Added check whether caps cached

src/jabber.c

@@ -26,6 +26,7 @@
 
 #include <strophe.h>
 
+#include "capabilities.h"
 #include "chat_session.h"
 #include "common.h"
 #include "contact_list.h"
@@ -1069,6 +1070,12 @@ _presence_handler(xmpp_conn_t * const conn,
             }
         }
 
+        if (caps_str != NULL) {
+            if (!caps_contains(caps_str)) {
+                // send iq request for caps info
+            }
+        }
+
         xmpp_stanza_t *status = xmpp_stanza_get_child_by_name(stanza, STANZA_NAME_STATUS);
         if (status != NULL)
             status_str = xmpp_stanza_get_text(status);