本文整理汇总了C++中NativeWindow::IsClosed方法的典型用法代码示例。如果您正苦于以下问题:C++ NativeWindow::IsClosed方法的具体用法?C++ NativeWindow::IsClosed怎么用?C++ NativeWindow::IsClosed使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类NativeWindow
的用法示例。
在下文中一共展示了NativeWindow::IsClosed方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。
示例1:
// synchronously send a string from Node to browser, then return string result from browser to Node
Handle<Value> Window::SendSync(const Arguments& args) {
HandleScope scope;
NativeWindow *window = ObjectWrap::Unwrap<NativeWindow> (args.This());
if (!window->IsClosed()) {
// find browser's v8 context
CefRefPtr<CefV8Context> context = window->GetBrowser()->GetMainFrame()->GetV8Context();
// ensure it's usable and enter
if (context.get() && context->Enter()) {
// try to get "appjs.onmessage" function
CefRefPtr<CefV8Value> appjsObject = context->GetGlobal()->GetValue("appjs");
CefRefPtr<CefV8Value> callback = appjsObject->GetValue("onmessage");
if (callback.get()) {
// convert Node V8 string to Cef V8 string
CefV8ValueList argsOut;
argsOut.push_back(CefV8Value::CreateString(V8StringToChar(args[0]->ToString())));
// execute window.appjs fuction, passing in the string,
// then convert the return value from a CefValue to a Node V8 string
Handle<String> ret = CefStringToV8(callback->ExecuteFunction(appjsObject, argsOut)->GetStringValue());
// exit browser v8 context, return string result to Node caller
context->Exit();
return scope.Close(ret);
}
}
}
// likely error condition
return scope.Close(Undefined());
}