fix: 修正双击点赞与心形联动

lib/pages/player/widgets/home_feed_overlay.dart

@@ -107,9 +107,12 @@ class HomeFeedOverlay extends StatefulWidget {
 }
 
 class _HomeFeedOverlayState extends State<HomeFeedOverlay> {
+  static const Duration _singleTapDelay = Duration(milliseconds: 280);
+
   bool _scrubbing = false;
   bool _wasVisibleBeforeScrub = true;
-  Offset? _doubleTapPosition;
+  Timer? _singleTapTimer;
+  DateTime? _lastTapAt;
   int _nextHeartBurstId = 0;
   final List<({int id, Offset position})> _heartBursts = [];
 
@@ -121,6 +124,12 @@ class _HomeFeedOverlayState extends State<HomeFeedOverlay> {
     }
   }
 
+  @override
+  void dispose() {
+    _singleTapTimer?.cancel();
+    super.dispose();
+  }
+
   @override
   Widget build(BuildContext context) {
     return SafeArea(
@@ -135,10 +144,7 @@ class _HomeFeedOverlayState extends State<HomeFeedOverlay> {
                 child: GestureDetector(
                   key: const Key('home-feed-gesture'),
                   behavior: HitTestBehavior.opaque,
-                  onTap: _handleSurfaceTap,
-                  onDoubleTapDown: (details) =>
-                      _doubleTapPosition = details.localPosition,
-                  onDoubleTap: _handleDoubleTap,
+                  onTapUp: _handleTapUp,
                   onLongPressStart: (details) =>
                       _handleLongPressStart(details, constraints.maxWidth),
                   onLongPressEnd: (_) => widget.onBoostEnd(),
@@ -242,13 +248,28 @@ class _HomeFeedOverlayState extends State<HomeFeedOverlay> {
     widget.onScrubEnd?.call(wasVisible);
   }
 
-  void _handleSurfaceTap() {
-    widget.onTogglePlay();
+  void _handleTapUp(TapUpDetails details) {
+    final now = DateTime.now();
+    final lastTap = _lastTapAt;
+    if (_singleTapTimer != null &&
+        lastTap != null &&
+        now.difference(lastTap) <= _singleTapDelay) {
+      _singleTapTimer?.cancel();
+      _singleTapTimer = null;
+      _lastTapAt = null;
+      _showHearts(details.localPosition);
+      return;
+    }
+    _lastTapAt = now;
+    _singleTapTimer?.cancel();
+    _singleTapTimer = Timer(_singleTapDelay, () {
+      _singleTapTimer = null;
+      _lastTapAt = null;
+      if (mounted) widget.onTogglePlay();
+    });
   }
 
-  void _handleDoubleTap() {
-    final position = _doubleTapPosition;
-    if (position == null) return;
+  void _showHearts(Offset position) {
     final id = _nextHeartBurstId++;
     setState(() => _heartBursts.add((id: id, position: position)));
     widget.onDoubleTapLike?.call(position);
@@ -260,6 +281,9 @@ class _HomeFeedOverlayState extends State<HomeFeedOverlay> {
   }
 
   void _handleLongPressStart(LongPressStartDetails details, double width) {
+    _singleTapTimer?.cancel();
+    _singleTapTimer = null;
+    _lastTapAt = null;
     final third = width / 3;
     final dx = details.localPosition.dx;
     if (dx < third || dx > width - third) {