From 50cb7735d135c7baab2e2187075f14984cf5a8ab Mon Sep 17 00:00:00 2001
From: Florian Schmaus <flo@geekplace.eu>
Date: Wed, 13 May 2020 22:06:15 +0200
Subject: [PATCH] [muc] Add generic callback invoked if a participant is
 removed

Fixes SMACK-883.
---
 .../org/jivesoftware/smackx/muc/MultiUserChat.java    |  4 ++++
 .../smackx/muc/ParticipantStatusListener.java         | 11 +++++++++++
 2 files changed, 15 insertions(+)

diff --git a/smack-extensions/src/main/java/org/jivesoftware/smackx/muc/MultiUserChat.java b/smack-extensions/src/main/java/org/jivesoftware/smackx/muc/MultiUserChat.java
index 422320bf1..40c3a85a2 100644
--- a/smack-extensions/src/main/java/org/jivesoftware/smackx/muc/MultiUserChat.java
+++ b/smack-extensions/src/main/java/org/jivesoftware/smackx/muc/MultiUserChat.java
@@ -271,6 +271,10 @@ public class MultiUserChat {
                         for (UserStatusListener listener : userStatusListeners) {
                             listener.removed(mucUser, presence);
                         }
+                    } else {
+                        for (ParticipantStatusListener listener : participantStatusListeners) {
+                            listener.parted(from);
+                        }
                     }
                     break;
                 default:
diff --git a/smack-extensions/src/main/java/org/jivesoftware/smackx/muc/ParticipantStatusListener.java b/smack-extensions/src/main/java/org/jivesoftware/smackx/muc/ParticipantStatusListener.java
index 3ab215d69..8a376ca36 100644
--- a/smack-extensions/src/main/java/org/jivesoftware/smackx/muc/ParticipantStatusListener.java
+++ b/smack-extensions/src/main/java/org/jivesoftware/smackx/muc/ParticipantStatusListener.java
@@ -50,6 +50,17 @@ public interface ParticipantStatusListener {
     default void left(EntityFullJid participant) {
     }
 
+    /**
+     * Called when a participant is parted for whatever reason. This callback is always invoked if a participant
+     * parted the room, either voluntarily or involuntarily. Prior this callback, a callback with a more specific
+     * reason for the removal, like {@link #left(EntityFullJid)} may be invoked.
+     *
+     * @param participant the participant that was removed from the room.
+     * @since 4.4
+     */
+    default void parted(EntityFullJid participant) {
+    }
+
     /**
      * Called when a room participant has been kicked from the room. This means that the kicked
      * participant is no longer participating in the room.