code.vuplus.com Git - vuplus_dvbapp/blob - lib/python/Components/BlinkingPixmap.py

   1 from HTMLComponent import *
   2 from GUIComponent import *
   3
   4 from Pixmap import Pixmap
   5
   6 from enigma import *
   7
   8 import time
   9
  10 class BlinkingPixmap(GUIComponent, Pixmap):
  11         SHOWN = 0
  12         HIDDEN = 1
  13
  14         def __init__(self, filename):
  15                 Pixmap.__init__(self)
  16                 GUIComponent.__init__(self)
  17
  18                 self.filename = filename
  19
  20                 self.state = self.SHOWN
  21                 self.blinking = False
  22
  23                 self.setBlinkTime(500)
  24
  25                 self.timer = eTimer()
  26                 self.timer.timeout.get().append(self.blink)
  27
  28
  29         def createWidget(self, parent):
  30                 return self.getePixmap(parent, self.filename)
  31
  32         def removeWidget(self, w):
  33                 pass
  34
  35         def showPoint(self):
  36                 print "Show point"
  37                 self.state = self.SHOWN
  38                 self.instance.show()
  39
  40         def hidePoint(self):
  41                 print "Hide point"
  42                 self.state = self.HIDDEN
  43                 self.instance.hide()
  44
  45         def setBlinkTime(self, time):
  46                 self.blinktime = time
  47
  48         def blink(self):
  49                 if self.blinking == True:
  50                         if (self.state == self.SHOWN):
  51                                 self.hidePoint()
  52                         elif (self.state == self.HIDDEN):
  53                                 self.showPoint()
  54
  55         def startBlinking(self):
  56                 self.blinking = True
  57                 self.timer.start(self.blinktime)
  58
  59         def stopBlinking(self):
  60                 self.blinking = False
  61                 if (self.state == self.SHOWN):
  62                         self.hidePoint()
  63                 self.timer.stop()
  64
  65 class BlinkingPixmapConditional(BlinkingPixmap):
  66         def __init__(self, filename):
  67                 BlinkingPixmap.__init__(self, filename)
  68
  69                 self.setConnect(None)
  70
  71                 self.conditionCheckTimer = eTimer()
  72                 self.conditionCheckTimer.timeout.get().append(self.conditionallyBlink)
  73                 self.conditionCheckTimer.start(1000)
  74
  75         def setConnect(self, conditionalFunction):
  76                 self.conditionalFunction = conditionalFunction
  77
  78         def conditionallyBlink(self):
  79                 try:
  80                         self.conditionalFunction() # check, if the conditionalfunction is still valid
  81                 except:
  82                         self.conditionalFunction = None
  83                         self.stopBlinking()
  84
  85                 if self.conditionalFunction != None:
  86                         if self.conditionalFunction(): # we shall blink
  87                                 if self.blinking: # we are already blinking
  88                                         pass
  89                                 else: # we don't blink
  90                                         self.startBlinking()
  91                         else: # we shall not blink
  92                                 if self.blinking: # we are blinking
  93                                         self.stopBlinking()
  94                                 else: # we don't blink
  95                                         pass