[Experiment] Remove "Load Latest" button (#7120)

* Remove "show latest" behind the gate

* Add HomeBadgeProvider

* Update provider state from home feed tabs

* Add Home badge to native

* Add Home badge to mobile web

* Add Home badge to desktop web

3 files changed, 40 insertions, 10 deletions

diff --git a/src/view/shell/bottom-bar/BottomBar.tsx b/src/view/shell/bottom-bar/BottomBar.tsx
index db9c04965..47a525c04 100644
--- a/src/view/shell/bottom-bar/BottomBar.tsx
+++ b/src/view/shell/bottom-bar/BottomBar.tsx
@@ -15,8 +15,10 @@ import {useNavigationTabState} from '#/lib/hooks/useNavigationTabState'
 import {usePalette} from '#/lib/hooks/usePalette'
 import {clamp} from '#/lib/numbers'
 import {getTabState, TabState} from '#/lib/routes/helpers'
+import {useGate} from '#/lib/statsig/statsig'
 import {s} from '#/lib/styles'
 import {emitSoftReset} from '#/state/events'
+import {useHomeBadge} from '#/state/home-badge'
 import {useUnreadMessageCount} from '#/state/queries/messages/list-conversations'
 import {useUnreadNotifications} from '#/state/queries/notifications/unread'
 import {useProfileQuery} from '#/state/queries/profile'
@@ -73,6 +75,8 @@ export function BottomBar({navigation}: BottomTabBarProps) {
   const dedupe = useDedupe()
   const accountSwitchControl = useDialogControl()
   const playHaptic = useHaptics()
+  const hasHomeBadge = useHomeBadge()
+  const gate = useGate()
   const iconWidth = 28
 
   const showSignIn = React.useCallback(() => {
@@ -153,6 +157,7 @@ export function BottomBar({navigation}: BottomTabBarProps) {
                   />
                 )
               }
+              hasNew={hasHomeBadge && gate('remove_show_latest_button')}
               onPress={onPressHome}
               accessibilityRole="tab"
               accessibilityLabel={_(msg`Home`)}
@@ -334,6 +339,7 @@ interface BtnProps
   testID?: string
   icon: JSX.Element
   notificationCount?: string
+  hasNew?: boolean
   onPress?: (event: GestureResponderEvent) => void
   onLongPress?: (event: GestureResponderEvent) => void
 }
@@ -341,6 +347,7 @@ interface BtnProps
 function Btn({
   testID,
   icon,
+  hasNew,
   notificationCount,
   onPress,
   onLongPress,
@@ -363,7 +370,9 @@ function Btn({
         <View style={[styles.notificationCount, a.rounded_full]}>
           <Text style={styles.notificationCountLabel}>{notificationCount}</Text>
         </View>
-      ) : undefined}
+      ) : hasNew ? (
+        <View style={[styles.hasNewBadge, a.rounded_full]} />
+      ) : null}
     </PressableScale>
   )
 }
diff --git a/src/view/shell/bottom-bar/BottomBarStyles.tsx b/src/view/shell/bottom-bar/BottomBarStyles.tsx
index 9255957cb..d80914d09 100644
--- a/src/view/shell/bottom-bar/BottomBarStyles.tsx
+++ b/src/view/shell/bottom-bar/BottomBarStyles.tsx
@@ -44,6 +44,17 @@ export const styles = StyleSheet.create({
     color: colors.white,
     fontVariant: ['tabular-nums'],
   },
+  hasNewBadge: {
+    position: 'absolute',
+    left: '52%',
+    marginLeft: 4,
+    top: 10,
+    width: 8,
+    height: 8,
+    backgroundColor: colors.blue3,
+    borderRadius: 6,
+    zIndex: 1,
+  },
   ctrlIcon: {
     marginLeft: 'auto',
     marginRight: 'auto',
diff --git a/src/view/shell/bottom-bar/BottomBarWeb.tsx b/src/view/shell/bottom-bar/BottomBarWeb.tsx
index 127ff2b26..1855969cc 100644
--- a/src/view/shell/bottom-bar/BottomBarWeb.tsx
+++ b/src/view/shell/bottom-bar/BottomBarWeb.tsx
@@ -9,6 +9,8 @@ import {useMinimalShellFooterTransform} from '#/lib/hooks/useMinimalShellTransfo
 import {getCurrentRoute, isTab} from '#/lib/routes/helpers'
 import {makeProfileLink} from '#/lib/routes/links'
 import {CommonNavigatorParams} from '#/lib/routes/types'
+import {useGate} from '#/lib/statsig/statsig'
+import {useHomeBadge} from '#/state/home-badge'
 import {useUnreadMessageCount} from '#/state/queries/messages/list-conversations'
 import {useUnreadNotifications} from '#/state/queries/notifications/unread'
 import {useSession} from '#/state/session'
@@ -51,6 +53,8 @@ export function BottomBarWeb() {
 
   const unreadMessageCount = useUnreadMessageCount()
   const notificationCountStr = useUnreadNotifications()
+  const hasHomeBadge = useHomeBadge()
+  const gate = useGate()
 
   const showSignIn = React.useCallback(() => {
     closeAllActiveElements()
@@ -75,7 +79,10 @@ export function BottomBarWeb() {
       ]}>
       {hasSession ? (
         <>
-          <NavItem routeName="Home" href="/">
+          <NavItem
+            routeName="Home"
+            href="/"
+            hasNew={hasHomeBadge && gate('remove_show_latest_button')}>
             {({isActive}) => {
               const Icon = isActive ? HomeFilled : Home
               return (
@@ -105,7 +112,7 @@ export function BottomBarWeb() {
               <NavItem
                 routeName="Messages"
                 href="/messages"
-                badge={
+                notificationCount={
                   unreadMessageCount.count > 0
                     ? unreadMessageCount.numUnread
                     : undefined
@@ -128,7 +135,7 @@ export function BottomBarWeb() {
               <NavItem
                 routeName="Notifications"
                 href="/notifications"
-                badge={notificationCountStr}>
+                notificationCount={notificationCountStr}>
                 {({isActive}) => {
                   const Icon = isActive ? BellFilled : Bell
                   return (
@@ -220,8 +227,9 @@ const NavItem: React.FC<{
   children: (props: {isActive: boolean}) => React.ReactChild
   href: string
   routeName: string
-  badge?: string
-}> = ({children, href, routeName, badge}) => {
+  hasNew?: boolean
+  notificationCount?: string
+}> = ({children, href, routeName, hasNew, notificationCount}) => {
   const {_} = useLingui()
   const {currentAccount} = useSession()
   const currentRoute = useNavigationState(state => {
@@ -246,13 +254,15 @@ const NavItem: React.FC<{
       aria-label={routeName}
       accessible={true}>
       {children({isActive})}
-      {!!badge && (
+      {notificationCount ? (
         <View
           style={styles.notificationCount}
-          aria-label={_(msg`${badge} unread items`)}>
-          <Text style={styles.notificationCountLabel}>{badge}</Text>
+          aria-label={_(msg`${notificationCount} unread items`)}>
+          <Text style={styles.notificationCountLabel}>{notificationCount}</Text>
         </View>
-      )}
+      ) : hasNew ? (
+        <View style={styles.hasNewBadge} />
+      ) : null}
     </Link>
   )
 }