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import React from 'react'
import {observer} from 'mobx-react-lite'
import {View, StyleSheet} from 'react-native'
import {IconProp} from '@fortawesome/fontawesome-svg-core'
import {useStores} from 'state/index'
import {NavigationModel} from 'state/models/navigation'
import {match, MatchResult} from '../../routes'
import {DesktopHeader} from './DesktopHeader'
import {Login} from '../../screens/Login'
import {ErrorBoundary} from '../../com/util/ErrorBoundary'
import {Lightbox} from '../../com/lightbox/Lightbox'
import {ModalsContainer} from '../../com/modals/Modal'
import {Text} from 'view/com/util/text/Text'
import {Composer} from './Composer'
import {usePalette} from 'lib/hooks/usePalette'
import {useColorSchemeStyle} from 'lib/hooks/useColorSchemeStyle'
import {s, colors} from 'lib/styles'
import {isMobileWeb} from 'platform/detection'
export const WebShell: React.FC = observer(() => {
const pageBg = useColorSchemeStyle(styles.bgLight, styles.bgDark)
const store = useStores()
const screenRenderDesc = constructScreenRenderDesc(store.nav)
if (isMobileWeb) {
return <NoMobileWeb />
}
if (!store.session.hasSession) {
return (
<View style={styles.outerContainer}>
<Login />
<ModalsContainer />
</View>
)
}
return (
<View style={[styles.outerContainer, pageBg]}>
<DesktopHeader />
{screenRenderDesc.screens.map(({Com, navIdx, params, key, current}) => (
<View
key={key}
style={[s.hContentRegion, current ? styles.visible : styles.hidden]}>
<ErrorBoundary>
<Com params={params} navIdx={navIdx} visible={current} />
</ErrorBoundary>
</View>
))}
<Composer
active={store.shell.isComposerActive}
onClose={() => store.shell.closeComposer()}
winHeight={0}
replyTo={store.shell.composerOpts?.replyTo}
imagesOpen={store.shell.composerOpts?.imagesOpen}
onPost={store.shell.composerOpts?.onPost}
/>
<ModalsContainer />
<Lightbox />
</View>
)
})
/**
* This method produces the information needed by the shell to
* render the current screens with screen-caching behaviors.
*/
type ScreenRenderDesc = MatchResult & {
key: string
navIdx: string
current: boolean
previous: boolean
isNewTab: boolean
}
function constructScreenRenderDesc(nav: NavigationModel): {
icon: IconProp
hasNewTab: boolean
screens: ScreenRenderDesc[]
} {
let hasNewTab = false
let icon: IconProp = 'magnifying-glass'
let screens: ScreenRenderDesc[] = []
for (const tab of nav.tabs) {
const tabScreens = [
...tab.getBackList(5),
Object.assign({}, tab.current, {index: tab.index}),
]
const parsedTabScreens = tabScreens.map(screen => {
const isCurrent = nav.isCurrentScreen(tab.id, screen.index)
const isPrevious = nav.isCurrentScreen(tab.id, screen.index + 1)
const matchRes = match(screen.url)
if (isCurrent) {
icon = matchRes.icon
}
hasNewTab = hasNewTab || tab.isNewTab
return Object.assign(matchRes, {
key: `t${tab.id}-s${screen.index}`,
navIdx: `${tab.id}-${screen.id}`,
current: isCurrent,
previous: isPrevious,
isNewTab: tab.isNewTab,
}) as ScreenRenderDesc
})
screens = screens.concat(parsedTabScreens)
}
return {
icon,
hasNewTab,
screens,
}
}
function NoMobileWeb() {
const pal = usePalette('default')
return (
<View style={[pal.view, styles.noMobileWeb]}>
<Text type="title-2xl" style={s.pb20}>
We're so sorry!
</Text>
<Text type="lg">
This app is not available for mobile Web yet. Please open it on your
desktop or download the iOS app.
</Text>
</View>
)
}
const styles = StyleSheet.create({
outerContainer: {
height: '100%',
},
bgLight: {
backgroundColor: colors.white,
},
bgDark: {
backgroundColor: colors.black, // TODO
},
visible: {
display: 'flex',
},
hidden: {
display: 'none',
},
noMobileWeb: {
height: '100%',
justifyContent: 'center',
paddingHorizontal: 20,
paddingBottom: 40,
},
})
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