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bsky-app
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Add a11y context (#4586) 

* Add a11y context

* Feedback
zio/stable
Eric Bailey 2024-06-20 17:06:57 -05:00 committed by GitHub
parent 4d8537bcd4
commit 4bba59790a
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3 changed files with 111 additions and 40 deletions
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45
src/App.native.tsx
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@ -24,6 +24,7 @@ import {
import {s} from '#/lib/styles'
import {ThemeProvider} from '#/lib/ThemeContext'
import {logger} from '#/logger'
import {Provider as A11yProvider} from '#/state/a11y'
import {Provider as MutedThreadsProvider} from '#/state/cache/thread-mutes'
import {Provider as DialogStateProvider} from '#/state/dialogs'
import {Provider as InvitesStateProvider} from '#/state/invites'
@ -152,27 +153,29 @@ function App() {
* that is set up in the InnerApp component above.
*/
return (
<KeyboardProvider enabled={false} statusBarTranslucent={true}>
<SessionProvider>
<ShellStateProvider>
<PrefsStateProvider>
<InvitesStateProvider>
<ModalStateProvider>
<DialogStateProvider>
<LightboxStateProvider>
<I18nProvider>
<PortalProvider>
<InnerApp />
</PortalProvider>
</I18nProvider>
</LightboxStateProvider>
</DialogStateProvider>
</ModalStateProvider>
</InvitesStateProvider>
</PrefsStateProvider>
</ShellStateProvider>
</SessionProvider>
</KeyboardProvider>
<A11yProvider>
<KeyboardProvider enabled={false} statusBarTranslucent={true}>
<SessionProvider>
<ShellStateProvider>
<PrefsStateProvider>
<InvitesStateProvider>
<ModalStateProvider>
<DialogStateProvider>
<LightboxStateProvider>
<I18nProvider>
<PortalProvider>
<InnerApp />
</PortalProvider>
</I18nProvider>
</LightboxStateProvider>
</DialogStateProvider>
</ModalStateProvider>
</InvitesStateProvider>
</PrefsStateProvider>
</ShellStateProvider>
</SessionProvider>
</KeyboardProvider>
</A11yProvider>
)
}

41
src/App.web.tsx
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@ -13,6 +13,7 @@ import {QueryProvider} from '#/lib/react-query'
import {Provider as StatsigProvider} from '#/lib/statsig/statsig'
import {ThemeProvider} from '#/lib/ThemeContext'
import {logger} from '#/logger'
import {Provider as A11yProvider} from '#/state/a11y'
import {Provider as MutedThreadsProvider} from '#/state/cache/thread-mutes'
import {Provider as DialogStateProvider} from '#/state/dialogs'
import {Provider as InvitesStateProvider} from '#/state/invites'
@ -135,25 +136,27 @@ function App() {
* that is set up in the InnerApp component above.
*/
return (
<SessionProvider>
<ShellStateProvider>
<PrefsStateProvider>
<InvitesStateProvider>
<ModalStateProvider>
<DialogStateProvider>
<LightboxStateProvider>
<I18nProvider>
<PortalProvider>
<InnerApp />
</PortalProvider>
</I18nProvider>
</LightboxStateProvider>
</DialogStateProvider>
</ModalStateProvider>
</InvitesStateProvider>
</PrefsStateProvider>
</ShellStateProvider>
</SessionProvider>
<A11yProvider>
<SessionProvider>
<ShellStateProvider>
<PrefsStateProvider>
<InvitesStateProvider>
<ModalStateProvider>
<DialogStateProvider>
<LightboxStateProvider>
<I18nProvider>
<PortalProvider>
<InnerApp />
</PortalProvider>
</I18nProvider>
</LightboxStateProvider>
</DialogStateProvider>
</ModalStateProvider>
</InvitesStateProvider>
</PrefsStateProvider>
</ShellStateProvider>
</SessionProvider>
</A11yProvider>
)
}

65
src/state/a11y.tsx 100644
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@ -0,0 +1,65 @@
import React from 'react'
import {AccessibilityInfo} from 'react-native'
import {isReducedMotion} from 'react-native-reanimated'
import {isWeb} from '#/platform/detection'
const Context = React.createContext({
reduceMotionEnabled: false,
screenReaderEnabled: false,
})
export function useA11y() {
return React.useContext(Context)
}
export function Provider({children}: React.PropsWithChildren<{}>) {
const [reduceMotionEnabled, setReduceMotionEnabled] = React.useState(() =>
isReducedMotion(),
)
const [screenReaderEnabled, setScreenReaderEnabled] = React.useState(false)
React.useEffect(() => {
const reduceMotionChangedSubscription = AccessibilityInfo.addEventListener(
'reduceMotionChanged',
enabled => {
setReduceMotionEnabled(enabled)
},
)
const screenReaderChangedSubscription = AccessibilityInfo.addEventListener(
'screenReaderChanged',
enabled => {
setScreenReaderEnabled(enabled)
},
)
;(async () => {
const [_reduceMotionEnabled, _screenReaderEnabled] = await Promise.all([
AccessibilityInfo.isReduceMotionEnabled(),
AccessibilityInfo.isScreenReaderEnabled(),
])
setReduceMotionEnabled(_reduceMotionEnabled)
setScreenReaderEnabled(_screenReaderEnabled)
})()
return () => {
reduceMotionChangedSubscription.remove()
screenReaderChangedSubscription.remove()
}
}, [])
const ctx = React.useMemo(() => {
return {
reduceMotionEnabled,
/**
* Always returns true on web. For now, we're using this for mobile a11y,
* so we reset to false on web.
*
* @see https://github.com/necolas/react-native-web/discussions/2072
*/
screenReaderEnabled: isWeb ? false : screenReaderEnabled,
}
}, [reduceMotionEnabled, screenReaderEnabled])
return <Context.Provider value={ctx}>{children}</Context.Provider>
}