lib/python/Components/MediaPlayer.py

   1 from HTMLComponent import HTMLComponent
   2 from GUIComponent import GUIComponent
   3
   4 from MenuList import MenuList
   5
   6 from Tools.Directories import SCOPE_SKIN_IMAGE, resolveFilename
   7 from os import path
   8
   9 from enigma import eListboxPythonMultiContent, eListbox, RT_VALIGN_CENTER, loadPNG, gFont, eServiceCenter
  10
  11 STATE_PLAY = 0
  12 STATE_PAUSE = 1
  13 STATE_STOP = 2
  14 STATE_REWIND = 3
  15 STATE_FORWARD = 4
  16 STATE_NONE = 5
  17
  18 PlayIcon = loadPNG(resolveFilename(SCOPE_SKIN_IMAGE, "ico_mp_play.png"))
  19 PauseIcon = loadPNG(resolveFilename(SCOPE_SKIN_IMAGE, "ico_mp_pause.png"))
  20 StopIcon = loadPNG(resolveFilename(SCOPE_SKIN_IMAGE, "ico_mp_stop.png"))
  21 RewindIcon = loadPNG(resolveFilename(SCOPE_SKIN_IMAGE, "ico_mp_rewind.png"))
  22 ForwardIcon = loadPNG(resolveFilename(SCOPE_SKIN_IMAGE, "ico_mp_forward.png"))
  23
  24 def PlaylistEntryComponent(serviceref, state):
  25         res = [ serviceref ]
  26         res.append((eListboxPythonMultiContent.TYPE_TEXT,25, 0, 470, 32, 0, RT_VALIGN_CENTER, path.split(serviceref.getPath().split('/')[-1])[1]))
  27         png = None
  28         if state == STATE_PLAY:
  29                 png = PlayIcon
  30         elif state == STATE_PAUSE:
  31                 png = PauseIcon
  32         elif state == STATE_STOP:
  33                 png = StopIcon
  34         elif state == STATE_REWIND:
  35                 png = RewindIcon
  36         elif state == STATE_FORWARD:
  37                 png = ForwardIcon
  38
  39         if png is not None:
  40                 res.append((eListboxPythonMultiContent.TYPE_PIXMAP_ALPHATEST, 5, 0, 16, 16, png))
  41
  42         return res
  43
  44 class PlayList(MenuList, HTMLComponent, GUIComponent):
  45         def __init__(self):
  46                 GUIComponent.__init__(self)
  47                 self.l = eListboxPythonMultiContent()
  48                 self.list = []
  49                 self.l.setList(self.list)
  50                 self.l.setFont(0, gFont("Regular", 18))
  51                 self.l.setItemHeight(22)
  52                 self.currPlaying = -1
  53                 self.oldCurrPlaying = -1
  54                 self.serviceHandler = eServiceCenter.getInstance()
  55
  56         def clear(self):
  57                 del self.list[:]
  58                 self.l.setList(self.list)
  59                 self.currPlaying = -1
  60                 self.oldCurrPlaying = -1
  61
  62         GUI_WIDGET = eListbox
  63
  64         def postWidgetCreate(self, instance):
  65                 instance.setContent(self.l)
  66
  67         def getSelection(self):
  68                 return self.l.getCurrentSelection()[0]
  69
  70         def getSelectionIndex(self):
  71                 return self.l.getCurrentSelectionIndex()
  72
  73         def addFile(self, serviceref):
  74                 self.list.append(PlaylistEntryComponent(serviceref, STATE_NONE))
  75
  76         def deleteFile(self, index):
  77                 if self.currPlaying >= index:
  78                         self.currPlaying -= 1
  79                 del self.list[index]
  80
  81         def setCurrentPlaying(self, index):
  82                 self.oldCurrPlaying = self.currPlaying
  83                 self.currPlaying = index
  84
  85         def updateState(self, state):
  86                 if len(self.list) > self.oldCurrPlaying and self.oldCurrPlaying != -1:
  87                         self.list[self.oldCurrPlaying] = PlaylistEntryComponent(self.list[self.oldCurrPlaying][0], STATE_NONE)
  88                 if self.currPlaying != -1 and self.currPlaying < len(self.list):
  89                         self.list[self.currPlaying] = PlaylistEntryComponent(self.list[self.currPlaying][0], state)
  90                 self.updateList()
  91
  92         def playFile(self):
  93                 self.updateState(STATE_PLAY)
  94
  95         def pauseFile(self):
  96                 self.updateState(STATE_PAUSE)
  97
  98         def stopFile(self):
  99                 self.updateState(STATE_STOP)
 100
 101         def rewindFile(self):
 102                 self.updateState(STATE_REWIND)
 103
 104         def forwardFile(self):
 105                 self.updateState(STATE_FORWARD)
 106
 107         def updateList(self):
 108                 self.l.setList(self.list)
 109
 110         def getCurrentIndex(self):
 111                 return self.currPlaying
 112
 113         def getCurrentEvent(self):
 114                 l = self.l.getCurrentSelection()
 115                 return l and self.serviceHandler.info(l[0]).getEvent(l[0])
 116
 117         def getCurrent(self):
 118                 l = self.l.getCurrentSelection()
 119                 return l and l[0]
 120
 121         def getServiceRefList(self):
 122                 return [ x[0] for x in self.list ]
 123
 124         def __len__(self):
 125                 return len(self.list)