notifyDisconnected method

Implementation

void notifyDisconnected() {
  if (!connectivity.isOnline) {
    emitImStatus(ImConnStatus.networkOffline);
  } else if (ws.isReconnectPending || ws.isConnecting) {
    emitImStatus(ImConnStatus.reconnecting);
  } else {
    emitImStatus(ImConnStatus.disconnected);
  }
}