# Copyright (c) 2012 CEF Python, see the Authors file.
# All rights reserved. Licensed under BSD 3-clause license.
# Project website: https://github.com/cztomczak/cefpython
include "../cefpython.pyx"
include "../browser.pyx"
include "../frame.pyx"
cdef public void V8FunctionHandler_Execute(
CefRefPtr[CefBrowser] cefBrowser,
int64 frameId,
CefString& cefFuncName,
CefRefPtr[CefListValue] cefFuncArgs
) except * with gil:
cdef PyBrowser pyBrowser
cdef CefRefPtr[CefFrame] cefFrame
cdef PyFrame pyFrame # may be None
cdef py_string funcName
cdef object func
cdef list funcArgs
cdef object returnValue
cdef py_string errorMessage
try:
pyBrowser = GetPyBrowser(cefBrowser, "V8FunctionHandler_Execute")
cefFrame = cefBrowser.get().GetFrame(frameId)
if cefFrame.get():
pyFrame = GetPyFrame(cefFrame)
else:
pyFrame = None
funcName = CefToPyString(cefFuncName)
Debug("V8FunctionHandler_Execute(): funcName=%s" % funcName)
jsBindings = pyBrowser.GetJavascriptBindings()
func = jsBindings.GetFunctionOrMethod(funcName)
if not func:
# 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.
errorMessage = "V8FunctionHandler_Execute() FAILED: " \
"python function not found: %s" % funcName
NonCriticalError(errorMessage)
# Raise a javascript exception in that frame if it still exists
if pyFrame:
pyFrame.ExecuteJavascript("throw '%s';" % errorMessage)
return
funcArgs = CefListValueToPyList(cefBrowser, cefFuncArgs)
func(*funcArgs)
except:
(exc_type, exc_value, exc_trace) = sys.exc_info()
sys.excepthook(exc_type, exc_value, exc_trace)