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