Avoid cloning events if no listeners need to be called.
Avoid cloning events if no listeners need to be called.

yurydelendik/shumway,tschneidereit/shumway,tschneidereit/shumway,mbebenita/shumway,mbebenita/shumway,mbebenita/shumway,mozilla/shumway,tschneidereit/shumway,yurydelendik/shumway,tschneidereit/shumway,mbebenita/shumway,tschneidereit/shumway,yurydelendik/shumway,mbebenita/shumway,mbebenita/shumway,yurydelendik/shumway,yurydelendik/shumway,mozilla/shumway,mozilla/shumway,tschneidereit/shumway,mozilla/shumway,mbebenita/shumway,tschneidereit/shumway,tschneidereit/shumway,yurydelendik/shumway,mbebenita/shumway,mozilla/shumway,mozilla/shumway,yurydelendik/shumway,mozilla/shumway,mozilla/shumway,yurydelendik/shumway