Add scroll to position of notification in post screen

lib/controls/notifications_control.dart

@@ -25,12 +25,13 @@ class NotificationControl extends StatelessWidget {
     final manager = getIt<TimelineManager>();
     final existingPostData = manager.getPostTreeEntryBy(notification.iid);
     if (existingPostData.isSuccess) {
-      context.push('/post/view/${existingPostData.value.id}');
+      context
+          .push('/post/view/${existingPostData.value.id}/${notification.iid}');
       return;
     }
     final loadedPost = await manager.refreshStatusChain(notification.iid);
     if (loadedPost.isSuccess) {
-      context.push('/post/view/${loadedPost.value.id}');
+      context.push('/post/view/${loadedPost.value.id}/${notification.iid}');
       return;
     }
     buildSnackbar(

lib/controls/timeline/post_control.dart

@@ -1,8 +1,10 @@
 import 'package:flutter/material.dart';
 import 'package:logging/logging.dart';
 import 'package:provider/provider.dart';
+import 'package:scrollable_positioned_list/scrollable_positioned_list.dart';
 
 import '../../models/entry_tree_item.dart';
+import '../../models/flattened_tree_item.dart';
 import '../../models/timeline_entry.dart';
 import '../../services/timeline_manager.dart';
 import '../../utils/entry_tree_item_flattening.dart';
@@ -10,14 +12,19 @@ import 'flattened_tree_entry_control.dart';
 
 class PostControl extends StatefulWidget {
   final EntryTreeItem originalItem;
+  final String scrollToId;
   final bool openRemote;
   final bool showStatusOpenButton;
+  final bool isRoot;
 
-  const PostControl(
+  const PostControl({
-      {super.key,
+    super.key,
     required this.originalItem,
+    required this.scrollToId,
     required this.openRemote,
-      required this.showStatusOpenButton});
+    required this.showStatusOpenButton,
+    required this.isRoot,
+  });
 
   @override
   State<PostControl> createState() => _PostControlState();
@@ -26,6 +33,10 @@ class PostControl extends StatefulWidget {
 class _PostControlState extends State<PostControl> {
   static final _logger = Logger('$PostControl');
 
+  final ItemScrollController itemScrollController = ItemScrollController();
+  final ItemPositionsListener itemPositionsListener =
+      ItemPositionsListener.create();
+
   var showContent = true;
 
   var showComments = false;
@@ -41,6 +52,7 @@ class _PostControlState extends State<PostControl> {
   @override
   void initState() {
     showContent = entry.spoilerText.isEmpty;
+    showComments = widget.scrollToId != item.id;
   }
 
   @override
@@ -48,6 +60,19 @@ class _PostControlState extends State<PostControl> {
     final manager = context.watch<TimelineManager>();
     _logger.finest('Building ${item.entry.toShortString()}');
     final items = widget.originalItem.flatten(topLevelOnly: !showComments);
+
+    if (widget.isRoot) {
+      return buildListView(context, items, manager);
+    } else {
+      return buildColumnView(context, items, manager);
+    }
+  }
+
+  Widget buildColumnView(
+    BuildContext context,
+    List<FlattenedTreeItem> items,
+    TimelineManager manager,
+  ) {
     final widgets = <Widget>[];
     for (var i = 0; i < items.length; i++) {
       final itemWidget = FlattenedTreeEntryControl(
@@ -76,4 +101,61 @@ class _PostControlState extends State<PostControl> {
     }
     return Column(children: widgets);
   }
+
+  Widget buildListView(
+    BuildContext context,
+    List<FlattenedTreeItem> items,
+    TimelineManager manager,
+  ) {
+    final int count;
+    final int offset;
+    if (hasComments && showComments) {
+      count = items.length + 1;
+      offset = 1;
+      final scrollToIndex =
+          items.indexWhere((e) => e.timelineEntry.id == widget.scrollToId);
+      Future.delayed(
+        const Duration(seconds: 1),
+        () async => itemScrollController.jumpTo(index: scrollToIndex),
+      );
+    } else if (hasComments) {
+      count = 2;
+      offset = 0;
+    } else {
+      count = 1;
+      offset = 0;
+    }
+    return ScrollablePositionedList.builder(
+        itemCount: count,
+        itemScrollController: itemScrollController,
+        itemPositionsListener: itemPositionsListener,
+        itemBuilder: (context, index) {
+          if (index == 0) {
+            return FlattenedTreeEntryControl(
+              originalItem: items.first,
+              openRemote: widget.openRemote,
+              showStatusOpenButton: widget.showStatusOpenButton,
+            );
+          }
+          if (index == 1 && hasComments) {
+            return TextButton(
+              onPressed: () async {
+                setState(() {
+                  showComments = !showComments;
+                });
+                if (showComments) {
+                  await manager.refreshStatusChain(entry.id);
+                }
+              },
+              child:
+                  Text(showComments ? 'Hide Comments' : 'Load & Show Comments'),
+            );
+          }
+          return FlattenedTreeEntryControl(
+            originalItem: items[index - offset],
+            openRemote: widget.openRemote,
+            showStatusOpenButton: widget.showStatusOpenButton,
+          );
+        });
+  }
 }

lib/controls/timeline/timeline_panel.dart

@@ -45,8 +45,10 @@ class TimelinePanel extends StatelessWidget {
               'Building item: $itemIndex: ${item.entry.toShortString()}');
           return PostControl(
             originalItem: item,
+            scrollToId: item.id,
             openRemote: false,
             showStatusOpenButton: true,
+            isRoot: false,
           );
         },
         separatorBuilder: (context, index) => Divider(),

lib/routes.dart

@@ -137,9 +137,11 @@ final appRouter = GoRouter(
                   EditorScreen(id: state.params['id'] ?? 'Not Found'),
             ),
             GoRoute(
-              path: 'view/:id',
+              path: 'view/:id/:goto_id',
-              builder: (context, state) =>
+              builder: (context, state) => PostScreen(
-                  PostScreen(id: state.params['id'] ?? 'Not Found'),
+                id: state.params['id'] ?? 'Not Found',
+                goToId: state.params['goto_id'] ?? 'Not Found',
+              ),
             ),
           ]),
       GoRoute(

lib/screens/post_screen.dart

@@ -7,7 +7,13 @@ import '../services/timeline_manager.dart';
 class PostScreen extends StatelessWidget {
   final String id;
 
-  const PostScreen({super.key, required this.id});
+  final String goToId;
+
+  const PostScreen({
+    super.key,
+    required this.id,
+    required this.goToId,
+  });
 
   @override
   Widget build(BuildContext context) {
@@ -17,13 +23,12 @@ class PostScreen extends StatelessWidget {
               onRefresh: () async {
                 await manager.refreshStatusChain(id);
               },
-              child: SingleChildScrollView(
-                physics: const AlwaysScrollableScrollPhysics(),
               child: PostControl(
                 originalItem: post,
+                scrollToId: goToId,
                 openRemote: true,
                 showStatusOpenButton: true,
-                ),
+                isRoot: true,
               ),
             ),
         onError: (error) => Text('Error getting post: $error'));

macos/Flutter/GeneratedPluginRegistrant.swift

@@ -8,7 +8,7 @@ import Foundation
 import desktop_window
 import flutter_secure_storage_macos
 import path_provider_macos
-import shared_preferences_macos
+import shared_preferences_foundation
 import sqflite
 import url_launcher_macos
 

macos/Podfile.lock

@@ -9,7 +9,8 @@ PODS:
   - FMDB/standard (2.7.5)
   - path_provider_macos (0.0.1):
     - FlutterMacOS
-  - shared_preferences_macos (0.0.1):
+  - shared_preferences_foundation (0.0.1):
+    - Flutter
     - FlutterMacOS
   - sqflite (0.0.2):
     - FlutterMacOS
@@ -22,7 +23,7 @@ DEPENDENCIES:
   - flutter_secure_storage_macos (from `Flutter/ephemeral/.symlinks/plugins/flutter_secure_storage_macos/macos`)
   - FlutterMacOS (from `Flutter/ephemeral`)
   - path_provider_macos (from `Flutter/ephemeral/.symlinks/plugins/path_provider_macos/macos`)
-  - shared_preferences_macos (from `Flutter/ephemeral/.symlinks/plugins/shared_preferences_macos/macos`)
+  - shared_preferences_foundation (from `Flutter/ephemeral/.symlinks/plugins/shared_preferences_foundation/macos`)
   - sqflite (from `Flutter/ephemeral/.symlinks/plugins/sqflite/macos`)
   - url_launcher_macos (from `Flutter/ephemeral/.symlinks/plugins/url_launcher_macos/macos`)
 
@@ -39,8 +40,8 @@ EXTERNAL SOURCES:
     :path: Flutter/ephemeral
   path_provider_macos:
     :path: Flutter/ephemeral/.symlinks/plugins/path_provider_macos/macos
-  shared_preferences_macos:
+  shared_preferences_foundation:
-    :path: Flutter/ephemeral/.symlinks/plugins/shared_preferences_macos/macos
+    :path: Flutter/ephemeral/.symlinks/plugins/shared_preferences_foundation/macos
   sqflite:
     :path: Flutter/ephemeral/.symlinks/plugins/sqflite/macos
   url_launcher_macos:
@@ -51,8 +52,8 @@ SPEC CHECKSUMS:
   flutter_secure_storage_macos: 75c8cadfdba05ca007c0fa4ea0c16e5cf85e521b
   FlutterMacOS: ae6af50a8ea7d6103d888583d46bd8328a7e9811
   FMDB: 2ce00b547f966261cd18927a3ddb07cb6f3db82a
-  path_provider_macos: 3c0c3b4b0d4a76d2bf989a913c2de869c5641a19
+  path_provider_macos: 05fb0ef0cedf3e5bd179b9e41a638682b37133ea
-  shared_preferences_macos: a64dc611287ed6cbe28fd1297898db1336975727
+  shared_preferences_foundation: 297b3ebca31b34ec92be11acd7fb0ba932c822ca
   sqflite: a5789cceda41d54d23f31d6de539d65bb14100ea
   url_launcher_macos: 597e05b8e514239626bcf4a850fcf9ef5c856ec3
 

pubspec.lock

@@ -147,7 +147,7 @@ packages:
       name: file_picker
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "5.2.4"
+    version: "5.2.5"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -260,7 +260,7 @@ packages:
       name: flutter_widget_from_html_core
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.9.0+2"
+    version: "0.9.1"
   functional_listener:
     dependency: transitive
     description:
@@ -323,7 +323,7 @@ packages:
       name: image
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.2.2"
+    version: "3.3.0"
   image_picker:
     dependency: "direct main"
     description:
@@ -351,7 +351,7 @@ packages:
       name: image_picker_ios
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.8.6+4"
+    version: "0.8.6+5"
   image_picker_platform_interface:
     dependency: transitive
     description:
@@ -484,7 +484,7 @@ packages:
       name: path_provider_macos
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.6"
+    version: "2.0.7"
   path_provider_platform_interface:
     dependency: transitive
     description:
@@ -562,13 +562,20 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.27.7"
+  scrollable_positioned_list:
+    dependency: "direct main"
+    description:
+      name: scrollable_positioned_list
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.3.5"
   shared_preferences:
     dependency: "direct main"
     description:
       name: shared_preferences
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.15"
+    version: "2.0.16"
   shared_preferences_android:
     dependency: transitive
     description:
@@ -576,10 +583,10 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.0.14"
-  shared_preferences_ios:
+  shared_preferences_foundation:
     dependency: transitive
     description:
-      name: shared_preferences_ios
+      name: shared_preferences_foundation
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.1.1"
@@ -590,13 +597,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.1.2"
-  shared_preferences_macos:
-    dependency: transitive
-    description:
-      name: shared_preferences_macos
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.0.4"
   shared_preferences_platform_interface:
     dependency: transitive
     description:
@@ -636,14 +636,14 @@ packages:
       name: sqflite
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.2.2"
+    version: "2.2.3"
   sqflite_common:
     dependency: transitive
     description:
       name: sqflite_common
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.4.0+2"
+    version: "2.4.1"
   stack_trace:
     dependency: transitive
     description:
@@ -678,7 +678,7 @@ packages:
       name: synchronized
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.0.0+3"
+    version: "3.0.1"
   term_glyph:
     dependency: transitive
     description:
@@ -825,7 +825,7 @@ packages:
       name: xdg_directories
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.2.0+2"
+    version: "0.2.0+3"
   xml:
     dependency: transitive
     description:

pubspec.yaml

@@ -37,6 +37,7 @@ dependencies:
   flutter_file_dialog: ^2.3.2
   multi_trigger_autocomplete: ^0.1.1
   video_player: ^2.4.10
+  scrollable_positioned_list: ^0.3.5
 
 dev_dependencies:
   flutter_test: