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/channel.h>
  27 #include <telepathy-glib/dbus.h>
  28
  29 #include "empathy-tp-chat.h"
  30 #include "empathy-contact-factory.h"
  31 #include "empathy-marshal.h"
  32 #include "empathy-debug.h"
  33 #include "empathy-time.h"
  34 #include "empathy-utils.h"
  35
  36 #define GET_PRIV(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), \
  37                        EMPATHY_TYPE_TP_CHAT, EmpathyTpChatPriv))
  38
  39 #define DEBUG_DOMAIN "TpChat"
  40
  41 struct _EmpathyTpChatPriv {
  42         EmpathyContactFactory *factory;
  43         EmpathyContact        *user;
  44         McAccount             *account;
  45         TpChannel             *channel;
  46         gchar                 *id;
  47         MissionControl        *mc;
  48         gboolean               acknowledge;
  49         TpChan                *tp_chan;
  50         gboolean               had_pending_messages;
  51         GSList                *message_queue;
  52         GPtrArray             *properties;
  53 };
  54
  55 typedef struct {
  56         gchar  *name;
  57         guint   id;
  58         GValue *value;
  59 } TpChatProperty;
  60
  61 static void empathy_tp_chat_class_init (EmpathyTpChatClass *klass);
  62 static void empathy_tp_chat_init       (EmpathyTpChat      *chat);
  63
  64 enum {
  65         PROP_0,
  66         PROP_ACCOUNT,
  67         PROP_CHANNEL,
  68         PROP_ACKNOWLEDGE,
  69 };
  70
  71 enum {
  72         MESSAGE_RECEIVED,
  73         SEND_ERROR,
  74         CHAT_STATE_CHANGED,
  75         PROPERTY_CHANGED,
  76         DESTROY,
  77         LAST_SIGNAL
  78 };
  79
  80 static guint signals[LAST_SIGNAL];
  81
  82 G_DEFINE_TYPE (EmpathyTpChat, empathy_tp_chat, G_TYPE_OBJECT);
  83
  84 static void
  85 tp_chat_invalidated_cb (TpProxy       *proxy,
  86                         guint          domain,
  87                         gint           code,
  88                         gchar         *message,
  89                         EmpathyTpChat *chat)
  90 {
  91         EmpathyTpChatPriv *priv = GET_PRIV (chat);
  92
  93         empathy_debug (DEBUG_DOMAIN, "Channel invalidated: %s", message);
  94
  95         g_object_unref (priv->channel);
  96         g_object_unref (priv->tp_chan);
  97         priv->channel = NULL;
  98         priv->tp_chan = NULL;
  99
 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                 empathy_debug (DEBUG_DOMAIN, "Error %s: %s",
 111                                user_data, error->message);
 112         }
 113 }
 114
 115 static EmpathyMessage *
 116 tp_chat_build_message (EmpathyTpChat *chat,
 117                        guint          type,
 118                        guint          timestamp,
 119                        guint          from_handle,
 120                        const gchar   *message_body)
 121 {
 122         EmpathyTpChatPriv *priv;
 123         EmpathyMessage    *message;
 124         EmpathyContact    *sender;
 125
 126         priv = GET_PRIV (chat);
 127
 128         if (from_handle == 0) {
 129                 sender = g_object_ref (priv->user);
 130         } else {
 131                 sender = empathy_contact_factory_get_from_handle (priv->factory,
 132                                                                   priv->account,
 133                                                                   from_handle);
 134         }
 135
 136         message = empathy_message_new (message_body);
 137         empathy_message_set_type (message, type);
 138         empathy_message_set_sender (message, sender);
 139         empathy_message_set_receiver (message, priv->user);
 140         empathy_message_set_timestamp (message, timestamp);
 141
 142         g_object_unref (sender);
 143
 144         return message;
 145 }
 146
 147 static void
 148 tp_chat_sender_ready_notify_cb (EmpathyContact *contact,
 149                                 GParamSpec     *param_spec,
 150                                 EmpathyTpChat  *chat)
 151 {
 152         EmpathyTpChatPriv   *priv = GET_PRIV (chat);
 153         EmpathyMessage      *message;
 154         EmpathyContactReady  ready;
 155         EmpathyContact      *sender;
 156         gboolean             removed = FALSE;
 157
 158         /* Emit all messages queued until we find a message with not
 159          * ready sender. When leaving this loop, sender is the first not ready
 160          * contact queued and removed tells if at least one message got removed
 161          * from the queue. */
 162         while (priv->message_queue) {
 163                 message = priv->message_queue->data;
 164                 sender = empathy_message_get_sender (message);
 165                 ready = empathy_contact_get_ready (sender);
 166
 167                 if (!(ready & EMPATHY_CONTACT_READY_NAME)) {
 168                         break;
 169                 }
 170
 171                 empathy_debug (DEBUG_DOMAIN, "Queued message ready");
 172                 g_signal_emit (chat, signals[MESSAGE_RECEIVED], 0, message);
 173                 priv->message_queue = g_slist_remove (priv->message_queue,
 174                                                       message);
 175                 g_object_unref (message);
 176                 removed = TRUE;
 177         }
 178
 179         if (removed) {
 180                 g_signal_handlers_disconnect_by_func (contact,
 181                                                       tp_chat_sender_ready_notify_cb,
 182                                                       chat);
 183
 184                 if (priv->message_queue) {
 185                         g_signal_connect (sender, "notify::ready",
 186                                           G_CALLBACK (tp_chat_sender_ready_notify_cb),
 187                                           chat);
 188                 }
 189         }
 190 }
 191
 192 static void
 193 tp_chat_emit_or_queue_message (EmpathyTpChat  *chat,
 194                                EmpathyMessage *message)
 195 {
 196         EmpathyTpChatPriv   *priv = GET_PRIV (chat);
 197         EmpathyContact      *sender;
 198         EmpathyContactReady  ready;
 199
 200         if (priv->message_queue != NULL) {
 201                 empathy_debug (DEBUG_DOMAIN, "Message queue not empty");
 202                 priv->message_queue = g_slist_append (priv->message_queue,
 203                                                       g_object_ref (message));
 204                 return;
 205         }
 206
 207         sender = empathy_message_get_sender (message);
 208         ready = empathy_contact_get_ready (sender);
 209         if (ready & EMPATHY_CONTACT_READY_NAME) {
 210                 empathy_debug (DEBUG_DOMAIN, "Message queue empty and sender ready");
 211                 g_signal_emit (chat, signals[MESSAGE_RECEIVED], 0, message);
 212                 return;
 213         }
 214
 215         empathy_debug (DEBUG_DOMAIN, "Sender not ready");
 216         priv->message_queue = g_slist_append (priv->message_queue,
 217                                               g_object_ref (message));
 218         g_signal_connect (sender, "notify::ready",
 219                           G_CALLBACK (tp_chat_sender_ready_notify_cb),
 220                           chat);
 221 }
 222
 223 static void
 224 tp_chat_received_cb (TpChannel   *channel,
 225                      guint        message_id,
 226                      guint        timestamp,
 227                      guint        from_handle,
 228                      guint        message_type,
 229                      guint        message_flags,
 230                      const gchar *message_body,
 231                      gpointer     user_data,
 232                      GObject     *chat)
 233 {
 234         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 235         EmpathyMessage    *message;
 236
 237         if (!priv->had_pending_messages) {
 238                 return;
 239         }
 240
 241         empathy_debug (DEBUG_DOMAIN, "Message received: %s", message_body);
 242
 243         message = tp_chat_build_message (EMPATHY_TP_CHAT (chat),
 244                                          message_type,
 245                                          timestamp,
 246                                          from_handle,
 247                                          message_body);
 248
 249         tp_chat_emit_or_queue_message (EMPATHY_TP_CHAT (chat), message);
 250         g_object_unref (message);
 251
 252         if (priv->acknowledge) {
 253                 GArray *message_ids;
 254
 255                 message_ids = g_array_new (FALSE, FALSE, sizeof (guint));
 256                 g_array_append_val (message_ids, message_id);
 257                 tp_cli_channel_type_text_call_acknowledge_pending_messages (priv->channel,
 258                                                                             -1,
 259                                                                             message_ids,
 260                                                                             tp_chat_async_cb,
 261                                                                             "acknowledging pending messages",
 262                                                                             NULL,
 263                                                                             chat);
 264                 g_array_free (message_ids, TRUE);
 265         }
 266 }
 267
 268 static void
 269 tp_chat_sent_cb (TpChannel   *channel,
 270                  guint        timestamp,
 271                  guint        message_type,
 272                  const gchar *message_body,
 273                  gpointer     user_data,
 274                  GObject     *chat)
 275 {
 276         EmpathyMessage *message;
 277
 278         empathy_debug (DEBUG_DOMAIN, "Message sent: %s", message_body);
 279
 280         message = tp_chat_build_message (EMPATHY_TP_CHAT (chat),
 281                                          message_type,
 282                                          timestamp,
 283                                          0,
 284                                          message_body);
 285
 286         tp_chat_emit_or_queue_message (EMPATHY_TP_CHAT (chat), message);
 287         g_object_unref (message);
 288 }
 289
 290 static void
 291 tp_chat_send_error_cb (TpChannel   *channel,
 292                        guint        error_code,
 293                        guint        timestamp,
 294                        guint        message_type,
 295                        const gchar *message_body,
 296                        gpointer     user_data,
 297                        GObject     *chat)
 298 {
 299         EmpathyMessage *message;
 300
 301         empathy_debug (DEBUG_DOMAIN, "Message sent error: %s (%d)",
 302                        message_body, error_code);
 303
 304         message = tp_chat_build_message (EMPATHY_TP_CHAT (chat),
 305                                          message_type,
 306                                          timestamp,
 307                                          0,
 308                                          message_body);
 309
 310         g_signal_emit (chat, signals[SEND_ERROR], 0, message, error_code);
 311         g_object_unref (message);
 312 }
 313
 314 static void
 315 tp_chat_state_changed_cb (TpChannel *channel,
 316                           guint      handle,
 317                           guint      state,
 318                           gpointer   user_data,
 319                           GObject   *chat)
 320 {
 321         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 322         EmpathyContact    *contact;
 323
 324         contact = empathy_contact_factory_get_from_handle (priv->factory,
 325                                                            priv->account,
 326                                                            handle);
 327
 328         empathy_debug (DEBUG_DOMAIN, "Chat state changed for %s (%d): %d",
 329                       empathy_contact_get_name (contact),
 330                       handle, state);
 331
 332         g_signal_emit (chat, signals[CHAT_STATE_CHANGED], 0, contact, state);
 333         g_object_unref (contact);
 334 }
 335
 336 static void
 337 tp_chat_list_pending_messages_cb (TpChannel       *channel,
 338                                   const GPtrArray *messages_list,
 339                                   const GError    *error,
 340                                   gpointer         user_data,
 341                                   GObject         *chat)
 342 {
 343         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 344         guint              i;
 345
 346         priv->had_pending_messages = TRUE;
 347
 348         for (i = 0; i < messages_list->len; i++) {
 349                 EmpathyMessage *message;
 350                 GValueArray    *message_struct;
 351                 const gchar    *message_body;
 352                 guint           message_id;
 353                 guint           timestamp;
 354                 guint           from_handle;
 355                 guint           message_type;
 356                 guint           message_flags;
 357
 358                 message_struct = g_ptr_array_index (messages_list, i);
 359
 360                 message_id = g_value_get_uint (g_value_array_get_nth (message_struct, 0));
 361                 timestamp = g_value_get_uint (g_value_array_get_nth (message_struct, 1));
 362                 from_handle = g_value_get_uint (g_value_array_get_nth (message_struct, 2));
 363                 message_type = g_value_get_uint (g_value_array_get_nth (message_struct, 3));
 364                 message_flags = g_value_get_uint (g_value_array_get_nth (message_struct, 4));
 365                 message_body = g_value_get_string (g_value_array_get_nth (message_struct, 5));
 366
 367                 empathy_debug (DEBUG_DOMAIN, "Message pending: %s", message_body);
 368
 369                 message = tp_chat_build_message (EMPATHY_TP_CHAT (chat),
 370                                                  message_type,
 371                                                  timestamp,
 372                                                  from_handle,
 373                                                  message_body);
 374
 375                 tp_chat_emit_or_queue_message (EMPATHY_TP_CHAT (chat), message);
 376                 g_object_unref (message);
 377         }
 378 }
 379
 380 static void
 381 tp_chat_properties_changed_cb (TpProxy         *proxy,
 382                                const GPtrArray *properties,
 383                                gpointer         user_data,
 384                                GObject         *chat)
 385 {
 386         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 387         guint              i, j;
 388
 389         for (i = 0; i < properties->len; i++) {
 390                 GValueArray    *prop_struct;
 391                 TpChatProperty *property;
 392                 guint           id;
 393                 GValue         *src_value;
 394
 395                 prop_struct = g_ptr_array_index (properties, i);
 396                 id = g_value_get_uint (g_value_array_get_nth (prop_struct, 0));
 397                 src_value = g_value_array_get_nth (prop_struct, 1);
 398
 399                 for (j = 0; j < priv->properties->len; j++) {
 400                         property = g_ptr_array_index (priv->properties, j);
 401                         if (property->id == id) {
 402                                 if (property->value) {
 403                                         g_value_unset (property->value);
 404                                 } else {
 405                                         property->value = g_slice_new0 (GValue);
 406                                 }
 407                                 g_value_copy (src_value, property->value);
 408
 409                                 empathy_debug (DEBUG_DOMAIN, "property %s changed",
 410                                                property->name);
 411                                 g_signal_emit (chat, signals[PROPERTY_CHANGED], 0,
 412                                                property->name, property->value);
 413                                 break;
 414                         }
 415                 }
 416         }
 417 }
 418
 419 static void
 420 tp_chat_get_properties_cb (TpProxy         *proxy,
 421                            const GPtrArray *properties,
 422                            const GError    *error,
 423                            gpointer         user_data,
 424                            GObject         *chat)
 425 {
 426         tp_chat_properties_changed_cb (proxy, properties, user_data, chat);
 427 }
 428
 429 static void
 430 tp_chat_list_properties_cb (TpProxy         *proxy,
 431                             const GPtrArray *properties,
 432                             const GError    *error,
 433                             gpointer         user_data,
 434                             GObject         *chat)
 435 {
 436         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 437         GArray            *ids;
 438         guint              i;
 439
 440         ids = g_array_sized_new (FALSE, FALSE, sizeof (guint), properties->len);
 441         priv->properties = g_ptr_array_sized_new (properties->len);
 442         for (i = 0; i < properties->len; i++) {
 443                 GValueArray    *prop_struct;
 444                 TpChatProperty *property;
 445                 guint           id;
 446                 const gchar    *name;
 447
 448                 prop_struct = g_ptr_array_index (properties, i);
 449                 id = g_value_get_uint (g_value_array_get_nth (prop_struct, 0));
 450                 name = g_value_get_string (g_value_array_get_nth (prop_struct, 1));
 451
 452                 property = g_slice_new0 (TpChatProperty);
 453                 property->id = id;
 454                 property->name = g_strdup (name);
 455                 g_ptr_array_add (priv->properties, property);
 456                 g_array_append_val (ids, id);
 457         }
 458
 459         tp_cli_properties_interface_call_get_properties (proxy, -1,
 460                                                          ids,
 461                                                          tp_chat_get_properties_cb,
 462                                                          NULL, NULL,
 463                                                          chat);
 464
 465         g_array_free (ids, TRUE);
 466 }
 467
 468 void
 469 empathy_tp_chat_set_property (EmpathyTpChat *chat,
 470                               const GValue  *value)
 471 {
 472         /* FIXME: not implemented */
 473 }
 474
 475 static gboolean
 476 tp_chat_channel_ready_cb (EmpathyTpChat *chat)
 477 {
 478         EmpathyTpChatPriv *priv = GET_PRIV (chat);
 479
 480         empathy_debug (DEBUG_DOMAIN, "Channel ready");
 481
 482         tp_cli_channel_type_text_call_list_pending_messages (priv->channel, -1,
 483                                                              priv->acknowledge,
 484                                                              tp_chat_list_pending_messages_cb,
 485                                                              NULL, NULL,
 486                                                              G_OBJECT (chat));
 487         tp_cli_properties_interface_call_list_properties (priv->channel, -1,
 488                                                           tp_chat_list_properties_cb,
 489                                                           NULL, NULL,
 490                                                           G_OBJECT (chat));
 491
 492
 493         tp_cli_channel_type_text_connect_to_received (priv->channel,
 494                                                       tp_chat_received_cb,
 495                                                       NULL, NULL,
 496                                                       G_OBJECT (chat), NULL);
 497         tp_cli_channel_type_text_connect_to_sent (priv->channel,
 498                                                   tp_chat_sent_cb,
 499                                                   NULL, NULL,
 500                                                   G_OBJECT (chat), NULL);
 501         tp_cli_channel_type_text_connect_to_send_error (priv->channel,
 502                                                         tp_chat_send_error_cb,
 503                                                         NULL, NULL,
 504                                                         G_OBJECT (chat), NULL);
 505         tp_cli_channel_interface_chat_state_connect_to_chat_state_changed (priv->channel,
 506                                                                            tp_chat_state_changed_cb,
 507                                                                            NULL, NULL,
 508                                                                            G_OBJECT (chat), NULL);
 509         tp_cli_channel_interface_chat_state_connect_to_chat_state_changed (priv->channel,
 510                                                                            tp_chat_state_changed_cb,
 511                                                                            NULL, NULL,
 512                                                                            G_OBJECT (chat), NULL);
 513         tp_cli_properties_interface_connect_to_properties_changed (priv->channel,
 514                                                                    tp_chat_properties_changed_cb,
 515                                                                    NULL, NULL,
 516                                                                    G_OBJECT (chat), NULL);
 517
 518         return FALSE;
 519 }
 520
 521 static void
 522 tp_chat_finalize (GObject *object)
 523 {
 524         EmpathyTpChatPriv *priv = GET_PRIV (object);
 525         guint              i;
 526
 527         if (priv->acknowledge && priv->channel) {
 528                 empathy_debug (DEBUG_DOMAIN, "Closing channel...");
 529                 tp_cli_channel_call_close (priv->channel, -1,
 530                                            tp_chat_async_cb,
 531                                            "closing channel", NULL,
 532                                            NULL);
 533         }
 534
 535         if (priv->channel) {
 536                 g_signal_handlers_disconnect_by_func (priv->channel,
 537                                                       tp_chat_invalidated_cb,
 538                                                       object);
 539                 g_object_unref (priv->channel);
 540         }
 541         if (priv->tp_chan) {
 542                 g_object_unref (priv->tp_chan);
 543         }
 544
 545         for (i = 0; i < priv->properties->len; i++) {
 546                 TpChatProperty *property;
 547
 548                 property = g_ptr_array_index (priv->properties, i);
 549                 g_free (property->name);
 550                 g_value_unset (property->value);
 551                 g_slice_free (GValue, property->value);
 552                 g_slice_free (TpChatProperty, property);
 553         }
 554         g_ptr_array_free (priv->properties, TRUE);
 555
 556         g_object_unref (priv->factory);
 557         g_object_unref (priv->user);
 558         g_object_unref (priv->account);
 559         g_object_unref (priv->mc);
 560         g_free (priv->id);
 561
 562         G_OBJECT_CLASS (empathy_tp_chat_parent_class)->finalize (object);
 563 }
 564
 565 static GObject *
 566 tp_chat_constructor (GType                  type,
 567                      guint                  n_props,
 568                      GObjectConstructParam *props)
 569 {
 570         GObject           *chat;
 571         EmpathyTpChatPriv *priv;
 572         gboolean           channel_ready;
 573
 574         chat = G_OBJECT_CLASS (empathy_tp_chat_parent_class)->constructor (type, n_props, props);
 575
 576         priv = GET_PRIV (chat);
 577         priv->factory = empathy_contact_factory_new ();
 578         priv->user = empathy_contact_factory_get_user (priv->factory, priv->account);
 579         priv->mc = empathy_mission_control_new ();
 580
 581         g_signal_connect (priv->channel, "invalidated",
 582                           G_CALLBACK (tp_chat_invalidated_cb),
 583                           chat);
 584
 585         g_object_get (priv->channel, "channel-ready", &channel_ready, NULL);
 586         if (channel_ready) {
 587                 /* FIXME: We do that in a cb to let time to set the acknowledge
 588                  * property, this property should be required for construct. */
 589                 g_idle_add ((GSourceFunc) tp_chat_channel_ready_cb, chat);
 590         } else {
 591                 g_signal_connect_swapped (priv->channel, "notify::channel-ready",
 592                                           G_CALLBACK (tp_chat_channel_ready_cb),
 593                                           chat);
 594         }
 595
 596         return chat;
 597 }
 598
 599 static void
 600 tp_chat_get_property (GObject    *object,
 601                       guint       param_id,
 602                       GValue     *value,
 603                       GParamSpec *pspec)
 604 {
 605         EmpathyTpChatPriv *priv = GET_PRIV (object);
 606
 607         switch (param_id) {
 608         case PROP_ACCOUNT:
 609                 g_value_set_object (value, priv->account);
 610                 break;
 611         case PROP_CHANNEL:
 612                 g_value_set_object (value, priv->channel);
 613                 break;
 614         case PROP_ACKNOWLEDGE:
 615                 g_value_set_boolean (value, priv->acknowledge);
 616                 break;
 617         default:
 618                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 619                 break;
 620         };
 621 }
 622
 623 static void
 624 tp_chat_set_property (GObject      *object,
 625                       guint         param_id,
 626                       const GValue *value,
 627                       GParamSpec   *pspec)
 628 {
 629         EmpathyTpChatPriv *priv = GET_PRIV (object);
 630
 631         switch (param_id) {
 632         case PROP_ACCOUNT:
 633                 priv->account = g_object_ref (g_value_get_object (value));
 634                 break;
 635         case PROP_CHANNEL:
 636                 priv->channel = g_object_ref (g_value_get_object (value));
 637                 break;
 638         case PROP_ACKNOWLEDGE:
 639                 empathy_tp_chat_set_acknowledge (EMPATHY_TP_CHAT (object),
 640                                                  g_value_get_boolean (value));
 641                 break;
 642         default:
 643                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 644                 break;
 645         };
 646 }
 647
 648 static void
 649 empathy_tp_chat_class_init (EmpathyTpChatClass *klass)
 650 {
 651         GObjectClass *object_class = G_OBJECT_CLASS (klass);
 652
 653         object_class->finalize = tp_chat_finalize;
 654         object_class->constructor = tp_chat_constructor;
 655         object_class->get_property = tp_chat_get_property;
 656         object_class->set_property = tp_chat_set_property;
 657
 658         /* Construct properties */
 659         g_object_class_install_property (object_class,
 660                                          PROP_ACCOUNT,
 661                                          g_param_spec_object ("account",
 662                                                               "channel Account",
 663                                                               "The account associated with the channel",
 664                                                               MC_TYPE_ACCOUNT,
 665                                                               G_PARAM_READWRITE |
 666                                                               G_PARAM_CONSTRUCT_ONLY));
 667         g_object_class_install_property (object_class,
 668                                          PROP_CHANNEL,
 669                                          g_param_spec_object ("channel",
 670                                                               "telepathy channel",
 671                                                               "The text channel for the chat",
 672                                                               TP_TYPE_CHANNEL,
 673                                                               G_PARAM_READWRITE |
 674                                                               G_PARAM_CONSTRUCT_ONLY));
 675
 676         g_object_class_install_property (object_class,
 677                                          PROP_ACKNOWLEDGE,
 678                                          g_param_spec_boolean ("acknowledge",
 679                                                                "acknowledge messages",
 680                                                                "Wheter or not received messages should be acknowledged",
 681                                                                FALSE,
 682                                                                G_PARAM_READWRITE |
 683                                                                G_PARAM_CONSTRUCT));
 684
 685         /* Signals */
 686         signals[MESSAGE_RECEIVED] =
 687                 g_signal_new ("message-received",
 688                               G_TYPE_FROM_CLASS (klass),
 689                               G_SIGNAL_RUN_LAST,
 690                               0,
 691                               NULL, NULL,
 692                               g_cclosure_marshal_VOID__OBJECT,
 693                               G_TYPE_NONE,
 694                               1, EMPATHY_TYPE_MESSAGE);
 695
 696         signals[SEND_ERROR] =
 697                 g_signal_new ("send-error",
 698                               G_TYPE_FROM_CLASS (klass),
 699                               G_SIGNAL_RUN_LAST,
 700                               0,
 701                               NULL, NULL,
 702                               _empathy_marshal_VOID__OBJECT_UINT,
 703                               G_TYPE_NONE,
 704                               2, EMPATHY_TYPE_MESSAGE, G_TYPE_UINT);
 705
 706         signals[CHAT_STATE_CHANGED] =
 707                 g_signal_new ("chat-state-changed",
 708                               G_TYPE_FROM_CLASS (klass),
 709                               G_SIGNAL_RUN_LAST,
 710                               0,
 711                               NULL, NULL,
 712                               _empathy_marshal_VOID__OBJECT_UINT,
 713                               G_TYPE_NONE,
 714                               2, EMPATHY_TYPE_CONTACT, G_TYPE_UINT);
 715
 716         signals[PROPERTY_CHANGED] =
 717                 g_signal_new ("property-changed",
 718                               G_TYPE_FROM_CLASS (klass),
 719                               G_SIGNAL_RUN_LAST,
 720                               0,
 721                               NULL, NULL,
 722                               _empathy_marshal_VOID__STRING_BOXED,
 723                               G_TYPE_NONE,
 724                               2, G_TYPE_STRING, G_TYPE_VALUE);
 725
 726         signals[DESTROY] =
 727                 g_signal_new ("destroy",
 728                               G_TYPE_FROM_CLASS (klass),
 729                               G_SIGNAL_RUN_LAST,
 730                               0,
 731                               NULL, NULL,
 732                               g_cclosure_marshal_VOID__VOID,
 733                               G_TYPE_NONE,
 734                               0);
 735
 736         g_type_class_add_private (object_class, sizeof (EmpathyTpChatPriv));
 737 }
 738
 739 static void
 740 empathy_tp_chat_init (EmpathyTpChat *chat)
 741 {
 742 }
 743
 744 EmpathyTpChat *
 745 empathy_tp_chat_new (McAccount *account,
 746                      TpChan    *tp_chan)
 747 {
 748         EmpathyTpChat     *chat;
 749         EmpathyTpChatPriv *priv;
 750         TpChannel         *channel;
 751         TpConnection      *connection;
 752         MissionControl    *mc;
 753         TpConn            *tp_conn;
 754
 755         mc = empathy_mission_control_new ();
 756         tp_conn = mission_control_get_connection (mc, account, NULL);
 757         connection = tp_conn_dup_connection (tp_conn);
 758         channel = tp_chan_dup_channel (tp_chan, connection, NULL);
 759
 760         chat = g_object_new (EMPATHY_TYPE_TP_CHAT,
 761                              "account", account,
 762                              "channel", channel,
 763                              NULL);
 764
 765         priv = GET_PRIV (chat);
 766         priv->tp_chan = g_object_ref (tp_chan);
 767
 768         g_object_unref (channel);
 769         g_object_unref (tp_conn);
 770         g_object_unref (connection);
 771         g_object_unref (mc);
 772
 773         return chat;
 774 }
 775
 776 EmpathyTpChat *
 777 empathy_tp_chat_new_with_contact (EmpathyContact *contact)
 778 {
 779         EmpathyTpChat  *chat;
 780         MissionControl *mc;
 781         McAccount      *account;
 782         TpConn         *tp_conn;
 783         TpChan         *text_chan;
 784         const gchar    *bus_name;
 785         guint           handle;
 786
 787         g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), NULL);
 788
 789         mc = empathy_mission_control_new ();
 790         account = empathy_contact_get_account (contact);
 791
 792         if (mission_control_get_connection_status (mc, account, NULL) != 0) {
 793                 /* The account is not connected. */
 794                 return NULL;
 795         }
 796
 797         tp_conn = mission_control_get_connection (mc, account, NULL);
 798         g_return_val_if_fail (tp_conn != NULL, NULL);
 799         bus_name = dbus_g_proxy_get_bus_name (DBUS_G_PROXY (tp_conn));
 800         handle = empathy_contact_get_handle (contact);
 801
 802         text_chan = tp_conn_new_channel (tp_get_bus (),
 803                                          tp_conn,
 804                                          bus_name,
 805                                          TP_IFACE_CHANNEL_TYPE_TEXT,
 806                                          TP_HANDLE_TYPE_CONTACT,
 807                                          handle,
 808                                          TRUE);
 809
 810         chat = empathy_tp_chat_new (account, text_chan);
 811
 812         g_object_unref (tp_conn);
 813         g_object_unref (text_chan);
 814         g_object_unref (mc);
 815
 816         return chat;
 817 }
 818
 819 gboolean
 820 empathy_tp_chat_get_acknowledge (EmpathyTpChat *chat)
 821 {
 822         EmpathyTpChatPriv *priv;
 823
 824         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (chat), FALSE);
 825
 826         priv = GET_PRIV (chat);
 827
 828         return priv->acknowledge;
 829 }
 830
 831 void
 832 empathy_tp_chat_set_acknowledge (EmpathyTpChat *chat,
 833                                  gboolean       acknowledge)
 834 {
 835         EmpathyTpChatPriv *priv;
 836
 837         g_return_if_fail (EMPATHY_IS_TP_CHAT (chat));
 838
 839         priv = GET_PRIV (chat);
 840
 841         priv->acknowledge = acknowledge;
 842         g_object_notify (G_OBJECT (chat), "acknowledge");
 843 }
 844
 845 TpChan *
 846 empathy_tp_chat_get_channel (EmpathyTpChat *chat)
 847 {
 848         EmpathyTpChatPriv *priv;
 849
 850         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (chat), NULL);
 851
 852         priv = GET_PRIV (chat);
 853
 854         return priv->tp_chan;
 855 }
 856
 857 McAccount *
 858 empathy_tp_chat_get_account (EmpathyTpChat *chat)
 859 {
 860         EmpathyTpChatPriv *priv;
 861
 862         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (chat), NULL);
 863
 864         priv = GET_PRIV (chat);
 865
 866         return priv->account;
 867 }
 868
 869 void
 870 empathy_tp_chat_send (EmpathyTpChat *chat,
 871                       EmpathyMessage *message)
 872 {
 873         EmpathyTpChatPriv  *priv;
 874         const gchar        *message_body;
 875         EmpathyMessageType  message_type;
 876
 877         g_return_if_fail (EMPATHY_IS_TP_CHAT (chat));
 878         g_return_if_fail (EMPATHY_IS_MESSAGE (message));
 879
 880         priv = GET_PRIV (chat);
 881
 882         message_body = empathy_message_get_body (message);
 883         message_type = empathy_message_get_type (message);
 884
 885         empathy_debug (DEBUG_DOMAIN, "Sending message: %s", message_body);
 886         tp_cli_channel_type_text_call_send (priv->channel, -1,
 887                                             message_type,
 888                                             message_body,
 889                                             tp_chat_async_cb,
 890                                             "sending message", NULL,
 891                                             G_OBJECT (chat));
 892 }
 893
 894 void
 895 empathy_tp_chat_set_state (EmpathyTpChat      *chat,
 896                            TpChannelChatState  state)
 897 {
 898         EmpathyTpChatPriv *priv;
 899
 900         g_return_if_fail (EMPATHY_IS_TP_CHAT (chat));
 901
 902         priv = GET_PRIV (chat);
 903
 904         empathy_debug (DEBUG_DOMAIN, "Set state: %d", state);
 905         tp_cli_channel_interface_chat_state_call_set_chat_state (priv->channel, -1,
 906                                                                  state,
 907                                                                  tp_chat_async_cb,
 908                                                                  "setting chat state",
 909                                                                  NULL,
 910                                                                  G_OBJECT (chat));
 911 }
 912
 913 const gchar *
 914 empathy_tp_chat_get_id (EmpathyTpChat *chat)
 915 {
 916         EmpathyTpChatPriv *priv;
 917
 918         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (chat), NULL);
 919
 920         priv = GET_PRIV (chat);
 921
 922         if (!priv->id) {
 923                 priv->id = empathy_inspect_channel (priv->account, priv->tp_chan);
 924         }
 925
 926         return priv->id;
 927 }
 928