libpurple/protocols/jabber/pep.c

/*
 * purple - Jabber Protocol Plugin
 *
 * Copyright (C) 2007, Andreas Monitzer <andy@monitzer.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

#include "pep.h"
#include "iq.h"
#include <string.h>

static GHashTable *pep_handlers = NULL;

void jabber_pep_init(void) {
    if(!pep_handlers) {
        pep_handlers = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, NULL);
        
        /* register PEP handlers here */
    }
}

void jabber_pep_register_handler(const char *shortname, const char *xmlns, JabberPEPHandler handlerfunc) {
    gchar *notifyns = g_strdup_printf("%s+notify", xmlns);
    jabber_add_feature(shortname, notifyns);
    g_free(notifyns);
	g_hash_table_replace(pep_handlers, g_strdup(xmlns), handlerfunc);
}

void jabber_handle_event(JabberMessage *jm) {
    /* this may be called even when the own server doesn't support pep! */
    JabberPEPHandler *jph;
    GList *itemslist;
    for(itemslist = jm->eventitems; itemslist; itemslist = itemslist->next) {
        xmlnode *items = (xmlnode*)itemslist->data;
        const char *xmlns = xmlnode_get_namespace(items);
        
        if((jph = g_hash_table_lookup(pep_handlers, xmlns)))
            jph(jm->js, items);
    }
    
    /* discard items we don't have a handler for */
}

void jabber_pep_publish(JabberStream *js, xmlnode *publish) {
    JabberIq *iq;
    
    if(js->pep != TRUE) /* ignore when there's no PEP support on the server */
        return;
    
    iq = jabber_iq_new(js, JABBER_IQ_SET);
    
    xmlnode *pubsub = xmlnode_new("pubsub");
    xmlnode_set_namespace(pubsub, "http://jabber.org/protocol/pubsub");
    
    xmlnode_insert_child(pubsub, publish);
    
    xmlnode_insert_child(iq->node, pubsub);
    
    jabber_iq_send(iq);
}