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lib/common/widgets/swipe_gesture.dart

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+// Flutter imports:
+import 'package:flutter/gestures.dart';
+import 'package:flutter/material.dart';
+
+///
+/// Направления свайпов
+///
+enum SwipeDirection {
+  ///
+  /// Свайп вниз
+  ///
+  DOWN,
+
+  ///
+  /// Свайп вверх
+  ///
+  UP,
+}
+
+class SwipeGesture extends StatelessWidget {
+  ///
+  /// Отслеживание свайпа по виджету
+  ///
+  const SwipeGesture({
+    required this.swipe,
+    required this.onSwipe,
+    required this.child,
+    super.key,
+  });
+
+  /// Направление движения
+  final SwipeDirection swipe;
+
+  /// Обработка свайпа
+  final VoidCallback onSwipe;
+
+  /// Потомок
+  final Widget child;
+
+  void _onVerticalDragUpdate(DragUpdateDetails e) {
+    const int sensitivity = 3;
+
+    switch (swipe) {
+      case SwipeDirection.DOWN:
+        if (e.delta.dy > sensitivity) {
+          onSwipe();
+        }
+
+        break;
+      case SwipeDirection.UP:
+        if (e.delta.dy < sensitivity) {
+          onSwipe();
+        }
+
+        break;
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return GestureDetector(
+      dragStartBehavior: DragStartBehavior.start,
+      behavior: HitTestBehavior.opaque,
+      onVerticalDragUpdate: _onVerticalDragUpdate,
+      child: child,
+    );
+  }
+}