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_stream_engine_invalidated_cb (TpProxy       *stream_engine,
 374                                       GQuark         domain,
 375                                       gint           code,
 376                                       gchar         *message,
 377                                       EmpathyTpCall *call)
 378 {
 379   DEBUG ("Stream engine proxy invalidated: %s", message);
 380   empathy_tp_call_close (call);
 381 }
 382
 383 static void
 384 tp_call_stream_engine_watch_name_owner_cb (TpDBusDaemon *daemon,
 385                                            const gchar *name,
 386                                            const gchar *new_owner,
 387                                            gpointer call)
 388 {
 389   EmpathyTpCallPriv *priv = GET_PRIV (call);
 390
 391   /* EMP_STR_EMPTY(new_owner) means either stream-engine has not started yet or
 392    * has crashed. We want to close the channel if stream-engine has crashed.
 393    * */
 394   DEBUG ("Watch SE: name='%s' SE running='%s' new_owner='%s'",
 395       name, priv->stream_engine_running ? "yes" : "no",
 396       new_owner ? new_owner : "none");
 397   if (priv->stream_engine_running && EMP_STR_EMPTY (new_owner))
 398     {
 399       DEBUG ("Stream engine falled off the bus");
 400       empathy_tp_call_close (call);
 401       return;
 402     }
 403
 404   priv->stream_engine_running = !EMP_STR_EMPTY (new_owner);
 405 }
 406
 407 static void
 408 tp_call_stream_engine_handle_channel (EmpathyTpCall *call)
 409 {
 410   EmpathyTpCallPriv *priv = GET_PRIV (call);
 411   gchar *channel_type;
 412   gchar *object_path;
 413   guint handle_type;
 414   guint handle;
 415   TpProxy *connection;
 416
 417   DEBUG ("Revving up the stream engine");
 418
 419   priv->stream_engine = g_object_new (TP_TYPE_PROXY,
 420       "bus-name", STREAM_ENGINE_BUS_NAME,
 421       "dbus-connection", tp_get_bus (),
 422       "object-path", STREAM_ENGINE_OBJECT_PATH,
 423        NULL);
 424   tp_proxy_add_interface_by_id (priv->stream_engine,
 425       EMP_IFACE_QUARK_STREAM_ENGINE);
 426   tp_proxy_add_interface_by_id (priv->stream_engine,
 427       EMP_IFACE_QUARK_CHANNEL_HANDLER);
 428
 429   g_signal_connect (priv->stream_engine, "invalidated",
 430       G_CALLBACK (tp_call_stream_engine_invalidated_cb),
 431       call);
 432
 433   /* FIXME: dbus daemon should be unique */
 434   priv->dbus_daemon = tp_dbus_daemon_new (tp_get_bus ());
 435   tp_dbus_daemon_watch_name_owner (priv->dbus_daemon, STREAM_ENGINE_BUS_NAME,
 436       tp_call_stream_engine_watch_name_owner_cb,
 437       call, NULL);
 438
 439   g_object_get (priv->channel,
 440       "connection", &connection,
 441       "channel-type", &channel_type,
 442       "object-path", &object_path,
 443       "handle_type", &handle_type,
 444       "handle", &handle,
 445       NULL);
 446
 447   emp_cli_channel_handler_call_handle_channel (priv->stream_engine, -1,
 448         connection->bus_name,
 449         connection->object_path,
 450         channel_type, object_path, handle_type, handle,
 451         tp_call_async_cb, "calling handle channel", NULL,
 452         G_OBJECT (call));
 453
 454   g_object_unref (connection);
 455   g_free (channel_type);
 456   g_free (object_path);
 457 }
 458
 459 static GObject *
 460 tp_call_constructor (GType type,
 461                      guint n_construct_params,
 462                      GObjectConstructParam *construct_params)
 463 {
 464   GObject *object;
 465   EmpathyTpCall *call;
 466   EmpathyTpCallPriv *priv;
 467
 468   object = G_OBJECT_CLASS (empathy_tp_call_parent_class)->constructor (type,
 469       n_construct_params, construct_params);
 470
 471   call = EMPATHY_TP_CALL (object);
 472   priv = GET_PRIV (call);
 473
 474   /* Setup streamed media channel */
 475   g_signal_connect (priv->channel, "invalidated",
 476       G_CALLBACK (tp_call_channel_invalidated_cb), call);
 477   tp_cli_channel_type_streamed_media_connect_to_stream_added (priv->channel,
 478       tp_call_stream_added_cb, NULL, NULL, G_OBJECT (call), NULL);
 479   tp_cli_channel_type_streamed_media_connect_to_stream_removed (priv->channel,
 480       tp_call_stream_removed_cb, NULL, NULL, G_OBJECT (call), NULL);
 481   tp_cli_channel_type_streamed_media_connect_to_stream_state_changed (priv->channel,
 482       tp_call_stream_state_changed_cb, NULL, NULL, G_OBJECT (call), NULL);
 483   tp_cli_channel_type_streamed_media_connect_to_stream_direction_changed (priv->channel,
 484       tp_call_stream_direction_changed_cb, NULL, NULL, G_OBJECT (call), NULL);
 485   tp_cli_channel_type_streamed_media_call_list_streams (priv->channel, -1,
 486       tp_call_request_streams_cb, NULL, NULL, G_OBJECT (call));
 487
 488   /* Update status when members changes */
 489   tp_call_update_status (call);
 490   g_signal_connect (priv->channel, "group-members-changed",
 491       G_CALLBACK (tp_call_members_changed_cb), call);
 492
 493   /* Start stream engine */
 494   tp_call_stream_engine_handle_channel (call);
 495
 496   return object;
 497 }
 498
 499 static void
 500 tp_call_finalize (GObject *object)
 501 {
 502   EmpathyTpCallPriv *priv = GET_PRIV (object);
 503
 504   DEBUG ("Finalizing: %p", object);
 505
 506   g_slice_free (EmpathyTpCallStream, priv->audio);
 507   g_slice_free (EmpathyTpCallStream, priv->video);
 508
 509   if (priv->channel != NULL)
 510     {
 511       g_signal_handlers_disconnect_by_func (priv->channel,
 512         tp_call_channel_invalidated_cb, object);
 513
 514       g_object_unref (priv->channel);
 515       priv->channel = NULL;
 516     }
 517
 518   if (priv->stream_engine != NULL)
 519     {
 520       g_signal_handlers_disconnect_by_func (priv->stream_engine,
 521           tp_call_stream_engine_invalidated_cb, object);
 522       g_object_unref (priv->stream_engine);
 523     }
 524
 525   if (priv->contact != NULL)
 526       g_object_unref (priv->contact);
 527
 528   if (priv->dbus_daemon != NULL)
 529     {
 530       tp_dbus_daemon_cancel_name_owner_watch (priv->dbus_daemon,
 531           STREAM_ENGINE_BUS_NAME,
 532           tp_call_stream_engine_watch_name_owner_cb,
 533           object);
 534       g_object_unref (priv->dbus_daemon);
 535     }
 536
 537   (G_OBJECT_CLASS (empathy_tp_call_parent_class)->finalize) (object);
 538 }
 539
 540 static void
 541 tp_call_set_property (GObject *object,
 542                       guint prop_id,
 543                       const GValue *value,
 544                       GParamSpec *pspec)
 545 {
 546   EmpathyTpCallPriv *priv = GET_PRIV (object);
 547
 548   switch (prop_id)
 549     {
 550     case PROP_CHANNEL:
 551       priv->channel = g_value_dup_object (value);
 552       break;
 553     default:
 554       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 555       break;
 556   }
 557 }
 558
 559 static void
 560 tp_call_get_property (GObject *object,
 561                       guint prop_id,
 562                       GValue *value,
 563                       GParamSpec *pspec)
 564 {
 565   EmpathyTpCallPriv *priv = GET_PRIV (object);
 566
 567   switch (prop_id)
 568     {
 569     case PROP_CHANNEL:
 570       g_value_set_object (value, priv->channel);
 571       break;
 572     case PROP_CONTACT:
 573       g_value_set_object (value, priv->contact);
 574       break;
 575     case PROP_IS_INCOMING:
 576       g_value_set_boolean (value, priv->is_incoming);
 577       break;
 578     case PROP_STATUS:
 579       g_value_set_uint (value, priv->status);
 580       break;
 581     case PROP_AUDIO_STREAM:
 582       g_value_set_pointer (value, priv->audio);
 583       break;
 584     case PROP_VIDEO_STREAM:
 585       g_value_set_pointer (value, priv->video);
 586       break;
 587     default:
 588       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 589       break;
 590   }
 591 }
 592
 593 static void
 594 empathy_tp_call_class_init (EmpathyTpCallClass *klass)
 595 {
 596   GObjectClass *object_class = G_OBJECT_CLASS (klass);
 597
 598   object_class->constructor = tp_call_constructor;
 599   object_class->finalize = tp_call_finalize;
 600   object_class->set_property = tp_call_set_property;
 601   object_class->get_property = tp_call_get_property;
 602
 603   g_type_class_add_private (klass, sizeof (EmpathyTpCallPriv));
 604
 605   g_object_class_install_property (object_class, PROP_CHANNEL,
 606       g_param_spec_object ("channel", "channel", "channel",
 607       TP_TYPE_CHANNEL,
 608       G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE |
 609       G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
 610   g_object_class_install_property (object_class, PROP_CONTACT,
 611       g_param_spec_object ("contact", "Call contact", "Call contact",
 612       EMPATHY_TYPE_CONTACT,
 613       G_PARAM_READABLE | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
 614   g_object_class_install_property (object_class, PROP_IS_INCOMING,
 615       g_param_spec_boolean ("is-incoming", "Is media stream incoming",
 616       "Is media stream incoming", FALSE, G_PARAM_READABLE |
 617       G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
 618   g_object_class_install_property (object_class, PROP_STATUS,
 619       g_param_spec_uint ("status", "Call status",
 620       "Call status", 0, 255, 0, G_PARAM_READABLE | G_PARAM_STATIC_NICK |
 621       G_PARAM_STATIC_BLURB));
 622   g_object_class_install_property (object_class, PROP_AUDIO_STREAM,
 623       g_param_spec_pointer ("audio-stream", "Audio stream data",
 624       "Audio stream data",
 625       G_PARAM_READABLE | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
 626   g_object_class_install_property (object_class, PROP_VIDEO_STREAM,
 627       g_param_spec_pointer ("video-stream", "Video stream data",
 628       "Video stream data",
 629       G_PARAM_READABLE | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
 630 }
 631
 632 static void
 633 empathy_tp_call_init (EmpathyTpCall *call)
 634 {
 635   EmpathyTpCallPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (call,
 636     EMPATHY_TYPE_TP_CALL, EmpathyTpCallPriv);
 637
 638   call->priv = priv;
 639   priv->status = EMPATHY_TP_CALL_STATUS_READYING;
 640   priv->contact = NULL;
 641   priv->stream_engine_running = FALSE;
 642   priv->audio = g_slice_new0 (EmpathyTpCallStream);
 643   priv->video = g_slice_new0 (EmpathyTpCallStream);
 644   priv->audio->exists = FALSE;
 645   priv->video->exists = FALSE;
 646 }
 647
 648 EmpathyTpCall *
 649 empathy_tp_call_new (TpChannel *channel)
 650 {
 651   g_return_val_if_fail (TP_IS_CHANNEL (channel), NULL);
 652
 653   return g_object_new (EMPATHY_TYPE_TP_CALL,
 654       "channel", channel,
 655       NULL);
 656 }
 657
 658 void
 659 empathy_tp_call_accept_incoming_call (EmpathyTpCall *call)
 660 {
 661   EmpathyTpCallPriv *priv = GET_PRIV (call);
 662   TpHandle self_handle;
 663   GArray handles = {(gchar *) &self_handle, 1};
 664
 665   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 666   g_return_if_fail (priv->status == EMPATHY_TP_CALL_STATUS_PENDING);
 667   g_return_if_fail (priv->is_incoming);
 668
 669   DEBUG ("Accepting incoming call");
 670
 671   self_handle = tp_channel_group_get_self_handle (priv->channel);
 672   tp_cli_channel_interface_group_call_add_members (priv->channel, -1,
 673       &handles, NULL, NULL, NULL, NULL, NULL);
 674 }
 675
 676 void
 677 empathy_tp_call_close (EmpathyTpCall *call)
 678 {
 679   EmpathyTpCallPriv *priv = GET_PRIV (call);
 680
 681   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 682
 683   if (priv->status == EMPATHY_TP_CALL_STATUS_CLOSED)
 684       return;
 685
 686   DEBUG ("Closing channel");
 687
 688   tp_cli_channel_call_close (priv->channel, -1,
 689       NULL, NULL, NULL, NULL);
 690
 691   priv->status = EMPATHY_TP_CALL_STATUS_CLOSED;
 692   g_object_notify (G_OBJECT (call), "status");
 693 }
 694
 695 void
 696 empathy_tp_call_request_video_stream_direction (EmpathyTpCall *call,
 697                                                 gboolean is_sending)
 698 {
 699   EmpathyTpCallPriv *priv = GET_PRIV (call);
 700   guint new_direction;
 701
 702   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 703   g_return_if_fail (priv->status == EMPATHY_TP_CALL_STATUS_ACCEPTED);
 704
 705   DEBUG ("Requesting video stream direction - is_sending: %d", is_sending);
 706
 707   if (!priv->video->exists)
 708     {
 709       if (is_sending)
 710           tp_call_request_streams_for_capabilities (call,
 711               EMPATHY_CAPABILITIES_VIDEO);
 712       return;
 713     }
 714
 715   if (is_sending)
 716       new_direction = priv->video->direction | TP_MEDIA_STREAM_DIRECTION_SEND;
 717   else
 718       new_direction = priv->video->direction & ~TP_MEDIA_STREAM_DIRECTION_SEND;
 719
 720   tp_cli_channel_type_streamed_media_call_request_stream_direction (priv->channel,
 721       -1, priv->video->id, new_direction,
 722       (tp_cli_channel_type_streamed_media_callback_for_request_stream_direction)
 723       tp_call_async_cb, NULL, NULL, G_OBJECT (call));
 724 }
 725
 726 void
 727 empathy_tp_call_add_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 ("Adding preview video");
 735
 736   emp_cli_stream_engine_call_add_preview_window (priv->stream_engine, -1,
 737       preview_video_socket_id,
 738       tp_call_async_cb,
 739       "adding preview window", NULL,
 740       G_OBJECT (call));
 741 }
 742
 743 void
 744 empathy_tp_call_remove_preview_video (EmpathyTpCall *call,
 745                                       guint preview_video_socket_id)
 746 {
 747   EmpathyTpCallPriv *priv = GET_PRIV (call);
 748
 749   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 750
 751   DEBUG ("Removing preview video");
 752
 753   emp_cli_stream_engine_call_remove_preview_window (priv->stream_engine, -1,
 754       preview_video_socket_id,
 755       tp_call_async_cb,
 756       "removing preview window", NULL,
 757       G_OBJECT (call));
 758 }
 759
 760 void
 761 empathy_tp_call_add_output_video (EmpathyTpCall *call,
 762                                   guint output_video_socket_id)
 763 {
 764   EmpathyTpCallPriv *priv = GET_PRIV (call);
 765
 766   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 767
 768   DEBUG ("Adding output video - socket: %d", output_video_socket_id);
 769
 770   emp_cli_stream_engine_call_set_output_window (priv->stream_engine, -1,
 771       TP_PROXY (priv->channel)->object_path,
 772       priv->video->id, output_video_socket_id,
 773       tp_call_async_cb,
 774       "setting output window", NULL,
 775       G_OBJECT (call));
 776 }
 777
 778 void
 779 empathy_tp_call_set_output_volume (EmpathyTpCall *call,
 780                                    guint volume)
 781 {
 782   EmpathyTpCallPriv *priv = GET_PRIV (call);
 783
 784   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 785   g_return_if_fail (priv->status != EMPATHY_TP_CALL_STATUS_CLOSED);
 786
 787   DEBUG ("Setting output volume: %d", volume);
 788
 789   emp_cli_stream_engine_call_set_output_volume (priv->stream_engine, -1,
 790       TP_PROXY (priv->channel)->object_path,
 791       priv->audio->id, volume,
 792       tp_call_async_cb,
 793       "setting output volume", NULL,
 794       G_OBJECT (call));
 795 }
 796
 797 void
 798 empathy_tp_call_mute_output (EmpathyTpCall *call,
 799                              gboolean is_muted)
 800 {
 801   EmpathyTpCallPriv *priv = GET_PRIV (call);
 802
 803   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 804
 805   DEBUG ("Setting output mute: %d", is_muted);
 806
 807   emp_cli_stream_engine_call_mute_output (priv->stream_engine, -1,
 808       TP_PROXY (priv->channel)->object_path,
 809       priv->audio->id, is_muted,
 810       tp_call_async_cb,
 811       "muting output", NULL,
 812       G_OBJECT (call));
 813 }
 814
 815 void
 816 empathy_tp_call_mute_input (EmpathyTpCall *call,
 817                             gboolean is_muted)
 818 {
 819   EmpathyTpCallPriv *priv = GET_PRIV (call);
 820
 821   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 822
 823   DEBUG ("Setting input mute: %d", is_muted);
 824
 825   emp_cli_stream_engine_call_mute_input (priv->stream_engine, -1,
 826       TP_PROXY (priv->channel)->object_path,
 827       priv->audio->id, is_muted,
 828       tp_call_async_cb,
 829       "muting input", NULL,
 830       G_OBJECT (call));
 831 }
 832
 833 void
 834 empathy_tp_call_start_tone (EmpathyTpCall *call, TpDTMFEvent event)
 835 {
 836   EmpathyTpCallPriv *priv = GET_PRIV (call);
 837
 838   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 839   g_return_if_fail (priv->status == EMPATHY_TP_CALL_STATUS_ACCEPTED);
 840
 841   if (!priv->audio->exists)
 842       return;
 843
 844   tp_cli_channel_interface_dtmf_call_start_tone (priv->channel, -1,
 845       priv->audio->id, event,
 846       (tp_cli_channel_interface_dtmf_callback_for_start_tone) tp_call_async_cb,
 847       "starting tone", NULL, G_OBJECT (call));
 848 }
 849
 850 void
 851 empathy_tp_call_stop_tone (EmpathyTpCall *call)
 852 {
 853   EmpathyTpCallPriv *priv = GET_PRIV (call);
 854
 855   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 856   g_return_if_fail (priv->status == EMPATHY_TP_CALL_STATUS_ACCEPTED);
 857
 858   if (!priv->audio->exists)
 859       return;
 860
 861   tp_cli_channel_interface_dtmf_call_stop_tone (priv->channel, -1,
 862       priv->audio->id,
 863       (tp_cli_channel_interface_dtmf_callback_for_stop_tone) tp_call_async_cb,
 864       "stoping tone", NULL, G_OBJECT (call));
 865 }
 866
 867 gboolean
 868 empathy_tp_call_has_dtmf (EmpathyTpCall *call)
 869 {
 870   EmpathyTpCallPriv *priv = GET_PRIV (call);
 871
 872   g_return_val_if_fail (EMPATHY_IS_TP_CALL (call), FALSE);
 873
 874   return tp_proxy_has_interface_by_id (priv->channel,
 875       TP_IFACE_QUARK_CHANNEL_INTERFACE_DTMF);
 876 }
 877