feat: 增加播放器双击点赞与飘心

lib/pages/player/widgets/home_feed_overlay.dart

@@ -14,6 +14,7 @@ import '../../../core/theme/app_colors.dart';
 import '../../../l10n/app_localizations.dart';
 import 'home_feed_recommend_panel.dart';
 import 'loading_progress_track.dart';
+import 'player_double_tap_hearts.dart';
 import 'seek_progress_bar.dart';
 
 part 'home_feed_overlay_parts.dart';
@@ -54,6 +55,7 @@ class HomeFeedOverlay extends StatefulWidget {
     required this.onBoostStart,
     required this.onBoostEnd,
     required this.onMore,
+    this.onDoubleTapLike,
     this.likeCount,
     this.favoriteCount,
     this.commentCount,
@@ -91,6 +93,7 @@ class HomeFeedOverlay extends StatefulWidget {
   final VoidCallback onBoostStart;
   final VoidCallback onBoostEnd;
   final VoidCallback onMore;
+  final ValueChanged<Offset>? onDoubleTapLike;
   final VoidCallback? onScrubStart;
   final ValueChanged<bool>? onScrubEnd;
   final ValueChanged<bool>? onScrubVisibilityChanged;
@@ -106,6 +109,9 @@ class HomeFeedOverlay extends StatefulWidget {
 class _HomeFeedOverlayState extends State<HomeFeedOverlay> {
   bool _scrubbing = false;
   bool _wasVisibleBeforeScrub = true;
+  Offset? _doubleTapPosition;
+  int _nextHeartBurstId = 0;
+  final List<({int id, Offset position})> _heartBursts = [];
 
   @override
   void didUpdateWidget(covariant HomeFeedOverlay oldWidget) {
@@ -130,6 +136,9 @@ class _HomeFeedOverlayState extends State<HomeFeedOverlay> {
                   key: const Key('home-feed-gesture'),
                   behavior: HitTestBehavior.opaque,
                   onTap: _handleSurfaceTap,
+                  onDoubleTapDown: (details) =>
+                      _doubleTapPosition = details.localPosition,
+                  onDoubleTap: _handleDoubleTap,
                   onLongPressStart: (details) =>
                       _handleLongPressStart(details, constraints.maxWidth),
                   onLongPressEnd: (_) => widget.onBoostEnd(),
@@ -193,6 +202,25 @@ class _HomeFeedOverlayState extends State<HomeFeedOverlay> {
               onSeek: widget.onSeek,
             ),
           ),
+          if (_heartBursts.isNotEmpty)
+            Positioned.fill(
+              child: IgnorePointer(
+                child: Stack(
+                  clipBehavior: Clip.none,
+                  children: [
+                    for (final burst in _heartBursts)
+                      Positioned(
+                        left: burst.position.dx,
+                        top: burst.position.dy - 10,
+                        child: PlayerDoubleTapHeartBurst(
+                          key: ValueKey(burst.id),
+                          onCompleted: () => _removeHeartBurst(burst.id),
+                        ),
+                      ),
+                  ],
+                ),
+              ),
+            ),
         ],
       ),
     );
@@ -218,6 +246,19 @@ class _HomeFeedOverlayState extends State<HomeFeedOverlay> {
     widget.onTogglePlay();
   }
 
+  void _handleDoubleTap() {
+    final position = _doubleTapPosition;
+    if (position == null) return;
+    final id = _nextHeartBurstId++;
+    setState(() => _heartBursts.add((id: id, position: position)));
+    widget.onDoubleTapLike?.call(position);
+  }
+
+  void _removeHeartBurst(int id) {
+    if (!mounted) return;
+    setState(() => _heartBursts.removeWhere((burst) => burst.id == id));
+  }
+
   void _handleLongPressStart(LongPressStartDetails details, double width) {
     final third = width / 3;
     final dx = details.localPosition.dx;