xueguang_flutter_app/lib/pages/teacher/room/widgets/student_item.dart

import 'package:agora_rtc_engine/agora_rtc_engine.dart';
import 'package:app/pages/teacher/room/viewmodel/type.dart';
import 'package:app/request/dto/room/room_user_dto.dart';
import 'package:app/widgets/room/file_drawer.dart';
import 'package:app/widgets/room/other_widget.dart';
import 'package:app/widgets/room/video_surface.dart';
import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import 'package:remixicon/remixicon.dart';

import '../viewmodel/tch_room_vm.dart';

class StudentItem extends StatefulWidget {
  final RoomUserDto user;
  final RtcEngine? engine;

  const StudentItem({
    super.key,
    required this.user,
    this.engine,
  });

  @override
  State<StudentItem> createState() => _StudentItemState();
}

class _StudentItemState extends State<StudentItem> {
  ///打开文件列表
  void _openFileList() {
    showFileDialog(
      context,
      isUpload: false,
      files: widget.user.filesList,
    );
  }

  @override
  Widget build(BuildContext context) {
    final vm = context.read<TchRoomVM>();
    //摄像头是否开启
    bool isCameraOpen = widget.user.cameraStatus == 1;

    ///麦克风是否开启
    bool isMicOpen = widget.user.microphoneStatus == 1;

    ///声音是否开启
    bool isSpeakerOpen = widget.user.speekerStatus == 1;
    return ClipRRect(
      borderRadius: BorderRadius.circular(10),
      child: Container(
        color: Color(0xFF404649),
        child: Column(
          children: [
            Expanded(
              child: SizedBox(
                width: double.infinity,
                child: Stack(
                  alignment: Alignment.bottomCenter,
                  children: [
                    if (widget.engine != null)
                      VideoSurface(
                        user: widget.user,
                        child: AgoraVideoView(
                          controller: VideoViewController(
                            rtcEngine: widget.engine!,
                            canvas: VideoCanvas(uid: widget.user.rtcUid),
                          ),
                        ),
                      ),
                    Positioned(
                      bottom: 0,
                      left: 0,
                      right: 0,
                      child: Container(
                        padding: EdgeInsets.symmetric(horizontal: 10, vertical: 8),
                        decoration: BoxDecoration(
                          gradient: LinearGradient(
                            colors: [Color(0x0b050505), Color(0x54050505)],
                            begin: Alignment.topCenter,
                            end: Alignment.bottomCenter,
                          ),
                        ),
                        child: Text(
                          widget.user.userName,
                          style: TextStyle(color: Colors.white, fontSize: 14),
                        ),
                      ),
                    ),

                    ///右上角选中
                    if (widget.user.userId != vm.activeSId)
                      Positioned(
                        right: 5,
                        top: 5,
                        child: InkWell(
                          onTap: () {
                            vm.selectStudent(widget.user.userId);
                          },
                          child: Container(
                            width: 25,
                            height: 25,
                            alignment: Alignment.center,
                            decoration: BoxDecoration(
                              color: Colors.black12,
                              borderRadius: BorderRadius.circular(5),
                            ),
                            child: Icon(RemixIcons.fullscreen_line, color: Colors.white),
                          ),
                        ),
                      ),

                    ///举手
                    if (widget.user.handup == 1)
                      Positioned(
                        bottom: 40,
                        child: HandRaiseButton(
                          onTap: () {
                            vm.clearHandUp(widget.user.userId);
                          },
                        ),
                      ),
                  ],
                ),
              ),
            ),
            ColoredBox(
              color: Color(0xFF232426),
              child: Row(
                spacing: 1,
                children: [
                  _actionItem(
                    icon: isCameraOpen ? RemixIcons.video_on_fill : RemixIcons.video_off_fill,
                    isActive: isCameraOpen,
                    onTap: () {
                      vm.closeStudentAction(
                        uId: widget.user.userId,
                        action: StudentAction.camera,
                      );
                    },
                  ),
                  _actionItem(
                    icon: isMicOpen ? RemixIcons.mic_fill : RemixIcons.mic_off_fill,
                    isActive: isMicOpen,
                    onTap: () {
                      vm.closeStudentAction(
                        uId: widget.user.userId,
                        action: StudentAction.microphone,
                      );
                    },
                  ),
                  _actionItem(
                    icon: isSpeakerOpen
                        ? RemixIcons.volume_up_fill
                        : RemixIcons.volume_mute_fill,
                    isActive: isSpeakerOpen,
                    onTap: () {
                      vm.closeStudentAction(
                        uId: widget.user.userId,
                        action: StudentAction.speaker,
                      );
                    },
                  ),
                  _actionItem(icon: RemixIcons.file_list_3_fill, onTap: _openFileList),
                ],
              ),
            ),
          ],
        ),
      ),
    );
  }

  ///
  Widget _actionItem({
    required IconData icon,
    bool isActive = true,
    void Function()? onTap,
  }) {
    Color offColor = Color(0xFFE75B61);
    return Expanded(
      child: Container(
        height: 50,
        color: isActive ? null : offColor.withValues(alpha: 0.3),
        child: IconButton(
          onPressed: onTap,
          icon: Icon(
            icon,
            color: isActive ? Colors.white : offColor,
            size: 20,
          ),
        ),
      ),
    );
  }
}