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                 if (priv->remote_contact != NULL)
 168                         members = g_list_prepend (members, g_object_ref (priv->remote_contact));
 169         }
 170
 171         return members;
 172 }
 173
 174 static EmpathyContactMonitor *
 175 tp_chat_get_monitor (EmpathyContactList *list)
 176 {
 177         EmpathyTpChatPriv *priv;
 178
 179         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (list), NULL);
 180
 181         priv = GET_PRIV (list);
 182
 183         if (priv->contact_monitor == NULL) {
 184                 priv->contact_monitor = empathy_contact_monitor_new_for_iface (list);
 185         }
 186
 187         return priv->contact_monitor;
 188 }
 189
 190 static void
 191 tp_chat_emit_queued_messages (EmpathyTpChat *chat)
 192 {
 193         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 194         EmpathyMessage    *message;
 195
 196         /* Check if we can now emit some queued messages */
 197         while ((message = g_queue_peek_head (priv->messages_queue)) != NULL) {
 198                 if (empathy_message_get_sender (message) == NULL) {
 199                         break;
 200                 }
 201
 202                 DEBUG ("Queued message ready");
 203                 g_queue_pop_head (priv->messages_queue);
 204                 g_queue_push_tail (priv->pending_messages_queue, message);
 205                 g_signal_emit (chat, signals[MESSAGE_RECEIVED], 0, message);
 206         }
 207 }
 208
 209 static void
 210 tp_chat_got_sender_cb (EmpathyTpContactFactory *factory,
 211                        EmpathyContact          *contact,
 212                        const GError            *error,
 213                        gpointer                 message,
 214                        GObject                 *chat)
 215 {
 216         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 217
 218         if (error) {
 219                 DEBUG ("Error: %s", error->message);
 220                 /* Do not block the message queue, just drop this message */
 221                 g_queue_remove (priv->messages_queue, message);
 222         } else {
 223                 empathy_message_set_sender (message, contact);
 224         }
 225
 226         tp_chat_emit_queued_messages (EMPATHY_TP_CHAT (chat));
 227 }
 228
 229 static void
 230 tp_chat_build_message (EmpathyTpChat *chat,
 231                        gboolean       incoming,
 232                        guint          id,
 233                        guint          type,
 234                        guint          timestamp,
 235                        guint          from_handle,
 236                        const gchar   *message_body)
 237 {
 238         EmpathyTpChatPriv *priv;
 239         EmpathyMessage    *message;
 240
 241         priv = GET_PRIV (chat);
 242
 243         message = empathy_message_new (message_body);
 244         empathy_message_set_tptype (message, type);
 245         empathy_message_set_receiver (message, priv->user);
 246         empathy_message_set_timestamp (message, timestamp);
 247         empathy_message_set_id (message, id);
 248         empathy_message_set_incoming (message, incoming);
 249
 250         g_queue_push_tail (priv->messages_queue, message);
 251
 252         if (from_handle == 0) {
 253                 empathy_message_set_sender (message, priv->user);
 254                 tp_chat_emit_queued_messages (chat);
 255         } else {
 256                 empathy_tp_contact_factory_get_from_handle (priv->factory,
 257                         from_handle,
 258                         tp_chat_got_sender_cb,
 259                         message, NULL, G_OBJECT (chat));
 260         }
 261 }
 262
 263 static void
 264 tp_chat_received_cb (TpChannel   *channel,
 265                      guint        message_id,
 266                      guint        timestamp,
 267                      guint        from_handle,
 268                      guint        message_type,
 269                      guint        message_flags,
 270                      const gchar *message_body,
 271                      gpointer     user_data,
 272                      GObject     *chat_)
 273 {
 274         EmpathyTpChat *chat = EMPATHY_TP_CHAT (chat_);
 275         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 276
 277         if (priv->channel == NULL)
 278                 return;
 279
 280         if (priv->listing_pending_messages) {
 281                 return;
 282         }
 283
 284         DEBUG ("Message received: %s", message_body);
 285
 286         if (message_flags & TP_CHANNEL_TEXT_MESSAGE_FLAG_NON_TEXT_CONTENT &&
 287             !tp_strdiff (message_body, "")) {
 288                 GArray *ids;
 289
 290                 DEBUG ("Empty message with NonTextContent, ignoring and acking.");
 291
 292                 ids = g_array_sized_new (FALSE, FALSE, sizeof (guint), 1);
 293                 g_array_append_val (ids, message_id);
 294                 acknowledge_messages (chat, ids);
 295                 g_array_free (ids, TRUE);
 296
 297                 return;
 298         }
 299
 300         tp_chat_build_message (chat,
 301                                TRUE,
 302                                message_id,
 303                                message_type,
 304                                timestamp,
 305                                from_handle,
 306                                message_body);
 307 }
 308
 309 static void
 310 tp_chat_sent_cb (TpChannel   *channel,
 311                  guint        timestamp,
 312                  guint        message_type,
 313                  const gchar *message_body,
 314                  gpointer     user_data,
 315                  GObject     *chat_)
 316 {
 317         EmpathyTpChat *chat = EMPATHY_TP_CHAT (chat_);
 318         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 319
 320         if (priv->channel == NULL)
 321                 return;
 322
 323         DEBUG ("Message sent: %s", message_body);
 324
 325         tp_chat_build_message (chat,
 326                                FALSE,
 327                                0,
 328                                message_type,
 329                                timestamp,
 330                                0,
 331                                message_body);
 332 }
 333
 334 static void
 335 tp_chat_send_error_cb (TpChannel   *channel,
 336                        guint        error_code,
 337                        guint        timestamp,
 338                        guint        message_type,
 339                        const gchar *message_body,
 340                        gpointer     user_data,
 341                        GObject     *chat)
 342 {
 343         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 344
 345         if (priv->channel == NULL)
 346                 return;
 347
 348         DEBUG ("Error sending '%s' (%d)", message_body, error_code);
 349
 350         g_signal_emit (chat, signals[SEND_ERROR], 0, message_body, error_code);
 351 }
 352
 353 static void
 354 tp_chat_send_cb (TpChannel    *proxy,
 355                  const GError *error,
 356                  gpointer      user_data,
 357                  GObject      *chat)
 358 {
 359         EmpathyMessage *message = EMPATHY_MESSAGE (user_data);
 360
 361         if (error) {
 362                 DEBUG ("Error: %s", error->message);
 363                 g_signal_emit (chat, signals[SEND_ERROR], 0,
 364                                empathy_message_get_body (message),
 365                                TP_CHANNEL_TEXT_SEND_ERROR_UNKNOWN);
 366         }
 367 }
 368
 369 typedef struct {
 370         EmpathyTpChat *chat;
 371         TpChannelChatState state;
 372 } StateChangedData;
 373
 374 static void
 375 tp_chat_state_changed_got_contact_cb (EmpathyTpContactFactory *factory,
 376                                       EmpathyContact          *contact,
 377                                       const GError            *error,
 378                                       gpointer                 user_data,
 379                                       GObject                 *chat)
 380 {
 381         TpChannelChatState state;
 382
 383         if (error) {
 384                 DEBUG ("Error: %s", error->message);
 385                 return;
 386         }
 387
 388         state = GPOINTER_TO_UINT (user_data);
 389         DEBUG ("Chat state changed for %s (%d): %d",
 390                 empathy_contact_get_name (contact),
 391                 empathy_contact_get_handle (contact), state);
 392
 393         g_signal_emit (chat, signals[CHAT_STATE_CHANGED], 0, contact, state);
 394 }
 395
 396 static void
 397 tp_chat_state_changed_cb (TpChannel *channel,
 398                           TpHandle   handle,
 399                           TpChannelChatState state,
 400                           gpointer   user_data,
 401                           GObject   *chat)
 402 {
 403         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 404
 405         empathy_tp_contact_factory_get_from_handle (priv->factory, handle,
 406                 tp_chat_state_changed_got_contact_cb, GUINT_TO_POINTER (state),
 407                 NULL, chat);
 408 }
 409
 410 static void
 411 tp_chat_list_pending_messages_cb (TpChannel       *channel,
 412                                   const GPtrArray *messages_list,
 413                                   const GError    *error,
 414                                   gpointer         user_data,
 415                                   GObject         *chat_)
 416 {
 417         EmpathyTpChat     *chat = EMPATHY_TP_CHAT (chat_);
 418         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 419         guint              i;
 420         GArray            *empty_non_text_content_ids = NULL;
 421
 422         priv->listing_pending_messages = FALSE;
 423
 424         if (priv->channel == NULL)
 425                 return;
 426
 427         if (error) {
 428                 DEBUG ("Error listing pending messages: %s", error->message);
 429                 return;
 430         }
 431
 432         for (i = 0; i < messages_list->len; i++) {
 433                 GValueArray    *message_struct;
 434                 const gchar    *message_body;
 435                 guint           message_id;
 436                 guint           timestamp;
 437                 guint           from_handle;
 438                 guint           message_type;
 439                 guint           message_flags;
 440
 441                 message_struct = g_ptr_array_index (messages_list, i);
 442
 443                 message_id = g_value_get_uint (g_value_array_get_nth (message_struct, 0));
 444                 timestamp = g_value_get_uint (g_value_array_get_nth (message_struct, 1));
 445                 from_handle = g_value_get_uint (g_value_array_get_nth (message_struct, 2));
 446                 message_type = g_value_get_uint (g_value_array_get_nth (message_struct, 3));
 447                 message_flags = g_value_get_uint (g_value_array_get_nth (message_struct, 4));
 448                 message_body = g_value_get_string (g_value_array_get_nth (message_struct, 5));
 449
 450                 DEBUG ("Message pending: %s", message_body);
 451
 452                 if (message_flags & TP_CHANNEL_TEXT_MESSAGE_FLAG_NON_TEXT_CONTENT &&
 453                     !tp_strdiff (message_body, "")) {
 454                         DEBUG ("Empty message with NonTextContent, ignoring and acking.");
 455
 456                         if (empty_non_text_content_ids == NULL) {
 457                                 empty_non_text_content_ids = g_array_new (FALSE, FALSE, sizeof (guint));
 458                         }
 459
 460                         g_array_append_val (empty_non_text_content_ids, message_id);
 461                         continue;
 462                 }
 463
 464                 tp_chat_build_message (chat,
 465                                        TRUE,
 466                                        message_id,
 467                                        message_type,
 468                                        timestamp,
 469                                        from_handle,
 470                                        message_body);
 471         }
 472
 473         if (empty_non_text_content_ids != NULL) {
 474                 acknowledge_messages (chat, empty_non_text_content_ids);
 475                 g_array_free (empty_non_text_content_ids, TRUE);
 476         }
 477 }
 478
 479 static void
 480 tp_chat_property_flags_changed_cb (TpProxy         *proxy,
 481                                    const GPtrArray *properties,
 482                                    gpointer         user_data,
 483                                    GObject         *chat)
 484 {
 485         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 486         guint              i, j;
 487
 488         if (priv->channel == NULL)
 489                 return;
 490
 491         if (!priv->had_properties_list || !properties) {
 492                 return;
 493         }
 494
 495         for (i = 0; i < properties->len; i++) {
 496                 GValueArray    *prop_struct;
 497                 TpChatProperty *property;
 498                 guint           id;
 499                 guint           flags;
 500
 501                 prop_struct = g_ptr_array_index (properties, i);
 502                 id = g_value_get_uint (g_value_array_get_nth (prop_struct, 0));
 503                 flags = g_value_get_uint (g_value_array_get_nth (prop_struct, 1));
 504
 505                 for (j = 0; j < priv->properties->len; j++) {
 506                         property = g_ptr_array_index (priv->properties, j);
 507                         if (property->id == id) {
 508                                 property->flags = flags;
 509                                 DEBUG ("property %s flags changed: %d",
 510                                         property->name, property->flags);
 511                                 break;
 512                         }
 513                 }
 514         }
 515 }
 516
 517 static void
 518 tp_chat_properties_changed_cb (TpProxy         *proxy,
 519                                const GPtrArray *properties,
 520                                gpointer         user_data,
 521                                GObject         *chat)
 522 {
 523         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 524         guint              i, j;
 525
 526         if (priv->channel == NULL)
 527                 return;
 528
 529         if (!priv->had_properties_list || !properties) {
 530                 return;
 531         }
 532
 533         for (i = 0; i < properties->len; i++) {
 534                 GValueArray    *prop_struct;
 535                 TpChatProperty *property;
 536                 guint           id;
 537                 GValue         *src_value;
 538
 539                 prop_struct = g_ptr_array_index (properties, i);
 540                 id = g_value_get_uint (g_value_array_get_nth (prop_struct, 0));
 541                 src_value = g_value_get_boxed (g_value_array_get_nth (prop_struct, 1));
 542
 543                 for (j = 0; j < priv->properties->len; j++) {
 544                         property = g_ptr_array_index (priv->properties, j);
 545                         if (property->id == id) {
 546                                 if (property->value) {
 547                                         g_value_copy (src_value, property->value);
 548                                 } else {
 549                                         property->value = tp_g_value_slice_dup (src_value);
 550                                 }
 551
 552                                 DEBUG ("property %s changed", property->name);
 553                                 g_signal_emit (chat, signals[PROPERTY_CHANGED], 0,
 554                                                property->name, property->value);
 555                                 break;
 556                         }
 557                 }
 558         }
 559 }
 560
 561 static void
 562 tp_chat_get_properties_cb (TpProxy         *proxy,
 563                            const GPtrArray *properties,
 564                            const GError    *error,
 565                            gpointer         user_data,
 566                            GObject         *chat)
 567 {
 568         if (error) {
 569                 DEBUG ("Error getting properties: %s", error->message);
 570                 return;
 571         }
 572
 573         tp_chat_properties_changed_cb (proxy, properties, user_data, chat);
 574 }
 575
 576 static void
 577 tp_chat_list_properties_cb (TpProxy         *proxy,
 578                             const GPtrArray *properties,
 579                             const GError    *error,
 580                             gpointer         user_data,
 581                             GObject         *chat)
 582 {
 583         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 584         GArray            *ids;
 585         guint              i;
 586
 587         if (priv->channel == NULL)
 588                 return;
 589
 590         priv->had_properties_list = TRUE;
 591
 592         if (error) {
 593                 DEBUG ("Error listing properties: %s", error->message);
 594                 return;
 595         }
 596
 597         ids = g_array_sized_new (FALSE, FALSE, sizeof (guint), properties->len);
 598         priv->properties = g_ptr_array_sized_new (properties->len);
 599         for (i = 0; i < properties->len; i++) {
 600                 GValueArray    *prop_struct;
 601                 TpChatProperty *property;
 602
 603                 prop_struct = g_ptr_array_index (properties, i);
 604                 property = g_slice_new0 (TpChatProperty);
 605                 property->id = g_value_get_uint (g_value_array_get_nth (prop_struct, 0));
 606                 property->name = g_value_dup_string (g_value_array_get_nth (prop_struct, 1));
 607                 property->flags = g_value_get_uint (g_value_array_get_nth (prop_struct, 3));
 608
 609                 DEBUG ("Adding property name=%s id=%d flags=%d",
 610                         property->name, property->id, property->flags);
 611                 g_ptr_array_add (priv->properties, property);
 612                 if (property->flags & TP_PROPERTY_FLAG_READ) {
 613                         g_array_append_val (ids, property->id);
 614                 }
 615         }
 616
 617         tp_cli_properties_interface_call_get_properties (proxy, -1,
 618                                                          ids,
 619                                                          tp_chat_get_properties_cb,
 620                                                          NULL, NULL,
 621                                                          chat);
 622
 623         g_array_free (ids, TRUE);
 624 }
 625
 626 void
 627 empathy_tp_chat_set_property (EmpathyTpChat *chat,
 628                               const gchar   *name,
 629                               const GValue  *value)
 630 {
 631         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 632         TpChatProperty    *property;
 633         guint              i;
 634
 635         for (i = 0; i < priv->properties->len; i++) {
 636                 property = g_ptr_array_index (priv->properties, i);
 637                 if (!tp_strdiff (property->name, name)) {
 638                         GPtrArray   *properties;
 639                         GValueArray *prop;
 640                         GValue       id = {0, };
 641                         GValue       dest_value = {0, };
 642
 643                         if (!(property->flags & TP_PROPERTY_FLAG_WRITE)) {
 644                                 break;
 645                         }
 646
 647                         g_value_init (&id, G_TYPE_UINT);
 648                         g_value_init (&dest_value, G_TYPE_VALUE);
 649                         g_value_set_uint (&id, property->id);
 650                         g_value_set_boxed (&dest_value, value);
 651
 652                         prop = g_value_array_new (2);
 653                         g_value_array_append (prop, &id);
 654                         g_value_array_append (prop, &dest_value);
 655
 656                         properties = g_ptr_array_sized_new (1);
 657                         g_ptr_array_add (properties, prop);
 658
 659                         DEBUG ("Set property %s", name);
 660                         tp_cli_properties_interface_call_set_properties (priv->channel, -1,
 661                                                                          properties,
 662                                                                          (tp_cli_properties_interface_callback_for_set_properties)
 663                                                                          tp_chat_async_cb,
 664                                                                          "Seting property", NULL,
 665                                                                          G_OBJECT (chat));
 666
 667                         g_ptr_array_free (properties, TRUE);
 668                         g_value_array_free (prop);
 669
 670                         break;
 671                 }
 672         }
 673 }
 674
 675 static void
 676 tp_chat_dispose (GObject *object)
 677 {
 678         EmpathyTpChat *self = EMPATHY_TP_CHAT (object);
 679         EmpathyTpChatPriv *priv = GET_PRIV (self);
 680
 681         if (priv->dispose_has_run)
 682                 return;
 683
 684         priv->dispose_has_run = TRUE;
 685
 686         if (priv->channel != NULL) {
 687                 g_signal_handlers_disconnect_by_func (priv->channel,
 688                         tp_chat_invalidated_cb, self);
 689                 g_object_unref (priv->channel);
 690         }
 691         priv->channel = NULL;
 692
 693         if (priv->remote_contact != NULL)
 694                 g_object_unref (priv->remote_contact);
 695         priv->remote_contact = NULL;
 696
 697         if (priv->factory != NULL)
 698                 g_object_unref (priv->factory);
 699         priv->factory = NULL;
 700
 701         if (priv->user != NULL)
 702                 g_object_unref (priv->user);
 703         priv->user = NULL;
 704
 705         if (priv->contact_monitor)
 706                 g_object_unref (priv->contact_monitor);
 707         priv->contact_monitor = NULL;
 708
 709         g_queue_foreach (priv->messages_queue, (GFunc) g_object_unref, NULL);
 710         g_queue_clear (priv->messages_queue);
 711
 712         g_queue_foreach (priv->pending_messages_queue,
 713                 (GFunc) g_object_unref, NULL);
 714         g_queue_clear (priv->pending_messages_queue);
 715
 716         if (G_OBJECT_CLASS (empathy_tp_chat_parent_class)->dispose)
 717                 G_OBJECT_CLASS (empathy_tp_chat_parent_class)->dispose (object);
 718 }
 719
 720 static void
 721 tp_chat_finalize (GObject *object)
 722 {
 723         EmpathyTpChatPriv *priv = GET_PRIV (object);
 724         guint              i;
 725
 726         DEBUG ("Finalize: %p", object);
 727
 728         if (priv->properties) {
 729                 for (i = 0; i < priv->properties->len; i++) {
 730                         TpChatProperty *property;
 731
 732                         property = g_ptr_array_index (priv->properties, i);
 733                         g_free (property->name);
 734                         if (property->value) {
 735                                 tp_g_value_slice_free (property->value);
 736                         }
 737                         g_slice_free (TpChatProperty, property);
 738                 }
 739                 g_ptr_array_free (priv->properties, TRUE);
 740         }
 741
 742         g_queue_free (priv->messages_queue);
 743         g_queue_free (priv->pending_messages_queue);
 744
 745         G_OBJECT_CLASS (empathy_tp_chat_parent_class)->finalize (object);
 746 }
 747
 748 static void
 749 tp_chat_check_if_ready (EmpathyTpChat *chat)
 750 {
 751         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 752
 753         if (priv->ready || priv->user == NULL ||
 754             (priv->members == NULL && priv->remote_contact == NULL)) {
 755                 return;
 756         }
 757
 758         DEBUG ("Ready!");
 759
 760         tp_cli_channel_type_text_connect_to_received (priv->channel,
 761                                                       tp_chat_received_cb,
 762                                                       NULL, NULL,
 763                                                       G_OBJECT (chat), NULL);
 764         priv->listing_pending_messages = TRUE;
 765         tp_cli_channel_type_text_call_list_pending_messages (priv->channel, -1,
 766                                                              FALSE,
 767                                                              tp_chat_list_pending_messages_cb,
 768                                                              NULL, NULL,
 769                                                              G_OBJECT (chat));
 770
 771         tp_cli_channel_type_text_connect_to_sent (priv->channel,
 772                                                   tp_chat_sent_cb,
 773                                                   NULL, NULL,
 774                                                   G_OBJECT (chat), NULL);
 775         tp_cli_channel_type_text_connect_to_send_error (priv->channel,
 776                                                         tp_chat_send_error_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         tp_cli_channel_interface_chat_state_connect_to_chat_state_changed (priv->channel,
 784                                                                            tp_chat_state_changed_cb,
 785                                                                            NULL, NULL,
 786                                                                            G_OBJECT (chat), NULL);
 787         priv->ready = TRUE;
 788         g_object_notify (G_OBJECT (chat), "ready");
 789 }
 790
 791 static void
 792 tp_chat_update_remote_contact (EmpathyTpChat *chat)
 793 {
 794         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 795         EmpathyContact *contact = NULL;
 796         TpHandle self_handle;
 797         TpHandleType handle_type;
 798         GList *l;
 799
 800         /* If this is a named chatroom, never pretend it is a private chat */
 801         tp_channel_get_handle (priv->channel, &handle_type);
 802         if (handle_type == TP_HANDLE_TYPE_ROOM) {
 803                 return;
 804         }
 805
 806         /* This is an MSN-like chat where anyone can join the chat at anytime.
 807          * If there is only one non-self contact member, we are in a private
 808          * chat and we set the "remote-contact" property to that contact. If
 809          * there are more, set the "remote-contact" property to NULL and the
 810          * UI will display a contact list. */
 811         self_handle = tp_channel_group_get_self_handle (priv->channel);
 812         for (l = priv->members; l; l = l->next) {
 813                 /* Skip self contact if member */
 814                 if (empathy_contact_get_handle (l->data) == self_handle) {
 815                         continue;
 816                 }
 817
 818                 /* We have more than one remote contact, break */
 819                 if (contact != NULL) {
 820                         contact = NULL;
 821                         break;
 822                 }
 823
 824                 /* If we didn't find yet a remote contact, keep this one */
 825                 contact = l->data;
 826         }
 827
 828         if (priv->remote_contact == contact) {
 829                 return;
 830         }
 831
 832         DEBUG ("Changing remote contact from %p to %p",
 833                 priv->remote_contact, contact);
 834
 835         if (priv->remote_contact) {
 836                 g_object_unref (priv->remote_contact);
 837         }
 838
 839         priv->remote_contact = contact ? g_object_ref (contact) : NULL;
 840         g_object_notify (G_OBJECT (chat), "remote-contact");
 841 }
 842
 843 static void
 844 tp_chat_got_added_contacts_cb (EmpathyTpContactFactory *factory,
 845                                guint                    n_contacts,
 846                                EmpathyContact * const * contacts,
 847                                guint                    n_failed,
 848                                const TpHandle          *failed,
 849                                const GError            *error,
 850                                gpointer                 user_data,
 851                                GObject                 *chat)
 852 {
 853         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 854         guint i;
 855         const TpIntSet *members;
 856         TpHandle handle;
 857         EmpathyContact *contact;
 858
 859         if (error) {
 860                 DEBUG ("Error: %s", error->message);
 861                 return;
 862         }
 863
 864         members = tp_channel_group_get_members (priv->channel);
 865         for (i = 0; i < n_contacts; i++) {
 866                 contact = contacts[i];
 867                 handle = empathy_contact_get_handle (contact);
 868
 869                 /* Make sure the contact is still member */
 870                 if (tp_intset_is_member (members, handle)) {
 871                         priv->members = g_list_prepend (priv->members,
 872                                 g_object_ref (contact));
 873                         g_signal_emit_by_name (chat, "members-changed",
 874                                                contact, NULL, 0, NULL, TRUE);
 875                 }
 876         }
 877
 878         tp_chat_update_remote_contact (EMPATHY_TP_CHAT (chat));
 879         tp_chat_check_if_ready (EMPATHY_TP_CHAT (chat));
 880 }
 881
 882 static EmpathyContact *
 883 chat_lookup_contact (EmpathyTpChat *chat,
 884                      TpHandle       handle,
 885                      gboolean       remove_)
 886 {
 887         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 888         GList *l;
 889
 890         for (l = priv->members; l; l = l->next) {
 891                 EmpathyContact *c = l->data;
 892
 893                 if (empathy_contact_get_handle (c) != handle) {
 894                         continue;
 895                 }
 896
 897                 if (remove_) {
 898                         /* Caller takes the reference. */
 899                         priv->members = g_list_delete_link (priv->members, l);
 900                 } else {
 901                         g_object_ref (c);
 902                 }
 903
 904                 return c;
 905         }
 906
 907         return NULL;
 908 }
 909
 910 static void
 911 tp_chat_group_members_changed_cb (TpChannel     *self,
 912                                   gchar         *message,
 913                                   GArray        *added,
 914                                   GArray        *removed,
 915                                   GArray        *local_pending,
 916                                   GArray        *remote_pending,
 917                                   guint          actor,
 918                                   guint          reason,
 919                                   EmpathyTpChat *chat)
 920 {
 921         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 922         EmpathyContact *contact;
 923         EmpathyContact *actor_contact = NULL;
 924         guint i;
 925
 926         if (actor != 0) {
 927                 actor_contact = chat_lookup_contact (chat, actor, FALSE);
 928                 if (actor_contact == NULL) {
 929                         /* FIXME: handle this a tad more gracefully: perhaps
 930                          * the actor was a server op. We could use the
 931                          * contact-ids detail of MembersChangedDetailed.
 932                          */
 933                         DEBUG ("actor %u not a channel member", actor);
 934                 }
 935         }
 936
 937         /* Remove contacts that are not members anymore */
 938         for (i = 0; i < removed->len; i++) {
 939                 contact = chat_lookup_contact (chat,
 940                         g_array_index (removed, TpHandle, i), TRUE);
 941
 942                 if (contact != NULL) {
 943                         g_signal_emit_by_name (chat, "members-changed", contact,
 944                                                actor_contact, reason, message,
 945                                                FALSE);
 946                         g_object_unref (contact);
 947                 }
 948         }
 949
 950         /* Request added contacts */
 951         if (added->len > 0) {
 952                 empathy_tp_contact_factory_get_from_handles (priv->factory,
 953                         added->len, (TpHandle *) added->data,
 954                         tp_chat_got_added_contacts_cb, NULL, NULL,
 955                         G_OBJECT (chat));
 956         }
 957
 958         tp_chat_update_remote_contact (chat);
 959
 960         if (actor_contact != NULL) {
 961                 g_object_unref (actor_contact);
 962         }
 963 }
 964
 965 static void
 966 tp_chat_got_remote_contact_cb (EmpathyTpContactFactory *factory,
 967                                EmpathyContact          *contact,
 968                                const GError            *error,
 969                                gpointer                 user_data,
 970                                GObject                 *chat)
 971 {
 972         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 973
 974         if (error) {
 975                 DEBUG ("Error: %s", error->message);
 976                 empathy_tp_chat_close (EMPATHY_TP_CHAT (chat));
 977                 return;
 978         }
 979
 980         priv->remote_contact = g_object_ref (contact);
 981         g_object_notify (chat, "remote-contact");
 982
 983         tp_chat_check_if_ready (EMPATHY_TP_CHAT (chat));
 984 }
 985
 986 static void
 987 tp_chat_got_self_contact_cb (EmpathyTpContactFactory *factory,
 988                              EmpathyContact          *contact,
 989                              const GError            *error,
 990                              gpointer                 user_data,
 991                              GObject                 *chat)
 992 {
 993         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 994
 995         if (error) {
 996                 DEBUG ("Error: %s", error->message);
 997                 empathy_tp_chat_close (EMPATHY_TP_CHAT (chat));
 998                 return;
 999         }
1000
1001         priv->user = g_object_ref (contact);
1002         empathy_contact_set_is_user (priv->user, TRUE);
1003         tp_chat_check_if_ready (EMPATHY_TP_CHAT (chat));
1004 }
1005
1006 static GObject *
1007 tp_chat_constructor (GType                  type,
1008                      guint                  n_props,
1009                      GObjectConstructParam *props)
1010 {
1011         GObject           *chat;
1012         EmpathyTpChatPriv *priv;
1013         TpConnection      *connection;
1014         TpHandle           handle;
1015
1016         chat = G_OBJECT_CLASS (empathy_tp_chat_parent_class)->constructor (type, n_props, props);
1017
1018         priv = GET_PRIV (chat);
1019
1020         connection = tp_channel_borrow_connection (priv->channel);
1021         priv->factory = empathy_tp_contact_factory_dup_singleton (connection);
1022         g_signal_connect (priv->channel, "invalidated",
1023                           G_CALLBACK (tp_chat_invalidated_cb),
1024                           chat);
1025
1026         if (tp_proxy_has_interface_by_id (priv->channel,
1027                                           TP_IFACE_QUARK_CHANNEL_INTERFACE_GROUP)) {
1028                 const TpIntSet *members;
1029                 GArray *handles;
1030
1031                 /* Get self contact from the group's self handle */
1032                 handle = tp_channel_group_get_self_handle (priv->channel);
1033                 empathy_tp_contact_factory_get_from_handle (priv->factory,
1034                         handle, tp_chat_got_self_contact_cb,
1035                         NULL, NULL, chat);
1036
1037                 /* Get initial member contacts */
1038                 members = tp_channel_group_get_members (priv->channel);
1039                 handles = tp_intset_to_array (members);
1040                 empathy_tp_contact_factory_get_from_handles (priv->factory,
1041                         handles->len, (TpHandle *) handles->data,
1042                         tp_chat_got_added_contacts_cb, NULL, NULL, chat);
1043
1044                 g_signal_connect (priv->channel, "group-members-changed",
1045                         G_CALLBACK (tp_chat_group_members_changed_cb), chat);
1046         } else {
1047                 /* Get the self contact from the connection's self handle */
1048                 handle = tp_connection_get_self_handle (connection);
1049                 empathy_tp_contact_factory_get_from_handle (priv->factory,
1050                         handle, tp_chat_got_self_contact_cb,
1051                         NULL, NULL, chat);
1052
1053                 /* Get the remote contact */
1054                 handle = tp_channel_get_handle (priv->channel, NULL);
1055                 empathy_tp_contact_factory_get_from_handle (priv->factory,
1056                         handle, tp_chat_got_remote_contact_cb,
1057                         NULL, NULL, chat);
1058         }
1059
1060         if (tp_proxy_has_interface_by_id (priv->channel,
1061                                           TP_IFACE_QUARK_PROPERTIES_INTERFACE)) {
1062                 tp_cli_properties_interface_call_list_properties (priv->channel, -1,
1063                                                                   tp_chat_list_properties_cb,
1064                                                                   NULL, NULL,
1065                                                                   G_OBJECT (chat));
1066                 tp_cli_properties_interface_connect_to_properties_changed (priv->channel,
1067                                                                            tp_chat_properties_changed_cb,
1068                                                                            NULL, NULL,
1069                                                                            G_OBJECT (chat), NULL);
1070                 tp_cli_properties_interface_connect_to_property_flags_changed (priv->channel,
1071                                                                                tp_chat_property_flags_changed_cb,
1072                                                                                NULL, NULL,
1073                                                                                G_OBJECT (chat), NULL);
1074         }
1075
1076         return chat;
1077 }
1078
1079 static void
1080 tp_chat_get_property (GObject    *object,
1081                       guint       param_id,
1082                       GValue     *value,
1083                       GParamSpec *pspec)
1084 {
1085         EmpathyTpChatPriv *priv = GET_PRIV (object);
1086
1087         switch (param_id) {
1088         case PROP_CHANNEL:
1089                 g_value_set_object (value, priv->channel);
1090                 break;
1091         case PROP_REMOTE_CONTACT:
1092                 g_value_set_object (value, priv->remote_contact);
1093                 break;
1094         case PROP_READY:
1095                 g_value_set_boolean (value, priv->ready);
1096                 break;
1097         default:
1098                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
1099                 break;
1100         };
1101 }
1102
1103 static void
1104 tp_chat_set_property (GObject      *object,
1105                       guint         param_id,
1106                       const GValue *value,
1107                       GParamSpec   *pspec)
1108 {
1109         EmpathyTpChatPriv *priv = GET_PRIV (object);
1110
1111         switch (param_id) {
1112         case PROP_CHANNEL:
1113                 priv->channel = g_value_dup_object (value);
1114                 break;
1115         default:
1116                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
1117                 break;
1118         };
1119 }
1120
1121 static void
1122 empathy_tp_chat_class_init (EmpathyTpChatClass *klass)
1123 {
1124         GObjectClass *object_class = G_OBJECT_CLASS (klass);
1125
1126         object_class->dispose = tp_chat_dispose;
1127         object_class->finalize = tp_chat_finalize;
1128         object_class->constructor = tp_chat_constructor;
1129         object_class->get_property = tp_chat_get_property;
1130         object_class->set_property = tp_chat_set_property;
1131
1132         g_object_class_install_property (object_class,
1133                                          PROP_CHANNEL,
1134                                          g_param_spec_object ("channel",
1135                                                               "telepathy channel",
1136                                                               "The text channel for the chat",
1137                                                               TP_TYPE_CHANNEL,
1138                                                               G_PARAM_READWRITE |
1139                                                               G_PARAM_CONSTRUCT_ONLY));
1140
1141         g_object_class_install_property (object_class,
1142                                          PROP_REMOTE_CONTACT,
1143                                          g_param_spec_object ("remote-contact",
1144                                                               "The remote contact",
1145                                                               "The remote contact if there is no group iface on the channel",
1146                                                               EMPATHY_TYPE_CONTACT,
1147                                                               G_PARAM_READABLE));
1148
1149         g_object_class_install_property (object_class,
1150                                          PROP_READY,
1151                                          g_param_spec_boolean ("ready",
1152                                                                "Is the object ready",
1153                                                                "This object can't be used until this becomes true",
1154                                                                FALSE,
1155                                                                G_PARAM_READABLE));
1156
1157         /* Signals */
1158         signals[MESSAGE_RECEIVED] =
1159                 g_signal_new ("message-received",
1160                               G_TYPE_FROM_CLASS (klass),
1161                               G_SIGNAL_RUN_LAST,
1162                               0,
1163                               NULL, NULL,
1164                               g_cclosure_marshal_VOID__OBJECT,
1165                               G_TYPE_NONE,
1166                               1, EMPATHY_TYPE_MESSAGE);
1167
1168         signals[SEND_ERROR] =
1169                 g_signal_new ("send-error",
1170                               G_TYPE_FROM_CLASS (klass),
1171                               G_SIGNAL_RUN_LAST,
1172                               0,
1173                               NULL, NULL,
1174                               _empathy_marshal_VOID__STRING_UINT,
1175                               G_TYPE_NONE,
1176                               2, G_TYPE_STRING, G_TYPE_UINT);
1177
1178         signals[CHAT_STATE_CHANGED] =
1179                 g_signal_new ("chat-state-changed",
1180                               G_TYPE_FROM_CLASS (klass),
1181                               G_SIGNAL_RUN_LAST,
1182                               0,
1183                               NULL, NULL,
1184                               _empathy_marshal_VOID__OBJECT_UINT,
1185                               G_TYPE_NONE,
1186                               2, EMPATHY_TYPE_CONTACT, G_TYPE_UINT);
1187
1188         signals[PROPERTY_CHANGED] =
1189                 g_signal_new ("property-changed",
1190                               G_TYPE_FROM_CLASS (klass),
1191                               G_SIGNAL_RUN_LAST,
1192                               0,
1193                               NULL, NULL,
1194                               _empathy_marshal_VOID__STRING_BOXED,
1195                               G_TYPE_NONE,
1196                               2, G_TYPE_STRING, G_TYPE_VALUE);
1197
1198         signals[DESTROY] =
1199                 g_signal_new ("destroy",
1200                               G_TYPE_FROM_CLASS (klass),
1201                               G_SIGNAL_RUN_LAST,
1202                               0,
1203                               NULL, NULL,
1204                               g_cclosure_marshal_VOID__VOID,
1205                               G_TYPE_NONE,
1206                               0);
1207
1208         g_type_class_add_private (object_class, sizeof (EmpathyTpChatPriv));
1209 }
1210
1211 static void
1212 empathy_tp_chat_init (EmpathyTpChat *chat)
1213 {
1214         EmpathyTpChatPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (chat,
1215                 EMPATHY_TYPE_TP_CHAT, EmpathyTpChatPriv);
1216
1217         chat->priv = priv;
1218         priv->contact_monitor = NULL;
1219         priv->messages_queue = g_queue_new ();
1220         priv->pending_messages_queue = g_queue_new ();
1221 }
1222
1223 static void
1224 tp_chat_iface_init (EmpathyContactListIface *iface)
1225 {
1226         iface->add         = tp_chat_add;
1227         iface->remove      = tp_chat_remove;
1228         iface->get_members = tp_chat_get_members;
1229         iface->get_monitor = tp_chat_get_monitor;
1230 }
1231
1232 EmpathyTpChat *
1233 empathy_tp_chat_new (TpChannel *channel)
1234 {
1235         return g_object_new (EMPATHY_TYPE_TP_CHAT,
1236                              "channel", channel,
1237                              NULL);
1238 }
1239
1240 void
1241 empathy_tp_chat_close (EmpathyTpChat *chat) {
1242         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1243
1244         /* If there are still messages left, it'll come back..
1245          * We loose the ordering of sent messages though */
1246         tp_cli_channel_call_close (priv->channel, -1, tp_chat_async_cb,
1247                 "closing channel", NULL, NULL);
1248 }
1249
1250 const gchar *
1251 empathy_tp_chat_get_id (EmpathyTpChat *chat)
1252 {
1253         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1254         const gchar *id;
1255
1256
1257         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (chat), NULL);
1258
1259         id = tp_channel_get_identifier (priv->channel);
1260         if (!EMP_STR_EMPTY (id))
1261                 return id;
1262         else if (priv->remote_contact)
1263                 return empathy_contact_get_id (priv->remote_contact);
1264         else
1265                 return NULL;
1266
1267 }
1268
1269 EmpathyContact *
1270 empathy_tp_chat_get_remote_contact (EmpathyTpChat *chat)
1271 {
1272         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1273
1274         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (chat), NULL);
1275         g_return_val_if_fail (priv->ready, NULL);
1276
1277         return priv->remote_contact;
1278 }
1279
1280 TpChannel *
1281 empathy_tp_chat_get_channel (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 priv->channel;
1288 }
1289
1290 TpConnection *
1291 empathy_tp_chat_get_connection (EmpathyTpChat *chat)
1292 {
1293         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1294
1295         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (chat), NULL);
1296
1297         return tp_channel_borrow_connection (priv->channel);
1298 }
1299
1300 gboolean
1301 empathy_tp_chat_is_ready (EmpathyTpChat *chat)
1302 {
1303         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1304
1305         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (chat), FALSE);
1306
1307         return priv->ready;
1308 }
1309
1310 void
1311 empathy_tp_chat_send (EmpathyTpChat *chat,
1312                       EmpathyMessage *message)
1313 {
1314         EmpathyTpChatPriv        *priv = GET_PRIV (chat);
1315         const gchar              *message_body;
1316         TpChannelTextMessageType  message_type;
1317
1318         g_return_if_fail (EMPATHY_IS_TP_CHAT (chat));
1319         g_return_if_fail (EMPATHY_IS_MESSAGE (message));
1320         g_return_if_fail (priv->ready);
1321
1322         message_body = empathy_message_get_body (message);
1323         message_type = empathy_message_get_tptype (message);
1324
1325         DEBUG ("Sending message: %s", message_body);
1326         tp_cli_channel_type_text_call_send (priv->channel, -1,
1327                                             message_type,
1328                                             message_body,
1329                                             tp_chat_send_cb,
1330                                             g_object_ref (message),
1331                                             (GDestroyNotify) g_object_unref,
1332                                             G_OBJECT (chat));
1333 }
1334
1335 void
1336 empathy_tp_chat_set_state (EmpathyTpChat      *chat,
1337                            TpChannelChatState  state)
1338 {
1339         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1340
1341         g_return_if_fail (EMPATHY_IS_TP_CHAT (chat));
1342         g_return_if_fail (priv->ready);
1343
1344         if (tp_proxy_has_interface_by_id (priv->channel,
1345                                           TP_IFACE_QUARK_CHANNEL_INTERFACE_CHAT_STATE)) {
1346                 DEBUG ("Set state: %d", state);
1347                 tp_cli_channel_interface_chat_state_call_set_chat_state (priv->channel, -1,
1348                                                                          state,
1349                                                                          tp_chat_async_cb,
1350                                                                          "setting chat state",
1351                                                                          NULL,
1352                                                                          G_OBJECT (chat));
1353         }
1354 }
1355
1356
1357 const GList *
1358 empathy_tp_chat_get_pending_messages (EmpathyTpChat *chat)
1359 {
1360         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1361
1362         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (chat), NULL);
1363         g_return_val_if_fail (priv->ready, NULL);
1364
1365         return priv->pending_messages_queue->head;
1366 }
1367
1368 static void
1369 acknowledge_messages (EmpathyTpChat *chat, GArray *ids) {
1370         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1371
1372         tp_cli_channel_type_text_call_acknowledge_pending_messages (
1373                 priv->channel, -1, ids, tp_chat_async_cb,
1374                 "acknowledging received message", NULL, G_OBJECT (chat));
1375 }
1376
1377 void
1378 empathy_tp_chat_acknowledge_message (EmpathyTpChat *chat,
1379                                      EmpathyMessage *message) {
1380         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1381         GArray *message_ids;
1382         GList *m;
1383         guint id;
1384
1385         g_return_if_fail (EMPATHY_IS_TP_CHAT (chat));
1386         g_return_if_fail (priv->ready);
1387
1388         if (!empathy_message_is_incoming (message))
1389                 goto out;
1390
1391         message_ids = g_array_sized_new (FALSE, FALSE, sizeof (guint), 1);
1392
1393         id = empathy_message_get_id (message);
1394         g_array_append_val (message_ids, id);
1395         acknowledge_messages (chat, message_ids);
1396         g_array_free (message_ids, TRUE);
1397
1398 out:
1399         m = g_queue_find (priv->pending_messages_queue, message);
1400         g_assert (m != NULL);
1401         g_queue_delete_link (priv->pending_messages_queue, m);
1402         g_object_unref (message);
1403 }
1404
1405 void
1406 empathy_tp_chat_acknowledge_messages (EmpathyTpChat *chat,
1407                                       const GList *messages) {
1408         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1409         /* Copy messages as the messges list (probably is) our own */
1410         GList *msgs = g_list_copy ((GList *) messages);
1411         GList *l;
1412         guint length;
1413         GArray *message_ids;
1414
1415         g_return_if_fail (EMPATHY_IS_TP_CHAT (chat));
1416         g_return_if_fail (priv->ready);
1417
1418         length = g_list_length ((GList *) messages);
1419
1420         if (length == 0)
1421                 return;
1422
1423         message_ids = g_array_sized_new (FALSE, FALSE, sizeof (guint), length);
1424
1425         for (l = msgs; l != NULL; l = g_list_next (l)) {
1426                 GList *m;
1427
1428                 EmpathyMessage *message = EMPATHY_MESSAGE (l->data);
1429
1430                 m = g_queue_find (priv->pending_messages_queue, message);
1431                 g_assert (m != NULL);
1432                 g_queue_delete_link (priv->pending_messages_queue, m);
1433
1434                 if (empathy_message_is_incoming (message)) {
1435                         guint id = empathy_message_get_id (message);
1436                         g_array_append_val (message_ids, id);
1437                 }
1438                 g_object_unref (message);
1439         }
1440
1441         if (message_ids->len > 0)
1442                 acknowledge_messages (chat, message_ids);
1443
1444         g_array_free (message_ids, TRUE);
1445         g_list_free (msgs);
1446 }
1447