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 static void
  73 empathy_chatroom_manager_get_property (GObject *object,
  74                                        guint property_id,
  75                                        GValue *value,
  76                                        GParamSpec *pspec)
  77 {
  78   EmpathyChatroomManager *self = EMPATHY_CHATROOM_MANAGER (object);
  79   EmpathyChatroomManagerPriv *priv = GET_PRIV (self);
  80
  81   switch (property_id)
  82     {
  83       case PROP_FILE:
  84         g_value_set_string (value, priv->file);
  85         break;
  86       default:
  87         G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
  88         break;
  89     }
  90 }
  91
  92 static void
  93 empathy_chatroom_manager_set_property (GObject *object,
  94                                        guint property_id,
  95                                        const GValue *value,
  96                                        GParamSpec *pspec)
  97 {
  98   EmpathyChatroomManager *self = EMPATHY_CHATROOM_MANAGER (object);
  99   EmpathyChatroomManagerPriv *priv = GET_PRIV (self);
 100
 101   switch (property_id)
 102     {
 103       case PROP_FILE:
 104         g_free (priv->file);
 105         priv->file = g_value_dup_string (value);
 106         break;
 107       default:
 108         G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
 109         break;
 110     }
 111 }
 112
 113 static GObject *
 114 empathy_chatroom_manager_constructor (GType type,
 115                                       guint n_props,
 116                                       GObjectConstructParam *props)
 117 {
 118   GObject *obj;
 119   EmpathyChatroomManager *self;
 120   EmpathyChatroomManagerPriv *priv;
 121
 122   if (chatroom_manager_singleton != NULL)
 123     return g_object_ref (chatroom_manager_singleton);
 124
 125   /* Parent constructor chain */
 126   obj = G_OBJECT_CLASS (empathy_chatroom_manager_parent_class)->
 127         constructor (type, n_props, props);
 128
 129   self = EMPATHY_CHATROOM_MANAGER (obj);
 130   priv = GET_PRIV (self);
 131
 132   chatroom_manager_singleton = self;
 133   g_object_add_weak_pointer (obj, (gpointer) &chatroom_manager_singleton);
 134
 135   if (priv->file == NULL)
 136     {
 137       /* Set the default file path */
 138       gchar *dir;
 139
 140       dir = g_build_filename (g_get_home_dir (), ".gnome2", PACKAGE_NAME, NULL);
 141       if (!g_file_test (dir, G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR))
 142         g_mkdir_with_parents (dir, S_IRUSR | S_IWUSR | S_IXUSR);
 143
 144       priv->file = g_build_filename (dir, CHATROOMS_XML_FILENAME, NULL);
 145       g_free (dir);
 146     }
 147
 148   chatroom_manager_get_all (self);
 149   return obj;
 150 }
 151
 152 static void
 153 empathy_chatroom_manager_class_init (EmpathyChatroomManagerClass *klass)
 154 {
 155   GObjectClass *object_class = G_OBJECT_CLASS (klass);
 156   GParamSpec *param_spec;
 157
 158   object_class->constructor = empathy_chatroom_manager_constructor;
 159   object_class->get_property = empathy_chatroom_manager_get_property;
 160   object_class->set_property = empathy_chatroom_manager_set_property;
 161         object_class->finalize = chatroom_manager_finalize;
 162
 163   param_spec = g_param_spec_string (
 164       "file",
 165       "path of the favorite file",
 166       "The path of the XML file containing user's favorites",
 167       NULL,
 168       G_PARAM_CONSTRUCT_ONLY |
 169       G_PARAM_READWRITE |
 170       G_PARAM_STATIC_NAME |
 171       G_PARAM_STATIC_NICK |
 172       G_PARAM_STATIC_BLURB);
 173   g_object_class_install_property (object_class, PROP_FILE, param_spec);
 174
 175   signals[CHATROOM_ADDED] = g_signal_new ("chatroom-added",
 176       G_TYPE_FROM_CLASS (klass),
 177       G_SIGNAL_RUN_LAST,
 178       0, NULL, NULL,
 179       g_cclosure_marshal_VOID__OBJECT,
 180       G_TYPE_NONE,
 181       1, EMPATHY_TYPE_CHATROOM);
 182
 183   signals[CHATROOM_REMOVED] = g_signal_new ("chatroom-removed",
 184       G_TYPE_FROM_CLASS (klass),
 185       G_SIGNAL_RUN_LAST,
 186       0, NULL, NULL,
 187       g_cclosure_marshal_VOID__OBJECT,
 188       G_TYPE_NONE,
 189       1, EMPATHY_TYPE_CHATROOM);
 190
 191   g_type_class_add_private (object_class, sizeof (EmpathyChatroomManagerPriv));
 192 }
 193
 194 static void
 195 empathy_chatroom_manager_init (EmpathyChatroomManager *manager)
 196 {
 197   EmpathyChatroomManagerPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (manager,
 198       EMPATHY_TYPE_CHATROOM_MANAGER, EmpathyChatroomManagerPriv);
 199
 200   manager->priv = priv;
 201 }
 202
 203 static void
 204 chatroom_changed_cb (EmpathyChatroom *chatroom,
 205                      GParamSpec *spec,
 206                      EmpathyChatroomManager *self)
 207 {
 208   reset_save_timeout (self);
 209 }
 210
 211 static void
 212 chatroom_manager_finalize (GObject *object)
 213 {
 214   EmpathyChatroomManager *self = EMPATHY_CHATROOM_MANAGER (object);
 215   EmpathyChatroomManagerPriv *priv;
 216   GList *l;
 217
 218   priv = GET_PRIV (object);
 219
 220   if (priv->save_timer_id > 0)
 221     {
 222       /* have to save before destroy the object */
 223       g_source_remove (priv->save_timer_id);
 224       priv->save_timer_id = 0;
 225       chatroom_manager_file_save (self);
 226     }
 227
 228   for (l = priv->chatrooms; l != NULL; l = g_list_next (l))
 229     {
 230       EmpathyChatroom *chatroom = l->data;
 231
 232       g_signal_handlers_disconnect_by_func (chatroom, chatroom_changed_cb,
 233           self);
 234
 235       g_object_unref (chatroom);
 236     }
 237
 238   g_list_free (priv->chatrooms);
 239   g_free (priv->file);
 240
 241   (G_OBJECT_CLASS (empathy_chatroom_manager_parent_class)->finalize) (object);
 242 }
 243
 244 EmpathyChatroomManager *
 245 empathy_chatroom_manager_dup_singleton (const gchar *file)
 246 {
 247   return EMPATHY_CHATROOM_MANAGER (g_object_new (EMPATHY_TYPE_CHATROOM_MANAGER,
 248       "file", file, NULL));
 249 }
 250
 251 static gboolean
 252 save_timeout (EmpathyChatroomManager *self)
 253 {
 254   EmpathyChatroomManagerPriv *priv = GET_PRIV (self);
 255
 256   priv->save_timer_id = 0;
 257   chatroom_manager_file_save (self);
 258
 259   return FALSE;
 260 }
 261
 262 static void
 263 reset_save_timeout (EmpathyChatroomManager *self)
 264 {
 265   EmpathyChatroomManagerPriv *priv = GET_PRIV (self);
 266
 267   if (priv->save_timer_id > 0)
 268     {
 269       g_source_remove (priv->save_timer_id);
 270     }
 271
 272   priv->save_timer_id = g_timeout_add_seconds (SAVE_TIMER,
 273       (GSourceFunc) save_timeout, self);
 274 }
 275
 276 static void
 277 add_chatroom (EmpathyChatroomManager *self,
 278               EmpathyChatroom *chatroom)
 279 {
 280   EmpathyChatroomManagerPriv *priv = GET_PRIV (self);
 281
 282   priv->chatrooms = g_list_prepend (priv->chatrooms, g_object_ref (chatroom));
 283
 284   g_signal_connect (chatroom, "notify",
 285       G_CALLBACK (chatroom_changed_cb), self);
 286 }
 287
 288 gboolean
 289 empathy_chatroom_manager_add (EmpathyChatroomManager *manager,
 290                              EmpathyChatroom        *chatroom)
 291 {
 292   EmpathyChatroomManagerPriv *priv;
 293
 294   g_return_val_if_fail (EMPATHY_IS_CHATROOM_MANAGER (manager), FALSE);
 295   g_return_val_if_fail (EMPATHY_IS_CHATROOM (chatroom), FALSE);
 296
 297   priv = GET_PRIV (manager);
 298
 299   /* don't add more than once */
 300   if (!empathy_chatroom_manager_find (manager,
 301       empathy_chatroom_get_account (chatroom),
 302       empathy_chatroom_get_room (chatroom)))
 303     {
 304       gboolean favorite;
 305
 306       g_object_get (chatroom, "favorite", &favorite, NULL);
 307       add_chatroom (manager, chatroom);
 308
 309       if (favorite)
 310         reset_save_timeout (manager);
 311
 312       g_signal_emit (manager, signals[CHATROOM_ADDED], 0, chatroom);
 313       return TRUE;
 314     }
 315
 316   return FALSE;
 317 }
 318
 319 void
 320 empathy_chatroom_manager_remove (EmpathyChatroomManager *manager,
 321                                  EmpathyChatroom        *chatroom)
 322 {
 323   EmpathyChatroomManagerPriv *priv;
 324   GList *l;
 325
 326   g_return_if_fail (EMPATHY_IS_CHATROOM_MANAGER (manager));
 327   g_return_if_fail (EMPATHY_IS_CHATROOM (chatroom));
 328
 329   priv = GET_PRIV (manager);
 330
 331   for (l = priv->chatrooms; l; l = l->next)
 332     {
 333       EmpathyChatroom *this_chatroom;
 334
 335       this_chatroom = l->data;
 336
 337       if (this_chatroom == chatroom ||
 338           empathy_chatroom_equal (chatroom, this_chatroom))
 339         {
 340           gboolean favorite;
 341
 342           priv->chatrooms = g_list_delete_link (priv->chatrooms, l);
 343           g_object_get (chatroom, "favorite", &favorite, NULL);
 344           if (favorite)
 345             reset_save_timeout (manager);
 346
 347           g_signal_emit (manager, signals[CHATROOM_REMOVED], 0, this_chatroom);
 348           g_signal_handlers_disconnect_by_func (chatroom, chatroom_changed_cb,
 349               manager);
 350
 351           g_object_unref (this_chatroom);
 352           break;
 353         }
 354     }
 355 }
 356
 357 EmpathyChatroom *
 358 empathy_chatroom_manager_find (EmpathyChatroomManager *manager,
 359                                McAccount *account,
 360                                const gchar *room)
 361 {
 362         EmpathyChatroomManagerPriv *priv;
 363         GList                     *l;
 364
 365         g_return_val_if_fail (EMPATHY_IS_CHATROOM_MANAGER (manager), NULL);
 366         g_return_val_if_fail (MC_IS_ACCOUNT (account), NULL);
 367         g_return_val_if_fail (room != NULL, NULL);
 368
 369         priv = GET_PRIV (manager);
 370
 371         for (l = priv->chatrooms; l; l = l->next) {
 372                 EmpathyChatroom *chatroom;
 373                 McAccount      *this_account;
 374                 const gchar    *this_room;
 375
 376                 chatroom = l->data;
 377                 this_account = empathy_chatroom_get_account (chatroom);
 378                 this_room = empathy_chatroom_get_room (chatroom);
 379
 380                 if (this_account && this_room &&
 381                     empathy_account_equal (account, this_account) &&
 382                     strcmp (this_room, room) == 0) {
 383                         return chatroom;
 384                 }
 385         }
 386
 387         return NULL;
 388 }
 389
 390 GList *
 391 empathy_chatroom_manager_get_chatrooms (EmpathyChatroomManager *manager,
 392                                        McAccount             *account)
 393 {
 394         EmpathyChatroomManagerPriv *priv;
 395         GList                     *chatrooms, *l;
 396
 397         g_return_val_if_fail (EMPATHY_IS_CHATROOM_MANAGER (manager), NULL);
 398
 399         priv = GET_PRIV (manager);
 400
 401         if (!account) {
 402                 return g_list_copy (priv->chatrooms);
 403         }
 404
 405         chatrooms = NULL;
 406         for (l = priv->chatrooms; l; l = l->next) {
 407                 EmpathyChatroom *chatroom;
 408
 409                 chatroom = l->data;
 410
 411                 if (empathy_account_equal (account,
 412                                           empathy_chatroom_get_account (chatroom))) {
 413                         chatrooms = g_list_append (chatrooms, chatroom);
 414                 }
 415         }
 416
 417         return chatrooms;
 418 }
 419
 420 guint
 421 empathy_chatroom_manager_get_count (EmpathyChatroomManager *manager,
 422                                    McAccount             *account)
 423 {
 424         EmpathyChatroomManagerPriv *priv;
 425         GList                     *l;
 426         guint                      count = 0;
 427
 428         g_return_val_if_fail (EMPATHY_IS_CHATROOM_MANAGER (manager), 0);
 429
 430         priv = GET_PRIV (manager);
 431
 432         if (!account) {
 433                 return g_list_length (priv->chatrooms);
 434         }
 435
 436         for (l = priv->chatrooms; l; l = l->next) {
 437                 EmpathyChatroom *chatroom;
 438
 439                 chatroom = l->data;
 440
 441                 if (empathy_account_equal (account,
 442                                            empathy_chatroom_get_account (chatroom))) {
 443                         count++;
 444                 }
 445         }
 446
 447         return count;
 448 }
 449
 450 /*
 451  * API to save/load and parse the chatrooms file.
 452  */
 453
 454 static gboolean
 455 chatroom_manager_get_all (EmpathyChatroomManager *manager)
 456 {
 457         EmpathyChatroomManagerPriv *priv;
 458
 459         priv = GET_PRIV (manager);
 460
 461         /* read file in */
 462         if (g_file_test (priv->file, G_FILE_TEST_EXISTS) &&
 463             !chatroom_manager_file_parse (manager, priv->file)) {
 464                 return FALSE;
 465         }
 466
 467         return TRUE;
 468 }
 469
 470 static gboolean
 471 chatroom_manager_file_parse (EmpathyChatroomManager *manager,
 472                              const gchar           *filename)
 473 {
 474         EmpathyChatroomManagerPriv *priv;
 475         xmlParserCtxtPtr           ctxt;
 476         xmlDocPtr                  doc;
 477         xmlNodePtr                 chatrooms;
 478         xmlNodePtr                 node;
 479
 480         priv = GET_PRIV (manager);
 481
 482         DEBUG ("Attempting to parse file:'%s'...", filename);
 483
 484         ctxt = xmlNewParserCtxt ();
 485
 486         /* Parse and validate the file. */
 487         doc = xmlCtxtReadFile (ctxt, filename, NULL, 0);
 488         if (!doc) {
 489                 g_warning ("Failed to parse file:'%s'", filename);
 490                 xmlFreeParserCtxt (ctxt);
 491                 return FALSE;
 492         }
 493
 494         if (!empathy_xml_validate (doc, CHATROOMS_DTD_FILENAME)) {
 495                 g_warning ("Failed to validate file:'%s'", filename);
 496                 xmlFreeDoc(doc);
 497                 xmlFreeParserCtxt (ctxt);
 498                 return FALSE;
 499         }
 500
 501         /* The root node, chatrooms. */
 502         chatrooms = xmlDocGetRootElement (doc);
 503
 504         for (node = chatrooms->children; node; node = node->next) {
 505                 if (strcmp ((gchar *) node->name, "chatroom") == 0) {
 506                         chatroom_manager_parse_chatroom (manager, node);
 507                 }
 508         }
 509
 510         DEBUG ("Parsed %d chatrooms", g_list_length (priv->chatrooms));
 511
 512         xmlFreeDoc(doc);
 513         xmlFreeParserCtxt (ctxt);
 514
 515         return TRUE;
 516 }
 517
 518 static void
 519 chatroom_manager_parse_chatroom (EmpathyChatroomManager *manager,
 520                                  xmlNodePtr             node)
 521 {
 522         EmpathyChatroomManagerPriv *priv;
 523         EmpathyChatroom            *chatroom;
 524         McAccount                 *account;
 525         xmlNodePtr                 child;
 526         gchar                     *str;
 527         gchar                     *name;
 528         gchar                     *room;
 529         gchar                     *account_id;
 530         gboolean                   auto_connect;
 531
 532         priv = GET_PRIV (manager);
 533
 534         /* default values. */
 535         name = NULL;
 536         room = NULL;
 537         auto_connect = TRUE;
 538         account_id = NULL;
 539
 540         for (child = node->children; child; child = child->next) {
 541                 gchar *tag;
 542
 543                 if (xmlNodeIsText (child)) {
 544                         continue;
 545                 }
 546
 547                 tag = (gchar *) child->name;
 548                 str = (gchar *) xmlNodeGetContent (child);
 549
 550                 if (strcmp (tag, "name") == 0) {
 551                         name = g_strdup (str);
 552                 }
 553                 else if (strcmp (tag, "room") == 0) {
 554                         room = g_strdup (str);
 555                 }
 556                 else if (strcmp (tag, "auto_connect") == 0) {
 557                         if (strcmp (str, "yes") == 0) {
 558                                 auto_connect = TRUE;
 559                         } else {
 560                                 auto_connect = FALSE;
 561                         }
 562                 }
 563                 else if (strcmp (tag, "account") == 0) {
 564                         account_id = g_strdup (str);
 565                 }
 566
 567                 xmlFree (str);
 568         }
 569
 570         account = mc_account_lookup (account_id);
 571         if (!account) {
 572                 g_free (name);
 573                 g_free (room);
 574                 g_free (account_id);
 575                 return;
 576         }
 577
 578         chatroom = empathy_chatroom_new_full (account, room, name, auto_connect);
 579         g_object_set (chatroom, "favorite", TRUE, NULL);
 580         add_chatroom (manager, chatroom);
 581         g_signal_emit (manager, signals[CHATROOM_ADDED], 0, chatroom);
 582
 583         g_object_unref (account);
 584         g_free (name);
 585         g_free (room);
 586         g_free (account_id);
 587 }
 588
 589 static gboolean
 590 chatroom_manager_file_save (EmpathyChatroomManager *manager)
 591 {
 592         EmpathyChatroomManagerPriv *priv;
 593         xmlDocPtr                  doc;
 594         xmlNodePtr                 root;
 595         GList                     *l;
 596
 597         priv = GET_PRIV (manager);
 598
 599         doc = xmlNewDoc ("1.0");
 600         root = xmlNewNode (NULL, "chatrooms");
 601         xmlDocSetRootElement (doc, root);
 602
 603         for (l = priv->chatrooms; l; l = l->next) {
 604                 EmpathyChatroom *chatroom;
 605                 xmlNodePtr       node;
 606                 const gchar     *account_id;
 607                 gboolean         favorite;
 608
 609                 chatroom = l->data;
 610
 611                 g_object_get (chatroom, "favorite", &favorite, NULL);
 612                 if (!favorite) {
 613                         continue;
 614                 }
 615
 616                 account_id = mc_account_get_unique_name (empathy_chatroom_get_account (chatroom));
 617
 618                 node = xmlNewChild (root, NULL, "chatroom", NULL);
 619                 xmlNewTextChild (node, NULL, "name", empathy_chatroom_get_name (chatroom));
 620                 xmlNewTextChild (node, NULL, "room", empathy_chatroom_get_room (chatroom));
 621                 xmlNewTextChild (node, NULL, "account", account_id);
 622                 xmlNewTextChild (node, NULL, "auto_connect",
 623                         empathy_chatroom_get_auto_connect (chatroom) ? "yes" : "no");
 624         }
 625
 626         /* Make sure the XML is indented properly */
 627         xmlIndentTreeOutput = 1;
 628
 629         DEBUG ("Saving file:'%s'", priv->file);
 630         xmlSaveFormatFileEnc (priv->file, doc, "utf-8", 1);
 631         xmlFreeDoc (doc);
 632
 633         xmlCleanupParser ();
 634         xmlMemoryDump ();
 635
 636         return TRUE;
 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 }