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