fix(recommend): 修正进度拖动与底栏联动

lib/pages/home/home_logic.dart

@@ -23,7 +23,6 @@ class HomeLogic extends ChangeNotifier {
   bool drawerOpen = false;
   bool detailOpen = false;
   bool videoImmersive = false;
-  bool scrubHidden = false;
   bool _dramaNotifyScheduled = false;
   bool _disposed = false;
 
@@ -145,12 +144,6 @@ class HomeLogic extends ChangeNotifier {
     notify();
   }
 
-  void onScrubVisibilityChanged(bool value) {
-    if (scrubHidden == value) return;
-    scrubHidden = value;
-    notify();
-  }
-
   @override
   void dispose() {
     _disposed = true;

lib/pages/home/home_view.dart

@@ -239,15 +239,7 @@ class _HomeTabsState extends State<_HomeTabs> {
         backgroundColor: AppColors.transparent,
         resizeToAvoidBottomInset: false,
         body: _body(context),
-        bottomNavigationBar: logic.videoImmersive
-            ? null
-            : Visibility(
-                visible: !logic.scrubHidden,
-                maintainSize: true,
-                maintainAnimation: true,
-                maintainState: true,
-                child: _nav(context),
-              ),
+        bottomNavigationBar: logic.videoImmersive ? null : _nav(context),
       ),
     );
     return AnnotatedRegion<SystemUiOverlayStyle>(
@@ -296,7 +288,6 @@ class _HomeTabsState extends State<_HomeTabs> {
       active: logic.tab == 1,
       onSearch: () => _openSearch(context),
       onOpenFilter: () => _pushPage(context, const FilterPage()),
-      onScrubVisibilityChanged: logic.onScrubVisibilityChanged,
     );
   }
 

lib/pages/player/player_logic.dart

@@ -914,15 +914,19 @@ class PlayerLogic extends ChangeNotifier {
   void beginScrub(VideoPlayerPort player) {
     if (session.active != player) return;
     scrubbingPlayer = player;
-    session.setOverlayOpen(true);
   }
 
   void cancelScrub() {
     if (scrubbingPlayer == null) return;
     scrubbingPlayer = null;
-    session.setOverlayOpen(false);
   }
 
+  Future<void> endScrub(
+    BuildContext context,
+    VideoPlayerPort player,
+    Duration position,
+  ) => seekTo(context, player, position);
+
   Future<void> seekTo(
     BuildContext context,
     VideoPlayerPort player,

lib/pages/player/player_view.dart

@@ -70,7 +70,6 @@ class PlayerPage extends StatefulWidget {
     this.showHomeFeedHeader = true,
     this.onDramaChanged,
     this.onImmersiveChanged,
-    this.onScrubVisibilityChanged,
     this.onOpenFullPlayer,
     this.onRefreshFeed,
     this.onLoadMore,
@@ -97,7 +96,6 @@ class PlayerPage extends StatefulWidget {
   final bool showHomeFeedHeader;
   final ValueChanged<Drama>? onDramaChanged;
   final ValueChanged<bool>? onImmersiveChanged;
-  final ValueChanged<bool>? onScrubVisibilityChanged;
   final Future<void> Function(Drama drama, Episode episode)? onOpenFullPlayer;
   final Future<bool> Function()? onRefreshFeed;
   final Future<void> Function()? onLoadMore;
@@ -273,7 +271,6 @@ class _PlayerPageState extends State<PlayerPage>
   void _hideChrome() {
     if (!_chromeVisible) return;
     setState(() => _chromeVisible = false);
-    widget.onScrubVisibilityChanged?.call(true);
   }
 
   /// 长按两侧：切 2 倍速并清屏，记下进入前的状态用于松手恢复。
@@ -288,7 +285,6 @@ class _PlayerPageState extends State<PlayerPage>
       _playbackSpeed = _boostPlaybackSpeed;
       _chromeVisible = false;
     });
-    widget.onScrubVisibilityChanged?.call(true);
     unawaited(logic.setPlaybackSpeed(_boostPlaybackSpeed));
   }
 
@@ -304,14 +300,12 @@ class _PlayerPageState extends State<PlayerPage>
       _playbackSpeed = speed;
       _chromeVisible = chrome;
     });
-    widget.onScrubVisibilityChanged?.call(!chrome);
     unawaited(logic.setPlaybackSpeed(speed));
   }
 
   void _setScrubbing(bool value) {
     if (_scrubbing == value) return;
     setState(() => _scrubbing = value);
-    widget.onScrubVisibilityChanged?.call(value);
   }
 
   void _finishFeedScrub(bool wasVisible) {
@@ -319,7 +313,6 @@ class _PlayerPageState extends State<PlayerPage>
       _scrubbing = false;
       _chromeVisible = wasVisible;
     });
-    widget.onScrubVisibilityChanged?.call(!wasVisible);
   }
 
   void _cancelFeedScrub() {
@@ -333,7 +326,6 @@ class _PlayerPageState extends State<PlayerPage>
       _scrubbing = false;
       _chromeVisible = true;
     });
-    widget.onScrubVisibilityChanged?.call(false);
   }
 
   void _handleFeedSurfaceTap() {
@@ -676,7 +668,7 @@ class _PlayerPageState extends State<PlayerPage>
             onScrubVisibilityChanged: _setScrubbing,
             cancelScrubRequest: widget.scrubCancelRequest,
             onSeek: ready
-                ? (position) => logic.seekTo(context, videoPort!, position)
+                ? (position) => logic.endScrub(context, videoPort!, position)
                 : null,
             thumbnailService: _thumbnailService,
             spriteAxisService: _spriteAxisService,

lib/pages/player/widgets/home_feed_overlay.dart

@@ -22,6 +22,7 @@ const double _progressHitHeight = 28;
 const double _pageHorizontal = 14;
 const double _railRight = 8;
 const double _railGap = 12;
+const double _bottomInfoInset = 20;
 const double _railBottomOffset = 60;
 const List<Shadow> _boostTextShadows = [
   Shadow(color: AppColors.shadow, blurRadius: 5, offset: Offset(0, 1)),
@@ -141,7 +142,7 @@ class _HomeFeedOverlayState extends State<HomeFeedOverlay> {
             Positioned(
               left: _pageHorizontal,
               right: _railRight,
-              bottom: 12,
+              bottom: _bottomInfoInset,
               child: Row(
                 crossAxisAlignment: CrossAxisAlignment.end,
                 children: [
@@ -184,6 +185,7 @@ class _HomeFeedOverlayState extends State<HomeFeedOverlay> {
   void _endScrub() {
     final wasVisible = _wasVisibleBeforeScrub;
     if (_scrubbing) setState(() => _scrubbing = false);
+    widget.onScrubVisibilityChanged?.call(false);
     widget.onScrubEnd?.call(wasVisible);
   }
 

lib/pages/player/widgets/home_feed_overlay_parts.dart

@@ -43,6 +43,7 @@ class _FeedProgressBarState extends State<_FeedProgressBar> {
   double? _preview;
   Timer? _bufferTimer;
   bool _buffering = false;
+  bool _dragging = false;
 
   @override
   void initState() {
@@ -61,6 +62,7 @@ class _FeedProgressBarState extends State<_FeedProgressBar> {
       _attachSource();
     }
     if (oldWidget.cancelScrubRequest != widget.cancelScrubRequest) {
+      _dragging = false;
       _preview = null;
     }
     if (oldWidget.locked != widget.locked) {
@@ -68,6 +70,7 @@ class _FeedProgressBarState extends State<_FeedProgressBar> {
       _bufferTimer = null;
       _buffering = false;
       if (widget.locked) {
+        _dragging = false;
         _preview = null;
       } else {
         _syncBufferState(notify: false);
@@ -88,7 +91,7 @@ class _FeedProgressBarState extends State<_FeedProgressBar> {
       builder: (context, constraints) {
         final width = constraints.maxWidth;
         final source = widget.controller;
-        final scrubbing = _preview != null;
+        final scrubbing = _dragging;
         final loading = !widget.locked && !scrubbing && _buffering;
         final track = widget.locked
             ? _inactiveTrack()
@@ -115,49 +118,41 @@ class _FeedProgressBarState extends State<_FeedProgressBar> {
             !loading &&
             (source?.value.isInitialized ?? false);
         final video = source?.value;
-        final previewPosition = _preview == null || video == null
+        final previewPosition = !_dragging || _preview == null || video == null
             ? null
             : seekPositionForFraction(_preview!, video.duration);
         final showPreview = previewPosition != null;
-        return GestureDetector(
-          key: const Key('home-feed-progress'),
+        return Listener(
           behavior: HitTestBehavior.opaque,
-          onHorizontalDragStart: interactive
-              ? (details) {
-                  widget.onScrubStart?.call();
-                  _update(details.localPosition.dx / width);
-                }
-              : null,
-          onHorizontalDragUpdate: interactive
-              ? (details) => _update(details.localPosition.dx / width)
-              : null,
-          onHorizontalDragEnd: interactive
-              ? (_) {
-                  widget.onScrubEnd?.call();
-                  _commit(_preview);
-                }
-              : null,
-          onHorizontalDragCancel: interactive
-              ? () {
-                  widget.onScrubEnd?.call();
-                  _cancelPreview();
-                }
-              : null,
-          child: Stack(
-            clipBehavior: Clip.none,
-            children: [
-              track,
-              if (showPreview)
-                Positioned(
-                  left: _timeBubbleLeft(width, _preview!),
-                  bottom: _lineCenterFromBottom + 16,
-                  child: _ScrubTimeBubble(
-                    key: const Key('scrub-preview-time-bubble'),
-                    position: previewPosition,
-                    duration: video!.duration,
+          onPointerUp: (_) => _finishScrub(),
+          onPointerCancel: (_) => _finishScrub(),
+          child: GestureDetector(
+            key: const Key('home-feed-progress'),
+            behavior: HitTestBehavior.opaque,
+            onHorizontalDragStart: interactive
+                ? (details) => _startScrub(details.localPosition.dx / width)
+                : null,
+            onHorizontalDragUpdate: interactive
+                ? (details) => _update(details.localPosition.dx / width)
+                : null,
+            onHorizontalDragEnd: interactive ? (_) => _finishScrub() : null,
+            onHorizontalDragCancel: interactive ? _finishScrub : null,
+            child: Stack(
+              clipBehavior: Clip.none,
+              children: [
+                track,
+                if (showPreview)
+                  Positioned(
+                    left: _timeBubbleLeft(width, _preview!),
+                    bottom: _lineCenterFromBottom + 16,
+                    child: _ScrubTimeBubble(
+                      key: const Key('scrub-preview-time-bubble'),
+                      position: previewPosition,
+                      duration: video!.duration,
+                    ),
                   ),
-                ),
-            ],
+              ],
+            ),
           ),
         );
       },
@@ -259,23 +254,32 @@ class _FeedProgressBarState extends State<_FeedProgressBar> {
     );
   }
 
+  void _startScrub(double fraction) {
+    if (_dragging) return;
+    setState(() {
+      _dragging = true;
+      _preview = fraction.clamp(0.0, 1.0).toDouble();
+    });
+    widget.onScrubStart?.call();
+  }
+
   void _update(double fraction) {
+    if (!_dragging) return;
     setState(() => _preview = fraction.clamp(0.0, 1.0).toDouble());
   }
 
-  void _commit(double? fraction) {
+  void _finishScrub() {
+    if (!_dragging) return;
+    final fraction = _preview;
+    setState(() {
+      _dragging = false;
+      _preview = null;
+    });
+    widget.onScrubEnd?.call();
     if (widget.locked || fraction == null) return;
     final total = widget.controller?.value.duration.inMilliseconds ?? 0;
-    if (total > 0) {
-      widget.onSeek?.call(
-        Duration(milliseconds: (total * fraction.clamp(0.0, 1.0)).round()),
-      );
-    }
-    setState(() => _preview = null);
-  }
-
-  void _cancelPreview() {
-    setState(() => _preview = null);
+    if (total <= 0) return;
+    widget.onSeek?.call(Duration(milliseconds: (total * fraction).round()));
   }
 
   Widget _track(double fraction, double width) {

lib/pages/recommend/recommend_page.dart

@@ -28,14 +28,12 @@ class RecommendPage extends StatefulWidget {
     required this.active,
     required this.onSearch,
     required this.onOpenFilter,
-    required this.onScrubVisibilityChanged,
   });
 
   final HomeFeedController feedController;
   final bool active;
   final VoidCallback onSearch;
   final VoidCallback onOpenFilter;
-  final ValueChanged<bool> onScrubVisibilityChanged;
 
   @override
   State<RecommendPage> createState() => _RecommendPageState();
@@ -43,7 +41,6 @@ class RecommendPage extends StatefulWidget {
 
 class _RecommendPageState extends State<RecommendPage> {
   RecommendInnerTab _tab = RecommendInnerTab.feed;
-  bool _scrubbing = false;
   int _scrubCancelRequest = 0;
 
   @override
@@ -159,38 +156,22 @@ class _RecommendPageState extends State<RecommendPage> {
           _openDrama(drama, episodeId: episode.id),
       onRefreshFeed: widget.feedController.refreshCurrent,
       onLoadMore: widget.feedController.loadMore,
-      onScrubVisibilityChanged: _setScrubbing,
       scrubCancelRequest: _scrubCancelRequest,
     );
   }
 
   void _selectTab(RecommendInnerTab tab) {
-    final wasScrubbing = _scrubbing;
     setState(() {
       _tab = tab;
-      if (wasScrubbing) _scrubCancelRequest++;
-      _scrubbing = false;
+      _scrubCancelRequest++;
     });
-    if (wasScrubbing) widget.onScrubVisibilityChanged(false);
   }
 
   void _handleSearch() {
-    if (_scrubbing) {
-      setState(() {
-        _scrubbing = false;
-        _scrubCancelRequest++;
-      });
-      widget.onScrubVisibilityChanged(false);
-    }
+    setState(() => _scrubCancelRequest++);
     widget.onSearch();
   }
 
-  void _setScrubbing(bool value) {
-    if (_scrubbing == value) return;
-    setState(() => _scrubbing = value);
-    widget.onScrubVisibilityChanged(value);
-  }
-
   Widget _withTopNavSpace(Widget child) {
     return SafeArea(
       bottom: false,