播放详情页歌词添加延迟滚动及着色动画

publish/changeLog.md

@@ -22,6 +22,7 @@
 - 调整桌面歌词主题配色，增强歌词字体阴影（#276）
 - 优化数据传输逻辑，列表同步指令使用队列机制，保证列表同步操作的顺序
 - 暂停播放时播放详情歌词页不要自动滚动歌词回播放位置
+- 播放详情页歌词添加延迟滚动及着色动画
 
 ### 修复
 

src/components/common/Text.tsx

@@ -1,6 +1,8 @@
-import { Text, type TextProps as _TextProps, StyleSheet } from 'react-native'
+import { type ComponentProps } from 'react'
+import { Text, type TextProps as _TextProps, StyleSheet, Animated, type ColorValue, type TextStyle } from 'react-native'
 import { useTheme } from '@/store/theme/hook'
 import { setSpText } from '@/utils/pixelRatio'
+import { useAnimateColor } from '@/utils/hooks/useAnimateColor'
 // import { AppColors } from '@/theme'
 
 export interface TextProps extends _TextProps {
@@ -11,7 +13,7 @@ export interface TextProps extends _TextProps {
   /**
    * 字体颜色
    */
-  color?: string
+  color?: ColorValue
 }
 
 export default ({ style, size = 15, color, children, ...props }: TextProps) => {
@@ -25,3 +27,27 @@ export default ({ style, size = 15, color, children, ...props }: TextProps) => {
   )
 }
 
+
+type _AnimatedTextProps = ComponentProps<(typeof Animated)['Text']>
+export interface AnimatedColorTextProps extends _AnimatedTextProps {
+  /**
+   * 字体大小
+   */
+  size?: number
+  /**
+   * 字体颜色
+   */
+  color?: string
+}
+export const AnimatedColorText = ({ style, size = 15, color: _color, children, ...props }: AnimatedColorTextProps) => {
+  const theme = useTheme()
+
+  const [color] = useAnimateColor(_color ?? theme['c-font'])
+
+  return (
+    <Animated.Text
+      style={StyleSheet.compose({ fontSize: setSpText(size), color: color as unknown as ColorValue }, style as TextStyle)}
+      {...props}
+    >{children}</Animated.Text>
+  )
+}

src/screens/PlayDetail/Horizontal/Lyric.tsx

@@ -6,7 +6,7 @@ import { createStyle } from '@/utils/tools'
 // import { useComponentIds } from '@/store/common/hook'
 import { useTheme } from '@/store/theme/hook'
 import { useSettingValue } from '@/store/setting/hook'
-import Text from '@/components/common/Text'
+import { AnimatedColorText } from '@/components/common/Text'
 import { setSpText } from '@/utils/pixelRatio'
 import playerState from '@/store/player/state'
 // import { screenkeepAwake } from '@/utils/nativeModules/utils'
@@ -27,22 +27,33 @@ const LrcLine = memo(({ line, lineNum, activeLine }: {
   const size = lrcFontSize / 10
   const lineHeight = setSpText(size) * 1.25
 
+  const colors = useMemo(() => {
+    const active = activeLine == lineNum
+    return active ? [
+      theme['c-primary'],
+      theme['c-primary-alpha-200'],
+    ] : [
+      theme['c-350'],
+      theme['c-300'],
+    ]
+  }, [activeLine, lineNum, theme])
+
   // textBreakStrategy="simple" 用于解决某些设备上字体被截断的问题
   // https://stackoverflow.com/a/72822360
   return (
     <View style={styles.line}>
-      <Text style={{
+      <AnimatedColorText style={{
         ...styles.lineText,
         textAlign,
         lineHeight,
-      }} textBreakStrategy="simple" color={activeLine == lineNum ? theme['c-primary'] : theme['c-350']} size={size}>{line.text}</Text>
+      }} textBreakStrategy="simple" color={colors[0]} size={size}>{line.text}</AnimatedColorText>
       {
         line.extendedLyrics.map((lrc, index) => {
-          return (<Text style={{
+          return (<AnimatedColorText style={{
             ...styles.lineTranslationText,
             textAlign,
             lineHeight: lineHeight * 0.8,
-          }} textBreakStrategy="simple" key={index} color={activeLine == lineNum ? theme['c-primary-alpha-200'] : theme['c-350']} size={size * 0.8}>{lrc}</Text>)
+          }} textBreakStrategy="simple" key={index} color={colors[1]} size={size * 0.8}>{lrc}</AnimatedColorText>)
         })
       }
     </View>
@@ -60,6 +71,7 @@ export default () => {
   const flatListRef = useRef<FlatList>(null)
   const isPauseScrollRef = useRef(true)
   const scrollTimoutRef = useRef<NodeJS.Timeout | null>(null)
+  const delayScrollTimeout = useRef<NodeJS.Timeout | null>(null)
   const lineRef = useRef(0)
   const isFirstSetLrc = useRef(true)
   // useLock()
@@ -90,7 +102,14 @@ export default () => {
 
   const handleScrollBeginDrag = () => {
     isPauseScrollRef.current = true
-    if (scrollTimoutRef.current) clearTimeout(scrollTimoutRef.current)
+    if (delayScrollTimeout.current) {
+      clearTimeout(delayScrollTimeout.current)
+      delayScrollTimeout.current = null
+    }
+    if (scrollTimoutRef.current) {
+      clearTimeout(scrollTimoutRef.current)
+      scrollTimoutRef.current = null
+    }
   }
 
   const onScrollEndDrag = () => {
@@ -107,6 +126,10 @@ export default () => {
 
   useEffect(() => {
     return () => {
+      if (delayScrollTimeout.current) {
+        clearTimeout(delayScrollTimeout.current)
+        delayScrollTimeout.current = null
+      }
       if (scrollTimoutRef.current) {
         clearTimeout(scrollTimoutRef.current)
         scrollTimoutRef.current = null
@@ -135,7 +158,10 @@ export default () => {
   useEffect(() => {
     lineRef.current = line
     if (!flatListRef.current || isPauseScrollRef.current) return
-    handleScrollToActive()
+    delayScrollTimeout.current = setTimeout(() => {
+      delayScrollTimeout.current = null
+      handleScrollToActive()
+    }, 300)
   }, [line])
 
   const handleScrollToIndexFailed: FlatListType['onScrollToIndexFailed'] = (info) => {

src/screens/PlayDetail/Vertical/Lyric.tsx

@@ -6,7 +6,7 @@ import { createStyle } from '@/utils/tools'
 // import { useComponentIds } from '@/store/common/hook'
 import { useTheme } from '@/store/theme/hook'
 import { useSettingValue } from '@/store/setting/hook'
-import Text from '@/components/common/Text'
+import { AnimatedColorText } from '@/components/common/Text'
 import { setSpText } from '@/utils/pixelRatio'
 import playerState from '@/store/player/state'
 // import { screenkeepAwake } from '@/utils/nativeModules/utils'
@@ -65,22 +65,34 @@ const LrcLine = memo(({ line, lineNum, activeLine }: {
   const size = lrcFontSize / 10
   const lineHeight = setSpText(size) * 1.25
 
+  const colors = useMemo(() => {
+    const active = activeLine == lineNum
+    return active ? [
+      theme['c-primary'],
+      theme['c-primary-alpha-200'],
+    ] : [
+      theme['c-350'],
+      theme['c-300'],
+    ]
+  }, [activeLine, lineNum, theme])
+
+
   // textBreakStrategy="simple" 用于解决某些设备上字体被截断的问题
   // https://stackoverflow.com/a/72822360
   return (
     <View style={styles.line}>
-      <Text style={{
+      <AnimatedColorText style={{
         ...styles.lineText,
         textAlign,
         lineHeight,
-      }} textBreakStrategy="simple" color={activeLine == lineNum ? theme['c-primary'] : theme['c-350']} size={size}>{line.text}</Text>
+      }} textBreakStrategy="simple" color={colors[0]} size={size}>{line.text}</AnimatedColorText>
       {
         line.extendedLyrics.map((lrc, index) => {
-          return (<Text style={{
+          return (<AnimatedColorText style={{
             ...styles.lineTranslationText,
             textAlign,
             lineHeight: lineHeight * 0.8,
-          }} textBreakStrategy="simple" key={index} color={activeLine == lineNum ? theme['c-primary-alpha-200'] : theme['c-350']} size={size * 0.8}>{lrc}</Text>)
+          }} textBreakStrategy="simple" key={index} color={colors[1]} size={size * 0.8}>{lrc}</AnimatedColorText>)
         })
       }
     </View>
@@ -98,6 +110,7 @@ export default () => {
   const flatListRef = useRef<FlatList>(null)
   const isPauseScrollRef = useRef(true)
   const scrollTimoutRef = useRef<NodeJS.Timeout | null>(null)
+  const delayScrollTimeout = useRef<NodeJS.Timeout | null>(null)
   const lineRef = useRef(0)
   const isFirstSetLrc = useRef(true)
   // useLock()
@@ -128,7 +141,14 @@ export default () => {
 
   const handleScrollBeginDrag = () => {
     isPauseScrollRef.current = true
-    if (scrollTimoutRef.current) clearTimeout(scrollTimoutRef.current)
+    if (delayScrollTimeout.current) {
+      clearTimeout(delayScrollTimeout.current)
+      delayScrollTimeout.current = null
+    }
+    if (scrollTimoutRef.current) {
+      clearTimeout(scrollTimoutRef.current)
+      scrollTimoutRef.current = null
+    }
   }
 
   const onScrollEndDrag = () => {
@@ -145,6 +165,10 @@ export default () => {
 
   useEffect(() => {
     return () => {
+      if (delayScrollTimeout.current) {
+        clearTimeout(delayScrollTimeout.current)
+        delayScrollTimeout.current = null
+      }
       if (scrollTimoutRef.current) {
         clearTimeout(scrollTimoutRef.current)
         scrollTimoutRef.current = null
@@ -173,7 +197,10 @@ export default () => {
   useEffect(() => {
     lineRef.current = line
     if (!flatListRef.current || isPauseScrollRef.current) return
-    handleScrollToActive()
+    delayScrollTimeout.current = setTimeout(() => {
+      delayScrollTimeout.current = null
+      handleScrollToActive()
+    }, 300)
   }, [line])
 
   const handleScrollToIndexFailed: FlatListType['onScrollToIndexFailed'] = (info) => {

src/utils/hooks/useAnimateColor.ts

@@ -0,0 +1,31 @@
+import { useEffect, useMemo, useRef, useState } from 'react'
+import { Animated } from 'react-native'
+
+
+const ANIMATION_DURATION = 200
+
+export const useAnimateColor = (color: string) => {
+  const anim = useMemo(() => new Animated.Value(0), [color])
+  const [finished, setFinished] = useState(true)
+  const currentColor = useRef(color)
+  const nextColor = useMemo(() => color, [color])
+
+  const animColor = anim.interpolate({
+    inputRange: [0, 1],
+    outputRange: [currentColor.current, nextColor],
+  })
+
+  useEffect(() => {
+    setFinished(false)
+    Animated.timing(anim, {
+      toValue: 1,
+      duration: ANIMATION_DURATION,
+      useNativeDriver: false,
+    }).start(() => {
+      currentColor.current = nextColor
+      setFinished(true)
+    })
+  }, [nextColor])
+
+  return [animColor, finished] as const
+}