opt: vertical video layout

lib/pages/video/detail/controller.dart

@@ -125,6 +125,8 @@ class VideoDetailController extends GetxController
   RxInt watchLaterCount = 0.obs;
   List<SegmentDataModel> skipSegments = <SegmentDataModel>[];
   int? lastPosition;
+  // 默认屏幕方向
+  RxString videoDirection = 'horizontal'.obs;
 
   @override
   void onInit() {
@@ -283,6 +285,10 @@ class VideoDetailController extends GetxController
     } else {
       ScreenBrightness().resetScreenBrightness();
     }
+    videoDirection.value = (firstVideo.width != null &&
+            firstVideo.height != null)
+        ? (firstVideo.width! > firstVideo.height! ? 'horizontal' : 'vertical')
+        : 'horizontal';
     await plPlayerController.setDataSource(
       DataSource(
         videoSource: video ?? videoUrl,
@@ -299,11 +305,7 @@ class VideoDetailController extends GetxController
       seekTo: seekToTime ?? defaultST,
       duration: duration ?? Duration(milliseconds: data.timeLength ?? 0),
       // 宽>高 水平 否则 垂直
-      direction: firstVideo.width != null && firstVideo.height != null
-          ? ((firstVideo.width! - firstVideo.height!) > 0
-              ? 'horizontal'
-              : 'vertical')
-          : null,
+      direction: videoDirection.value,
       bvid: bvid,
       cid: cid.value,
       enableHeart: enableHeart,

lib/pages/video/detail/view.dart

@@ -221,9 +221,15 @@ class _VideoDetailPageState extends State<VideoDetailPage>
   // _extendNestCtr监听
   void _extendNestCtrListener() {
     final double offset = _extendNestCtr.position.pixels;
-    vdCtr.sheetHeight.value =
-        Get.size.height - videoHeight - statusBarHeight + offset;
-    appbarStream.add(offset);
+    if (vdCtr.videoDirection.value == 'horizontal') {
+      vdCtr.sheetHeight.value =
+          Get.size.height - videoHeight - statusBarHeight + offset;
+      appbarStream.add(offset);
+    } else {
+      if (offset > (Get.size.width * 22 / 16 - videoHeight)) {
+        appbarStream.add(offset - (Get.size.width * 22 / 16 - videoHeight));
+      }
+    }
   }
 
   @override
@@ -501,6 +507,12 @@ class _VideoDetailPageState extends State<VideoDetailPage>
     final double pinnedHeaderHeight =
         statusBarHeight + kToolbarHeight + videoHeight.value;
     // ignore: no_leading_underscores_for_local_identifiers
+    vdCtr.videoDirection.listen((p0) {
+      if (p0 == 'vertical') {
+        defaultVideoHeight = sizeContext.width * 22 / 16;
+        videoHeight.value = sizeContext.width * 22 / 16;
+      }
+    });
 
     // 竖屏
     final bool isPortrait = _context.orientation == Orientation.portrait;