libempathy/empathy-tp-contact-list.c

   1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
   2 /*
   3  * Copyright (C) 2007 Xavier Claessens <xclaesse@gmail.com>
   4  * Copyright (C) 2007-2009 Collabora Ltd.
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library 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  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  *
  20  * Authors: Xavier Claessens <xclaesse@gmail.com>
  21  */
  22
  23 #include <config.h>
  24
  25 #include <string.h>
  26 #include <glib/gi18n-lib.h>
  27
  28 #include <telepathy-glib/channel.h>
  29 #include <telepathy-glib/connection.h>
  30 #include <telepathy-glib/util.h>
  31 #include <telepathy-glib/dbus.h>
  32 #include <telepathy-glib/interfaces.h>
  33
  34 #include "empathy-tp-contact-list.h"
  35 #include "empathy-tp-contact-factory.h"
  36 #include "empathy-contact-list.h"
  37 #include "empathy-utils.h"
  38
  39 #define DEBUG_FLAG EMPATHY_DEBUG_TP | EMPATHY_DEBUG_CONTACT
  40 #include "empathy-debug.h"
  41
  42 #define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyTpContactList)
  43 typedef struct {
  44         EmpathyTpContactFactory *factory;
  45         TpConnection   *connection;
  46
  47         TpChannel      *publish;
  48         TpChannel      *subscribe;
  49         TpChannel      *stored;
  50         /* contact handle (TpHandle) => reffed (EmpathyContact *)
  51          *
  52          * Contacts which are members or remote-pending in the subscribe channel:
  53          * we are receiving their presence or we asked to receive it. */
  54         GHashTable     *members;
  55         /* contact handle (TpHandle) => reffed (EmpathyContact *)
  56          *
  57          * Contacts which are local-pending in the publish channel but are NOT in
  58          * the members hash table: they asked to receive our presence and we don't
  59          * receive theirs or asked to.
  60          * That's basically the contacts which asked to add us to their contact
  61          * list and we didn't answer it. */
  62         GHashTable     *pendings;
  63         /* group name: borrowed (const gchar *)  => reffed (TpChannel *) */
  64         GHashTable     *groups;
  65         /* group name: owned (gchar *) => owned GArray of TpHandle */
  66         GHashTable     *add_to_group;
  67
  68         EmpathyContactListFlags flags;
  69
  70         TpProxySignalConnection *new_channels_sig;
  71 } EmpathyTpContactListPriv;
  72
  73 typedef enum {
  74         TP_CONTACT_LIST_TYPE_PUBLISH,
  75         TP_CONTACT_LIST_TYPE_SUBSCRIBE,
  76         TP_CONTACT_LIST_TYPE_UNKNOWN
  77 } TpContactListType;
  78
  79 static void tp_contact_list_iface_init         (EmpathyContactListIface   *iface);
  80
  81 enum {
  82         PROP_0,
  83         PROP_CONNECTION,
  84 };
  85
  86 G_DEFINE_TYPE_WITH_CODE (EmpathyTpContactList, empathy_tp_contact_list, G_TYPE_OBJECT,
  87                          G_IMPLEMENT_INTERFACE (EMPATHY_TYPE_CONTACT_LIST,
  88                                                 tp_contact_list_iface_init));
  89
  90 static void
  91 tp_contact_list_forget_group (EmpathyTpContactList *list,
  92                               TpChannel *channel)
  93 {
  94         EmpathyTpContactListPriv *priv = GET_PRIV (list);
  95         const TpIntSet *members;
  96         TpIntSetIter iter;
  97         const gchar *group_name;
  98
  99         group_name = tp_channel_get_identifier (channel);
 100
 101         /* Signal that all members are not in that group anymore */
 102         members = tp_channel_group_get_members (channel);
 103         tp_intset_iter_init (&iter, members);
 104         while (tp_intset_iter_next (&iter)) {
 105                 EmpathyContact *contact;
 106
 107                 contact = g_hash_table_lookup (priv->members,
 108                                                GUINT_TO_POINTER (iter.element));
 109                 if (contact == NULL) {
 110                         continue;
 111                 }
 112
 113                 DEBUG ("Contact %s (%d) removed from group %s",
 114                         empathy_contact_get_id (contact), iter.element,
 115                         group_name);
 116                 g_signal_emit_by_name (list, "groups-changed", contact,
 117                                        group_name,
 118                                        FALSE);
 119         }
 120 }
 121
 122 static void
 123 tp_contact_list_group_invalidated_cb (TpChannel *channel,
 124                                       guint      domain,
 125                                       gint       code,
 126                                       gchar     *message,
 127                                       EmpathyTpContactList *list)
 128 {
 129         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 130         const gchar *group_name;
 131
 132         group_name = tp_channel_get_identifier (channel);
 133         DEBUG ("Group %s invalidated. Message: %s", group_name, message);
 134
 135         tp_contact_list_forget_group (list, channel);
 136
 137         g_hash_table_remove (priv->groups, group_name);
 138 }
 139
 140 static void
 141 contacts_added_to_group (EmpathyTpContactList *list,
 142                          TpChannel *channel,
 143                          GArray *added)
 144 {
 145         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 146         const gchar *group_name;
 147         guint i;
 148
 149         group_name = tp_channel_get_identifier (channel);
 150
 151         for (i = 0; i < added->len; i++) {
 152                 EmpathyContact *contact;
 153                 TpHandle handle;
 154
 155                 handle = g_array_index (added, TpHandle, i);
 156                 contact = g_hash_table_lookup (priv->members,
 157                                                GUINT_TO_POINTER (handle));
 158                 if (contact == NULL) {
 159                         continue;
 160                 }
 161
 162                 DEBUG ("Contact %s (%d) added to group %s",
 163                         empathy_contact_get_id (contact), handle, group_name);
 164                 g_signal_emit_by_name (list, "groups-changed", contact,
 165                                        group_name,
 166                                        TRUE);
 167         }
 168 }
 169
 170 static void
 171 tp_contact_list_group_members_changed_cb (TpChannel     *channel,
 172                                           gchar         *message,
 173                                           GArray        *added,
 174                                           GArray        *removed,
 175                                           GArray        *local_pending,
 176                                           GArray        *remote_pending,
 177                                           guint          actor,
 178                                           guint          reason,
 179                                           EmpathyTpContactList *list)
 180 {
 181         EmpathyTpContactListPriv  *priv = GET_PRIV (list);
 182         const gchar *group_name;
 183         guint i;
 184
 185         contacts_added_to_group (list, channel, added);
 186
 187         group_name = tp_channel_get_identifier (channel);
 188
 189         for (i = 0; i < removed->len; i++) {
 190                 EmpathyContact *contact;
 191                 TpHandle handle;
 192
 193                 handle = g_array_index (removed, TpHandle, i);
 194                 contact = g_hash_table_lookup (priv->members,
 195                                                GUINT_TO_POINTER (handle));
 196                 if (contact == NULL) {
 197                         continue;
 198                 }
 199
 200                 DEBUG ("Contact %s (%d) removed from group %s",
 201                         empathy_contact_get_id (contact), handle, group_name);
 202
 203                 g_signal_emit_by_name (list, "groups-changed", contact,
 204                                        group_name,
 205                                        FALSE);
 206         }
 207 }
 208
 209 static void
 210 tp_contact_list_group_ready_cb (TpChannel *channel,
 211                                 const GError *error,
 212                                 gpointer list)
 213 {
 214         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 215         TpChannel *old_group;
 216         const gchar *group_name;
 217         const TpIntSet *members;
 218         GArray *arr;
 219
 220         if (error) {
 221                 DEBUG ("Error: %s", error->message);
 222                 g_object_unref (channel);
 223                 return;
 224         }
 225
 226         group_name = tp_channel_get_identifier (channel);
 227
 228         /* If there's already a group with this name in the table, we can't
 229          * just let it be replaced. Replacing it causes it to be unreffed,
 230          * which causes it to be invalidated (see
 231          * <https://bugs.freedesktop.org/show_bug.cgi?id=22119>), which causes
 232          * it to be removed from the hash table again, which causes it to be
 233          * unreffed again.
 234          */
 235         old_group = g_hash_table_lookup (priv->groups, group_name);
 236
 237         if (old_group != NULL) {
 238                 DEBUG ("Discarding old group %s (%p)", group_name, old_group);
 239                 g_hash_table_steal (priv->groups, group_name);
 240                 tp_contact_list_forget_group (list, old_group);
 241                 g_object_unref (old_group);
 242         }
 243
 244         g_hash_table_insert (priv->groups, (gpointer) group_name, channel);
 245         DEBUG ("Group %s added", group_name);
 246
 247         g_signal_connect (channel, "group-members-changed",
 248                           G_CALLBACK (tp_contact_list_group_members_changed_cb),
 249                           list);
 250
 251         g_signal_connect (channel, "invalidated",
 252                           G_CALLBACK (tp_contact_list_group_invalidated_cb),
 253                           list);
 254
 255         if (priv->add_to_group) {
 256                 GArray *handles;
 257
 258                 handles = g_hash_table_lookup (priv->add_to_group, group_name);
 259                 if (handles) {
 260                         DEBUG ("Adding initial members to group %s", group_name);
 261                         tp_cli_channel_interface_group_call_add_members (channel,
 262                                 -1, handles, NULL, NULL, NULL, NULL, NULL);
 263                         g_hash_table_remove (priv->add_to_group, group_name);
 264                 }
 265         }
 266
 267         /* Get initial members of the group */
 268         members = tp_channel_group_get_members (channel);
 269         g_assert (members != NULL);
 270         arr = tp_intset_to_array (members);
 271         contacts_added_to_group (list, channel, arr);
 272         g_array_free (arr, TRUE);
 273 }
 274
 275 static void
 276 tp_contact_list_group_add_channel (EmpathyTpContactList *list,
 277                                    const gchar          *object_path,
 278                                    const gchar          *channel_type,
 279                                    TpHandleType          handle_type,
 280                                    guint                 handle)
 281 {
 282         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 283         TpChannel                *channel;
 284
 285         /* Only accept server-side contact groups */
 286         if (tp_strdiff (channel_type, TP_IFACE_CHANNEL_TYPE_CONTACT_LIST) ||
 287             handle_type != TP_HANDLE_TYPE_GROUP) {
 288                 return;
 289         }
 290
 291         channel = tp_channel_new (priv->connection,
 292                                   object_path, channel_type,
 293                                   handle_type, handle, NULL);
 294
 295         /* Give the ref to the callback */
 296         tp_channel_call_when_ready (channel,
 297                                     tp_contact_list_group_ready_cb,
 298                                     list);
 299 }
 300
 301 static void
 302 tp_contact_list_group_request_channel_cb (TpConnection *connection,
 303                                           const gchar  *object_path,
 304                                           const GError *error,
 305                                           gpointer      user_data,
 306                                           GObject      *list)
 307 {
 308         /* The new channel will be handled in NewChannel cb. Here we only
 309          * handle the error if RequestChannel failed */
 310         if (error) {
 311                 DEBUG ("Error: %s", error->message);
 312                 return;
 313         }
 314 }
 315
 316 static void
 317 tp_contact_list_group_request_handles_cb (TpConnection *connection,
 318                                           const GArray *handles,
 319                                           const GError *error,
 320                                           gpointer      user_data,
 321                                           GObject      *list)
 322 {
 323         TpHandle channel_handle;
 324
 325         if (error) {
 326                 DEBUG ("Error: %s", error->message);
 327                 return;
 328         }
 329
 330         channel_handle = g_array_index (handles, TpHandle, 0);
 331         tp_cli_connection_call_request_channel (connection, -1,
 332                                                 TP_IFACE_CHANNEL_TYPE_CONTACT_LIST,
 333                                                 TP_HANDLE_TYPE_GROUP,
 334                                                 channel_handle,
 335                                                 TRUE,
 336                                                 tp_contact_list_group_request_channel_cb,
 337                                                 NULL, NULL,
 338                                                 list);
 339 }
 340
 341 /* This function takes ownership of handles array */
 342 static void
 343 tp_contact_list_group_add (EmpathyTpContactList *list,
 344                            const gchar          *group_name,
 345                            GArray               *handles)
 346 {
 347         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 348         TpChannel                *channel;
 349         const gchar              *names[] = {group_name, NULL};
 350
 351         /* Search the channel for that group name */
 352         channel = g_hash_table_lookup (priv->groups, group_name);
 353         if (channel) {
 354                 tp_cli_channel_interface_group_call_add_members (channel, -1,
 355                         handles, NULL, NULL, NULL, NULL, NULL);
 356                 g_array_free (handles, TRUE);
 357                 return;
 358         }
 359
 360         /* That group does not exist yet, we have to:
 361          * 1) Request an handle for the group name
 362          * 2) Request a channel
 363          * 3) When NewChannel is emitted, add handles in members
 364          */
 365         g_hash_table_insert (priv->add_to_group,
 366                              g_strdup (group_name),
 367                              handles);
 368         tp_cli_connection_call_request_handles (priv->connection, -1,
 369                                                 TP_HANDLE_TYPE_GROUP, names,
 370                                                 tp_contact_list_group_request_handles_cb,
 371                                                 NULL, NULL,
 372                                                 G_OBJECT (list));
 373 }
 374
 375 static void
 376 add_to_members (EmpathyTpContactList *list,
 377                 EmpathyContact *contact)
 378 {
 379         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 380         TpHandle handle;
 381
 382         handle = empathy_contact_get_handle (contact);
 383         if (g_hash_table_lookup (priv->members, GUINT_TO_POINTER (handle)))
 384                 return;
 385
 386         /* Add to the list and emit signal */
 387         g_hash_table_insert (priv->members, GUINT_TO_POINTER (handle),
 388                              g_object_ref (contact));
 389         g_signal_emit_by_name (list, "members-changed", contact,
 390                                        0, 0, NULL, TRUE);
 391 }
 392
 393 static void
 394 tp_contact_list_got_added_members_cb (EmpathyTpContactFactory *factory,
 395                                       guint                    n_contacts,
 396                                       EmpathyContact * const * contacts,
 397                                       guint                    n_failed,
 398                                       const TpHandle          *failed,
 399                                       const GError            *error,
 400                                       gpointer                 user_data,
 401                                       GObject                 *list)
 402 {
 403         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 404         guint i;
 405
 406         if (error) {
 407                 DEBUG ("Error: %s", error->message);
 408                 return;
 409         }
 410
 411         for (i = 0; i < n_contacts; i++) {
 412                 EmpathyContact *contact = contacts[i];
 413                 TpHandle handle;
 414
 415                 add_to_members (EMPATHY_TP_CONTACT_LIST (list), contact);
 416
 417                 handle = empathy_contact_get_handle (contact);
 418                 /* This contact is now member, implicitly accept pending. */
 419                 if (g_hash_table_lookup (priv->pendings, GUINT_TO_POINTER (handle))) {
 420                         GArray handles = {(gchar *) &handle, 1};
 421
 422                         tp_cli_channel_interface_group_call_add_members (priv->publish,
 423                                 -1, &handles, NULL, NULL, NULL, NULL, NULL);
 424                 }
 425         }
 426 }
 427
 428 static void
 429 tp_contact_list_got_local_pending_cb (EmpathyTpContactFactory *factory,
 430                                       guint                    n_contacts,
 431                                       EmpathyContact * const * contacts,
 432                                       guint                    n_failed,
 433                                       const TpHandle          *failed,
 434                                       const GError            *error,
 435                                       gpointer                 user_data,
 436                                       GObject                 *list)
 437 {
 438         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 439         guint i;
 440
 441         if (error) {
 442                 DEBUG ("Error: %s", error->message);
 443                 return;
 444         }
 445
 446         for (i = 0; i < n_contacts; i++) {
 447                 EmpathyContact *contact = contacts[i];
 448                 TpHandle handle;
 449                 const gchar *message;
 450                 TpChannelGroupChangeReason reason;
 451
 452                 handle = empathy_contact_get_handle (contact);
 453                 if (g_hash_table_lookup (priv->members, GUINT_TO_POINTER (handle))) {
 454                         GArray handles = {(gchar *) &handle, 1};
 455
 456                         /* This contact is already member, auto accept. */
 457                         tp_cli_channel_interface_group_call_add_members (priv->publish,
 458                                 -1, &handles, NULL, NULL, NULL, NULL, NULL);
 459                 }
 460                 else if (tp_channel_group_get_local_pending_info (priv->publish,
 461                                                                   handle,
 462                                                                   NULL,
 463                                                                   &reason,
 464                                                                   &message)) {
 465                         /* Add contact to pendings */
 466                         g_hash_table_insert (priv->pendings, GUINT_TO_POINTER (handle),
 467                                              g_object_ref (contact));
 468                         g_signal_emit_by_name (list, "pendings-changed", contact,
 469                                                contact, reason, message, TRUE);
 470                 }
 471         }
 472 }
 473
 474 static void
 475 tp_contact_list_remove_handle (EmpathyTpContactList *list,
 476                                GHashTable *table,
 477                                TpHandle handle)
 478 {
 479         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 480         EmpathyContact *contact;
 481         const gchar *sig;
 482
 483         if (table == priv->pendings)
 484                 sig = "pendings-changed";
 485         else if (table == priv->members)
 486                 sig = "members-changed";
 487         else
 488                 return;
 489
 490         contact = g_hash_table_lookup (table, GUINT_TO_POINTER (handle));
 491         if (contact) {
 492                 g_object_ref (contact);
 493                 g_hash_table_remove (table, GUINT_TO_POINTER (handle));
 494                 g_signal_emit_by_name (list, sig, contact, 0, 0, NULL,
 495                                        FALSE);
 496                 g_object_unref (contact);
 497         }
 498 }
 499
 500 static void
 501 tp_contact_list_publish_group_members_changed_cb (TpChannel     *channel,
 502                                                   gchar         *message,
 503                                                   GArray        *added,
 504                                                   GArray        *removed,
 505                                                   GArray        *local_pending,
 506                                                   GArray        *remote_pending,
 507                                                   TpHandle       actor,
 508                                                   TpChannelGroupChangeReason reason,
 509                                                   EmpathyTpContactList *list)
 510 {
 511         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 512         guint i;
 513
 514         /* We now send our presence to those contacts, remove them from pendings */
 515         for (i = 0; i < added->len; i++) {
 516                 tp_contact_list_remove_handle (list, priv->pendings,
 517                         g_array_index (added, TpHandle, i));
 518         }
 519
 520         /* We refuse to send our presence to those contacts, remove from pendings */
 521         for (i = 0; i < removed->len; i++) {
 522                 tp_contact_list_remove_handle (list, priv->pendings,
 523                         g_array_index (removed, TpHandle, i));
 524         }
 525
 526         /* Those contacts want our presence, auto accept those that are already
 527          * member, otherwise add in pendings. */
 528         if (local_pending->len > 0) {
 529                 empathy_tp_contact_factory_get_from_handles (priv->factory,
 530                         local_pending->len, (TpHandle *) local_pending->data,
 531                         tp_contact_list_got_local_pending_cb, NULL, NULL,
 532                         G_OBJECT (list));
 533         }
 534 }
 535
 536 static void
 537 tp_contact_list_get_alias_flags_cb (TpConnection *connection,
 538                                     guint         flags,
 539                                     const GError *error,
 540                                     gpointer      user_data,
 541                                     GObject      *list)
 542 {
 543         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 544
 545         if (error) {
 546                 DEBUG ("Error: %s", error->message);
 547                 return;
 548         }
 549
 550         if (flags & TP_CONNECTION_ALIAS_FLAG_USER_SET) {
 551                 priv->flags |= EMPATHY_CONTACT_LIST_CAN_ALIAS;
 552         }
 553 }
 554
 555 static void
 556 tp_contact_list_get_requestablechannelclasses_cb (TpProxy      *connection,
 557                                                   const GValue *value,
 558                                                   const GError *error,
 559                                                   gpointer      user_data,
 560                                                   GObject      *list)
 561 {
 562         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 563         GPtrArray *classes;
 564         guint i;
 565
 566         if (error) {
 567                 DEBUG ("Error: %s", error->message);
 568                 return;
 569         }
 570
 571         classes = g_value_get_boxed (value);
 572         for (i = 0; i < classes->len; i++) {
 573                 GValueArray *class = g_ptr_array_index (classes, i);
 574                 GHashTable *props;
 575                 const char *channel_type;
 576                 guint handle_type;
 577
 578                 props = g_value_get_boxed (g_value_array_get_nth (class, 0));
 579
 580                 channel_type = tp_asv_get_string (props,
 581                                 TP_IFACE_CHANNEL ".ChannelType");
 582                 handle_type = tp_asv_get_uint32 (props,
 583                                 TP_IFACE_CHANNEL ".TargetHandleType", NULL);
 584
 585                 if (!tp_strdiff (channel_type, TP_IFACE_CHANNEL_TYPE_CONTACT_LIST) &&
 586                     handle_type == TP_HANDLE_TYPE_GROUP) {
 587                         DEBUG ("Got channel class for a contact group");
 588                         priv->flags |= EMPATHY_CONTACT_LIST_CAN_GROUP;
 589                         break;
 590                 }
 591         }
 592 }
 593
 594 static void
 595 tp_contact_list_subscribe_group_members_changed_cb (TpChannel     *channel,
 596                                                     gchar         *message,
 597                                                     GArray        *added,
 598                                                     GArray        *removed,
 599                                                     GArray        *local_pending,
 600                                                     GArray        *remote_pending,
 601                                                     guint          actor,
 602                                                     guint          reason,
 603                                                     EmpathyTpContactList *list)
 604 {
 605         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 606         guint i;
 607
 608         /* We now get the presence of those contacts, add them to members */
 609         if (added->len > 0) {
 610                 empathy_tp_contact_factory_get_from_handles (priv->factory,
 611                         added->len, (TpHandle *) added->data,
 612                         tp_contact_list_got_added_members_cb, NULL, NULL,
 613                         G_OBJECT (list));
 614         }
 615
 616         /* Those contacts refuse to send us their presence, remove from members. */
 617         for (i = 0; i < removed->len; i++) {
 618                 tp_contact_list_remove_handle (list, priv->members,
 619                         g_array_index (removed, TpHandle, i));
 620         }
 621
 622         /* We want those contacts in our contact list but we don't get their
 623          * presence yet. Add to members anyway. */
 624         if (remote_pending->len > 0) {
 625                 empathy_tp_contact_factory_get_from_handles (priv->factory,
 626                         remote_pending->len, (TpHandle *) remote_pending->data,
 627                         tp_contact_list_got_added_members_cb, NULL, NULL,
 628                         G_OBJECT (list));
 629         }
 630 }
 631
 632 static void
 633 tp_contact_list_new_channel_cb (TpConnection *proxy,
 634                                 const gchar  *object_path,
 635                                 const gchar  *channel_type,
 636                                 guint         handle_type,
 637                                 guint         handle,
 638                                 gboolean      suppress_handler,
 639                                 gpointer      user_data,
 640                                 GObject      *list)
 641 {
 642         tp_contact_list_group_add_channel (EMPATHY_TP_CONTACT_LIST (list),
 643                                            object_path, channel_type,
 644                                            handle_type, handle);
 645 }
 646
 647 static void
 648 tp_contact_list_list_channels_cb (TpConnection    *connection,
 649                                   const GPtrArray *channels,
 650                                   const GError    *error,
 651                                   gpointer         user_data,
 652                                   GObject         *list)
 653 {
 654         guint i;
 655
 656         if (error) {
 657                 DEBUG ("Error: %s", error->message);
 658                 return;
 659         }
 660
 661         for (i = 0; i < channels->len; i++) {
 662                 GValueArray  *chan_struct;
 663                 const gchar  *object_path;
 664                 const gchar  *channel_type;
 665                 TpHandleType  handle_type;
 666                 guint         handle;
 667
 668                 chan_struct = g_ptr_array_index (channels, i);
 669                 object_path = g_value_get_boxed (g_value_array_get_nth (chan_struct, 0));
 670                 channel_type = g_value_get_string (g_value_array_get_nth (chan_struct, 1));
 671                 handle_type = g_value_get_uint (g_value_array_get_nth (chan_struct, 2));
 672                 handle = g_value_get_uint (g_value_array_get_nth (chan_struct, 3));
 673
 674                 tp_contact_list_group_add_channel (EMPATHY_TP_CONTACT_LIST (list),
 675                                                    object_path, channel_type,
 676                                                    handle_type, handle);
 677         }
 678 }
 679
 680 static void
 681 tp_contact_list_finalize (GObject *object)
 682 {
 683         EmpathyTpContactListPriv *priv;
 684         EmpathyTpContactList     *list;
 685         GHashTableIter            iter;
 686         gpointer                  channel;
 687
 688         list = EMPATHY_TP_CONTACT_LIST (object);
 689         priv = GET_PRIV (list);
 690
 691         DEBUG ("finalize: %p", object);
 692
 693         if (priv->subscribe) {
 694                 g_object_unref (priv->subscribe);
 695         }
 696         if (priv->publish) {
 697                 g_object_unref (priv->publish);
 698         }
 699         if (priv->stored) {
 700                 g_object_unref (priv->stored);
 701         }
 702
 703         if (priv->connection) {
 704                 g_object_unref (priv->connection);
 705         }
 706
 707         if (priv->factory) {
 708                 g_object_unref (priv->factory);
 709         }
 710
 711         g_hash_table_iter_init (&iter, priv->groups);
 712         while (g_hash_table_iter_next (&iter, NULL, &channel)) {
 713                 g_signal_handlers_disconnect_by_func (channel,
 714                         tp_contact_list_group_invalidated_cb, list);
 715         }
 716
 717         g_hash_table_destroy (priv->groups);
 718         g_hash_table_destroy (priv->members);
 719         g_hash_table_destroy (priv->pendings);
 720         g_hash_table_destroy (priv->add_to_group);
 721
 722         G_OBJECT_CLASS (empathy_tp_contact_list_parent_class)->finalize (object);
 723 }
 724
 725 static gboolean
 726 received_all_list_channels (EmpathyTpContactList *self)
 727 {
 728         EmpathyTpContactListPriv *priv = GET_PRIV (self);
 729
 730         return (priv->stored != NULL && priv->publish != NULL &&
 731                 priv->subscribe != NULL);
 732 }
 733
 734 static void
 735 got_list_channel (EmpathyTpContactList *list,
 736                   TpChannel *channel)
 737 {
 738         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 739         const gchar *id;
 740
 741         /* We requested that channel by providing TargetID property, so it's
 742          * guaranteed that tp_channel_get_identifier will return it. */
 743         id = tp_channel_get_identifier (channel);
 744
 745         /* TpChannel emits initial set of members just before being ready */
 746         if (!tp_strdiff (id, "stored")) {
 747                 if (priv->stored != NULL)
 748                         return;
 749                 priv->stored = g_object_ref (channel);
 750         } else if (!tp_strdiff (id, "publish")) {
 751                 if (priv->publish != NULL)
 752                         return;
 753                 priv->publish = g_object_ref (channel);
 754                 g_signal_connect (priv->publish, "group-members-changed",
 755                                   G_CALLBACK (tp_contact_list_publish_group_members_changed_cb),
 756                                   list);
 757         } else if (!tp_strdiff (id, "subscribe")) {
 758                 if (priv->subscribe != NULL)
 759                         return;
 760                 priv->subscribe = g_object_ref (channel);
 761                 g_signal_connect (priv->subscribe, "group-members-changed",
 762                                   G_CALLBACK (tp_contact_list_subscribe_group_members_changed_cb),
 763                                   list);
 764         }
 765
 766         if (received_all_list_channels (list) && priv->new_channels_sig != NULL) {
 767                 /* We don't need to watch NewChannels anymore */
 768                 tp_proxy_signal_connection_disconnect (priv->new_channels_sig);
 769                 priv->new_channels_sig = NULL;
 770         }
 771 }
 772
 773 static void
 774 list_ensure_channel_cb (TpConnection *conn,
 775                         gboolean yours,
 776                         const gchar *path,
 777                         GHashTable *properties,
 778                         const GError *error,
 779                         gpointer user_data,
 780                         GObject *weak_object)
 781 {
 782         EmpathyTpContactList *list = user_data;
 783         TpChannel *channel;
 784
 785         if (error != NULL) {
 786                 DEBUG ("failed: %s\n", error->message);
 787                 return;
 788         }
 789
 790         channel = tp_channel_new_from_properties (conn, path, properties, NULL);
 791         got_list_channel (list, channel);
 792         g_object_unref (channel);
 793 }
 794
 795 static void
 796 new_channels_cb (TpConnection *conn,
 797                  const GPtrArray *channels,
 798                  gpointer user_data,
 799                  GObject *weak_object)
 800 {
 801         EmpathyTpContactList *list = EMPATHY_TP_CONTACT_LIST (weak_object);
 802         guint i;
 803
 804         for (i = 0; i < channels->len ; i++) {
 805                 GValueArray *arr = g_ptr_array_index (channels, i);
 806                 const gchar *path;
 807                 GHashTable *properties;
 808                 const gchar *id;
 809                 TpChannel *channel;
 810
 811                 path = g_value_get_boxed (g_value_array_get_nth (arr, 0));
 812                 properties = g_value_get_boxed (g_value_array_get_nth (arr, 1));
 813
 814                 if (tp_strdiff (tp_asv_get_string (properties,
 815                                 TP_IFACE_CHANNEL ".ChannelType"),
 816                     TP_IFACE_CHANNEL_TYPE_CONTACT_LIST))
 817                         return;
 818
 819                 if (tp_asv_get_uint32 (properties,
 820                                        TP_IFACE_CHANNEL ".TargetHandleType", NULL)
 821                     != TP_HANDLE_TYPE_LIST)
 822                         return;
 823
 824                 id = tp_asv_get_string (properties,
 825                                         TP_IFACE_CHANNEL ".TargetID");
 826                 if (id == NULL)
 827                         return;
 828
 829                 channel = tp_channel_new_from_properties (conn, path,
 830                                                           properties, NULL);
 831                 got_list_channel (list, channel);
 832                 g_object_unref (channel);
 833         }
 834 }
 835
 836 static void
 837 conn_ready_cb (TpConnection *connection,
 838                const GError *error,
 839                gpointer data)
 840 {
 841         EmpathyTpContactList *list = data;
 842         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 843         GHashTable *request;
 844
 845         if (error != NULL) {
 846                 DEBUG ("failed: %s", error->message);
 847                 goto out;
 848         }
 849
 850         request = tp_asv_new (
 851                 TP_IFACE_CHANNEL ".ChannelType", G_TYPE_STRING, TP_IFACE_CHANNEL_TYPE_CONTACT_LIST,
 852                 TP_IFACE_CHANNEL ".TargetHandleType", G_TYPE_UINT, TP_HANDLE_TYPE_LIST,
 853                 NULL);
 854
 855         /* Watch the NewChannels signal so if ensuring list channels fails (for
 856          * example because the server is slow and the D-Bus call timeouts before CM
 857          * fetches the roster), we have a chance to get them later. */
 858         priv->new_channels_sig =
 859           tp_cli_connection_interface_requests_connect_to_new_channels (
 860                 priv->connection, new_channels_cb, NULL, NULL, G_OBJECT (list), NULL);
 861
 862         /* Request the 'stored' list. */
 863         tp_asv_set_static_string (request, TP_IFACE_CHANNEL ".TargetID", "stored");
 864         tp_cli_connection_interface_requests_call_ensure_channel (priv->connection,
 865                 -1, request, list_ensure_channel_cb, list, NULL, G_OBJECT (list));
 866
 867         /* Request the 'publish' list. */
 868         tp_asv_set_static_string (request, TP_IFACE_CHANNEL ".TargetID", "publish");
 869         tp_cli_connection_interface_requests_call_ensure_channel (priv->connection,
 870                 -1, request, list_ensure_channel_cb, list, NULL, G_OBJECT (list));
 871
 872         /* Request the 'subscribe' list. */
 873         tp_asv_set_static_string (request, TP_IFACE_CHANNEL ".TargetID", "subscribe");
 874         tp_cli_connection_interface_requests_call_ensure_channel (priv->connection,
 875                 -1, request, list_ensure_channel_cb, list, NULL, G_OBJECT (list));
 876
 877         g_hash_table_unref (request);
 878 out:
 879         g_object_unref (list);
 880 }
 881
 882 static void
 883 tp_contact_list_constructed (GObject *list)
 884 {
 885         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 886
 887         priv->factory = empathy_tp_contact_factory_dup_singleton (priv->connection);
 888
 889         /* call GetAliasFlags */
 890         if (tp_proxy_has_interface_by_id (priv->connection,
 891                                 TP_IFACE_QUARK_CONNECTION_INTERFACE_ALIASING)) {
 892                 tp_cli_connection_interface_aliasing_call_get_alias_flags (
 893                                 priv->connection,
 894                                 -1,
 895                                 tp_contact_list_get_alias_flags_cb,
 896                                 NULL, NULL,
 897                                 G_OBJECT (list));
 898         }
 899
 900         /* lookup RequestableChannelClasses */
 901         if (tp_proxy_has_interface_by_id (priv->connection,
 902                                 TP_IFACE_QUARK_CONNECTION_INTERFACE_REQUESTS)) {
 903                 tp_cli_dbus_properties_call_get (priv->connection,
 904                                 -1,
 905                                 TP_IFACE_CONNECTION_INTERFACE_REQUESTS,
 906                                 "RequestableChannelClasses",
 907                                 tp_contact_list_get_requestablechannelclasses_cb,
 908                                 NULL, NULL,
 909                                 G_OBJECT (list));
 910         } else {
 911                 /* we just don't know... better mark the flag just in case */
 912                 priv->flags |= EMPATHY_CONTACT_LIST_CAN_GROUP;
 913         }
 914
 915         tp_connection_call_when_ready (priv->connection, conn_ready_cb,
 916                 g_object_ref (list));
 917
 918         tp_cli_connection_call_list_channels (priv->connection, -1,
 919                                               tp_contact_list_list_channels_cb,
 920                                               NULL, NULL,
 921                                               list);
 922
 923         tp_cli_connection_connect_to_new_channel (priv->connection,
 924                                                   tp_contact_list_new_channel_cb,
 925                                                   NULL, NULL,
 926                                                   list, NULL);
 927 }
 928
 929 static void
 930 tp_contact_list_get_property (GObject    *object,
 931                               guint       param_id,
 932                               GValue     *value,
 933                               GParamSpec *pspec)
 934 {
 935         EmpathyTpContactListPriv *priv = GET_PRIV (object);
 936
 937         switch (param_id) {
 938         case PROP_CONNECTION:
 939                 g_value_set_object (value, priv->connection);
 940                 break;
 941         default:
 942                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 943                 break;
 944         };
 945 }
 946
 947 static void
 948 tp_contact_list_set_property (GObject      *object,
 949                               guint         param_id,
 950                               const GValue *value,
 951                               GParamSpec   *pspec)
 952 {
 953         EmpathyTpContactListPriv *priv = GET_PRIV (object);
 954
 955         switch (param_id) {
 956         case PROP_CONNECTION:
 957                 priv->connection = g_value_dup_object (value);
 958                 break;
 959         default:
 960                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 961                 break;
 962         };
 963 }
 964
 965 static void
 966 empathy_tp_contact_list_class_init (EmpathyTpContactListClass *klass)
 967 {
 968         GObjectClass *object_class = G_OBJECT_CLASS (klass);
 969
 970         object_class->finalize = tp_contact_list_finalize;
 971         object_class->constructed = tp_contact_list_constructed;
 972         object_class->get_property = tp_contact_list_get_property;
 973         object_class->set_property = tp_contact_list_set_property;
 974
 975         g_object_class_install_property (object_class,
 976                                          PROP_CONNECTION,
 977                                          g_param_spec_object ("connection",
 978                                                               "The Connection",
 979                                                               "The connection associated with the contact list",
 980                                                               TP_TYPE_CONNECTION,
 981                                                               G_PARAM_READWRITE |
 982                                                               G_PARAM_CONSTRUCT_ONLY));
 983
 984         g_type_class_add_private (object_class, sizeof (EmpathyTpContactListPriv));
 985 }
 986
 987 static void
 988 tp_contact_list_array_free (gpointer handles)
 989 {
 990         g_array_free (handles, TRUE);
 991 }
 992
 993 static void
 994 empathy_tp_contact_list_init (EmpathyTpContactList *list)
 995 {
 996         EmpathyTpContactListPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (list,
 997                 EMPATHY_TYPE_TP_CONTACT_LIST, EmpathyTpContactListPriv);
 998
 999         list->priv = priv;
1000
1001         /* Map group's name to group's TpChannel. The group name string is owned
1002          * by the TpChannel object */
1003         priv->groups = g_hash_table_new_full (g_str_hash, g_str_equal,
1004                                               NULL,
1005                                               (GDestroyNotify) g_object_unref);
1006
1007         /* Map contact's handle to EmpathyContact object */
1008         priv->members = g_hash_table_new_full (g_direct_hash, g_direct_equal,
1009                                                NULL,
1010                                                (GDestroyNotify) g_object_unref);
1011
1012         /* Map contact's handle to EmpathyContact object */
1013         priv->pendings = g_hash_table_new_full (g_direct_hash, g_direct_equal,
1014                                                 NULL,
1015                                                 (GDestroyNotify) g_object_unref);
1016
1017         /* Map group's name to GArray of handle */
1018         priv->add_to_group = g_hash_table_new_full (g_str_hash, g_str_equal,
1019                                                     g_free,
1020                                                     tp_contact_list_array_free);
1021 }
1022
1023 EmpathyTpContactList *
1024 empathy_tp_contact_list_new (TpConnection *connection)
1025 {
1026         return g_object_new (EMPATHY_TYPE_TP_CONTACT_LIST,
1027                              "connection", connection,
1028                              NULL);
1029 }
1030
1031 TpConnection *
1032 empathy_tp_contact_list_get_connection (EmpathyTpContactList *list)
1033 {
1034         EmpathyTpContactListPriv *priv;
1035
1036         g_return_val_if_fail (EMPATHY_IS_TP_CONTACT_LIST (list), NULL);
1037
1038         priv = GET_PRIV (list);
1039
1040         return priv->connection;
1041 }
1042
1043 static void
1044 tp_contact_list_add (EmpathyContactList *list,
1045                      EmpathyContact     *contact,
1046                      const gchar        *message)
1047 {
1048         EmpathyTpContactListPriv *priv = GET_PRIV (list);
1049         TpHandle handle;
1050         GArray handles = {(gchar *) &handle, 1};
1051
1052         handle = empathy_contact_get_handle (contact);
1053         if (priv->subscribe) {
1054                 tp_cli_channel_interface_group_call_add_members (priv->subscribe,
1055                         -1, &handles, message, NULL, NULL, NULL, NULL);
1056         }
1057         if (priv->publish) {
1058                 TpChannelGroupFlags flags = tp_channel_group_get_flags (priv->subscribe);
1059                 if (flags & TP_CHANNEL_GROUP_FLAG_CAN_ADD ||
1060                     g_hash_table_lookup (priv->pendings, GUINT_TO_POINTER (handle))) {
1061                         tp_cli_channel_interface_group_call_add_members (priv->publish,
1062                                 -1, &handles, message, NULL, NULL, NULL, NULL);
1063                 }
1064         }
1065 }
1066
1067 static void
1068 tp_contact_list_remove (EmpathyContactList *list,
1069                         EmpathyContact     *contact,
1070                         const gchar        *message)
1071 {
1072         EmpathyTpContactListPriv *priv = GET_PRIV (list);
1073         TpHandle handle;
1074         GArray handles = {(gchar *) &handle, 1};
1075
1076         handle = empathy_contact_get_handle (contact);
1077
1078         /* FIXME: this is racy if tp_contact_list_remove is called before the
1079          * 'stored' list has been retrieved. */
1080         if (priv->stored != NULL) {
1081                 tp_cli_channel_interface_group_call_remove_members (priv->stored,
1082                         -1, &handles, message, NULL, NULL, NULL, NULL);
1083         }
1084
1085         if (priv->subscribe) {
1086                 tp_cli_channel_interface_group_call_remove_members (priv->subscribe,
1087                         -1, &handles, message, NULL, NULL, NULL, NULL);
1088         }
1089         if (priv->publish) {
1090                 tp_cli_channel_interface_group_call_remove_members (priv->publish,
1091                         -1, &handles, message, NULL, NULL, NULL, NULL);
1092         }
1093 }
1094
1095 static GList *
1096 tp_contact_list_get_members (EmpathyContactList *list)
1097 {
1098         EmpathyTpContactListPriv *priv = GET_PRIV (list);
1099         GList *ret;
1100
1101         ret = g_hash_table_get_values (priv->members);
1102         g_list_foreach (ret, (GFunc) g_object_ref, NULL);
1103         return ret;
1104 }
1105
1106 static GList *
1107 tp_contact_list_get_pendings (EmpathyContactList *list)
1108 {
1109         EmpathyTpContactListPriv *priv = GET_PRIV (list);
1110         GList *ret;
1111
1112         ret = g_hash_table_get_values (priv->pendings);
1113         g_list_foreach (ret, (GFunc) g_object_ref, NULL);
1114         return ret;
1115 }
1116
1117 static GList *
1118 tp_contact_list_get_all_groups (EmpathyContactList *list)
1119 {
1120         EmpathyTpContactListPriv *priv = GET_PRIV (list);
1121         GList                    *ret, *l;
1122
1123         ret = g_hash_table_get_keys (priv->groups);
1124         for (l = ret; l; l = l->next) {
1125                 l->data = g_strdup (l->data);
1126         }
1127
1128         return ret;
1129 }
1130
1131 static GList *
1132 tp_contact_list_get_groups (EmpathyContactList *list,
1133                             EmpathyContact     *contact)
1134 {
1135         EmpathyTpContactListPriv  *priv = GET_PRIV (list);
1136         GList                     *ret = NULL;
1137         GHashTableIter             iter;
1138         gpointer                   group_name;
1139         gpointer                   channel;
1140         TpHandle                   handle;
1141
1142         handle = empathy_contact_get_handle (contact);
1143         g_hash_table_iter_init (&iter, priv->groups);
1144         while (g_hash_table_iter_next (&iter, &group_name, &channel)) {
1145                 const TpIntSet *members;
1146
1147                 members = tp_channel_group_get_members (channel);
1148                 if (tp_intset_is_member (members, handle)) {
1149                         ret = g_list_prepend (ret, g_strdup (group_name));
1150                 }
1151         }
1152
1153         return ret;
1154 }
1155
1156 static void
1157 tp_contact_list_add_to_group (EmpathyContactList *list,
1158                               EmpathyContact     *contact,
1159                               const gchar        *group_name)
1160 {
1161         TpHandle handle;
1162         GArray *handles;
1163
1164         handle = empathy_contact_get_handle (contact);
1165         handles = g_array_sized_new (FALSE, FALSE, sizeof (TpHandle), 1);
1166         g_array_append_val (handles, handle);
1167         tp_contact_list_group_add (EMPATHY_TP_CONTACT_LIST (list),
1168                                    group_name, handles);
1169 }
1170
1171 static void
1172 tp_contact_list_remove_from_group (EmpathyContactList *list,
1173                                    EmpathyContact     *contact,
1174                                    const gchar        *group_name)
1175 {
1176         EmpathyTpContactListPriv *priv = GET_PRIV (list);
1177         TpChannel                *channel;
1178         TpHandle                  handle;
1179         GArray                    handles = {(gchar *) &handle, 1};
1180
1181         channel = g_hash_table_lookup (priv->groups, group_name);
1182         if (channel == NULL) {
1183                 return;
1184         }
1185
1186         handle = empathy_contact_get_handle (contact);
1187         DEBUG ("remove contact %s (%d) from group %s",
1188                 empathy_contact_get_id (contact), handle, group_name);
1189
1190         tp_cli_channel_interface_group_call_remove_members (channel, -1,
1191                 &handles, NULL, NULL, NULL, NULL, NULL);
1192 }
1193
1194 static void
1195 tp_contact_list_rename_group (EmpathyContactList *list,
1196                               const gchar        *old_group_name,
1197                               const gchar        *new_group_name)
1198 {
1199         EmpathyTpContactListPriv *priv = GET_PRIV (list);
1200         TpChannel                *channel;
1201         const TpIntSet           *members;
1202         GArray                   *handles;
1203
1204         channel = g_hash_table_lookup (priv->groups, old_group_name);
1205         if (channel == NULL) {
1206                 return;
1207         }
1208
1209         DEBUG ("rename group %s to %s", old_group_name, new_group_name);
1210
1211         /* Remove all members and close the old channel */
1212         members = tp_channel_group_get_members (channel);
1213         handles = tp_intset_to_array (members);
1214         tp_cli_channel_interface_group_call_remove_members (channel, -1,
1215                 handles, NULL, NULL, NULL, NULL, NULL);
1216         tp_cli_channel_call_close (channel, -1, NULL, NULL, NULL, NULL);
1217
1218         tp_contact_list_group_add (EMPATHY_TP_CONTACT_LIST (list),
1219                                    new_group_name, handles);
1220 }
1221
1222 static void
1223 tp_contact_list_remove_group (EmpathyContactList *list,
1224                               const gchar *group_name)
1225 {
1226         EmpathyTpContactListPriv *priv = GET_PRIV (list);
1227         TpChannel                *channel;
1228         const TpIntSet           *members;
1229         GArray                   *handles;
1230
1231         channel = g_hash_table_lookup (priv->groups, group_name);
1232         if (channel == NULL) {
1233                 return;
1234         }
1235
1236         DEBUG ("remove group %s", group_name);
1237
1238         /* Remove all members and close the channel */
1239         members = tp_channel_group_get_members (channel);
1240         handles = tp_intset_to_array (members);
1241         tp_cli_channel_interface_group_call_remove_members (channel, -1,
1242                 handles, NULL, NULL, NULL, NULL, NULL);
1243         tp_cli_channel_call_close (channel, -1, NULL, NULL, NULL, NULL);
1244         g_array_free (handles, TRUE);
1245 }
1246
1247 static EmpathyContactListFlags
1248 tp_contact_list_get_flags (EmpathyContactList *list)
1249 {
1250         EmpathyTpContactListPriv *priv;
1251         EmpathyContactListFlags flags;
1252
1253         g_return_val_if_fail (EMPATHY_IS_TP_CONTACT_LIST (list), FALSE);
1254
1255         priv = GET_PRIV (list);
1256         flags = priv->flags;
1257
1258         if (priv->subscribe != NULL) {
1259                 TpChannelGroupFlags group_flags;
1260
1261                 group_flags = tp_channel_group_get_flags (priv->subscribe);
1262
1263                 if (group_flags & TP_CHANNEL_GROUP_FLAG_CAN_ADD) {
1264                         flags |= EMPATHY_CONTACT_LIST_CAN_ADD;
1265                 }
1266
1267                 if (group_flags & TP_CHANNEL_GROUP_FLAG_CAN_REMOVE) {
1268                         flags |= EMPATHY_CONTACT_LIST_CAN_REMOVE;
1269                 }
1270         }
1271
1272         return flags;
1273 }
1274
1275 static void
1276 tp_contact_list_iface_init (EmpathyContactListIface *iface)
1277 {
1278         iface->add               = tp_contact_list_add;
1279         iface->remove            = tp_contact_list_remove;
1280         iface->get_members       = tp_contact_list_get_members;
1281         iface->get_pendings      = tp_contact_list_get_pendings;
1282         iface->get_all_groups    = tp_contact_list_get_all_groups;
1283         iface->get_groups        = tp_contact_list_get_groups;
1284         iface->add_to_group      = tp_contact_list_add_to_group;
1285         iface->remove_from_group = tp_contact_list_remove_from_group;
1286         iface->rename_group      = tp_contact_list_rename_group;
1287         iface->remove_group      = tp_contact_list_remove_group;
1288         iface->get_flags         = tp_contact_list_get_flags;
1289 }
1290
1291 void
1292 empathy_tp_contact_list_remove_all (EmpathyTpContactList *list)
1293 {
1294         EmpathyTpContactListPriv *priv = GET_PRIV (list);
1295         GHashTableIter            iter;
1296         gpointer                  contact;
1297
1298         g_return_if_fail (EMPATHY_IS_TP_CONTACT_LIST (list));
1299
1300         /* Remove all contacts */
1301         g_hash_table_iter_init (&iter, priv->members);
1302         while (g_hash_table_iter_next (&iter, NULL, &contact)) {
1303                 g_signal_emit_by_name (list, "members-changed", contact,
1304                                        NULL, 0, NULL,
1305                                        FALSE);
1306         }
1307         g_hash_table_remove_all (priv->members);
1308
1309         g_hash_table_iter_init (&iter, priv->pendings);
1310         while (g_hash_table_iter_next (&iter, NULL, &contact)) {
1311                 g_signal_emit_by_name (list, "pendings-changed", contact,
1312                                        NULL, 0, NULL,
1313                                        FALSE);
1314         }
1315         g_hash_table_remove_all (priv->pendings);
1316 }
1317