4 files changed, 145 insertions, 0 deletions
diff --git a/modules/expo-background-notification-handler/src/BackgroundNotificationHandlerProvider.tsx b/modules/expo-background-notification-handler/src/BackgroundNotificationHandlerProvider.tsx
new file mode 100644
index 000000000..6ecdd1d47
--- /dev/null
+++ b/modules/expo-background-notification-handler/src/BackgroundNotificationHandlerProvider.tsx
@@ -0,0 +1,70 @@
+import React from 'react'
+
+import {BackgroundNotificationHandlerPreferences} from './ExpoBackgroundNotificationHandler.types'
+import {BackgroundNotificationHandler} from './ExpoBackgroundNotificationHandlerModule'
+
+interface BackgroundNotificationPreferencesContext {
+  preferences: BackgroundNotificationHandlerPreferences
+  setPref: <Key extends keyof BackgroundNotificationHandlerPreferences>(
+    key: Key,
+    value: BackgroundNotificationHandlerPreferences[Key],
+  ) => void
+}
+
+const Context = React.createContext<BackgroundNotificationPreferencesContext>(
+  {} as BackgroundNotificationPreferencesContext,
+)
+export const useBackgroundNotificationPreferences = () =>
+  React.useContext(Context)
+
+export function BackgroundNotificationPreferencesProvider({
+  children,
+}: {
+  children: React.ReactNode
+}) {
+  const [preferences, setPreferences] =
+    React.useState<BackgroundNotificationHandlerPreferences>({
+      playSoundChat: true,
+    })
+
+  React.useEffect(() => {
+    ;(async () => {
+      const prefs = await BackgroundNotificationHandler.getAllPrefsAsync()
+      setPreferences(prefs)
+    })()
+  }, [])
+
+  const value = React.useMemo(
+    () => ({
+      preferences,
+      setPref: async <
+        Key extends keyof BackgroundNotificationHandlerPreferences,
+      >(
+        k: Key,
+        v: BackgroundNotificationHandlerPreferences[Key],
+      ) => {
+        switch (typeof v) {
+          case 'boolean': {
+            await BackgroundNotificationHandler.setBoolAsync(k, v)
+            break
+          }
+          case 'string': {
+            await BackgroundNotificationHandler.setStringAsync(k, v)
+            break
+          }
+          default: {
+            throw new Error(`Invalid type for value: ${typeof v}`)
+          }
+        }
+
+        setPreferences(prev => ({
+          ...prev,
+          [k]: v,
+        }))
+      },
+    }),
+    [preferences],
+  )
+
+  return <Context.Provider value={value}>{children}</Context.Provider>
+}
diff --git a/modules/expo-background-notification-handler/src/ExpoBackgroundNotificationHandler.types.ts b/modules/expo-background-notification-handler/src/ExpoBackgroundNotificationHandler.types.ts
new file mode 100644
index 000000000..5fbd302da
--- /dev/null
+++ b/modules/expo-background-notification-handler/src/ExpoBackgroundNotificationHandler.types.ts
@@ -0,0 +1,40 @@
+export type ExpoBackgroundNotificationHandlerModule = {
+  getAllPrefsAsync: () => Promise<BackgroundNotificationHandlerPreferences>
+  getBoolAsync: (forKey: string) => Promise<boolean>
+  getStringAsync: (forKey: string) => Promise<string>
+  getStringArrayAsync: (forKey: string) => Promise<string[]>
+  setBoolAsync: (
+    forKey: keyof BackgroundNotificationHandlerPreferences,
+    value: boolean,
+  ) => Promise<void>
+  setStringAsync: (
+    forKey: keyof BackgroundNotificationHandlerPreferences,
+    value: string,
+  ) => Promise<void>
+  setStringArrayAsync: (
+    forKey: keyof BackgroundNotificationHandlerPreferences,
+    value: string[],
+  ) => Promise<void>
+  addToStringArrayAsync: (
+    forKey: keyof BackgroundNotificationHandlerPreferences,
+    value: string,
+  ) => Promise<void>
+  removeFromStringArrayAsync: (
+    forKey: keyof BackgroundNotificationHandlerPreferences,
+    value: string,
+  ) => Promise<void>
+  addManyToStringArrayAsync: (
+    forKey: keyof BackgroundNotificationHandlerPreferences,
+    value: string[],
+  ) => Promise<void>
+  removeManyFromStringArrayAsync: (
+    forKey: keyof BackgroundNotificationHandlerPreferences,
+    value: string[],
+  ) => Promise<void>
+}
+
+// TODO there are more preferences in the native code, however they have not been added here yet.
+// Don't add them until the native logic also handles the notifications for those preference types.
+export type BackgroundNotificationHandlerPreferences = {
+  playSoundChat: boolean
+}
diff --git a/modules/expo-background-notification-handler/src/ExpoBackgroundNotificationHandlerModule.ts b/modules/expo-background-notification-handler/src/ExpoBackgroundNotificationHandlerModule.ts
new file mode 100644
index 000000000..d6517893a
--- /dev/null
+++ b/modules/expo-background-notification-handler/src/ExpoBackgroundNotificationHandlerModule.ts
@@ -0,0 +1,8 @@
+import {requireNativeModule} from 'expo-modules-core'
+
+import {ExpoBackgroundNotificationHandlerModule} from './ExpoBackgroundNotificationHandler.types'
+
+export const BackgroundNotificationHandler =
+  requireNativeModule<ExpoBackgroundNotificationHandlerModule>(
+    'ExpoBackgroundNotificationHandler',
+  )
diff --git a/modules/expo-background-notification-handler/src/ExpoBackgroundNotificationHandlerModule.web.ts b/modules/expo-background-notification-handler/src/ExpoBackgroundNotificationHandlerModule.web.ts
new file mode 100644
index 000000000..29e27fd0f
--- /dev/null
+++ b/modules/expo-background-notification-handler/src/ExpoBackgroundNotificationHandlerModule.web.ts
@@ -0,0 +1,27 @@
+import {
+  BackgroundNotificationHandlerPreferences,
+  ExpoBackgroundNotificationHandlerModule,
+} from './ExpoBackgroundNotificationHandler.types'
+
+// Stub for web
+export const BackgroundNotificationHandler = {
+  getAllPrefsAsync: async () => {
+    return {} as BackgroundNotificationHandlerPreferences
+  },
+  getBoolAsync: async (_: string) => {
+    return false
+  },
+  getStringAsync: async (_: string) => {
+    return ''
+  },
+  getStringArrayAsync: async (_: string) => {
+    return []
+  },
+  setBoolAsync: async (_: string, __: boolean) => {},
+  setStringAsync: async (_: string, __: string) => {},
+  setStringArrayAsync: async (_: string, __: string[]) => {},
+  addToStringArrayAsync: async (_: string, __: string) => {},
+  removeFromStringArrayAsync: async (_: string, __: string) => {},
+  addManyToStringArrayAsync: async (_: string, __: string[]) => {},
+  removeManyFromStringArrayAsync: async (_: string, __: string[]) => {},
+} as ExpoBackgroundNotificationHandlerModule