Move the feed selector to the header (#352)

* Reorg pager components into their own folder

* Move the feed selector to the header

* Fix lint

src/view/com/pager/FeedsTabBar.tsx

@@ -0,0 +1,64 @@
+import React from 'react'
+import {Animated, StyleSheet, TouchableOpacity} from 'react-native'
+import {observer} from 'mobx-react-lite'
+import {TabBar} from 'view/com/pager/TabBar'
+import {RenderTabBarFnProps} from 'view/com/pager/Pager'
+import {UserAvatar} from '../util/UserAvatar'
+import {useStores} from 'state/index'
+import {usePalette} from 'lib/hooks/usePalette'
+import {useAnimatedValue} from 'lib/hooks/useAnimatedValue'
+
+export const FeedsTabBar = observer(
+  (props: RenderTabBarFnProps & {onPressSelected: () => void}) => {
+    const store = useStores()
+    const pal = usePalette('default')
+    const interp = useAnimatedValue(0)
+
+    React.useEffect(() => {
+      Animated.timing(interp, {
+        toValue: store.shell.minimalShellMode ? 1 : 0,
+        duration: 100,
+        useNativeDriver: true,
+        isInteraction: false,
+      }).start()
+    }, [interp, store.shell.minimalShellMode])
+    const transform = {
+      transform: [{translateY: Animated.multiply(interp, -100)}],
+    }
+
+    const onPressAvi = React.useCallback(() => {
+      store.shell.openDrawer()
+    }, [store])
+
+    return (
+      <Animated.View style={[pal.view, styles.tabBar, transform]}>
+        <TouchableOpacity style={styles.tabBarAvi} onPress={onPressAvi}>
+          <UserAvatar avatar={store.me.avatar} size={30} />
+        </TouchableOpacity>
+        <TabBar
+          {...props}
+          items={['Following', "What's hot"]}
+          indicatorPosition="bottom"
+          indicatorColor={pal.colors.link}
+        />
+      </Animated.View>
+    )
+  },
+)
+
+const styles = StyleSheet.create({
+  tabBar: {
+    position: 'absolute',
+    zIndex: 1,
+    left: 0,
+    right: 0,
+    top: 0,
+    flexDirection: 'row',
+    alignItems: 'center',
+    paddingHorizontal: 18,
+  },
+  tabBarAvi: {
+    marginTop: 1,
+    marginRight: 18,
+  },
+})

src/view/com/pager/FeedsTabBar.web.tsx

@@ -0,0 +1,22 @@
+import React from 'react'
+import {observer} from 'mobx-react-lite'
+import {TabBar} from 'view/com/pager/TabBar'
+import {CenteredView} from 'view/com/util/Views'
+import {RenderTabBarFnProps} from 'view/com/pager/Pager'
+import {usePalette} from 'lib/hooks/usePalette'
+
+export const FeedsTabBar = observer(
+  (props: RenderTabBarFnProps & {onPressSelected: () => void}) => {
+    const pal = usePalette('default')
+    return (
+      <CenteredView>
+        <TabBar
+          {...props}
+          items={['Following', "What's hot"]}
+          indicatorPosition="bottom"
+          indicatorColor={pal.colors.link}
+        />
+      </CenteredView>
+    )
+  },
+)

src/view/com/pager/TabBar.tsx

@@ -5,7 +5,7 @@ import {
   TouchableWithoutFeedback,
   View,
 } from 'react-native'
-import {Text} from './text/Text'
+import {Text} from '../util/text/Text'
 import {usePalette} from 'lib/hooks/usePalette'
 import {isDesktopWeb} from 'platform/detection'
 

src/view/com/posts/Feed.tsx

@@ -8,9 +8,8 @@ import {
   View,
   ViewStyle,
 } from 'react-native'
-import {CenteredView, FlatList} from '../util/Views'
+import {FlatList} from '../util/Views'
 import {PostFeedLoadingPlaceholder} from '../util/LoadingPlaceholder'
-import {ViewHeader} from '../util/ViewHeader'
 import {ErrorMessage} from '../util/error/ErrorMessage'
 import {FeedModel} from 'state/models/feed-view'
 import {FeedSlice} from './FeedSlice'
@@ -19,9 +18,9 @@ import {s} from 'lib/styles'
 import {useAnalytics} from 'lib/analytics'
 import {usePalette} from 'lib/hooks/usePalette'
 
-const HEADER_ITEM = {_reactKey: '__header__'}
+const LOADING_ITEM = {_reactKey: '__loading__'}
 const EMPTY_FEED_ITEM = {_reactKey: '__empty__'}
-const ERROR_FEED_ITEM = {_reactKey: '__error__'}
+const ERROR_ITEM = {_reactKey: '__error__'}
 
 export const Feed = observer(function Feed({
   feed,
@@ -49,19 +48,21 @@ export const Feed = observer(function Feed({
   const [isRefreshing, setIsRefreshing] = React.useState(false)
 
   const data = React.useMemo(() => {
-    let feedItems: any[] = [HEADER_ITEM]
+    let feedItems: any[] = []
     if (feed.hasLoaded) {
       if (feed.hasError) {
-        feedItems = feedItems.concat([ERROR_FEED_ITEM])
+        feedItems = feedItems.concat([ERROR_ITEM])
       }
       if (feed.isEmpty) {
         feedItems = feedItems.concat([EMPTY_FEED_ITEM])
       } else {
         feedItems = feedItems.concat(feed.slices)
       }
+    } else if (feed.isLoading) {
+      feedItems = feedItems.concat([LOADING_ITEM])
     }
     return feedItems
-  }, [feed.hasError, feed.hasLoaded, feed.isEmpty, feed.slices])
+  }, [feed.hasError, feed.hasLoaded, feed.isLoading, feed.isEmpty, feed.slices])
 
   // events
   // =
@@ -96,15 +97,15 @@ export const Feed = observer(function Feed({
           return renderEmptyState()
         }
         return <View />
-      } else if (item === ERROR_FEED_ITEM) {
+      } else if (item === ERROR_ITEM) {
         return (
           <ErrorMessage
             message={feed.error}
             onPressTryAgain={onPressTryAgain}
           />
         )
-      } else if (item === HEADER_ITEM) {
-        return <ViewHeader title="Bluesky" canGoBack={false} />
+      } else if (item === LOADING_ITEM) {
+        return <PostFeedLoadingPlaceholder />
       }
       return <FeedSlice slice={item} showFollowBtn={showPostFollowBtn} />
     },
@@ -125,11 +126,6 @@ export const Feed = observer(function Feed({
 
   return (
     <View testID={testID} style={style}>
-      {feed.isLoading && data.length === 0 && (
-        <CenteredView style={{paddingTop: headerOffset}}>
-          <PostFeedLoadingPlaceholder />
-        </CenteredView>
-      )}
       {data.length > 0 && (
         <FlatList
           ref={scrollElRef}

src/view/com/search/SearchResults.tsx

@@ -3,8 +3,8 @@ import {StyleSheet, View} from 'react-native'
 import {observer} from 'mobx-react-lite'
 import {SearchUIModel} from 'state/models/ui/search'
 import {CenteredView, ScrollView} from '../util/Views'
-import {Pager, RenderTabBarFnProps} from 'view/com/util/pager/Pager'
-import {TabBar} from 'view/com/util/TabBar'
+import {Pager, RenderTabBarFnProps} from 'view/com/pager/Pager'
+import {TabBar} from 'view/com/pager/TabBar'
 import {Post} from 'view/com/post/Post'
 import {ProfileCardWithFollowBtn} from 'view/com/profile/ProfileCard'
 import {