feat: season: reverse play #70

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

lib/common/widgets/list_sheet.dart

@@ -17,14 +17,16 @@ import '../../utils/utils.dart';
 class ListSheetContent extends StatefulWidget {
   const ListSheetContent({
     super.key,
-    this.index,
+    this.index, // tab index
     this.season,
-    required this.episodes,
+    this.episodes,
     this.bvid,
     this.aid,
     required this.currentCid,
     required this.changeFucCall,
     this.onClose,
+    this.onReverse,
+    this.showTitle,
   });
 
   final dynamic index;
@@ -35,6 +37,8 @@ class ListSheetContent extends StatefulWidget {
   final int currentCid;
   final Function changeFucCall;
   final VoidCallback? onClose;
+  final VoidCallback? onReverse;
+  final bool? showTitle;
 
   @override
   State<ListSheetContent> createState() => _ListSheetContentState();
@@ -47,10 +51,11 @@ class _ListSheetContentState extends State<ListSheetContent>
   late List<bool> reverse;
 
   int get _index => widget.index ?? 0;
-  bool get _isList =>
+  late final bool _isList = widget.season != null &&
-      widget.season != null &&
       widget.season?.sections is List &&
       widget.season.sections.length > 1;
+  dynamic get episodes =>
+      widget.episodes ?? widget.season?.sections[_index].episodes;
   TabController? _ctr;
   StreamController? _indexStream;
   int? _seasonFav;
@@ -59,11 +64,34 @@ class _ListSheetContentState extends State<ListSheetContent>
   @override
   void didUpdateWidget(ListSheetContent oldWidget) {
     super.didUpdateWidget(oldWidget);
-    currentIndex = _currentIndex;
+    int currentIndex = _currentIndex;
+
+    void jumpToCurrent() {
+      if (this.currentIndex != currentIndex) {
+        this.currentIndex = currentIndex;
+        try {
+          itemScrollController[_index].jumpTo(index: currentIndex);
+        } catch (_) {}
+      }
     }
 
-  int get _currentIndex =>
+    // jump to current
-      max(0, widget.episodes.indexWhere((e) => e.cid == widget.currentCid));
+    if (_ctr != null && widget.index != _ctr?.index) {
+      _ctr?.animateTo(_index);
+      Future.delayed(const Duration(milliseconds: 225)).then((_) {
+        jumpToCurrent();
+      });
+    } else {
+      jumpToCurrent();
+    }
+  }
+
+  int get _currentIndex => max(
+      0,
+      _isList
+          ? widget.season.sections[_ctr?.index].episodes
+              .indexWhere((e) => e.cid == widget.currentCid)
+          : episodes.indexWhere((e) => e.cid == widget.currentCid));
 
   @override
   void initState() {
@@ -150,6 +178,7 @@ class _ListSheetContentState extends State<ListSheetContent>
         }
         SmartDialog.showToast('切换到：$title');
         widget.onClose?.call();
+        currentIndex = index;
         widget.changeFucCall(
           episode is bangumi.EpisodeItem ? episode.epId : null,
           episode.runtimeType.toString() == "EpisodeItem"
@@ -242,11 +271,13 @@ class _ListSheetContentState extends State<ListSheetContent>
         children: [
           Container(
             height: 45,
-            padding: const EdgeInsets.only(left: 14, right: 14),
+            padding: EdgeInsets.symmetric(
+                horizontal: widget.showTitle != false ? 14 : 6),
             child: Row(
               children: [
+                if (widget.showTitle != false)
                   Text(
-                  '合集（${_isList ? widget.season.epCount : widget.episodes?.length ?? ''}）',
+                    '合集(${_isList ? widget.season.epCount : episodes?.length ?? ''})',
                     style: Theme.of(context).textTheme.titleMedium,
                   ),
                 StreamBuilder(
@@ -286,7 +317,7 @@ class _ListSheetContentState extends State<ListSheetContent>
                                 ? widget.season.sections[_ctr?.index].episodes
                                         .length -
                                     1
-                                : widget.episodes.length - 1,
+                                : episodes.length - 1,
                         duration: const Duration(milliseconds: 200),
                       );
                     } catch (_) {}
@@ -303,7 +334,7 @@ class _ListSheetContentState extends State<ListSheetContent>
                                 ? widget.season.sections[_ctr?.index].episodes
                                         .length -
                                     1
-                                : widget.episodes.length - 1
+                                : episodes.length - 1
                             : 0,
                         duration: const Duration(milliseconds: 200),
                       );
@@ -326,6 +357,33 @@ class _ListSheetContentState extends State<ListSheetContent>
                     } catch (_) {}
                   },
                 ),
+                if (widget.season != null)
+                  _mediumButton(
+                    tooltip: '倒叙播放',
+                    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();
+                      WidgetsBinding.instance.addPostFrameCallback((_) {
+                        try {
+                          itemScrollController[_ctr?.index ?? 0].jumpTo(
+                            index: currentIndex,
+                          );
+                        } catch (_) {}
+                      });
+                    },
+                  ),
                 const Spacer(),
                 StreamBuilder(
                   stream: _indexStream?.stream,
@@ -378,7 +436,7 @@ class _ListSheetContentState extends State<ListSheetContent>
                           index, widget.season.sections[index].episodes),
                     ),
                   )
-                : _buildBody(null, widget.episodes),
+                : _buildBody(null, episodes),
           ),
         ],
       ),

lib/pages/bangumi/widgets/bangumi_panel.dart

@@ -127,6 +127,7 @@ 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/controller.dart

@@ -11,7 +11,6 @@ import 'package:PiliPalaX/http/init.dart';
 import 'package:PiliPalaX/http/user.dart';
 import 'package:PiliPalaX/models/video/later.dart';
 import 'package:PiliPalaX/models/video/play/subtitle.dart';
-import 'package:PiliPalaX/models/video_detail_res.dart';
 import 'package:PiliPalaX/pages/video/detail/introduction/controller.dart';
 import 'package:PiliPalaX/pages/video/detail/related/controller.dart';
 import 'package:PiliPalaX/pages/video/detail/reply/controller.dart';
@@ -225,7 +224,6 @@ class VideoDetailController extends GetxController
   late final horizontalSeasonPanel = GStorage.horizontalSeasonPanel;
   late int seasonCid = 0;
   late RxInt seasonIndex = 0.obs;
-  late RxList<EpisodeItem> episodes = <EpisodeItem>[].obs;
 
   late final bool enableSponsorBlock;
   PlayerStatus? playerStatus;

lib/pages/video/detail/introduction/controller.dart

@@ -127,10 +127,13 @@ class VideoIntroController extends GetxController
 
   // 获取视频简介&分p
   Future queryVideoIntro() async {
-    await queryVideoTags();
+    queryVideoTags();
     var result = await VideoHttp.videoIntro(bvid: bvid);
     if (result['status']) {
-      videoDetail.value = result['data']!;
+      if (videoDetail.value.ugcSeason?.id == result['data']?.ugcSeason?.id) {
+        result['data']?.ugcSeason = videoDetail.value.ugcSeason;
+      }
+      videoDetail.value = result['data'];
       videoItem!['staff'] = result['data'].staff;
       try {
         final videoDetailController =

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

@@ -102,6 +102,7 @@ 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

@@ -32,6 +32,7 @@ class _SeasonPanelState extends State<SeasonPanel> {
   int currentIndex = 0;
   late VideoDetailController _videoDetailController;
   StreamSubscription? _listener;
+  List<EpisodeItem> episodes = <EpisodeItem>[];
 
   @override
   void initState() {
@@ -43,7 +44,7 @@ class _SeasonPanelState extends State<SeasonPanel> {
     /// 根据 cid 找到对应集，找到对应 episodes
     /// 有多个episodes时，只显示其中一个
     _findEpisode();
-    if (_videoDetailController.episodes.isEmpty) {
+    if (episodes.isEmpty) {
       return;
     }
 
@@ -51,14 +52,16 @@ class _SeasonPanelState extends State<SeasonPanel> {
     // episodes = widget.ugcSeason.sections!
     //     .firstWhere((e) => e.seasonId == widget.ugcSeason.id)
     //     .episodes;
-    currentIndex = _videoDetailController.episodes.indexWhere(
+    currentIndex = episodes.indexWhere(
         (EpisodeItem e) => e.cid == _videoDetailController.seasonCid);
     _listener = _videoDetailController.cid.listen((int p0) {
+      if (widget.pages != null && widget.pages!.length != 1) {
         bool isPart = widget.pages?.indexWhere((item) => item.cid == p0) != -1;
         if (isPart) return;
+      }
       _videoDetailController.seasonCid = p0;
       _findEpisode();
-      currentIndex = _videoDetailController.episodes.indexWhere(
+      currentIndex = episodes.indexWhere(
           (EpisodeItem e) => e.cid == _videoDetailController.seasonCid);
       if (!mounted) return;
       setState(() {});
@@ -84,7 +87,7 @@ class _SeasonPanelState extends State<SeasonPanel> {
 
   @override
   Widget build(BuildContext context) {
-    if (_videoDetailController.episodes.isEmpty) {
+    if (episodes.isEmpty) {
       return const SizedBox();
     }
     return Builder(builder: (BuildContext context) {
@@ -105,10 +108,15 @@ class _SeasonPanelState extends State<SeasonPanel> {
                 : () => widget.showEpisodes(
                       _videoDetailController.seasonIndex.value,
                       widget.ugcSeason,
-                      _videoDetailController.episodes,
+                      null,
                       _videoDetailController.bvid,
                       null,
                       _videoDetailController.seasonCid,
+                      () {
+                        setState(() {
+                          currentIndex = episodes.length - 1 - currentIndex;
+                        });
+                      },
                     ),
             child: Padding(
               padding: const EdgeInsets.fromLTRB(8, 12, 8, 12),
@@ -130,10 +138,10 @@ class _SeasonPanelState extends State<SeasonPanel> {
                   ),
                   const SizedBox(width: 10),
                   Text(
-                    '${currentIndex + 1}/${_videoDetailController.episodes.length}',
+                    '${currentIndex + 1}/${episodes.length}',
                     style: Theme.of(context).textTheme.labelMedium,
                     semanticsLabel:
-                        '第${currentIndex + 1}集，共${_videoDetailController.episodes.length}集',
+                        '第${currentIndex + 1}集，共${episodes.length}集',
                   ),
                   const SizedBox(width: 6),
                   const Icon(
@@ -156,8 +164,10 @@ class _SeasonPanelState extends State<SeasonPanel> {
       final List<EpisodeItem> episodesList = sections[i].episodes!;
       for (int j = 0; j < episodesList.length; j++) {
         if (episodesList[j].cid == _videoDetailController.seasonCid) {
+          if (_videoDetailController.seasonIndex.value != i) {
             _videoDetailController.seasonIndex.value = i;
-          _videoDetailController.episodes.value = episodesList;
+          }
+          episodes = episodesList;
           break;
         }
       }

lib/pages/video/detail/view.dart

@@ -1505,8 +1505,7 @@ class _VideoDetailPageState extends State<VideoDetailPage>
               child: Obx(
                 () => ListSheetContent(
                   index: videoDetailController.seasonIndex.value,
-                  season: videoIntroController.videoDetail.value.ugcSeason!,
+                  season: videoIntroController.videoDetail.value.ugcSeason,
-                  episodes: videoDetailController.episodes,
                   bvid: videoDetailController.bvid,
                   aid: IdUtils.bv2av(videoDetailController.bvid),
                   currentCid: videoDetailController.seasonCid,
@@ -1514,6 +1513,8 @@ class _VideoDetailPageState extends State<VideoDetailPage>
                           SearchType.media_bangumi
                       ? bangumiIntroController.changeSeasonOrbangu
                       : videoIntroController.changeSeasonOrbangu,
+                  showTitle: false,
+                  onReverse: onReversePlay,
                 ),
               ),
             ),
@@ -1576,14 +1577,14 @@ class _VideoDetailPageState extends State<VideoDetailPage>
     );
   }
 
-  showEpisodes(index, season, episodes, bvid, aid, cid) {
+  showEpisodes(index, season, episodes, bvid, aid, cid, onReverse) {
     Widget listSheetContent() => ListSheetContent(
           index: index,
           season: season,
-          episodes: episodes,
           bvid: bvid,
           aid: aid,
           currentCid: cid,
+          episodes: episodes,
           changeFucCall:
               videoDetailController.videoType == SearchType.media_bangumi
                   ? bangumiIntroController.changeSeasonOrbangu
@@ -1596,6 +1597,11 @@ class _VideoDetailPageState extends State<VideoDetailPage>
               Get.back();
             }
           },
+          onReverse: () {
+            Get.back();
+            onReversePlay();
+            onReverse();
+          },
         );
     if (isFullScreen) {
       videoDetailController.bsController =
@@ -1609,6 +1615,21 @@ class _VideoDetailPageState extends State<VideoDetailPage>
     }
   }
 
+  void onReversePlay() {
+    videoIntroController.videoDetail.value.ugcSeason!
+            .sections![videoDetailController.seasonIndex.value].episodes =
+        videoIntroController
+            .videoDetail
+            .value
+            .ugcSeason!
+            .sections![videoDetailController.seasonIndex.value]
+            .episodes!
+            .reversed
+            .toList();
+    videoDetailController.seasonIndex.refresh();
+    videoDetailController.cid.refresh();
+  }
+
   void showViewPoints() {
     Widget listSheetContent(context, [bool isFS = false]) {
       int currentIndex = -1;

lib/plugin/pl_player/view.dart

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