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-dispatcher.h"
  34 #include "empathy-marshal.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_IFACE_CHANNEL ".ChannelType", G_TYPE_STRING,
 159                         TP_IFACE_CHANNEL_TYPE_TEXT,
 160                     TP_IFACE_CHANNEL ".TargetHandleType", G_TYPE_UINT,
 161                         TP_HANDLE_TYPE_NONE,
 162                     EMP_IFACE_CHANNEL_INTERFACE_CONFERENCE ".InitialChannels",
 163                         TP_ARRAY_TYPE_OBJECT_PATH_LIST, &channels,
 164                     EMP_IFACE_CHANNEL_INTERFACE_CONFERENCE ".InitialInviteeIDs",
 165                         G_TYPE_STRV, invitees,
 166                     /* FIXME: InvitationMessage ? */
 167                     NULL);
 168
 169                 req = tp_account_channel_request_new (priv->account, props,
 170                         EMPATHY_DISPATCHER_NON_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, NULL, NULL,
 175                         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: %s", message_body);
 342
 343         if (message_flags & TP_CHANNEL_TEXT_MESSAGE_FLAG_NON_TEXT_CONTENT &&
 344             !tp_strdiff (message_body, "")) {
 345                 GArray *ids;
 346
 347                 DEBUG ("Empty message with NonTextContent, ignoring and acking.");
 348
 349                 ids = g_array_sized_new (FALSE, FALSE, sizeof (guint), 1);
 350                 g_array_append_val (ids, message_id);
 351                 acknowledge_messages (chat, ids);
 352                 g_array_free (ids, TRUE);
 353
 354                 return;
 355         }
 356
 357         tp_chat_build_message (chat,
 358                                TRUE,
 359                                message_id,
 360                                message_type,
 361                                timestamp,
 362                                from_handle,
 363                                message_body,
 364                                message_flags);
 365 }
 366
 367 static void
 368 tp_chat_sent_cb (TpChannel   *channel,
 369                  guint        timestamp,
 370                  guint        message_type,
 371                  const gchar *message_body,
 372                  gpointer     user_data,
 373                  GObject     *chat_)
 374 {
 375         EmpathyTpChat *chat = EMPATHY_TP_CHAT (chat_);
 376         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 377
 378         if (priv->channel == NULL)
 379                 return;
 380
 381         DEBUG ("Message sent: %s", message_body);
 382
 383         tp_chat_build_message (chat,
 384                                FALSE,
 385                                0,
 386                                message_type,
 387                                timestamp,
 388                                0,
 389                                message_body,
 390                                0);
 391 }
 392
 393 static void
 394 tp_chat_send_error_cb (TpChannel   *channel,
 395                        guint        error_code,
 396                        guint        timestamp,
 397                        guint        message_type,
 398                        const gchar *message_body,
 399                        gpointer     user_data,
 400                        GObject     *chat)
 401 {
 402         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 403
 404         if (priv->channel == NULL)
 405                 return;
 406
 407         DEBUG ("Error sending '%s' (%d)", message_body, error_code);
 408
 409         g_signal_emit (chat, signals[SEND_ERROR], 0, message_body, error_code);
 410 }
 411
 412 static void
 413 tp_chat_send_cb (TpChannel    *proxy,
 414                  const GError *error,
 415                  gpointer      user_data,
 416                  GObject      *chat)
 417 {
 418         EmpathyMessage *message = EMPATHY_MESSAGE (user_data);
 419
 420         if (error) {
 421                 DEBUG ("Error: %s", error->message);
 422                 g_signal_emit (chat, signals[SEND_ERROR], 0,
 423                                empathy_message_get_body (message),
 424                                TP_CHANNEL_TEXT_SEND_ERROR_UNKNOWN);
 425         }
 426 }
 427
 428 typedef struct {
 429         EmpathyTpChat *chat;
 430         TpChannelChatState state;
 431 } StateChangedData;
 432
 433 static void
 434 tp_chat_state_changed_got_contact_cb (TpConnection            *connection,
 435                                       EmpathyContact          *contact,
 436                                       const GError            *error,
 437                                       gpointer                 user_data,
 438                                       GObject                 *chat)
 439 {
 440         TpChannelChatState state;
 441
 442         if (error) {
 443                 DEBUG ("Error: %s", error->message);
 444                 return;
 445         }
 446
 447         state = GPOINTER_TO_UINT (user_data);
 448         DEBUG ("Chat state changed for %s (%d): %d",
 449                 empathy_contact_get_alias (contact),
 450                 empathy_contact_get_handle (contact), state);
 451
 452         g_signal_emit (chat, signals[CHAT_STATE_CHANGED], 0, contact, state);
 453 }
 454
 455 static void
 456 tp_chat_state_changed_cb (TpChannel *channel,
 457                           TpHandle   handle,
 458                           TpChannelChatState state,
 459                           gpointer   user_data,
 460                           GObject   *chat)
 461 {
 462         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 463
 464         empathy_tp_contact_factory_get_from_handle (priv->connection, handle,
 465                 tp_chat_state_changed_got_contact_cb, GUINT_TO_POINTER (state),
 466                 NULL, chat);
 467 }
 468
 469 static void
 470 tp_chat_list_pending_messages_cb (TpChannel       *channel,
 471                                   const GPtrArray *messages_list,
 472                                   const GError    *error,
 473                                   gpointer         user_data,
 474                                   GObject         *chat_)
 475 {
 476         EmpathyTpChat     *chat = EMPATHY_TP_CHAT (chat_);
 477         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 478         guint              i;
 479         GArray            *empty_non_text_content_ids = NULL;
 480
 481         priv->listing_pending_messages = FALSE;
 482
 483         if (priv->channel == NULL)
 484                 return;
 485
 486         if (error) {
 487                 DEBUG ("Error listing pending messages: %s", error->message);
 488                 return;
 489         }
 490
 491         for (i = 0; i < messages_list->len; i++) {
 492                 GValueArray    *message_struct;
 493                 const gchar    *message_body;
 494                 guint           message_id;
 495                 guint           timestamp;
 496                 guint           from_handle;
 497                 guint           message_type;
 498                 guint           message_flags;
 499
 500                 message_struct = g_ptr_array_index (messages_list, i);
 501
 502                 message_id = g_value_get_uint (g_value_array_get_nth (message_struct, 0));
 503                 timestamp = g_value_get_uint (g_value_array_get_nth (message_struct, 1));
 504                 from_handle = g_value_get_uint (g_value_array_get_nth (message_struct, 2));
 505                 message_type = g_value_get_uint (g_value_array_get_nth (message_struct, 3));
 506                 message_flags = g_value_get_uint (g_value_array_get_nth (message_struct, 4));
 507                 message_body = g_value_get_string (g_value_array_get_nth (message_struct, 5));
 508
 509                 DEBUG ("Message pending: %s", message_body);
 510
 511                 if (message_flags & TP_CHANNEL_TEXT_MESSAGE_FLAG_NON_TEXT_CONTENT &&
 512                     !tp_strdiff (message_body, "")) {
 513                         DEBUG ("Empty message with NonTextContent, ignoring and acking.");
 514
 515                         if (empty_non_text_content_ids == NULL) {
 516                                 empty_non_text_content_ids = g_array_new (FALSE, FALSE, sizeof (guint));
 517                         }
 518
 519                         g_array_append_val (empty_non_text_content_ids, message_id);
 520                         continue;
 521                 }
 522
 523                 tp_chat_build_message (chat,
 524                                        TRUE,
 525                                        message_id,
 526                                        message_type,
 527                                        timestamp,
 528                                        from_handle,
 529                                        message_body,
 530                                        message_flags);
 531         }
 532
 533         if (empty_non_text_content_ids != NULL) {
 534                 acknowledge_messages (chat, empty_non_text_content_ids);
 535                 g_array_free (empty_non_text_content_ids, TRUE);
 536         }
 537
 538         check_ready (chat);
 539 }
 540
 541 static void
 542 tp_chat_property_flags_changed_cb (TpProxy         *proxy,
 543                                    const GPtrArray *properties,
 544                                    gpointer         user_data,
 545                                    GObject         *chat)
 546 {
 547         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 548         guint              i, j;
 549
 550         if (priv->channel == NULL)
 551                 return;
 552
 553         if (!priv->had_properties_list || !properties) {
 554                 return;
 555         }
 556
 557         for (i = 0; i < properties->len; i++) {
 558                 GValueArray           *prop_struct;
 559                 EmpathyTpChatProperty *property;
 560                 guint                  id;
 561                 guint                  flags;
 562
 563                 prop_struct = g_ptr_array_index (properties, i);
 564                 id = g_value_get_uint (g_value_array_get_nth (prop_struct, 0));
 565                 flags = g_value_get_uint (g_value_array_get_nth (prop_struct, 1));
 566
 567                 for (j = 0; j < priv->properties->len; j++) {
 568                         property = g_ptr_array_index (priv->properties, j);
 569                         if (property->id == id) {
 570                                 property->flags = flags;
 571                                 DEBUG ("property %s flags changed: %d",
 572                                         property->name, property->flags);
 573                                 break;
 574                         }
 575                 }
 576         }
 577 }
 578
 579 static void
 580 tp_chat_properties_changed_cb (TpProxy         *proxy,
 581                                const GPtrArray *properties,
 582                                gpointer         user_data,
 583                                GObject         *chat)
 584 {
 585         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 586         guint              i, j;
 587
 588         if (priv->channel == NULL)
 589                 return;
 590
 591         if (!priv->had_properties_list || !properties) {
 592                 return;
 593         }
 594
 595         for (i = 0; i < properties->len; i++) {
 596                 GValueArray           *prop_struct;
 597                 EmpathyTpChatProperty *property;
 598                 guint                  id;
 599                 GValue                *src_value;
 600
 601                 prop_struct = g_ptr_array_index (properties, i);
 602                 id = g_value_get_uint (g_value_array_get_nth (prop_struct, 0));
 603                 src_value = g_value_get_boxed (g_value_array_get_nth (prop_struct, 1));
 604
 605                 for (j = 0; j < priv->properties->len; j++) {
 606                         property = g_ptr_array_index (priv->properties, j);
 607                         if (property->id == id) {
 608                                 if (property->value) {
 609                                         g_value_copy (src_value, property->value);
 610                                 } else {
 611                                         property->value = tp_g_value_slice_dup (src_value);
 612                                 }
 613
 614                                 DEBUG ("property %s changed", property->name);
 615                                 g_signal_emit (chat, signals[PROPERTY_CHANGED], 0,
 616                                                property->name, property->value);
 617                                 break;
 618                         }
 619                 }
 620         }
 621 }
 622
 623 static void
 624 tp_chat_get_properties_cb (TpProxy         *proxy,
 625                            const GPtrArray *properties,
 626                            const GError    *error,
 627                            gpointer         user_data,
 628                            GObject         *chat)
 629 {
 630         if (error) {
 631                 DEBUG ("Error getting properties: %s", error->message);
 632                 return;
 633         }
 634
 635         tp_chat_properties_changed_cb (proxy, properties, user_data, chat);
 636 }
 637
 638 static void
 639 tp_chat_list_properties_cb (TpProxy         *proxy,
 640                             const GPtrArray *properties,
 641                             const GError    *error,
 642                             gpointer         user_data,
 643                             GObject         *chat)
 644 {
 645         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 646         GArray            *ids;
 647         guint              i;
 648
 649         if (priv->channel == NULL)
 650                 return;
 651
 652         priv->had_properties_list = TRUE;
 653
 654         if (error) {
 655                 DEBUG ("Error listing properties: %s", error->message);
 656                 return;
 657         }
 658
 659         ids = g_array_sized_new (FALSE, FALSE, sizeof (guint), properties->len);
 660         priv->properties = g_ptr_array_sized_new (properties->len);
 661         for (i = 0; i < properties->len; i++) {
 662                 GValueArray           *prop_struct;
 663                 EmpathyTpChatProperty *property;
 664
 665                 prop_struct = g_ptr_array_index (properties, i);
 666                 property = g_slice_new0 (EmpathyTpChatProperty);
 667                 property->id = g_value_get_uint (g_value_array_get_nth (prop_struct, 0));
 668                 property->name = g_value_dup_string (g_value_array_get_nth (prop_struct, 1));
 669                 property->flags = g_value_get_uint (g_value_array_get_nth (prop_struct, 3));
 670
 671                 DEBUG ("Adding property name=%s id=%d flags=%d",
 672                         property->name, property->id, property->flags);
 673                 g_ptr_array_add (priv->properties, property);
 674                 if (property->flags & TP_PROPERTY_FLAG_READ) {
 675                         g_array_append_val (ids, property->id);
 676                 }
 677         }
 678
 679         tp_cli_properties_interface_call_get_properties (proxy, -1,
 680                                                          ids,
 681                                                          tp_chat_get_properties_cb,
 682                                                          NULL, NULL,
 683                                                          chat);
 684
 685         g_array_free (ids, TRUE);
 686 }
 687
 688 void
 689 empathy_tp_chat_set_property (EmpathyTpChat *chat,
 690                               const gchar   *name,
 691                               const GValue  *value)
 692 {
 693         EmpathyTpChatPriv     *priv = GET_PRIV (chat);
 694         EmpathyTpChatProperty *property;
 695         guint                  i;
 696
 697         if (!priv->had_properties_list) {
 698                 return;
 699         }
 700
 701         for (i = 0; i < priv->properties->len; i++) {
 702                 property = g_ptr_array_index (priv->properties, i);
 703                 if (!tp_strdiff (property->name, name)) {
 704                         GPtrArray   *properties;
 705                         GValueArray *prop;
 706                         GValue       id = {0, };
 707                         GValue       dest_value = {0, };
 708
 709                         if (!(property->flags & TP_PROPERTY_FLAG_WRITE)) {
 710                                 break;
 711                         }
 712
 713                         g_value_init (&id, G_TYPE_UINT);
 714                         g_value_init (&dest_value, G_TYPE_VALUE);
 715                         g_value_set_uint (&id, property->id);
 716                         g_value_set_boxed (&dest_value, value);
 717
 718                         prop = g_value_array_new (2);
 719                         g_value_array_append (prop, &id);
 720                         g_value_array_append (prop, &dest_value);
 721
 722                         properties = g_ptr_array_sized_new (1);
 723                         g_ptr_array_add (properties, prop);
 724
 725                         DEBUG ("Set property %s", name);
 726                         tp_cli_properties_interface_call_set_properties (priv->channel, -1,
 727                                                                          properties,
 728                                                                          (tp_cli_properties_interface_callback_for_set_properties)
 729                                                                          tp_chat_async_cb,
 730                                                                          "Seting property", NULL,
 731                                                                          G_OBJECT (chat));
 732
 733                         g_ptr_array_free (properties, TRUE);
 734                         g_value_array_free (prop);
 735
 736                         break;
 737                 }
 738         }
 739 }
 740
 741 EmpathyTpChatProperty *
 742 empathy_tp_chat_get_property (EmpathyTpChat *chat,
 743                               const gchar   *name)
 744 {
 745         EmpathyTpChatPriv     *priv = GET_PRIV (chat);
 746         EmpathyTpChatProperty *property;
 747         guint                  i;
 748
 749         if (!priv->had_properties_list) {
 750                 return NULL;
 751         }
 752
 753         for (i = 0; i < priv->properties->len; i++) {
 754                 property = g_ptr_array_index (priv->properties, i);
 755                 if (!tp_strdiff (property->name, name)) {
 756                         return property;
 757                 }
 758         }
 759
 760         return NULL;
 761 }
 762
 763 GPtrArray *
 764 empathy_tp_chat_get_properties (EmpathyTpChat *chat)
 765 {
 766         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 767
 768         return priv->properties;
 769 }
 770
 771 static void
 772 tp_chat_dispose (GObject *object)
 773 {
 774         EmpathyTpChat *self = EMPATHY_TP_CHAT (object);
 775         EmpathyTpChatPriv *priv = GET_PRIV (self);
 776
 777         if (priv->dispose_has_run)
 778                 return;
 779
 780         priv->dispose_has_run = TRUE;
 781
 782         tp_clear_object (&priv->account);
 783
 784         if (priv->connection != NULL)
 785                 g_object_unref (priv->connection);
 786         priv->connection = NULL;
 787
 788         if (priv->channel != NULL) {
 789                 g_signal_handlers_disconnect_by_func (priv->channel,
 790                         tp_chat_invalidated_cb, self);
 791                 g_object_unref (priv->channel);
 792         }
 793         priv->channel = NULL;
 794
 795         if (priv->remote_contact != NULL)
 796                 g_object_unref (priv->remote_contact);
 797         priv->remote_contact = NULL;
 798
 799         if (priv->user != NULL)
 800                 g_object_unref (priv->user);
 801         priv->user = NULL;
 802
 803         g_queue_foreach (priv->messages_queue, (GFunc) g_object_unref, NULL);
 804         g_queue_clear (priv->messages_queue);
 805
 806         g_queue_foreach (priv->pending_messages_queue,
 807                 (GFunc) g_object_unref, NULL);
 808         g_queue_clear (priv->pending_messages_queue);
 809
 810         if (G_OBJECT_CLASS (empathy_tp_chat_parent_class)->dispose)
 811                 G_OBJECT_CLASS (empathy_tp_chat_parent_class)->dispose (object);
 812 }
 813
 814 static void
 815 tp_chat_finalize (GObject *object)
 816 {
 817         EmpathyTpChatPriv *priv = GET_PRIV (object);
 818         guint              i;
 819
 820         DEBUG ("Finalize: %p", object);
 821
 822         if (priv->properties) {
 823                 for (i = 0; i < priv->properties->len; i++) {
 824                         EmpathyTpChatProperty *property;
 825
 826                         property = g_ptr_array_index (priv->properties, i);
 827                         g_free (property->name);
 828                         if (property->value) {
 829                                 tp_g_value_slice_free (property->value);
 830                         }
 831                         g_slice_free (EmpathyTpChatProperty, property);
 832                 }
 833                 g_ptr_array_free (priv->properties, TRUE);
 834         }
 835
 836         g_queue_free (priv->messages_queue);
 837         g_queue_free (priv->pending_messages_queue);
 838
 839         G_OBJECT_CLASS (empathy_tp_chat_parent_class)->finalize (object);
 840 }
 841
 842 static void
 843 check_almost_ready (EmpathyTpChat *chat)
 844 {
 845         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 846
 847         if (priv->ready)
 848                 return;
 849
 850         if (priv->user == NULL)
 851                 return;
 852
 853         if (!priv->got_password_flags)
 854                 return;
 855
 856         /* We need either the members (room) or the remote contact (private chat).
 857          * If the chat is protected by a password we can't get these information so
 858          * consider the chat as ready so it can be presented to the user. */
 859         if (!empathy_tp_chat_password_needed (chat) && priv->members == NULL &&
 860             priv->remote_contact == NULL)
 861                 return;
 862
 863         tp_cli_channel_type_text_connect_to_received (priv->channel,
 864                                                       tp_chat_received_cb,
 865                                                       NULL, NULL,
 866                                                       G_OBJECT (chat), NULL);
 867         priv->listing_pending_messages = TRUE;
 868
 869         /* TpChat will be ready once ListPendingMessages returned and all the messages
 870          * have been added to the pending messages queue. */
 871         tp_cli_channel_type_text_call_list_pending_messages (priv->channel, -1,
 872                                                              FALSE,
 873                                                              tp_chat_list_pending_messages_cb,
 874                                                              NULL, NULL,
 875                                                              G_OBJECT (chat));
 876
 877         tp_cli_channel_type_text_connect_to_sent (priv->channel,
 878                                                   tp_chat_sent_cb,
 879                                                   NULL, NULL,
 880                                                   G_OBJECT (chat), NULL);
 881         tp_cli_channel_type_text_connect_to_send_error (priv->channel,
 882                                                         tp_chat_send_error_cb,
 883                                                         NULL, NULL,
 884                                                         G_OBJECT (chat), NULL);
 885         tp_cli_channel_interface_chat_state_connect_to_chat_state_changed (priv->channel,
 886                                                                            tp_chat_state_changed_cb,
 887                                                                            NULL, NULL,
 888                                                                            G_OBJECT (chat), NULL);
 889 }
 890
 891 static void
 892 tp_chat_update_remote_contact (EmpathyTpChat *chat)
 893 {
 894         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 895         EmpathyContact *contact = NULL;
 896         TpHandle self_handle;
 897         TpHandleType handle_type;
 898         GList *l;
 899
 900         /* If this is a named chatroom, never pretend it is a private chat */
 901         tp_channel_get_handle (priv->channel, &handle_type);
 902         if (handle_type == TP_HANDLE_TYPE_ROOM) {
 903                 return;
 904         }
 905
 906         /* This is an MSN chat, but it's the new style where 1-1 chats don't
 907          * have the group interface. If it has the conference interface, then
 908          * it is indeed a MUC. */
 909         if (tp_proxy_has_interface_by_id (priv->channel,
 910                                           EMP_IFACE_QUARK_CHANNEL_INTERFACE_CONFERENCE)) {
 911                 return;
 912         }
 913
 914         /* This is an MSN-like chat where anyone can join the chat at anytime.
 915          * If there is only one non-self contact member, we are in a private
 916          * chat and we set the "remote-contact" property to that contact. If
 917          * there are more, set the "remote-contact" property to NULL and the
 918          * UI will display a contact list. */
 919         self_handle = tp_channel_group_get_self_handle (priv->channel);
 920         for (l = priv->members; l; l = l->next) {
 921                 /* Skip self contact if member */
 922                 if (empathy_contact_get_handle (l->data) == self_handle) {
 923                         continue;
 924                 }
 925
 926                 /* We have more than one remote contact, break */
 927                 if (contact != NULL) {
 928                         contact = NULL;
 929                         break;
 930                 }
 931
 932                 /* If we didn't find yet a remote contact, keep this one */
 933                 contact = l->data;
 934         }
 935
 936         if (priv->remote_contact == contact) {
 937                 return;
 938         }
 939
 940         DEBUG ("Changing remote contact from %p to %p",
 941                 priv->remote_contact, contact);
 942
 943         if (priv->remote_contact) {
 944                 g_object_unref (priv->remote_contact);
 945         }
 946
 947         priv->remote_contact = contact ? g_object_ref (contact) : NULL;
 948         g_object_notify (G_OBJECT (chat), "remote-contact");
 949 }
 950
 951 static void
 952 tp_chat_got_added_contacts_cb (TpConnection            *connection,
 953                                guint                    n_contacts,
 954                                EmpathyContact * const * contacts,
 955                                guint                    n_failed,
 956                                const TpHandle          *failed,
 957                                const GError            *error,
 958                                gpointer                 user_data,
 959                                GObject                 *chat)
 960 {
 961         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 962         guint i;
 963         const TpIntSet *members;
 964         TpHandle handle;
 965         EmpathyContact *contact;
 966
 967         if (error) {
 968                 DEBUG ("Error: %s", error->message);
 969                 return;
 970         }
 971
 972         members = tp_channel_group_get_members (priv->channel);
 973         for (i = 0; i < n_contacts; i++) {
 974                 contact = contacts[i];
 975                 handle = empathy_contact_get_handle (contact);
 976
 977                 /* Make sure the contact is still member */
 978                 if (tp_intset_is_member (members, handle)) {
 979                         priv->members = g_list_prepend (priv->members,
 980                                 g_object_ref (contact));
 981                         g_signal_emit_by_name (chat, "members-changed",
 982                                                contact, NULL, 0, NULL, TRUE);
 983                 }
 984         }
 985
 986         tp_chat_update_remote_contact (EMPATHY_TP_CHAT (chat));
 987         check_almost_ready (EMPATHY_TP_CHAT (chat));
 988 }
 989
 990 static EmpathyContact *
 991 chat_lookup_contact (EmpathyTpChat *chat,
 992                      TpHandle       handle,
 993                      gboolean       remove_)
 994 {
 995         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 996         GList *l;
 997
 998         for (l = priv->members; l; l = l->next) {
 999                 EmpathyContact *c = l->data;
1000
1001                 if (empathy_contact_get_handle (c) != handle) {
1002                         continue;
1003                 }
1004
1005                 if (remove_) {
1006                         /* Caller takes the reference. */
1007                         priv->members = g_list_delete_link (priv->members, l);
1008                 } else {
1009                         g_object_ref (c);
1010                 }
1011
1012                 return c;
1013         }
1014
1015         return NULL;
1016 }
1017
1018 typedef struct
1019 {
1020     TpHandle old_handle;
1021     guint reason;
1022     gchar *message;
1023 } ContactRenameData;
1024
1025 static ContactRenameData *
1026 contact_rename_data_new (TpHandle handle,
1027                          guint reason,
1028                          const gchar* message)
1029 {
1030         ContactRenameData *data = g_new (ContactRenameData, 1);
1031         data->old_handle = handle;
1032         data->reason = reason;
1033         data->message = g_strdup (message);
1034
1035         return data;
1036 }
1037
1038 static void
1039 contact_rename_data_free (ContactRenameData* data)
1040 {
1041         g_free (data->message);
1042         g_free (data);
1043 }
1044
1045 static void
1046 tp_chat_got_renamed_contacts_cb (TpConnection            *connection,
1047                                  guint                    n_contacts,
1048                                  EmpathyContact * const * contacts,
1049                                  guint                    n_failed,
1050                                  const TpHandle          *failed,
1051                                  const GError            *error,
1052                                  gpointer                 user_data,
1053                                  GObject                 *chat)
1054 {
1055         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1056         const TpIntSet *members;
1057         TpHandle handle;
1058         EmpathyContact *old = NULL, *new = NULL;
1059         ContactRenameData *rename_data = (ContactRenameData *) user_data;
1060
1061         if (error) {
1062                 DEBUG ("Error: %s", error->message);
1063                 return;
1064         }
1065
1066         /* renamed members can only be delivered one at a time */
1067         g_warn_if_fail (n_contacts == 1);
1068
1069         new = contacts[0];
1070
1071         members = tp_channel_group_get_members (priv->channel);
1072         handle = empathy_contact_get_handle (new);
1073
1074         old = chat_lookup_contact (EMPATHY_TP_CHAT (chat),
1075                                    rename_data->old_handle, TRUE);
1076
1077         /* Make sure the contact is still member */
1078         if (tp_intset_is_member (members, handle)) {
1079                 priv->members = g_list_prepend (priv->members,
1080                         g_object_ref (new));
1081
1082                 if (old != NULL) {
1083                         g_signal_emit_by_name (chat, "member-renamed",
1084                                                old, new, rename_data->reason,
1085                                                rename_data->message);
1086                         g_object_unref (old);
1087                 }
1088         }
1089
1090         if (priv->user == old) {
1091                 /* We change our nick */
1092                 g_object_unref (priv->user);
1093                 priv->user = g_object_ref (new);
1094         }
1095
1096         tp_chat_update_remote_contact (EMPATHY_TP_CHAT (chat));
1097         check_almost_ready (EMPATHY_TP_CHAT (chat));
1098 }
1099
1100
1101 static void
1102 tp_chat_group_members_changed_cb (TpChannel     *self,
1103                                   gchar         *message,
1104                                   GArray        *added,
1105                                   GArray        *removed,
1106                                   GArray        *local_pending,
1107                                   GArray        *remote_pending,
1108                                   guint          actor,
1109                                   guint          reason,
1110                                   EmpathyTpChat *chat)
1111 {
1112         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1113         EmpathyContact *contact;
1114         EmpathyContact *actor_contact = NULL;
1115         guint i;
1116         ContactRenameData *rename_data;
1117         TpHandle old_handle;
1118
1119         /* Contact renamed */
1120         if (reason == TP_CHANNEL_GROUP_CHANGE_REASON_RENAMED) {
1121                 /* there can only be a single 'added' and a single 'removed' handle */
1122                 g_warn_if_fail (removed->len == 1);
1123                 g_warn_if_fail (added->len == 1);
1124
1125                 old_handle = g_array_index (removed, guint, 0);
1126
1127                 rename_data = contact_rename_data_new (old_handle, reason, message);
1128                 empathy_tp_contact_factory_get_from_handles (priv->connection,
1129                         added->len, (TpHandle *) added->data,
1130                         tp_chat_got_renamed_contacts_cb,
1131                         rename_data, (GDestroyNotify) contact_rename_data_free,
1132                         G_OBJECT (chat));
1133                 return;
1134         }
1135
1136         if (actor != 0) {
1137                 actor_contact = chat_lookup_contact (chat, actor, FALSE);
1138                 if (actor_contact == NULL) {
1139                         /* FIXME: handle this a tad more gracefully: perhaps
1140                          * the actor was a server op. We could use the
1141                          * contact-ids detail of MembersChangedDetailed.
1142                          */
1143                         DEBUG ("actor %u not a channel member", actor);
1144                 }
1145         }
1146
1147         /* Remove contacts that are not members anymore */
1148         for (i = 0; i < removed->len; i++) {
1149                 contact = chat_lookup_contact (chat,
1150                         g_array_index (removed, TpHandle, i), TRUE);
1151
1152                 if (contact != NULL) {
1153                         g_signal_emit_by_name (chat, "members-changed", contact,
1154                                                actor_contact, reason, message,
1155                                                FALSE);
1156                         g_object_unref (contact);
1157                 }
1158         }
1159
1160         /* Request added contacts */
1161         if (added->len > 0) {
1162                 empathy_tp_contact_factory_get_from_handles (priv->connection,
1163                         added->len, (TpHandle *) added->data,
1164                         tp_chat_got_added_contacts_cb, NULL, NULL,
1165                         G_OBJECT (chat));
1166         }
1167
1168         tp_chat_update_remote_contact (chat);
1169
1170         if (actor_contact != NULL) {
1171                 g_object_unref (actor_contact);
1172         }
1173 }
1174
1175 static void
1176 tp_chat_got_remote_contact_cb (TpConnection            *connection,
1177                                EmpathyContact          *contact,
1178                                const GError            *error,
1179                                gpointer                 user_data,
1180                                GObject                 *chat)
1181 {
1182         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1183
1184         if (error) {
1185                 DEBUG ("Error: %s", error->message);
1186                 empathy_tp_chat_leave (EMPATHY_TP_CHAT (chat));
1187                 return;
1188         }
1189
1190         priv->remote_contact = g_object_ref (contact);
1191         g_object_notify (chat, "remote-contact");
1192
1193         check_almost_ready (EMPATHY_TP_CHAT (chat));
1194 }
1195
1196 static void
1197 tp_chat_got_self_contact_cb (TpConnection            *connection,
1198                              EmpathyContact          *contact,
1199                              const GError            *error,
1200                              gpointer                 user_data,
1201                              GObject                 *chat)
1202 {
1203         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1204
1205         if (error) {
1206                 DEBUG ("Error: %s", error->message);
1207                 empathy_tp_chat_leave (EMPATHY_TP_CHAT (chat));
1208                 return;
1209         }
1210
1211         priv->user = g_object_ref (contact);
1212         empathy_contact_set_is_user (priv->user, TRUE);
1213         check_almost_ready (EMPATHY_TP_CHAT (chat));
1214 }
1215
1216 static void
1217 password_flags_changed_cb (TpChannel *channel,
1218     guint added,
1219     guint removed,
1220     gpointer user_data,
1221     GObject *weak_object)
1222 {
1223         EmpathyTpChat *self = EMPATHY_TP_CHAT (weak_object);
1224         EmpathyTpChatPriv *priv = GET_PRIV (self);
1225         gboolean was_needed, needed;
1226
1227         was_needed = empathy_tp_chat_password_needed (self);
1228
1229         priv->password_flags |= added;
1230         priv->password_flags ^= removed;
1231
1232         needed = empathy_tp_chat_password_needed (self);
1233
1234         if (was_needed != needed)
1235                 g_object_notify (G_OBJECT (self), "password-needed");
1236 }
1237
1238 static void
1239 got_password_flags_cb (TpChannel *proxy,
1240                              guint password_flags,
1241                              const GError *error,
1242                              gpointer user_data,
1243                              GObject *weak_object)
1244 {
1245         EmpathyTpChat *self = EMPATHY_TP_CHAT (weak_object);
1246         EmpathyTpChatPriv *priv = GET_PRIV (self);
1247
1248         priv->got_password_flags = TRUE;
1249         priv->password_flags = password_flags;
1250
1251         check_almost_ready (EMPATHY_TP_CHAT (self));
1252 }
1253
1254 static GObject *
1255 tp_chat_constructor (GType                  type,
1256                      guint                  n_props,
1257                      GObjectConstructParam *props)
1258 {
1259         GObject           *chat;
1260         EmpathyTpChatPriv *priv;
1261         TpHandle           handle;
1262
1263         chat = G_OBJECT_CLASS (empathy_tp_chat_parent_class)->constructor (type, n_props, props);
1264
1265         priv = GET_PRIV (chat);
1266
1267         priv->connection = g_object_ref (tp_account_get_connection (priv->account));
1268         tp_g_signal_connect_object (priv->channel, "invalidated",
1269                           G_CALLBACK (tp_chat_invalidated_cb),
1270                           chat, 0);
1271
1272         if (tp_proxy_has_interface_by_id (priv->channel,
1273                                           TP_IFACE_QUARK_CHANNEL_INTERFACE_GROUP)) {
1274                 const TpIntSet *members;
1275                 GArray *handles;
1276
1277                 /* Get self contact from the group's self handle */
1278                 handle = tp_channel_group_get_self_handle (priv->channel);
1279                 empathy_tp_contact_factory_get_from_handle (priv->connection,
1280                         handle, tp_chat_got_self_contact_cb,
1281                         NULL, NULL, chat);
1282
1283                 /* Get initial member contacts */
1284                 members = tp_channel_group_get_members (priv->channel);
1285                 handles = tp_intset_to_array (members);
1286                 empathy_tp_contact_factory_get_from_handles (priv->connection,
1287                         handles->len, (TpHandle *) handles->data,
1288                         tp_chat_got_added_contacts_cb, NULL, NULL, chat);
1289
1290                 priv->can_upgrade_to_muc = FALSE;
1291
1292                 tp_g_signal_connect_object (priv->channel, "group-members-changed",
1293                         G_CALLBACK (tp_chat_group_members_changed_cb), chat, 0);
1294         } else {
1295                 EmpathyDispatcher *dispatcher = empathy_dispatcher_dup_singleton ();
1296                 GList *list, *ptr;
1297
1298                 /* Get the self contact from the connection's self handle */
1299                 handle = tp_connection_get_self_handle (priv->connection);
1300                 empathy_tp_contact_factory_get_from_handle (priv->connection,
1301                         handle, tp_chat_got_self_contact_cb,
1302                         NULL, NULL, chat);
1303
1304                 /* Get the remote contact */
1305                 handle = tp_channel_get_handle (priv->channel, NULL);
1306                 empathy_tp_contact_factory_get_from_handle (priv->connection,
1307                         handle, tp_chat_got_remote_contact_cb,
1308                         NULL, NULL, chat);
1309
1310                 list = empathy_dispatcher_find_requestable_channel_classes (
1311                         dispatcher, priv->connection,
1312                         tp_channel_get_channel_type (priv->channel),
1313                         TP_UNKNOWN_HANDLE_TYPE, NULL);
1314
1315                 for (ptr = list; ptr; ptr = ptr->next) {
1316                         GValueArray *array = ptr->data;
1317                         const char **oprops = g_value_get_boxed (
1318                                 g_value_array_get_nth (array, 1));
1319
1320                         if (tp_strv_contains (oprops, EMP_IFACE_CHANNEL_INTERFACE_CONFERENCE ".InitialChannels")) {
1321                                 priv->can_upgrade_to_muc = TRUE;
1322                                 break;
1323                         }
1324                 }
1325
1326                 g_list_free (list);
1327                 g_object_unref (dispatcher);
1328         }
1329
1330         if (tp_proxy_has_interface_by_id (priv->channel,
1331                                           TP_IFACE_QUARK_PROPERTIES_INTERFACE)) {
1332                 tp_cli_properties_interface_call_list_properties (priv->channel, -1,
1333                                                                   tp_chat_list_properties_cb,
1334                                                                   NULL, NULL,
1335                                                                   G_OBJECT (chat));
1336                 tp_cli_properties_interface_connect_to_properties_changed (priv->channel,
1337                                                                            tp_chat_properties_changed_cb,
1338                                                                            NULL, NULL,
1339                                                                            G_OBJECT (chat), NULL);
1340                 tp_cli_properties_interface_connect_to_property_flags_changed (priv->channel,
1341                                                                                tp_chat_property_flags_changed_cb,
1342                                                                                NULL, NULL,
1343                                                                                G_OBJECT (chat), NULL);
1344         }
1345
1346         /* Check if the chat is password protected */
1347         if (tp_proxy_has_interface_by_id (priv->channel,
1348                                           TP_IFACE_QUARK_CHANNEL_INTERFACE_PASSWORD)) {
1349                 priv->got_password_flags = FALSE;
1350
1351                 tp_cli_channel_interface_password_connect_to_password_flags_changed
1352                         (priv->channel, password_flags_changed_cb, chat, NULL,
1353                          G_OBJECT (chat), NULL);
1354
1355                 tp_cli_channel_interface_password_call_get_password_flags
1356                         (priv->channel, -1, got_password_flags_cb, chat, NULL, chat);
1357         } else {
1358                 /* No Password interface, so no need to fetch the password flags */
1359                 priv->got_password_flags = TRUE;
1360         }
1361
1362         return chat;
1363 }
1364
1365 static void
1366 tp_chat_get_property (GObject    *object,
1367                       guint       param_id,
1368                       GValue     *value,
1369                       GParamSpec *pspec)
1370 {
1371         EmpathyTpChat *self = EMPATHY_TP_CHAT (object);
1372         EmpathyTpChatPriv *priv = GET_PRIV (object);
1373
1374         switch (param_id) {
1375         case PROP_ACCOUNT:
1376                 g_value_set_object (value, priv->account);
1377                 break;
1378         case PROP_CHANNEL:
1379                 g_value_set_object (value, priv->channel);
1380                 break;
1381         case PROP_REMOTE_CONTACT:
1382                 g_value_set_object (value, priv->remote_contact);
1383                 break;
1384         case PROP_READY:
1385                 g_value_set_boolean (value, priv->ready);
1386                 break;
1387         case PROP_PASSWORD_NEEDED:
1388                 g_value_set_boolean (value, empathy_tp_chat_password_needed (self));
1389                 break;
1390         default:
1391                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
1392                 break;
1393         };
1394 }
1395
1396 static void
1397 tp_chat_set_property (GObject      *object,
1398                       guint         param_id,
1399                       const GValue *value,
1400                       GParamSpec   *pspec)
1401 {
1402         EmpathyTpChatPriv *priv = GET_PRIV (object);
1403
1404         switch (param_id) {
1405         case PROP_ACCOUNT:
1406                 priv->account = g_value_dup_object (value);
1407                 break;
1408         case PROP_CHANNEL:
1409                 priv->channel = g_value_dup_object (value);
1410                 break;
1411         default:
1412                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
1413                 break;
1414         };
1415 }
1416
1417 static void
1418 empathy_tp_chat_class_init (EmpathyTpChatClass *klass)
1419 {
1420         GObjectClass *object_class = G_OBJECT_CLASS (klass);
1421
1422         object_class->dispose = tp_chat_dispose;
1423         object_class->finalize = tp_chat_finalize;
1424         object_class->constructor = tp_chat_constructor;
1425         object_class->get_property = tp_chat_get_property;
1426         object_class->set_property = tp_chat_set_property;
1427
1428         g_object_class_install_property (object_class,
1429                                          PROP_ACCOUNT,
1430                                          g_param_spec_object ("account",
1431                                                               "TpAccount",
1432                                                               "the account associated with the chat",
1433                                                               TP_TYPE_ACCOUNT,
1434                                                               G_PARAM_READWRITE |
1435                                                               G_PARAM_CONSTRUCT_ONLY |
1436                                                               G_PARAM_STATIC_STRINGS));
1437
1438         g_object_class_install_property (object_class,
1439                                          PROP_CHANNEL,
1440                                          g_param_spec_object ("channel",
1441                                                               "telepathy channel",
1442                                                               "The text channel for the chat",
1443                                                               TP_TYPE_CHANNEL,
1444                                                               G_PARAM_READWRITE |
1445                                                               G_PARAM_CONSTRUCT_ONLY));
1446
1447         g_object_class_install_property (object_class,
1448                                          PROP_REMOTE_CONTACT,
1449                                          g_param_spec_object ("remote-contact",
1450                                                               "The remote contact",
1451                                                               "The remote contact if there is no group iface on the channel",
1452                                                               EMPATHY_TYPE_CONTACT,
1453                                                               G_PARAM_READABLE));
1454
1455         g_object_class_install_property (object_class,
1456                                          PROP_READY,
1457                                          g_param_spec_boolean ("ready",
1458                                                                "Is the object ready",
1459                                                                "This object can't be used until this becomes true",
1460                                                                FALSE,
1461                                                                G_PARAM_READABLE));
1462
1463         g_object_class_install_property (object_class,
1464                                          PROP_PASSWORD_NEEDED,
1465                                          g_param_spec_boolean ("password-needed",
1466                                                                "password needed",
1467                                                                "TRUE if a password is needed to join the channel",
1468                                                                FALSE,
1469                                                                G_PARAM_READABLE));
1470
1471         /* Signals */
1472         signals[MESSAGE_RECEIVED] =
1473                 g_signal_new ("message-received",
1474                               G_TYPE_FROM_CLASS (klass),
1475                               G_SIGNAL_RUN_LAST,
1476                               0,
1477                               NULL, NULL,
1478                               g_cclosure_marshal_VOID__OBJECT,
1479                               G_TYPE_NONE,
1480                               1, EMPATHY_TYPE_MESSAGE);
1481
1482         signals[SEND_ERROR] =
1483                 g_signal_new ("send-error",
1484                               G_TYPE_FROM_CLASS (klass),
1485                               G_SIGNAL_RUN_LAST,
1486                               0,
1487                               NULL, NULL,
1488                               _empathy_marshal_VOID__STRING_UINT,
1489                               G_TYPE_NONE,
1490                               2, G_TYPE_STRING, G_TYPE_UINT);
1491
1492         signals[CHAT_STATE_CHANGED] =
1493                 g_signal_new ("chat-state-changed",
1494                               G_TYPE_FROM_CLASS (klass),
1495                               G_SIGNAL_RUN_LAST,
1496                               0,
1497                               NULL, NULL,
1498                               _empathy_marshal_VOID__OBJECT_UINT,
1499                               G_TYPE_NONE,
1500                               2, EMPATHY_TYPE_CONTACT, G_TYPE_UINT);
1501
1502         signals[PROPERTY_CHANGED] =
1503                 g_signal_new ("property-changed",
1504                               G_TYPE_FROM_CLASS (klass),
1505                               G_SIGNAL_RUN_LAST,
1506                               0,
1507                               NULL, NULL,
1508                               _empathy_marshal_VOID__STRING_BOXED,
1509                               G_TYPE_NONE,
1510                               2, G_TYPE_STRING, G_TYPE_VALUE);
1511
1512         signals[DESTROY] =
1513                 g_signal_new ("destroy",
1514                               G_TYPE_FROM_CLASS (klass),
1515                               G_SIGNAL_RUN_LAST,
1516                               0,
1517                               NULL, NULL,
1518                               g_cclosure_marshal_VOID__VOID,
1519                               G_TYPE_NONE,
1520                               0);
1521
1522         g_type_class_add_private (object_class, sizeof (EmpathyTpChatPriv));
1523 }
1524
1525 static void
1526 empathy_tp_chat_init (EmpathyTpChat *chat)
1527 {
1528         EmpathyTpChatPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (chat,
1529                 EMPATHY_TYPE_TP_CHAT, EmpathyTpChatPriv);
1530
1531         chat->priv = priv;
1532         priv->messages_queue = g_queue_new ();
1533         priv->pending_messages_queue = g_queue_new ();
1534 }
1535
1536 static void
1537 tp_chat_iface_init (EmpathyContactListIface *iface)
1538 {
1539         iface->add         = tp_chat_add;
1540         iface->remove      = tp_chat_remove;
1541         iface->get_members = tp_chat_get_members;
1542 }
1543
1544 EmpathyTpChat *
1545 empathy_tp_chat_new (TpAccount *account,
1546                      TpChannel *channel)
1547 {
1548         g_return_val_if_fail (TP_IS_ACCOUNT (account), NULL);
1549         g_return_val_if_fail (TP_IS_CHANNEL (channel), NULL);
1550
1551         return g_object_new (EMPATHY_TYPE_TP_CHAT,
1552                              "account", account,
1553                              "channel", channel,
1554                              NULL);
1555 }
1556
1557 static void
1558 empathy_tp_chat_close (EmpathyTpChat *chat) {
1559         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1560
1561         /* If there are still messages left, it'll come back..
1562          * We loose the ordering of sent messages though */
1563         tp_cli_channel_call_close (priv->channel, -1, tp_chat_async_cb,
1564                 "closing channel", NULL, NULL);
1565 }
1566
1567 const gchar *
1568 empathy_tp_chat_get_id (EmpathyTpChat *chat)
1569 {
1570         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1571         const gchar *id;
1572
1573
1574         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (chat), NULL);
1575
1576         id = tp_channel_get_identifier (priv->channel);
1577         if (!EMP_STR_EMPTY (id))
1578                 return id;
1579         else if (priv->remote_contact)
1580                 return empathy_contact_get_id (priv->remote_contact);
1581         else
1582                 return NULL;
1583
1584 }
1585
1586 EmpathyContact *
1587 empathy_tp_chat_get_remote_contact (EmpathyTpChat *chat)
1588 {
1589         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1590
1591         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (chat), NULL);
1592         g_return_val_if_fail (priv->ready, NULL);
1593
1594         return priv->remote_contact;
1595 }
1596
1597 TpChannel *
1598 empathy_tp_chat_get_channel (EmpathyTpChat *chat)
1599 {
1600         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1601
1602         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (chat), NULL);
1603
1604         return priv->channel;
1605 }
1606
1607 TpAccount *
1608 empathy_tp_chat_get_account (EmpathyTpChat *chat)
1609 {
1610         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1611
1612         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (chat), NULL);
1613
1614         return priv->account;
1615 }
1616
1617 TpConnection *
1618 empathy_tp_chat_get_connection (EmpathyTpChat *chat)
1619 {
1620         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1621
1622         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (chat), NULL);
1623
1624         return tp_channel_borrow_connection (priv->channel);
1625 }
1626 gboolean
1627 empathy_tp_chat_is_ready (EmpathyTpChat *chat)
1628 {
1629         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1630
1631         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (chat), FALSE);
1632
1633         return priv->ready;
1634 }
1635
1636 void
1637 empathy_tp_chat_send (EmpathyTpChat *chat,
1638                       EmpathyMessage *message)
1639 {
1640         EmpathyTpChatPriv        *priv = GET_PRIV (chat);
1641         const gchar              *message_body;
1642         TpChannelTextMessageType  message_type;
1643
1644         g_return_if_fail (EMPATHY_IS_TP_CHAT (chat));
1645         g_return_if_fail (EMPATHY_IS_MESSAGE (message));
1646         g_return_if_fail (priv->ready);
1647
1648         message_body = empathy_message_get_body (message);
1649         message_type = empathy_message_get_tptype (message);
1650
1651         DEBUG ("Sending message: %s", message_body);
1652         tp_cli_channel_type_text_call_send (priv->channel, -1,
1653                                             message_type,
1654                                             message_body,
1655                                             tp_chat_send_cb,
1656                                             g_object_ref (message),
1657                                             (GDestroyNotify) g_object_unref,
1658                                             G_OBJECT (chat));
1659 }
1660
1661 void
1662 empathy_tp_chat_set_state (EmpathyTpChat      *chat,
1663                            TpChannelChatState  state)
1664 {
1665         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1666
1667         g_return_if_fail (EMPATHY_IS_TP_CHAT (chat));
1668         g_return_if_fail (priv->ready);
1669
1670         if (tp_proxy_has_interface_by_id (priv->channel,
1671                                           TP_IFACE_QUARK_CHANNEL_INTERFACE_CHAT_STATE)) {
1672                 DEBUG ("Set state: %d", state);
1673                 tp_cli_channel_interface_chat_state_call_set_chat_state (priv->channel, -1,
1674                                                                          state,
1675                                                                          tp_chat_async_cb,
1676                                                                          "setting chat state",
1677                                                                          NULL,
1678                                                                          G_OBJECT (chat));
1679         }
1680 }
1681
1682
1683 const GList *
1684 empathy_tp_chat_get_pending_messages (EmpathyTpChat *chat)
1685 {
1686         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1687
1688         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (chat), NULL);
1689         g_return_val_if_fail (priv->ready, NULL);
1690
1691         return priv->pending_messages_queue->head;
1692 }
1693
1694 static void
1695 acknowledge_messages (EmpathyTpChat *chat, GArray *ids) {
1696         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1697
1698         tp_cli_channel_type_text_call_acknowledge_pending_messages (
1699                 priv->channel, -1, ids, tp_chat_async_cb,
1700                 "acknowledging received message", NULL, G_OBJECT (chat));
1701 }
1702
1703 void
1704 empathy_tp_chat_acknowledge_message (EmpathyTpChat *chat,
1705                                      EmpathyMessage *message) {
1706         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1707         GArray *message_ids;
1708         GList *m;
1709         guint id;
1710
1711         g_return_if_fail (EMPATHY_IS_TP_CHAT (chat));
1712         g_return_if_fail (priv->ready);
1713
1714         if (!empathy_message_is_incoming (message))
1715                 goto out;
1716
1717         message_ids = g_array_sized_new (FALSE, FALSE, sizeof (guint), 1);
1718
1719         id = empathy_message_get_id (message);
1720         g_array_append_val (message_ids, id);
1721         acknowledge_messages (chat, message_ids);
1722         g_array_free (message_ids, TRUE);
1723
1724 out:
1725         m = g_queue_find (priv->pending_messages_queue, message);
1726         g_assert (m != NULL);
1727         g_queue_delete_link (priv->pending_messages_queue, m);
1728         g_object_unref (message);
1729 }
1730
1731 void
1732 empathy_tp_chat_acknowledge_messages (EmpathyTpChat *chat,
1733                                       const GSList *messages) {
1734         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1735         /* Copy messages as the messges list (probably is) our own */
1736         GSList *msgs = g_slist_copy ((GSList *) messages);
1737         GSList *l;
1738         guint length;
1739         GArray *message_ids;
1740
1741         g_return_if_fail (EMPATHY_IS_TP_CHAT (chat));
1742         g_return_if_fail (priv->ready);
1743
1744         length = g_slist_length ((GSList *) messages);
1745
1746         if (length == 0)
1747                 return;
1748
1749         message_ids = g_array_sized_new (FALSE, FALSE, sizeof (guint), length);
1750
1751         for (l = msgs; l != NULL; l = g_slist_next (l)) {
1752                 GList *m;
1753
1754                 EmpathyMessage *message = EMPATHY_MESSAGE (l->data);
1755
1756                 m = g_queue_find (priv->pending_messages_queue, message);
1757                 g_assert (m != NULL);
1758                 g_queue_delete_link (priv->pending_messages_queue, m);
1759
1760                 if (empathy_message_is_incoming (message)) {
1761                         guint id = empathy_message_get_id (message);
1762                         g_array_append_val (message_ids, id);
1763                 }
1764                 g_object_unref (message);
1765         }
1766
1767         if (message_ids->len > 0)
1768                 acknowledge_messages (chat, message_ids);
1769
1770         g_array_free (message_ids, TRUE);
1771         g_slist_free (msgs);
1772 }
1773
1774 void
1775 empathy_tp_chat_acknowledge_all_messages (EmpathyTpChat *chat)
1776 {
1777   empathy_tp_chat_acknowledge_messages (chat,
1778     (GSList *) empathy_tp_chat_get_pending_messages (chat));
1779 }
1780
1781 gboolean
1782 empathy_tp_chat_password_needed (EmpathyTpChat *self)
1783 {
1784         EmpathyTpChatPriv *priv = GET_PRIV (self);
1785
1786         return priv->password_flags & TP_CHANNEL_PASSWORD_FLAG_PROVIDE;
1787 }
1788
1789 static void
1790 provide_password_cb (TpChannel *channel,
1791                                       gboolean correct,
1792                                       const GError *error,
1793                                       gpointer user_data,
1794                                       GObject *weak_object)
1795 {
1796         GSimpleAsyncResult *result = user_data;
1797
1798         if (error != NULL) {
1799                 g_simple_async_result_set_from_error (result, error);
1800         }
1801         else if (!correct) {
1802                 /* The current D-Bus API is a bit weird so re-use the
1803                  * AuthenticationFailed error */
1804                 g_simple_async_result_set_error (result, TP_ERRORS,
1805                                                  TP_ERROR_AUTHENTICATION_FAILED, "Wrong password");
1806         }
1807
1808         g_simple_async_result_complete (result);
1809         g_object_unref (result);
1810 }
1811
1812 void
1813 empathy_tp_chat_provide_password_async (EmpathyTpChat *self,
1814                                                      const gchar *password,
1815                                                      GAsyncReadyCallback callback,
1816                                                      gpointer user_data)
1817 {
1818         EmpathyTpChatPriv *priv = GET_PRIV (self);
1819         GSimpleAsyncResult *result;
1820
1821         result = g_simple_async_result_new (G_OBJECT (self),
1822                                             callback, user_data,
1823                                             empathy_tp_chat_provide_password_finish);
1824
1825         tp_cli_channel_interface_password_call_provide_password
1826                 (priv->channel, -1, password, provide_password_cb, result,
1827                  NULL, G_OBJECT (self));
1828 }
1829
1830 gboolean
1831 empathy_tp_chat_provide_password_finish (EmpathyTpChat *self,
1832                                                       GAsyncResult *result,
1833                                                       GError **error)
1834 {
1835         if (g_simple_async_result_propagate_error (G_SIMPLE_ASYNC_RESULT (result),
1836                 error))
1837                 return FALSE;
1838
1839         g_return_val_if_fail (g_simple_async_result_is_valid (result,
1840                                                               G_OBJECT (self), empathy_tp_chat_provide_password_finish), FALSE);
1841
1842         return TRUE;
1843 }
1844
1845 /**
1846  * empathy_tp_chat_can_add_contact:
1847  *
1848  * Returns: %TRUE if empathy_contact_list_add() will work for this channel.
1849  * That is if this chat is a 1-to-1 channel that can be upgraded to
1850  * a MUC using the Conference interface or if the channel is a MUC.
1851  */
1852 gboolean
1853 empathy_tp_chat_can_add_contact (EmpathyTpChat *self)
1854 {
1855         EmpathyTpChatPriv *priv;
1856
1857         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (self), FALSE);
1858
1859         priv = GET_PRIV (self);
1860
1861         return priv->can_upgrade_to_muc ||
1862                 tp_proxy_has_interface_by_id (priv->channel,
1863                         TP_IFACE_QUARK_CHANNEL_INTERFACE_GROUP);;
1864 }
1865
1866 static void
1867 leave_remove_members_cb (TpChannel *proxy,
1868                          const GError *error,
1869                          gpointer user_data,
1870                          GObject *weak_object)
1871 {
1872         EmpathyTpChat *self = user_data;
1873
1874         if (error == NULL)
1875                 return;
1876
1877         DEBUG ("RemoveMembers failed (%s); closing the channel", error->message);
1878         empathy_tp_chat_close (self);
1879 }
1880
1881 void
1882 empathy_tp_chat_leave (EmpathyTpChat *self)
1883 {
1884         EmpathyTpChatPriv *priv = GET_PRIV (self);
1885         TpHandle self_handle;
1886         GArray *array;
1887
1888         if (!tp_proxy_has_interface_by_id (priv->channel,
1889                 TP_IFACE_QUARK_CHANNEL_INTERFACE_GROUP)) {
1890                 empathy_tp_chat_close (self);
1891                 return;
1892         }
1893
1894         self_handle = tp_channel_group_get_self_handle (priv->channel);
1895         if (self_handle == 0) {
1896                 /* we are not member of the channel */
1897                 empathy_tp_chat_close (self);
1898                 return;
1899         }
1900
1901         array = g_array_sized_new (FALSE, FALSE, sizeof (TpHandle), 1);
1902         g_array_insert_val (array, 0, self_handle);
1903
1904         tp_cli_channel_interface_group_call_remove_members (priv->channel, -1, array,
1905                 "", leave_remove_members_cb, self, NULL, G_OBJECT (self));
1906
1907         g_array_free (array, TRUE);
1908 }
1909
1910 static void
1911 add_members_cb (TpChannel *proxy,
1912                 const GError *error,
1913                 gpointer user_data,
1914                 GObject *weak_object)
1915 {
1916         EmpathyTpChatPriv *priv = GET_PRIV (weak_object);
1917
1918         if (error != NULL) {
1919                 DEBUG ("Failed to join chat (%s): %s",
1920                         tp_channel_get_identifier (priv->channel), error->message);
1921         }
1922 }
1923
1924 void
1925 empathy_tp_chat_join (EmpathyTpChat *self)
1926 {
1927         EmpathyTpChatPriv *priv = GET_PRIV (self);
1928         TpHandle self_handle;
1929         GArray *members;
1930
1931         self_handle = tp_channel_group_get_self_handle (priv->channel);
1932
1933         members = g_array_sized_new (FALSE, FALSE, sizeof (TpHandle), 1);
1934         g_array_append_val (members, self_handle);
1935
1936         tp_cli_channel_interface_group_call_add_members (priv->channel, -1, members,
1937                 "", add_members_cb, NULL, NULL, G_OBJECT (self));
1938
1939         g_array_free (members, TRUE);
1940 }
1941
1942 gboolean
1943 empathy_tp_chat_is_invited (EmpathyTpChat *self,
1944                             TpHandle *inviter)
1945 {
1946         EmpathyTpChatPriv *priv = GET_PRIV (self);
1947         TpHandle self_handle;
1948
1949         if (!tp_proxy_has_interface (priv->channel, TP_IFACE_CHANNEL_INTERFACE_GROUP))
1950                 return FALSE;
1951
1952         self_handle = tp_channel_group_get_self_handle (priv->channel);
1953         if (self_handle == 0)
1954                 return FALSE;
1955
1956         return tp_channel_group_get_local_pending_info (priv->channel, self_handle,
1957                 inviter, NULL, NULL);
1958 }