libempathy/empathy-tp-call.c

   1 /*
   2  *  Copyright (C) 2007 Elliot Fairweather
   3  *
   4  *  This library is free software; you can redistribute it and/or
   5  *  modify it under the terms of the GNU Lesser General Public
   6  *  License as published by the Free Software Foundation; either
   7  *  version 2.1 of the License, or (at your option) any later version.
   8  *
   9  *  This library is distributed in the hope that it will be useful,
  10  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  *  Lesser General Public License for more details.
  13  *
  14  *  You should have received a copy of the GNU Lesser General Public
  15  *  License along with this library; if not, write to the Free Software
  16  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  17  *
  18  *  Authors: Elliot Fairweather <elliot.fairweather@collabora.co.uk>
  19  */
  20
  21 #include <string.h>
  22 #include <dbus/dbus-glib.h>
  23
  24 #include <libtelepathy/tp-chan-type-streamed-media-gen.h>
  25 #include <libtelepathy/tp-connmgr.h>
  26 #include <libtelepathy/tp-helpers.h>
  27 #include <telepathy-glib/proxy-subclass.h>
  28 #include <telepathy-glib/dbus.h>
  29
  30 #include <libmissioncontrol/mc-account.h>
  31
  32 #include <extensions/extensions.h>
  33 #include <libempathy/empathy-contact-factory.h>
  34 #include <libempathy/empathy-debug.h>
  35 #include <libempathy/empathy-tp-group.h>
  36 #include <libempathy/empathy-utils.h>
  37
  38 #include "empathy-tp-call.h"
  39
  40 #define DEBUG_DOMAIN "TpCall"
  41
  42 #define GET_PRIV(object) (G_TYPE_INSTANCE_GET_PRIVATE \
  43     ((object), EMPATHY_TYPE_TP_CALL, EmpathyTpCallPriv))
  44
  45 #define STREAM_ENGINE_BUS_NAME "org.freedesktop.Telepathy.StreamEngine"
  46 #define STREAM_ENGINE_OBJECT_PATH "/org/freedesktop/Telepathy/StreamEngine"
  47
  48 typedef struct _EmpathyTpCallPriv EmpathyTpCallPriv;
  49
  50 struct _EmpathyTpCallPriv
  51 {
  52   TpConn *connection;
  53   TpChan *channel;
  54   TpProxy *stream_engine;
  55   TpDBusDaemon *dbus_daemon;
  56   EmpathyTpGroup *group;
  57   EmpathyContact *contact;
  58   gboolean is_incoming;
  59   guint status;
  60
  61   EmpathyTpCallStream *audio;
  62   EmpathyTpCallStream *video;
  63 };
  64
  65 enum
  66 {
  67   STATUS_CHANGED_SIGNAL,
  68   RECEIVING_VIDEO_SIGNAL,
  69   SENDING_VIDEO_SIGNAL,
  70   LAST_SIGNAL
  71 };
  72
  73 enum
  74 {
  75   PROP_0,
  76   PROP_CONNECTION,
  77   PROP_CHANNEL,
  78   PROP_CONTACT,
  79   PROP_IS_INCOMING,
  80   PROP_STATUS,
  81   PROP_AUDIO_STREAM,
  82   PROP_VIDEO_STREAM
  83 };
  84
  85 static guint signals[LAST_SIGNAL];
  86 static gchar *stream_engine_owner = NULL;
  87
  88 G_DEFINE_TYPE (EmpathyTpCall, empathy_tp_call, G_TYPE_OBJECT)
  89
  90 static void
  91 tp_call_stream_state_changed_cb (DBusGProxy *channel,
  92                                  guint stream_id,
  93                                  guint stream_state,
  94                                  EmpathyTpCall *call)
  95 {
  96   EmpathyTpCallPriv *priv = GET_PRIV (call);
  97
  98   empathy_debug (DEBUG_DOMAIN,
  99       "Stream state changed - stream id: %d, state state: %d",
 100       stream_id, stream_state);
 101
 102   if (stream_id == priv->audio->id)
 103     {
 104       priv->audio->state = stream_state;
 105     }
 106   else if (stream_id == priv->video->id)
 107     {
 108       priv->video->state = stream_state;
 109       if (stream_state == TP_MEDIA_STREAM_STATE_CONNECTED)
 110       {
 111         if (priv->video->direction & TP_MEDIA_STREAM_DIRECTION_RECEIVE)
 112           {
 113             empathy_debug (DEBUG_DOMAIN, "RECEIVING");
 114             g_signal_emit (call, signals[RECEIVING_VIDEO_SIGNAL], 0, TRUE);
 115           }
 116         if (priv->video->direction & TP_MEDIA_STREAM_DIRECTION_SEND)
 117           {
 118             empathy_debug (DEBUG_DOMAIN, "SENDING");
 119             g_signal_emit (call, signals[SENDING_VIDEO_SIGNAL], 0, TRUE);
 120           }
 121       }
 122     }
 123
 124   g_signal_emit (call, signals[STATUS_CHANGED_SIGNAL], 0);
 125 }
 126
 127 static void
 128 tp_call_identify_streams (EmpathyTpCall *call)
 129 {
 130   EmpathyTpCallPriv *priv = GET_PRIV (call);
 131   GPtrArray *stream_infos;
 132   DBusGProxy *streamed_iface;
 133   GError *error = NULL;
 134   guint i;
 135
 136   empathy_debug (DEBUG_DOMAIN, "Identifying audio/video streams");
 137
 138   streamed_iface = tp_chan_get_interface (priv->channel,
 139       TELEPATHY_CHAN_IFACE_STREAMED_QUARK);
 140
 141   if (!tp_chan_type_streamed_media_list_streams (streamed_iface, &stream_infos,
 142         &error))
 143     {
 144       empathy_debug (DEBUG_DOMAIN, "Couldn't list audio/video streams: %s",
 145           error->message);
 146       g_clear_error (&error);
 147       return;
 148     }
 149
 150   for (i = 0; i < stream_infos->len; i++)
 151     {
 152       GValueArray *values;
 153       guint stream_id;
 154       guint stream_handle;
 155       guint stream_type;
 156       guint stream_state;
 157       guint stream_direction;
 158
 159       values = g_ptr_array_index (stream_infos, i);
 160       stream_id = g_value_get_uint (g_value_array_get_nth (values, 0));
 161       stream_handle = g_value_get_uint (g_value_array_get_nth (values, 1));
 162       stream_type = g_value_get_uint (g_value_array_get_nth (values, 2));
 163       stream_state = g_value_get_uint (g_value_array_get_nth (values, 3));
 164       stream_direction = g_value_get_uint (g_value_array_get_nth (values, 4));
 165
 166       switch (stream_type)
 167         {
 168         case TP_MEDIA_STREAM_TYPE_AUDIO:
 169           empathy_debug (DEBUG_DOMAIN,
 170               "Audio stream - id: %d, state: %d, direction: %d",
 171               stream_id, stream_state, stream_direction);
 172           priv->audio->exists = TRUE;
 173           priv->audio->id = stream_id;
 174           priv->audio->state = stream_state;
 175           priv->audio->direction = stream_direction;
 176           break;
 177         case TP_MEDIA_STREAM_TYPE_VIDEO:
 178           empathy_debug (DEBUG_DOMAIN,
 179               "Video stream - id: %d, state: %d, direction: %d",
 180               stream_id, stream_state, stream_direction);
 181           priv->video->exists = TRUE;
 182           priv->video->id = stream_id;
 183           priv->video->state = stream_state;
 184           priv->video->direction = stream_direction;
 185           break;
 186         default:
 187           empathy_debug (DEBUG_DOMAIN, "Unknown stream type: %d",
 188               stream_type);
 189         }
 190
 191       g_value_array_free (values);
 192     }
 193 }
 194
 195 static void
 196 tp_call_stream_added_cb (DBusGProxy *channel,
 197                          guint stream_id,
 198                          guint contact_handle,
 199                          guint stream_type,
 200                          EmpathyTpCall *call)
 201 {
 202   empathy_debug (DEBUG_DOMAIN,
 203       "Stream added - stream id: %d, contact handle: %d, stream type: %d",
 204       stream_id, contact_handle, stream_type);
 205
 206   tp_call_identify_streams (call);
 207 }
 208
 209
 210 static void
 211 tp_call_stream_removed_cb (DBusGProxy *channel,
 212                            guint stream_id,
 213                            EmpathyTpCall *call)
 214 {
 215   EmpathyTpCallPriv *priv = GET_PRIV (call);
 216
 217   empathy_debug (DEBUG_DOMAIN, "Stream removed - stream id: %d", stream_id);
 218
 219   if (stream_id == priv->audio->id)
 220     {
 221       priv->audio->exists = FALSE;
 222     }
 223   else if (stream_id == priv->video->id)
 224     {
 225       priv->video->exists = FALSE;
 226     }
 227 }
 228
 229 static void
 230 tp_call_channel_closed_cb (TpChan *channel,
 231                            EmpathyTpCall *call)
 232 {
 233   EmpathyTpCallPriv *priv = GET_PRIV (call);
 234   DBusGProxy *streamed_iface;
 235   DBusGProxy *group_iface;
 236
 237   empathy_debug (DEBUG_DOMAIN, "Channel closed");
 238
 239   priv->status = EMPATHY_TP_CALL_STATUS_CLOSED;
 240   g_signal_emit (call, signals[STATUS_CHANGED_SIGNAL], 0);
 241
 242   streamed_iface = tp_chan_get_interface (priv->channel,
 243       TELEPATHY_CHAN_IFACE_STREAMED_QUARK);
 244   group_iface = tp_chan_get_interface (priv->channel,
 245       TELEPATHY_CHAN_IFACE_GROUP_QUARK);
 246
 247   dbus_g_proxy_disconnect_signal (DBUS_G_PROXY (priv->channel), "Closed",
 248       G_CALLBACK (tp_call_channel_closed_cb), (gpointer) call);
 249   dbus_g_proxy_disconnect_signal (streamed_iface, "StreamStateChanged",
 250       G_CALLBACK (tp_call_stream_state_changed_cb), (gpointer) call);
 251   dbus_g_proxy_disconnect_signal (streamed_iface, "StreamAdded",
 252       G_CALLBACK (tp_call_stream_added_cb), (gpointer) call);
 253   dbus_g_proxy_disconnect_signal (streamed_iface, "StreamRemoved",
 254       G_CALLBACK (tp_call_stream_removed_cb), (gpointer) call);
 255 }
 256
 257 static void
 258 tp_call_stream_direction_changed_cb (DBusGProxy *channel,
 259                                      guint stream_id,
 260                                      guint stream_direction,
 261                                      guint flags,
 262                                      EmpathyTpCall *call)
 263 {
 264   EmpathyTpCallPriv *priv = GET_PRIV (call);
 265
 266   empathy_debug (DEBUG_DOMAIN,
 267       "Stream direction changed - stream: %d, direction: %d",
 268       stream_id, stream_direction);
 269
 270   if (stream_id == priv->audio->id)
 271     {
 272       priv->audio->direction = stream_direction;
 273     }
 274   else if (stream_id == priv->video->id)
 275     {
 276       priv->video->direction = stream_direction;
 277
 278       if (stream_direction & TP_MEDIA_STREAM_DIRECTION_RECEIVE)
 279         {
 280           empathy_debug (DEBUG_DOMAIN, "RECEIVING");
 281           g_signal_emit (call, signals[RECEIVING_VIDEO_SIGNAL], 0, TRUE);
 282         }
 283       else
 284         {
 285           empathy_debug (DEBUG_DOMAIN, "NOT RECEIVING");
 286           g_signal_emit (call, signals[RECEIVING_VIDEO_SIGNAL], 0, FALSE);
 287         }
 288
 289       if (stream_direction & TP_MEDIA_STREAM_DIRECTION_SEND)
 290         {
 291           empathy_debug (DEBUG_DOMAIN, "SENDING");
 292           g_signal_emit (call, signals[SENDING_VIDEO_SIGNAL], 0, TRUE);
 293         }
 294       else
 295         {
 296           empathy_debug (DEBUG_DOMAIN, "NOT SENDING");
 297           g_signal_emit (call, signals[SENDING_VIDEO_SIGNAL], 0, FALSE);
 298         }
 299     }
 300 }
 301
 302 static void
 303 tp_call_request_streams_for_capabilities (EmpathyTpCall *call,
 304                                           EmpathyCapabilities capabilities)
 305 {
 306   EmpathyTpCallPriv *priv = GET_PRIV (call);
 307   DBusGProxy *streamed_iface;
 308   GArray *stream_types;
 309   guint handle;
 310   guint stream_type;
 311   GError *error = NULL;
 312
 313   empathy_debug (DEBUG_DOMAIN, "Requesting new stream for capabilities %d",
 314       capabilities);
 315
 316   streamed_iface = tp_chan_get_interface (priv->channel,
 317       TELEPATHY_CHAN_IFACE_STREAMED_QUARK);
 318   stream_types = g_array_new (FALSE, FALSE, sizeof (guint));
 319   handle = empathy_contact_get_handle (priv->contact);
 320
 321   if (capabilities & EMPATHY_CAPABILITIES_AUDIO)
 322     {
 323       stream_type = TP_MEDIA_STREAM_TYPE_AUDIO;
 324       g_array_append_val (stream_types, stream_type);
 325     }
 326   if (capabilities & EMPATHY_CAPABILITIES_VIDEO)
 327     {
 328       stream_type = TP_MEDIA_STREAM_TYPE_VIDEO;
 329       g_array_append_val (stream_types, stream_type);
 330     }
 331
 332   if (!tp_chan_type_streamed_media_request_streams (streamed_iface, handle,
 333         stream_types, NULL, &error))
 334     {
 335       empathy_debug (DEBUG_DOMAIN, "Couldn't request new stream: %s",
 336           error->message);
 337       g_clear_error (&error);
 338     }
 339
 340   g_array_free (stream_types, TRUE);
 341 }
 342
 343 static void
 344 tp_call_request_streams_capabilities_cb (EmpathyContact *contact,
 345                                          GParamSpec *property,
 346                                          gpointer user_data)
 347 {
 348   EmpathyTpCall *call = EMPATHY_TP_CALL (user_data);
 349
 350   g_signal_handlers_disconnect_by_func (contact,
 351       tp_call_request_streams_capabilities_cb,
 352       user_data);
 353
 354   tp_call_request_streams_for_capabilities (call,
 355      empathy_contact_get_capabilities (contact));
 356 }
 357
 358 static void
 359 tp_call_request_streams (EmpathyTpCall *call)
 360 {
 361   EmpathyTpCallPriv *priv = GET_PRIV (call);
 362   EmpathyCapabilities capabilities;
 363   DBusGProxy *capabilities_iface;
 364
 365   empathy_debug (DEBUG_DOMAIN,
 366       "Requesting appropriate audio/video streams from contact");
 367
 368
 369   /* FIXME: SIP don't have capabilities interface but we know it supports
 370    *        only audio and not video. */
 371   capabilities_iface = tp_conn_get_interface (priv->connection,
 372       TP_IFACE_QUARK_CONNECTION_INTERFACE_CAPABILITIES);
 373   if (!capabilities_iface)
 374     {
 375       capabilities = EMPATHY_CAPABILITIES_AUDIO;
 376     }
 377   else
 378     {
 379       capabilities = empathy_contact_get_capabilities (priv->contact);
 380       if (capabilities == EMPATHY_CAPABILITIES_UNKNOWN)
 381         {
 382           g_signal_connect (priv->contact, "notify::capabilities",
 383               G_CALLBACK (tp_call_request_streams_capabilities_cb), call);
 384           return;
 385         }
 386     }
 387
 388   tp_call_request_streams_for_capabilities (call, capabilities);
 389 }
 390
 391 static void
 392 tp_call_is_ready (EmpathyTpCall *call)
 393 {
 394   EmpathyTpCallPriv *priv = GET_PRIV (call);
 395   EmpathyContact *self_contact;
 396   GList *members;
 397   GList *local_pendings;
 398   GList *remote_pendings;
 399
 400   if (priv->status > EMPATHY_TP_CALL_STATUS_READYING)
 401     return;
 402
 403   members = empathy_tp_group_get_members (priv->group);
 404   if (!members)
 405     return;
 406
 407   self_contact = empathy_tp_group_get_self_contact (priv->group);
 408   local_pendings = empathy_tp_group_get_local_pendings (priv->group);
 409   remote_pendings = empathy_tp_group_get_remote_pendings (priv->group);
 410
 411   if (local_pendings &&
 412       empathy_contact_equal (EMPATHY_CONTACT (((EmpathyPendingInfo *)
 413             local_pendings->data)->member), self_contact))
 414     {
 415       empathy_debug (DEBUG_DOMAIN,
 416           "Incoming call is ready - %p",
 417           ((EmpathyPendingInfo *) local_pendings->data)->member);
 418       priv->is_incoming = TRUE;
 419       priv->contact = g_object_ref (members->data);
 420     }
 421   else if (remote_pendings &&
 422       empathy_contact_equal (EMPATHY_CONTACT (members->data), self_contact))
 423     {
 424       empathy_debug (DEBUG_DOMAIN,
 425           "Outgoing call is ready - %p", remote_pendings->data);
 426       priv->is_incoming = FALSE;
 427       priv->contact = g_object_ref (remote_pendings->data);
 428       tp_call_request_streams (call);
 429     }
 430
 431   g_object_unref (self_contact);
 432   g_list_foreach (members, (GFunc) g_object_unref, NULL);
 433   g_list_free (members);
 434   g_list_foreach (local_pendings, (GFunc) empathy_pending_info_free, NULL);
 435   g_list_free (local_pendings);
 436   g_list_foreach (remote_pendings, (GFunc) g_object_unref, NULL);
 437   g_list_free (remote_pendings);
 438
 439   if (priv->contact)
 440     {
 441       priv->status = EMPATHY_TP_CALL_STATUS_PENDING;
 442       g_signal_emit (call, signals[STATUS_CHANGED_SIGNAL], 0);
 443     }
 444 }
 445
 446 static void
 447 tp_call_member_added_cb (EmpathyTpGroup *group,
 448                          EmpathyContact *contact,
 449                          EmpathyContact *actor,
 450                          guint reason,
 451                          const gchar *message,
 452                          EmpathyTpCall *call)
 453 {
 454   EmpathyTpCallPriv *priv = GET_PRIV (call);
 455
 456   empathy_debug (DEBUG_DOMAIN, "New member added callback %p", contact);
 457   tp_call_is_ready (call);
 458
 459   if (priv->status == EMPATHY_TP_CALL_STATUS_PENDING)
 460     {
 461       if ((priv->is_incoming &&
 462             !empathy_contact_equal (contact, priv->contact))
 463           || (!priv->is_incoming &&
 464             empathy_contact_equal (contact, priv->contact)))
 465         {
 466           priv->status = EMPATHY_TP_CALL_STATUS_ACCEPTED;
 467           g_signal_emit (call, signals[STATUS_CHANGED_SIGNAL], 0);
 468         }
 469     }
 470 }
 471
 472 static void
 473 tp_call_local_pending_cb (EmpathyTpGroup *group,
 474                           EmpathyContact *contact,
 475                           EmpathyContact *actor,
 476                           guint reason,
 477                           const gchar *message,
 478                           EmpathyTpCall *call)
 479 {
 480   empathy_debug (DEBUG_DOMAIN, "New local pending added callback %p", contact);
 481   tp_call_is_ready (call);
 482 }
 483
 484 static void
 485 tp_call_remote_pending_cb (EmpathyTpGroup *group,
 486                            EmpathyContact *contact,
 487                            EmpathyContact *actor,
 488                            guint reason,
 489                            const gchar *message,
 490                            EmpathyTpCall *call)
 491 {
 492   empathy_debug (DEBUG_DOMAIN, "New remote pending added callback %p", contact);
 493   tp_call_is_ready (call);
 494 }
 495
 496 static void
 497 tp_call_async_cb (TpProxy *proxy,
 498                   const GError *error,
 499                   gpointer user_data,
 500                   GObject *call)
 501 {
 502   if (error)
 503     {
 504       empathy_debug (DEBUG_DOMAIN, "Error %s: %s",
 505           user_data, error->message);
 506     }
 507 }
 508
 509 static void
 510 tp_call_invalidated_cb (TpProxy       *stream_engine,
 511                         GQuark         domain,
 512                         gint           code,
 513                         gchar         *message,
 514                         EmpathyTpCall *call)
 515 {
 516   empathy_debug (DEBUG_DOMAIN, "Stream engine proxy invalidated: %s",
 517       message);
 518   empathy_tp_call_close_channel (call);
 519 }
 520
 521 static void
 522 tp_call_watch_name_owner_cb (TpDBusDaemon *daemon,
 523                              const gchar *name,
 524                              const gchar *new_owner,
 525                              gpointer call)
 526 {
 527   /* G_STR_EMPTY(new_owner) means either stream-engine has not started yet or
 528    * has crashed. We want to close the channel if stream-engine has crashed.
 529    * */
 530   empathy_debug (DEBUG_DOMAIN, "Watch SE: name='%s' old_owner='%s' new_owner='%s'",
 531                  name, stream_engine_owner ? stream_engine_owner : "none",
 532                  new_owner ? new_owner : "none");
 533   if (! G_STR_EMPTY(stream_engine_owner) &&
 534       G_STR_EMPTY (new_owner))
 535     {
 536       empathy_debug (DEBUG_DOMAIN, "Stream engine falled off the bus");
 537       empathy_tp_call_close_channel (call);
 538     }
 539   g_free(stream_engine_owner);
 540   stream_engine_owner = g_strdup(new_owner);
 541 }
 542
 543 static void
 544 tp_call_start_stream_engine (EmpathyTpCall *call)
 545 {
 546   EmpathyTpCallPriv *priv = GET_PRIV (call);
 547
 548   empathy_debug (DEBUG_DOMAIN, "Revving up the stream engine");
 549
 550   priv->stream_engine = g_object_new (TP_TYPE_PROXY,
 551       "bus-name", STREAM_ENGINE_BUS_NAME,
 552       "dbus-connection", tp_get_bus (),
 553       "object-path", STREAM_ENGINE_OBJECT_PATH,
 554        NULL);
 555   tp_proxy_add_interface_by_id (priv->stream_engine,
 556       EMP_IFACE_QUARK_STREAM_ENGINE);
 557   tp_proxy_add_interface_by_id (priv->stream_engine,
 558       EMP_IFACE_QUARK_CHANNEL_HANDLER);
 559
 560   g_signal_connect (priv->stream_engine, "invalidated",
 561       G_CALLBACK (tp_call_invalidated_cb),
 562       call);
 563
 564   /* FIXME: dbus daemon should be unique */
 565   priv->dbus_daemon = tp_dbus_daemon_new (tp_get_bus ());
 566   tp_dbus_daemon_watch_name_owner (priv->dbus_daemon, STREAM_ENGINE_BUS_NAME,
 567       tp_call_watch_name_owner_cb,
 568       call, NULL);
 569
 570   emp_cli_channel_handler_call_handle_channel (priv->stream_engine, -1,
 571         dbus_g_proxy_get_bus_name (DBUS_G_PROXY (priv->connection)),
 572         dbus_g_proxy_get_path (DBUS_G_PROXY (priv->connection)),
 573         priv->channel->type,
 574         dbus_g_proxy_get_path (DBUS_G_PROXY (priv->channel)),
 575         priv->channel->handle_type, priv->channel->handle,
 576         tp_call_async_cb,
 577         "calling handle channel", NULL,
 578         G_OBJECT (call));
 579 }
 580
 581 static GObject *
 582 tp_call_constructor (GType type,
 583                      guint n_construct_params,
 584                      GObjectConstructParam *construct_params)
 585 {
 586   GObject *object;
 587   EmpathyTpCall *call;
 588   EmpathyTpCallPriv *priv;
 589   DBusGProxy *streamed_iface;
 590   MissionControl *mc;
 591   McAccount *account;
 592
 593   object = G_OBJECT_CLASS (empathy_tp_call_parent_class)->constructor (type,
 594       n_construct_params, construct_params);
 595
 596   call = EMPATHY_TP_CALL (object);
 597   priv = GET_PRIV (call);
 598
 599   dbus_g_proxy_connect_signal (DBUS_G_PROXY (priv->channel), "Closed",
 600      G_CALLBACK (tp_call_channel_closed_cb), (gpointer) call, NULL);
 601
 602   streamed_iface = tp_chan_get_interface (priv->channel,
 603       TELEPATHY_CHAN_IFACE_STREAMED_QUARK);
 604   dbus_g_proxy_connect_signal (streamed_iface, "StreamStateChanged",
 605       G_CALLBACK (tp_call_stream_state_changed_cb),
 606       (gpointer) call, NULL);
 607   dbus_g_proxy_connect_signal (streamed_iface, "StreamDirectionChanged",
 608       G_CALLBACK (tp_call_stream_direction_changed_cb),
 609       (gpointer) call, NULL);
 610   dbus_g_proxy_connect_signal (streamed_iface, "StreamAdded",
 611       G_CALLBACK (tp_call_stream_added_cb), (gpointer) call, NULL);
 612   dbus_g_proxy_connect_signal (streamed_iface, "StreamRemoved",
 613       G_CALLBACK (tp_call_stream_removed_cb), (gpointer) call, NULL);
 614
 615   mc = empathy_mission_control_new ();
 616   account = mission_control_get_account_for_connection (mc, priv->connection,
 617       NULL);
 618   priv->group = empathy_tp_group_new (account, priv->channel);
 619   g_object_unref (mc);
 620
 621   g_signal_connect (G_OBJECT (priv->group), "member-added",
 622       G_CALLBACK (tp_call_member_added_cb), (gpointer) call);
 623   g_signal_connect (G_OBJECT (priv->group), "local-pending",
 624       G_CALLBACK (tp_call_local_pending_cb), (gpointer) call);
 625   g_signal_connect (G_OBJECT (priv->group), "remote-pending",
 626       G_CALLBACK (tp_call_remote_pending_cb), (gpointer) call);
 627
 628   tp_call_start_stream_engine (call);
 629   /* FIXME: unnecessary for outgoing? */
 630   tp_call_identify_streams (call);
 631
 632   return object;
 633 }
 634
 635 static void
 636 tp_call_finalize (GObject *object)
 637 {
 638   EmpathyTpCallPriv *priv = GET_PRIV (object);
 639
 640   empathy_debug (DEBUG_DOMAIN, "Finalizing: %p", object);
 641
 642   g_slice_free (EmpathyTpCallStream, priv->audio);
 643   g_slice_free (EmpathyTpCallStream, priv->video);
 644   g_object_unref (priv->group);
 645
 646   if (priv->connection != NULL)
 647     g_object_unref (priv->connection);
 648
 649   if (priv->channel != NULL)
 650     g_object_unref (priv->channel);
 651
 652   if (priv->stream_engine != NULL)
 653     g_object_unref (priv->stream_engine);
 654
 655   if (priv->contact != NULL)
 656       g_object_unref (priv->contact);
 657
 658   if (priv->dbus_daemon != NULL)
 659     {
 660       tp_dbus_daemon_cancel_name_owner_watch (priv->dbus_daemon,
 661           STREAM_ENGINE_BUS_NAME,
 662           tp_call_watch_name_owner_cb,
 663           object);
 664       g_object_unref (priv->dbus_daemon);
 665     }
 666
 667   g_free(stream_engine_owner);
 668
 669   (G_OBJECT_CLASS (empathy_tp_call_parent_class)->finalize) (object);
 670 }
 671
 672 static void
 673 tp_call_set_property (GObject *object,
 674                       guint prop_id,
 675                       const GValue *value,
 676                       GParamSpec *pspec)
 677 {
 678   EmpathyTpCallPriv *priv = GET_PRIV (object);
 679
 680   switch (prop_id)
 681     {
 682     case PROP_CONNECTION:
 683       priv->connection = g_value_dup_object (value);
 684       break;
 685     case PROP_CHANNEL:
 686       priv->channel = g_value_dup_object (value);
 687       break;
 688     case PROP_CONTACT:
 689       /* FIXME should this one be writable in the first place ? */
 690       g_assert (priv->contact == NULL);
 691       priv->contact = g_value_dup_object (value);
 692       break;
 693     case PROP_IS_INCOMING:
 694       priv->is_incoming = g_value_get_boolean (value);
 695       break;
 696     case PROP_STATUS:
 697       priv->status = g_value_get_uint (value);
 698       break;
 699     case PROP_AUDIO_STREAM:
 700       priv->audio = g_value_get_pointer (value);
 701       break;
 702     case PROP_VIDEO_STREAM:
 703       priv->video = g_value_get_pointer (value);
 704       break;
 705     default:
 706       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 707       break;
 708   }
 709 }
 710
 711
 712 static void
 713 tp_call_get_property (GObject *object,
 714                       guint prop_id,
 715                       GValue *value,
 716                       GParamSpec *pspec)
 717 {
 718   EmpathyTpCallPriv *priv = GET_PRIV (object);
 719
 720   switch (prop_id)
 721     {
 722     case PROP_CONNECTION:
 723       g_value_set_object (value, priv->connection);
 724       break;
 725     case PROP_CHANNEL:
 726       g_value_set_object (value, priv->channel);
 727       break;
 728     case PROP_CONTACT:
 729       g_value_set_object (value, priv->contact);
 730       break;
 731     case PROP_IS_INCOMING:
 732       g_value_set_boolean (value, priv->is_incoming);
 733       break;
 734     case PROP_STATUS:
 735       g_value_set_uint (value, priv->status);
 736       break;
 737     case PROP_AUDIO_STREAM:
 738       g_value_set_pointer (value, priv->audio);
 739       break;
 740     case PROP_VIDEO_STREAM:
 741       g_value_set_pointer (value, priv->video);
 742       break;
 743     default:
 744       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 745       break;
 746   }
 747 }
 748
 749 static void
 750 empathy_tp_call_class_init (EmpathyTpCallClass *klass)
 751 {
 752   GObjectClass *object_class = G_OBJECT_CLASS (klass);
 753
 754   emp_cli_init ();
 755
 756   object_class->constructor = tp_call_constructor;
 757   object_class->finalize = tp_call_finalize;
 758   object_class->set_property = tp_call_set_property;
 759   object_class->get_property = tp_call_get_property;
 760
 761   g_type_class_add_private (klass, sizeof (EmpathyTpCallPriv));
 762
 763   signals[STATUS_CHANGED_SIGNAL] =
 764       g_signal_new ("status-changed", G_TYPE_FROM_CLASS (klass),
 765       G_SIGNAL_RUN_LAST, 0, NULL, NULL, g_cclosure_marshal_VOID__VOID,
 766       G_TYPE_NONE, 0);
 767   signals[RECEIVING_VIDEO_SIGNAL] =
 768       g_signal_new ("receiving-video", G_TYPE_FROM_CLASS (klass),
 769       G_SIGNAL_RUN_LAST, 0, NULL, NULL, g_cclosure_marshal_VOID__BOOLEAN,
 770       G_TYPE_NONE, 1, G_TYPE_BOOLEAN);
 771   signals[SENDING_VIDEO_SIGNAL] =
 772       g_signal_new ("sending-video", G_TYPE_FROM_CLASS (klass),
 773       G_SIGNAL_RUN_LAST, 0, NULL, NULL, g_cclosure_marshal_VOID__BOOLEAN,
 774       G_TYPE_NONE, 1, G_TYPE_BOOLEAN);
 775
 776   g_object_class_install_property (object_class, PROP_CONNECTION,
 777       g_param_spec_object ("connection", "connection", "connection",
 778       TELEPATHY_CONN_TYPE,
 779       G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE |
 780       G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
 781   g_object_class_install_property (object_class, PROP_CHANNEL,
 782       g_param_spec_object ("channel", "channel", "channel",
 783       TELEPATHY_CHAN_TYPE,
 784       G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE |
 785       G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
 786   g_object_class_install_property (object_class, PROP_CONTACT,
 787       g_param_spec_object ("contact", "Call contact", "Call contact",
 788       EMPATHY_TYPE_CONTACT,
 789       G_PARAM_READABLE | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
 790   g_object_class_install_property (object_class, PROP_IS_INCOMING,
 791       g_param_spec_boolean ("is-incoming", "Is media stream incoming",
 792       "Is media stream incoming", FALSE, G_PARAM_READABLE |
 793       G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
 794   g_object_class_install_property (object_class, PROP_STATUS,
 795       g_param_spec_uint ("status", "Call status",
 796       "Call status", 0, 255, 0, G_PARAM_READABLE | G_PARAM_STATIC_NICK |
 797       G_PARAM_STATIC_BLURB));
 798   g_object_class_install_property (object_class, PROP_AUDIO_STREAM,
 799       g_param_spec_pointer ("audio-stream", "Audio stream data",
 800       "Audio stream data",
 801       G_PARAM_READABLE | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
 802   g_object_class_install_property (object_class, PROP_VIDEO_STREAM,
 803       g_param_spec_pointer ("video-stream", "Video stream data",
 804       "Video stream data",
 805       G_PARAM_READABLE | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
 806 }
 807
 808 static void
 809 empathy_tp_call_init (EmpathyTpCall *call)
 810 {
 811   EmpathyTpCallPriv *priv = GET_PRIV (call);
 812
 813   priv->status = EMPATHY_TP_CALL_STATUS_READYING;
 814   priv->contact = NULL;
 815   priv->audio = g_slice_new0 (EmpathyTpCallStream);
 816   priv->video = g_slice_new0 (EmpathyTpCallStream);
 817   priv->audio->exists = FALSE;
 818   priv->video->exists = FALSE;
 819 }
 820
 821 EmpathyTpCall *
 822 empathy_tp_call_new (TpConn *connection, TpChan *channel)
 823 {
 824   return g_object_new (EMPATHY_TYPE_TP_CALL,
 825       "connection", connection,
 826       "channel", channel,
 827       NULL);
 828 }
 829
 830 void
 831 empathy_tp_call_accept_incoming_call (EmpathyTpCall *call)
 832 {
 833   EmpathyTpCallPriv *priv = GET_PRIV (call);
 834   GList *local_pendings;
 835
 836   empathy_debug (DEBUG_DOMAIN, "Accepting incoming call");
 837
 838   local_pendings = empathy_tp_group_get_local_pendings (priv->group);
 839
 840   empathy_tp_group_add_member (priv->group, EMPATHY_CONTACT
 841       (((EmpathyPendingInfo *) local_pendings->data)->member), NULL);
 842
 843   g_list_foreach (local_pendings, (GFunc) empathy_pending_info_free, NULL);
 844   g_list_free (local_pendings);
 845 }
 846
 847 void
 848 empathy_tp_call_request_video_stream_direction (EmpathyTpCall *call,
 849                                                 gboolean is_sending)
 850 {
 851   EmpathyTpCallPriv *priv = GET_PRIV (call);
 852   DBusGProxy *streamed_iface;
 853   guint new_direction;
 854   GError *error = NULL;
 855
 856   empathy_debug (DEBUG_DOMAIN,
 857       "Requesting video stream direction - is_sending: %d", is_sending);
 858
 859   if (!priv->video->exists)
 860     {
 861       tp_call_request_streams_for_capabilities (call, EMPATHY_CAPABILITIES_VIDEO);
 862       return;
 863     }
 864
 865   streamed_iface = tp_chan_get_interface (priv->channel,
 866       TELEPATHY_CHAN_IFACE_STREAMED_QUARK);
 867
 868   if (is_sending)
 869     {
 870       new_direction = priv->video->direction | TP_MEDIA_STREAM_DIRECTION_SEND;
 871     }
 872   else
 873     {
 874       new_direction = priv->video->direction & ~TP_MEDIA_STREAM_DIRECTION_SEND;
 875     }
 876
 877   if (!tp_chan_type_streamed_media_request_stream_direction (streamed_iface,
 878         priv->video->id, new_direction, &error))
 879     {
 880       empathy_debug (DEBUG_DOMAIN,
 881           "Couldn't request video stream direction: %s", error->message);
 882       g_clear_error (&error);
 883     }
 884 }
 885
 886 void
 887 empathy_tp_call_close_channel (EmpathyTpCall *call)
 888 {
 889   EmpathyTpCallPriv *priv = GET_PRIV (call);
 890   GError *error = NULL;
 891
 892   if (priv->status == EMPATHY_TP_CALL_STATUS_CLOSED)
 893       return;
 894
 895   empathy_debug (DEBUG_DOMAIN, "Closing channel");
 896
 897   if (!tp_chan_close (DBUS_G_PROXY (priv->channel), &error))
 898     {
 899       empathy_debug (DEBUG_DOMAIN, "Error closing channel: %s",
 900           error ? error->message : "No error given");
 901       g_clear_error (&error);
 902     }
 903   else
 904         priv->status = EMPATHY_TP_CALL_STATUS_CLOSED;
 905 }
 906
 907 void
 908 empathy_tp_call_add_preview_video (EmpathyTpCall *call,
 909                                    guint preview_video_socket_id)
 910 {
 911   EmpathyTpCallPriv *priv = GET_PRIV (call);
 912
 913   empathy_debug (DEBUG_DOMAIN, "Adding preview video");
 914
 915   emp_cli_stream_engine_call_add_preview_window (priv->stream_engine, -1,
 916       preview_video_socket_id,
 917       tp_call_async_cb,
 918       "adding preview window", NULL,
 919       G_OBJECT (call));
 920 }
 921
 922 void
 923 empathy_tp_call_remove_preview_video (EmpathyTpCall *call,
 924                                       guint preview_video_socket_id)
 925 {
 926   EmpathyTpCallPriv *priv = GET_PRIV (call);
 927
 928   empathy_debug (DEBUG_DOMAIN, "Removing preview video");
 929
 930   emp_cli_stream_engine_call_remove_preview_window (priv->stream_engine, -1,
 931       preview_video_socket_id,
 932       tp_call_async_cb,
 933       "removing preview window", NULL,
 934       G_OBJECT (call));
 935 }
 936
 937 void
 938 empathy_tp_call_add_output_video (EmpathyTpCall *call,
 939                                   guint output_video_socket_id)
 940 {
 941   EmpathyTpCallPriv *priv = GET_PRIV (call);
 942
 943   empathy_debug (DEBUG_DOMAIN, "Adding output video - socket: %d",
 944       output_video_socket_id);
 945
 946   emp_cli_stream_engine_call_set_output_window (priv->stream_engine, -1,
 947       dbus_g_proxy_get_path (DBUS_G_PROXY (priv->channel)),
 948       priv->video->id, output_video_socket_id,
 949       tp_call_async_cb,
 950       "setting output window", NULL,
 951       G_OBJECT (call));
 952 }
 953
 954 void
 955 empathy_tp_call_set_output_volume (EmpathyTpCall *call,
 956                                    guint volume)
 957 {
 958   EmpathyTpCallPriv *priv = GET_PRIV (call);
 959
 960   if (priv->status == EMPATHY_TP_CALL_STATUS_CLOSED)
 961     return;
 962
 963   empathy_debug (DEBUG_DOMAIN, "Setting output volume: %d", volume);
 964
 965   emp_cli_stream_engine_call_set_output_volume (priv->stream_engine, -1,
 966       dbus_g_proxy_get_path (DBUS_G_PROXY (priv->channel)),
 967       priv->audio->id, volume,
 968       tp_call_async_cb,
 969       "setting output volume", NULL,
 970       G_OBJECT (call));
 971 }
 972
 973 void
 974 empathy_tp_call_mute_output (EmpathyTpCall *call,
 975                              gboolean is_muted)
 976 {
 977   EmpathyTpCallPriv *priv = GET_PRIV (call);
 978
 979   if (priv->status == EMPATHY_TP_CALL_STATUS_CLOSED)
 980     return;
 981
 982   empathy_debug (DEBUG_DOMAIN, "Setting output mute: %d", is_muted);
 983
 984   emp_cli_stream_engine_call_mute_output (priv->stream_engine, -1,
 985       dbus_g_proxy_get_path (DBUS_G_PROXY (priv->channel)),
 986       priv->audio->id, is_muted,
 987       tp_call_async_cb,
 988       "muting output", NULL,
 989       G_OBJECT (call));
 990 }
 991
 992 void
 993 empathy_tp_call_mute_input (EmpathyTpCall *call,
 994                             gboolean is_muted)
 995 {
 996   EmpathyTpCallPriv *priv = GET_PRIV (call);
 997
 998   if (priv->status == EMPATHY_TP_CALL_STATUS_CLOSED)
 999     return;
1000
1001   empathy_debug (DEBUG_DOMAIN, "Setting input mute: %d", is_muted);
1002
1003   emp_cli_stream_engine_call_mute_input (priv->stream_engine, -1,
1004       dbus_g_proxy_get_path (DBUS_G_PROXY (priv->channel)),
1005       priv->audio->id, is_muted,
1006       tp_call_async_cb,
1007       "muting input", NULL,
1008       G_OBJECT (call));
1009 }
1010