libempathy/empathy-dispatcher.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 <glib/gi18n.h>
  27
  28 #include <telepathy-glib/enums.h>
  29 #include <telepathy-glib/connection.h>
  30 #include <telepathy-glib/util.h>
  31 #include <telepathy-glib/dbus.h>
  32 #include <telepathy-glib/proxy-subclass.h>
  33
  34 #include <libmissioncontrol/mission-control.h>
  35 #include <libmissioncontrol/mc-account.h>
  36
  37 #include <extensions/extensions.h>
  38
  39 #include "empathy-dispatcher.h"
  40 #include "empathy-utils.h"
  41 #include "empathy-tube-handler.h"
  42 #include "empathy-contact-factory.h"
  43
  44 #define DEBUG_FLAG EMPATHY_DEBUG_DISPATCHER
  45 #include <libempathy/empathy-debug.h>
  46
  47 #define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyDispatcher)
  48 typedef struct {
  49         GHashTable     *connections;
  50         gpointer        token;
  51         MissionControl *mc;
  52         GHashTable     *tubes;
  53 } EmpathyDispatcherPriv;
  54
  55 G_DEFINE_TYPE (EmpathyDispatcher, empathy_dispatcher, G_TYPE_OBJECT);
  56
  57 enum {
  58         DISPATCH_CHANNEL,
  59         FILTER_CHANNEL,
  60         FILTER_TUBE,
  61         LAST_SIGNAL
  62 };
  63
  64 static guint signals[LAST_SIGNAL];
  65 static EmpathyDispatcher *dispatcher = NULL;
  66
  67 void
  68 empathy_dispatcher_channel_process (EmpathyDispatcher *dispatcher,
  69                                     TpChannel         *channel)
  70 {
  71         g_signal_emit (dispatcher, signals[DISPATCH_CHANNEL], 0, channel);
  72 }
  73
  74 typedef struct {
  75         EmpathyDispatcherTube  public;
  76         EmpathyContactFactory *factory;
  77         gchar                 *bus_name;
  78         gchar                 *object_path;
  79         guint                  ref_count;
  80         gboolean               handled;
  81 } DispatcherTube;
  82
  83 GType
  84 empathy_dispatcher_tube_get_type (void)
  85 {
  86         static GType type_id = 0;
  87
  88         if (!type_id) {
  89                 type_id = g_boxed_type_register_static ("EmpathyDispatcherTube",
  90                                                         (GBoxedCopyFunc) empathy_dispatcher_tube_ref,
  91                                                         (GBoxedFreeFunc) empathy_dispatcher_tube_unref);
  92         }
  93
  94         return type_id;
  95 }
  96
  97 EmpathyDispatcherTube *
  98 empathy_dispatcher_tube_ref (EmpathyDispatcherTube *data)
  99 {
 100         DispatcherTube *tube = (DispatcherTube*) data;
 101
 102         g_return_val_if_fail (tube != NULL, NULL);
 103
 104         tube->ref_count++;
 105
 106         return data;
 107 }
 108
 109 void
 110 empathy_dispatcher_tube_unref (EmpathyDispatcherTube *data)
 111 {
 112         DispatcherTube *tube = (DispatcherTube*) data;
 113
 114         g_return_if_fail (tube != NULL);
 115
 116         if (--tube->ref_count == 0) {
 117                 if (!tube->handled) {
 118                         DEBUG ("Tube can't be handled, closing");
 119                         tp_cli_channel_type_tubes_call_close_tube (tube->public.channel, -1,
 120                                                                    tube->public.id,
 121                                                                    NULL, NULL, NULL,
 122                                                                    NULL);
 123                 }
 124
 125                 g_free (tube->bus_name);
 126                 g_free (tube->object_path);
 127                 g_object_unref (tube->factory);
 128                 g_object_unref (tube->public.channel);
 129                 g_object_unref (tube->public.initiator);
 130                 g_slice_free (DispatcherTube, tube);
 131         }
 132 }
 133
 134 static void
 135 dispatcher_tubes_handle_tube_cb (TpProxy      *channel,
 136                                  const GError *error,
 137                                  gpointer      user_data,
 138                                  GObject      *dispatcher)
 139 {
 140         DispatcherTube *tube = user_data;
 141
 142         if (error) {
 143                 DEBUG ("Error: %s", error->message);
 144         } else {
 145                 tube->handled = TRUE;
 146         }
 147 }
 148
 149 void
 150 empathy_dispatcher_tube_process (EmpathyDispatcher     *dispatcher,
 151                                  EmpathyDispatcherTube *user_data)
 152 {
 153         DispatcherTube *tube = (DispatcherTube*) user_data;
 154
 155         if (tube->public.activatable) {
 156                 TpProxy *connection;
 157                 TpProxy *thandler;
 158                 gchar   *object_path;
 159                 guint    handle_type;
 160                 guint    handle;
 161
 162                 /* Create the proxy for the tube handler */
 163                 thandler = g_object_new (TP_TYPE_PROXY,
 164                                          "dbus-connection", tp_get_bus (),
 165                                          "bus-name", tube->bus_name,
 166                                          "object-path", tube->object_path,
 167                                          NULL);
 168                 tp_proxy_add_interface_by_id (thandler, EMP_IFACE_QUARK_TUBE_HANDLER);
 169
 170                 /* Give the tube to the handler */
 171                 g_object_get (tube->public.channel,
 172                               "connection", &connection,
 173                               "object-path", &object_path,
 174                               "handle_type", &handle_type,
 175                               "handle", &handle,
 176                               NULL);
 177
 178                 DEBUG ("Dispatching tube");
 179                 emp_cli_tube_handler_call_handle_tube (thandler, -1,
 180                                                        connection->bus_name,
 181                                                        connection->object_path,
 182                                                        object_path, handle_type,
 183                                                        handle, tube->public.id,
 184                                                        dispatcher_tubes_handle_tube_cb,
 185                                                        empathy_dispatcher_tube_ref (user_data),
 186                                                        (GDestroyNotify) empathy_dispatcher_tube_unref,
 187                                                        G_OBJECT (dispatcher));
 188
 189                 g_object_unref (thandler);
 190                 g_object_unref (connection);
 191                 g_free (object_path);
 192         }
 193 }
 194
 195 static void
 196 dispatcher_tubes_new_tube_cb (TpChannel   *channel,
 197                               guint        id,
 198                               guint        initiator,
 199                               guint        type,
 200                               const gchar *service,
 201                               GHashTable  *parameters,
 202                               guint        state,
 203                               gpointer     user_data,
 204                               GObject     *dispatcher)
 205 {
 206         EmpathyDispatcherPriv *priv = GET_PRIV (dispatcher);
 207         static TpDBusDaemon   *daemon = NULL;
 208         DispatcherTube        *tube;
 209         McAccount             *account;
 210         guint                  number;
 211         gchar                **names;
 212         gboolean               running = FALSE;
 213         GError                *error = NULL;
 214
 215         /* Increase tube count */
 216         number = GPOINTER_TO_UINT (g_hash_table_lookup (priv->tubes, channel));
 217         g_hash_table_replace (priv->tubes, g_object_ref (channel),
 218                               GUINT_TO_POINTER (++number));
 219         DEBUG ("Increased tube count for channel %p: %d", channel, number);
 220
 221         /* We dispatch only local pending tubes */
 222         if (state != TP_TUBE_STATE_LOCAL_PENDING) {
 223                 return;
 224         }
 225
 226         if (!daemon) {
 227                 daemon = tp_dbus_daemon_new (tp_get_bus ());
 228         }
 229
 230         account = empathy_channel_get_account (channel);
 231         tube = g_slice_new (DispatcherTube);
 232         tube->ref_count = 1;
 233         tube->handled = FALSE;
 234         tube->factory = empathy_contact_factory_new ();
 235         tube->bus_name = empathy_tube_handler_build_bus_name (type, service);
 236         tube->object_path = empathy_tube_handler_build_object_path (type, service);
 237         tube->public.activatable = FALSE;
 238         tube->public.id = id;
 239         tube->public.channel = g_object_ref (channel);
 240         tube->public.initiator = empathy_contact_factory_get_from_handle (tube->factory,
 241                                                                           account,
 242                                                                           initiator);
 243         g_object_unref (account);
 244
 245         /* Check if that bus-name has an owner, if it has one that means the
 246          * app is already running and we can directly give the channel. */
 247         tp_cli_dbus_daemon_run_name_has_owner (daemon, -1, tube->bus_name,
 248                                                &running, NULL, NULL);
 249         if (running) {
 250                 DEBUG ("Tube handler running");
 251                 tube->public.activatable = TRUE;
 252                 empathy_dispatcher_tube_process (EMPATHY_DISPATCHER (dispatcher),
 253                                                  (EmpathyDispatcherTube*) tube);
 254                 empathy_dispatcher_tube_unref ((EmpathyDispatcherTube*) tube);
 255                 return;
 256         }
 257
 258         /* Check if that bus-name is activatable, if not that means the
 259          * application needed to handle this tube isn't installed. */
 260         if (!tp_cli_dbus_daemon_run_list_activatable_names (daemon, -1,
 261                                                             &names, &error,
 262                                                             NULL)) {
 263                 DEBUG ("Error listing activatable names: %s", error->message);
 264                 g_clear_error (&error);
 265         } else {
 266                 gchar **name;
 267
 268                 for (name = names; *name; name++) {
 269                         if (!tp_strdiff (*name, tube->bus_name)) {
 270                                 tube->public.activatable = TRUE;
 271                                 break;
 272                         }
 273                 }
 274                 g_strfreev (names);
 275         }
 276
 277         g_signal_emit (dispatcher, signals[FILTER_TUBE], 0, tube);
 278         empathy_dispatcher_tube_unref ((EmpathyDispatcherTube*) tube);
 279 }
 280
 281 static void
 282 dispatcher_tubes_list_tubes_cb (TpChannel       *channel,
 283                                 const GPtrArray *tubes,
 284                                 const GError    *error,
 285                                 gpointer         user_data,
 286                                 GObject         *dispatcher)
 287 {
 288         guint i;
 289
 290         if (error) {
 291                 DEBUG ("Error: %s", error->message);
 292                 return;
 293         }
 294
 295         for (i = 0; i < tubes->len; i++) {
 296                 GValueArray *values;
 297
 298                 values = g_ptr_array_index (tubes, i);
 299                 dispatcher_tubes_new_tube_cb (channel,
 300                                               g_value_get_uint (g_value_array_get_nth (values, 0)),
 301                                               g_value_get_uint (g_value_array_get_nth (values, 1)),
 302                                               g_value_get_uint (g_value_array_get_nth (values, 2)),
 303                                               g_value_get_string (g_value_array_get_nth (values, 3)),
 304                                               g_value_get_boxed (g_value_array_get_nth (values, 4)),
 305                                               g_value_get_uint (g_value_array_get_nth (values, 5)),
 306                                               user_data, dispatcher);
 307         }
 308 }
 309
 310 static void
 311 dispatcher_tubes_channel_invalidated_cb (TpProxy       *proxy,
 312                                          guint          domain,
 313                                          gint           code,
 314                                          gchar         *message,
 315                                          EmpathyDispatcher *dispatcher)
 316 {
 317         EmpathyDispatcherPriv *priv = GET_PRIV (dispatcher);
 318
 319         DEBUG ("Error: %s", message);
 320
 321         g_hash_table_remove (priv->tubes, proxy);
 322 }
 323
 324 static void
 325 dispatcher_tubes_tube_closed_cb (TpChannel *channel,
 326                                  guint      id,
 327                                  gpointer   user_data,
 328                                  GObject   *dispatcher)
 329 {
 330         EmpathyDispatcherPriv *priv = GET_PRIV (dispatcher);
 331         guint                  number;
 332
 333         number = GPOINTER_TO_UINT (g_hash_table_lookup (priv->tubes, channel));
 334         if (number == 1) {
 335                 DEBUG ("No more tube, closing channel");
 336                 tp_cli_channel_call_close (channel, -1, NULL, NULL, NULL, NULL);
 337         }
 338         else if (number > 1) {
 339                 DEBUG ("Decrease tube count: %d", number);
 340                 g_hash_table_replace (priv->tubes, g_object_ref (channel),
 341                                       GUINT_TO_POINTER (--number));
 342         }
 343 }
 344
 345 static void
 346 dispatcher_tubes_handle_channel (EmpathyDispatcher *dispatcher,
 347                                  TpChannel         *channel)
 348 {
 349         EmpathyDispatcherPriv *priv = GET_PRIV (dispatcher);
 350
 351         if (g_hash_table_lookup (priv->tubes, channel)) {
 352                 return;
 353         }
 354
 355         DEBUG ("Handling new channel");
 356
 357         g_hash_table_insert (priv->tubes, g_object_ref (channel),
 358                              GUINT_TO_POINTER (0));
 359
 360         g_signal_connect (channel, "invalidated",
 361                           G_CALLBACK (dispatcher_tubes_channel_invalidated_cb),
 362                           dispatcher);
 363
 364         tp_cli_channel_type_tubes_connect_to_tube_closed (channel,
 365                                                           dispatcher_tubes_tube_closed_cb,
 366                                                           NULL, NULL,
 367                                                           G_OBJECT (dispatcher), NULL);
 368         tp_cli_channel_type_tubes_connect_to_new_tube (channel,
 369                                                        dispatcher_tubes_new_tube_cb,
 370                                                        NULL, NULL,
 371                                                        G_OBJECT (dispatcher), NULL);
 372         tp_cli_channel_type_tubes_call_list_tubes (channel, -1,
 373                                                    dispatcher_tubes_list_tubes_cb,
 374                                                    NULL, NULL,
 375                                                    G_OBJECT (dispatcher));
 376 }
 377
 378 static void
 379 dispatcher_connection_invalidated_cb (TpConnection  *connection,
 380                                       guint          domain,
 381                                       gint           code,
 382                                       gchar         *message,
 383                                       EmpathyDispatcher *dispatcher)
 384 {
 385         EmpathyDispatcherPriv *priv = GET_PRIV (dispatcher);
 386         GHashTableIter         iter;
 387         gpointer               key, value;
 388
 389         DEBUG ("Error: %s", message);
 390
 391         g_hash_table_iter_init (&iter, priv->connections);
 392         while (g_hash_table_iter_next (&iter, &key, &value)) {
 393                 if (value == connection) {
 394                         g_hash_table_remove (priv->connections, key);
 395                         break;
 396                 }
 397         }
 398 }
 399
 400 static void
 401 dispatcher_connection_new_channel_cb (TpConnection *connection,
 402                                       const gchar  *object_path,
 403                                       const gchar  *channel_type,
 404                                       guint         handle_type,
 405                                       guint         handle,
 406                                       gboolean      suppress_handler,
 407                                       gpointer      user_data,
 408                                       GObject      *object)
 409 {
 410         EmpathyDispatcher *dispatcher = EMPATHY_DISPATCHER (object);
 411         TpChannel         *channel;
 412         gpointer           had_channels;
 413
 414         had_channels = g_object_get_data (G_OBJECT (connection), "had-channels");
 415         if (had_channels == NULL) {
 416                 /* ListChannels didn't return yet, return to avoid duplicate
 417                  * dispatching */
 418                 return;
 419         }
 420
 421         channel = tp_channel_new (connection, object_path, channel_type,
 422                                   handle_type, handle, NULL);
 423         tp_channel_run_until_ready (channel, NULL, NULL);
 424
 425         if (!tp_strdiff (channel_type, TP_IFACE_CHANNEL_TYPE_TUBES)) {
 426                 dispatcher_tubes_handle_channel (dispatcher, channel);
 427         }
 428
 429         if (suppress_handler) {
 430                 g_signal_emit (dispatcher, signals[DISPATCH_CHANNEL], 0, channel);
 431         } else {
 432                 g_signal_emit (dispatcher, signals[FILTER_CHANNEL], 0, channel);
 433         }
 434
 435         g_object_unref (channel);
 436 }
 437
 438 static void
 439 dispatcher_connection_list_channels_cb (TpConnection    *connection,
 440                                         const GPtrArray *channels,
 441                                         const GError    *error,
 442                                         gpointer         user_data,
 443                                         GObject         *dispatcher)
 444 {
 445         guint i;
 446
 447         if (error) {
 448                 DEBUG ("Error: %s", error->message);
 449                 return;
 450         }
 451
 452         g_object_set_data (G_OBJECT (connection), "had-channels",
 453                            GUINT_TO_POINTER (1));
 454
 455         for (i = 0; i < channels->len; i++) {
 456                 GValueArray *values;
 457
 458                 values = g_ptr_array_index (channels, i);
 459                 dispatcher_connection_new_channel_cb (connection,
 460                         g_value_get_boxed (g_value_array_get_nth (values, 0)),
 461                         g_value_get_string (g_value_array_get_nth (values, 1)),
 462                         g_value_get_uint (g_value_array_get_nth (values, 2)),
 463                         g_value_get_uint (g_value_array_get_nth (values, 3)),
 464                         FALSE, user_data, dispatcher);
 465         }
 466 }
 467
 468 static void
 469 dispatcher_connection_advertise_capabilities_cb (TpConnection    *connection,
 470                                                  const GPtrArray *capabilities,
 471                                                  const GError    *error,
 472                                                  gpointer         user_data,
 473                                                  GObject         *dispatcher)
 474 {
 475         if (error) {
 476                 DEBUG ("Error: %s", error->message);
 477         }
 478 }
 479
 480 static void
 481 dispatcher_connection_ready_cb (TpConnection  *connection,
 482                                 const GError  *error,
 483                                 gpointer       dispatcher)
 484 {
 485         GPtrArray   *capabilities;
 486         GType        cap_type;
 487         GValue       cap = {0, };
 488         const gchar *remove = NULL;
 489
 490         if (error) {
 491                 dispatcher_connection_invalidated_cb (connection,
 492                                                       error->domain,
 493                                                       error->code,
 494                                                       error->message,
 495                                                       dispatcher);
 496                 return;
 497         }
 498
 499         g_signal_connect (connection, "invalidated",
 500                           G_CALLBACK (dispatcher_connection_invalidated_cb),
 501                           dispatcher);
 502         tp_cli_connection_connect_to_new_channel (connection,
 503                                                   dispatcher_connection_new_channel_cb,
 504                                                   NULL, NULL,
 505                                                   G_OBJECT (dispatcher), NULL);
 506         tp_cli_connection_call_list_channels (connection, -1,
 507                                               dispatcher_connection_list_channels_cb,
 508                                               NULL, NULL,
 509                                               G_OBJECT (dispatcher));
 510
 511         /* Advertise VoIP capabilities */
 512         capabilities = g_ptr_array_sized_new (1);
 513         cap_type = dbus_g_type_get_struct ("GValueArray", G_TYPE_STRING,
 514                                            G_TYPE_UINT, G_TYPE_INVALID);
 515         g_value_init (&cap, cap_type);
 516         g_value_take_boxed (&cap, dbus_g_type_specialized_construct (cap_type));
 517         dbus_g_type_struct_set (&cap,
 518                                 0, TP_IFACE_CHANNEL_TYPE_STREAMED_MEDIA,
 519                                 1, TP_CHANNEL_MEDIA_CAPABILITY_AUDIO |
 520                                    TP_CHANNEL_MEDIA_CAPABILITY_VIDEO |
 521                                    TP_CHANNEL_MEDIA_CAPABILITY_NAT_TRAVERSAL_STUN  |
 522                                    TP_CHANNEL_MEDIA_CAPABILITY_NAT_TRAVERSAL_GTALK_P2P,
 523                                 G_MAXUINT);
 524         g_ptr_array_add (capabilities, g_value_get_boxed (&cap));
 525
 526         tp_cli_connection_interface_capabilities_call_advertise_capabilities (
 527                 connection, -1,
 528                 capabilities, &remove,
 529                 dispatcher_connection_advertise_capabilities_cb,
 530                 NULL, NULL, G_OBJECT (dispatcher));
 531         /* FIXME: Is that leaked? */
 532 }
 533
 534 static void
 535 dispatcher_update_account (EmpathyDispatcher *dispatcher,
 536                            McAccount         *account)
 537 {
 538         EmpathyDispatcherPriv *priv = GET_PRIV (dispatcher);
 539         TpConnection          *connection;
 540
 541         connection = g_hash_table_lookup (priv->connections, account);
 542         if (connection) {
 543                 return;
 544         }
 545
 546         connection = mission_control_get_tpconnection (priv->mc, account, NULL);
 547         if (!connection) {
 548                 return;
 549         }
 550
 551         g_hash_table_insert (priv->connections, g_object_ref (account), connection);
 552         tp_connection_call_when_ready (connection,
 553                                        dispatcher_connection_ready_cb,
 554                                        dispatcher);
 555 }
 556
 557 static void
 558 dispatcher_status_changed_cb (MissionControl           *mc,
 559                               TpConnectionStatus        status,
 560                               McPresence                presence,
 561                               TpConnectionStatusReason  reason,
 562                               const gchar              *unique_name,
 563                               EmpathyDispatcher            *dispatcher)
 564 {
 565         McAccount *account;
 566
 567         account = mc_account_lookup (unique_name);
 568         dispatcher_update_account (dispatcher, account);
 569         g_object_unref (account);
 570 }
 571
 572 static guint
 573 dispatcher_channel_hash (gconstpointer key)
 574 {
 575         TpProxy *channel = TP_PROXY (key);
 576
 577         return g_str_hash (channel->object_path);
 578 }
 579
 580 static gboolean
 581 dispatcher_channel_equal (gconstpointer a,
 582                       gconstpointer b)
 583 {
 584         TpProxy *channel_a = TP_PROXY (a);
 585         TpProxy *channel_b = TP_PROXY (b);
 586
 587         return g_str_equal (channel_a->object_path, channel_b->object_path);
 588 }
 589
 590 static void
 591 dispatcher_finalize (GObject *object)
 592 {
 593         EmpathyDispatcherPriv *priv = GET_PRIV (object);
 594
 595         empathy_disconnect_account_status_changed (priv->token);
 596         g_object_unref (priv->mc);
 597
 598         g_hash_table_destroy (priv->connections);
 599         g_hash_table_destroy (priv->tubes);
 600 }
 601
 602 static void
 603 empathy_dispatcher_class_init (EmpathyDispatcherClass *klass)
 604 {
 605         GObjectClass *object_class = G_OBJECT_CLASS (klass);
 606
 607         object_class->finalize = dispatcher_finalize;
 608
 609         signals[DISPATCH_CHANNEL] =
 610                 g_signal_new ("dispatch-channel",
 611                               G_TYPE_FROM_CLASS (klass),
 612                               G_SIGNAL_RUN_LAST,
 613                               0,
 614                               NULL, NULL,
 615                               g_cclosure_marshal_VOID__OBJECT,
 616                               G_TYPE_NONE,
 617                               1, TP_TYPE_CHANNEL);
 618         signals[FILTER_CHANNEL] =
 619                 g_signal_new ("filter-channel",
 620                               G_TYPE_FROM_CLASS (klass),
 621                               G_SIGNAL_RUN_LAST,
 622                               0,
 623                               NULL, NULL,
 624                               g_cclosure_marshal_VOID__OBJECT,
 625                               G_TYPE_NONE,
 626                               1, TP_TYPE_CHANNEL);
 627         signals[FILTER_TUBE] =
 628                 g_signal_new ("filter-tube",
 629                               G_TYPE_FROM_CLASS (klass),
 630                               G_SIGNAL_RUN_LAST,
 631                               0,
 632                               NULL, NULL,
 633                               g_cclosure_marshal_VOID__BOXED,
 634                               G_TYPE_NONE,
 635                               1, EMPATHY_TYPE_DISPATCHER_TUBE);
 636
 637         g_type_class_add_private (object_class, sizeof (EmpathyDispatcherPriv));
 638 }
 639
 640 static void
 641 empathy_dispatcher_init (EmpathyDispatcher *dispatcher)
 642 {
 643         GList                 *accounts, *l;
 644         EmpathyDispatcherPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (dispatcher,
 645                 EMPATHY_TYPE_DISPATCHER, EmpathyDispatcherPriv);
 646
 647         dispatcher->priv = priv;
 648         priv->tubes = g_hash_table_new_full (dispatcher_channel_hash,
 649                                              dispatcher_channel_equal,
 650                                              g_object_unref, NULL);
 651
 652         priv->mc = empathy_mission_control_new ();
 653         priv->token = empathy_connect_to_account_status_changed (priv->mc,
 654                 G_CALLBACK (dispatcher_status_changed_cb),
 655                 dispatcher, NULL);
 656
 657         priv->connections = g_hash_table_new_full (empathy_account_hash,
 658                                                    empathy_account_equal,
 659                                                    g_object_unref,
 660                                                    g_object_unref);
 661         accounts = mc_accounts_list_by_enabled (TRUE);
 662         for (l = accounts; l; l = l->next) {
 663                 dispatcher_update_account (dispatcher, l->data);
 664                 g_object_unref (l->data);
 665         }
 666         g_list_free (accounts);
 667 }
 668
 669 EmpathyDispatcher *
 670 empathy_dispatcher_new (void)
 671 {
 672         if (!dispatcher) {
 673                 dispatcher = g_object_new (EMPATHY_TYPE_DISPATCHER, NULL);
 674                 g_object_add_weak_pointer (G_OBJECT (dispatcher), (gpointer) &dispatcher);
 675         } else {
 676                 g_object_ref (dispatcher);
 677         }
 678
 679         return dispatcher;
 680 }
 681