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 from __future__ import absolute_import
  21
  22 import logging
  23 import dbus
  24 import dbus.service
  25
  26 session_bus = dbus.SessionBus()
  27
  28 from panucci import util
  29
  30 class panucciInterface(dbus.service.Object):
  31     """ Panucci's d-bus interface """
  32
  33     def __init__(self, bus_name, path='/panucciInterface'):
  34         self.__log = logging.getLogger('panucci.dbusinterface.panucciInterface')
  35         dbus.service.Object.__init__(self, object_path=path, bus_name=bus_name)
  36
  37         self.player = None
  38         self.gui = None
  39         self.headset_device = None
  40
  41         if util.platform.MAEMO:
  42             headset_button = dbus.SystemBus().get_object(
  43                 'org.freedesktop.Hal', '/org/freedesktop/Hal/devices/'
  44                 'platform_retu_headset_logicaldev_input' )
  45             self.headset_device = dbus.Interface(
  46                 headset_button, 'org.freedesktop.Hal.Device')
  47
  48     def register_player(self, player):
  49         self.__log.debug('Registered player.')
  50         self.player = player
  51
  52     def register_gui(self, gui):
  53         self.__log.debug('Registered GUI.')
  54         self.gui = gui
  55
  56     def start_service_by_name_noblock(
  57         self, service_name, reply_handler=None, error_handler=None ):
  58         # it's dbus.SessionBus.start_service_by_name except it doesn't block
  59
  60         return session_bus.call_async(
  61             dbus.BUS_DAEMON_NAME, dbus.BUS_DAEMON_PATH, dbus.BUS_DAEMON_IFACE,
  62             'StartServiceByName', 'su', ( service_name, 0 ), None, None )
  63
  64     @dbus.service.method('org.panucci.panucciInterface')
  65     def play(self):
  66         self.__log.debug('play() called')
  67         if self.player is not None: self.player.play()
  68
  69     @dbus.service.method('org.panucci.panucciInterface')
  70     def pause(self):
  71         self.__log.debug('pause() called')
  72         if self.player is not None: self.player.pause()
  73
  74     @dbus.service.method('org.panucci.panucciInterface')
  75     def stop(self):
  76         self.__log.debug('stop() called')
  77         if self.player is not None: self.player.stop()
  78
  79     @dbus.service.method('org.panucci.panucciInterface')
  80     def playPause(self):
  81         self.__log.debug('playPause() called')
  82         if self.player is not None: self.player.play_pause_toggle()
  83
  84     @dbus.service.method('org.panucci.panucciInterface', in_signature='s')
  85     def play_file(self, filepath):
  86         self.__log.debug('play_file() called')
  87         if self.player is not None:
  88             self.player.playlist.load(filepath)
  89             self.player.play()
  90
  91     @dbus.service.method('org.panucci.panucciInterface', in_signature='s')
  92     def queue_file(self, filepath):
  93         self.__log.debug('queue_file() called')
  94         if self.player is not None: self.player.playlist.append(filepath)
  95
  96     @dbus.service.method('org.panucci.panucciInterface', in_signature='su')
  97     def insert_file(self, pos, filepath):
  98         self.__log.debug('insert_file() called')
  99         if self.player is not None: self.player.playlist.insert(pos, filepath)
 100
 101     @dbus.service.method('org.panucci.panucciInterface', in_signature='sb')
 102     def load_directory(self, directory, append):
 103         self.__log.debug('load_directory() called')
 104         if self.player is not None: self.player.playlist.load_directory(
 105             directory, append )
 106
 107     @dbus.service.method('org.panucci.panucciInterface')
 108     def show_main_window(self):
 109         self.__log.debug('show_main_window() called')
 110         if self.gui is not None: self.gui.show_main_window()
 111
 112     # Signals for gPodder's media player integration
 113     @dbus.service.signal(dbus_interface='org.gpodder.player', signature='us')
 114     def PlaybackStarted(self, position, file_uri):
 115         pass
 116
 117     @dbus.service.signal(dbus_interface='org.gpodder.player', signature='uuus')
 118     def PlaybackStopped(self, start_position, end_position, total_time, \
 119             file_uri):
 120         pass
 121
 122     @dbus.service.signal(dbus_interface='org.gpodder.player', signature='uussb')
 123     def ChapterAdded(self, start_position, end_position, file_uri, name, \
 124             advertising):
 125         pass
 126
 127     @dbus.service.signal(dbus_interface='org.gpodder.player', signature='uus')
 128     def ChapterRemoved(self, start_position, end_position, file_uri):
 129         pass
 130
 131 interface = panucciInterface(
 132     dbus.service.BusName('org.panucci.panucciInterface', session_bus) )
 133