Add ability to change audio and video devices during a call (#7173)

src/components/views/context_menus/DeviceContextMenu.tsx

@@ -0,0 +1,89 @@
+/*
+Copyright 2021 Šimon Brandner <simon.bra.ag@gmail.com>
+
+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, { useEffect, useState } from "react";
+
+import MediaDeviceHandler, { MediaDeviceKindEnum } from "../../../MediaDeviceHandler";
+import IconizedContextMenu, { IconizedContextMenuOptionList, IconizedContextMenuRadio } from "./IconizedContextMenu";
+import { IProps as IContextMenuProps } from "../../structures/ContextMenu";
+import { _t, _td } from "../../../languageHandler";
+
+const SECTION_NAMES: Record<MediaDeviceKindEnum, string> = {
+    [MediaDeviceKindEnum.AudioInput]: _td("Input devices"),
+    [MediaDeviceKindEnum.AudioOutput]: _td("Output devices"),
+    [MediaDeviceKindEnum.VideoInput]: _td("Cameras"),
+};
+
+interface IDeviceContextMenuDeviceProps {
+    label: string;
+    selected: boolean;
+    onClick: () => void;
+}
+
+const DeviceContextMenuDevice: React.FC<IDeviceContextMenuDeviceProps> = ({ label, selected, onClick }) => {
+    return <IconizedContextMenuRadio
+        iconClassName="mx_DeviceContextMenu_device_icon"
+        label={label}
+        active={selected}
+        onClick={onClick}
+    />;
+};
+
+interface IDeviceContextMenuSectionProps {
+    deviceKind: MediaDeviceKindEnum;
+}
+
+const DeviceContextMenuSection: React.FC<IDeviceContextMenuSectionProps> = ({ deviceKind }) => {
+    const [devices, setDevices] = useState<MediaDeviceInfo[]>([]);
+    const [selectedDevice, setSelectedDevice] = useState(MediaDeviceHandler.getDevice(deviceKind));
+
+    useEffect(() => {
+        const getDevices = async () => {
+            return setDevices((await MediaDeviceHandler.getDevices())[deviceKind]);
+        };
+        getDevices();
+    }, [deviceKind]);
+
+    const onDeviceClick = (deviceId: string): void => {
+        MediaDeviceHandler.instance.setDevice(deviceId, deviceKind);
+        setSelectedDevice(deviceId);
+    };
+
+    return <IconizedContextMenuOptionList label={_t(SECTION_NAMES[deviceKind])}>
+        { devices.map(({ label, deviceId }) => {
+            return <DeviceContextMenuDevice
+                key={deviceId}
+                label={label}
+                selected={selectedDevice === deviceId}
+                onClick={() => onDeviceClick(deviceId)}
+            />;
+        }) }
+    </IconizedContextMenuOptionList>;
+};
+
+interface IProps extends IContextMenuProps {
+    deviceKinds: MediaDeviceKind[];
+}
+
+const DeviceContextMenu: React.FC<IProps> = ({ deviceKinds, ...props }) => {
+    return <IconizedContextMenu compact className="mx_DeviceContextMenu" {...props}>
+        { deviceKinds.map((kind) => {
+            return <DeviceContextMenuSection key={kind} deviceKind={kind as MediaDeviceKindEnum} />;
+        }) }
+    </IconizedContextMenu>;
+};
+
+export default DeviceContextMenu;

src/components/views/context_menus/IconizedContextMenu.tsx

@@ -33,6 +33,7 @@ interface IProps extends IContextMenuProps {
 interface IOptionListProps {
     first?: boolean;
     red?: boolean;
+    label?: string;
     className?: string;
 }
 
@@ -126,13 +127,20 @@ export const IconizedContextMenuOption: React.FC<IOptionProps> = ({
     </MenuItem>;
 };
 
-export const IconizedContextMenuOptionList: React.FC<IOptionListProps> = ({ first, red, className, children }) => {
+export const IconizedContextMenuOptionList: React.FC<IOptionListProps> = ({
+    first,
+    red,
+    className,
+    label,
+    children,
+}) => {
     const classes = classNames("mx_IconizedContextMenu_optionList", className, {
         mx_IconizedContextMenu_optionList_notFirst: !first,
         mx_IconizedContextMenu_optionList_red: red,
     });
 
     return <div className={classes}>
+        { label && <div><span className="mx_IconizedContextMenu_optionList_label">{ label }</span></div> }
         { children }
     </div>;
 };