pref: locale loading

common/src/main/aidl/me/rhunk/snapenhance/bridge/BridgeInterface.aidl

@@ -33,7 +33,7 @@ interface BridgeInterface {
      *
      * @return the map of locales (key: locale short name, value: locale data as json)
      */
-    Map<String, String> fetchLocales(String userLocale);
+    Map<String, ParcelFileDescriptor> fetchLocales(String userLocale);
 
     /**
      * Enqueue a download

common/src/main/kotlin/me/rhunk/snapenhance/common/bridge/types/LocalePair.kt

@@ -1,10 +1,11 @@
 package me.rhunk.snapenhance.common.bridge.types
 
+import android.os.ParcelFileDescriptor
 import java.util.Locale
 
 data class LocalePair(
     val locale: String,
-    val content: String
+    val content: ParcelFileDescriptor
 ) {
     fun getLocale(): Locale {
         if (locale.contains("_")) {

common/src/main/kotlin/me/rhunk/snapenhance/common/bridge/wrapper/LocaleWrapper.kt

@@ -1,10 +1,14 @@
 package me.rhunk.snapenhance.common.bridge.wrapper
 
 import android.content.Context
+import android.os.ParcelFileDescriptor.AutoCloseInputStream
 import com.google.gson.JsonObject
 import com.google.gson.JsonParser
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
 import me.rhunk.snapenhance.common.bridge.types.LocalePair
 import me.rhunk.snapenhance.common.logger.AbstractLogger
+import me.rhunk.snapenhance.common.util.ktx.toParcelFileDescriptor
 import java.util.Locale
 
 
@@ -13,17 +17,21 @@ class LocaleWrapper {
         const val DEFAULT_LOCALE = "en_US"
 
         fun fetchLocales(context: Context, locale: String = DEFAULT_LOCALE): List<LocalePair> {
+            val coroutineScope = CoroutineScope(Dispatchers.IO)
             val locales = mutableListOf<LocalePair>().apply {
-                add(LocalePair(DEFAULT_LOCALE, context.resources.assets.open("lang/$DEFAULT_LOCALE.json").bufferedReader().use { it.readText() }))
+                add(LocalePair(DEFAULT_LOCALE, context.resources.assets.open("lang/$DEFAULT_LOCALE.json").toParcelFileDescriptor(coroutineScope)))
             }
 
             if (locale == DEFAULT_LOCALE) return locales
 
             val compatibleLocale = context.resources.assets.list("lang")?.firstOrNull { it.startsWith(locale) }?.substringBefore(".") ?: return locales
 
-            context.resources.assets.open("lang/$compatibleLocale.json").use { inputStream ->
-                locales.add(LocalePair(compatibleLocale, inputStream.bufferedReader().use { it.readText() }))
-            }
+            locales.add(
+                LocalePair(
+                    compatibleLocale,
+                    context.resources.assets.open("lang/$compatibleLocale.json").toParcelFileDescriptor(coroutineScope)
+                )
+            )
 
             return locales
         }
@@ -42,7 +50,9 @@ class LocaleWrapper {
     private fun load(localePair: LocalePair) {
         loadedLocale = localePair.getLocale()
 
-        val translations = JsonParser.parseString(localePair.content).asJsonObject
+        val translations = AutoCloseInputStream(localePair.content).use {
+            JsonParser.parseReader(it.reader()).asJsonObject
+        }
         if (translations == null || translations.isJsonNull) {
             return
         }

common/src/main/kotlin/me/rhunk/snapenhance/common/util/ktx/AndroidCompatExtensions.kt

@@ -5,6 +5,11 @@ import android.content.Context
 import android.content.pm.PackageManager
 import android.content.pm.PackageManager.ApplicationInfoFlags
 import android.os.Build
+import android.os.ParcelFileDescriptor
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import java.io.InputStream
 
 fun PackageManager.getApplicationInfoCompat(packageName: String, flags: Int) =
     if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
@@ -17,4 +22,21 @@ fun PackageManager.getApplicationInfoCompat(packageName: String, flags: Int) =
 fun Context.copyToClipboard(data: String, label: String = "Copied Text") {
     getSystemService(android.content.ClipboardManager::class.java).setPrimaryClip(
         ClipData.newPlainText(label, data))
-}
+}
+
+fun InputStream.toParcelFileDescriptor(coroutineScope: CoroutineScope): ParcelFileDescriptor {
+    val pfd = ParcelFileDescriptor.createPipe()
+    val fos = ParcelFileDescriptor.AutoCloseOutputStream(pfd[1])
+
+    coroutineScope.launch(Dispatchers.IO) {
+        try {
+            copyTo(fos)
+        } finally {
+            close()
+            fos.flush()
+            fos.close()
+        }
+    }
+
+    return pfd[0]
+}