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.bouquet_root = eServiceReference('1:7:1:0:0:0:0:0:0:0:(type == 1) FROM BOUQUET "userbouquet.favourites.tv" ORDER BY bouquet')
 121                 self.mutableList = None
 122
 123                 self.__marked = [ ]
 124
 125                 self["key_red"] = Button("All")
 126                 self["key_green"] = Button("Provider")
 127                 self["key_yellow"] = Button("Satellite")
 128                 self["key_blue"] = Button("Favourites")
 129
 130                 self["list"] = ServiceList()
 131                 self.servicelist = self["list"]
 132
 133                 if config.tv.lastroot.value == "":
 134                         self.servicelist.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                                         if action.find("FROM BOUQUET") != -1:
 146                                                 l.setRoot(eServiceReference("1:7:1:0:0:0:0:0:0:0:" + action[8:]))
 147                                         else:
 148                                                 l.setRoot(eServiceReference("1:0:1:0:0:0:0:0:0:0:" + action[8:]))
 149                                 else:
 150                                         if action == "cancel":
 151                                                 l = self.csel
 152                                                 if l.movemode: #movemode active?
 153                                                         l.channelSelected() # unmark
 154                                                         l.toggleMoveMode() # disable move mode
 155                                                 elif l.bouquet_mark_edit:
 156                                                         l.endMarkedEdit(True) # abort edit mode
 157                                         ActionMap.action(self, contexts, action)
 158
 159                 self["actions"] = ChannelActionMap(["ChannelSelectActions", "OkCancelActions", "ContextMenuActions"],
 160                         {
 161                                 "cancel": self.close,
 162                                 "ok": self.channelSelected,
 163                                 "mark": self.doMark,
 164                                 "contextMenu": self.doContext,
 165                                 "showFavourites": self.showFavourites,
 166                                 "showEPGList": self.showEPGList
 167                         })
 168                 self["actions"].csel = self
 169
 170         def showEPGList(self):
 171                 ref=self.servicelist.getCurrent()
 172                 ptr=eEPGCache.getInstance()
 173                 if ptr.startTimeQuery(ref) != -1:
 174                         self.session.open(EPGSelection, ref)
 175                 else:
 176                         print 'no epg for service', ref.toString()
 177
 178         def getMutableList(self, root=eServiceReference()):
 179                 if not self.mutableList is None:
 180                         return self.mutableList
 181                 serviceHandler = eServiceCenter.getInstance()
 182                 if not root.valid():
 183                         root=self.servicelist.getRoot()
 184                 list = serviceHandler.list(root)
 185                 if list is not None:
 186                         return list.startEdit()
 187                 return None
 188
 189 #  multiple marked entry stuff ( edit mode, later multiepg selection )
 190         def startMarkedEdit(self):
 191                 self.mutableList = self.getMutableList()
 192                 # add all services from the current list to internal marked set in listboxservicecontent
 193                 self.bouquetRoot = self.servicelist.getRoot()
 194                 self.clearMarks() # this clears the internal marked set in the listboxservicecontent
 195                 self.bouquet_mark_edit = True
 196                 self.__marked = self.servicelist.getRootServices()
 197                 for x in self.__marked:
 198                         self.servicelist.addMarked(eServiceReference(x))
 199
 200         def endMarkedEdit(self, abort):
 201                 if not abort and self.mutableList is not None:
 202                         new_marked = set(self.servicelist.getMarked())
 203                         old_marked = set(self.__marked)
 204                         removed = old_marked - new_marked
 205                         added = new_marked - old_marked
 206                         changed = False
 207                         for x in removed:
 208                                 changed = True
 209                                 self.mutableList.removeService(eServiceReference(x))
 210                         for x in added:
 211                                 changed = True
 212                                 self.mutableList.addService(eServiceReference(x))
 213                         if changed:
 214                                 self.mutableList.flushChanges()
 215                                 self.setRoot(self.bouquetRoot)
 216                                 #self.showFavourites()
 217                 self.__marked = []
 218                 self.clearMarks()
 219                 self.bouquet_mark_edit = False
 220                 self.bouquetRoot = None
 221                 self.mutableList = None
 222
 223         def clearMarks(self):
 224                 self.servicelist.clearMarks()
 225
 226         def doMark(self):
 227                 ref = self.servicelist.getCurrent()
 228                 if self.servicelist.isMarked(ref):
 229                         self.servicelist.removeMarked(ref)
 230                 else:
 231                         self.servicelist.addMarked(ref)
 232
 233         def removeCurrentService(self):
 234                 ref = self.servicelist.getCurrent()
 235                 mutableList = self.getMutableList()
 236                 if ref.valid() and mutableList is not None:
 237                         if not mutableList.removeService(ref):
 238                                 mutableList.flushChanges() #FIXME dont flush on each single removed service
 239                                 self.setRoot(self.servicelist.getRoot())
 240
 241         def addCurrentServiceToBouquet(self, dest):
 242                 mutableList = self.getMutableList(dest)
 243                 if not mutableList is None:
 244                         if not mutableList.addService(self.servicelist.getCurrent()):
 245                                 mutableList.flushChanges()
 246                 self.close()
 247
 248         def searchNumberHelper(self, serviceHandler, num, bouquet):
 249                 servicelist = serviceHandler.list(bouquet)
 250                 if not servicelist is None:
 251                         while num:
 252                                 serviceIterator = servicelist.getNext()
 253                                 if not serviceIterator.valid(): #check end of list
 254                                         break
 255                                 if serviceIterator.flags: #assume normal dvb service have no flags set
 256                                         continue
 257                                 num -= 1;
 258                         if not num: #found service with searched number ?
 259                                 return serviceIterator, 0
 260                 return None, num
 261
 262         def zapToNumber(self, number):
 263                 bouquet = self.bouquet_root
 264                 service = None
 265                 serviceHandler = eServiceCenter.getInstance()
 266                 if bouquet.toString().find('FROM BOUQUET "bouquets.') == -1: #FIXME HACK
 267                         service, number = self.searchNumberHelper(serviceHandler, number, bouquet)
 268                 else:
 269                         bouquetlist = serviceHandler.list(bouquet)
 270                         if not bouquetlist is None:
 271                                 while number:
 272                                         bouquet = bouquetlist.getNext()
 273                                         if not bouquet.valid(): #check end of list
 274                                                 break
 275                                         if ((bouquet.flags & eServiceReference.flagDirectory) != eServiceReference.flagDirectory):
 276                                                 continue
 277                                         service, number = self.searchNumberHelper(serviceHandler, number, bouquet)
 278                 if not service is None:
 279                         self.session.nav.playService(service) #play service
 280                         if self.servicelist.getRoot() != bouquet: #already in correct bouquet?
 281                                 self.setRoot(bouquet)
 282                         self.servicelist.setCurrent(service) #select the service in servicelist
 283
 284         def getBouquetNumOffset(self, bouquet):
 285                 if self.bouquet_root.toString().find('FROM BOUQUET "bouquets.') == -1: #FIXME HACK
 286                         return 0
 287                 offsetCount = 0
 288                 serviceHandler = eServiceCenter.getInstance()
 289                 bouquetlist = serviceHandler.list(self.bouquet_root)
 290                 if not bouquetlist is None:
 291                         while True:
 292                                 bouquetIterator = bouquetlist.getNext()
 293                                 if not bouquetIterator.valid() or bouquetIterator == bouquet: #end of list or bouquet found
 294                                         break
 295                                 if ((bouquetIterator.flags & eServiceReference.flagDirectory) != eServiceReference.flagDirectory):
 296                                         continue
 297                                 servicelist = serviceHandler.list(bouquetIterator)
 298                                 if not servicelist is None:
 299                                         while True:
 300                                                 serviceIterator = servicelist.getNext()
 301                                                 if not serviceIterator.valid(): #check if end of list
 302                                                         break
 303                                                 if serviceIterator.flags: #playable services have no flags
 304                                                         continue
 305                                                 offsetCount += 1
 306                 return offsetCount
 307
 308         def setRoot(self, root):
 309                 if not self.movemode: # dont change root when movemode is enabled
 310                         inBouquetRootList = root.toString().find('FROM BOUQUET "bouquets.') != -1 #FIXME HACK
 311                         if not inBouquetRootList and ((root.flags & eServiceReference.flagDirectory) == eServiceReference.flagDirectory):
 312                                 self.servicelist.setMode(ServiceList.MODE_FAVOURITES)
 313                                 self.servicelist.setNumberOffset(self.getBouquetNumOffset(root))
 314                         else:
 315                                 self.servicelist.setMode(ServiceList.MODE_NORMAL)
 316                         self.servicelist.setRoot(root)
 317
 318         def channelSelected(self):
 319                 ref = self.servicelist.getCurrent()
 320                 if self.movemode:
 321                         if self.entry_marked:
 322                                 self.servicelist.setCurrentMarked(False)
 323                                 self.entry_marked = False
 324                         else:
 325                                 self.servicelist.setCurrentMarked(True)
 326                                 self.entry_marked = True
 327                 elif (ref.flags & 7) == 7:
 328                         self.setRoot(ref)
 329                 elif self.bouquet_mark_edit:
 330                         self.doMark()
 331                 else:
 332                         self.session.nav.playService(ref)
 333                         self.saveChannel()
 334                         self.close()
 335
 336         #called from infoBar
 337         def zap(self):
 338                 self.session.nav.playService(self.servicelist.getCurrent())
 339                 self.saveChannel()
 340
 341         def moveUp(self):
 342                 self.servicelist.moveUp()
 343
 344         def moveDown(self):
 345                 self.servicelist.moveDown()
 346
 347         def doContext(self):
 348                 self.session.open(ChannelContextMenu, self)
 349
 350         def toggleMoveMode(self):
 351                 if self.movemode:
 352                         if self.entry_marked:
 353                                 self.channelSelected() # unmark current entry
 354                         self.movemode = False
 355                         self.mutableList.flushChanges() # FIXME add check if changes was made
 356                         self.mutableList = None
 357                 else:
 358                         self.mutableList = self.getMutableList()
 359                         self.movemode = True
 360
 361         def showFavourites(self):
 362                 self.setRoot(self.bouquet_root)
 363
 364         def saveRoot(self, root):
 365                 if root is not None:
 366                         config.tv.lastroot.value = root.toString()
 367                         config.tv.lastroot.save()
 368
 369         def saveChannel(self):
 370                 ref = self.session.nav.getCurrentlyPlayingServiceReference()
 371                 if ref is not None:
 372                         refstr = ref.toString()
 373                 else:
 374                         refstr = ""
 375                 config.tv.lastservice.value = refstr
 376                 config.tv.lastservice.save()