From ff47f784a3054a6ca61dbc3b7ba095e525ddaf16 Mon Sep 17 00:00:00 2001
From: Nicholas Tinsley <nicholas@signal.org>
Date: Tue, 27 Aug 2024 09:05:50 -0400
Subject: [PATCH] Prevent IndexOutOfBounds exception when media is deleted.

---
 .../securesms/mediapreview/MediaPreviewV2Fragment.kt        | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/app/src/main/java/org/thoughtcrime/securesms/mediapreview/MediaPreviewV2Fragment.kt b/app/src/main/java/org/thoughtcrime/securesms/mediapreview/MediaPreviewV2Fragment.kt
index 118da9f76c..702a1e103a 100644
--- a/app/src/main/java/org/thoughtcrime/securesms/mediapreview/MediaPreviewV2Fragment.kt
+++ b/app/src/main/java/org/thoughtcrime/securesms/mediapreview/MediaPreviewV2Fragment.kt
@@ -210,7 +210,7 @@ class MediaPreviewV2Fragment : LoggingFragment(R.layout.fragment_media_preview_v
   }
 
   private fun bindCurrentState(currentState: MediaPreviewV2State) {
-    if (currentState.position == -1 && currentState.mediaRecords.isEmpty()) {
+    if (currentState.position < 0 && currentState.mediaRecords.isEmpty()) {
       onMediaNotAvailable()
       return
     }
@@ -225,7 +225,7 @@ class MediaPreviewV2Fragment : LoggingFragment(R.layout.fragment_media_preview_v
     val currentPosition = currentState.position
 
     val backingItems = currentState.mediaRecords.mapNotNull { it.attachment }
-    if (backingItems.isEmpty()) {
+    if (backingItems.isEmpty() || currentPosition < 0) {
       onMediaNotAvailable()
       return
     }
@@ -242,7 +242,7 @@ class MediaPreviewV2Fragment : LoggingFragment(R.layout.fragment_media_preview_v
    * {@link OnPageChangeCallback}.
    */
   private fun bindMediaReadyState(currentState: MediaPreviewV2State) {
-    if (currentState.mediaRecords.isEmpty()) {
+    if (currentState.mediaRecords.isEmpty() || currentState.position < 0) {
       onMediaNotAvailable()
       return
     }