From 3b1db30456ba09bbc9c2cdb0ec13c73f2c55e76d Mon Sep 17 00:00:00 2001
From: DIYgod <i@diygod.me>
Date: Wed, 12 Feb 2025 14:51:24 +0800
Subject: [PATCH] feat: animated view selector

---
 .../src/modules/feed-drawer/view-selector.tsx | 91 +++++++++++++++----
 1 file changed, 73 insertions(+), 18 deletions(-)

diff --git a/apps/mobile/src/modules/feed-drawer/view-selector.tsx b/apps/mobile/src/modules/feed-drawer/view-selector.tsx
index 0781fa424..142a77ff5 100644
--- a/apps/mobile/src/modules/feed-drawer/view-selector.tsx
+++ b/apps/mobile/src/modules/feed-drawer/view-selector.tsx
@@ -1,6 +1,9 @@
 import { Image } from "expo-image"
-import { ScrollView, TouchableOpacity, View } from "react-native"
+import { useEffect } from "react"
+import type { StyleProp, ViewStyle } from "react-native"
+import { ScrollView, Text, TouchableOpacity, View } from "react-native"
 import { Grayscale } from "react-native-color-matrix-image-filters"
+import Animated, { useSharedValue, withSpring } from "react-native-reanimated"
 
 import { FallbackIcon } from "@/src/components/ui/icon/fallback-icon"
 import type { ViewDefinition } from "@/src/constants/views"
@@ -32,49 +35,101 @@ export function ViewSelector() {
   )
 }
 
-function ViewItem({ view }: { view: ViewDefinition }) {
-  const bgColor = useColor("gray2")
-  const selectedFeed = useSelectedFeed()
-  if (!selectedFeed) return null
-  const isActive = selectedFeed.type === "view" && selectedFeed.viewId === view.view
+const AnimatedTouchableOpacity = Animated.createAnimatedComponent(TouchableOpacity)
+
+function ItemWrapper({
+  children,
+  isActive,
+  onPress,
+  style,
+}: {
+  children: React.ReactNode
+  isActive: boolean
+  onPress: () => void
+  style?: Exclude<StyleProp<ViewStyle>, number>
+}) {
+  const width = useSharedValue(isActive ? 130 : 48)
+  const bgColor = useColor("gray5")
+
+  useEffect(() => {
+    width.value = withSpring(isActive ? 130 : 48)
+  }, [isActive, width])
 
   return (
-    <TouchableOpacity
-      className="relative flex size-12 items-center justify-center overflow-hidden rounded-full"
-      onPress={() => selectTimeline({ type: "view", viewId: view.view })}
+    <AnimatedTouchableOpacity
+      className="relative flex h-12 flex-row items-center justify-center gap-2 overflow-hidden rounded-[1.2rem]"
+      onPress={onPress}
       style={{
-        backgroundColor: isActive ? view.activeColor : bgColor,
+        backgroundColor: bgColor,
+        width,
+        ...style,
       }}
     >
-      <view.icon color={"#fff"} height={21} width={21} />
-    </TouchableOpacity>
+      {children}
+    </AnimatedTouchableOpacity>
+  )
+}
+
+function ViewItem({ view }: { view: ViewDefinition }) {
+  const textColor = useColor("gray")
+
+  const selectedFeed = useSelectedFeed()
+  const isActive = selectedFeed?.type === "view" && selectedFeed.viewId === view.view
+
+  return (
+    <ItemWrapper
+      isActive={isActive}
+      onPress={() => selectTimeline({ type: "view", viewId: view.view })}
+      style={isActive ? { backgroundColor: view.activeColor } : undefined}
+    >
+      <view.icon color={isActive ? "#fff" : textColor} height={21} width={21} />
+      {isActive && (
+        <Text className="text-sm font-semibold text-white" numberOfLines={1}>
+          {view.name}
+        </Text>
+      )}
+    </ItemWrapper>
   )
 }
 
 function ListItem({ listId }: { listId: string }) {
   const list = useList(listId)
   const selectedFeed = useSelectedFeed()
+  const bgColor = useColor("orange")
   if (!selectedFeed) return null
   const isActive = selectedFeed.type === "list" && selectedFeed.listId === listId
 
   if (!list) return null
 
   return (
-    <TouchableOpacity
-      className="relative flex size-12 items-center justify-center overflow-hidden rounded-full"
+    <ItemWrapper
+      isActive={isActive}
       onPress={() => selectTimeline({ type: "list", listId })}
+      style={isActive ? { backgroundColor: bgColor } : undefined}
     >
       {list.image ? (
         isActive ? (
-          <Image source={list.image} contentFit="cover" className="size-12" />
+          <Image source={list.image} contentFit="cover" className="size-7 rounded-lg" />
         ) : (
           <Grayscale>
-            <Image source={list.image} contentFit="cover" className="size-12" />
+            <Image source={list.image} contentFit="cover" className="size-7 rounded-lg" />
           </Grayscale>
         )
       ) : (
-        <FallbackIcon title={list.title} size="100%" gray={!isActive} />
+        <FallbackIcon
+          title={list.title}
+          size={28}
+          gray={!isActive}
+          style={{
+            borderRadius: 8,
+          }}
+        />
       )}
-    </TouchableOpacity>
+      {isActive && (
+        <Text className="max-w-24 text-sm font-semibold text-white" numberOfLines={1}>
+          {list.title}
+        </Text>
+      )}
+    </ItemWrapper>
   )
 }