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 #include "empathy-tp-chat.h"
  23
  24 #include <tp-account-widgets/tpaw-utils.h>
  25 #include <telepathy-glib/telepathy-glib-dbus.h>
  26
  27 #include "empathy-request-util.h"
  28 #include "empathy-utils.h"
  29
  30 #define DEBUG_FLAG EMPATHY_DEBUG_TP | EMPATHY_DEBUG_CHAT
  31 #include "empathy-debug.h"
  32
  33 struct _EmpathyTpChatPrivate
  34 {
  35   TpAccount *account;
  36   EmpathyContact *user;
  37   EmpathyContact *remote_contact;
  38   GList *members;
  39   /* Queue of messages signalled but not acked yet */
  40   GQueue *pending_messages_queue;
  41
  42   /* Subject */
  43   gboolean supports_subject;
  44   gboolean can_set_subject;
  45   gchar *subject;
  46   gchar *subject_actor;
  47
  48   /* Room config (for now, we only track the title and don't support
  49    * setting it) */
  50   gchar *title;
  51
  52   gboolean can_upgrade_to_muc;
  53
  54   GHashTable *messages_being_sent;
  55
  56   /* GSimpleAsyncResult used when preparing EMPATHY_TP_CHAT_FEATURE_CORE */
  57   GSimpleAsyncResult *ready_result;
  58   gboolean preparing_password;
  59 };
  60
  61 enum
  62 {
  63   PROP_0,
  64   PROP_ACCOUNT,
  65   PROP_SELF_CONTACT,
  66   PROP_REMOTE_CONTACT,
  67   PROP_N_MESSAGES_SENDING,
  68   PROP_TITLE,
  69   PROP_SUBJECT,
  70 };
  71
  72 enum
  73 {
  74   MESSAGE_RECEIVED,
  75   SEND_ERROR,
  76   MESSAGE_ACKNOWLEDGED,
  77   SIG_MEMBER_RENAMED,
  78   SIG_MEMBERS_CHANGED,
  79   LAST_SIGNAL
  80 };
  81
  82 static guint signals[LAST_SIGNAL];
  83
  84 G_DEFINE_TYPE (EmpathyTpChat, empathy_tp_chat, TP_TYPE_TEXT_CHANNEL)
  85
  86 static void
  87 tp_chat_set_delivery_status (EmpathyTpChat *self,
  88     const gchar *token,
  89     EmpathyDeliveryStatus delivery_status)
  90 {
  91   TpDeliveryReportingSupportFlags flags =
  92     tp_text_channel_get_delivery_reporting_support (
  93       TP_TEXT_CHANNEL (self));
  94
  95   /* channel must support receiving failures and successes */
  96   if (!tp_str_empty (token) &&
  97       flags & TP_DELIVERY_REPORTING_SUPPORT_FLAG_RECEIVE_FAILURES &&
  98       flags & TP_DELIVERY_REPORTING_SUPPORT_FLAG_RECEIVE_SUCCESSES)
  99     {
 100       DEBUG ("Delivery status (%s) = %u", token, delivery_status);
 101
 102       switch (delivery_status)
 103         {
 104           case EMPATHY_DELIVERY_STATUS_NONE:
 105             g_hash_table_remove (self->priv->messages_being_sent,
 106               token);
 107             break;
 108
 109           default:
 110             g_hash_table_insert (self->priv->messages_being_sent,
 111               g_strdup (token),
 112               GUINT_TO_POINTER (delivery_status));
 113             break;
 114         }
 115
 116     g_object_notify (G_OBJECT (self), "n-messages-sending");
 117   }
 118 }
 119
 120 static void tp_chat_prepare_ready_async (TpProxy *proxy,
 121   const TpProxyFeature *feature,
 122   GAsyncReadyCallback callback,
 123   gpointer user_data);
 124
 125 static void
 126 tp_chat_async_cb (TpChannel *proxy,
 127     const GError *error,
 128     gpointer user_data,
 129     GObject *weak_object)
 130 {
 131   if (error != NULL)
 132     DEBUG ("Error %s: %s", (gchar *) user_data, error->message);
 133 }
 134
 135 static void
 136 update_config_cb (TpChannel *proxy,
 137     const GError *error,
 138     gpointer user_data,
 139     GObject *weak_object)
 140 {
 141   if (error != NULL)
 142     DEBUG ("Failed to change config of the room: %s", error->message);
 143 }
 144
 145 static void
 146 create_conference_cb (GObject *source,
 147     GAsyncResult *result,
 148     gpointer user_data)
 149 {
 150   TpChannel *channel;
 151   GError *error = NULL;
 152   GHashTable *props;
 153
 154   channel = tp_account_channel_request_create_and_observe_channel_finish (
 155       TP_ACCOUNT_CHANNEL_REQUEST (source), result, &error);
 156   if (channel == NULL)
 157     {
 158       DEBUG ("Failed to create conference channel: %s", error->message);
 159       g_error_free (error);
 160       return;
 161     }
 162
 163   /* Make the channel more confidential as only people invited are supposed to
 164    * join it. */
 165   props = tp_asv_new (
 166       "Private", G_TYPE_BOOLEAN, TRUE,
 167       "InviteOnly", G_TYPE_BOOLEAN, TRUE,
 168       NULL);
 169
 170   tp_cli_channel_interface_room_config_call_update_configuration (channel, -1,
 171       props, update_config_cb, NULL, NULL, NULL);
 172
 173   g_object_unref (channel);
 174   g_hash_table_unref (props);
 175 }
 176
 177 void
 178 empathy_tp_chat_add (EmpathyTpChat *self,
 179     EmpathyContact *contact,
 180     const gchar *message)
 181 {
 182   TpChannel *channel = (TpChannel *) self;
 183
 184   if (tp_proxy_has_interface_by_id (self,
 185     TP_IFACE_QUARK_CHANNEL_INTERFACE_GROUP))
 186     {
 187       TpHandle handle;
 188       GArray handles = {(gchar *) &handle, 1};
 189
 190       g_return_if_fail (EMPATHY_IS_CONTACT (contact));
 191
 192       handle = empathy_contact_get_handle (contact);
 193       tp_cli_channel_interface_group_call_add_members (channel,
 194         -1, &handles, NULL, NULL, NULL, NULL, NULL);
 195     }
 196   else if (self->priv->can_upgrade_to_muc)
 197     {
 198       TpAccountChannelRequest *req;
 199       GHashTable *props;
 200       const char *object_path;
 201       GPtrArray channels = { (gpointer *) &object_path, 1 };
 202       const char *invitees[2] = { NULL, };
 203       TpAccount *account;
 204
 205       invitees[0] = empathy_contact_get_id (contact);
 206       object_path = tp_proxy_get_object_path (self);
 207
 208       props = tp_asv_new (
 209           TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING,
 210               TP_IFACE_CHANNEL_TYPE_TEXT,
 211           TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, G_TYPE_UINT,
 212               TP_HANDLE_TYPE_NONE,
 213           TP_PROP_CHANNEL_INTERFACE_CONFERENCE_INITIAL_CHANNELS,
 214               TP_ARRAY_TYPE_OBJECT_PATH_LIST, &channels,
 215           TP_PROP_CHANNEL_INTERFACE_CONFERENCE_INITIAL_INVITEE_IDS,
 216               G_TYPE_STRV, invitees,
 217           /* FIXME: InvitationMessage ? */
 218           NULL);
 219
 220       account = empathy_tp_chat_get_account (self);
 221
 222       req = tp_account_channel_request_new (account, props,
 223         TP_USER_ACTION_TIME_NOT_USER_ACTION);
 224
 225       /* Although this is a MUC, it's anonymous, so CreateChannel is
 226        * valid. */
 227       tp_account_channel_request_create_and_observe_channel_async (req,
 228           EMPATHY_CHAT_TP_BUS_NAME, NULL, create_conference_cb, NULL);
 229
 230       g_object_unref (req);
 231       g_hash_table_unref (props);
 232     }
 233   else
 234     {
 235       g_warning ("Cannot add to this channel");
 236     }
 237 }
 238
 239 GList *
 240 empathy_tp_chat_get_members (EmpathyTpChat *self)
 241 {
 242   GList *members = NULL;
 243
 244   if (self->priv->members)
 245     {
 246       members = g_list_copy (self->priv->members);
 247       g_list_foreach (members, (GFunc) g_object_ref, NULL);
 248     }
 249   else
 250     {
 251       members = g_list_prepend (members, g_object_ref (self->priv->user));
 252
 253       if (self->priv->remote_contact != NULL)
 254         members = g_list_prepend (members,
 255             g_object_ref (self->priv->remote_contact));
 256     }
 257
 258   return members;
 259 }
 260
 261 static void
 262 check_ready (EmpathyTpChat *self)
 263 {
 264   if (self->priv->ready_result == NULL)
 265     return;
 266
 267   DEBUG ("Ready");
 268
 269   g_simple_async_result_complete_in_idle (self->priv->ready_result);
 270   tp_clear_object (&self->priv->ready_result);
 271 }
 272
 273 static void
 274 tp_chat_build_message (EmpathyTpChat *self,
 275     TpMessage *msg,
 276     gboolean incoming)
 277 {
 278   EmpathyMessage *message;
 279   TpContact *sender;
 280
 281   message = empathy_message_new_from_tp_message (msg, incoming);
 282   /* FIXME: this is actually a lie for incoming messages. */
 283   empathy_message_set_receiver (message, self->priv->user);
 284
 285   sender = tp_signalled_message_get_sender (msg);
 286   g_assert (sender != NULL);
 287
 288   if (tp_contact_get_handle (sender) == 0)
 289     {
 290       empathy_message_set_sender (message, self->priv->user);
 291     }
 292   else
 293     {
 294       EmpathyContact *contact;
 295
 296       contact = empathy_contact_dup_from_tp_contact (sender);
 297
 298       empathy_message_set_sender (message, contact);
 299
 300       g_object_unref (contact);
 301     }
 302
 303   g_queue_push_tail (self->priv->pending_messages_queue, message);
 304   g_signal_emit (self, signals[MESSAGE_RECEIVED], 0, message);
 305 }
 306
 307 static void
 308 handle_delivery_report (EmpathyTpChat *self,
 309     TpMessage *message)
 310 {
 311   TpDeliveryStatus delivery_status;
 312   const GHashTable *header;
 313   TpChannelTextSendError delivery_error;
 314   gboolean valid;
 315   GPtrArray *echo;
 316   const gchar *message_body = NULL;
 317   const gchar *delivery_dbus_error;
 318   const gchar *delivery_token = NULL;
 319
 320   header = tp_message_peek (message, 0);
 321   if (header == NULL)
 322     goto out;
 323
 324   delivery_token = tp_asv_get_string (header, "delivery-token");
 325   delivery_status = tp_asv_get_uint32 (header, "delivery-status", &valid);
 326
 327   if (!valid)
 328     {
 329       goto out;
 330     }
 331   else if (delivery_status == TP_DELIVERY_STATUS_ACCEPTED)
 332     {
 333       DEBUG ("Accepted %s", delivery_token);
 334       tp_chat_set_delivery_status (self, delivery_token,
 335         EMPATHY_DELIVERY_STATUS_ACCEPTED);
 336       goto out;
 337     }
 338   else if (delivery_status == TP_DELIVERY_STATUS_DELIVERED)
 339     {
 340       DEBUG ("Delivered %s", delivery_token);
 341       tp_chat_set_delivery_status (self, delivery_token,
 342         EMPATHY_DELIVERY_STATUS_NONE);
 343       goto out;
 344     }
 345   else if (delivery_status != TP_DELIVERY_STATUS_PERMANENTLY_FAILED &&
 346        delivery_status != TP_DELIVERY_STATUS_TEMPORARILY_FAILED)
 347     {
 348       goto out;
 349     }
 350
 351   delivery_error = tp_asv_get_uint32 (header, "delivery-error", &valid);
 352   if (!valid)
 353     delivery_error = TP_CHANNEL_TEXT_SEND_ERROR_UNKNOWN;
 354
 355   delivery_dbus_error = tp_asv_get_string (header, "delivery-dbus-error");
 356
 357   /* TODO: ideally we should use tp-glib API giving us the echoed message as a
 358    * TpMessage. (fdo #35884) */
 359   echo = tp_asv_get_boxed (header, "delivery-echo",
 360     TP_ARRAY_TYPE_MESSAGE_PART_LIST);
 361   if (echo != NULL && echo->len >= 2)
 362     {
 363       const GHashTable *echo_body;
 364
 365       echo_body = g_ptr_array_index (echo, 1);
 366       if (echo_body != NULL)
 367         message_body = tp_asv_get_string (echo_body, "content");
 368     }
 369
 370   tp_chat_set_delivery_status (self, delivery_token,
 371       EMPATHY_DELIVERY_STATUS_NONE);
 372   g_signal_emit (self, signals[SEND_ERROR], 0, message_body,
 373       delivery_error, delivery_dbus_error);
 374
 375 out:
 376   tp_text_channel_ack_message_async (TP_TEXT_CHANNEL (self),
 377     message, NULL, NULL);
 378 }
 379
 380 static void
 381 handle_incoming_message (EmpathyTpChat *self,
 382     TpMessage *message,
 383     gboolean pending)
 384 {
 385   gchar *message_body;
 386
 387   if (tp_message_is_delivery_report (message))
 388     {
 389       handle_delivery_report (self, message);
 390       return;
 391     }
 392
 393   message_body = tp_message_to_text (message, NULL);
 394
 395   DEBUG ("Message %s (channel %s): %s",
 396     pending ? "pending" : "received",
 397     tp_proxy_get_object_path (self), message_body);
 398
 399   if (message_body == NULL)
 400     {
 401       DEBUG ("Empty message with NonTextContent, ignoring and acking.");
 402
 403       tp_text_channel_ack_message_async (TP_TEXT_CHANNEL (self),
 404         message, NULL, NULL);
 405       return;
 406     }
 407
 408   tp_chat_build_message (self, message, TRUE);
 409
 410   g_free (message_body);
 411 }
 412
 413 static void
 414 message_received_cb (TpTextChannel *channel,
 415     TpMessage *message,
 416     EmpathyTpChat *self)
 417 {
 418   handle_incoming_message (self, message, FALSE);
 419 }
 420
 421 static gboolean
 422 find_pending_message_func (gconstpointer a,
 423     gconstpointer b)
 424 {
 425   EmpathyMessage *msg = (EmpathyMessage *) a;
 426   TpMessage *message = (TpMessage *) b;
 427
 428   if (empathy_message_get_tp_message (msg) == message)
 429     return 0;
 430
 431   return -1;
 432 }
 433
 434 static void
 435 pending_message_removed_cb (TpTextChannel   *channel,
 436     TpMessage *message,
 437     EmpathyTpChat *self)
 438 {
 439   GList *m;
 440
 441   m = g_queue_find_custom (self->priv->pending_messages_queue, message,
 442       find_pending_message_func);
 443
 444   if (m == NULL)
 445     return;
 446
 447   g_signal_emit (self, signals[MESSAGE_ACKNOWLEDGED], 0, m->data);
 448
 449   g_object_unref (m->data);
 450   g_queue_delete_link (self->priv->pending_messages_queue, m);
 451 }
 452
 453 static void
 454 message_sent_cb (TpTextChannel *channel,
 455     TpMessage *message,
 456     TpMessageSendingFlags flags,
 457     gchar *token,
 458     EmpathyTpChat *self)
 459 {
 460   gchar *message_body;
 461
 462   message_body = tp_message_to_text (message, NULL);
 463
 464   DEBUG ("Message sent: %s", message_body);
 465
 466   tp_chat_build_message (self, message, FALSE);
 467
 468   g_free (message_body);
 469 }
 470
 471 static TpChannelTextSendError
 472 error_to_text_send_error (GError *error)
 473 {
 474   if (error->domain != TP_ERROR)
 475     return TP_CHANNEL_TEXT_SEND_ERROR_UNKNOWN;
 476
 477   switch (error->code)
 478     {
 479       case TP_ERROR_OFFLINE:
 480         return TP_CHANNEL_TEXT_SEND_ERROR_OFFLINE;
 481       case TP_ERROR_INVALID_HANDLE:
 482         return TP_CHANNEL_TEXT_SEND_ERROR_INVALID_CONTACT;
 483       case TP_ERROR_PERMISSION_DENIED:
 484         return TP_CHANNEL_TEXT_SEND_ERROR_PERMISSION_DENIED;
 485       case TP_ERROR_NOT_IMPLEMENTED:
 486         return TP_CHANNEL_TEXT_SEND_ERROR_NOT_IMPLEMENTED;
 487     }
 488
 489   return TP_CHANNEL_TEXT_SEND_ERROR_UNKNOWN;
 490 }
 491
 492 static void
 493 message_send_cb (GObject *source,
 494      GAsyncResult *result,
 495      gpointer user_data)
 496 {
 497   EmpathyTpChat *self = user_data;
 498   TpTextChannel *channel = (TpTextChannel *) source;
 499   gchar *token = NULL;
 500   GError *error = NULL;
 501
 502   if (!tp_text_channel_send_message_finish (channel, result, &token, &error))
 503     {
 504       DEBUG ("Error: %s", error->message);
 505
 506       /* FIXME: we should use the body of the message as first argument of the
 507        * signal but can't easily get it as we just get a user_data pointer. Once
 508        * we'll have rebased EmpathyTpChat on top of TpTextChannel we'll be able
 509        * to use the user_data pointer to pass the message and fix this. */
 510       g_signal_emit (self, signals[SEND_ERROR], 0,
 511                NULL, error_to_text_send_error (error), NULL);
 512
 513       g_error_free (error);
 514     }
 515
 516   tp_chat_set_delivery_status (self, token,
 517     EMPATHY_DELIVERY_STATUS_SENDING);
 518   g_free (token);
 519 }
 520
 521 static void
 522 list_pending_messages (EmpathyTpChat *self)
 523 {
 524   GList *messages, *l;
 525
 526   messages = tp_text_channel_dup_pending_messages (TP_TEXT_CHANNEL (self));
 527
 528   for (l = messages; l != NULL; l = g_list_next (l))
 529     {
 530       TpMessage *message = l->data;
 531
 532       handle_incoming_message (self, message, FALSE);
 533     }
 534
 535   g_list_free_full (messages, g_object_unref);
 536 }
 537
 538 static void
 539 update_subject (EmpathyTpChat *self,
 540     GHashTable *properties)
 541 {
 542   gboolean can_set, valid;
 543   const gchar *subject;
 544
 545   can_set = tp_asv_get_boolean (properties, "CanSet", &valid);
 546   if (valid)
 547     self->priv->can_set_subject = can_set;
 548
 549   subject = tp_asv_get_string (properties, "Subject");
 550   if (subject != NULL)
 551     {
 552       const gchar *actor;
 553
 554       g_free (self->priv->subject);
 555       self->priv->subject = g_strdup (subject);
 556
 557       /* If the actor is included with this update, use it;
 558        * otherwise, clear it to avoid showing stale information.
 559        * Why might it not be included? When you join an IRC channel,
 560        * you get a pair of messages: first, the current topic; next,
 561        * who set it, and when. Idle reports these in two separate
 562        * signals.
 563        */
 564       actor = tp_asv_get_string (properties, "Actor");
 565       g_free (self->priv->subject_actor);
 566       self->priv->subject_actor = g_strdup (actor);
 567
 568       g_object_notify (G_OBJECT (self), "subject");
 569     }
 570
 571   /* TODO: track Timestamp. */
 572 }
 573
 574 static void
 575 tp_chat_get_all_subject_cb (TpProxy *proxy,
 576     GHashTable *properties,
 577     const GError *error,
 578     gpointer user_data G_GNUC_UNUSED,
 579     GObject *chat)
 580 {
 581   EmpathyTpChat *self = EMPATHY_TP_CHAT (chat);
 582
 583   if (error != NULL)
 584     {
 585       DEBUG ("Error fetching subject: %s", error->message);
 586       return;
 587     }
 588
 589   self->priv->supports_subject = TRUE;
 590   update_subject (self, properties);
 591 }
 592
 593 static void
 594 update_title (EmpathyTpChat *self,
 595     GHashTable *properties)
 596 {
 597   const gchar *title = tp_asv_get_string (properties, "Title");
 598
 599   if (title != NULL)
 600     {
 601       if (tp_str_empty (title))
 602         title = NULL;
 603
 604       g_free (self->priv->title);
 605       self->priv->title = g_strdup (title);
 606       g_object_notify (G_OBJECT (self), "title");
 607     }
 608 }
 609
 610 static void
 611 tp_chat_get_all_room_config_cb (TpProxy *proxy,
 612     GHashTable *properties,
 613     const GError *error,
 614     gpointer user_data G_GNUC_UNUSED,
 615     GObject *chat)
 616 {
 617   EmpathyTpChat *self = EMPATHY_TP_CHAT (chat);
 618
 619   if (error)
 620     {
 621       DEBUG ("Error fetching room config: %s", error->message);
 622       return;
 623     }
 624
 625   update_title (self, properties);
 626 }
 627
 628 static void
 629 tp_chat_dbus_properties_changed_cb (TpProxy *proxy,
 630     const gchar *interface_name,
 631     GHashTable *changed,
 632     const gchar **invalidated,
 633     gpointer user_data,
 634     GObject *chat)
 635 {
 636   EmpathyTpChat *self = EMPATHY_TP_CHAT (chat);
 637
 638   if (!tp_strdiff (interface_name, TP_IFACE_CHANNEL_INTERFACE_SUBJECT))
 639     update_subject (self, changed);
 640
 641   if (!tp_strdiff (interface_name, TP_IFACE_CHANNEL_INTERFACE_ROOM_CONFIG))
 642     update_title (self, changed);
 643 }
 644
 645 void
 646 empathy_tp_chat_set_subject (EmpathyTpChat *self,
 647     const gchar *subject)
 648 {
 649   tp_cli_channel_interface_subject_call_set_subject (TP_CHANNEL (self), -1,
 650       subject, tp_chat_async_cb, "while setting subject", NULL,
 651       G_OBJECT (self));
 652 }
 653
 654 const gchar *
 655 empathy_tp_chat_get_title (EmpathyTpChat *self)
 656 {
 657   return self->priv->title;
 658 }
 659
 660 gboolean
 661 empathy_tp_chat_supports_subject (EmpathyTpChat *self)
 662 {
 663   return self->priv->supports_subject;
 664 }
 665
 666 gboolean
 667 empathy_tp_chat_can_set_subject (EmpathyTpChat *self)
 668 {
 669   return self->priv->can_set_subject;
 670 }
 671
 672 const gchar *
 673 empathy_tp_chat_get_subject (EmpathyTpChat *self)
 674 {
 675   return self->priv->subject;
 676 }
 677
 678 const gchar *
 679 empathy_tp_chat_get_subject_actor (EmpathyTpChat *self)
 680 {
 681   return self->priv->subject_actor;
 682 }
 683
 684 static void
 685 tp_chat_dispose (GObject *object)
 686 {
 687   EmpathyTpChat *self = EMPATHY_TP_CHAT (object);
 688
 689   tp_clear_object (&self->priv->remote_contact);
 690   tp_clear_object (&self->priv->user);
 691
 692   g_queue_foreach (self->priv->pending_messages_queue,
 693     (GFunc) g_object_unref, NULL);
 694   g_queue_clear (self->priv->pending_messages_queue);
 695
 696   tp_clear_object (&self->priv->ready_result);
 697
 698   if (G_OBJECT_CLASS (empathy_tp_chat_parent_class)->dispose)
 699     G_OBJECT_CLASS (empathy_tp_chat_parent_class)->dispose (object);
 700 }
 701
 702 static void
 703 tp_chat_finalize (GObject *object)
 704 {
 705   EmpathyTpChat *self = (EmpathyTpChat *) object;
 706
 707   DEBUG ("Finalize: %p", object);
 708
 709   g_queue_free (self->priv->pending_messages_queue);
 710   g_hash_table_unref (self->priv->messages_being_sent);
 711
 712   g_free (self->priv->title);
 713   g_free (self->priv->subject);
 714   g_free (self->priv->subject_actor);
 715
 716   G_OBJECT_CLASS (empathy_tp_chat_parent_class)->finalize (object);
 717 }
 718
 719 static void
 720 check_almost_ready (EmpathyTpChat *self)
 721 {
 722   TpChannel *channel = (TpChannel *) self;
 723
 724   if (self->priv->ready_result == NULL)
 725     return;
 726
 727   if (self->priv->user == NULL)
 728     return;
 729
 730   if (self->priv->preparing_password)
 731     return;
 732
 733   /* We need either the members (room) or the remote contact (private chat).
 734    * If the chat is protected by a password we can't get these information so
 735    * consider the chat as ready so it can be presented to the user. */
 736   if (!tp_channel_password_needed (channel) && self->priv->members == NULL &&
 737       self->priv->remote_contact == NULL)
 738     return;
 739
 740   g_assert (tp_proxy_is_prepared (self,
 741     TP_TEXT_CHANNEL_FEATURE_INCOMING_MESSAGES));
 742
 743   tp_g_signal_connect_object (self, "message-received",
 744     G_CALLBACK (message_received_cb), self, 0);
 745   tp_g_signal_connect_object (self, "pending-message-removed",
 746     G_CALLBACK (pending_message_removed_cb), self, 0);
 747
 748   list_pending_messages (self);
 749
 750   tp_g_signal_connect_object (self, "message-sent",
 751     G_CALLBACK (message_sent_cb), self, 0);
 752
 753   check_ready (self);
 754 }
 755
 756 static void
 757 add_members_contact (EmpathyTpChat *self,
 758     GPtrArray *contacts)
 759 {
 760   guint i;
 761
 762   for (i = 0; i < contacts->len; i++)
 763     {
 764       EmpathyContact *contact;
 765
 766       contact = empathy_contact_dup_from_tp_contact (g_ptr_array_index (
 767             contacts, i));
 768
 769       self->priv->members = g_list_prepend (self->priv->members, contact);
 770
 771       g_signal_emit (self, signals[SIG_MEMBERS_CHANGED], 0,
 772                  contact, NULL, 0, NULL, TRUE);
 773     }
 774
 775   check_almost_ready (self);
 776 }
 777
 778 static void
 779 remove_member (EmpathyTpChat *self,
 780     EmpathyContact *contact)
 781 {
 782   GList *l;
 783
 784   for (l = self->priv->members; l; l = l->next)
 785     {
 786       EmpathyContact *c = l->data;
 787
 788       if (contact == c)
 789         {
 790           self->priv->members = g_list_delete_link (self->priv->members, l);
 791           g_object_unref (c);
 792           break;
 793         }
 794     }
 795 }
 796
 797 static void
 798 contact_renamed (EmpathyTpChat *self,
 799     TpContact *old_contact,
 800     TpContact *new_contact,
 801     TpChannelGroupChangeReason reason,
 802     const gchar *message)
 803 {
 804   EmpathyContact *old = NULL, *new = NULL;
 805
 806   old = empathy_contact_dup_from_tp_contact (old_contact);
 807   new = empathy_contact_dup_from_tp_contact (new_contact);
 808
 809   self->priv->members = g_list_prepend (self->priv->members, new);
 810
 811   if (old != NULL)
 812     {
 813       remove_member (self, old);
 814
 815       g_signal_emit (self, signals[SIG_MEMBER_RENAMED], 0, old, new,
 816           reason, message);
 817       g_object_unref (old);
 818     }
 819
 820   if (self->priv->user == old)
 821     {
 822       /* We change our nick */
 823       tp_clear_object (&self->priv->user);
 824       self->priv->user = g_object_ref (new);
 825       g_object_notify (G_OBJECT (self), "self-contact");
 826     }
 827
 828   check_almost_ready (self);
 829 }
 830
 831 static void
 832 tp_chat_group_contacts_changed_cb (TpChannel *channel,
 833     GPtrArray *added,
 834     GPtrArray *removed,
 835     GPtrArray *local_pending,
 836     GPtrArray *remote_pending,
 837     TpContact *actor,
 838     GHashTable *details,
 839     EmpathyTpChat *self)
 840 {
 841   EmpathyContact *actor_contact = NULL;
 842   guint i;
 843   TpChannelGroupChangeReason reason;
 844   const gchar *message;
 845
 846   reason = tp_asv_get_uint32 (details, "change-reason", NULL);
 847   message = tp_asv_get_string (details, "message");
 848
 849   /* Contact renamed */
 850   if (reason == TP_CHANNEL_GROUP_CHANGE_REASON_RENAMED)
 851     {
 852       /* there can only be a single 'added' and a single 'removed' handle */
 853       if (removed->len != 1 || added->len != 1)
 854         {
 855           g_warning ("RENAMED with %u added, %u removed (expected 1, 1)",
 856             added->len, removed->len);
 857           return;
 858         }
 859
 860       contact_renamed (self, g_ptr_array_index (removed, 0),
 861           g_ptr_array_index (added, 0), reason, message);
 862       return;
 863     }
 864
 865   if (actor != NULL)
 866     {
 867       actor_contact = empathy_contact_dup_from_tp_contact (actor);
 868
 869       if (actor_contact == NULL)
 870         {
 871           /* FIXME: handle this a tad more gracefully: perhaps
 872            * the actor was a server op. We could use the
 873            * contact-ids detail of MembersChangedDetailed.
 874            */
 875           DEBUG ("actor %s not a channel member",
 876               tp_contact_get_identifier (actor));
 877         }
 878     }
 879
 880   /* Remove contacts that are not members anymore */
 881   for (i = 0; i < removed->len; i++)
 882     {
 883       TpContact *tp_contact = g_ptr_array_index (removed, i);
 884       EmpathyContact *contact;
 885
 886       contact = empathy_contact_dup_from_tp_contact (tp_contact);
 887
 888       if (contact != NULL)
 889         {
 890           remove_member (self, contact);
 891
 892           g_signal_emit (self, signals[SIG_MEMBERS_CHANGED], 0,
 893                      contact, actor_contact, reason, message, FALSE);
 894           g_object_unref (contact);
 895         }
 896     }
 897
 898   if (added->len > 0)
 899     {
 900       add_members_contact (self, added);
 901     }
 902
 903   if (actor_contact != NULL)
 904     g_object_unref (actor_contact);
 905 }
 906
 907 static void
 908 create_remote_contact (EmpathyTpChat *self,
 909     TpContact *contact)
 910 {
 911   self->priv->remote_contact = empathy_contact_dup_from_tp_contact (contact);
 912   g_object_notify (G_OBJECT (self), "remote-contact");
 913
 914   check_almost_ready (self);
 915 }
 916
 917 static void
 918 create_self_contact (EmpathyTpChat *self,
 919     TpContact *contact)
 920 {
 921   self->priv->user = empathy_contact_dup_from_tp_contact (contact);
 922   empathy_contact_set_is_user (self->priv->user, TRUE);
 923   g_object_notify (G_OBJECT (self), "self-contact");
 924   check_almost_ready (self);
 925 }
 926
 927 static void
 928 tp_chat_get_property (GObject *object,
 929     guint param_id,
 930     GValue *value,
 931     GParamSpec *pspec)
 932 {
 933   EmpathyTpChat *self = EMPATHY_TP_CHAT (object);
 934
 935   switch (param_id)
 936     {
 937       case PROP_SELF_CONTACT:
 938         g_value_set_object (value, self->priv->user);
 939         break;
 940       case PROP_REMOTE_CONTACT:
 941         g_value_set_object (value, self->priv->remote_contact);
 942         break;
 943       case PROP_N_MESSAGES_SENDING:
 944         g_value_set_uint (value,
 945           g_hash_table_size (self->priv->messages_being_sent));
 946         break;
 947       case PROP_TITLE:
 948         g_value_set_string (value,
 949           empathy_tp_chat_get_title (self));
 950         break;
 951       case PROP_SUBJECT:
 952         g_value_set_string (value,
 953           empathy_tp_chat_get_subject (self));
 954         break;
 955       default:
 956         G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 957         break;
 958     };
 959 }
 960
 961 enum {
 962   FEAT_READY,
 963   N_FEAT
 964 };
 965
 966 static const TpProxyFeature *
 967 tp_chat_list_features (TpProxyClass *cls G_GNUC_UNUSED)
 968 {
 969   static TpProxyFeature features[N_FEAT + 1] = { { 0 } };
 970   static GQuark need[3] = {0, 0, 0};
 971
 972   if (G_LIKELY (features[0].name != 0))
 973     return features;
 974
 975   features[FEAT_READY].name = EMPATHY_TP_CHAT_FEATURE_READY;
 976   need[0] = TP_TEXT_CHANNEL_FEATURE_INCOMING_MESSAGES;
 977   need[1] = TP_CHANNEL_FEATURE_CONTACTS;
 978   features[FEAT_READY].depends_on = need;
 979   features[FEAT_READY].prepare_async =
 980     tp_chat_prepare_ready_async;
 981
 982   /* assert that the terminator at the end is there */
 983   g_assert (features[N_FEAT].name == 0);
 984
 985   return features;
 986 }
 987
 988 static void
 989 empathy_tp_chat_class_init (EmpathyTpChatClass *klass)
 990 {
 991   GObjectClass *object_class = G_OBJECT_CLASS (klass);
 992   TpProxyClass *proxy_class = TP_PROXY_CLASS (klass);
 993
 994   object_class->dispose = tp_chat_dispose;
 995   object_class->finalize = tp_chat_finalize;
 996   object_class->get_property = tp_chat_get_property;
 997
 998   proxy_class->list_features = tp_chat_list_features;
 999
1000   /**
1001    * EmpathyTpChat:self-contact:
1002    *
1003    * Not to be confused with TpChannel:group-self-contact.
1004    */
1005   g_object_class_install_property (object_class, PROP_SELF_CONTACT,
1006       g_param_spec_object ("self-contact", "The local contact",
1007         "The EmpathyContact for the local user on this channel",
1008         EMPATHY_TYPE_CONTACT,
1009         G_PARAM_READABLE));
1010
1011   g_object_class_install_property (object_class, PROP_REMOTE_CONTACT,
1012       g_param_spec_object ("remote-contact", "The remote contact",
1013         "The remote contact if there is no group iface on the channel",
1014         EMPATHY_TYPE_CONTACT,
1015         G_PARAM_READABLE));
1016
1017   g_object_class_install_property (object_class, PROP_N_MESSAGES_SENDING,
1018       g_param_spec_uint ("n-messages-sending", "Num Messages Sending",
1019         "The number of messages being sent",
1020         0, G_MAXUINT, 0,
1021         G_PARAM_READABLE));
1022
1023   g_object_class_install_property (object_class, PROP_TITLE,
1024       g_param_spec_string ("title", "Title",
1025         "A human-readable name for the room, if any",
1026         NULL,
1027         G_PARAM_READABLE |
1028         G_PARAM_STATIC_STRINGS));
1029
1030   g_object_class_install_property (object_class, PROP_SUBJECT,
1031       g_param_spec_string ("subject", "Subject",
1032         "The room's current subject, if any",
1033         NULL,
1034         G_PARAM_READABLE |
1035         G_PARAM_STATIC_STRINGS));
1036
1037   /* Signals */
1038   signals[MESSAGE_RECEIVED] = g_signal_new ("message-received-empathy",
1039       G_TYPE_FROM_CLASS (klass),
1040       G_SIGNAL_RUN_LAST,
1041       0,
1042       NULL, NULL,
1043       g_cclosure_marshal_generic,
1044       G_TYPE_NONE,
1045       1, EMPATHY_TYPE_MESSAGE);
1046
1047   signals[SEND_ERROR] = g_signal_new ("send-error",
1048       G_TYPE_FROM_CLASS (klass),
1049       G_SIGNAL_RUN_LAST,
1050       0,
1051       NULL, NULL,
1052       g_cclosure_marshal_generic,
1053       G_TYPE_NONE,
1054       3, G_TYPE_STRING, G_TYPE_UINT, G_TYPE_STRING);
1055
1056   signals[MESSAGE_ACKNOWLEDGED] = g_signal_new ("message-acknowledged",
1057       G_TYPE_FROM_CLASS (klass),
1058       G_SIGNAL_RUN_LAST,
1059       0,
1060       NULL, NULL,
1061       g_cclosure_marshal_generic,
1062       G_TYPE_NONE,
1063       1, EMPATHY_TYPE_MESSAGE);
1064
1065   signals[SIG_MEMBER_RENAMED] = g_signal_new ("member-renamed",
1066       G_OBJECT_CLASS_TYPE (klass),
1067       G_SIGNAL_RUN_LAST,
1068       0, NULL, NULL, NULL,
1069       G_TYPE_NONE,
1070       4, EMPATHY_TYPE_CONTACT, EMPATHY_TYPE_CONTACT,
1071       G_TYPE_UINT, G_TYPE_STRING);
1072
1073   signals[SIG_MEMBERS_CHANGED] = g_signal_new ("members-changed",
1074       G_OBJECT_CLASS_TYPE (klass),
1075       G_SIGNAL_RUN_LAST,
1076       0, NULL, NULL, NULL,
1077       G_TYPE_NONE,
1078       5, EMPATHY_TYPE_CONTACT, EMPATHY_TYPE_CONTACT,
1079       G_TYPE_UINT, G_TYPE_STRING, G_TYPE_BOOLEAN);
1080
1081   g_type_class_add_private (object_class, sizeof (EmpathyTpChatPrivate));
1082 }
1083
1084 static void
1085 empathy_tp_chat_init (EmpathyTpChat *self)
1086 {
1087   self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self, EMPATHY_TYPE_TP_CHAT,
1088       EmpathyTpChatPrivate);
1089
1090   self->priv->pending_messages_queue = g_queue_new ();
1091   self->priv->messages_being_sent = g_hash_table_new_full (
1092       g_str_hash, g_str_equal, g_free, NULL);
1093 }
1094
1095 EmpathyTpChat *
1096 empathy_tp_chat_new (TpSimpleClientFactory *factory,
1097     TpConnection *conn,
1098     const gchar *object_path,
1099     const GHashTable *immutable_properties)
1100 {
1101   g_return_val_if_fail (TP_IS_CONNECTION (conn), NULL);
1102   g_return_val_if_fail (immutable_properties != NULL, NULL);
1103
1104   return g_object_new (EMPATHY_TYPE_TP_CHAT,
1105       "factory", factory,
1106        "connection", conn,
1107        "dbus-daemon", tp_proxy_get_dbus_daemon (conn),
1108        "bus-name", tp_proxy_get_bus_name (conn),
1109        "object-path", object_path,
1110        "channel-properties", immutable_properties,
1111        NULL);
1112 }
1113
1114 const gchar *
1115 empathy_tp_chat_get_id (EmpathyTpChat *self)
1116 {
1117   const gchar *id;
1118
1119   g_return_val_if_fail (EMPATHY_IS_TP_CHAT (self), NULL);
1120
1121   id = tp_channel_get_identifier ((TpChannel *) self);
1122   if (!TPAW_STR_EMPTY (id))
1123     return id;
1124   else if (self->priv->remote_contact)
1125     return empathy_contact_get_id (self->priv->remote_contact);
1126   else
1127     return NULL;
1128
1129 }
1130
1131 EmpathyContact *
1132 empathy_tp_chat_get_remote_contact (EmpathyTpChat *self)
1133 {
1134   g_return_val_if_fail (EMPATHY_IS_TP_CHAT (self), NULL);
1135
1136   return self->priv->remote_contact;
1137 }
1138
1139 TpAccount *
1140 empathy_tp_chat_get_account (EmpathyTpChat *self)
1141 {
1142   TpConnection *connection;
1143
1144   g_return_val_if_fail (EMPATHY_IS_TP_CHAT (self), NULL);
1145
1146   connection = tp_channel_get_connection (TP_CHANNEL (self));
1147
1148   return tp_connection_get_account (connection);
1149 }
1150
1151 void
1152 empathy_tp_chat_send (EmpathyTpChat *self,
1153           TpMessage *message)
1154 {
1155   gchar *message_body;
1156
1157   g_return_if_fail (EMPATHY_IS_TP_CHAT (self));
1158   g_return_if_fail (TP_IS_CLIENT_MESSAGE (message));
1159
1160   message_body = tp_message_to_text (message, NULL);
1161
1162   DEBUG ("Sending message: %s", message_body);
1163
1164   tp_text_channel_send_message_async (TP_TEXT_CHANNEL (self),
1165     message, TP_MESSAGE_SENDING_FLAG_REPORT_DELIVERY,
1166     message_send_cb, self);
1167
1168   g_free (message_body);
1169 }
1170
1171 const GList *
1172 empathy_tp_chat_get_pending_messages (EmpathyTpChat *self)
1173 {
1174   g_return_val_if_fail (EMPATHY_IS_TP_CHAT (self), NULL);
1175
1176   return self->priv->pending_messages_queue->head;
1177 }
1178
1179 void
1180 empathy_tp_chat_acknowledge_message (EmpathyTpChat *self,
1181     EmpathyMessage *message)
1182 {
1183   TpMessage *tp_msg;
1184
1185   g_return_if_fail (EMPATHY_IS_TP_CHAT (self));
1186
1187   if (!empathy_message_is_incoming (message))
1188     return;
1189
1190   tp_msg = empathy_message_get_tp_message (message);
1191   tp_text_channel_ack_message_async (TP_TEXT_CHANNEL (self),
1192              tp_msg, NULL, NULL);
1193 }
1194
1195 /**
1196  * empathy_tp_chat_can_add_contact:
1197  *
1198  * Returns: %TRUE if empathy_contact_list_add() will work for this channel.
1199  * That is if this chat is a 1-to-1 channel that can be upgraded to
1200  * a MUC using the Conference interface or if the channel is a MUC.
1201  */
1202 gboolean
1203 empathy_tp_chat_can_add_contact (EmpathyTpChat *self)
1204 {
1205   g_return_val_if_fail (EMPATHY_IS_TP_CHAT (self), FALSE);
1206
1207   return self->priv->can_upgrade_to_muc ||
1208     tp_proxy_has_interface_by_id (self,
1209       TP_IFACE_QUARK_CHANNEL_INTERFACE_GROUP);;
1210 }
1211
1212 static void
1213 tp_channel_leave_async_cb (GObject *source_object,
1214         GAsyncResult *res,
1215         gpointer user_data)
1216 {
1217   GError *error = NULL;
1218
1219   if (!tp_channel_leave_finish (TP_CHANNEL (source_object), res, &error))
1220     {
1221       DEBUG ("Could not leave channel properly: (%s); closing the channel",
1222         error->message);
1223       g_error_free (error);
1224     }
1225 }
1226
1227 void
1228 empathy_tp_chat_leave (EmpathyTpChat *self,
1229     const gchar *message)
1230 {
1231   TpChannel *channel = (TpChannel *) self;
1232
1233   DEBUG ("Leaving channel %s with message \"%s\"",
1234     tp_channel_get_identifier (channel), message);
1235
1236   tp_channel_leave_async (channel, TP_CHANNEL_GROUP_CHANGE_REASON_NONE,
1237     message, tp_channel_leave_async_cb, self);
1238 }
1239
1240 gboolean
1241 empathy_tp_chat_is_invited (EmpathyTpChat *self,
1242     TpContact **inviter)
1243 {
1244   TpContact *self_contact;
1245   TpChannel *channel = TP_CHANNEL (self);
1246
1247   if (!tp_proxy_has_interface (self, TP_IFACE_CHANNEL_INTERFACE_GROUP))
1248     return FALSE;
1249
1250   self_contact = tp_channel_group_get_self_contact (channel);
1251   if (self_contact == NULL)
1252     return FALSE;
1253
1254   return tp_channel_group_get_local_pending_contact_info (channel,
1255       self_contact, inviter, NULL, NULL);
1256 }
1257
1258 TpChannelChatState
1259 empathy_tp_chat_get_chat_state (EmpathyTpChat *self,
1260     EmpathyContact *contact)
1261 {
1262   return tp_text_channel_get_chat_state ((TpTextChannel *) self,
1263     empathy_contact_get_tp_contact (contact));
1264 }
1265
1266 EmpathyContact *
1267 empathy_tp_chat_get_self_contact (EmpathyTpChat *self)
1268 {
1269   g_return_val_if_fail (EMPATHY_IS_TP_CHAT (self), NULL);
1270
1271   return self->priv->user;
1272 }
1273
1274 GQuark
1275 empathy_tp_chat_get_feature_ready (void)
1276 {
1277   return g_quark_from_static_string ("empathy-tp-chat-feature-ready");
1278 }
1279
1280 static void
1281 password_feature_prepare_cb (GObject *source,
1282     GAsyncResult *result,
1283     gpointer user_data)
1284 {
1285   EmpathyTpChat *self = user_data;
1286   GError *error = NULL;
1287
1288   if (!tp_proxy_prepare_finish (source, result, &error))
1289     {
1290       DEBUG ("Failed to prepare Password: %s", error->message);
1291       g_error_free (error);
1292     }
1293
1294   self->priv->preparing_password = FALSE;
1295
1296   check_almost_ready (self);
1297 }
1298
1299 static void
1300 continue_preparing (EmpathyTpChat *self)
1301 {
1302   TpChannel *channel = (TpChannel *) self;
1303   TpConnection *connection;
1304   gboolean listen_for_dbus_properties_changed = FALSE;
1305
1306   connection = tp_channel_get_connection (channel);
1307
1308   if (tp_proxy_has_interface_by_id (self,
1309         TP_IFACE_QUARK_CHANNEL_INTERFACE_PASSWORD))
1310     {
1311       /* The password feature can't be a hard dep on our own feature has we
1312        * depend on it only if the channel implements the
1313        * Password interface.
1314        */
1315       GQuark features[] = { TP_CHANNEL_FEATURE_PASSWORD , 0 };
1316
1317       self->priv->preparing_password = TRUE;
1318
1319       tp_proxy_prepare_async (self, features, password_feature_prepare_cb,
1320           self);
1321     }
1322
1323   if (tp_proxy_has_interface_by_id (self,
1324             TP_IFACE_QUARK_CHANNEL_INTERFACE_GROUP))
1325     {
1326       GPtrArray *contacts;
1327       TpContact *contact;
1328
1329       /* Get self contact from the group's self handle */
1330       contact = tp_channel_group_get_self_contact (channel);
1331       create_self_contact (self, contact);
1332
1333       /* Get initial member contacts */
1334       contacts = tp_channel_group_dup_members_contacts (channel);
1335       add_members_contact (self, contacts);
1336       g_ptr_array_unref (contacts);
1337
1338       self->priv->can_upgrade_to_muc = FALSE;
1339
1340       tp_g_signal_connect_object (self, "group-contacts-changed",
1341         G_CALLBACK (tp_chat_group_contacts_changed_cb), self, 0);
1342     }
1343   else
1344     {
1345       TpCapabilities *caps;
1346       GVariant *classes, *class;
1347       GVariantIter iter;
1348       TpContact *contact;
1349
1350       /* Get the self contact from the connection's self handle */
1351       contact = tp_connection_get_self_contact (connection);
1352       create_self_contact (self, contact);
1353
1354       /* Get the remote contact */
1355       contact = tp_channel_get_target_contact (channel);
1356       create_remote_contact (self, contact);
1357
1358       caps = tp_connection_get_capabilities (connection);
1359       g_assert (caps != NULL);
1360
1361       classes = tp_capabilities_dup_channel_classes_variant (caps);
1362
1363       g_variant_iter_init (&iter, classes);
1364       while ((class = g_variant_iter_next_value (&iter)))
1365         {
1366           GVariant *fixed, *allowed;
1367           const gchar *chan_type = NULL;
1368
1369           fixed = g_variant_get_child_value (class, 0);
1370           allowed = g_variant_get_child_value (class, 1);
1371
1372           g_variant_lookup (fixed, TP_PROP_CHANNEL_CHANNEL_TYPE, "&s",
1373               &chan_type);
1374           if (!tp_strdiff (chan_type, TP_IFACE_CHANNEL_TYPE_TEXT))
1375             {
1376               const gchar **oprops;
1377
1378               oprops = g_variant_get_strv (allowed, NULL);
1379
1380               if (tp_strv_contains (oprops,
1381                     TP_PROP_CHANNEL_INTERFACE_CONFERENCE_INITIAL_CHANNELS))
1382                 {
1383                   self->priv->can_upgrade_to_muc = TRUE;
1384                 }
1385
1386               g_free (oprops);
1387             }
1388
1389           g_variant_unref (class);
1390           g_variant_unref (fixed);
1391           g_variant_unref (allowed);
1392
1393           if (self->priv->can_upgrade_to_muc)
1394             break;
1395         }
1396
1397       g_variant_unref (classes);
1398     }
1399
1400   if (tp_proxy_has_interface_by_id (self,
1401             TP_IFACE_QUARK_CHANNEL_INTERFACE_SUBJECT))
1402     {
1403       tp_cli_dbus_properties_call_get_all (channel, -1,
1404                    TP_IFACE_CHANNEL_INTERFACE_SUBJECT,
1405                    tp_chat_get_all_subject_cb,
1406                    NULL, NULL,
1407                    G_OBJECT (self));
1408       listen_for_dbus_properties_changed = TRUE;
1409     }
1410
1411   if (tp_proxy_has_interface_by_id (self,
1412             TP_IFACE_QUARK_CHANNEL_INTERFACE_ROOM_CONFIG))
1413     {
1414       tp_cli_dbus_properties_call_get_all (channel, -1,
1415                    TP_IFACE_CHANNEL_INTERFACE_ROOM_CONFIG,
1416                    tp_chat_get_all_room_config_cb,
1417                    NULL, NULL,
1418                    G_OBJECT (self));
1419       listen_for_dbus_properties_changed = TRUE;
1420     }
1421
1422   if (listen_for_dbus_properties_changed)
1423     {
1424       tp_cli_dbus_properties_connect_to_properties_changed (channel,
1425                         tp_chat_dbus_properties_changed_cb,
1426                         NULL, NULL,
1427                         G_OBJECT (self), NULL);
1428     }
1429 }
1430
1431 static void
1432 conn_connected_cb (GObject *source,
1433     GAsyncResult *result,
1434     gpointer user_data)
1435 {
1436   EmpathyTpChat *self = user_data;
1437   GError *error = NULL;
1438
1439   if (!tp_proxy_prepare_finish (source, result, &error))
1440     {
1441       DEBUG ("Failed to prepare Connected: %s", error->message);
1442       g_simple_async_result_take_error (self->priv->ready_result, error);
1443       g_simple_async_result_complete (self->priv->ready_result);
1444       tp_clear_object (&self->priv->ready_result);
1445       return;
1446     }
1447
1448   continue_preparing (self);
1449 }
1450
1451 static void
1452 tp_chat_prepare_ready_async (TpProxy *proxy,
1453   const TpProxyFeature *feature,
1454   GAsyncReadyCallback callback,
1455   gpointer user_data)
1456 {
1457   EmpathyTpChat *self = (EmpathyTpChat *) proxy;
1458   TpChannel *channel = (TpChannel *) proxy;
1459   TpConnection *connection;
1460   GQuark features[] = { TP_CONNECTION_FEATURE_CONNECTED, 0 };
1461
1462   g_assert (self->priv->ready_result == NULL);
1463
1464   self->priv->ready_result = g_simple_async_result_new (G_OBJECT (self),
1465     callback, user_data, tp_chat_prepare_ready_async);
1466
1467   connection = tp_channel_get_connection (channel);
1468
1469   /* First we have to make sure that TP_CONNECTION_FEATURE_CONNECTED is
1470    * prepared as we rely on TpConnection::self-contact
1471    * in continue_preparing().
1472    *
1473    * It would be nice if tp-glib could do this for us: fdo#59126 */
1474   tp_proxy_prepare_async (connection, features, conn_connected_cb, proxy);
1475 }