Add PlatformInfo module (#4877)

modules/expo-bluesky-swiss-army/android/src/main/java/expo/modules/blueskyswissarmy/platforminfo/ExpoPlatformInfoModule.kt

@@ -0,0 +1,24 @@
+package expo.modules.blueskyswissarmy.platforminfo
+
+import android.provider.Settings
+import expo.modules.kotlin.modules.Module
+import expo.modules.kotlin.modules.ModuleDefinition
+
+class ExpoPlatformInfoModule : Module() {
+  override fun definition() =
+    ModuleDefinition {
+      Name("ExpoPlatformInfo")
+
+      // See https://github.com/software-mansion/react-native-reanimated/blob/7df5fd57d608fe25724608835461cd925ff5151d/packages/react-native-reanimated/android/src/main/java/com/swmansion/reanimated/nativeProxy/NativeProxyCommon.java#L242
+      Function("getIsReducedMotionEnabled") {
+        val resolver = appContext.reactContext?.contentResolver ?: return@Function false
+        val scale = Settings.Global.getString(resolver, Settings.Global.TRANSITION_ANIMATION_SCALE) ?: return@Function false
+
+        try {
+          return@Function scale.toFloat() == 0f
+        } catch (_: Error) {
+          return@Function false
+        }
+      }
+    }
+}

modules/expo-bluesky-swiss-army/expo-module.config.json

@@ -1,12 +1,13 @@
 {
   "platforms": ["ios", "tvos", "android", "web"],
   "ios": {
-    "modules": ["ExpoBlueskySharedPrefsModule", "ExpoBlueskyReferrerModule"]
+    "modules": ["ExpoBlueskySharedPrefsModule", "ExpoBlueskyReferrerModule", "ExpoPlatformInfoModule"]
   },
   "android": {
     "modules": [
       "expo.modules.blueskyswissarmy.sharedprefs.ExpoBlueskySharedPrefsModule",
-      "expo.modules.blueskyswissarmy.referrer.ExpoBlueskyReferrerModule"
+      "expo.modules.blueskyswissarmy.referrer.ExpoBlueskyReferrerModule",
+      "expo.modules.blueskyswissarmy.platforminfo.ExpoPlatformInfoModule"
     ]
   }
 }

modules/expo-bluesky-swiss-army/index.ts

@@ -1,4 +1,5 @@
+import * as PlatformInfo from './src/PlatformInfo'
 import * as Referrer from './src/Referrer'
 import * as SharedPrefs from './src/SharedPrefs'
 
-export {Referrer, SharedPrefs}
+export {PlatformInfo, Referrer, SharedPrefs}

modules/expo-bluesky-swiss-army/ios/PlatformInfo/ExpoPlatformInfoModule.swift

@@ -0,0 +1,11 @@
+import ExpoModulesCore
+
+public class ExpoPlatformInfoModule: Module {
+  public func definition() -> ModuleDefinition {
+    Name("ExpoPlatformInfo")
+
+    Function("getIsReducedMotionEnabled") {
+      return UIAccessibility.isReduceMotionEnabled
+    }
+  }
+}

modules/expo-bluesky-swiss-army/src/PlatformInfo/index.native.ts

@@ -0,0 +1,7 @@
+import {requireNativeModule} from 'expo-modules-core'
+
+const NativeModule = requireNativeModule('ExpoPlatformInfo')
+
+export function getIsReducedMotionEnabled(): boolean {
+  return NativeModule.getIsReducedMotionEnabled()
+}

modules/expo-bluesky-swiss-army/src/PlatformInfo/index.ts

@@ -0,0 +1,5 @@
+import {NotImplementedError} from '../NotImplemented'
+
+export function getIsReducedMotionEnabled(): boolean {
+  throw new NotImplementedError()
+}

modules/expo-bluesky-swiss-army/src/PlatformInfo/index.web.ts

@@ -0,0 +1,6 @@
+export function getIsReducedMotionEnabled(): boolean {
+  if (typeof window === 'undefined') {
+    return false
+  }
+  return window.matchMedia('(prefers-reduced-motion: reduce)').matches
+}