loadEventHandler method

void loadEventHandler()

Implementation

void loadEventHandler() {
  if (_offset == offsetBottomInScreen) {
    _offset = _element.getBoundingClientRect().height;
  } else if (_offset == offsetHalfBottomInScreen) {
    _offset = _element.getBoundingClientRect().height/2;
  }

  _onScrollSubs = document.documentElement!.onScroll.listen((event) {
    if ((_element.getBoundingClientRect().top + _offset) <= window.innerHeight) {
      _handler();
    }
  });
}