git.maemo.org Git - watersofshiloah/blob - src/player.py

   1 import logging
   2
   3 import gobject
   4
   5 import util.misc as misc_utils
   6 import stream
   7
   8
   9 _moduleLogger = logging.getLogger(__name__)
  10
  11
  12 class Player(gobject.GObject):
  13
  14         __gsignals__ = {
  15                 'state_change' : (
  16                         gobject.SIGNAL_RUN_LAST,
  17                         gobject.TYPE_NONE,
  18                         (gobject.TYPE_PYOBJECT, ),
  19                 ),
  20                 'title_change' : (
  21                         gobject.SIGNAL_RUN_LAST,
  22                         gobject.TYPE_NONE,
  23                         (gobject.TYPE_PYOBJECT, ),
  24                 ),
  25                 'error' : (
  26                         gobject.SIGNAL_RUN_LAST,
  27                         gobject.TYPE_NONE,
  28                         (gobject.TYPE_PYOBJECT, gobject.TYPE_PYOBJECT),
  29                 ),
  30         }
  31
  32         STATE_PLAY = stream.GSTStream.STATE_PLAY
  33         STATE_PAUSE = stream.GSTStream.STATE_PAUSE
  34         STATE_STOP = stream.GSTStream.STATE_STOP
  35
  36         def __init__(self, index):
  37                 gobject.GObject.__init__(self)
  38                 self._index = index
  39                 self._node = None
  40                 self._stream = stream.GSTStream()
  41                 self._stream.connect("state-change", self._on_stream_state)
  42                 self._stream.connect("eof", self._on_stream_eof)
  43                 self._stream.connect("error", self._on_stream_error)
  44
  45         def set_piece_by_node(self, node):
  46                 assert node is None or node.is_leaf(), node
  47                 if self._node is node:
  48                         return
  49                 self._node = node
  50                 if self._node is not None:
  51                         self._stream.set_file(self._node.uri)
  52                 _moduleLogger.info("New node %r" % self._node)
  53                 self.emit("title_change", self._node)
  54
  55         @property
  56         def node(self):
  57                 return self._node
  58
  59         @property
  60         def title(self):
  61                 if self._node is None:
  62                         return ""
  63                 return self._node.title
  64
  65         @property
  66         def subtitle(self):
  67                 if self._node is None:
  68                         return ""
  69                 return self._node.subtitle
  70
  71         @property
  72         def can_navigate(self):
  73                 if self._node is None:
  74                         return False
  75                 return self.node.can_navigate
  76
  77         @property
  78         def state(self):
  79                 return self._stream.state
  80
  81         def play(self):
  82                 _moduleLogger.info("play")
  83                 self._stream.play()
  84
  85         def pause(self):
  86                 _moduleLogger.info("pause")
  87                 self._stream.pause()
  88
  89         def stop(self):
  90                 _moduleLogger.info("stop")
  91                 self._stream.stop()
  92                 self.set_piece_by_node(None)
  93
  94         def back(self):
  95                 _moduleLogger.info("back")
  96
  97         def next(self):
  98                 _moduleLogger.info("next")
  99
 100         @misc_utils.log_exception(_moduleLogger)
 101         def _on_stream_state(self, s, state):
 102                 _moduleLogger.info("State change %r" % state)
 103                 self.emit("state_change", state)
 104
 105         @misc_utils.log_exception(_moduleLogger)
 106         def _on_stream_eof(self, s, uri):
 107                 _moduleLogger.info("EOF %s" % uri)
 108                 self.next()
 109
 110         @misc_utils.log_exception(_moduleLogger)
 111         def _on_stream_error(self, s, error, debug):
 112                 _moduleLogger.info("Error %s %s" % (error, debug))
 113                 self.emit("error", error, debug)
 114
 115
 116 gobject.type_register(Player)