Remove unused lightbox options (#1616)
* Inline lightbox helpers * Delete unused useImagePrefetch * Delete unused long press gesture * Always enable double tap * Always enable swipe to close * Remove unused onImageIndexChange * Inline custom Hooks into ImageViewing * Declare LightboxFooter outside Lightbox * Add more TODO comments * Inline useDoubleTapToZoom * Remove dead utils, move utils used only oncezio/stable
parent
eb7306b165
commit
260b03a05c
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@ -36,23 +36,11 @@ type Props = {
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imageSrc: ImageSource
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onRequestClose: () => void
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onZoom: (isZoomed: boolean) => void
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onLongPress: (image: ImageSource) => void
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delayLongPress: number
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swipeToCloseEnabled?: boolean
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doubleTapToZoomEnabled?: boolean
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}
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const AnimatedImage = Animated.createAnimatedComponent(Image)
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const ImageItem = ({
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imageSrc,
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onZoom,
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onRequestClose,
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onLongPress,
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delayLongPress,
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swipeToCloseEnabled = true,
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doubleTapToZoomEnabled = true,
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}: Props) => {
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const ImageItem = ({imageSrc, onZoom, onRequestClose}: Props) => {
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const imageContainer = useRef<ScrollView & NativeMethodsMixin>(null)
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const imageDimensions = useImageDimensions(imageSrc)
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const [translate, scale] = getImageTransform(imageDimensions, SCREEN)
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@ -72,17 +60,10 @@ const ImageItem = ({
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[onZoom],
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)
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const onLongPressHandler = useCallback(() => {
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onLongPress(imageSrc)
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}, [imageSrc, onLongPress])
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const [panHandlers, scaleValue, translateValue] = usePanResponder({
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initialScale: scale || 1,
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initialTranslate: translate || {x: 0, y: 0},
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onZoom: onZoomPerformed,
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doubleTapToZoomEnabled,
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onLongPress: onLongPressHandler,
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delayLongPress,
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})
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const imagesStyles = getImageStyles(
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@ -126,11 +107,9 @@ const ImageItem = ({
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showsHorizontalScrollIndicator={false}
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showsVerticalScrollIndicator={false}
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contentContainerStyle={styles.imageScrollContainer}
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scrollEnabled={swipeToCloseEnabled}
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{...(swipeToCloseEnabled && {
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onScroll,
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onScrollEndDrag,
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})}>
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scrollEnabled={true}
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onScroll={onScroll}
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onScrollEndDrag={onScrollEndDrag}>
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<AnimatedImage
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{...panHandlers}
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source={imageSrc}
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@ -16,57 +16,45 @@ import {
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View,
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NativeScrollEvent,
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NativeSyntheticEvent,
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NativeTouchEvent,
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TouchableWithoutFeedback,
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} from 'react-native'
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import {Image} from 'expo-image'
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import useDoubleTapToZoom from '../../hooks/useDoubleTapToZoom'
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import useImageDimensions from '../../hooks/useImageDimensions'
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import {getImageStyles, getImageTransform} from '../../utils'
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import {ImageSource} from '../../@types'
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import {ImageLoading} from './ImageLoading'
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const DOUBLE_TAP_DELAY = 300
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const SWIPE_CLOSE_OFFSET = 75
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const SWIPE_CLOSE_VELOCITY = 1
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const SCREEN = Dimensions.get('screen')
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const SCREEN_WIDTH = SCREEN.width
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const SCREEN_HEIGHT = SCREEN.height
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const MIN_ZOOM = 2
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const MAX_SCALE = 2
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type Props = {
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imageSrc: ImageSource
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onRequestClose: () => void
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onZoom: (scaled: boolean) => void
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onLongPress: (image: ImageSource) => void
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delayLongPress: number
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swipeToCloseEnabled?: boolean
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doubleTapToZoomEnabled?: boolean
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}
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const AnimatedImage = Animated.createAnimatedComponent(Image)
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const ImageItem = ({
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imageSrc,
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onZoom,
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onRequestClose,
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onLongPress,
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delayLongPress,
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swipeToCloseEnabled = true,
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doubleTapToZoomEnabled = true,
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}: Props) => {
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let lastTapTS: number | null = null
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const ImageItem = ({imageSrc, onZoom, onRequestClose}: Props) => {
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const scrollViewRef = useRef<ScrollView>(null)
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const [loaded, setLoaded] = useState(false)
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const [scaled, setScaled] = useState(false)
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const imageDimensions = useImageDimensions(imageSrc)
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const handleDoubleTap = useDoubleTapToZoom(
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scrollViewRef,
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scaled,
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SCREEN,
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imageDimensions,
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)
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const [translate, scale] = getImageTransform(imageDimensions, SCREEN)
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// TODO: It's not valid to reinitialize Animated values during render.
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// This is a bug.
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const scrollValueY = new Animated.Value(0)
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const scaleValue = new Animated.Value(scale || 1)
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const translateValue = new Animated.ValueXY(translate)
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@ -91,15 +79,11 @@ const ImageItem = ({
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onZoom(currentScaled)
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setScaled(currentScaled)
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if (
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!currentScaled &&
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swipeToCloseEnabled &&
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Math.abs(velocityY) > SWIPE_CLOSE_VELOCITY
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) {
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if (!currentScaled && Math.abs(velocityY) > SWIPE_CLOSE_VELOCITY) {
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onRequestClose()
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}
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},
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[onRequestClose, onZoom, swipeToCloseEnabled],
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[onRequestClose, onZoom],
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)
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const onScroll = ({nativeEvent}: NativeSyntheticEvent<NativeScrollEvent>) => {
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@ -112,9 +96,40 @@ const ImageItem = ({
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scrollValueY.setValue(offsetY)
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}
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const onLongPressHandler = useCallback(() => {
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onLongPress(imageSrc)
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}, [imageSrc, onLongPress])
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const handleDoubleTap = useCallback(
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(event: NativeSyntheticEvent<NativeTouchEvent>) => {
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const nowTS = new Date().getTime()
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const scrollResponderRef = scrollViewRef?.current?.getScrollResponder()
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if (lastTapTS && nowTS - lastTapTS < DOUBLE_TAP_DELAY) {
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let nextZoomRect = {
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x: 0,
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y: 0,
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width: SCREEN.width,
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height: SCREEN.height,
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}
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const willZoom = !scaled
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if (willZoom) {
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const {pageX, pageY} = event.nativeEvent
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nextZoomRect = getZoomRectAfterDoubleTap(
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imageDimensions,
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pageX,
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pageY,
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)
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}
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// @ts-ignore
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scrollResponderRef?.scrollResponderZoomTo({
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...nextZoomRect, // This rect is in screen coordinates
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animated: true,
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})
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} else {
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lastTapTS = nowTS
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}
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},
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[imageDimensions, scaled],
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)
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return (
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<View>
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@ -126,17 +141,13 @@ const ImageItem = ({
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showsVerticalScrollIndicator={false}
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maximumZoomScale={maxScrollViewZoom}
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contentContainerStyle={styles.imageScrollContainer}
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scrollEnabled={swipeToCloseEnabled}
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scrollEnabled={true}
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onScroll={onScroll}
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onScrollEndDrag={onScrollEndDrag}
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scrollEventThrottle={1}
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{...(swipeToCloseEnabled && {
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onScroll,
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})}>
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scrollEventThrottle={1}>
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{(!loaded || !imageDimensions) && <ImageLoading />}
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<TouchableWithoutFeedback
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onPress={doubleTapToZoomEnabled ? handleDoubleTap : undefined}
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onLongPress={onLongPressHandler}
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delayLongPress={delayLongPress}
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onPress={handleDoubleTap}
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accessibilityRole="image"
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accessibilityLabel={imageSrc.alt}
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accessibilityHint="">
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@ -161,4 +172,92 @@ const styles = StyleSheet.create({
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},
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})
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const getZoomRectAfterDoubleTap = (
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imageDimensions: {width: number; height: number} | null,
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touchX: number,
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touchY: number,
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): {
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x: number
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y: number
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width: number
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height: number
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} => {
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if (!imageDimensions) {
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return {
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x: 0,
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y: 0,
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width: SCREEN.width,
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height: SCREEN.height,
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}
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}
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// First, let's figure out how much we want to zoom in.
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// We want to try to zoom in at least close enough to get rid of black bars.
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const imageAspect = imageDimensions.width / imageDimensions.height
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const screenAspect = SCREEN.width / SCREEN.height
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const zoom = Math.max(
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imageAspect / screenAspect,
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screenAspect / imageAspect,
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MIN_ZOOM,
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)
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// Unlike in the Android version, we don't constrain the *max* zoom level here.
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// Instead, this is done in the ScrollView props so that it constraints pinch too.
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// Next, we'll be calculating the rectangle to "zoom into" in screen coordinates.
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// We already know the zoom level, so this gives us the rectangle size.
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let rectWidth = SCREEN.width / zoom
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let rectHeight = SCREEN.height / zoom
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// Before we settle on the zoomed rect, figure out the safe area it has to be inside.
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// We don't want to introduce new black bars or make existing black bars unbalanced.
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let minX = 0
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let minY = 0
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let maxX = SCREEN.width - rectWidth
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let maxY = SCREEN.height - rectHeight
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if (imageAspect >= screenAspect) {
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// The image has horizontal black bars. Exclude them from the safe area.
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const renderedHeight = SCREEN.width / imageAspect
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const horizontalBarHeight = (SCREEN.height - renderedHeight) / 2
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minY += horizontalBarHeight
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maxY -= horizontalBarHeight
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} else {
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// The image has vertical black bars. Exclude them from the safe area.
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const renderedWidth = SCREEN.height * imageAspect
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const verticalBarWidth = (SCREEN.width - renderedWidth) / 2
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minX += verticalBarWidth
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maxX -= verticalBarWidth
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}
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// Finally, we can position the rect according to its size and the safe area.
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let rectX
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if (maxX >= minX) {
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// Content fills the screen horizontally so we have horizontal wiggle room.
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// Try to keep the tapped point under the finger after zoom.
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rectX = touchX - touchX / zoom
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rectX = Math.min(rectX, maxX)
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rectX = Math.max(rectX, minX)
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} else {
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// Keep the rect centered on the screen so that black bars are balanced.
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rectX = SCREEN.width / 2 - rectWidth / 2
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}
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let rectY
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if (maxY >= minY) {
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// Content fills the screen vertically so we have vertical wiggle room.
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// Try to keep the tapped point under the finger after zoom.
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rectY = touchY - touchY / zoom
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rectY = Math.min(rectY, maxY)
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rectY = Math.max(rectY, minY)
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} else {
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// Keep the rect centered on the screen so that black bars are balanced.
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rectY = SCREEN.height / 2 - rectHeight / 2
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}
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return {
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x: rectX,
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y: rectY,
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height: rectHeight,
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width: rectWidth,
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}
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}
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export default React.memo(ImageItem)
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@ -8,10 +8,6 @@ type Props = {
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imageSrc: ImageSource
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onRequestClose: () => void
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onZoom: (scaled: boolean) => void
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onLongPress: (image: ImageSource) => void
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delayLongPress: number
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swipeToCloseEnabled?: boolean
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doubleTapToZoomEnabled?: boolean
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}
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const ImageItem = (_props: Props) => {
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@ -1,47 +0,0 @@
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/**
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* Copyright (c) JOB TODAY S.A. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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*/
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import {Animated} from 'react-native'
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const INITIAL_POSITION = {x: 0, y: 0}
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const ANIMATION_CONFIG = {
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duration: 200,
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useNativeDriver: true,
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}
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const useAnimatedComponents = () => {
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const headerTranslate = new Animated.ValueXY(INITIAL_POSITION)
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const footerTranslate = new Animated.ValueXY(INITIAL_POSITION)
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const toggleVisible = (isVisible: boolean) => {
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if (isVisible) {
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Animated.parallel([
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Animated.timing(headerTranslate.y, {...ANIMATION_CONFIG, toValue: 0}),
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Animated.timing(footerTranslate.y, {...ANIMATION_CONFIG, toValue: 0}),
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]).start()
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} else {
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Animated.parallel([
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Animated.timing(headerTranslate.y, {
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...ANIMATION_CONFIG,
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toValue: -300,
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}),
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Animated.timing(footerTranslate.y, {
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...ANIMATION_CONFIG,
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toValue: 300,
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}),
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]).start()
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}
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}
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const headerTransform = headerTranslate.getTranslateTransform()
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const footerTransform = footerTranslate.getTranslateTransform()
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return [headerTransform, footerTransform, toggleVisible] as const
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}
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export default useAnimatedComponents
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@ -1,150 +0,0 @@
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/**
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* Copyright (c) JOB TODAY S.A. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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*/
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import React, {useCallback} from 'react'
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import {ScrollView, NativeTouchEvent, NativeSyntheticEvent} from 'react-native'
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import {Dimensions} from '../@types'
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const DOUBLE_TAP_DELAY = 300
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const MIN_ZOOM = 2
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let lastTapTS: number | null = null
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/**
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* This is iOS only.
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* Same functionality for Android implemented inside usePanResponder hook.
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*/
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function useDoubleTapToZoom(
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scrollViewRef: React.RefObject<ScrollView>,
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scaled: boolean,
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screen: Dimensions,
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imageDimensions: Dimensions | null,
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) {
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const handleDoubleTap = useCallback(
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(event: NativeSyntheticEvent<NativeTouchEvent>) => {
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const nowTS = new Date().getTime()
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const scrollResponderRef = scrollViewRef?.current?.getScrollResponder()
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const getZoomRectAfterDoubleTap = (
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touchX: number,
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touchY: number,
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): {
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x: number
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y: number
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width: number
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height: number
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} => {
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if (!imageDimensions) {
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return {
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x: 0,
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y: 0,
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width: screen.width,
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height: screen.height,
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}
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}
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// First, let's figure out how much we want to zoom in.
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// We want to try to zoom in at least close enough to get rid of black bars.
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const imageAspect = imageDimensions.width / imageDimensions.height
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const screenAspect = screen.width / screen.height
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const zoom = Math.max(
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imageAspect / screenAspect,
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screenAspect / imageAspect,
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MIN_ZOOM,
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)
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// Unlike in the Android version, we don't constrain the *max* zoom level here.
|
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// Instead, this is done in the ScrollView props so that it constraints pinch too.
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|
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// Next, we'll be calculating the rectangle to "zoom into" in screen coordinates.
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// We already know the zoom level, so this gives us the rectangle size.
|
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let rectWidth = screen.width / zoom
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let rectHeight = screen.height / zoom
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// Before we settle on the zoomed rect, figure out the safe area it has to be inside.
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// We don't want to introduce new black bars or make existing black bars unbalanced.
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let minX = 0
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let minY = 0
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let maxX = screen.width - rectWidth
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let maxY = screen.height - rectHeight
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if (imageAspect >= screenAspect) {
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// The image has horizontal black bars. Exclude them from the safe area.
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const renderedHeight = screen.width / imageAspect
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const horizontalBarHeight = (screen.height - renderedHeight) / 2
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minY += horizontalBarHeight
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maxY -= horizontalBarHeight
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} else {
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// The image has vertical black bars. Exclude them from the safe area.
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const renderedWidth = screen.height * imageAspect
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const verticalBarWidth = (screen.width - renderedWidth) / 2
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minX += verticalBarWidth
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maxX -= verticalBarWidth
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}
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// Finally, we can position the rect according to its size and the safe area.
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let rectX
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if (maxX >= minX) {
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// Content fills the screen horizontally so we have horizontal wiggle room.
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// Try to keep the tapped point under the finger after zoom.
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rectX = touchX - touchX / zoom
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rectX = Math.min(rectX, maxX)
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rectX = Math.max(rectX, minX)
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} else {
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// Keep the rect centered on the screen so that black bars are balanced.
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rectX = screen.width / 2 - rectWidth / 2
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}
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let rectY
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if (maxY >= minY) {
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// Content fills the screen vertically so we have vertical wiggle room.
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// Try to keep the tapped point under the finger after zoom.
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rectY = touchY - touchY / zoom
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rectY = Math.min(rectY, maxY)
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rectY = Math.max(rectY, minY)
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} else {
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// Keep the rect centered on the screen so that black bars are balanced.
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rectY = screen.height / 2 - rectHeight / 2
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}
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return {
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x: rectX,
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y: rectY,
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height: rectHeight,
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width: rectWidth,
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}
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}
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if (lastTapTS && nowTS - lastTapTS < DOUBLE_TAP_DELAY) {
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let nextZoomRect = {
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x: 0,
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y: 0,
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width: screen.width,
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height: screen.height,
|
||||
}
|
||||
|
||||
const willZoom = !scaled
|
||||
if (willZoom) {
|
||||
const {pageX, pageY} = event.nativeEvent
|
||||
nextZoomRect = getZoomRectAfterDoubleTap(pageX, pageY)
|
||||
}
|
||||
|
||||
// @ts-ignore
|
||||
scrollResponderRef?.scrollResponderZoomTo({
|
||||
...nextZoomRect, // This rect is in screen coordinates
|
||||
animated: true,
|
||||
})
|
||||
} else {
|
||||
lastTapTS = nowTS
|
||||
}
|
||||
},
|
||||
[imageDimensions, scaled, screen.height, screen.width, scrollViewRef],
|
||||
)
|
||||
|
||||
return handleDoubleTap
|
||||
}
|
||||
|
||||
export default useDoubleTapToZoom
|
|
@ -8,11 +8,29 @@
|
|||
|
||||
import {useEffect, useState} from 'react'
|
||||
import {Image, ImageURISource} from 'react-native'
|
||||
|
||||
import {createCache} from '../utils'
|
||||
import {Dimensions, ImageSource} from '../@types'
|
||||
|
||||
const CACHE_SIZE = 50
|
||||
|
||||
type CacheStorageItem = {key: string; value: any}
|
||||
|
||||
const createCache = (cacheSize: number) => ({
|
||||
_storage: [] as CacheStorageItem[],
|
||||
get(key: string): any {
|
||||
const {value} =
|
||||
this._storage.find(({key: storageKey}) => storageKey === key) || {}
|
||||
|
||||
return value
|
||||
},
|
||||
set(key: string, value: any) {
|
||||
if (this._storage.length >= cacheSize) {
|
||||
this._storage.shift()
|
||||
}
|
||||
|
||||
this._storage.push({key, value})
|
||||
},
|
||||
})
|
||||
|
||||
const imageDimensionsCache = createCache(CACHE_SIZE)
|
||||
|
||||
const useImageDimensions = (image: ImageSource): Dimensions | null => {
|
||||
|
|
|
@ -1,32 +0,0 @@
|
|||
/**
|
||||
* 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 {useState} from 'react'
|
||||
import {NativeSyntheticEvent, NativeScrollEvent} from 'react-native'
|
||||
|
||||
import {Dimensions} from '../@types'
|
||||
|
||||
const useImageIndexChange = (imageIndex: number, screen: Dimensions) => {
|
||||
const [currentImageIndex, setImageIndex] = useState(imageIndex)
|
||||
const onScroll = (event: NativeSyntheticEvent<NativeScrollEvent>) => {
|
||||
const {
|
||||
nativeEvent: {
|
||||
contentOffset: {x: scrollX},
|
||||
},
|
||||
} = event
|
||||
|
||||
if (screen.width) {
|
||||
const nextIndex = Math.round(scrollX / screen.width)
|
||||
setImageIndex(nextIndex < 0 ? 0 : nextIndex)
|
||||
}
|
||||
}
|
||||
|
||||
return [currentImageIndex, onScroll] as const
|
||||
}
|
||||
|
||||
export default useImageIndexChange
|
|
@ -1,25 +0,0 @@
|
|||
/**
|
||||
* 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 {useEffect} from 'react'
|
||||
import {Image} from 'react-native'
|
||||
import {ImageSource} from '../@types'
|
||||
|
||||
const useImagePrefetch = (images: ImageSource[]) => {
|
||||
useEffect(() => {
|
||||
images.forEach(image => {
|
||||
//@ts-ignore
|
||||
if (image.uri) {
|
||||
//@ts-ignore
|
||||
return Image.prefetch(image.uri)
|
||||
}
|
||||
})
|
||||
}, [images])
|
||||
}
|
||||
|
||||
export default useImagePrefetch
|
|
@ -18,16 +18,11 @@ import {
|
|||
} from 'react-native'
|
||||
|
||||
import {Position} from '../@types'
|
||||
import {
|
||||
getDistanceBetweenTouches,
|
||||
getImageTranslate,
|
||||
getImageDimensionsByTranslate,
|
||||
} from '../utils'
|
||||
import {getImageTranslate} from '../utils'
|
||||
|
||||
const SCREEN = Dimensions.get('window')
|
||||
const SCREEN_WIDTH = SCREEN.width
|
||||
const SCREEN_HEIGHT = SCREEN.height
|
||||
const MIN_DIMENSION = Math.min(SCREEN_WIDTH, SCREEN_HEIGHT)
|
||||
const ANDROID_BAR_HEIGHT = 24
|
||||
|
||||
const MIN_ZOOM = 2
|
||||
|
@ -39,18 +34,12 @@ type Props = {
|
|||
initialScale: number
|
||||
initialTranslate: Position
|
||||
onZoom: (isZoomed: boolean) => void
|
||||
doubleTapToZoomEnabled: boolean
|
||||
onLongPress: () => void
|
||||
delayLongPress: number
|
||||
}
|
||||
|
||||
const usePanResponder = ({
|
||||
initialScale,
|
||||
initialTranslate,
|
||||
onZoom,
|
||||
doubleTapToZoomEnabled,
|
||||
onLongPress,
|
||||
delayLongPress,
|
||||
}: Props): Readonly<
|
||||
[GestureResponderHandlers, Animated.Value, Animated.ValueXY]
|
||||
> => {
|
||||
|
@ -62,9 +51,9 @@ const usePanResponder = ({
|
|||
let tmpTranslate: Position | null = null
|
||||
let isDoubleTapPerformed = false
|
||||
let lastTapTS: number | null = null
|
||||
let longPressHandlerRef: NodeJS.Timeout | null = null
|
||||
|
||||
const meaningfulShift = MIN_DIMENSION * 0.01
|
||||
// TODO: It's not valid to reinitialize Animated values during render.
|
||||
// This is a bug.
|
||||
const scaleValue = new Animated.Value(initialScale)
|
||||
const translateValue = new Animated.ValueXY(initialTranslate)
|
||||
|
||||
|
@ -155,10 +144,6 @@ const usePanResponder = ({
|
|||
return () => scaleValue.removeAllListeners()
|
||||
})
|
||||
|
||||
const cancelLongPressHandle = () => {
|
||||
longPressHandlerRef && clearTimeout(longPressHandlerRef)
|
||||
}
|
||||
|
||||
const panResponder = PanResponder.create({
|
||||
onStartShouldSetPanResponder: () => true,
|
||||
onStartShouldSetPanResponderCapture: () => true,
|
||||
|
@ -173,8 +158,6 @@ const usePanResponder = ({
|
|||
if (gestureState.numberActiveTouches > 1) {
|
||||
return
|
||||
}
|
||||
|
||||
longPressHandlerRef = setTimeout(onLongPress, delayLongPress)
|
||||
},
|
||||
onPanResponderStart: (
|
||||
event: GestureResponderEvent,
|
||||
|
@ -194,7 +177,7 @@ const usePanResponder = ({
|
|||
lastTapTS && tapTS - lastTapTS < DOUBLE_TAP_DELAY,
|
||||
)
|
||||
|
||||
if (doubleTapToZoomEnabled && isDoubleTapPerformed) {
|
||||
if (isDoubleTapPerformed) {
|
||||
let nextScale = initialScale
|
||||
let nextTranslate = initialTranslate
|
||||
|
||||
|
@ -241,15 +224,8 @@ const usePanResponder = ({
|
|||
event: GestureResponderEvent,
|
||||
gestureState: PanResponderGestureState,
|
||||
) => {
|
||||
const {dx, dy} = gestureState
|
||||
|
||||
if (Math.abs(dx) >= meaningfulShift || Math.abs(dy) >= meaningfulShift) {
|
||||
cancelLongPressHandle()
|
||||
}
|
||||
|
||||
// Don't need to handle move because double tap in progress (was handled in onStart)
|
||||
if (doubleTapToZoomEnabled && isDoubleTapPerformed) {
|
||||
cancelLongPressHandle()
|
||||
if (isDoubleTapPerformed) {
|
||||
return
|
||||
}
|
||||
|
||||
|
@ -267,8 +243,6 @@ const usePanResponder = ({
|
|||
numberInitialTouches === 2 && gestureState.numberActiveTouches === 2
|
||||
|
||||
if (isPinchGesture) {
|
||||
cancelLongPressHandle()
|
||||
|
||||
const initialDistance = getDistanceBetweenTouches(initialTouches)
|
||||
const currentDistance = getDistanceBetweenTouches(
|
||||
event.nativeEvent.touches,
|
||||
|
@ -315,7 +289,7 @@ const usePanResponder = ({
|
|||
|
||||
if (isTapGesture && currentScale > initialScale) {
|
||||
const {x, y} = currentTranslate
|
||||
// eslint-disable-next-line @typescript-eslint/no-shadow
|
||||
|
||||
const {dx, dy} = gestureState
|
||||
const [topBound, leftBound, bottomBound, rightBound] =
|
||||
getBounds(currentScale)
|
||||
|
@ -360,8 +334,6 @@ const usePanResponder = ({
|
|||
}
|
||||
},
|
||||
onPanResponderRelease: () => {
|
||||
cancelLongPressHandle()
|
||||
|
||||
if (isDoubleTapPerformed) {
|
||||
isDoubleTapPerformed = false
|
||||
}
|
||||
|
@ -428,4 +400,24 @@ const usePanResponder = ({
|
|||
return [panResponder.panHandlers, scaleValue, translateValue]
|
||||
}
|
||||
|
||||
const getImageDimensionsByTranslate = (
|
||||
translate: Position,
|
||||
screen: {width: number; height: number},
|
||||
): {width: number; height: number} => ({
|
||||
width: screen.width - translate.x * 2,
|
||||
height: screen.height - translate.y * 2,
|
||||
})
|
||||
|
||||
const getDistanceBetweenTouches = (touches: NativeTouchEvent[]): number => {
|
||||
const [a, b] = touches
|
||||
|
||||
if (a == null || b == null) {
|
||||
return 0
|
||||
}
|
||||
|
||||
return Math.sqrt(
|
||||
Math.pow(a.pageX - b.pageX, 2) + Math.pow(a.pageY - b.pageY, 2),
|
||||
)
|
||||
}
|
||||
|
||||
export default usePanResponder
|
||||
|
|
|
@ -1,24 +0,0 @@
|
|||
/**
|
||||
* 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 {useState} from 'react'
|
||||
|
||||
const useRequestClose = (onRequestClose: () => void) => {
|
||||
const [opacity, setOpacity] = useState(1)
|
||||
|
||||
return [
|
||||
opacity,
|
||||
() => {
|
||||
setOpacity(0)
|
||||
onRequestClose()
|
||||
setTimeout(() => setOpacity(1), 0)
|
||||
},
|
||||
] as const
|
||||
}
|
||||
|
||||
export default useRequestClose
|
|
@ -12,12 +12,14 @@ import React, {
|
|||
ComponentType,
|
||||
useCallback,
|
||||
useRef,
|
||||
useEffect,
|
||||
useMemo,
|
||||
useState,
|
||||
} from 'react'
|
||||
import {
|
||||
Animated,
|
||||
Dimensions,
|
||||
NativeSyntheticEvent,
|
||||
NativeScrollEvent,
|
||||
StyleSheet,
|
||||
View,
|
||||
VirtualizedList,
|
||||
|
@ -29,9 +31,6 @@ import {ModalsContainer} from '../../modals/Modal'
|
|||
import ImageItem from './components/ImageItem/ImageItem'
|
||||
import ImageDefaultHeader from './components/ImageDefaultHeader'
|
||||
|
||||
import useAnimatedComponents from './hooks/useAnimatedComponents'
|
||||
import useImageIndexChange from './hooks/useImageIndexChange'
|
||||
import useRequestClose from './hooks/useRequestClose'
|
||||
import {ImageSource} from './@types'
|
||||
import {Edge, SafeAreaView} from 'react-native-safe-area-context'
|
||||
|
||||
|
@ -41,22 +40,21 @@ type Props = {
|
|||
imageIndex: number
|
||||
visible: boolean
|
||||
onRequestClose: () => void
|
||||
onLongPress?: (image: ImageSource) => void
|
||||
onImageIndexChange?: (imageIndex: number) => void
|
||||
presentationStyle?: ModalProps['presentationStyle']
|
||||
animationType?: ModalProps['animationType']
|
||||
backgroundColor?: string
|
||||
swipeToCloseEnabled?: boolean
|
||||
doubleTapToZoomEnabled?: boolean
|
||||
delayLongPress?: number
|
||||
HeaderComponent?: ComponentType<{imageIndex: number}>
|
||||
FooterComponent?: ComponentType<{imageIndex: number}>
|
||||
}
|
||||
|
||||
const DEFAULT_BG_COLOR = '#000'
|
||||
const DEFAULT_DELAY_LONG_PRESS = 800
|
||||
const SCREEN = Dimensions.get('screen')
|
||||
const SCREEN_WIDTH = SCREEN.width
|
||||
const INITIAL_POSITION = {x: 0, y: 0}
|
||||
const ANIMATION_CONFIG = {
|
||||
duration: 200,
|
||||
useNativeDriver: true,
|
||||
}
|
||||
|
||||
function ImageViewing({
|
||||
images,
|
||||
|
@ -64,35 +62,63 @@ function ImageViewing({
|
|||
imageIndex,
|
||||
visible,
|
||||
onRequestClose,
|
||||
onLongPress = () => {},
|
||||
onImageIndexChange,
|
||||
backgroundColor = DEFAULT_BG_COLOR,
|
||||
swipeToCloseEnabled,
|
||||
doubleTapToZoomEnabled,
|
||||
delayLongPress = DEFAULT_DELAY_LONG_PRESS,
|
||||
HeaderComponent,
|
||||
FooterComponent,
|
||||
}: Props) {
|
||||
const imageList = useRef<VirtualizedList<ImageSource>>(null)
|
||||
const [opacity, onRequestCloseEnhanced] = useRequestClose(onRequestClose)
|
||||
const [currentImageIndex, onScroll] = useImageIndexChange(imageIndex, SCREEN)
|
||||
const [headerTransform, footerTransform, toggleBarsVisible] =
|
||||
useAnimatedComponents()
|
||||
const [opacity, setOpacity] = useState(1)
|
||||
const [currentImageIndex, setImageIndex] = useState(imageIndex)
|
||||
|
||||
useEffect(() => {
|
||||
if (onImageIndexChange) {
|
||||
onImageIndexChange(currentImageIndex)
|
||||
// TODO: It's not valid to reinitialize Animated values during render.
|
||||
// This is a bug.
|
||||
const headerTranslate = new Animated.ValueXY(INITIAL_POSITION)
|
||||
const footerTranslate = new Animated.ValueXY(INITIAL_POSITION)
|
||||
|
||||
const toggleBarsVisible = (isVisible: boolean) => {
|
||||
if (isVisible) {
|
||||
Animated.parallel([
|
||||
Animated.timing(headerTranslate.y, {...ANIMATION_CONFIG, toValue: 0}),
|
||||
Animated.timing(footerTranslate.y, {...ANIMATION_CONFIG, toValue: 0}),
|
||||
]).start()
|
||||
} else {
|
||||
Animated.parallel([
|
||||
Animated.timing(headerTranslate.y, {
|
||||
...ANIMATION_CONFIG,
|
||||
toValue: -300,
|
||||
}),
|
||||
Animated.timing(footerTranslate.y, {
|
||||
...ANIMATION_CONFIG,
|
||||
toValue: 300,
|
||||
}),
|
||||
]).start()
|
||||
}
|
||||
}, [currentImageIndex, onImageIndexChange])
|
||||
}
|
||||
|
||||
const onZoom = useCallback(
|
||||
(isScaled: boolean) => {
|
||||
// @ts-ignore
|
||||
imageList?.current?.setNativeProps({scrollEnabled: !isScaled})
|
||||
toggleBarsVisible(!isScaled)
|
||||
},
|
||||
[toggleBarsVisible],
|
||||
)
|
||||
const onRequestCloseEnhanced = () => {
|
||||
setOpacity(0)
|
||||
onRequestClose()
|
||||
setTimeout(() => setOpacity(1), 0)
|
||||
}
|
||||
|
||||
const onScroll = (event: NativeSyntheticEvent<NativeScrollEvent>) => {
|
||||
const {
|
||||
nativeEvent: {
|
||||
contentOffset: {x: scrollX},
|
||||
},
|
||||
} = event
|
||||
|
||||
if (SCREEN.width) {
|
||||
const nextIndex = Math.round(scrollX / SCREEN.width)
|
||||
setImageIndex(nextIndex < 0 ? 0 : nextIndex)
|
||||
}
|
||||
}
|
||||
|
||||
const onZoom = (isScaled: boolean) => {
|
||||
// @ts-ignore
|
||||
imageList?.current?.setNativeProps({scrollEnabled: !isScaled})
|
||||
toggleBarsVisible(!isScaled)
|
||||
}
|
||||
|
||||
const edges = useMemo(() => {
|
||||
if (Platform.OS === 'android') {
|
||||
|
@ -111,6 +137,8 @@ function ImageViewing({
|
|||
return null
|
||||
}
|
||||
|
||||
const headerTransform = headerTranslate.getTranslateTransform()
|
||||
const footerTransform = footerTranslate.getTranslateTransform()
|
||||
return (
|
||||
<SafeAreaView
|
||||
style={styles.screen}
|
||||
|
@ -148,10 +176,6 @@ function ImageViewing({
|
|||
onZoom={onZoom}
|
||||
imageSrc={imageSrc}
|
||||
onRequestClose={onRequestCloseEnhanced}
|
||||
onLongPress={onLongPress}
|
||||
delayLongPress={delayLongPress}
|
||||
swipeToCloseEnabled={swipeToCloseEnabled}
|
||||
doubleTapToZoomEnabled={doubleTapToZoomEnabled}
|
||||
/>
|
||||
)}
|
||||
onMomentumScrollEnd={onScroll}
|
||||
|
|
|
@ -6,42 +6,9 @@
|
|||
*
|
||||
*/
|
||||
|
||||
import {Animated, NativeTouchEvent} from 'react-native'
|
||||
import {Animated} from 'react-native'
|
||||
import {Dimensions, Position} from './@types'
|
||||
|
||||
type CacheStorageItem = {key: string; value: any}
|
||||
|
||||
export const createCache = (cacheSize: number) => ({
|
||||
_storage: [] as CacheStorageItem[],
|
||||
get(key: string): any {
|
||||
const {value} =
|
||||
this._storage.find(({key: storageKey}) => storageKey === key) || {}
|
||||
|
||||
return value
|
||||
},
|
||||
set(key: string, value: any) {
|
||||
if (this._storage.length >= cacheSize) {
|
||||
this._storage.shift()
|
||||
}
|
||||
|
||||
this._storage.push({key, value})
|
||||
},
|
||||
})
|
||||
|
||||
export const splitArrayIntoBatches = (arr: any[], batchSize: number): any[] =>
|
||||
arr.reduce((result, item) => {
|
||||
const batch = result.pop() || []
|
||||
|
||||
if (batch.length < batchSize) {
|
||||
batch.push(item)
|
||||
result.push(batch)
|
||||
} else {
|
||||
result.push(batch, [item])
|
||||
}
|
||||
|
||||
return result
|
||||
}, [])
|
||||
|
||||
export const getImageTransform = (
|
||||
image: Dimensions | null,
|
||||
screen: Dimensions,
|
||||
|
@ -97,43 +64,3 @@ export const getImageTranslate = (
|
|||
y: getTranslateForAxis('y'),
|
||||
}
|
||||
}
|
||||
|
||||
export const getImageDimensionsByTranslate = (
|
||||
translate: Position,
|
||||
screen: Dimensions,
|
||||
): Dimensions => ({
|
||||
width: screen.width - translate.x * 2,
|
||||
height: screen.height - translate.y * 2,
|
||||
})
|
||||
|
||||
export const getImageTranslateForScale = (
|
||||
currentTranslate: Position,
|
||||
targetScale: number,
|
||||
screen: Dimensions,
|
||||
): Position => {
|
||||
const {width, height} = getImageDimensionsByTranslate(
|
||||
currentTranslate,
|
||||
screen,
|
||||
)
|
||||
|
||||
const targetImageDimensions = {
|
||||
width: width * targetScale,
|
||||
height: height * targetScale,
|
||||
}
|
||||
|
||||
return getImageTranslate(targetImageDimensions, screen)
|
||||
}
|
||||
|
||||
export const getDistanceBetweenTouches = (
|
||||
touches: NativeTouchEvent[],
|
||||
): number => {
|
||||
const [a, b] = touches
|
||||
|
||||
if (a == null || b == null) {
|
||||
return 0
|
||||
}
|
||||
|
||||
return Math.sqrt(
|
||||
Math.pow(a.pageX - b.pageX, 2) + Math.pow(a.pageY - b.pageY, 2),
|
||||
)
|
||||
}
|
||||
|
|
|
@ -15,94 +15,10 @@ import * as MediaLibrary from 'expo-media-library'
|
|||
|
||||
export const Lightbox = observer(function Lightbox() {
|
||||
const store = useStores()
|
||||
const [isAltExpanded, setAltExpanded] = React.useState(false)
|
||||
const [permissionResponse, requestPermission] = MediaLibrary.usePermissions()
|
||||
|
||||
const onClose = React.useCallback(() => {
|
||||
store.shell.closeLightbox()
|
||||
}, [store])
|
||||
|
||||
const saveImageToAlbumWithToasts = React.useCallback(
|
||||
async (uri: string) => {
|
||||
if (!permissionResponse || permissionResponse.granted === false) {
|
||||
Toast.show('Permission to access camera roll is required.')
|
||||
if (permissionResponse?.canAskAgain) {
|
||||
requestPermission()
|
||||
} else {
|
||||
Toast.show(
|
||||
'Permission to access camera roll was denied. Please enable it in your system settings.',
|
||||
)
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
try {
|
||||
await saveImageToMediaLibrary({uri})
|
||||
Toast.show('Saved to your camera roll.')
|
||||
} catch (e: any) {
|
||||
Toast.show(`Failed to save image: ${String(e)}`)
|
||||
}
|
||||
},
|
||||
[permissionResponse, requestPermission],
|
||||
)
|
||||
|
||||
const LightboxFooter = React.useCallback(
|
||||
({imageIndex}: {imageIndex: number}) => {
|
||||
const lightbox = store.shell.activeLightbox
|
||||
if (!lightbox) {
|
||||
return null
|
||||
}
|
||||
|
||||
let altText = ''
|
||||
let uri = ''
|
||||
if (lightbox.name === 'images') {
|
||||
const opts = lightbox as models.ImagesLightbox
|
||||
uri = opts.images[imageIndex].uri
|
||||
altText = opts.images[imageIndex].alt || ''
|
||||
} else if (lightbox.name === 'profile-image') {
|
||||
const opts = lightbox as models.ProfileImageLightbox
|
||||
uri = opts.profileView.avatar || ''
|
||||
}
|
||||
|
||||
return (
|
||||
<View style={[styles.footer]}>
|
||||
{altText ? (
|
||||
<Pressable
|
||||
onPress={() => setAltExpanded(!isAltExpanded)}
|
||||
accessibilityRole="button">
|
||||
<Text
|
||||
style={[s.gray3, styles.footerText]}
|
||||
numberOfLines={isAltExpanded ? undefined : 3}>
|
||||
{altText}
|
||||
</Text>
|
||||
</Pressable>
|
||||
) : null}
|
||||
<View style={styles.footerBtns}>
|
||||
<Button
|
||||
type="primary-outline"
|
||||
style={styles.footerBtn}
|
||||
onPress={() => saveImageToAlbumWithToasts(uri)}>
|
||||
<FontAwesomeIcon icon={['far', 'floppy-disk']} style={s.white} />
|
||||
<Text type="xl" style={s.white}>
|
||||
Save
|
||||
</Text>
|
||||
</Button>
|
||||
<Button
|
||||
type="primary-outline"
|
||||
style={styles.footerBtn}
|
||||
onPress={() => shareImageModal({uri})}>
|
||||
<FontAwesomeIcon icon="arrow-up-from-bracket" style={s.white} />
|
||||
<Text type="xl" style={s.white}>
|
||||
Share
|
||||
</Text>
|
||||
</Button>
|
||||
</View>
|
||||
</View>
|
||||
)
|
||||
},
|
||||
[store.shell.activeLightbox, isAltExpanded, saveImageToAlbumWithToasts],
|
||||
)
|
||||
|
||||
if (!store.shell.activeLightbox) {
|
||||
return null
|
||||
} else if (store.shell.activeLightbox.name === 'profile-image') {
|
||||
|
@ -132,6 +48,92 @@ export const Lightbox = observer(function Lightbox() {
|
|||
}
|
||||
})
|
||||
|
||||
const LightboxFooter = observer(function LightboxFooter({
|
||||
imageIndex,
|
||||
}: {
|
||||
imageIndex: number
|
||||
}) {
|
||||
const store = useStores()
|
||||
const [isAltExpanded, setAltExpanded] = React.useState(false)
|
||||
const [permissionResponse, requestPermission] = MediaLibrary.usePermissions()
|
||||
|
||||
const saveImageToAlbumWithToasts = React.useCallback(
|
||||
async (uri: string) => {
|
||||
if (!permissionResponse || permissionResponse.granted === false) {
|
||||
Toast.show('Permission to access camera roll is required.')
|
||||
if (permissionResponse?.canAskAgain) {
|
||||
requestPermission()
|
||||
} else {
|
||||
Toast.show(
|
||||
'Permission to access camera roll was denied. Please enable it in your system settings.',
|
||||
)
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
try {
|
||||
await saveImageToMediaLibrary({uri})
|
||||
Toast.show('Saved to your camera roll.')
|
||||
} catch (e: any) {
|
||||
Toast.show(`Failed to save image: ${String(e)}`)
|
||||
}
|
||||
},
|
||||
[permissionResponse, requestPermission],
|
||||
)
|
||||
|
||||
const lightbox = store.shell.activeLightbox
|
||||
if (!lightbox) {
|
||||
return null
|
||||
}
|
||||
|
||||
let altText = ''
|
||||
let uri = ''
|
||||
if (lightbox.name === 'images') {
|
||||
const opts = lightbox as models.ImagesLightbox
|
||||
uri = opts.images[imageIndex].uri
|
||||
altText = opts.images[imageIndex].alt || ''
|
||||
} else if (lightbox.name === 'profile-image') {
|
||||
const opts = lightbox as models.ProfileImageLightbox
|
||||
uri = opts.profileView.avatar || ''
|
||||
}
|
||||
|
||||
return (
|
||||
<View style={[styles.footer]}>
|
||||
{altText ? (
|
||||
<Pressable
|
||||
onPress={() => setAltExpanded(!isAltExpanded)}
|
||||
accessibilityRole="button">
|
||||
<Text
|
||||
style={[s.gray3, styles.footerText]}
|
||||
numberOfLines={isAltExpanded ? undefined : 3}>
|
||||
{altText}
|
||||
</Text>
|
||||
</Pressable>
|
||||
) : null}
|
||||
<View style={styles.footerBtns}>
|
||||
<Button
|
||||
type="primary-outline"
|
||||
style={styles.footerBtn}
|
||||
onPress={() => saveImageToAlbumWithToasts(uri)}>
|
||||
<FontAwesomeIcon icon={['far', 'floppy-disk']} style={s.white} />
|
||||
<Text type="xl" style={s.white}>
|
||||
Save
|
||||
</Text>
|
||||
</Button>
|
||||
<Button
|
||||
type="primary-outline"
|
||||
style={styles.footerBtn}
|
||||
onPress={() => shareImageModal({uri})}>
|
||||
<FontAwesomeIcon icon="arrow-up-from-bracket" style={s.white} />
|
||||
<Text type="xl" style={s.white}>
|
||||
Share
|
||||
</Text>
|
||||
</Button>
|
||||
</View>
|
||||
</View>
|
||||
)
|
||||
})
|
||||
|
||||
const styles = StyleSheet.create({
|
||||
footer: {
|
||||
paddingTop: 16,
|
||||
|
|
Loading…
Reference in New Issue