fix(recommend): 恢复进度拖动前浮层状态

docs/plans/PROGRESS.md

@@ -1184,5 +1184,5 @@ $ flutter test
 - 剧名 19/w600，箭头 20 白色并紧邻剧名；标签行改为 13/w600 亮灰内联布局。
 - 简介「展开/收起」沿用现有三语文案；进度条热区恢复 24 并接入拖动自动清屏与预览卡片。
 - 拖动期间隐藏操作栏、文字及根底栏，顶部导航常驻；松手后持续清屏直到点击画面。
-- 进度条固定中心并动画到 6 高，时间气泡限制在左右 12；按当前流程未执行 analyze/test。
+- 进度条固定中心并动画到 6 高，时间气泡限制在左右 12；松手恢复拖动前浮层状态。
 - 修复 `scrubCancelRequest` 误置于 `initState` 的编译错误，并清理推荐页未使用变量；`flutter analyze` 无问题。

lib/core/theme/app_colors.dart

@@ -18,6 +18,7 @@ abstract final class AppColors {
   static const scrim = Color(0xD1000000);
   static const controlScrim = Color(0x80000000);
   static const controlSoftScrim = Color(0x42000000);
+  static const timeBubbleScrim = Color(0xB3000000);
   static const scrubPreviewScrim = Color(0xDE000000);
   static const overlaySoft = Color(0x66000000);
   static const overlayBar = Color(0x4D000000);

lib/pages/player/player_view.dart

@@ -119,7 +119,6 @@ class _PlayerPageState extends State<PlayerPage>
   double _playbackSpeed = 1.0;
   bool _boosting = false;
   bool _scrubbing = false;
-  bool _clearScreenFromScrub = false;
   double? _speedBeforeBoost;
   bool? _chromeBeforeBoost;
 
@@ -315,26 +314,24 @@ class _PlayerPageState extends State<PlayerPage>
     widget.onScrubVisibilityChanged?.call(value);
   }
 
-  void _finishFeedScrub() {
+  void _finishFeedScrub(bool wasVisible) {
     setState(() {
       _scrubbing = false;
-      _chromeVisible = false;
-      _clearScreenFromScrub = true;
+      _chromeVisible = wasVisible;
     });
+    widget.onScrubVisibilityChanged?.call(!wasVisible);
   }
 
   void _cancelFeedScrub() {
     logic.cancelScrub();
     _scrubbing = false;
     _chromeVisible = true;
-    _clearScreenFromScrub = false;
   }
 
   void _restoreFeedChrome() {
     setState(() {
       _scrubbing = false;
       _chromeVisible = true;
-      _clearScreenFromScrub = false;
     });
     widget.onScrubVisibilityChanged?.call(false);
   }
@@ -749,11 +746,7 @@ class _PlayerPageState extends State<PlayerPage>
                 ? null
                 : () => _openUnlockSheet(context, index, episode),
           ),
-        if (widget.homeMode &&
-            !_chromeVisible &&
-            !_boosting &&
-            !_scrubbing &&
-            !_clearScreenFromScrub)
+        if (widget.homeMode && !_chromeVisible && !_boosting && !_scrubbing)
           Positioned(
             right: 12,
             bottom: 56,

lib/pages/player/widgets/home_feed_overlay.dart

@@ -89,7 +89,7 @@ class HomeFeedOverlay extends StatefulWidget {
   final VoidCallback onBoostEnd;
   final VoidCallback onMore;
   final VoidCallback? onScrubStart;
-  final VoidCallback? onScrubEnd;
+  final ValueChanged<bool>? onScrubEnd;
   final ValueChanged<bool>? onScrubVisibilityChanged;
   final ValueChanged<Duration>? onSeek;
   final int cancelScrubRequest;
@@ -102,14 +102,13 @@ class HomeFeedOverlay extends StatefulWidget {
 
 class _HomeFeedOverlayState extends State<HomeFeedOverlay> {
   bool _scrubbing = false;
-  bool _clearAfterScrub = false;
+  bool _wasVisibleBeforeScrub = true;
 
   @override
   void didUpdateWidget(covariant HomeFeedOverlay oldWidget) {
     super.didUpdateWidget(oldWidget);
     if (oldWidget.cancelScrubRequest != widget.cancelScrubRequest) {
       _scrubbing = false;
-      _clearAfterScrub = false;
     }
   }
 
@@ -138,7 +137,7 @@ class _HomeFeedOverlayState extends State<HomeFeedOverlay> {
           ),
           if (widget.boosting)
             Positioned(left: 0, right: 0, bottom: 20, child: _boostHint())
-          else if (widget.visible && !_scrubbing && !_clearAfterScrub)
+          else if (widget.visible && !_scrubbing)
             Positioned(
               left: _pageHorizontal,
               right: _railRight,
@@ -176,31 +175,19 @@ class _HomeFeedOverlayState extends State<HomeFeedOverlay> {
   }
 
   void _startScrub() {
-    if (!_scrubbing || _clearAfterScrub) {
-      setState(() {
-        _scrubbing = true;
-        _clearAfterScrub = false;
-      });
-    }
+    _wasVisibleBeforeScrub = widget.visible;
+    if (!_scrubbing) setState(() => _scrubbing = true);
     widget.onScrubVisibilityChanged?.call(true);
     widget.onScrubStart?.call();
   }
 
   void _endScrub() {
-    if (_scrubbing || !_clearAfterScrub) {
-      setState(() {
-        _scrubbing = false;
-        _clearAfterScrub = true;
-      });
-    }
-    widget.onScrubEnd?.call();
+    final wasVisible = _wasVisibleBeforeScrub;
+    if (_scrubbing) setState(() => _scrubbing = false);
+    widget.onScrubEnd?.call(wasVisible);
   }
 
   void _handleSurfaceTap() {
-    if (_clearAfterScrub) {
-      setState(() => _clearAfterScrub = false);
-      widget.onScrubVisibilityChanged?.call(false);
-    }
     widget.onTogglePlay();
   }
 

lib/pages/player/widgets/home_feed_overlay_parts.dart

@@ -150,7 +150,7 @@ class _FeedProgressBarState extends State<_FeedProgressBar> {
               if (showPreview)
                 Positioned(
                   left: _timeBubbleLeft(width, _preview!),
-                  bottom: widget.hitHeight + 8,
+                  bottom: _lineCenterFromBottom + 16,
                   child: _ScrubTimeBubble(
                     key: const Key('scrub-preview-time-bubble'),
                     position: previewPosition,
@@ -377,9 +377,9 @@ class _ScrubTimeBubble extends StatelessWidget {
   Widget build(BuildContext context) {
     return Container(
       width: _timeBubbleWidth,
-      padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 6),
+      padding: const EdgeInsets.symmetric(horizontal: 6, vertical: 3),
       decoration: BoxDecoration(
-        color: AppColors.overlayMedium,
+        color: AppColors.timeBubbleScrim,
         borderRadius: BorderRadius.circular(6),
       ),
       child: Text(

test/home/home_preview_layout_test.dart

@@ -719,6 +719,28 @@ void main() {
         tester.getRect(find.byKey(const Key('home-feed-gesture'))).right - 12,
       ),
     );
+    expect(
+      tester
+              .getRect(find.byKey(const Key('home-feed-progress-track')))
+              .center
+              .dy -
+          bubbleRect.bottom,
+      closeTo(16, 0.1),
+    );
+    final bubbleContainer = tester.widget<Container>(
+      find.descendant(
+        of: find.byKey(const Key('scrub-preview-time-bubble')),
+        matching: find.byType(Container),
+      ),
+    );
+    expect(
+      (bubbleContainer.decoration! as BoxDecoration).color,
+      AppColors.timeBubbleScrim,
+    );
+    expect(
+      bubbleContainer.padding,
+      const EdgeInsets.symmetric(horizontal: 6, vertical: 3),
+    );
     await gesture.moveBy(const Offset(-600, 0));
     await tester.pump();
     expect(
@@ -765,8 +787,8 @@ void main() {
     );
     await gesture.up();
     await tester.pumpAndSettle();
-    expect(scrubVisibility.last, isTrue);
-    expect(find.byKey(const Key('home-feed-title')), findsNothing);
+    expect(scrubVisibility.last, isFalse);
+    expect(find.byKey(const Key('home-feed-title')), findsOneWidget);
     expect(seeked, isNotNull);
     expect(seeked!.inSeconds, greaterThan(0));
     expect(
@@ -778,11 +800,6 @@ void main() {
       2,
     );
 
-    await tester.tap(find.byKey(const Key('home-feed-gesture')));
-    await tester.pump();
-    expect(scrubVisibility.last, isFalse);
-    expect(find.byKey(const Key('home-feed-title')), findsOneWidget);
-
     await tester.tap(find.byKey(const Key('home-feed-full-series')));
     await tester.pump();
     expect(opened, 1);

test/recommend/recommend_sections_test.dart

@@ -102,9 +102,15 @@ void main() {
     await tester.pump(const Duration(milliseconds: 130));
     expect(find.byKey(const Key('recommend-top-nav')), findsOneWidget);
     expect(tester.getCenter(progress).dy, closeTo(progressCenterY, 0.1));
+    final navVisibility = find.ancestor(
+      of: find.byKey(const Key('home-tabs-bar')),
+      matching: find.byType(Visibility),
+    );
+    expect(tester.widget<Visibility>(navVisibility.first).visible, isFalse);
     await scrub.up();
     await tester.pumpAndSettle();
     expect(find.byKey(const Key('recommend-top-nav')), findsOneWidget);
+    expect(tester.widget<Visibility>(navVisibility.first).visible, isTrue);
 
     await tester.tap(find.byKey(const Key('recommend-tab-playlist')));
     await tester.pumpAndSettle();