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   gboolean preparing_password;
  63 };
  64
  65 enum
  66 {
  67   PROP_0,
  68   PROP_ACCOUNT,
  69   PROP_SELF_CONTACT,
  70   PROP_REMOTE_CONTACT,
  71   PROP_N_MESSAGES_SENDING,
  72   PROP_TITLE,
  73   PROP_SUBJECT,
  74 };
  75
  76 enum
  77 {
  78   MESSAGE_RECEIVED,
  79   SEND_ERROR,
  80   MESSAGE_ACKNOWLEDGED,
  81   SIG_MEMBER_RENAMED,
  82   SIG_MEMBERS_CHANGED,
  83   LAST_SIGNAL
  84 };
  85
  86 static guint signals[LAST_SIGNAL];
  87
  88 G_DEFINE_TYPE (EmpathyTpChat, empathy_tp_chat, TP_TYPE_TEXT_CHANNEL)
  89
  90 static void
  91 tp_chat_set_delivery_status (EmpathyTpChat *self,
  92     const gchar *token,
  93     EmpathyDeliveryStatus delivery_status)
  94 {
  95   TpDeliveryReportingSupportFlags flags =
  96     tp_text_channel_get_delivery_reporting_support (
  97       TP_TEXT_CHANNEL (self));
  98
  99   /* channel must support receiving failures and successes */
 100   if (!tp_str_empty (token) &&
 101       flags & TP_DELIVERY_REPORTING_SUPPORT_FLAG_RECEIVE_FAILURES &&
 102       flags & TP_DELIVERY_REPORTING_SUPPORT_FLAG_RECEIVE_SUCCESSES)
 103     {
 104       DEBUG ("Delivery status (%s) = %u", token, delivery_status);
 105
 106       switch (delivery_status)
 107         {
 108           case EMPATHY_DELIVERY_STATUS_NONE:
 109             g_hash_table_remove (self->priv->messages_being_sent,
 110               token);
 111             break;
 112
 113           default:
 114             g_hash_table_insert (self->priv->messages_being_sent,
 115               g_strdup (token),
 116               GUINT_TO_POINTER (delivery_status));
 117             break;
 118         }
 119
 120     g_object_notify (G_OBJECT (self), "n-messages-sending");
 121   }
 122 }
 123
 124 static void tp_chat_prepare_ready_async (TpProxy *proxy,
 125   const TpProxyFeature *feature,
 126   GAsyncReadyCallback callback,
 127   gpointer user_data);
 128
 129 static void
 130 tp_chat_async_cb (TpChannel *proxy,
 131     const GError *error,
 132     gpointer user_data,
 133     GObject *weak_object)
 134 {
 135   if (error != NULL)
 136     DEBUG ("Error %s: %s", (gchar *) user_data, error->message);
 137 }
 138
 139 static void
 140 create_conference_cb (GObject *source,
 141     GAsyncResult *result,
 142     gpointer user_data)
 143 {
 144   GError *error = NULL;
 145
 146   if (!tp_account_channel_request_create_channel_finish (
 147       TP_ACCOUNT_CHANNEL_REQUEST (source), result, &error))
 148     {
 149       DEBUG ("Failed to create conference channel: %s", error->message);
 150       g_error_free (error);
 151     }
 152 }
 153
 154 void
 155 empathy_tp_chat_add (EmpathyTpChat *self,
 156     EmpathyContact *contact,
 157     const gchar *message)
 158 {
 159   TpChannel *channel = (TpChannel *) self;
 160
 161   if (tp_proxy_has_interface_by_id (self,
 162     TP_IFACE_QUARK_CHANNEL_INTERFACE_GROUP))
 163     {
 164       TpHandle handle;
 165       GArray handles = {(gchar *) &handle, 1};
 166
 167       g_return_if_fail (EMPATHY_IS_CONTACT (contact));
 168
 169       handle = empathy_contact_get_handle (contact);
 170       tp_cli_channel_interface_group_call_add_members (channel,
 171         -1, &handles, NULL, NULL, NULL, NULL, NULL);
 172     }
 173   else if (self->priv->can_upgrade_to_muc)
 174     {
 175       TpAccountChannelRequest *req;
 176       GHashTable *props;
 177       const char *object_path;
 178       GPtrArray channels = { (gpointer *) &object_path, 1 };
 179       const char *invitees[2] = { NULL, };
 180       TpAccount *account;
 181
 182       invitees[0] = empathy_contact_get_id (contact);
 183       object_path = tp_proxy_get_object_path (self);
 184
 185       props = tp_asv_new (
 186           TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING,
 187               TP_IFACE_CHANNEL_TYPE_TEXT,
 188           TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, G_TYPE_UINT,
 189               TP_HANDLE_TYPE_NONE,
 190           TP_PROP_CHANNEL_INTERFACE_CONFERENCE_INITIAL_CHANNELS,
 191               TP_ARRAY_TYPE_OBJECT_PATH_LIST, &channels,
 192           TP_PROP_CHANNEL_INTERFACE_CONFERENCE_INITIAL_INVITEE_IDS,
 193               G_TYPE_STRV, invitees,
 194           /* FIXME: InvitationMessage ? */
 195           NULL);
 196
 197       account = empathy_tp_chat_get_account (self);
 198
 199       req = tp_account_channel_request_new (account, props,
 200         TP_USER_ACTION_TIME_NOT_USER_ACTION);
 201
 202       /* Although this is a MUC, it's anonymous, so CreateChannel is
 203        * valid. */
 204       tp_account_channel_request_create_channel_async (req,
 205           EMPATHY_CHAT_BUS_NAME, NULL, create_conference_cb, NULL);
 206
 207       g_object_unref (req);
 208       g_hash_table_unref (props);
 209     }
 210   else
 211     {
 212       g_warning ("Cannot add to this channel");
 213     }
 214 }
 215
 216 GList *
 217 empathy_tp_chat_get_members (EmpathyTpChat *self)
 218 {
 219   GList *members = NULL;
 220
 221   if (self->priv->members)
 222     {
 223       members = g_list_copy (self->priv->members);
 224       g_list_foreach (members, (GFunc) g_object_ref, NULL);
 225     }
 226   else
 227     {
 228       members = g_list_prepend (members, g_object_ref (self->priv->user));
 229
 230       if (self->priv->remote_contact != NULL)
 231         members = g_list_prepend (members,
 232             g_object_ref (self->priv->remote_contact));
 233     }
 234
 235   return members;
 236 }
 237
 238 static void
 239 check_ready (EmpathyTpChat *self)
 240 {
 241   if (self->priv->ready_result == NULL)
 242     return;
 243
 244   DEBUG ("Ready");
 245
 246   g_simple_async_result_complete_in_idle (self->priv->ready_result);
 247   tp_clear_object (&self->priv->ready_result);
 248 }
 249
 250 static void
 251 tp_chat_build_message (EmpathyTpChat *self,
 252     TpMessage *msg,
 253     gboolean incoming)
 254 {
 255   EmpathyMessage *message;
 256   TpContact *sender;
 257
 258   message = empathy_message_new_from_tp_message (msg, incoming);
 259   /* FIXME: this is actually a lie for incoming messages. */
 260   empathy_message_set_receiver (message, self->priv->user);
 261
 262   sender = tp_signalled_message_get_sender (msg);
 263   g_assert (sender != NULL);
 264
 265   if (tp_contact_get_handle (sender) == 0)
 266     {
 267       empathy_message_set_sender (message, self->priv->user);
 268     }
 269   else
 270     {
 271       EmpathyContact *contact;
 272
 273       contact = empathy_contact_dup_from_tp_contact (sender);
 274
 275       empathy_message_set_sender (message, contact);
 276
 277       g_object_unref (contact);
 278     }
 279
 280   g_queue_push_tail (self->priv->pending_messages_queue, message);
 281   g_signal_emit (self, signals[MESSAGE_RECEIVED], 0, message);
 282 }
 283
 284 static void
 285 handle_delivery_report (EmpathyTpChat *self,
 286     TpMessage *message)
 287 {
 288   TpDeliveryStatus delivery_status;
 289   const GHashTable *header;
 290   TpChannelTextSendError delivery_error;
 291   gboolean valid;
 292   GPtrArray *echo;
 293   const gchar *message_body = NULL;
 294   const gchar *delivery_dbus_error;
 295   const gchar *delivery_token = NULL;
 296
 297   header = tp_message_peek (message, 0);
 298   if (header == NULL)
 299     goto out;
 300
 301   delivery_token = tp_asv_get_string (header, "delivery-token");
 302   delivery_status = tp_asv_get_uint32 (header, "delivery-status", &valid);
 303
 304   if (!valid)
 305     {
 306       goto out;
 307     }
 308   else if (delivery_status == TP_DELIVERY_STATUS_ACCEPTED)
 309     {
 310       DEBUG ("Accepted %s", delivery_token);
 311       tp_chat_set_delivery_status (self, delivery_token,
 312         EMPATHY_DELIVERY_STATUS_ACCEPTED);
 313       goto out;
 314     }
 315   else if (delivery_status == TP_DELIVERY_STATUS_DELIVERED)
 316     {
 317       DEBUG ("Delivered %s", delivery_token);
 318       tp_chat_set_delivery_status (self, delivery_token,
 319         EMPATHY_DELIVERY_STATUS_NONE);
 320       goto out;
 321     }
 322   else if (delivery_status != TP_DELIVERY_STATUS_PERMANENTLY_FAILED &&
 323        delivery_status != TP_DELIVERY_STATUS_TEMPORARILY_FAILED)
 324     {
 325       goto out;
 326     }
 327
 328   delivery_error = tp_asv_get_uint32 (header, "delivery-error", &valid);
 329   if (!valid)
 330     delivery_error = TP_CHANNEL_TEXT_SEND_ERROR_UNKNOWN;
 331
 332   delivery_dbus_error = tp_asv_get_string (header, "delivery-dbus-error");
 333
 334   /* TODO: ideally we should use tp-glib API giving us the echoed message as a
 335    * TpMessage. (fdo #35884) */
 336   echo = tp_asv_get_boxed (header, "delivery-echo",
 337     TP_ARRAY_TYPE_MESSAGE_PART_LIST);
 338   if (echo != NULL && echo->len >= 2)
 339     {
 340       const GHashTable *echo_body;
 341
 342       echo_body = g_ptr_array_index (echo, 1);
 343       if (echo_body != NULL)
 344         message_body = tp_asv_get_string (echo_body, "content");
 345     }
 346
 347   tp_chat_set_delivery_status (self, delivery_token,
 348       EMPATHY_DELIVERY_STATUS_NONE);
 349   g_signal_emit (self, signals[SEND_ERROR], 0, message_body,
 350       delivery_error, delivery_dbus_error);
 351
 352 out:
 353   tp_text_channel_ack_message_async (TP_TEXT_CHANNEL (self),
 354     message, NULL, NULL);
 355 }
 356
 357 static void
 358 handle_incoming_message (EmpathyTpChat *self,
 359     TpMessage *message,
 360     gboolean pending)
 361 {
 362   gchar *message_body;
 363
 364   if (tp_message_is_delivery_report (message))
 365     {
 366       handle_delivery_report (self, message);
 367       return;
 368     }
 369
 370   message_body = tp_message_to_text (message, NULL);
 371
 372   DEBUG ("Message %s (channel %s): %s",
 373     pending ? "pending" : "received",
 374     tp_proxy_get_object_path (self), message_body);
 375
 376   if (message_body == NULL)
 377     {
 378       DEBUG ("Empty message with NonTextContent, ignoring and acking.");
 379
 380       tp_text_channel_ack_message_async (TP_TEXT_CHANNEL (self),
 381         message, NULL, NULL);
 382       return;
 383     }
 384
 385   tp_chat_build_message (self, message, TRUE);
 386
 387   g_free (message_body);
 388 }
 389
 390 static void
 391 message_received_cb (TpTextChannel *channel,
 392     TpMessage *message,
 393     EmpathyTpChat *self)
 394 {
 395   handle_incoming_message (self, message, FALSE);
 396 }
 397
 398 static gboolean
 399 find_pending_message_func (gconstpointer a,
 400     gconstpointer b)
 401 {
 402   EmpathyMessage *msg = (EmpathyMessage *) a;
 403   TpMessage *message = (TpMessage *) b;
 404
 405   if (empathy_message_get_tp_message (msg) == message)
 406     return 0;
 407
 408   return -1;
 409 }
 410
 411 static void
 412 pending_message_removed_cb (TpTextChannel   *channel,
 413     TpMessage *message,
 414     EmpathyTpChat *self)
 415 {
 416   GList *m;
 417
 418   m = g_queue_find_custom (self->priv->pending_messages_queue, message,
 419       find_pending_message_func);
 420
 421   if (m == NULL)
 422     return;
 423
 424   g_signal_emit (self, signals[MESSAGE_ACKNOWLEDGED], 0, m->data);
 425
 426   g_object_unref (m->data);
 427   g_queue_delete_link (self->priv->pending_messages_queue, m);
 428 }
 429
 430 static void
 431 message_sent_cb (TpTextChannel *channel,
 432     TpMessage *message,
 433     TpMessageSendingFlags flags,
 434     gchar *token,
 435     EmpathyTpChat *self)
 436 {
 437   gchar *message_body;
 438
 439   message_body = tp_message_to_text (message, NULL);
 440
 441   DEBUG ("Message sent: %s", message_body);
 442
 443   tp_chat_build_message (self, message, FALSE);
 444
 445   g_free (message_body);
 446 }
 447
 448 static TpChannelTextSendError
 449 error_to_text_send_error (GError *error)
 450 {
 451   if (error->domain != TP_ERROR)
 452     return TP_CHANNEL_TEXT_SEND_ERROR_UNKNOWN;
 453
 454   switch (error->code)
 455     {
 456       case TP_ERROR_OFFLINE:
 457         return TP_CHANNEL_TEXT_SEND_ERROR_OFFLINE;
 458       case TP_ERROR_INVALID_HANDLE:
 459         return TP_CHANNEL_TEXT_SEND_ERROR_INVALID_CONTACT;
 460       case TP_ERROR_PERMISSION_DENIED:
 461         return TP_CHANNEL_TEXT_SEND_ERROR_PERMISSION_DENIED;
 462       case TP_ERROR_NOT_IMPLEMENTED:
 463         return TP_CHANNEL_TEXT_SEND_ERROR_NOT_IMPLEMENTED;
 464     }
 465
 466   return TP_CHANNEL_TEXT_SEND_ERROR_UNKNOWN;
 467 }
 468
 469 static void
 470 message_send_cb (GObject *source,
 471      GAsyncResult *result,
 472      gpointer user_data)
 473 {
 474   EmpathyTpChat *self = user_data;
 475   TpTextChannel *channel = (TpTextChannel *) source;
 476   gchar *token = NULL;
 477   GError *error = NULL;
 478
 479   if (!tp_text_channel_send_message_finish (channel, result, &token, &error))
 480     {
 481       DEBUG ("Error: %s", error->message);
 482
 483       /* FIXME: we should use the body of the message as first argument of the
 484        * signal but can't easily get it as we just get a user_data pointer. Once
 485        * we'll have rebased EmpathyTpChat on top of TpTextChannel we'll be able
 486        * to use the user_data pointer to pass the message and fix this. */
 487       g_signal_emit (self, signals[SEND_ERROR], 0,
 488                NULL, error_to_text_send_error (error), NULL);
 489
 490       g_error_free (error);
 491     }
 492
 493   tp_chat_set_delivery_status (self, token,
 494     EMPATHY_DELIVERY_STATUS_SENDING);
 495   g_free (token);
 496 }
 497
 498 static void
 499 list_pending_messages (EmpathyTpChat *self)
 500 {
 501   GList *messages, *l;
 502
 503   messages = tp_text_channel_dup_pending_messages (TP_TEXT_CHANNEL (self));
 504
 505   for (l = messages; l != NULL; l = g_list_next (l))
 506     {
 507       TpMessage *message = l->data;
 508
 509       handle_incoming_message (self, message, FALSE);
 510     }
 511
 512   g_list_free_full (messages, g_object_unref);
 513 }
 514
 515 static void
 516 update_subject (EmpathyTpChat *self,
 517     GHashTable *properties)
 518 {
 519   gboolean can_set, valid;
 520   const gchar *subject;
 521
 522   can_set = tp_asv_get_boolean (properties, "CanSet", &valid);
 523   if (valid)
 524     self->priv->can_set_subject = can_set;
 525
 526   subject = tp_asv_get_string (properties, "Subject");
 527   if (subject != NULL)
 528     {
 529       const gchar *actor;
 530
 531       g_free (self->priv->subject);
 532       self->priv->subject = g_strdup (subject);
 533
 534       /* If the actor is included with this update, use it;
 535        * otherwise, clear it to avoid showing stale information.
 536        * Why might it not be included? When you join an IRC channel,
 537        * you get a pair of messages: first, the current topic; next,
 538        * who set it, and when. Idle reports these in two separate
 539        * signals.
 540        */
 541       actor = tp_asv_get_string (properties, "Actor");
 542       g_free (self->priv->subject_actor);
 543       self->priv->subject_actor = g_strdup (actor);
 544
 545       g_object_notify (G_OBJECT (self), "subject");
 546     }
 547
 548   /* TODO: track Timestamp. */
 549 }
 550
 551 static void
 552 tp_chat_get_all_subject_cb (TpProxy *proxy,
 553     GHashTable *properties,
 554     const GError *error,
 555     gpointer user_data G_GNUC_UNUSED,
 556     GObject *chat)
 557 {
 558   EmpathyTpChat *self = EMPATHY_TP_CHAT (chat);
 559
 560   if (error != NULL)
 561     {
 562       DEBUG ("Error fetching subject: %s", error->message);
 563       return;
 564     }
 565
 566   self->priv->supports_subject = TRUE;
 567   update_subject (self, properties);
 568 }
 569
 570 static void
 571 update_title (EmpathyTpChat *self,
 572     GHashTable *properties)
 573 {
 574   const gchar *title = tp_asv_get_string (properties, "Title");
 575
 576   if (title != NULL)
 577     {
 578       if (tp_str_empty (title))
 579         title = NULL;
 580
 581       g_free (self->priv->title);
 582       self->priv->title = g_strdup (title);
 583       g_object_notify (G_OBJECT (self), "title");
 584     }
 585 }
 586
 587 static void
 588 tp_chat_get_all_room_config_cb (TpProxy *proxy,
 589     GHashTable *properties,
 590     const GError *error,
 591     gpointer user_data G_GNUC_UNUSED,
 592     GObject *chat)
 593 {
 594   EmpathyTpChat *self = EMPATHY_TP_CHAT (chat);
 595
 596   if (error)
 597     {
 598       DEBUG ("Error fetching room config: %s", error->message);
 599       return;
 600     }
 601
 602   update_title (self, properties);
 603 }
 604
 605 static void
 606 tp_chat_dbus_properties_changed_cb (TpProxy *proxy,
 607     const gchar *interface_name,
 608     GHashTable *changed,
 609     const gchar **invalidated,
 610     gpointer user_data,
 611     GObject *chat)
 612 {
 613   EmpathyTpChat *self = EMPATHY_TP_CHAT (chat);
 614
 615   if (!tp_strdiff (interface_name, TP_IFACE_CHANNEL_INTERFACE_SUBJECT))
 616     update_subject (self, changed);
 617
 618   if (!tp_strdiff (interface_name, TP_IFACE_CHANNEL_INTERFACE_ROOM_CONFIG))
 619     update_title (self, changed);
 620 }
 621
 622 void
 623 empathy_tp_chat_set_subject (EmpathyTpChat *self,
 624     const gchar *subject)
 625 {
 626   tp_cli_channel_interface_subject_call_set_subject (TP_CHANNEL (self), -1,
 627       subject, tp_chat_async_cb, "while setting subject", NULL,
 628       G_OBJECT (self));
 629 }
 630
 631 const gchar *
 632 empathy_tp_chat_get_title (EmpathyTpChat *self)
 633 {
 634   return self->priv->title;
 635 }
 636
 637 gboolean
 638 empathy_tp_chat_supports_subject (EmpathyTpChat *self)
 639 {
 640   return self->priv->supports_subject;
 641 }
 642
 643 gboolean
 644 empathy_tp_chat_can_set_subject (EmpathyTpChat *self)
 645 {
 646   return self->priv->can_set_subject;
 647 }
 648
 649 const gchar *
 650 empathy_tp_chat_get_subject (EmpathyTpChat *self)
 651 {
 652   return self->priv->subject;
 653 }
 654
 655 const gchar *
 656 empathy_tp_chat_get_subject_actor (EmpathyTpChat *self)
 657 {
 658   return self->priv->subject_actor;
 659 }
 660
 661 static void
 662 tp_chat_dispose (GObject *object)
 663 {
 664   EmpathyTpChat *self = EMPATHY_TP_CHAT (object);
 665
 666   tp_clear_object (&self->priv->remote_contact);
 667   tp_clear_object (&self->priv->user);
 668
 669   g_queue_foreach (self->priv->pending_messages_queue,
 670     (GFunc) g_object_unref, NULL);
 671   g_queue_clear (self->priv->pending_messages_queue);
 672
 673   tp_clear_object (&self->priv->ready_result);
 674
 675   if (G_OBJECT_CLASS (empathy_tp_chat_parent_class)->dispose)
 676     G_OBJECT_CLASS (empathy_tp_chat_parent_class)->dispose (object);
 677 }
 678
 679 static void
 680 tp_chat_finalize (GObject *object)
 681 {
 682   EmpathyTpChat *self = (EmpathyTpChat *) object;
 683
 684   DEBUG ("Finalize: %p", object);
 685
 686   g_queue_free (self->priv->pending_messages_queue);
 687   g_hash_table_unref (self->priv->messages_being_sent);
 688
 689   g_free (self->priv->title);
 690   g_free (self->priv->subject);
 691   g_free (self->priv->subject_actor);
 692
 693   G_OBJECT_CLASS (empathy_tp_chat_parent_class)->finalize (object);
 694 }
 695
 696 static void
 697 check_almost_ready (EmpathyTpChat *self)
 698 {
 699   TpChannel *channel = (TpChannel *) self;
 700
 701   if (self->priv->ready_result == NULL)
 702     return;
 703
 704   if (self->priv->user == NULL)
 705     return;
 706
 707   if (self->priv->preparing_password)
 708     return;
 709
 710   /* We need either the members (room) or the remote contact (private chat).
 711    * If the chat is protected by a password we can't get these information so
 712    * consider the chat as ready so it can be presented to the user. */
 713   if (!tp_channel_password_needed (channel) && self->priv->members == NULL &&
 714       self->priv->remote_contact == NULL)
 715     return;
 716
 717   g_assert (tp_proxy_is_prepared (self,
 718     TP_TEXT_CHANNEL_FEATURE_INCOMING_MESSAGES));
 719
 720   tp_g_signal_connect_object (self, "message-received",
 721     G_CALLBACK (message_received_cb), self, 0);
 722   tp_g_signal_connect_object (self, "pending-message-removed",
 723     G_CALLBACK (pending_message_removed_cb), self, 0);
 724
 725   list_pending_messages (self);
 726
 727   tp_g_signal_connect_object (self, "message-sent",
 728     G_CALLBACK (message_sent_cb), self, 0);
 729
 730   check_ready (self);
 731 }
 732
 733 static void
 734 add_members_contact (EmpathyTpChat *self,
 735     GPtrArray *contacts)
 736 {
 737   guint i;
 738
 739   for (i = 0; i < contacts->len; i++)
 740     {
 741       EmpathyContact *contact;
 742
 743       contact = empathy_contact_dup_from_tp_contact (g_ptr_array_index (
 744             contacts, i));
 745
 746       self->priv->members = g_list_prepend (self->priv->members, contact);
 747
 748       g_signal_emit (self, signals[SIG_MEMBERS_CHANGED], 0,
 749                  contact, NULL, 0, NULL, TRUE);
 750     }
 751
 752   check_almost_ready (self);
 753 }
 754
 755 static void
 756 remove_member (EmpathyTpChat *self,
 757     EmpathyContact *contact)
 758 {
 759   GList *l;
 760
 761   for (l = self->priv->members; l; l = l->next)
 762     {
 763       EmpathyContact *c = l->data;
 764
 765       if (contact == c)
 766         {
 767           self->priv->members = g_list_delete_link (self->priv->members, l);
 768           g_object_unref (c);
 769           break;
 770         }
 771     }
 772 }
 773
 774 static void
 775 contact_renamed (EmpathyTpChat *self,
 776     TpContact *old_contact,
 777     TpContact *new_contact,
 778     TpChannelGroupChangeReason reason,
 779     const gchar *message)
 780 {
 781   EmpathyContact *old = NULL, *new = NULL;
 782
 783   old = empathy_contact_dup_from_tp_contact (old_contact);
 784   new = empathy_contact_dup_from_tp_contact (new_contact);
 785
 786   self->priv->members = g_list_prepend (self->priv->members, new);
 787
 788   if (old != NULL)
 789     {
 790       remove_member (self, old);
 791
 792       g_signal_emit (self, signals[SIG_MEMBER_RENAMED], 0, old, new,
 793           reason, message);
 794       g_object_unref (old);
 795     }
 796
 797   if (self->priv->user == old)
 798     {
 799       /* We change our nick */
 800       tp_clear_object (&self->priv->user);
 801       self->priv->user = g_object_ref (new);
 802       g_object_notify (G_OBJECT (self), "self-contact");
 803     }
 804
 805   check_almost_ready (self);
 806 }
 807
 808 static void
 809 tp_chat_group_contacts_changed_cb (TpChannel *channel,
 810     GPtrArray *added,
 811     GPtrArray *removed,
 812     GPtrArray *local_pending,
 813     GPtrArray *remote_pending,
 814     TpContact *actor,
 815     GHashTable *details,
 816     EmpathyTpChat *self)
 817 {
 818   EmpathyContact *actor_contact = NULL;
 819   guint i;
 820   TpChannelGroupChangeReason reason;
 821   const gchar *message;
 822
 823   reason = tp_asv_get_uint32 (details, "change-reason", NULL);
 824   message = tp_asv_get_string (details, "message");
 825
 826   /* Contact renamed */
 827   if (reason == TP_CHANNEL_GROUP_CHANGE_REASON_RENAMED)
 828     {
 829       /* there can only be a single 'added' and a single 'removed' handle */
 830       if (removed->len != 1 || added->len != 1)
 831         {
 832           g_warning ("RENAMED with %u added, %u removed (expected 1, 1)",
 833             added->len, removed->len);
 834           return;
 835         }
 836
 837       contact_renamed (self, g_ptr_array_index (removed, 0),
 838           g_ptr_array_index (added, 0), reason, message);
 839       return;
 840     }
 841
 842   if (actor != NULL)
 843     {
 844       actor_contact = empathy_contact_dup_from_tp_contact (actor);
 845
 846       if (actor_contact == NULL)
 847         {
 848           /* FIXME: handle this a tad more gracefully: perhaps
 849            * the actor was a server op. We could use the
 850            * contact-ids detail of MembersChangedDetailed.
 851            */
 852           DEBUG ("actor %s not a channel member",
 853               tp_contact_get_identifier (actor));
 854         }
 855     }
 856
 857   /* Remove contacts that are not members anymore */
 858   for (i = 0; i < removed->len; i++)
 859     {
 860       TpContact *tp_contact = g_ptr_array_index (removed, i);
 861       EmpathyContact *contact;
 862
 863       contact = empathy_contact_dup_from_tp_contact (tp_contact);
 864
 865       if (contact != NULL)
 866         {
 867           remove_member (self, contact);
 868
 869           g_signal_emit (self, signals[SIG_MEMBERS_CHANGED], 0,
 870                      contact, actor_contact, reason, message, FALSE);
 871           g_object_unref (contact);
 872         }
 873     }
 874
 875   if (added->len > 0)
 876     {
 877       add_members_contact (self, added);
 878     }
 879
 880   if (actor_contact != NULL)
 881     g_object_unref (actor_contact);
 882 }
 883
 884 static void
 885 create_remote_contact (EmpathyTpChat *self,
 886     TpContact *contact)
 887 {
 888   self->priv->remote_contact = empathy_contact_dup_from_tp_contact (contact);
 889   g_object_notify (G_OBJECT (self), "remote-contact");
 890
 891   check_almost_ready (self);
 892 }
 893
 894 static void
 895 create_self_contact (EmpathyTpChat *self,
 896     TpContact *contact)
 897 {
 898   self->priv->user = empathy_contact_dup_from_tp_contact (contact);
 899   empathy_contact_set_is_user (self->priv->user, TRUE);
 900   g_object_notify (G_OBJECT (self), "self-contact");
 901   check_almost_ready (self);
 902 }
 903
 904 static void
 905 tp_chat_get_property (GObject *object,
 906     guint param_id,
 907     GValue *value,
 908     GParamSpec *pspec)
 909 {
 910   EmpathyTpChat *self = EMPATHY_TP_CHAT (object);
 911
 912   switch (param_id)
 913     {
 914       case PROP_SELF_CONTACT:
 915         g_value_set_object (value, self->priv->user);
 916         break;
 917       case PROP_REMOTE_CONTACT:
 918         g_value_set_object (value, self->priv->remote_contact);
 919         break;
 920       case PROP_N_MESSAGES_SENDING:
 921         g_value_set_uint (value,
 922           g_hash_table_size (self->priv->messages_being_sent));
 923         break;
 924       case PROP_TITLE:
 925         g_value_set_string (value,
 926           empathy_tp_chat_get_title (self));
 927         break;
 928       case PROP_SUBJECT:
 929         g_value_set_string (value,
 930           empathy_tp_chat_get_subject (self));
 931         break;
 932       default:
 933         G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 934         break;
 935     };
 936 }
 937
 938 enum {
 939   FEAT_READY,
 940   N_FEAT
 941 };
 942
 943 static const TpProxyFeature *
 944 tp_chat_list_features (TpProxyClass *cls G_GNUC_UNUSED)
 945 {
 946   static TpProxyFeature features[N_FEAT + 1] = { { 0 } };
 947   static GQuark need[2] = {0, 0};
 948
 949   if (G_LIKELY (features[0].name != 0))
 950     return features;
 951
 952   features[FEAT_READY].name = EMPATHY_TP_CHAT_FEATURE_READY;
 953   need[0] = TP_TEXT_CHANNEL_FEATURE_INCOMING_MESSAGES;
 954   features[FEAT_READY].depends_on = need;
 955   features[FEAT_READY].prepare_async =
 956     tp_chat_prepare_ready_async;
 957
 958   /* assert that the terminator at the end is there */
 959   g_assert (features[N_FEAT].name == 0);
 960
 961   return features;
 962 }
 963
 964 static void
 965 empathy_tp_chat_class_init (EmpathyTpChatClass *klass)
 966 {
 967   GObjectClass *object_class = G_OBJECT_CLASS (klass);
 968   TpProxyClass *proxy_class = TP_PROXY_CLASS (klass);
 969
 970   object_class->dispose = tp_chat_dispose;
 971   object_class->finalize = tp_chat_finalize;
 972   object_class->get_property = tp_chat_get_property;
 973
 974   proxy_class->list_features = tp_chat_list_features;
 975
 976   /**
 977    * EmpathyTpChat:self-contact:
 978    *
 979    * Not to be confused with TpChannel:group-self-contact.
 980    */
 981   g_object_class_install_property (object_class, PROP_SELF_CONTACT,
 982       g_param_spec_object ("self-contact", "The local contact",
 983         "The EmpathyContact for the local user on this channel",
 984         EMPATHY_TYPE_CONTACT,
 985         G_PARAM_READABLE));
 986
 987   g_object_class_install_property (object_class, PROP_REMOTE_CONTACT,
 988       g_param_spec_object ("remote-contact", "The remote contact",
 989         "The remote contact if there is no group iface on the channel",
 990         EMPATHY_TYPE_CONTACT,
 991         G_PARAM_READABLE));
 992
 993   g_object_class_install_property (object_class, PROP_N_MESSAGES_SENDING,
 994       g_param_spec_uint ("n-messages-sending", "Num Messages Sending",
 995         "The number of messages being sent",
 996         0, G_MAXUINT, 0,
 997         G_PARAM_READABLE));
 998
 999   g_object_class_install_property (object_class, PROP_TITLE,
1000       g_param_spec_string ("title", "Title",
1001         "A human-readable name for the room, if any",
1002         NULL,
1003         G_PARAM_READABLE |
1004         G_PARAM_STATIC_STRINGS));
1005
1006   g_object_class_install_property (object_class, PROP_SUBJECT,
1007       g_param_spec_string ("subject", "Subject",
1008         "The room's current subject, if any",
1009         NULL,
1010         G_PARAM_READABLE |
1011         G_PARAM_STATIC_STRINGS));
1012
1013   /* Signals */
1014   signals[MESSAGE_RECEIVED] = g_signal_new ("message-received-empathy",
1015       G_TYPE_FROM_CLASS (klass),
1016       G_SIGNAL_RUN_LAST,
1017       0,
1018       NULL, NULL,
1019       g_cclosure_marshal_generic,
1020       G_TYPE_NONE,
1021       1, EMPATHY_TYPE_MESSAGE);
1022
1023   signals[SEND_ERROR] = g_signal_new ("send-error",
1024       G_TYPE_FROM_CLASS (klass),
1025       G_SIGNAL_RUN_LAST,
1026       0,
1027       NULL, NULL,
1028       g_cclosure_marshal_generic,
1029       G_TYPE_NONE,
1030       3, G_TYPE_STRING, G_TYPE_UINT, G_TYPE_STRING);
1031
1032   signals[MESSAGE_ACKNOWLEDGED] = g_signal_new ("message-acknowledged",
1033       G_TYPE_FROM_CLASS (klass),
1034       G_SIGNAL_RUN_LAST,
1035       0,
1036       NULL, NULL,
1037       g_cclosure_marshal_generic,
1038       G_TYPE_NONE,
1039       1, EMPATHY_TYPE_MESSAGE);
1040
1041   signals[SIG_MEMBER_RENAMED] = g_signal_new ("member-renamed",
1042       G_OBJECT_CLASS_TYPE (klass),
1043       G_SIGNAL_RUN_LAST,
1044       0, NULL, NULL, NULL,
1045       G_TYPE_NONE,
1046       4, EMPATHY_TYPE_CONTACT, EMPATHY_TYPE_CONTACT,
1047       G_TYPE_UINT, G_TYPE_STRING);
1048
1049   signals[SIG_MEMBERS_CHANGED] = g_signal_new ("members-changed",
1050       G_OBJECT_CLASS_TYPE (klass),
1051       G_SIGNAL_RUN_LAST,
1052       0, NULL, NULL, NULL,
1053       G_TYPE_NONE,
1054       5, EMPATHY_TYPE_CONTACT, EMPATHY_TYPE_CONTACT,
1055       G_TYPE_UINT, G_TYPE_STRING, G_TYPE_BOOLEAN);
1056
1057   g_type_class_add_private (object_class, sizeof (EmpathyTpChatPrivate));
1058 }
1059
1060 static void
1061 empathy_tp_chat_init (EmpathyTpChat *self)
1062 {
1063   self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self, EMPATHY_TYPE_TP_CHAT,
1064       EmpathyTpChatPrivate);
1065
1066   self->priv->pending_messages_queue = g_queue_new ();
1067   self->priv->messages_being_sent = g_hash_table_new_full (
1068       g_str_hash, g_str_equal, g_free, NULL);
1069 }
1070
1071 EmpathyTpChat *
1072 empathy_tp_chat_new (TpSimpleClientFactory *factory,
1073     TpConnection *conn,
1074     const gchar *object_path,
1075     const GHashTable *immutable_properties)
1076 {
1077   g_return_val_if_fail (TP_IS_CONNECTION (conn), NULL);
1078   g_return_val_if_fail (immutable_properties != NULL, NULL);
1079
1080   return g_object_new (EMPATHY_TYPE_TP_CHAT,
1081       "factory", factory,
1082        "connection", conn,
1083        "dbus-daemon", tp_proxy_get_dbus_daemon (conn),
1084        "bus-name", tp_proxy_get_bus_name (conn),
1085        "object-path", object_path,
1086        "channel-properties", immutable_properties,
1087        NULL);
1088 }
1089
1090 const gchar *
1091 empathy_tp_chat_get_id (EmpathyTpChat *self)
1092 {
1093   const gchar *id;
1094
1095   g_return_val_if_fail (EMPATHY_IS_TP_CHAT (self), NULL);
1096
1097   id = tp_channel_get_identifier ((TpChannel *) self);
1098   if (!EMP_STR_EMPTY (id))
1099     return id;
1100   else if (self->priv->remote_contact)
1101     return empathy_contact_get_id (self->priv->remote_contact);
1102   else
1103     return NULL;
1104
1105 }
1106
1107 EmpathyContact *
1108 empathy_tp_chat_get_remote_contact (EmpathyTpChat *self)
1109 {
1110   g_return_val_if_fail (EMPATHY_IS_TP_CHAT (self), NULL);
1111
1112   return self->priv->remote_contact;
1113 }
1114
1115 TpAccount *
1116 empathy_tp_chat_get_account (EmpathyTpChat *self)
1117 {
1118   TpConnection *connection;
1119
1120   g_return_val_if_fail (EMPATHY_IS_TP_CHAT (self), NULL);
1121
1122   connection = tp_channel_get_connection (TP_CHANNEL (self));
1123
1124   return tp_connection_get_account (connection);
1125 }
1126
1127 void
1128 empathy_tp_chat_send (EmpathyTpChat *self,
1129           TpMessage *message)
1130 {
1131   gchar *message_body;
1132
1133   g_return_if_fail (EMPATHY_IS_TP_CHAT (self));
1134   g_return_if_fail (TP_IS_CLIENT_MESSAGE (message));
1135
1136   message_body = tp_message_to_text (message, NULL);
1137
1138   DEBUG ("Sending message: %s", message_body);
1139
1140   tp_text_channel_send_message_async (TP_TEXT_CHANNEL (self),
1141     message, TP_MESSAGE_SENDING_FLAG_REPORT_DELIVERY,
1142     message_send_cb, self);
1143
1144   g_free (message_body);
1145 }
1146
1147 const GList *
1148 empathy_tp_chat_get_pending_messages (EmpathyTpChat *self)
1149 {
1150   g_return_val_if_fail (EMPATHY_IS_TP_CHAT (self), NULL);
1151
1152   return self->priv->pending_messages_queue->head;
1153 }
1154
1155 void
1156 empathy_tp_chat_acknowledge_message (EmpathyTpChat *self,
1157     EmpathyMessage *message)
1158 {
1159   TpMessage *tp_msg;
1160
1161   g_return_if_fail (EMPATHY_IS_TP_CHAT (self));
1162
1163   if (!empathy_message_is_incoming (message))
1164     return;
1165
1166   tp_msg = empathy_message_get_tp_message (message);
1167   tp_text_channel_ack_message_async (TP_TEXT_CHANNEL (self),
1168              tp_msg, NULL, NULL);
1169 }
1170
1171 /**
1172  * empathy_tp_chat_can_add_contact:
1173  *
1174  * Returns: %TRUE if empathy_contact_list_add() will work for this channel.
1175  * That is if this chat is a 1-to-1 channel that can be upgraded to
1176  * a MUC using the Conference interface or if the channel is a MUC.
1177  */
1178 gboolean
1179 empathy_tp_chat_can_add_contact (EmpathyTpChat *self)
1180 {
1181   g_return_val_if_fail (EMPATHY_IS_TP_CHAT (self), FALSE);
1182
1183   return self->priv->can_upgrade_to_muc ||
1184     tp_proxy_has_interface_by_id (self,
1185       TP_IFACE_QUARK_CHANNEL_INTERFACE_GROUP);;
1186 }
1187
1188 static void
1189 tp_channel_leave_async_cb (GObject *source_object,
1190         GAsyncResult *res,
1191         gpointer user_data)
1192 {
1193   GError *error = NULL;
1194
1195   if (!tp_channel_leave_finish (TP_CHANNEL (source_object), res, &error))
1196     {
1197       DEBUG ("Could not leave channel properly: (%s); closing the channel",
1198         error->message);
1199       g_error_free (error);
1200     }
1201 }
1202
1203 void
1204 empathy_tp_chat_leave (EmpathyTpChat *self,
1205     const gchar *message)
1206 {
1207   TpChannel *channel = (TpChannel *) self;
1208
1209   DEBUG ("Leaving channel %s with message \"%s\"",
1210     tp_channel_get_identifier (channel), message);
1211
1212   tp_channel_leave_async (channel, TP_CHANNEL_GROUP_CHANGE_REASON_NONE,
1213     message, tp_channel_leave_async_cb, self);
1214 }
1215
1216 gboolean
1217 empathy_tp_chat_is_invited (EmpathyTpChat *self,
1218     TpContact **inviter)
1219 {
1220   TpContact *self_contact;
1221   TpChannel *channel = TP_CHANNEL (self);
1222
1223   if (!tp_proxy_has_interface (self, TP_IFACE_CHANNEL_INTERFACE_GROUP))
1224     return FALSE;
1225
1226   self_contact = tp_channel_group_get_self_contact (channel);
1227   if (self_contact == NULL)
1228     return FALSE;
1229
1230   return tp_channel_group_get_local_pending_contact_info (channel,
1231       self_contact, inviter, NULL, NULL);
1232 }
1233
1234 TpChannelChatState
1235 empathy_tp_chat_get_chat_state (EmpathyTpChat *self,
1236     EmpathyContact *contact)
1237 {
1238   return tp_text_channel_get_chat_state ((TpTextChannel *) self,
1239     empathy_contact_get_tp_contact (contact));
1240 }
1241
1242 EmpathyContact *
1243 empathy_tp_chat_get_self_contact (EmpathyTpChat *self)
1244 {
1245   g_return_val_if_fail (EMPATHY_IS_TP_CHAT (self), NULL);
1246
1247   return self->priv->user;
1248 }
1249
1250 GQuark
1251 empathy_tp_chat_get_feature_ready (void)
1252 {
1253   return g_quark_from_static_string ("empathy-tp-chat-feature-ready");
1254 }
1255
1256 static void
1257 password_feature_prepare_cb (GObject *source,
1258     GAsyncResult *result,
1259     gpointer user_data)
1260 {
1261   EmpathyTpChat *self = user_data;
1262   GError *error = NULL;
1263
1264   if (!tp_proxy_prepare_finish (source, result, &error))
1265     {
1266       DEBUG ("Failed to prepare Password: %s", error->message);
1267       g_error_free (error);
1268     }
1269
1270   self->priv->preparing_password = FALSE;
1271
1272   check_almost_ready (self);
1273 }
1274
1275 static void
1276 tp_chat_prepare_ready_async (TpProxy *proxy,
1277   const TpProxyFeature *feature,
1278   GAsyncReadyCallback callback,
1279   gpointer user_data)
1280 {
1281   EmpathyTpChat *self = (EmpathyTpChat *) proxy;
1282   TpChannel *channel = (TpChannel *) proxy;
1283   TpConnection *connection;
1284   gboolean listen_for_dbus_properties_changed = FALSE;
1285
1286   g_assert (self->priv->ready_result == NULL);
1287   self->priv->ready_result = g_simple_async_result_new (G_OBJECT (self),
1288     callback, user_data, tp_chat_prepare_ready_async);
1289
1290   connection = tp_channel_get_connection (channel);
1291
1292   if (tp_proxy_has_interface_by_id (self,
1293         TP_IFACE_QUARK_CHANNEL_INTERFACE_PASSWORD))
1294     {
1295       /* The password feature can't be a hard dep on our own feature has we
1296        * depend on it only if the channel implements the
1297        * Password interface.
1298        */
1299       GQuark features[] = { TP_CHANNEL_FEATURE_PASSWORD , 0 };
1300
1301       self->priv->preparing_password = TRUE;
1302
1303       tp_proxy_prepare_async (self, features, password_feature_prepare_cb,
1304           self);
1305     }
1306
1307   if (tp_proxy_has_interface_by_id (self,
1308             TP_IFACE_QUARK_CHANNEL_INTERFACE_GROUP))
1309     {
1310       GPtrArray *contacts;
1311       TpContact *contact;
1312
1313       /* Get self contact from the group's self handle */
1314       contact = tp_channel_group_get_self_contact (channel);
1315       create_self_contact (self, contact);
1316
1317       /* Get initial member contacts */
1318       contacts = tp_channel_group_dup_members_contacts (channel);
1319       add_members_contact (self, contacts);
1320       g_ptr_array_unref (contacts);
1321
1322       self->priv->can_upgrade_to_muc = FALSE;
1323
1324       tp_g_signal_connect_object (self, "group-contacts-changed",
1325         G_CALLBACK (tp_chat_group_contacts_changed_cb), self, 0);
1326     }
1327   else
1328     {
1329       TpCapabilities *caps;
1330       GVariant *classes, *class;
1331       GVariantIter iter;
1332       TpContact *contact;
1333
1334       /* Get the self contact from the connection's self handle */
1335       contact = tp_connection_get_self_contact (connection);
1336       create_self_contact (self, contact);
1337
1338       /* Get the remote contact */
1339       contact = tp_channel_get_target_contact (channel);
1340       create_remote_contact (self, contact);
1341
1342       caps = tp_connection_get_capabilities (connection);
1343       g_assert (caps != NULL);
1344
1345       classes = tp_capabilities_dup_channel_classes_variant (caps);
1346
1347       g_variant_iter_init (&iter, classes);
1348       while ((class = g_variant_iter_next_value (&iter)))
1349         {
1350           GVariant *fixed, *allowed;
1351           const gchar *chan_type = NULL;
1352
1353           fixed = g_variant_get_child_value (class, 0);
1354           allowed = g_variant_get_child_value (class, 1);
1355
1356           g_variant_lookup (fixed, TP_PROP_CHANNEL_CHANNEL_TYPE, "&s",
1357               &chan_type);
1358           if (!tp_strdiff (chan_type, TP_IFACE_CHANNEL_TYPE_TEXT))
1359             {
1360               const gchar **oprops;
1361
1362               oprops = g_variant_get_strv (allowed, NULL);
1363
1364               if (tp_strv_contains (oprops,
1365                     TP_PROP_CHANNEL_INTERFACE_CONFERENCE_INITIAL_CHANNELS))
1366                 {
1367                   self->priv->can_upgrade_to_muc = TRUE;
1368                 }
1369
1370               g_free (oprops);
1371             }
1372
1373           g_variant_unref (class);
1374           g_variant_unref (fixed);
1375           g_variant_unref (allowed);
1376
1377           if (self->priv->can_upgrade_to_muc)
1378             break;
1379         }
1380
1381       g_variant_unref (classes);
1382     }
1383
1384   if (tp_proxy_has_interface_by_id (self,
1385             TP_IFACE_QUARK_CHANNEL_INTERFACE_SUBJECT))
1386     {
1387       tp_cli_dbus_properties_call_get_all (channel, -1,
1388                    TP_IFACE_CHANNEL_INTERFACE_SUBJECT,
1389                    tp_chat_get_all_subject_cb,
1390                    NULL, NULL,
1391                    G_OBJECT (self));
1392       listen_for_dbus_properties_changed = TRUE;
1393     }
1394
1395   if (tp_proxy_has_interface_by_id (self,
1396             TP_IFACE_QUARK_CHANNEL_INTERFACE_ROOM_CONFIG))
1397     {
1398       tp_cli_dbus_properties_call_get_all (channel, -1,
1399                    TP_IFACE_CHANNEL_INTERFACE_ROOM_CONFIG,
1400                    tp_chat_get_all_room_config_cb,
1401                    NULL, NULL,
1402                    G_OBJECT (self));
1403       listen_for_dbus_properties_changed = TRUE;
1404     }
1405
1406   if (listen_for_dbus_properties_changed)
1407     {
1408       tp_cli_dbus_properties_connect_to_properties_changed (channel,
1409                         tp_chat_dbus_properties_changed_cb,
1410                         NULL, NULL,
1411                         G_OBJECT (self), NULL);
1412     }
1413 }