fix: reverse play

Signed-off-by: bggRGjQaUbCoE <githubaccount56556@proton.me>

lib/pages/video/detail/introduction/widgets/page.dart

@@ -1,6 +1,7 @@
 import 'dart:async';
 import 'dart:math';
 
+import 'package:PiliPalaX/pages/video/detail/introduction/controller.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
 import 'package:PiliPalaX/models/video_detail_res.dart';
@@ -11,19 +12,17 @@ import '../../../../../utils/id_utils.dart';
 class PagesPanel extends StatefulWidget {
   const PagesPanel({
     super.key,
-    required this.cid,
     required this.bvid,
     required this.changeFuc,
     required this.heroTag,
     required this.showEpisodes,
-    required this.videoDetailData,
+    required this.videoIntroController,
   });
-  final int cid;
   final String bvid;
   final Function changeFuc;
   final String heroTag;
   final Function showEpisodes;
-  final VideoDetailData videoDetailData;
+  final VideoIntroController videoIntroController;
 
   @override
   State<PagesPanel> createState() => _PagesPanelState();
@@ -36,19 +35,20 @@ class _PagesPanelState extends State<PagesPanel> {
   final ScrollController _scrollController = ScrollController();
   StreamSubscription? _listener;
 
+  List<Part> get pages => widget.videoIntroController.videoDetail.value.pages!;
+
   @override
   void initState() {
     super.initState();
-    cid = widget.cid;
+    cid = widget.videoIntroController.lastPlayCid.value;
     _videoDetailController =
         Get.find<VideoDetailController>(tag: widget.heroTag);
-    pageIndex =
-        widget.videoDetailData.pages!.indexWhere((Part e) => e.cid == cid);
+    pageIndex = pages.indexWhere((Part e) => e.cid == cid);
     _listener = _videoDetailController.cid.listen((int cid) {
       this.cid = cid;
-      pageIndex = max(0,
-          widget.videoDetailData.pages!.indexWhere((Part e) => e.cid == cid));
+      pageIndex = max(0, pages.indexWhere((Part e) => e.cid == cid));
       if (!mounted) return;
+      setState(() {});
       const double itemWidth = 150; // 每个列表项的宽度
       final double targetOffset = min((pageIndex * itemWidth) - (itemWidth / 2),
           _scrollController.position.maxScrollExtent);
@@ -73,14 +73,14 @@ class _PagesPanelState extends State<PagesPanel> {
     return Column(
       children: <Widget>[
         Padding(
-          padding: const EdgeInsets.only(top: 10, bottom: 2),
+          padding: const EdgeInsets.only(top: 8, bottom: 2),
           child: Row(
             mainAxisAlignment: MainAxisAlignment.spaceBetween,
             children: [
               const Text('视频选集 '),
               Expanded(
                 child: Text(
-                  ' 正在播放：${widget.videoDetailData.pages![pageIndex].pagePart}',
+                  ' 正在播放：${pages[pageIndex].pagePart}',
                   overflow: TextOverflow.ellipsis,
                   style: TextStyle(
                     fontSize: 12,
@@ -98,13 +98,13 @@ class _PagesPanelState extends State<PagesPanel> {
                   onPressed: () => widget.showEpisodes(
                     null,
                     null,
-                    widget.videoDetailData.pages!,
+                    pages,
                     widget.bvid,
                     IdUtils.bv2av(widget.bvid),
                     cid,
                   ),
                   child: Text(
-                    '共${widget.videoDetailData.pages!.length}集',
+                    '共${pages.length}集',
                     style: const TextStyle(fontSize: 13),
                   ),
                 ),
@@ -112,20 +112,19 @@ class _PagesPanelState extends State<PagesPanel> {
             ],
           ),
         ),
-        Container(
+        SizedBox(
           height: 35,
-          margin: const EdgeInsets.only(bottom: 8),
           child: ListView.builder(
             controller: _scrollController,
             scrollDirection: Axis.horizontal,
-            itemCount: widget.videoDetailData.pages!.length,
+            itemCount: pages.length,
             itemExtent: 150,
             itemBuilder: (BuildContext context, int i) {
               bool isCurrentIndex = pageIndex == i;
               return Container(
                 width: 150,
                 margin: EdgeInsets.only(
-                  right: i != widget.videoDetailData.pages!.length - 1 ? 10 : 0,
+                  right: i != pages.length - 1 ? 10 : 0,
                 ),
                 child: Material(
                   color: Theme.of(context).colorScheme.onInverseSurface,
@@ -136,7 +135,7 @@ class _PagesPanelState extends State<PagesPanel> {
                       widget.changeFuc(
                         null,
                         widget.bvid,
-                        widget.videoDetailData.pages![i].cid,
+                        pages[i].cid,
                         IdUtils.bv2av(widget.bvid),
                         null,
                       )
@@ -157,7 +156,7 @@ class _PagesPanelState extends State<PagesPanel> {
                           ],
                           Expanded(
                               child: Text(
-                            widget.videoDetailData.pages![i].pagePart!,
+                            pages[i].pagePart!,
                             maxLines: 1,
                             style: TextStyle(
                                 fontSize: 13,