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