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# Copyright (C) 2006-2007 Red Hat, Inc.
# Copyright (C) 2008 One Laptop Per Child
#
# 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 import profile
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 import device
from model.devices.network import wireless
from hardware import hardwaremanager
from view.devices.network.wireless import IP_ADDRESS_TEXT_TEMPLATE
from view.frame.frameinvoker import FrameWidgetInvoker
from view.pulsingicon import PulsingIcon
class DeviceView(ToolButton):
FRAME_POSITION_RELATIVE = 400
def __init__(self, model):
ToolButton.__init__(self)
self._model = model
self._icon = PulsingIcon()
self._icon.props.icon_name = 'network-mesh'
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.palette = MeshPalette(_("Mesh Network"), model)
self.set_palette(self.palette)
self.palette.props.invoker = FrameWidgetInvoker(self)
self.palette.set_group_id('frame')
model.connect('notify::state', self._state_changed_cb)
model.connect('notify::activation-stage', self._state_changed_cb)
model.connect('notify::ip-address', self._ip_address_changed_cb)
self._update_state()
self._update_ip_address()
self.set_icon_widget(self._icon)
self._icon.show()
def _ip_address_changed_cb(self, model, pspec):
self._update_ip_address()
def _state_changed_cb(self, model, pspec):
self._update_state()
def _update_ip_address(self):
self.palette.set_ip_address(self._model.props.ip_address)
def _update_state(self):
# FIXME Change icon colors once we have real icons
state = self._model.props.state
self.palette.update_state(state)
self._icon.props.pulsing = state == device.STATE_ACTIVATING
if state == device.STATE_ACTIVATING:
self._icon.props.base_color = \
XoColor("%s,%s" % (style.COLOR_INACTIVE_STROKE.get_svg(),
style.COLOR_INACTIVE_FILL.get_svg()))
elif state == device.STATE_ACTIVATED:
self._icon.props.base_color = profile.get_color()
elif state == device.STATE_INACTIVE:
self._icon.props.base_color = \
XoColor("%s,%s" % (style.COLOR_INACTIVE_STROKE.get_svg(),
style.COLOR_INACTIVE_FILL.get_svg()))
if state == device.STATE_INACTIVE:
self.palette.set_primary_text(_("Mesh Network"))
else:
chan = wireless.freq_to_channel(self._model.props.frequency)
if chan > 0:
self.palette.set_primary_text(_("Mesh Network") + " %d" % chan)
self.palette.set_mesh_step(self._model.props.mesh_step, state)
class MeshPalette(Palette):
def __init__(self, primary_text, model):
Palette.__init__(self, primary_text, menu_after_content=True)
self._model = model
self._step_label = gtk.Label()
self._step_label.show()
self._ip_address_label = gtk.Label()
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 = gtk.VBox()
vbox.pack_start(_padded(self._step_label))
vbox.pack_start(_padded(self._ip_address_label))
vbox.show_all()
self.set_content(vbox)
self._disconnect_item = gtk.MenuItem(_('Disconnect...'))
self._disconnect_item.connect('activate', self._disconnect_activate_cb)
self.menu.append(self._disconnect_item)
def update_state(self, state):
if state == device.STATE_ACTIVATED:
self._disconnect_item.show()
else:
self._disconnect_item.hide()
def _disconnect_activate_cb(self, menuitem):
# Disconnection for an mesh means activating the default mesh device
# again without a channel
network_manager = hardwaremanager.get_network_manager()
nm_device = self._model.get_nm_device()
if network_manager and nm_device:
network_manager.set_active_device(nm_device)
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)
def set_mesh_step(self, step, state):
label = ""
if step == 1:
if state == device.STATE_ACTIVATED:
label = _("Connected to a School Mesh Portal")
elif state == device.STATE_ACTIVATING:
label = _("Looking for a School Mesh Portal...")
elif step == 3:
if state == device.STATE_ACTIVATED:
label = _("Connected to an XO Mesh Portal")
elif state == device.STATE_ACTIVATING:
label = _("Looking for an XO Mesh Portal...")
elif step == 4:
if state == device.STATE_ACTIVATED:
label = _("Connected to a Simple Mesh")
elif state == device.STATE_ACTIVATING:
label = _("Starting a Simple Mesh")
if len(label):
self._step_label.set_text(label)
else:
import logging
logging.debug("Unhandled mesh step %d" % step)
self._step_label.set_text(_("Unknown Mesh"))
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