+
+class InfoBarSubtitleSupport(object):
+ def __init__(self):
+ object.__init__(self)
+ self.subtitle_window = self.session.instantiateDialog(SubtitleDisplay)
+ self.__subtitles_enabled = False
+
+ self.__event_tracker = ServiceEventTracker(screen=self, eventmap=
+ {
+ iPlayableService.evEnd: self.__serviceStopped,
+ iPlayableService.evUpdatedInfo: self.__updatedInfo
+ })
+ self.cached_subtitle_checked = False
+
+ def __serviceStopped(self):
+ self.subtitle_window.hide()
+ self.__subtitles_enabled = False
+ self.cached_subtitle_checked = False
+
+ def __updatedInfo(self):
+ if not self.cached_subtitle_checked:
+ subtitle = self.getCurrentServiceSubtitle()
+ self.cached_subtitle_checked = True
+ if subtitle:
+ self.__selected_subtitle = subtitle.getCachedSubtitle()
+ if self.__selected_subtitle:
+ subtitle.enableSubtitles(self.subtitle_window.instance, self.selected_subtitle)
+ self.subtitle_window.show()
+ self.__subtitles_enabled = True
+
+ def getCurrentServiceSubtitle(self):
+ service = self.session.nav.getCurrentService()
+ return service and service.subtitle()
+
+ def setSubtitlesEnable(self, enable=True):
+ subtitle = self.getCurrentServiceSubtitle()
+ if enable and self.__selected_subtitle is not None:
+ if subtitle and not self.__subtitles_enabled:
+ subtitle.enableSubtitles(self.subtitle_window.instance, self.selected_subtitle)
+ self.subtitle_window.show()
+ self.__subtitles_enabled = True
+ else:
+ if subtitle:
+ subtitle.disableSubtitles(self.subtitle_window.instance)
+ self.__subtitles_enabled = False
+ self.subtitle_window.hide()
+
+ def setSelectedSubtitle(self, subtitle):
+ self.__selected_subtitle = subtitle
+
+ subtitles_enabled = property(lambda self: self.__subtitles_enabled, setSubtitlesEnable)
+ selected_subtitle = property(lambda self: self.__selected_subtitle, setSelectedSubtitle)