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         gboolean               listing_pending_messages;
  51         /* Queue of messages not signalled yet */
  52         GQueue                *messages_queue;
  53         /* Queue of messages signalled but not acked yet */
  54         GQueue                *pending_messages_queue;
  55         gboolean               had_properties_list;
  56         GPtrArray             *properties;
  57         TpChannelPasswordFlags password_flags;
  58         /* TRUE if we fetched the password flag of the channel or if it's not needed
  59          * (channel doesn't implement the Password interface) */
  60         gboolean               got_password_flags;
  61         gboolean               ready;
  62         gboolean               can_upgrade_to_muc;
  63 } EmpathyTpChatPriv;
  64
  65 static void tp_chat_iface_init         (EmpathyContactListIface *iface);
  66
  67 enum {
  68         PROP_0,
  69         PROP_ACCOUNT,
  70         PROP_CHANNEL,
  71         PROP_REMOTE_CONTACT,
  72         PROP_PASSWORD_NEEDED,
  73         PROP_READY,
  74 };
  75
  76 enum {
  77         MESSAGE_RECEIVED,
  78         SEND_ERROR,
  79         CHAT_STATE_CHANGED,
  80         PROPERTY_CHANGED,
  81         DESTROY,
  82         LAST_SIGNAL
  83 };
  84
  85 static guint signals[LAST_SIGNAL];
  86
  87 G_DEFINE_TYPE_WITH_CODE (EmpathyTpChat, empathy_tp_chat, G_TYPE_OBJECT,
  88                          G_IMPLEMENT_INTERFACE (EMPATHY_TYPE_CONTACT_LIST,
  89                                                 tp_chat_iface_init));
  90
  91 static void acknowledge_messages (EmpathyTpChat *chat, GArray *ids);
  92
  93 static void
  94 tp_chat_invalidated_cb (TpProxy       *proxy,
  95                         guint          domain,
  96                         gint           code,
  97                         gchar         *message,
  98                         EmpathyTpChat *chat)
  99 {
 100         DEBUG ("Channel invalidated: %s", message);
 101         g_signal_emit (chat, signals[DESTROY], 0);
 102 }
 103
 104 static void
 105 tp_chat_async_cb (TpChannel *proxy,
 106                   const GError *error,
 107                   gpointer user_data,
 108                   GObject *weak_object)
 109 {
 110         if (error) {
 111                 DEBUG ("Error %s: %s", (gchar *) user_data, error->message);
 112         }
 113 }
 114
 115 static void
 116 create_conference_cb (GObject *source,
 117                       GAsyncResult *result,
 118                       gpointer user_data)
 119 {
 120         GError *error = NULL;
 121
 122         if (!tp_account_channel_request_create_channel_finish (
 123                         TP_ACCOUNT_CHANNEL_REQUEST (source), result, &error)) {
 124                 DEBUG ("Failed to create conference channel: %s", error->message);
 125                 g_error_free (error);
 126         }
 127 }
 128
 129 static void
 130 tp_chat_add (EmpathyContactList *list,
 131              EmpathyContact     *contact,
 132              const gchar        *message)
 133 {
 134         EmpathyTpChatPriv *priv = GET_PRIV (list);
 135
 136         if (tp_proxy_has_interface_by_id (priv->channel,
 137                 TP_IFACE_QUARK_CHANNEL_INTERFACE_GROUP)) {
 138                 TpHandle           handle;
 139                 GArray             handles = {(gchar *) &handle, 1};
 140
 141                 g_return_if_fail (EMPATHY_IS_TP_CHAT (list));
 142                 g_return_if_fail (EMPATHY_IS_CONTACT (contact));
 143
 144                 handle = empathy_contact_get_handle (contact);
 145                 tp_cli_channel_interface_group_call_add_members (priv->channel,
 146                         -1, &handles, NULL, NULL, NULL, NULL, NULL);
 147         } else if (priv->can_upgrade_to_muc) {
 148                 TpAccountChannelRequest *req;
 149                 GHashTable        *props;
 150                 const char        *object_path;
 151                 GPtrArray          channels = { (gpointer *) &object_path, 1 };
 152                 const char        *invitees[2] = { NULL, };
 153
 154                 invitees[0] = empathy_contact_get_id (contact);
 155                 object_path = tp_proxy_get_object_path (priv->channel);
 156
 157                 props = tp_asv_new (
 158                     TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING,
 159                         TP_IFACE_CHANNEL_TYPE_TEXT,
 160                     TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, G_TYPE_UINT,
 161                         TP_HANDLE_TYPE_NONE,
 162                     TP_PROP_CHANNEL_INTERFACE_CONFERENCE_INITIAL_CHANNELS,
 163                         TP_ARRAY_TYPE_OBJECT_PATH_LIST, &channels,
 164                     TP_PROP_CHANNEL_INTERFACE_CONFERENCE_INITIAL_INVITEE_IDS,
 165                         G_TYPE_STRV, invitees,
 166                     /* FIXME: InvitationMessage ? */
 167                     NULL);
 168
 169                 req = tp_account_channel_request_new (priv->account, props,
 170                         TP_USER_ACTION_TIME_NOT_USER_ACTION);
 171
 172                 /* Although this is a MUC, it's anonymous, so CreateChannel is
 173                  * valid. */
 174                 tp_account_channel_request_create_channel_async (req, EMPATHY_CHAT_BUS_NAME,
 175                         NULL, create_conference_cb, NULL);
 176
 177                 g_object_unref (req);
 178                 g_hash_table_unref (props);
 179         } else {
 180                 g_warning ("Cannot add to this channel");
 181         }
 182 }
 183
 184 static void
 185 tp_chat_remove (EmpathyContactList *list,
 186                 EmpathyContact     *contact,
 187                 const gchar        *message)
 188 {
 189         EmpathyTpChatPriv *priv = GET_PRIV (list);
 190         TpHandle           handle;
 191         GArray             handles = {(gchar *) &handle, 1};
 192
 193         g_return_if_fail (EMPATHY_IS_TP_CHAT (list));
 194         g_return_if_fail (EMPATHY_IS_CONTACT (contact));
 195
 196         handle = empathy_contact_get_handle (contact);
 197         tp_cli_channel_interface_group_call_remove_members (priv->channel, -1,
 198                                                             &handles, NULL,
 199                                                             NULL, NULL, NULL,
 200                                                             NULL);
 201 }
 202
 203 static GList *
 204 tp_chat_get_members (EmpathyContactList *list)
 205 {
 206         EmpathyTpChatPriv *priv = GET_PRIV (list);
 207         GList             *members = NULL;
 208
 209         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (list), NULL);
 210
 211         if (priv->members) {
 212                 members = g_list_copy (priv->members);
 213                 g_list_foreach (members, (GFunc) g_object_ref, NULL);
 214         } else {
 215                 members = g_list_prepend (members, g_object_ref (priv->user));
 216                 if (priv->remote_contact != NULL)
 217                         members = g_list_prepend (members, g_object_ref (priv->remote_contact));
 218         }
 219
 220         return members;
 221 }
 222
 223 static void
 224 check_ready (EmpathyTpChat *chat)
 225 {
 226         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 227
 228         if (priv->ready)
 229                 return;
 230
 231         if (g_queue_get_length (priv->messages_queue) > 0)
 232                 return;
 233
 234         DEBUG ("Ready");
 235
 236         priv->ready = TRUE;
 237         g_object_notify (G_OBJECT (chat), "ready");
 238 }
 239
 240 static void
 241 tp_chat_emit_queued_messages (EmpathyTpChat *chat)
 242 {
 243         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 244         EmpathyMessage    *message;
 245
 246         /* Check if we can now emit some queued messages */
 247         while ((message = g_queue_peek_head (priv->messages_queue)) != NULL) {
 248                 if (empathy_message_get_sender (message) == NULL) {
 249                         break;
 250                 }
 251
 252                 DEBUG ("Queued message ready");
 253                 g_queue_pop_head (priv->messages_queue);
 254                 g_queue_push_tail (priv->pending_messages_queue, message);
 255                 g_signal_emit (chat, signals[MESSAGE_RECEIVED], 0, message);
 256         }
 257
 258         check_ready (chat);
 259 }
 260
 261 static void
 262 tp_chat_got_sender_cb (TpConnection            *connection,
 263                        EmpathyContact          *contact,
 264                        const GError            *error,
 265                        gpointer                 message,
 266                        GObject                 *chat)
 267 {
 268         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 269
 270         if (error) {
 271                 DEBUG ("Error: %s", error->message);
 272                 /* Do not block the message queue, just drop this message */
 273                 g_queue_remove (priv->messages_queue, message);
 274         } else {
 275                 empathy_message_set_sender (message, contact);
 276         }
 277
 278         tp_chat_emit_queued_messages (EMPATHY_TP_CHAT (chat));
 279 }
 280
 281 static void
 282 tp_chat_build_message (EmpathyTpChat *chat,
 283                        gboolean       incoming,
 284                        guint          id,
 285                        guint          type,
 286                        guint          timestamp,
 287                        guint          from_handle,
 288                        const gchar   *message_body,
 289                        TpChannelTextMessageFlags flags)
 290 {
 291         EmpathyTpChatPriv *priv;
 292         EmpathyMessage    *message;
 293
 294         priv = GET_PRIV (chat);
 295
 296         message = empathy_message_new (message_body);
 297         empathy_message_set_tptype (message, type);
 298         empathy_message_set_receiver (message, priv->user);
 299         empathy_message_set_timestamp (message, timestamp);
 300         empathy_message_set_id (message, id);
 301         empathy_message_set_incoming (message, incoming);
 302         empathy_message_set_flags (message, flags);
 303
 304         if (flags & TP_CHANNEL_TEXT_MESSAGE_FLAG_SCROLLBACK)
 305                 empathy_message_set_is_backlog (message, TRUE);
 306
 307         g_queue_push_tail (priv->messages_queue, message);
 308
 309         if (from_handle == 0) {
 310                 empathy_message_set_sender (message, priv->user);
 311                 tp_chat_emit_queued_messages (chat);
 312         } else {
 313                 empathy_tp_contact_factory_get_from_handle (priv->connection,
 314                         from_handle,
 315                         tp_chat_got_sender_cb,
 316                         message, NULL, G_OBJECT (chat));
 317         }
 318 }
 319
 320 static void
 321 tp_chat_received_cb (TpChannel   *channel,
 322                      guint        message_id,
 323                      guint        timestamp,
 324                      guint        from_handle,
 325                      guint        message_type,
 326                      guint        message_flags,
 327                      const gchar *message_body,
 328                      gpointer     user_data,
 329                      GObject     *chat_)
 330 {
 331         EmpathyTpChat *chat = EMPATHY_TP_CHAT (chat_);
 332         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 333
 334         if (priv->channel == NULL)
 335                 return;
 336
 337         if (priv->listing_pending_messages) {
 338                 return;
 339         }
 340
 341         DEBUG ("Message received from channel %s: %s",
 342                 tp_proxy_get_object_path (channel), message_body);
 343
 344         if (message_flags & TP_CHANNEL_TEXT_MESSAGE_FLAG_NON_TEXT_CONTENT &&
 345             !tp_strdiff (message_body, "")) {
 346                 GArray *ids;
 347
 348                 DEBUG ("Empty message with NonTextContent, ignoring and acking.");
 349
 350                 ids = g_array_sized_new (FALSE, FALSE, sizeof (guint), 1);
 351                 g_array_append_val (ids, message_id);
 352                 acknowledge_messages (chat, ids);
 353                 g_array_free (ids, TRUE);
 354
 355                 return;
 356         }
 357
 358         tp_chat_build_message (chat,
 359                                TRUE,
 360                                message_id,
 361                                message_type,
 362                                timestamp,
 363                                from_handle,
 364                                message_body,
 365                                message_flags);
 366 }
 367
 368 static void
 369 tp_chat_sent_cb (TpChannel   *channel,
 370                  guint        timestamp,
 371                  guint        message_type,
 372                  const gchar *message_body,
 373                  gpointer     user_data,
 374                  GObject     *chat_)
 375 {
 376         EmpathyTpChat *chat = EMPATHY_TP_CHAT (chat_);
 377         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 378
 379         if (priv->channel == NULL)
 380                 return;
 381
 382         DEBUG ("Message sent: %s", message_body);
 383
 384         tp_chat_build_message (chat,
 385                                FALSE,
 386                                0,
 387                                message_type,
 388                                timestamp,
 389                                0,
 390                                message_body,
 391                                0);
 392 }
 393
 394 static void
 395 tp_chat_send_error_cb (TpChannel   *channel,
 396                        guint        error_code,
 397                        guint        timestamp,
 398                        guint        message_type,
 399                        const gchar *message_body,
 400                        gpointer     user_data,
 401                        GObject     *chat)
 402 {
 403         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 404
 405         if (priv->channel == NULL)
 406                 return;
 407
 408         DEBUG ("Error sending '%s' (%d)", message_body, error_code);
 409
 410         g_signal_emit (chat, signals[SEND_ERROR], 0, message_body, error_code);
 411 }
 412
 413 static void
 414 tp_chat_send_cb (TpChannel    *proxy,
 415                  const GError *error,
 416                  gpointer      user_data,
 417                  GObject      *chat)
 418 {
 419         EmpathyMessage *message = EMPATHY_MESSAGE (user_data);
 420
 421         if (error) {
 422                 DEBUG ("Error: %s", error->message);
 423                 g_signal_emit (chat, signals[SEND_ERROR], 0,
 424                                empathy_message_get_body (message),
 425                                TP_CHANNEL_TEXT_SEND_ERROR_UNKNOWN);
 426         }
 427 }
 428
 429 typedef struct {
 430         EmpathyTpChat *chat;
 431         TpChannelChatState state;
 432 } StateChangedData;
 433
 434 static void
 435 tp_chat_state_changed_got_contact_cb (TpConnection            *connection,
 436                                       EmpathyContact          *contact,
 437                                       const GError            *error,
 438                                       gpointer                 user_data,
 439                                       GObject                 *chat)
 440 {
 441         TpChannelChatState state;
 442
 443         if (error) {
 444                 DEBUG ("Error: %s", error->message);
 445                 return;
 446         }
 447
 448         state = GPOINTER_TO_UINT (user_data);
 449         DEBUG ("Chat state changed for %s (%d): %d",
 450                 empathy_contact_get_alias (contact),
 451                 empathy_contact_get_handle (contact), state);
 452
 453         g_signal_emit (chat, signals[CHAT_STATE_CHANGED], 0, contact, state);
 454 }
 455
 456 static void
 457 tp_chat_state_changed_cb (TpChannel *channel,
 458                           TpHandle   handle,
 459                           TpChannelChatState state,
 460                           gpointer   user_data,
 461                           GObject   *chat)
 462 {
 463         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 464
 465         empathy_tp_contact_factory_get_from_handle (priv->connection, handle,
 466                 tp_chat_state_changed_got_contact_cb, GUINT_TO_POINTER (state),
 467                 NULL, chat);
 468 }
 469
 470 static void
 471 tp_chat_list_pending_messages_cb (TpChannel       *channel,
 472                                   const GPtrArray *messages_list,
 473                                   const GError    *error,
 474                                   gpointer         user_data,
 475                                   GObject         *chat_)
 476 {
 477         EmpathyTpChat     *chat = EMPATHY_TP_CHAT (chat_);
 478         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 479         guint              i;
 480         GArray            *empty_non_text_content_ids = NULL;
 481
 482         priv->listing_pending_messages = FALSE;
 483
 484         if (priv->channel == NULL)
 485                 return;
 486
 487         if (error) {
 488                 DEBUG ("Error listing pending messages: %s", error->message);
 489                 return;
 490         }
 491
 492         for (i = 0; i < messages_list->len; i++) {
 493                 GValueArray    *message_struct;
 494                 const gchar    *message_body;
 495                 guint           message_id;
 496                 guint           timestamp;
 497                 guint           from_handle;
 498                 guint           message_type;
 499                 guint           message_flags;
 500
 501                 message_struct = g_ptr_array_index (messages_list, i);
 502
 503                 message_id = g_value_get_uint (g_value_array_get_nth (message_struct, 0));
 504                 timestamp = g_value_get_uint (g_value_array_get_nth (message_struct, 1));
 505                 from_handle = g_value_get_uint (g_value_array_get_nth (message_struct, 2));
 506                 message_type = g_value_get_uint (g_value_array_get_nth (message_struct, 3));
 507                 message_flags = g_value_get_uint (g_value_array_get_nth (message_struct, 4));
 508                 message_body = g_value_get_string (g_value_array_get_nth (message_struct, 5));
 509
 510                 DEBUG ("Message pending: %s", message_body);
 511
 512                 if (message_flags & TP_CHANNEL_TEXT_MESSAGE_FLAG_NON_TEXT_CONTENT &&
 513                     !tp_strdiff (message_body, "")) {
 514                         DEBUG ("Empty message with NonTextContent, ignoring and acking.");
 515
 516                         if (empty_non_text_content_ids == NULL) {
 517                                 empty_non_text_content_ids = g_array_new (FALSE, FALSE, sizeof (guint));
 518                         }
 519
 520                         g_array_append_val (empty_non_text_content_ids, message_id);
 521                         continue;
 522                 }
 523
 524                 tp_chat_build_message (chat,
 525                                        TRUE,
 526                                        message_id,
 527                                        message_type,
 528                                        timestamp,
 529                                        from_handle,
 530                                        message_body,
 531                                        message_flags);
 532         }
 533
 534         if (empty_non_text_content_ids != NULL) {
 535                 acknowledge_messages (chat, empty_non_text_content_ids);
 536                 g_array_free (empty_non_text_content_ids, TRUE);
 537         }
 538
 539         check_ready (chat);
 540 }
 541
 542 static void
 543 tp_chat_property_flags_changed_cb (TpProxy         *proxy,
 544                                    const GPtrArray *properties,
 545                                    gpointer         user_data,
 546                                    GObject         *chat)
 547 {
 548         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 549         guint              i, j;
 550
 551         if (priv->channel == NULL)
 552                 return;
 553
 554         if (!priv->had_properties_list || !properties) {
 555                 return;
 556         }
 557
 558         for (i = 0; i < properties->len; i++) {
 559                 GValueArray           *prop_struct;
 560                 EmpathyTpChatProperty *property;
 561                 guint                  id;
 562                 guint                  flags;
 563
 564                 prop_struct = g_ptr_array_index (properties, i);
 565                 id = g_value_get_uint (g_value_array_get_nth (prop_struct, 0));
 566                 flags = g_value_get_uint (g_value_array_get_nth (prop_struct, 1));
 567
 568                 for (j = 0; j < priv->properties->len; j++) {
 569                         property = g_ptr_array_index (priv->properties, j);
 570                         if (property->id == id) {
 571                                 property->flags = flags;
 572                                 DEBUG ("property %s flags changed: %d",
 573                                         property->name, property->flags);
 574                                 break;
 575                         }
 576                 }
 577         }
 578 }
 579
 580 static void
 581 tp_chat_properties_changed_cb (TpProxy         *proxy,
 582                                const GPtrArray *properties,
 583                                gpointer         user_data,
 584                                GObject         *chat)
 585 {
 586         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 587         guint              i, j;
 588
 589         if (priv->channel == NULL)
 590                 return;
 591
 592         if (!priv->had_properties_list || !properties) {
 593                 return;
 594         }
 595
 596         for (i = 0; i < properties->len; i++) {
 597                 GValueArray           *prop_struct;
 598                 EmpathyTpChatProperty *property;
 599                 guint                  id;
 600                 GValue                *src_value;
 601
 602                 prop_struct = g_ptr_array_index (properties, i);
 603                 id = g_value_get_uint (g_value_array_get_nth (prop_struct, 0));
 604                 src_value = g_value_get_boxed (g_value_array_get_nth (prop_struct, 1));
 605
 606                 for (j = 0; j < priv->properties->len; j++) {
 607                         property = g_ptr_array_index (priv->properties, j);
 608                         if (property->id == id) {
 609                                 if (property->value) {
 610                                         g_value_copy (src_value, property->value);
 611                                 } else {
 612                                         property->value = tp_g_value_slice_dup (src_value);
 613                                 }
 614
 615                                 DEBUG ("property %s changed", property->name);
 616                                 g_signal_emit (chat, signals[PROPERTY_CHANGED], 0,
 617                                                property->name, property->value);
 618                                 break;
 619                         }
 620                 }
 621         }
 622 }
 623
 624 static void
 625 tp_chat_get_properties_cb (TpProxy         *proxy,
 626                            const GPtrArray *properties,
 627                            const GError    *error,
 628                            gpointer         user_data,
 629                            GObject         *chat)
 630 {
 631         if (error) {
 632                 DEBUG ("Error getting properties: %s", error->message);
 633                 return;
 634         }
 635
 636         tp_chat_properties_changed_cb (proxy, properties, user_data, chat);
 637 }
 638
 639 static void
 640 tp_chat_list_properties_cb (TpProxy         *proxy,
 641                             const GPtrArray *properties,
 642                             const GError    *error,
 643                             gpointer         user_data,
 644                             GObject         *chat)
 645 {
 646         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 647         GArray            *ids;
 648         guint              i;
 649
 650         if (priv->channel == NULL)
 651                 return;
 652
 653         priv->had_properties_list = TRUE;
 654
 655         if (error) {
 656                 DEBUG ("Error listing properties: %s", error->message);
 657                 return;
 658         }
 659
 660         ids = g_array_sized_new (FALSE, FALSE, sizeof (guint), properties->len);
 661         priv->properties = g_ptr_array_sized_new (properties->len);
 662         for (i = 0; i < properties->len; i++) {
 663                 GValueArray           *prop_struct;
 664                 EmpathyTpChatProperty *property;
 665
 666                 prop_struct = g_ptr_array_index (properties, i);
 667                 property = g_slice_new0 (EmpathyTpChatProperty);
 668                 property->id = g_value_get_uint (g_value_array_get_nth (prop_struct, 0));
 669                 property->name = g_value_dup_string (g_value_array_get_nth (prop_struct, 1));
 670                 property->flags = g_value_get_uint (g_value_array_get_nth (prop_struct, 3));
 671
 672                 DEBUG ("Adding property name=%s id=%d flags=%d",
 673                         property->name, property->id, property->flags);
 674                 g_ptr_array_add (priv->properties, property);
 675                 if (property->flags & TP_PROPERTY_FLAG_READ) {
 676                         g_array_append_val (ids, property->id);
 677                 }
 678         }
 679
 680         tp_cli_properties_interface_call_get_properties (proxy, -1,
 681                                                          ids,
 682                                                          tp_chat_get_properties_cb,
 683                                                          NULL, NULL,
 684                                                          chat);
 685
 686         g_array_free (ids, TRUE);
 687 }
 688
 689 void
 690 empathy_tp_chat_set_property (EmpathyTpChat *chat,
 691                               const gchar   *name,
 692                               const GValue  *value)
 693 {
 694         EmpathyTpChatPriv     *priv = GET_PRIV (chat);
 695         EmpathyTpChatProperty *property;
 696         guint                  i;
 697
 698         if (!priv->had_properties_list) {
 699                 return;
 700         }
 701
 702         for (i = 0; i < priv->properties->len; i++) {
 703                 property = g_ptr_array_index (priv->properties, i);
 704                 if (!tp_strdiff (property->name, name)) {
 705                         GPtrArray   *properties;
 706                         GValueArray *prop;
 707                         GValue       id = {0, };
 708                         GValue       dest_value = {0, };
 709
 710                         if (!(property->flags & TP_PROPERTY_FLAG_WRITE)) {
 711                                 break;
 712                         }
 713
 714                         g_value_init (&id, G_TYPE_UINT);
 715                         g_value_init (&dest_value, G_TYPE_VALUE);
 716                         g_value_set_uint (&id, property->id);
 717                         g_value_set_boxed (&dest_value, value);
 718
 719                         prop = g_value_array_new (2);
 720                         g_value_array_append (prop, &id);
 721                         g_value_array_append (prop, &dest_value);
 722
 723                         properties = g_ptr_array_sized_new (1);
 724                         g_ptr_array_add (properties, prop);
 725
 726                         DEBUG ("Set property %s", name);
 727                         tp_cli_properties_interface_call_set_properties (priv->channel, -1,
 728                                                                          properties,
 729                                                                          (tp_cli_properties_interface_callback_for_set_properties)
 730                                                                          tp_chat_async_cb,
 731                                                                          "Seting property", NULL,
 732                                                                          G_OBJECT (chat));
 733
 734                         g_ptr_array_free (properties, TRUE);
 735                         g_value_array_free (prop);
 736
 737                         break;
 738                 }
 739         }
 740 }
 741
 742 EmpathyTpChatProperty *
 743 empathy_tp_chat_get_property (EmpathyTpChat *chat,
 744                               const gchar   *name)
 745 {
 746         EmpathyTpChatPriv     *priv = GET_PRIV (chat);
 747         EmpathyTpChatProperty *property;
 748         guint                  i;
 749
 750         if (!priv->had_properties_list) {
 751                 return NULL;
 752         }
 753
 754         for (i = 0; i < priv->properties->len; i++) {
 755                 property = g_ptr_array_index (priv->properties, i);
 756                 if (!tp_strdiff (property->name, name)) {
 757                         return property;
 758                 }
 759         }
 760
 761         return NULL;
 762 }
 763
 764 GPtrArray *
 765 empathy_tp_chat_get_properties (EmpathyTpChat *chat)
 766 {
 767         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 768
 769         return priv->properties;
 770 }
 771
 772 static void
 773 tp_chat_dispose (GObject *object)
 774 {
 775         EmpathyTpChat *self = EMPATHY_TP_CHAT (object);
 776         EmpathyTpChatPriv *priv = GET_PRIV (self);
 777
 778         if (priv->dispose_has_run)
 779                 return;
 780
 781         priv->dispose_has_run = TRUE;
 782
 783         tp_clear_object (&priv->account);
 784
 785         if (priv->connection != NULL)
 786                 g_object_unref (priv->connection);
 787         priv->connection = NULL;
 788
 789         if (priv->channel != NULL) {
 790                 g_signal_handlers_disconnect_by_func (priv->channel,
 791                         tp_chat_invalidated_cb, self);
 792                 g_object_unref (priv->channel);
 793         }
 794         priv->channel = NULL;
 795
 796         if (priv->remote_contact != NULL)
 797                 g_object_unref (priv->remote_contact);
 798         priv->remote_contact = NULL;
 799
 800         if (priv->user != NULL)
 801                 g_object_unref (priv->user);
 802         priv->user = NULL;
 803
 804         g_queue_foreach (priv->messages_queue, (GFunc) g_object_unref, NULL);
 805         g_queue_clear (priv->messages_queue);
 806
 807         g_queue_foreach (priv->pending_messages_queue,
 808                 (GFunc) g_object_unref, NULL);
 809         g_queue_clear (priv->pending_messages_queue);
 810
 811         if (G_OBJECT_CLASS (empathy_tp_chat_parent_class)->dispose)
 812                 G_OBJECT_CLASS (empathy_tp_chat_parent_class)->dispose (object);
 813 }
 814
 815 static void
 816 tp_chat_finalize (GObject *object)
 817 {
 818         EmpathyTpChatPriv *priv = GET_PRIV (object);
 819         guint              i;
 820
 821         DEBUG ("Finalize: %p", object);
 822
 823         if (priv->properties) {
 824                 for (i = 0; i < priv->properties->len; i++) {
 825                         EmpathyTpChatProperty *property;
 826
 827                         property = g_ptr_array_index (priv->properties, i);
 828                         g_free (property->name);
 829                         if (property->value) {
 830                                 tp_g_value_slice_free (property->value);
 831                         }
 832                         g_slice_free (EmpathyTpChatProperty, property);
 833                 }
 834                 g_ptr_array_free (priv->properties, TRUE);
 835         }
 836
 837         g_queue_free (priv->messages_queue);
 838         g_queue_free (priv->pending_messages_queue);
 839
 840         G_OBJECT_CLASS (empathy_tp_chat_parent_class)->finalize (object);
 841 }
 842
 843 static void
 844 check_almost_ready (EmpathyTpChat *chat)
 845 {
 846         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 847
 848         if (priv->ready)
 849                 return;
 850
 851         if (priv->user == NULL)
 852                 return;
 853
 854         if (!priv->got_password_flags)
 855                 return;
 856
 857         /* We need either the members (room) or the remote contact (private chat).
 858          * If the chat is protected by a password we can't get these information so
 859          * consider the chat as ready so it can be presented to the user. */
 860         if (!empathy_tp_chat_password_needed (chat) && priv->members == NULL &&
 861             priv->remote_contact == NULL)
 862                 return;
 863
 864         tp_cli_channel_type_text_connect_to_received (priv->channel,
 865                                                       tp_chat_received_cb,
 866                                                       NULL, NULL,
 867                                                       G_OBJECT (chat), NULL);
 868         priv->listing_pending_messages = TRUE;
 869
 870         /* TpChat will be ready once ListPendingMessages returned and all the messages
 871          * have been added to the pending messages queue. */
 872         tp_cli_channel_type_text_call_list_pending_messages (priv->channel, -1,
 873                                                              FALSE,
 874                                                              tp_chat_list_pending_messages_cb,
 875                                                              NULL, NULL,
 876                                                              G_OBJECT (chat));
 877
 878         tp_cli_channel_type_text_connect_to_sent (priv->channel,
 879                                                   tp_chat_sent_cb,
 880                                                   NULL, NULL,
 881                                                   G_OBJECT (chat), NULL);
 882         tp_cli_channel_type_text_connect_to_send_error (priv->channel,
 883                                                         tp_chat_send_error_cb,
 884                                                         NULL, NULL,
 885                                                         G_OBJECT (chat), NULL);
 886         tp_cli_channel_interface_chat_state_connect_to_chat_state_changed (priv->channel,
 887                                                                            tp_chat_state_changed_cb,
 888                                                                            NULL, NULL,
 889                                                                            G_OBJECT (chat), NULL);
 890 }
 891
 892 static void
 893 tp_chat_update_remote_contact (EmpathyTpChat *chat)
 894 {
 895         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 896         EmpathyContact *contact = NULL;
 897         TpHandle self_handle;
 898         TpHandleType handle_type;
 899         GList *l;
 900
 901         /* If this is a named chatroom, never pretend it is a private chat */
 902         tp_channel_get_handle (priv->channel, &handle_type);
 903         if (handle_type == TP_HANDLE_TYPE_ROOM) {
 904                 return;
 905         }
 906
 907         /* This is an MSN chat, but it's the new style where 1-1 chats don't
 908          * have the group interface. If it has the conference interface, then
 909          * it is indeed a MUC. */
 910         if (tp_proxy_has_interface_by_id (priv->channel,
 911                                           TP_IFACE_QUARK_CHANNEL_INTERFACE_CONFERENCE)) {
 912                 return;
 913         }
 914
 915         /* This is an MSN-like chat where anyone can join the chat at anytime.
 916          * If there is only one non-self contact member, we are in a private
 917          * chat and we set the "remote-contact" property to that contact. If
 918          * there are more, set the "remote-contact" property to NULL and the
 919          * UI will display a contact list. */
 920         self_handle = tp_channel_group_get_self_handle (priv->channel);
 921         for (l = priv->members; l; l = l->next) {
 922                 /* Skip self contact if member */
 923                 if (empathy_contact_get_handle (l->data) == self_handle) {
 924                         continue;
 925                 }
 926
 927                 /* We have more than one remote contact, break */
 928                 if (contact != NULL) {
 929                         contact = NULL;
 930                         break;
 931                 }
 932
 933                 /* If we didn't find yet a remote contact, keep this one */
 934                 contact = l->data;
 935         }
 936
 937         if (priv->remote_contact == contact) {
 938                 return;
 939         }
 940
 941         DEBUG ("Changing remote contact from %p to %p",
 942                 priv->remote_contact, contact);
 943
 944         if (priv->remote_contact) {
 945                 g_object_unref (priv->remote_contact);
 946         }
 947
 948         priv->remote_contact = contact ? g_object_ref (contact) : NULL;
 949         g_object_notify (G_OBJECT (chat), "remote-contact");
 950 }
 951
 952 static void
 953 tp_chat_got_added_contacts_cb (TpConnection            *connection,
 954                                guint                    n_contacts,
 955                                EmpathyContact * const * contacts,
 956                                guint                    n_failed,
 957                                const TpHandle          *failed,
 958                                const GError            *error,
 959                                gpointer                 user_data,
 960                                GObject                 *chat)
 961 {
 962         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 963         guint i;
 964         const TpIntSet *members;
 965         TpHandle handle;
 966         EmpathyContact *contact;
 967
 968         if (error) {
 969                 DEBUG ("Error: %s", error->message);
 970                 return;
 971         }
 972
 973         members = tp_channel_group_get_members (priv->channel);
 974         for (i = 0; i < n_contacts; i++) {
 975                 contact = contacts[i];
 976                 handle = empathy_contact_get_handle (contact);
 977
 978                 /* Make sure the contact is still member */
 979                 if (tp_intset_is_member (members, handle)) {
 980                         priv->members = g_list_prepend (priv->members,
 981                                 g_object_ref (contact));
 982                         g_signal_emit_by_name (chat, "members-changed",
 983                                                contact, NULL, 0, NULL, TRUE);
 984                 }
 985         }
 986
 987         tp_chat_update_remote_contact (EMPATHY_TP_CHAT (chat));
 988         check_almost_ready (EMPATHY_TP_CHAT (chat));
 989 }
 990
 991 static EmpathyContact *
 992 chat_lookup_contact (EmpathyTpChat *chat,
 993                      TpHandle       handle,
 994                      gboolean       remove_)
 995 {
 996         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 997         GList *l;
 998
 999         for (l = priv->members; l; l = l->next) {
1000                 EmpathyContact *c = l->data;
1001
1002                 if (empathy_contact_get_handle (c) != handle) {
1003                         continue;
1004                 }
1005
1006                 if (remove_) {
1007                         /* Caller takes the reference. */
1008                         priv->members = g_list_delete_link (priv->members, l);
1009                 } else {
1010                         g_object_ref (c);
1011                 }
1012
1013                 return c;
1014         }
1015
1016         return NULL;
1017 }
1018
1019 typedef struct
1020 {
1021     TpHandle old_handle;
1022     guint reason;
1023     gchar *message;
1024 } ContactRenameData;
1025
1026 static ContactRenameData *
1027 contact_rename_data_new (TpHandle handle,
1028                          guint reason,
1029                          const gchar* message)
1030 {
1031         ContactRenameData *data = g_new (ContactRenameData, 1);
1032         data->old_handle = handle;
1033         data->reason = reason;
1034         data->message = g_strdup (message);
1035
1036         return data;
1037 }
1038
1039 static void
1040 contact_rename_data_free (ContactRenameData* data)
1041 {
1042         g_free (data->message);
1043         g_free (data);
1044 }
1045
1046 static void
1047 tp_chat_got_renamed_contacts_cb (TpConnection            *connection,
1048                                  guint                    n_contacts,
1049                                  EmpathyContact * const * contacts,
1050                                  guint                    n_failed,
1051                                  const TpHandle          *failed,
1052                                  const GError            *error,
1053                                  gpointer                 user_data,
1054                                  GObject                 *chat)
1055 {
1056         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1057         const TpIntSet *members;
1058         TpHandle handle;
1059         EmpathyContact *old = NULL, *new = NULL;
1060         ContactRenameData *rename_data = (ContactRenameData *) user_data;
1061
1062         if (error) {
1063                 DEBUG ("Error: %s", error->message);
1064                 return;
1065         }
1066
1067         /* renamed members can only be delivered one at a time */
1068         g_warn_if_fail (n_contacts == 1);
1069
1070         new = contacts[0];
1071
1072         members = tp_channel_group_get_members (priv->channel);
1073         handle = empathy_contact_get_handle (new);
1074
1075         old = chat_lookup_contact (EMPATHY_TP_CHAT (chat),
1076                                    rename_data->old_handle, TRUE);
1077
1078         /* Make sure the contact is still member */
1079         if (tp_intset_is_member (members, handle)) {
1080                 priv->members = g_list_prepend (priv->members,
1081                         g_object_ref (new));
1082
1083                 if (old != NULL) {
1084                         g_signal_emit_by_name (chat, "member-renamed",
1085                                                old, new, rename_data->reason,
1086                                                rename_data->message);
1087                         g_object_unref (old);
1088                 }
1089         }
1090
1091         if (priv->user == old) {
1092                 /* We change our nick */
1093                 tp_clear_object (&priv->user);
1094                 priv->user = g_object_ref (new);
1095         }
1096
1097         tp_chat_update_remote_contact (EMPATHY_TP_CHAT (chat));
1098         check_almost_ready (EMPATHY_TP_CHAT (chat));
1099 }
1100
1101
1102 static void
1103 tp_chat_group_members_changed_cb (TpChannel     *self,
1104                                   gchar         *message,
1105                                   GArray        *added,
1106                                   GArray        *removed,
1107                                   GArray        *local_pending,
1108                                   GArray        *remote_pending,
1109                                   guint          actor,
1110                                   guint          reason,
1111                                   EmpathyTpChat *chat)
1112 {
1113         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1114         EmpathyContact *contact;
1115         EmpathyContact *actor_contact = NULL;
1116         guint i;
1117         ContactRenameData *rename_data;
1118         TpHandle old_handle;
1119
1120         /* Contact renamed */
1121         if (reason == TP_CHANNEL_GROUP_CHANGE_REASON_RENAMED) {
1122                 /* there can only be a single 'added' and a single 'removed' handle */
1123                 if (removed->len != 1 || added->len != 1) {
1124                         g_warning ("RENAMED with %u added, %u removed (expected 1, 1)",
1125                                 added->len, removed->len);
1126                         return;
1127                 }
1128
1129                 old_handle = g_array_index (removed, guint, 0);
1130
1131                 rename_data = contact_rename_data_new (old_handle, reason, message);
1132                 empathy_tp_contact_factory_get_from_handles (priv->connection,
1133                         added->len, (TpHandle *) added->data,
1134                         tp_chat_got_renamed_contacts_cb,
1135                         rename_data, (GDestroyNotify) contact_rename_data_free,
1136                         G_OBJECT (chat));
1137                 return;
1138         }
1139
1140         if (actor != 0) {
1141                 actor_contact = chat_lookup_contact (chat, actor, FALSE);
1142                 if (actor_contact == NULL) {
1143                         /* FIXME: handle this a tad more gracefully: perhaps
1144                          * the actor was a server op. We could use the
1145                          * contact-ids detail of MembersChangedDetailed.
1146                          */
1147                         DEBUG ("actor %u not a channel member", actor);
1148                 }
1149         }
1150
1151         /* Remove contacts that are not members anymore */
1152         for (i = 0; i < removed->len; i++) {
1153                 contact = chat_lookup_contact (chat,
1154                         g_array_index (removed, TpHandle, i), TRUE);
1155
1156                 if (contact != NULL) {
1157                         g_signal_emit_by_name (chat, "members-changed", contact,
1158                                                actor_contact, reason, message,
1159                                                FALSE);
1160                         g_object_unref (contact);
1161                 }
1162         }
1163
1164         /* Request added contacts */
1165         if (added->len > 0) {
1166                 empathy_tp_contact_factory_get_from_handles (priv->connection,
1167                         added->len, (TpHandle *) added->data,
1168                         tp_chat_got_added_contacts_cb, NULL, NULL,
1169                         G_OBJECT (chat));
1170         }
1171
1172         tp_chat_update_remote_contact (chat);
1173
1174         if (actor_contact != NULL) {
1175                 g_object_unref (actor_contact);
1176         }
1177 }
1178
1179 static void
1180 tp_chat_got_remote_contact_cb (TpConnection            *connection,
1181                                EmpathyContact          *contact,
1182                                const GError            *error,
1183                                gpointer                 user_data,
1184                                GObject                 *chat)
1185 {
1186         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1187
1188         if (error) {
1189                 DEBUG ("Error: %s", error->message);
1190                 empathy_tp_chat_leave (EMPATHY_TP_CHAT (chat), "");
1191                 return;
1192         }
1193
1194         priv->remote_contact = g_object_ref (contact);
1195         g_object_notify (chat, "remote-contact");
1196
1197         check_almost_ready (EMPATHY_TP_CHAT (chat));
1198 }
1199
1200 static void
1201 tp_chat_got_self_contact_cb (TpConnection            *connection,
1202                              EmpathyContact          *contact,
1203                              const GError            *error,
1204                              gpointer                 user_data,
1205                              GObject                 *chat)
1206 {
1207         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1208
1209         if (error) {
1210                 DEBUG ("Error: %s", error->message);
1211                 empathy_tp_chat_leave (EMPATHY_TP_CHAT (chat), "");
1212                 return;
1213         }
1214
1215         priv->user = g_object_ref (contact);
1216         empathy_contact_set_is_user (priv->user, TRUE);
1217         check_almost_ready (EMPATHY_TP_CHAT (chat));
1218 }
1219
1220 static void
1221 password_flags_changed_cb (TpChannel *channel,
1222     guint added,
1223     guint removed,
1224     gpointer user_data,
1225     GObject *weak_object)
1226 {
1227         EmpathyTpChat *self = EMPATHY_TP_CHAT (weak_object);
1228         EmpathyTpChatPriv *priv = GET_PRIV (self);
1229         gboolean was_needed, needed;
1230
1231         was_needed = empathy_tp_chat_password_needed (self);
1232
1233         priv->password_flags |= added;
1234         priv->password_flags ^= removed;
1235
1236         needed = empathy_tp_chat_password_needed (self);
1237
1238         if (was_needed != needed)
1239                 g_object_notify (G_OBJECT (self), "password-needed");
1240 }
1241
1242 static void
1243 got_password_flags_cb (TpChannel *proxy,
1244                              guint password_flags,
1245                              const GError *error,
1246                              gpointer user_data,
1247                              GObject *weak_object)
1248 {
1249         EmpathyTpChat *self = EMPATHY_TP_CHAT (weak_object);
1250         EmpathyTpChatPriv *priv = GET_PRIV (self);
1251
1252         priv->got_password_flags = TRUE;
1253         priv->password_flags = password_flags;
1254
1255         check_almost_ready (EMPATHY_TP_CHAT (self));
1256 }
1257
1258 static GObject *
1259 tp_chat_constructor (GType                  type,
1260                      guint                  n_props,
1261                      GObjectConstructParam *props)
1262 {
1263         GObject           *chat;
1264         EmpathyTpChatPriv *priv;
1265         TpHandle           handle;
1266
1267         chat = G_OBJECT_CLASS (empathy_tp_chat_parent_class)->constructor (type, n_props, props);
1268
1269         priv = GET_PRIV (chat);
1270
1271         priv->connection = g_object_ref (tp_account_get_connection (priv->account));
1272         tp_g_signal_connect_object (priv->channel, "invalidated",
1273                           G_CALLBACK (tp_chat_invalidated_cb),
1274                           chat, 0);
1275
1276         g_assert (tp_proxy_is_prepared (priv->connection,
1277                 TP_CONNECTION_FEATURE_CAPABILITIES));
1278
1279         if (tp_proxy_has_interface_by_id (priv->channel,
1280                                           TP_IFACE_QUARK_CHANNEL_INTERFACE_GROUP)) {
1281                 const TpIntSet *members;
1282                 GArray *handles;
1283
1284                 /* Get self contact from the group's self handle */
1285                 handle = tp_channel_group_get_self_handle (priv->channel);
1286                 empathy_tp_contact_factory_get_from_handle (priv->connection,
1287                         handle, tp_chat_got_self_contact_cb,
1288                         NULL, NULL, chat);
1289
1290                 /* Get initial member contacts */
1291                 members = tp_channel_group_get_members (priv->channel);
1292                 handles = tp_intset_to_array (members);
1293                 empathy_tp_contact_factory_get_from_handles (priv->connection,
1294                         handles->len, (TpHandle *) handles->data,
1295                         tp_chat_got_added_contacts_cb, NULL, NULL, chat);
1296
1297                 priv->can_upgrade_to_muc = FALSE;
1298
1299                 tp_g_signal_connect_object (priv->channel, "group-members-changed",
1300                         G_CALLBACK (tp_chat_group_members_changed_cb), chat, 0);
1301         } else {
1302                 TpCapabilities *caps;
1303                 GPtrArray *classes;
1304                 guint i;
1305
1306                 /* Get the self contact from the connection's self handle */
1307                 handle = tp_connection_get_self_handle (priv->connection);
1308                 empathy_tp_contact_factory_get_from_handle (priv->connection,
1309                         handle, tp_chat_got_self_contact_cb,
1310                         NULL, NULL, chat);
1311
1312                 /* Get the remote contact */
1313                 handle = tp_channel_get_handle (priv->channel, NULL);
1314                 empathy_tp_contact_factory_get_from_handle (priv->connection,
1315                         handle, tp_chat_got_remote_contact_cb,
1316                         NULL, NULL, chat);
1317
1318                 caps = tp_connection_get_capabilities (priv->connection);
1319                 g_assert (caps != NULL);
1320
1321                 classes = tp_capabilities_get_channel_classes (caps);
1322
1323                 for (i = 0; i < classes->len; i++) {
1324                         GValueArray *array = g_ptr_array_index (classes, i);
1325                         const char **oprops = g_value_get_boxed (
1326                                 g_value_array_get_nth (array, 1));
1327
1328                         if (tp_strv_contains (oprops, TP_PROP_CHANNEL_INTERFACE_CONFERENCE_INITIAL_CHANNELS)) {
1329                                 priv->can_upgrade_to_muc = TRUE;
1330                                 break;
1331                         }
1332                 }
1333         }
1334
1335         if (tp_proxy_has_interface_by_id (priv->channel,
1336                                           TP_IFACE_QUARK_PROPERTIES_INTERFACE)) {
1337                 tp_cli_properties_interface_call_list_properties (priv->channel, -1,
1338                                                                   tp_chat_list_properties_cb,
1339                                                                   NULL, NULL,
1340                                                                   G_OBJECT (chat));
1341                 tp_cli_properties_interface_connect_to_properties_changed (priv->channel,
1342                                                                            tp_chat_properties_changed_cb,
1343                                                                            NULL, NULL,
1344                                                                            G_OBJECT (chat), NULL);
1345                 tp_cli_properties_interface_connect_to_property_flags_changed (priv->channel,
1346                                                                                tp_chat_property_flags_changed_cb,
1347                                                                                NULL, NULL,
1348                                                                                G_OBJECT (chat), NULL);
1349         }
1350
1351         /* Check if the chat is password protected */
1352         if (tp_proxy_has_interface_by_id (priv->channel,
1353                                           TP_IFACE_QUARK_CHANNEL_INTERFACE_PASSWORD)) {
1354                 priv->got_password_flags = FALSE;
1355
1356                 tp_cli_channel_interface_password_connect_to_password_flags_changed
1357                         (priv->channel, password_flags_changed_cb, chat, NULL,
1358                          G_OBJECT (chat), NULL);
1359
1360                 tp_cli_channel_interface_password_call_get_password_flags
1361                         (priv->channel, -1, got_password_flags_cb, chat, NULL, chat);
1362         } else {
1363                 /* No Password interface, so no need to fetch the password flags */
1364                 priv->got_password_flags = TRUE;
1365         }
1366
1367         return chat;
1368 }
1369
1370 static void
1371 tp_chat_get_property (GObject    *object,
1372                       guint       param_id,
1373                       GValue     *value,
1374                       GParamSpec *pspec)
1375 {
1376         EmpathyTpChat *self = EMPATHY_TP_CHAT (object);
1377         EmpathyTpChatPriv *priv = GET_PRIV (object);
1378
1379         switch (param_id) {
1380         case PROP_ACCOUNT:
1381                 g_value_set_object (value, priv->account);
1382                 break;
1383         case PROP_CHANNEL:
1384                 g_value_set_object (value, priv->channel);
1385                 break;
1386         case PROP_REMOTE_CONTACT:
1387                 g_value_set_object (value, priv->remote_contact);
1388                 break;
1389         case PROP_READY:
1390                 g_value_set_boolean (value, priv->ready);
1391                 break;
1392         case PROP_PASSWORD_NEEDED:
1393                 g_value_set_boolean (value, empathy_tp_chat_password_needed (self));
1394                 break;
1395         default:
1396                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
1397                 break;
1398         };
1399 }
1400
1401 static void
1402 tp_chat_set_property (GObject      *object,
1403                       guint         param_id,
1404                       const GValue *value,
1405                       GParamSpec   *pspec)
1406 {
1407         EmpathyTpChatPriv *priv = GET_PRIV (object);
1408
1409         switch (param_id) {
1410         case PROP_ACCOUNT:
1411                 priv->account = g_value_dup_object (value);
1412                 break;
1413         case PROP_CHANNEL:
1414                 priv->channel = g_value_dup_object (value);
1415                 break;
1416         default:
1417                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
1418                 break;
1419         };
1420 }
1421
1422 static void
1423 empathy_tp_chat_class_init (EmpathyTpChatClass *klass)
1424 {
1425         GObjectClass *object_class = G_OBJECT_CLASS (klass);
1426
1427         object_class->dispose = tp_chat_dispose;
1428         object_class->finalize = tp_chat_finalize;
1429         object_class->constructor = tp_chat_constructor;
1430         object_class->get_property = tp_chat_get_property;
1431         object_class->set_property = tp_chat_set_property;
1432
1433         g_object_class_install_property (object_class,
1434                                          PROP_ACCOUNT,
1435                                          g_param_spec_object ("account",
1436                                                               "TpAccount",
1437                                                               "the account associated with the chat",
1438                                                               TP_TYPE_ACCOUNT,
1439                                                               G_PARAM_READWRITE |
1440                                                               G_PARAM_CONSTRUCT_ONLY |
1441                                                               G_PARAM_STATIC_STRINGS));
1442
1443         g_object_class_install_property (object_class,
1444                                          PROP_CHANNEL,
1445                                          g_param_spec_object ("channel",
1446                                                               "telepathy channel",
1447                                                               "The text channel for the chat",
1448                                                               TP_TYPE_CHANNEL,
1449                                                               G_PARAM_READWRITE |
1450                                                               G_PARAM_CONSTRUCT_ONLY));
1451
1452         g_object_class_install_property (object_class,
1453                                          PROP_REMOTE_CONTACT,
1454                                          g_param_spec_object ("remote-contact",
1455                                                               "The remote contact",
1456                                                               "The remote contact if there is no group iface on the channel",
1457                                                               EMPATHY_TYPE_CONTACT,
1458                                                               G_PARAM_READABLE));
1459
1460         g_object_class_install_property (object_class,
1461                                          PROP_READY,
1462                                          g_param_spec_boolean ("ready",
1463                                                                "Is the object ready",
1464                                                                "This object can't be used until this becomes true",
1465                                                                FALSE,
1466                                                                G_PARAM_READABLE));
1467
1468         g_object_class_install_property (object_class,
1469                                          PROP_PASSWORD_NEEDED,
1470                                          g_param_spec_boolean ("password-needed",
1471                                                                "password needed",
1472                                                                "TRUE if a password is needed to join the channel",
1473                                                                FALSE,
1474                                                                G_PARAM_READABLE));
1475
1476         /* Signals */
1477         signals[MESSAGE_RECEIVED] =
1478                 g_signal_new ("message-received",
1479                               G_TYPE_FROM_CLASS (klass),
1480                               G_SIGNAL_RUN_LAST,
1481                               0,
1482                               NULL, NULL,
1483                               g_cclosure_marshal_VOID__OBJECT,
1484                               G_TYPE_NONE,
1485                               1, EMPATHY_TYPE_MESSAGE);
1486
1487         signals[SEND_ERROR] =
1488                 g_signal_new ("send-error",
1489                               G_TYPE_FROM_CLASS (klass),
1490                               G_SIGNAL_RUN_LAST,
1491                               0,
1492                               NULL, NULL,
1493                               _empathy_marshal_VOID__STRING_UINT,
1494                               G_TYPE_NONE,
1495                               2, G_TYPE_STRING, G_TYPE_UINT);
1496
1497         signals[CHAT_STATE_CHANGED] =
1498                 g_signal_new ("chat-state-changed",
1499                               G_TYPE_FROM_CLASS (klass),
1500                               G_SIGNAL_RUN_LAST,
1501                               0,
1502                               NULL, NULL,
1503                               _empathy_marshal_VOID__OBJECT_UINT,
1504                               G_TYPE_NONE,
1505                               2, EMPATHY_TYPE_CONTACT, G_TYPE_UINT);
1506
1507         signals[PROPERTY_CHANGED] =
1508                 g_signal_new ("property-changed",
1509                               G_TYPE_FROM_CLASS (klass),
1510                               G_SIGNAL_RUN_LAST,
1511                               0,
1512                               NULL, NULL,
1513                               _empathy_marshal_VOID__STRING_BOXED,
1514                               G_TYPE_NONE,
1515                               2, G_TYPE_STRING, G_TYPE_VALUE);
1516
1517         signals[DESTROY] =
1518                 g_signal_new ("destroy",
1519                               G_TYPE_FROM_CLASS (klass),
1520                               G_SIGNAL_RUN_LAST,
1521                               0,
1522                               NULL, NULL,
1523                               g_cclosure_marshal_VOID__VOID,
1524                               G_TYPE_NONE,
1525                               0);
1526
1527         g_type_class_add_private (object_class, sizeof (EmpathyTpChatPriv));
1528 }
1529
1530 static void
1531 empathy_tp_chat_init (EmpathyTpChat *chat)
1532 {
1533         EmpathyTpChatPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (chat,
1534                 EMPATHY_TYPE_TP_CHAT, EmpathyTpChatPriv);
1535
1536         chat->priv = priv;
1537         priv->messages_queue = g_queue_new ();
1538         priv->pending_messages_queue = g_queue_new ();
1539 }
1540
1541 static void
1542 tp_chat_iface_init (EmpathyContactListIface *iface)
1543 {
1544         iface->add         = tp_chat_add;
1545         iface->remove      = tp_chat_remove;
1546         iface->get_members = tp_chat_get_members;
1547 }
1548
1549 EmpathyTpChat *
1550 empathy_tp_chat_new (TpAccount *account,
1551                      TpChannel *channel)
1552 {
1553         g_return_val_if_fail (TP_IS_ACCOUNT (account), NULL);
1554         g_return_val_if_fail (TP_IS_CHANNEL (channel), NULL);
1555
1556         return g_object_new (EMPATHY_TYPE_TP_CHAT,
1557                              "account", account,
1558                              "channel", channel,
1559                              NULL);
1560 }
1561
1562 const gchar *
1563 empathy_tp_chat_get_id (EmpathyTpChat *chat)
1564 {
1565         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1566         const gchar *id;
1567
1568
1569         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (chat), NULL);
1570
1571         id = tp_channel_get_identifier (priv->channel);
1572         if (!EMP_STR_EMPTY (id))
1573                 return id;
1574         else if (priv->remote_contact)
1575                 return empathy_contact_get_id (priv->remote_contact);
1576         else
1577                 return NULL;
1578
1579 }
1580
1581 EmpathyContact *
1582 empathy_tp_chat_get_remote_contact (EmpathyTpChat *chat)
1583 {
1584         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1585
1586         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (chat), NULL);
1587         g_return_val_if_fail (priv->ready, NULL);
1588
1589         return priv->remote_contact;
1590 }
1591
1592 TpChannel *
1593 empathy_tp_chat_get_channel (EmpathyTpChat *chat)
1594 {
1595         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1596
1597         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (chat), NULL);
1598
1599         return priv->channel;
1600 }
1601
1602 TpAccount *
1603 empathy_tp_chat_get_account (EmpathyTpChat *chat)
1604 {
1605         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1606
1607         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (chat), NULL);
1608
1609         return priv->account;
1610 }
1611
1612 TpConnection *
1613 empathy_tp_chat_get_connection (EmpathyTpChat *chat)
1614 {
1615         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1616
1617         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (chat), NULL);
1618
1619         return tp_channel_borrow_connection (priv->channel);
1620 }
1621 gboolean
1622 empathy_tp_chat_is_ready (EmpathyTpChat *chat)
1623 {
1624         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1625
1626         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (chat), FALSE);
1627
1628         return priv->ready;
1629 }
1630
1631 void
1632 empathy_tp_chat_send (EmpathyTpChat *chat,
1633                       EmpathyMessage *message)
1634 {
1635         EmpathyTpChatPriv        *priv = GET_PRIV (chat);
1636         const gchar              *message_body;
1637         TpChannelTextMessageType  message_type;
1638
1639         g_return_if_fail (EMPATHY_IS_TP_CHAT (chat));
1640         g_return_if_fail (EMPATHY_IS_MESSAGE (message));
1641         g_return_if_fail (priv->ready);
1642
1643         message_body = empathy_message_get_body (message);
1644         message_type = empathy_message_get_tptype (message);
1645
1646         DEBUG ("Sending message: %s", message_body);
1647         tp_cli_channel_type_text_call_send (priv->channel, -1,
1648                                             message_type,
1649                                             message_body,
1650                                             tp_chat_send_cb,
1651                                             g_object_ref (message),
1652                                             (GDestroyNotify) g_object_unref,
1653                                             G_OBJECT (chat));
1654 }
1655
1656 void
1657 empathy_tp_chat_set_state (EmpathyTpChat      *chat,
1658                            TpChannelChatState  state)
1659 {
1660         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1661
1662         g_return_if_fail (EMPATHY_IS_TP_CHAT (chat));
1663         g_return_if_fail (priv->ready);
1664
1665         if (tp_proxy_has_interface_by_id (priv->channel,
1666                                           TP_IFACE_QUARK_CHANNEL_INTERFACE_CHAT_STATE)) {
1667                 DEBUG ("Set state: %d", state);
1668                 tp_cli_channel_interface_chat_state_call_set_chat_state (priv->channel, -1,
1669                                                                          state,
1670                                                                          tp_chat_async_cb,
1671                                                                          "setting chat state",
1672                                                                          NULL,
1673                                                                          G_OBJECT (chat));
1674         }
1675 }
1676
1677
1678 const GList *
1679 empathy_tp_chat_get_pending_messages (EmpathyTpChat *chat)
1680 {
1681         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1682
1683         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (chat), NULL);
1684         g_return_val_if_fail (priv->ready, NULL);
1685
1686         return priv->pending_messages_queue->head;
1687 }
1688
1689 static void
1690 acknowledge_messages (EmpathyTpChat *chat, GArray *ids) {
1691         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1692
1693         tp_cli_channel_type_text_call_acknowledge_pending_messages (
1694                 priv->channel, -1, ids, tp_chat_async_cb,
1695                 "acknowledging received message", NULL, G_OBJECT (chat));
1696 }
1697
1698 void
1699 empathy_tp_chat_acknowledge_message (EmpathyTpChat *chat,
1700                                      EmpathyMessage *message) {
1701         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1702         GArray *message_ids;
1703         GList *m;
1704         guint id;
1705
1706         g_return_if_fail (EMPATHY_IS_TP_CHAT (chat));
1707         g_return_if_fail (priv->ready);
1708
1709         if (!empathy_message_is_incoming (message))
1710                 goto out;
1711
1712         message_ids = g_array_sized_new (FALSE, FALSE, sizeof (guint), 1);
1713
1714         id = empathy_message_get_id (message);
1715         g_array_append_val (message_ids, id);
1716         acknowledge_messages (chat, message_ids);
1717         g_array_free (message_ids, TRUE);
1718
1719 out:
1720         m = g_queue_find (priv->pending_messages_queue, message);
1721         g_assert (m != NULL);
1722         g_queue_delete_link (priv->pending_messages_queue, m);
1723         g_object_unref (message);
1724 }
1725
1726 void
1727 empathy_tp_chat_acknowledge_messages (EmpathyTpChat *chat,
1728                                       const GSList *messages) {
1729         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1730         /* Copy messages as the messges list (probably is) our own */
1731         GSList *msgs = g_slist_copy ((GSList *) messages);
1732         GSList *l;
1733         guint length;
1734         GArray *message_ids;
1735
1736         g_return_if_fail (EMPATHY_IS_TP_CHAT (chat));
1737         g_return_if_fail (priv->ready);
1738
1739         length = g_slist_length ((GSList *) messages);
1740
1741         if (length == 0)
1742                 return;
1743
1744         message_ids = g_array_sized_new (FALSE, FALSE, sizeof (guint), length);
1745
1746         for (l = msgs; l != NULL; l = g_slist_next (l)) {
1747                 GList *m;
1748
1749                 EmpathyMessage *message = EMPATHY_MESSAGE (l->data);
1750
1751                 m = g_queue_find (priv->pending_messages_queue, message);
1752                 g_assert (m != NULL);
1753                 g_queue_delete_link (priv->pending_messages_queue, m);
1754
1755                 if (empathy_message_is_incoming (message)) {
1756                         guint id = empathy_message_get_id (message);
1757                         g_array_append_val (message_ids, id);
1758                 }
1759                 g_object_unref (message);
1760         }
1761
1762         if (message_ids->len > 0)
1763                 acknowledge_messages (chat, message_ids);
1764
1765         g_array_free (message_ids, TRUE);
1766         g_slist_free (msgs);
1767 }
1768
1769 void
1770 empathy_tp_chat_acknowledge_all_messages (EmpathyTpChat *chat)
1771 {
1772   empathy_tp_chat_acknowledge_messages (chat,
1773     (GSList *) empathy_tp_chat_get_pending_messages (chat));
1774 }
1775
1776 gboolean
1777 empathy_tp_chat_password_needed (EmpathyTpChat *self)
1778 {
1779         EmpathyTpChatPriv *priv = GET_PRIV (self);
1780
1781         return priv->password_flags & TP_CHANNEL_PASSWORD_FLAG_PROVIDE;
1782 }
1783
1784 static void
1785 provide_password_cb (TpChannel *channel,
1786                                       gboolean correct,
1787                                       const GError *error,
1788                                       gpointer user_data,
1789                                       GObject *weak_object)
1790 {
1791         GSimpleAsyncResult *result = user_data;
1792
1793         if (error != NULL) {
1794                 g_simple_async_result_set_from_error (result, error);
1795         }
1796         else if (!correct) {
1797                 /* The current D-Bus API is a bit weird so re-use the
1798                  * AuthenticationFailed error */
1799                 g_simple_async_result_set_error (result, TP_ERRORS,
1800                                                  TP_ERROR_AUTHENTICATION_FAILED, "Wrong password");
1801         }
1802
1803         g_simple_async_result_complete (result);
1804         g_object_unref (result);
1805 }
1806
1807 void
1808 empathy_tp_chat_provide_password_async (EmpathyTpChat *self,
1809                                                      const gchar *password,
1810                                                      GAsyncReadyCallback callback,
1811                                                      gpointer user_data)
1812 {
1813         EmpathyTpChatPriv *priv = GET_PRIV (self);
1814         GSimpleAsyncResult *result;
1815
1816         result = g_simple_async_result_new (G_OBJECT (self),
1817                                             callback, user_data,
1818                                             empathy_tp_chat_provide_password_finish);
1819
1820         tp_cli_channel_interface_password_call_provide_password
1821                 (priv->channel, -1, password, provide_password_cb, result,
1822                  NULL, G_OBJECT (self));
1823 }
1824
1825 gboolean
1826 empathy_tp_chat_provide_password_finish (EmpathyTpChat *self,
1827                                                       GAsyncResult *result,
1828                                                       GError **error)
1829 {
1830         if (g_simple_async_result_propagate_error (G_SIMPLE_ASYNC_RESULT (result),
1831                 error))
1832                 return FALSE;
1833
1834         g_return_val_if_fail (g_simple_async_result_is_valid (result,
1835                                                               G_OBJECT (self), empathy_tp_chat_provide_password_finish), FALSE);
1836
1837         return TRUE;
1838 }
1839
1840 /**
1841  * empathy_tp_chat_can_add_contact:
1842  *
1843  * Returns: %TRUE if empathy_contact_list_add() will work for this channel.
1844  * That is if this chat is a 1-to-1 channel that can be upgraded to
1845  * a MUC using the Conference interface or if the channel is a MUC.
1846  */
1847 gboolean
1848 empathy_tp_chat_can_add_contact (EmpathyTpChat *self)
1849 {
1850         EmpathyTpChatPriv *priv;
1851
1852         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (self), FALSE);
1853
1854         priv = GET_PRIV (self);
1855
1856         return priv->can_upgrade_to_muc ||
1857                 tp_proxy_has_interface_by_id (priv->channel,
1858                         TP_IFACE_QUARK_CHANNEL_INTERFACE_GROUP);;
1859 }
1860
1861 static void
1862 tp_channel_leave_async_cb (GObject *source_object,
1863         GAsyncResult *res,
1864         gpointer user_data)
1865 {
1866         GError *error = NULL;
1867
1868         if (!tp_channel_leave_finish (TP_CHANNEL (source_object), res, &error)) {
1869                 DEBUG ("Could not leave channel properly: (%s); closing the channel",
1870                         error->message);
1871                 g_error_free (error);
1872         }
1873 }
1874
1875 void
1876 empathy_tp_chat_leave (EmpathyTpChat *self,
1877                 const gchar *message)
1878 {
1879         EmpathyTpChatPriv *priv = GET_PRIV (self);
1880
1881         tp_channel_leave_async (priv->channel, TP_CHANNEL_GROUP_CHANGE_REASON_NONE,
1882                 message, tp_channel_leave_async_cb, self);
1883 }
1884
1885 static void
1886 add_members_cb (TpChannel *proxy,
1887                 const GError *error,
1888                 gpointer user_data,
1889                 GObject *weak_object)
1890 {
1891         EmpathyTpChatPriv *priv = GET_PRIV (weak_object);
1892
1893         if (error != NULL) {
1894                 DEBUG ("Failed to join chat (%s): %s",
1895                         tp_channel_get_identifier (priv->channel), error->message);
1896         }
1897 }
1898
1899 void
1900 empathy_tp_chat_join (EmpathyTpChat *self)
1901 {
1902         EmpathyTpChatPriv *priv = GET_PRIV (self);
1903         TpHandle self_handle;
1904         GArray *members;
1905
1906         self_handle = tp_channel_group_get_self_handle (priv->channel);
1907
1908         members = g_array_sized_new (FALSE, FALSE, sizeof (TpHandle), 1);
1909         g_array_append_val (members, self_handle);
1910
1911         tp_cli_channel_interface_group_call_add_members (priv->channel, -1, members,
1912                 "", add_members_cb, NULL, NULL, G_OBJECT (self));
1913
1914         g_array_free (members, TRUE);
1915 }
1916
1917 gboolean
1918 empathy_tp_chat_is_invited (EmpathyTpChat *self,
1919                             TpHandle *inviter)
1920 {
1921         EmpathyTpChatPriv *priv = GET_PRIV (self);
1922         TpHandle self_handle;
1923
1924         if (!tp_proxy_has_interface (priv->channel, TP_IFACE_CHANNEL_INTERFACE_GROUP))
1925                 return FALSE;
1926
1927         self_handle = tp_channel_group_get_self_handle (priv->channel);
1928         if (self_handle == 0)
1929                 return FALSE;
1930
1931         return tp_channel_group_get_local_pending_info (priv->channel, self_handle,
1932                 inviter, NULL, NULL);
1933 }
1934
1935 TpChannelChatState
1936 empathy_tp_chat_get_chat_state (EmpathyTpChat *chat,
1937                             EmpathyContact *contact)
1938 {
1939         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1940         return tp_channel_get_chat_state (priv->channel,
1941                 empathy_contact_get_handle (contact));
1942 }
1943
1944 EmpathyContact *
1945 empathy_tp_chat_get_self_contact (EmpathyTpChat *self)
1946 {
1947         EmpathyTpChatPriv *priv = GET_PRIV (self);
1948
1949         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (self), NULL);
1950
1951         return priv->user;
1952 }