refix: #779 (#816)

* Revert "fix: #779"

This reverts commit ddf7d82656.

* refix #779

lib/pages/common/common_controller.dart

@@ -2,6 +2,7 @@ import 'dart:async';
 
 import 'package:PiliPlus/http/loading_state.dart';
 import 'package:PiliPlus/utils/extension.dart';
+import 'package:easy_debounce/easy_throttle.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
 
@@ -11,6 +12,17 @@ abstract mixin class ScrollOrRefreshMixin {
   void animateToTop() => scrollController.animToTop();
 
   Future<void> onRefresh();
+
+  void toTopOrRefresh() {
+    if (scrollController.hasClients) {
+      if (scrollController.position.pixels == 0) {
+        EasyThrottle.throttle(
+            'topOrRefresh', const Duration(milliseconds: 500), onRefresh);
+      } else {
+        animateToTop();
+      }
+    }
+  }
 }
 
 abstract class CommonController<R, T> extends GetxController