libempathy/empathy-tp-chat.c

   1 /*
   2  * Copyright (C) 2007-2012 Collabora Ltd.
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  17  *
  18  * Authors: Xavier Claessens <xclaesse@gmail.com>
  19  */
  20
  21 #include <config.h>
  22
  23 #include <string.h>
  24
  25 #include <extensions/extensions.h>
  26
  27 #include "empathy-tp-chat.h"
  28 #include "empathy-request-util.h"
  29 #include "empathy-time.h"
  30 #include "empathy-utils.h"
  31
  32 #define DEBUG_FLAG EMPATHY_DEBUG_TP | EMPATHY_DEBUG_CHAT
  33 #include "empathy-debug.h"
  34
  35 struct _EmpathyTpChatPrivate
  36 {
  37   TpAccount *account;
  38   EmpathyContact *user;
  39   EmpathyContact *remote_contact;
  40   GList *members;
  41   /* Queue of messages signalled but not acked yet */
  42   GQueue *pending_messages_queue;
  43
  44   /* Subject */
  45   gboolean supports_subject;
  46   gboolean can_set_subject;
  47   gchar *subject;
  48   gchar *subject_actor;
  49
  50   /* Room config (for now, we only track the title and don't support
  51    * setting it) */
  52   gchar *title;
  53
  54   gboolean can_upgrade_to_muc;
  55
  56   GHashTable *messages_being_sent;
  57
  58   /* GSimpleAsyncResult used when preparing EMPATHY_TP_CHAT_FEATURE_CORE */
  59   GSimpleAsyncResult *ready_result;
  60   gboolean preparing_password;
  61 };
  62
  63 enum
  64 {
  65   PROP_0,
  66   PROP_ACCOUNT,
  67   PROP_SELF_CONTACT,
  68   PROP_REMOTE_CONTACT,
  69   PROP_N_MESSAGES_SENDING,
  70   PROP_TITLE,
  71   PROP_SUBJECT,
  72 };
  73
  74 enum
  75 {
  76   MESSAGE_RECEIVED,
  77   SEND_ERROR,
  78   MESSAGE_ACKNOWLEDGED,
  79   SIG_MEMBER_RENAMED,
  80   SIG_MEMBERS_CHANGED,
  81   LAST_SIGNAL
  82 };
  83
  84 static guint signals[LAST_SIGNAL];
  85
  86 G_DEFINE_TYPE (EmpathyTpChat, empathy_tp_chat, TP_TYPE_TEXT_CHANNEL)
  87
  88 static void
  89 tp_chat_set_delivery_status (EmpathyTpChat *self,
  90     const gchar *token,
  91     EmpathyDeliveryStatus delivery_status)
  92 {
  93   TpDeliveryReportingSupportFlags flags =
  94     tp_text_channel_get_delivery_reporting_support (
  95       TP_TEXT_CHANNEL (self));
  96
  97   /* channel must support receiving failures and successes */
  98   if (!tp_str_empty (token) &&
  99       flags & TP_DELIVERY_REPORTING_SUPPORT_FLAG_RECEIVE_FAILURES &&
 100       flags & TP_DELIVERY_REPORTING_SUPPORT_FLAG_RECEIVE_SUCCESSES)
 101     {
 102       DEBUG ("Delivery status (%s) = %u", token, delivery_status);
 103
 104       switch (delivery_status)
 105         {
 106           case EMPATHY_DELIVERY_STATUS_NONE:
 107             g_hash_table_remove (self->priv->messages_being_sent,
 108               token);
 109             break;
 110
 111           default:
 112             g_hash_table_insert (self->priv->messages_being_sent,
 113               g_strdup (token),
 114               GUINT_TO_POINTER (delivery_status));
 115             break;
 116         }
 117
 118     g_object_notify (G_OBJECT (self), "n-messages-sending");
 119   }
 120 }
 121
 122 static void tp_chat_prepare_ready_async (TpProxy *proxy,
 123   const TpProxyFeature *feature,
 124   GAsyncReadyCallback callback,
 125   gpointer user_data);
 126
 127 static void
 128 tp_chat_async_cb (TpChannel *proxy,
 129     const GError *error,
 130     gpointer user_data,
 131     GObject *weak_object)
 132 {
 133   if (error != NULL)
 134     DEBUG ("Error %s: %s", (gchar *) user_data, error->message);
 135 }
 136
 137 static void
 138 update_config_cb (TpChannel *proxy,
 139     const GError *error,
 140     gpointer user_data,
 141     GObject *weak_object)
 142 {
 143   if (error != NULL)
 144     DEBUG ("Failed to change config of the room: %s", error->message);
 145 }
 146
 147 static void
 148 create_conference_cb (GObject *source,
 149     GAsyncResult *result,
 150     gpointer user_data)
 151 {
 152   TpChannel *channel;
 153   GError *error = NULL;
 154   GHashTable *props;
 155
 156   channel = tp_account_channel_request_create_and_observe_channel_finish (
 157       TP_ACCOUNT_CHANNEL_REQUEST (source), result, &error);
 158   if (channel == NULL)
 159     {
 160       DEBUG ("Failed to create conference channel: %s", error->message);
 161       g_error_free (error);
 162       return;
 163     }
 164
 165   /* Make the channel more confidential as only people invited are supposed to
 166    * join it. */
 167   props = tp_asv_new (
 168       "Private", G_TYPE_BOOLEAN, TRUE,
 169       "InviteOnly", G_TYPE_BOOLEAN, TRUE,
 170       NULL);
 171
 172   tp_cli_channel_interface_room_config_call_update_configuration (channel, -1,
 173       props, update_config_cb, NULL, NULL, NULL);
 174
 175   g_object_unref (channel);
 176   g_hash_table_unref (props);
 177 }
 178
 179 void
 180 empathy_tp_chat_add (EmpathyTpChat *self,
 181     EmpathyContact *contact,
 182     const gchar *message)
 183 {
 184   TpChannel *channel = (TpChannel *) self;
 185
 186   if (tp_proxy_has_interface_by_id (self,
 187     TP_IFACE_QUARK_CHANNEL_INTERFACE_GROUP))
 188     {
 189       TpHandle handle;
 190       GArray handles = {(gchar *) &handle, 1};
 191
 192       g_return_if_fail (EMPATHY_IS_CONTACT (contact));
 193
 194       handle = empathy_contact_get_handle (contact);
 195       tp_cli_channel_interface_group_call_add_members (channel,
 196         -1, &handles, NULL, NULL, NULL, NULL, NULL);
 197     }
 198   else if (self->priv->can_upgrade_to_muc)
 199     {
 200       TpAccountChannelRequest *req;
 201       GHashTable *props;
 202       const char *object_path;
 203       GPtrArray channels = { (gpointer *) &object_path, 1 };
 204       const char *invitees[2] = { NULL, };
 205       TpAccount *account;
 206
 207       invitees[0] = empathy_contact_get_id (contact);
 208       object_path = tp_proxy_get_object_path (self);
 209
 210       props = tp_asv_new (
 211           TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING,
 212               TP_IFACE_CHANNEL_TYPE_TEXT,
 213           TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, G_TYPE_UINT,
 214               TP_HANDLE_TYPE_NONE,
 215           TP_PROP_CHANNEL_INTERFACE_CONFERENCE_INITIAL_CHANNELS,
 216               TP_ARRAY_TYPE_OBJECT_PATH_LIST, &channels,
 217           TP_PROP_CHANNEL_INTERFACE_CONFERENCE_INITIAL_INVITEE_IDS,
 218               G_TYPE_STRV, invitees,
 219           /* FIXME: InvitationMessage ? */
 220           NULL);
 221
 222       account = empathy_tp_chat_get_account (self);
 223
 224       req = tp_account_channel_request_new (account, props,
 225         TP_USER_ACTION_TIME_NOT_USER_ACTION);
 226
 227       /* Although this is a MUC, it's anonymous, so CreateChannel is
 228        * valid. */
 229       tp_account_channel_request_create_and_observe_channel_async (req,
 230           EMPATHY_CHAT_BUS_NAME, NULL, create_conference_cb, NULL);
 231
 232       g_object_unref (req);
 233       g_hash_table_unref (props);
 234     }
 235   else
 236     {
 237       g_warning ("Cannot add to this channel");
 238     }
 239 }
 240
 241 GList *
 242 empathy_tp_chat_get_members (EmpathyTpChat *self)
 243 {
 244   GList *members = NULL;
 245
 246   if (self->priv->members)
 247     {
 248       members = g_list_copy (self->priv->members);
 249       g_list_foreach (members, (GFunc) g_object_ref, NULL);
 250     }
 251   else
 252     {
 253       members = g_list_prepend (members, g_object_ref (self->priv->user));
 254
 255       if (self->priv->remote_contact != NULL)
 256         members = g_list_prepend (members,
 257             g_object_ref (self->priv->remote_contact));
 258     }
 259
 260   return members;
 261 }
 262
 263 static void
 264 check_ready (EmpathyTpChat *self)
 265 {
 266   if (self->priv->ready_result == NULL)
 267     return;
 268
 269   DEBUG ("Ready");
 270
 271   g_simple_async_result_complete_in_idle (self->priv->ready_result);
 272   tp_clear_object (&self->priv->ready_result);
 273 }
 274
 275 static void
 276 tp_chat_build_message (EmpathyTpChat *self,
 277     TpMessage *msg,
 278     gboolean incoming)
 279 {
 280   EmpathyMessage *message;
 281   TpContact *sender;
 282
 283   message = empathy_message_new_from_tp_message (msg, incoming);
 284   /* FIXME: this is actually a lie for incoming messages. */
 285   empathy_message_set_receiver (message, self->priv->user);
 286
 287   sender = tp_signalled_message_get_sender (msg);
 288   g_assert (sender != NULL);
 289
 290   if (tp_contact_get_handle (sender) == 0)
 291     {
 292       empathy_message_set_sender (message, self->priv->user);
 293     }
 294   else
 295     {
 296       EmpathyContact *contact;
 297
 298       contact = empathy_contact_dup_from_tp_contact (sender);
 299
 300       empathy_message_set_sender (message, contact);
 301
 302       g_object_unref (contact);
 303     }
 304
 305   g_queue_push_tail (self->priv->pending_messages_queue, message);
 306   g_signal_emit (self, signals[MESSAGE_RECEIVED], 0, message);
 307 }
 308
 309 static void
 310 handle_delivery_report (EmpathyTpChat *self,
 311     TpMessage *message)
 312 {
 313   TpDeliveryStatus delivery_status;
 314   const GHashTable *header;
 315   TpChannelTextSendError delivery_error;
 316   gboolean valid;
 317   GPtrArray *echo;
 318   const gchar *message_body = NULL;
 319   const gchar *delivery_dbus_error;
 320   const gchar *delivery_token = NULL;
 321
 322   header = tp_message_peek (message, 0);
 323   if (header == NULL)
 324     goto out;
 325
 326   delivery_token = tp_asv_get_string (header, "delivery-token");
 327   delivery_status = tp_asv_get_uint32 (header, "delivery-status", &valid);
 328
 329   if (!valid)
 330     {
 331       goto out;
 332     }
 333   else if (delivery_status == TP_DELIVERY_STATUS_ACCEPTED)
 334     {
 335       DEBUG ("Accepted %s", delivery_token);
 336       tp_chat_set_delivery_status (self, delivery_token,
 337         EMPATHY_DELIVERY_STATUS_ACCEPTED);
 338       goto out;
 339     }
 340   else if (delivery_status == TP_DELIVERY_STATUS_DELIVERED)
 341     {
 342       DEBUG ("Delivered %s", delivery_token);
 343       tp_chat_set_delivery_status (self, delivery_token,
 344         EMPATHY_DELIVERY_STATUS_NONE);
 345       goto out;
 346     }
 347   else if (delivery_status != TP_DELIVERY_STATUS_PERMANENTLY_FAILED &&
 348        delivery_status != TP_DELIVERY_STATUS_TEMPORARILY_FAILED)
 349     {
 350       goto out;
 351     }
 352
 353   delivery_error = tp_asv_get_uint32 (header, "delivery-error", &valid);
 354   if (!valid)
 355     delivery_error = TP_CHANNEL_TEXT_SEND_ERROR_UNKNOWN;
 356
 357   delivery_dbus_error = tp_asv_get_string (header, "delivery-dbus-error");
 358
 359   /* TODO: ideally we should use tp-glib API giving us the echoed message as a
 360    * TpMessage. (fdo #35884) */
 361   echo = tp_asv_get_boxed (header, "delivery-echo",
 362     TP_ARRAY_TYPE_MESSAGE_PART_LIST);
 363   if (echo != NULL && echo->len >= 2)
 364     {
 365       const GHashTable *echo_body;
 366
 367       echo_body = g_ptr_array_index (echo, 1);
 368       if (echo_body != NULL)
 369         message_body = tp_asv_get_string (echo_body, "content");
 370     }
 371
 372   tp_chat_set_delivery_status (self, delivery_token,
 373       EMPATHY_DELIVERY_STATUS_NONE);
 374   g_signal_emit (self, signals[SEND_ERROR], 0, message_body,
 375       delivery_error, delivery_dbus_error);
 376
 377 out:
 378   tp_text_channel_ack_message_async (TP_TEXT_CHANNEL (self),
 379     message, NULL, NULL);
 380 }
 381
 382 static void
 383 handle_incoming_message (EmpathyTpChat *self,
 384     TpMessage *message,
 385     gboolean pending)
 386 {
 387   gchar *message_body;
 388
 389   if (tp_message_is_delivery_report (message))
 390     {
 391       handle_delivery_report (self, message);
 392       return;
 393     }
 394
 395   message_body = tp_message_to_text (message, NULL);
 396
 397   DEBUG ("Message %s (channel %s): %s",
 398     pending ? "pending" : "received",
 399     tp_proxy_get_object_path (self), message_body);
 400
 401   if (message_body == NULL)
 402     {
 403       DEBUG ("Empty message with NonTextContent, ignoring and acking.");
 404
 405       tp_text_channel_ack_message_async (TP_TEXT_CHANNEL (self),
 406         message, NULL, NULL);
 407       return;
 408     }
 409
 410   tp_chat_build_message (self, message, TRUE);
 411
 412   g_free (message_body);
 413 }
 414
 415 static void
 416 message_received_cb (TpTextChannel *channel,
 417     TpMessage *message,
 418     EmpathyTpChat *self)
 419 {
 420   handle_incoming_message (self, message, FALSE);
 421 }
 422
 423 static gboolean
 424 find_pending_message_func (gconstpointer a,
 425     gconstpointer b)
 426 {
 427   EmpathyMessage *msg = (EmpathyMessage *) a;
 428   TpMessage *message = (TpMessage *) b;
 429
 430   if (empathy_message_get_tp_message (msg) == message)
 431     return 0;
 432
 433   return -1;
 434 }
 435
 436 static void
 437 pending_message_removed_cb (TpTextChannel   *channel,
 438     TpMessage *message,
 439     EmpathyTpChat *self)
 440 {
 441   GList *m;
 442
 443   m = g_queue_find_custom (self->priv->pending_messages_queue, message,
 444       find_pending_message_func);
 445
 446   if (m == NULL)
 447     return;
 448
 449   g_signal_emit (self, signals[MESSAGE_ACKNOWLEDGED], 0, m->data);
 450
 451   g_object_unref (m->data);
 452   g_queue_delete_link (self->priv->pending_messages_queue, m);
 453 }
 454
 455 static void
 456 message_sent_cb (TpTextChannel *channel,
 457     TpMessage *message,
 458     TpMessageSendingFlags flags,
 459     gchar *token,
 460     EmpathyTpChat *self)
 461 {
 462   gchar *message_body;
 463
 464   message_body = tp_message_to_text (message, NULL);
 465
 466   DEBUG ("Message sent: %s", message_body);
 467
 468   tp_chat_build_message (self, message, FALSE);
 469
 470   g_free (message_body);
 471 }
 472
 473 static TpChannelTextSendError
 474 error_to_text_send_error (GError *error)
 475 {
 476   if (error->domain != TP_ERROR)
 477     return TP_CHANNEL_TEXT_SEND_ERROR_UNKNOWN;
 478
 479   switch (error->code)
 480     {
 481       case TP_ERROR_OFFLINE:
 482         return TP_CHANNEL_TEXT_SEND_ERROR_OFFLINE;
 483       case TP_ERROR_INVALID_HANDLE:
 484         return TP_CHANNEL_TEXT_SEND_ERROR_INVALID_CONTACT;
 485       case TP_ERROR_PERMISSION_DENIED:
 486         return TP_CHANNEL_TEXT_SEND_ERROR_PERMISSION_DENIED;
 487       case TP_ERROR_NOT_IMPLEMENTED:
 488         return TP_CHANNEL_TEXT_SEND_ERROR_NOT_IMPLEMENTED;
 489     }
 490
 491   return TP_CHANNEL_TEXT_SEND_ERROR_UNKNOWN;
 492 }
 493
 494 static void
 495 message_send_cb (GObject *source,
 496      GAsyncResult *result,
 497      gpointer user_data)
 498 {
 499   EmpathyTpChat *self = user_data;
 500   TpTextChannel *channel = (TpTextChannel *) source;
 501   gchar *token = NULL;
 502   GError *error = NULL;
 503
 504   if (!tp_text_channel_send_message_finish (channel, result, &token, &error))
 505     {
 506       DEBUG ("Error: %s", error->message);
 507
 508       /* FIXME: we should use the body of the message as first argument of the
 509        * signal but can't easily get it as we just get a user_data pointer. Once
 510        * we'll have rebased EmpathyTpChat on top of TpTextChannel we'll be able
 511        * to use the user_data pointer to pass the message and fix this. */
 512       g_signal_emit (self, signals[SEND_ERROR], 0,
 513                NULL, error_to_text_send_error (error), NULL);
 514
 515       g_error_free (error);
 516     }
 517
 518   tp_chat_set_delivery_status (self, token,
 519     EMPATHY_DELIVERY_STATUS_SENDING);
 520   g_free (token);
 521 }
 522
 523 static void
 524 list_pending_messages (EmpathyTpChat *self)
 525 {
 526   GList *messages, *l;
 527
 528   messages = tp_text_channel_dup_pending_messages (TP_TEXT_CHANNEL (self));
 529
 530   for (l = messages; l != NULL; l = g_list_next (l))
 531     {
 532       TpMessage *message = l->data;
 533
 534       handle_incoming_message (self, message, FALSE);
 535     }
 536
 537   g_list_free_full (messages, g_object_unref);
 538 }
 539
 540 static void
 541 update_subject (EmpathyTpChat *self,
 542     GHashTable *properties)
 543 {
 544   gboolean can_set, valid;
 545   const gchar *subject;
 546
 547   can_set = tp_asv_get_boolean (properties, "CanSet", &valid);
 548   if (valid)
 549     self->priv->can_set_subject = can_set;
 550
 551   subject = tp_asv_get_string (properties, "Subject");
 552   if (subject != NULL)
 553     {
 554       const gchar *actor;
 555
 556       g_free (self->priv->subject);
 557       self->priv->subject = g_strdup (subject);
 558
 559       /* If the actor is included with this update, use it;
 560        * otherwise, clear it to avoid showing stale information.
 561        * Why might it not be included? When you join an IRC channel,
 562        * you get a pair of messages: first, the current topic; next,
 563        * who set it, and when. Idle reports these in two separate
 564        * signals.
 565        */
 566       actor = tp_asv_get_string (properties, "Actor");
 567       g_free (self->priv->subject_actor);
 568       self->priv->subject_actor = g_strdup (actor);
 569
 570       g_object_notify (G_OBJECT (self), "subject");
 571     }
 572
 573   /* TODO: track Timestamp. */
 574 }
 575
 576 static void
 577 tp_chat_get_all_subject_cb (TpProxy *proxy,
 578     GHashTable *properties,
 579     const GError *error,
 580     gpointer user_data G_GNUC_UNUSED,
 581     GObject *chat)
 582 {
 583   EmpathyTpChat *self = EMPATHY_TP_CHAT (chat);
 584
 585   if (error != NULL)
 586     {
 587       DEBUG ("Error fetching subject: %s", error->message);
 588       return;
 589     }
 590
 591   self->priv->supports_subject = TRUE;
 592   update_subject (self, properties);
 593 }
 594
 595 static void
 596 update_title (EmpathyTpChat *self,
 597     GHashTable *properties)
 598 {
 599   const gchar *title = tp_asv_get_string (properties, "Title");
 600
 601   if (title != NULL)
 602     {
 603       if (tp_str_empty (title))
 604         title = NULL;
 605
 606       g_free (self->priv->title);
 607       self->priv->title = g_strdup (title);
 608       g_object_notify (G_OBJECT (self), "title");
 609     }
 610 }
 611
 612 static void
 613 tp_chat_get_all_room_config_cb (TpProxy *proxy,
 614     GHashTable *properties,
 615     const GError *error,
 616     gpointer user_data G_GNUC_UNUSED,
 617     GObject *chat)
 618 {
 619   EmpathyTpChat *self = EMPATHY_TP_CHAT (chat);
 620
 621   if (error)
 622     {
 623       DEBUG ("Error fetching room config: %s", error->message);
 624       return;
 625     }
 626
 627   update_title (self, properties);
 628 }
 629
 630 static void
 631 tp_chat_dbus_properties_changed_cb (TpProxy *proxy,
 632     const gchar *interface_name,
 633     GHashTable *changed,
 634     const gchar **invalidated,
 635     gpointer user_data,
 636     GObject *chat)
 637 {
 638   EmpathyTpChat *self = EMPATHY_TP_CHAT (chat);
 639
 640   if (!tp_strdiff (interface_name, TP_IFACE_CHANNEL_INTERFACE_SUBJECT))
 641     update_subject (self, changed);
 642
 643   if (!tp_strdiff (interface_name, TP_IFACE_CHANNEL_INTERFACE_ROOM_CONFIG))
 644     update_title (self, changed);
 645 }
 646
 647 void
 648 empathy_tp_chat_set_subject (EmpathyTpChat *self,
 649     const gchar *subject)
 650 {
 651   tp_cli_channel_interface_subject_call_set_subject (TP_CHANNEL (self), -1,
 652       subject, tp_chat_async_cb, "while setting subject", NULL,
 653       G_OBJECT (self));
 654 }
 655
 656 const gchar *
 657 empathy_tp_chat_get_title (EmpathyTpChat *self)
 658 {
 659   return self->priv->title;
 660 }
 661
 662 gboolean
 663 empathy_tp_chat_supports_subject (EmpathyTpChat *self)
 664 {
 665   return self->priv->supports_subject;
 666 }
 667
 668 gboolean
 669 empathy_tp_chat_can_set_subject (EmpathyTpChat *self)
 670 {
 671   return self->priv->can_set_subject;
 672 }
 673
 674 const gchar *
 675 empathy_tp_chat_get_subject (EmpathyTpChat *self)
 676 {
 677   return self->priv->subject;
 678 }
 679
 680 const gchar *
 681 empathy_tp_chat_get_subject_actor (EmpathyTpChat *self)
 682 {
 683   return self->priv->subject_actor;
 684 }
 685
 686 static void
 687 tp_chat_dispose (GObject *object)
 688 {
 689   EmpathyTpChat *self = EMPATHY_TP_CHAT (object);
 690
 691   tp_clear_object (&self->priv->remote_contact);
 692   tp_clear_object (&self->priv->user);
 693
 694   g_queue_foreach (self->priv->pending_messages_queue,
 695     (GFunc) g_object_unref, NULL);
 696   g_queue_clear (self->priv->pending_messages_queue);
 697
 698   tp_clear_object (&self->priv->ready_result);
 699
 700   if (G_OBJECT_CLASS (empathy_tp_chat_parent_class)->dispose)
 701     G_OBJECT_CLASS (empathy_tp_chat_parent_class)->dispose (object);
 702 }
 703
 704 static void
 705 tp_chat_finalize (GObject *object)
 706 {
 707   EmpathyTpChat *self = (EmpathyTpChat *) object;
 708
 709   DEBUG ("Finalize: %p", object);
 710
 711   g_queue_free (self->priv->pending_messages_queue);
 712   g_hash_table_unref (self->priv->messages_being_sent);
 713
 714   g_free (self->priv->title);
 715   g_free (self->priv->subject);
 716   g_free (self->priv->subject_actor);
 717
 718   G_OBJECT_CLASS (empathy_tp_chat_parent_class)->finalize (object);
 719 }
 720
 721 static void
 722 check_almost_ready (EmpathyTpChat *self)
 723 {
 724   TpChannel *channel = (TpChannel *) self;
 725
 726   if (self->priv->ready_result == NULL)
 727     return;
 728
 729   if (self->priv->user == NULL)
 730     return;
 731
 732   if (self->priv->preparing_password)
 733     return;
 734
 735   /* We need either the members (room) or the remote contact (private chat).
 736    * If the chat is protected by a password we can't get these information so
 737    * consider the chat as ready so it can be presented to the user. */
 738   if (!tp_channel_password_needed (channel) && self->priv->members == NULL &&
 739       self->priv->remote_contact == NULL)
 740     return;
 741
 742   g_assert (tp_proxy_is_prepared (self,
 743     TP_TEXT_CHANNEL_FEATURE_INCOMING_MESSAGES));
 744
 745   tp_g_signal_connect_object (self, "message-received",
 746     G_CALLBACK (message_received_cb), self, 0);
 747   tp_g_signal_connect_object (self, "pending-message-removed",
 748     G_CALLBACK (pending_message_removed_cb), self, 0);
 749
 750   list_pending_messages (self);
 751
 752   tp_g_signal_connect_object (self, "message-sent",
 753     G_CALLBACK (message_sent_cb), self, 0);
 754
 755   check_ready (self);
 756 }
 757
 758 static void
 759 add_members_contact (EmpathyTpChat *self,
 760     GPtrArray *contacts)
 761 {
 762   guint i;
 763
 764   for (i = 0; i < contacts->len; i++)
 765     {
 766       EmpathyContact *contact;
 767
 768       contact = empathy_contact_dup_from_tp_contact (g_ptr_array_index (
 769             contacts, i));
 770
 771       self->priv->members = g_list_prepend (self->priv->members, contact);
 772
 773       g_signal_emit (self, signals[SIG_MEMBERS_CHANGED], 0,
 774                  contact, NULL, 0, NULL, TRUE);
 775     }
 776
 777   check_almost_ready (self);
 778 }
 779
 780 static void
 781 remove_member (EmpathyTpChat *self,
 782     EmpathyContact *contact)
 783 {
 784   GList *l;
 785
 786   for (l = self->priv->members; l; l = l->next)
 787     {
 788       EmpathyContact *c = l->data;
 789
 790       if (contact == c)
 791         {
 792           self->priv->members = g_list_delete_link (self->priv->members, l);
 793           g_object_unref (c);
 794           break;
 795         }
 796     }
 797 }
 798
 799 static void
 800 contact_renamed (EmpathyTpChat *self,
 801     TpContact *old_contact,
 802     TpContact *new_contact,
 803     TpChannelGroupChangeReason reason,
 804     const gchar *message)
 805 {
 806   EmpathyContact *old = NULL, *new = NULL;
 807
 808   old = empathy_contact_dup_from_tp_contact (old_contact);
 809   new = empathy_contact_dup_from_tp_contact (new_contact);
 810
 811   self->priv->members = g_list_prepend (self->priv->members, new);
 812
 813   if (old != NULL)
 814     {
 815       remove_member (self, old);
 816
 817       g_signal_emit (self, signals[SIG_MEMBER_RENAMED], 0, old, new,
 818           reason, message);
 819       g_object_unref (old);
 820     }
 821
 822   if (self->priv->user == old)
 823     {
 824       /* We change our nick */
 825       tp_clear_object (&self->priv->user);
 826       self->priv->user = g_object_ref (new);
 827       g_object_notify (G_OBJECT (self), "self-contact");
 828     }
 829
 830   check_almost_ready (self);
 831 }
 832
 833 static void
 834 tp_chat_group_contacts_changed_cb (TpChannel *channel,
 835     GPtrArray *added,
 836     GPtrArray *removed,
 837     GPtrArray *local_pending,
 838     GPtrArray *remote_pending,
 839     TpContact *actor,
 840     GHashTable *details,
 841     EmpathyTpChat *self)
 842 {
 843   EmpathyContact *actor_contact = NULL;
 844   guint i;
 845   TpChannelGroupChangeReason reason;
 846   const gchar *message;
 847
 848   reason = tp_asv_get_uint32 (details, "change-reason", NULL);
 849   message = tp_asv_get_string (details, "message");
 850
 851   /* Contact renamed */
 852   if (reason == TP_CHANNEL_GROUP_CHANGE_REASON_RENAMED)
 853     {
 854       /* there can only be a single 'added' and a single 'removed' handle */
 855       if (removed->len != 1 || added->len != 1)
 856         {
 857           g_warning ("RENAMED with %u added, %u removed (expected 1, 1)",
 858             added->len, removed->len);
 859           return;
 860         }
 861
 862       contact_renamed (self, g_ptr_array_index (removed, 0),
 863           g_ptr_array_index (added, 0), reason, message);
 864       return;
 865     }
 866
 867   if (actor != NULL)
 868     {
 869       actor_contact = empathy_contact_dup_from_tp_contact (actor);
 870
 871       if (actor_contact == NULL)
 872         {
 873           /* FIXME: handle this a tad more gracefully: perhaps
 874            * the actor was a server op. We could use the
 875            * contact-ids detail of MembersChangedDetailed.
 876            */
 877           DEBUG ("actor %s not a channel member",
 878               tp_contact_get_identifier (actor));
 879         }
 880     }
 881
 882   /* Remove contacts that are not members anymore */
 883   for (i = 0; i < removed->len; i++)
 884     {
 885       TpContact *tp_contact = g_ptr_array_index (removed, i);
 886       EmpathyContact *contact;
 887
 888       contact = empathy_contact_dup_from_tp_contact (tp_contact);
 889
 890       if (contact != NULL)
 891         {
 892           remove_member (self, contact);
 893
 894           g_signal_emit (self, signals[SIG_MEMBERS_CHANGED], 0,
 895                      contact, actor_contact, reason, message, FALSE);
 896           g_object_unref (contact);
 897         }
 898     }
 899
 900   if (added->len > 0)
 901     {
 902       add_members_contact (self, added);
 903     }
 904
 905   if (actor_contact != NULL)
 906     g_object_unref (actor_contact);
 907 }
 908
 909 static void
 910 create_remote_contact (EmpathyTpChat *self,
 911     TpContact *contact)
 912 {
 913   self->priv->remote_contact = empathy_contact_dup_from_tp_contact (contact);
 914   g_object_notify (G_OBJECT (self), "remote-contact");
 915
 916   check_almost_ready (self);
 917 }
 918
 919 static void
 920 create_self_contact (EmpathyTpChat *self,
 921     TpContact *contact)
 922 {
 923   self->priv->user = empathy_contact_dup_from_tp_contact (contact);
 924   empathy_contact_set_is_user (self->priv->user, TRUE);
 925   g_object_notify (G_OBJECT (self), "self-contact");
 926   check_almost_ready (self);
 927 }
 928
 929 static void
 930 tp_chat_get_property (GObject *object,
 931     guint param_id,
 932     GValue *value,
 933     GParamSpec *pspec)
 934 {
 935   EmpathyTpChat *self = EMPATHY_TP_CHAT (object);
 936
 937   switch (param_id)
 938     {
 939       case PROP_SELF_CONTACT:
 940         g_value_set_object (value, self->priv->user);
 941         break;
 942       case PROP_REMOTE_CONTACT:
 943         g_value_set_object (value, self->priv->remote_contact);
 944         break;
 945       case PROP_N_MESSAGES_SENDING:
 946         g_value_set_uint (value,
 947           g_hash_table_size (self->priv->messages_being_sent));
 948         break;
 949       case PROP_TITLE:
 950         g_value_set_string (value,
 951           empathy_tp_chat_get_title (self));
 952         break;
 953       case PROP_SUBJECT:
 954         g_value_set_string (value,
 955           empathy_tp_chat_get_subject (self));
 956         break;
 957       default:
 958         G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 959         break;
 960     };
 961 }
 962
 963 enum {
 964   FEAT_READY,
 965   N_FEAT
 966 };
 967
 968 static const TpProxyFeature *
 969 tp_chat_list_features (TpProxyClass *cls G_GNUC_UNUSED)
 970 {
 971   static TpProxyFeature features[N_FEAT + 1] = { { 0 } };
 972   static GQuark need[2] = {0, 0};
 973
 974   if (G_LIKELY (features[0].name != 0))
 975     return features;
 976
 977   features[FEAT_READY].name = EMPATHY_TP_CHAT_FEATURE_READY;
 978   need[0] = TP_TEXT_CHANNEL_FEATURE_INCOMING_MESSAGES;
 979   features[FEAT_READY].depends_on = need;
 980   features[FEAT_READY].prepare_async =
 981     tp_chat_prepare_ready_async;
 982
 983   /* assert that the terminator at the end is there */
 984   g_assert (features[N_FEAT].name == 0);
 985
 986   return features;
 987 }
 988
 989 static void
 990 empathy_tp_chat_class_init (EmpathyTpChatClass *klass)
 991 {
 992   GObjectClass *object_class = G_OBJECT_CLASS (klass);
 993   TpProxyClass *proxy_class = TP_PROXY_CLASS (klass);
 994
 995   object_class->dispose = tp_chat_dispose;
 996   object_class->finalize = tp_chat_finalize;
 997   object_class->get_property = tp_chat_get_property;
 998
 999   proxy_class->list_features = tp_chat_list_features;
1000
1001   /**
1002    * EmpathyTpChat:self-contact:
1003    *
1004    * Not to be confused with TpChannel:group-self-contact.
1005    */
1006   g_object_class_install_property (object_class, PROP_SELF_CONTACT,
1007       g_param_spec_object ("self-contact", "The local contact",
1008         "The EmpathyContact for the local user on this channel",
1009         EMPATHY_TYPE_CONTACT,
1010         G_PARAM_READABLE));
1011
1012   g_object_class_install_property (object_class, PROP_REMOTE_CONTACT,
1013       g_param_spec_object ("remote-contact", "The remote contact",
1014         "The remote contact if there is no group iface on the channel",
1015         EMPATHY_TYPE_CONTACT,
1016         G_PARAM_READABLE));
1017
1018   g_object_class_install_property (object_class, PROP_N_MESSAGES_SENDING,
1019       g_param_spec_uint ("n-messages-sending", "Num Messages Sending",
1020         "The number of messages being sent",
1021         0, G_MAXUINT, 0,
1022         G_PARAM_READABLE));
1023
1024   g_object_class_install_property (object_class, PROP_TITLE,
1025       g_param_spec_string ("title", "Title",
1026         "A human-readable name for the room, if any",
1027         NULL,
1028         G_PARAM_READABLE |
1029         G_PARAM_STATIC_STRINGS));
1030
1031   g_object_class_install_property (object_class, PROP_SUBJECT,
1032       g_param_spec_string ("subject", "Subject",
1033         "The room's current subject, if any",
1034         NULL,
1035         G_PARAM_READABLE |
1036         G_PARAM_STATIC_STRINGS));
1037
1038   /* Signals */
1039   signals[MESSAGE_RECEIVED] = g_signal_new ("message-received-empathy",
1040       G_TYPE_FROM_CLASS (klass),
1041       G_SIGNAL_RUN_LAST,
1042       0,
1043       NULL, NULL,
1044       g_cclosure_marshal_generic,
1045       G_TYPE_NONE,
1046       1, EMPATHY_TYPE_MESSAGE);
1047
1048   signals[SEND_ERROR] = g_signal_new ("send-error",
1049       G_TYPE_FROM_CLASS (klass),
1050       G_SIGNAL_RUN_LAST,
1051       0,
1052       NULL, NULL,
1053       g_cclosure_marshal_generic,
1054       G_TYPE_NONE,
1055       3, G_TYPE_STRING, G_TYPE_UINT, G_TYPE_STRING);
1056
1057   signals[MESSAGE_ACKNOWLEDGED] = g_signal_new ("message-acknowledged",
1058       G_TYPE_FROM_CLASS (klass),
1059       G_SIGNAL_RUN_LAST,
1060       0,
1061       NULL, NULL,
1062       g_cclosure_marshal_generic,
1063       G_TYPE_NONE,
1064       1, EMPATHY_TYPE_MESSAGE);
1065
1066   signals[SIG_MEMBER_RENAMED] = g_signal_new ("member-renamed",
1067       G_OBJECT_CLASS_TYPE (klass),
1068       G_SIGNAL_RUN_LAST,
1069       0, NULL, NULL, NULL,
1070       G_TYPE_NONE,
1071       4, EMPATHY_TYPE_CONTACT, EMPATHY_TYPE_CONTACT,
1072       G_TYPE_UINT, G_TYPE_STRING);
1073
1074   signals[SIG_MEMBERS_CHANGED] = g_signal_new ("members-changed",
1075       G_OBJECT_CLASS_TYPE (klass),
1076       G_SIGNAL_RUN_LAST,
1077       0, NULL, NULL, NULL,
1078       G_TYPE_NONE,
1079       5, EMPATHY_TYPE_CONTACT, EMPATHY_TYPE_CONTACT,
1080       G_TYPE_UINT, G_TYPE_STRING, G_TYPE_BOOLEAN);
1081
1082   g_type_class_add_private (object_class, sizeof (EmpathyTpChatPrivate));
1083 }
1084
1085 static void
1086 empathy_tp_chat_init (EmpathyTpChat *self)
1087 {
1088   self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self, EMPATHY_TYPE_TP_CHAT,
1089       EmpathyTpChatPrivate);
1090
1091   self->priv->pending_messages_queue = g_queue_new ();
1092   self->priv->messages_being_sent = g_hash_table_new_full (
1093       g_str_hash, g_str_equal, g_free, NULL);
1094 }
1095
1096 EmpathyTpChat *
1097 empathy_tp_chat_new (TpSimpleClientFactory *factory,
1098     TpConnection *conn,
1099     const gchar *object_path,
1100     const GHashTable *immutable_properties)
1101 {
1102   g_return_val_if_fail (TP_IS_CONNECTION (conn), NULL);
1103   g_return_val_if_fail (immutable_properties != NULL, NULL);
1104
1105   return g_object_new (EMPATHY_TYPE_TP_CHAT,
1106       "factory", factory,
1107        "connection", conn,
1108        "dbus-daemon", tp_proxy_get_dbus_daemon (conn),
1109        "bus-name", tp_proxy_get_bus_name (conn),
1110        "object-path", object_path,
1111        "channel-properties", immutable_properties,
1112        NULL);
1113 }
1114
1115 const gchar *
1116 empathy_tp_chat_get_id (EmpathyTpChat *self)
1117 {
1118   const gchar *id;
1119
1120   g_return_val_if_fail (EMPATHY_IS_TP_CHAT (self), NULL);
1121
1122   id = tp_channel_get_identifier ((TpChannel *) self);
1123   if (!EMP_STR_EMPTY (id))
1124     return id;
1125   else if (self->priv->remote_contact)
1126     return empathy_contact_get_id (self->priv->remote_contact);
1127   else
1128     return NULL;
1129
1130 }
1131
1132 EmpathyContact *
1133 empathy_tp_chat_get_remote_contact (EmpathyTpChat *self)
1134 {
1135   g_return_val_if_fail (EMPATHY_IS_TP_CHAT (self), NULL);
1136
1137   return self->priv->remote_contact;
1138 }
1139
1140 TpAccount *
1141 empathy_tp_chat_get_account (EmpathyTpChat *self)
1142 {
1143   TpConnection *connection;
1144
1145   g_return_val_if_fail (EMPATHY_IS_TP_CHAT (self), NULL);
1146
1147   connection = tp_channel_get_connection (TP_CHANNEL (self));
1148
1149   return tp_connection_get_account (connection);
1150 }
1151
1152 void
1153 empathy_tp_chat_send (EmpathyTpChat *self,
1154           TpMessage *message)
1155 {
1156   gchar *message_body;
1157
1158   g_return_if_fail (EMPATHY_IS_TP_CHAT (self));
1159   g_return_if_fail (TP_IS_CLIENT_MESSAGE (message));
1160
1161   message_body = tp_message_to_text (message, NULL);
1162
1163   DEBUG ("Sending message: %s", message_body);
1164
1165   tp_text_channel_send_message_async (TP_TEXT_CHANNEL (self),
1166     message, TP_MESSAGE_SENDING_FLAG_REPORT_DELIVERY,
1167     message_send_cb, self);
1168
1169   g_free (message_body);
1170 }
1171
1172 const GList *
1173 empathy_tp_chat_get_pending_messages (EmpathyTpChat *self)
1174 {
1175   g_return_val_if_fail (EMPATHY_IS_TP_CHAT (self), NULL);
1176
1177   return self->priv->pending_messages_queue->head;
1178 }
1179
1180 void
1181 empathy_tp_chat_acknowledge_message (EmpathyTpChat *self,
1182     EmpathyMessage *message)
1183 {
1184   TpMessage *tp_msg;
1185
1186   g_return_if_fail (EMPATHY_IS_TP_CHAT (self));
1187
1188   if (!empathy_message_is_incoming (message))
1189     return;
1190
1191   tp_msg = empathy_message_get_tp_message (message);
1192   tp_text_channel_ack_message_async (TP_TEXT_CHANNEL (self),
1193              tp_msg, NULL, NULL);
1194 }
1195
1196 /**
1197  * empathy_tp_chat_can_add_contact:
1198  *
1199  * Returns: %TRUE if empathy_contact_list_add() will work for this channel.
1200  * That is if this chat is a 1-to-1 channel that can be upgraded to
1201  * a MUC using the Conference interface or if the channel is a MUC.
1202  */
1203 gboolean
1204 empathy_tp_chat_can_add_contact (EmpathyTpChat *self)
1205 {
1206   g_return_val_if_fail (EMPATHY_IS_TP_CHAT (self), FALSE);
1207
1208   return self->priv->can_upgrade_to_muc ||
1209     tp_proxy_has_interface_by_id (self,
1210       TP_IFACE_QUARK_CHANNEL_INTERFACE_GROUP);;
1211 }
1212
1213 static void
1214 tp_channel_leave_async_cb (GObject *source_object,
1215         GAsyncResult *res,
1216         gpointer user_data)
1217 {
1218   GError *error = NULL;
1219
1220   if (!tp_channel_leave_finish (TP_CHANNEL (source_object), res, &error))
1221     {
1222       DEBUG ("Could not leave channel properly: (%s); closing the channel",
1223         error->message);
1224       g_error_free (error);
1225     }
1226 }
1227
1228 void
1229 empathy_tp_chat_leave (EmpathyTpChat *self,
1230     const gchar *message)
1231 {
1232   TpChannel *channel = (TpChannel *) self;
1233
1234   DEBUG ("Leaving channel %s with message \"%s\"",
1235     tp_channel_get_identifier (channel), message);
1236
1237   tp_channel_leave_async (channel, TP_CHANNEL_GROUP_CHANGE_REASON_NONE,
1238     message, tp_channel_leave_async_cb, self);
1239 }
1240
1241 gboolean
1242 empathy_tp_chat_is_invited (EmpathyTpChat *self,
1243     TpContact **inviter)
1244 {
1245   TpContact *self_contact;
1246   TpChannel *channel = TP_CHANNEL (self);
1247
1248   if (!tp_proxy_has_interface (self, TP_IFACE_CHANNEL_INTERFACE_GROUP))
1249     return FALSE;
1250
1251   self_contact = tp_channel_group_get_self_contact (channel);
1252   if (self_contact == NULL)
1253     return FALSE;
1254
1255   return tp_channel_group_get_local_pending_contact_info (channel,
1256       self_contact, inviter, NULL, NULL);
1257 }
1258
1259 TpChannelChatState
1260 empathy_tp_chat_get_chat_state (EmpathyTpChat *self,
1261     EmpathyContact *contact)
1262 {
1263   return tp_text_channel_get_chat_state ((TpTextChannel *) self,
1264     empathy_contact_get_tp_contact (contact));
1265 }
1266
1267 EmpathyContact *
1268 empathy_tp_chat_get_self_contact (EmpathyTpChat *self)
1269 {
1270   g_return_val_if_fail (EMPATHY_IS_TP_CHAT (self), NULL);
1271
1272   return self->priv->user;
1273 }
1274
1275 GQuark
1276 empathy_tp_chat_get_feature_ready (void)
1277 {
1278   return g_quark_from_static_string ("empathy-tp-chat-feature-ready");
1279 }
1280
1281 static void
1282 password_feature_prepare_cb (GObject *source,
1283     GAsyncResult *result,
1284     gpointer user_data)
1285 {
1286   EmpathyTpChat *self = user_data;
1287   GError *error = NULL;
1288
1289   if (!tp_proxy_prepare_finish (source, result, &error))
1290     {
1291       DEBUG ("Failed to prepare Password: %s", error->message);
1292       g_error_free (error);
1293     }
1294
1295   self->priv->preparing_password = FALSE;
1296
1297   check_almost_ready (self);
1298 }
1299
1300 static void
1301 continue_preparing (EmpathyTpChat *self)
1302 {
1303   TpChannel *channel = (TpChannel *) self;
1304   TpConnection *connection;
1305   gboolean listen_for_dbus_properties_changed = FALSE;
1306
1307   connection = tp_channel_get_connection (channel);
1308
1309   if (tp_proxy_has_interface_by_id (self,
1310         TP_IFACE_QUARK_CHANNEL_INTERFACE_PASSWORD))
1311     {
1312       /* The password feature can't be a hard dep on our own feature has we
1313        * depend on it only if the channel implements the
1314        * Password interface.
1315        */
1316       GQuark features[] = { TP_CHANNEL_FEATURE_PASSWORD , 0 };
1317
1318       self->priv->preparing_password = TRUE;
1319
1320       tp_proxy_prepare_async (self, features, password_feature_prepare_cb,
1321           self);
1322     }
1323
1324   if (tp_proxy_has_interface_by_id (self,
1325             TP_IFACE_QUARK_CHANNEL_INTERFACE_GROUP))
1326     {
1327       GPtrArray *contacts;
1328       TpContact *contact;
1329
1330       /* Get self contact from the group's self handle */
1331       contact = tp_channel_group_get_self_contact (channel);
1332       create_self_contact (self, contact);
1333
1334       /* Get initial member contacts */
1335       contacts = tp_channel_group_dup_members_contacts (channel);
1336       add_members_contact (self, contacts);
1337       g_ptr_array_unref (contacts);
1338
1339       self->priv->can_upgrade_to_muc = FALSE;
1340
1341       tp_g_signal_connect_object (self, "group-contacts-changed",
1342         G_CALLBACK (tp_chat_group_contacts_changed_cb), self, 0);
1343     }
1344   else
1345     {
1346       TpCapabilities *caps;
1347       GVariant *classes, *class;
1348       GVariantIter iter;
1349       TpContact *contact;
1350
1351       /* Get the self contact from the connection's self handle */
1352       contact = tp_connection_get_self_contact (connection);
1353       create_self_contact (self, contact);
1354
1355       /* Get the remote contact */
1356       contact = tp_channel_get_target_contact (channel);
1357       create_remote_contact (self, contact);
1358
1359       caps = tp_connection_get_capabilities (connection);
1360       g_assert (caps != NULL);
1361
1362       classes = tp_capabilities_dup_channel_classes_variant (caps);
1363
1364       g_variant_iter_init (&iter, classes);
1365       while ((class = g_variant_iter_next_value (&iter)))
1366         {
1367           GVariant *fixed, *allowed;
1368           const gchar *chan_type = NULL;
1369
1370           fixed = g_variant_get_child_value (class, 0);
1371           allowed = g_variant_get_child_value (class, 1);
1372
1373           g_variant_lookup (fixed, TP_PROP_CHANNEL_CHANNEL_TYPE, "&s",
1374               &chan_type);
1375           if (!tp_strdiff (chan_type, TP_IFACE_CHANNEL_TYPE_TEXT))
1376             {
1377               const gchar **oprops;
1378
1379               oprops = g_variant_get_strv (allowed, NULL);
1380
1381               if (tp_strv_contains (oprops,
1382                     TP_PROP_CHANNEL_INTERFACE_CONFERENCE_INITIAL_CHANNELS))
1383                 {
1384                   self->priv->can_upgrade_to_muc = TRUE;
1385                 }
1386
1387               g_free (oprops);
1388             }
1389
1390           g_variant_unref (class);
1391           g_variant_unref (fixed);
1392           g_variant_unref (allowed);
1393
1394           if (self->priv->can_upgrade_to_muc)
1395             break;
1396         }
1397
1398       g_variant_unref (classes);
1399     }
1400
1401   if (tp_proxy_has_interface_by_id (self,
1402             TP_IFACE_QUARK_CHANNEL_INTERFACE_SUBJECT))
1403     {
1404       tp_cli_dbus_properties_call_get_all (channel, -1,
1405                    TP_IFACE_CHANNEL_INTERFACE_SUBJECT,
1406                    tp_chat_get_all_subject_cb,
1407                    NULL, NULL,
1408                    G_OBJECT (self));
1409       listen_for_dbus_properties_changed = TRUE;
1410     }
1411
1412   if (tp_proxy_has_interface_by_id (self,
1413             TP_IFACE_QUARK_CHANNEL_INTERFACE_ROOM_CONFIG))
1414     {
1415       tp_cli_dbus_properties_call_get_all (channel, -1,
1416                    TP_IFACE_CHANNEL_INTERFACE_ROOM_CONFIG,
1417                    tp_chat_get_all_room_config_cb,
1418                    NULL, NULL,
1419                    G_OBJECT (self));
1420       listen_for_dbus_properties_changed = TRUE;
1421     }
1422
1423   if (listen_for_dbus_properties_changed)
1424     {
1425       tp_cli_dbus_properties_connect_to_properties_changed (channel,
1426                         tp_chat_dbus_properties_changed_cb,
1427                         NULL, NULL,
1428                         G_OBJECT (self), NULL);
1429     }
1430 }
1431
1432 static void
1433 conn_connected_cb (GObject *source,
1434     GAsyncResult *result,
1435     gpointer user_data)
1436 {
1437   EmpathyTpChat *self = user_data;
1438   GError *error = NULL;
1439
1440   if (!tp_proxy_prepare_finish (source, result, &error))
1441     {
1442       DEBUG ("Failed to prepare Connected: %s", error->message);
1443       g_simple_async_result_take_error (self->priv->ready_result, error);
1444       g_simple_async_result_complete (self->priv->ready_result);
1445       tp_clear_object (&self->priv->ready_result);
1446       return;
1447     }
1448
1449   continue_preparing (self);
1450 }
1451
1452 static void
1453 tp_chat_prepare_ready_async (TpProxy *proxy,
1454   const TpProxyFeature *feature,
1455   GAsyncReadyCallback callback,
1456   gpointer user_data)
1457 {
1458   EmpathyTpChat *self = (EmpathyTpChat *) proxy;
1459   TpChannel *channel = (TpChannel *) proxy;
1460   TpConnection *connection;
1461   GQuark features[] = { TP_CONNECTION_FEATURE_CONNECTED, 0 };
1462
1463   g_assert (self->priv->ready_result == NULL);
1464
1465   self->priv->ready_result = g_simple_async_result_new (G_OBJECT (self),
1466     callback, user_data, tp_chat_prepare_ready_async);
1467
1468   connection = tp_channel_get_connection (channel);
1469
1470   /* First we have to make sure that TP_CONNECTION_FEATURE_CONNECTED is
1471    * prepared as we rely on TpConnection::self-contact
1472    * in continue_preparing().
1473    *
1474    * It would be nice if tp-glib could do this for us: fdo#59126 */
1475   tp_proxy_prepare_async (connection, features, conn_connected_cb, proxy);
1476 }