fix: reverse play

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

lib/common/widgets/list_sheet.dart

@@ -64,6 +64,10 @@ class _ListSheetContentState extends State<ListSheetContent>
   @override
   void didUpdateWidget(ListSheetContent oldWidget) {
     super.didUpdateWidget(oldWidget);
+    if (widget.showTitle != false) {
+      return;
+    }
+
     int currentIndex = _currentIndex;
 
     void jumpToCurrent() {
@@ -97,7 +101,7 @@ class _ListSheetContentState extends State<ListSheetContent>
   void initState() {
     super.initState();
     if (_isList) {
-      _indexStream ??= StreamController<int>();
+      _indexStream ??= StreamController<int>.broadcast();
       _ctr = TabController(
         vsync: this,
         length: widget.season.sections.length,
@@ -358,29 +362,22 @@ class _ListSheetContentState extends State<ListSheetContent>
                   },
                 ),
                 if (widget.season != null)
-                  _mediumButton(
-                    tooltip: '倒序播放',
-                    icon: Icons.u_turn_right,
-                    onPressed: () async {
-                      // jump to current
-                      if (_ctr != null && _ctr?.index != (_index)) {
-                        _ctr?.animateTo(_index);
-                        await Future.delayed(const Duration(milliseconds: 225));
-                      }
-                      try {
-                        itemScrollController[_ctr?.index ?? 0].scrollTo(
-                          index: currentIndex,
-                          duration: const Duration(milliseconds: 200),
-                        );
-                      } catch (_) {}
-
-                      widget.onReverse?.call();
-                    },
-                  ),
+                  if (!_isList)
+                    _reverseButton
+                  else
+                    StreamBuilder(
+                      stream: _indexStream?.stream,
+                      initialData: _index,
+                      builder: (context, snapshot) {
+                        return snapshot.data == _index
+                            ? _reverseButton
+                            : const SizedBox.shrink();
+                      },
+                    ),
                 const Spacer(),
                 StreamBuilder(
                   stream: _indexStream?.stream,
-                  initialData: 0,
+                  initialData: _index,
                   builder: (context, snapshot) => _mediumButton(
                     tooltip: reverse[snapshot.data] ? '正序' : '反序',
                     icon: !reverse[snapshot.data]
@@ -436,6 +433,28 @@ class _ListSheetContentState extends State<ListSheetContent>
     );
   }
 
+  Widget get _reverseButton => _mediumButton(
+        tooltip: '倒序播放',
+        icon: Icons.u_turn_right,
+        onPressed: () async {
+          if (widget.showTitle == false) {
+            // jump to current
+            if (_ctr != null && _ctr?.index != (_index)) {
+              _ctr?.animateTo(_index);
+              await Future.delayed(const Duration(milliseconds: 225));
+            }
+            try {
+              itemScrollController[_ctr?.index ?? 0].scrollTo(
+                index: currentIndex,
+                duration: const Duration(milliseconds: 200),
+              );
+            } catch (_) {}
+          }
+
+          widget.onReverse?.call();
+        },
+      );
+
   Widget _mediumButton({
     String? tooltip,
     IconData? icon,

lib/pages/bangumi/widgets/bangumi_panel.dart

@@ -127,7 +127,6 @@ class _BangumiPanelState extends State<BangumiPanel> {
                     widget.pages[currentIndex].bvid,
                     widget.pages[currentIndex].aid,
                     cid,
-                    null,
                   ),
                   child: Text(
                     widget.newEp?['desc']?.contains('连载') == true

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

@@ -102,7 +102,6 @@ class _PagesPanelState extends State<PagesPanel> {
                     widget.bvid,
                     IdUtils.bv2av(widget.bvid),
                     cid,
-                    null,
                   ),
                   child: Text(
                     '共${widget.pages.length}集',

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

@@ -29,7 +29,7 @@ class SeasonPanel extends StatefulWidget {
 }
 
 class _SeasonPanelState extends State<SeasonPanel> {
-  int currentIndex = 0;
+  RxInt currentIndex = 0.obs;
   late VideoDetailController _videoDetailController;
   StreamSubscription? _listener;
   List<EpisodeItem> episodes = <EpisodeItem>[];
@@ -52,7 +52,7 @@ class _SeasonPanelState extends State<SeasonPanel> {
     // episodes = widget.ugcSeason.sections!
     //     .firstWhere((e) => e.seasonId == widget.ugcSeason.id)
     //     .episodes;
-    currentIndex = episodes.indexWhere(
+    currentIndex.value = episodes.indexWhere(
         (EpisodeItem e) => e.cid == _videoDetailController.seasonCid);
     _listener = _videoDetailController.cid.listen((int p0) {
       if (widget.pages != null && widget.pages!.length != 1) {
@@ -61,10 +61,9 @@ class _SeasonPanelState extends State<SeasonPanel> {
       }
       _videoDetailController.seasonCid = p0;
       _findEpisode();
-      currentIndex = episodes.indexWhere(
+      currentIndex.value = episodes.indexWhere(
           (EpisodeItem e) => e.cid == _videoDetailController.seasonCid);
       if (!mounted) return;
-      setState(() {});
     });
   }
 
@@ -112,11 +111,6 @@ class _SeasonPanelState extends State<SeasonPanel> {
                       _videoDetailController.bvid,
                       null,
                       _videoDetailController.seasonCid,
-                      () {
-                        setState(() {
-                          currentIndex = episodes.length - 1 - currentIndex;
-                        });
-                      },
                     ),
             child: Padding(
               padding: const EdgeInsets.fromLTRB(8, 12, 8, 12),
@@ -137,11 +131,13 @@ class _SeasonPanelState extends State<SeasonPanel> {
                     semanticLabel: "正在播放：",
                   ),
                   const SizedBox(width: 10),
-                  Text(
-                    '${currentIndex + 1}/${episodes.length}',
-                    style: Theme.of(context).textTheme.labelMedium,
-                    semanticsLabel:
-                        '第${currentIndex + 1}集，共${episodes.length}集',
+                  Obx(
+                    () => Text(
+                      '${currentIndex.value + 1}/${episodes.length}',
+                      style: Theme.of(context).textTheme.labelMedium,
+                      semanticsLabel:
+                          '第${currentIndex.value + 1}集，共${episodes.length}集',
+                    ),
                   ),
                   const SizedBox(width: 6),
                   const Icon(

lib/pages/video/detail/view.dart

@@ -1577,7 +1577,7 @@ class _VideoDetailPageState extends State<VideoDetailPage>
     );
   }
 
-  showEpisodes(index, season, episodes, bvid, aid, cid, onReverse) {
+  showEpisodes(index, season, episodes, bvid, aid, cid) {
     Widget listSheetContent() => ListSheetContent(
           index: index,
           season: season,
@@ -1600,7 +1600,6 @@ class _VideoDetailPageState extends State<VideoDetailPage>
           onReverse: () {
             Get.back();
             onReversePlay();
-            onReverse();
           },
         );
     if (isFullScreen) {

lib/plugin/pl_player/view.dart

@@ -411,7 +411,6 @@ class _PLVideoPlayerState extends State<PLVideoPlayer>
               bvid,
               IdUtils.bv2av(bvid),
               currentCid,
-              null,
             );
           },
         ),