From e1de57c98c96db4910f4f777a2d056342b684333 Mon Sep 17 00:00:00 2001
From: Dude so hot <djohn@fbi.gov>
Date: Tue, 15 Oct 2024 12:17:50 +0800
Subject: [PATCH] Ensure QrCodeInterceptor cache thread-safe

---
 .../main/kotlin/com/hippo/ehviewer/coil/QrCodeInterceptor.kt    | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/src/main/kotlin/com/hippo/ehviewer/coil/QrCodeInterceptor.kt b/app/src/main/kotlin/com/hippo/ehviewer/coil/QrCodeInterceptor.kt
index 182f72c92..02aabb2dc 100644
--- a/app/src/main/kotlin/com/hippo/ehviewer/coil/QrCodeInterceptor.kt
+++ b/app/src/main/kotlin/com/hippo/ehviewer/coil/QrCodeInterceptor.kt
@@ -33,7 +33,7 @@ object QrCodeInterceptor : Interceptor {
             if (image is BitmapImageWithExtraInfo) {
                 fun compute() = runSuspendCatching { hasQrCode(image.image.bitmap) }.onFailure { logcat(it) }.getOrThrow()
                 val hasQrCode = when (val key = result.memoryCacheKey) {
-                    is MemoryCache.Key -> cache[key] ?: compute().also { cache[key] = it }
+                    is MemoryCache.Key -> synchronized(cache) { cache[key] } ?: compute().also { synchronized(cache) { cache[key] = it } }
                     null -> compute()
                 }
                 val new = image.copy(hasQrCode = hasQrCode)