From 26d119a17b032830f4ba5063a4e5f9037a8240e9 Mon Sep 17 00:00:00 2001
From: irungentoo <irungentoo@gmail.com>
Date: Thu, 2 Oct 2014 17:52:56 -0400
Subject: [PATCH] Implemented tox_callback_group_namelist_change callback in
 group chats.

No names yet though.
---
 toxcore/group.c | 27 ++++++++++++++++++++-------
 toxcore/group.h |  9 ++++++++-
 toxcore/tox.c   |  2 +-
 3 files changed, 29 insertions(+), 9 deletions(-)

diff --git a/toxcore/group.c b/toxcore/group.c
index d94349f4..96f5ba2f 100644
--- a/toxcore/group.c
+++ b/toxcore/group.c
@@ -398,8 +398,10 @@ static int addpeer(Group_Chats *g_c, int groupnumber, const uint8_t *real_pk, co
     ++g->numpeers;
 
     add_to_closest(g_c, groupnumber, real_pk, temp_pk);
-    //if (g->peer_namelistchange != NULL)
-    //    (*g->peer_namelistchange)(g, g->numpeers - 1, CHAT_CHANGE_PEER_ADD, g->group_namelistchange_userdata);
+
+    if (g_c->peer_namelistchange)
+        g_c->peer_namelistchange(g_c->m, groupnumber, g->numpeers - 1, CHAT_CHANGE_PEER_ADD,
+                                 g_c->group_namelistchange_userdata);
 
     return (g->numpeers - 1);
 }
@@ -445,11 +447,10 @@ static int delpeer(Group_Chats *g_c, int groupnumber, int peer_index)
         return -1;
 
     g->group = temp;
-    /*
-        if (g->peer_namelistchange != NULL) {
-            (*g->peer_namelistchange)(g, peer_index, CHAT_CHANGE_PEER_DEL, g->group_namelistchange_userdata);
-        }
-    */
+
+    if (g_c->peer_namelistchange)
+        g_c->peer_namelistchange(g_c->m, groupnumber, peer_index, CHAT_CHANGE_PEER_DEL, g_c->group_namelistchange_userdata);
+
     return 0;
 }
 
@@ -781,6 +782,18 @@ void g_callback_group_message(Group_Chats *g_c, void (*function)(Messenger *m, i
     g_c->message_callback_userdata = userdata;
 }
 
+/* Set callback function for peer name list changes.
+ *
+ * It gets called every time the name list changes(new peer/name, deleted peer)
+ *  Function(Group_Chats *g_c, int groupnumber, int peernumber, TOX_CHAT_CHANGE change, void *userdata)
+ */
+void g_callback_group_namelistchange(Group_Chats *g_c, void (*function)(Messenger *m, int, int, uint8_t, void *),
+                                     void *userdata)
+{
+    g_c->peer_namelistchange = function;
+    g_c->group_namelistchange_userdata = userdata;
+}
+
 static unsigned int send_message_group(const Group_Chats *g_c, int groupnumber, uint8_t message_id, const uint8_t *data,
                                        uint16_t len);
 
diff --git a/toxcore/group.h b/toxcore/group.h
index c91edd7b..d3a330b2 100644
--- a/toxcore/group.h
+++ b/toxcore/group.h
@@ -103,6 +103,8 @@ typedef struct {
     void *invite_callback_userdata;
     void (*message_callback)(Messenger *m, int, int, const uint8_t *, uint16_t, void *);
     void *message_callback_userdata;
+    void (*peer_namelistchange)(Messenger *m, int, int, uint8_t, void *);
+    void *group_namelistchange_userdata;
 } Group_Chats;
 
 /* Set the callback for group invites.
@@ -131,8 +133,13 @@ void g_callback_group_action(Group_Chats *g_c, void (*function)(Messenger *m, in
 /* Set callback function for peer name list changes.
  *
  * It gets called every time the name list changes(new peer/name, deleted peer)
- *  Function(Group_Chats *g_c, int groupnumber, void *userdata)
+ *  Function(Group_Chats *g_c, int groupnumber, int peernumber, TOX_CHAT_CHANGE change, void *userdata)
  */
+enum {
+    CHAT_CHANGE_PEER_ADD,
+    CHAT_CHANGE_PEER_DEL,
+    CHAT_CHANGE_PEER_NAME,
+};
 void g_callback_group_namelistchange(Group_Chats *g_c, void (*function)(Messenger *m, int, int, uint8_t, void *),
                                      void *userdata);
 
diff --git a/toxcore/tox.c b/toxcore/tox.c
index 35587c2b..999d81d6 100644
--- a/toxcore/tox.c
+++ b/toxcore/tox.c
@@ -586,7 +586,7 @@ void tox_callback_group_action(Tox *tox, void (*function)(Messenger *tox, int, i
 void tox_callback_group_namelist_change(Tox *tox, void (*function)(Tox *tox, int, int, uint8_t, void *), void *userdata)
 {
     Messenger *m = tox;
-    //m_callback_group_namelistchange(m, function, userdata);
+    g_callback_group_namelistchange(m->group_chat_object, function, userdata);
 }
 
 /* Creates a new groupchat and puts it in the chats array.