Source Code added

mobile/lib/widgets/activities/dismissible_activity.dart

@@ -0,0 +1,66 @@
+import 'package:flutter/material.dart';
+import 'package:immich_mobile/widgets/activities/activity_tile.dart';
+import 'package:immich_mobile/widgets/common/confirm_dialog.dart';
+
+/// Wraps an [ActivityTile] and makes it dismissible
+class DismissibleActivity extends StatelessWidget {
+  final String activityId;
+  final Widget body;
+  final Function(String)? onDismiss;
+
+  const DismissibleActivity(this.activityId, this.body, {this.onDismiss, super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    if (onDismiss == null) {
+      return body;
+    }
+
+    return Dismissible(
+      key: Key(activityId),
+      dismissThresholds: const {DismissDirection.horizontal: 0.7},
+      direction: DismissDirection.horizontal,
+      confirmDismiss: (direction) => onDismiss != null
+          ? showDialog(
+              context: context,
+              builder: (context) => ConfirmDialog(
+                onOk: () {},
+                title: "shared_album_activity_remove_title",
+                content: "shared_album_activity_remove_content",
+                ok: "delete",
+              ),
+            )
+          : Future.value(false),
+      onDismissed: (_) async => onDismiss?.call(activityId),
+      // LTR
+      background: _DismissBackground(withDeleteIcon: onDismiss != null),
+      // RTL
+      secondaryBackground: _DismissBackground(
+        withDeleteIcon: onDismiss != null,
+        alignment: AlignmentDirectional.centerEnd,
+      ),
+      child: body,
+    );
+  }
+}
+
+class _DismissBackground extends StatelessWidget {
+  final AlignmentDirectional alignment;
+  final bool withDeleteIcon;
+
+  const _DismissBackground({required this.withDeleteIcon, this.alignment = AlignmentDirectional.centerStart});
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      alignment: alignment,
+      color: withDeleteIcon ? Colors.red[400] : Colors.grey[600],
+      child: withDeleteIcon
+          ? const Padding(
+              padding: EdgeInsets.all(15),
+              child: Icon(Icons.delete_sweep_rounded, color: Colors.black),
+            )
+          : null,
+    );
+  }
+}