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# -*- coding: utf-8 -*-
# Copyright (C) 2014 LEAP
#
# 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.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
"""
Widget for "vpn" preferences
"""
from PySide import QtCore, QtGui
from leap.bitmask.gui.ui_preferences_vpn_page import Ui_PreferencesVpnPage
from leap.bitmask.gui.flashable import Flashable
from leap.bitmask.gui.preferences_page import PreferencesPage
class PreferencesVpnPage(PreferencesPage, Flashable):
"""
Page in the preferences window that shows VPN settings
"""
def __init__(self, parent, account, app):
"""
:param parent: parent object of the EIPPreferencesWindow.
:type parent: QWidget
:param account: the currently active account
:type account: Account
:param app: shared App instance
:type app: App
"""
PreferencesPage.__init__(self, parent, account, app)
self.AUTOMATIC_GATEWAY_LABEL = self.tr("Automatic")
# Load UI
self.ui = Ui_PreferencesVpnPage()
self.ui.setupUi(self)
self.ui.flash_label.setVisible(False)
self.hide_flash()
self.setup_connections()
# Trigger update
self.app.backend.eip_get_gateways_list(domain=self.account.domain)
def setup_connections(self):
"""
connect signals
"""
self.ui.gateways_list.clicked.connect(self._save_selected_gateway)
sig = self.app.signaler
sig.eip_get_gateways_list.connect(self._update_gateways_list)
sig.eip_get_gateways_list_error.connect(self._gateways_list_error)
sig.eip_uninitialized_provider.connect(
self._gateways_list_uninitialized)
def teardown_connections(self):
"""
disconnect signals
"""
self.ui.gateways_list.clicked.disconnect(self._save_selected_gateway)
sig = self.app.signaler
sig.eip_get_gateways_list.disconnect(self._update_gateways_list)
sig.eip_get_gateways_list_error.disconnect(self._gateways_list_error)
sig.eip_uninitialized_provider.disconnect(
self._gateways_list_uninitialized)
def _save_selected_gateway(self, index):
"""
TRIGGERS:
self.ui.gateways_list.clicked
Saves the new gateway setting to the configuration file.
:param index: the current index of the selection.
:type current_item: QModelIndex
"""
item = self.ui.gateways_list.currentItem()
if item.text() == self.AUTOMATIC_GATEWAY_LABEL:
gateway = self.app.settings.GATEWAY_AUTOMATIC
else:
gateway = item.data(QtCore.Qt.UserRole)
self.app.settings.set_selected_gateway(self.account.domain, gateway)
self.app.backend.settings_set_selected_gateway(
provider=self.account.domain,
gateway=gateway)
def _update_gateways_list(self, gateways):
"""
TRIGGERS:
Signaler.eip_get_gateways_list
:param gateways: a list of gateways
:type gateways: list of unicode
Add the available gateways and select the one stored in
configuration file.
"""
self.ui.gateways_list.clear()
self.ui.gateways_list.addItem(self.AUTOMATIC_GATEWAY_LABEL)
selected_gateway = self.app.settings.get_selected_gateway(
self.account.domain)
index = 0
for idx, (gw_name, gw_ip, gw_country) in enumerate(gateways):
gateway_text = "{0} ({1})".format(gw_name, gw_ip)
item = QtGui.QListWidgetItem(self.ui.gateways_list)
item.setText(gateway_text)
item.setIcon(QtGui.QIcon(
":/images/countries/%s.png" % (gw_country.lower(),)))
item.setData(QtCore.Qt.UserRole, gw_ip)
if gw_ip == selected_gateway:
index = idx + 1
self.ui.gateways_list.setCurrentRow(index)
def _gateways_list_error(self):
"""
TRIGGERS:
Signaler.eip_get_gateways_list_error
An error has occurred retrieving the gateway list
so we inform the user.
"""
self.flash_error(
self.tr("Error loading configuration file."))
self.ui.gateways_list.setEnabled(False)
def _gateways_list_uninitialized(self):
"""
TRIGGERS:
Signaler.eip_uninitialized_provider
The requested provider in not initialized yet, so we give the user an
error msg.
"""
self.flash_error(
self.tr("This is an uninitialized provider, please log in first."))
self.ui.gateways_list.setEnabled(False)
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