# Copyright (c) 2012-2014 The CEF Python authors. All rights reserved.
# License: New BSD License.
# Website: http://code.google.com/p/cefpython/
cdef public void V8FunctionHandler_Execute(
CefRefPtr[CefBrowser] cefBrowser,
CefRefPtr[CefFrame] cefFrame,
CefString& cefFunctionName,
CefRefPtr[CefListValue] cefFunctionArguments
) except * with gil:
cdef PyBrowser pyBrowser
cdef PyFrame pyFrame
cdef py_string functionName
cdef object function
cdef list functionArguments
cdef object returnValue
cdef py_string jsErrorMessage
try:
pyBrowser = GetPyBrowser(cefBrowser)
pyFrame = GetPyFrame(cefFrame)
functionName = CefToPyString(cefFunctionName)
Debug("V8FunctionHandler_Execute(): functionName=%s" % functionName)
jsBindings = pyBrowser.GetJavascriptBindings()
function = jsBindings.GetFunctionOrMethod(functionName)
if not function:
# The Renderer process already checks whether function
# name is valid before calling V8FunctionHandler_Execute(),
# but it is possible for the javascript bindings to change
# during execution, so it's possible for the Browser/Renderer
# bindings to be out of sync due to delay in process messaging.
jsErrorMessage = "V8FunctionHandler_Execute() FAILED: " \
"python function not found: %s" % functionName
Debug(jsErrorMessage)
# Raise a javascript exception in that frame.
pyFrame.ExecuteJavascript("throw '%s';" % jsErrorMessage)
return
functionArguments = CefListValueToPyList(cefBrowser,
cefFunctionArguments)
returnValue = function(*functionArguments)
if returnValue != None:
Debug("V8FunctionHandler_Execute() WARNING: function returned" \
"value, but returning values to javascript is not " \
"supported, functionName=%s" % functionName)
except:
(exc_type, exc_value, exc_trace) = sys.exc_info()
sys.excepthook(exc_type, exc_value, exc_trace)