1 files changed, 24 insertions, 0 deletions
diff --git a/xmpp/handlers.go b/xmpp/handlers.go
index 541eb63..9caf886 100644
--- a/xmpp/handlers.go
+++ b/xmpp/handlers.go
@@ -254,6 +254,30 @@ func HandleMessage(s xmpp.Sender, p stanza.Packet) {
 				gateway.MessageOutgoingPermissionVersion = 2
 			}
 		}
+
+		var displayed stanza.MarkDisplayed
+		msg.Get(&displayed)
+		if displayed.ID != "" {
+			log.Debugf("displayed: %#v", displayed)
+
+			bare, _, ok := gateway.SplitJID(msg.From)
+			if !ok {
+				return
+			}
+			session, ok := sessions[bare]
+			if !ok {
+				return
+			}
+			toID, ok := toToID(msg.To)
+			if !ok {
+				return
+			}
+			msgId, err := strconv.ParseInt(displayed.ID, 10, 64)
+			if err == nil {
+				session.MarkAsRead(toID, msgId)
+			}
+			return
+		}
 	}
 
 	if msg.Type == "error" {