自习室优化ok

lib/widgets/room/board/board_dialog.dart

@@ -0,0 +1,73 @@
+import 'package:flutter/material.dart';
+import 'package:go_router/go_router.dart';
+import 'package:remixicon/remixicon.dart';
+import 'package:webview_flutter/webview_flutter.dart';
+
+
+class BoardDialog extends StatefulWidget {
+  final WebViewController controller;
+  const BoardDialog({super.key, required this.controller});
+
+  @override
+  State<BoardDialog> createState() => _BoardDialogState();
+}
+
+class _BoardDialogState extends State<BoardDialog> {
+  bool _loading = true;
+
+  @override
+  void initState() {
+    super.initState();
+
+    // 绑定加载事件
+    widget.controller.setNavigationDelegate(
+      NavigationDelegate(
+        onPageStarted: (_) {
+          setState(() => _loading = true);
+        },
+        onPageFinished: (_) {
+          setState(() => _loading = false);
+        },
+      ),
+    );
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      color: Colors.white,
+      padding: const EdgeInsets.all(16),
+      child: Column(
+        children: [
+          Row(
+            mainAxisAlignment: MainAxisAlignment.spaceBetween,
+            children: [
+              Text('白板', style: Theme.of(context).textTheme.titleSmall),
+              IconButton(
+                onPressed: () => context.pop(),
+                icon: const Icon(RemixIcons.close_circle_fill),
+              ),
+            ],
+          ),
+          Expanded(
+            child: Stack(
+              children: [
+                WebViewWidget(
+                  controller: widget.controller,
+                ),
+                if (_loading)
+                  Container(
+                    color: Colors.white,
+                    child: const Center(
+                      child: CircularProgressIndicator(),
+                    ),
+                  ),
+              ],
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+}
+

lib/widgets/room/board/board_manager.dart

@@ -0,0 +1,101 @@
+import 'package:app/global/config.dart';
+import 'package:app/request/api/room_api.dart';
+import 'package:app/request/dto/room/board_token_dto.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_easyloading/flutter_easyloading.dart';
+import 'package:webview_flutter/webview_flutter.dart';
+
+import 'board_dialog.dart';
+
+class BoardManager {
+  BoardManager._();
+
+  static final BoardManager _instance = BoardManager._();
+
+  factory BoardManager() => _instance;
+
+  WebViewController? _webViewController;
+  BoardTokenDto? _boardToken;
+
+  ///获取token
+  Future<void> _fetchToken(int roomId) async {
+    final now = DateTime.now();
+
+    if (_boardToken == null) {
+      EasyLoading.show(status: "开启白板中");
+      _boardToken = await getBoardTokenApi(roomId);
+    } else {
+      //离过期差多少小时
+      int remainSeconds = _boardToken!.expiresAt.difference(now).inSeconds;
+      // 剩余不足 2 小时 = 7200 秒
+      if (remainSeconds <= 7200) {
+        EasyLoading.show(status: "开启白板中");
+        _boardToken = await getBoardTokenApi(roomId);
+      }
+    }
+    EasyLoading.dismiss();
+  }
+
+  ///生成完整 URL
+  /// -[uid] 用户
+  /// -[roomId] 房间id
+  /// -[isTeacher] 是否是老师
+  Future<String> buildUrl({
+    required String uid,
+    required int roomId,
+    required bool isTeacher,
+  }) async {
+    await _fetchToken(roomId);
+
+    Map<String, dynamic> params = {
+      "appid": _boardToken!.whiteboardAppid,
+      "uid": uid,
+      "uuid": _boardToken!.whiteboardUuid,
+      "room_token": _boardToken!.whiteboardToken,
+      "write": isTeacher ? 1 : 0,
+    };
+    String paramStr = params.entries.map((e) => "${e.key}=${e.value}").join("&");
+
+    return "${Config.webUrl}/board?$paramStr";
+  }
+
+  /// 获取全局唯一 WebViewController
+  Future<WebViewController> getController(String url) async {
+    if (_webViewController != null) return _webViewController!;
+
+    _webViewController = WebViewController()
+      ..setJavaScriptMode(JavaScriptMode.unrestricted)
+      ..setNavigationDelegate(
+        // ⭐ 加上加载监听（BoardDialog 再 listen 一次也没关系）
+        NavigationDelegate(
+          onPageStarted: (_) {},
+          onPageFinished: (_) {},
+        ),
+      )
+      ..loadRequest(Uri.parse(url));
+
+    return _webViewController!;
+  }
+
+  ///打开白板
+  /// -[uid] 用户名+id
+  /// -[roomId] 房间id
+  /// -[isTeacher] 是否是老师
+  Future<void> showBoardDialog(
+    BuildContext context, {
+    required String uid,
+    required int roomId,
+    required bool isTeacher,
+  }) async {
+    String url = await buildUrl(
+      uid: uid,
+      roomId: roomId,
+      isTeacher: isTeacher,
+    );
+    final controller = await getController(url);
+    showDialog(
+      context: context,
+      builder: (_) => BoardDialog(controller: controller),
+    );
+  }
+}

lib/widgets/room/file_drawer.dart

@@ -1,6 +1,6 @@
 import 'dart:io';
 
-import 'package:app/config/theme/base/app_theme_ext.dart';
+import 'package:app/global/theme/base/app_theme_ext.dart';
 import 'package:app/utils/transfer/upload.dart';
 import 'package:app/widgets/base/actionSheet/action_sheet.dart';
 import 'package:app/widgets/base/actionSheet/type.dart';
@@ -150,7 +150,7 @@ class _FileDrawerState extends State<FileDrawer> {
           crossAxisAlignment: CrossAxisAlignment.start,
           children: [
             Text(
-              "${widget.name ?? ""}上传文件列表",
+              "${widget.name ?? ""}文件列表",
               style: Theme.of(context).textTheme.titleSmall,
             ),
             Expanded(

lib/widgets/room/other_widget.dart

@@ -1,7 +1,9 @@
 import 'package:flutter/material.dart';
 
+/// 举手按钮
 class HandRaiseButton extends StatelessWidget {
   final void Function() onTap;
+
   const HandRaiseButton({super.key, required this.onTap});
 
   @override
@@ -24,3 +26,41 @@ class HandRaiseButton extends StatelessWidget {
     );
   }
 }
+
+///topBar的操作按钮
+class ActionButton extends StatelessWidget {
+  final IconData icon;
+  final String text;
+  final Color? color;
+  final void Function()? onTap;
+
+  const ActionButton({
+    super.key,
+    required this.icon,
+    required this.text,
+    this.color,
+    this.onTap,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      padding: EdgeInsets.symmetric(horizontal: 10, vertical: 5),
+      margin: EdgeInsets.only(right: 15),
+      decoration: BoxDecoration(
+        color: color ?? Color(0xff4a4f4f),
+        borderRadius: BorderRadius.circular(8),
+      ),
+      child: InkWell(
+        onTap: onTap,
+        child: Row(
+          children: [
+            Icon(icon, size: 16),
+            SizedBox(width: 8),
+            Text(text, style: TextStyle(fontSize: 14)),
+          ],
+        ),
+      ),
+    );
+  }
+}