libempathy/empathy-tp-call.c

   1 /*
   2  *  Copyright (C) 2007 Elliot Fairweather
   3  *
   4  *  This library is free software; you can redistribute it and/or
   5  *  modify it under the terms of the GNU Lesser General Public
   6  *  License as published by the Free Software Foundation; either
   7  *  version 2.1 of the License, or (at your option) any later version.
   8  *
   9  *  This library is distributed in the hope that it will be useful,
  10  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  *  Lesser General Public License for more details.
  13  *
  14  *  You should have received a copy of the GNU Lesser General Public
  15  *  License along with this library; if not, write to the Free Software
  16  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  17  *
  18  *  Authors: Elliot Fairweather <elliot.fairweather@collabora.co.uk>
  19  */
  20
  21 #include <string.h>
  22 #include <dbus/dbus-glib.h>
  23
  24 #include <libtelepathy/tp-chan-type-streamed-media-gen.h>
  25 #include <libtelepathy/tp-connmgr.h>
  26 #include <libtelepathy/tp-helpers.h>
  27
  28 #include <libmissioncontrol/mc-account.h>
  29
  30 #include <libempathy/empathy-contact-factory.h>
  31 #include <libempathy/empathy-debug.h>
  32 #include <libempathy/empathy-tp-group.h>
  33 #include <libempathy/empathy-utils.h>
  34
  35 #include "tp-stream-engine-gen.h"
  36
  37 #include "empathy-tp-call.h"
  38
  39 #define DEBUG_DOMAIN "TpCall"
  40
  41 #define GET_PRIV(object) (G_TYPE_INSTANCE_GET_PRIVATE \
  42     ((object), EMPATHY_TYPE_TP_CALL, EmpathyTpCallPriv))
  43
  44 #define STREAM_ENGINE_BUS_NAME "org.freedesktop.Telepathy.StreamEngine"
  45 #define STREAM_ENGINE_OBJECT_PATH "/org/freedesktop/Telepathy/StreamEngine"
  46 #define STREAM_ENGINE_INTERFACE "org.freedesktop.Telepathy.StreamEngine"
  47 #define CHANNEL_HANDLER_INTERFACE "org.freedesktop.Telepathy.ChannelHandler"
  48
  49 typedef struct _EmpathyTpCallPriv EmpathyTpCallPriv;
  50
  51 struct _EmpathyTpCallPriv
  52 {
  53   TpConn *connection;
  54   TpChan *channel;
  55   EmpathyTpGroup *group;
  56   EmpathyContact *contact;
  57   gboolean is_incoming;
  58   guint status;
  59
  60   EmpathyTpCallStream *audio;
  61   EmpathyTpCallStream *video;
  62 };
  63
  64 enum
  65 {
  66   STATUS_CHANGED_SIGNAL,
  67   RECEIVING_VIDEO_SIGNAL,
  68   SENDING_VIDEO_SIGNAL,
  69   LAST_SIGNAL
  70 };
  71
  72 enum
  73 {
  74   PROP_0,
  75   PROP_CONNECTION,
  76   PROP_CHANNEL,
  77   PROP_CONTACT,
  78   PROP_IS_INCOMING,
  79   PROP_STATUS,
  80   PROP_AUDIO_STREAM,
  81   PROP_VIDEO_STREAM
  82 };
  83
  84 static guint signals[LAST_SIGNAL];
  85
  86 G_DEFINE_TYPE (EmpathyTpCall, empathy_tp_call, G_TYPE_OBJECT)
  87
  88 static void
  89 tp_call_stream_state_changed_cb (DBusGProxy *channel,
  90                                  guint stream_id,
  91                                  guint stream_state,
  92                                  EmpathyTpCall *call)
  93 {
  94   EmpathyTpCallPriv *priv = GET_PRIV (call);
  95
  96   empathy_debug (DEBUG_DOMAIN,
  97       "Stream state changed - stream id: %d, state state: %d",
  98       stream_id, stream_state);
  99
 100   if (stream_id == priv->audio->id)
 101     {
 102       priv->audio->state = stream_state;
 103     }
 104   else if (stream_id == priv->video->id)
 105     {
 106       priv->video->state = stream_state;
 107     }
 108
 109   g_signal_emit_by_name (call, "status-changed");
 110 }
 111
 112 static void
 113 tp_call_identify_streams (EmpathyTpCall *call)
 114 {
 115   EmpathyTpCallPriv *priv = GET_PRIV (call);
 116   GPtrArray *stream_infos;
 117   DBusGProxy *streamed_iface;
 118   GError *error = NULL;
 119   guint i;
 120
 121   empathy_debug (DEBUG_DOMAIN, "Identifying audio/video streams");
 122
 123   streamed_iface = tp_chan_get_interface (priv->channel,
 124       TELEPATHY_CHAN_IFACE_STREAMED_QUARK);
 125
 126   if (!tp_chan_type_streamed_media_list_streams (streamed_iface, &stream_infos,
 127         &error))
 128     {
 129       empathy_debug (DEBUG_DOMAIN, "Couldn't list audio/video streams: %s",
 130           error->message);
 131       g_clear_error (&error);
 132       return;
 133     }
 134
 135   for (i = 0; i < stream_infos->len; i++)
 136     {
 137       GValueArray *values;
 138       guint stream_id;
 139       guint stream_handle;
 140       guint stream_type;
 141       guint stream_state;
 142       guint stream_direction;
 143
 144       values = g_ptr_array_index (stream_infos, i);
 145       stream_id = g_value_get_uint (g_value_array_get_nth (values, 0));
 146       stream_handle = g_value_get_uint (g_value_array_get_nth (values, 1));
 147       stream_type = g_value_get_uint (g_value_array_get_nth (values, 2));
 148       stream_state = g_value_get_uint (g_value_array_get_nth (values, 3));
 149       stream_direction = g_value_get_uint (g_value_array_get_nth (values, 4));
 150
 151       switch (stream_type)
 152         {
 153         case TP_MEDIA_STREAM_TYPE_AUDIO:
 154           empathy_debug (DEBUG_DOMAIN,
 155               "Audio stream - id: %d, state: %d, direction: %d",
 156               stream_id, stream_state, stream_direction);
 157           priv->audio->exists = TRUE;
 158           priv->audio->id = stream_id;
 159           priv->audio->state = stream_state;
 160           priv->audio->direction = stream_direction;
 161           break;
 162         case TP_MEDIA_STREAM_TYPE_VIDEO:
 163           empathy_debug (DEBUG_DOMAIN,
 164               "Video stream - id: %d, state: %d, direction: %d",
 165               stream_id, stream_state, stream_direction);
 166           priv->video->exists = TRUE;
 167           priv->video->id = stream_id;
 168           priv->video->state = stream_state;
 169           priv->video->direction = stream_direction;
 170           break;
 171         default:
 172           empathy_debug (DEBUG_DOMAIN, "Unknown stream type: %d",
 173               stream_type);
 174         }
 175
 176       g_value_array_free (values);
 177     }
 178 }
 179
 180 static void
 181 tp_call_stream_added_cb (DBusGProxy *channel,
 182                          guint stream_id,
 183                          guint contact_handle,
 184                          guint stream_type,
 185                          EmpathyTpCall *call)
 186 {
 187   empathy_debug (DEBUG_DOMAIN,
 188       "Stream added - stream id: %d, contact handle: %d, stream type: %d",
 189       stream_id, contact_handle, stream_type);
 190
 191   tp_call_identify_streams (call);
 192 }
 193
 194
 195 static void
 196 tp_call_stream_removed_cb (DBusGProxy *channel,
 197                            guint stream_id,
 198                            EmpathyTpCall *call)
 199 {
 200   EmpathyTpCallPriv *priv = GET_PRIV (call);
 201
 202   empathy_debug (DEBUG_DOMAIN, "Stream removed - stream id: %d", stream_id);
 203
 204   if (stream_id == priv->audio->id)
 205     {
 206       priv->audio->exists = FALSE;
 207     }
 208   else if (stream_id == priv->video->id)
 209     {
 210       priv->video->exists = FALSE;
 211     }
 212 }
 213
 214 static void
 215 tp_call_channel_closed_cb (TpChan *channel,
 216                            EmpathyTpCall *call)
 217 {
 218   EmpathyTpCallPriv *priv = GET_PRIV (call);
 219   DBusGProxy *streamed_iface;
 220   DBusGProxy *group_iface;
 221
 222   empathy_debug (DEBUG_DOMAIN, "Channel closed");
 223
 224   priv->status = EMPATHY_TP_CALL_STATUS_CLOSED;
 225   g_signal_emit_by_name (call, "status-changed");
 226
 227   streamed_iface = tp_chan_get_interface (priv->channel,
 228       TELEPATHY_CHAN_IFACE_STREAMED_QUARK);
 229   group_iface = tp_chan_get_interface (priv->channel,
 230       TELEPATHY_CHAN_IFACE_GROUP_QUARK);
 231
 232   dbus_g_proxy_disconnect_signal (DBUS_G_PROXY (priv->channel), "Closed",
 233       G_CALLBACK (tp_call_channel_closed_cb), (gpointer) call);
 234   dbus_g_proxy_disconnect_signal (streamed_iface, "StreamStateChanged",
 235       G_CALLBACK (tp_call_stream_state_changed_cb), (gpointer) call);
 236   dbus_g_proxy_disconnect_signal (streamed_iface, "StreamAdded",
 237       G_CALLBACK (tp_call_stream_added_cb), (gpointer) call);
 238   dbus_g_proxy_disconnect_signal (streamed_iface, "StreamRemoved",
 239       G_CALLBACK (tp_call_stream_removed_cb), (gpointer) call);
 240 }
 241
 242 static void
 243 tp_call_stream_direction_changed_cb (DBusGProxy *channel,
 244                                      guint stream_id,
 245                                      guint stream_direction,
 246                                      guint flags,
 247                                      EmpathyTpCall *call)
 248 {
 249   EmpathyTpCallPriv *priv = GET_PRIV (call);
 250
 251   empathy_debug (DEBUG_DOMAIN,
 252       "Stream direction changed - stream: %d, direction: %d",
 253       stream_id, stream_direction);
 254
 255   if (stream_id == priv->audio->id)
 256     {
 257       priv->audio->direction = stream_direction;
 258     }
 259   else if (stream_id == priv->video->id)
 260     {
 261       priv->video->direction = stream_direction;
 262
 263       if (stream_direction & TP_MEDIA_STREAM_DIRECTION_RECEIVE)
 264         {
 265           empathy_debug (DEBUG_DOMAIN, "RECEIVING");
 266           g_signal_emit_by_name (call, "receiving-video", TRUE);
 267         }
 268       else
 269         {
 270           empathy_debug (DEBUG_DOMAIN, "NOT RECEIVING");
 271           g_signal_emit_by_name (call, "receiving-video", FALSE);
 272         }
 273
 274       if (stream_direction & TP_MEDIA_STREAM_DIRECTION_SEND)
 275         {
 276           empathy_debug (DEBUG_DOMAIN, "SENDING");
 277           g_signal_emit_by_name (call, "sending-video", TRUE);
 278         }
 279       else
 280         {
 281           empathy_debug (DEBUG_DOMAIN, "NOT SENDING");
 282           g_signal_emit_by_name (call, "sending-video", FALSE);
 283         }
 284     }
 285 }
 286
 287 static void
 288 tp_call_request_streams_for_capabilities (EmpathyTpCall *call,
 289                                           EmpathyCapabilities capabilities)
 290 {
 291   EmpathyTpCallPriv *priv = GET_PRIV (call);
 292   DBusGProxy *streamed_iface;
 293   GArray *stream_types;
 294   guint handle;
 295   guint stream_type;
 296   GError *error = NULL;
 297
 298   empathy_debug (DEBUG_DOMAIN, "Requesting new stream for capabilities %d",
 299       capabilities);
 300
 301   streamed_iface = tp_chan_get_interface (priv->channel,
 302       TELEPATHY_CHAN_IFACE_STREAMED_QUARK);
 303   stream_types = g_array_new (FALSE, FALSE, sizeof (guint));
 304   handle = empathy_contact_get_handle (priv->contact);
 305
 306   if (capabilities & EMPATHY_CAPABILITIES_AUDIO)
 307     {
 308       stream_type = TP_MEDIA_STREAM_TYPE_AUDIO;
 309       g_array_append_val (stream_types, stream_type);
 310     }
 311   if (capabilities & EMPATHY_CAPABILITIES_VIDEO)
 312     {
 313       stream_type = TP_MEDIA_STREAM_TYPE_VIDEO;
 314       g_array_append_val (stream_types, stream_type);
 315     }
 316
 317   if (!tp_chan_type_streamed_media_request_streams (streamed_iface, handle,
 318         stream_types, NULL, &error))
 319     {
 320       empathy_debug (DEBUG_DOMAIN, "Couldn't request new stream: %s",
 321           error->message);
 322       g_clear_error (&error);
 323     }
 324
 325   g_array_free (stream_types, TRUE);
 326 }
 327
 328 static void
 329 tp_call_request_streams_capabilities_cb (EmpathyContact *contact,
 330   GParamSpec *property, gpointer user_data)
 331 {
 332   EmpathyTpCall *call = EMPATHY_TP_CALL (user_data);
 333
 334   g_signal_handlers_disconnect_by_func (contact,
 335         tp_call_request_streams_capabilities_cb,
 336         user_data);
 337
 338   tp_call_request_streams_for_capabilities (call,
 339      empathy_contact_get_capabilities (contact));
 340 }
 341
 342 static void
 343 tp_call_request_streams (EmpathyTpCall *call)
 344 {
 345   EmpathyTpCallPriv *priv = GET_PRIV (call);
 346   EmpathyCapabilities capabilities;
 347   DBusGProxy *capabilities_iface;
 348
 349   empathy_debug (DEBUG_DOMAIN,
 350       "Requesting appropriate audio/video streams from contact");
 351
 352
 353   /* FIXME: SIP don't have capabilities interface but we know it supports
 354    *        only audio and not video. */
 355   capabilities_iface = tp_conn_get_interface (priv->connection,
 356       TP_IFACE_QUARK_CONNECTION_INTERFACE_CAPABILITIES);
 357   if (!capabilities_iface)
 358     {
 359       capabilities = EMPATHY_CAPABILITIES_AUDIO;
 360     }
 361   else
 362     {
 363       capabilities = empathy_contact_get_capabilities (priv->contact);
 364       if (capabilities == EMPATHY_CAPABILITIES_UNKNOWN) {
 365         g_signal_connect (G_OBJECT (priv->contact), "notify::capabilities",
 366           G_CALLBACK (tp_call_request_streams_capabilities_cb), call);
 367         return;
 368       }
 369     }
 370
 371   tp_call_request_streams_for_capabilities (call, capabilities);
 372 }
 373
 374 static void
 375 tp_call_is_ready (EmpathyTpCall *call)
 376 {
 377   EmpathyTpCallPriv *priv = GET_PRIV (call);
 378   EmpathyContact *self_contact;
 379   GList *members;
 380   GList *local_pendings;
 381   GList *remote_pendings;
 382
 383   if (priv->status > EMPATHY_TP_CALL_STATUS_READYING)
 384     return;
 385
 386   members = empathy_tp_group_get_members (priv->group);
 387   if (!members)
 388     return;
 389
 390   self_contact = empathy_tp_group_get_self_contact (priv->group);
 391   local_pendings = empathy_tp_group_get_local_pendings (priv->group);
 392   remote_pendings = empathy_tp_group_get_remote_pendings (priv->group);
 393
 394   if (local_pendings &&
 395       empathy_contact_equal (EMPATHY_CONTACT (((EmpathyPendingInfo *)
 396             local_pendings->data)->member), self_contact))
 397     {
 398       empathy_debug (DEBUG_DOMAIN,
 399           "Incoming call is ready - %p",
 400           ((EmpathyPendingInfo *) local_pendings->data)->member);
 401       priv->is_incoming = TRUE;
 402       priv->contact = g_object_ref (members->data);
 403     }
 404   else if (remote_pendings &&
 405       empathy_contact_equal (EMPATHY_CONTACT (members->data), self_contact))
 406     {
 407       empathy_debug (DEBUG_DOMAIN,
 408           "Outgoing call is ready - %p", remote_pendings->data);
 409       priv->is_incoming = FALSE;
 410       priv->contact = g_object_ref (remote_pendings->data);
 411       tp_call_request_streams (call);
 412     }
 413
 414   g_object_unref (self_contact);
 415   g_list_foreach (members, (GFunc) g_object_unref, NULL);
 416   g_list_free (members);
 417   g_list_foreach (local_pendings, (GFunc) empathy_pending_info_free, NULL);
 418   g_list_free (local_pendings);
 419   g_list_foreach (remote_pendings, (GFunc) g_object_unref, NULL);
 420   g_list_free (remote_pendings);
 421
 422   if (priv->contact)
 423     {
 424       priv->status = EMPATHY_TP_CALL_STATUS_PENDING;
 425       g_signal_emit (call, signals[STATUS_CHANGED_SIGNAL], 0);
 426     }
 427 }
 428
 429 static void
 430 tp_call_member_added_cb (EmpathyTpGroup *group,
 431                          EmpathyContact *contact,
 432                          EmpathyContact *actor,
 433                          guint reason,
 434                          const gchar *message,
 435                          EmpathyTpCall *call)
 436 {
 437   EmpathyTpCallPriv *priv = GET_PRIV (call);
 438
 439   empathy_debug (DEBUG_DOMAIN, "New member added callback %p", contact);
 440   tp_call_is_ready (call);
 441
 442   if (priv->status == EMPATHY_TP_CALL_STATUS_PENDING)
 443     {
 444       if ((priv->is_incoming &&
 445             !empathy_contact_equal (contact, priv->contact))
 446           || (!priv->is_incoming &&
 447             empathy_contact_equal (contact, priv->contact)))
 448         {
 449           priv->status = EMPATHY_TP_CALL_STATUS_ACCEPTED;
 450           g_signal_emit (call, signals[STATUS_CHANGED_SIGNAL], 0);
 451         }
 452     }
 453 }
 454
 455 static void
 456 tp_call_local_pending_cb (EmpathyTpGroup *group,
 457                           EmpathyContact *contact,
 458                           EmpathyContact *actor,
 459                           guint reason,
 460                           const gchar *message,
 461                           EmpathyTpCall *call)
 462 {
 463   empathy_debug (DEBUG_DOMAIN, "New local pending added callback %p", contact);
 464   tp_call_is_ready (call);
 465 }
 466
 467 static void
 468 tp_call_remote_pending_cb (EmpathyTpGroup *group,
 469                            EmpathyContact *contact,
 470                            EmpathyContact *actor,
 471                            guint reason,
 472                            const gchar *message,
 473                            EmpathyTpCall *call)
 474 {
 475   empathy_debug (DEBUG_DOMAIN, "New remote pending added callback %p", contact);
 476   tp_call_is_ready (call);
 477 }
 478
 479 static void
 480 tp_call_start_stream_engine (EmpathyTpCall *call)
 481 {
 482   EmpathyTpCallPriv *priv = GET_PRIV (call);
 483   DBusGProxy *ch_proxy;
 484   GError *error = NULL;
 485
 486   empathy_debug (DEBUG_DOMAIN, "Revving up the stream engine");
 487
 488   ch_proxy = dbus_g_proxy_new_for_name (tp_get_bus (), STREAM_ENGINE_BUS_NAME,
 489       STREAM_ENGINE_OBJECT_PATH, CHANNEL_HANDLER_INTERFACE);
 490
 491   if (!org_freedesktop_Telepathy_ChannelHandler_handle_channel (ch_proxy,
 492         dbus_g_proxy_get_bus_name (DBUS_G_PROXY (priv->connection)),
 493         dbus_g_proxy_get_path (DBUS_G_PROXY (priv->connection)),
 494         priv->channel->type,
 495         dbus_g_proxy_get_path (DBUS_G_PROXY (priv->channel)),
 496         priv->channel->handle_type, priv->channel->handle, &error))
 497     {
 498       empathy_debug (DEBUG_DOMAIN, "Couldn't start stream engine: %s",
 499           error->message);
 500       g_clear_error (&error);
 501     }
 502 }
 503
 504 static GObject *
 505 tp_call_constructor (GType type,
 506                      guint n_construct_params,
 507                      GObjectConstructParam *construct_params)
 508 {
 509   GObject *object;
 510   EmpathyTpCall *call;
 511   EmpathyTpCallPriv *priv;
 512   DBusGProxy *streamed_iface;
 513   MissionControl *mc;
 514   McAccount *account;
 515
 516   object = G_OBJECT_CLASS (empathy_tp_call_parent_class)->constructor (type,
 517       n_construct_params, construct_params);
 518
 519   call = EMPATHY_TP_CALL (object);
 520   priv = GET_PRIV (call);
 521
 522   dbus_g_proxy_connect_signal (DBUS_G_PROXY (priv->channel), "Closed",
 523      G_CALLBACK (tp_call_channel_closed_cb), (gpointer) call, NULL);
 524
 525   streamed_iface = tp_chan_get_interface (priv->channel,
 526       TELEPATHY_CHAN_IFACE_STREAMED_QUARK);
 527   dbus_g_proxy_connect_signal (streamed_iface, "StreamStateChanged",
 528       G_CALLBACK (tp_call_stream_state_changed_cb),
 529       (gpointer) call, NULL);
 530   dbus_g_proxy_connect_signal (streamed_iface, "StreamDirectionChanged",
 531       G_CALLBACK (tp_call_stream_direction_changed_cb),
 532       (gpointer) call, NULL);
 533   dbus_g_proxy_connect_signal (streamed_iface, "StreamAdded",
 534       G_CALLBACK (tp_call_stream_added_cb), (gpointer) call, NULL);
 535   dbus_g_proxy_connect_signal (streamed_iface, "StreamRemoved",
 536       G_CALLBACK (tp_call_stream_removed_cb), (gpointer) call, NULL);
 537
 538   mc = empathy_mission_control_new ();
 539   account = mission_control_get_account_for_connection (mc, priv->connection,
 540       NULL);
 541   priv->group = empathy_tp_group_new (account, priv->channel);
 542
 543   g_signal_connect (G_OBJECT (priv->group), "member-added",
 544       G_CALLBACK (tp_call_member_added_cb), (gpointer) call);
 545   g_signal_connect (G_OBJECT (priv->group), "local-pending",
 546       G_CALLBACK (tp_call_local_pending_cb), (gpointer) call);
 547   g_signal_connect (G_OBJECT (priv->group), "remote-pending",
 548       G_CALLBACK (tp_call_remote_pending_cb), (gpointer) call);
 549
 550   tp_call_start_stream_engine (call);
 551   /* FIXME: unnecessary for outgoing? */
 552   tp_call_identify_streams (call);
 553
 554   return object;
 555 }
 556
 557 static void
 558 tp_call_finalize (GObject *object)
 559 {
 560   EmpathyTpCallPriv *priv = GET_PRIV (object);
 561
 562   empathy_debug (DEBUG_DOMAIN, "Finalizing: %p", object);
 563
 564   g_slice_free (EmpathyTpCallStream, priv->audio);
 565   g_slice_free (EmpathyTpCallStream, priv->video);
 566   g_object_unref (priv->group);
 567
 568   if (priv->connection != NULL)
 569     g_object_unref (priv->connection);
 570
 571   if (priv->channel != NULL)
 572     g_object_unref (priv->channel);
 573
 574   if (priv->contact)
 575     {
 576       g_object_unref (priv->contact);
 577     }
 578
 579   (G_OBJECT_CLASS (empathy_tp_call_parent_class)->finalize) (object);
 580 }
 581
 582 static void
 583 tp_call_set_property (GObject *object,
 584                       guint prop_id,
 585                       const GValue *value,
 586                       GParamSpec *pspec)
 587 {
 588   EmpathyTpCallPriv *priv = GET_PRIV (object);
 589
 590   switch (prop_id)
 591     {
 592     case PROP_CONNECTION:
 593       priv->connection = g_value_dup_object (value);
 594       break;
 595     case PROP_CHANNEL:
 596       priv->channel = g_value_dup_object (value);
 597       break;
 598     case PROP_CONTACT:
 599       /* FIXME should this one be writable in the first place ? */
 600       g_assert (priv->contact == NULL);
 601       priv->contact = g_value_dup_object (value);
 602       break;
 603     case PROP_IS_INCOMING:
 604       priv->is_incoming = g_value_get_boolean (value);
 605       break;
 606     case PROP_STATUS:
 607       priv->status = g_value_get_uint (value);
 608       break;
 609     case PROP_AUDIO_STREAM:
 610       priv->audio = g_value_get_pointer (value);
 611       break;
 612     case PROP_VIDEO_STREAM:
 613       priv->video = g_value_get_pointer (value);
 614       break;
 615     default:
 616       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 617       break;
 618   }
 619 }
 620
 621
 622 static void
 623 tp_call_get_property (GObject *object,
 624                       guint prop_id,
 625                       GValue *value,
 626                       GParamSpec *pspec)
 627 {
 628   EmpathyTpCallPriv *priv = GET_PRIV (object);
 629
 630   switch (prop_id)
 631     {
 632     case PROP_CONNECTION:
 633       g_value_set_object (value, priv->connection);
 634       break;
 635     case PROP_CHANNEL:
 636       g_value_set_object (value, priv->channel);
 637       break;
 638     case PROP_CONTACT:
 639       g_value_set_object (value, priv->contact);
 640       break;
 641     case PROP_IS_INCOMING:
 642       g_value_set_boolean (value, priv->is_incoming);
 643       break;
 644     case PROP_STATUS:
 645       g_value_set_uint (value, priv->status);
 646       break;
 647     case PROP_AUDIO_STREAM:
 648       g_value_set_pointer (value, priv->audio);
 649       break;
 650     case PROP_VIDEO_STREAM:
 651       g_value_set_pointer (value, priv->video);
 652       break;
 653     default:
 654       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 655       break;
 656   }
 657 }
 658
 659 static void
 660 empathy_tp_call_class_init (EmpathyTpCallClass *klass)
 661 {
 662   GObjectClass *object_class = G_OBJECT_CLASS (klass);
 663
 664   object_class->constructor = tp_call_constructor;
 665   object_class->finalize = tp_call_finalize;
 666   object_class->set_property = tp_call_set_property;
 667   object_class->get_property = tp_call_get_property;
 668
 669   g_type_class_add_private (klass, sizeof (EmpathyTpCallPriv));
 670
 671   signals[STATUS_CHANGED_SIGNAL] =
 672       g_signal_new ("status-changed", G_TYPE_FROM_CLASS (klass),
 673       G_SIGNAL_RUN_LAST, 0, NULL, NULL, g_cclosure_marshal_VOID__VOID,
 674       G_TYPE_NONE, 0);
 675   signals[RECEIVING_VIDEO_SIGNAL] =
 676       g_signal_new ("receiving-video", G_TYPE_FROM_CLASS (klass),
 677       G_SIGNAL_RUN_LAST, 0, NULL, NULL, g_cclosure_marshal_VOID__BOOLEAN,
 678       G_TYPE_NONE, 1, G_TYPE_BOOLEAN);
 679   signals[SENDING_VIDEO_SIGNAL] =
 680       g_signal_new ("sending-video", G_TYPE_FROM_CLASS (klass),
 681       G_SIGNAL_RUN_LAST, 0, NULL, NULL, g_cclosure_marshal_VOID__BOOLEAN,
 682       G_TYPE_NONE, 1, G_TYPE_BOOLEAN);
 683
 684   g_object_class_install_property (object_class, PROP_CONNECTION,
 685       g_param_spec_object ("connection", "connection", "connection",
 686       TELEPATHY_CONN_TYPE,
 687       G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE |
 688       G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
 689   g_object_class_install_property (object_class, PROP_CHANNEL,
 690       g_param_spec_object ("channel", "channel", "channel",
 691       TELEPATHY_CHAN_TYPE,
 692       G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE |
 693       G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
 694   g_object_class_install_property (object_class, PROP_CONTACT,
 695       g_param_spec_object ("contact", "Call contact", "Call contact",
 696       EMPATHY_TYPE_CONTACT,
 697       G_PARAM_READABLE | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
 698   g_object_class_install_property (object_class, PROP_IS_INCOMING,
 699       g_param_spec_boolean ("is-incoming", "Is media stream incoming",
 700       "Is media stream incoming", FALSE, G_PARAM_READABLE |
 701       G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
 702   g_object_class_install_property (object_class, PROP_STATUS,
 703       g_param_spec_uint ("status", "Call status",
 704       "Call status", 0, 255, 0, G_PARAM_READABLE | G_PARAM_STATIC_NICK |
 705       G_PARAM_STATIC_BLURB));
 706   g_object_class_install_property (object_class, PROP_AUDIO_STREAM,
 707       g_param_spec_pointer ("audio-stream", "Audio stream data",
 708       "Audio stream data",
 709       G_PARAM_READABLE | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
 710   g_object_class_install_property (object_class, PROP_VIDEO_STREAM,
 711       g_param_spec_pointer ("video-stream", "Video stream data",
 712       "Video stream data",
 713       G_PARAM_READABLE | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
 714 }
 715
 716 static void
 717 empathy_tp_call_init (EmpathyTpCall *call)
 718 {
 719   EmpathyTpCallPriv *priv = GET_PRIV (call);
 720
 721   priv->status = EMPATHY_TP_CALL_STATUS_READYING;
 722   priv->contact = NULL;
 723   priv->audio = g_slice_new0 (EmpathyTpCallStream);
 724   priv->video = g_slice_new0 (EmpathyTpCallStream);
 725   priv->audio->exists = FALSE;
 726   priv->video->exists = FALSE;
 727 }
 728
 729 EmpathyTpCall *
 730 empathy_tp_call_new (TpConn *connection, TpChan *channel)
 731 {
 732   return g_object_new (EMPATHY_TYPE_TP_CALL,
 733       "connection", connection,
 734       "channel", channel,
 735       NULL);
 736 }
 737
 738 void
 739 empathy_tp_call_accept_incoming_call (EmpathyTpCall *call)
 740 {
 741   EmpathyTpCallPriv *priv = GET_PRIV (call);
 742   GList *local_pendings;
 743
 744   empathy_debug (DEBUG_DOMAIN, "Accepting incoming call");
 745
 746   local_pendings = empathy_tp_group_get_local_pendings (priv->group);
 747
 748   empathy_tp_group_add_member (priv->group, EMPATHY_CONTACT
 749       (((EmpathyPendingInfo *) local_pendings->data)->member), NULL);
 750
 751   g_list_foreach (local_pendings, (GFunc) empathy_pending_info_free, NULL);
 752   g_list_free (local_pendings);
 753 }
 754
 755 void
 756 empathy_tp_call_request_video_stream_direction (EmpathyTpCall *call,
 757                                                 gboolean is_sending)
 758 {
 759   EmpathyTpCallPriv *priv = GET_PRIV (call);
 760   DBusGProxy *streamed_iface;
 761   guint new_direction;
 762   GError *error = NULL;
 763
 764   empathy_debug (DEBUG_DOMAIN,
 765       "Requesting video stream direction - is_sending: %d", is_sending);
 766
 767   if (!priv->video->exists)
 768     {
 769       tp_call_request_streams_for_capabilities (call, EMPATHY_CAPABILITIES_VIDEO);
 770       return;
 771     }
 772
 773   streamed_iface = tp_chan_get_interface (priv->channel,
 774       TELEPATHY_CHAN_IFACE_STREAMED_QUARK);
 775
 776   if (is_sending)
 777     {
 778       new_direction = priv->video->direction | TP_MEDIA_STREAM_DIRECTION_SEND;
 779     }
 780   else
 781     {
 782       new_direction = priv->video->direction & ~TP_MEDIA_STREAM_DIRECTION_SEND;
 783     }
 784
 785   if (!tp_chan_type_streamed_media_request_stream_direction (streamed_iface,
 786         priv->video->id, new_direction, &error))
 787     {
 788       empathy_debug (DEBUG_DOMAIN,
 789           "Couldn't request video stream direction: %s", error->message);
 790       g_clear_error (&error);
 791     }
 792 }
 793
 794 void
 795 empathy_tp_call_close_channel (EmpathyTpCall *call)
 796 {
 797   EmpathyTpCallPriv *priv = GET_PRIV (call);
 798   GError *error = NULL;
 799
 800   empathy_debug (DEBUG_DOMAIN, "Closing channel");
 801
 802   if (!tp_chan_close (DBUS_G_PROXY (priv->channel), &error))
 803     {
 804       empathy_debug (DEBUG_DOMAIN, "Error closing channel: %s",
 805           error ? error->message : "No error given");
 806       g_clear_error (&error);
 807     }
 808 }
 809
 810 void
 811 empathy_tp_call_add_preview_video (guint preview_video_socket_id)
 812 {
 813   GError *error = NULL;
 814   DBusGProxy *ch_proxy;
 815
 816   empathy_debug (DEBUG_DOMAIN, "Adding preview video");
 817
 818   ch_proxy = dbus_g_proxy_new_for_name (tp_get_bus (), STREAM_ENGINE_BUS_NAME,
 819       STREAM_ENGINE_OBJECT_PATH, STREAM_ENGINE_INTERFACE);
 820
 821   if (!org_freedesktop_Telepathy_StreamEngine_add_preview_window (ch_proxy,
 822         preview_video_socket_id, &error))
 823     {
 824       empathy_debug (DEBUG_DOMAIN, "Couldn't set video preview: %s",
 825           error->message);
 826       g_clear_error (&error);
 827     }
 828 }
 829
 830 void
 831 empathy_tp_call_remove_preview_video (guint preview_video_socket_id)
 832 {
 833   GError *error = NULL;
 834   DBusGProxy *ch_proxy;
 835
 836   empathy_debug (DEBUG_DOMAIN, "Removing preview video");
 837
 838   ch_proxy = dbus_g_proxy_new_for_name (tp_get_bus (), STREAM_ENGINE_BUS_NAME,
 839       STREAM_ENGINE_OBJECT_PATH, STREAM_ENGINE_INTERFACE);
 840
 841   if (!org_freedesktop_Telepathy_StreamEngine_remove_preview_window (ch_proxy,
 842         preview_video_socket_id, &error))
 843     {
 844       empathy_debug (DEBUG_DOMAIN, "Couldn't set video preview: %s",
 845           error->message);
 846       g_clear_error (&error);
 847     }
 848 }
 849
 850 void
 851 empathy_tp_call_add_output_video (EmpathyTpCall *call,
 852                                   guint output_video_socket_id)
 853 {
 854   EmpathyTpCallPriv *priv = GET_PRIV (call);
 855   const gchar *object_path;
 856   DBusGProxy *ch_proxy;
 857   GError *error = NULL;
 858
 859   empathy_debug (DEBUG_DOMAIN, "Adding output video - socket: %d",
 860       output_video_socket_id);
 861
 862   object_path = dbus_g_proxy_get_path (DBUS_G_PROXY (priv->channel));
 863   ch_proxy = dbus_g_proxy_new_for_name (tp_get_bus (), STREAM_ENGINE_BUS_NAME,
 864       STREAM_ENGINE_OBJECT_PATH, STREAM_ENGINE_INTERFACE);
 865
 866   if (!org_freedesktop_Telepathy_StreamEngine_set_output_window (ch_proxy,
 867         object_path, priv->video->id, output_video_socket_id, &error))
 868     {
 869       empathy_debug (DEBUG_DOMAIN, "Couldn't set video output: %s",
 870           error->message);
 871       g_clear_error (&error);
 872     }
 873 }
 874
 875 void
 876 empathy_tp_call_set_output_volume (EmpathyTpCall *call,
 877                                    guint volume)
 878 {
 879   EmpathyTpCallPriv *priv = GET_PRIV (call);
 880   const gchar *object_path;
 881   DBusGProxy *ch_proxy;
 882   GError *error = NULL;
 883
 884   if (priv->status == EMPATHY_TP_CALL_STATUS_CLOSED)
 885     return;
 886
 887   empathy_debug (DEBUG_DOMAIN, "Setting output volume: %d", volume);
 888
 889   object_path = dbus_g_proxy_get_path (DBUS_G_PROXY (priv->channel));
 890   ch_proxy = dbus_g_proxy_new_for_name (tp_get_bus (), STREAM_ENGINE_BUS_NAME,
 891       STREAM_ENGINE_OBJECT_PATH, STREAM_ENGINE_INTERFACE);
 892
 893   if (!org_freedesktop_Telepathy_StreamEngine_set_output_volume (ch_proxy,
 894         object_path, priv->audio->id, volume, &error))
 895     {
 896       empathy_debug (DEBUG_DOMAIN, "Couldn't set volume: %s", error->message);
 897       g_clear_error (&error);
 898     }
 899 }
 900
 901
 902 void
 903 empathy_tp_call_mute_output (EmpathyTpCall *call,
 904                              gboolean is_muted)
 905 {
 906   EmpathyTpCallPriv *priv = GET_PRIV (call);
 907   const gchar *object_path;
 908   DBusGProxy *ch_proxy;
 909   GError *error = NULL;
 910
 911   if (priv->status == EMPATHY_TP_CALL_STATUS_CLOSED)
 912     return;
 913
 914   empathy_debug (DEBUG_DOMAIN, "Setting output mute: %d", is_muted);
 915
 916   object_path = dbus_g_proxy_get_path (DBUS_G_PROXY (priv->channel));
 917   ch_proxy = dbus_g_proxy_new_for_name (tp_get_bus (), STREAM_ENGINE_BUS_NAME,
 918       STREAM_ENGINE_OBJECT_PATH, STREAM_ENGINE_INTERFACE);
 919
 920   if (!org_freedesktop_Telepathy_StreamEngine_mute_output (ch_proxy,
 921         object_path, priv->audio->id, is_muted, &error))
 922     {
 923       empathy_debug (DEBUG_DOMAIN, "Couldn't mute output: %s", error->message);
 924       g_clear_error (&error);
 925     }
 926 }
 927
 928 void
 929 empathy_tp_call_mute_input (EmpathyTpCall *call,
 930                             gboolean is_muted)
 931 {
 932   EmpathyTpCallPriv *priv = GET_PRIV (call);
 933   const gchar *object_path;
 934   DBusGProxy *ch_proxy;
 935   GError *error = NULL;
 936
 937   if (priv->status == EMPATHY_TP_CALL_STATUS_CLOSED)
 938     return;
 939
 940   empathy_debug (DEBUG_DOMAIN, "Setting input mute: %d", is_muted);
 941
 942   object_path = dbus_g_proxy_get_path (DBUS_G_PROXY (priv->channel));
 943   ch_proxy = dbus_g_proxy_new_for_name (tp_get_bus (), STREAM_ENGINE_BUS_NAME,
 944       STREAM_ENGINE_OBJECT_PATH, STREAM_ENGINE_INTERFACE);
 945
 946   if (!org_freedesktop_Telepathy_StreamEngine_mute_input (ch_proxy,
 947         object_path, priv->audio->id, is_muted, &error))
 948     {
 949       empathy_debug (DEBUG_DOMAIN, "Couldn't mute input: %s", error->message);
 950       g_clear_error (&error);
 951     }
 952 }
 953