Update BottomBar for react navigation

src/view/screens.tsx

@@ -12,6 +12,8 @@ import {
   State,
 } from 'lib/routes/types'
 
+import {BottomBar} from './shell/BottomBar'
+
 import {HomeScreen} from './screens/Home'
 import {SearchScreen} from './screens/Search'
 import {NotificationsScreen} from './screens/Notifications'
@@ -167,7 +169,7 @@ function HomeDrawerNavigator() {
   return (
     <HomeDrawer.Navigator
       drawerContent={DrawerContent}
-      screenOptions={{swipeEdgeWidth: 300}}>
+      screenOptions={{swipeEdgeWidth: 300, headerShown: false}}>
       <HomeDrawer.Screen name="HomeInner" component={HomeScreen} />
     </HomeDrawer.Navigator>
   )
@@ -176,7 +178,11 @@ function HomeDrawerNavigator() {
 function HomeStackNavigator() {
   return (
     <HomeStack.Navigator
-      screenOptions={{gestureEnabled: true, fullScreenGestureEnabled: true}}>
+      screenOptions={{
+        gestureEnabled: true,
+        fullScreenGestureEnabled: true,
+        headerShown: false,
+      }}>
       <HomeStack.Screen name="Home" component={HomeDrawerNavigator} />
       {commonScreens(HomeStack)}
     </HomeStack.Navigator>
@@ -187,7 +193,7 @@ function NotificationsDrawerNavigator() {
   return (
     <NotificationsDrawer.Navigator
       drawerContent={DrawerContent}
-      screenOptions={{swipeEdgeWidth: 300}}>
+      screenOptions={{swipeEdgeWidth: 300, headerShown: false}}>
       <NotificationsDrawer.Screen
         name="NotificationsInner"
         component={NotificationsScreen}
@@ -199,7 +205,11 @@ function NotificationsDrawerNavigator() {
 function NotificationsStackNavigator() {
   return (
     <NotificationsStack.Navigator
-      screenOptions={{gestureEnabled: true, fullScreenGestureEnabled: true}}>
+      screenOptions={{
+        gestureEnabled: true,
+        fullScreenGestureEnabled: true,
+        headerShown: false,
+      }}>
       <NotificationsStack.Screen
         name="Notifications"
         component={NotificationsDrawerNavigator}
@@ -213,7 +223,7 @@ function SearchDrawerNavigator() {
   return (
     <SearchDrawer.Navigator
       drawerContent={DrawerContent}
-      screenOptions={{swipeEdgeWidth: 300}}>
+      screenOptions={{swipeEdgeWidth: 300, headerShown: false}}>
       <SearchDrawer.Screen name="SearchInner" component={SearchScreen} />
     </SearchDrawer.Navigator>
   )
@@ -222,7 +232,11 @@ function SearchDrawerNavigator() {
 function SearchStackNavigator() {
   return (
     <SearchStack.Navigator
-      screenOptions={{gestureEnabled: true, fullScreenGestureEnabled: true}}>
+      screenOptions={{
+        gestureEnabled: true,
+        fullScreenGestureEnabled: true,
+        headerShown: false,
+      }}>
       <SearchStack.Screen name="Search" component={SearchDrawerNavigator} />
       {commonScreens(SearchStack)}
     </SearchStack.Navigator>
@@ -230,9 +244,13 @@ function SearchStackNavigator() {
 }
 
 function TabsNavigator() {
+  const tabBar = React.useCallback(props => <BottomBar {...props} />, [])
   return (
-    <React.Fragment>
+    <Tab.Navigator
-      <Tab.Navigator initialRouteName="HomeStack" backBehavior="initialRoute">
+      initialRouteName="HomeStack"
+      backBehavior="initialRoute"
+      screenOptions={{headerShown: false}}
+      tabBar={tabBar}>
       <Tab.Screen name="HomeStack" component={HomeStackNavigator} />
       <Tab.Screen
         name="NotificationsStack"
@@ -240,7 +258,6 @@ function TabsNavigator() {
       />
       <Tab.Screen name="SearchStack" component={SearchStackNavigator} />
     </Tab.Navigator>
-    </React.Fragment>
   )
 }
 

src/view/shell/BottomBar.tsx

@@ -6,6 +6,8 @@ import {
   TouchableOpacity,
   View,
 } from 'react-native'
+import {StackActions} from '@react-navigation/native'
+import {BottomTabBarProps} from '@react-navigation/bottom-tabs'
 import {useSafeAreaInsets} from 'react-native-safe-area-context'
 import {observer} from 'mobx-react-lite'
 import {Text} from 'view/com/util/text/Text'
@@ -26,7 +28,15 @@ import {
 import {colors} from 'lib/styles'
 import {usePalette} from 'lib/hooks/usePalette'
 
-export const BottomBar = observer(() => {
+function currentRoute(state) {
+  let node = state.routes[state.index]
+  while (node.state?.routes && typeof node.state?.index === 'number') {
+    node = node.state?.routes[node.state?.index]
+  }
+  return node
+}
+
+export const BottomBar = observer(({navigation}: BottomTabBarProps) => {
   const store = useStores()
   const pal = usePalette('default')
   const minimalShellInterp = useAnimatedValue(0)
@@ -54,62 +64,40 @@ export const BottomBar = observer(() => {
     transform: [{translateY: Animated.multiply(minimalShellInterp, 100)}],
   }
 
-  const onPressHome = React.useCallback(() => {
+  const onPressTab = React.useCallback(
-    track('MobileShell:HomeButtonPressed')
+    (tab: string) => {
-    if (store.nav.tab.fixedTabPurpose === TabPurpose.Default) {
+      track(`MobileShell:${tab}ButtonPressed`)
-      if (!store.nav.tab.canGoBack) {
+      const state = navigation.getState()
+      const curr = currentRoute(state).name
+      if (curr === tab || curr === `${tab}Stack`) {
         store.emitScreenSoftReset()
+      } else if (state.routes[state.index].name === `${tab}Stack`) {
+        navigation.dispatch(StackActions.popToTop())
       } else {
-        store.nav.tab.fixedTabReset()
+        navigation.navigate(`${tab}Stack`)
       }
-    } else {
+    },
-      store.nav.switchTo(TabPurpose.Default, false)
+    [store, track, navigation],
-      if (store.nav.tab.index === 0) {
+  )
-        store.nav.tab.fixedTabReset()
+  const onPressHome = React.useCallback(() => onPressTab('Home'), [onPressTab])
-      }
+  const onPressSearch = React.useCallback(
-    }
+    () => onPressTab('Search'),
-  }, [store, track])
+    [onPressTab],
-  const onPressSearch = React.useCallback(() => {
+  )
-    track('MobileShell:SearchButtonPressed')
+  const onPressNotifications = React.useCallback(
-    if (store.nav.tab.fixedTabPurpose === TabPurpose.Search) {
+    () => onPressTab('Notifications'),
-      if (!store.nav.tab.canGoBack) {
+    [onPressTab],
-        store.emitScreenSoftReset()
+  )
-      } else {
-        store.nav.tab.fixedTabReset()
-      }
-    } else {
-      store.nav.switchTo(TabPurpose.Search, false)
-      if (store.nav.tab.index === 0) {
-        store.nav.tab.fixedTabReset()
-      }
-    }
-  }, [store, track])
-  const onPressNotifications = React.useCallback(() => {
-    track('MobileShell:NotificationsButtonPressed')
-    if (store.nav.tab.fixedTabPurpose === TabPurpose.Notifs) {
-      if (!store.nav.tab.canGoBack) {
-        store.emitScreenSoftReset()
-      } else {
-        store.nav.tab.fixedTabReset()
-      }
-    } else {
-      store.nav.switchTo(TabPurpose.Notifs, false)
-      if (store.nav.tab.index === 0) {
-        store.nav.tab.fixedTabReset()
-      }
-    }
-  }, [store, track])
   const onPressProfile = React.useCallback(() => {
     track('MobileShell:ProfileButtonPressed')
-    store.nav.navigate(`/profile/${store.me.handle}`)
+    navigation.navigate('Profile', {name: store.me.handle})
-  }, [store, track])
+  }, [navigation, track, store.me.handle])
 
-  const isAtHome =
+  const curr = currentRoute(navigation.getState()).name
-    store.nav.tab.current.url === TabPurposeMainPath[TabPurpose.Default]
+  const isAtHome = curr === 'HomeStack' || curr === 'Home'
-  const isAtSearch =
+  const isAtSearch = curr === 'SearchStack' || curr === 'Search'
-    store.nav.tab.current.url === TabPurposeMainPath[TabPurpose.Search]
   const isAtNotifications =
-    store.nav.tab.current.url === TabPurposeMainPath[TabPurpose.Notifs]
+    curr === 'NotificationsStack' || curr === 'Notifications'
 
   return (
     <Animated.View