updateTyping method

void updateTyping()

Keeps ChatService.keepTyping subscription, if message field is not empty, or cancels it otherwise.

Implementation

void updateTyping() {
  final bool sendIsEmpty = send.field.text.isEmpty;
  final bool? editIsEmpty = edit.value?.field.text.isEmpty;

  if (editIsEmpty ?? sendIsEmpty) {
    _stopTyping();
  } else {
    _keepTyping();
  }
}