import sys
import subprocess
from JAK.Utils import Instance, bindings
from JAK.Widgets import JWindow
from JAK.WebEngine import JWebView
from JAK import __version__
if bindings() == "PyQt5":
print("PyQt5 Bindings")
from PyQt5.QtCore import Qt, QCoreApplication
from PyQt5.QtWidgets import QApplication
else:
print("JAK_PREFERRED_BINDING environment variable not set, falling back to PySide2 Bindings.")
from PySide2.QtCore import Qt, QCoreApplication
from PySide2.QtWidgets import QApplication
class JWebApp(QApplication):
def config():
return {
"title": "Jade Application Kit",
"icon": None,
"web_contents": "https://codesardine.github.io/Jade-Application-Kit",
"debug": False,
"debug_port": "9000",
"transparent": False,
"online": False,
"disable_gpu": False,
"url_rules": None,
"cookies_path": None,
"user_agent": None,
"add_CSS": None,
"run_JavaScript": None,
"inject_JavaScript": {
"JavaScript": None,
"name": "user-script"
},
"webChannel": {
"active": False,
"shared_obj": None
},
"toolbar": None,
"menus": None,
"MediaAudioVideoCapture": False,
"MediaVideoCapture": False,
"MediaAudioCapture": False,
"Geolocation": False,
"MouseLock": False,
"DesktopVideoCapture": False,
"DesktopAudioVideoCapture": False,
"JavascriptCanPaste": True,
"PlaybackRequiresUserGesture": False,
"FullScreenSupportEnabled": True,
"AllowWindowActivationFromJavaScript": True,
"LocalContentCanAccessRemoteUrls": True,
"JavascriptCanAccessClipboard": True,
"SpatialNavigationEnabled": True,
"TouchIconsEnabled": True,
"FocusOnNavigationEnabled": True
}
def __init__(self, config=config(), **app_config):
self.config = config
for key, value in app_config.items():
config[key] = value
QCoreApplication.setAttribute(Qt.AA_UseHighDpiPixmaps, True)
QCoreApplication.setAttribute(Qt.AA_EnableHighDpiScaling, True)
if config["debug"] or "--dev" in sys.argv:
Adding some command line arguments for testing purposes, this MUST BE done before initializing QApplication
sys.argv.append(f"--remote-debugging-port={config['debug_port']}")
print("Debugging Mode On")
if not config["debug"]:
config["debug"] = True
else:
print("Production Mode On, use (--dev) for debugging")
Enable/Disable GPU acceleration
if not config["disable_gpu"]:
Virtual machine detection using SystemD
detect_virtual_machine = subprocess.Popen(
["systemd-detect-virt"], stdout=subprocess.PIPE, stderr=subprocess.STDOUT
)
FIXME find a more reliable way of detecting NVIDIA cards
detect_nvidia_pci = subprocess.Popen(
"lspci | grep -i --color 'vga\|3d\|2d'", stdout=subprocess.PIPE, stderr=subprocess.STDOUT,
shell=True
)
virtual = detect_virtual_machine.communicate()
nvidia_pci = detect_nvidia_pci.communicate()
nvidia_pci = nvidia_pci[0].decode("utf-8").lower()
def disable_opengl():
Disable GPU acceleration https://codereview.qt-project.org/c/qt/qtwebengine-chromium/+/206307
QCoreApplication.setAttribute(Qt.AA_UseSoftwareOpenGL, True)
if config["disable_gpu"]:
disable_opengl()
print("Disabling GPU, Software Rendering explicitly activated")
else:
if virtual[-1]:
Detect virtual machine
print(f"Virtual machine detected:{virtual}")
disable_opengl()
elif nvidia_pci:
Detect NVIDIA cards
if "nvidia" in nvidia_pci:
print("NVIDIA detected:Known bug - kernel rejected pushbuf")
print("Falling back to Software Rendering")
disable_opengl()
else:
print(f"Virtual Machine:{virtual[-1]}")
super(JWebApp, self).__init__(sys.argv)
Desktop file must match application name in lowercase with dashes instead of white space.
self.setDesktopFileName(f"{config['title'].lower().replace(' ', '-')}.desktop")
self.setOrganizationDomain(config['web_contents'])
self.setApplicationVersion(__version__)
if not config['online']:
if bindings() == "PyQt5":
from PyQt5.QtWebEngineCore import QWebEngineUrlScheme
else:
from PySide2.QtWebEngineCore import QWebEngineUrlScheme
QWebEngineUrlScheme.registerScheme(QWebEngineUrlScheme("ipc".encode()))
def run(self):
Instance.record("view", JWebView(self.config))
if self.config["add_CSS"]:
from JAK.Utils import JavaScript
JavaScript.css(self.config["add_CSS"])
print("Custom CSS detected")
if self.config["run_JavaScript"]:
from JAK.Utils import JavaScript
JavaScript.send(self.config["run_JavaScript"])
print("Custom JavaScript detected")
win = Instance.auto("win", JWindow(self.config))
win.resize(win.default_size("width"), win.default_size("height"))
win.show()
win.window_original_position = win.frameGeometry()
result = self.exec_()
sys.exit(result)