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/channel.h>
  27 #include <telepathy-glib/dbus.h>
  28 #include <telepathy-glib/util.h>
  29
  30 #include "empathy-tp-chat.h"
  31 #include "empathy-tp-contact-factory.h"
  32 #include "empathy-contact-monitor.h"
  33 #include "empathy-contact-list.h"
  34 #include "empathy-marshal.h"
  35 #include "empathy-time.h"
  36 #include "empathy-utils.h"
  37
  38 #define DEBUG_FLAG EMPATHY_DEBUG_TP | EMPATHY_DEBUG_CHAT
  39 #include "empathy-debug.h"
  40
  41 #define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyTpChat)
  42 typedef struct {
  43         gboolean               dispose_has_run;
  44         EmpathyTpContactFactory *factory;
  45         EmpathyContactMonitor *contact_monitor;
  46         EmpathyContact        *user;
  47         EmpathyContact        *remote_contact;
  48         GList                 *members;
  49         TpChannel             *channel;
  50         gboolean               listing_pending_messages;
  51         /* Queue of messages not signalled yet */
  52         GQueue                *messages_queue;
  53         /* Queue of messages signalled but not acked yet */
  54         GQueue                *pending_messages_queue;
  55         gboolean               had_properties_list;
  56         GPtrArray             *properties;
  57         gboolean               ready;
  58 } EmpathyTpChatPriv;
  59
  60 typedef struct {
  61         gchar          *name;
  62         guint           id;
  63         TpPropertyFlags flags;
  64         GValue         *value;
  65 } TpChatProperty;
  66
  67 static void tp_chat_iface_init         (EmpathyContactListIface *iface);
  68
  69 enum {
  70         PROP_0,
  71         PROP_CHANNEL,
  72         PROP_REMOTE_CONTACT,
  73         PROP_READY,
  74 };
  75
  76 enum {
  77         MESSAGE_RECEIVED,
  78         SEND_ERROR,
  79         CHAT_STATE_CHANGED,
  80         PROPERTY_CHANGED,
  81         DESTROY,
  82         LAST_SIGNAL
  83 };
  84
  85 static guint signals[LAST_SIGNAL];
  86
  87 G_DEFINE_TYPE_WITH_CODE (EmpathyTpChat, empathy_tp_chat, G_TYPE_OBJECT,
  88                          G_IMPLEMENT_INTERFACE (EMPATHY_TYPE_CONTACT_LIST,
  89                                                 tp_chat_iface_init));
  90
  91 static void acknowledge_messages (EmpathyTpChat *chat, GArray *ids);
  92
  93 static void
  94 tp_chat_invalidated_cb (TpProxy       *proxy,
  95                         guint          domain,
  96                         gint           code,
  97                         gchar         *message,
  98                         EmpathyTpChat *chat)
  99 {
 100         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 101
 102         DEBUG ("Channel invalidated: %s", message);
 103         g_signal_emit (chat, signals[DESTROY], 0);
 104 }
 105
 106 static void
 107 tp_chat_async_cb (TpChannel *proxy,
 108                   const GError *error,
 109                   gpointer user_data,
 110                   GObject *weak_object)
 111 {
 112         if (error) {
 113                 DEBUG ("Error %s: %s", (gchar*) user_data, error->message);
 114         }
 115 }
 116
 117 static void
 118 tp_chat_add (EmpathyContactList *list,
 119              EmpathyContact     *contact,
 120              const gchar        *message)
 121 {
 122         EmpathyTpChatPriv *priv = GET_PRIV (list);
 123         TpHandle           handle;
 124         GArray             handles = {(gchar *) &handle, 1};
 125
 126         g_return_if_fail (EMPATHY_IS_TP_CHAT (list));
 127         g_return_if_fail (EMPATHY_IS_CONTACT (contact));
 128
 129         handle = empathy_contact_get_handle (contact);
 130         tp_cli_channel_interface_group_call_add_members (priv->channel, -1,
 131                                                          &handles, NULL,
 132                                                          NULL, NULL, NULL,
 133                                                          NULL);
 134 }
 135
 136 static void
 137 tp_chat_remove (EmpathyContactList *list,
 138                 EmpathyContact     *contact,
 139                 const gchar        *message)
 140 {
 141         EmpathyTpChatPriv *priv = GET_PRIV (list);
 142         TpHandle           handle;
 143         GArray             handles = {(gchar *) &handle, 1};
 144
 145         g_return_if_fail (EMPATHY_IS_TP_CHAT (list));
 146         g_return_if_fail (EMPATHY_IS_CONTACT (contact));
 147
 148         handle = empathy_contact_get_handle (contact);
 149         tp_cli_channel_interface_group_call_remove_members (priv->channel, -1,
 150                                                             &handles, NULL,
 151                                                             NULL, NULL, NULL,
 152                                                             NULL);
 153 }
 154
 155 static GList *
 156 tp_chat_get_members (EmpathyContactList *list)
 157 {
 158         EmpathyTpChatPriv *priv = GET_PRIV (list);
 159         GList             *members = NULL;
 160
 161         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (list), NULL);
 162
 163         if (priv->members) {
 164                 members = g_list_copy (priv->members);
 165                 g_list_foreach (members, (GFunc) g_object_ref, NULL);
 166         } else {
 167                 members = g_list_prepend (members, g_object_ref (priv->user));
 168                 members = g_list_prepend (members, g_object_ref (priv->remote_contact));
 169         }
 170
 171         return members;
 172 }
 173
 174 static EmpathyContactMonitor *
 175 tp_chat_get_monitor (EmpathyContactList *list)
 176 {
 177         EmpathyTpChatPriv *priv;
 178
 179         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (list), NULL);
 180
 181         priv = GET_PRIV (list);
 182
 183         if (priv->contact_monitor == NULL) {
 184                 priv->contact_monitor = empathy_contact_monitor_new_for_iface (list);
 185         }
 186
 187         return priv->contact_monitor;
 188 }
 189
 190 static void
 191 tp_chat_emit_queued_messages (EmpathyTpChat *chat)
 192 {
 193         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 194         EmpathyMessage    *message;
 195
 196         /* Check if we can now emit some queued messages */
 197         while ((message = g_queue_peek_head (priv->messages_queue)) != NULL) {
 198                 if (empathy_message_get_sender (message) == NULL) {
 199                         break;
 200                 }
 201
 202                 DEBUG ("Queued message ready");
 203                 g_queue_pop_head (priv->messages_queue);
 204                 g_queue_push_tail (priv->pending_messages_queue, message);
 205                 g_signal_emit (chat, signals[MESSAGE_RECEIVED], 0, message);
 206         }
 207 }
 208
 209 static void
 210 tp_chat_got_sender_cb (EmpathyTpContactFactory *factory,
 211                        EmpathyContact          *contact,
 212                        const GError            *error,
 213                        gpointer                 message,
 214                        GObject                 *chat)
 215 {
 216         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 217
 218         if (error) {
 219                 DEBUG ("Error: %s", error->message);
 220                 /* Do not block the message queue, just drop this message */
 221                 g_queue_remove (priv->messages_queue, message);
 222         } else {
 223                 empathy_message_set_sender (message, contact);
 224         }
 225
 226         tp_chat_emit_queued_messages (EMPATHY_TP_CHAT (chat));
 227 }
 228
 229 static void
 230 tp_chat_build_message (EmpathyTpChat *chat,
 231                        guint          id,
 232                        guint          type,
 233                        guint          timestamp,
 234                        guint          from_handle,
 235                        const gchar   *message_body)
 236 {
 237         EmpathyTpChatPriv *priv;
 238         EmpathyMessage    *message;
 239
 240         priv = GET_PRIV (chat);
 241
 242         message = empathy_message_new (message_body);
 243         empathy_message_set_tptype (message, type);
 244         empathy_message_set_receiver (message, priv->user);
 245         empathy_message_set_timestamp (message, timestamp);
 246         empathy_message_set_id (message, id);
 247         g_queue_push_tail (priv->messages_queue, message);
 248
 249         if (from_handle == 0) {
 250                 empathy_message_set_sender (message, priv->user);
 251                 tp_chat_emit_queued_messages (chat);
 252         } else {
 253                 empathy_tp_contact_factory_get_from_handle (priv->factory,
 254                         from_handle,
 255                         tp_chat_got_sender_cb,
 256                         message, NULL, G_OBJECT (chat));
 257         }
 258 }
 259
 260 static void
 261 tp_chat_received_cb (TpChannel   *channel,
 262                      guint        message_id,
 263                      guint        timestamp,
 264                      guint        from_handle,
 265                      guint        message_type,
 266                      guint        message_flags,
 267                      const gchar *message_body,
 268                      gpointer     user_data,
 269                      GObject     *chat_)
 270 {
 271         EmpathyTpChat *chat = EMPATHY_TP_CHAT (chat_);
 272         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 273
 274         if (priv->channel == NULL)
 275                 return;
 276
 277         if (priv->listing_pending_messages) {
 278                 return;
 279         }
 280
 281         DEBUG ("Message received: %s", message_body);
 282
 283         if (message_flags & TP_CHANNEL_TEXT_MESSAGE_FLAG_NON_TEXT_CONTENT &&
 284             !tp_strdiff (message_body, "")) {
 285                 GArray *ids;
 286
 287                 DEBUG ("Empty message with NonTextContent, ignoring and acking.");
 288
 289                 ids = g_array_sized_new (FALSE, FALSE, sizeof (guint), 1);
 290                 g_array_append_val (ids, message_id);
 291                 acknowledge_messages (chat, ids);
 292                 g_array_free (ids, TRUE);
 293
 294                 return;
 295         }
 296
 297         tp_chat_build_message (chat,
 298                                message_id,
 299                                message_type,
 300                                timestamp,
 301                                from_handle,
 302                                message_body);
 303 }
 304
 305 static void
 306 tp_chat_sent_cb (TpChannel   *channel,
 307                  guint        timestamp,
 308                  guint        message_type,
 309                  const gchar *message_body,
 310                  gpointer     user_data,
 311                  GObject     *chat_)
 312 {
 313         EmpathyTpChat *chat = EMPATHY_TP_CHAT (chat_);
 314         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 315
 316         if (priv->channel == NULL)
 317                 return;
 318
 319         DEBUG ("Message sent: %s", message_body);
 320
 321         tp_chat_build_message (chat,
 322                                0,
 323                                message_type,
 324                                timestamp,
 325                                0,
 326                                message_body);
 327 }
 328
 329 static void
 330 tp_chat_send_error_cb (TpChannel   *channel,
 331                        guint        error_code,
 332                        guint        timestamp,
 333                        guint        message_type,
 334                        const gchar *message_body,
 335                        gpointer     user_data,
 336                        GObject     *chat)
 337 {
 338         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 339
 340         if (priv->channel == NULL)
 341                 return;
 342
 343         DEBUG ("Message sent error: %s (%d)", message_body, error_code);
 344
 345         tp_chat_build_message (EMPATHY_TP_CHAT (chat),
 346                                0,
 347                                message_type,
 348                                timestamp,
 349                                0,
 350                                message_body);
 351 }
 352
 353 static void
 354 tp_chat_send_cb (TpChannel    *proxy,
 355                  const GError *error,
 356                  gpointer      user_data,
 357                  GObject      *chat)
 358 {
 359         EmpathyMessage *message = EMPATHY_MESSAGE (user_data);
 360
 361         if (error) {
 362                 DEBUG ("Error: %s", error->message);
 363                 g_signal_emit (chat, signals[SEND_ERROR], 0, message,
 364                                TP_CHANNEL_TEXT_SEND_ERROR_UNKNOWN);
 365         }
 366 }
 367
 368 typedef struct {
 369         EmpathyTpChat *chat;
 370         TpChannelChatState state;
 371 } StateChangedData;
 372
 373 static void
 374 tp_chat_state_changed_got_contact_cb (EmpathyTpContactFactory *factory,
 375                                       EmpathyContact          *contact,
 376                                       const GError            *error,
 377                                       gpointer                 user_data,
 378                                       GObject                 *chat)
 379 {
 380         TpChannelChatState state;
 381
 382         if (error) {
 383                 DEBUG ("Error: %s", error->message);
 384                 return;
 385         }
 386
 387         state = GPOINTER_TO_UINT (user_data);
 388         DEBUG ("Chat state changed for %s (%d): %d",
 389                 empathy_contact_get_name (contact),
 390                 empathy_contact_get_handle (contact), state);
 391
 392         g_signal_emit (chat, signals[CHAT_STATE_CHANGED], 0, contact, state);
 393 }
 394
 395 static void
 396 tp_chat_state_changed_cb (TpChannel *channel,
 397                           TpHandle   handle,
 398                           TpChannelChatState state,
 399                           gpointer   user_data,
 400                           GObject   *chat)
 401 {
 402         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 403
 404         empathy_tp_contact_factory_get_from_handle (priv->factory, handle,
 405                 tp_chat_state_changed_got_contact_cb, GUINT_TO_POINTER (state),
 406                 NULL, chat);
 407 }
 408
 409 static void
 410 tp_chat_list_pending_messages_cb (TpChannel       *channel,
 411                                   const GPtrArray *messages_list,
 412                                   const GError    *error,
 413                                   gpointer         user_data,
 414                                   GObject         *chat_)
 415 {
 416         EmpathyTpChat     *chat = EMPATHY_TP_CHAT (chat_);
 417         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 418         guint              i;
 419         GArray            *empty_non_text_content_ids = NULL;
 420
 421         priv->listing_pending_messages = FALSE;
 422
 423         if (priv->channel == NULL)
 424                 return;
 425
 426         if (error) {
 427                 DEBUG ("Error listing pending messages: %s", error->message);
 428                 return;
 429         }
 430
 431         for (i = 0; i < messages_list->len; i++) {
 432                 GValueArray    *message_struct;
 433                 const gchar    *message_body;
 434                 guint           message_id;
 435                 guint           timestamp;
 436                 guint           from_handle;
 437                 guint           message_type;
 438                 guint           message_flags;
 439
 440                 message_struct = g_ptr_array_index (messages_list, i);
 441
 442                 message_id = g_value_get_uint (g_value_array_get_nth (message_struct, 0));
 443                 timestamp = g_value_get_uint (g_value_array_get_nth (message_struct, 1));
 444                 from_handle = g_value_get_uint (g_value_array_get_nth (message_struct, 2));
 445                 message_type = g_value_get_uint (g_value_array_get_nth (message_struct, 3));
 446                 message_flags = g_value_get_uint (g_value_array_get_nth (message_struct, 4));
 447                 message_body = g_value_get_string (g_value_array_get_nth (message_struct, 5));
 448
 449                 DEBUG ("Message pending: %s", message_body);
 450
 451                 if (message_flags & TP_CHANNEL_TEXT_MESSAGE_FLAG_NON_TEXT_CONTENT &&
 452                     !tp_strdiff (message_body, "")) {
 453                         DEBUG ("Empty message with NonTextContent, ignoring and acking.");
 454
 455                         if (empty_non_text_content_ids == NULL) {
 456                                 empty_non_text_content_ids = g_array_new (FALSE, FALSE, sizeof (guint));
 457                         }
 458
 459                         g_array_append_val (empty_non_text_content_ids, message_id);
 460                         continue;
 461                 }
 462
 463                 tp_chat_build_message (chat,
 464                                        message_id,
 465                                        message_type,
 466                                        timestamp,
 467                                        from_handle,
 468                                        message_body);
 469         }
 470
 471         if (empty_non_text_content_ids != NULL) {
 472                 acknowledge_messages (chat, empty_non_text_content_ids);
 473                 g_array_free (empty_non_text_content_ids, TRUE);
 474         }
 475 }
 476
 477 static void
 478 tp_chat_property_flags_changed_cb (TpProxy         *proxy,
 479                                    const GPtrArray *properties,
 480                                    gpointer         user_data,
 481                                    GObject         *chat)
 482 {
 483         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 484         guint              i, j;
 485
 486         if (priv->channel == NULL)
 487                 return;
 488
 489         if (!priv->had_properties_list || !properties) {
 490                 return;
 491         }
 492
 493         for (i = 0; i < properties->len; i++) {
 494                 GValueArray    *prop_struct;
 495                 TpChatProperty *property;
 496                 guint           id;
 497                 guint           flags;
 498
 499                 prop_struct = g_ptr_array_index (properties, i);
 500                 id = g_value_get_uint (g_value_array_get_nth (prop_struct, 0));
 501                 flags = g_value_get_uint (g_value_array_get_nth (prop_struct, 1));
 502
 503                 for (j = 0; j < priv->properties->len; j++) {
 504                         property = g_ptr_array_index (priv->properties, j);
 505                         if (property->id == id) {
 506                                 property->flags = flags;
 507                                 DEBUG ("property %s flags changed: %d",
 508                                         property->name, property->flags);
 509                                 break;
 510                         }
 511                 }
 512         }
 513 }
 514
 515 static void
 516 tp_chat_properties_changed_cb (TpProxy         *proxy,
 517                                const GPtrArray *properties,
 518                                gpointer         user_data,
 519                                GObject         *chat)
 520 {
 521         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 522         guint              i, j;
 523
 524         if (priv->channel == NULL)
 525                 return;
 526
 527         if (!priv->had_properties_list || !properties) {
 528                 return;
 529         }
 530
 531         for (i = 0; i < properties->len; i++) {
 532                 GValueArray    *prop_struct;
 533                 TpChatProperty *property;
 534                 guint           id;
 535                 GValue         *src_value;
 536
 537                 prop_struct = g_ptr_array_index (properties, i);
 538                 id = g_value_get_uint (g_value_array_get_nth (prop_struct, 0));
 539                 src_value = g_value_get_boxed (g_value_array_get_nth (prop_struct, 1));
 540
 541                 for (j = 0; j < priv->properties->len; j++) {
 542                         property = g_ptr_array_index (priv->properties, j);
 543                         if (property->id == id) {
 544                                 if (property->value) {
 545                                         g_value_copy (src_value, property->value);
 546                                 } else {
 547                                         property->value = tp_g_value_slice_dup (src_value);
 548                                 }
 549
 550                                 DEBUG ("property %s changed", property->name);
 551                                 g_signal_emit (chat, signals[PROPERTY_CHANGED], 0,
 552                                                property->name, property->value);
 553                                 break;
 554                         }
 555                 }
 556         }
 557 }
 558
 559 static void
 560 tp_chat_get_properties_cb (TpProxy         *proxy,
 561                            const GPtrArray *properties,
 562                            const GError    *error,
 563                            gpointer         user_data,
 564                            GObject         *chat)
 565 {
 566         if (error) {
 567                 DEBUG ("Error getting properties: %s", error->message);
 568                 return;
 569         }
 570
 571         tp_chat_properties_changed_cb (proxy, properties, user_data, chat);
 572 }
 573
 574 static void
 575 tp_chat_list_properties_cb (TpProxy         *proxy,
 576                             const GPtrArray *properties,
 577                             const GError    *error,
 578                             gpointer         user_data,
 579                             GObject         *chat)
 580 {
 581         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 582         GArray            *ids;
 583         guint              i;
 584
 585         if (priv->channel == NULL)
 586                 return;
 587
 588         priv->had_properties_list = TRUE;
 589
 590         if (error) {
 591                 DEBUG ("Error listing properties: %s", error->message);
 592                 return;
 593         }
 594
 595         ids = g_array_sized_new (FALSE, FALSE, sizeof (guint), properties->len);
 596         priv->properties = g_ptr_array_sized_new (properties->len);
 597         for (i = 0; i < properties->len; i++) {
 598                 GValueArray    *prop_struct;
 599                 TpChatProperty *property;
 600
 601                 prop_struct = g_ptr_array_index (properties, i);
 602                 property = g_slice_new0 (TpChatProperty);
 603                 property->id = g_value_get_uint (g_value_array_get_nth (prop_struct, 0));
 604                 property->name = g_value_dup_string (g_value_array_get_nth (prop_struct, 1));
 605                 property->flags = g_value_get_uint (g_value_array_get_nth (prop_struct, 3));
 606
 607                 DEBUG ("Adding property name=%s id=%d flags=%d",
 608                         property->name, property->id, property->flags);
 609                 g_ptr_array_add (priv->properties, property);
 610                 if (property->flags & TP_PROPERTY_FLAG_READ) {
 611                         g_array_append_val (ids, property->id);
 612                 }
 613         }
 614
 615         tp_cli_properties_interface_call_get_properties (proxy, -1,
 616                                                          ids,
 617                                                          tp_chat_get_properties_cb,
 618                                                          NULL, NULL,
 619                                                          chat);
 620
 621         g_array_free (ids, TRUE);
 622 }
 623
 624 void
 625 empathy_tp_chat_set_property (EmpathyTpChat *chat,
 626                               const gchar   *name,
 627                               const GValue  *value)
 628 {
 629         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 630         TpChatProperty    *property;
 631         guint              i;
 632
 633         for (i = 0; i < priv->properties->len; i++) {
 634                 property = g_ptr_array_index (priv->properties, i);
 635                 if (!tp_strdiff (property->name, name)) {
 636                         GPtrArray   *properties;
 637                         GValueArray *prop;
 638                         GValue       id = {0, };
 639                         GValue       dest_value = {0, };
 640
 641                         if (!(property->flags & TP_PROPERTY_FLAG_WRITE)) {
 642                                 break;
 643                         }
 644
 645                         g_value_init (&id, G_TYPE_UINT);
 646                         g_value_init (&dest_value, G_TYPE_VALUE);
 647                         g_value_set_uint (&id, property->id);
 648                         g_value_set_boxed (&dest_value, value);
 649
 650                         prop = g_value_array_new (2);
 651                         g_value_array_append (prop, &id);
 652                         g_value_array_append (prop, &dest_value);
 653
 654                         properties = g_ptr_array_sized_new (1);
 655                         g_ptr_array_add (properties, prop);
 656
 657                         DEBUG ("Set property %s", name);
 658                         tp_cli_properties_interface_call_set_properties (priv->channel, -1,
 659                                                                          properties,
 660                                                                          (tp_cli_properties_interface_callback_for_set_properties)
 661                                                                          tp_chat_async_cb,
 662                                                                          "Seting property", NULL,
 663                                                                          G_OBJECT (chat));
 664
 665                         g_ptr_array_free (properties, TRUE);
 666                         g_value_array_free (prop);
 667
 668                         break;
 669                 }
 670         }
 671 }
 672
 673 static void
 674 tp_chat_dispose (GObject *object)
 675 {
 676         EmpathyTpChat *self = EMPATHY_TP_CHAT (object);
 677         EmpathyTpChatPriv *priv = GET_PRIV (self);
 678
 679         if (priv->dispose_has_run)
 680                 return;
 681
 682         priv->dispose_has_run = TRUE;
 683
 684         if (priv->channel != NULL) {
 685                 g_signal_handlers_disconnect_by_func (priv->channel,
 686                         tp_chat_invalidated_cb, self);
 687                 g_object_unref (priv->channel);
 688         }
 689         priv->channel = NULL;
 690
 691         if (priv->remote_contact != NULL)
 692                 g_object_unref (priv->remote_contact);
 693         priv->remote_contact = NULL;
 694
 695         if (priv->factory != NULL)
 696                 g_object_unref (priv->factory);
 697         priv->factory = NULL;
 698
 699         if (priv->user != NULL);
 700                 g_object_unref (priv->user);
 701         priv->user = NULL;
 702
 703         if (priv->contact_monitor)
 704                 g_object_unref (priv->contact_monitor);
 705         priv->contact_monitor = NULL;
 706
 707         g_queue_foreach (priv->messages_queue, (GFunc) g_object_unref, NULL);
 708         g_queue_clear (priv->messages_queue);
 709
 710         g_queue_foreach (priv->pending_messages_queue,
 711                 (GFunc) g_object_unref, NULL);
 712         g_queue_clear (priv->pending_messages_queue);
 713
 714         if (G_OBJECT_CLASS (empathy_tp_chat_parent_class)->dispose)
 715                 G_OBJECT_CLASS (empathy_tp_chat_parent_class)->dispose (object);
 716 }
 717
 718 static void
 719 tp_chat_finalize (GObject *object)
 720 {
 721         EmpathyTpChatPriv *priv = GET_PRIV (object);
 722         guint              i;
 723
 724         DEBUG ("Finalize: %p", object);
 725
 726         if (priv->properties) {
 727                 for (i = 0; i < priv->properties->len; i++) {
 728                         TpChatProperty *property;
 729
 730                         property = g_ptr_array_index (priv->properties, i);
 731                         g_free (property->name);
 732                         if (property->value) {
 733                                 tp_g_value_slice_free (property->value);
 734                         }
 735                         g_slice_free (TpChatProperty, property);
 736                 }
 737                 g_ptr_array_free (priv->properties, TRUE);
 738         }
 739
 740         g_queue_free (priv->messages_queue);
 741         g_queue_free (priv->pending_messages_queue);
 742
 743         G_OBJECT_CLASS (empathy_tp_chat_parent_class)->finalize (object);
 744 }
 745
 746 static void
 747 tp_chat_check_if_ready (EmpathyTpChat *chat)
 748 {
 749         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 750
 751         if (priv->ready || priv->user == NULL ||
 752             (priv->members == NULL && priv->remote_contact == NULL)) {
 753                 return;
 754         }
 755
 756         DEBUG ("Ready!");
 757
 758         priv->listing_pending_messages = TRUE;
 759         tp_cli_channel_type_text_call_list_pending_messages (priv->channel, -1,
 760                                                              FALSE,
 761                                                              tp_chat_list_pending_messages_cb,
 762                                                              NULL, NULL,
 763                                                              G_OBJECT (chat));
 764
 765         tp_cli_channel_type_text_connect_to_received (priv->channel,
 766                                                       tp_chat_received_cb,
 767                                                       NULL, NULL,
 768                                                       G_OBJECT (chat), NULL);
 769         tp_cli_channel_type_text_connect_to_sent (priv->channel,
 770                                                   tp_chat_sent_cb,
 771                                                   NULL, NULL,
 772                                                   G_OBJECT (chat), NULL);
 773         tp_cli_channel_type_text_connect_to_send_error (priv->channel,
 774                                                         tp_chat_send_error_cb,
 775                                                         NULL, NULL,
 776                                                         G_OBJECT (chat), NULL);
 777         tp_cli_channel_interface_chat_state_connect_to_chat_state_changed (priv->channel,
 778                                                                            tp_chat_state_changed_cb,
 779                                                                            NULL, NULL,
 780                                                                            G_OBJECT (chat), NULL);
 781         tp_cli_channel_interface_chat_state_connect_to_chat_state_changed (priv->channel,
 782                                                                            tp_chat_state_changed_cb,
 783                                                                            NULL, NULL,
 784                                                                            G_OBJECT (chat), NULL);
 785         priv->ready = TRUE;
 786         g_object_notify (G_OBJECT (chat), "ready");
 787 }
 788
 789 static void
 790 tp_chat_update_remote_contact (EmpathyTpChat *chat)
 791 {
 792         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 793         EmpathyContact *contact = NULL;
 794         TpHandle self_handle;
 795         TpHandleType handle_type;
 796         GList *l;
 797
 798         /* If this is a named chatroom, never pretend it is a private chat */
 799         tp_channel_get_handle (priv->channel, &handle_type);
 800         if (handle_type == TP_HANDLE_TYPE_ROOM) {
 801                 return;
 802         }
 803
 804         /* This is an MSN-like chat where anyone can join the chat at anytime.
 805          * If there is only one non-self contact member, we are in a private
 806          * chat and we set the "remote-contact" property to that contact. If
 807          * there are more, set the "remote-contact" property to NULL and the
 808          * UI will display a contact list. */
 809         self_handle = tp_channel_group_get_self_handle (priv->channel);
 810         for (l = priv->members; l; l = l->next) {
 811                 /* Skip self contact if member */
 812                 if (empathy_contact_get_handle (l->data) == self_handle) {
 813                         continue;
 814                 }
 815
 816                 /* We have more than one remote contact, break */
 817                 if (contact != NULL) {
 818                         contact = NULL;
 819                         break;
 820                 }
 821
 822                 /* If we didn't find yet a remote contact, keep this one */
 823                 contact = l->data;
 824         }
 825
 826         if (priv->remote_contact == contact) {
 827                 return;
 828         }
 829
 830         DEBUG ("Changing remote contact from %p to %p",
 831                 priv->remote_contact, contact);
 832
 833         if (priv->remote_contact) {
 834                 g_object_unref (priv->remote_contact);
 835         }
 836
 837         priv->remote_contact = contact ? g_object_ref (contact) : NULL;
 838         g_object_notify (G_OBJECT (chat), "remote-contact");
 839 }
 840
 841 static void
 842 tp_chat_got_added_contacts_cb (EmpathyTpContactFactory *factory,
 843                                guint                    n_contacts,
 844                                EmpathyContact * const * contacts,
 845                                guint                    n_failed,
 846                                const TpHandle          *failed,
 847                                const GError            *error,
 848                                gpointer                 user_data,
 849                                GObject                 *chat)
 850 {
 851         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 852         guint i;
 853         const TpIntSet *members;
 854         TpHandle handle;
 855         EmpathyContact *contact;
 856
 857         if (error) {
 858                 DEBUG ("Error: %s", error->message);
 859                 return;
 860         }
 861
 862         members = tp_channel_group_get_members (priv->channel);
 863         for (i = 0; i < n_contacts; i++) {
 864                 contact = contacts[i];
 865                 handle = empathy_contact_get_handle (contact);
 866
 867                 /* Make sure the contact is still member */
 868                 if (tp_intset_is_member (members, handle)) {
 869                         priv->members = g_list_prepend (priv->members,
 870                                 g_object_ref (contact));
 871                         g_signal_emit_by_name (chat, "members-changed",
 872                                                contact, NULL, 0, NULL, FALSE);
 873                 }
 874         }
 875
 876         tp_chat_update_remote_contact (EMPATHY_TP_CHAT (chat));
 877         tp_chat_check_if_ready (EMPATHY_TP_CHAT (chat));
 878 }
 879
 880 static void
 881 tp_chat_group_members_changed_cb (TpChannel     *self,
 882                                   gchar         *message,
 883                                   GArray        *added,
 884                                   GArray        *removed,
 885                                   GArray        *local_pending,
 886                                   GArray        *remote_pending,
 887                                   guint          actor,
 888                                   guint          reason,
 889                                   EmpathyTpChat *chat)
 890 {
 891         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 892         EmpathyContact *contact;
 893         TpHandle handle;
 894         guint i;
 895         GList *l;
 896
 897         /* Remove contacts that are not members anymore */
 898         for (i = 0; i < removed->len; i++) {
 899                 for (l = priv->members; l; l = l->next) {
 900                         contact = l->data;
 901                         handle = empathy_contact_get_handle (contact);
 902                         if (handle == g_array_index (removed, TpHandle, i)) {
 903                                 priv->members = g_list_delete_link (priv->members, l);
 904                                 g_signal_emit_by_name (chat, "members-changed",
 905                                                        contact, NULL, reason,
 906                                                        message, FALSE);
 907                                 g_object_unref (contact);
 908                                 break;
 909                         }
 910                 }
 911         }
 912
 913         /* Request added contacts */
 914         if (added->len > 0) {
 915                 empathy_tp_contact_factory_get_from_handles (priv->factory,
 916                         added->len, (TpHandle*) added->data,
 917                         tp_chat_got_added_contacts_cb, NULL, NULL,
 918                         G_OBJECT (chat));
 919         }
 920
 921         tp_chat_update_remote_contact (chat);
 922 }
 923
 924 static void
 925 tp_chat_got_remote_contact_cb (EmpathyTpContactFactory *factory,
 926                                EmpathyContact          *contact,
 927                                const GError            *error,
 928                                gpointer                 user_data,
 929                                GObject                 *chat)
 930 {
 931         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 932
 933         if (error) {
 934                 DEBUG ("Error: %s", error->message);
 935                 empathy_tp_chat_close (EMPATHY_TP_CHAT (chat));
 936                 return;
 937         }
 938
 939         priv->remote_contact = g_object_ref (contact);
 940         g_object_notify (chat, "remote-contact");
 941
 942         tp_chat_check_if_ready (EMPATHY_TP_CHAT (chat));
 943 }
 944
 945 static void
 946 tp_chat_got_self_contact_cb (EmpathyTpContactFactory *factory,
 947                              EmpathyContact          *contact,
 948                              const GError            *error,
 949                              gpointer                 user_data,
 950                              GObject                 *chat)
 951 {
 952         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 953
 954         if (error) {
 955                 DEBUG ("Error: %s", error->message);
 956                 empathy_tp_chat_close (EMPATHY_TP_CHAT (chat));
 957                 return;
 958         }
 959
 960         priv->user = g_object_ref (contact);
 961         empathy_contact_set_is_user (priv->user, TRUE);
 962         tp_chat_check_if_ready (EMPATHY_TP_CHAT (chat));
 963 }
 964
 965 static void
 966 tp_chat_get_self_handle_cb (TpConnection *connection,
 967                             TpHandle self_handle,
 968                             const GError *error,
 969                             gpointer user_data,
 970                             GObject *chat)
 971 {
 972         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 973
 974         if (error) {
 975                 DEBUG ("Error: %s", error->message);
 976                 tp_cli_channel_call_close (priv->channel, -1,
 977                                            NULL, NULL, NULL, NULL);
 978                 return;
 979         }
 980
 981         empathy_tp_contact_factory_get_from_handle (priv->factory,
 982                 self_handle, tp_chat_got_self_contact_cb,
 983                 NULL, NULL, chat);
 984 }
 985
 986 static GObject *
 987 tp_chat_constructor (GType                  type,
 988                      guint                  n_props,
 989                      GObjectConstructParam *props)
 990 {
 991         GObject           *chat;
 992         EmpathyTpChatPriv *priv;
 993         TpConnection      *connection;
 994         TpHandle           handle;
 995
 996         chat = G_OBJECT_CLASS (empathy_tp_chat_parent_class)->constructor (type, n_props, props);
 997
 998         priv = GET_PRIV (chat);
 999
1000         connection = tp_channel_borrow_connection (priv->channel);
1001         priv->factory = empathy_tp_contact_factory_dup_singleton (connection);
1002         g_signal_connect (priv->channel, "invalidated",
1003                           G_CALLBACK (tp_chat_invalidated_cb),
1004                           chat);
1005
1006         if (tp_proxy_has_interface_by_id (priv->channel,
1007                                           TP_IFACE_QUARK_CHANNEL_INTERFACE_GROUP)) {
1008                 const TpIntSet *members;
1009                 GArray *handles;
1010
1011                 /* Get self contact from the group's self handle */
1012                 handle = tp_channel_group_get_self_handle (priv->channel);
1013                 empathy_tp_contact_factory_get_from_handle (priv->factory,
1014                         handle, tp_chat_got_self_contact_cb,
1015                         NULL, NULL, chat);
1016
1017                 /* Get initial member contacts */
1018                 members = tp_channel_group_get_members (priv->channel);
1019                 handles = tp_intset_to_array (members);
1020                 empathy_tp_contact_factory_get_from_handles (priv->factory,
1021                         handles->len, (TpHandle*) handles->data,
1022                         tp_chat_got_added_contacts_cb, NULL, NULL, chat);
1023
1024                 g_signal_connect (priv->channel, "group-members-changed",
1025                         G_CALLBACK (tp_chat_group_members_changed_cb), chat);
1026         } else {
1027                 /* Get the self contact from the connection's self handle */
1028                 tp_cli_connection_call_get_self_handle (connection, -1,
1029                         tp_chat_get_self_handle_cb, NULL, NULL, chat);
1030
1031                 /* Get the remote contact */
1032                 handle = tp_channel_get_handle (priv->channel, NULL);
1033                 empathy_tp_contact_factory_get_from_handle (priv->factory,
1034                         handle, tp_chat_got_remote_contact_cb,
1035                         NULL, NULL, chat);
1036         }
1037
1038         if (tp_proxy_has_interface_by_id (priv->channel,
1039                                           TP_IFACE_QUARK_PROPERTIES_INTERFACE)) {
1040                 tp_cli_properties_interface_call_list_properties (priv->channel, -1,
1041                                                                   tp_chat_list_properties_cb,
1042                                                                   NULL, NULL,
1043                                                                   G_OBJECT (chat));
1044                 tp_cli_properties_interface_connect_to_properties_changed (priv->channel,
1045                                                                            tp_chat_properties_changed_cb,
1046                                                                            NULL, NULL,
1047                                                                            G_OBJECT (chat), NULL);
1048                 tp_cli_properties_interface_connect_to_property_flags_changed (priv->channel,
1049                                                                                tp_chat_property_flags_changed_cb,
1050                                                                                NULL, NULL,
1051                                                                                G_OBJECT (chat), NULL);
1052         }
1053
1054         return chat;
1055 }
1056
1057 static void
1058 tp_chat_get_property (GObject    *object,
1059                       guint       param_id,
1060                       GValue     *value,
1061                       GParamSpec *pspec)
1062 {
1063         EmpathyTpChatPriv *priv = GET_PRIV (object);
1064
1065         switch (param_id) {
1066         case PROP_CHANNEL:
1067                 g_value_set_object (value, priv->channel);
1068                 break;
1069         case PROP_REMOTE_CONTACT:
1070                 g_value_set_object (value, priv->remote_contact);
1071                 break;
1072         case PROP_READY:
1073                 g_value_set_boolean (value, priv->ready);
1074                 break;
1075         default:
1076                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
1077                 break;
1078         };
1079 }
1080
1081 static void
1082 tp_chat_set_property (GObject      *object,
1083                       guint         param_id,
1084                       const GValue *value,
1085                       GParamSpec   *pspec)
1086 {
1087         EmpathyTpChatPriv *priv = GET_PRIV (object);
1088
1089         switch (param_id) {
1090         case PROP_CHANNEL:
1091                 priv->channel = g_value_dup_object (value);
1092                 break;
1093         default:
1094                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
1095                 break;
1096         };
1097 }
1098
1099 static void
1100 empathy_tp_chat_class_init (EmpathyTpChatClass *klass)
1101 {
1102         GObjectClass *object_class = G_OBJECT_CLASS (klass);
1103
1104         object_class->dispose = tp_chat_dispose;
1105         object_class->finalize = tp_chat_finalize;
1106         object_class->constructor = tp_chat_constructor;
1107         object_class->get_property = tp_chat_get_property;
1108         object_class->set_property = tp_chat_set_property;
1109
1110         g_object_class_install_property (object_class,
1111                                          PROP_CHANNEL,
1112                                          g_param_spec_object ("channel",
1113                                                               "telepathy channel",
1114                                                               "The text channel for the chat",
1115                                                               TP_TYPE_CHANNEL,
1116                                                               G_PARAM_READWRITE |
1117                                                               G_PARAM_CONSTRUCT_ONLY));
1118
1119         g_object_class_install_property (object_class,
1120                                          PROP_REMOTE_CONTACT,
1121                                          g_param_spec_object ("remote-contact",
1122                                                               "The remote contact",
1123                                                               "The remote contact if there is no group iface on the channel",
1124                                                               EMPATHY_TYPE_CONTACT,
1125                                                               G_PARAM_READABLE));
1126
1127         g_object_class_install_property (object_class,
1128                                          PROP_READY,
1129                                          g_param_spec_boolean ("ready",
1130                                                                "Is the object ready",
1131                                                                "This object can't be used until this becomes true",
1132                                                                FALSE,
1133                                                                G_PARAM_READABLE));
1134
1135         /* Signals */
1136         signals[MESSAGE_RECEIVED] =
1137                 g_signal_new ("message-received",
1138                               G_TYPE_FROM_CLASS (klass),
1139                               G_SIGNAL_RUN_LAST,
1140                               0,
1141                               NULL, NULL,
1142                               g_cclosure_marshal_VOID__OBJECT,
1143                               G_TYPE_NONE,
1144                               1, EMPATHY_TYPE_MESSAGE);
1145
1146         signals[SEND_ERROR] =
1147                 g_signal_new ("send-error",
1148                               G_TYPE_FROM_CLASS (klass),
1149                               G_SIGNAL_RUN_LAST,
1150                               0,
1151                               NULL, NULL,
1152                               _empathy_marshal_VOID__OBJECT_UINT,
1153                               G_TYPE_NONE,
1154                               2, EMPATHY_TYPE_MESSAGE, G_TYPE_UINT);
1155
1156         signals[CHAT_STATE_CHANGED] =
1157                 g_signal_new ("chat-state-changed",
1158                               G_TYPE_FROM_CLASS (klass),
1159                               G_SIGNAL_RUN_LAST,
1160                               0,
1161                               NULL, NULL,
1162                               _empathy_marshal_VOID__OBJECT_UINT,
1163                               G_TYPE_NONE,
1164                               2, EMPATHY_TYPE_CONTACT, G_TYPE_UINT);
1165
1166         signals[PROPERTY_CHANGED] =
1167                 g_signal_new ("property-changed",
1168                               G_TYPE_FROM_CLASS (klass),
1169                               G_SIGNAL_RUN_LAST,
1170                               0,
1171                               NULL, NULL,
1172                               _empathy_marshal_VOID__STRING_BOXED,
1173                               G_TYPE_NONE,
1174                               2, G_TYPE_STRING, G_TYPE_VALUE);
1175
1176         signals[DESTROY] =
1177                 g_signal_new ("destroy",
1178                               G_TYPE_FROM_CLASS (klass),
1179                               G_SIGNAL_RUN_LAST,
1180                               0,
1181                               NULL, NULL,
1182                               g_cclosure_marshal_VOID__VOID,
1183                               G_TYPE_NONE,
1184                               0);
1185
1186         g_type_class_add_private (object_class, sizeof (EmpathyTpChatPriv));
1187 }
1188
1189 static void
1190 empathy_tp_chat_init (EmpathyTpChat *chat)
1191 {
1192         EmpathyTpChatPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (chat,
1193                 EMPATHY_TYPE_TP_CHAT, EmpathyTpChatPriv);
1194
1195         chat->priv = priv;
1196         priv->contact_monitor = NULL;
1197         priv->messages_queue = g_queue_new ();
1198         priv->pending_messages_queue = g_queue_new ();
1199 }
1200
1201 static void
1202 tp_chat_iface_init (EmpathyContactListIface *iface)
1203 {
1204         iface->add         = tp_chat_add;
1205         iface->remove      = tp_chat_remove;
1206         iface->get_members = tp_chat_get_members;
1207         iface->get_monitor = tp_chat_get_monitor;
1208 }
1209
1210 EmpathyTpChat *
1211 empathy_tp_chat_new (TpChannel *channel)
1212 {
1213         return g_object_new (EMPATHY_TYPE_TP_CHAT,
1214                              "channel", channel,
1215                              NULL);
1216 }
1217
1218 void
1219 empathy_tp_chat_close (EmpathyTpChat *chat) {
1220         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1221
1222         /* If there are still messages left, it'll come back..
1223          * We loose the ordering of sent messages though */
1224         tp_cli_channel_call_close (priv->channel, -1, tp_chat_async_cb,
1225                 "closing channel", NULL, NULL);
1226 }
1227
1228 const gchar *
1229 empathy_tp_chat_get_id (EmpathyTpChat *chat)
1230 {
1231         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1232
1233         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (chat), NULL);
1234
1235         return tp_channel_get_identifier (priv->channel);
1236 }
1237
1238 EmpathyContact *
1239 empathy_tp_chat_get_remote_contact (EmpathyTpChat *chat)
1240 {
1241         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1242
1243         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (chat), NULL);
1244         g_return_val_if_fail (priv->ready, NULL);
1245
1246         return priv->remote_contact;
1247 }
1248
1249 TpChannel *
1250 empathy_tp_chat_get_channel (EmpathyTpChat *chat)
1251 {
1252         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1253
1254         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (chat), NULL);
1255
1256         return priv->channel;
1257 }
1258
1259 TpConnection *
1260 empathy_tp_chat_get_connection (EmpathyTpChat *chat)
1261 {
1262         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1263
1264         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (chat), NULL);
1265
1266         return tp_channel_borrow_connection (priv->channel);
1267 }
1268
1269 gboolean
1270 empathy_tp_chat_is_ready (EmpathyTpChat *chat)
1271 {
1272         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1273
1274         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (chat), FALSE);
1275
1276         return priv->ready;
1277 }
1278
1279 void
1280 empathy_tp_chat_send (EmpathyTpChat *chat,
1281                       EmpathyMessage *message)
1282 {
1283         EmpathyTpChatPriv        *priv = GET_PRIV (chat);
1284         const gchar              *message_body;
1285         TpChannelTextMessageType  message_type;
1286
1287         g_return_if_fail (EMPATHY_IS_TP_CHAT (chat));
1288         g_return_if_fail (EMPATHY_IS_MESSAGE (message));
1289         g_return_if_fail (priv->ready);
1290
1291         message_body = empathy_message_get_body (message);
1292         message_type = empathy_message_get_tptype (message);
1293
1294         DEBUG ("Sending message: %s", message_body);
1295         tp_cli_channel_type_text_call_send (priv->channel, -1,
1296                                             message_type,
1297                                             message_body,
1298                                             tp_chat_send_cb,
1299                                             g_object_ref (message),
1300                                             (GDestroyNotify) g_object_unref,
1301                                             G_OBJECT (chat));
1302 }
1303
1304 void
1305 empathy_tp_chat_set_state (EmpathyTpChat      *chat,
1306                            TpChannelChatState  state)
1307 {
1308         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1309
1310         g_return_if_fail (EMPATHY_IS_TP_CHAT (chat));
1311         g_return_if_fail (priv->ready);
1312
1313         DEBUG ("Set state: %d", state);
1314         tp_cli_channel_interface_chat_state_call_set_chat_state (priv->channel, -1,
1315                                                                  state,
1316                                                                  tp_chat_async_cb,
1317                                                                  "setting chat state",
1318                                                                  NULL,
1319                                                                  G_OBJECT (chat));
1320 }
1321
1322
1323 const GList *
1324 empathy_tp_chat_get_pending_messages (EmpathyTpChat *chat)
1325 {
1326         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1327
1328         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (chat), NULL);
1329         g_return_val_if_fail (priv->ready, NULL);
1330
1331         return priv->pending_messages_queue->head;
1332 }
1333
1334 static void
1335 acknowledge_messages (EmpathyTpChat *chat, GArray *ids) {
1336         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1337
1338         tp_cli_channel_type_text_call_acknowledge_pending_messages (
1339                 priv->channel, -1, ids, tp_chat_async_cb,
1340                 "acknowledging received message", NULL, G_OBJECT (chat));
1341 }
1342
1343 void
1344 empathy_tp_chat_acknowledge_message (EmpathyTpChat *chat,
1345                                      EmpathyMessage *message) {
1346         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1347         GArray *message_ids;
1348         GList *m;
1349         guint id;
1350
1351         g_return_if_fail (EMPATHY_IS_TP_CHAT (chat));
1352         g_return_if_fail (priv->ready);
1353
1354         if (empathy_message_get_sender (message) == priv->user)
1355                 goto out;
1356
1357         message_ids = g_array_sized_new (FALSE, FALSE, sizeof (guint), 1);
1358
1359         id = empathy_message_get_id (message);
1360         g_array_append_val (message_ids, id);
1361         acknowledge_messages (chat, message_ids);
1362         g_array_free (message_ids, TRUE);
1363
1364 out:
1365         m = g_queue_find (priv->pending_messages_queue, message);
1366         g_assert (m != NULL);
1367         g_queue_delete_link (priv->pending_messages_queue, m);
1368         g_object_unref (message);
1369 }
1370
1371 void
1372 empathy_tp_chat_acknowledge_messages (EmpathyTpChat *chat,
1373                                       const GList *messages) {
1374         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1375         /* Copy messages as the messges list (probably is) our own */
1376         GList *msgs = g_list_copy ((GList *) messages);
1377         GList *l;
1378         guint length;
1379         GArray *message_ids;
1380
1381         g_return_if_fail (EMPATHY_IS_TP_CHAT (chat));
1382         g_return_if_fail (priv->ready);
1383
1384         length = g_list_length ((GList *)messages);
1385
1386         if (length == 0)
1387                 return;
1388
1389         message_ids = g_array_sized_new (FALSE, FALSE, sizeof (guint), length);
1390
1391         for (l = msgs; l != NULL; l = g_list_next (l)) {
1392                 GList *m;
1393
1394                 EmpathyMessage *message = EMPATHY_MESSAGE (l->data);
1395
1396                 m = g_queue_find (priv->pending_messages_queue, message);
1397                 g_assert (m != NULL);
1398                 g_queue_delete_link (priv->pending_messages_queue, m);
1399
1400                 if (empathy_message_get_sender (message) != priv->user) {
1401                         guint id = empathy_message_get_id (message);
1402                         g_array_append_val (message_ids, id);
1403                 }
1404                 g_object_unref (message);
1405         }
1406
1407         if (message_ids->len > 0)
1408                 acknowledge_messages (chat, message_ids);
1409
1410         g_array_free (message_ids, TRUE);
1411         g_list_free (msgs);
1412 }
1413