app-starlock/lib/talk/startChart/handle/other/talk_data_repository.dart

import 'dart:async';

import 'package:star_lock/talk/startChart/proto/talk_data.pb.dart';

class TalkDataRepository {
  // 创建一个私有的构造函数，防止外部创建实例
  TalkDataRepository._();

  // 使用 _instance 来保存单例对象
  static final TalkDataRepository _instance = TalkDataRepository._();

  // 提供一个静态方法来获取单例实例
  static TalkDataRepository get instance => _instance;

  // 创建一个 StreamController
  final StreamController<TalkData> _talkDataStreamController = StreamController<TalkData>.broadcast();

  // 提供一个方法来获取 Stream
  Stream<TalkData> get talkDataStream => _talkDataStreamController.stream;

  // 提供一个方法来添加 TalkData 到 Stream
  void addTalkData(TalkData talkData) {
    _talkDataStreamController.add(talkData);
  }

  // 提供一个方法来关闭 StreamController
  void dispose() {
    _talkDataStreamController.close();
  }
}