opt init recognizer

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

lib/common/widgets/flutter/page/page_view.dart

@@ -114,7 +114,7 @@ class PageView<T extends HorizontalDragGestureRecognizer>
     required this.horizontalDragGestureRecognizer,
   }) : childrenDelegate = SliverChildListDelegate(children);
 
-  final T horizontalDragGestureRecognizer;
+  final GestureRecognizerFactoryConstructor<T> horizontalDragGestureRecognizer;
 
   /// Creates a scrollable list that works page by page using widgets that are
   /// created on demand.

lib/common/widgets/flutter/page/scrollable.dart

@@ -105,7 +105,7 @@ class Scrollable<T extends HorizontalDragGestureRecognizer>
     required this.horizontalDragGestureRecognizer,
   }) : assert(semanticChildCount == null || semanticChildCount >= 0);
 
-  final T horizontalDragGestureRecognizer;
+  final GestureRecognizerFactoryConstructor<T> horizontalDragGestureRecognizer;
 
   /// {@template flutter.widgets.Scrollable.axisDirection}
   /// The direction in which this widget scrolls.
@@ -815,7 +815,7 @@ class ScrollableState<T extends HorizontalDragGestureRecognizer>
         case Axis.horizontal:
           _gestureRecognizers = <Type, GestureRecognizerFactory>{
             T: GestureRecognizerFactoryWithHandlers<T>(
-              () => widget.horizontalDragGestureRecognizer,
+              widget.horizontalDragGestureRecognizer,
               (T instance) {
                 instance
                   ..onDown = _handleDragDown

lib/common/widgets/flutter/page/tabs.dart

@@ -38,7 +38,7 @@ class TabBarView<T extends HorizontalDragGestureRecognizer>
     required this.horizontalDragGestureRecognizer,
   });
 
-  final T horizontalDragGestureRecognizer;
+  final GestureRecognizerFactoryConstructor<T> horizontalDragGestureRecognizer;
 
   /// This widget's selection and animation state.
   ///

lib/common/widgets/interactiveviewer_gallery/interactiveviewer_gallery.dart

@@ -87,11 +87,7 @@ class _InteractiveviewerGalleryState extends State<InteractiveviewerGallery>
   late final _tween = Matrix4Tween();
   late final _animatable = _tween.chain(CurveTween(curve: Curves.easeOut));
 
-  late final _horizontalDragGestureRecognizer =
-      ImageHorizontalDragGestureRecognizer(
-        width: 0,
-        transformationController: _transformationController,
-      );
+  late final _horizontalDragGestureRecognizer;
 
   late Offset _doubleTapLocalPosition;
 
@@ -111,6 +107,11 @@ class _InteractiveviewerGalleryState extends State<InteractiveviewerGallery>
 
     _transformationController = TransformationController();
 
+    _horizontalDragGestureRecognizer = ImageHorizontalDragGestureRecognizer(
+      width: 0,
+      transformationController: _transformationController,
+    );
+
     _animationController = AnimationController(
       vsync: this,
       duration: const Duration(milliseconds: 300),
@@ -246,7 +247,8 @@ class _InteractiveviewerGalleryState extends State<InteractiveviewerGallery>
                     : _itemBuilder(index, item),
               );
             },
-            horizontalDragGestureRecognizer: _horizontalDragGestureRecognizer,
+            horizontalDragGestureRecognizer: () =>
+                _horizontalDragGestureRecognizer,
           ),
         ),
         Positioned(

lib/common/widgets/scroll_physics.dart

@@ -9,7 +9,7 @@ Widget videoTabBarView({
 }) => TabBarView<CustomHorizontalDragGestureRecognizer>(
   controller: controller,
   physics: const CustomTabBarViewScrollPhysics(parent: ClampingScrollPhysics()),
-  horizontalDragGestureRecognizer: CustomHorizontalDragGestureRecognizer(),
+  horizontalDragGestureRecognizer: CustomHorizontalDragGestureRecognizer.new,
   children: children,
 );
 
@@ -19,7 +19,7 @@ Widget tabBarView({
 }) => TabBarView<CustomHorizontalDragGestureRecognizer>(
   physics: const CustomTabBarViewScrollPhysics(),
   controller: controller,
-  horizontalDragGestureRecognizer: CustomHorizontalDragGestureRecognizer(),
+  horizontalDragGestureRecognizer: CustomHorizontalDragGestureRecognizer.new,
   children: children,
 );
 

lib/pages/common/slide/common_slide_page.dart

@@ -24,6 +24,13 @@ mixin CommonSlideMixin<T extends CommonSlidePage> on State<T>, TickerProvider {
 
   static bool slideDismissReplyPage = Pref.slideDismissReplyPage;
 
+  bool isDxAllowed(double dx) {
+    return enableSlide
+        ? dx > CommonSlideMixin.offset &&
+              dx < maxWidth - CommonSlideMixin.offset
+        : true;
+  }
+
   @override
   void initState() {
     super.initState();

lib/pages/episode_panel/view.dart

@@ -235,12 +235,8 @@ class _EpisodePanelState extends State<EpisodePanel>
     if (_isMulti) {
       return TabBarView<TabBarDragGestureRecognizer>(
         controller: _tabController,
-        horizontalDragGestureRecognizer: TabBarDragGestureRecognizer(
-          isDxAllowed: (double dx) => enableSlide
-              ? dx > CommonSlideMixin.offset &&
-                    dx < maxWidth - CommonSlideMixin.offset
-              : true,
-        ),
+        horizontalDragGestureRecognizer: () =>
+            TabBarDragGestureRecognizer(isDxAllowed: isDxAllowed),
         children: List.generate(
           widget.list.length,
           (index) => _buildBody(

lib/pages/history/view.dart

@@ -139,7 +139,7 @@ class _HistoryPageState extends State<HistoryPage>
                             : const CustomTabBarViewScrollPhysics(),
                         controller: _historyController.tabController,
                         horizontalDragGestureRecognizer:
-                            CustomHorizontalDragGestureRecognizer(),
+                            CustomHorizontalDragGestureRecognizer.new,
                         children: [
                           KeepAliveWrapper(builder: (context) => child),
                           ..._historyController.tabs.map(

lib/pages/later/view.dart

@@ -135,7 +135,7 @@ class _LaterPageState extends State<LaterPage>
                           : const CustomTabBarViewScrollPhysics(),
                       controller: _tabController,
                       horizontalDragGestureRecognizer:
-                          CustomHorizontalDragGestureRecognizer(),
+                          CustomHorizontalDragGestureRecognizer.new,
                       children: LaterViewType.values
                           .map((item) => item.page)
                           .toList(),

lib/pages/live_room/view.dart

@@ -733,7 +733,7 @@ class _LiveRoomPageState extends State<LiveRoomPage>
               onPageChanged: (value) =>
                   _liveRoomController.pageIndex.value = value,
               horizontalDragGestureRecognizer:
-                  CustomHorizontalDragGestureRecognizer(),
+                  CustomHorizontalDragGestureRecognizer.new,
               children: [
                 KeepAliveWrapper(builder: (context) => chat()),
                 SuperChatPanel(

lib/pages/video/introduction/pgc/widgets/intro_detail.dart

@@ -97,12 +97,8 @@ class _IntroDetailState extends State<PgcIntroPanel>
     return TabBarView<TabBarDragGestureRecognizer>(
       controller: _tabController,
       physics: const CustomTabBarViewScrollPhysics(),
-      horizontalDragGestureRecognizer: TabBarDragGestureRecognizer(
-        isDxAllowed: (double dx) => enableSlide
-            ? dx > CommonSlideMixin.offset &&
-                  dx < maxWidth - CommonSlideMixin.offset
-            : true,
-      ),
+      horizontalDragGestureRecognizer: () =>
+          TabBarDragGestureRecognizer(isDxAllowed: isDxAllowed),
       children: [
         KeepAliveWrapper(builder: (context) => _buildInfo(theme)),
         PgcReviewPage(