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