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 #include <telepathy-glib/interfaces.h>
  30
  31 #include "empathy-tp-chat.h"
  32 #include "empathy-tp-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         EmpathyTpContactFactory *factory;
  46         EmpathyContactMonitor *contact_monitor;
  47         EmpathyContact        *user;
  48         EmpathyContact        *remote_contact;
  49         GList                 *members;
  50         TpChannel             *channel;
  51         gboolean               listing_pending_messages;
  52         /* Queue of messages not signalled yet */
  53         GQueue                *messages_queue;
  54         /* Queue of messages signalled but not acked yet */
  55         GQueue                *pending_messages_queue;
  56         gboolean               had_properties_list;
  57         GPtrArray             *properties;
  58         gboolean               ready;
  59 } EmpathyTpChatPriv;
  60
  61 typedef struct {
  62         gchar          *name;
  63         guint           id;
  64         TpPropertyFlags flags;
  65         GValue         *value;
  66 } TpChatProperty;
  67
  68 static void tp_chat_iface_init         (EmpathyContactListIface *iface);
  69
  70 enum {
  71         PROP_0,
  72         PROP_CHANNEL,
  73         PROP_REMOTE_CONTACT,
  74         PROP_READY,
  75 };
  76
  77 enum {
  78         MESSAGE_RECEIVED,
  79         SEND_ERROR,
  80         CHAT_STATE_CHANGED,
  81         PROPERTY_CHANGED,
  82         DESTROY,
  83         LAST_SIGNAL
  84 };
  85
  86 static guint signals[LAST_SIGNAL];
  87
  88 G_DEFINE_TYPE_WITH_CODE (EmpathyTpChat, empathy_tp_chat, G_TYPE_OBJECT,
  89                          G_IMPLEMENT_INTERFACE (EMPATHY_TYPE_CONTACT_LIST,
  90                                                 tp_chat_iface_init));
  91
  92 static void acknowledge_messages (EmpathyTpChat *chat, GArray *ids);
  93
  94 static void
  95 tp_chat_invalidated_cb (TpProxy       *proxy,
  96                         guint          domain,
  97                         gint           code,
  98                         gchar         *message,
  99                         EmpathyTpChat *chat)
 100 {
 101         DEBUG ("Channel invalidated: %s", message);
 102         g_signal_emit (chat, signals[DESTROY], 0);
 103 }
 104
 105 static void
 106 tp_chat_async_cb (TpChannel *proxy,
 107                   const GError *error,
 108                   gpointer user_data,
 109                   GObject *weak_object)
 110 {
 111         if (error) {
 112                 DEBUG ("Error %s: %s", (gchar *) user_data, error->message);
 113         }
 114 }
 115
 116 static void
 117 tp_chat_add (EmpathyContactList *list,
 118              EmpathyContact     *contact,
 119              const gchar        *message)
 120 {
 121         EmpathyTpChatPriv *priv = GET_PRIV (list);
 122         TpHandle           handle;
 123         GArray             handles = {(gchar *) &handle, 1};
 124
 125         g_return_if_fail (EMPATHY_IS_TP_CHAT (list));
 126         g_return_if_fail (EMPATHY_IS_CONTACT (contact));
 127
 128         handle = empathy_contact_get_handle (contact);
 129         tp_cli_channel_interface_group_call_add_members (priv->channel, -1,
 130                                                          &handles, NULL,
 131                                                          NULL, NULL, NULL,
 132                                                          NULL);
 133 }
 134
 135 static void
 136 tp_chat_remove (EmpathyContactList *list,
 137                 EmpathyContact     *contact,
 138                 const gchar        *message)
 139 {
 140         EmpathyTpChatPriv *priv = GET_PRIV (list);
 141         TpHandle           handle;
 142         GArray             handles = {(gchar *) &handle, 1};
 143
 144         g_return_if_fail (EMPATHY_IS_TP_CHAT (list));
 145         g_return_if_fail (EMPATHY_IS_CONTACT (contact));
 146
 147         handle = empathy_contact_get_handle (contact);
 148         tp_cli_channel_interface_group_call_remove_members (priv->channel, -1,
 149                                                             &handles, NULL,
 150                                                             NULL, NULL, NULL,
 151                                                             NULL);
 152 }
 153
 154 static GList *
 155 tp_chat_get_members (EmpathyContactList *list)
 156 {
 157         EmpathyTpChatPriv *priv = GET_PRIV (list);
 158         GList             *members = NULL;
 159
 160         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (list), NULL);
 161
 162         if (priv->members) {
 163                 members = g_list_copy (priv->members);
 164                 g_list_foreach (members, (GFunc) g_object_ref, NULL);
 165         } else {
 166                 members = g_list_prepend (members, g_object_ref (priv->user));
 167                 members = g_list_prepend (members, g_object_ref (priv->remote_contact));
 168         }
 169
 170         return members;
 171 }
 172
 173 static EmpathyContactMonitor *
 174 tp_chat_get_monitor (EmpathyContactList *list)
 175 {
 176         EmpathyTpChatPriv *priv;
 177
 178         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (list), NULL);
 179
 180         priv = GET_PRIV (list);
 181
 182         if (priv->contact_monitor == NULL) {
 183                 priv->contact_monitor = empathy_contact_monitor_new_for_iface (list);
 184         }
 185
 186         return priv->contact_monitor;
 187 }
 188
 189 static void
 190 tp_chat_emit_queued_messages (EmpathyTpChat *chat)
 191 {
 192         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 193         EmpathyMessage    *message;
 194
 195         /* Check if we can now emit some queued messages */
 196         while ((message = g_queue_peek_head (priv->messages_queue)) != NULL) {
 197                 if (empathy_message_get_sender (message) == NULL) {
 198                         break;
 199                 }
 200
 201                 DEBUG ("Queued message ready");
 202                 g_queue_pop_head (priv->messages_queue);
 203                 g_queue_push_tail (priv->pending_messages_queue, message);
 204                 g_signal_emit (chat, signals[MESSAGE_RECEIVED], 0, message);
 205         }
 206 }
 207
 208 static void
 209 tp_chat_got_sender_cb (EmpathyTpContactFactory *factory,
 210                        EmpathyContact          *contact,
 211                        const GError            *error,
 212                        gpointer                 message,
 213                        GObject                 *chat)
 214 {
 215         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 216
 217         if (error) {
 218                 DEBUG ("Error: %s", error->message);
 219                 /* Do not block the message queue, just drop this message */
 220                 g_queue_remove (priv->messages_queue, message);
 221         } else {
 222                 empathy_message_set_sender (message, contact);
 223         }
 224
 225         tp_chat_emit_queued_messages (EMPATHY_TP_CHAT (chat));
 226 }
 227
 228 static void
 229 tp_chat_build_message (EmpathyTpChat *chat,
 230                        gboolean       incoming,
 231                        guint          id,
 232                        guint          type,
 233                        guint          timestamp,
 234                        guint          from_handle,
 235                        const gchar   *message_body)
 236 {
 237         EmpathyTpChatPriv *priv;
 238         EmpathyMessage    *message;
 239
 240         priv = GET_PRIV (chat);
 241
 242         message = empathy_message_new (message_body);
 243         empathy_message_set_tptype (message, type);
 244         empathy_message_set_receiver (message, priv->user);
 245         empathy_message_set_timestamp (message, timestamp);
 246         empathy_message_set_id (message, id);
 247         empathy_message_set_incoming (message, incoming);
 248
 249         g_queue_push_tail (priv->messages_queue, message);
 250
 251         if (from_handle == 0) {
 252                 empathy_message_set_sender (message, priv->user);
 253                 tp_chat_emit_queued_messages (chat);
 254         } else {
 255                 empathy_tp_contact_factory_get_from_handle (priv->factory,
 256                         from_handle,
 257                         tp_chat_got_sender_cb,
 258                         message, NULL, G_OBJECT (chat));
 259         }
 260 }
 261
 262 static void
 263 tp_chat_received_cb (TpChannel   *channel,
 264                      guint        message_id,
 265                      guint        timestamp,
 266                      guint        from_handle,
 267                      guint        message_type,
 268                      guint        message_flags,
 269                      const gchar *message_body,
 270                      gpointer     user_data,
 271                      GObject     *chat_)
 272 {
 273         EmpathyTpChat *chat = EMPATHY_TP_CHAT (chat_);
 274         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 275
 276         if (priv->channel == NULL)
 277                 return;
 278
 279         if (priv->listing_pending_messages) {
 280                 return;
 281         }
 282
 283         DEBUG ("Message received: %s", message_body);
 284
 285         if (message_flags & TP_CHANNEL_TEXT_MESSAGE_FLAG_NON_TEXT_CONTENT &&
 286             !tp_strdiff (message_body, "")) {
 287                 GArray *ids;
 288
 289                 DEBUG ("Empty message with NonTextContent, ignoring and acking.");
 290
 291                 ids = g_array_sized_new (FALSE, FALSE, sizeof (guint), 1);
 292                 g_array_append_val (ids, message_id);
 293                 acknowledge_messages (chat, ids);
 294                 g_array_free (ids, TRUE);
 295
 296                 return;
 297         }
 298
 299         tp_chat_build_message (chat,
 300                                TRUE,
 301                                message_id,
 302                                message_type,
 303                                timestamp,
 304                                from_handle,
 305                                message_body);
 306 }
 307
 308 static void
 309 tp_chat_sent_cb (TpChannel   *channel,
 310                  guint        timestamp,
 311                  guint        message_type,
 312                  const gchar *message_body,
 313                  gpointer     user_data,
 314                  GObject     *chat_)
 315 {
 316         EmpathyTpChat *chat = EMPATHY_TP_CHAT (chat_);
 317         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 318
 319         if (priv->channel == NULL)
 320                 return;
 321
 322         DEBUG ("Message sent: %s", message_body);
 323
 324         tp_chat_build_message (chat,
 325                                FALSE,
 326                                0,
 327                                message_type,
 328                                timestamp,
 329                                0,
 330                                message_body);
 331 }
 332
 333 static void
 334 tp_chat_send_error_cb (TpChannel   *channel,
 335                        guint        error_code,
 336                        guint        timestamp,
 337                        guint        message_type,
 338                        const gchar *message_body,
 339                        gpointer     user_data,
 340                        GObject     *chat)
 341 {
 342         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 343
 344         if (priv->channel == NULL)
 345                 return;
 346
 347         DEBUG ("Error sending '%s' (%d)", message_body, error_code);
 348
 349         g_signal_emit (chat, signals[SEND_ERROR], 0, message_body, error_code);
 350 }
 351
 352 static void
 353 tp_chat_send_cb (TpChannel    *proxy,
 354                  const GError *error,
 355                  gpointer      user_data,
 356                  GObject      *chat)
 357 {
 358         EmpathyMessage *message = EMPATHY_MESSAGE (user_data);
 359
 360         if (error) {
 361                 DEBUG ("Error: %s", error->message);
 362                 g_signal_emit (chat, signals[SEND_ERROR], 0,
 363                                empathy_message_get_body (message),
 364                                TP_CHANNEL_TEXT_SEND_ERROR_UNKNOWN);
 365         }
 366 }
 367
 368 typedef struct {
 369         EmpathyTpChat *chat;
 370         TpChannelChatState state;
 371 } StateChangedData;
 372
 373 static void
 374 tp_chat_state_changed_got_contact_cb (EmpathyTpContactFactory *factory,
 375                                       EmpathyContact          *contact,
 376                                       const GError            *error,
 377                                       gpointer                 user_data,
 378                                       GObject                 *chat)
 379 {
 380         TpChannelChatState state;
 381
 382         if (error) {
 383                 DEBUG ("Error: %s", error->message);
 384                 return;
 385         }
 386
 387         state = GPOINTER_TO_UINT (user_data);
 388         DEBUG ("Chat state changed for %s (%d): %d",
 389                 empathy_contact_get_name (contact),
 390                 empathy_contact_get_handle (contact), state);
 391
 392         g_signal_emit (chat, signals[CHAT_STATE_CHANGED], 0, contact, state);
 393 }
 394
 395 static void
 396 tp_chat_state_changed_cb (TpChannel *channel,
 397                           TpHandle   handle,
 398                           TpChannelChatState state,
 399                           gpointer   user_data,
 400                           GObject   *chat)
 401 {
 402         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 403
 404         empathy_tp_contact_factory_get_from_handle (priv->factory, handle,
 405                 tp_chat_state_changed_got_contact_cb, GUINT_TO_POINTER (state),
 406                 NULL, chat);
 407 }
 408
 409 static void
 410 tp_chat_list_pending_messages_cb (TpChannel       *channel,
 411                                   const GPtrArray *messages_list,
 412                                   const GError    *error,
 413                                   gpointer         user_data,
 414                                   GObject         *chat_)
 415 {
 416         EmpathyTpChat     *chat = EMPATHY_TP_CHAT (chat_);
 417         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 418         guint              i;
 419         GArray            *empty_non_text_content_ids = NULL;
 420
 421         priv->listing_pending_messages = FALSE;
 422
 423         if (priv->channel == NULL)
 424                 return;
 425
 426         if (error) {
 427                 DEBUG ("Error listing pending messages: %s", error->message);
 428                 return;
 429         }
 430
 431         for (i = 0; i < messages_list->len; i++) {
 432                 GValueArray    *message_struct;
 433                 const gchar    *message_body;
 434                 guint           message_id;
 435                 guint           timestamp;
 436                 guint           from_handle;
 437                 guint           message_type;
 438                 guint           message_flags;
 439
 440                 message_struct = g_ptr_array_index (messages_list, i);
 441
 442                 message_id = g_value_get_uint (g_value_array_get_nth (message_struct, 0));
 443                 timestamp = g_value_get_uint (g_value_array_get_nth (message_struct, 1));
 444                 from_handle = g_value_get_uint (g_value_array_get_nth (message_struct, 2));
 445                 message_type = g_value_get_uint (g_value_array_get_nth (message_struct, 3));
 446                 message_flags = g_value_get_uint (g_value_array_get_nth (message_struct, 4));
 447                 message_body = g_value_get_string (g_value_array_get_nth (message_struct, 5));
 448
 449                 DEBUG ("Message pending: %s", message_body);
 450
 451                 if (message_flags & TP_CHANNEL_TEXT_MESSAGE_FLAG_NON_TEXT_CONTENT &&
 452                     !tp_strdiff (message_body, "")) {
 453                         DEBUG ("Empty message with NonTextContent, ignoring and acking.");
 454
 455                         if (empty_non_text_content_ids == NULL) {
 456                                 empty_non_text_content_ids = g_array_new (FALSE, FALSE, sizeof (guint));
 457                         }
 458
 459                         g_array_append_val (empty_non_text_content_ids, message_id);
 460                         continue;
 461                 }
 462
 463                 tp_chat_build_message (chat,
 464                                        TRUE,
 465                                        message_id,
 466                                        message_type,
 467                                        timestamp,
 468                                        from_handle,
 469                                        message_body);
 470         }
 471
 472         if (empty_non_text_content_ids != NULL) {
 473                 acknowledge_messages (chat, empty_non_text_content_ids);
 474                 g_array_free (empty_non_text_content_ids, TRUE);
 475         }
 476 }
 477
 478 static void
 479 tp_chat_property_flags_changed_cb (TpProxy         *proxy,
 480                                    const GPtrArray *properties,
 481                                    gpointer         user_data,
 482                                    GObject         *chat)
 483 {
 484         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 485         guint              i, j;
 486
 487         if (priv->channel == NULL)
 488                 return;
 489
 490         if (!priv->had_properties_list || !properties) {
 491                 return;
 492         }
 493
 494         for (i = 0; i < properties->len; i++) {
 495                 GValueArray    *prop_struct;
 496                 TpChatProperty *property;
 497                 guint           id;
 498                 guint           flags;
 499
 500                 prop_struct = g_ptr_array_index (properties, i);
 501                 id = g_value_get_uint (g_value_array_get_nth (prop_struct, 0));
 502                 flags = g_value_get_uint (g_value_array_get_nth (prop_struct, 1));
 503
 504                 for (j = 0; j < priv->properties->len; j++) {
 505                         property = g_ptr_array_index (priv->properties, j);
 506                         if (property->id == id) {
 507                                 property->flags = flags;
 508                                 DEBUG ("property %s flags changed: %d",
 509                                         property->name, property->flags);
 510                                 break;
 511                         }
 512                 }
 513         }
 514 }
 515
 516 static void
 517 tp_chat_properties_changed_cb (TpProxy         *proxy,
 518                                const GPtrArray *properties,
 519                                gpointer         user_data,
 520                                GObject         *chat)
 521 {
 522         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 523         guint              i, j;
 524
 525         if (priv->channel == NULL)
 526                 return;
 527
 528         if (!priv->had_properties_list || !properties) {
 529                 return;
 530         }
 531
 532         for (i = 0; i < properties->len; i++) {
 533                 GValueArray    *prop_struct;
 534                 TpChatProperty *property;
 535                 guint           id;
 536                 GValue         *src_value;
 537
 538                 prop_struct = g_ptr_array_index (properties, i);
 539                 id = g_value_get_uint (g_value_array_get_nth (prop_struct, 0));
 540                 src_value = g_value_get_boxed (g_value_array_get_nth (prop_struct, 1));
 541
 542                 for (j = 0; j < priv->properties->len; j++) {
 543                         property = g_ptr_array_index (priv->properties, j);
 544                         if (property->id == id) {
 545                                 if (property->value) {
 546                                         g_value_copy (src_value, property->value);
 547                                 } else {
 548                                         property->value = tp_g_value_slice_dup (src_value);
 549                                 }
 550
 551                                 DEBUG ("property %s changed", property->name);
 552                                 g_signal_emit (chat, signals[PROPERTY_CHANGED], 0,
 553                                                property->name, property->value);
 554                                 break;
 555                         }
 556                 }
 557         }
 558 }
 559
 560 static void
 561 tp_chat_get_properties_cb (TpProxy         *proxy,
 562                            const GPtrArray *properties,
 563                            const GError    *error,
 564                            gpointer         user_data,
 565                            GObject         *chat)
 566 {
 567         if (error) {
 568                 DEBUG ("Error getting properties: %s", error->message);
 569                 return;
 570         }
 571
 572         tp_chat_properties_changed_cb (proxy, properties, user_data, chat);
 573 }
 574
 575 static void
 576 tp_chat_list_properties_cb (TpProxy         *proxy,
 577                             const GPtrArray *properties,
 578                             const GError    *error,
 579                             gpointer         user_data,
 580                             GObject         *chat)
 581 {
 582         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 583         GArray            *ids;
 584         guint              i;
 585
 586         if (priv->channel == NULL)
 587                 return;
 588
 589         priv->had_properties_list = TRUE;
 590
 591         if (error) {
 592                 DEBUG ("Error listing properties: %s", error->message);
 593                 return;
 594         }
 595
 596         ids = g_array_sized_new (FALSE, FALSE, sizeof (guint), properties->len);
 597         priv->properties = g_ptr_array_sized_new (properties->len);
 598         for (i = 0; i < properties->len; i++) {
 599                 GValueArray    *prop_struct;
 600                 TpChatProperty *property;
 601
 602                 prop_struct = g_ptr_array_index (properties, i);
 603                 property = g_slice_new0 (TpChatProperty);
 604                 property->id = g_value_get_uint (g_value_array_get_nth (prop_struct, 0));
 605                 property->name = g_value_dup_string (g_value_array_get_nth (prop_struct, 1));
 606                 property->flags = g_value_get_uint (g_value_array_get_nth (prop_struct, 3));
 607
 608                 DEBUG ("Adding property name=%s id=%d flags=%d",
 609                         property->name, property->id, property->flags);
 610                 g_ptr_array_add (priv->properties, property);
 611                 if (property->flags & TP_PROPERTY_FLAG_READ) {
 612                         g_array_append_val (ids, property->id);
 613                 }
 614         }
 615
 616         tp_cli_properties_interface_call_get_properties (proxy, -1,
 617                                                          ids,
 618                                                          tp_chat_get_properties_cb,
 619                                                          NULL, NULL,
 620                                                          chat);
 621
 622         g_array_free (ids, TRUE);
 623 }
 624
 625 void
 626 empathy_tp_chat_set_property (EmpathyTpChat *chat,
 627                               const gchar   *name,
 628                               const GValue  *value)
 629 {
 630         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 631         TpChatProperty    *property;
 632         guint              i;
 633
 634         for (i = 0; i < priv->properties->len; i++) {
 635                 property = g_ptr_array_index (priv->properties, i);
 636                 if (!tp_strdiff (property->name, name)) {
 637                         GPtrArray   *properties;
 638                         GValueArray *prop;
 639                         GValue       id = {0, };
 640                         GValue       dest_value = {0, };
 641
 642                         if (!(property->flags & TP_PROPERTY_FLAG_WRITE)) {
 643                                 break;
 644                         }
 645
 646                         g_value_init (&id, G_TYPE_UINT);
 647                         g_value_init (&dest_value, G_TYPE_VALUE);
 648                         g_value_set_uint (&id, property->id);
 649                         g_value_set_boxed (&dest_value, value);
 650
 651                         prop = g_value_array_new (2);
 652                         g_value_array_append (prop, &id);
 653                         g_value_array_append (prop, &dest_value);
 654
 655                         properties = g_ptr_array_sized_new (1);
 656                         g_ptr_array_add (properties, prop);
 657
 658                         DEBUG ("Set property %s", name);
 659                         tp_cli_properties_interface_call_set_properties (priv->channel, -1,
 660                                                                          properties,
 661                                                                          (tp_cli_properties_interface_callback_for_set_properties)
 662                                                                          tp_chat_async_cb,
 663                                                                          "Seting property", NULL,
 664                                                                          G_OBJECT (chat));
 665
 666                         g_ptr_array_free (properties, TRUE);
 667                         g_value_array_free (prop);
 668
 669                         break;
 670                 }
 671         }
 672 }
 673
 674 static void
 675 tp_chat_dispose (GObject *object)
 676 {
 677         EmpathyTpChat *self = EMPATHY_TP_CHAT (object);
 678         EmpathyTpChatPriv *priv = GET_PRIV (self);
 679
 680         if (priv->dispose_has_run)
 681                 return;
 682
 683         priv->dispose_has_run = TRUE;
 684
 685         if (priv->channel != NULL) {
 686                 g_signal_handlers_disconnect_by_func (priv->channel,
 687                         tp_chat_invalidated_cb, self);
 688                 g_object_unref (priv->channel);
 689         }
 690         priv->channel = NULL;
 691
 692         if (priv->remote_contact != NULL)
 693                 g_object_unref (priv->remote_contact);
 694         priv->remote_contact = NULL;
 695
 696         if (priv->factory != NULL)
 697                 g_object_unref (priv->factory);
 698         priv->factory = NULL;
 699
 700         if (priv->user != NULL)
 701                 g_object_unref (priv->user);
 702         priv->user = NULL;
 703
 704         if (priv->contact_monitor)
 705                 g_object_unref (priv->contact_monitor);
 706         priv->contact_monitor = NULL;
 707
 708         g_queue_foreach (priv->messages_queue, (GFunc) g_object_unref, NULL);
 709         g_queue_clear (priv->messages_queue);
 710
 711         g_queue_foreach (priv->pending_messages_queue,
 712                 (GFunc) g_object_unref, NULL);
 713         g_queue_clear (priv->pending_messages_queue);
 714
 715         if (G_OBJECT_CLASS (empathy_tp_chat_parent_class)->dispose)
 716                 G_OBJECT_CLASS (empathy_tp_chat_parent_class)->dispose (object);
 717 }
 718
 719 static void
 720 tp_chat_finalize (GObject *object)
 721 {
 722         EmpathyTpChatPriv *priv = GET_PRIV (object);
 723         guint              i;
 724
 725         DEBUG ("Finalize: %p", object);
 726
 727         if (priv->properties) {
 728                 for (i = 0; i < priv->properties->len; i++) {
 729                         TpChatProperty *property;
 730
 731                         property = g_ptr_array_index (priv->properties, i);
 732                         g_free (property->name);
 733                         if (property->value) {
 734                                 tp_g_value_slice_free (property->value);
 735                         }
 736                         g_slice_free (TpChatProperty, property);
 737                 }
 738                 g_ptr_array_free (priv->properties, TRUE);
 739         }
 740
 741         g_queue_free (priv->messages_queue);
 742         g_queue_free (priv->pending_messages_queue);
 743
 744         G_OBJECT_CLASS (empathy_tp_chat_parent_class)->finalize (object);
 745 }
 746
 747 static void
 748 tp_chat_check_if_ready (EmpathyTpChat *chat)
 749 {
 750         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 751
 752         if (priv->ready || priv->user == NULL ||
 753             (priv->members == NULL && priv->remote_contact == NULL)) {
 754                 return;
 755         }
 756
 757         DEBUG ("Ready!");
 758
 759         tp_cli_channel_type_text_connect_to_received (priv->channel,
 760                                                       tp_chat_received_cb,
 761                                                       NULL, NULL,
 762                                                       G_OBJECT (chat), NULL);
 763         priv->listing_pending_messages = TRUE;
 764         tp_cli_channel_type_text_call_list_pending_messages (priv->channel, -1,
 765                                                              FALSE,
 766                                                              tp_chat_list_pending_messages_cb,
 767                                                              NULL, NULL,
 768                                                              G_OBJECT (chat));
 769
 770         tp_cli_channel_type_text_connect_to_sent (priv->channel,
 771                                                   tp_chat_sent_cb,
 772                                                   NULL, NULL,
 773                                                   G_OBJECT (chat), NULL);
 774         tp_cli_channel_type_text_connect_to_send_error (priv->channel,
 775                                                         tp_chat_send_error_cb,
 776                                                         NULL, NULL,
 777                                                         G_OBJECT (chat), NULL);
 778         tp_cli_channel_interface_chat_state_connect_to_chat_state_changed (priv->channel,
 779                                                                            tp_chat_state_changed_cb,
 780                                                                            NULL, NULL,
 781                                                                            G_OBJECT (chat), NULL);
 782         tp_cli_channel_interface_chat_state_connect_to_chat_state_changed (priv->channel,
 783                                                                            tp_chat_state_changed_cb,
 784                                                                            NULL, NULL,
 785                                                                            G_OBJECT (chat), NULL);
 786         priv->ready = TRUE;
 787         g_object_notify (G_OBJECT (chat), "ready");
 788 }
 789
 790 static void
 791 tp_chat_update_remote_contact (EmpathyTpChat *chat)
 792 {
 793         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 794         EmpathyContact *contact = NULL;
 795         TpHandle self_handle;
 796         TpHandleType handle_type;
 797         GList *l;
 798
 799         /* If this is a named chatroom, never pretend it is a private chat */
 800         tp_channel_get_handle (priv->channel, &handle_type);
 801         if (handle_type == TP_HANDLE_TYPE_ROOM) {
 802                 return;
 803         }
 804
 805         /* This is an MSN-like chat where anyone can join the chat at anytime.
 806          * If there is only one non-self contact member, we are in a private
 807          * chat and we set the "remote-contact" property to that contact. If
 808          * there are more, set the "remote-contact" property to NULL and the
 809          * UI will display a contact list. */
 810         self_handle = tp_channel_group_get_self_handle (priv->channel);
 811         for (l = priv->members; l; l = l->next) {
 812                 /* Skip self contact if member */
 813                 if (empathy_contact_get_handle (l->data) == self_handle) {
 814                         continue;
 815                 }
 816
 817                 /* We have more than one remote contact, break */
 818                 if (contact != NULL) {
 819                         contact = NULL;
 820                         break;
 821                 }
 822
 823                 /* If we didn't find yet a remote contact, keep this one */
 824                 contact = l->data;
 825         }
 826
 827         if (priv->remote_contact == contact) {
 828                 return;
 829         }
 830
 831         DEBUG ("Changing remote contact from %p to %p",
 832                 priv->remote_contact, contact);
 833
 834         if (priv->remote_contact) {
 835                 g_object_unref (priv->remote_contact);
 836         }
 837
 838         priv->remote_contact = contact ? g_object_ref (contact) : NULL;
 839         g_object_notify (G_OBJECT (chat), "remote-contact");
 840 }
 841
 842 static void
 843 tp_chat_got_added_contacts_cb (EmpathyTpContactFactory *factory,
 844                                guint                    n_contacts,
 845                                EmpathyContact * const * contacts,
 846                                guint                    n_failed,
 847                                const TpHandle          *failed,
 848                                const GError            *error,
 849                                gpointer                 user_data,
 850                                GObject                 *chat)
 851 {
 852         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 853         guint i;
 854         const TpIntSet *members;
 855         TpHandle handle;
 856         EmpathyContact *contact;
 857
 858         if (error) {
 859                 DEBUG ("Error: %s", error->message);
 860                 return;
 861         }
 862
 863         members = tp_channel_group_get_members (priv->channel);
 864         for (i = 0; i < n_contacts; i++) {
 865                 contact = contacts[i];
 866                 handle = empathy_contact_get_handle (contact);
 867
 868                 /* Make sure the contact is still member */
 869                 if (tp_intset_is_member (members, handle)) {
 870                         priv->members = g_list_prepend (priv->members,
 871                                 g_object_ref (contact));
 872                         g_signal_emit_by_name (chat, "members-changed",
 873                                                contact, NULL, 0, NULL, TRUE);
 874                 }
 875         }
 876
 877         tp_chat_update_remote_contact (EMPATHY_TP_CHAT (chat));
 878         tp_chat_check_if_ready (EMPATHY_TP_CHAT (chat));
 879 }
 880
 881 static EmpathyContact *
 882 chat_lookup_contact (EmpathyTpChat *chat,
 883                      TpHandle       handle,
 884                      gboolean       remove)
 885 {
 886         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 887         GList *l;
 888
 889         for (l = priv->members; l; l = l->next) {
 890                 EmpathyContact *c = l->data;
 891
 892                 if (empathy_contact_get_handle (c) != handle) {
 893                         continue;
 894                 }
 895
 896                 if (remove) {
 897                         /* Caller takes the reference. */
 898                         priv->members = g_list_delete_link (priv->members, l);
 899                 } else {
 900                         g_object_ref (c);
 901                 }
 902
 903                 return c;
 904         }
 905
 906         return NULL;
 907 }
 908
 909 static void
 910 tp_chat_group_members_changed_cb (TpChannel     *self,
 911                                   gchar         *message,
 912                                   GArray        *added,
 913                                   GArray        *removed,
 914                                   GArray        *local_pending,
 915                                   GArray        *remote_pending,
 916                                   guint          actor,
 917                                   guint          reason,
 918                                   EmpathyTpChat *chat)
 919 {
 920         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 921         EmpathyContact *contact;
 922         EmpathyContact *actor_contact = NULL;
 923         guint i;
 924
 925         if (actor != 0) {
 926                 actor_contact = chat_lookup_contact (chat, actor, FALSE);
 927                 if (actor_contact == NULL) {
 928                         /* FIXME: handle this a tad more gracefully: perhaps
 929                          * the actor was a server op. We could use the
 930                          * contact-ids detail of MembersChangedDetailed.
 931                          */
 932                         DEBUG ("actor %u not a channel member", actor);
 933                 }
 934         }
 935
 936         /* Remove contacts that are not members anymore */
 937         for (i = 0; i < removed->len; i++) {
 938                 contact = chat_lookup_contact (chat,
 939                         g_array_index (removed, TpHandle, i), TRUE);
 940
 941                 if (contact != NULL) {
 942                         g_signal_emit_by_name (chat, "members-changed", contact,
 943                                                actor_contact, reason, message,
 944                                                FALSE);
 945                         g_object_unref (contact);
 946                 }
 947         }
 948
 949         /* Request added contacts */
 950         if (added->len > 0) {
 951                 empathy_tp_contact_factory_get_from_handles (priv->factory,
 952                         added->len, (TpHandle *) added->data,
 953                         tp_chat_got_added_contacts_cb, NULL, NULL,
 954                         G_OBJECT (chat));
 955         }
 956
 957         tp_chat_update_remote_contact (chat);
 958
 959         if (actor_contact != NULL) {
 960                 g_object_unref (actor_contact);
 961         }
 962 }
 963
 964 static void
 965 tp_chat_got_remote_contact_cb (EmpathyTpContactFactory *factory,
 966                                EmpathyContact          *contact,
 967                                const GError            *error,
 968                                gpointer                 user_data,
 969                                GObject                 *chat)
 970 {
 971         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 972
 973         if (error) {
 974                 DEBUG ("Error: %s", error->message);
 975                 empathy_tp_chat_close (EMPATHY_TP_CHAT (chat));
 976                 return;
 977         }
 978
 979         priv->remote_contact = g_object_ref (contact);
 980         g_object_notify (chat, "remote-contact");
 981
 982         tp_chat_check_if_ready (EMPATHY_TP_CHAT (chat));
 983 }
 984
 985 static void
 986 tp_chat_got_self_contact_cb (EmpathyTpContactFactory *factory,
 987                              EmpathyContact          *contact,
 988                              const GError            *error,
 989                              gpointer                 user_data,
 990                              GObject                 *chat)
 991 {
 992         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 993
 994         if (error) {
 995                 DEBUG ("Error: %s", error->message);
 996                 empathy_tp_chat_close (EMPATHY_TP_CHAT (chat));
 997                 return;
 998         }
 999
1000         priv->user = g_object_ref (contact);
1001         empathy_contact_set_is_user (priv->user, TRUE);
1002         tp_chat_check_if_ready (EMPATHY_TP_CHAT (chat));
1003 }
1004
1005 static GObject *
1006 tp_chat_constructor (GType                  type,
1007                      guint                  n_props,
1008                      GObjectConstructParam *props)
1009 {
1010         GObject           *chat;
1011         EmpathyTpChatPriv *priv;
1012         TpConnection      *connection;
1013         TpHandle           handle;
1014
1015         chat = G_OBJECT_CLASS (empathy_tp_chat_parent_class)->constructor (type, n_props, props);
1016
1017         priv = GET_PRIV (chat);
1018
1019         connection = tp_channel_borrow_connection (priv->channel);
1020         priv->factory = empathy_tp_contact_factory_dup_singleton (connection);
1021         g_signal_connect (priv->channel, "invalidated",
1022                           G_CALLBACK (tp_chat_invalidated_cb),
1023                           chat);
1024
1025         if (tp_proxy_has_interface_by_id (priv->channel,
1026                                           TP_IFACE_QUARK_CHANNEL_INTERFACE_GROUP)) {
1027                 const TpIntSet *members;
1028                 GArray *handles;
1029
1030                 /* Get self contact from the group's self handle */
1031                 handle = tp_channel_group_get_self_handle (priv->channel);
1032                 empathy_tp_contact_factory_get_from_handle (priv->factory,
1033                         handle, tp_chat_got_self_contact_cb,
1034                         NULL, NULL, chat);
1035
1036                 /* Get initial member contacts */
1037                 members = tp_channel_group_get_members (priv->channel);
1038                 handles = tp_intset_to_array (members);
1039                 empathy_tp_contact_factory_get_from_handles (priv->factory,
1040                         handles->len, (TpHandle *) handles->data,
1041                         tp_chat_got_added_contacts_cb, NULL, NULL, chat);
1042
1043                 g_signal_connect (priv->channel, "group-members-changed",
1044                         G_CALLBACK (tp_chat_group_members_changed_cb), chat);
1045         } else {
1046                 /* Get the self contact from the connection's self handle */
1047                 handle = tp_connection_get_self_handle (connection);
1048                 empathy_tp_contact_factory_get_from_handle (priv->factory,
1049                         handle, tp_chat_got_self_contact_cb,
1050                         NULL, NULL, chat);
1051
1052                 /* Get the remote contact */
1053                 handle = tp_channel_get_handle (priv->channel, NULL);
1054                 empathy_tp_contact_factory_get_from_handle (priv->factory,
1055                         handle, tp_chat_got_remote_contact_cb,
1056                         NULL, NULL, chat);
1057         }
1058
1059         if (tp_proxy_has_interface_by_id (priv->channel,
1060                                           TP_IFACE_QUARK_PROPERTIES_INTERFACE)) {
1061                 tp_cli_properties_interface_call_list_properties (priv->channel, -1,
1062                                                                   tp_chat_list_properties_cb,
1063                                                                   NULL, NULL,
1064                                                                   G_OBJECT (chat));
1065                 tp_cli_properties_interface_connect_to_properties_changed (priv->channel,
1066                                                                            tp_chat_properties_changed_cb,
1067                                                                            NULL, NULL,
1068                                                                            G_OBJECT (chat), NULL);
1069                 tp_cli_properties_interface_connect_to_property_flags_changed (priv->channel,
1070                                                                                tp_chat_property_flags_changed_cb,
1071                                                                                NULL, NULL,
1072                                                                                G_OBJECT (chat), NULL);
1073         }
1074
1075         return chat;
1076 }
1077
1078 static void
1079 tp_chat_get_property (GObject    *object,
1080                       guint       param_id,
1081                       GValue     *value,
1082                       GParamSpec *pspec)
1083 {
1084         EmpathyTpChatPriv *priv = GET_PRIV (object);
1085
1086         switch (param_id) {
1087         case PROP_CHANNEL:
1088                 g_value_set_object (value, priv->channel);
1089                 break;
1090         case PROP_REMOTE_CONTACT:
1091                 g_value_set_object (value, priv->remote_contact);
1092                 break;
1093         case PROP_READY:
1094                 g_value_set_boolean (value, priv->ready);
1095                 break;
1096         default:
1097                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
1098                 break;
1099         };
1100 }
1101
1102 static void
1103 tp_chat_set_property (GObject      *object,
1104                       guint         param_id,
1105                       const GValue *value,
1106                       GParamSpec   *pspec)
1107 {
1108         EmpathyTpChatPriv *priv = GET_PRIV (object);
1109
1110         switch (param_id) {
1111         case PROP_CHANNEL:
1112                 priv->channel = g_value_dup_object (value);
1113                 break;
1114         default:
1115                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
1116                 break;
1117         };
1118 }
1119
1120 static void
1121 empathy_tp_chat_class_init (EmpathyTpChatClass *klass)
1122 {
1123         GObjectClass *object_class = G_OBJECT_CLASS (klass);
1124
1125         object_class->dispose = tp_chat_dispose;
1126         object_class->finalize = tp_chat_finalize;
1127         object_class->constructor = tp_chat_constructor;
1128         object_class->get_property = tp_chat_get_property;
1129         object_class->set_property = tp_chat_set_property;
1130
1131         g_object_class_install_property (object_class,
1132                                          PROP_CHANNEL,
1133                                          g_param_spec_object ("channel",
1134                                                               "telepathy channel",
1135                                                               "The text channel for the chat",
1136                                                               TP_TYPE_CHANNEL,
1137                                                               G_PARAM_READWRITE |
1138                                                               G_PARAM_CONSTRUCT_ONLY));
1139
1140         g_object_class_install_property (object_class,
1141                                          PROP_REMOTE_CONTACT,
1142                                          g_param_spec_object ("remote-contact",
1143                                                               "The remote contact",
1144                                                               "The remote contact if there is no group iface on the channel",
1145                                                               EMPATHY_TYPE_CONTACT,
1146                                                               G_PARAM_READABLE));
1147
1148         g_object_class_install_property (object_class,
1149                                          PROP_READY,
1150                                          g_param_spec_boolean ("ready",
1151                                                                "Is the object ready",
1152                                                                "This object can't be used until this becomes true",
1153                                                                FALSE,
1154                                                                G_PARAM_READABLE));
1155
1156         /* Signals */
1157         signals[MESSAGE_RECEIVED] =
1158                 g_signal_new ("message-received",
1159                               G_TYPE_FROM_CLASS (klass),
1160                               G_SIGNAL_RUN_LAST,
1161                               0,
1162                               NULL, NULL,
1163                               g_cclosure_marshal_VOID__OBJECT,
1164                               G_TYPE_NONE,
1165                               1, EMPATHY_TYPE_MESSAGE);
1166
1167         signals[SEND_ERROR] =
1168                 g_signal_new ("send-error",
1169                               G_TYPE_FROM_CLASS (klass),
1170                               G_SIGNAL_RUN_LAST,
1171                               0,
1172                               NULL, NULL,
1173                               _empathy_marshal_VOID__STRING_UINT,
1174                               G_TYPE_NONE,
1175                               2, G_TYPE_STRING, G_TYPE_UINT);
1176
1177         signals[CHAT_STATE_CHANGED] =
1178                 g_signal_new ("chat-state-changed",
1179                               G_TYPE_FROM_CLASS (klass),
1180                               G_SIGNAL_RUN_LAST,
1181                               0,
1182                               NULL, NULL,
1183                               _empathy_marshal_VOID__OBJECT_UINT,
1184                               G_TYPE_NONE,
1185                               2, EMPATHY_TYPE_CONTACT, G_TYPE_UINT);
1186
1187         signals[PROPERTY_CHANGED] =
1188                 g_signal_new ("property-changed",
1189                               G_TYPE_FROM_CLASS (klass),
1190                               G_SIGNAL_RUN_LAST,
1191                               0,
1192                               NULL, NULL,
1193                               _empathy_marshal_VOID__STRING_BOXED,
1194                               G_TYPE_NONE,
1195                               2, G_TYPE_STRING, G_TYPE_VALUE);
1196
1197         signals[DESTROY] =
1198                 g_signal_new ("destroy",
1199                               G_TYPE_FROM_CLASS (klass),
1200                               G_SIGNAL_RUN_LAST,
1201                               0,
1202                               NULL, NULL,
1203                               g_cclosure_marshal_VOID__VOID,
1204                               G_TYPE_NONE,
1205                               0);
1206
1207         g_type_class_add_private (object_class, sizeof (EmpathyTpChatPriv));
1208 }
1209
1210 static void
1211 empathy_tp_chat_init (EmpathyTpChat *chat)
1212 {
1213         EmpathyTpChatPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (chat,
1214                 EMPATHY_TYPE_TP_CHAT, EmpathyTpChatPriv);
1215
1216         chat->priv = priv;
1217         priv->contact_monitor = NULL;
1218         priv->messages_queue = g_queue_new ();
1219         priv->pending_messages_queue = g_queue_new ();
1220 }
1221
1222 static void
1223 tp_chat_iface_init (EmpathyContactListIface *iface)
1224 {
1225         iface->add         = tp_chat_add;
1226         iface->remove      = tp_chat_remove;
1227         iface->get_members = tp_chat_get_members;
1228         iface->get_monitor = tp_chat_get_monitor;
1229 }
1230
1231 EmpathyTpChat *
1232 empathy_tp_chat_new (TpChannel *channel)
1233 {
1234         return g_object_new (EMPATHY_TYPE_TP_CHAT,
1235                              "channel", channel,
1236                              NULL);
1237 }
1238
1239 void
1240 empathy_tp_chat_close (EmpathyTpChat *chat) {
1241         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1242
1243         /* If there are still messages left, it'll come back..
1244          * We loose the ordering of sent messages though */
1245         tp_cli_channel_call_close (priv->channel, -1, tp_chat_async_cb,
1246                 "closing channel", NULL, NULL);
1247 }
1248
1249 const gchar *
1250 empathy_tp_chat_get_id (EmpathyTpChat *chat)
1251 {
1252         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1253
1254         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (chat), NULL);
1255
1256         return tp_channel_get_identifier (priv->channel);
1257 }
1258
1259 EmpathyContact *
1260 empathy_tp_chat_get_remote_contact (EmpathyTpChat *chat)
1261 {
1262         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1263
1264         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (chat), NULL);
1265         g_return_val_if_fail (priv->ready, NULL);
1266
1267         return priv->remote_contact;
1268 }
1269
1270 TpChannel *
1271 empathy_tp_chat_get_channel (EmpathyTpChat *chat)
1272 {
1273         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1274
1275         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (chat), NULL);
1276
1277         return priv->channel;
1278 }
1279
1280 TpConnection *
1281 empathy_tp_chat_get_connection (EmpathyTpChat *chat)
1282 {
1283         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1284
1285         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (chat), NULL);
1286
1287         return tp_channel_borrow_connection (priv->channel);
1288 }
1289
1290 gboolean
1291 empathy_tp_chat_is_ready (EmpathyTpChat *chat)
1292 {
1293         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1294
1295         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (chat), FALSE);
1296
1297         return priv->ready;
1298 }
1299
1300 void
1301 empathy_tp_chat_send (EmpathyTpChat *chat,
1302                       EmpathyMessage *message)
1303 {
1304         EmpathyTpChatPriv        *priv = GET_PRIV (chat);
1305         const gchar              *message_body;
1306         TpChannelTextMessageType  message_type;
1307
1308         g_return_if_fail (EMPATHY_IS_TP_CHAT (chat));
1309         g_return_if_fail (EMPATHY_IS_MESSAGE (message));
1310         g_return_if_fail (priv->ready);
1311
1312         message_body = empathy_message_get_body (message);
1313         message_type = empathy_message_get_tptype (message);
1314
1315         DEBUG ("Sending message: %s", message_body);
1316         tp_cli_channel_type_text_call_send (priv->channel, -1,
1317                                             message_type,
1318                                             message_body,
1319                                             tp_chat_send_cb,
1320                                             g_object_ref (message),
1321                                             (GDestroyNotify) g_object_unref,
1322                                             G_OBJECT (chat));
1323 }
1324
1325 void
1326 empathy_tp_chat_set_state (EmpathyTpChat      *chat,
1327                            TpChannelChatState  state)
1328 {
1329         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1330
1331         g_return_if_fail (EMPATHY_IS_TP_CHAT (chat));
1332         g_return_if_fail (priv->ready);
1333
1334         if (tp_proxy_has_interface_by_id (priv->channel,
1335                                           TP_IFACE_QUARK_CHANNEL_INTERFACE_CHAT_STATE)) {
1336                 DEBUG ("Set state: %d", state);
1337                 tp_cli_channel_interface_chat_state_call_set_chat_state (priv->channel, -1,
1338                                                                          state,
1339                                                                          tp_chat_async_cb,
1340                                                                          "setting chat state",
1341                                                                          NULL,
1342                                                                          G_OBJECT (chat));
1343         }
1344 }
1345
1346
1347 const GList *
1348 empathy_tp_chat_get_pending_messages (EmpathyTpChat *chat)
1349 {
1350         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1351
1352         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (chat), NULL);
1353         g_return_val_if_fail (priv->ready, NULL);
1354
1355         return priv->pending_messages_queue->head;
1356 }
1357
1358 static void
1359 acknowledge_messages (EmpathyTpChat *chat, GArray *ids) {
1360         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1361
1362         tp_cli_channel_type_text_call_acknowledge_pending_messages (
1363                 priv->channel, -1, ids, tp_chat_async_cb,
1364                 "acknowledging received message", NULL, G_OBJECT (chat));
1365 }
1366
1367 void
1368 empathy_tp_chat_acknowledge_message (EmpathyTpChat *chat,
1369                                      EmpathyMessage *message) {
1370         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1371         GArray *message_ids;
1372         GList *m;
1373         guint id;
1374
1375         g_return_if_fail (EMPATHY_IS_TP_CHAT (chat));
1376         g_return_if_fail (priv->ready);
1377
1378         if (!empathy_message_is_incoming (message))
1379                 goto out;
1380
1381         message_ids = g_array_sized_new (FALSE, FALSE, sizeof (guint), 1);
1382
1383         id = empathy_message_get_id (message);
1384         g_array_append_val (message_ids, id);
1385         acknowledge_messages (chat, message_ids);
1386         g_array_free (message_ids, TRUE);
1387
1388 out:
1389         m = g_queue_find (priv->pending_messages_queue, message);
1390         g_assert (m != NULL);
1391         g_queue_delete_link (priv->pending_messages_queue, m);
1392         g_object_unref (message);
1393 }
1394
1395 void
1396 empathy_tp_chat_acknowledge_messages (EmpathyTpChat *chat,
1397                                       const GList *messages) {
1398         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1399         /* Copy messages as the messges list (probably is) our own */
1400         GList *msgs = g_list_copy ((GList *) messages);
1401         GList *l;
1402         guint length;
1403         GArray *message_ids;
1404
1405         g_return_if_fail (EMPATHY_IS_TP_CHAT (chat));
1406         g_return_if_fail (priv->ready);
1407
1408         length = g_list_length ((GList *) messages);
1409
1410         if (length == 0)
1411                 return;
1412
1413         message_ids = g_array_sized_new (FALSE, FALSE, sizeof (guint), length);
1414
1415         for (l = msgs; l != NULL; l = g_list_next (l)) {
1416                 GList *m;
1417
1418                 EmpathyMessage *message = EMPATHY_MESSAGE (l->data);
1419
1420                 m = g_queue_find (priv->pending_messages_queue, message);
1421                 g_assert (m != NULL);
1422                 g_queue_delete_link (priv->pending_messages_queue, m);
1423
1424                 if (empathy_message_is_incoming (message)) {
1425                         guint id = empathy_message_get_id (message);
1426                         g_array_append_val (message_ids, id);
1427                 }
1428                 g_object_unref (message);
1429         }
1430
1431         if (message_ids->len > 0)
1432                 acknowledge_messages (chat, message_ids);
1433
1434         g_array_free (message_ids, TRUE);
1435         g_list_free (msgs);
1436 }
1437