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2026-10-15 20:36:59 +08:00
commit 6bf949949c
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+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:go_router/go_router.dart';
+
+import '../../../core/player/feed_player_pool.dart';
+import '../../../models/video_item.dart';
+import '../../../providers/auth_provider.dart';
+import 'feed_overlays.dart';
+import 'interaction_bar.dart';
+import 'video_info_section.dart';
+import 'video_player_view.dart';
+
+/// Feed 单页：播放器 + 手势层 + 互动栏 + 信息区 + 双击爱心动画
+/// 手势（《01-开发文档》5.3）：单击暂停/继续，双击点赞
+class FeedVideoPage extends ConsumerStatefulWidget {
+  const FeedVideoPage({
+    super.key,
+    required this.item,
+    required this.slotIndex,
+    required this.pool,
+    required this.isCurrent,
+    required this.onLike,
+    this.onFavorite,
+    this.onComment,
+    this.onShare,
+  });
+
+  final VideoItem item;
+  final int slotIndex;
+  final FeedPlayerPool pool;
+  final bool isCurrent;
+
+  /// 点赞回调（由上层接 feedProvider.toggleLike，内部判登录态）
+  final void Function(int videoId) onLike;
+
+  /// 收藏回调（由上层接 feedProvider.toggleFavorite）
+  final void Function(int videoId)? onFavorite;
+
+  /// 评论入口（打开评论弹层）
+  final void Function(VideoItem item)? onComment;
+
+  /// 分享入口（系统分享面板）
+  final void Function(VideoItem item)? onShare;
+
+  @override
+  ConsumerState<FeedVideoPage> createState() => _FeedVideoPageState();
+}
+
+class _FeedVideoPageState extends ConsumerState<FeedVideoPage> {
+  int _likeBurstTrigger = 0;
+
+  void _onDoubleTap() {
+    // 游客双击：与点赞按钮一致守卫登录（《01-开发文档》2.1.1 游客不可点赞）
+    if (!ref.read(authProvider).isLoggedIn) {
+      context.go('/login');
+      return;
+    }
+    setState(() => _likeBurstTrigger++);
+    // 双击：未点赞等同点赞；已点赞只播动画不改状态
+    if (!widget.item.isLiked) {
+      widget.onLike(widget.item.videoId);
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return GestureDetector(
+      onTap: widget.pool.toggleCurrent,
+      onDoubleTap: _onDoubleTap,
+      child: Container(
+        color: Colors.black,
+        child: Stack(
+          fit: StackFit.expand,
+          children: [
+            // 底部渐变（提升文字可读性）
+            const Positioned(
+              left: 0,
+              right: 0,
+              bottom: 0,
+              height: 160,
+              child: IgnorePointer(
+                child: DecoratedBox(
+                  decoration: BoxDecoration(
+                    gradient: LinearGradient(
+                      begin: Alignment.topCenter,
+                      end: Alignment.bottomCenter,
+                      colors: [Colors.transparent, Colors.black54],
+                    ),
+                  ),
+                ),
+              ),
+            ),
+
+            // 播放器
+            VideoPlayerView(
+              controller: widget.pool.controllerAt(widget.slotIndex),
+              coverUrl: widget.item.coverUrl,
+              playing: widget.isCurrent && widget.pool.isCurrentPlaying,
+            ),
+
+            // 双击爱心动画
+            IgnorePointer(child: LikeBurst(trigger: _likeBurstTrigger)),
+
+            // 右侧互动栏
+            Positioned(
+              right: 8,
+              bottom: 96,
+              child: InteractionBar(
+                item: widget.item,
+                onLike: widget.onLike,
+                onFavorite: widget.onFavorite,
+                onComment: widget.onComment,
+                onShare: widget.onShare,
+              ),
+            ),
+
+            // 左下信息区
+            Positioned(
+              left: 12,
+              right: 88,
+              bottom: 24,
+              child: VideoInfoSection(item: widget.item),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}