Refine UX for on-device translation for posts (#9987)

Co-authored-by: Samuel Newman <mozzius@protonmail.com> Co-authored-by: Eric Bailey <git@esb.lol>
2026-03-04 18:37:44 -08:00
parent 1782a65174
commit afbade6f6f
25 changed files with 1014 additions and 1639 deletions
@@ -0,0 +1,61 @@
+import {useCallback} from 'react'
+import * as IntentLauncher from 'expo-intent-launcher'
+
+import {useOpenLink} from '#/lib/hooks/useOpenLink'
+import {getTranslatorLink} from '#/locale/helpers'
+import {IS_ANDROID} from '#/env'
+
+/**
+ * @deprecated Will always link out to Google Translate. Prefer `useTranslate`.
+ */
+export function useGoogleTranslate() {
+  const openLink = useOpenLink()
+
+  return useCallback(
+    async (text: string, targetLangCode: string, sourceLanguage?: string) => {
+      const translateUrl = getTranslatorLink(
+        text,
+        targetLangCode,
+        sourceLanguage,
+      )
+      if (IS_ANDROID) {
+        try {
+          // use `getApplicationIconAsync` to determine if the translate app is installed
+          if (
+            !(await IntentLauncher.getApplicationIconAsync(
+              'com.google.android.apps.translate',
+            ))
+          ) {
+            throw new Error('Translate app not installed')
+          }
+
+          // TODO: this should only be called one at a time, use something like
+          // RQ's `scope` - otherwise can trigger the browser to open unexpectedly when the call throws -sfn
+          await IntentLauncher.startActivityAsync(
+            'android.intent.action.PROCESS_TEXT',
+            {
+              type: 'text/plain',
+              extra: {
+                'android.intent.extra.PROCESS_TEXT': text,
+                'android.intent.extra.PROCESS_TEXT_READONLY': true,
+              },
+              // note: to skip the intermediate app select, we need to specify a
+              // `className`. however, this isn't safe to hardcode, we'd need to query the
+              // package manager for the correct activity. this requires native code, so
+              // skip for now -sfn
+              // packageName: 'com.google.android.apps.translate',
+              // className: 'com.google.android.apps.translate.TranslateActivity',
+            },
+          )
+        } catch (err) {
+          if (__DEV__) console.error(err)
+          // most likely means they don't have the translate app
+          await openLink(translateUrl)
+        }
+      } else {
+        await openLink(translateUrl)
+      }
+    },
+    [openLink],
+  )
+}