Iterate video room designs in labs (#8499)

* Remove blank header from video room view frame

* Add video room option to space context menu

* Remove duplicate tooltips from face piles

* Factor RoomInfoLine out of SpaceRoomView

* Factor RoomPreviewCard out of SpaceRoomView

* Adapt RoomPreviewCard for video rooms

* "New video room" → "Video room"

* Add comment about unused cases in RoomPreviewCard

* Make widgets in video rooms mutable again to de-risk future upgrades

* Ensure that the video channel exists when mounting VideoRoomView

res/css/_components.scss

@@ -256,9 +256,11 @@
 @import "./views/rooms/_ReplyTile.scss";
 @import "./views/rooms/_RoomBreadcrumbs.scss";
 @import "./views/rooms/_RoomHeader.scss";
+@import "./views/rooms/_RoomInfoLine.scss";
 @import "./views/rooms/_RoomList.scss";
 @import "./views/rooms/_RoomListHeader.scss";
 @import "./views/rooms/_RoomPreviewBar.scss";
+@import "./views/rooms/_RoomPreviewCard.scss";
 @import "./views/rooms/_RoomSublist.scss";
 @import "./views/rooms/_RoomTile.scss";
 @import "./views/rooms/_RoomUpgradeWarningBar.scss";

res/css/structures/_SpaceRoomView.scss

@@ -137,124 +137,6 @@ $SpaceRoomViewInnerWidth: 428px;
         }
     }
 
-    .mx_SpaceRoomView_preview,
-    .mx_SpaceRoomView_landing {
-        .mx_SpaceRoomView_info_memberCount {
-            color: inherit;
-            position: relative;
-            padding: 0 0 0 16px;
-            font-size: $font-15px;
-            display: inline; // cancel inline-flex
-
-            &::before {
-                content: "·"; // visual separator
-                position: absolute;
-                left: 6px;
-            }
-        }
-    }
-
-    .mx_SpaceRoomView_preview {
-        padding: 32px 24px !important; // override default padding from above
-        margin: auto;
-        max-width: 480px;
-        box-sizing: border-box;
-        box-shadow: 2px 15px 30px $dialog-shadow-color;
-        border-radius: 8px;
-        position: relative;
-
-        // XXX remove this when spaces leaves Beta
-        .mx_BetaCard_betaPill {
-            position: absolute;
-            right: 24px;
-            top: 32px;
-        }
-
-        // XXX remove this when spaces leaves Beta
-        .mx_SpaceRoomView_preview_spaceBetaPrompt {
-            font-weight: $font-semi-bold;
-            font-size: $font-14px;
-            line-height: $font-24px;
-            color: $primary-content;
-            margin-top: 24px;
-            position: relative;
-            padding-left: 24px;
-
-            .mx_AccessibleButton_kind_link {
-                display: inline;
-                padding: 0;
-                font-size: inherit;
-                line-height: inherit;
-            }
-
-            &::before {
-                content: "";
-                position: absolute;
-                height: $font-24px;
-                width: 20px;
-                left: 0;
-                mask-repeat: no-repeat;
-                mask-position: center;
-                mask-size: contain;
-                mask-image: url('$(res)/img/element-icons/room/room-summary.svg');
-                background-color: $secondary-content;
-            }
-        }
-
-        .mx_SpaceRoomView_preview_inviter {
-            display: flex;
-            align-items: center;
-            margin-bottom: 20px;
-            font-size: $font-15px;
-
-            > div {
-                margin-left: 8px;
-
-                .mx_SpaceRoomView_preview_inviter_name {
-                    line-height: $font-18px;
-                }
-
-                .mx_SpaceRoomView_preview_inviter_mxid {
-                    line-height: $font-24px;
-                    color: $secondary-content;
-                }
-            }
-        }
-
-        > .mx_RoomAvatar_isSpaceRoom {
-            &.mx_BaseAvatar_image, .mx_BaseAvatar_image {
-                border-radius: 12px;
-            }
-        }
-
-        h1.mx_SpaceRoomView_preview_name {
-            margin: 20px 0 !important; // override default margin from above
-        }
-
-        .mx_SpaceRoomView_preview_topic {
-            font-size: $font-14px;
-            line-height: $font-22px;
-            color: $secondary-content;
-            margin: 20px 0;
-            max-height: 160px;
-            overflow-y: auto;
-        }
-
-        .mx_SpaceRoomView_preview_joinButtons {
-            margin-top: 20px;
-
-            .mx_AccessibleButton {
-                width: 200px;
-                box-sizing: border-box;
-                padding: 14px 0;
-
-                & + .mx_AccessibleButton {
-                    margin-left: 20px;
-                }
-            }
-        }
-    }
-
     .mx_SpaceRoomView_landing {
         display: flex;
         flex-direction: column;
@@ -314,40 +196,6 @@ $SpaceRoomViewInnerWidth: 428px;
             flex-wrap: wrap;
             line-height: $font-24px;
 
-            .mx_SpaceRoomView_info {
-                color: $secondary-content;
-                font-size: $font-15px;
-                display: inline-block;
-
-                .mx_SpaceRoomView_info_public,
-                .mx_SpaceRoomView_info_private {
-                    padding-left: 20px;
-                    position: relative;
-
-                    &::before {
-                        position: absolute;
-                        content: "";
-                        width: 20px;
-                        height: 20px;
-                        top: 0;
-                        left: -2px;
-                        mask-position: center;
-                        mask-repeat: no-repeat;
-                        background-color: $tertiary-content;
-                    }
-                }
-
-                .mx_SpaceRoomView_info_public::before {
-                    mask-size: 12px;
-                    mask-image: url("$(res)/img/globe.svg");
-                }
-
-                .mx_SpaceRoomView_info_private::before {
-                    mask-size: 14px;
-                    mask-image: url("$(res)/img/element-icons/lock.svg");
-                }
-            }
-
             .mx_SpaceRoomView_landing_infoBar_interactive {
                 display: flex;
                 flex-wrap: wrap;

res/css/structures/_VideoRoomView.scss

@@ -24,8 +24,7 @@ limitations under the License.
     margin-right: calc($container-gap-width / 2);
 
     background-color: $header-panel-bg-color;
-    padding-top: 33px; // to match the right panel chat heading
+    padding: 8px;
-    border: 8px solid $header-panel-bg-color;
     border-radius: 8px;
 
     .mx_AppTile {

res/css/views/elements/_FacePile.scss

@@ -15,6 +15,9 @@ limitations under the License.
 */
 
 .mx_FacePile {
+    display: flex;
+    align-items: center;
+
     .mx_FacePile_faces {
         display: inline-flex;
         flex-direction: row-reverse;

res/css/views/rooms/_RoomInfoLine.scss

@@ -0,0 +1,58 @@
+/*
+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.
+*/
+
+.mx_RoomInfoLine {
+    color: $secondary-content;
+    display: inline-block;
+
+    &::before {
+        content: "";
+        display: inline-block;
+        height: 1.2em;
+        mask-position-y: center;
+        mask-repeat: no-repeat;
+        background-color: $tertiary-content;
+        vertical-align: text-bottom;
+        margin-right: 6px;
+    }
+
+    &.mx_RoomInfoLine_public::before {
+        width: 12px;
+        mask-size: 12px;
+        mask-image: url("$(res)/img/globe.svg");
+    }
+
+    &.mx_RoomInfoLine_private::before {
+        width: 14px;
+        mask-size: 14px;
+        mask-image: url("$(res)/img/element-icons/lock.svg");
+    }
+
+    &.mx_RoomInfoLine_video::before {
+        width: 16px;
+        mask-size: 16px;
+        mask-image: url("$(res)/img/element-icons/call/video-call.svg");
+    }
+
+    .mx_RoomInfoLine_members {
+        color: inherit;
+
+        &::before {
+            content: "·"; // visual separator
+            margin: 0 6px;
+        }
+    }
+}

res/css/views/rooms/_RoomPreviewCard.scss

@@ -0,0 +1,136 @@
+/*
+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.
+*/
+
+.mx_RoomPreviewCard {
+    padding: $spacing-32 $spacing-24 !important; // Override SpaceRoomView's default padding
+    margin: auto;
+    flex-grow: 1;
+    max-width: 480px;
+    box-sizing: border-box;
+    background-color: $system;
+    border-radius: 8px;
+    position: relative;
+    font-size: $font-14px;
+
+    .mx_RoomPreviewCard_notice {
+        font-weight: $font-semi-bold;
+        line-height: $font-24px;
+        color: $primary-content;
+        margin-top: $spacing-24;
+        position: relative;
+        padding-left: calc(20px + $spacing-8);
+
+        .mx_AccessibleButton_kind_link {
+            display: inline;
+            padding: 0;
+            font-size: inherit;
+            line-height: inherit;
+        }
+
+        &::before {
+            content: "";
+            position: absolute;
+            height: $font-24px;
+            width: 20px;
+            left: 0;
+            mask-repeat: no-repeat;
+            mask-position: center;
+            mask-size: contain;
+            mask-image: url('$(res)/img/element-icons/room/room-summary.svg');
+            background-color: $secondary-content;
+        }
+    }
+
+    .mx_RoomPreviewCard_inviter {
+        display: flex;
+        align-items: center;
+        margin-bottom: $spacing-20;
+        font-size: $font-15px;
+
+        > div {
+            margin-left: $spacing-8;
+
+            .mx_RoomPreviewCard_inviter_name {
+                line-height: $font-18px;
+            }
+
+            .mx_RoomPreviewCard_inviter_mxid {
+                color: $secondary-content;
+            }
+        }
+    }
+
+    .mx_RoomPreviewCard_avatar {
+        display: flex;
+        align-items: center;
+
+        .mx_RoomAvatar_isSpaceRoom {
+            &.mx_BaseAvatar_image, .mx_BaseAvatar_image {
+                border-radius: 12px;
+            }
+        }
+
+        .mx_RoomPreviewCard_video {
+            width: 50px;
+            height: 50px;
+            border-radius: calc((50px + 2 * 3px) / 2);
+            background-color: $accent;
+            border: 3px solid $system;
+
+            position: relative;
+            left: calc(-50px / 4 - 3px);
+
+            &::before {
+                content: "";
+                background-color: $button-primary-fg-color;
+                position: absolute;
+                width: 50px;
+                height: 50px;
+                mask-size: 22px;
+                mask-position: center;
+                mask-repeat: no-repeat;
+                mask-image: url('$(res)/img/element-icons/call/video-call.svg');
+            }
+        }
+    }
+
+    h1.mx_RoomPreviewCard_name {
+        margin: $spacing-16 0 !important; // Override SpaceRoomView's default margins
+    }
+
+    .mx_RoomPreviewCard_topic {
+        line-height: $font-22px;
+        margin-top: $spacing-16;
+        max-height: 160px;
+        overflow-y: auto;
+    }
+
+    .mx_FacePile {
+        margin-top: $spacing-20;
+    }
+
+    .mx_RoomPreviewCard_joinButtons {
+        margin-top: $spacing-20;
+        display: flex;
+        gap: $spacing-20;
+
+        .mx_AccessibleButton {
+            max-width: 200px;
+            padding: 14px 0;
+            flex-grow: 1;
+        }
+    }
+}

src/components/structures/RoomView.tsx

@@ -65,6 +65,7 @@ import ScrollPanel from "./ScrollPanel";
 import TimelinePanel from "./TimelinePanel";
 import ErrorBoundary from "../views/elements/ErrorBoundary";
 import RoomPreviewBar from "../views/rooms/RoomPreviewBar";
+import RoomPreviewCard from "../views/rooms/RoomPreviewCard";
 import SearchBar, { SearchScope } from "../views/rooms/SearchBar";
 import RoomUpgradeWarningBar from "../views/rooms/RoomUpgradeWarningBar";
 import AuxPanel from "../views/rooms/AuxPanel";
@@ -1831,6 +1832,21 @@ export class RoomView extends React.Component<IRoomProps, IRoomState> {
         }
 
         const myMembership = this.state.room.getMyMembership();
+        if (
+            this.state.room.isElementVideoRoom() &&
+            !(SettingsStore.getValue("feature_video_rooms") && myMembership === "join")
+        ) {
+            return <ErrorBoundary>
+                <div className="mx_MainSplit">
+                    <RoomPreviewCard
+                        room={this.state.room}
+                        onJoinButtonClicked={this.onJoinButtonClicked}
+                        onRejectButtonClicked={this.onRejectButtonClicked}
+                    />
+                </div>;
+            </ErrorBoundary>;
+        }
+
         // SpaceRoomView handles invites itself
         if (myMembership === "invite" && !this.state.room.isSpaceRoom()) {
             if (this.state.joining || this.state.rejecting) {

src/components/structures/SpaceRoomView.tsx

@@ -26,13 +26,10 @@ import { _t } from "../../languageHandler";
 import AccessibleButton from "../views/elements/AccessibleButton";
 import RoomName from "../views/elements/RoomName";
 import RoomTopic from "../views/elements/RoomTopic";
-import InlineSpinner from "../views/elements/InlineSpinner";
 import { inviteMultipleToRoom, showRoomInviteDialog } from "../../RoomInvite";
-import { useRoomMembers } from "../../hooks/useRoomMembers";
 import { useFeatureEnabled } from "../../hooks/useSettings";
 import createRoom, { IOpts } from "../../createRoom";
 import Field from "../views/elements/Field";
-import { useTypedEventEmitter } from "../../hooks/useEventEmitter";
 import withValidation from "../views/elements/Validation";
 import * as Email from "../../email";
 import defaultDispatcher from "../../dispatcher/dispatcher";
@@ -56,7 +53,6 @@ import {
     showSpaceSettings,
 } from "../../utils/space";
 import SpaceHierarchy, { showRoom } from "./SpaceHierarchy";
-import MemberAvatar from "../views/avatars/MemberAvatar";
 import RoomFacePile from "../views/elements/RoomFacePile";
 import {
     AddExistingToSpace,
@@ -70,11 +66,10 @@ import IconizedContextMenu, {
 } from "../views/context_menus/IconizedContextMenu";
 import AccessibleTooltipButton from "../views/elements/AccessibleTooltipButton";
 import { BetaPill } from "../views/beta/BetaCard";
-import { EffectiveMembership, getEffectiveMembership } from "../../utils/membership";
 import { SpaceFeedbackPrompt } from "../views/spaces/SpaceCreateMenu";
-import { useAsyncMemo } from "../../hooks/useAsyncMemo";
+import RoomInfoLine from "../views/rooms/RoomInfoLine";
-import { useDispatcher } from "../../hooks/useDispatcher";
+import RoomPreviewCard from "../views/rooms/RoomPreviewCard";
-import { useRoomState } from "../../hooks/useRoomState";
+import { useMyRoomMembership } from "../../hooks/useRoomMembers";
 import { shouldShowComponent } from "../../customisations/helpers/UIComponents";
 import { UIComponent } from "../../settings/UIFeature";
 import { UPDATE_EVENT } from "../../stores/AsyncStore";
@@ -106,205 +101,6 @@ enum Phase {
     PrivateExistingRooms,
 }
 
-const RoomMemberCount = ({ room, children }) => {
-    const members = useRoomMembers(room);
-    const count = members.length;
-
-    if (children) return children(count);
-    return count;
-};
-
-const useMyRoomMembership = (room: Room) => {
-    const [membership, setMembership] = useState(room.getMyMembership());
-    useTypedEventEmitter(room, RoomEvent.MyMembership, () => {
-        setMembership(room.getMyMembership());
-    });
-    return membership;
-};
-
-const SpaceInfo = ({ space }: { space: Room }) => {
-    // summary will begin as undefined whilst loading and go null if it fails to load or we are not invited.
-    const summary = useAsyncMemo(async () => {
-        if (space.getMyMembership() !== "invite") return null;
-        try {
-            return space.client.getRoomSummary(space.roomId);
-        } catch (e) {
-            return null;
-        }
-    }, [space]);
-    const joinRule = useRoomState(space, state => state.getJoinRule());
-    const membership = useMyRoomMembership(space);
-
-    let visibilitySection;
-    if (joinRule === JoinRule.Public) {
-        visibilitySection = <span className="mx_SpaceRoomView_info_public">
-            { _t("Public space") }
-        </span>;
-    } else {
-        visibilitySection = <span className="mx_SpaceRoomView_info_private">
-            { _t("Private space") }
-        </span>;
-    }
-
-    let memberSection;
-    if (membership === "invite" && summary) {
-        // Don't trust local state and instead use the summary API
-        memberSection = <span className="mx_SpaceRoomView_info_memberCount">
-            { _t("%(count)s members", { count: summary.num_joined_members }) }
-        </span>;
-    } else if (summary !== undefined) { // summary is not still loading
-        memberSection = <RoomMemberCount room={space}>
-            { (count) => count > 0 ? (
-                <AccessibleButton
-                    kind="link"
-                    className="mx_SpaceRoomView_info_memberCount"
-                    onClick={() => {
-                        RightPanelStore.instance.setCard({ phase: RightPanelPhases.SpaceMemberList });
-                    }}
-                >
-                    { _t("%(count)s members", { count }) }
-                </AccessibleButton>
-            ) : null }
-        </RoomMemberCount>;
-    }
-
-    return <div className="mx_SpaceRoomView_info">
-        { visibilitySection }
-        { memberSection }
-    </div>;
-};
-
-interface ISpacePreviewProps {
-    space: Room;
-    onJoinButtonClicked(): void;
-    onRejectButtonClicked(): void;
-}
-
-const SpacePreview = ({ space, onJoinButtonClicked, onRejectButtonClicked }: ISpacePreviewProps) => {
-    const cli = useContext(MatrixClientContext);
-    const myMembership = useMyRoomMembership(space);
-    useDispatcher(defaultDispatcher, payload => {
-        if (payload.action === Action.JoinRoomError && payload.roomId === space.roomId) {
-            setBusy(false); // stop the spinner, join failed
-        }
-    });
-
-    const [busy, setBusy] = useState(false);
-
-    const joinRule = useRoomState(space, state => state.getJoinRule());
-    const cannotJoin = getEffectiveMembership(myMembership) === EffectiveMembership.Leave
-        && joinRule !== JoinRule.Public;
-
-    let inviterSection;
-    let joinButtons;
-    if (myMembership === "join") {
-        // XXX remove this when spaces leaves Beta
-        joinButtons = (
-            <AccessibleButton
-                kind="danger_outline"
-                onClick={() => {
-                    defaultDispatcher.dispatch({
-                        action: "leave_room",
-                        room_id: space.roomId,
-                    });
-                }}
-            >
-                { _t("Leave") }
-            </AccessibleButton>
-        );
-    } else if (myMembership === "invite") {
-        const inviteSender = space.getMember(cli.getUserId())?.events.member?.getSender();
-        const inviter = inviteSender && space.getMember(inviteSender);
-
-        if (inviteSender) {
-            inviterSection = <div className="mx_SpaceRoomView_preview_inviter">
-                <MemberAvatar member={inviter} fallbackUserId={inviteSender} width={32} height={32} />
-                <div>
-                    <div className="mx_SpaceRoomView_preview_inviter_name">
-                        { _t("<inviter/> invites you", {}, {
-                            inviter: () => <b>{ inviter?.name || inviteSender }</b>,
-                        }) }
-                    </div>
-                    { inviter ? <div className="mx_SpaceRoomView_preview_inviter_mxid">
-                        { inviteSender }
-                    </div> : null }
-                </div>
-            </div>;
-        }
-
-        joinButtons = <>
-            <AccessibleButton
-                kind="secondary"
-                onClick={() => {
-                    setBusy(true);
-                    onRejectButtonClicked();
-                }}
-            >
-                { _t("Reject") }
-            </AccessibleButton>
-            <AccessibleButton
-                kind="primary"
-                onClick={() => {
-                    setBusy(true);
-                    onJoinButtonClicked();
-                }}
-            >
-                { _t("Accept") }
-            </AccessibleButton>
-        </>;
-    } else {
-        joinButtons = (
-            <AccessibleButton
-                kind="primary"
-                onClick={() => {
-                    onJoinButtonClicked();
-                    if (!cli.isGuest()) {
-                        // user will be shown a modal that won't fire a room join error
-                        setBusy(true);
-                    }
-                }}
-                disabled={cannotJoin}
-            >
-                { _t("Join") }
-            </AccessibleButton>
-        );
-    }
-
-    if (busy) {
-        joinButtons = <InlineSpinner />;
-    }
-
-    let footer;
-    if (cannotJoin) {
-        footer = <div className="mx_SpaceRoomView_preview_spaceBetaPrompt">
-            { _t("To view %(spaceName)s, you need an invite", {
-                spaceName: space.name,
-            }) }
-        </div>;
-    }
-
-    return <div className="mx_SpaceRoomView_preview">
-        { inviterSection }
-        <RoomAvatar room={space} height={80} width={80} viewAvatarOnClick={true} />
-        <h1 className="mx_SpaceRoomView_preview_name">
-            <RoomName room={space} />
-        </h1>
-        <SpaceInfo space={space} />
-        <RoomTopic room={space}>
-            { (topic, ref) =>
-                <div className="mx_SpaceRoomView_preview_topic" ref={ref}>
-                    { topic }
-                </div>
-            }
-        </RoomTopic>
-        { space.getJoinRule() === "public" && <RoomFacePile room={space} /> }
-        <div className="mx_SpaceRoomView_preview_joinButtons">
-            { joinButtons }
-        </div>
-        { footer }
-    </div>;
-};
-
 const SpaceLandingAddButton = ({ space }) => {
     const [menuDisplayed, handle, openMenu, closeMenu] = useContextMenu();
     const canCreateRoom = shouldShowComponent(UIComponent.CreateRooms);
@@ -339,7 +135,7 @@ const SpaceLandingAddButton = ({ space }) => {
                         }}
                     />
                     { videoRoomsEnabled && <IconizedContextMenuOption
-                        label={_t("New video room")}
+                        label={_t("Video room")}
                         iconClassName="mx_RoomList_iconNewVideoRoom"
                         onClick={async (e) => {
                             e.preventDefault();
@@ -451,7 +247,7 @@ const SpaceLanding = ({ space }: { space: Room }) => {
             </RoomName>
         </div>
         <div className="mx_SpaceRoomView_landing_infoBar">
-            <SpaceInfo space={space} />
+            <RoomInfoLine room={space} />
             <div className="mx_SpaceRoomView_landing_infoBar_interactive">
                 <RoomFacePile room={space} onlyKnownUsers={false} numShown={7} onClick={onMembersClick} />
                 { inviteButton }
@@ -846,8 +642,8 @@ export default class SpaceRoomView extends React.PureComponent<IProps, IState> {
                 if (this.state.myMembership === "join") {
                     return <SpaceLanding space={this.props.space} />;
                 } else {
-                    return <SpacePreview
+                    return <RoomPreviewCard
-                        space={this.props.space}
+                        room={this.props.space}
                         onJoinButtonClicked={this.props.onJoinButtonClicked}
                         onRejectButtonClicked={this.props.onRejectButtonClicked}
                     />;

src/components/structures/VideoRoomView.tsx

@@ -20,28 +20,47 @@ import { Room } from "matrix-js-sdk/src/models/room";
 
 import MatrixClientContext from "../../contexts/MatrixClientContext";
 import { useEventEmitter } from "../../hooks/useEventEmitter";
-import { getVideoChannel } from "../../utils/VideoChannelUtils";
+import WidgetUtils from "../../utils/WidgetUtils";
-import WidgetStore from "../../stores/WidgetStore";
+import { addVideoChannel, getVideoChannel } from "../../utils/VideoChannelUtils";
+import WidgetStore, { IApp } from "../../stores/WidgetStore";
 import { UPDATE_EVENT } from "../../stores/AsyncStore";
 import VideoChannelStore, { VideoChannelEvent } from "../../stores/VideoChannelStore";
 import AppTile from "../views/elements/AppTile";
 import VideoLobby from "../views/voip/VideoLobby";
 
-const VideoRoomView: FC<{ room: Room, resizing: boolean }> = ({ room, resizing }) => {
+interface IProps {
+    room: Room;
+    resizing: boolean;
+}
+
+const VideoRoomView: FC<IProps> = ({ room, resizing }) => {
     const cli = useContext(MatrixClientContext);
     const store = VideoChannelStore.instance;
 
     // In case we mount before the WidgetStore knows about our Jitsi widget
+    const [widgetStoreReady, setWidgetStoreReady] = useState(Boolean(WidgetStore.instance.matrixClient));
     const [widgetLoaded, setWidgetLoaded] = useState(false);
     useEventEmitter(WidgetStore.instance, UPDATE_EVENT, (roomId: string) => {
-        if (roomId === null || roomId === room.roomId) setWidgetLoaded(true);
+        if (roomId === null) setWidgetStoreReady(true);
+        if (roomId === null || roomId === room.roomId) {
+            setWidgetLoaded(Boolean(getVideoChannel(room.roomId)));
+        }
     });
 
-    const app = useMemo(() => {
+    const app: IApp = useMemo(() => {
+        if (widgetStoreReady) {
             const app = getVideoChannel(room.roomId);
-        if (!app) logger.warn(`No video channel for room ${room.roomId}`);
+            if (!app) {
+                logger.warn(`No video channel for room ${room.roomId}`);
+                // Since widgets in video rooms are mutable, we'll take this opportunity to
+                // reinstate the Jitsi widget in case another client removed it
+                if (WidgetUtils.canUserModifyWidgets(room.roomId)) {
+                    addVideoChannel(room.roomId, room.name);
+                }
+            }
             return app;
-    }, [room, widgetLoaded]); // eslint-disable-line react-hooks/exhaustive-deps
+        }
+    }, [room, widgetStoreReady, widgetLoaded]); // eslint-disable-line react-hooks/exhaustive-deps
 
     const [connected, setConnected] = useState(store.connected && store.roomId === room.roomId);
     useEventEmitter(store, VideoChannelEvent.Connect, () => setConnected(store.roomId === room.roomId));

src/components/views/context_menus/SpaceContextMenu.tsx

@@ -16,7 +16,7 @@ limitations under the License.
 
 import React, { useContext } from "react";
 import { Room } from "matrix-js-sdk/src/models/room";
-import { EventType } from "matrix-js-sdk/src/@types/event";
+import { EventType, RoomType } from "matrix-js-sdk/src/@types/event";
 
 import { IProps as IContextMenuProps } from "../../structures/ContextMenu";
 import IconizedContextMenu, { IconizedContextMenuOption, IconizedContextMenuOptionList } from "./IconizedContextMenu";
@@ -136,6 +136,7 @@ const SpaceContextMenu = ({ space, hideHeader, onFinished, ...props }: IProps) =
 
     const hasPermissionToAddSpaceChild = space.currentState.maySendStateEvent(EventType.SpaceChild, userId);
     const canAddRooms = hasPermissionToAddSpaceChild && shouldShowComponent(UIComponent.CreateRooms);
+    const canAddVideoRooms = canAddRooms && SettingsStore.getValue("feature_video_rooms");
     const canAddSubSpaces = hasPermissionToAddSpaceChild && shouldShowComponent(UIComponent.CreateSpaces);
 
     let newRoomSection: JSX.Element;
@@ -149,6 +150,14 @@ const SpaceContextMenu = ({ space, hideHeader, onFinished, ...props }: IProps) =
             onFinished();
         };
 
+        const onNewVideoRoomClick = (ev: ButtonEvent) => {
+            ev.preventDefault();
+            ev.stopPropagation();
+
+            showCreateNewRoom(space, RoomType.ElementVideo);
+            onFinished();
+        };
+
         const onNewSubspaceClick = (ev: ButtonEvent) => {
             ev.preventDefault();
             ev.stopPropagation();
@@ -169,6 +178,14 @@ const SpaceContextMenu = ({ space, hideHeader, onFinished, ...props }: IProps) =
                     onClick={onNewRoomClick}
                 />
             }
+            { canAddVideoRooms &&
+                <IconizedContextMenuOption
+                    data-test-id='new-video-room-option'
+                    iconClassName="mx_SpacePanel_iconPlus"
+                    label={_t("Video room")}
+                    onClick={onNewVideoRoomClick}
+                />
+            }
             { canAddSubSpaces &&
                 <IconizedContextMenuOption
                     data-test-id='new-subspace-option'

src/components/views/elements/FacePile.tsx

@@ -31,10 +31,16 @@ interface IProps extends HTMLAttributes<HTMLSpanElement> {
 
 const FacePile: FC<IProps> = ({ members, faceSize, overflow, tooltip, children, ...props }) => {
     const faces = members.map(
-        tooltip ?
+        tooltip
-            m => <MemberAvatar key={m.userId} member={m} width={faceSize} height={faceSize} /> :
+            ? m => <MemberAvatar key={m.userId} member={m} width={faceSize} height={faceSize} hideTitle />
-            m => <TooltipTarget key={m.userId} label={m.name}>
+            : m => <TooltipTarget key={m.userId} label={m.name}>
-                <MemberAvatar member={m} width={faceSize} height={faceSize} viewUserOnClick={!props.onClick} />
+                <MemberAvatar
+                    member={m}
+                    width={faceSize}
+                    height={faceSize}
+                    viewUserOnClick={!props.onClick}
+                    hideTitle
+                />
             </TooltipTarget>,
     );
 

src/components/views/rooms/RoomInfoLine.tsx

@@ -0,0 +1,86 @@
+/*
+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, { FC } from "react";
+import { Room } from "matrix-js-sdk/src/models/room";
+import { JoinRule } from "matrix-js-sdk/src/@types/partials";
+
+import { _t } from "../../../languageHandler";
+import RightPanelStore from "../../../stores/right-panel/RightPanelStore";
+import { RightPanelPhases } from "../../../stores/right-panel/RightPanelStorePhases";
+import { useAsyncMemo } from "../../../hooks/useAsyncMemo";
+import { useRoomState } from "../../../hooks/useRoomState";
+import { useRoomMemberCount, useMyRoomMembership } from "../../../hooks/useRoomMembers";
+import AccessibleButton from "../elements/AccessibleButton";
+
+interface IProps {
+    room: Room;
+}
+
+const RoomInfoLine: FC<IProps> = ({ room }) => {
+    // summary will begin as undefined whilst loading and go null if it fails to load or we are not invited.
+    const summary = useAsyncMemo(async () => {
+        if (room.getMyMembership() !== "invite") return null;
+        try {
+            return room.client.getRoomSummary(room.roomId);
+        } catch (e) {
+            return null;
+        }
+    }, [room]);
+    const joinRule = useRoomState(room, state => state.getJoinRule());
+    const membership = useMyRoomMembership(room);
+    const memberCount = useRoomMemberCount(room);
+
+    let iconClass: string;
+    let roomType: string;
+    if (room.isElementVideoRoom()) {
+        iconClass = "mx_RoomInfoLine_video";
+        roomType = _t("Video room");
+    } else if (joinRule === JoinRule.Public) {
+        iconClass = "mx_RoomInfoLine_public";
+        roomType = room.isSpaceRoom() ? _t("Public space") : _t("Public room");
+    } else {
+        iconClass = "mx_RoomInfoLine_private";
+        roomType = room.isSpaceRoom() ? _t("Private space") : _t("Private room");
+    }
+
+    let members: JSX.Element;
+    if (membership === "invite" && summary) {
+        // Don't trust local state and instead use the summary API
+        members = <span className="mx_RoomInfoLine_members">
+            { _t("%(count)s members", { count: summary.num_joined_members }) }
+        </span>;
+    } else if (memberCount && summary !== undefined) { // summary is not still loading
+        const viewMembers = () => RightPanelStore.instance.setCard({
+            phase: room.isSpaceRoom() ? RightPanelPhases.SpaceMemberList : RightPanelPhases.RoomMemberList,
+        });
+
+        members = <AccessibleButton
+            kind="link"
+            className="mx_RoomInfoLine_members"
+            onClick={viewMembers}
+        >
+            { _t("%(count)s members", { count: memberCount }) }
+        </AccessibleButton>;
+    }
+
+    return <div className={`mx_RoomInfoLine ${iconClass}`}>
+        { roomType }
+        { members }
+    </div>;
+};
+
+export default RoomInfoLine;

src/components/views/rooms/RoomList.tsx

@@ -239,7 +239,7 @@ const UntaggedAuxButton = ({ tabIndex }: IAuxButtonProps) => {
                                 : _t("You do not have permissions to create new rooms in this space")}
                         />
                         { SettingsStore.getValue("feature_video_rooms") && <IconizedContextMenuOption
-                            label={_t("New video room")}
+                            label={_t("Video room")}
                             iconClassName="mx_RoomList_iconNewVideoRoom"
                             onClick={(e) => {
                                 e.preventDefault();
@@ -283,7 +283,7 @@ const UntaggedAuxButton = ({ tabIndex }: IAuxButtonProps) => {
                     }}
                 />
                 { SettingsStore.getValue("feature_video_rooms") && <IconizedContextMenuOption
-                    label={_t("New video room")}
+                    label={_t("Video room")}
                     iconClassName="mx_RoomList_iconNewVideoRoom"
                     onClick={(e) => {
                         e.preventDefault();

src/components/views/rooms/RoomListHeader.tsx

@@ -222,7 +222,7 @@ const RoomListHeader = ({ onVisibilityChange }: IProps) => {
                 />
                 { videoRoomsEnabled && <IconizedContextMenuOption
                     iconClassName="mx_RoomListHeader_iconNewVideoRoom"
-                    label={_t("New video room")}
+                    label={_t("Video room")}
                     onClick={(e) => {
                         e.preventDefault();
                         e.stopPropagation();
@@ -313,7 +313,7 @@ const RoomListHeader = ({ onVisibilityChange }: IProps) => {
                     }}
                 />
                 { videoRoomsEnabled && <IconizedContextMenuOption
-                    label={_t("New video room")}
+                    label={_t("Video room")}
                     iconClassName="mx_RoomListHeader_iconNewVideoRoom"
                     onClick={(e) => {
                         e.preventDefault();

src/components/views/rooms/RoomPreviewCard.tsx

@@ -0,0 +1,202 @@
+/*
+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, { FC, useContext, useState } from "react";
+import { Room } from "matrix-js-sdk/src/models/room";
+import { JoinRule } from "matrix-js-sdk/src/@types/partials";
+
+import { _t } from "../../../languageHandler";
+import defaultDispatcher from "../../../dispatcher/dispatcher";
+import { Action } from "../../../dispatcher/actions";
+import { UserTab } from "../dialogs/UserTab";
+import { EffectiveMembership, getEffectiveMembership } from "../../../utils/membership";
+import MatrixClientContext from "../../../contexts/MatrixClientContext";
+import { useDispatcher } from "../../../hooks/useDispatcher";
+import { useFeatureEnabled } from "../../../hooks/useSettings";
+import { useRoomState } from "../../../hooks/useRoomState";
+import { useMyRoomMembership } from "../../../hooks/useRoomMembers";
+import AccessibleButton from "../elements/AccessibleButton";
+import InlineSpinner from "../elements/InlineSpinner";
+import RoomName from "../elements/RoomName";
+import RoomTopic from "../elements/RoomTopic";
+import RoomFacePile from "../elements/RoomFacePile";
+import RoomAvatar from "../avatars/RoomAvatar";
+import MemberAvatar from "../avatars/MemberAvatar";
+import RoomInfoLine from "./RoomInfoLine";
+
+interface IProps {
+    room: Room;
+    onJoinButtonClicked: () => void;
+    onRejectButtonClicked: () => void;
+}
+
+// XXX This component is currently only used for spaces and video rooms, though
+// surely we should expand its use to all rooms for consistency? This already
+// handles the text room case, though we would need to add support for ignoring
+// and viewing invite reasons to achieve parity with the default invite screen.
+const RoomPreviewCard: FC<IProps> = ({ room, onJoinButtonClicked, onRejectButtonClicked }) => {
+    const cli = useContext(MatrixClientContext);
+    const videoRoomsEnabled = useFeatureEnabled("feature_video_rooms");
+    const myMembership = useMyRoomMembership(room);
+    useDispatcher(defaultDispatcher, payload => {
+        if (payload.action === Action.JoinRoomError && payload.roomId === room.roomId) {
+            setBusy(false); // stop the spinner, join failed
+        }
+    });
+
+    const [busy, setBusy] = useState(false);
+
+    const joinRule = useRoomState(room, state => state.getJoinRule());
+    const cannotJoin = getEffectiveMembership(myMembership) === EffectiveMembership.Leave
+        && joinRule !== JoinRule.Public;
+
+    const viewLabs = () => defaultDispatcher.dispatch({
+        action: Action.ViewUserSettings,
+        initialTabId: UserTab.Labs,
+    });
+
+    let inviterSection: JSX.Element;
+    let joinButtons: JSX.Element;
+    if (myMembership === "join") {
+        joinButtons = (
+            <AccessibleButton
+                kind="danger_outline"
+                onClick={() => {
+                    defaultDispatcher.dispatch({
+                        action: "leave_room",
+                        room_id: room.roomId,
+                    });
+                }}
+            >
+                { _t("Leave") }
+            </AccessibleButton>
+        );
+    } else if (myMembership === "invite") {
+        const inviteSender = room.getMember(cli.getUserId())?.events.member?.getSender();
+        const inviter = inviteSender && room.getMember(inviteSender);
+
+        if (inviteSender) {
+            inviterSection = <div className="mx_RoomPreviewCard_inviter">
+                <MemberAvatar member={inviter} fallbackUserId={inviteSender} width={32} height={32} />
+                <div>
+                    <div className="mx_RoomPreviewCard_inviter_name">
+                        { _t("<inviter/> invites you", {}, {
+                            inviter: () => <b>{ inviter?.name || inviteSender }</b>,
+                        }) }
+                    </div>
+                    { inviter ? <div className="mx_RoomPreviewCard_inviter_mxid">
+                        { inviteSender }
+                    </div> : null }
+                </div>
+            </div>;
+        }
+
+        joinButtons = <>
+            <AccessibleButton
+                kind="secondary"
+                onClick={() => {
+                    setBusy(true);
+                    onRejectButtonClicked();
+                }}
+            >
+                { _t("Reject") }
+            </AccessibleButton>
+            <AccessibleButton
+                kind="primary"
+                onClick={() => {
+                    setBusy(true);
+                    onJoinButtonClicked();
+                }}
+            >
+                { _t("Accept") }
+            </AccessibleButton>
+        </>;
+    } else {
+        joinButtons = (
+            <AccessibleButton
+                kind="primary"
+                onClick={() => {
+                    onJoinButtonClicked();
+                    if (!cli.isGuest()) {
+                        // user will be shown a modal that won't fire a room join error
+                        setBusy(true);
+                    }
+                }}
+                disabled={cannotJoin}
+            >
+                { _t("Join") }
+            </AccessibleButton>
+        );
+    }
+
+    if (busy) {
+        joinButtons = <InlineSpinner />;
+    }
+
+    let avatarRow: JSX.Element;
+    if (room.isElementVideoRoom()) {
+        avatarRow = <>
+            <RoomAvatar room={room} height={50} width={50} viewAvatarOnClick />
+            <div className="mx_RoomPreviewCard_video" />
+        </>;
+    } else if (room.isSpaceRoom()) {
+        avatarRow = <RoomAvatar room={room} height={80} width={80} viewAvatarOnClick />;
+    } else {
+        avatarRow = <RoomAvatar room={room} height={50} width={50} viewAvatarOnClick />;
+    }
+
+    let notice: string;
+    if (cannotJoin) {
+        notice = _t("To view %(roomName)s, you need an invite", {
+            roomName: room.name,
+        });
+    } else if (room.isElementVideoRoom() && !videoRoomsEnabled) {
+        notice = myMembership === "join"
+            ? _t("To view, please enable video rooms in Labs first")
+            : _t("To join, please enable video rooms in Labs first");
+
+        joinButtons = <AccessibleButton kind="primary" onClick={viewLabs}>
+            { _t("Show Labs settings") }
+        </AccessibleButton>;
+    }
+
+    return <div className="mx_RoomPreviewCard">
+        { inviterSection }
+        <div className="mx_RoomPreviewCard_avatar">
+            { avatarRow }
+        </div>
+        <h1 className="mx_RoomPreviewCard_name">
+            <RoomName room={room} />
+        </h1>
+        <RoomInfoLine room={room} />
+        <RoomTopic room={room}>
+            { (topic, ref) =>
+                topic ? <div className="mx_RoomPreviewCard_topic" ref={ref}>
+                    { topic }
+                </div> : null
+            }
+        </RoomTopic>
+        { room.getJoinRule() === "public" && <RoomFacePile room={room} /> }
+        { notice ? <div className="mx_RoomPreviewCard_notice">
+            { notice }
+        </div> : null }
+        <div className="mx_RoomPreviewCard_joinButtons">
+            { joinButtons }
+        </div>
+    </div>;
+};
+
+export default RoomPreviewCard;

src/createRoom.ts

@@ -132,8 +132,6 @@ export default async function createRoom(opts: IOpts): Promise<string | null> {
                 events: {
                     // Allow all users to send video member updates
                     [VIDEO_CHANNEL_MEMBER]: 0,
-                    // Make widgets immutable, even to admins
-                    "im.vector.modular.widgets": 200,
                     // Annoyingly, we have to reiterate all the defaults here
                     [EventType.RoomName]: 50,
                     [EventType.RoomAvatar]: 50,
@@ -144,10 +142,6 @@ export default async function createRoom(opts: IOpts): Promise<string | null> {
                     [EventType.RoomServerAcl]: 100,
                     [EventType.RoomEncryption]: 100,
                 },
-                users: {
-                    // Temporarily give ourselves the power to set up a widget
-                    [client.getUserId()]: 200,
-                },
             };
         }
     }
@@ -270,11 +264,6 @@ export default async function createRoom(opts: IOpts): Promise<string | null> {
         if (opts.roomType === RoomType.ElementVideo) {
             // Set up video rooms with a Jitsi widget
             await addVideoChannel(roomId, createOpts.name);
-
-            // Reset our power level back to admin so that the widget becomes immutable
-            const room = client.getRoom(roomId);
-            const plEvent = room?.currentState.getStateEvents(EventType.RoomPowerLevels, "");
-            await client.setPowerLevel(roomId, client.getUserId(), 100, plEvent);
         }
     }).then(function() {
         // NB createRoom doesn't block on the client seeing the echo that the

src/hooks/useRoomMembers.ts

@@ -15,7 +15,7 @@ limitations under the License.
 */
 
 import { useState } from "react";
-import { Room } from "matrix-js-sdk/src/models/room";
+import { Room, RoomEvent } from "matrix-js-sdk/src/models/room";
 import { RoomMember } from "matrix-js-sdk/src/models/room-member";
 import { RoomStateEvent } from "matrix-js-sdk/src/models/room-state";
 import { throttle } from "lodash";
@@ -23,7 +23,7 @@ import { throttle } from "lodash";
 import { useTypedEventEmitter } from "./useEventEmitter";
 
 // Hook to simplify watching Matrix Room joined members
-export const useRoomMembers = (room: Room, throttleWait = 250) => {
+export const useRoomMembers = (room: Room, throttleWait = 250): RoomMember[] => {
     const [members, setMembers] = useState<RoomMember[]>(room.getJoinedMembers());
     useTypedEventEmitter(room.currentState, RoomStateEvent.Update, throttle(() => {
         setMembers(room.getJoinedMembers());
@@ -32,10 +32,19 @@ export const useRoomMembers = (room: Room, throttleWait = 250) => {
 };
 
 // Hook to simplify watching Matrix Room joined member count
-export const useRoomMemberCount = (room: Room, throttleWait = 250) => {
+export const useRoomMemberCount = (room: Room, throttleWait = 250): number => {
     const [count, setCount] = useState<number>(room.getJoinedMemberCount());
     useTypedEventEmitter(room.currentState, RoomStateEvent.Update, throttle(() => {
         setCount(room.getJoinedMemberCount());
     }, throttleWait, { leading: true, trailing: true }));
     return count;
 };
+
+// Hook to simplify watching the local user's membership in a room
+export const useMyRoomMembership = (room: Room): string => {
+    const [membership, setMembership] = useState<string>(room.getMyMembership());
+    useTypedEventEmitter(room, RoomEvent.MyMembership, () => {
+        setMembership(room.getMyMembership());
+    });
+    return membership;
+};

src/i18n/strings/en_EN.json

@@ -1784,6 +1784,13 @@
     "Show Widgets": "Show Widgets",
     "Search": "Search",
     "Invite": "Invite",
+    "Video room": "Video room",
+    "Public space": "Public space",
+    "Public room": "Public room",
+    "Private space": "Private space",
+    "Private room": "Private room",
+    "%(count)s members|other": "%(count)s members",
+    "%(count)s members|one": "%(count)s member",
     "Start new chat": "Start new chat",
     "Invite to space": "Invite to space",
     "You do not have permissions to invite people to this space": "You do not have permissions to invite people to this space",
@@ -1792,7 +1799,6 @@
     "Explore rooms": "Explore rooms",
     "New room": "New room",
     "You do not have permissions to create new rooms in this space": "You do not have permissions to create new rooms in this space",
-    "New video room": "New video room",
     "Add existing room": "Add existing room",
     "You do not have permissions to add rooms to this space": "You do not have permissions to add rooms to this space",
     "Explore public rooms": "Explore public rooms",
@@ -1865,6 +1871,12 @@
     "This room or space is not accessible at this time.": "This room or space is not accessible at this time.",
     "Try again later, or ask a room or space admin to check if you have access.": "Try again later, or ask a room or space admin to check if you have access.",
     "%(errcode)s was returned while trying to access the room or space. If you think you're seeing this message in error, please <issueLink>submit a bug report</issueLink>.": "%(errcode)s was returned while trying to access the room or space. If you think you're seeing this message in error, please <issueLink>submit a bug report</issueLink>.",
+    "Leave": "Leave",
+    "<inviter/> invites you": "<inviter/> invites you",
+    "To view %(roomName)s, you need an invite": "To view %(roomName)s, you need an invite",
+    "To view, please enable video rooms in Labs first": "To view, please enable video rooms in Labs first",
+    "To join, please enable video rooms in Labs first": "To join, please enable video rooms in Labs first",
+    "Show Labs settings": "Show Labs settings",
     "Appearance": "Appearance",
     "Show rooms with unread messages first": "Show rooms with unread messages first",
     "Show previews of messages": "Show previews of messages",
@@ -1883,7 +1895,6 @@
     "Favourite": "Favourite",
     "Low Priority": "Low Priority",
     "Copy room link": "Copy room link",
-    "Leave": "Leave",
     "Video": "Video",
     "Connecting...": "Connecting...",
     "Connected": "Connected",
@@ -2471,7 +2482,6 @@
     "Topic (optional)": "Topic (optional)",
     "Room visibility": "Room visibility",
     "Private room (invite only)": "Private room (invite only)",
-    "Public room": "Public room",
     "Visible to space members": "Visible to space members",
     "Block anyone not part of %(serverName)s from ever joining this room.": "Block anyone not part of %(serverName)s from ever joining this room.",
     "Create video room": "Create video room",
@@ -2482,7 +2492,6 @@
     "Add a space to a space you manage.": "Add a space to a space you manage.",
     "Space visibility": "Space visibility",
     "Private space (invite only)": "Private space (invite only)",
-    "Public space": "Public space",
     "Want to add an existing space instead?": "Want to add an existing space instead?",
     "Adding...": "Adding...",
     "Sign out": "Sign out",
@@ -2650,8 +2659,6 @@
     "Manually export keys": "Manually export keys",
     "You'll lose access to your encrypted messages": "You'll lose access to your encrypted messages",
     "Are you sure you want to sign out?": "Are you sure you want to sign out?",
-    "%(count)s members|other": "%(count)s members",
-    "%(count)s members|one": "%(count)s member",
     "%(count)s rooms|other": "%(count)s rooms",
     "%(count)s rooms|one": "%(count)s room",
     "You're removing all spaces. Access will default to invite only": "You're removing all spaces. Access will default to invite only",
@@ -3115,9 +3122,6 @@
     "Results": "Results",
     "Rooms and spaces": "Rooms and spaces",
     "Search names and descriptions": "Search names and descriptions",
-    "Private space": "Private space",
-    "<inviter/> invites you": "<inviter/> invites you",
-    "To view %(spaceName)s, you need an invite": "To view %(spaceName)s, you need an invite",
     "Welcome to <name/>": "Welcome to <name/>",
     "Random": "Random",
     "Support": "Support",

test/components/structures/VideoRoomView-test.tsx

@@ -17,9 +17,17 @@ limitations under the License.
 import React from "react";
 import { mount } from "enzyme";
 import { act } from "react-dom/test-utils";
+import { MatrixClient } from "matrix-js-sdk/src/client";
+import { Room } from "matrix-js-sdk/src/models/room";
 import { MatrixWidgetType } from "matrix-widget-api";
 
-import { stubClient, stubVideoChannelStore, mkRoom, wrapInMatrixClientContext } from "../../test-utils";
+import {
+    stubClient,
+    stubVideoChannelStore,
+    StubVideoChannelStore,
+    mkRoom,
+    wrapInMatrixClientContext,
+} from "../../test-utils";
 import { MatrixClientPeg } from "../../../src/MatrixClientPeg";
 import { VIDEO_CHANNEL } from "../../../src/utils/VideoChannelUtils";
 import WidgetStore from "../../../src/stores/WidgetStore";
@@ -30,7 +38,6 @@ import AppTile from "../../../src/components/views/elements/AppTile";
 const VideoRoomView = wrapInMatrixClientContext(_VideoRoomView);
 
 describe("VideoRoomView", () => {
-    stubClient();
     jest.spyOn(WidgetStore.instance, "getApps").mockReturnValue([{
         id: VIDEO_CHANNEL,
         eventId: "$1:example.org",
@@ -45,22 +52,22 @@ describe("VideoRoomView", () => {
         value: { enumerateDevices: () => [] },
     });
 
-    const cli = MatrixClientPeg.get();
+    let cli: MatrixClient;
-    const room = mkRoom(cli, "!1:example.org");
+    let room: Room;
+    let store: StubVideoChannelStore;
 
-    let store;
     beforeEach(() => {
+        stubClient();
+        cli = MatrixClientPeg.get();
+        jest.spyOn(WidgetStore.instance, "matrixClient", "get").mockReturnValue(cli);
         store = stubVideoChannelStore();
-    });
+        room = mkRoom(cli, "!1:example.org");
-
-    afterEach(() => {
-        jest.clearAllMocks();
     });
 
     it("shows lobby and keeps widget loaded when disconnected", async () => {
         const view = mount(<VideoRoomView room={room} resizing={false} />);
         // Wait for state to settle
-        await act(async () => Promise.resolve());
+        await act(() => Promise.resolve());
 
         expect(view.find(VideoLobby).exists()).toEqual(true);
         expect(view.find(AppTile).exists()).toEqual(true);
@@ -70,7 +77,7 @@ describe("VideoRoomView", () => {
         store.connect("!1:example.org");
         const view = mount(<VideoRoomView room={room} resizing={false} />);
         // Wait for state to settle
-        await act(async () => Promise.resolve());
+        await act(() => Promise.resolve());
 
         expect(view.find(VideoLobby).exists()).toEqual(false);
         expect(view.find(AppTile).exists()).toEqual(true);

test/createRoom-test.ts

@@ -37,35 +37,21 @@ describe("createRoom", () => {
         setupAsyncStoreWithClient(WidgetStore.instance, client);
         jest.spyOn(WidgetUtils, "waitForRoomWidget").mockResolvedValue();
 
-        const userId = client.getUserId();
         const roomId = await createRoom({ roomType: RoomType.ElementVideo });
-
         const [[{
             power_level_content_override: {
-                users: {
+                events: { [VIDEO_CHANNEL_MEMBER]: videoMemberPower },
-                    [userId]: userPower,
             },
-                events: {
+        }]] = mocked(client.createRoom).mock.calls as any; // no good type
-                    "im.vector.modular.widgets": widgetPower,
-                    [VIDEO_CHANNEL_MEMBER]: videoMemberPower,
-                },
-            },
-        }]] = mocked(client.createRoom).mock.calls as any;
         const [[widgetRoomId, widgetStateKey, , widgetId]] = mocked(client.sendStateEvent).mock.calls;
 
-        // We should have had enough power to be able to set up the Jitsi widget
+        // We should have set up the Jitsi widget
-        expect(userPower).toBeGreaterThanOrEqual(widgetPower);
-        // and should have actually set it up
         expect(widgetRoomId).toEqual(roomId);
         expect(widgetStateKey).toEqual("im.vector.modular.widgets");
         expect(widgetId).toEqual(VIDEO_CHANNEL);
 
         // All members should be able to update their connected devices
         expect(videoMemberPower).toEqual(0);
-        // Jitsi widget should be immutable for admins
-        expect(widgetPower).toBeGreaterThan(100);
-        // and we should have been reset back to admin
-        expect(client.setPowerLevel).toHaveBeenCalledWith(roomId, userId, 100, undefined);
     });
 });