初始化

2026-09-15 15:44:13 +07:00
commit a23ba685e9
1065 changed files with 101122 additions and 0 deletions
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+import 'package:flutter/material.dart';
+import 'package:get/get.dart';
+import 'package:hgdj/hj_page/drama/drama_feed_logic.dart';
+import 'package:hgdj/hj_page/drama/view/drama_video_player.dart';
+import 'package:hgdj/tools_base/loading/loading_center_widget.dart';
+import 'package:hgdj/tools_base/unique_tag_mixin.dart';
+
+/// AI短剧信息流页：竖划一部换一部，每条播该剧第 1 集
+class DramaFeedPage extends StatefulWidget {
+  final TabController? superTabCtr;
+  final int? tabIndex;
+
+  const DramaFeedPage({super.key, this.superTabCtr, this.tabIndex});
+
+  @override
+  State<DramaFeedPage> createState() => _DramaFeedPageState();
+}
+
+class _DramaFeedPageState extends State<DramaFeedPage> with UniqueTagMixin {
+  @override
+  Widget build(BuildContext context) {
+    return GetBuilder<DramaFeedLogic>(
+      tag: uniqueTag, // 多 tab 并存，按实例隔离
+      init: DramaFeedLogic(
+          superTabCtr: widget.superTabCtr, tabIndex: widget.tabIndex),
+      builder: (logic) {
+        final Widget content;
+        if (!logic.isFirstLoaded) {
+          content = const LoadingCenterWidget();
+        } else if (logic.list?.isNotEmpty != true) {
+          content = CErrorWidget(retryOnTap: () => logic.loadData());
+        } else {
+          content = _buildFeed(logic);
+        }
+        return Material(color: Colors.transparent, child: content);
+      },
+    );
+  }
+
+  /// 信息流局部刷新：当前页变化时只 update([idFeed])，各 item 重算 isCurrentPage
+  Widget _buildFeed(DramaFeedLogic logic) {
+    return RefreshIndicator(
+      onRefresh: () => logic.loadData(),
+      child: GetBuilder<DramaFeedLogic>(
+        tag: uniqueTag,
+        id: DramaFeedLogic.idFeed,
+        // 上下滑动开始/结束 → 切换 isScrolling，各播放器据此隐藏/显示进度条
+        builder: (logic) => NotificationListener<ScrollNotification>(
+          onNotification: (n) {
+            if (n is ScrollStartNotification) {
+              logic.isScrolling.value = true;
+            } else if (n is ScrollEndNotification) {
+              logic.isScrolling.value = false;
+            }
+            return false;
+          },
+          child: PageView.builder(
+            onPageChanged: logic.onPageChanged,
+            physics: const ClampingScrollPhysics(),
+            controller: logic.pageCtr,
+            scrollDirection: Axis.vertical,
+            allowImplicitScrolling: true,
+            itemCount: logic.list?.length ?? 0,
+            itemBuilder: (context, index) {
+              final video = logic.list![index];
+              //推荐流不去重，同一部剧会反复下发，光用剧 id 会撞 key(PageView 直接抛 Duplicate keys)；
+              //带上下标才唯一。也不能只用下标——下拉刷新后同一个位置换了别的剧，
+              //key 不变 PageView 就会复用 State，播放器不重建，播的还是上一部
+              return DramaVideoPlayer(
+                key: ValueKey('${video.dramaInfo?.id ?? ''}#$index'),
+                index: index,
+                isCurrentPage: logic.pageIndex == index,
+                videoInfo: video,
+                isScrolling: logic.isScrolling,
+              );
+            },
+          ),
+        ),
+      ),
+    );
+  }
+}