vineyardbovines
838 lines
23 KiB
TypeScript
838 lines
23 KiB
TypeScript
/**
|
|
* 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.
|
|
*
|
|
*/
|
|
// Original code copied and simplified from the link below as the codebase is currently not maintained:
|
|
// https://github.com/jobtoday/react-native-image-viewing
|
|
import {useCallback, useEffect, useMemo, useRef, useState} from 'react'
|
|
import {
|
|
LayoutAnimation,
|
|
PixelRatio,
|
|
StyleSheet,
|
|
useWindowDimensions,
|
|
View,
|
|
} from 'react-native'
|
|
import {SystemBars} from 'react-native-edge-to-edge'
|
|
import {Gesture} from 'react-native-gesture-handler'
|
|
import PagerView from 'react-native-pager-view'
|
|
import Animated, {
|
|
type AnimatedRef,
|
|
cancelAnimation,
|
|
interpolate,
|
|
measure,
|
|
ReduceMotion,
|
|
runOnJS,
|
|
type SharedValue,
|
|
useAnimatedReaction,
|
|
useAnimatedRef,
|
|
useAnimatedStyle,
|
|
useDerivedValue,
|
|
useSharedValue,
|
|
withDecay,
|
|
withSpring,
|
|
type WithSpringConfig,
|
|
} from 'react-native-reanimated'
|
|
import {SafeAreaView} from 'react-native-safe-area-context'
|
|
import * as ScreenOrientation from 'expo-screen-orientation'
|
|
import {FontAwesomeIcon} from '@fortawesome/react-native-fontawesome'
|
|
import {Trans} from '@lingui/react/macro'
|
|
|
|
import {type Dimensions} from '#/lib/media/types'
|
|
import {colors, s} from '#/lib/styles'
|
|
import {type Lightbox} from '#/state/lightbox'
|
|
import {Button} from '#/view/com/util/forms/Button'
|
|
import {Text} from '#/view/com/util/text/Text'
|
|
import {ScrollView} from '#/view/com/util/Views'
|
|
import {useTheme} from '#/alf'
|
|
import {setSystemUITheme} from '#/alf/util/systemUI'
|
|
import {IS_IOS} from '#/env'
|
|
import {PlatformInfo} from '../../../../../modules/expo-bluesky-swiss-army'
|
|
import {type ImageSource, type Transform} from './@types'
|
|
import ImageDefaultHeader from './components/ImageDefaultHeader'
|
|
import ImageItem from './components/ImageItem/ImageItem'
|
|
|
|
type Rect = {x: number; y: number; width: number; height: number}
|
|
|
|
const PORTRAIT_UP = ScreenOrientation.OrientationLock.PORTRAIT_UP
|
|
const PIXEL_RATIO = PixelRatio.get()
|
|
|
|
function lockOrientationToPortrait() {
|
|
void ScreenOrientation.lockAsync(PORTRAIT_UP)
|
|
}
|
|
|
|
const SLOW_SPRING: WithSpringConfig = {
|
|
mass: IS_IOS ? 1.25 : 0.75,
|
|
damping: 300,
|
|
stiffness: 800,
|
|
restDisplacementThreshold: 0.001,
|
|
}
|
|
const FAST_SPRING: WithSpringConfig = {
|
|
mass: IS_IOS ? 1.25 : 0.75,
|
|
damping: 150,
|
|
stiffness: 900,
|
|
restDisplacementThreshold: 0.001,
|
|
}
|
|
|
|
function canAnimate(lightbox: Lightbox): boolean {
|
|
return (
|
|
!PlatformInfo.getIsReducedMotionEnabled() &&
|
|
lightbox.images.every(
|
|
img => img.thumbRect && (img.dimensions || img.thumbDimensions),
|
|
)
|
|
)
|
|
}
|
|
|
|
export default function ImageViewRoot({
|
|
lightbox: nextLightbox,
|
|
onRequestClose,
|
|
onPressSave,
|
|
onPressShare,
|
|
}: {
|
|
lightbox: Lightbox | null
|
|
onRequestClose: () => void
|
|
onPressSave: (uri: string) => void
|
|
onPressShare: (uri: string) => void
|
|
}) {
|
|
'use no memo'
|
|
const ref = useAnimatedRef<View>()
|
|
const [activeLightbox, setActiveLightbox] = useState(nextLightbox)
|
|
const [orientation, setOrientation] = useState<'portrait' | 'landscape'>(
|
|
'portrait',
|
|
)
|
|
const openProgress = useSharedValue(0)
|
|
|
|
if (!activeLightbox && nextLightbox) {
|
|
setActiveLightbox(nextLightbox)
|
|
}
|
|
|
|
useEffect(() => {
|
|
if (!nextLightbox) {
|
|
return
|
|
}
|
|
|
|
const isAnimated = canAnimate(nextLightbox)
|
|
|
|
// https://github.com/software-mansion/react-native-reanimated/issues/6677
|
|
rAF_FIXED(() => {
|
|
openProgress.set(() =>
|
|
isAnimated ? withClampedSpring(1, SLOW_SPRING) : 1,
|
|
)
|
|
})
|
|
return () => {
|
|
// https://github.com/software-mansion/react-native-reanimated/issues/6677
|
|
rAF_FIXED(() => {
|
|
openProgress.set(() =>
|
|
isAnimated ? withClampedSpring(0, SLOW_SPRING) : 0,
|
|
)
|
|
})
|
|
}
|
|
}, [nextLightbox, openProgress])
|
|
|
|
useAnimatedReaction(
|
|
() => openProgress.get() === 0,
|
|
(isGone, wasGone) => {
|
|
if (isGone && !wasGone) {
|
|
runOnJS(setActiveLightbox)(null)
|
|
}
|
|
},
|
|
)
|
|
|
|
// Delay the unlock until after we've finished the scale up animation.
|
|
useAnimatedReaction(
|
|
() => openProgress.get() === 1,
|
|
(isOpen, wasOpen) => {
|
|
if (isOpen && !wasOpen) {
|
|
runOnJS(ScreenOrientation.unlockAsync)()
|
|
}
|
|
},
|
|
)
|
|
|
|
// Lock orientation back to portrait BEFORE triggering the close animation.
|
|
// This ensures the feed re-layouts while the lightbox is still fully opaque,
|
|
// preventing the scroll-to-top issue caused by orientation change.
|
|
const lockAndClose = useCallback(() => {
|
|
if (orientation === 'landscape') {
|
|
void ScreenOrientation.lockAsync(PORTRAIT_UP).then(() => {
|
|
// Give the layout time to settle behind the lightbox.
|
|
setTimeout(onRequestClose, 500)
|
|
})
|
|
} else {
|
|
void ScreenOrientation.lockAsync(PORTRAIT_UP)
|
|
onRequestClose()
|
|
}
|
|
}, [orientation, onRequestClose])
|
|
|
|
const onFlyAway = useCallback(() => {
|
|
'worklet'
|
|
// Fly-away: image is already off-screen, dismiss immediately.
|
|
// Lock orientation after — the fast swipe makes any brief scroll
|
|
// glitch less noticeable than the close button path.
|
|
openProgress.set(0)
|
|
runOnJS(onRequestClose)()
|
|
runOnJS(lockOrientationToPortrait)()
|
|
}, [onRequestClose, openProgress])
|
|
|
|
return (
|
|
// Keep it always mounted to avoid flicker on the first frame.
|
|
<View
|
|
style={[styles.screen, !activeLightbox && styles.screenHidden]}
|
|
aria-modal
|
|
accessibilityViewIsModal
|
|
aria-hidden={!activeLightbox}>
|
|
<Animated.View
|
|
ref={ref}
|
|
style={{flex: 1}}
|
|
collapsable={false}
|
|
onLayout={e => {
|
|
const layout = e.nativeEvent.layout
|
|
setOrientation(
|
|
layout.height > layout.width ? 'portrait' : 'landscape',
|
|
)
|
|
}}>
|
|
{activeLightbox && (
|
|
<ImageView
|
|
key={activeLightbox.id + '-' + orientation}
|
|
lightbox={activeLightbox}
|
|
orientation={orientation}
|
|
onRequestClose={lockAndClose}
|
|
onPressSave={onPressSave}
|
|
onPressShare={onPressShare}
|
|
onFlyAway={onFlyAway}
|
|
safeAreaRef={ref}
|
|
openProgress={openProgress}
|
|
/>
|
|
)}
|
|
</Animated.View>
|
|
</View>
|
|
)
|
|
}
|
|
|
|
function ImageView({
|
|
lightbox,
|
|
orientation,
|
|
onRequestClose,
|
|
onPressSave,
|
|
onPressShare,
|
|
onFlyAway,
|
|
safeAreaRef,
|
|
openProgress,
|
|
}: {
|
|
lightbox: Lightbox
|
|
orientation: 'portrait' | 'landscape'
|
|
onRequestClose: () => void
|
|
onPressSave: (uri: string) => void
|
|
onPressShare: (uri: string) => void
|
|
onFlyAway: () => void
|
|
safeAreaRef: AnimatedRef<View>
|
|
openProgress: SharedValue<number>
|
|
}) {
|
|
const {images, index: initialImageIndex} = lightbox
|
|
const isAnimated = useMemo(() => canAnimate(lightbox), [lightbox])
|
|
const [isScaled, setIsScaled] = useState(false)
|
|
const [isDragging, setIsDragging] = useState(false)
|
|
const [imageIndex, setImageIndex] = useState(initialImageIndex)
|
|
const [showControls, setShowControls] = useState(true)
|
|
const [isAltExpanded, setAltExpanded] = useState(false)
|
|
const dismissSwipeTranslateY = useSharedValue(0)
|
|
const isFlyingAway = useSharedValue(false)
|
|
|
|
const containerStyle = useAnimatedStyle(() => {
|
|
if (openProgress.get() < 1) {
|
|
return {
|
|
pointerEvents: 'none',
|
|
opacity: isAnimated ? 1 : 0,
|
|
}
|
|
}
|
|
if (isFlyingAway.get()) {
|
|
return {
|
|
pointerEvents: 'none',
|
|
opacity: 1,
|
|
}
|
|
}
|
|
return {pointerEvents: 'auto', opacity: 1}
|
|
})
|
|
|
|
const backdropStyle = useAnimatedStyle(() => {
|
|
const screenSize = measure(safeAreaRef)
|
|
let opacity = 1
|
|
const openProgressValue = openProgress.get()
|
|
if (openProgressValue < 1) {
|
|
opacity = Math.sqrt(openProgressValue)
|
|
} else if (screenSize && orientation === 'portrait') {
|
|
const dragProgress = Math.min(
|
|
Math.abs(dismissSwipeTranslateY.get()) / (screenSize.height / 2),
|
|
1,
|
|
)
|
|
opacity -= dragProgress
|
|
}
|
|
const factor = IS_IOS ? 100 : 50
|
|
return {
|
|
opacity: Math.round(opacity * factor) / factor,
|
|
}
|
|
})
|
|
|
|
const animatedHeaderStyle = useAnimatedStyle(() => {
|
|
const show = showControls && dismissSwipeTranslateY.get() === 0
|
|
return {
|
|
pointerEvents: show ? 'box-none' : 'none',
|
|
opacity: withClampedSpring(
|
|
show && openProgress.get() === 1 ? 1 : 0,
|
|
FAST_SPRING,
|
|
),
|
|
transform: [
|
|
{
|
|
translateY: withClampedSpring(show ? 0 : -30, FAST_SPRING),
|
|
},
|
|
],
|
|
}
|
|
})
|
|
const animatedFooterStyle = useAnimatedStyle(() => {
|
|
const show = showControls && dismissSwipeTranslateY.get() === 0
|
|
return {
|
|
flexGrow: 1,
|
|
pointerEvents: show ? 'box-none' : 'none',
|
|
opacity: withClampedSpring(
|
|
show && openProgress.get() === 1 ? 1 : 0,
|
|
FAST_SPRING,
|
|
),
|
|
transform: [
|
|
{
|
|
translateY: withClampedSpring(show ? 0 : 30, FAST_SPRING),
|
|
},
|
|
],
|
|
}
|
|
})
|
|
|
|
const onTap = useCallback(() => {
|
|
setShowControls(show => !show)
|
|
}, [])
|
|
|
|
const onZoom = useCallback((nextIsScaled: boolean) => {
|
|
setIsScaled(nextIsScaled)
|
|
if (nextIsScaled) {
|
|
setShowControls(false)
|
|
}
|
|
}, [])
|
|
|
|
useAnimatedReaction(
|
|
() => {
|
|
const screenSize = measure(safeAreaRef)
|
|
return (
|
|
!screenSize ||
|
|
Math.abs(dismissSwipeTranslateY.get()) > screenSize.height
|
|
)
|
|
},
|
|
(isOut, wasOut) => {
|
|
if (isOut && !wasOut) {
|
|
// Stop the animation from blocking the screen forever.
|
|
cancelAnimation(dismissSwipeTranslateY)
|
|
onFlyAway()
|
|
}
|
|
},
|
|
)
|
|
|
|
// style system ui on android
|
|
const t = useTheme()
|
|
useEffect(() => {
|
|
setSystemUITheme('lightbox', t)
|
|
return () => {
|
|
setSystemUITheme('theme', t)
|
|
}
|
|
}, [t])
|
|
|
|
return (
|
|
<Animated.View style={[styles.container, containerStyle]}>
|
|
<SystemBars
|
|
style={{statusBar: 'light', navigationBar: 'light'}}
|
|
hidden={{
|
|
statusBar: isScaled || !showControls,
|
|
navigationBar: false,
|
|
}}
|
|
/>
|
|
<Animated.View
|
|
style={[styles.backdrop, backdropStyle]}
|
|
renderToHardwareTextureAndroid
|
|
/>
|
|
<PagerView
|
|
scrollEnabled={!isScaled}
|
|
initialPage={initialImageIndex}
|
|
onPageSelected={e => {
|
|
setImageIndex(e.nativeEvent.position)
|
|
setIsScaled(false)
|
|
}}
|
|
onPageScrollStateChanged={e => {
|
|
setIsDragging(e.nativeEvent.pageScrollState !== 'idle')
|
|
}}
|
|
overdrag={true}
|
|
style={styles.pager}>
|
|
{images.map((imageSrc, i) => (
|
|
<View key={imageSrc.uri}>
|
|
<LightboxImage
|
|
onTap={onTap}
|
|
onZoom={onZoom}
|
|
imageSrc={imageSrc}
|
|
onRequestClose={onRequestClose}
|
|
isScrollViewBeingDragged={isDragging}
|
|
showControls={showControls}
|
|
safeAreaRef={safeAreaRef}
|
|
isScaled={isScaled}
|
|
isFlyingAway={isFlyingAway}
|
|
isActive={i === imageIndex}
|
|
dismissSwipeTranslateY={dismissSwipeTranslateY}
|
|
openProgress={openProgress}
|
|
/>
|
|
</View>
|
|
))}
|
|
</PagerView>
|
|
<View style={styles.controls}>
|
|
<Animated.View
|
|
style={animatedHeaderStyle}
|
|
renderToHardwareTextureAndroid>
|
|
<ImageDefaultHeader onRequestClose={onRequestClose} />
|
|
</Animated.View>
|
|
<Animated.View
|
|
style={animatedFooterStyle}
|
|
renderToHardwareTextureAndroid={!isAltExpanded}>
|
|
<LightboxFooter
|
|
images={images}
|
|
index={imageIndex}
|
|
isAltExpanded={isAltExpanded}
|
|
toggleAltExpanded={() => setAltExpanded(e => !e)}
|
|
onPressSave={onPressSave}
|
|
onPressShare={onPressShare}
|
|
/>
|
|
</Animated.View>
|
|
</View>
|
|
</Animated.View>
|
|
)
|
|
}
|
|
|
|
function LightboxImage({
|
|
imageSrc,
|
|
onTap,
|
|
onZoom,
|
|
onRequestClose,
|
|
isScrollViewBeingDragged,
|
|
isScaled,
|
|
isFlyingAway,
|
|
isActive,
|
|
showControls,
|
|
safeAreaRef,
|
|
openProgress,
|
|
dismissSwipeTranslateY,
|
|
}: {
|
|
imageSrc: ImageSource
|
|
onRequestClose: () => void
|
|
onTap: () => void
|
|
onZoom: (scaled: boolean) => void
|
|
isScrollViewBeingDragged: boolean
|
|
isScaled: boolean
|
|
isActive: boolean
|
|
isFlyingAway: SharedValue<boolean>
|
|
showControls: boolean
|
|
safeAreaRef: AnimatedRef<View>
|
|
openProgress: SharedValue<number>
|
|
dismissSwipeTranslateY: SharedValue<number>
|
|
}) {
|
|
const [fetchedDims, setFetchedDims] = useState<Dimensions | null>(null)
|
|
const dims = fetchedDims ?? imageSrc.dimensions ?? imageSrc.thumbDimensions
|
|
let imageAspect: number | undefined
|
|
if (dims) {
|
|
imageAspect = dims.width / dims.height
|
|
if (Number.isNaN(imageAspect)) {
|
|
imageAspect = undefined
|
|
}
|
|
}
|
|
|
|
const {
|
|
width: widthDelayedForJSThreadOnly,
|
|
height: heightDelayedForJSThreadOnly,
|
|
} = useWindowDimensions()
|
|
const measureSafeArea = useCallback(() => {
|
|
'worklet'
|
|
let safeArea: Rect | null = measure(safeAreaRef)
|
|
if (!safeArea) {
|
|
if (_WORKLET) {
|
|
console.error('Expected to always be able to measure safe area.')
|
|
}
|
|
safeArea = {
|
|
x: 0,
|
|
y: 0,
|
|
width: widthDelayedForJSThreadOnly,
|
|
height: heightDelayedForJSThreadOnly,
|
|
}
|
|
}
|
|
return safeArea
|
|
}, [safeAreaRef, heightDelayedForJSThreadOnly, widthDelayedForJSThreadOnly])
|
|
|
|
const {thumbRect} = imageSrc
|
|
const transforms = useDerivedValue(() => {
|
|
'worklet'
|
|
const safeArea = measureSafeArea()
|
|
const openProgressValue = openProgress.get()
|
|
const dismissTranslateY =
|
|
isActive && openProgressValue === 1 ? dismissSwipeTranslateY.get() : 0
|
|
|
|
if (openProgressValue === 0 && isFlyingAway.get()) {
|
|
return {
|
|
isHidden: true,
|
|
isResting: false,
|
|
scaleAndMoveTransform: [],
|
|
cropFrameTransform: [],
|
|
cropContentTransform: [],
|
|
}
|
|
}
|
|
|
|
if (isActive && thumbRect && imageAspect && openProgressValue < 1) {
|
|
return interpolateTransform(
|
|
openProgressValue,
|
|
thumbRect,
|
|
safeArea,
|
|
imageAspect,
|
|
)
|
|
}
|
|
return {
|
|
isHidden: false,
|
|
isResting: dismissTranslateY === 0,
|
|
scaleAndMoveTransform: [{translateY: dismissTranslateY}],
|
|
cropFrameTransform: [],
|
|
cropContentTransform: [],
|
|
}
|
|
})
|
|
|
|
const dismissSwipePan = Gesture.Pan()
|
|
.enabled(isActive && !isScaled)
|
|
.activeOffsetY([-10, 10])
|
|
.failOffsetX([-10, 10])
|
|
.maxPointers(1)
|
|
.onUpdate(e => {
|
|
'worklet'
|
|
if (openProgress.get() !== 1 || isFlyingAway.get()) {
|
|
return
|
|
}
|
|
dismissSwipeTranslateY.set(e.translationY)
|
|
})
|
|
.onEnd(e => {
|
|
'worklet'
|
|
if (openProgress.get() !== 1 || isFlyingAway.get()) {
|
|
return
|
|
}
|
|
if (Math.abs(e.velocityY) > 200) {
|
|
isFlyingAway.set(true)
|
|
if (dismissSwipeTranslateY.get() === 0) {
|
|
// HACK: If the initial value is 0, withDecay() animation doesn't start.
|
|
// This is a bug in Reanimated, but for now we'll work around it like this.
|
|
dismissSwipeTranslateY.set(1)
|
|
}
|
|
dismissSwipeTranslateY.set(() => {
|
|
'worklet'
|
|
return withDecay({
|
|
velocity: e.velocityY,
|
|
velocityFactor: Math.max(3500 / Math.abs(e.velocityY), 1), // Speed up if it's too slow.
|
|
deceleration: 1, // Danger! This relies on the reaction below stopping it.
|
|
reduceMotion: ReduceMotion.Never, // If this animation doesn't run, the image gets stuck - therefore override Reduce Motion
|
|
})
|
|
})
|
|
} else {
|
|
dismissSwipeTranslateY.set(() => {
|
|
'worklet'
|
|
return withSpring(0, {
|
|
stiffness: 700,
|
|
damping: 50,
|
|
reduceMotion: ReduceMotion.Never,
|
|
})
|
|
})
|
|
}
|
|
})
|
|
|
|
return (
|
|
<ImageItem
|
|
imageSrc={imageSrc}
|
|
onTap={onTap}
|
|
onZoom={onZoom}
|
|
onRequestClose={onRequestClose}
|
|
onLoad={setFetchedDims}
|
|
isScrollViewBeingDragged={isScrollViewBeingDragged}
|
|
showControls={showControls}
|
|
measureSafeArea={measureSafeArea}
|
|
imageAspect={imageAspect}
|
|
imageDimensions={dims ?? undefined}
|
|
dismissSwipePan={dismissSwipePan}
|
|
transforms={transforms}
|
|
/>
|
|
)
|
|
}
|
|
|
|
function LightboxFooter({
|
|
images,
|
|
index,
|
|
isAltExpanded,
|
|
toggleAltExpanded,
|
|
onPressSave,
|
|
onPressShare,
|
|
}: {
|
|
images: ImageSource[]
|
|
index: number
|
|
isAltExpanded: boolean
|
|
toggleAltExpanded: () => void
|
|
onPressSave: (uri: string) => void
|
|
onPressShare: (uri: string) => void
|
|
}) {
|
|
const {alt: altText, uri} = images[index]
|
|
const isMomentumScrolling = useRef(false)
|
|
return (
|
|
<ScrollView
|
|
style={styles.footerScrollView}
|
|
scrollEnabled={isAltExpanded}
|
|
onMomentumScrollBegin={() => {
|
|
isMomentumScrolling.current = true
|
|
}}
|
|
onMomentumScrollEnd={() => {
|
|
isMomentumScrolling.current = false
|
|
}}
|
|
contentContainerStyle={{
|
|
paddingVertical: 12,
|
|
paddingHorizontal: 24,
|
|
}}>
|
|
<SafeAreaView edges={['bottom']}>
|
|
{altText ? (
|
|
<View accessibilityRole="button" style={styles.footerText}>
|
|
<Text
|
|
style={[s.gray3]}
|
|
numberOfLines={isAltExpanded ? undefined : 3}
|
|
selectable
|
|
onPress={() => {
|
|
if (isMomentumScrolling.current) {
|
|
return
|
|
}
|
|
LayoutAnimation.configureNext({
|
|
duration: 450,
|
|
update: {type: 'spring', springDamping: 1},
|
|
})
|
|
toggleAltExpanded()
|
|
}}
|
|
onLongPress={() => {}}
|
|
emoji>
|
|
{altText}
|
|
</Text>
|
|
</View>
|
|
) : null}
|
|
<View style={styles.footerBtns}>
|
|
<Button
|
|
type="primary-outline"
|
|
style={styles.footerBtn}
|
|
onPress={() => onPressSave(uri)}>
|
|
<FontAwesomeIcon icon={['far', 'floppy-disk']} style={s.white} />
|
|
<Text type="xl" style={s.white}>
|
|
<Trans context="action">Save</Trans>
|
|
</Text>
|
|
</Button>
|
|
<Button
|
|
type="primary-outline"
|
|
style={styles.footerBtn}
|
|
onPress={() => onPressShare(uri)}>
|
|
<FontAwesomeIcon icon="arrow-up-from-bracket" style={s.white} />
|
|
<Text type="xl" style={s.white}>
|
|
<Trans context="action">Share</Trans>
|
|
</Text>
|
|
</Button>
|
|
</View>
|
|
</SafeAreaView>
|
|
</ScrollView>
|
|
)
|
|
}
|
|
|
|
const styles = StyleSheet.create({
|
|
screen: {
|
|
position: 'absolute',
|
|
top: 0,
|
|
left: 0,
|
|
bottom: 0,
|
|
right: 0,
|
|
},
|
|
screenHidden: {
|
|
opacity: 0,
|
|
pointerEvents: 'none',
|
|
},
|
|
container: {
|
|
flex: 1,
|
|
},
|
|
backdrop: {
|
|
backgroundColor: '#000',
|
|
position: 'absolute',
|
|
top: 0,
|
|
bottom: 0,
|
|
left: 0,
|
|
right: 0,
|
|
},
|
|
controls: {
|
|
position: 'absolute',
|
|
top: 0,
|
|
bottom: 0,
|
|
left: 0,
|
|
right: 0,
|
|
gap: 20,
|
|
zIndex: 1,
|
|
pointerEvents: 'box-none',
|
|
},
|
|
pager: {
|
|
flex: 1,
|
|
},
|
|
header: {
|
|
position: 'absolute',
|
|
width: '100%',
|
|
top: 0,
|
|
pointerEvents: 'box-none',
|
|
},
|
|
footer: {
|
|
position: 'absolute',
|
|
width: '100%',
|
|
maxHeight: '100%',
|
|
bottom: 0,
|
|
},
|
|
footerScrollView: {
|
|
backgroundColor: '#000d',
|
|
flex: 1,
|
|
position: 'absolute',
|
|
bottom: 0,
|
|
width: '100%',
|
|
maxHeight: '100%',
|
|
},
|
|
footerText: {
|
|
paddingBottom: IS_IOS ? 20 : 16,
|
|
},
|
|
footerBtns: {
|
|
flexDirection: 'row',
|
|
justifyContent: 'center',
|
|
gap: 8,
|
|
},
|
|
footerBtn: {
|
|
flexDirection: 'row',
|
|
alignItems: 'center',
|
|
gap: 8,
|
|
backgroundColor: 'transparent',
|
|
borderColor: colors.white,
|
|
},
|
|
})
|
|
|
|
function interpolatePx(
|
|
px: number,
|
|
inputRange: readonly number[],
|
|
outputRange: readonly number[],
|
|
) {
|
|
'worklet'
|
|
const value = interpolate(px, inputRange, outputRange)
|
|
return Math.round(value * PIXEL_RATIO) / PIXEL_RATIO
|
|
}
|
|
|
|
function interpolateTransform(
|
|
progress: number,
|
|
thumbnailDims: {
|
|
pageX: number
|
|
width: number
|
|
pageY: number
|
|
height: number
|
|
},
|
|
safeArea: {width: number; height: number; x: number; y: number},
|
|
imageAspect: number,
|
|
): {
|
|
scaleAndMoveTransform: Transform
|
|
cropFrameTransform: Transform
|
|
cropContentTransform: Transform
|
|
isResting: boolean
|
|
isHidden: boolean
|
|
} {
|
|
'worklet'
|
|
const thumbAspect = thumbnailDims.width / thumbnailDims.height
|
|
let uncroppedInitialWidth
|
|
let uncroppedInitialHeight
|
|
if (imageAspect > thumbAspect) {
|
|
uncroppedInitialWidth = thumbnailDims.height * imageAspect
|
|
uncroppedInitialHeight = thumbnailDims.height
|
|
} else {
|
|
uncroppedInitialWidth = thumbnailDims.width
|
|
uncroppedInitialHeight = thumbnailDims.width / imageAspect
|
|
}
|
|
const safeAreaAspect = safeArea.width / safeArea.height
|
|
let finalWidth
|
|
let finalHeight
|
|
if (safeAreaAspect > imageAspect) {
|
|
finalWidth = safeArea.height * imageAspect
|
|
finalHeight = safeArea.height
|
|
} else {
|
|
finalWidth = safeArea.width
|
|
finalHeight = safeArea.width / imageAspect
|
|
}
|
|
const initialScale = Math.min(
|
|
uncroppedInitialWidth / finalWidth,
|
|
uncroppedInitialHeight / finalHeight,
|
|
)
|
|
const croppedFinalWidth = thumbnailDims.width / initialScale
|
|
const croppedFinalHeight = thumbnailDims.height / initialScale
|
|
const screenCenterX = safeArea.width / 2
|
|
const screenCenterY = safeArea.height / 2
|
|
const thumbnailSafeAreaX = thumbnailDims.pageX - safeArea.x
|
|
const thumbnailSafeAreaY = thumbnailDims.pageY - safeArea.y
|
|
const thumbnailCenterX = thumbnailSafeAreaX + thumbnailDims.width / 2
|
|
const thumbnailCenterY = thumbnailSafeAreaY + thumbnailDims.height / 2
|
|
const initialTranslateX = thumbnailCenterX - screenCenterX
|
|
const initialTranslateY = thumbnailCenterY - screenCenterY
|
|
const scale = interpolate(progress, [0, 1], [initialScale, 1])
|
|
const translateX = interpolatePx(progress, [0, 1], [initialTranslateX, 0])
|
|
const translateY = interpolatePx(progress, [0, 1], [initialTranslateY, 0])
|
|
const cropScaleX = interpolate(
|
|
progress,
|
|
[0, 1],
|
|
[croppedFinalWidth / finalWidth, 1],
|
|
)
|
|
const cropScaleY = interpolate(
|
|
progress,
|
|
[0, 1],
|
|
[croppedFinalHeight / finalHeight, 1],
|
|
)
|
|
return {
|
|
isHidden: false,
|
|
isResting: progress === 1,
|
|
scaleAndMoveTransform: [{translateX}, {translateY}, {scale}],
|
|
cropFrameTransform: [{scaleX: cropScaleX}, {scaleY: cropScaleY}],
|
|
cropContentTransform: [{scaleX: 1 / cropScaleX}, {scaleY: 1 / cropScaleY}],
|
|
}
|
|
}
|
|
|
|
function withClampedSpring(value: any, config: WithSpringConfig) {
|
|
'worklet'
|
|
return withSpring(value, {...config, overshootClamping: true})
|
|
}
|
|
|
|
// We have to do this because we can't trust RN's rAF to fire in order.
|
|
// https://github.com/facebook/react-native/issues/48005
|
|
let isFrameScheduled = false
|
|
let pendingFrameCallbacks: Array<() => void> = []
|
|
function rAF_FIXED(callback: () => void) {
|
|
pendingFrameCallbacks.push(callback)
|
|
if (!isFrameScheduled) {
|
|
isFrameScheduled = true
|
|
requestAnimationFrame(() => {
|
|
const callbacks = pendingFrameCallbacks.slice()
|
|
isFrameScheduled = false
|
|
pendingFrameCallbacks = []
|
|
let hasError = false
|
|
let error
|
|
for (let i = 0; i < callbacks.length; i++) {
|
|
try {
|
|
callbacks[i]()
|
|
} catch (e) {
|
|
hasError = true
|
|
error = e
|
|
}
|
|
}
|
|
if (hasError) {
|
|
throw error
|
|
}
|
|
})
|
|
}
|
|
}
|