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
  33 #include "empathy-tp-contact-list.h"
  34 #include "empathy-tp-contact-factory.h"
  35 #include "empathy-contact-list.h"
  36 #include "empathy-utils.h"
  37
  38 #define DEBUG_FLAG EMPATHY_DEBUG_TP | EMPATHY_DEBUG_CONTACT
  39 #include "empathy-debug.h"
  40
  41 #define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyTpContactList)
  42 typedef struct {
  43         EmpathyTpContactFactory *factory;
  44         TpConnection   *connection;
  45         const gchar    *protocol_group;
  46
  47         TpChannel      *publish;
  48         TpChannel      *subscribe;
  49         GHashTable     *members;
  50         GHashTable     *pendings;
  51         GHashTable     *groups;
  52 } EmpathyTpContactListPriv;
  53
  54 typedef enum {
  55         TP_CONTACT_LIST_TYPE_PUBLISH,
  56         TP_CONTACT_LIST_TYPE_SUBSCRIBE,
  57         TP_CONTACT_LIST_TYPE_UNKNOWN
  58 } TpContactListType;
  59
  60 static void tp_contact_list_iface_init         (EmpathyContactListIface   *iface);
  61
  62 enum {
  63         PROP_0,
  64         PROP_CONNECTION,
  65 };
  66
  67 G_DEFINE_TYPE_WITH_CODE (EmpathyTpContactList, empathy_tp_contact_list, G_TYPE_OBJECT,
  68                          G_IMPLEMENT_INTERFACE (EMPATHY_TYPE_CONTACT_LIST,
  69                                                 tp_contact_list_iface_init));
  70
  71 static void
  72 tp_contact_list_group_invalidated_cb (TpChannel *channel,
  73                                       guint      domain,
  74                                       gint       code,
  75                                       gchar     *message,
  76                                       EmpathyTpContactList *list)
  77 {
  78         EmpathyTpContactListPriv *priv = GET_PRIV (list);
  79         const TpIntSet *members;
  80         TpIntSetIter iter;
  81         const gchar *group_name;
  82
  83         group_name = tp_channel_get_identifier (channel);
  84         DEBUG ("Group %s invalidated. Message: %s", group_name, message);
  85
  86         /* Signal that all members are not in that group anymore */
  87         members = tp_channel_group_get_members (channel);
  88         tp_intset_iter_init (&iter, members);
  89         while (tp_intset_iter_next (&iter)) {
  90                 EmpathyContact *contact;
  91
  92                 contact = g_hash_table_lookup (priv->members,
  93                                                GUINT_TO_POINTER (iter.element));
  94                 if (contact == NULL) {
  95                         continue;
  96                 }
  97
  98                 DEBUG ("Contact %s (%d) removed from group %s",
  99                         empathy_contact_get_id (contact), iter.element,
 100                         group_name);
 101                 g_signal_emit_by_name (list, "groups-changed", contact,
 102                                        group_name,
 103                                        FALSE);
 104         }
 105
 106         g_hash_table_remove (priv->groups, group_name);
 107 }
 108
 109 static void
 110 tp_contact_list_group_ready_cb (TpChannel *channel,
 111                                 const GError *error,
 112                                 gpointer list)
 113 {
 114         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 115
 116         if (error) {
 117                 DEBUG ("Error: %s", error->message);
 118                 g_object_unref (channel);
 119                 return;
 120         }
 121
 122         DEBUG ("Add group %s", tp_channel_get_identifier (channel));
 123         g_hash_table_insert (priv->groups,
 124                              (gpointer) tp_channel_get_identifier (channel),
 125                              channel);
 126
 127         g_signal_connect (channel, "invalidated",
 128                           G_CALLBACK (tp_contact_list_group_invalidated_cb),
 129                           list);
 130 }
 131
 132 static void
 133 tp_contact_list_group_members_changed_cb (TpChannel     *channel,
 134                                           gchar         *message,
 135                                           GArray        *added,
 136                                           GArray        *removed,
 137                                           GArray        *local_pending,
 138                                           GArray        *remote_pending,
 139                                           guint          actor,
 140                                           guint          reason,
 141                                           EmpathyTpContactList *list)
 142 {
 143         EmpathyTpContactListPriv  *priv = GET_PRIV (list);
 144         const gchar *group_name;
 145         gint i;
 146
 147         group_name = tp_channel_get_identifier (channel);
 148
 149         for (i = 0; i < added->len; i++) {
 150                 EmpathyContact *contact;
 151                 TpHandle handle;
 152
 153                 handle = g_array_index (added, TpHandle, i);
 154                 contact = g_hash_table_lookup (priv->members,
 155                                                GUINT_TO_POINTER (handle));
 156                 if (contact == NULL) {
 157                         continue;
 158                 }
 159
 160                 DEBUG ("Contact %s (%d) added to group %s",
 161                         empathy_contact_get_id (contact), handle, group_name);
 162                 g_signal_emit_by_name (list, "groups-changed", contact,
 163                                        group_name,
 164                                        TRUE);
 165         }
 166
 167         for (i = 0; i < removed->len; i++) {
 168                 EmpathyContact *contact;
 169                 TpHandle handle;
 170
 171                 handle = g_array_index (removed, TpHandle, i);
 172                 contact = g_hash_table_lookup (priv->members,
 173                                                GUINT_TO_POINTER (handle));
 174                 if (contact == NULL) {
 175                         continue;
 176                 }
 177
 178                 DEBUG ("Contact %s (%d) removed from group %s",
 179                         empathy_contact_get_id (contact), handle, group_name);
 180
 181                 g_signal_emit_by_name (list, "groups-changed", contact,
 182                                        group_name,
 183                                        FALSE);
 184         }
 185 }
 186
 187 static TpChannel *
 188 tp_contact_list_group_add_channel (EmpathyTpContactList *list,
 189                                    const gchar          *object_path,
 190                                    const gchar          *channel_type,
 191                                    TpHandleType          handle_type,
 192                                    guint                 handle)
 193 {
 194         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 195         TpChannel                *channel;
 196
 197         /* Only accept server-side contact groups */
 198         if (tp_strdiff (channel_type, TP_IFACE_CHANNEL_TYPE_CONTACT_LIST) ||
 199             handle_type != TP_HANDLE_TYPE_GROUP) {
 200                 return NULL;
 201         }
 202
 203         channel = tp_channel_new (priv->connection,
 204                                   object_path, channel_type,
 205                                   handle_type, handle, NULL);
 206
 207         /* TpChannel emits initial set of members just before being ready */
 208         g_signal_connect (channel, "group-members-changed",
 209                           G_CALLBACK (tp_contact_list_group_members_changed_cb),
 210                           list);
 211
 212         /* Give the ref to the callback */
 213         tp_channel_call_when_ready (channel,
 214                                     tp_contact_list_group_ready_cb,
 215                                     list);
 216
 217         return channel;
 218 }
 219
 220 typedef struct {
 221         GArray *handles;
 222         TpHandle channel_handle;
 223         guint ref_count;
 224 } GroupAddData;
 225
 226 static void
 227 tp_contact_list_group_add_data_unref (gpointer user_data)
 228 {
 229         GroupAddData *data = user_data;
 230
 231         if (--data->ref_count == 0) {
 232                 g_array_free (data->handles, TRUE);
 233                 g_slice_free (GroupAddData, data);
 234         }
 235 }
 236
 237 static void
 238 tp_contact_list_group_add_ready_cb (TpChannel    *channel,
 239                                     const GError *error,
 240                                     gpointer      user_data)
 241 {
 242         GroupAddData *data = user_data;
 243
 244         if (error) {
 245                 tp_contact_list_group_add_data_unref (data);
 246                 return;
 247         }
 248
 249         tp_cli_channel_interface_group_call_add_members (channel, -1,
 250                 data->handles, NULL, NULL, NULL, NULL, NULL);
 251         tp_contact_list_group_add_data_unref (data);
 252 }
 253
 254 static void
 255 tp_contact_list_group_request_channel_cb (TpConnection *connection,
 256                                           const gchar  *object_path,
 257                                           const GError *error,
 258                                           gpointer      user_data,
 259                                           GObject      *list)
 260 {
 261         GroupAddData *data = user_data;
 262         TpChannel *channel;
 263
 264         if (error) {
 265                 DEBUG ("Error: %s", error->message);
 266                 return;
 267         }
 268
 269         channel = tp_contact_list_group_add_channel (EMPATHY_TP_CONTACT_LIST (list),
 270                                                      object_path,
 271                                                      TP_IFACE_CHANNEL_TYPE_CONTACT_LIST,
 272                                                      TP_HANDLE_TYPE_GROUP,
 273                                                      data->channel_handle);
 274
 275         data->ref_count++;
 276         tp_channel_call_when_ready (channel,
 277                                     tp_contact_list_group_add_ready_cb,
 278                                     data);
 279 }
 280
 281 static void
 282 tp_contact_list_group_request_handles_cb (TpConnection *connection,
 283                                           const GArray *handles,
 284                                           const GError *error,
 285                                           gpointer      user_data,
 286                                           GObject      *list)
 287 {
 288         GroupAddData *data = user_data;
 289
 290         if (error) {
 291                 DEBUG ("Error: %s", error->message);
 292                 return;
 293         }
 294
 295         data->channel_handle = g_array_index (handles, TpHandle, 0);
 296         data->ref_count++;
 297         tp_cli_connection_call_request_channel (connection, -1,
 298                                                 TP_IFACE_CHANNEL_TYPE_CONTACT_LIST,
 299                                                 TP_HANDLE_TYPE_GROUP,
 300                                                 data->channel_handle,
 301                                                 TRUE,
 302                                                 tp_contact_list_group_request_channel_cb,
 303                                                 data, tp_contact_list_group_add_data_unref,
 304                                                 list);
 305 }
 306
 307 static void
 308 tp_contact_list_group_add (EmpathyTpContactList *list,
 309                            const gchar          *group_name,
 310                            GArray               *handles)
 311 {
 312         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 313         TpChannel                *channel;
 314         const gchar              *names[] = {group_name, NULL};
 315         GroupAddData             *data;
 316
 317         channel = g_hash_table_lookup (priv->groups, group_name);
 318         if (channel) {
 319                 tp_cli_channel_interface_group_call_add_members (channel, -1,
 320                         handles, NULL, NULL, NULL, NULL, NULL);
 321                 g_array_free (handles, TRUE);
 322                 return;
 323         }
 324
 325         data = g_slice_new0 (GroupAddData);
 326         data->handles = handles;
 327         data->ref_count = 1;
 328         tp_cli_connection_call_request_handles (priv->connection, -1,
 329                                                 TP_HANDLE_TYPE_GROUP, names,
 330                                                 tp_contact_list_group_request_handles_cb,
 331                                                 data, tp_contact_list_group_add_data_unref,
 332                                                 G_OBJECT (list));
 333 }
 334
 335 static void
 336 tp_contact_list_got_added_members_cb (EmpathyTpContactFactory *factory,
 337                                       guint                    n_contacts,
 338                                       EmpathyContact * const * contacts,
 339                                       guint                    n_failed,
 340                                       const TpHandle          *failed,
 341                                       const GError            *error,
 342                                       gpointer                 user_data,
 343                                       GObject                 *list)
 344 {
 345         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 346         guint i;
 347
 348         if (error) {
 349                 DEBUG ("Error: %s", error->message);
 350                 return;
 351         }
 352
 353         for (i = 0; i < n_contacts; i++) {
 354                 EmpathyContact *contact = contacts[i];
 355                 TpHandle handle;
 356
 357                 handle = empathy_contact_get_handle (contact);
 358                 if (g_hash_table_lookup (priv->members, GUINT_TO_POINTER (handle)))
 359                         continue;
 360
 361                 /* Add to the list and emit signal */
 362                 g_hash_table_insert (priv->members, GUINT_TO_POINTER (handle),
 363                                      g_object_ref (contact));
 364                 g_signal_emit_by_name (list, "members-changed", contact,
 365                                        0, 0, NULL, TRUE);
 366
 367                 /* This contact is now member, implicitly accept pending. */
 368                 if (g_hash_table_lookup (priv->pendings, GUINT_TO_POINTER (handle))) {
 369                         GArray handles = {(gchar*) &handle, 1};
 370
 371                         tp_cli_channel_interface_group_call_add_members (priv->publish,
 372                                 -1, &handles, NULL, NULL, NULL, NULL, NULL);
 373                 }
 374         }
 375 }
 376
 377 static void
 378 tp_contact_list_got_local_pending_cb (EmpathyTpContactFactory *factory,
 379                                       guint                    n_contacts,
 380                                       EmpathyContact * const * contacts,
 381                                       guint                    n_failed,
 382                                       const TpHandle          *failed,
 383                                       const GError            *error,
 384                                       gpointer                 user_data,
 385                                       GObject                 *list)
 386 {
 387         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 388         guint i;
 389
 390         if (error) {
 391                 DEBUG ("Error: %s", error->message);
 392                 return;
 393         }
 394
 395         for (i = 0; i < n_contacts; i++) {
 396                 EmpathyContact *contact = contacts[i];
 397                 TpHandle handle;
 398                 const gchar *message;
 399                 TpChannelGroupChangeReason reason;
 400
 401                 handle = empathy_contact_get_handle (contact);
 402                 if (g_hash_table_lookup (priv->members, GUINT_TO_POINTER (handle))) {
 403                         GArray handles = {(gchar*) &handle, 1};
 404
 405                         /* This contact is already member, auto accept. */
 406                         tp_cli_channel_interface_group_call_add_members (priv->publish,
 407                                 -1, &handles, NULL, NULL, NULL, NULL, NULL);
 408                 }
 409                 else if (tp_channel_group_get_local_pending_info (priv->publish,
 410                                                                   handle,
 411                                                                   NULL,
 412                                                                   &reason,
 413                                                                   &message)) {
 414                         /* Add contact to pendings */
 415                         g_hash_table_insert (priv->pendings, GUINT_TO_POINTER (handle),
 416                                              g_object_ref (contact));
 417                         g_signal_emit_by_name (list, "pendings-changed", contact,
 418                                                contact, reason, message, TRUE);
 419                 }
 420         }
 421 }
 422
 423 static void
 424 tp_contact_list_remove_handle (EmpathyTpContactList *list,
 425                                GHashTable *table,
 426                                TpHandle handle)
 427 {
 428         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 429         EmpathyContact *contact;
 430         const gchar *signal;
 431
 432         if (table == priv->pendings)
 433                 signal = "pendings-changed";
 434         else if (table == priv->members)
 435                 signal = "members-changed";
 436         else
 437                 return;
 438
 439         contact = g_hash_table_lookup (table, GUINT_TO_POINTER (handle));
 440         if (contact) {
 441                 g_object_ref (contact);
 442                 g_hash_table_remove (table, GUINT_TO_POINTER (handle));
 443                 g_signal_emit_by_name (list, signal, contact, 0, 0, NULL,
 444                                        FALSE);
 445                 g_object_unref (contact);
 446         }
 447 }
 448
 449 static void
 450 tp_contact_list_publish_group_members_changed_cb (TpChannel     *channel,
 451                                                   gchar         *message,
 452                                                   GArray        *added,
 453                                                   GArray        *removed,
 454                                                   GArray        *local_pending,
 455                                                   GArray        *remote_pending,
 456                                                   TpHandle       actor,
 457                                                   TpChannelGroupChangeReason reason,
 458                                                   EmpathyTpContactList *list)
 459 {
 460         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 461         guint i;
 462
 463         /* We now send our presence to those contacts, remove them from pendings */
 464         for (i = 0; i < added->len; i++) {
 465                 tp_contact_list_remove_handle (list, priv->pendings,
 466                         g_array_index (added, TpHandle, i));
 467         }
 468
 469         /* We refuse to send our presence to those contacts, remove from pendings */
 470         for (i = 0; i < removed->len; i++) {
 471                 tp_contact_list_remove_handle (list, priv->pendings,
 472                         g_array_index (added, TpHandle, i));
 473         }
 474
 475         /* Those contacts want our presence, auto accept those that are already
 476          * member, otherwise add in pendings. */
 477         if (local_pending->len > 0) {
 478                 empathy_tp_contact_factory_get_from_handles (priv->factory,
 479                         local_pending->len, (TpHandle*) local_pending->data,
 480                         tp_contact_list_got_local_pending_cb, NULL, NULL,
 481                         G_OBJECT (list));
 482         }
 483 }
 484
 485 static void
 486 tp_contact_list_publish_request_channel_cb (TpConnection *connection,
 487                                             const gchar  *object_path,
 488                                             const GError *error,
 489                                             gpointer      user_data,
 490                                             GObject      *list)
 491 {
 492         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 493
 494         if (error) {
 495                 DEBUG ("Error: %s", error->message);
 496                 return;
 497         }
 498
 499         priv->publish = tp_channel_new (connection, object_path,
 500                                         TP_IFACE_CHANNEL_TYPE_CONTACT_LIST,
 501                                         TP_HANDLE_TYPE_LIST,
 502                                         GPOINTER_TO_UINT (user_data),
 503                                         NULL);
 504
 505         /* TpChannel emits initial set of members just before being ready */
 506         g_signal_connect (priv->publish, "group-members-changed",
 507                           G_CALLBACK (tp_contact_list_publish_group_members_changed_cb),
 508                           list);
 509 }
 510
 511 static void
 512 tp_contact_list_publish_request_handle_cb (TpConnection *connection,
 513                                            const GArray *handles,
 514                                            const GError *error,
 515                                            gpointer      user_data,
 516                                            GObject      *list)
 517 {
 518         TpHandle handle;
 519
 520         if (error) {
 521                 DEBUG ("Error: %s", error->message);
 522                 return;
 523         }
 524
 525         handle = g_array_index (handles, TpHandle, 0);
 526         tp_cli_connection_call_request_channel (connection, -1,
 527                                                 TP_IFACE_CHANNEL_TYPE_CONTACT_LIST,
 528                                                 TP_HANDLE_TYPE_LIST,
 529                                                 handle,
 530                                                 TRUE,
 531                                                 tp_contact_list_publish_request_channel_cb,
 532                                                 GUINT_TO_POINTER (handle), NULL,
 533                                                 list);
 534 }
 535
 536 static void
 537 tp_contact_list_subscribe_group_members_changed_cb (TpChannel     *channel,
 538                                                     gchar         *message,
 539                                                     GArray        *added,
 540                                                     GArray        *removed,
 541                                                     GArray        *local_pending,
 542                                                     GArray        *remote_pending,
 543                                                     guint          actor,
 544                                                     guint          reason,
 545                                                     EmpathyTpContactList *list)
 546 {
 547         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 548         guint i;
 549
 550         /* We now get the presence of those contacts, add them to members */
 551         if (added->len > 0) {
 552                 empathy_tp_contact_factory_get_from_handles (priv->factory,
 553                         added->len, (TpHandle*) added->data,
 554                         tp_contact_list_got_added_members_cb, NULL, NULL,
 555                         G_OBJECT (list));
 556         }
 557
 558         /* Those contacts refuse to send us their presence, remove from members. */
 559         for (i = 0; i < removed->len; i++) {
 560                 tp_contact_list_remove_handle (list, priv->members,
 561                         g_array_index (added, TpHandle, i));
 562         }
 563
 564         /* We want those contacts in our contact list but we don't get their
 565          * presence yet. Add to members anyway. */
 566         if (remote_pending->len > 0) {
 567                 empathy_tp_contact_factory_get_from_handles (priv->factory,
 568                         remote_pending->len, (TpHandle*) remote_pending->data,
 569                         tp_contact_list_got_added_members_cb, NULL, NULL,
 570                         G_OBJECT (list));
 571         }
 572 }
 573
 574 static void
 575 tp_contact_list_subscribe_request_channel_cb (TpConnection *connection,
 576                                               const gchar  *object_path,
 577                                               const GError *error,
 578                                               gpointer      user_data,
 579                                               GObject      *list)
 580 {
 581         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 582
 583         if (error) {
 584                 DEBUG ("Error: %s", error->message);
 585                 return;
 586         }
 587
 588         priv->subscribe = tp_channel_new (connection, object_path,
 589                                           TP_IFACE_CHANNEL_TYPE_CONTACT_LIST,
 590                                           TP_HANDLE_TYPE_LIST,
 591                                           GPOINTER_TO_UINT (user_data),
 592                                           NULL);
 593
 594         /* TpChannel emits initial set of members just before being ready */
 595         g_signal_connect (priv->subscribe, "group-members-changed",
 596                           G_CALLBACK (tp_contact_list_subscribe_group_members_changed_cb),
 597                           list);
 598 }
 599
 600 static void
 601 tp_contact_list_subscribe_request_handle_cb (TpConnection *connection,
 602                                              const GArray *handles,
 603                                              const GError *error,
 604                                              gpointer      user_data,
 605                                              GObject      *list)
 606 {
 607         TpHandle handle;
 608
 609         if (error) {
 610                 DEBUG ("Error: %s", error->message);
 611                 return;
 612         }
 613
 614         handle = g_array_index (handles, TpHandle, 0);
 615         tp_cli_connection_call_request_channel (connection, -1,
 616                                                 TP_IFACE_CHANNEL_TYPE_CONTACT_LIST,
 617                                                 TP_HANDLE_TYPE_LIST,
 618                                                 handle,
 619                                                 TRUE,
 620                                                 tp_contact_list_subscribe_request_channel_cb,
 621                                                 GUINT_TO_POINTER (handle), NULL,
 622                                                 list);
 623 }
 624
 625 static void
 626 tp_contact_list_new_channel_cb (TpConnection *proxy,
 627                                 const gchar  *object_path,
 628                                 const gchar  *channel_type,
 629                                 guint         handle_type,
 630                                 guint         handle,
 631                                 gboolean      suppress_handler,
 632                                 gpointer      user_data,
 633                                 GObject      *list)
 634 {
 635         if (!suppress_handler) {
 636                 tp_contact_list_group_add_channel (EMPATHY_TP_CONTACT_LIST (list),
 637                                                    object_path, channel_type,
 638                                                    handle_type, handle);
 639         }
 640 }
 641
 642 static void
 643 tp_contact_list_list_channels_cb (TpConnection    *connection,
 644                                   const GPtrArray *channels,
 645                                   const GError    *error,
 646                                   gpointer         user_data,
 647                                   GObject         *list)
 648 {
 649         guint i;
 650
 651         if (error) {
 652                 DEBUG ("Error: %s", error->message);
 653                 return;
 654         }
 655
 656         for (i = 0; i < channels->len; i++) {
 657                 GValueArray  *chan_struct;
 658                 const gchar  *object_path;
 659                 const gchar  *channel_type;
 660                 TpHandleType  handle_type;
 661                 guint         handle;
 662
 663                 chan_struct = g_ptr_array_index (channels, i);
 664                 object_path = g_value_get_boxed (g_value_array_get_nth (chan_struct, 0));
 665                 channel_type = g_value_get_string (g_value_array_get_nth (chan_struct, 1));
 666                 handle_type = g_value_get_uint (g_value_array_get_nth (chan_struct, 2));
 667                 handle = g_value_get_uint (g_value_array_get_nth (chan_struct, 3));
 668
 669                 tp_contact_list_group_add_channel (EMPATHY_TP_CONTACT_LIST (list),
 670                                                    object_path, channel_type,
 671                                                    handle_type, handle);
 672         }
 673 }
 674
 675 static void
 676 tp_contact_list_finalize (GObject *object)
 677 {
 678         EmpathyTpContactListPriv *priv;
 679         EmpathyTpContactList     *list;
 680         GHashTableIter            iter;
 681         gpointer                  channel;
 682
 683         list = EMPATHY_TP_CONTACT_LIST (object);
 684         priv = GET_PRIV (list);
 685
 686         DEBUG ("finalize: %p", object);
 687
 688         if (priv->subscribe) {
 689                 g_object_unref (priv->subscribe);
 690         }
 691         if (priv->publish) {
 692                 g_object_unref (priv->publish);
 693         }
 694
 695         if (priv->connection) {
 696                 g_object_unref (priv->connection);
 697         }
 698
 699         if (priv->factory) {
 700                 g_object_unref (priv->factory);
 701         }
 702
 703         g_hash_table_iter_init (&iter, priv->groups);
 704         while (g_hash_table_iter_next (&iter, NULL, &channel)) {
 705                 g_signal_handlers_disconnect_by_func (channel,
 706                         tp_contact_list_group_invalidated_cb, list);
 707         }
 708
 709         g_hash_table_destroy (priv->groups);
 710         g_hash_table_destroy (priv->members);
 711         g_hash_table_destroy (priv->pendings);
 712
 713         G_OBJECT_CLASS (empathy_tp_contact_list_parent_class)->finalize (object);
 714 }
 715
 716 static void
 717 tp_contact_list_constructed (GObject *list)
 718 {
 719
 720         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 721         gchar                    *protocol_name = NULL;
 722         const gchar              *names[] = {NULL, NULL};
 723
 724         priv->factory = empathy_tp_contact_factory_dup_singleton (priv->connection);
 725
 726         names[0] = "publish";
 727         tp_cli_connection_call_request_handles (priv->connection,
 728                                                 -1,
 729                                                 TP_HANDLE_TYPE_LIST,
 730                                                 names,
 731                                                 tp_contact_list_publish_request_handle_cb,
 732                                                 NULL, NULL,
 733                                                 G_OBJECT (list));
 734         names[0] = "subscribe";
 735         tp_cli_connection_call_request_handles (priv->connection,
 736                                                 -1,
 737                                                 TP_HANDLE_TYPE_LIST,
 738                                                 names,
 739                                                 tp_contact_list_subscribe_request_handle_cb,
 740                                                 NULL, NULL,
 741                                                 G_OBJECT (list));
 742
 743         tp_cli_connection_call_list_channels (priv->connection, -1,
 744                                               tp_contact_list_list_channels_cb,
 745                                               NULL, NULL,
 746                                               list);
 747
 748         tp_cli_connection_connect_to_new_channel (priv->connection,
 749                                                   tp_contact_list_new_channel_cb,
 750                                                   NULL, NULL,
 751                                                   list, NULL);
 752
 753         /* Check for protocols that does not support contact groups. We can
 754          * put all contacts into a special group in that case.
 755          * FIXME: Default group should be an information in the profile
 756          * FIXME: replace with tp_connection_parse_object_path once released */
 757         protocol_name = empathy_connection_get_protocol (priv->connection, NULL);
 758         if (!tp_strdiff (protocol_name, "local-xmpp")) {
 759                 priv->protocol_group = _("People nearby");
 760         }
 761         g_free (protocol_name);
 762 }
 763
 764 static void
 765 tp_contact_list_get_property (GObject    *object,
 766                               guint       param_id,
 767                               GValue     *value,
 768                               GParamSpec *pspec)
 769 {
 770         EmpathyTpContactListPriv *priv = GET_PRIV (object);
 771
 772         switch (param_id) {
 773         case PROP_CONNECTION:
 774                 g_value_set_object (value, priv->connection);
 775                 break;
 776         default:
 777                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 778                 break;
 779         };
 780 }
 781
 782 static void
 783 tp_contact_list_set_property (GObject      *object,
 784                               guint         param_id,
 785                               const GValue *value,
 786                               GParamSpec   *pspec)
 787 {
 788         EmpathyTpContactListPriv *priv = GET_PRIV (object);
 789
 790         switch (param_id) {
 791         case PROP_CONNECTION:
 792                 priv->connection = g_value_dup_object (value);
 793                 break;
 794         default:
 795                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 796                 break;
 797         };
 798 }
 799
 800 static void
 801 empathy_tp_contact_list_class_init (EmpathyTpContactListClass *klass)
 802 {
 803         GObjectClass *object_class = G_OBJECT_CLASS (klass);
 804
 805         object_class->finalize = tp_contact_list_finalize;
 806         object_class->constructed = tp_contact_list_constructed;
 807         object_class->get_property = tp_contact_list_get_property;
 808         object_class->set_property = tp_contact_list_set_property;
 809
 810         g_object_class_install_property (object_class,
 811                                          PROP_CONNECTION,
 812                                          g_param_spec_object ("connection",
 813                                                               "The Connection",
 814                                                               "The connection associated with the contact list",
 815                                                               TP_TYPE_CONNECTION,
 816                                                               G_PARAM_READWRITE |
 817                                                               G_PARAM_CONSTRUCT_ONLY));
 818
 819         g_type_class_add_private (object_class, sizeof (EmpathyTpContactListPriv));
 820 }
 821
 822 static void
 823 empathy_tp_contact_list_init (EmpathyTpContactList *list)
 824 {
 825         EmpathyTpContactListPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (list,
 826                 EMPATHY_TYPE_TP_CONTACT_LIST, EmpathyTpContactListPriv);
 827
 828         list->priv = priv;
 829
 830         /* Map group's name to group's channel */
 831         priv->groups = g_hash_table_new_full (g_str_hash, g_str_equal,
 832                                               NULL,
 833                                               (GDestroyNotify) g_object_unref);
 834
 835         /* Map contact's handle to EmpathyContact object */
 836         priv->members = g_hash_table_new_full (g_direct_hash, g_direct_equal,
 837                                                NULL,
 838                                                (GDestroyNotify) g_object_unref);
 839
 840         /* Map contact's handle to EmpathyContact object */
 841         priv->pendings = g_hash_table_new_full (g_direct_hash, g_direct_equal,
 842                                                 NULL,
 843                                                 (GDestroyNotify) g_object_unref);
 844 }
 845
 846 EmpathyTpContactList *
 847 empathy_tp_contact_list_new (TpConnection *connection)
 848 {
 849         return g_object_new (EMPATHY_TYPE_TP_CONTACT_LIST,
 850                              "connection", connection,
 851                              NULL);
 852 }
 853
 854 TpConnection *
 855 empathy_tp_contact_list_get_connection (EmpathyTpContactList *list)
 856 {
 857         EmpathyTpContactListPriv *priv;
 858
 859         g_return_val_if_fail (EMPATHY_IS_TP_CONTACT_LIST (list), NULL);
 860
 861         priv = GET_PRIV (list);
 862
 863         return priv->connection;
 864 }
 865
 866 static void
 867 tp_contact_list_add (EmpathyContactList *list,
 868                      EmpathyContact     *contact,
 869                      const gchar        *message)
 870 {
 871         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 872         TpHandle handle;
 873         GArray handles = {(gchar *) &handle, 1};
 874
 875         handle = empathy_contact_get_handle (contact);
 876         if (priv->subscribe) {
 877                 tp_cli_channel_interface_group_call_add_members (priv->subscribe,
 878                         -1, &handles, message, NULL, NULL, NULL, NULL);
 879         }
 880 }
 881
 882 static void
 883 tp_contact_list_remove (EmpathyContactList *list,
 884                         EmpathyContact     *contact,
 885                         const gchar        *message)
 886 {
 887         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 888         TpHandle handle;
 889         GArray handles = {(gchar *) &handle, 1};
 890
 891         handle = empathy_contact_get_handle (contact);
 892         if (priv->subscribe) {
 893                 tp_cli_channel_interface_group_call_remove_members (priv->subscribe,
 894                         -1, &handles, message, NULL, NULL, NULL, NULL);
 895         }
 896         if (priv->publish) {
 897                 tp_cli_channel_interface_group_call_remove_members (priv->publish,
 898                         -1, &handles, message, NULL, NULL, NULL, NULL);
 899         }
 900 }
 901
 902 static GList *
 903 tp_contact_list_get_members (EmpathyContactList *list)
 904 {
 905         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 906         GList *ret;
 907
 908         ret = g_hash_table_get_values (priv->members);
 909         g_list_foreach (ret, (GFunc) g_object_ref, NULL);
 910         return ret;
 911 }
 912
 913 static GList *
 914 tp_contact_list_get_pendings (EmpathyContactList *list)
 915 {
 916         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 917         GList *ret;
 918
 919         ret = g_hash_table_get_values (priv->pendings);
 920         g_list_foreach (ret, (GFunc) g_object_ref, NULL);
 921         return ret;
 922 }
 923
 924 static GList *
 925 tp_contact_list_get_all_groups (EmpathyContactList *list)
 926 {
 927         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 928         GList                    *ret, *l;
 929
 930         ret = g_hash_table_get_keys (priv->groups);
 931         for (l = ret; l; l = l->next) {
 932                 l->data = g_strdup (l->data);
 933         }
 934
 935         if (priv->protocol_group) {
 936                 ret = g_list_prepend (ret, g_strdup (priv->protocol_group));
 937         }
 938
 939         return ret;
 940 }
 941
 942 static GList *
 943 tp_contact_list_get_groups (EmpathyContactList *list,
 944                             EmpathyContact     *contact)
 945 {
 946         EmpathyTpContactListPriv  *priv = GET_PRIV (list);
 947         GList                     *ret = NULL;
 948         GHashTableIter             iter;
 949         gpointer                   group_name;
 950         gpointer                   channel;
 951         TpHandle                   handle;
 952
 953         handle = empathy_contact_get_handle (contact);
 954         g_hash_table_iter_init (&iter, priv->groups);
 955         while (g_hash_table_iter_next (&iter, &group_name, &channel)) {
 956                 const TpIntSet *members;
 957
 958                 members = tp_channel_group_get_members (channel);
 959                 if (tp_intset_is_member (members, handle)) {
 960                         ret = g_list_prepend (ret, g_strdup (group_name));
 961                 }
 962         }
 963
 964         if (priv->protocol_group) {
 965                 ret = g_list_prepend (ret, g_strdup (priv->protocol_group));
 966         }
 967
 968         return ret;
 969 }
 970
 971 static void
 972 tp_contact_list_add_to_group (EmpathyContactList *list,
 973                               EmpathyContact     *contact,
 974                               const gchar        *group_name)
 975 {
 976         TpHandle handle;
 977         GArray *handles;
 978
 979         handle = empathy_contact_get_handle (contact);
 980         handles = g_array_sized_new (FALSE, FALSE, sizeof (TpHandle), 1);
 981         g_array_append_val (handles, handle);
 982         tp_contact_list_group_add (EMPATHY_TP_CONTACT_LIST (list),
 983                                    group_name, handles);
 984 }
 985
 986 static void
 987 tp_contact_list_remove_from_group (EmpathyContactList *list,
 988                                    EmpathyContact     *contact,
 989                                    const gchar        *group_name)
 990 {
 991         EmpathyTpContactListPriv *priv = GET_PRIV (list);
 992         TpChannel                *channel;
 993         TpHandle                  handle;
 994         GArray                    handles = {(gchar *) &handle, 1};
 995
 996         channel = g_hash_table_lookup (priv->groups, group_name);
 997         if (channel == NULL) {
 998                 return;
 999         }
1000
1001         handle = empathy_contact_get_handle (contact);
1002         DEBUG ("remove contact %s (%d) from group %s",
1003                 empathy_contact_get_id (contact), handle, group_name);
1004
1005         tp_cli_channel_interface_group_call_remove_members (channel, -1,
1006                 &handles, NULL, NULL, NULL, NULL, NULL);
1007 }
1008
1009 static void
1010 tp_contact_list_rename_group (EmpathyContactList *list,
1011                               const gchar        *old_group_name,
1012                               const gchar        *new_group_name)
1013 {
1014         EmpathyTpContactListPriv *priv = GET_PRIV (list);
1015         TpChannel                *channel;
1016         const TpIntSet           *members;
1017         GArray                   *handles;
1018
1019         channel = g_hash_table_lookup (priv->groups, old_group_name);
1020         if (channel == NULL) {
1021                 return;
1022         }
1023
1024         DEBUG ("rename group %s to %s", old_group_name, new_group_name);
1025
1026         /* Remove all members and close the old channel */
1027         members = tp_channel_group_get_members (channel);
1028         handles = tp_intset_to_array (members);
1029         tp_cli_channel_interface_group_call_remove_members (channel, -1,
1030                 handles, NULL, NULL, NULL, NULL, NULL);
1031         tp_cli_channel_call_close (channel, -1, NULL, NULL, NULL, NULL);
1032
1033         tp_contact_list_group_add (EMPATHY_TP_CONTACT_LIST (list),
1034                                    new_group_name, handles);
1035 }
1036
1037 static void
1038 tp_contact_list_remove_group (EmpathyContactList *list,
1039                               const gchar *group_name)
1040 {
1041         EmpathyTpContactListPriv *priv = GET_PRIV (list);
1042         TpChannel                *channel;
1043         const TpIntSet           *members;
1044         GArray                   *handles;
1045
1046         channel = g_hash_table_lookup (priv->groups, group_name);
1047         if (channel == NULL) {
1048                 return;
1049         }
1050
1051         DEBUG ("remove group %s", group_name);
1052
1053         /* Remove all members and close the channel */
1054         members = tp_channel_group_get_members (channel);
1055         handles = tp_intset_to_array (members);
1056         tp_cli_channel_interface_group_call_remove_members (channel, -1,
1057                 handles, NULL, NULL, NULL, NULL, NULL);
1058         tp_cli_channel_call_close (channel, -1, NULL, NULL, NULL, NULL);
1059         g_array_free (handles, TRUE);
1060 }
1061
1062 static void
1063 tp_contact_list_iface_init (EmpathyContactListIface *iface)
1064 {
1065         iface->add               = tp_contact_list_add;
1066         iface->remove            = tp_contact_list_remove;
1067         iface->get_members       = tp_contact_list_get_members;
1068         iface->get_pendings      = tp_contact_list_get_pendings;
1069         iface->get_all_groups    = tp_contact_list_get_all_groups;
1070         iface->get_groups        = tp_contact_list_get_groups;
1071         iface->add_to_group      = tp_contact_list_add_to_group;
1072         iface->remove_from_group = tp_contact_list_remove_from_group;
1073         iface->rename_group      = tp_contact_list_rename_group;
1074         iface->remove_group      = tp_contact_list_remove_group;
1075 }
1076
1077 gboolean
1078 empathy_tp_contact_list_can_add (EmpathyTpContactList *list)
1079 {
1080         EmpathyTpContactListPriv *priv;
1081         TpChannelGroupFlags       flags;
1082
1083         g_return_val_if_fail (EMPATHY_IS_TP_CONTACT_LIST (list), FALSE);
1084
1085         priv = GET_PRIV (list);
1086
1087         if (priv->subscribe == NULL)
1088                 return FALSE;
1089
1090         flags = tp_channel_group_get_flags (priv->subscribe);
1091         return (flags & TP_CHANNEL_GROUP_FLAG_CAN_ADD) != 0;
1092 }
1093
1094 void
1095 empathy_tp_contact_list_remove_all (EmpathyTpContactList *list)
1096 {
1097         EmpathyTpContactListPriv *priv = GET_PRIV (list);
1098         GHashTableIter            iter;
1099         gpointer                  contact;
1100
1101         g_return_if_fail (EMPATHY_IS_TP_CONTACT_LIST (list));
1102
1103         /* Remove all contacts */
1104         g_hash_table_iter_init (&iter, priv->members);
1105         while (g_hash_table_iter_next (&iter, NULL, &contact)) {
1106                 g_signal_emit_by_name (list, "members-changed", contact,
1107                                        NULL, 0, NULL,
1108                                        FALSE);
1109         }
1110         g_hash_table_remove_all (priv->members);
1111
1112         g_hash_table_iter_init (&iter, priv->pendings);
1113         while (g_hash_table_iter_next (&iter, NULL, &contact)) {
1114                 g_signal_emit_by_name (list, "pendings-changed", contact,
1115                                        NULL, 0, NULL,
1116                                        FALSE);
1117         }
1118         g_hash_table_remove_all (priv->pendings);
1119 }
1120