lib/python/Screens/Scart.py

   1 from Screen import Screen
   2 from MessageBox import MessageBox
   3 from Components.AVSwitch import AVSwitch
   4
   5 class Scart(Screen):
   6         def __init__(self, session, start_visible=True):
   7                 Screen.__init__(self, session)
   8
   9                 self.avswitch = AVSwitch()
  10
  11                 if start_visible:
  12                         self.onExecBegin.append(self.showMessageBox)
  13                         self.msgVisible = None
  14                 else:
  15                         self.msgVisible = False
  16
  17         def showMessageBox(self):
  18                 if self.msgVisible is None:
  19                         self.onExecBegin.remove(self.showMessageBox)
  20                         self.msgVisible = False
  21
  22                 if not self.msgVisible:
  23                         self.msgVisible = True
  24                         self.avswitch.setInput("SCART")
  25                         self.msgBox = self.session.openWithCallback(self.MsgBoxClosed, MessageBox, _("If you see this, something is wrong with\nyour scart connection. Press OK to return."), MessageBox.TYPE_ERROR)
  26
  27         def MsgBoxClosed(self, *val):
  28                 self.msgBox = None
  29                 self.switchToTV()
  30
  31         def switchToTV(self, *val):
  32                 if self.msgVisible:
  33                         if self.msgBox:
  34                                 self.msgBox.close() # ... MsgBoxClosed -> switchToTV again..
  35                                 return
  36                         self.avswitch.setInput("ENCODER")
  37                         self.msgVisible = False