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path: root/src/view/com/util/fab/FABInner.tsx
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import React, {ComponentProps} from 'react'
import {observer} from 'mobx-react-lite'
import {Animated, StyleSheet, TouchableWithoutFeedback} from 'react-native'
import LinearGradient from 'react-native-linear-gradient'
import {gradients} from 'lib/styles'
import {useAnimatedValue} from 'lib/hooks/useAnimatedValue'
import {useStores} from 'state/index'
import {useWebMediaQueries} from 'lib/hooks/useWebMediaQueries'
import {isWeb} from 'platform/detection'

export interface FABProps
  extends ComponentProps<typeof TouchableWithoutFeedback> {
  testID?: string
  icon: JSX.Element
}

export const FABInner = observer(function FABInnerImpl({
  testID,
  icon,
  ...props
}: FABProps) {
  const {isTablet} = useWebMediaQueries()
  const store = useStores()
  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 = isTablet
    ? undefined
    : {
        transform: [{translateY: Animated.multiply(interp, 60)}],
      }
  const size = isTablet ? styles.sizeLarge : styles.sizeRegular
  return (
    <TouchableWithoutFeedback testID={testID} {...props}>
      <Animated.View
        style={[
          styles.outer,
          size,
          isWeb && isTablet
            ? {
                right: 50,
                bottom: 50,
              }
            : {
                bottom: 114,
              },
          transform,
        ]}>
        <LinearGradient
          colors={[gradients.blueLight.start, gradients.blueLight.end]}
          start={{x: 0, y: 0}}
          end={{x: 1, y: 1}}
          style={[styles.inner, size]}>
          {icon}
        </LinearGradient>
      </Animated.View>
    </TouchableWithoutFeedback>
  )
})

const styles = StyleSheet.create({
  sizeRegular: {
    width: 60,
    height: 60,
    borderRadius: 30,
  },
  sizeLarge: {
    width: 70,
    height: 70,
    borderRadius: 35,
  },
  outer: {
    position: 'absolute',
    zIndex: 1,
    right: 24,
    bottom: 94,
  },
  inner: {
    justifyContent: 'center',
    alignItems: 'center',
  },
})