def _set_js_api(self):
def _register_window_object():
frame.addToJavaScriptWindowObject('external', self.js_bridge)
script = _parse_api_js(self.js_bridge.api)
if _qt_version >= [5, 5]:
qwebchannel_js = QtCore.QFile('://qtwebchannel/qwebchannel.js')
if qwebchannel_js.open(QtCore.QFile.ReadOnly):
source = bytes(qwebchannel_js.readAll()).decode('utf-8')
self.view.page().runJavaScript(source)
self.channel.registerObject('external', self.js_bridge)
qwebchannel_js.close()
elif _qt_version >= [5, 0]:
frame = self.view.page().mainFrame()
_register_window_object()
else:
frame = self.view.page().mainFrame()
_register_window_object()
try: # PyQt4
self.view.page().mainFrame().evaluateJavaScript(script)
except AttributeError: # PyQt5
self.view.page().runJavaScript(script)
self.load_event.set()
def on_document_completed(self, sender, args):
BrowserView.instance.load_event.set()
if self.first_load:
self.web_browser.Visible = True
self.first_load = False
if self.js_bridge.api:
document = self.web_browser.Document
document.InvokeScript('eval',
(_parse_api_js(self.js_bridge.api), ))
def create_bridge():
# Make the `call` method write the function name and param to the
# `status` attribute of the JS window, delimited by a unique token.
# The return value will be passed back to the `return_val` attribute
# of the bridge by the on_status_change handler.
code = """
window.pywebview._bridge.call = function(funcName, param) {{
window.status = "_{0}_" + funcName + "_{0}_" + param;
return this.return_val;
}};""".format(self.js_bridge.uid)
# Create the `pywebview` JS api object
self.webview.execute_script(_parse_api_js(self.js_bridge.api))
self.webview.execute_script(code)
self.load_event.set()
def _set_js_api(self):
script = _parse_api_js(self.js_bridge.api)
self.webkit.windowScriptObject().evaluateWebScript_(script)
pwv_obj = self.webkit.windowScriptObject().valueForKey_('pywebview')
pwv_obj.setValue_forKey_(self.js_bridge, '_bridge')