libempathy/empathy-contact-manager.c

   1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
   2 /*
   3  * Copyright (C) 2007-2008 Collabora Ltd.
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2.1 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  18  *
  19  * Authors: Xavier Claessens <xclaesse@gmail.com>
  20  */
  21
  22 #include <config.h>
  23
  24 #include <string.h>
  25
  26 #include <telepathy-glib/account-manager.h>
  27 #include <telepathy-glib/enums.h>
  28
  29 #include "empathy-contact-manager.h"
  30 #include "empathy-contact-monitor.h"
  31 #include "empathy-contact-list.h"
  32 #include "empathy-utils.h"
  33
  34 #define DEBUG_FLAG EMPATHY_DEBUG_CONTACT
  35 #include "empathy-debug.h"
  36
  37 #define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyContactManager)
  38 typedef struct {
  39         GHashTable     *lists;
  40         TpAccountManager *account_manager;
  41         EmpathyContactMonitor *contact_monitor;
  42 } EmpathyContactManagerPriv;
  43
  44 static void contact_manager_iface_init         (EmpathyContactListIface    *iface);
  45
  46 G_DEFINE_TYPE_WITH_CODE (EmpathyContactManager, empathy_contact_manager, G_TYPE_OBJECT,
  47                          G_IMPLEMENT_INTERFACE (EMPATHY_TYPE_CONTACT_LIST,
  48                                                 contact_manager_iface_init));
  49
  50 static EmpathyContactManager *manager_singleton = NULL;
  51
  52 static void
  53 contact_manager_members_changed_cb (EmpathyTpContactList  *list,
  54                                     EmpathyContact        *contact,
  55                                     EmpathyContact        *actor,
  56                                     guint                  reason,
  57                                     gchar                 *message,
  58                                     gboolean               is_member,
  59                                     EmpathyContactManager *manager)
  60 {
  61         g_signal_emit_by_name (manager, "members-changed",
  62                                contact, actor, reason, message, is_member);
  63 }
  64
  65 static void
  66 contact_manager_pendings_changed_cb (EmpathyTpContactList  *list,
  67                                      EmpathyContact        *contact,
  68                                      EmpathyContact        *actor,
  69                                      guint                  reason,
  70                                      gchar                 *message,
  71                                      gboolean               is_pending,
  72                                      EmpathyContactManager *manager)
  73 {
  74         g_signal_emit_by_name (manager, "pendings-changed",
  75                                contact, actor, reason, message, is_pending);
  76 }
  77
  78 static void
  79 contact_manager_groups_changed_cb (EmpathyTpContactList  *list,
  80                                    EmpathyContact        *contact,
  81                                    gchar                 *group,
  82                                    gboolean               is_member,
  83                                    EmpathyContactManager *manager)
  84 {
  85         g_signal_emit_by_name (manager, "groups-changed",
  86                                contact, group, is_member);
  87 }
  88
  89 static void
  90 contact_manager_invalidated_cb (TpProxy *connection,
  91                                 guint    domain,
  92                                 gint     code,
  93                                 gchar   *message,
  94                                 EmpathyContactManager *manager)
  95 {
  96         EmpathyContactManagerPriv *priv = GET_PRIV (manager);
  97         EmpathyTpContactList *list;
  98
  99         DEBUG ("Removing connection: %s (%s)",
 100                 tp_proxy_get_object_path (TP_PROXY (connection)),
 101                 message);
 102
 103         list = g_hash_table_lookup (priv->lists, connection);
 104         if (list) {
 105                 empathy_tp_contact_list_remove_all (list);
 106                 g_hash_table_remove (priv->lists, connection);
 107         }
 108 }
 109
 110 static void
 111 contact_manager_disconnect_foreach (gpointer key,
 112                                     gpointer value,
 113                                     gpointer user_data)
 114 {
 115         TpConnection *connection = key;
 116         EmpathyTpContactList  *list = value;
 117         EmpathyContactManager *manager = user_data;
 118
 119         /* Disconnect signals from the list */
 120         g_signal_handlers_disconnect_by_func (list,
 121                                               contact_manager_members_changed_cb,
 122                                               manager);
 123         g_signal_handlers_disconnect_by_func (list,
 124                                               contact_manager_pendings_changed_cb,
 125                                               manager);
 126         g_signal_handlers_disconnect_by_func (list,
 127                                               contact_manager_groups_changed_cb,
 128                                               manager);
 129         g_signal_handlers_disconnect_by_func (connection,
 130                                               contact_manager_invalidated_cb,
 131                                               manager);
 132 }
 133
 134 static void
 135 contact_manager_status_changed_cb (TpAccount *account,
 136                                    guint old_status,
 137                                    guint new_status,
 138                                    guint reason,
 139                                    gchar *dbus_error_name,
 140                                    GHashTable *details,
 141                                    EmpathyContactManager *self)
 142 {
 143         EmpathyContactManagerPriv *priv = GET_PRIV (self);
 144         EmpathyTpContactList      *list;
 145         TpConnection              *connection;
 146
 147         if (new_status == TP_CONNECTION_STATUS_DISCONNECTED)
 148                 /* No point to start tracking a connection which is about to die */
 149                 return;
 150
 151         connection = tp_account_get_connection (account);
 152
 153         if (connection == NULL || g_hash_table_lookup (priv->lists, connection)) {
 154                 return;
 155         }
 156
 157         DEBUG ("Adding new connection: %s",
 158                 tp_proxy_get_object_path (TP_PROXY (connection)));
 159
 160         list = empathy_tp_contact_list_new (connection);
 161         g_hash_table_insert (priv->lists, g_object_ref (connection), list);
 162         g_signal_connect (connection, "invalidated",
 163                           G_CALLBACK (contact_manager_invalidated_cb),
 164                           self);
 165
 166         /* Connect signals */
 167         g_signal_connect (list, "members-changed",
 168                           G_CALLBACK (contact_manager_members_changed_cb),
 169                           self);
 170         g_signal_connect (list, "pendings-changed",
 171                           G_CALLBACK (contact_manager_pendings_changed_cb),
 172                           self);
 173         g_signal_connect (list, "groups-changed",
 174                           G_CALLBACK (contact_manager_groups_changed_cb),
 175                           self);
 176 }
 177
 178 static void
 179 contact_manager_validity_changed_cb (TpAccountManager *account_manager,
 180                                      TpAccount *account,
 181                                      gboolean valid,
 182                                      EmpathyContactManager *manager)
 183 {
 184         if (valid) {
 185                 empathy_signal_connect_weak (account, "status-changed",
 186                             G_CALLBACK (contact_manager_status_changed_cb),
 187                             G_OBJECT (manager));
 188         }
 189 }
 190
 191 static void
 192 contact_manager_finalize (GObject *object)
 193 {
 194         EmpathyContactManagerPriv *priv = GET_PRIV (object);
 195
 196         g_hash_table_foreach (priv->lists,
 197                               contact_manager_disconnect_foreach,
 198                               object);
 199         g_hash_table_destroy (priv->lists);
 200
 201         g_object_unref (priv->account_manager);
 202
 203         if (priv->contact_monitor) {
 204                 g_object_unref (priv->contact_monitor);
 205         }
 206 }
 207
 208 static GObject *
 209 contact_manager_constructor (GType type,
 210                              guint n_props,
 211                              GObjectConstructParam *props)
 212 {
 213         GObject *retval;
 214
 215         if (manager_singleton) {
 216                 retval = g_object_ref (manager_singleton);
 217         } else {
 218                 retval = G_OBJECT_CLASS (empathy_contact_manager_parent_class)->constructor
 219                         (type, n_props, props);
 220
 221                 manager_singleton = EMPATHY_CONTACT_MANAGER (retval);
 222                 g_object_add_weak_pointer (retval, (gpointer) &manager_singleton);
 223         }
 224
 225         return retval;
 226 }
 227
 228 /**
 229  * empathy_contact_manager_initialized:
 230  *
 231  * Reports whether or not the singleton has already been created.
 232  *
 233  * There can be instances where you want to access the #EmpathyContactManager
 234  * only if it has been set up for this process.
 235  *
 236  * Returns: %TRUE if the #EmpathyContactManager singleton has previously
 237  * been initialized.
 238  */
 239 gboolean
 240 empathy_contact_manager_initialized (void)
 241 {
 242         return (manager_singleton != NULL);
 243 }
 244
 245 static void
 246 empathy_contact_manager_class_init (EmpathyContactManagerClass *klass)
 247 {
 248         GObjectClass *object_class = G_OBJECT_CLASS (klass);
 249
 250         object_class->finalize = contact_manager_finalize;
 251         object_class->constructor = contact_manager_constructor;
 252
 253         g_type_class_add_private (object_class, sizeof (EmpathyContactManagerPriv));
 254 }
 255
 256 static void
 257 account_manager_prepared_cb (GObject *source_object,
 258                              GAsyncResult *result,
 259                              gpointer user_data)
 260 {
 261         GList *accounts, *l;
 262         EmpathyContactManager *manager = user_data;
 263         TpAccountManager *account_manager = TP_ACCOUNT_MANAGER (source_object);
 264         GError *error = NULL;
 265
 266         if (!tp_account_manager_prepare_finish (account_manager, result, &error)) {
 267                 DEBUG ("Failed to prepare account manager: %s", error->message);
 268                 g_error_free (error);
 269                 return;
 270         }
 271
 272         accounts = tp_account_manager_get_valid_accounts (account_manager);
 273
 274         for (l = accounts; l != NULL; l = l->next) {
 275                 TpAccount *account = l->data;
 276                 TpConnection *conn = tp_account_get_connection (account);
 277
 278                 if (conn != NULL) {
 279                         contact_manager_status_changed_cb (account, 0, 0, 0,
 280                                                            NULL, NULL, manager);
 281                 }
 282
 283                 empathy_signal_connect_weak (account, "status-changed",
 284                     G_CALLBACK (contact_manager_status_changed_cb),
 285                     G_OBJECT (manager));
 286         }
 287         g_list_free (accounts);
 288
 289         empathy_signal_connect_weak (account_manager, "account-validity-changed",
 290                              G_CALLBACK (contact_manager_validity_changed_cb),
 291                              G_OBJECT (manager));
 292 }
 293
 294 static void
 295 empathy_contact_manager_init (EmpathyContactManager *manager)
 296 {
 297         EmpathyContactManagerPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (manager,
 298                 EMPATHY_TYPE_CONTACT_MANAGER, EmpathyContactManagerPriv);
 299
 300         manager->priv = priv;
 301         priv->lists = g_hash_table_new_full (empathy_proxy_hash,
 302                                              empathy_proxy_equal,
 303                                              (GDestroyNotify) g_object_unref,
 304                                              (GDestroyNotify) g_object_unref);
 305         priv->account_manager = tp_account_manager_dup ();
 306         priv->contact_monitor = NULL;
 307
 308         tp_account_manager_prepare_async (priv->account_manager, NULL,
 309             account_manager_prepared_cb, manager);
 310 }
 311
 312 EmpathyContactManager *
 313 empathy_contact_manager_dup_singleton (void)
 314 {
 315         return g_object_new (EMPATHY_TYPE_CONTACT_MANAGER, NULL);
 316 }
 317
 318 EmpathyTpContactList *
 319 empathy_contact_manager_get_list (EmpathyContactManager *manager,
 320                                   TpConnection          *connection)
 321 {
 322         EmpathyContactManagerPriv *priv = GET_PRIV (manager);
 323
 324         g_return_val_if_fail (EMPATHY_IS_CONTACT_MANAGER (manager), NULL);
 325         g_return_val_if_fail (TP_IS_CONNECTION (connection), NULL);
 326
 327         return g_hash_table_lookup (priv->lists, connection);
 328 }
 329
 330 static void
 331 contact_manager_add (EmpathyContactList *manager,
 332                      EmpathyContact     *contact,
 333                      const gchar        *message)
 334 {
 335         EmpathyContactManagerPriv *priv = GET_PRIV (manager);
 336         EmpathyContactList        *list;
 337         TpConnection              *connection;
 338
 339         g_return_if_fail (EMPATHY_IS_CONTACT_MANAGER (manager));
 340
 341         connection = empathy_contact_get_connection (contact);
 342         list = g_hash_table_lookup (priv->lists, connection);
 343
 344         if (list) {
 345                 empathy_contact_list_add (list, contact, message);
 346         }
 347 }
 348
 349 static void
 350 contact_manager_remove (EmpathyContactList *manager,
 351                         EmpathyContact     *contact,
 352                         const gchar        *message)
 353 {
 354         EmpathyContactManagerPriv *priv = GET_PRIV (manager);
 355         EmpathyContactList        *list;
 356         TpConnection              *connection;
 357
 358         g_return_if_fail (EMPATHY_IS_CONTACT_MANAGER (manager));
 359
 360         connection = empathy_contact_get_connection (contact);
 361         list = g_hash_table_lookup (priv->lists, connection);
 362
 363         if (list) {
 364                 empathy_contact_list_remove (list, contact, message);
 365         }
 366 }
 367
 368 static void
 369 contact_manager_get_members_foreach (TpConnection          *connection,
 370                                      EmpathyTpContactList  *list,
 371                                      GList                **contacts)
 372 {
 373         GList *l;
 374
 375         l = empathy_contact_list_get_members (EMPATHY_CONTACT_LIST (list));
 376         *contacts = g_list_concat (*contacts, l);
 377 }
 378
 379 static GList *
 380 contact_manager_get_members (EmpathyContactList *manager)
 381 {
 382         EmpathyContactManagerPriv *priv = GET_PRIV (manager);
 383         GList                     *contacts = NULL;
 384
 385         g_return_val_if_fail (EMPATHY_IS_CONTACT_MANAGER (manager), NULL);
 386
 387         g_hash_table_foreach (priv->lists,
 388                               (GHFunc) contact_manager_get_members_foreach,
 389                               &contacts);
 390
 391         return contacts;
 392 }
 393
 394 static EmpathyContactMonitor *
 395 contact_manager_get_monitor (EmpathyContactList *manager)
 396 {
 397         EmpathyContactManagerPriv *priv = GET_PRIV (manager);
 398
 399         if (priv->contact_monitor == NULL) {
 400                 priv->contact_monitor = empathy_contact_monitor_new_for_iface (manager);
 401         }
 402
 403         return priv->contact_monitor;
 404 }
 405
 406 static void
 407 contact_manager_get_pendings_foreach (TpConnection          *connection,
 408                                       EmpathyTpContactList  *list,
 409                                       GList                **contacts)
 410 {
 411         GList *l;
 412
 413         l = empathy_contact_list_get_pendings (EMPATHY_CONTACT_LIST (list));
 414         *contacts = g_list_concat (*contacts, l);
 415 }
 416
 417 static GList *
 418 contact_manager_get_pendings (EmpathyContactList *manager)
 419 {
 420         EmpathyContactManagerPriv *priv = GET_PRIV (manager);
 421         GList                     *contacts = NULL;
 422
 423         g_return_val_if_fail (EMPATHY_IS_CONTACT_MANAGER (manager), NULL);
 424
 425         g_hash_table_foreach (priv->lists,
 426                               (GHFunc) contact_manager_get_pendings_foreach,
 427                               &contacts);
 428
 429         return contacts;
 430 }
 431
 432 static void
 433 contact_manager_get_all_groups_foreach (TpConnection          *connection,
 434                                         EmpathyTpContactList  *list,
 435                                         GList                **all_groups)
 436 {
 437         GList *groups, *l;
 438
 439         groups = empathy_contact_list_get_all_groups (EMPATHY_CONTACT_LIST (list));
 440         for (l = groups; l; l = l->next) {
 441                 if (!g_list_find_custom (*all_groups,
 442                                          l->data,
 443                                          (GCompareFunc) strcmp)) {
 444                         *all_groups = g_list_prepend (*all_groups, l->data);
 445                 } else {
 446                         g_free (l->data);
 447                 }
 448         }
 449
 450         g_list_free (groups);
 451 }
 452
 453 static GList *
 454 contact_manager_get_all_groups (EmpathyContactList *manager)
 455 {
 456         EmpathyContactManagerPriv *priv = GET_PRIV (manager);
 457         GList                     *groups = NULL;
 458
 459         g_return_val_if_fail (EMPATHY_IS_CONTACT_MANAGER (manager), NULL);
 460
 461         g_hash_table_foreach (priv->lists,
 462                               (GHFunc) contact_manager_get_all_groups_foreach,
 463                               &groups);
 464
 465         return groups;
 466 }
 467
 468 static GList *
 469 contact_manager_get_groups (EmpathyContactList *manager,
 470                             EmpathyContact     *contact)
 471 {
 472         EmpathyContactManagerPriv *priv = GET_PRIV (manager);
 473         EmpathyContactList        *list;
 474         TpConnection              *connection;
 475
 476         g_return_val_if_fail (EMPATHY_IS_CONTACT_MANAGER (manager), NULL);
 477
 478         connection = empathy_contact_get_connection (contact);
 479         list = g_hash_table_lookup (priv->lists, connection);
 480
 481         if (list) {
 482                 return empathy_contact_list_get_groups (list, contact);
 483         }
 484
 485         return NULL;
 486 }
 487
 488 static void
 489 contact_manager_add_to_group (EmpathyContactList *manager,
 490                               EmpathyContact     *contact,
 491                               const gchar        *group)
 492 {
 493         EmpathyContactManagerPriv *priv = GET_PRIV (manager);
 494         EmpathyContactList        *list;
 495         TpConnection              *connection;
 496
 497         g_return_if_fail (EMPATHY_IS_CONTACT_MANAGER (manager));
 498
 499         connection = empathy_contact_get_connection (contact);
 500         list = g_hash_table_lookup (priv->lists, connection);
 501
 502         if (list) {
 503                 empathy_contact_list_add_to_group (list, contact, group);
 504         }
 505 }
 506
 507 static void
 508 contact_manager_remove_from_group (EmpathyContactList *manager,
 509                                    EmpathyContact     *contact,
 510                                    const gchar        *group)
 511 {
 512         EmpathyContactManagerPriv *priv = GET_PRIV (manager);
 513         EmpathyContactList        *list;
 514         TpConnection              *connection;
 515
 516         g_return_if_fail (EMPATHY_IS_CONTACT_MANAGER (manager));
 517
 518         connection = empathy_contact_get_connection (contact);
 519         list = g_hash_table_lookup (priv->lists, connection);
 520
 521         if (list) {
 522                 empathy_contact_list_remove_from_group (list, contact, group);
 523         }
 524 }
 525
 526 typedef struct {
 527         const gchar *old_group;
 528         const gchar *new_group;
 529 } RenameGroupData;
 530
 531 static void
 532 contact_manager_rename_group_foreach (TpConnection         *connection,
 533                                       EmpathyTpContactList *list,
 534                                       RenameGroupData      *data)
 535 {
 536         empathy_contact_list_rename_group (EMPATHY_CONTACT_LIST (list),
 537                                            data->old_group,
 538                                            data->new_group);
 539 }
 540
 541 static void
 542 contact_manager_rename_group (EmpathyContactList *manager,
 543                               const gchar        *old_group,
 544                               const gchar        *new_group)
 545 {
 546         EmpathyContactManagerPriv *priv = GET_PRIV (manager);
 547         RenameGroupData            data;
 548
 549         g_return_if_fail (EMPATHY_IS_CONTACT_MANAGER (manager));
 550
 551         data.old_group = old_group;
 552         data.new_group = new_group;
 553         g_hash_table_foreach (priv->lists,
 554                               (GHFunc) contact_manager_rename_group_foreach,
 555                               &data);
 556 }
 557
 558 static void contact_manager_remove_group_foreach (TpConnection         *connection,
 559                                                   EmpathyTpContactList *list,
 560                                                   const gchar *group)
 561 {
 562         empathy_contact_list_remove_group (EMPATHY_CONTACT_LIST (list),
 563                                            group);
 564 }
 565
 566 static void
 567 contact_manager_remove_group (EmpathyContactList *manager,
 568                               const gchar *group)
 569 {
 570         EmpathyContactManagerPriv *priv = GET_PRIV (manager);
 571
 572         g_return_if_fail (EMPATHY_IS_CONTACT_MANAGER (manager));
 573
 574         g_hash_table_foreach (priv->lists,
 575                               (GHFunc) contact_manager_remove_group_foreach,
 576                               (gpointer) group);
 577 }
 578
 579 static void
 580 contact_manager_iface_init (EmpathyContactListIface *iface)
 581 {
 582         iface->add               = contact_manager_add;
 583         iface->remove            = contact_manager_remove;
 584         iface->get_members       = contact_manager_get_members;
 585         iface->get_monitor       = contact_manager_get_monitor;
 586         iface->get_pendings      = contact_manager_get_pendings;
 587         iface->get_all_groups    = contact_manager_get_all_groups;
 588         iface->get_groups        = contact_manager_get_groups;
 589         iface->add_to_group      = contact_manager_add_to_group;
 590         iface->remove_from_group = contact_manager_remove_from_group;
 591         iface->rename_group      = contact_manager_rename_group;
 592         iface->remove_group      = contact_manager_remove_group;
 593 }
 594
 595 EmpathyContactListFlags
 596 empathy_contact_manager_get_flags_for_connection (
 597                                 EmpathyContactManager *manager,
 598                                 TpConnection          *connection)
 599 {
 600         EmpathyContactManagerPriv *priv = GET_PRIV (manager);
 601         EmpathyContactList        *list;
 602         EmpathyContactListFlags    flags;
 603
 604         g_return_val_if_fail (EMPATHY_IS_CONTACT_MANAGER (manager), FALSE);
 605         g_return_val_if_fail (connection != NULL, FALSE);
 606
 607         list = g_hash_table_lookup (priv->lists, connection);
 608         if (list == NULL) {
 609                 return FALSE;
 610         }
 611         flags = empathy_contact_list_get_flags (list);
 612
 613         return flags;
 614 }
 615