Add UI for local volume control

Signed-off-by: Šimon Brandner <simon.bra.ag@gmail.com>

src/video-grid/VideoTileSettingsModal.tsx

@@ -0,0 +1,73 @@
+/*
+Copyright 2022 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, { ChangeEvent, useState } from "react";
+import { CallFeed } from "matrix-js-sdk/src/webrtc/callFeed";
+
+import selectInputStyles from "../input/SelectInput.module.css";
+import { FieldRow } from "../input/Input";
+import { Modal } from "../Modal";
+import styles from "./VideoTileSettingsModal.module.css";
+
+interface LocalVolumeProps {
+  feed: CallFeed;
+}
+
+const LocalVolume: React.FC<LocalVolumeProps> = ({
+  feed,
+}: LocalVolumeProps) => {
+  const [localVolume, setLocalVolume] = useState<number>(feed.getLocalVolume());
+
+  const onLocalVolumeChanged = (event: ChangeEvent<HTMLInputElement>) => {
+    const value: number = +event.target.value;
+    setLocalVolume(value);
+    feed.setLocalVolume(value);
+  };
+
+  return (
+    <>
+      <h4 className={selectInputStyles.label}> Local Volume </h4>
+      <FieldRow>
+        <span className={styles.localVolumePercentage}>
+          {`${Math.round(localVolume * 100)}%`}
+        </span>
+        <input
+          className={styles.localVolumeSlider}
+          type="range"
+          min="0"
+          max="1"
+          step="0.01"
+          value={localVolume}
+          onChange={onLocalVolumeChanged}
+        />
+      </FieldRow>
+    </>
+  );
+};
+
+interface Props {
+  feed: CallFeed;
+}
+
+export const VideoTileSettingsModal = (props: Props) => {
+  return (
+    <Modal title="Feed settings" isDismissable mobileFullScreen {...props}>
+      <div className={styles.content}>
+        <LocalVolume feed={props.feed} />
+      </div>
+    </Modal>
+  );
+};