Add preferences tab for choosing to enable timer.

src/Modal.module.css

@@ -12,7 +12,7 @@ Please see LICENSE in the repository root for full details.
 
 .dialog {
   box-sizing: border-box;
-  inline-size: 520px;
+  inline-size: 580px;
   max-inline-size: 90%;
   max-block-size: 600px;
 }

src/settings/PreferencesSettingsTab.tsx

@@ -0,0 +1,53 @@
+/*
+Copyright 2022-2024 New Vector Ltd.
+
+SPDX-License-Identifier: AGPL-3.0-only
+Please see LICENSE in the repository root for full details.
+*/
+
+import { ChangeEvent, FC, useCallback } from "react";
+import { useTranslation } from "react-i18next";
+import { Text } from "@vector-im/compound-web";
+
+import { FieldRow, InputField } from "../input/Input";
+import {
+  showHandRaisedTimer as showHandRaisedTimerSetting,
+  useSetting,
+} from "./settings";
+
+interface Props {
+  roomId?: string;
+}
+
+export const PreferencesSettingsTab: FC<Props> = ({}) => {
+  const { t } = useTranslation();
+  const [showHandRaisedTimer, setShowHandRaisedTimer] = useSetting(
+    showHandRaisedTimerSetting,
+  );
+
+  const onChangeSetting = useCallback(
+    (e: ChangeEvent<HTMLInputElement>) => {
+      setShowHandRaisedTimer(e.target.checked);
+    },
+    [setShowHandRaisedTimer],
+  );
+
+  return (
+    <div>
+      <h4>{t("settings.preferences_tab_h4")}</h4>
+      <Text>{t("settings.preferences_tab_body")}</Text>
+      <FieldRow>
+        <InputField
+          id="showHandRaisedTimer"
+          label={t("settings.preferences_tab_show_hand_raised_timer_label")}
+          description={t(
+            "settings.preferences_tab_show_hand_raised_timer_description",
+          )}
+          type="checkbox"
+          checked={showHandRaisedTimer}
+          onChange={onChangeSetting}
+        />
+      </FieldRow>
+    </div>
+  );
+};

src/settings/SettingsModal.tsx

@@ -30,11 +30,13 @@ import {
   useOptInAnalytics,
 } from "./settings";
 import { isFirefox } from "../Platform";
+import { PreferencesSettingsTab } from "./PreferencesSettingsTab";
 
 type SettingsTab =
   | "audio"
   | "video"
   | "profile"
+  | "preferences"
   | "feedback"
   | "more"
   | "developer";
@@ -135,6 +137,12 @@ export const SettingsModal: FC<Props> = ({
     content: generateDeviceSelection(devices.videoInput, t("common.camera")),
   };
 
+  const preferencesTab: Tab<SettingsTab> = {
+    key: "preferences",
+    name: t("common.preferences"),
+    content: <PreferencesSettingsTab />,
+  };
+
   const profileTab: Tab<SettingsTab> = {
     key: "profile",
     name: t("common.profile"),
@@ -234,7 +242,7 @@ export const SettingsModal: FC<Props> = ({
 
   const tabs = [audioTab, videoTab];
   if (widget === null) tabs.push(profileTab);
-  tabs.push(feedbackTab, moreTab);
+  tabs.push(preferencesTab, feedbackTab, moreTab);
   if (developerSettingsTab) tabs.push(developerTab);
 
   return (