タイムラインをCustomScrollViewに変更

lib/extensions/note_extension.dart

@@ -4,4 +4,10 @@ extension NoteExtension on Note {
   bool get isEmptyRenote {
     return renoteId != null && text == null && files.isEmpty && poll == null;
   }
+
+  bool get containsSensitiveFile {
+    return files.any((file) => file.isSensitive) ||
+        (renote?.files.any((file) => file.isSensitive) ?? false) ||
+        (reply?.files.any((file) => file.isSensitive) ?? false);
+  }
 }

lib/model/timeline_controller_state.dart

@@ -0,0 +1,11 @@
+import 'package:flutter/material.dart';
+
+class TimelineControllerState {
+  const TimelineControllerState({
+    required this.listKey,
+    required this.scrollController,
+  });
+
+  final GlobalKey<SliverAnimatedListState> listKey;
+  final ScrollController scrollController;
+}

lib/model/timeline_page_state.dart

@@ -0,0 +1,16 @@
+import 'package:flutter/material.dart';
+import 'package:freezed_annotation/freezed_annotation.dart';
+import 'package:miria/model/tab_setting.dart';
+
+part 'timeline_page_state.freezed.dart';
+
+@freezed
+class TimelinePageState with _$TimelinePageState {
+  const TimelinePageState._();
+
+  const factory TimelinePageState({
+    required PageController pageController,
+    required int index,
+    required TabSetting tabSetting,
+  }) = _TimelinePageState;
+}

lib/model/timeline_page_state.freezed.dart

@@ -0,0 +1,189 @@
+// coverage:ignore-file
+// GENERATED CODE - DO NOT MODIFY BY HAND
+// ignore_for_file: type=lint
+// ignore_for_file: unused_element, deprecated_member_use, deprecated_member_use_from_same_package, use_function_type_syntax_for_parameters, unnecessary_const, avoid_init_to_null, invalid_override_different_default_values_named, prefer_expression_function_bodies, annotate_overrides, invalid_annotation_target, unnecessary_question_mark
+
+part of 'timeline_page_state.dart';
+
+// **************************************************************************
+// FreezedGenerator
+// **************************************************************************
+
+T _$identity<T>(T value) => value;
+
+final _privateConstructorUsedError = UnsupportedError(
+    'It seems like you constructed your class using `MyClass._()`. This constructor is only meant to be used by freezed and you are not supposed to need it nor use it.\nPlease check the documentation here for more information: https://github.com/rrousselGit/freezed#custom-getters-and-methods');
+
+/// @nodoc
+mixin _$TimelinePageState {
+  PageController get pageController => throw _privateConstructorUsedError;
+  int get index => throw _privateConstructorUsedError;
+  TabSetting get tabSetting => throw _privateConstructorUsedError;
+
+  @JsonKey(ignore: true)
+  $TimelinePageStateCopyWith<TimelinePageState> get copyWith =>
+      throw _privateConstructorUsedError;
+}
+
+/// @nodoc
+abstract class $TimelinePageStateCopyWith<$Res> {
+  factory $TimelinePageStateCopyWith(
+          TimelinePageState value, $Res Function(TimelinePageState) then) =
+      _$TimelinePageStateCopyWithImpl<$Res, TimelinePageState>;
+  @useResult
+  $Res call({PageController pageController, int index, TabSetting tabSetting});
+
+  $TabSettingCopyWith<$Res> get tabSetting;
+}
+
+/// @nodoc
+class _$TimelinePageStateCopyWithImpl<$Res, $Val extends TimelinePageState>
+    implements $TimelinePageStateCopyWith<$Res> {
+  _$TimelinePageStateCopyWithImpl(this._value, this._then);
+
+  // ignore: unused_field
+  final $Val _value;
+  // ignore: unused_field
+  final $Res Function($Val) _then;
+
+  @pragma('vm:prefer-inline')
+  @override
+  $Res call({
+    Object? pageController = null,
+    Object? index = null,
+    Object? tabSetting = null,
+  }) {
+    return _then(_value.copyWith(
+      pageController: null == pageController
+          ? _value.pageController
+          : pageController // ignore: cast_nullable_to_non_nullable
+              as PageController,
+      index: null == index
+          ? _value.index
+          : index // ignore: cast_nullable_to_non_nullable
+              as int,
+      tabSetting: null == tabSetting
+          ? _value.tabSetting
+          : tabSetting // ignore: cast_nullable_to_non_nullable
+              as TabSetting,
+    ) as $Val);
+  }
+
+  @override
+  @pragma('vm:prefer-inline')
+  $TabSettingCopyWith<$Res> get tabSetting {
+    return $TabSettingCopyWith<$Res>(_value.tabSetting, (value) {
+      return _then(_value.copyWith(tabSetting: value) as $Val);
+    });
+  }
+}
+
+/// @nodoc
+abstract class _$$_TimelinePageStateCopyWith<$Res>
+    implements $TimelinePageStateCopyWith<$Res> {
+  factory _$$_TimelinePageStateCopyWith(_$_TimelinePageState value,
+          $Res Function(_$_TimelinePageState) then) =
+      __$$_TimelinePageStateCopyWithImpl<$Res>;
+  @override
+  @useResult
+  $Res call({PageController pageController, int index, TabSetting tabSetting});
+
+  @override
+  $TabSettingCopyWith<$Res> get tabSetting;
+}
+
+/// @nodoc
+class __$$_TimelinePageStateCopyWithImpl<$Res>
+    extends _$TimelinePageStateCopyWithImpl<$Res, _$_TimelinePageState>
+    implements _$$_TimelinePageStateCopyWith<$Res> {
+  __$$_TimelinePageStateCopyWithImpl(
+      _$_TimelinePageState _value, $Res Function(_$_TimelinePageState) _then)
+      : super(_value, _then);
+
+  @pragma('vm:prefer-inline')
+  @override
+  $Res call({
+    Object? pageController = null,
+    Object? index = null,
+    Object? tabSetting = null,
+  }) {
+    return _then(_$_TimelinePageState(
+      pageController: null == pageController
+          ? _value.pageController
+          : pageController // ignore: cast_nullable_to_non_nullable
+              as PageController,
+      index: null == index
+          ? _value.index
+          : index // ignore: cast_nullable_to_non_nullable
+              as int,
+      tabSetting: null == tabSetting
+          ? _value.tabSetting
+          : tabSetting // ignore: cast_nullable_to_non_nullable
+              as TabSetting,
+    ));
+  }
+}
+
+/// @nodoc
+
+class _$_TimelinePageState extends _TimelinePageState {
+  const _$_TimelinePageState(
+      {required this.pageController,
+      required this.index,
+      required this.tabSetting})
+      : super._();
+
+  @override
+  final PageController pageController;
+  @override
+  final int index;
+  @override
+  final TabSetting tabSetting;
+
+  @override
+  String toString() {
+    return 'TimelinePageState(pageController: $pageController, index: $index, tabSetting: $tabSetting)';
+  }
+
+  @override
+  bool operator ==(dynamic other) {
+    return identical(this, other) ||
+        (other.runtimeType == runtimeType &&
+            other is _$_TimelinePageState &&
+            (identical(other.pageController, pageController) ||
+                other.pageController == pageController) &&
+            (identical(other.index, index) || other.index == index) &&
+            (identical(other.tabSetting, tabSetting) ||
+                other.tabSetting == tabSetting));
+  }
+
+  @override
+  int get hashCode =>
+      Object.hash(runtimeType, pageController, index, tabSetting);
+
+  @JsonKey(ignore: true)
+  @override
+  @pragma('vm:prefer-inline')
+  _$$_TimelinePageStateCopyWith<_$_TimelinePageState> get copyWith =>
+      __$$_TimelinePageStateCopyWithImpl<_$_TimelinePageState>(
+          this, _$identity);
+}
+
+abstract class _TimelinePageState extends TimelinePageState {
+  const factory _TimelinePageState(
+      {required final PageController pageController,
+      required final int index,
+      required final TabSetting tabSetting}) = _$_TimelinePageState;
+  const _TimelinePageState._() : super._();
+
+  @override
+  PageController get pageController;
+  @override
+  int get index;
+  @override
+  TabSetting get tabSetting;
+  @override
+  @JsonKey(ignore: true)
+  _$$_TimelinePageStateCopyWith<_$_TimelinePageState> get copyWith =>
+      throw _privateConstructorUsedError;
+}

lib/providers.dart

@@ -6,6 +6,8 @@ import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:miria/model/account.dart';
 import 'package:miria/model/acct.dart';
 import 'package:miria/model/tab_setting.dart';
+import 'package:miria/model/timeline_controller_state.dart';
+import 'package:miria/model/timeline_page_state.dart';
 import 'package:miria/model/timeline_state.dart';
 import 'package:miria/repository/account_repository.dart';
 import 'package:miria/repository/account_settings_repository.dart';
@@ -20,6 +22,8 @@ import 'package:miria/repository/timeline_repository.dart';
 import 'package:miria/state_notifier/common/misskey_server_list_notifier.dart';
 import 'package:miria/state_notifier/note_create_page/note_create_state_notifier.dart';
 import 'package:miria/state_notifier/photo_edit_page/photo_edit_state_notifier.dart';
+import 'package:miria/state_notifier/timeline_page/timeline_controller.dart';
+import 'package:miria/state_notifier/timeline_page/timeline_page_controller.dart';
 import 'package:misskey_dart/misskey_dart.dart';
 
 final dioProvider = Provider((ref) => Dio());
@@ -38,6 +42,16 @@ final timelineRepositoryProvider =
   TimelineRepository.new,
 );
 
+final timelineControllerProvider = NotifierProvider.autoDispose
+    .family<TimelineController, TimelineControllerState, TabSetting>(
+  TimelineController.new,
+);
+
+final timelinePageControllerProvider =
+    NotifierProvider.autoDispose<TimelinePageController, TimelinePageState>(
+  TimelinePageController.new,
+);
+
 final mainStreamRepositoryProvider =
     ChangeNotifierProvider.family<MainStreamRepository, Account>(
         (ref, account) => MainStreamRepository(