lib/python/Screens/ChannelSelection.py

   1 from Screen import Screen
   2 from Components.Button import Button
   3 from Components.ServiceList import ServiceList
   4 from Components.ActionMap import ActionMap
   5 from EpgSelection import EPGSelection
   6 from enigma import eServiceReference, eEPGCache, eEPGCachePtr, eServiceCenter, eServiceCenterPtr, iMutableServiceListPtr, iStaticServiceInformationPtr, eTimer
   7 from Components.config import config, configElement, ConfigSubsection, configText
   8 from Screens.FixedMenu import FixedMenu
   9
  10 import xml.dom.minidom
  11
  12 class BouquetSelector(FixedMenu):
  13         def __init__(self, session, bouquets, parent):
  14                 self.parent=parent
  15                 entrys = [ ]
  16                 for x in bouquets:
  17                         entrys.append((x[0], self.bouquetSelected, x[1]))
  18                 FixedMenu.__init__(self, session, "Bouquetlist", entrys)
  19                 self.skinName = "Menu"
  20
  21         def bouquetSelected(self):
  22                 self.parent.addCurrentServiceToBouquet(self["menu"].getCurrent()[2])
  23                 self.close()
  24
  25 class ChannelContextMenu(FixedMenu):
  26         def __init__(self, session, csel):
  27                 self.csel = csel
  28
  29                 menu = [ ]
  30
  31                 #HACK
  32                 inBouquetRootList = csel["list"].getRoot().toString().find('FROM BOUQUET "bouquets.') != -1
  33                 inBouquet = csel.getMutableList() is not None
  34
  35                 if not csel.bouquet_mark_edit and not csel.movemode and not inBouquetRootList:
  36                         menu.append(("add service to bouquet", self.addServiceToBouquetSelected))
  37                         if inBouquet:
  38                                 menu.append(("remove service", self.removeCurrentService))
  39
  40                 if inBouquet: # current list is editable?
  41                         if not csel.bouquet_mark_edit:
  42                                 if not csel.movemode:
  43                                         menu.append(("enable move mode", self.toggleMoveMode))
  44                                         if not inBouquetRootList:
  45                                                 menu.append(("enable bouquet edit", self.bouquetMarkStart))
  46                                 else:
  47                                         menu.append(("disable move mode", self.toggleMoveMode))
  48                         elif not inBouquetRootList:
  49                                 menu.append(("end bouquet edit", self.bouquetMarkEnd))
  50                                 menu.append(("abort bouquet edit", self.bouquetMarkAbort))
  51
  52                 menu.append(("back", self.close))
  53
  54                 FixedMenu.__init__(self, session, "Channel Selection", menu)
  55                 self.skinName = "Menu"
  56
  57         def addServiceToBouquetSelected(self):
  58                 bouquets = [ ]
  59                 serviceHandler = eServiceCenter.getInstance()
  60                 list = serviceHandler.list(self.csel.bouquet_root)
  61                 if not list is None:
  62                         while 1:
  63                                 s = list.getNext()
  64                                 if not s.valid():
  65                                         break
  66                                 if ((s.flags & eServiceReference.flagDirectory) == eServiceReference.flagDirectory):
  67                                         info = serviceHandler.info(s)
  68                                         if not info is None:
  69                                                 str = info.getName(s)
  70                                                 bouquets.append((str, s))
  71                 cnt = len(bouquets)
  72                 if cnt > 1: # show bouquet list
  73                         self.session.open(BouquetSelector, bouquets, self)
  74                 elif cnt == 1: # add to only one existing bouquet
  75                         self.addCurrentServiceToBouquet(bouquet[0][1])
  76                 else: #no bouquets in root.. so assume only one favourite list is used
  77                         self.addCurrentServiceToBouquet(self.csel.bouquet_root)
  78
  79         def addCurrentServiceToBouquet(self, dest):
  80                 self.csel.addCurrentServiceToBouquet(dest)
  81                 self.close()
  82
  83         def removeCurrentService(self):
  84                 self.csel.removeCurrentService()
  85                 self.close()
  86
  87         def toggleMoveMode(self):
  88                 self.csel.toggleMoveMode()
  89                 self.close()
  90
  91         def bouquetMarkStart(self):
  92                 self.csel.startMarkedEdit()
  93                 self.close()
  94
  95         def bouquetMarkEnd(self):
  96                 self.csel.endMarkedEdit(abort=False)
  97                 self.close()
  98
  99         def bouquetMarkAbort(self):
 100                 self.csel.endMarkedEdit(abort=True)
 101                 self.close()
 102
 103 class ChannelSelection(Screen):
 104         def lastService(self):
 105                 self.lastServiceTimer.stop()
 106                 #zap to last running tv service
 107                 self.setRoot(eServiceReference(config.tv.lastroot.value))
 108                 self.session.nav.playService(eServiceReference(config.tv.lastservice.value))
 109
 110         def __init__(self, session):
 111                 Screen.__init__(self, session)
 112
 113                 #config for lastservice
 114                 config.tv = ConfigSubsection();
 115                 config.tv.lastservice = configElement("config.tv.lastservice", configText, "", 0);
 116                 config.tv.lastroot = configElement("config.tv.lastroot", configText, "", 0);
 117
 118                 self.entry_marked = False
 119                 self.movemode = False
 120                 self.bouquet_mark_edit = False
 121                 self.bouquet_root = eServiceReference('1:7:1:0:0:0:0:0:0:0:(type == 1) FROM BOUQUET "bouquets.tv" ORDER BY bouquet')
 122                 self.mutableList = None
 123
 124                 self.__marked = [ ]
 125
 126                 self["key_red"] = Button("All")
 127                 self["key_green"] = Button("Provider")
 128                 self["key_yellow"] = Button("Satellite")
 129                 self["key_blue"] = Button("Favourites")
 130
 131                 self["list"] = ServiceList()
 132
 133                 if config.tv.lastroot.value == "":
 134                         self["list"].setRoot(eServiceReference("""1:0:1:0:0:0:0:0:0:0:(type == 1)"""))
 135                 #self["okbutton"] = Button("ok", [self.channelSelected])
 136
 137                 self.lastServiceTimer = eTimer()
 138                 self.lastServiceTimer.timeout.get().append(self.lastService)
 139                 self.lastServiceTimer.start(100)
 140
 141                 class ChannelActionMap(ActionMap):
 142                         def action(self, contexts, action):
 143                                 if action[:7] == "bouquet":
 144                                         l = self.csel
 145                                         list = l["list"]
 146                                         if action.find("FROM BOUQUET") != -1:
 147                                                 l.setRoot(eServiceReference("1:7:1:0:0:0:0:0:0:0:" + action[8:]))
 148                                         else:
 149                                                 l.setRoot(eServiceReference("1:0:1:0:0:0:0:0:0:0:" + action[8:]))
 150                                 else:
 151                                         if action == "cancel":
 152                                                 l = self.csel
 153                                                 if l.movemode: #movemode active?
 154                                                         l.channelSelected() # unmark
 155                                                         l.toggleMoveMode() # disable move mode
 156                                                 elif l.bouquet_mark_edit:
 157                                                         l.endMarkedEdit(True) # abort edit mode
 158                                         ActionMap.action(self, contexts, action)
 159
 160                 self["actions"] = ChannelActionMap(["ChannelSelectActions", "OkCancelActions", "ContextMenuActions"],
 161                         {
 162                                 "cancel": self.close,
 163                                 "ok": self.channelSelected,
 164                                 "mark": self.doMark,
 165                                 "contextMenu": self.doContext,
 166                                 "showFavourites": self.showFavourites,
 167                     "showEPGList": self.showEPGList
 168                         })
 169                 self["actions"].csel = self
 170
 171         def showEPGList(self):
 172                 ref=self["list"].getCurrent()
 173                 ptr=eEPGCache.getInstance()
 174                 if ptr.startTimeQuery(ref) != -1:
 175                         self.session.open(EPGSelection, ref)
 176                 else:
 177                         print 'no epg for service', ref.toString()
 178
 179         def getMutableList(self, root=eServiceReference()):
 180                 if not self.mutableList is None:
 181                         return self.mutableList
 182                 serviceHandler = eServiceCenter.getInstance()
 183                 if not root.valid():
 184                         root=self["list"].getRoot()
 185                 list = serviceHandler.list(root)
 186                 mutableList = None
 187                 if list is not None:
 188                         mutableList = list.startEdit()
 189                 return mutableList
 190
 191 #  multiple marked entry stuff ( edit mode, later multiepg selection )
 192         def startMarkedEdit(self):
 193                 self.mutableList = self.getMutableList()
 194                 l = self["list"]
 195                 # add all services from the current list to internal marked set in listboxservicecontent
 196                 self.bouquetRoot = l.getRoot()
 197                 self.clearMarks() # this clears the internal marked set in the listboxservicecontent
 198                 self.bouquet_mark_edit = True
 199                 self.__marked = l.getRootServices()
 200                 for x in self.__marked:
 201                         l.addMarked(eServiceReference(x))
 202
 203         def endMarkedEdit(self, abort):
 204                 l = self["list"]
 205                 if not abort and self.mutableList is not None:
 206                         new_marked = set(l.getMarked())
 207                         old_marked = set(self.__marked)
 208                         removed = old_marked - new_marked
 209                         added = new_marked - old_marked
 210                         changed = False
 211                         for x in removed:
 212                                 changed = True
 213                                 self.mutableList.removeService(eServiceReference(x))
 214                         for x in added:
 215                                 changed = True
 216                                 self.mutableList.addService(eServiceReference(x))
 217                         if changed:
 218                                 self.mutableList.flushChanges()
 219                                 self.setRoot(self.bouquetRoot)
 220                                 #self.showFavourites()
 221                 self.__marked = []
 222                 self.clearMarks()
 223                 self.bouquet_mark_edit = False
 224                 self.bouquetRoot = None
 225                 self.mutableList = None
 226
 227         def clearMarks(self):
 228                 self["list"].clearMarks()
 229
 230         def doMark(self):
 231                 ref = self["list"].getCurrent()
 232                 if self["list"].isMarked(ref):
 233                         self["list"].removeMarked(ref)
 234                 else:
 235                         self["list"].addMarked(ref)
 236
 237         def removeCurrentService(self):
 238                 l = self["list"]
 239                 ref = l.getCurrent()
 240                 mutableList = self.getMutableList()
 241                 if ref.valid() and mutableList is not None:
 242                         if mutableList.removeService(ref) == 0:
 243                                 mutableList.flushChanges() #FIXME dont flush on each single removed service
 244                                 self.setRoot(l.getRoot())
 245
 246         def addCurrentServiceToBouquet(self, dest):
 247                 mutableList = self.getMutableList(dest)
 248                 if not mutableList is None:
 249                         if mutableList.addService(self["list"].getCurrent()) == 0:
 250                                 mutableList.flushChanges()
 251                 self.close()
 252
 253         def findService(self, serviceHandler, num, bouquet):
 254                 list = serviceHandler.list(bouquet)
 255                 if not list is None:
 256                         while num > 0:
 257                                 s = list.getNext()
 258                                 if not s.valid():
 259                                         break
 260                                 if s.flags != 0: #assume normal dvb service have no flags set
 261                                         continue
 262                                 num = num - 1;
 263                         if num == 0:
 264                                 return s, 0
 265                 return None, num
 266
 267         def zapToNumber(self, number):
 268                 bouquet = None
 269                 service = None
 270                 serviceHandler = eServiceCenter.getInstance()
 271                 if self.bouquet_root.toString().find('FROM BOUQUET "bouquets.') == -1:
 272                         service, number = self.findService(serviceHandler, number, self.bouquet_root)
 273                         bouquet = self.bouquet_root
 274                 else:
 275                         list = serviceHandler.list(self.bouquet_root)
 276                         if not list is None:
 277                                 while number:
 278                                         s = list.getNext()
 279                                         if not s.valid():
 280                                                 break
 281                                         bouquet = s
 282                                         service, number = self.findService(serviceHandler, number, s)
 283                 if not service is None:
 284                         self.session.nav.playService(service)
 285                         if not bouquet is None:
 286                                 if self["list"].getRoot() != bouquet:
 287                                         self.setRoot(bouquet)
 288                                 self.setCurrent(service)
 289
 290         def setCurrent(self, service):
 291                 self["list"].setCurrent(service)
 292
 293         def getBouquetNumOffset(self, bouquet):
 294                 if self.bouquet_root.toString().find('FROM BOUQUET "bouquets.') == -1:
 295                         return 0
 296                 offset=0
 297                 serviceHandler = eServiceCenter.getInstance()
 298                 list = serviceHandler.list(self.bouquet_root)
 299                 if not list is None:
 300                         while 1:
 301                                 s = list.getNext()
 302                                 if not s.valid() or s == bouquet:
 303                                         break
 304                                 if ((s.flags & eServiceReference.flagDirectory) != eServiceReference.flagDirectory):
 305                                         continue
 306                                 slist = serviceHandler.list(s)
 307                                 if not slist is None:
 308                                         while 1:
 309                                                 ss = slist.getNext()
 310                                                 if not ss.valid():
 311                                                         break
 312                                                 if ss.flags != 0:
 313                                                         continue
 314                                                 offset = offset + 1
 315                 return offset
 316
 317         def setRoot(self, root):
 318                 if not self.movemode: # dont change root when movemode is enabled
 319                         list = self["list"]
 320
 321                         #HACK
 322                         inBouquetRootList = root.toString().find('FROM BOUQUET "bouquets.') != -1
 323
 324                         if not inBouquetRootList and ((root.flags & eServiceReference.flagDirectory) == eServiceReference.flagDirectory):
 325                                 list.setMode(list.MODE_FAVOURITES)
 326                                 offset = self.getBouquetNumOffset(root)
 327                                 list.setNumberOffset(offset)
 328                         else:
 329                                 list.setMode(list.MODE_NORMAL)
 330                         list.setRoot(root)
 331
 332         def channelSelected(self):
 333                 ref = self["list"].getCurrent()
 334                 if self.movemode:
 335                         if self.entry_marked:
 336                                 self["list"].setCurrentMarked(False)
 337                                 self.entry_marked = False
 338                         else:
 339                                 self["list"].setCurrentMarked(True)
 340                                 self.entry_marked = True
 341                 elif (ref.flags & 7) == 7:
 342                         self.setRoot(ref)
 343                 elif self.bouquet_mark_edit:
 344                         self.doMark()
 345                 else:
 346                         self.session.nav.playService(ref)
 347                         self.saveChannel()
 348                         self.close()
 349
 350         #called from infoBar
 351         def zap(self):
 352                 self.session.nav.playService(self["list"].getCurrent())
 353                 self.saveChannel()
 354
 355         def moveUp(self):
 356                 self["list"].moveUp()
 357
 358         def moveDown(self):
 359                 self["list"].moveDown()
 360
 361         def doContext(self):
 362                 self.session.open(ChannelContextMenu, self)
 363
 364         def toggleMoveMode(self):
 365                 if self.movemode:
 366                         if self.entry_marked:
 367                                 self.channelSelected() # unmark current entry
 368                         self.movemode = False
 369                         self.mutableList.flushChanges() # FIXME add check if changes was made
 370                         self.mutableList = None
 371                 else:
 372                         self.mutableList = self.getMutableList()
 373                         self.movemode = True
 374
 375         def showFavourites(self):
 376                 self.setRoot(self.bouquet_root)
 377
 378         def saveRoot(self, root):
 379                 if root is not None:
 380                         config.tv.lastroot.value = root.toString()
 381                         config.tv.lastroot.save()
 382
 383         def saveChannel(self):
 384                 ref = self.session.nav.getCurrentlyPlayingServiceReference()
 385                 if ref is not None:
 386                         refstr = ref.toString()
 387                 else:
 388                         refstr = ""
 389                 config.tv.lastservice.value = refstr
 390                 config.tv.lastservice.save()