Add refresh support for task manager

lib/l10n/app_en.arb

@@ -192,5 +192,6 @@
     },
     "category": "Category",
     "uploader": "Uploader",
-    "dlUseAvgSpeed": "Show average speed in task details."
+    "dlUseAvgSpeed": "Show average speed in task details.",
+    "refresh": "Refresh"
 }

lib/l10n/app_zh.arb

@@ -192,5 +192,6 @@
     },
     "category": "分类",
     "uploader": "上传者",
-    "dlUseAvgSpeed": "在任务详情中显示平均速度。"
+    "dlUseAvgSpeed": "在任务详情中显示平均速度。",
+    "refresh": "刷新"
 }

lib/login.dart

@@ -26,7 +26,7 @@ Future<bool> login(String username, String password) async {
       password: password,
       setCookie: true,
       httpOnly: true,
-      secure: u.scheme == 'https',
+      secure: u.scheme == 'https' || u.host == "localhost",
       client: "flutter",
       device: await device,
       clientVersion: await clientVersion,

lib/task.dart

@@ -24,6 +24,8 @@ class TaskManager {
   late Timer _pingTimer;
   bool _inited = false;
   bool get inited => _inited;
+  bool _need_closed = false;
+  bool _wait_closed = false;
   void clear() {
     tasks.clear();
     _channel?.stream.drain();
@@ -191,16 +193,29 @@ class TaskManager {
         }
       }, onError: (e) {
         _log.warning("Task websocket error: $e");
-      }, onDone: () {
-        _log.warning(
-            "WenSocket closed: ${_channel?.closeCode} ${_channel?.closeReason}");
-        if (_allowReconnect) {
+        if (_allowReconnect && !_need_closed) {
           _log.info("Reconnecting to task server in 5 seconds");
           _reconnectTimer = Timer(const Duration(seconds: 5), () {
             _reconnectTimer = null;
             connect();
           });
         }
+        if (_wait_closed) {
+          _wait_closed = false;
+        }
+      }, onDone: () {
+        _log.warning(
+            "WenSocket closed: ${_channel?.closeCode} ${_channel?.closeReason}");
+        if (_allowReconnect && !_need_closed) {
+          _log.info("Reconnecting to task server in 5 seconds");
+          _reconnectTimer = Timer(const Duration(seconds: 5), () {
+            _reconnectTimer = null;
+            connect();
+          });
+        }
+        if (_wait_closed) {
+          _wait_closed = false;
+        }
       }, cancelOnError: true);
       await _channel!.ready;
       _closed = false;
@@ -246,4 +261,32 @@ class TaskManager {
       _pingTimer = timer;
     });
   }
+
+  FutureOr<bool> _waitClosed() {
+    if (!_wait_closed) return true;
+    return Future.delayed(const Duration(milliseconds: 10), _waitClosed);
+  }
+
+  Future<bool> waitClosed() {
+    return Future.microtask(_waitClosed);
+  }
+
+  Future<void> refresh() async {
+    if (_channel != null) {
+      _need_closed = true;
+      _wait_closed = true;
+      _channel!.sink.add("{\"type\":\"close\"}");
+      await waitClosed();
+    }
+    _channel?.sink.close();
+    _channel = null;
+    _closed = true;
+    if (_reconnectTimer != null) {
+      _reconnectTimer!.cancel();
+      _reconnectTimer = null;
+    }
+    tasks.clear();
+    listener.tryEmit("task_list_changed", null);
+    await connect();
+  }
 }

lib/task_manager.dart

@@ -1,5 +1,7 @@
 import 'dart:ui';
 import 'package:enum_flag/enum_flag.dart';
+import 'package:flutter/cupertino.dart';
+import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/widgets.dart';
 import 'package:flutter_gen/gen_l10n/app_localizations.dart';
@@ -7,6 +9,8 @@ import 'package:go_router/go_router.dart';
 import 'api/task.dart';
 import 'components/task.dart';
 import 'globals.dart';
+import 'platform/media_query.dart';
+import 'utils.dart';
 
 enum TaskStatusFilterFlag with EnumFlag {
   wait,
@@ -71,6 +75,8 @@ class TaskManagerPage extends StatefulWidget {
 class _TaskManagerPage extends State<TaskManagerPage>
     with ThemeModeWidget, IsTopWidget2 {
   late TaskStatusFilter _filter;
+  final GlobalKey<RefreshIndicatorState> _refreshIndicatorKey =
+      GlobalKey<RefreshIndicatorState>();
   @override
   void initState() {
     _filter = TaskStatusFilter();
@@ -177,6 +183,7 @@ class _TaskManagerPage extends State<TaskManagerPage>
   Widget _buildView(BuildContext context) {
     final i18n = AppLocalizations.of(context)!;
     return CustomScrollView(
+      physics: const AlwaysScrollableScrollPhysics(),
       slivers: <Widget>[
         SliverAppBar(
           leading: IconButton(
@@ -216,6 +223,25 @@ class _TaskManagerPage extends State<TaskManagerPage>
         });
   }
 
+  Widget _buildRefreshIcon(BuildContext context) {
+    final i18n = AppLocalizations.of(context)!;
+    return IconButton(
+        onPressed: () {
+          _refreshIndicatorKey.currentState?.show();
+        },
+        tooltip: i18n.refresh,
+        icon: const Icon(Icons.refresh));
+  }
+
+  Widget _buildIconList(BuildContext context) {
+    return Row(children: [
+      isDesktop || (kIsWeb && pointerIsMouse)
+          ? _buildRefreshIcon(context)
+          : Container(),
+      _buildAddMenu(context),
+    ]);
+  }
+
   @override
   Widget build(BuildContext context) {
     if (!tryInitApi(context)) {
@@ -229,11 +255,16 @@ class _TaskManagerPage extends State<TaskManagerPage>
     return Scaffold(
       body: Stack(
         children: <Widget>[
-          _buildView(context),
+          RefreshIndicator(
+              key: _refreshIndicatorKey,
+              onRefresh: () async {
+                return await tasks.refresh();
+              },
+              child: _buildView(context)),
           Positioned(
               bottom: size.height / 10,
               right: size.width / 10,
-              child: _buildAddMenu(context))
+              child: _buildIconList(context))
         ],
       ),
     );