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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 import style
from sugar.graphics.palette import Palette
from sugar.graphics.toolbutton import ToolButton
from sugar.graphics.xocolor import XoColor
from model.devices.network import wireless
from model.devices import device
from hardware import hardwaremanager
from hardware import nmclient
from view.frame.frameinvoker import FrameWidgetInvoker
from view.pulsingicon import PulsingIcon
_ICON_NAME = 'network-wireless'
IP_ADDRESS_TEXT_TEMPLATE = _("IP address: %s")
class DeviceView(ToolButton):
FRAME_POSITION_RELATIVE = 300
def __init__(self, model):
ToolButton.__init__(self)
self._model = model
self._icon = PulsingIcon()
self._icon.props.icon_name = _ICON_NAME
pulse_color = XoColor("%s,%s" % (style.COLOR_BUTTON_GREY.get_svg(),
style.COLOR_TRANSPARENT.get_svg()))
self._icon.props.pulse_color = pulse_color
self._icon.props.base_color = pulse_color # only temporarily
self._inactive_color = XoColor("%s,%s" % (
style.COLOR_INACTIVE_STROKE.get_html(),
style.COLOR_INACTIVE_FILL.get_html()))
meshdev = None
network_manager = hardwaremanager.get_network_manager()
for dev in network_manager.get_devices():
if dev.get_type() == nmclient.DEVICE_TYPE_802_11_MESH_OLPC:
meshdev = dev
break
self._counter = 0
self.palette = WirelessPalette(self._get_palette_primary_text(),
meshdev)
self.set_palette(self.palette)
self.palette.props.invoker = FrameWidgetInvoker(self)
self.palette.set_group_id('frame')
self.palette.set_frequency(self._model.props.frequency)
model.connect('notify::name', self._name_changed_cb)
model.connect('notify::ip-address', self._ip_address_changed_cb)
model.connect('notify::strength', self._strength_changed_cb)
model.connect('notify::state', self._state_changed_cb)
self._update_icon()
self._update_state()
self._update_ip_address()
self.set_icon_widget(self._icon)
self._icon.show()
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 _ip_address_changed_cb(self, model, pspec):
self._update_ip_address()
def _name_changed_cb(self, model, pspec):
self.palette.set_primary_text(self._get_palette_primary_text())
self._update_state()
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._icon.props.icon_name = icon_name
def _update_state(self):
# FIXME Change icon colors once we have real icons
state = self._model.props.state
self._icon.props.pulsing = state == device.STATE_ACTIVATING
if state == device.STATE_ACTIVATING:
fill = style.COLOR_INACTIVE_FILL.get_svg()
stroke = style.COLOR_INACTIVE_STROKE.get_svg()
elif state == device.STATE_ACTIVATED:
(stroke, fill) = self._model.get_active_network_colors()
elif state == device.STATE_INACTIVE:
fill = style.COLOR_INACTIVE_FILL.get_svg()
stroke = style.COLOR_INACTIVE_STROKE.get_svg()
self._icon.props.base_color = XoColor("%s,%s" % (stroke, fill))
def _update_ip_address(self):
self.palette.set_ip_address(self._model.props.ip_address)
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.props.xalign = 0.0
self._chan_label.show()
self._ip_address_label = gtk.Label()
vbox = gtk.VBox()
def _padded(child, xalign=0, yalign=0.5):
padder = gtk.Alignment(xalign=xalign, yalign=yalign,
xscale=1, yscale=0.33)
padder.set_padding(style.DEFAULT_SPACING,
style.DEFAULT_SPACING,
style.DEFAULT_SPACING,
style.DEFAULT_SPACING)
padder.add(child)
return padder
vbox.pack_start(_padded(self._chan_label))
vbox.pack_start(_padded(self._ip_address_label))
vbox.show_all()
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))
def set_ip_address(self, ip_address):
if ip_address is not None and ip_address != "0.0.0.0":
ip_address_text = IP_ADDRESS_TEXT_TEMPLATE % ip_address
else:
ip_address_text = ""
self._ip_address_label.set_text(ip_address_text)
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