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LorenEteval_Furious/Furious/Widget/Application.py
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2025-12-02 15:07:25 +08:00

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# Copyright (C) 2024–present Loren Eteval & contributors <loren.eteval@proton.me>
#
# This file is part of Furious.
#
# 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 <https://www.gnu.org/licenses/>.
from Furious.Frozenlib import *
from Furious.Interface import *
from Furious.Qt import gettext as _
from Furious.Library import *
from Furious.Utility import *
from Furious.Widget.SystemTrayIcon import *
from Furious.Window.AppMainWindow import *
from Furious.Window.LogViewerWindow import *
from PySide6 import QtCore
from PySide6.QtGui import *
from PySide6.QtNetwork import *
from PySide6.QtWidgets import *
import os
import sys
import logging
import platform
import threading
import functools
import traceback
import qdarkstyle
import darkdetect
logger = logging.getLogger(__name__)
registerAppSettings('LogViewerWidgetPointSizeSelf')
registerAppSettings('LogViewerWidgetPointSizeCore')
registerAppSettings('LogViewerWidgetPointSizeTun_')
class SystemTrayUnavailable(Exception):
pass
class AppLogHandler(logging.Handler):
def __init__(self, emitCallback):
super().__init__()
self.emitCallback = emitCallback
def emit(self, record):
if callable(self.emitCallback):
self.emitCallback(self.format(record))
class ApplicationExitHelper(QApplication):
def __init__(self, argv):
super().__init__(argv)
# Exiting flag
self._exiting = False
def setExitingFlag(self, value: bool):
self._exiting = value
def isExiting(self) -> bool:
return self._exiting is True
class SingletonApplication(ApplicationExitHelper):
def __init__(self, argv):
super().__init__(argv)
self.serverName = LOCAL_SERVER_NAME
self.socket = QLocalSocket(self)
self.server = QLocalServer(self)
def hasRunningApp(self) -> bool:
self.socket.connectToServer(self.serverName)
if self.socket.waitForConnected(1000):
if len(sys.argv) == 1:
command = AppCommands.Empty.value
else:
command = sys.argv[1]
self.socket.write(command.encode())
self.socket.flush()
if command == AppCommands.Empty.value:
# Show tray message in the started instance. Do not start
return True
elif command == AppCommands.RunAs.value:
if self.socket.waitForDisconnected(3000):
# The other instance have been exited. Start
return False
else:
# Do not start
return True
else:
# TODO: Not implemented
# Do not start
return True
else:
# Remove the old socket file if it exists
socket_path = QLocalServer.removeServer(self.serverName)
if socket_path:
logger.info(f'old socket file removed: {self.serverName}')
else:
logger.info(f'no existing socket file found for: {self.serverName}')
# New instance
self.server.newConnection.connect(self.handleNewConnection)
if not self.server.listen(self.serverName):
# Do not start
logger.error(f'unable to listen on server: {self.serverName}')
return True
# Start
return False
@QtCore.Slot()
def handleNewConnection(self):
raise NotImplementedError
class ApplicationThemeDetector(QtCore.QObject):
themeChanged = QtCore.Signal(str)
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
class Application(ApplicationFactory, SingletonApplication):
def __init__(self, argv):
super().__init__(argv)
self.setApplicationName(APPLICATION_NAME)
self.setApplicationVersion(APPLICATION_VERSION)
self.setOrganizationName(ORGANIZATION_NAME)
self.setOrganizationDomain(ORGANIZATION_DOMAIN)
self.systemTray = None
# Font
self.customFontLoadMsg = ''
self.customFontEnabled = False
self.customFontName = ''
# Theme Detect
self.currentTheme = None
self.themeDetectTimer = None
self.themeDetector = None
self.themeListenerThread = None
self.mainWindow = None
self.systemTray = None
# Logging window
self.logViewerWindowSelf = None
self.logViewerWindowCore = None
self.logViewerWindowTun_ = None
# Protected storage access
self._userActivatedItemIndex = None
self._userServers = None
self._userSubs = None
self._userTUNSettings = None
# ThreadPool
self.threadPool = QtCore.QThreadPool()
self.threadPool.setMaxThreadCount(max(OS_CPU_COUNT // 2, 1))
@callRateLimited(maxCallPerSecond=2)
@QtCore.Slot()
def handleNewConnection(self):
socket = self.server.nextPendingConnection()
socket.readyRead.connect(functools.partial(self.handleNewData, socket))
@QtCore.Slot(QLocalSocket)
def handleNewData(self, socket: QLocalSocket):
data = socket.readAll().data()
if isinstance(data, bytes):
datastr = data.decode('utf-8', 'replace')
else:
datastr = str(data)
if datastr == AppCommands.Empty.value:
if isinstance(self.systemTray, SystemTrayIcon):
logger.info('attempting to start multiple instance. Show tray message')
self.systemTray.showMessage(_('Already started'))
else:
# The tray hasn't been initialized. Do nothing
pass
elif datastr == AppCommands.RunAs.value:
logger.info('detected requests to start as admin in new instance. Exiting')
self.exit()
else:
# TODO: Not implemented
pass
def configureLogging(self):
self.logViewerWindowSelf = LogViewerWindow(
tabTitle=_('Furious Log'),
fontFamily=self.customFontName,
pointSizeSettingsName='LogViewerWidgetPointSizeSelf',
)
self.logViewerWindowCore = LogViewerWindow(
tabTitle=_('Core Log'),
fontFamily=self.customFontName,
pointSizeSettingsName='LogViewerWidgetPointSizeCore',
)
self.logViewerWindowTun_ = LogViewerWindow(
tabTitle=_('Tun2socks Log'),
fontFamily=self.customFontName,
pointSizeSettingsName='LogViewerWidgetPointSizeTun_',
)
logging.basicConfig(
format='[%(asctime)s] [%(name)s] [%(levelname)s] %(message)s',
level=logging.INFO,
handlers=(
AppLogHandler(
functools.partial(self.logViewerWindowSelf.appendLine),
),
logging.StreamHandler(),
),
)
logging.raiseExceptions = False
def addCustomFont(self):
fontFile = str(DATA_DIR / 'font' / 'CascadiaMono')
fontName = 'Cascadia Mono'
if QFontDatabase.addApplicationFont(fontFile) != -1:
# Delayed
self.customFontLoadMsg = f'custom font {fontName} load success'
self.customFontEnabled = True
self.customFontName = fontName
else:
# Delayed
self.customFontLoadMsg = f'custom font {fontName} load failed'
@staticmethod
def addEnviron():
# Xray environment variables
os.environ['XRAY_LOCATION_ASSET'] = str(XRAY_ASSET_DIR)
def addStorage(self):
# Protected storage access
self._userActivatedItemIndex = Storage.UserActivatedItemIndex()
self._userServers = Storage.UserServers()
self._userSubs = Storage.UserSubs()
self._userTUNSettings = Storage.UserTUNSettings()
def isSystemTrayConnected(self):
if isinstance(self.systemTray, SystemTrayIcon):
return self.systemTray.ConnectAction.isConnected()
else:
return False
def isDarkMode(self):
backgroudColor = self.palette().color(QPalette.ColorRole.Window)
return backgroudColor.lightness() < 128
def isDarkModeEnabled(self):
if not SystemRuntime.isAdmin():
return AppSettings.isStateON_('DarkMode')
else:
return self.isDarkMode()
def switchToDarkMode(self):
self.setStyleSheet(qdarkstyle.load_stylesheet_pyside6())
Mixins.ThemeAware.callThemeChangedCallbackUnchecked('Dark')
def switchToAutoMode(self):
self.setStyleSheet('')
Mixins.ThemeAware.callThemeChangedCallbackUnchecked(darkdetect.theme())
@staticmethod
@callOnceOnly
@QtCore.Slot()
def cleanup():
Mixins.CleanupOnExit.cleanupAll()
if AppSettings.get('SystemProxyMode') == 'Auto':
# Automatically configure
SystemProxy.off()
SystemProxy.daemonOff()
AppThreadPool().clear()
logger.info('final cleanup done')
@staticmethod
def setDockIconVisible(visible: bool):
if PLATFORM != 'Darwin':
return
from AppKit import NSApplication
policy = 0 if visible else 1
NSApplication.sharedApplication().setActivationPolicy_(policy)
def eventFilter(self, watched, event):
# Show Dock icon on macOS when window is shown
# and hide only when window is closed (not minimized)
if PLATFORM == 'Darwin' and watched is self.mainWindow:
if event.type() == QtCore.QEvent.Type.Show:
self.setDockIconVisible(True)
if event.type() == QtCore.QEvent.Type.Hide:
# Hide Dock icon when window is closed (not minimized)
if not self.mainWindow.isMinimized():
self.setDockIconVisible(False)
return super().eventFilter(watched, event)
def installDockIconVisibilityFeature(self, remove=False):
if remove:
self.mainWindow.removeEventFilter(self)
self.setDockIconVisible(True)
else:
# Install event filter for main window to track show/hide
self.mainWindow.installEventFilter(self)
if not self.mainWindow.isVisible() and not self.mainWindow.isMinimized():
self.setDockIconVisible(False)
def exit(self, exitcode=0):
self.setExitingFlag(True)
self.threadPool.clear()
# Dirty exit
for timeout in [1000, 2000, 3000]:
QtCore.QTimer.singleShot(timeout, APP().exit)
super().exit(exitcode)
def run(self):
try:
if self.hasRunningApp():
# See: https://github.com/python/cpython/issues/79908
# sys.exit(None) in multiprocessing will produce
# exitcode 1 in some Python version, which is
# not what we want.
return ApplicationFactory.ExitCode.ExitSuccess.value
if not SystemTrayIcon.isSystemTrayAvailable():
raise SystemTrayUnavailable(
'SystemTrayIcon is not available on this platform'
)
self.addEnviron()
self.addStorage()
self.addCustomFont()
self.configureLogging()
logger.info(f'application version: {APPLICATION_VERSION}')
logger.info(
f'Qt version: {QtCore.qVersion()}. PySide6 version: {PYSIDE6_VERSION}'
)
logger.info(f'Qt build info: {QtCore.QLibraryInfo.build()}')
logger.info(f'platform: {PLATFORM}')
logger.info(f'platform release: {PLATFORM_RELEASE}')
logger.info(f'platform machine: {PLATFORM_MACHINE}')
if PLATFORM == 'Darwin':
logger.info(f'mac_ver: {platform.mac_ver()}')
appImagePath = SystemRuntime.appImagePath()
if appImagePath:
logger.info(f'running from Linux AppImage: \'{appImagePath}\'')
else:
logger.info('not running from Linux AppImage')
logger.info(f'python version: {PLATFORM_PYTHON_VERSION}')
logger.info(f'system version: {sys.version}')
logger.info(f'sys.executable: \'{sys.executable}\'')
logger.info(f'sys.argv: {sys.argv}')
logger.info(f'appFilePath: \'{self.applicationFilePath()}\'')
logger.info(f'isPythonw: {SystemRuntime.isPythonw()}')
logger.info(f'system language is {SYSTEM_LANGUAGE}')
logger.info(self.customFontLoadMsg)
logger.info(f'current theme is {darkdetect.theme()}')
if PLATFORM != 'Windows' and not SystemRuntime.isScriptMode():
logger.info('theme detect method uses timer implementation')
@QtCore.Slot()
def handleTimeout():
currentTheme = darkdetect.theme()
if self.currentTheme != currentTheme:
self.currentTheme = currentTheme
Mixins.ThemeAware.callThemeChangedCallback(currentTheme)
self.currentTheme = darkdetect.theme()
self.themeDetectTimer = QtCore.QTimer()
self.themeDetectTimer.timeout.connect(handleTimeout)
self.themeDetectTimer.start(1000)
else:
logger.info('theme detect method uses listener implementation')
def listener(*args, **kwargs):
try:
darkdetect.listener(*args, **kwargs)
except NotImplementedError:
# Not supported by darkdetect. Ignore
logger.error(
'darkdetect listener is not implemented on this platform'
)
self.themeDetector = ApplicationThemeDetector()
self.themeDetector.themeChanged.connect(
Mixins.ThemeAware.callThemeChangedCallback
)
self.themeListenerThread = threading.Thread(
target=listener,
args=(self.themeDetector.themeChanged.emit,),
daemon=True,
)
self.themeListenerThread.start()
# Mandatory
self.setQuitOnLastWindowClosed(False)
self.aboutToQuit.connect(Application.cleanup)
Win32Session.set(Application.cleanup)
Win32Session.run()
if AppSettings.get('SystemProxyMode') == 'Auto':
# Automatically configure
SystemProxy.off()
SystemProxy.daemonOn_()
self.mainWindow = AppMainWindow()
self.systemTray = SystemTrayIcon()
if PLATFORM == 'Darwin':
if AppSettings.isStateON_('HideDockIcon'):
# Hide Dock icon initially, keeping only the tray icon visible
self.installDockIconVisibilityFeature()
def onApplicationStateChange(state):
if state == QtCore.Qt.ApplicationState.ApplicationActive:
if (
not self.mainWindow.isVisible()
and not self.systemTray.ConnectAction.isConnecting()
):
self.mainWindow.show()
# Ensure the main window is shown when the dock icon is clicked
self.applicationStateChanged.connect(onApplicationStateChange)
if AppSettings.isStateON_('DarkMode'):
self.switchToDarkMode()
else:
self.switchToAutoMode()
self.systemTray.show()
self.systemTray.setCustomToolTip()
self.systemTray.bootstrap()
return self.exec()
except SystemTrayUnavailable:
return ApplicationFactory.ExitCode.PlatformNotSupported.value
except Exception:
# Any non-exit exceptions
traceback.print_exc()
return ApplicationFactory.ExitCode.UnknownException.value