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 #include <telepathy-glib/interfaces.h>
  29
  30 #include <extensions/extensions.h>
  31
  32 #include "empathy-tp-call.h"
  33 #include "empathy-contact-factory.h"
  34 #include "empathy-tp-group.h"
  35 #include "empathy-utils.h"
  36
  37 #define DEBUG_FLAG EMPATHY_DEBUG_TP
  38 #include "empathy-debug.h"
  39
  40 #define STREAM_ENGINE_BUS_NAME "org.freedesktop.Telepathy.StreamEngine"
  41 #define STREAM_ENGINE_OBJECT_PATH "/org/freedesktop/Telepathy/StreamEngine"
  42
  43 #define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyTpCall)
  44 typedef struct
  45 {
  46   TpChannel *channel;
  47   TpProxy *stream_engine;
  48   TpDBusDaemon *dbus_daemon;
  49   EmpathyTpGroup *group;
  50   EmpathyContact *contact;
  51   gboolean is_incoming;
  52   guint status;
  53   gboolean stream_engine_running;
  54
  55   EmpathyTpCallStream *audio;
  56   EmpathyTpCallStream *video;
  57 } EmpathyTpCallPriv;
  58
  59 enum
  60 {
  61   PROP_0,
  62   PROP_CHANNEL,
  63   PROP_CONTACT,
  64   PROP_IS_INCOMING,
  65   PROP_STATUS,
  66   PROP_AUDIO_STREAM,
  67   PROP_VIDEO_STREAM
  68 };
  69
  70 G_DEFINE_TYPE (EmpathyTpCall, empathy_tp_call, G_TYPE_OBJECT)
  71
  72 static void
  73 tp_call_add_stream (EmpathyTpCall *call,
  74                     guint stream_id,
  75                     guint contact_handle,
  76                     guint stream_type,
  77                     guint stream_state,
  78                     guint stream_direction)
  79 {
  80   EmpathyTpCallPriv *priv = GET_PRIV (call);
  81
  82   switch (stream_type)
  83     {
  84       case TP_MEDIA_STREAM_TYPE_AUDIO:
  85         DEBUG ("Audio stream - id: %d, state: %d, direction: %d",
  86             stream_id, stream_state, stream_direction);
  87         priv->audio->exists = TRUE;
  88         priv->audio->id = stream_id;
  89         priv->audio->state = stream_state;
  90         priv->audio->direction = stream_direction;
  91         g_object_notify (G_OBJECT (call), "audio-stream");
  92         break;
  93       case TP_MEDIA_STREAM_TYPE_VIDEO:
  94         DEBUG ("Video stream - id: %d, state: %d, direction: %d",
  95             stream_id, stream_state, stream_direction);
  96         priv->video->exists = TRUE;
  97         priv->video->id = stream_id;
  98         priv->video->state = stream_state;
  99         priv->video->direction = stream_direction;
 100         g_object_notify (G_OBJECT (call), "video-stream");
 101         break;
 102       default:
 103         DEBUG ("Unknown stream type: %d", stream_type);
 104     }
 105 }
 106
 107 static void
 108 tp_call_stream_added_cb (TpChannel *channel,
 109                          guint stream_id,
 110                          guint contact_handle,
 111                          guint stream_type,
 112                          gpointer user_data,
 113                          GObject *call)
 114 {
 115   DEBUG ("Stream added - stream id: %d, contact handle: %d, stream type: %d",
 116       stream_id, contact_handle, stream_type);
 117
 118   tp_call_add_stream (EMPATHY_TP_CALL (call), stream_id, contact_handle,
 119       stream_type, TP_MEDIA_STREAM_STATE_DISCONNECTED,
 120       TP_MEDIA_STREAM_DIRECTION_NONE);
 121 }
 122
 123 static void
 124 tp_call_stream_removed_cb (TpChannel *channel,
 125                            guint stream_id,
 126                            gpointer user_data,
 127                            GObject *call)
 128 {
 129   EmpathyTpCallPriv *priv = GET_PRIV (call);
 130
 131   DEBUG ("Stream removed - stream id: %d", stream_id);
 132
 133   if (stream_id == priv->audio->id)
 134     {
 135       priv->audio->exists = FALSE;
 136       g_object_notify (call, "audio-stream");
 137     }
 138   else if (stream_id == priv->video->id)
 139     {
 140       priv->video->exists = FALSE;
 141       g_object_notify (call, "video-stream");
 142     }
 143 }
 144
 145 static void
 146 tp_call_stream_state_changed_cb (TpChannel *proxy,
 147                                  guint stream_id,
 148                                  guint stream_state,
 149                                  gpointer user_data,
 150                                  GObject *call)
 151 {
 152   EmpathyTpCallPriv *priv = GET_PRIV (call);
 153
 154   DEBUG ("Stream state changed - stream id: %d, state state: %d",
 155       stream_id, stream_state);
 156
 157   if (stream_id == priv->audio->id)
 158     {
 159       priv->audio->state = stream_state;
 160       g_object_notify (call, "audio-stream");
 161     }
 162   else if (stream_id == priv->video->id)
 163     {
 164       priv->video->state = stream_state;
 165       g_object_notify (call, "video-stream");
 166     }
 167 }
 168
 169 static void
 170 tp_call_stream_direction_changed_cb (TpChannel *channel,
 171                                      guint stream_id,
 172                                      guint stream_direction,
 173                                      guint pending_flags,
 174                                      gpointer user_data,
 175                                      GObject *call)
 176 {
 177   EmpathyTpCallPriv *priv = GET_PRIV (call);
 178
 179   DEBUG ("Stream direction changed - stream: %d, direction: %d",
 180       stream_id, stream_direction);
 181
 182   if (stream_id == priv->audio->id)
 183     {
 184       priv->audio->direction = stream_direction;
 185       g_object_notify (call, "audio-stream");
 186     }
 187   else if (stream_id == priv->video->id)
 188     {
 189       priv->video->direction = stream_direction;
 190       g_object_notify (call, "video-stream");
 191     }
 192 }
 193
 194 static void
 195 tp_call_request_streams_cb (TpChannel *channel,
 196                             const GPtrArray *streams,
 197                             const GError *error,
 198                             gpointer user_data,
 199                             GObject *call)
 200 {
 201   guint i;
 202
 203   if (error)
 204     {
 205       DEBUG ("Error requesting streams: %s", error->message);
 206       return;
 207     }
 208
 209   for (i = 0; i < streams->len; i++)
 210     {
 211       GValueArray *values;
 212       guint stream_id;
 213       guint contact_handle;
 214       guint stream_type;
 215       guint stream_state;
 216       guint stream_direction;
 217
 218       values = g_ptr_array_index (streams, i);
 219       stream_id = g_value_get_uint (g_value_array_get_nth (values, 0));
 220       contact_handle = g_value_get_uint (g_value_array_get_nth (values, 1));
 221       stream_type = g_value_get_uint (g_value_array_get_nth (values, 2));
 222       stream_state = g_value_get_uint (g_value_array_get_nth (values, 3));
 223       stream_direction = g_value_get_uint (g_value_array_get_nth (values, 4));
 224
 225       tp_call_add_stream (EMPATHY_TP_CALL (call), stream_id, contact_handle,
 226           stream_type, stream_state, stream_direction);
 227   }
 228 }
 229
 230 static void
 231 tp_call_request_streams_for_capabilities (EmpathyTpCall *call,
 232                                           EmpathyCapabilities capabilities)
 233 {
 234   EmpathyTpCallPriv *priv = GET_PRIV (call);
 235   GArray *stream_types;
 236   guint handle;
 237   guint stream_type;
 238
 239   if (capabilities == EMPATHY_CAPABILITIES_UNKNOWN)
 240       capabilities = EMPATHY_CAPABILITIES_AUDIO | EMPATHY_CAPABILITIES_VIDEO;
 241
 242   DEBUG ("Requesting new stream for capabilities %d",
 243       capabilities);
 244
 245   stream_types = g_array_new (FALSE, FALSE, sizeof (guint));
 246   handle = empathy_contact_get_handle (priv->contact);
 247
 248   if (capabilities & EMPATHY_CAPABILITIES_AUDIO)
 249     {
 250       stream_type = TP_MEDIA_STREAM_TYPE_AUDIO;
 251       g_array_append_val (stream_types, stream_type);
 252     }
 253   if (capabilities & EMPATHY_CAPABILITIES_VIDEO)
 254     {
 255       stream_type = TP_MEDIA_STREAM_TYPE_VIDEO;
 256       g_array_append_val (stream_types, stream_type);
 257     }
 258
 259   tp_cli_channel_type_streamed_media_call_request_streams (priv->channel, -1,
 260       handle, stream_types, tp_call_request_streams_cb, NULL, NULL,
 261       G_OBJECT (call));
 262
 263   g_array_free (stream_types, TRUE);
 264 }
 265
 266 static void
 267 tp_call_member_added_cb (EmpathyTpGroup *group,
 268                          EmpathyContact *contact,
 269                          EmpathyContact *actor,
 270                          guint reason,
 271                          const gchar *message,
 272                          EmpathyTpCall *call)
 273 {
 274   EmpathyTpCallPriv *priv = GET_PRIV (call);
 275
 276   g_object_ref (call);
 277   if (!priv->contact && !empathy_contact_is_user (contact))
 278     {
 279       priv->contact = g_object_ref (contact);
 280       priv->is_incoming = TRUE;
 281       priv->status = EMPATHY_TP_CALL_STATUS_PENDING;
 282       g_object_notify (G_OBJECT (call), "is-incoming");
 283       g_object_notify (G_OBJECT (call), "contact");
 284       g_object_notify (G_OBJECT (call), "status");
 285     }
 286
 287   if (priv->status == EMPATHY_TP_CALL_STATUS_PENDING &&
 288       ((priv->is_incoming && contact != priv->contact) ||
 289        (!priv->is_incoming && contact == priv->contact)))
 290     {
 291       priv->status = EMPATHY_TP_CALL_STATUS_ACCEPTED;
 292       g_object_notify (G_OBJECT (call), "status");
 293     }
 294   g_object_unref (call);
 295 }
 296
 297 static void
 298 tp_call_remote_pending_cb (EmpathyTpGroup *group,
 299                            EmpathyContact *contact,
 300                            EmpathyContact *actor,
 301                            guint reason,
 302                            const gchar *message,
 303                            EmpathyTpCall *call)
 304 {
 305   EmpathyTpCallPriv *priv = GET_PRIV (call);
 306
 307   g_object_ref (call);
 308   if (!priv->contact && !empathy_contact_is_user (contact))
 309     {
 310       priv->contact = g_object_ref (contact);
 311       priv->is_incoming = FALSE;
 312       priv->status = EMPATHY_TP_CALL_STATUS_PENDING;
 313       g_object_notify (G_OBJECT (call), "is-incoming");
 314       g_object_notify (G_OBJECT (call), "contact");
 315       g_object_notify (G_OBJECT (call), "status");
 316       tp_call_request_streams_for_capabilities (call,
 317           EMPATHY_CAPABILITIES_AUDIO);
 318     }
 319   g_object_unref (call);
 320 }
 321
 322 static void
 323 tp_call_channel_invalidated_cb (TpChannel     *channel,
 324                                 GQuark         domain,
 325                                 gint           code,
 326                                 gchar         *message,
 327                                 EmpathyTpCall *call)
 328 {
 329   EmpathyTpCallPriv *priv = GET_PRIV (call);
 330
 331   DEBUG ("Channel invalidated: %s", message);
 332   priv->status = EMPATHY_TP_CALL_STATUS_CLOSED;
 333   g_object_notify (G_OBJECT (call), "status");
 334 }
 335
 336 static void
 337 tp_call_async_cb (TpProxy *proxy,
 338                   const GError *error,
 339                   gpointer user_data,
 340                   GObject *call)
 341 {
 342   if (error)
 343       DEBUG ("Error %s: %s", (gchar*) user_data, error->message);
 344 }
 345
 346 static void
 347 tp_call_close_channel (EmpathyTpCall *call)
 348 {
 349   EmpathyTpCallPriv *priv = GET_PRIV (call);
 350
 351   if (priv->status == EMPATHY_TP_CALL_STATUS_CLOSED)
 352       return;
 353
 354   DEBUG ("Closing channel");
 355
 356   tp_cli_channel_call_close (priv->channel, -1,
 357       NULL, NULL, NULL, NULL);
 358
 359   priv->status = EMPATHY_TP_CALL_STATUS_CLOSED;
 360   g_object_notify (G_OBJECT (call), "status");
 361 }
 362
 363 static void
 364 tp_call_stream_engine_invalidated_cb (TpProxy       *stream_engine,
 365                                       GQuark         domain,
 366                                       gint           code,
 367                                       gchar         *message,
 368                                       EmpathyTpCall *call)
 369 {
 370   DEBUG ("Stream engine proxy invalidated: %s", message);
 371   tp_call_close_channel (call);
 372 }
 373
 374 static void
 375 tp_call_stream_engine_watch_name_owner_cb (TpDBusDaemon *daemon,
 376                                            const gchar *name,
 377                                            const gchar *new_owner,
 378                                            gpointer call)
 379 {
 380   EmpathyTpCallPriv *priv = GET_PRIV (call);
 381
 382   /* G_STR_EMPTY(new_owner) means either stream-engine has not started yet or
 383    * has crashed. We want to close the channel if stream-engine has crashed.
 384    * */
 385   DEBUG ("Watch SE: name='%s' SE running='%s' new_owner='%s'",
 386       name, priv->stream_engine_running ? "yes" : "no",
 387       new_owner ? new_owner : "none");
 388   if (priv->stream_engine_running && G_STR_EMPTY (new_owner))
 389     {
 390       DEBUG ("Stream engine falled off the bus");
 391       tp_call_close_channel (call);
 392       return;
 393     }
 394
 395   priv->stream_engine_running = !G_STR_EMPTY (new_owner);
 396 }
 397
 398 static void
 399 tp_call_stream_engine_handle_channel (EmpathyTpCall *call)
 400 {
 401   EmpathyTpCallPriv *priv = GET_PRIV (call);
 402   gchar *channel_type;
 403   gchar *object_path;
 404   guint handle_type;
 405   guint handle;
 406   TpProxy *connection;
 407
 408   DEBUG ("Revving up the stream engine");
 409
 410   priv->stream_engine = g_object_new (TP_TYPE_PROXY,
 411       "bus-name", STREAM_ENGINE_BUS_NAME,
 412       "dbus-connection", tp_get_bus (),
 413       "object-path", STREAM_ENGINE_OBJECT_PATH,
 414        NULL);
 415   tp_proxy_add_interface_by_id (priv->stream_engine,
 416       EMP_IFACE_QUARK_STREAM_ENGINE);
 417   tp_proxy_add_interface_by_id (priv->stream_engine,
 418       EMP_IFACE_QUARK_CHANNEL_HANDLER);
 419
 420   g_signal_connect (priv->stream_engine, "invalidated",
 421       G_CALLBACK (tp_call_stream_engine_invalidated_cb),
 422       call);
 423
 424   /* FIXME: dbus daemon should be unique */
 425   priv->dbus_daemon = tp_dbus_daemon_new (tp_get_bus ());
 426   tp_dbus_daemon_watch_name_owner (priv->dbus_daemon, STREAM_ENGINE_BUS_NAME,
 427       tp_call_stream_engine_watch_name_owner_cb,
 428       call, NULL);
 429
 430   g_object_get (priv->channel,
 431       "connection", &connection,
 432       "channel-type", &channel_type,
 433       "object-path", &object_path,
 434       "handle_type", &handle_type,
 435       "handle", &handle,
 436       NULL);
 437
 438   emp_cli_channel_handler_call_handle_channel (priv->stream_engine, -1,
 439         connection->bus_name,
 440         connection->object_path,
 441         channel_type, object_path, handle_type, handle,
 442         tp_call_async_cb, "calling handle channel", NULL,
 443         G_OBJECT (call));
 444
 445   g_object_unref (connection);
 446   g_free (channel_type);
 447   g_free (object_path);
 448 }
 449
 450 static GObject *
 451 tp_call_constructor (GType type,
 452                      guint n_construct_params,
 453                      GObjectConstructParam *construct_params)
 454 {
 455   GObject *object;
 456   EmpathyTpCall *call;
 457   EmpathyTpCallPriv *priv;
 458
 459   object = G_OBJECT_CLASS (empathy_tp_call_parent_class)->constructor (type,
 460       n_construct_params, construct_params);
 461
 462   call = EMPATHY_TP_CALL (object);
 463   priv = GET_PRIV (call);
 464
 465   /* Setup streamed media channel */
 466   g_signal_connect (priv->channel, "invalidated",
 467       G_CALLBACK (tp_call_channel_invalidated_cb), call);
 468   tp_cli_channel_type_streamed_media_connect_to_stream_added (priv->channel,
 469       tp_call_stream_added_cb, NULL, NULL, G_OBJECT (call), NULL);
 470   tp_cli_channel_type_streamed_media_connect_to_stream_removed (priv->channel,
 471       tp_call_stream_removed_cb, NULL, NULL, G_OBJECT (call), NULL);
 472   tp_cli_channel_type_streamed_media_connect_to_stream_state_changed (priv->channel,
 473       tp_call_stream_state_changed_cb, NULL, NULL, G_OBJECT (call), NULL);
 474   tp_cli_channel_type_streamed_media_connect_to_stream_direction_changed (priv->channel,
 475       tp_call_stream_direction_changed_cb, NULL, NULL, G_OBJECT (call), NULL);
 476   tp_cli_channel_type_streamed_media_call_list_streams (priv->channel, -1,
 477       tp_call_request_streams_cb, NULL, NULL, G_OBJECT (call));
 478
 479   /* Setup group interface */
 480   priv->group = empathy_tp_group_new (priv->channel);
 481
 482   g_signal_connect (priv->group, "member-added",
 483       G_CALLBACK (tp_call_member_added_cb), call);
 484   g_signal_connect (priv->group, "remote-pending",
 485       G_CALLBACK (tp_call_remote_pending_cb), call);
 486
 487   /* Start stream engine */
 488   tp_call_stream_engine_handle_channel (call);
 489
 490   return object;
 491 }
 492
 493 static void
 494 tp_call_finalize (GObject *object)
 495 {
 496   EmpathyTpCallPriv *priv = GET_PRIV (object);
 497
 498   DEBUG ("Finalizing: %p", object);
 499
 500   g_slice_free (EmpathyTpCallStream, priv->audio);
 501   g_slice_free (EmpathyTpCallStream, priv->video);
 502   g_object_unref (priv->group);
 503
 504   if (priv->channel != NULL)
 505     {
 506       g_signal_handlers_disconnect_by_func (priv->channel,
 507           tp_call_channel_invalidated_cb, object);
 508       tp_call_close_channel (EMPATHY_TP_CALL (object));
 509       g_object_unref (priv->channel);
 510     }
 511
 512   if (priv->stream_engine != NULL)
 513     {
 514       g_signal_handlers_disconnect_by_func (priv->stream_engine,
 515           tp_call_stream_engine_invalidated_cb, object);
 516       g_object_unref (priv->stream_engine);
 517     }
 518
 519   if (priv->contact != NULL)
 520       g_object_unref (priv->contact);
 521
 522   if (priv->dbus_daemon != NULL)
 523     {
 524       tp_dbus_daemon_cancel_name_owner_watch (priv->dbus_daemon,
 525           STREAM_ENGINE_BUS_NAME,
 526           tp_call_stream_engine_watch_name_owner_cb,
 527           object);
 528       g_object_unref (priv->dbus_daemon);
 529     }
 530
 531   (G_OBJECT_CLASS (empathy_tp_call_parent_class)->finalize) (object);
 532 }
 533
 534 static void
 535 tp_call_set_property (GObject *object,
 536                       guint prop_id,
 537                       const GValue *value,
 538                       GParamSpec *pspec)
 539 {
 540   EmpathyTpCallPriv *priv = GET_PRIV (object);
 541
 542   switch (prop_id)
 543     {
 544     case PROP_CHANNEL:
 545       priv->channel = g_value_dup_object (value);
 546       break;
 547     default:
 548       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 549       break;
 550   }
 551 }
 552
 553 static void
 554 tp_call_get_property (GObject *object,
 555                       guint prop_id,
 556                       GValue *value,
 557                       GParamSpec *pspec)
 558 {
 559   EmpathyTpCallPriv *priv = GET_PRIV (object);
 560
 561   switch (prop_id)
 562     {
 563     case PROP_CHANNEL:
 564       g_value_set_object (value, priv->channel);
 565       break;
 566     case PROP_CONTACT:
 567       g_value_set_object (value, priv->contact);
 568       break;
 569     case PROP_IS_INCOMING:
 570       g_value_set_boolean (value, priv->is_incoming);
 571       break;
 572     case PROP_STATUS:
 573       g_value_set_uint (value, priv->status);
 574       break;
 575     case PROP_AUDIO_STREAM:
 576       g_value_set_pointer (value, priv->audio);
 577       break;
 578     case PROP_VIDEO_STREAM:
 579       g_value_set_pointer (value, priv->video);
 580       break;
 581     default:
 582       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 583       break;
 584   }
 585 }
 586
 587 static void
 588 empathy_tp_call_class_init (EmpathyTpCallClass *klass)
 589 {
 590   GObjectClass *object_class = G_OBJECT_CLASS (klass);
 591
 592   object_class->constructor = tp_call_constructor;
 593   object_class->finalize = tp_call_finalize;
 594   object_class->set_property = tp_call_set_property;
 595   object_class->get_property = tp_call_get_property;
 596
 597   g_type_class_add_private (klass, sizeof (EmpathyTpCallPriv));
 598
 599   g_object_class_install_property (object_class, PROP_CHANNEL,
 600       g_param_spec_object ("channel", "channel", "channel",
 601       TP_TYPE_CHANNEL,
 602       G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE |
 603       G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
 604   g_object_class_install_property (object_class, PROP_CONTACT,
 605       g_param_spec_object ("contact", "Call contact", "Call contact",
 606       EMPATHY_TYPE_CONTACT,
 607       G_PARAM_READABLE | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
 608   g_object_class_install_property (object_class, PROP_IS_INCOMING,
 609       g_param_spec_boolean ("is-incoming", "Is media stream incoming",
 610       "Is media stream incoming", FALSE, G_PARAM_READABLE |
 611       G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
 612   g_object_class_install_property (object_class, PROP_STATUS,
 613       g_param_spec_uint ("status", "Call status",
 614       "Call status", 0, 255, 0, G_PARAM_READABLE | G_PARAM_STATIC_NICK |
 615       G_PARAM_STATIC_BLURB));
 616   g_object_class_install_property (object_class, PROP_AUDIO_STREAM,
 617       g_param_spec_pointer ("audio-stream", "Audio stream data",
 618       "Audio stream data",
 619       G_PARAM_READABLE | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
 620   g_object_class_install_property (object_class, PROP_VIDEO_STREAM,
 621       g_param_spec_pointer ("video-stream", "Video stream data",
 622       "Video stream data",
 623       G_PARAM_READABLE | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
 624 }
 625
 626 static void
 627 empathy_tp_call_init (EmpathyTpCall *call)
 628 {
 629   EmpathyTpCallPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (call,
 630                 EMPATHY_TYPE_TP_CALL, EmpathyTpCallPriv);
 631
 632   call->priv = priv;
 633   priv->status = EMPATHY_TP_CALL_STATUS_READYING;
 634   priv->contact = NULL;
 635   priv->stream_engine_running = FALSE;
 636   priv->audio = g_slice_new0 (EmpathyTpCallStream);
 637   priv->video = g_slice_new0 (EmpathyTpCallStream);
 638   priv->audio->exists = FALSE;
 639   priv->video->exists = FALSE;
 640 }
 641
 642 EmpathyTpCall *
 643 empathy_tp_call_new (TpChannel *channel)
 644 {
 645   g_return_val_if_fail (TP_IS_CHANNEL (channel), NULL);
 646
 647   return g_object_new (EMPATHY_TYPE_TP_CALL,
 648       "channel", channel,
 649       NULL);
 650 }
 651
 652 void
 653 empathy_tp_call_accept_incoming_call (EmpathyTpCall *call)
 654 {
 655   EmpathyTpCallPriv *priv = GET_PRIV (call);
 656   EmpathyContact *self_contact;
 657
 658   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 659   g_return_if_fail (priv->status == EMPATHY_TP_CALL_STATUS_PENDING);
 660
 661   DEBUG ("Accepting incoming call");
 662
 663   self_contact = empathy_tp_group_get_self_contact (priv->group);
 664   empathy_tp_group_add_member (priv->group, self_contact, NULL);
 665   g_object_unref (self_contact);
 666 }
 667
 668 void
 669 empathy_tp_call_request_video_stream_direction (EmpathyTpCall *call,
 670                                                 gboolean is_sending)
 671 {
 672   EmpathyTpCallPriv *priv = GET_PRIV (call);
 673   guint new_direction;
 674
 675   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 676   g_return_if_fail (priv->status == EMPATHY_TP_CALL_STATUS_ACCEPTED);
 677
 678   DEBUG ("Requesting video stream direction - is_sending: %d", is_sending);
 679
 680   if (!priv->video->exists)
 681     {
 682       if (is_sending)
 683           tp_call_request_streams_for_capabilities (call,
 684               EMPATHY_CAPABILITIES_VIDEO);
 685       return;
 686     }
 687
 688   if (is_sending)
 689       new_direction = priv->video->direction | TP_MEDIA_STREAM_DIRECTION_SEND;
 690   else
 691       new_direction = priv->video->direction & ~TP_MEDIA_STREAM_DIRECTION_SEND;
 692
 693   tp_cli_channel_type_streamed_media_call_request_stream_direction (priv->channel,
 694       -1, priv->video->id, new_direction,
 695       (tp_cli_channel_type_streamed_media_callback_for_request_stream_direction)
 696       tp_call_async_cb, NULL, NULL, G_OBJECT (call));
 697 }
 698
 699 void
 700 empathy_tp_call_add_preview_video (EmpathyTpCall *call,
 701                                    guint preview_video_socket_id)
 702 {
 703   EmpathyTpCallPriv *priv = GET_PRIV (call);
 704
 705   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 706
 707   DEBUG ("Adding preview video");
 708
 709   emp_cli_stream_engine_call_add_preview_window (priv->stream_engine, -1,
 710       preview_video_socket_id,
 711       tp_call_async_cb,
 712       "adding preview window", NULL,
 713       G_OBJECT (call));
 714 }
 715
 716 void
 717 empathy_tp_call_remove_preview_video (EmpathyTpCall *call,
 718                                       guint preview_video_socket_id)
 719 {
 720   EmpathyTpCallPriv *priv = GET_PRIV (call);
 721
 722   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 723
 724   DEBUG ("Removing preview video");
 725
 726   emp_cli_stream_engine_call_remove_preview_window (priv->stream_engine, -1,
 727       preview_video_socket_id,
 728       tp_call_async_cb,
 729       "removing preview window", NULL,
 730       G_OBJECT (call));
 731 }
 732
 733 void
 734 empathy_tp_call_add_output_video (EmpathyTpCall *call,
 735                                   guint output_video_socket_id)
 736 {
 737   EmpathyTpCallPriv *priv = GET_PRIV (call);
 738
 739   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 740
 741   DEBUG ("Adding output video - socket: %d", output_video_socket_id);
 742
 743   emp_cli_stream_engine_call_set_output_window (priv->stream_engine, -1,
 744       TP_PROXY (priv->channel)->object_path,
 745       priv->video->id, output_video_socket_id,
 746       tp_call_async_cb,
 747       "setting output window", NULL,
 748       G_OBJECT (call));
 749 }
 750
 751 void
 752 empathy_tp_call_set_output_volume (EmpathyTpCall *call,
 753                                    guint volume)
 754 {
 755   EmpathyTpCallPriv *priv = GET_PRIV (call);
 756
 757   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 758   g_return_if_fail (priv->status != EMPATHY_TP_CALL_STATUS_CLOSED);
 759
 760   DEBUG ("Setting output volume: %d", volume);
 761
 762   emp_cli_stream_engine_call_set_output_volume (priv->stream_engine, -1,
 763       TP_PROXY (priv->channel)->object_path,
 764       priv->audio->id, volume,
 765       tp_call_async_cb,
 766       "setting output volume", NULL,
 767       G_OBJECT (call));
 768 }
 769
 770 void
 771 empathy_tp_call_mute_output (EmpathyTpCall *call,
 772                              gboolean is_muted)
 773 {
 774   EmpathyTpCallPriv *priv = GET_PRIV (call);
 775
 776   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 777
 778   DEBUG ("Setting output mute: %d", is_muted);
 779
 780   emp_cli_stream_engine_call_mute_output (priv->stream_engine, -1,
 781       TP_PROXY (priv->channel)->object_path,
 782       priv->audio->id, is_muted,
 783       tp_call_async_cb,
 784       "muting output", NULL,
 785       G_OBJECT (call));
 786 }
 787
 788 void
 789 empathy_tp_call_mute_input (EmpathyTpCall *call,
 790                             gboolean is_muted)
 791 {
 792   EmpathyTpCallPriv *priv = GET_PRIV (call);
 793
 794   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 795
 796   DEBUG ("Setting input mute: %d", is_muted);
 797
 798   emp_cli_stream_engine_call_mute_input (priv->stream_engine, -1,
 799       TP_PROXY (priv->channel)->object_path,
 800       priv->audio->id, is_muted,
 801       tp_call_async_cb,
 802       "muting input", NULL,
 803       G_OBJECT (call));
 804 }
 805
 806 void
 807 empathy_tp_call_start_tone (EmpathyTpCall *call, TpDTMFEvent event)
 808 {
 809   EmpathyTpCallPriv *priv = GET_PRIV (call);
 810
 811   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 812   g_return_if_fail (priv->status == EMPATHY_TP_CALL_STATUS_ACCEPTED);
 813
 814   if (!priv->audio->exists)
 815       return;
 816
 817   tp_cli_channel_interface_dtmf_call_start_tone (priv->channel, -1,
 818       priv->audio->id, event,
 819       (tp_cli_channel_interface_dtmf_callback_for_start_tone) tp_call_async_cb,
 820       "starting tone", NULL, G_OBJECT (call));
 821 }
 822
 823 void
 824 empathy_tp_call_stop_tone (EmpathyTpCall *call)
 825 {
 826   EmpathyTpCallPriv *priv = GET_PRIV (call);
 827
 828   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 829   g_return_if_fail (priv->status == EMPATHY_TP_CALL_STATUS_ACCEPTED);
 830
 831   if (!priv->audio->exists)
 832       return;
 833
 834   tp_cli_channel_interface_dtmf_call_stop_tone (priv->channel, -1,
 835       priv->audio->id,
 836       (tp_cli_channel_interface_dtmf_callback_for_stop_tone) tp_call_async_cb,
 837       "stoping tone", NULL, G_OBJECT (call));
 838 }
 839
 840 gboolean
 841 empathy_tp_call_has_dtmf (EmpathyTpCall *call)
 842 {
 843   EmpathyTpCallPriv *priv = GET_PRIV (call);
 844
 845   g_return_val_if_fail (EMPATHY_IS_TP_CALL (call), FALSE);
 846
 847   return tp_proxy_has_interface_by_id (priv->channel,
 848       TP_IFACE_QUARK_CHANNEL_INTERFACE_DTMF);
 849 }
 850