libempathy/empathy-chatroom-manager.c

   1 /*
   2  * Copyright (C) 2004-2007 Imendio AB
   3  * Copyright (C) 2007-2009 Collabora Ltd.
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License as
   7  * published by the Free Software Foundation; either version 2 of the
   8  * License, or (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public
  16  * License along with this program; if not, write to the
  17  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18  * Boston, MA 02111-1307, USA.
  19  *
  20  * Authors: Xavier Claessens <xclaesse@gmail.com>
  21  *          Martyn Russell <martyn@imendio.com>
  22  */
  23
  24 #include "config.h"
  25
  26 #include <string.h>
  27 #include <sys/types.h>
  28 #include <sys/stat.h>
  29
  30 #include <libxml/parser.h>
  31 #include <libxml/tree.h>
  32
  33 #include "empathy-tp-chat.h"
  34 #include "empathy-chatroom-manager.h"
  35 #include "empathy-utils.h"
  36
  37 #define DEBUG_FLAG EMPATHY_DEBUG_OTHER
  38 #include "empathy-debug.h"
  39
  40 #define CHATROOMS_XML_FILENAME "chatrooms.xml"
  41 #define CHATROOMS_DTD_FILENAME "empathy-chatroom-manager.dtd"
  42 #define SAVE_TIMER 4
  43
  44 static EmpathyChatroomManager *chatroom_manager_singleton = NULL;
  45
  46 #define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyChatroomManager)
  47 typedef struct
  48 {
  49   GList *chatrooms;
  50   gchar *file;
  51   /* source id of the autosave timer */
  52   gint save_timer_id;
  53 } EmpathyChatroomManagerPriv;
  54
  55 enum {
  56   CHATROOM_ADDED,
  57   CHATROOM_REMOVED,
  58   LAST_SIGNAL
  59 };
  60
  61 static guint signals[LAST_SIGNAL];
  62
  63 /* properties */
  64 enum
  65 {
  66   PROP_FILE = 1,
  67   LAST_PROPERTY
  68 };
  69
  70 G_DEFINE_TYPE (EmpathyChatroomManager, empathy_chatroom_manager, G_TYPE_OBJECT);
  71
  72 /*
  73  * API to save/load and parse the chatrooms file.
  74  */
  75
  76 static gboolean
  77 chatroom_manager_file_save (EmpathyChatroomManager *manager)
  78 {
  79         EmpathyChatroomManagerPriv *priv;
  80         xmlDocPtr                  doc;
  81         xmlNodePtr                 root;
  82         GList                     *l;
  83
  84         priv = GET_PRIV (manager);
  85
  86         doc = xmlNewDoc ("1.0");
  87         root = xmlNewNode (NULL, "chatrooms");
  88         xmlDocSetRootElement (doc, root);
  89
  90         for (l = priv->chatrooms; l; l = l->next) {
  91                 EmpathyChatroom *chatroom;
  92                 xmlNodePtr       node;
  93                 const gchar     *account_id;
  94                 gboolean         favorite;
  95
  96                 chatroom = l->data;
  97
  98                 g_object_get (chatroom, "favorite", &favorite, NULL);
  99                 if (!favorite) {
 100                         continue;
 101                 }
 102
 103                 account_id = mc_account_get_unique_name (empathy_chatroom_get_account (chatroom));
 104
 105                 node = xmlNewChild (root, NULL, "chatroom", NULL);
 106                 xmlNewTextChild (node, NULL, "name", empathy_chatroom_get_name (chatroom));
 107                 xmlNewTextChild (node, NULL, "room", empathy_chatroom_get_room (chatroom));
 108                 xmlNewTextChild (node, NULL, "account", account_id);
 109                 xmlNewTextChild (node, NULL, "auto_connect",
 110                         empathy_chatroom_get_auto_connect (chatroom) ? "yes" : "no");
 111         }
 112
 113         /* Make sure the XML is indented properly */
 114         xmlIndentTreeOutput = 1;
 115
 116         DEBUG ("Saving file:'%s'", priv->file);
 117         xmlSaveFormatFileEnc (priv->file, doc, "utf-8", 1);
 118         xmlFreeDoc (doc);
 119
 120         xmlCleanupParser ();
 121         xmlMemoryDump ();
 122
 123         return TRUE;
 124 }
 125
 126 static gboolean
 127 save_timeout (EmpathyChatroomManager *self)
 128 {
 129   EmpathyChatroomManagerPriv *priv = GET_PRIV (self);
 130
 131   priv->save_timer_id = 0;
 132   chatroom_manager_file_save (self);
 133
 134   return FALSE;
 135 }
 136
 137 static void
 138 reset_save_timeout (EmpathyChatroomManager *self)
 139 {
 140   EmpathyChatroomManagerPriv *priv = GET_PRIV (self);
 141
 142   if (priv->save_timer_id > 0)
 143     {
 144       g_source_remove (priv->save_timer_id);
 145     }
 146
 147   priv->save_timer_id = g_timeout_add_seconds (SAVE_TIMER,
 148       (GSourceFunc) save_timeout, self);
 149 }
 150
 151 static void
 152 chatroom_changed_cb (EmpathyChatroom *chatroom,
 153                      GParamSpec *spec,
 154                      EmpathyChatroomManager *self)
 155 {
 156   reset_save_timeout (self);
 157 }
 158
 159 static void
 160 add_chatroom (EmpathyChatroomManager *self,
 161               EmpathyChatroom *chatroom)
 162 {
 163   EmpathyChatroomManagerPriv *priv = GET_PRIV (self);
 164
 165   priv->chatrooms = g_list_prepend (priv->chatrooms, g_object_ref (chatroom));
 166
 167   g_signal_connect (chatroom, "notify",
 168       G_CALLBACK (chatroom_changed_cb), self);
 169 }
 170
 171 static void
 172 chatroom_manager_parse_chatroom (EmpathyChatroomManager *manager,
 173                                  xmlNodePtr             node)
 174 {
 175         EmpathyChatroomManagerPriv *priv;
 176         EmpathyChatroom            *chatroom;
 177         McAccount                 *account;
 178         xmlNodePtr                 child;
 179         gchar                     *str;
 180         gchar                     *name;
 181         gchar                     *room;
 182         gchar                     *account_id;
 183         gboolean                   auto_connect;
 184
 185         priv = GET_PRIV (manager);
 186
 187         /* default values. */
 188         name = NULL;
 189         room = NULL;
 190         auto_connect = TRUE;
 191         account_id = NULL;
 192
 193         for (child = node->children; child; child = child->next) {
 194                 gchar *tag;
 195
 196                 if (xmlNodeIsText (child)) {
 197                         continue;
 198                 }
 199
 200                 tag = (gchar *) child->name;
 201                 str = (gchar *) xmlNodeGetContent (child);
 202
 203                 if (strcmp (tag, "name") == 0) {
 204                         name = g_strdup (str);
 205                 }
 206                 else if (strcmp (tag, "room") == 0) {
 207                         room = g_strdup (str);
 208                 }
 209                 else if (strcmp (tag, "auto_connect") == 0) {
 210                         if (strcmp (str, "yes") == 0) {
 211                                 auto_connect = TRUE;
 212                         } else {
 213                                 auto_connect = FALSE;
 214                         }
 215                 }
 216                 else if (strcmp (tag, "account") == 0) {
 217                         account_id = g_strdup (str);
 218                 }
 219
 220                 xmlFree (str);
 221         }
 222
 223         account = mc_account_lookup (account_id);
 224         if (!account) {
 225                 g_free (name);
 226                 g_free (room);
 227                 g_free (account_id);
 228                 return;
 229         }
 230
 231         chatroom = empathy_chatroom_new_full (account, room, name, auto_connect);
 232         g_object_set (chatroom, "favorite", TRUE, NULL);
 233         add_chatroom (manager, chatroom);
 234         g_signal_emit (manager, signals[CHATROOM_ADDED], 0, chatroom);
 235
 236         g_object_unref (account);
 237         g_free (name);
 238         g_free (room);
 239         g_free (account_id);
 240 }
 241
 242 static gboolean
 243 chatroom_manager_file_parse (EmpathyChatroomManager *manager,
 244                              const gchar           *filename)
 245 {
 246         EmpathyChatroomManagerPriv *priv;
 247         xmlParserCtxtPtr           ctxt;
 248         xmlDocPtr                  doc;
 249         xmlNodePtr                 chatrooms;
 250         xmlNodePtr                 node;
 251
 252         priv = GET_PRIV (manager);
 253
 254         DEBUG ("Attempting to parse file:'%s'...", filename);
 255
 256         ctxt = xmlNewParserCtxt ();
 257
 258         /* Parse and validate the file. */
 259         doc = xmlCtxtReadFile (ctxt, filename, NULL, 0);
 260         if (!doc) {
 261                 g_warning ("Failed to parse file:'%s'", filename);
 262                 xmlFreeParserCtxt (ctxt);
 263                 return FALSE;
 264         }
 265
 266         if (!empathy_xml_validate (doc, CHATROOMS_DTD_FILENAME)) {
 267                 g_warning ("Failed to validate file:'%s'", filename);
 268                 xmlFreeDoc(doc);
 269                 xmlFreeParserCtxt (ctxt);
 270                 return FALSE;
 271         }
 272
 273         /* The root node, chatrooms. */
 274         chatrooms = xmlDocGetRootElement (doc);
 275
 276         for (node = chatrooms->children; node; node = node->next) {
 277                 if (strcmp ((gchar *) node->name, "chatroom") == 0) {
 278                         chatroom_manager_parse_chatroom (manager, node);
 279                 }
 280         }
 281
 282         DEBUG ("Parsed %d chatrooms", g_list_length (priv->chatrooms));
 283
 284         xmlFreeDoc(doc);
 285         xmlFreeParserCtxt (ctxt);
 286
 287         return TRUE;
 288 }
 289
 290 static gboolean
 291 chatroom_manager_get_all (EmpathyChatroomManager *manager)
 292 {
 293         EmpathyChatroomManagerPriv *priv;
 294
 295         priv = GET_PRIV (manager);
 296
 297         /* read file in */
 298         if (g_file_test (priv->file, G_FILE_TEST_EXISTS) &&
 299             !chatroom_manager_file_parse (manager, priv->file)) {
 300                 return FALSE;
 301         }
 302
 303         return TRUE;
 304 }
 305
 306 static void
 307 empathy_chatroom_manager_get_property (GObject *object,
 308                                        guint property_id,
 309                                        GValue *value,
 310                                        GParamSpec *pspec)
 311 {
 312   EmpathyChatroomManager *self = EMPATHY_CHATROOM_MANAGER (object);
 313   EmpathyChatroomManagerPriv *priv = GET_PRIV (self);
 314
 315   switch (property_id)
 316     {
 317       case PROP_FILE:
 318         g_value_set_string (value, priv->file);
 319         break;
 320       default:
 321         G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
 322         break;
 323     }
 324 }
 325
 326 static void
 327 empathy_chatroom_manager_set_property (GObject *object,
 328                                        guint property_id,
 329                                        const GValue *value,
 330                                        GParamSpec *pspec)
 331 {
 332   EmpathyChatroomManager *self = EMPATHY_CHATROOM_MANAGER (object);
 333   EmpathyChatroomManagerPriv *priv = GET_PRIV (self);
 334
 335   switch (property_id)
 336     {
 337       case PROP_FILE:
 338         g_free (priv->file);
 339         priv->file = g_value_dup_string (value);
 340         break;
 341       default:
 342         G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
 343         break;
 344     }
 345 }
 346
 347 static void
 348 chatroom_manager_finalize (GObject *object)
 349 {
 350   EmpathyChatroomManager *self = EMPATHY_CHATROOM_MANAGER (object);
 351   EmpathyChatroomManagerPriv *priv;
 352   GList *l;
 353
 354   priv = GET_PRIV (object);
 355
 356   if (priv->save_timer_id > 0)
 357     {
 358       /* have to save before destroy the object */
 359       g_source_remove (priv->save_timer_id);
 360       priv->save_timer_id = 0;
 361       chatroom_manager_file_save (self);
 362     }
 363
 364   for (l = priv->chatrooms; l != NULL; l = g_list_next (l))
 365     {
 366       EmpathyChatroom *chatroom = l->data;
 367
 368       g_signal_handlers_disconnect_by_func (chatroom, chatroom_changed_cb,
 369           self);
 370
 371       g_object_unref (chatroom);
 372     }
 373
 374   g_list_free (priv->chatrooms);
 375   g_free (priv->file);
 376
 377   (G_OBJECT_CLASS (empathy_chatroom_manager_parent_class)->finalize) (object);
 378 }
 379
 380 static GObject *
 381 empathy_chatroom_manager_constructor (GType type,
 382                                       guint n_props,
 383                                       GObjectConstructParam *props)
 384 {
 385   GObject *obj;
 386   EmpathyChatroomManager *self;
 387   EmpathyChatroomManagerPriv *priv;
 388
 389   if (chatroom_manager_singleton != NULL)
 390     return g_object_ref (chatroom_manager_singleton);
 391
 392   /* Parent constructor chain */
 393   obj = G_OBJECT_CLASS (empathy_chatroom_manager_parent_class)->
 394         constructor (type, n_props, props);
 395
 396   self = EMPATHY_CHATROOM_MANAGER (obj);
 397   priv = GET_PRIV (self);
 398
 399   chatroom_manager_singleton = self;
 400   g_object_add_weak_pointer (obj, (gpointer) &chatroom_manager_singleton);
 401
 402   if (priv->file == NULL)
 403     {
 404       /* Set the default file path */
 405       gchar *dir;
 406
 407       dir = g_build_filename (g_get_home_dir (), ".gnome2", PACKAGE_NAME, NULL);
 408       if (!g_file_test (dir, G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR))
 409         g_mkdir_with_parents (dir, S_IRUSR | S_IWUSR | S_IXUSR);
 410
 411       priv->file = g_build_filename (dir, CHATROOMS_XML_FILENAME, NULL);
 412       g_free (dir);
 413     }
 414
 415   chatroom_manager_get_all (self);
 416   return obj;
 417 }
 418
 419 static void
 420 empathy_chatroom_manager_class_init (EmpathyChatroomManagerClass *klass)
 421 {
 422   GObjectClass *object_class = G_OBJECT_CLASS (klass);
 423   GParamSpec *param_spec;
 424
 425   object_class->constructor = empathy_chatroom_manager_constructor;
 426   object_class->get_property = empathy_chatroom_manager_get_property;
 427   object_class->set_property = empathy_chatroom_manager_set_property;
 428         object_class->finalize = chatroom_manager_finalize;
 429
 430   param_spec = g_param_spec_string (
 431       "file",
 432       "path of the favorite file",
 433       "The path of the XML file containing user's favorites",
 434       NULL,
 435       G_PARAM_CONSTRUCT_ONLY |
 436       G_PARAM_READWRITE |
 437       G_PARAM_STATIC_NAME |
 438       G_PARAM_STATIC_NICK |
 439       G_PARAM_STATIC_BLURB);
 440   g_object_class_install_property (object_class, PROP_FILE, param_spec);
 441
 442   signals[CHATROOM_ADDED] = g_signal_new ("chatroom-added",
 443       G_TYPE_FROM_CLASS (klass),
 444       G_SIGNAL_RUN_LAST,
 445       0, NULL, NULL,
 446       g_cclosure_marshal_VOID__OBJECT,
 447       G_TYPE_NONE,
 448       1, EMPATHY_TYPE_CHATROOM);
 449
 450   signals[CHATROOM_REMOVED] = g_signal_new ("chatroom-removed",
 451       G_TYPE_FROM_CLASS (klass),
 452       G_SIGNAL_RUN_LAST,
 453       0, NULL, NULL,
 454       g_cclosure_marshal_VOID__OBJECT,
 455       G_TYPE_NONE,
 456       1, EMPATHY_TYPE_CHATROOM);
 457
 458   g_type_class_add_private (object_class, sizeof (EmpathyChatroomManagerPriv));
 459 }
 460
 461 static void
 462 empathy_chatroom_manager_init (EmpathyChatroomManager *manager)
 463 {
 464   EmpathyChatroomManagerPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (manager,
 465       EMPATHY_TYPE_CHATROOM_MANAGER, EmpathyChatroomManagerPriv);
 466
 467   manager->priv = priv;
 468 }
 469
 470 EmpathyChatroomManager *
 471 empathy_chatroom_manager_dup_singleton (const gchar *file)
 472 {
 473   return EMPATHY_CHATROOM_MANAGER (g_object_new (EMPATHY_TYPE_CHATROOM_MANAGER,
 474       "file", file, NULL));
 475 }
 476
 477 gboolean
 478 empathy_chatroom_manager_add (EmpathyChatroomManager *manager,
 479                              EmpathyChatroom        *chatroom)
 480 {
 481   EmpathyChatroomManagerPriv *priv;
 482
 483   g_return_val_if_fail (EMPATHY_IS_CHATROOM_MANAGER (manager), FALSE);
 484   g_return_val_if_fail (EMPATHY_IS_CHATROOM (chatroom), FALSE);
 485
 486   priv = GET_PRIV (manager);
 487
 488   /* don't add more than once */
 489   if (!empathy_chatroom_manager_find (manager,
 490       empathy_chatroom_get_account (chatroom),
 491       empathy_chatroom_get_room (chatroom)))
 492     {
 493       gboolean favorite;
 494
 495       g_object_get (chatroom, "favorite", &favorite, NULL);
 496       add_chatroom (manager, chatroom);
 497
 498       if (favorite)
 499         reset_save_timeout (manager);
 500
 501       g_signal_emit (manager, signals[CHATROOM_ADDED], 0, chatroom);
 502       return TRUE;
 503     }
 504
 505   return FALSE;
 506 }
 507
 508 void
 509 empathy_chatroom_manager_remove (EmpathyChatroomManager *manager,
 510                                  EmpathyChatroom        *chatroom)
 511 {
 512   EmpathyChatroomManagerPriv *priv;
 513   GList *l;
 514
 515   g_return_if_fail (EMPATHY_IS_CHATROOM_MANAGER (manager));
 516   g_return_if_fail (EMPATHY_IS_CHATROOM (chatroom));
 517
 518   priv = GET_PRIV (manager);
 519
 520   for (l = priv->chatrooms; l; l = l->next)
 521     {
 522       EmpathyChatroom *this_chatroom;
 523
 524       this_chatroom = l->data;
 525
 526       if (this_chatroom == chatroom ||
 527           empathy_chatroom_equal (chatroom, this_chatroom))
 528         {
 529           gboolean favorite;
 530
 531           priv->chatrooms = g_list_delete_link (priv->chatrooms, l);
 532           g_object_get (chatroom, "favorite", &favorite, NULL);
 533           if (favorite)
 534             reset_save_timeout (manager);
 535
 536           g_signal_emit (manager, signals[CHATROOM_REMOVED], 0, this_chatroom);
 537           g_signal_handlers_disconnect_by_func (chatroom, chatroom_changed_cb,
 538               manager);
 539
 540           g_object_unref (this_chatroom);
 541           break;
 542         }
 543     }
 544 }
 545
 546 EmpathyChatroom *
 547 empathy_chatroom_manager_find (EmpathyChatroomManager *manager,
 548                                McAccount *account,
 549                                const gchar *room)
 550 {
 551         EmpathyChatroomManagerPriv *priv;
 552         GList                     *l;
 553
 554         g_return_val_if_fail (EMPATHY_IS_CHATROOM_MANAGER (manager), NULL);
 555         g_return_val_if_fail (MC_IS_ACCOUNT (account), NULL);
 556         g_return_val_if_fail (room != NULL, NULL);
 557
 558         priv = GET_PRIV (manager);
 559
 560         for (l = priv->chatrooms; l; l = l->next) {
 561                 EmpathyChatroom *chatroom;
 562                 McAccount      *this_account;
 563                 const gchar    *this_room;
 564
 565                 chatroom = l->data;
 566                 this_account = empathy_chatroom_get_account (chatroom);
 567                 this_room = empathy_chatroom_get_room (chatroom);
 568
 569                 if (this_account && this_room &&
 570                     empathy_account_equal (account, this_account) &&
 571                     strcmp (this_room, room) == 0) {
 572                         return chatroom;
 573                 }
 574         }
 575
 576         return NULL;
 577 }
 578
 579 GList *
 580 empathy_chatroom_manager_get_chatrooms (EmpathyChatroomManager *manager,
 581                                        McAccount             *account)
 582 {
 583         EmpathyChatroomManagerPriv *priv;
 584         GList                     *chatrooms, *l;
 585
 586         g_return_val_if_fail (EMPATHY_IS_CHATROOM_MANAGER (manager), NULL);
 587
 588         priv = GET_PRIV (manager);
 589
 590         if (!account) {
 591                 return g_list_copy (priv->chatrooms);
 592         }
 593
 594         chatrooms = NULL;
 595         for (l = priv->chatrooms; l; l = l->next) {
 596                 EmpathyChatroom *chatroom;
 597
 598                 chatroom = l->data;
 599
 600                 if (empathy_account_equal (account,
 601                                           empathy_chatroom_get_account (chatroom))) {
 602                         chatrooms = g_list_append (chatrooms, chatroom);
 603                 }
 604         }
 605
 606         return chatrooms;
 607 }
 608
 609 guint
 610 empathy_chatroom_manager_get_count (EmpathyChatroomManager *manager,
 611                                    McAccount             *account)
 612 {
 613         EmpathyChatroomManagerPriv *priv;
 614         GList                     *l;
 615         guint                      count = 0;
 616
 617         g_return_val_if_fail (EMPATHY_IS_CHATROOM_MANAGER (manager), 0);
 618
 619         priv = GET_PRIV (manager);
 620
 621         if (!account) {
 622                 return g_list_length (priv->chatrooms);
 623         }
 624
 625         for (l = priv->chatrooms; l; l = l->next) {
 626                 EmpathyChatroom *chatroom;
 627
 628                 chatroom = l->data;
 629
 630                 if (empathy_account_equal (account,
 631                                            empathy_chatroom_get_account (chatroom))) {
 632                         count++;
 633                 }
 634         }
 635
 636         return count;
 637 }
 638
 639 static void
 640 chatroom_manager_chat_destroyed_cb (EmpathyTpChat *chat,
 641   gpointer user_data)
 642 {
 643   EmpathyChatroomManager *manager = EMPATHY_CHATROOM_MANAGER (user_data);
 644   McAccount *account = empathy_tp_chat_get_account (chat);
 645   EmpathyChatroom *chatroom;
 646   const gchar *roomname;
 647   gboolean favorite;
 648
 649   roomname = empathy_tp_chat_get_id (chat);
 650   chatroom = empathy_chatroom_manager_find (manager, account, roomname);
 651
 652   if (chatroom == NULL)
 653     return;
 654
 655   g_object_set (chatroom, "tp-chat", NULL, NULL);
 656   g_object_get (chatroom, "favorite", &favorite, NULL);
 657
 658   if (!favorite)
 659     {
 660       /* Remove the chatroom from the list, unless it's in the list of
 661        * favourites..
 662        * FIXME this policy should probably not be in libempathy */
 663       empathy_chatroom_manager_remove (manager, chatroom);
 664     }
 665 }
 666
 667 static void
 668 chatroom_manager_observe_channel_cb (EmpathyDispatcher *dispatcher,
 669   EmpathyDispatchOperation *operation, gpointer user_data)
 670 {
 671   EmpathyChatroomManager *manager = EMPATHY_CHATROOM_MANAGER (user_data);
 672   EmpathyChatroom *chatroom;
 673   TpChannel *channel;
 674   EmpathyTpChat *chat;
 675   const gchar *roomname;
 676   GQuark channel_type;
 677   TpHandleType handle_type;
 678   McAccount *account;
 679
 680   channel_type = empathy_dispatch_operation_get_channel_type_id (operation);
 681
 682   /* Observe Text channels to rooms only */
 683   if (channel_type != TP_IFACE_QUARK_CHANNEL_TYPE_TEXT)
 684     return;
 685
 686   channel = empathy_dispatch_operation_get_channel (operation);
 687   tp_channel_get_handle (channel, &handle_type);
 688
 689   if (handle_type != TP_HANDLE_TYPE_ROOM)
 690     return;
 691
 692   chat = EMPATHY_TP_CHAT (
 693     empathy_dispatch_operation_get_channel_wrapper (operation));
 694   account = empathy_tp_chat_get_account (chat);
 695
 696   roomname = empathy_tp_chat_get_id (chat);
 697
 698   chatroom = empathy_chatroom_manager_find (manager, account, roomname);
 699
 700   if (chatroom == NULL)
 701     {
 702       chatroom = empathy_chatroom_new_full (account, roomname, roomname,
 703         FALSE);
 704       g_object_set (G_OBJECT (chatroom), "tp-chat", chat, NULL);
 705       empathy_chatroom_manager_add (manager, chatroom);
 706       g_object_unref (chatroom);
 707     }
 708   else
 709     {
 710       g_object_set (G_OBJECT (chatroom), "tp-chat", chat, NULL);
 711     }
 712
 713   /* A TpChat is always destroyed as it only gets unreffed after the channel
 714    * has been invalidated in the dispatcher..  */
 715   g_signal_connect (chat, "destroy",
 716     G_CALLBACK (chatroom_manager_chat_destroyed_cb),
 717     manager);
 718 }
 719
 720 void
 721 empathy_chatroom_manager_observe (EmpathyChatroomManager *manager,
 722   EmpathyDispatcher *dispatcher)
 723 {
 724   g_signal_connect (dispatcher, "observe",
 725     G_CALLBACK (chatroom_manager_observe_channel_cb), manager);
 726 }