Merge branch 'develop' into revert-6752-revert-6682-gsouquet/compact-composer-18533

.github/workflows/typecheck.yaml

@@ -0,0 +1,24 @@
+name: Type Check
+on:
+    pull_request:
+        branches: [develop]
+jobs:
+    build:
+        runs-on: ubuntu-latest
+        steps:
+            - uses: actions/checkout@v2
+            - uses: c-hive/gha-yarn-cache@v2
+            - name: Install Deps
+              run: "./scripts/ci/install-deps.sh --ignore-scripts"
+            - name: Typecheck
+              run: "yarn run lint:types"
+            - name: Switch js-sdk to release mode
+              run: |
+                  scripts/ci/js-sdk-to-release.js
+                  cd node_modules/matrix-js-sdk
+                  yarn install
+                  yarn run build:compile
+                  yarn run build:types
+            - name: Typecheck (release mode)
+              run: "yarn run lint:types"
+

package.json

@@ -151,7 +151,7 @@
     "@typescript-eslint/eslint-plugin": "^4.17.0",
     "@typescript-eslint/parser": "^4.17.0",
     "@wojtekmaj/enzyme-adapter-react-17": "^0.6.1",
-    "allchange": "^1.0.2",
+    "allchange": "^1.0.3",
     "babel-jest": "^26.6.3",
     "chokidar": "^3.5.1",
     "concurrently": "^5.3.0",

scripts/ci/js-sdk-to-release.js

@@ -0,0 +1,17 @@
+#!/usr/bin/env node
+
+const fsProm = require('fs/promises');
+
+const PKGJSON = 'node_modules/matrix-js-sdk/package.json';
+
+async function main() {
+    const pkgJson = JSON.parse(await fsProm.readFile(PKGJSON, 'utf8'));
+    for (const field of ['main', 'typings']) {
+        if (pkgJson["matrix_lib_"+field] !== undefined) {
+            pkgJson[field] = pkgJson["matrix_lib_"+field];
+        }
+    }
+    await fsProm.writeFile(PKGJSON, JSON.stringify(pkgJson, null, 2));
+}
+
+main();

scripts/ci/js-sdk-to-release.sh

@@ -1,21 +0,0 @@
-#!/bin/sh
-
-# This changes the js-sdk into 'release mode', that is:
-# * The entry point for the library is the babel-compiled lib/index.js rather than src/index.ts
-# * There's a 'typings' entry referencing the types output by tsc
-# We do this so we can test that each PR still builds / type checks correctly when built
-# against the released js-sdk, because if you do things like `import { User } from 'matrix-js-sdk';`
-# rather than `import { User } from 'matrix-js-sdk/src/models/user';` it will work fine with the
-# js-sdk in development mode but then break at release time.
-# We can't use the last release of the js-sdk though: it might not be up to date enough.
-
-cd node_modules/matrix-js-sdk
-for i in main typings
-do
-    lib_value=$(jq -r ".matrix_lib_$i" package.json)
-    if [ "$lib_value" != "null" ]; then
-        jq ".$i = .matrix_lib_$i" package.json > package.json.new && mv package.json.new package.json
-    fi
-done
-yarn run build:compile
-yarn run build:types

src/audio/PlaybackQueue.ts

@@ -14,7 +14,9 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import { MatrixClient, MatrixEvent, Room } from "matrix-js-sdk";
+import { MatrixClient } from "matrix-js-sdk/src/client";
+import { MatrixEvent } from "matrix-js-sdk/src/models/event";
+import { Room } from "matrix-js-sdk/src/models/room";
 import { Playback, PlaybackState } from "./Playback";
 import { UPDATE_EVENT } from "../stores/AsyncStore";
 import { MatrixClientPeg } from "../MatrixClientPeg";

src/components/structures/CallEventGrouper.ts

@@ -105,8 +105,12 @@ export default class CallEventGrouper extends EventEmitter {
         return ![...this.events].some((event) => event.sender?.userId === MatrixClientPeg.get().getUserId());
     }
 
-    private get callId(): string {
+    private get callId(): string | undefined {
-        return [...this.events][0].getContent().call_id;
+        return [...this.events][0]?.getContent()?.call_id;
+    }
+
+    private get roomId(): string | undefined {
+        return [...this.events][0]?.getRoomId();
     }
 
     private onSilencedCallsChanged = () => {
@@ -119,18 +123,24 @@ export default class CallEventGrouper extends EventEmitter {
     };
 
     public answerCall = () => {
-        this.call?.answer();
+        defaultDispatcher.dispatch({
+            action: 'answer',
+            room_id: this.roomId,
+        });
     };
 
     public rejectCall = () => {
-        this.call?.reject();
+        defaultDispatcher.dispatch({
+            action: 'reject',
+            room_id: this.roomId,
+        });
     };
 
     public callBack = () => {
         defaultDispatcher.dispatch({
             action: 'place_call',
             type: this.isVoice ? CallType.Voice : CallType.Video,
-            room_id: [...this.events][0]?.getRoomId(),
+            room_id: this.roomId,
         });
     };
 

src/components/structures/LeftPanel.tsx

@@ -399,7 +399,9 @@ export default class LeftPanel extends React.Component<IProps, IState> {
                         mx_LeftPanel_exploreButton_space: !!this.state.activeSpace,
                     })}
                     onClick={this.onExplore}
-                    title={_t("Explore rooms")}
+                    title={this.state.activeSpace
+                        ? _t("Explore %(spaceName)s", { spaceName: this.state.activeSpace.name })
+                        : _t("Explore rooms")}
                 />
             </div>
         );

src/components/structures/RightPanel.tsx

@@ -271,7 +271,7 @@ export default class RightPanel extends React.Component<IProps, IState> {
             case RightPanelPhases.EncryptionPanel:
                 panel = <UserInfo
                     user={this.state.member}
-                    room={this.state.phase === RightPanelPhases.SpaceMemberInfo ? this.state.space : this.props.room}
+                    room={this.context.getRoom(this.state.member.roomId) ?? this.props.room}
                     key={roomId || this.state.member.userId}
                     onClose={this.onClose}
                     phase={this.state.phase}

src/components/structures/RoomView.tsx

@@ -1848,6 +1848,19 @@ export default class RoomView extends React.Component<IProps, IState> {
             />;
         }
 
+        const statusBarAreaClass = classNames("mx_RoomView_statusArea", {
+            "mx_RoomView_statusArea_expanded": isStatusAreaExpanded,
+        });
+
+        // if statusBar does not exist then statusBarArea is blank and takes up unnecessary space on the screen
+        // show statusBarArea only if statusBar is present
+        const statusBarArea = statusBar && <div className={statusBarAreaClass}>
+            <div className="mx_RoomView_statusAreaBox">
+                <div className="mx_RoomView_statusAreaBox_line" />
+                { statusBar }
+            </div>
+        </div>;
+
         const roomVersionRecommendation = this.state.upgradeRecommendation;
         const showRoomUpgradeBar = (
             roomVersionRecommendation &&
@@ -2045,10 +2058,6 @@ export default class RoomView extends React.Component<IProps, IState> {
             />);
         }
 
-        const statusBarAreaClass = classNames("mx_RoomView_statusArea", {
-            "mx_RoomView_statusArea_expanded": isStatusAreaExpanded,
-        });
-
         const showRightPanel = this.state.room && this.state.showRightPanel;
         const rightPanel = showRightPanel
             ? <RightPanel
@@ -2098,12 +2107,7 @@ export default class RoomView extends React.Component<IProps, IState> {
                                     { messagePanel }
                                     { searchResultsPanel }
                                 </div>
-                                <div className={statusBarAreaClass}>
+                                { statusBarArea }
-                                    <div className="mx_RoomView_statusAreaBox">
-                                        <div className="mx_RoomView_statusAreaBox_line" />
-                                        { statusBar }
-                                    </div>
-                                </div>
                                 { previewBar }
                                 { messageComposer }
                             </div>

src/components/views/context_menus/SpaceContextMenu.tsx

@@ -168,7 +168,7 @@ const SpaceContextMenu = ({ space, onFinished, ...props }: IProps) => {
         defaultDispatcher.dispatch<SetRightPanelPhasePayload>({
             action: Action.SetRightPanelPhase,
             phase: RightPanelPhases.SpaceMemberList,
-            refireParams: { space: space },
+            refireParams: { space },
         });
         onFinished();
     };

src/components/views/dialogs/RoomSettingsDialog.tsx

@@ -79,7 +79,10 @@ export default class RoomSettingsDialog extends React.Component<IProps> {
             ROOM_SECURITY_TAB,
             _td("Security & Privacy"),
             "mx_RoomSettingsDialog_securityIcon",
-            <SecurityRoomSettingsTab roomId={this.props.roomId} />,
+            <SecurityRoomSettingsTab
+                roomId={this.props.roomId}
+                closeSettingsFn={() => this.props.onFinished(true)}
+            />,
         ));
         tabs.push(new Tab(
             ROOM_ROLES_TAB,

src/components/views/messages/EncryptionEvent.tsx

@@ -16,26 +16,38 @@ limitations under the License.
 
 import React, { forwardRef, useContext } from 'react';
 import { MatrixEvent } from "matrix-js-sdk/src/models/event";
+import { IRoomEncryption } from "matrix-js-sdk/src/crypto/RoomList";
 
 import { _t } from '../../../languageHandler';
 import { MatrixClientPeg } from '../../../MatrixClientPeg';
 import EventTileBubble from "./EventTileBubble";
 import MatrixClientContext from "../../../contexts/MatrixClientContext";
 import DMRoomMap from "../../../utils/DMRoomMap";
+import { objectHasDiff } from "../../../utils/objects";
 
 interface IProps {
     mxEvent: MatrixEvent;
 }
 
+const ALGORITHM = "m.megolm.v1.aes-sha2";
+
 const EncryptionEvent = forwardRef<HTMLDivElement, IProps>(({ mxEvent }, ref) => {
     const cli = useContext(MatrixClientContext);
     const roomId = mxEvent.getRoomId();
     const isRoomEncrypted = MatrixClientPeg.get().isRoomEncrypted(roomId);
 
-    if (mxEvent.getContent().algorithm === 'm.megolm.v1.aes-sha2' && isRoomEncrypted) {
+    const prevContent = mxEvent.getPrevContent() as IRoomEncryption;
+    const content = mxEvent.getContent<IRoomEncryption>();
+
+    // if no change happened then skip rendering this, a shallow check is enough as all known fields are top-level.
+    if (!objectHasDiff(prevContent, content)) return null; // nop
+
+    if (content.algorithm === ALGORITHM && isRoomEncrypted) {
         let subtitle: string;
         const dmPartner = DMRoomMap.shared().getUserIdForRoomId(roomId);
-        if (dmPartner) {
+        if (prevContent.algorithm === ALGORITHM) {
+            subtitle = _t("Some encryption parameters have been changed.");
+        } else if (dmPartner) {
             const displayName = cli?.getRoom(roomId)?.getMember(dmPartner)?.rawDisplayName || dmPartner;
             subtitle = _t("Messages here are end-to-end encrypted. " +
                 "Verify %(displayName)s in their profile - tap on their avatar.", { displayName });
@@ -49,7 +61,9 @@ const EncryptionEvent = forwardRef<HTMLDivElement, IProps>(({ mxEvent }, ref) =>
             title={_t("Encryption enabled")}
             subtitle={subtitle}
         />;
-    } else if (isRoomEncrypted) {
+    }
+
+    if (isRoomEncrypted) {
         return <EventTileBubble
             className="mx_cryptoEvent mx_cryptoEvent_icon"
             title={_t("Encryption enabled")}

src/components/views/right_panel/EncryptionPanel.tsx

@@ -57,7 +57,7 @@ const EncryptionPanel: React.FC<IProps> = (props: IProps) => {
     // state to show a spinner immediately after clicking "start verification",
     // before we have a request
     const [isRequesting, setRequesting] = useState(false);
-    const [phase, setPhase] = useState(request && request.phase);
+    const [phase, setPhase] = useState(request?.phase);
     useEffect(() => {
         setRequest(verificationRequest);
         if (verificationRequest) {

src/components/views/right_panel/UserInfo.tsx

@@ -1278,7 +1278,9 @@ const BasicUserInfo: React.FC<{
         // hide the Roles section for DMs as it doesn't make sense there
         if (!DMRoomMap.shared().getUserIdForRoomId((member as RoomMember).roomId)) {
             memberDetails = <div className="mx_UserInfo_container">
-                <h3>{ _t("Role") }</h3>
+                <h3>{ _t("Role in <RoomName/>", {}, {
+                    RoomName: () => <b>{ room.name }</b>,
+                }) }</h3>
                 <PowerLevelSection
                     powerLevels={powerLevels}
                     user={member as RoomMember}
@@ -1573,11 +1575,12 @@ const UserInfo: React.FC<IProps> = ({
     // We have no previousPhase for when viewing a UserInfo from a Group or without a Room at this time
     if (room && phase === RightPanelPhases.EncryptionPanel) {
         previousPhase = RightPanelPhases.RoomMemberInfo;
-        refireParams = { member: member };
+        refireParams = { member };
+    } else if (room?.isSpaceRoom() && SpaceStore.spacesEnabled) {
+        previousPhase = previousPhase = RightPanelPhases.SpaceMemberList;
+        refireParams = { space: room };
     } else if (room) {
-        previousPhase = previousPhase = SpaceStore.spacesEnabled && room.isSpaceRoom()
+        previousPhase = RightPanelPhases.RoomMemberList;
-            ? RightPanelPhases.SpaceMemberList
-            : RightPanelPhases.RoomMemberList;
     }
 
     const onEncryptionPanelClose = () => {

src/components/views/right_panel/VerificationPanel.tsx

@@ -29,43 +29,27 @@ import VerificationQRCode from "../elements/crypto/VerificationQRCode";
 import { _t } from "../../../languageHandler";
 import SdkConfig from "../../../SdkConfig";
 import E2EIcon from "../rooms/E2EIcon";
-import {
+import { Phase } from "matrix-js-sdk/src/crypto/verification/request/VerificationRequest";
-    PHASE_READY,
-    PHASE_DONE,
-    PHASE_STARTED,
-    PHASE_CANCELLED,
-} from "matrix-js-sdk/src/crypto/verification/request/VerificationRequest";
 import Spinner from "../elements/Spinner";
 import { replaceableComponent } from "../../../utils/replaceableComponent";
 import AccessibleButton from "../elements/AccessibleButton";
 import VerificationShowSas from "../verification/VerificationShowSas";
 
-// XXX: Should be defined in matrix-js-sdk
-enum VerificationPhase {
-    PHASE_UNSENT,
-    PHASE_REQUESTED,
-    PHASE_READY,
-    PHASE_DONE,
-    PHASE_STARTED,
-    PHASE_CANCELLED,
-}
-
 interface IProps {
     layout: string;
     request: VerificationRequest;
     member: RoomMember | User;
-    phase: VerificationPhase;
+    phase: Phase;
     onClose: () => void;
     isRoomEncrypted: boolean;
     inDialog: boolean;
-    key: number;
 }
 
 interface IState {
-    sasEvent?: SAS;
+    sasEvent?: SAS["sasEvent"];
     emojiButtonClicked?: boolean;
     reciprocateButtonClicked?: boolean;
-    reciprocateQREvent?: ReciprocateQRCode;
+    reciprocateQREvent?: ReciprocateQRCode["reciprocateQREvent"];
 }
 
 @replaceableComponent("views.right_panel.VerificationPanel")
@@ -321,9 +305,9 @@ export default class VerificationPanel extends React.PureComponent<IProps, IStat
         const displayName = (member as User).displayName || (member as RoomMember).name || member.userId;
 
         switch (phase) {
-            case PHASE_READY:
+            case Phase.Ready:
                 return this.renderQRPhase();
-            case PHASE_STARTED:
+            case Phase.Started:
                 switch (request.chosenMethod) {
                     case verificationMethods.RECIPROCATE_QR_CODE:
                         return this.renderQRReciprocatePhase();
@@ -346,9 +330,9 @@ export default class VerificationPanel extends React.PureComponent<IProps, IStat
                     default:
                         return null;
                 }
-            case PHASE_DONE:
+            case Phase.Done:
                 return this.renderVerifiedPhase();
-            case PHASE_CANCELLED:
+            case Phase.Cancelled:
                 return this.renderCancelledPhase();
         }
         console.error("VerificationPanel unhandled phase:", phase);
@@ -375,7 +359,8 @@ export default class VerificationPanel extends React.PureComponent<IProps, IStat
 
     private updateVerifierState = () => {
         const { request } = this.props;
-        const { sasEvent, reciprocateQREvent } = request.verifier;
+        const sasEvent = (request.verifier as SAS).sasEvent;
+        const reciprocateQREvent = (request.verifier as ReciprocateQRCode).reciprocateQREvent;
         request.verifier.off('show_sas', this.updateVerifierState);
         request.verifier.off('show_reciprocate_qr', this.updateVerifierState);
         this.setState({ sasEvent, reciprocateQREvent });
@@ -402,7 +387,8 @@ export default class VerificationPanel extends React.PureComponent<IProps, IStat
         const { request } = this.props;
         request.on("change", this.onRequestChange);
         if (request.verifier) {
-            const { sasEvent, reciprocateQREvent } = request.verifier;
+            const sasEvent = (request.verifier as SAS).sasEvent;
+            const reciprocateQREvent = (request.verifier as ReciprocateQRCode).reciprocateQREvent;
             this.setState({ sasEvent, reciprocateQREvent });
         }
         this.onRequestChange();

src/components/views/rooms/RoomList.tsx

@@ -48,6 +48,7 @@ import SpaceStore, { ISuggestedRoom, SUGGESTED_ROOMS } from "../../../stores/Spa
 import { showAddExistingRooms, showCreateNewRoom, showSpaceInvite } from "../../../utils/space";
 import { replaceableComponent } from "../../../utils/replaceableComponent";
 import RoomAvatar from "../avatars/RoomAvatar";
+import AccessibleTooltipButton from "../elements/AccessibleTooltipButton";
 
 interface IProps {
     onKeyDown: (ev: React.KeyboardEvent) => void;
@@ -522,20 +523,23 @@ export default class RoomList extends React.PureComponent<IProps, IState> {
             } else if (
                 this.props.activeSpace?.canInvite(userId) || this.props.activeSpace?.getMyMembership() === "join"
             ) {
+                const spaceName = this.props.activeSpace.name;
                 explorePrompt = <div className="mx_RoomList_explorePrompt">
                     <div>{ _t("Quick actions") }</div>
-                    { this.props.activeSpace.canInvite(userId) && <AccessibleButton
+                    { this.props.activeSpace.canInvite(userId) && <AccessibleTooltipButton
                         className="mx_RoomList_explorePrompt_spaceInvite"
                         onClick={this.onSpaceInviteClick}
+                        title={_t("Invite to %(spaceName)s", { spaceName })}
                     >
                         { _t("Invite people") }
-                    </AccessibleButton> }
+                    </AccessibleTooltipButton> }
-                    { this.props.activeSpace.getMyMembership() === "join" && <AccessibleButton
+                    { this.props.activeSpace.getMyMembership() === "join" && <AccessibleTooltipButton
                         className="mx_RoomList_explorePrompt_spaceExplore"
                         onClick={this.onExplore}
+                        title={_t("Explore %(spaceName)s", { spaceName })}
                     >
                         { _t("Explore rooms") }
-                    </AccessibleButton> }
+                    </AccessibleTooltipButton> }
                 </div>;
             } else if (Object.values(this.state.sublists).some(list => list.length > 0)) {
                 const unfilteredLists = RoomListStore.instance.unfilteredLists;

src/components/views/settings/tabs/room/SecurityRoomSettingsTab.tsx

@@ -39,9 +39,12 @@ import { arrayHasDiff } from "../../../../../utils/arrays";
 import SettingsFlag from '../../../elements/SettingsFlag';
 import createRoom, { IOpts } from '../../../../../createRoom';
 import CreateRoomDialog from '../../../dialogs/CreateRoomDialog';
+import dis from "../../../../../dispatcher/dispatcher";
+import { ROOM_SECURITY_TAB } from "../../../dialogs/RoomSettingsDialog";
 
 interface IProps {
     roomId: string;
+    closeSettingsFn: () => void;
 }
 
 interface IState {
@@ -220,9 +223,20 @@ export default class SecurityRoomSettingsTab extends React.Component<IProps, ISt
                     targetVersion,
                     description: _t("This upgrade will allow members of selected spaces " +
                         "access to this room without an invite."),
-                    onFinished: (resp) => {
+                    onFinished: async (resp) => {
                         if (!resp?.continue) return;
-                        upgradeRoom(room, targetVersion, resp.invite);
+                        const roomId = await upgradeRoom(room, targetVersion, resp.invite, true, true, true);
+                        this.props.closeSettingsFn();
+                        // switch to the new room in the background
+                        dis.dispatch({
+                            action: "view_room",
+                            room_id: roomId,
+                        });
+                        // open new settings on this tab
+                        dis.dispatch({
+                            action: "open_room_settings",
+                            initial_tab_id: ROOM_SECURITY_TAB,
+                        });
                     },
                 });
                 return;

src/components/views/spaces/SpacePanel.tsx

@@ -195,12 +195,10 @@ const InnerSpacePanel = React.memo<IInnerSpacePanelProps>(({ children, isPanelCo
                 { (provided, snapshot) => (
                     <SpaceItem
                         {...provided.draggableProps}
-                        {...provided.dragHandleProps}
+                        dragHandleProps={provided.dragHandleProps}
                         key={s.roomId}
                         innerRef={provided.innerRef}
-                        className={snapshot.isDragging
+                        className={snapshot.isDragging ? "mx_SpaceItem_dragging" : undefined}
-                            ? "mx_SpaceItem_dragging"
-                            : undefined}
                         space={s}
                         activeSpaces={activeSpaces}
                         isPanelCollapsed={isPanelCollapsed}
@@ -223,6 +221,8 @@ const SpacePanel = () => {
     }, []);
 
     const onKeyDown = (ev: React.KeyboardEvent) => {
+        if (ev.defaultPrevented) return;
+
         let handled = true;
 
         switch (ev.key) {

src/components/views/spaces/SpaceTreeLevel.tsx

@@ -29,7 +29,6 @@ import RoomAvatar from "../avatars/RoomAvatar";
 import SpaceStore from "../../../stores/SpaceStore";
 import SpaceTreeLevelLayoutStore from "../../../stores/SpaceTreeLevelLayoutStore";
 import NotificationBadge from "../rooms/NotificationBadge";
-import { RovingAccessibleTooltipButton } from "../../../accessibility/roving/RovingAccessibleTooltipButton";
 import { _t } from "../../../languageHandler";
 import { ContextMenuTooltipButton } from "../../../accessibility/context_menu/ContextMenuTooltipButton";
 import { toRightOf, useContextMenu } from "../../structures/ContextMenu";
@@ -40,8 +39,11 @@ import { NotificationColor } from "../../../stores/notifications/NotificationCol
 import { getKeyBindingsManager, RoomListAction } from "../../../KeyBindingsManager";
 import { NotificationState } from "../../../stores/notifications/NotificationState";
 import SpaceContextMenu from "../context_menus/SpaceContextMenu";
+import AccessibleTooltipButton from "../elements/AccessibleTooltipButton";
+import { DraggableProvidedDragHandleProps } from "react-beautiful-dnd";
+import { useRovingTabIndex } from "../../../accessibility/RovingTabIndex";
 
-interface IButtonProps extends Omit<ComponentProps<typeof RovingAccessibleTooltipButton>, "title"> {
+interface IButtonProps extends Omit<ComponentProps<typeof AccessibleTooltipButton>, "title"> {
     space?: Room;
     className?: string;
     selected?: boolean;
@@ -68,7 +70,9 @@ export const SpaceButton: React.FC<IButtonProps> = ({
     ContextMenuComponent,
     ...props
 }) => {
-    const [menuDisplayed, handle, openMenu, closeMenu] = useContextMenu<HTMLElement>();
+    const [menuDisplayed, ref, openMenu, closeMenu] = useContextMenu<HTMLElement>();
+    const [onFocus, isActive, handle] = useRovingTabIndex(ref);
+    const tabIndex = isActive ? 0 : -1;
 
     let avatar = <div className="mx_SpaceButton_avatarPlaceholder"><div className="mx_SpaceButton_icon" /></div>;
     if (space) {
@@ -88,6 +92,7 @@ export const SpaceButton: React.FC<IButtonProps> = ({
                 forceCount={false}
                 notification={notificationState}
                 aria-label={ariaLabel}
+                tabIndex={tabIndex}
             />
         </div>;
     }
@@ -102,7 +107,7 @@ export const SpaceButton: React.FC<IButtonProps> = ({
     }
 
     return (
-        <RovingAccessibleTooltipButton
+        <AccessibleTooltipButton
             {...props}
             className={classNames("mx_SpaceButton", className, {
                 mx_SpaceButton_active: selected,
@@ -114,6 +119,8 @@ export const SpaceButton: React.FC<IButtonProps> = ({
             onContextMenu={openMenu}
             forceHide={!isNarrow || menuDisplayed}
             inputRef={handle}
+            tabIndex={tabIndex}
+            onFocus={onFocus}
         >
             { children }
             <div className="mx_SpaceButton_selectionWrapper">
@@ -130,7 +137,7 @@ export const SpaceButton: React.FC<IButtonProps> = ({
 
                 { contextMenu }
             </div>
-        </RovingAccessibleTooltipButton>
+        </AccessibleTooltipButton>
     );
 };
 
@@ -142,6 +149,7 @@ interface IItemProps extends InputHTMLAttributes<HTMLLIElement> {
     onExpand?: Function;
     parents?: Set<string>;
     innerRef?: LegacyRef<HTMLLIElement>;
+    dragHandleProps?: DraggableProvidedDragHandleProps;
 }
 
 interface IItemState {
@@ -270,8 +278,10 @@ export class SpaceItem extends React.PureComponent<IItemProps, IItemState> {
             ? StaticNotificationState.forSymbol("!", NotificationColor.Red)
             : SpaceStore.instance.getNotificationState(space.roomId);
 
+        const hasChildren = this.state.childSpaces?.length;
+
         let childItems;
-        if (this.state.childSpaces?.length && !collapsed) {
+        if (hasChildren && !collapsed) {
             childItems = <SpaceTreeLevel
                 spaces={this.state.childSpaces}
                 activeSpaces={activeSpaces}
@@ -280,7 +290,7 @@ export class SpaceItem extends React.PureComponent<IItemProps, IItemState> {
             />;
         }
 
-        const toggleCollapseButton = this.state.childSpaces?.length ?
+        const toggleCollapseButton = hasChildren ?
             <AccessibleButton
                 className="mx_SpaceButton_toggleCollapse"
                 onClick={this.toggleCollapse}
@@ -288,9 +298,19 @@ export class SpaceItem extends React.PureComponent<IItemProps, IItemState> {
                 aria-label={collapsed ? _t("Expand") : _t("Collapse")}
             /> : null;
 
+        // eslint-disable-next-line @typescript-eslint/no-unused-vars
+        const { tabIndex, ...dragHandleProps } = this.props.dragHandleProps || {};
+
         return (
-            <li {...otherProps} className={itemClasses} ref={innerRef} aria-expanded={!collapsed} role="treeitem">
+            <li
+                {...otherProps}
+                className={itemClasses}
+                ref={innerRef}
+                aria-expanded={hasChildren ? !collapsed : undefined}
+                role="treeitem"
+            >
                 <SpaceButton
+                    {...dragHandleProps}
                     space={space}
                     className={isInvite ? "mx_SpaceButton_invite" : undefined}
                     selected={activeSpaces.includes(space)}

src/components/views/verification/VerificationShowSas.tsx

@@ -15,7 +15,7 @@ limitations under the License.
 */
 
 import React from 'react';
-import { SAS } from "matrix-js-sdk/src/crypto/verification/SAS";
+import { IGeneratedSas } from "matrix-js-sdk/src/crypto/verification/SAS";
 import { DeviceInfo } from "matrix-js-sdk/src//crypto/deviceinfo";
 import { _t, _td } from '../../../languageHandler';
 import { PendingActionSpinner } from "../right_panel/EncryptionInfo";
@@ -30,7 +30,7 @@ interface IProps {
     device?: DeviceInfo;
     onDone: () => void;
     onCancel: () => void;
-    sas: SAS.sas;
+    sas: IGeneratedSas;
     isSelf?: boolean;
     inDialog?: boolean; // whether this component is being shown in a dialog and to use DialogButtons
 }

src/i18n/strings/en_EN.json

@@ -1650,6 +1650,7 @@
     "Start a new chat": "Start a new chat",
     "Explore all public rooms": "Explore all public rooms",
     "Quick actions": "Quick actions",
+    "Explore %(spaceName)s": "Explore %(spaceName)s",
     "Use the + to make a new room or explore existing ones below": "Use the + to make a new room or explore existing ones below",
     "%(count)s results in all spaces|other": "%(count)s results in all spaces",
     "%(count)s results in all spaces|one": "%(count)s result in all spaces",
@@ -1871,7 +1872,7 @@
     "Deactivating this user will log them out and prevent them from logging back in. Additionally, they will leave all the rooms they are in. This action cannot be reversed. Are you sure you want to deactivate this user?": "Deactivating this user will log them out and prevent them from logging back in. Additionally, they will leave all the rooms they are in. This action cannot be reversed. Are you sure you want to deactivate this user?",
     "Deactivate user": "Deactivate user",
     "Failed to deactivate user": "Failed to deactivate user",
-    "Role": "Role",
+    "Role in <RoomName/>": "Role in <RoomName/>",
     "This client does not support end-to-end encryption.": "This client does not support end-to-end encryption.",
     "Edit devices": "Edit devices",
     "Security": "Security",
@@ -1927,6 +1928,7 @@
     "Decrypting": "Decrypting",
     "Download": "Download",
     "View Source": "View Source",
+    "Some encryption parameters have been changed.": "Some encryption parameters have been changed.",
     "Messages here are end-to-end encrypted. Verify %(displayName)s in their profile - tap on their avatar.": "Messages here are end-to-end encrypted. Verify %(displayName)s in their profile - tap on their avatar.",
     "Messages in this room are end-to-end encrypted. When people join, you can verify them in their profile, just tap on their avatar.": "Messages in this room are end-to-end encrypted. When people join, you can verify them in their profile, just tap on their avatar.",
     "Encryption enabled": "Encryption enabled",

src/stores/SpaceStore.tsx

@@ -257,7 +257,7 @@ export class SpaceStoreClass extends AsyncStoreWithClient<IState> {
                                     "go to that room's Security & Privacy settings.") }</p>
 
                                 { /* Reuses classes from TabbedView for simplicity, non-interactive */ }
-                                <div style={{ width: "190px" }}>
+                                <div className="mx_TabbedView_tabsOnLeft" style={{ width: "190px", position: "relative" }}>
                                     <div className="mx_TabbedView_tabLabel">
                                         <span className="mx_TabbedView_maskedIcon mx_RoomSettingsDialog_settingsIcon" />
                                         <span className="mx_TabbedView_tabLabel_text">{ _t("General") }</span>
@@ -366,16 +366,22 @@ export class SpaceStoreClass extends AsyncStoreWithClient<IState> {
     }
 
     public getParents(roomId: string, canonicalOnly = false): Room[] {
+        const userId = this.matrixClient?.getUserId();
         const room = this.matrixClient?.getRoom(roomId);
         return room?.currentState.getStateEvents(EventType.SpaceParent)
-            .filter(ev => {
+            .map(ev => {
                 const content = ev.getContent();
-                if (!content?.via?.length) return false;
+                if (Array.isArray(content?.via) && (!canonicalOnly || content?.canonical)) {
-                // TODO apply permissions check to verify that the parent mapping is valid
+                    const parent = this.matrixClient.getRoom(ev.getStateKey());
-                if (canonicalOnly && !content?.canonical) return false;
+                    // only respect the relationship if the sender has sufficient permissions in the parent to set
-                return true;
+                    // child relations, as per MSC1772.
+                    // https://github.com/matrix-org/matrix-doc/blob/main/proposals/1772-groups-as-rooms.md#relationship-between-rooms-and-spaces
+                    if (parent?.currentState.maySendStateEvent(EventType.SpaceChild, userId)) {
+                        return parent;
+                    }
+                }
+                // else implicit undefined which causes this element to be filtered out
             })
-            .map(ev => this.matrixClient.getRoom(ev.getStateKey()))
             .filter(Boolean) || [];
     }
 
@@ -530,6 +536,14 @@ export class SpaceStoreClass extends AsyncStoreWithClient<IState> {
             });
         }
 
+        const hiddenChildren = new EnhancedMap<string, Set<string>>();
+        visibleRooms.forEach(room => {
+            if (room.getMyMembership() !== "join") return;
+            this.getParents(room.roomId).forEach(parent => {
+                hiddenChildren.getOrCreate(parent.roomId, new Set()).add(room.roomId);
+            });
+        });
+
         this.rootSpaces.forEach(s => {
             // traverse each space tree in DFS to build up the supersets as you go up,
             // reusing results from like subtrees.
@@ -559,6 +573,9 @@ export class SpaceStoreClass extends AsyncStoreWithClient<IState> {
                         roomIds.add(roomId);
                     });
                 });
+                hiddenChildren.get(spaceId)?.forEach(roomId => {
+                    roomIds.add(roomId);
+                });
                 this.spaceFilteredRooms.set(spaceId, roomIds);
                 return roomIds;
             };
@@ -690,6 +707,12 @@ export class SpaceStoreClass extends AsyncStoreWithClient<IState> {
                 }
                 this.emit(room.roomId);
                 break;
+
+            case EventType.RoomPowerLevels:
+                if (room.isSpaceRoom()) {
+                    this.onRoomsUpdate();
+                }
+                break;
         }
     };
 

src/stores/widgets/StopGapWidgetDriver.ts

@@ -44,7 +44,7 @@ import { containsEmoji } from "../../effects/utils";
 import dis from "../../dispatcher/dispatcher";
 import { tryTransformPermalinkToLocalHref } from "../../utils/permalinks/Permalinks";
 import { IEvent, MatrixEvent } from "matrix-js-sdk/src/models/event";
-import { Room } from "matrix-js-sdk";
+import { Room } from "matrix-js-sdk/src/models/room";
 
 // TODO: Purge this from the universe
 

src/utils/RoomUpgrade.ts

@@ -22,6 +22,7 @@ import Modal from "../Modal";
 import { _t } from "../languageHandler";
 import ErrorDialog from "../components/views/dialogs/ErrorDialog";
 import SpaceStore from "../stores/SpaceStore";
+import Spinner from "../components/views/elements/Spinner";
 
 export async function upgradeRoom(
     room: Room,
@@ -29,8 +30,10 @@ export async function upgradeRoom(
     inviteUsers = false,
     handleError = true,
     updateSpaces = true,
+    awaitRoom = false,
 ): Promise<string> {
     const cli = room.client;
+    const spinnerModal = Modal.createDialog(Spinner, null, "mx_Dialog_spinner");
 
     let newRoomId: string;
     try {
@@ -46,27 +49,36 @@ export async function upgradeRoom(
         throw e;
     }
 
-    // We have to wait for the js-sdk to give us the room back so
+    if (awaitRoom || inviteUsers) {
-    // we can more effectively abuse the MultiInviter behaviour
+        await new Promise<void>(resolve => {
-    // which heavily relies on the Room object being available.
+            // already have the room
-    if (inviteUsers) {
+            if (room.client.getRoom(newRoomId)) {
-        const checkForUpgradeFn = async (newRoom: Room): Promise<void> => {
+                resolve();
-            // The upgradePromise should be done by the time we await it here.
+                return;
-            if (newRoom.roomId !== newRoomId) return;
-
-            const toInvite = [
-                ...room.getMembersWithMembership("join"),
-                ...room.getMembersWithMembership("invite"),
-            ].map(m => m.userId).filter(m => m !== cli.getUserId());
-
-            if (toInvite.length > 0) {
-                // Errors are handled internally to this function
-                await inviteUsersToRoom(newRoomId, toInvite);
             }
 
-            cli.removeListener('Room', checkForUpgradeFn);
+            // We have to wait for the js-sdk to give us the room back so
-        };
+            // we can more effectively abuse the MultiInviter behaviour
-        cli.on('Room', checkForUpgradeFn);
+            // which heavily relies on the Room object being available.
+            const checkForRoomFn = (newRoom: Room) => {
+                if (newRoom.roomId !== newRoomId) return;
+                resolve();
+                cli.off("Room", checkForRoomFn);
+            };
+            cli.on("Room", checkForRoomFn);
+        });
+    }
+
+    if (inviteUsers) {
+        const toInvite = [
+            ...room.getMembersWithMembership("join"),
+            ...room.getMembersWithMembership("invite"),
+        ].map(m => m.userId).filter(m => m !== cli.getUserId());
+
+        if (toInvite.length > 0) {
+            // Errors are handled internally to this function
+            await inviteUsersToRoom(newRoomId, toInvite);
+        }
     }
 
     if (updateSpaces) {
@@ -89,5 +101,6 @@ export async function upgradeRoom(
         }
     }
 
+    spinnerModal.close();
     return newRoomId;
 }

test/stores/SpaceStore-test.ts

@@ -276,10 +276,12 @@ describe("SpaceStore", () => {
 
         describe("test fixture 1", () => {
             beforeEach(async () => {
-                [fav1, fav2, fav3, dm1, dm2, dm3, orphan1, orphan2, invite1, invite2, room1].forEach(mkRoom);
+                [fav1, fav2, fav3, dm1, dm2, dm3, orphan1, orphan2, invite1, invite2, room1, room2, room3]
+                    .forEach(mkRoom);
                 mkSpace(space1, [fav1, room1]);
                 mkSpace(space2, [fav1, fav2, fav3, room1]);
                 mkSpace(space3, [invite2]);
+                // client.getRoom.mockImplementation(roomId => rooms.find(room => room.roomId === roomId));
 
                 [fav1, fav2, fav3].forEach(roomId => {
                     client.getRoom(roomId).tags = {
@@ -329,6 +331,48 @@ describe("SpaceStore", () => {
                 ]);
                 // dmPartner3 is not in any common spaces with you
 
+                // room 2 claims to be a child of space2 and is so via a valid m.space.parent
+                const cliRoom2 = client.getRoom(room2);
+                cliRoom2.currentState.getStateEvents.mockImplementation(testUtils.mockStateEventImplementation([
+                    mkEvent({
+                        event: true,
+                        type: EventType.SpaceParent,
+                        room: room2,
+                        user: client.getUserId(),
+                        skey: space2,
+                        content: { via: [], canonical: true },
+                        ts: Date.now(),
+                    }),
+                ]));
+                const cliSpace2 = client.getRoom(space2);
+                cliSpace2.currentState.maySendStateEvent.mockImplementation((evType: string, userId: string) => {
+                    if (evType === EventType.SpaceChild) {
+                        return userId === client.getUserId();
+                    }
+                    return true;
+                });
+
+                // room 3 claims to be a child of space3 but is not due to invalid m.space.parent (permissions)
+                const cliRoom3 = client.getRoom(room3);
+                cliRoom3.currentState.getStateEvents.mockImplementation(testUtils.mockStateEventImplementation([
+                    mkEvent({
+                        event: true,
+                        type: EventType.SpaceParent,
+                        room: room3,
+                        user: client.getUserId(),
+                        skey: space3,
+                        content: { via: [], canonical: true },
+                        ts: Date.now(),
+                    }),
+                ]));
+                const cliSpace3 = client.getRoom(space3);
+                cliSpace3.currentState.maySendStateEvent.mockImplementation((evType: string, userId: string) => {
+                    if (evType === EventType.SpaceChild) {
+                        return false;
+                    }
+                    return true;
+                });
+
                 await run();
             });
 
@@ -445,6 +489,14 @@ describe("SpaceStore", () => {
                 expect(store.getNotificationState(space2).rooms.map(r => r.roomId).includes(room1)).toBeTruthy();
                 expect(store.getNotificationState(space3).rooms.map(r => r.roomId).includes(room1)).toBeFalsy();
             });
+
+            it("honours m.space.parent if sender has permission in parent space", () => {
+                expect(store.getSpaceFilteredRoomIds(client.getRoom(space2)).has(room2)).toBeTruthy();
+            });
+
+            it("does not honour m.space.parent if sender does not have permission in parent space", () => {
+                expect(store.getSpaceFilteredRoomIds(client.getRoom(space3)).has(room3)).toBeFalsy();
+            });
         });
     });
 

yarn.lock

@@ -2036,10 +2036,10 @@ ajv@^8.0.1:
     require-from-string "^2.0.2"
     uri-js "^4.2.2"
 
-allchange@^1.0.2:
+allchange@^1.0.3:
-  version "1.0.2"
+  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/allchange/-/allchange-1.0.2.tgz#86b9190e12b7ede4f230ae763cbd504c48fd907b"
+  resolved "https://registry.yarnpkg.com/allchange/-/allchange-1.0.3.tgz#f8814ddfbcfe39a01bf4570778ee7e6d9ff0ebb3"
-  integrity sha512-qJv1t2yvBThkes8g/dPMt8CGu+04U+q5QjCJn2Ngp92edZU8DJBfKGyGXo7w1iV48LVuQKQDfMsdIWhP7zHdlQ==
+  integrity sha512-UZkfz5SkNEMFQFLr8vZcXHaph2EbJxmkVNF5Nt6D9RIa5pmAar7oAMfNdda714jg7IQijvaFty5PYazXLgd5WA==
   dependencies:
     "@actions/core" "^1.4.0"
     "@actions/github" "^5.0.0"