Prevent starting a voice message while recording a broadcast (#9844)

src/components/views/dialogs/CantStartVoiceMessageBroadcastDialog.tsx

@@ -0,0 +1,36 @@
+/*
+Copyright 2022 The Matrix.org Foundation C.I.C.
+
+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 React from "react";
+
+import { _t } from "../../../languageHandler";
+import Modal from "../../../Modal";
+import InfoDialog from "./InfoDialog";
+
+export const createCantStartVoiceMessageBroadcastDialog = (): void => {
+    Modal.createDialog(InfoDialog, {
+        title: _t("Can't start voice message"),
+        description: (
+            <p>
+                {_t(
+                    "You can't start a voice message as you are currently recording a live broadcast. " +
+                        "Please end your live broadcast in order to start recording a voice message.",
+                )}
+            </p>
+        ),
+        hasCloseButton: true,
+    });
+};