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import React, {useState} from 'react'
import {
Animated,
Image,
SafeAreaView,
StyleSheet,
TouchableOpacity,
useWindowDimensions,
View,
} from 'react-native'
import {TabView, SceneMap, Route, TabBarProps} from 'react-native-tab-view'
import {FontAwesomeIcon} from '@fortawesome/react-native-fontawesome'
import {Text} from '../util/text/Text'
import {UserGroupIcon} from '../../lib/icons'
import {useStores} from '../../../state'
import {s} from '../../lib/styles'
import {SCENE_EXPLAINER, TABS_EXPLAINER} from '../../lib/assets'
import {TABS_ENABLED} from '../../../build-flags'
const Intro = () => (
<View style={styles.explainer}>
<Text
style={[
styles.explainerHeading,
s.normal,
{lineHeight: 60, paddingTop: 50, paddingBottom: 50},
]}>
Welcome to <Text style={[s.bold, s.blue3, {fontSize: 56}]}>Bluesky</Text>
</Text>
<Text style={[styles.explainerDesc, {fontSize: 24}]}>
Let's do a quick tour through the new features.
</Text>
</View>
)
const Scenes = () => (
<View style={styles.explainer}>
<View style={styles.explainerIcon}>
<View style={s.flex1} />
<UserGroupIcon style={s.black} size="48" />
<View style={s.flex1} />
</View>
<Text style={styles.explainerHeading}>Scenes</Text>
<Text style={styles.explainerDesc}>
Scenes are invite-only groups of users. Follow them to see what's trending
with the scene's members.
</Text>
<Text style={styles.explainerDesc}>
<Image source={SCENE_EXPLAINER} style={styles.explainerImg} />
</Text>
</View>
)
const Tabs = () => (
<View style={styles.explainer}>
<View style={styles.explainerIcon}>
<View style={s.flex1} />
<FontAwesomeIcon
icon={['far', 'clone']}
style={[s.black, s.mb5]}
size={36}
/>
<View style={s.flex1} />
</View>
<Text style={styles.explainerHeading}>Tabs</Text>
<Text style={styles.explainerDesc}>
Never lose your place! Long-press to open posts and profiles in a new tab.
</Text>
<Text style={styles.explainerDesc}>
<Image source={TABS_EXPLAINER} style={styles.explainerImg} />
</Text>
</View>
)
const SCENE_MAP = {
intro: Intro,
scenes: Scenes,
tabs: Tabs,
}
const renderScene = SceneMap(SCENE_MAP)
export const FeatureExplainer = () => {
const layout = useWindowDimensions()
const store = useStores()
const [index, setIndex] = useState(0)
const routes = [
{key: 'intro', title: 'Intro'},
{key: 'scenes', title: 'Scenes'},
TABS_ENABLED ? {key: 'tabs', title: 'Tabs'} : undefined,
].filter(Boolean)
const onPressSkip = () => store.onboard.next()
const onPressNext = () => {
if (index >= routes.length - 1) {
store.onboard.next()
} else {
setIndex(index + 1)
}
}
const renderTabBar = (props: TabBarProps<Route>) => {
const inputRange = props.navigationState.routes.map((x, i) => i)
return (
<View style={styles.tabBar}>
<View style={s.flex1} />
{props.navigationState.routes.map((route, i) => {
const opacity = props.position.interpolate({
inputRange,
outputRange: inputRange.map(inputIndex =>
inputIndex === i ? 1 : 0.5,
),
})
return (
<TouchableOpacity
key={i}
style={styles.tabItem}
onPress={() => setIndex(i)}>
<Animated.Text style={{opacity}}>°</Animated.Text>
</TouchableOpacity>
)
})}
<View style={s.flex1} />
</View>
)
}
const FirstExplainer = SCENE_MAP[routes[0]?.key as keyof typeof SCENE_MAP]
return (
<SafeAreaView style={styles.container}>
{routes.length > 1 ? (
<TabView
navigationState={{index, routes}}
renderScene={renderScene}
renderTabBar={renderTabBar}
onIndexChange={setIndex}
initialLayout={{width: layout.width}}
tabBarPosition="bottom"
/>
) : FirstExplainer ? (
<FirstExplainer />
) : (
<View />
)}
<View style={styles.footer}>
<TouchableOpacity onPress={onPressSkip}>
<Text style={[s.blue3, s.f18]}>Skip</Text>
</TouchableOpacity>
<View style={s.flex1} />
<TouchableOpacity onPress={onPressNext}>
<Text style={[s.blue3, s.f18]}>Next</Text>
</TouchableOpacity>
</View>
</SafeAreaView>
)
}
const styles = StyleSheet.create({
container: {
flex: 1,
},
tabBar: {
flexDirection: 'row',
},
tabItem: {
alignItems: 'center',
padding: 16,
},
explainer: {
flex: 1,
paddingHorizontal: 16,
paddingTop: 80,
},
explainerIcon: {
flexDirection: 'row',
},
explainerHeading: {
fontSize: 42,
fontWeight: 'bold',
textAlign: 'center',
marginBottom: 16,
},
explainerDesc: {
fontSize: 18,
textAlign: 'center',
marginBottom: 16,
},
explainerImg: {
resizeMode: 'contain',
maxWidth: '100%',
maxHeight: 330,
},
footer: {
flexDirection: 'row',
paddingHorizontal: 32,
paddingBottom: 24,
},
})
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