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