💄 Post list skeleton

lib/screens/explore.dart

@@ -26,6 +26,7 @@ import 'package:island/widgets/navigation/fab_menu.dart';
 import 'package:island/widgets/paging/pagination_list.dart';
 import 'package:island/widgets/post/post_featured.dart';
 import 'package:island/widgets/post/post_item.dart';
+import 'package:island/widgets/post/post_item_skeleton.dart';
 import 'package:material_symbols_icons/symbols.dart';
 import 'package:island/widgets/realm/realm_card.dart';
 import 'package:island/widgets/publisher/publisher_card.dart';
@@ -137,8 +138,7 @@ class ExploreScreen extends HookConsumerWidget {
                 ),
                 tooltip: 'explore'.tr(),
                 isSelected: currentFilter.value == null,
-                color:
+                color: currentFilter.value == null
-                    currentFilter.value == null
                     ? Theme.of(context).colorScheme.primary
                     : null,
               ),
@@ -150,8 +150,7 @@ class ExploreScreen extends HookConsumerWidget {
                 ),
                 tooltip: 'exploreFilterSubscriptions'.tr(),
                 isSelected: currentFilter.value == 'subscriptions',
-                color:
+                color: currentFilter.value == 'subscriptions'
-                    currentFilter.value == 'subscriptions'
                     ? Theme.of(context).colorScheme.primary
                     : null,
               ),
@@ -163,8 +162,7 @@ class ExploreScreen extends HookConsumerWidget {
                 ),
                 tooltip: 'exploreFilterFriends'.tr(),
                 isSelected: currentFilter.value == 'friends',
-                color:
+                color: currentFilter.value == 'friends'
-                    currentFilter.value == 'friends'
                     ? Theme.of(context).colorScheme.primary
                     : null,
               ),
@@ -179,8 +177,7 @@ class ExploreScreen extends HookConsumerWidget {
             tooltip: 'webArticlesStand'.tr(),
           ),
           PopupMenuButton(
-            itemBuilder:
+            itemBuilder: (context) => [
-                (context) => [
               PopupMenuItem(
                 child: Row(
                   children: [
@@ -237,8 +234,7 @@ class ExploreScreen extends HookConsumerWidget {
       ).padding(horizontal: 8, vertical: 4),
     );
 
-    final appBar =
+    final appBar = isWide
-        isWide
         ? null
         : _buildAppBar(currentFilter.value, handleFilterChange, context);
 
@@ -263,8 +259,7 @@ class ExploreScreen extends HookConsumerWidget {
           AppScaffold(
             isNoBackground: false,
             appBar: appBar,
-            body:
+            body: isWide
-                isWide
                 ? _buildWideBody(
                     context,
                     ref,
@@ -295,9 +290,8 @@ class ExploreScreen extends HookConsumerWidget {
                       const Gap(16),
                       Text(
                         'dropToShare'.tr(),
-                        style: Theme.of(
+                        style: Theme.of(context).textTheme.headlineMedium
-                          context,
+                            ?.copyWith(
-                        ).textTheme.headlineMedium?.copyWith(
                               color: Theme.of(context).colorScheme.primary,
                               fontWeight: FontWeight.bold,
                             ),
@@ -321,8 +315,8 @@ class ExploreScreen extends HookConsumerWidget {
       // Sliver list cannot provide refresh handled by the pagination list
       isRefreshable: false,
       isSliver: true,
-      contentBuilder:
+      footerSkeletonChild: const PostItemSkeleton(),
-          (data, footer) =>
+      contentBuilder: (data, footer) =>
           _ActivityListView(data: data, isWide: isWide, footer: footer),
     );
   }
@@ -393,8 +387,7 @@ class ExploreScreen extends HookConsumerWidget {
         else
           Flexible(
             flex: 2,
-            child:
+            child: Column(
-                Column(
               mainAxisAlignment: MainAxisAlignment.center,
               crossAxisAlignment: CrossAxisAlignment.center,
               children: [
@@ -491,8 +484,7 @@ class ExploreScreen extends HookConsumerWidget {
               tooltip: 'webArticlesStand'.tr(),
             ),
             PopupMenuButton(
-              itemBuilder:
+              itemBuilder: (context) => [
-                  (context) => [
                 PopupMenuItem(
                   child: Row(
                     children: [

lib/widgets/paging/pagination_list.dart

@@ -21,6 +21,7 @@ class PaginationList<T> extends HookConsumerWidget {
   final bool isSliver;
   final bool showDefaultWidgets;
   final EdgeInsets? padding;
+  final Widget? footerSkeletonChild;
   const PaginationList({
     super.key,
     required this.provider,
@@ -30,6 +31,7 @@ class PaginationList<T> extends HookConsumerWidget {
     this.isSliver = false,
     this.showDefaultWidgets = true,
     this.padding,
+    this.footerSkeletonChild,
   });
 
   @override
@@ -55,7 +57,11 @@ class PaginationList<T> extends HookConsumerWidget {
             itemCount: (data.value?.length ?? 0) + 1,
             itemBuilder: (context, idx) {
               if (idx == data.value?.length) {
-                return PaginationListFooter(noti: noti, data: data);
+                return PaginationListFooter(
+                  noti: noti,
+                  data: data,
+                  skeletonChild: footerSkeletonChild,
+                );
               }
               final entry = data.value?[idx];
               if (entry != null) return itemBuilder(context, idx, entry);
@@ -67,7 +73,11 @@ class PaginationList<T> extends HookConsumerWidget {
             itemCount: (data.value?.length ?? 0) + 1,
             itemBuilder: (context, idx) {
               if (idx == data.value?.length) {
-                return PaginationListFooter(noti: noti, data: data);
+                return PaginationListFooter(
+                  noti: noti,
+                  data: data,
+                  skeletonChild: footerSkeletonChild,
+                );
               }
               final entry = data.value?[idx];
               if (entry != null) return itemBuilder(context, idx, entry);
@@ -88,6 +98,7 @@ class PaginationWidget<T> extends HookConsumerWidget {
   final bool isRefreshable;
   final bool isSliver;
   final bool showDefaultWidgets;
+  final Widget? footerSkeletonChild;
   const PaginationWidget({
     super.key,
     required this.provider,
@@ -96,6 +107,7 @@ class PaginationWidget<T> extends HookConsumerWidget {
     this.isRefreshable = true,
     this.isSliver = false,
     this.showDefaultWidgets = true,
+    this.footerSkeletonChild,
   });
 
   @override
@@ -116,7 +128,11 @@ class PaginationWidget<T> extends HookConsumerWidget {
       return isSliver ? SliverFillRemaining(child: content) : content;
     }
 
-    final footer = PaginationListFooter(noti: noti, data: data);
+    final footer = PaginationListFooter(
+      noti: noti,
+      data: data,
+      skeletonChild: footerSkeletonChild,
+    );
     final content = contentBuilder(data.value ?? [], footer);
 
     return isRefreshable
@@ -153,10 +169,7 @@ class PaginationListFooter<T> extends HookConsumerWidget {
             trailing: const Icon(Icons.ac_unit),
           ),
     );
-    final child = SizedBox(
+    final child = hasBeenVisible.value
-      height: 64,
-      child: Center(
-        child: hasBeenVisible.value
         ? data.isLoading
               ? placeholder
               : Row(
@@ -166,10 +179,8 @@ class PaginationListFooter<T> extends HookConsumerWidget {
                     const Icon(Symbols.close, size: 16),
                     Text('noFurtherData').tr().fontSize(13),
                   ],
-                    ).opacity(0.9)
+                ).opacity(0.9).height(64).center()
-            : placeholder,
+        : placeholder;
-      ).padding(all: 8),
-    );
 
     return VisibilityDetector(
       key: Key("pagination-list-${noti.hashCode}"),

lib/widgets/post/post_item_skeleton.dart

@@ -0,0 +1,427 @@
+import 'package:flutter/material.dart';
+import 'package:gap/gap.dart';
+import 'package:skeletonizer/skeletonizer.dart';
+import 'package:styled_widget/styled_widget.dart';
+
+class PostItemSkeleton extends StatelessWidget {
+  final EdgeInsets? padding;
+  final bool isFullPost;
+  final bool isShowReference;
+  final bool isEmbedReply;
+  final bool isCompact;
+  final double? borderRadius;
+
+  const PostItemSkeleton({
+    super.key,
+    this.padding,
+    this.isFullPost = false,
+    this.isShowReference = false,
+    this.isEmbedReply = false,
+    this.isCompact = false,
+    this.borderRadius,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    final renderingPadding =
+        padding ?? const EdgeInsets.symmetric(horizontal: 8, vertical: 8);
+
+    return Column(
+      mainAxisSize: MainAxisSize.min,
+      crossAxisAlignment: CrossAxisAlignment.start,
+      children: [
+        Gap(renderingPadding.vertical),
+        _PostHeaderSkeleton(
+          isFullPost: isFullPost,
+          isCompact: isCompact,
+          renderingPadding: renderingPadding,
+        ),
+        _PostBodySkeleton(
+          isFullPost: isFullPost,
+          renderingPadding: renderingPadding,
+        ),
+        if (isShowReference)
+          _ReferencedPostWidgetSkeleton(renderingPadding: renderingPadding),
+        if (isEmbedReply)
+          _PostReplyPreviewSkeleton(
+            renderingPadding: renderingPadding,
+          ).padding(horizontal: renderingPadding.horizontal, top: 8),
+        Gap(renderingPadding.vertical),
+      ],
+    );
+  }
+}
+
+class _PostHeaderSkeleton extends StatelessWidget {
+  final bool isFullPost;
+  final bool isCompact;
+  final EdgeInsets renderingPadding;
+
+  const _PostHeaderSkeleton({
+    required this.isFullPost,
+    required this.isCompact,
+    required this.renderingPadding,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return Skeletonizer(
+      enabled: true,
+      child: Column(
+        children: [
+          Row(
+            crossAxisAlignment: CrossAxisAlignment.center,
+            spacing: 12,
+            children: [
+              // Profile picture skeleton
+              Container(
+                width: 32,
+                height: 32,
+                decoration: BoxDecoration(
+                  color: Theme.of(context).colorScheme.surfaceContainer,
+                  shape: BoxShape.circle,
+                ),
+              ),
+              Expanded(
+                child: Column(
+                  mainAxisSize: MainAxisSize.min,
+                  crossAxisAlignment: CrossAxisAlignment.start,
+                  children: [
+                    Row(
+                      crossAxisAlignment: CrossAxisAlignment.center,
+                      spacing: 4,
+                      children: [
+                        // Name skeleton
+                        Container(
+                          height: 16,
+                          width: 120,
+                          decoration: BoxDecoration(
+                            color: Theme.of(
+                              context,
+                            ).colorScheme.surfaceContainer,
+                            borderRadius: BorderRadius.circular(4),
+                          ),
+                        ),
+                        if (!isCompact)
+                          Container(
+                            height: 12,
+                            width: 80,
+                            margin: const EdgeInsets.only(left: 4),
+                            decoration: BoxDecoration(
+                              color: Theme.of(
+                                context,
+                              ).colorScheme.surfaceContainer,
+                              borderRadius: BorderRadius.circular(4),
+                            ),
+                          ),
+                      ],
+                    ),
+                    const Gap(4),
+                    // Timestamp skeleton
+                    Container(
+                      height: 12,
+                      width: 60,
+                      decoration: BoxDecoration(
+                        color: Theme.of(context).colorScheme.surfaceContainer,
+                        borderRadius: BorderRadius.circular(4),
+                      ),
+                    ),
+                  ],
+                ),
+              ),
+              // Reaction button skeleton
+              if (!isCompact)
+                Container(
+                  width: 36,
+                  height: 36,
+                  decoration: BoxDecoration(
+                    color: Theme.of(context).colorScheme.surfaceContainer,
+                    borderRadius: BorderRadius.circular(18),
+                  ),
+                ),
+            ],
+          ),
+        ],
+      ).padding(horizontal: renderingPadding.horizontal, bottom: 4),
+    );
+  }
+}
+
+class _PostBodySkeleton extends StatelessWidget {
+  final bool isFullPost;
+  final EdgeInsets renderingPadding;
+
+  const _PostBodySkeleton({
+    required this.isFullPost,
+    required this.renderingPadding,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return Skeletonizer(
+      enabled: true,
+      child: Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          // Title skeleton (if applicable)
+          if (isFullPost)
+            Container(
+              height: 20,
+              width: 200,
+              margin: EdgeInsets.only(
+                left: renderingPadding.horizontal,
+                right: renderingPadding.horizontal,
+                bottom: 8,
+              ),
+              decoration: BoxDecoration(
+                color: Theme.of(context).colorScheme.surfaceContainer,
+                borderRadius: BorderRadius.circular(4),
+              ),
+            ),
+          // Content skeleton
+          Container(
+            height: 16,
+            margin: EdgeInsets.only(
+              left: renderingPadding.horizontal,
+              right: renderingPadding.horizontal,
+              bottom: 4,
+            ),
+            decoration: BoxDecoration(
+              color: Theme.of(context).colorScheme.surfaceContainer,
+              borderRadius: BorderRadius.circular(4),
+            ),
+          ),
+          Container(
+            height: 16,
+            width: 250,
+            margin: EdgeInsets.only(
+              left: renderingPadding.horizontal,
+              right: renderingPadding.horizontal,
+              bottom: 4,
+            ),
+            decoration: BoxDecoration(
+              color: Theme.of(context).colorScheme.surfaceContainer,
+              borderRadius: BorderRadius.circular(4),
+            ),
+          ),
+          Container(
+            height: 16,
+            width: 180,
+            margin: EdgeInsets.only(
+              left: renderingPadding.horizontal,
+              right: renderingPadding.horizontal,
+              bottom: 8,
+            ),
+            decoration: BoxDecoration(
+              color: Theme.of(context).colorScheme.surfaceContainer,
+              borderRadius: BorderRadius.circular(4),
+            ),
+          ),
+          // Metadata skeleton
+          Row(
+            spacing: 8,
+            children: [
+              Container(
+                width: 16,
+                height: 16,
+                decoration: BoxDecoration(
+                  color: Theme.of(context).colorScheme.surfaceContainer,
+                  borderRadius: BorderRadius.circular(8),
+                ),
+              ),
+              Container(
+                height: 12,
+                width: 80,
+                decoration: BoxDecoration(
+                  color: Theme.of(context).colorScheme.surfaceContainer,
+                  borderRadius: BorderRadius.circular(4),
+                ),
+              ),
+            ],
+          ).padding(horizontal: renderingPadding.horizontal + 4, top: 4),
+        ],
+      ),
+    );
+  }
+}
+
+class _ReferencedPostWidgetSkeleton extends StatelessWidget {
+  final EdgeInsets renderingPadding;
+
+  const _ReferencedPostWidgetSkeleton({required this.renderingPadding});
+
+  @override
+  Widget build(BuildContext context) {
+    return Skeletonizer(
+      enabled: true,
+      child: Container(
+        padding: EdgeInsets.symmetric(
+          horizontal: renderingPadding.horizontal,
+          vertical: 8,
+        ),
+        margin: EdgeInsets.only(
+          top: 8,
+          left: renderingPadding.vertical,
+          right: renderingPadding.vertical,
+        ),
+        decoration: BoxDecoration(
+          color: Theme.of(context).colorScheme.surfaceVariant.withOpacity(0.5),
+          borderRadius: BorderRadius.circular(12),
+          border: Border.all(
+            color: Theme.of(context).dividerColor.withOpacity(0.5),
+          ),
+        ),
+        child: Column(
+          crossAxisAlignment: CrossAxisAlignment.start,
+          children: [
+            Row(
+              children: [
+                Container(
+                  width: 16,
+                  height: 16,
+                  decoration: BoxDecoration(
+                    color: Theme.of(context).colorScheme.surfaceContainer,
+                    borderRadius: BorderRadius.circular(8),
+                  ),
+                ),
+                const SizedBox(width: 6),
+                Container(
+                  height: 12,
+                  width: 60,
+                  decoration: BoxDecoration(
+                    color: Theme.of(context).colorScheme.surfaceContainer,
+                    borderRadius: BorderRadius.circular(4),
+                  ),
+                ),
+              ],
+            ),
+            const SizedBox(height: 8),
+            Row(
+              crossAxisAlignment: CrossAxisAlignment.start,
+              children: [
+                Container(
+                  width: 32,
+                  height: 32,
+                  decoration: BoxDecoration(
+                    color: Theme.of(context).colorScheme.surfaceContainer,
+                    shape: BoxShape.circle,
+                  ),
+                ),
+                const SizedBox(width: 8),
+                Expanded(
+                  child: Column(
+                    crossAxisAlignment: CrossAxisAlignment.start,
+                    children: [
+                      Container(
+                        height: 14,
+                        width: 100,
+                        decoration: BoxDecoration(
+                          color: Theme.of(context).colorScheme.surfaceContainer,
+                          borderRadius: BorderRadius.circular(4),
+                        ),
+                      ),
+                      const SizedBox(height: 4),
+                      Container(
+                        height: 12,
+                        width: 150,
+                        decoration: BoxDecoration(
+                          color: Theme.of(context).colorScheme.surfaceContainer,
+                          borderRadius: BorderRadius.circular(4),
+                        ),
+                      ),
+                      const SizedBox(height: 4),
+                      Container(
+                        height: 12,
+                        width: 120,
+                        decoration: BoxDecoration(
+                          color: Theme.of(context).colorScheme.surfaceContainer,
+                          borderRadius: BorderRadius.circular(4),
+                        ),
+                      ),
+                    ],
+                  ),
+                ),
+              ],
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}
+
+class _PostReplyPreviewSkeleton extends StatelessWidget {
+  final EdgeInsets renderingPadding;
+
+  const _PostReplyPreviewSkeleton({required this.renderingPadding});
+
+  @override
+  Widget build(BuildContext context) {
+    return Skeletonizer(
+      enabled: true,
+      child: Container(
+        padding: EdgeInsets.symmetric(horizontal: 16, vertical: 12),
+        decoration: BoxDecoration(
+          color: Theme.of(context).colorScheme.surfaceContainerLow,
+          border: Border.all(
+            color: Theme.of(context).dividerColor.withOpacity(0.5),
+          ),
+          borderRadius: const BorderRadius.all(Radius.circular(8)),
+        ),
+        child: Column(
+          crossAxisAlignment: CrossAxisAlignment.stretch,
+          spacing: 4,
+          children: [
+            Container(
+              height: 14,
+              width: 80,
+              decoration: BoxDecoration(
+                color: Theme.of(context).colorScheme.surfaceContainer,
+                borderRadius: BorderRadius.circular(4),
+              ),
+            ),
+            const Gap(8),
+            Row(
+              crossAxisAlignment: CrossAxisAlignment.start,
+              spacing: 8,
+              children: [
+                Container(
+                  width: 24,
+                  height: 24,
+                  decoration: BoxDecoration(
+                    color: Theme.of(context).colorScheme.surfaceContainer,
+                    shape: BoxShape.circle,
+                  ),
+                ),
+                Expanded(
+                  child: Column(
+                    crossAxisAlignment: CrossAxisAlignment.start,
+                    children: [
+                      Container(
+                        height: 12,
+                        width: 150,
+                        decoration: BoxDecoration(
+                          color: Theme.of(context).colorScheme.surfaceContainer,
+                          borderRadius: BorderRadius.circular(4),
+                        ),
+                      ),
+                      const SizedBox(height: 4),
+                      Container(
+                        height: 10,
+                        width: 100,
+                        decoration: BoxDecoration(
+                          color: Theme.of(context).colorScheme.surfaceContainer,
+                          borderRadius: BorderRadius.circular(4),
+                        ),
+                      ),
+                    ],
+                  ),
+                ),
+              ],
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}

lib/widgets/post/post_list.dart

@@ -7,6 +7,7 @@ import 'package:island/pods/paging.dart';
 import 'package:island/widgets/paging/pagination_list.dart';
 import 'package:island/widgets/post/post_item.dart';
 import 'package:island/widgets/post/post_item_creator.dart';
+import 'package:island/widgets/post/post_item_skeleton.dart';
 
 part 'post_list.freezed.dart';
 
@@ -159,6 +160,7 @@ class SliverPostList extends HookConsumerWidget {
       notifier: notifier,
       isRefreshable: false,
       isSliver: true,
+      footerSkeletonChild: const PostItemSkeleton(),
       itemBuilder: (context, index, post) {
         if (maxWidth != null) {
           return Center(