(self):
  24         pass
  25
  26     @dbus.service.signal('com.nokia.bme.request')
  27     def status_info_req(self):
  28         pass
  29
  30 def timeleft_handler(idle_time, active_time):
  31     global percent_left
  32     percent_left = min(100, 100.0 * idle_time / 15000)
  33     loop.quit()
  34
  35 def charging_on_handler():
  36     global charging
  37     charging = True
  38     loop.quit()
  39
  40 def charging_off_handler():
  41     global charging
  42     charging = False
  43     loop.quit()
  44
  45 def getBatteryState(request):
  46     global percent_left
  47     global charging
  48
  49     request.status_info_req()
  50     loop.run()
  51
  52     if charging:
  53         return -1
  54     request.timeleft_info_req()
  55     loop.run()
  56     return percent_left
  57
  58 if __name__ == "__main__":
  59
  60     bus = dbus.SystemBus(private = True)
  61     bus.add_signal_receiver(timeleft_handler, 'battery_timeleft')
  62     bus.add_signal_receiver(charging_on_handler, 'charger_charging_on')
  63     bus.add_signal_receiver(charging_on_handler, 'battery_full')
  64     bus.add_signal_receiver(charging_off_handler, 'charger_charging_off')
  65     bus_name = dbus.service.BusName('com.nokia.bme.request', bus)
  66     request = Request(bus_name)
  67
  68     percent = getBatteryState(request)
  69     if percent < 0:
  70         print '-1'
  71     else:
  72         print '%.1f' % (percent)
  73