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     }
 286
 287   if (priv->status == EMPATHY_TP_CALL_STATUS_PENDING &&
 288       ((priv->is_incoming && contact != priv->contact) ||
 289        (!priv->is_incoming && contact == priv->contact)))
 290     {
 291       priv->status = EMPATHY_TP_CALL_STATUS_ACCEPTED;
 292       g_object_notify (G_OBJECT (call), "status");
 293     }
 294   g_object_unref (call);
 295 }
 296
 297 void
 298 empathy_tp_call_to (EmpathyTpCall *call, EmpathyContact *contact)
 299 {
 300   EmpathyTpCallPriv *priv = GET_PRIV (call);
 301
 302   priv->contact = g_object_ref (contact);
 303   priv->is_incoming = FALSE;
 304   priv->status = EMPATHY_TP_CALL_STATUS_PENDING;
 305   g_object_notify (G_OBJECT (call), "is-incoming");
 306   g_object_notify (G_OBJECT (call), "contact");
 307   g_object_notify (G_OBJECT (call), "status");
 308   tp_call_request_streams_for_capabilities (call,
 309      EMPATHY_CAPABILITIES_AUDIO);
 310 }
 311
 312 static void
 313 tp_call_channel_invalidated_cb (TpChannel     *channel,
 314                                 GQuark         domain,
 315                                 gint           code,
 316                                 gchar         *message,
 317                                 EmpathyTpCall *call)
 318 {
 319   EmpathyTpCallPriv *priv = GET_PRIV (call);
 320
 321   DEBUG ("Channel invalidated: %s", message);
 322   priv->status = EMPATHY_TP_CALL_STATUS_CLOSED;
 323   g_object_notify (G_OBJECT (call), "status");
 324 }
 325
 326 static void
 327 tp_call_async_cb (TpProxy *proxy,
 328                   const GError *error,
 329                   gpointer user_data,
 330                   GObject *call)
 331 {
 332   if (error)
 333       DEBUG ("Error %s: %s", (gchar*) user_data, error->message);
 334 }
 335
 336 static void
 337 tp_call_close_channel (EmpathyTpCall *call)
 338 {
 339   EmpathyTpCallPriv *priv = GET_PRIV (call);
 340
 341   if (priv->status == EMPATHY_TP_CALL_STATUS_CLOSED)
 342       return;
 343
 344   DEBUG ("Closing channel");
 345
 346   tp_cli_channel_call_close (priv->channel, -1,
 347       NULL, NULL, NULL, NULL);
 348
 349   priv->status = EMPATHY_TP_CALL_STATUS_CLOSED;
 350   g_object_notify (G_OBJECT (call), "status");
 351 }
 352
 353 static void
 354 tp_call_stream_engine_invalidated_cb (TpProxy       *stream_engine,
 355                                       GQuark         domain,
 356                                       gint           code,
 357                                       gchar         *message,
 358                                       EmpathyTpCall *call)
 359 {
 360   DEBUG ("Stream engine proxy invalidated: %s", message);
 361   tp_call_close_channel (call);
 362 }
 363
 364 static void
 365 tp_call_stream_engine_watch_name_owner_cb (TpDBusDaemon *daemon,
 366                                            const gchar *name,
 367                                            const gchar *new_owner,
 368                                            gpointer call)
 369 {
 370   EmpathyTpCallPriv *priv = GET_PRIV (call);
 371
 372   /* G_STR_EMPTY(new_owner) means either stream-engine has not started yet or
 373    * has crashed. We want to close the channel if stream-engine has crashed.
 374    * */
 375   DEBUG ("Watch SE: name='%s' SE running='%s' new_owner='%s'",
 376       name, priv->stream_engine_running ? "yes" : "no",
 377       new_owner ? new_owner : "none");
 378   if (priv->stream_engine_running && G_STR_EMPTY (new_owner))
 379     {
 380       DEBUG ("Stream engine falled off the bus");
 381       tp_call_close_channel (call);
 382       return;
 383     }
 384
 385   priv->stream_engine_running = !G_STR_EMPTY (new_owner);
 386 }
 387
 388 static void
 389 tp_call_stream_engine_handle_channel (EmpathyTpCall *call)
 390 {
 391   EmpathyTpCallPriv *priv = GET_PRIV (call);
 392   gchar *channel_type;
 393   gchar *object_path;
 394   guint handle_type;
 395   guint handle;
 396   TpProxy *connection;
 397
 398   DEBUG ("Revving up the stream engine");
 399
 400   priv->stream_engine = g_object_new (TP_TYPE_PROXY,
 401       "bus-name", STREAM_ENGINE_BUS_NAME,
 402       "dbus-connection", tp_get_bus (),
 403       "object-path", STREAM_ENGINE_OBJECT_PATH,
 404        NULL);
 405   tp_proxy_add_interface_by_id (priv->stream_engine,
 406       EMP_IFACE_QUARK_STREAM_ENGINE);
 407   tp_proxy_add_interface_by_id (priv->stream_engine,
 408       EMP_IFACE_QUARK_CHANNEL_HANDLER);
 409
 410   g_signal_connect (priv->stream_engine, "invalidated",
 411       G_CALLBACK (tp_call_stream_engine_invalidated_cb),
 412       call);
 413
 414   /* FIXME: dbus daemon should be unique */
 415   priv->dbus_daemon = tp_dbus_daemon_new (tp_get_bus ());
 416   tp_dbus_daemon_watch_name_owner (priv->dbus_daemon, STREAM_ENGINE_BUS_NAME,
 417       tp_call_stream_engine_watch_name_owner_cb,
 418       call, NULL);
 419
 420   g_object_get (priv->channel,
 421       "connection", &connection,
 422       "channel-type", &channel_type,
 423       "object-path", &object_path,
 424       "handle_type", &handle_type,
 425       "handle", &handle,
 426       NULL);
 427
 428   emp_cli_channel_handler_call_handle_channel (priv->stream_engine, -1,
 429         connection->bus_name,
 430         connection->object_path,
 431         channel_type, object_path, handle_type, handle,
 432         tp_call_async_cb, "calling handle channel", NULL,
 433         G_OBJECT (call));
 434
 435   g_object_unref (connection);
 436   g_free (channel_type);
 437   g_free (object_path);
 438 }
 439
 440 static GObject *
 441 tp_call_constructor (GType type,
 442                      guint n_construct_params,
 443                      GObjectConstructParam *construct_params)
 444 {
 445   GObject *object;
 446   EmpathyTpCall *call;
 447   EmpathyTpCallPriv *priv;
 448
 449   object = G_OBJECT_CLASS (empathy_tp_call_parent_class)->constructor (type,
 450       n_construct_params, construct_params);
 451
 452   call = EMPATHY_TP_CALL (object);
 453   priv = GET_PRIV (call);
 454
 455   /* Setup streamed media channel */
 456   g_signal_connect (priv->channel, "invalidated",
 457       G_CALLBACK (tp_call_channel_invalidated_cb), call);
 458   tp_cli_channel_type_streamed_media_connect_to_stream_added (priv->channel,
 459       tp_call_stream_added_cb, NULL, NULL, G_OBJECT (call), NULL);
 460   tp_cli_channel_type_streamed_media_connect_to_stream_removed (priv->channel,
 461       tp_call_stream_removed_cb, NULL, NULL, G_OBJECT (call), NULL);
 462   tp_cli_channel_type_streamed_media_connect_to_stream_state_changed (priv->channel,
 463       tp_call_stream_state_changed_cb, NULL, NULL, G_OBJECT (call), NULL);
 464   tp_cli_channel_type_streamed_media_connect_to_stream_direction_changed (priv->channel,
 465       tp_call_stream_direction_changed_cb, NULL, NULL, G_OBJECT (call), NULL);
 466   tp_cli_channel_type_streamed_media_call_list_streams (priv->channel, -1,
 467       tp_call_request_streams_cb, NULL, NULL, G_OBJECT (call));
 468
 469   /* Setup group interface */
 470   priv->group = empathy_tp_group_new (priv->channel);
 471
 472   g_signal_connect (priv->group, "member-added",
 473       G_CALLBACK (tp_call_member_added_cb), call);
 474
 475   /* Start stream engine */
 476   tp_call_stream_engine_handle_channel (call);
 477
 478   return object;
 479 }
 480
 481 static void
 482 tp_call_finalize (GObject *object)
 483 {
 484   EmpathyTpCallPriv *priv = GET_PRIV (object);
 485
 486   DEBUG ("Finalizing: %p", object);
 487
 488   g_slice_free (EmpathyTpCallStream, priv->audio);
 489   g_slice_free (EmpathyTpCallStream, priv->video);
 490   g_object_unref (priv->group);
 491
 492   if (priv->channel != NULL)
 493     {
 494       empathy_tp_call_close (EMPATHY_TP_CALL (object));
 495     }
 496
 497   if (priv->stream_engine != NULL)
 498     {
 499       g_signal_handlers_disconnect_by_func (priv->stream_engine,
 500           tp_call_stream_engine_invalidated_cb, object);
 501       g_object_unref (priv->stream_engine);
 502     }
 503
 504   if (priv->contact != NULL)
 505       g_object_unref (priv->contact);
 506
 507   if (priv->dbus_daemon != NULL)
 508     {
 509       tp_dbus_daemon_cancel_name_owner_watch (priv->dbus_daemon,
 510           STREAM_ENGINE_BUS_NAME,
 511           tp_call_stream_engine_watch_name_owner_cb,
 512           object);
 513       g_object_unref (priv->dbus_daemon);
 514     }
 515
 516   (G_OBJECT_CLASS (empathy_tp_call_parent_class)->finalize) (object);
 517 }
 518
 519 static void
 520 tp_call_set_property (GObject *object,
 521                       guint prop_id,
 522                       const GValue *value,
 523                       GParamSpec *pspec)
 524 {
 525   EmpathyTpCallPriv *priv = GET_PRIV (object);
 526
 527   switch (prop_id)
 528     {
 529     case PROP_CHANNEL:
 530       priv->channel = g_value_dup_object (value);
 531       break;
 532     default:
 533       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 534       break;
 535   }
 536 }
 537
 538 static void
 539 tp_call_get_property (GObject *object,
 540                       guint prop_id,
 541                       GValue *value,
 542                       GParamSpec *pspec)
 543 {
 544   EmpathyTpCallPriv *priv = GET_PRIV (object);
 545
 546   switch (prop_id)
 547     {
 548     case PROP_CHANNEL:
 549       g_value_set_object (value, priv->channel);
 550       break;
 551     case PROP_CONTACT:
 552       g_value_set_object (value, priv->contact);
 553       break;
 554     case PROP_IS_INCOMING:
 555       g_value_set_boolean (value, priv->is_incoming);
 556       break;
 557     case PROP_STATUS:
 558       g_value_set_uint (value, priv->status);
 559       break;
 560     case PROP_AUDIO_STREAM:
 561       g_value_set_pointer (value, priv->audio);
 562       break;
 563     case PROP_VIDEO_STREAM:
 564       g_value_set_pointer (value, priv->video);
 565       break;
 566     default:
 567       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 568       break;
 569   }
 570 }
 571
 572 static void
 573 empathy_tp_call_class_init (EmpathyTpCallClass *klass)
 574 {
 575   GObjectClass *object_class = G_OBJECT_CLASS (klass);
 576
 577   object_class->constructor = tp_call_constructor;
 578   object_class->finalize = tp_call_finalize;
 579   object_class->set_property = tp_call_set_property;
 580   object_class->get_property = tp_call_get_property;
 581
 582   g_type_class_add_private (klass, sizeof (EmpathyTpCallPriv));
 583
 584   g_object_class_install_property (object_class, PROP_CHANNEL,
 585       g_param_spec_object ("channel", "channel", "channel",
 586       TP_TYPE_CHANNEL,
 587       G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE |
 588       G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
 589   g_object_class_install_property (object_class, PROP_CONTACT,
 590       g_param_spec_object ("contact", "Call contact", "Call contact",
 591       EMPATHY_TYPE_CONTACT,
 592       G_PARAM_READABLE | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
 593   g_object_class_install_property (object_class, PROP_IS_INCOMING,
 594       g_param_spec_boolean ("is-incoming", "Is media stream incoming",
 595       "Is media stream incoming", FALSE, G_PARAM_READABLE |
 596       G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
 597   g_object_class_install_property (object_class, PROP_STATUS,
 598       g_param_spec_uint ("status", "Call status",
 599       "Call status", 0, 255, 0, G_PARAM_READABLE | G_PARAM_STATIC_NICK |
 600       G_PARAM_STATIC_BLURB));
 601   g_object_class_install_property (object_class, PROP_AUDIO_STREAM,
 602       g_param_spec_pointer ("audio-stream", "Audio stream data",
 603       "Audio stream data",
 604       G_PARAM_READABLE | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
 605   g_object_class_install_property (object_class, PROP_VIDEO_STREAM,
 606       g_param_spec_pointer ("video-stream", "Video stream data",
 607       "Video stream data",
 608       G_PARAM_READABLE | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
 609 }
 610
 611 static void
 612 empathy_tp_call_init (EmpathyTpCall *call)
 613 {
 614   EmpathyTpCallPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (call,
 615     EMPATHY_TYPE_TP_CALL, EmpathyTpCallPriv);
 616
 617   call->priv = priv;
 618   priv->status = EMPATHY_TP_CALL_STATUS_READYING;
 619   priv->contact = NULL;
 620   priv->stream_engine_running = FALSE;
 621   priv->audio = g_slice_new0 (EmpathyTpCallStream);
 622   priv->video = g_slice_new0 (EmpathyTpCallStream);
 623   priv->audio->exists = FALSE;
 624   priv->video->exists = FALSE;
 625 }
 626
 627 EmpathyTpCall *
 628 empathy_tp_call_new (TpChannel *channel)
 629 {
 630   g_return_val_if_fail (TP_IS_CHANNEL (channel), NULL);
 631
 632   return g_object_new (EMPATHY_TYPE_TP_CALL,
 633       "channel", channel,
 634       NULL);
 635 }
 636
 637 void
 638 empathy_tp_call_accept_incoming_call (EmpathyTpCall *call)
 639 {
 640   EmpathyTpCallPriv *priv = GET_PRIV (call);
 641   EmpathyContact *self_contact;
 642
 643   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 644   g_return_if_fail (priv->status == EMPATHY_TP_CALL_STATUS_PENDING);
 645
 646   DEBUG ("Accepting incoming call");
 647
 648   self_contact = empathy_tp_group_get_self_contact (priv->group);
 649   empathy_tp_group_add_member (priv->group, self_contact, NULL);
 650   g_object_unref (self_contact);
 651 }
 652
 653 void
 654 empathy_tp_call_close (EmpathyTpCall *call)
 655 {
 656   EmpathyTpCallPriv *priv = GET_PRIV (call);
 657
 658   g_signal_handlers_disconnect_by_func (priv->channel,
 659     tp_call_channel_invalidated_cb, call);
 660
 661   tp_call_close_channel (call);
 662
 663   g_object_unref (priv->channel);
 664   priv->channel = NULL;
 665 }
 666
 667 void
 668 empathy_tp_call_request_video_stream_direction (EmpathyTpCall *call,
 669                                                 gboolean is_sending)
 670 {
 671   EmpathyTpCallPriv *priv = GET_PRIV (call);
 672   guint new_direction;
 673
 674   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 675   g_return_if_fail (priv->status == EMPATHY_TP_CALL_STATUS_ACCEPTED);
 676
 677   DEBUG ("Requesting video stream direction - is_sending: %d", is_sending);
 678
 679   if (!priv->video->exists)
 680     {
 681       if (is_sending)
 682           tp_call_request_streams_for_capabilities (call,
 683               EMPATHY_CAPABILITIES_VIDEO);
 684       return;
 685     }
 686
 687   if (is_sending)
 688       new_direction = priv->video->direction | TP_MEDIA_STREAM_DIRECTION_SEND;
 689   else
 690       new_direction = priv->video->direction & ~TP_MEDIA_STREAM_DIRECTION_SEND;
 691
 692   tp_cli_channel_type_streamed_media_call_request_stream_direction (priv->channel,
 693       -1, priv->video->id, new_direction,
 694       (tp_cli_channel_type_streamed_media_callback_for_request_stream_direction)
 695       tp_call_async_cb, NULL, NULL, G_OBJECT (call));
 696 }
 697
 698 void
 699 empathy_tp_call_add_preview_video (EmpathyTpCall *call,
 700                                    guint preview_video_socket_id)
 701 {
 702   EmpathyTpCallPriv *priv = GET_PRIV (call);
 703
 704   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 705
 706   DEBUG ("Adding preview video");
 707
 708   emp_cli_stream_engine_call_add_preview_window (priv->stream_engine, -1,
 709       preview_video_socket_id,
 710       tp_call_async_cb,
 711       "adding preview window", NULL,
 712       G_OBJECT (call));
 713 }
 714
 715 void
 716 empathy_tp_call_remove_preview_video (EmpathyTpCall *call,
 717                                       guint preview_video_socket_id)
 718 {
 719   EmpathyTpCallPriv *priv = GET_PRIV (call);
 720
 721   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 722
 723   DEBUG ("Removing preview video");
 724
 725   emp_cli_stream_engine_call_remove_preview_window (priv->stream_engine, -1,
 726       preview_video_socket_id,
 727       tp_call_async_cb,
 728       "removing preview window", NULL,
 729       G_OBJECT (call));
 730 }
 731
 732 void
 733 empathy_tp_call_add_output_video (EmpathyTpCall *call,
 734                                   guint output_video_socket_id)
 735 {
 736   EmpathyTpCallPriv *priv = GET_PRIV (call);
 737
 738   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 739
 740   DEBUG ("Adding output video - socket: %d", output_video_socket_id);
 741
 742   emp_cli_stream_engine_call_set_output_window (priv->stream_engine, -1,
 743       TP_PROXY (priv->channel)->object_path,
 744       priv->video->id, output_video_socket_id,
 745       tp_call_async_cb,
 746       "setting output window", NULL,
 747       G_OBJECT (call));
 748 }
 749
 750 void
 751 empathy_tp_call_set_output_volume (EmpathyTpCall *call,
 752                                    guint volume)
 753 {
 754   EmpathyTpCallPriv *priv = GET_PRIV (call);
 755
 756   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 757   g_return_if_fail (priv->status != EMPATHY_TP_CALL_STATUS_CLOSED);
 758
 759   DEBUG ("Setting output volume: %d", volume);
 760
 761   emp_cli_stream_engine_call_set_output_volume (priv->stream_engine, -1,
 762       TP_PROXY (priv->channel)->object_path,
 763       priv->audio->id, volume,
 764       tp_call_async_cb,
 765       "setting output volume", NULL,
 766       G_OBJECT (call));
 767 }
 768
 769 void
 770 empathy_tp_call_mute_output (EmpathyTpCall *call,
 771                              gboolean is_muted)
 772 {
 773   EmpathyTpCallPriv *priv = GET_PRIV (call);
 774
 775   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 776
 777   DEBUG ("Setting output mute: %d", is_muted);
 778
 779   emp_cli_stream_engine_call_mute_output (priv->stream_engine, -1,
 780       TP_PROXY (priv->channel)->object_path,
 781       priv->audio->id, is_muted,
 782       tp_call_async_cb,
 783       "muting output", NULL,
 784       G_OBJECT (call));
 785 }
 786
 787 void
 788 empathy_tp_call_mute_input (EmpathyTpCall *call,
 789                             gboolean is_muted)
 790 {
 791   EmpathyTpCallPriv *priv = GET_PRIV (call);
 792
 793   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 794
 795   DEBUG ("Setting input mute: %d", is_muted);
 796
 797   emp_cli_stream_engine_call_mute_input (priv->stream_engine, -1,
 798       TP_PROXY (priv->channel)->object_path,
 799       priv->audio->id, is_muted,
 800       tp_call_async_cb,
 801       "muting input", NULL,
 802       G_OBJECT (call));
 803 }
 804
 805 void
 806 empathy_tp_call_start_tone (EmpathyTpCall *call, TpDTMFEvent event)
 807 {
 808   EmpathyTpCallPriv *priv = GET_PRIV (call);
 809
 810   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 811   g_return_if_fail (priv->status == EMPATHY_TP_CALL_STATUS_ACCEPTED);
 812
 813   if (!priv->audio->exists)
 814       return;
 815
 816   tp_cli_channel_interface_dtmf_call_start_tone (priv->channel, -1,
 817       priv->audio->id, event,
 818       (tp_cli_channel_interface_dtmf_callback_for_start_tone) tp_call_async_cb,
 819       "starting tone", NULL, G_OBJECT (call));
 820 }
 821
 822 void
 823 empathy_tp_call_stop_tone (EmpathyTpCall *call)
 824 {
 825   EmpathyTpCallPriv *priv = GET_PRIV (call);
 826
 827   g_return_if_fail (EMPATHY_IS_TP_CALL (call));
 828   g_return_if_fail (priv->status == EMPATHY_TP_CALL_STATUS_ACCEPTED);
 829
 830   if (!priv->audio->exists)
 831       return;
 832
 833   tp_cli_channel_interface_dtmf_call_stop_tone (priv->channel, -1,
 834       priv->audio->id,
 835       (tp_cli_channel_interface_dtmf_callback_for_stop_tone) tp_call_async_cb,
 836       "stoping tone", NULL, G_OBJECT (call));
 837 }
 838
 839 gboolean
 840 empathy_tp_call_has_dtmf (EmpathyTpCall *call)
 841 {
 842   EmpathyTpCallPriv *priv = GET_PRIV (call);
 843
 844   g_return_val_if_fail (EMPATHY_IS_TP_CALL (call), FALSE);
 845
 846   return tp_proxy_has_interface_by_id (priv->channel,
 847       TP_IFACE_QUARK_CHANNEL_INTERFACE_DTMF);
 848 }
 849