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)