/usr/lib/x86_64-linux-gnu/cairo-dock/status-notifier-watcher is in cairo-dock-plug-ins 3.0.0.1-0ubuntu2.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 | #!/usr/bin/python
#
# This is a part of the Cairo-Dock plug-ins.
# Copyright : (C) 2011 by Fabrice Rey
# E-mail : fabounet@glx-dock.org
#
# 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 3
# 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.
# http://www.gnu.org/licenses/licenses.html#GPL
#
# Developped as a part of Cairo-Dock, but usable as a stand-alone systray daemon.
# The code follows the same logic as the KDE watcher, to ensure a complete compatibility.
import sys
import glib
import gobject
import dbus, dbus.service
from dbus.mainloop.glib import DBusGMainLoop
class SNWatcher(dbus.service.Object):
bus_name_str = 'org.kde.StatusNotifierWatcher'
bus_obj_str = '/StatusNotifierWatcher'
bus_iface_str = 'org.kde.StatusNotifierWatcher'
items_list = [] # array of service+path
hosts_list = [] # array of services
def __init__(self):
DBusGMainLoop(set_as_default=True)
try:
self.bus = dbus.SessionBus()
bus_name = dbus.service.BusName (self.bus_name_str, self.bus)
# print "registered a watcher:",bus_name
dbus.service.Object.__init__(self, bus_name, self.bus_obj_str)
except Exception, exception:
print 'Could not open dbus. Uncaught exception.'
return
bus_object = self.bus.get_object(dbus.BUS_DAEMON_NAME, dbus.BUS_DAEMON_PATH)
self.main = dbus.Interface(bus_object, dbus.BUS_DAEMON_IFACE)
self.main.connect_to_signal("NameOwnerChanged", self.on_name_owner_changed)
self.loop = gobject.MainLoop()
self.loop.run()
def on_name_owner_changed(self, service, prev_owner, new_owner):
# print "name_owner_changed: %s; %s; %s" % (service, prev_owner, new_owner)
if (new_owner == '' and not service.startswith(':')): # a service has disappear from the bus, check if it was an item or a host.
# search amongst the items.
match = service+'/'
# print " search for ",match
to_be_removed=[]
for it in self.items_list:
# print " check for ",it
if (it.startswith(match)): # it[0:len(match)] == match
# print " match!"
to_be_removed.append(it)
for it in to_be_removed:
self.items_list.remove (it)
self.StatusNotifierItemUnregistered(it)
# search amongst the hosts.
to_be_removed=[]
for it in self.hosts_list:
if (it == service):
to_be_removed.append(it)
for it in to_be_removed:
self.hosts_list.remove (it)
self.StatusNotifierHostUnregistered()
### methods ###
@dbus.service.method(dbus_interface = bus_iface_str, in_signature = 's', out_signature = None)
def RegisterStatusNotifierHost(self, service):
if (self.hosts_list.count (service) == 0): # if not already listed
self.hosts_list.append (service)
self.StatusNotifierHostRegistered()
# print 'hosts:',self.hosts_list
sys.stdout.flush()
@dbus.service.method(dbus_interface = bus_iface_str, in_signature = 's', out_signature = None, sender_keyword='sender')
def RegisterStatusNotifierItem(self, serviceOrPath, sender=None):
# build the item id: service + path
if (serviceOrPath[0] == '/'):
service = sender
path = serviceOrPath
else:
service = serviceOrPath
path = "/StatusNotifierItem"
itemId = service + path
# keep track of this new item, and emit the 'new' signal.
if (self.items_list.count (itemId) == 0): # if not already listed
self.items_list.append (itemId)
self.StatusNotifierItemRegistered (itemId)
### Properties ###
@dbus.service.method(dbus_interface = dbus.PROPERTIES_IFACE, in_signature = 'ss', out_signature = 'v')
def Get(self, interface, property):
if interface == 'org.kde.StatusNotifierWatcher':
if property == 'RegisteredStatusNotifierItems':
# print "items: ",self.items_list
if (len (self.items_list) != 0):
return self.items_list
else: # too bad! dbus-python can't encode the GValue if 'items_list' is None or [].
return [''] # so we return a empty string; hopefuly the host will skip this invalid value.
elif property == 'HasStatusNotifierHostRegistered':
return (len (self.hosts_list) != 0)
elif property == 'ProtocolVersion':
return 0
### Signals ###
@dbus.service.signal(dbus_interface=bus_name_str, signature='s')
def StatusNotifierItemRegistered(self, service):
# print "%s registered" % (service)
sys.stdout.flush()
@dbus.service.signal(dbus_interface=bus_name_str, signature='s')
def StatusNotifierItemUnregistered(self, service):
# print "%s unregistered" % (service)
sys.stdout.flush()
@dbus.service.signal(dbus_interface=bus_name_str, signature=None)
def StatusNotifierHostRegistered(self):
# print "a host has been registered"
sys.stdout.flush()
@dbus.service.signal(dbus_interface=bus_name_str, signature=None)
def StatusNotifierHostUnregistered(self):
# print "a host has been unregistered"
sys.stdout.flush()
if __name__ == '__main__':
SNWatcher()
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