fix: let TalkBack read the unified inbox row as its name and unread count

src/components/SidebarDrawer.tsx

@@ -49,6 +49,7 @@ import {
 import { serverSupportsEmailPush } from '../lib/push-notifications';
 import { mailboxIconKind, type MailboxIconKind } from '../lib/mailbox-icon';
 import { useSheetBottomInset } from '../lib/sheet-bottom-inset';
+import { unreadRowLabel } from '../lib/unread-row-label';
 
 const CHEVRON_SLOT = 20;
 const INDENT_STEP = 12;
@@ -171,9 +172,7 @@ function SidebarRow({
   const leftPad = ROW_PX_BASE + depth * INDENT_STEP;
   // Which folder is open, and the unread count with the folder's name
   // ("Inbox, 3 unread"), for screen readers (webmail 7c282f1f4).
-  const accessibleName = unread > 0 && !isAccountHeader
-    ? t('shell.name_unread', '{name}, {count} unread', { name: label, count: unread })
-    : label;
+  const accessibleName = isAccountHeader ? label : unreadRowLabel(label, unread, t);
   return (
     <Pressable
       onPress={onPress}
@@ -720,6 +719,9 @@ export default function SidebarDrawer({ visible, onClose, docked = false }: Side
   // account's (own + shared) plus, cross-account, the tucked-away snapshots
   // of the other accounts.
   const hasSharedInbox = mailboxes.some((m) => m.isShared && m.role === 'inbox');
+  const unifiedInboxLabel = unifiedCrossAccount && accounts.length > 1
+    ? t('sidebar.all_accounts', 'All accounts')
+    : t('sidebar.unified_inbox', 'All inboxes');
   const showUnified = showUnifiedSection({
     accountCount: accounts.length, unifiedCrossAccount, includeGroupInUnified, hasSharedInbox,
   });
@@ -1047,13 +1049,13 @@ export default function SidebarDrawer({ visible, onClose, docked = false }: Side
             <Pressable
               style={({ pressed }) => [styles.quickRow, pressed && styles.rowPressed]}
               onPress={() => { onClose(); navigation.navigate('UnifiedInbox', { role: 'inbox' }); }}
+              // A name of its own, like a folder row: else TalkBack read its
+              // texts one by one ("All inboxes, /, 9").
+              accessibilityRole="button"
+              accessibilityLabel={unreadRowLabel(unifiedInboxLabel, unifiedCounts.inbox.unread, t)}
             >
               <Layers size={16} color={c.textSecondary} />
-              <Text style={styles.quickRowLabel}>
-                {unifiedCrossAccount && accounts.length > 1
-                  ? t('sidebar.all_accounts', 'All accounts')
-                  : t('sidebar.unified_inbox', 'All inboxes')}
-              </Text>
+              <Text style={styles.quickRowLabel}>{unifiedInboxLabel}</Text>
               <View style={{ flex: 1 }} />
               <RowCounts unread={unifiedCounts.inbox.unread} total={unifiedCounts.inbox.total} showTotal={showFolderTotalCount} />
             </Pressable>

src/lib/__tests__/unread-row-label.test.ts

@@ -0,0 +1,30 @@
+import { describe, expect, it, vi } from 'vitest';
+import fs from 'node:fs';
+import path from 'node:path';
+
+vi.mock('expo-localization', () => ({ getLocales: () => [] }));
+
+import { translate } from '../../i18n';
+import { unreadRowLabel } from '../unread-row-label';
+
+const tEn = (key: string, fallback?: string, params?: Record<string, string | number>) => translate('en', key, fallback, params);
+
+describe('unreadRowLabel', () => {
+  it('says the unread count after the name', () => {
+    expect(unreadRowLabel('All inboxes', 9, tEn)).toBe('All inboxes, 9 unread');
+    expect(unreadRowLabel('All inboxes', 0, tEn)).toBe('All inboxes');
+  });
+});
+
+describe('the sidebar Unified Inbox row', () => {
+  // TalkBack read it as "All inboxes, /, 9": no label, so the row's texts
+  // (the name and RowCounts' unread / total) one by one.
+  it('is a button named by its label and unread count', () => {
+    const source = fs.readFileSync(path.resolve(__dirname, '../../components/SidebarDrawer.tsx'), 'utf8');
+    const start = source.indexOf('{showUnified && (');
+    const row = source.slice(start, source.indexOf('</Pressable>', start));
+    expect(row).toContain("navigation.navigate('UnifiedInbox', { role: 'inbox' })");
+    expect(row).toMatch(/accessibilityRole="button"/);
+    expect(row).toMatch(/accessibilityLabel=\{unreadRowLabel\(unifiedInboxLabel, unifiedCounts\.inbox\.unread, t\)\}/);
+  });
+});

src/lib/unread-row-label.ts

@@ -0,0 +1,11 @@
+type Translate = (key: string, fallback?: string, params?: Record<string, string | number>) => string;
+
+/**
+ * What a screen reader calls a folder or view row: its name, with the unread
+ * count when there is unread mail ("Inbox, 3 unread"; webmail 7c282f1f4).
+ * Without a label of its own a row reads its texts one by one, so the
+ * Unified Inbox row came out as "All inboxes, /, 9".
+ */
+export function unreadRowLabel(name: string, unread: number, t: Translate): string {
+  return unread > 0 ? t('shell.name_unread', '{name}, {count} unread', { name, count: unread }) : name;
+}