tweaks

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

lib/common/widgets/loading_widget/http_error.dart

@@ -19,14 +19,8 @@ class HttpError extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    return isSliver
-        ? SliverToBoxAdapter(child: content(context))
-        : SizedBox(width: double.infinity, child: content(context));
-  }
-
-  Widget content(BuildContext context) {
     final theme = Theme.of(context);
-    return Column(
+    final child = Column(
       mainAxisSize: MainAxisSize.min,
       crossAxisAlignment: CrossAxisAlignment.center,
       mainAxisAlignment: MainAxisAlignment.center,
@@ -63,5 +57,9 @@ class HttpError extends StatelessWidget {
           SizedBox(height: 40 + MediaQuery.viewPaddingOf(context).bottom),
       ],
     );
+
+    return isSliver
+        ? SliverToBoxAdapter(child: child)
+        : SizedBox(width: double.infinity, child: child);
   }
 }

lib/common/widgets/loading_widget/loading_widget.dart

@@ -1,17 +1,14 @@
 import 'package:PiliPlus/common/widgets/loading_widget/http_error.dart';
 import 'package:flutter/material.dart';
 
-Widget get loadingWidget => const Center(child: CircularProgressIndicator());
+const Widget circularLoading = Center(child: CircularProgressIndicator());
 
-Widget get linearLoading =>
-    const SliverToBoxAdapter(child: LinearProgressIndicator());
-
-Widget errorWidget({String? errMsg, VoidCallback? onReload}) => HttpError(
-  isSliver: false,
-  errMsg: errMsg,
-  onReload: onReload,
+const Widget linearLoading = SliverToBoxAdapter(
+  child: LinearProgressIndicator(),
 );
 
+const Widget scrollableError = CustomScrollView(slivers: [HttpError()]);
+
 Widget scrollErrorWidget({
   String? errMsg,
   VoidCallback? onReload,