Update web header and search

src/view/screens/Search.web.tsx

@@ -0,0 +1,217 @@
+import React from 'react'
+import {
+  Keyboard,
+  StyleSheet,
+  TextInput,
+  TouchableOpacity,
+  View,
+} from 'react-native'
+import {ScrollView} from '../com/util/Views'
+import {observer} from 'mobx-react-lite'
+import {UserAvatar} from '../com/util/UserAvatar'
+import {Text} from '../com/util/text/Text'
+import {ScreenParams} from '../routes'
+import {useStores} from 'state/index'
+import {UserAutocompleteViewModel} from 'state/models/user-autocomplete-view'
+import {s} from 'lib/styles'
+import {MagnifyingGlassIcon} from 'lib/icons'
+import {ViewHeader} from '../com/util/ViewHeader'
+import {WhoToFollow} from '../com/discover/WhoToFollow'
+import {SuggestedPosts} from '../com/discover/SuggestedPosts'
+import {ProfileCard} from '../com/profile/ProfileCard'
+import {usePalette} from 'lib/hooks/usePalette'
+import {useOnMainScroll} from 'lib/hooks/useOnMainScroll'
+import {useAnalytics} from 'lib/analytics'
+
+const MENU_HITSLOP = {left: 10, top: 10, right: 30, bottom: 10}
+const FIVE_MIN = 5 * 60 * 1e3
+
+export const Search = observer(({navIdx, visible, params}: ScreenParams) => {
+  const pal = usePalette('default')
+  const store = useStores()
+  const {track} = useAnalytics()
+  const scrollElRef = React.useRef<ScrollView>(null)
+  const onMainScroll = useOnMainScroll(store)
+  const textInput = React.useRef<TextInput>(null)
+  const [lastRenderTime, setRenderTime] = React.useState<number>(Date.now()) // used to trigger reloads
+  const [isInputFocused, setIsInputFocused] = React.useState<boolean>(false)
+  const [query, setQuery] = React.useState<string>('')
+  const autocompleteView = React.useMemo<UserAutocompleteViewModel>(
+    () => new UserAutocompleteViewModel(store),
+    [store],
+  )
+  const {name} = params
+
+  const onSoftReset = () => {
+    scrollElRef.current?.scrollTo({x: 0, y: 0})
+  }
+
+  React.useEffect(() => {
+    const softResetSub = store.onScreenSoftReset(onSoftReset)
+    const cleanup = () => {
+      softResetSub.remove()
+    }
+
+    if (visible) {
+      const now = Date.now()
+      if (now - lastRenderTime > FIVE_MIN) {
+        setRenderTime(Date.now()) // trigger reload of suggestions
+      }
+      store.shell.setMinimalShellMode(false)
+      autocompleteView.setup()
+      store.nav.setTitle(navIdx, 'Search')
+    }
+    return cleanup
+  }, [store, visible, name, navIdx, autocompleteView, lastRenderTime])
+
+  const onPressMenu = () => {
+    track('ViewHeader:MenuButtonClicked')
+    store.shell.setMainMenuOpen(true)
+  }
+
+  const onChangeQuery = (text: string) => {
+    setQuery(text)
+    if (text.length > 0) {
+      autocompleteView.setActive(true)
+      autocompleteView.setPrefix(text)
+    } else {
+      autocompleteView.setActive(false)
+    }
+  }
+  const onPressCancelSearch = () => {
+    setQuery('')
+    autocompleteView.setActive(false)
+  }
+
+  return (
+    <View style={s.h100pct}>
+      <ViewHeader title="Explore" />
+      <ScrollView
+        ref={scrollElRef}
+        testID="searchScrollView"
+        style={[pal.view, styles.container]}
+        onScroll={onMainScroll}
+        scrollEventThrottle={100}>
+        <View style={[pal.view, pal.border, styles.header]}>
+          <TouchableOpacity
+            testID="viewHeaderBackOrMenuBtn"
+            onPress={onPressMenu}
+            hitSlop={MENU_HITSLOP}
+            style={styles.headerMenuBtn}>
+            <UserAvatar
+              size={30}
+              handle={store.me.handle}
+              displayName={store.me.displayName}
+              avatar={store.me.avatar}
+            />
+          </TouchableOpacity>
+          <View
+            style={[
+              {backgroundColor: pal.colors.backgroundLight},
+              styles.headerSearchContainer,
+            ]}>
+            <MagnifyingGlassIcon
+              style={[pal.icon, styles.headerSearchIcon]}
+              size={21}
+            />
+            <TextInput
+              testID="searchTextInput"
+              ref={textInput}
+              placeholder="Search"
+              placeholderTextColor={pal.colors.textLight}
+              selectTextOnFocus
+              returnKeyType="search"
+              value={query}
+              style={[pal.text, styles.headerSearchInput]}
+              onFocus={() => setIsInputFocused(true)}
+              onBlur={() => setIsInputFocused(false)}
+              onChangeText={onChangeQuery}
+            />
+          </View>
+          {query ? (
+            <View style={styles.headerCancelBtn}>
+              <TouchableOpacity onPress={onPressCancelSearch}>
+                <Text>Cancel</Text>
+              </TouchableOpacity>
+            </View>
+          ) : undefined}
+        </View>
+        {query && autocompleteView.searchRes.length ? (
+          <>
+            {autocompleteView.searchRes.map(item => (
+              <ProfileCard
+                key={item.did}
+                handle={item.handle}
+                displayName={item.displayName}
+                avatar={item.avatar}
+              />
+            ))}
+          </>
+        ) : query && !autocompleteView.searchRes.length ? (
+          <View>
+            <Text style={[pal.textLight, styles.searchPrompt]}>
+              No results found for {autocompleteView.prefix}
+            </Text>
+          </View>
+        ) : isInputFocused ? (
+          <View>
+            <Text style={[pal.textLight, styles.searchPrompt]}>
+              Search for users on the network
+            </Text>
+          </View>
+        ) : (
+          <ScrollView onScroll={Keyboard.dismiss}>
+            <WhoToFollow key={`wtf-${lastRenderTime}`} />
+            <SuggestedPosts key={`sp-${lastRenderTime}`} />
+            <View style={s.footerSpacer} />
+          </ScrollView>
+        )}
+        <View style={s.footerSpacer} />
+      </ScrollView>
+    </View>
+  )
+})
+
+const styles = StyleSheet.create({
+  container: {
+    flex: 1,
+  },
+
+  header: {
+    flexDirection: 'row',
+    alignItems: 'center',
+    paddingHorizontal: 12,
+    paddingTop: 4,
+    marginBottom: 14,
+  },
+  headerMenuBtn: {
+    width: 40,
+    height: 30,
+    marginLeft: 6,
+  },
+  headerSearchContainer: {
+    flex: 1,
+    flexDirection: 'row',
+    alignItems: 'center',
+    borderRadius: 30,
+    paddingHorizontal: 12,
+    paddingVertical: 8,
+  },
+  headerSearchIcon: {
+    marginRight: 6,
+    alignSelf: 'center',
+  },
+  headerSearchInput: {
+    flex: 1,
+    fontSize: 17,
+  },
+  headerCancelBtn: {
+    width: 60,
+    paddingLeft: 10,
+  },
+
+  searchPrompt: {
+    textAlign: 'center',
+    paddingTop: 10,
+  },
+})