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       tp_call_request_streams_for_capabilities (call,
 286           EMPATHY_CAPABILITIES_AUDIO);
 287
 288     }
 289
 290   if (priv->status == EMPATHY_TP_CALL_STATUS_PENDING &&
 291       ((priv->is_incoming && contact != priv->contact) ||
 292        (!priv->is_incoming && contact == priv->contact)))
 293     {
 294       priv->status = EMPATHY_TP_CALL_STATUS_ACCEPTED;
 295       g_object_notify (G_OBJECT (call), "status");
 296     }
 297   g_object_unref (call);
 298 }
 299
 300 static void
 301 tp_call_remote_pending_cb (EmpathyTpGroup *group,
 302                            EmpathyContact *contact,
 303                            EmpathyContact *actor,
 304                            guint reason,
 305                            const gchar *message,
 306                            EmpathyTpCall *call)
 307 {
 308   EmpathyTpCallPriv *priv = GET_PRIV (call);
 309
 310   g_object_ref (call);
 311   if (!priv->contact && !empathy_contact_is_user (contact))
 312     {
 313       priv->contact = g_object_ref (contact);
 314       priv->is_incoming = FALSE;
 315       priv->status = EMPATHY_TP_CALL_STATUS_PENDING;
 316       g_object_notify (G_OBJECT (call), "is-incoming");
 317       g_object_notify (G_OBJECT (call), "contact");
 318       g_object_notify (G_OBJECT (call), "status");
 319       tp_call_request_streams_for_capabilities (call,
 320           EMPATHY_CAPABILITIES_AUDIO);
 321     }
 322   g_object_unref (call);
 323 }
 324
 325 static void
 326 tp_call_channel_invalidated_cb (TpChannel     *channel,
 327                                 GQuark         domain,
 328                                 gint           code,
 329                                 gchar         *message,
 330                                 EmpathyTpCall *call)
 331 {
 332   EmpathyTpCallPriv *priv = GET_PRIV (call);
 333
 334   DEBUG ("Channel invalidated: %s", message);
 335   priv->status = EMPATHY_TP_CALL_STATUS_CLOSED;
 336   g_object_notify (G_OBJECT (call), "status");
 337 }
 338
 339 static void
 340 tp_call_async_cb (TpProxy *proxy,
 341                   const GError *error,
 342                   gpointer user_data,
 343                   GObject *call)
 344 {
 345   if (error)
 346       DEBUG ("Error %s: %s", (gchar*) user_data, error->message);
 347 }
 348
 349 static void
 350 tp_call_close_channel (EmpathyTpCall *call)
 351 {
 352   EmpathyTpCallPriv *priv = GET_PRIV (call);
 353
 354   if (priv->status == EMPATHY_TP_CALL_STATUS_CLOSED)
 355       return;
 356
 357   DEBUG ("Closing channel");
 358
 359   tp_cli_channel_call_close (priv->channel, -1,
 360       NULL, NULL, NULL, NULL);
 361
 362   priv->status = EMPATHY_TP_CALL_STATUS_CLOSED;
 363   g_object_notify (G_OBJECT (call), "status");
 364 }
 365
 366 static void
 367 tp_call_stream_engine_invalidated_cb (TpProxy       *stream_engine,
 368                                       GQuark         domain,
 369                                       gint           code,
 370                                       gchar         *message,
 371                                       EmpathyTpCall *call)
 372 {
 373   DEBUG ("Stream engine proxy invalidated: %s", message);
 374   tp_call_close_channel (call);
 375 }
 376
 377 static void
 378 tp_call_stream_engine_watch_name_owner_cb (TpDBusDaemon *daemon,
 379                                            const gchar *name,
 380                                            const gchar *new_owner,
 381                                            gpointer call)
 382 {
 383   EmpathyTpCallPriv *priv = GET_PRIV (call);
 384
 385   /* G_STR_EMPTY(new_owner) means either stream-engine has not started yet or
 386    * has crashed. We want to close the channel if stream-engine has crashed.
 387    * */
 388   DEBUG ("Watch SE: name='%s' SE running='%s' new_owner='%s'",
 389       name, priv->stream_engine_running ? "yes" : "no",
 390       new_owner ? new_owner : "none");
 391   if (priv->stream_engine_running && G_STR_EMPTY (new_owner))
 392     {
 393       DEBUG ("Stream engine falled off the bus");
 394       tp_call_close_channel (call);
 395       return;
 396     }
 397
 398   priv->stream_engine_running = !G_STR_EMPTY (new_owner);
 399 }
 400
 401 static void
 402 tp_call_stream_engine_handle_channel (EmpathyTpCall *call)
 403 {
 404   EmpathyTpCallPriv *priv = GET_PRIV (call);
 405   gchar *channel_type;
 406   gchar *object_path;
 407   guint handle_type;
 408   guint handle;
 409   TpProxy *connection;
 410
 411   DEBUG ("Revving up the stream engine");
 412
 413   priv->stream_engine = g_object_new (TP_TYPE_PROXY,
 414       "bus-name", STREAM_ENGINE_BUS_NAME,
 415       "dbus-connection", tp_get_bus (),
 416       "object-path", STREAM_ENGINE_OBJECT_PATH,
 417        NULL);
 418   tp_proxy_add_interface_by_id (priv->stream_engine,
 419       EMP_IFACE_QUARK_STREAM_ENGINE);
 420   tp_proxy_add_interface_by_id (priv->stream_engine,
 421       EMP_IFACE_QUARK_CHANNEL_HANDLER);
 422
 423   g_signal_connect (priv->stream_engine, "invalidated",
 424       G_CALLBACK (tp_call_stream_engine_invalidated_cb),
 425       call);
 426
 427   /* FIXME: dbus daemon should be unique */
 428   priv->dbus_daemon = tp_dbus_daemon_new (tp_get_bus ());
 429   tp_dbus_daemon_watch_name_owner (priv->dbus_daemon, STREAM_ENGINE_BUS_NAME,
 430       tp_call_stream_engine_watch_name_owner_cb,
 431       call, NULL);
 432
 433   g_object_get (priv->channel,
 434       "connection", &connection,
 435       "channel-type", &channel_type,
 436       "object-path", &object_path,
 437       "handle_type", &handle_type,
 438       "handle", &handle,
 439       NULL);
 440
 441   emp_cli_channel_handler_call_handle_channel (priv->stream_engine, -1,
 442         connection->bus_name,
 443         connection->object_path,
 444         channel_type, object_path, handle_type, handle,
 445         tp_call_async_cb, "calling handle channel", NULL,
 446         G_OBJECT (call));
 447
 448   g_object_unref (connection);
 449   g_free (channel_type);
 450   g_free (object_path);
 451 }
 452
 453 static GObject *
 454 tp_call_constructor (GType type,
 455                      guint n_construct_params,
 456                      GObjectConstructParam *construct_params)
 457 {
 458   GObject *object;
 459   EmpathyTpCall *call;
 460   EmpathyTpCallPriv *priv;
 461
 462   object = G_OBJECT_CLASS (empathy_tp_call_parent_class)->constructor (type,
 463       n_construct_params, construct_params);
 464
 465   call = EMPATHY_TP_CALL (object);
 466   priv = GET_PRIV (call);
 467
 468   /* Setup streamed media channel */
 469   g_signal_connect (priv->channel, "invalidated",
 470       G_CALLBACK (tp_call_channel_invalidated_cb), call);
 471   tp_cli_channel_type_streamed_media_connect_to_stream_added (priv->channel,
 472       tp_call_stream_added_cb, NULL, NULL, G_OBJECT (call), NULL);
 473   tp_cli_channel_type_streamed_media_connect_to_stream_removed (priv->channel,
 474       tp_call_stream_removed_cb, NULL, NULL, G_OBJECT (call), NULL);
 475   tp_cli_channel_type_streamed_media_connect_to_stream_state_changed (priv->channel,
 476       tp_call_stream_state_changed_cb, NULL, NULL, G_OBJECT (call), NULL);
 477   tp_cli_channel_type_streamed_media_connect_to_stream_direction_changed (priv->channel,
 478       tp_call_stream_direction_changed_cb, NULL, NULL, G_OBJECT (call), NULL);
 479   tp_cli_channel_type_streamed_media_call_list_streams (priv->channel, -1,
 480       tp_call_request_streams_cb, NULL, NULL, G_OBJECT (call));
 481
 482   /* Setup group interface */
 483   priv->group = empathy_tp_group_new (priv->channel);
 484
 485   g_signal_connect (priv->group, "member-added",
 486       G_CALLBACK (tp_call_member_added_cb), call);
 487   g_signal_connect (priv->group, "remote-pending",
 488       G_CALLBACK (tp_call_remote_pending_cb), call);
 489
 490   /* Start stream engine */
 491   tp_call_stream_engine_handle_channel (call);
 492
 493   return object;
 494 }
 495
 496 static void
 497 tp_call_finalize (GObject *object)
 498 {
 499   EmpathyTpCallPriv *priv = GET_PRIV (object);
 500
 501   DEBUG ("Finalizing: %p", object);
 502
 503   g_slice_free (EmpathyTpCallStream, priv->audio);
 504   g_slice_free (EmpathyTpCallStream, priv->video);
 505   g_object_unref (priv->group);
 506
 507   if (priv->channel != NULL)
 508     {
 509       g_signal_handlers_disconnect_by_func (priv->channel,
 510           tp_call_channel_invalidated_cb, object);
 511       tp_call_close_channel (EMPATHY_TP_CALL (object));
 512       g_object_unref (priv->channel);
 513     }
 514
 515   if (priv->stream_engine != NULL)
 516     {
 517       g_signal_handlers_disconnect_by_func (priv->stream_engine,
 518           tp_call_stream_engine_invalidated_cb, object);
 519       g_object_unref (priv->stream_engine);
 520     }
 521
 522   if (priv->contact != NULL)
 523       g_object_unref (priv->contact);
 524
 525   if (priv->dbus_daemon != NULL)
 526     {
 527       tp_dbus_daemon_cancel_name_owner_watch (priv->dbus_daemon,
 528           STREAM_ENGINE_BUS_NAME,
 529           tp_call_stream_engine_watch_name_owner_cb,
 530           object);
 531       g_object_unref (priv->dbus_daemon);
 532     }
 533
 534   (G_OBJECT_CLASS (empathy_tp_call_parent_class)->finalize) (object);
 535 }
 536
 537 static void
 538 tp_call_set_property (GObject *object,
 539                       guint prop_id,
 540                       const GValue *value,
 541                       GParamSpec *pspec)
 542 {
 543   EmpathyTpCallPriv *priv = GET_PRIV (object);
 544
 545   switch (prop_id)
 546     {
 547     case PROP_CHANNEL:
 548       priv->channel = g_value_dup_object (value);
 549       break;
 550     default:
 551       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 552       break;
 553   }
 554 }
 555
 556 static void
 557 tp_call_get_property (GObject *object,
 558                       guint prop_id,
 559                       GValue *value,
 560                       GParamSpec *pspec)
 561 {
 562   EmpathyTpCallPriv *priv = GET_PRIV (object);
 563
 564   switch (prop_id)
 565     {
 566     case PROP_CHANNEL:
 567       g_value_set_object (value, priv->channel);
 568       break;
 569     case PROP_CONTACT:
 570       g_value_set_object (value, priv->contact);
 571       break;
 572     case PROP_IS_INCOMING:
 573       g_value_set_boolean (value, priv->is_incoming);
 574       break;
 575     case PROP_STATUS:
 576       g_value_set_uint (value, priv->status);
 577       break;
 578     case PROP_AUDIO_STREAM:
 579       g_value_set_pointer (value, priv->audio);
 580       break;
 581     case PROP_VIDEO_STREAM:
 582       g_value_set_pointer (value, priv->video);
 583       break;
 584     default:
 585       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 586       break;
 587   }
 588 }
 589
 590 static void
 591 empathy_tp_call_class_init (EmpathyTpCallClass *klass)
 592 {
 593   GObjectClass *object_class = G_OBJECT_CLASS (klass);
 594
 595   emp_cli_init ();
 596
 597   object_class->constructor = tp_call_constructor;
 598   object_class->finalize = tp_call_finalize;
 599   object_class->set_property = tp_call_set_property;
 600   object_class->get_property = tp_call_get_property;
 601
 602   g_type_class_add_private (klass, sizeof (EmpathyTpCallPriv));
 603
 604   g_object_class_install_property (object_class, PROP_CHANNEL,
 605       g_param_spec_object ("channel", "channel", "channel",
 606       TP_TYPE_CHANNEL,
 607       G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE |
 608       G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
 609   g_object_class_install_property (object_class, PROP_CONTACT,
 610       g_param_spec_object ("contact", "Call contact", "Call contact",
 611       EMPATHY_TYPE_CONTACT,
 612       G_PARAM_READABLE | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
 613   g_object_class_install_property (object_class, PROP_IS_INCOMING,
 614       g_param_spec_boolean ("is-incoming", "Is media stream incoming",
 615       "Is media stream incoming", FALSE, G_PARAM_READABLE |
 616       G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
 617   g_object_class_install_property (object_class, PROP_STATUS,
 618       g_param_spec_uint ("status", "Call status",
 619       "Call status", 0, 255, 0, G_PARAM_READABLE | G_PARAM_STATIC_NICK |
 620       G_PARAM_STATIC_BLURB));
 621   g_object_class_install_property (object_class, PROP_AUDIO_STREAM,
 622       g_param_spec_pointer ("audio-stream", "Audio stream data",
 623       "Audio stream data",
 624       G_PARAM_READABLE | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
 625   g_object_class_install_property (object_class, PROP_VIDEO_STREAM,
 626       g_param_spec_pointer ("video-stream", "Video stream data",
 627       "Video stream data",
 628       G_PARAM_READABLE | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
 629 }
 630
 631 static void
 632 empathy_tp_call_init (EmpathyTpCall *call)
 633 {
 634   EmpathyTpCallPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (call,
 635                 EMPATHY_TYPE_TP_CALL, EmpathyTpCallPriv);
 636
 637   call->priv = priv;
 638   priv->status = EMPATHY_TP_CALL_STATUS_READYING;
 639   priv->contact = NULL;
 640   priv->stream_engine_running = FALSE;
 641   priv->audio = g_slice_new0 (EmpathyTpCallStream);
 642   priv->video = g_slice_new0 (EmpathyTpCallStream);
 643   priv->audio->exists = FALSE;
 644   priv->video->exists = FALSE;
 645 }
 646
 647 EmpathyTpCall *
 648 empathy_tp_call_new (TpChannel *channel)
 649 {
 650   g_return_val_if_fail (TP_IS_CHANNEL (channel), NULL);
 651
 652   return g_object_new (EMPATHY_TYPE_TP_CALL,
 653       "channel", channel,
 654       NULL);
 655 }
 656
 657 void
 658 empathy_tp_call_accept_incoming_call (EmpathyTpCall *call)
 659 {
 660   EmpathyTpCallPriv *priv = GET_PRIV (call);
 661   EmpathyContact *self_contact;
 662
 663   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 664   g_return_if_fail (priv->status == EMPATHY_TP_CALL_STATUS_PENDING);
 665
 666   DEBUG ("Accepting incoming call");
 667
 668   self_contact = empathy_tp_group_get_self_contact (priv->group);
 669   empathy_tp_group_add_member (priv->group, self_contact, NULL);
 670   g_object_unref (self_contact);
 671 }
 672
 673 void
 674 empathy_tp_call_request_video_stream_direction (EmpathyTpCall *call,
 675                                                 gboolean is_sending)
 676 {
 677   EmpathyTpCallPriv *priv = GET_PRIV (call);
 678   guint new_direction;
 679
 680   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 681   g_return_if_fail (priv->status == EMPATHY_TP_CALL_STATUS_ACCEPTED);
 682
 683   DEBUG ("Requesting video stream direction - is_sending: %d", is_sending);
 684
 685   if (!priv->video->exists)
 686     {
 687       if (is_sending)
 688           tp_call_request_streams_for_capabilities (call,
 689               EMPATHY_CAPABILITIES_VIDEO);
 690       return;
 691     }
 692
 693   if (is_sending)
 694       new_direction = priv->video->direction | TP_MEDIA_STREAM_DIRECTION_SEND;
 695   else
 696       new_direction = priv->video->direction & ~TP_MEDIA_STREAM_DIRECTION_SEND;
 697
 698   tp_cli_channel_type_streamed_media_call_request_stream_direction (priv->channel,
 699       -1, priv->video->id, new_direction,
 700       (tp_cli_channel_type_streamed_media_callback_for_request_stream_direction)
 701       tp_call_async_cb, NULL, NULL, G_OBJECT (call));
 702 }
 703
 704 void
 705 empathy_tp_call_add_preview_video (EmpathyTpCall *call,
 706                                    guint preview_video_socket_id)
 707 {
 708   EmpathyTpCallPriv *priv = GET_PRIV (call);
 709
 710   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 711
 712   DEBUG ("Adding preview video");
 713
 714   emp_cli_stream_engine_call_add_preview_window (priv->stream_engine, -1,
 715       preview_video_socket_id,
 716       tp_call_async_cb,
 717       "adding preview window", NULL,
 718       G_OBJECT (call));
 719 }
 720
 721 void
 722 empathy_tp_call_remove_preview_video (EmpathyTpCall *call,
 723                                       guint preview_video_socket_id)
 724 {
 725   EmpathyTpCallPriv *priv = GET_PRIV (call);
 726
 727   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 728
 729   DEBUG ("Removing preview video");
 730
 731   emp_cli_stream_engine_call_remove_preview_window (priv->stream_engine, -1,
 732       preview_video_socket_id,
 733       tp_call_async_cb,
 734       "removing preview window", NULL,
 735       G_OBJECT (call));
 736 }
 737
 738 void
 739 empathy_tp_call_add_output_video (EmpathyTpCall *call,
 740                                   guint output_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 output video - socket: %d", output_video_socket_id);
 747
 748   emp_cli_stream_engine_call_set_output_window (priv->stream_engine, -1,
 749       TP_PROXY (priv->channel)->object_path,
 750       priv->video->id, output_video_socket_id,
 751       tp_call_async_cb,
 752       "setting output window", NULL,
 753       G_OBJECT (call));
 754 }
 755
 756 void
 757 empathy_tp_call_set_output_volume (EmpathyTpCall *call,
 758                                    guint volume)
 759 {
 760   EmpathyTpCallPriv *priv = GET_PRIV (call);
 761
 762   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 763   g_return_if_fail (priv->status != EMPATHY_TP_CALL_STATUS_CLOSED);
 764
 765   DEBUG ("Setting output volume: %d", volume);
 766
 767   emp_cli_stream_engine_call_set_output_volume (priv->stream_engine, -1,
 768       TP_PROXY (priv->channel)->object_path,
 769       priv->audio->id, volume,
 770       tp_call_async_cb,
 771       "setting output volume", NULL,
 772       G_OBJECT (call));
 773 }
 774
 775 void
 776 empathy_tp_call_mute_output (EmpathyTpCall *call,
 777                              gboolean is_muted)
 778 {
 779   EmpathyTpCallPriv *priv = GET_PRIV (call);
 780
 781   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 782
 783   DEBUG ("Setting output mute: %d", is_muted);
 784
 785   emp_cli_stream_engine_call_mute_output (priv->stream_engine, -1,
 786       TP_PROXY (priv->channel)->object_path,
 787       priv->audio->id, is_muted,
 788       tp_call_async_cb,
 789       "muting output", NULL,
 790       G_OBJECT (call));
 791 }
 792
 793 void
 794 empathy_tp_call_mute_input (EmpathyTpCall *call,
 795                             gboolean is_muted)
 796 {
 797   EmpathyTpCallPriv *priv = GET_PRIV (call);
 798
 799   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 800
 801   DEBUG ("Setting input mute: %d", is_muted);
 802
 803   emp_cli_stream_engine_call_mute_input (priv->stream_engine, -1,
 804       TP_PROXY (priv->channel)->object_path,
 805       priv->audio->id, is_muted,
 806       tp_call_async_cb,
 807       "muting input", NULL,
 808       G_OBJECT (call));
 809 }
 810
 811 void
 812 empathy_tp_call_start_tone (EmpathyTpCall *call, TpDTMFEvent event)
 813 {
 814   EmpathyTpCallPriv *priv = GET_PRIV (call);
 815
 816   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 817   g_return_if_fail (priv->status == EMPATHY_TP_CALL_STATUS_ACCEPTED);
 818
 819   if (!priv->audio->exists)
 820       return;
 821
 822   tp_cli_channel_interface_dtmf_call_start_tone (priv->channel, -1,
 823       priv->audio->id, event,
 824       (tp_cli_channel_interface_dtmf_callback_for_start_tone) tp_call_async_cb,
 825       "starting tone", NULL, G_OBJECT (call));
 826 }
 827
 828 void
 829 empathy_tp_call_stop_tone (EmpathyTpCall *call)
 830 {
 831   EmpathyTpCallPriv *priv = GET_PRIV (call);
 832
 833   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 834   g_return_if_fail (priv->status == EMPATHY_TP_CALL_STATUS_ACCEPTED);
 835
 836   if (!priv->audio->exists)
 837       return;
 838
 839   tp_cli_channel_interface_dtmf_call_stop_tone (priv->channel, -1,
 840       priv->audio->id,
 841       (tp_cli_channel_interface_dtmf_callback_for_stop_tone) tp_call_async_cb,
 842       "stoping tone", NULL, G_OBJECT (call));
 843 }
 844
 845 gboolean
 846 empathy_tp_call_has_dtmf (EmpathyTpCall *call)
 847 {
 848   EmpathyTpCallPriv *priv = GET_PRIV (call);
 849
 850   g_return_val_if_fail (EMPATHY_IS_TP_CALL (call), FALSE);
 851
 852   return tp_proxy_has_interface_by_id (priv->channel,
 853       TP_IFACE_QUARK_CHANNEL_INTERFACE_DTMF);
 854 }
 855