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

import 'dart:async';
import 'package:star_lock/talk/starChart/handle/other/talk_data_model.dart';
import 'package:star_lock/talk/starChart/proto/talk_data.pb.dart';

class TalkDataRepository {
  TalkDataRepository._() {
    _talkDataStreamController = StreamController<TalkDataModel>.broadcast(
      onListen: () {
        _isListening = true;
      },
      onCancel: () {
        _isListening = false;
      },
      sync: false, // 改为同步模式以提高实时性
    );
  }

  static final TalkDataRepository _instance = TalkDataRepository._();

  static TalkDataRepository get instance => _instance;

  late final StreamController<TalkDataModel> _talkDataStreamController;
  bool _isListening = false;

  // 直接返回原始流，不做转换
  Stream<TalkDataModel> get talkDataStream => _talkDataStreamController.stream;

  void addTalkData(TalkDataModel talkData) {
    if (_isListening) {
      _talkDataStreamController.add(talkData);
    }
  }

  void dispose() {
    _talkDataStreamController.close();
  }
}