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 APTCHARS  "-A-Za-z0-9,-."
  62 #define USERCHARS "-A-Za-z0-9"
  63 #define PASSCHARS "-A-Za-z0-9,?;.:/!%$^*&~\"#'"
  64 #define HOSTCHARS "-A-Za-z0-9_"
  65 #define PATHCHARS "-A-Za-z0-9_$.+!*(),;:@&=?/~#%"
  66 #define SCHEME    "(news:|telnet:|nntp:|file:/|https?:|ftps?:|webcal:)"
  67 #define USER      "[" USERCHARS "]+(:["PASSCHARS "]+)?"
  68 #define URLPATH   "/[" PATHCHARS "]*[^]'.}>) \t\r\n,\\\"]"
  69
  70 static regex_t dingus[EMPATHY_REGEX_ALL];
  71
  72 static void
  73 regex_init (void)
  74 {
  75         static gboolean  inited = FALSE;
  76         const gchar     *expression;
  77         gint             i;
  78
  79         if (inited) {
  80                 return;
  81         }
  82
  83         for (i = 0; i < EMPATHY_REGEX_ALL; i++) {
  84                 switch (i) {
  85                 case EMPATHY_REGEX_AS_IS:
  86                         expression =
  87                                 SCHEME "//(" USER "@)?[" HOSTCHARS ".]+"
  88                                 "(:[0-9]+)?(" URLPATH ")?";
  89                         break;
  90                 case EMPATHY_REGEX_BROWSER:
  91                         expression =
  92                                 "(www|ftp)[" HOSTCHARS "]*\\.[" HOSTCHARS ".]+"
  93                                 "(:[0-9]+)?(" URLPATH ")?";
  94                         break;
  95                 case EMPATHY_REGEX_APT:
  96                         expression =
  97                                 "apt://[" APTCHARS "]*";
  98                         break;
  99                 case EMPATHY_REGEX_EMAIL:
 100                         expression =
 101                                 "(mailto:)?[a-z0-9][a-z0-9.-]*@[a-z0-9]"
 102                                 "[a-z0-9-]*(\\.[a-z0-9][a-z0-9-]*)+";
 103                         break;
 104                 case EMPATHY_REGEX_OTHER:
 105                         expression =
 106                                 "news:[-A-Z\\^_a-z{|}~!\"#$%&'()*+,./0-9;:=?`]+"
 107                                 "@[" HOSTCHARS ".]+(:[0-9]+)?";
 108                         break;
 109                 default:
 110                         /* Silence the compiler. */
 111                         expression = NULL;
 112                         continue;
 113                 }
 114
 115                 memset (&dingus[i], 0, sizeof (regex_t));
 116                 regcomp (&dingus[i], expression, REG_EXTENDED | REG_ICASE);
 117         }
 118
 119         inited = TRUE;
 120 }
 121
 122 gint
 123 empathy_regex_match (EmpathyRegExType  type,
 124                     const gchar     *msg,
 125                     GArray          *start,
 126                     GArray          *end)
 127 {
 128         regmatch_t matches[1];
 129         gint       ret = 0;
 130         gint       num_matches = 0;
 131         gint       offset = 0;
 132         gint       i;
 133
 134         g_return_val_if_fail (type >= 0 || type <= EMPATHY_REGEX_ALL, 0);
 135
 136         regex_init ();
 137
 138         while (!ret && type != EMPATHY_REGEX_ALL) {
 139                 ret = regexec (&dingus[type], msg + offset, 1, matches, 0);
 140                 if (ret == 0) {
 141                         gint s;
 142
 143                         num_matches++;
 144
 145                         s = matches[0].rm_so + offset;
 146                         offset = matches[0].rm_eo + offset;
 147
 148                         g_array_append_val (start, s);
 149                         g_array_append_val (end, offset);
 150                 }
 151         }
 152
 153         if (type != EMPATHY_REGEX_ALL) {
 154                 empathy_debug (DEBUG_DOMAIN,
 155                               "Found %d matches for regex type:%d",
 156                               num_matches, type);
 157                 return num_matches;
 158         }
 159
 160         /* If EMPATHY_REGEX_ALL then we run ALL regex's on the string. */
 161         for (i = 0; i < EMPATHY_REGEX_ALL; i++, ret = 0) {
 162                 while (!ret) {
 163                         ret = regexec (&dingus[i], msg + offset, 1, matches, 0);
 164                         if (ret == 0) {
 165                                 gint s;
 166
 167                                 num_matches++;
 168
 169                                 s = matches[0].rm_so + offset;
 170                                 offset = matches[0].rm_eo + offset;
 171
 172                                 g_array_append_val (start, s);
 173                                 g_array_append_val (end, offset);
 174                         }
 175                 }
 176         }
 177
 178         empathy_debug (DEBUG_DOMAIN,
 179                       "Found %d matches for ALL regex types",
 180                       num_matches);
 181
 182         return num_matches;
 183 }
 184
 185 gint
 186 empathy_strcasecmp (const gchar *s1,
 187                    const gchar *s2)
 188 {
 189         return empathy_strncasecmp (s1, s2, -1);
 190 }
 191
 192 gint
 193 empathy_strncasecmp (const gchar *s1,
 194                     const gchar *s2,
 195                     gsize        n)
 196 {
 197         gchar *u1, *u2;
 198         gint   ret_val;
 199
 200         u1 = g_utf8_casefold (s1, n);
 201         u2 = g_utf8_casefold (s2, n);
 202
 203         ret_val = g_utf8_collate (u1, u2);
 204         g_free (u1);
 205         g_free (u2);
 206
 207         return ret_val;
 208 }
 209
 210 gboolean
 211 empathy_xml_validate (xmlDoc      *doc,
 212                      const gchar *dtd_filename)
 213 {
 214         gchar        *path, *escaped;
 215         xmlValidCtxt  cvp;
 216         xmlDtd       *dtd;
 217         gboolean      ret;
 218
 219         path = g_build_filename (g_getenv ("EMPATHY_SRCDIR"), "libempathy",
 220                                  dtd_filename, NULL);
 221         if (!g_file_test (path, G_FILE_TEST_EXISTS)) {
 222                 g_free (path);
 223                 path = g_build_filename (DATADIR, "empathy", dtd_filename, NULL);
 224         }
 225         empathy_debug (DEBUG_DOMAIN, "Loading dtd file %s", path);
 226
 227         /* The list of valid chars is taken from libxml. */
 228         escaped = xmlURIEscapeStr (path, ":@&=+$,/?;");
 229         g_free (path);
 230
 231         memset (&cvp, 0, sizeof (cvp));
 232         dtd = xmlParseDTD (NULL, escaped);
 233         ret = xmlValidateDtd (&cvp, doc, dtd);
 234
 235         xmlFree (escaped);
 236         xmlFreeDtd (dtd);
 237
 238         return ret;
 239 }
 240
 241 xmlNodePtr
 242 empathy_xml_node_get_child (xmlNodePtr   node,
 243                            const gchar *child_name)
 244 {
 245         xmlNodePtr l;
 246
 247         g_return_val_if_fail (node != NULL, NULL);
 248         g_return_val_if_fail (child_name != NULL, NULL);
 249
 250         for (l = node->children; l; l = l->next) {
 251                 if (l->name && strcmp (l->name, child_name) == 0) {
 252                         return l;
 253                 }
 254         }
 255
 256         return NULL;
 257 }
 258
 259 xmlChar *
 260 empathy_xml_node_get_child_content (xmlNodePtr   node,
 261                                    const gchar *child_name)
 262 {
 263         xmlNodePtr l;
 264
 265         g_return_val_if_fail (node != NULL, NULL);
 266         g_return_val_if_fail (child_name != NULL, NULL);
 267
 268         l = empathy_xml_node_get_child (node, child_name);
 269         if (l) {
 270                 return xmlNodeGetContent (l);
 271         }
 272
 273         return NULL;
 274 }
 275
 276 xmlNodePtr
 277 empathy_xml_node_find_child_prop_value (xmlNodePtr   node,
 278                                        const gchar *prop_name,
 279                                        const gchar *prop_value)
 280 {
 281         xmlNodePtr l;
 282         xmlNodePtr found = NULL;
 283
 284         g_return_val_if_fail (node != NULL, NULL);
 285         g_return_val_if_fail (prop_name != NULL, NULL);
 286         g_return_val_if_fail (prop_value != NULL, NULL);
 287
 288         for (l = node->children; l && !found; l = l->next) {
 289                 xmlChar *prop;
 290
 291                 if (!xmlHasProp (l, prop_name)) {
 292                         continue;
 293                 }
 294
 295                 prop = xmlGetProp (l, prop_name);
 296                 if (prop && strcmp (prop, prop_value) == 0) {
 297                         found = l;
 298                 }
 299
 300                 xmlFree (prop);
 301         }
 302
 303         return found;
 304 }
 305
 306 guint
 307 empathy_account_hash (gconstpointer key)
 308 {
 309         g_return_val_if_fail (MC_IS_ACCOUNT (key), 0);
 310
 311         return g_str_hash (mc_account_get_unique_name (MC_ACCOUNT (key)));
 312 }
 313
 314 gboolean
 315 empathy_account_equal (gconstpointer a,
 316                        gconstpointer b)
 317 {
 318         const gchar *name_a;
 319         const gchar *name_b;
 320
 321         g_return_val_if_fail (MC_IS_ACCOUNT (a), FALSE);
 322         g_return_val_if_fail (MC_IS_ACCOUNT (b), FALSE);
 323
 324         name_a = mc_account_get_unique_name (MC_ACCOUNT (a));
 325         name_b = mc_account_get_unique_name (MC_ACCOUNT (b));
 326
 327         return g_str_equal (name_a, name_b);
 328 }
 329
 330 MissionControl *
 331 empathy_mission_control_new (void)
 332 {
 333         static MissionControl *mc = NULL;
 334
 335         if (!mc) {
 336                 mc = mission_control_new (tp_get_bus ());
 337                 g_object_add_weak_pointer (G_OBJECT (mc), (gpointer) &mc);
 338         } else {
 339                 g_object_ref (mc);
 340         }
 341
 342         return mc;
 343 }
 344
 345 void
 346 empathy_call_with_contact (EmpathyContact *contact)
 347 {
 348         MissionControl        *mc;
 349         McAccount             *account;
 350         TpConnection          *connection;
 351         gchar                 *object_path;
 352         TpChannel             *channel;
 353         EmpathyContactFactory *factory;
 354         EmpathyTpGroup        *group;
 355         EmpathyContact        *self_contact;
 356         GError                *error = NULL;
 357
 358         g_return_if_fail (EMPATHY_IS_CONTACT (contact));
 359
 360         mc = empathy_mission_control_new ();
 361         account = empathy_contact_get_account (contact);
 362         connection = mission_control_get_tpconnection (mc, account, NULL);
 363         tp_connection_run_until_ready (connection, FALSE, NULL, NULL);
 364         g_object_unref (mc);
 365
 366         /* We abuse of suppress_handler, TRUE means OUTGOING. The channel
 367          * will be catched in EmpathyFilter */
 368         if (!tp_cli_connection_run_request_channel (connection, -1,
 369                                                     TP_IFACE_CHANNEL_TYPE_STREAMED_MEDIA,
 370                                                     TP_HANDLE_TYPE_NONE,
 371                                                     0,
 372                                                     TRUE,
 373                                                     &object_path,
 374                                                     &error,
 375                                                     NULL)) {
 376                 empathy_debug (DEBUG_DOMAIN,
 377                               "Couldn't request channel: %s",
 378                               error ? error->message : "No error given");
 379                 g_clear_error (&error);
 380                 g_object_unref (connection);
 381                 return;
 382         }
 383
 384         channel = tp_channel_new (connection,
 385                                   object_path, TP_IFACE_CHANNEL_TYPE_STREAMED_MEDIA,
 386                                   TP_HANDLE_TYPE_NONE, 0, NULL);
 387
 388         group = empathy_tp_group_new (channel);
 389         empathy_run_until_ready (group);
 390
 391         factory = empathy_contact_factory_new ();
 392         self_contact = empathy_contact_factory_get_user (factory, account);
 393         empathy_contact_run_until_ready (self_contact,
 394                                          EMPATHY_CONTACT_READY_HANDLE,
 395                                          NULL);
 396
 397         empathy_tp_group_add_member (group, contact, "");
 398         empathy_tp_group_add_member (group, self_contact, "");
 399
 400         g_object_unref (factory);
 401         g_object_unref (self_contact);
 402         g_object_unref (group);
 403         g_object_unref (connection);
 404         g_object_unref (channel);
 405         g_free (object_path);
 406 }
 407
 408 void
 409 empathy_call_with_contact_id (McAccount *account, const gchar *contact_id)
 410 {
 411         EmpathyContactFactory *factory;
 412         EmpathyContact        *contact;
 413
 414         factory = empathy_contact_factory_new ();
 415         contact = empathy_contact_factory_get_from_id (factory, account, contact_id);
 416         empathy_contact_run_until_ready (contact, EMPATHY_CONTACT_READY_HANDLE, NULL);
 417
 418         empathy_call_with_contact (contact);
 419
 420         g_object_unref (contact);
 421         g_object_unref (factory);
 422 }
 423
 424 void
 425 empathy_chat_with_contact (EmpathyContact  *contact)
 426 {
 427         MissionControl        *mc;
 428         McAccount             *account;
 429         TpConnection          *connection;
 430
 431         g_return_if_fail (EMPATHY_IS_CONTACT (contact));
 432
 433         mc = empathy_mission_control_new ();
 434         account = empathy_contact_get_account (contact);
 435         connection = mission_control_get_tpconnection (mc, account, NULL);
 436         tp_connection_run_until_ready (connection, FALSE, NULL, NULL);
 437         g_object_unref (mc);
 438
 439         /* We abuse of suppress_handler, TRUE means OUTGOING. The channel
 440          * will be catched in EmpathyFilter */
 441         tp_cli_connection_call_request_channel (connection, -1,
 442                                                 TP_IFACE_CHANNEL_TYPE_TEXT,
 443                                                 TP_HANDLE_TYPE_CONTACT,
 444                                                 empathy_contact_get_handle (contact),
 445                                                 TRUE,
 446                                                 NULL, NULL, NULL, NULL);
 447         g_object_unref (connection);
 448 }
 449
 450 void
 451 empathy_chat_with_contact_id (McAccount *account, const gchar *contact_id)
 452 {
 453         EmpathyContactFactory *factory;
 454         EmpathyContact        *contact;
 455
 456         factory = empathy_contact_factory_new ();
 457         contact = empathy_contact_factory_get_from_id (factory, account, contact_id);
 458         empathy_contact_run_until_ready (contact, EMPATHY_CONTACT_READY_HANDLE, NULL);
 459
 460         empathy_chat_with_contact (contact);
 461
 462         g_object_unref (contact);
 463         g_object_unref (factory);
 464 }
 465
 466 const gchar *
 467 empathy_presence_get_default_message (McPresence presence)
 468 {
 469         switch (presence) {
 470         case MC_PRESENCE_AVAILABLE:
 471                 return _("Available");
 472         case MC_PRESENCE_DO_NOT_DISTURB:
 473                 return _("Busy");
 474         case MC_PRESENCE_AWAY:
 475         case MC_PRESENCE_EXTENDED_AWAY:
 476                 return _("Away");
 477         case MC_PRESENCE_HIDDEN:
 478                 return _("Hidden");
 479         case MC_PRESENCE_OFFLINE:
 480         case MC_PRESENCE_UNSET:
 481                 return _("Offline");
 482         default:
 483                 g_assert_not_reached ();
 484         }
 485
 486         return NULL;
 487 }
 488
 489 const gchar *
 490 empathy_presence_to_str (McPresence presence)
 491 {
 492         switch (presence) {
 493         case MC_PRESENCE_AVAILABLE:
 494                 return "available";
 495         case MC_PRESENCE_DO_NOT_DISTURB:
 496                 return "busy";
 497         case MC_PRESENCE_AWAY:
 498                 return "away";
 499         case MC_PRESENCE_EXTENDED_AWAY:
 500                 return "ext_away";
 501         case MC_PRESENCE_HIDDEN:
 502                 return "hidden";
 503         case MC_PRESENCE_OFFLINE:
 504                 return "offline";
 505         case MC_PRESENCE_UNSET:
 506                 return "unset";
 507         default:
 508                 g_assert_not_reached ();
 509         }
 510
 511         return NULL;
 512 }
 513
 514 McPresence
 515 empathy_presence_from_str (const gchar *str)
 516 {
 517         if (strcmp (str, "available") == 0) {
 518                 return MC_PRESENCE_AVAILABLE;
 519         } else if ((strcmp (str, "dnd") == 0) || (strcmp (str, "busy") == 0)) {
 520                 return MC_PRESENCE_DO_NOT_DISTURB;
 521         } else if ((strcmp (str, "away") == 0) || (strcmp (str, "brb") == 0)) {
 522                 return MC_PRESENCE_AWAY;
 523         } else if ((strcmp (str, "xa") == 0) || (strcmp (str, "ext_away") == 0)) {
 524                 return MC_PRESENCE_EXTENDED_AWAY;
 525         } else if (strcmp (str, "hidden") == 0) {
 526                 return MC_PRESENCE_HIDDEN;
 527         } else if (strcmp (str, "offline") == 0) {
 528                 return MC_PRESENCE_OFFLINE;
 529         } else if (strcmp (str, "unset") == 0) {
 530                 return MC_PRESENCE_UNSET;
 531         }
 532
 533         return MC_PRESENCE_AVAILABLE;
 534 }
 535
 536 gchar *
 537 empathy_file_lookup (const gchar *filename, const gchar *subdir)
 538 {
 539         gchar *path;
 540
 541         if (!subdir) {
 542                 subdir = ".";
 543         }
 544
 545         path = g_build_filename (g_getenv ("EMPATHY_SRCDIR"), subdir, filename, NULL);
 546         if (!g_file_test (path, G_FILE_TEST_EXISTS)) {
 547                 g_free (path);
 548                 path = g_build_filename (DATADIR, "empathy", filename, NULL);
 549         }
 550
 551         return path;
 552 }
 553
 554 typedef struct {
 555         EmpathyRunUntilReadyFunc  func;
 556         gpointer                  user_data;
 557         GObject                  *object;
 558         GMainLoop                *loop;
 559 } RunUntilReadyData;
 560
 561 static void
 562 run_until_ready_cb (RunUntilReadyData *data)
 563 {
 564         if (!data->func || data->func (data->object, data->user_data)) {
 565                 empathy_debug (DEBUG_DOMAIN, "Object %p is ready", data->object);
 566                 g_main_loop_quit (data->loop);
 567         }
 568 }
 569
 570 static gboolean
 571 object_is_ready (GObject *object,
 572                  gpointer user_data)
 573 {
 574         gboolean ready;
 575
 576         g_object_get (object, "ready", &ready, NULL);
 577
 578         return ready;
 579 }
 580
 581 void
 582 empathy_run_until_ready_full (gpointer                  object,
 583                               const gchar              *signal,
 584                               EmpathyRunUntilReadyFunc  func,
 585                               gpointer                  user_data,
 586                               GMainLoop               **loop)
 587 {
 588         RunUntilReadyData  data;
 589         gulong             signal_id;
 590
 591         g_return_if_fail (G_IS_OBJECT (object));
 592         g_return_if_fail (signal != NULL);
 593
 594         if (func && func (object, user_data)) {
 595                 return;
 596         }
 597
 598         empathy_debug (DEBUG_DOMAIN, "Starting run until ready for object %p",
 599                        object);
 600
 601         data.func = func;
 602         data.user_data = user_data;
 603         data.object = object;
 604         data.loop = g_main_loop_new (NULL, FALSE);
 605
 606         signal_id = g_signal_connect_swapped (object, signal,
 607                                               G_CALLBACK (run_until_ready_cb),
 608                                               &data);
 609         if (loop != NULL) {
 610                 *loop = data.loop;
 611         }
 612
 613         g_main_loop_run (data.loop);
 614
 615         if (loop != NULL) {
 616                 *loop = NULL;
 617         }
 618
 619         g_signal_handler_disconnect (object, signal_id);
 620         g_main_loop_unref (data.loop);
 621 }
 622
 623 void
 624 empathy_run_until_ready (gpointer object)
 625 {
 626         empathy_run_until_ready_full (object, "notify::ready", object_is_ready,
 627                                       NULL, NULL);
 628 }
 629
 630 McAccount *
 631 empathy_channel_get_account (TpChannel *channel)
 632 {
 633         TpConnection   *connection;
 634         McAccount      *account;
 635         MissionControl *mc;
 636
 637         g_object_get (channel, "connection", &connection, NULL);
 638         mc = empathy_mission_control_new ();
 639         account = mission_control_get_account_for_tpconnection (mc, connection, NULL);
 640         g_object_unref (connection);
 641         g_object_unref (mc);
 642
 643         return account;
 644 }
 645
 646 typedef void (*AccountStatusChangedFunc) (MissionControl           *mc,
 647                                           TpConnectionStatus        status,
 648                                           McPresence                presence,
 649                                           TpConnectionStatusReason  reason,
 650                                           const gchar              *unique_name,
 651                                           gpointer                  user_data);
 652
 653 typedef struct {
 654         AccountStatusChangedFunc handler;
 655         gpointer                 user_data;
 656         GClosureNotify           free_func;
 657         MissionControl          *mc;
 658 } AccountStatusChangedData;
 659
 660 typedef struct {
 661         TpConnectionStatus        status;
 662         McPresence                presence;
 663         TpConnectionStatusReason  reason;
 664         gchar                    *unique_name;
 665         AccountStatusChangedData *data;
 666 } InvocationData;
 667
 668 static void
 669 account_status_changed_data_free (gpointer ptr,
 670                                   GClosure *closure)
 671 {
 672         AccountStatusChangedData *data = ptr;
 673
 674         if (data->free_func) {
 675                 data->free_func (data->user_data, closure);
 676         }
 677         g_object_unref (data->mc);
 678         g_slice_free (AccountStatusChangedData, data);
 679 }
 680
 681 static gboolean
 682 account_status_changed_invoke_callback (gpointer data)
 683 {
 684         InvocationData *invocation_data = data;
 685
 686         invocation_data->data->handler (invocation_data->data->mc,
 687                                         invocation_data->status,
 688                                         invocation_data->presence,
 689                                         invocation_data->reason,
 690                                         invocation_data->unique_name,
 691                                         invocation_data->data->user_data);
 692
 693         g_free (invocation_data->unique_name);
 694         g_slice_free (InvocationData, invocation_data);
 695
 696         return FALSE;
 697 }
 698
 699 static void
 700 account_status_changed_cb (MissionControl           *mc,
 701                            TpConnectionStatus        status,
 702                            McPresence                presence,
 703                            TpConnectionStatusReason  reason,
 704                            const gchar              *unique_name,
 705                            AccountStatusChangedData *data)
 706 {
 707         InvocationData *invocation_data;
 708
 709         invocation_data = g_slice_new (InvocationData);
 710         invocation_data->status = status;
 711         invocation_data->presence = presence;
 712         invocation_data->reason = reason;
 713         invocation_data->unique_name = g_strdup (unique_name);
 714         invocation_data->data = data;
 715
 716         g_idle_add_full (G_PRIORITY_HIGH,
 717                          account_status_changed_invoke_callback,
 718                          invocation_data, NULL);
 719 }
 720
 721 gpointer
 722 empathy_connect_to_account_status_changed (MissionControl *mc,
 723                                            GCallback       handler,
 724                                            gpointer        user_data,
 725                                            GClosureNotify  free_func)
 726 {
 727         AccountStatusChangedData *data;
 728
 729         g_return_val_if_fail (IS_MISSIONCONTROL (mc), NULL);
 730         g_return_val_if_fail (handler != NULL, NULL);
 731
 732         data = g_slice_new (AccountStatusChangedData);
 733         data->handler = (AccountStatusChangedFunc) handler;
 734         data->user_data = user_data;
 735         data->free_func = free_func;
 736         data->mc = g_object_ref (mc);
 737
 738         dbus_g_proxy_connect_signal (DBUS_G_PROXY (mc), "AccountStatusChanged",
 739                                      G_CALLBACK (account_status_changed_cb),
 740                                      data, account_status_changed_data_free);
 741
 742         return data;
 743 }
 744
 745 void
 746 empathy_disconnect_account_status_changed (gpointer token)
 747 {
 748         AccountStatusChangedData *data = token;
 749
 750         dbus_g_proxy_disconnect_signal (DBUS_G_PROXY (data->mc),
 751                                         "AccountStatusChanged",
 752                                         G_CALLBACK (account_status_changed_cb),
 753                                         data);
 754 }
 755