Option for large alt badges (#4571)

* add pref for large alt badge

* add to settings

* do the large badge bit

* Tweak wording

---------

Co-authored-by: Dan Abramov <dan.abramov@gmail.com>

4 files changed, 65 insertions, 11 deletions

diff --git a/src/state/preferences/alt-text-required.tsx b/src/state/preferences/alt-text-required.tsx
index 81de9e006..642e790fb 100644
--- a/src/state/preferences/alt-text-required.tsx
+++ b/src/state/preferences/alt-text-required.tsx
@@ -1,4 +1,5 @@
 import React from 'react'
+
 import * as persisted from '#/state/persisted'
 
 type StateContext = persisted.Schema['requireAltTextEnabled']
diff --git a/src/state/preferences/hidden-posts.tsx b/src/state/preferences/hidden-posts.tsx
index 11119ce75..2c6a373e1 100644
--- a/src/state/preferences/hidden-posts.tsx
+++ b/src/state/preferences/hidden-posts.tsx
@@ -1,4 +1,5 @@
 import React from 'react'
+
 import * as persisted from '#/state/persisted'
 
 type SetStateCb = (
diff --git a/src/state/preferences/index.tsx b/src/state/preferences/index.tsx
index 70c8efc80..e1a35f193 100644
--- a/src/state/preferences/index.tsx
+++ b/src/state/preferences/index.tsx
@@ -8,6 +8,7 @@ import {Provider as HiddenPostsProvider} from './hidden-posts'
 import {Provider as InAppBrowserProvider} from './in-app-browser'
 import {Provider as KawaiiProvider} from './kawaii'
 import {Provider as LanguagesProvider} from './languages'
+import {Provider as LargeAltBadgeProvider} from './large-alt-badge'
 
 export {
   useRequireAltTextEnabled,
@@ -27,17 +28,19 @@ export function Provider({children}: React.PropsWithChildren<{}>) {
   return (
     <LanguagesProvider>
       <AltTextRequiredProvider>
-        <ExternalEmbedsProvider>
-          <HiddenPostsProvider>
-            <InAppBrowserProvider>
-              <DisableHapticsProvider>
-                <AutoplayProvider>
-                  <KawaiiProvider>{children}</KawaiiProvider>
-                </AutoplayProvider>
-              </DisableHapticsProvider>
-            </InAppBrowserProvider>
-          </HiddenPostsProvider>
-        </ExternalEmbedsProvider>
+        <LargeAltBadgeProvider>
+          <ExternalEmbedsProvider>
+            <HiddenPostsProvider>
+              <InAppBrowserProvider>
+                <DisableHapticsProvider>
+                  <AutoplayProvider>
+                    <KawaiiProvider>{children}</KawaiiProvider>
+                  </AutoplayProvider>
+                </DisableHapticsProvider>
+              </InAppBrowserProvider>
+            </HiddenPostsProvider>
+          </ExternalEmbedsProvider>
+        </LargeAltBadgeProvider>
       </AltTextRequiredProvider>
     </LanguagesProvider>
   )
diff --git a/src/state/preferences/large-alt-badge.tsx b/src/state/preferences/large-alt-badge.tsx
new file mode 100644
index 000000000..b3d597c5c
--- /dev/null
+++ b/src/state/preferences/large-alt-badge.tsx
@@ -0,0 +1,49 @@
+import React from 'react'
+
+import * as persisted from '#/state/persisted'
+
+type StateContext = persisted.Schema['largeAltBadgeEnabled']
+type SetContext = (v: persisted.Schema['largeAltBadgeEnabled']) => void
+
+const stateContext = React.createContext<StateContext>(
+  persisted.defaults.largeAltBadgeEnabled,
+)
+const setContext = React.createContext<SetContext>(
+  (_: persisted.Schema['largeAltBadgeEnabled']) => {},
+)
+
+export function Provider({children}: React.PropsWithChildren<{}>) {
+  const [state, setState] = React.useState(
+    persisted.get('largeAltBadgeEnabled'),
+  )
+
+  const setStateWrapped = React.useCallback(
+    (largeAltBadgeEnabled: persisted.Schema['largeAltBadgeEnabled']) => {
+      setState(largeAltBadgeEnabled)
+      persisted.write('largeAltBadgeEnabled', largeAltBadgeEnabled)
+    },
+    [setState],
+  )
+
+  React.useEffect(() => {
+    return persisted.onUpdate(() => {
+      setState(persisted.get('largeAltBadgeEnabled'))
+    })
+  }, [setStateWrapped])
+
+  return (
+    <stateContext.Provider value={state}>
+      <setContext.Provider value={setStateWrapped}>
+        {children}
+      </setContext.Provider>
+    </stateContext.Provider>
+  )
+}
+
+export function useLargeAltBadgeEnabled() {
+  return React.useContext(stateContext)
+}
+
+export function useSetLargeAltBadgeEnabled() {
+  return React.useContext(setContext)
+}