Show room create icon if "UIComponent.roomCreation" is enabled

src/components/views/rooms/RoomSublist.tsx

@@ -55,6 +55,8 @@ import SettingsStore from "../../../settings/SettingsStore";
 import { SlidingSyncManager } from "../../../SlidingSyncManager";
 import NotificationBadge from "./NotificationBadge";
 import RoomTile from "./RoomTile";
+import { shouldShowComponent } from "../../../customisations/helpers/UIComponents";
+import { UIComponent } from "../../../settings/UIFeature";
 
 const SHOW_N_BUTTON_HEIGHT = 28; // As defined by CSS
 const RESIZE_HANDLE_HEIGHT = 4; // As defined by CSS
@@ -661,7 +663,7 @@ export default class RoomSublist extends React.Component<IProps, IState> {
                     );
 
                     let addRoomButton: JSX.Element | undefined;
-                    if (this.props.AuxButtonComponent) {
+                    if (this.props.AuxButtonComponent && shouldShowComponent(UIComponent.CreateRooms)) {
                         const AuxButtonComponent = this.props.AuxButtonComponent;
                         addRoomButton = <AuxButtonComponent tabIndex={tabIndex} />;
                     }

test/components/views/rooms/RoomSublist-test.tsx

@@ -0,0 +1,73 @@
+/*
+Copyright 2023 Mikhail Aheichyk
+Copyright 2023 Nordeck IT + Consulting GmbH.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+import { render, RenderResult, screen } from "@testing-library/react";
+import { ComponentProps } from "react";
+import React from "react";
+import { EventEmitter } from "events";
+import { mocked } from "jest-mock";
+
+import RoomSublist, { IAuxButtonProps } from "../../../../src/components/views/rooms/RoomSublist";
+import { DefaultTagID } from "../../../../src/stores/room-list/models";
+import ResizeNotifier from "../../../../src/utils/ResizeNotifier";
+import AccessibleButton from "../../../../src/components/views/elements/AccessibleButton";
+import { shouldShowComponent } from "../../../../src/customisations/helpers/UIComponents";
+import { UIComponent } from "../../../../src/settings/UIFeature";
+
+jest.mock("../../../../src/customisations/helpers/UIComponents", () => ({
+    shouldShowComponent: jest.fn(),
+}));
+
+const AuxButton: React.FC<IAuxButtonProps> = ({ tabIndex }) => {
+    return <AccessibleButton onClick={jest.fn()}>Add room</AccessibleButton>;
+};
+
+describe("RoomSublist", () => {
+    function renderComponent(props: Partial<ComponentProps<typeof RoomSublist>> = {}): RenderResult {
+        return render(
+            <RoomSublist
+                forRooms={true}
+                startAsHidden={false}
+                label="Rooms"
+                AuxButtonComponent={AuxButton}
+                isMinimized={false}
+                tagId={DefaultTagID.Untagged}
+                resizeNotifier={new EventEmitter() as unknown as ResizeNotifier}
+                alwaysVisible={true}
+                {...props}
+            />,
+        );
+    }
+
+    it("does not render when UIComponent customisations disable room creation", () => {
+        mocked(shouldShowComponent).mockReturnValue(false);
+
+        renderComponent();
+
+        expect(shouldShowComponent).toHaveBeenCalledWith(UIComponent.CreateRooms);
+        expect(screen.queryByRole("button", { name: "Add room" })).not.toBeInTheDocument();
+    });
+
+    it("renders when UIComponent customisations enable room creation", () => {
+        mocked(shouldShowComponent).mockReturnValue(true);
+
+        renderComponent();
+
+        expect(shouldShowComponent).toHaveBeenCalledWith(UIComponent.CreateRooms);
+        expect(screen.getByRole("button", { name: "Add room" })).toBeInTheDocument();
+    });
+});