didUpdateScrollMetrics method

void didUpdateScrollMetrics()

Dispatches a notification that the ScrollMetrics have changed.

Implementation

void didUpdateScrollMetrics() {
  assert(SchedulerBinding.instance.schedulerPhase != SchedulerPhase.persistentCallbacks);
  assert(_haveScheduledUpdateNotification);
  _haveScheduledUpdateNotification = false;
  if (context.notificationContext != null) {
    ScrollMetricsNotification(
      metrics: copyWith(),
      context: context.notificationContext!,
    ).dispatch(context.notificationContext);
  }
}