403 lines
11 KiB
TypeScript
403 lines
11 KiB
TypeScript
import React, {useState, useEffect, useRef} from 'react'
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import {observer} from 'mobx-react-lite'
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import {
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useWindowDimensions,
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FlatList,
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GestureResponderEvent,
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SafeAreaView,
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StyleSheet,
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Text,
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TouchableOpacity,
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View,
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ViewStyle,
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} from 'react-native'
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import {ScreenContainer, Screen} from 'react-native-screens'
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import LinearGradient from 'react-native-linear-gradient'
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import {GestureDetector, Gesture} from 'react-native-gesture-handler'
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import Animated, {
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useSharedValue,
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useAnimatedStyle,
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withTiming,
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runOnJS,
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interpolate,
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} from 'react-native-reanimated'
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import {FontAwesomeIcon} from '@fortawesome/react-native-fontawesome'
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import {IconProp} from '@fortawesome/fontawesome-svg-core'
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import {useStores} from '../../../state'
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import {NavigationModel} from '../../../state/models/navigation'
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import {match, MatchResult} from '../../routes'
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import {Login} from '../../screens/Login'
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import {Onboard} from '../../screens/Onboard'
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import {Modal} from '../../com/modals/Modal'
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import {MainMenu} from './MainMenu'
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import {TabsSelector} from './TabsSelector'
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import {Composer} from './Composer'
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import {s, colors} from '../../lib/styles'
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import {
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GridIcon,
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HomeIcon,
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MangifyingGlassIcon,
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BellIcon,
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} from '../../lib/icons'
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const SWIPE_GESTURE_DIST_TRIGGER = 0.5
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const SWIPE_GESTURE_VEL_TRIGGER = 2500
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const Btn = ({
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icon,
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inactive,
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notificationCount,
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onPress,
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onLongPress,
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}: {
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icon: IconProp | 'menu' | 'house' | 'bell' | 'search'
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inactive?: boolean
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notificationCount?: number
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onPress?: (event: GestureResponderEvent) => void
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onLongPress?: (event: GestureResponderEvent) => void
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}) => {
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let size = 21
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let addedStyles
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let IconEl
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if (icon === 'menu') {
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IconEl = GridIcon
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} else if (icon === 'house') {
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IconEl = HomeIcon
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size = 24
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} else if (icon === 'search') {
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IconEl = MangifyingGlassIcon
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size = 24
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addedStyles = {position: 'relative', top: -1} as ViewStyle
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} else if (icon === 'bell') {
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IconEl = BellIcon
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size = 24
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addedStyles = {position: 'relative', top: -1} as ViewStyle
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} else {
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IconEl = FontAwesomeIcon
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}
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if (inactive) {
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return (
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<View style={styles.ctrl}>
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{notificationCount ? (
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<View style={styles.ctrlCount}>
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<Text style={styles.ctrlCountLabel}>{notificationCount}</Text>
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</View>
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) : undefined}
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<IconEl
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size={size}
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style={[styles.ctrlIcon, styles.inactive, addedStyles]}
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icon={icon}
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/>
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</View>
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)
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}
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return (
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<TouchableOpacity
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style={styles.ctrl}
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onPress={onLongPress ? onPress : undefined}
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onPressIn={onLongPress ? undefined : onPress}
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onLongPress={onLongPress}>
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{notificationCount ? (
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<View style={styles.ctrlCount}>
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<Text style={styles.ctrlCountLabel}>{notificationCount}</Text>
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</View>
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) : undefined}
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<IconEl size={size} style={[styles.ctrlIcon, addedStyles]} icon={icon} />
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</TouchableOpacity>
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)
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}
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export const MobileShell: React.FC = observer(() => {
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const store = useStores()
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const [isMainMenuActive, setMainMenuActive] = useState(false)
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const [isTabsSelectorActive, setTabsSelectorActive] = useState(false)
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const scrollElRef = useRef<FlatList | undefined>()
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const winDim = useWindowDimensions()
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const swipeGestureInterp = useSharedValue<number>(0)
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const screenRenderDesc = constructScreenRenderDesc(store.nav)
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const onPressHome = () => {
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if (store.nav.tab.current.url === '/') {
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scrollElRef.current?.scrollToOffset({offset: 0})
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} else {
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store.nav.navigate('/')
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}
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}
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const onPressSearch = () => store.nav.navigate('/search')
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const onPressMenu = () => setMainMenuActive(true)
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const onPressNotifications = () => store.nav.navigate('/notifications')
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const onPressTabs = () => setTabsSelectorActive(true)
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const goBack = () => store.nav.tab.goBack()
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const swipeGesture = Gesture.Pan()
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.onUpdate(e => {
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if (store.nav.tab.canGoBack) {
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swipeGestureInterp.value = Math.max(e.translationX / winDim.width, 0)
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}
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})
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.onEnd(e => {
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if (
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swipeGestureInterp.value >= SWIPE_GESTURE_DIST_TRIGGER ||
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e.velocityX > SWIPE_GESTURE_VEL_TRIGGER
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) {
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swipeGestureInterp.value = withTiming(1, {duration: 100}, () => {
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runOnJS(goBack)()
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})
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} else {
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swipeGestureInterp.value = withTiming(0, {duration: 100})
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}
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})
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useEffect(() => {
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// reset the swipe interopolation when the page changes
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swipeGestureInterp.value = 0
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}, [swipeGestureInterp, store.nav.tab.current])
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const swipeTransform = useAnimatedStyle(() => ({
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transform: [{translateX: swipeGestureInterp.value * winDim.width}],
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}))
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const swipeOpacity = useAnimatedStyle(() => ({
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opacity: interpolate(swipeGestureInterp.value, [0, 1.0], [0.6, 0.0]),
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}))
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if (!store.session.isAuthed) {
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return (
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<LinearGradient
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colors={['#007CFF', '#00BCFF']}
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start={{x: 0, y: 0.8}}
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end={{x: 0, y: 1}}
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style={styles.outerContainer}>
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<SafeAreaView style={styles.innerContainer}>
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<Login />
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</SafeAreaView>
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</LinearGradient>
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)
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}
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if (store.onboard.isOnboarding) {
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return (
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<View style={styles.outerContainer}>
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<View style={styles.innerContainer}>
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<Onboard />
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</View>
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</View>
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)
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}
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return (
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<View style={styles.outerContainer}>
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<SafeAreaView style={styles.innerContainer}>
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<GestureDetector gesture={swipeGesture}>
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<ScreenContainer style={styles.screenContainer}>
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{screenRenderDesc.screens.map(
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({Com, params, key, current, previous}) => {
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return (
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<Screen
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key={key}
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style={[StyleSheet.absoluteFill]}
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activityState={current ? 2 : previous ? 1 : 0}>
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<Animated.View
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style={
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current ? [styles.screenMask, swipeOpacity] : undefined
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}
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/>
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<Animated.View
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style={[
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s.flex1,
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styles.screen,
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current ? swipeTransform : undefined,
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]}>
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<Com
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params={params}
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visible={true}
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scrollElRef={current ? scrollElRef : undefined}
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/>
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</Animated.View>
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</Screen>
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)
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},
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)}
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</ScreenContainer>
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</GestureDetector>
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</SafeAreaView>
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<View style={styles.bottomBar}>
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<Btn icon="house" onPress={onPressHome} />
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<Btn icon="search" onPress={onPressSearch} />
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<Btn icon="menu" onPress={onPressMenu} />
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<Btn
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icon="bell"
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onPress={onPressNotifications}
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notificationCount={store.me.notificationCount}
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/>
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<Btn icon={['far', 'clone']} onPress={onPressTabs} />
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</View>
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<Modal />
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<MainMenu
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active={isMainMenuActive}
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onClose={() => setMainMenuActive(false)}
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/>
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<TabsSelector
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active={isTabsSelectorActive}
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onClose={() => setTabsSelectorActive(false)}
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/>
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<Composer
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active={store.shell.isComposerActive}
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onClose={() => store.shell.closeComposer()}
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winHeight={winDim.height}
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replyTo={store.shell.composerOpts?.replyTo}
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onPost={store.shell.composerOpts?.onPost}
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/>
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</View>
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)
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})
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/**
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* This method produces the information needed by the shell to
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* render the current screens with screen-caching behaviors.
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*/
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type ScreenRenderDesc = MatchResult & {
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key: string
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current: boolean
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previous: boolean
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}
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function constructScreenRenderDesc(nav: NavigationModel): {
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icon: IconProp
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screens: ScreenRenderDesc[]
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} {
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let icon: IconProp = 'magnifying-glass'
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let screens: ScreenRenderDesc[] = []
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for (const tab of nav.tabs) {
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const tabScreens = [
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...tab.getBackList(5),
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Object.assign({}, tab.current, {index: tab.index}),
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]
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const parsedTabScreens = tabScreens.map(screen => {
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const isCurrent = nav.isCurrentScreen(tab.id, screen.index)
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const isPrevious = nav.isCurrentScreen(tab.id, screen.index + 1)
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const matchRes = match(screen.url)
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if (isCurrent) {
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icon = matchRes.icon
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}
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return Object.assign(matchRes, {
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key: `t${tab.id}-s${screen.index}`,
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current: isCurrent,
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previous: isPrevious,
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}) as ScreenRenderDesc
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})
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screens = screens.concat(parsedTabScreens)
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}
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return {
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icon,
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screens,
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}
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}
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const styles = StyleSheet.create({
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outerContainer: {
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height: '100%',
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},
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innerContainer: {
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flex: 1,
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},
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screenContainer: {
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flex: 1,
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},
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screen: {
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backgroundColor: colors.gray1,
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},
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screenMask: {
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position: 'absolute',
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top: 0,
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bottom: 0,
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left: 0,
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right: 0,
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backgroundColor: '#000',
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opacity: 0.5,
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},
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topBar: {
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flexDirection: 'row',
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backgroundColor: colors.white,
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borderBottomWidth: 1,
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borderBottomColor: colors.gray2,
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paddingLeft: 10,
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paddingRight: 10,
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paddingTop: 40,
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paddingBottom: 5,
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},
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avi: {
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width: 34,
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height: 34,
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marginRight: 8,
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borderRadius: 17,
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},
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location: {
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flex: 1,
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flexDirection: 'row',
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borderRadius: 6,
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paddingLeft: 12,
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paddingRight: 6,
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paddingTop: 9,
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paddingBottom: 9,
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backgroundColor: colors.gray1,
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},
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locationIcon: {
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color: colors.gray5,
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marginTop: 3,
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marginRight: 6,
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},
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locationIconNudgeUp: {
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marginTop: 2,
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},
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locationIconLight: {
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color: colors.gray5,
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marginTop: 2,
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marginRight: 8,
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},
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locationText: {
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color: colors.black,
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},
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locationTextLight: {
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color: colors.gray4,
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},
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topBarBtn: {
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marginLeft: 8,
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justifyContent: 'center',
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borderRadius: 6,
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paddingHorizontal: 6,
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},
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bottomBar: {
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flexDirection: 'row',
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backgroundColor: colors.white,
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borderTopWidth: 1,
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borderTopColor: colors.gray2,
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paddingLeft: 5,
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paddingRight: 15,
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paddingBottom: 20,
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},
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ctrl: {
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flex: 1,
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paddingTop: 15,
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paddingBottom: 15,
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},
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ctrlCount: {
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position: 'absolute',
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left: 46,
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top: 10,
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backgroundColor: colors.red3,
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paddingHorizontal: 4,
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paddingBottom: 1,
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borderRadius: 8,
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},
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ctrlCountLabel: {
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fontSize: 12,
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fontWeight: 'bold',
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color: colors.white,
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},
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ctrlIcon: {
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color: colors.black,
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marginLeft: 'auto',
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marginRight: 'auto',
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},
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inactive: {
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color: colors.gray3,
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},
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})
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