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from HTMLComponent import *
from GUIComponent import *
from Pixmap import Pixmap
from enigma import *
import time
class BlinkingPixmap(GUIComponent, Pixmap):
SHOWN = 0
HIDDEN = 1
def __init__(self):
Pixmap.__init__(self)
GUIComponent.__init__(self)
self.state = self.SHOWN
self.blinking = False
self.setBlinkTime(500)
self.timer = eTimer()
self.timer.timeout.get().append(self.blink)
def createWidget(self, parent):
return self.getePixmap(parent)
def removeWidget(self, w):
pass
def showPixmap(self):
print "Show pixmap"
self.state = self.SHOWN
self.instance.show()
def hidePixmap(self):
print "Hide pixmap"
self.state = self.HIDDEN
self.instance.hide()
def setBlinkTime(self, time):
self.blinktime = time
def blink(self):
if self.blinking == True:
if (self.state == self.SHOWN):
self.hidePixmap()
elif (self.state == self.HIDDEN):
self.showPixmap()
def startBlinking(self):
self.blinking = True
self.timer.start(self.blinktime)
def stopBlinking(self):
self.blinking = False
if (self.state == self.SHOWN):
self.hidePixmap()
self.timer.stop()
class BlinkingPixmapConditional(BlinkingPixmap):
def __init__(self):
BlinkingPixmap.__init__(self)
self.setConnect(None)
self.conditionCheckTimer = eTimer()
self.conditionCheckTimer.timeout.get().append(self.conditionallyBlink)
self.conditionCheckTimer.start(1000)
def setConnect(self, conditionalFunction):
self.conditionalFunction = conditionalFunction
def conditionallyBlink(self):
try:
self.conditionalFunction() # check, if the conditionalfunction is still valid
except:
self.conditionalFunction = None
self.stopBlinking()
if self.conditionalFunction != None:
if self.conditionalFunction(): # we shall blink
if self.blinking: # we are already blinking
pass
else: # we don't blink
self.startBlinking()
else: # we shall not blink
if self.blinking: # we are blinking
self.stopBlinking()
else: # we don't blink
pass
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