src/panucci/dbusinterface.py

   1 #!/usr/bin/env python
   2 #
   3 # This file is part of Panucci.
   4 # Copyright (c) 2008-2010 The Panucci Audiobook and Podcast Player Project
   5 #
   6 # Panucci 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 # Panucci 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 Panucci.  If not, see <http://www.gnu.org/licenses/>.
  18 #
  19
  20 import logging
  21 import dbus
  22 import dbus.service
  23
  24 session_bus = dbus.SessionBus()
  25
  26 import util
  27
  28 class panucciInterface(dbus.service.Object):
  29     """ Panucci's d-bus interface """
  30
  31     def __init__(self, bus_name, path='/panucciInterface'):
  32         self.__log = logging.getLogger('panucci.dbusinterface.panucciInterface')
  33         dbus.service.Object.__init__(self, object_path=path, bus_name=bus_name)
  34
  35         self.player = None
  36         self.gui = None
  37         self.headset_device = None
  38
  39         if util.platform.MAEMO:
  40             headset_button = dbus.SystemBus().get_object(
  41                 'org.freedesktop.Hal', '/org/freedesktop/Hal/devices/'
  42                 'platform_retu_headset_logicaldev_input' )
  43             self.headset_device = dbus.Interface(
  44                 headset_button, 'org.freedesktop.Hal.Device')
  45
  46     def register_player(self, player):
  47         self.__log.debug('Registered player.')
  48         self.player = player
  49
  50     def register_gui(self, gui):
  51         self.__log.debug('Registered GUI.')
  52         self.gui = gui
  53
  54     def start_service_by_name_noblock(
  55         self, service_name, reply_handler=None, error_handler=None ):
  56         # it's dbus.SessionBus.start_service_by_name except it doesn't block
  57
  58         return session_bus.call_async(
  59             dbus.BUS_DAEMON_NAME, dbus.BUS_DAEMON_PATH, dbus.BUS_DAEMON_IFACE,
  60             'StartServiceByName', 'su', ( service_name, 0 ), None, None )
  61
  62     @dbus.service.method('org.panucci.panucciInterface')
  63     def play(self):
  64         self.__log.debug('play() called')
  65         if self.player is not None: self.player.play()
  66
  67     @dbus.service.method('org.panucci.panucciInterface')
  68     def pause(self):
  69         self.__log.debug('pause() called')
  70         if self.player is not None: self.player.pause()
  71
  72     @dbus.service.method('org.panucci.panucciInterface')
  73     def stop(self):
  74         self.__log.debug('stop() called')
  75         if self.player is not None: self.player.stop()
  76
  77     @dbus.service.method('org.panucci.panucciInterface')
  78     def playPause(self):
  79         self.__log.debug('playPause() called')
  80         if self.player is not None: self.player.play_pause_toggle()
  81
  82     @dbus.service.method('org.panucci.panucciInterface', in_signature='s')
  83     def play_file(self, filepath):
  84         self.__log.debug('play_file() called')
  85         if self.player is not None:
  86             self.player.playlist.load(filepath)
  87             self.player.play()
  88
  89     @dbus.service.method('org.panucci.panucciInterface', in_signature='s')
  90     def queue_file(self, filepath):
  91         self.__log.debug('queue_file() called')
  92         if self.player is not None: self.player.playlist.append(filepath)
  93
  94     @dbus.service.method('org.panucci.panucciInterface', in_signature='su')
  95     def insert_file(self, pos, filepath):
  96         self.__log.debug('insert_file() called')
  97         if self.player is not None: self.player.playlist.insert(pos, filepath)
  98
  99     @dbus.service.method('org.panucci.panucciInterface', in_signature='sb')
 100     def load_directory(self, directory, append):
 101         self.__log.debug('load_directory() called')
 102         if self.player is not None: self.player.playlist.load_directory(
 103             directory, append )
 104
 105     @dbus.service.method('org.panucci.panucciInterface')
 106     def show_main_window(self):
 107         self.__log.debug('show_main_window() called')
 108         if self.gui is not None: self.gui.show_main_window()
 109
 110     # Signals for gPodder's media player integration
 111     @dbus.service.signal(dbus_interface='org.gpodder.player', signature='us')
 112     def PlaybackStarted(self, position, file_uri):
 113         pass
 114
 115     @dbus.service.signal(dbus_interface='org.gpodder.player', signature='uuus')
 116     def PlaybackStopped(self, start_position, end_position, total_time, \
 117             file_uri):
 118         pass
 119
 120     @dbus.service.signal(dbus_interface='org.gpodder.player', signature='uussb')
 121     def ChapterAdded(self, start_position, end_position, file_uri, name, \
 122             advertising):
 123         pass
 124
 125     @dbus.service.signal(dbus_interface='org.gpodder.player', signature='uus')
 126     def ChapterRemoved(self, start_position, end_position, file_uri):
 127         pass
 128
 129 interface = panucciInterface(
 130     dbus.service.BusName('org.panucci.panucciInterface', session_bus) )
 131