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 #include "empathy-tp-group.h"
  44 #include "empathy-chatroom-manager.h"
  45 #include "empathy-utils.h"
  46
  47 #define DEBUG_FLAG EMPATHY_DEBUG_DISPATCHER
  48 #include <libempathy/empathy-debug.h>
  49
  50 #define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyDispatcher)
  51 typedef struct {
  52         GHashTable     *connections;
  53         gpointer        token;
  54         MissionControl *mc;
  55         GSList         *tubes;
  56   EmpathyChatroomManager *chatroom_mgr;
  57 } EmpathyDispatcherPriv;
  58
  59 G_DEFINE_TYPE (EmpathyDispatcher, empathy_dispatcher, G_TYPE_OBJECT);
  60
  61 enum {
  62         DISPATCH_CHANNEL,
  63         FILTER_CHANNEL,
  64         FILTER_TUBE,
  65         LAST_SIGNAL
  66 };
  67
  68 static guint signals[LAST_SIGNAL];
  69 static EmpathyDispatcher *dispatcher = NULL;
  70
  71 void
  72 empathy_dispatcher_channel_process (EmpathyDispatcher *dispatcher,
  73                                     TpChannel         *channel)
  74 {
  75         g_signal_emit (dispatcher, signals[DISPATCH_CHANNEL], 0, channel);
  76 }
  77
  78 typedef struct {
  79         EmpathyDispatcherTube  public;
  80         EmpathyContactFactory *factory;
  81         gchar                 *bus_name;
  82         gchar                 *object_path;
  83         guint                  ref_count;
  84         gboolean               handled;
  85 } DispatcherTube;
  86
  87 GType
  88 empathy_dispatcher_tube_get_type (void)
  89 {
  90         static GType type_id = 0;
  91
  92         if (!type_id) {
  93                 type_id = g_boxed_type_register_static ("EmpathyDispatcherTube",
  94                                                         (GBoxedCopyFunc) empathy_dispatcher_tube_ref,
  95                                                         (GBoxedFreeFunc) empathy_dispatcher_tube_unref);
  96         }
  97
  98         return type_id;
  99 }
 100
 101 EmpathyDispatcherTube *
 102 empathy_dispatcher_tube_ref (EmpathyDispatcherTube *data)
 103 {
 104         DispatcherTube *tube = (DispatcherTube*) data;
 105
 106         g_return_val_if_fail (tube != NULL, NULL);
 107
 108         tube->ref_count++;
 109
 110         return data;
 111 }
 112
 113 void
 114 empathy_dispatcher_tube_unref (EmpathyDispatcherTube *data)
 115 {
 116         DispatcherTube *tube = (DispatcherTube*) data;
 117
 118         g_return_if_fail (tube != NULL);
 119
 120         if (--tube->ref_count == 0) {
 121                 if (!tube->handled) {
 122                         DEBUG ("Tube can't be handled, closing");
 123                         tp_cli_channel_type_tubes_call_close_tube (tube->public.channel, -1,
 124                                                                    tube->public.id,
 125                                                                    NULL, NULL, NULL,
 126                                                                    NULL);
 127                 }
 128
 129                 g_free (tube->bus_name);
 130                 g_free (tube->object_path);
 131                 g_object_unref (tube->factory);
 132                 g_object_unref (tube->public.channel);
 133                 g_object_unref (tube->public.initiator);
 134                 g_slice_free (DispatcherTube, tube);
 135         }
 136 }
 137
 138 static void
 139 dispatcher_tubes_handle_tube_cb (TpProxy      *channel,
 140                                  const GError *error,
 141                                  gpointer      user_data,
 142                                  GObject      *dispatcher)
 143 {
 144         DispatcherTube *tube = user_data;
 145
 146         if (error) {
 147                 DEBUG ("Error: %s", error->message);
 148         } else {
 149                 tube->handled = TRUE;
 150         }
 151 }
 152
 153 void
 154 empathy_dispatcher_tube_process (EmpathyDispatcher     *dispatcher,
 155                                  EmpathyDispatcherTube *user_data)
 156 {
 157         DispatcherTube *tube = (DispatcherTube*) user_data;
 158
 159         if (tube->public.activatable) {
 160                 TpProxy *connection;
 161                 TpProxy *thandler;
 162                 gchar   *object_path;
 163                 guint    handle_type;
 164                 guint    handle;
 165
 166                 /* Create the proxy for the tube handler */
 167                 thandler = g_object_new (TP_TYPE_PROXY,
 168                                          "dbus-connection", tp_get_bus (),
 169                                          "bus-name", tube->bus_name,
 170                                          "object-path", tube->object_path,
 171                                          NULL);
 172                 tp_proxy_add_interface_by_id (thandler, EMP_IFACE_QUARK_TUBE_HANDLER);
 173
 174                 /* Give the tube to the handler */
 175                 g_object_get (tube->public.channel,
 176                               "connection", &connection,
 177                               "object-path", &object_path,
 178                               "handle_type", &handle_type,
 179                               "handle", &handle,
 180                               NULL);
 181
 182                 DEBUG ("Dispatching tube");
 183                 emp_cli_tube_handler_call_handle_tube (thandler, -1,
 184                                                        connection->bus_name,
 185                                                        connection->object_path,
 186                                                        object_path, handle_type,
 187                                                        handle, tube->public.id,
 188                                                        dispatcher_tubes_handle_tube_cb,
 189                                                        empathy_dispatcher_tube_ref (user_data),
 190                                                        (GDestroyNotify) empathy_dispatcher_tube_unref,
 191                                                        G_OBJECT (dispatcher));
 192
 193                 g_object_unref (thandler);
 194                 g_object_unref (connection);
 195                 g_free (object_path);
 196         }
 197 }
 198
 199 static void
 200 dispatcher_tubes_new_tube_cb (TpChannel   *channel,
 201                               guint        id,
 202                               guint        initiator,
 203                               guint        type,
 204                               const gchar *service,
 205                               GHashTable  *parameters,
 206                               guint        state,
 207                               gpointer     user_data,
 208                               GObject     *dispatcher)
 209 {
 210         static TpDBusDaemon   *daemon = NULL;
 211         DispatcherTube        *tube;
 212         McAccount             *account;
 213         guint                  number;
 214         gchar                **names;
 215         gboolean               running = FALSE;
 216         GError                *error = NULL;
 217
 218         /* Increase tube count */
 219         number = GPOINTER_TO_UINT (g_object_get_data (G_OBJECT (channel), "tube-count"));
 220         g_object_set_data (G_OBJECT (channel), "tube-count", GUINT_TO_POINTER (++number));
 221         DEBUG ("Increased tube count for channel %p: %d", channel, number);
 222
 223         /* We dispatch only local pending tubes */
 224         if (state != TP_TUBE_STATE_LOCAL_PENDING) {
 225                 return;
 226         }
 227
 228         if (!daemon) {
 229                 daemon = tp_dbus_daemon_new (tp_get_bus ());
 230         }
 231
 232         account = empathy_channel_get_account (channel);
 233         tube = g_slice_new (DispatcherTube);
 234         tube->ref_count = 1;
 235         tube->handled = FALSE;
 236         tube->factory = empathy_contact_factory_new ();
 237         tube->bus_name = empathy_tube_handler_build_bus_name (type, service);
 238         tube->object_path = empathy_tube_handler_build_object_path (type, service);
 239         tube->public.activatable = FALSE;
 240         tube->public.id = id;
 241         tube->public.channel = g_object_ref (channel);
 242         tube->public.initiator = empathy_contact_factory_get_from_handle (tube->factory,
 243                                                                           account,
 244                                                                           initiator);
 245         g_object_unref (account);
 246
 247         /* Check if that bus-name has an owner, if it has one that means the
 248          * app is already running and we can directly give the channel. */
 249         tp_cli_dbus_daemon_run_name_has_owner (daemon, -1, tube->bus_name,
 250                                                &running, NULL, NULL);
 251         if (running) {
 252                 DEBUG ("Tube handler running");
 253                 tube->public.activatable = TRUE;
 254                 empathy_dispatcher_tube_process (EMPATHY_DISPATCHER (dispatcher),
 255                                                  (EmpathyDispatcherTube*) tube);
 256                 empathy_dispatcher_tube_unref ((EmpathyDispatcherTube*) tube);
 257                 return;
 258         }
 259
 260         /* Check if that bus-name is activatable, if not that means the
 261          * application needed to handle this tube isn't installed. */
 262         if (!tp_cli_dbus_daemon_run_list_activatable_names (daemon, -1,
 263                                                             &names, &error,
 264                                                             NULL)) {
 265                 DEBUG ("Error listing activatable names: %s", error->message);
 266                 g_clear_error (&error);
 267         } else {
 268                 gchar **name;
 269
 270                 for (name = names; *name; name++) {
 271                         if (!tp_strdiff (*name, tube->bus_name)) {
 272                                 tube->public.activatable = TRUE;
 273                                 break;
 274                         }
 275                 }
 276                 g_strfreev (names);
 277         }
 278
 279         g_signal_emit (dispatcher, signals[FILTER_TUBE], 0, tube);
 280         empathy_dispatcher_tube_unref ((EmpathyDispatcherTube*) tube);
 281 }
 282
 283 static void
 284 dispatcher_tubes_list_tubes_cb (TpChannel       *channel,
 285                                 const GPtrArray *tubes,
 286                                 const GError    *error,
 287                                 gpointer         user_data,
 288                                 GObject         *dispatcher)
 289 {
 290         guint i;
 291
 292         if (error) {
 293                 DEBUG ("Error: %s", error->message);
 294                 return;
 295         }
 296
 297         for (i = 0; i < tubes->len; i++) {
 298                 GValueArray *values;
 299
 300                 values = g_ptr_array_index (tubes, i);
 301                 dispatcher_tubes_new_tube_cb (channel,
 302                                               g_value_get_uint (g_value_array_get_nth (values, 0)),
 303                                               g_value_get_uint (g_value_array_get_nth (values, 1)),
 304                                               g_value_get_uint (g_value_array_get_nth (values, 2)),
 305                                               g_value_get_string (g_value_array_get_nth (values, 3)),
 306                                               g_value_get_boxed (g_value_array_get_nth (values, 4)),
 307                                               g_value_get_uint (g_value_array_get_nth (values, 5)),
 308                                               user_data, dispatcher);
 309         }
 310 }
 311
 312 static void
 313 dispatcher_tubes_channel_invalidated_cb (TpProxy           *proxy,
 314                                          guint              domain,
 315                                          gint               code,
 316                                          gchar             *message,
 317                                          EmpathyDispatcher *dispatcher)
 318 {
 319         EmpathyDispatcherPriv *priv = GET_PRIV (dispatcher);
 320
 321         DEBUG ("%s", message);
 322
 323         priv->tubes = g_slist_remove (priv->tubes, proxy);
 324         g_object_unref (proxy);
 325 }
 326
 327 static void
 328 dispatcher_tubes_tube_closed_cb (TpChannel *channel,
 329                                  guint      id,
 330                                  gpointer   user_data,
 331                                  GObject   *dispatcher)
 332 {
 333         guint number;
 334
 335         number = GPOINTER_TO_UINT (g_object_get_data (G_OBJECT (channel), "tube-count"));
 336         if (number == 1) {
 337                 DEBUG ("No more tube, closing channel");
 338                 tp_cli_channel_call_close (channel, -1, NULL, NULL, NULL, NULL);
 339         }
 340         else if (number > 1) {
 341                 DEBUG ("Decrease tube count: %d", number);
 342                 g_object_set_data (G_OBJECT (channel), "tube-count", GUINT_TO_POINTER (--number));
 343         }
 344 }
 345
 346 static void
 347 dispatcher_tubes_handle_channel (EmpathyDispatcher *dispatcher,
 348                                  TpChannel         *channel)
 349 {
 350         EmpathyDispatcherPriv *priv = GET_PRIV (dispatcher);
 351
 352         DEBUG ("Called");
 353
 354         priv->tubes = g_slist_prepend (priv->tubes, g_object_ref (channel));
 355         g_signal_connect (channel, "invalidated",
 356                           G_CALLBACK (dispatcher_tubes_channel_invalidated_cb),
 357                           dispatcher);
 358
 359         tp_cli_channel_type_tubes_connect_to_tube_closed (channel,
 360                                                           dispatcher_tubes_tube_closed_cb,
 361                                                           NULL, NULL,
 362                                                           G_OBJECT (dispatcher), NULL);
 363         tp_cli_channel_type_tubes_connect_to_new_tube (channel,
 364                                                        dispatcher_tubes_new_tube_cb,
 365                                                        NULL, NULL,
 366                                                        G_OBJECT (dispatcher), NULL);
 367         tp_cli_channel_type_tubes_call_list_tubes (channel, -1,
 368                                                    dispatcher_tubes_list_tubes_cb,
 369                                                    NULL, NULL,
 370                                                    G_OBJECT (dispatcher));
 371 }
 372
 373 static void
 374 dispatcher_file_handle_channel (EmpathyDispatcher *dispatcher,
 375                                 TpChannel         *channel)
 376 {
 377         DEBUG ("New file channel");
 378
 379         /* handle new file channel here */
 380 }
 381
 382 static void
 383 dispatcher_connection_invalidated_cb (TpConnection  *connection,
 384                                       guint          domain,
 385                                       gint           code,
 386                                       gchar         *message,
 387                                       EmpathyDispatcher *dispatcher)
 388 {
 389         EmpathyDispatcherPriv *priv = GET_PRIV (dispatcher);
 390         GHashTableIter         iter;
 391         gpointer               key, value;
 392
 393         DEBUG ("Error: %s", message);
 394
 395         g_hash_table_iter_init (&iter, priv->connections);
 396         while (g_hash_table_iter_next (&iter, &key, &value)) {
 397                 if (value == connection) {
 398                         g_hash_table_remove (priv->connections, key);
 399                         break;
 400                 }
 401         }
 402 }
 403
 404 typedef struct
 405 {
 406   EmpathyDispatcher *self;
 407   EmpathyChatroom *chatroom;
 408 } dispatcher_connection_invalidated_cb_ctx;
 409
 410 static dispatcher_connection_invalidated_cb_ctx *
 411 dispatcher_connection_invalidated_cb_ctx_new (EmpathyDispatcher *dispatcher,
 412                                               EmpathyChatroom *chatroom)
 413 {
 414   dispatcher_connection_invalidated_cb_ctx *ctx;
 415
 416   ctx = g_slice_new (dispatcher_connection_invalidated_cb_ctx);
 417
 418   ctx->self = g_object_ref (dispatcher);
 419   ctx->chatroom = g_object_ref (chatroom);
 420
 421   return ctx;
 422 }
 423
 424 static void
 425 dispatcher_connection_invalidated_cb_ctx_free (
 426     dispatcher_connection_invalidated_cb_ctx *ctx)
 427 {
 428   g_object_unref (ctx->self);
 429   g_object_unref (ctx->chatroom);
 430
 431   g_slice_free (dispatcher_connection_invalidated_cb_ctx, ctx);
 432 }
 433
 434 static void dispatcher_chatroom_invalidated_cb (
 435     TpProxy *channel,
 436     guint domain,
 437     gint code,
 438     gchar *message,
 439     dispatcher_connection_invalidated_cb_ctx *ctx)
 440 {
 441   EmpathyDispatcherPriv *priv = GET_PRIV (ctx->self);
 442   gboolean favorite;
 443
 444   g_object_get (ctx->chatroom, "favorite", &favorite, NULL);
 445
 446   if (favorite)
 447     {
 448       /* Chatroom is in favorites so don't remove it from the manager */
 449       g_object_set (ctx->chatroom, "tp-channel", NULL, NULL);
 450     }
 451   else
 452     {
 453       empathy_chatroom_manager_remove (priv->chatroom_mgr, ctx->chatroom);
 454     }
 455 }
 456
 457 static void
 458 dispatcher_connection_new_channel_cb (TpConnection *connection,
 459                                       const gchar  *object_path,
 460                                       const gchar  *channel_type,
 461                                       guint         handle_type,
 462                                       guint         handle,
 463                                       gboolean      suppress_handler,
 464                                       gpointer      user_data,
 465                                       GObject      *object)
 466 {
 467         EmpathyDispatcher *dispatcher = EMPATHY_DISPATCHER (object);
 468   EmpathyDispatcherPriv *priv = GET_PRIV (dispatcher);
 469         TpChannel         *channel;
 470         gpointer           had_channels;
 471
 472         had_channels = g_object_get_data (G_OBJECT (connection), "had-channels");
 473         if (had_channels == NULL) {
 474                 /* ListChannels didn't return yet, return to avoid duplicate
 475                  * dispatching */
 476                 return;
 477         }
 478
 479         channel = tp_channel_new (connection, object_path, channel_type,
 480                                   handle_type, handle, NULL);
 481         tp_channel_run_until_ready (channel, NULL, NULL);
 482
 483         if (!tp_strdiff (channel_type, TP_IFACE_CHANNEL_TYPE_TUBES)) {
 484                 dispatcher_tubes_handle_channel (dispatcher, channel);
 485         } else if (!tp_strdiff (channel_type, EMP_IFACE_CHANNEL_TYPE_FILE)) {
 486                 dispatcher_file_handle_channel (dispatcher, channel);
 487         }
 488
 489   if (!tp_strdiff (channel_type, TP_IFACE_CHANNEL_TYPE_TEXT) &&
 490       handle_type == TP_HANDLE_TYPE_ROOM)
 491     {
 492       /* Add the chatroom to the chatroom manager */
 493       EmpathyChatroom *chatroom;
 494       GArray *handles;
 495       gchar **room_ids;
 496       MissionControl *mc;
 497       McAccount *account;
 498       dispatcher_connection_invalidated_cb_ctx *ctx;
 499
 500       handles = g_array_sized_new (FALSE, FALSE, sizeof (TpHandle), 1);
 501       g_array_append_val (handles, handle);
 502
 503       tp_cli_connection_run_inspect_handles (connection, -1,
 504           TP_HANDLE_TYPE_ROOM, handles, &room_ids, NULL, NULL);
 505
 506       mc = empathy_mission_control_new ();
 507       account = mission_control_get_account_for_tpconnection (mc, connection,
 508           NULL);
 509
 510       chatroom = empathy_chatroom_manager_find (priv->chatroom_mgr, account,
 511           room_ids[0]);
 512       if (chatroom == NULL)
 513         {
 514           chatroom = empathy_chatroom_new (account);
 515           empathy_chatroom_set_name (chatroom, room_ids[0]);
 516           empathy_chatroom_manager_add (priv->chatroom_mgr, chatroom);
 517         }
 518       else
 519         {
 520           g_object_ref (chatroom);
 521         }
 522
 523       g_object_set (chatroom, "tp-channel", channel, NULL);
 524
 525       ctx = dispatcher_connection_invalidated_cb_ctx_new (dispatcher, chatroom);
 526
 527       g_signal_connect_data (channel, "invalidated",
 528           G_CALLBACK (dispatcher_chatroom_invalidated_cb), ctx,
 529           (GClosureNotify) dispatcher_connection_invalidated_cb_ctx_free, 0);
 530
 531       g_free (room_ids[0]);
 532       g_free (room_ids);
 533       g_array_free (handles, TRUE);
 534       g_object_unref (mc);
 535       g_object_unref (account);
 536       g_object_unref (chatroom);
 537     }
 538
 539         if (suppress_handler) {
 540                 g_signal_emit (dispatcher, signals[DISPATCH_CHANNEL], 0, channel);
 541         } else {
 542                 g_signal_emit (dispatcher, signals[FILTER_CHANNEL], 0, channel);
 543         }
 544
 545         g_object_unref (channel);
 546 }
 547
 548 static void
 549 dispatcher_connection_list_channels_cb (TpConnection    *connection,
 550                                         const GPtrArray *channels,
 551                                         const GError    *error,
 552                                         gpointer         user_data,
 553                                         GObject         *dispatcher)
 554 {
 555         guint i;
 556
 557         if (error) {
 558                 DEBUG ("Error: %s", error->message);
 559                 return;
 560         }
 561
 562         g_object_set_data (G_OBJECT (connection), "had-channels",
 563                            GUINT_TO_POINTER (1));
 564
 565         for (i = 0; i < channels->len; i++) {
 566                 GValueArray *values;
 567
 568                 values = g_ptr_array_index (channels, i);
 569                 dispatcher_connection_new_channel_cb (connection,
 570                         g_value_get_boxed (g_value_array_get_nth (values, 0)),
 571                         g_value_get_string (g_value_array_get_nth (values, 1)),
 572                         g_value_get_uint (g_value_array_get_nth (values, 2)),
 573                         g_value_get_uint (g_value_array_get_nth (values, 3)),
 574                         FALSE, user_data, dispatcher);
 575         }
 576 }
 577
 578 static void
 579 dispatcher_connection_advertise_capabilities_cb (TpConnection    *connection,
 580                                                  const GPtrArray *capabilities,
 581                                                  const GError    *error,
 582                                                  gpointer         user_data,
 583                                                  GObject         *dispatcher)
 584 {
 585         if (error) {
 586                 DEBUG ("Error: %s", error->message);
 587         }
 588 }
 589
 590 static void
 591 dispatcher_connection_ready_cb (TpConnection  *connection,
 592                                 const GError  *error,
 593                                 gpointer       dispatcher)
 594 {
 595         GPtrArray   *capabilities;
 596         GType        cap_type;
 597         GValue       cap = {0, };
 598         const gchar *remove = NULL;
 599
 600         if (error) {
 601                 dispatcher_connection_invalidated_cb (connection,
 602                                                       error->domain,
 603                                                       error->code,
 604                                                       error->message,
 605                                                       dispatcher);
 606                 return;
 607         }
 608
 609         g_signal_connect (connection, "invalidated",
 610                           G_CALLBACK (dispatcher_connection_invalidated_cb),
 611                           dispatcher);
 612         tp_cli_connection_connect_to_new_channel (connection,
 613                                                   dispatcher_connection_new_channel_cb,
 614                                                   NULL, NULL,
 615                                                   G_OBJECT (dispatcher), NULL);
 616         tp_cli_connection_call_list_channels (connection, -1,
 617                                               dispatcher_connection_list_channels_cb,
 618                                               NULL, NULL,
 619                                               G_OBJECT (dispatcher));
 620
 621         /* Advertise VoIP capabilities */
 622         capabilities = g_ptr_array_sized_new (1);
 623         cap_type = dbus_g_type_get_struct ("GValueArray", G_TYPE_STRING,
 624                                            G_TYPE_UINT, G_TYPE_INVALID);
 625         g_value_init (&cap, cap_type);
 626         g_value_take_boxed (&cap, dbus_g_type_specialized_construct (cap_type));
 627         dbus_g_type_struct_set (&cap,
 628                                 0, TP_IFACE_CHANNEL_TYPE_STREAMED_MEDIA,
 629                                 1, TP_CHANNEL_MEDIA_CAPABILITY_AUDIO |
 630                                    TP_CHANNEL_MEDIA_CAPABILITY_VIDEO |
 631                                    TP_CHANNEL_MEDIA_CAPABILITY_NAT_TRAVERSAL_STUN  |
 632                                    TP_CHANNEL_MEDIA_CAPABILITY_NAT_TRAVERSAL_GTALK_P2P,
 633                                 G_MAXUINT);
 634         g_ptr_array_add (capabilities, g_value_get_boxed (&cap));
 635
 636         tp_cli_connection_interface_capabilities_call_advertise_capabilities (
 637                 connection, -1,
 638                 capabilities, &remove,
 639                 dispatcher_connection_advertise_capabilities_cb,
 640                 NULL, NULL, G_OBJECT (dispatcher));
 641         /* FIXME: Is that leaked? */
 642 }
 643
 644 static void
 645 dispatcher_update_account (EmpathyDispatcher *dispatcher,
 646                            McAccount         *account)
 647 {
 648         EmpathyDispatcherPriv *priv = GET_PRIV (dispatcher);
 649         TpConnection          *connection;
 650
 651         connection = g_hash_table_lookup (priv->connections, account);
 652         if (connection) {
 653                 return;
 654         }
 655
 656         connection = mission_control_get_tpconnection (priv->mc, account, NULL);
 657         if (!connection) {
 658                 return;
 659         }
 660
 661         g_hash_table_insert (priv->connections, g_object_ref (account), connection);
 662         tp_connection_call_when_ready (connection,
 663                                        dispatcher_connection_ready_cb,
 664                                        dispatcher);
 665 }
 666
 667 static void
 668 dispatcher_status_changed_cb (MissionControl           *mc,
 669                               TpConnectionStatus        status,
 670                               McPresence                presence,
 671                               TpConnectionStatusReason  reason,
 672                               const gchar              *unique_name,
 673                               EmpathyDispatcher            *dispatcher)
 674 {
 675         McAccount *account;
 676
 677         account = mc_account_lookup (unique_name);
 678         dispatcher_update_account (dispatcher, account);
 679         g_object_unref (account);
 680 }
 681
 682 static void
 683 dispatcher_finalize (GObject *object)
 684 {
 685         EmpathyDispatcherPriv *priv = GET_PRIV (object);
 686         GSList                *l;
 687
 688         empathy_disconnect_account_status_changed (priv->token);
 689         g_object_unref (priv->mc);
 690
 691         for (l = priv->tubes; l; l = l->next) {
 692                 g_signal_handlers_disconnect_by_func (l->data,
 693                                                       dispatcher_tubes_channel_invalidated_cb,
 694                                                       object);
 695                 g_object_unref (l->data);
 696         }
 697         g_slist_free (priv->tubes);
 698
 699         g_hash_table_destroy (priv->connections);
 700
 701   g_object_unref (priv->chatroom_mgr);
 702 }
 703
 704 static void
 705 empathy_dispatcher_class_init (EmpathyDispatcherClass *klass)
 706 {
 707         GObjectClass *object_class = G_OBJECT_CLASS (klass);
 708
 709         object_class->finalize = dispatcher_finalize;
 710
 711         signals[DISPATCH_CHANNEL] =
 712                 g_signal_new ("dispatch-channel",
 713                               G_TYPE_FROM_CLASS (klass),
 714                               G_SIGNAL_RUN_LAST,
 715                               0,
 716                               NULL, NULL,
 717                               g_cclosure_marshal_VOID__OBJECT,
 718                               G_TYPE_NONE,
 719                               1, TP_TYPE_CHANNEL);
 720         signals[FILTER_CHANNEL] =
 721                 g_signal_new ("filter-channel",
 722                               G_TYPE_FROM_CLASS (klass),
 723                               G_SIGNAL_RUN_LAST,
 724                               0,
 725                               NULL, NULL,
 726                               g_cclosure_marshal_VOID__OBJECT,
 727                               G_TYPE_NONE,
 728                               1, TP_TYPE_CHANNEL);
 729         signals[FILTER_TUBE] =
 730                 g_signal_new ("filter-tube",
 731                               G_TYPE_FROM_CLASS (klass),
 732                               G_SIGNAL_RUN_LAST,
 733                               0,
 734                               NULL, NULL,
 735                               g_cclosure_marshal_VOID__BOXED,
 736                               G_TYPE_NONE,
 737                               1, EMPATHY_TYPE_DISPATCHER_TUBE);
 738
 739         g_type_class_add_private (object_class, sizeof (EmpathyDispatcherPriv));
 740 }
 741
 742 static void
 743 empathy_dispatcher_init (EmpathyDispatcher *dispatcher)
 744 {
 745         GList                 *accounts, *l;
 746         EmpathyDispatcherPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (dispatcher,
 747                 EMPATHY_TYPE_DISPATCHER, EmpathyDispatcherPriv);
 748
 749         dispatcher->priv = priv;
 750         priv->mc = empathy_mission_control_new ();
 751         priv->token = empathy_connect_to_account_status_changed (priv->mc,
 752                 G_CALLBACK (dispatcher_status_changed_cb),
 753                 dispatcher, NULL);
 754
 755         priv->connections = g_hash_table_new_full (empathy_account_hash,
 756                                                    empathy_account_equal,
 757                                                    g_object_unref,
 758                                                    g_object_unref);
 759         accounts = mc_accounts_list_by_enabled (TRUE);
 760         for (l = accounts; l; l = l->next) {
 761                 dispatcher_update_account (dispatcher, l->data);
 762                 g_object_unref (l->data);
 763         }
 764         g_list_free (accounts);
 765
 766   priv->chatroom_mgr = empathy_chatroom_manager_new (NULL);
 767 }
 768
 769 EmpathyDispatcher *
 770 empathy_dispatcher_new (void)
 771 {
 772         if (!dispatcher) {
 773                 dispatcher = g_object_new (EMPATHY_TYPE_DISPATCHER, NULL);
 774                 g_object_add_weak_pointer (G_OBJECT (dispatcher), (gpointer) &dispatcher);
 775         } else {
 776                 g_object_ref (dispatcher);
 777         }
 778
 779         return dispatcher;
 780 }
 781
 782 typedef struct {
 783         const gchar *channel_type;
 784         guint        handle_type;
 785         guint        handle;
 786 } DispatcherRequestData;
 787
 788 static void
 789 dispatcher_request_channel_cb (TpConnection *connection,
 790                                const gchar  *object_path,
 791                                const GError *error,
 792                                gpointer      user_data,
 793                                GObject      *weak_object)
 794 {
 795         DispatcherRequestData *data = (DispatcherRequestData*) user_data;
 796
 797         if (error) {
 798                 DEBUG ("Error: %s", error->message);
 799                 return;
 800         }
 801
 802         if (dispatcher) {
 803                 TpChannel *channel;
 804
 805                 channel = tp_channel_new (connection, object_path,
 806                                           data->channel_type,
 807                                           data->handle_type,
 808                                           data->handle, NULL);
 809
 810                 g_signal_emit (dispatcher, signals[DISPATCH_CHANNEL], 0, channel);
 811         }
 812 }
 813
 814 void
 815 empathy_dispatcher_call_with_contact (EmpathyContact *contact)
 816 {
 817         MissionControl        *mc;
 818         McAccount             *account;
 819         TpConnection          *connection;
 820         gchar                 *object_path;
 821         TpChannel             *channel;
 822         EmpathyContactFactory *factory;
 823         EmpathyTpGroup        *group;
 824         EmpathyContact        *self_contact;
 825         GError                *error = NULL;
 826
 827         g_return_if_fail (EMPATHY_IS_CONTACT (contact));
 828
 829         mc = empathy_mission_control_new ();
 830         account = empathy_contact_get_account (contact);
 831         connection = mission_control_get_tpconnection (mc, account, NULL);
 832         tp_connection_run_until_ready (connection, FALSE, NULL, NULL);
 833         g_object_unref (mc);
 834
 835         /* We abuse of suppress_handler, TRUE means OUTGOING. The channel
 836          * will be catched in EmpathyFilter */
 837         if (!tp_cli_connection_run_request_channel (connection, -1,
 838                                                     TP_IFACE_CHANNEL_TYPE_STREAMED_MEDIA,
 839                                                     TP_HANDLE_TYPE_NONE,
 840                                                     0,
 841                                                     TRUE,
 842                                                     &object_path,
 843                                                     &error,
 844                                                     NULL)) {
 845                 DEBUG ("Couldn't request channel: %s",
 846                         error ? error->message : "No error given");
 847                 g_clear_error (&error);
 848                 g_object_unref (connection);
 849                 return;
 850         }
 851
 852         channel = tp_channel_new (connection,
 853                                   object_path, TP_IFACE_CHANNEL_TYPE_STREAMED_MEDIA,
 854                                   TP_HANDLE_TYPE_NONE, 0, NULL);
 855
 856         group = empathy_tp_group_new (channel);
 857         empathy_run_until_ready (group);
 858
 859         factory = empathy_contact_factory_new ();
 860         self_contact = empathy_contact_factory_get_user (factory, account);
 861         empathy_contact_run_until_ready (self_contact,
 862                                          EMPATHY_CONTACT_READY_HANDLE,
 863                                          NULL);
 864
 865         empathy_tp_group_add_member (group, contact, "");
 866         empathy_tp_group_add_member (group, self_contact, "");
 867
 868         g_object_unref (factory);
 869         g_object_unref (self_contact);
 870         g_object_unref (group);
 871         g_object_unref (connection);
 872         g_object_unref (channel);
 873         g_free (object_path);
 874 }
 875
 876 void
 877 empathy_dispatcher_call_with_contact_id (McAccount *account, const gchar *contact_id)
 878 {
 879         EmpathyContactFactory *factory;
 880         EmpathyContact        *contact;
 881
 882         factory = empathy_contact_factory_new ();
 883         contact = empathy_contact_factory_get_from_id (factory, account, contact_id);
 884         empathy_contact_run_until_ready (contact, EMPATHY_CONTACT_READY_HANDLE, NULL);
 885
 886         empathy_dispatcher_call_with_contact (contact);
 887
 888         g_object_unref (contact);
 889         g_object_unref (factory);
 890 }
 891
 892 void
 893 empathy_dispatcher_chat_with_contact (EmpathyContact  *contact)
 894 {
 895         MissionControl        *mc;
 896         McAccount             *account;
 897         TpConnection          *connection;
 898         DispatcherRequestData *data;
 899
 900         g_return_if_fail (EMPATHY_IS_CONTACT (contact));
 901
 902         mc = empathy_mission_control_new ();
 903         account = empathy_contact_get_account (contact);
 904         connection = mission_control_get_tpconnection (mc, account, NULL);
 905         tp_connection_run_until_ready (connection, FALSE, NULL, NULL);
 906         g_object_unref (mc);
 907
 908         /* We abuse of suppress_handler, TRUE means OUTGOING. */
 909         data = g_new (DispatcherRequestData, 1);
 910         data->channel_type = TP_IFACE_CHANNEL_TYPE_TEXT;
 911         data->handle_type = TP_HANDLE_TYPE_CONTACT;
 912         data->handle = empathy_contact_get_handle (contact);
 913         tp_cli_connection_call_request_channel (connection, -1,
 914                                                 data->channel_type,
 915                                                 data->handle_type,
 916                                                 data->handle,
 917                                                 TRUE,
 918                                                 dispatcher_request_channel_cb,
 919                                                 data, g_free,
 920                                                 NULL);
 921         g_object_unref (connection);
 922 }
 923
 924 void
 925 empathy_dispatcher_chat_with_contact_id (McAccount   *account,
 926                                          const gchar *contact_id)
 927 {
 928         EmpathyContactFactory *factory;
 929         EmpathyContact        *contact;
 930
 931         factory = empathy_contact_factory_new ();
 932         contact = empathy_contact_factory_get_from_id (factory, account, contact_id);
 933         empathy_contact_run_until_ready (contact, EMPATHY_CONTACT_READY_HANDLE, NULL);
 934
 935         empathy_dispatcher_chat_with_contact (contact);
 936
 937         g_object_unref (contact);
 938         g_object_unref (factory);
 939 }
 940