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-time.h"
  35 #include "empathy-utils.h"
  36
  37 #define DEBUG_FLAG EMPATHY_DEBUG_TP | EMPATHY_DEBUG_CHAT
  38 #include "empathy-debug.h"
  39
  40 #define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyTpChat)
  41 typedef struct {
  42         gboolean               dispose_has_run;
  43         TpAccount             *account;
  44         TpConnection          *connection;
  45         EmpathyContact        *user;
  46         EmpathyContact        *remote_contact;
  47         GList                 *members;
  48         TpChannel             *channel;
  49         gboolean               listing_pending_messages;
  50         /* Queue of messages not signalled yet */
  51         GQueue                *messages_queue;
  52         /* Queue of messages signalled but not acked yet */
  53         GQueue                *pending_messages_queue;
  54         gboolean               had_properties_list;
  55         GPtrArray             *properties;
  56         TpChannelPasswordFlags password_flags;
  57         /* TRUE if we fetched the password flag of the channel or if it's not needed
  58          * (channel doesn't implement the Password interface) */
  59         gboolean               got_password_flags;
  60         gboolean               ready;
  61         gboolean               can_upgrade_to_muc;
  62 } EmpathyTpChatPriv;
  63
  64 static void tp_chat_iface_init         (EmpathyContactListIface *iface);
  65
  66 enum {
  67         PROP_0,
  68         PROP_ACCOUNT,
  69         PROP_CHANNEL,
  70         PROP_REMOTE_CONTACT,
  71         PROP_PASSWORD_NEEDED,
  72         PROP_READY,
  73 };
  74
  75 enum {
  76         MESSAGE_RECEIVED,
  77         SEND_ERROR,
  78         CHAT_STATE_CHANGED,
  79         PROPERTY_CHANGED,
  80         DESTROY,
  81         LAST_SIGNAL
  82 };
  83
  84 static guint signals[LAST_SIGNAL];
  85
  86 G_DEFINE_TYPE_WITH_CODE (EmpathyTpChat, empathy_tp_chat, G_TYPE_OBJECT,
  87                          G_IMPLEMENT_INTERFACE (EMPATHY_TYPE_CONTACT_LIST,
  88                                                 tp_chat_iface_init));
  89
  90 static void acknowledge_messages (EmpathyTpChat *chat, GArray *ids);
  91
  92 static void
  93 tp_chat_invalidated_cb (TpProxy       *proxy,
  94                         guint          domain,
  95                         gint           code,
  96                         gchar         *message,
  97                         EmpathyTpChat *chat)
  98 {
  99         DEBUG ("Channel invalidated: %s", message);
 100         g_signal_emit (chat, signals[DESTROY], 0);
 101 }
 102
 103 static void
 104 tp_chat_async_cb (TpChannel *proxy,
 105                   const GError *error,
 106                   gpointer user_data,
 107                   GObject *weak_object)
 108 {
 109         if (error) {
 110                 DEBUG ("Error %s: %s", (gchar *) user_data, error->message);
 111         }
 112 }
 113
 114 static void
 115 create_conference_cb (GObject *source,
 116                       GAsyncResult *result,
 117                       gpointer user_data)
 118 {
 119         GError *error = NULL;
 120
 121         if (!tp_account_channel_request_create_channel_finish (
 122                         TP_ACCOUNT_CHANNEL_REQUEST (source), result, &error)) {
 123                 DEBUG ("Failed to create conference channel: %s", error->message);
 124                 g_error_free (error);
 125         }
 126 }
 127
 128 static void
 129 tp_chat_add (EmpathyContactList *list,
 130              EmpathyContact     *contact,
 131              const gchar        *message)
 132 {
 133         EmpathyTpChatPriv *priv = GET_PRIV (list);
 134
 135         if (tp_proxy_has_interface_by_id (priv->channel,
 136                 TP_IFACE_QUARK_CHANNEL_INTERFACE_GROUP)) {
 137                 TpHandle           handle;
 138                 GArray             handles = {(gchar *) &handle, 1};
 139
 140                 g_return_if_fail (EMPATHY_IS_TP_CHAT (list));
 141                 g_return_if_fail (EMPATHY_IS_CONTACT (contact));
 142
 143                 handle = empathy_contact_get_handle (contact);
 144                 tp_cli_channel_interface_group_call_add_members (priv->channel,
 145                         -1, &handles, NULL, NULL, NULL, NULL, NULL);
 146         } else if (priv->can_upgrade_to_muc) {
 147                 TpAccountChannelRequest *req;
 148                 GHashTable        *props;
 149                 const char        *object_path;
 150                 GPtrArray          channels = { (gpointer *) &object_path, 1 };
 151                 const char        *invitees[2] = { NULL, };
 152
 153                 invitees[0] = empathy_contact_get_id (contact);
 154                 object_path = tp_proxy_get_object_path (priv->channel);
 155
 156                 props = tp_asv_new (
 157                     TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING,
 158                         TP_IFACE_CHANNEL_TYPE_TEXT,
 159                     TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, G_TYPE_UINT,
 160                         TP_HANDLE_TYPE_NONE,
 161                     TP_PROP_CHANNEL_INTERFACE_CONFERENCE_INITIAL_CHANNELS,
 162                         TP_ARRAY_TYPE_OBJECT_PATH_LIST, &channels,
 163                     TP_PROP_CHANNEL_INTERFACE_CONFERENCE_INITIAL_INVITEE_IDS,
 164                         G_TYPE_STRV, invitees,
 165                     /* FIXME: InvitationMessage ? */
 166                     NULL);
 167
 168                 req = tp_account_channel_request_new (priv->account, props,
 169                         TP_USER_ACTION_TIME_NOT_USER_ACTION);
 170
 171                 /* Although this is a MUC, it's anonymous, so CreateChannel is
 172                  * valid. */
 173                 tp_account_channel_request_create_channel_async (req, NULL, NULL,
 174                         create_conference_cb, NULL);
 175
 176                 g_object_unref (req);
 177                 g_hash_table_unref (props);
 178         } else {
 179                 g_warning ("Cannot add to this channel");
 180         }
 181 }
 182
 183 static void
 184 tp_chat_remove (EmpathyContactList *list,
 185                 EmpathyContact     *contact,
 186                 const gchar        *message)
 187 {
 188         EmpathyTpChatPriv *priv = GET_PRIV (list);
 189         TpHandle           handle;
 190         GArray             handles = {(gchar *) &handle, 1};
 191
 192         g_return_if_fail (EMPATHY_IS_TP_CHAT (list));
 193         g_return_if_fail (EMPATHY_IS_CONTACT (contact));
 194
 195         handle = empathy_contact_get_handle (contact);
 196         tp_cli_channel_interface_group_call_remove_members (priv->channel, -1,
 197                                                             &handles, NULL,
 198                                                             NULL, NULL, NULL,
 199                                                             NULL);
 200 }
 201
 202 static GList *
 203 tp_chat_get_members (EmpathyContactList *list)
 204 {
 205         EmpathyTpChatPriv *priv = GET_PRIV (list);
 206         GList             *members = NULL;
 207
 208         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (list), NULL);
 209
 210         if (priv->members) {
 211                 members = g_list_copy (priv->members);
 212                 g_list_foreach (members, (GFunc) g_object_ref, NULL);
 213         } else {
 214                 members = g_list_prepend (members, g_object_ref (priv->user));
 215                 if (priv->remote_contact != NULL)
 216                         members = g_list_prepend (members, g_object_ref (priv->remote_contact));
 217         }
 218
 219         return members;
 220 }
 221
 222 static void
 223 check_ready (EmpathyTpChat *chat)
 224 {
 225         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 226
 227         if (priv->ready)
 228                 return;
 229
 230         if (g_queue_get_length (priv->messages_queue) > 0)
 231                 return;
 232
 233         DEBUG ("Ready");
 234
 235         priv->ready = TRUE;
 236         g_object_notify (G_OBJECT (chat), "ready");
 237 }
 238
 239 static void
 240 tp_chat_emit_queued_messages (EmpathyTpChat *chat)
 241 {
 242         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 243         EmpathyMessage    *message;
 244
 245         /* Check if we can now emit some queued messages */
 246         while ((message = g_queue_peek_head (priv->messages_queue)) != NULL) {
 247                 if (empathy_message_get_sender (message) == NULL) {
 248                         break;
 249                 }
 250
 251                 DEBUG ("Queued message ready");
 252                 g_queue_pop_head (priv->messages_queue);
 253                 g_queue_push_tail (priv->pending_messages_queue, message);
 254                 g_signal_emit (chat, signals[MESSAGE_RECEIVED], 0, message);
 255         }
 256
 257         check_ready (chat);
 258 }
 259
 260 static void
 261 tp_chat_got_sender_cb (TpConnection            *connection,
 262                        EmpathyContact          *contact,
 263                        const GError            *error,
 264                        gpointer                 message,
 265                        GObject                 *chat)
 266 {
 267         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 268
 269         if (error) {
 270                 DEBUG ("Error: %s", error->message);
 271                 /* Do not block the message queue, just drop this message */
 272                 g_queue_remove (priv->messages_queue, message);
 273         } else {
 274                 empathy_message_set_sender (message, contact);
 275         }
 276
 277         tp_chat_emit_queued_messages (EMPATHY_TP_CHAT (chat));
 278 }
 279
 280 static void
 281 tp_chat_build_message (EmpathyTpChat *chat,
 282                        gboolean       incoming,
 283                        guint          id,
 284                        guint          type,
 285                        guint          timestamp,
 286                        guint          from_handle,
 287                        const gchar   *message_body,
 288                        TpChannelTextMessageFlags flags)
 289 {
 290         EmpathyTpChatPriv *priv;
 291         EmpathyMessage    *message;
 292
 293         priv = GET_PRIV (chat);
 294
 295         message = empathy_message_new (message_body);
 296         empathy_message_set_tptype (message, type);
 297         empathy_message_set_receiver (message, priv->user);
 298         empathy_message_set_timestamp (message, timestamp);
 299         empathy_message_set_id (message, id);
 300         empathy_message_set_incoming (message, incoming);
 301         empathy_message_set_flags (message, flags);
 302
 303         if (flags & TP_CHANNEL_TEXT_MESSAGE_FLAG_SCROLLBACK)
 304                 empathy_message_set_is_backlog (message, TRUE);
 305
 306         g_queue_push_tail (priv->messages_queue, message);
 307
 308         if (from_handle == 0) {
 309                 empathy_message_set_sender (message, priv->user);
 310                 tp_chat_emit_queued_messages (chat);
 311         } else {
 312                 empathy_tp_contact_factory_get_from_handle (priv->connection,
 313                         from_handle,
 314                         tp_chat_got_sender_cb,
 315                         message, NULL, G_OBJECT (chat));
 316         }
 317 }
 318
 319 static void
 320 tp_chat_received_cb (TpChannel   *channel,
 321                      guint        message_id,
 322                      guint        timestamp,
 323                      guint        from_handle,
 324                      guint        message_type,
 325                      guint        message_flags,
 326                      const gchar *message_body,
 327                      gpointer     user_data,
 328                      GObject     *chat_)
 329 {
 330         EmpathyTpChat *chat = EMPATHY_TP_CHAT (chat_);
 331         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 332
 333         if (priv->channel == NULL)
 334                 return;
 335
 336         if (priv->listing_pending_messages) {
 337                 return;
 338         }
 339
 340         DEBUG ("Message received: %s", message_body);
 341
 342         if (message_flags & TP_CHANNEL_TEXT_MESSAGE_FLAG_NON_TEXT_CONTENT &&
 343             !tp_strdiff (message_body, "")) {
 344                 GArray *ids;
 345
 346                 DEBUG ("Empty message with NonTextContent, ignoring and acking.");
 347
 348                 ids = g_array_sized_new (FALSE, FALSE, sizeof (guint), 1);
 349                 g_array_append_val (ids, message_id);
 350                 acknowledge_messages (chat, ids);
 351                 g_array_free (ids, TRUE);
 352
 353                 return;
 354         }
 355
 356         tp_chat_build_message (chat,
 357                                TRUE,
 358                                message_id,
 359                                message_type,
 360                                timestamp,
 361                                from_handle,
 362                                message_body,
 363                                message_flags);
 364 }
 365
 366 static void
 367 tp_chat_sent_cb (TpChannel   *channel,
 368                  guint        timestamp,
 369                  guint        message_type,
 370                  const gchar *message_body,
 371                  gpointer     user_data,
 372                  GObject     *chat_)
 373 {
 374         EmpathyTpChat *chat = EMPATHY_TP_CHAT (chat_);
 375         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 376
 377         if (priv->channel == NULL)
 378                 return;
 379
 380         DEBUG ("Message sent: %s", message_body);
 381
 382         tp_chat_build_message (chat,
 383                                FALSE,
 384                                0,
 385                                message_type,
 386                                timestamp,
 387                                0,
 388                                message_body,
 389                                0);
 390 }
 391
 392 static void
 393 tp_chat_send_error_cb (TpChannel   *channel,
 394                        guint        error_code,
 395                        guint        timestamp,
 396                        guint        message_type,
 397                        const gchar *message_body,
 398                        gpointer     user_data,
 399                        GObject     *chat)
 400 {
 401         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 402
 403         if (priv->channel == NULL)
 404                 return;
 405
 406         DEBUG ("Error sending '%s' (%d)", message_body, error_code);
 407
 408         g_signal_emit (chat, signals[SEND_ERROR], 0, message_body, error_code);
 409 }
 410
 411 static void
 412 tp_chat_send_cb (TpChannel    *proxy,
 413                  const GError *error,
 414                  gpointer      user_data,
 415                  GObject      *chat)
 416 {
 417         EmpathyMessage *message = EMPATHY_MESSAGE (user_data);
 418
 419         if (error) {
 420                 DEBUG ("Error: %s", error->message);
 421                 g_signal_emit (chat, signals[SEND_ERROR], 0,
 422                                empathy_message_get_body (message),
 423                                TP_CHANNEL_TEXT_SEND_ERROR_UNKNOWN);
 424         }
 425 }
 426
 427 typedef struct {
 428         EmpathyTpChat *chat;
 429         TpChannelChatState state;
 430 } StateChangedData;
 431
 432 static void
 433 tp_chat_state_changed_got_contact_cb (TpConnection            *connection,
 434                                       EmpathyContact          *contact,
 435                                       const GError            *error,
 436                                       gpointer                 user_data,
 437                                       GObject                 *chat)
 438 {
 439         TpChannelChatState state;
 440
 441         if (error) {
 442                 DEBUG ("Error: %s", error->message);
 443                 return;
 444         }
 445
 446         state = GPOINTER_TO_UINT (user_data);
 447         DEBUG ("Chat state changed for %s (%d): %d",
 448                 empathy_contact_get_alias (contact),
 449                 empathy_contact_get_handle (contact), state);
 450
 451         g_signal_emit (chat, signals[CHAT_STATE_CHANGED], 0, contact, state);
 452 }
 453
 454 static void
 455 tp_chat_state_changed_cb (TpChannel *channel,
 456                           TpHandle   handle,
 457                           TpChannelChatState state,
 458                           gpointer   user_data,
 459                           GObject   *chat)
 460 {
 461         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 462
 463         empathy_tp_contact_factory_get_from_handle (priv->connection, handle,
 464                 tp_chat_state_changed_got_contact_cb, GUINT_TO_POINTER (state),
 465                 NULL, chat);
 466 }
 467
 468 static void
 469 tp_chat_list_pending_messages_cb (TpChannel       *channel,
 470                                   const GPtrArray *messages_list,
 471                                   const GError    *error,
 472                                   gpointer         user_data,
 473                                   GObject         *chat_)
 474 {
 475         EmpathyTpChat     *chat = EMPATHY_TP_CHAT (chat_);
 476         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 477         guint              i;
 478         GArray            *empty_non_text_content_ids = NULL;
 479
 480         priv->listing_pending_messages = FALSE;
 481
 482         if (priv->channel == NULL)
 483                 return;
 484
 485         if (error) {
 486                 DEBUG ("Error listing pending messages: %s", error->message);
 487                 return;
 488         }
 489
 490         for (i = 0; i < messages_list->len; i++) {
 491                 GValueArray    *message_struct;
 492                 const gchar    *message_body;
 493                 guint           message_id;
 494                 guint           timestamp;
 495                 guint           from_handle;
 496                 guint           message_type;
 497                 guint           message_flags;
 498
 499                 message_struct = g_ptr_array_index (messages_list, i);
 500
 501                 message_id = g_value_get_uint (g_value_array_get_nth (message_struct, 0));
 502                 timestamp = g_value_get_uint (g_value_array_get_nth (message_struct, 1));
 503                 from_handle = g_value_get_uint (g_value_array_get_nth (message_struct, 2));
 504                 message_type = g_value_get_uint (g_value_array_get_nth (message_struct, 3));
 505                 message_flags = g_value_get_uint (g_value_array_get_nth (message_struct, 4));
 506                 message_body = g_value_get_string (g_value_array_get_nth (message_struct, 5));
 507
 508                 DEBUG ("Message pending: %s", message_body);
 509
 510                 if (message_flags & TP_CHANNEL_TEXT_MESSAGE_FLAG_NON_TEXT_CONTENT &&
 511                     !tp_strdiff (message_body, "")) {
 512                         DEBUG ("Empty message with NonTextContent, ignoring and acking.");
 513
 514                         if (empty_non_text_content_ids == NULL) {
 515                                 empty_non_text_content_ids = g_array_new (FALSE, FALSE, sizeof (guint));
 516                         }
 517
 518                         g_array_append_val (empty_non_text_content_ids, message_id);
 519                         continue;
 520                 }
 521
 522                 tp_chat_build_message (chat,
 523                                        TRUE,
 524                                        message_id,
 525                                        message_type,
 526                                        timestamp,
 527                                        from_handle,
 528                                        message_body,
 529                                        message_flags);
 530         }
 531
 532         if (empty_non_text_content_ids != NULL) {
 533                 acknowledge_messages (chat, empty_non_text_content_ids);
 534                 g_array_free (empty_non_text_content_ids, TRUE);
 535         }
 536
 537         check_ready (chat);
 538 }
 539
 540 static void
 541 tp_chat_property_flags_changed_cb (TpProxy         *proxy,
 542                                    const GPtrArray *properties,
 543                                    gpointer         user_data,
 544                                    GObject         *chat)
 545 {
 546         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 547         guint              i, j;
 548
 549         if (priv->channel == NULL)
 550                 return;
 551
 552         if (!priv->had_properties_list || !properties) {
 553                 return;
 554         }
 555
 556         for (i = 0; i < properties->len; i++) {
 557                 GValueArray           *prop_struct;
 558                 EmpathyTpChatProperty *property;
 559                 guint                  id;
 560                 guint                  flags;
 561
 562                 prop_struct = g_ptr_array_index (properties, i);
 563                 id = g_value_get_uint (g_value_array_get_nth (prop_struct, 0));
 564                 flags = g_value_get_uint (g_value_array_get_nth (prop_struct, 1));
 565
 566                 for (j = 0; j < priv->properties->len; j++) {
 567                         property = g_ptr_array_index (priv->properties, j);
 568                         if (property->id == id) {
 569                                 property->flags = flags;
 570                                 DEBUG ("property %s flags changed: %d",
 571                                         property->name, property->flags);
 572                                 break;
 573                         }
 574                 }
 575         }
 576 }
 577
 578 static void
 579 tp_chat_properties_changed_cb (TpProxy         *proxy,
 580                                const GPtrArray *properties,
 581                                gpointer         user_data,
 582                                GObject         *chat)
 583 {
 584         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 585         guint              i, j;
 586
 587         if (priv->channel == NULL)
 588                 return;
 589
 590         if (!priv->had_properties_list || !properties) {
 591                 return;
 592         }
 593
 594         for (i = 0; i < properties->len; i++) {
 595                 GValueArray           *prop_struct;
 596                 EmpathyTpChatProperty *property;
 597                 guint                  id;
 598                 GValue                *src_value;
 599
 600                 prop_struct = g_ptr_array_index (properties, i);
 601                 id = g_value_get_uint (g_value_array_get_nth (prop_struct, 0));
 602                 src_value = g_value_get_boxed (g_value_array_get_nth (prop_struct, 1));
 603
 604                 for (j = 0; j < priv->properties->len; j++) {
 605                         property = g_ptr_array_index (priv->properties, j);
 606                         if (property->id == id) {
 607                                 if (property->value) {
 608                                         g_value_copy (src_value, property->value);
 609                                 } else {
 610                                         property->value = tp_g_value_slice_dup (src_value);
 611                                 }
 612
 613                                 DEBUG ("property %s changed", property->name);
 614                                 g_signal_emit (chat, signals[PROPERTY_CHANGED], 0,
 615                                                property->name, property->value);
 616                                 break;
 617                         }
 618                 }
 619         }
 620 }
 621
 622 static void
 623 tp_chat_get_properties_cb (TpProxy         *proxy,
 624                            const GPtrArray *properties,
 625                            const GError    *error,
 626                            gpointer         user_data,
 627                            GObject         *chat)
 628 {
 629         if (error) {
 630                 DEBUG ("Error getting properties: %s", error->message);
 631                 return;
 632         }
 633
 634         tp_chat_properties_changed_cb (proxy, properties, user_data, chat);
 635 }
 636
 637 static void
 638 tp_chat_list_properties_cb (TpProxy         *proxy,
 639                             const GPtrArray *properties,
 640                             const GError    *error,
 641                             gpointer         user_data,
 642                             GObject         *chat)
 643 {
 644         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 645         GArray            *ids;
 646         guint              i;
 647
 648         if (priv->channel == NULL)
 649                 return;
 650
 651         priv->had_properties_list = TRUE;
 652
 653         if (error) {
 654                 DEBUG ("Error listing properties: %s", error->message);
 655                 return;
 656         }
 657
 658         ids = g_array_sized_new (FALSE, FALSE, sizeof (guint), properties->len);
 659         priv->properties = g_ptr_array_sized_new (properties->len);
 660         for (i = 0; i < properties->len; i++) {
 661                 GValueArray           *prop_struct;
 662                 EmpathyTpChatProperty *property;
 663
 664                 prop_struct = g_ptr_array_index (properties, i);
 665                 property = g_slice_new0 (EmpathyTpChatProperty);
 666                 property->id = g_value_get_uint (g_value_array_get_nth (prop_struct, 0));
 667                 property->name = g_value_dup_string (g_value_array_get_nth (prop_struct, 1));
 668                 property->flags = g_value_get_uint (g_value_array_get_nth (prop_struct, 3));
 669
 670                 DEBUG ("Adding property name=%s id=%d flags=%d",
 671                         property->name, property->id, property->flags);
 672                 g_ptr_array_add (priv->properties, property);
 673                 if (property->flags & TP_PROPERTY_FLAG_READ) {
 674                         g_array_append_val (ids, property->id);
 675                 }
 676         }
 677
 678         tp_cli_properties_interface_call_get_properties (proxy, -1,
 679                                                          ids,
 680                                                          tp_chat_get_properties_cb,
 681                                                          NULL, NULL,
 682                                                          chat);
 683
 684         g_array_free (ids, TRUE);
 685 }
 686
 687 void
 688 empathy_tp_chat_set_property (EmpathyTpChat *chat,
 689                               const gchar   *name,
 690                               const GValue  *value)
 691 {
 692         EmpathyTpChatPriv     *priv = GET_PRIV (chat);
 693         EmpathyTpChatProperty *property;
 694         guint                  i;
 695
 696         if (!priv->had_properties_list) {
 697                 return;
 698         }
 699
 700         for (i = 0; i < priv->properties->len; i++) {
 701                 property = g_ptr_array_index (priv->properties, i);
 702                 if (!tp_strdiff (property->name, name)) {
 703                         GPtrArray   *properties;
 704                         GValueArray *prop;
 705                         GValue       id = {0, };
 706                         GValue       dest_value = {0, };
 707
 708                         if (!(property->flags & TP_PROPERTY_FLAG_WRITE)) {
 709                                 break;
 710                         }
 711
 712                         g_value_init (&id, G_TYPE_UINT);
 713                         g_value_init (&dest_value, G_TYPE_VALUE);
 714                         g_value_set_uint (&id, property->id);
 715                         g_value_set_boxed (&dest_value, value);
 716
 717                         prop = g_value_array_new (2);
 718                         g_value_array_append (prop, &id);
 719                         g_value_array_append (prop, &dest_value);
 720
 721                         properties = g_ptr_array_sized_new (1);
 722                         g_ptr_array_add (properties, prop);
 723
 724                         DEBUG ("Set property %s", name);
 725                         tp_cli_properties_interface_call_set_properties (priv->channel, -1,
 726                                                                          properties,
 727                                                                          (tp_cli_properties_interface_callback_for_set_properties)
 728                                                                          tp_chat_async_cb,
 729                                                                          "Seting property", NULL,
 730                                                                          G_OBJECT (chat));
 731
 732                         g_ptr_array_free (properties, TRUE);
 733                         g_value_array_free (prop);
 734
 735                         break;
 736                 }
 737         }
 738 }
 739
 740 EmpathyTpChatProperty *
 741 empathy_tp_chat_get_property (EmpathyTpChat *chat,
 742                               const gchar   *name)
 743 {
 744         EmpathyTpChatPriv     *priv = GET_PRIV (chat);
 745         EmpathyTpChatProperty *property;
 746         guint                  i;
 747
 748         if (!priv->had_properties_list) {
 749                 return NULL;
 750         }
 751
 752         for (i = 0; i < priv->properties->len; i++) {
 753                 property = g_ptr_array_index (priv->properties, i);
 754                 if (!tp_strdiff (property->name, name)) {
 755                         return property;
 756                 }
 757         }
 758
 759         return NULL;
 760 }
 761
 762 GPtrArray *
 763 empathy_tp_chat_get_properties (EmpathyTpChat *chat)
 764 {
 765         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 766
 767         return priv->properties;
 768 }
 769
 770 static void
 771 tp_chat_dispose (GObject *object)
 772 {
 773         EmpathyTpChat *self = EMPATHY_TP_CHAT (object);
 774         EmpathyTpChatPriv *priv = GET_PRIV (self);
 775
 776         if (priv->dispose_has_run)
 777                 return;
 778
 779         priv->dispose_has_run = TRUE;
 780
 781         tp_clear_object (&priv->account);
 782
 783         if (priv->connection != NULL)
 784                 g_object_unref (priv->connection);
 785         priv->connection = NULL;
 786
 787         if (priv->channel != NULL) {
 788                 g_signal_handlers_disconnect_by_func (priv->channel,
 789                         tp_chat_invalidated_cb, self);
 790                 g_object_unref (priv->channel);
 791         }
 792         priv->channel = NULL;
 793
 794         if (priv->remote_contact != NULL)
 795                 g_object_unref (priv->remote_contact);
 796         priv->remote_contact = NULL;
 797
 798         if (priv->user != NULL)
 799                 g_object_unref (priv->user);
 800         priv->user = NULL;
 801
 802         g_queue_foreach (priv->messages_queue, (GFunc) g_object_unref, NULL);
 803         g_queue_clear (priv->messages_queue);
 804
 805         g_queue_foreach (priv->pending_messages_queue,
 806                 (GFunc) g_object_unref, NULL);
 807         g_queue_clear (priv->pending_messages_queue);
 808
 809         if (G_OBJECT_CLASS (empathy_tp_chat_parent_class)->dispose)
 810                 G_OBJECT_CLASS (empathy_tp_chat_parent_class)->dispose (object);
 811 }
 812
 813 static void
 814 tp_chat_finalize (GObject *object)
 815 {
 816         EmpathyTpChatPriv *priv = GET_PRIV (object);
 817         guint              i;
 818
 819         DEBUG ("Finalize: %p", object);
 820
 821         if (priv->properties) {
 822                 for (i = 0; i < priv->properties->len; i++) {
 823                         EmpathyTpChatProperty *property;
 824
 825                         property = g_ptr_array_index (priv->properties, i);
 826                         g_free (property->name);
 827                         if (property->value) {
 828                                 tp_g_value_slice_free (property->value);
 829                         }
 830                         g_slice_free (EmpathyTpChatProperty, property);
 831                 }
 832                 g_ptr_array_free (priv->properties, TRUE);
 833         }
 834
 835         g_queue_free (priv->messages_queue);
 836         g_queue_free (priv->pending_messages_queue);
 837
 838         G_OBJECT_CLASS (empathy_tp_chat_parent_class)->finalize (object);
 839 }
 840
 841 static void
 842 check_almost_ready (EmpathyTpChat *chat)
 843 {
 844         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 845
 846         if (priv->ready)
 847                 return;
 848
 849         if (priv->user == NULL)
 850                 return;
 851
 852         if (!priv->got_password_flags)
 853                 return;
 854
 855         /* We need either the members (room) or the remote contact (private chat).
 856          * If the chat is protected by a password we can't get these information so
 857          * consider the chat as ready so it can be presented to the user. */
 858         if (!empathy_tp_chat_password_needed (chat) && priv->members == NULL &&
 859             priv->remote_contact == NULL)
 860                 return;
 861
 862         tp_cli_channel_type_text_connect_to_received (priv->channel,
 863                                                       tp_chat_received_cb,
 864                                                       NULL, NULL,
 865                                                       G_OBJECT (chat), NULL);
 866         priv->listing_pending_messages = TRUE;
 867
 868         /* TpChat will be ready once ListPendingMessages returned and all the messages
 869          * have been added to the pending messages queue. */
 870         tp_cli_channel_type_text_call_list_pending_messages (priv->channel, -1,
 871                                                              FALSE,
 872                                                              tp_chat_list_pending_messages_cb,
 873                                                              NULL, NULL,
 874                                                              G_OBJECT (chat));
 875
 876         tp_cli_channel_type_text_connect_to_sent (priv->channel,
 877                                                   tp_chat_sent_cb,
 878                                                   NULL, NULL,
 879                                                   G_OBJECT (chat), NULL);
 880         tp_cli_channel_type_text_connect_to_send_error (priv->channel,
 881                                                         tp_chat_send_error_cb,
 882                                                         NULL, NULL,
 883                                                         G_OBJECT (chat), NULL);
 884         tp_cli_channel_interface_chat_state_connect_to_chat_state_changed (priv->channel,
 885                                                                            tp_chat_state_changed_cb,
 886                                                                            NULL, NULL,
 887                                                                            G_OBJECT (chat), NULL);
 888 }
 889
 890 static void
 891 tp_chat_update_remote_contact (EmpathyTpChat *chat)
 892 {
 893         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 894         EmpathyContact *contact = NULL;
 895         TpHandle self_handle;
 896         TpHandleType handle_type;
 897         GList *l;
 898
 899         /* If this is a named chatroom, never pretend it is a private chat */
 900         tp_channel_get_handle (priv->channel, &handle_type);
 901         if (handle_type == TP_HANDLE_TYPE_ROOM) {
 902                 return;
 903         }
 904
 905         /* This is an MSN chat, but it's the new style where 1-1 chats don't
 906          * have the group interface. If it has the conference interface, then
 907          * it is indeed a MUC. */
 908         if (tp_proxy_has_interface_by_id (priv->channel,
 909                                           TP_IFACE_QUARK_CHANNEL_INTERFACE_CONFERENCE)) {
 910                 return;
 911         }
 912
 913         /* This is an MSN-like chat where anyone can join the chat at anytime.
 914          * If there is only one non-self contact member, we are in a private
 915          * chat and we set the "remote-contact" property to that contact. If
 916          * there are more, set the "remote-contact" property to NULL and the
 917          * UI will display a contact list. */
 918         self_handle = tp_channel_group_get_self_handle (priv->channel);
 919         for (l = priv->members; l; l = l->next) {
 920                 /* Skip self contact if member */
 921                 if (empathy_contact_get_handle (l->data) == self_handle) {
 922                         continue;
 923                 }
 924
 925                 /* We have more than one remote contact, break */
 926                 if (contact != NULL) {
 927                         contact = NULL;
 928                         break;
 929                 }
 930
 931                 /* If we didn't find yet a remote contact, keep this one */
 932                 contact = l->data;
 933         }
 934
 935         if (priv->remote_contact == contact) {
 936                 return;
 937         }
 938
 939         DEBUG ("Changing remote contact from %p to %p",
 940                 priv->remote_contact, contact);
 941
 942         if (priv->remote_contact) {
 943                 g_object_unref (priv->remote_contact);
 944         }
 945
 946         priv->remote_contact = contact ? g_object_ref (contact) : NULL;
 947         g_object_notify (G_OBJECT (chat), "remote-contact");
 948 }
 949
 950 static void
 951 tp_chat_got_added_contacts_cb (TpConnection            *connection,
 952                                guint                    n_contacts,
 953                                EmpathyContact * const * contacts,
 954                                guint                    n_failed,
 955                                const TpHandle          *failed,
 956                                const GError            *error,
 957                                gpointer                 user_data,
 958                                GObject                 *chat)
 959 {
 960         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 961         guint i;
 962         const TpIntSet *members;
 963         TpHandle handle;
 964         EmpathyContact *contact;
 965
 966         if (error) {
 967                 DEBUG ("Error: %s", error->message);
 968                 return;
 969         }
 970
 971         members = tp_channel_group_get_members (priv->channel);
 972         for (i = 0; i < n_contacts; i++) {
 973                 contact = contacts[i];
 974                 handle = empathy_contact_get_handle (contact);
 975
 976                 /* Make sure the contact is still member */
 977                 if (tp_intset_is_member (members, handle)) {
 978                         priv->members = g_list_prepend (priv->members,
 979                                 g_object_ref (contact));
 980                         g_signal_emit_by_name (chat, "members-changed",
 981                                                contact, NULL, 0, NULL, TRUE);
 982                 }
 983         }
 984
 985         tp_chat_update_remote_contact (EMPATHY_TP_CHAT (chat));
 986         check_almost_ready (EMPATHY_TP_CHAT (chat));
 987 }
 988
 989 static EmpathyContact *
 990 chat_lookup_contact (EmpathyTpChat *chat,
 991                      TpHandle       handle,
 992                      gboolean       remove_)
 993 {
 994         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 995         GList *l;
 996
 997         for (l = priv->members; l; l = l->next) {
 998                 EmpathyContact *c = l->data;
 999
1000                 if (empathy_contact_get_handle (c) != handle) {
1001                         continue;
1002                 }
1003
1004                 if (remove_) {
1005                         /* Caller takes the reference. */
1006                         priv->members = g_list_delete_link (priv->members, l);
1007                 } else {
1008                         g_object_ref (c);
1009                 }
1010
1011                 return c;
1012         }
1013
1014         return NULL;
1015 }
1016
1017 typedef struct
1018 {
1019     TpHandle old_handle;
1020     guint reason;
1021     gchar *message;
1022 } ContactRenameData;
1023
1024 static ContactRenameData *
1025 contact_rename_data_new (TpHandle handle,
1026                          guint reason,
1027                          const gchar* message)
1028 {
1029         ContactRenameData *data = g_new (ContactRenameData, 1);
1030         data->old_handle = handle;
1031         data->reason = reason;
1032         data->message = g_strdup (message);
1033
1034         return data;
1035 }
1036
1037 static void
1038 contact_rename_data_free (ContactRenameData* data)
1039 {
1040         g_free (data->message);
1041         g_free (data);
1042 }
1043
1044 static void
1045 tp_chat_got_renamed_contacts_cb (TpConnection            *connection,
1046                                  guint                    n_contacts,
1047                                  EmpathyContact * const * contacts,
1048                                  guint                    n_failed,
1049                                  const TpHandle          *failed,
1050                                  const GError            *error,
1051                                  gpointer                 user_data,
1052                                  GObject                 *chat)
1053 {
1054         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1055         const TpIntSet *members;
1056         TpHandle handle;
1057         EmpathyContact *old = NULL, *new = NULL;
1058         ContactRenameData *rename_data = (ContactRenameData *) user_data;
1059
1060         if (error) {
1061                 DEBUG ("Error: %s", error->message);
1062                 return;
1063         }
1064
1065         /* renamed members can only be delivered one at a time */
1066         g_warn_if_fail (n_contacts == 1);
1067
1068         new = contacts[0];
1069
1070         members = tp_channel_group_get_members (priv->channel);
1071         handle = empathy_contact_get_handle (new);
1072
1073         old = chat_lookup_contact (EMPATHY_TP_CHAT (chat),
1074                                    rename_data->old_handle, TRUE);
1075
1076         /* Make sure the contact is still member */
1077         if (tp_intset_is_member (members, handle)) {
1078                 priv->members = g_list_prepend (priv->members,
1079                         g_object_ref (new));
1080
1081                 if (old != NULL) {
1082                         g_signal_emit_by_name (chat, "member-renamed",
1083                                                old, new, rename_data->reason,
1084                                                rename_data->message);
1085                         g_object_unref (old);
1086                 }
1087         }
1088
1089         if (priv->user == old) {
1090                 /* We change our nick */
1091                 g_object_unref (priv->user);
1092                 priv->user = g_object_ref (new);
1093         }
1094
1095         tp_chat_update_remote_contact (EMPATHY_TP_CHAT (chat));
1096         check_almost_ready (EMPATHY_TP_CHAT (chat));
1097 }
1098
1099
1100 static void
1101 tp_chat_group_members_changed_cb (TpChannel     *self,
1102                                   gchar         *message,
1103                                   GArray        *added,
1104                                   GArray        *removed,
1105                                   GArray        *local_pending,
1106                                   GArray        *remote_pending,
1107                                   guint          actor,
1108                                   guint          reason,
1109                                   EmpathyTpChat *chat)
1110 {
1111         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1112         EmpathyContact *contact;
1113         EmpathyContact *actor_contact = NULL;
1114         guint i;
1115         ContactRenameData *rename_data;
1116         TpHandle old_handle;
1117
1118         /* Contact renamed */
1119         if (reason == TP_CHANNEL_GROUP_CHANGE_REASON_RENAMED) {
1120                 /* there can only be a single 'added' and a single 'removed' handle */
1121                 if (removed->len != 1 || added->len != 1) {
1122                         g_warning ("RENAMED with %u added, %u removed (expected 1, 1)",
1123                                 added->len, removed->len);
1124                         return;
1125                 }
1126
1127                 old_handle = g_array_index (removed, guint, 0);
1128
1129                 rename_data = contact_rename_data_new (old_handle, reason, message);
1130                 empathy_tp_contact_factory_get_from_handles (priv->connection,
1131                         added->len, (TpHandle *) added->data,
1132                         tp_chat_got_renamed_contacts_cb,
1133                         rename_data, (GDestroyNotify) contact_rename_data_free,
1134                         G_OBJECT (chat));
1135                 return;
1136         }
1137
1138         if (actor != 0) {
1139                 actor_contact = chat_lookup_contact (chat, actor, FALSE);
1140                 if (actor_contact == NULL) {
1141                         /* FIXME: handle this a tad more gracefully: perhaps
1142                          * the actor was a server op. We could use the
1143                          * contact-ids detail of MembersChangedDetailed.
1144                          */
1145                         DEBUG ("actor %u not a channel member", actor);
1146                 }
1147         }
1148
1149         /* Remove contacts that are not members anymore */
1150         for (i = 0; i < removed->len; i++) {
1151                 contact = chat_lookup_contact (chat,
1152                         g_array_index (removed, TpHandle, i), TRUE);
1153
1154                 if (contact != NULL) {
1155                         g_signal_emit_by_name (chat, "members-changed", contact,
1156                                                actor_contact, reason, message,
1157                                                FALSE);
1158                         g_object_unref (contact);
1159                 }
1160         }
1161
1162         /* Request added contacts */
1163         if (added->len > 0) {
1164                 empathy_tp_contact_factory_get_from_handles (priv->connection,
1165                         added->len, (TpHandle *) added->data,
1166                         tp_chat_got_added_contacts_cb, NULL, NULL,
1167                         G_OBJECT (chat));
1168         }
1169
1170         tp_chat_update_remote_contact (chat);
1171
1172         if (actor_contact != NULL) {
1173                 g_object_unref (actor_contact);
1174         }
1175 }
1176
1177 static void
1178 tp_chat_got_remote_contact_cb (TpConnection            *connection,
1179                                EmpathyContact          *contact,
1180                                const GError            *error,
1181                                gpointer                 user_data,
1182                                GObject                 *chat)
1183 {
1184         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1185
1186         if (error) {
1187                 DEBUG ("Error: %s", error->message);
1188                 empathy_tp_chat_leave (EMPATHY_TP_CHAT (chat));
1189                 return;
1190         }
1191
1192         priv->remote_contact = g_object_ref (contact);
1193         g_object_notify (chat, "remote-contact");
1194
1195         check_almost_ready (EMPATHY_TP_CHAT (chat));
1196 }
1197
1198 static void
1199 tp_chat_got_self_contact_cb (TpConnection            *connection,
1200                              EmpathyContact          *contact,
1201                              const GError            *error,
1202                              gpointer                 user_data,
1203                              GObject                 *chat)
1204 {
1205         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1206
1207         if (error) {
1208                 DEBUG ("Error: %s", error->message);
1209                 empathy_tp_chat_leave (EMPATHY_TP_CHAT (chat));
1210                 return;
1211         }
1212
1213         priv->user = g_object_ref (contact);
1214         empathy_contact_set_is_user (priv->user, TRUE);
1215         check_almost_ready (EMPATHY_TP_CHAT (chat));
1216 }
1217
1218 static void
1219 password_flags_changed_cb (TpChannel *channel,
1220     guint added,
1221     guint removed,
1222     gpointer user_data,
1223     GObject *weak_object)
1224 {
1225         EmpathyTpChat *self = EMPATHY_TP_CHAT (weak_object);
1226         EmpathyTpChatPriv *priv = GET_PRIV (self);
1227         gboolean was_needed, needed;
1228
1229         was_needed = empathy_tp_chat_password_needed (self);
1230
1231         priv->password_flags |= added;
1232         priv->password_flags ^= removed;
1233
1234         needed = empathy_tp_chat_password_needed (self);
1235
1236         if (was_needed != needed)
1237                 g_object_notify (G_OBJECT (self), "password-needed");
1238 }
1239
1240 static void
1241 got_password_flags_cb (TpChannel *proxy,
1242                              guint password_flags,
1243                              const GError *error,
1244                              gpointer user_data,
1245                              GObject *weak_object)
1246 {
1247         EmpathyTpChat *self = EMPATHY_TP_CHAT (weak_object);
1248         EmpathyTpChatPriv *priv = GET_PRIV (self);
1249
1250         priv->got_password_flags = TRUE;
1251         priv->password_flags = password_flags;
1252
1253         check_almost_ready (EMPATHY_TP_CHAT (self));
1254 }
1255
1256 static GObject *
1257 tp_chat_constructor (GType                  type,
1258                      guint                  n_props,
1259                      GObjectConstructParam *props)
1260 {
1261         GObject           *chat;
1262         EmpathyTpChatPriv *priv;
1263         TpHandle           handle;
1264
1265         chat = G_OBJECT_CLASS (empathy_tp_chat_parent_class)->constructor (type, n_props, props);
1266
1267         priv = GET_PRIV (chat);
1268
1269         priv->connection = g_object_ref (tp_account_get_connection (priv->account));
1270         tp_g_signal_connect_object (priv->channel, "invalidated",
1271                           G_CALLBACK (tp_chat_invalidated_cb),
1272                           chat, 0);
1273
1274         g_assert (tp_proxy_is_prepared (priv->connection,
1275                 TP_CONNECTION_FEATURE_CAPABILITIES));
1276
1277         if (tp_proxy_has_interface_by_id (priv->channel,
1278                                           TP_IFACE_QUARK_CHANNEL_INTERFACE_GROUP)) {
1279                 const TpIntSet *members;
1280                 GArray *handles;
1281
1282                 /* Get self contact from the group's self handle */
1283                 handle = tp_channel_group_get_self_handle (priv->channel);
1284                 empathy_tp_contact_factory_get_from_handle (priv->connection,
1285                         handle, tp_chat_got_self_contact_cb,
1286                         NULL, NULL, chat);
1287
1288                 /* Get initial member contacts */
1289                 members = tp_channel_group_get_members (priv->channel);
1290                 handles = tp_intset_to_array (members);
1291                 empathy_tp_contact_factory_get_from_handles (priv->connection,
1292                         handles->len, (TpHandle *) handles->data,
1293                         tp_chat_got_added_contacts_cb, NULL, NULL, chat);
1294
1295                 priv->can_upgrade_to_muc = FALSE;
1296
1297                 tp_g_signal_connect_object (priv->channel, "group-members-changed",
1298                         G_CALLBACK (tp_chat_group_members_changed_cb), chat, 0);
1299         } else {
1300                 TpCapabilities *caps;
1301                 GPtrArray *classes;
1302                 guint i;
1303
1304                 /* Get the self contact from the connection's self handle */
1305                 handle = tp_connection_get_self_handle (priv->connection);
1306                 empathy_tp_contact_factory_get_from_handle (priv->connection,
1307                         handle, tp_chat_got_self_contact_cb,
1308                         NULL, NULL, chat);
1309
1310                 /* Get the remote contact */
1311                 handle = tp_channel_get_handle (priv->channel, NULL);
1312                 empathy_tp_contact_factory_get_from_handle (priv->connection,
1313                         handle, tp_chat_got_remote_contact_cb,
1314                         NULL, NULL, chat);
1315
1316                 caps = tp_connection_get_capabilities (priv->connection);
1317                 g_assert (caps != NULL);
1318
1319                 classes = tp_capabilities_get_channel_classes (caps);
1320
1321                 for (i = 0; i < classes->len; i++) {
1322                         GValueArray *array = g_ptr_array_index (classes, i);
1323                         const char **oprops = g_value_get_boxed (
1324                                 g_value_array_get_nth (array, 1));
1325
1326                         if (tp_strv_contains (oprops, TP_PROP_CHANNEL_INTERFACE_CONFERENCE_INITIAL_CHANNELS)) {
1327                                 priv->can_upgrade_to_muc = TRUE;
1328                                 break;
1329                         }
1330                 }
1331         }
1332
1333         if (tp_proxy_has_interface_by_id (priv->channel,
1334                                           TP_IFACE_QUARK_PROPERTIES_INTERFACE)) {
1335                 tp_cli_properties_interface_call_list_properties (priv->channel, -1,
1336                                                                   tp_chat_list_properties_cb,
1337                                                                   NULL, NULL,
1338                                                                   G_OBJECT (chat));
1339                 tp_cli_properties_interface_connect_to_properties_changed (priv->channel,
1340                                                                            tp_chat_properties_changed_cb,
1341                                                                            NULL, NULL,
1342                                                                            G_OBJECT (chat), NULL);
1343                 tp_cli_properties_interface_connect_to_property_flags_changed (priv->channel,
1344                                                                                tp_chat_property_flags_changed_cb,
1345                                                                                NULL, NULL,
1346                                                                                G_OBJECT (chat), NULL);
1347         }
1348
1349         /* Check if the chat is password protected */
1350         if (tp_proxy_has_interface_by_id (priv->channel,
1351                                           TP_IFACE_QUARK_CHANNEL_INTERFACE_PASSWORD)) {
1352                 priv->got_password_flags = FALSE;
1353
1354                 tp_cli_channel_interface_password_connect_to_password_flags_changed
1355                         (priv->channel, password_flags_changed_cb, chat, NULL,
1356                          G_OBJECT (chat), NULL);
1357
1358                 tp_cli_channel_interface_password_call_get_password_flags
1359                         (priv->channel, -1, got_password_flags_cb, chat, NULL, chat);
1360         } else {
1361                 /* No Password interface, so no need to fetch the password flags */
1362                 priv->got_password_flags = TRUE;
1363         }
1364
1365         return chat;
1366 }
1367
1368 static void
1369 tp_chat_get_property (GObject    *object,
1370                       guint       param_id,
1371                       GValue     *value,
1372                       GParamSpec *pspec)
1373 {
1374         EmpathyTpChat *self = EMPATHY_TP_CHAT (object);
1375         EmpathyTpChatPriv *priv = GET_PRIV (object);
1376
1377         switch (param_id) {
1378         case PROP_ACCOUNT:
1379                 g_value_set_object (value, priv->account);
1380                 break;
1381         case PROP_CHANNEL:
1382                 g_value_set_object (value, priv->channel);
1383                 break;
1384         case PROP_REMOTE_CONTACT:
1385                 g_value_set_object (value, priv->remote_contact);
1386                 break;
1387         case PROP_READY:
1388                 g_value_set_boolean (value, priv->ready);
1389                 break;
1390         case PROP_PASSWORD_NEEDED:
1391                 g_value_set_boolean (value, empathy_tp_chat_password_needed (self));
1392                 break;
1393         default:
1394                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
1395                 break;
1396         };
1397 }
1398
1399 static void
1400 tp_chat_set_property (GObject      *object,
1401                       guint         param_id,
1402                       const GValue *value,
1403                       GParamSpec   *pspec)
1404 {
1405         EmpathyTpChatPriv *priv = GET_PRIV (object);
1406
1407         switch (param_id) {
1408         case PROP_ACCOUNT:
1409                 priv->account = g_value_dup_object (value);
1410                 break;
1411         case PROP_CHANNEL:
1412                 priv->channel = g_value_dup_object (value);
1413                 break;
1414         default:
1415                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
1416                 break;
1417         };
1418 }
1419
1420 static void
1421 empathy_tp_chat_class_init (EmpathyTpChatClass *klass)
1422 {
1423         GObjectClass *object_class = G_OBJECT_CLASS (klass);
1424
1425         object_class->dispose = tp_chat_dispose;
1426         object_class->finalize = tp_chat_finalize;
1427         object_class->constructor = tp_chat_constructor;
1428         object_class->get_property = tp_chat_get_property;
1429         object_class->set_property = tp_chat_set_property;
1430
1431         g_object_class_install_property (object_class,
1432                                          PROP_ACCOUNT,
1433                                          g_param_spec_object ("account",
1434                                                               "TpAccount",
1435                                                               "the account associated with the chat",
1436                                                               TP_TYPE_ACCOUNT,
1437                                                               G_PARAM_READWRITE |
1438                                                               G_PARAM_CONSTRUCT_ONLY |
1439                                                               G_PARAM_STATIC_STRINGS));
1440
1441         g_object_class_install_property (object_class,
1442                                          PROP_CHANNEL,
1443                                          g_param_spec_object ("channel",
1444                                                               "telepathy channel",
1445                                                               "The text channel for the chat",
1446                                                               TP_TYPE_CHANNEL,
1447                                                               G_PARAM_READWRITE |
1448                                                               G_PARAM_CONSTRUCT_ONLY));
1449
1450         g_object_class_install_property (object_class,
1451                                          PROP_REMOTE_CONTACT,
1452                                          g_param_spec_object ("remote-contact",
1453                                                               "The remote contact",
1454                                                               "The remote contact if there is no group iface on the channel",
1455                                                               EMPATHY_TYPE_CONTACT,
1456                                                               G_PARAM_READABLE));
1457
1458         g_object_class_install_property (object_class,
1459                                          PROP_READY,
1460                                          g_param_spec_boolean ("ready",
1461                                                                "Is the object ready",
1462                                                                "This object can't be used until this becomes true",
1463                                                                FALSE,
1464                                                                G_PARAM_READABLE));
1465
1466         g_object_class_install_property (object_class,
1467                                          PROP_PASSWORD_NEEDED,
1468                                          g_param_spec_boolean ("password-needed",
1469                                                                "password needed",
1470                                                                "TRUE if a password is needed to join the channel",
1471                                                                FALSE,
1472                                                                G_PARAM_READABLE));
1473
1474         /* Signals */
1475         signals[MESSAGE_RECEIVED] =
1476                 g_signal_new ("message-received",
1477                               G_TYPE_FROM_CLASS (klass),
1478                               G_SIGNAL_RUN_LAST,
1479                               0,
1480                               NULL, NULL,
1481                               g_cclosure_marshal_VOID__OBJECT,
1482                               G_TYPE_NONE,
1483                               1, EMPATHY_TYPE_MESSAGE);
1484
1485         signals[SEND_ERROR] =
1486                 g_signal_new ("send-error",
1487                               G_TYPE_FROM_CLASS (klass),
1488                               G_SIGNAL_RUN_LAST,
1489                               0,
1490                               NULL, NULL,
1491                               _empathy_marshal_VOID__STRING_UINT,
1492                               G_TYPE_NONE,
1493                               2, G_TYPE_STRING, G_TYPE_UINT);
1494
1495         signals[CHAT_STATE_CHANGED] =
1496                 g_signal_new ("chat-state-changed",
1497                               G_TYPE_FROM_CLASS (klass),
1498                               G_SIGNAL_RUN_LAST,
1499                               0,
1500                               NULL, NULL,
1501                               _empathy_marshal_VOID__OBJECT_UINT,
1502                               G_TYPE_NONE,
1503                               2, EMPATHY_TYPE_CONTACT, G_TYPE_UINT);
1504
1505         signals[PROPERTY_CHANGED] =
1506                 g_signal_new ("property-changed",
1507                               G_TYPE_FROM_CLASS (klass),
1508                               G_SIGNAL_RUN_LAST,
1509                               0,
1510                               NULL, NULL,
1511                               _empathy_marshal_VOID__STRING_BOXED,
1512                               G_TYPE_NONE,
1513                               2, G_TYPE_STRING, G_TYPE_VALUE);
1514
1515         signals[DESTROY] =
1516                 g_signal_new ("destroy",
1517                               G_TYPE_FROM_CLASS (klass),
1518                               G_SIGNAL_RUN_LAST,
1519                               0,
1520                               NULL, NULL,
1521                               g_cclosure_marshal_VOID__VOID,
1522                               G_TYPE_NONE,
1523                               0);
1524
1525         g_type_class_add_private (object_class, sizeof (EmpathyTpChatPriv));
1526 }
1527
1528 static void
1529 empathy_tp_chat_init (EmpathyTpChat *chat)
1530 {
1531         EmpathyTpChatPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (chat,
1532                 EMPATHY_TYPE_TP_CHAT, EmpathyTpChatPriv);
1533
1534         chat->priv = priv;
1535         priv->messages_queue = g_queue_new ();
1536         priv->pending_messages_queue = g_queue_new ();
1537 }
1538
1539 static void
1540 tp_chat_iface_init (EmpathyContactListIface *iface)
1541 {
1542         iface->add         = tp_chat_add;
1543         iface->remove      = tp_chat_remove;
1544         iface->get_members = tp_chat_get_members;
1545 }
1546
1547 EmpathyTpChat *
1548 empathy_tp_chat_new (TpAccount *account,
1549                      TpChannel *channel)
1550 {
1551         g_return_val_if_fail (TP_IS_ACCOUNT (account), NULL);
1552         g_return_val_if_fail (TP_IS_CHANNEL (channel), NULL);
1553
1554         return g_object_new (EMPATHY_TYPE_TP_CHAT,
1555                              "account", account,
1556                              "channel", channel,
1557                              NULL);
1558 }
1559
1560 static void
1561 empathy_tp_chat_close (EmpathyTpChat *chat) {
1562         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1563
1564         /* If there are still messages left, it'll come back..
1565          * We loose the ordering of sent messages though */
1566         tp_cli_channel_call_close (priv->channel, -1, tp_chat_async_cb,
1567                 "closing channel", NULL, NULL);
1568 }
1569
1570 const gchar *
1571 empathy_tp_chat_get_id (EmpathyTpChat *chat)
1572 {
1573         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1574         const gchar *id;
1575
1576
1577         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (chat), NULL);
1578
1579         id = tp_channel_get_identifier (priv->channel);
1580         if (!EMP_STR_EMPTY (id))
1581                 return id;
1582         else if (priv->remote_contact)
1583                 return empathy_contact_get_id (priv->remote_contact);
1584         else
1585                 return NULL;
1586
1587 }
1588
1589 EmpathyContact *
1590 empathy_tp_chat_get_remote_contact (EmpathyTpChat *chat)
1591 {
1592         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1593
1594         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (chat), NULL);
1595         g_return_val_if_fail (priv->ready, NULL);
1596
1597         return priv->remote_contact;
1598 }
1599
1600 TpChannel *
1601 empathy_tp_chat_get_channel (EmpathyTpChat *chat)
1602 {
1603         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1604
1605         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (chat), NULL);
1606
1607         return priv->channel;
1608 }
1609
1610 TpAccount *
1611 empathy_tp_chat_get_account (EmpathyTpChat *chat)
1612 {
1613         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1614
1615         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (chat), NULL);
1616
1617         return priv->account;
1618 }
1619
1620 TpConnection *
1621 empathy_tp_chat_get_connection (EmpathyTpChat *chat)
1622 {
1623         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1624
1625         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (chat), NULL);
1626
1627         return tp_channel_borrow_connection (priv->channel);
1628 }
1629 gboolean
1630 empathy_tp_chat_is_ready (EmpathyTpChat *chat)
1631 {
1632         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1633
1634         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (chat), FALSE);
1635
1636         return priv->ready;
1637 }
1638
1639 void
1640 empathy_tp_chat_send (EmpathyTpChat *chat,
1641                       EmpathyMessage *message)
1642 {
1643         EmpathyTpChatPriv        *priv = GET_PRIV (chat);
1644         const gchar              *message_body;
1645         TpChannelTextMessageType  message_type;
1646
1647         g_return_if_fail (EMPATHY_IS_TP_CHAT (chat));
1648         g_return_if_fail (EMPATHY_IS_MESSAGE (message));
1649         g_return_if_fail (priv->ready);
1650
1651         message_body = empathy_message_get_body (message);
1652         message_type = empathy_message_get_tptype (message);
1653
1654         DEBUG ("Sending message: %s", message_body);
1655         tp_cli_channel_type_text_call_send (priv->channel, -1,
1656                                             message_type,
1657                                             message_body,
1658                                             tp_chat_send_cb,
1659                                             g_object_ref (message),
1660                                             (GDestroyNotify) g_object_unref,
1661                                             G_OBJECT (chat));
1662 }
1663
1664 void
1665 empathy_tp_chat_set_state (EmpathyTpChat      *chat,
1666                            TpChannelChatState  state)
1667 {
1668         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1669
1670         g_return_if_fail (EMPATHY_IS_TP_CHAT (chat));
1671         g_return_if_fail (priv->ready);
1672
1673         if (tp_proxy_has_interface_by_id (priv->channel,
1674                                           TP_IFACE_QUARK_CHANNEL_INTERFACE_CHAT_STATE)) {
1675                 DEBUG ("Set state: %d", state);
1676                 tp_cli_channel_interface_chat_state_call_set_chat_state (priv->channel, -1,
1677                                                                          state,
1678                                                                          tp_chat_async_cb,
1679                                                                          "setting chat state",
1680                                                                          NULL,
1681                                                                          G_OBJECT (chat));
1682         }
1683 }
1684
1685
1686 const GList *
1687 empathy_tp_chat_get_pending_messages (EmpathyTpChat *chat)
1688 {
1689         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1690
1691         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (chat), NULL);
1692         g_return_val_if_fail (priv->ready, NULL);
1693
1694         return priv->pending_messages_queue->head;
1695 }
1696
1697 static void
1698 acknowledge_messages (EmpathyTpChat *chat, GArray *ids) {
1699         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1700
1701         tp_cli_channel_type_text_call_acknowledge_pending_messages (
1702                 priv->channel, -1, ids, tp_chat_async_cb,
1703                 "acknowledging received message", NULL, G_OBJECT (chat));
1704 }
1705
1706 void
1707 empathy_tp_chat_acknowledge_message (EmpathyTpChat *chat,
1708                                      EmpathyMessage *message) {
1709         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1710         GArray *message_ids;
1711         GList *m;
1712         guint id;
1713
1714         g_return_if_fail (EMPATHY_IS_TP_CHAT (chat));
1715         g_return_if_fail (priv->ready);
1716
1717         if (!empathy_message_is_incoming (message))
1718                 goto out;
1719
1720         message_ids = g_array_sized_new (FALSE, FALSE, sizeof (guint), 1);
1721
1722         id = empathy_message_get_id (message);
1723         g_array_append_val (message_ids, id);
1724         acknowledge_messages (chat, message_ids);
1725         g_array_free (message_ids, TRUE);
1726
1727 out:
1728         m = g_queue_find (priv->pending_messages_queue, message);
1729         g_assert (m != NULL);
1730         g_queue_delete_link (priv->pending_messages_queue, m);
1731         g_object_unref (message);
1732 }
1733
1734 void
1735 empathy_tp_chat_acknowledge_messages (EmpathyTpChat *chat,
1736                                       const GSList *messages) {
1737         EmpathyTpChatPriv *priv = GET_PRIV (chat);
1738         /* Copy messages as the messges list (probably is) our own */
1739         GSList *msgs = g_slist_copy ((GSList *) messages);
1740         GSList *l;
1741         guint length;
1742         GArray *message_ids;
1743
1744         g_return_if_fail (EMPATHY_IS_TP_CHAT (chat));
1745         g_return_if_fail (priv->ready);
1746
1747         length = g_slist_length ((GSList *) messages);
1748
1749         if (length == 0)
1750                 return;
1751
1752         message_ids = g_array_sized_new (FALSE, FALSE, sizeof (guint), length);
1753
1754         for (l = msgs; l != NULL; l = g_slist_next (l)) {
1755                 GList *m;
1756
1757                 EmpathyMessage *message = EMPATHY_MESSAGE (l->data);
1758
1759                 m = g_queue_find (priv->pending_messages_queue, message);
1760                 g_assert (m != NULL);
1761                 g_queue_delete_link (priv->pending_messages_queue, m);
1762
1763                 if (empathy_message_is_incoming (message)) {
1764                         guint id = empathy_message_get_id (message);
1765                         g_array_append_val (message_ids, id);
1766                 }
1767                 g_object_unref (message);
1768         }
1769
1770         if (message_ids->len > 0)
1771                 acknowledge_messages (chat, message_ids);
1772
1773         g_array_free (message_ids, TRUE);
1774         g_slist_free (msgs);
1775 }
1776
1777 void
1778 empathy_tp_chat_acknowledge_all_messages (EmpathyTpChat *chat)
1779 {
1780   empathy_tp_chat_acknowledge_messages (chat,
1781     (GSList *) empathy_tp_chat_get_pending_messages (chat));
1782 }
1783
1784 gboolean
1785 empathy_tp_chat_password_needed (EmpathyTpChat *self)
1786 {
1787         EmpathyTpChatPriv *priv = GET_PRIV (self);
1788
1789         return priv->password_flags & TP_CHANNEL_PASSWORD_FLAG_PROVIDE;
1790 }
1791
1792 static void
1793 provide_password_cb (TpChannel *channel,
1794                                       gboolean correct,
1795                                       const GError *error,
1796                                       gpointer user_data,
1797                                       GObject *weak_object)
1798 {
1799         GSimpleAsyncResult *result = user_data;
1800
1801         if (error != NULL) {
1802                 g_simple_async_result_set_from_error (result, error);
1803         }
1804         else if (!correct) {
1805                 /* The current D-Bus API is a bit weird so re-use the
1806                  * AuthenticationFailed error */
1807                 g_simple_async_result_set_error (result, TP_ERRORS,
1808                                                  TP_ERROR_AUTHENTICATION_FAILED, "Wrong password");
1809         }
1810
1811         g_simple_async_result_complete (result);
1812         g_object_unref (result);
1813 }
1814
1815 void
1816 empathy_tp_chat_provide_password_async (EmpathyTpChat *self,
1817                                                      const gchar *password,
1818                                                      GAsyncReadyCallback callback,
1819                                                      gpointer user_data)
1820 {
1821         EmpathyTpChatPriv *priv = GET_PRIV (self);
1822         GSimpleAsyncResult *result;
1823
1824         result = g_simple_async_result_new (G_OBJECT (self),
1825                                             callback, user_data,
1826                                             empathy_tp_chat_provide_password_finish);
1827
1828         tp_cli_channel_interface_password_call_provide_password
1829                 (priv->channel, -1, password, provide_password_cb, result,
1830                  NULL, G_OBJECT (self));
1831 }
1832
1833 gboolean
1834 empathy_tp_chat_provide_password_finish (EmpathyTpChat *self,
1835                                                       GAsyncResult *result,
1836                                                       GError **error)
1837 {
1838         if (g_simple_async_result_propagate_error (G_SIMPLE_ASYNC_RESULT (result),
1839                 error))
1840                 return FALSE;
1841
1842         g_return_val_if_fail (g_simple_async_result_is_valid (result,
1843                                                               G_OBJECT (self), empathy_tp_chat_provide_password_finish), FALSE);
1844
1845         return TRUE;
1846 }
1847
1848 /**
1849  * empathy_tp_chat_can_add_contact:
1850  *
1851  * Returns: %TRUE if empathy_contact_list_add() will work for this channel.
1852  * That is if this chat is a 1-to-1 channel that can be upgraded to
1853  * a MUC using the Conference interface or if the channel is a MUC.
1854  */
1855 gboolean
1856 empathy_tp_chat_can_add_contact (EmpathyTpChat *self)
1857 {
1858         EmpathyTpChatPriv *priv;
1859
1860         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (self), FALSE);
1861
1862         priv = GET_PRIV (self);
1863
1864         return priv->can_upgrade_to_muc ||
1865                 tp_proxy_has_interface_by_id (priv->channel,
1866                         TP_IFACE_QUARK_CHANNEL_INTERFACE_GROUP);;
1867 }
1868
1869 static void
1870 leave_remove_members_cb (TpChannel *proxy,
1871                          const GError *error,
1872                          gpointer user_data,
1873                          GObject *weak_object)
1874 {
1875         EmpathyTpChat *self = user_data;
1876
1877         if (error == NULL)
1878                 return;
1879
1880         DEBUG ("RemoveMembers failed (%s); closing the channel", error->message);
1881         empathy_tp_chat_close (self);
1882 }
1883
1884 void
1885 empathy_tp_chat_leave (EmpathyTpChat *self)
1886 {
1887         EmpathyTpChatPriv *priv = GET_PRIV (self);
1888         TpHandle self_handle;
1889         GArray *array;
1890
1891         if (!tp_proxy_has_interface_by_id (priv->channel,
1892                 TP_IFACE_QUARK_CHANNEL_INTERFACE_GROUP)) {
1893                 empathy_tp_chat_close (self);
1894                 return;
1895         }
1896
1897         self_handle = tp_channel_group_get_self_handle (priv->channel);
1898         if (self_handle == 0) {
1899                 /* we are not member of the channel */
1900                 empathy_tp_chat_close (self);
1901                 return;
1902         }
1903
1904         array = g_array_sized_new (FALSE, FALSE, sizeof (TpHandle), 1);
1905         g_array_insert_val (array, 0, self_handle);
1906
1907         tp_cli_channel_interface_group_call_remove_members (priv->channel, -1, array,
1908                 "", leave_remove_members_cb, self, NULL, G_OBJECT (self));
1909
1910         g_array_free (array, TRUE);
1911 }
1912
1913 static void
1914 add_members_cb (TpChannel *proxy,
1915                 const GError *error,
1916                 gpointer user_data,
1917                 GObject *weak_object)
1918 {
1919         EmpathyTpChatPriv *priv = GET_PRIV (weak_object);
1920
1921         if (error != NULL) {
1922                 DEBUG ("Failed to join chat (%s): %s",
1923                         tp_channel_get_identifier (priv->channel), error->message);
1924         }
1925 }
1926
1927 void
1928 empathy_tp_chat_join (EmpathyTpChat *self)
1929 {
1930         EmpathyTpChatPriv *priv = GET_PRIV (self);
1931         TpHandle self_handle;
1932         GArray *members;
1933
1934         self_handle = tp_channel_group_get_self_handle (priv->channel);
1935
1936         members = g_array_sized_new (FALSE, FALSE, sizeof (TpHandle), 1);
1937         g_array_append_val (members, self_handle);
1938
1939         tp_cli_channel_interface_group_call_add_members (priv->channel, -1, members,
1940                 "", add_members_cb, NULL, NULL, G_OBJECT (self));
1941
1942         g_array_free (members, TRUE);
1943 }
1944
1945 gboolean
1946 empathy_tp_chat_is_invited (EmpathyTpChat *self,
1947                             TpHandle *inviter)
1948 {
1949         EmpathyTpChatPriv *priv = GET_PRIV (self);
1950         TpHandle self_handle;
1951
1952         if (!tp_proxy_has_interface (priv->channel, TP_IFACE_CHANNEL_INTERFACE_GROUP))
1953                 return FALSE;
1954
1955         self_handle = tp_channel_group_get_self_handle (priv->channel);
1956         if (self_handle == 0)
1957                 return FALSE;
1958
1959         return tp_channel_group_get_local_pending_info (priv->channel, self_handle,
1960                 inviter, NULL, NULL);
1961 }