From 6bfa8d1ea4d94c2bd6b4bf500515fc2c941de985 Mon Sep 17 00:00:00 2001
From: FooIbar <118464521+FooIbar@users.noreply.github.com>
Date: Sun, 10 Sep 2023 21:15:25 +0800
Subject: [PATCH] Fix crashing when reordering downloads

---
 .../java/com/hippo/ehviewer/download/DownloadManager.kt     | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/app/src/main/java/com/hippo/ehviewer/download/DownloadManager.kt b/app/src/main/java/com/hippo/ehviewer/download/DownloadManager.kt
index 5eda17d11..068f59623 100644
--- a/app/src/main/java/com/hippo/ehviewer/download/DownloadManager.kt
+++ b/app/src/main/java/com/hippo/ehviewer/download/DownloadManager.kt
@@ -462,7 +462,11 @@ object DownloadManager : OnSpiderListener {
     fun moveDownload(fromItem: DownloadInfo, toItem: DownloadInfo): List<DownloadInfo> {
         val fromPosition = allInfoList.indexOf(fromItem)
         val toPosition = allInfoList.indexOf(toItem)
-        return moveDownload(fromPosition, toPosition)
+        return if (fromPosition != -1 && toPosition != -1) {
+            moveDownload(fromPosition, toPosition)
+        } else {
+            emptyList()
+        }
     }
 
     suspend fun resetAllReadingProgress() = coroutineScope {