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path: root/src/components/ProgressGuide/Toast.tsx
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import React, {useImperativeHandle} from 'react'
import {Pressable, useWindowDimensions, View} from 'react-native'
import Animated, {
  Easing,
  runOnJS,
  useAnimatedStyle,
  useSharedValue,
  withTiming,
} from 'react-native-reanimated'
import {useSafeAreaInsets} from 'react-native-safe-area-context'
import {msg} from '@lingui/macro'
import {useLingui} from '@lingui/react'

import {isWeb} from '#/platform/detection'
import {atoms as a, useTheme} from '#/alf'
import {Portal} from '#/components/Portal'
import {AnimatedCheck, type AnimatedCheckRef} from '../anim/AnimatedCheck'
import {Text} from '../Typography'

export interface ProgressGuideToastRef {
  open(): void
  close(): void
}

export interface ProgressGuideToastProps {
  title: string
  subtitle?: string
  visibleDuration?: number // default 5s
}

export const ProgressGuideToast = React.forwardRef<
  ProgressGuideToastRef,
  ProgressGuideToastProps
>(function ProgressGuideToast({title, subtitle, visibleDuration}, ref) {
  const t = useTheme()
  const {_} = useLingui()
  const insets = useSafeAreaInsets()
  const [isOpen, setIsOpen] = React.useState(false)
  const translateY = useSharedValue(0)
  const opacity = useSharedValue(0)
  const animatedCheckRef = React.useRef<AnimatedCheckRef | null>(null)
  const timeoutRef = React.useRef<NodeJS.Timeout | undefined>(undefined)
  const winDim = useWindowDimensions()

  /**
   * Methods
   */

  const close = React.useCallback(() => {
    // clear the timeout, in case this was called imperatively
    if (timeoutRef.current) {
      clearTimeout(timeoutRef.current)
      timeoutRef.current = undefined
    }

    // animate the opacity then set isOpen to false when done
    const setIsntOpen = () => setIsOpen(false)
    opacity.set(() =>
      withTiming(
        0,
        {
          duration: 400,
          easing: Easing.out(Easing.cubic),
        },
        () => runOnJS(setIsntOpen)(),
      ),
    )
  }, [setIsOpen, opacity])

  const open = React.useCallback(() => {
    // set isOpen=true to render
    setIsOpen(true)

    // animate the vertical translation, the opacity, and the checkmark
    const playCheckmark = () => animatedCheckRef.current?.play()
    opacity.set(0)
    opacity.set(() =>
      withTiming(
        1,
        {
          duration: 100,
          easing: Easing.out(Easing.cubic),
        },
        () => runOnJS(playCheckmark)(),
      ),
    )
    translateY.set(0)
    translateY.set(() =>
      withTiming(insets.top + 10, {
        duration: 500,
        easing: Easing.out(Easing.cubic),
      }),
    )

    // start the countdown timer to autoclose
    timeoutRef.current = setTimeout(close, visibleDuration || 5e3)
  }, [setIsOpen, translateY, opacity, insets, close, visibleDuration])

  useImperativeHandle(
    ref,
    () => ({
      open,
      close,
    }),
    [open, close],
  )

  const containerStyle = React.useMemo(() => {
    let left = 10
    let right = 10
    if (isWeb && winDim.width > 400) {
      left = right = (winDim.width - 380) / 2
    }
    return {
      position: isWeb ? 'fixed' : 'absolute',
      top: 0,
      left,
      right,
    }
  }, [winDim.width])

  const animatedStyle = useAnimatedStyle(() => ({
    transform: [{translateY: translateY.get()}],
    opacity: opacity.get(),
  }))

  return (
    isOpen && (
      <Portal>
        <Animated.View
          style={[
            // @ts-ignore position: fixed is web only
            containerStyle,
            animatedStyle,
          ]}>
          <Pressable
            style={[
              t.atoms.bg,
              a.flex_row,
              a.align_center,
              a.gap_md,
              a.border,
              t.atoms.border_contrast_high,
              a.rounded_md,
              a.px_lg,
              a.py_md,
              a.shadow_sm,
              {
                shadowRadius: 8,
                shadowOpacity: 0.1,
                shadowOffset: {width: 0, height: 2},
                elevation: 8,
              },
            ]}
            onPress={close}
            accessibilityLabel={_(msg`Tap to dismiss`)}
            accessibilityHint="">
            <AnimatedCheck
              fill={t.palette.primary_500}
              ref={animatedCheckRef}
            />
            <View>
              <Text style={[a.text_md, a.font_bold]}>{title}</Text>
              {subtitle && (
                <Text style={[a.text_sm, t.atoms.text_contrast_medium]}>
                  {subtitle}
                </Text>
              )}
            </View>
          </Pressable>
        </Animated.View>
      </Portal>
    )
  )
})