opt persist header

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

lib/common/widgets/custom_sliver_persistent_header_delegate.dart

@@ -1,18 +1,15 @@
-import 'dart:io' show Platform;
-
 import 'package:flutter/material.dart';
+import 'package:flutter/rendering.dart' show RenderProxyBox;
 
 class CustomSliverPersistentHeaderDelegate
     extends SliverPersistentHeaderDelegate {
   const CustomSliverPersistentHeaderDelegate({
     required this.child,
-    required this.bgColor,
-    double extent = 45,
+    this.bgColor,
+    this.extent = 45,
     this.needRebuild = false,
-  }) : _minExtent = extent,
-       _maxExtent = extent;
-  final double _minExtent;
-  final double _maxExtent;
+  });
+  final double extent;
   final Widget child;
   final Color? bgColor;
   final bool needRebuild;
@@ -26,31 +23,16 @@ class CustomSliverPersistentHeaderDelegate
     //创建child子组件
     //shrinkOffset：child偏移值minExtent~maxExtent
     //overlapsContent：SliverPersistentHeader覆盖其他子组件返回true，否则返回false
-    return bgColor != null
-        ? DecoratedBox(
-            decoration: BoxDecoration(
-              color: bgColor,
-              boxShadow: Platform.isIOS
-                  ? null
-                  : [
-                      BoxShadow(
-                        color: bgColor!,
-                        offset: const Offset(0, -1),
-                      ),
-                    ],
-            ),
-            child: child,
-          )
-        : child;
+    return _DecoratedBox(color: bgColor, child: child);
   }
 
   //SliverPersistentHeader最大高度
   @override
-  double get maxExtent => _maxExtent;
+  double get maxExtent => extent;
 
   //SliverPersistentHeader最小高度
   @override
-  double get minExtent => _minExtent;
+  double get minExtent => extent;
 
   @override
   bool shouldRebuild(CustomSliverPersistentHeaderDelegate oldDelegate) {
@@ -58,3 +40,62 @@ class CustomSliverPersistentHeaderDelegate
         (needRebuild && oldDelegate.child != child);
   }
 }
+
+class _DecoratedBox extends SingleChildRenderObjectWidget {
+  const _DecoratedBox({
+    this.color,
+    super.child,
+  });
+
+  final Color? color;
+
+  @override
+  RenderObject createRenderObject(BuildContext context) {
+    return _RenderDecoratedBox(color: color);
+  }
+
+  @override
+  void updateRenderObject(
+    BuildContext context,
+    _RenderDecoratedBox renderObject,
+  ) {
+    renderObject.color = color;
+  }
+}
+
+class _RenderDecoratedBox extends RenderProxyBox {
+  _RenderDecoratedBox({
+    Color? color,
+  }) : _color = color;
+
+  Color? _color;
+  Color? get color => _color;
+  set color(Color? value) {
+    if (_color == value) return;
+    _color = value;
+    markNeedsPaint();
+  }
+
+  @override
+  void paint(PaintingContext context, Offset offset) {
+    if (_color case final color?) {
+      final size = this.size;
+      context.canvas.drawRect(
+        Rect.fromLTWH(
+          offset.dx,
+          offset.dy - 2,
+          size.width,
+          size.height + 2,
+        ),
+        Paint()..color = color,
+      );
+    }
+    super.paint(context, offset);
+  }
+
+  @override
+  bool hitTestSelf(Offset position) => true;
+
+  @override
+  bool get isRepaintBoundary => true;
+}

lib/pages/dynamics_topic/view.dart

@@ -81,13 +81,14 @@ class _DynTopicPageState extends State<DynTopicPage> with DynMixin {
                 return SliverPersistentHeader(
                   pinned: true,
                   delegate: CustomSliverPersistentHeaderDelegate(
-                    extent: 30,
+                    extent: 36,
                     needRebuild: true,
                     bgColor: theme.colorScheme.surface,
                     child: Container(
-                      height: 30,
+                      height: 36,
                       padding: EdgeInsets.only(
                         left: 12 + padding.left,
+                        top: 6,
                         bottom: 6,
                       ),
                       child: Builder(
@@ -101,16 +102,14 @@ class _DynTopicPageState extends State<DynTopicPage> with DynMixin {
                               minHeight: 24,
                             ),
                             tapTargetSize: MaterialTapTargetSize.shrinkWrap,
-                            borderRadius: const BorderRadius.all(
-                              Radius.circular(25),
-                            ),
+                            borderRadius: const .all(.circular(25)),
                             onPressed: (index) {
                               _controller.onSort(allSortBy[index].sortBy!);
                               (context as Element).markNeedsBuild();
                             },
-                            isSelected: allSortBy.map((e) {
-                              return e.sortBy == _controller.sortBy;
-                            }).toList(),
+                            isSelected: allSortBy
+                                .map((e) => e.sortBy == _controller.sortBy)
+                                .toList(),
                             children: allSortBy.map((e) {
                               return Text(
                                 e.sortName!,

lib/pages/live_dm_block/view.dart

@@ -107,7 +107,6 @@ class _LiveDmBlockPageState extends State<LiveDmBlockPage> {
                             delegate: CustomSliverPersistentHeaderDelegate(
                               extent: 48,
                               child: tabBar,
-                              bgColor: null,
                             ),
                           ),
                         ),

lib/pages/member_favorite/view.dart

@@ -160,7 +160,6 @@ class _MemberFavoriteState extends State<MemberFavorite>
                 },
               ),
             ),
-            bgColor: null,
           ),
         ),
         Obx(() {

lib/pages/video/widgets/header_control.dart

@@ -6,7 +6,6 @@ import 'dart:math';
 import 'package:PiliPlus/common/constants.dart';
 import 'package:PiliPlus/common/widgets/button/icon_button.dart';
 import 'package:PiliPlus/common/widgets/custom_icon.dart';
-import 'package:PiliPlus/common/widgets/custom_sliver_persistent_header_delegate.dart';
 import 'package:PiliPlus/common/widgets/dialog/report.dart';
 import 'package:PiliPlus/common/widgets/marquee.dart';
 import 'package:PiliPlus/http/danmaku.dart';
@@ -1580,26 +1579,21 @@ class HeaderControlState extends State<HeaderControl>
     if (ctr == null) return;
     showBottomSheet((context, setState) {
       final theme = Theme.of(context);
-      return Padding(
-        padding: const EdgeInsets.all(12),
-        child: Material(
-          clipBehavior: Clip.hardEdge,
+      return Container(
+        margin: const EdgeInsets.all(12),
+        decoration: BoxDecoration(
           color: theme.colorScheme.surface,
           borderRadius: const BorderRadius.all(Radius.circular(12)),
-          child: CustomScrollView(
-            slivers: [
-              SliverPersistentHeader(
-                pinned: true,
-                delegate: CustomSliverPersistentHeaderDelegate(
-                  child: Container(
+        ),
+        child: Column(
+          children: [
+            Container(
               height: 45,
               padding: const EdgeInsets.symmetric(horizontal: 14),
               decoration: BoxDecoration(
                 border: Border(
                   bottom: BorderSide(
-                          color: theme.colorScheme.outline.withValues(
-                            alpha: 0.1,
-                          ),
+                    color: theme.colorScheme.outline.withValues(alpha: 0.1),
                   ),
                 ),
               ),
@@ -1614,16 +1608,27 @@ class HeaderControlState extends State<HeaderControl>
                 ],
               ),
             ),
-                  bgColor: theme.colorScheme.surface,
-                ),
+            Expanded(
+              child: Material(
+                type: .transparency,
+                clipBehavior: .hardEdge,
+                borderRadius: const BorderRadius.vertical(
+                  bottom: Radius.circular(12),
                 ),
+                child: CustomScrollView(
+                  slivers: [
                     ?_buildDanmakuList(ctr.staticDanmaku.nonNulls.toList()),
-              ?_buildDanmakuList(ctr.scrollDanmaku.expand((e) => e).toList()),
+                    ?_buildDanmakuList(
+                      ctr.scrollDanmaku.expand((e) => e).toList(),
+                    ),
                     ?_buildDanmakuList(ctr.specialDanmaku.toList()),
                     const SliverToBoxAdapter(child: SizedBox(height: 12)),
                   ],
                 ),
               ),
+            ),
+          ],
+        ),
       );
     });
   }