class EdgeHTML:
def __init__(self, form, window):
self.pywebview_window = window
self.web_view = WebView()
life = ISupportInitialize(self.web_view)
life.BeginInit()
form.Controls.Add(self.web_view)
self.js_result_semaphore = Semaphore(0)
self.web_view.Dock = WinForms.DockStyle.Fill
self.web_view.DpiAware = True
self.web_view.IsIndexedDBEnabled = True
self.web_view.IsJavaScriptEnabled = True
self.web_view.IsScriptNotifyAllowed = True
self.web_view.IsPrivateNetworkClientServerCapabilityEnabled = True
self.web_view.DefaultBackgroundColor = form.BackColor
self.web_view.ScriptNotify += self.on_script_notify
self.web_view.NewWindowRequested += self.on_new_window_request
self.web_view.NavigationCompleted += self.on_navigation_completed
# This must be before loading URL. Otherwise the webview will remain empty
life.EndInit()
self.httpd = None # HTTP server for load_html
self.tmpdir = None
self.url = None
self.ishtml = False
_allow_localhost()
if window.url:
self.load_url(window.url)
elif window.html:
self.load_html(window.html, '')
else:
self.load_html(default_html, '')
def evaluate_js(self, script):
try:
result = self.web_view.InvokeScript('eval', (script,))
except Exception as e:
logger.exception('Error occurred in script')
result = None
self.js_result = None if result is None or result == '' else json.loads(result)
self.js_result_semaphore.release()
def get_current_url(self):
return self.url
def load_html(self, html, base_uri):
self.tmpdir = tempfile.mkdtemp()
self.temp_html = os.path.join(self.tmpdir, 'index.html')
with open(self.temp_html, 'w', encoding='utf-8') as f:
f.write(inject_base_uri(html, base_uri))
if self.httpd:
self.httpd.shutdown()
url, _ = start_server('file://' + self.temp_html)
self.ishtml = True
self.web_view.Navigate(url)
def load_url(self, url):
self.ishtml = False
# WebViewControl as of 5.1.1 crashes on file:// urls. Stupid workaround to make it work
if url.startswith('file://'):
url = start_server(self.url)
self.web_view.Navigate(url)
def on_script_notify(self, _, args):
try:
func_name, func_param, value_id = json.loads(args.Value)
if func_name == 'alert':
WinForms.MessageBox.Show(func_param)
elif func_name == 'console':
print(func_param)
else:
js_bridge_call(self.pywebview_window, func_name, func_param, value_id)
except Exception as e:
logger.exception('Exception occured during on_script_notify')
def on_new_window_request(self, _, args):
webbrowser.open(str(args.get_Uri()))
args.set_Handled(True)
def on_navigation_completed(self, _, args):
try:
if self.tmpdir and os.path.exists(self.tmpdir):
shutil.rmtree(self.tmpdir)
self.tmpdir = None
except Exception as e:
logger.exception('Failed deleting %s' % self.tmpdir)
url = str(args.Uri)
self.url = None if self.ishtml else url
self.web_view.InvokeScript('eval', ('window.alert = (msg) => window.external.notify(JSON.stringify(["alert", msg+"", ""]))',))
if _debug:
self.web_view.InvokeScript('eval', ('window.console = { log: (msg) => window.external.notify(JSON.stringify(["console", msg+"", ""]))}',))
self.web_view.InvokeScript('eval', (parse_api_js(self.pywebview_window, 'edgehtml'),))
if not self.pywebview_window.text_select:
self.web_view.InvokeScript('eval', (disable_text_select,))
self.pywebview_window.loaded.set()
class EdgeHTML:
def __init__(self, form, window):
self.pywebview_window = window
self.web_view = WebView()
life = ISupportInitialize(self.web_view)
life.BeginInit()
form.Controls.Add(self.web_view)
self.js_result_semaphore = Semaphore(0)
self.web_view.Dock = WinForms.DockStyle.Fill
self.web_view.DpiAware = True
self.web_view.IsIndexedDBEnabled = True
self.web_view.IsJavaScriptEnabled = True
self.web_view.IsScriptNotifyAllowed = True
self.web_view.IsPrivateNetworkClientServerCapabilityEnabled = True
self.web_view.DefaultBackgroundColor = form.BackColor
self.web_view.ScriptNotify += self.on_script_notify
self.web_view.NewWindowRequested += self.on_new_window_request
self.web_view.NavigationCompleted += self.on_navigation_completed
# This must be before loading URL. Otherwise the webview will remain empty
life.EndInit()
self.temp_html = None
self.url = None
_allow_localhost()
if window.url:
self.load_url(window.url)
elif window.html:
self.load_html(window.html, '')
else:
self.load_html(default_html, '')
def evaluate_js(self, script):
try:
result = self.web_view.InvokeScript('eval', (script, ))
except Exception as e:
logger.exception('Error occurred in script')
result = None
self.js_result = None if result is None or result == '' else json.loads(
result)
self.js_result_semaphore.release()
def get_current_url(self):
return self.url
def load_html(self, html, base_uri):
file_name = '%s.html' % uuid4().hex
self.temp_html = os.path.join(WinForms.Application.StartupPath,
file_name)
with open(self.temp_html, 'w') as f:
f.write(inject_base_uri(html, base_uri))
self.web_view.NavigateToLocal(file_name)
def load_url(self, url):
self.temp_html = None
# WebViewControl as of 5.1.1 crashes on file:// urls. Stupid workaround to make it work
if url.startswith('file://'):
path = url.replace('file://', '')
if not os.path.exists(path):
raise WebViewException('File %s does not exist' % path)
with open(path) as f:
html = f.read()
self.load_html(html,
'file://' + os.path.dirname(path) + '\\')
else:
self.web_view.Navigate(url)
def on_script_notify(self, _, args):
func_name, func_param = json.loads(args.Value)
if func_name == 'alert':
WinForms.MessageBox.Show(func_param)
elif func_name == 'console':
print(func_param)
else:
js_bridge_call(self.pywebview_window, func_name, func_param)
def on_new_window_request(self, _, args):
webbrowser.open(str(args.get_Uri()))
args.set_Handled(True)
def on_navigation_completed(self, _, args):
try:
if self.temp_html and os.path.exists(self.temp_html):
os.remove(self.temp_html)
self.temp_html = None
except Exception as e:
logger.exception('Failed deleting %s' % self.temp_html)
url = str(args.Uri)
self.url = None if url.startswith('ms-local-stream:') else url
self.web_view.InvokeScript('eval', (
'window.alert = (msg) => window.external.notify(JSON.stringify(["alert", msg+""]))',
))
if _debug:
self.web_view.InvokeScript('eval', (
'window.console = { log: (msg) => window.external.notify(JSON.stringify(["console", msg+""]))}',
))
self.web_view.InvokeScript(
'eval',
(parse_api_js(self.pywebview_window.js_api, 'edgehtml'), ))
if not self.pywebview_window.text_select:
self.web_view.InvokeScript('eval', (disable_text_select, ))
self.pywebview_window.loaded.set()