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-group.h"
  32 #include "empathy-contact-factory.h"
  33 #include "empathy-contact-monitor.h"
  34 #include "empathy-contact-list.h"
  35 #include "empathy-marshal.h"
  36 #include "empathy-time.h"
  37 #include "empathy-utils.h"
  38
  39 #define DEBUG_FLAG EMPATHY_DEBUG_TP | EMPATHY_DEBUG_CHAT
  40 #include "empathy-debug.h"
  41
  42 #define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyTpChat)
  43 typedef struct {
  44         gboolean               dispose_has_run;
  45         EmpathyContactFactory *factory;
  46         EmpathyContactMonitor *contact_monitor;
  47         EmpathyContact        *user;
  48         EmpathyContact        *remote_contact;
  49         EmpathyTpGroup        *group;
  50         McAccount             *account;
  51         TpChannel             *channel;
  52         gchar                 *id;
  53         gboolean               listing_pending_messages;
  54         /* Queue of messages not signalled yet */
  55         GQueue                *messages_queue;
  56         /* Queue of messages signalled but not acked yet */
  57         GQueue                *pending_messages_queue;
  58         gboolean               had_properties_list;
  59         GPtrArray             *properties;
  60         gboolean               ready;
  61         guint                  members_count;
  62 } EmpathyTpChatPriv;
  63
  64 typedef struct {
  65         gchar          *name;
  66         guint           id;
  67         TpPropertyFlags flags;
  68         GValue         *value;
  69 } TpChatProperty;
  70
  71 static void tp_chat_iface_init         (EmpathyContactListIface *iface);
  72
  73 enum {
  74         PROP_0,
  75         PROP_CHANNEL,
  76         PROP_REMOTE_CONTACT,
  77         PROP_READY,
  78 };
  79
  80 enum {
  81         MESSAGE_RECEIVED,
  82         SEND_ERROR,
  83         CHAT_STATE_CHANGED,
  84         PROPERTY_CHANGED,
  85         DESTROY,
  86         LAST_SIGNAL
  87 };
  88
  89 static guint signals[LAST_SIGNAL];
  90
  91 G_DEFINE_TYPE_WITH_CODE (EmpathyTpChat, empathy_tp_chat, G_TYPE_OBJECT,
  92                          G_IMPLEMENT_INTERFACE (EMPATHY_TYPE_CONTACT_LIST,
  93                                                 tp_chat_iface_init));
  94
  95 static void acknowledge_messages (EmpathyTpChat *chat, GArray *ids);
  96
  97 static void
  98 tp_chat_invalidated_cb (TpProxy       *proxy,
  99                         guint          domain,
 100                         gint           code,
 101                         gchar         *message,
 102                         EmpathyTpChat *chat)
 103 {
 104         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 105
 106         g_object_unref (priv->channel);
 107         priv->channel = NULL;
 108
 109         DEBUG ("Channel invalidated: %s", message);
 110         g_signal_emit (chat, signals[DESTROY], 0);
 111
 112 }
 113
 114 static void
 115 tp_chat_async_cb (TpChannel *proxy,
 116                   const GError *error,
 117                   gpointer user_data,
 118                   GObject *weak_object)
 119 {
 120         if (error) {
 121                 DEBUG ("Error %s: %s", (gchar*) user_data, error->message);
 122         }
 123 }
 124
 125 static void
 126 tp_chat_member_added_cb (EmpathyTpGroup *group,
 127                          EmpathyContact *contact,
 128                          EmpathyContact *actor,
 129                          guint           reason,
 130                          const gchar    *message,
 131                          EmpathyTpChat  *chat)
 132 {
 133         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 134         guint              handle_type = 0;
 135
 136         if (priv->channel == NULL)
 137                 return;
 138
 139         priv->members_count++;
 140         g_signal_emit_by_name (chat, "members-changed",
 141                                contact, actor, reason, message,
 142                                TRUE);
 143
 144         g_object_get (priv->channel, "handle-type", &handle_type, NULL);
 145         if (handle_type == TP_HANDLE_TYPE_ROOM) {
 146                 return;
 147         }
 148
 149         if (priv->members_count > 2 && priv->remote_contact) {
 150                 /* We now have more than 2 members, this is not a p2p chat
 151                  * anymore. Remove the remote-contact as it makes no sense, the
 152                  * EmpathyContactList interface must be used now. */
 153                 g_object_unref (priv->remote_contact);
 154                 priv->remote_contact = NULL;
 155                 g_object_notify (G_OBJECT (chat), "remote-contact");
 156         }
 157         if (priv->members_count <= 2 && !priv->remote_contact &&
 158             !empathy_contact_is_user (contact)) {
 159                 /* This is a p2p chat, if it's not ourself that means this is
 160                  * the remote contact with who we are chatting. This is to
 161                  * avoid forcing the usage of the EmpathyContactList interface
 162                  * for p2p chats. */
 163                 priv->remote_contact = g_object_ref (contact);
 164                 g_object_notify (G_OBJECT (chat), "remote-contact");
 165         }
 166 }
 167
 168 static void
 169 tp_chat_member_removed_cb (EmpathyTpGroup *group,
 170                            EmpathyContact *contact,
 171                            EmpathyContact *actor,
 172                            guint           reason,
 173                            const gchar    *message,
 174                            EmpathyTpChat  *chat)
 175 {
 176         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 177         guint              handle_type = 0;
 178
 179         if (priv->channel == NULL)
 180                 return;
 181
 182         priv->members_count--;
 183         g_signal_emit_by_name (chat, "members-changed",
 184                                contact, actor, reason, message,
 185                                FALSE);
 186
 187         g_object_get (priv->channel, "handle-type", &handle_type, NULL);
 188         if (handle_type == TP_HANDLE_TYPE_ROOM) {
 189                 return;
 190         }
 191
 192         if (priv->members_count <= 2 && !priv->remote_contact) {
 193                 GList *members, *l;
 194
 195                 /* We are not a MUC anymore, get the remote contact back */
 196                 members = empathy_tp_group_get_members (group);
 197                 for (l = members; l; l = l->next) {
 198                         if (!empathy_contact_is_user (l->data)) {
 199                                 priv->remote_contact = g_object_ref (l->data);
 200                                 g_object_notify (G_OBJECT (chat), "remote-contact");
 201                                 break;
 202                         }
 203                 }
 204                 g_list_foreach (members, (GFunc) g_object_unref, NULL);
 205                 g_list_free (members);
 206         }
 207 }
 208
 209 static void
 210 tp_chat_local_pending_cb  (EmpathyTpGroup *group,
 211                            EmpathyContact *contact,
 212                            EmpathyContact *actor,
 213                            guint           reason,
 214                            const gchar    *message,
 215                            EmpathyTpChat  *chat)
 216 {
 217         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 218
 219         if (priv->channel == NULL)
 220                 return;
 221
 222         g_signal_emit_by_name (chat, "pendings-changed",
 223                                contact, actor, reason, message,
 224                                TRUE);
 225 }
 226
 227 static void
 228 tp_chat_add (EmpathyContactList *list,
 229              EmpathyContact     *contact,
 230              const gchar        *message)
 231 {
 232         EmpathyTpChatPriv *priv = GET_PRIV (list);
 233         TpHandle           handle;
 234         GArray             handles = {(gchar *) &handle, 1};
 235
 236         g_return_if_fail (EMPATHY_IS_TP_CHAT (list));
 237         g_return_if_fail (EMPATHY_IS_CONTACT (contact));
 238
 239         handle = empathy_contact_get_handle (contact);
 240         tp_cli_channel_interface_group_call_add_members (priv->channel, -1,
 241                                                          &handles, NULL,
 242                                                          NULL, NULL, NULL,
 243                                                          NULL);
 244 }
 245
 246 static void
 247 tp_chat_remove (EmpathyContactList *list,
 248                 EmpathyContact     *contact,
 249                 const gchar        *message)
 250 {
 251         EmpathyTpChatPriv *priv = GET_PRIV (list);
 252         TpHandle           handle;
 253         GArray             handles = {(gchar *) &handle, 1};
 254
 255         g_return_if_fail (EMPATHY_IS_TP_CHAT (list));
 256         g_return_if_fail (EMPATHY_IS_CONTACT (contact));
 257
 258         handle = empathy_contact_get_handle (contact);
 259         tp_cli_channel_interface_group_call_remove_members (priv->channel, -1,
 260                                                             &handles, NULL,
 261                                                             NULL, NULL, NULL,
 262                                                             NULL);
 263 }
 264
 265 static GList *
 266 tp_chat_get_members (EmpathyContactList *list)
 267 {
 268         EmpathyTpChatPriv *priv = GET_PRIV (list);
 269         GList             *members = NULL;
 270
 271         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (list), NULL);
 272
 273         if (priv->group) {
 274                 members = empathy_tp_group_get_members (priv->group);
 275         } else {
 276                 members = g_list_prepend (members, g_object_ref (priv->user));
 277                 members = g_list_prepend (members, g_object_ref (priv->remote_contact));
 278         }
 279
 280         return members;
 281 }
 282
 283 static EmpathyContactMonitor *
 284 tp_chat_get_monitor (EmpathyContactList *list)
 285 {
 286         EmpathyTpChatPriv *priv;
 287
 288         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (list), NULL);
 289
 290         priv = GET_PRIV (list);
 291
 292         if (priv->contact_monitor == NULL) {
 293                 priv->contact_monitor = empathy_contact_monitor_new_for_iface (list);
 294         }
 295
 296         return priv->contact_monitor;
 297 }
 298
 299 static EmpathyMessage *
 300 tp_chat_build_message (EmpathyTpChat *chat,
 301                        guint          id,
 302                        guint          type,
 303                        guint          timestamp,
 304                        guint          from_handle,
 305                        const gchar   *message_body)
 306 {
 307         EmpathyTpChatPriv *priv;
 308         EmpathyMessage    *message;
 309         EmpathyContact    *sender;
 310
 311         priv = GET_PRIV (chat);
 312
 313         if (from_handle == 0) {
 314                 sender = g_object_ref (priv->user);
 315         } else {
 316                 sender = empathy_contact_factory_get_from_handle (priv->factory,
 317                                                                   priv->account,
 318                                                                   from_handle);
 319         }
 320
 321         message = empathy_message_new (message_body);
 322         empathy_message_set_tptype (message, type);
 323         empathy_message_set_sender (message, sender);
 324         empathy_message_set_receiver (message, priv->user);
 325         empathy_message_set_timestamp (message, timestamp);
 326         empathy_message_set_id (message, id);
 327
 328         g_object_unref (sender);
 329
 330         return message;
 331 }
 332
 333 static void
 334 tp_chat_sender_ready_notify_cb (EmpathyContact *contact,
 335                                 GParamSpec     *param_spec,
 336                                 EmpathyTpChat  *chat)
 337 {
 338         EmpathyTpChatPriv   *priv = GET_PRIV (chat);
 339         EmpathyMessage      *message;
 340         EmpathyContactReady  ready;
 341         EmpathyContact      *sender = NULL;
 342         gboolean             removed = FALSE;
 343
 344         /* Emit all messages queued until we find a message with not
 345          * ready sender (in case of a MUC we could have more than one sender).
 346          * When leaving this loop, sender is the first not ready contact queued
 347          * and removed tells if at least one message got removed
 348          * from the queue. */
 349         while ((message = g_queue_peek_head (priv->messages_queue)) != NULL) {
 350                 sender = empathy_message_get_sender (message);
 351                 ready = empathy_contact_get_ready (sender);
 352
 353                 if ((ready & EMPATHY_CONTACT_READY_NAME) == 0 ||
 354                     (ready & EMPATHY_CONTACT_READY_ID) == 0) {
 355                         break;
 356                 }
 357
 358                 DEBUG ("Queued message ready");
 359                 message = g_queue_pop_head (priv->messages_queue);
 360                 g_queue_push_tail (priv->pending_messages_queue, message);
 361                 g_signal_emit (chat, signals[MESSAGE_RECEIVED], 0, message);
 362                 removed = TRUE;
 363         }
 364
 365         if (removed) {
 366                 /* We removed at least one message from the queue, disconnect
 367                  * the ready signal from the previous contact */
 368                 g_signal_handlers_disconnect_by_func (contact,
 369                                                       tp_chat_sender_ready_notify_cb,
 370                                                       chat);
 371
 372                 if (g_queue_get_length (priv->messages_queue) > 0) {
 373                         /* We still have queued message, connect the ready
 374                          * signal on the new first message sender. */
 375                         g_signal_connect (sender, "notify::ready",
 376                                           G_CALLBACK (tp_chat_sender_ready_notify_cb),
 377                                           chat);
 378                 }
 379         }
 380 }
 381
 382 static void
 383 tp_chat_emit_or_queue_message (EmpathyTpChat  *chat,
 384                                EmpathyMessage *message)
 385 {
 386         EmpathyTpChatPriv   *priv = GET_PRIV (chat);
 387         EmpathyContact      *sender;
 388         EmpathyContactReady  ready;
 389
 390         if (g_queue_get_length (priv->messages_queue) > 0) {
 391                 DEBUG ("Message queue not empty");
 392                 g_queue_push_tail (priv->messages_queue, g_object_ref (message));
 393                 return;
 394         }
 395
 396
 397         sender = empathy_message_get_sender (message);
 398         ready = empathy_contact_get_ready (sender);
 399         if ((ready & EMPATHY_CONTACT_READY_NAME) &&
 400             (ready & EMPATHY_CONTACT_READY_ID)) {
 401                 DEBUG ("Message queue empty and sender ready");
 402                 g_queue_push_tail (priv->pending_messages_queue, g_object_ref (message));
 403                 g_signal_emit (chat, signals[MESSAGE_RECEIVED], 0, message);
 404                 return;
 405         }
 406
 407         DEBUG ("Sender not ready");
 408         g_queue_push_tail (priv->messages_queue, g_object_ref (message));
 409         g_signal_connect (sender, "notify::ready",
 410                           G_CALLBACK (tp_chat_sender_ready_notify_cb),
 411                           chat);
 412 }
 413
 414 static void
 415 tp_chat_received_cb (TpChannel   *channel,
 416                      guint        message_id,
 417                      guint        timestamp,
 418                      guint        from_handle,
 419                      guint        message_type,
 420                      guint        message_flags,
 421                      const gchar *message_body,
 422                      gpointer     user_data,
 423                      GObject     *chat_)
 424 {
 425         EmpathyTpChat *chat = EMPATHY_TP_CHAT (chat_);
 426         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 427         EmpathyMessage    *message;
 428
 429         if (priv->channel == NULL)
 430                 return;
 431
 432         if (priv->listing_pending_messages) {
 433                 return;
 434         }
 435
 436         DEBUG ("Message received: %s", message_body);
 437
 438         if (message_flags & TP_CHANNEL_TEXT_MESSAGE_FLAG_NON_TEXT_CONTENT &&
 439             !tp_strdiff (message_body, "")) {
 440                 GArray *ids;
 441
 442                 DEBUG ("Empty message with NonTextContent, ignoring and acking.");
 443
 444                 ids = g_array_sized_new (FALSE, FALSE, sizeof (guint), 1);
 445                 g_array_append_val (ids, message_id);
 446                 acknowledge_messages (chat, ids);
 447                 g_array_free (ids, TRUE);
 448
 449                 return;
 450         }
 451
 452         message = tp_chat_build_message (chat,
 453                                          message_id,
 454                                          message_type,
 455                                          timestamp,
 456                                          from_handle,
 457                                          message_body);
 458
 459         tp_chat_emit_or_queue_message (chat, message);
 460         g_object_unref (message);
 461 }
 462
 463 static void
 464 tp_chat_sent_cb (TpChannel   *channel,
 465                  guint        timestamp,
 466                  guint        message_type,
 467                  const gchar *message_body,
 468                  gpointer     user_data,
 469                  GObject     *chat_)
 470 {
 471         EmpathyTpChat *chat = EMPATHY_TP_CHAT (chat_);
 472         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 473         EmpathyMessage *message;
 474
 475         if (priv->channel == NULL)
 476                 return;
 477
 478         DEBUG ("Message sent: %s", message_body);
 479
 480         message = tp_chat_build_message (chat,
 481                                          0,
 482                                          message_type,
 483                                          timestamp,
 484                                          0,
 485                                          message_body);
 486
 487         tp_chat_emit_or_queue_message (chat, message);
 488         g_object_unref (message);
 489 }
 490
 491 static void
 492 tp_chat_send_error_cb (TpChannel   *channel,
 493                        guint        error_code,
 494                        guint        timestamp,
 495                        guint        message_type,
 496                        const gchar *message_body,
 497                        gpointer     user_data,
 498                        GObject     *chat)
 499 {
 500         EmpathyMessage *message;
 501         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 502
 503         if (priv->channel == NULL)
 504                 return;
 505
 506         DEBUG ("Message sent error: %s (%d)", message_body, error_code);
 507
 508         message = tp_chat_build_message (EMPATHY_TP_CHAT (chat),
 509                                          0,
 510                                          message_type,
 511                                          timestamp,
 512                                          0,
 513                                          message_body);
 514
 515         g_signal_emit (chat, signals[SEND_ERROR], 0, message, error_code);
 516         g_object_unref (message);
 517 }
 518
 519 static void
 520 tp_chat_send_cb (TpChannel    *proxy,
 521                  const GError *error,
 522                  gpointer      user_data,
 523                  GObject      *chat)
 524 {
 525         EmpathyMessage *message = EMPATHY_MESSAGE (user_data);
 526
 527         if (error) {
 528                 DEBUG ("Error: %s", error->message);
 529                 g_signal_emit (chat, signals[SEND_ERROR], 0, message,
 530                                TP_CHANNEL_TEXT_SEND_ERROR_UNKNOWN);
 531         }
 532 }
 533
 534 static void
 535 tp_chat_state_changed_cb (TpChannel *channel,
 536                           guint      handle,
 537                           guint      state,
 538                           gpointer   user_data,
 539                           GObject   *chat)
 540 {
 541         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 542         EmpathyContact    *contact;
 543
 544         if (priv->channel == NULL)
 545                 return;
 546
 547         contact = empathy_contact_factory_get_from_handle (priv->factory,
 548                                                            priv->account,
 549                                                            handle);
 550
 551         DEBUG ("Chat state changed for %s (%d): %d",
 552                 empathy_contact_get_name (contact), handle, state);
 553
 554         g_signal_emit (chat, signals[CHAT_STATE_CHANGED], 0, contact, state);
 555         g_object_unref (contact);
 556 }
 557
 558 static void
 559 tp_chat_list_pending_messages_cb (TpChannel       *channel,
 560                                   const GPtrArray *messages_list,
 561                                   const GError    *error,
 562                                   gpointer         user_data,
 563                                   GObject         *chat_)
 564 {
 565         EmpathyTpChat     *chat = EMPATHY_TP_CHAT (chat_);
 566         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 567         guint              i;
 568         GArray            *empty_non_text_content_ids = NULL;
 569
 570         priv->listing_pending_messages = FALSE;
 571
 572         if (priv->channel == NULL)
 573                 return;
 574
 575         if (error) {
 576                 DEBUG ("Error listing pending messages: %s", error->message);
 577                 return;
 578         }
 579
 580         for (i = 0; i < messages_list->len; i++) {
 581                 EmpathyMessage *message;
 582                 GValueArray    *message_struct;
 583                 const gchar    *message_body;
 584                 guint           message_id;
 585                 guint           timestamp;
 586                 guint           from_handle;
 587                 guint           message_type;
 588                 guint           message_flags;
 589
 590                 message_struct = g_ptr_array_index (messages_list, i);
 591
 592                 message_id = g_value_get_uint (g_value_array_get_nth (message_struct, 0));
 593                 timestamp = g_value_get_uint (g_value_array_get_nth (message_struct, 1));
 594                 from_handle = g_value_get_uint (g_value_array_get_nth (message_struct, 2));
 595                 message_type = g_value_get_uint (g_value_array_get_nth (message_struct, 3));
 596                 message_flags = g_value_get_uint (g_value_array_get_nth (message_struct, 4));
 597                 message_body = g_value_get_string (g_value_array_get_nth (message_struct, 5));
 598
 599                 DEBUG ("Message pending: %s", message_body);
 600
 601                 if (message_flags & TP_CHANNEL_TEXT_MESSAGE_FLAG_NON_TEXT_CONTENT &&
 602                     !tp_strdiff (message_body, "")) {
 603                         DEBUG ("Empty message with NonTextContent, ignoring and acking.");
 604
 605                         if (empty_non_text_content_ids == NULL) {
 606                                 empty_non_text_content_ids = g_array_new (FALSE, FALSE, sizeof (guint));
 607                         }
 608
 609                         g_array_append_val (empty_non_text_content_ids, message_id);
 610                         continue;
 611                 }
 612
 613                 message = tp_chat_build_message (chat,
 614                                                  message_id,
 615                                                  message_type,
 616                                                  timestamp,
 617                                                  from_handle,
 618                                                  message_body);
 619
 620                 tp_chat_emit_or_queue_message (chat, message);
 621                 g_object_unref (message);
 622         }
 623
 624         if (empty_non_text_content_ids != NULL) {
 625                 acknowledge_messages (chat, empty_non_text_content_ids);
 626                 g_array_free (empty_non_text_content_ids, TRUE);
 627         }
 628 }
 629
 630 static void
 631 tp_chat_property_flags_changed_cb (TpProxy         *proxy,
 632                                    const GPtrArray *properties,
 633                                    gpointer         user_data,
 634                                    GObject         *chat)
 635 {
 636         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 637         guint              i, j;
 638
 639         if (priv->channel == NULL)
 640                 return;
 641
 642         if (!priv->had_properties_list || !properties) {
 643                 return;
 644         }
 645
 646         for (i = 0; i < properties->len; i++) {
 647                 GValueArray    *prop_struct;
 648                 TpChatProperty *property;
 649                 guint           id;
 650                 guint           flags;
 651
 652                 prop_struct = g_ptr_array_index (properties, i);
 653                 id = g_value_get_uint (g_value_array_get_nth (prop_struct, 0));
 654                 flags = g_value_get_uint (g_value_array_get_nth (prop_struct, 1));
 655
 656                 for (j = 0; j < priv->properties->len; j++) {
 657                         property = g_ptr_array_index (priv->properties, j);
 658                         if (property->id == id) {
 659                                 property->flags = flags;
 660                                 DEBUG ("property %s flags changed: %d",
 661                                         property->name, property->flags);
 662                                 break;
 663                         }
 664                 }
 665         }
 666 }
 667
 668 static void
 669 tp_chat_properties_changed_cb (TpProxy         *proxy,
 670                                const GPtrArray *properties,
 671                                gpointer         user_data,
 672                                GObject         *chat)
 673 {
 674         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 675         guint              i, j;
 676
 677         if (priv->channel == NULL)
 678                 return;
 679
 680         if (!priv->had_properties_list || !properties) {
 681                 return;
 682         }
 683
 684         for (i = 0; i < properties->len; i++) {
 685                 GValueArray    *prop_struct;
 686                 TpChatProperty *property;
 687                 guint           id;
 688                 GValue         *src_value;
 689
 690                 prop_struct = g_ptr_array_index (properties, i);
 691                 id = g_value_get_uint (g_value_array_get_nth (prop_struct, 0));
 692                 src_value = g_value_get_boxed (g_value_array_get_nth (prop_struct, 1));
 693
 694                 for (j = 0; j < priv->properties->len; j++) {
 695                         property = g_ptr_array_index (priv->properties, j);
 696                         if (property->id == id) {
 697                                 if (property->value) {
 698                                         g_value_copy (src_value, property->value);
 699                                 } else {
 700                                         property->value = tp_g_value_slice_dup (src_value);
 701                                 }
 702
 703                                 DEBUG ("property %s changed", property->name);
 704                                 g_signal_emit (chat, signals[PROPERTY_CHANGED], 0,
 705                                                property->name, property->value);
 706                                 break;
 707                         }
 708                 }
 709         }
 710 }
 711
 712 static void
 713 tp_chat_get_properties_cb (TpProxy         *proxy,
 714                            const GPtrArray *properties,
 715                            const GError    *error,
 716                            gpointer         user_data,
 717                            GObject         *chat)
 718 {
 719         if (error) {
 720                 DEBUG ("Error getting properties: %s", error->message);
 721                 return;
 722         }
 723
 724         tp_chat_properties_changed_cb (proxy, properties, user_data, chat);
 725 }
 726
 727 static void
 728 tp_chat_list_properties_cb (TpProxy         *proxy,
 729                             const GPtrArray *properties,
 730                             const GError    *error,
 731                             gpointer         user_data,
 732                             GObject         *chat)
 733 {
 734         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 735         GArray            *ids;
 736         guint              i;
 737
 738         if (priv->channel == NULL)
 739                 return;
 740
 741         priv->had_properties_list = TRUE;
 742
 743         if (error) {
 744                 DEBUG ("Error listing properties: %s", error->message);
 745                 return;
 746         }
 747
 748         ids = g_array_sized_new (FALSE, FALSE, sizeof (guint), properties->len);
 749         priv->properties = g_ptr_array_sized_new (properties->len);
 750         for (i = 0; i < properties->len; i++) {
 751                 GValueArray    *prop_struct;
 752                 TpChatProperty *property;
 753
 754                 prop_struct = g_ptr_array_index (properties, i);
 755                 property = g_slice_new0 (TpChatProperty);
 756                 property->id = g_value_get_uint (g_value_array_get_nth (prop_struct, 0));
 757                 property->name = g_value_dup_string (g_value_array_get_nth (prop_struct, 1));
 758                 property->flags = g_value_get_uint (g_value_array_get_nth (prop_struct, 3));
 759
 760                 DEBUG ("Adding property name=%s id=%d flags=%d",
 761                         property->name, property->id, property->flags);
 762                 g_ptr_array_add (priv->properties, property);
 763                 if (property->flags & TP_PROPERTY_FLAG_READ) {
 764                         g_array_append_val (ids, property->id);
 765                 }
 766         }
 767
 768         tp_cli_properties_interface_call_get_properties (proxy, -1,
 769                                                          ids,
 770                                                          tp_chat_get_properties_cb,
 771                                                          NULL, NULL,
 772                                                          chat);
 773
 774         g_array_free (ids, TRUE);
 775 }
 776
 777 void
 778 empathy_tp_chat_set_property (EmpathyTpChat *chat,
 779                               const gchar   *name,
 780                               const GValue  *value)
 781 {
 782         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 783         TpChatProperty    *property;
 784         guint              i;
 785
 786         g_return_if_fail (priv->ready);
 787
 788         for (i = 0; i < priv->properties->len; i++) {
 789                 property = g_ptr_array_index (priv->properties, i);
 790                 if (!tp_strdiff (property->name, name)) {
 791                         GPtrArray   *properties;
 792                         GValueArray *prop;
 793                         GValue       id = {0, };
 794                         GValue       dest_value = {0, };
 795
 796                         if (!(property->flags & TP_PROPERTY_FLAG_WRITE)) {
 797                                 break;
 798                         }
 799
 800                         g_value_init (&id, G_TYPE_UINT);
 801                         g_value_init (&dest_value, G_TYPE_VALUE);
 802                         g_value_set_uint (&id, property->id);
 803                         g_value_set_boxed (&dest_value, value);
 804
 805                         prop = g_value_array_new (2);
 806                         g_value_array_append (prop, &id);
 807                         g_value_array_append (prop, &dest_value);
 808
 809                         properties = g_ptr_array_sized_new (1);
 810                         g_ptr_array_add (properties, prop);
 811
 812                         DEBUG ("Set property %s", name);
 813                         tp_cli_properties_interface_call_set_properties (priv->channel, -1,
 814                                                                          properties,
 815                                                                          (tp_cli_properties_interface_callback_for_set_properties)
 816                                                                          tp_chat_async_cb,
 817                                                                          "Seting property", NULL,
 818                                                                          G_OBJECT (chat));
 819
 820                         g_ptr_array_free (properties, TRUE);
 821                         g_value_array_free (prop);
 822
 823                         break;
 824                 }
 825         }
 826 }
 827
 828 static void
 829 tp_chat_channel_ready_cb (EmpathyTpChat *chat)
 830 {
 831         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 832         TpConnection      *connection;
 833         guint              handle, handle_type;
 834
 835         if (priv->channel == NULL)
 836                 return;
 837
 838         DEBUG ("Channel ready");
 839
 840         g_object_get (priv->channel,
 841                       "connection", &connection,
 842                       "handle", &handle,
 843                       "handle_type", &handle_type,
 844                       NULL);
 845
 846         if (handle_type != TP_HANDLE_TYPE_NONE && handle != 0) {
 847                 GArray *handles;
 848                 gchar **names;
 849
 850                 handles = g_array_new (FALSE, FALSE, sizeof (guint));
 851                 g_array_append_val (handles, handle);
 852                 tp_cli_connection_run_inspect_handles (connection, -1,
 853                                                        handle_type, handles,
 854                                                        &names, NULL, NULL);
 855                 priv->id = *names;
 856                 g_array_free (handles, TRUE);
 857                 g_free (names);
 858         }
 859
 860         if (handle_type == TP_HANDLE_TYPE_CONTACT && handle != 0) {
 861                 priv->remote_contact = empathy_contact_factory_get_from_handle (priv->factory,
 862                                                                                 priv->account,
 863                                                                                 handle);
 864                 g_object_notify (G_OBJECT (chat), "remote-contact");
 865         }
 866
 867         if (tp_proxy_has_interface_by_id (priv->channel,
 868                                           TP_IFACE_QUARK_CHANNEL_INTERFACE_GROUP)) {
 869                 priv->group = empathy_tp_group_new (priv->channel);
 870
 871                 g_signal_connect (priv->group, "member-added",
 872                                   G_CALLBACK (tp_chat_member_added_cb),
 873                                   chat);
 874                 g_signal_connect (priv->group, "member-removed",
 875                                   G_CALLBACK (tp_chat_member_removed_cb),
 876                                   chat);
 877                 g_signal_connect (priv->group, "local-pending",
 878                                   G_CALLBACK (tp_chat_local_pending_cb),
 879                                   chat);
 880                 empathy_run_until_ready (priv->group);
 881         } else {
 882                 priv->members_count = 2;
 883         }
 884
 885         if (tp_proxy_has_interface_by_id (priv->channel,
 886                                           TP_IFACE_QUARK_PROPERTIES_INTERFACE)) {
 887                 tp_cli_properties_interface_call_list_properties (priv->channel, -1,
 888                                                                   tp_chat_list_properties_cb,
 889                                                                   NULL, NULL,
 890                                                                   G_OBJECT (chat));
 891                 tp_cli_properties_interface_connect_to_properties_changed (priv->channel,
 892                                                                            tp_chat_properties_changed_cb,
 893                                                                            NULL, NULL,
 894                                                                            G_OBJECT (chat), NULL);
 895                 tp_cli_properties_interface_connect_to_property_flags_changed (priv->channel,
 896                                                                                tp_chat_property_flags_changed_cb,
 897                                                                                NULL, NULL,
 898                                                                                G_OBJECT (chat), NULL);
 899         }
 900
 901         priv->listing_pending_messages = TRUE;
 902         tp_cli_channel_type_text_call_list_pending_messages (priv->channel, -1,
 903                                                              FALSE,
 904                                                              tp_chat_list_pending_messages_cb,
 905                                                              NULL, NULL,
 906                                                              G_OBJECT (chat));
 907
 908         tp_cli_channel_type_text_connect_to_received (priv->channel,
 909                                                       tp_chat_received_cb,
 910                                                       NULL, NULL,
 911                                                       G_OBJECT (chat), NULL);
 912         tp_cli_channel_type_text_connect_to_sent (priv->channel,
 913                                                   tp_chat_sent_cb,
 914                                                   NULL, NULL,
 915                                                   G_OBJECT (chat), NULL);
 916         tp_cli_channel_type_text_connect_to_send_error (priv->channel,
 917                                                         tp_chat_send_error_cb,
 918                                                         NULL, NULL,
 919                                                         G_OBJECT (chat), NULL);
 920         tp_cli_channel_interface_chat_state_connect_to_chat_state_changed (priv->channel,
 921                                                                            tp_chat_state_changed_cb,
 922                                                                            NULL, NULL,
 923                                                                            G_OBJECT (chat), NULL);
 924         tp_cli_channel_interface_chat_state_connect_to_chat_state_changed (priv->channel,
 925                                                                            tp_chat_state_changed_cb,
 926                                                                            NULL, NULL,
 927                                                                            G_OBJECT (chat), NULL);
 928
 929         priv->ready = TRUE;
 930         g_object_notify (G_OBJECT (chat), "ready");
 931 }
 932
 933 static void
 934 tp_chat_dispose (GObject *object)
 935 {
 936         EmpathyTpChat *self = EMPATHY_TP_CHAT (object);
 937         EmpathyTpChatPriv *priv = GET_PRIV (self);
 938
 939         if (priv->dispose_has_run)
 940                 return;
 941
 942         priv->dispose_has_run = TRUE;
 943
 944         if (priv->channel != NULL)
 945                 {
 946                         g_signal_handlers_disconnect_by_func (priv->channel,
 947                                 tp_chat_invalidated_cb, self);
 948                         g_object_unref (priv->channel);
 949                         priv->channel = NULL;
 950                 }
 951
 952         if (priv->remote_contact != NULL)
 953                 g_object_unref (priv->remote_contact);
 954
 955         priv->remote_contact = NULL;
 956
 957         if (priv->group != NULL)
 958                 g_object_unref (priv->group);
 959         priv->group = NULL;
 960
 961         if (priv->factory != NULL)
 962                 g_object_unref (priv->factory);
 963         priv->factory = NULL;
 964
 965         if (priv->user != NULL);
 966                 g_object_unref (priv->user);
 967         priv->user = NULL;
 968
 969         if (priv->account != NULL);
 970                 g_object_unref (priv->account);
 971         priv->account = NULL;
 972
 973         if (priv->contact_monitor)
 974                 g_object_unref (priv->contact_monitor);
 975         priv->contact_monitor = NULL;
 976
 977         if (!g_queue_is_empty (priv->messages_queue)) {
 978                 EmpathyMessage *message;
 979                 EmpathyContact *contact;
 980
 981                 message = g_queue_peek_head (priv->messages_queue);
 982                 contact = empathy_message_get_sender (message);
 983                 g_signal_handlers_disconnect_by_func (contact,
 984                 tp_chat_sender_ready_notify_cb, object);
 985         }
 986
 987         g_list_foreach (priv->messages_queue->head,
 988                 (GFunc) g_object_unref, NULL);
 989
 990         g_list_foreach (priv->pending_messages_queue->head,
 991                 (GFunc) g_object_unref, NULL);
 992
 993         if (G_OBJECT_CLASS (empathy_tp_chat_parent_class)->dispose)
 994                 G_OBJECT_CLASS (empathy_tp_chat_parent_class)->dispose (object);
 995 }
 996
 997 static void
 998 tp_chat_finalize (GObject *object)
 999 {
1000         EmpathyTpChatPriv *priv = GET_PRIV (object);
1001         guint              i;
1002
1003         DEBUG ("Finalize: %p", object);
1004
1005         if (priv->properties) {
1006                 for (i = 0; i < priv->properties->len; i++) {
1007                         TpChatProperty *property;
1008
1009                         property = g_ptr_array_index (priv->properties, i);
1010                         g_free (property->name);
1011                         if (property->value) {
1012                                 tp_g_value_slice_free (property->value);
1013                         }
1014                         g_slice_free (TpChatProperty, property);
1015                 }
1016                 g_ptr_array_free (priv->properties, TRUE);
1017         }
1018
1019
1020         g_free (priv->id);
1021         g_queue_free (priv->messages_queue);
1022         g_queue_free (priv->pending_messages_queue);
1023
1024         G_OBJECT_CLASS (empathy_tp_chat_parent_class)->finalize (object);
1025 }
1026
1027 static GObject *
1028 tp_chat_constructor (GType                  type,
1029                      guint                  n_props,
1030                      GObjectConstructParam *props)
1031 {
1032         GObject           *chat;
1033         EmpathyTpChatPriv *priv;
1034         gboolean           channel_ready;
1035
1036         chat = G_OBJECT_CLASS (empathy_tp_chat_parent_class)->constructor (type, n_props, props);
1037
1038         priv = GET_PRIV (chat);
1039         priv->account = empathy_channel_get_account (priv->channel);
1040         priv->factory = empathy_contact_factory_dup_singleton ();
1041         priv->user = empathy_contact_factory_get_user (priv->factory, priv->account);
1042
1043         g_signal_connect (priv->channel, "invalidated",
1044                           G_CALLBACK (tp_chat_invalidated_cb),
1045                           chat);
1046
1047         g_object_get (priv->channel, "channel-ready", &channel_ready, NULL);
1048         if (channel_ready) {
1049                 tp_chat_channel_ready_cb (EMPATHY_TP_CHAT (chat));
1050         } else {
1051                 g_signal_connect_swapped (priv->channel, "notify::channel-ready",
1052                                           G_CALLBACK (tp_chat_channel_ready_cb),
1053                                           chat);
1054         }
1055
1056         return chat;
1057 }
1058
1059 static void
1060 tp_chat_get_property (GObject    *object,
1061                       guint       param_id,
1062                       GValue     *value,
1063                       GParamSpec *pspec)
1064 {
1065         EmpathyTpChatPriv *priv = GET_PRIV (object);
1066
1067         switch (param_id) {
1068         case PROP_CHANNEL:
1069                 g_value_set_object (value, priv->channel);
1070                 break;
1071         case PROP_REMOTE_CONTACT:
1072                 g_value_set_object (value, priv->remote_contact);
1073                 break;
1074         case PROP_READY:
1075                 g_value_set_boolean (value, priv->ready);
1076                 break;
1077         default:
1078                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
1079                 break;
1080         };
1081 }
1082
1083 static void
1084 tp_chat_set_property (GObject      *object,
1085                       guint         param_id,
1086                       const GValue *value,
1087                       GParamSpec   *pspec)
1088 {
1089         EmpathyTpChatPriv *priv = GET_PRIV (object);
1090
1091         switch (param_id) {
1092         case PROP_CHANNEL:
1093                 priv->channel = g_value_dup_object (value);
1094                 break;
1095         default:
1096                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
1097                 break;
1098         };
1099 }
1100
1101 static void
1102 empathy_tp_chat_class_init (EmpathyTpChatClass *klass)
1103 {
1104         GObjectClass *object_class = G_OBJECT_CLASS (klass);
1105
1106         object_class->dispose = tp_chat_dispose;
1107         object_class->finalize = tp_chat_finalize;
1108         object_class->constructor = tp_chat_constructor;
1109         object_class->get_property = tp_chat_get_property;
1110         object_class->set_property = tp_chat_set_property;
1111
1112         g_object_class_install_property (object_class,
1113                                          PROP_CHANNEL,
1114                                          g_param_spec_object ("channel",
1115                                                               "telepathy channel",
1116                                                               "The text channel for the chat",
1117                                                               TP_TYPE_CHANNEL,
1118                                                               G_PARAM_READWRITE |
1119                                                               G_PARAM_CONSTRUCT_ONLY));
1120
1121         g_object_class_install_property (object_class,
1122                                          PROP_REMOTE_CONTACT,
1123                                          g_param_spec_object ("remote-contact",
1124                                                               "The remote contact",
1125                                                               "The remote contact if there is no group iface on the channel",
1126                                                               EMPATHY_TYPE_CONTACT,
1127                                                               G_PARAM_READABLE));
1128         g_object_class_install_property (object_class,
1129                                          PROP_READY,
1130                                          g_param_spec_boolean ("ready",
1131                                                                "Is the object ready",
1132                                                                "This object can't be used until this becomes true",
1133                                                                FALSE,
1134                                                                G_PARAM_READABLE));
1135
1136         /* Signals */
1137         signals[MESSAGE_RECEIVED] =
1138                 g_signal_new ("message-received",
1139                               G_TYPE_FROM_CLASS (klass),
1140                               G_SIGNAL_RUN_LAST,
1141                               0,
1142                               NULL, NULL,
1143                               g_cclosure_marshal_VOID__OBJECT,
1144                               G_TYPE_NONE,
1145                               1, EMPATHY_TYPE_MESSAGE);
1146
1147         signals[SEND_ERROR] =
1148                 g_signal_new ("send-error",
1149                               G_TYPE_FROM_CLASS (klass),
1150                               G_SIGNAL_RUN_LAST,
1151                               0,
1152                               NULL, NULL,
1153                               _empathy_marshal_VOID__OBJECT_UINT,
1154                               G_TYPE_NONE,
1155                               2, EMPATHY_TYPE_MESSAGE, G_TYPE_UINT);
1156
1157         signals[CHAT_STATE_CHANGED] =
1158                 g_signal_new ("chat-state-changed",
1159                               G_TYPE_FROM_CLASS (klass),
1160                               G_SIGNAL_RUN_LAST,
1161                               0,
1162                               NULL, NULL,
1163                               _empathy_marshal_VOID__OBJECT_UINT,
1164                               G_TYPE_NONE,
1165                               2, EMPATHY_TYPE_CONTACT, G_TYPE_UINT);
1166
1167         signals[PROPERTY_CHANGED] =
1168                 g_signal_new ("property-changed",
1169                               G_TYPE_FROM_CLASS (klass),
1170                               G_SIGNAL_RUN_LAST,
1171                               0,
1172                               NULL, NULL,
1173                               _empathy_marshal_VOID__STRING_BOXED,
1174                               G_TYPE_NONE,
1175                               2, G_TYPE_STRING, G_TYPE_VALUE);
1176
1177         signals[DESTROY] =
1178                 g_signal_new ("destroy",
1179                               G_TYPE_FROM_CLASS (klass),
1180                               G_SIGNAL_RUN_LAST,
1181                               0,
1182                               NULL, NULL,
1183                               g_cclosure_marshal_VOID__VOID,
1184                               G_TYPE_NONE,
1185                               0);
1186
1187         g_type_class_add_private (object_class, sizeof (EmpathyTpChatPriv));
1188 }
1189
1190 static void
1191 empathy_tp_chat_init (EmpathyTpChat *chat)
1192 {
1193         EmpathyTpChatPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (chat,
1194                 EMPATHY_TYPE_TP_CHAT, EmpathyTpChatPriv);
1195
1196         chat->priv = priv;
1197         priv->contact_monitor = NULL;
1198         priv->messages_queue = g_queue_new ();
1199         priv->pending_messages_queue = g_queue_new ();
1200 }
1201
1202 static void
1203 tp_chat_iface_init (EmpathyContactListIface *iface)
1204 {
1205         iface->add         = tp_chat_add;
1206         iface->remove      = tp_chat_remove;
1207         iface->get_members = tp_chat_get_members;
1208         iface->get_monitor = tp_chat_get_monitor;
1209 }
1210
1211 EmpathyTpChat *
1212 empathy_tp_chat_new (TpChannel *channel)
1213 {
1214         return g_object_new (EMPATHY_TYPE_TP_CHAT,
1215                              "channel", channel,
1216                              NULL);
1217 }
1218
1219 void
1220 empathy_tp_chat_close (EmpathyTpChat *chat) {
1221         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1222
1223         /* If there are still messages left, it'll come back..
1224            We loose the ordering of sent messages though */
1225         g_signal_handlers_disconnect_by_func (priv->channel,
1226                 tp_chat_invalidated_cb, chat);
1227
1228         tp_cli_channel_call_close (priv->channel, -1, tp_chat_async_cb,
1229                 "closing channel", NULL, NULL);
1230
1231         g_object_unref (priv->channel);
1232         priv->channel = NULL;
1233
1234         g_signal_emit (chat, signals[DESTROY], 0);
1235 }
1236
1237 const gchar *
1238 empathy_tp_chat_get_id (EmpathyTpChat *chat)
1239 {
1240         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1241
1242         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (chat), NULL);
1243         g_return_val_if_fail (priv->ready, NULL);
1244
1245         return priv->id;
1246 }
1247
1248 EmpathyContact *
1249 empathy_tp_chat_get_remote_contact (EmpathyTpChat *chat)
1250 {
1251         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1252
1253         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (chat), NULL);
1254
1255         return priv->remote_contact;
1256 }
1257
1258 McAccount *
1259 empathy_tp_chat_get_account (EmpathyTpChat *chat)
1260 {
1261         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1262
1263         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (chat), FALSE);
1264
1265         return priv->account;
1266 }
1267
1268 TpChannel *
1269 empathy_tp_chat_get_channel (EmpathyTpChat *chat)
1270 {
1271         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1272
1273         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (chat), NULL);
1274
1275         return priv->channel;
1276 }
1277
1278 gboolean
1279 empathy_tp_chat_is_ready (EmpathyTpChat *chat)
1280 {
1281         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1282
1283         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (chat), FALSE);
1284
1285         return priv->ready;
1286 }
1287
1288 guint
1289 empathy_tp_chat_get_members_count (EmpathyTpChat *chat)
1290 {
1291         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1292
1293         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (chat), 0);
1294
1295         return priv->members_count;
1296 }
1297
1298 void
1299 empathy_tp_chat_send (EmpathyTpChat *chat,
1300                       EmpathyMessage *message)
1301 {
1302         EmpathyTpChatPriv        *priv = GET_PRIV (chat);
1303         const gchar              *message_body;
1304         TpChannelTextMessageType  message_type;
1305
1306         g_return_if_fail (EMPATHY_IS_TP_CHAT (chat));
1307         g_return_if_fail (EMPATHY_IS_MESSAGE (message));
1308         g_return_if_fail (priv->ready);
1309
1310         message_body = empathy_message_get_body (message);
1311         message_type = empathy_message_get_tptype (message);
1312
1313         DEBUG ("Sending message: %s", message_body);
1314         tp_cli_channel_type_text_call_send (priv->channel, -1,
1315                                             message_type,
1316                                             message_body,
1317                                             tp_chat_send_cb,
1318                                             g_object_ref (message),
1319                                             (GDestroyNotify) g_object_unref,
1320                                             G_OBJECT (chat));
1321 }
1322
1323 void
1324 empathy_tp_chat_set_state (EmpathyTpChat      *chat,
1325                            TpChannelChatState  state)
1326 {
1327         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1328
1329         g_return_if_fail (EMPATHY_IS_TP_CHAT (chat));
1330         g_return_if_fail (priv->ready);
1331
1332         DEBUG ("Set state: %d", state);
1333         tp_cli_channel_interface_chat_state_call_set_chat_state (priv->channel, -1,
1334                                                                  state,
1335                                                                  tp_chat_async_cb,
1336                                                                  "setting chat state",
1337                                                                  NULL,
1338                                                                  G_OBJECT (chat));
1339 }
1340
1341
1342 const GList *
1343 empathy_tp_chat_get_pending_messages (EmpathyTpChat *chat)
1344 {
1345         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1346
1347         return priv->pending_messages_queue->head;
1348 }
1349
1350 static void
1351 acknowledge_messages (EmpathyTpChat *chat, GArray *ids) {
1352         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1353
1354         tp_cli_channel_type_text_call_acknowledge_pending_messages (
1355                 priv->channel, -1, ids, tp_chat_async_cb,
1356                 "acknowledging received message", NULL, G_OBJECT (chat));
1357 }
1358
1359 void
1360 empathy_tp_chat_acknowledge_message (EmpathyTpChat *chat,
1361                                      EmpathyMessage *message) {
1362         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1363         GArray *message_ids;
1364         GList *m;
1365         guint id;
1366
1367         if (empathy_message_get_sender (message) == priv->user)
1368                 goto out;
1369
1370         message_ids = g_array_sized_new (FALSE, FALSE, sizeof (guint), 1);
1371
1372         id = empathy_message_get_id (message);
1373         g_array_append_val (message_ids, id);
1374         acknowledge_messages (chat, message_ids);
1375         g_array_free (message_ids, TRUE);
1376
1377 out:
1378         m = g_queue_find (priv->pending_messages_queue, message);
1379         g_assert (m != NULL);
1380         g_queue_delete_link (priv->pending_messages_queue, m);
1381         g_object_unref (message);
1382 }
1383
1384 void
1385 empathy_tp_chat_acknowledge_messages (EmpathyTpChat *chat,
1386                                       const GList *messages) {
1387         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1388         /* Copy messages as the messges list (probably is) our own */
1389         GList *msgs = g_list_copy ((GList *) messages);
1390         GList *l;
1391         guint length;
1392         GArray *message_ids;
1393
1394         length = g_list_length ((GList *)messages);
1395
1396         if (length == 0)
1397                 return;
1398
1399         message_ids = g_array_sized_new (FALSE, FALSE, sizeof (guint), length);
1400
1401         for (l = msgs; l != NULL; l = g_list_next (l)) {
1402                 GList *m;
1403
1404                 EmpathyMessage *message = EMPATHY_MESSAGE (l->data);
1405
1406                 m = g_queue_find (priv->pending_messages_queue, message);
1407                 g_assert (m != NULL);
1408                 g_queue_delete_link (priv->pending_messages_queue, m);
1409
1410                 if (empathy_message_get_sender (message) != priv->user) {
1411                         guint id = empathy_message_get_id (message);
1412                         g_array_append_val (message_ids, id);
1413                 }
1414         }
1415
1416         if (message_ids->len > 0)
1417                 acknowledge_messages (chat, message_ids);
1418
1419         g_array_free (message_ids, TRUE);
1420         g_list_free (msgs);
1421 }