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/telepathy-glib.h>
  27
  28 #include <extensions/extensions.h>
  29
  30 #include "empathy-tp-chat.h"
  31 #include "empathy-tp-contact-factory.h"
  32 #include "empathy-contact-list.h"
  33 #include "empathy-request-util.h"
  34 #include "empathy-time.h"
  35 #include "empathy-utils.h"
  36
  37 #define DEBUG_FLAG EMPATHY_DEBUG_TP | EMPATHY_DEBUG_CHAT
  38 #include "empathy-debug.h"
  39
  40 struct _EmpathyTpChatPrivate {
  41         TpAccount             *account;
  42         EmpathyContact        *user;
  43         EmpathyContact        *remote_contact;
  44         GList                 *members;
  45         /* Queue of messages not signalled yet */
  46         GQueue                *messages_queue;
  47         /* Queue of messages signalled but not acked yet */
  48         GQueue                *pending_messages_queue;
  49         gboolean               had_properties_list;
  50         GPtrArray             *properties;
  51         gboolean               can_upgrade_to_muc;
  52
  53         GHashTable            *messages_being_sent;
  54
  55         /* GSimpleAsyncResult used when preparing EMPATHY_TP_CHAT_FEATURE_CORE */
  56         GSimpleAsyncResult    *ready_result;
  57 };
  58
  59 static void tp_chat_iface_init         (EmpathyContactListIface *iface);
  60
  61 enum {
  62         PROP_0,
  63         PROP_ACCOUNT,
  64         PROP_REMOTE_CONTACT,
  65         PROP_N_MESSAGES_SENDING,
  66 };
  67
  68 enum {
  69         MESSAGE_RECEIVED,
  70         SEND_ERROR,
  71         CHAT_STATE_CHANGED,
  72         PROPERTY_CHANGED,
  73         MESSAGE_ACKNOWLEDGED,
  74         LAST_SIGNAL
  75 };
  76
  77 static guint signals[LAST_SIGNAL];
  78
  79 G_DEFINE_TYPE_WITH_CODE (EmpathyTpChat, empathy_tp_chat, TP_TYPE_TEXT_CHANNEL,
  80                          G_IMPLEMENT_INTERFACE (EMPATHY_TYPE_CONTACT_LIST,
  81                                                 tp_chat_iface_init));
  82
  83 static void
  84 tp_chat_set_delivery_status (EmpathyTpChat         *self,
  85                              const gchar           *token,
  86                              EmpathyDeliveryStatus  delivery_status)
  87 {
  88         TpDeliveryReportingSupportFlags flags =
  89                 tp_text_channel_get_delivery_reporting_support (
  90                         TP_TEXT_CHANNEL (self));
  91
  92         /* channel must support receiving failures and successes */
  93         if (!tp_str_empty (token) &&
  94             flags & TP_DELIVERY_REPORTING_SUPPORT_FLAG_RECEIVE_FAILURES &&
  95             flags & TP_DELIVERY_REPORTING_SUPPORT_FLAG_RECEIVE_SUCCESSES) {
  96
  97                 DEBUG ("Delivery status (%s) = %u", token, delivery_status);
  98
  99                 switch (delivery_status) {
 100                         case EMPATHY_DELIVERY_STATUS_NONE:
 101                                 g_hash_table_remove (self->priv->messages_being_sent,
 102                                         token);
 103                                 break;
 104
 105                         default:
 106                                 g_hash_table_insert (self->priv->messages_being_sent,
 107                                         g_strdup (token),
 108                                         GUINT_TO_POINTER (delivery_status));
 109                                 break;
 110                 }
 111
 112                 g_object_notify (G_OBJECT (self), "n-messages-sending");
 113         }
 114 }
 115
 116 static void tp_chat_prepare_ready_async (TpProxy *proxy,
 117         const TpProxyFeature *feature,
 118         GAsyncReadyCallback callback,
 119         gpointer user_data);
 120
 121 static void
 122 tp_chat_async_cb (TpChannel *proxy,
 123                   const GError *error,
 124                   gpointer user_data,
 125                   GObject *weak_object)
 126 {
 127         if (error) {
 128                 DEBUG ("Error %s: %s", (gchar *) user_data, error->message);
 129         }
 130 }
 131
 132 static void
 133 create_conference_cb (GObject *source,
 134                       GAsyncResult *result,
 135                       gpointer user_data)
 136 {
 137         GError *error = NULL;
 138
 139         if (!tp_account_channel_request_create_channel_finish (
 140                         TP_ACCOUNT_CHANNEL_REQUEST (source), result, &error)) {
 141                 DEBUG ("Failed to create conference channel: %s", error->message);
 142                 g_error_free (error);
 143         }
 144 }
 145
 146 static void
 147 tp_chat_add (EmpathyContactList *list,
 148              EmpathyContact     *contact,
 149              const gchar        *message)
 150 {
 151         EmpathyTpChat *self = (EmpathyTpChat *) list;
 152         TpChannel *channel = (TpChannel *) self;
 153
 154         if (tp_proxy_has_interface_by_id (self,
 155                 TP_IFACE_QUARK_CHANNEL_INTERFACE_GROUP)) {
 156                 TpHandle           handle;
 157                 GArray             handles = {(gchar *) &handle, 1};
 158
 159                 g_return_if_fail (EMPATHY_IS_TP_CHAT (list));
 160                 g_return_if_fail (EMPATHY_IS_CONTACT (contact));
 161
 162                 handle = empathy_contact_get_handle (contact);
 163                 tp_cli_channel_interface_group_call_add_members (channel,
 164                         -1, &handles, NULL, NULL, NULL, NULL, NULL);
 165         } else if (self->priv->can_upgrade_to_muc) {
 166                 TpAccountChannelRequest *req;
 167                 GHashTable        *props;
 168                 const char        *object_path;
 169                 GPtrArray          channels = { (gpointer *) &object_path, 1 };
 170                 const char        *invitees[2] = { NULL, };
 171
 172                 invitees[0] = empathy_contact_get_id (contact);
 173                 object_path = tp_proxy_get_object_path (self);
 174
 175                 props = tp_asv_new (
 176                     TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING,
 177                         TP_IFACE_CHANNEL_TYPE_TEXT,
 178                     TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, G_TYPE_UINT,
 179                         TP_HANDLE_TYPE_NONE,
 180                     TP_PROP_CHANNEL_INTERFACE_CONFERENCE_INITIAL_CHANNELS,
 181                         TP_ARRAY_TYPE_OBJECT_PATH_LIST, &channels,
 182                     TP_PROP_CHANNEL_INTERFACE_CONFERENCE_INITIAL_INVITEE_IDS,
 183                         G_TYPE_STRV, invitees,
 184                     /* FIXME: InvitationMessage ? */
 185                     NULL);
 186
 187                 req = tp_account_channel_request_new (self->priv->account, props,
 188                         TP_USER_ACTION_TIME_NOT_USER_ACTION);
 189
 190                 /* Although this is a MUC, it's anonymous, so CreateChannel is
 191                  * valid. */
 192                 tp_account_channel_request_create_channel_async (req, EMPATHY_CHAT_BUS_NAME,
 193                         NULL, create_conference_cb, NULL);
 194
 195                 g_object_unref (req);
 196                 g_hash_table_unref (props);
 197         } else {
 198                 g_warning ("Cannot add to this channel");
 199         }
 200 }
 201
 202 static void
 203 tp_chat_remove (EmpathyContactList *list,
 204                 EmpathyContact     *contact,
 205                 const gchar        *message)
 206 {
 207         EmpathyTpChat *self = (EmpathyTpChat *) list;
 208         TpHandle           handle;
 209         GArray             handles = {(gchar *) &handle, 1};
 210
 211         g_return_if_fail (EMPATHY_IS_TP_CHAT (list));
 212         g_return_if_fail (EMPATHY_IS_CONTACT (contact));
 213
 214         handle = empathy_contact_get_handle (contact);
 215         tp_cli_channel_interface_group_call_remove_members ((TpChannel *) self, -1,
 216                                                             &handles, NULL,
 217                                                             NULL, NULL, NULL,
 218                                                             NULL);
 219 }
 220
 221 static GList *
 222 tp_chat_get_members (EmpathyContactList *list)
 223 {
 224         EmpathyTpChat *self = (EmpathyTpChat *) list;
 225         GList             *members = NULL;
 226
 227         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (list), NULL);
 228
 229         if (self->priv->members) {
 230                 members = g_list_copy (self->priv->members);
 231                 g_list_foreach (members, (GFunc) g_object_ref, NULL);
 232         } else {
 233                 members = g_list_prepend (members, g_object_ref (self->priv->user));
 234                 if (self->priv->remote_contact != NULL)
 235                         members = g_list_prepend (members, g_object_ref (self->priv->remote_contact));
 236         }
 237
 238         return members;
 239 }
 240
 241 static void
 242 check_ready (EmpathyTpChat *self)
 243 {
 244         if (self->priv->ready_result == NULL)
 245                 return;
 246
 247         if (g_queue_get_length (self->priv->messages_queue) > 0)
 248                 return;
 249
 250         DEBUG ("Ready");
 251
 252         g_simple_async_result_complete (self->priv->ready_result);
 253         tp_clear_object (&self->priv->ready_result);
 254 }
 255
 256 static void
 257 tp_chat_emit_queued_messages (EmpathyTpChat *self)
 258 {
 259         EmpathyMessage    *message;
 260
 261         /* Check if we can now emit some queued messages */
 262         while ((message = g_queue_peek_head (self->priv->messages_queue)) != NULL) {
 263                 if (empathy_message_get_sender (message) == NULL) {
 264                         break;
 265                 }
 266
 267                 DEBUG ("Queued message ready");
 268                 g_queue_pop_head (self->priv->messages_queue);
 269                 g_queue_push_tail (self->priv->pending_messages_queue, message);
 270                 g_signal_emit (self, signals[MESSAGE_RECEIVED], 0, message);
 271         }
 272
 273         check_ready (self);
 274 }
 275
 276 static void
 277 tp_chat_got_sender_cb (TpConnection            *connection,
 278                        EmpathyContact          *contact,
 279                        const GError            *error,
 280                        gpointer                 message,
 281                        GObject                 *chat)
 282 {
 283         EmpathyTpChat *self = (EmpathyTpChat *) chat;
 284
 285         if (error) {
 286                 DEBUG ("Error: %s", error->message);
 287                 /* Do not block the message queue, just drop this message */
 288                 g_queue_remove (self->priv->messages_queue, message);
 289         } else {
 290                 empathy_message_set_sender (message, contact);
 291         }
 292
 293         tp_chat_emit_queued_messages (EMPATHY_TP_CHAT (self));
 294 }
 295
 296 static void
 297 tp_chat_build_message (EmpathyTpChat *self,
 298                        TpMessage     *msg,
 299                        gboolean       incoming)
 300 {
 301         EmpathyMessage    *message;
 302         TpContact *sender;
 303
 304         message = empathy_message_new_from_tp_message (msg, incoming);
 305         /* FIXME: this is actually a lie for incoming messages. */
 306         empathy_message_set_receiver (message, self->priv->user);
 307
 308         g_queue_push_tail (self->priv->messages_queue, message);
 309
 310         sender = tp_signalled_message_get_sender (msg);
 311         g_assert (sender != NULL);
 312
 313         if (tp_contact_get_handle (sender) == 0) {
 314                 empathy_message_set_sender (message, self->priv->user);
 315                 tp_chat_emit_queued_messages (self);
 316         } else {
 317                 TpConnection *connection = tp_channel_borrow_connection (
 318                         (TpChannel *) self);
 319
 320                 empathy_tp_contact_factory_get_from_handle (connection,
 321                         tp_contact_get_handle (sender),
 322                         tp_chat_got_sender_cb,
 323                         message, NULL, G_OBJECT (self));
 324         }
 325 }
 326
 327 static void
 328 handle_delivery_report (EmpathyTpChat *self,
 329                 TpMessage *message)
 330 {
 331         TpDeliveryStatus delivery_status;
 332         const GHashTable *header;
 333         TpChannelTextSendError delivery_error;
 334         gboolean valid;
 335         GPtrArray *echo;
 336         const gchar *message_body = NULL;
 337         const gchar *delivery_dbus_error;
 338         const gchar *delivery_token = NULL;
 339
 340         header = tp_message_peek (message, 0);
 341         if (header == NULL)
 342                 goto out;
 343
 344         delivery_token = tp_asv_get_string (header, "delivery-token");
 345         delivery_status = tp_asv_get_uint32 (header, "delivery-status", &valid);
 346
 347         if (!valid) {
 348                 goto out;
 349         } else if (delivery_status == TP_DELIVERY_STATUS_ACCEPTED) {
 350                 DEBUG ("Accepted %s", delivery_token);
 351                 tp_chat_set_delivery_status (self, delivery_token,
 352                         EMPATHY_DELIVERY_STATUS_ACCEPTED);
 353                 goto out;
 354         } else if (delivery_status == TP_DELIVERY_STATUS_DELIVERED) {
 355                 DEBUG ("Delivered %s", delivery_token);
 356                 tp_chat_set_delivery_status (self, delivery_token,
 357                         EMPATHY_DELIVERY_STATUS_NONE);
 358                 goto out;
 359         } else if (delivery_status != TP_DELIVERY_STATUS_PERMANENTLY_FAILED) {
 360                 goto out;
 361         }
 362
 363         delivery_error = tp_asv_get_uint32 (header, "delivery-error", &valid);
 364         if (!valid)
 365                 delivery_error = TP_CHANNEL_TEXT_SEND_ERROR_UNKNOWN;
 366
 367         delivery_dbus_error = tp_asv_get_string (header, "delivery-dbus-error");
 368
 369         /* TODO: ideally we should use tp-glib API giving us the echoed message as a
 370          * TpMessage. (fdo #35884) */
 371         echo = tp_asv_get_boxed (header, "delivery-echo",
 372                 TP_ARRAY_TYPE_MESSAGE_PART_LIST);
 373         if (echo != NULL && echo->len >= 2) {
 374                 const GHashTable *echo_body;
 375
 376                 echo_body = g_ptr_array_index (echo, 1);
 377                 if (echo_body != NULL)
 378                         message_body = tp_asv_get_string (echo_body, "content");
 379         }
 380
 381         tp_chat_set_delivery_status (self, delivery_token,
 382                         EMPATHY_DELIVERY_STATUS_NONE);
 383         g_signal_emit (self, signals[SEND_ERROR], 0, message_body,
 384                         delivery_error, delivery_dbus_error);
 385
 386 out:
 387         tp_text_channel_ack_message_async (TP_TEXT_CHANNEL (self),
 388                 message, NULL, NULL);
 389 }
 390
 391 static void
 392 handle_incoming_message (EmpathyTpChat *self,
 393                          TpMessage *message,
 394                          gboolean pending)
 395 {
 396         gchar *message_body;
 397
 398         if (tp_message_is_delivery_report (message)) {
 399                 handle_delivery_report (self, message);
 400                 return;
 401         }
 402
 403         message_body = tp_message_to_text (message, NULL);
 404
 405         DEBUG ("Message %s (channel %s): %s",
 406                 pending ? "pending" : "received",
 407                 tp_proxy_get_object_path (self), message_body);
 408
 409         if (message_body == NULL) {
 410                 DEBUG ("Empty message with NonTextContent, ignoring and acking.");
 411
 412                 tp_text_channel_ack_message_async (TP_TEXT_CHANNEL (self),
 413                         message, NULL, NULL);
 414                 return;
 415         }
 416
 417         tp_chat_build_message (self, message, TRUE);
 418
 419         g_free (message_body);
 420 }
 421
 422 static void
 423 message_received_cb (TpTextChannel   *channel,
 424                      TpMessage *message,
 425                      EmpathyTpChat *self)
 426 {
 427         handle_incoming_message (self, message, FALSE);
 428 }
 429
 430 static gboolean
 431 find_pending_message_func (gconstpointer a,
 432                            gconstpointer b)
 433 {
 434         EmpathyMessage *msg = (EmpathyMessage *) a;
 435         TpMessage *message = (TpMessage *) b;
 436
 437         if (empathy_message_get_tp_message (msg) == message)
 438                 return 0;
 439
 440         return -1;
 441 }
 442
 443 static void
 444 pending_message_removed_cb (TpTextChannel   *channel,
 445                             TpMessage *message,
 446                             EmpathyTpChat *self)
 447 {
 448         GList *m;
 449
 450         m = g_queue_find_custom (self->priv->pending_messages_queue, message,
 451                                  find_pending_message_func);
 452
 453         if (m == NULL)
 454                 return;
 455
 456         g_signal_emit (self, signals[MESSAGE_ACKNOWLEDGED], 0, m->data);
 457
 458         g_object_unref (m->data);
 459         g_queue_delete_link (self->priv->pending_messages_queue, m);
 460 }
 461
 462 static void
 463 message_sent_cb (TpTextChannel   *channel,
 464                  TpMessage *message,
 465                  TpMessageSendingFlags flags,
 466                  gchar              *token,
 467                  EmpathyTpChat      *self)
 468 {
 469         gchar *message_body;
 470
 471         message_body = tp_message_to_text (message, NULL);
 472
 473         DEBUG ("Message sent: %s", message_body);
 474
 475         tp_chat_build_message (self, message, FALSE);
 476
 477         g_free (message_body);
 478 }
 479
 480 static TpChannelTextSendError
 481 error_to_text_send_error (GError *error)
 482 {
 483         if (error->domain != TP_ERRORS)
 484                 return TP_CHANNEL_TEXT_SEND_ERROR_UNKNOWN;
 485
 486         switch (error->code) {
 487                 case TP_ERROR_OFFLINE:
 488                         return TP_CHANNEL_TEXT_SEND_ERROR_OFFLINE;
 489                 case TP_ERROR_INVALID_HANDLE:
 490                         return TP_CHANNEL_TEXT_SEND_ERROR_INVALID_CONTACT;
 491                 case TP_ERROR_PERMISSION_DENIED:
 492                         return TP_CHANNEL_TEXT_SEND_ERROR_PERMISSION_DENIED;
 493                 case TP_ERROR_NOT_IMPLEMENTED:
 494                         return TP_CHANNEL_TEXT_SEND_ERROR_NOT_IMPLEMENTED;
 495         }
 496
 497         return TP_CHANNEL_TEXT_SEND_ERROR_UNKNOWN;
 498 }
 499
 500 static void
 501 message_send_cb (GObject *source,
 502                  GAsyncResult *result,
 503                  gpointer      user_data)
 504 {
 505         EmpathyTpChat *self = user_data;
 506         TpTextChannel *channel = (TpTextChannel *) source;
 507         gchar *token = NULL;
 508         GError *error = NULL;
 509
 510         if (!tp_text_channel_send_message_finish (channel, result, &token, &error)) {
 511                 DEBUG ("Error: %s", error->message);
 512
 513                 /* FIXME: we should use the body of the message as first argument of the
 514                  * signal but can't easily get it as we just get a user_data pointer. Once
 515                  * we'll have rebased EmpathyTpChat on top of TpTextChannel we'll be able
 516                  * to use the user_data pointer to pass the message and fix this. */
 517                 g_signal_emit (self, signals[SEND_ERROR], 0,
 518                                NULL, error_to_text_send_error (error), NULL);
 519
 520                 g_error_free (error);
 521         }
 522
 523         tp_chat_set_delivery_status (self, token,
 524                 EMPATHY_DELIVERY_STATUS_SENDING);
 525         g_free (token);
 526 }
 527
 528 typedef struct {
 529         EmpathyTpChat *chat;
 530         TpChannelChatState state;
 531 } StateChangedData;
 532
 533 static void
 534 tp_chat_state_changed_got_contact_cb (TpConnection            *connection,
 535                                       EmpathyContact          *contact,
 536                                       const GError            *error,
 537                                       gpointer                 user_data,
 538                                       GObject                 *chat)
 539 {
 540         TpChannelChatState state;
 541
 542         if (error) {
 543                 DEBUG ("Error: %s", error->message);
 544                 return;
 545         }
 546
 547         state = GPOINTER_TO_UINT (user_data);
 548         DEBUG ("Chat state changed for %s (%d): %d",
 549                 empathy_contact_get_alias (contact),
 550                 empathy_contact_get_handle (contact), state);
 551
 552         g_signal_emit (chat, signals[CHAT_STATE_CHANGED], 0, contact, state);
 553 }
 554
 555 static void
 556 tp_chat_state_changed_cb (TpChannel *channel,
 557                           TpHandle   handle,
 558                           TpChannelChatState state,
 559                           EmpathyTpChat *self)
 560 {
 561         TpConnection *connection = tp_channel_borrow_connection (
 562                 (TpChannel *) self);
 563
 564         empathy_tp_contact_factory_get_from_handle (connection, handle,
 565                 tp_chat_state_changed_got_contact_cb, GUINT_TO_POINTER (state),
 566                 NULL, G_OBJECT (self));
 567 }
 568
 569 static void
 570 list_pending_messages (EmpathyTpChat *self)
 571 {
 572         GList *messages, *l;
 573
 574         messages = tp_text_channel_get_pending_messages (
 575                 TP_TEXT_CHANNEL (self));
 576
 577         for (l = messages; l != NULL; l = g_list_next (l)) {
 578                 TpMessage *message = l->data;
 579
 580                 handle_incoming_message (self, message, FALSE);
 581         }
 582
 583         g_list_free (messages);
 584 }
 585
 586 static void
 587 tp_chat_property_flags_changed_cb (TpProxy         *proxy,
 588                                    const GPtrArray *properties,
 589                                    gpointer         user_data,
 590                                    GObject         *chat)
 591 {
 592         EmpathyTpChat *self = (EmpathyTpChat *) chat;
 593         guint              i, j;
 594
 595         if (!self->priv->had_properties_list || !properties) {
 596                 return;
 597         }
 598
 599         for (i = 0; i < properties->len; i++) {
 600                 GValueArray           *prop_struct;
 601                 EmpathyTpChatProperty *property;
 602                 guint                  id;
 603                 guint                  flags;
 604
 605                 prop_struct = g_ptr_array_index (properties, i);
 606                 id = g_value_get_uint (g_value_array_get_nth (prop_struct, 0));
 607                 flags = g_value_get_uint (g_value_array_get_nth (prop_struct, 1));
 608
 609                 for (j = 0; j < self->priv->properties->len; j++) {
 610                         property = g_ptr_array_index (self->priv->properties, j);
 611                         if (property->id == id) {
 612                                 property->flags = flags;
 613                                 DEBUG ("property %s flags changed: %d",
 614                                         property->name, property->flags);
 615                                 break;
 616                         }
 617                 }
 618         }
 619 }
 620
 621 static void
 622 tp_chat_properties_changed_cb (TpProxy         *proxy,
 623                                const GPtrArray *properties,
 624                                gpointer         user_data,
 625                                GObject         *chat)
 626 {
 627         EmpathyTpChat *self = (EmpathyTpChat *) chat;
 628         guint              i, j;
 629
 630         if (!self->priv->had_properties_list || !properties) {
 631                 return;
 632         }
 633
 634         for (i = 0; i < properties->len; i++) {
 635                 GValueArray           *prop_struct;
 636                 EmpathyTpChatProperty *property;
 637                 guint                  id;
 638                 GValue                *src_value;
 639
 640                 prop_struct = g_ptr_array_index (properties, i);
 641                 id = g_value_get_uint (g_value_array_get_nth (prop_struct, 0));
 642                 src_value = g_value_get_boxed (g_value_array_get_nth (prop_struct, 1));
 643
 644                 for (j = 0; j < self->priv->properties->len; j++) {
 645                         property = g_ptr_array_index (self->priv->properties, j);
 646                         if (property->id == id) {
 647                                 if (property->value) {
 648                                         g_value_copy (src_value, property->value);
 649                                 } else {
 650                                         property->value = tp_g_value_slice_dup (src_value);
 651                                 }
 652
 653                                 DEBUG ("property %s changed", property->name);
 654                                 g_signal_emit (chat, signals[PROPERTY_CHANGED], 0,
 655                                                property->name, property->value);
 656                                 break;
 657                         }
 658                 }
 659         }
 660 }
 661
 662 static void
 663 tp_chat_get_properties_cb (TpProxy         *proxy,
 664                            const GPtrArray *properties,
 665                            const GError    *error,
 666                            gpointer         user_data,
 667                            GObject         *chat)
 668 {
 669         if (error) {
 670                 DEBUG ("Error getting properties: %s", error->message);
 671                 return;
 672         }
 673
 674         tp_chat_properties_changed_cb (proxy, properties, user_data, chat);
 675 }
 676
 677 static void
 678 tp_chat_list_properties_cb (TpProxy         *proxy,
 679                             const GPtrArray *properties,
 680                             const GError    *error,
 681                             gpointer         user_data,
 682                             GObject         *chat)
 683 {
 684         EmpathyTpChat *self = (EmpathyTpChat *) chat;
 685         GArray            *ids;
 686         guint              i;
 687
 688         if (error) {
 689                 DEBUG ("Error listing properties: %s", error->message);
 690                 return;
 691         }
 692
 693         self->priv->had_properties_list = TRUE;
 694
 695         ids = g_array_sized_new (FALSE, FALSE, sizeof (guint), properties->len);
 696         self->priv->properties = g_ptr_array_sized_new (properties->len);
 697         for (i = 0; i < properties->len; i++) {
 698                 GValueArray           *prop_struct;
 699                 EmpathyTpChatProperty *property;
 700
 701                 prop_struct = g_ptr_array_index (properties, i);
 702                 property = g_slice_new0 (EmpathyTpChatProperty);
 703                 property->id = g_value_get_uint (g_value_array_get_nth (prop_struct, 0));
 704                 property->name = g_value_dup_string (g_value_array_get_nth (prop_struct, 1));
 705                 property->flags = g_value_get_uint (g_value_array_get_nth (prop_struct, 3));
 706
 707                 DEBUG ("Adding property name=%s id=%d flags=%d",
 708                         property->name, property->id, property->flags);
 709                 g_ptr_array_add (self->priv->properties, property);
 710                 if (property->flags & TP_PROPERTY_FLAG_READ) {
 711                         g_array_append_val (ids, property->id);
 712                 }
 713         }
 714
 715         tp_cli_properties_interface_call_get_properties (proxy, -1,
 716                                                          ids,
 717                                                          tp_chat_get_properties_cb,
 718                                                          NULL, NULL,
 719                                                          chat);
 720
 721         g_array_free (ids, TRUE);
 722 }
 723
 724 void
 725 empathy_tp_chat_set_property (EmpathyTpChat *self,
 726                               const gchar   *name,
 727                               const GValue  *value)
 728 {
 729         EmpathyTpChatProperty *property;
 730         guint                  i;
 731
 732         if (!self->priv->had_properties_list) {
 733                 return;
 734         }
 735
 736         for (i = 0; i < self->priv->properties->len; i++) {
 737                 property = g_ptr_array_index (self->priv->properties, i);
 738                 if (!tp_strdiff (property->name, name)) {
 739                         GPtrArray   *properties;
 740                         GValueArray *prop;
 741                         GValue       id = {0, };
 742                         GValue       dest_value = {0, };
 743
 744                         if (!(property->flags & TP_PROPERTY_FLAG_WRITE)) {
 745                                 break;
 746                         }
 747
 748                         g_value_init (&id, G_TYPE_UINT);
 749                         g_value_init (&dest_value, G_TYPE_VALUE);
 750                         g_value_set_uint (&id, property->id);
 751                         g_value_set_boxed (&dest_value, value);
 752
 753                         prop = g_value_array_new (2);
 754                         g_value_array_append (prop, &id);
 755                         g_value_array_append (prop, &dest_value);
 756
 757                         properties = g_ptr_array_sized_new (1);
 758                         g_ptr_array_add (properties, prop);
 759
 760                         DEBUG ("Set property %s", name);
 761                         tp_cli_properties_interface_call_set_properties (self, -1,
 762                                                                          properties,
 763                                                                          (tp_cli_properties_interface_callback_for_set_properties)
 764                                                                          tp_chat_async_cb,
 765                                                                          "Seting property", NULL,
 766                                                                          G_OBJECT (self));
 767
 768                         g_ptr_array_free (properties, TRUE);
 769                         g_value_array_free (prop);
 770
 771                         break;
 772                 }
 773         }
 774 }
 775
 776 EmpathyTpChatProperty *
 777 empathy_tp_chat_get_property (EmpathyTpChat *self,
 778                               const gchar   *name)
 779 {
 780         EmpathyTpChatProperty *property;
 781         guint                  i;
 782
 783         if (!self->priv->had_properties_list) {
 784                 return NULL;
 785         }
 786
 787         for (i = 0; i < self->priv->properties->len; i++) {
 788                 property = g_ptr_array_index (self->priv->properties, i);
 789                 if (!tp_strdiff (property->name, name)) {
 790                         return property;
 791                 }
 792         }
 793
 794         return NULL;
 795 }
 796
 797 GPtrArray *
 798 empathy_tp_chat_get_properties (EmpathyTpChat *self)
 799 {
 800         return self->priv->properties;
 801 }
 802
 803 static void
 804 tp_chat_dispose (GObject *object)
 805 {
 806         EmpathyTpChat *self = EMPATHY_TP_CHAT (object);
 807
 808         tp_clear_object (&self->priv->account);
 809         tp_clear_object (&self->priv->remote_contact);
 810         tp_clear_object (&self->priv->user);
 811
 812         g_queue_foreach (self->priv->messages_queue, (GFunc) g_object_unref, NULL);
 813         g_queue_clear (self->priv->messages_queue);
 814
 815         g_queue_foreach (self->priv->pending_messages_queue,
 816                 (GFunc) g_object_unref, NULL);
 817         g_queue_clear (self->priv->pending_messages_queue);
 818
 819         tp_clear_object (&self->priv->ready_result);
 820
 821         if (G_OBJECT_CLASS (empathy_tp_chat_parent_class)->dispose)
 822                 G_OBJECT_CLASS (empathy_tp_chat_parent_class)->dispose (object);
 823 }
 824
 825 static void
 826 tp_chat_finalize (GObject *object)
 827 {
 828         EmpathyTpChat *self = (EmpathyTpChat *) object;
 829         guint              i;
 830
 831         DEBUG ("Finalize: %p", object);
 832
 833         if (self->priv->properties) {
 834                 for (i = 0; i < self->priv->properties->len; i++) {
 835                         EmpathyTpChatProperty *property;
 836
 837                         property = g_ptr_array_index (self->priv->properties, i);
 838                         g_free (property->name);
 839                         if (property->value) {
 840                                 tp_g_value_slice_free (property->value);
 841                         }
 842                         g_slice_free (EmpathyTpChatProperty, property);
 843                 }
 844                 g_ptr_array_free (self->priv->properties, TRUE);
 845         }
 846
 847         g_queue_free (self->priv->messages_queue);
 848         g_queue_free (self->priv->pending_messages_queue);
 849         g_hash_table_destroy (self->priv->messages_being_sent);
 850
 851         G_OBJECT_CLASS (empathy_tp_chat_parent_class)->finalize (object);
 852 }
 853
 854 static void
 855 check_almost_ready (EmpathyTpChat *self)
 856 {
 857         TpChannel *channel = (TpChannel *) self;
 858
 859         if (self->priv->ready_result == NULL)
 860                 return;
 861
 862         if (self->priv->user == NULL)
 863                 return;
 864
 865         /* We need either the members (room) or the remote contact (private chat).
 866          * If the chat is protected by a password we can't get these information so
 867          * consider the chat as ready so it can be presented to the user. */
 868         if (!tp_channel_password_needed (channel) && self->priv->members == NULL &&
 869             self->priv->remote_contact == NULL)
 870                 return;
 871
 872         g_assert (tp_proxy_is_prepared (self,
 873                 TP_TEXT_CHANNEL_FEATURE_INCOMING_MESSAGES));
 874
 875         tp_g_signal_connect_object (self, "message-received",
 876                 G_CALLBACK (message_received_cb), self, 0);
 877         tp_g_signal_connect_object (self, "pending-message-removed",
 878                 G_CALLBACK (pending_message_removed_cb), self, 0);
 879
 880         list_pending_messages (self);
 881
 882         tp_g_signal_connect_object (self, "message-sent",
 883                 G_CALLBACK (message_sent_cb), self, 0);
 884
 885         tp_g_signal_connect_object (self, "chat-state-changed",
 886                 G_CALLBACK (tp_chat_state_changed_cb), self, 0);
 887
 888         check_ready (self);
 889 }
 890
 891 static void
 892 tp_chat_got_added_contacts_cb (TpConnection            *connection,
 893                                guint                    n_contacts,
 894                                EmpathyContact * const * contacts,
 895                                guint                    n_failed,
 896                                const TpHandle          *failed,
 897                                const GError            *error,
 898                                gpointer                 user_data,
 899                                GObject                 *chat)
 900 {
 901         EmpathyTpChat *self = (EmpathyTpChat *) chat;
 902         guint i;
 903         const TpIntSet *members;
 904         TpHandle handle;
 905         EmpathyContact *contact;
 906
 907         if (error) {
 908                 DEBUG ("Error: %s", error->message);
 909                 return;
 910         }
 911
 912         members = tp_channel_group_get_members ((TpChannel *) self);
 913         for (i = 0; i < n_contacts; i++) {
 914                 contact = contacts[i];
 915                 handle = empathy_contact_get_handle (contact);
 916
 917                 /* Make sure the contact is still member */
 918                 if (tp_intset_is_member (members, handle)) {
 919                         self->priv->members = g_list_prepend (self->priv->members,
 920                                 g_object_ref (contact));
 921                         g_signal_emit_by_name (chat, "members-changed",
 922                                                contact, NULL, 0, NULL, TRUE);
 923                 }
 924         }
 925
 926         check_almost_ready (EMPATHY_TP_CHAT (chat));
 927 }
 928
 929 static EmpathyContact *
 930 chat_lookup_contact (EmpathyTpChat *self,
 931                      TpHandle       handle,
 932                      gboolean       remove_)
 933 {
 934         GList *l;
 935
 936         for (l = self->priv->members; l; l = l->next) {
 937                 EmpathyContact *c = l->data;
 938
 939                 if (empathy_contact_get_handle (c) != handle) {
 940                         continue;
 941                 }
 942
 943                 if (remove_) {
 944                         /* Caller takes the reference. */
 945                         self->priv->members = g_list_delete_link (self->priv->members, l);
 946                 } else {
 947                         g_object_ref (c);
 948                 }
 949
 950                 return c;
 951         }
 952
 953         return NULL;
 954 }
 955
 956 typedef struct
 957 {
 958     TpHandle old_handle;
 959     guint reason;
 960     gchar *message;
 961 } ContactRenameData;
 962
 963 static ContactRenameData *
 964 contact_rename_data_new (TpHandle handle,
 965                          guint reason,
 966                          const gchar* message)
 967 {
 968         ContactRenameData *data = g_new (ContactRenameData, 1);
 969         data->old_handle = handle;
 970         data->reason = reason;
 971         data->message = g_strdup (message);
 972
 973         return data;
 974 }
 975
 976 static void
 977 contact_rename_data_free (ContactRenameData* data)
 978 {
 979         g_free (data->message);
 980         g_free (data);
 981 }
 982
 983 static void
 984 tp_chat_got_renamed_contacts_cb (TpConnection            *connection,
 985                                  guint                    n_contacts,
 986                                  EmpathyContact * const * contacts,
 987                                  guint                    n_failed,
 988                                  const TpHandle          *failed,
 989                                  const GError            *error,
 990                                  gpointer                 user_data,
 991                                  GObject                 *chat)
 992 {
 993         EmpathyTpChat *self = (EmpathyTpChat *) chat;
 994         const TpIntSet *members;
 995         TpHandle handle;
 996         EmpathyContact *old = NULL, *new = NULL;
 997         ContactRenameData *rename_data = (ContactRenameData *) user_data;
 998
 999         if (error) {
1000                 DEBUG ("Error: %s", error->message);
1001                 return;
1002         }
1003
1004         /* renamed members can only be delivered one at a time */
1005         g_warn_if_fail (n_contacts == 1);
1006
1007         new = contacts[0];
1008
1009         members = tp_channel_group_get_members ((TpChannel *) self);
1010         handle = empathy_contact_get_handle (new);
1011
1012         old = chat_lookup_contact (self, rename_data->old_handle, TRUE);
1013
1014         /* Make sure the contact is still member */
1015         if (tp_intset_is_member (members, handle)) {
1016                 self->priv->members = g_list_prepend (self->priv->members,
1017                         g_object_ref (new));
1018
1019                 if (old != NULL) {
1020                         g_signal_emit_by_name (self, "member-renamed",
1021                                                old, new, rename_data->reason,
1022                                                rename_data->message);
1023                         g_object_unref (old);
1024                 }
1025         }
1026
1027         if (self->priv->user == old) {
1028                 /* We change our nick */
1029                 tp_clear_object (&self->priv->user);
1030                 self->priv->user = g_object_ref (new);
1031         }
1032
1033         check_almost_ready (self);
1034 }
1035
1036
1037 static void
1038 tp_chat_group_members_changed_cb (TpChannel     *channel,
1039                                   gchar         *message,
1040                                   GArray        *added,
1041                                   GArray        *removed,
1042                                   GArray        *local_pending,
1043                                   GArray        *remote_pending,
1044                                   guint          actor,
1045                                   guint          reason,
1046                                   EmpathyTpChat *self)
1047 {
1048         EmpathyContact *contact;
1049         EmpathyContact *actor_contact = NULL;
1050         guint i;
1051         ContactRenameData *rename_data;
1052         TpHandle old_handle;
1053         TpConnection *connection = tp_channel_borrow_connection (
1054                 (TpChannel *) self);
1055
1056         /* Contact renamed */
1057         if (reason == TP_CHANNEL_GROUP_CHANGE_REASON_RENAMED) {
1058                 /* there can only be a single 'added' and a single 'removed' handle */
1059                 if (removed->len != 1 || added->len != 1) {
1060                         g_warning ("RENAMED with %u added, %u removed (expected 1, 1)",
1061                                 added->len, removed->len);
1062                         return;
1063                 }
1064
1065                 old_handle = g_array_index (removed, guint, 0);
1066
1067                 rename_data = contact_rename_data_new (old_handle, reason, message);
1068                 empathy_tp_contact_factory_get_from_handles (connection,
1069                         added->len, (TpHandle *) added->data,
1070                         tp_chat_got_renamed_contacts_cb,
1071                         rename_data, (GDestroyNotify) contact_rename_data_free,
1072                         G_OBJECT (self));
1073                 return;
1074         }
1075
1076         if (actor != 0) {
1077                 actor_contact = chat_lookup_contact (self, actor, FALSE);
1078                 if (actor_contact == NULL) {
1079                         /* FIXME: handle this a tad more gracefully: perhaps
1080                          * the actor was a server op. We could use the
1081                          * contact-ids detail of MembersChangedDetailed.
1082                          */
1083                         DEBUG ("actor %u not a channel member", actor);
1084                 }
1085         }
1086
1087         /* Remove contacts that are not members anymore */
1088         for (i = 0; i < removed->len; i++) {
1089                 contact = chat_lookup_contact (self,
1090                         g_array_index (removed, TpHandle, i), TRUE);
1091
1092                 if (contact != NULL) {
1093                         g_signal_emit_by_name (self, "members-changed", contact,
1094                                                actor_contact, reason, message,
1095                                                FALSE);
1096                         g_object_unref (contact);
1097                 }
1098         }
1099
1100         /* Request added contacts */
1101         if (added->len > 0) {
1102                 empathy_tp_contact_factory_get_from_handles (connection,
1103                         added->len, (TpHandle *) added->data,
1104                         tp_chat_got_added_contacts_cb, NULL, NULL,
1105                         G_OBJECT (self));
1106         }
1107
1108         if (actor_contact != NULL) {
1109                 g_object_unref (actor_contact);
1110         }
1111 }
1112
1113 static void
1114 tp_chat_got_remote_contact_cb (TpConnection            *connection,
1115                                EmpathyContact          *contact,
1116                                const GError            *error,
1117                                gpointer                 user_data,
1118                                GObject                 *chat)
1119 {
1120         EmpathyTpChat *self = (EmpathyTpChat *) chat;
1121
1122         if (error) {
1123                 DEBUG ("Error: %s", error->message);
1124                 empathy_tp_chat_leave (self, "");
1125                 return;
1126         }
1127
1128         self->priv->remote_contact = g_object_ref (contact);
1129         g_object_notify (chat, "remote-contact");
1130
1131         check_almost_ready (self);
1132 }
1133
1134 static void
1135 tp_chat_got_self_contact_cb (TpConnection            *connection,
1136                              EmpathyContact          *contact,
1137                              const GError            *error,
1138                              gpointer                 user_data,
1139                              GObject                 *chat)
1140 {
1141         EmpathyTpChat *self = (EmpathyTpChat *) chat;
1142
1143         if (error) {
1144                 DEBUG ("Error: %s", error->message);
1145                 empathy_tp_chat_leave (self, "");
1146                 return;
1147         }
1148
1149         self->priv->user = g_object_ref (contact);
1150         empathy_contact_set_is_user (self->priv->user, TRUE);
1151         check_almost_ready (self);
1152 }
1153
1154 static void
1155 tp_chat_get_property (GObject    *object,
1156                       guint       param_id,
1157                       GValue     *value,
1158                       GParamSpec *pspec)
1159 {
1160         EmpathyTpChat *self = EMPATHY_TP_CHAT (object);
1161
1162         switch (param_id) {
1163         case PROP_ACCOUNT:
1164                 g_value_set_object (value, self->priv->account);
1165                 break;
1166         case PROP_REMOTE_CONTACT:
1167                 g_value_set_object (value, self->priv->remote_contact);
1168                 break;
1169         case PROP_N_MESSAGES_SENDING:
1170                 g_value_set_uint (value,
1171                         g_hash_table_size (self->priv->messages_being_sent));
1172                 break;
1173         default:
1174                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
1175                 break;
1176         };
1177 }
1178
1179 static void
1180 tp_chat_set_property (GObject      *object,
1181                       guint         param_id,
1182                       const GValue *value,
1183                       GParamSpec   *pspec)
1184 {
1185         EmpathyTpChat *self = EMPATHY_TP_CHAT (object);
1186
1187         switch (param_id) {
1188         case PROP_ACCOUNT:
1189                 self->priv->account = g_value_dup_object (value);
1190                 break;
1191         default:
1192                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
1193                 break;
1194         };
1195 }
1196
1197 enum {
1198         FEAT_READY,
1199         N_FEAT
1200 };
1201
1202 static const TpProxyFeature *
1203 tp_chat_list_features (TpProxyClass *cls G_GNUC_UNUSED)
1204 {
1205         static TpProxyFeature features[N_FEAT + 1] = { { 0 } };
1206   static GQuark need[2] = {0, 0};
1207
1208         if (G_LIKELY (features[0].name != 0))
1209                 return features;
1210
1211         features[FEAT_READY].name = EMPATHY_TP_CHAT_FEATURE_READY;
1212         need[0] = TP_TEXT_CHANNEL_FEATURE_INCOMING_MESSAGES;
1213         features[FEAT_READY].depends_on = need;
1214         features[FEAT_READY].prepare_async =
1215                 tp_chat_prepare_ready_async;
1216
1217         /* assert that the terminator at the end is there */
1218         g_assert (features[N_FEAT].name == 0);
1219
1220         return features;
1221 }
1222
1223 static void
1224 empathy_tp_chat_class_init (EmpathyTpChatClass *klass)
1225 {
1226         GObjectClass *object_class = G_OBJECT_CLASS (klass);
1227         TpProxyClass *proxy_class = TP_PROXY_CLASS (klass);
1228
1229         object_class->dispose = tp_chat_dispose;
1230         object_class->finalize = tp_chat_finalize;
1231         object_class->get_property = tp_chat_get_property;
1232         object_class->set_property = tp_chat_set_property;
1233
1234         proxy_class->list_features = tp_chat_list_features;
1235
1236         g_object_class_install_property (object_class,
1237                                          PROP_ACCOUNT,
1238                                          g_param_spec_object ("account",
1239                                                               "TpAccount",
1240                                                               "the account associated with the chat",
1241                                                               TP_TYPE_ACCOUNT,
1242                                                               G_PARAM_READWRITE |
1243                                                               G_PARAM_CONSTRUCT_ONLY |
1244                                                               G_PARAM_STATIC_STRINGS));
1245
1246         g_object_class_install_property (object_class,
1247                                          PROP_REMOTE_CONTACT,
1248                                          g_param_spec_object ("remote-contact",
1249                                                               "The remote contact",
1250                                                               "The remote contact if there is no group iface on the channel",
1251                                                               EMPATHY_TYPE_CONTACT,
1252                                                               G_PARAM_READABLE));
1253
1254         g_object_class_install_property (object_class,
1255                                          PROP_N_MESSAGES_SENDING,
1256                                          g_param_spec_uint ("n-messages-sending",
1257                                                             "Num Messages Sending",
1258                                                             "The number of messages being sent",
1259                                                             0, G_MAXUINT, 0,
1260                                                             G_PARAM_READABLE));
1261
1262         /* Signals */
1263         signals[MESSAGE_RECEIVED] =
1264                 g_signal_new ("message-received-empathy",
1265                               G_TYPE_FROM_CLASS (klass),
1266                               G_SIGNAL_RUN_LAST,
1267                               0,
1268                               NULL, NULL,
1269                               g_cclosure_marshal_generic,
1270                               G_TYPE_NONE,
1271                               1, EMPATHY_TYPE_MESSAGE);
1272
1273         signals[SEND_ERROR] =
1274                 g_signal_new ("send-error",
1275                               G_TYPE_FROM_CLASS (klass),
1276                               G_SIGNAL_RUN_LAST,
1277                               0,
1278                               NULL, NULL,
1279                               g_cclosure_marshal_generic,
1280                               G_TYPE_NONE,
1281                               3, G_TYPE_STRING, G_TYPE_UINT, G_TYPE_STRING);
1282
1283         signals[CHAT_STATE_CHANGED] =
1284                 g_signal_new ("chat-state-changed-empathy",
1285                               G_TYPE_FROM_CLASS (klass),
1286                               G_SIGNAL_RUN_LAST,
1287                               0,
1288                               NULL, NULL,
1289                               g_cclosure_marshal_generic,
1290                               G_TYPE_NONE,
1291                               2, EMPATHY_TYPE_CONTACT, G_TYPE_UINT);
1292
1293         signals[PROPERTY_CHANGED] =
1294                 g_signal_new ("property-changed",
1295                               G_TYPE_FROM_CLASS (klass),
1296                               G_SIGNAL_RUN_LAST,
1297                               0,
1298                               NULL, NULL,
1299                               g_cclosure_marshal_generic,
1300                               G_TYPE_NONE,
1301                               2, G_TYPE_STRING, G_TYPE_VALUE);
1302
1303         signals[MESSAGE_ACKNOWLEDGED] =
1304                 g_signal_new ("message-acknowledged",
1305                               G_TYPE_FROM_CLASS (klass),
1306                               G_SIGNAL_RUN_LAST,
1307                               0,
1308                               NULL, NULL,
1309                               g_cclosure_marshal_generic,
1310                               G_TYPE_NONE,
1311                               1, EMPATHY_TYPE_MESSAGE);
1312
1313         g_type_class_add_private (object_class, sizeof (EmpathyTpChatPrivate));
1314 }
1315
1316 static void
1317 empathy_tp_chat_init (EmpathyTpChat *self)
1318 {
1319         self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
1320                 EMPATHY_TYPE_TP_CHAT, EmpathyTpChatPrivate);
1321
1322         self->priv->messages_queue = g_queue_new ();
1323         self->priv->pending_messages_queue = g_queue_new ();
1324         self->priv->messages_being_sent = g_hash_table_new_full (
1325                 g_str_hash, g_str_equal, g_free, NULL);
1326 }
1327
1328 static void
1329 tp_chat_iface_init (EmpathyContactListIface *iface)
1330 {
1331         iface->add         = tp_chat_add;
1332         iface->remove      = tp_chat_remove;
1333         iface->get_members = tp_chat_get_members;
1334 }
1335
1336 EmpathyTpChat *
1337 empathy_tp_chat_new (
1338                      TpSimpleClientFactory *factory,
1339                      TpAccount *account,
1340                      TpConnection *conn,
1341                      const gchar *object_path,
1342                      const GHashTable *immutable_properties)
1343 {
1344         TpProxy *conn_proxy = (TpProxy *) conn;
1345
1346         g_return_val_if_fail (TP_IS_ACCOUNT (account), NULL);
1347         g_return_val_if_fail (TP_IS_CONNECTION (conn), NULL);
1348         g_return_val_if_fail (immutable_properties != NULL, NULL);
1349
1350         return g_object_new (EMPATHY_TYPE_TP_CHAT,
1351                              "factory", factory,
1352                              "account", account,
1353                              "connection", conn,
1354                              "dbus-daemon", conn_proxy->dbus_daemon,
1355                              "bus-name", conn_proxy->bus_name,
1356                              "object-path", object_path,
1357                              "channel-properties", immutable_properties,
1358                              NULL);
1359 }
1360
1361 const gchar *
1362 empathy_tp_chat_get_id (EmpathyTpChat *self)
1363 {
1364         const gchar *id;
1365
1366         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (self), NULL);
1367
1368         id = tp_channel_get_identifier ((TpChannel *) self);
1369         if (!EMP_STR_EMPTY (id))
1370                 return id;
1371         else if (self->priv->remote_contact)
1372                 return empathy_contact_get_id (self->priv->remote_contact);
1373         else
1374                 return NULL;
1375
1376 }
1377
1378 EmpathyContact *
1379 empathy_tp_chat_get_remote_contact (EmpathyTpChat *self)
1380 {
1381         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (self), NULL);
1382
1383         return self->priv->remote_contact;
1384 }
1385
1386 TpAccount *
1387 empathy_tp_chat_get_account (EmpathyTpChat *self)
1388 {
1389         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (self), NULL);
1390
1391         return self->priv->account;
1392 }
1393
1394 void
1395 empathy_tp_chat_send (EmpathyTpChat *self,
1396                       TpMessage *message)
1397 {
1398         gchar *message_body;
1399
1400         g_return_if_fail (EMPATHY_IS_TP_CHAT (self));
1401         g_return_if_fail (TP_IS_CLIENT_MESSAGE (message));
1402
1403         message_body = tp_message_to_text (message, NULL);
1404
1405         DEBUG ("Sending message: %s", message_body);
1406
1407         tp_text_channel_send_message_async (TP_TEXT_CHANNEL (self),
1408                 message, TP_MESSAGE_SENDING_FLAG_REPORT_DELIVERY,
1409                 message_send_cb, self);
1410
1411         g_free (message_body);
1412 }
1413
1414 const GList *
1415 empathy_tp_chat_get_pending_messages (EmpathyTpChat *self)
1416 {
1417         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (self), NULL);
1418
1419         return self->priv->pending_messages_queue->head;
1420 }
1421
1422 void
1423 empathy_tp_chat_acknowledge_message (EmpathyTpChat *self,
1424                                      EmpathyMessage *message) {
1425         TpMessage *tp_msg;
1426
1427         g_return_if_fail (EMPATHY_IS_TP_CHAT (self));
1428
1429         if (!empathy_message_is_incoming (message))
1430                 return;
1431
1432         tp_msg = empathy_message_get_tp_message (message);
1433         tp_text_channel_ack_message_async (TP_TEXT_CHANNEL (self),
1434                                            tp_msg, NULL, NULL);
1435 }
1436
1437 /**
1438  * empathy_tp_chat_can_add_contact:
1439  *
1440  * Returns: %TRUE if empathy_contact_list_add() will work for this channel.
1441  * That is if this chat is a 1-to-1 channel that can be upgraded to
1442  * a MUC using the Conference interface or if the channel is a MUC.
1443  */
1444 gboolean
1445 empathy_tp_chat_can_add_contact (EmpathyTpChat *self)
1446 {
1447         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (self), FALSE);
1448
1449         return self->priv->can_upgrade_to_muc ||
1450                 tp_proxy_has_interface_by_id (self,
1451                         TP_IFACE_QUARK_CHANNEL_INTERFACE_GROUP);;
1452 }
1453
1454 static void
1455 tp_channel_leave_async_cb (GObject *source_object,
1456         GAsyncResult *res,
1457         gpointer user_data)
1458 {
1459         GError *error = NULL;
1460
1461         if (!tp_channel_leave_finish (TP_CHANNEL (source_object), res, &error)) {
1462                 DEBUG ("Could not leave channel properly: (%s); closing the channel",
1463                         error->message);
1464                 g_error_free (error);
1465         }
1466 }
1467
1468 void
1469 empathy_tp_chat_leave (EmpathyTpChat *self,
1470                 const gchar *message)
1471 {
1472         TpChannel *channel = (TpChannel *) self;
1473
1474         DEBUG ("Leaving channel %s with message \"%s\"",
1475                 tp_channel_get_identifier (channel), message);
1476
1477         tp_channel_leave_async (channel, TP_CHANNEL_GROUP_CHANGE_REASON_NONE,
1478                 message, tp_channel_leave_async_cb, self);
1479 }
1480
1481 static void
1482 add_members_cb (TpChannel *proxy,
1483                 const GError *error,
1484                 gpointer user_data,
1485                 GObject *weak_object)
1486 {
1487         EmpathyTpChat *self = (EmpathyTpChat *) weak_object;
1488
1489         if (error != NULL) {
1490                 DEBUG ("Failed to join chat (%s): %s",
1491                         tp_channel_get_identifier ((TpChannel *) self), error->message);
1492         }
1493 }
1494
1495 void
1496 empathy_tp_chat_join (EmpathyTpChat *self)
1497 {
1498         TpHandle self_handle;
1499         GArray *members;
1500
1501         self_handle = tp_channel_group_get_self_handle ((TpChannel *) self);
1502
1503         members = g_array_sized_new (FALSE, FALSE, sizeof (TpHandle), 1);
1504         g_array_append_val (members, self_handle);
1505
1506         tp_cli_channel_interface_group_call_add_members ((TpChannel *) self, -1, members,
1507                 "", add_members_cb, NULL, NULL, G_OBJECT (self));
1508
1509         g_array_free (members, TRUE);
1510 }
1511
1512 gboolean
1513 empathy_tp_chat_is_invited (EmpathyTpChat *self,
1514                             TpHandle *inviter)
1515 {
1516         TpHandle self_handle;
1517
1518         if (!tp_proxy_has_interface (self, TP_IFACE_CHANNEL_INTERFACE_GROUP))
1519                 return FALSE;
1520
1521         self_handle = tp_channel_group_get_self_handle ((TpChannel *) self);
1522         if (self_handle == 0)
1523                 return FALSE;
1524
1525         return tp_channel_group_get_local_pending_info ((TpChannel *) self, self_handle,
1526                 inviter, NULL, NULL);
1527 }
1528
1529 TpChannelChatState
1530 empathy_tp_chat_get_chat_state (EmpathyTpChat *self,
1531                             EmpathyContact *contact)
1532 {
1533         return tp_channel_get_chat_state ((TpChannel *) self,
1534                 empathy_contact_get_handle (contact));
1535 }
1536
1537 EmpathyContact *
1538 empathy_tp_chat_get_self_contact (EmpathyTpChat *self)
1539 {
1540         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (self), NULL);
1541
1542         return self->priv->user;
1543 }
1544
1545 GQuark
1546 empathy_tp_chat_get_feature_ready (void)
1547 {
1548         return g_quark_from_static_string ("empathy-tp-chat-feature-ready");
1549 }
1550
1551 static void
1552 tp_chat_prepare_ready_async (TpProxy *proxy,
1553         const TpProxyFeature *feature,
1554         GAsyncReadyCallback callback,
1555         gpointer user_data)
1556 {
1557         EmpathyTpChat *self = (EmpathyTpChat *) proxy;
1558         TpChannel *channel = (TpChannel *) proxy;
1559         TpConnection *connection;
1560
1561         g_assert (self->priv->ready_result == NULL);
1562         self->priv->ready_result = g_simple_async_result_new (G_OBJECT (self),
1563                 callback, user_data, tp_chat_prepare_ready_async);
1564
1565         connection = tp_channel_borrow_connection (channel);
1566
1567         if (tp_proxy_has_interface_by_id (self,
1568                                           TP_IFACE_QUARK_CHANNEL_INTERFACE_GROUP)) {
1569                 const TpIntSet *members;
1570                 GArray *handles;
1571                 TpHandle handle;
1572
1573                 /* Get self contact from the group's self handle */
1574                 handle = tp_channel_group_get_self_handle (channel);
1575                 empathy_tp_contact_factory_get_from_handle (connection,
1576                         handle, tp_chat_got_self_contact_cb,
1577                         NULL, NULL, G_OBJECT (self));
1578
1579                 /* Get initial member contacts */
1580                 members = tp_channel_group_get_members (channel);
1581                 handles = tp_intset_to_array (members);
1582                 empathy_tp_contact_factory_get_from_handles (connection,
1583                         handles->len, (TpHandle *) handles->data,
1584                         tp_chat_got_added_contacts_cb, NULL, NULL, G_OBJECT (self));
1585
1586                 self->priv->can_upgrade_to_muc = FALSE;
1587
1588                 tp_g_signal_connect_object (self, "group-members-changed",
1589                         G_CALLBACK (tp_chat_group_members_changed_cb), self, 0);
1590         } else {
1591                 TpCapabilities *caps;
1592                 GPtrArray *classes;
1593                 guint i;
1594                 TpHandle handle;
1595
1596                 /* Get the self contact from the connection's self handle */
1597                 handle = tp_connection_get_self_handle (connection);
1598                 empathy_tp_contact_factory_get_from_handle (connection,
1599                         handle, tp_chat_got_self_contact_cb,
1600                         NULL, NULL, G_OBJECT (self));
1601
1602                 /* Get the remote contact */
1603                 handle = tp_channel_get_handle (channel, NULL);
1604                 empathy_tp_contact_factory_get_from_handle (connection,
1605                         handle, tp_chat_got_remote_contact_cb,
1606                         NULL, NULL, G_OBJECT (self));
1607
1608                 caps = tp_connection_get_capabilities (connection);
1609                 g_assert (caps != NULL);
1610
1611                 classes = tp_capabilities_get_channel_classes (caps);
1612
1613                 for (i = 0; i < classes->len; i++) {
1614                         GValueArray *array = g_ptr_array_index (classes, i);
1615                         const char **oprops = g_value_get_boxed (
1616                                 g_value_array_get_nth (array, 1));
1617
1618                         if (tp_strv_contains (oprops, TP_PROP_CHANNEL_INTERFACE_CONFERENCE_INITIAL_CHANNELS)) {
1619                                 self->priv->can_upgrade_to_muc = TRUE;
1620                                 break;
1621                         }
1622                 }
1623         }
1624
1625         if (tp_proxy_has_interface_by_id (self,
1626                                           TP_IFACE_QUARK_PROPERTIES_INTERFACE)) {
1627                 tp_cli_properties_interface_call_list_properties (channel, -1,
1628                                                                   tp_chat_list_properties_cb,
1629                                                                   NULL, NULL,
1630                                                                   G_OBJECT (self));
1631                 tp_cli_properties_interface_connect_to_properties_changed (channel,
1632                                                                            tp_chat_properties_changed_cb,
1633                                                                            NULL, NULL,
1634                                                                            G_OBJECT (self), NULL);
1635                 tp_cli_properties_interface_connect_to_property_flags_changed (channel,
1636                                                                                tp_chat_property_flags_changed_cb,
1637                                                                                NULL, NULL,
1638                                                                                G_OBJECT (self), NULL);
1639         }
1640 }