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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 totem
import gobject, gtk
import dbus, dbus.service
from dbus.mainloop.glib import DBusGMainLoop
class dbusservice(totem.Plugin):
def __init__(self):
totem.Plugin.__init__(self)
def activate(self, totem):
DBusGMainLoop(set_as_default = True)
name = dbus.service.BusName ('org.mpris.Totem', bus = dbus.SessionBus ())
self.root = Root (name, totem)
self.player = Player (name, totem)
self.track_list = TrackList (name, totem)
def deactivate(self, totem):
self.root.disconnect() # ensure we don't leak our paths on the bus
self.player.disconnect()
self.track_list.disconnect()
class Root (dbus.service.Object):
def __init__(self, name, totem):
dbus.service.Object.__init__ (self, name, '/')
self.totem = totem
def disconnect(self):
self.remove_from_connection(None, None)
@dbus.service.method(dbus_interface='org.freedesktop.MediaPlayer', in_signature='', out_signature='s')
def Identity(self):
return self.totem.get_version()
@dbus.service.method(dbus_interface='org.freedesktop.MediaPlayer', in_signature='', out_signature='')
def Quit(self):
self.totem.action_exit()
@dbus.service.method(dbus_interface='org.freedesktop.MediaPlayer', in_signature='', out_signature='(qq)')
def MprisVersion(self):
return dbus.Struct((dbus.UInt16(1), dbus.UInt16(0)), signature='(qq)')
class Player(dbus.service.Object):
def __init__(self, name, totem):
dbus.service.Object.__init__(self, name, '/Player')
self.totem = totem
self.null_metadata = {"year" : "", "tracknumber" : "", "location" : "",
"title" : "", "album" : "", "time" : "", "genre" : "", "artist" : ""}
self.old_metadata = self.null_metadata.copy()
self.current_metadata = self.null_metadata.copy()
self.old_caps = 64 # at startup, we can only support a playlist
self.old_status = (2, 0, 0, 0) # startup state
totem.connect("metadata-updated", self.do_update_metadata)
totem.connect("notify::playing", self.do_notify)
totem.connect("notify::seekable", self.do_notify)
totem.connect("notify::current-mrl", self.do_notify)
def do_update_metadata(self, totem, artist, title, album, num):
self.current_metadata = self.null_metadata.copy()
if title:
self.current_metadata["title"] = title
if artist:
self.current_metadata["artist"] = artist
if album:
self.current_metadata["album"] = album
if num:
self.current_metadata["tracknumber"] = num
if totem.is_playing():
self.track_change(self.current_metadata)
def do_notify(self, totem, status):
if totem.is_playing():
self.track_change(self.current_metadata)
else:
self.track_change(self.null_metadata)
status = self.calculate_status()
if status != self.old_status:
self.status_change(status)
caps = self.calculate_caps()
if caps != self.old_caps:
self.caps_change(caps)
def calculate_status(self):
if self.totem.is_playing():
playing_status = 0
elif self.totem.is_paused():
playing_status = 1
else:
playing_status = 2
if self.totem.action_remote_get_setting(totem.REMOTE_SETTING_SHUFFLE):
shuffle_status = 1
else:
shuffle_status = 0
if self.totem.action_remote_get_setting(totem.REMOTE_SETTING_REPEAT):
repeat_status = 1
else:
repeat_status = 0
return (
dbus.Int32(playing_status), # 0 = Playing, 1 = Paused, 2 = Stopped
dbus.Int32(self.totem.action_remote_get_setting(totem.REMOTE_SETTING_SHUFFLE)), # 0 = Playing linearly , 1 = Playing randomly
dbus.Int32(0), # 0 = Go to the next element once the current has finished playing , 1 = Repeat the current element
dbus.Int32(self.totem.action_remote_get_setting(totem.REMOTE_SETTING_REPEAT)) # 0 = Stop playing once the last element has been played, 1 = Never give up playing
)
def calculate_caps(self):
caps = 64 # we can always have a playlist
playlist_length = self.totem.get_playlist_length()
playlist_pos = self.totem.get_playlist_pos()
if playlist_pos < playlist_length - 1:
caps |= 1 << 0 # go next
if playlist_pos > 0:
caps |= 1 << 1 # go previous
if playlist_length > 0:
caps |= 1 << 2 # pause
caps |= 1 << 3 # play
if self.totem.is_seekable():
caps |= 1 << 4 # seek
if self.current_metadata != self.null_metadata:
caps |= 1 << 5 # get metadata
return caps
def track_change(self, metadata):
if self.old_metadata != metadata:
self.old_metadata = metadata.copy()
self.TrackChange(metadata)
def status_change(self, status):
if self.old_status != status:
self.old_status = status
self.StatusChange(status)
def caps_change(self, caps):
if self.old_caps != caps:
self.old_caps = caps
self.CapsChange(caps)
def disconnect(self):
self.TrackChange(self.null_metadata)
self.remove_from_connection(None, None)
@dbus.service.signal(dbus_interface = "org.freedesktop.MediaPlayer", signature='a{sv}')
def TrackChange(self, metadata):
pass
@dbus.service.signal(dbus_interface = "org.freedesktop.MediaPlayer", signature='(iiii)')
def StatusChange(self, status):
pass
@dbus.service.signal(dbus_interface = "org.freedesktop.MediaPlayer", signature='i')
def CapsChange(self, caps):
pass
@dbus.service.method(dbus_interface='org.freedesktop.MediaPlayer', in_signature='', out_signature='')
def Next(self):
self.totem.action_next()
@dbus.service.method(dbus_interface='org.freedesktop.MediaPlayer', in_signature='', out_signature='')
def Prev(self):
self.totem.action_previous()
@dbus.service.method(dbus_interface='org.freedesktop.MediaPlayer', in_signature='', out_signature='')
def Pause(self):
self.totem.action_play_pause()
@dbus.service.method(dbus_interface='org.freedesktop.MediaPlayer', in_signature='', out_signature='')
def Stop(self):
self.totem.action_stop()
@dbus.service.method(dbus_interface='org.freedesktop.MediaPlayer', in_signature='', out_signature='')
def Play(self):
# If playing : rewind to the beginning of current track, else : start playing.
if self.totem.is_playing():
self.totem.action_seek_time(0)
else:
self.totem.action_play()
@dbus.service.method(dbus_interface='org.freedesktop.MediaPlayer', in_signature='b', out_signature='')
def Repeat(self, value):
pass # we don't support repeating individual tracks
@dbus.service.method(dbus_interface='org.freedesktop.MediaPlayer', in_signature='', out_signature='(iiii)')
def GetStatus(self):
status = self.calculate_status()
self.old_status = status
return dbus.Struct(status, signature='(iiii)')
@dbus.service.method(dbus_interface='org.freedesktop.MediaPlayer', in_signature='', out_signature='a{sv}')
def GetMetadata(self):
return self.current_metadata
@dbus.service.method(dbus_interface='org.freedesktop.MediaPlayer', in_signature='', out_signature='i')
def GetCaps(self):
caps = self.calculate_caps()
self.old_caps = caps
return caps
@dbus.service.method(dbus_interface='org.freedesktop.MediaPlayer', in_signature='i', out_signature='')
def VolumeSet(self, volume):
self.totem.action_volume(volume / 100.0)
@dbus.service.method(dbus_interface='org.freedesktop.MediaPlayer', in_signature='', out_signature='i')
def VolumeGet(self):
return dbus.Int32(self.totem.get_volume() * 100)
@dbus.service.method(dbus_interface='org.freedesktop.MediaPlayer', in_signature='i', out_signature='')
def PositionSet(self, position):
self.totem.action_seek_time(position)
@dbus.service.method(dbus_interface='org.freedesktop.MediaPlayer', in_signature='', out_signature='i')
def PositionGet(self):
return dbus.Int32(self.totem.props.current_time)
class TrackList(dbus.service.Object):
def __init__(self, name, totem):
dbus.service.Object.__init__(self, name, '/TrackList')
self.totem = totem
def disconnect(self):
self.remove_from_connection(None, None)
@dbus.service.signal(dbus_interface = "org.freedesktop.MediaPlayer", signature='i')
def TrackListChange(self, length):
# TODO: we can't implement this until TotemPlaylist is exposed in the Python API
pass
@dbus.service.method(dbus_interface='org.freedesktop.MediaPlayer', in_signature='i', out_signature='a{sv}')
def GetMetadata(self, pos):
# Since the API doesn't currently exist in Totem to get the rest of the metadata, we can only return the title
return { "title" : self.totem.get_title_at_playlist_pos(pos) }
@dbus.service.method(dbus_interface='org.freedesktop.MediaPlayer', in_signature='', out_signature='i')
def GetCurrentTrack(self):
return self.totem.get_playlist_pos()
@dbus.service.method(dbus_interface='org.freedesktop.MediaPlayer', in_signature='', out_signature='i')
def GetLength(self):
return self.totem.get_playlist_length()
@dbus.service.method(dbus_interface='org.freedesktop.MediaPlayer', in_signature='sb', out_signature='i')
def AddTrack(self, uri, play_immediately):
# We can't currently support !play_immediately
self.totem.add_to_playlist_and_play(uri, '', True)
return 0
@dbus.service.method(dbus_interface='org.freedesktop.MediaPlayer', in_signature='i', out_signature='')
def DelTrack(self, pos):
# TODO: we need TotemPlaylist exposed by the Python API for this
pass
@dbus.service.method(dbus_interface='org.freedesktop.MediaPlayer', in_signature='b', out_signature='')
def SetLoop(self, loop):
self.totem.action_remote_set_setting(totem.REMOTE_SETTING_REPEAT, loop)
@dbus.service.method(dbus_interface='org.freedesktop.MediaPlayer', in_signature='b', out_signature='')
def SetRandom(self, random):
self.totem.action_remote_set_setting(totem.REMOTE_SETTING_SHUFFLE, random)
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