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