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 "empathy-tp-call.h"
  30 #include "empathy-tp-contact-factory.h"
  31 #include "empathy-utils.h"
  32 #include "empathy-marshal.h"
  33
  34 #define DEBUG_FLAG EMPATHY_DEBUG_TP
  35 #include "empathy-debug.h"
  36
  37 #define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyTpCall)
  38 typedef struct
  39 {
  40   gboolean dispose_has_run;
  41   TpChannel *channel;
  42   EmpathyContact *contact;
  43   gboolean is_incoming;
  44   guint status;
  45
  46   EmpathyTpCallStream *audio;
  47   EmpathyTpCallStream *video;
  48 } EmpathyTpCallPriv;
  49
  50 /* signal enum */
  51 enum {
  52   AUDIO_STREAM_ERROR,
  53   VIDEO_STREAM_ERROR,
  54   LAST_SIGNAL
  55 };
  56
  57 static guint signals[LAST_SIGNAL] = {0};
  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_got_contact_cb (EmpathyTpContactFactory *factory,
 268                         EmpathyContact          *contact,
 269                         const GError            *error,
 270                         gpointer                 user_data,
 271                         GObject                 *call)
 272 {
 273   EmpathyTpCallPriv *priv = GET_PRIV (call);
 274
 275   if (error)
 276     {
 277       DEBUG ("Error: %s", error->message);
 278       return;
 279     }
 280
 281   priv->contact = g_object_ref (contact);
 282   priv->is_incoming = TRUE;
 283   priv->status = EMPATHY_TP_CALL_STATUS_PENDING;
 284   g_object_notify (G_OBJECT (call), "is-incoming");
 285   g_object_notify (G_OBJECT (call), "contact");
 286   g_object_notify (G_OBJECT (call), "status");
 287 }
 288
 289 static void
 290 tp_call_update_status (EmpathyTpCall *call)
 291 {
 292   EmpathyTpCallPriv *priv = GET_PRIV (call);
 293   TpHandle self_handle;
 294   const TpIntSet *set;
 295   TpIntSetIter iter;
 296
 297   g_object_ref (call);
 298
 299   self_handle = tp_channel_group_get_self_handle (priv->channel);
 300   set = tp_channel_group_get_members (priv->channel);
 301   tp_intset_iter_init (&iter, set);
 302   while (tp_intset_iter_next (&iter))
 303     {
 304       if (priv->contact == NULL && iter.element != self_handle)
 305         {
 306           EmpathyTpContactFactory *factory;
 307           TpConnection *connection;
 308
 309           /* We found the remote contact */
 310           connection = tp_channel_borrow_connection (priv->channel);
 311           factory = empathy_tp_contact_factory_dup_singleton (connection);
 312           empathy_tp_contact_factory_get_from_handle (factory, iter.element,
 313               tp_call_got_contact_cb, NULL, NULL, G_OBJECT (call));
 314           g_object_unref (factory);
 315         }
 316
 317       if (priv->status == EMPATHY_TP_CALL_STATUS_PENDING &&
 318           ((priv->is_incoming && iter.element == self_handle) ||
 319            (!priv->is_incoming && iter.element != self_handle)))
 320         {
 321           priv->status = EMPATHY_TP_CALL_STATUS_ACCEPTED;
 322           g_object_notify (G_OBJECT (call), "status");
 323         }
 324     }
 325
 326   g_object_unref (call);
 327 }
 328
 329 void
 330 empathy_tp_call_to (EmpathyTpCall *call, EmpathyContact *contact,
 331   gboolean audio, gboolean video)
 332 {
 333   EmpathyTpCallPriv *priv = GET_PRIV (call);
 334   EmpathyCapabilities capabilities = 0;
 335
 336   g_assert (audio || video);
 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
 345   if (video)
 346     capabilities |= EMPATHY_CAPABILITIES_VIDEO;
 347   if (audio)
 348     capabilities |= EMPATHY_CAPABILITIES_AUDIO;
 349
 350   tp_call_request_streams_for_capabilities (call, capabilities);
 351 }
 352
 353 static void
 354 tp_call_channel_invalidated_cb (TpChannel     *channel,
 355                                 GQuark         domain,
 356                                 gint           code,
 357                                 gchar         *message,
 358                                 EmpathyTpCall *call)
 359 {
 360   EmpathyTpCallPriv *priv = GET_PRIV (call);
 361
 362   DEBUG ("Channel invalidated: %s", message);
 363   priv->status = EMPATHY_TP_CALL_STATUS_CLOSED;
 364   g_object_notify (G_OBJECT (call), "status");
 365 }
 366
 367 static void
 368 tp_call_async_cb (TpProxy *proxy,
 369                   const GError *error,
 370                   gpointer user_data,
 371                   GObject *call)
 372 {
 373   if (error)
 374       DEBUG ("Error %s: %s", (gchar *) user_data, error->message);
 375 }
 376
 377 static void
 378 tp_call_stream_error_cb (TpChannel *channel,
 379     guint stream_id,
 380     guint error_code,
 381     const gchar *msg,
 382     gpointer user_data,
 383     GObject *call)
 384 {
 385   EmpathyTpCall *self = EMPATHY_TP_CALL (call);
 386   EmpathyTpCallPriv *priv = GET_PRIV (self);
 387
 388   DEBUG ("Stream error on stream %u: %s (code: %u)", stream_id, msg,
 389       error_code);
 390
 391   if (priv->audio->id == stream_id)
 392     {
 393       g_signal_emit (call, signals[AUDIO_STREAM_ERROR], 0, error_code, msg);
 394     }
 395   else if (priv->video->id == stream_id)
 396     {
 397       g_signal_emit (call, signals[VIDEO_STREAM_ERROR], 0, error_code, msg);
 398     }
 399   else
 400     {
 401       DEBUG ("Unknown stream id: %u", stream_id);
 402     }
 403 }
 404
 405 static GObject *
 406 tp_call_constructor (GType type,
 407                      guint n_construct_params,
 408                      GObjectConstructParam *construct_params)
 409 {
 410   GObject *object;
 411   EmpathyTpCall *call;
 412   EmpathyTpCallPriv *priv;
 413
 414   object = G_OBJECT_CLASS (empathy_tp_call_parent_class)->constructor (type,
 415       n_construct_params, construct_params);
 416
 417   call = EMPATHY_TP_CALL (object);
 418   priv = GET_PRIV (call);
 419
 420   /* Setup streamed media channel */
 421   g_signal_connect (priv->channel, "invalidated",
 422       G_CALLBACK (tp_call_channel_invalidated_cb), call);
 423   tp_cli_channel_type_streamed_media_connect_to_stream_added (priv->channel,
 424       tp_call_stream_added_cb, NULL, NULL, G_OBJECT (call), NULL);
 425   tp_cli_channel_type_streamed_media_connect_to_stream_removed (priv->channel,
 426       tp_call_stream_removed_cb, NULL, NULL, G_OBJECT (call), NULL);
 427   tp_cli_channel_type_streamed_media_connect_to_stream_state_changed (priv->channel,
 428       tp_call_stream_state_changed_cb, NULL, NULL, G_OBJECT (call), NULL);
 429   tp_cli_channel_type_streamed_media_connect_to_stream_direction_changed (priv->channel,
 430       tp_call_stream_direction_changed_cb, NULL, NULL, G_OBJECT (call), NULL);
 431   tp_cli_channel_type_streamed_media_connect_to_stream_error (priv->channel,
 432       tp_call_stream_error_cb, NULL, NULL, G_OBJECT (call), NULL);
 433   tp_cli_channel_type_streamed_media_call_list_streams (priv->channel, -1,
 434       tp_call_request_streams_cb, NULL, NULL, G_OBJECT (call));
 435
 436   /* Update status when members changes */
 437   tp_call_update_status (call);
 438   g_signal_connect_swapped (priv->channel, "group-members-changed",
 439       G_CALLBACK (tp_call_update_status), call);
 440
 441   return object;
 442 }
 443 static void
 444 tp_call_dispose (GObject *object)
 445 {
 446   EmpathyTpCallPriv *priv = GET_PRIV (object);
 447
 448   DEBUG ("Disposing: %p, %d", object, priv->dispose_has_run);
 449
 450   if (priv->dispose_has_run)
 451     return;
 452
 453   priv->dispose_has_run = TRUE;
 454
 455   if (priv->channel != NULL)
 456     {
 457       g_signal_handlers_disconnect_by_func (priv->channel,
 458         tp_call_channel_invalidated_cb, object);
 459
 460       g_object_unref (priv->channel);
 461       priv->channel = NULL;
 462     }
 463
 464   if (priv->contact != NULL)
 465       g_object_unref (priv->contact);
 466
 467   if (G_OBJECT_CLASS (empathy_tp_call_parent_class)->dispose)
 468     G_OBJECT_CLASS (empathy_tp_call_parent_class)->dispose (object);
 469 }
 470
 471 static void
 472 tp_call_finalize (GObject *object)
 473 {
 474   EmpathyTpCallPriv *priv = GET_PRIV (object);
 475
 476   DEBUG ("Finalizing: %p", object);
 477
 478   g_slice_free (EmpathyTpCallStream, priv->audio);
 479   g_slice_free (EmpathyTpCallStream, priv->video);
 480
 481   (G_OBJECT_CLASS (empathy_tp_call_parent_class)->finalize) (object);
 482 }
 483
 484 static void
 485 tp_call_set_property (GObject *object,
 486                       guint prop_id,
 487                       const GValue *value,
 488                       GParamSpec *pspec)
 489 {
 490   EmpathyTpCallPriv *priv = GET_PRIV (object);
 491
 492   switch (prop_id)
 493     {
 494     case PROP_CHANNEL:
 495       priv->channel = g_value_dup_object (value);
 496       break;
 497     default:
 498       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 499       break;
 500   }
 501 }
 502
 503 static void
 504 tp_call_get_property (GObject *object,
 505                       guint prop_id,
 506                       GValue *value,
 507                       GParamSpec *pspec)
 508 {
 509   EmpathyTpCallPriv *priv = GET_PRIV (object);
 510
 511   switch (prop_id)
 512     {
 513     case PROP_CHANNEL:
 514       g_value_set_object (value, priv->channel);
 515       break;
 516     case PROP_CONTACT:
 517       g_value_set_object (value, priv->contact);
 518       break;
 519     case PROP_IS_INCOMING:
 520       g_value_set_boolean (value, priv->is_incoming);
 521       break;
 522     case PROP_STATUS:
 523       g_value_set_uint (value, priv->status);
 524       break;
 525     case PROP_AUDIO_STREAM:
 526       g_value_set_pointer (value, priv->audio);
 527       break;
 528     case PROP_VIDEO_STREAM:
 529       g_value_set_pointer (value, priv->video);
 530       break;
 531     default:
 532       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 533       break;
 534   }
 535 }
 536
 537 static void
 538 empathy_tp_call_class_init (EmpathyTpCallClass *klass)
 539 {
 540   GObjectClass *object_class = G_OBJECT_CLASS (klass);
 541
 542   object_class->constructor = tp_call_constructor;
 543   object_class->dispose = tp_call_dispose;
 544   object_class->finalize = tp_call_finalize;
 545   object_class->set_property = tp_call_set_property;
 546   object_class->get_property = tp_call_get_property;
 547
 548   g_type_class_add_private (klass, sizeof (EmpathyTpCallPriv));
 549
 550   g_object_class_install_property (object_class, PROP_CHANNEL,
 551       g_param_spec_object ("channel", "channel", "channel",
 552       TP_TYPE_CHANNEL,
 553       G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE |
 554       G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
 555   g_object_class_install_property (object_class, PROP_CONTACT,
 556       g_param_spec_object ("contact", "Call contact", "Call contact",
 557       EMPATHY_TYPE_CONTACT,
 558       G_PARAM_READABLE | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
 559   g_object_class_install_property (object_class, PROP_IS_INCOMING,
 560       g_param_spec_boolean ("is-incoming", "Is media stream incoming",
 561       "Is media stream incoming", FALSE, G_PARAM_READABLE |
 562       G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
 563   g_object_class_install_property (object_class, PROP_STATUS,
 564       g_param_spec_uint ("status", "Call status",
 565       "Call status", 0, 255, 0, G_PARAM_READABLE | G_PARAM_STATIC_NICK |
 566       G_PARAM_STATIC_BLURB));
 567   g_object_class_install_property (object_class, PROP_AUDIO_STREAM,
 568       g_param_spec_pointer ("audio-stream", "Audio stream data",
 569       "Audio stream data",
 570       G_PARAM_READABLE | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
 571   g_object_class_install_property (object_class, PROP_VIDEO_STREAM,
 572       g_param_spec_pointer ("video-stream", "Video stream data",
 573       "Video stream data",
 574       G_PARAM_READABLE | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
 575
 576   signals[AUDIO_STREAM_ERROR] =
 577     g_signal_new ("audio-stream-error",
 578       G_TYPE_FROM_CLASS (klass),
 579       G_SIGNAL_RUN_LAST, 0,
 580       NULL, NULL,
 581       _empathy_marshal_VOID__UINT_STRING,
 582       G_TYPE_NONE,
 583       2, G_TYPE_UINT, G_TYPE_STRING);
 584
 585   signals[VIDEO_STREAM_ERROR] =
 586     g_signal_new ("video-stream-error",
 587       G_TYPE_FROM_CLASS (klass),
 588       G_SIGNAL_RUN_LAST, 0,
 589       NULL, NULL,
 590       _empathy_marshal_VOID__UINT_STRING,
 591       G_TYPE_NONE,
 592       2, G_TYPE_UINT, G_TYPE_STRING);
 593 }
 594
 595 static void
 596 empathy_tp_call_init (EmpathyTpCall *call)
 597 {
 598   EmpathyTpCallPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (call,
 599     EMPATHY_TYPE_TP_CALL, EmpathyTpCallPriv);
 600
 601   call->priv = priv;
 602   priv->status = EMPATHY_TP_CALL_STATUS_READYING;
 603   priv->contact = NULL;
 604   priv->audio = g_slice_new0 (EmpathyTpCallStream);
 605   priv->video = g_slice_new0 (EmpathyTpCallStream);
 606   priv->audio->exists = FALSE;
 607   priv->video->exists = FALSE;
 608 }
 609
 610 EmpathyTpCall *
 611 empathy_tp_call_new (TpChannel *channel)
 612 {
 613   g_return_val_if_fail (TP_IS_CHANNEL (channel), NULL);
 614
 615   return g_object_new (EMPATHY_TYPE_TP_CALL,
 616       "channel", channel,
 617       NULL);
 618 }
 619
 620 void
 621 empathy_tp_call_accept_incoming_call (EmpathyTpCall *call)
 622 {
 623   EmpathyTpCallPriv *priv = GET_PRIV (call);
 624   TpHandle self_handle;
 625   GArray handles = {(gchar *) &self_handle, 1};
 626
 627   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 628   g_return_if_fail (priv->status == EMPATHY_TP_CALL_STATUS_PENDING);
 629   g_return_if_fail (priv->is_incoming);
 630
 631   DEBUG ("Accepting incoming call");
 632
 633   self_handle = tp_channel_group_get_self_handle (priv->channel);
 634   tp_cli_channel_interface_group_call_add_members (priv->channel, -1,
 635       &handles, NULL, NULL, NULL, NULL, NULL);
 636 }
 637
 638 void
 639 empathy_tp_call_close (EmpathyTpCall *call)
 640 {
 641   EmpathyTpCallPriv *priv = GET_PRIV (call);
 642
 643   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 644
 645   if (priv->status == EMPATHY_TP_CALL_STATUS_CLOSED)
 646       return;
 647
 648   DEBUG ("Closing channel");
 649
 650   tp_cli_channel_call_close (priv->channel, -1,
 651       NULL, NULL, NULL, NULL);
 652
 653   priv->status = EMPATHY_TP_CALL_STATUS_CLOSED;
 654   g_object_notify (G_OBJECT (call), "status");
 655 }
 656
 657 void
 658 empathy_tp_call_request_video_stream_direction (EmpathyTpCall *call,
 659                                                 gboolean is_sending)
 660 {
 661   EmpathyTpCallPriv *priv = GET_PRIV (call);
 662   guint new_direction;
 663
 664   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 665   g_return_if_fail (priv->status == EMPATHY_TP_CALL_STATUS_ACCEPTED);
 666
 667   DEBUG ("Requesting video stream direction - is_sending: %d", is_sending);
 668
 669   if (!priv->video->exists)
 670     {
 671       if (is_sending)
 672           tp_call_request_streams_for_capabilities (call,
 673               EMPATHY_CAPABILITIES_VIDEO);
 674       return;
 675     }
 676
 677   if (is_sending)
 678       new_direction = priv->video->direction | TP_MEDIA_STREAM_DIRECTION_SEND;
 679   else
 680       new_direction = priv->video->direction & ~TP_MEDIA_STREAM_DIRECTION_SEND;
 681
 682   tp_cli_channel_type_streamed_media_call_request_stream_direction (priv->channel,
 683       -1, priv->video->id, new_direction,
 684       (tp_cli_channel_type_streamed_media_callback_for_request_stream_direction)
 685       tp_call_async_cb, NULL, NULL, G_OBJECT (call));
 686 }
 687
 688 void
 689 empathy_tp_call_start_tone (EmpathyTpCall *call, TpDTMFEvent event)
 690 {
 691   EmpathyTpCallPriv *priv = GET_PRIV (call);
 692
 693   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 694   g_return_if_fail (priv->status == EMPATHY_TP_CALL_STATUS_ACCEPTED);
 695
 696   if (!priv->audio->exists)
 697       return;
 698
 699   tp_cli_channel_interface_dtmf_call_start_tone (priv->channel, -1,
 700       priv->audio->id, event,
 701       (tp_cli_channel_interface_dtmf_callback_for_start_tone) tp_call_async_cb,
 702       "starting tone", NULL, G_OBJECT (call));
 703 }
 704
 705 void
 706 empathy_tp_call_stop_tone (EmpathyTpCall *call)
 707 {
 708   EmpathyTpCallPriv *priv = GET_PRIV (call);
 709
 710   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 711   g_return_if_fail (priv->status == EMPATHY_TP_CALL_STATUS_ACCEPTED);
 712
 713   if (!priv->audio->exists)
 714       return;
 715
 716   tp_cli_channel_interface_dtmf_call_stop_tone (priv->channel, -1,
 717       priv->audio->id,
 718       (tp_cli_channel_interface_dtmf_callback_for_stop_tone) tp_call_async_cb,
 719       "stoping tone", NULL, G_OBJECT (call));
 720 }
 721
 722 gboolean
 723 empathy_tp_call_has_dtmf (EmpathyTpCall *call)
 724 {
 725   EmpathyTpCallPriv *priv = GET_PRIV (call);
 726
 727   g_return_val_if_fail (EMPATHY_IS_TP_CALL (call), FALSE);
 728
 729   return tp_proxy_has_interface_by_id (priv->channel,
 730       TP_IFACE_QUARK_CHANNEL_INTERFACE_DTMF);
 731 }
 732
 733 /**
 734  * empathy_tp_call_is_receiving_video:
 735  * @call: the call
 736  *
 737  * Indicates if the call is receiving video or not.
 738  *
 739  * Returns: %TRUE if the call is currently receiving video, %FALSE otherwise.
 740  */
 741 gboolean
 742 empathy_tp_call_is_receiving_video (EmpathyTpCall *call)
 743 {
 744   EmpathyTpCallPriv *priv = GET_PRIV (call);
 745
 746   g_return_val_if_fail (EMPATHY_IS_TP_CALL (call), FALSE);
 747
 748   if (!priv->video->exists)
 749     return FALSE;
 750
 751   return priv->video->direction & TP_MEDIA_STREAM_DIRECTION_RECEIVE ?
 752       TRUE : FALSE;
 753 }
 754
 755 /**
 756  * empathy_tp_call_is_sending_video:
 757  * @call: the call
 758  *
 759  * Indicates if the call is sending video or not.
 760  *
 761  * Returns: %TRUE if the call is currently sending video, %FALSE otherwise.
 762  */
 763 gboolean
 764 empathy_tp_call_is_sending_video (EmpathyTpCall *call)
 765 {
 766   EmpathyTpCallPriv *priv = GET_PRIV (call);
 767
 768   g_return_val_if_fail (EMPATHY_IS_TP_CALL (call), FALSE);
 769
 770   if (!priv->video->exists)
 771     return FALSE;
 772
 773   return priv->video->direction & TP_MEDIA_STREAM_DIRECTION_SEND ?
 774       TRUE : FALSE;
 775 }
 776
 777 const gchar *
 778 empathy_tp_call_get_connection_manager (EmpathyTpCall *self)
 779 {
 780   EmpathyTpCallPriv *priv = GET_PRIV (self);
 781   TpConnection *conn;
 782   TpAccount *account;
 783
 784   if (priv->channel == NULL)
 785     return NULL;
 786
 787   conn = tp_channel_borrow_connection (priv->channel);
 788   if (conn == NULL)
 789     return NULL;
 790
 791   account = empathy_get_account_for_connection (conn);
 792   if (account == NULL)
 793     return NULL;
 794
 795   return tp_account_get_connection_manager (account);
 796 }