import 'package:appframe/bloc/web_cubit.dart';
import 'package:appframe/services/dispatcher.dart';

class SetTitleHandler extends MessageHandler {
  late WebCubit? _webCubit;

  @override
  void setCubit(WebCubit cubit) {
    this._webCubit = cubit;
  }

  void _unfollowCubit() {
    this._webCubit = null;
  }

  @override
  Future<dynamic> handleMessage(params) async {
    if (params is! Map<String, dynamic>) {
      throw Exception('参数错误');
    }

    final String title = params['title'] as String;
    final bool showBack = params['showBack'] as bool;

    return _webCubit!.setTitle(title, showBack);
  }
}