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