mchess-client/lib/connection_cubit/connection_cubit.dart

import 'package:flutter_bloc/flutter_bloc.dart';

import '../connection/ws_connection.dart';

class ConnectionCubit extends Cubit<ConnectionCubitState> {
  static final ConnectionCubit _instance = ConnectionCubit._internal();

  ConnectionCubit._internal() : super(ConnectionCubitState.init());

  factory ConnectionCubit.getInstance() {
    return ConnectionCubit();
  }

  factory ConnectionCubit() {
    return _instance;
  }

  void connect(String? passphrase) {
    ServerConnection.getInstance().connect(passphrase);
  }

  void opponentConnected() {
    emit(ConnectionCubitState(true));
  }
}

class ConnectionCubitState {
  final bool opponentConnected;

  ConnectionCubitState(this.opponentConnected);

  factory ConnectionCubitState.init() {
    return ConnectionCubitState(false);
  }
}