libempathy/empathy-utils.c

   1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
   2 /*
   3  * Copyright (C) 2003-2007 Imendio AB
   4  * Copyright (C) 2007-2008 Collabora Ltd.
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License as
   8  * published by the Free Software Foundation; either version 2 of the
   9  * License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public
  17  * License along with this program; if not, write to the
  18  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  19  * Boston, MA 02111-1307, USA.
  20  *
  21  * Authors: Richard Hult <richard@imendio.com>
  22  *          Martyn Russell <martyn@imendio.com>
  23  *          Xavier Claessens <xclaesse@gmail.com>
  24  */
  25
  26 #include "config.h"
  27
  28 #include <string.h>
  29 #include <time.h>
  30 #include <sys/types.h>
  31 #include <regex.h>
  32
  33 #include <glib/gi18n.h>
  34
  35 #include <libxml/uri.h>
  36 #include <telepathy-glib/connection.h>
  37 #include <telepathy-glib/channel.h>
  38 #include <telepathy-glib/dbus.h>
  39
  40 #include "empathy-debug.h"
  41 #include "empathy-utils.h"
  42 #include "empathy-contact-factory.h"
  43 #include "empathy-contact-manager.h"
  44 #include "empathy-tp-group.h"
  45
  46 #define DEBUG_DOMAIN "Utils"
  47
  48 static void regex_init (void);
  49
  50 gchar *
  51 empathy_substring (const gchar *str,
  52                   gint         start,
  53                   gint         end)
  54 {
  55         return g_strndup (str + start, end - start);
  56 }
  57
  58 /*
  59  * Regular Expression code to match urls.
  60  */
  61 #define USERCHARS "-A-Za-z0-9"
  62 #define PASSCHARS "-A-Za-z0-9,?;.:/!%$^*&~\"#'"
  63 #define HOSTCHARS "-A-Za-z0-9_"
  64 #define PATHCHARS "-A-Za-z0-9_$.+!*(),;:@&=?/~#%"
  65 #define SCHEME    "(news:|telnet:|nntp:|file:/|https?:|ftps?:|webcal:)"
  66 #define USER      "[" USERCHARS "]+(:["PASSCHARS "]+)?"
  67 #define URLPATH   "/[" PATHCHARS "]*[^]'.}>) \t\r\n,\\\"]"
  68
  69 static regex_t dingus[EMPATHY_REGEX_ALL];
  70
  71 static void
  72 regex_init (void)
  73 {
  74         static gboolean  inited = FALSE;
  75         const gchar     *expression;
  76         gint             i;
  77
  78         if (inited) {
  79                 return;
  80         }
  81
  82         for (i = 0; i < EMPATHY_REGEX_ALL; i++) {
  83                 switch (i) {
  84                 case EMPATHY_REGEX_AS_IS:
  85                         expression =
  86                                 SCHEME "//(" USER "@)?[" HOSTCHARS ".]+"
  87                                 "(:[0-9]+)?(" URLPATH ")?";
  88                         break;
  89                 case EMPATHY_REGEX_BROWSER:
  90                         expression =
  91                                 "(www|ftp)[" HOSTCHARS "]*\\.[" HOSTCHARS ".]+"
  92                                 "(:[0-9]+)?(" URLPATH ")?";
  93                         break;
  94                 case EMPATHY_REGEX_EMAIL:
  95                         expression =
  96                                 "(mailto:)?[a-z0-9][a-z0-9.-]*@[a-z0-9]"
  97                                 "[a-z0-9-]*(\\.[a-z0-9][a-z0-9-]*)+";
  98                         break;
  99                 case EMPATHY_REGEX_OTHER:
 100                         expression =
 101                                 "news:[-A-Z\\^_a-z{|}~!\"#$%&'()*+,./0-9;:=?`]+"
 102                                 "@[" HOSTCHARS ".]+(:[0-9]+)?";
 103                         break;
 104                 default:
 105                         /* Silence the compiler. */
 106                         expression = NULL;
 107                         continue;
 108                 }
 109
 110                 memset (&dingus[i], 0, sizeof (regex_t));
 111                 regcomp (&dingus[i], expression, REG_EXTENDED | REG_ICASE);
 112         }
 113
 114         inited = TRUE;
 115 }
 116
 117 gint
 118 empathy_regex_match (EmpathyRegExType  type,
 119                     const gchar     *msg,
 120                     GArray          *start,
 121                     GArray          *end)
 122 {
 123         regmatch_t matches[1];
 124         gint       ret = 0;
 125         gint       num_matches = 0;
 126         gint       offset = 0;
 127         gint       i;
 128
 129         g_return_val_if_fail (type >= 0 || type <= EMPATHY_REGEX_ALL, 0);
 130
 131         regex_init ();
 132
 133         while (!ret && type != EMPATHY_REGEX_ALL) {
 134                 ret = regexec (&dingus[type], msg + offset, 1, matches, 0);
 135                 if (ret == 0) {
 136                         gint s;
 137
 138                         num_matches++;
 139
 140                         s = matches[0].rm_so + offset;
 141                         offset = matches[0].rm_eo + offset;
 142
 143                         g_array_append_val (start, s);
 144                         g_array_append_val (end, offset);
 145                 }
 146         }
 147
 148         if (type != EMPATHY_REGEX_ALL) {
 149                 empathy_debug (DEBUG_DOMAIN,
 150                               "Found %d matches for regex type:%d",
 151                               num_matches, type);
 152                 return num_matches;
 153         }
 154
 155         /* If EMPATHY_REGEX_ALL then we run ALL regex's on the string. */
 156         for (i = 0; i < EMPATHY_REGEX_ALL; i++, ret = 0) {
 157                 while (!ret) {
 158                         ret = regexec (&dingus[i], msg + offset, 1, matches, 0);
 159                         if (ret == 0) {
 160                                 gint s;
 161
 162                                 num_matches++;
 163
 164                                 s = matches[0].rm_so + offset;
 165                                 offset = matches[0].rm_eo + offset;
 166
 167                                 g_array_append_val (start, s);
 168                                 g_array_append_val (end, offset);
 169                         }
 170                 }
 171         }
 172
 173         empathy_debug (DEBUG_DOMAIN,
 174                       "Found %d matches for ALL regex types",
 175                       num_matches);
 176
 177         return num_matches;
 178 }
 179
 180 gint
 181 empathy_strcasecmp (const gchar *s1,
 182                    const gchar *s2)
 183 {
 184         return empathy_strncasecmp (s1, s2, -1);
 185 }
 186
 187 gint
 188 empathy_strncasecmp (const gchar *s1,
 189                     const gchar *s2,
 190                     gsize        n)
 191 {
 192         gchar *u1, *u2;
 193         gint   ret_val;
 194
 195         u1 = g_utf8_casefold (s1, n);
 196         u2 = g_utf8_casefold (s2, n);
 197
 198         ret_val = g_utf8_collate (u1, u2);
 199         g_free (u1);
 200         g_free (u2);
 201
 202         return ret_val;
 203 }
 204
 205 gboolean
 206 empathy_xml_validate (xmlDoc      *doc,
 207                      const gchar *dtd_filename)
 208 {
 209         gchar        *path, *escaped;
 210         xmlValidCtxt  cvp;
 211         xmlDtd       *dtd;
 212         gboolean      ret;
 213
 214         path = g_build_filename (g_getenv ("EMPATHY_SRCDIR"), "libempathy",
 215                                  dtd_filename, NULL);
 216         if (!g_file_test (path, G_FILE_TEST_EXISTS)) {
 217                 g_free (path);
 218                 path = g_build_filename (DATADIR, "empathy", dtd_filename, NULL);
 219         }
 220         empathy_debug (DEBUG_DOMAIN, "Loading dtd file %s", path);
 221
 222         /* The list of valid chars is taken from libxml. */
 223         escaped = xmlURIEscapeStr (path, ":@&=+$,/?;");
 224         g_free (path);
 225
 226         memset (&cvp, 0, sizeof (cvp));
 227         dtd = xmlParseDTD (NULL, escaped);
 228         ret = xmlValidateDtd (&cvp, doc, dtd);
 229
 230         xmlFree (escaped);
 231         xmlFreeDtd (dtd);
 232
 233         return ret;
 234 }
 235
 236 xmlNodePtr
 237 empathy_xml_node_get_child (xmlNodePtr   node,
 238                            const gchar *child_name)
 239 {
 240         xmlNodePtr l;
 241
 242         g_return_val_if_fail (node != NULL, NULL);
 243         g_return_val_if_fail (child_name != NULL, NULL);
 244
 245         for (l = node->children; l; l = l->next) {
 246                 if (l->name && strcmp (l->name, child_name) == 0) {
 247                         return l;
 248                 }
 249         }
 250
 251         return NULL;
 252 }
 253
 254 xmlChar *
 255 empathy_xml_node_get_child_content (xmlNodePtr   node,
 256                                    const gchar *child_name)
 257 {
 258         xmlNodePtr l;
 259
 260         g_return_val_if_fail (node != NULL, NULL);
 261         g_return_val_if_fail (child_name != NULL, NULL);
 262
 263         l = empathy_xml_node_get_child (node, child_name);
 264         if (l) {
 265                 return xmlNodeGetContent (l);
 266         }
 267
 268         return NULL;
 269 }
 270
 271 xmlNodePtr
 272 empathy_xml_node_find_child_prop_value (xmlNodePtr   node,
 273                                        const gchar *prop_name,
 274                                        const gchar *prop_value)
 275 {
 276         xmlNodePtr l;
 277         xmlNodePtr found = NULL;
 278
 279         g_return_val_if_fail (node != NULL, NULL);
 280         g_return_val_if_fail (prop_name != NULL, NULL);
 281         g_return_val_if_fail (prop_value != NULL, NULL);
 282
 283         for (l = node->children; l && !found; l = l->next) {
 284                 xmlChar *prop;
 285
 286                 if (!xmlHasProp (l, prop_name)) {
 287                         continue;
 288                 }
 289
 290                 prop = xmlGetProp (l, prop_name);
 291                 if (prop && strcmp (prop, prop_value) == 0) {
 292                         found = l;
 293                 }
 294
 295                 xmlFree (prop);
 296         }
 297
 298         return found;
 299 }
 300
 301 guint
 302 empathy_account_hash (gconstpointer key)
 303 {
 304         g_return_val_if_fail (MC_IS_ACCOUNT (key), 0);
 305
 306         return g_str_hash (mc_account_get_unique_name (MC_ACCOUNT (key)));
 307 }
 308
 309 gboolean
 310 empathy_account_equal (gconstpointer a,
 311                        gconstpointer b)
 312 {
 313         const gchar *name_a;
 314         const gchar *name_b;
 315
 316         g_return_val_if_fail (MC_IS_ACCOUNT (a), FALSE);
 317         g_return_val_if_fail (MC_IS_ACCOUNT (b), FALSE);
 318
 319         name_a = mc_account_get_unique_name (MC_ACCOUNT (a));
 320         name_b = mc_account_get_unique_name (MC_ACCOUNT (b));
 321
 322         return g_str_equal (name_a, name_b);
 323 }
 324
 325 MissionControl *
 326 empathy_mission_control_new (void)
 327 {
 328         static MissionControl *mc = NULL;
 329
 330         if (!mc) {
 331                 mc = mission_control_new (tp_get_bus ());
 332                 g_object_add_weak_pointer (G_OBJECT (mc), (gpointer) &mc);
 333         } else {
 334                 g_object_ref (mc);
 335         }
 336
 337         return mc;
 338 }
 339
 340 void
 341 empathy_call_with_contact (EmpathyContact *contact)
 342 {
 343 #ifdef HAVE_VOIP
 344         MissionControl        *mc;
 345         McAccount             *account;
 346         TpConnection          *connection;
 347         gchar                 *object_path;
 348         TpChannel             *channel;
 349         EmpathyContactFactory *factory;
 350         EmpathyTpGroup        *group;
 351         EmpathyContact        *self_contact;
 352         GError                *error = NULL;
 353
 354         g_return_if_fail (EMPATHY_IS_CONTACT (contact));
 355
 356         mc = empathy_mission_control_new ();
 357         account = empathy_contact_get_account (contact);
 358         connection = mission_control_get_tpconnection (mc, account, NULL);
 359         tp_connection_run_until_ready (connection, FALSE, NULL, NULL);
 360         g_object_unref (mc);
 361
 362         /* We abuse of suppress_handler, TRUE means OUTGOING. The channel
 363          * will be catched in EmpathyFilter */
 364         if (!tp_cli_connection_run_request_channel (connection, -1,
 365                                                     TP_IFACE_CHANNEL_TYPE_STREAMED_MEDIA,
 366                                                     TP_HANDLE_TYPE_NONE,
 367                                                     0,
 368                                                     TRUE,
 369                                                     &object_path,
 370                                                     &error,
 371                                                     NULL)) {
 372                 empathy_debug (DEBUG_DOMAIN,
 373                               "Couldn't request channel: %s",
 374                               error ? error->message : "No error given");
 375                 g_clear_error (&error);
 376                 g_object_unref (connection);
 377                 return;
 378         }
 379
 380         channel = tp_channel_new (connection,
 381                                   object_path, TP_IFACE_CHANNEL_TYPE_STREAMED_MEDIA,
 382                                   TP_HANDLE_TYPE_NONE, 0, NULL);
 383
 384         group = empathy_tp_group_new (channel);
 385         empathy_run_until_ready (group);
 386
 387         factory = empathy_contact_factory_new ();
 388         self_contact = empathy_contact_factory_get_user (factory, account);
 389         empathy_contact_run_until_ready (self_contact,
 390                                          EMPATHY_CONTACT_READY_HANDLE,
 391                                          NULL);
 392
 393         empathy_tp_group_add_member (group, contact, "");
 394         empathy_tp_group_add_member (group, self_contact, "");
 395
 396         g_object_unref (factory);
 397         g_object_unref (self_contact);
 398         g_object_unref (group);
 399         g_object_unref (connection);
 400         g_object_unref (channel);
 401         g_free (object_path);
 402 #endif
 403 }
 404
 405 void
 406 empathy_call_with_contact_id (McAccount *account, const gchar *contact_id)
 407 {
 408 #ifdef HAVE_VOIP
 409         EmpathyContactFactory *factory;
 410         EmpathyContact        *contact;
 411
 412         factory = empathy_contact_factory_new ();
 413         contact = empathy_contact_factory_get_from_id (factory, account, contact_id);
 414         empathy_contact_run_until_ready (contact, EMPATHY_CONTACT_READY_HANDLE, NULL);
 415
 416         empathy_call_with_contact (contact);
 417
 418         g_object_unref (contact);
 419         g_object_unref (factory);
 420 #endif
 421 }
 422
 423 void
 424 empathy_chat_with_contact (EmpathyContact  *contact)
 425 {
 426         MissionControl        *mc;
 427         McAccount             *account;
 428         TpConnection          *connection;
 429
 430         g_return_if_fail (EMPATHY_IS_CONTACT (contact));
 431
 432         mc = empathy_mission_control_new ();
 433         account = empathy_contact_get_account (contact);
 434         connection = mission_control_get_tpconnection (mc, account, NULL);
 435         tp_connection_run_until_ready (connection, FALSE, NULL, NULL);
 436         g_object_unref (mc);
 437
 438         /* We abuse of suppress_handler, TRUE means OUTGOING. The channel
 439          * will be catched in EmpathyFilter */
 440         tp_cli_connection_call_request_channel (connection, -1,
 441                                                 TP_IFACE_CHANNEL_TYPE_TEXT,
 442                                                 TP_HANDLE_TYPE_CONTACT,
 443                                                 empathy_contact_get_handle (contact),
 444                                                 TRUE,
 445                                                 NULL, NULL, NULL, NULL);
 446         g_object_unref (connection);
 447 }
 448
 449 void
 450 empathy_chat_with_contact_id (McAccount *account, const gchar *contact_id)
 451 {
 452         EmpathyContactFactory *factory;
 453         EmpathyContact        *contact;
 454
 455         factory = empathy_contact_factory_new ();
 456         contact = empathy_contact_factory_get_from_id (factory, account, contact_id);
 457         empathy_contact_run_until_ready (contact, EMPATHY_CONTACT_READY_HANDLE, NULL);
 458
 459         empathy_chat_with_contact (contact);
 460
 461         g_object_unref (contact);
 462         g_object_unref (factory);
 463 }
 464
 465 const gchar *
 466 empathy_presence_get_default_message (McPresence presence)
 467 {
 468         switch (presence) {
 469         case MC_PRESENCE_AVAILABLE:
 470                 return _("Available");
 471         case MC_PRESENCE_DO_NOT_DISTURB:
 472                 return _("Busy");
 473         case MC_PRESENCE_AWAY:
 474         case MC_PRESENCE_EXTENDED_AWAY:
 475                 return _("Away");
 476         case MC_PRESENCE_HIDDEN:
 477                 return _("Hidden");
 478         case MC_PRESENCE_OFFLINE:
 479         case MC_PRESENCE_UNSET:
 480                 return _("Offline");
 481         default:
 482                 g_assert_not_reached ();
 483         }
 484
 485         return NULL;
 486 }
 487
 488 const gchar *
 489 empathy_presence_to_str (McPresence presence)
 490 {
 491         switch (presence) {
 492         case MC_PRESENCE_AVAILABLE:
 493                 return "available";
 494         case MC_PRESENCE_DO_NOT_DISTURB:
 495                 return "busy";
 496         case MC_PRESENCE_AWAY:
 497                 return "away";
 498         case MC_PRESENCE_EXTENDED_AWAY:
 499                 return "ext_away";
 500         case MC_PRESENCE_HIDDEN:
 501                 return "hidden";
 502         case MC_PRESENCE_OFFLINE:
 503                 return "offline";
 504         case MC_PRESENCE_UNSET:
 505                 return "unset";
 506         default:
 507                 g_assert_not_reached ();
 508         }
 509
 510         return NULL;
 511 }
 512
 513 McPresence
 514 empathy_presence_from_str (const gchar *str)
 515 {
 516         if (strcmp (str, "available") == 0) {
 517                 return MC_PRESENCE_AVAILABLE;
 518         } else if ((strcmp (str, "dnd") == 0) || (strcmp (str, "busy") == 0)) {
 519                 return MC_PRESENCE_DO_NOT_DISTURB;
 520         } else if ((strcmp (str, "away") == 0) || (strcmp (str, "brb") == 0)) {
 521                 return MC_PRESENCE_AWAY;
 522         } else if ((strcmp (str, "xa") == 0) || (strcmp (str, "ext_away") == 0)) {
 523                 return MC_PRESENCE_EXTENDED_AWAY;
 524         } else if (strcmp (str, "hidden") == 0) {
 525                 return MC_PRESENCE_HIDDEN;
 526         } else if (strcmp (str, "offline") == 0) {
 527                 return MC_PRESENCE_OFFLINE;
 528         } else if (strcmp (str, "unset") == 0) {
 529                 return MC_PRESENCE_UNSET;
 530         }
 531
 532         return MC_PRESENCE_AVAILABLE;
 533 }
 534
 535 gchar *
 536 empathy_file_lookup (const gchar *filename, const gchar *subdir)
 537 {
 538         gchar *path;
 539
 540         if (!subdir) {
 541                 subdir = ".";
 542         }
 543
 544         path = g_build_filename (g_getenv ("EMPATHY_SRCDIR"), subdir, filename, NULL);
 545         if (!g_file_test (path, G_FILE_TEST_EXISTS)) {
 546                 g_free (path);
 547                 path = g_build_filename (DATADIR, "empathy", filename, NULL);
 548         }
 549
 550         return path;
 551 }
 552
 553 typedef struct {
 554         EmpathyRunUntilReadyFunc  func;
 555         gpointer                  user_data;
 556         GObject                  *object;
 557         GMainLoop                *loop;
 558 } RunUntilReadyData;
 559
 560 static void
 561 run_until_ready_cb (RunUntilReadyData *data)
 562 {
 563         if (!data->func || data->func (data->object, data->user_data)) {
 564                 empathy_debug (DEBUG_DOMAIN, "Object %p is ready", data->object);
 565                 g_main_loop_quit (data->loop);
 566         }
 567 }
 568
 569 static gboolean
 570 object_is_ready (GObject *object,
 571                  gpointer user_data)
 572 {
 573         gboolean ready;
 574
 575         g_object_get (object, "ready", &ready, NULL);
 576
 577         return ready;
 578 }
 579
 580 void
 581 empathy_run_until_ready_full (gpointer                  object,
 582                               const gchar              *signal,
 583                               EmpathyRunUntilReadyFunc  func,
 584                               gpointer                  user_data,
 585                               GMainLoop               **loop)
 586 {
 587         RunUntilReadyData  data;
 588         gulong             signal_id;
 589
 590         g_return_if_fail (G_IS_OBJECT (object));
 591         g_return_if_fail (signal != NULL);
 592
 593         if (func && func (object, user_data)) {
 594                 return;
 595         }
 596
 597         empathy_debug (DEBUG_DOMAIN, "Starting run until ready for object %p",
 598                        object);
 599
 600         data.func = func;
 601         data.user_data = user_data;
 602         data.object = object;
 603         data.loop = g_main_loop_new (NULL, FALSE);
 604
 605         signal_id = g_signal_connect_swapped (object, signal,
 606                                               G_CALLBACK (run_until_ready_cb),
 607                                               &data);
 608         if (loop != NULL) {
 609                 *loop = data.loop;
 610         }
 611
 612         g_main_loop_run (data.loop);
 613
 614         if (loop != NULL) {
 615                 *loop = NULL;
 616         }
 617
 618         g_signal_handler_disconnect (object, signal_id);
 619         g_main_loop_unref (data.loop);
 620 }
 621
 622 void
 623 empathy_run_until_ready (gpointer object)
 624 {
 625         empathy_run_until_ready_full (object, "notify::ready", object_is_ready,
 626                                       NULL, NULL);
 627 }
 628
 629 McAccount *
 630 empathy_channel_get_account (TpChannel *channel)
 631 {
 632         TpConnection   *connection;
 633         McAccount      *account;
 634         MissionControl *mc;
 635
 636         g_object_get (channel, "connection", &connection, NULL);
 637         mc = empathy_mission_control_new ();
 638         account = mission_control_get_account_for_tpconnection (mc, connection, NULL);
 639         g_object_unref (connection);
 640         g_object_unref (mc);
 641
 642         return account;
 643 }
 644
 645 typedef void (*AccountStatusChangedFunc) (MissionControl           *mc,
 646                                           TpConnectionStatus        status,
 647                                           McPresence                presence,
 648                                           TpConnectionStatusReason  reason,
 649                                           const gchar              *unique_name,
 650                                           gpointer                  user_data);
 651
 652 typedef struct {
 653         AccountStatusChangedFunc handler;
 654         gpointer                 user_data;
 655         GClosureNotify           free_func;
 656         MissionControl          *mc;
 657 } AccountStatusChangedData;
 658
 659 typedef struct {
 660         TpConnectionStatus        status;
 661         McPresence                presence;
 662         TpConnectionStatusReason  reason;
 663         gchar                    *unique_name;
 664         AccountStatusChangedData *data;
 665 } InvocationData;
 666
 667 static void
 668 account_status_changed_data_free (gpointer ptr,
 669                                   GClosure *closure)
 670 {
 671         AccountStatusChangedData *data = ptr;
 672
 673         if (data->free_func) {
 674                 data->free_func (data->user_data, closure);
 675         }
 676         g_object_unref (data->mc);
 677         g_slice_free (AccountStatusChangedData, data);
 678 }
 679
 680 static gboolean
 681 account_status_changed_invoke_callback (gpointer data)
 682 {
 683         InvocationData *invocation_data = data;
 684
 685         invocation_data->data->handler (invocation_data->data->mc,
 686                                         invocation_data->status,
 687                                         invocation_data->presence,
 688                                         invocation_data->reason,
 689                                         invocation_data->unique_name,
 690                                         invocation_data->data->user_data);
 691
 692         g_free (invocation_data->unique_name);
 693         g_slice_free (InvocationData, invocation_data);
 694
 695         return FALSE;
 696 }
 697
 698 static void
 699 account_status_changed_cb (MissionControl           *mc,
 700                            TpConnectionStatus        status,
 701                            McPresence                presence,
 702                            TpConnectionStatusReason  reason,
 703                            const gchar              *unique_name,
 704                            AccountStatusChangedData *data)
 705 {
 706         InvocationData *invocation_data;
 707
 708         invocation_data = g_slice_new (InvocationData);
 709         invocation_data->status = status;
 710         invocation_data->presence = presence;
 711         invocation_data->reason = reason;
 712         invocation_data->unique_name = g_strdup (unique_name);
 713         invocation_data->data = data;
 714
 715         g_idle_add_full (G_PRIORITY_HIGH,
 716                          account_status_changed_invoke_callback,
 717                          invocation_data, NULL);
 718 }
 719
 720 gpointer
 721 empathy_connect_to_account_status_changed (MissionControl *mc,
 722                                            GCallback       handler,
 723                                            gpointer        user_data,
 724                                            GClosureNotify  free_func)
 725 {
 726         AccountStatusChangedData *data;
 727
 728         g_return_val_if_fail (IS_MISSIONCONTROL (mc), NULL);
 729         g_return_val_if_fail (handler != NULL, NULL);
 730
 731         data = g_slice_new (AccountStatusChangedData);
 732         data->handler = (AccountStatusChangedFunc) handler;
 733         data->user_data = user_data;
 734         data->free_func = free_func;
 735         data->mc = g_object_ref (mc);
 736
 737         dbus_g_proxy_connect_signal (DBUS_G_PROXY (mc), "AccountStatusChanged",
 738                                      G_CALLBACK (account_status_changed_cb),
 739                                      data, account_status_changed_data_free);
 740
 741         return data;
 742 }
 743
 744 void
 745 empathy_disconnect_account_status_changed (gpointer token)
 746 {
 747         AccountStatusChangedData *data = token;
 748
 749         dbus_g_proxy_disconnect_signal (DBUS_G_PROXY (data->mc),
 750                                         "AccountStatusChanged",
 751                                         G_CALLBACK (account_status_changed_cb),
 752                                         data);
 753 }
 754