handleScroll method

Implementation

void handleScroll() {
  if (!mounted) {
    return;
  }

  if (widget.throttle != null) {
    final now = DateTime.now();
    final elapsed = _lastTime?.difference(now).inMilliseconds.abs();

    if (elapsed != null && elapsed < widget.throttle!.inMilliseconds) {
      return;
    }
    _lastTime = now;
  }

  _checkReachEdge();
  scrollController.onMetricsUpdate();
}