Device manager - contextual menus (#9832)

* add session count to current session contextual signout

* add contextual menu to other sessions section

* typo

* i18n

* strict

src/components/views/settings/devices/OtherSessionsSectionHeading.tsx

@@ -0,0 +1,56 @@
+/*
+Copyright 2022 The Matrix.org Foundation C.I.C.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+import React from "react";
+
+import { _t } from "../../../../languageHandler";
+import { KebabContextMenu } from "../../context_menus/KebabContextMenu";
+import { SettingsSubsectionHeading } from "../shared/SettingsSubsectionHeading";
+import { IconizedContextMenuOption } from "../../context_menus/IconizedContextMenu";
+
+interface Props {
+    // total count of other sessions
+    // excludes current sessions
+    // not affected by filters
+    otherSessionsCount: number;
+    disabled?: boolean;
+    signOutAllOtherSessions: () => void;
+}
+
+export const OtherSessionsSectionHeading: React.FC<Props> = ({
+    otherSessionsCount,
+    disabled,
+    signOutAllOtherSessions,
+}) => {
+    const menuOptions = [
+        <IconizedContextMenuOption
+            key="sign-out-all-others"
+            label={_t("Sign out of %(count)s sessions", { count: otherSessionsCount })}
+            onClick={signOutAllOtherSessions}
+            isDestructive
+        />,
+    ];
+    return (
+        <SettingsSubsectionHeading heading={_t("Other sessions")}>
+            <KebabContextMenu
+                disabled={disabled}
+                title={_t("Options")}
+                options={menuOptions}
+                data-testid="other-sessions-menu"
+            />
+        </SettingsSubsectionHeading>
+    );
+};