void ScriptCore::UIT_Evaluate(CefRefPtr<CefBrowser> browser, CefString script)
{
CefRefPtr<CefFrame> mainFrame;
if (TryGetMainFrame(browser, mainFrame))
{
CefRefPtr<CefV8Context> context = mainFrame->GetV8Context();
if (context.get() && context->Enter())
{
CefRefPtr<CefV8Value> result;
CefRefPtr<CefV8Exception> exception;
bool success = context->Eval(script, result, exception);
if (success)
{
try
{
_result = convertFromCef(result);
}
catch (Exception^ ex)
{
_exceptionMessage = ex->Message;
}
}
else if (exception.get())
{
_exceptionMessage = toClr(exception->GetMessage());
}
else
{
_exceptionMessage = "Failed to evaluate script";
}
context->Exit();
}
bool FUnrealCEFSubProcessRemoteObject::ExecuteMethod(const CefString& MethodName, CefRefPtr<CefV8Value> Object, const CefV8ValueList& Arguments, CefRefPtr<CefV8Value>& Retval, CefString& InException)
{
CefRefPtr<CefV8Context> Context = CefV8Context::GetCurrentContext();
CefRefPtr<CefV8Exception> Exception;
CefRefPtr<CefV8Value> PromiseObjects;
// Run JS code that creates and unwraps a Promise object
if (!Context->Eval(
"(function() " \
"{ "
" var Accept, Reject, PromiseObject;" \
" PromiseObject = new Promise(function(InAccept, InReject) " \
" {"
" Accept = InAccept;" \
" Reject = InReject;" \
" });" \
" return [PromiseObject, Accept, Reject];" \
"})()" , PromiseObjects, Exception))
{
InException = Exception->GetMessage();
return false;
}
if (!(PromiseObjects.get() && PromiseObjects->IsArray() && PromiseObjects->GetArrayLength() == 3))
{
return false;
}
Retval = PromiseObjects->GetValue(0);
CefRefPtr<CefV8Value> Accept = PromiseObjects->GetValue(1);
CefRefPtr<CefV8Value> Reject = PromiseObjects->GetValue(2);
check(Retval->IsObject());
check(Accept->IsFunction());
check(Reject->IsFunction());
FGuid CallbackGuid = RemoteScripting->CallbackRegistry.FindOrAdd(Context, Retval, Accept, Reject, true);
CefRefPtr<CefProcessMessage> Message = CefProcessMessage::Create("UE::ExecuteUObjectMethod");
CefRefPtr<CefListValue> MessageArguments = Message->GetArgumentList();
MessageArguments->SetString(0, CefString(*ObjectId.ToString(EGuidFormats::Digits)));
MessageArguments->SetString(1, MethodName);
MessageArguments->SetString(2, CefString(*CallbackGuid.ToString(EGuidFormats::Digits)));
MessageArguments->SetList(3, RemoteScripting->V8ArrayToCef(Arguments));
Browser->SendProcessMessage(PID_BROWSER, Message);
return true;
}
