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