libempathy/empathy-tp-chat.c

   1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
   2 /*
   3  * Copyright (C) 2007 Collabora Ltd.
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License as
   7  * published by the Free Software Foundation; either version 2 of the
   8  * License, or (at your option) any later version.
   9  *
  10  * This program 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  * General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public
  16  * License along with this program; if not, write to the
  17  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18  * Boston, MA 02111-1307, USA.
  19  *
  20  * Authors: Xavier Claessens <xclaesse@gmail.com>
  21  */
  22
  23 #include <config.h>
  24
  25 #include <libtelepathy/tp-helpers.h>
  26 #include <libtelepathy/tp-chan-type-text-gen.h>
  27 #include <libtelepathy/tp-chan-iface-chat-state-gen.h>
  28 #include <libtelepathy/tp-conn.h>
  29
  30 #include "empathy-tp-chat.h"
  31 #include "empathy-contact-manager.h"
  32 #include "empathy-contact-list.h"
  33 #include "empathy-session.h"
  34 #include "empathy-marshal.h"
  35 #include "gossip-debug.h"
  36 #include "gossip-time.h"
  37
  38 #define GET_PRIV(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), \
  39                        EMPATHY_TYPE_TP_CHAT, EmpathyTpChatPriv))
  40
  41 #define DEBUG_DOMAIN "TpChat"
  42
  43 struct _EmpathyTpChatPriv {
  44         EmpathyContactList *list;
  45         McAccount          *account;
  46         gchar              *id;
  47
  48         TpChan             *tp_chan;
  49         DBusGProxy         *text_iface;
  50         DBusGProxy         *chat_state_iface;
  51 };
  52
  53 static void empathy_tp_chat_class_init (EmpathyTpChatClass *klass);
  54 static void empathy_tp_chat_init       (EmpathyTpChat      *chat);
  55 static void tp_chat_finalize           (GObject            *object);
  56 static void tp_chat_destroy_cb         (TpChan             *text_chan,
  57                                         EmpathyTpChat      *chat);
  58 static void tp_chat_received_cb        (DBusGProxy         *text_iface,
  59                                         guint               message_id,
  60                                         guint               timestamp,
  61                                         guint               from_handle,
  62                                         guint               message_type,
  63                                         guint               message_flags,
  64                                         gchar              *message_body,
  65                                         EmpathyTpChat      *chat);
  66 static void tp_chat_sent_cb            (DBusGProxy         *text_iface,
  67                                         guint               timestamp,
  68                                         guint               message_type,
  69                                         gchar              *message_body,
  70                                         EmpathyTpChat      *chat);
  71 static void tp_chat_state_changed_cb   (DBusGProxy         *chat_state_iface,
  72                                         guint               handle,
  73                                         EmpathyTpChatState  state,
  74                                         EmpathyTpChat      *chat);
  75 static void tp_chat_emit_message       (EmpathyTpChat      *chat,
  76                                         guint               type,
  77                                         guint               timestamp,
  78                                         guint               from_handle,
  79                                         const gchar        *message_body);
  80
  81 enum {
  82         MESSAGE_RECEIVED,
  83         CHAT_STATE_CHANGED,
  84         DESTROY,
  85         LAST_SIGNAL
  86 };
  87
  88 static guint signals[LAST_SIGNAL];
  89
  90 G_DEFINE_TYPE (EmpathyTpChat, empathy_tp_chat, G_TYPE_OBJECT);
  91
  92 static void
  93 empathy_tp_chat_class_init (EmpathyTpChatClass *klass)
  94 {
  95         GObjectClass *object_class = G_OBJECT_CLASS (klass);
  96
  97         object_class->finalize = tp_chat_finalize;
  98
  99         signals[MESSAGE_RECEIVED] =
 100                 g_signal_new ("message-received",
 101                               G_TYPE_FROM_CLASS (klass),
 102                               G_SIGNAL_RUN_LAST,
 103                               0,
 104                               NULL, NULL,
 105                               g_cclosure_marshal_VOID__OBJECT,
 106                               G_TYPE_NONE,
 107                               1, GOSSIP_TYPE_MESSAGE);
 108
 109         signals[CHAT_STATE_CHANGED] =
 110                 g_signal_new ("chat-state-changed",
 111                               G_TYPE_FROM_CLASS (klass),
 112                               G_SIGNAL_RUN_LAST,
 113                               0,
 114                               NULL, NULL,
 115                               empathy_marshal_VOID__OBJECT_UINT,
 116                               G_TYPE_NONE,
 117                               2, GOSSIP_TYPE_CONTACT, G_TYPE_UINT);
 118
 119         signals[DESTROY] =
 120                 g_signal_new ("destroy",
 121                               G_TYPE_FROM_CLASS (klass),
 122                               G_SIGNAL_RUN_LAST,
 123                               0,
 124                               NULL, NULL,
 125                               g_cclosure_marshal_VOID__VOID,
 126                               G_TYPE_NONE,
 127                               0);
 128
 129         g_type_class_add_private (object_class, sizeof (EmpathyTpChatPriv));
 130 }
 131
 132 static void
 133 empathy_tp_chat_init (EmpathyTpChat *chat)
 134 {
 135 }
 136
 137
 138 static void
 139 tp_chat_finalize (GObject *object)
 140 {
 141         EmpathyTpChatPriv *priv;
 142         EmpathyTpChat     *chat;
 143         GError            *error = NULL;
 144
 145         chat = EMPATHY_TP_CHAT (object);
 146         priv = GET_PRIV (chat);
 147
 148         if (priv->tp_chan) {
 149                 gossip_debug (DEBUG_DOMAIN, "Closing channel...");
 150
 151                 g_signal_handlers_disconnect_by_func (priv->tp_chan,
 152                                                       tp_chat_destroy_cb,
 153                                                       object);
 154
 155                 if (!tp_chan_close (DBUS_G_PROXY (priv->tp_chan), &error)) {
 156                         gossip_debug (DEBUG_DOMAIN,
 157                                       "Error closing text channel: %s",
 158                                       error ? error->message : "No error given");
 159                         g_clear_error (&error);
 160                 }
 161                 g_object_unref (priv->tp_chan);
 162         }
 163
 164         if (priv->list) {
 165                 g_object_unref (priv->list);
 166         }
 167         if (priv->account) {
 168                 g_object_unref (priv->account);
 169         }
 170         g_free (priv->id);
 171
 172         G_OBJECT_CLASS (empathy_tp_chat_parent_class)->finalize (object);
 173 }
 174
 175 EmpathyTpChat *
 176 empathy_tp_chat_new (McAccount *account,
 177                      TpChan    *tp_chan)
 178 {
 179         EmpathyTpChatPriv     *priv;
 180         EmpathyTpChat         *chat;
 181         EmpathyContactManager *manager;
 182
 183         g_return_val_if_fail (MC_IS_ACCOUNT (account), NULL);
 184         g_return_val_if_fail (TELEPATHY_IS_CHAN (tp_chan), NULL);
 185
 186         chat = g_object_new (EMPATHY_TYPE_TP_CHAT, NULL);
 187         priv = GET_PRIV (chat);
 188
 189         manager = empathy_session_get_contact_manager ();
 190         priv->list = empathy_contact_manager_get_list (manager, account);
 191         priv->tp_chan = g_object_ref (tp_chan);
 192         priv->account = g_object_ref (account);
 193         g_object_ref (priv->list);
 194
 195         priv->text_iface = tp_chan_get_interface (tp_chan,
 196                                                   TELEPATHY_CHAN_IFACE_TEXT_QUARK);
 197         priv->chat_state_iface = tp_chan_get_interface (tp_chan,
 198                                                         TELEPATHY_CHAN_IFACE_CHAT_STATE_QUARK);
 199
 200         g_signal_connect (priv->tp_chan, "destroy",
 201                           G_CALLBACK (tp_chat_destroy_cb),
 202                           chat);
 203         dbus_g_proxy_connect_signal (priv->text_iface, "Received",
 204                                      G_CALLBACK (tp_chat_received_cb),
 205                                      chat, NULL);
 206         dbus_g_proxy_connect_signal (priv->text_iface, "Sent",
 207                                      G_CALLBACK (tp_chat_sent_cb),
 208                                      chat, NULL);
 209
 210         if (priv->chat_state_iface != NULL) {
 211                 dbus_g_proxy_connect_signal (priv->chat_state_iface,
 212                                              "ChatStateChanged",
 213                                              G_CALLBACK (tp_chat_state_changed_cb),
 214                                              chat, NULL);
 215         }
 216
 217         return chat;
 218 }
 219
 220 EmpathyTpChat *
 221 empathy_tp_chat_new_with_contact (GossipContact *contact)
 222 {
 223         EmpathyTpChat  *chat;
 224         MissionControl *mc;
 225         McAccount      *account;
 226         TpConn         *tp_conn;
 227         TpChan         *text_chan;
 228         const gchar    *bus_name;
 229         guint           handle;
 230
 231         g_return_val_if_fail (GOSSIP_IS_CONTACT (contact), NULL);
 232
 233         mc = empathy_session_get_mission_control ();
 234         account = gossip_contact_get_account (contact);
 235
 236         if (mission_control_get_connection_status (mc, account, NULL) != 0) {
 237                 /* The account is not connected, nothing to do. */
 238                 return NULL;
 239         }
 240
 241         tp_conn = mission_control_get_connection (mc, account, NULL);
 242         g_return_val_if_fail (tp_conn != NULL, NULL);
 243         bus_name = dbus_g_proxy_get_bus_name (DBUS_G_PROXY (tp_conn));
 244         handle = gossip_contact_get_handle (contact);
 245
 246         text_chan = tp_conn_new_channel (tp_get_bus (),
 247                                          tp_conn,
 248                                          bus_name,
 249                                          TP_IFACE_CHANNEL_TYPE_TEXT,
 250                                          TP_HANDLE_TYPE_CONTACT,
 251                                          handle,
 252                                          TRUE);
 253
 254         chat = empathy_tp_chat_new (account, text_chan);
 255
 256         g_object_unref (tp_conn);
 257         g_object_unref (text_chan);
 258
 259         return chat;
 260 }
 261
 262 void
 263 empathy_tp_chat_request_pending (EmpathyTpChat *chat)
 264 {
 265         EmpathyTpChatPriv *priv;
 266         GPtrArray         *messages_list;
 267         guint              i;
 268         GError            *error = NULL;
 269
 270         g_return_if_fail (EMPATHY_IS_TP_CHAT (chat));
 271
 272         priv = GET_PRIV (chat);
 273
 274         /* If we do this call async, don't forget to ignore Received signal
 275          * until we get the answer */
 276         if (!tp_chan_type_text_list_pending_messages (priv->text_iface,
 277                                                       TRUE,
 278                                                       &messages_list,
 279                                                       &error)) {
 280                 gossip_debug (DEBUG_DOMAIN,
 281                               "Error retrieving pending messages: %s",
 282                               error ? error->message : "No error given");
 283                 g_clear_error (&error);
 284                 return;
 285         }
 286
 287         for (i = 0; i < messages_list->len; i++) {
 288                 GValueArray *message_struct;
 289                 const gchar *message_body;
 290                 guint        message_id;
 291                 guint        timestamp;
 292                 guint        from_handle;
 293                 guint        message_type;
 294                 guint        message_flags;
 295
 296                 message_struct = g_ptr_array_index (messages_list, i);
 297
 298                 message_id = g_value_get_uint (g_value_array_get_nth (message_struct, 0));
 299                 timestamp = g_value_get_uint (g_value_array_get_nth (message_struct, 1));
 300                 from_handle = g_value_get_uint (g_value_array_get_nth (message_struct, 2));
 301                 message_type = g_value_get_uint (g_value_array_get_nth (message_struct, 3));
 302                 message_flags = g_value_get_uint (g_value_array_get_nth (message_struct, 4));
 303                 message_body = g_value_get_string (g_value_array_get_nth (message_struct, 5));
 304
 305                 gossip_debug (DEBUG_DOMAIN, "Message pending: %s", message_body);
 306
 307                 tp_chat_emit_message (chat,
 308                                       message_type,
 309                                       timestamp,
 310                                       from_handle,
 311                                       message_body);
 312
 313                 g_value_array_free (message_struct);
 314         }
 315
 316         g_ptr_array_free (messages_list, TRUE);
 317 }
 318
 319 void
 320 empathy_tp_chat_send (EmpathyTpChat *chat,
 321                       GossipMessage *message)
 322 {
 323         EmpathyTpChatPriv *priv;
 324         const gchar       *message_body;
 325         GossipMessageType  message_type;
 326         GError            *error = NULL;
 327
 328         g_return_if_fail (EMPATHY_IS_TP_CHAT (chat));
 329         g_return_if_fail (GOSSIP_IS_MESSAGE (message));
 330
 331         priv = GET_PRIV (chat);
 332
 333         message_body = gossip_message_get_body (message);
 334         message_type = gossip_message_get_type (message);
 335
 336         gossip_debug (DEBUG_DOMAIN, "Sending message: %s", message_body);
 337         if (!tp_chan_type_text_send (priv->text_iface,
 338                                      message_type,
 339                                      message_body,
 340                                      &error)) {
 341                 gossip_debug (DEBUG_DOMAIN,
 342                               "Send Error: %s",
 343                               error ? error->message : "No error given");
 344                 g_clear_error (&error);
 345         }
 346 }
 347
 348 void
 349 empathy_tp_chat_send_state (EmpathyTpChat      *chat,
 350                             EmpathyTpChatState  state)
 351 {
 352         EmpathyTpChatPriv *priv;
 353         GError            *error = NULL;
 354
 355         g_return_if_fail (EMPATHY_IS_TP_CHAT (chat));
 356
 357         priv = GET_PRIV (chat);
 358
 359         if (priv->chat_state_iface) {
 360                 gossip_debug (DEBUG_DOMAIN, "Set state: %d", state);
 361                 if (!tp_chan_iface_chat_state_set_chat_state (priv->chat_state_iface,
 362                                                               state,
 363                                                               &error)) {
 364                         gossip_debug (DEBUG_DOMAIN,
 365                                       "Set Chat State Error: %s",
 366                                       error ? error->message : "No error given");
 367                         g_clear_error (&error);
 368                 }
 369         }
 370 }
 371
 372 const gchar *
 373 empathy_tp_chat_get_id (EmpathyTpChat *chat)
 374 {
 375         EmpathyTpChatPriv  *priv;
 376         MissionControl     *mc;
 377         TpConn             *tp_conn;
 378         GArray             *handles;
 379         gchar             **names;
 380         GError             *error = NULL;
 381
 382         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (chat), NULL);
 383
 384         priv = GET_PRIV (chat);
 385
 386         if (priv->id) {
 387                 return priv->id;
 388         }
 389
 390         mc = empathy_session_get_mission_control ();
 391         tp_conn = mission_control_get_connection (mc, priv->account, NULL);
 392         handles = g_array_new (FALSE, FALSE, sizeof (guint));
 393         g_array_append_val (handles, priv->tp_chan->handle);
 394
 395         if (!tp_conn_inspect_handles (DBUS_G_PROXY (tp_conn),
 396                                       priv->tp_chan->handle_type,
 397                                       handles,
 398                                       &names,
 399                                       &error)) {
 400                 gossip_debug (DEBUG_DOMAIN,
 401                               "Couldn't get id: %s",
 402                               error ? error->message : "No error given");
 403                 g_clear_error (&error);
 404                 g_array_free (handles, TRUE);
 405                 g_object_unref (tp_conn);
 406
 407                 return NULL;
 408         }
 409
 410         /* A handle name is unique only for a specific account */
 411         priv->id = g_strdup_printf ("%s/%s",
 412                                     mc_account_get_unique_name (priv->account),
 413                                     *names);
 414
 415         g_strfreev (names);
 416         g_object_unref (tp_conn);
 417
 418         return priv->id;
 419 }
 420
 421 static void
 422 tp_chat_destroy_cb (TpChan        *text_chan,
 423                     EmpathyTpChat *chat)
 424 {
 425         EmpathyTpChatPriv *priv;
 426
 427         priv = GET_PRIV (chat);
 428
 429         gossip_debug (DEBUG_DOMAIN, "Channel destroyed");
 430
 431         g_object_unref  (priv->tp_chan);
 432         priv->tp_chan = NULL;
 433         priv->text_iface = NULL;
 434         priv->chat_state_iface = NULL;
 435
 436         g_signal_emit (chat, signals[DESTROY], 0);
 437 }
 438
 439 static void
 440 tp_chat_received_cb (DBusGProxy    *text_iface,
 441                      guint          message_id,
 442                      guint          timestamp,
 443                      guint          from_handle,
 444                      guint          message_type,
 445                      guint          message_flags,
 446                      gchar         *message_body,
 447                      EmpathyTpChat *chat)
 448 {
 449         EmpathyTpChatPriv *priv;
 450         GArray            *message_ids;
 451
 452         priv = GET_PRIV (chat);
 453
 454         gossip_debug (DEBUG_DOMAIN, "Message received: %s", message_body);
 455
 456         tp_chat_emit_message (chat,
 457                               message_type,
 458                               timestamp,
 459                               from_handle,
 460                               message_body);
 461
 462         message_ids = g_array_new (FALSE, FALSE, sizeof (guint));
 463         g_array_append_val (message_ids, message_id);
 464         tp_chan_type_text_acknowledge_pending_messages (priv->text_iface,
 465                                                         message_ids, NULL);
 466         g_array_free (message_ids, TRUE);
 467 }
 468
 469 static void
 470 tp_chat_sent_cb (DBusGProxy    *text_iface,
 471                  guint          timestamp,
 472                  guint          message_type,
 473                  gchar         *message_body,
 474                  EmpathyTpChat *chat)
 475 {
 476         gossip_debug (DEBUG_DOMAIN, "Message sent: %s", message_body);
 477
 478         tp_chat_emit_message (chat,
 479                               message_type,
 480                               timestamp,
 481                               0,
 482                               message_body);
 483 }
 484
 485 static void
 486 tp_chat_state_changed_cb (DBusGProxy         *chat_state_iface,
 487                           guint               handle,
 488                           EmpathyTpChatState  state,
 489                           EmpathyTpChat      *chat)
 490 {
 491         EmpathyTpChatPriv *priv;
 492         GossipContact     *contact;
 493
 494         priv = GET_PRIV (chat);
 495
 496         contact = empathy_contact_list_get_from_handle (priv->list, handle);
 497
 498         g_signal_emit (chat, signals[CHAT_STATE_CHANGED], 0, contact, state);
 499
 500         g_object_unref (contact);
 501 }
 502
 503 static void
 504 tp_chat_emit_message (EmpathyTpChat *chat,
 505                       guint          type,
 506                       guint          timestamp,
 507                       guint          from_handle,
 508                       const gchar   *message_body)
 509 {
 510         EmpathyTpChatPriv *priv;
 511         GossipMessage     *message;
 512         GossipContact     *sender;
 513
 514         priv = GET_PRIV (chat);
 515
 516         if (from_handle == 0) {
 517                 sender = empathy_contact_list_get_own (priv->list);
 518                 g_object_ref (sender);
 519         } else {
 520                 sender = empathy_contact_list_get_from_handle (priv->list,
 521                                                                from_handle);
 522         }
 523
 524         message = gossip_message_new (message_body);
 525         gossip_message_set_type (message, type);
 526         gossip_message_set_sender (message, sender);
 527         gossip_message_set_timestamp (message, (GossipTime) timestamp);
 528
 529         g_signal_emit (chat, signals[MESSAGE_RECEIVED], 0, message);
 530
 531         g_object_unref (message);
 532         g_object_unref (sender);
 533 }
 534