libempathy/empathy-tp-call.c

   1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
   2 /*
   3  * Copyright (C) 2007 Elliot Fairweather
   4  * Copyright (C) 2007-2008 Collabora Ltd.
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  *
  20  * Authors: Elliot Fairweather <elliot.fairweather@collabora.co.uk>
  21  *          Xavier Claessens <xclaesse@gmail.com>
  22  */
  23
  24 #include <string.h>
  25
  26 #include <telepathy-glib/proxy-subclass.h>
  27 #include <telepathy-glib/dbus.h>
  28
  29 #include <extensions/extensions.h>
  30
  31 #include "empathy-tp-call.h"
  32 #include "empathy-contact-factory.h"
  33 #include "empathy-tp-group.h"
  34 #include "empathy-utils.h"
  35
  36 #define DEBUG_FLAG EMPATHY_DEBUG_TP
  37 #include "empathy-debug.h"
  38
  39 #define STREAM_ENGINE_BUS_NAME "org.freedesktop.Telepathy.StreamEngine"
  40 #define STREAM_ENGINE_OBJECT_PATH "/org/freedesktop/Telepathy/StreamEngine"
  41
  42 #define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyTpCall)
  43 typedef struct
  44 {
  45   TpChannel *channel;
  46   TpProxy *stream_engine;
  47   TpDBusDaemon *dbus_daemon;
  48   EmpathyTpGroup *group;
  49   EmpathyContact *contact;
  50   gboolean is_incoming;
  51   guint status;
  52   gboolean stream_engine_running;
  53
  54   EmpathyTpCallStream *audio;
  55   EmpathyTpCallStream *video;
  56 } EmpathyTpCallPriv;
  57
  58 enum
  59 {
  60   PROP_0,
  61   PROP_CHANNEL,
  62   PROP_CONTACT,
  63   PROP_IS_INCOMING,
  64   PROP_STATUS,
  65   PROP_AUDIO_STREAM,
  66   PROP_VIDEO_STREAM
  67 };
  68
  69 G_DEFINE_TYPE (EmpathyTpCall, empathy_tp_call, G_TYPE_OBJECT)
  70
  71 static void
  72 tp_call_add_stream (EmpathyTpCall *call,
  73                     guint stream_id,
  74                     guint contact_handle,
  75                     guint stream_type,
  76                     guint stream_state,
  77                     guint stream_direction)
  78 {
  79   EmpathyTpCallPriv *priv = GET_PRIV (call);
  80
  81   switch (stream_type)
  82     {
  83       case TP_MEDIA_STREAM_TYPE_AUDIO:
  84         DEBUG ("Audio stream - id: %d, state: %d, direction: %d",
  85             stream_id, stream_state, stream_direction);
  86         priv->audio->exists = TRUE;
  87         priv->audio->id = stream_id;
  88         priv->audio->state = stream_state;
  89         priv->audio->direction = stream_direction;
  90         g_object_notify (G_OBJECT (call), "audio-stream");
  91         break;
  92       case TP_MEDIA_STREAM_TYPE_VIDEO:
  93         DEBUG ("Video stream - id: %d, state: %d, direction: %d",
  94             stream_id, stream_state, stream_direction);
  95         priv->video->exists = TRUE;
  96         priv->video->id = stream_id;
  97         priv->video->state = stream_state;
  98         priv->video->direction = stream_direction;
  99         g_object_notify (G_OBJECT (call), "video-stream");
 100         break;
 101       default:
 102         DEBUG ("Unknown stream type: %d", stream_type);
 103     }
 104 }
 105
 106 static void
 107 tp_call_stream_added_cb (TpChannel *channel,
 108                          guint stream_id,
 109                          guint contact_handle,
 110                          guint stream_type,
 111                          gpointer user_data,
 112                          GObject *call)
 113 {
 114   DEBUG ("Stream added - stream id: %d, contact handle: %d, stream type: %d",
 115       stream_id, contact_handle, stream_type);
 116
 117   tp_call_add_stream (EMPATHY_TP_CALL (call), stream_id, contact_handle,
 118       stream_type, TP_MEDIA_STREAM_STATE_DISCONNECTED,
 119       TP_MEDIA_STREAM_DIRECTION_NONE);
 120 }
 121
 122 static void
 123 tp_call_stream_removed_cb (TpChannel *channel,
 124                            guint stream_id,
 125                            gpointer user_data,
 126                            GObject *call)
 127 {
 128   EmpathyTpCallPriv *priv = GET_PRIV (call);
 129
 130   DEBUG ("Stream removed - stream id: %d", stream_id);
 131
 132   if (stream_id == priv->audio->id)
 133     {
 134       priv->audio->exists = FALSE;
 135       g_object_notify (call, "audio-stream");
 136     }
 137   else if (stream_id == priv->video->id)
 138     {
 139       priv->video->exists = FALSE;
 140       g_object_notify (call, "video-stream");
 141     }
 142 }
 143
 144 static void
 145 tp_call_stream_state_changed_cb (TpChannel *proxy,
 146                                  guint stream_id,
 147                                  guint stream_state,
 148                                  gpointer user_data,
 149                                  GObject *call)
 150 {
 151   EmpathyTpCallPriv *priv = GET_PRIV (call);
 152
 153   DEBUG ("Stream state changed - stream id: %d, state state: %d",
 154       stream_id, stream_state);
 155
 156   if (stream_id == priv->audio->id)
 157     {
 158       priv->audio->state = stream_state;
 159       g_object_notify (call, "audio-stream");
 160     }
 161   else if (stream_id == priv->video->id)
 162     {
 163       priv->video->state = stream_state;
 164       g_object_notify (call, "video-stream");
 165     }
 166 }
 167
 168 static void
 169 tp_call_stream_direction_changed_cb (TpChannel *channel,
 170                                      guint stream_id,
 171                                      guint stream_direction,
 172                                      guint pending_flags,
 173                                      gpointer user_data,
 174                                      GObject *call)
 175 {
 176   EmpathyTpCallPriv *priv = GET_PRIV (call);
 177
 178   DEBUG ("Stream direction changed - stream: %d, direction: %d",
 179       stream_id, stream_direction);
 180
 181   if (stream_id == priv->audio->id)
 182     {
 183       priv->audio->direction = stream_direction;
 184       g_object_notify (call, "audio-stream");
 185     }
 186   else if (stream_id == priv->video->id)
 187     {
 188       priv->video->direction = stream_direction;
 189       g_object_notify (call, "video-stream");
 190     }
 191 }
 192
 193 static void
 194 tp_call_request_streams_cb (TpChannel *channel,
 195                             const GPtrArray *streams,
 196                             const GError *error,
 197                             gpointer user_data,
 198                             GObject *call)
 199 {
 200   guint i;
 201
 202   if (error)
 203     {
 204       DEBUG ("Error requesting streams: %s", error->message);
 205       return;
 206     }
 207
 208   for (i = 0; i < streams->len; i++)
 209     {
 210       GValueArray *values;
 211       guint stream_id;
 212       guint contact_handle;
 213       guint stream_type;
 214       guint stream_state;
 215       guint stream_direction;
 216
 217       values = g_ptr_array_index (streams, i);
 218       stream_id = g_value_get_uint (g_value_array_get_nth (values, 0));
 219       contact_handle = g_value_get_uint (g_value_array_get_nth (values, 1));
 220       stream_type = g_value_get_uint (g_value_array_get_nth (values, 2));
 221       stream_state = g_value_get_uint (g_value_array_get_nth (values, 3));
 222       stream_direction = g_value_get_uint (g_value_array_get_nth (values, 4));
 223
 224       tp_call_add_stream (EMPATHY_TP_CALL (call), stream_id, contact_handle,
 225           stream_type, stream_state, stream_direction);
 226   }
 227 }
 228
 229 static void
 230 tp_call_request_streams_for_capabilities (EmpathyTpCall *call,
 231                                           EmpathyCapabilities capabilities)
 232 {
 233   EmpathyTpCallPriv *priv = GET_PRIV (call);
 234   GArray *stream_types;
 235   guint handle;
 236   guint stream_type;
 237
 238   if (capabilities == EMPATHY_CAPABILITIES_UNKNOWN)
 239       capabilities = EMPATHY_CAPABILITIES_AUDIO | EMPATHY_CAPABILITIES_VIDEO;
 240
 241   DEBUG ("Requesting new stream for capabilities %d",
 242       capabilities);
 243
 244   stream_types = g_array_new (FALSE, FALSE, sizeof (guint));
 245   handle = empathy_contact_get_handle (priv->contact);
 246
 247   if (capabilities & EMPATHY_CAPABILITIES_AUDIO)
 248     {
 249       stream_type = TP_MEDIA_STREAM_TYPE_AUDIO;
 250       g_array_append_val (stream_types, stream_type);
 251     }
 252   if (capabilities & EMPATHY_CAPABILITIES_VIDEO)
 253     {
 254       stream_type = TP_MEDIA_STREAM_TYPE_VIDEO;
 255       g_array_append_val (stream_types, stream_type);
 256     }
 257
 258   tp_cli_channel_type_streamed_media_call_request_streams (priv->channel, -1,
 259       handle, stream_types, tp_call_request_streams_cb, NULL, NULL,
 260       G_OBJECT (call));
 261
 262   g_array_free (stream_types, TRUE);
 263 }
 264
 265 static void
 266 tp_call_member_added_cb (EmpathyTpGroup *group,
 267                          EmpathyContact *contact,
 268                          EmpathyContact *actor,
 269                          guint reason,
 270                          const gchar *message,
 271                          EmpathyTpCall *call)
 272 {
 273   EmpathyTpCallPriv *priv = GET_PRIV (call);
 274
 275   g_object_ref (call);
 276   if (!priv->contact && !empathy_contact_is_user (contact))
 277     {
 278       priv->contact = g_object_ref (contact);
 279       priv->is_incoming = TRUE;
 280       priv->status = EMPATHY_TP_CALL_STATUS_PENDING;
 281       g_object_notify (G_OBJECT (call), "is-incoming");
 282       g_object_notify (G_OBJECT (call), "contact");
 283       g_object_notify (G_OBJECT (call), "status");
 284       tp_call_request_streams_for_capabilities (call,
 285           EMPATHY_CAPABILITIES_AUDIO);
 286
 287     }
 288
 289   if (priv->status == EMPATHY_TP_CALL_STATUS_PENDING &&
 290       ((priv->is_incoming && contact != priv->contact) ||
 291        (!priv->is_incoming && contact == priv->contact)))
 292     {
 293       priv->status = EMPATHY_TP_CALL_STATUS_ACCEPTED;
 294       g_object_notify (G_OBJECT (call), "status");
 295     }
 296   g_object_unref (call);
 297 }
 298
 299 static void
 300 tp_call_remote_pending_cb (EmpathyTpGroup *group,
 301                            EmpathyContact *contact,
 302                            EmpathyContact *actor,
 303                            guint reason,
 304                            const gchar *message,
 305                            EmpathyTpCall *call)
 306 {
 307   EmpathyTpCallPriv *priv = GET_PRIV (call);
 308
 309   g_object_ref (call);
 310   if (!priv->contact && !empathy_contact_is_user (contact))
 311     {
 312       priv->contact = g_object_ref (contact);
 313       priv->is_incoming = FALSE;
 314       priv->status = EMPATHY_TP_CALL_STATUS_PENDING;
 315       g_object_notify (G_OBJECT (call), "is-incoming");
 316       g_object_notify (G_OBJECT (call), "contact");
 317       g_object_notify (G_OBJECT (call), "status");
 318       tp_call_request_streams_for_capabilities (call,
 319           EMPATHY_CAPABILITIES_AUDIO);
 320     }
 321   g_object_unref (call);
 322 }
 323
 324 static void
 325 tp_call_channel_invalidated_cb (TpChannel     *channel,
 326                                 GQuark         domain,
 327                                 gint           code,
 328                                 gchar         *message,
 329                                 EmpathyTpCall *call)
 330 {
 331   EmpathyTpCallPriv *priv = GET_PRIV (call);
 332
 333   DEBUG ("Channel invalidated: %s", message);
 334   priv->status = EMPATHY_TP_CALL_STATUS_CLOSED;
 335   g_object_notify (G_OBJECT (call), "status");
 336 }
 337
 338 static void
 339 tp_call_async_cb (TpProxy *proxy,
 340                   const GError *error,
 341                   gpointer user_data,
 342                   GObject *call)
 343 {
 344   if (error)
 345       DEBUG ("Error %s: %s", (gchar*) user_data, error->message);
 346 }
 347
 348 static void
 349 tp_call_close_channel (EmpathyTpCall *call)
 350 {
 351   EmpathyTpCallPriv *priv = GET_PRIV (call);
 352
 353   if (priv->status == EMPATHY_TP_CALL_STATUS_CLOSED)
 354       return;
 355
 356   DEBUG ("Closing channel");
 357
 358   tp_cli_channel_call_close (priv->channel, -1,
 359       NULL, NULL, NULL, NULL);
 360
 361   priv->status = EMPATHY_TP_CALL_STATUS_CLOSED;
 362   g_object_notify (G_OBJECT (call), "status");
 363 }
 364
 365 static void
 366 tp_call_stream_engine_invalidated_cb (TpProxy       *stream_engine,
 367                                       GQuark         domain,
 368                                       gint           code,
 369                                       gchar         *message,
 370                                       EmpathyTpCall *call)
 371 {
 372   DEBUG ("Stream engine proxy invalidated: %s", message);
 373   tp_call_close_channel (call);
 374 }
 375
 376 static void
 377 tp_call_stream_engine_watch_name_owner_cb (TpDBusDaemon *daemon,
 378                                            const gchar *name,
 379                                            const gchar *new_owner,
 380                                            gpointer call)
 381 {
 382   EmpathyTpCallPriv *priv = GET_PRIV (call);
 383
 384   /* G_STR_EMPTY(new_owner) means either stream-engine has not started yet or
 385    * has crashed. We want to close the channel if stream-engine has crashed.
 386    * */
 387   DEBUG ("Watch SE: name='%s' SE running='%s' new_owner='%s'",
 388       name, priv->stream_engine_running ? "yes" : "no",
 389       new_owner ? new_owner : "none");
 390   if (priv->stream_engine_running && G_STR_EMPTY (new_owner))
 391     {
 392       DEBUG ("Stream engine falled off the bus");
 393       tp_call_close_channel (call);
 394       return;
 395     }
 396
 397   priv->stream_engine_running = !G_STR_EMPTY (new_owner);
 398 }
 399
 400 static void
 401 tp_call_stream_engine_handle_channel (EmpathyTpCall *call)
 402 {
 403   EmpathyTpCallPriv *priv = GET_PRIV (call);
 404   gchar *channel_type;
 405   gchar *object_path;
 406   guint handle_type;
 407   guint handle;
 408   TpProxy *connection;
 409
 410   DEBUG ("Revving up the stream engine");
 411
 412   priv->stream_engine = g_object_new (TP_TYPE_PROXY,
 413       "bus-name", STREAM_ENGINE_BUS_NAME,
 414       "dbus-connection", tp_get_bus (),
 415       "object-path", STREAM_ENGINE_OBJECT_PATH,
 416        NULL);
 417   tp_proxy_add_interface_by_id (priv->stream_engine,
 418       EMP_IFACE_QUARK_STREAM_ENGINE);
 419   tp_proxy_add_interface_by_id (priv->stream_engine,
 420       EMP_IFACE_QUARK_CHANNEL_HANDLER);
 421
 422   g_signal_connect (priv->stream_engine, "invalidated",
 423       G_CALLBACK (tp_call_stream_engine_invalidated_cb),
 424       call);
 425
 426   /* FIXME: dbus daemon should be unique */
 427   priv->dbus_daemon = tp_dbus_daemon_new (tp_get_bus ());
 428   tp_dbus_daemon_watch_name_owner (priv->dbus_daemon, STREAM_ENGINE_BUS_NAME,
 429       tp_call_stream_engine_watch_name_owner_cb,
 430       call, NULL);
 431
 432   g_object_get (priv->channel,
 433       "connection", &connection,
 434       "channel-type", &channel_type,
 435       "object-path", &object_path,
 436       "handle_type", &handle_type,
 437       "handle", &handle,
 438       NULL);
 439
 440   emp_cli_channel_handler_call_handle_channel (priv->stream_engine, -1,
 441         connection->bus_name,
 442         connection->object_path,
 443         channel_type, object_path, handle_type, handle,
 444         tp_call_async_cb, "calling handle channel", NULL,
 445         G_OBJECT (call));
 446
 447   g_object_unref (connection);
 448   g_free (channel_type);
 449   g_free (object_path);
 450 }
 451
 452 static GObject *
 453 tp_call_constructor (GType type,
 454                      guint n_construct_params,
 455                      GObjectConstructParam *construct_params)
 456 {
 457   GObject *object;
 458   EmpathyTpCall *call;
 459   EmpathyTpCallPriv *priv;
 460
 461   object = G_OBJECT_CLASS (empathy_tp_call_parent_class)->constructor (type,
 462       n_construct_params, construct_params);
 463
 464   call = EMPATHY_TP_CALL (object);
 465   priv = GET_PRIV (call);
 466
 467   /* Setup streamed media channel */
 468   g_signal_connect (priv->channel, "invalidated",
 469       G_CALLBACK (tp_call_channel_invalidated_cb), call);
 470   tp_cli_channel_type_streamed_media_connect_to_stream_added (priv->channel,
 471       tp_call_stream_added_cb, NULL, NULL, G_OBJECT (call), NULL);
 472   tp_cli_channel_type_streamed_media_connect_to_stream_removed (priv->channel,
 473       tp_call_stream_removed_cb, NULL, NULL, G_OBJECT (call), NULL);
 474   tp_cli_channel_type_streamed_media_connect_to_stream_state_changed (priv->channel,
 475       tp_call_stream_state_changed_cb, NULL, NULL, G_OBJECT (call), NULL);
 476   tp_cli_channel_type_streamed_media_connect_to_stream_direction_changed (priv->channel,
 477       tp_call_stream_direction_changed_cb, NULL, NULL, G_OBJECT (call), NULL);
 478   tp_cli_channel_type_streamed_media_call_list_streams (priv->channel, -1,
 479       tp_call_request_streams_cb, NULL, NULL, G_OBJECT (call));
 480
 481   /* Setup group interface */
 482   priv->group = empathy_tp_group_new (priv->channel);
 483
 484   g_signal_connect (priv->group, "member-added",
 485       G_CALLBACK (tp_call_member_added_cb), call);
 486   g_signal_connect (priv->group, "remote-pending",
 487       G_CALLBACK (tp_call_remote_pending_cb), call);
 488
 489   /* Start stream engine */
 490   tp_call_stream_engine_handle_channel (call);
 491
 492   return object;
 493 }
 494
 495 static void
 496 tp_call_finalize (GObject *object)
 497 {
 498   EmpathyTpCallPriv *priv = GET_PRIV (object);
 499
 500   DEBUG ("Finalizing: %p", object);
 501
 502   g_slice_free (EmpathyTpCallStream, priv->audio);
 503   g_slice_free (EmpathyTpCallStream, priv->video);
 504   g_object_unref (priv->group);
 505
 506   if (priv->channel != NULL)
 507     {
 508       g_signal_handlers_disconnect_by_func (priv->channel,
 509           tp_call_channel_invalidated_cb, object);
 510       tp_call_close_channel (EMPATHY_TP_CALL (object));
 511       g_object_unref (priv->channel);
 512     }
 513
 514   if (priv->stream_engine != NULL)
 515     {
 516       g_signal_handlers_disconnect_by_func (priv->stream_engine,
 517           tp_call_stream_engine_invalidated_cb, object);
 518       g_object_unref (priv->stream_engine);
 519     }
 520
 521   if (priv->contact != NULL)
 522       g_object_unref (priv->contact);
 523
 524   if (priv->dbus_daemon != NULL)
 525     {
 526       tp_dbus_daemon_cancel_name_owner_watch (priv->dbus_daemon,
 527           STREAM_ENGINE_BUS_NAME,
 528           tp_call_stream_engine_watch_name_owner_cb,
 529           object);
 530       g_object_unref (priv->dbus_daemon);
 531     }
 532
 533   (G_OBJECT_CLASS (empathy_tp_call_parent_class)->finalize) (object);
 534 }
 535
 536 static void
 537 tp_call_set_property (GObject *object,
 538                       guint prop_id,
 539                       const GValue *value,
 540                       GParamSpec *pspec)
 541 {
 542   EmpathyTpCallPriv *priv = GET_PRIV (object);
 543
 544   switch (prop_id)
 545     {
 546     case PROP_CHANNEL:
 547       priv->channel = g_value_dup_object (value);
 548       break;
 549     default:
 550       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 551       break;
 552   }
 553 }
 554
 555 static void
 556 tp_call_get_property (GObject *object,
 557                       guint prop_id,
 558                       GValue *value,
 559                       GParamSpec *pspec)
 560 {
 561   EmpathyTpCallPriv *priv = GET_PRIV (object);
 562
 563   switch (prop_id)
 564     {
 565     case PROP_CHANNEL:
 566       g_value_set_object (value, priv->channel);
 567       break;
 568     case PROP_CONTACT:
 569       g_value_set_object (value, priv->contact);
 570       break;
 571     case PROP_IS_INCOMING:
 572       g_value_set_boolean (value, priv->is_incoming);
 573       break;
 574     case PROP_STATUS:
 575       g_value_set_uint (value, priv->status);
 576       break;
 577     case PROP_AUDIO_STREAM:
 578       g_value_set_pointer (value, priv->audio);
 579       break;
 580     case PROP_VIDEO_STREAM:
 581       g_value_set_pointer (value, priv->video);
 582       break;
 583     default:
 584       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 585       break;
 586   }
 587 }
 588
 589 static void
 590 empathy_tp_call_class_init (EmpathyTpCallClass *klass)
 591 {
 592   GObjectClass *object_class = G_OBJECT_CLASS (klass);
 593
 594   emp_cli_init ();
 595
 596   object_class->constructor = tp_call_constructor;
 597   object_class->finalize = tp_call_finalize;
 598   object_class->set_property = tp_call_set_property;
 599   object_class->get_property = tp_call_get_property;
 600
 601   g_type_class_add_private (klass, sizeof (EmpathyTpCallPriv));
 602
 603   g_object_class_install_property (object_class, PROP_CHANNEL,
 604       g_param_spec_object ("channel", "channel", "channel",
 605       TP_TYPE_CHANNEL,
 606       G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE |
 607       G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
 608   g_object_class_install_property (object_class, PROP_CONTACT,
 609       g_param_spec_object ("contact", "Call contact", "Call contact",
 610       EMPATHY_TYPE_CONTACT,
 611       G_PARAM_READABLE | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
 612   g_object_class_install_property (object_class, PROP_IS_INCOMING,
 613       g_param_spec_boolean ("is-incoming", "Is media stream incoming",
 614       "Is media stream incoming", FALSE, G_PARAM_READABLE |
 615       G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
 616   g_object_class_install_property (object_class, PROP_STATUS,
 617       g_param_spec_uint ("status", "Call status",
 618       "Call status", 0, 255, 0, G_PARAM_READABLE | G_PARAM_STATIC_NICK |
 619       G_PARAM_STATIC_BLURB));
 620   g_object_class_install_property (object_class, PROP_AUDIO_STREAM,
 621       g_param_spec_pointer ("audio-stream", "Audio stream data",
 622       "Audio stream data",
 623       G_PARAM_READABLE | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
 624   g_object_class_install_property (object_class, PROP_VIDEO_STREAM,
 625       g_param_spec_pointer ("video-stream", "Video stream data",
 626       "Video stream data",
 627       G_PARAM_READABLE | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
 628 }
 629
 630 static void
 631 empathy_tp_call_init (EmpathyTpCall *call)
 632 {
 633   EmpathyTpCallPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (call,
 634                 EMPATHY_TYPE_TP_CALL, EmpathyTpCallPriv);
 635
 636   call->priv = priv;
 637   priv->status = EMPATHY_TP_CALL_STATUS_READYING;
 638   priv->contact = NULL;
 639   priv->stream_engine_running = FALSE;
 640   priv->audio = g_slice_new0 (EmpathyTpCallStream);
 641   priv->video = g_slice_new0 (EmpathyTpCallStream);
 642   priv->audio->exists = FALSE;
 643   priv->video->exists = FALSE;
 644 }
 645
 646 EmpathyTpCall *
 647 empathy_tp_call_new (TpChannel *channel)
 648 {
 649   g_return_val_if_fail (TP_IS_CHANNEL (channel), NULL);
 650
 651   return g_object_new (EMPATHY_TYPE_TP_CALL,
 652       "channel", channel,
 653       NULL);
 654 }
 655
 656 void
 657 empathy_tp_call_accept_incoming_call (EmpathyTpCall *call)
 658 {
 659   EmpathyTpCallPriv *priv = GET_PRIV (call);
 660   EmpathyContact *self_contact;
 661
 662   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 663   g_return_if_fail (priv->status == EMPATHY_TP_CALL_STATUS_PENDING);
 664
 665   DEBUG ("Accepting incoming call");
 666
 667   self_contact = empathy_tp_group_get_self_contact (priv->group);
 668   empathy_tp_group_add_member (priv->group, self_contact, NULL);
 669   g_object_unref (self_contact);
 670 }
 671
 672 void
 673 empathy_tp_call_request_video_stream_direction (EmpathyTpCall *call,
 674                                                 gboolean is_sending)
 675 {
 676   EmpathyTpCallPriv *priv = GET_PRIV (call);
 677   guint new_direction;
 678
 679   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 680   g_return_if_fail (priv->status == EMPATHY_TP_CALL_STATUS_ACCEPTED);
 681
 682   DEBUG ("Requesting video stream direction - is_sending: %d", is_sending);
 683
 684   if (!priv->video->exists)
 685     {
 686       if (is_sending)
 687           tp_call_request_streams_for_capabilities (call,
 688               EMPATHY_CAPABILITIES_VIDEO);
 689       return;
 690     }
 691
 692   if (is_sending)
 693       new_direction = priv->video->direction | TP_MEDIA_STREAM_DIRECTION_SEND;
 694   else
 695       new_direction = priv->video->direction & ~TP_MEDIA_STREAM_DIRECTION_SEND;
 696
 697   tp_cli_channel_type_streamed_media_call_request_stream_direction (priv->channel,
 698       -1, priv->video->id, new_direction,
 699       (tp_cli_channel_type_streamed_media_callback_for_request_stream_direction)
 700       tp_call_async_cb, NULL, NULL, G_OBJECT (call));
 701 }
 702
 703 void
 704 empathy_tp_call_add_preview_video (EmpathyTpCall *call,
 705                                    guint preview_video_socket_id)
 706 {
 707   EmpathyTpCallPriv *priv = GET_PRIV (call);
 708
 709   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 710
 711   DEBUG ("Adding preview video");
 712
 713   emp_cli_stream_engine_call_add_preview_window (priv->stream_engine, -1,
 714       preview_video_socket_id,
 715       tp_call_async_cb,
 716       "adding preview window", NULL,
 717       G_OBJECT (call));
 718 }
 719
 720 void
 721 empathy_tp_call_remove_preview_video (EmpathyTpCall *call,
 722                                       guint preview_video_socket_id)
 723 {
 724   EmpathyTpCallPriv *priv = GET_PRIV (call);
 725
 726   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 727
 728   DEBUG ("Removing preview video");
 729
 730   emp_cli_stream_engine_call_remove_preview_window (priv->stream_engine, -1,
 731       preview_video_socket_id,
 732       tp_call_async_cb,
 733       "removing preview window", NULL,
 734       G_OBJECT (call));
 735 }
 736
 737 void
 738 empathy_tp_call_add_output_video (EmpathyTpCall *call,
 739                                   guint output_video_socket_id)
 740 {
 741   EmpathyTpCallPriv *priv = GET_PRIV (call);
 742
 743   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 744
 745   DEBUG ("Adding output video - socket: %d", output_video_socket_id);
 746
 747   emp_cli_stream_engine_call_set_output_window (priv->stream_engine, -1,
 748       TP_PROXY (priv->channel)->object_path,
 749       priv->video->id, output_video_socket_id,
 750       tp_call_async_cb,
 751       "setting output window", NULL,
 752       G_OBJECT (call));
 753 }
 754
 755 void
 756 empathy_tp_call_set_output_volume (EmpathyTpCall *call,
 757                                    guint volume)
 758 {
 759   EmpathyTpCallPriv *priv = GET_PRIV (call);
 760
 761   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 762   g_return_if_fail (priv->status != EMPATHY_TP_CALL_STATUS_CLOSED);
 763
 764   DEBUG ("Setting output volume: %d", volume);
 765
 766   emp_cli_stream_engine_call_set_output_volume (priv->stream_engine, -1,
 767       TP_PROXY (priv->channel)->object_path,
 768       priv->audio->id, volume,
 769       tp_call_async_cb,
 770       "setting output volume", NULL,
 771       G_OBJECT (call));
 772 }
 773
 774 void
 775 empathy_tp_call_mute_output (EmpathyTpCall *call,
 776                              gboolean is_muted)
 777 {
 778   EmpathyTpCallPriv *priv = GET_PRIV (call);
 779
 780   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 781
 782   DEBUG ("Setting output mute: %d", is_muted);
 783
 784   emp_cli_stream_engine_call_mute_output (priv->stream_engine, -1,
 785       TP_PROXY (priv->channel)->object_path,
 786       priv->audio->id, is_muted,
 787       tp_call_async_cb,
 788       "muting output", NULL,
 789       G_OBJECT (call));
 790 }
 791
 792 void
 793 empathy_tp_call_mute_input (EmpathyTpCall *call,
 794                             gboolean is_muted)
 795 {
 796   EmpathyTpCallPriv *priv = GET_PRIV (call);
 797
 798   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 799
 800   DEBUG ("Setting input mute: %d", is_muted);
 801
 802   emp_cli_stream_engine_call_mute_input (priv->stream_engine, -1,
 803       TP_PROXY (priv->channel)->object_path,
 804       priv->audio->id, is_muted,
 805       tp_call_async_cb,
 806       "muting input", NULL,
 807       G_OBJECT (call));
 808 }
 809
 810 void
 811 empathy_tp_call_start_tone (EmpathyTpCall *call, TpDTMFEvent event)
 812 {
 813   EmpathyTpCallPriv *priv = GET_PRIV (call);
 814
 815   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 816   g_return_if_fail (priv->status == EMPATHY_TP_CALL_STATUS_ACCEPTED);
 817
 818   if (!priv->audio->exists)
 819       return;
 820
 821   tp_cli_channel_interface_dtmf_call_start_tone (priv->channel, -1,
 822       priv->audio->id, event,
 823       (tp_cli_channel_interface_dtmf_callback_for_start_tone) tp_call_async_cb,
 824       "starting tone", NULL, G_OBJECT (call));
 825 }
 826
 827 void
 828 empathy_tp_call_stop_tone (EmpathyTpCall *call)
 829 {
 830   EmpathyTpCallPriv *priv = GET_PRIV (call);
 831
 832   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 833   g_return_if_fail (priv->status == EMPATHY_TP_CALL_STATUS_ACCEPTED);
 834
 835   if (!priv->audio->exists)
 836       return;
 837
 838   tp_cli_channel_interface_dtmf_call_stop_tone (priv->channel, -1,
 839       priv->audio->id,
 840       (tp_cli_channel_interface_dtmf_callback_for_stop_tone) tp_call_async_cb,
 841       "stoping tone", NULL, G_OBJECT (call));
 842 }
 843