liangchengyou / wow_english

  import 'package:flutter/material.dart';

  import 'package:flutter_bloc/flutter_bloc.dart';

  import 'package:wow_english/pages/section/subsection/base_section/state.dart';

  import 'package:wow_english/pages/video/lookvideo/bloc/look_video_bloc.dart';

  import 'package:wow_english/pages/video/lookvideo/widgets/video_widget.dart';

  import 'package:wow_english/utils/log_util.dart';

  class LookVideoPage extends StatelessWidget {
    const LookVideoPage(

        {super.key,
        this.videoUrl,
        this.typeTitle,
        this.courseLessonId,
        this.isTopic = false});

    ///暂时不删，留着以后扩展。目前的逻辑是null，进入后请求课程数据

    final String? videoUrl;

    final String? typeTitle;

    final String? courseLessonId;

    final bool isTopic;

  
    @override

    Widget build(BuildContext context) {

      return BlocProvider(

        create: (BuildContext context) =>
            LookVideoBloc(videoUrl, typeTitle, courseLessonId, isTopic)
              ..add(RequestDataEvent()),

        child: Builder(builder: (context) => _buildPage(context)),

      );
    }

  }
  
  Widget _buildPage(BuildContext context) {

    return BlocBuilder<LookVideoBloc, BaseSectionState>(
        builder: (context, state) {
      final bloc = BlocProvider.of<LookVideoBloc>(context);
      Log.d("WQF lookvideo BlocBuilder bloc.videoUr=${bloc.videoUrl}");
      return Center(
        child: bloc.videoUrl?.isNotEmpty == true
            ? Container(
                color: Colors.white,
                child: VideoWidget(
                  videoUrl: bloc.videoUrl ?? '',
                  typeTitle: bloc.typeTitle ?? '',
                  courseLessonId: bloc.courseLessonId ?? '',
                  isTopic: bloc.isTopic,
                ))
            //todo 空了需要抽一个通用的loading组件
            : Container(
                color: Colors.white,
                child: const CircularProgressIndicator(),
              ),
      );
    });

  }