libempathy/empathy-utils.c

   1 /*
   2  * Copyright (C) 2003-2007 Imendio AB
   3  * Copyright (C) 2007-2008 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., 51 Franklin St, Fifth Floor,
  18  * Boston, MA  02110-1301  USA
  19  *
  20  * Authors: Richard Hult <richard@imendio.com>
  21  *          Martyn Russell <martyn@imendio.com>
  22  *          Xavier Claessens <xclaesse@gmail.com>
  23  */
  24
  25 #include "config.h"
  26
  27 #include <string.h>
  28 #include <time.h>
  29 #include <sys/types.h>
  30
  31 #include <glib/gi18n-lib.h>
  32
  33 #include <libxml/uri.h>
  34
  35 #include <folks/folks.h>
  36 #include <folks/folks-telepathy.h>
  37
  38 #include <telepathy-glib/account-manager.h>
  39 #include <telepathy-glib/connection.h>
  40 #include <telepathy-glib/channel.h>
  41 #include <telepathy-glib/dbus.h>
  42 #include <telepathy-glib/util.h>
  43
  44 #include "empathy-utils.h"
  45 #include "empathy-contact-manager.h"
  46 #include "empathy-individual-manager.h"
  47 #include "empathy-dispatcher.h"
  48 #include "empathy-idle.h"
  49 #include "empathy-tp-call.h"
  50 #include "empathy-tp-contact-factory.h"
  51
  52 #include <extensions/extensions.h>
  53
  54 #define DEBUG_FLAG EMPATHY_DEBUG_OTHER
  55 #include "empathy-debug.h"
  56
  57 /* Translation between presence types and string */
  58 static struct {
  59         const gchar *name;
  60         TpConnectionPresenceType type;
  61 } presence_types[] = {
  62         { "available", TP_CONNECTION_PRESENCE_TYPE_AVAILABLE },
  63         { "busy",      TP_CONNECTION_PRESENCE_TYPE_BUSY },
  64         { "away",      TP_CONNECTION_PRESENCE_TYPE_AWAY },
  65         { "ext_away",  TP_CONNECTION_PRESENCE_TYPE_EXTENDED_AWAY },
  66         { "hidden",    TP_CONNECTION_PRESENCE_TYPE_HIDDEN },
  67         { "offline",   TP_CONNECTION_PRESENCE_TYPE_OFFLINE },
  68         { "unset",     TP_CONNECTION_PRESENCE_TYPE_UNSET },
  69         { "unknown",   TP_CONNECTION_PRESENCE_TYPE_UNKNOWN },
  70         { "error",     TP_CONNECTION_PRESENCE_TYPE_ERROR },
  71         /* alternative names */
  72         { "dnd",      TP_CONNECTION_PRESENCE_TYPE_BUSY },
  73         { "brb",      TP_CONNECTION_PRESENCE_TYPE_AWAY },
  74         { "xa",       TP_CONNECTION_PRESENCE_TYPE_EXTENDED_AWAY },
  75         { NULL, },
  76 };
  77
  78
  79
  80 void
  81 empathy_init (void)
  82 {
  83         static gboolean initialized = FALSE;
  84
  85         if (initialized)
  86                 return;
  87
  88         g_type_init ();
  89
  90         /* Setup gettext */
  91         bindtextdomain (GETTEXT_PACKAGE, LOCALEDIR);
  92         bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
  93
  94         /* Setup debug output for empathy and telepathy-glib */
  95         if (g_getenv ("EMPATHY_TIMING") != NULL) {
  96                 g_log_set_default_handler (tp_debug_timestamped_log_handler, NULL);
  97         }
  98         empathy_debug_set_flags (g_getenv ("EMPATHY_DEBUG"));
  99         tp_debug_divert_messages (g_getenv ("EMPATHY_LOGFILE"));
 100
 101         emp_cli_init ();
 102
 103         initialized = TRUE;
 104 }
 105
 106 gchar *
 107 empathy_substring (const gchar *str,
 108                   gint         start,
 109                   gint         end)
 110 {
 111         return g_strndup (str + start, end - start);
 112 }
 113
 114 gint
 115 empathy_strcasecmp (const gchar *s1,
 116                    const gchar *s2)
 117 {
 118         return empathy_strncasecmp (s1, s2, -1);
 119 }
 120
 121 gint
 122 empathy_strncasecmp (const gchar *s1,
 123                     const gchar *s2,
 124                     gsize        n)
 125 {
 126         gchar *u1, *u2;
 127         gint   ret_val;
 128
 129         u1 = g_utf8_casefold (s1, n);
 130         u2 = g_utf8_casefold (s2, n);
 131
 132         ret_val = g_utf8_collate (u1, u2);
 133         g_free (u1);
 134         g_free (u2);
 135
 136         return ret_val;
 137 }
 138
 139 gboolean
 140 empathy_xml_validate (xmlDoc      *doc,
 141                      const gchar *dtd_filename)
 142 {
 143         gchar        *path;
 144         xmlChar      *escaped;
 145         xmlValidCtxt  cvp;
 146         xmlDtd       *dtd;
 147         gboolean      ret;
 148
 149         path = g_build_filename (g_getenv ("EMPATHY_SRCDIR"), "libempathy",
 150                                  dtd_filename, NULL);
 151         if (!g_file_test (path, G_FILE_TEST_EXISTS)) {
 152                 g_free (path);
 153                 path = g_build_filename (DATADIR, "empathy", dtd_filename, NULL);
 154         }
 155         DEBUG ("Loading dtd file %s", path);
 156
 157         /* The list of valid chars is taken from libxml. */
 158         escaped = xmlURIEscapeStr ((const xmlChar *) path,
 159                 (const xmlChar *)":@&=+$,/?;");
 160         g_free (path);
 161
 162         memset (&cvp, 0, sizeof (cvp));
 163         dtd = xmlParseDTD (NULL, escaped);
 164         ret = xmlValidateDtd (&cvp, doc, dtd);
 165
 166         xmlFree (escaped);
 167         xmlFreeDtd (dtd);
 168
 169         return ret;
 170 }
 171
 172 xmlNodePtr
 173 empathy_xml_node_get_child (xmlNodePtr   node,
 174                            const gchar *child_name)
 175 {
 176         xmlNodePtr l;
 177
 178         g_return_val_if_fail (node != NULL, NULL);
 179         g_return_val_if_fail (child_name != NULL, NULL);
 180
 181         for (l = node->children; l; l = l->next) {
 182                 if (l->name && strcmp ((const gchar *) l->name, child_name) == 0) {
 183                         return l;
 184                 }
 185         }
 186
 187         return NULL;
 188 }
 189
 190 xmlChar *
 191 empathy_xml_node_get_child_content (xmlNodePtr   node,
 192                                    const gchar *child_name)
 193 {
 194         xmlNodePtr l;
 195
 196         g_return_val_if_fail (node != NULL, NULL);
 197         g_return_val_if_fail (child_name != NULL, NULL);
 198
 199         l = empathy_xml_node_get_child (node, child_name);
 200         if (l) {
 201                 return xmlNodeGetContent (l);
 202         }
 203
 204         return NULL;
 205 }
 206
 207 xmlNodePtr
 208 empathy_xml_node_find_child_prop_value (xmlNodePtr   node,
 209                                        const gchar *prop_name,
 210                                        const gchar *prop_value)
 211 {
 212         xmlNodePtr l;
 213         xmlNodePtr found = NULL;
 214
 215         g_return_val_if_fail (node != NULL, NULL);
 216         g_return_val_if_fail (prop_name != NULL, NULL);
 217         g_return_val_if_fail (prop_value != NULL, NULL);
 218
 219         for (l = node->children; l && !found; l = l->next) {
 220                 xmlChar *prop;
 221
 222                 if (!xmlHasProp (l, (const xmlChar *) prop_name)) {
 223                         continue;
 224                 }
 225
 226                 prop = xmlGetProp (l, (const xmlChar *) prop_name);
 227                 if (prop && strcmp ((const gchar *) prop, prop_value) == 0) {
 228                         found = l;
 229                 }
 230
 231                 xmlFree (prop);
 232         }
 233
 234         return found;
 235 }
 236
 237 const gchar *
 238 empathy_presence_get_default_message (TpConnectionPresenceType presence)
 239 {
 240         switch (presence) {
 241         case TP_CONNECTION_PRESENCE_TYPE_AVAILABLE:
 242                 return _("Available");
 243         case TP_CONNECTION_PRESENCE_TYPE_BUSY:
 244                 return _("Busy");
 245         case TP_CONNECTION_PRESENCE_TYPE_AWAY:
 246         case TP_CONNECTION_PRESENCE_TYPE_EXTENDED_AWAY:
 247                 return _("Away");
 248         case TP_CONNECTION_PRESENCE_TYPE_HIDDEN:
 249                 return _("Invisible");
 250         case TP_CONNECTION_PRESENCE_TYPE_OFFLINE:
 251                 return _("Offline");
 252         case TP_CONNECTION_PRESENCE_TYPE_UNKNOWN:
 253                 return _("Unknown");
 254         case TP_CONNECTION_PRESENCE_TYPE_UNSET:
 255         case TP_CONNECTION_PRESENCE_TYPE_ERROR:
 256         default:
 257                 return NULL;
 258         }
 259
 260         return NULL;
 261 }
 262
 263 const gchar *
 264 empathy_presence_to_str (TpConnectionPresenceType presence)
 265 {
 266         int i;
 267
 268         for (i = 0 ; presence_types[i].name != NULL; i++)
 269                 if (presence == presence_types[i].type)
 270                         return presence_types[i].name;
 271
 272         return NULL;
 273 }
 274
 275 TpConnectionPresenceType
 276 empathy_presence_from_str (const gchar *str)
 277 {
 278         int i;
 279
 280         for (i = 0 ; presence_types[i].name != NULL; i++)
 281                 if (!tp_strdiff (str, presence_types[i].name))
 282                         return presence_types[i].type;
 283
 284         return TP_CONNECTION_PRESENCE_TYPE_UNSET;
 285 }
 286
 287 static const gchar *
 288 empathy_status_reason_get_default_message (TpConnectionStatusReason reason)
 289 {
 290         switch (reason) {
 291         case TP_CONNECTION_STATUS_REASON_NONE_SPECIFIED:
 292                 return _("No reason specified");
 293         case TP_CONNECTION_STATUS_REASON_REQUESTED:
 294                 return _("Status is set to offline");
 295         case TP_CONNECTION_STATUS_REASON_NETWORK_ERROR:
 296                 return _("Network error");
 297         case TP_CONNECTION_STATUS_REASON_AUTHENTICATION_FAILED:
 298                 return _("Authentication failed");
 299         case TP_CONNECTION_STATUS_REASON_ENCRYPTION_ERROR:
 300                 return _("Encryption error");
 301         case TP_CONNECTION_STATUS_REASON_NAME_IN_USE:
 302                 return _("Name in use");
 303         case TP_CONNECTION_STATUS_REASON_CERT_NOT_PROVIDED:
 304                 return _("Certificate not provided");
 305         case TP_CONNECTION_STATUS_REASON_CERT_UNTRUSTED:
 306                 return _("Certificate untrusted");
 307         case TP_CONNECTION_STATUS_REASON_CERT_EXPIRED:
 308                 return _("Certificate expired");
 309         case TP_CONNECTION_STATUS_REASON_CERT_NOT_ACTIVATED:
 310                 return _("Certificate not activated");
 311         case TP_CONNECTION_STATUS_REASON_CERT_HOSTNAME_MISMATCH:
 312                 return _("Certificate hostname mismatch");
 313         case TP_CONNECTION_STATUS_REASON_CERT_FINGERPRINT_MISMATCH:
 314                 return _("Certificate fingerprint mismatch");
 315         case TP_CONNECTION_STATUS_REASON_CERT_SELF_SIGNED:
 316                 return _("Certificate self-signed");
 317         case TP_CONNECTION_STATUS_REASON_CERT_OTHER_ERROR:
 318                 return _("Certificate error");
 319         default:
 320                 return _("Unknown reason");
 321         }
 322 }
 323
 324 static GHashTable *
 325 create_errors_to_message_hash (void)
 326 {
 327         GHashTable *errors;
 328
 329         errors = g_hash_table_new (g_str_hash, g_str_equal);
 330         g_hash_table_insert (errors, TP_ERROR_STR_NETWORK_ERROR, _("Network error"));
 331         g_hash_table_insert (errors, TP_ERROR_STR_AUTHENTICATION_FAILED,
 332                 _("Authentication failed"));
 333         g_hash_table_insert (errors, TP_ERROR_STR_ENCRYPTION_ERROR,
 334                 _("Encryption error"));
 335         g_hash_table_insert (errors, TP_ERROR_STR_CERT_NOT_PROVIDED,
 336                 _("Certificate not provided"));
 337         g_hash_table_insert (errors, TP_ERROR_STR_CERT_UNTRUSTED,
 338                 _("Certificate untrusted"));
 339         g_hash_table_insert (errors, TP_ERROR_STR_CERT_EXPIRED,
 340                 _("Certificate expired"));
 341         g_hash_table_insert (errors, TP_ERROR_STR_CERT_NOT_ACTIVATED,
 342                 _("Certificate not activated"));
 343         g_hash_table_insert (errors, TP_ERROR_STR_CERT_HOSTNAME_MISMATCH,
 344                 _("Certificate hostname mismatch"));
 345         g_hash_table_insert (errors, TP_ERROR_STR_CERT_FINGERPRINT_MISMATCH,
 346                 _("Certificate fingerprint mismatch"));
 347         g_hash_table_insert (errors, TP_ERROR_STR_CERT_SELF_SIGNED,
 348                 _("Certificate self-signed"));
 349         g_hash_table_insert (errors, TP_ERROR_STR_CANCELLED,
 350                 _("Status is set to offline"));
 351         g_hash_table_insert (errors, TP_ERROR_STR_ENCRYPTION_NOT_AVAILABLE,
 352                 _("Encryption is not available"));
 353         g_hash_table_insert (errors, TP_ERROR_STR_CERT_INVALID,
 354                 _("Certificate is invalid"));
 355         g_hash_table_insert (errors, TP_ERROR_STR_CONNECTION_REFUSED,
 356                 _("Connection has been refused"));
 357         g_hash_table_insert (errors, TP_ERROR_STR_CONNECTION_FAILED,
 358                 _("Connection can't be established"));
 359         g_hash_table_insert (errors, TP_ERROR_STR_CONNECTION_LOST,
 360                 _("Connection has been lost"));
 361         g_hash_table_insert (errors, TP_ERROR_STR_ALREADY_CONNECTED,
 362                 _("This resource is already connected to the server"));
 363         g_hash_table_insert (errors, TP_ERROR_STR_CONNECTION_REPLACED,
 364                 _("Connection has been replaced by a new connection using the "
 365                 "same resource"));
 366         g_hash_table_insert (errors, TP_ERROR_STR_REGISTRATION_EXISTS,
 367                 _("The account already exists on the server"));
 368         g_hash_table_insert (errors, TP_ERROR_STR_SERVICE_BUSY,
 369                 _("Server is currently too busy to handle the connection"));
 370         g_hash_table_insert (errors, TP_ERROR_STR_CERT_REVOKED,
 371                 _("Certificate has been revoked"));
 372         g_hash_table_insert (errors, TP_ERROR_STR_CERT_INSECURE,
 373                 _("Certificate uses an insecure cipher algorithm or is "
 374                 "cryptographically weak"));
 375         g_hash_table_insert (errors, TP_ERROR_STR_CERT_LIMIT_EXCEEDED,
 376                 _("The length of the server certificate, or the depth of the "
 377                 "server certificate chain exceed the limits imposed by the "
 378                 "crypto library"));
 379
 380         return errors;
 381 }
 382
 383 static const gchar *
 384 empathy_dbus_error_name_get_default_message  (const gchar *error)
 385 {
 386         static GHashTable *errors_to_message = NULL;
 387
 388         if (error == NULL)
 389                 return NULL;
 390
 391         if (G_UNLIKELY (errors_to_message == NULL)) {
 392                 errors_to_message = create_errors_to_message_hash ();
 393         }
 394
 395         return g_hash_table_lookup (errors_to_message, error);
 396 }
 397
 398 const gchar *
 399 empathy_account_get_error_message (TpAccount *account)
 400 {
 401         const gchar *dbus_error;
 402         const gchar *message;
 403         TpConnectionStatusReason reason;
 404
 405         dbus_error = tp_account_get_detailed_error (account, NULL);
 406         message = empathy_dbus_error_name_get_default_message (dbus_error);
 407         if (message != NULL)
 408                 return message;
 409
 410         DEBUG ("Don't understand error '%s'; fallback to the status reason (%u)",
 411                 dbus_error, reason);
 412
 413         tp_account_get_connection_status (account, &reason);
 414
 415         return empathy_status_reason_get_default_message (reason);
 416 }
 417
 418 gchar *
 419 empathy_file_lookup (const gchar *filename, const gchar *subdir)
 420 {
 421         gchar *path;
 422
 423         if (!subdir) {
 424                 subdir = ".";
 425         }
 426
 427         path = g_build_filename (g_getenv ("EMPATHY_SRCDIR"), subdir, filename, NULL);
 428         if (!g_file_test (path, G_FILE_TEST_EXISTS)) {
 429                 g_free (path);
 430                 path = g_build_filename (DATADIR, "empathy", filename, NULL);
 431         }
 432
 433         return path;
 434 }
 435
 436 guint
 437 empathy_proxy_hash (gconstpointer key)
 438 {
 439         TpProxy      *proxy = TP_PROXY (key);
 440         TpProxyClass *proxy_class = TP_PROXY_GET_CLASS (key);
 441
 442         g_return_val_if_fail (TP_IS_PROXY (proxy), 0);
 443         g_return_val_if_fail (proxy_class->must_have_unique_name, 0);
 444
 445         return g_str_hash (proxy->object_path) ^ g_str_hash (proxy->bus_name);
 446 }
 447
 448 gboolean
 449 empathy_proxy_equal (gconstpointer a,
 450                      gconstpointer b)
 451 {
 452         TpProxy *proxy_a = TP_PROXY (a);
 453         TpProxy *proxy_b = TP_PROXY (b);
 454         TpProxyClass *proxy_a_class = TP_PROXY_GET_CLASS (a);
 455         TpProxyClass *proxy_b_class = TP_PROXY_GET_CLASS (b);
 456
 457         g_return_val_if_fail (TP_IS_PROXY (proxy_a), FALSE);
 458         g_return_val_if_fail (TP_IS_PROXY (proxy_b), FALSE);
 459         g_return_val_if_fail (proxy_a_class->must_have_unique_name, 0);
 460         g_return_val_if_fail (proxy_b_class->must_have_unique_name, 0);
 461
 462         return g_str_equal (proxy_a->object_path, proxy_b->object_path) &&
 463                g_str_equal (proxy_a->bus_name, proxy_b->bus_name);
 464 }
 465
 466 gboolean
 467 empathy_check_available_state (void)
 468 {
 469         TpConnectionPresenceType presence;
 470         EmpathyIdle *idle;
 471
 472         idle = empathy_idle_dup_singleton ();
 473         presence = empathy_idle_get_state (idle);
 474         g_object_unref (idle);
 475
 476         if (presence != TP_CONNECTION_PRESENCE_TYPE_AVAILABLE &&
 477                 presence != TP_CONNECTION_PRESENCE_TYPE_UNSET) {
 478                 return FALSE;
 479         }
 480
 481         return TRUE;
 482 }
 483
 484 gint
 485 empathy_uint_compare (gconstpointer a,
 486                       gconstpointer b)
 487 {
 488         return *(guint *) a - *(guint *) b;
 489 }
 490
 491 gchar *
 492 empathy_protocol_icon_name (const gchar *protocol)
 493 {
 494   if (!tp_strdiff (protocol, "yahoojp"))
 495     /* Yahoo Japan uses the same icon as Yahoo */
 496     protocol = "yahoo";
 497   else if (!tp_strdiff (protocol, "simple"))
 498     /* SIMPLE uses the same icon as SIP */
 499     protocol = "sip";
 500   else if (!tp_strdiff (protocol, "sms"))
 501     return g_strdup ("phone");
 502
 503   return g_strdup_printf ("im-%s", protocol);
 504 }
 505
 506 GType
 507 empathy_type_dbus_ao (void)
 508 {
 509   static GType t = 0;
 510
 511   if (G_UNLIKELY (t == 0))
 512      t = dbus_g_type_get_collection ("GPtrArray", DBUS_TYPE_G_OBJECT_PATH);
 513
 514   return t;
 515 }
 516
 517 const char *
 518 empathy_protocol_name_to_display_name (const gchar *proto_name)
 519 {
 520   int i;
 521   static struct {
 522     const gchar *proto;
 523     const gchar *display;
 524     gboolean translated;
 525   } names[] = {
 526     { "jabber", "Jabber", FALSE },
 527     { "gtalk", "Google Talk", FALSE },
 528     { "msn", "MSN", FALSE, },
 529     { "local-xmpp", N_("People Nearby"), TRUE },
 530     { "irc", "IRC", FALSE },
 531     { "icq", "ICQ", FALSE },
 532     { "aim", "AIM", FALSE },
 533     { "yahoo", "Yahoo!", FALSE },
 534     { "yahoojp", N_("Yahoo! Japan"), TRUE },
 535     { "facebook", N_("Facebook Chat"), TRUE },
 536     { "groupwise", "GroupWise", FALSE },
 537     { "sip", "SIP", FALSE },
 538     { NULL, NULL }
 539   };
 540
 541   for (i = 0; names[i].proto != NULL; i++)
 542     {
 543       if (!tp_strdiff (proto_name, names[i].proto))
 544         {
 545           if (names[i].translated)
 546             return _(names[i].display);
 547           else
 548             return names[i].display;
 549         }
 550     }
 551
 552   return NULL;
 553 }
 554
 555 /* Note: this function depends on the account manager having its core feature
 556  * prepared. */
 557 TpAccount *
 558 empathy_get_account_for_connection (TpConnection *connection)
 559 {
 560   TpAccountManager *manager;
 561   TpAccount *account = NULL;
 562   GList *accounts, *l;
 563
 564   manager = tp_account_manager_dup ();
 565
 566   accounts = tp_account_manager_get_valid_accounts (manager);
 567
 568   for (l = accounts; l != NULL; l = l->next)
 569     {
 570       TpAccount *a = l->data;
 571
 572       if (tp_account_get_connection (a) == connection)
 573         {
 574           account = a;
 575           break;
 576         }
 577     }
 578
 579   g_list_free (accounts);
 580   g_object_unref (manager);
 581
 582   return account;
 583 }
 584
 585 gboolean
 586 empathy_account_manager_get_accounts_connected (gboolean *connecting)
 587 {
 588   TpAccountManager *manager;
 589   GList *accounts, *l;
 590   gboolean out_connecting = FALSE;
 591   gboolean out_connected = FALSE;
 592
 593   manager = tp_account_manager_dup ();
 594
 595   if (G_UNLIKELY (!tp_account_manager_is_prepared (manager,
 596           TP_ACCOUNT_MANAGER_FEATURE_CORE)))
 597     g_critical (G_STRLOC ": %s called before AccountManager ready", G_STRFUNC);
 598
 599   accounts = tp_account_manager_get_valid_accounts (manager);
 600
 601   for (l = accounts; l != NULL; l = l->next)
 602     {
 603       TpConnectionStatus s = tp_account_get_connection_status (
 604           TP_ACCOUNT (l->data), NULL);
 605
 606       if (s == TP_CONNECTION_STATUS_CONNECTING)
 607         out_connecting = TRUE;
 608       else if (s == TP_CONNECTION_STATUS_CONNECTED)
 609         out_connected = TRUE;
 610
 611       if (out_connecting && out_connected)
 612         break;
 613     }
 614
 615   g_list_free (accounts);
 616   g_object_unref (manager);
 617
 618   if (connecting != NULL)
 619     *connecting = out_connecting;
 620
 621   return out_connected;
 622 }
 623
 624 /* Change the RequestedPresence of a newly created account to ensure that it
 625  * is actually connected. */
 626 void
 627 empathy_connect_new_account (TpAccount *account,
 628     TpAccountManager *account_manager)
 629 {
 630   TpConnectionPresenceType presence;
 631   gchar *status, *message;
 632
 633   /* only force presence if presence was offline, unknown or unset */
 634   presence = tp_account_get_requested_presence (account, NULL, NULL);
 635   switch (presence)
 636     {
 637       case TP_CONNECTION_PRESENCE_TYPE_OFFLINE:
 638       case TP_CONNECTION_PRESENCE_TYPE_UNKNOWN:
 639       case TP_CONNECTION_PRESENCE_TYPE_UNSET:
 640         presence = tp_account_manager_get_most_available_presence (
 641             account_manager, &status, &message);
 642
 643         if (presence == TP_CONNECTION_PRESENCE_TYPE_OFFLINE)
 644           /* Global presence is offline; we force it so user doesn't have to
 645            * manually change the presence to connect his new account. */
 646           presence = TP_CONNECTION_PRESENCE_TYPE_AVAILABLE;
 647
 648         tp_account_request_presence_async (account, presence,
 649             status, NULL, NULL, NULL);
 650
 651         g_free (status);
 652         g_free (message);
 653         break;
 654
 655        case TP_CONNECTION_PRESENCE_TYPE_AVAILABLE:
 656        case TP_CONNECTION_PRESENCE_TYPE_AWAY:
 657        case TP_CONNECTION_PRESENCE_TYPE_EXTENDED_AWAY:
 658        case TP_CONNECTION_PRESENCE_TYPE_HIDDEN:
 659        case TP_CONNECTION_PRESENCE_TYPE_BUSY:
 660        case TP_CONNECTION_PRESENCE_TYPE_ERROR:
 661        default:
 662         /* do nothing if the presence is not offline */
 663         break;
 664     }
 665 }
 666
 667 /* Translate Folks' general presence type to the Tp presence type */
 668 TpConnectionPresenceType
 669 empathy_folks_presence_type_to_tp (FolksPresenceType type)
 670 {
 671   return (TpConnectionPresenceType) type;
 672 }
 673
 674 /* Returns TRUE if the given Individual contains a TpContact */
 675 gboolean
 676 empathy_folks_individual_contains_contact (FolksIndividual *individual)
 677 {
 678   GList *personas, *l;
 679
 680   g_return_val_if_fail (FOLKS_IS_INDIVIDUAL (individual), FALSE);
 681
 682   personas = folks_individual_get_personas (individual);
 683   for (l = personas; l != NULL; l = l->next)
 684     {
 685       if (TPF_IS_PERSONA (l->data))
 686         return (tpf_persona_get_contact (TPF_PERSONA (l->data)) != NULL);
 687     }
 688
 689   return FALSE;
 690 }
 691
 692 /* TODO: this needs to be eliminated (and replaced in some cases with user
 693  * prompts) when we break the assumption that FolksIndividuals are 1:1 with
 694  * TpContacts */
 695
 696 /* Retrieve the EmpathyContact corresponding to the first TpContact contained
 697  * within the given Individual. Note that this is a temporary convenience. See
 698  * the TODO above. */
 699 EmpathyContact *
 700 empathy_contact_dup_from_folks_individual (FolksIndividual *individual)
 701 {
 702   GList *personas, *l;
 703   EmpathyContact *contact = NULL;
 704
 705   g_return_val_if_fail (FOLKS_IS_INDIVIDUAL (individual), NULL);
 706
 707   personas = folks_individual_get_personas (individual);
 708   for (l = personas; (l != NULL) && (contact == NULL); l = l->next)
 709     {
 710       TpfPersona *persona = l->data;
 711
 712       if (TPF_IS_PERSONA (persona))
 713         {
 714           TpContact *tp_contact;
 715
 716           tp_contact = tpf_persona_get_contact (persona);
 717           contact = empathy_contact_dup_from_tp_contact (tp_contact);
 718           empathy_contact_set_persona (contact, FOLKS_PERSONA (persona));
 719         }
 720     }
 721
 722   return contact;
 723 }
 724
 725 TpChannelGroupChangeReason
 726 tp_chanel_group_change_reason_from_folks_groups_change_reason (
 727     FolksGroupsChangeReason reason)
 728 {
 729   return (TpChannelGroupChangeReason) reason;
 730 }