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

lib/pages/dynamics/controller.dart

@@ -10,6 +10,7 @@ import 'package:PiliPlus/pages/dynamics_tab/controller.dart';
 import 'package:PiliPlus/pages/dynamics_tab/view.dart';
 import 'package:PiliPlus/utils/extension.dart';
 import 'package:PiliPlus/utils/storage.dart';
+import 'package:easy_debounce/easy_throttle.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
 import 'package:get/get.dart';
@@ -190,6 +191,25 @@ class DynamicsController extends GetxController
     scrollController.animToTop();
   }
 
+  @override
+  void toTopOrRefresh() {
+    final ctr = controller;
+    if (ctr.scrollController.hasClients) {
+      if (ctr.scrollController.position.pixels == 0) {
+        if (scrollController.hasClients &&
+            scrollController.position.pixels != 0) {
+          scrollController.animToTop();
+        }
+        EasyThrottle.throttle(
+            'topOrRefresh', const Duration(milliseconds: 500), onRefresh);
+      } else {
+        animateToTop();
+      }
+    } else {
+      super.toTopOrRefresh();
+    }
+  }
+
   @override
   void onClose() {
     tabController.dispose();

lib/pages/main/view.dart

@@ -156,9 +156,9 @@ class _MainAppState extends State<MainApp>
         });
       } else {
         if (currentPage is HomePage) {
-          _homeController.animateToTop();
+          _homeController.toTopOrRefresh();
         } else if (currentPage is DynamicsPage) {
-          _dynamicController.animateToTop();
+          _dynamicController.toTopOrRefresh();
         }
       }
       _lastSelectTime = now;