Rework dialog and add native FocusScope

src/App.native.tsx

@@ -72,6 +72,7 @@ import {useStarterPackEntry} from '#/components/hooks/useStarterPackEntry'
 import {Provider as IntentDialogProvider} from '#/components/intents/IntentDialogs'
 import {Provider as PortalProvider} from '#/components/Portal'
 import {Provider as VideoVolumeProvider} from '#/components/Post/Embed/VideoEmbed/VideoVolumeContext'
+import {Provider as BlockingAnnouncementsPortalProvider} from '#/components/dialogs/BlockingAnnouncements'
 import {Splash} from '#/Splash'
 import {BottomSheetProvider} from '../modules/bottom-sheet'
 import {BackgroundNotificationPreferencesProvider} from '../modules/expo-background-notification-handler/src/BackgroundNotificationHandlerProvider'
@@ -220,16 +221,18 @@ function App() {
                     <ModalStateProvider>
                       <DialogStateProvider>
                         <LightboxStateProvider>
-                          <PortalProvider>
+                          <BlockingAnnouncementsPortalProvider>
-                            <BottomSheetProvider>
+                            <PortalProvider>
-                              <StarterPackProvider>
+                              <BottomSheetProvider>
-                                <SafeAreaProvider
+                                <StarterPackProvider>
-                                  initialMetrics={initialWindowMetrics}>
+                                  <SafeAreaProvider
-                                  <InnerApp />
+                                    initialMetrics={initialWindowMetrics}>
-                                </SafeAreaProvider>
+                                    <InnerApp />
-                              </StarterPackProvider>
+                                  </SafeAreaProvider>
-                            </BottomSheetProvider>
+                                </StarterPackProvider>
-                          </PortalProvider>
+                              </BottomSheetProvider>
+                            </PortalProvider>
+                          </BlockingAnnouncementsPortalProvider>
                         </LightboxStateProvider>
                       </DialogStateProvider>
                     </ModalStateProvider>

src/App.web.tsx

@@ -60,6 +60,7 @@ import {Provider as IntentDialogProvider} from '#/components/intents/IntentDialo
 import {Provider as PortalProvider} from '#/components/Portal'
 import {Provider as ActiveVideoProvider} from '#/components/Post/Embed/VideoEmbed/ActiveVideoWebContext'
 import {Provider as VideoVolumeProvider} from '#/components/Post/Embed/VideoEmbed/VideoVolumeContext'
+import {Provider as BlockingAnnouncementsPortalProvider} from '#/components/dialogs/BlockingAnnouncements'
 import {ToastContainer} from '#/components/Toast'
 import {BackgroundNotificationPreferencesProvider} from '../modules/expo-background-notification-handler/src/BackgroundNotificationHandlerProvider'
 import {Provider as HideBottomBarBorderProvider} from './lib/hooks/useHideBottomBarBorder'
@@ -196,11 +197,13 @@ function App() {
                   <ModalStateProvider>
                     <DialogStateProvider>
                       <LightboxStateProvider>
+                        <BlockingAnnouncementsPortalProvider>
                         <PortalProvider>
                           <StarterPackProvider>
                             <InnerApp />
                           </StarterPackProvider>
                         </PortalProvider>
+                        </BlockingAnnouncementsPortalProvider>
                       </LightboxStateProvider>
                     </DialogStateProvider>
                   </ModalStateProvider>

src/components/FocusScope/index.tsx

@@ -0,0 +1,106 @@
+import {
+  Children,
+  cloneElement,
+  ReactNode,
+  useRef,
+  useMemo,
+  useCallback,
+  useEffect,
+  isValidElement,
+  FunctionComponentElement,
+} from 'react'
+import {
+  AccessibilityInfo,
+  Pressable,
+  View,
+  Text,
+  findNodeHandle,
+} from 'react-native'
+import {msg} from '@lingui/macro'
+import {useLingui} from '@lingui/react'
+
+import {useA11y} from '#/state/a11y'
+
+export function FocusScope({children}: {children: ReactNode}) {
+  const {screenReaderEnabled} = useA11y()
+
+  return screenReaderEnabled ? <FocusTrap>{children}</FocusTrap> : children
+}
+
+function FocusTrap({children}: {children: ReactNode}) {
+  const {_} = useLingui()
+  const child = useRef<View>(null)
+
+  const content = useMemo(() => {
+    return Children.toArray(children).map((node, i) => {
+      if (i === 0 && isValidElement(node)) {
+        return cloneElement(node as FunctionComponentElement<any>, {
+          ref: child,
+        })
+      }
+      return node
+    })
+  }, [children])
+
+  const focus = useCallback((ref: View | null) => {
+    if (!ref) return
+    const node = findNodeHandle(ref)
+    if (node) {
+      AccessibilityInfo.setAccessibilityFocus(node)
+    }
+  }, [])
+
+  useEffect(() => {
+    setTimeout(() => {
+      focus(child.current)
+    }, 1e3)
+  }, [focus])
+
+  return (
+    <>
+      <Pressable
+        accessible
+        accessibilityLabel={_(
+          msg`You've reached the start of the active content. Please go back, or activate to focus the first item.`,
+        )}
+        accessibilityActions={[{name: 'activate', label: 'activate'}]}
+        onAccessibilityAction={event => {
+          switch (event.nativeEvent.actionName) {
+            case 'activate': {
+              focus(child.current)
+            }
+          }
+        }}>
+        <Noop />
+      </Pressable>
+      {content}
+      <Pressable
+        accessibilityLabel={_(
+          msg`You've reached the end of the active content. Please go back, or activate to go back to the beginning.`,
+        )}
+        accessibilityActions={[{name: 'activate', label: 'activate'}]}
+        onAccessibilityAction={event => {
+          switch (event.nativeEvent.actionName) {
+            case 'activate': {
+              focus(child.current)
+            }
+          }
+        }}>
+        <Noop />
+      </Pressable>
+    </>
+  )
+}
+
+function Noop() {
+  return (
+    <Text
+      accessible={false}
+      style={{
+        height: 1,
+        opacity: 0,
+      }}>
+      {' '}
+    </Text>
+  )
+}

src/components/dialogs/BlockingAnnouncements/AnnouncementDialog.tsx

@@ -5,7 +5,8 @@ import {View, ScrollView, useWindowDimensions} from 'react-native'
 import {useSafeAreaInsets} from 'react-native-safe-area-context'
 import {LinearGradient} from 'expo-linear-gradient'
 
-import {isNative} from '#/platform/detection'
+import {FocusScope} from '#/components/FocusScope'
+import {isNative, isAndroid} from '#/platform/detection'
 import {atoms as a, useTheme, useBreakpoints, web, flatten} from '#/alf'
 import {transparentifyColor} from '#/alf/util/colorGeneration'
 import {useA11y} from '#/state/a11y'
@@ -49,7 +50,7 @@ export function AnnouncementDialog({
   const insets = useSafeAreaInsets()
 
   return (
-    <>
+    <View style={[a.fixed, a.inset_0, {zIndex: 9999}]}>
       <View style={[a.fixed, a.inset_0, !reduceMotionEnabled && a.fade_in]}>
         <LinearGradient
           colors={[
@@ -94,8 +95,6 @@ export function AnnouncementDialog({
               },
             ],
           ]}>
-          {/* <FocusScope.FocusScope loop asChild trapped> */}
-
           {!gtPhone && (
             <View
               style={[
@@ -117,31 +116,33 @@ export function AnnouncementDialog({
             </View>
           )}
 
-          <View
+          <FocusScope>
-            role="dialog"
+            <View
-            aria-role="dialog"
+              accessible={isAndroid}
-            aria-label={label}
+              role="dialog"
-            style={flatten([
+              aria-role="dialog"
-              a.relative,
+              aria-label={label}
-              a.w_full,
+              style={flatten([
-              a.p_2xl,
+                a.relative,
-              t.atoms.bg,
+                a.w_full,
-              !reduceMotionEnabled && a.zoom_fade_in,
+                a.p_2xl,
-              gtPhone && [
+                t.atoms.bg,
-                a.rounded_md,
+                !reduceMotionEnabled && a.zoom_fade_in,
-                a.border,
+                gtPhone && [
-                t.atoms.shadow_lg,
+                  a.rounded_md,
-                t.atoms.border_contrast_low,
+                  a.border,
-                web({
+                  t.atoms.shadow_lg,
-                  maxWidth: 420,
+                  t.atoms.border_contrast_low,
-                }),
+                  web({
-              ],
+                    maxWidth: 420,
-            ])}>
+                  }),
-            {children}
+                ],
-          </View>
+              ])}>
-          {/* </FocusScope.FocusScope> */}
+              {children}
+            </View>
+          </FocusScope>
         </View>
       </ScrollView>
-    </>
+    </View>
   )
 }

src/components/dialogs/BlockingAnnouncements/PolicyUpdate20250801.tsx

@@ -12,7 +12,10 @@ import {
 } from '#/components/dialogs/BlockingAnnouncements/common'
 import {InlineLinkText} from '#/components/Link'
 import {Span, Text} from '#/components/Typography'
-import {AnnouncementDialog, useAnnouncementDialogContext} from '#/components/dialogs/BlockingAnnouncements/AnnouncementDialog'
+import {
+  AnnouncementDialog,
+  useAnnouncementDialogContext,
+} from '#/components/dialogs/BlockingAnnouncements/AnnouncementDialog'
 
 export function useLocalState() {
   return useAnnouncementState({
@@ -111,6 +114,8 @@ export function Announcement() {
         <View style={[a.w_full, a.gap_md]}>
           <Button
             label={_(msg`Continue`)}
+            accessibilityHint={_(msg`Tap to acknowledge that you understand and
+                  agree to these updates and continue using Bluesky`)}
             color="primary"
             size="large"
             onPress={handleClose}>

src/components/dialogs/BlockingAnnouncements/index.tsx

@@ -1,5 +1,12 @@
 import {AnnouncementDialogOuter} from '#/components/dialogs/BlockingAnnouncements/AnnouncementDialog'
 import * as PolicyUpdate20250801 from '#/components/dialogs/BlockingAnnouncements/PolicyUpdate20250801'
+import {createPortalGroup} from '#/components/Portal'
+
+const portalGroup = createPortalGroup()
+
+export const Provider = portalGroup.Provider
+export const Outlet = portalGroup.Outlet
+export const Portal = portalGroup.Portal
 
 export function BlockingAnnouncements() {
   const policyUpdate20250801 = PolicyUpdate20250801.useLocalState()
@@ -12,8 +19,10 @@ export function BlockingAnnouncements() {
   if (policyUpdate20250801.completed) return null
 
   return (
-    <AnnouncementDialogOuter>
+    <Portal>
-      <PolicyUpdate20250801.Announcement />
+      <AnnouncementDialogOuter>
-    </AnnouncementDialogOuter>
+        <PolicyUpdate20250801.Announcement />
+      </AnnouncementDialogOuter>
+    </Portal>
   )
 }

src/view/shell/createNativeStackNavigatorWithAuth.tsx

@@ -43,6 +43,7 @@ import {atoms as a, useLayoutBreakpoints} from '#/alf'
 import {BottomBarWeb} from './bottom-bar/BottomBarWeb'
 import {DesktopLeftNav} from './desktop/LeftNav'
 import {DesktopRightNav} from './desktop/RightNav'
+import {BlockingAnnouncements} from '#/components/dialogs/BlockingAnnouncements'
 
 type NativeStackNavigationOptionsWithAuth = NativeStackNavigationOptions & {
   requireAuth?: boolean
@@ -167,6 +168,7 @@ function NativeStackNavigator({
           {!isMobile && <DesktopRightNav routeName={activeRoute.name} />}
         </>
       )}
+      <BlockingAnnouncements />
     </NavigationContent>
   )
 }

src/view/shell/index.tsx

@@ -26,13 +26,13 @@ import {ErrorBoundary} from '#/view/com/util/ErrorBoundary'
 import {atoms as a, select, useTheme} from '#/alf'
 import {setSystemUITheme} from '#/alf/util/systemUI'
 import {AgeAssuranceRedirectDialog} from '#/components/ageAssurance/AgeAssuranceRedirectDialog'
-import {BlockingAnnouncements} from '#/components/dialogs/BlockingAnnouncements'
 import {EmailDialog} from '#/components/dialogs/EmailDialog'
 import {InAppBrowserConsentDialog} from '#/components/dialogs/InAppBrowserConsent'
 import {LinkWarningDialog} from '#/components/dialogs/LinkWarning'
 import {MutedWordsDialog} from '#/components/dialogs/MutedWords'
 import {SigninDialog} from '#/components/dialogs/Signin'
 import {Outlet as PortalOutlet} from '#/components/Portal'
+import {Outlet as BlockingAccouncementsPortalOutlet} from '#/components/dialogs/BlockingAnnouncements'
 import {RoutesContainer, TabsNavigator} from '#/Navigation'
 import {BottomSheetOutlet} from '../../../modules/bottom-sheet'
 import {updateActiveViewAsync} from '../../../modules/expo-bluesky-swiss-army/src/VisibilityView'
@@ -163,7 +163,9 @@ function ShellInner() {
       <Lightbox />
       <PortalOutlet />
       <BottomSheetOutlet />
-      <BlockingAnnouncements />
+
+      {/* MUST BE LAST */}
+      <BlockingAccouncementsPortalOutlet />
     </>
   )
 }

src/view/shell/index.web.tsx

@@ -18,7 +18,7 @@ import {ModalsContainer} from '#/view/com/modals/Modal'
 import {ErrorBoundary} from '#/view/com/util/ErrorBoundary'
 import {atoms as a, select, useTheme} from '#/alf'
 import {AgeAssuranceRedirectDialog} from '#/components/ageAssurance/AgeAssuranceRedirectDialog'
-import {BlockingAnnouncements} from '#/components/dialogs/BlockingAnnouncements'
+import {Outlet as BlockingAccouncementsPortalOutlet} from '#/components/dialogs/BlockingAnnouncements'
 import {EmailDialog} from '#/components/dialogs/EmailDialog'
 import {LinkWarningDialog} from '#/components/dialogs/LinkWarning'
 import {MutedWordsDialog} from '#/components/dialogs/MutedWords'
@@ -115,7 +115,8 @@ function ShellInner() {
         </>
       )}
 
-      <BlockingAnnouncements />
+      {/* MUST BE LAST */}
+      <BlockingAccouncementsPortalOutlet />
     </>
   )
 }