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         TpConnection   *connection;
  45
  46         TpChannel      *publish;
  47         TpChannel      *subscribe;
  48         TpChannel      *stored;
  49         /* contact handle (TpHandle) => reffed (EmpathyContact *)
  50          *
  51          * Union of:
  52          *  - members of 'subscribe': we receive their presence
  53          *  - RP of 'subscribe': we asked to receive their presence
  54          *  - members of 'publish': we send them our presence
  55          *  - members of 'stored': they are in our roster
  56          */
  57         GHashTable     *members;
  58         /* contact handle (TpHandle) => reffed (EmpathyContact *)
  59          *
  60          * Contacts which are local-pending in the publish channel but are NOT in
  61          * the members hash table: they asked to receive our presence and we don't
  62          * receive theirs or asked to.
  63          * That's basically the contacts which asked to add us to their contact
  64          * list and we didn't answer it. */
  65         GHashTable     *pendings;
  66         /* group name: borrowed (const gchar *)  => reffed (TpChannel *) */
  67         GHashTable     *groups;
  68         /* group name: owned (gchar *) => owned GArray of TpHandle */
  69         GHashTable     *add_to_group;
  70
  71         EmpathyContactListFlags flags;
  72 } EmpathyTpContactListPriv;
  73
  74 typedef enum {
  75         TP_CONTACT_LIST_TYPE_PUBLISH,
  76         TP_CONTACT_LIST_TYPE_SUBSCRIBE,
  77         TP_CONTACT_LIST_TYPE_UNKNOWN
  78 } TpContactListType;
  79
  80 static void tp_contact_list_iface_init         (EmpathyContactListIface   *iface);
  81
  82 enum {
  83         PROP_0,
  84         PROP_CONNECTION,
  85 };
  86
  87 G_DEFINE_TYPE_WITH_CODE (EmpathyTpContactList, empathy_tp_contact_list, G_TYPE_OBJECT,
  88                          G_IMPLEMENT_INTERFACE (EMPATHY_TYPE_CONTACT_LIST,
  89                                                 tp_contact_list_iface_init));
  90
  91 static void
  92 tp_contact_list_forget_group (EmpathyTpContactList *list,
  93                               TpChannel *channel)
  94 {
  95         EmpathyTpContactListPriv *priv = GET_PRIV (list);
  96         const TpIntSet *members;
  97         TpIntSetIter iter;
  98         const gchar *group_name;
  99
 100         group_name = tp_channel_get_identifier (channel);
 101
 102         /* Signal that all members are not in that group anymore */
 103         members = tp_channel_group_get_members (channel);
 104         tp_intset_iter_init (&iter, members);
 105         while (tp_intset_iter_next (&iter)) {
 106                 EmpathyContact *contact;
 107
 108                 contact = g_hash_table_lookup (priv->members,
 109                                                GUINT_TO_POINTER (iter.element));
 110                 if (contact == NULL) {
 111                         continue;
 112                 }
 113
 114                 DEBUG ("Contact %s (%d) removed from group %s",
 115                         empathy_contact_get_id (contact), iter.element,
 116                         group_name);
 117                 g_signal_emit_by_name (list, "groups-changed", contact,
 118                                        group_name,
 119                                        FALSE);
 120         }
 121 }
 122
 123 static void
 124 tp_contact_list_group_invalidated_cb (TpChannel *channel,
 125                                       guint      domain,
 126                                       gint       code,
 127                                       gchar     *message,
 128                                       EmpathyTpContactList *list)
 129 {
 130         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 131         const gchar *group_name;
 132
 133         group_name = tp_channel_get_identifier (channel);
 134         DEBUG ("Group %s invalidated. Message: %s", group_name, message);
 135
 136         tp_contact_list_forget_group (list, channel);
 137
 138         g_hash_table_remove (priv->groups, group_name);
 139 }
 140
 141 static void
 142 contacts_added_to_group (EmpathyTpContactList *list,
 143                          TpChannel *channel,
 144                          GArray *added)
 145 {
 146         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 147         const gchar *group_name;
 148         guint i;
 149
 150         group_name = tp_channel_get_identifier (channel);
 151
 152         for (i = 0; i < added->len; i++) {
 153                 EmpathyContact *contact;
 154                 TpHandle handle;
 155
 156                 handle = g_array_index (added, TpHandle, i);
 157                 contact = g_hash_table_lookup (priv->members,
 158                                                GUINT_TO_POINTER (handle));
 159                 if (contact == NULL) {
 160                         continue;
 161                 }
 162
 163                 DEBUG ("Contact %s (%d) added to group %s",
 164                         empathy_contact_get_id (contact), handle, group_name);
 165                 g_signal_emit_by_name (list, "groups-changed", contact,
 166                                        group_name,
 167                                        TRUE);
 168         }
 169 }
 170
 171 static void
 172 tp_contact_list_group_members_changed_cb (TpChannel     *channel,
 173                                           gchar         *message,
 174                                           GArray        *added,
 175                                           GArray        *removed,
 176                                           GArray        *local_pending,
 177                                           GArray        *remote_pending,
 178                                           guint          actor,
 179                                           guint          reason,
 180                                           EmpathyTpContactList *list)
 181 {
 182         EmpathyTpContactListPriv  *priv = GET_PRIV (list);
 183         const gchar *group_name;
 184         guint i;
 185
 186         contacts_added_to_group (list, channel, added);
 187
 188         group_name = tp_channel_get_identifier (channel);
 189
 190         for (i = 0; i < removed->len; i++) {
 191                 EmpathyContact *contact;
 192                 TpHandle handle;
 193
 194                 handle = g_array_index (removed, TpHandle, i);
 195                 contact = g_hash_table_lookup (priv->members,
 196                                                GUINT_TO_POINTER (handle));
 197                 if (contact == NULL) {
 198                         continue;
 199                 }
 200
 201                 DEBUG ("Contact %s (%d) removed from group %s",
 202                         empathy_contact_get_id (contact), handle, group_name);
 203
 204                 g_signal_emit_by_name (list, "groups-changed", contact,
 205                                        group_name,
 206                                        FALSE);
 207         }
 208 }
 209
 210 static void
 211 tp_contact_list_group_ready_cb (TpChannel *channel,
 212                                 const GError *error,
 213                                 gpointer list)
 214 {
 215         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 216         TpChannel *old_group;
 217         const gchar *group_name;
 218         const TpIntSet *members;
 219         GArray *arr;
 220
 221         if (error) {
 222                 DEBUG ("Error: %s", error->message);
 223                 g_object_unref (channel);
 224                 return;
 225         }
 226
 227         group_name = tp_channel_get_identifier (channel);
 228
 229         /* If there's already a group with this name in the table, we can't
 230          * just let it be replaced. Replacing it causes it to be unreffed,
 231          * which causes it to be invalidated (see
 232          * <https://bugs.freedesktop.org/show_bug.cgi?id=22119>), which causes
 233          * it to be removed from the hash table again, which causes it to be
 234          * unreffed again.
 235          */
 236         old_group = g_hash_table_lookup (priv->groups, group_name);
 237
 238         if (old_group != NULL) {
 239                 DEBUG ("Discarding old group %s (%p)", group_name, old_group);
 240                 g_hash_table_steal (priv->groups, group_name);
 241                 tp_contact_list_forget_group (list, old_group);
 242                 g_object_unref (old_group);
 243         }
 244
 245         /* Pass the reference on the TpChannel to priv->groups */
 246         g_hash_table_insert (priv->groups, (gpointer) group_name, channel);
 247         DEBUG ("Group %s added", group_name);
 248
 249         g_signal_connect (channel, "group-members-changed",
 250                           G_CALLBACK (tp_contact_list_group_members_changed_cb),
 251                           list);
 252
 253         g_signal_connect (channel, "invalidated",
 254                           G_CALLBACK (tp_contact_list_group_invalidated_cb),
 255                           list);
 256
 257         if (priv->add_to_group) {
 258                 GArray *handles;
 259
 260                 handles = g_hash_table_lookup (priv->add_to_group, group_name);
 261                 if (handles) {
 262                         DEBUG ("Adding initial members to group %s", group_name);
 263                         tp_cli_channel_interface_group_call_add_members (channel,
 264                                 -1, handles, NULL, NULL, NULL, NULL, NULL);
 265                         g_hash_table_remove (priv->add_to_group, group_name);
 266                 }
 267         }
 268
 269         /* Get initial members of the group */
 270         members = tp_channel_group_get_members (channel);
 271         g_assert (members != NULL);
 272         arr = tp_intset_to_array (members);
 273         contacts_added_to_group (list, channel, arr);
 274         g_array_free (arr, TRUE);
 275 }
 276
 277 static void
 278 tp_contact_list_group_add_channel (EmpathyTpContactList *list,
 279                                    const gchar          *object_path,
 280                                    GHashTable           *properties)
 281 {
 282         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 283         TpChannel                *channel;
 284         GError *error = NULL;
 285
 286         channel = tp_channel_new_from_properties (priv->connection,
 287                                   object_path, properties, &error);
 288         if (channel == NULL) {
 289                 DEBUG ("Failed to create group channel: %s", error->message);
 290                 g_error_free (error);
 291                 return;
 292         }
 293
 294         /* Give the ref to the callback */
 295         tp_channel_call_when_ready (channel,
 296                                     tp_contact_list_group_ready_cb,
 297                                     list);
 298 }
 299
 300 static void
 301 tp_contact_list_group_request_channel_cb (TpConnection *connection,
 302                                           const gchar  *object_path,
 303                                           const GError *error,
 304                                           gpointer      user_data,
 305                                           GObject      *list)
 306 {
 307         /* The new channel will be handled in NewChannel cb. Here we only
 308          * handle the error if RequestChannel failed */
 309         if (error) {
 310                 DEBUG ("Error: %s", error->message);
 311                 return;
 312         }
 313 }
 314
 315 static void
 316 tp_contact_list_group_request_handles_cb (TpConnection *connection,
 317                                           const GArray *handles,
 318                                           const GError *error,
 319                                           gpointer      user_data,
 320                                           GObject      *list)
 321 {
 322         TpHandle channel_handle;
 323
 324         if (error) {
 325                 DEBUG ("Error: %s", error->message);
 326                 return;
 327         }
 328
 329         channel_handle = g_array_index (handles, TpHandle, 0);
 330         tp_cli_connection_call_request_channel (connection, -1,
 331                                                 TP_IFACE_CHANNEL_TYPE_CONTACT_LIST,
 332                                                 TP_HANDLE_TYPE_GROUP,
 333                                                 channel_handle,
 334                                                 TRUE,
 335                                                 tp_contact_list_group_request_channel_cb,
 336                                                 NULL, NULL,
 337                                                 list);
 338 }
 339
 340 /* This function takes ownership of handles array */
 341 static void
 342 tp_contact_list_group_add (EmpathyTpContactList *list,
 343                            const gchar          *group_name,
 344                            GArray               *handles)
 345 {
 346         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 347         TpChannel                *channel;
 348         const gchar              *names[] = {group_name, NULL};
 349
 350         /* Search the channel for that group name */
 351         channel = g_hash_table_lookup (priv->groups, group_name);
 352         if (channel) {
 353                 tp_cli_channel_interface_group_call_add_members (channel, -1,
 354                         handles, NULL, NULL, NULL, NULL, NULL);
 355                 g_array_free (handles, TRUE);
 356                 return;
 357         }
 358
 359         /* That group does not exist yet, we have to:
 360          * 1) Request an handle for the group name
 361          * 2) Request a channel
 362          * 3) When NewChannel is emitted, add handles in members
 363          */
 364         g_hash_table_insert (priv->add_to_group,
 365                              g_strdup (group_name),
 366                              handles);
 367         tp_cli_connection_call_request_handles (priv->connection, -1,
 368                                                 TP_HANDLE_TYPE_GROUP, names,
 369                                                 tp_contact_list_group_request_handles_cb,
 370                                                 NULL, NULL,
 371                                                 G_OBJECT (list));
 372 }
 373
 374 static void
 375 got_added_members_cb (TpConnection            *connection,
 376                       guint                    n_contacts,
 377                       EmpathyContact * const * contacts,
 378                       guint                    n_failed,
 379                       const TpHandle          *failed,
 380                       const GError            *error,
 381                       gpointer                 user_data,
 382                       GObject                 *list)
 383 {
 384         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 385         guint i;
 386
 387         if (error) {
 388                 DEBUG ("Error: %s", error->message);
 389                 return;
 390         }
 391
 392         for (i = 0; i < n_contacts; i++) {
 393                 EmpathyContact *contact = contacts[i];
 394                 TpHandle handle = empathy_contact_get_handle (contact);
 395
 396                 if (g_hash_table_lookup (priv->members, GUINT_TO_POINTER (handle)))
 397                         continue;
 398
 399                 /* Add to the list and emit signal */
 400                 g_hash_table_insert (priv->members, GUINT_TO_POINTER (handle),
 401                                      g_object_ref (contact));
 402                 g_signal_emit_by_name (list, "members-changed", contact,
 403                                        0, 0, NULL, TRUE);
 404         }
 405 }
 406
 407 static void
 408 add_to_members (EmpathyTpContactList *list,
 409                 GArray *handles)
 410 {
 411         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 412         GArray *request;
 413         guint i;
 414
 415         if (handles->len == 0)
 416                 return;
 417
 418         request = g_array_new (FALSE, FALSE, sizeof (TpHandle));
 419
 420         for (i = 0; i < handles->len; i++) {
 421                 TpHandle handle = g_array_index (handles, TpHandle, i);
 422
 423                 if (g_hash_table_lookup (priv->members, GUINT_TO_POINTER (handle)))
 424                         continue;
 425
 426                 g_array_append_val (request, handle);
 427         }
 428
 429         if (request->len > 0) {
 430                         empathy_tp_contact_factory_get_from_handles (priv->connection,
 431                                 request->len, (TpHandle *) request->data,
 432                                 got_added_members_cb, NULL, NULL, G_OBJECT (list));
 433         }
 434
 435         g_array_free (request, TRUE);
 436 }
 437
 438 static void
 439 tp_contact_list_got_local_pending_cb (TpConnection            *connection,
 440                                       guint                    n_contacts,
 441                                       EmpathyContact * const * contacts,
 442                                       guint                    n_failed,
 443                                       const TpHandle          *failed,
 444                                       const GError            *error,
 445                                       gpointer                 user_data,
 446                                       GObject                 *list)
 447 {
 448         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 449         guint i;
 450
 451         if (error) {
 452                 DEBUG ("Error: %s", error->message);
 453                 return;
 454         }
 455
 456         for (i = 0; i < n_contacts; i++) {
 457                 EmpathyContact *contact = contacts[i];
 458                 TpHandle handle;
 459                 const gchar *message;
 460                 TpChannelGroupChangeReason reason;
 461
 462                 handle = empathy_contact_get_handle (contact);
 463                 if (g_hash_table_lookup (priv->members, GUINT_TO_POINTER (handle))) {
 464                         GArray handles = {(gchar *) &handle, 1};
 465
 466                         /* This contact is already member, auto accept. */
 467                         tp_cli_channel_interface_group_call_add_members (priv->publish,
 468                                 -1, &handles, NULL, NULL, NULL, NULL, NULL);
 469                 }
 470                 else if (tp_channel_group_get_local_pending_info (priv->publish,
 471                                                                   handle,
 472                                                                   NULL,
 473                                                                   &reason,
 474                                                                   &message)) {
 475                         /* Add contact to pendings */
 476                         g_hash_table_insert (priv->pendings, GUINT_TO_POINTER (handle),
 477                                              g_object_ref (contact));
 478                         g_signal_emit_by_name (list, "pendings-changed", contact,
 479                                                contact, reason, message, TRUE);
 480                 }
 481         }
 482 }
 483
 484 static void
 485 tp_contact_list_remove_handle (EmpathyTpContactList *list,
 486                                GHashTable *table,
 487                                TpHandle handle)
 488 {
 489         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 490         EmpathyContact *contact;
 491         const gchar *sig;
 492
 493         if (table == priv->pendings)
 494                 sig = "pendings-changed";
 495         else if (table == priv->members)
 496                 sig = "members-changed";
 497         else
 498                 return;
 499
 500         contact = g_hash_table_lookup (table, GUINT_TO_POINTER (handle));
 501         if (contact) {
 502                 g_object_ref (contact);
 503                 g_hash_table_remove (table, GUINT_TO_POINTER (handle));
 504                 g_signal_emit_by_name (list, sig, contact, 0, 0, NULL,
 505                                        FALSE);
 506                 g_object_unref (contact);
 507         }
 508 }
 509
 510 static void
 511 remove_from_member_if_needed (EmpathyTpContactList *list,
 512                               TpHandle handle)
 513 {
 514         /* remove contact from members if it's not in publish and subscribe */
 515         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 516         const TpIntSet *members;
 517
 518         members = tp_channel_group_get_members (priv->subscribe);
 519         if (tp_intset_is_member (members, handle))
 520                 return;
 521
 522         members = tp_channel_group_get_remote_pending (priv->subscribe);
 523         if (tp_intset_is_member (members, handle))
 524                 return;
 525
 526         members = tp_channel_group_get_members (priv->publish);
 527         if (tp_intset_is_member (members, handle))
 528                 return;
 529
 530         tp_contact_list_remove_handle (list, priv->members, handle);
 531 }
 532
 533 static void
 534 tp_contact_list_publish_group_members_changed_cb (TpChannel     *channel,
 535                                                   gchar         *message,
 536                                                   GArray        *added,
 537                                                   GArray        *removed,
 538                                                   GArray        *local_pending,
 539                                                   GArray        *remote_pending,
 540                                                   TpHandle       actor,
 541                                                   TpChannelGroupChangeReason reason,
 542                                                   EmpathyTpContactList *list)
 543 {
 544         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 545         guint i;
 546
 547         /* We now send our presence to those contacts, remove them from pendings */
 548         add_to_members (list, added);
 549         for (i = 0; i < added->len; i++) {
 550                 tp_contact_list_remove_handle (list, priv->pendings,
 551                         g_array_index (added, TpHandle, i));
 552         }
 553
 554         /* We refuse to send our presence to those contacts, remove from pendings */
 555         for (i = 0; i < removed->len; i++) {
 556                 TpHandle handle = g_array_index (removed, TpHandle, i);
 557
 558                 tp_contact_list_remove_handle (list, priv->pendings, handle);
 559                 remove_from_member_if_needed (list, handle);
 560         }
 561
 562         /* Those contacts want our presence, auto accept those that are already
 563          * member, otherwise add in pendings. */
 564         if (local_pending->len > 0) {
 565                 empathy_tp_contact_factory_get_from_handles (priv->connection,
 566                         local_pending->len, (TpHandle *) local_pending->data,
 567                         tp_contact_list_got_local_pending_cb, NULL, NULL,
 568                         G_OBJECT (list));
 569         }
 570 }
 571
 572 static void
 573 tp_contact_list_get_alias_flags_cb (TpConnection *connection,
 574                                     guint         flags,
 575                                     const GError *error,
 576                                     gpointer      user_data,
 577                                     GObject      *list)
 578 {
 579         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 580
 581         if (error) {
 582                 DEBUG ("Error: %s", error->message);
 583                 return;
 584         }
 585
 586         if (flags & TP_CONNECTION_ALIAS_FLAG_USER_SET) {
 587                 priv->flags |= EMPATHY_CONTACT_LIST_CAN_ALIAS;
 588         }
 589 }
 590
 591 static void
 592 tp_contact_list_get_requestablechannelclasses_cb (TpProxy      *connection,
 593                                                   const GValue *value,
 594                                                   const GError *error,
 595                                                   gpointer      user_data,
 596                                                   GObject      *list)
 597 {
 598         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 599         GPtrArray *classes;
 600         guint i;
 601
 602         if (error) {
 603                 DEBUG ("Error: %s", error->message);
 604                 return;
 605         }
 606
 607         classes = g_value_get_boxed (value);
 608         for (i = 0; i < classes->len; i++) {
 609                 GValueArray *class = g_ptr_array_index (classes, i);
 610                 GHashTable *props;
 611                 const char *channel_type;
 612                 guint handle_type;
 613
 614                 props = g_value_get_boxed (g_value_array_get_nth (class, 0));
 615
 616                 channel_type = tp_asv_get_string (props,
 617                                 TP_IFACE_CHANNEL ".ChannelType");
 618                 handle_type = tp_asv_get_uint32 (props,
 619                                 TP_IFACE_CHANNEL ".TargetHandleType", NULL);
 620
 621                 if (!tp_strdiff (channel_type, TP_IFACE_CHANNEL_TYPE_CONTACT_LIST) &&
 622                     handle_type == TP_HANDLE_TYPE_GROUP) {
 623                         DEBUG ("Got channel class for a contact group");
 624                         priv->flags |= EMPATHY_CONTACT_LIST_CAN_GROUP;
 625                         break;
 626                 }
 627         }
 628 }
 629
 630 static void
 631 tp_contact_list_subscribe_group_members_changed_cb (TpChannel     *channel,
 632                                                     gchar         *message,
 633                                                     GArray        *added,
 634                                                     GArray        *removed,
 635                                                     GArray        *local_pending,
 636                                                     GArray        *remote_pending,
 637                                                     guint          actor,
 638                                                     guint          reason,
 639                                                     EmpathyTpContactList *list)
 640 {
 641         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 642         guint i;
 643         GArray *accept;
 644
 645         /* We now get the presence of those contacts, add them to members */
 646         add_to_members (list, added);
 647
 648         /* Those contacts refuse to send us their presence, remove from members. */
 649         for (i = 0; i < removed->len; i++) {
 650                 remove_from_member_if_needed (list, g_array_index (removed, TpHandle, i));
 651         }
 652
 653         /* We want those contacts in our contact list but we don't get their
 654          * presence yet. Add to members anyway. */
 655         add_to_members (list, remote_pending);
 656
 657         /* Implicitly accept pending request of contacts which are now members. */
 658         if (priv->publish == NULL)
 659                 return;
 660
 661         accept = g_array_new (FALSE, FALSE, sizeof (TpHandle));
 662         for (i = 0; i < added->len; i++) {
 663                 TpHandle handle = g_array_index (added, TpHandle, i);
 664
 665                 if (g_hash_table_lookup (priv->pendings, GUINT_TO_POINTER (handle)) != NULL)
 666                         g_array_append_val (accept, handle);
 667         }
 668
 669         for (i = 0; i < remote_pending->len; i++) {
 670                 TpHandle handle = g_array_index (added, TpHandle, i);
 671
 672                 if (g_hash_table_lookup (priv->pendings, GUINT_TO_POINTER (handle)) != NULL)
 673                         g_array_append_val (accept, handle);
 674         }
 675
 676         tp_cli_channel_interface_group_call_add_members (priv->publish,
 677                 -1, accept, NULL, NULL, NULL, NULL, NULL);
 678
 679         g_array_free (accept, TRUE);
 680 }
 681
 682 static void
 683 tp_contact_list_store_group_members_changed_cb (TpChannel     *channel,
 684                                                 gchar         *message,
 685                                                 GArray        *added,
 686                                                 GArray        *removed,
 687                                                 GArray        *local_pending,
 688                                                 GArray        *remote_pending,
 689                                                 guint          actor,
 690                                                 guint          reason,
 691                                                 EmpathyTpContactList *list)
 692 {
 693         guint i;
 694
 695         add_to_members (list, added);
 696
 697         for (i = 0; i < removed->len; i++) {
 698                 remove_from_member_if_needed (list, g_array_index (removed, TpHandle, i));
 699         }
 700 }
 701
 702 static void
 703 tp_contact_list_finalize (GObject *object)
 704 {
 705         EmpathyTpContactListPriv *priv;
 706         EmpathyTpContactList     *list;
 707         GHashTableIter            iter;
 708         gpointer                  channel;
 709
 710         list = EMPATHY_TP_CONTACT_LIST (object);
 711         priv = GET_PRIV (list);
 712
 713         DEBUG ("finalize: %p", object);
 714
 715         if (priv->subscribe) {
 716                 g_object_unref (priv->subscribe);
 717         }
 718         if (priv->publish) {
 719                 g_object_unref (priv->publish);
 720         }
 721         if (priv->stored) {
 722                 g_object_unref (priv->stored);
 723         }
 724
 725         if (priv->connection) {
 726                 g_object_unref (priv->connection);
 727         }
 728
 729         g_hash_table_iter_init (&iter, priv->groups);
 730         while (g_hash_table_iter_next (&iter, NULL, &channel)) {
 731                 g_signal_handlers_disconnect_by_func (channel,
 732                         tp_contact_list_group_invalidated_cb, list);
 733         }
 734
 735         g_hash_table_destroy (priv->groups);
 736         g_hash_table_destroy (priv->members);
 737         g_hash_table_destroy (priv->pendings);
 738         g_hash_table_destroy (priv->add_to_group);
 739
 740         G_OBJECT_CLASS (empathy_tp_contact_list_parent_class)->finalize (object);
 741 }
 742
 743 static void
 744 got_list_channel (EmpathyTpContactList *list,
 745                   TpChannel *channel)
 746 {
 747         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 748         const gchar *id;
 749
 750         /* We requested that channel by providing TargetID property, so it's
 751          * guaranteed that tp_channel_get_identifier will return it. */
 752         id = tp_channel_get_identifier (channel);
 753
 754         /* TpChannel emits initial set of members just before being ready */
 755         if (!tp_strdiff (id, "stored")) {
 756                 if (priv->stored != NULL)
 757                         return;
 758                 priv->stored = g_object_ref (channel);
 759                 g_signal_connect (priv->stored, "group-members-changed",
 760                                   G_CALLBACK (tp_contact_list_store_group_members_changed_cb),
 761                                   list);
 762         } else if (!tp_strdiff (id, "publish")) {
 763                 if (priv->publish != NULL)
 764                         return;
 765                 priv->publish = g_object_ref (channel);
 766                 g_signal_connect (priv->publish, "group-members-changed",
 767                                   G_CALLBACK (tp_contact_list_publish_group_members_changed_cb),
 768                                   list);
 769         } else if (!tp_strdiff (id, "subscribe")) {
 770                 if (priv->subscribe != NULL)
 771                         return;
 772                 priv->subscribe = g_object_ref (channel);
 773                 g_signal_connect (priv->subscribe, "group-members-changed",
 774                                   G_CALLBACK (tp_contact_list_subscribe_group_members_changed_cb),
 775                                   list);
 776         }
 777 }
 778
 779 static void
 780 list_ensure_channel_cb (TpConnection *conn,
 781                         gboolean yours,
 782                         const gchar *path,
 783                         GHashTable *properties,
 784                         const GError *error,
 785                         gpointer user_data,
 786                         GObject *weak_object)
 787 {
 788         EmpathyTpContactList *list = user_data;
 789         TpChannel *channel;
 790
 791         if (error != NULL) {
 792                 DEBUG ("failed: %s\n", error->message);
 793                 return;
 794         }
 795
 796         channel = tp_channel_new_from_properties (conn, path, properties, NULL);
 797         got_list_channel (list, channel);
 798         g_object_unref (channel);
 799 }
 800
 801 static void
 802 iterate_on_channels (EmpathyTpContactList *list,
 803                      const GPtrArray *channels)
 804 {
 805         guint i;
 806
 807         for (i = 0; i < channels->len ; i++) {
 808                 GValueArray *arr = g_ptr_array_index (channels, i);
 809                 const gchar *path;
 810                 GHashTable *properties;
 811                 TpHandleType handle_type;
 812
 813                 path = g_value_get_boxed (g_value_array_get_nth (arr, 0));
 814                 properties = g_value_get_boxed (g_value_array_get_nth (arr, 1));
 815
 816                 if (tp_strdiff (tp_asv_get_string (properties,
 817                                 TP_IFACE_CHANNEL ".ChannelType"),
 818                     TP_IFACE_CHANNEL_TYPE_CONTACT_LIST))
 819                         continue;
 820
 821                 if (tp_asv_get_string (properties, TP_IFACE_CHANNEL ".TargetID") == NULL)
 822                         continue;
 823
 824                 handle_type = tp_asv_get_uint32 (properties,
 825                         TP_IFACE_CHANNEL ".TargetHandleType", NULL);
 826
 827                 if (handle_type != TP_HANDLE_TYPE_GROUP)
 828                         continue;
 829
 830                 tp_contact_list_group_add_channel (list, path, properties);
 831         }
 832 }
 833
 834 static void
 835 new_channels_cb (TpConnection *conn,
 836                  const GPtrArray *channels,
 837                  gpointer user_data,
 838                  GObject *weak_object)
 839 {
 840         EmpathyTpContactList *list = EMPATHY_TP_CONTACT_LIST (weak_object);
 841
 842         iterate_on_channels (list, channels);
 843 }
 844
 845 static void
 846 got_channels_cb (TpProxy *conn,
 847                  const GValue *out,
 848                  const GError *error,
 849                  gpointer user_data,
 850                  GObject *weak_object)
 851 {
 852         EmpathyTpContactList *list = EMPATHY_TP_CONTACT_LIST (weak_object);
 853         const GPtrArray *channels;
 854
 855         if (error != NULL) {
 856                 DEBUG ("Get Channels property failed: %s", error->message);
 857                 return;
 858         }
 859
 860         channels = g_value_get_boxed (out);
 861         iterate_on_channels (list, channels);
 862 }
 863
 864 static void
 865 conn_ready_cb (TpConnection *connection,
 866                const GError *error,
 867                gpointer data)
 868 {
 869         EmpathyTpContactList *list = data;
 870         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 871         GHashTable *request;
 872
 873         if (error != NULL) {
 874                 DEBUG ("failed: %s", error->message);
 875                 goto out;
 876         }
 877
 878         /* Look for existing group channels */
 879         tp_cli_dbus_properties_call_get (connection, -1,
 880                 TP_IFACE_CONNECTION_INTERFACE_REQUESTS, "Channels", got_channels_cb,
 881                 NULL, NULL, G_OBJECT (list));
 882
 883         request = tp_asv_new (
 884                 TP_IFACE_CHANNEL ".ChannelType", G_TYPE_STRING, TP_IFACE_CHANNEL_TYPE_CONTACT_LIST,
 885                 TP_IFACE_CHANNEL ".TargetHandleType", G_TYPE_UINT, TP_HANDLE_TYPE_LIST,
 886                 NULL);
 887
 888         /* Watch the NewChannels signal so if ensuring list channels fails (for
 889          * example because the server is slow and the D-Bus call timeouts before CM
 890          * fetches the roster), we have a chance to get them later. */
 891         tp_cli_connection_interface_requests_connect_to_new_channels (
 892                 priv->connection, new_channels_cb, NULL, NULL, G_OBJECT (list), NULL);
 893
 894         /* Request the 'stored' list. */
 895         tp_asv_set_static_string (request, TP_IFACE_CHANNEL ".TargetID", "stored");
 896         tp_cli_connection_interface_requests_call_ensure_channel (priv->connection,
 897                 G_MAXINT, request, list_ensure_channel_cb, list, NULL, G_OBJECT (list));
 898
 899         /* Request the 'publish' list. */
 900         tp_asv_set_static_string (request, TP_IFACE_CHANNEL ".TargetID", "publish");
 901         tp_cli_connection_interface_requests_call_ensure_channel (priv->connection,
 902                 G_MAXINT, request, list_ensure_channel_cb, list, NULL, G_OBJECT (list));
 903
 904         /* Request the 'subscribe' list. */
 905         tp_asv_set_static_string (request, TP_IFACE_CHANNEL ".TargetID", "subscribe");
 906         tp_cli_connection_interface_requests_call_ensure_channel (priv->connection,
 907                 G_MAXINT, request, list_ensure_channel_cb, list, NULL, G_OBJECT (list));
 908
 909         g_hash_table_unref (request);
 910 out:
 911         g_object_unref (list);
 912 }
 913
 914 static void
 915 tp_contact_list_constructed (GObject *list)
 916 {
 917         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 918
 919         /* call GetAliasFlags */
 920         if (tp_proxy_has_interface_by_id (priv->connection,
 921                                 TP_IFACE_QUARK_CONNECTION_INTERFACE_ALIASING)) {
 922                 tp_cli_connection_interface_aliasing_call_get_alias_flags (
 923                                 priv->connection,
 924                                 -1,
 925                                 tp_contact_list_get_alias_flags_cb,
 926                                 NULL, NULL,
 927                                 G_OBJECT (list));
 928         }
 929
 930         /* lookup RequestableChannelClasses */
 931         if (tp_proxy_has_interface_by_id (priv->connection,
 932                                 TP_IFACE_QUARK_CONNECTION_INTERFACE_REQUESTS)) {
 933                 tp_cli_dbus_properties_call_get (priv->connection,
 934                                 -1,
 935                                 TP_IFACE_CONNECTION_INTERFACE_REQUESTS,
 936                                 "RequestableChannelClasses",
 937                                 tp_contact_list_get_requestablechannelclasses_cb,
 938                                 NULL, NULL,
 939                                 G_OBJECT (list));
 940         } else {
 941                 /* we just don't know... better mark the flag just in case */
 942                 priv->flags |= EMPATHY_CONTACT_LIST_CAN_GROUP;
 943         }
 944
 945         tp_connection_call_when_ready (priv->connection, conn_ready_cb,
 946                 g_object_ref (list));
 947 }
 948
 949 static void
 950 tp_contact_list_get_property (GObject    *object,
 951                               guint       param_id,
 952                               GValue     *value,
 953                               GParamSpec *pspec)
 954 {
 955         EmpathyTpContactListPriv *priv = GET_PRIV (object);
 956
 957         switch (param_id) {
 958         case PROP_CONNECTION:
 959                 g_value_set_object (value, priv->connection);
 960                 break;
 961         default:
 962                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 963                 break;
 964         };
 965 }
 966
 967 static void
 968 tp_contact_list_set_property (GObject      *object,
 969                               guint         param_id,
 970                               const GValue *value,
 971                               GParamSpec   *pspec)
 972 {
 973         EmpathyTpContactListPriv *priv = GET_PRIV (object);
 974
 975         switch (param_id) {
 976         case PROP_CONNECTION:
 977                 priv->connection = g_value_dup_object (value);
 978                 break;
 979         default:
 980                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 981                 break;
 982         };
 983 }
 984
 985 static void
 986 empathy_tp_contact_list_class_init (EmpathyTpContactListClass *klass)
 987 {
 988         GObjectClass *object_class = G_OBJECT_CLASS (klass);
 989
 990         object_class->finalize = tp_contact_list_finalize;
 991         object_class->constructed = tp_contact_list_constructed;
 992         object_class->get_property = tp_contact_list_get_property;
 993         object_class->set_property = tp_contact_list_set_property;
 994
 995         g_object_class_install_property (object_class,
 996                                          PROP_CONNECTION,
 997                                          g_param_spec_object ("connection",
 998                                                               "The Connection",
 999                                                               "The connection associated with the contact list",
1000                                                               TP_TYPE_CONNECTION,
1001                                                               G_PARAM_READWRITE |
1002                                                               G_PARAM_CONSTRUCT_ONLY));
1003
1004         g_type_class_add_private (object_class, sizeof (EmpathyTpContactListPriv));
1005 }
1006
1007 static void
1008 tp_contact_list_array_free (gpointer handles)
1009 {
1010         g_array_free (handles, TRUE);
1011 }
1012
1013 static void
1014 empathy_tp_contact_list_init (EmpathyTpContactList *list)
1015 {
1016         EmpathyTpContactListPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (list,
1017                 EMPATHY_TYPE_TP_CONTACT_LIST, EmpathyTpContactListPriv);
1018
1019         list->priv = priv;
1020
1021         /* Map group's name to group's TpChannel. The group name string is owned
1022          * by the TpChannel object */
1023         priv->groups = g_hash_table_new_full (g_str_hash, g_str_equal,
1024                                               NULL,
1025                                               (GDestroyNotify) g_object_unref);
1026
1027         /* Map contact's handle to EmpathyContact object */
1028         priv->members = g_hash_table_new_full (g_direct_hash, g_direct_equal,
1029                                                NULL,
1030                                                (GDestroyNotify) g_object_unref);
1031
1032         /* Map contact's handle to EmpathyContact object */
1033         priv->pendings = g_hash_table_new_full (g_direct_hash, g_direct_equal,
1034                                                 NULL,
1035                                                 (GDestroyNotify) g_object_unref);
1036
1037         /* Map group's name to GArray of handle */
1038         priv->add_to_group = g_hash_table_new_full (g_str_hash, g_str_equal,
1039                                                     g_free,
1040                                                     tp_contact_list_array_free);
1041 }
1042
1043 EmpathyTpContactList *
1044 empathy_tp_contact_list_new (TpConnection *connection)
1045 {
1046         return g_object_new (EMPATHY_TYPE_TP_CONTACT_LIST,
1047                              "connection", connection,
1048                              NULL);
1049 }
1050
1051 TpConnection *
1052 empathy_tp_contact_list_get_connection (EmpathyTpContactList *list)
1053 {
1054         EmpathyTpContactListPriv *priv;
1055
1056         g_return_val_if_fail (EMPATHY_IS_TP_CONTACT_LIST (list), NULL);
1057
1058         priv = GET_PRIV (list);
1059
1060         return priv->connection;
1061 }
1062
1063 static void
1064 tp_contact_list_add (EmpathyContactList *list,
1065                      EmpathyContact     *contact,
1066                      const gchar        *message)
1067 {
1068         EmpathyTpContactListPriv *priv = GET_PRIV (list);
1069         TpHandle handle;
1070         GArray handles = {(gchar *) &handle, 1};
1071
1072         handle = empathy_contact_get_handle (contact);
1073         if (priv->subscribe) {
1074                 tp_cli_channel_interface_group_call_add_members (priv->subscribe,
1075                         -1, &handles, message, NULL, NULL, NULL, NULL);
1076         }
1077         if (priv->publish) {
1078                 TpChannelGroupFlags flags = tp_channel_group_get_flags (priv->subscribe);
1079                 if (flags & TP_CHANNEL_GROUP_FLAG_CAN_ADD ||
1080                     g_hash_table_lookup (priv->pendings, GUINT_TO_POINTER (handle))) {
1081                         tp_cli_channel_interface_group_call_add_members (priv->publish,
1082                                 -1, &handles, message, NULL, NULL, NULL, NULL);
1083                 }
1084         }
1085 }
1086
1087 static void
1088 tp_contact_list_remove (EmpathyContactList *list,
1089                         EmpathyContact     *contact,
1090                         const gchar        *message)
1091 {
1092         EmpathyTpContactListPriv *priv = GET_PRIV (list);
1093         TpHandle handle;
1094         GArray handles = {(gchar *) &handle, 1};
1095
1096         handle = empathy_contact_get_handle (contact);
1097
1098         /* FIXME: this is racy if tp_contact_list_remove is called before the
1099          * 'stored' list has been retrieved. */
1100         if (priv->stored != NULL) {
1101                 tp_cli_channel_interface_group_call_remove_members (priv->stored,
1102                         -1, &handles, message, NULL, NULL, NULL, NULL);
1103         }
1104
1105         if (priv->subscribe) {
1106                 tp_cli_channel_interface_group_call_remove_members (priv->subscribe,
1107                         -1, &handles, message, NULL, NULL, NULL, NULL);
1108         }
1109         if (priv->publish) {
1110                 tp_cli_channel_interface_group_call_remove_members (priv->publish,
1111                         -1, &handles, message, NULL, NULL, NULL, NULL);
1112         }
1113 }
1114
1115 static GList *
1116 tp_contact_list_get_members (EmpathyContactList *list)
1117 {
1118         EmpathyTpContactListPriv *priv = GET_PRIV (list);
1119         GList *ret;
1120
1121         ret = g_hash_table_get_values (priv->members);
1122         g_list_foreach (ret, (GFunc) g_object_ref, NULL);
1123         return ret;
1124 }
1125
1126 static GList *
1127 tp_contact_list_get_pendings (EmpathyContactList *list)
1128 {
1129         EmpathyTpContactListPriv *priv = GET_PRIV (list);
1130         GList *ret;
1131
1132         ret = g_hash_table_get_values (priv->pendings);
1133         g_list_foreach (ret, (GFunc) g_object_ref, NULL);
1134         return ret;
1135 }
1136
1137 static GList *
1138 tp_contact_list_get_all_groups (EmpathyContactList *list)
1139 {
1140         EmpathyTpContactListPriv *priv = GET_PRIV (list);
1141         GList                    *ret, *l;
1142
1143         ret = g_hash_table_get_keys (priv->groups);
1144         for (l = ret; l; l = l->next) {
1145                 l->data = g_strdup (l->data);
1146         }
1147
1148         return ret;
1149 }
1150
1151 static GList *
1152 tp_contact_list_get_groups (EmpathyContactList *list,
1153                             EmpathyContact     *contact)
1154 {
1155         EmpathyTpContactListPriv  *priv = GET_PRIV (list);
1156         GList                     *ret = NULL;
1157         GHashTableIter             iter;
1158         gpointer                   group_name;
1159         gpointer                   channel;
1160         TpHandle                   handle;
1161
1162         handle = empathy_contact_get_handle (contact);
1163         g_hash_table_iter_init (&iter, priv->groups);
1164         while (g_hash_table_iter_next (&iter, &group_name, &channel)) {
1165                 const TpIntSet *members;
1166
1167                 members = tp_channel_group_get_members (channel);
1168                 if (tp_intset_is_member (members, handle)) {
1169                         ret = g_list_prepend (ret, g_strdup (group_name));
1170                 }
1171         }
1172
1173         return ret;
1174 }
1175
1176 static void
1177 tp_contact_list_add_to_group (EmpathyContactList *list,
1178                               EmpathyContact     *contact,
1179                               const gchar        *group_name)
1180 {
1181         TpHandle handle;
1182         GArray *handles;
1183
1184         handle = empathy_contact_get_handle (contact);
1185         handles = g_array_sized_new (FALSE, FALSE, sizeof (TpHandle), 1);
1186         g_array_append_val (handles, handle);
1187         tp_contact_list_group_add (EMPATHY_TP_CONTACT_LIST (list),
1188                                    group_name, handles);
1189 }
1190
1191 static void
1192 tp_contact_list_remove_from_group (EmpathyContactList *list,
1193                                    EmpathyContact     *contact,
1194                                    const gchar        *group_name)
1195 {
1196         EmpathyTpContactListPriv *priv = GET_PRIV (list);
1197         TpChannel                *channel;
1198         TpHandle                  handle;
1199         GArray                    handles = {(gchar *) &handle, 1};
1200
1201         channel = g_hash_table_lookup (priv->groups, group_name);
1202         if (channel == NULL) {
1203                 return;
1204         }
1205
1206         handle = empathy_contact_get_handle (contact);
1207         DEBUG ("remove contact %s (%d) from group %s",
1208                 empathy_contact_get_id (contact), handle, group_name);
1209
1210         tp_cli_channel_interface_group_call_remove_members (channel, -1,
1211                 &handles, NULL, NULL, NULL, NULL, NULL);
1212 }
1213
1214 static void
1215 tp_contact_list_rename_group (EmpathyContactList *list,
1216                               const gchar        *old_group_name,
1217                               const gchar        *new_group_name)
1218 {
1219         EmpathyTpContactListPriv *priv = GET_PRIV (list);
1220         TpChannel                *channel;
1221         const TpIntSet           *members;
1222         GArray                   *handles;
1223
1224         channel = g_hash_table_lookup (priv->groups, old_group_name);
1225         if (channel == NULL) {
1226                 return;
1227         }
1228
1229         DEBUG ("rename group %s to %s", old_group_name, new_group_name);
1230
1231         /* Remove all members and close the old channel */
1232         members = tp_channel_group_get_members (channel);
1233         handles = tp_intset_to_array (members);
1234         tp_cli_channel_interface_group_call_remove_members (channel, -1,
1235                 handles, NULL, NULL, NULL, NULL, NULL);
1236         tp_cli_channel_call_close (channel, -1, NULL, NULL, NULL, NULL);
1237
1238         tp_contact_list_group_add (EMPATHY_TP_CONTACT_LIST (list),
1239                                    new_group_name, handles);
1240 }
1241
1242 static void
1243 tp_contact_list_remove_group (EmpathyContactList *list,
1244                               const gchar *group_name)
1245 {
1246         EmpathyTpContactListPriv *priv = GET_PRIV (list);
1247         TpChannel                *channel;
1248         const TpIntSet           *members;
1249         GArray                   *handles;
1250
1251         channel = g_hash_table_lookup (priv->groups, group_name);
1252         if (channel == NULL) {
1253                 return;
1254         }
1255
1256         DEBUG ("remove group %s", group_name);
1257
1258         /* Remove all members and close the channel */
1259         members = tp_channel_group_get_members (channel);
1260         handles = tp_intset_to_array (members);
1261         tp_cli_channel_interface_group_call_remove_members (channel, -1,
1262                 handles, NULL, NULL, NULL, NULL, NULL);
1263         tp_cli_channel_call_close (channel, -1, NULL, NULL, NULL, NULL);
1264         g_array_free (handles, TRUE);
1265 }
1266
1267 static EmpathyContactListFlags
1268 tp_contact_list_get_flags (EmpathyContactList *list)
1269 {
1270         EmpathyTpContactListPriv *priv;
1271         EmpathyContactListFlags flags;
1272
1273         g_return_val_if_fail (EMPATHY_IS_TP_CONTACT_LIST (list), FALSE);
1274
1275         priv = GET_PRIV (list);
1276         flags = priv->flags;
1277
1278         if (priv->subscribe != NULL) {
1279                 TpChannelGroupFlags group_flags;
1280
1281                 group_flags = tp_channel_group_get_flags (priv->subscribe);
1282
1283                 if (group_flags & TP_CHANNEL_GROUP_FLAG_CAN_ADD) {
1284                         flags |= EMPATHY_CONTACT_LIST_CAN_ADD;
1285                 }
1286
1287                 if (group_flags & TP_CHANNEL_GROUP_FLAG_CAN_REMOVE) {
1288                         flags |= EMPATHY_CONTACT_LIST_CAN_REMOVE;
1289                 }
1290         }
1291
1292         return flags;
1293 }
1294
1295 static void
1296 tp_contact_list_iface_init (EmpathyContactListIface *iface)
1297 {
1298         iface->add               = tp_contact_list_add;
1299         iface->remove            = tp_contact_list_remove;
1300         iface->get_members       = tp_contact_list_get_members;
1301         iface->get_pendings      = tp_contact_list_get_pendings;
1302         iface->get_all_groups    = tp_contact_list_get_all_groups;
1303         iface->get_groups        = tp_contact_list_get_groups;
1304         iface->add_to_group      = tp_contact_list_add_to_group;
1305         iface->remove_from_group = tp_contact_list_remove_from_group;
1306         iface->rename_group      = tp_contact_list_rename_group;
1307         iface->remove_group      = tp_contact_list_remove_group;
1308         iface->get_flags         = tp_contact_list_get_flags;
1309 }
1310
1311 void
1312 empathy_tp_contact_list_remove_all (EmpathyTpContactList *list)
1313 {
1314         EmpathyTpContactListPriv *priv = GET_PRIV (list);
1315         GHashTableIter            iter;
1316         gpointer                  contact;
1317
1318         g_return_if_fail (EMPATHY_IS_TP_CONTACT_LIST (list));
1319
1320         /* Remove all contacts */
1321         g_hash_table_iter_init (&iter, priv->members);
1322         while (g_hash_table_iter_next (&iter, NULL, &contact)) {
1323                 g_signal_emit_by_name (list, "members-changed", contact,
1324                                        NULL, 0, NULL,
1325                                        FALSE);
1326         }
1327         g_hash_table_remove_all (priv->members);
1328
1329         g_hash_table_iter_init (&iter, priv->pendings);
1330         while (g_hash_table_iter_next (&iter, NULL, &contact)) {
1331                 g_signal_emit_by_name (list, "pendings-changed", contact,
1332                                        NULL, 0, NULL,
1333                                        FALSE);
1334         }
1335         g_hash_table_remove_all (priv->pendings);
1336 }
1337