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

   1 ##
   2 ## Picon renderer by Gruffy .. some speedups by Ghost
   3 ##
   4 from Renderer import Renderer
   5 from enigma import ePixmap
   6 from Tools.Directories import pathExists, fileExists, SCOPE_SKIN_IMAGE, resolveFilename
   7
   8 from time import time
   9
  10 class Picon(Renderer):
  11         visible = True
  12         pngname = ""
  13         nameCache = { }
  14         searchPaths = ['/etc/picon/',
  15                                 '/media/cf/picon/',
  16                                 '/media/usb/picon/',
  17                                 '/media/hdd/picon/']
  18
  19         def __init__(self):
  20                 Renderer.__init__(self)
  21
  22         GUI_WIDGET = ePixmap
  23
  24         def changed(self, what):
  25                 if self.instance:
  26                         pngname = ""
  27                         if what[0] != self.CHANGED_CLEAR:
  28                                 sname = self.source.text
  29                                 pngname = self.nameCache.get(sname, "")
  30                                 if pngname == "":
  31                                         pngname = self.findPicon(self.source.text)
  32                                         if pngname == "":
  33                                                 self.nameCache[sname] = pngname
  34                                         else:
  35                                                 self.nameCache[sname] = pngname
  36                         if pngname == "": # no picon for service found
  37                                 pngname = self.nameCache.get("default", "")
  38                                 if pngname == "": # no default yet in cache..
  39                                         pngname = self.findPicon("picon_default")
  40                                         self.nameCache[sname] = pngname
  41                                         if pngname == "": # Fallback to enigma2 logo
  42                                                 pngname = resolveFilename(SCOPE_SKIN_IMAGE, "skin_default/enigma2.png")
  43                                         self.nameCache["default"] = pngname
  44                         if pngname != "":
  45                                 if self.pngname != pngname:
  46                                         self.instance.setPixmapFromFile(pngname)
  47                                         if not self.visible:
  48                                                 self.instance.show()
  49                                                 self.visible=True
  50                         elif self.visible:
  51                                 self.instance.hide()
  52                                 self.visible = False
  53                         self.pngname = pngname
  54
  55         def findPicon(self, serviceName):
  56                 for path in self.searchPaths:
  57                         if pathExists(path):
  58                                 png = self.findFile(path, serviceName)
  59                                 if png != "":
  60                                         return png
  61                 return ""
  62
  63         def findFile(self, path, serviceName):
  64                 pngname = path + serviceName + ".png"
  65                 if fileExists(pngname):
  66                         return pngname
  67                 else:
  68                         for i in range(len(serviceName), 1, -1):
  69                                 if fileExists(path + serviceName[0:i] + ".png"):
  70                                         return path + serviceName[0:i] + ".png"
  71                         return ""