C++ (Cpp) DOMWindow::isLocalDOMWindow示例

static bool securityCheck(v8::Local<v8::Object> host)
{
    v8::Isolate* isolate = v8::Isolate::GetCurrent();
    v8::Local<v8::Object> window = V8Window::findInstanceInPrototypeChain(host, isolate);
    if (window.IsEmpty())
        return false; // the frame is gone.

    DOMWindow* targetWindow = V8Window::toImpl(window);
    ASSERT(targetWindow);
    if (!targetWindow->isLocalDOMWindow())
        return false;

    LocalFrame* target = toLocalDOMWindow(targetWindow)->frame();
    if (!target)
        return false;

    // Notify the loader's client if the initial document has been accessed.
    if (target->loader().stateMachine()->isDisplayingInitialEmptyDocument())
        target->loader().didAccessInitialDocument();

    return BindingSecurity::shouldAllowAccessToFrame(isolate, target, DoNotReportSecurityError);
}