catalog: scrollFocused driven by keydown arrows (Controller may not own arrows); keeps card visible

plugin.js

@@ -83,6 +83,16 @@
         var body;
         var grid;
 
+        // Keep the focused card visible while navigating down/up (native Lampa behaviour).
+        function scrollFocused() {
+            var cont = document.querySelector('.mymovies');
+            var el = document.querySelector('.mymovies .card.selector.focus');
+            if (cont && el) {
+                var delta = el.getBoundingClientRect().top - cont.getBoundingClientRect().top;
+                cont.scrollTop += delta - 100;
+            }
+        }
+
         this.create = function (b) {
             body = b;
             comp._onKey = function (e) {
@@ -90,6 +100,9 @@
                     e.preventDefault();
                     e.stopPropagation();
                     Lampa.Activity.backward();
+                } else if (e.key === 'ArrowDown' || e.key === 'ArrowUp') {
+                    // After Navigator moves focus, keep the focused card visible.
+                    setTimeout(scrollFocused, 30);
                 }
             };
             document.addEventListener('keydown', comp._onKey, true);
@@ -147,18 +160,10 @@
                 },
                 left: function () { if (Navigator.canmove('left')) Navigator.move('left'); else Lampa.Controller.toggle('menu'); },
                 right: function () { Navigator.move('right'); },
-                up: function () { Navigator.move('up'); setTimeout(scrollFocused, 30); },
-                down: function () { Navigator.move('down'); setTimeout(scrollFocused, 30); },
+                up: function () { Navigator.move('up'); },
+                down: function () { Navigator.move('down'); },
                 back: function () { Lampa.Activity.backward(); }
             });
-            function scrollFocused() {
-                var cont = document.querySelector('.mymovies');
-                var el = document.querySelector('.mymovies .card.selector.focus');
-                if (cont && el) {
-                    var delta = el.getBoundingClientRect().top - cont.getBoundingClientRect().top;
-                    cont.scrollTop += delta - 100;
-                }
-            }
             Lampa.Controller.toggle('content');
         };