src/protocols/jabber/chat.c

/*
 * gaim - Jabber Protocol Plugin
 *
 * Copyright (C) 2003, Nathan Walp <faceprint@faceprint.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 "internal.h"
#include "debug.h"
#include "multi.h" /* for proto_chat_entry */

#include "chat.h"
#include "message.h"
#include "presence.h"

GList *jabber_chat_info(GaimConnection *gc)
{
	GList *m = NULL;
	struct proto_chat_entry *pce;
	JabberStream *js = gc->proto_data;

	pce = g_new0(struct proto_chat_entry, 1);
	pce->label = _("Room:");
	pce->identifier = "room";
	m = g_list_append(m, pce);

	/* we're gonna default to a conference server I know is true, until
	 * I can figure out how to disco for a chat server */
	pce = g_new0(struct proto_chat_entry, 1);
	pce->label = _("Server:");
	pce->identifier = "server";
	pce->def = "conference.jabber.org";
	m = g_list_append(m, pce);

	pce = g_new0(struct proto_chat_entry, 1);
	pce->label = _("Handle:");
	pce->identifier = "handle";
	pce->def = js->user->node;
	m = g_list_append(m, pce);

	pce = g_new0(struct proto_chat_entry, 1);
	pce->label = _("Password:");
	pce->identifier = "password";
	pce->secret = TRUE;
	m = g_list_append(m, pce);

	return m;
}

JabberChat *jabber_chat_find(JabberStream *js, const char *room,
		const char *server)
{
	JabberChat *chat;
	char *room_jid;

	room_jid = g_strdup_printf("%s@%s", room, server);

	chat = g_hash_table_lookup(js->chats, room_jid);
	g_free(room_jid);

	return chat;
}

struct _find_by_id_data {
	int id;
	JabberChat *chat;
};

void find_by_id_foreach_cb(gpointer key, gpointer value, gpointer user_data)
{
	JabberChat *chat = value;
	struct _find_by_id_data *fbid = user_data;

	if(chat->id == fbid->id)
		fbid->chat = chat;
}

JabberChat *jabber_chat_find_by_id(JabberStream *js, int id)
{
	JabberChat *chat;
	struct _find_by_id_data *fbid = g_new0(struct _find_by_id_data, 1);
	fbid->id = id;
	g_hash_table_foreach(js->chats, find_by_id_foreach_cb, fbid);
	chat = fbid->chat;
	g_free(fbid);
	return chat;
}

void jabber_chat_invite(GaimConnection *gc, int id, const char *msg,
		const char *name)
{
	JabberStream *js = gc->proto_data;
	JabberChat *chat;
	xmlnode *message, *body, *x, *invite;
	char *room_jid;

	chat = jabber_chat_find_by_id(js, id);
	if(!chat)
		return;

	message = xmlnode_new("message");

	room_jid = g_strdup_printf("%s@%s", chat->room, chat->server);

	if(chat->muc) {
		xmlnode_set_attrib(message, "to", room_jid);
		x = xmlnode_new_child(message, "x");
		xmlnode_set_attrib(x, "xmlns", "http://jabber.org/protocol/muc#user");
		invite = xmlnode_new_child(x, "invite");
		xmlnode_set_attrib(invite, "to", name);
		body = xmlnode_new_child(invite, "reason");
		xmlnode_insert_data(body, msg, -1);
	} else {
		xmlnode_set_attrib(message, "to", name);
		body = xmlnode_new_child(message, "body");
		xmlnode_insert_data(body, msg, -1);
		x = xmlnode_new_child(message, "x");
		xmlnode_set_attrib(x, "jid", room_jid);
		xmlnode_set_attrib(x, "xmlns", "jabber:x:conference");
	}

	jabber_send(js, message);
	xmlnode_free(message);
	g_free(room_jid);
}

void jabber_chat_whisper(GaimConnection *gc, int id, const char *who,
		const char *message)
{
	JabberStream *js = gc->proto_data;
	JabberChat *chat;
	char *full_jid;

	chat = jabber_chat_find_by_id(js, id);

	/* TODO: we get real Jabber IDs from MUC sometimes, we need to cache
	 * them eventually */
	full_jid = g_strdup_printf("%s@%s/%s", chat->room, chat->server, who);

	jabber_message_send_im(gc, full_jid, message, 0);

	g_free(full_jid);
}

void jabber_chat_join(GaimConnection *gc, GHashTable *data)
{
	JabberChat *chat;
	char *room, *server, *handle, *passwd;
	xmlnode *presence, *x;
	char *room_jid, *full_jid;
	JabberStream *js = gc->proto_data;

	room = g_hash_table_lookup(data, "room");
	server = g_hash_table_lookup(data, "server");
	handle = g_hash_table_lookup(data, "handle");
	passwd = g_hash_table_lookup(data, "password");

	if(!room || !server || !handle)
		return;

	if(jabber_chat_find(js, room, server))
		return;

	room_jid = g_strdup_printf("%s@%s", room, server);

	chat = g_new0(JabberChat, 1);
	chat->js = gc->proto_data;

	chat->room = g_strdup(room);
	chat->server = g_strdup(server);
	chat->nick = g_strdup(handle);

	g_hash_table_insert(js->chats, room_jid, chat);

	presence = jabber_presence_create(gc->away_state, gc->away);
	full_jid = g_strdup_printf("%s/%s", room_jid, handle);
	xmlnode_set_attrib(presence, "to", full_jid);
	g_free(full_jid);

	x = xmlnode_new_child(presence, "x");
	xmlnode_set_attrib(x, "xmlns", "http://jabber.org/protocol/muc");

	if(passwd && *passwd) {
		xmlnode *password = xmlnode_new_child(x, "password");
		xmlnode_insert_data(password, passwd, -1);
	}

	jabber_send(js, presence);
	xmlnode_free(presence);
}

void jabber_chat_leave(GaimConnection *gc, int id)
{
	JabberStream *js = gc->proto_data;
	JabberChat *chat = jabber_chat_find_by_id(js, id);
	char *room_jid;
	xmlnode *presence;

	if(!chat)
		return;

	room_jid = g_strdup_printf("%s@%s", chat->room, chat->server);
	gaim_debug(GAIM_DEBUG_INFO, "jabber", "%s is leaving chat %s\n",
			chat->nick, room_jid);
	presence = xmlnode_new("presence");
	xmlnode_set_attrib(presence, "to", room_jid);
	xmlnode_set_attrib(presence, "type", "unavailable");
	jabber_send(js, presence);
	xmlnode_free(presence);
}

void jabber_chat_destroy(JabberChat *chat)
{
	JabberStream *js = chat->js;
	char *room_jid = g_strdup_printf("%s@%s", chat->room, chat->server);

	g_hash_table_remove(js->chats, room_jid);
	g_free(room_jid);

	g_free(chat->room);
	g_free(chat->server);
	g_free(chat->nick);
	g_free(chat);
}

gboolean jabber_chat_find_buddy(GaimConversation *conv, const char *name)
{
	GList *m = gaim_conv_chat_get_users(GAIM_CONV_CHAT(conv));

	while(m) {
		if(!strcmp(m->data, name))
			return TRUE;
		m = m->next;
	}

	return FALSE;
}