DVDPlayer/plugin.py: more robust code
[enigma2.git] / lib / python / Plugins / Extensions / DVDPlayer / plugin.py
index 0d1f65fb8eaf4846b2e55caf226b1bd88f47f3a8..cb5f0e0d57d4bef6a7fb9150ba41a2a167f9cd41 100644 (file)
@@ -12,6 +12,7 @@ from Components.MenuList import MenuList
 from Components.ServiceEventTracker import ServiceEventTracker, InfoBarBase
 from Components.config import config
 from Tools.Directories import pathExists, fileExists
+from Components.Harddisk import harddiskmanager
 
 import servicedvd # load c++ part of dvd player plugin
 
@@ -275,13 +276,13 @@ class DVDPlayer(Screen, InfoBarBase, InfoBarNotifications, InfoBarSeek, InfoBarP
                                iPlayableService.evUser+12: self.__menuClosed
                        })
 
-               self["DVDPlayerDirectionActions"] = HelpableActionMap(self, "DirectionActions",
+               self["DVDPlayerDirectionActions"] = ActionMap(["DirectionActions"],
                        {
                                #MENU KEY DOWN ACTIONS
-                               "left": (self.keyLeft, _("DVD left key")),
-                               "right": (self.keyRight, _("DVD right key")),
-                               "up": (self.keyUp, _("DVD up key")),
-                               "down": (self.keyDown, _("DVD down key")),
+                               "left": self.keyLeft,
+                               "right": self.keyRight,
+                               "up": self.keyUp,
+                               "down": self.keyDown,
 
                                #MENU KEY REPEATED ACTIONS
                                "leftRepeated": self.doNothing,
@@ -294,13 +295,13 @@ class DVDPlayer(Screen, InfoBarBase, InfoBarNotifications, InfoBarSeek, InfoBarP
                                "rightUp": self.doNothing,
                                "upUp": self.doNothing,
                                "downUp": self.doNothing,
-                       }, -2)
+                       })
 
-               self["OkCancelActions"] = HelpableActionMap(self, "OkCancelActions",
+               self["OkCancelActions"] = ActionMap(["OkCancelActions"],
                        {
-                               "ok": (self.keyOk, _("DVD ENTER key")),
+                               "ok": self.keyOk,
                                "cancel": self.keyCancel,
-                       }, -2)
+                       })
 
                self["DVDPlayerPlaybackActions"] = HelpableActionMap(self, "DVDPlayerActions",
                        {
@@ -315,7 +316,7 @@ class DVDPlayer(Screen, InfoBarBase, InfoBarNotifications, InfoBarSeek, InfoBarP
                                "dvdAudioMenu": (self.enterDVDAudioMenu, _("(show optional DVD audio menu)")),
                                "nextAudioTrack": (self.nextAudioTrack, _("switch to the next audio track")),
                                "nextSubtitleTrack": (self.nextSubtitleTrack, _("switch to the next subtitle language")),
-                               "seekBeginning": (self.seekBeginning, _("Jump to video title 1 (play movie from start)")),
+                               "seekBeginning": self.seekBeginning,
                        }, -2)
                        
                self["NumberActions"] = NumberActionMap( [ "NumberActions"],
@@ -333,18 +334,25 @@ class DVDPlayer(Screen, InfoBarBase, InfoBarNotifications, InfoBarSeek, InfoBarP
                        })
 
                self.onClose.append(self.__onClose)
-
+               self.physicalDVD = False
+               self.dvd_device = None
                if dvd_device:
                                self.dvd_device = dvd_device
                                self.physicalDVD = True
                else:
-                       if fileExists("/dev/cdroms/cdrom0"):
-                               print "physical dvd found (/dev/cdroms/cdrom0)"
-                               self.dvd_device = "/dev/cdroms/cdrom0"
-                               self.physicalDVD = True
-                       else:
-                               self.dvd_device = None
-                               self.physicalDVD = False
+                       devicepath = harddiskmanager.getAutofsMountpoint(harddiskmanager.getCD())
+                       if pathExists(devicepath):
+                               from Components.Scanner import scanDevice
+                               res = scanDevice(devicepath)
+                               list = [ (r.description, r, res[r], self.session) for r in res ]
+                               if list:
+                                       (desc, scanner, files, session) = list[0]
+                                       for file in files:
+                                               print file
+                                               if file.mimetype == "video/x-dvd":
+                                                       self.dvd_device = devicepath
+                                                       print "physical dvd found:", self.dvd_device
+                                                       self.physicalDVD = True                 
 
                self.dvd_filelist = dvd_filelist
                self.onFirstExecBegin.append(self.showFileBrowser)
@@ -363,13 +371,25 @@ class DVDPlayer(Screen, InfoBarBase, InfoBarNotifications, InfoBarSeek, InfoBarP
                if retval > 0:
                        self.zapToNumber(retval)
 
+       def getServiceInterface(self, iface):
+               service = self.service
+               if service:
+                       attr = getattr(service, iface, None)
+                       if callable(attr):
+                               return attr()
+               return None
+
        def __serviceStopped(self):
                self.dvdScreen.hide()
-               self.service.subtitle().disableSubtitles(self.session.current_dialog.instance)
+               subs = self.getServiceInterface("subtitle")
+               if subs:
+                       subs.disableSubtitles(self.session.current_dialog.instance)
 
        def serviceStarted(self): #override InfoBarShowHide function
                self.dvdScreen.show()
-               self.service.subtitle().enableSubtitles(self.dvdScreen.instance, None)
+               subs = self.getServiceInterface("subtitle")
+               if subs:
+                       subs.enableSubtitles(self.dvdScreen.instance, None)
 
        def doEofInternal(self, playing):
                if self.in_menu:
@@ -427,38 +447,46 @@ class DVDPlayer(Screen, InfoBarBase, InfoBarNotifications, InfoBarSeek, InfoBarP
                print "StringAvail"
 
        def __osdAudioInfoAvail(self):
-               audioTuple = self.service.info().getInfoObject(iServiceInformation.sUser+6)
+               info = self.getServiceInterface("info")
+               audioTuple = info and info.getInfoObject(iServiceInformation.sUser+6)
                print "AudioInfoAvail ", repr(audioTuple)
-               audioString = "%d: %s (%s)" % (audioTuple[0],audioTuple[1],audioTuple[2])
-               self["audioLabel"].setText(audioString)
-               if audioTuple != self.last_audioTuple and not self.in_menu:
-                       self.doShow()
+               if audioTuple:
+                       audioString = "%d: %s (%s)" % (audioTuple[0],audioTuple[1],audioTuple[2])
+                       self["audioLabel"].setText(audioString)
+                       if audioTuple != self.last_audioTuple and not self.in_menu:
+                               self.doShow()
                self.last_audioTuple = audioTuple
 
        def __osdSubtitleInfoAvail(self):
-               subtitleTuple = self.service.info().getInfoObject(iServiceInformation.sUser+7)
+               info = self.getServiceInterface("info")
+               subtitleTuple = info and info.getInfoObject(iServiceInformation.sUser+7)
                print "SubtitleInfoAvail ", repr(subtitleTuple)
-               subtitleString = ""
-               if subtitleTuple[0] is not 0:
-                       subtitleString = "%d: %s" % (subtitleTuple[0],subtitleTuple[1])
-               self["subtitleLabel"].setText(subtitleString)
-               if subtitleTuple != self.last_subtitleTuple and not self.in_menu:
-                       self.doShow()
+               if subtitleTuple:
+                       subtitleString = ""
+                       if subtitleTuple[0] is not 0:
+                               subtitleString = "%d: %s" % (subtitleTuple[0],subtitleTuple[1])
+                       self["subtitleLabel"].setText(subtitleString)
+                       if subtitleTuple != self.last_subtitleTuple and not self.in_menu:
+                               self.doShow()
                self.last_subtitleTuple = subtitleTuple
 
        def __chapterUpdated(self):
-               self.currentChapter = self.service.info().getInfo(iServiceInformation.sCurrentChapter)
-               self.totalChapters = self.service.info().getInfo(iServiceInformation.sTotalChapters)
-               self.setChapterLabel()
-               print "__chapterUpdated: %d/%d" % (self.currentChapter, self.totalChapters)
+               info = self.getServiceInterface("info")
+               if info:
+                       self.currentChapter = info.getInfo(iServiceInformation.sCurrentChapter)
+                       self.totalChapters = info.getInfo(iServiceInformation.sTotalChapters)
+                       self.setChapterLabel()
+                       print "__chapterUpdated: %d/%d" % (self.currentChapter, self.totalChapters)
 
        def __titleUpdated(self):
-               self.currentTitle = self.service.info().getInfo(iServiceInformation.sCurrentTitle)
-               self.totalTitles = self.service.info().getInfo(iServiceInformation.sTotalTitles)
-               self.setChapterLabel()
-               print "__titleUpdated: %d/%d" % (self.currentTitle, self.totalTitles)
-               if not self.in_menu:
-                       self.doShow()
+               info = self.getServiceInterface("info")
+               if info:
+                       self.currentTitle = info.getInfo(iServiceInformation.sCurrentTitle)
+                       self.totalTitles = info.getInfo(iServiceInformation.sTotalTitles)
+                       self.setChapterLabel()
+                       print "__titleUpdated: %d/%d" % (self.currentTitle, self.totalTitles)
+                       if not self.in_menu:
+                               self.doShow()
                
        def askLeavePlayer(self):
                choices = [(_("Continue playing"), "play"), (_("Exit"), "exit")]
@@ -466,80 +494,72 @@ class DVDPlayer(Screen, InfoBarBase, InfoBarNotifications, InfoBarSeek, InfoBarP
                        choices.insert(1,(_("Return to file browser"), "browser"))                      
                self.session.openWithCallback(self.exitCB, ChoiceBox, title=_("Leave DVD Player?"), list = choices)
 
+       def sendKey(self, key):
+               keys = self.getServiceInterface("keys")
+               if keys:
+                       keys.keyPressed(key)
+               return keys
+
        def nextAudioTrack(self):
-               if self.service:
-                       self.service.keys().keyPressed(iServiceKeys.keyUser)
+               self.sendKey(iServiceKeys.keyUser)
 
        def nextSubtitleTrack(self):
-               if self.service:
-                       self.service.keys().keyPressed(iServiceKeys.keyUser+1)
+               self.sendKey(iServiceKeys.keyUser+1)
 
        def enterDVDAudioMenu(self):
-               if self.service:
-                       self.service.keys().keyPressed(iServiceKeys.keyUser+2)
+               self.sendKey(iServiceKeys.keyUser+2)
 
        def nextChapter(self):
-               if self.service:
-                       self.service.keys().keyPressed(iServiceKeys.keyUser+3)
+               self.sendKey(iServiceKeys.keyUser+3)
 
        def prevChapter(self):
-               if self.service:
-                       self.service.keys().keyPressed(iServiceKeys.keyUser+4)
+               self.sendKey(iServiceKeys.keyUser+4)
 
        def nextTitle(self):
-               if self.service:
-                       self.service.keys().keyPressed(iServiceKeys.keyUser+5)
+               self.sendKey(iServiceKeys.keyUser+5)
 
        def prevTitle(self):
-               if self.service:
-                       self.service.keys().keyPressed(iServiceKeys.keyUser+6)
+               self.sendKey(iServiceKeys.keyUser+6)
 
        def enterDVDMenu(self):
-               if self.service:
-                       self.service.keys().keyPressed(iServiceKeys.keyUser+7)
+               self.sendKey(iServiceKeys.keyUser+7)
 
        def seekBeginning(self):
                if self.service:
                        seekable = self.getSeek()
-                       if seekable is not None:
+                       if seekable:
                                seekable.seekTo(0)
 
        def zapToNumber(self, number):
                if self.service:
                        seekable = self.getSeek()
-                       if seekable is not None:
+                       if seekable:
                                print "seek to chapter %d" % number
                                seekable.seekChapter(number)
 
 #      MENU ACTIONS
        def keyRight(self):
-               if self.service:
-                       self.service.keys().keyPressed(iServiceKeys.keyRight)
+               self.sendKey(iServiceKeys.keyRight)
 
        def keyLeft(self):
-               if self.service:
-                       self.service.keys().keyPressed(iServiceKeys.keyLeft)
+               self.sendKey(iServiceKeys.keyLeft)
 
        def keyUp(self):
-               if self.service:
-                       self.service.keys().keyPressed(iServiceKeys.keyUp)
+               self.sendKey(iServiceKeys.keyUp)
 
        def keyDown(self):
-               if self.service:
-                       self.service.keys().keyPressed(iServiceKeys.keyDown)
+               self.sendKey(iServiceKeys.keyDown)
 
        def keyOk(self):
-               if self.service:
-                       if not self.in_menu:
-                               self.toggleInfo()
-                       self.service.keys().keyPressed(iServiceKeys.keyOk)
+               if self.sendKey(iServiceKeys.keyOk) and not self.in_menu:
+                       self.toggleInfo()
 
        def keyCancel(self):
                self.askLeavePlayer()
 
        def showFileBrowser(self):
                if self.physicalDVD and len(self.dvd_filelist) == 0:
-                       if self.dvd_device == "/dev/cdroms/cdrom0":
+                       if self.dvd_device == harddiskmanager.getAutofsMountpoint(harddiskmanager.getCD()):
                                self.session.openWithCallback(self.DVDdriveCB, MessageBox, text=_("Do you want to play DVD in drive?"), timeout=5 )
                        else:
                                self.DVDdriveCB(True)
@@ -596,9 +616,10 @@ class DVDPlayer(Screen, InfoBarBase, InfoBarNotifications, InfoBarSeek, InfoBarP
        def playLastCB(self, answer): # overwrite infobar cuesheet function
                print "playLastCB", answer, self.resume_point
                if self.service:
-                       seek = self.service.seek()
                        if answer == True:
-                               seek.seekTo(self.resume_point)
+                               seekable = self.getSeek()
+                               if seekable:
+                                       seekable.seekTo(self.resume_point)
                        pause = self.service.pause()
                        pause.unpause()
                self.hideAfterResume()