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# -*- coding: utf-8 -*-
# statuspanel.py
# Copyright (C) 2013 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/>.
"""
Status Panel widget implementation
"""
import logging
from functools import partial
from PySide import QtCore, QtGui
from ui_statuspanel import Ui_StatusPanel
from leap.services.eip.vpnprocess import VPNManager
from leap.platform_init import IS_WIN, IS_LINUX
from leap.common.check import leap_assert_type
logger = logging.getLogger(__name__)
class StatusPanelWidget(QtGui.QWidget):
"""
Status widget that displays the current state of the LEAP services
"""
start_eip = QtCore.Signal()
stop_eip = QtCore.Signal()
def __init__(self, parent=None):
QtGui.QWidget.__init__(self, parent)
self._systray = None
self._action_eip_status = None
self.ui = Ui_StatusPanel()
self.ui.setupUi(self)
self.ui.btnEipStartStop.setEnabled(False)
self.ui.btnEipStartStop.clicked.connect(
self.start_eip)
self.hide_status_box()
# Set the EIP status icons
self.CONNECTING_ICON = None
self.CONNECTED_ICON = None
self.ERROR_ICON = None
self.CONNECTING_ICON_TRAY = None
self.CONNECTED_ICON_TRAY = None
self.ERROR_ICON_TRAY = None
self._set_eip_icons()
def _set_eip_icons(self):
"""
Sets the EIP status icons for the main window and for the tray
MAC : dark icons
LINUX : dark icons in window, light icons in tray
WIN : light icons
"""
EIP_ICONS = EIP_ICONS_TRAY = (
":/images/conn_connecting-light.png",
":/images/conn_connected-light.png",
":/images/conn_error-light.png")
if IS_LINUX:
EIP_ICONS_TRAY = (
":/images/conn_connecting.png",
":/images/conn_connected.png",
":/images/conn_error.png")
elif IS_WIN:
EIP_ICONS = EIP_ICONS_TRAY = (
":/images/conn_connecting.png",
":/images/conn_connected.png",
":/images/conn_error.png")
self.CONNECTING_ICON = QtGui.QPixmap(EIP_ICONS[0])
self.CONNECTED_ICON = QtGui.QPixmap(EIP_ICONS[1])
self.ERROR_ICON = QtGui.QPixmap(EIP_ICONS[2])
self.CONNECTING_ICON_TRAY = QtGui.QPixmap(EIP_ICONS_TRAY[0])
self.CONNECTED_ICON_TRAY = QtGui.QPixmap(EIP_ICONS_TRAY[1])
self.ERROR_ICON_TRAY = QtGui.QPixmap(EIP_ICONS_TRAY[2])
def set_systray(self, systray):
"""
Sets the systray object to use.
:param systray: Systray object
:type systray: QtGui.QSystemTrayIcon
"""
leap_assert_type(systray, QtGui.QSystemTrayIcon)
self._systray = systray
def set_action_eip_status(self, action_eip_status):
"""
Sets the action_eip_status to use.
:param action_eip_status: action_eip_status to be used
:type action_eip_status: QtGui.QAction
"""
leap_assert_type(action_eip_status, QtGui.QAction)
self._action_eip_status = action_eip_status
def set_global_status(self, status, error=False):
"""
Sets the global status label.
:param status: status message
:type status: str or unicode
:param error: if the status is an erroneous one, then set this
to True
:type error: bool
"""
leap_assert_type(error, bool)
if error:
status = "<font color='red'><b>%s</b></font>" % (status,)
self.ui.lblGlobalStatus.setText(status)
self.ui.globalStatusBox.show()
def hide_status_box(self):
"""
Hide global status box.
"""
self.ui.globalStatusBox.hide()
def set_eip_status(self, status, error=False):
"""
Sets the status label at the VPN stage to status
:param status: status message
:type status: str or unicode
:param error: if the status is an erroneous one, then set this
to True
:type error: bool
"""
leap_assert_type(error, bool)
self._systray.setToolTip(status)
if error:
status = "<font color='red'>%s</font>" % (status,)
self.ui.lblEIPStatus.setText(status)
def set_startstop_enabled(self, value):
"""
Enable or disable btnEipStartStop based on value
:param value: True for enabled, False otherwise
:type value: bool
"""
leap_assert_type(value, bool)
self.ui.btnEipStartStop.setEnabled(value)
def eip_pre_up(self):
"""
Triggered when the app activates eip.
Hides the status box and disables the start/stop button.
"""
self.hide_status_box()
self.set_startstop_enabled(False)
def eip_started(self):
"""
Sets the state of the widget to how it should look after EIP
has started
"""
self.ui.btnEipStartStop.setText(self.tr("Turn OFF"))
self.ui.btnEipStartStop.disconnect(self)
self.ui.btnEipStartStop.clicked.connect(
self.stop_eip)
def eip_stopped(self):
"""
Sets the state of the widget to how it should look after EIP
has stopped
"""
self.ui.btnEipStartStop.setText(self.tr("Turn ON"))
self.ui.btnEipStartStop.disconnect(self)
self.ui.btnEipStartStop.clicked.connect(
self.start_eip)
def set_icon(self, icon):
"""
Sets the icon to display for EIP
:param icon: icon to display
:type icon: QPixmap
"""
self.ui.lblVPNStatusIcon.setPixmap(icon)
def update_vpn_status(self, data):
"""
SLOT
TRIGGER: VPN.status_changed
Updates the download/upload labels based on the data provided
by the VPN thread
"""
upload = float(data[VPNManager.TUNTAP_WRITE_KEY] or "0")
upload = upload / 1000.0
upload_str = "%12.2f Kb" % (upload,)
self.ui.lblUpload.setText(upload_str)
download = float(data[VPNManager.TUNTAP_READ_KEY] or "0")
download = download / 1000.0
download_str = "%12.2f Kb" % (download,)
self.ui.lblDownload.setText(download_str)
def update_vpn_state(self, data):
"""
SLOT
TRIGGER: VPN.state_changed
Updates the displayed VPN state based on the data provided by
the VPN thread
"""
status = data[VPNManager.STATUS_STEP_KEY]
self.set_eip_status_icon(status)
if status == "CONNECTED":
self.set_eip_status(self.tr("ON"))
# Only now we can properly enable the button.
self.set_startstop_enabled(True)
elif status == "AUTH":
self.set_eip_status(self.tr("Authenticating..."))
elif status == "GET_CONFIG":
self.set_eip_status(self.tr("Retrieving configuration..."))
elif status == "WAIT":
self.set_eip_status(self.tr("Waiting to start..."))
elif status == "ASSIGN_IP":
self.set_eip_status(self.tr("Assigning IP"))
elif status == "ALREADYRUNNING":
# Put the following calls in Qt's event queue, otherwise
# the UI won't update properly
QtCore.QTimer.singleShot(0, self.stop_eip)
QtCore.QTimer.singleShot(0, partial(self.set_global_status,
self.tr("Unable to start VPN, "
"it's already "
"running.")))
else:
self.set_eip_status(status)
def set_eip_status_icon(self, status):
"""
Given a status step from the VPN thread, set the icon properly
:param status: status step
:type status: str
"""
selected_pixmap = self.ERROR_ICON
selected_pixmap_tray = self.ERROR_ICON_TRAY
tray_message = self.tr("Encryption is OFF")
if status in ("WAIT", "AUTH", "GET_CONFIG",
"RECONNECTING", "ASSIGN_IP"):
selected_pixmap = self.CONNECTING_ICON
selected_pixmap_tray = self.CONNECTING_ICON_TRAY
tray_message = self.tr("Turning ON")
elif status in ("CONNECTED"):
tray_message = self.tr("Encryption is ON")
selected_pixmap = self.CONNECTED_ICON
selected_pixmap_tray = self.CONNECTED_ICON_TRAY
self.set_icon(selected_pixmap)
self._systray.setIcon(QtGui.QIcon(selected_pixmap_tray))
self._action_eip_status.setText(tray_message)
def set_provider(self, provider):
self.ui.lblProvider.setText(provider)
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