From c4ff48f60f09331ca07da1e0fcee2a51a771353d Mon Sep 17 00:00:00 2001
From: tarsin <yuanqingxiang233@163.com>
Date: Sun, 14 May 2023 18:24:43 +0800
Subject: [PATCH] Avoid allocation?

I'm not sure kotlin compiler will optimize this
---
 app/src/main/java/com/hippo/ehviewer/coil/Extensions.kt | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/app/src/main/java/com/hippo/ehviewer/coil/Extensions.kt b/app/src/main/java/com/hippo/ehviewer/coil/Extensions.kt
index 2dab876dd..a3ce9e940 100644
--- a/app/src/main/java/com/hippo/ehviewer/coil/Extensions.kt
+++ b/app/src/main/java/com/hippo/ehviewer/coil/Extensions.kt
@@ -30,9 +30,12 @@ fun ImageRequest.Builder.ehPreviewKey(key: GalleryPreview) = apply {
     size(Size.ORIGINAL)
 }
 
+private val stubResult = DecodeResult(ColorDrawable(Color.BLACK), false)
+private val stubFactory = Decoder { stubResult }
+
 fun ImageRequest.Builder.justDownload() = apply {
     memoryCachePolicy(CachePolicy.DISABLED)
-    decoderFactory { _, _, _ -> Decoder { DecodeResult(ColorDrawable(Color.BLACK), false) } }
+    decoderFactory { _, _, _ -> stubFactory }
 }
 
 inline fun Context.imageRequest(key: GalleryPreview, builder: ImageRequest.Builder.() -> Unit = {}) = ImageRequest.Builder(this).ehPreviewKey(key).apply(builder).build()