mod: common slide page

Signed-off-by: bggRGjQaUbCoE <githubaccount56556@proton.me>

lib/pages/common/common_collapse_slide_page.dart

@@ -0,0 +1,37 @@
+import 'package:PiliPlus/pages/common/common_slide_page.dart';
+import 'package:PiliPlus/utils/storage.dart';
+import 'package:flutter/material.dart';
+
+abstract class CommonCollapseSlidePage extends CommonSlidePage {
+  const CommonCollapseSlidePage({super.key, super.enableSlide});
+}
+
+abstract class CommonCollapseSlidePageState<T extends CommonCollapseSlidePage>
+    extends CommonSlidePageState<T> {
+  late bool _isInit = true;
+
+  @override
+  void initState() {
+    super.initState();
+    if (enableSlide && GStorage.collapsibleVideoPage) {
+      WidgetsBinding.instance.addPostFrameCallback((_) {
+        if (mounted) {
+          setState(() {
+            _isInit = false;
+          });
+        }
+      });
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    if (enableSlide && GStorage.collapsibleVideoPage && _isInit) {
+      return CustomScrollView(
+        physics: const NeverScrollableScrollPhysics(),
+      );
+    }
+
+    return super.build(context);
+  }
+}