Allow adding extra icons to the room header (#22)

src/lifecycles/RoomViewLifecycle.ts

@@ -14,15 +14,29 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
+import React from "react";
+
 export enum RoomViewLifecycle {
     PreviewRoomNotLoggedIn = "preview_not_logged_in",
     JoinFromRoomPreview = "try_join_not_logged_in",
+    ViewRoom = "view_room",
 }
 
 export type RoomPreviewOpts = {
     canJoin: boolean;
 };
 
+export type ViewRoomOpts = {
+    buttons: Array<{
+        icon: React.ReactNode;
+        id: string;
+        label: () => string;
+        onClick: () => void;
+    }>;
+};
+
 export type RoomPreviewListener = (opts: RoomPreviewOpts, roomId: string) => void;
 
 export type JoinFromPreviewListener = (roomId: string) => void;
+
+export type ViewRoomListener = (opts: ViewRoomOpts, roomId: string) => void;

test/lifecycles/RoomViewLifecycle.test.tsx

@@ -0,0 +1,53 @@
+/*
+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 { RuntimeModule } from "../../src";
+import { ViewRoomListener, ViewRoomOpts, RoomViewLifecycle } from "../../src/lifecycles/RoomViewLifecycle";
+
+describe("RoomViewLifecycle", () => {
+    const roomHeaderOpts: ViewRoomOpts = {
+        buttons: [
+            {
+                icon: "test-icon",
+                id: "test-id",
+                label: () => "test-label",
+                onClick: () => {},
+            },
+        ],
+    };
+
+    let module: RuntimeModule;
+
+    beforeAll(() => {
+        module = new (class extends RuntimeModule {
+            public constructor() {
+                super(undefined as any);
+
+                this.on(RoomViewLifecycle.ViewRoom, this.renderRoomHeaderListener);
+            }
+
+            protected renderRoomHeaderListener: ViewRoomListener = (opts, roomId) => {
+                opts.buttons = roomHeaderOpts.buttons;
+            };
+        })();
+    });
+
+    it("should handle additional buttons", () => {
+        const opts: ViewRoomOpts = { buttons: [] };
+        module.emit(RoomViewLifecycle.ViewRoom, opts);
+        expect(opts).toEqual(roomHeaderOpts);
+    });
+});