vlc/extras/mpris.py
2007-12-31 03:02:30 +00:00

389 lines
11 KiB
Python
Executable File

#!/usr/bin/env python
# -*- coding: utf8 -*-
#
# Copyright © 2006-2007 Rafaël Carré <funman at videolanorg>
#
# $Id$
#
# 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 Street, Fifth Floor, Boston MA 02110-1301, USA.
#
#
# NOTE: This controller is a SAMPLE, and thus doesn't use all the
# Media Player Remote Interface Specification (MPRIS for short) capabilities
#
# MPRIS: http://wiki.xmms2.xmms.se/index.php/Media_Player_Interfaces
#
# You'll need pygtk >= 2.10 to use gtk.StatusIcon
#
# TODO
# Ability to choose the Media Player if several are connected to the bus
# core dbus stuff
import dbus
import dbus.glib
# core interface stuff
import gtk
import gtk.glade
# timer
import gobject
# file loading
import os
global win_position # store the window position on the screen
global playing
playing = False
global shuffle # playlist will play randomly
global repeat # repeat the playlist
global loop # loop the current element
# mpris doesn't support getting the status of these (at the moment)
shuffle = False
repeat = False
loop = False
# these are defined on the mpris detected unique name
global root # / org.freedesktop.MediaPlayer
global player # /Player org.freedesktop.MediaPlayer
global tracklist # /Tracklist org.freedesktop.MediaPlayer
global bus # Connection to the session bus
global identity # MediaPlayer Identity
# If a Media Player connects to the bus, we'll use it
# Note that we forget the previous Media Player we were connected to
def NameOwnerChanged(name, new, old):
if old != "" and "org.mpris." in name:
Connect(name)
# Callback for when "TrackChange" signal is emitted
def TrackChange(Track):
# the only mandatory metadata is "URI"
try:
a = Track["artist"]
except:
a = ""
try:
t = Track["title"]
except:
t = Track["URI"]
try:
length = Track["length"]
except:
length = 0
if length > 0:
time_s.set_range(0,Track["length"])
time_s.set_sensitive(True)
else:
# disable the position scale if length isn't available
time_s.set_sensitive(False)
# update the labels
l_artist.set_text(a)
l_title.set_text(t)
# Connects to the Media Player we detected
def Connect(name):
global root, player, tracklist
global playing, identity
# first we connect to the objects
root_o = bus.get_object(name, "/")
player_o = bus.get_object(name, "/Player")
tracklist_o = bus.get_object(name, "/TrackList")
# there is only 1 interface per object
root = dbus.Interface(root_o, "org.freedesktop.MediaPlayer")
tracklist = dbus.Interface(tracklist_o, "org.freedesktop.MediaPlayer")
player = dbus.Interface(player_o, "org.freedesktop.MediaPlayer")
# connect to the TrackChange signal
player_o.connect_to_signal("TrackChange", TrackChange, dbus_interface="org.freedesktop.MediaPlayer")
# determine if the Media Player is playing something
if player.GetStatus() == 0:
playing = True
TrackChange(player.GetMetadata())
# gets its identity (name and version)
identity = root.Identity()
window.set_title(identity)
#plays an element
def AddTrack(widget):
mrl = e_mrl.get_text()
if mrl != None and mrl != "":
tracklist.AddTrack(mrl, True)
e_mrl.set_text('')
else:
mrl = bt_file.get_filename()
if mrl != None and mrl != "":
tracklist.AddTrack("directory://" + mrl, True)
update(0)
# basic control
def Next(widget):
player.Next(reply_handler=(lambda *args: None), error_handler=(lambda *args: None))
update(0)
def Prev(widget):
player.Prev(reply_handler=(lambda *args: None), error_handler=(lambda *args: None))
update(0)
def Stop(widget):
player.Stop(reply_handler=(lambda *args: None), error_handler=(lambda *args: None))
update(0)
def Quit(widget):
player.Quit(reply_handler=(lambda *args: None), error_handler=(lambda *args: None))
l_title.set_text("")
def Pause(widget):
player.Pause()
status = player.GetStatus()
if status == 0:
img_bt_toggle.set_from_stock(gtk.STOCK_MEDIA_PAUSE, gtk.ICON_SIZE_SMALL_TOOLBAR)
else:
img_bt_toggle.set_from_stock(gtk.STOCK_MEDIA_PLAY, gtk.ICON_SIZE_SMALL_TOOLBAR)
update(0)
def Repeat(widget):
global repeat
repeat = not repeat
player.Repeat(repeat)
def Shuffle(widget):
global shuffle
shuffle = not shuffle
tracklist.Random(shuffle)
def Loop(widget):
global loop
loop = not loop
tracklist.Loop(loop)
# update status display
def update(widget):
Track = player.GetMetadata()
vol.set_value(player.VolumeGet())
try:
a = Track["artist"]
except:
a = ""
try:
t = Track["title"]
except:
t = ""
if t == "":
try:
t = Track["URI"]
except:
t = ""
l_artist.set_text(a)
l_title.set_text(t)
try:
length = Track["length"]
except:
length = 0
if length > 0:
time_s.set_range(0,Track["length"])
time_s.set_sensitive(True)
else:
# disable the position scale if length isn't available
time_s.set_sensitive(False)
GetPlayStatus(0)
# callback for volume change
def volchange(widget, data):
player.VolumeSet(vol.get_value_as_int(), reply_handler=(lambda *args: None), error_handler=(lambda *args: None))
# callback for position change
def timechange(widget, x=None, y=None):
player.PositionSet(int(time_s.get_value()), reply_handler=(lambda *args: None), error_handler=(lambda *args: None))
# refresh position change
def timeset():
global playing
if playing == True:
try:
time_s.set_value(player.PositionGet())
except:
playing = False
return True
# toggle simple/full display
def expander(widget):
if exp.get_expanded() == False:
exp.set_label("Less")
else:
exp.set_label("More")
# close event : hide in the systray
def delete_event(self, widget):
self.hide()
return True
# shouldn't happen
def destroy(widget):
gtk.main_quit()
# hide the controller when 'Esc' is pressed
def key_release(widget, event):
if event.keyval == gtk.keysyms.Escape:
global win_position
win_position = window.get_position()
widget.hide()
# callback for click on the tray icon
def tray_button(widget):
global win_position
if window.get_property('visible'):
# store position
win_position = window.get_position()
window.hide()
else:
# restore position
window.move(win_position[0], win_position[1])
window.show()
# hack: update position, volume, and metadata
def icon_clicked(widget, event):
update(0)
# get playing status, modify the Play/Pause button accordingly
def GetPlayStatus(widget):
global playing
global shuffle
global loop
global repeat
status = player.GetStatus()
playing = status[0] == 0
if playing:
img_bt_toggle.set_from_stock("gtk-media-pause", gtk.ICON_SIZE_SMALL_TOOLBAR)
else:
img_bt_toggle.set_from_stock("gtk-media-play", gtk.ICON_SIZE_SMALL_TOOLBAR)
shuffle = status[1] == 1
bt_shuffle.set_active( shuffle )
loop = status[2] == 1
bt_loop.set_active( loop )
repeat = status[3] == 1
bt_repeat.set_active( repeat )
# loads glade file from the directory where the script is,
# so we can use /path/to/mpris.py to execute it.
import sys
xml = gtk.glade.XML(os.path.dirname(sys.argv[0]) + '/mpris.glade')
# ui setup
bt_close = xml.get_widget('close')
bt_quit = xml.get_widget('quit')
bt_file = xml.get_widget('ChooseFile')
bt_next = xml.get_widget('next')
bt_prev = xml.get_widget('prev')
bt_stop = xml.get_widget('stop')
bt_toggle = xml.get_widget('toggle')
bt_mrl = xml.get_widget('AddMRL')
bt_shuffle = xml.get_widget('shuffle')
bt_repeat = xml.get_widget('repeat')
bt_loop = xml.get_widget('loop')
l_artist = xml.get_widget('l_artist')
l_title = xml.get_widget('l_title')
e_mrl = xml.get_widget('mrl')
window = xml.get_widget('window1')
img_bt_toggle=xml.get_widget('image6')
exp = xml.get_widget('expander2')
expvbox = xml.get_widget('expandvbox')
audioicon = xml.get_widget('eventicon')
vol = xml.get_widget('vol')
time_s = xml.get_widget('time_s')
time_l = xml.get_widget('time_l')
# connect to the different callbacks
window.connect('delete_event', delete_event)
window.connect('destroy', destroy)
window.connect('key_release_event', key_release)
tray = gtk.status_icon_new_from_icon_name("audio-x-generic")
tray.connect('activate', tray_button)
bt_close.connect('clicked', destroy)
bt_quit.connect('clicked', Quit)
bt_mrl.connect('clicked', AddTrack)
bt_toggle.connect('clicked', Pause)
bt_next.connect('clicked', Next)
bt_prev.connect('clicked', Prev)
bt_stop.connect('clicked', Stop)
bt_loop.connect('clicked', Loop)
bt_repeat.connect('clicked', Repeat)
bt_shuffle.connect('clicked', Shuffle)
exp.connect('activate', expander)
vol.connect('change-value', volchange)
vol.connect('scroll-event', volchange)
time_s.connect('adjust-bounds', timechange)
audioicon.set_events(gtk.gdk.BUTTON_PRESS_MASK) # hack for the bottom right icon
audioicon.connect('button_press_event', icon_clicked)
time_s.set_update_policy(gtk.UPDATE_DISCONTINUOUS)
library = "/media/mp3" # editme
# set the Directory chooser to a default location
try:
os.chdir(library)
bt_file.set_current_folder(library)
except:
bt_file.set_current_folder(os.path.expanduser("~"))
# connect to the bus
bus = dbus.SessionBus()
dbus_names = bus.get_object( "org.freedesktop.DBus", "/org/freedesktop/DBus" )
dbus_names.connect_to_signal("NameOwnerChanged", NameOwnerChanged, dbus_interface="org.freedesktop.DBus") # to detect new Media Players
dbus_o = bus.get_object("org.freedesktop.DBus", "/")
dbus_intf = dbus.Interface(dbus_o, "org.freedesktop.DBus")
name_list = dbus_intf.ListNames()
# connect to the first Media Player found
for n in name_list:
if "org.mpris." in n:
Connect(n)
window.set_title(identity)
vol.set_value(player.VolumeGet())
update(0)
break
# run a timer to update position
gobject.timeout_add( 1000, timeset)
window.set_icon_name('audio-x-generic')
window.show()
icon_theme = gtk.icon_theme_get_default()
try:
pix = icon_theme.load_icon("audio-x-generic",24,0)
window.set_icon(pix)
except:
True
win_position = window.get_position()
gtk.main() # execute the main loop