Active private receipt support

src/app/organisms/settings/Settings.jsx

@@ -7,7 +7,7 @@ import settings from '../../../client/state/settings';
 import navigation from '../../../client/state/navigation';
 import {
   toggleSystemTheme, toggleMarkdown, toggleMembershipEvents, toggleNickAvatarEvents,
-  toggleNotifications, toggleNotificationSounds,
+  toggleNotifications, toggleNotificationSounds, toggleReadReceipts,
 } from '../../../client/action/settings';
 import { usePermission } from '../../hooks/usePermission';
 
@@ -44,6 +44,10 @@ import CrossIC from '../../../../public/res/ic/outlined/cross.svg';
 import CinnySVG from '../../../../public/res/svg/cinny.svg';
 import { confirmDialog } from '../../molecules/confirm-dialog/ConfirmDialog';
 
+let capabilities = {
+  privateReadReceipts: false,
+};
+
 function AppearanceSection() {
   const [, updateState] = useState({});
 
@@ -188,6 +192,7 @@ function EmojiSection() {
 }
 
 function SecuritySection() {
+  const [, updateState] = useState({});
   return (
     <div className="settings-security">
       <div className="settings-security__card">
@@ -217,6 +222,33 @@ function SecuritySection() {
           )}
         />
       </div>
+      <div className="settings-security__card">
+        <MenuHeader>Presence</MenuHeader>
+        <SettingTile
+          title="Send read receipts"
+          options={(
+            <Toggle
+              /** Always allow to switch receipts on. */
+              disabled={!capabilities.privateReadReceipts && settings.sendReadReceipts}
+              isActive={settings.sendReadReceipts}
+              onToggle={() => { toggleReadReceipts(); updateState({}); }}
+            />
+          )}
+          content={(
+            <>
+              <Text variant="b3">
+                Let other people know what messages you read.
+              </Text>
+              {!capabilities.privateReadReceipts
+                && (
+                <Text variant="b3">
+                  Making your read receipts private requires a compatible homeserver.
+                </Text>
+                )}
+            </>
+          )}
+        />
+      </div>
     </div>
   );
 }
@@ -320,9 +352,20 @@ function useWindowToggle(setSelectedTab) {
   return [isOpen, requestClose];
 }
 
+async function getCapabilities() {
+  const mx = initMatrix.matrixClient;
+  capabilities = {
+    privateReadReceipts: (await (Promise.all([
+      mx.doesServerSupportUnstableFeature('org.matrix.msc2285.stable'),
+      mx.isVersionSupported('v1.4')])
+    )).some((res) => res === true),
+  };
+}
+
 function Settings() {
   const [selectedTab, setSelectedTab] = useState(tabItems[0]);
   const [isOpen, requestClose] = useWindowToggle(setSelectedTab);
+  useEffect(getCapabilities, []);
 
   const handleTabChange = (tabItem) => setSelectedTab(tabItem);
   const handleLogout = async () => {

src/client/action/notifications.js

@@ -1,4 +1,10 @@
 import initMatrix from '../initMatrix';
+import settings from '../state/settings';
+
+const ReceiptType = {
+  Read: 'm.read',
+  ReadPrivate: 'm.read.private',
+};
 
 // eslint-disable-next-line import/prefer-default-export
 export async function markAsRead(roomId) {
@@ -22,5 +28,6 @@ export async function markAsRead(roomId) {
   const latestEvent = getLatestValidEvent();
   if (latestEvent === null) return;
 
-  await mx.sendReadReceipt(latestEvent);
+  const receiptType = settings.sendReadReceipts ? ReceiptType.Read : ReceiptType.ReadPrivate;
+  await mx.sendReadReceipt(latestEvent, receiptType);
 }

src/client/action/settings.js

@@ -42,3 +42,9 @@ export function toggleNotificationSounds() {
     type: cons.actions.settings.TOGGLE_NOTIFICATION_SOUNDS,
   });
 }
+
+export function toggleReadReceipts() {
+  appDispatcher.dispatch({
+    type: cons.actions.settings.TOGGLE_READ_RECEIPTS,
+  });
+}

src/client/state/cons.js

@@ -78,6 +78,7 @@ const cons = {
       TOGGLE_NICKAVATAR_EVENT: 'TOGGLE_NICKAVATAR_EVENT',
       TOGGLE_NOTIFICATIONS: 'TOGGLE_NOTIFICATIONS',
       TOGGLE_NOTIFICATION_SOUNDS: 'TOGGLE_NOTIFICATION_SOUNDS',
+      TOGGLE_READ_RECEIPTS: 'TOGGLE_READ_RECEIPTS',
     },
   },
   events: {
@@ -150,6 +151,7 @@ const cons = {
       NICKAVATAR_EVENTS_TOGGLED: 'NICKAVATAR_EVENTS_TOGGLED',
       NOTIFICATIONS_TOGGLED: 'NOTIFICATIONS_TOGGLED',
       NOTIFICATION_SOUNDS_TOGGLED: 'NOTIFICATION_SOUNDS_TOGGLED',
+      READ_RECEIPTS_TOGGLED: 'READ_RECEIPTS_TOGGLED',
     },
   },
 };

src/client/state/settings.js

@@ -30,6 +30,7 @@ class Settings extends EventEmitter {
     this.hideNickAvatarEvents = this.getHideNickAvatarEvents();
     this._showNotifications = this.getShowNotifications();
     this.isNotificationSounds = this.getIsNotificationSounds();
+    this.sendReadReceipts = this.getSendReadReceipts();
 
     this.isTouchScreenDevice = ('ontouchstart' in window) || (navigator.maxTouchPoints > 0) || (navigator.msMaxTouchPoints > 0);
   }
@@ -147,6 +148,15 @@ class Settings extends EventEmitter {
     return settings.isNotificationSounds;
   }
 
+  getSendReadReceipts() {
+    if (typeof this.sendReadReceipts === 'boolean') return this.sendReadReceipts;
+
+    const settings = getSettings();
+    if (settings === null) return true;
+    if (typeof settings.sendReadReceipts === 'undefined') return true;
+    return settings.sendReadReceipts;
+  }
+
   setter(action) {
     const actions = {
       [cons.actions.settings.TOGGLE_SYSTEM_THEME]: () => {
@@ -186,6 +196,11 @@ class Settings extends EventEmitter {
         setSettings('isNotificationSounds', this.isNotificationSounds);
         this.emit(cons.events.settings.NOTIFICATION_SOUNDS_TOGGLED, this.isNotificationSounds);
       },
+      [cons.actions.settings.TOGGLE_READ_RECEIPTS]: () => {
+        this.sendReadReceipts = !this.sendReadReceipts;
+        setSettings('sendReadReceipts', this.sendReadReceipts);
+        this.emit(cons.events.settings.READ_RECEIPTS_TOGGLED, this.sendReadReceipts);
+      },
     };
 
     actions[action.type]?.();