libempathy/empathy-tp-call.c

   1 /*
   2  * Copyright (C) 2007 Elliot Fairweather
   3  * Copyright (C) 2007-2008 Collabora Ltd.
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2.1 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  18  *
  19  * Authors: Elliot Fairweather <elliot.fairweather@collabora.co.uk>
  20  *          Xavier Claessens <xclaesse@gmail.com>
  21  */
  22
  23 #include <string.h>
  24
  25 #include <telepathy-glib/proxy-subclass.h>
  26 #include <telepathy-glib/dbus.h>
  27 #include <telepathy-glib/interfaces.h>
  28
  29 #include <extensions/extensions.h>
  30
  31 #include "empathy-tp-call.h"
  32 #include "empathy-contact-factory.h"
  33 #include "empathy-utils.h"
  34
  35 #define DEBUG_FLAG EMPATHY_DEBUG_TP
  36 #include "empathy-debug.h"
  37
  38 #define STREAM_ENGINE_BUS_NAME "org.freedesktop.Telepathy.StreamEngine"
  39 #define STREAM_ENGINE_OBJECT_PATH "/org/freedesktop/Telepathy/StreamEngine"
  40
  41 #define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyTpCall)
  42 typedef struct
  43 {
  44   TpChannel *channel;
  45   TpProxy *stream_engine;
  46   TpDBusDaemon *dbus_daemon;
  47   EmpathyContact *contact;
  48   gboolean is_incoming;
  49   guint status;
  50   gboolean stream_engine_running;
  51
  52   EmpathyTpCallStream *audio;
  53   EmpathyTpCallStream *video;
  54 } EmpathyTpCallPriv;
  55
  56 enum
  57 {
  58   PROP_0,
  59   PROP_CHANNEL,
  60   PROP_CONTACT,
  61   PROP_IS_INCOMING,
  62   PROP_STATUS,
  63   PROP_AUDIO_STREAM,
  64   PROP_VIDEO_STREAM
  65 };
  66
  67 G_DEFINE_TYPE (EmpathyTpCall, empathy_tp_call, G_TYPE_OBJECT)
  68
  69 static void
  70 tp_call_add_stream (EmpathyTpCall *call,
  71                     guint stream_id,
  72                     guint contact_handle,
  73                     guint stream_type,
  74                     guint stream_state,
  75                     guint stream_direction)
  76 {
  77   EmpathyTpCallPriv *priv = GET_PRIV (call);
  78
  79   switch (stream_type)
  80     {
  81       case TP_MEDIA_STREAM_TYPE_AUDIO:
  82         DEBUG ("Audio stream - id: %d, state: %d, direction: %d",
  83             stream_id, stream_state, stream_direction);
  84         priv->audio->exists = TRUE;
  85         priv->audio->id = stream_id;
  86         priv->audio->state = stream_state;
  87         priv->audio->direction = stream_direction;
  88         g_object_notify (G_OBJECT (call), "audio-stream");
  89         break;
  90       case TP_MEDIA_STREAM_TYPE_VIDEO:
  91         DEBUG ("Video stream - id: %d, state: %d, direction: %d",
  92             stream_id, stream_state, stream_direction);
  93         priv->video->exists = TRUE;
  94         priv->video->id = stream_id;
  95         priv->video->state = stream_state;
  96         priv->video->direction = stream_direction;
  97         g_object_notify (G_OBJECT (call), "video-stream");
  98         break;
  99       default:
 100         DEBUG ("Unknown stream type: %d", stream_type);
 101     }
 102 }
 103
 104 static void
 105 tp_call_stream_added_cb (TpChannel *channel,
 106                          guint stream_id,
 107                          guint contact_handle,
 108                          guint stream_type,
 109                          gpointer user_data,
 110                          GObject *call)
 111 {
 112   DEBUG ("Stream added - stream id: %d, contact handle: %d, stream type: %d",
 113       stream_id, contact_handle, stream_type);
 114
 115   tp_call_add_stream (EMPATHY_TP_CALL (call), stream_id, contact_handle,
 116       stream_type, TP_MEDIA_STREAM_STATE_DISCONNECTED,
 117       TP_MEDIA_STREAM_DIRECTION_NONE);
 118 }
 119
 120 static void
 121 tp_call_stream_removed_cb (TpChannel *channel,
 122                            guint stream_id,
 123                            gpointer user_data,
 124                            GObject *call)
 125 {
 126   EmpathyTpCallPriv *priv = GET_PRIV (call);
 127
 128   DEBUG ("Stream removed - stream id: %d", stream_id);
 129
 130   if (stream_id == priv->audio->id)
 131     {
 132       priv->audio->exists = FALSE;
 133       g_object_notify (call, "audio-stream");
 134     }
 135   else if (stream_id == priv->video->id)
 136     {
 137       priv->video->exists = FALSE;
 138       g_object_notify (call, "video-stream");
 139     }
 140 }
 141
 142 static void
 143 tp_call_stream_state_changed_cb (TpChannel *proxy,
 144                                  guint stream_id,
 145                                  guint stream_state,
 146                                  gpointer user_data,
 147                                  GObject *call)
 148 {
 149   EmpathyTpCallPriv *priv = GET_PRIV (call);
 150
 151   DEBUG ("Stream state changed - stream id: %d, state state: %d",
 152       stream_id, stream_state);
 153
 154   if (stream_id == priv->audio->id)
 155     {
 156       priv->audio->state = stream_state;
 157       g_object_notify (call, "audio-stream");
 158     }
 159   else if (stream_id == priv->video->id)
 160     {
 161       priv->video->state = stream_state;
 162       g_object_notify (call, "video-stream");
 163     }
 164 }
 165
 166 static void
 167 tp_call_stream_direction_changed_cb (TpChannel *channel,
 168                                      guint stream_id,
 169                                      guint stream_direction,
 170                                      guint pending_flags,
 171                                      gpointer user_data,
 172                                      GObject *call)
 173 {
 174   EmpathyTpCallPriv *priv = GET_PRIV (call);
 175
 176   DEBUG ("Stream direction changed - stream: %d, direction: %d",
 177       stream_id, stream_direction);
 178
 179   if (stream_id == priv->audio->id)
 180     {
 181       priv->audio->direction = stream_direction;
 182       g_object_notify (call, "audio-stream");
 183     }
 184   else if (stream_id == priv->video->id)
 185     {
 186       priv->video->direction = stream_direction;
 187       g_object_notify (call, "video-stream");
 188     }
 189 }
 190
 191 static void
 192 tp_call_request_streams_cb (TpChannel *channel,
 193                             const GPtrArray *streams,
 194                             const GError *error,
 195                             gpointer user_data,
 196                             GObject *call)
 197 {
 198   guint i;
 199
 200   if (error)
 201     {
 202       DEBUG ("Error requesting streams: %s", error->message);
 203       return;
 204     }
 205
 206   for (i = 0; i < streams->len; i++)
 207     {
 208       GValueArray *values;
 209       guint stream_id;
 210       guint contact_handle;
 211       guint stream_type;
 212       guint stream_state;
 213       guint stream_direction;
 214
 215       values = g_ptr_array_index (streams, i);
 216       stream_id = g_value_get_uint (g_value_array_get_nth (values, 0));
 217       contact_handle = g_value_get_uint (g_value_array_get_nth (values, 1));
 218       stream_type = g_value_get_uint (g_value_array_get_nth (values, 2));
 219       stream_state = g_value_get_uint (g_value_array_get_nth (values, 3));
 220       stream_direction = g_value_get_uint (g_value_array_get_nth (values, 4));
 221
 222       tp_call_add_stream (EMPATHY_TP_CALL (call), stream_id, contact_handle,
 223           stream_type, stream_state, stream_direction);
 224   }
 225 }
 226
 227 static void
 228 tp_call_request_streams_for_capabilities (EmpathyTpCall *call,
 229                                           EmpathyCapabilities capabilities)
 230 {
 231   EmpathyTpCallPriv *priv = GET_PRIV (call);
 232   GArray *stream_types;
 233   guint handle;
 234   guint stream_type;
 235
 236   if (capabilities == EMPATHY_CAPABILITIES_UNKNOWN)
 237       capabilities = EMPATHY_CAPABILITIES_AUDIO | EMPATHY_CAPABILITIES_VIDEO;
 238
 239   DEBUG ("Requesting new stream for capabilities %d",
 240       capabilities);
 241
 242   stream_types = g_array_new (FALSE, FALSE, sizeof (guint));
 243   handle = empathy_contact_get_handle (priv->contact);
 244
 245   if (capabilities & EMPATHY_CAPABILITIES_AUDIO)
 246     {
 247       stream_type = TP_MEDIA_STREAM_TYPE_AUDIO;
 248       g_array_append_val (stream_types, stream_type);
 249     }
 250   if (capabilities & EMPATHY_CAPABILITIES_VIDEO)
 251     {
 252       stream_type = TP_MEDIA_STREAM_TYPE_VIDEO;
 253       g_array_append_val (stream_types, stream_type);
 254     }
 255
 256   tp_cli_channel_type_streamed_media_call_request_streams (priv->channel, -1,
 257       handle, stream_types, tp_call_request_streams_cb, NULL, NULL,
 258       G_OBJECT (call));
 259
 260   g_array_free (stream_types, TRUE);
 261 }
 262
 263 static EmpathyContact *
 264 tp_call_dup_contact_from_handle (EmpathyTpCall *call, TpHandle handle)
 265 {
 266   EmpathyTpCallPriv *priv = GET_PRIV (call);
 267   EmpathyContactFactory *factory;
 268   McAccount *account;
 269   EmpathyContact *contact;
 270
 271   factory = empathy_contact_factory_dup_singleton ();
 272   account = empathy_channel_get_account (priv->channel);
 273   contact = empathy_contact_factory_get_from_handle (factory, account, handle);
 274
 275   g_object_unref (factory);
 276   g_object_unref (account);
 277
 278   return contact;
 279 }
 280
 281 static void
 282 tp_call_update_status (EmpathyTpCall *call)
 283 {
 284   EmpathyTpCallPriv *priv = GET_PRIV (call);
 285   TpHandle self_handle;
 286   const TpIntSet *set;
 287   TpIntSetIter iter;
 288
 289   g_object_ref (call);
 290
 291   self_handle = tp_channel_group_get_self_handle (priv->channel);
 292   set = tp_channel_group_get_members (priv->channel);
 293   tp_intset_iter_init (&iter, set);
 294   while (tp_intset_iter_next (&iter))
 295     {
 296       if (priv->contact == NULL && iter.element != self_handle)
 297         {
 298           /* We found the remote contact */
 299           priv->contact = tp_call_dup_contact_from_handle (call, iter.element);
 300           priv->is_incoming = TRUE;
 301           priv->status = EMPATHY_TP_CALL_STATUS_PENDING;
 302           g_object_notify (G_OBJECT (call), "is-incoming");
 303           g_object_notify (G_OBJECT (call), "contact");
 304           g_object_notify (G_OBJECT (call), "status");
 305         }
 306
 307       if (priv->status == EMPATHY_TP_CALL_STATUS_PENDING &&
 308           ((priv->is_incoming && iter.element == self_handle) ||
 309            (!priv->is_incoming && iter.element != self_handle)))
 310         {
 311           priv->status = EMPATHY_TP_CALL_STATUS_ACCEPTED;
 312           g_object_notify (G_OBJECT (call), "status");
 313         }
 314     }
 315
 316   g_object_unref (call);
 317 }
 318
 319 static void
 320 tp_call_members_changed_cb (TpChannel *channel,
 321                             gchar *message,
 322                             GArray *added,
 323                             GArray *removed,
 324                             GArray *local_pending,
 325                             GArray *remote_pending,
 326                             guint actor,
 327                             guint reason,
 328                             EmpathyTpCall *call)
 329 {
 330   tp_call_update_status (call);
 331 }
 332
 333 void
 334 empathy_tp_call_to (EmpathyTpCall *call, EmpathyContact *contact)
 335 {
 336   EmpathyTpCallPriv *priv = GET_PRIV (call);
 337
 338   priv->contact = g_object_ref (contact);
 339   priv->is_incoming = FALSE;
 340   priv->status = EMPATHY_TP_CALL_STATUS_PENDING;
 341   g_object_notify (G_OBJECT (call), "is-incoming");
 342   g_object_notify (G_OBJECT (call), "contact");
 343   g_object_notify (G_OBJECT (call), "status");
 344   tp_call_request_streams_for_capabilities (call,
 345      EMPATHY_CAPABILITIES_AUDIO);
 346 }
 347
 348 static void
 349 tp_call_channel_invalidated_cb (TpChannel     *channel,
 350                                 GQuark         domain,
 351                                 gint           code,
 352                                 gchar         *message,
 353                                 EmpathyTpCall *call)
 354 {
 355   EmpathyTpCallPriv *priv = GET_PRIV (call);
 356
 357   DEBUG ("Channel invalidated: %s", message);
 358   priv->status = EMPATHY_TP_CALL_STATUS_CLOSED;
 359   g_object_notify (G_OBJECT (call), "status");
 360 }
 361
 362 static void
 363 tp_call_async_cb (TpProxy *proxy,
 364                   const GError *error,
 365                   gpointer user_data,
 366                   GObject *call)
 367 {
 368   if (error)
 369       DEBUG ("Error %s: %s", (gchar*) user_data, error->message);
 370 }
 371
 372 static void
 373 tp_call_close_channel (EmpathyTpCall *call)
 374 {
 375   EmpathyTpCallPriv *priv = GET_PRIV (call);
 376
 377   if (priv->status == EMPATHY_TP_CALL_STATUS_CLOSED)
 378       return;
 379
 380   DEBUG ("Closing channel");
 381
 382   tp_cli_channel_call_close (priv->channel, -1,
 383       NULL, NULL, NULL, NULL);
 384
 385   priv->status = EMPATHY_TP_CALL_STATUS_CLOSED;
 386   g_object_notify (G_OBJECT (call), "status");
 387 }
 388
 389 static void
 390 tp_call_stream_engine_invalidated_cb (TpProxy       *stream_engine,
 391                                       GQuark         domain,
 392                                       gint           code,
 393                                       gchar         *message,
 394                                       EmpathyTpCall *call)
 395 {
 396   DEBUG ("Stream engine proxy invalidated: %s", message);
 397   tp_call_close_channel (call);
 398 }
 399
 400 static void
 401 tp_call_stream_engine_watch_name_owner_cb (TpDBusDaemon *daemon,
 402                                            const gchar *name,
 403                                            const gchar *new_owner,
 404                                            gpointer call)
 405 {
 406   EmpathyTpCallPriv *priv = GET_PRIV (call);
 407
 408   /* G_STR_EMPTY(new_owner) means either stream-engine has not started yet or
 409    * has crashed. We want to close the channel if stream-engine has crashed.
 410    * */
 411   DEBUG ("Watch SE: name='%s' SE running='%s' new_owner='%s'",
 412       name, priv->stream_engine_running ? "yes" : "no",
 413       new_owner ? new_owner : "none");
 414   if (priv->stream_engine_running && G_STR_EMPTY (new_owner))
 415     {
 416       DEBUG ("Stream engine falled off the bus");
 417       tp_call_close_channel (call);
 418       return;
 419     }
 420
 421   priv->stream_engine_running = !G_STR_EMPTY (new_owner);
 422 }
 423
 424 static void
 425 tp_call_stream_engine_handle_channel (EmpathyTpCall *call)
 426 {
 427   EmpathyTpCallPriv *priv = GET_PRIV (call);
 428   gchar *channel_type;
 429   gchar *object_path;
 430   guint handle_type;
 431   guint handle;
 432   TpProxy *connection;
 433
 434   DEBUG ("Revving up the stream engine");
 435
 436   priv->stream_engine = g_object_new (TP_TYPE_PROXY,
 437       "bus-name", STREAM_ENGINE_BUS_NAME,
 438       "dbus-connection", tp_get_bus (),
 439       "object-path", STREAM_ENGINE_OBJECT_PATH,
 440        NULL);
 441   tp_proxy_add_interface_by_id (priv->stream_engine,
 442       EMP_IFACE_QUARK_STREAM_ENGINE);
 443   tp_proxy_add_interface_by_id (priv->stream_engine,
 444       EMP_IFACE_QUARK_CHANNEL_HANDLER);
 445
 446   g_signal_connect (priv->stream_engine, "invalidated",
 447       G_CALLBACK (tp_call_stream_engine_invalidated_cb),
 448       call);
 449
 450   /* FIXME: dbus daemon should be unique */
 451   priv->dbus_daemon = tp_dbus_daemon_new (tp_get_bus ());
 452   tp_dbus_daemon_watch_name_owner (priv->dbus_daemon, STREAM_ENGINE_BUS_NAME,
 453       tp_call_stream_engine_watch_name_owner_cb,
 454       call, NULL);
 455
 456   g_object_get (priv->channel,
 457       "connection", &connection,
 458       "channel-type", &channel_type,
 459       "object-path", &object_path,
 460       "handle_type", &handle_type,
 461       "handle", &handle,
 462       NULL);
 463
 464   emp_cli_channel_handler_call_handle_channel (priv->stream_engine, -1,
 465         connection->bus_name,
 466         connection->object_path,
 467         channel_type, object_path, handle_type, handle,
 468         tp_call_async_cb, "calling handle channel", NULL,
 469         G_OBJECT (call));
 470
 471   g_object_unref (connection);
 472   g_free (channel_type);
 473   g_free (object_path);
 474 }
 475
 476 static GObject *
 477 tp_call_constructor (GType type,
 478                      guint n_construct_params,
 479                      GObjectConstructParam *construct_params)
 480 {
 481   GObject *object;
 482   EmpathyTpCall *call;
 483   EmpathyTpCallPriv *priv;
 484
 485   object = G_OBJECT_CLASS (empathy_tp_call_parent_class)->constructor (type,
 486       n_construct_params, construct_params);
 487
 488   call = EMPATHY_TP_CALL (object);
 489   priv = GET_PRIV (call);
 490
 491   /* Setup streamed media channel */
 492   g_signal_connect (priv->channel, "invalidated",
 493       G_CALLBACK (tp_call_channel_invalidated_cb), call);
 494   tp_cli_channel_type_streamed_media_connect_to_stream_added (priv->channel,
 495       tp_call_stream_added_cb, NULL, NULL, G_OBJECT (call), NULL);
 496   tp_cli_channel_type_streamed_media_connect_to_stream_removed (priv->channel,
 497       tp_call_stream_removed_cb, NULL, NULL, G_OBJECT (call), NULL);
 498   tp_cli_channel_type_streamed_media_connect_to_stream_state_changed (priv->channel,
 499       tp_call_stream_state_changed_cb, NULL, NULL, G_OBJECT (call), NULL);
 500   tp_cli_channel_type_streamed_media_connect_to_stream_direction_changed (priv->channel,
 501       tp_call_stream_direction_changed_cb, NULL, NULL, G_OBJECT (call), NULL);
 502   tp_cli_channel_type_streamed_media_call_list_streams (priv->channel, -1,
 503       tp_call_request_streams_cb, NULL, NULL, G_OBJECT (call));
 504
 505   /* Update status when members changes */
 506   tp_call_update_status (call);
 507   g_signal_connect (priv->channel, "group-members-changed",
 508       G_CALLBACK (tp_call_members_changed_cb), call);
 509
 510   /* Start stream engine */
 511   tp_call_stream_engine_handle_channel (call);
 512
 513   return object;
 514 }
 515
 516 static void
 517 tp_call_finalize (GObject *object)
 518 {
 519   EmpathyTpCallPriv *priv = GET_PRIV (object);
 520
 521   DEBUG ("Finalizing: %p", object);
 522
 523   g_slice_free (EmpathyTpCallStream, priv->audio);
 524   g_slice_free (EmpathyTpCallStream, priv->video);
 525
 526   if (priv->channel != NULL)
 527     {
 528       g_signal_handlers_disconnect_by_func (priv->channel,
 529         tp_call_channel_invalidated_cb, object);
 530
 531       g_object_unref (priv->channel);
 532       priv->channel = NULL;
 533     }
 534
 535   if (priv->stream_engine != NULL)
 536     {
 537       g_signal_handlers_disconnect_by_func (priv->stream_engine,
 538           tp_call_stream_engine_invalidated_cb, object);
 539       g_object_unref (priv->stream_engine);
 540     }
 541
 542   if (priv->contact != NULL)
 543       g_object_unref (priv->contact);
 544
 545   if (priv->dbus_daemon != NULL)
 546     {
 547       tp_dbus_daemon_cancel_name_owner_watch (priv->dbus_daemon,
 548           STREAM_ENGINE_BUS_NAME,
 549           tp_call_stream_engine_watch_name_owner_cb,
 550           object);
 551       g_object_unref (priv->dbus_daemon);
 552     }
 553
 554   (G_OBJECT_CLASS (empathy_tp_call_parent_class)->finalize) (object);
 555 }
 556
 557 static void
 558 tp_call_set_property (GObject *object,
 559                       guint prop_id,
 560                       const GValue *value,
 561                       GParamSpec *pspec)
 562 {
 563   EmpathyTpCallPriv *priv = GET_PRIV (object);
 564
 565   switch (prop_id)
 566     {
 567     case PROP_CHANNEL:
 568       priv->channel = g_value_dup_object (value);
 569       break;
 570     default:
 571       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 572       break;
 573   }
 574 }
 575
 576 static void
 577 tp_call_get_property (GObject *object,
 578                       guint prop_id,
 579                       GValue *value,
 580                       GParamSpec *pspec)
 581 {
 582   EmpathyTpCallPriv *priv = GET_PRIV (object);
 583
 584   switch (prop_id)
 585     {
 586     case PROP_CHANNEL:
 587       g_value_set_object (value, priv->channel);
 588       break;
 589     case PROP_CONTACT:
 590       g_value_set_object (value, priv->contact);
 591       break;
 592     case PROP_IS_INCOMING:
 593       g_value_set_boolean (value, priv->is_incoming);
 594       break;
 595     case PROP_STATUS:
 596       g_value_set_uint (value, priv->status);
 597       break;
 598     case PROP_AUDIO_STREAM:
 599       g_value_set_pointer (value, priv->audio);
 600       break;
 601     case PROP_VIDEO_STREAM:
 602       g_value_set_pointer (value, priv->video);
 603       break;
 604     default:
 605       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 606       break;
 607   }
 608 }
 609
 610 static void
 611 empathy_tp_call_class_init (EmpathyTpCallClass *klass)
 612 {
 613   GObjectClass *object_class = G_OBJECT_CLASS (klass);
 614
 615   object_class->constructor = tp_call_constructor;
 616   object_class->finalize = tp_call_finalize;
 617   object_class->set_property = tp_call_set_property;
 618   object_class->get_property = tp_call_get_property;
 619
 620   g_type_class_add_private (klass, sizeof (EmpathyTpCallPriv));
 621
 622   g_object_class_install_property (object_class, PROP_CHANNEL,
 623       g_param_spec_object ("channel", "channel", "channel",
 624       TP_TYPE_CHANNEL,
 625       G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE |
 626       G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
 627   g_object_class_install_property (object_class, PROP_CONTACT,
 628       g_param_spec_object ("contact", "Call contact", "Call contact",
 629       EMPATHY_TYPE_CONTACT,
 630       G_PARAM_READABLE | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
 631   g_object_class_install_property (object_class, PROP_IS_INCOMING,
 632       g_param_spec_boolean ("is-incoming", "Is media stream incoming",
 633       "Is media stream incoming", FALSE, G_PARAM_READABLE |
 634       G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
 635   g_object_class_install_property (object_class, PROP_STATUS,
 636       g_param_spec_uint ("status", "Call status",
 637       "Call status", 0, 255, 0, G_PARAM_READABLE | G_PARAM_STATIC_NICK |
 638       G_PARAM_STATIC_BLURB));
 639   g_object_class_install_property (object_class, PROP_AUDIO_STREAM,
 640       g_param_spec_pointer ("audio-stream", "Audio stream data",
 641       "Audio stream data",
 642       G_PARAM_READABLE | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
 643   g_object_class_install_property (object_class, PROP_VIDEO_STREAM,
 644       g_param_spec_pointer ("video-stream", "Video stream data",
 645       "Video stream data",
 646       G_PARAM_READABLE | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
 647 }
 648
 649 static void
 650 empathy_tp_call_init (EmpathyTpCall *call)
 651 {
 652   EmpathyTpCallPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (call,
 653     EMPATHY_TYPE_TP_CALL, EmpathyTpCallPriv);
 654
 655   call->priv = priv;
 656   priv->status = EMPATHY_TP_CALL_STATUS_READYING;
 657   priv->contact = NULL;
 658   priv->stream_engine_running = FALSE;
 659   priv->audio = g_slice_new0 (EmpathyTpCallStream);
 660   priv->video = g_slice_new0 (EmpathyTpCallStream);
 661   priv->audio->exists = FALSE;
 662   priv->video->exists = FALSE;
 663 }
 664
 665 EmpathyTpCall *
 666 empathy_tp_call_new (TpChannel *channel)
 667 {
 668   g_return_val_if_fail (TP_IS_CHANNEL (channel), NULL);
 669
 670   return g_object_new (EMPATHY_TYPE_TP_CALL,
 671       "channel", channel,
 672       NULL);
 673 }
 674
 675 void
 676 empathy_tp_call_accept_incoming_call (EmpathyTpCall *call)
 677 {
 678   EmpathyTpCallPriv *priv = GET_PRIV (call);
 679   TpHandle self_handle;
 680   GArray handles = {(gchar *) &self_handle, 1};
 681
 682   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 683   g_return_if_fail (priv->status == EMPATHY_TP_CALL_STATUS_PENDING);
 684   g_return_if_fail (priv->is_incoming);
 685
 686   DEBUG ("Accepting incoming call");
 687
 688   self_handle = tp_channel_group_get_self_handle (priv->channel);
 689   tp_cli_channel_interface_group_call_add_members (priv->channel, -1,
 690       &handles, NULL, NULL, NULL, NULL, NULL);
 691 }
 692
 693 void
 694 empathy_tp_call_close (EmpathyTpCall *call)
 695 {
 696   EmpathyTpCallPriv *priv = GET_PRIV (call);
 697
 698   g_signal_handlers_disconnect_by_func (priv->channel,
 699     tp_call_channel_invalidated_cb, call);
 700
 701   tp_call_close_channel (call);
 702
 703   g_object_unref (priv->channel);
 704   priv->channel = NULL;
 705 }
 706
 707 void
 708 empathy_tp_call_request_video_stream_direction (EmpathyTpCall *call,
 709                                                 gboolean is_sending)
 710 {
 711   EmpathyTpCallPriv *priv = GET_PRIV (call);
 712   guint new_direction;
 713
 714   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 715   g_return_if_fail (priv->status == EMPATHY_TP_CALL_STATUS_ACCEPTED);
 716
 717   DEBUG ("Requesting video stream direction - is_sending: %d", is_sending);
 718
 719   if (!priv->video->exists)
 720     {
 721       if (is_sending)
 722           tp_call_request_streams_for_capabilities (call,
 723               EMPATHY_CAPABILITIES_VIDEO);
 724       return;
 725     }
 726
 727   if (is_sending)
 728       new_direction = priv->video->direction | TP_MEDIA_STREAM_DIRECTION_SEND;
 729   else
 730       new_direction = priv->video->direction & ~TP_MEDIA_STREAM_DIRECTION_SEND;
 731
 732   tp_cli_channel_type_streamed_media_call_request_stream_direction (priv->channel,
 733       -1, priv->video->id, new_direction,
 734       (tp_cli_channel_type_streamed_media_callback_for_request_stream_direction)
 735       tp_call_async_cb, NULL, NULL, G_OBJECT (call));
 736 }
 737
 738 void
 739 empathy_tp_call_add_preview_video (EmpathyTpCall *call,
 740                                    guint preview_video_socket_id)
 741 {
 742   EmpathyTpCallPriv *priv = GET_PRIV (call);
 743
 744   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 745
 746   DEBUG ("Adding preview video");
 747
 748   emp_cli_stream_engine_call_add_preview_window (priv->stream_engine, -1,
 749       preview_video_socket_id,
 750       tp_call_async_cb,
 751       "adding preview window", NULL,
 752       G_OBJECT (call));
 753 }
 754
 755 void
 756 empathy_tp_call_remove_preview_video (EmpathyTpCall *call,
 757                                       guint preview_video_socket_id)
 758 {
 759   EmpathyTpCallPriv *priv = GET_PRIV (call);
 760
 761   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 762
 763   DEBUG ("Removing preview video");
 764
 765   emp_cli_stream_engine_call_remove_preview_window (priv->stream_engine, -1,
 766       preview_video_socket_id,
 767       tp_call_async_cb,
 768       "removing preview window", NULL,
 769       G_OBJECT (call));
 770 }
 771
 772 void
 773 empathy_tp_call_add_output_video (EmpathyTpCall *call,
 774                                   guint output_video_socket_id)
 775 {
 776   EmpathyTpCallPriv *priv = GET_PRIV (call);
 777
 778   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 779
 780   DEBUG ("Adding output video - socket: %d", output_video_socket_id);
 781
 782   emp_cli_stream_engine_call_set_output_window (priv->stream_engine, -1,
 783       TP_PROXY (priv->channel)->object_path,
 784       priv->video->id, output_video_socket_id,
 785       tp_call_async_cb,
 786       "setting output window", NULL,
 787       G_OBJECT (call));
 788 }
 789
 790 void
 791 empathy_tp_call_set_output_volume (EmpathyTpCall *call,
 792                                    guint volume)
 793 {
 794   EmpathyTpCallPriv *priv = GET_PRIV (call);
 795
 796   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 797   g_return_if_fail (priv->status != EMPATHY_TP_CALL_STATUS_CLOSED);
 798
 799   DEBUG ("Setting output volume: %d", volume);
 800
 801   emp_cli_stream_engine_call_set_output_volume (priv->stream_engine, -1,
 802       TP_PROXY (priv->channel)->object_path,
 803       priv->audio->id, volume,
 804       tp_call_async_cb,
 805       "setting output volume", NULL,
 806       G_OBJECT (call));
 807 }
 808
 809 void
 810 empathy_tp_call_mute_output (EmpathyTpCall *call,
 811                              gboolean is_muted)
 812 {
 813   EmpathyTpCallPriv *priv = GET_PRIV (call);
 814
 815   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 816
 817   DEBUG ("Setting output mute: %d", is_muted);
 818
 819   emp_cli_stream_engine_call_mute_output (priv->stream_engine, -1,
 820       TP_PROXY (priv->channel)->object_path,
 821       priv->audio->id, is_muted,
 822       tp_call_async_cb,
 823       "muting output", NULL,
 824       G_OBJECT (call));
 825 }
 826
 827 void
 828 empathy_tp_call_mute_input (EmpathyTpCall *call,
 829                             gboolean is_muted)
 830 {
 831   EmpathyTpCallPriv *priv = GET_PRIV (call);
 832
 833   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 834
 835   DEBUG ("Setting input mute: %d", is_muted);
 836
 837   emp_cli_stream_engine_call_mute_input (priv->stream_engine, -1,
 838       TP_PROXY (priv->channel)->object_path,
 839       priv->audio->id, is_muted,
 840       tp_call_async_cb,
 841       "muting input", NULL,
 842       G_OBJECT (call));
 843 }
 844
 845 void
 846 empathy_tp_call_start_tone (EmpathyTpCall *call, TpDTMFEvent event)
 847 {
 848   EmpathyTpCallPriv *priv = GET_PRIV (call);
 849
 850   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 851   g_return_if_fail (priv->status == EMPATHY_TP_CALL_STATUS_ACCEPTED);
 852
 853   if (!priv->audio->exists)
 854       return;
 855
 856   tp_cli_channel_interface_dtmf_call_start_tone (priv->channel, -1,
 857       priv->audio->id, event,
 858       (tp_cli_channel_interface_dtmf_callback_for_start_tone) tp_call_async_cb,
 859       "starting tone", NULL, G_OBJECT (call));
 860 }
 861
 862 void
 863 empathy_tp_call_stop_tone (EmpathyTpCall *call)
 864 {
 865   EmpathyTpCallPriv *priv = GET_PRIV (call);
 866
 867   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 868   g_return_if_fail (priv->status == EMPATHY_TP_CALL_STATUS_ACCEPTED);
 869
 870   if (!priv->audio->exists)
 871       return;
 872
 873   tp_cli_channel_interface_dtmf_call_stop_tone (priv->channel, -1,
 874       priv->audio->id,
 875       (tp_cli_channel_interface_dtmf_callback_for_stop_tone) tp_call_async_cb,
 876       "stoping tone", NULL, G_OBJECT (call));
 877 }
 878
 879 gboolean
 880 empathy_tp_call_has_dtmf (EmpathyTpCall *call)
 881 {
 882   EmpathyTpCallPriv *priv = GET_PRIV (call);
 883
 884   g_return_val_if_fail (EMPATHY_IS_TP_CALL (call), FALSE);
 885
 886   return tp_proxy_has_interface_by_id (priv->channel,
 887       TP_IFACE_QUARK_CHANNEL_INTERFACE_DTMF);
 888 }
 889