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path: root/lib/python/Components/BlinkingPixmap.py
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from HTMLComponent import *
from GUIComponent import *

from Pixmap import *

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, PixmapConditional):
	def __init__(self):
		BlinkingPixmap.__init__(self)
		PixmapConditional.__init__(self)
		
	def activateCondition(self, condition):
		if (condition):
			if self.blinking: # we are already blinking
				pass
			else: # we don't blink
				self.startBlinking()
		else:
			if self.blinking: # we are blinking
				self.stopBlinking()
			else: # we don't blink
				pass