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