mirror of
https://github.com/tooot-app/app
synced 2025-06-05 22:19:13 +02:00
Moved submodule to codebase
Due to using new dependencies such as `react-native-gesture-handler`
This commit is contained in:
175
src/screens/ImageViewer/components/ImageItem.ios.tsx
Normal file
175
src/screens/ImageViewer/components/ImageItem.ios.tsx
Normal file
@ -0,0 +1,175 @@
|
||||
/**
|
||||
* Copyright (c) JOB TODAY S.A. and its affiliates.
|
||||
*
|
||||
* This source code is licensed under the MIT license found in the
|
||||
* LICENSE file in the root directory of this source tree.
|
||||
*
|
||||
*/
|
||||
|
||||
import GracefullyImage from '@components/GracefullyImage'
|
||||
import React, { createRef, useCallback, useRef, useState } from 'react'
|
||||
import {
|
||||
Animated,
|
||||
Dimensions,
|
||||
NativeScrollEvent,
|
||||
NativeSyntheticEvent,
|
||||
ScrollView,
|
||||
StyleSheet
|
||||
} from 'react-native'
|
||||
import {
|
||||
LongPressGestureHandler,
|
||||
State,
|
||||
TapGestureHandler
|
||||
} from 'react-native-gesture-handler'
|
||||
import { ImageSource } from '../@types'
|
||||
import useDoubleTapToZoom from '../hooks/useDoubleTapToZoom'
|
||||
import { getImageStyles, getImageTransform } from '../utils'
|
||||
|
||||
const SWIPE_CLOSE_OFFSET = 75
|
||||
const SWIPE_CLOSE_VELOCITY = 0.55
|
||||
const SCREEN = Dimensions.get('screen')
|
||||
const SCREEN_WIDTH = SCREEN.width
|
||||
const SCREEN_HEIGHT = SCREEN.height
|
||||
|
||||
type Props = {
|
||||
imageSrc: ImageSource
|
||||
onRequestClose: () => void
|
||||
onZoom: (scaled: boolean) => void
|
||||
onLongPress: (image: ImageSource) => void
|
||||
swipeToCloseEnabled?: boolean
|
||||
}
|
||||
|
||||
const doubleTap = createRef()
|
||||
|
||||
const ImageItem = ({
|
||||
imageSrc,
|
||||
onZoom,
|
||||
onRequestClose,
|
||||
onLongPress,
|
||||
swipeToCloseEnabled = true
|
||||
}: Props) => {
|
||||
const scrollViewRef = useRef<ScrollView>(null)
|
||||
const [scaled, setScaled] = useState(false)
|
||||
const [imageDimensions, setImageDimensions] = useState({
|
||||
width: imageSrc.width || 0,
|
||||
height: imageSrc.height || 0
|
||||
})
|
||||
const handleDoubleTap = useDoubleTapToZoom(scrollViewRef, scaled, SCREEN)
|
||||
|
||||
const [translate, scale] = getImageTransform(imageDimensions, SCREEN)
|
||||
const scrollValueY = new Animated.Value(0)
|
||||
const scaleValue = new Animated.Value(scale || 1)
|
||||
const translateValue = new Animated.ValueXY(translate)
|
||||
const maxScale = scale && scale > 0 ? Math.max(1 / scale, 1) : 1
|
||||
|
||||
const imageOpacity = scrollValueY.interpolate({
|
||||
inputRange: [-SWIPE_CLOSE_OFFSET, 0, SWIPE_CLOSE_OFFSET],
|
||||
outputRange: [0.5, 1, 0.5]
|
||||
})
|
||||
const imagesStyles = getImageStyles(
|
||||
imageDimensions,
|
||||
translateValue,
|
||||
scaleValue
|
||||
)
|
||||
const imageStylesWithOpacity = { ...imagesStyles, opacity: imageOpacity }
|
||||
|
||||
const onScrollEndDrag = useCallback(
|
||||
({ nativeEvent }: NativeSyntheticEvent<NativeScrollEvent>) => {
|
||||
const velocityY = nativeEvent?.velocity?.y ?? 0
|
||||
const scaled = nativeEvent?.zoomScale > 1
|
||||
|
||||
onZoom(scaled)
|
||||
setScaled(scaled)
|
||||
|
||||
if (
|
||||
!scaled &&
|
||||
swipeToCloseEnabled &&
|
||||
Math.abs(velocityY) > SWIPE_CLOSE_VELOCITY
|
||||
) {
|
||||
onRequestClose()
|
||||
}
|
||||
},
|
||||
[scaled]
|
||||
)
|
||||
|
||||
const onScroll = ({
|
||||
nativeEvent
|
||||
}: NativeSyntheticEvent<NativeScrollEvent>) => {
|
||||
const offsetY = nativeEvent?.contentOffset?.y ?? 0
|
||||
|
||||
if (nativeEvent?.zoomScale > 1) {
|
||||
return
|
||||
}
|
||||
|
||||
scrollValueY.setValue(offsetY)
|
||||
}
|
||||
|
||||
return (
|
||||
<LongPressGestureHandler
|
||||
onHandlerStateChange={({ nativeEvent }) => {
|
||||
if (nativeEvent.state === State.ACTIVE) {
|
||||
onLongPress(imageSrc)
|
||||
}
|
||||
}}
|
||||
>
|
||||
<TapGestureHandler
|
||||
onHandlerStateChange={({ nativeEvent }) =>
|
||||
nativeEvent.state === State.ACTIVE && onRequestClose()
|
||||
}
|
||||
waitFor={doubleTap}
|
||||
>
|
||||
<TapGestureHandler
|
||||
ref={doubleTap}
|
||||
onHandlerStateChange={handleDoubleTap}
|
||||
numberOfTaps={2}
|
||||
>
|
||||
<ScrollView
|
||||
ref={scrollViewRef}
|
||||
style={styles.listItem}
|
||||
pinchGestureEnabled
|
||||
nestedScrollEnabled={true}
|
||||
showsHorizontalScrollIndicator={false}
|
||||
showsVerticalScrollIndicator={false}
|
||||
maximumZoomScale={maxScale}
|
||||
contentContainerStyle={styles.imageScrollContainer}
|
||||
scrollEnabled={swipeToCloseEnabled}
|
||||
onScrollEndDrag={onScrollEndDrag}
|
||||
scrollEventThrottle={1}
|
||||
{...(swipeToCloseEnabled && {
|
||||
onScroll
|
||||
})}
|
||||
>
|
||||
<Animated.View
|
||||
style={imageStylesWithOpacity}
|
||||
children={
|
||||
<GracefullyImage
|
||||
uri={{
|
||||
preview: imageSrc.preview_url,
|
||||
original: imageSrc.url,
|
||||
remote: imageSrc.remote_url
|
||||
}}
|
||||
{...((!imageSrc.width || !imageSrc.height) && {
|
||||
setImageDimensions
|
||||
})}
|
||||
style={{ flex: 1 }}
|
||||
/>
|
||||
}
|
||||
/>
|
||||
</ScrollView>
|
||||
</TapGestureHandler>
|
||||
</TapGestureHandler>
|
||||
</LongPressGestureHandler>
|
||||
)
|
||||
}
|
||||
|
||||
const styles = StyleSheet.create({
|
||||
listItem: {
|
||||
width: SCREEN_WIDTH,
|
||||
height: SCREEN_HEIGHT
|
||||
},
|
||||
imageScrollContainer: {
|
||||
height: SCREEN_HEIGHT
|
||||
}
|
||||
})
|
||||
|
||||
export default React.memo(ImageItem)
|
Reference in New Issue
Block a user