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#
# Copyright (C) 2006-2007 Red Hat, Inc.
#
# 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
from gettext import gettext as _
import gtk
from sugar.graphics.icon import get_icon_state
from sugar.graphics.icon import CanvasIcon
from sugar.graphics import style
from sugar.graphics.palette import Palette
from model.devices.network import wireless
from model.devices import device
from hardware import hardwaremanager
from hardware import nmclient
_ICON_NAME = 'network-wireless'
class DeviceView(CanvasIcon):
def __init__(self, model):
CanvasIcon.__init__(self, size=style.MEDIUM_ICON_SIZE)
self._model = model
meshdev = None
network_manager = hardwaremanager.get_network_manager()
for device in network_manager.get_devices():
if device.get_type() == nmclient.DEVICE_TYPE_802_11_MESH_OLPC:
meshdev = device
break
self._palette = WirelessPalette(self._get_palette_primary_text(), meshdev)
self.set_palette(self._palette)
self._counter = 0
self._palette.set_frequency(self._model.props.frequency)
model.connect('notify::name', self._name_changed_cb)
model.connect('notify::strength', self._strength_changed_cb)
model.connect('notify::state', self._state_changed_cb)
self._update_icon()
self._update_state()
def _get_palette_primary_text(self):
if self._model.props.state == device.STATE_INACTIVE:
return _("Disconnected")
return self._model.props.name
def _strength_changed_cb(self, model, pspec):
self._update_icon()
# Only update frequency periodically
if self._counter % 4 == 0:
self._palette.set_frequency(self._model.props.frequency)
self._counter += 1
def _name_changed_cb(self, model, pspec):
self.palette.set_primary_text(self._get_palette_primary_text())
def _state_changed_cb(self, model, pspec):
self._update_state()
self.palette.set_primary_text(self._get_palette_primary_text())
def _update_icon(self):
strength = self._model.props.strength
if self._model.props.state == device.STATE_INACTIVE:
strength = 0
icon_name = get_icon_state(_ICON_NAME, strength)
if icon_name:
self.props.icon_name = icon_name
def _update_state(self):
# FIXME Change icon colors once we have real icons
state = self._model.props.state
if state == device.STATE_ACTIVATING:
self.props.fill_color = style.COLOR_INACTIVE_FILL.get_svg()
self.props.stroke_color = style.COLOR_INACTIVE_STROKE.get_svg()
elif state == device.STATE_ACTIVATED:
(stroke, fill) = self._model.get_active_network_colors()
self.props.stroke_color = stroke
self.props.fill_color = fill
elif state == device.STATE_INACTIVE:
self.props.fill_color = style.COLOR_INACTIVE_FILL.get_svg()
self.props.stroke_color = style.COLOR_INACTIVE_STROKE.get_svg()
class WirelessPalette(Palette):
def __init__(self, primary_text, meshdev):
Palette.__init__(self, primary_text, menu_after_content=True)
self._meshdev = meshdev
self._chan_label = gtk.Label()
self._chan_label.show()
vbox = gtk.VBox()
vbox.pack_start(self._chan_label)
vbox.show()
if meshdev:
disconnect_item = gtk.MenuItem(_('Disconnect...'))
disconnect_item.connect('activate', self._disconnect_activate_cb)
self.menu.append(disconnect_item)
disconnect_item.show()
self.set_content(vbox)
def _disconnect_activate_cb(self, menuitem):
# Disconnection for an AP means activating the default mesh device
network_manager = hardwaremanager.get_network_manager()
if network_manager and self._meshdev:
network_manager.set_active_device(self._meshdev)
def set_frequency(self, freq):
try:
chan = wireless.freq_to_channel(freq)
except KeyError:
chan = 0
self._chan_label.set_text("%s: %d" % (_("Channel"), chan))
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