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 <extensions/extensions.h>
  35
  36 #include "empathy-tp-contact-list.h"
  37 #include "empathy-tp-contact-factory.h"
  38 #include "empathy-contact-list.h"
  39 #include "empathy-utils.h"
  40
  41 #define DEBUG_FLAG EMPATHY_DEBUG_TP | EMPATHY_DEBUG_CONTACT
  42 #include "empathy-debug.h"
  43
  44 #define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyTpContactList)
  45 typedef struct {
  46         TpConnection   *connection;
  47
  48         TpChannel      *publish;
  49         TpChannel      *subscribe;
  50         TpChannel      *stored;
  51         /* contact handle (TpHandle) => reffed (EmpathyContact *)
  52          *
  53          * Union of:
  54          *  - members of 'subscribe': we receive their presence
  55          *  - RP of 'subscribe': we asked to receive their presence
  56          *  - members of 'publish': we send them our presence
  57          *  - members of 'stored': they are in our roster
  58          */
  59         GHashTable     *members;
  60         /* contact handle (TpHandle) => reffed (EmpathyContact *)
  61          *
  62          * Contacts which are local-pending in the publish channel but are NOT in
  63          * the members hash table: they asked to receive our presence and we don't
  64          * receive theirs or asked to.
  65          * That's basically the contacts which asked to add us to their contact
  66          * list and we didn't answer it. */
  67         GHashTable     *pendings;
  68         /* group name: borrowed (const gchar *)  => reffed (TpChannel *) */
  69         GHashTable     *groups;
  70         /* group name: owned (gchar *) => owned GArray of TpHandle */
  71         GHashTable     *add_to_group;
  72
  73         EmpathyContactListFlags flags;
  74 } EmpathyTpContactListPriv;
  75
  76 typedef enum {
  77         TP_CONTACT_LIST_TYPE_PUBLISH,
  78         TP_CONTACT_LIST_TYPE_SUBSCRIBE,
  79         TP_CONTACT_LIST_TYPE_UNKNOWN
  80 } TpContactListType;
  81
  82 static void tp_contact_list_iface_init         (EmpathyContactListIface   *iface);
  83
  84 enum {
  85         PROP_0,
  86         PROP_CONNECTION,
  87 };
  88
  89 G_DEFINE_TYPE_WITH_CODE (EmpathyTpContactList, empathy_tp_contact_list, G_TYPE_OBJECT,
  90                          G_IMPLEMENT_INTERFACE (EMPATHY_TYPE_CONTACT_LIST,
  91                                                 tp_contact_list_iface_init));
  92
  93 static void
  94 tp_contact_list_forget_group (EmpathyTpContactList *list,
  95                               TpChannel *channel)
  96 {
  97         EmpathyTpContactListPriv *priv = GET_PRIV (list);
  98         const TpIntSet *members;
  99         TpIntSetIter iter;
 100         const gchar *group_name;
 101
 102         group_name = tp_channel_get_identifier (channel);
 103
 104         /* Signal that all members are not in that group anymore */
 105         members = tp_channel_group_get_members (channel);
 106         tp_intset_iter_init (&iter, members);
 107         while (tp_intset_iter_next (&iter)) {
 108                 EmpathyContact *contact;
 109
 110                 contact = g_hash_table_lookup (priv->members,
 111                                                GUINT_TO_POINTER (iter.element));
 112                 if (contact == NULL) {
 113                         continue;
 114                 }
 115
 116                 DEBUG ("Contact %s (%d) removed from group %s",
 117                         empathy_contact_get_id (contact), iter.element,
 118                         group_name);
 119                 g_signal_emit_by_name (list, "groups-changed", contact,
 120                                        group_name,
 121                                        FALSE);
 122         }
 123 }
 124
 125 static void
 126 tp_contact_list_group_invalidated_cb (TpChannel *channel,
 127                                       guint      domain,
 128                                       gint       code,
 129                                       gchar     *message,
 130                                       EmpathyTpContactList *list)
 131 {
 132         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 133         const gchar *group_name;
 134
 135         group_name = tp_channel_get_identifier (channel);
 136         DEBUG ("Group %s invalidated. Message: %s", group_name, message);
 137
 138         tp_contact_list_forget_group (list, channel);
 139
 140         g_hash_table_remove (priv->groups, group_name);
 141 }
 142
 143 static void
 144 contacts_added_to_group (EmpathyTpContactList *list,
 145                          TpChannel *channel,
 146                          GArray *added)
 147 {
 148         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 149         const gchar *group_name;
 150         guint i;
 151
 152         group_name = tp_channel_get_identifier (channel);
 153
 154         for (i = 0; i < added->len; i++) {
 155                 EmpathyContact *contact;
 156                 TpHandle handle;
 157
 158                 handle = g_array_index (added, TpHandle, i);
 159                 contact = g_hash_table_lookup (priv->members,
 160                                                GUINT_TO_POINTER (handle));
 161                 if (contact == NULL) {
 162                         continue;
 163                 }
 164
 165                 DEBUG ("Contact %s (%d) added to group %s",
 166                         empathy_contact_get_id (contact), handle, group_name);
 167                 g_signal_emit_by_name (list, "groups-changed", contact,
 168                                        group_name,
 169                                        TRUE);
 170         }
 171 }
 172
 173 static void
 174 tp_contact_list_group_members_changed_cb (TpChannel     *channel,
 175                                           gchar         *message,
 176                                           GArray        *added,
 177                                           GArray        *removed,
 178                                           GArray        *local_pending,
 179                                           GArray        *remote_pending,
 180                                           guint          actor,
 181                                           guint          reason,
 182                                           EmpathyTpContactList *list)
 183 {
 184         EmpathyTpContactListPriv  *priv = GET_PRIV (list);
 185         const gchar *group_name;
 186         guint i;
 187
 188         contacts_added_to_group (list, channel, added);
 189
 190         group_name = tp_channel_get_identifier (channel);
 191
 192         for (i = 0; i < removed->len; i++) {
 193                 EmpathyContact *contact;
 194                 TpHandle handle;
 195
 196                 handle = g_array_index (removed, TpHandle, i);
 197                 contact = g_hash_table_lookup (priv->members,
 198                                                GUINT_TO_POINTER (handle));
 199                 if (contact == NULL) {
 200                         continue;
 201                 }
 202
 203                 DEBUG ("Contact %s (%d) removed from group %s",
 204                         empathy_contact_get_id (contact), handle, group_name);
 205
 206                 g_signal_emit_by_name (list, "groups-changed", contact,
 207                                        group_name,
 208                                        FALSE);
 209         }
 210 }
 211
 212 static void
 213 tp_contact_list_group_ready_cb (TpChannel *channel,
 214                                 const GError *error,
 215                                 gpointer list)
 216 {
 217         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 218         TpChannel *old_group;
 219         const gchar *group_name;
 220         const TpIntSet *members;
 221         GArray *arr;
 222
 223         if (error) {
 224                 DEBUG ("Error: %s", error->message);
 225                 g_object_unref (channel);
 226                 return;
 227         }
 228
 229         group_name = tp_channel_get_identifier (channel);
 230
 231         /* If there's already a group with this name in the table, we can't
 232          * just let it be replaced. Replacing it causes it to be unreffed,
 233          * which causes it to be invalidated (see
 234          * <https://bugs.freedesktop.org/show_bug.cgi?id=22119>), which causes
 235          * it to be removed from the hash table again, which causes it to be
 236          * unreffed again.
 237          */
 238         old_group = g_hash_table_lookup (priv->groups, group_name);
 239
 240         if (old_group != NULL) {
 241                 DEBUG ("Discarding old group %s (%p)", group_name, old_group);
 242                 g_hash_table_steal (priv->groups, group_name);
 243                 tp_contact_list_forget_group (list, old_group);
 244                 g_object_unref (old_group);
 245         }
 246
 247         /* Pass the reference on the TpChannel to priv->groups */
 248         g_hash_table_insert (priv->groups, (gpointer) group_name, channel);
 249         DEBUG ("Group %s added", group_name);
 250
 251         g_signal_connect (channel, "group-members-changed",
 252                           G_CALLBACK (tp_contact_list_group_members_changed_cb),
 253                           list);
 254
 255         g_signal_connect (channel, "invalidated",
 256                           G_CALLBACK (tp_contact_list_group_invalidated_cb),
 257                           list);
 258
 259         if (priv->add_to_group) {
 260                 GArray *handles;
 261
 262                 handles = g_hash_table_lookup (priv->add_to_group, group_name);
 263                 if (handles) {
 264                         DEBUG ("Adding initial members to group %s", group_name);
 265                         tp_cli_channel_interface_group_call_add_members (channel,
 266                                 -1, handles, NULL, NULL, NULL, NULL, NULL);
 267                         g_hash_table_remove (priv->add_to_group, group_name);
 268                 }
 269         }
 270
 271         /* Get initial members of the group */
 272         members = tp_channel_group_get_members (channel);
 273         g_assert (members != NULL);
 274         arr = tp_intset_to_array (members);
 275         contacts_added_to_group (list, channel, arr);
 276         g_array_unref (arr);
 277 }
 278
 279 static void
 280 tp_contact_list_group_add_channel (EmpathyTpContactList *list,
 281                                    const gchar          *object_path,
 282                                    GHashTable           *properties)
 283 {
 284         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 285         TpChannel                *channel;
 286         GError *error = NULL;
 287
 288         channel = tp_channel_new_from_properties (priv->connection,
 289                                   object_path, properties, &error);
 290         if (channel == NULL) {
 291                 DEBUG ("Failed to create group channel: %s", error->message);
 292                 g_error_free (error);
 293                 return;
 294         }
 295
 296         /* Give the ref to the callback */
 297         tp_channel_call_when_ready (channel,
 298                                     tp_contact_list_group_ready_cb,
 299                                     list);
 300 }
 301
 302 static void
 303 tp_contact_list_group_request_channel_cb (TpConnection *connection,
 304                                           const gchar  *object_path,
 305                                           const GError *error,
 306                                           gpointer      user_data,
 307                                           GObject      *list)
 308 {
 309         /* The new channel will be handled in NewChannel cb. Here we only
 310          * handle the error if RequestChannel failed */
 311         if (error) {
 312                 DEBUG ("Error: %s", error->message);
 313                 return;
 314         }
 315 }
 316
 317 static void
 318 tp_contact_list_group_request_handles_cb (TpConnection *connection,
 319                                           const GArray *handles,
 320                                           const GError *error,
 321                                           gpointer      user_data,
 322                                           GObject      *list)
 323 {
 324         TpHandle channel_handle;
 325
 326         if (error) {
 327                 DEBUG ("Error: %s", error->message);
 328                 return;
 329         }
 330
 331         channel_handle = g_array_index (handles, TpHandle, 0);
 332         tp_cli_connection_call_request_channel (connection, -1,
 333                                                 TP_IFACE_CHANNEL_TYPE_CONTACT_LIST,
 334                                                 TP_HANDLE_TYPE_GROUP,
 335                                                 channel_handle,
 336                                                 TRUE,
 337                                                 tp_contact_list_group_request_channel_cb,
 338                                                 NULL, NULL,
 339                                                 list);
 340 }
 341
 342 /* This function takes ownership of handles array */
 343 static void
 344 tp_contact_list_group_add (EmpathyTpContactList *list,
 345                            const gchar          *group_name,
 346                            GArray               *handles)
 347 {
 348         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 349         TpChannel                *channel;
 350         const gchar              *names[] = {group_name, NULL};
 351
 352         /* Search the channel for that group name */
 353         channel = g_hash_table_lookup (priv->groups, group_name);
 354         if (channel) {
 355                 tp_cli_channel_interface_group_call_add_members (channel, -1,
 356                         handles, NULL, NULL, NULL, NULL, NULL);
 357                 g_array_unref (handles);
 358                 return;
 359         }
 360
 361         /* That group does not exist yet, we have to:
 362          * 1) Request an handle for the group name
 363          * 2) Request a channel
 364          * 3) When NewChannel is emitted, add handles in members
 365          */
 366         g_hash_table_insert (priv->add_to_group,
 367                              g_strdup (group_name),
 368                              handles);
 369         tp_cli_connection_call_request_handles (priv->connection, -1,
 370                                                 TP_HANDLE_TYPE_GROUP, names,
 371                                                 tp_contact_list_group_request_handles_cb,
 372                                                 NULL, NULL,
 373                                                 G_OBJECT (list));
 374 }
 375
 376 static void
 377 got_added_members_cb (TpConnection            *connection,
 378                       guint                    n_contacts,
 379                       EmpathyContact * const * contacts,
 380                       guint                    n_failed,
 381                       const TpHandle          *failed,
 382                       const GError            *error,
 383                       gpointer                 user_data,
 384                       GObject                 *list)
 385 {
 386         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 387         guint i;
 388
 389         if (error) {
 390                 DEBUG ("Error: %s", error->message);
 391                 return;
 392         }
 393
 394         for (i = 0; i < n_contacts; i++) {
 395                 EmpathyContact *contact = contacts[i];
 396                 TpHandle handle = empathy_contact_get_handle (contact);
 397
 398                 if (g_hash_table_lookup (priv->members, GUINT_TO_POINTER (handle)))
 399                         continue;
 400
 401                 /* Add to the list and emit signal */
 402                 g_hash_table_insert (priv->members, GUINT_TO_POINTER (handle),
 403                                      g_object_ref (contact));
 404                 g_signal_emit_by_name (list, "members-changed", contact,
 405                                        0, 0, NULL, TRUE);
 406         }
 407 }
 408
 409 static void
 410 add_to_members (EmpathyTpContactList *list,
 411                 GArray *handles)
 412 {
 413         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 414         GArray *request;
 415         guint i;
 416
 417         if (handles->len == 0)
 418                 return;
 419
 420         request = g_array_new (FALSE, FALSE, sizeof (TpHandle));
 421
 422         for (i = 0; i < handles->len; i++) {
 423                 TpHandle handle = g_array_index (handles, TpHandle, i);
 424
 425                 if (g_hash_table_lookup (priv->members, GUINT_TO_POINTER (handle)))
 426                         continue;
 427
 428                 g_array_append_val (request, handle);
 429         }
 430
 431         if (request->len > 0) {
 432                         empathy_tp_contact_factory_get_from_handles (priv->connection,
 433                                 request->len, (TpHandle *) request->data,
 434                                 got_added_members_cb, NULL, NULL, G_OBJECT (list));
 435         }
 436
 437         g_array_unref (request);
 438 }
 439
 440 static void
 441 tp_contact_list_got_local_pending_cb (TpConnection            *connection,
 442                                       guint                    n_contacts,
 443                                       EmpathyContact * const * contacts,
 444                                       guint                    n_failed,
 445                                       const TpHandle          *failed,
 446                                       const GError            *error,
 447                                       gpointer                 user_data,
 448                                       GObject                 *list)
 449 {
 450         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 451         guint i;
 452
 453         if (error) {
 454                 DEBUG ("Error: %s", error->message);
 455                 return;
 456         }
 457
 458         for (i = 0; i < n_contacts; i++) {
 459                 EmpathyContact *contact = contacts[i];
 460                 TpHandle handle;
 461                 const gchar *message;
 462                 TpChannelGroupChangeReason reason;
 463                 const TpIntSet *members, *remote_pending;
 464
 465                 handle = empathy_contact_get_handle (contact);
 466                 members = tp_channel_group_get_members (priv->subscribe);
 467                 remote_pending = tp_channel_group_get_remote_pending (priv->subscribe);
 468
 469                 if (tp_intset_is_member (members, handle) ||
 470                     tp_intset_is_member (remote_pending, handle)) {
 471                         GArray handles = {(gchar *) &handle, 1};
 472
 473                         /* This contact is already subscribed, or user requested
 474                          * to subscribe, auto accept. */
 475                         tp_cli_channel_interface_group_call_add_members (priv->publish,
 476                                 -1, &handles, NULL, NULL, NULL, NULL, NULL);
 477                 }
 478                 else if (tp_channel_group_get_local_pending_info (priv->publish,
 479                                                                   handle,
 480                                                                   NULL,
 481                                                                   &reason,
 482                                                                   &message)) {
 483                         /* Add contact to pendings */
 484                         g_hash_table_insert (priv->pendings, GUINT_TO_POINTER (handle),
 485                                              g_object_ref (contact));
 486                         g_signal_emit_by_name (list, "pendings-changed", contact,
 487                                                contact, reason, message, TRUE);
 488                 }
 489         }
 490 }
 491
 492 static void
 493 tp_contact_list_remove_handle (EmpathyTpContactList *list,
 494                                GHashTable *table,
 495                                TpHandle handle)
 496 {
 497         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 498         EmpathyContact *contact;
 499         const gchar *sig;
 500
 501         if (table == priv->pendings)
 502                 sig = "pendings-changed";
 503         else if (table == priv->members)
 504                 sig = "members-changed";
 505         else
 506                 return;
 507
 508         contact = g_hash_table_lookup (table, GUINT_TO_POINTER (handle));
 509         if (contact) {
 510                 g_object_ref (contact);
 511                 g_hash_table_remove (table, GUINT_TO_POINTER (handle));
 512                 g_signal_emit_by_name (list, sig, contact, 0, 0, NULL,
 513                                        FALSE);
 514                 g_object_unref (contact);
 515         }
 516 }
 517
 518 static void
 519 remove_from_member_if_needed (EmpathyTpContactList *list,
 520                               TpHandle handle)
 521 {
 522         /* remove contact from members if it's not in publish and subscribe */
 523         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 524         const TpIntSet *members;
 525
 526         members = tp_channel_group_get_members (priv->subscribe);
 527         if (tp_intset_is_member (members, handle))
 528                 return;
 529
 530         members = tp_channel_group_get_remote_pending (priv->subscribe);
 531         if (tp_intset_is_member (members, handle))
 532                 return;
 533
 534         members = tp_channel_group_get_members (priv->publish);
 535         if (tp_intset_is_member (members, handle))
 536                 return;
 537
 538         tp_contact_list_remove_handle (list, priv->members, handle);
 539 }
 540
 541 static void
 542 tp_contact_list_publish_group_members_changed_cb (TpChannel     *channel,
 543                                                   gchar         *message,
 544                                                   GArray        *added,
 545                                                   GArray        *removed,
 546                                                   GArray        *local_pending,
 547                                                   GArray        *remote_pending,
 548                                                   TpHandle       actor,
 549                                                   TpChannelGroupChangeReason reason,
 550                                                   EmpathyTpContactList *list)
 551 {
 552         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 553         guint i;
 554
 555         /* We now send our presence to those contacts, remove them from pendings */
 556         add_to_members (list, added);
 557         for (i = 0; i < added->len; i++) {
 558                 tp_contact_list_remove_handle (list, priv->pendings,
 559                         g_array_index (added, TpHandle, i));
 560         }
 561
 562         /* We refuse to send our presence to those contacts, remove from pendings */
 563         for (i = 0; i < removed->len; i++) {
 564                 TpHandle handle = g_array_index (removed, TpHandle, i);
 565
 566                 tp_contact_list_remove_handle (list, priv->pendings, handle);
 567                 remove_from_member_if_needed (list, handle);
 568         }
 569
 570         /* Those contacts want our presence, auto accept those that are already
 571          * member, otherwise add in pendings. */
 572         if (local_pending->len > 0) {
 573                 empathy_tp_contact_factory_get_from_handles (priv->connection,
 574                         local_pending->len, (TpHandle *) local_pending->data,
 575                         tp_contact_list_got_local_pending_cb, NULL, NULL,
 576                         G_OBJECT (list));
 577         }
 578 }
 579
 580 static void
 581 tp_contact_list_get_alias_flags_cb (TpConnection *connection,
 582                                     guint         flags,
 583                                     const GError *error,
 584                                     gpointer      user_data,
 585                                     GObject      *list)
 586 {
 587         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 588
 589         if (error) {
 590                 DEBUG ("Error: %s", error->message);
 591                 return;
 592         }
 593
 594         if (flags & TP_CONNECTION_ALIAS_FLAG_USER_SET) {
 595                 priv->flags |= EMPATHY_CONTACT_LIST_CAN_ALIAS;
 596         }
 597 }
 598
 599 static void
 600 tp_contact_list_get_requestablechannelclasses_cb (TpProxy      *connection,
 601                                                   const GValue *value,
 602                                                   const GError *error,
 603                                                   gpointer      user_data,
 604                                                   GObject      *list)
 605 {
 606         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 607         GPtrArray *classes;
 608         guint i;
 609
 610         if (error) {
 611                 DEBUG ("Error: %s", error->message);
 612                 return;
 613         }
 614
 615         classes = g_value_get_boxed (value);
 616         for (i = 0; i < classes->len; i++) {
 617                 GValueArray *class = g_ptr_array_index (classes, i);
 618                 GHashTable *props;
 619                 const char *channel_type;
 620                 guint handle_type;
 621
 622                 props = g_value_get_boxed (g_value_array_get_nth (class, 0));
 623
 624                 channel_type = tp_asv_get_string (props,
 625                                 TP_IFACE_CHANNEL ".ChannelType");
 626                 handle_type = tp_asv_get_uint32 (props,
 627                                 TP_IFACE_CHANNEL ".TargetHandleType", NULL);
 628
 629                 if (!tp_strdiff (channel_type, TP_IFACE_CHANNEL_TYPE_CONTACT_LIST) &&
 630                     handle_type == TP_HANDLE_TYPE_GROUP) {
 631                         DEBUG ("Got channel class for a contact group");
 632                         priv->flags |= EMPATHY_CONTACT_LIST_CAN_GROUP;
 633                         break;
 634                 }
 635         }
 636 }
 637
 638 static void
 639 tp_contact_list_subscribe_group_members_changed_cb (TpChannel     *channel,
 640                                                     gchar         *message,
 641                                                     GArray        *added,
 642                                                     GArray        *removed,
 643                                                     GArray        *local_pending,
 644                                                     GArray        *remote_pending,
 645                                                     guint          actor,
 646                                                     guint          reason,
 647                                                     EmpathyTpContactList *list)
 648 {
 649         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 650         guint i;
 651         GArray *accept;
 652
 653         /* We now get the presence of those contacts, add them to members */
 654         add_to_members (list, added);
 655
 656         /* Those contacts refuse to send us their presence, remove from members. */
 657         for (i = 0; i < removed->len; i++) {
 658                 remove_from_member_if_needed (list, g_array_index (removed, TpHandle, i));
 659         }
 660
 661         /* We want those contacts in our contact list but we don't get their
 662          * presence yet. Add to members anyway. */
 663         add_to_members (list, remote_pending);
 664
 665         /* Implicitly accept pending request of contacts which are now members. */
 666         if (priv->publish == NULL)
 667                 return;
 668
 669         accept = g_array_new (FALSE, FALSE, sizeof (TpHandle));
 670         for (i = 0; i < added->len; i++) {
 671                 TpHandle handle = g_array_index (added, TpHandle, i);
 672
 673                 if (g_hash_table_lookup (priv->pendings, GUINT_TO_POINTER (handle)) != NULL)
 674                         g_array_append_val (accept, handle);
 675         }
 676
 677         for (i = 0; i < remote_pending->len; i++) {
 678                 TpHandle handle = g_array_index (added, TpHandle, i);
 679
 680                 if (g_hash_table_lookup (priv->pendings, GUINT_TO_POINTER (handle)) != NULL)
 681                         g_array_append_val (accept, handle);
 682         }
 683
 684         tp_cli_channel_interface_group_call_add_members (priv->publish,
 685                 -1, accept, NULL, NULL, NULL, NULL, NULL);
 686
 687         g_array_unref (accept);
 688 }
 689
 690 static void
 691 tp_contact_list_store_group_members_changed_cb (TpChannel     *channel,
 692                                                 gchar         *message,
 693                                                 GArray        *added,
 694                                                 GArray        *removed,
 695                                                 GArray        *local_pending,
 696                                                 GArray        *remote_pending,
 697                                                 guint          actor,
 698                                                 guint          reason,
 699                                                 EmpathyTpContactList *list)
 700 {
 701         guint i;
 702
 703         add_to_members (list, added);
 704
 705         for (i = 0; i < removed->len; i++) {
 706                 remove_from_member_if_needed (list, g_array_index (removed, TpHandle, i));
 707         }
 708 }
 709
 710 static void
 711 tp_contact_list_finalize (GObject *object)
 712 {
 713         EmpathyTpContactListPriv *priv;
 714         EmpathyTpContactList     *list;
 715         GHashTableIter            iter;
 716         gpointer                  channel;
 717
 718         list = EMPATHY_TP_CONTACT_LIST (object);
 719         priv = GET_PRIV (list);
 720
 721         DEBUG ("finalize: %p", object);
 722
 723         if (priv->subscribe) {
 724                 g_object_unref (priv->subscribe);
 725         }
 726         if (priv->publish) {
 727                 g_object_unref (priv->publish);
 728         }
 729         if (priv->stored) {
 730                 g_object_unref (priv->stored);
 731         }
 732
 733         if (priv->connection) {
 734                 g_object_unref (priv->connection);
 735         }
 736
 737         g_hash_table_iter_init (&iter, priv->groups);
 738         while (g_hash_table_iter_next (&iter, NULL, &channel)) {
 739                 g_signal_handlers_disconnect_by_func (channel,
 740                         tp_contact_list_group_invalidated_cb, list);
 741         }
 742
 743         g_hash_table_unref (priv->groups);
 744         g_hash_table_unref (priv->members);
 745         g_hash_table_unref (priv->pendings);
 746         g_hash_table_unref (priv->add_to_group);
 747
 748         G_OBJECT_CLASS (empathy_tp_contact_list_parent_class)->finalize (object);
 749 }
 750
 751 static void
 752 got_list_channel (EmpathyTpContactList *list,
 753                   TpChannel *channel)
 754 {
 755         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 756         const gchar *id;
 757
 758         /* We requested that channel by providing TargetID property, so it's
 759          * guaranteed that tp_channel_get_identifier will return it. */
 760         id = tp_channel_get_identifier (channel);
 761
 762         /* TpChannel emits initial set of members just before being ready */
 763         if (!tp_strdiff (id, "stored")) {
 764                 if (priv->stored != NULL)
 765                         return;
 766                 priv->stored = g_object_ref (channel);
 767                 g_signal_connect (priv->stored, "group-members-changed",
 768                                   G_CALLBACK (tp_contact_list_store_group_members_changed_cb),
 769                                   list);
 770         } else if (!tp_strdiff (id, "publish")) {
 771                 if (priv->publish != NULL)
 772                         return;
 773                 priv->publish = g_object_ref (channel);
 774                 g_signal_connect (priv->publish, "group-members-changed",
 775                                   G_CALLBACK (tp_contact_list_publish_group_members_changed_cb),
 776                                   list);
 777         } else if (!tp_strdiff (id, "subscribe")) {
 778                 if (priv->subscribe != NULL)
 779                         return;
 780                 priv->subscribe = g_object_ref (channel);
 781                 g_signal_connect (priv->subscribe, "group-members-changed",
 782                                   G_CALLBACK (tp_contact_list_subscribe_group_members_changed_cb),
 783                                   list);
 784         }
 785 }
 786
 787 static void
 788 list_ensure_channel_cb (TpConnection *conn,
 789                         gboolean yours,
 790                         const gchar *path,
 791                         GHashTable *properties,
 792                         const GError *error,
 793                         gpointer user_data,
 794                         GObject *weak_object)
 795 {
 796         EmpathyTpContactList *list = user_data;
 797         TpChannel *channel;
 798
 799         if (error != NULL) {
 800                 DEBUG ("failed: %s\n", error->message);
 801                 return;
 802         }
 803
 804         channel = tp_channel_new_from_properties (conn, path, properties, NULL);
 805         got_list_channel (list, channel);
 806         g_object_unref (channel);
 807 }
 808
 809 static void
 810 iterate_on_channels (EmpathyTpContactList *list,
 811                      const GPtrArray *channels)
 812 {
 813         guint i;
 814
 815         for (i = 0; i < channels->len ; i++) {
 816                 GValueArray *arr = g_ptr_array_index (channels, i);
 817                 const gchar *path;
 818                 GHashTable *properties;
 819                 TpHandleType handle_type;
 820
 821                 path = g_value_get_boxed (g_value_array_get_nth (arr, 0));
 822                 properties = g_value_get_boxed (g_value_array_get_nth (arr, 1));
 823
 824                 if (tp_strdiff (tp_asv_get_string (properties,
 825                                 TP_IFACE_CHANNEL ".ChannelType"),
 826                     TP_IFACE_CHANNEL_TYPE_CONTACT_LIST))
 827                         continue;
 828
 829                 if (tp_asv_get_string (properties, TP_IFACE_CHANNEL ".TargetID") == NULL)
 830                         continue;
 831
 832                 handle_type = tp_asv_get_uint32 (properties,
 833                         TP_IFACE_CHANNEL ".TargetHandleType", NULL);
 834
 835                 if (handle_type != TP_HANDLE_TYPE_GROUP)
 836                         continue;
 837
 838                 tp_contact_list_group_add_channel (list, path, properties);
 839         }
 840 }
 841
 842 static void
 843 new_channels_cb (TpConnection *conn,
 844                  const GPtrArray *channels,
 845                  gpointer user_data,
 846                  GObject *weak_object)
 847 {
 848         EmpathyTpContactList *list = EMPATHY_TP_CONTACT_LIST (weak_object);
 849
 850         iterate_on_channels (list, channels);
 851 }
 852
 853 static void
 854 got_channels_cb (TpProxy *conn,
 855                  const GValue *out,
 856                  const GError *error,
 857                  gpointer user_data,
 858                  GObject *weak_object)
 859 {
 860         EmpathyTpContactList *list = EMPATHY_TP_CONTACT_LIST (weak_object);
 861         const GPtrArray *channels;
 862
 863         if (error != NULL) {
 864                 DEBUG ("Get Channels property failed: %s", error->message);
 865                 return;
 866         }
 867
 868         channels = g_value_get_boxed (out);
 869         iterate_on_channels (list, channels);
 870 }
 871
 872 static void
 873 conn_ready_cb (TpConnection *connection,
 874                const GError *error,
 875                gpointer data)
 876 {
 877         EmpathyTpContactList *list = data;
 878         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 879         GHashTable *request;
 880
 881         if (error != NULL) {
 882                 DEBUG ("failed: %s", error->message);
 883                 goto out;
 884         }
 885
 886         /* Look for existing group channels */
 887         tp_cli_dbus_properties_call_get (connection, -1,
 888                 TP_IFACE_CONNECTION_INTERFACE_REQUESTS, "Channels", got_channels_cb,
 889                 NULL, NULL, G_OBJECT (list));
 890
 891         request = tp_asv_new (
 892                 TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING, TP_IFACE_CHANNEL_TYPE_CONTACT_LIST,
 893                 TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, G_TYPE_UINT, TP_HANDLE_TYPE_LIST,
 894                 NULL);
 895
 896         /* Watch the NewChannels signal so if ensuring list channels fails (for
 897          * example because the server is slow and the D-Bus call timeouts before CM
 898          * fetches the roster), we have a chance to get them later. */
 899         tp_cli_connection_interface_requests_connect_to_new_channels (
 900                 priv->connection, new_channels_cb, NULL, NULL, G_OBJECT (list), NULL);
 901
 902         /* Request the 'stored' list. */
 903         tp_asv_set_static_string (request, TP_PROP_CHANNEL_TARGET_ID, "stored");
 904         tp_cli_connection_interface_requests_call_ensure_channel (priv->connection,
 905                 G_MAXINT, request, list_ensure_channel_cb, list, NULL, G_OBJECT (list));
 906
 907         /* Request the 'publish' list. */
 908         tp_asv_set_static_string (request, TP_PROP_CHANNEL_TARGET_ID, "publish");
 909         tp_cli_connection_interface_requests_call_ensure_channel (priv->connection,
 910                 G_MAXINT, request, list_ensure_channel_cb, list, NULL, G_OBJECT (list));
 911
 912         /* Request the 'subscribe' list. */
 913         tp_asv_set_static_string (request, TP_PROP_CHANNEL_TARGET_ID, "subscribe");
 914         tp_cli_connection_interface_requests_call_ensure_channel (priv->connection,
 915                 G_MAXINT, request, list_ensure_channel_cb, list, NULL, G_OBJECT (list));
 916
 917         g_hash_table_unref (request);
 918
 919 out:
 920         g_object_unref (list);
 921 }
 922
 923 static void
 924 tp_contact_list_constructed (GObject *list)
 925 {
 926         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 927
 928         /* call GetAliasFlags */
 929         if (tp_proxy_has_interface_by_id (priv->connection,
 930                                 TP_IFACE_QUARK_CONNECTION_INTERFACE_ALIASING)) {
 931                 tp_cli_connection_interface_aliasing_call_get_alias_flags (
 932                                 priv->connection,
 933                                 -1,
 934                                 tp_contact_list_get_alias_flags_cb,
 935                                 NULL, NULL,
 936                                 G_OBJECT (list));
 937         }
 938
 939         /* lookup RequestableChannelClasses */
 940         if (tp_proxy_has_interface_by_id (priv->connection,
 941                                 TP_IFACE_QUARK_CONNECTION_INTERFACE_REQUESTS)) {
 942                 tp_cli_dbus_properties_call_get (priv->connection,
 943                                 -1,
 944                                 TP_IFACE_CONNECTION_INTERFACE_REQUESTS,
 945                                 "RequestableChannelClasses",
 946                                 tp_contact_list_get_requestablechannelclasses_cb,
 947                                 NULL, NULL,
 948                                 G_OBJECT (list));
 949         } else {
 950                 /* we just don't know... better mark the flag just in case */
 951                 priv->flags |= EMPATHY_CONTACT_LIST_CAN_GROUP;
 952         }
 953
 954         tp_connection_call_when_ready (priv->connection, conn_ready_cb,
 955                 g_object_ref (list));
 956 }
 957
 958 static void
 959 tp_contact_list_get_property (GObject    *object,
 960                               guint       param_id,
 961                               GValue     *value,
 962                               GParamSpec *pspec)
 963 {
 964         EmpathyTpContactListPriv *priv = GET_PRIV (object);
 965
 966         switch (param_id) {
 967         case PROP_CONNECTION:
 968                 g_value_set_object (value, priv->connection);
 969                 break;
 970         default:
 971                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 972                 break;
 973         };
 974 }
 975
 976 static void
 977 tp_contact_list_set_property (GObject      *object,
 978                               guint         param_id,
 979                               const GValue *value,
 980                               GParamSpec   *pspec)
 981 {
 982         EmpathyTpContactListPriv *priv = GET_PRIV (object);
 983
 984         switch (param_id) {
 985         case PROP_CONNECTION:
 986                 priv->connection = g_value_dup_object (value);
 987                 break;
 988         default:
 989                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 990                 break;
 991         };
 992 }
 993
 994 static void
 995 empathy_tp_contact_list_class_init (EmpathyTpContactListClass *klass)
 996 {
 997         GObjectClass *object_class = G_OBJECT_CLASS (klass);
 998
 999         object_class->finalize = tp_contact_list_finalize;
1000         object_class->constructed = tp_contact_list_constructed;
1001         object_class->get_property = tp_contact_list_get_property;
1002         object_class->set_property = tp_contact_list_set_property;
1003
1004         g_object_class_install_property (object_class,
1005                                          PROP_CONNECTION,
1006                                          g_param_spec_object ("connection",
1007                                                               "The Connection",
1008                                                               "The connection associated with the contact list",
1009                                                               TP_TYPE_CONNECTION,
1010                                                               G_PARAM_READWRITE |
1011                                                               G_PARAM_CONSTRUCT_ONLY));
1012
1013         g_type_class_add_private (object_class, sizeof (EmpathyTpContactListPriv));
1014 }
1015
1016 static void
1017 tp_contact_list_array_free (gpointer handles)
1018 {
1019         g_array_unref (handles);
1020 }
1021
1022 static void
1023 empathy_tp_contact_list_init (EmpathyTpContactList *list)
1024 {
1025         EmpathyTpContactListPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (list,
1026                 EMPATHY_TYPE_TP_CONTACT_LIST, EmpathyTpContactListPriv);
1027
1028         list->priv = priv;
1029
1030         /* Map group's name to group's TpChannel. The group name string is owned
1031          * by the TpChannel object */
1032         priv->groups = g_hash_table_new_full (g_str_hash, g_str_equal,
1033                                               NULL,
1034                                               (GDestroyNotify) g_object_unref);
1035
1036         /* Map contact's handle to EmpathyContact object */
1037         priv->members = g_hash_table_new_full (g_direct_hash, g_direct_equal,
1038                                                NULL,
1039                                                (GDestroyNotify) g_object_unref);
1040
1041         /* Map contact's handle to EmpathyContact object */
1042         priv->pendings = g_hash_table_new_full (g_direct_hash, g_direct_equal,
1043                                                 NULL,
1044                                                 (GDestroyNotify) g_object_unref);
1045
1046         /* Map group's name to GArray of handle */
1047         priv->add_to_group = g_hash_table_new_full (g_str_hash, g_str_equal,
1048                                                     g_free,
1049                                                     tp_contact_list_array_free);
1050 }
1051
1052 EmpathyTpContactList *
1053 empathy_tp_contact_list_new (TpConnection *connection)
1054 {
1055         return g_object_new (EMPATHY_TYPE_TP_CONTACT_LIST,
1056                              "connection", connection,
1057                              NULL);
1058 }
1059
1060 TpConnection *
1061 empathy_tp_contact_list_get_connection (EmpathyTpContactList *list)
1062 {
1063         EmpathyTpContactListPriv *priv;
1064
1065         g_return_val_if_fail (EMPATHY_IS_TP_CONTACT_LIST (list), NULL);
1066
1067         priv = GET_PRIV (list);
1068
1069         return priv->connection;
1070 }
1071
1072 static void
1073 tp_contact_list_add (EmpathyContactList *list,
1074                      EmpathyContact     *contact,
1075                      const gchar        *message)
1076 {
1077         EmpathyTpContactListPriv *priv = GET_PRIV (list);
1078         TpHandle handle;
1079         GArray handles = {(gchar *) &handle, 1};
1080
1081         handle = empathy_contact_get_handle (contact);
1082
1083         if (priv->subscribe) {
1084                 tp_cli_channel_interface_group_call_add_members (priv->subscribe,
1085                         -1, &handles, message, NULL, NULL, NULL, NULL);
1086         }
1087
1088         if (priv->publish) {
1089                 TpChannelGroupFlags flags = tp_channel_group_get_flags (priv->subscribe);
1090                 if (flags & TP_CHANNEL_GROUP_FLAG_CAN_ADD ||
1091                     g_hash_table_lookup (priv->pendings, GUINT_TO_POINTER (handle))) {
1092                         tp_cli_channel_interface_group_call_add_members (priv->publish,
1093                                 -1, &handles, message, NULL, NULL, NULL, NULL);
1094                 }
1095         }
1096
1097         /* We want to unblock the contact */
1098         if (tp_proxy_has_interface_by_id (priv->connection,
1099                 TP_IFACE_QUARK_CONNECTION_INTERFACE_CONTACT_BLOCKING)) {
1100                 TpContact *tp_contact = empathy_contact_get_tp_contact (contact);
1101
1102                 if (tp_contact != NULL)
1103                         tp_contact_unblock_async (tp_contact, NULL, NULL);
1104         }
1105 }
1106
1107 static void
1108 tp_contact_list_remove (EmpathyContactList *list,
1109                         EmpathyContact     *contact,
1110                         const gchar        *message)
1111 {
1112         EmpathyTpContactListPriv *priv = GET_PRIV (list);
1113         TpHandle handle;
1114         GArray handles = {(gchar *) &handle, 1};
1115
1116         handle = empathy_contact_get_handle (contact);
1117
1118         /* FIXME: this is racy if tp_contact_list_remove is called before the
1119          * 'stored' list has been retrieved. */
1120         if (priv->stored != NULL) {
1121                 tp_cli_channel_interface_group_call_remove_members (priv->stored,
1122                         -1, &handles, message, NULL, NULL, NULL, NULL);
1123         }
1124
1125         if (priv->subscribe) {
1126                 tp_cli_channel_interface_group_call_remove_members (priv->subscribe,
1127                         -1, &handles, message, NULL, NULL, NULL, NULL);
1128         }
1129         if (priv->publish) {
1130                 tp_cli_channel_interface_group_call_remove_members (priv->publish,
1131                         -1, &handles, message, NULL, NULL, NULL, NULL);
1132         }
1133 }
1134
1135 static GList *
1136 tp_contact_list_get_members (EmpathyContactList *list)
1137 {
1138         EmpathyTpContactListPriv *priv = GET_PRIV (list);
1139         GList *ret;
1140
1141         ret = g_hash_table_get_values (priv->members);
1142         g_list_foreach (ret, (GFunc) g_object_ref, NULL);
1143         return ret;
1144 }
1145
1146 static GList *
1147 tp_contact_list_get_pendings (EmpathyContactList *list)
1148 {
1149         EmpathyTpContactListPriv *priv = GET_PRIV (list);
1150         GList *ret;
1151
1152         ret = g_hash_table_get_values (priv->pendings);
1153         g_list_foreach (ret, (GFunc) g_object_ref, NULL);
1154         return ret;
1155 }
1156
1157 static GList *
1158 tp_contact_list_get_all_groups (EmpathyContactList *list)
1159 {
1160         EmpathyTpContactListPriv *priv = GET_PRIV (list);
1161         GList                    *ret, *l;
1162
1163         ret = g_hash_table_get_keys (priv->groups);
1164         for (l = ret; l; l = l->next) {
1165                 l->data = g_strdup (l->data);
1166         }
1167
1168         return ret;
1169 }
1170
1171 static GList *
1172 tp_contact_list_get_groups (EmpathyContactList *list,
1173                             EmpathyContact     *contact)
1174 {
1175         EmpathyTpContactListPriv  *priv = GET_PRIV (list);
1176         GList                     *ret = NULL;
1177         GHashTableIter             iter;
1178         gpointer                   group_name;
1179         gpointer                   channel;
1180         TpHandle                   handle;
1181
1182         handle = empathy_contact_get_handle (contact);
1183         g_hash_table_iter_init (&iter, priv->groups);
1184         while (g_hash_table_iter_next (&iter, &group_name, &channel)) {
1185                 const TpIntSet *members;
1186
1187                 members = tp_channel_group_get_members (channel);
1188                 if (tp_intset_is_member (members, handle)) {
1189                         ret = g_list_prepend (ret, g_strdup (group_name));
1190                 }
1191         }
1192
1193         return ret;
1194 }
1195
1196 static void
1197 tp_contact_list_add_to_group (EmpathyContactList *list,
1198                               EmpathyContact     *contact,
1199                               const gchar        *group_name)
1200 {
1201         TpHandle handle;
1202         GArray *handles;
1203
1204         handle = empathy_contact_get_handle (contact);
1205         handles = g_array_sized_new (FALSE, FALSE, sizeof (TpHandle), 1);
1206         g_array_append_val (handles, handle);
1207         tp_contact_list_group_add (EMPATHY_TP_CONTACT_LIST (list),
1208                                    group_name, handles);
1209 }
1210
1211 static void
1212 tp_contact_list_remove_from_group (EmpathyContactList *list,
1213                                    EmpathyContact     *contact,
1214                                    const gchar        *group_name)
1215 {
1216         EmpathyTpContactListPriv *priv = GET_PRIV (list);
1217         TpChannel                *channel;
1218         TpHandle                  handle;
1219         GArray                    handles = {(gchar *) &handle, 1};
1220
1221         channel = g_hash_table_lookup (priv->groups, group_name);
1222         if (channel == NULL) {
1223                 return;
1224         }
1225
1226         handle = empathy_contact_get_handle (contact);
1227         DEBUG ("remove contact %s (%d) from group %s",
1228                 empathy_contact_get_id (contact), handle, group_name);
1229
1230         tp_cli_channel_interface_group_call_remove_members (channel, -1,
1231                 &handles, NULL, NULL, NULL, NULL, NULL);
1232 }
1233
1234 static void
1235 tp_contact_list_rename_group (EmpathyContactList *list,
1236                               const gchar        *old_group_name,
1237                               const gchar        *new_group_name)
1238 {
1239         EmpathyTpContactListPriv *priv = GET_PRIV (list);
1240         TpChannel                *channel;
1241         const TpIntSet           *members;
1242         GArray                   *handles;
1243
1244         channel = g_hash_table_lookup (priv->groups, old_group_name);
1245         if (channel == NULL) {
1246                 return;
1247         }
1248
1249         DEBUG ("rename group %s to %s", old_group_name, new_group_name);
1250
1251         /* Remove all members and close the old channel */
1252         members = tp_channel_group_get_members (channel);
1253         handles = tp_intset_to_array (members);
1254         tp_cli_channel_interface_group_call_remove_members (channel, -1,
1255                 handles, NULL, NULL, NULL, NULL, NULL);
1256         tp_cli_channel_call_close (channel, -1, NULL, NULL, NULL, NULL);
1257
1258         tp_contact_list_group_add (EMPATHY_TP_CONTACT_LIST (list),
1259                                    new_group_name, handles);
1260 }
1261
1262 static void
1263 tp_contact_list_remove_group (EmpathyContactList *list,
1264                               const gchar *group_name)
1265 {
1266         EmpathyTpContactListPriv *priv = GET_PRIV (list);
1267         TpChannel                *channel;
1268         const TpIntSet           *members;
1269         GArray                   *handles;
1270
1271         channel = g_hash_table_lookup (priv->groups, group_name);
1272         if (channel == NULL) {
1273                 return;
1274         }
1275
1276         DEBUG ("remove group %s", group_name);
1277
1278         /* Remove all members and close the channel */
1279         members = tp_channel_group_get_members (channel);
1280         handles = tp_intset_to_array (members);
1281         tp_cli_channel_interface_group_call_remove_members (channel, -1,
1282                 handles, NULL, NULL, NULL, NULL, NULL);
1283         tp_cli_channel_call_close (channel, -1, NULL, NULL, NULL, NULL);
1284         g_array_unref (handles);
1285 }
1286
1287 static EmpathyContactListFlags
1288 tp_contact_list_get_flags (EmpathyContactList *list)
1289 {
1290         EmpathyTpContactListPriv *priv;
1291         EmpathyContactListFlags flags;
1292
1293         g_return_val_if_fail (EMPATHY_IS_TP_CONTACT_LIST (list), FALSE);
1294
1295         priv = GET_PRIV (list);
1296         flags = priv->flags;
1297
1298         if (priv->subscribe != NULL) {
1299                 TpChannelGroupFlags group_flags;
1300
1301                 group_flags = tp_channel_group_get_flags (priv->subscribe);
1302
1303                 if (group_flags & TP_CHANNEL_GROUP_FLAG_CAN_ADD) {
1304                         flags |= EMPATHY_CONTACT_LIST_CAN_ADD;
1305                 }
1306
1307                 if (group_flags & TP_CHANNEL_GROUP_FLAG_CAN_REMOVE) {
1308                         flags |= EMPATHY_CONTACT_LIST_CAN_REMOVE;
1309                 }
1310
1311                 if (group_flags & TP_CHANNEL_GROUP_FLAG_MESSAGE_ADD) {
1312                         flags |= EMPATHY_CONTACT_LIST_MESSAGE_ADD;
1313                 }
1314         }
1315
1316         return flags;
1317 }
1318
1319 static void
1320 tp_contact_list_iface_init (EmpathyContactListIface *iface)
1321 {
1322         iface->add               = tp_contact_list_add;
1323         iface->remove            = tp_contact_list_remove;
1324         iface->get_members       = tp_contact_list_get_members;
1325         iface->get_pendings      = tp_contact_list_get_pendings;
1326         iface->get_all_groups    = tp_contact_list_get_all_groups;
1327         iface->get_groups        = tp_contact_list_get_groups;
1328         iface->add_to_group      = tp_contact_list_add_to_group;
1329         iface->remove_from_group = tp_contact_list_remove_from_group;
1330         iface->rename_group      = tp_contact_list_rename_group;
1331         iface->remove_group      = tp_contact_list_remove_group;
1332         iface->get_flags         = tp_contact_list_get_flags;
1333 }
1334
1335 void
1336 empathy_tp_contact_list_remove_all (EmpathyTpContactList *list)
1337 {
1338         EmpathyTpContactListPriv *priv = GET_PRIV (list);
1339         GHashTableIter            iter;
1340         gpointer                  contact;
1341
1342         g_return_if_fail (EMPATHY_IS_TP_CONTACT_LIST (list));
1343
1344         /* Remove all contacts */
1345         g_hash_table_iter_init (&iter, priv->members);
1346         while (g_hash_table_iter_next (&iter, NULL, &contact)) {
1347                 g_signal_emit_by_name (list, "members-changed", contact,
1348                                        NULL, 0, NULL,
1349                                        FALSE);
1350         }
1351         g_hash_table_remove_all (priv->members);
1352
1353         g_hash_table_iter_init (&iter, priv->pendings);
1354         while (g_hash_table_iter_next (&iter, NULL, &contact)) {
1355                 g_signal_emit_by_name (list, "pendings-changed", contact,
1356                                        NULL, 0, NULL,
1357                                        FALSE);
1358         }
1359         g_hash_table_remove_all (priv->pendings);
1360 }