/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* Copyright (C) 2004-2007 Imendio AB
* Copyright (C) 2007 Collabora Ltd.
*
* 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.
*
* Authors: Xavier Claessens <xclaesse@gmail.com>
* Martyn Russell <martyn@imendio.com>
*/
#include "config.h"
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <libxml/parser.h>
#include <libxml/tree.h>
#include <libgnomevfs/gnome-vfs.h>
#include "gossip-debug.h"
#include "gossip-chatroom-manager.h"
#include "gossip-utils.h"
#define DEBUG_DOMAIN "ChatroomManager"
#define GET_PRIV(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), GOSSIP_TYPE_CHATROOM_MANAGER, GossipChatroomManagerPriv))
#define CHATROOMS_XML_FILENAME "chatrooms.xml"
#define CHATROOMS_DTD_FILENAME "gossip-chatroom-manager.dtd"
struct _GossipChatroomManagerPriv {
GList *chatrooms;
GHashTable *monitors;
};
static void gossip_chatroom_manager_class_init (GossipChatroomManagerClass *klass);
static void gossip_chatroom_manager_init (GossipChatroomManager *manager);
static void chatroom_manager_finalize (GObject *object);
static gboolean chatroom_manager_get_all (GossipChatroomManager *manager);
static void chatroom_manager_file_changed_cb (GnomeVFSMonitorHandle *handle,
const gchar *monitor_uri,
const gchar *info_uri,
GnomeVFSMonitorEventType event_type,
GossipChatroomManager *manager);
static gboolean chatroom_manager_file_parse (GossipChatroomManager *manager,
const gchar *filename);
static void chatroom_manager_parse_chatroom (GossipChatroomManager *manager,
xmlNodePtr node);
static gboolean chatroom_manager_file_save (GossipChatroomManager *manager);
enum {
CHATROOM_ADDED,
CHATROOM_REMOVED,
LAST_SIGNAL
};
static guint signals[LAST_SIGNAL];
G_DEFINE_TYPE (GossipChatroomManager, gossip_chatroom_manager, G_TYPE_OBJECT);
static void
gossip_chatroom_manager_class_init (GossipChatroomManagerClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->finalize = chatroom_manager_finalize;
signals[CHATROOM_ADDED] =
g_signal_new ("chatroom-added",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST,
0,
NULL, NULL,
g_cclosure_marshal_VOID__OBJECT,
G_TYPE_NONE,
1, GOSSIP_TYPE_CHATROOM);
signals[CHATROOM_REMOVED] =
g_signal_new ("chatroom-removed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST,
0,
NULL, NULL,
g_cclosure_marshal_VOID__OBJECT,
G_TYPE_NONE,
1, GOSSIP_TYPE_CHATROOM);
g_type_class_add_private (object_class,
sizeof (GossipChatroomManagerPriv));
}
static void
gossip_chatroom_manager_init (GossipChatroomManager *manager)
{
GossipChatroomManagerPriv *priv;
priv = GET_PRIV (manager);
priv->monitors = g_hash_table_new_full (g_str_hash,
g_str_equal,
(GDestroyNotify) g_free,
(GDestroyNotify) gnome_vfs_monitor_cancel);
}
static void
chatroom_manager_finalize (GObject *object)
{
GossipChatroomManagerPriv *priv;
priv = GET_PRIV (object);
g_list_foreach (priv->chatrooms, (GFunc) g_object_unref, NULL);
g_list_free (priv->chatrooms);
g_hash_table_destroy (priv->monitors);
(G_OBJECT_CLASS (gossip_chatroom_manager_parent_class)->finalize) (object);
}
GossipChatroomManager *
gossip_chatroom_manager_new (void)
{
static GossipChatroomManager *manager = NULL;
if (!manager) {
GossipChatroomManagerPriv *priv;
manager = g_object_new (GOSSIP_TYPE_CHATROOM_MANAGER, NULL);
priv = GET_PRIV (manager);
chatroom_manager_get_all (manager);
g_object_add_weak_pointer (G_OBJECT (manager), (gpointer) &manager);
} else {
g_object_ref (manager);
}
return manager;
}
gboolean
gossip_chatroom_manager_add (GossipChatroomManager *manager,
GossipChatroom *chatroom)
{
GossipChatroomManagerPriv *priv;
g_return_val_if_fail (GOSSIP_IS_CHATROOM_MANAGER (manager), FALSE);
g_return_val_if_fail (GOSSIP_IS_CHATROOM (chatroom), FALSE);
priv = GET_PRIV (manager);
/* don't add more than once */
if (!gossip_chatroom_manager_find (manager,
gossip_chatroom_get_account (chatroom),
gossip_chatroom_get_room (chatroom))) {
priv->chatrooms = g_list_prepend (priv->chatrooms, g_object_ref (chatroom));
chatroom_manager_file_save (manager);
g_signal_emit (manager, signals[CHATROOM_ADDED], 0, chatroom);
return TRUE;
}
return FALSE;
}
void
gossip_chatroom_manager_remove (GossipChatroomManager *manager,
GossipChatroom *chatroom)
{
GossipChatroomManagerPriv *priv;
GList *l;
g_return_if_fail (GOSSIP_IS_CHATROOM_MANAGER (manager));
g_return_if_fail (GOSSIP_IS_CHATROOM (chatroom));
priv = GET_PRIV (manager);
for (l = priv->chatrooms; l; l = l->next) {
GossipChatroom *this_chatroom;
this_chatroom = l->data;
if (gossip_chatroom_equal (chatroom, this_chatroom)) {
priv->chatrooms = g_list_delete_link (priv->chatrooms, l);
chatroom_manager_file_save (manager);
g_signal_emit (manager, signals[CHATROOM_REMOVED], 0, this_chatroom);
g_object_unref (this_chatroom);
break;
}
}
}
GossipChatroom *
gossip_chatroom_manager_find (GossipChatroomManager *manager,
McAccount *account,
const gchar *room)
{
GossipChatroomManagerPriv *priv;
GList *l;
g_return_val_if_fail (GOSSIP_IS_CHATROOM_MANAGER (manager), NULL);
g_return_val_if_fail (MC_IS_ACCOUNT (account), NULL);
g_return_val_if_fail (room != NULL, NULL);
priv = GET_PRIV (manager);
for (l = priv->chatrooms; l; l = l->next) {
GossipChatroom *chatroom;
McAccount *this_account;
const gchar *this_room;
chatroom = l->data;
this_account = gossip_chatroom_get_account (chatroom);
this_room = gossip_chatroom_get_room (chatroom);
if (this_account && this_room &&
gossip_account_equal (account, this_account) &&
strcmp (this_room, room) == 0) {
return chatroom;
}
}
return NULL;
}
GList *
gossip_chatroom_manager_get_chatrooms (GossipChatroomManager *manager,
McAccount *account)
{
GossipChatroomManagerPriv *priv;
GList *chatrooms, *l;
g_return_val_if_fail (GOSSIP_IS_CHATROOM_MANAGER (manager), NULL);
priv = GET_PRIV (manager);
if (!account) {
return g_list_copy (priv->chatrooms);
}
chatrooms = NULL;
for (l = priv->chatrooms; l; l = l->next) {
GossipChatroom *chatroom;
chatroom = l->data;
if (gossip_account_equal (account,
gossip_chatroom_get_account (chatroom))) {
chatrooms = g_list_append (chatrooms, chatroom);
}
}
return chatrooms;
}
guint
gossip_chatroom_manager_get_count (GossipChatroomManager *manager,
McAccount *account)
{
GossipChatroomManagerPriv *priv;
GList *l;
guint count = 0;
g_return_val_if_fail (GOSSIP_IS_CHATROOM_MANAGER (manager), 0);
priv = GET_PRIV (manager);
if (!account) {
return g_list_length (priv->chatrooms);
}
for (l = priv->chatrooms; l; l = l->next) {
GossipChatroom *chatroom;
chatroom = l->data;
if (gossip_account_equal (account,
gossip_chatroom_get_account (chatroom))) {
count++;
}
}
return count;
}
void
gossip_chatroom_manager_store (GossipChatroomManager *manager)
{
g_return_if_fail (GOSSIP_IS_CHATROOM_MANAGER (manager));
chatroom_manager_file_save (manager);
}
/*
* API to save/load and parse the chatrooms file.
*/
static gboolean
chatroom_manager_get_all (GossipChatroomManager *manager)
{
GossipChatroomManagerPriv *priv;
gchar *dir;
gchar *file_with_path = NULL;
priv = GET_PRIV (manager);
dir = g_build_filename (g_get_home_dir (), ".gnome2", PACKAGE_NAME, NULL);
if (!g_file_test (dir, G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR)) {
g_mkdir_with_parents (dir, S_IRUSR | S_IWUSR | S_IXUSR);
}
file_with_path = g_build_filename (dir, CHATROOMS_XML_FILENAME, NULL);
g_free (dir);
/* read file in */
if (g_file_test (file_with_path, G_FILE_TEST_EXISTS) &&
!chatroom_manager_file_parse (manager, file_with_path)) {
g_free (file_with_path);
return FALSE;
}
g_free (file_with_path);
return TRUE;
}
static void
chatroom_manager_file_changed_cb (GnomeVFSMonitorHandle *handle,
const gchar *monitor_uri,
const gchar *info_uri,
GnomeVFSMonitorEventType event_type,
GossipChatroomManager *manager)
{
GossipChatroomManagerPriv *priv;
GList *l;
priv = GET_PRIV (manager);
gossip_debug (DEBUG_DOMAIN, "Reload file: %s", monitor_uri);
/* FIXME: This is not optimised */
for (l = priv->chatrooms; l; l = l->next) {
g_signal_emit (manager, signals[CHATROOM_REMOVED], 0, l->data);
g_object_unref (l->data);
}
g_list_free (priv->chatrooms);
priv->chatrooms = NULL;
chatroom_manager_get_all (manager);
}
static gboolean
chatroom_manager_file_parse (GossipChatroomManager *manager,
const gchar *filename)
{
GossipChatroomManagerPriv *priv;
xmlParserCtxtPtr ctxt;
xmlDocPtr doc;
xmlNodePtr chatrooms;
xmlNodePtr node;
priv = GET_PRIV (manager);
/* Do not monitor this file twice if it's already monitored */
if (!g_hash_table_lookup (priv->monitors, filename)) {
GnomeVFSMonitorHandle *handle;
gnome_vfs_monitor_add (&handle,
filename,
GNOME_VFS_MONITOR_FILE,
(GnomeVFSMonitorCallback) chatroom_manager_file_changed_cb,
manager);
g_hash_table_insert (priv->monitors, g_strdup (filename), handle);
}
gossip_debug (DEBUG_DOMAIN, "Attempting to parse file:'%s'...", filename);
ctxt = xmlNewParserCtxt ();
/* Parse and validate the file. */
doc = xmlCtxtReadFile (ctxt, filename, NULL, 0);
if (!doc) {
g_warning ("Failed to parse file:'%s'", filename);
xmlFreeParserCtxt (ctxt);
return FALSE;
}
if (!gossip_xml_validate (doc, CHATROOMS_DTD_FILENAME)) {
g_warning ("Failed to validate file:'%s'", filename);
xmlFreeDoc(doc);
xmlFreeParserCtxt (ctxt);
return FALSE;
}
/* The root node, chatrooms. */
chatrooms = xmlDocGetRootElement (doc);
for (node = chatrooms->children; node; node = node->next) {
if (strcmp ((gchar *) node->name, "chatroom") == 0) {
chatroom_manager_parse_chatroom (manager, node);
}
}
gossip_debug (DEBUG_DOMAIN,
"Parsed %d chatrooms",
g_list_length (priv->chatrooms));
xmlFreeDoc(doc);
xmlFreeParserCtxt (ctxt);
return TRUE;
}
static void
chatroom_manager_parse_chatroom (GossipChatroomManager *manager,
xmlNodePtr node)
{
GossipChatroomManagerPriv *priv;
GossipChatroom *chatroom;
McAccount *account;
xmlNodePtr child;
gchar *str;
gchar *name;
gchar *room;
gchar *account_id;
gboolean auto_connect;
priv = GET_PRIV (manager);
/* default values. */
name = NULL;
room = NULL;
auto_connect = TRUE;
account_id = NULL;
for (child = node->children; child; child = child->next) {
gchar *tag;
if (xmlNodeIsText (child)) {
continue;
}
tag = (gchar *) child->name;
str = (gchar *) xmlNodeGetContent (child);
if (strcmp (tag, "name") == 0) {
name = g_strdup (str);
}
else if (strcmp (tag, "room") == 0) {
room = g_strdup (str);
}
else if (strcmp (tag, "auto_connect") == 0) {
if (strcmp (str, "yes") == 0) {
auto_connect = TRUE;
} else {
auto_connect = FALSE;
}
}
else if (strcmp (tag, "account") == 0) {
account_id = g_strdup (str);
}
xmlFree (str);
}
account = mc_account_lookup (account_id);
if (!account) {
g_free (name);
g_free (room);
g_free (account_id);
return;
}
chatroom = gossip_chatroom_new_full (account, room, name, auto_connect);
priv->chatrooms = g_list_prepend (priv->chatrooms, chatroom);
g_signal_emit (manager, signals[CHATROOM_ADDED], 0, chatroom);
g_object_unref (account);
g_free (name);
g_free (room);
g_free (account_id);
}
static gboolean
chatroom_manager_file_save (GossipChatroomManager *manager)
{
GossipChatroomManagerPriv *priv;
xmlDocPtr doc;
xmlNodePtr root;
GList *l;
gchar *dir;
gchar *file;
priv = GET_PRIV (manager);
dir = g_build_filename (g_get_home_dir (), ".gnome2", PACKAGE_NAME, NULL);
if (!g_file_test (dir, G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR)) {
g_mkdir_with_parents (dir, S_IRUSR | S_IWUSR | S_IXUSR);
}
file = g_build_filename (dir, CHATROOMS_XML_FILENAME, NULL);
g_free (dir);
doc = xmlNewDoc ("1.0");
root = xmlNewNode (NULL, "chatrooms");
xmlDocSetRootElement (doc, root);
for (l = priv->chatrooms; l; l = l->next) {
GossipChatroom *chatroom;
xmlNodePtr node;
const gchar *account_id;
chatroom = l->data;
account_id = mc_account_get_unique_name (gossip_chatroom_get_account (chatroom));
node = xmlNewChild (root, NULL, "chatroom", NULL);
xmlNewTextChild (node, NULL, "name", gossip_chatroom_get_name (chatroom));
xmlNewTextChild (node, NULL, "room", gossip_chatroom_get_room (chatroom));
xmlNewTextChild (node, NULL, "account", account_id);
xmlNewTextChild (node, NULL, "auto_connect", gossip_chatroom_get_auto_connect (chatroom) ? "yes" : "no");
}
/* Make sure the XML is indented properly */
xmlIndentTreeOutput = 1;
gossip_debug (DEBUG_DOMAIN, "Saving file:'%s'", file);
xmlSaveFormatFileEnc (file, doc, "utf-8", 1);
xmlFreeDoc (doc);
xmlCleanupParser ();
xmlMemoryDump ();
g_free (file);
return TRUE;
}
