lib/python/Screens/InfoBarGenerics.py

   1 from Screen import Screen
   2 from Components.ActionMap import ActionMap, HelpableActionMap
   3 from Components.ActionMap import NumberActionMap
   4 from Components.Label import *
   5 from Components.ProgressBar import *
   6 from Components.config import configfile, configsequencearg
   7 from Components.config import config, configElement, ConfigSubsection, configSequence
   8 from ChannelSelection import ChannelSelection, BouquetSelector
   9
  10 from Components.Pixmap import Pixmap, PixmapConditional
  11 from Components.BlinkingPixmap import BlinkingPixmapConditional
  12 from Components.ServiceName import ServiceName
  13 from Components.EventInfo import EventInfo, EventInfoProgress
  14
  15 from ServiceReference import ServiceReference
  16 from EpgSelection import EPGSelection
  17
  18 from Screens.MessageBox import MessageBox
  19 from Screens.Dish import Dish
  20 from Screens.Standby import Standby
  21 from Screens.EventView import EventViewEPGSelect
  22 from Screens.MinuteInput import MinuteInput
  23 from Components.Harddisk import harddiskmanager
  24
  25 from Components.ServiceEventTracker import ServiceEventTracker
  26
  27 from Tools import Notifications
  28 from Tools.Directories import *
  29
  30 #from enigma import eTimer, eDVBVolumecontrol, quitMainloop
  31 from enigma import *
  32
  33 import time
  34 import os
  35 import bisect
  36
  37 from Components.config import config, currentConfigSelectionElement
  38
  39 # hack alert!
  40 from Menu import MainMenu, mdom
  41
  42 class InfoBarDish:
  43         def __init__(self):
  44                 self.dishDialog = self.session.instantiateDialog(Dish)
  45                 self.onLayoutFinish.append(self.dishDialog.show)
  46
  47 class InfoBarShowHide:
  48         """ InfoBar show/hide control, accepts toggleShow and hide actions, might start
  49         fancy animations. """
  50         STATE_HIDDEN = 0
  51         STATE_HIDING = 1
  52         STATE_SHOWING = 2
  53         STATE_SHOWN = 3
  54
  55         def __init__(self):
  56                 self["ShowHideActions"] = ActionMap( ["InfobarShowHideActions"] ,
  57                         {
  58                                 "toggleShow": self.toggleShow,
  59                                 "hide": self.hide,
  60                         })
  61
  62                 self.__state = self.STATE_SHOWN
  63                 self.__locked = 0
  64
  65                 self.onExecBegin.append(self.show)
  66
  67                 self.hideTimer = eTimer()
  68                 self.hideTimer.timeout.get().append(self.doTimerHide)
  69                 self.hideTimer.start(5000, True)
  70
  71                 self.onShow.append(self.__onShow)
  72                 self.onHide.append(self.__onHide)
  73
  74         def __onShow(self):
  75                 self.__state = self.STATE_SHOWN
  76                 self.startHideTimer()
  77
  78         def startHideTimer(self):
  79                 if self.__state == self.STATE_SHOWN and not self.__locked:
  80                         self.hideTimer.start(5000, True)
  81
  82         def __onHide(self):
  83                 self.__state = self.STATE_HIDDEN
  84
  85         def doShow(self):
  86                 self.show()
  87                 self.startHideTimer()
  88
  89         def doTimerHide(self):
  90                 self.hideTimer.stop()
  91                 if self.__state == self.STATE_SHOWN:
  92                         self.hide()
  93
  94         def toggleShow(self):
  95                 if self.__state == self.STATE_SHOWN:
  96                         self.hide()
  97                         self.hideTimer.stop()
  98                 elif self.__state == self.STATE_HIDDEN:
  99                         self.show()
 100
 101         def lockShow(self):
 102                 self.__locked = self.__locked + 1
 103                 if self.execing:
 104                         self.show()
 105                         self.hideTimer.stop()
 106
 107         def unlockShow(self):
 108                 self.__locked = self.__locked - 1
 109                 if self.execing:
 110                         self.startHideTimer()
 111
 112 #       def startShow(self):
 113 #               self.instance.m_animation.startMoveAnimation(ePoint(0, 600), ePoint(0, 380), 100)
 114 #               self.__state = self.STATE_SHOWN
 115 #
 116 #       def startHide(self):
 117 #               self.instance.m_animation.startMoveAnimation(ePoint(0, 380), ePoint(0, 600), 100)
 118 #               self.__state = self.STATE_HIDDEN
 119
 120 class NumberZap(Screen):
 121         def quit(self):
 122                 self.Timer.stop()
 123                 self.close(0)
 124
 125         def keyOK(self):
 126                 self.Timer.stop()
 127                 self.close(int(self["number"].getText()))
 128
 129         def keyNumberGlobal(self, number):
 130                 self.Timer.start(3000, True)            #reset timer
 131                 self.field = self.field + str(number)
 132                 self["number"].setText(self.field)
 133                 if len(self.field) >= 4:
 134                         self.keyOK()
 135
 136         def __init__(self, session, number):
 137                 Screen.__init__(self, session)
 138                 self.field = str(number)
 139
 140                 self["channel"] = Label(_("Channel:"))
 141
 142                 self["number"] = Label(self.field)
 143
 144                 self["actions"] = NumberActionMap( [ "SetupActions" ],
 145                         {
 146                                 "cancel": self.quit,
 147                                 "ok": self.keyOK,
 148                                 "1": self.keyNumberGlobal,
 149                                 "2": self.keyNumberGlobal,
 150                                 "3": self.keyNumberGlobal,
 151                                 "4": self.keyNumberGlobal,
 152                                 "5": self.keyNumberGlobal,
 153                                 "6": self.keyNumberGlobal,
 154                                 "7": self.keyNumberGlobal,
 155                                 "8": self.keyNumberGlobal,
 156                                 "9": self.keyNumberGlobal,
 157                                 "0": self.keyNumberGlobal
 158                         })
 159
 160                 self.Timer = eTimer()
 161                 self.Timer.timeout.get().append(self.keyOK)
 162                 self.Timer.start(3000, True)
 163
 164 class InfoBarPowerKey:
 165         """ PowerKey stuff - handles the powerkey press and powerkey release actions"""
 166
 167         def __init__(self):
 168                 self.powerKeyTimer = eTimer()
 169                 self.powerKeyTimer.timeout.get().append(self.powertimer)
 170                 self["PowerKeyActions"] = HelpableActionMap(self, "PowerKeyActions",
 171                         {
 172                                 "powerdown": self.powerdown,
 173                                 "powerup": self.powerup,
 174                                 "discreteStandby": (self.standby, "Go standby"),
 175                                 "discretePowerOff": (self.quit, "Go to deep standby"),
 176                         })
 177
 178         def powertimer(self):
 179                 print "PowerOff - Now!"
 180                 self.quit()
 181
 182         def powerdown(self):
 183                 self.standbyblocked = 0
 184                 self.powerKeyTimer.start(3000, True)
 185
 186         def powerup(self):
 187                 self.powerKeyTimer.stop()
 188                 if self.standbyblocked == 0:
 189                         self.standbyblocked = 1
 190                         self.standby()
 191
 192         def standby(self):
 193                 self.session.open(Standby, self)
 194
 195         def quit(self):
 196                 # halt
 197                 quitMainloop(1)
 198
 199 class InfoBarNumberZap:
 200         """ Handles an initial number for NumberZapping """
 201         def __init__(self):
 202                 self["NumberActions"] = NumberActionMap( [ "NumberActions"],
 203                         {
 204                                 "1": self.keyNumberGlobal,
 205                                 "2": self.keyNumberGlobal,
 206                                 "3": self.keyNumberGlobal,
 207                                 "4": self.keyNumberGlobal,
 208                                 "5": self.keyNumberGlobal,
 209                                 "6": self.keyNumberGlobal,
 210                                 "7": self.keyNumberGlobal,
 211                                 "8": self.keyNumberGlobal,
 212                                 "9": self.keyNumberGlobal,
 213                                 "0": self.keyNumberGlobal,
 214                         })
 215
 216         def keyNumberGlobal(self, number):
 217 #               print "You pressed number " + str(number)
 218                 if number == 0:
 219                         self.servicelist.recallPrevService()
 220                         self.doShow()
 221                 else:
 222                         self.session.openWithCallback(self.numberEntered, NumberZap, number)
 223
 224         def numberEntered(self, retval):
 225 #               print self.servicelist
 226                 if retval > 0:
 227                         self.zapToNumber(retval)
 228
 229         def searchNumberHelper(self, serviceHandler, num, bouquet):
 230                 servicelist = serviceHandler.list(bouquet)
 231                 if not servicelist is None:
 232                         while num:
 233                                 serviceIterator = servicelist.getNext()
 234                                 if not serviceIterator.valid(): #check end of list
 235                                         break
 236                                 if serviceIterator.flags: #assume normal dvb service have no flags set
 237                                         continue
 238                                 num -= 1;
 239                         if not num: #found service with searched number ?
 240                                 return serviceIterator, 0
 241                 return None, num
 242
 243         def zapToNumber(self, number):
 244                 bouquet = self.servicelist.bouquet_root
 245                 service = None
 246                 serviceHandler = eServiceCenter.getInstance()
 247                 if bouquet.toString().find('FROM BOUQUET "bouquets.') == -1: #FIXME HACK
 248                         service, number = self.searchNumberHelper(serviceHandler, number, bouquet)
 249                 else:
 250                         bouquetlist = serviceHandler.list(bouquet)
 251                         if not bouquetlist is None:
 252                                 while number:
 253                                         bouquet = self.servicelist.appendDVBTypes(bouquetlist.getNext())
 254                                         if not bouquet.valid(): #check end of list
 255                                                 break
 256                                         if (bouquet.flags & eServiceReference.flagDirectory) != eServiceReference.flagDirectory:
 257                                                 continue
 258                                         service, number = self.searchNumberHelper(serviceHandler, number, bouquet)
 259                 if not service is None:
 260                         if self.servicelist.getRoot() != bouquet: #already in correct bouquet?
 261                                 self.servicelist.clearPath()
 262                                 if self.servicelist.bouquet_root != bouquet:
 263                                         self.servicelist.enterPath(self.servicelist.bouquet_root)
 264                                 self.servicelist.enterPath(bouquet)
 265                         self.servicelist.setCurrentSelection(service) #select the service in servicelist
 266                         self.servicelist.zap()
 267
 268 class InfoBarChannelSelection:
 269         """ ChannelSelection - handles the channelSelection dialog and the initial
 270         channelChange actions which open the channelSelection dialog """
 271         def __init__(self):
 272                 #instantiate forever
 273                 self.servicelist = self.session.instantiateDialog(ChannelSelection)
 274
 275                 self["ChannelSelectActions"] = HelpableActionMap(self, "InfobarChannelSelection",
 276                         {
 277                                 "switchChannelUp": self.switchChannelUp,
 278                                 "switchChannelDown": self.switchChannelDown,
 279                                 "zapUp": (self.zapUp, _("next channel")),
 280                                 "zapDown": (self.zapDown, _("previous channel")),
 281                                 "historyBack": (self.historyBack, _("previous channel in history")),
 282                                 "historyNext": (self.historyNext, _("next channel in history"))
 283                         })
 284
 285         def historyBack(self):
 286                 self.servicelist.historyBack()
 287
 288         def historyNext(self):
 289                 self.servicelist.historyNext()
 290
 291         def switchChannelUp(self):
 292                 self.servicelist.moveUp()
 293                 self.session.execDialog(self.servicelist)
 294
 295         def switchChannelDown(self):
 296                 self.servicelist.moveDown()
 297                 self.session.execDialog(self.servicelist)
 298
 299         def zapUp(self):
 300                 if currentConfigSelectionElement(config.usage.quickzap_bouquet_change) == "yes":
 301                         if self.servicelist.inBouquet() and self.servicelist.atBegin():
 302                                 self.servicelist.prevBouquet()
 303                 self.servicelist.moveUp()
 304                 self.servicelist.zap()
 305                 self.doShow()
 306
 307         def zapDown(self):
 308                 if currentConfigSelectionElement(config.usage.quickzap_bouquet_change) == "yes" and self.servicelist.inBouquet() and self.servicelist.atEnd():
 309                         self.servicelist.nextBouquet()
 310                 else:
 311                         self.servicelist.moveDown()
 312                 self.servicelist.zap()
 313                 self.doShow()
 314
 315 class InfoBarMenu:
 316         """ Handles a menu action, to open the (main) menu """
 317         def __init__(self):
 318                 self["MenuActions"] = HelpableActionMap(self, "InfobarMenuActions",
 319                         {
 320                                 "mainMenu": (self.mainMenu, "Enter main menu..."),
 321                         })
 322
 323         def mainMenu(self):
 324                 print "loading mainmenu XML..."
 325                 menu = mdom.childNodes[0]
 326                 assert menu.tagName == "menu", "root element in menu must be 'menu'!"
 327                 self.session.open(MainMenu, menu, menu.childNodes)
 328
 329 class InfoBarEPG:
 330         """ EPG - Opens an EPG list when the showEPGList action fires """
 331         def __init__(self):
 332                 self["EPGActions"] = HelpableActionMap(self, "InfobarEPGActions",
 333                         {
 334                                 "showEventInfo": (self.openEventView, _("show EPG...")),
 335                         })
 336
 337         def zapToService(self, service):
 338                 if not service is None:
 339                         if self.servicelist.getRoot() != self.epg_bouquet: #already in correct bouquet?
 340                                 self.servicelist.clearPath()
 341                                 if self.servicelist.bouquet_root != self.epg_bouquet:
 342                                         self.servicelist.enterPath(self.servicelist.bouquet_root)
 343                                 self.servicelist.enterPath(self.epg_bouquet)
 344                         self.servicelist.setCurrentSelection(service) #select the service in servicelist
 345                         self.servicelist.zap()
 346
 347         def openBouquetEPG(self, bouquet, withCallback=True):
 348                 ptr=eEPGCache.getInstance()
 349                 services = [ ]
 350                 servicelist = eServiceCenter.getInstance().list(bouquet)
 351                 if not servicelist is None:
 352                         while True:
 353                                 service = servicelist.getNext()
 354                                 if not service.valid(): #check if end of list
 355                                         break
 356                                 if service.flags: #ignore non playable services
 357                                         continue
 358                                 services.append(ServiceReference(service))
 359                 if len(services):
 360                         self.epg_bouquet = bouquet
 361                         if withCallback:
 362                                 self.session.openWithCallback(self.closed, EPGSelection, services, self.zapToService)
 363                         else:
 364                                 self.session.open(EPGSelection, services, self.zapToService)
 365
 366         def closed(self, ret):
 367                 if ret:
 368                         self.close(ret)
 369
 370         def openMultiServiceEPG(self, withCallback=True):
 371                 bouquets = self.servicelist.getBouquetList()
 372                 if bouquets is None:
 373                         cnt = 0
 374                 else:
 375                         cnt = len(bouquets)
 376                 if cnt > 1: # show bouquet list
 377                         if withCallback:
 378                                 self.session.openWithCallback(self.closed, BouquetSelector, bouquets, self.openBouquetEPG)
 379                         else:
 380                                 self.session.open(BouquetSelector, bouquets, self.openBouquetEPG)
 381                 elif cnt == 1:
 382                         self.openBouquetEPG(bouquets[0][1], withCallback)
 383
 384         def openSingleServiceEPG(self):
 385                 ref=self.session.nav.getCurrentlyPlayingServiceReference()
 386                 ptr=eEPGCache.getInstance()
 387                 self.session.openWithCallback(self.closed, EPGSelection, ref)
 388
 389         def openEventView(self):
 390                 self.epglist = [ ]
 391                 service = self.session.nav.getCurrentService()
 392                 ref = self.session.nav.getCurrentlyPlayingServiceReference()
 393                 info = service.info()
 394                 ptr=info.getEvent(0)
 395                 if ptr:
 396                         self.epglist.append(ptr)
 397                 ptr=info.getEvent(1)
 398                 if ptr:
 399                         self.epglist.append(ptr)
 400                 if len(self.epglist) == 0:
 401                         epg = eEPGCache.getInstance()
 402                         ptr = epg.lookupEventTime(ref, -1)
 403                         if ptr:
 404                                 self.epglist.append(ptr)
 405                                 ptr = epg.lookupEventTime(ref, ptr.getBeginTime(), +1)
 406                                 if ptr:
 407                                         self.epglist.append(ptr)
 408                 if len(self.epglist) > 0:
 409                         self.session.open(EventViewEPGSelect, self.epglist[0], ServiceReference(ref), self.eventViewCallback, self.openSingleServiceEPG, self.openMultiServiceEPG)
 410                 else:
 411                         print "no epg for the service avail.. so we show multiepg instead of eventinfo"
 412                         self.openMultiServiceEPG(False)
 413
 414         def eventViewCallback(self, setEvent, setService, val): #used for now/next displaying
 415                 if len(self.epglist) > 1:
 416                         tmp = self.epglist[0]
 417                         self.epglist[0]=self.epglist[1]
 418                         self.epglist[1]=tmp
 419                         setEvent(self.epglist[0])
 420
 421 from math import log
 422
 423 class InfoBarTuner:
 424         """provides a snr/agc/ber display"""
 425         def __init__(self):
 426                 self["snr"] = Label()
 427                 self["agc"] = Label()
 428                 self["ber"] = Label()
 429                 self["snr_percent"] = Label()
 430                 self["agc_percent"] = Label()
 431                 self["ber_count"] = Label()
 432                 self["snr_progress"] = ProgressBar()
 433                 self["agc_progress"] = ProgressBar()
 434                 self["ber_progress"] = ProgressBar()
 435                 self.timer = eTimer()
 436                 self.timer.timeout.get().append(self.updateTunerInfo)
 437                 self.timer.start(1000)
 438
 439         def calc(self,val):
 440                 if not val:
 441                         return 0
 442                 if val < 2500:
 443                         return (long)(log(val)/log(2))
 444                 return val*100/65535
 445
 446         def updateTunerInfo(self):
 447                 if self.instance.isVisible():
 448                         service = self.session.nav.getCurrentService()
 449                         snr=0
 450                         agc=0
 451                         ber=0
 452                         if service is not None:
 453                                 feinfo = service.frontendStatusInfo()
 454                                 if feinfo is not None:
 455                                         ber=feinfo.getFrontendInfo(iFrontendStatusInformation.bitErrorRate)
 456                                         snr=feinfo.getFrontendInfo(iFrontendStatusInformation.signalPower)*100/65536
 457                                         agc=feinfo.getFrontendInfo(iFrontendStatusInformation.signalQuality)*100/65536
 458                         self["snr_percent"].setText("%d%%"%(snr))
 459                         self["agc_percent"].setText("%d%%"%(agc))
 460                         self["ber_count"].setText("%d"%(ber))
 461                         self["snr_progress"].setValue(snr)
 462                         self["agc_progress"].setValue(agc)
 463                         self["ber_progress"].setValue(self.calc(ber))
 464
 465 class InfoBarEvent:
 466         """provides a current/next event info display"""
 467         def __init__(self):
 468                 self["Event_Now_StartTime"] = EventInfo(self.session.nav, EventInfo.Now_StartTime)
 469                 self["Event_Next_StartTime"] = EventInfo(self.session.nav, EventInfo.Next_StartTime)
 470
 471                 self["Event_Now"] = EventInfo(self.session.nav, EventInfo.Now)
 472                 self["Event_Next"] = EventInfo(self.session.nav, EventInfo.Next)
 473
 474                 self["Event_Now_Duration"] = EventInfo(self.session.nav, EventInfo.Now_Remaining)
 475                 self["Event_Next_Duration"] = EventInfo(self.session.nav, EventInfo.Next_Duration)
 476
 477                 self["Now_ProgressBar"] = EventInfoProgress(self.session.nav, EventInfo.Now)
 478
 479 class InfoBarServiceName:
 480         def __init__(self):
 481                 self["ServiceName"] = ServiceName(self.session.nav)
 482
 483 class InfoBarSeek:
 484         """handles actions like seeking, pause"""
 485
 486         # ispause, isff, issm
 487         SEEK_STATE_PLAY = (0, 0, 0, ">")
 488         SEEK_STATE_PAUSE = (1, 0, 0, "||")
 489         SEEK_STATE_FF_2X = (0, 2, 0, ">> 2x")
 490         SEEK_STATE_FF_4X = (0, 4, 0, ">> 4x")
 491         SEEK_STATE_FF_8X = (0, 8, 0, ">> 8x")
 492         SEEK_STATE_FF_32X = (0, 32, 0, ">> 32x")
 493         SEEK_STATE_FF_64X = (0, 64, 0, ">> 64x")
 494         SEEK_STATE_FF_128X = (0, 128, 0, ">> 128x")
 495
 496         SEEK_STATE_BACK_4X = (0, -4, 0, "<< 4x")
 497         SEEK_STATE_BACK_32X = (0, -32, 0, "<< 32x")
 498         SEEK_STATE_BACK_64X = (0, -64, 0, "<< 64x")
 499         SEEK_STATE_BACK_128X = (0, -128, 0, "<< 128x")
 500
 501         SEEK_STATE_SM_HALF = (0, 0, 2, "/2")
 502         SEEK_STATE_SM_QUARTER = (0, 0, 4, "/4")
 503         SEEK_STATE_SM_EIGHTH = (0, 0, 8, "/8")
 504
 505         def __init__(self):
 506                 self.__event_tracker = ServiceEventTracker(screen=self, eventmap=
 507                         {
 508                                 iPlayableService.evSeekableStatusChanged: self.__seekableStatusChanged,
 509                                 iPlayableService.evStart: self.__serviceStarted,
 510
 511                                 iPlayableService.evEOF: self.__evEOF,
 512                                 iPlayableService.evSOF: self.__evSOF,
 513                         })
 514                 self["SeekActions"] = HelpableActionMap(self, "InfobarSeekActions",
 515                         {
 516                                 "pauseService": (self.pauseService, "pause"),
 517                                 "unPauseService": (self.unPauseService, "continue"),
 518
 519                                 "seekFwd": (self.seekFwd, "skip forward"),
 520                                 "seekFwdUp": (self.seekFwdUp, "skip forward"),
 521                                 "seekBack": (self.seekBack, "skip backward"),
 522                                 "seekBackUp": (self.seekBackUp, "skip backward"),
 523                         }, prio=-1)
 524                         # give them a little more priority to win over color buttons
 525
 526                 self.seekstate = self.SEEK_STATE_PLAY
 527                 self.onClose.append(self.delTimer)
 528
 529                 self.fwdtimer = False
 530                 self.fwdKeyTimer = eTimer()
 531                 self.fwdKeyTimer.timeout.get().append(self.fwdTimerFire)
 532
 533                 self.rwdtimer = False
 534                 self.rwdKeyTimer = eTimer()
 535                 self.rwdKeyTimer.timeout.get().append(self.rwdTimerFire)
 536
 537                 self.onPlayStateChanged = [ ]
 538
 539                 self.lockedBecauseOfSkipping = False
 540
 541         def up(self):
 542                 pass
 543
 544         def down(self):
 545                 pass
 546
 547         def delTimer(self):
 548                 del self.fwdKeyTimer
 549                 del self.rwdKeyTimer
 550
 551         def getSeek(self):
 552                 service = self.session.nav.getCurrentService()
 553                 if service is None:
 554                         return False
 555
 556                 seek = service.seek()
 557
 558                 if seek is None or not seek.isCurrentlySeekable():
 559                         return None
 560
 561                 return seek
 562
 563         def isSeekable(self):
 564                 if self.getSeek() is None:
 565                         return False
 566                 return True
 567
 568         def __seekableStatusChanged(self):
 569                 print "seekable status changed!"
 570                 if not self.isSeekable():
 571                         self["SeekActions"].setEnabled(False)
 572                         print "not seekable, return to play"
 573                         self.setSeekState(self.SEEK_STATE_PLAY)
 574                 else:
 575                         self["SeekActions"].setEnabled(True)
 576                         print "seekable"
 577
 578         def __serviceStarted(self):
 579                 self.seekstate = self.SEEK_STATE_PLAY
 580
 581         def setSeekState(self, state):
 582                 service = self.session.nav.getCurrentService()
 583
 584                 if service is None:
 585                         return False
 586
 587                 if not self.isSeekable():
 588                         if state not in [self.SEEK_STATE_PLAY, self.SEEK_STATE_PAUSE]:
 589                                 state = self.SEEK_STATE_PLAY
 590
 591                 pauseable = service.pause()
 592
 593                 if pauseable is None:
 594                         print "not pauseable."
 595                         state = self.SEEK_STATE_PLAY
 596
 597                 oldstate = self.seekstate
 598                 self.seekstate = state
 599
 600                 for i in range(3):
 601                         if oldstate[i] != self.seekstate[i]:
 602                                 (self.session.nav.pause, pauseable.setFastForward, pauseable.setSlowMotion)[i](self.seekstate[i])
 603
 604                 for c in self.onPlayStateChanged:
 605                         c(self.seekstate)
 606
 607                 self.checkSkipShowHideLock()
 608
 609                 return True
 610
 611         def pauseService(self):
 612                 if self.seekstate == self.SEEK_STATE_PAUSE:
 613                         print "pause, but in fact unpause"
 614                         self.unPauseService()
 615                 else:
 616                         if self.seekstate == self.SEEK_STATE_PLAY:
 617                                 print "yes, playing."
 618                         else:
 619                                 print "no", self.seekstate
 620                         print "pause"
 621                         self.setSeekState(self.SEEK_STATE_PAUSE);
 622
 623         def unPauseService(self):
 624                 print "unpause"
 625                 self.setSeekState(self.SEEK_STATE_PLAY);
 626
 627         def doSeek(self, seektime):
 628                 print "doseek", seektime
 629                 service = self.session.nav.getCurrentService()
 630                 if service is None:
 631                         return
 632
 633                 seekable = self.getSeek()
 634                 if seekable is None:
 635                         return
 636
 637                 seekable.seekTo(90 * seektime)
 638
 639         def seekFwd(self):
 640                 print "start fwd timer"
 641                 self.fwdtimer = True
 642                 self.fwdKeyTimer.start(500)
 643
 644         def seekBack(self):
 645                 print "start rewind timer"
 646                 self.rwdtimer = True
 647                 self.rwdKeyTimer.start(500)
 648
 649         def seekFwdUp(self):
 650                 print "seekFwdUp"
 651                 if self.fwdtimer:
 652                         self.fwdKeyTimer.stop()
 653                         self.fwdtimer = False
 654                         lookup = {
 655                                         self.SEEK_STATE_PLAY: self.SEEK_STATE_FF_2X,
 656                                         self.SEEK_STATE_PAUSE: self.SEEK_STATE_SM_EIGHTH,
 657                                         self.SEEK_STATE_FF_2X: self.SEEK_STATE_FF_4X,
 658                                         self.SEEK_STATE_FF_4X: self.SEEK_STATE_FF_8X,
 659                                         self.SEEK_STATE_FF_8X: self.SEEK_STATE_FF_32X,
 660                                         self.SEEK_STATE_FF_32X: self.SEEK_STATE_FF_64X,
 661                                         self.SEEK_STATE_FF_64X: self.SEEK_STATE_FF_128X,
 662                                         self.SEEK_STATE_FF_128X: self.SEEK_STATE_FF_128X,
 663                                         self.SEEK_STATE_BACK_4X: self.SEEK_STATE_PLAY,
 664                                         self.SEEK_STATE_BACK_32X: self.SEEK_STATE_BACK_4X,
 665                                         self.SEEK_STATE_BACK_64X: self.SEEK_STATE_BACK_32X,
 666                                         self.SEEK_STATE_BACK_128X: self.SEEK_STATE_BACK_64X,
 667                                         self.SEEK_STATE_SM_HALF: self.SEEK_STATE_SM_HALF,
 668                                         self.SEEK_STATE_SM_QUARTER: self.SEEK_STATE_SM_HALF,
 669                                         self.SEEK_STATE_SM_EIGHTH: self.SEEK_STATE_SM_QUARTER
 670                                 }
 671                         self.setSeekState(lookup[self.seekstate]);
 672
 673         def seekBackUp(self):
 674                 print "seekBackUp"
 675                 if self.rwdtimer:
 676                         self.rwdKeyTimer.stop()
 677                         self.rwdtimer = False
 678
 679                         lookup = {
 680                                         self.SEEK_STATE_PLAY: self.SEEK_STATE_BACK_4X,
 681                                         self.SEEK_STATE_PAUSE: self.SEEK_STATE_PAUSE,
 682                                         self.SEEK_STATE_FF_2X: self.SEEK_STATE_PLAY,
 683                                         self.SEEK_STATE_FF_4X: self.SEEK_STATE_FF_2X,
 684                                         self.SEEK_STATE_FF_8X: self.SEEK_STATE_FF_4X,
 685                                         self.SEEK_STATE_FF_32X: self.SEEK_STATE_FF_8X,
 686                                         self.SEEK_STATE_FF_64X: self.SEEK_STATE_FF_32X,
 687                                         self.SEEK_STATE_FF_128X: self.SEEK_STATE_FF_64X,
 688                                         self.SEEK_STATE_BACK_4X: self.SEEK_STATE_BACK_32X,
 689                                         self.SEEK_STATE_BACK_32X: self.SEEK_STATE_BACK_64X,
 690                                         self.SEEK_STATE_BACK_64X: self.SEEK_STATE_BACK_128X,
 691                                         self.SEEK_STATE_BACK_128X: self.SEEK_STATE_BACK_128X,
 692                                         self.SEEK_STATE_SM_HALF: self.SEEK_STATE_SM_QUARTER,
 693                                         self.SEEK_STATE_SM_QUARTER: self.SEEK_STATE_SM_EIGHTH,
 694                                         self.SEEK_STATE_SM_EIGHTH: self.SEEK_STATE_PAUSE
 695                                 }
 696                         self.setSeekState(lookup[self.seekstate]);
 697
 698         def fwdTimerFire(self):
 699                 print "Display seek fwd"
 700                 self.fwdKeyTimer.stop()
 701                 self.fwdtimer = False
 702                 self.session.openWithCallback(self.fwdSeekTo, MinuteInput)
 703
 704         def fwdSeekTo(self, minutes):
 705                 print "Seek", minutes, "minutes forward"
 706                 if minutes != 0:
 707                         seekable = self.getSeek()
 708                         if seekable is not None:
 709                                 seekable.seekRelative(1, minutes * 60 * 90000)
 710
 711         def rwdTimerFire(self):
 712                 print "rwdTimerFire"
 713                 self.rwdKeyTimer.stop()
 714                 self.rwdtimer = False
 715                 self.session.openWithCallback(self.rwdSeekTo, MinuteInput)
 716
 717         def rwdSeekTo(self, minutes):
 718                 print "rwdSeekTo"
 719                 self.fwdSeekTo(0 - minutes)
 720
 721         def checkSkipShowHideLock(self):
 722                 wantlock = self.seekstate != self.SEEK_STATE_PLAY
 723
 724                 if self.lockedBecauseOfSkipping and not wantlock:
 725                         self.unlockShow()
 726                         self.lockedBecauseOfSkipping = False
 727
 728                 if wantlock and not self.lockedBecauseOfSkipping:
 729                         self.lockShow()
 730                         self.lockedBecauseOfSkipping = True
 731
 732         def __evEOF(self):
 733                 self.setSeekState(self.SEEK_STATE_PAUSE)
 734
 735         def __evSOF(self):
 736                 self.setSeekState(self.SEEK_STATE_PLAY)
 737                 self.doSeek(0)
 738
 739         def seekRelative(self, diff):
 740                 seekable = self.getSeek()
 741                 if seekable is not None:
 742                         seekable.seekRelative(0, diff)
 743
 744 from Screens.PVRState import PVRState
 745
 746 class InfoBarPVRState:
 747         def __init__(self):
 748                 self.onPlayStateChanged.append(self.__playStateChanged)
 749                 self.pvrStateDialog = self.session.instantiateDialog(PVRState)
 750                 self.onShow.append(self.__mayShow)
 751                 self.onHide.append(self.pvrStateDialog.hide)
 752
 753         def __mayShow(self):
 754                 if self.seekstate != self.SEEK_STATE_PLAY:
 755                         self.pvrStateDialog.show()
 756
 757         def __playStateChanged(self, state):
 758                 playstateString = state[3]
 759                 self.pvrStateDialog["state"].setText(playstateString)
 760                 self.__mayShow()
 761
 762 class InfoBarShowMovies:
 763
 764         # i don't really like this class.
 765         # it calls a not further specified "movie list" on up/down/movieList,
 766         # so this is not more than an action map
 767         def __init__(self):
 768                 self["MovieListActions"] = HelpableActionMap(self, "InfobarMovieListActions",
 769                         {
 770                                 "movieList": (self.showMovies, "movie list"),
 771                                 "up": (self.showMovies, "movie list"),
 772                                 "down": (self.showMovies, "movie list")
 773                         })
 774
 775 # InfoBarTimeshift requires InfoBarSeek, instantiated BEFORE!
 776
 777 # Hrmf.
 778 #
 779 # Timeshift works the following way:
 780 #                                         demux0   demux1                    "TimeshiftActions" "TimeshiftActivateActions" "SeekActions"
 781 # - normal playback                       TUNER    unused      PLAY               enable                disable              disable
 782 # - user presses "yellow" button.         TUNER    record      PAUSE              enable                disable              enable
 783 # - user presess pause again              FILE     record      PLAY               enable                disable              enable
 784 # - user fast forwards                    FILE     record      FF                 enable                disable              enable
 785 # - end of timeshift buffer reached       TUNER    record      PLAY               enable                enable               disable
 786 # - user backwards                        FILE     record      BACK  # !!         enable                disable              enable
 787 #
 788
 789 # in other words:
 790 # - when a service is playing, pressing the "timeshiftStart" button ("yellow") enables recording ("enables timeshift"),
 791 # freezes the picture (to indicate timeshift), sets timeshiftMode ("activates timeshift")
 792 # now, the service becomes seekable, so "SeekActions" are enabled, "TimeshiftEnableActions" are disabled.
 793 # - the user can now PVR around
 794 # - if it hits the end, the service goes into live mode ("deactivates timeshift", it's of course still "enabled")
 795 # the service looses it's "seekable" state. It can still be paused, but just to activate timeshift right
 796 # after!
 797 # the seek actions will be disabled, but the timeshiftActivateActions will be enabled
 798 # - if the user rewinds, or press pause, timeshift will be activated again
 799
 800 # note that a timeshift can be enabled ("recording") and
 801 # activated (currently time-shifting).
 802
 803 class InfoBarTimeshift:
 804         def __init__(self):
 805                 self["TimeshiftActions"] = HelpableActionMap(self, "InfobarTimeshiftActions",
 806                         {
 807                                 "timeshiftStart": (self.startTimeshift, "start timeshift"),  # the "yellow key"
 808                                 "timeshiftStop": (self.stopTimeshift, "stop timeshift")      # currently undefined :), probably 'TV'
 809                         }, prio=1)
 810                 self["TimeshiftActivateActions"] = ActionMap(["InfobarTimeshiftActivateActions"],
 811                         {
 812                                 "timeshiftActivateEnd": self.activateTimeshiftEnd, # something like "pause key"
 813                                 "timeshiftActivateEndAndPause": self.activateTimeshiftEndAndPause  # something like "backward key"
 814                         }, prio=-1) # priority over record
 815
 816                 self.timeshift_enabled = 0
 817                 self.timeshift_state = 0
 818                 self.ts_pause_timer = eTimer()
 819                 self.ts_pause_timer.timeout.get().append(self.pauseService)
 820
 821                 self.__event_tracker = ServiceEventTracker(screen=self, eventmap=
 822                         {
 823                                 iPlayableService.evSeekableStatusChanged: self.__seekableStatusChanged
 824                         })
 825
 826         def getTimeshift(self):
 827                 service = self.session.nav.getCurrentService()
 828                 return service.timeshift()
 829
 830         def startTimeshift(self):
 831                 print "enable timeshift"
 832                 ts = self.getTimeshift()
 833                 if ts is None:
 834                         self.session.open(MessageBox, _("Timeshift not possible!"), MessageBox.TYPE_ERROR)
 835                         print "no ts interface"
 836                         return
 837
 838                 if self.timeshift_enabled:
 839                         print "hu, timeshift already enabled?"
 840                 else:
 841                         if not ts.startTimeshift():
 842                                 self.timeshift_enabled = 1
 843
 844                                 # PAUSE.
 845                                 self.setSeekState(self.SEEK_STATE_PAUSE)
 846
 847                                 # enable the "TimeshiftEnableActions", which will override
 848                                 # the startTimeshift actions
 849                                 self.__seekableStatusChanged()
 850                         else:
 851                                 print "timeshift failed"
 852
 853         def stopTimeshift(self):
 854                 if not self.timeshift_enabled:
 855                         return
 856                 print "disable timeshift"
 857                 ts = self.getTimeshift()
 858                 if ts is None:
 859                         return
 860                 self.session.openWithCallback(self.stopTimeshiftConfirmed, MessageBox, _("Stop Timeshift?"), MessageBox.TYPE_YESNO)
 861
 862         def stopTimeshiftConfirmed(self, confirmed):
 863                 if not confirmed:
 864                         return
 865
 866                 ts = self.getTimeshift()
 867                 if ts is None:
 868                         return
 869
 870                 ts.stopTimeshift()
 871                 self.timeshift_enabled = 0
 872
 873                 # disable actions
 874                 self.__seekableStatusChanged()
 875
 876         # activates timeshift, and seeks to (almost) the end
 877         def activateTimeshiftEnd(self):
 878                 ts = self.getTimeshift()
 879
 880                 if ts is None:
 881                         return
 882
 883                 if ts.isTimeshiftActive():
 884                         print "!! activate timeshift called - but shouldn't this be a normal pause?"
 885                         self.pauseService()
 886                 else:
 887                         self.setSeekState(self.SEEK_STATE_PLAY)
 888                         ts.activateTimeshift()
 889                         self.seekRelative(0)
 890
 891         # same as activateTimeshiftEnd, but pauses afterwards.
 892         def activateTimeshiftEndAndPause(self):
 893                 state = self.seekstate
 894                 self.activateTimeshiftEnd()
 895
 896                 # well, this is "andPause", but it could be pressed from pause,
 897                 # when pausing on the (fake-)"live" picture, so an un-pause
 898                 # is perfectly ok.
 899
 900                 print "now, pauseService"
 901                 if state == self.SEEK_STATE_PLAY:
 902                         print "is PLAYING, start pause timer"
 903                         self.ts_pause_timer.start(200, 1)
 904                 else:
 905                         print "unpause"
 906                         self.unPauseService()
 907
 908         def __seekableStatusChanged(self):
 909                 enabled = False
 910
 911                 print "self.isSeekable", self.isSeekable()
 912                 print "self.timeshift_enabled", self.timeshift_enabled
 913
 914                 # when this service is not seekable, but timeshift
 915                 # is enabled, this means we can activate
 916                 # the timeshift
 917                 if not self.isSeekable() and self.timeshift_enabled:
 918                         enabled = True
 919
 920                 print "timeshift activate:", enabled
 921                 self["TimeshiftActivateActions"].setEnabled(enabled)
 922
 923 from RecordTimer import parseEvent
 924
 925 class InfoBarInstantRecord:
 926         """Instant Record - handles the instantRecord action in order to
 927         start/stop instant records"""
 928         def __init__(self):
 929                 self["InstantRecordActions"] = HelpableActionMap(self, "InfobarInstantRecord",
 930                         {
 931                                 "instantRecord": (self.instantRecord, "Instant Record..."),
 932                         })
 933                 self.recording = None
 934                 self["BlinkingPoint"] = BlinkingPixmapConditional()
 935                 self.onLayoutFinish.append(self["BlinkingPoint"].hideWidget)
 936                 self["BlinkingPoint"].setConnect(self.session.nav.RecordTimer.isRecording)
 937
 938         def stopCurrentRecording(self):
 939                 self.session.nav.RecordTimer.removeEntry(self.recording)
 940                 self.recording = None
 941
 942         def startInstantRecording(self):
 943                 serviceref = self.session.nav.getCurrentlyPlayingServiceReference()
 944
 945                 # try to get event info
 946                 event = None
 947                 try:
 948                         service = self.session.nav.getCurrentService()
 949                         info = service.info()
 950                         ev = info.getEvent(0)
 951                         event = ev
 952                 except:
 953                         pass
 954
 955                 if event is not None:
 956                         data = parseEvent(event)
 957                         begin = time.time()
 958                         end = begin + 3600 * 10
 959
 960                         data = (begin, end, data[2], data[3], data[4])
 961                 else:
 962                         data = (time.time(), time.time() + 3600 * 10, "instant record", "", None)
 963
 964                 # fix me, description.
 965                 self.recording = self.session.nav.recordWithTimer(serviceref, *data)
 966                 self.recording.dontSave = True
 967
 968                 #self["BlinkingPoint"].setConnect(lambda: self.recording.isRunning())
 969
 970         def isInstantRecordRunning(self):
 971                 if self.recording != None:
 972                         if self.recording.isRunning():
 973                                 return True
 974                 return False
 975
 976         def recordQuestionCallback(self, answer):
 977                 if answer == False:
 978                         return
 979
 980                 if self.isInstantRecordRunning():
 981                         self.stopCurrentRecording()
 982                 else:
 983                         self.startInstantRecording()
 984
 985         def instantRecord(self):
 986                 try:
 987                         stat = os.stat(resolveFilename(SCOPE_HDD))
 988                 except:
 989                         self.session.open(MessageBox, _("No HDD found or HDD not initialized!"), MessageBox.TYPE_ERROR)
 990                         return
 991
 992                 if self.isInstantRecordRunning():
 993                         self.session.openWithCallback(self.recordQuestionCallback, MessageBox, _("Do you want to stop the current\n(instant) recording?"))
 994                 else:
 995                         self.session.openWithCallback(self.recordQuestionCallback, MessageBox, _("Start recording?"))
 996
 997 from Screens.AudioSelection import AudioSelection
 998
 999 class InfoBarAudioSelection:
1000         def __init__(self):
1001                 self["AudioSelectionAction"] = HelpableActionMap(self, "InfobarAudioSelectionActions",
1002                         {
1003                                 "audioSelection": (self.audioSelection, "Audio Options..."),
1004                         })
1005
1006         def audioSelection(self):
1007                 service = self.session.nav.getCurrentService()
1008                 audio = service.audioTracks()
1009                 n = audio.getNumberOfTracks()
1010                 if n > 0:
1011                         self.session.open(AudioSelection, audio)
1012
1013 from Screens.SubserviceSelection import SubserviceSelection
1014
1015 class InfoBarSubserviceSelection:
1016         def __init__(self):
1017                 self["SubserviceSelectionAction"] = HelpableActionMap(self, "InfobarSubserviceSelectionActions",
1018                         {
1019                                 "subserviceSelection": (self.subserviceSelection, "Subservice list..."),
1020                         })
1021
1022         def subserviceSelection(self):
1023                 service = self.session.nav.getCurrentService()
1024                 subservices = service.subServices()
1025                 n = subservices.getNumberOfSubservices()
1026                 if n > 0:
1027                         self.session.openWithCallback(self.subserviceSelected, SubserviceSelection, subservices)
1028
1029         def subserviceSelected(self, service):
1030                 if not service is None:
1031                         self.session.nav.playService(service)
1032
1033 class InfoBarAdditionalInfo:
1034         def __init__(self):
1035                 self["DolbyActive"] = Pixmap()
1036                 self["CryptActive"] = Pixmap()
1037                 self["FormatActive"] = Pixmap()
1038
1039                 self["ButtonRed"] = PixmapConditional(withTimer = False)
1040                 self["ButtonRed"].setConnect(lambda: harddiskmanager.HDDCount() > 0)
1041                 self.onLayoutFinish.append(self["ButtonRed"].update)
1042                 self["ButtonRedText"] = LabelConditional(text = _("Record"), withTimer = False)
1043                 self["ButtonRedText"].setConnect(lambda: harddiskmanager.HDDCount() > 0)
1044                 self.onLayoutFinish.append(self["ButtonRedText"].update)
1045
1046                 self["ButtonGreen"] = Pixmap()
1047                 self["ButtonGreenText"] = Label(_("Subservices"))
1048
1049                 self["ButtonYellow"] = PixmapConditional(withTimer = False)
1050                 self["ButtonYellow"].setConnect(lambda: harddiskmanager.HDDCount() > 0)
1051                 self["ButtonYellowText"] = LabelConditional(text = _("Timeshifting"), withTimer = False)
1052                 self["ButtonYellowText"].setConnect(lambda: harddiskmanager.HDDCount() > 0)
1053                 self.onLayoutFinish.append(self["ButtonYellow"].update)
1054                 self.onLayoutFinish.append(self["ButtonYellowText"].update)
1055
1056                 self["ButtonBlue"] = PixmapConditional(withTimer = False)
1057                 self["ButtonBlue"].setConnect(lambda: False)
1058                 self["ButtonBlueText"] = LabelConditional(text = _("Extensions"), withTimer = False)
1059                 self["ButtonBlueText"].setConnect(lambda: False)
1060                 self.onLayoutFinish.append(self["ButtonBlue"].update)
1061                 self.onLayoutFinish.append(self["ButtonBlueText"].update)
1062
1063                 self.session.nav.event.append(self.gotServiceEvent) # we like to get service events
1064
1065         def hideSubServiceIndication(self):
1066                 self["ButtonGreen"].hideWidget()
1067                 self["ButtonGreenText"].hide()
1068
1069         def showSubServiceIndication(self):
1070                 self["ButtonGreen"].showWidget()
1071                 self["ButtonGreenText"].show()
1072
1073         def checkFormat(self, service):
1074                 info = service.info()
1075                 if info is not None:
1076                         aspect = info.getInfo(iServiceInformation.sAspect)
1077                         if aspect in [ 3, 4, 7, 8, 0xB, 0xC, 0xF, 0x10 ]:
1078                                 self["FormatActive"].showWidget()
1079                         else:
1080                                 self["FormatActive"].hideWidget()
1081
1082         def checkSubservices(self, service):
1083                 if service.subServices().getNumberOfSubservices() > 0:
1084                         self.showSubServiceIndication()
1085                 else:
1086                         self.hideSubServiceIndication()
1087
1088         def checkDolby(self, service):
1089                 # FIXME
1090                 dolby = False
1091                 audio = service.audioTracks()
1092                 if audio is not None:
1093                         n = audio.getNumberOfTracks()
1094                         for x in range(n):
1095                                 i = audio.getTrackInfo(x)
1096                                 description = i.getDescription();
1097                                 if description.find("AC3") != -1 or description.find("DTS") != -1:
1098                                         dolby = True
1099                                         break
1100                 if dolby:
1101                         self["DolbyActive"].showWidget()
1102                 else:
1103                         self["DolbyActive"].hideWidget()
1104
1105         def checkCrypted(self, service):
1106                 info = service.info()
1107                 if info is not None:
1108                         if info.getInfo(iServiceInformation.sIsCrypted) > 0:
1109                                 self["CryptActive"].showWidget()
1110                         else:
1111                                 self["CryptActive"].hideWidget()
1112
1113         def gotServiceEvent(self, ev):
1114                 service = self.session.nav.getCurrentService()
1115                 if ev == iPlayableService.evUpdatedEventInfo:
1116                         self.checkSubservices(service)
1117                         self.checkFormat(service)
1118                 elif ev == iPlayableService.evUpdatedInfo:
1119                         self.checkCrypted(service)
1120                         self.checkDolby(service)
1121                 elif ev == iPlayableService.evEnd:
1122                         self.hideSubServiceIndication()
1123                         self["CryptActive"].hideWidget()
1124                         self["DolbyActive"].hideWidget()
1125                         self["FormatActive"].hideWidget()
1126
1127 class InfoBarNotifications:
1128         def __init__(self):
1129                 self.onExecBegin.append(self.checkNotifications)
1130                 Notifications.notificationAdded.append(self.checkNotificationsIfExecing)
1131
1132         def checkNotificationsIfExecing(self):
1133                 if self.execing:
1134                         self.checkNotifications()
1135
1136         def checkNotifications(self):
1137                 if len(Notifications.notifications):
1138                         n = Notifications.notifications[0]
1139                         Notifications.notifications = Notifications.notifications[1:]
1140                         print "open",n
1141                         cb = n[0]
1142                         if cb is not None:
1143                                 self.session.openWithCallback(cb, *n[1:])
1144                         else:
1145                                 self.session.open(*n[1:])
1146
1147 class InfoBarServiceNotifications:
1148         def __init__(self):
1149                 self.__event_tracker = ServiceEventTracker(screen=self, eventmap=
1150                         {
1151                                 iPlayableService.evEnd: self.serviceHasEnded
1152                         })
1153
1154         def serviceHasEnded(self):
1155                 print "service end!"
1156
1157                 try:
1158                         self.setSeekState(self.SEEK_STATE_PLAY)
1159                 except:
1160                         pass
1161
1162 class InfoBarCueSheetSupport:
1163         CUT_TYPE_IN = 0
1164         CUT_TYPE_OUT = 1
1165         CUT_TYPE_MARK = 2
1166
1167         def __init__(self):
1168                 self["CueSheetActions"] = HelpableActionMap(self, "InfobarCueSheetActions",
1169                         {
1170                                 "jumpPreviousMark": (self.jumpPreviousMark, "jump to next marked position"),
1171                                 "jumpNextMark": (self.jumpNextMark, "jump to previous marked position"),
1172                                 "toggleMark": (self.toggleMark, "toggle a cut mark at the current position")
1173                         }, prio=1)
1174
1175                 self.cut_list = [ ]
1176                 self.__event_tracker = ServiceEventTracker(screen=self, eventmap=
1177                         {
1178                                 iPlayableService.evStart: self.__serviceStarted,
1179                         })
1180
1181         def __serviceStarted(self):
1182                 print "new service started! trying to download cuts!"
1183                 self.downloadCuesheet()
1184
1185         def __getSeekable(self):
1186                 service = self.session.nav.getCurrentService()
1187                 if service is None:
1188                         return None
1189                 return service.seek()
1190
1191         def __getCurrentPosition(self):
1192                 seek = self.__getSeekable()
1193                 if seek is None:
1194                         return None
1195                 r = seek.getPlayPosition()
1196                 if r[0]:
1197                         return None
1198                 return long(r[1])
1199
1200         def jumpPreviousNextMark(self, cmp, alternative=None):
1201                 current_pos = self.__getCurrentPosition()
1202                 if current_pos is None:
1203                         return
1204                 mark = self.getNearestCutPoint(current_pos, cmp=cmp)
1205                 if mark is not None:
1206                         pts = mark[0]
1207                 elif alternative is not None:
1208                         pts = alternative
1209                 else:
1210                         return
1211
1212                 seekable = self.__getSeekable()
1213                 if seekable is not None:
1214                         seekable.seekTo(pts)
1215
1216         def jumpPreviousMark(self):
1217                 print "jumpPreviousMark"
1218                 # we add 2 seconds, so if the play position is <2s after
1219                 # the mark, the mark before will be used
1220                 self.jumpPreviousNextMark(lambda x: -x-5*90000, alternative=0)
1221
1222         def jumpNextMark(self):
1223                 print "jumpNextMark"
1224                 self.jumpPreviousNextMark(lambda x: x)
1225
1226         def getNearestCutPoint(self, pts, cmp=abs):
1227                 # can be optimized
1228                 nearest = None
1229                 for cp in self.cut_list:
1230                         diff = cmp(cp[0] - pts)
1231                         if diff >= 0 and (nearest is None or cmp(nearest[0] - pts) > diff):
1232                                 nearest = cp
1233                 return nearest
1234
1235         def toggleMark(self):
1236                 print "toggleMark"
1237                 current_pos = self.__getCurrentPosition()
1238                 if current_pos is None:
1239                         print "not seekable"
1240                         return
1241
1242                 print "current position: ", current_pos
1243
1244                 nearest_cutpoint = self.getNearestCutPoint(current_pos)
1245                 print "nearest_cutpoint: ", nearest_cutpoint
1246
1247                 if nearest_cutpoint is not None and abs(nearest_cutpoint[0] - current_pos) < 5*90000:
1248                         self.cut_list.remove(nearest_cutpoint)
1249                 else:
1250                         bisect.insort(self.cut_list, (current_pos, self.CUT_TYPE_MARK))
1251
1252                 self.uploadCuesheet()
1253
1254         def __getCuesheet(self):
1255                 service = self.session.nav.getCurrentService()
1256                 if service is None:
1257                         return None
1258                 return service.cueSheet()
1259
1260         def uploadCuesheet(self):
1261                 cue = self.__getCuesheet()
1262
1263                 if cue is None:
1264                         print "upload failed, no cuesheet interface"
1265                         return
1266                 cue.setCutList(self.cut_list)
1267
1268         def downloadCuesheet(self):
1269                 cue = self.__getCuesheet()
1270
1271                 if cue is None:
1272                         print "upload failed, no cuesheet interface"
1273                         return
1274                 self.cut_list = cue.getCutList()
1275
1276                 print "cuts:", self.cut_list