From a09195d9dea20b02c86589010ee7e8bbc699f44b Mon Sep 17 00:00:00 2001
From: Greyson Parrelli <greyson@signal.org>
Date: Thu, 30 Oct 2025 12:11:19 -0400
Subject: [PATCH] Add addition validations to chat wallpapers on export.

---
 .../securesms/backup/v2/util/ChatStyleConverter.kt         | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/app/src/main/java/org/thoughtcrime/securesms/backup/v2/util/ChatStyleConverter.kt b/app/src/main/java/org/thoughtcrime/securesms/backup/v2/util/ChatStyleConverter.kt
index 8422aa3824..7fc8db9566 100644
--- a/app/src/main/java/org/thoughtcrime/securesms/backup/v2/util/ChatStyleConverter.kt
+++ b/app/src/main/java/org/thoughtcrime/securesms/backup/v2/util/ChatStyleConverter.kt
@@ -232,7 +232,7 @@ private fun Int.toRemoteWallpaperPreset(): ChatStyle.WallpaperPreset? {
   }
 }
 
-private fun Wallpaper.LinearGradient.toRemoteWallpaperPreset(): ChatStyle.WallpaperPreset {
+private fun Wallpaper.LinearGradient.toRemoteWallpaperPreset(): ChatStyle.WallpaperPreset? {
   val colorArray = colors.toIntArray()
   return when {
     colorArray contentEquals GradientChatWallpaper.SUNSET.colors -> ChatStyle.WallpaperPreset.GRADIENT_SUNSET
@@ -244,7 +244,10 @@ private fun Wallpaper.LinearGradient.toRemoteWallpaperPreset(): ChatStyle.Wallpa
     colorArray contentEquals GradientChatWallpaper.BLISS.colors -> ChatStyle.WallpaperPreset.GRADIENT_BLISS
     colorArray contentEquals GradientChatWallpaper.SKY.colors -> ChatStyle.WallpaperPreset.GRADIENT_SKY
     colorArray contentEquals GradientChatWallpaper.PEACH.colors -> ChatStyle.WallpaperPreset.GRADIENT_PEACH
-    else -> ChatStyle.WallpaperPreset.UNKNOWN_WALLPAPER_PRESET
+    else -> {
+      Log.w(TAG, "No matching remote wallpaper preset for $this")
+      null
+    }
   }
 }