close method

@override Future<bool> close()

Attempts to close the modal.

Returns a future that completes with true if it succeeds.

Implementation

@override
Future<bool> close() {
  if (_pendingClose == null) {
    final controller = AsyncActionController<dynamic>();
    controller.execute(_hideModalOverlay);
    _pendingClose = controller.action.onDone.then((completed) {
      _pendingClose = null;
      return completed;
    });
    _onClose.add(controller.action);
  }
  return _pendingClose!;
}