src/gpodder/player.py

   1 # -*- coding: utf-8 -*-
   2 #
   3 # gPodder - A media aggregator and podcast client
   4 # Copyright (c) 2005-2010 Thomas Perl and the gPodder Team
   5 #
   6 # gPodder is free software; you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation; either version 3 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # gPodder is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18 #
  19
  20 #
  21 # gpodder.player - Podcatcher implementation of the Media Player D-Bus API
  22 # Thomas Perl <thp@gpodder.org>; 2010-04-25
  23 #
  24 # Specification: http://gpodder.org/wiki/Media_Player_D-Bus_API
  25 #
  26
  27
  28 try:
  29     import dbus
  30 except ImportError:
  31     # Import Mock D-Bus interfaces when D-Bus bindings are not installed
  32     from gpodder.gui import dbus
  33
  34
  35 class MediaPlayerDBusReceiver(object):
  36     INTERFACE = 'org.gpodder.player'
  37     SIGNAL_STARTED = 'PlaybackStarted'
  38     SIGNAL_STOPPED = 'PlaybackStopped'
  39
  40     def __init__(self, on_play_event):
  41         self.on_play_event = on_play_event
  42
  43         self.bus = dbus.SessionBus()
  44         self.bus.add_signal_receiver(self.on_playback_started, \
  45                                      self.SIGNAL_STARTED, \
  46                                      self.INTERFACE, \
  47                                      None, \
  48                                      None)
  49         self.bus.add_signal_receiver(self.on_playback_stopped, \
  50                                      self.SIGNAL_STOPPED, \
  51                                      self.INTERFACE, \
  52                                      None, \
  53                                      None)
  54
  55     def on_playback_started(self, position, file_uri):
  56         pass
  57
  58     def on_playback_stopped(self, start, end, total, file_uri):
  59         if file_uri.startswith('/'):
  60             file_uri = 'file://' + file_uri
  61         self.on_play_event(start, end, total, file_uri)
  62