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         MissionControl     *mc;
  48
  49         TpChan             *tp_chan;
  50         DBusGProxy         *text_iface;
  51         DBusGProxy         *chat_state_iface;
  52 };
  53
  54 static void empathy_tp_chat_class_init (EmpathyTpChatClass *klass);
  55 static void empathy_tp_chat_init       (EmpathyTpChat      *chat);
  56 static void tp_chat_finalize           (GObject            *object);
  57 static void tp_chat_destroy_cb         (TpChan             *text_chan,
  58                                         EmpathyTpChat      *chat);
  59 static void tp_chat_received_cb        (DBusGProxy         *text_iface,
  60                                         guint               message_id,
  61                                         guint               timestamp,
  62                                         guint               from_handle,
  63                                         guint               message_type,
  64                                         guint               message_flags,
  65                                         gchar              *message_body,
  66                                         EmpathyTpChat      *chat);
  67 static void tp_chat_sent_cb            (DBusGProxy         *text_iface,
  68                                         guint               timestamp,
  69                                         guint               message_type,
  70                                         gchar              *message_body,
  71                                         EmpathyTpChat      *chat);
  72 static void tp_chat_state_changed_cb   (DBusGProxy         *chat_state_iface,
  73                                         guint               handle,
  74                                         EmpathyTpChatState  state,
  75                                         EmpathyTpChat      *chat);
  76 static void tp_chat_emit_message       (EmpathyTpChat      *chat,
  77                                         guint               type,
  78                                         guint               timestamp,
  79                                         guint               from_handle,
  80                                         const gchar        *message_body);
  81
  82 enum {
  83         MESSAGE_RECEIVED,
  84         CHAT_STATE_CHANGED,
  85         DESTROY,
  86         LAST_SIGNAL
  87 };
  88
  89 static guint signals[LAST_SIGNAL];
  90
  91 G_DEFINE_TYPE (EmpathyTpChat, empathy_tp_chat, G_TYPE_OBJECT);
  92
  93 static void
  94 empathy_tp_chat_class_init (EmpathyTpChatClass *klass)
  95 {
  96         GObjectClass *object_class = G_OBJECT_CLASS (klass);
  97
  98         object_class->finalize = tp_chat_finalize;
  99
 100         signals[MESSAGE_RECEIVED] =
 101                 g_signal_new ("message-received",
 102                               G_TYPE_FROM_CLASS (klass),
 103                               G_SIGNAL_RUN_LAST,
 104                               0,
 105                               NULL, NULL,
 106                               g_cclosure_marshal_VOID__OBJECT,
 107                               G_TYPE_NONE,
 108                               1, GOSSIP_TYPE_MESSAGE);
 109
 110         signals[CHAT_STATE_CHANGED] =
 111                 g_signal_new ("chat-state-changed",
 112                               G_TYPE_FROM_CLASS (klass),
 113                               G_SIGNAL_RUN_LAST,
 114                               0,
 115                               NULL, NULL,
 116                               empathy_marshal_VOID__OBJECT_UINT,
 117                               G_TYPE_NONE,
 118                               2, GOSSIP_TYPE_CONTACT, G_TYPE_UINT);
 119
 120         signals[DESTROY] =
 121                 g_signal_new ("destroy",
 122                               G_TYPE_FROM_CLASS (klass),
 123                               G_SIGNAL_RUN_LAST,
 124                               0,
 125                               NULL, NULL,
 126                               g_cclosure_marshal_VOID__VOID,
 127                               G_TYPE_NONE,
 128                               0);
 129
 130         g_type_class_add_private (object_class, sizeof (EmpathyTpChatPriv));
 131 }
 132
 133 static void
 134 empathy_tp_chat_init (EmpathyTpChat *chat)
 135 {
 136 }
 137
 138
 139 static void
 140 tp_chat_finalize (GObject *object)
 141 {
 142         EmpathyTpChatPriv *priv;
 143         EmpathyTpChat     *chat;
 144         GError            *error = NULL;
 145
 146         chat = EMPATHY_TP_CHAT (object);
 147         priv = GET_PRIV (chat);
 148
 149         if (priv->tp_chan) {
 150                 gossip_debug (DEBUG_DOMAIN, "Closing channel...");
 151
 152                 g_signal_handlers_disconnect_by_func (priv->tp_chan,
 153                                                       tp_chat_destroy_cb,
 154                                                       object);
 155
 156                 if (!tp_chan_close (DBUS_G_PROXY (priv->tp_chan), &error)) {
 157                         gossip_debug (DEBUG_DOMAIN,
 158                                       "Error closing text channel: %s",
 159                                       error ? error->message : "No error given");
 160                         g_clear_error (&error);
 161                 }
 162                 g_object_unref (priv->tp_chan);
 163         }
 164
 165         if (priv->list) {
 166                 g_object_unref (priv->list);
 167         }
 168         if (priv->account) {
 169                 g_object_unref (priv->account);
 170         }
 171         if (priv->mc) {
 172                 g_object_unref (priv->mc);
 173         }
 174         g_free (priv->id);
 175
 176         G_OBJECT_CLASS (empathy_tp_chat_parent_class)->finalize (object);
 177 }
 178
 179 EmpathyTpChat *
 180 empathy_tp_chat_new (McAccount *account,
 181                      TpChan    *tp_chan)
 182 {
 183         EmpathyTpChatPriv     *priv;
 184         EmpathyTpChat         *chat;
 185         EmpathyContactManager *manager;
 186
 187         g_return_val_if_fail (MC_IS_ACCOUNT (account), NULL);
 188         g_return_val_if_fail (TELEPATHY_IS_CHAN (tp_chan), NULL);
 189
 190         chat = g_object_new (EMPATHY_TYPE_TP_CHAT, NULL);
 191         priv = GET_PRIV (chat);
 192
 193         manager = empathy_session_get_contact_manager ();
 194         priv->list = empathy_contact_manager_get_list (manager, account);
 195         priv->tp_chan = g_object_ref (tp_chan);
 196         priv->account = g_object_ref (account);
 197         priv->mc = mission_control_new (tp_get_bus ());
 198         g_object_ref (priv->list);
 199
 200         priv->text_iface = tp_chan_get_interface (tp_chan,
 201                                                   TELEPATHY_CHAN_IFACE_TEXT_QUARK);
 202         priv->chat_state_iface = tp_chan_get_interface (tp_chan,
 203                                                         TELEPATHY_CHAN_IFACE_CHAT_STATE_QUARK);
 204
 205         g_signal_connect (priv->tp_chan, "destroy",
 206                           G_CALLBACK (tp_chat_destroy_cb),
 207                           chat);
 208         dbus_g_proxy_connect_signal (priv->text_iface, "Received",
 209                                      G_CALLBACK (tp_chat_received_cb),
 210                                      chat, NULL);
 211         dbus_g_proxy_connect_signal (priv->text_iface, "Sent",
 212                                      G_CALLBACK (tp_chat_sent_cb),
 213                                      chat, NULL);
 214
 215         if (priv->chat_state_iface != NULL) {
 216                 dbus_g_proxy_connect_signal (priv->chat_state_iface,
 217                                              "ChatStateChanged",
 218                                              G_CALLBACK (tp_chat_state_changed_cb),
 219                                              chat, NULL);
 220         }
 221
 222         return chat;
 223 }
 224
 225 EmpathyTpChat *
 226 empathy_tp_chat_new_with_contact (GossipContact *contact)
 227 {
 228         EmpathyTpChat  *chat;
 229         MissionControl *mc;
 230         McAccount      *account;
 231         TpConn         *tp_conn;
 232         TpChan         *text_chan;
 233         const gchar    *bus_name;
 234         guint           handle;
 235
 236         g_return_val_if_fail (GOSSIP_IS_CONTACT (contact), NULL);
 237
 238         mc = mission_control_new (tp_get_bus ());
 239         account = gossip_contact_get_account (contact);
 240
 241         if (mission_control_get_connection_status (mc, account, NULL) != 0) {
 242                 /* The account is not connected, nothing to do. */
 243                 return NULL;
 244         }
 245
 246         tp_conn = mission_control_get_connection (mc, account, NULL);
 247         g_return_val_if_fail (tp_conn != NULL, NULL);
 248         bus_name = dbus_g_proxy_get_bus_name (DBUS_G_PROXY (tp_conn));
 249         handle = gossip_contact_get_handle (contact);
 250
 251         text_chan = tp_conn_new_channel (tp_get_bus (),
 252                                          tp_conn,
 253                                          bus_name,
 254                                          TP_IFACE_CHANNEL_TYPE_TEXT,
 255                                          TP_HANDLE_TYPE_CONTACT,
 256                                          handle,
 257                                          TRUE);
 258
 259         chat = empathy_tp_chat_new (account, text_chan);
 260
 261         g_object_unref (tp_conn);
 262         g_object_unref (text_chan);
 263         g_object_unref (mc);
 264
 265         return chat;
 266 }
 267
 268 void
 269 empathy_tp_chat_request_pending (EmpathyTpChat *chat)
 270 {
 271         EmpathyTpChatPriv *priv;
 272         GPtrArray         *messages_list;
 273         guint              i;
 274         GError            *error = NULL;
 275
 276         g_return_if_fail (EMPATHY_IS_TP_CHAT (chat));
 277
 278         priv = GET_PRIV (chat);
 279
 280         /* If we do this call async, don't forget to ignore Received signal
 281          * until we get the answer */
 282         if (!tp_chan_type_text_list_pending_messages (priv->text_iface,
 283                                                       TRUE,
 284                                                       &messages_list,
 285                                                       &error)) {
 286                 gossip_debug (DEBUG_DOMAIN,
 287                               "Error retrieving pending messages: %s",
 288                               error ? error->message : "No error given");
 289                 g_clear_error (&error);
 290                 return;
 291         }
 292
 293         for (i = 0; i < messages_list->len; i++) {
 294                 GValueArray *message_struct;
 295                 const gchar *message_body;
 296                 guint        message_id;
 297                 guint        timestamp;
 298                 guint        from_handle;
 299                 guint        message_type;
 300                 guint        message_flags;
 301
 302                 message_struct = g_ptr_array_index (messages_list, i);
 303
 304                 message_id = g_value_get_uint (g_value_array_get_nth (message_struct, 0));
 305                 timestamp = g_value_get_uint (g_value_array_get_nth (message_struct, 1));
 306                 from_handle = g_value_get_uint (g_value_array_get_nth (message_struct, 2));
 307                 message_type = g_value_get_uint (g_value_array_get_nth (message_struct, 3));
 308                 message_flags = g_value_get_uint (g_value_array_get_nth (message_struct, 4));
 309                 message_body = g_value_get_string (g_value_array_get_nth (message_struct, 5));
 310
 311                 gossip_debug (DEBUG_DOMAIN, "Message pending: %s", message_body);
 312
 313                 tp_chat_emit_message (chat,
 314                                       message_type,
 315                                       timestamp,
 316                                       from_handle,
 317                                       message_body);
 318
 319                 g_value_array_free (message_struct);
 320         }
 321
 322         g_ptr_array_free (messages_list, TRUE);
 323 }
 324
 325 void
 326 empathy_tp_chat_send (EmpathyTpChat *chat,
 327                       GossipMessage *message)
 328 {
 329         EmpathyTpChatPriv *priv;
 330         const gchar       *message_body;
 331         GossipMessageType  message_type;
 332         GError            *error = NULL;
 333
 334         g_return_if_fail (EMPATHY_IS_TP_CHAT (chat));
 335         g_return_if_fail (GOSSIP_IS_MESSAGE (message));
 336
 337         priv = GET_PRIV (chat);
 338
 339         message_body = gossip_message_get_body (message);
 340         message_type = gossip_message_get_type (message);
 341
 342         gossip_debug (DEBUG_DOMAIN, "Sending message: %s", message_body);
 343         if (!tp_chan_type_text_send (priv->text_iface,
 344                                      message_type,
 345                                      message_body,
 346                                      &error)) {
 347                 gossip_debug (DEBUG_DOMAIN,
 348                               "Send Error: %s",
 349                               error ? error->message : "No error given");
 350                 g_clear_error (&error);
 351         }
 352 }
 353
 354 void
 355 empathy_tp_chat_send_state (EmpathyTpChat      *chat,
 356                             EmpathyTpChatState  state)
 357 {
 358         EmpathyTpChatPriv *priv;
 359         GError            *error = NULL;
 360
 361         g_return_if_fail (EMPATHY_IS_TP_CHAT (chat));
 362
 363         priv = GET_PRIV (chat);
 364
 365         if (priv->chat_state_iface) {
 366                 gossip_debug (DEBUG_DOMAIN, "Set state: %d", state);
 367                 if (!tp_chan_iface_chat_state_set_chat_state (priv->chat_state_iface,
 368                                                               state,
 369                                                               &error)) {
 370                         gossip_debug (DEBUG_DOMAIN,
 371                                       "Set Chat State Error: %s",
 372                                       error ? error->message : "No error given");
 373                         g_clear_error (&error);
 374                 }
 375         }
 376 }
 377
 378 const gchar *
 379 empathy_tp_chat_get_id (EmpathyTpChat *chat)
 380 {
 381         EmpathyTpChatPriv  *priv;
 382         TpConn             *tp_conn;
 383         GArray             *handles;
 384         gchar             **names;
 385         GError             *error = NULL;
 386
 387         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (chat), NULL);
 388
 389         priv = GET_PRIV (chat);
 390
 391         if (priv->id) {
 392                 return priv->id;
 393         }
 394
 395         tp_conn = mission_control_get_connection (priv->mc, priv->account, NULL);
 396         handles = g_array_new (FALSE, FALSE, sizeof (guint));
 397         g_array_append_val (handles, priv->tp_chan->handle);
 398
 399         if (!tp_conn_inspect_handles (DBUS_G_PROXY (tp_conn),
 400                                       priv->tp_chan->handle_type,
 401                                       handles,
 402                                       &names,
 403                                       &error)) {
 404                 gossip_debug (DEBUG_DOMAIN,
 405                               "Couldn't get id: %s",
 406                               error ? error->message : "No error given");
 407                 g_clear_error (&error);
 408                 g_array_free (handles, TRUE);
 409                 g_object_unref (tp_conn);
 410
 411                 return NULL;
 412         }
 413
 414         /* A handle name is unique only for a specific account */
 415         priv->id = g_strdup_printf ("%s/%s",
 416                                     mc_account_get_unique_name (priv->account),
 417                                     *names);
 418
 419         g_strfreev (names);
 420         g_object_unref (tp_conn);
 421
 422         return priv->id;
 423 }
 424
 425 static void
 426 tp_chat_destroy_cb (TpChan        *text_chan,
 427                     EmpathyTpChat *chat)
 428 {
 429         EmpathyTpChatPriv *priv;
 430
 431         priv = GET_PRIV (chat);
 432
 433         gossip_debug (DEBUG_DOMAIN, "Channel destroyed");
 434
 435         g_object_unref  (priv->tp_chan);
 436         priv->tp_chan = NULL;
 437         priv->text_iface = NULL;
 438         priv->chat_state_iface = NULL;
 439
 440         g_signal_emit (chat, signals[DESTROY], 0);
 441 }
 442
 443 static void
 444 tp_chat_received_cb (DBusGProxy    *text_iface,
 445                      guint          message_id,
 446                      guint          timestamp,
 447                      guint          from_handle,
 448                      guint          message_type,
 449                      guint          message_flags,
 450                      gchar         *message_body,
 451                      EmpathyTpChat *chat)
 452 {
 453         EmpathyTpChatPriv *priv;
 454         GArray            *message_ids;
 455
 456         priv = GET_PRIV (chat);
 457
 458         gossip_debug (DEBUG_DOMAIN, "Message received: %s", message_body);
 459
 460         tp_chat_emit_message (chat,
 461                               message_type,
 462                               timestamp,
 463                               from_handle,
 464                               message_body);
 465
 466         message_ids = g_array_new (FALSE, FALSE, sizeof (guint));
 467         g_array_append_val (message_ids, message_id);
 468         tp_chan_type_text_acknowledge_pending_messages (priv->text_iface,
 469                                                         message_ids, NULL);
 470         g_array_free (message_ids, TRUE);
 471 }
 472
 473 static void
 474 tp_chat_sent_cb (DBusGProxy    *text_iface,
 475                  guint          timestamp,
 476                  guint          message_type,
 477                  gchar         *message_body,
 478                  EmpathyTpChat *chat)
 479 {
 480         gossip_debug (DEBUG_DOMAIN, "Message sent: %s", message_body);
 481
 482         tp_chat_emit_message (chat,
 483                               message_type,
 484                               timestamp,
 485                               0,
 486                               message_body);
 487 }
 488
 489 static void
 490 tp_chat_state_changed_cb (DBusGProxy         *chat_state_iface,
 491                           guint               handle,
 492                           EmpathyTpChatState  state,
 493                           EmpathyTpChat      *chat)
 494 {
 495         EmpathyTpChatPriv *priv;
 496         GossipContact     *contact;
 497
 498         priv = GET_PRIV (chat);
 499
 500         contact = empathy_contact_list_get_from_handle (priv->list, handle);
 501
 502         g_signal_emit (chat, signals[CHAT_STATE_CHANGED], 0, contact, state);
 503
 504         g_object_unref (contact);
 505 }
 506
 507 static void
 508 tp_chat_emit_message (EmpathyTpChat *chat,
 509                       guint          type,
 510                       guint          timestamp,
 511                       guint          from_handle,
 512                       const gchar   *message_body)
 513 {
 514         EmpathyTpChatPriv *priv;
 515         GossipMessage     *message;
 516         GossipContact     *sender;
 517
 518         priv = GET_PRIV (chat);
 519
 520         if (from_handle == 0) {
 521                 sender = empathy_contact_list_get_own (priv->list);
 522                 g_object_ref (sender);
 523         } else {
 524                 sender = empathy_contact_list_get_from_handle (priv->list,
 525                                                                from_handle);
 526         }
 527
 528         message = gossip_message_new (message_body);
 529         gossip_message_set_type (message, type);
 530         gossip_message_set_sender (message, sender);
 531         gossip_message_set_timestamp (message, (GossipTime) timestamp);
 532
 533         g_signal_emit (chat, signals[MESSAGE_RECEIVED], 0, message);
 534
 535         g_object_unref (message);
 536         g_object_unref (sender);
 537 }
 538