libempathy/empathy-tp-chat.c

   1 /*
   2  * Copyright (C) 2007-2012 Collabora Ltd.
   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: Xavier Claessens <xclaesse@gmail.com>
  19  */
  20
  21 #include <config.h>
  22
  23 #include <string.h>
  24
  25 #include <telepathy-glib/telepathy-glib.h>
  26
  27 #include <extensions/extensions.h>
  28
  29 #include "empathy-tp-chat.h"
  30 #include "empathy-request-util.h"
  31 #include "empathy-time.h"
  32 #include "empathy-utils.h"
  33
  34 #define DEBUG_FLAG EMPATHY_DEBUG_TP | EMPATHY_DEBUG_CHAT
  35 #include "empathy-debug.h"
  36
  37 struct _EmpathyTpChatPrivate
  38 {
  39   TpAccount *account;
  40   EmpathyContact *user;
  41   EmpathyContact *remote_contact;
  42   GList *members;
  43   /* Queue of messages signalled but not acked yet */
  44   GQueue *pending_messages_queue;
  45
  46   /* Subject */
  47   gboolean supports_subject;
  48   gboolean can_set_subject;
  49   gchar *subject;
  50   gchar *subject_actor;
  51
  52   /* Room config (for now, we only track the title and don't support
  53    * setting it) */
  54   gchar *title;
  55
  56   gboolean can_upgrade_to_muc;
  57
  58   GHashTable *messages_being_sent;
  59
  60   /* GSimpleAsyncResult used when preparing EMPATHY_TP_CHAT_FEATURE_CORE */
  61   GSimpleAsyncResult *ready_result;
  62 };
  63
  64 enum
  65 {
  66   PROP_0,
  67   PROP_ACCOUNT,
  68   PROP_SELF_CONTACT,
  69   PROP_REMOTE_CONTACT,
  70   PROP_N_MESSAGES_SENDING,
  71   PROP_TITLE,
  72   PROP_SUBJECT,
  73 };
  74
  75 enum
  76 {
  77   MESSAGE_RECEIVED,
  78   SEND_ERROR,
  79   MESSAGE_ACKNOWLEDGED,
  80   SIG_MEMBER_RENAMED,
  81   SIG_MEMBERS_CHANGED,
  82   LAST_SIGNAL
  83 };
  84
  85 static guint signals[LAST_SIGNAL];
  86
  87 G_DEFINE_TYPE (EmpathyTpChat, empathy_tp_chat, TP_TYPE_TEXT_CHANNEL)
  88
  89 static void
  90 tp_chat_set_delivery_status (EmpathyTpChat *self,
  91     const gchar *token,
  92     EmpathyDeliveryStatus delivery_status)
  93 {
  94   TpDeliveryReportingSupportFlags flags =
  95     tp_text_channel_get_delivery_reporting_support (
  96       TP_TEXT_CHANNEL (self));
  97
  98   /* channel must support receiving failures and successes */
  99   if (!tp_str_empty (token) &&
 100       flags & TP_DELIVERY_REPORTING_SUPPORT_FLAG_RECEIVE_FAILURES &&
 101       flags & TP_DELIVERY_REPORTING_SUPPORT_FLAG_RECEIVE_SUCCESSES)
 102     {
 103       DEBUG ("Delivery status (%s) = %u", token, delivery_status);
 104
 105       switch (delivery_status)
 106         {
 107           case EMPATHY_DELIVERY_STATUS_NONE:
 108             g_hash_table_remove (self->priv->messages_being_sent,
 109               token);
 110             break;
 111
 112           default:
 113             g_hash_table_insert (self->priv->messages_being_sent,
 114               g_strdup (token),
 115               GUINT_TO_POINTER (delivery_status));
 116             break;
 117         }
 118
 119     g_object_notify (G_OBJECT (self), "n-messages-sending");
 120   }
 121 }
 122
 123 static void tp_chat_prepare_ready_async (TpProxy *proxy,
 124   const TpProxyFeature *feature,
 125   GAsyncReadyCallback callback,
 126   gpointer user_data);
 127
 128 static void
 129 tp_chat_async_cb (TpChannel *proxy,
 130     const GError *error,
 131     gpointer user_data,
 132     GObject *weak_object)
 133 {
 134   if (error != NULL)
 135     DEBUG ("Error %s: %s", (gchar *) user_data, error->message);
 136 }
 137
 138 static void
 139 create_conference_cb (GObject *source,
 140     GAsyncResult *result,
 141     gpointer user_data)
 142 {
 143   GError *error = NULL;
 144
 145   if (!tp_account_channel_request_create_channel_finish (
 146       TP_ACCOUNT_CHANNEL_REQUEST (source), result, &error))
 147     {
 148       DEBUG ("Failed to create conference channel: %s", error->message);
 149       g_error_free (error);
 150     }
 151 }
 152
 153 void
 154 empathy_tp_chat_add (EmpathyTpChat *self,
 155     EmpathyContact *contact,
 156     const gchar *message)
 157 {
 158   TpChannel *channel = (TpChannel *) self;
 159
 160   if (tp_proxy_has_interface_by_id (self,
 161     TP_IFACE_QUARK_CHANNEL_INTERFACE_GROUP))
 162     {
 163       TpHandle handle;
 164       GArray handles = {(gchar *) &handle, 1};
 165
 166       g_return_if_fail (EMPATHY_IS_CONTACT (contact));
 167
 168       handle = empathy_contact_get_handle (contact);
 169       tp_cli_channel_interface_group_call_add_members (channel,
 170         -1, &handles, NULL, NULL, NULL, NULL, NULL);
 171     }
 172   else if (self->priv->can_upgrade_to_muc)
 173     {
 174       TpAccountChannelRequest *req;
 175       GHashTable *props;
 176       const char *object_path;
 177       GPtrArray channels = { (gpointer *) &object_path, 1 };
 178       const char *invitees[2] = { NULL, };
 179
 180       invitees[0] = empathy_contact_get_id (contact);
 181       object_path = tp_proxy_get_object_path (self);
 182
 183       props = tp_asv_new (
 184           TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING,
 185               TP_IFACE_CHANNEL_TYPE_TEXT,
 186           TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, G_TYPE_UINT,
 187               TP_HANDLE_TYPE_NONE,
 188           TP_PROP_CHANNEL_INTERFACE_CONFERENCE_INITIAL_CHANNELS,
 189               TP_ARRAY_TYPE_OBJECT_PATH_LIST, &channels,
 190           TP_PROP_CHANNEL_INTERFACE_CONFERENCE_INITIAL_INVITEE_IDS,
 191               G_TYPE_STRV, invitees,
 192           /* FIXME: InvitationMessage ? */
 193           NULL);
 194
 195       req = tp_account_channel_request_new (self->priv->account, props,
 196         TP_USER_ACTION_TIME_NOT_USER_ACTION);
 197
 198       /* Although this is a MUC, it's anonymous, so CreateChannel is
 199        * valid. */
 200       tp_account_channel_request_create_channel_async (req,
 201           EMPATHY_CHAT_BUS_NAME, NULL, create_conference_cb, NULL);
 202
 203       g_object_unref (req);
 204       g_hash_table_unref (props);
 205     }
 206   else
 207     {
 208       g_warning ("Cannot add to this channel");
 209     }
 210 }
 211
 212 GList *
 213 empathy_tp_chat_get_members (EmpathyTpChat *self)
 214 {
 215   GList *members = NULL;
 216
 217   if (self->priv->members)
 218     {
 219       members = g_list_copy (self->priv->members);
 220       g_list_foreach (members, (GFunc) g_object_ref, NULL);
 221     }
 222   else
 223     {
 224       members = g_list_prepend (members, g_object_ref (self->priv->user));
 225
 226       if (self->priv->remote_contact != NULL)
 227         members = g_list_prepend (members,
 228             g_object_ref (self->priv->remote_contact));
 229     }
 230
 231   return members;
 232 }
 233
 234 static void
 235 check_ready (EmpathyTpChat *self)
 236 {
 237   if (self->priv->ready_result == NULL)
 238     return;
 239
 240   DEBUG ("Ready");
 241
 242   g_simple_async_result_complete_in_idle (self->priv->ready_result);
 243   tp_clear_object (&self->priv->ready_result);
 244 }
 245
 246 static void
 247 tp_chat_build_message (EmpathyTpChat *self,
 248     TpMessage *msg,
 249     gboolean incoming)
 250 {
 251   EmpathyMessage *message;
 252   TpContact *sender;
 253
 254   message = empathy_message_new_from_tp_message (msg, incoming);
 255   /* FIXME: this is actually a lie for incoming messages. */
 256   empathy_message_set_receiver (message, self->priv->user);
 257
 258   sender = tp_signalled_message_get_sender (msg);
 259   g_assert (sender != NULL);
 260
 261   if (tp_contact_get_handle (sender) == 0)
 262     {
 263       empathy_message_set_sender (message, self->priv->user);
 264     }
 265   else
 266     {
 267       EmpathyContact *contact;
 268
 269       contact = empathy_contact_dup_from_tp_contact (sender);
 270
 271       empathy_message_set_sender (message, contact);
 272
 273       g_object_unref (contact);
 274     }
 275
 276   g_queue_push_tail (self->priv->pending_messages_queue, message);
 277   g_signal_emit (self, signals[MESSAGE_RECEIVED], 0, message);
 278 }
 279
 280 static void
 281 handle_delivery_report (EmpathyTpChat *self,
 282     TpMessage *message)
 283 {
 284   TpDeliveryStatus delivery_status;
 285   const GHashTable *header;
 286   TpChannelTextSendError delivery_error;
 287   gboolean valid;
 288   GPtrArray *echo;
 289   const gchar *message_body = NULL;
 290   const gchar *delivery_dbus_error;
 291   const gchar *delivery_token = NULL;
 292
 293   header = tp_message_peek (message, 0);
 294   if (header == NULL)
 295     goto out;
 296
 297   delivery_token = tp_asv_get_string (header, "delivery-token");
 298   delivery_status = tp_asv_get_uint32 (header, "delivery-status", &valid);
 299
 300   if (!valid)
 301     {
 302       goto out;
 303     }
 304   else if (delivery_status == TP_DELIVERY_STATUS_ACCEPTED)
 305     {
 306       DEBUG ("Accepted %s", delivery_token);
 307       tp_chat_set_delivery_status (self, delivery_token,
 308         EMPATHY_DELIVERY_STATUS_ACCEPTED);
 309       goto out;
 310     }
 311   else if (delivery_status == TP_DELIVERY_STATUS_DELIVERED)
 312     {
 313       DEBUG ("Delivered %s", delivery_token);
 314       tp_chat_set_delivery_status (self, delivery_token,
 315         EMPATHY_DELIVERY_STATUS_NONE);
 316       goto out;
 317     }
 318   else if (delivery_status != TP_DELIVERY_STATUS_PERMANENTLY_FAILED &&
 319        delivery_status != TP_DELIVERY_STATUS_TEMPORARILY_FAILED)
 320     {
 321       goto out;
 322     }
 323
 324   delivery_error = tp_asv_get_uint32 (header, "delivery-error", &valid);
 325   if (!valid)
 326     delivery_error = TP_CHANNEL_TEXT_SEND_ERROR_UNKNOWN;
 327
 328   delivery_dbus_error = tp_asv_get_string (header, "delivery-dbus-error");
 329
 330   /* TODO: ideally we should use tp-glib API giving us the echoed message as a
 331    * TpMessage. (fdo #35884) */
 332   echo = tp_asv_get_boxed (header, "delivery-echo",
 333     TP_ARRAY_TYPE_MESSAGE_PART_LIST);
 334   if (echo != NULL && echo->len >= 2)
 335     {
 336       const GHashTable *echo_body;
 337
 338       echo_body = g_ptr_array_index (echo, 1);
 339       if (echo_body != NULL)
 340         message_body = tp_asv_get_string (echo_body, "content");
 341     }
 342
 343   tp_chat_set_delivery_status (self, delivery_token,
 344       EMPATHY_DELIVERY_STATUS_NONE);
 345   g_signal_emit (self, signals[SEND_ERROR], 0, message_body,
 346       delivery_error, delivery_dbus_error);
 347
 348 out:
 349   tp_text_channel_ack_message_async (TP_TEXT_CHANNEL (self),
 350     message, NULL, NULL);
 351 }
 352
 353 static void
 354 handle_incoming_message (EmpathyTpChat *self,
 355     TpMessage *message,
 356     gboolean pending)
 357 {
 358   gchar *message_body;
 359
 360   if (tp_message_is_delivery_report (message))
 361     {
 362       handle_delivery_report (self, message);
 363       return;
 364     }
 365
 366   message_body = tp_message_to_text (message, NULL);
 367
 368   DEBUG ("Message %s (channel %s): %s",
 369     pending ? "pending" : "received",
 370     tp_proxy_get_object_path (self), message_body);
 371
 372   if (message_body == NULL)
 373     {
 374       DEBUG ("Empty message with NonTextContent, ignoring and acking.");
 375
 376       tp_text_channel_ack_message_async (TP_TEXT_CHANNEL (self),
 377         message, NULL, NULL);
 378       return;
 379     }
 380
 381   tp_chat_build_message (self, message, TRUE);
 382
 383   g_free (message_body);
 384 }
 385
 386 static void
 387 message_received_cb (TpTextChannel *channel,
 388     TpMessage *message,
 389     EmpathyTpChat *self)
 390 {
 391   handle_incoming_message (self, message, FALSE);
 392 }
 393
 394 static gboolean
 395 find_pending_message_func (gconstpointer a,
 396     gconstpointer b)
 397 {
 398   EmpathyMessage *msg = (EmpathyMessage *) a;
 399   TpMessage *message = (TpMessage *) b;
 400
 401   if (empathy_message_get_tp_message (msg) == message)
 402     return 0;
 403
 404   return -1;
 405 }
 406
 407 static void
 408 pending_message_removed_cb (TpTextChannel   *channel,
 409     TpMessage *message,
 410     EmpathyTpChat *self)
 411 {
 412   GList *m;
 413
 414   m = g_queue_find_custom (self->priv->pending_messages_queue, message,
 415       find_pending_message_func);
 416
 417   if (m == NULL)
 418     return;
 419
 420   g_signal_emit (self, signals[MESSAGE_ACKNOWLEDGED], 0, m->data);
 421
 422   g_object_unref (m->data);
 423   g_queue_delete_link (self->priv->pending_messages_queue, m);
 424 }
 425
 426 static void
 427 message_sent_cb (TpTextChannel *channel,
 428     TpMessage *message,
 429     TpMessageSendingFlags flags,
 430     gchar *token,
 431     EmpathyTpChat *self)
 432 {
 433   gchar *message_body;
 434
 435   message_body = tp_message_to_text (message, NULL);
 436
 437   DEBUG ("Message sent: %s", message_body);
 438
 439   tp_chat_build_message (self, message, FALSE);
 440
 441   g_free (message_body);
 442 }
 443
 444 static TpChannelTextSendError
 445 error_to_text_send_error (GError *error)
 446 {
 447   if (error->domain != TP_ERROR)
 448     return TP_CHANNEL_TEXT_SEND_ERROR_UNKNOWN;
 449
 450   switch (error->code)
 451     {
 452       case TP_ERROR_OFFLINE:
 453         return TP_CHANNEL_TEXT_SEND_ERROR_OFFLINE;
 454       case TP_ERROR_INVALID_HANDLE:
 455         return TP_CHANNEL_TEXT_SEND_ERROR_INVALID_CONTACT;
 456       case TP_ERROR_PERMISSION_DENIED:
 457         return TP_CHANNEL_TEXT_SEND_ERROR_PERMISSION_DENIED;
 458       case TP_ERROR_NOT_IMPLEMENTED:
 459         return TP_CHANNEL_TEXT_SEND_ERROR_NOT_IMPLEMENTED;
 460     }
 461
 462   return TP_CHANNEL_TEXT_SEND_ERROR_UNKNOWN;
 463 }
 464
 465 static void
 466 message_send_cb (GObject *source,
 467      GAsyncResult *result,
 468      gpointer user_data)
 469 {
 470   EmpathyTpChat *self = user_data;
 471   TpTextChannel *channel = (TpTextChannel *) source;
 472   gchar *token = NULL;
 473   GError *error = NULL;
 474
 475   if (!tp_text_channel_send_message_finish (channel, result, &token, &error))
 476     {
 477       DEBUG ("Error: %s", error->message);
 478
 479       /* FIXME: we should use the body of the message as first argument of the
 480        * signal but can't easily get it as we just get a user_data pointer. Once
 481        * we'll have rebased EmpathyTpChat on top of TpTextChannel we'll be able
 482        * to use the user_data pointer to pass the message and fix this. */
 483       g_signal_emit (self, signals[SEND_ERROR], 0,
 484                NULL, error_to_text_send_error (error), NULL);
 485
 486       g_error_free (error);
 487     }
 488
 489   tp_chat_set_delivery_status (self, token,
 490     EMPATHY_DELIVERY_STATUS_SENDING);
 491   g_free (token);
 492 }
 493
 494 static void
 495 list_pending_messages (EmpathyTpChat *self)
 496 {
 497   GList *messages, *l;
 498
 499   messages = tp_text_channel_get_pending_messages (TP_TEXT_CHANNEL (self));
 500
 501   for (l = messages; l != NULL; l = g_list_next (l))
 502     {
 503       TpMessage *message = l->data;
 504
 505       handle_incoming_message (self, message, FALSE);
 506     }
 507
 508   g_list_free (messages);
 509 }
 510
 511 static void
 512 update_subject (EmpathyTpChat *self,
 513     GHashTable *properties)
 514 {
 515   gboolean can_set, valid;
 516   const gchar *subject;
 517
 518   can_set = tp_asv_get_boolean (properties, "CanSet", &valid);
 519   if (valid)
 520     self->priv->can_set_subject = can_set;
 521
 522   subject = tp_asv_get_string (properties, "Subject");
 523   if (subject != NULL)
 524     {
 525       const gchar *actor;
 526
 527       g_free (self->priv->subject);
 528       self->priv->subject = g_strdup (subject);
 529
 530       /* If the actor is included with this update, use it;
 531        * otherwise, clear it to avoid showing stale information.
 532        * Why might it not be included? When you join an IRC channel,
 533        * you get a pair of messages: first, the current topic; next,
 534        * who set it, and when. Idle reports these in two separate
 535        * signals.
 536        */
 537       actor = tp_asv_get_string (properties, "Actor");
 538       g_free (self->priv->subject_actor);
 539       self->priv->subject_actor = g_strdup (actor);
 540
 541       g_object_notify (G_OBJECT (self), "subject");
 542     }
 543
 544   /* TODO: track Timestamp. */
 545 }
 546
 547 static void
 548 tp_chat_get_all_subject_cb (TpProxy *proxy,
 549     GHashTable *properties,
 550     const GError *error,
 551     gpointer user_data G_GNUC_UNUSED,
 552     GObject *chat)
 553 {
 554   EmpathyTpChat *self = EMPATHY_TP_CHAT (chat);
 555
 556   if (error != NULL)
 557     {
 558       DEBUG ("Error fetching subject: %s", error->message);
 559       return;
 560     }
 561
 562   self->priv->supports_subject = TRUE;
 563   update_subject (self, properties);
 564 }
 565
 566 static void
 567 update_title (EmpathyTpChat *self,
 568     GHashTable *properties)
 569 {
 570   const gchar *title = tp_asv_get_string (properties, "Title");
 571
 572   if (title != NULL)
 573     {
 574       if (tp_str_empty (title))
 575         title = NULL;
 576
 577       g_free (self->priv->title);
 578       self->priv->title = g_strdup (title);
 579       g_object_notify (G_OBJECT (self), "title");
 580     }
 581 }
 582
 583 static void
 584 tp_chat_get_all_room_config_cb (TpProxy *proxy,
 585     GHashTable *properties,
 586     const GError *error,
 587     gpointer user_data G_GNUC_UNUSED,
 588     GObject *chat)
 589 {
 590   EmpathyTpChat *self = EMPATHY_TP_CHAT (chat);
 591
 592   if (error)
 593     {
 594       DEBUG ("Error fetching room config: %s", error->message);
 595       return;
 596     }
 597
 598   update_title (self, properties);
 599 }
 600
 601 static void
 602 tp_chat_dbus_properties_changed_cb (TpProxy *proxy,
 603     const gchar *interface_name,
 604     GHashTable *changed,
 605     const gchar **invalidated,
 606     gpointer user_data,
 607     GObject *chat)
 608 {
 609   EmpathyTpChat *self = EMPATHY_TP_CHAT (chat);
 610
 611   if (!tp_strdiff (interface_name, TP_IFACE_CHANNEL_INTERFACE_SUBJECT))
 612     update_subject (self, changed);
 613
 614   if (!tp_strdiff (interface_name, TP_IFACE_CHANNEL_INTERFACE_ROOM_CONFIG))
 615     update_title (self, changed);
 616 }
 617
 618 void
 619 empathy_tp_chat_set_subject (EmpathyTpChat *self,
 620     const gchar *subject)
 621 {
 622   tp_cli_channel_interface_subject_call_set_subject (TP_CHANNEL (self), -1,
 623       subject, tp_chat_async_cb, "while setting subject", NULL,
 624       G_OBJECT (self));
 625 }
 626
 627 const gchar *
 628 empathy_tp_chat_get_title (EmpathyTpChat *self)
 629 {
 630   return self->priv->title;
 631 }
 632
 633 gboolean
 634 empathy_tp_chat_supports_subject (EmpathyTpChat *self)
 635 {
 636   return self->priv->supports_subject;
 637 }
 638
 639 gboolean
 640 empathy_tp_chat_can_set_subject (EmpathyTpChat *self)
 641 {
 642   return self->priv->can_set_subject;
 643 }
 644
 645 const gchar *
 646 empathy_tp_chat_get_subject (EmpathyTpChat *self)
 647 {
 648   return self->priv->subject;
 649 }
 650
 651 const gchar *
 652 empathy_tp_chat_get_subject_actor (EmpathyTpChat *self)
 653 {
 654   return self->priv->subject_actor;
 655 }
 656
 657 static void
 658 tp_chat_dispose (GObject *object)
 659 {
 660   EmpathyTpChat *self = EMPATHY_TP_CHAT (object);
 661
 662   tp_clear_object (&self->priv->account);
 663   tp_clear_object (&self->priv->remote_contact);
 664   tp_clear_object (&self->priv->user);
 665
 666   g_queue_foreach (self->priv->pending_messages_queue,
 667     (GFunc) g_object_unref, NULL);
 668   g_queue_clear (self->priv->pending_messages_queue);
 669
 670   tp_clear_object (&self->priv->ready_result);
 671
 672   if (G_OBJECT_CLASS (empathy_tp_chat_parent_class)->dispose)
 673     G_OBJECT_CLASS (empathy_tp_chat_parent_class)->dispose (object);
 674 }
 675
 676 static void
 677 tp_chat_finalize (GObject *object)
 678 {
 679   EmpathyTpChat *self = (EmpathyTpChat *) object;
 680
 681   DEBUG ("Finalize: %p", object);
 682
 683   g_queue_free (self->priv->pending_messages_queue);
 684   g_hash_table_unref (self->priv->messages_being_sent);
 685
 686   g_free (self->priv->title);
 687   g_free (self->priv->subject);
 688   g_free (self->priv->subject_actor);
 689
 690   G_OBJECT_CLASS (empathy_tp_chat_parent_class)->finalize (object);
 691 }
 692
 693 static void
 694 check_almost_ready (EmpathyTpChat *self)
 695 {
 696   TpChannel *channel = (TpChannel *) self;
 697
 698   if (self->priv->ready_result == NULL)
 699     return;
 700
 701   if (self->priv->user == NULL)
 702     return;
 703
 704   /* We need either the members (room) or the remote contact (private chat).
 705    * If the chat is protected by a password we can't get these information so
 706    * consider the chat as ready so it can be presented to the user. */
 707   if (!tp_channel_password_needed (channel) && self->priv->members == NULL &&
 708       self->priv->remote_contact == NULL)
 709     return;
 710
 711   g_assert (tp_proxy_is_prepared (self,
 712     TP_TEXT_CHANNEL_FEATURE_INCOMING_MESSAGES));
 713
 714   tp_g_signal_connect_object (self, "message-received",
 715     G_CALLBACK (message_received_cb), self, 0);
 716   tp_g_signal_connect_object (self, "pending-message-removed",
 717     G_CALLBACK (pending_message_removed_cb), self, 0);
 718
 719   list_pending_messages (self);
 720
 721   tp_g_signal_connect_object (self, "message-sent",
 722     G_CALLBACK (message_sent_cb), self, 0);
 723
 724   check_ready (self);
 725 }
 726
 727 static void
 728 add_members_contact (EmpathyTpChat *self,
 729     GPtrArray *contacts)
 730 {
 731   guint i;
 732
 733   for (i = 0; i < contacts->len; i++)
 734     {
 735       EmpathyContact *contact;
 736
 737       contact = empathy_contact_dup_from_tp_contact (g_ptr_array_index (
 738             contacts, i));
 739
 740       self->priv->members = g_list_prepend (self->priv->members, contact);
 741
 742       g_signal_emit (self, signals[SIG_MEMBERS_CHANGED], 0,
 743                  contact, NULL, 0, NULL, TRUE);
 744     }
 745
 746   check_almost_ready (self);
 747 }
 748
 749 static void
 750 remove_member (EmpathyTpChat *self,
 751     EmpathyContact *contact)
 752 {
 753   GList *l;
 754
 755   for (l = self->priv->members; l; l = l->next)
 756     {
 757       EmpathyContact *c = l->data;
 758
 759       if (contact == c)
 760         {
 761           self->priv->members = g_list_delete_link (self->priv->members, l);
 762           g_object_unref (c);
 763           break;
 764         }
 765     }
 766 }
 767
 768 static void
 769 contact_renamed (EmpathyTpChat *self,
 770     TpContact *old_contact,
 771     TpContact *new_contact,
 772     TpChannelGroupChangeReason reason,
 773     const gchar *message)
 774 {
 775   EmpathyContact *old = NULL, *new = NULL;
 776
 777   old = empathy_contact_dup_from_tp_contact (old_contact);
 778   new = empathy_contact_dup_from_tp_contact (new_contact);
 779
 780   self->priv->members = g_list_prepend (self->priv->members, new);
 781
 782   if (old != NULL)
 783     {
 784       remove_member (self, old);
 785
 786       g_signal_emit (self, signals[SIG_MEMBER_RENAMED], 0, old, new,
 787           reason, message);
 788       g_object_unref (old);
 789     }
 790
 791   if (self->priv->user == old)
 792     {
 793       /* We change our nick */
 794       tp_clear_object (&self->priv->user);
 795       self->priv->user = g_object_ref (new);
 796       g_object_notify (G_OBJECT (self), "self-contact");
 797     }
 798
 799   check_almost_ready (self);
 800 }
 801
 802 static void
 803 tp_chat_group_contacts_changed_cb (TpChannel *channel,
 804     GPtrArray *added,
 805     GPtrArray *removed,
 806     GPtrArray *local_pending,
 807     GPtrArray *remote_pending,
 808     TpContact *actor,
 809     GHashTable *details,
 810     EmpathyTpChat *self)
 811 {
 812   EmpathyContact *actor_contact = NULL;
 813   guint i;
 814   TpChannelGroupChangeReason reason;
 815   const gchar *message;
 816
 817   reason = tp_asv_get_uint32 (details, "change-reason", NULL);
 818   message = tp_asv_get_string (details, "message");
 819
 820   /* Contact renamed */
 821   if (reason == TP_CHANNEL_GROUP_CHANGE_REASON_RENAMED)
 822     {
 823       /* there can only be a single 'added' and a single 'removed' handle */
 824       if (removed->len != 1 || added->len != 1)
 825         {
 826           g_warning ("RENAMED with %u added, %u removed (expected 1, 1)",
 827             added->len, removed->len);
 828           return;
 829         }
 830
 831       contact_renamed (self, g_ptr_array_index (removed, 0),
 832           g_ptr_array_index (added, 0), reason, message);
 833       return;
 834     }
 835
 836   if (actor != NULL)
 837     {
 838       actor_contact = empathy_contact_dup_from_tp_contact (actor);
 839
 840       if (actor_contact == NULL)
 841         {
 842           /* FIXME: handle this a tad more gracefully: perhaps
 843            * the actor was a server op. We could use the
 844            * contact-ids detail of MembersChangedDetailed.
 845            */
 846           DEBUG ("actor %s not a channel member",
 847               tp_contact_get_identifier (actor));
 848         }
 849     }
 850
 851   /* Remove contacts that are not members anymore */
 852   for (i = 0; i < removed->len; i++)
 853     {
 854       TpContact *tp_contact = g_ptr_array_index (removed, i);
 855       EmpathyContact *contact;
 856
 857       contact = empathy_contact_dup_from_tp_contact (tp_contact);
 858
 859       if (contact != NULL)
 860         {
 861           remove_member (self, contact);
 862
 863           g_signal_emit (self, signals[SIG_MEMBERS_CHANGED], 0,
 864                      contact, actor_contact, reason, message, FALSE);
 865           g_object_unref (contact);
 866         }
 867     }
 868
 869   if (added->len > 0)
 870     {
 871       add_members_contact (self, added);
 872     }
 873
 874   if (actor_contact != NULL)
 875     g_object_unref (actor_contact);
 876 }
 877
 878 static void
 879 create_remote_contact (EmpathyTpChat *self,
 880     TpContact *contact)
 881 {
 882   self->priv->remote_contact = empathy_contact_dup_from_tp_contact (contact);
 883   g_object_notify (G_OBJECT (self), "remote-contact");
 884
 885   check_almost_ready (self);
 886 }
 887
 888 static void
 889 create_self_contact (EmpathyTpChat *self,
 890     TpContact *contact)
 891 {
 892   self->priv->user = empathy_contact_dup_from_tp_contact (contact);
 893   empathy_contact_set_is_user (self->priv->user, TRUE);
 894   g_object_notify (G_OBJECT (self), "self-contact");
 895   check_almost_ready (self);
 896 }
 897
 898 static void
 899 tp_chat_get_property (GObject *object,
 900     guint param_id,
 901     GValue *value,
 902     GParamSpec *pspec)
 903 {
 904   EmpathyTpChat *self = EMPATHY_TP_CHAT (object);
 905
 906   switch (param_id)
 907     {
 908       case PROP_ACCOUNT:
 909         g_value_set_object (value, self->priv->account);
 910         break;
 911       case PROP_SELF_CONTACT:
 912         g_value_set_object (value, self->priv->user);
 913         break;
 914       case PROP_REMOTE_CONTACT:
 915         g_value_set_object (value, self->priv->remote_contact);
 916         break;
 917       case PROP_N_MESSAGES_SENDING:
 918         g_value_set_uint (value,
 919           g_hash_table_size (self->priv->messages_being_sent));
 920         break;
 921       case PROP_TITLE:
 922         g_value_set_string (value,
 923           empathy_tp_chat_get_title (self));
 924         break;
 925       case PROP_SUBJECT:
 926         g_value_set_string (value,
 927           empathy_tp_chat_get_subject (self));
 928         break;
 929       default:
 930         G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 931         break;
 932     };
 933 }
 934
 935 static void
 936 tp_chat_set_property (GObject *object,
 937     guint param_id,
 938     const GValue *value,
 939     GParamSpec   *pspec)
 940 {
 941   EmpathyTpChat *self = EMPATHY_TP_CHAT (object);
 942
 943   switch (param_id)
 944     {
 945       case PROP_ACCOUNT:
 946         self->priv->account = g_value_dup_object (value);
 947         break;
 948       default:
 949         G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 950         break;
 951     };
 952 }
 953
 954 enum {
 955   FEAT_READY,
 956   N_FEAT
 957 };
 958
 959 static const TpProxyFeature *
 960 tp_chat_list_features (TpProxyClass *cls G_GNUC_UNUSED)
 961 {
 962   static TpProxyFeature features[N_FEAT + 1] = { { 0 } };
 963   static GQuark need[2] = {0, 0};
 964
 965   if (G_LIKELY (features[0].name != 0))
 966     return features;
 967
 968   features[FEAT_READY].name = EMPATHY_TP_CHAT_FEATURE_READY;
 969   need[0] = TP_TEXT_CHANNEL_FEATURE_INCOMING_MESSAGES;
 970   features[FEAT_READY].depends_on = need;
 971   features[FEAT_READY].prepare_async =
 972     tp_chat_prepare_ready_async;
 973
 974   /* assert that the terminator at the end is there */
 975   g_assert (features[N_FEAT].name == 0);
 976
 977   return features;
 978 }
 979
 980 static void
 981 empathy_tp_chat_class_init (EmpathyTpChatClass *klass)
 982 {
 983   GObjectClass *object_class = G_OBJECT_CLASS (klass);
 984   TpProxyClass *proxy_class = TP_PROXY_CLASS (klass);
 985
 986   object_class->dispose = tp_chat_dispose;
 987   object_class->finalize = tp_chat_finalize;
 988   object_class->get_property = tp_chat_get_property;
 989   object_class->set_property = tp_chat_set_property;
 990
 991   proxy_class->list_features = tp_chat_list_features;
 992
 993   g_object_class_install_property (object_class, PROP_ACCOUNT,
 994       g_param_spec_object ("account", "TpAccount",
 995         "the account associated with the chat",
 996         TP_TYPE_ACCOUNT,
 997         G_PARAM_READWRITE |
 998         G_PARAM_CONSTRUCT_ONLY |
 999         G_PARAM_STATIC_STRINGS));
1000
1001   /**
1002    * EmpathyTpChat:self-contact:
1003    *
1004    * Not to be confused with TpChannel:group-self-contact.
1005    */
1006   g_object_class_install_property (object_class, PROP_SELF_CONTACT,
1007       g_param_spec_object ("self-contact", "The local contact",
1008         "The EmpathyContact for the local user on this channel",
1009         EMPATHY_TYPE_CONTACT,
1010         G_PARAM_READABLE));
1011
1012   g_object_class_install_property (object_class, PROP_REMOTE_CONTACT,
1013       g_param_spec_object ("remote-contact", "The remote contact",
1014         "The remote contact if there is no group iface on the channel",
1015         EMPATHY_TYPE_CONTACT,
1016         G_PARAM_READABLE));
1017
1018   g_object_class_install_property (object_class, PROP_N_MESSAGES_SENDING,
1019       g_param_spec_uint ("n-messages-sending", "Num Messages Sending",
1020         "The number of messages being sent",
1021         0, G_MAXUINT, 0,
1022         G_PARAM_READABLE));
1023
1024   g_object_class_install_property (object_class, PROP_TITLE,
1025       g_param_spec_string ("title", "Title",
1026         "A human-readable name for the room, if any",
1027         NULL,
1028         G_PARAM_READABLE |
1029         G_PARAM_STATIC_STRINGS));
1030
1031   g_object_class_install_property (object_class, PROP_SUBJECT,
1032       g_param_spec_string ("subject", "Subject",
1033         "The room's current subject, if any",
1034         NULL,
1035         G_PARAM_READABLE |
1036         G_PARAM_STATIC_STRINGS));
1037
1038   /* Signals */
1039   signals[MESSAGE_RECEIVED] = g_signal_new ("message-received-empathy",
1040       G_TYPE_FROM_CLASS (klass),
1041       G_SIGNAL_RUN_LAST,
1042       0,
1043       NULL, NULL,
1044       g_cclosure_marshal_generic,
1045       G_TYPE_NONE,
1046       1, EMPATHY_TYPE_MESSAGE);
1047
1048   signals[SEND_ERROR] = g_signal_new ("send-error",
1049       G_TYPE_FROM_CLASS (klass),
1050       G_SIGNAL_RUN_LAST,
1051       0,
1052       NULL, NULL,
1053       g_cclosure_marshal_generic,
1054       G_TYPE_NONE,
1055       3, G_TYPE_STRING, G_TYPE_UINT, G_TYPE_STRING);
1056
1057   signals[MESSAGE_ACKNOWLEDGED] = g_signal_new ("message-acknowledged",
1058       G_TYPE_FROM_CLASS (klass),
1059       G_SIGNAL_RUN_LAST,
1060       0,
1061       NULL, NULL,
1062       g_cclosure_marshal_generic,
1063       G_TYPE_NONE,
1064       1, EMPATHY_TYPE_MESSAGE);
1065
1066   signals[SIG_MEMBER_RENAMED] = g_signal_new ("member-renamed",
1067       G_OBJECT_CLASS_TYPE (klass),
1068       G_SIGNAL_RUN_LAST,
1069       0, NULL, NULL, NULL,
1070       G_TYPE_NONE,
1071       4, EMPATHY_TYPE_CONTACT, EMPATHY_TYPE_CONTACT,
1072       G_TYPE_UINT, G_TYPE_STRING);
1073
1074   signals[SIG_MEMBERS_CHANGED] = g_signal_new ("members-changed",
1075       G_OBJECT_CLASS_TYPE (klass),
1076       G_SIGNAL_RUN_LAST,
1077       0, NULL, NULL, NULL,
1078       G_TYPE_NONE,
1079       5, EMPATHY_TYPE_CONTACT, EMPATHY_TYPE_CONTACT,
1080       G_TYPE_UINT, G_TYPE_STRING, G_TYPE_BOOLEAN);
1081
1082   g_type_class_add_private (object_class, sizeof (EmpathyTpChatPrivate));
1083 }
1084
1085 static void
1086 empathy_tp_chat_init (EmpathyTpChat *self)
1087 {
1088   self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self, EMPATHY_TYPE_TP_CHAT,
1089       EmpathyTpChatPrivate);
1090
1091   self->priv->pending_messages_queue = g_queue_new ();
1092   self->priv->messages_being_sent = g_hash_table_new_full (
1093       g_str_hash, g_str_equal, g_free, NULL);
1094 }
1095
1096 EmpathyTpChat *
1097 empathy_tp_chat_new (TpSimpleClientFactory *factory,
1098     TpAccount *account,
1099     TpConnection *conn,
1100     const gchar *object_path,
1101     const GHashTable *immutable_properties)
1102 {
1103   TpProxy *conn_proxy = (TpProxy *) conn;
1104
1105   g_return_val_if_fail (TP_IS_ACCOUNT (account), NULL);
1106   g_return_val_if_fail (TP_IS_CONNECTION (conn), NULL);
1107   g_return_val_if_fail (immutable_properties != NULL, NULL);
1108
1109   return g_object_new (EMPATHY_TYPE_TP_CHAT,
1110       "factory", factory,
1111        "account", account,
1112        "connection", conn,
1113        "dbus-daemon", conn_proxy->dbus_daemon,
1114        "bus-name", conn_proxy->bus_name,
1115        "object-path", object_path,
1116        "channel-properties", immutable_properties,
1117        NULL);
1118 }
1119
1120 const gchar *
1121 empathy_tp_chat_get_id (EmpathyTpChat *self)
1122 {
1123   const gchar *id;
1124
1125   g_return_val_if_fail (EMPATHY_IS_TP_CHAT (self), NULL);
1126
1127   id = tp_channel_get_identifier ((TpChannel *) self);
1128   if (!EMP_STR_EMPTY (id))
1129     return id;
1130   else if (self->priv->remote_contact)
1131     return empathy_contact_get_id (self->priv->remote_contact);
1132   else
1133     return NULL;
1134
1135 }
1136
1137 EmpathyContact *
1138 empathy_tp_chat_get_remote_contact (EmpathyTpChat *self)
1139 {
1140   g_return_val_if_fail (EMPATHY_IS_TP_CHAT (self), NULL);
1141
1142   return self->priv->remote_contact;
1143 }
1144
1145 TpAccount *
1146 empathy_tp_chat_get_account (EmpathyTpChat *self)
1147 {
1148   g_return_val_if_fail (EMPATHY_IS_TP_CHAT (self), NULL);
1149
1150   return self->priv->account;
1151 }
1152
1153 void
1154 empathy_tp_chat_send (EmpathyTpChat *self,
1155           TpMessage *message)
1156 {
1157   gchar *message_body;
1158
1159   g_return_if_fail (EMPATHY_IS_TP_CHAT (self));
1160   g_return_if_fail (TP_IS_CLIENT_MESSAGE (message));
1161
1162   message_body = tp_message_to_text (message, NULL);
1163
1164   DEBUG ("Sending message: %s", message_body);
1165
1166   tp_text_channel_send_message_async (TP_TEXT_CHANNEL (self),
1167     message, TP_MESSAGE_SENDING_FLAG_REPORT_DELIVERY,
1168     message_send_cb, self);
1169
1170   g_free (message_body);
1171 }
1172
1173 const GList *
1174 empathy_tp_chat_get_pending_messages (EmpathyTpChat *self)
1175 {
1176   g_return_val_if_fail (EMPATHY_IS_TP_CHAT (self), NULL);
1177
1178   return self->priv->pending_messages_queue->head;
1179 }
1180
1181 void
1182 empathy_tp_chat_acknowledge_message (EmpathyTpChat *self,
1183     EmpathyMessage *message)
1184 {
1185   TpMessage *tp_msg;
1186
1187   g_return_if_fail (EMPATHY_IS_TP_CHAT (self));
1188
1189   if (!empathy_message_is_incoming (message))
1190     return;
1191
1192   tp_msg = empathy_message_get_tp_message (message);
1193   tp_text_channel_ack_message_async (TP_TEXT_CHANNEL (self),
1194              tp_msg, NULL, NULL);
1195 }
1196
1197 /**
1198  * empathy_tp_chat_can_add_contact:
1199  *
1200  * Returns: %TRUE if empathy_contact_list_add() will work for this channel.
1201  * That is if this chat is a 1-to-1 channel that can be upgraded to
1202  * a MUC using the Conference interface or if the channel is a MUC.
1203  */
1204 gboolean
1205 empathy_tp_chat_can_add_contact (EmpathyTpChat *self)
1206 {
1207   g_return_val_if_fail (EMPATHY_IS_TP_CHAT (self), FALSE);
1208
1209   return self->priv->can_upgrade_to_muc ||
1210     tp_proxy_has_interface_by_id (self,
1211       TP_IFACE_QUARK_CHANNEL_INTERFACE_GROUP);;
1212 }
1213
1214 static void
1215 tp_channel_leave_async_cb (GObject *source_object,
1216         GAsyncResult *res,
1217         gpointer user_data)
1218 {
1219   GError *error = NULL;
1220
1221   if (!tp_channel_leave_finish (TP_CHANNEL (source_object), res, &error))
1222     {
1223       DEBUG ("Could not leave channel properly: (%s); closing the channel",
1224         error->message);
1225       g_error_free (error);
1226     }
1227 }
1228
1229 void
1230 empathy_tp_chat_leave (EmpathyTpChat *self,
1231     const gchar *message)
1232 {
1233   TpChannel *channel = (TpChannel *) self;
1234
1235   DEBUG ("Leaving channel %s with message \"%s\"",
1236     tp_channel_get_identifier (channel), message);
1237
1238   tp_channel_leave_async (channel, TP_CHANNEL_GROUP_CHANGE_REASON_NONE,
1239     message, tp_channel_leave_async_cb, self);
1240 }
1241
1242 gboolean
1243 empathy_tp_chat_is_invited (EmpathyTpChat *self,
1244     TpContact **inviter)
1245 {
1246   TpContact *self_contact;
1247   TpChannel *channel = TP_CHANNEL (self);
1248
1249   if (!tp_proxy_has_interface (self, TP_IFACE_CHANNEL_INTERFACE_GROUP))
1250     return FALSE;
1251
1252   self_contact = tp_channel_group_get_self_contact (channel);
1253   if (self_contact == NULL)
1254     return FALSE;
1255
1256   return tp_channel_group_get_local_pending_contact_info (channel,
1257       self_contact, inviter, NULL, NULL);
1258 }
1259
1260 TpChannelChatState
1261 empathy_tp_chat_get_chat_state (EmpathyTpChat *self,
1262     EmpathyContact *contact)
1263 {
1264   return tp_text_channel_get_chat_state ((TpTextChannel *) self,
1265     empathy_contact_get_tp_contact (contact));
1266 }
1267
1268 EmpathyContact *
1269 empathy_tp_chat_get_self_contact (EmpathyTpChat *self)
1270 {
1271   g_return_val_if_fail (EMPATHY_IS_TP_CHAT (self), NULL);
1272
1273   return self->priv->user;
1274 }
1275
1276 GQuark
1277 empathy_tp_chat_get_feature_ready (void)
1278 {
1279   return g_quark_from_static_string ("empathy-tp-chat-feature-ready");
1280 }
1281
1282 static void
1283 tp_chat_prepare_ready_async (TpProxy *proxy,
1284   const TpProxyFeature *feature,
1285   GAsyncReadyCallback callback,
1286   gpointer user_data)
1287 {
1288   EmpathyTpChat *self = (EmpathyTpChat *) proxy;
1289   TpChannel *channel = (TpChannel *) proxy;
1290   TpConnection *connection;
1291   gboolean listen_for_dbus_properties_changed = FALSE;
1292
1293   g_assert (self->priv->ready_result == NULL);
1294   self->priv->ready_result = g_simple_async_result_new (G_OBJECT (self),
1295     callback, user_data, tp_chat_prepare_ready_async);
1296
1297   connection = tp_channel_borrow_connection (channel);
1298
1299   if (tp_proxy_has_interface_by_id (self,
1300             TP_IFACE_QUARK_CHANNEL_INTERFACE_GROUP))
1301     {
1302       GPtrArray *contacts;
1303       TpContact *contact;
1304
1305       /* Get self contact from the group's self handle */
1306       contact = tp_channel_group_get_self_contact (channel);
1307       create_self_contact (self, contact);
1308
1309       /* Get initial member contacts */
1310       contacts = tp_channel_group_dup_members_contacts (channel);
1311       add_members_contact (self, contacts);
1312       g_ptr_array_unref (contacts);
1313
1314       self->priv->can_upgrade_to_muc = FALSE;
1315
1316       tp_g_signal_connect_object (self, "group-contacts-changed",
1317         G_CALLBACK (tp_chat_group_contacts_changed_cb), self, 0);
1318     }
1319   else
1320     {
1321       TpCapabilities *caps;
1322       GVariant *classes, *class;
1323       GVariantIter iter;
1324       TpContact *contact;
1325
1326       /* Get the self contact from the connection's self handle */
1327       contact = tp_connection_get_self_contact (connection);
1328       create_self_contact (self, contact);
1329
1330       /* Get the remote contact */
1331       contact = tp_channel_get_target_contact (channel);
1332       create_remote_contact (self, contact);
1333
1334       caps = tp_connection_get_capabilities (connection);
1335       g_assert (caps != NULL);
1336
1337       classes = tp_capabilities_dup_channel_classes_variant (caps);
1338
1339       g_variant_iter_init (&iter, classes);
1340       while ((class = g_variant_iter_next_value (&iter)))
1341         {
1342           GVariant *fixed, *allowed;
1343           const gchar *chan_type = NULL;
1344
1345           fixed = g_variant_get_child_value (class, 0);
1346           allowed = g_variant_get_child_value (class, 1);
1347
1348           g_variant_lookup (fixed, TP_PROP_CHANNEL_CHANNEL_TYPE, "&s",
1349               &chan_type);
1350           if (!tp_strdiff (chan_type, TP_IFACE_CHANNEL_TYPE_TEXT))
1351             {
1352               const gchar **oprops;
1353
1354               oprops = g_variant_get_strv (allowed, NULL);
1355
1356               if (tp_strv_contains (oprops,
1357                     TP_PROP_CHANNEL_INTERFACE_CONFERENCE_INITIAL_CHANNELS))
1358                 {
1359                   self->priv->can_upgrade_to_muc = TRUE;
1360                 }
1361
1362               g_free (oprops);
1363             }
1364
1365           g_variant_unref (class);
1366           g_variant_unref (fixed);
1367           g_variant_unref (allowed);
1368
1369           if (self->priv->can_upgrade_to_muc)
1370             break;
1371         }
1372
1373       g_variant_unref (classes);
1374     }
1375
1376   if (tp_proxy_has_interface_by_id (self,
1377             TP_IFACE_QUARK_CHANNEL_INTERFACE_SUBJECT))
1378     {
1379       tp_cli_dbus_properties_call_get_all (channel, -1,
1380                    TP_IFACE_CHANNEL_INTERFACE_SUBJECT,
1381                    tp_chat_get_all_subject_cb,
1382                    NULL, NULL,
1383                    G_OBJECT (self));
1384       listen_for_dbus_properties_changed = TRUE;
1385     }
1386
1387   if (tp_proxy_has_interface_by_id (self,
1388             TP_IFACE_QUARK_CHANNEL_INTERFACE_ROOM_CONFIG))
1389     {
1390       tp_cli_dbus_properties_call_get_all (channel, -1,
1391                    TP_IFACE_CHANNEL_INTERFACE_ROOM_CONFIG,
1392                    tp_chat_get_all_room_config_cb,
1393                    NULL, NULL,
1394                    G_OBJECT (self));
1395       listen_for_dbus_properties_changed = TRUE;
1396     }
1397
1398   if (listen_for_dbus_properties_changed)
1399     {
1400       tp_cli_dbus_properties_connect_to_properties_changed (channel,
1401                         tp_chat_dbus_properties_changed_cb,
1402                         NULL, NULL,
1403                         G_OBJECT (self), NULL);
1404     }
1405 }