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   gboolean stream_engine_started;
  61
  62   EmpathyTpCallStream *audio;
  63   EmpathyTpCallStream *video;
  64 };
  65
  66 enum
  67 {
  68   STATUS_CHANGED_SIGNAL,
  69   RECEIVING_VIDEO_SIGNAL,
  70   SENDING_VIDEO_SIGNAL,
  71   LAST_SIGNAL
  72 };
  73
  74 enum
  75 {
  76   PROP_0,
  77   PROP_CONNECTION,
  78   PROP_CHANNEL,
  79   PROP_CONTACT,
  80   PROP_IS_INCOMING,
  81   PROP_STATUS,
  82   PROP_AUDIO_STREAM,
  83   PROP_VIDEO_STREAM
  84 };
  85
  86 static guint signals[LAST_SIGNAL];
  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   GList *members;
 396   GList *local_pendings;
 397   GList *remote_pendings;
 398
 399   if (priv->status > EMPATHY_TP_CALL_STATUS_READYING)
 400     return;
 401
 402   members = empathy_tp_group_get_members (priv->group);
 403   if (!members)
 404     return;
 405
 406   local_pendings = empathy_tp_group_get_local_pendings (priv->group);
 407   remote_pendings = empathy_tp_group_get_remote_pendings (priv->group);
 408
 409   if (local_pendings &&
 410       empathy_contact_is_user (((EmpathyPendingInfo *) local_pendings->data)->member))
 411     {
 412       empathy_debug (DEBUG_DOMAIN,
 413           "Incoming call is ready - %p",
 414           ((EmpathyPendingInfo *) local_pendings->data)->member);
 415       priv->is_incoming = TRUE;
 416       priv->contact = g_object_ref (members->data);
 417     }
 418   else if (remote_pendings && empathy_contact_is_user (members->data))
 419     {
 420       empathy_debug (DEBUG_DOMAIN,
 421           "Outgoing call is ready - %p", remote_pendings->data);
 422       priv->is_incoming = FALSE;
 423       priv->contact = g_object_ref (remote_pendings->data);
 424       tp_call_request_streams (call);
 425     }
 426
 427   g_list_foreach (members, (GFunc) g_object_unref, NULL);
 428   g_list_free (members);
 429   g_list_foreach (local_pendings, (GFunc) empathy_pending_info_free, NULL);
 430   g_list_free (local_pendings);
 431   g_list_foreach (remote_pendings, (GFunc) g_object_unref, NULL);
 432   g_list_free (remote_pendings);
 433
 434   if (priv->contact)
 435     {
 436       priv->status = EMPATHY_TP_CALL_STATUS_PENDING;
 437       g_signal_emit (call, signals[STATUS_CHANGED_SIGNAL], 0);
 438     }
 439 }
 440
 441 static void
 442 tp_call_member_added_cb (EmpathyTpGroup *group,
 443                          EmpathyContact *contact,
 444                          EmpathyContact *actor,
 445                          guint reason,
 446                          const gchar *message,
 447                          EmpathyTpCall *call)
 448 {
 449   EmpathyTpCallPriv *priv = GET_PRIV (call);
 450
 451   empathy_debug (DEBUG_DOMAIN, "New member added callback %p", contact);
 452   tp_call_is_ready (call);
 453
 454   if (priv->status == EMPATHY_TP_CALL_STATUS_PENDING)
 455     {
 456       if ((priv->is_incoming && contact != priv->contact) ||
 457           (!priv->is_incoming && contact == priv->contact))
 458         {
 459           priv->status = EMPATHY_TP_CALL_STATUS_ACCEPTED;
 460           g_signal_emit (call, signals[STATUS_CHANGED_SIGNAL], 0);
 461         }
 462     }
 463 }
 464
 465 static void
 466 tp_call_local_pending_cb (EmpathyTpGroup *group,
 467                           EmpathyContact *contact,
 468                           EmpathyContact *actor,
 469                           guint reason,
 470                           const gchar *message,
 471                           EmpathyTpCall *call)
 472 {
 473   empathy_debug (DEBUG_DOMAIN, "New local pending added callback %p", contact);
 474   tp_call_is_ready (call);
 475 }
 476
 477 static void
 478 tp_call_remote_pending_cb (EmpathyTpGroup *group,
 479                            EmpathyContact *contact,
 480                            EmpathyContact *actor,
 481                            guint reason,
 482                            const gchar *message,
 483                            EmpathyTpCall *call)
 484 {
 485   empathy_debug (DEBUG_DOMAIN, "New remote pending added callback %p", contact);
 486   tp_call_is_ready (call);
 487 }
 488
 489 static void
 490 tp_call_async_cb (TpProxy *proxy,
 491                   const GError *error,
 492                   gpointer user_data,
 493                   GObject *call)
 494 {
 495   if (error)
 496     {
 497       empathy_debug (DEBUG_DOMAIN, "Error %s: %s",
 498           user_data, error->message);
 499     }
 500 }
 501
 502 static void
 503 tp_call_invalidated_cb (TpProxy       *stream_engine,
 504                         GQuark         domain,
 505                         gint           code,
 506                         gchar         *message,
 507                         EmpathyTpCall *call)
 508 {
 509   empathy_debug (DEBUG_DOMAIN, "Stream engine proxy invalidated: %s",
 510       message);
 511   empathy_tp_call_close_channel (call);
 512 }
 513
 514 static void
 515 tp_call_watch_name_owner_cb (TpDBusDaemon *daemon,
 516                              const gchar *name,
 517                              const gchar *new_owner,
 518                              gpointer call)
 519 {
 520   EmpathyTpCallPriv *priv = GET_PRIV (call);
 521
 522   /* G_STR_EMPTY(new_owner) means either stream-engine has not started yet or
 523    * has crashed. We want to close the channel if stream-engine has crashed.
 524    * */
 525   empathy_debug (DEBUG_DOMAIN,
 526                  "Watch SE: name='%s' SE started='%s' new_owner='%s'",
 527                  name, priv->stream_engine_started ? "yes" : "no",
 528                  new_owner ? new_owner : "none");
 529   if (priv->stream_engine_started && G_STR_EMPTY (new_owner))
 530     {
 531       empathy_debug (DEBUG_DOMAIN, "Stream engine falled off the bus");
 532       empathy_tp_call_close_channel (call);
 533     }
 534   priv->stream_engine_started = ! G_STR_EMPTY (new_owner);
 535 }
 536
 537 static void
 538 tp_call_start_stream_engine (EmpathyTpCall *call)
 539 {
 540   EmpathyTpCallPriv *priv = GET_PRIV (call);
 541
 542   empathy_debug (DEBUG_DOMAIN, "Revving up the stream engine");
 543
 544   priv->stream_engine = g_object_new (TP_TYPE_PROXY,
 545       "bus-name", STREAM_ENGINE_BUS_NAME,
 546       "dbus-connection", tp_get_bus (),
 547       "object-path", STREAM_ENGINE_OBJECT_PATH,
 548        NULL);
 549   tp_proxy_add_interface_by_id (priv->stream_engine,
 550       EMP_IFACE_QUARK_STREAM_ENGINE);
 551   tp_proxy_add_interface_by_id (priv->stream_engine,
 552       EMP_IFACE_QUARK_CHANNEL_HANDLER);
 553
 554   g_signal_connect (priv->stream_engine, "invalidated",
 555       G_CALLBACK (tp_call_invalidated_cb),
 556       call);
 557
 558   /* FIXME: dbus daemon should be unique */
 559   priv->dbus_daemon = tp_dbus_daemon_new (tp_get_bus ());
 560   tp_dbus_daemon_watch_name_owner (priv->dbus_daemon, STREAM_ENGINE_BUS_NAME,
 561       tp_call_watch_name_owner_cb,
 562       call, NULL);
 563
 564   emp_cli_channel_handler_call_handle_channel (priv->stream_engine, -1,
 565         dbus_g_proxy_get_bus_name (DBUS_G_PROXY (priv->connection)),
 566         dbus_g_proxy_get_path (DBUS_G_PROXY (priv->connection)),
 567         priv->channel->type,
 568         dbus_g_proxy_get_path (DBUS_G_PROXY (priv->channel)),
 569         priv->channel->handle_type, priv->channel->handle,
 570         tp_call_async_cb,
 571         "calling handle channel", NULL,
 572         G_OBJECT (call));
 573 }
 574
 575 static GObject *
 576 tp_call_constructor (GType type,
 577                      guint n_construct_params,
 578                      GObjectConstructParam *construct_params)
 579 {
 580   GObject *object;
 581   EmpathyTpCall *call;
 582   EmpathyTpCallPriv *priv;
 583   DBusGProxy *streamed_iface;
 584   MissionControl *mc;
 585   McAccount *account;
 586
 587   object = G_OBJECT_CLASS (empathy_tp_call_parent_class)->constructor (type,
 588       n_construct_params, construct_params);
 589
 590   call = EMPATHY_TP_CALL (object);
 591   priv = GET_PRIV (call);
 592
 593   dbus_g_proxy_connect_signal (DBUS_G_PROXY (priv->channel), "Closed",
 594      G_CALLBACK (tp_call_channel_closed_cb), (gpointer) call, NULL);
 595
 596   streamed_iface = tp_chan_get_interface (priv->channel,
 597       TELEPATHY_CHAN_IFACE_STREAMED_QUARK);
 598   dbus_g_proxy_connect_signal (streamed_iface, "StreamStateChanged",
 599       G_CALLBACK (tp_call_stream_state_changed_cb),
 600       (gpointer) call, NULL);
 601   dbus_g_proxy_connect_signal (streamed_iface, "StreamDirectionChanged",
 602       G_CALLBACK (tp_call_stream_direction_changed_cb),
 603       (gpointer) call, NULL);
 604   dbus_g_proxy_connect_signal (streamed_iface, "StreamAdded",
 605       G_CALLBACK (tp_call_stream_added_cb), (gpointer) call, NULL);
 606   dbus_g_proxy_connect_signal (streamed_iface, "StreamRemoved",
 607       G_CALLBACK (tp_call_stream_removed_cb), (gpointer) call, NULL);
 608
 609   mc = empathy_mission_control_new ();
 610   account = mission_control_get_account_for_connection (mc, priv->connection,
 611       NULL);
 612   priv->group = empathy_tp_group_new (account, priv->channel);
 613   g_object_unref (mc);
 614
 615   g_signal_connect (G_OBJECT (priv->group), "member-added",
 616       G_CALLBACK (tp_call_member_added_cb), (gpointer) call);
 617   g_signal_connect (G_OBJECT (priv->group), "local-pending",
 618       G_CALLBACK (tp_call_local_pending_cb), (gpointer) call);
 619   g_signal_connect (G_OBJECT (priv->group), "remote-pending",
 620       G_CALLBACK (tp_call_remote_pending_cb), (gpointer) call);
 621
 622   tp_call_start_stream_engine (call);
 623   /* FIXME: unnecessary for outgoing? */
 624   tp_call_identify_streams (call);
 625
 626   return object;
 627 }
 628
 629 static void
 630 tp_call_finalize (GObject *object)
 631 {
 632   EmpathyTpCallPriv *priv = GET_PRIV (object);
 633
 634   empathy_debug (DEBUG_DOMAIN, "Finalizing: %p", object);
 635
 636   g_slice_free (EmpathyTpCallStream, priv->audio);
 637   g_slice_free (EmpathyTpCallStream, priv->video);
 638   g_object_unref (priv->group);
 639
 640   if (priv->connection != NULL)
 641     g_object_unref (priv->connection);
 642
 643   if (priv->channel != NULL)
 644     g_object_unref (priv->channel);
 645
 646   if (priv->stream_engine != NULL)
 647     g_object_unref (priv->stream_engine);
 648
 649   if (priv->contact != NULL)
 650       g_object_unref (priv->contact);
 651
 652   if (priv->dbus_daemon != NULL)
 653     {
 654       tp_dbus_daemon_cancel_name_owner_watch (priv->dbus_daemon,
 655           STREAM_ENGINE_BUS_NAME,
 656           tp_call_watch_name_owner_cb,
 657           object);
 658       g_object_unref (priv->dbus_daemon);
 659     }
 660
 661   (G_OBJECT_CLASS (empathy_tp_call_parent_class)->finalize) (object);
 662 }
 663
 664 static void
 665 tp_call_set_property (GObject *object,
 666                       guint prop_id,
 667                       const GValue *value,
 668                       GParamSpec *pspec)
 669 {
 670   EmpathyTpCallPriv *priv = GET_PRIV (object);
 671
 672   switch (prop_id)
 673     {
 674     case PROP_CONNECTION:
 675       priv->connection = g_value_dup_object (value);
 676       break;
 677     case PROP_CHANNEL:
 678       priv->channel = g_value_dup_object (value);
 679       break;
 680     case PROP_CONTACT:
 681       /* FIXME should this one be writable in the first place ? */
 682       g_assert (priv->contact == NULL);
 683       priv->contact = g_value_dup_object (value);
 684       break;
 685     case PROP_IS_INCOMING:
 686       priv->is_incoming = g_value_get_boolean (value);
 687       break;
 688     case PROP_STATUS:
 689       priv->status = g_value_get_uint (value);
 690       break;
 691     case PROP_AUDIO_STREAM:
 692       priv->audio = g_value_get_pointer (value);
 693       break;
 694     case PROP_VIDEO_STREAM:
 695       priv->video = g_value_get_pointer (value);
 696       break;
 697     default:
 698       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 699       break;
 700   }
 701 }
 702
 703
 704 static void
 705 tp_call_get_property (GObject *object,
 706                       guint prop_id,
 707                       GValue *value,
 708                       GParamSpec *pspec)
 709 {
 710   EmpathyTpCallPriv *priv = GET_PRIV (object);
 711
 712   switch (prop_id)
 713     {
 714     case PROP_CONNECTION:
 715       g_value_set_object (value, priv->connection);
 716       break;
 717     case PROP_CHANNEL:
 718       g_value_set_object (value, priv->channel);
 719       break;
 720     case PROP_CONTACT:
 721       g_value_set_object (value, priv->contact);
 722       break;
 723     case PROP_IS_INCOMING:
 724       g_value_set_boolean (value, priv->is_incoming);
 725       break;
 726     case PROP_STATUS:
 727       g_value_set_uint (value, priv->status);
 728       break;
 729     case PROP_AUDIO_STREAM:
 730       g_value_set_pointer (value, priv->audio);
 731       break;
 732     case PROP_VIDEO_STREAM:
 733       g_value_set_pointer (value, priv->video);
 734       break;
 735     default:
 736       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 737       break;
 738   }
 739 }
 740
 741 static void
 742 empathy_tp_call_class_init (EmpathyTpCallClass *klass)
 743 {
 744   GObjectClass *object_class = G_OBJECT_CLASS (klass);
 745
 746   emp_cli_init ();
 747
 748   object_class->constructor = tp_call_constructor;
 749   object_class->finalize = tp_call_finalize;
 750   object_class->set_property = tp_call_set_property;
 751   object_class->get_property = tp_call_get_property;
 752
 753   g_type_class_add_private (klass, sizeof (EmpathyTpCallPriv));
 754
 755   signals[STATUS_CHANGED_SIGNAL] =
 756       g_signal_new ("status-changed", G_TYPE_FROM_CLASS (klass),
 757       G_SIGNAL_RUN_LAST, 0, NULL, NULL, g_cclosure_marshal_VOID__VOID,
 758       G_TYPE_NONE, 0);
 759   signals[RECEIVING_VIDEO_SIGNAL] =
 760       g_signal_new ("receiving-video", G_TYPE_FROM_CLASS (klass),
 761       G_SIGNAL_RUN_LAST, 0, NULL, NULL, g_cclosure_marshal_VOID__BOOLEAN,
 762       G_TYPE_NONE, 1, G_TYPE_BOOLEAN);
 763   signals[SENDING_VIDEO_SIGNAL] =
 764       g_signal_new ("sending-video", G_TYPE_FROM_CLASS (klass),
 765       G_SIGNAL_RUN_LAST, 0, NULL, NULL, g_cclosure_marshal_VOID__BOOLEAN,
 766       G_TYPE_NONE, 1, G_TYPE_BOOLEAN);
 767
 768   g_object_class_install_property (object_class, PROP_CONNECTION,
 769       g_param_spec_object ("connection", "connection", "connection",
 770       TELEPATHY_CONN_TYPE,
 771       G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE |
 772       G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
 773   g_object_class_install_property (object_class, PROP_CHANNEL,
 774       g_param_spec_object ("channel", "channel", "channel",
 775       TELEPATHY_CHAN_TYPE,
 776       G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE |
 777       G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
 778   g_object_class_install_property (object_class, PROP_CONTACT,
 779       g_param_spec_object ("contact", "Call contact", "Call contact",
 780       EMPATHY_TYPE_CONTACT,
 781       G_PARAM_READABLE | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
 782   g_object_class_install_property (object_class, PROP_IS_INCOMING,
 783       g_param_spec_boolean ("is-incoming", "Is media stream incoming",
 784       "Is media stream incoming", FALSE, G_PARAM_READABLE |
 785       G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
 786   g_object_class_install_property (object_class, PROP_STATUS,
 787       g_param_spec_uint ("status", "Call status",
 788       "Call status", 0, 255, 0, G_PARAM_READABLE | G_PARAM_STATIC_NICK |
 789       G_PARAM_STATIC_BLURB));
 790   g_object_class_install_property (object_class, PROP_AUDIO_STREAM,
 791       g_param_spec_pointer ("audio-stream", "Audio stream data",
 792       "Audio stream data",
 793       G_PARAM_READABLE | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
 794   g_object_class_install_property (object_class, PROP_VIDEO_STREAM,
 795       g_param_spec_pointer ("video-stream", "Video stream data",
 796       "Video stream data",
 797       G_PARAM_READABLE | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
 798 }
 799
 800 static void
 801 empathy_tp_call_init (EmpathyTpCall *call)
 802 {
 803   EmpathyTpCallPriv *priv = GET_PRIV (call);
 804
 805   priv->status = EMPATHY_TP_CALL_STATUS_READYING;
 806   priv->contact = NULL;
 807   priv->stream_engine_started = FALSE;
 808   priv->audio = g_slice_new0 (EmpathyTpCallStream);
 809   priv->video = g_slice_new0 (EmpathyTpCallStream);
 810   priv->audio->exists = FALSE;
 811   priv->video->exists = FALSE;
 812 }
 813
 814 EmpathyTpCall *
 815 empathy_tp_call_new (TpConn *connection, TpChan *channel)
 816 {
 817   return g_object_new (EMPATHY_TYPE_TP_CALL,
 818       "connection", connection,
 819       "channel", channel,
 820       NULL);
 821 }
 822
 823 void
 824 empathy_tp_call_accept_incoming_call (EmpathyTpCall *call)
 825 {
 826   EmpathyTpCallPriv *priv = GET_PRIV (call);
 827   EmpathyContact *self_contact;
 828
 829   empathy_debug (DEBUG_DOMAIN, "Accepting incoming call");
 830
 831   self_contact = empathy_tp_group_get_self_contact (priv->group);
 832   empathy_tp_group_add_member (priv->group, self_contact, NULL);
 833   g_object_unref (self_contact);
 834 }
 835
 836 void
 837 empathy_tp_call_request_video_stream_direction (EmpathyTpCall *call,
 838                                                 gboolean is_sending)
 839 {
 840   EmpathyTpCallPriv *priv = GET_PRIV (call);
 841   DBusGProxy *streamed_iface;
 842   guint new_direction;
 843   GError *error = NULL;
 844
 845   empathy_debug (DEBUG_DOMAIN,
 846       "Requesting video stream direction - is_sending: %d", is_sending);
 847
 848   if (!priv->video->exists)
 849     {
 850       tp_call_request_streams_for_capabilities (call, EMPATHY_CAPABILITIES_VIDEO);
 851       return;
 852     }
 853
 854   streamed_iface = tp_chan_get_interface (priv->channel,
 855       TELEPATHY_CHAN_IFACE_STREAMED_QUARK);
 856
 857   if (is_sending)
 858     {
 859       new_direction = priv->video->direction | TP_MEDIA_STREAM_DIRECTION_SEND;
 860     }
 861   else
 862     {
 863       new_direction = priv->video->direction & ~TP_MEDIA_STREAM_DIRECTION_SEND;
 864     }
 865
 866   if (!tp_chan_type_streamed_media_request_stream_direction (streamed_iface,
 867         priv->video->id, new_direction, &error))
 868     {
 869       empathy_debug (DEBUG_DOMAIN,
 870           "Couldn't request video stream direction: %s", error->message);
 871       g_clear_error (&error);
 872     }
 873 }
 874
 875 void
 876 empathy_tp_call_close_channel (EmpathyTpCall *call)
 877 {
 878   EmpathyTpCallPriv *priv = GET_PRIV (call);
 879   GError *error = NULL;
 880
 881   if (priv->status == EMPATHY_TP_CALL_STATUS_CLOSED)
 882       return;
 883
 884   empathy_debug (DEBUG_DOMAIN, "Closing channel");
 885
 886   if (!tp_chan_close (DBUS_G_PROXY (priv->channel), &error))
 887     {
 888       empathy_debug (DEBUG_DOMAIN, "Error closing channel: %s",
 889           error ? error->message : "No error given");
 890       g_clear_error (&error);
 891     }
 892   else
 893         priv->status = EMPATHY_TP_CALL_STATUS_CLOSED;
 894 }
 895
 896 void
 897 empathy_tp_call_add_preview_video (EmpathyTpCall *call,
 898                                    guint preview_video_socket_id)
 899 {
 900   EmpathyTpCallPriv *priv = GET_PRIV (call);
 901
 902   empathy_debug (DEBUG_DOMAIN, "Adding preview video");
 903
 904   emp_cli_stream_engine_call_add_preview_window (priv->stream_engine, -1,
 905       preview_video_socket_id,
 906       tp_call_async_cb,
 907       "adding preview window", NULL,
 908       G_OBJECT (call));
 909 }
 910
 911 void
 912 empathy_tp_call_remove_preview_video (EmpathyTpCall *call,
 913                                       guint preview_video_socket_id)
 914 {
 915   EmpathyTpCallPriv *priv = GET_PRIV (call);
 916
 917   empathy_debug (DEBUG_DOMAIN, "Removing preview video");
 918
 919   emp_cli_stream_engine_call_remove_preview_window (priv->stream_engine, -1,
 920       preview_video_socket_id,
 921       tp_call_async_cb,
 922       "removing preview window", NULL,
 923       G_OBJECT (call));
 924 }
 925
 926 void
 927 empathy_tp_call_add_output_video (EmpathyTpCall *call,
 928                                   guint output_video_socket_id)
 929 {
 930   EmpathyTpCallPriv *priv = GET_PRIV (call);
 931
 932   empathy_debug (DEBUG_DOMAIN, "Adding output video - socket: %d",
 933       output_video_socket_id);
 934
 935   emp_cli_stream_engine_call_set_output_window (priv->stream_engine, -1,
 936       dbus_g_proxy_get_path (DBUS_G_PROXY (priv->channel)),
 937       priv->video->id, output_video_socket_id,
 938       tp_call_async_cb,
 939       "setting output window", NULL,
 940       G_OBJECT (call));
 941 }
 942
 943 void
 944 empathy_tp_call_set_output_volume (EmpathyTpCall *call,
 945                                    guint volume)
 946 {
 947   EmpathyTpCallPriv *priv = GET_PRIV (call);
 948
 949   if (priv->status == EMPATHY_TP_CALL_STATUS_CLOSED)
 950     return;
 951
 952   empathy_debug (DEBUG_DOMAIN, "Setting output volume: %d", volume);
 953
 954   emp_cli_stream_engine_call_set_output_volume (priv->stream_engine, -1,
 955       dbus_g_proxy_get_path (DBUS_G_PROXY (priv->channel)),
 956       priv->audio->id, volume,
 957       tp_call_async_cb,
 958       "setting output volume", NULL,
 959       G_OBJECT (call));
 960 }
 961
 962 void
 963 empathy_tp_call_mute_output (EmpathyTpCall *call,
 964                              gboolean is_muted)
 965 {
 966   EmpathyTpCallPriv *priv = GET_PRIV (call);
 967
 968   if (priv->status == EMPATHY_TP_CALL_STATUS_CLOSED)
 969     return;
 970
 971   empathy_debug (DEBUG_DOMAIN, "Setting output mute: %d", is_muted);
 972
 973   emp_cli_stream_engine_call_mute_output (priv->stream_engine, -1,
 974       dbus_g_proxy_get_path (DBUS_G_PROXY (priv->channel)),
 975       priv->audio->id, is_muted,
 976       tp_call_async_cb,
 977       "muting output", NULL,
 978       G_OBJECT (call));
 979 }
 980
 981 void
 982 empathy_tp_call_mute_input (EmpathyTpCall *call,
 983                             gboolean is_muted)
 984 {
 985   EmpathyTpCallPriv *priv = GET_PRIV (call);
 986
 987   if (priv->status == EMPATHY_TP_CALL_STATUS_CLOSED)
 988     return;
 989
 990   empathy_debug (DEBUG_DOMAIN, "Setting input mute: %d", is_muted);
 991
 992   emp_cli_stream_engine_call_mute_input (priv->stream_engine, -1,
 993       dbus_g_proxy_get_path (DBUS_G_PROXY (priv->channel)),
 994       priv->audio->id, is_muted,
 995       tp_call_async_cb,
 996       "muting input", NULL,
 997       G_OBJECT (call));
 998 }
 999