How to detect the scrollpanel is still scrolling or not in GWT?

Hi Team,

        I need checkpoint to detect the scrollpanel is still scrolling or not. I am sending the server request while scrolling the scroll bar with the delay of 100 milliseconds.

I meant, every 100 milliseconds i am sending the request to server while scrolling. This is fine when i do scroll slowly in the grid. But, when I drag from page top to bottom

I could see there are multiple request is going to server. I want to know is there any flag to delete the long scroll. Please find the code

@Override

        public void onScroll(final ScrollEvent scrollEvent)

        {

        int delay = 100;

super.onScroll(scrollEvent, delay);

        }

I am using GWT class com.google.gwt.dom.client.BrowserEvents.ScrollEvent. I need below kind of logic

@Override

        public void onScroll(final ScrollEvent scrollEvent)

        {

        int delay = 100;

if(stillScollbarScrolling) { //Need boolean flag 

return;

} else {

super.onScroll(scrollEvent, delay);

}

        }

Please help me..

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