CEF 重写弹窗事件

bool CefHandlerImpl::OnBeforePopup(CefRefPtr<CefBrowser> browser,
                                    CefRefPtr<CefFrame> frame,
                                    const CefString& target_url,
                                    const CefString& target_frame_name,
                                    CefLifeSpanHandler::WindowOpenDisposition target_disposition,
                                    bool user_gesture,
                                    const CefPopupFeatures& popupFeatures,
                                    CefWindowInfo& windowInfo,
                                    CefRefPtr<CefClient>& client,
                                    CefBrowserSettings& settings,
                                    CefRefPtr<CefDictionaryValue>& extra_info,
                                    bool* no_javascript_access)
{
    switch (target_disposition)
    {
    case WOD_NEW_FOREGROUND_TAB:
    case WOD_NEW_BACKGROUND_TAB:
    case WOD_NEW_POPUP:
    case WOD_NEW_WINDOW:
        browser->GetMainFrame()->LoadURL(target_url);
        return true; //停止创建
    }

    return false;
}