opt scroll physics

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

lib/common/skeleton/dynamic_card.dart

@@ -1,8 +1,14 @@
 import 'package:PiliPlus/utils/global_data.dart';
 import 'package:flutter/material.dart';
 
-class DynamicCardSkeleton extends StatelessWidget {
-  const DynamicCardSkeleton({super.key});
+const _ = _DynamicCardSkeleton();
+const dynSkeleton_ = SliverList(delegate: dynDelegate);
+const dynDelegate = SliverChildListDelegate.fixed(
+  [_, _, _, _, _, _, _, _, _, _],
+);
+
+class _DynamicCardSkeleton extends StatelessWidget {
+  const _DynamicCardSkeleton();
 
   @override
   Widget build(BuildContext context) {

lib/common/skeleton/fav_pgc_item.dart

@@ -1,8 +1,13 @@
 import 'package:PiliPlus/common/style.dart';
 import 'package:flutter/material.dart';
 
-class FavPgcItemSkeleton extends StatelessWidget {
-  const FavPgcItemSkeleton({super.key});
+const _ = _FavPgcItemSkeleton();
+const favPgcDelegate = SliverChildListDelegate.fixed(
+  [_, _, _, _, _, _, _, _, _, _],
+);
+
+class _FavPgcItemSkeleton extends StatelessWidget {
+  const _FavPgcItemSkeleton();
 
   @override
   Widget build(BuildContext context) {

lib/common/skeleton/media_bangumi.dart

@@ -1,6 +1,11 @@
 import 'package:PiliPlus/common/style.dart';
 import 'package:flutter/material.dart';
 
+const _ = MediaPgcSkeleton();
+const pgcDelegate = SliverChildListDelegate.fixed(
+  [_, _, _, _, _, _, _, _, _, _],
+);
+
 class MediaPgcSkeleton extends StatefulWidget {
   const MediaPgcSkeleton({super.key});
 

lib/common/skeleton/msg_feed_sys_msg_.dart

@@ -1,7 +1,14 @@
 import 'package:flutter/material.dart';
 
-class MsgFeedSysMsgSkeleton extends StatelessWidget {
-  const MsgFeedSysMsgSkeleton({super.key});
+const _ = _MsgFeedSysMsgSkeleton();
+const sysMsgSkeleton = SliverList(
+  delegate: SliverChildListDelegate.fixed(
+    [_, _, _, _, _, _, _, _, _, _],
+  ),
+);
+
+class _MsgFeedSysMsgSkeleton extends StatelessWidget {
+  const _MsgFeedSysMsgSkeleton();
 
   @override
   Widget build(BuildContext context) {

lib/common/skeleton/msg_feed_top.dart

@@ -1,7 +1,13 @@
 import 'package:flutter/material.dart';
 
-class MsgFeedTopSkeleton extends StatelessWidget {
-  const MsgFeedTopSkeleton({super.key});
+const _ = _MsgFeedTopSkeleton();
+const sysFeedSkeleton = SliverList(delegate: sysFeedDelegate);
+const sysFeedDelegate = SliverChildListDelegate.fixed(
+  [_, _, _, _, _, _, _, _, _, _],
+);
+
+class _MsgFeedTopSkeleton extends StatelessWidget {
+  const _MsgFeedTopSkeleton();
 
   @override
   Widget build(BuildContext context) {

lib/common/skeleton/space_opus.dart

@@ -1,8 +1,13 @@
 import 'package:PiliPlus/utils/utils.dart';
 import 'package:flutter/material.dart';
 
-class SpaceOpusSkeleton extends StatelessWidget {
-  const SpaceOpusSkeleton({super.key});
+const _ = _SpaceOpusSkeleton();
+const opusDelegate = SliverChildListDelegate.fixed(
+  [_, _, _, _, _, _, _, _, _, _],
+);
+
+class _SpaceOpusSkeleton extends StatelessWidget {
+  const _SpaceOpusSkeleton();
 
   @override
   Widget build(BuildContext context) {

lib/common/skeleton/video_card_h.dart

@@ -1,8 +1,13 @@
 import 'package:PiliPlus/common/style.dart';
 import 'package:flutter/material.dart';
 
-class VideoCardHSkeleton extends StatelessWidget {
-  const VideoCardHSkeleton({super.key});
+const _ = _VideoCardHSkeleton();
+const videoHDelegate = SliverChildListDelegate.fixed(
+  [_, _, _, _, _, _, _, _, _, _],
+);
+
+class _VideoCardHSkeleton extends StatelessWidget {
+  const _VideoCardHSkeleton();
 
   @override
   Widget build(BuildContext context) {

lib/common/skeleton/video_card_v.dart

@@ -1,8 +1,13 @@
 import 'package:PiliPlus/common/style.dart';
 import 'package:flutter/material.dart';
 
-class VideoCardVSkeleton extends StatelessWidget {
-  const VideoCardVSkeleton({super.key});
+const _ = _VideoCardVSkeleton();
+const videoVDelegate = SliverChildListDelegate.fixed(
+  [_, _, _, _, _, _, _, _, _, _],
+);
+
+class _VideoCardVSkeleton extends StatelessWidget {
+  const _VideoCardVSkeleton();
 
   @override
   Widget build(BuildContext context) {

lib/common/skeleton/video_reply.dart

@@ -1,7 +1,12 @@
 import 'package:flutter/material.dart';
 
-class VideoReplySkeleton extends StatelessWidget {
-  const VideoReplySkeleton({super.key});
+const _ = _VideoReplySkeleton();
+const replySkeleton = SliverList(
+  delegate: SliverChildListDelegate.fixed([_, _, _, _, _]),
+);
+
+class _VideoReplySkeleton extends StatelessWidget {
+  const _VideoReplySkeleton();
 
   @override
   Widget build(BuildContext context) {

lib/common/skeleton/whisper_item.dart

@@ -1,7 +1,14 @@
 import 'package:flutter/material.dart';
 
-class WhisperItemSkeleton extends StatelessWidget {
-  const WhisperItemSkeleton({super.key});
+const _ = _WhisperItemSkeleton();
+const whisperSkeleton = SliverList(
+  delegate: SliverChildListDelegate.fixed(
+    [_, _, _, _, _, _, _, _, _, _],
+  ),
+);
+
+class _WhisperItemSkeleton extends StatelessWidget {
+  const _WhisperItemSkeleton();
 
   @override
   Widget build(BuildContext context) {

lib/common/widgets/flutter/refresh_indicator.dart

@@ -551,7 +551,7 @@ class RefreshIndicatorState extends State<RefreshIndicator>
     return ScrollConfiguration(
       behavior: RefreshScrollBehavior(
         scrollPhysics: RefreshScrollPhysics(
-          parent: const RangeMaintainingScrollPhysics(),
+          // parent: const RangeMaintainingScrollPhysics(),
           onDrag: _onDrag,
         ),
       ),

lib/common/widgets/scroll_behavior.dart

@@ -3,6 +3,10 @@ import 'dart:io' show Platform;
 import 'package:flutter/gestures.dart' show PointerDeviceKind;
 import 'package:flutter/material.dart';
 
+const _clampingPhysics = ClampingScrollPhysics();
+const _bouncingPhysics = BouncingScrollPhysics();
+const _bouncingDesktopPhysics = BouncingScrollPhysics(decelerationRate: .fast);
+
 class CustomScrollBehavior extends MaterialScrollBehavior {
   const CustomScrollBehavior();
 
@@ -29,6 +33,17 @@ class CustomScrollBehavior extends MaterialScrollBehavior {
     return child;
   }
 
+  @override
+  ScrollPhysics getScrollPhysics(BuildContext context) {
+    if (Platform.isIOS) {
+      return _bouncingPhysics;
+    }
+    if (Platform.isMacOS) {
+      return _bouncingDesktopPhysics;
+    }
+    return _clampingPhysics;
+  }
+
   @override
   Set<PointerDeviceKind> get dragDevices => desktopDragDevices;
 }