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         DEBUG ("Channel invalidated: %s", message);
 101         g_signal_emit (chat, signals[DESTROY], 0);
 102 }
 103
 104 static void
 105 tp_chat_async_cb (TpChannel *proxy,
 106                   const GError *error,
 107                   gpointer user_data,
 108                   GObject *weak_object)
 109 {
 110         if (error) {
 111                 DEBUG ("Error %s: %s", (gchar *) user_data, error->message);
 112         }
 113 }
 114
 115 static void
 116 tp_chat_add (EmpathyContactList *list,
 117              EmpathyContact     *contact,
 118              const gchar        *message)
 119 {
 120         EmpathyTpChatPriv *priv = GET_PRIV (list);
 121         TpHandle           handle;
 122         GArray             handles = {(gchar *) &handle, 1};
 123
 124         g_return_if_fail (EMPATHY_IS_TP_CHAT (list));
 125         g_return_if_fail (EMPATHY_IS_CONTACT (contact));
 126
 127         handle = empathy_contact_get_handle (contact);
 128         tp_cli_channel_interface_group_call_add_members (priv->channel, -1,
 129                                                          &handles, NULL,
 130                                                          NULL, NULL, NULL,
 131                                                          NULL);
 132 }
 133
 134 static void
 135 tp_chat_remove (EmpathyContactList *list,
 136                 EmpathyContact     *contact,
 137                 const gchar        *message)
 138 {
 139         EmpathyTpChatPriv *priv = GET_PRIV (list);
 140         TpHandle           handle;
 141         GArray             handles = {(gchar *) &handle, 1};
 142
 143         g_return_if_fail (EMPATHY_IS_TP_CHAT (list));
 144         g_return_if_fail (EMPATHY_IS_CONTACT (contact));
 145
 146         handle = empathy_contact_get_handle (contact);
 147         tp_cli_channel_interface_group_call_remove_members (priv->channel, -1,
 148                                                             &handles, NULL,
 149                                                             NULL, NULL, NULL,
 150                                                             NULL);
 151 }
 152
 153 static GList *
 154 tp_chat_get_members (EmpathyContactList *list)
 155 {
 156         EmpathyTpChatPriv *priv = GET_PRIV (list);
 157         GList             *members = NULL;
 158
 159         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (list), NULL);
 160
 161         if (priv->members) {
 162                 members = g_list_copy (priv->members);
 163                 g_list_foreach (members, (GFunc) g_object_ref, NULL);
 164         } else {
 165                 members = g_list_prepend (members, g_object_ref (priv->user));
 166                 members = g_list_prepend (members, g_object_ref (priv->remote_contact));
 167         }
 168
 169         return members;
 170 }
 171
 172 static EmpathyContactMonitor *
 173 tp_chat_get_monitor (EmpathyContactList *list)
 174 {
 175         EmpathyTpChatPriv *priv;
 176
 177         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (list), NULL);
 178
 179         priv = GET_PRIV (list);
 180
 181         if (priv->contact_monitor == NULL) {
 182                 priv->contact_monitor = empathy_contact_monitor_new_for_iface (list);
 183         }
 184
 185         return priv->contact_monitor;
 186 }
 187
 188 static void
 189 tp_chat_emit_queued_messages (EmpathyTpChat *chat)
 190 {
 191         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 192         EmpathyMessage    *message;
 193
 194         /* Check if we can now emit some queued messages */
 195         while ((message = g_queue_peek_head (priv->messages_queue)) != NULL) {
 196                 if (empathy_message_get_sender (message) == NULL) {
 197                         break;
 198                 }
 199
 200                 DEBUG ("Queued message ready");
 201                 g_queue_pop_head (priv->messages_queue);
 202                 g_queue_push_tail (priv->pending_messages_queue, message);
 203                 g_signal_emit (chat, signals[MESSAGE_RECEIVED], 0, message);
 204         }
 205 }
 206
 207 static void
 208 tp_chat_got_sender_cb (EmpathyTpContactFactory *factory,
 209                        EmpathyContact          *contact,
 210                        const GError            *error,
 211                        gpointer                 message,
 212                        GObject                 *chat)
 213 {
 214         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 215
 216         if (error) {
 217                 DEBUG ("Error: %s", error->message);
 218                 /* Do not block the message queue, just drop this message */
 219                 g_queue_remove (priv->messages_queue, message);
 220         } else {
 221                 empathy_message_set_sender (message, contact);
 222         }
 223
 224         tp_chat_emit_queued_messages (EMPATHY_TP_CHAT (chat));
 225 }
 226
 227 static void
 228 tp_chat_build_message (EmpathyTpChat *chat,
 229                        guint          id,
 230                        guint          type,
 231                        guint          timestamp,
 232                        guint          from_handle,
 233                        const gchar   *message_body)
 234 {
 235         EmpathyTpChatPriv *priv;
 236         EmpathyMessage    *message;
 237
 238         priv = GET_PRIV (chat);
 239
 240         message = empathy_message_new (message_body);
 241         empathy_message_set_tptype (message, type);
 242         empathy_message_set_receiver (message, priv->user);
 243         empathy_message_set_timestamp (message, timestamp);
 244         empathy_message_set_id (message, id);
 245         g_queue_push_tail (priv->messages_queue, message);
 246
 247         if (from_handle == 0) {
 248                 empathy_message_set_sender (message, priv->user);
 249                 tp_chat_emit_queued_messages (chat);
 250         } else {
 251                 empathy_tp_contact_factory_get_from_handle (priv->factory,
 252                         from_handle,
 253                         tp_chat_got_sender_cb,
 254                         message, NULL, G_OBJECT (chat));
 255         }
 256 }
 257
 258 static void
 259 tp_chat_received_cb (TpChannel   *channel,
 260                      guint        message_id,
 261                      guint        timestamp,
 262                      guint        from_handle,
 263                      guint        message_type,
 264                      guint        message_flags,
 265                      const gchar *message_body,
 266                      gpointer     user_data,
 267                      GObject     *chat_)
 268 {
 269         EmpathyTpChat *chat = EMPATHY_TP_CHAT (chat_);
 270         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 271
 272         if (priv->channel == NULL)
 273                 return;
 274
 275         if (priv->listing_pending_messages) {
 276                 return;
 277         }
 278
 279         DEBUG ("Message received: %s", message_body);
 280
 281         if (message_flags & TP_CHANNEL_TEXT_MESSAGE_FLAG_NON_TEXT_CONTENT &&
 282             !tp_strdiff (message_body, "")) {
 283                 GArray *ids;
 284
 285                 DEBUG ("Empty message with NonTextContent, ignoring and acking.");
 286
 287                 ids = g_array_sized_new (FALSE, FALSE, sizeof (guint), 1);
 288                 g_array_append_val (ids, message_id);
 289                 acknowledge_messages (chat, ids);
 290                 g_array_free (ids, TRUE);
 291
 292                 return;
 293         }
 294
 295         tp_chat_build_message (chat,
 296                                message_id,
 297                                message_type,
 298                                timestamp,
 299                                from_handle,
 300                                message_body);
 301 }
 302
 303 static void
 304 tp_chat_sent_cb (TpChannel   *channel,
 305                  guint        timestamp,
 306                  guint        message_type,
 307                  const gchar *message_body,
 308                  gpointer     user_data,
 309                  GObject     *chat_)
 310 {
 311         EmpathyTpChat *chat = EMPATHY_TP_CHAT (chat_);
 312         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 313
 314         if (priv->channel == NULL)
 315                 return;
 316
 317         DEBUG ("Message sent: %s", message_body);
 318
 319         tp_chat_build_message (chat,
 320                                0,
 321                                message_type,
 322                                timestamp,
 323                                0,
 324                                message_body);
 325 }
 326
 327 static void
 328 tp_chat_send_error_cb (TpChannel   *channel,
 329                        guint        error_code,
 330                        guint        timestamp,
 331                        guint        message_type,
 332                        const gchar *message_body,
 333                        gpointer     user_data,
 334                        GObject     *chat)
 335 {
 336         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 337
 338         if (priv->channel == NULL)
 339                 return;
 340
 341         DEBUG ("Message sent error: %s (%d)", message_body, error_code);
 342
 343         tp_chat_build_message (EMPATHY_TP_CHAT (chat),
 344                                0,
 345                                message_type,
 346                                timestamp,
 347                                0,
 348                                message_body);
 349 }
 350
 351 static void
 352 tp_chat_send_cb (TpChannel    *proxy,
 353                  const GError *error,
 354                  gpointer      user_data,
 355                  GObject      *chat)
 356 {
 357         EmpathyMessage *message = EMPATHY_MESSAGE (user_data);
 358
 359         if (error) {
 360                 DEBUG ("Error: %s", error->message);
 361                 g_signal_emit (chat, signals[SEND_ERROR], 0, message,
 362                                TP_CHANNEL_TEXT_SEND_ERROR_UNKNOWN);
 363         }
 364 }
 365
 366 typedef struct {
 367         EmpathyTpChat *chat;
 368         TpChannelChatState state;
 369 } StateChangedData;
 370
 371 static void
 372 tp_chat_state_changed_got_contact_cb (EmpathyTpContactFactory *factory,
 373                                       EmpathyContact          *contact,
 374                                       const GError            *error,
 375                                       gpointer                 user_data,
 376                                       GObject                 *chat)
 377 {
 378         TpChannelChatState state;
 379
 380         if (error) {
 381                 DEBUG ("Error: %s", error->message);
 382                 return;
 383         }
 384
 385         state = GPOINTER_TO_UINT (user_data);
 386         DEBUG ("Chat state changed for %s (%d): %d",
 387                 empathy_contact_get_name (contact),
 388                 empathy_contact_get_handle (contact), state);
 389
 390         g_signal_emit (chat, signals[CHAT_STATE_CHANGED], 0, contact, state);
 391 }
 392
 393 static void
 394 tp_chat_state_changed_cb (TpChannel *channel,
 395                           TpHandle   handle,
 396                           TpChannelChatState state,
 397                           gpointer   user_data,
 398                           GObject   *chat)
 399 {
 400         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 401
 402         empathy_tp_contact_factory_get_from_handle (priv->factory, handle,
 403                 tp_chat_state_changed_got_contact_cb, GUINT_TO_POINTER (state),
 404                 NULL, chat);
 405 }
 406
 407 static void
 408 tp_chat_list_pending_messages_cb (TpChannel       *channel,
 409                                   const GPtrArray *messages_list,
 410                                   const GError    *error,
 411                                   gpointer         user_data,
 412                                   GObject         *chat_)
 413 {
 414         EmpathyTpChat     *chat = EMPATHY_TP_CHAT (chat_);
 415         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 416         guint              i;
 417         GArray            *empty_non_text_content_ids = NULL;
 418
 419         priv->listing_pending_messages = FALSE;
 420
 421         if (priv->channel == NULL)
 422                 return;
 423
 424         if (error) {
 425                 DEBUG ("Error listing pending messages: %s", error->message);
 426                 return;
 427         }
 428
 429         for (i = 0; i < messages_list->len; i++) {
 430                 GValueArray    *message_struct;
 431                 const gchar    *message_body;
 432                 guint           message_id;
 433                 guint           timestamp;
 434                 guint           from_handle;
 435                 guint           message_type;
 436                 guint           message_flags;
 437
 438                 message_struct = g_ptr_array_index (messages_list, i);
 439
 440                 message_id = g_value_get_uint (g_value_array_get_nth (message_struct, 0));
 441                 timestamp = g_value_get_uint (g_value_array_get_nth (message_struct, 1));
 442                 from_handle = g_value_get_uint (g_value_array_get_nth (message_struct, 2));
 443                 message_type = g_value_get_uint (g_value_array_get_nth (message_struct, 3));
 444                 message_flags = g_value_get_uint (g_value_array_get_nth (message_struct, 4));
 445                 message_body = g_value_get_string (g_value_array_get_nth (message_struct, 5));
 446
 447                 DEBUG ("Message pending: %s", message_body);
 448
 449                 if (message_flags & TP_CHANNEL_TEXT_MESSAGE_FLAG_NON_TEXT_CONTENT &&
 450                     !tp_strdiff (message_body, "")) {
 451                         DEBUG ("Empty message with NonTextContent, ignoring and acking.");
 452
 453                         if (empty_non_text_content_ids == NULL) {
 454                                 empty_non_text_content_ids = g_array_new (FALSE, FALSE, sizeof (guint));
 455                         }
 456
 457                         g_array_append_val (empty_non_text_content_ids, message_id);
 458                         continue;
 459                 }
 460
 461                 tp_chat_build_message (chat,
 462                                        message_id,
 463                                        message_type,
 464                                        timestamp,
 465                                        from_handle,
 466                                        message_body);
 467         }
 468
 469         if (empty_non_text_content_ids != NULL) {
 470                 acknowledge_messages (chat, empty_non_text_content_ids);
 471                 g_array_free (empty_non_text_content_ids, TRUE);
 472         }
 473 }
 474
 475 static void
 476 tp_chat_property_flags_changed_cb (TpProxy         *proxy,
 477                                    const GPtrArray *properties,
 478                                    gpointer         user_data,
 479                                    GObject         *chat)
 480 {
 481         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 482         guint              i, j;
 483
 484         if (priv->channel == NULL)
 485                 return;
 486
 487         if (!priv->had_properties_list || !properties) {
 488                 return;
 489         }
 490
 491         for (i = 0; i < properties->len; i++) {
 492                 GValueArray    *prop_struct;
 493                 TpChatProperty *property;
 494                 guint           id;
 495                 guint           flags;
 496
 497                 prop_struct = g_ptr_array_index (properties, i);
 498                 id = g_value_get_uint (g_value_array_get_nth (prop_struct, 0));
 499                 flags = g_value_get_uint (g_value_array_get_nth (prop_struct, 1));
 500
 501                 for (j = 0; j < priv->properties->len; j++) {
 502                         property = g_ptr_array_index (priv->properties, j);
 503                         if (property->id == id) {
 504                                 property->flags = flags;
 505                                 DEBUG ("property %s flags changed: %d",
 506                                         property->name, property->flags);
 507                                 break;
 508                         }
 509                 }
 510         }
 511 }
 512
 513 static void
 514 tp_chat_properties_changed_cb (TpProxy         *proxy,
 515                                const GPtrArray *properties,
 516                                gpointer         user_data,
 517                                GObject         *chat)
 518 {
 519         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 520         guint              i, j;
 521
 522         if (priv->channel == NULL)
 523                 return;
 524
 525         if (!priv->had_properties_list || !properties) {
 526                 return;
 527         }
 528
 529         for (i = 0; i < properties->len; i++) {
 530                 GValueArray    *prop_struct;
 531                 TpChatProperty *property;
 532                 guint           id;
 533                 GValue         *src_value;
 534
 535                 prop_struct = g_ptr_array_index (properties, i);
 536                 id = g_value_get_uint (g_value_array_get_nth (prop_struct, 0));
 537                 src_value = g_value_get_boxed (g_value_array_get_nth (prop_struct, 1));
 538
 539                 for (j = 0; j < priv->properties->len; j++) {
 540                         property = g_ptr_array_index (priv->properties, j);
 541                         if (property->id == id) {
 542                                 if (property->value) {
 543                                         g_value_copy (src_value, property->value);
 544                                 } else {
 545                                         property->value = tp_g_value_slice_dup (src_value);
 546                                 }
 547
 548                                 DEBUG ("property %s changed", property->name);
 549                                 g_signal_emit (chat, signals[PROPERTY_CHANGED], 0,
 550                                                property->name, property->value);
 551                                 break;
 552                         }
 553                 }
 554         }
 555 }
 556
 557 static void
 558 tp_chat_get_properties_cb (TpProxy         *proxy,
 559                            const GPtrArray *properties,
 560                            const GError    *error,
 561                            gpointer         user_data,
 562                            GObject         *chat)
 563 {
 564         if (error) {
 565                 DEBUG ("Error getting properties: %s", error->message);
 566                 return;
 567         }
 568
 569         tp_chat_properties_changed_cb (proxy, properties, user_data, chat);
 570 }
 571
 572 static void
 573 tp_chat_list_properties_cb (TpProxy         *proxy,
 574                             const GPtrArray *properties,
 575                             const GError    *error,
 576                             gpointer         user_data,
 577                             GObject         *chat)
 578 {
 579         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 580         GArray            *ids;
 581         guint              i;
 582
 583         if (priv->channel == NULL)
 584                 return;
 585
 586         priv->had_properties_list = TRUE;
 587
 588         if (error) {
 589                 DEBUG ("Error listing properties: %s", error->message);
 590                 return;
 591         }
 592
 593         ids = g_array_sized_new (FALSE, FALSE, sizeof (guint), properties->len);
 594         priv->properties = g_ptr_array_sized_new (properties->len);
 595         for (i = 0; i < properties->len; i++) {
 596                 GValueArray    *prop_struct;
 597                 TpChatProperty *property;
 598
 599                 prop_struct = g_ptr_array_index (properties, i);
 600                 property = g_slice_new0 (TpChatProperty);
 601                 property->id = g_value_get_uint (g_value_array_get_nth (prop_struct, 0));
 602                 property->name = g_value_dup_string (g_value_array_get_nth (prop_struct, 1));
 603                 property->flags = g_value_get_uint (g_value_array_get_nth (prop_struct, 3));
 604
 605                 DEBUG ("Adding property name=%s id=%d flags=%d",
 606                         property->name, property->id, property->flags);
 607                 g_ptr_array_add (priv->properties, property);
 608                 if (property->flags & TP_PROPERTY_FLAG_READ) {
 609                         g_array_append_val (ids, property->id);
 610                 }
 611         }
 612
 613         tp_cli_properties_interface_call_get_properties (proxy, -1,
 614                                                          ids,
 615                                                          tp_chat_get_properties_cb,
 616                                                          NULL, NULL,
 617                                                          chat);
 618
 619         g_array_free (ids, TRUE);
 620 }
 621
 622 void
 623 empathy_tp_chat_set_property (EmpathyTpChat *chat,
 624                               const gchar   *name,
 625                               const GValue  *value)
 626 {
 627         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 628         TpChatProperty    *property;
 629         guint              i;
 630
 631         for (i = 0; i < priv->properties->len; i++) {
 632                 property = g_ptr_array_index (priv->properties, i);
 633                 if (!tp_strdiff (property->name, name)) {
 634                         GPtrArray   *properties;
 635                         GValueArray *prop;
 636                         GValue       id = {0, };
 637                         GValue       dest_value = {0, };
 638
 639                         if (!(property->flags & TP_PROPERTY_FLAG_WRITE)) {
 640                                 break;
 641                         }
 642
 643                         g_value_init (&id, G_TYPE_UINT);
 644                         g_value_init (&dest_value, G_TYPE_VALUE);
 645                         g_value_set_uint (&id, property->id);
 646                         g_value_set_boxed (&dest_value, value);
 647
 648                         prop = g_value_array_new (2);
 649                         g_value_array_append (prop, &id);
 650                         g_value_array_append (prop, &dest_value);
 651
 652                         properties = g_ptr_array_sized_new (1);
 653                         g_ptr_array_add (properties, prop);
 654
 655                         DEBUG ("Set property %s", name);
 656                         tp_cli_properties_interface_call_set_properties (priv->channel, -1,
 657                                                                          properties,
 658                                                                          (tp_cli_properties_interface_callback_for_set_properties)
 659                                                                          tp_chat_async_cb,
 660                                                                          "Seting property", NULL,
 661                                                                          G_OBJECT (chat));
 662
 663                         g_ptr_array_free (properties, TRUE);
 664                         g_value_array_free (prop);
 665
 666                         break;
 667                 }
 668         }
 669 }
 670
 671 static void
 672 tp_chat_dispose (GObject *object)
 673 {
 674         EmpathyTpChat *self = EMPATHY_TP_CHAT (object);
 675         EmpathyTpChatPriv *priv = GET_PRIV (self);
 676
 677         if (priv->dispose_has_run)
 678                 return;
 679
 680         priv->dispose_has_run = TRUE;
 681
 682         if (priv->channel != NULL) {
 683                 g_signal_handlers_disconnect_by_func (priv->channel,
 684                         tp_chat_invalidated_cb, self);
 685                 g_object_unref (priv->channel);
 686         }
 687         priv->channel = NULL;
 688
 689         if (priv->remote_contact != NULL)
 690                 g_object_unref (priv->remote_contact);
 691         priv->remote_contact = NULL;
 692
 693         if (priv->factory != NULL)
 694                 g_object_unref (priv->factory);
 695         priv->factory = NULL;
 696
 697         if (priv->user != NULL)
 698                 g_object_unref (priv->user);
 699         priv->user = NULL;
 700
 701         if (priv->contact_monitor)
 702                 g_object_unref (priv->contact_monitor);
 703         priv->contact_monitor = NULL;
 704
 705         g_queue_foreach (priv->messages_queue, (GFunc) g_object_unref, NULL);
 706         g_queue_clear (priv->messages_queue);
 707
 708         g_queue_foreach (priv->pending_messages_queue,
 709                 (GFunc) g_object_unref, NULL);
 710         g_queue_clear (priv->pending_messages_queue);
 711
 712         if (G_OBJECT_CLASS (empathy_tp_chat_parent_class)->dispose)
 713                 G_OBJECT_CLASS (empathy_tp_chat_parent_class)->dispose (object);
 714 }
 715
 716 static void
 717 tp_chat_finalize (GObject *object)
 718 {
 719         EmpathyTpChatPriv *priv = GET_PRIV (object);
 720         guint              i;
 721
 722         DEBUG ("Finalize: %p", object);
 723
 724         if (priv->properties) {
 725                 for (i = 0; i < priv->properties->len; i++) {
 726                         TpChatProperty *property;
 727
 728                         property = g_ptr_array_index (priv->properties, i);
 729                         g_free (property->name);
 730                         if (property->value) {
 731                                 tp_g_value_slice_free (property->value);
 732                         }
 733                         g_slice_free (TpChatProperty, property);
 734                 }
 735                 g_ptr_array_free (priv->properties, TRUE);
 736         }
 737
 738         g_queue_free (priv->messages_queue);
 739         g_queue_free (priv->pending_messages_queue);
 740
 741         G_OBJECT_CLASS (empathy_tp_chat_parent_class)->finalize (object);
 742 }
 743
 744 static void
 745 tp_chat_check_if_ready (EmpathyTpChat *chat)
 746 {
 747         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 748
 749         if (priv->ready || priv->user == NULL ||
 750             (priv->members == NULL && priv->remote_contact == NULL)) {
 751                 return;
 752         }
 753
 754         DEBUG ("Ready!");
 755
 756         tp_cli_channel_type_text_connect_to_received (priv->channel,
 757                                                       tp_chat_received_cb,
 758                                                       NULL, NULL,
 759                                                       G_OBJECT (chat), NULL);
 760         priv->listing_pending_messages = TRUE;
 761         tp_cli_channel_type_text_call_list_pending_messages (priv->channel, -1,
 762                                                              FALSE,
 763                                                              tp_chat_list_pending_messages_cb,
 764                                                              NULL, NULL,
 765                                                              G_OBJECT (chat));
 766
 767         tp_cli_channel_type_text_connect_to_sent (priv->channel,
 768                                                   tp_chat_sent_cb,
 769                                                   NULL, NULL,
 770                                                   G_OBJECT (chat), NULL);
 771         tp_cli_channel_type_text_connect_to_send_error (priv->channel,
 772                                                         tp_chat_send_error_cb,
 773                                                         NULL, NULL,
 774                                                         G_OBJECT (chat), NULL);
 775         tp_cli_channel_interface_chat_state_connect_to_chat_state_changed (priv->channel,
 776                                                                            tp_chat_state_changed_cb,
 777                                                                            NULL, NULL,
 778                                                                            G_OBJECT (chat), NULL);
 779         tp_cli_channel_interface_chat_state_connect_to_chat_state_changed (priv->channel,
 780                                                                            tp_chat_state_changed_cb,
 781                                                                            NULL, NULL,
 782                                                                            G_OBJECT (chat), NULL);
 783         priv->ready = TRUE;
 784         g_object_notify (G_OBJECT (chat), "ready");
 785 }
 786
 787 static void
 788 tp_chat_update_remote_contact (EmpathyTpChat *chat)
 789 {
 790         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 791         EmpathyContact *contact = NULL;
 792         TpHandle self_handle;
 793         TpHandleType handle_type;
 794         GList *l;
 795
 796         /* If this is a named chatroom, never pretend it is a private chat */
 797         tp_channel_get_handle (priv->channel, &handle_type);
 798         if (handle_type == TP_HANDLE_TYPE_ROOM) {
 799                 return;
 800         }
 801
 802         /* This is an MSN-like chat where anyone can join the chat at anytime.
 803          * If there is only one non-self contact member, we are in a private
 804          * chat and we set the "remote-contact" property to that contact. If
 805          * there are more, set the "remote-contact" property to NULL and the
 806          * UI will display a contact list. */
 807         self_handle = tp_channel_group_get_self_handle (priv->channel);
 808         for (l = priv->members; l; l = l->next) {
 809                 /* Skip self contact if member */
 810                 if (empathy_contact_get_handle (l->data) == self_handle) {
 811                         continue;
 812                 }
 813
 814                 /* We have more than one remote contact, break */
 815                 if (contact != NULL) {
 816                         contact = NULL;
 817                         break;
 818                 }
 819
 820                 /* If we didn't find yet a remote contact, keep this one */
 821                 contact = l->data;
 822         }
 823
 824         if (priv->remote_contact == contact) {
 825                 return;
 826         }
 827
 828         DEBUG ("Changing remote contact from %p to %p",
 829                 priv->remote_contact, contact);
 830
 831         if (priv->remote_contact) {
 832                 g_object_unref (priv->remote_contact);
 833         }
 834
 835         priv->remote_contact = contact ? g_object_ref (contact) : NULL;
 836         g_object_notify (G_OBJECT (chat), "remote-contact");
 837 }
 838
 839 static void
 840 tp_chat_got_added_contacts_cb (EmpathyTpContactFactory *factory,
 841                                guint                    n_contacts,
 842                                EmpathyContact * const * contacts,
 843                                guint                    n_failed,
 844                                const TpHandle          *failed,
 845                                const GError            *error,
 846                                gpointer                 user_data,
 847                                GObject                 *chat)
 848 {
 849         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 850         guint i;
 851         const TpIntSet *members;
 852         TpHandle handle;
 853         EmpathyContact *contact;
 854
 855         if (error) {
 856                 DEBUG ("Error: %s", error->message);
 857                 return;
 858         }
 859
 860         members = tp_channel_group_get_members (priv->channel);
 861         for (i = 0; i < n_contacts; i++) {
 862                 contact = contacts[i];
 863                 handle = empathy_contact_get_handle (contact);
 864
 865                 /* Make sure the contact is still member */
 866                 if (tp_intset_is_member (members, handle)) {
 867                         priv->members = g_list_prepend (priv->members,
 868                                 g_object_ref (contact));
 869                         g_signal_emit_by_name (chat, "members-changed",
 870                                                contact, NULL, 0, NULL, TRUE);
 871                 }
 872         }
 873
 874         tp_chat_update_remote_contact (EMPATHY_TP_CHAT (chat));
 875         tp_chat_check_if_ready (EMPATHY_TP_CHAT (chat));
 876 }
 877
 878 static EmpathyContact *
 879 chat_lookup_contact (EmpathyTpChat *chat,
 880                      TpHandle       handle,
 881                      gboolean       remove)
 882 {
 883         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 884         GList *l;
 885
 886         for (l = priv->members; l; l = l->next) {
 887                 EmpathyContact *c = l->data;
 888
 889                 if (empathy_contact_get_handle (c) != handle) {
 890                         continue;
 891                 }
 892
 893                 if (remove) {
 894                         /* Caller takes the reference. */
 895                         priv->members = g_list_delete_link (priv->members, l);
 896                 } else {
 897                         g_object_ref (c);
 898                 }
 899
 900                 return c;
 901         }
 902
 903         return NULL;
 904 }
 905
 906 static void
 907 tp_chat_group_members_changed_cb (TpChannel     *self,
 908                                   gchar         *message,
 909                                   GArray        *added,
 910                                   GArray        *removed,
 911                                   GArray        *local_pending,
 912                                   GArray        *remote_pending,
 913                                   guint          actor,
 914                                   guint          reason,
 915                                   EmpathyTpChat *chat)
 916 {
 917         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 918         EmpathyContact *contact;
 919         EmpathyContact *actor_contact = NULL;
 920         guint i;
 921
 922         if (actor != 0) {
 923                 actor_contact = chat_lookup_contact (chat, actor, FALSE);
 924                 if (actor_contact == NULL) {
 925                         /* FIXME: handle this a tad more gracefully: perhaps
 926                          * the actor was a server op. We could use the
 927                          * contact-ids detail of MembersChangedDetailed.
 928                          */
 929                         DEBUG ("actor %u not a channel member", actor);
 930                 }
 931         }
 932
 933         /* Remove contacts that are not members anymore */
 934         for (i = 0; i < removed->len; i++) {
 935                 contact = chat_lookup_contact (chat,
 936                         g_array_index (removed, TpHandle, i), TRUE);
 937
 938                 if (contact != NULL) {
 939                         g_signal_emit_by_name (chat, "members-changed", contact,
 940                                                actor_contact, reason, message,
 941                                                FALSE);
 942                         g_object_unref (contact);
 943                 }
 944         }
 945
 946         /* Request added contacts */
 947         if (added->len > 0) {
 948                 empathy_tp_contact_factory_get_from_handles (priv->factory,
 949                         added->len, (TpHandle *) added->data,
 950                         tp_chat_got_added_contacts_cb, NULL, NULL,
 951                         G_OBJECT (chat));
 952         }
 953
 954         tp_chat_update_remote_contact (chat);
 955
 956         if (actor_contact != NULL) {
 957                 g_object_unref (actor_contact);
 958         }
 959 }
 960
 961 static void
 962 tp_chat_got_remote_contact_cb (EmpathyTpContactFactory *factory,
 963                                EmpathyContact          *contact,
 964                                const GError            *error,
 965                                gpointer                 user_data,
 966                                GObject                 *chat)
 967 {
 968         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 969
 970         if (error) {
 971                 DEBUG ("Error: %s", error->message);
 972                 empathy_tp_chat_close (EMPATHY_TP_CHAT (chat));
 973                 return;
 974         }
 975
 976         priv->remote_contact = g_object_ref (contact);
 977         g_object_notify (chat, "remote-contact");
 978
 979         tp_chat_check_if_ready (EMPATHY_TP_CHAT (chat));
 980 }
 981
 982 static void
 983 tp_chat_got_self_contact_cb (EmpathyTpContactFactory *factory,
 984                              EmpathyContact          *contact,
 985                              const GError            *error,
 986                              gpointer                 user_data,
 987                              GObject                 *chat)
 988 {
 989         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 990
 991         if (error) {
 992                 DEBUG ("Error: %s", error->message);
 993                 empathy_tp_chat_close (EMPATHY_TP_CHAT (chat));
 994                 return;
 995         }
 996
 997         priv->user = g_object_ref (contact);
 998         empathy_contact_set_is_user (priv->user, TRUE);
 999         tp_chat_check_if_ready (EMPATHY_TP_CHAT (chat));
1000 }
1001
1002 static GObject *
1003 tp_chat_constructor (GType                  type,
1004                      guint                  n_props,
1005                      GObjectConstructParam *props)
1006 {
1007         GObject           *chat;
1008         EmpathyTpChatPriv *priv;
1009         TpConnection      *connection;
1010         TpHandle           handle;
1011
1012         chat = G_OBJECT_CLASS (empathy_tp_chat_parent_class)->constructor (type, n_props, props);
1013
1014         priv = GET_PRIV (chat);
1015
1016         connection = tp_channel_borrow_connection (priv->channel);
1017         priv->factory = empathy_tp_contact_factory_dup_singleton (connection);
1018         g_signal_connect (priv->channel, "invalidated",
1019                           G_CALLBACK (tp_chat_invalidated_cb),
1020                           chat);
1021
1022         if (tp_proxy_has_interface_by_id (priv->channel,
1023                                           TP_IFACE_QUARK_CHANNEL_INTERFACE_GROUP)) {
1024                 const TpIntSet *members;
1025                 GArray *handles;
1026
1027                 /* Get self contact from the group's self handle */
1028                 handle = tp_channel_group_get_self_handle (priv->channel);
1029                 empathy_tp_contact_factory_get_from_handle (priv->factory,
1030                         handle, tp_chat_got_self_contact_cb,
1031                         NULL, NULL, chat);
1032
1033                 /* Get initial member contacts */
1034                 members = tp_channel_group_get_members (priv->channel);
1035                 handles = tp_intset_to_array (members);
1036                 empathy_tp_contact_factory_get_from_handles (priv->factory,
1037                         handles->len, (TpHandle *) handles->data,
1038                         tp_chat_got_added_contacts_cb, NULL, NULL, chat);
1039
1040                 g_signal_connect (priv->channel, "group-members-changed",
1041                         G_CALLBACK (tp_chat_group_members_changed_cb), chat);
1042         } else {
1043                 /* Get the self contact from the connection's self handle */
1044                 handle = tp_connection_get_self_handle (connection);
1045                 empathy_tp_contact_factory_get_from_handle (priv->factory,
1046                         handle, tp_chat_got_self_contact_cb,
1047                         NULL, NULL, chat);
1048
1049                 /* Get the remote contact */
1050                 handle = tp_channel_get_handle (priv->channel, NULL);
1051                 empathy_tp_contact_factory_get_from_handle (priv->factory,
1052                         handle, tp_chat_got_remote_contact_cb,
1053                         NULL, NULL, chat);
1054         }
1055
1056         if (tp_proxy_has_interface_by_id (priv->channel,
1057                                           TP_IFACE_QUARK_PROPERTIES_INTERFACE)) {
1058                 tp_cli_properties_interface_call_list_properties (priv->channel, -1,
1059                                                                   tp_chat_list_properties_cb,
1060                                                                   NULL, NULL,
1061                                                                   G_OBJECT (chat));
1062                 tp_cli_properties_interface_connect_to_properties_changed (priv->channel,
1063                                                                            tp_chat_properties_changed_cb,
1064                                                                            NULL, NULL,
1065                                                                            G_OBJECT (chat), NULL);
1066                 tp_cli_properties_interface_connect_to_property_flags_changed (priv->channel,
1067                                                                                tp_chat_property_flags_changed_cb,
1068                                                                                NULL, NULL,
1069                                                                                G_OBJECT (chat), NULL);
1070         }
1071
1072         return chat;
1073 }
1074
1075 static void
1076 tp_chat_get_property (GObject    *object,
1077                       guint       param_id,
1078                       GValue     *value,
1079                       GParamSpec *pspec)
1080 {
1081         EmpathyTpChatPriv *priv = GET_PRIV (object);
1082
1083         switch (param_id) {
1084         case PROP_CHANNEL:
1085                 g_value_set_object (value, priv->channel);
1086                 break;
1087         case PROP_REMOTE_CONTACT:
1088                 g_value_set_object (value, priv->remote_contact);
1089                 break;
1090         case PROP_READY:
1091                 g_value_set_boolean (value, priv->ready);
1092                 break;
1093         default:
1094                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
1095                 break;
1096         };
1097 }
1098
1099 static void
1100 tp_chat_set_property (GObject      *object,
1101                       guint         param_id,
1102                       const GValue *value,
1103                       GParamSpec   *pspec)
1104 {
1105         EmpathyTpChatPriv *priv = GET_PRIV (object);
1106
1107         switch (param_id) {
1108         case PROP_CHANNEL:
1109                 priv->channel = g_value_dup_object (value);
1110                 break;
1111         default:
1112                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
1113                 break;
1114         };
1115 }
1116
1117 static void
1118 empathy_tp_chat_class_init (EmpathyTpChatClass *klass)
1119 {
1120         GObjectClass *object_class = G_OBJECT_CLASS (klass);
1121
1122         object_class->dispose = tp_chat_dispose;
1123         object_class->finalize = tp_chat_finalize;
1124         object_class->constructor = tp_chat_constructor;
1125         object_class->get_property = tp_chat_get_property;
1126         object_class->set_property = tp_chat_set_property;
1127
1128         g_object_class_install_property (object_class,
1129                                          PROP_CHANNEL,
1130                                          g_param_spec_object ("channel",
1131                                                               "telepathy channel",
1132                                                               "The text channel for the chat",
1133                                                               TP_TYPE_CHANNEL,
1134                                                               G_PARAM_READWRITE |
1135                                                               G_PARAM_CONSTRUCT_ONLY));
1136
1137         g_object_class_install_property (object_class,
1138                                          PROP_REMOTE_CONTACT,
1139                                          g_param_spec_object ("remote-contact",
1140                                                               "The remote contact",
1141                                                               "The remote contact if there is no group iface on the channel",
1142                                                               EMPATHY_TYPE_CONTACT,
1143                                                               G_PARAM_READABLE));
1144
1145         g_object_class_install_property (object_class,
1146                                          PROP_READY,
1147                                          g_param_spec_boolean ("ready",
1148                                                                "Is the object ready",
1149                                                                "This object can't be used until this becomes true",
1150                                                                FALSE,
1151                                                                G_PARAM_READABLE));
1152
1153         /* Signals */
1154         signals[MESSAGE_RECEIVED] =
1155                 g_signal_new ("message-received",
1156                               G_TYPE_FROM_CLASS (klass),
1157                               G_SIGNAL_RUN_LAST,
1158                               0,
1159                               NULL, NULL,
1160                               g_cclosure_marshal_VOID__OBJECT,
1161                               G_TYPE_NONE,
1162                               1, EMPATHY_TYPE_MESSAGE);
1163
1164         signals[SEND_ERROR] =
1165                 g_signal_new ("send-error",
1166                               G_TYPE_FROM_CLASS (klass),
1167                               G_SIGNAL_RUN_LAST,
1168                               0,
1169                               NULL, NULL,
1170                               _empathy_marshal_VOID__OBJECT_UINT,
1171                               G_TYPE_NONE,
1172                               2, EMPATHY_TYPE_MESSAGE, G_TYPE_UINT);
1173
1174         signals[CHAT_STATE_CHANGED] =
1175                 g_signal_new ("chat-state-changed",
1176                               G_TYPE_FROM_CLASS (klass),
1177                               G_SIGNAL_RUN_LAST,
1178                               0,
1179                               NULL, NULL,
1180                               _empathy_marshal_VOID__OBJECT_UINT,
1181                               G_TYPE_NONE,
1182                               2, EMPATHY_TYPE_CONTACT, G_TYPE_UINT);
1183
1184         signals[PROPERTY_CHANGED] =
1185                 g_signal_new ("property-changed",
1186                               G_TYPE_FROM_CLASS (klass),
1187                               G_SIGNAL_RUN_LAST,
1188                               0,
1189                               NULL, NULL,
1190                               _empathy_marshal_VOID__STRING_BOXED,
1191                               G_TYPE_NONE,
1192                               2, G_TYPE_STRING, G_TYPE_VALUE);
1193
1194         signals[DESTROY] =
1195                 g_signal_new ("destroy",
1196                               G_TYPE_FROM_CLASS (klass),
1197                               G_SIGNAL_RUN_LAST,
1198                               0,
1199                               NULL, NULL,
1200                               g_cclosure_marshal_VOID__VOID,
1201                               G_TYPE_NONE,
1202                               0);
1203
1204         g_type_class_add_private (object_class, sizeof (EmpathyTpChatPriv));
1205 }
1206
1207 static void
1208 empathy_tp_chat_init (EmpathyTpChat *chat)
1209 {
1210         EmpathyTpChatPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (chat,
1211                 EMPATHY_TYPE_TP_CHAT, EmpathyTpChatPriv);
1212
1213         chat->priv = priv;
1214         priv->contact_monitor = NULL;
1215         priv->messages_queue = g_queue_new ();
1216         priv->pending_messages_queue = g_queue_new ();
1217 }
1218
1219 static void
1220 tp_chat_iface_init (EmpathyContactListIface *iface)
1221 {
1222         iface->add         = tp_chat_add;
1223         iface->remove      = tp_chat_remove;
1224         iface->get_members = tp_chat_get_members;
1225         iface->get_monitor = tp_chat_get_monitor;
1226 }
1227
1228 EmpathyTpChat *
1229 empathy_tp_chat_new (TpChannel *channel)
1230 {
1231         return g_object_new (EMPATHY_TYPE_TP_CHAT,
1232                              "channel", channel,
1233                              NULL);
1234 }
1235
1236 void
1237 empathy_tp_chat_close (EmpathyTpChat *chat) {
1238         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1239
1240         /* If there are still messages left, it'll come back..
1241          * We loose the ordering of sent messages though */
1242         tp_cli_channel_call_close (priv->channel, -1, tp_chat_async_cb,
1243                 "closing channel", NULL, NULL);
1244 }
1245
1246 const gchar *
1247 empathy_tp_chat_get_id (EmpathyTpChat *chat)
1248 {
1249         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1250
1251         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (chat), NULL);
1252
1253         return tp_channel_get_identifier (priv->channel);
1254 }
1255
1256 EmpathyContact *
1257 empathy_tp_chat_get_remote_contact (EmpathyTpChat *chat)
1258 {
1259         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1260
1261         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (chat), NULL);
1262         g_return_val_if_fail (priv->ready, NULL);
1263
1264         return priv->remote_contact;
1265 }
1266
1267 TpChannel *
1268 empathy_tp_chat_get_channel (EmpathyTpChat *chat)
1269 {
1270         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1271
1272         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (chat), NULL);
1273
1274         return priv->channel;
1275 }
1276
1277 TpConnection *
1278 empathy_tp_chat_get_connection (EmpathyTpChat *chat)
1279 {
1280         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1281
1282         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (chat), NULL);
1283
1284         return tp_channel_borrow_connection (priv->channel);
1285 }
1286
1287 gboolean
1288 empathy_tp_chat_is_ready (EmpathyTpChat *chat)
1289 {
1290         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1291
1292         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (chat), FALSE);
1293
1294         return priv->ready;
1295 }
1296
1297 void
1298 empathy_tp_chat_send (EmpathyTpChat *chat,
1299                       EmpathyMessage *message)
1300 {
1301         EmpathyTpChatPriv        *priv = GET_PRIV (chat);
1302         const gchar              *message_body;
1303         TpChannelTextMessageType  message_type;
1304
1305         g_return_if_fail (EMPATHY_IS_TP_CHAT (chat));
1306         g_return_if_fail (EMPATHY_IS_MESSAGE (message));
1307         g_return_if_fail (priv->ready);
1308
1309         message_body = empathy_message_get_body (message);
1310         message_type = empathy_message_get_tptype (message);
1311
1312         DEBUG ("Sending message: %s", message_body);
1313         tp_cli_channel_type_text_call_send (priv->channel, -1,
1314                                             message_type,
1315                                             message_body,
1316                                             tp_chat_send_cb,
1317                                             g_object_ref (message),
1318                                             (GDestroyNotify) g_object_unref,
1319                                             G_OBJECT (chat));
1320 }
1321
1322 void
1323 empathy_tp_chat_set_state (EmpathyTpChat      *chat,
1324                            TpChannelChatState  state)
1325 {
1326         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1327
1328         g_return_if_fail (EMPATHY_IS_TP_CHAT (chat));
1329         g_return_if_fail (priv->ready);
1330
1331         DEBUG ("Set state: %d", state);
1332         tp_cli_channel_interface_chat_state_call_set_chat_state (priv->channel, -1,
1333                                                                  state,
1334                                                                  tp_chat_async_cb,
1335                                                                  "setting chat state",
1336                                                                  NULL,
1337                                                                  G_OBJECT (chat));
1338 }
1339
1340
1341 const GList *
1342 empathy_tp_chat_get_pending_messages (EmpathyTpChat *chat)
1343 {
1344         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1345
1346         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (chat), NULL);
1347         g_return_val_if_fail (priv->ready, NULL);
1348
1349         return priv->pending_messages_queue->head;
1350 }
1351
1352 static void
1353 acknowledge_messages (EmpathyTpChat *chat, GArray *ids) {
1354         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1355
1356         tp_cli_channel_type_text_call_acknowledge_pending_messages (
1357                 priv->channel, -1, ids, tp_chat_async_cb,
1358                 "acknowledging received message", NULL, G_OBJECT (chat));
1359 }
1360
1361 void
1362 empathy_tp_chat_acknowledge_message (EmpathyTpChat *chat,
1363                                      EmpathyMessage *message) {
1364         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1365         GArray *message_ids;
1366         GList *m;
1367         guint id;
1368
1369         g_return_if_fail (EMPATHY_IS_TP_CHAT (chat));
1370         g_return_if_fail (priv->ready);
1371
1372         if (empathy_message_get_sender (message) == priv->user)
1373                 goto out;
1374
1375         message_ids = g_array_sized_new (FALSE, FALSE, sizeof (guint), 1);
1376
1377         id = empathy_message_get_id (message);
1378         g_array_append_val (message_ids, id);
1379         acknowledge_messages (chat, message_ids);
1380         g_array_free (message_ids, TRUE);
1381
1382 out:
1383         m = g_queue_find (priv->pending_messages_queue, message);
1384         g_assert (m != NULL);
1385         g_queue_delete_link (priv->pending_messages_queue, m);
1386         g_object_unref (message);
1387 }
1388
1389 void
1390 empathy_tp_chat_acknowledge_messages (EmpathyTpChat *chat,
1391                                       const GList *messages) {
1392         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1393         /* Copy messages as the messges list (probably is) our own */
1394         GList *msgs = g_list_copy ((GList *) messages);
1395         GList *l;
1396         guint length;
1397         GArray *message_ids;
1398
1399         g_return_if_fail (EMPATHY_IS_TP_CHAT (chat));
1400         g_return_if_fail (priv->ready);
1401
1402         length = g_list_length ((GList *) messages);
1403
1404         if (length == 0)
1405                 return;
1406
1407         message_ids = g_array_sized_new (FALSE, FALSE, sizeof (guint), length);
1408
1409         for (l = msgs; l != NULL; l = g_list_next (l)) {
1410                 GList *m;
1411
1412                 EmpathyMessage *message = EMPATHY_MESSAGE (l->data);
1413
1414                 m = g_queue_find (priv->pending_messages_queue, message);
1415                 g_assert (m != NULL);
1416                 g_queue_delete_link (priv->pending_messages_queue, m);
1417
1418                 if (empathy_message_get_sender (message) != priv->user) {
1419                         guint id = empathy_message_get_id (message);
1420                         g_array_append_val (message_ids, id);
1421                 }
1422                 g_object_unref (message);
1423         }
1424
1425         if (message_ids->len > 0)
1426                 acknowledge_messages (chat, message_ids);
1427
1428         g_array_free (message_ids, TRUE);
1429         g_list_free (msgs);
1430 }
1431