//public slots://    void emitWebEvent(const QString& data);//    void emitScriptEvent(const QString& data);////signals://    void webEventReceived(const QString& data);//    void scriptEventReceived(const QString& data);// var EventBridge;var WebChannel; openEventBridge = function(callback) {    WebChannel = new QWebChannel(qt.webChannelTransport, function (channel) {        EventBridge = WebChannel.objects.eventBridge;        callback(EventBridge);    });}