Create new RoomHeader

res/css/views/rooms/_RoomHeader.pcss

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+/*
+Copyright 2023 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.
+*/
+
+:root {
+    --RoomHeader-indicator-dot-size: 8px;
+    --RoomHeader-indicator-dot-offset: -3px;
+    --RoomHeader-indicator-pulseColor: $alert;
+}
+
+.mx_RoomHeader {
+    flex: 0 0 50px;
+    border-bottom: 1px solid $primary-hairline-color;
+    background-color: $background;
+}
+
+.mx_RoomHeader_wrapper {
+    height: 44px;
+    display: flex;
+    align-items: center;
+    min-width: 0;
+    margin: 0 20px 0 16px;
+    padding-top: 6px;
+    border-bottom: 1px solid $separator;
+}
+
+.mx_RoomHeader_name {
+    flex: 0 1 auto;
+    overflow: hidden;
+    color: $primary-content;
+    font: var(--cpd-font-heading-sm-semibold);
+    font-weight: var(--cpd-font-weight-semibold);
+    min-height: 24px;
+    align-items: center;
+    border-radius: 6px;
+    margin: 0 3px;
+    padding: 1px 4px;
+    display: flex;
+    user-select: none;
+    cursor: pointer;
+}

src/components/views/rooms/RoomHeader.tsx

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+/*
+Copyright 2023 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 type { Room } from "matrix-js-sdk/src/models/room";
+import { _t } from "../../../languageHandler";
+import RoomName from "../elements/RoomName";
+import { IOOBData } from "../../../stores/ThreepidInviteStore";
+
+export default function RoomHeader({ room, oobData }: { room?: Room; oobData?: IOOBData }): JSX.Element {
+    let oobName = _t("Join Room");
+    if (oobData && oobData.name) {
+        oobName = oobData.name;
+    }
+
+    return (
+        <header className="mx_RoomHeader light-panel">
+            <div className="mx_RoomHeader_wrapper">
+                {room && (
+                    <RoomName room={room}>
+                        {(name) => {
+                            const roomName = name || oobName;
+                            return (
+                                <div
+                                    className="mx_RoomHeader_name"
+                                    dir="auto"
+                                    title={roomName}
+                                    role="heading"
+                                    aria-level={1}
+                                >
+                                    {roomName}
+                                </div>
+                            );
+                        }}
+                    </RoomName>
+                )}
+            </div>
+        </header>
+    );
+}