Add sign out button to settings profile section

res/css/views/settings/_UserProfileSettings.pcss

@@ -49,6 +49,8 @@ limitations under the License.
     }
 
     .mx_UserProfileSettings_profile_buttons {
+        display: flex;
+        gap: var(--cpd-space-4x);
         margin-top: var(--cpd-space-8x);
         margin-bottom: var(--cpd-space-8x);
     }

src/Modal.tsx

@@ -22,9 +22,10 @@ import { defer, sleep } from "matrix-js-sdk/src/utils";
 import { TypedEventEmitter } from "matrix-js-sdk/src/matrix";
 import { Glass } from "@vector-im/compound-web";
 
-import dis from "./dispatcher/dispatcher";
+import dis, { defaultDispatcher } from "./dispatcher/dispatcher";
 import AsyncWrapper from "./AsyncWrapper";
 import { Defaultize } from "./@types/common";
+import { ActionPayload } from "./dispatcher/payloads";
 
 const DIALOG_CONTAINER_ID = "mx_Dialog_Container";
 const STATIC_DIALOG_CONTAINER_ID = "mx_Dialog_StaticContainer";
@@ -111,6 +112,19 @@ export class ModalManager extends TypedEventEmitter<ModalManagerEvent, HandlerMa
         return container;
     }
 
+    public constructor() {
+        super();
+
+        // We never unregister this: it's a singleton. An instance could be instantiated, in theory...
+        defaultDispatcher.register(this.onAction);
+    }
+
+    private onAction = (payload: ActionPayload): void => {
+        if (payload.action === "logout") {
+            this.closeCurrentModal();
+        }
+    };
+
     public toggleCurrentDialogVisibility(): void {
         const modal = this.getCurrentModal();
         if (!modal) return;

src/components/structures/UserMenu.tsx

@@ -27,7 +27,7 @@ import { UserTab } from "../views/dialogs/UserTab";
 import { OpenToTabPayload } from "../../dispatcher/payloads/OpenToTabPayload";
 import FeedbackDialog from "../views/dialogs/FeedbackDialog";
 import Modal from "../../Modal";
-import LogoutDialog from "../views/dialogs/LogoutDialog";
+import LogoutDialog, { shouldShowLogoutDialog } from "../views/dialogs/LogoutDialog";
 import SettingsStore from "../../settings/SettingsStore";
 import { findHighContrastTheme, getCustomTheme, isHighContrastTheme } from "../../theme";
 import { RovingAccessibleButton } from "../../accessibility/RovingTabIndex";
@@ -288,7 +288,7 @@ export default class UserMenu extends React.Component<IProps, IState> {
         ev.preventDefault();
         ev.stopPropagation();
 
-        if (await this.shouldShowLogoutDialog()) {
+        if (await shouldShowLogoutDialog(MatrixClientPeg.safeGet())) {
             Modal.createDialog(LogoutDialog);
         } else {
             defaultDispatcher.dispatch({ action: "logout" });
@@ -297,27 +297,6 @@ export default class UserMenu extends React.Component<IProps, IState> {
         this.setState({ contextMenuPosition: null }); // also close the menu
     };
 
-    /**
-     * Checks if the `LogoutDialog` should be shown instead of the simple logout flow.
-     * The `LogoutDialog` will check the crypto recovery status of the account and
-     * help the user setup recovery properly if needed.
-     * @private
-     */
-    private async shouldShowLogoutDialog(): Promise<boolean> {
-        const cli = MatrixClientPeg.get();
-        const crypto = cli?.getCrypto();
-        if (!crypto) return false;
-
-        // If any room is encrypted, we need to show the advanced logout flow
-        const allRooms = cli!.getRooms();
-        for (const room of allRooms) {
-            const isE2e = await crypto.isEncryptionEnabledInRoom(room.roomId);
-            if (isE2e) return true;
-        }
-
-        return false;
-    }
-
     private onSignInClick = (): void => {
         defaultDispatcher.dispatch({ action: "start_login" });
         this.setState({ contextMenuPosition: null }); // also close the menu

src/components/views/dialogs/LogoutDialog.tsx

@@ -17,6 +17,7 @@ limitations under the License.
 
 import React from "react";
 import { logger } from "matrix-js-sdk/src/logger";
+import { MatrixClient } from "matrix-js-sdk/src/matrix";
 
 import type CreateKeyBackupDialog from "../../../async-components/views/dialogs/security/CreateKeyBackupDialog";
 import type ExportE2eKeysDialog from "../../../async-components/views/dialogs/security/ExportE2eKeysDialog";
@@ -58,6 +59,25 @@ interface IState {
     backupStatus: BackupStatus;
 }
 
+/**
+ * Checks if the `LogoutDialog` should be shown instead of the simple logout flow.
+ * The `LogoutDialog` will check the crypto recovery status of the account and
+ * help the user setup recovery properly if needed.
+ */
+export async function shouldShowLogoutDialog(cli: MatrixClient): Promise<boolean> {
+    const crypto = cli?.getCrypto();
+    if (!crypto) return false;
+
+    // If any room is encrypted, we need to show the advanced logout flow
+    const allRooms = cli!.getRooms();
+    for (const room of allRooms) {
+        const isE2e = await crypto.isEncryptionEnabledInRoom(room.roomId);
+        if (isE2e) return true;
+    }
+
+    return false;
+}
+
 export default class LogoutDialog extends React.Component<IProps, IState> {
     public static defaultProps = {
         onFinished: function () {},

src/components/views/settings/UserProfileSettings.tsx

@@ -18,6 +18,7 @@ import React, { ChangeEvent, useCallback, useEffect, useMemo, useState } from "r
 import { logger } from "matrix-js-sdk/src/logger";
 import { EditInPlace, Alert, ErrorMessage } from "@vector-im/compound-web";
 import { Icon as PopOutIcon } from "@vector-im/compound-design-tokens/icons/pop-out.svg";
+import { Icon as SignOutIcon } from "@vector-im/compound-design-tokens/icons/sign-out.svg";
 
 import { _t } from "../../../languageHandler";
 import { OwnProfileStore } from "../../../stores/OwnProfileStore";
@@ -31,6 +32,9 @@ import { useId } from "../../../utils/useId";
 import CopyableText from "../elements/CopyableText";
 import { useMatrixClientContext } from "../../../contexts/MatrixClientContext";
 import AccessibleButton from "../elements/AccessibleButton";
+import LogoutDialog, { shouldShowLogoutDialog } from "../dialogs/LogoutDialog";
+import Modal from "../../../Modal";
+import defaultDispatcher from "../../../dispatcher/dispatcher";
 
 const SpinnerToast: React.FC = ({ children }) => (
     <>
@@ -76,6 +80,25 @@ const ManageAccountButton: React.FC<ManageAccountButtonProps> = ({ externalAccou
     </AccessibleButton>
 );
 
+const SignOutButton: React.FC = () => {
+    const client = useMatrixClientContext();
+
+    const onClick = useCallback(async () => {
+        if (await shouldShowLogoutDialog(client)) {
+            Modal.createDialog(LogoutDialog);
+        } else {
+            defaultDispatcher.dispatch({ action: "logout" });
+        }
+    }, [client]);
+
+    return (
+        <AccessibleButton onClick={onClick} element="a" kind="danger_outline">
+            <SignOutIcon className="mx_UserProfileSettings_accountmanageIcon" width="24" height="24" />
+            {_t("action|sign_out")}
+        </AccessibleButton>
+    );
+};
+
 interface UserProfileSettingsProps {
     // The URL to redirect the user to in order to manage their account.
     externalAccountManagementUrl?: string;
@@ -219,11 +242,12 @@ const UserProfileSettings: React.FC<UserProfileSettingsProps> = ({
                 </Alert>
             )}
             {userIdentifier && <UsernameBox username={userIdentifier} />}
-            {externalAccountManagementUrl && (
-                <div className="mx_UserProfileSettings_profile_buttons">
+            <div className="mx_UserProfileSettings_profile_buttons">
+                {externalAccountManagementUrl && (
                     <ManageAccountButton externalAccountManagementUrl={externalAccountManagementUrl} />
-                </div>
-            )}
+                )}
+                <SignOutButton />
+            </div>
         </div>
     );
 };