From 1bd22920c6f0dc558677dbc4d8bcd42ea6570987 Mon Sep 17 00:00:00 2001
From: Arne <arne@monocles.de>
Date: Mon, 22 May 2023 17:27:41 +0200
Subject: [PATCH] Helper to get thumbnails from SIMS element (Cheogram)

---
 .../siacs/conversations/entities/Message.java | 20 +++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/src/main/java/eu/siacs/conversations/entities/Message.java b/src/main/java/eu/siacs/conversations/entities/Message.java
index 4708c3311b..64331231a0 100644
--- a/src/main/java/eu/siacs/conversations/entities/Message.java
+++ b/src/main/java/eu/siacs/conversations/entities/Message.java
@@ -1402,6 +1402,26 @@ public class Message extends AbstractEntity implements AvatarService.Avatarable
             return sims;
         }
 
+        public List<Element> getThumbnails() {
+            List<Element> thumbs = new ArrayList<>();
+            if (sims == null) return thumbs;
+
+            Element mediaSharing = sims.findChild("media-sharing", "urn:xmpp:sims:1");
+            if (mediaSharing == null) return thumbs;
+            Element file = mediaSharing.findChild("file", "urn:xmpp:jingle:apps:file-transfer:5");
+            if (file == null) file = mediaSharing.findChild("file", "urn:xmpp:jingle:apps:file-transfer:4");
+            if (file == null) file = mediaSharing.findChild("file", "urn:xmpp:jingle:apps:file-transfer:3");
+            if (file == null) return thumbs;
+
+            for (Element child : file.getChildren()) {
+                if (child.getName().equals("thumbnail") && child.getNamespace().equals("urn:xmpp:thumbs:1")) {
+                    thumbs.add(child);
+                }
+            }
+
+            return thumbs;
+        }
+
         public String toString() {
             final StringBuilder builder = new StringBuilder();
             if (url != null) builder.append(url);