b2983ac763
- Start nm-applet when the shell starts - Use the artwork - Respond to signals and get initial states
646 lines
18 KiB
Python
646 lines
18 KiB
Python
# vi: ts=4 ai noet
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#
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# Copyright (C) 2006, Red Hat, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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import dbus
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import dbus.glib
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import dbus.decorators
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import gobject
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import gtk
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import logging
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from sugar.graphics.menu import Menu
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from gettext import gettext as _
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import os
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import nminfo
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NM_DEVICE_STAGE_STRINGS=("Unknown",
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"Prepare",
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"Config",
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"Need Users Key",
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"IP Config",
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"IP Config Get",
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"IP Config Commit",
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"Activated",
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"Failed",
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"Cancled"
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)
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NM_SERVICE = 'org.freedesktop.NetworkManager'
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NM_IFACE = 'org.freedesktop.NetworkManager'
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NM_IFACE_DEVICES = 'org.freedesktop.NetworkManager.Devices'
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NM_PATH = '/org/freedesktop/NetworkManager'
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DEVICE_TYPE_UNKNOWN = 0
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DEVICE_TYPE_802_3_ETHERNET = 1
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DEVICE_TYPE_802_11_WIRELESS = 2
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NM_DEVICE_CAP_NONE = 0x00000000
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NM_DEVICE_CAP_NM_SUPPORTED = 0x00000001
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NM_DEVICE_CAP_CARRIER_DETECT = 0x00000002
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NM_DEVICE_CAP_WIRELESS_SCAN = 0x00000004
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sys_bus = dbus.SystemBus()
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class Network(gobject.GObject):
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__gsignals__ = {
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'init-failed': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([]))
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}
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def __init__(self, op):
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gobject.GObject.__init__(self)
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self._op = op
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self._ssid = None
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self._mode = None
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self._strength = 0
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self._valid = False
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obj = sys_bus.get_object(NM_SERVICE, self._op)
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net = dbus.Interface(obj, NM_IFACE_DEVICES)
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net.getProperties(reply_handler=self._update_reply_cb,
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error_handler=self._update_error_cb)
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def _update_reply_cb(self, *props):
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self._ssid = props[1]
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self._strength = props[3]
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self._mode = props[6]
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self._valid = True
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logging.debug("Net(%s): ssid '%s', mode %d, strength %d" % (self._op,
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self._ssid, self._mode, self._strength))
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def _update_error_cb(self, err):
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logging.debug("Net(%s): failed to update. (%s)" % (self._op, err))
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self._valid = False
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self.emit('init-failed')
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def get_ssid(self):
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return self._ssid
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def get_op(self):
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return self._op
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def get_strength(self):
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return self._strength
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def set_strength(self, strength):
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self._strength = strength
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def is_valid(self):
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return self._valid
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def add_to_menu(self, menu):
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item = gtk.CheckMenuItem()
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strength = self._strength
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if strength > 100:
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strength = 100
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elif strength < 0:
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strength = 0
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label_str = "%s (%d%%)" % (self._ssid, strength)
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label = gtk.Label(label_str)
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label.set_alignment(0.0, 0.5)
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item.add(label)
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item.show_all()
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menu.add(item)
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class Device(gobject.GObject):
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__gsignals__ = {
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'init-failed': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([])),
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'activated': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([])),
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'strength-changed': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
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([gobject.TYPE_PYOBJECT]))
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}
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def __init__(self, op):
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gobject.GObject.__init__(self)
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self._op = op
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self._iface = None
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self._type = DEVICE_TYPE_UNKNOWN
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self._udi = None
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self._active = False
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self._strength = 0
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self._link = False
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self._valid = False
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self._networks = {}
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self._active_net = None
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self._caps = 0
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obj = sys_bus.get_object(NM_SERVICE, self._op)
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dev = dbus.Interface(obj, NM_IFACE_DEVICES)
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dev.getProperties(reply_handler=self._update_reply_cb,
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error_handler=self._update_error_cb)
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def _update_reply_cb(self, *props):
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self._iface = props[1]
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self._type = props[2]
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self._udi = props[3]
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self._active = props[4]
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if self._active:
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self.emit('activated')
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self._link = props[15]
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self._caps = props[17]
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if self._type == DEVICE_TYPE_802_11_WIRELESS:
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old_strength = self._strength
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self._strength = props[14]
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if self._strength != old_strength:
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self.emit('strength-changed', self._strength)
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self._update_networks(props[20], props[19])
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self._valid = True
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def _update_networks(self, net_ops, active_op):
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for op in net_ops:
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net = Network(op)
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self._networks[op] = net
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net.connect('init-failed', self._net_init_failed)
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if op == active_op:
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self._active_net = op
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def _update_error_cb(self, err):
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logging.debug("Device(%s): failed to update. (%s)" % (self._op, err))
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self._valid = False
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self.emit('init-failed')
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def _net_init_failed(self, net):
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net_op = net.get_op()
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if not self._networks.has_key(net_op):
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return
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if net_op == self._active_net:
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self._active_net = None
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del self._networks[net_op]
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def _add_to_menu_wired(self, menu):
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item = gtk.CheckMenuItem()
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label = gtk.Label(_("Wired Network"))
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label.set_alignment(0.0, 0.5);
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item.add(label)
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if self._caps & NM_DEVICE_CAP_CARRIER_DETECT:
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item.set_sensitive(self._link)
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item.show_all()
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menu.add(item)
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def _add_to_menu_wireless(self, menu):
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for net in self._networks.values():
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if not net.is_valid():
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continue
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net.add_to_menu(menu)
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def add_to_menu(self, menu):
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if self._type == DEVICE_TYPE_802_3_ETHERNET:
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self._add_to_menu_wired(menu)
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elif self._type == DEVICE_TYPE_802_11_WIRELESS:
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self._add_to_menu_wireless(menu)
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def get_op(self):
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return self._op
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def get_network(self, op):
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if self._networks.has_key(op):
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return self._networks[op]
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return None
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def get_network_ops(self):
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return self._networks.keys()
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def get_strength(self):
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return self._strength
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def set_strength(self, strength):
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if strength == self._strength:
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return False
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if strength >= 0 and strength <= 100:
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self._strength = strength
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else:
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self._strength = 0
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self.emit('strength-changed', self._strength)
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def network_appeared(self, network):
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if self._networks.has_key(network):
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return
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net = Network(network)
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self._networks[network] = net
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net.connect('init-failed', self._net_init_failed)
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def network_disappeared(self, network):
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if not self._networks.has_key(network):
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return
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if network == self._active_net:
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self._active_net = None
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del self._networks[network]
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def get_active(self):
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return self._active
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def set_active(self, active, ssid=None):
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self._active = active
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if self._type == DEVICE_TYPE_802_11_WIRELESS:
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if not ssid:
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self._active_net = None
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else:
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for (op, net) in self._networks.items():
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if net.get_ssid() == ssid:
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self._active_net = op
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def get_type(self):
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return self._type
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def is_valid(self):
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return self._valid
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def set_carrier(self, on):
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self._link = on
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class ActivityMenu(Menu):
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def __init__(self, activity_host):
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Menu.__init__(self, activity_host.get_title())
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if not activity_host.get_shared():
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self._add_mesh_action()
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self._add_close_action()
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def _add_mesh_action(self):
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icon = CanvasIcon(icon_name='stock-share-mesh')
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self.add_action(icon, ActivityMenu.ACTION_SHARE)
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def _add_close_action(self):
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icon = CanvasIcon(icon_name='stock-close')
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self.add_action(icon, ActivityMenu.ACTION_CLOSE)
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NM_STATE_UNKNOWN = 0
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NM_STATE_ASLEEP = 1
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NM_STATE_CONNECTING = 2
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NM_STATE_CONNECTED = 3
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NM_STATE_DISCONNECTED = 4
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class NMClientApp:
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def __init__(self):
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self.menu = None
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self.nminfo = None
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self._nm_present = False
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self._nm_state = NM_STATE_UNKNOWN
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self._icon_theme = gtk.icon_theme_get_default()
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self._update_timer = 0
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self._cur_icon = None
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self._active_device = None
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self._devices = {}
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try:
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self.nminfo = nminfo.NMInfo()
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except RuntimeError:
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pass
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self._setup_dbus()
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if self._nm_present:
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self._get_nm_state()
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self._get_initial_devices()
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self._setup_trayicon()
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def _get_nm_state(self):
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# Grab NM's state
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nm_obj = sys_bus.get_object(NM_SERVICE, NM_PATH)
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nm = dbus.Interface(nm_obj, NM_IFACE)
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nm.state(reply_handler=self._get_state_reply_cb, \
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error_handler=self._get_state_error_cb)
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def _get_state_reply_cb(self, state):
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if self._nm_state != state:
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self._schedule_icon_update(immediate=True)
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self._nm_state = state
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def _get_state_error_cb(self, err):
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logging.debug("Failed to get NetworkManager state! %s" % err)
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def _get_icon(self):
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name = None
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act_dev = None
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if self._active_device and self._devices.has_key(self._active_device):
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act_dev = self._devices[self._active_device]
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if not self._nm_present \
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or not act_dev \
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or self._nm_state == NM_STATE_UNKNOWN \
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or self._nm_state == NM_STATE_ASLEEP \
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or self._nm_state == NM_STATE_DISCONNECTED:
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name = "stock-net-wireless-00"
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elif act_dev.get_type() == DEVICE_TYPE_802_3_ETHERNET:
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name = "stock-net-wired"
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elif act_dev.get_type() == DEVICE_TYPE_802_11_WIRELESS:
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strength = act_dev.get_strength()
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if strength <= 0:
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name = "stock-net-wireless-00"
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elif strength >= 1 and strength <= 20:
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name = "stock-net-wireless-01-20"
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elif strength >= 21 and strength <= 40:
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name = "stock-net-wireless-21-40"
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elif strength >= 41 and strength <= 60:
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name = "stock-net-wireless-41-60"
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elif strength >= 61 and strength <= 80:
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name = "stock-net-wireless-61-80"
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elif strength >= 81 and strength:
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name = "stock-net-wireless-81-100"
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if not name:
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name = "stock-net-wireless-00"
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info = self._icon_theme.lookup_icon(name, 75, 0)
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if not info:
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logging.debug("Couldn't find icon for %s, falling back to stock-net-wireless-00" % name)
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info = self._icon_theme.lookup_icon("stock-net-wireless-00", 75, 0)
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if not info:
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return None
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return info.get_filename()
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def _setup_trayicon(self):
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filename = self._get_icon()
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if not filename:
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logging.debug("Couldn't get icon file!!")
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os._exit(1)
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self._trayicon = gtk.status_icon_new_from_file(filename)
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self._trayicon.connect("popup_menu", self._popup)
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self._trayicon.connect("activate", self._popup)
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self._schedule_icon_update()
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def _popup(self, status, button=0, time=None):
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def menu_pos(menu):
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return gtk.status_icon_position_menu(menu, self._trayicon)
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if time is None:
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time = gtk.get_current_event_time()
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if self.menu:
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del self.menu
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self.menu = self._construct_new_menu()
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self.menu.popup(None, None, menu_pos, button, time)
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self.menu.show_all()
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def _construct_new_menu(self):
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menu = gtk.Menu()
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# Wired devices first
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for dev in self._devices.values():
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if not dev.is_valid():
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continue
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if dev.get_type() != DEVICE_TYPE_802_3_ETHERNET:
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continue
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dev.add_to_menu(menu)
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# Wireless devices second
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for dev in self._devices.values():
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if not dev.is_valid():
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continue
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if dev.get_type() != DEVICE_TYPE_802_11_WIRELESS:
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continue
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dev.add_to_menu(menu)
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return menu
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def _update_icon(self):
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filename = self._get_icon()
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if not filename:
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logging.debug("Couldn't get icon file!!")
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elif self._cur_icon != filename:
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self._trayicon.set_from_file(filename)
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self._cur_icon = filename
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blink = False
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if self._nm_state == NM_STATE_CONNECTING:
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blink = True
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self._trayicon.set_blinking(blink)
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self._update_timer = 0
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return False
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def _schedule_icon_update(self, immediate=False):
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if immediate and self._update_timer:
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gobject.source_remove(self._update_timer)
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self._update_timer = 0
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if self._update_timer != 0:
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# There is already an update scheduled
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return
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if immediate:
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self._update_timer = gobject.idle_add(self._update_icon)
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else:
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self._update_timer = gobject.timeout_add(2000, self._update_icon)
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def _get_initial_devices_reply_cb(self, ops):
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for op in ops:
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self._add_device(op)
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def _dev_init_failed_cb(self, dev):
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# Device failed to initialize, likely due to dbus errors or something
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op = dev.get_op()
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self._remove_device(op)
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def _get_initial_devices_error_cb(self, err):
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logging.debug("Error updating devices (%s)" % err)
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def _get_initial_devices(self):
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nm_obj = sys_bus.get_object(NM_SERVICE, NM_PATH)
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nm = dbus.Interface(nm_obj, NM_IFACE)
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nm.getDevices(reply_handler=self._get_initial_devices_reply_cb, \
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error_handler=self._get_initial_devices_error_cb)
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def _add_device(self, dev_op):
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if self._devices.has_key(dev_op):
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return
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dev = Device(dev_op)
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self._devices[dev_op] = dev
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dev.connect('init-failed', self._dev_init_failed_cb)
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dev.connect('activated', self._dev_activated_cb)
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dev.connect('strength-changed', self._dev_strength_changed_cb)
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def _remove_device(self, dev_op):
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if not self._devices.has_key(dev_op):
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return
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if self._active_device == dev_op:
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self._active_device = None
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dev = self._devices[dev_op]
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dev.disconnect('activated')
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dev.disconnect('init-failed')
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dev.disconnect('strength-changed')
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del self._devices[dev_op]
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self._schedule_icon_update(immediate=True)
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def _dev_activated_cb(self, dev):
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op = dev.get_op()
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if not self._devices.has_key(op):
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return
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if not dev.get_active():
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return
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self._active_device = op
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self._schedule_icon_update(immediate=True)
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def _dev_strength_changed_cb(self, dev, strength):
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op = dev.get_op()
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if not self._devices.has_key(op):
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return
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if not dev.get_active():
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return
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self._schedule_icon_update()
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def _setup_dbus(self):
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self._sig_handlers = {
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'StateChange': self.state_change_sig_handler,
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'DeviceAdded': self.device_added_sig_handler,
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'DeviceRemoved': self.device_removed_sig_handler,
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'DeviceActivationStage': self.device_activation_stage_sig_handler,
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'DeviceActivating': self.device_activating_sig_handler,
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'DeviceNowActive': self.device_now_active_sig_handler,
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'DeviceNoLongerActive': self.device_no_longer_active_sig_handler,
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'DeviceCarrierOn': self.device_carrier_on_sig_handler,
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'DeviceCarrierOff': self.device_carrier_off_sig_handler,
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'DeviceStrengthChanged': self.wireless_device_strength_changed_sig_handler,
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'WirelessNetworkAppeared': self.wireless_network_appeared_sig_handler,
|
|
'WirelessNetworkDisappeared': self.wireless_network_disappeared_sig_handler,
|
|
'WirelessNetworkStrengthChanged': self.wireless_network_strength_changed_sig_handler
|
|
}
|
|
|
|
self.nm_proxy = sys_bus.get_object(NM_SERVICE, NM_PATH)
|
|
|
|
sys_bus.add_signal_receiver(self.name_owner_changed_sig_handler,
|
|
signal_name="NameOwnerChanged",
|
|
dbus_interface="org.freedesktop.DBus")
|
|
|
|
sys_bus.add_signal_receiver(self.catchall_signal_handler,
|
|
dbus_interface=NM_IFACE)
|
|
|
|
sys_bus.add_signal_receiver(self.catchall_signal_handler,
|
|
dbus_interface=NM_IFACE + 'Devices')
|
|
|
|
for (signal, handler) in self._sig_handlers.items():
|
|
sys_bus.add_signal_receiver(handler, signal_name=signal, dbus_interface=NM_IFACE)
|
|
|
|
# Find out whether or not NM is running
|
|
try:
|
|
bus_object = sys_bus.get_object('org.freedesktop.DBus', '/org/freedesktop/DBus')
|
|
name = bus_object.GetNameOwner("org.freedesktop.NetworkManagerInfo", \
|
|
dbus_interface='org.freedesktop.DBus')
|
|
if name:
|
|
self._nm_present = True
|
|
except dbus.DBusException:
|
|
pass
|
|
|
|
@dbus.decorators.explicitly_pass_message
|
|
def catchall_signal_handler(self, *args, **keywords):
|
|
dbus_message = keywords['dbus_message']
|
|
mem = dbus_message.get_member()
|
|
iface = dbus_message.get_interface()
|
|
|
|
if iface == NM_IFACE and mem in self._sig_handlers.keys():
|
|
return
|
|
|
|
logging.debug('Caught signal %s.%s' % (dbus_message.get_interface(), mem))
|
|
for arg in args:
|
|
logging.debug(' ' + str(arg))
|
|
|
|
def device_activation_stage_sig_handler(self, device, stage):
|
|
print 'Network Manager Device Stage "%s" for device %s'%(NM_DEVICE_STAGE_STRINGS[stage], device)
|
|
|
|
def state_change_sig_handler(self, state):
|
|
print "State: %s" % state
|
|
self._nm_state = state
|
|
self._schedule_icon_update(immediate=True)
|
|
|
|
def device_activating_sig_handler(self, device):
|
|
print 'Device %s activating'%device
|
|
|
|
def device_now_active_sig_handler(self, device, ssid=None):
|
|
if not self._devices.has_key(device):
|
|
return
|
|
self._devices[devices].set_active(True, ssid)
|
|
self._schedule_icon_update(immediate=True)
|
|
|
|
def device_no_longer_active_sig_handler(self, device):
|
|
if not self._devices.has_key(device):
|
|
return
|
|
self._devices[devices].set_active(False)
|
|
self._schedule_icon_update(immediate=True)
|
|
|
|
def name_owner_changed_sig_handler(self, name, old, new):
|
|
if name != NM_SERVICE:
|
|
return
|
|
if (old and len(old)) and (not new and not len(new)):
|
|
# NM went away
|
|
self._nm_present = False
|
|
self._schedule_update_timer()
|
|
for op in self._devices.keys():
|
|
del self._devices[op]
|
|
self._devices = {}
|
|
self._active_device = None
|
|
self._nm_state = NM_STATE_UNKNOWN
|
|
elif (not old and not len(old)) and (new and len(new)):
|
|
# NM started up
|
|
self._nm_present = True
|
|
self._get_nm_state()
|
|
self._get_initial_devices()
|
|
|
|
def device_added_sig_handler(self, device):
|
|
self._add_device(device)
|
|
|
|
def device_removed_sig_handler(self, device):
|
|
self._remove_device(device)
|
|
|
|
def wireless_network_appeared_sig_handler(self, device, network):
|
|
if not self._devices.has_key(device):
|
|
return
|
|
self._devices[device].network_appeared(network)
|
|
|
|
def wireless_network_disappeared_sig_handler(self, device, network):
|
|
if not self._devices.has_key(device):
|
|
return
|
|
self._devices[device].network_disappeared(network)
|
|
|
|
def wireless_device_strength_changed_sig_handler(self, device, strength):
|
|
if not self._devices.has_key(device):
|
|
return
|
|
self._devices[device].set_strength(strength)
|
|
|
|
def wireless_network_strength_changed_sig_handler(self, device, network, strength):
|
|
if not self._devices.has_key(device):
|
|
return
|
|
net = self._devices[device].get_network(network)
|
|
if net:
|
|
net.set_strength(strength)
|
|
|
|
def device_carrier_on_sig_handler(self, device):
|
|
if not self._devices.has_key(device):
|
|
return
|
|
self._devices[device].set_carrier(True)
|
|
|
|
def device_carrier_off_sig_handler(self, device):
|
|
if not self._devices.has_key(device):
|
|
return
|
|
self._devices[device].set_carrier(False)
|
|
|
|
def run(self):
|
|
loop = gobject.MainLoop()
|
|
try:
|
|
loop.run()
|
|
except KeyboardInterrupt:
|
|
pass
|
|
|