onionshare/onionshare_gui/main_window.py
2019-11-08 15:40:37 +08:00

307 lines
12 KiB
Python

# -*- coding: utf-8 -*-
"""
OnionShare | https://onionshare.org/
Copyright (C) 2014-2018 Micah Lee <micah@micahflee.com>
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/>.
"""
from PyQt5 import QtCore, QtWidgets, QtGui
from onionshare import strings
from onionshare.web import Web
from .tor_connection_dialog import TorConnectionDialog
from .settings_dialog import SettingsDialog
from .widgets import Alert
from .update_checker import UpdateThread
from .tab_widget import TabWidget
class MainWindow(QtWidgets.QMainWindow):
"""
MainWindow is the OnionShare main window, which contains the GUI elements, including all open tabs
"""
def __init__(self, common, filenames):
super(MainWindow, self).__init__()
self.common = common
self.common.log("MainWindow", "__init__")
# Initialize the window
self.setMinimumWidth(1040)
self.setMinimumHeight(700)
self.setWindowTitle("OnionShare")
self.setWindowIcon(
QtGui.QIcon(self.common.get_resource_path("images/logo.png"))
)
# System tray
menu = QtWidgets.QMenu()
self.settings_action = menu.addAction(strings._("gui_settings_window_title"))
self.settings_action.triggered.connect(self.open_settings)
self.help_action = menu.addAction(strings._("gui_settings_button_help"))
self.help_action.triggered.connect(lambda: SettingsDialog.help_clicked(self))
exit_action = menu.addAction(strings._("systray_menu_exit"))
exit_action.triggered.connect(self.close)
self.system_tray = QtWidgets.QSystemTrayIcon(self)
# The convention is Mac systray icons are always grayscale
if self.common.platform == "Darwin":
self.system_tray.setIcon(
QtGui.QIcon(self.common.get_resource_path("images/logo_grayscale.png"))
)
else:
self.system_tray.setIcon(
QtGui.QIcon(self.common.get_resource_path("images/logo.png"))
)
self.system_tray.setContextMenu(menu)
self.system_tray.show()
# Status bar
self.status_bar = QtWidgets.QStatusBar()
self.status_bar.setSizeGripEnabled(False)
self.status_bar.setStyleSheet(self.common.gui.css["status_bar"])
self.setStatusBar(self.status_bar)
# Server status indicator icons
self.status_bar.server_status_image_stopped = QtGui.QImage(
self.common.get_resource_path("images/server_stopped.png")
)
self.status_bar.server_status_image_working = QtGui.QImage(
self.common.get_resource_path("images/server_working.png")
)
self.status_bar.server_status_image_started = QtGui.QImage(
self.common.get_resource_path("images/server_started.png")
)
# Server status indicator on the status bar
self.status_bar.server_status_image_label = QtWidgets.QLabel()
self.status_bar.server_status_image_label.setFixedWidth(20)
self.status_bar.server_status_label = QtWidgets.QLabel("")
self.status_bar.server_status_label.setStyleSheet(
self.common.gui.css["server_status_indicator_label"]
)
server_status_indicator_layout = QtWidgets.QHBoxLayout()
server_status_indicator_layout.addWidget(
self.status_bar.server_status_image_label
)
server_status_indicator_layout.addWidget(self.status_bar.server_status_label)
self.status_bar.server_status_indicator = QtWidgets.QWidget()
self.status_bar.server_status_indicator.setLayout(
server_status_indicator_layout
)
self.status_bar.addPermanentWidget(self.status_bar.server_status_indicator)
# Settings button
self.settings_button = QtWidgets.QPushButton()
self.settings_button.setDefault(False)
self.settings_button.setFixedSize(40, 50)
self.settings_button.setIcon(
QtGui.QIcon(self.common.get_resource_path("images/settings.png"))
)
self.settings_button.clicked.connect(self.open_settings)
self.settings_button.setStyleSheet(self.common.gui.css["settings_button"])
self.status_bar.addPermanentWidget(self.settings_button)
# Tabs
self.tabs = TabWidget(self.common, self.system_tray, self.status_bar)
# If we have saved persistent tabs, try opening those
if len(self.common.settings.get("persistent_tabs")) > 0:
for mode_settings_id in self.common.settings.get("persistent_tabs"):
self.tabs.load_tab(mode_settings_id)
else:
# Start with opening the first tab
self.tabs.new_tab_clicked()
# Layout
layout = QtWidgets.QVBoxLayout()
layout.addWidget(self.tabs)
central_widget = QtWidgets.QWidget()
central_widget.setLayout(layout)
self.setCentralWidget(central_widget)
self.show()
# Start the "Connecting to Tor" dialog, which calls onion.connect()
tor_con = TorConnectionDialog(self.common)
tor_con.canceled.connect(self.tor_connection_canceled)
tor_con.open_settings.connect(self.tor_connection_open_settings)
if not self.common.gui.local_only:
tor_con.start()
# After connecting to Tor, check for updates
self.check_for_updates()
# Create the close warning dialog -- the dialog widget needs to be in the constructor
# in order to test it
self.close_dialog = QtWidgets.QMessageBox()
self.close_dialog.setWindowTitle(strings._("gui_quit_warning_title"))
self.close_dialog.setText(strings._("gui_quit_warning_description"))
self.close_dialog.setIcon(QtWidgets.QMessageBox.Critical)
self.close_dialog.accept_button = self.close_dialog.addButton(
strings._("gui_quit_warning_quit"), QtWidgets.QMessageBox.AcceptRole
)
self.close_dialog.reject_button = self.close_dialog.addButton(
strings._("gui_quit_warning_cancel"), QtWidgets.QMessageBox.NoRole
)
self.close_dialog.setDefaultButton(self.close_dialog.reject_button)
def tor_connection_canceled(self):
"""
If the user cancels before Tor finishes connecting, ask if they want to
quit, or open settings.
"""
self.common.log("MainWindow", "tor_connection_canceled")
def ask():
a = Alert(
self.common,
strings._("gui_tor_connection_ask"),
QtWidgets.QMessageBox.Question,
buttons=QtWidgets.QMessageBox.NoButton,
autostart=False,
)
settings_button = QtWidgets.QPushButton(
strings._("gui_tor_connection_ask_open_settings")
)
quit_button = QtWidgets.QPushButton(
strings._("gui_tor_connection_ask_quit")
)
a.addButton(settings_button, QtWidgets.QMessageBox.AcceptRole)
a.addButton(quit_button, QtWidgets.QMessageBox.RejectRole)
a.setDefaultButton(settings_button)
a.exec_()
if a.clickedButton() == settings_button:
# Open settings
self.common.log(
"OnionShareGui",
"_tor_connection_canceled",
"Settings button clicked",
)
self.open_settings()
if a.clickedButton() == quit_button:
# Quit
self.common.log(
"OnionShareGui", "_tor_connection_canceled", "Quit button clicked"
)
# Wait 1ms for the event loop to finish, then quit
QtCore.QTimer.singleShot(1, self.common.gui.qtapp.quit)
# Wait 100ms before asking
QtCore.QTimer.singleShot(100, ask)
def tor_connection_open_settings(self):
"""
The TorConnectionDialog wants to open the Settings dialog
"""
self.common.log("MainWindow", "tor_connection_open_settings")
# Wait 1ms for the event loop to finish closing the TorConnectionDialog
QtCore.QTimer.singleShot(1, self.open_settings)
def open_settings(self):
"""
Open the SettingsDialog.
"""
self.common.log("MainWindow", "open_settings")
def reload_settings():
self.common.log(
"OnionShareGui", "open_settings", "settings have changed, reloading"
)
self.common.settings.load()
# We might've stopped the main requests timer if a Tor connection failed.
# If we've reloaded settings, we probably succeeded in obtaining a new
# connection. If so, restart the timer.
if not self.common.gui.local_only:
if self.common.gui.onion.is_authenticated():
if not self.timer.isActive():
self.timer.start(500)
self.share_mode.on_reload_settings()
self.receive_mode.on_reload_settings()
self.website_mode.on_reload_settings()
self.status_bar.clearMessage()
# If we switched off the auto-stop timer setting, ensure the widget is hidden.
if not self.common.settings.get("autostop_timer"):
self.share_mode.server_status.autostop_timer_container.hide()
self.receive_mode.server_status.autostop_timer_container.hide()
self.website_mode.server_status.autostop_timer_container.hide()
# If we switched off the auto-start timer setting, ensure the widget is hidden.
if not self.common.settings.get("autostart_timer"):
self.share_mode.server_status.autostart_timer_datetime = None
self.receive_mode.server_status.autostart_timer_datetime = None
self.website_mode.server_status.autostart_timer_datetime = None
self.share_mode.server_status.autostart_timer_container.hide()
self.receive_mode.server_status.autostart_timer_container.hide()
self.website_mode.server_status.autostart_timer_container.hide()
d = SettingsDialog(self.common)
# d.settings_saved.connect(reload_settings)
# TODO: move the reload_settings logic into tabs
d.exec_()
def check_for_updates(self):
"""
Check for updates in a new thread, if enabled.
"""
if self.common.platform == "Windows" or self.common.platform == "Darwin":
if self.common.settings.get("use_autoupdate"):
def update_available(update_url, installed_version, latest_version):
Alert(
self.common,
strings._("update_available").format(
update_url, installed_version, latest_version
),
)
self.update_thread = UpdateThread(
self.common, self.common.gui.onion, self.common.gui.config
)
self.update_thread.update_available.connect(update_available)
self.update_thread.start()
def closeEvent(self, e):
self.common.log("MainWindow", "closeEvent")
if self.tabs.are_tabs_active():
# Open the warning dialog
self.common.log("MainWindow", "closeEvent, opening warning dialog")
self.close_dialog.exec_()
# Close
if self.close_dialog.clickedButton() == self.close_dialog.accept_button:
self.system_tray.hide()
e.accept()
# Cancel
else:
e.ignore()
return
self.system_tray.hide()
e.accept()
def cleanup(self):
self.common.gui.onion.cleanup()
# TODO: Run the tab's cleanup