Merge branch 'develop' into improve-file-drop-ui

src/components/structures/ContextMenu.tsx

@@ -397,7 +397,8 @@ export const toRightOf = (elementRect: DOMRect, chevronOffset = 12) => {
     return {left, top, chevronOffset};
 };
 
-// Placement method for <ContextMenu /> to position context menu right-aligned and flowing to the left of elementRect
+// Placement method for <ContextMenu /> to position context menu right-aligned and flowing to the left of elementRect,
+// and either above or below: wherever there is more space (maybe this should be aboveOrBelowLeftOf?)
 export const aboveLeftOf = (elementRect: DOMRect, chevronFace = ChevronFace.None, vPadding = 0) => {
     const menuOptions: IPosition & { chevronFace: ChevronFace } = { chevronFace };
 
@@ -416,6 +417,41 @@ export const aboveLeftOf = (elementRect: DOMRect, chevronFace = ChevronFace.None
     return menuOptions;
 };
 
+// Placement method for <ContextMenu /> to position context menu right-aligned and flowing to the left of elementRect
+// and always above elementRect
+export const alwaysAboveLeftOf = (elementRect: DOMRect, chevronFace = ChevronFace.None, vPadding = 0) => {
+    const menuOptions: IPosition & { chevronFace: ChevronFace } = { chevronFace };
+
+    const buttonRight = elementRect.right + window.pageXOffset;
+    const buttonBottom = elementRect.bottom + window.pageYOffset;
+    const buttonTop = elementRect.top + window.pageYOffset;
+    // Align the right edge of the menu to the right edge of the button
+    menuOptions.right = window.innerWidth - buttonRight;
+    // Align the menu vertically on whichever side of the button has more space available.
+    if (buttonBottom < window.innerHeight / 2) {
+        menuOptions.top = buttonBottom + vPadding;
+    } else {
+        menuOptions.bottom = (window.innerHeight - buttonTop) + vPadding;
+    }
+
+    return menuOptions;
+};
+
+// Placement method for <ContextMenu /> to position context menu right-aligned and flowing to the right of elementRect
+// and always above elementRect
+export const alwaysAboveRightOf = (elementRect: DOMRect, chevronFace = ChevronFace.None, vPadding = 0) => {
+    const menuOptions: IPosition & { chevronFace: ChevronFace } = { chevronFace };
+
+    const buttonLeft = elementRect.left + window.pageXOffset;
+    const buttonTop = elementRect.top + window.pageYOffset;
+    // Align the left edge of the menu to the left edge of the button
+    menuOptions.left = buttonLeft;
+    // Align the menu vertically above the menu
+    menuOptions.bottom = (window.innerHeight - buttonTop) + vPadding;
+
+    return menuOptions;
+};
+
 type ContextMenuTuple<T> = [boolean, RefObject<T>, () => void, () => void, (val: boolean) => void];
 export const useContextMenu = <T extends any = HTMLElement>(): ContextMenuTuple<T> => {
     const button = useRef<T>(null);

src/components/structures/FilePanel.js

@@ -45,7 +45,7 @@ class FilePanel extends React.Component {
     };
 
     onRoomTimeline = (ev, room, toStartOfTimeline, removed, data) => {
-        if (room.roomId !== this.props.roomId) return;
+        if (room?.roomId !== this.props?.roomId) return;
         if (toStartOfTimeline || !data || !data.liveEvent || ev.isRedacted()) return;
 
         if (ev.isBeingDecrypted()) {

src/components/structures/HostSignupAction.tsx

@@ -0,0 +1,56 @@
+/*
+Copyright 2021 The Matrix.org Foundation C.I.C.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+import React from "react";
+import {
+    IconizedContextMenuOption,
+    IconizedContextMenuOptionList,
+} from "../views/context_menus/IconizedContextMenu";
+import { _t } from "../../languageHandler";
+import { HostSignupStore } from "../../stores/HostSignupStore";
+import SdkConfig from "../../SdkConfig";
+
+interface IProps {}
+
+interface IState {}
+
+export default class HostSignupAction extends React.PureComponent<IProps, IState> {
+    private openDialog = async () => {
+        await HostSignupStore.instance.setHostSignupActive(true);
+    }
+
+    public render(): React.ReactNode {
+        const hostSignupConfig = SdkConfig.get().hostSignup;
+        if (!hostSignupConfig?.brand) {
+            return null;
+        }
+
+        return (
+            <IconizedContextMenuOptionList>
+                <IconizedContextMenuOption
+                    iconClassName="mx_UserMenu_iconHosting"
+                    label={_t(
+                        "Upgrade to %(hostSignupBrand)s",
+                        {
+                            hostSignupBrand: hostSignupConfig.brand,
+                        },
+                    )}
+                    onClick={this.openDialog}
+                />
+            </IconizedContextMenuOptionList>
+        );
+    }
+}

src/components/structures/InteractiveAuth.js

@@ -177,7 +177,14 @@ export default class InteractiveAuthComponent extends React.Component {
             stageState: stageState,
             errorText: stageState.error,
         }, () => {
-            if (oldStage != stageType) this._setFocus();
+            if (oldStage !== stageType) {
+                this._setFocus();
+            } else if (
+                !stageState.error && this._stageComponent.current &&
+                this._stageComponent.current.attemptFailed
+            ) {
+                this._stageComponent.current.attemptFailed();
+            }
         });
     };
 

src/components/structures/LeftPanelWidget.tsx

@@ -56,7 +56,7 @@ const LeftPanelWidget: React.FC<IProps> = ({ onResize }) => {
 
     const [height, setHeight] = useLocalStorageState("left-panel-widget-height", INITIAL_HEIGHT);
     const [expanded, setExpanded] = useLocalStorageState("left-panel-widget-expanded", true);
-    useEffect(onResize, [expanded]);
+    useEffect(onResize, [expanded, onResize]);
 
     const [onFocus, isActive, ref] = useRovingTabIndex();
     const tabIndex = isActive ? 0 : -1;

src/components/structures/LoggedInView.tsx

@@ -54,6 +54,7 @@ import { ToggleRightPanelPayload } from "../../dispatcher/payloads/ToggleRightPa
 import { IThreepidInvite } from "../../stores/ThreepidInviteStore";
 import Modal from "../../Modal";
 import { ICollapseConfig } from "../../resizer/distributors/collapse";
+import HostSignupContainer from '../views/host_signup/HostSignupContainer';
 
 // We need to fetch each pinned message individually (if we don't already have it)
 // so each pinned message may trigger a request. Limit the number per room for sanity.
@@ -140,7 +141,7 @@ class LoggedInView extends React.Component<IProps, IState> {
     protected readonly _matrixClient: MatrixClient;
     protected readonly _roomView: React.RefObject<any>;
     protected readonly _resizeContainer: React.RefObject<ResizeHandle>;
-    protected readonly _compactLayoutWatcherRef: string;
+    protected compactLayoutWatcherRef: string;
     protected resizer: Resizer;
 
     constructor(props, context) {
@@ -157,18 +158,6 @@ class LoggedInView extends React.Component<IProps, IState> {
 
         CallMediaHandler.loadDevices();
 
-        document.addEventListener('keydown', this._onNativeKeyDown, false);
-
-        this._updateServerNoticeEvents();
-
-        this._matrixClient.on("accountData", this.onAccountData);
-        this._matrixClient.on("sync", this.onSync);
-        this._matrixClient.on("RoomState.events", this.onRoomStateEvents);
-
-        this._compactLayoutWatcherRef = SettingsStore.watchSetting(
-            "useCompactLayout", null, this.onCompactLayoutChanged,
-        );
-
         fixupColorFonts();
 
         this._roomView = React.createRef();
@@ -176,6 +165,24 @@ class LoggedInView extends React.Component<IProps, IState> {
     }
 
     componentDidMount() {
+        document.addEventListener('keydown', this._onNativeKeyDown, false);
+
+        this._updateServerNoticeEvents();
+
+        this._matrixClient.on("accountData", this.onAccountData);
+        this._matrixClient.on("sync", this.onSync);
+        // Call `onSync` with the current state as well
+        this.onSync(
+            this._matrixClient.getSyncState(),
+            null,
+            this._matrixClient.getSyncStateData(),
+        );
+        this._matrixClient.on("RoomState.events", this.onRoomStateEvents);
+
+        this.compactLayoutWatcherRef = SettingsStore.watchSetting(
+            "useCompactLayout", null, this.onCompactLayoutChanged,
+        );
+
         this.resizer = this._createResizer();
         this.resizer.attach();
         this._loadResizerPreferences();
@@ -186,7 +193,7 @@ class LoggedInView extends React.Component<IProps, IState> {
         this._matrixClient.removeListener("accountData", this.onAccountData);
         this._matrixClient.removeListener("sync", this.onSync);
         this._matrixClient.removeListener("RoomState.events", this.onRoomStateEvents);
-        SettingsStore.unwatchSetting(this._compactLayoutWatcherRef);
+        SettingsStore.unwatchSetting(this.compactLayoutWatcherRef);
         this.resizer.detach();
     }
 
@@ -209,10 +216,12 @@ class LoggedInView extends React.Component<IProps, IState> {
 
     _createResizer() {
         let size;
+        let collapsed;
         const collapseConfig: ICollapseConfig = {
             toggleSize: 260 - 50,
-            onCollapsed: (collapsed) => {
-                if (collapsed) {
+            onCollapsed: (_collapsed) => {
+                collapsed = _collapsed;
+                if (_collapsed) {
                     dis.dispatch({action: "hide_left_panel"}, true);
                     window.localStorage.setItem("mx_lhs_size", '0');
                 } else {
@@ -227,7 +236,7 @@ class LoggedInView extends React.Component<IProps, IState> {
                 this.props.resizeNotifier.startResizing();
             },
             onResizeStop: () => {
-                window.localStorage.setItem("mx_lhs_size", '' + size);
+                if (!collapsed) window.localStorage.setItem("mx_lhs_size", '' + size);
                 this.props.resizeNotifier.stopResizing();
             },
         };
@@ -419,6 +428,14 @@ class LoggedInView extends React.Component<IProps, IState> {
                     handled = true;
                 }
                 break;
+            case Key.F:
+                if (ctrlCmdOnly && SettingsStore.getValue("ctrlFForSearch")) {
+                    dis.dispatch({
+                        action: 'focus_search',
+                    });
+                    handled = true;
+                }
+                break;
             case Key.BACKTICK:
                 // Ideally this would be CTRL+P for "Profile", but that's
                 // taken by the print dialog. CTRL+I for "Information"
@@ -632,6 +649,7 @@ class LoggedInView extends React.Component<IProps, IState> {
                 </div>
                 <CallContainer />
                 <NonUrgentToastContainer />
+                <HostSignupContainer />
             </MatrixClientContext.Provider>
         );
     }

src/components/structures/MatrixChat.tsx

@@ -80,6 +80,8 @@ import CreateCommunityPrototypeDialog from "../views/dialogs/CreateCommunityProt
 import ThreepidInviteStore, { IThreepidInvite, IThreepidInviteWireFormat } from "../../stores/ThreepidInviteStore";
 import {UIFeature} from "../../settings/UIFeature";
 import { CommunityPrototypeStore } from "../../stores/CommunityPrototypeStore";
+import DialPadModal from "../views/voip/DialPadModal";
+import { showToast as showMobileGuideToast } from '../../toasts/MobileGuideToast';
 
 /** constants for MatrixChat.state.view */
 export enum Views {
@@ -217,6 +219,7 @@ export default class MatrixChat extends React.PureComponent<IProps, IState> {
     private screenAfterLogin?: IScreen;
     private windowWidth: number;
     private pageChanging: boolean;
+    private tokenLogin?: boolean;
     private accountPassword?: string;
     private accountPasswordTimer?: NodeJS.Timeout;
     private focusComposer: boolean;
@@ -322,13 +325,21 @@ export default class MatrixChat extends React.PureComponent<IProps, IState> {
             Lifecycle.attemptTokenLogin(
                 this.props.realQueryParams,
                 this.props.defaultDeviceDisplayName,
-            ).then((loggedIn) => {
-                if (loggedIn) {
+                this.getFragmentAfterLogin(),
+            ).then(async (loggedIn) => {
+                if (this.props.realQueryParams?.loginToken) {
+                    // remove the loginToken from the URL regardless
                     this.props.onTokenLoginCompleted();
+                }
 
-                    // don't do anything else until the page reloads - just stay in
-                    // the 'loading' state.
-                    return;
+                if (loggedIn) {
+                    this.tokenLogin = true;
+
+                    // Create and start the client
+                    await Lifecycle.restoreFromLocalStorage({
+                        ignoreGuest: true,
+                    });
+                    return this.postLoginSetup();
                 }
 
                 // if the user has followed a login or register link, don't reanimate
@@ -352,6 +363,42 @@ export default class MatrixChat extends React.PureComponent<IProps, IState> {
         CountlyAnalytics.instance.enable(/* anonymous = */ true);
     }
 
+    private async postLoginSetup() {
+        const cli = MatrixClientPeg.get();
+        const cryptoEnabled = cli.isCryptoEnabled();
+        if (!cryptoEnabled) {
+            this.onLoggedIn();
+        }
+
+        const promisesList = [this.firstSyncPromise.promise];
+        if (cryptoEnabled) {
+            // wait for the client to finish downloading cross-signing keys for us so we
+            // know whether or not we have keys set up on this account
+            promisesList.push(cli.downloadKeys([cli.getUserId()]));
+        }
+
+        // Now update the state to say we're waiting for the first sync to complete rather
+        // than for the login to finish.
+        this.setState({ pendingInitialSync: true });
+
+        await Promise.all(promisesList);
+
+        if (!cryptoEnabled) {
+            this.setState({ pendingInitialSync: false });
+            return;
+        }
+
+        const crossSigningIsSetUp = cli.getStoredCrossSigningForUser(cli.getUserId());
+        if (crossSigningIsSetUp) {
+            this.setStateForNewView({ view: Views.COMPLETE_SECURITY });
+        } else if (await cli.doesServerSupportUnstableFeature("org.matrix.e2e_cross_signing")) {
+            this.setStateForNewView({ view: Views.E2E_SETUP });
+        } else {
+            this.onLoggedIn();
+        }
+        this.setState({ pendingInitialSync: false });
+    }
+
     // TODO: [REACT-WARNING] Replace with appropriate lifecycle stage
     // eslint-disable-next-line camelcase
     UNSAFE_componentWillUpdate(props, state) {
@@ -703,8 +750,13 @@ export default class MatrixChat extends React.PureComponent<IProps, IState> {
                     this.state.resizeNotifier.notifyLeftHandleResized();
                 });
                 break;
+            case Action.OpenDialPad:
+                Modal.createTrackedDialog('Dial pad', '', DialPadModal, {}, "mx_Dialog_dialPadWrapper");
+                break;
             case 'on_logged_in':
                 if (
+                    // Skip this handling for token login as that always calls onLoggedIn itself
+                    !this.tokenLogin &&
                     !Lifecycle.isSoftLogout() &&
                     this.state.view !== Views.LOGIN &&
                     this.state.view !== Views.REGISTER &&
@@ -1182,6 +1234,11 @@ export default class MatrixChat extends React.PureComponent<IProps, IState> {
         ) {
             showAnalyticsToast(this.props.config.piwik?.policyUrl);
         }
+        if (SdkConfig.get().mobileGuideToast) {
+            // The toast contains further logic to detect mobile platforms,
+            // check if it has been dismissed before, etc.
+            showMobileGuideToast();
+        }
     }
 
     private showScreenAfterLogin() {
@@ -1318,6 +1375,9 @@ export default class MatrixChat extends React.PureComponent<IProps, IState> {
         cli.on('Session.logged_out', function(errObj) {
             if (Lifecycle.isLoggingOut()) return;
 
+            // A modal might have been open when we were logged out by the server
+            Modal.closeCurrentModal('Session.logged_out');
+
             if (errObj.httpStatus === 401 && errObj.data && errObj.data['soft_logout']) {
                 console.warn("Soft logout issued by server - avoiding data deletion");
                 Lifecycle.softLogout();
@@ -1328,6 +1388,7 @@ export default class MatrixChat extends React.PureComponent<IProps, IState> {
                 title: _t('Signed Out'),
                 description: _t('For security, this session has been signed out. Please sign in again.'),
             });
+
             dis.dispatch({
                 action: 'logout',
             });
@@ -1597,10 +1658,16 @@ export default class MatrixChat extends React.PureComponent<IProps, IState> {
             // TODO: Handle encoded room/event IDs: https://github.com/vector-im/element-web/issues/9149
 
             let threepidInvite: IThreepidInvite;
+            // if we landed here from a 3PID invite, persist it
             if (params.signurl && params.email) {
                 threepidInvite = ThreepidInviteStore.instance
                     .storeInvite(roomString, params as IThreepidInviteWireFormat);
             }
+            // otherwise check that this room doesn't already have a known invite
+            if (!threepidInvite) {
+                const invites = ThreepidInviteStore.instance.getInvites();
+                threepidInvite = invites.find(invite => invite.roomId === roomString);
+            }
 
             // on our URLs there might be a ?via=matrix.org or similar to help
             // joins to the room succeed. We'll pass these through as an array
@@ -1829,40 +1896,7 @@ export default class MatrixChat extends React.PureComponent<IProps, IState> {
 
         // Create and start the client
         await Lifecycle.setLoggedIn(credentials);
-
-        const cli = MatrixClientPeg.get();
-        const cryptoEnabled = cli.isCryptoEnabled();
-        if (!cryptoEnabled) {
-            this.onLoggedIn();
-        }
-
-        const promisesList = [this.firstSyncPromise.promise];
-        if (cryptoEnabled) {
-            // wait for the client to finish downloading cross-signing keys for us so we
-            // know whether or not we have keys set up on this account
-            promisesList.push(cli.downloadKeys([cli.getUserId()]));
-        }
-
-        // Now update the state to say we're waiting for the first sync to complete rather
-        // than for the login to finish.
-        this.setState({ pendingInitialSync: true });
-
-        await Promise.all(promisesList);
-
-        if (!cryptoEnabled) {
-            this.setState({ pendingInitialSync: false });
-            return;
-        }
-
-        const crossSigningIsSetUp = cli.getStoredCrossSigningForUser(cli.getUserId());
-        if (crossSigningIsSetUp) {
-            this.setStateForNewView({ view: Views.COMPLETE_SECURITY });
-        } else if (await cli.doesServerSupportUnstableFeature("org.matrix.e2e_cross_signing")) {
-            this.setStateForNewView({ view: Views.E2E_SETUP });
-        } else {
-            this.onLoggedIn();
-        }
-        this.setState({ pendingInitialSync: false });
+        await this.postLoginSetup();
     };
 
     // complete security / e2e setup has finished
@@ -1906,6 +1940,7 @@ export default class MatrixChat extends React.PureComponent<IProps, IState> {
                 <E2eSetup
                     onFinished={this.onCompleteSecurityE2eSetupFinished}
                     accountPassword={this.accountPassword}
+                    tokenLogin={!!this.tokenLogin}
                 />
             );
         } else if (this.state.view === Views.LOGGED_IN) {

src/components/structures/MessagePanel.js

@@ -23,9 +23,11 @@ import classNames from 'classnames';
 import shouldHideEvent from '../../shouldHideEvent';
 import {wantsDateSeparator} from '../../DateUtils';
 import * as sdk from '../../index';
+import dis from "../../dispatcher/dispatcher";
 
 import {MatrixClientPeg} from '../../MatrixClientPeg';
 import SettingsStore from '../../settings/SettingsStore';
+import {Layout, LayoutPropType} from "../../settings/Layout";
 import {_t} from "../../languageHandler";
 import {haveTileForEvent} from "../views/rooms/EventTile";
 import {textForEvent} from "../../TextForEvent";
@@ -135,14 +137,13 @@ export default class MessagePanel extends React.Component {
         // whether to show reactions for an event
         showReactions: PropTypes.bool,
 
-        // whether to use the irc layout
-        useIRCLayout: PropTypes.bool,
+        // which layout to use
+        layout: LayoutPropType,
 
         // whether or not to show flair at all
         enableFlair: PropTypes.bool,
     };
 
-    // Force props to be loaded for useIRCLayout
     constructor(props) {
         super(props);
 
@@ -207,11 +208,13 @@ export default class MessagePanel extends React.Component {
 
     componentDidMount() {
         this._isMounted = true;
+        this.dispatcherRef = dis.register(this.onAction);
     }
 
     componentWillUnmount() {
         this._isMounted = false;
         SettingsStore.unwatchSetting(this._showTypingNotificationsWatcherRef);
+        dis.unregister(this.dispatcherRef);
     }
 
     componentDidUpdate(prevProps, prevState) {
@@ -224,6 +227,14 @@ export default class MessagePanel extends React.Component {
         }
     }
 
+    onAction = (payload) => {
+        switch (payload.action) {
+            case "scroll_to_bottom":
+                this.scrollToBottom();
+                break;
+        }
+    }
+
     onShowTypingNotificationsChange = () => {
         this.setState({
             showTypingNotifications: SettingsStore.getValue("showTypingNotifications"),
@@ -612,7 +623,7 @@ export default class MessagePanel extends React.Component {
                         isSelectedEvent={highlight}
                         getRelationsForEvent={this.props.getRelationsForEvent}
                         showReactions={this.props.showReactions}
-                        useIRCLayout={this.props.useIRCLayout}
+                        layout={this.props.layout}
                         enableFlair={this.props.enableFlair}
                     />
                 </TileErrorBoundary>
@@ -810,7 +821,7 @@ export default class MessagePanel extends React.Component {
         }
 
         let ircResizer = null;
-        if (this.props.useIRCLayout) {
+        if (this.props.layout == Layout.IRC) {
             ircResizer = <IRCTimelineProfileResizer
                 minWidth={20}
                 maxWidth={600}

src/components/structures/NotificationPanel.js

@@ -39,7 +39,7 @@ class NotificationPanel extends React.Component {
 
         const emptyState = (<div className="mx_RightPanel_empty mx_NotificationPanel_empty">
             <h2>{_t('You’re all caught up')}</h2>
-            <p>{_t('You have no visible notifications in this room.')}</p>
+            <p>{_t('You have no visible notifications.')}</p>
         </div>);
 
         let content;

src/components/structures/RightPanel.js

@@ -30,7 +30,6 @@ import MatrixClientContext from "../../contexts/MatrixClientContext";
 import {Action} from "../../dispatcher/actions";
 import RoomSummaryCard from "../views/right_panel/RoomSummaryCard";
 import WidgetCard from "../views/right_panel/WidgetCard";
-import defaultDispatcher from "../../dispatcher/dispatcher";
 
 export default class RightPanel extends React.Component {
     static get propTypes() {
@@ -186,7 +185,7 @@ export default class RightPanel extends React.Component {
         }
     }
 
-    onCloseUserInfo = () => {
+    onClose = () => {
         // XXX: There are three different ways of 'closing' this panel depending on what state
         // things are in... this knows far more than it should do about the state of the rest
         // of the app and is generally a bit silly.
@@ -198,31 +197,21 @@ export default class RightPanel extends React.Component {
             dis.dispatch({
                 action: "view_home_page",
             });
-        } else if (this.state.phase === RightPanelPhases.EncryptionPanel &&
+        } else if (
+            this.state.phase === RightPanelPhases.EncryptionPanel &&
             this.state.verificationRequest && this.state.verificationRequest.pending
         ) {
             // When the user clicks close on the encryption panel cancel the pending request first if any
             this.state.verificationRequest.cancel();
         } else {
-            // Otherwise we have got our user from RoomViewStore which means we're being shown
-            // within a room/group, so go back to the member panel if we were in the encryption panel,
-            // or the member list if we were in the member panel... phew.
-            const isEncryptionPhase = this.state.phase === RightPanelPhases.EncryptionPanel;
+            // the RightPanelStore has no way of knowing which mode room/group it is in, so we handle closing here
             dis.dispatch({
-                action: Action.ViewUser,
-                member: isEncryptionPhase ? this.state.member : null,
+                action: Action.ToggleRightPanel,
+                type: this.props.groupId ? "group" : "room",
             });
         }
     };
 
-    onClose = () => {
-        // the RightPanelStore has no way of knowing which mode room/group it is in, so we handle closing here
-        defaultDispatcher.dispatch({
-            action: Action.ToggleRightPanel,
-            type: this.props.groupId ? "group" : "room",
-        });
-    };
-
     render() {
         const MemberList = sdk.getComponent('rooms.MemberList');
         const UserInfo = sdk.getComponent('right_panel.UserInfo');
@@ -260,7 +249,7 @@ export default class RightPanel extends React.Component {
                     user={this.state.member}
                     room={this.props.room}
                     key={roomId || this.state.member.userId}
-                    onClose={this.onCloseUserInfo}
+                    onClose={this.onClose}
                     phase={this.state.phase}
                     verificationRequest={this.state.verificationRequest}
                     verificationRequestPromise={this.state.verificationRequestPromise}
@@ -276,7 +265,7 @@ export default class RightPanel extends React.Component {
                     user={this.state.member}
                     groupId={this.props.groupId}
                     key={this.state.member.userId}
-                    onClose={this.onCloseUserInfo} />;
+                    onClose={this.onClose} />;
                 break;
 
             case RightPanelPhases.GroupRoomInfo:

src/components/structures/RoomDirectory.js

@@ -477,7 +477,7 @@ export default class RoomDirectory extends React.Component {
         dis.dispatch(payload);
     }
 
-    getRow(room) {
+    createRoomCells(room) {
         const client = MatrixClientPeg.get();
         const clientRoom = client.getRoom(room.room_id);
         const hasJoinedRoom = clientRoom && clientRoom.getMyMembership() === "join";
@@ -487,7 +487,11 @@ export default class RoomDirectory extends React.Component {
         let previewButton;
         let joinOrViewButton;
 
-        if (room.world_readable && !hasJoinedRoom) {
+        // Element Web currently does not allow guests to join rooms, so we
+        // instead show them preview buttons for all rooms. If the room is not
+        // world readable, a modal will appear asking you to register first. If
+        // it is readable, the preview appears as normal.
+        if (!hasJoinedRoom && (room.world_readable || isGuest)) {
             previewButton = (
                 <AccessibleButton kind="secondary" onClick={(ev) => this.onPreviewClick(ev, room)}>{_t("Preview")}</AccessibleButton>
             );
@@ -496,7 +500,7 @@ export default class RoomDirectory extends React.Component {
             joinOrViewButton = (
                 <AccessibleButton kind="secondary" onClick={(ev) => this.onViewClick(ev, room)}>{_t("View")}</AccessibleButton>
             );
-        } else if (!isGuest || room.guest_can_join) {
+        } else if (!isGuest) {
             joinOrViewButton = (
                 <AccessibleButton kind="primary" onClick={(ev) => this.onJoinClick(ev, room)}>{_t("Join")}</AccessibleButton>
             );
@@ -519,31 +523,56 @@ export default class RoomDirectory extends React.Component {
                                 MatrixClientPeg.get().getHomeserverUrl(),
                                 room.avatar_url, 32, 32, "crop",
                             );
-        return (
-            <tr key={ room.room_id }
+        return [
+            <div key={ `${room.room_id}_avatar` }
                 onClick={(ev) => this.onRoomClicked(room, ev)}
                 // cancel onMouseDown otherwise shift-clicking highlights text
                 onMouseDown={(ev) => {ev.preventDefault();}}
+                className="mx_RoomDirectory_roomAvatar"
             >
-                <td className="mx_RoomDirectory_roomAvatar">
-                    <BaseAvatar width={32} height={32} resizeMethod='crop'
-                        name={ name } idName={ name }
-                        url={ avatarUrl } />
-                </td>
-                <td className="mx_RoomDirectory_roomDescription">
-                    <div className="mx_RoomDirectory_name">{ name }</div>&nbsp;
-                    <div className="mx_RoomDirectory_topic"
-                        onClick={ (ev) => { ev.stopPropagation(); } }
-                        dangerouslySetInnerHTML={{ __html: topic }} />
-                    <div className="mx_RoomDirectory_alias">{ get_display_alias_for_room(room) }</div>
-                </td>
-                <td className="mx_RoomDirectory_roomMemberCount">
-                    { room.num_joined_members }
-                </td>
-                <td className="mx_RoomDirectory_preview">{previewButton}</td>
-                <td className="mx_RoomDirectory_join">{joinOrViewButton}</td>
-            </tr>
-        );
+                <BaseAvatar width={32} height={32} resizeMethod='crop'
+                    name={ name } idName={ name }
+                    url={ avatarUrl }
+                />
+            </div>,
+            <div key={ `${room.room_id}_description` }
+                onClick={(ev) => this.onRoomClicked(room, ev)}
+                // cancel onMouseDown otherwise shift-clicking highlights text
+                onMouseDown={(ev) => {ev.preventDefault();}}
+                className="mx_RoomDirectory_roomDescription"
+            >
+                <div className="mx_RoomDirectory_name">{ name }</div>&nbsp;
+                <div className="mx_RoomDirectory_topic"
+                    onClick={ (ev) => { ev.stopPropagation(); } }
+                    dangerouslySetInnerHTML={{ __html: topic }}
+                />
+                <div className="mx_RoomDirectory_alias">{ get_display_alias_for_room(room) }</div>
+            </div>,
+            <div key={ `${room.room_id}_memberCount` }
+                onClick={(ev) => this.onRoomClicked(room, ev)}
+                // cancel onMouseDown otherwise shift-clicking highlights text
+                onMouseDown={(ev) => {ev.preventDefault();}}
+                className="mx_RoomDirectory_roomMemberCount"
+            >
+                { room.num_joined_members }
+            </div>,
+            <div key={ `${room.room_id}_preview` }
+                onClick={(ev) => this.onRoomClicked(room, ev)}
+                // cancel onMouseDown otherwise shift-clicking highlights text
+                onMouseDown={(ev) => {ev.preventDefault();}}
+                className="mx_RoomDirectory_preview"
+            >
+                {previewButton}
+            </div>,
+            <div key={ `${room.room_id}_join` }
+                onClick={(ev) => this.onRoomClicked(room, ev)}
+                // cancel onMouseDown otherwise shift-clicking highlights text
+                onMouseDown={(ev) => {ev.preventDefault();}}
+                className="mx_RoomDirectory_join"
+            >
+                {joinOrViewButton}
+            </div>,
+        ];
     }
 
     collectScrollPanel = (element) => {
@@ -602,7 +631,8 @@ export default class RoomDirectory extends React.Component {
         } else if (this.state.protocolsLoading) {
             content = <Loader />;
         } else {
-            const rows = (this.state.publicRooms || []).map(room => this.getRow(room));
+            const cells = (this.state.publicRooms || [])
+                .reduce((cells, room) => cells.concat(this.createRoomCells(room)), [],);
             // we still show the scrollpanel, at least for now, because
             // otherwise we don't fetch more because we don't get a fill
             // request from the scrollpanel because there isn't one
@@ -613,14 +643,12 @@ export default class RoomDirectory extends React.Component {
             }
 
             let scrollpanel_content;
-            if (rows.length === 0 && !this.state.loading) {
+            if (cells.length === 0 && !this.state.loading) {
                 scrollpanel_content = <i>{ _t('No rooms to show') }</i>;
             } else {
-                scrollpanel_content = <table className="mx_RoomDirectory_table">
-                    <tbody>
-                        { rows }
-                    </tbody>
-                </table>;
+                scrollpanel_content = <div className="mx_RoomDirectory_table">
+                    { cells }
+                </div>;
             }
             const ScrollPanel = sdk.getComponent("structures.ScrollPanel");
             content = <ScrollPanel ref={this.collectScrollPanel}

src/components/structures/RoomView.tsx

@@ -21,15 +21,15 @@ limitations under the License.
 //  - Search results component
 //  - Drag and drop
 
-import React, {createRef} from 'react';
+import React, { createRef } from 'react';
 import classNames from 'classnames';
-import {Room} from "matrix-js-sdk/src/models/room";
-import {MatrixEvent} from "matrix-js-sdk/src/models/event";
-import {EventSubscription} from "fbemitter";
+import { Room } from "matrix-js-sdk/src/models/room";
+import { MatrixEvent } from "matrix-js-sdk/src/models/event";
+import { EventSubscription } from "fbemitter";
 
 import shouldHideEvent from '../../shouldHideEvent';
-import {_t} from '../../languageHandler';
-import {RoomPermalinkCreator} from '../../utils/permalinks/Permalinks';
+import { _t } from '../../languageHandler';
+import { RoomPermalinkCreator } from '../../utils/permalinks/Permalinks';
 import ResizeNotifier from '../../utils/ResizeNotifier';
 import ContentMessages from '../../ContentMessages';
 import Modal from '../../Modal';
@@ -40,23 +40,24 @@ import Tinter from '../../Tinter';
 import rateLimitedFunc from '../../ratelimitedfunc';
 import * as ObjectUtils from '../../ObjectUtils';
 import * as Rooms from '../../Rooms';
-import eventSearch, {searchPagination} from '../../Searching';
-import {isOnlyCtrlOrCmdIgnoreShiftKeyEvent, Key} from '../../Keyboard';
+import eventSearch, { searchPagination } from '../../Searching';
+import { isOnlyCtrlOrCmdIgnoreShiftKeyEvent, Key } from '../../Keyboard';
 import MainSplit from './MainSplit';
 import RightPanel from './RightPanel';
 import RoomViewStore from '../../stores/RoomViewStore';
 import RoomScrollStateStore from '../../stores/RoomScrollStateStore';
 import WidgetEchoStore from '../../stores/WidgetEchoStore';
 import SettingsStore from "../../settings/SettingsStore";
+import {Layout} from "../../settings/Layout";
 import AccessibleButton from "../views/elements/AccessibleButton";
 import RightPanelStore from "../../stores/RightPanelStore";
-import {haveTileForEvent} from "../views/rooms/EventTile";
+import { haveTileForEvent } from "../views/rooms/EventTile";
 import RoomContext from "../../contexts/RoomContext";
 import MatrixClientContext from "../../contexts/MatrixClientContext";
-import {E2EStatus, shieldStatusForRoom} from '../../utils/ShieldUtils';
-import {Action} from "../../dispatcher/actions";
-import {SettingLevel} from "../../settings/SettingLevel";
-import {IMatrixClientCreds} from "../../MatrixClientPeg";
+import { E2EStatus, shieldStatusForRoom } from '../../utils/ShieldUtils';
+import { Action } from "../../dispatcher/actions";
+import { SettingLevel } from "../../settings/SettingLevel";
+import { IMatrixClientCreds } from "../../MatrixClientPeg";
 import ScrollPanel from "./ScrollPanel";
 import TimelinePanel from "./TimelinePanel";
 import ErrorBoundary from "../views/elements/ErrorBoundary";
@@ -67,17 +68,18 @@ import RoomUpgradeWarningBar from "../views/rooms/RoomUpgradeWarningBar";
 import PinnedEventsPanel from "../views/rooms/PinnedEventsPanel";
 import AuxPanel from "../views/rooms/AuxPanel";
 import RoomHeader from "../views/rooms/RoomHeader";
-import {XOR} from "../../@types/common";
+import { XOR } from "../../@types/common";
 import { IThreepidInvite } from "../../stores/ThreepidInviteStore";
 import EffectsOverlay from "../views/elements/EffectsOverlay";
-import {containsEmoji} from '../../effects/utils';
-import {CHAT_EFFECTS} from '../../effects';
+import { containsEmoji } from '../../effects/utils';
+import { CHAT_EFFECTS } from '../../effects';
 import { CallState, MatrixCall } from "matrix-js-sdk/src/webrtc/call";
 import WidgetStore from "../../stores/WidgetStore";
-import {UPDATE_EVENT} from "../../stores/AsyncStore";
+import { UPDATE_EVENT } from "../../stores/AsyncStore";
 import Notifier from "../../Notifier";
-import {showToast as showNotificationsToast} from "../../toasts/DesktopNotificationsToast";
+import { showToast as showNotificationsToast } from "../../toasts/DesktopNotificationsToast";
 import { RoomNotificationStateStore } from "../../stores/notifications/RoomNotificationStateStore";
+import { Container, WidgetLayoutStore } from "../../stores/widgets/WidgetLayoutStore";
 
 const DEBUG = false;
 let debuglog = function(msg: string) {};
@@ -180,7 +182,7 @@ export interface IState {
     };
     canReact: boolean;
     canReply: boolean;
-    useIRCLayout: boolean;
+    layout: Layout;
     matrixClientIsReady: boolean;
     showUrlPreview?: boolean;
     e2eStatus?: E2EStatus;
@@ -236,7 +238,7 @@ export default class RoomView extends React.Component<IProps, IState> {
             statusBarVisible: false,
             canReact: false,
             canReply: false,
-            useIRCLayout: SettingsStore.getValue("useIRCLayout"),
+            layout: SettingsStore.getValue("layout"),
             matrixClientIsReady: this.context && this.context.isInitialSyncComplete(),
             dragCounter: 0,
         };
@@ -265,13 +267,7 @@ export default class RoomView extends React.Component<IProps, IState> {
 
         this.showReadReceiptsWatchRef = SettingsStore.watchSetting("showReadReceipts", null,
             this.onReadReceiptsChange);
-        this.layoutWatcherRef = SettingsStore.watchSetting("useIRCLayout", null, this.onLayoutChange);
-    }
-
-    // TODO: [REACT-WARNING] Move into constructor
-    // eslint-disable-next-line camelcase
-    UNSAFE_componentWillMount() {
-        this.onRoomViewStoreUpdate(true);
+        this.layoutWatcherRef = SettingsStore.watchSetting("layout", null, this.onLayoutChange);
     }
 
     private onWidgetStoreUpdate = () => {
@@ -282,8 +278,9 @@ export default class RoomView extends React.Component<IProps, IState> {
 
     private checkWidgets = (room) => {
         this.setState({
-            hasPinnedWidgets: WidgetStore.instance.getPinnedApps(room.roomId).length > 0,
-        })
+            hasPinnedWidgets: WidgetLayoutStore.instance.getContainerWidgets(room, Container.Top).length > 0,
+            showApps: this.shouldShowApps(room),
+        });
     };
 
     private onReadReceiptsChange = () => {
@@ -420,11 +417,17 @@ export default class RoomView extends React.Component<IProps, IState> {
     }
 
     private onWidgetEchoStoreUpdate = () => {
+        if (!this.state.room) return;
         this.setState({
+            hasPinnedWidgets: WidgetLayoutStore.instance.getContainerWidgets(this.state.room, Container.Top).length > 0,
             showApps: this.shouldShowApps(this.state.room),
         });
     };
 
+    private onWidgetLayoutChange = () => {
+        this.onWidgetEchoStoreUpdate(); // we cheat here by calling the thing that matters
+    };
+
     private setupRoom(room: Room, roomId: string, joining: boolean, shouldPeek: boolean) {
         // if this is an unknown room then we're in one of three states:
         // - This is a room we can peek into (search engine) (we can /peek)
@@ -490,7 +493,7 @@ export default class RoomView extends React.Component<IProps, IState> {
     }
 
     private shouldShowApps(room: Room) {
-        if (!BROWSER_SUPPORTS_SANDBOX) return false;
+        if (!BROWSER_SUPPORTS_SANDBOX || !room) return false;
 
         // Check if user has previously chosen to hide the app drawer for this
         // room. If so, do not show apps
@@ -499,10 +502,15 @@ export default class RoomView extends React.Component<IProps, IState> {
 
         // This is confusing, but it means to say that we default to the tray being
         // hidden unless the user clicked to open it.
-        return hideWidgetDrawer === "false";
+        const isManuallyShown = hideWidgetDrawer === "false";
+
+        const widgets = WidgetLayoutStore.instance.getContainerWidgets(room, Container.Top);
+        return widgets.length > 0 || isManuallyShown;
     }
 
     componentDidMount() {
+        this.onRoomViewStoreUpdate(true);
+
         const call = this.getCallForRoom();
         const callState = call ? call.state : null;
         this.setState({
@@ -610,6 +618,13 @@ export default class RoomView extends React.Component<IProps, IState> {
         WidgetEchoStore.removeListener(UPDATE_EVENT, this.onWidgetEchoStoreUpdate);
         WidgetStore.instance.removeListener(UPDATE_EVENT, this.onWidgetStoreUpdate);
 
+        if (this.state.room) {
+            WidgetLayoutStore.instance.off(
+                WidgetLayoutStore.emissionForRoom(this.state.room),
+                this.onWidgetLayoutChange,
+            );
+        }
+
         if (this.showReadReceiptsWatchRef) {
             SettingsStore.unwatchSetting(this.showReadReceiptsWatchRef);
         }
@@ -626,7 +641,7 @@ export default class RoomView extends React.Component<IProps, IState> {
 
     private onLayoutChange = () => {
         this.setState({
-            useIRCLayout: SettingsStore.getValue("useIRCLayout"),
+            layout: SettingsStore.getValue("layout"),
         });
     };
 
@@ -750,6 +765,9 @@ export default class RoomView extends React.Component<IProps, IState> {
                     });
                 }
                 break;
+            case 'focus_search':
+                this.onSearchClick();
+                break;
         }
     };
 
@@ -837,6 +855,10 @@ export default class RoomView extends React.Component<IProps, IState> {
     // called when state.room is first initialised (either at initial load,
     // after a successful peek, or after we join the room).
     private onRoomLoaded = (room: Room) => {
+        // Attach a widget store listener only when we get a room
+        WidgetLayoutStore.instance.on(WidgetLayoutStore.emissionForRoom(room), this.onWidgetLayoutChange);
+        this.onWidgetLayoutChange(); // provoke an update
+
         this.calculatePeekRules(room);
         this.updatePreviewUrlVisibility(room);
         this.loadMembersIfJoined(room);
@@ -899,6 +921,15 @@ export default class RoomView extends React.Component<IProps, IState> {
         if (!room || room.roomId !== this.state.roomId) {
             return;
         }
+
+        // Detach the listener if the room is changing for some reason
+        if (this.state.room) {
+            WidgetLayoutStore.instance.off(
+                WidgetLayoutStore.emissionForRoom(this.state.room),
+                this.onWidgetLayoutChange,
+            );
+        }
+
         this.setState({
             room: room,
         }, () => {
@@ -1939,8 +1970,8 @@ export default class RoomView extends React.Component<IProps, IState> {
         const messagePanelClassNames = classNames(
             "mx_RoomView_messagePanel",
             {
-                "mx_IRCLayout": this.state.useIRCLayout,
-                "mx_GroupLayout": !this.state.useIRCLayout,
+                "mx_IRCLayout": this.state.layout == Layout.IRC,
+                "mx_GroupLayout": this.state.layout == Layout.Group,
             });
 
         // console.info("ShowUrlPreview for %s is %s", this.state.room.roomId, this.state.showUrlPreview);
@@ -1963,7 +1994,7 @@ export default class RoomView extends React.Component<IProps, IState> {
                 permalinkCreator={this.getPermalinkCreatorForRoom(this.state.room)}
                 resizeNotifier={this.props.resizeNotifier}
                 showReactions={true}
-                useIRCLayout={this.state.useIRCLayout}
+                layout={this.state.layout}
             />);
 
         let topUnreadMessagesBar = null;

src/components/structures/TabbedView.tsx

@@ -20,7 +20,6 @@ import * as React from "react";
 import {_t} from '../../languageHandler';
 import * as sdk from "../../index";
 import AutoHideScrollbar from './AutoHideScrollbar';
-import { ReactNode } from "react";
 
 /**
  * Represents a tab for the TabbedView.

src/components/structures/TimelinePanel.js

@@ -18,6 +18,7 @@ limitations under the License.
 */
 
 import SettingsStore from "../../settings/SettingsStore";
+import {LayoutPropType} from "../../settings/Layout";
 import React, {createRef} from 'react';
 import ReactDOM from "react-dom";
 import PropTypes from 'prop-types';
@@ -111,8 +112,8 @@ class TimelinePanel extends React.Component {
         // whether to show reactions for an event
         showReactions: PropTypes.bool,
 
-        // whether to use the irc layout
-        useIRCLayout: PropTypes.bool,
+        // which layout to use
+        layout: LayoutPropType,
     }
 
     // a map from room id to read marker event timestamp
@@ -1442,7 +1443,7 @@ class TimelinePanel extends React.Component {
                 getRelationsForEvent={this.getRelationsForEvent}
                 editState={this.state.editState}
                 showReactions={this.props.showReactions}
-                useIRCLayout={this.props.useIRCLayout}
+                layout={this.props.layout}
                 enableFlair={SettingsStore.getValue(UIFeature.Flair)}
             />
         );

src/components/structures/UserMenu.tsx

@@ -1,5 +1,5 @@
 /*
-Copyright 2020 The Matrix.org Foundation C.I.C.
+Copyright 2020, 2021 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.
@@ -28,7 +28,6 @@ import Modal from "../../Modal";
 import LogoutDialog from "../views/dialogs/LogoutDialog";
 import SettingsStore from "../../settings/SettingsStore";
 import {getCustomTheme} from "../../theme";
-import {getHostingLink} from "../../utils/HostingLink";
 import AccessibleButton, {ButtonEvent} from "../views/elements/AccessibleButton";
 import SdkConfig from "../../SdkConfig";
 import {getHomePageUrl} from "../../utils/pages";
@@ -51,6 +50,8 @@ import { RightPanelPhases } from "../../stores/RightPanelStorePhases";
 import ErrorDialog from "../views/dialogs/ErrorDialog";
 import EditCommunityPrototypeDialog from "../views/dialogs/EditCommunityPrototypeDialog";
 import {UIFeature} from "../../settings/UIFeature";
+import HostSignupAction from "./HostSignupAction";
+import {IHostSignupConfig} from "../views/dialogs/HostSignupDialogTypes";
 
 interface IProps {
     isMinimized: boolean;
@@ -272,7 +273,7 @@ export default class UserMenu extends React.Component<IProps, IState> {
         const prototypeCommunityName = CommunityPrototypeStore.instance.getSelectedCommunityName();
 
         let topSection;
-        const signupLink = getHostingLink("user-context-menu");
+        const hostSignupConfig: IHostSignupConfig = SdkConfig.get().hostSignup;
         if (MatrixClientPeg.get().isGuest()) {
             topSection = (
                 <div className="mx_UserMenu_contextMenu_header mx_UserMenu_contextMenu_guestPrompts">
@@ -292,24 +293,19 @@ export default class UserMenu extends React.Component<IProps, IState> {
                     })}
                 </div>
             )
-        } else if (signupLink) {
-            topSection = (
-                <div className="mx_UserMenu_contextMenu_header mx_UserMenu_contextMenu_hostingLink">
-                    {_t(
-                        "<a>Upgrade</a> to your own domain", {},
-                        {
-                            a: sub => (
-                                <a
-                                    href={signupLink}
-                                    target="_blank"
-                                    rel="noreferrer noopener"
-                                    tabIndex={-1}
-                                >{sub}</a>
-                            ),
-                        },
-                    )}
-                </div>
-            );
+        } else if (hostSignupConfig) {
+            if (hostSignupConfig && hostSignupConfig.url) {
+                // If hostSignup.domains is set to a non-empty array, only show
+                // dialog if the user is on the domain or a subdomain.
+                const hostSignupDomains = hostSignupConfig.domains || [];
+                const mxDomain = MatrixClientPeg.get().getDomain();
+                const validDomains = hostSignupDomains.filter(d => (d === mxDomain || mxDomain.endsWith(`.${d}`)));
+                if (!hostSignupConfig.domains || validDomains.length > 0) {
+                    topSection = <div onClick={this.onCloseMenu}>
+                        <HostSignupAction />
+                    </div>;
+                }
+            }
         }
 
         let homeButton = null;

src/components/structures/auth/E2eSetup.js

@@ -24,6 +24,7 @@ export default class E2eSetup extends React.Component {
     static propTypes = {
         onFinished: PropTypes.func.isRequired,
         accountPassword: PropTypes.string,
+        tokenLogin: PropTypes.bool,
     };
 
     render() {
@@ -33,6 +34,7 @@ export default class E2eSetup extends React.Component {
                     <CreateCrossSigningDialog
                         onFinished={this.props.onFinished}
                         accountPassword={this.props.accountPassword}
+                        tokenLogin={this.props.tokenLogin}
                     />
                 </CompleteSecurityBody>
             </AuthPage>

src/components/structures/auth/Login.tsx

@@ -340,8 +340,8 @@ export default class LoginComponent extends React.PureComponent<IProps, IState>
     };
 
     onTryRegisterClick = ev => {
-        const hasPasswordFlow = this.state.flows.find(flow => flow.type === "m.login.password");
-        const ssoFlow = this.state.flows.find(flow => flow.type === "m.login.sso" || flow.type === "m.login.cas");
+        const hasPasswordFlow = this.state.flows?.find(flow => flow.type === "m.login.password");
+        const ssoFlow = this.state.flows?.find(flow => flow.type === "m.login.sso" || flow.type === "m.login.cas");
         // If has no password flow but an SSO flow guess that the user wants to register with SSO.
         // TODO: instead hide the Register button if registration is disabled by checking with the server,
         // has no specific errCode currently and uses M_FORBIDDEN.

src/components/structures/auth/SetupEncryptionBody.js

@@ -120,9 +120,9 @@ export default class SetupEncryptionBody extends React.Component {
             const store = SetupEncryptionStore.sharedInstance();
             let recoveryKeyPrompt;
             if (store.keyInfo && keyHasPassphrase(store.keyInfo)) {
-                recoveryKeyPrompt = _t("Use Recovery Key or Passphrase");
+                recoveryKeyPrompt = _t("Use Security Key or Phrase");
             } else if (store.keyInfo) {
-                recoveryKeyPrompt = _t("Use Recovery Key");
+                recoveryKeyPrompt = _t("Use Security Key");
             }
 
             let useRecoveryKeyButton;

src/components/structures/auth/SoftLogout.js

@@ -72,9 +72,12 @@ export default class SoftLogout extends React.Component {
 
         this._initLogin();
 
-        MatrixClientPeg.get().countSessionsNeedingBackup().then(remaining => {
-            this.setState({keyBackupNeeded: remaining > 0});
-        });
+        const cli = MatrixClientPeg.get();
+        if (cli.isCryptoEnabled()) {
+            cli.countSessionsNeedingBackup().then(remaining => {
+                this.setState({ keyBackupNeeded: remaining > 0 });
+            });
+        }
     }
 
     onClearAll = () => {

src/components/views/auth/InteractiveAuthEntryComponents.js

@@ -609,8 +609,12 @@ export class SSOAuthEntry extends React.Component {
             this.props.authSessionId,
         );
 
+        this._popupWindow = null;
+        window.addEventListener("message", this._onReceiveMessage);
+
         this.state = {
             phase: SSOAuthEntry.PHASE_PREAUTH,
+            attemptFailed: false,
         };
     }
 
@@ -618,12 +622,35 @@ export class SSOAuthEntry extends React.Component {
         this.props.onPhaseChange(SSOAuthEntry.PHASE_PREAUTH);
     }
 
+    componentWillUnmount() {
+        window.removeEventListener("message", this._onReceiveMessage);
+        if (this._popupWindow) {
+            this._popupWindow.close();
+            this._popupWindow = null;
+        }
+    }
+
+    attemptFailed = () => {
+        this.setState({
+            attemptFailed: true,
+        });
+    };
+
+    _onReceiveMessage = event => {
+        if (event.data === "authDone" && event.origin === this.props.matrixClient.getHomeserverUrl()) {
+            if (this._popupWindow) {
+                this._popupWindow.close();
+                this._popupWindow = null;
+            }
+        }
+    };
+
     onStartAuthClick = () => {
         // Note: We don't use PlatformPeg's startSsoAuth functions because we almost
         // certainly will need to open the thing in a new tab to avoid losing application
         // context.
 
-        window.open(this._ssoUrl, '_blank');
+        this._popupWindow = window.open(this._ssoUrl, "_blank");
         this.setState({phase: SSOAuthEntry.PHASE_POSTAUTH});
         this.props.onPhaseChange(SSOAuthEntry.PHASE_POSTAUTH);
     };
@@ -656,10 +683,28 @@ export class SSOAuthEntry extends React.Component {
             );
         }
 
-        return <div className='mx_InteractiveAuthEntryComponents_sso_buttons'>
-            {cancelButton}
-            {continueButton}
-        </div>;
+        let errorSection;
+        if (this.props.errorText) {
+            errorSection = (
+                <div className="error" role="alert">
+                    { this.props.errorText }
+                </div>
+            );
+        } else if (this.state.attemptFailed) {
+            errorSection = (
+                <div className="error" role="alert">
+                    { _t("Something went wrong in confirming your identity. Cancel and try again.") }
+                </div>
+            );
+        }
+
+        return <React.Fragment>
+            { errorSection }
+            <div className="mx_InteractiveAuthEntryComponents_sso_buttons">
+                {cancelButton}
+                {continueButton}
+            </div>
+        </React.Fragment>;
     }
 }
 
@@ -710,8 +755,7 @@ export class FallbackAuthEntry extends React.Component {
             this.props.loginType,
             this.props.authSessionId,
         );
-        this._popupWindow = window.open(url);
-        this._popupWindow.opener = null;
+        this._popupWindow = window.open(url, "_blank");
     };
 
     _onReceiveMessage = event => {

src/components/views/auth/PasswordLogin.tsx

@@ -196,7 +196,7 @@ export default class PasswordLogin extends React.PureComponent<IProps, IState> {
 
         // Validation and state updates are async, so we need to wait for them to complete
         // first. Queue a `setState` callback and wait for it to resolve.
-        await new Promise(resolve => this.setState({}, resolve));
+        await new Promise<void>(resolve => this.setState({}, resolve));
 
         if (this.allFieldsValid()) {
             return true;

src/components/views/auth/RegistrationForm.tsx

@@ -194,7 +194,7 @@ export default class RegistrationForm extends React.PureComponent<IProps, IState
 
         // Validation and state updates are async, so we need to wait for them to complete
         // first. Queue a `setState` callback and wait for it to resolve.
-        await new Promise(resolve => this.setState({}, resolve));
+        await new Promise<void>(resolve => this.setState({}, resolve));
 
         if (this.allFieldsValid()) {
             return true;

src/components/views/context_menus/CallContextMenu.tsx

@@ -20,6 +20,8 @@ import { _t } from '../../../languageHandler';
 import { ContextMenu, IProps as IContextMenuProps, MenuItem } from '../../structures/ContextMenu';
 import { MatrixCall } from 'matrix-js-sdk/src/webrtc/call';
 import CallHandler from '../../../CallHandler';
+import InviteDialog, { KIND_CALL_TRANSFER } from '../dialogs/InviteDialog';
+import Modal from '../../../Modal';
 
 interface IProps extends IContextMenuProps {
     call: MatrixCall;
@@ -46,14 +48,30 @@ export default class CallContextMenu extends React.Component<IProps> {
         this.props.onFinished();
     }
 
+    onTransferClick = () => {
+        Modal.createTrackedDialog(
+            'Transfer Call', '', InviteDialog, {kind: KIND_CALL_TRANSFER, call: this.props.call},
+            /*className=*/null, /*isPriority=*/false, /*isStatic=*/true,
+        );
+        this.props.onFinished();
+    }
+
     render() {
         const holdUnholdCaption = this.props.call.isRemoteOnHold() ? _t("Resume") : _t("Hold");
         const handler = this.props.call.isRemoteOnHold() ? this.onUnholdClick : this.onHoldClick;
 
+        let transferItem;
+        if (this.props.call.opponentCanBeTransferred()) {
+            transferItem = <MenuItem className="mx_CallContextMenu_item" onClick={this.onTransferClick}>
+                {_t("Transfer")}
+            </MenuItem>;
+        }
+
         return <ContextMenu {...this.props}>
             <MenuItem className="mx_CallContextMenu_item" onClick={handler}>
                 {holdUnholdCaption}
             </MenuItem>
+            {transferItem}
         </ContextMenu>;
     }
 }

src/components/views/context_menus/DialpadContextMenu.tsx

@@ -0,0 +1,59 @@
+/*
+Copyright 2021 The Matrix.org Foundation C.I.C.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+import React from 'react';
+import { _t } from '../../../languageHandler';
+import { ContextMenu, IProps as IContextMenuProps } from '../../structures/ContextMenu';
+import { MatrixCall } from 'matrix-js-sdk/src/webrtc/call';
+import Dialpad from '../voip/DialPad';
+
+interface IProps extends IContextMenuProps {
+    call: MatrixCall;
+}
+
+interface IState {
+    value: string;
+}
+
+export default class DialpadContextMenu extends React.Component<IProps, IState> {
+    constructor(props) {
+        super(props);
+
+        this.state = {
+            value: '',
+        }
+    }
+
+    onDigitPress = (digit) => {
+        this.props.call.sendDtmfDigit(digit);
+        this.setState({value: this.state.value + digit});
+    }
+
+    render() {
+        return <ContextMenu {...this.props}>
+            <div className="mx_DialPadContextMenu_header">
+                <div>
+                    <span className="mx_DialPadContextMenu_title">{_t("Dial pad")}</span>
+                </div>
+                <div className="mx_DialPadContextMenu_dialled">{this.state.value}</div>
+            </div>
+            <div className="mx_DialPadContextMenu_horizSep" />
+            <div className="mx_DialPadContextMenu_dialPad">
+                <Dialpad onDigitPress={this.onDigitPress} hasDialAndDelete={false} />
+            </div>
+        </ContextMenu>;
+    }
+}

src/components/views/context_menus/WidgetContextMenu.tsx

@@ -20,17 +20,17 @@ import {MatrixCapabilities} from "matrix-widget-api";
 import IconizedContextMenu, {IconizedContextMenuOption, IconizedContextMenuOptionList} from "./IconizedContextMenu";
 import {ChevronFace} from "../../structures/ContextMenu";
 import {_t} from "../../../languageHandler";
-import WidgetStore, {IApp} from "../../../stores/WidgetStore";
+import {IApp} from "../../../stores/WidgetStore";
 import WidgetUtils from "../../../utils/WidgetUtils";
 import {WidgetMessagingStore} from "../../../stores/widgets/WidgetMessagingStore";
 import RoomContext from "../../../contexts/RoomContext";
 import dis from "../../../dispatcher/dispatcher";
 import SettingsStore from "../../../settings/SettingsStore";
-import {SettingLevel} from "../../../settings/SettingLevel";
 import Modal from "../../../Modal";
 import QuestionDialog from "../dialogs/QuestionDialog";
 import {WidgetType} from "../../../widgets/WidgetType";
 import MatrixClientContext from "../../../contexts/MatrixClientContext";
+import { Container, WidgetLayoutStore } from "../../../stores/widgets/WidgetLayoutStore";
 
 interface IProps extends React.ComponentProps<typeof IconizedContextMenu> {
     app: IApp;
@@ -57,7 +57,7 @@ const WidgetContextMenu: React.FC<IProps> = ({
     let unpinButton;
     if (showUnpin) {
         const onUnpinClick = () => {
-            WidgetStore.instance.unpinWidget(room.roomId, app.id);
+            WidgetLayoutStore.instance.moveToContainer(room, app, Container.Right);
             onFinished();
         };
 
@@ -127,7 +127,8 @@ const WidgetContextMenu: React.FC<IProps> = ({
             console.info("Revoking permission for widget to load: " + app.eventId);
             const current = SettingsStore.getValue("allowedWidgets", roomId);
             current[app.eventId] = false;
-            SettingsStore.setValue("allowedWidgets", roomId, SettingLevel.ROOM_ACCOUNT, current).catch(err => {
+            const level = SettingsStore.firstSupportedLevel("allowedWidgets");
+            SettingsStore.setValue("allowedWidgets", roomId, level, current).catch(err => {
                 console.error(err);
                 // We don't really need to do anything about this - the user will just hit the button again.
             });
@@ -137,13 +138,13 @@ const WidgetContextMenu: React.FC<IProps> = ({
         revokeButton = <IconizedContextMenuOption onClick={onRevokeClick} label={_t("Revoke permissions")} />;
     }
 
-    const pinnedWidgets = WidgetStore.instance.getPinnedApps(roomId);
+    const pinnedWidgets = WidgetLayoutStore.instance.getContainerWidgets(room, Container.Top);
     const widgetIndex = pinnedWidgets.findIndex(widget => widget.id === app.id);
 
     let moveLeftButton;
     if (showUnpin && widgetIndex > 0) {
         const onClick = () => {
-            WidgetStore.instance.movePinnedWidget(roomId, app.id, -1);
+            WidgetLayoutStore.instance.moveWithinContainer(room, Container.Top, app, -1);
             onFinished();
         };
 
@@ -153,7 +154,7 @@ const WidgetContextMenu: React.FC<IProps> = ({
     let moveRightButton;
     if (showUnpin && widgetIndex < pinnedWidgets.length - 1) {
         const onClick = () => {
-            WidgetStore.instance.movePinnedWidget(roomId, app.id, 1);
+            WidgetLayoutStore.instance.moveWithinContainer(room, Container.Top, app, 1);
             onFinished();
         };
 

src/components/views/dialogs/DevtoolsDialog.js

@@ -32,6 +32,8 @@ import {
     PHASE_STARTED,
     PHASE_CANCELLED,
 } from "matrix-js-sdk/src/crypto/verification/request/VerificationRequest";
+import WidgetStore from "../../../stores/WidgetStore";
+import {UPDATE_EVENT} from "../../../stores/AsyncStore";
 
 class GenericEditor extends React.PureComponent {
     // static propTypes = {onBack: PropTypes.func.isRequired};
@@ -701,6 +703,97 @@ class VerificationExplorer extends React.Component {
     }
 }
 
+class WidgetExplorer extends React.Component {
+    static getLabel() {
+        return _t("Active Widgets");
+    }
+
+    constructor(props) {
+        super(props);
+
+        this.state = {
+            query: '',
+            editWidget: null, // set to an IApp when editing
+        };
+    }
+
+    onWidgetStoreUpdate = () => {
+        this.forceUpdate();
+    };
+
+    onQueryChange = (query) => {
+        this.setState({query});
+    };
+
+    onEditWidget = (widget) => {
+        this.setState({editWidget: widget});
+    };
+
+    onBack = () => {
+        const widgets = WidgetStore.instance.getApps(this.props.room.roomId);
+        if (this.state.editWidget && widgets.includes(this.state.editWidget)) {
+            this.setState({editWidget: null});
+        } else {
+            this.props.onBack();
+        }
+    };
+
+    componentDidMount() {
+        WidgetStore.instance.on(UPDATE_EVENT, this.onWidgetStoreUpdate);
+    }
+
+    componentWillUnmount() {
+        WidgetStore.instance.off(UPDATE_EVENT, this.onWidgetStoreUpdate);
+    }
+
+    render() {
+        const room = this.props.room;
+
+        const editWidget = this.state.editWidget;
+        const widgets = WidgetStore.instance.getApps(room.roomId);
+        if (editWidget && widgets.includes(editWidget)) {
+            const allState = Array.from(Array.from(room.currentState.events.values()).map(e => e.values()))
+                .reduce((p, c) => {p.push(...c); return p;}, []);
+            const stateEv = allState.find(ev => ev.getId() === editWidget.eventId);
+            if (!stateEv) { // "should never happen"
+                return <div>
+                    {_t("There was an error finding this widget.")}
+                    <div className="mx_Dialog_buttons">
+                        <button onClick={this.onBack}>{_t("Back")}</button>
+                    </div>
+                </div>;
+            }
+            return <SendCustomEvent
+                onBack={this.onBack}
+                room={room}
+                forceStateEvent={true}
+                inputs={{
+                    eventType: stateEv.getType(),
+                    evContent: JSON.stringify(stateEv.getContent(), null, '\t'),
+                    stateKey: stateEv.getStateKey(),
+                }}
+            />;
+        }
+
+        return (<div>
+            <div className="mx_Dialog_content">
+                <FilteredList query={this.state.query} onChange={this.onQueryChange}>
+                    {widgets.map(w => {
+                        return <button
+                            className='mx_DevTools_RoomStateExplorer_button'
+                            key={w.url + w.eventId}
+                            onClick={() => this.onEditWidget(w)}
+                        >{w.url}</button>;
+                    })}
+                </FilteredList>
+            </div>
+            <div className="mx_Dialog_buttons">
+                <button onClick={this.onBack}>{_t("Back")}</button>
+            </div>
+        </div>);
+    }
+}
+
 const Entries = [
     SendCustomEvent,
     RoomStateExplorer,
@@ -708,6 +801,7 @@ const Entries = [
     AccountDataExplorer,
     ServersInRoomList,
     VerificationExplorer,
+    WidgetExplorer,
 ];
 
 export default class DevtoolsDialog extends React.PureComponent {

src/components/views/dialogs/ErrorDialog.js

@@ -50,6 +50,10 @@ export default class ErrorDialog extends React.Component {
         button: null,
     };
 
+    onClick = () => {
+        this.props.onFinished(true);
+    };
+
     render() {
         const BaseDialog = sdk.getComponent('views.dialogs.BaseDialog');
         return (
@@ -64,7 +68,7 @@ export default class ErrorDialog extends React.Component {
                     { this.props.description || _t('An error has occurred.') }
                 </div>
                 <div className="mx_Dialog_buttons">
-                    <button className="mx_Dialog_primary" onClick={this.props.onFinished} autoFocus={this.props.focus}>
+                    <button className="mx_Dialog_primary" onClick={this.onClick} autoFocus={this.props.focus}>
                         { this.props.button || _t('OK') }
                     </button>
                 </div>

src/components/views/dialogs/HostSignupDialog.tsx

@@ -0,0 +1,291 @@
+/*
+Copyright 2021 The Matrix.org Foundation C.I.C.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+import React from "react";
+import AccessibleButton from "../elements/AccessibleButton";
+import Modal from "../../../Modal";
+import PersistedElement from "../elements/PersistedElement";
+import QuestionDialog from './QuestionDialog';
+import SdkConfig from "../../../SdkConfig";
+import classNames from "classnames";
+import { _t } from "../../../languageHandler";
+import { MatrixClientPeg } from "../../../MatrixClientPeg";
+import { HostSignupStore } from "../../../stores/HostSignupStore";
+import { OwnProfileStore } from "../../../stores/OwnProfileStore";
+import {
+    IHostSignupConfig,
+    IPostmessage,
+    IPostmessageResponseData,
+    PostmessageAction,
+} from "./HostSignupDialogTypes";
+
+const HOST_SIGNUP_KEY = "host_signup";
+
+interface IProps {}
+
+interface IState {
+    completed: boolean;
+    error: string;
+    minimized: boolean;
+}
+
+export default class HostSignupDialog extends React.PureComponent<IProps, IState> {
+    private iframeRef: React.RefObject<HTMLIFrameElement> = React.createRef();
+    private readonly config: IHostSignupConfig;
+
+    constructor(props: IProps) {
+        super(props);
+
+        this.state = {
+            completed: false,
+            error: null,
+            minimized: false,
+        };
+
+        this.config = SdkConfig.get().hostSignup;
+    }
+
+    private messageHandler = async (message: IPostmessage) => {
+        if (!this.config.url.startsWith(message.origin)) {
+            return;
+        }
+        switch (message.data.action) {
+            case PostmessageAction.HostSignupAccountDetailsRequest:
+                this.onAccountDetailsRequest();
+                break;
+            case PostmessageAction.Maximize:
+                this.setState({
+                    minimized: false,
+                });
+                break;
+            case PostmessageAction.Minimize:
+                this.setState({
+                    minimized: true,
+                });
+                break;
+            case PostmessageAction.SetupComplete:
+                this.setState({
+                    completed: true,
+                });
+                break;
+            case PostmessageAction.CloseDialog:
+                return this.closeDialog();
+        }
+    }
+
+    private maximizeDialog = () => {
+        this.setState({
+            minimized: false,
+        });
+        // Send this action to the iframe so it can act accordingly
+        this.sendMessage({
+            action: PostmessageAction.Maximize,
+        });
+    }
+
+    private minimizeDialog = () => {
+        this.setState({
+            minimized: true,
+        });
+        // Send this action to the iframe so it can act accordingly
+        this.sendMessage({
+            action: PostmessageAction.Minimize,
+        });
+    }
+
+    private closeDialog = async () => {
+        window.removeEventListener("message", this.messageHandler);
+        // Ensure we destroy the host signup persisted element
+        PersistedElement.destroyElement("host_signup");
+        // Finally clear the flag in
+        return HostSignupStore.instance.setHostSignupActive(false);
+    }
+
+    private onCloseClick = async () => {
+        if (this.state.completed) {
+            // We're done, close
+            return this.closeDialog();
+        } else {
+            Modal.createDialog(
+                QuestionDialog,
+                {
+                    title: _t("Confirm abort of host creation"),
+                    description: _t(
+                        "Are you sure you wish to abort creation of the host? The process cannot be continued.",
+                    ),
+                    button: _t("Abort"),
+                    onFinished: result => {
+                        if (result) {
+                            return this.closeDialog();
+                        }
+                    },
+                },
+            );
+        }
+    }
+
+    private sendMessage = (message: IPostmessageResponseData) => {
+        this.iframeRef.current.contentWindow.postMessage(message, this.config.url);
+    }
+
+    private async sendAccountDetails() {
+        const openIdToken = await MatrixClientPeg.get().getOpenIdToken();
+        if (!openIdToken || !openIdToken.access_token) {
+            console.warn("Failed to connect to homeserver for OpenID token.")
+            this.setState({
+                completed: true,
+                error: _t("Failed to connect to your homeserver. Please close this dialog and try again."),
+            });
+            return;
+        }
+        this.sendMessage({
+            action: PostmessageAction.HostSignupAccountDetails,
+            account: {
+                accessToken: await MatrixClientPeg.get().getAccessToken(),
+                name: OwnProfileStore.instance.displayName,
+                openIdToken: openIdToken.access_token,
+                serverName: await MatrixClientPeg.get().getDomain(),
+                userLocalpart: await MatrixClientPeg.get().getUserIdLocalpart(),
+                termsAccepted: true,
+            },
+        });
+    }
+
+    private onAccountDetailsDialogFinished = async (result) => {
+        if (result) {
+            return this.sendAccountDetails();
+        }
+        return this.closeDialog();
+    }
+
+    private onAccountDetailsRequest = () => {
+        const textComponent = (
+            <>
+                <p>
+                    {_t("Continuing temporarily allows the %(hostSignupBrand)s setup process to access your " +
+                        "account to fetch verified email addresses. This data is not stored.", {
+                        hostSignupBrand: this.config.brand,
+                    })}
+                </p>
+                <p>
+                    {_t("Learn more in our <privacyPolicyLink />, <termsOfServiceLink /> and <cookiePolicyLink />.",
+                        {},
+                        {
+                            cookiePolicyLink: () => (
+                                <a href={this.config.cookiePolicyUrl} target="_blank" rel="noreferrer noopener">
+                                    {_t("Cookie Policy")}
+                                </a>
+                            ),
+                            privacyPolicyLink: () => (
+                                <a href={this.config.privacyPolicyUrl} target="_blank" rel="noreferrer noopener">
+                                    {_t("Privacy Policy")}
+                                </a>
+                            ),
+                            termsOfServiceLink: () => (
+                                <a href={this.config.termsOfServiceUrl} target="_blank" rel="noreferrer noopener">
+                                    {_t("Terms of Service")}
+                                </a>
+                            ),
+                        },
+                    )}
+                </p>
+            </>
+        );
+        Modal.createDialog(
+            QuestionDialog,
+            {
+                title: _t("You should know"),
+                description: textComponent,
+                button: _t("Continue"),
+                onFinished: this.onAccountDetailsDialogFinished,
+            },
+        );
+    }
+
+    public componentDidMount() {
+        window.addEventListener("message", this.messageHandler);
+    }
+
+    public componentWillUnmount() {
+        if (HostSignupStore.instance.isHostSignupActive) {
+            // Run the close dialog actions if we're still active, otherwise good to go
+            return this.closeDialog();
+        }
+    }
+
+    public render(): React.ReactNode {
+        return (
+            <div className="mx_HostSignup_persisted">
+                <PersistedElement key={HOST_SIGNUP_KEY} persistKey={HOST_SIGNUP_KEY}>
+                    <div className={classNames({ "mx_Dialog_wrapper": !this.state.minimized })}>
+                        <div
+                            className={classNames("mx_Dialog",
+                                {
+                                    "mx_HostSignupDialog_minimized": this.state.minimized,
+                                    "mx_HostSignupDialog": !this.state.minimized,
+                                },
+                            )}
+                        >
+                            {this.state.minimized &&
+                                <div className="mx_Dialog_header mx_Dialog_headerWithButton">
+                                    <div className="mx_Dialog_title">
+                                        {_t("%(hostSignupBrand)s Setup", {
+                                            hostSignupBrand: this.config.brand,
+                                        })}
+                                    </div>
+                                    <AccessibleButton
+                                        className="mx_HostSignup_maximize_button"
+                                        onClick={this.maximizeDialog}
+                                        aria-label={_t("Maximize dialog")}
+                                        title={_t("Maximize dialog")}
+                                    />
+                                </div>
+                            }
+                            {!this.state.minimized &&
+                                <div className="mx_Dialog_header mx_Dialog_headerWithCancel">
+                                    <AccessibleButton
+                                        onClick={this.minimizeDialog}
+                                        className="mx_HostSignup_minimize_button"
+                                        aria-label={_t("Minimize dialog")}
+                                        title={_t("Minimize dialog")}
+                                    />
+                                    <AccessibleButton
+                                        onClick={this.onCloseClick}
+                                        className="mx_Dialog_cancelButton"
+                                        aria-label={_t("Close dialog")}
+                                        title={_t("Close dialog")}
+                                    />
+                                </div>
+                            }
+                            {this.state.error &&
+                                <div>
+                                    {this.state.error}
+                                </div>
+                            }
+                            {!this.state.error &&
+                                <iframe
+                                    src={this.config.url}
+                                    ref={this.iframeRef}
+                                    sandbox="allow-forms allow-scripts allow-same-origin allow-popups"
+                                />
+                            }
+                        </div>
+                    </div>
+                </PersistedElement>
+            </div>
+        );
+    }
+}

src/components/views/dialogs/HostSignupDialogTypes.ts

@@ -0,0 +1,56 @@
+/*
+Copyright 2021 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.
+*/
+
+export enum PostmessageAction {
+    CloseDialog = "close_dialog",
+    HostSignupAccountDetails = "host_signup_account_details",
+    HostSignupAccountDetailsRequest = "host_signup_account_details_request",
+    Minimize = "host_signup_minimize",
+    Maximize = "host_signup_maximize",
+    SetupComplete = "setup_complete",
+}
+
+interface IAccountData {
+    accessToken: string;
+    name: string;
+    openIdToken: string;
+    serverName: string;
+    userLocalpart: string;
+    termsAccepted: boolean;
+}
+
+export interface IPostmessageRequestData {
+    action: PostmessageAction;
+}
+
+export interface IPostmessageResponseData {
+    action: PostmessageAction;
+    account?: IAccountData;
+}
+
+export interface IPostmessage {
+    data: IPostmessageRequestData;
+    origin: string;
+}
+
+export interface IHostSignupConfig {
+    brand: string;
+    cookiePolicyUrl: string;
+    domains: Array<string>;
+    privacyPolicyUrl: string;
+    termsOfServiceUrl: string;
+    url: string;
+}

src/components/views/dialogs/InviteDialog.tsx

@@ -41,12 +41,14 @@ import SettingsStore from "../../../settings/SettingsStore";
 import {UIFeature} from "../../../settings/UIFeature";
 import CountlyAnalytics from "../../../CountlyAnalytics";
 import {Room} from "matrix-js-sdk/src/models/room";
+import { MatrixCall } from 'matrix-js-sdk/src/webrtc/call';
 
 // we have a number of types defined from the Matrix spec which can't reasonably be altered here.
 /* eslint-disable camelcase */
 
 export const KIND_DM = "dm";
 export const KIND_INVITE = "invite";
+export const KIND_CALL_TRANSFER = "call_transfer";
 
 const INITIAL_ROOMS_SHOWN = 3; // Number of rooms to show at first
 const INCREMENT_ROOMS_SHOWN = 5; // Number of rooms to add when 'show more' is clicked
@@ -310,6 +312,9 @@ interface IInviteDialogProps {
     // The room ID this dialog is for. Only required for KIND_INVITE.
     roomId: string,
 
+    // The call to transfer. Only required for KIND_CALL_TRANSFER.
+    call: MatrixCall,
+
     // Initial value to populate the filter with
     initialText: string,
 }
@@ -345,6 +350,8 @@ export default class InviteDialog extends React.PureComponent<IInviteDialogProps
 
         if (props.kind === KIND_INVITE && !props.roomId) {
             throw new Error("When using KIND_INVITE a roomId is required for an InviteDialog");
+        } else if (props.kind === KIND_CALL_TRANSFER && !props.call) {
+            throw new Error("When using KIND_CALL_TRANSFER a call is required for an InviteDialog");
         }
 
         const alreadyInvited = new Set([MatrixClientPeg.get().getUserId(), SdkConfig.get()['welcomeUserId']]);
@@ -702,6 +709,29 @@ export default class InviteDialog extends React.PureComponent<IInviteDialogProps
         });
     };
 
+    _transferCall = async () => {
+        this._convertFilter();
+        const targets = this._convertFilter();
+        const targetIds = targets.map(t => t.userId);
+        if (targetIds.length > 1) {
+            this.setState({
+                errorText: _t("A call can only be transferred to a single user."),
+            });
+        }
+
+        this.setState({busy: true});
+        try {
+            await this.props.call.transfer(targetIds[0]);
+            this.setState({busy: false});
+            this.props.onFinished();
+        } catch (e) {
+            this.setState({
+                busy: false,
+                errorText: _t("Failed to transfer call"),
+            });
+        }
+    };
+
     _onKeyDown = (e) => {
         if (this.state.busy) return;
         const value = e.target.value.trim();
@@ -1217,7 +1247,7 @@ export default class InviteDialog extends React.PureComponent<IInviteDialogProps
             }
             buttonText = _t("Go");
             goButtonFn = this._startDm;
-        } else { // KIND_INVITE
+        } else if (this.props.kind === KIND_INVITE) {
             title = _t("Invite to this room");
 
             if (identityServersEnabled) {
@@ -1251,6 +1281,12 @@ export default class InviteDialog extends React.PureComponent<IInviteDialogProps
 
             buttonText = _t("Invite");
             goButtonFn = this._inviteUsers;
+        } else if (this.props.kind === KIND_CALL_TRANSFER) {
+            title = _t("Transfer");
+            buttonText = _t("Transfer");
+            goButtonFn = this._transferCall;
+        } else {
+            console.error("Unknown kind of InviteDialog: " + this.props.kind);
         }
 
         const hasSelection = this.state.targets.length > 0

src/components/views/dialogs/ModalWidgetDialog.tsx

@@ -35,13 +35,13 @@ import {
 } from "matrix-widget-api";
 import {StopGapWidgetDriver} from "../../../stores/widgets/StopGapWidgetDriver";
 import {MatrixClientPeg} from "../../../MatrixClientPeg";
-import RoomViewStore from "../../../stores/RoomViewStore";
 import {OwnProfileStore} from "../../../stores/OwnProfileStore";
 import { arrayFastClone } from "../../../utils/arrays";
 import { ElementWidget } from "../../../stores/widgets/StopGapWidget";
 
 interface IProps {
     widgetDefinition: IModalWidgetOpenRequestData;
+    widgetRoomId?: string;
     sourceWidgetId: string;
     onFinished(success: boolean, data?: IModalWidgetReturnData): void;
 }
@@ -123,7 +123,7 @@ export default class ModalWidgetDialog extends React.PureComponent<IProps, IStat
 
     public render() {
         const templated = this.widget.getCompleteUrl({
-            currentRoomId: RoomViewStore.getRoomId(),
+            widgetRoomId: this.props.widgetRoomId,
             currentUserId: MatrixClientPeg.get().getUserId(),
             userDisplayName: OwnProfileStore.instance.displayName,
             userHttpAvatarUrl: OwnProfileStore.instance.getHttpAvatarUrl(),

src/components/views/dialogs/NewSessionReviewDialog.js

@@ -47,7 +47,7 @@ export default class NewSessionReviewDialog extends React.PureComponent {
                     <li>{_t("The internet connection either session is using")}</li>
                 </ul>
                 <div>
-                    {_t("We recommend you change your password and recovery key in Settings immediately")}
+                    {_t("We recommend you change your password and Security Key in Settings immediately")}
                 </div>
             </div>,
             onFinished: () => this.props.onFinished(false),

src/components/views/dialogs/RegistrationEmailPromptDialog.tsx

@@ -44,7 +44,8 @@ const RegistrationEmailPromptDialog: React.FC<IProps> = ({onFinished}) => {
     const [email, setEmail] = useState("");
     const fieldRef = useRef<Field>();
 
-    const onSubmit = async () => {
+    const onSubmit = async (e) => {
+        e.preventDefault();
         if (email) {
             const valid = await fieldRef.current.validate({ allowEmpty: false });
 
@@ -73,6 +74,7 @@ const RegistrationEmailPromptDialog: React.FC<IProps> = ({onFinished}) => {
             <form onSubmit={onSubmit}>
                 <Field
                     ref={fieldRef}
+                    autoFocus={true}
                     type="text"
                     label={_t("Email (optional)")}
                     value={email}

src/components/views/dialogs/ServerPickerDialog.tsx

@@ -151,13 +151,13 @@ export default class ServerPickerDialog extends React.PureComponent<IProps, ISta
 
         const valid = await this.fieldRef.current.validate({ allowEmpty: false });
 
-        if (!valid) {
+        if (!valid && !this.state.defaultChosen) {
             this.fieldRef.current.focus();
             this.fieldRef.current.validate({ allowEmpty: false, focused: true });
             return;
         }
 
-        this.props.onFinished(this.validatedConf);
+        this.props.onFinished(this.state.defaultChosen ? this.defaultServer : this.validatedConf);
     };
 
     public render() {

src/components/views/dialogs/TextInputDialog.js

@@ -18,6 +18,7 @@ import React, {createRef} from 'react';
 import PropTypes from 'prop-types';
 import * as sdk from '../../../index';
 import Field from "../elements/Field";
+import { _t, _td } from '../../../languageHandler';
 
 export default class TextInputDialog extends React.Component {
     static propTypes = {
@@ -29,6 +30,7 @@ export default class TextInputDialog extends React.Component {
         value: PropTypes.string,
         placeholder: PropTypes.string,
         button: PropTypes.string,
+        busyMessage: PropTypes.string, // pass _td string
         focus: PropTypes.bool,
         onFinished: PropTypes.func.isRequired,
         hasCancel: PropTypes.bool,
@@ -40,6 +42,7 @@ export default class TextInputDialog extends React.Component {
         title: "",
         value: "",
         description: "",
+        busyMessage: _td("Loading..."),
         focus: true,
         hasCancel: true,
     };
@@ -51,6 +54,7 @@ export default class TextInputDialog extends React.Component {
 
         this.state = {
             value: this.props.value,
+            busy: false,
             valid: false,
         };
     }
@@ -66,11 +70,13 @@ export default class TextInputDialog extends React.Component {
     onOk = async ev => {
         ev.preventDefault();
         if (this.props.validator) {
+            this.setState({ busy: true });
             await this._field.current.validate({ allowEmpty: false });
 
             if (!this._field.current.state.valid) {
                 this._field.current.focus();
                 this._field.current.validate({ allowEmpty: false, focused: true });
+                this.setState({ busy: false });
                 return;
             }
         }
@@ -125,7 +131,8 @@ export default class TextInputDialog extends React.Component {
                     </div>
                 </form>
                 <DialogButtons
-                    primaryButton={this.props.button}
+                    primaryButton={this.state.busy ? _t(this.props.busyMessage) : this.props.button}
+                    disabled={this.state.busy}
                     onPrimaryButtonClick={this.onOk}
                     onCancel={this.onCancel}
                     hasCancel={this.props.hasCancel}

src/components/views/dialogs/WidgetOpenIDPermissionsDialog.js

@@ -70,26 +70,26 @@ export default class WidgetOpenIDPermissionsDialog extends React.Component {
         return (
             <BaseDialog className='mx_WidgetOpenIDPermissionsDialog' hasCancel={true}
                         onFinished={this.props.onFinished}
-                        title={_t("A widget would like to verify your identity")}>
+                        title={_t("Allow this widget to verify your identity")}>
                 <div className='mx_WidgetOpenIDPermissionsDialog_content'>
                     <p>
-                        {_t(
-                            "A widget located at %(widgetUrl)s would like to verify your identity. " +
-                            "By allowing this, the widget will be able to verify your user ID, but not " +
-                            "perform actions as you.", {
-                                widgetUrl: this.props.widget.templateUrl.split("?")[0],
-                            },
-                        )}
+                        {_t("The widget will verify your user ID, but won't be able to perform actions for you:")}
+                    </p>
+                    <p className="text-muted">
+                        {/* cheap trim to just get the path */}
+                        {this.props.widget.templateUrl.split("?")[0].split("#")[0]}
                     </p>
-                    <LabelledToggleSwitch value={this.state.rememberSelection} toggleInFront={true}
-                                          onChange={this._onRememberSelectionChange}
-                                          label={_t("Remember my selection for this widget")} />
                 </div>
                 <DialogButtons
-                    primaryButton={_t("Allow")}
+                    primaryButton={_t("Continue")}
                     onPrimaryButtonClick={this._onAllow}
-                    cancelButton={_t("Deny")}
                     onCancel={this._onDeny}
+                    additive={
+                        <LabelledToggleSwitch
+                            value={this.state.rememberSelection}
+                            toggleInFront={true}
+                            onChange={this._onRememberSelectionChange}
+                            label={_t("Remember this")} />}
                 />
             </BaseDialog>
         );

src/components/views/dialogs/security/AccessSecretStorageDialog.js

@@ -199,11 +199,11 @@ export default class AccessSecretStorageDialog extends React.PureComponent {
         } else if (this.state.recoveryKeyCorrect) {
             return _t("Looks good!");
         } else if (this.state.recoveryKeyValid) {
-            return _t("Wrong Recovery Key");
+            return _t("Wrong Security Key");
         } else if (this.state.recoveryKeyValid === null) {
             return '';
         } else {
-            return _t("Invalid Recovery Key");
+            return _t("Invalid Security Key");
         }
     }
 
@@ -231,7 +231,7 @@ export default class AccessSecretStorageDialog extends React.PureComponent {
                 keyStatus = <div className="mx_AccessSecretStorageDialog_keyStatus">
                     {"\uD83D\uDC4E "}{_t(
                         "Unable to access secret storage. " +
-                        "Please verify that you entered the correct recovery passphrase.",
+                        "Please verify that you entered the correct Security Phrase.",
                     )}
                 </div>;
             } else {
@@ -298,7 +298,7 @@ export default class AccessSecretStorageDialog extends React.PureComponent {
                     <div className="mx_AccessSecretStorageDialog_recoveryKeyEntry">
                         <div className="mx_AccessSecretStorageDialog_recoveryKeyEntry_textInput">
                             <Field
-                                type="text"
+                                type="password"
                                 label={_t('Security Key')}
                                 value={this.state.recoveryKey}
                                 onChange={this._onRecoveryKeyChange}

src/components/views/dialogs/security/CreateCrossSigningDialog.js

@@ -34,6 +34,7 @@ import InteractiveAuthDialog from '../InteractiveAuthDialog';
 export default class CreateCrossSigningDialog extends React.PureComponent {
     static propTypes = {
         accountPassword: PropTypes.string,
+        tokenLogin: PropTypes.bool,
     };
 
     constructor(props) {
@@ -96,6 +97,9 @@ export default class CreateCrossSigningDialog extends React.PureComponent {
                 user: MatrixClientPeg.get().getUserId(),
                 password: this.state.accountPassword,
             });
+        } else if (this.props.tokenLogin) {
+            // We are hoping the grace period is active
+            await makeRequest({});
         } else {
             const dialogAesthetics = {
                 [SSOAuthEntry.PHASE_PREAUTH]: {
@@ -144,6 +148,12 @@ export default class CreateCrossSigningDialog extends React.PureComponent {
             });
             this.props.onFinished(true);
         } catch (e) {
+            if (this.props.tokenLogin) {
+                // ignore any failures, we are relying on grace period here
+                this.props.onFinished();
+                return;
+            }
+
             this.setState({ error: e });
             console.error("Error bootstrapping cross-signing", e);
         }

src/components/views/dialogs/security/RestoreKeyBackupDialog.js

@@ -297,19 +297,19 @@ export default class RestoreKeyBackupDialog extends React.PureComponent {
         } else if (this.state.restoreError) {
             if (this.state.restoreError.errcode === MatrixClient.RESTORE_BACKUP_ERROR_BAD_KEY) {
                 if (this.state.restoreType === RESTORE_TYPE_RECOVERYKEY) {
-                    title = _t("Recovery key mismatch");
+                    title = _t("Security Key mismatch");
                     content = <div>
                         <p>{_t(
-                            "Backup could not be decrypted with this recovery key: " +
-                            "please verify that you entered the correct recovery key.",
+                            "Backup could not be decrypted with this Security Key: " +
+                            "please verify that you entered the correct Security Key.",
                         )}</p>
                     </div>;
                 } else {
-                    title = _t("Incorrect recovery passphrase");
+                    title = _t("Incorrect Security Phrase");
                     content = <div>
                         <p>{_t(
-                            "Backup could not be decrypted with this recovery passphrase: " +
-                            "please verify that you entered the correct recovery passphrase.",
+                            "Backup could not be decrypted with this Security Phrase: " +
+                            "please verify that you entered the correct Security Phrase.",
                         )}</p>
                     </div>;
                 }
@@ -342,7 +342,7 @@ export default class RestoreKeyBackupDialog extends React.PureComponent {
         } else if (backupHasPassphrase && !this.state.forceRecoveryKey) {
             const DialogButtons = sdk.getComponent('views.elements.DialogButtons');
             const AccessibleButton = sdk.getComponent('elements.AccessibleButton');
-            title = _t("Enter recovery passphrase");
+            title = _t("Enter Security Phrase");
             content = <div>
                 <p>{_t(
                     "<b>Warning</b>: you should only set up key backup " +
@@ -351,7 +351,7 @@ export default class RestoreKeyBackupDialog extends React.PureComponent {
                 )}</p>
                 <p>{_t(
                     "Access your secure message history and set up secure " +
-                    "messaging by entering your recovery passphrase.",
+                    "messaging by entering your Security Phrase.",
                 )}</p>
 
                 <form className="mx_RestoreKeyBackupDialog_primaryContainer">
@@ -371,8 +371,8 @@ export default class RestoreKeyBackupDialog extends React.PureComponent {
                     />
                 </form>
                 {_t(
-                    "If you've forgotten your recovery passphrase you can "+
-                    "<button1>use your recovery key</button1> or " +
+                    "If you've forgotten your Security Phrase you can "+
+                    "<button1>use your Security Key</button1> or " +
                     "<button2>set up new recovery options</button2>"
                 , {}, {
                     button1: s => <AccessibleButton className="mx_linkButton"
@@ -390,7 +390,7 @@ export default class RestoreKeyBackupDialog extends React.PureComponent {
                 })}
             </div>;
         } else {
-            title = _t("Enter recovery key");
+            title = _t("Enter Security Key");
             const DialogButtons = sdk.getComponent('views.elements.DialogButtons');
             const AccessibleButton = sdk.getComponent('elements.AccessibleButton');
 
@@ -399,11 +399,11 @@ export default class RestoreKeyBackupDialog extends React.PureComponent {
                 keyStatus = <div className="mx_RestoreKeyBackupDialog_keyStatus"></div>;
             } else if (this.state.recoveryKeyValid) {
                 keyStatus = <div className="mx_RestoreKeyBackupDialog_keyStatus">
-                    {"\uD83D\uDC4D "}{_t("This looks like a valid recovery key!")}
+                    {"\uD83D\uDC4D "}{_t("This looks like a valid Security Key!")}
                 </div>;
             } else {
                 keyStatus = <div className="mx_RestoreKeyBackupDialog_keyStatus">
-                    {"\uD83D\uDC4E "}{_t("Not a valid recovery key")}
+                    {"\uD83D\uDC4E "}{_t("Not a valid Security Key")}
                 </div>;
             }
 
@@ -415,7 +415,7 @@ export default class RestoreKeyBackupDialog extends React.PureComponent {
                 )}</p>
                 <p>{_t(
                     "Access your secure message history and set up secure " +
-                    "messaging by entering your recovery key.",
+                    "messaging by entering your Security Key.",
                 )}</p>
 
                 <div className="mx_RestoreKeyBackupDialog_primaryContainer">
@@ -434,7 +434,7 @@ export default class RestoreKeyBackupDialog extends React.PureComponent {
                     />
                 </div>
                 {_t(
-                    "If you've forgotten your recovery key you can "+
+                    "If you've forgotten your Security Key you can "+
                     "<button>set up new recovery options</button>"
                 , {}, {
                     button: s => <AccessibleButton className="mx_linkButton"

src/components/views/elements/AppTile.js

@@ -33,7 +33,6 @@ import SettingsStore from "../../../settings/SettingsStore";
 import {aboveLeftOf, ContextMenuButton} from "../../structures/ContextMenu";
 import PersistedElement, {getPersistKey} from "./PersistedElement";
 import {WidgetType} from "../../../widgets/WidgetType";
-import {SettingLevel} from "../../../settings/SettingLevel";
 import {StopGapWidget} from "../../../stores/widgets/StopGapWidget";
 import {ElementWidgetActions} from "../../../stores/widgets/ElementWidgetActions";
 import {MatrixCapabilities} from "matrix-widget-api";
@@ -240,7 +239,8 @@ export default class AppTile extends React.Component {
         console.info("Granting permission for widget to load: " + this.props.app.eventId);
         const current = SettingsStore.getValue("allowedWidgets", roomId);
         current[this.props.app.eventId] = true;
-        SettingsStore.setValue("allowedWidgets", roomId, SettingLevel.ROOM_ACCOUNT, current).then(() => {
+        const level = SettingsStore.firstSupportedLevel("allowedWidgets");
+        SettingsStore.setValue("allowedWidgets", roomId, level, current).then(() => {
             this.setState({hasPermissionToLoad: true});
 
             // Fetch a token for the integration manager, now that we're allowed to

src/components/views/elements/DesktopCapturerSourcePicker.tsx

@@ -0,0 +1,173 @@
+/*
+Copyright 2021 Šimon Brandner <simon.bra.ag@gmail.com>
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+import React from 'react';
+import { _t } from '../../../languageHandler';
+import BaseDialog from "..//dialogs/BaseDialog"
+import AccessibleButton from './AccessibleButton';
+import {getDesktopCapturerSources} from "matrix-js-sdk/src/webrtc/call";
+
+export interface DesktopCapturerSource {
+    id: string;
+    name: string;
+    thumbnailURL;
+}
+
+export enum Tabs {
+    Screens = "screens",
+    Windows = "windows",
+}
+
+export interface DesktopCapturerSourceIProps {
+    source: DesktopCapturerSource;
+    onSelect(source: DesktopCapturerSource): void;
+}
+
+export class ExistingSource extends React.Component<DesktopCapturerSourceIProps> {
+    constructor(props) {
+        super(props);
+    }
+
+    onClick = (ev) => {
+        this.props.onSelect(this.props.source);
+    }
+
+    render() {
+        return (
+            <AccessibleButton
+                className="mx_desktopCapturerSourcePicker_stream_button"
+                title={this.props.source.name}
+                onClick={this.onClick} >
+                <img
+                    className="mx_desktopCapturerSourcePicker_stream_thumbnail"
+                    src={this.props.source.thumbnailURL}
+                />
+                <span className="mx_desktopCapturerSourcePicker_stream_name">{this.props.source.name}</span>
+            </AccessibleButton>
+        );
+    }
+}
+
+export interface DesktopCapturerSourcePickerIState {
+    selectedTab: Tabs;
+    sources: Array<DesktopCapturerSource>;
+}
+export interface DesktopCapturerSourcePickerIProps {
+    onFinished(source: DesktopCapturerSource): void;
+}
+
+export default class DesktopCapturerSourcePicker extends React.Component<
+    DesktopCapturerSourcePickerIProps,
+    DesktopCapturerSourcePickerIState
+    > {
+    interval;
+
+    constructor(props) {
+        super(props);
+
+        this.state = {
+            selectedTab: Tabs.Screens,
+            sources: [],
+        };
+    }
+
+    async componentDidMount() {
+        // setInterval() first waits and then executes, therefore
+        // we call getDesktopCapturerSources() here without any delay.
+        // Otherwise the dialog would be left empty for some time.
+        this.setState({
+            sources: await getDesktopCapturerSources(),
+        });
+
+        // We update the sources every 500ms to get newer thumbnails
+        this.interval = setInterval(async () => {
+            this.setState({
+                sources: await getDesktopCapturerSources(),
+            });
+        }, 500);
+    }
+
+    componentWillUnmount() {
+        clearInterval(this.interval);
+    }
+
+    onSelect = (source) => {
+        this.props.onFinished(source);
+    }
+
+    onScreensClick = (ev) => {
+        this.setState({selectedTab: Tabs.Screens});
+    }
+
+    onWindowsClick = (ev) => {
+        this.setState({selectedTab: Tabs.Windows});
+    }
+
+    onCloseClick = (ev) => {
+        this.props.onFinished(null);
+    }
+
+    render() {
+        let sources;
+        if (this.state.selectedTab === Tabs.Screens) {
+            sources = this.state.sources
+                .filter((source) => {
+                    return source.id.startsWith("screen");
+                })
+                .map((source) => {
+                    return <ExistingSource source={source} onSelect={this.onSelect} key={source.id} />;
+                });
+        } else {
+            sources = this.state.sources
+                .filter((source) => {
+                    return source.id.startsWith("window");
+                })
+                .map((source) => {
+                    return <ExistingSource source={source} onSelect={this.onSelect} key={source.id} />;
+                });
+        }
+
+        const buttonStyle = "mx_desktopCapturerSourcePicker_tabLabel";
+        const screensButtonStyle = buttonStyle + ((this.state.selectedTab === Tabs.Screens) ? "_selected" : "");
+        const windowsButtonStyle = buttonStyle + ((this.state.selectedTab === Tabs.Windows) ? "_selected" : "");
+
+        return (
+            <BaseDialog
+                className="mx_desktopCapturerSourcePicker"
+                onFinished={this.onCloseClick}
+                title={_t("Share your screen")}
+            >
+                <div className="mx_desktopCapturerSourcePicker_tabLabels">
+                    <AccessibleButton
+                        className={screensButtonStyle}
+                        onClick={this.onScreensClick}
+                    >
+                        {_t("Screens")}
+                    </AccessibleButton>
+                    <AccessibleButton
+                        className={windowsButtonStyle}
+                        onClick={this.onWindowsClick}
+                    >
+                        {_t("Windows")}
+                    </AccessibleButton>
+                </div>
+                <div className="mx_desktopCapturerSourcePicker_panel">
+                    { sources }
+                </div>
+            </BaseDialog>
+        );
+    }
+}

src/components/views/elements/EditableItemList.js

@@ -124,7 +124,7 @@ export default class EditableItemList extends React.Component {
                 <Field label={this.props.placeholder} type="text"
                        autoComplete="off" value={this.props.newItem || ""} onChange={this._onNewItemChanged}
                        list={this.props.suggestionsListId} />
-                <AccessibleButton onClick={this._onItemAdded} kind="primary" type="submit">
+                <AccessibleButton onClick={this._onItemAdded} kind="primary" type="submit" disabled={!this.props.newItem}>
                     {_t("Add")}
                 </AccessibleButton>
             </form>

src/components/views/elements/EventTilePreview.tsx

@@ -22,6 +22,7 @@ import * as Avatar from '../../../Avatar';
 import { MatrixClientPeg } from '../../../MatrixClientPeg';
 import EventTile from '../rooms/EventTile';
 import SettingsStore from "../../../settings/SettingsStore";
+import {Layout} from "../../../settings/Layout";
 import {UIFeature} from "../../../settings/UIFeature";
 
 interface IProps {
@@ -33,7 +34,7 @@ interface IProps {
     /**
      * Whether to use the irc layout or not
      */
-    useIRCLayout: boolean;
+    layout: Layout;
 
     /**
      * classnames to apply to the wrapper of the preview
@@ -121,14 +122,14 @@ export default class EventTilePreview extends React.Component<IProps, IState> {
         const event = this.fakeEvent(this.state);
 
         const className = classnames(this.props.className, {
-            "mx_IRCLayout": this.props.useIRCLayout,
-            "mx_GroupLayout": !this.props.useIRCLayout,
+            "mx_IRCLayout": this.props.layout == Layout.IRC,
+            "mx_GroupLayout": this.props.layout == Layout.Group,
         });
 
         return <div className={className}>
             <EventTile
                 mxEvent={event}
-                useIRCLayout={this.props.useIRCLayout}
+                layout={this.props.layout}
                 enableFlair={SettingsStore.getValue(UIFeature.Flair)}
             />
         </div>;

src/components/views/elements/MiniAvatarUploader.tsx

@@ -15,14 +15,15 @@ limitations under the License.
 */
 
 import React, {useContext, useRef, useState} from 'react';
+import {EventType} from 'matrix-js-sdk/src/@types/event';
 import classNames from 'classnames';
 
 import AccessibleButton from "./AccessibleButton";
-import Tooltip from './Tooltip';
 import MatrixClientContext from "../../../contexts/MatrixClientContext";
 import {useTimeout} from "../../../hooks/useTimeout";
 import Analytics from "../../../Analytics";
 import CountlyAnalytics from '../../../CountlyAnalytics';
+import RoomContext from "../../../contexts/RoomContext";
 
 export const AVATAR_SIZE = 52;
 
@@ -50,6 +51,11 @@ const MiniAvatarUploader: React.FC<IProps> = ({ hasAvatar, hasAvatarLabel, noAva
 
     const label = (hasAvatar || busy) ? hasAvatarLabel : noAvatarLabel;
 
+    const {room} = useContext(RoomContext);
+    const canSetAvatar = room?.currentState.maySendStateEvent(EventType.RoomAvatar, cli.getUserId());
+    if (!canSetAvatar) return <React.Fragment>{ children }</React.Fragment>;
+
+    const visible = !!label && (hover || show);
     return <React.Fragment>
         <input
             type="file"
@@ -82,11 +88,13 @@ const MiniAvatarUploader: React.FC<IProps> = ({ hasAvatar, hasAvatarLabel, noAva
         >
             { children }
 
-            <Tooltip
-                label={label}
-                visible={!!label && (hover || show)}
-                forceOnRight
-            />
+            <div className={classNames("mx_Tooltip", {
+                "mx_Tooltip_visible": visible,
+                "mx_Tooltip_invisible": !visible,
+            })}>
+                <div className="mx_Tooltip_chevron" />
+                { label }
+            </div>
         </AccessibleButton>
     </React.Fragment>;
 };

src/components/views/elements/PersistedElement.js

@@ -23,6 +23,7 @@ import ResizeObserver from 'resize-observer-polyfill';
 import dis from '../../../dispatcher/dispatcher';
 import MatrixClientContext from "../../../contexts/MatrixClientContext";
 import {MatrixClientPeg} from "../../../MatrixClientPeg";
+import {isNullOrUndefined} from "matrix-js-sdk/src/utils";
 
 // Shamelessly ripped off Modal.js.  There's probably a better way
 // of doing reusable widgets like dialog boxes & menus where we go and
@@ -61,6 +62,9 @@ export default class PersistedElement extends React.Component {
         // Any PersistedElements with the same persistKey will use
         // the same DOM container.
         persistKey: PropTypes.string.isRequired,
+
+        // z-index for the element. Defaults to 9.
+        zIndex: PropTypes.number,
     };
 
     constructor() {
@@ -165,6 +169,7 @@ export default class PersistedElement extends React.Component {
 
         const parentRect = parent.getBoundingClientRect();
         Object.assign(child.style, {
+            zIndex: isNullOrUndefined(this.props.zIndex) ? 9 : this.props.zIndex,
             position: 'absolute',
             top: parentRect.top + 'px',
             left: parentRect.left + 'px',

src/components/views/elements/Pill.js

@@ -1,7 +1,7 @@
 /*
 Copyright 2017 Vector Creations Ltd
 Copyright 2018 New Vector Ltd
-Copyright 2019 The Matrix.org Foundation C.I.C.
+Copyright 2019, 2021 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.
@@ -23,23 +23,11 @@ import { Room, RoomMember } from 'matrix-js-sdk';
 import PropTypes from 'prop-types';
 import {MatrixClientPeg} from '../../../MatrixClientPeg';
 import FlairStore from "../../../stores/FlairStore";
-import {getPrimaryPermalinkEntity} from "../../../utils/permalinks/Permalinks";
+import {getPrimaryPermalinkEntity, parseAppLocalLink} from "../../../utils/permalinks/Permalinks";
 import MatrixClientContext from "../../../contexts/MatrixClientContext";
 import {Action} from "../../../dispatcher/actions";
 
-// For URLs of matrix.to links in the timeline which have been reformatted by
-// HttpUtils transformTags to relative links. This excludes event URLs (with `[^\/]*`)
-const REGEX_LOCAL_PERMALINK = /^#\/(?:user|room|group)\/(([#!@+]).*?)(?=\/|\?|$)/;
-
 class Pill extends React.Component {
-    static isPillUrl(url) {
-        return !!getPrimaryPermalinkEntity(url);
-    }
-
-    static isMessagePillUrl(url) {
-        return !!REGEX_LOCAL_PERMALINK.exec(url);
-    }
-
     static roomNotifPos(text) {
         return text.indexOf("@room");
     }
@@ -56,7 +44,7 @@ class Pill extends React.Component {
     static propTypes = {
         // The Type of this Pill. If url is given, this is auto-detected.
         type: PropTypes.string,
-        // The URL to pillify (no validation is done, see isPillUrl and isMessagePillUrl)
+        // The URL to pillify (no validation is done)
         url: PropTypes.string,
         // Whether the pill is in a message
         inMessage: PropTypes.bool,
@@ -90,12 +78,9 @@ class Pill extends React.Component {
 
         if (nextProps.url) {
             if (nextProps.inMessage) {
-                // Default to the empty array if no match for simplicity
-                // resource and prefix will be undefined instead of throwing
-                const matrixToMatch = REGEX_LOCAL_PERMALINK.exec(nextProps.url) || [];
-
-                resourceId = matrixToMatch[1]; // The room/user ID
-                prefix = matrixToMatch[2]; // The first character of prefix
+                const parts = parseAppLocalLink(nextProps.url);
+                resourceId = parts.primaryEntityId; // The room/user ID
+                prefix = parts.sigil; // The first character of prefix
             } else {
                 resourceId = getPrimaryPermalinkEntity(nextProps.url);
                 prefix = resourceId ? resourceId[0] : undefined;

src/components/views/elements/ReplyThread.js

@@ -24,6 +24,7 @@ import {wantsDateSeparator} from '../../../DateUtils';
 import {MatrixEvent} from 'matrix-js-sdk';
 import {makeUserPermalink, RoomPermalinkCreator} from "../../../utils/permalinks/Permalinks";
 import SettingsStore from "../../../settings/SettingsStore";
+import {LayoutPropType} from "../../../settings/Layout";
 import escapeHtml from "escape-html";
 import MatrixClientContext from "../../../contexts/MatrixClientContext";
 import {Action} from "../../../dispatcher/actions";
@@ -42,7 +43,7 @@ export default class ReplyThread extends React.Component {
         onHeightChanged: PropTypes.func.isRequired,
         permalinkCreator: PropTypes.instanceOf(RoomPermalinkCreator).isRequired,
         // Specifies which layout to use.
-        useIRCLayout: PropTypes.bool,
+        layout: LayoutPropType,
     };
 
     static contextType = MatrixClientContext;
@@ -209,7 +210,7 @@ export default class ReplyThread extends React.Component {
         };
     }
 
-    static makeThread(parentEv, onHeightChanged, permalinkCreator, ref, useIRCLayout) {
+    static makeThread(parentEv, onHeightChanged, permalinkCreator, ref, layout) {
         if (!ReplyThread.getParentEventId(parentEv)) {
             return <div className="mx_ReplyThread_wrapper_empty" />;
         }
@@ -218,7 +219,7 @@ export default class ReplyThread extends React.Component {
             onHeightChanged={onHeightChanged}
             ref={ref}
             permalinkCreator={permalinkCreator}
-            useIRCLayout={useIRCLayout}
+            layout={layout}
         />;
     }
 
@@ -386,7 +387,7 @@ export default class ReplyThread extends React.Component {
                     permalinkCreator={this.props.permalinkCreator}
                     isRedacted={ev.isRedacted()}
                     isTwelveHour={SettingsStore.getValue("showTwelveHourTimestamps")}
-                    useIRCLayout={this.props.useIRCLayout}
+                    layout={this.props.layout}
                     enableFlair={SettingsStore.getValue(UIFeature.Flair)}
                     replacingEventId={ev.replacingEventId()}
                 />

src/components/views/elements/SSOButtons.tsx

@@ -15,19 +15,40 @@ limitations under the License.
 */
 
 import React from "react";
+import { chunk } from "lodash";
+import classNames from "classnames";
 import {MatrixClient} from "matrix-js-sdk/src/client";
 
 import PlatformPeg from "../../../PlatformPeg";
 import AccessibleButton from "./AccessibleButton";
 import {_t} from "../../../languageHandler";
-import {IIdentityProvider, ISSOFlow} from "../../../Login";
-import classNames from "classnames";
+import {IdentityProviderBrand, IIdentityProvider, ISSOFlow} from "../../../Login";
+import AccessibleTooltipButton from "./AccessibleTooltipButton";
 
 interface ISSOButtonProps extends Omit<IProps, "flow"> {
     idp: IIdentityProvider;
     mini?: boolean;
 }
 
+const getIcon = (brand: IdentityProviderBrand | string) => {
+    switch (brand) {
+        case IdentityProviderBrand.Apple:
+            return require(`../../../../res/img/element-icons/brands/apple.svg`);
+        case IdentityProviderBrand.Facebook:
+            return require(`../../../../res/img/element-icons/brands/facebook.svg`);
+        case IdentityProviderBrand.Github:
+            return require(`../../../../res/img/element-icons/brands/github.svg`);
+        case IdentityProviderBrand.Gitlab:
+            return require(`../../../../res/img/element-icons/brands/gitlab.svg`);
+        case IdentityProviderBrand.Google:
+            return require(`../../../../res/img/element-icons/brands/google.svg`);
+        case IdentityProviderBrand.Twitter:
+            return require(`../../../../res/img/element-icons/brands/twitter.svg`);
+        default:
+            return null;
+    }
+}
+
 const SSOButton: React.FC<ISSOButtonProps> = ({
     matrixClient,
     loginType,
@@ -37,7 +58,6 @@ const SSOButton: React.FC<ISSOButtonProps> = ({
     mini,
     ...props
 }) => {
-    const kind = primary ? "primary" : "primary_outline";
     const label = idp ? _t("Continue with %(provider)s", { provider: idp.name }) : _t("Sign in with single sign-on");
 
     const onClick = () => {
@@ -45,30 +65,35 @@ const SSOButton: React.FC<ISSOButtonProps> = ({
     };
 
     let icon;
-    if (typeof idp?.icon === "string" && (idp.icon.startsWith("mxc://") || idp.icon.startsWith("https://"))) {
-        icon = <img
-            src={matrixClient.mxcUrlToHttp(idp.icon, 24, 24, "crop", true)}
-            height="24"
-            width="24"
-            alt={label}
-        />;
+    let brandClass;
+    const brandIcon = idp ? getIcon(idp.brand) : null;
+    if (brandIcon) {
+        const brandName = idp.brand.split(".").pop();
+        brandClass = `mx_SSOButton_brand_${brandName}`;
+        icon = <img src={brandIcon} height="24" width="24" alt={brandName} />;
+    } else if (typeof idp?.icon === "string" && idp.icon.startsWith("mxc://")) {
+        const src = matrixClient.mxcUrlToHttp(idp.icon, 24, 24, "crop", true);
+        icon = <img src={src} height="24" width="24" alt={idp.name} />;
     }
 
     const classes = classNames("mx_SSOButton", {
+        [brandClass]: brandClass,
         mx_SSOButton_mini: mini,
+        mx_SSOButton_default: !idp,
+        mx_SSOButton_primary: primary,
     });
 
     if (mini) {
         // TODO fallback icon
         return (
-            <AccessibleButton {...props} className={classes} kind={kind} onClick={onClick}>
+            <AccessibleTooltipButton {...props} title={label} className={classes} onClick={onClick}>
                 { icon }
-            </AccessibleButton>
+            </AccessibleTooltipButton>
         );
     }
 
     return (
-        <AccessibleButton {...props} className={classes} kind={kind} onClick={onClick}>
+        <AccessibleButton {...props} className={classes} onClick={onClick}>
             { icon }
             { label }
         </AccessibleButton>
@@ -83,6 +108,8 @@ interface IProps {
     primary?: boolean;
 }
 
+const MAX_PER_ROW = 6;
+
 const SSOButtons: React.FC<IProps> = ({matrixClient, flow, loginType, fragmentAfterLogin, primary}) => {
     const providers = flow["org.matrix.msc2858.identity_providers"] || [];
     if (providers.length < 2) {
@@ -97,17 +124,24 @@ const SSOButtons: React.FC<IProps> = ({matrixClient, flow, loginType, fragmentAf
         </div>;
     }
 
+    const rows = Math.ceil(providers.length / MAX_PER_ROW);
+    const size = Math.ceil(providers.length / rows);
+
     return <div className="mx_SSOButtons">
-        { providers.map(idp => (
-            <SSOButton
-                key={idp.id}
-                matrixClient={matrixClient}
-                loginType={loginType}
-                fragmentAfterLogin={fragmentAfterLogin}
-                idp={idp}
-                mini={true}
-                primary={primary}
-            />
+        { chunk(providers, size).map(chunk => (
+            <div key={chunk[0].id} className="mx_SSOButtons_row">
+                { chunk.map(idp => (
+                    <SSOButton
+                        key={idp.id}
+                        matrixClient={matrixClient}
+                        loginType={loginType}
+                        fragmentAfterLogin={fragmentAfterLogin}
+                        idp={idp}
+                        mini={true}
+                        primary={primary}
+                    />
+                )) }
+            </div>
         )) }
     </div>;
 };

src/components/views/host_signup/HostSignupContainer.tsx

@@ -0,0 +1,36 @@
+/*
+Copyright 2021 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, { useState } from 'react';
+import HostSignupDialog from "../dialogs/HostSignupDialog";
+import { HostSignupStore } from "../../../stores/HostSignupStore";
+import { useEventEmitter } from "../../../hooks/useEventEmitter";
+import { UPDATE_EVENT } from "../../../stores/AsyncStore";
+
+const HostSignupContainer = () => {
+    const [isActive, setIsActive] = useState(HostSignupStore.instance.isHostSignupActive);
+    useEventEmitter(HostSignupStore.instance, UPDATE_EVENT, () => {
+        setIsActive(HostSignupStore.instance.isHostSignupActive);
+    });
+
+    return <div className="mx_HostSignupContainer">
+        {isActive &&
+            <HostSignupDialog />
+        }
+    </div>;
+};
+
+export default HostSignupContainer

src/components/views/messages/MFileBody.js

@@ -288,7 +288,7 @@ export default class MFileBody extends React.Component {
                             <a ref={this._dummyLink} />
                         </div>
                         <iframe
-                            src={`${url}?origin=${encodeURIComponent(window.location.origin)}`}
+                            src={url}
                             onLoad={onIframeLoad}
                             ref={this._iframe}
                             sandbox="allow-scripts allow-downloads allow-downloads-without-user-activation" />

src/components/views/messages/MImageBody.js

@@ -362,7 +362,7 @@ export default class MImageBody extends React.Component {
         }
 
         // The maximum height of the thumbnail as it is rendered as an <img>
-        const maxHeight = Math.min(this.props.maxImageHeight || 600, infoHeight);
+        const maxHeight = Math.min(this.props.maxImageHeight || 240, infoHeight);
         // The maximum width of the thumbnail, as dictated by its natural
         // maximum height.
         const maxWidth = infoWidth * maxHeight / infoHeight;

src/components/views/messages/MJitsiWidgetEvent.tsx

@@ -19,6 +19,8 @@ import { MatrixEvent } from "matrix-js-sdk/src/models/event";
 import { _t } from "../../../languageHandler";
 import WidgetStore from "../../../stores/WidgetStore";
 import EventTileBubble from "./EventTileBubble";
+import { MatrixClientPeg } from "../../../MatrixClientPeg";
+import { Container, WidgetLayoutStore } from "../../../stores/widgets/WidgetLayoutStore";
 
 interface IProps {
     mxEvent: MatrixEvent;
@@ -33,10 +35,15 @@ export default class MJitsiWidgetEvent extends React.PureComponent<IProps> {
         const url = this.props.mxEvent.getContent()['url'];
         const prevUrl = this.props.mxEvent.getPrevContent()['url'];
         const senderName = this.props.mxEvent.sender?.name || this.props.mxEvent.getSender();
+        const room = MatrixClientPeg.get().getRoom(this.props.mxEvent.getRoomId());
+        const widgetId = this.props.mxEvent.getStateKey();
+        const widget = WidgetStore.instance.getRoom(room.roomId, true).widgets.find(w => w.id === widgetId);
 
         let joinCopy = _t('Join the conference at the top of this room');
-        if (!WidgetStore.instance.isPinned(this.props.mxEvent.getRoomId(), this.props.mxEvent.getStateKey())) {
+        if (widget && WidgetLayoutStore.instance.isInContainer(room, widget, Container.Right)) {
             joinCopy = _t('Join the conference from the room information card on the right');
+        } else if (!widget) {
+            joinCopy = null;
         }
 
         if (!url) {

src/components/views/messages/TextualBody.js

@@ -81,6 +81,7 @@ export default class TextualBody extends React.Component {
     }
 
     _applyFormatting() {
+        const showLineNumbers = SettingsStore.getValue("showCodeLineNumbers");
         this.activateSpoilers([this._content.current]);
 
         // pillifyLinks BEFORE linkifyElement because plain room/user URLs in the composer
@@ -91,29 +92,140 @@ export default class TextualBody extends React.Component {
         this.calculateUrlPreview();
 
         if (this.props.mxEvent.getContent().format === "org.matrix.custom.html") {
-            const blocks = ReactDOM.findDOMNode(this).getElementsByTagName("code");
-            if (blocks.length > 0) {
+            // Handle expansion and add buttons
+            const pres = ReactDOM.findDOMNode(this).getElementsByTagName("pre");
+            if (pres.length > 0) {
+                for (let i = 0; i < pres.length; i++) {
+                    // If there already is a div wrapping the codeblock we want to skip this.
+                    // This happens after the codeblock was edited.
+                    if (pres[i].parentNode.className == "mx_EventTile_pre_container") continue;
+                    // Wrap a div around <pre> so that the copy button can be correctly positioned
+                    // when the <pre> overflows and is scrolled horizontally.
+                    const div = this._wrapInDiv(pres[i]);
+                    this._handleCodeBlockExpansion(pres[i]);
+                    this._addCodeExpansionButton(div, pres[i]);
+                    this._addCodeCopyButton(div);
+                    if (showLineNumbers) {
+                        this._addLineNumbers(pres[i]);
+                    }
+                }
+            }
+            // Highlight code
+            const codes = ReactDOM.findDOMNode(this).getElementsByTagName("code");
+            if (codes.length > 0) {
                 // Do this asynchronously: parsing code takes time and we don't
                 // need to block the DOM update on it.
                 setTimeout(() => {
                     if (this._unmounted) return;
-                    for (let i = 0; i < blocks.length; i++) {
-                        if (SettingsStore.getValue("enableSyntaxHighlightLanguageDetection")) {
-                            highlight.highlightBlock(blocks[i]);
-                        } else {
-                            // Only syntax highlight if there's a class starting with language-
-                            const classes = blocks[i].className.split(/\s+/).filter(function(cl) {
-                                return cl.startsWith('language-') && !cl.startsWith('language-_');
-                            });
-
-                            if (classes.length != 0) {
-                                highlight.highlightBlock(blocks[i]);
-                            }
-                        }
+                    for (let i = 0; i < codes.length; i++) {
+                        // If the code already has the hljs class we want to skip this.
+                        // This happens after the codeblock was edited.
+                        if (codes[i].className.includes("hljs")) continue;
+                        this._highlightCode(codes[i]);
                     }
                 }, 10);
             }
-            this._addCodeCopyButton();
+        }
+    }
+
+    _addCodeExpansionButton(div, pre) {
+        // Calculate how many percent does the pre element take up.
+        // If it's less than 30% we don't add the expansion button.
+        const percentageOfViewport = pre.offsetHeight / window.innerHeight * 100;
+        if (percentageOfViewport < 30) return;
+
+        const button = document.createElement("span");
+        button.className = "mx_EventTile_button ";
+        if (pre.className == "mx_EventTile_collapsedCodeBlock") {
+            button.className += "mx_EventTile_expandButton";
+        } else {
+            button.className += "mx_EventTile_collapseButton";
+        }
+
+        button.onclick = async () => {
+            button.className = "mx_EventTile_button ";
+            if (pre.className == "mx_EventTile_collapsedCodeBlock") {
+                pre.className = "";
+                button.className += "mx_EventTile_collapseButton";
+            } else {
+                pre.className = "mx_EventTile_collapsedCodeBlock";
+                button.className += "mx_EventTile_expandButton";
+            }
+
+            // By expanding/collapsing we changed
+            // the height, therefore we call this
+            this.props.onHeightChanged();
+        };
+
+        div.appendChild(button);
+    }
+
+    _addCodeCopyButton(div) {
+        const button = document.createElement("span");
+        button.className = "mx_EventTile_button mx_EventTile_copyButton ";
+
+        // Check if expansion button exists. If so
+        // we put the copy button to the bottom
+        const expansionButtonExists = div.getElementsByClassName("mx_EventTile_button");
+        if (expansionButtonExists.length > 0) button.className += "mx_EventTile_buttonBottom";
+
+        button.onclick = async () => {
+            const copyCode = button.parentNode.getElementsByTagName("code")[0];
+            const successful = await copyPlaintext(copyCode.textContent);
+
+            const buttonRect = button.getBoundingClientRect();
+            const GenericTextContextMenu = sdk.getComponent('context_menus.GenericTextContextMenu');
+            const {close} = ContextMenu.createMenu(GenericTextContextMenu, {
+                ...toRightOf(buttonRect, 2),
+                message: successful ? _t('Copied!') : _t('Failed to copy'),
+            });
+            button.onmouseleave = close;
+        };
+
+        div.appendChild(button);
+    }
+
+    _wrapInDiv(pre) {
+        const div = document.createElement("div");
+        div.className = "mx_EventTile_pre_container";
+
+        // Insert containing div in place of <pre> block
+        pre.parentNode.replaceChild(div, pre);
+        // Append <pre> block and copy button to container
+        div.appendChild(pre);
+
+        return div;
+    }
+
+    _handleCodeBlockExpansion(pre) {
+        if (!SettingsStore.getValue("expandCodeByDefault")) {
+            pre.className = "mx_EventTile_collapsedCodeBlock";
+        }
+    }
+
+    _addLineNumbers(pre) {
+        pre.innerHTML = '<span class="mx_EventTile_lineNumbers"></span>' + pre.innerHTML + '<span></span>';
+        const lineNumbers = pre.getElementsByClassName("mx_EventTile_lineNumbers")[0];
+        // Calculate number of lines in pre
+        const number = pre.innerHTML.split(/\n/).length;
+        // Iterate through lines starting with 1 (number of the first line is 1)
+        for (let i = 1; i < number; i++) {
+            lineNumbers.innerHTML += '<span class="mx_EventTile_lineNumber">' + i + '</span>';
+        }
+    }
+
+    _highlightCode(code) {
+        if (SettingsStore.getValue("enableSyntaxHighlightLanguageDetection")) {
+            highlight.highlightBlock(code);
+        } else {
+            // Only syntax highlight if there's a class starting with language-
+            const classes = code.className.split(/\s+/).filter(function(cl) {
+                return cl.startsWith('language-') && !cl.startsWith('language-_');
+            });
+
+            if (classes.length != 0) {
+                highlight.highlightBlock(code);
+            }
         }
     }
 
@@ -254,38 +366,6 @@ export default class TextualBody extends React.Component {
         }
     }
 
-    _addCodeCopyButton() {
-        // Add 'copy' buttons to pre blocks
-        Array.from(ReactDOM.findDOMNode(this).querySelectorAll('.mx_EventTile_body pre')).forEach((p) => {
-            const button = document.createElement("span");
-            button.className = "mx_EventTile_copyButton";
-            button.onclick = async () => {
-                const copyCode = button.parentNode.getElementsByTagName("pre")[0];
-                const successful = await copyPlaintext(copyCode.textContent);
-
-                const buttonRect = button.getBoundingClientRect();
-                const GenericTextContextMenu = sdk.getComponent('context_menus.GenericTextContextMenu');
-                const {close} = ContextMenu.createMenu(GenericTextContextMenu, {
-                    ...toRightOf(buttonRect, 2),
-                    message: successful ? _t('Copied!') : _t('Failed to copy'),
-                });
-                button.onmouseleave = close;
-            };
-
-            // Wrap a div around <pre> so that the copy button can be correctly positioned
-            // when the <pre> overflows and is scrolled horizontally.
-            const div = document.createElement("div");
-            div.className = "mx_EventTile_pre_container";
-
-            // Insert containing div in place of <pre> block
-            p.parentNode.replaceChild(div, p);
-
-            // Append <pre> block and copy button to container
-            div.appendChild(p);
-            div.appendChild(button);
-        });
-    }
-
     onCancelClick = event => {
         this.setState({ widgetHidden: true });
         // FIXME: persist this somewhere smarter than local storage
@@ -410,7 +490,10 @@ export default class TextualBody extends React.Component {
             ref: this._content,
         });
         if (this.props.replacingEventId) {
-            body = [body, this._renderEditedMarker()];
+            body = <>
+                {body}
+                {this._renderEditedMarker()}
+            </>;
         }
 
         if (this.props.highlightLink) {

src/components/views/right_panel/BaseCard.tsx

@@ -33,6 +33,7 @@ interface IProps {
     previousPhase?: RightPanelPhases;
     closeLabel?: string;
     onClose?(): void;
+    refireParams?;
 }
 
 interface IGroupProps {
@@ -56,6 +57,7 @@ const BaseCard: React.FC<IProps> = ({
     withoutScrollContainer,
     previousPhase,
     children,
+    refireParams,
 }) => {
     let backButton;
     if (previousPhase) {
@@ -63,6 +65,7 @@ const BaseCard: React.FC<IProps> = ({
             defaultDispatcher.dispatch<SetRightPanelPhasePayload>({
                 action: Action.SetRightPanelPhase,
                 phase: previousPhase,
+                refireParams: refireParams,
             });
         };
         backButton = <AccessibleButton className="mx_BaseCard_back" onClick={onBackClick} title={_t("Back")} />;

src/components/views/right_panel/RoomSummaryCard.tsx

@@ -37,13 +37,14 @@ import SettingsStore from "../../../settings/SettingsStore";
 import TextWithTooltip from "../elements/TextWithTooltip";
 import WidgetAvatar from "../avatars/WidgetAvatar";
 import AccessibleTooltipButton from "../elements/AccessibleTooltipButton";
-import WidgetStore, {IApp, MAX_PINNED} from "../../../stores/WidgetStore";
+import WidgetStore, {IApp} from "../../../stores/WidgetStore";
 import { E2EStatus } from "../../../utils/ShieldUtils";
 import RoomContext from "../../../contexts/RoomContext";
 import {UIFeature} from "../../../settings/UIFeature";
 import {ChevronFace, ContextMenuTooltipButton, useContextMenu} from "../../structures/ContextMenu";
 import WidgetContextMenu from "../context_menus/WidgetContextMenu";
 import {useRoomMemberCount} from "../../../hooks/useRoomMembers";
+import { Container, MAX_PINNED, WidgetLayoutStore } from "../../../stores/widgets/WidgetLayoutStore";
 
 interface IProps {
     room: Room;
@@ -76,8 +77,9 @@ export const useWidgets = (room: Room) => {
         setApps([...WidgetStore.instance.getApps(room.roomId)]);
     }, [room]);
 
-    useEffect(updateApps, [room]);
+    useEffect(updateApps, [room, updateApps]);
     useEventEmitter(WidgetStore.instance, room.roomId, updateApps);
+    useEventEmitter(WidgetLayoutStore.instance, WidgetLayoutStore.emissionForRoom(room), updateApps);
 
     return apps;
 };
@@ -102,10 +104,10 @@ const AppRow: React.FC<IAppRowProps> = ({ app, room }) => {
         });
     };
 
-    const isPinned = WidgetStore.instance.isPinned(room.roomId, app.id);
+    const isPinned = WidgetLayoutStore.instance.isInContainer(room, app, Container.Top);
     const togglePin = isPinned
-        ? () => { WidgetStore.instance.unpinWidget(room.roomId, app.id); }
-        : () => { WidgetStore.instance.pinWidget(room.roomId, app.id); };
+        ? () => { WidgetLayoutStore.instance.moveToContainer(room, app, Container.Right); }
+        : () => { WidgetLayoutStore.instance.moveToContainer(room, app, Container.Top); };
 
     const [menuDisplayed, handle, openMenu, closeMenu] = useContextMenu<HTMLDivElement>();
     let contextMenu;
@@ -120,7 +122,7 @@ const AppRow: React.FC<IAppRowProps> = ({ app, room }) => {
         />;
     }
 
-    const cannotPin = !isPinned && !WidgetStore.instance.canPin(room.roomId, app.id);
+    const cannotPin = !isPinned && !WidgetLayoutStore.instance.canAddToContainer(room, Container.Top);
 
     let pinTitle: string;
     if (cannotPin) {
@@ -184,9 +186,18 @@ const AppsSection: React.FC<IAppsSectionProps> = ({ room }) => {
         }
     };
 
+    let copyLayoutBtn = null;
+    if (apps.length > 0 && WidgetLayoutStore.instance.canCopyLayoutToRoom(room)) {
+        copyLayoutBtn = (
+            <AccessibleButton kind="link" onClick={() => WidgetLayoutStore.instance.copyLayoutToRoom(room)}>
+                { _t("Set my room layout for everyone") }
+            </AccessibleButton>
+        );
+    }
+
     return <Group className="mx_RoomSummaryCard_appsGroup" title={_t("Widgets")}>
         { apps.map(app => <AppRow key={app.id} app={app} room={room} />) }
-
+        { copyLayoutBtn }
         <AccessibleButton kind="link" onClick={onManageIntegrations}>
             { apps.length > 0 ? _t("Edit widgets, bridges & bots") : _t("Add widgets, bridges & bots") }
         </AccessibleButton>

src/components/views/right_panel/UserInfo.tsx

@@ -60,6 +60,7 @@ import QuestionDialog from "../dialogs/QuestionDialog";
 import ConfirmUserActionDialog from "../dialogs/ConfirmUserActionDialog";
 import InfoDialog from "../dialogs/InfoDialog";
 import { EventType } from "matrix-js-sdk/src/@types/event";
+import {SetRightPanelPhasePayload} from "../../../dispatcher/payloads/SetRightPanelPhasePayload";
 
 interface IDevice {
     deviceId: string;
@@ -1534,6 +1535,24 @@ const UserInfo: React.FC<Props> = ({
 
     const classes = ["mx_UserInfo"];
 
+    let refireParams;
+    let previousPhase: RightPanelPhases;
+    // 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};
+    } else if (room) {
+        previousPhase = RightPanelPhases.RoomMemberList;
+    }
+
+    const onEncryptionPanelClose = () => {
+        dis.dispatch<SetRightPanelPhasePayload>({
+            action: Action.SetRightPanelPhase,
+            phase: previousPhase,
+            refireParams: refireParams,
+        });
+    }
+
     let content;
     switch (phase) {
         case RightPanelPhases.RoomMemberInfo:
@@ -1553,19 +1572,13 @@ const UserInfo: React.FC<Props> = ({
                 <EncryptionPanel
                     {...props as React.ComponentProps<typeof EncryptionPanel>}
                     member={member}
-                    onClose={onClose}
+                    onClose={onEncryptionPanelClose}
                     isRoomEncrypted={isRoomEncrypted}
                 />
             );
             break;
     }
 
-    let previousPhase: RightPanelPhases;
-    // We have no previousPhase for when viewing a UserInfo from a Group or without a Room at this time
-    if (room) {
-        previousPhase = RightPanelPhases.RoomMemberList;
-    }
-
     let closeLabel = undefined;
     if (phase === RightPanelPhases.EncryptionPanel) {
         const verificationRequest = (props as React.ComponentProps<typeof EncryptionPanel>).verificationRequest;
@@ -1581,6 +1594,7 @@ const UserInfo: React.FC<Props> = ({
         onClose={onClose}
         closeLabel={closeLabel}
         previousPhase={previousPhase}
+        refireParams={refireParams}
     >
         { content }
     </BaseCard>;

src/components/views/right_panel/WidgetCard.tsx

@@ -14,22 +14,22 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import React, {useContext, useEffect} from "react";
-import {Room} from "matrix-js-sdk/src/models/room";
+import React, { useContext, useEffect } from "react";
+import { Room } from "matrix-js-sdk/src/models/room";
 
 import MatrixClientContext from "../../../contexts/MatrixClientContext";
 import BaseCard from "./BaseCard";
 import WidgetUtils from "../../../utils/WidgetUtils";
 import AppTile from "../elements/AppTile";
-import {_t} from "../../../languageHandler";
-import {useWidgets} from "./RoomSummaryCard";
-import {RightPanelPhases} from "../../../stores/RightPanelStorePhases";
+import { _t } from "../../../languageHandler";
+import { useWidgets } from "./RoomSummaryCard";
+import { RightPanelPhases } from "../../../stores/RightPanelStorePhases";
 import defaultDispatcher from "../../../dispatcher/dispatcher";
-import {SetRightPanelPhasePayload} from "../../../dispatcher/payloads/SetRightPanelPhasePayload";
-import {Action} from "../../../dispatcher/actions";
-import WidgetStore from "../../../stores/WidgetStore";
-import {ChevronFace, ContextMenuButton, useContextMenu} from "../../structures/ContextMenu";
+import { SetRightPanelPhasePayload } from "../../../dispatcher/payloads/SetRightPanelPhasePayload";
+import { Action } from "../../../dispatcher/actions";
+import { ChevronFace, ContextMenuButton, useContextMenu } from "../../structures/ContextMenu";
 import WidgetContextMenu from "../context_menus/WidgetContextMenu";
+import { Container, WidgetLayoutStore } from "../../../stores/widgets/WidgetLayoutStore";
 
 interface IProps {
     room: Room;
@@ -42,7 +42,7 @@ const WidgetCard: React.FC<IProps> = ({ room, widgetId, onClose }) => {
 
     const apps = useWidgets(room);
     const app = apps.find(a => a.id === widgetId);
-    const isPinned = app && WidgetStore.instance.isPinned(room.roomId, app.id);
+    const isPinned = app && WidgetLayoutStore.instance.isInContainer(room, app, Container.Top);
 
     const [menuDisplayed, handle, openMenu, closeMenu] = useContextMenu();
 

src/components/views/room_settings/RoomProfileSettings.js

@@ -69,19 +69,24 @@ export default class RoomProfileSettings extends React.Component {
         // clear file upload field so same file can be selected
         this._avatarUpload.current.value = "";
         this.setState({
-            avatarUrl: undefined,
-            avatarFile: undefined,
+            avatarUrl: null,
+            avatarFile: null,
             enableProfileSave: true,
         });
     };
 
-    _clearProfile = async (e) => {
+    _cancelProfileChanges = async (e) => {
         e.stopPropagation();
         e.preventDefault();
 
         if (!this.state.enableProfileSave) return;
-        this._removeAvatar();
-        this.setState({enableProfileSave: false, displayName: this.state.originalDisplayName});
+        this.setState({
+            enableProfileSave: false,
+            displayName: this.state.originalDisplayName,
+            topic: this.state.originalTopic,
+            avatarUrl: this.state.originalAvatarUrl,
+            avatarFile: null,
+        });
     };
 
     _saveProfile = async (e) => {
@@ -108,7 +113,7 @@ export default class RoomProfileSettings extends React.Component {
             newState.originalAvatarUrl = newState.avatarUrl;
             newState.avatarFile = null;
         } else if (this.state.originalAvatarUrl !== this.state.avatarUrl) {
-            await client.sendStateEvent(this.props.roomId, 'm.room.avatar', {url: undefined}, '');
+            await client.sendStateEvent(this.props.roomId, 'm.room.avatar', {}, '');
         }
 
         if (this.state.originalTopic !== this.state.topic) {
@@ -120,17 +125,21 @@ export default class RoomProfileSettings extends React.Component {
     };
 
     _onDisplayNameChanged = (e) => {
-        this.setState({
-            displayName: e.target.value,
-            enableProfileSave: true,
-        });
+        this.setState({displayName: e.target.value});
+        if (this.state.originalDisplayName === e.target.value) {
+            this.setState({enableProfileSave: false});
+        } else {
+            this.setState({enableProfileSave: true});
+        }
     };
 
     _onTopicChanged = (e) => {
-        this.setState({
-            topic: e.target.value,
-            enableProfileSave: true,
-        });
+        this.setState({topic: e.target.value});
+        if (this.state.originalTopic === e.target.value) {
+            this.setState({enableProfileSave: false});
+        } else {
+            this.setState({enableProfileSave: true});
+        }
     };
 
     _onAvatarChanged = (e) => {
@@ -158,6 +167,33 @@ export default class RoomProfileSettings extends React.Component {
     render() {
         const AccessibleButton = sdk.getComponent('elements.AccessibleButton');
         const AvatarSetting = sdk.getComponent('settings.AvatarSetting');
+
+        let profileSettingsButtons;
+        if (
+            this.state.canSetName ||
+            this.state.canSetTopic ||
+            this.state.canSetAvatar
+        ) {
+            profileSettingsButtons = (
+                <div className="mx_ProfileSettings_buttons">
+                    <AccessibleButton
+                        onClick={this._cancelProfileChanges}
+                        kind="link"
+                        disabled={!this.state.enableProfileSave}
+                    >
+                        {_t("Cancel")}
+                    </AccessibleButton>
+                    <AccessibleButton
+                        onClick={this._saveProfile}
+                        kind="primary"
+                        disabled={!this.state.enableProfileSave}
+                    >
+                        {_t("Save")}
+                    </AccessibleButton>
+                </div>
+            );
+        }
+
         return (
             <form
                 onSubmit={this._saveProfile}
@@ -172,7 +208,7 @@ export default class RoomProfileSettings extends React.Component {
                         <Field label={_t("Room Name")}
                                type="text" value={this.state.displayName} autoComplete="off"
                                onChange={this._onDisplayNameChanged} disabled={!this.state.canSetName} />
-                        <Field id="profileTopic" label={_t("Room Topic")} disabled={!this.state.canSetTopic}
+                        <Field className="mx_ProfileSettings_controls_topic" id="profileTopic" label={_t("Room Topic")} disabled={!this.state.canSetTopic}
                                type="text" value={this.state.topic} autoComplete="off"
                                onChange={this._onTopicChanged} element="textarea" />
                     </div>
@@ -183,22 +219,7 @@ export default class RoomProfileSettings extends React.Component {
                         uploadAvatar={this.state.canSetAvatar ? this._uploadAvatar : undefined}
                         removeAvatar={this.state.canSetAvatar ? this._removeAvatar : undefined} />
                 </div>
-                <div className="mx_ProfileSettings_buttons">
-                    <AccessibleButton
-                        onClick={this._clearProfile}
-                        kind="link"
-                        disabled={!this.state.enableProfileSave}
-                    >
-                        {_t("Cancel")}
-                    </AccessibleButton>
-                    <AccessibleButton
-                        onClick={this._saveProfile}
-                        kind="primary"
-                        disabled={!this.state.enableProfileSave}
-                    >
-                        {_t("Save")}
-                    </AccessibleButton>
-                </div>
+                { profileSettingsButtons }
             </form>
         );
     }

src/components/views/rooms/AppsDrawer.js

@@ -28,12 +28,13 @@ import WidgetUtils from '../../../utils/WidgetUtils';
 import WidgetEchoStore from "../../../stores/WidgetEchoStore";
 import {IntegrationManagers} from "../../../integrations/IntegrationManagers";
 import SettingsStore from "../../../settings/SettingsStore";
-import {useLocalStorageState} from "../../../hooks/useLocalStorageState";
 import ResizeNotifier from "../../../utils/ResizeNotifier";
-import WidgetStore from "../../../stores/WidgetStore";
 import ResizeHandle from "../elements/ResizeHandle";
 import Resizer from "../../../resizer/resizer";
 import PercentageDistributor from "../../../resizer/distributors/percentage";
+import {Container, WidgetLayoutStore} from "../../../stores/widgets/WidgetLayoutStore";
+import {clamp, percentageOf, percentageWithin} from "../../../utils/numbers";
+import {useStateCallback} from "../../../hooks/useStateCallback";
 
 export default class AppsDrawer extends React.Component {
     static propTypes = {
@@ -62,13 +63,13 @@ export default class AppsDrawer extends React.Component {
 
     componentDidMount() {
         ScalarMessaging.startListening();
-        WidgetStore.instance.on(this.props.room.roomId, this._updateApps);
+        WidgetLayoutStore.instance.on(WidgetLayoutStore.emissionForRoom(this.props.room), this._updateApps);
         this.dispatcherRef = dis.register(this.onAction);
     }
 
     componentWillUnmount() {
         ScalarMessaging.stopListening();
-        WidgetStore.instance.off(this.props.room.roomId, this._updateApps);
+        WidgetLayoutStore.instance.off(WidgetLayoutStore.emissionForRoom(this.props.room), this._updateApps);
         if (this.dispatcherRef) dis.unregister(this.dispatcherRef);
         if (this._resizeContainer) {
             this.resizer.detach();
@@ -102,11 +103,10 @@ export default class AppsDrawer extends React.Component {
             },
             onResizeStop: () => {
                 this._resizeContainer.classList.remove("mx_AppsDrawer_resizing");
-                // persist to localStorage
-                localStorage.setItem(this._getStorageKey(), JSON.stringify([
-                    this.state.apps.map(app => app.id),
-                    ...this.state.apps.slice(1).map((_, i) => this.resizer.forHandleAt(i).size),
-                ]));
+                WidgetLayoutStore.instance.setResizerDistributions(
+                    this.props.room, Container.Top,
+                    this.state.apps.slice(1).map((_, i) => this.resizer.forHandleAt(i).size),
+                );
             },
         };
         // pass a truthy container for now, we won't call attach until we update it
@@ -128,8 +128,6 @@ export default class AppsDrawer extends React.Component {
         this._loadResizerPreferences();
     };
 
-    _getStorageKey = () => `mx_apps_drawer-${this.props.room.roomId}`;
-
     _getAppsHash = (apps) => apps.map(app => app.id).join("~");
 
     componentDidUpdate(prevProps, prevState) {
@@ -147,24 +145,16 @@ export default class AppsDrawer extends React.Component {
     };
 
     _loadResizerPreferences = () => {
-        try {
-            const [[...lastIds], ...sizes] = JSON.parse(localStorage.getItem(this._getStorageKey()));
-            // Every app was included in the last split, reuse the last sizes
-            if (this.state.apps.length <= lastIds.length && this.state.apps.every((app, i) => lastIds[i] === app.id)) {
-                sizes.forEach((size, i) => {
-                    const distributor = this.resizer.forHandleAt(i);
-                    if (distributor) {
-                        distributor.size = size;
-                        distributor.finish();
-                    }
-                });
-                return;
-            }
-        } catch (e) {
-            // this is expected
-        }
-
-        if (this.state.apps) {
+        const distributions = WidgetLayoutStore.instance.getResizerDistributions(this.props.room, Container.Top);
+        if (this.state.apps && (this.state.apps.length - 1) === distributions.length) {
+            distributions.forEach((size, i) => {
+                const distributor = this.resizer.forHandleAt(i);
+                if (distributor) {
+                    distributor.size = size;
+                    distributor.finish();
+                }
+            });
+        } else if (this.state.apps) {
             const distributors = this.resizer.getDistributors();
             distributors.forEach(d => d.item.clearSize());
             distributors.forEach(d => d.start());
@@ -190,7 +180,7 @@ export default class AppsDrawer extends React.Component {
         }
     };
 
-    _getApps = () => WidgetStore.instance.getPinnedApps(this.props.room.roomId);
+    _getApps = () => WidgetLayoutStore.instance.getContainerWidgets(this.props.room, Container.Top);
 
     _updateApps = () => {
         this.setState({
@@ -248,10 +238,11 @@ export default class AppsDrawer extends React.Component {
         return (
             <div className={classes}>
                 <PersistentVResizer
-                    id={"apps-drawer_" + this.props.room.roomId}
+                    room={this.props.room}
                     minHeight={100}
                     maxHeight={this.props.maxHeight ? this.props.maxHeight - 50 : undefined}
                     handleClass="mx_AppsContainer_resizerHandle"
+                    handleWrapperClass="mx_AppsContainer_resizerHandleContainer"
                     className="mx_AppsContainer_resizer"
                     resizeNotifier={this.props.resizeNotifier}
                 >
@@ -272,7 +263,7 @@ export default class AppsDrawer extends React.Component {
 }
 
 const PersistentVResizer = ({
-    id,
+    room,
     minHeight,
     maxHeight,
     className,
@@ -281,7 +272,24 @@ const PersistentVResizer = ({
     resizeNotifier,
     children,
 }) => {
-    const [height, setHeight] = useLocalStorageState("pvr_" + id, 280); // old fixed height was 273px
+    let defaultHeight = WidgetLayoutStore.instance.getContainerHeight(room, Container.Top);
+
+    // Arbitrary defaults to avoid NaN problems. 100 px or 3/4 of the visible window.
+    if (!minHeight) minHeight = 100;
+    if (!maxHeight) maxHeight = (window.innerHeight / 4) * 3;
+
+    // Convert from percentage to height. Note that the default height is 280px.
+    if (defaultHeight) {
+        defaultHeight = clamp(defaultHeight, 0, 100);
+        defaultHeight = percentageWithin(defaultHeight / 100, minHeight, maxHeight);
+    } else {
+        defaultHeight = 280;
+    }
+
+    const [height, setHeight] = useStateCallback(defaultHeight, newHeight => {
+        newHeight = percentageOf(newHeight, minHeight, maxHeight) * 100;
+        WidgetLayoutStore.instance.setContainerHeight(room, Container.Top, newHeight);
+    });
 
     return <Resizable
         size={{height: Math.min(height, maxHeight)}}

src/components/views/rooms/BasicMessageComposer.tsx

@@ -519,7 +519,7 @@ export default class BasicMessageEditor extends React.Component<IProps, IState>
 
     private async tabCompleteName(event: React.KeyboardEvent) {
         try {
-            await new Promise(resolve => this.setState({showVisualBell: false}, resolve));
+            await new Promise<void>(resolve => this.setState({showVisualBell: false}, resolve));
             const {model} = this.props;
             const caret = this.getCaret();
             const position = model.positionForOffset(caret.offset, caret.atNodeEnd);

src/components/views/rooms/EventTile.js

@@ -27,6 +27,7 @@ import * as TextForEvent from "../../../TextForEvent";
 import * as sdk from "../../../index";
 import dis from '../../../dispatcher/dispatcher';
 import SettingsStore from "../../../settings/SettingsStore";
+import {Layout, LayoutPropType} from "../../../settings/Layout";
 import {EventStatus} from 'matrix-js-sdk';
 import {formatTime} from "../../../DateUtils";
 import {MatrixClientPeg} from '../../../MatrixClientPeg';
@@ -37,6 +38,7 @@ import {E2E_STATE} from "./E2EIcon";
 import {toRem} from "../../../utils/units";
 import {WidgetType} from "../../../widgets/WidgetType";
 import RoomAvatar from "../avatars/RoomAvatar";
+import {WIDGET_LAYOUT_EVENT_TYPE} from "../../../stores/widgets/WidgetLayoutStore";
 
 const eventTileTypes = {
     'm.room.message': 'messages.MessageEvent',
@@ -65,6 +67,7 @@ const stateEventTileTypes = {
     'm.room.server_acl': 'messages.TextualEvent',
     // TODO: Enable support for m.widget event type (https://github.com/vector-im/element-web/issues/13111)
     'im.vector.modular.widgets': 'messages.TextualEvent',
+    [WIDGET_LAYOUT_EVENT_TYPE]: 'messages.TextualEvent',
     'm.room.tombstone': 'messages.TextualEvent',
     'm.room.join_rules': 'messages.TextualEvent',
     'm.room.guest_access': 'messages.TextualEvent',
@@ -225,8 +228,8 @@ export default class EventTile extends React.Component {
         // whether to show reactions for this event
         showReactions: PropTypes.bool,
 
-        // whether to use the irc layout
-        useIRCLayout: PropTypes.bool,
+        // which layout to use
+        layout: LayoutPropType,
 
         // whether or not to show flair at all
         enableFlair: PropTypes.bool,
@@ -732,7 +735,7 @@ export default class EventTile extends React.Component {
             // joins/parts/etc
             avatarSize = 14;
             needsSenderProfile = false;
-        } else if (this.props.useIRCLayout) {
+        } else if (this.props.layout == Layout.IRC) {
             avatarSize = 14;
             needsSenderProfile = true;
         } else if (this.props.continuation && this.props.tileShape !== "file_grid") {
@@ -843,10 +846,11 @@ export default class EventTile extends React.Component {
                 { timestamp }
             </a>;
 
-        const groupTimestamp = !this.props.useIRCLayout ? linkedTimestamp : null;
-        const ircTimestamp = this.props.useIRCLayout ? linkedTimestamp : null;
-        const groupPadlock = !this.props.useIRCLayout && !isBubbleMessage && this._renderE2EPadlock();
-        const ircPadlock = this.props.useIRCLayout && !isBubbleMessage && this._renderE2EPadlock();
+        const useIRCLayout = this.props.layout == Layout.IRC;
+        const groupTimestamp = !useIRCLayout ? linkedTimestamp : null;
+        const ircTimestamp = useIRCLayout ? linkedTimestamp : null;
+        const groupPadlock = !useIRCLayout && !isBubbleMessage && this._renderE2EPadlock();
+        const ircPadlock = useIRCLayout && !isBubbleMessage && this._renderE2EPadlock();
 
         switch (this.props.tileShape) {
             case 'notif': {
@@ -941,7 +945,7 @@ export default class EventTile extends React.Component {
                     this.props.onHeightChanged,
                     this.props.permalinkCreator,
                     this._replyThread,
-                    this.props.useIRCLayout,
+                    this.props.layout,
                 );
 
                 // tab-index=-1 to allow it to be focusable but do not add tab stop for it, primarily for screen readers

src/components/views/rooms/LinkPreviewWidget.js

@@ -107,7 +107,7 @@ export default class LinkPreviewWidget extends React.Component {
         if (!SettingsStore.getValue("showImages")) {
             image = null; // Don't render a button to show the image, just hide it outright
         }
-        const imageMaxWidth = 100; const imageMaxHeight = 100;
+        const imageMaxWidth = 320; const imageMaxHeight = 240;
         if (image && image.startsWith("mxc://")) {
             image = MatrixClientPeg.get().mxcUrlToHttp(image, imageMaxWidth, imageMaxHeight);
         }
@@ -134,6 +134,10 @@ export default class LinkPreviewWidget extends React.Component {
         const AccessibleButton = sdk.getComponent('elements.AccessibleButton');
         return (
             <div className="mx_LinkPreviewWidget">
+                <AccessibleButton className="mx_LinkPreviewWidget_cancel" onClick={this.props.onCancelClick} aria-label={_t("Close preview")}>
+                    <img className="mx_filterFlipColor" alt="" role="presentation"
+                        src={require("../../../../res/img/cancel.svg")} width="18" height="18" />
+                </AccessibleButton>
                 { img }
                 <div className="mx_LinkPreviewWidget_caption">
                     <div className="mx_LinkPreviewWidget_title"><a href={this.props.link} target="_blank" rel="noreferrer noopener">{ p["og:title"] }</a></div>
@@ -142,10 +146,6 @@ export default class LinkPreviewWidget extends React.Component {
                         { description }
                     </div>
                 </div>
-                <AccessibleButton className="mx_LinkPreviewWidget_cancel" onClick={this.props.onCancelClick} aria-label={_t("Close preview")}>
-                    <img className="mx_filterFlipColor" alt="" role="presentation"
-                        src={require("../../../../res/img/cancel.svg")} width="18" height="18" />
-                </AccessibleButton>
             </div>
         );
     }

src/components/views/rooms/MessageComposer.js

@@ -109,9 +109,12 @@ function HangupButton(props) {
 
         dis.dispatch({
             action,
-            // hangup the call for this room, which may not be the room in props
-            // (e.g. conferences which will hangup the 1:1 room instead)
-            room_id: call.roomId,
+            // hangup the call for this room. NB. We use the room in props as the room ID
+            // as call.roomId may be the 'virtual room', and the dispatch actions always
+            // use the user-facing room (there was a time when we deliberately used
+            // call.roomId and *not* props.roomId, but that was for the old
+            // style Freeswitch conference calls and those times are gone.)
+            room_id: props.roomId,
         });
     };
 
@@ -423,7 +426,8 @@ export default class MessageComposer extends React.Component {
                 <EmojiButton key="emoji_button" addEmoji={this.addEmoji} />,
             );
 
-            if (SettingsStore.getValue(UIFeature.Widgets)) {
+            if (SettingsStore.getValue(UIFeature.Widgets) &&
+                SettingsStore.getValue("MessageComposerInput.showStickersButton")) {
                 controls.push(<Stickerpicker key="stickerpicker_controls_button" room={this.props.room} />);
             }
 

src/components/views/rooms/RoomBreadcrumbs.tsx

@@ -111,7 +111,7 @@ export default class RoomBreadcrumbs extends React.PureComponent<IProps, IState>
                     appear={true} in={this.state.doAnimation} timeout={640}
                     classNames='mx_RoomBreadcrumbs'
                 >
-                    <Toolbar className='mx_RoomBreadcrumbs'>
+                    <Toolbar className='mx_RoomBreadcrumbs' aria-label={_t("Recently visited rooms")}>
                         {tiles.slice(this.state.skipFirst ? 1 : 0)}
                     </Toolbar>
                 </CSSTransition>

src/components/views/rooms/RoomList.tsx

@@ -46,6 +46,7 @@ import { objectShallowClone, objectWithOnly } from "../../../utils/objects";
 import { IconizedContextMenuOption, IconizedContextMenuOptionList } from "../context_menus/IconizedContextMenu";
 import AccessibleButton from "../elements/AccessibleButton";
 import { CommunityPrototypeStore } from "../../../stores/CommunityPrototypeStore";
+import CallHandler from "../../../CallHandler";
 
 interface IProps {
     onKeyDown: (ev: React.KeyboardEvent) => void;
@@ -89,10 +90,44 @@ interface ITagAesthetics {
     defaultHidden: boolean;
 }
 
-const TAG_AESTHETICS: {
+interface ITagAestheticsMap {
     // @ts-ignore - TS wants this to be a string but we know better
     [tagId: TagID]: ITagAesthetics;
-} = {
+}
+
+// If we have no dialer support, we just show the create chat dialog
+const dmOnAddRoom = (dispatcher?: Dispatcher<ActionPayload>) => {
+    (dispatcher || defaultDispatcher).dispatch({action: 'view_create_chat'});
+};
+
+// If we have dialer support, show a context menu so the user can pick between
+// the dialer and the create chat dialog
+const dmAddRoomContextMenu = (onFinished: () => void) => {
+    return <IconizedContextMenuOptionList first>
+        <IconizedContextMenuOption
+            label={_t("Start a Conversation")}
+            iconClassName="mx_RoomList_iconPlus"
+            onClick={(e) => {
+                e.preventDefault();
+                e.stopPropagation();
+                onFinished();
+                defaultDispatcher.dispatch({action: "view_create_chat"});
+            }}
+        />
+        <IconizedContextMenuOption
+            label={_t("Open dial pad")}
+            iconClassName="mx_RoomList_iconDialpad"
+            onClick={(e) => {
+                e.preventDefault();
+                e.stopPropagation();
+                onFinished();
+                defaultDispatcher.fire(Action.OpenDialPad);
+            }}
+        />
+    </IconizedContextMenuOptionList>;
+};
+
+const TAG_AESTHETICS: ITagAestheticsMap = {
     [DefaultTagID.Invite]: {
         sectionLabel: _td("Invites"),
         isInvite: true,
@@ -108,9 +143,8 @@ const TAG_AESTHETICS: {
         isInvite: false,
         defaultHidden: false,
         addRoomLabel: _td("Start chat"),
-        onAddRoom: (dispatcher?: Dispatcher<ActionPayload>) => {
-            (dispatcher || defaultDispatcher).dispatch({action: 'view_create_chat'});
-        },
+        // Either onAddRoom or addRoomContextMenu are set depending on whether we
+        // have dialer support.
     },
     [DefaultTagID.Untagged]: {
         sectionLabel: _td("Rooms"),
@@ -178,6 +212,7 @@ function customTagAesthetics(tagId: TagID): ITagAesthetics {
 export default class RoomList extends React.PureComponent<IProps, IState> {
     private dispatcherRef;
     private customTagStoreRef;
+    private tagAesthetics: ITagAestheticsMap;
 
     constructor(props: IProps) {
         super(props);
@@ -187,6 +222,10 @@ export default class RoomList extends React.PureComponent<IProps, IState> {
             isNameFiltering: !!RoomListStore.instance.getFirstNameFilterCondition(),
         };
 
+        // shallow-copy from the template as we need to make modifications to it
+        this.tagAesthetics = objectShallowClone(TAG_AESTHETICS);
+        this.updateDmAddRoomAction();
+
         this.dispatcherRef = defaultDispatcher.register(this.onAction);
     }
 
@@ -202,6 +241,17 @@ export default class RoomList extends React.PureComponent<IProps, IState> {
         if (this.customTagStoreRef) this.customTagStoreRef.remove();
     }
 
+    private updateDmAddRoomAction() {
+        const dmTagAesthetics = objectShallowClone(TAG_AESTHETICS[DefaultTagID.DM]);
+        if (CallHandler.sharedInstance().getSupportsPstnProtocol()) {
+            dmTagAesthetics.addRoomContextMenu = dmAddRoomContextMenu;
+        } else {
+            dmTagAesthetics.onAddRoom = dmOnAddRoom;
+        }
+
+        this.tagAesthetics[DefaultTagID.DM] = dmTagAesthetics;
+    }
+
     private onAction = (payload: ActionPayload) => {
         if (payload.action === Action.ViewRoomDelta) {
             const viewRoomDeltaPayload = payload as ViewRoomDeltaPayload;
@@ -214,6 +264,9 @@ export default class RoomList extends React.PureComponent<IProps, IState> {
                     show_room_tile: true, // to make sure the room gets scrolled into view
                 });
             }
+        } else if (payload.action === Action.PstnSupportUpdated) {
+            this.updateDmAddRoomAction();
+            this.updateLists();
         }
     };
 
@@ -355,7 +408,7 @@ export default class RoomList extends React.PureComponent<IProps, IState> {
 
             const aesthetics: ITagAesthetics = isCustomTag(orderedTagId)
                 ? customTagAesthetics(orderedTagId)
-                : TAG_AESTHETICS[orderedTagId];
+                : this.tagAesthetics[orderedTagId];
             if (!aesthetics) throw new Error(`Tag ${orderedTagId} does not have aesthetics`);
 
             components.push(<RoomSublist
@@ -402,8 +455,9 @@ export default class RoomList extends React.PureComponent<IProps, IState> {
                 const unfilteredLists = RoomListStore.instance.unfilteredLists
                 const unfilteredRooms = unfilteredLists[DefaultTagID.Untagged] || [];
                 const unfilteredHistorical = unfilteredLists[DefaultTagID.Archived] || [];
+                const unfilteredFavourite = unfilteredLists[DefaultTagID.Favourite] || [];
                 // show a prompt to join/create rooms if the user is in 0 rooms and no historical
-                if (unfilteredRooms.length < 1 && unfilteredHistorical < 1) {
+                if (unfilteredRooms.length < 1 && unfilteredHistorical < 1 && unfilteredFavourite < 1) {
                     explorePrompt = <div className="mx_RoomList_explorePrompt">
                         <div>{_t("Use the + to make a new room or explore existing ones below")}</div>
                         <AccessibleButton

src/components/views/rooms/RoomTile.tsx

@@ -29,7 +29,7 @@ import ActiveRoomObserver from "../../../ActiveRoomObserver";
 import { _t } from "../../../languageHandler";
 import { ChevronFace, ContextMenuTooltipButton } from "../../structures/ContextMenu";
 import { DefaultTagID, TagID } from "../../../stores/room-list/models";
-import { MessagePreviewStore, ROOM_PREVIEW_CHANGED } from "../../../stores/room-list/MessagePreviewStore";
+import { MessagePreviewStore } from "../../../stores/room-list/MessagePreviewStore";
 import DecoratedRoomAvatar from "../avatars/DecoratedRoomAvatar";
 import { ALL_MESSAGES, ALL_MESSAGES_LOUD, MENTIONS_ONLY, MUTE } from "../../../RoomNotifs";
 import { MatrixClientPeg } from "../../../MatrixClientPeg";
@@ -51,7 +51,6 @@ import IconizedContextMenu, {
     IconizedContextMenuRadio,
 } from "../context_menus/IconizedContextMenu";
 import { CommunityPrototypeStore, IRoomProfile } from "../../../stores/CommunityPrototypeStore";
-import { UPDATE_EVENT } from "../../../stores/AsyncStore";
 
 interface IProps {
     room: Room;
@@ -99,12 +98,23 @@ export default class RoomTile extends React.PureComponent<IProps, IState> {
 
         ActiveRoomObserver.addListener(this.props.room.roomId, this.onActiveRoomUpdate);
         this.dispatcherRef = defaultDispatcher.register(this.onAction);
-        MessagePreviewStore.instance.on(ROOM_PREVIEW_CHANGED, this.onRoomPreviewChanged);
+        MessagePreviewStore.instance.on(
+            MessagePreviewStore.getPreviewChangedEventName(this.props.room),
+            this.onRoomPreviewChanged,
+        );
         this.notificationState = RoomNotificationStateStore.instance.getRoomState(this.props.room);
         this.notificationState.on(NOTIFICATION_STATE_UPDATE, this.onNotificationUpdate);
         this.roomProps = EchoChamber.forRoom(this.props.room);
         this.roomProps.on(PROPERTY_UPDATED, this.onRoomPropertyUpdate);
-        CommunityPrototypeStore.instance.on(UPDATE_EVENT, this.onCommunityUpdate);
+        CommunityPrototypeStore.instance.on(
+            CommunityPrototypeStore.getUpdateEventName(this.props.room.roomId),
+            this.onCommunityUpdate,
+        );
+        this.props.room.on("Room.name", this.onRoomNameUpdate);
+    }
+
+    private onRoomNameUpdate = (room) => {
+        this.forceUpdate();
     }
 
     private onNotificationUpdate = () => {
@@ -128,6 +138,26 @@ export default class RoomTile extends React.PureComponent<IProps, IState> {
         if (prevProps.showMessagePreview !== this.props.showMessagePreview && this.showMessagePreview) {
             this.setState({messagePreview: this.generatePreview()});
         }
+        if (prevProps.room?.roomId !== this.props.room?.roomId) {
+            MessagePreviewStore.instance.off(
+                MessagePreviewStore.getPreviewChangedEventName(prevProps.room),
+                this.onRoomPreviewChanged,
+            );
+            MessagePreviewStore.instance.on(
+                MessagePreviewStore.getPreviewChangedEventName(this.props.room),
+                this.onRoomPreviewChanged,
+            );
+            CommunityPrototypeStore.instance.off(
+                CommunityPrototypeStore.getUpdateEventName(prevProps.room?.roomId),
+                this.onCommunityUpdate,
+            );
+            CommunityPrototypeStore.instance.on(
+                CommunityPrototypeStore.getUpdateEventName(this.props.room?.roomId),
+                this.onCommunityUpdate,
+            );
+            prevProps.room?.off("Room.name", this.onRoomNameUpdate);
+            this.props.room?.on("Room.name", this.onRoomNameUpdate);
+        }
     }
 
     public componentDidMount() {
@@ -140,11 +170,18 @@ export default class RoomTile extends React.PureComponent<IProps, IState> {
     public componentWillUnmount() {
         if (this.props.room) {
             ActiveRoomObserver.removeListener(this.props.room.roomId, this.onActiveRoomUpdate);
+            MessagePreviewStore.instance.off(
+                MessagePreviewStore.getPreviewChangedEventName(this.props.room),
+                this.onRoomPreviewChanged,
+            );
+            CommunityPrototypeStore.instance.off(
+                CommunityPrototypeStore.getUpdateEventName(this.props.room.roomId),
+                this.onCommunityUpdate,
+            );
+            this.props.room.off("Room.name", this.onRoomNameUpdate);
         }
         defaultDispatcher.unregister(this.dispatcherRef);
-        MessagePreviewStore.instance.off(ROOM_PREVIEW_CHANGED, this.onRoomPreviewChanged);
         this.notificationState.off(NOTIFICATION_STATE_UPDATE, this.onNotificationUpdate);
-        CommunityPrototypeStore.instance.off(UPDATE_EVENT, this.onCommunityUpdate);
     }
 
     private onAction = (payload: ActionPayload) => {

src/components/views/rooms/SendMessageComposer.js

@@ -156,13 +156,14 @@ export default class SendMessageComposer extends React.Component {
             this.onVerticalArrow(event, true);
         } else if (event.key === Key.ARROW_DOWN) {
             this.onVerticalArrow(event, false);
-        } else if (this._prepareToEncrypt) {
-            this._prepareToEncrypt();
         } else if (event.key === Key.ESCAPE) {
             dis.dispatch({
                 action: 'reply_to_event',
                 event: null,
             });
+        } else if (this._prepareToEncrypt) {
+            // This needs to be last!
+            this._prepareToEncrypt();
         }
     };
 
@@ -402,6 +403,7 @@ export default class SendMessageComposer extends React.Component {
         this._editorRef.clearUndoHistory();
         this._editorRef.focus();
         this._clearStoredEditorState();
+        dis.dispatch({action: "scroll_to_bottom"});
     }
 
     componentWillUnmount() {

src/components/views/rooms/Stickerpicker.js

@@ -264,7 +264,7 @@ export default class Stickerpicker extends React.Component {
                             width: this.popoverWidth,
                         }}
                     >
-                    <PersistedElement persistKey={PERSISTED_ELEMENT_KEY} style={{zIndex: STICKERPICKER_Z_INDEX}}>
+                    <PersistedElement persistKey={PERSISTED_ELEMENT_KEY} zIndex={STICKERPICKER_Z_INDEX}>
                         <AppTile
                             app={stickerApp}
                             room={this.props.room}

src/components/views/rooms/WhoIsTypingTile.js

@@ -81,7 +81,7 @@ export default class WhoIsTypingTile extends React.Component {
     };
 
     onRoomTimeline = (event, room) => {
-        if (room && room.roomId === this.props.room.roomId) {
+        if (room?.roomId === this.props.room?.roomId) {
             const userId = event.getSender();
             // remove user from usersTyping
             const usersTyping = this.state.usersTyping.filter((m) => m.userId !== userId);

src/components/views/settings/AvatarSetting.js

@@ -65,7 +65,7 @@ const AvatarSetting = ({avatarUrl, avatarAltText, avatarName, uploadAvatar, remo
 
     const avatarClasses = classNames({
         "mx_AvatarSetting_avatar": true,
-        "mx_AvatarSetting_avatar_hovering": isHovering,
+        "mx_AvatarSetting_avatar_hovering": isHovering && uploadAvatar,
     });
     return <div className={avatarClasses}>
         {avatarElement}

src/components/views/settings/BridgeTile.js

@@ -1,115 +0,0 @@
-/*
-Copyright 2020 The Matrix.org Foundation C.I.C.
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-*/
-
-import React from 'react';
-import PropTypes from 'prop-types';
-import {getHttpUriForMxc} from "matrix-js-sdk/src/content-repo";
-import {_t} from "../../../languageHandler";
-import {MatrixClientPeg} from "../../../MatrixClientPeg";
-import Pill from "../elements/Pill";
-import {makeUserPermalink} from "../../../utils/permalinks/Permalinks";
-import BaseAvatar from "../avatars/BaseAvatar";
-import AccessibleButton from "../elements/AccessibleButton";
-import {replaceableComponent} from "../../../utils/replaceableComponent";
-import SettingsStore from "../../../settings/SettingsStore";
-
-@replaceableComponent("views.settings.BridgeTile")
-export default class BridgeTile extends React.PureComponent {
-    static propTypes = {
-        ev: PropTypes.object.isRequired,
-        room: PropTypes.object.isRequired,
-    }
-
-    state = {
-        visible: false,
-    }
-
-    _toggleVisible() {
-        this.setState({
-            visible: !this.state.visible,
-        });
-    }
-
-    render() {
-        const content = this.props.ev.getContent();
-        const { channel, network, protocol } = content;
-        const protocolName = protocol.displayname || protocol.id;
-        const channelName = channel.displayname || channel.id;
-        const networkName = network ? network.displayname || network.id : protocolName;
-
-        let creator = null;
-        if (content.creator) {
-            creator = _t("This bridge was provisioned by <user />.", {}, {
-                    user: <Pill
-                        type={Pill.TYPE_USER_MENTION}
-                        room={this.props.room}
-                        url={makeUserPermalink(content.creator)}
-                        shouldShowPillAvatar={SettingsStore.getValue("Pill.shouldShowPillAvatar")}
-                    />,
-            });
-        }
-
-        const bot = _t("This bridge is managed by <user />.", {}, {
-            user: <Pill
-                type={Pill.TYPE_USER_MENTION}
-                room={this.props.room}
-                url={makeUserPermalink(this.props.ev.getSender())}
-                shouldShowPillAvatar={SettingsStore.getValue("Pill.shouldShowPillAvatar")}
-                />,
-        });
-
-        let networkIcon;
-
-        if (protocol.avatar) {
-            const avatarUrl = getHttpUriForMxc(
-                MatrixClientPeg.get().getHomeserverUrl(),
-                protocol.avatar, 64, 64, "crop",
-            );
-
-            networkIcon = <BaseAvatar className="protocol-icon"
-                width={48}
-                height={48}
-                resizeMethod='crop'
-                name={ protocolName }
-                idName={ protocolName }
-                url={ avatarUrl }
-            />;
-        } else {
-            networkIcon = <div class="noProtocolIcon"></div>;
-        }
-
-        const id = this.props.ev.getId();
-        const metadataClassname = "metadata" + (this.state.visible ? " visible" : "");
-        return (<li key={id}>
-            <div className="column-icon">
-                {networkIcon}
-            </div>
-            <div className="column-data">
-                <h3>{protocolName}</h3>
-                <p className="workspace-channel-details">
-                    <span>{_t("Workspace: %(networkName)s", {networkName})}</span>
-                    <span className="channel">{_t("Channel: %(channelName)s", {channelName})}</span>
-                </p>
-                <p className={metadataClassname}>
-                    {creator} {bot}
-                </p>
-                <AccessibleButton className="mx_showMore" kind="secondary" onClick={this._toggleVisible.bind(this)}>
-                    { this.state.visible ? _t("Show less") : _t("Show more") }
-                </AccessibleButton>
-            </div>
-        </li>);
-    }
-}

src/components/views/settings/BridgeTile.tsx

@@ -0,0 +1,167 @@
+/*
+Copyright 2020 The Matrix.org Foundation C.I.C.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+import React from 'react';
+import PropTypes from 'prop-types';
+import {getHttpUriForMxc} from "matrix-js-sdk/src/content-repo";
+import {_t} from "../../../languageHandler";
+import {MatrixClientPeg} from "../../../MatrixClientPeg";
+import Pill from "../elements/Pill";
+import {makeUserPermalink} from "../../../utils/permalinks/Permalinks";
+import BaseAvatar from "../avatars/BaseAvatar";
+import SettingsStore from "../../../settings/SettingsStore";
+import {MatrixEvent} from "matrix-js-sdk/src/models/event";
+import { Room } from "matrix-js-sdk/src/models/room";
+import { isUrlPermitted } from '../../../HtmlUtils';
+
+interface IProps {
+    ev: MatrixEvent;
+    room: Room;
+}
+
+/**
+ * This should match https://github.com/matrix-org/matrix-doc/blob/hs/msc-bridge-inf/proposals/2346-bridge-info-state-event.md#mbridge
+ */
+interface IBridgeStateEvent {
+    bridgebot: string;
+    creator?: string;
+    protocol: {
+        id: string;
+        displayname?: string;
+        // eslint-disable-next-line camelcase
+        avatar_url?: string;
+        // eslint-disable-next-line camelcase
+        external_url?: string;
+    };
+    network?: {
+        id: string;
+        displayname?: string;
+        // eslint-disable-next-line camelcase
+        avatar_url?: string;
+        // eslint-disable-next-line camelcase
+        external_url?: string;
+    };
+    channel: {
+        id: string;
+        displayname?: string;
+        // eslint-disable-next-line camelcase
+        avatar_url?: string;
+        // eslint-disable-next-line camelcase
+        external_url?: string;
+    };
+}
+
+export default class BridgeTile extends React.PureComponent<IProps> {
+    static propTypes = {
+        ev: PropTypes.object.isRequired,
+        room: PropTypes.object.isRequired,
+    }
+
+    render() {
+        const content: IBridgeStateEvent = this.props.ev.getContent();
+        // Validate
+        if (!content.channel?.id || !content.protocol?.id) {
+            console.warn(`Bridge info event ${this.props.ev.getId()} has missing content. Tile will not render`);
+            return null;
+        }
+        if (!content.bridgebot) {
+            // Bridgebot was not required previously, so in order to not break rooms we are allowing
+            // the sender to be used in place. When the proposal is merged, this should be removed.
+            console.warn(`Bridge info event ${this.props.ev.getId()} does not provide a 'bridgebot' key which`
+             + "is deprecated behaviour. Using sender for now.");
+            content.bridgebot = this.props.ev.getSender();
+        }
+        const { channel, network, protocol } = content;
+        const protocolName = protocol.displayname || protocol.id;
+        const channelName = channel.displayname || channel.id;
+
+        let creator = null;
+        if (content.creator) {
+            creator = <li>{_t("This bridge was provisioned by <user />.", {}, {
+                user: () => <Pill
+                    type={Pill.TYPE_USER_MENTION}
+                    room={this.props.room}
+                    url={makeUserPermalink(content.creator)}
+                    shouldShowPillAvatar={SettingsStore.getValue("Pill.shouldShowPillAvatar")}
+                />,
+            })}</li>;
+        }
+
+        const bot = <li>{_t("This bridge is managed by <user />.", {}, {
+            user: () => <Pill
+                type={Pill.TYPE_USER_MENTION}
+                room={this.props.room}
+                url={makeUserPermalink(content.bridgebot)}
+                shouldShowPillAvatar={SettingsStore.getValue("Pill.shouldShowPillAvatar")}
+            />,
+        })}</li>;
+
+        let networkIcon;
+
+        if (protocol.avatar_url) {
+            const avatarUrl = getHttpUriForMxc(
+                MatrixClientPeg.get().getHomeserverUrl(),
+                protocol.avatar_url, 64, 64, "crop",
+            );
+
+            networkIcon = <BaseAvatar className="protocol-icon"
+                width={48}
+                height={48}
+                resizeMethod='crop'
+                name={ protocolName }
+                idName={ protocolName }
+                url={ avatarUrl }
+            />;
+        } else {
+            networkIcon = <div className="noProtocolIcon"></div>;
+        }
+        let networkItem = null;
+        if (network) {
+            const networkName = network.displayname || network.id;
+            let networkLink = <span>{networkName}</span>;
+            if (typeof network.external_url === "string" && isUrlPermitted(network.external_url)) {
+                networkLink = <a href={network.external_url} target="_blank" rel="noreferrer noopener">{networkName}</a>
+            }
+            networkItem = _t("Workspace: <networkLink/>", {}, {
+                networkLink: () => networkLink,
+            });
+        }
+
+        let channelLink = <span>{channelName}</span>;
+        if (typeof channel.external_url === "string" && isUrlPermitted(channel.external_url)) {
+            channelLink = <a href={channel.external_url} target="_blank" rel="noreferrer noopener">{channelName}</a>
+        }
+
+        const id = this.props.ev.getId();
+        return (<li key={id}>
+            <div className="column-icon">
+                {networkIcon}
+            </div>
+            <div className="column-data">
+                <h3>{protocolName}</h3>
+                <p className="workspace-channel-details">
+                    {networkItem}
+                    <span className="channel">{_t("Channel: <channelLink/>", {}, {
+                        channelLink: () => channelLink,
+                    })}</span>
+                </p>
+                <ul className="metadata">
+                    {creator} {bot}
+                </ul>
+            </div>
+        </li>);
+    }
+}

src/components/views/settings/ProfileSettings.js

@@ -52,19 +52,23 @@ export default class ProfileSettings extends React.Component {
         // clear file upload field so same file can be selected
         this._avatarUpload.current.value = "";
         this.setState({
-            avatarUrl: undefined,
-            avatarFile: undefined,
+            avatarUrl: null,
+            avatarFile: null,
             enableProfileSave: true,
         });
     };
 
-    _clearProfile = async (e) => {
+    _cancelProfileChanges = async (e) => {
         e.stopPropagation();
         e.preventDefault();
 
         if (!this.state.enableProfileSave) return;
-        this._removeAvatar();
-        this.setState({enableProfileSave: false, displayName: this.state.originalDisplayName});
+        this.setState({
+            enableProfileSave: false,
+            displayName: this.state.originalDisplayName,
+            avatarUrl: this.state.originalAvatarUrl,
+            avatarFile: null,
+        });
     };
 
     _saveProfile = async (e) => {
@@ -186,7 +190,7 @@ export default class ProfileSettings extends React.Component {
                 </div>
                 <div className="mx_ProfileSettings_buttons">
                     <AccessibleButton
-                        onClick={this._clearProfile}
+                        onClick={this._cancelProfileChanges}
                         kind="link"
                         disabled={!this.state.enableProfileSave}
                     >

src/components/views/settings/SecureBackupPanel.js

@@ -424,7 +424,7 @@ export default class SecureBackupPanel extends React.PureComponent {
                 <p>{_t(
                     "Back up your encryption keys with your account data in case you " +
                     "lose access to your sessions. Your keys will be secured with a " +
-                    "unique Recovery Key.",
+                    "unique Security Key.",
                 )}</p>
                 {statusDescription}
                 <details>

src/components/views/settings/tabs/user/AppearanceUserSettingsTab.tsx

@@ -28,15 +28,14 @@ import { FontWatcher } from "../../../../../settings/watchers/FontWatcher";
 import { RecheckThemePayload } from '../../../../../dispatcher/payloads/RecheckThemePayload';
 import { Action } from '../../../../../dispatcher/actions';
 import { IValidationResult, IFieldState } from '../../../elements/Validation';
-import StyledRadioButton from '../../../elements/StyledRadioButton';
 import StyledCheckbox from '../../../elements/StyledCheckbox';
 import SettingsFlag from '../../../elements/SettingsFlag';
 import Field from '../../../elements/Field';
 import EventTilePreview from '../../../elements/EventTilePreview';
 import StyledRadioGroup from "../../../elements/StyledRadioGroup";
-import classNames from 'classnames';
 import { SettingLevel } from "../../../../../settings/SettingLevel";
 import {UIFeature} from "../../../../../settings/UIFeature";
+import {Layout} from "../../../../../settings/Layout";
 
 interface IProps {
 }
@@ -62,7 +61,7 @@ interface IState extends IThemeState {
     useSystemFont: boolean;
     systemFont: string;
     showAdvanced: boolean;
-    useIRCLayout: boolean;
+    layout: Layout;
 }
 
 
@@ -83,7 +82,7 @@ export default class AppearanceUserSettingsTab extends React.Component<IProps, I
             useSystemFont: SettingsStore.getValue("useSystemFont"),
             systemFont: SettingsStore.getValue("systemFont"),
             showAdvanced: false,
-            useIRCLayout: SettingsStore.getValue("useIRCLayout"),
+            layout: SettingsStore.getValue("layout"),
         };
     }
 
@@ -213,15 +212,15 @@ export default class AppearanceUserSettingsTab extends React.Component<IProps, I
         this.setState({customThemeUrl: e.target.value});
     };
 
-    private onLayoutChange = (e: React.ChangeEvent<HTMLInputElement>): void => {
-        const val = e.target.value === "true";
-
-        this.setState({
-            useIRCLayout: val,
-        });
-
-        SettingsStore.setValue("useIRCLayout", null, SettingLevel.DEVICE, val);
-    };
+    private onIRCLayoutChange = (enabled: boolean) => {
+        if (enabled) {
+            this.setState({layout: Layout.IRC});
+            SettingsStore.setValue("layout", null, SettingLevel.DEVICE, Layout.IRC);
+        } else {
+            this.setState({layout: Layout.Group});
+            SettingsStore.setValue("layout", null, SettingLevel.DEVICE, Layout.Group);
+        }
+    }
 
     private renderThemeSection() {
         const themeWatcher = new ThemeWatcher();
@@ -306,7 +305,7 @@ export default class AppearanceUserSettingsTab extends React.Component<IProps, I
             <EventTilePreview
                 className="mx_AppearanceUserSettingsTab_fontSlider_preview"
                 message={this.MESSAGE_PREVIEW_TEXT}
-                useIRCLayout={this.state.useIRCLayout}
+                layout={this.state.layout}
             />
             <div className="mx_AppearanceUserSettingsTab_fontSlider">
                 <div className="mx_AppearanceUserSettingsTab_fontSlider_smallText">Aa</div>
@@ -342,50 +341,6 @@ export default class AppearanceUserSettingsTab extends React.Component<IProps, I
         </div>;
     }
 
-    private renderLayoutSection = () => {
-        return <div className="mx_SettingsTab_section mx_AppearanceUserSettingsTab_Layout">
-            <span className="mx_SettingsTab_subheading">{_t("Message layout")}</span>
-
-            <div className="mx_AppearanceUserSettingsTab_Layout_RadioButtons">
-                <div className={classNames("mx_AppearanceUserSettingsTab_Layout_RadioButton", {
-                    mx_AppearanceUserSettingsTab_Layout_RadioButton_selected: this.state.useIRCLayout,
-                })}>
-                    <EventTilePreview
-                        className="mx_AppearanceUserSettingsTab_Layout_RadioButton_preview"
-                        message={this.MESSAGE_PREVIEW_TEXT}
-                        useIRCLayout={true}
-                    />
-                    <StyledRadioButton
-                        name="layout"
-                        value="true"
-                        checked={this.state.useIRCLayout}
-                        onChange={this.onLayoutChange}
-                    >
-                        {_t("Compact")}
-                    </StyledRadioButton>
-                </div>
-                <div className="mx_AppearanceUserSettingsTab_spacer" />
-                <div className={classNames("mx_AppearanceUserSettingsTab_Layout_RadioButton", {
-                    mx_AppearanceUserSettingsTab_Layout_RadioButton_selected: !this.state.useIRCLayout,
-                })}>
-                    <EventTilePreview
-                        className="mx_AppearanceUserSettingsTab_Layout_RadioButton_preview"
-                        message={this.MESSAGE_PREVIEW_TEXT}
-                        useIRCLayout={false}
-                    />
-                    <StyledRadioButton
-                        name="layout"
-                        value="false"
-                        checked={!this.state.useIRCLayout}
-                        onChange={this.onLayoutChange}
-                    >
-                        {_t("Modern")}
-                    </StyledRadioButton>
-                </div>
-            </div>
-        </div>;
-    };
-
     private renderAdvancedSection() {
         if (!SettingsStore.getValue(UIFeature.AdvancedSettings)) return null;
 
@@ -409,14 +364,15 @@ export default class AppearanceUserSettingsTab extends React.Component<IProps, I
                     name="useCompactLayout"
                     level={SettingLevel.DEVICE}
                     useCheckbox={true}
-                    disabled={this.state.useIRCLayout}
-                />
-                <SettingsFlag
-                    name="useIRCLayout"
-                    level={SettingLevel.DEVICE}
-                    useCheckbox={true}
-                    onChange={(checked) => this.setState({useIRCLayout: checked})}
+                    disabled={this.state.layout == Layout.IRC}
                 />
+                <StyledCheckbox
+                    checked={this.state.layout == Layout.IRC}
+                    onChange={(ev) => this.onIRCLayoutChange(ev.target.checked)}
+                >
+                    {_t("Enable experimental, compact IRC style layout")}
+                </StyledCheckbox>
+
                 <SettingsFlag
                     name="useSystemFont"
                     level={SettingLevel.DEVICE}

src/components/views/settings/tabs/user/PreferencesUserSettingsTab.js

@@ -34,6 +34,7 @@ export default class PreferencesUserSettingsTab extends React.Component {
         'MessageComposerInput.suggestEmoji',
         'sendTypingNotifications',
         'MessageComposerInput.ctrlEnterToSend',
+        'MessageComposerInput.showStickersButton',
     ];
 
     static TIMELINE_SETTINGS = [
@@ -46,12 +47,15 @@ export default class PreferencesUserSettingsTab extends React.Component {
         'alwaysShowTimestamps',
         'showRedactions',
         'enableSyntaxHighlightLanguageDetection',
+        'expandCodeByDefault',
+        'showCodeLineNumbers',
         'showJoinLeaves',
         'showAvatarChanges',
         'showDisplaynameChanges',
         'showImages',
         'showChatEffects',
         'Pill.shouldShowPillAvatar',
+        'ctrlFForSearch',
     ];
 
     static GENERAL_SETTINGS = [

src/components/views/voip/CallView.tsx

@@ -15,11 +15,11 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import React, { createRef, CSSProperties, ReactNode } from 'react';
+import React, { createRef, CSSProperties } from 'react';
 import dis from '../../../dispatcher/dispatcher';
 import CallHandler from '../../../CallHandler';
 import {MatrixClientPeg} from '../../../MatrixClientPeg';
-import { _t } from '../../../languageHandler';
+import { _t, _td } from '../../../languageHandler';
 import VideoFeed, { VideoFeedType } from "./VideoFeed";
 import RoomAvatar from "../avatars/RoomAvatar";
 import { CallState, CallType, MatrixCall } from 'matrix-js-sdk/src/webrtc/call';
@@ -27,9 +27,10 @@ import { CallEvent } from 'matrix-js-sdk/src/webrtc/call';
 import classNames from 'classnames';
 import AccessibleButton from '../elements/AccessibleButton';
 import {isOnlyCtrlOrCmdKeyEvent, Key} from '../../../Keyboard';
-import {aboveLeftOf, ChevronFace, ContextMenuButton} from '../../structures/ContextMenu';
+import {alwaysAboveLeftOf, alwaysAboveRightOf, ChevronFace, ContextMenuButton} from '../../structures/ContextMenu';
 import CallContextMenu from '../context_menus/CallContextMenu';
 import { avatarUrlForMember } from '../../../Avatar';
+import DialpadContextMenu from '../context_menus/DialpadContextMenu';
 
 interface IProps {
         // The call for us to display
@@ -60,6 +61,7 @@ interface IState {
     callState: CallState,
     controlsVisible: boolean,
     showMoreMenu: boolean,
+    showDialpad: boolean,
 }
 
 function getFullScreenElement() {
@@ -102,6 +104,7 @@ export default class CallView extends React.Component<IProps, IState> {
     private dispatcherRef: string;
     private contentRef = createRef<HTMLDivElement>();
     private controlsHideTimer: number = null;
+    private dialpadButton = createRef<HTMLDivElement>();
     private contextMenuButton = createRef<HTMLDivElement>();
 
     constructor(props: IProps) {
@@ -115,6 +118,7 @@ export default class CallView extends React.Component<IProps, IState> {
             callState: this.props.call.state,
             controlsVisible: true,
             showMoreMenu: false,
+            showDialpad: false,
         }
 
         this.updateCallListeners(null, this.props.call);
@@ -208,9 +212,10 @@ export default class CallView extends React.Component<IProps, IState> {
     };
 
     private onExpandClick = () => {
+        const userFacingRoomId = CallHandler.roomIdForCall(this.props.call);
         dis.dispatch({
             action: 'view_room',
-            room_id: this.props.call.roomId,
+            room_id: userFacingRoomId,
         });
     };
 
@@ -226,7 +231,7 @@ export default class CallView extends React.Component<IProps, IState> {
     }
 
     private showControls() {
-        if (this.state.showMoreMenu) return;
+        if (this.state.showMoreMenu || this.state.showDialpad) return;
 
         if (!this.state.controlsVisible) {
             this.setState({
@@ -239,6 +244,29 @@ export default class CallView extends React.Component<IProps, IState> {
         this.controlsHideTimer = window.setTimeout(this.onControlsHideTimer, CONTROLS_HIDE_DELAY);
     }
 
+    private onDialpadClick = () => {
+        if (!this.state.showDialpad) {
+            if (this.controlsHideTimer) {
+                clearTimeout(this.controlsHideTimer);
+                this.controlsHideTimer = null;
+            }
+
+            this.setState({
+                showDialpad: true,
+                controlsVisible: true,
+            });
+        } else {
+            if (this.controlsHideTimer !== null) {
+                clearTimeout(this.controlsHideTimer);
+            }
+            this.controlsHideTimer = window.setTimeout(this.onControlsHideTimer, CONTROLS_HIDE_DELAY);
+
+            this.setState({
+                showDialpad: false,
+            });
+        }
+    }
+
     private onMicMuteClick = () => {
         const newVal = !this.state.micMuted;
 
@@ -265,6 +293,13 @@ export default class CallView extends React.Component<IProps, IState> {
         });
     }
 
+    private closeDialpad = () => {
+        this.setState({
+            showDialpad: false,
+        });
+        this.controlsHideTimer = window.setTimeout(this.onControlsHideTimer, CONTROLS_HIDE_DELAY);
+    }
+
     private closeContextMenu = () => {
         this.setState({
             showMoreMenu: false,
@@ -306,37 +341,52 @@ export default class CallView extends React.Component<IProps, IState> {
     };
 
     private onRoomAvatarClick = () => {
+        const userFacingRoomId = CallHandler.roomIdForCall(this.props.call);
         dis.dispatch({
             action: 'view_room',
-            room_id: this.props.call.roomId,
+            room_id: userFacingRoomId,
         });
     }
 
     private onSecondaryRoomAvatarClick = () => {
+        const userFacingRoomId = CallHandler.roomIdForCall(this.props.secondaryCall);
+
         dis.dispatch({
             action: 'view_room',
-            room_id: this.props.secondaryCall.roomId,
+            room_id: userFacingRoomId,
         });
     }
 
     private onCallResumeClick = () => {
-        CallHandler.sharedInstance().setActiveCallRoomId(this.props.call.roomId);
-    }
-
-    private onSecondaryCallResumeClick = () => {
-        CallHandler.sharedInstance().setActiveCallRoomId(this.props.secondaryCall.roomId);
+        const userFacingRoomId = CallHandler.roomIdForCall(this.props.call);
+        CallHandler.sharedInstance().setActiveCallRoomId(userFacingRoomId);
     }
 
     public render() {
         const client = MatrixClientPeg.get();
-        const callRoom = client.getRoom(this.props.call.roomId);
-        const secCallRoom = this.props.secondaryCall ? client.getRoom(this.props.secondaryCall.roomId) : null;
+        const callRoomId = CallHandler.roomIdForCall(this.props.call);
+        const secondaryCallRoomId = CallHandler.roomIdForCall(this.props.secondaryCall);
+        const callRoom = client.getRoom(callRoomId);
+        const secCallRoom = this.props.secondaryCall ? client.getRoom(secondaryCallRoomId) : null;
 
+        let dialPad;
         let contextMenu;
 
+        if (this.state.showDialpad) {
+            dialPad = <DialpadContextMenu
+                {...alwaysAboveRightOf(
+                    this.dialpadButton.current.getBoundingClientRect(),
+                    ChevronFace.None,
+                    CONTEXT_MENU_VPADDING,
+                )}
+                onFinished={this.closeDialpad}
+                call={this.props.call}
+            />;
+        }
+
         if (this.state.showMoreMenu) {
             contextMenu = <CallContextMenu
-                {...aboveLeftOf(
+                {...alwaysAboveLeftOf(
                     this.contextMenuButton.current.getBoundingClientRect(),
                     ChevronFace.None,
                     CONTEXT_MENU_VPADDING,
@@ -384,8 +434,15 @@ export default class CallView extends React.Component<IProps, IState> {
             onClick={this.onVidMuteClick}
         /> : null;
 
-        // The 'more' button actions are only relevant in a connected call
+        // The dial pad & 'more' button actions are only relevant in a connected call
         // When not connected, we have to put something there to make the flexbox alignment correct
+        const dialpadButton = this.state.callState === CallState.Connected ? <ContextMenuButton
+            className="mx_CallView_callControls_button mx_CallView_callControls_dialpad"
+            inputRef={this.dialpadButton}
+            onClick={this.onDialpadClick}
+            isExpanded={this.state.showDialpad}
+        /> : <div className="mx_CallView_callControls_button mx_CallView_callControls_button_dialpad_hidden" />;
+
         const contextMenuButton = this.state.callState === CallState.Connected ? <ContextMenuButton
             className="mx_CallView_callControls_button mx_CallView_callControls_button_more"
             onClick={this.onMoreClick}
@@ -396,7 +453,7 @@ export default class CallView extends React.Component<IProps, IState> {
         // in the near future, the dial pad button will go on the left. For now, it's the nothing button
         // because something needs to have margin-right: auto to make the alignment correct.
         const callControls = <div className={callControlsClasses}>
-            <div className="mx_CallView_callControls_button mx_CallView_callControls_nothing" />
+            {dialpadButton}
             <AccessibleButton
                 className={micClasses}
                 onClick={this.onMicMuteClick}
@@ -406,7 +463,7 @@ export default class CallView extends React.Component<IProps, IState> {
                 onClick={() => {
                     dis.dispatch({
                         action: 'hangup',
-                        room_id: this.props.call.roomId,
+                        room_id: callRoomId,
                     });
                 }}
             />
@@ -423,7 +480,9 @@ export default class CallView extends React.Component<IProps, IState> {
         const isOnHold = this.state.isLocalOnHold || this.state.isRemoteOnHold;
         let onHoldText = null;
         if (this.state.isRemoteOnHold) {
-            onHoldText = _t("You held the call <a>Resume</a>", {}, {
+            const holdString = CallHandler.sharedInstance().hasAnyUnheldCall() ?
+                _td("You held the call <a>Switch</a>") : _td("You held the call <a>Resume</a>");
+            onHoldText = _t(holdString, {}, {
                 a: sub => <AccessibleButton kind="link" onClick={this.onCallResumeClick}>
                     {sub}
                 </AccessibleButton>,
@@ -435,6 +494,7 @@ export default class CallView extends React.Component<IProps, IState> {
         }
 
         if (this.props.call.type === CallType.Video) {
+            let localVideoFeed = null;
             let onHoldContent = null;
             let onHoldBackground = null;
             const backgroundStyle: CSSProperties = {};
@@ -453,6 +513,9 @@ export default class CallView extends React.Component<IProps, IState> {
                 backgroundStyle.backgroundImage = 'url(' + backgroundAvatarUrl + ')';
                 onHoldBackground = <div className="mx_CallView_video_holdBackground" style={backgroundStyle} />;
             }
+            if (!this.state.vidMuted) {
+                localVideoFeed = <VideoFeed type={VideoFeedType.Local} call={this.props.call} />;
+            }
 
             // if we're fullscreen, we don't want to set a maxHeight on the video element.
             const maxVideoHeight = getFullScreenElement() ? null : (
@@ -468,7 +531,7 @@ export default class CallView extends React.Component<IProps, IState> {
                 <VideoFeed type={VideoFeedType.Remote} call={this.props.call} onResize={this.props.onResize}
                     maxHeight={maxVideoHeight}
                 />
-                <VideoFeed type={VideoFeedType.Local} call={this.props.call} />
+                {localVideoFeed}
                 {onHoldContent}
                 {callControls}
             </div>;
@@ -478,20 +541,6 @@ export default class CallView extends React.Component<IProps, IState> {
                 mx_CallView_voice: true,
                 mx_CallView_voice_hold: isOnHold,
             });
-            let secondaryCallAvatar: ReactNode;
-
-            if (this.props.secondaryCall) {
-                const secAvatarSize = this.props.pipMode ? 40 : 100;
-                secondaryCallAvatar = <div className="mx_CallView_voice_secondaryAvatarContainer"
-                    style={{width: secAvatarSize, height: secAvatarSize}}
-                >
-                    <RoomAvatar
-                        room={secCallRoom}
-                        height={secAvatarSize}
-                        width={secAvatarSize}
-                    />
-                </div>;
-            }
 
             contentView = <div className={classes} onMouseMove={this.onMouseMove}>
                 <div className="mx_CallView_voice_avatarsContainer">
@@ -502,7 +551,6 @@ export default class CallView extends React.Component<IProps, IState> {
                             width={avatarSize}
                         />
                     </div>
-                    {secondaryCallAvatar}
                 </div>
                 <div className="mx_CallView_voice_holdText">{onHoldText}</div>
                 {callControls}
@@ -546,7 +594,7 @@ export default class CallView extends React.Component<IProps, IState> {
                     <AccessibleButton element='span' onClick={this.onSecondaryRoomAvatarClick}>
                         <RoomAvatar room={secCallRoom} height={16} width={16} />
                         <span className="mx_CallView_secondaryCall_roomName">
-                            {_t("%(name)s paused", { name: secCallRoom.name })}
+                            {_t("%(name)s on hold", { name: secCallRoom.name })}
                         </span>
                     </AccessibleButton>
                 </span>;
@@ -571,6 +619,7 @@ export default class CallView extends React.Component<IProps, IState> {
         return <div className={"mx_CallView " + myClassName}>
             {header}
             {contentView}
+            {dialPad}
             {contextMenu}
         </div>;
     }

src/components/views/voip/DialPad.tsx

@@ -0,0 +1,85 @@
+/*
+Copyright 2020 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 * as React from "react";
+import AccessibleButton from "../elements/AccessibleButton";
+
+const BUTTONS = ['1', '2', '3', '4', '5', '6', '7', '8', '9', '*', '0', '#'];
+
+enum DialPadButtonKind {
+    Digit,
+    Delete,
+    Dial,
+}
+
+interface IButtonProps {
+    kind: DialPadButtonKind;
+    digit?: string;
+    onButtonPress: (string) => void;
+}
+
+class DialPadButton extends React.PureComponent<IButtonProps> {
+    onClick = () => {
+        this.props.onButtonPress(this.props.digit);
+    }
+
+    render() {
+        switch (this.props.kind) {
+            case DialPadButtonKind.Digit:
+                return <AccessibleButton className="mx_DialPad_button" onClick={this.onClick}>
+                    {this.props.digit}
+                </AccessibleButton>;
+            case DialPadButtonKind.Delete:
+                return <AccessibleButton className="mx_DialPad_button mx_DialPad_deleteButton"
+                    onClick={this.onClick}
+                />;
+            case DialPadButtonKind.Dial:
+                return <AccessibleButton className="mx_DialPad_button mx_DialPad_dialButton" onClick={this.onClick} />;
+        }
+    }
+}
+
+interface IProps {
+    onDigitPress: (string) => void;
+    hasDialAndDelete: boolean;
+    onDeletePress?: (string) => void;
+    onDialPress?: (string) => void;
+}
+
+export default class Dialpad extends React.PureComponent<IProps> {
+    render() {
+        const buttonNodes = [];
+
+        for (const button of BUTTONS) {
+            buttonNodes.push(<DialPadButton key={button} kind={DialPadButtonKind.Digit}
+                digit={button} onButtonPress={this.props.onDigitPress}
+            />);
+        }
+
+        if (this.props.hasDialAndDelete) {
+            buttonNodes.push(<DialPadButton key="del" kind={DialPadButtonKind.Delete}
+                onButtonPress={this.props.onDeletePress}
+            />);
+            buttonNodes.push(<DialPadButton key="dial" kind={DialPadButtonKind.Dial}
+                onButtonPress={this.props.onDialPress}
+            />);
+        }
+
+        return <div className="mx_DialPad">
+            {buttonNodes}
+        </div>;
+    }
+}

src/components/views/voip/DialPadModal.tsx

@@ -0,0 +1,111 @@
+/*
+Copyright 2020 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 * as React from "react";
+import { ensureDMExists } from "../../../createRoom";
+import { _t } from "../../../languageHandler";
+import { MatrixClientPeg } from "../../../MatrixClientPeg";
+import AccessibleButton from "../elements/AccessibleButton";
+import Field from "../elements/Field";
+import DialPad from './DialPad';
+import dis from '../../../dispatcher/dispatcher';
+import Modal from "../../../Modal";
+import ErrorDialog from "../../views/dialogs/ErrorDialog";
+import CallHandler from "../../../CallHandler";
+
+interface IProps {
+    onFinished: (boolean) => void;
+}
+
+interface IState {
+    value: string;
+}
+
+export default class DialpadModal extends React.PureComponent<IProps, IState> {
+    constructor(props) {
+        super(props);
+        this.state = {
+            value: '',
+        }
+    }
+
+    onCancelClick = () => {
+        this.props.onFinished(false);
+    }
+
+    onChange = (ev) => {
+        this.setState({value: ev.target.value});
+    }
+
+    onFormSubmit = (ev) => {
+        ev.preventDefault();
+        this.onDialPress();
+    }
+
+    onDigitPress = (digit) => {
+        this.setState({value: this.state.value + digit});
+    }
+
+    onDeletePress = () => {
+        if (this.state.value.length === 0) return;
+        this.setState({value: this.state.value.slice(0, -1)});
+    }
+
+    onDialPress = async () => {
+        const results = await CallHandler.sharedInstance().pstnLookup(this.state.value);
+        if (!results || results.length === 0 || !results[0].userid) {
+            Modal.createTrackedDialog('', '', ErrorDialog, {
+                title: _t("Unable to look up phone number"),
+                description: _t("There was an error looking up the phone number"),
+            });
+        }
+        const userId = results[0].userid;
+
+        const roomId = await ensureDMExists(MatrixClientPeg.get(), userId);
+
+        dis.dispatch({
+            action: 'view_room',
+            room_id: roomId,
+        });
+
+        this.props.onFinished(true);
+    }
+
+    render() {
+        return <div className="mx_DialPadModal">
+            <div className="mx_DialPadModal_header">
+                <div>
+                    <span className="mx_DialPadModal_title">{_t("Dial pad")}</span>
+                    <AccessibleButton className="mx_DialPadModal_cancel" onClick={this.onCancelClick} />
+                </div>
+                <form onSubmit={this.onFormSubmit}>
+                    <Field className="mx_DialPadModal_field" id="dialpad_number"
+                        value={this.state.value} autoFocus={true}
+                        onChange={this.onChange}
+                    />
+                </form>
+            </div>
+            <div className="mx_DialPadModal_horizSep" />
+            <div className="mx_DialPadModal_dialPad">
+                <DialPad hasDialAndDelete={true}
+                    onDigitPress={this.onDigitPress}
+                    onDeletePress={this.onDeletePress}
+                    onDialPress={this.onDialPress}
+                />
+            </div>
+        </div>;
+    }
+}

src/components/views/voip/IncomingCallBox.tsx

@@ -70,7 +70,7 @@ export default class IncomingCallBox extends React.Component<IProps, IState> {
         e.stopPropagation();
         dis.dispatch({
             action: 'answer',
-            room_id: this.state.incomingCall.roomId,
+            room_id: CallHandler.roomIdForCall(this.state.incomingCall),
         });
     };
 
@@ -78,7 +78,7 @@ export default class IncomingCallBox extends React.Component<IProps, IState> {
         e.stopPropagation();
         dis.dispatch({
             action: 'reject',
-            room_id: this.state.incomingCall.roomId,
+            room_id: CallHandler.roomIdForCall(this.state.incomingCall),
         });
     };
 
@@ -89,7 +89,7 @@ export default class IncomingCallBox extends React.Component<IProps, IState> {
 
         let room = null;
         if (this.state.incomingCall) {
-            room = MatrixClientPeg.get().getRoom(this.state.incomingCall.roomId);
+            room = MatrixClientPeg.get().getRoom(CallHandler.roomIdForCall(this.state.incomingCall));
         }
 
         const caller = room ? room.name : _t("Unknown caller");