# Copyright (c) 2012-2014 The CEF Python authors. All rights reserved. # License: New BSD License. # Website: http://code.google.com/p/cefpython/ cdef public cpp_bool V8FunctionHandler_Execute( CefRefPtr[CefV8Context] v8Context, int pythonCallbackId, CefString& cefFuncName, CefRefPtr[CefV8Value] cefObject, # receiver ('this' object) of the function. CefV8ValueList& v8Arguments, CefRefPtr[CefV8Value]& cefReturnValue, CefString& cefException ) except * with gil: cdef PyBrowser pyBrowser cdef PyFrame pyFrame cdef JavascriptBindings javascriptBindings cdef cpp_vector[CefRefPtr[CefV8Value]].iterator iterator cdef CefRefPtr[CefV8Value] cefValue cdef object pythonCallback cdef list arguments cdef str functionName cdef object pyReturnValue cdef object pyFunction cdef str objectName cdef str objectMethod try: if pythonCallbackId: pythonCallback = GetPythonCallback(pythonCallbackId) arguments = [] iterator = v8Arguments.begin() while iterator != v8Arguments.end(): cefValue = deref(iterator) arguments.append(V8ToPyValue(cefValue, v8Context)) preinc(iterator) pyReturnValue = pythonCallback(*arguments) # Can't use "arg = " for a referenced argument, bug in Cython, # see comment in RequestHandler_OnProtocolExecution() for # more details. cefReturnValue.swap(PyToV8Value(pyReturnValue, v8Context)) return True else: pyBrowser = GetPyBrowser(v8Context.get().GetBrowser()) pyFrame = GetPyFrame(v8Context.get().GetFrame()) functionName = CefToPyString(cefFuncName) javascriptBindings = pyBrowser.GetJavascriptBindings() if not javascriptBindings: return False if functionName.find(".") == -1: pyFunction = javascriptBindings.GetFunction(functionName) if not pyFunction: return False else: # functionName == "myobject.someMethod" (objectName, methodName) = functionName.split(".") pyFunction = javascriptBindings.GetObjectMethod(objectName, methodName) if not pyFunction: return False # GetBindToFrames/GetBindToPopups must also be checked in: # V8FunctionHandler_Execute() and OnContextCreated(), so that calling # a non-existent property on window object throws an error. if not pyFrame.IsMain() and not javascriptBindings.GetBindToFrames(): return False if pyBrowser.IsPopup() and not javascriptBindings.GetBindToPopups(): return False arguments = [] iterator = v8Arguments.begin() while iterator != v8Arguments.end(): cefValue = deref(iterator) arguments.append(V8ToPyValue(cefValue, v8Context)) preinc(iterator) pyReturnValue = pyFunction(*arguments) cefReturnValue.swap(PyToV8Value(pyReturnValue, v8Context)) return True except: (exc_type, exc_value, exc_trace) = sys.exc_info() sys.excepthook(exc_type, exc_value, exc_trace)