New Room List: Improve robustness of keyboard navigation

playwright/e2e/left-panel/room-list-panel/room-list.spec.ts

@@ -252,6 +252,26 @@ test.describe("Room list", () => {
                 // Focus should be back on the notification button
                 await expect(notificationButton).toBeFocused();
             });
+
+            test("should navigate to the top and then bottom of the room list", async ({ page, app, user }) => {
+                const roomListView = getRoomList(page);
+
+                const topRoom = roomListView.getByRole("option", { name: "Open room room29" });
+
+                // open the room
+                await topRoom.click();
+                // put focus back on the room list item
+                await topRoom.click();
+                await expect(topRoom).toBeFocused();
+
+                await page.keyboard.press("End");
+                const bottomRoom = roomListView.getByRole("option", { name: "Open room room0" });
+                await expect(bottomRoom).toBeFocused();
+
+                await page.keyboard.press("Home");
+                const topRoomAgain = roomListView.getByRole("option", { name: "Open room room29" });
+                await expect(topRoomAgain).toBeFocused();
+            });
         });
     });
 

src/components/utils/ListView.tsx

@@ -133,13 +133,13 @@ export function ListView<Item, Context = any>(props: IListViewProps<Item, Contex
             }
             if (items[clampedIndex]) {
                 const key = getItemKey(items[clampedIndex]);
-                setTabIndexKey(key);
                 isScrollingToItem.current = true;
                 virtuosoHandleRef.current?.scrollIntoView({
                     index: clampedIndex,
                     align: align,
                     behavior: "auto",
                     done: () => {
+                        setTabIndexKey(key);
                         isScrollingToItem.current = false;
                     },
                 });