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_request_streams (EmpathyTpCall *call)
 271 {
 272   EmpathyTpCallPriv *priv = GET_PRIV (call);
 273
 274   tp_call_request_streams_for_capabilities (call,
 275       empathy_contact_get_capabilities (priv->contact));
 276 }
 277
 278 static void
 279 tp_call_member_added_cb (EmpathyTpGroup *group,
 280                          EmpathyContact *contact,
 281                          EmpathyContact *actor,
 282                          guint reason,
 283                          const gchar *message,
 284                          EmpathyTpCall *call)
 285 {
 286   EmpathyTpCallPriv *priv = GET_PRIV (call);
 287
 288   if (!priv->contact && !empathy_contact_is_user (contact))
 289     {
 290       priv->contact = g_object_ref (contact);
 291       priv->is_incoming = TRUE;
 292       priv->status = EMPATHY_TP_CALL_STATUS_PENDING;
 293       tp_call_request_streams (call);
 294       g_object_notify (G_OBJECT (call), "is-incoming");
 295       g_object_notify (G_OBJECT (call), "contact");
 296       g_object_notify (G_OBJECT (call), "status");
 297     }
 298
 299   if (priv->status == EMPATHY_TP_CALL_STATUS_PENDING &&
 300       ((priv->is_incoming && contact != priv->contact) ||
 301        (!priv->is_incoming && contact == priv->contact)))
 302     {
 303       priv->status = EMPATHY_TP_CALL_STATUS_ACCEPTED;
 304       g_object_notify (G_OBJECT (call), "status");
 305     }
 306 }
 307
 308 static void
 309 tp_call_remote_pending_cb (EmpathyTpGroup *group,
 310                            EmpathyContact *contact,
 311                            EmpathyContact *actor,
 312                            guint reason,
 313                            const gchar *message,
 314                            EmpathyTpCall *call)
 315 {
 316   EmpathyTpCallPriv *priv = GET_PRIV (call);
 317
 318   if (!priv->contact && !empathy_contact_is_user (contact))
 319     {
 320       priv->contact = g_object_ref (contact);
 321       priv->is_incoming = FALSE;
 322       priv->status = EMPATHY_TP_CALL_STATUS_PENDING;
 323       tp_call_request_streams (call);
 324       g_object_notify (G_OBJECT (call), "is-incoming");
 325       g_object_notify (G_OBJECT (call), "contact");
 326       g_object_notify (G_OBJECT (call), "status");
 327     }
 328 }
 329
 330 static void
 331 tp_call_channel_invalidated_cb (TpChannel     *channel,
 332                                 GQuark         domain,
 333                                 gint           code,
 334                                 gchar         *message,
 335                                 EmpathyTpCall *call)
 336 {
 337   EmpathyTpCallPriv *priv = GET_PRIV (call);
 338
 339   DEBUG ("Channel invalidated: %s", message);
 340   priv->status = EMPATHY_TP_CALL_STATUS_CLOSED;
 341   g_object_notify (G_OBJECT (call), "status");
 342 }
 343
 344 static void
 345 tp_call_async_cb (TpProxy *proxy,
 346                   const GError *error,
 347                   gpointer user_data,
 348                   GObject *call)
 349 {
 350   if (error)
 351       DEBUG ("Error %s: %s", (gchar*) user_data, error->message);
 352 }
 353
 354 static void
 355 tp_call_close_channel (EmpathyTpCall *call)
 356 {
 357   EmpathyTpCallPriv *priv = GET_PRIV (call);
 358
 359   if (priv->status == EMPATHY_TP_CALL_STATUS_CLOSED)
 360       return;
 361
 362   DEBUG ("Closing channel");
 363
 364   tp_cli_channel_call_close (priv->channel, -1,
 365       NULL, NULL, NULL, NULL);
 366
 367   priv->status = EMPATHY_TP_CALL_STATUS_CLOSED;
 368   g_object_notify (G_OBJECT (call), "status");
 369 }
 370
 371 static void
 372 tp_call_stream_engine_invalidated_cb (TpProxy       *stream_engine,
 373                                       GQuark         domain,
 374                                       gint           code,
 375                                       gchar         *message,
 376                                       EmpathyTpCall *call)
 377 {
 378   DEBUG ("Stream engine proxy invalidated: %s", message);
 379   tp_call_close_channel (call);
 380 }
 381
 382 static void
 383 tp_call_stream_engine_watch_name_owner_cb (TpDBusDaemon *daemon,
 384                                            const gchar *name,
 385                                            const gchar *new_owner,
 386                                            gpointer call)
 387 {
 388   EmpathyTpCallPriv *priv = GET_PRIV (call);
 389
 390   /* G_STR_EMPTY(new_owner) means either stream-engine has not started yet or
 391    * has crashed. We want to close the channel if stream-engine has crashed.
 392    * */
 393   DEBUG ("Watch SE: name='%s' SE running='%s' new_owner='%s'",
 394       name, priv->stream_engine_running ? "yes" : "no",
 395       new_owner ? new_owner : "none");
 396   if (priv->stream_engine_running && G_STR_EMPTY (new_owner))
 397     {
 398       DEBUG ("Stream engine falled off the bus");
 399       tp_call_close_channel (call);
 400       return;
 401     }
 402
 403   priv->stream_engine_running = !G_STR_EMPTY (new_owner);
 404 }
 405
 406 static void
 407 tp_call_stream_engine_handle_channel (EmpathyTpCall *call)
 408 {
 409   EmpathyTpCallPriv *priv = GET_PRIV (call);
 410   gchar *channel_type;
 411   gchar *object_path;
 412   guint handle_type;
 413   guint handle;
 414   TpProxy *connection;
 415
 416   DEBUG ("Revving up the stream engine");
 417
 418   priv->stream_engine = g_object_new (TP_TYPE_PROXY,
 419       "bus-name", STREAM_ENGINE_BUS_NAME,
 420       "dbus-connection", tp_get_bus (),
 421       "object-path", STREAM_ENGINE_OBJECT_PATH,
 422        NULL);
 423   tp_proxy_add_interface_by_id (priv->stream_engine,
 424       EMP_IFACE_QUARK_STREAM_ENGINE);
 425   tp_proxy_add_interface_by_id (priv->stream_engine,
 426       EMP_IFACE_QUARK_CHANNEL_HANDLER);
 427
 428   g_signal_connect (priv->stream_engine, "invalidated",
 429       G_CALLBACK (tp_call_stream_engine_invalidated_cb),
 430       call);
 431
 432   /* FIXME: dbus daemon should be unique */
 433   priv->dbus_daemon = tp_dbus_daemon_new (tp_get_bus ());
 434   tp_dbus_daemon_watch_name_owner (priv->dbus_daemon, STREAM_ENGINE_BUS_NAME,
 435       tp_call_stream_engine_watch_name_owner_cb,
 436       call, NULL);
 437
 438   g_object_get (priv->channel,
 439       "connection", &connection,
 440       "channel-type", &channel_type,
 441       "object-path", &object_path,
 442       "handle_type", &handle_type,
 443       "handle", &handle,
 444       NULL);
 445
 446   emp_cli_channel_handler_call_handle_channel (priv->stream_engine, -1,
 447         connection->bus_name,
 448         connection->object_path,
 449         channel_type, object_path, handle_type, handle,
 450         tp_call_async_cb, "calling handle channel", NULL,
 451         G_OBJECT (call));
 452
 453   g_object_unref (connection);
 454   g_free (channel_type);
 455   g_free (object_path);
 456 }
 457
 458 static GObject *
 459 tp_call_constructor (GType type,
 460                      guint n_construct_params,
 461                      GObjectConstructParam *construct_params)
 462 {
 463   GObject *object;
 464   EmpathyTpCall *call;
 465   EmpathyTpCallPriv *priv;
 466
 467   object = G_OBJECT_CLASS (empathy_tp_call_parent_class)->constructor (type,
 468       n_construct_params, construct_params);
 469
 470   call = EMPATHY_TP_CALL (object);
 471   priv = GET_PRIV (call);
 472
 473   /* Setup streamed media channel */
 474   g_signal_connect (priv->channel, "invalidated",
 475       G_CALLBACK (tp_call_channel_invalidated_cb), call);
 476   tp_cli_channel_type_streamed_media_connect_to_stream_added (priv->channel,
 477       tp_call_stream_added_cb, NULL, NULL, G_OBJECT (call), NULL);
 478   tp_cli_channel_type_streamed_media_connect_to_stream_removed (priv->channel,
 479       tp_call_stream_removed_cb, NULL, NULL, G_OBJECT (call), NULL);
 480   tp_cli_channel_type_streamed_media_connect_to_stream_state_changed (priv->channel,
 481       tp_call_stream_state_changed_cb, NULL, NULL, G_OBJECT (call), NULL);
 482   tp_cli_channel_type_streamed_media_connect_to_stream_direction_changed (priv->channel,
 483       tp_call_stream_direction_changed_cb, NULL, NULL, G_OBJECT (call), NULL);
 484   tp_cli_channel_type_streamed_media_call_list_streams (priv->channel, -1,
 485       tp_call_request_streams_cb, NULL, NULL, G_OBJECT (call));
 486
 487   /* Setup group interface */
 488   priv->group = empathy_tp_group_new (priv->channel);
 489
 490   g_signal_connect (priv->group, "member-added",
 491       G_CALLBACK (tp_call_member_added_cb), call);
 492   g_signal_connect (priv->group, "remote-pending",
 493       G_CALLBACK (tp_call_remote_pending_cb), call);
 494
 495   /* Start stream engine */
 496   tp_call_stream_engine_handle_channel (call);
 497
 498   return object;
 499 }
 500
 501 static void
 502 tp_call_finalize (GObject *object)
 503 {
 504   EmpathyTpCallPriv *priv = GET_PRIV (object);
 505
 506   DEBUG ("Finalizing: %p", object);
 507
 508   g_slice_free (EmpathyTpCallStream, priv->audio);
 509   g_slice_free (EmpathyTpCallStream, priv->video);
 510   g_object_unref (priv->group);
 511
 512   if (priv->channel != NULL)
 513     {
 514       g_signal_handlers_disconnect_by_func (priv->channel,
 515           tp_call_channel_invalidated_cb, object);
 516       tp_call_close_channel (EMPATHY_TP_CALL (object));
 517       g_object_unref (priv->channel);
 518     }
 519
 520   if (priv->stream_engine != NULL)
 521     {
 522       g_signal_handlers_disconnect_by_func (priv->stream_engine,
 523           tp_call_stream_engine_invalidated_cb, object);
 524       g_object_unref (priv->stream_engine);
 525     }
 526
 527   if (priv->contact != NULL)
 528       g_object_unref (priv->contact);
 529
 530   if (priv->dbus_daemon != NULL)
 531     {
 532       tp_dbus_daemon_cancel_name_owner_watch (priv->dbus_daemon,
 533           STREAM_ENGINE_BUS_NAME,
 534           tp_call_stream_engine_watch_name_owner_cb,
 535           object);
 536       g_object_unref (priv->dbus_daemon);
 537     }
 538
 539   (G_OBJECT_CLASS (empathy_tp_call_parent_class)->finalize) (object);
 540 }
 541
 542 static void
 543 tp_call_set_property (GObject *object,
 544                       guint prop_id,
 545                       const GValue *value,
 546                       GParamSpec *pspec)
 547 {
 548   EmpathyTpCallPriv *priv = GET_PRIV (object);
 549
 550   switch (prop_id)
 551     {
 552     case PROP_CHANNEL:
 553       priv->channel = g_value_dup_object (value);
 554       break;
 555     default:
 556       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 557       break;
 558   }
 559 }
 560
 561 static void
 562 tp_call_get_property (GObject *object,
 563                       guint prop_id,
 564                       GValue *value,
 565                       GParamSpec *pspec)
 566 {
 567   EmpathyTpCallPriv *priv = GET_PRIV (object);
 568
 569   switch (prop_id)
 570     {
 571     case PROP_CHANNEL:
 572       g_value_set_object (value, priv->channel);
 573       break;
 574     case PROP_CONTACT:
 575       g_value_set_object (value, priv->contact);
 576       break;
 577     case PROP_IS_INCOMING:
 578       g_value_set_boolean (value, priv->is_incoming);
 579       break;
 580     case PROP_STATUS:
 581       g_value_set_uint (value, priv->status);
 582       break;
 583     case PROP_AUDIO_STREAM:
 584       g_value_set_pointer (value, priv->audio);
 585       break;
 586     case PROP_VIDEO_STREAM:
 587       g_value_set_pointer (value, priv->video);
 588       break;
 589     default:
 590       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 591       break;
 592   }
 593 }
 594
 595 static void
 596 empathy_tp_call_class_init (EmpathyTpCallClass *klass)
 597 {
 598   GObjectClass *object_class = G_OBJECT_CLASS (klass);
 599
 600   emp_cli_init ();
 601
 602   object_class->constructor = tp_call_constructor;
 603   object_class->finalize = tp_call_finalize;
 604   object_class->set_property = tp_call_set_property;
 605   object_class->get_property = tp_call_get_property;
 606
 607   g_type_class_add_private (klass, sizeof (EmpathyTpCallPriv));
 608
 609   g_object_class_install_property (object_class, PROP_CHANNEL,
 610       g_param_spec_object ("channel", "channel", "channel",
 611       TP_TYPE_CHANNEL,
 612       G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE |
 613       G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
 614   g_object_class_install_property (object_class, PROP_CONTACT,
 615       g_param_spec_object ("contact", "Call contact", "Call contact",
 616       EMPATHY_TYPE_CONTACT,
 617       G_PARAM_READABLE | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
 618   g_object_class_install_property (object_class, PROP_IS_INCOMING,
 619       g_param_spec_boolean ("is-incoming", "Is media stream incoming",
 620       "Is media stream incoming", FALSE, G_PARAM_READABLE |
 621       G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
 622   g_object_class_install_property (object_class, PROP_STATUS,
 623       g_param_spec_uint ("status", "Call status",
 624       "Call status", 0, 255, 0, G_PARAM_READABLE | G_PARAM_STATIC_NICK |
 625       G_PARAM_STATIC_BLURB));
 626   g_object_class_install_property (object_class, PROP_AUDIO_STREAM,
 627       g_param_spec_pointer ("audio-stream", "Audio stream data",
 628       "Audio stream data",
 629       G_PARAM_READABLE | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
 630   g_object_class_install_property (object_class, PROP_VIDEO_STREAM,
 631       g_param_spec_pointer ("video-stream", "Video stream data",
 632       "Video stream data",
 633       G_PARAM_READABLE | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
 634 }
 635
 636 static void
 637 empathy_tp_call_init (EmpathyTpCall *call)
 638 {
 639   EmpathyTpCallPriv *priv = GET_PRIV (call);
 640
 641   priv->status = EMPATHY_TP_CALL_STATUS_READYING;
 642   priv->contact = NULL;
 643   priv->stream_engine_running = FALSE;
 644   priv->audio = g_slice_new0 (EmpathyTpCallStream);
 645   priv->video = g_slice_new0 (EmpathyTpCallStream);
 646   priv->audio->exists = FALSE;
 647   priv->video->exists = FALSE;
 648 }
 649
 650 EmpathyTpCall *
 651 empathy_tp_call_new (TpChannel *channel)
 652 {
 653   g_return_val_if_fail (TP_IS_CHANNEL (channel), NULL);
 654
 655   return g_object_new (EMPATHY_TYPE_TP_CALL,
 656       "channel", channel,
 657       NULL);
 658 }
 659
 660 void
 661 empathy_tp_call_accept_incoming_call (EmpathyTpCall *call)
 662 {
 663   EmpathyTpCallPriv *priv = GET_PRIV (call);
 664   EmpathyContact *self_contact;
 665
 666   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 667   g_return_if_fail (priv->status == EMPATHY_TP_CALL_STATUS_PENDING);
 668
 669   DEBUG ("Accepting incoming call");
 670
 671   self_contact = empathy_tp_group_get_self_contact (priv->group);
 672   empathy_tp_group_add_member (priv->group, self_contact, NULL);
 673   g_object_unref (self_contact);
 674 }
 675
 676 void
 677 empathy_tp_call_request_video_stream_direction (EmpathyTpCall *call,
 678                                                 gboolean is_sending)
 679 {
 680   EmpathyTpCallPriv *priv = GET_PRIV (call);
 681   guint new_direction;
 682
 683   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 684   g_return_if_fail (priv->status == EMPATHY_TP_CALL_STATUS_ACCEPTED);
 685
 686   DEBUG ("Requesting video stream direction - is_sending: %d", is_sending);
 687
 688   if (!priv->video->exists)
 689     {
 690       if (is_sending)
 691           tp_call_request_streams_for_capabilities (call,
 692               EMPATHY_CAPABILITIES_VIDEO);
 693       return;
 694     }
 695
 696   if (is_sending)
 697       new_direction = priv->video->direction | TP_MEDIA_STREAM_DIRECTION_SEND;
 698   else
 699       new_direction = priv->video->direction & ~TP_MEDIA_STREAM_DIRECTION_SEND;
 700
 701   tp_cli_channel_type_streamed_media_call_request_stream_direction (priv->channel,
 702       -1, priv->video->id, new_direction,
 703       (tp_cli_channel_type_streamed_media_callback_for_request_stream_direction)
 704       tp_call_async_cb, NULL, NULL, G_OBJECT (call));
 705 }
 706
 707 void
 708 empathy_tp_call_add_preview_video (EmpathyTpCall *call,
 709                                    guint preview_video_socket_id)
 710 {
 711   EmpathyTpCallPriv *priv = GET_PRIV (call);
 712
 713   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 714
 715   DEBUG ("Adding preview video");
 716
 717   emp_cli_stream_engine_call_add_preview_window (priv->stream_engine, -1,
 718       preview_video_socket_id,
 719       tp_call_async_cb,
 720       "adding preview window", NULL,
 721       G_OBJECT (call));
 722 }
 723
 724 void
 725 empathy_tp_call_remove_preview_video (EmpathyTpCall *call,
 726                                       guint preview_video_socket_id)
 727 {
 728   EmpathyTpCallPriv *priv = GET_PRIV (call);
 729
 730   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 731
 732   DEBUG ("Removing preview video");
 733
 734   emp_cli_stream_engine_call_remove_preview_window (priv->stream_engine, -1,
 735       preview_video_socket_id,
 736       tp_call_async_cb,
 737       "removing preview window", NULL,
 738       G_OBJECT (call));
 739 }
 740
 741 void
 742 empathy_tp_call_add_output_video (EmpathyTpCall *call,
 743                                   guint output_video_socket_id)
 744 {
 745   EmpathyTpCallPriv *priv = GET_PRIV (call);
 746
 747   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 748
 749   DEBUG ("Adding output video - socket: %d", output_video_socket_id);
 750
 751   emp_cli_stream_engine_call_set_output_window (priv->stream_engine, -1,
 752       TP_PROXY (priv->channel)->object_path,
 753       priv->video->id, output_video_socket_id,
 754       tp_call_async_cb,
 755       "setting output window", NULL,
 756       G_OBJECT (call));
 757 }
 758
 759 void
 760 empathy_tp_call_set_output_volume (EmpathyTpCall *call,
 761                                    guint volume)
 762 {
 763   EmpathyTpCallPriv *priv = GET_PRIV (call);
 764
 765   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 766   g_return_if_fail (priv->status != EMPATHY_TP_CALL_STATUS_CLOSED);
 767
 768   DEBUG ("Setting output volume: %d", volume);
 769
 770   emp_cli_stream_engine_call_set_output_volume (priv->stream_engine, -1,
 771       TP_PROXY (priv->channel)->object_path,
 772       priv->audio->id, volume,
 773       tp_call_async_cb,
 774       "setting output volume", NULL,
 775       G_OBJECT (call));
 776 }
 777
 778 void
 779 empathy_tp_call_mute_output (EmpathyTpCall *call,
 780                              gboolean is_muted)
 781 {
 782   EmpathyTpCallPriv *priv = GET_PRIV (call);
 783
 784   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 785
 786   DEBUG ("Setting output mute: %d", is_muted);
 787
 788   emp_cli_stream_engine_call_mute_output (priv->stream_engine, -1,
 789       TP_PROXY (priv->channel)->object_path,
 790       priv->audio->id, is_muted,
 791       tp_call_async_cb,
 792       "muting output", NULL,
 793       G_OBJECT (call));
 794 }
 795
 796 void
 797 empathy_tp_call_mute_input (EmpathyTpCall *call,
 798                             gboolean is_muted)
 799 {
 800   EmpathyTpCallPriv *priv = GET_PRIV (call);
 801
 802   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 803
 804   DEBUG ("Setting input mute: %d", is_muted);
 805
 806   emp_cli_stream_engine_call_mute_input (priv->stream_engine, -1,
 807       TP_PROXY (priv->channel)->object_path,
 808       priv->audio->id, is_muted,
 809       tp_call_async_cb,
 810       "muting input", NULL,
 811       G_OBJECT (call));
 812 }
 813
 814 void
 815 empathy_tp_call_start_tone (EmpathyTpCall *call, TpDTMFEvent event)
 816 {
 817   EmpathyTpCallPriv *priv = GET_PRIV (call);
 818
 819   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 820   g_return_if_fail (priv->status == EMPATHY_TP_CALL_STATUS_ACCEPTED);
 821
 822   if (!priv->audio->exists)
 823       return;
 824
 825   tp_cli_channel_interface_dtmf_call_start_tone (priv->channel, -1,
 826       priv->audio->id, event,
 827       (tp_cli_channel_interface_dtmf_callback_for_start_tone) tp_call_async_cb,
 828       "starting tone", NULL, G_OBJECT (call));
 829 }
 830
 831 void
 832 empathy_tp_call_stop_tone (EmpathyTpCall *call)
 833 {
 834   EmpathyTpCallPriv *priv = GET_PRIV (call);
 835
 836   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 837   g_return_if_fail (priv->status == EMPATHY_TP_CALL_STATUS_ACCEPTED);
 838
 839   if (!priv->audio->exists)
 840       return;
 841
 842   tp_cli_channel_interface_dtmf_call_stop_tone (priv->channel, -1,
 843       priv->audio->id,
 844       (tp_cli_channel_interface_dtmf_callback_for_stop_tone) tp_call_async_cb,
 845       "stoping tone", NULL, G_OBJECT (call));
 846 }
 847