libempathy/empathy-tp-chat.c

   1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
   2 /*
   3  * Copyright (C) 2007-2008 Collabora Ltd.
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2.1 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  18  *
  19  * Authors: Xavier Claessens <xclaesse@gmail.com>
  20  */
  21
  22 #include <config.h>
  23
  24 #include <string.h>
  25
  26 #include <telepathy-glib/telepathy-glib.h>
  27
  28 #include <extensions/extensions.h>
  29
  30 #include "empathy-tp-chat.h"
  31 #include "empathy-tp-contact-factory.h"
  32 #include "empathy-contact-list.h"
  33 #include "empathy-request-util.h"
  34 #include "empathy-time.h"
  35 #include "empathy-utils.h"
  36
  37 #define DEBUG_FLAG EMPATHY_DEBUG_TP | EMPATHY_DEBUG_CHAT
  38 #include "empathy-debug.h"
  39
  40 struct _EmpathyTpChatPrivate {
  41         TpAccount             *account;
  42         EmpathyContact        *user;
  43         EmpathyContact        *remote_contact;
  44         GList                 *members;
  45         /* Queue of messages not signalled yet */
  46         GQueue                *messages_queue;
  47         /* Queue of messages signalled but not acked yet */
  48         GQueue                *pending_messages_queue;
  49
  50         /* Subject */
  51         gboolean               supports_subject;
  52         gboolean               can_set_subject;
  53         gchar                 *subject;
  54
  55         /* Room config (for now, we only track the title and don't support
  56          * setting it) */
  57         gchar                 *title;
  58
  59         gboolean               can_upgrade_to_muc;
  60
  61         GHashTable            *messages_being_sent;
  62
  63         /* GSimpleAsyncResult used when preparing EMPATHY_TP_CHAT_FEATURE_CORE */
  64         GSimpleAsyncResult    *ready_result;
  65 };
  66
  67 static void tp_chat_iface_init         (EmpathyContactListIface *iface);
  68
  69 enum {
  70         PROP_0,
  71         PROP_ACCOUNT,
  72         PROP_SELF_CONTACT,
  73         PROP_REMOTE_CONTACT,
  74         PROP_N_MESSAGES_SENDING,
  75         PROP_TITLE,
  76         PROP_SUBJECT,
  77 };
  78
  79 enum {
  80         MESSAGE_RECEIVED,
  81         SEND_ERROR,
  82         CHAT_STATE_CHANGED,
  83         MESSAGE_ACKNOWLEDGED,
  84         LAST_SIGNAL
  85 };
  86
  87 static guint signals[LAST_SIGNAL];
  88
  89 G_DEFINE_TYPE_WITH_CODE (EmpathyTpChat, empathy_tp_chat, TP_TYPE_TEXT_CHANNEL,
  90                          G_IMPLEMENT_INTERFACE (EMPATHY_TYPE_CONTACT_LIST,
  91                                                 tp_chat_iface_init));
  92
  93 static void
  94 tp_chat_set_delivery_status (EmpathyTpChat         *self,
  95                              const gchar           *token,
  96                              EmpathyDeliveryStatus  delivery_status)
  97 {
  98         TpDeliveryReportingSupportFlags flags =
  99                 tp_text_channel_get_delivery_reporting_support (
 100                         TP_TEXT_CHANNEL (self));
 101
 102         /* channel must support receiving failures and successes */
 103         if (!tp_str_empty (token) &&
 104             flags & TP_DELIVERY_REPORTING_SUPPORT_FLAG_RECEIVE_FAILURES &&
 105             flags & TP_DELIVERY_REPORTING_SUPPORT_FLAG_RECEIVE_SUCCESSES) {
 106
 107                 DEBUG ("Delivery status (%s) = %u", token, delivery_status);
 108
 109                 switch (delivery_status) {
 110                         case EMPATHY_DELIVERY_STATUS_NONE:
 111                                 g_hash_table_remove (self->priv->messages_being_sent,
 112                                         token);
 113                                 break;
 114
 115                         default:
 116                                 g_hash_table_insert (self->priv->messages_being_sent,
 117                                         g_strdup (token),
 118                                         GUINT_TO_POINTER (delivery_status));
 119                                 break;
 120                 }
 121
 122                 g_object_notify (G_OBJECT (self), "n-messages-sending");
 123         }
 124 }
 125
 126 static void tp_chat_prepare_ready_async (TpProxy *proxy,
 127         const TpProxyFeature *feature,
 128         GAsyncReadyCallback callback,
 129         gpointer user_data);
 130
 131 static void
 132 tp_chat_async_cb (TpChannel *proxy,
 133                   const GError *error,
 134                   gpointer user_data,
 135                   GObject *weak_object)
 136 {
 137         if (error) {
 138                 DEBUG ("Error %s: %s", (gchar *) user_data, error->message);
 139         }
 140 }
 141
 142 static void
 143 create_conference_cb (GObject *source,
 144                       GAsyncResult *result,
 145                       gpointer user_data)
 146 {
 147         GError *error = NULL;
 148
 149         if (!tp_account_channel_request_create_channel_finish (
 150                         TP_ACCOUNT_CHANNEL_REQUEST (source), result, &error)) {
 151                 DEBUG ("Failed to create conference channel: %s", error->message);
 152                 g_error_free (error);
 153         }
 154 }
 155
 156 static void
 157 tp_chat_add (EmpathyContactList *list,
 158              EmpathyContact     *contact,
 159              const gchar        *message)
 160 {
 161         EmpathyTpChat *self = (EmpathyTpChat *) list;
 162         TpChannel *channel = (TpChannel *) self;
 163
 164         if (tp_proxy_has_interface_by_id (self,
 165                 TP_IFACE_QUARK_CHANNEL_INTERFACE_GROUP)) {
 166                 TpHandle           handle;
 167                 GArray             handles = {(gchar *) &handle, 1};
 168
 169                 g_return_if_fail (EMPATHY_IS_TP_CHAT (list));
 170                 g_return_if_fail (EMPATHY_IS_CONTACT (contact));
 171
 172                 handle = empathy_contact_get_handle (contact);
 173                 tp_cli_channel_interface_group_call_add_members (channel,
 174                         -1, &handles, NULL, NULL, NULL, NULL, NULL);
 175         } else if (self->priv->can_upgrade_to_muc) {
 176                 TpAccountChannelRequest *req;
 177                 GHashTable        *props;
 178                 const char        *object_path;
 179                 GPtrArray          channels = { (gpointer *) &object_path, 1 };
 180                 const char        *invitees[2] = { NULL, };
 181
 182                 invitees[0] = empathy_contact_get_id (contact);
 183                 object_path = tp_proxy_get_object_path (self);
 184
 185                 props = tp_asv_new (
 186                     TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING,
 187                         TP_IFACE_CHANNEL_TYPE_TEXT,
 188                     TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, G_TYPE_UINT,
 189                         TP_HANDLE_TYPE_NONE,
 190                     TP_PROP_CHANNEL_INTERFACE_CONFERENCE_INITIAL_CHANNELS,
 191                         TP_ARRAY_TYPE_OBJECT_PATH_LIST, &channels,
 192                     TP_PROP_CHANNEL_INTERFACE_CONFERENCE_INITIAL_INVITEE_IDS,
 193                         G_TYPE_STRV, invitees,
 194                     /* FIXME: InvitationMessage ? */
 195                     NULL);
 196
 197                 req = tp_account_channel_request_new (self->priv->account, props,
 198                         TP_USER_ACTION_TIME_NOT_USER_ACTION);
 199
 200                 /* Although this is a MUC, it's anonymous, so CreateChannel is
 201                  * valid. */
 202                 tp_account_channel_request_create_channel_async (req, EMPATHY_CHAT_BUS_NAME,
 203                         NULL, create_conference_cb, NULL);
 204
 205                 g_object_unref (req);
 206                 g_hash_table_unref (props);
 207         } else {
 208                 g_warning ("Cannot add to this channel");
 209         }
 210 }
 211
 212 static void
 213 tp_chat_remove (EmpathyContactList *list,
 214                 EmpathyContact     *contact,
 215                 const gchar        *message)
 216 {
 217         EmpathyTpChat *self = (EmpathyTpChat *) list;
 218         TpHandle           handle;
 219         GArray             handles = {(gchar *) &handle, 1};
 220
 221         g_return_if_fail (EMPATHY_IS_TP_CHAT (list));
 222         g_return_if_fail (EMPATHY_IS_CONTACT (contact));
 223
 224         handle = empathy_contact_get_handle (contact);
 225         tp_cli_channel_interface_group_call_remove_members ((TpChannel *) self, -1,
 226                                                             &handles, NULL,
 227                                                             NULL, NULL, NULL,
 228                                                             NULL);
 229 }
 230
 231 static GList *
 232 tp_chat_get_members (EmpathyContactList *list)
 233 {
 234         EmpathyTpChat *self = (EmpathyTpChat *) list;
 235         GList             *members = NULL;
 236
 237         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (list), NULL);
 238
 239         if (self->priv->members) {
 240                 members = g_list_copy (self->priv->members);
 241                 g_list_foreach (members, (GFunc) g_object_ref, NULL);
 242         } else {
 243                 members = g_list_prepend (members, g_object_ref (self->priv->user));
 244                 if (self->priv->remote_contact != NULL)
 245                         members = g_list_prepend (members, g_object_ref (self->priv->remote_contact));
 246         }
 247
 248         return members;
 249 }
 250
 251 static void
 252 check_ready (EmpathyTpChat *self)
 253 {
 254         if (self->priv->ready_result == NULL)
 255                 return;
 256
 257         if (g_queue_get_length (self->priv->messages_queue) > 0)
 258                 return;
 259
 260         DEBUG ("Ready");
 261
 262         g_simple_async_result_complete (self->priv->ready_result);
 263         tp_clear_object (&self->priv->ready_result);
 264 }
 265
 266 static void
 267 tp_chat_emit_queued_messages (EmpathyTpChat *self)
 268 {
 269         EmpathyMessage    *message;
 270
 271         /* Check if we can now emit some queued messages */
 272         while ((message = g_queue_peek_head (self->priv->messages_queue)) != NULL) {
 273                 if (empathy_message_get_sender (message) == NULL) {
 274                         break;
 275                 }
 276
 277                 DEBUG ("Queued message ready");
 278                 g_queue_pop_head (self->priv->messages_queue);
 279                 g_queue_push_tail (self->priv->pending_messages_queue, message);
 280                 g_signal_emit (self, signals[MESSAGE_RECEIVED], 0, message);
 281         }
 282
 283         check_ready (self);
 284 }
 285
 286 static void
 287 tp_chat_got_sender_cb (TpConnection            *connection,
 288                        EmpathyContact          *contact,
 289                        const GError            *error,
 290                        gpointer                 message,
 291                        GObject                 *chat)
 292 {
 293         EmpathyTpChat *self = (EmpathyTpChat *) chat;
 294
 295         if (error) {
 296                 DEBUG ("Error: %s", error->message);
 297                 /* Do not block the message queue, just drop this message */
 298                 g_queue_remove (self->priv->messages_queue, message);
 299         } else {
 300                 empathy_message_set_sender (message, contact);
 301         }
 302
 303         tp_chat_emit_queued_messages (EMPATHY_TP_CHAT (self));
 304 }
 305
 306 static void
 307 tp_chat_build_message (EmpathyTpChat *self,
 308                        TpMessage     *msg,
 309                        gboolean       incoming)
 310 {
 311         EmpathyMessage    *message;
 312         TpContact *sender;
 313
 314         message = empathy_message_new_from_tp_message (msg, incoming);
 315         /* FIXME: this is actually a lie for incoming messages. */
 316         empathy_message_set_receiver (message, self->priv->user);
 317
 318         g_queue_push_tail (self->priv->messages_queue, message);
 319
 320         sender = tp_signalled_message_get_sender (msg);
 321         g_assert (sender != NULL);
 322
 323         if (tp_contact_get_handle (sender) == 0) {
 324                 empathy_message_set_sender (message, self->priv->user);
 325                 tp_chat_emit_queued_messages (self);
 326         } else {
 327                 TpConnection *connection = tp_channel_borrow_connection (
 328                         (TpChannel *) self);
 329
 330                 empathy_tp_contact_factory_get_from_handle (connection,
 331                         tp_contact_get_handle (sender),
 332                         tp_chat_got_sender_cb,
 333                         message, NULL, G_OBJECT (self));
 334         }
 335 }
 336
 337 static void
 338 handle_delivery_report (EmpathyTpChat *self,
 339                 TpMessage *message)
 340 {
 341         TpDeliveryStatus delivery_status;
 342         const GHashTable *header;
 343         TpChannelTextSendError delivery_error;
 344         gboolean valid;
 345         GPtrArray *echo;
 346         const gchar *message_body = NULL;
 347         const gchar *delivery_dbus_error;
 348         const gchar *delivery_token = NULL;
 349
 350         header = tp_message_peek (message, 0);
 351         if (header == NULL)
 352                 goto out;
 353
 354         delivery_token = tp_asv_get_string (header, "delivery-token");
 355         delivery_status = tp_asv_get_uint32 (header, "delivery-status", &valid);
 356
 357         if (!valid) {
 358                 goto out;
 359         } else if (delivery_status == TP_DELIVERY_STATUS_ACCEPTED) {
 360                 DEBUG ("Accepted %s", delivery_token);
 361                 tp_chat_set_delivery_status (self, delivery_token,
 362                         EMPATHY_DELIVERY_STATUS_ACCEPTED);
 363                 goto out;
 364         } else if (delivery_status == TP_DELIVERY_STATUS_DELIVERED) {
 365                 DEBUG ("Delivered %s", delivery_token);
 366                 tp_chat_set_delivery_status (self, delivery_token,
 367                         EMPATHY_DELIVERY_STATUS_NONE);
 368                 goto out;
 369         } else if (delivery_status != TP_DELIVERY_STATUS_PERMANENTLY_FAILED &&
 370                    delivery_status != TP_DELIVERY_STATUS_TEMPORARILY_FAILED) {
 371                 goto out;
 372         }
 373
 374         delivery_error = tp_asv_get_uint32 (header, "delivery-error", &valid);
 375         if (!valid)
 376                 delivery_error = TP_CHANNEL_TEXT_SEND_ERROR_UNKNOWN;
 377
 378         delivery_dbus_error = tp_asv_get_string (header, "delivery-dbus-error");
 379
 380         /* TODO: ideally we should use tp-glib API giving us the echoed message as a
 381          * TpMessage. (fdo #35884) */
 382         echo = tp_asv_get_boxed (header, "delivery-echo",
 383                 TP_ARRAY_TYPE_MESSAGE_PART_LIST);
 384         if (echo != NULL && echo->len >= 2) {
 385                 const GHashTable *echo_body;
 386
 387                 echo_body = g_ptr_array_index (echo, 1);
 388                 if (echo_body != NULL)
 389                         message_body = tp_asv_get_string (echo_body, "content");
 390         }
 391
 392         tp_chat_set_delivery_status (self, delivery_token,
 393                         EMPATHY_DELIVERY_STATUS_NONE);
 394         g_signal_emit (self, signals[SEND_ERROR], 0, message_body,
 395                         delivery_error, delivery_dbus_error);
 396
 397 out:
 398         tp_text_channel_ack_message_async (TP_TEXT_CHANNEL (self),
 399                 message, NULL, NULL);
 400 }
 401
 402 static void
 403 handle_incoming_message (EmpathyTpChat *self,
 404                          TpMessage *message,
 405                          gboolean pending)
 406 {
 407         gchar *message_body;
 408
 409         if (tp_message_is_delivery_report (message)) {
 410                 handle_delivery_report (self, message);
 411                 return;
 412         }
 413
 414         message_body = tp_message_to_text (message, NULL);
 415
 416         DEBUG ("Message %s (channel %s): %s",
 417                 pending ? "pending" : "received",
 418                 tp_proxy_get_object_path (self), message_body);
 419
 420         if (message_body == NULL) {
 421                 DEBUG ("Empty message with NonTextContent, ignoring and acking.");
 422
 423                 tp_text_channel_ack_message_async (TP_TEXT_CHANNEL (self),
 424                         message, NULL, NULL);
 425                 return;
 426         }
 427
 428         tp_chat_build_message (self, message, TRUE);
 429
 430         g_free (message_body);
 431 }
 432
 433 static void
 434 message_received_cb (TpTextChannel   *channel,
 435                      TpMessage *message,
 436                      EmpathyTpChat *self)
 437 {
 438         handle_incoming_message (self, message, FALSE);
 439 }
 440
 441 static gboolean
 442 find_pending_message_func (gconstpointer a,
 443                            gconstpointer b)
 444 {
 445         EmpathyMessage *msg = (EmpathyMessage *) a;
 446         TpMessage *message = (TpMessage *) b;
 447
 448         if (empathy_message_get_tp_message (msg) == message)
 449                 return 0;
 450
 451         return -1;
 452 }
 453
 454 static void
 455 pending_message_removed_cb (TpTextChannel   *channel,
 456                             TpMessage *message,
 457                             EmpathyTpChat *self)
 458 {
 459         GList *m;
 460
 461         m = g_queue_find_custom (self->priv->pending_messages_queue, message,
 462                                  find_pending_message_func);
 463
 464         if (m == NULL)
 465                 return;
 466
 467         g_signal_emit (self, signals[MESSAGE_ACKNOWLEDGED], 0, m->data);
 468
 469         g_object_unref (m->data);
 470         g_queue_delete_link (self->priv->pending_messages_queue, m);
 471 }
 472
 473 static void
 474 message_sent_cb (TpTextChannel   *channel,
 475                  TpMessage *message,
 476                  TpMessageSendingFlags flags,
 477                  gchar              *token,
 478                  EmpathyTpChat      *self)
 479 {
 480         gchar *message_body;
 481
 482         message_body = tp_message_to_text (message, NULL);
 483
 484         DEBUG ("Message sent: %s", message_body);
 485
 486         tp_chat_build_message (self, message, FALSE);
 487
 488         g_free (message_body);
 489 }
 490
 491 static TpChannelTextSendError
 492 error_to_text_send_error (GError *error)
 493 {
 494         if (error->domain != TP_ERRORS)
 495                 return TP_CHANNEL_TEXT_SEND_ERROR_UNKNOWN;
 496
 497         switch (error->code) {
 498                 case TP_ERROR_OFFLINE:
 499                         return TP_CHANNEL_TEXT_SEND_ERROR_OFFLINE;
 500                 case TP_ERROR_INVALID_HANDLE:
 501                         return TP_CHANNEL_TEXT_SEND_ERROR_INVALID_CONTACT;
 502                 case TP_ERROR_PERMISSION_DENIED:
 503                         return TP_CHANNEL_TEXT_SEND_ERROR_PERMISSION_DENIED;
 504                 case TP_ERROR_NOT_IMPLEMENTED:
 505                         return TP_CHANNEL_TEXT_SEND_ERROR_NOT_IMPLEMENTED;
 506         }
 507
 508         return TP_CHANNEL_TEXT_SEND_ERROR_UNKNOWN;
 509 }
 510
 511 static void
 512 message_send_cb (GObject *source,
 513                  GAsyncResult *result,
 514                  gpointer      user_data)
 515 {
 516         EmpathyTpChat *self = user_data;
 517         TpTextChannel *channel = (TpTextChannel *) source;
 518         gchar *token = NULL;
 519         GError *error = NULL;
 520
 521         if (!tp_text_channel_send_message_finish (channel, result, &token, &error)) {
 522                 DEBUG ("Error: %s", error->message);
 523
 524                 /* FIXME: we should use the body of the message as first argument of the
 525                  * signal but can't easily get it as we just get a user_data pointer. Once
 526                  * we'll have rebased EmpathyTpChat on top of TpTextChannel we'll be able
 527                  * to use the user_data pointer to pass the message and fix this. */
 528                 g_signal_emit (self, signals[SEND_ERROR], 0,
 529                                NULL, error_to_text_send_error (error), NULL);
 530
 531                 g_error_free (error);
 532         }
 533
 534         tp_chat_set_delivery_status (self, token,
 535                 EMPATHY_DELIVERY_STATUS_SENDING);
 536         g_free (token);
 537 }
 538
 539 typedef struct {
 540         EmpathyTpChat *chat;
 541         TpChannelChatState state;
 542 } StateChangedData;
 543
 544 static void
 545 tp_chat_state_changed_got_contact_cb (TpConnection            *connection,
 546                                       EmpathyContact          *contact,
 547                                       const GError            *error,
 548                                       gpointer                 user_data,
 549                                       GObject                 *chat)
 550 {
 551         TpChannelChatState state;
 552
 553         if (error) {
 554                 DEBUG ("Error: %s", error->message);
 555                 return;
 556         }
 557
 558         state = GPOINTER_TO_UINT (user_data);
 559         DEBUG ("Chat state changed for %s (%d): %d",
 560                 empathy_contact_get_alias (contact),
 561                 empathy_contact_get_handle (contact), state);
 562
 563         g_signal_emit (chat, signals[CHAT_STATE_CHANGED], 0, contact, state);
 564 }
 565
 566 static void
 567 tp_chat_state_changed_cb (TpChannel *channel,
 568                           TpHandle   handle,
 569                           TpChannelChatState state,
 570                           EmpathyTpChat *self)
 571 {
 572         TpConnection *connection = tp_channel_borrow_connection (
 573                 (TpChannel *) self);
 574
 575         empathy_tp_contact_factory_get_from_handle (connection, handle,
 576                 tp_chat_state_changed_got_contact_cb, GUINT_TO_POINTER (state),
 577                 NULL, G_OBJECT (self));
 578 }
 579
 580 static void
 581 list_pending_messages (EmpathyTpChat *self)
 582 {
 583         GList *messages, *l;
 584
 585         messages = tp_text_channel_get_pending_messages (
 586                 TP_TEXT_CHANNEL (self));
 587
 588         for (l = messages; l != NULL; l = g_list_next (l)) {
 589                 TpMessage *message = l->data;
 590
 591                 handle_incoming_message (self, message, FALSE);
 592         }
 593
 594         g_list_free (messages);
 595 }
 596
 597 static void
 598 update_subject (EmpathyTpChat *self,
 599                 GHashTable *properties)
 600 {
 601         EmpathyTpChatPrivate *priv = self->priv;
 602         gboolean can_set, valid;
 603         const gchar *subject;
 604
 605         can_set = tp_asv_get_boolean (properties, "CanSet", &valid);
 606         if (valid) {
 607                 priv->can_set_subject = can_set;
 608         }
 609
 610         subject = tp_asv_get_string (properties, "Subject");
 611         if (subject != NULL) {
 612                 g_free (priv->subject);
 613                 priv->subject = g_strdup (subject);
 614                 g_object_notify (G_OBJECT (self), "subject");
 615         }
 616
 617         /* TODO: track Actor and Timestamp. */
 618 }
 619
 620 static void
 621 tp_chat_get_all_subject_cb (TpProxy      *proxy,
 622                             GHashTable   *properties,
 623                             const GError *error,
 624                             gpointer      user_data G_GNUC_UNUSED,
 625                             GObject      *chat)
 626 {
 627         EmpathyTpChat *self = EMPATHY_TP_CHAT (chat);
 628         EmpathyTpChatPrivate *priv = self->priv;
 629
 630         if (error) {
 631                 DEBUG ("Error fetching subject: %s", error->message);
 632                 return;
 633         }
 634
 635         priv->supports_subject = TRUE;
 636         update_subject (self, properties);
 637 }
 638
 639 static void
 640 update_title (EmpathyTpChat *self,
 641               GHashTable *properties)
 642 {
 643         EmpathyTpChatPrivate *priv = self->priv;
 644         const gchar *title = tp_asv_get_string (properties, "Title");
 645
 646         if (title != NULL) {
 647                 if (tp_str_empty (title)) {
 648                         title = NULL;
 649                 }
 650
 651                 g_free (priv->title);
 652                 priv->title = g_strdup (title);
 653                 g_object_notify (G_OBJECT (self), "title");
 654         }
 655 }
 656
 657 static void
 658 tp_chat_get_all_room_config_cb (TpProxy      *proxy,
 659                                 GHashTable   *properties,
 660                                 const GError *error,
 661                                 gpointer      user_data G_GNUC_UNUSED,
 662                                 GObject      *chat)
 663 {
 664         EmpathyTpChat *self = EMPATHY_TP_CHAT (chat);
 665
 666         if (error) {
 667                 DEBUG ("Error fetching room config: %s", error->message);
 668                 return;
 669         }
 670
 671         update_title (self, properties);
 672 }
 673
 674 static void
 675 tp_chat_dbus_properties_changed_cb (TpProxy *proxy,
 676                                     const gchar *interface_name,
 677                                     GHashTable *changed,
 678                                     const gchar **invalidated,
 679                                     gpointer user_data,
 680                                     GObject *chat)
 681 {
 682         EmpathyTpChat *self = EMPATHY_TP_CHAT (chat);
 683
 684         if (!tp_strdiff (interface_name, TP_IFACE_CHANNEL_INTERFACE_SUBJECT)) {
 685                 update_subject (self, changed);
 686         }
 687
 688         if (!tp_strdiff (interface_name, TP_IFACE_CHANNEL_INTERFACE_ROOM_CONFIG)) {
 689                 update_title (self, changed);
 690         }
 691 }
 692
 693 void
 694 empathy_tp_chat_set_subject (EmpathyTpChat *self,
 695                              const gchar   *subject)
 696 {
 697         tp_cli_channel_interface_subject_call_set_subject (TP_CHANNEL (self), -1,
 698                                                            subject,
 699                                                            tp_chat_async_cb,
 700                                                            "while setting subject", NULL,
 701                                                            G_OBJECT (self));
 702 }
 703
 704 const gchar *
 705 empathy_tp_chat_get_title (EmpathyTpChat *self)
 706 {
 707         EmpathyTpChatPrivate *priv = self->priv;
 708
 709         return priv->title;
 710 }
 711
 712 gboolean
 713 empathy_tp_chat_supports_subject (EmpathyTpChat *self)
 714 {
 715         EmpathyTpChatPrivate *priv = self->priv;
 716
 717         return priv->supports_subject;
 718 }
 719
 720 gboolean
 721 empathy_tp_chat_can_set_subject (EmpathyTpChat *self)
 722 {
 723         EmpathyTpChatPrivate *priv = self->priv;
 724
 725         return priv->can_set_subject;
 726 }
 727
 728 const gchar *
 729 empathy_tp_chat_get_subject (EmpathyTpChat *self)
 730 {
 731         EmpathyTpChatPrivate *priv = self->priv;
 732
 733         return priv->subject;
 734 }
 735
 736 static void
 737 tp_chat_dispose (GObject *object)
 738 {
 739         EmpathyTpChat *self = EMPATHY_TP_CHAT (object);
 740
 741         tp_clear_object (&self->priv->account);
 742         tp_clear_object (&self->priv->remote_contact);
 743         tp_clear_object (&self->priv->user);
 744
 745         g_queue_foreach (self->priv->messages_queue, (GFunc) g_object_unref, NULL);
 746         g_queue_clear (self->priv->messages_queue);
 747
 748         g_queue_foreach (self->priv->pending_messages_queue,
 749                 (GFunc) g_object_unref, NULL);
 750         g_queue_clear (self->priv->pending_messages_queue);
 751
 752         tp_clear_object (&self->priv->ready_result);
 753
 754         if (G_OBJECT_CLASS (empathy_tp_chat_parent_class)->dispose)
 755                 G_OBJECT_CLASS (empathy_tp_chat_parent_class)->dispose (object);
 756 }
 757
 758 static void
 759 tp_chat_finalize (GObject *object)
 760 {
 761         EmpathyTpChat *self = (EmpathyTpChat *) object;
 762
 763         DEBUG ("Finalize: %p", object);
 764
 765         g_queue_free (self->priv->messages_queue);
 766         g_queue_free (self->priv->pending_messages_queue);
 767         g_hash_table_unref (self->priv->messages_being_sent);
 768
 769         g_free (self->priv->title);
 770         g_free (self->priv->subject);
 771
 772         G_OBJECT_CLASS (empathy_tp_chat_parent_class)->finalize (object);
 773 }
 774
 775 static void
 776 check_almost_ready (EmpathyTpChat *self)
 777 {
 778         TpChannel *channel = (TpChannel *) self;
 779
 780         if (self->priv->ready_result == NULL)
 781                 return;
 782
 783         if (self->priv->user == NULL)
 784                 return;
 785
 786         /* We need either the members (room) or the remote contact (private chat).
 787          * If the chat is protected by a password we can't get these information so
 788          * consider the chat as ready so it can be presented to the user. */
 789         if (!tp_channel_password_needed (channel) && self->priv->members == NULL &&
 790             self->priv->remote_contact == NULL)
 791                 return;
 792
 793         g_assert (tp_proxy_is_prepared (self,
 794                 TP_TEXT_CHANNEL_FEATURE_INCOMING_MESSAGES));
 795
 796         tp_g_signal_connect_object (self, "message-received",
 797                 G_CALLBACK (message_received_cb), self, 0);
 798         tp_g_signal_connect_object (self, "pending-message-removed",
 799                 G_CALLBACK (pending_message_removed_cb), self, 0);
 800
 801         list_pending_messages (self);
 802
 803         tp_g_signal_connect_object (self, "message-sent",
 804                 G_CALLBACK (message_sent_cb), self, 0);
 805
 806         tp_g_signal_connect_object (self, "chat-state-changed",
 807                 G_CALLBACK (tp_chat_state_changed_cb), self, 0);
 808
 809         check_ready (self);
 810 }
 811
 812 static void
 813 tp_chat_got_added_contacts_cb (TpConnection            *connection,
 814                                guint                    n_contacts,
 815                                EmpathyContact * const * contacts,
 816                                guint                    n_failed,
 817                                const TpHandle          *failed,
 818                                const GError            *error,
 819                                gpointer                 user_data,
 820                                GObject                 *chat)
 821 {
 822         EmpathyTpChat *self = (EmpathyTpChat *) chat;
 823         guint i;
 824         const TpIntSet *members;
 825         TpHandle handle;
 826         EmpathyContact *contact;
 827
 828         if (error) {
 829                 DEBUG ("Error: %s", error->message);
 830                 return;
 831         }
 832
 833         members = tp_channel_group_get_members ((TpChannel *) self);
 834         for (i = 0; i < n_contacts; i++) {
 835                 contact = contacts[i];
 836                 handle = empathy_contact_get_handle (contact);
 837
 838                 /* Make sure the contact is still member */
 839                 if (tp_intset_is_member (members, handle)) {
 840                         self->priv->members = g_list_prepend (self->priv->members,
 841                                 g_object_ref (contact));
 842                         g_signal_emit_by_name (chat, "members-changed",
 843                                                contact, NULL, 0, NULL, TRUE);
 844                 }
 845         }
 846
 847         check_almost_ready (EMPATHY_TP_CHAT (chat));
 848 }
 849
 850 static EmpathyContact *
 851 chat_lookup_contact (EmpathyTpChat *self,
 852                      TpHandle       handle,
 853                      gboolean       remove_)
 854 {
 855         GList *l;
 856
 857         for (l = self->priv->members; l; l = l->next) {
 858                 EmpathyContact *c = l->data;
 859
 860                 if (empathy_contact_get_handle (c) != handle) {
 861                         continue;
 862                 }
 863
 864                 if (remove_) {
 865                         /* Caller takes the reference. */
 866                         self->priv->members = g_list_delete_link (self->priv->members, l);
 867                 } else {
 868                         g_object_ref (c);
 869                 }
 870
 871                 return c;
 872         }
 873
 874         return NULL;
 875 }
 876
 877 typedef struct
 878 {
 879     TpHandle old_handle;
 880     guint reason;
 881     gchar *message;
 882 } ContactRenameData;
 883
 884 static ContactRenameData *
 885 contact_rename_data_new (TpHandle handle,
 886                          guint reason,
 887                          const gchar* message)
 888 {
 889         ContactRenameData *data = g_new (ContactRenameData, 1);
 890         data->old_handle = handle;
 891         data->reason = reason;
 892         data->message = g_strdup (message);
 893
 894         return data;
 895 }
 896
 897 static void
 898 contact_rename_data_free (ContactRenameData* data)
 899 {
 900         g_free (data->message);
 901         g_free (data);
 902 }
 903
 904 static void
 905 tp_chat_got_renamed_contacts_cb (TpConnection            *connection,
 906                                  guint                    n_contacts,
 907                                  EmpathyContact * const * contacts,
 908                                  guint                    n_failed,
 909                                  const TpHandle          *failed,
 910                                  const GError            *error,
 911                                  gpointer                 user_data,
 912                                  GObject                 *chat)
 913 {
 914         EmpathyTpChat *self = (EmpathyTpChat *) chat;
 915         const TpIntSet *members;
 916         TpHandle handle;
 917         EmpathyContact *old = NULL, *new = NULL;
 918         ContactRenameData *rename_data = (ContactRenameData *) user_data;
 919
 920         if (error) {
 921                 DEBUG ("Error: %s", error->message);
 922                 return;
 923         }
 924
 925         /* renamed members can only be delivered one at a time */
 926         g_warn_if_fail (n_contacts == 1);
 927
 928         new = contacts[0];
 929
 930         members = tp_channel_group_get_members ((TpChannel *) self);
 931         handle = empathy_contact_get_handle (new);
 932
 933         old = chat_lookup_contact (self, rename_data->old_handle, TRUE);
 934
 935         /* Make sure the contact is still member */
 936         if (tp_intset_is_member (members, handle)) {
 937                 self->priv->members = g_list_prepend (self->priv->members,
 938                         g_object_ref (new));
 939
 940                 if (old != NULL) {
 941                         g_signal_emit_by_name (self, "member-renamed",
 942                                                old, new, rename_data->reason,
 943                                                rename_data->message);
 944                         g_object_unref (old);
 945                 }
 946         }
 947
 948         if (self->priv->user == old) {
 949                 /* We change our nick */
 950                 tp_clear_object (&self->priv->user);
 951                 self->priv->user = g_object_ref (new);
 952                 g_object_notify (chat, "self-contact");
 953         }
 954
 955         check_almost_ready (self);
 956 }
 957
 958
 959 static void
 960 tp_chat_group_members_changed_cb (TpChannel     *channel,
 961                                   gchar         *message,
 962                                   GArray        *added,
 963                                   GArray        *removed,
 964                                   GArray        *local_pending,
 965                                   GArray        *remote_pending,
 966                                   guint          actor,
 967                                   guint          reason,
 968                                   EmpathyTpChat *self)
 969 {
 970         EmpathyContact *contact;
 971         EmpathyContact *actor_contact = NULL;
 972         guint i;
 973         ContactRenameData *rename_data;
 974         TpHandle old_handle;
 975         TpConnection *connection = tp_channel_borrow_connection (
 976                 (TpChannel *) self);
 977
 978         /* Contact renamed */
 979         if (reason == TP_CHANNEL_GROUP_CHANGE_REASON_RENAMED) {
 980                 /* there can only be a single 'added' and a single 'removed' handle */
 981                 if (removed->len != 1 || added->len != 1) {
 982                         g_warning ("RENAMED with %u added, %u removed (expected 1, 1)",
 983                                 added->len, removed->len);
 984                         return;
 985                 }
 986
 987                 old_handle = g_array_index (removed, guint, 0);
 988
 989                 rename_data = contact_rename_data_new (old_handle, reason, message);
 990                 empathy_tp_contact_factory_get_from_handles (connection,
 991                         added->len, (TpHandle *) added->data,
 992                         tp_chat_got_renamed_contacts_cb,
 993                         rename_data, (GDestroyNotify) contact_rename_data_free,
 994                         G_OBJECT (self));
 995                 return;
 996         }
 997
 998         if (actor != 0) {
 999                 actor_contact = chat_lookup_contact (self, actor, FALSE);
1000                 if (actor_contact == NULL) {
1001                         /* FIXME: handle this a tad more gracefully: perhaps
1002                          * the actor was a server op. We could use the
1003                          * contact-ids detail of MembersChangedDetailed.
1004                          */
1005                         DEBUG ("actor %u not a channel member", actor);
1006                 }
1007         }
1008
1009         /* Remove contacts that are not members anymore */
1010         for (i = 0; i < removed->len; i++) {
1011                 contact = chat_lookup_contact (self,
1012                         g_array_index (removed, TpHandle, i), TRUE);
1013
1014                 if (contact != NULL) {
1015                         g_signal_emit_by_name (self, "members-changed", contact,
1016                                                actor_contact, reason, message,
1017                                                FALSE);
1018                         g_object_unref (contact);
1019                 }
1020         }
1021
1022         /* Request added contacts */
1023         if (added->len > 0) {
1024                 empathy_tp_contact_factory_get_from_handles (connection,
1025                         added->len, (TpHandle *) added->data,
1026                         tp_chat_got_added_contacts_cb, NULL, NULL,
1027                         G_OBJECT (self));
1028         }
1029
1030         if (actor_contact != NULL) {
1031                 g_object_unref (actor_contact);
1032         }
1033 }
1034
1035 static void
1036 tp_chat_got_remote_contact_cb (TpConnection            *connection,
1037                                EmpathyContact          *contact,
1038                                const GError            *error,
1039                                gpointer                 user_data,
1040                                GObject                 *chat)
1041 {
1042         EmpathyTpChat *self = (EmpathyTpChat *) chat;
1043
1044         if (error) {
1045                 DEBUG ("Error: %s", error->message);
1046                 empathy_tp_chat_leave (self, "");
1047                 return;
1048         }
1049
1050         self->priv->remote_contact = g_object_ref (contact);
1051         g_object_notify (chat, "remote-contact");
1052
1053         check_almost_ready (self);
1054 }
1055
1056 static void
1057 tp_chat_got_self_contact_cb (TpConnection            *connection,
1058                              EmpathyContact          *contact,
1059                              const GError            *error,
1060                              gpointer                 user_data,
1061                              GObject                 *chat)
1062 {
1063         EmpathyTpChat *self = (EmpathyTpChat *) chat;
1064
1065         if (error) {
1066                 DEBUG ("Error: %s", error->message);
1067                 empathy_tp_chat_leave (self, "");
1068                 return;
1069         }
1070
1071         self->priv->user = g_object_ref (contact);
1072         empathy_contact_set_is_user (self->priv->user, TRUE);
1073         g_object_notify (chat, "self-contact");
1074         check_almost_ready (self);
1075 }
1076
1077 static void
1078 tp_chat_get_property (GObject    *object,
1079                       guint       param_id,
1080                       GValue     *value,
1081                       GParamSpec *pspec)
1082 {
1083         EmpathyTpChat *self = EMPATHY_TP_CHAT (object);
1084
1085         switch (param_id) {
1086         case PROP_ACCOUNT:
1087                 g_value_set_object (value, self->priv->account);
1088                 break;
1089         case PROP_SELF_CONTACT:
1090                 g_value_set_object (value, self->priv->user);
1091                 break;
1092         case PROP_REMOTE_CONTACT:
1093                 g_value_set_object (value, self->priv->remote_contact);
1094                 break;
1095         case PROP_N_MESSAGES_SENDING:
1096                 g_value_set_uint (value,
1097                         g_hash_table_size (self->priv->messages_being_sent));
1098                 break;
1099         case PROP_TITLE:
1100                 g_value_set_string (value,
1101                         empathy_tp_chat_get_title (self));
1102                 break;
1103         case PROP_SUBJECT:
1104                 g_value_set_string (value,
1105                         empathy_tp_chat_get_subject (self));
1106                 break;
1107         default:
1108                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
1109                 break;
1110         };
1111 }
1112
1113 static void
1114 tp_chat_set_property (GObject      *object,
1115                       guint         param_id,
1116                       const GValue *value,
1117                       GParamSpec   *pspec)
1118 {
1119         EmpathyTpChat *self = EMPATHY_TP_CHAT (object);
1120
1121         switch (param_id) {
1122         case PROP_ACCOUNT:
1123                 self->priv->account = g_value_dup_object (value);
1124                 break;
1125         default:
1126                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
1127                 break;
1128         };
1129 }
1130
1131 enum {
1132         FEAT_READY,
1133         N_FEAT
1134 };
1135
1136 static const TpProxyFeature *
1137 tp_chat_list_features (TpProxyClass *cls G_GNUC_UNUSED)
1138 {
1139         static TpProxyFeature features[N_FEAT + 1] = { { 0 } };
1140   static GQuark need[2] = {0, 0};
1141
1142         if (G_LIKELY (features[0].name != 0))
1143                 return features;
1144
1145         features[FEAT_READY].name = EMPATHY_TP_CHAT_FEATURE_READY;
1146         need[0] = TP_TEXT_CHANNEL_FEATURE_INCOMING_MESSAGES;
1147         features[FEAT_READY].depends_on = need;
1148         features[FEAT_READY].prepare_async =
1149                 tp_chat_prepare_ready_async;
1150
1151         /* assert that the terminator at the end is there */
1152         g_assert (features[N_FEAT].name == 0);
1153
1154         return features;
1155 }
1156
1157 static void
1158 empathy_tp_chat_class_init (EmpathyTpChatClass *klass)
1159 {
1160         GObjectClass *object_class = G_OBJECT_CLASS (klass);
1161         TpProxyClass *proxy_class = TP_PROXY_CLASS (klass);
1162
1163         object_class->dispose = tp_chat_dispose;
1164         object_class->finalize = tp_chat_finalize;
1165         object_class->get_property = tp_chat_get_property;
1166         object_class->set_property = tp_chat_set_property;
1167
1168         proxy_class->list_features = tp_chat_list_features;
1169
1170         g_object_class_install_property (object_class,
1171                                          PROP_ACCOUNT,
1172                                          g_param_spec_object ("account",
1173                                                               "TpAccount",
1174                                                               "the account associated with the chat",
1175                                                               TP_TYPE_ACCOUNT,
1176                                                               G_PARAM_READWRITE |
1177                                                               G_PARAM_CONSTRUCT_ONLY |
1178                                                               G_PARAM_STATIC_STRINGS));
1179
1180         /**
1181          * EmpathyTpChat:self-contact:
1182          *
1183          * Not to be confused with TpChannel:group-self-contact.
1184          */
1185         g_object_class_install_property (object_class,
1186                                          PROP_SELF_CONTACT,
1187                                          g_param_spec_object ("self-contact",
1188                                                               "The local contact",
1189                                                               "The EmpathyContact for the local user on this channel",
1190                                                               EMPATHY_TYPE_CONTACT,
1191                                                               G_PARAM_READABLE));
1192
1193         g_object_class_install_property (object_class,
1194                                          PROP_REMOTE_CONTACT,
1195                                          g_param_spec_object ("remote-contact",
1196                                                               "The remote contact",
1197                                                               "The remote contact if there is no group iface on the channel",
1198                                                               EMPATHY_TYPE_CONTACT,
1199                                                               G_PARAM_READABLE));
1200
1201         g_object_class_install_property (object_class,
1202                                          PROP_N_MESSAGES_SENDING,
1203                                          g_param_spec_uint ("n-messages-sending",
1204                                                             "Num Messages Sending",
1205                                                             "The number of messages being sent",
1206                                                             0, G_MAXUINT, 0,
1207                                                             G_PARAM_READABLE));
1208
1209         g_object_class_install_property (object_class,
1210                                          PROP_TITLE,
1211                                          g_param_spec_string ("title",
1212                                                               "Title",
1213                                                               "A human-readable name for the room, if any",
1214                                                               NULL,
1215                                                               G_PARAM_READABLE |
1216                                                               G_PARAM_STATIC_STRINGS));
1217
1218         g_object_class_install_property (object_class,
1219                                          PROP_SUBJECT,
1220                                          g_param_spec_string ("subject",
1221                                                               "Subject",
1222                                                               "The room's current subject, if any",
1223                                                               NULL,
1224                                                               G_PARAM_READABLE |
1225                                                               G_PARAM_STATIC_STRINGS));
1226
1227         /* Signals */
1228         signals[MESSAGE_RECEIVED] =
1229                 g_signal_new ("message-received-empathy",
1230                               G_TYPE_FROM_CLASS (klass),
1231                               G_SIGNAL_RUN_LAST,
1232                               0,
1233                               NULL, NULL,
1234                               g_cclosure_marshal_generic,
1235                               G_TYPE_NONE,
1236                               1, EMPATHY_TYPE_MESSAGE);
1237
1238         signals[SEND_ERROR] =
1239                 g_signal_new ("send-error",
1240                               G_TYPE_FROM_CLASS (klass),
1241                               G_SIGNAL_RUN_LAST,
1242                               0,
1243                               NULL, NULL,
1244                               g_cclosure_marshal_generic,
1245                               G_TYPE_NONE,
1246                               3, G_TYPE_STRING, G_TYPE_UINT, G_TYPE_STRING);
1247
1248         signals[CHAT_STATE_CHANGED] =
1249                 g_signal_new ("chat-state-changed-empathy",
1250                               G_TYPE_FROM_CLASS (klass),
1251                               G_SIGNAL_RUN_LAST,
1252                               0,
1253                               NULL, NULL,
1254                               g_cclosure_marshal_generic,
1255                               G_TYPE_NONE,
1256                               2, EMPATHY_TYPE_CONTACT, G_TYPE_UINT);
1257
1258         signals[MESSAGE_ACKNOWLEDGED] =
1259                 g_signal_new ("message-acknowledged",
1260                               G_TYPE_FROM_CLASS (klass),
1261                               G_SIGNAL_RUN_LAST,
1262                               0,
1263                               NULL, NULL,
1264                               g_cclosure_marshal_generic,
1265                               G_TYPE_NONE,
1266                               1, EMPATHY_TYPE_MESSAGE);
1267
1268         g_type_class_add_private (object_class, sizeof (EmpathyTpChatPrivate));
1269 }
1270
1271 static void
1272 empathy_tp_chat_init (EmpathyTpChat *self)
1273 {
1274         self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
1275                 EMPATHY_TYPE_TP_CHAT, EmpathyTpChatPrivate);
1276
1277         self->priv->messages_queue = g_queue_new ();
1278         self->priv->pending_messages_queue = g_queue_new ();
1279         self->priv->messages_being_sent = g_hash_table_new_full (
1280                 g_str_hash, g_str_equal, g_free, NULL);
1281 }
1282
1283 static void
1284 tp_chat_iface_init (EmpathyContactListIface *iface)
1285 {
1286         iface->add         = tp_chat_add;
1287         iface->remove      = tp_chat_remove;
1288         iface->get_members = tp_chat_get_members;
1289 }
1290
1291 EmpathyTpChat *
1292 empathy_tp_chat_new (
1293                      TpSimpleClientFactory *factory,
1294                      TpAccount *account,
1295                      TpConnection *conn,
1296                      const gchar *object_path,
1297                      const GHashTable *immutable_properties)
1298 {
1299         TpProxy *conn_proxy = (TpProxy *) conn;
1300
1301         g_return_val_if_fail (TP_IS_ACCOUNT (account), NULL);
1302         g_return_val_if_fail (TP_IS_CONNECTION (conn), NULL);
1303         g_return_val_if_fail (immutable_properties != NULL, NULL);
1304
1305         return g_object_new (EMPATHY_TYPE_TP_CHAT,
1306                              "factory", factory,
1307                              "account", account,
1308                              "connection", conn,
1309                              "dbus-daemon", conn_proxy->dbus_daemon,
1310                              "bus-name", conn_proxy->bus_name,
1311                              "object-path", object_path,
1312                              "channel-properties", immutable_properties,
1313                              NULL);
1314 }
1315
1316 const gchar *
1317 empathy_tp_chat_get_id (EmpathyTpChat *self)
1318 {
1319         const gchar *id;
1320
1321         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (self), NULL);
1322
1323         id = tp_channel_get_identifier ((TpChannel *) self);
1324         if (!EMP_STR_EMPTY (id))
1325                 return id;
1326         else if (self->priv->remote_contact)
1327                 return empathy_contact_get_id (self->priv->remote_contact);
1328         else
1329                 return NULL;
1330
1331 }
1332
1333 EmpathyContact *
1334 empathy_tp_chat_get_remote_contact (EmpathyTpChat *self)
1335 {
1336         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (self), NULL);
1337
1338         return self->priv->remote_contact;
1339 }
1340
1341 TpAccount *
1342 empathy_tp_chat_get_account (EmpathyTpChat *self)
1343 {
1344         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (self), NULL);
1345
1346         return self->priv->account;
1347 }
1348
1349 void
1350 empathy_tp_chat_send (EmpathyTpChat *self,
1351                       TpMessage *message)
1352 {
1353         gchar *message_body;
1354
1355         g_return_if_fail (EMPATHY_IS_TP_CHAT (self));
1356         g_return_if_fail (TP_IS_CLIENT_MESSAGE (message));
1357
1358         message_body = tp_message_to_text (message, NULL);
1359
1360         DEBUG ("Sending message: %s", message_body);
1361
1362         tp_text_channel_send_message_async (TP_TEXT_CHANNEL (self),
1363                 message, TP_MESSAGE_SENDING_FLAG_REPORT_DELIVERY,
1364                 message_send_cb, self);
1365
1366         g_free (message_body);
1367 }
1368
1369 const GList *
1370 empathy_tp_chat_get_pending_messages (EmpathyTpChat *self)
1371 {
1372         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (self), NULL);
1373
1374         return self->priv->pending_messages_queue->head;
1375 }
1376
1377 void
1378 empathy_tp_chat_acknowledge_message (EmpathyTpChat *self,
1379                                      EmpathyMessage *message) {
1380         TpMessage *tp_msg;
1381
1382         g_return_if_fail (EMPATHY_IS_TP_CHAT (self));
1383
1384         if (!empathy_message_is_incoming (message))
1385                 return;
1386
1387         tp_msg = empathy_message_get_tp_message (message);
1388         tp_text_channel_ack_message_async (TP_TEXT_CHANNEL (self),
1389                                            tp_msg, NULL, NULL);
1390 }
1391
1392 /**
1393  * empathy_tp_chat_can_add_contact:
1394  *
1395  * Returns: %TRUE if empathy_contact_list_add() will work for this channel.
1396  * That is if this chat is a 1-to-1 channel that can be upgraded to
1397  * a MUC using the Conference interface or if the channel is a MUC.
1398  */
1399 gboolean
1400 empathy_tp_chat_can_add_contact (EmpathyTpChat *self)
1401 {
1402         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (self), FALSE);
1403
1404         return self->priv->can_upgrade_to_muc ||
1405                 tp_proxy_has_interface_by_id (self,
1406                         TP_IFACE_QUARK_CHANNEL_INTERFACE_GROUP);;
1407 }
1408
1409 static void
1410 tp_channel_leave_async_cb (GObject *source_object,
1411         GAsyncResult *res,
1412         gpointer user_data)
1413 {
1414         GError *error = NULL;
1415
1416         if (!tp_channel_leave_finish (TP_CHANNEL (source_object), res, &error)) {
1417                 DEBUG ("Could not leave channel properly: (%s); closing the channel",
1418                         error->message);
1419                 g_error_free (error);
1420         }
1421 }
1422
1423 void
1424 empathy_tp_chat_leave (EmpathyTpChat *self,
1425                 const gchar *message)
1426 {
1427         TpChannel *channel = (TpChannel *) self;
1428
1429         DEBUG ("Leaving channel %s with message \"%s\"",
1430                 tp_channel_get_identifier (channel), message);
1431
1432         tp_channel_leave_async (channel, TP_CHANNEL_GROUP_CHANGE_REASON_NONE,
1433                 message, tp_channel_leave_async_cb, self);
1434 }
1435
1436 static void
1437 add_members_cb (TpChannel *proxy,
1438                 const GError *error,
1439                 gpointer user_data,
1440                 GObject *weak_object)
1441 {
1442         EmpathyTpChat *self = (EmpathyTpChat *) weak_object;
1443
1444         if (error != NULL) {
1445                 DEBUG ("Failed to join chat (%s): %s",
1446                         tp_channel_get_identifier ((TpChannel *) self), error->message);
1447         }
1448 }
1449
1450 void
1451 empathy_tp_chat_join (EmpathyTpChat *self)
1452 {
1453         TpHandle self_handle;
1454         GArray *members;
1455
1456         self_handle = tp_channel_group_get_self_handle ((TpChannel *) self);
1457
1458         members = g_array_sized_new (FALSE, FALSE, sizeof (TpHandle), 1);
1459         g_array_append_val (members, self_handle);
1460
1461         tp_cli_channel_interface_group_call_add_members ((TpChannel *) self, -1, members,
1462                 "", add_members_cb, NULL, NULL, G_OBJECT (self));
1463
1464         g_array_unref (members);
1465 }
1466
1467 gboolean
1468 empathy_tp_chat_is_invited (EmpathyTpChat *self,
1469                             TpHandle *inviter)
1470 {
1471         TpHandle self_handle;
1472
1473         if (!tp_proxy_has_interface (self, TP_IFACE_CHANNEL_INTERFACE_GROUP))
1474                 return FALSE;
1475
1476         self_handle = tp_channel_group_get_self_handle ((TpChannel *) self);
1477         if (self_handle == 0)
1478                 return FALSE;
1479
1480         return tp_channel_group_get_local_pending_info ((TpChannel *) self, self_handle,
1481                 inviter, NULL, NULL);
1482 }
1483
1484 TpChannelChatState
1485 empathy_tp_chat_get_chat_state (EmpathyTpChat *self,
1486                             EmpathyContact *contact)
1487 {
1488         return tp_channel_get_chat_state ((TpChannel *) self,
1489                 empathy_contact_get_handle (contact));
1490 }
1491
1492 EmpathyContact *
1493 empathy_tp_chat_get_self_contact (EmpathyTpChat *self)
1494 {
1495         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (self), NULL);
1496
1497         return self->priv->user;
1498 }
1499
1500 GQuark
1501 empathy_tp_chat_get_feature_ready (void)
1502 {
1503         return g_quark_from_static_string ("empathy-tp-chat-feature-ready");
1504 }
1505
1506 static void
1507 tp_chat_prepare_ready_async (TpProxy *proxy,
1508         const TpProxyFeature *feature,
1509         GAsyncReadyCallback callback,
1510         gpointer user_data)
1511 {
1512         EmpathyTpChat *self = (EmpathyTpChat *) proxy;
1513         TpChannel *channel = (TpChannel *) proxy;
1514         TpConnection *connection;
1515         gboolean listen_for_dbus_properties_changed = FALSE;
1516
1517         g_assert (self->priv->ready_result == NULL);
1518         self->priv->ready_result = g_simple_async_result_new (G_OBJECT (self),
1519                 callback, user_data, tp_chat_prepare_ready_async);
1520
1521         connection = tp_channel_borrow_connection (channel);
1522
1523         if (tp_proxy_has_interface_by_id (self,
1524                                           TP_IFACE_QUARK_CHANNEL_INTERFACE_GROUP)) {
1525                 const TpIntSet *members;
1526                 GArray *handles;
1527                 TpHandle handle;
1528
1529                 /* Get self contact from the group's self handle */
1530                 handle = tp_channel_group_get_self_handle (channel);
1531                 empathy_tp_contact_factory_get_from_handle (connection,
1532                         handle, tp_chat_got_self_contact_cb,
1533                         NULL, NULL, G_OBJECT (self));
1534
1535                 /* Get initial member contacts */
1536                 members = tp_channel_group_get_members (channel);
1537                 handles = tp_intset_to_array (members);
1538                 empathy_tp_contact_factory_get_from_handles (connection,
1539                         handles->len, (TpHandle *) handles->data,
1540                         tp_chat_got_added_contacts_cb, NULL, NULL, G_OBJECT (self));
1541
1542                 self->priv->can_upgrade_to_muc = FALSE;
1543
1544                 tp_g_signal_connect_object (self, "group-members-changed",
1545                         G_CALLBACK (tp_chat_group_members_changed_cb), self, 0);
1546         } else {
1547                 TpCapabilities *caps;
1548                 GPtrArray *classes;
1549                 guint i;
1550                 TpHandle handle;
1551
1552                 /* Get the self contact from the connection's self handle */
1553                 handle = tp_connection_get_self_handle (connection);
1554                 empathy_tp_contact_factory_get_from_handle (connection,
1555                         handle, tp_chat_got_self_contact_cb,
1556                         NULL, NULL, G_OBJECT (self));
1557
1558                 /* Get the remote contact */
1559                 handle = tp_channel_get_handle (channel, NULL);
1560                 empathy_tp_contact_factory_get_from_handle (connection,
1561                         handle, tp_chat_got_remote_contact_cb,
1562                         NULL, NULL, G_OBJECT (self));
1563
1564                 caps = tp_connection_get_capabilities (connection);
1565                 g_assert (caps != NULL);
1566
1567                 classes = tp_capabilities_get_channel_classes (caps);
1568
1569                 for (i = 0; i < classes->len; i++) {
1570                         GValueArray *array = g_ptr_array_index (classes, i);
1571                         const char **oprops = g_value_get_boxed (
1572                                 g_value_array_get_nth (array, 1));
1573
1574                         if (tp_strv_contains (oprops, TP_PROP_CHANNEL_INTERFACE_CONFERENCE_INITIAL_CHANNELS)) {
1575                                 self->priv->can_upgrade_to_muc = TRUE;
1576                                 break;
1577                         }
1578                 }
1579         }
1580
1581         if (tp_proxy_has_interface_by_id (self,
1582                                           TP_IFACE_QUARK_CHANNEL_INTERFACE_SUBJECT)) {
1583                 tp_cli_dbus_properties_call_get_all (channel, -1,
1584                                                      TP_IFACE_CHANNEL_INTERFACE_SUBJECT,
1585                                                      tp_chat_get_all_subject_cb,
1586                                                      NULL, NULL,
1587                                                      G_OBJECT (self));
1588                 listen_for_dbus_properties_changed = TRUE;
1589         }
1590
1591         if (tp_proxy_has_interface_by_id (self,
1592                                           TP_IFACE_QUARK_CHANNEL_INTERFACE_ROOM_CONFIG)) {
1593                 tp_cli_dbus_properties_call_get_all (channel, -1,
1594                                                      TP_IFACE_CHANNEL_INTERFACE_ROOM_CONFIG,
1595                                                      tp_chat_get_all_room_config_cb,
1596                                                      NULL, NULL,
1597                                                      G_OBJECT (self));
1598                 listen_for_dbus_properties_changed = TRUE;
1599         }
1600
1601         if (listen_for_dbus_properties_changed) {
1602                 tp_cli_dbus_properties_connect_to_properties_changed (channel,
1603                                                                       tp_chat_dbus_properties_changed_cb,
1604                                                                       NULL, NULL,
1605                                                                       G_OBJECT (self), NULL);
1606         }
1607 }