onIdle method

Future<void> onIdle()

Implementation

Future<void> onIdle() {
  Completer c = Completer();
  if (_pendingCount == 0 && _queue.size == 0) {
    c.complete();
  } else {
    var existingResolve = _resolveIdle;
    _resolveIdle = () {
      existingResolve();
      c.complete();
    };
  }

  return c.future;
}