opt gesture

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

lib/common/widgets/gesture/image_tap_gesture_recognizer.dart

@@ -1,5 +1,5 @@
 import 'package:flutter/gestures.dart'
-    show TapGestureRecognizer, PointerDownEvent;
+    show TapGestureRecognizer, PointerDownEvent, DoubleTapGestureRecognizer;
 
 class ImageTapGestureRecognizer extends TapGestureRecognizer {
   ImageTapGestureRecognizer({
@@ -21,3 +21,22 @@ class ImageTapGestureRecognizer extends TapGestureRecognizer {
     super.addPointer(event);
   }
 }
+
+class ImageDoubleTapGestureRecognizer extends DoubleTapGestureRecognizer {
+  ImageDoubleTapGestureRecognizer({
+    super.debugOwner,
+    super.supportedDevices,
+    super.allowedButtonsFilter,
+  });
+
+  int? _pointer;
+
+  @override
+  void addPointer(PointerDownEvent event) {
+    if (_pointer == event.pointer) {
+      return;
+    }
+    _pointer = event.pointer;
+    super.addPointer(event);
+  }
+}

lib/common/widgets/image_viewer/gallery_viewer.dart

@@ -81,6 +81,7 @@ class _GalleryViewerState extends State<GalleryViewer>
   late final PageController _pageController;
 
   late final ImageTapGestureRecognizer _tapGestureRecognizer;
+  late final ImageDoubleTapGestureRecognizer _doubleTapGestureRecognizer;
   late final ImageHorizontalDragGestureRecognizer
   _horizontalDragGestureRecognizer;
   late final LongPressGestureRecognizer _longPressGestureRecognizer;
@@ -122,12 +123,15 @@ class _GalleryViewerState extends State<GalleryViewer>
     if (PlatformUtils.isDesktop) {
       _tapGestureRecognizer.onSecondaryTapUp = _showDesktopMenu;
     }
+    _doubleTapGestureRecognizer = ImageDoubleTapGestureRecognizer()
+      ..onDoubleTap = () {}
+      ..gestureSettings = gestureSettings;
     _horizontalDragGestureRecognizer = ImageHorizontalDragGestureRecognizer();
     _longPressGestureRecognizer = LongPressGestureRecognizer()
       ..onLongPress = _onLongPress
       ..gestureSettings = gestureSettings;
 
-    Future.delayed(const Duration(milliseconds: 410), () {
+    Future.delayed(const Duration(milliseconds: 300), () {
       if (mounted) {
         _tapGestureRecognizer.onTap = _onTap;
       }
@@ -225,6 +229,10 @@ class _GalleryViewerState extends State<GalleryViewer>
     _pageController.dispose();
     _animateController.dispose();
     _tapGestureRecognizer.dispose();
+    _doubleTapGestureRecognizer
+      ..onDoubleTapDown = null
+      ..onDoubleTap = null
+      ..dispose();
     _longPressGestureRecognizer.dispose();
     _currIndex.close();
     if (widget.quality != _quality) {
@@ -239,6 +247,7 @@ class _GalleryViewerState extends State<GalleryViewer>
 
   void _onPointerDown(PointerDownEvent event) {
     _tapGestureRecognizer.addPointer(event);
+    _doubleTapGestureRecognizer.addPointer(event);
     _longPressGestureRecognizer.addPointer(event);
   }
 
@@ -357,6 +366,7 @@ class _GalleryViewerState extends State<GalleryViewer>
           onDragUpdate: _onDragUpdate,
           onDragEnd: _onDragEnd,
           tapGestureRecognizer: _tapGestureRecognizer,
+          doubleTapGestureRecognizer: _doubleTapGestureRecognizer,
           horizontalDragGestureRecognizer: _horizontalDragGestureRecognizer,
           onChangePage: _onChangePage,
         );
@@ -369,6 +379,7 @@ class _GalleryViewerState extends State<GalleryViewer>
           maxScale: widget.maxScale,
           containerSize: _containerSize,
           tapGestureRecognizer: _tapGestureRecognizer,
+          doubleTapGestureRecognizer: _doubleTapGestureRecognizer,
           horizontalDragGestureRecognizer: _horizontalDragGestureRecognizer,
           onChangePage: _onChangePage,
           frameBuilder: (context, child, frame, wasSynchronouslyLoaded) {
@@ -390,6 +401,7 @@ class _GalleryViewerState extends State<GalleryViewer>
                   onDragUpdate: null,
                   onDragEnd: null,
                   tapGestureRecognizer: _tapGestureRecognizer,
+                  doubleTapGestureRecognizer: _doubleTapGestureRecognizer,
                   horizontalDragGestureRecognizer:
                       _horizontalDragGestureRecognizer,
                   onChangePage: _onChangePage,
@@ -428,6 +440,7 @@ class _GalleryViewerState extends State<GalleryViewer>
                   onDragUpdate: _onDragUpdate,
                   onDragEnd: _onDragEnd,
                   tapGestureRecognizer: _tapGestureRecognizer,
+                  doubleTapGestureRecognizer: _doubleTapGestureRecognizer,
                   horizontalDragGestureRecognizer:
                       _horizontalDragGestureRecognizer,
                   onChangePage: _onChangePage,

lib/common/widgets/image_viewer/image.dart

@@ -43,6 +43,7 @@ class Image extends StatefulWidget {
     required this.onDragUpdate,
     required this.onDragEnd,
     required this.tapGestureRecognizer,
+    required this.doubleTapGestureRecognizer,
     required this.horizontalDragGestureRecognizer,
     required this.onChangePage,
   });
@@ -81,6 +82,7 @@ class Image extends StatefulWidget {
     required this.onDragUpdate,
     required this.onDragEnd,
     required this.tapGestureRecognizer,
+    required this.doubleTapGestureRecognizer,
     required this.horizontalDragGestureRecognizer,
     required this.onChangePage,
   }) : image = ResizeImage.resizeIfNeeded(
@@ -126,6 +128,7 @@ class Image extends StatefulWidget {
     required this.onDragUpdate,
     required this.onDragEnd,
     required this.tapGestureRecognizer,
+    required this.doubleTapGestureRecognizer,
     required this.horizontalDragGestureRecognizer,
     required this.onChangePage,
   }) : assert(
@@ -174,6 +177,7 @@ class Image extends StatefulWidget {
     required this.onDragUpdate,
     required this.onDragEnd,
     required this.tapGestureRecognizer,
+    required this.doubleTapGestureRecognizer,
     required this.horizontalDragGestureRecognizer,
     required this.onChangePage,
   }) : image = ResizeImage.resizeIfNeeded(
@@ -222,6 +226,7 @@ class Image extends StatefulWidget {
     required this.onDragUpdate,
     required this.onDragEnd,
     required this.tapGestureRecognizer,
+    required this.doubleTapGestureRecognizer,
     required this.horizontalDragGestureRecognizer,
     required this.onChangePage,
   }) : image = ResizeImage.resizeIfNeeded(
@@ -281,6 +286,7 @@ class Image extends StatefulWidget {
   final ValueChanged<int>? onChangePage;
 
   final ImageTapGestureRecognizer tapGestureRecognizer;
+  final ImageDoubleTapGestureRecognizer doubleTapGestureRecognizer;
   final ImageHorizontalDragGestureRecognizer horizontalDragGestureRecognizer;
 
   @override
@@ -625,6 +631,7 @@ class _ImageState extends State<Image> with WidgetsBindingObserver {
       onDragUpdate: widget.onDragUpdate,
       onDragEnd: widget.onDragEnd,
       tapGestureRecognizer: widget.tapGestureRecognizer,
+      doubleTapGestureRecognizer: widget.doubleTapGestureRecognizer,
       horizontalDragGestureRecognizer: widget.horizontalDragGestureRecognizer,
       onChangePage: widget.onChangePage,
       child: RawImage(image: _imageInfo?.image),

lib/common/widgets/image_viewer/viewer.dart

@@ -28,9 +28,6 @@ import 'package:flutter/gestures.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/physics.dart' show FrictionSimulation;
 import 'package:flutter/services.dart' show HardwareKeyboard;
-import 'package:get/get_core/src/get_main.dart';
-import 'package:get/get_navigation/src/extension_navigation.dart'
-    show GetNavigation;
 
 ///
 /// created by dom on 2026/02/14
@@ -48,6 +45,7 @@ class Viewer extends StatefulWidget {
     required this.onDragUpdate,
     required this.onDragEnd,
     required this.tapGestureRecognizer,
+    required this.doubleTapGestureRecognizer,
     required this.horizontalDragGestureRecognizer,
     required this.onChangePage,
     required this.child,
@@ -66,6 +64,7 @@ class Viewer extends StatefulWidget {
   final ValueChanged<int>? onChangePage;
 
   final ImageTapGestureRecognizer tapGestureRecognizer;
+  final ImageDoubleTapGestureRecognizer doubleTapGestureRecognizer;
   final ImageHorizontalDragGestureRecognizer horizontalDragGestureRecognizer;
 
   @override
@@ -87,18 +86,13 @@ class _ViewerState extends State<Viewer> with SingleTickerProviderStateMixin {
   late Size _imageSize;
 
   late final ImageTapGestureRecognizer _tapGestureRecognizer;
+  late final ImageDoubleTapGestureRecognizer _doubleTapGestureRecognizer;
   late final ImageHorizontalDragGestureRecognizer
   _horizontalDragGestureRecognizer;
   late final ScaleGestureRecognizer _scaleGestureRecognizer;
-  late final DoubleTapGestureRecognizer _doubleTapGestureRecognizer;
 
   Offset? _downPos;
-  AnimationController? _animationController;
+  late final AnimationController _animationController;
-  AnimationController get _effectiveAnimationController =>
-      _animationController ??= AnimationController(
-        vsync: this,
-        duration: const Duration(milliseconds: 300),
-      )..addListener(_listener);
 
   late double _scaleFrom, _scaleTo;
   late Offset _positionFrom, _positionTo;
@@ -108,7 +102,7 @@ class _ViewerState extends State<Viewer> with SingleTickerProviderStateMixin {
         ..scaleByDouble(_scale, _scale, _scale, 1.0);
 
   void _listener() {
-    final t = Curves.easeOut.transform(_effectiveAnimationController.value);
+    final t = Curves.easeOut.transform(_animationController.value);
     _scale = t.lerp(_scaleFrom, _scaleTo);
     _position = Offset.lerp(_positionFrom, _positionTo, t)!;
     setState(() {});
@@ -142,7 +136,13 @@ class _ViewerState extends State<Viewer> with SingleTickerProviderStateMixin {
     super.initState();
     _initSize();
 
+    _animationController = AnimationController(
+      vsync: this,
+      duration: const Duration(milliseconds: 300),
+    )..addListener(_listener);
+
     _tapGestureRecognizer = widget.tapGestureRecognizer;
+    _doubleTapGestureRecognizer = widget.doubleTapGestureRecognizer;
     _horizontalDragGestureRecognizer = widget.horizontalDragGestureRecognizer;
 
     _scaleGestureRecognizer = ScaleGestureRecognizer(debugOwner: this)
@@ -151,10 +151,6 @@ class _ViewerState extends State<Viewer> with SingleTickerProviderStateMixin {
       ..onUpdate = _onScaleUpdate
       ..onEnd = _onScaleEnd
       ..gestureSettings = DeviceGestureSettings(touchSlop: touchSlopH);
-    _doubleTapGestureRecognizer = DoubleTapGestureRecognizer(debugOwner: this)
-      ..onDoubleTapDown = _onDoubleTapDown
-      ..onDoubleTap = _onDoubleTap
-      ..gestureSettings = MediaQuery.maybeGestureSettingsOf(Get.context!);
   }
 
   @override
@@ -169,11 +165,9 @@ class _ViewerState extends State<Viewer> with SingleTickerProviderStateMixin {
   @override
   void dispose() {
     _animationController
-      ?..removeListener(_listener)
+      ..removeListener(_listener)
       ..dispose();
-    _animationController = null;
     _scaleGestureRecognizer.dispose();
-    _doubleTapGestureRecognizer.dispose();
     super.dispose();
   }
 
@@ -221,6 +215,8 @@ class _ViewerState extends State<Viewer> with SingleTickerProviderStateMixin {
   }
 
   void _onDoubleTap() {
+    if (!mounted) return;
+    if (_animationController.isAnimating) return;
     EasyThrottle.throttle(
       'VIEWER_TAP',
       const Duration(milliseconds: 555),
@@ -229,7 +225,8 @@ class _ViewerState extends State<Viewer> with SingleTickerProviderStateMixin {
   }
 
   void _handleDoubleTap() {
-    if (_effectiveAnimationController.isAnimating) return;
+    if (!mounted) return;
+    if (_animationController.isAnimating) return;
     _scaleFrom = _scale;
     _positionFrom = _position;
 
@@ -250,7 +247,7 @@ class _ViewerState extends State<Viewer> with SingleTickerProviderStateMixin {
     _scaleTo = endScale;
     _positionTo = position;
 
-    _effectiveAnimationController
+    _animationController
       ..duration = const Duration(milliseconds: 300)
       ..forward(from: 0);
   }
@@ -261,6 +258,10 @@ class _ViewerState extends State<Viewer> with SingleTickerProviderStateMixin {
   }
 
   void _onScaleStart(ScaleStartDetails details) {
+    if (_animationController.isAnimating) {
+      _animationController.stop();
+    }
+
     if (details.pointerCount == 1) {
       if (widget.isLongPic) {
         final imageHeight = _scale * _imageSize.height;
@@ -352,7 +353,7 @@ class _ViewerState extends State<Viewer> with SingleTickerProviderStateMixin {
         _positionFrom = _position;
         _positionTo = position;
 
-        _effectiveAnimationController
+        _animationController
           ..duration = Duration(milliseconds: (tFinal * 1000).round())
           ..forward(from: 0);
       case _GestureType.scale:
@@ -376,7 +377,7 @@ class _ViewerState extends State<Viewer> with SingleTickerProviderStateMixin {
         //     end: frictionSimulation.x(tFinal),
         //   ).chain(CurveTween(curve: Curves.decelerate)),
         // )..addListener(_handleScaleAnimation);
-        // _effectiveAnimationController
+        // _animationController
         //   ..duration = Duration(milliseconds: (tFinal * 1000).round())
         //   ..forward(from: 0);
         break;
@@ -407,7 +408,10 @@ class _ViewerState extends State<Viewer> with SingleTickerProviderStateMixin {
   void _onPointerDown(PointerDownEvent event) {
     _scalePos = event.position;
     _tapGestureRecognizer.addPointer(event);
-    _doubleTapGestureRecognizer.addPointer(event);
+    _doubleTapGestureRecognizer
+      ..onDoubleTapDown = _onDoubleTapDown
+      ..onDoubleTap = _onDoubleTap
+      ..addPointer(event);
     _horizontalDragGestureRecognizer
       ..isBoundaryAllowed = _isBoundaryAllowed
       ..addPointer(event);