Picons für IPTV Channels

class XPicon(Renderer):
	searchPaths = ('/media/hdd/XPicons/%s/','/media/img/XPicons/%s/','/media/usb/XPicons/%s/','/usr/share/enigma2/XPicons/%s/','/usr/share/enigma2/%s/', '/media/usb/%s/')


	def __init__(self):
		Renderer.__init__(self)
		self.path = "picon"
		self.nameCache = { }
		self.pngname = ""


	def applySkin(self, desktop, parent):
		attribs = [ ]
		for (attrib, value) in self.skinAttributes:
			if attrib == "path":
				self.path = value
			else:
				attribs.append((attrib,value))
		self.skinAttributes = attribs
		return Renderer.applySkin(self, desktop, parent)


	GUI_WIDGET = ePixmap


	def changed(self, what):
		if self.instance:
			pngname = ""
			if what[0] != self.CHANGED_CLEAR:
				
				sname = self.source.text
				pos = sname.rfind(':')
				if pos != -1:
					sname = sname[:pos].rstrip(':').replace(':','_')
                                    	sname = sname.split("_http")[0]
				pngname = self.nameCache.get(sname, "")
				if pngname == "":
					pngname = self.findPicon(sname)
					if pngname != "":
						self.nameCache[sname] = pngname
			if pngname == "": # no picon for service found
				pngname = self.nameCache.get("default", "")
				if pngname == "": # no default yet in cache..
					pngname = self.findPicon("picon_default")
					if pngname == "":
						tmp = resolveFilename(SCOPE_CURRENT_SKIN, "picon_default.png")
						if fileExists(tmp):
							pngname = tmp
						else:
							pngname = resolveFilename(SCOPE_SKIN_IMAGE, "skin_default/picon_default.png")
					self.nameCache["default"] = pngname
			if self.pngname != pngname:
				if pngname:
					if config.plugins.MyMetrix.ScalePicons.value == "scale-picons-yes":
						self.instance.setScale(1)
					self.instance.setPixmapFromFile(pngname)
					self.instance.show()
				else:
					self.instance.hide()
				self.pngname = pngname
				
	def findPicon(self, serviceName):
		for path in self.searchPaths:
			pngname = (path % self.path) + serviceName + ".png"
			if fileExists(pngname):
				return pngname
		return ""