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-marshal.h"
  34 #include "empathy-request-util.h"
  35 #include "empathy-time.h"
  36 #include "empathy-utils.h"
  37
  38 #define DEBUG_FLAG EMPATHY_DEBUG_TP | EMPATHY_DEBUG_CHAT
  39 #include "empathy-debug.h"
  40
  41 #define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyTpChat)
  42 typedef struct {
  43         gboolean               dispose_has_run;
  44         TpAccount             *account;
  45         TpConnection          *connection;
  46         EmpathyContact        *user;
  47         EmpathyContact        *remote_contact;
  48         GList                 *members;
  49         TpChannel             *channel;
  50         /* Queue of messages not signalled yet */
  51         GQueue                *messages_queue;
  52         /* Queue of messages signalled but not acked yet */
  53         GQueue                *pending_messages_queue;
  54         gboolean               had_properties_list;
  55         GPtrArray             *properties;
  56         TpChannelPasswordFlags password_flags;
  57         /* TRUE if we fetched the password flag of the channel or if it's not needed
  58          * (channel doesn't implement the Password interface) */
  59         gboolean               got_password_flags;
  60         gboolean               ready;
  61         gboolean               can_upgrade_to_muc;
  62 } EmpathyTpChatPriv;
  63
  64 static void tp_chat_iface_init         (EmpathyContactListIface *iface);
  65
  66 enum {
  67         PROP_0,
  68         PROP_ACCOUNT,
  69         PROP_CHANNEL,
  70         PROP_REMOTE_CONTACT,
  71         PROP_PASSWORD_NEEDED,
  72         PROP_READY,
  73 };
  74
  75 enum {
  76         MESSAGE_RECEIVED,
  77         SEND_ERROR,
  78         CHAT_STATE_CHANGED,
  79         PROPERTY_CHANGED,
  80         DESTROY,
  81         LAST_SIGNAL
  82 };
  83
  84 static guint signals[LAST_SIGNAL];
  85
  86 G_DEFINE_TYPE_WITH_CODE (EmpathyTpChat, empathy_tp_chat, G_TYPE_OBJECT,
  87                          G_IMPLEMENT_INTERFACE (EMPATHY_TYPE_CONTACT_LIST,
  88                                                 tp_chat_iface_init));
  89
  90 static void acknowledge_messages (EmpathyTpChat *chat, GArray *ids);
  91
  92 static void
  93 tp_chat_invalidated_cb (TpProxy       *proxy,
  94                         guint          domain,
  95                         gint           code,
  96                         gchar         *message,
  97                         EmpathyTpChat *chat)
  98 {
  99         DEBUG ("Channel invalidated: %s", message);
 100         g_signal_emit (chat, signals[DESTROY], 0);
 101 }
 102
 103 static void
 104 tp_chat_async_cb (TpChannel *proxy,
 105                   const GError *error,
 106                   gpointer user_data,
 107                   GObject *weak_object)
 108 {
 109         if (error) {
 110                 DEBUG ("Error %s: %s", (gchar *) user_data, error->message);
 111         }
 112 }
 113
 114 static void
 115 create_conference_cb (GObject *source,
 116                       GAsyncResult *result,
 117                       gpointer user_data)
 118 {
 119         GError *error = NULL;
 120
 121         if (!tp_account_channel_request_create_channel_finish (
 122                         TP_ACCOUNT_CHANNEL_REQUEST (source), result, &error)) {
 123                 DEBUG ("Failed to create conference channel: %s", error->message);
 124                 g_error_free (error);
 125         }
 126 }
 127
 128 static void
 129 tp_chat_add (EmpathyContactList *list,
 130              EmpathyContact     *contact,
 131              const gchar        *message)
 132 {
 133         EmpathyTpChatPriv *priv = GET_PRIV (list);
 134
 135         if (tp_proxy_has_interface_by_id (priv->channel,
 136                 TP_IFACE_QUARK_CHANNEL_INTERFACE_GROUP)) {
 137                 TpHandle           handle;
 138                 GArray             handles = {(gchar *) &handle, 1};
 139
 140                 g_return_if_fail (EMPATHY_IS_TP_CHAT (list));
 141                 g_return_if_fail (EMPATHY_IS_CONTACT (contact));
 142
 143                 handle = empathy_contact_get_handle (contact);
 144                 tp_cli_channel_interface_group_call_add_members (priv->channel,
 145                         -1, &handles, NULL, NULL, NULL, NULL, NULL);
 146         } else if (priv->can_upgrade_to_muc) {
 147                 TpAccountChannelRequest *req;
 148                 GHashTable        *props;
 149                 const char        *object_path;
 150                 GPtrArray          channels = { (gpointer *) &object_path, 1 };
 151                 const char        *invitees[2] = { NULL, };
 152
 153                 invitees[0] = empathy_contact_get_id (contact);
 154                 object_path = tp_proxy_get_object_path (priv->channel);
 155
 156                 props = tp_asv_new (
 157                     TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING,
 158                         TP_IFACE_CHANNEL_TYPE_TEXT,
 159                     TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, G_TYPE_UINT,
 160                         TP_HANDLE_TYPE_NONE,
 161                     TP_PROP_CHANNEL_INTERFACE_CONFERENCE_INITIAL_CHANNELS,
 162                         TP_ARRAY_TYPE_OBJECT_PATH_LIST, &channels,
 163                     TP_PROP_CHANNEL_INTERFACE_CONFERENCE_INITIAL_INVITEE_IDS,
 164                         G_TYPE_STRV, invitees,
 165                     /* FIXME: InvitationMessage ? */
 166                     NULL);
 167
 168                 req = tp_account_channel_request_new (priv->account, props,
 169                         TP_USER_ACTION_TIME_NOT_USER_ACTION);
 170
 171                 /* Although this is a MUC, it's anonymous, so CreateChannel is
 172                  * valid. */
 173                 tp_account_channel_request_create_channel_async (req, EMPATHY_CHAT_BUS_NAME,
 174                         NULL, create_conference_cb, NULL);
 175
 176                 g_object_unref (req);
 177                 g_hash_table_unref (props);
 178         } else {
 179                 g_warning ("Cannot add to this channel");
 180         }
 181 }
 182
 183 static void
 184 tp_chat_remove (EmpathyContactList *list,
 185                 EmpathyContact     *contact,
 186                 const gchar        *message)
 187 {
 188         EmpathyTpChatPriv *priv = GET_PRIV (list);
 189         TpHandle           handle;
 190         GArray             handles = {(gchar *) &handle, 1};
 191
 192         g_return_if_fail (EMPATHY_IS_TP_CHAT (list));
 193         g_return_if_fail (EMPATHY_IS_CONTACT (contact));
 194
 195         handle = empathy_contact_get_handle (contact);
 196         tp_cli_channel_interface_group_call_remove_members (priv->channel, -1,
 197                                                             &handles, NULL,
 198                                                             NULL, NULL, NULL,
 199                                                             NULL);
 200 }
 201
 202 static GList *
 203 tp_chat_get_members (EmpathyContactList *list)
 204 {
 205         EmpathyTpChatPriv *priv = GET_PRIV (list);
 206         GList             *members = NULL;
 207
 208         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (list), NULL);
 209
 210         if (priv->members) {
 211                 members = g_list_copy (priv->members);
 212                 g_list_foreach (members, (GFunc) g_object_ref, NULL);
 213         } else {
 214                 members = g_list_prepend (members, g_object_ref (priv->user));
 215                 if (priv->remote_contact != NULL)
 216                         members = g_list_prepend (members, g_object_ref (priv->remote_contact));
 217         }
 218
 219         return members;
 220 }
 221
 222 static void
 223 check_ready (EmpathyTpChat *chat)
 224 {
 225         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 226
 227         if (priv->ready)
 228                 return;
 229
 230         if (g_queue_get_length (priv->messages_queue) > 0)
 231                 return;
 232
 233         DEBUG ("Ready");
 234
 235         priv->ready = TRUE;
 236         g_object_notify (G_OBJECT (chat), "ready");
 237 }
 238
 239 static void
 240 tp_chat_emit_queued_messages (EmpathyTpChat *chat)
 241 {
 242         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 243         EmpathyMessage    *message;
 244
 245         /* Check if we can now emit some queued messages */
 246         while ((message = g_queue_peek_head (priv->messages_queue)) != NULL) {
 247                 if (empathy_message_get_sender (message) == NULL) {
 248                         break;
 249                 }
 250
 251                 DEBUG ("Queued message ready");
 252                 g_queue_pop_head (priv->messages_queue);
 253                 g_queue_push_tail (priv->pending_messages_queue, message);
 254                 g_signal_emit (chat, signals[MESSAGE_RECEIVED], 0, message);
 255         }
 256
 257         check_ready (chat);
 258 }
 259
 260 static void
 261 tp_chat_got_sender_cb (TpConnection            *connection,
 262                        EmpathyContact          *contact,
 263                        const GError            *error,
 264                        gpointer                 message,
 265                        GObject                 *chat)
 266 {
 267         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 268
 269         if (error) {
 270                 DEBUG ("Error: %s", error->message);
 271                 /* Do not block the message queue, just drop this message */
 272                 g_queue_remove (priv->messages_queue, message);
 273         } else {
 274                 empathy_message_set_sender (message, contact);
 275         }
 276
 277         tp_chat_emit_queued_messages (EMPATHY_TP_CHAT (chat));
 278 }
 279
 280 static void
 281 tp_chat_build_message (EmpathyTpChat *chat,
 282                        TpMessage     *msg,
 283                        gboolean       incoming)
 284 {
 285         EmpathyTpChatPriv *priv;
 286         EmpathyMessage    *message;
 287         TpContact *sender;
 288
 289         priv = GET_PRIV (chat);
 290
 291         message = empathy_message_new_from_tp_message (msg, incoming);
 292         /* FIXME: this is actually a lie for incoming messages. */
 293         empathy_message_set_receiver (message, priv->user);
 294
 295         g_queue_push_tail (priv->messages_queue, message);
 296
 297         sender = tp_signalled_message_get_sender (msg);
 298         g_assert (sender != NULL);
 299
 300         if (tp_contact_get_handle (sender) == 0) {
 301                 empathy_message_set_sender (message, priv->user);
 302                 tp_chat_emit_queued_messages (chat);
 303         } else {
 304                 empathy_tp_contact_factory_get_from_handle (priv->connection,
 305                         tp_contact_get_handle (sender),
 306                         tp_chat_got_sender_cb,
 307                         message, NULL, G_OBJECT (chat));
 308         }
 309 }
 310
 311 static void
 312 message_received_cb (TpTextChannel   *channel,
 313                      TpMessage *message,
 314                      EmpathyTpChat *chat)
 315 {
 316         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 317         gchar *message_body;
 318
 319         message_body = tp_message_to_text (message, NULL);
 320
 321         DEBUG ("Message received from channel %s: %s",
 322                 tp_proxy_get_object_path (channel), message_body);
 323
 324         if (message_body == NULL) {
 325                 DEBUG ("Empty message with NonTextContent, ignoring and acking.");
 326
 327                 tp_text_channel_ack_message_async (TP_TEXT_CHANNEL (priv->channel),
 328                         message, NULL, NULL);
 329                 return;
 330         }
 331
 332         tp_chat_build_message (chat, message, TRUE);
 333
 334         g_free (message_body);
 335 }
 336
 337 static void
 338 message_sent_cb (TpTextChannel   *channel,
 339                  TpMessage *message,
 340                  TpMessageSendingFlags flags,
 341                  gchar              *token,
 342                  EmpathyTpChat      *chat)
 343 {
 344         gchar *message_body;
 345
 346         message_body = tp_message_to_text (message, NULL);
 347
 348         DEBUG ("Message sent: %s", message_body);
 349
 350         tp_chat_build_message (chat, message, FALSE);
 351
 352         g_free (message_body);
 353 }
 354
 355 static void
 356 tp_chat_send_error_cb (TpChannel   *channel,
 357                        guint        error_code,
 358                        guint        timestamp,
 359                        guint        message_type,
 360                        const gchar *message_body,
 361                        gpointer     user_data,
 362                        GObject     *chat)
 363 {
 364         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 365
 366         if (priv->channel == NULL)
 367                 return;
 368
 369         DEBUG ("Error sending '%s' (%d)", message_body, error_code);
 370
 371         g_signal_emit (chat, signals[SEND_ERROR], 0, message_body, error_code);
 372 }
 373
 374 static void
 375 tp_chat_send_cb (TpChannel    *proxy,
 376                  const GError *error,
 377                  gpointer      user_data,
 378                  GObject      *chat)
 379 {
 380         EmpathyMessage *message = EMPATHY_MESSAGE (user_data);
 381
 382         if (error) {
 383                 DEBUG ("Error: %s", error->message);
 384                 g_signal_emit (chat, signals[SEND_ERROR], 0,
 385                                empathy_message_get_body (message),
 386                                TP_CHANNEL_TEXT_SEND_ERROR_UNKNOWN);
 387         }
 388 }
 389
 390 typedef struct {
 391         EmpathyTpChat *chat;
 392         TpChannelChatState state;
 393 } StateChangedData;
 394
 395 static void
 396 tp_chat_state_changed_got_contact_cb (TpConnection            *connection,
 397                                       EmpathyContact          *contact,
 398                                       const GError            *error,
 399                                       gpointer                 user_data,
 400                                       GObject                 *chat)
 401 {
 402         TpChannelChatState state;
 403
 404         if (error) {
 405                 DEBUG ("Error: %s", error->message);
 406                 return;
 407         }
 408
 409         state = GPOINTER_TO_UINT (user_data);
 410         DEBUG ("Chat state changed for %s (%d): %d",
 411                 empathy_contact_get_alias (contact),
 412                 empathy_contact_get_handle (contact), state);
 413
 414         g_signal_emit (chat, signals[CHAT_STATE_CHANGED], 0, contact, state);
 415 }
 416
 417 static void
 418 tp_chat_state_changed_cb (TpChannel *channel,
 419                           TpHandle   handle,
 420                           TpChannelChatState state,
 421                           gpointer   user_data,
 422                           GObject   *chat)
 423 {
 424         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 425
 426         empathy_tp_contact_factory_get_from_handle (priv->connection, handle,
 427                 tp_chat_state_changed_got_contact_cb, GUINT_TO_POINTER (state),
 428                 NULL, chat);
 429 }
 430
 431 static void
 432 list_pending_messages (EmpathyTpChat *self)
 433 {
 434         EmpathyTpChatPriv *priv = GET_PRIV (self);
 435         GList *messages, *l;
 436
 437         g_assert (priv->channel != NULL);
 438
 439         messages = tp_text_channel_get_pending_messages (
 440                 TP_TEXT_CHANNEL (priv->channel));
 441
 442         for (l = messages; l != NULL; l = g_list_next (l)) {
 443                 TpMessage *message = l->data;
 444                 gchar          *message_body;
 445
 446                 message_body = tp_message_to_text (message, NULL);
 447
 448                 DEBUG ("Message pending: %s", message_body);
 449
 450                 if (message_body == NULL) {
 451                         DEBUG ("Empty message with NonTextContent, ignoring and acking.");
 452
 453                         tp_text_channel_ack_message_async (TP_TEXT_CHANNEL (priv->channel),
 454                                 message, NULL, NULL);
 455                         continue;
 456                 }
 457
 458                 tp_chat_build_message (self, message, TRUE);
 459
 460                 g_free (message_body);
 461         }
 462
 463         g_list_free (messages);
 464 }
 465
 466 static void
 467 tp_chat_property_flags_changed_cb (TpProxy         *proxy,
 468                                    const GPtrArray *properties,
 469                                    gpointer         user_data,
 470                                    GObject         *chat)
 471 {
 472         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 473         guint              i, j;
 474
 475         if (priv->channel == NULL)
 476                 return;
 477
 478         if (!priv->had_properties_list || !properties) {
 479                 return;
 480         }
 481
 482         for (i = 0; i < properties->len; i++) {
 483                 GValueArray           *prop_struct;
 484                 EmpathyTpChatProperty *property;
 485                 guint                  id;
 486                 guint                  flags;
 487
 488                 prop_struct = g_ptr_array_index (properties, i);
 489                 id = g_value_get_uint (g_value_array_get_nth (prop_struct, 0));
 490                 flags = g_value_get_uint (g_value_array_get_nth (prop_struct, 1));
 491
 492                 for (j = 0; j < priv->properties->len; j++) {
 493                         property = g_ptr_array_index (priv->properties, j);
 494                         if (property->id == id) {
 495                                 property->flags = flags;
 496                                 DEBUG ("property %s flags changed: %d",
 497                                         property->name, property->flags);
 498                                 break;
 499                         }
 500                 }
 501         }
 502 }
 503
 504 static void
 505 tp_chat_properties_changed_cb (TpProxy         *proxy,
 506                                const GPtrArray *properties,
 507                                gpointer         user_data,
 508                                GObject         *chat)
 509 {
 510         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 511         guint              i, j;
 512
 513         if (priv->channel == NULL)
 514                 return;
 515
 516         if (!priv->had_properties_list || !properties) {
 517                 return;
 518         }
 519
 520         for (i = 0; i < properties->len; i++) {
 521                 GValueArray           *prop_struct;
 522                 EmpathyTpChatProperty *property;
 523                 guint                  id;
 524                 GValue                *src_value;
 525
 526                 prop_struct = g_ptr_array_index (properties, i);
 527                 id = g_value_get_uint (g_value_array_get_nth (prop_struct, 0));
 528                 src_value = g_value_get_boxed (g_value_array_get_nth (prop_struct, 1));
 529
 530                 for (j = 0; j < priv->properties->len; j++) {
 531                         property = g_ptr_array_index (priv->properties, j);
 532                         if (property->id == id) {
 533                                 if (property->value) {
 534                                         g_value_copy (src_value, property->value);
 535                                 } else {
 536                                         property->value = tp_g_value_slice_dup (src_value);
 537                                 }
 538
 539                                 DEBUG ("property %s changed", property->name);
 540                                 g_signal_emit (chat, signals[PROPERTY_CHANGED], 0,
 541                                                property->name, property->value);
 542                                 break;
 543                         }
 544                 }
 545         }
 546 }
 547
 548 static void
 549 tp_chat_get_properties_cb (TpProxy         *proxy,
 550                            const GPtrArray *properties,
 551                            const GError    *error,
 552                            gpointer         user_data,
 553                            GObject         *chat)
 554 {
 555         if (error) {
 556                 DEBUG ("Error getting properties: %s", error->message);
 557                 return;
 558         }
 559
 560         tp_chat_properties_changed_cb (proxy, properties, user_data, chat);
 561 }
 562
 563 static void
 564 tp_chat_list_properties_cb (TpProxy         *proxy,
 565                             const GPtrArray *properties,
 566                             const GError    *error,
 567                             gpointer         user_data,
 568                             GObject         *chat)
 569 {
 570         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 571         GArray            *ids;
 572         guint              i;
 573
 574         if (priv->channel == NULL)
 575                 return;
 576
 577         priv->had_properties_list = TRUE;
 578
 579         if (error) {
 580                 DEBUG ("Error listing properties: %s", error->message);
 581                 return;
 582         }
 583
 584         ids = g_array_sized_new (FALSE, FALSE, sizeof (guint), properties->len);
 585         priv->properties = g_ptr_array_sized_new (properties->len);
 586         for (i = 0; i < properties->len; i++) {
 587                 GValueArray           *prop_struct;
 588                 EmpathyTpChatProperty *property;
 589
 590                 prop_struct = g_ptr_array_index (properties, i);
 591                 property = g_slice_new0 (EmpathyTpChatProperty);
 592                 property->id = g_value_get_uint (g_value_array_get_nth (prop_struct, 0));
 593                 property->name = g_value_dup_string (g_value_array_get_nth (prop_struct, 1));
 594                 property->flags = g_value_get_uint (g_value_array_get_nth (prop_struct, 3));
 595
 596                 DEBUG ("Adding property name=%s id=%d flags=%d",
 597                         property->name, property->id, property->flags);
 598                 g_ptr_array_add (priv->properties, property);
 599                 if (property->flags & TP_PROPERTY_FLAG_READ) {
 600                         g_array_append_val (ids, property->id);
 601                 }
 602         }
 603
 604         tp_cli_properties_interface_call_get_properties (proxy, -1,
 605                                                          ids,
 606                                                          tp_chat_get_properties_cb,
 607                                                          NULL, NULL,
 608                                                          chat);
 609
 610         g_array_free (ids, TRUE);
 611 }
 612
 613 void
 614 empathy_tp_chat_set_property (EmpathyTpChat *chat,
 615                               const gchar   *name,
 616                               const GValue  *value)
 617 {
 618         EmpathyTpChatPriv     *priv = GET_PRIV (chat);
 619         EmpathyTpChatProperty *property;
 620         guint                  i;
 621
 622         if (!priv->had_properties_list) {
 623                 return;
 624         }
 625
 626         for (i = 0; i < priv->properties->len; i++) {
 627                 property = g_ptr_array_index (priv->properties, i);
 628                 if (!tp_strdiff (property->name, name)) {
 629                         GPtrArray   *properties;
 630                         GValueArray *prop;
 631                         GValue       id = {0, };
 632                         GValue       dest_value = {0, };
 633
 634                         if (!(property->flags & TP_PROPERTY_FLAG_WRITE)) {
 635                                 break;
 636                         }
 637
 638                         g_value_init (&id, G_TYPE_UINT);
 639                         g_value_init (&dest_value, G_TYPE_VALUE);
 640                         g_value_set_uint (&id, property->id);
 641                         g_value_set_boxed (&dest_value, value);
 642
 643                         prop = g_value_array_new (2);
 644                         g_value_array_append (prop, &id);
 645                         g_value_array_append (prop, &dest_value);
 646
 647                         properties = g_ptr_array_sized_new (1);
 648                         g_ptr_array_add (properties, prop);
 649
 650                         DEBUG ("Set property %s", name);
 651                         tp_cli_properties_interface_call_set_properties (priv->channel, -1,
 652                                                                          properties,
 653                                                                          (tp_cli_properties_interface_callback_for_set_properties)
 654                                                                          tp_chat_async_cb,
 655                                                                          "Seting property", NULL,
 656                                                                          G_OBJECT (chat));
 657
 658                         g_ptr_array_free (properties, TRUE);
 659                         g_value_array_free (prop);
 660
 661                         break;
 662                 }
 663         }
 664 }
 665
 666 EmpathyTpChatProperty *
 667 empathy_tp_chat_get_property (EmpathyTpChat *chat,
 668                               const gchar   *name)
 669 {
 670         EmpathyTpChatPriv     *priv = GET_PRIV (chat);
 671         EmpathyTpChatProperty *property;
 672         guint                  i;
 673
 674         if (!priv->had_properties_list) {
 675                 return NULL;
 676         }
 677
 678         for (i = 0; i < priv->properties->len; i++) {
 679                 property = g_ptr_array_index (priv->properties, i);
 680                 if (!tp_strdiff (property->name, name)) {
 681                         return property;
 682                 }
 683         }
 684
 685         return NULL;
 686 }
 687
 688 GPtrArray *
 689 empathy_tp_chat_get_properties (EmpathyTpChat *chat)
 690 {
 691         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 692
 693         return priv->properties;
 694 }
 695
 696 static void
 697 tp_chat_dispose (GObject *object)
 698 {
 699         EmpathyTpChat *self = EMPATHY_TP_CHAT (object);
 700         EmpathyTpChatPriv *priv = GET_PRIV (self);
 701
 702         if (priv->dispose_has_run)
 703                 return;
 704
 705         priv->dispose_has_run = TRUE;
 706
 707         tp_clear_object (&priv->account);
 708
 709         if (priv->connection != NULL)
 710                 g_object_unref (priv->connection);
 711         priv->connection = NULL;
 712
 713         if (priv->channel != NULL) {
 714                 g_signal_handlers_disconnect_by_func (priv->channel,
 715                         tp_chat_invalidated_cb, self);
 716                 g_object_unref (priv->channel);
 717         }
 718         priv->channel = NULL;
 719
 720         if (priv->remote_contact != NULL)
 721                 g_object_unref (priv->remote_contact);
 722         priv->remote_contact = NULL;
 723
 724         if (priv->user != NULL)
 725                 g_object_unref (priv->user);
 726         priv->user = NULL;
 727
 728         g_queue_foreach (priv->messages_queue, (GFunc) g_object_unref, NULL);
 729         g_queue_clear (priv->messages_queue);
 730
 731         g_queue_foreach (priv->pending_messages_queue,
 732                 (GFunc) g_object_unref, NULL);
 733         g_queue_clear (priv->pending_messages_queue);
 734
 735         if (G_OBJECT_CLASS (empathy_tp_chat_parent_class)->dispose)
 736                 G_OBJECT_CLASS (empathy_tp_chat_parent_class)->dispose (object);
 737 }
 738
 739 static void
 740 tp_chat_finalize (GObject *object)
 741 {
 742         EmpathyTpChatPriv *priv = GET_PRIV (object);
 743         guint              i;
 744
 745         DEBUG ("Finalize: %p", object);
 746
 747         if (priv->properties) {
 748                 for (i = 0; i < priv->properties->len; i++) {
 749                         EmpathyTpChatProperty *property;
 750
 751                         property = g_ptr_array_index (priv->properties, i);
 752                         g_free (property->name);
 753                         if (property->value) {
 754                                 tp_g_value_slice_free (property->value);
 755                         }
 756                         g_slice_free (EmpathyTpChatProperty, property);
 757                 }
 758                 g_ptr_array_free (priv->properties, TRUE);
 759         }
 760
 761         g_queue_free (priv->messages_queue);
 762         g_queue_free (priv->pending_messages_queue);
 763
 764         G_OBJECT_CLASS (empathy_tp_chat_parent_class)->finalize (object);
 765 }
 766
 767 static void
 768 check_almost_ready (EmpathyTpChat *chat)
 769 {
 770         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 771
 772         if (priv->ready)
 773                 return;
 774
 775         if (priv->user == NULL)
 776                 return;
 777
 778         if (!priv->got_password_flags)
 779                 return;
 780
 781         /* We need either the members (room) or the remote contact (private chat).
 782          * If the chat is protected by a password we can't get these information so
 783          * consider the chat as ready so it can be presented to the user. */
 784         if (!empathy_tp_chat_password_needed (chat) && priv->members == NULL &&
 785             priv->remote_contact == NULL)
 786                 return;
 787
 788         /* We use the default factory so this feature should have been prepared */
 789         g_assert (tp_proxy_is_prepared (priv->channel,
 790                 TP_TEXT_CHANNEL_FEATURE_INCOMING_MESSAGES));
 791
 792         tp_g_signal_connect_object (priv->channel, "message-received",
 793                 G_CALLBACK (message_received_cb), chat, 0);
 794
 795         list_pending_messages (chat);
 796
 797         tp_g_signal_connect_object (priv->channel, "message-sent",
 798                 G_CALLBACK (message_sent_cb), chat, 0);
 799
 800         tp_cli_channel_type_text_connect_to_send_error (priv->channel,
 801                                                         tp_chat_send_error_cb,
 802                                                         NULL, NULL,
 803                                                         G_OBJECT (chat), NULL);
 804         tp_cli_channel_interface_chat_state_connect_to_chat_state_changed (priv->channel,
 805                                                                            tp_chat_state_changed_cb,
 806                                                                            NULL, NULL,
 807                                                                            G_OBJECT (chat), NULL);
 808
 809         check_ready (chat);
 810 }
 811
 812 static void
 813 tp_chat_update_remote_contact (EmpathyTpChat *chat)
 814 {
 815         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 816         EmpathyContact *contact = NULL;
 817         TpHandle self_handle;
 818         TpHandleType handle_type;
 819         GList *l;
 820
 821         /* If this is a named chatroom, never pretend it is a private chat */
 822         tp_channel_get_handle (priv->channel, &handle_type);
 823         if (handle_type == TP_HANDLE_TYPE_ROOM) {
 824                 return;
 825         }
 826
 827         /* This is an MSN chat, but it's the new style where 1-1 chats don't
 828          * have the group interface. If it has the conference interface, then
 829          * it is indeed a MUC. */
 830         if (tp_proxy_has_interface_by_id (priv->channel,
 831                                           TP_IFACE_QUARK_CHANNEL_INTERFACE_CONFERENCE)) {
 832                 return;
 833         }
 834
 835         /* This is an MSN-like chat where anyone can join the chat at anytime.
 836          * If there is only one non-self contact member, we are in a private
 837          * chat and we set the "remote-contact" property to that contact. If
 838          * there are more, set the "remote-contact" property to NULL and the
 839          * UI will display a contact list. */
 840         self_handle = tp_channel_group_get_self_handle (priv->channel);
 841         for (l = priv->members; l; l = l->next) {
 842                 /* Skip self contact if member */
 843                 if (empathy_contact_get_handle (l->data) == self_handle) {
 844                         continue;
 845                 }
 846
 847                 /* We have more than one remote contact, break */
 848                 if (contact != NULL) {
 849                         contact = NULL;
 850                         break;
 851                 }
 852
 853                 /* If we didn't find yet a remote contact, keep this one */
 854                 contact = l->data;
 855         }
 856
 857         if (priv->remote_contact == contact) {
 858                 return;
 859         }
 860
 861         DEBUG ("Changing remote contact from %p to %p",
 862                 priv->remote_contact, contact);
 863
 864         if (priv->remote_contact) {
 865                 g_object_unref (priv->remote_contact);
 866         }
 867
 868         priv->remote_contact = contact ? g_object_ref (contact) : NULL;
 869         g_object_notify (G_OBJECT (chat), "remote-contact");
 870 }
 871
 872 static void
 873 tp_chat_got_added_contacts_cb (TpConnection            *connection,
 874                                guint                    n_contacts,
 875                                EmpathyContact * const * contacts,
 876                                guint                    n_failed,
 877                                const TpHandle          *failed,
 878                                const GError            *error,
 879                                gpointer                 user_data,
 880                                GObject                 *chat)
 881 {
 882         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 883         guint i;
 884         const TpIntSet *members;
 885         TpHandle handle;
 886         EmpathyContact *contact;
 887
 888         if (error) {
 889                 DEBUG ("Error: %s", error->message);
 890                 return;
 891         }
 892
 893         members = tp_channel_group_get_members (priv->channel);
 894         for (i = 0; i < n_contacts; i++) {
 895                 contact = contacts[i];
 896                 handle = empathy_contact_get_handle (contact);
 897
 898                 /* Make sure the contact is still member */
 899                 if (tp_intset_is_member (members, handle)) {
 900                         priv->members = g_list_prepend (priv->members,
 901                                 g_object_ref (contact));
 902                         g_signal_emit_by_name (chat, "members-changed",
 903                                                contact, NULL, 0, NULL, TRUE);
 904                 }
 905         }
 906
 907         tp_chat_update_remote_contact (EMPATHY_TP_CHAT (chat));
 908         check_almost_ready (EMPATHY_TP_CHAT (chat));
 909 }
 910
 911 static EmpathyContact *
 912 chat_lookup_contact (EmpathyTpChat *chat,
 913                      TpHandle       handle,
 914                      gboolean       remove_)
 915 {
 916         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 917         GList *l;
 918
 919         for (l = priv->members; l; l = l->next) {
 920                 EmpathyContact *c = l->data;
 921
 922                 if (empathy_contact_get_handle (c) != handle) {
 923                         continue;
 924                 }
 925
 926                 if (remove_) {
 927                         /* Caller takes the reference. */
 928                         priv->members = g_list_delete_link (priv->members, l);
 929                 } else {
 930                         g_object_ref (c);
 931                 }
 932
 933                 return c;
 934         }
 935
 936         return NULL;
 937 }
 938
 939 typedef struct
 940 {
 941     TpHandle old_handle;
 942     guint reason;
 943     gchar *message;
 944 } ContactRenameData;
 945
 946 static ContactRenameData *
 947 contact_rename_data_new (TpHandle handle,
 948                          guint reason,
 949                          const gchar* message)
 950 {
 951         ContactRenameData *data = g_new (ContactRenameData, 1);
 952         data->old_handle = handle;
 953         data->reason = reason;
 954         data->message = g_strdup (message);
 955
 956         return data;
 957 }
 958
 959 static void
 960 contact_rename_data_free (ContactRenameData* data)
 961 {
 962         g_free (data->message);
 963         g_free (data);
 964 }
 965
 966 static void
 967 tp_chat_got_renamed_contacts_cb (TpConnection            *connection,
 968                                  guint                    n_contacts,
 969                                  EmpathyContact * const * contacts,
 970                                  guint                    n_failed,
 971                                  const TpHandle          *failed,
 972                                  const GError            *error,
 973                                  gpointer                 user_data,
 974                                  GObject                 *chat)
 975 {
 976         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 977         const TpIntSet *members;
 978         TpHandle handle;
 979         EmpathyContact *old = NULL, *new = NULL;
 980         ContactRenameData *rename_data = (ContactRenameData *) user_data;
 981
 982         if (error) {
 983                 DEBUG ("Error: %s", error->message);
 984                 return;
 985         }
 986
 987         /* renamed members can only be delivered one at a time */
 988         g_warn_if_fail (n_contacts == 1);
 989
 990         new = contacts[0];
 991
 992         members = tp_channel_group_get_members (priv->channel);
 993         handle = empathy_contact_get_handle (new);
 994
 995         old = chat_lookup_contact (EMPATHY_TP_CHAT (chat),
 996                                    rename_data->old_handle, TRUE);
 997
 998         /* Make sure the contact is still member */
 999         if (tp_intset_is_member (members, handle)) {
1000                 priv->members = g_list_prepend (priv->members,
1001                         g_object_ref (new));
1002
1003                 if (old != NULL) {
1004                         g_signal_emit_by_name (chat, "member-renamed",
1005                                                old, new, rename_data->reason,
1006                                                rename_data->message);
1007                         g_object_unref (old);
1008                 }
1009         }
1010
1011         if (priv->user == old) {
1012                 /* We change our nick */
1013                 tp_clear_object (&priv->user);
1014                 priv->user = g_object_ref (new);
1015         }
1016
1017         tp_chat_update_remote_contact (EMPATHY_TP_CHAT (chat));
1018         check_almost_ready (EMPATHY_TP_CHAT (chat));
1019 }
1020
1021
1022 static void
1023 tp_chat_group_members_changed_cb (TpChannel     *self,
1024                                   gchar         *message,
1025                                   GArray        *added,
1026                                   GArray        *removed,
1027                                   GArray        *local_pending,
1028                                   GArray        *remote_pending,
1029                                   guint          actor,
1030                                   guint          reason,
1031                                   EmpathyTpChat *chat)
1032 {
1033         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1034         EmpathyContact *contact;
1035         EmpathyContact *actor_contact = NULL;
1036         guint i;
1037         ContactRenameData *rename_data;
1038         TpHandle old_handle;
1039
1040         /* Contact renamed */
1041         if (reason == TP_CHANNEL_GROUP_CHANGE_REASON_RENAMED) {
1042                 /* there can only be a single 'added' and a single 'removed' handle */
1043                 if (removed->len != 1 || added->len != 1) {
1044                         g_warning ("RENAMED with %u added, %u removed (expected 1, 1)",
1045                                 added->len, removed->len);
1046                         return;
1047                 }
1048
1049                 old_handle = g_array_index (removed, guint, 0);
1050
1051                 rename_data = contact_rename_data_new (old_handle, reason, message);
1052                 empathy_tp_contact_factory_get_from_handles (priv->connection,
1053                         added->len, (TpHandle *) added->data,
1054                         tp_chat_got_renamed_contacts_cb,
1055                         rename_data, (GDestroyNotify) contact_rename_data_free,
1056                         G_OBJECT (chat));
1057                 return;
1058         }
1059
1060         if (actor != 0) {
1061                 actor_contact = chat_lookup_contact (chat, actor, FALSE);
1062                 if (actor_contact == NULL) {
1063                         /* FIXME: handle this a tad more gracefully: perhaps
1064                          * the actor was a server op. We could use the
1065                          * contact-ids detail of MembersChangedDetailed.
1066                          */
1067                         DEBUG ("actor %u not a channel member", actor);
1068                 }
1069         }
1070
1071         /* Remove contacts that are not members anymore */
1072         for (i = 0; i < removed->len; i++) {
1073                 contact = chat_lookup_contact (chat,
1074                         g_array_index (removed, TpHandle, i), TRUE);
1075
1076                 if (contact != NULL) {
1077                         g_signal_emit_by_name (chat, "members-changed", contact,
1078                                                actor_contact, reason, message,
1079                                                FALSE);
1080                         g_object_unref (contact);
1081                 }
1082         }
1083
1084         /* Request added contacts */
1085         if (added->len > 0) {
1086                 empathy_tp_contact_factory_get_from_handles (priv->connection,
1087                         added->len, (TpHandle *) added->data,
1088                         tp_chat_got_added_contacts_cb, NULL, NULL,
1089                         G_OBJECT (chat));
1090         }
1091
1092         tp_chat_update_remote_contact (chat);
1093
1094         if (actor_contact != NULL) {
1095                 g_object_unref (actor_contact);
1096         }
1097 }
1098
1099 static void
1100 tp_chat_got_remote_contact_cb (TpConnection            *connection,
1101                                EmpathyContact          *contact,
1102                                const GError            *error,
1103                                gpointer                 user_data,
1104                                GObject                 *chat)
1105 {
1106         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1107
1108         if (error) {
1109                 DEBUG ("Error: %s", error->message);
1110                 empathy_tp_chat_leave (EMPATHY_TP_CHAT (chat), "");
1111                 return;
1112         }
1113
1114         priv->remote_contact = g_object_ref (contact);
1115         g_object_notify (chat, "remote-contact");
1116
1117         check_almost_ready (EMPATHY_TP_CHAT (chat));
1118 }
1119
1120 static void
1121 tp_chat_got_self_contact_cb (TpConnection            *connection,
1122                              EmpathyContact          *contact,
1123                              const GError            *error,
1124                              gpointer                 user_data,
1125                              GObject                 *chat)
1126 {
1127         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1128
1129         if (error) {
1130                 DEBUG ("Error: %s", error->message);
1131                 empathy_tp_chat_leave (EMPATHY_TP_CHAT (chat), "");
1132                 return;
1133         }
1134
1135         priv->user = g_object_ref (contact);
1136         empathy_contact_set_is_user (priv->user, TRUE);
1137         check_almost_ready (EMPATHY_TP_CHAT (chat));
1138 }
1139
1140 static void
1141 password_flags_changed_cb (TpChannel *channel,
1142     guint added,
1143     guint removed,
1144     gpointer user_data,
1145     GObject *weak_object)
1146 {
1147         EmpathyTpChat *self = EMPATHY_TP_CHAT (weak_object);
1148         EmpathyTpChatPriv *priv = GET_PRIV (self);
1149         gboolean was_needed, needed;
1150
1151         was_needed = empathy_tp_chat_password_needed (self);
1152
1153         priv->password_flags |= added;
1154         priv->password_flags ^= removed;
1155
1156         needed = empathy_tp_chat_password_needed (self);
1157
1158         if (was_needed != needed)
1159                 g_object_notify (G_OBJECT (self), "password-needed");
1160 }
1161
1162 static void
1163 got_password_flags_cb (TpChannel *proxy,
1164                              guint password_flags,
1165                              const GError *error,
1166                              gpointer user_data,
1167                              GObject *weak_object)
1168 {
1169         EmpathyTpChat *self = EMPATHY_TP_CHAT (weak_object);
1170         EmpathyTpChatPriv *priv = GET_PRIV (self);
1171
1172         priv->got_password_flags = TRUE;
1173         priv->password_flags = password_flags;
1174
1175         check_almost_ready (EMPATHY_TP_CHAT (self));
1176 }
1177
1178 static GObject *
1179 tp_chat_constructor (GType                  type,
1180                      guint                  n_props,
1181                      GObjectConstructParam *props)
1182 {
1183         GObject           *chat;
1184         EmpathyTpChatPriv *priv;
1185         TpHandle           handle;
1186
1187         chat = G_OBJECT_CLASS (empathy_tp_chat_parent_class)->constructor (type, n_props, props);
1188
1189         priv = GET_PRIV (chat);
1190
1191         priv->connection = g_object_ref (tp_account_get_connection (priv->account));
1192         tp_g_signal_connect_object (priv->channel, "invalidated",
1193                           G_CALLBACK (tp_chat_invalidated_cb),
1194                           chat, 0);
1195
1196         g_assert (tp_proxy_is_prepared (priv->connection,
1197                 TP_CONNECTION_FEATURE_CAPABILITIES));
1198
1199         if (tp_proxy_has_interface_by_id (priv->channel,
1200                                           TP_IFACE_QUARK_CHANNEL_INTERFACE_GROUP)) {
1201                 const TpIntSet *members;
1202                 GArray *handles;
1203
1204                 /* Get self contact from the group's self handle */
1205                 handle = tp_channel_group_get_self_handle (priv->channel);
1206                 empathy_tp_contact_factory_get_from_handle (priv->connection,
1207                         handle, tp_chat_got_self_contact_cb,
1208                         NULL, NULL, chat);
1209
1210                 /* Get initial member contacts */
1211                 members = tp_channel_group_get_members (priv->channel);
1212                 handles = tp_intset_to_array (members);
1213                 empathy_tp_contact_factory_get_from_handles (priv->connection,
1214                         handles->len, (TpHandle *) handles->data,
1215                         tp_chat_got_added_contacts_cb, NULL, NULL, chat);
1216
1217                 priv->can_upgrade_to_muc = FALSE;
1218
1219                 tp_g_signal_connect_object (priv->channel, "group-members-changed",
1220                         G_CALLBACK (tp_chat_group_members_changed_cb), chat, 0);
1221         } else {
1222                 TpCapabilities *caps;
1223                 GPtrArray *classes;
1224                 guint i;
1225
1226                 /* Get the self contact from the connection's self handle */
1227                 handle = tp_connection_get_self_handle (priv->connection);
1228                 empathy_tp_contact_factory_get_from_handle (priv->connection,
1229                         handle, tp_chat_got_self_contact_cb,
1230                         NULL, NULL, chat);
1231
1232                 /* Get the remote contact */
1233                 handle = tp_channel_get_handle (priv->channel, NULL);
1234                 empathy_tp_contact_factory_get_from_handle (priv->connection,
1235                         handle, tp_chat_got_remote_contact_cb,
1236                         NULL, NULL, chat);
1237
1238                 caps = tp_connection_get_capabilities (priv->connection);
1239                 g_assert (caps != NULL);
1240
1241                 classes = tp_capabilities_get_channel_classes (caps);
1242
1243                 for (i = 0; i < classes->len; i++) {
1244                         GValueArray *array = g_ptr_array_index (classes, i);
1245                         const char **oprops = g_value_get_boxed (
1246                                 g_value_array_get_nth (array, 1));
1247
1248                         if (tp_strv_contains (oprops, TP_PROP_CHANNEL_INTERFACE_CONFERENCE_INITIAL_CHANNELS)) {
1249                                 priv->can_upgrade_to_muc = TRUE;
1250                                 break;
1251                         }
1252                 }
1253         }
1254
1255         if (tp_proxy_has_interface_by_id (priv->channel,
1256                                           TP_IFACE_QUARK_PROPERTIES_INTERFACE)) {
1257                 tp_cli_properties_interface_call_list_properties (priv->channel, -1,
1258                                                                   tp_chat_list_properties_cb,
1259                                                                   NULL, NULL,
1260                                                                   G_OBJECT (chat));
1261                 tp_cli_properties_interface_connect_to_properties_changed (priv->channel,
1262                                                                            tp_chat_properties_changed_cb,
1263                                                                            NULL, NULL,
1264                                                                            G_OBJECT (chat), NULL);
1265                 tp_cli_properties_interface_connect_to_property_flags_changed (priv->channel,
1266                                                                                tp_chat_property_flags_changed_cb,
1267                                                                                NULL, NULL,
1268                                                                                G_OBJECT (chat), NULL);
1269         }
1270
1271         /* Check if the chat is password protected */
1272         if (tp_proxy_has_interface_by_id (priv->channel,
1273                                           TP_IFACE_QUARK_CHANNEL_INTERFACE_PASSWORD)) {
1274                 priv->got_password_flags = FALSE;
1275
1276                 tp_cli_channel_interface_password_connect_to_password_flags_changed
1277                         (priv->channel, password_flags_changed_cb, chat, NULL,
1278                          G_OBJECT (chat), NULL);
1279
1280                 tp_cli_channel_interface_password_call_get_password_flags
1281                         (priv->channel, -1, got_password_flags_cb, chat, NULL, chat);
1282         } else {
1283                 /* No Password interface, so no need to fetch the password flags */
1284                 priv->got_password_flags = TRUE;
1285         }
1286
1287         return chat;
1288 }
1289
1290 static void
1291 tp_chat_get_property (GObject    *object,
1292                       guint       param_id,
1293                       GValue     *value,
1294                       GParamSpec *pspec)
1295 {
1296         EmpathyTpChat *self = EMPATHY_TP_CHAT (object);
1297         EmpathyTpChatPriv *priv = GET_PRIV (object);
1298
1299         switch (param_id) {
1300         case PROP_ACCOUNT:
1301                 g_value_set_object (value, priv->account);
1302                 break;
1303         case PROP_CHANNEL:
1304                 g_value_set_object (value, priv->channel);
1305                 break;
1306         case PROP_REMOTE_CONTACT:
1307                 g_value_set_object (value, priv->remote_contact);
1308                 break;
1309         case PROP_READY:
1310                 g_value_set_boolean (value, priv->ready);
1311                 break;
1312         case PROP_PASSWORD_NEEDED:
1313                 g_value_set_boolean (value, empathy_tp_chat_password_needed (self));
1314                 break;
1315         default:
1316                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
1317                 break;
1318         };
1319 }
1320
1321 static void
1322 tp_chat_set_property (GObject      *object,
1323                       guint         param_id,
1324                       const GValue *value,
1325                       GParamSpec   *pspec)
1326 {
1327         EmpathyTpChatPriv *priv = GET_PRIV (object);
1328
1329         switch (param_id) {
1330         case PROP_ACCOUNT:
1331                 priv->account = g_value_dup_object (value);
1332                 break;
1333         case PROP_CHANNEL:
1334                 priv->channel = g_value_dup_object (value);
1335                 break;
1336         default:
1337                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
1338                 break;
1339         };
1340 }
1341
1342 static void
1343 empathy_tp_chat_class_init (EmpathyTpChatClass *klass)
1344 {
1345         GObjectClass *object_class = G_OBJECT_CLASS (klass);
1346
1347         object_class->dispose = tp_chat_dispose;
1348         object_class->finalize = tp_chat_finalize;
1349         object_class->constructor = tp_chat_constructor;
1350         object_class->get_property = tp_chat_get_property;
1351         object_class->set_property = tp_chat_set_property;
1352
1353         g_object_class_install_property (object_class,
1354                                          PROP_ACCOUNT,
1355                                          g_param_spec_object ("account",
1356                                                               "TpAccount",
1357                                                               "the account associated with the chat",
1358                                                               TP_TYPE_ACCOUNT,
1359                                                               G_PARAM_READWRITE |
1360                                                               G_PARAM_CONSTRUCT_ONLY |
1361                                                               G_PARAM_STATIC_STRINGS));
1362
1363         g_object_class_install_property (object_class,
1364                                          PROP_CHANNEL,
1365                                          g_param_spec_object ("channel",
1366                                                               "telepathy channel",
1367                                                               "The text channel for the chat",
1368                                                               TP_TYPE_CHANNEL,
1369                                                               G_PARAM_READWRITE |
1370                                                               G_PARAM_CONSTRUCT_ONLY));
1371
1372         g_object_class_install_property (object_class,
1373                                          PROP_REMOTE_CONTACT,
1374                                          g_param_spec_object ("remote-contact",
1375                                                               "The remote contact",
1376                                                               "The remote contact if there is no group iface on the channel",
1377                                                               EMPATHY_TYPE_CONTACT,
1378                                                               G_PARAM_READABLE));
1379
1380         g_object_class_install_property (object_class,
1381                                          PROP_READY,
1382                                          g_param_spec_boolean ("ready",
1383                                                                "Is the object ready",
1384                                                                "This object can't be used until this becomes true",
1385                                                                FALSE,
1386                                                                G_PARAM_READABLE));
1387
1388         g_object_class_install_property (object_class,
1389                                          PROP_PASSWORD_NEEDED,
1390                                          g_param_spec_boolean ("password-needed",
1391                                                                "password needed",
1392                                                                "TRUE if a password is needed to join the channel",
1393                                                                FALSE,
1394                                                                G_PARAM_READABLE));
1395
1396         /* Signals */
1397         signals[MESSAGE_RECEIVED] =
1398                 g_signal_new ("message-received",
1399                               G_TYPE_FROM_CLASS (klass),
1400                               G_SIGNAL_RUN_LAST,
1401                               0,
1402                               NULL, NULL,
1403                               g_cclosure_marshal_VOID__OBJECT,
1404                               G_TYPE_NONE,
1405                               1, EMPATHY_TYPE_MESSAGE);
1406
1407         signals[SEND_ERROR] =
1408                 g_signal_new ("send-error",
1409                               G_TYPE_FROM_CLASS (klass),
1410                               G_SIGNAL_RUN_LAST,
1411                               0,
1412                               NULL, NULL,
1413                               _empathy_marshal_VOID__STRING_UINT,
1414                               G_TYPE_NONE,
1415                               2, G_TYPE_STRING, G_TYPE_UINT);
1416
1417         signals[CHAT_STATE_CHANGED] =
1418                 g_signal_new ("chat-state-changed",
1419                               G_TYPE_FROM_CLASS (klass),
1420                               G_SIGNAL_RUN_LAST,
1421                               0,
1422                               NULL, NULL,
1423                               _empathy_marshal_VOID__OBJECT_UINT,
1424                               G_TYPE_NONE,
1425                               2, EMPATHY_TYPE_CONTACT, G_TYPE_UINT);
1426
1427         signals[PROPERTY_CHANGED] =
1428                 g_signal_new ("property-changed",
1429                               G_TYPE_FROM_CLASS (klass),
1430                               G_SIGNAL_RUN_LAST,
1431                               0,
1432                               NULL, NULL,
1433                               _empathy_marshal_VOID__STRING_BOXED,
1434                               G_TYPE_NONE,
1435                               2, G_TYPE_STRING, G_TYPE_VALUE);
1436
1437         signals[DESTROY] =
1438                 g_signal_new ("destroy",
1439                               G_TYPE_FROM_CLASS (klass),
1440                               G_SIGNAL_RUN_LAST,
1441                               0,
1442                               NULL, NULL,
1443                               g_cclosure_marshal_VOID__VOID,
1444                               G_TYPE_NONE,
1445                               0);
1446
1447         g_type_class_add_private (object_class, sizeof (EmpathyTpChatPriv));
1448 }
1449
1450 static void
1451 empathy_tp_chat_init (EmpathyTpChat *chat)
1452 {
1453         EmpathyTpChatPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (chat,
1454                 EMPATHY_TYPE_TP_CHAT, EmpathyTpChatPriv);
1455
1456         chat->priv = priv;
1457         priv->messages_queue = g_queue_new ();
1458         priv->pending_messages_queue = g_queue_new ();
1459 }
1460
1461 static void
1462 tp_chat_iface_init (EmpathyContactListIface *iface)
1463 {
1464         iface->add         = tp_chat_add;
1465         iface->remove      = tp_chat_remove;
1466         iface->get_members = tp_chat_get_members;
1467 }
1468
1469 EmpathyTpChat *
1470 empathy_tp_chat_new (TpAccount *account,
1471                      TpChannel *channel)
1472 {
1473         g_return_val_if_fail (TP_IS_ACCOUNT (account), NULL);
1474         g_return_val_if_fail (TP_IS_TEXT_CHANNEL (channel), NULL);
1475
1476         return g_object_new (EMPATHY_TYPE_TP_CHAT,
1477                              "account", account,
1478                              "channel", channel,
1479                              NULL);
1480 }
1481
1482 const gchar *
1483 empathy_tp_chat_get_id (EmpathyTpChat *chat)
1484 {
1485         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1486         const gchar *id;
1487
1488
1489         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (chat), NULL);
1490
1491         id = tp_channel_get_identifier (priv->channel);
1492         if (!EMP_STR_EMPTY (id))
1493                 return id;
1494         else if (priv->remote_contact)
1495                 return empathy_contact_get_id (priv->remote_contact);
1496         else
1497                 return NULL;
1498
1499 }
1500
1501 EmpathyContact *
1502 empathy_tp_chat_get_remote_contact (EmpathyTpChat *chat)
1503 {
1504         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1505
1506         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (chat), NULL);
1507         g_return_val_if_fail (priv->ready, NULL);
1508
1509         return priv->remote_contact;
1510 }
1511
1512 TpChannel *
1513 empathy_tp_chat_get_channel (EmpathyTpChat *chat)
1514 {
1515         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1516
1517         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (chat), NULL);
1518
1519         return priv->channel;
1520 }
1521
1522 TpAccount *
1523 empathy_tp_chat_get_account (EmpathyTpChat *chat)
1524 {
1525         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1526
1527         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (chat), NULL);
1528
1529         return priv->account;
1530 }
1531
1532 TpConnection *
1533 empathy_tp_chat_get_connection (EmpathyTpChat *chat)
1534 {
1535         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1536
1537         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (chat), NULL);
1538
1539         return tp_channel_borrow_connection (priv->channel);
1540 }
1541 gboolean
1542 empathy_tp_chat_is_ready (EmpathyTpChat *chat)
1543 {
1544         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1545
1546         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (chat), FALSE);
1547
1548         return priv->ready;
1549 }
1550
1551 void
1552 empathy_tp_chat_send (EmpathyTpChat *chat,
1553                       EmpathyMessage *message)
1554 {
1555         EmpathyTpChatPriv        *priv = GET_PRIV (chat);
1556         const gchar              *message_body;
1557         TpChannelTextMessageType  message_type;
1558
1559         g_return_if_fail (EMPATHY_IS_TP_CHAT (chat));
1560         g_return_if_fail (EMPATHY_IS_MESSAGE (message));
1561         g_return_if_fail (priv->ready);
1562
1563         message_body = empathy_message_get_body (message);
1564         message_type = empathy_message_get_tptype (message);
1565
1566         DEBUG ("Sending message: %s", message_body);
1567         tp_cli_channel_type_text_call_send (priv->channel, -1,
1568                                             message_type,
1569                                             message_body,
1570                                             tp_chat_send_cb,
1571                                             g_object_ref (message),
1572                                             (GDestroyNotify) g_object_unref,
1573                                             G_OBJECT (chat));
1574 }
1575
1576 void
1577 empathy_tp_chat_set_state (EmpathyTpChat      *chat,
1578                            TpChannelChatState  state)
1579 {
1580         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1581
1582         g_return_if_fail (EMPATHY_IS_TP_CHAT (chat));
1583         g_return_if_fail (priv->ready);
1584
1585         if (tp_proxy_has_interface_by_id (priv->channel,
1586                                           TP_IFACE_QUARK_CHANNEL_INTERFACE_CHAT_STATE)) {
1587                 DEBUG ("Set state: %d", state);
1588                 tp_cli_channel_interface_chat_state_call_set_chat_state (priv->channel, -1,
1589                                                                          state,
1590                                                                          tp_chat_async_cb,
1591                                                                          "setting chat state",
1592                                                                          NULL,
1593                                                                          G_OBJECT (chat));
1594         }
1595 }
1596
1597
1598 const GList *
1599 empathy_tp_chat_get_pending_messages (EmpathyTpChat *chat)
1600 {
1601         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1602
1603         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (chat), NULL);
1604         g_return_val_if_fail (priv->ready, NULL);
1605
1606         return priv->pending_messages_queue->head;
1607 }
1608
1609 static void
1610 acknowledge_messages (EmpathyTpChat *chat, GArray *ids) {
1611         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1612
1613         tp_cli_channel_type_text_call_acknowledge_pending_messages (
1614                 priv->channel, -1, ids, tp_chat_async_cb,
1615                 "acknowledging received message", NULL, G_OBJECT (chat));
1616 }
1617
1618 void
1619 empathy_tp_chat_acknowledge_message (EmpathyTpChat *chat,
1620                                      EmpathyMessage *message) {
1621         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1622         GArray *message_ids;
1623         GList *m;
1624         guint id;
1625
1626         g_return_if_fail (EMPATHY_IS_TP_CHAT (chat));
1627         g_return_if_fail (priv->ready);
1628
1629         if (!empathy_message_is_incoming (message))
1630                 goto out;
1631
1632         message_ids = g_array_sized_new (FALSE, FALSE, sizeof (guint), 1);
1633
1634         id = empathy_message_get_id (message);
1635         g_array_append_val (message_ids, id);
1636         acknowledge_messages (chat, message_ids);
1637         g_array_free (message_ids, TRUE);
1638
1639 out:
1640         m = g_queue_find (priv->pending_messages_queue, message);
1641         g_assert (m != NULL);
1642         g_queue_delete_link (priv->pending_messages_queue, m);
1643         g_object_unref (message);
1644 }
1645
1646 void
1647 empathy_tp_chat_acknowledge_messages (EmpathyTpChat *chat,
1648                                       const GSList *messages) {
1649         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1650         /* Copy messages as the messges list (probably is) our own */
1651         GSList *msgs = g_slist_copy ((GSList *) messages);
1652         GSList *l;
1653         guint length;
1654         GArray *message_ids;
1655
1656         g_return_if_fail (EMPATHY_IS_TP_CHAT (chat));
1657         g_return_if_fail (priv->ready);
1658
1659         length = g_slist_length ((GSList *) messages);
1660
1661         if (length == 0)
1662                 return;
1663
1664         message_ids = g_array_sized_new (FALSE, FALSE, sizeof (guint), length);
1665
1666         for (l = msgs; l != NULL; l = g_slist_next (l)) {
1667                 GList *m;
1668
1669                 EmpathyMessage *message = EMPATHY_MESSAGE (l->data);
1670
1671                 m = g_queue_find (priv->pending_messages_queue, message);
1672                 g_assert (m != NULL);
1673                 g_queue_delete_link (priv->pending_messages_queue, m);
1674
1675                 if (empathy_message_is_incoming (message)) {
1676                         guint id = empathy_message_get_id (message);
1677                         g_array_append_val (message_ids, id);
1678                 }
1679                 g_object_unref (message);
1680         }
1681
1682         if (message_ids->len > 0)
1683                 acknowledge_messages (chat, message_ids);
1684
1685         g_array_free (message_ids, TRUE);
1686         g_slist_free (msgs);
1687 }
1688
1689 void
1690 empathy_tp_chat_acknowledge_all_messages (EmpathyTpChat *chat)
1691 {
1692   empathy_tp_chat_acknowledge_messages (chat,
1693     (GSList *) empathy_tp_chat_get_pending_messages (chat));
1694 }
1695
1696 gboolean
1697 empathy_tp_chat_password_needed (EmpathyTpChat *self)
1698 {
1699         EmpathyTpChatPriv *priv = GET_PRIV (self);
1700
1701         return priv->password_flags & TP_CHANNEL_PASSWORD_FLAG_PROVIDE;
1702 }
1703
1704 static void
1705 provide_password_cb (TpChannel *channel,
1706                                       gboolean correct,
1707                                       const GError *error,
1708                                       gpointer user_data,
1709                                       GObject *weak_object)
1710 {
1711         GSimpleAsyncResult *result = user_data;
1712
1713         if (error != NULL) {
1714                 g_simple_async_result_set_from_error (result, error);
1715         }
1716         else if (!correct) {
1717                 /* The current D-Bus API is a bit weird so re-use the
1718                  * AuthenticationFailed error */
1719                 g_simple_async_result_set_error (result, TP_ERRORS,
1720                                                  TP_ERROR_AUTHENTICATION_FAILED, "Wrong password");
1721         }
1722
1723         g_simple_async_result_complete (result);
1724         g_object_unref (result);
1725 }
1726
1727 void
1728 empathy_tp_chat_provide_password_async (EmpathyTpChat *self,
1729                                                      const gchar *password,
1730                                                      GAsyncReadyCallback callback,
1731                                                      gpointer user_data)
1732 {
1733         EmpathyTpChatPriv *priv = GET_PRIV (self);
1734         GSimpleAsyncResult *result;
1735
1736         result = g_simple_async_result_new (G_OBJECT (self),
1737                                             callback, user_data,
1738                                             empathy_tp_chat_provide_password_finish);
1739
1740         tp_cli_channel_interface_password_call_provide_password
1741                 (priv->channel, -1, password, provide_password_cb, result,
1742                  NULL, G_OBJECT (self));
1743 }
1744
1745 gboolean
1746 empathy_tp_chat_provide_password_finish (EmpathyTpChat *self,
1747                                                       GAsyncResult *result,
1748                                                       GError **error)
1749 {
1750         if (g_simple_async_result_propagate_error (G_SIMPLE_ASYNC_RESULT (result),
1751                 error))
1752                 return FALSE;
1753
1754         g_return_val_if_fail (g_simple_async_result_is_valid (result,
1755                                                               G_OBJECT (self), empathy_tp_chat_provide_password_finish), FALSE);
1756
1757         return TRUE;
1758 }
1759
1760 /**
1761  * empathy_tp_chat_can_add_contact:
1762  *
1763  * Returns: %TRUE if empathy_contact_list_add() will work for this channel.
1764  * That is if this chat is a 1-to-1 channel that can be upgraded to
1765  * a MUC using the Conference interface or if the channel is a MUC.
1766  */
1767 gboolean
1768 empathy_tp_chat_can_add_contact (EmpathyTpChat *self)
1769 {
1770         EmpathyTpChatPriv *priv;
1771
1772         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (self), FALSE);
1773
1774         priv = GET_PRIV (self);
1775
1776         return priv->can_upgrade_to_muc ||
1777                 tp_proxy_has_interface_by_id (priv->channel,
1778                         TP_IFACE_QUARK_CHANNEL_INTERFACE_GROUP);;
1779 }
1780
1781 static void
1782 tp_channel_leave_async_cb (GObject *source_object,
1783         GAsyncResult *res,
1784         gpointer user_data)
1785 {
1786         GError *error = NULL;
1787
1788         if (!tp_channel_leave_finish (TP_CHANNEL (source_object), res, &error)) {
1789                 DEBUG ("Could not leave channel properly: (%s); closing the channel",
1790                         error->message);
1791                 g_error_free (error);
1792         }
1793 }
1794
1795 void
1796 empathy_tp_chat_leave (EmpathyTpChat *self,
1797                 const gchar *message)
1798 {
1799         EmpathyTpChatPriv *priv = GET_PRIV (self);
1800
1801         tp_channel_leave_async (priv->channel, TP_CHANNEL_GROUP_CHANGE_REASON_NONE,
1802                 message, tp_channel_leave_async_cb, self);
1803 }
1804
1805 static void
1806 add_members_cb (TpChannel *proxy,
1807                 const GError *error,
1808                 gpointer user_data,
1809                 GObject *weak_object)
1810 {
1811         EmpathyTpChatPriv *priv = GET_PRIV (weak_object);
1812
1813         if (error != NULL) {
1814                 DEBUG ("Failed to join chat (%s): %s",
1815                         tp_channel_get_identifier (priv->channel), error->message);
1816         }
1817 }
1818
1819 void
1820 empathy_tp_chat_join (EmpathyTpChat *self)
1821 {
1822         EmpathyTpChatPriv *priv = GET_PRIV (self);
1823         TpHandle self_handle;
1824         GArray *members;
1825
1826         self_handle = tp_channel_group_get_self_handle (priv->channel);
1827
1828         members = g_array_sized_new (FALSE, FALSE, sizeof (TpHandle), 1);
1829         g_array_append_val (members, self_handle);
1830
1831         tp_cli_channel_interface_group_call_add_members (priv->channel, -1, members,
1832                 "", add_members_cb, NULL, NULL, G_OBJECT (self));
1833
1834         g_array_free (members, TRUE);
1835 }
1836
1837 gboolean
1838 empathy_tp_chat_is_invited (EmpathyTpChat *self,
1839                             TpHandle *inviter)
1840 {
1841         EmpathyTpChatPriv *priv = GET_PRIV (self);
1842         TpHandle self_handle;
1843
1844         if (!tp_proxy_has_interface (priv->channel, TP_IFACE_CHANNEL_INTERFACE_GROUP))
1845                 return FALSE;
1846
1847         self_handle = tp_channel_group_get_self_handle (priv->channel);
1848         if (self_handle == 0)
1849                 return FALSE;
1850
1851         return tp_channel_group_get_local_pending_info (priv->channel, self_handle,
1852                 inviter, NULL, NULL);
1853 }
1854
1855 TpChannelChatState
1856 empathy_tp_chat_get_chat_state (EmpathyTpChat *chat,
1857                             EmpathyContact *contact)
1858 {
1859         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1860         return tp_channel_get_chat_state (priv->channel,
1861                 empathy_contact_get_handle (contact));
1862 }
1863
1864 EmpathyContact *
1865 empathy_tp_chat_get_self_contact (EmpathyTpChat *self)
1866 {
1867         EmpathyTpChatPriv *priv = GET_PRIV (self);
1868
1869         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (self), NULL);
1870
1871         return priv->user;
1872 }