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import React from 'react'
import {View} from 'react-native'
import {useQueryClient} from '@tanstack/react-query'
import {sanitizeAppLanguageSetting} from '#/locale/helpers'
import {APP_LANGUAGES} from '#/locale/languages'
import {useLanguagePrefs, useLanguagePrefsApi} from '#/state/preferences'
import {resetPostsFeedQueries} from '#/state/queries/post-feed'
import {atoms as a, useTheme, ViewStyleProp} from '#/alf'
import {ChevronBottom_Stroke2_Corner0_Rounded as ChevronDown} from '#/components/icons/Chevron'
import {Text} from '#/components/Typography'
export function AppLanguageDropdown({style}: ViewStyleProp) {
const t = useTheme()
const queryClient = useQueryClient()
const langPrefs = useLanguagePrefs()
const setLangPrefs = useLanguagePrefsApi()
const sanitizedLang = sanitizeAppLanguageSetting(langPrefs.appLanguage)
const onChangeAppLanguage = React.useCallback(
(ev: React.ChangeEvent<HTMLSelectElement>) => {
const value = ev.target.value
if (!value) return
if (sanitizedLang !== value) {
setLangPrefs.setAppLanguage(sanitizeAppLanguageSetting(value))
}
// reset feeds to refetch content
resetPostsFeedQueries(queryClient)
},
[sanitizedLang, setLangPrefs, queryClient],
)
return (
<View
style={[
// We don't have hitSlop here to increase the tap region,
// alternative is negative margins.
{height: 32, marginVertical: -((32 - 14) / 2)},
style,
]}>
<View
style={[
a.flex_row,
a.gap_sm,
a.align_center,
a.flex_shrink,
a.h_full,
t.atoms.bg,
]}>
<Text aria-hidden={true} style={t.atoms.text_contrast_medium}>
{APP_LANGUAGES.find(l => l.code2 === sanitizedLang)?.name}
</Text>
<ChevronDown fill={t.atoms.text.color} size="xs" style={a.flex_0} />
</View>
<select
value={sanitizedLang}
onChange={onChangeAppLanguage}
style={{
fontSize: a.text_sm.fontSize,
letterSpacing: a.text_sm.letterSpacing,
cursor: 'pointer',
position: 'absolute',
inset: 0,
opacity: 0,
color: t.atoms.text.color,
background: t.atoms.bg.backgroundColor,
padding: 4,
maxWidth: '100%',
}}>
{APP_LANGUAGES.filter(l => Boolean(l.code2)).map(l => (
<option key={l.code2} value={l.code2}>
{l.name}
</option>
))}
</select>
</View>
)
}
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