/usr/lib/totem/plugins/dbus/dbusservice.py is in totem-plugins 3.10.1-1ubuntu4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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## Totem D-Bus plugin
## Copyright (C) 2009 Lucky <lucky1.data@gmail.com>
## Copyright (C) 2009 Philip Withnall <philip@tecnocode.co.uk>
##
## This program is free software; you can redistribute it and/or modify
## it under the terms of the GNU General Public License as published by
## the Free Software Foundation; either version 2 of the License, or
## (at your option) any later version.
##
## This program is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
## GNU General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with this program; if not, write to the Free Software
## Foundation, Inc., 51 Franklin St, Fifth Floor,
## Boston, MA 02110-1301 USA.
##
## Sunday 13th May 2007: Bastien Nocera: Add exception clause.
## See license_change file for details.
import gettext
from gi.repository import GObject, Peas, Totem # pylint: disable-msg=E0611
import dbus, dbus.service
from dbus.mainloop.glib import DBusGMainLoop
gettext.textdomain ("totem")
_ = gettext.gettext
class DbusService (GObject.Object, Peas.Activatable):
__gtype_name__ = 'DbusService'
object = GObject.property (type = GObject.Object)
def __init__ (self):
GObject.Object.__init__ (self)
self.root = None
def do_activate (self):
DBusGMainLoop (set_as_default = True)
name = dbus.service.BusName ('org.mpris.MediaPlayer2.totem',
bus = dbus.SessionBus ())
self.root = Root (name, self.object)
def do_deactivate (self):
# Ensure we don't leak our paths on the bus
self.root.disconnect ()
class Root (dbus.service.Object): # pylint: disable-msg=R0923,R0904
def __init__ (self, name, totem):
dbus.service.Object.__init__ (self, name, '/org/mpris/MediaPlayer2')
self.totem = totem
self.null_metadata = {
'year' : u'', 'tracknumber' : '', 'location' : '',
'title' : u'', 'album' : u'', 'time' : u'', 'genre' : u'',
'artist' : u''
}
self.current_metadata = self.null_metadata.copy ()
self.current_position = 0
totem.connect ('metadata-updated', self.__do_update_metadata)
totem.connect ('notify::playing', self.__do_notify_playing)
totem.connect ('notify::seekable', self.__do_notify_seekable)
totem.connect ('notify::current-mrl', self.__do_notify_current_mrl)
totem.connect ('notify::current-time', self.__do_notify_current_time)
def disconnect (self):
self.totem.disconnect_by_func (self.__do_notify_current_time)
self.totem.disconnect_by_func (self.__do_notify_current_mrl)
self.totem.disconnect_by_func (self.__do_notify_seekable)
self.totem.disconnect_by_func (self.__do_notify_playing)
self.totem.disconnect_by_func (self.__do_update_metadata)
self.__do_update_metadata (self.totem, '', '', '', 0)
self.remove_from_connection (None, None)
def __calculate_playback_status (self):
if self.totem.is_playing ():
return 'Playing'
elif self.totem.is_paused ():
return 'Paused'
else:
return 'Stopped'
def __calculate_metadata (self):
metadata = {
'mpris:trackid': dbus.String (self.totem.props.current_mrl,
variant_level = 1),
'mpris:length': dbus.Int64 (
self.totem.props.stream_length * 1000L,
variant_level = 1),
}
if self.current_metadata['title'] != '':
metadata['xesam:title'] = dbus.String (
self.current_metadata['title'], variant_level = 1)
if self.current_metadata['artist'] != '':
metadata['xesam:artist'] = dbus.Array (
[ self.current_metadata['artist'] ], variant_level = 1)
if self.current_metadata['album'] != '':
metadata['xesam:album'] = dbus.String (
self.current_metadata['album'], variant_level = 1)
if self.current_metadata['tracknumber'] != '':
metadata['xesam:trackNumber'] = dbus.Int32 (
self.current_metadata['tracknumber'], variant_level = 1)
return metadata
def __do_update_metadata (self, totem, artist, # pylint: disable-msg=R0913
title, album, num):
self.current_metadata = self.null_metadata.copy ()
if title:
self.current_metadata['title'] = unicode (title, 'utf-8')
if artist:
self.current_metadata['artist'] = unicode (artist, 'utf-8')
if album:
self.current_metadata['album'] = unicode (album, 'utf-8')
if num:
self.current_metadata['tracknumber'] = num
self.PropertiesChanged ('org.mpris.MediaPlayer2.Player',
{ 'Metadata': self.__calculate_metadata () }, [])
def __do_notify_playing (self, totem, prop):
self.PropertiesChanged ('org.mpris.MediaPlayer2.Player',
{ 'PlaybackStatus': self.__calculate_playback_status () }, [])
def __do_notify_current_mrl (self, totem, prop):
self.PropertiesChanged ('org.mpris.MediaPlayer2.Player', {
'CanPlay': (self.totem.props.current_mrl != None),
'CanPause': (self.totem.props.current_mrl != None),
'CanSeek': (self.totem.props.current_mrl != None and
self.totem.props.seekable),
}, [])
def __do_notify_seekable (self, totem, prop):
self.PropertiesChanged ('org.mpris.MediaPlayer2.Player', {
'CanSeek': (self.totem.props.current_mrl != None and
self.totem.props.seekable),
}, [])
def __do_notify_current_time (self, totem, prop):
# Only notify of seeks if we've skipped more than 3 seconds
if abs (totem.props.current_time - self.current_position) > 3:
self.Seeked (totem.props.current_time * 1000L)
self.current_position = totem.props.current_time
# org.freedesktop.DBus.Properties interface
@dbus.service.method (dbus_interface = dbus.PROPERTIES_IFACE,
in_signature = 'ss', # pylint: disable-msg=C0103
out_signature = 'v')
def Get (self, interface_name, property_name):
return self.GetAll (interface_name)[property_name]
@dbus.service.method (dbus_interface = dbus.PROPERTIES_IFACE,
in_signature = 's', # pylint: disable-msg=C0103
out_signature = 'a{sv}')
def GetAll (self, interface_name):
if interface_name == 'org.mpris.MediaPlayer2':
return {
'CanQuit': True,
'CanRaise': True,
'HasTrackList': False,
'Identity': self.totem.get_version (),
'DesktopEntry': 'totem',
'SupportedUriSchemes': self.totem.get_supported_uri_schemes (),
'SupportedMimeTypes': self.totem.get_supported_content_types (),
}
elif interface_name == 'org.mpris.MediaPlayer2.Player':
# Loop status (we don't support Track)
if self.totem.action_remote_get_setting (
Totem.RemoteSetting.REPEAT):
loop_status = 'Playlist'
else:
loop_status = 'None'
# Shuffle
shuffle = self.totem.action_remote_get_setting (
Totem.RemoteSetting.SHUFFLE)
return {
'PlaybackStatus': self.__calculate_playback_status (),
'LoopStatus': loop_status, # TODO: Notifications
'Rate': 1.0,
'MinimumRate': 1.0,
'MaximumRate': 1.0,
'Shuffle': shuffle, # TODO: Notifications
'Metadata': self.__calculate_metadata (),
'Volume': self.totem.get_volume (), # TODO: Notifications
'Position': self.totem.props.current_time * 1000L,
'CanGoNext': True, # TODO
'CanGoPrevious': True, # TODO
'CanPlay': (self.totem.props.current_mrl != None),
'CanPause': (self.totem.props.current_mrl != None),
'CanSeek': (self.totem.props.current_mrl != None and
self.totem.props.seekable),
'CanControl': True,
}
raise dbus.exceptions.DBusException (
'org.mpris.MediaPlayer2.UnknownInterface',
_(u'The MediaPlayer2 object does not implement the ‘%s’ interface')
% interface_name)
@dbus.service.method (dbus_interface = dbus.PROPERTIES_IFACE,
in_signature = 'ssv') # pylint: disable-msg=C0103
def Set (self, interface_name, property_name, new_value):
if interface_name == 'org.mpris.MediaPlayer2':
raise dbus.exceptions.DBusException (
'org.mpris.MediaPlayer2.ReadOnlyProperty',
_(u'The property ‘%s’ is not writeable.'))
elif interface_name == 'org.mpris.MediaPlayer2.Player':
if property_name == 'LoopStatus':
self.totem.action_remote_set_setting (
Totem.RemoteSetting.REPEAT, (new_value == 'Playlist'))
elif property_name == 'Rate':
# Ignore, since we don't support setting the rate
pass
elif property_name == 'Shuffle':
self.totem.action_remote_set_setting (
Totem.RemoteSetting.SHUFFLE, new_value)
elif property_name == 'Volume':
self.totem.action_volume (new_value)
raise dbus.exceptions.DBusException (
'org.mpris.MediaPlayer2.ReadOnlyProperty',
_(u'Unknown property ‘%s’ requested of a MediaPlayer 2 object')
% interface_name)
raise dbus.exceptions.DBusException (
'org.mpris.MediaPlayer2.UnknownInterface',
_(u'The MediaPlayer2 object does not implement the ‘%s’ interface')
% interface_name)
@dbus.service.signal (dbus_interface = dbus.PROPERTIES_IFACE,
signature = 'sa{sv}as') # pylint: disable-msg=C0103
def PropertiesChanged (self, interface_name, changed_properties,
invalidated_properties):
pass
# org.mpris.MediaPlayer2 interface
@dbus.service.method (dbus_interface = 'org.mpris.MediaPlayer2',
in_signature = '', # pylint: disable-msg=C0103
out_signature = '')
def Raise (self):
main_window = self.totem.get_main_window ()
main_window.present ()
@dbus.service.method (dbus_interface = 'org.mpris.MediaPlayer2',
in_signature = '', # pylint: disable-msg=C0103
out_signature = '')
def Quit (self):
self.totem.action_exit ()
# org.mpris.MediaPlayer2.Player interface
@dbus.service.method (dbus_interface = 'org.mpris.MediaPlayer2.Player',
in_signature = '', # pylint: disable-msg=C0103
out_signature = '')
def Next (self):
if self.totem.is_playing () or self.totem.is_paused ():
return
self.totem.action_next ()
@dbus.service.method (dbus_interface = 'org.mpris.MediaPlayer2.Player',
in_signature = '', # pylint: disable-msg=C0103
out_signature = '')
def Previous (self):
if self.totem.is_playing () or self.totem.is_paused ():
return
self.totem.action_previous ()
@dbus.service.method (dbus_interface = 'org.mpris.MediaPlayer2.Player',
in_signature = '', # pylint: disable-msg=C0103
out_signature = '')
def Pause (self):
self.totem.action_pause ()
@dbus.service.method (dbus_interface = 'org.mpris.MediaPlayer2.Player',
in_signature = '', # pylint: disable-msg=C0103
out_signature = '')
def PlayPause (self):
self.totem.action_play_pause ()
@dbus.service.method (dbus_interface = 'org.mpris.MediaPlayer2.Player',
in_signature = '', # pylint: disable-msg=C0103
out_signature = '')
def Stop (self):
self.totem.action_stop ()
@dbus.service.method (dbus_interface = 'org.mpris.MediaPlayer2.Player',
in_signature = '', # pylint: disable-msg=C0103
out_signature = '')
def Play (self):
# If playing or no track loaded: do nothing,
# else: start playing.
if self.totem.is_playing () or self.totem.props.current_mrl == None:
return
self.totem.action_play ()
@dbus.service.method (dbus_interface = 'org.mpris.MediaPlayer2.Player',
in_signature = 'x', # pylint: disable-msg=C0103
out_signature = '')
def Seek (self, offset):
self.totem.action_seek_relative (offset / 1000L, False)
@dbus.service.method (dbus_interface = 'org.mpris.MediaPlayer2.Player',
in_signature = 'ox', # pylint: disable-msg=C0103
out_signature = '')
def SetPosition (self, track_id, position):
position = position / 1000L
# Bail if the position is not in the permitted range
if position < 0 or position > self.totem.props.stream_length:
return
self.totem.action_seek_time (position, False)
@dbus.service.method (dbus_interface = 'org.mpris.MediaPlayer2.Player',
in_signature = 's', # pylint: disable-msg=C0103
out_signature = '')
def OpenUri (self, uri):
if self.totem.action_set_mrl (uri):
self.totem.action_play ()
raise dbus.exceptions.DBusException (
'org.mpris.MediaPlayer2.InvalidUri',
_(u'The URI ‘%s’ is not supported.') % uri)
@dbus.service.signal (dbus_interface = 'org.mpris.MediaPlayer2.Player',
signature = 'x') # pylint: disable-msg=C0103
def Seeked (self, position):
pass
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