libempathy-gtk/empathy-chat.c

   1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
   2 /*
   3  * Copyright (C) 2002-2007 Imendio AB
   4  * Copyright (C) 2007-2010 Collabora Ltd.
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License as
   8  * published by the Free Software Foundation; either version 2 of the
   9  * License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public
  17  * License along with this program; if not, write to the
  18  * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
  19  * Boston, MA  02110-1301  USA
  20  *
  21  * Authors: Mikael Hallendal <micke@imendio.com>
  22  *          Richard Hult <richard@imendio.com>
  23  *          Martyn Russell <martyn@imendio.com>
  24  *          Geert-Jan Van den Bogaerde <geertjan@gnome.org>
  25  *          Xavier Claessens <xclaesse@gmail.com>
  26  */
  27
  28 #include <config.h>
  29
  30 #include <string.h>
  31 #include <stdlib.h>
  32
  33 #undef G_DISABLE_DEPRECATED /* for GCompletion */
  34 #include <gdk/gdkkeysyms.h>
  35 #include <glib/gi18n-lib.h>
  36 #include <gtk/gtk.h>
  37
  38 #include <telepathy-glib/account-manager.h>
  39 #include <telepathy-glib/util.h>
  40 #include <telepathy-logger/log-manager.h>
  41 #include <telepathy-logger/text-event.h>
  42 #include <libempathy/empathy-contact-list.h>
  43 #include <libempathy/empathy-gsettings.h>
  44 #include <libempathy/empathy-keyring.h>
  45 #include <libempathy/empathy-utils.h>
  46 #include <libempathy/empathy-request-util.h>
  47 #include <libempathy/empathy-chatroom-manager.h>
  48
  49 #include "empathy-chat.h"
  50 #include "empathy-spell.h"
  51 #include "empathy-contact-dialogs.h"
  52 #include "empathy-contact-list-store.h"
  53 #include "empathy-contact-list-view.h"
  54 #include "empathy-contact-menu.h"
  55 #include "empathy-gtk-marshal.h"
  56 #include "empathy-input-text-view.h"
  57 #include "empathy-search-bar.h"
  58 #include "empathy-theme-manager.h"
  59 #include "empathy-smiley-manager.h"
  60 #include "empathy-ui-utils.h"
  61 #include "empathy-string-parser.h"
  62 #include "extensions/extensions.h"
  63
  64 #define DEBUG_FLAG EMPATHY_DEBUG_CHAT
  65 #include <libempathy/empathy-debug.h>
  66
  67 #define IS_ENTER(v) (v == GDK_KEY_Return || v == GDK_KEY_ISO_Enter || v == GDK_KEY_KP_Enter)
  68 #define COMPOSING_STOP_TIMEOUT 5
  69
  70 #define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyChat)
  71 struct _EmpathyChatPriv {
  72         EmpathyTpChat     *tp_chat;
  73         TpAccount         *account;
  74         gchar             *id;
  75         gchar             *name;
  76         gchar             *subject;
  77         EmpathyContact    *remote_contact;
  78         gboolean           show_contacts;
  79
  80         GSettings         *gsettings_chat;
  81         GSettings         *gsettings_ui;
  82
  83         TplLogManager     *log_manager;
  84         TpAccountManager  *account_manager;
  85         GList             *input_history;
  86         GList             *input_history_current;
  87         GList             *compositors;
  88         GCompletion       *completion;
  89         guint              composing_stop_timeout_id;
  90         guint              block_events_timeout_id;
  91         TpHandleType       handle_type;
  92         gint               contacts_width;
  93         gboolean           has_input_vscroll;
  94
  95         /* TRUE if spell checking is enabled, FALSE otherwise.
  96          * This is to keep track of the last state of spell checking
  97          * when it changes. */
  98         gboolean           spell_checking_enabled;
  99
 100         /* These store the signal handler ids for the enclosed text entry. */
 101         gulong             insert_text_id;
 102         gulong             delete_range_id;
 103         gulong             notify_cursor_position_id;
 104
 105         /* Source func ID for update_misspelled_words () */
 106         guint              update_misspelled_words_id;
 107         /* Source func ID for save_paned_pos_timeout () */
 108         guint              save_paned_pos_id;
 109
 110         GtkWidget         *widget;
 111         GtkWidget         *hpaned;
 112         GtkWidget         *vbox_left;
 113         GtkWidget         *scrolled_window_chat;
 114         GtkWidget         *scrolled_window_input;
 115         GtkWidget         *scrolled_window_contacts;
 116         GtkWidget         *hbox_topic;
 117         GtkWidget         *expander_topic;
 118         GtkWidget         *label_topic;
 119         GtkWidget         *contact_list_view;
 120         GtkWidget         *info_bar_vbox;
 121         GtkWidget         *search_bar;
 122
 123         guint              unread_messages;
 124         /* TRUE if the pending messages can be displayed. This is to avoid to show
 125          * pending messages *before* messages from logs. (#603980) */
 126         gboolean           can_show_pending;
 127
 128         /* FIXME: retrieving_backlogs flag is a workaround for Bug#610994 and should
 129          * be differently handled since it introduces another race condition, which
 130          * is really hard to occur, but still possible.
 131          *
 132          * With the current workaround (which has the race above), we need to be
 133          * sure to ACK any pending messages only when the retrieval of backlogs is
 134          * finished, that's why using retrieving_backlogs flag.
 135          * empathy_chat_messages_read () will check this variable and not ACK
 136          * anything when TRUE. It will be set TRUE at chat_constructed () and set
 137          * back to FALSE when the backlog has been retrieved and the pending
 138          * messages actually showed to the user.
 139          *
 140          * Race condition introduced with this workaround:
 141          * Scenario: a message is pending, the user is notified and selects the tab.
 142          * the tab with a pending message is focused before the messages are properly
 143          * shown (since the preparation of the window is slower AND async WRT the
 144          * tab showing), which means the user won't see any new messages (rare but
 145          * possible), if he/she will change tab focus before the messages are
 146          * properly shown, the tab will be set as 'seen' and the user won't be
 147          * notified again about the already notified pending messages when the
 148          * messages in tab will be properly shown */
 149         gboolean           retrieving_backlogs;
 150         gboolean           sms_channel;
 151 };
 152
 153 typedef struct {
 154         gchar *text; /* Original message that was specified
 155                       * upon entry creation. */
 156         gchar *modified_text; /* Message that was modified by user.
 157                                * When no modifications were made, it is NULL */
 158 } InputHistoryEntry;
 159
 160 enum {
 161         COMPOSING,
 162         NEW_MESSAGE,
 163         PART_COMMAND_ENTERED,
 164         LAST_SIGNAL
 165 };
 166
 167 enum {
 168         PROP_0,
 169         PROP_TP_CHAT,
 170         PROP_ACCOUNT,
 171         PROP_ID,
 172         PROP_NAME,
 173         PROP_SUBJECT,
 174         PROP_REMOTE_CONTACT,
 175         PROP_SHOW_CONTACTS,
 176         PROP_SMS_CHANNEL,
 177         PROP_N_MESSAGES_SENDING,
 178         PROP_NB_UNREAD_MESSAGES,
 179 };
 180
 181 static guint signals[LAST_SIGNAL] = { 0 };
 182
 183 G_DEFINE_TYPE (EmpathyChat, empathy_chat, GTK_TYPE_BIN);
 184
 185 static gboolean update_misspelled_words (gpointer data);
 186
 187 static void
 188 chat_get_property (GObject    *object,
 189                    guint       param_id,
 190                    GValue     *value,
 191                    GParamSpec *pspec)
 192 {
 193         EmpathyChat *chat = EMPATHY_CHAT (object);
 194         EmpathyChatPriv *priv = GET_PRIV (object);
 195
 196         switch (param_id) {
 197         case PROP_TP_CHAT:
 198                 g_value_set_object (value, priv->tp_chat);
 199                 break;
 200         case PROP_ACCOUNT:
 201                 g_value_set_object (value, priv->account);
 202                 break;
 203         case PROP_NAME:
 204                 g_value_take_string (value, empathy_chat_dup_name (chat));
 205                 break;
 206         case PROP_ID:
 207                 g_value_set_string (value, priv->id);
 208                 break;
 209         case PROP_SUBJECT:
 210                 g_value_set_string (value, priv->subject);
 211                 break;
 212         case PROP_REMOTE_CONTACT:
 213                 g_value_set_object (value, priv->remote_contact);
 214                 break;
 215         case PROP_SHOW_CONTACTS:
 216                 g_value_set_boolean (value, priv->show_contacts);
 217                 break;
 218         case PROP_SMS_CHANNEL:
 219                 g_value_set_boolean (value, priv->sms_channel);
 220                 break;
 221         case PROP_N_MESSAGES_SENDING:
 222                 g_value_set_uint (value,
 223                         empathy_chat_get_n_messages_sending (chat));
 224                 break;
 225         case PROP_NB_UNREAD_MESSAGES:
 226                 g_value_set_uint (value,
 227                         empathy_chat_get_nb_unread_messages (chat));
 228                 break;
 229         default:
 230                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 231                 break;
 232         };
 233 }
 234
 235 static void
 236 chat_set_property (GObject      *object,
 237                    guint         param_id,
 238                    const GValue *value,
 239                    GParamSpec   *pspec)
 240 {
 241         EmpathyChat *chat = EMPATHY_CHAT (object);
 242
 243         switch (param_id) {
 244         case PROP_TP_CHAT:
 245                 empathy_chat_set_tp_chat (chat, EMPATHY_TP_CHAT (g_value_get_object (value)));
 246                 break;
 247         case PROP_SHOW_CONTACTS:
 248                 empathy_chat_set_show_contacts (chat, g_value_get_boolean (value));
 249                 break;
 250         default:
 251                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 252                 break;
 253         };
 254 }
 255
 256 static void
 257 account_reconnected (EmpathyChat *chat,
 258                         TpAccount *account)
 259 {
 260         EmpathyChatPriv *priv = GET_PRIV (chat);
 261
 262         DEBUG ("Account reconnected, request a new Text channel");
 263
 264         /* FIXME: Ideally we should ask to handle ourself the channel so we can
 265         * report the error if any but this is blocked by
 266         * https://bugs.freedesktop.org/show_bug.cgi?id=13422 */
 267         switch (priv->handle_type) {
 268                 case TP_HANDLE_TYPE_CONTACT:
 269                         if (priv->sms_channel)
 270                                 empathy_sms_contact_id (
 271                                         account, priv->id,
 272                                         TP_USER_ACTION_TIME_NOT_USER_ACTION);
 273                         else
 274                                 empathy_chat_with_contact_id (
 275                                         account, priv->id,
 276                                         TP_USER_ACTION_TIME_NOT_USER_ACTION);
 277                         break;
 278                 case TP_HANDLE_TYPE_ROOM:
 279                         empathy_join_muc (account, priv->id,
 280                                 TP_USER_ACTION_TIME_NOT_USER_ACTION);
 281                         break;
 282                 case TP_HANDLE_TYPE_NONE:
 283                 case TP_HANDLE_TYPE_LIST:
 284                 case TP_HANDLE_TYPE_GROUP:
 285                 default:
 286                         g_assert_not_reached ();
 287                         break;
 288         }
 289
 290         g_object_unref (chat);
 291 }
 292
 293 static void
 294 chat_new_connection_cb (TpAccount   *account,
 295                         guint        old_status,
 296                         guint        new_status,
 297                         guint        reason,
 298                         gchar       *dbus_error_name,
 299                         GHashTable  *details,
 300                         EmpathyChat *chat)
 301 {
 302         EmpathyChatPriv *priv = GET_PRIV (chat);
 303
 304         if (new_status != TP_CONNECTION_STATUS_CONNECTED)
 305                 return;
 306
 307         if (priv->tp_chat != NULL || account != priv->account ||
 308             priv->handle_type == TP_HANDLE_TYPE_NONE ||
 309             EMP_STR_EMPTY (priv->id))
 310                 return;
 311
 312         g_object_ref (chat);
 313
 314         account_reconnected (chat, account);
 315 }
 316
 317 static void
 318 chat_composing_remove_timeout (EmpathyChat *chat)
 319 {
 320         EmpathyChatPriv *priv;
 321
 322         priv = GET_PRIV (chat);
 323
 324         if (priv->composing_stop_timeout_id) {
 325                 g_source_remove (priv->composing_stop_timeout_id);
 326                 priv->composing_stop_timeout_id = 0;
 327         }
 328 }
 329
 330 static void
 331 set_chate_state_cb (GObject *source,
 332                     GAsyncResult *result,
 333                     gpointer user_data)
 334 {
 335         GError *error = NULL;
 336
 337         if (!tp_text_channel_set_chat_state_finish (TP_TEXT_CHANNEL (source), result,
 338                 &error)) {
 339                 DEBUG ("Failed to set chat state: %s", error->message);
 340                 g_error_free (error);
 341         }
 342 }
 343
 344 static void
 345 set_chat_state (EmpathyChat *self,
 346                 TpChannelChatState state)
 347 {
 348         EmpathyChatPriv *priv = GET_PRIV (self);
 349
 350         if (!tp_proxy_has_interface_by_id (priv->tp_chat,
 351                 TP_IFACE_QUARK_CHANNEL_INTERFACE_CHAT_STATE))
 352                 return;
 353
 354         tp_text_channel_set_chat_state_async (TP_TEXT_CHANNEL (priv->tp_chat), state,
 355                 set_chate_state_cb, self);
 356 }
 357
 358 static gboolean
 359 chat_composing_stop_timeout_cb (EmpathyChat *chat)
 360 {
 361         EmpathyChatPriv *priv;
 362
 363         priv = GET_PRIV (chat);
 364
 365         priv->composing_stop_timeout_id = 0;
 366         set_chat_state (chat, TP_CHANNEL_CHAT_STATE_PAUSED);
 367
 368         return FALSE;
 369 }
 370
 371 static void
 372 chat_composing_start (EmpathyChat *chat)
 373 {
 374         EmpathyChatPriv *priv;
 375
 376         priv = GET_PRIV (chat);
 377
 378         if (priv->composing_stop_timeout_id) {
 379                 /* Just restart the timeout */
 380                 chat_composing_remove_timeout (chat);
 381         } else {
 382                 set_chat_state (chat, TP_CHANNEL_CHAT_STATE_COMPOSING);
 383         }
 384
 385         priv->composing_stop_timeout_id = g_timeout_add_seconds (
 386                 COMPOSING_STOP_TIMEOUT,
 387                 (GSourceFunc) chat_composing_stop_timeout_cb,
 388                 chat);
 389 }
 390
 391 static void
 392 chat_composing_stop (EmpathyChat *chat)
 393 {
 394         chat_composing_remove_timeout (chat);
 395         set_chat_state (chat, TP_CHANNEL_CHAT_STATE_ACTIVE);
 396 }
 397
 398 static gint
 399 chat_input_history_entry_cmp (InputHistoryEntry *entry,
 400                               const gchar *text)
 401 {
 402         if (!tp_strdiff (entry->text, text)) {
 403                 if (entry->modified_text != NULL) {
 404                         /* Modified entry and single string cannot be equal. */
 405                         return 1;
 406                 }
 407                 return 0;
 408         }
 409         return 1;
 410 }
 411
 412 static InputHistoryEntry *
 413 chat_input_history_entry_new_with_text (const gchar *text)
 414 {
 415         InputHistoryEntry *entry;
 416         entry = g_slice_new0 (InputHistoryEntry);
 417         entry->text = g_strdup (text);
 418
 419         return entry;
 420 }
 421
 422 static void
 423 chat_input_history_entry_free (InputHistoryEntry *entry)
 424 {
 425         g_free (entry->text);
 426         g_free (entry->modified_text);
 427         g_slice_free (InputHistoryEntry, entry);
 428 }
 429
 430 static void
 431 chat_input_history_entry_revert (InputHistoryEntry *entry)
 432 {
 433         g_free (entry->modified_text);
 434         entry->modified_text = NULL;
 435 }
 436
 437 static void
 438 chat_input_history_entry_update_text (InputHistoryEntry *entry,
 439                                       const gchar *text)
 440 {
 441         gchar *old;
 442
 443         if (!tp_strdiff (text, entry->text)) {
 444                 g_free (entry->modified_text);
 445                 entry->modified_text = NULL;
 446                 return;
 447         }
 448
 449         old = entry->modified_text;
 450         entry->modified_text = g_strdup (text);
 451         g_free (old);
 452 }
 453
 454 static const gchar *
 455 chat_input_history_entry_get_text (InputHistoryEntry *entry)
 456 {
 457         if (entry == NULL) {
 458                 return NULL;
 459         }
 460
 461         if (entry->modified_text != NULL) {
 462                 return entry->modified_text;
 463         }
 464         return entry->text;
 465 }
 466
 467 static GList *
 468 chat_input_history_remove_item (GList *list,
 469                                 GList *item)
 470 {
 471         list = g_list_remove_link (list, item);
 472         chat_input_history_entry_free (item->data);
 473         g_list_free_1 (item);
 474         return list;
 475 }
 476
 477 static void
 478 chat_input_history_revert (EmpathyChat *chat)
 479 {
 480         EmpathyChatPriv   *priv;
 481         GList             *list;
 482         GList             *item1;
 483         GList             *item2;
 484         InputHistoryEntry *entry;
 485
 486         priv = GET_PRIV (chat);
 487         list = priv->input_history;
 488
 489         if (list == NULL) {
 490                 DEBUG ("No input history");
 491                 return;
 492         }
 493
 494         /* Delete temporary entry */
 495         if (priv->input_history_current != NULL) {
 496                 item1 = list;
 497                 list = chat_input_history_remove_item (list, item1);
 498                 if (priv->input_history_current == item1) {
 499                         /* Removed temporary entry was current entry */
 500                         priv->input_history = list;
 501                         priv->input_history_current = NULL;
 502                         return;
 503                 }
 504         }
 505         else {
 506                 /* There is no entry to revert */
 507                 return;
 508         }
 509
 510         /* Restore the current history entry to original value */
 511         item1 = priv->input_history_current;
 512         entry = item1->data;
 513         chat_input_history_entry_revert (entry);
 514
 515         /* Remove restored entry if there is other occurance before this entry */
 516         item2 = g_list_find_custom (list, chat_input_history_entry_get_text (entry),
 517                                     (GCompareFunc) chat_input_history_entry_cmp);
 518         if (item2 != item1) {
 519                 list = chat_input_history_remove_item (list, item1);
 520         }
 521         else {
 522                 /* Remove other occurance of the restored entry */
 523                 item2 = g_list_find_custom (item1->next,
 524                                             chat_input_history_entry_get_text (entry),
 525                                             (GCompareFunc) chat_input_history_entry_cmp);
 526                 if (item2 != NULL) {
 527                         list = chat_input_history_remove_item (list, item2);
 528                 }
 529         }
 530
 531         priv->input_history_current = NULL;
 532         priv->input_history = list;
 533 }
 534
 535 static void
 536 chat_input_history_add (EmpathyChat  *chat,
 537                         const gchar *str,
 538                         gboolean temporary)
 539 {
 540         EmpathyChatPriv   *priv;
 541         GList             *list;
 542         GList             *item;
 543         InputHistoryEntry *entry;
 544
 545         priv = GET_PRIV (chat);
 546
 547         list = priv->input_history;
 548
 549         /* Remove any other occurances of this entry, if not temporary */
 550         if (!temporary) {
 551                 while ((item = g_list_find_custom (list, str,
 552                     (GCompareFunc) chat_input_history_entry_cmp)) != NULL) {
 553                         list = chat_input_history_remove_item (list, item);
 554                 }
 555
 556                 /* Trim the list to the last 10 items */
 557                 while (g_list_length (list) > 10) {
 558                         item = g_list_last (list);
 559                         if (item != NULL) {
 560                                 list = chat_input_history_remove_item (list, item);
 561                         }
 562                 }
 563         }
 564
 565
 566
 567         /* Add new entry */
 568         entry = chat_input_history_entry_new_with_text (str);
 569         list = g_list_prepend (list, entry);
 570
 571         /* Set the list and the current item pointer */
 572         priv->input_history = list;
 573         if (temporary) {
 574                 priv->input_history_current = list;
 575         }
 576         else {
 577                 priv->input_history_current = NULL;
 578         }
 579 }
 580
 581 static const gchar *
 582 chat_input_history_get_next (EmpathyChat *chat)
 583 {
 584         EmpathyChatPriv *priv;
 585         GList           *item;
 586         const gchar     *msg;
 587
 588         priv = GET_PRIV (chat);
 589
 590         if (priv->input_history == NULL) {
 591                 DEBUG ("No input history, next entry is NULL");
 592                 return NULL;
 593         }
 594         g_assert (priv->input_history_current != NULL);
 595
 596         if ((item = g_list_next (priv->input_history_current)) == NULL)
 597         {
 598                 item = priv->input_history_current;
 599         }
 600
 601         msg = chat_input_history_entry_get_text (item->data);
 602
 603         DEBUG ("Returning next entry: '%s'", msg);
 604
 605         priv->input_history_current = item;
 606
 607         return msg;
 608 }
 609
 610 static const gchar *
 611 chat_input_history_get_prev (EmpathyChat *chat)
 612 {
 613         EmpathyChatPriv *priv;
 614         GList           *item;
 615         const gchar     *msg;
 616
 617         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
 618
 619         priv = GET_PRIV (chat);
 620
 621         if (priv->input_history == NULL) {
 622                 DEBUG ("No input history, previous entry is NULL");
 623                 return NULL;
 624         }
 625
 626         if (priv->input_history_current == NULL)
 627         {
 628                 return NULL;
 629         }
 630         else if ((item = g_list_previous (priv->input_history_current)) == NULL)
 631         {
 632                 item = priv->input_history_current;
 633         }
 634
 635         msg = chat_input_history_entry_get_text (item->data);
 636
 637         DEBUG ("Returning previous entry: '%s'", msg);
 638
 639         priv->input_history_current = item;
 640
 641         return msg;
 642 }
 643
 644 static void
 645 chat_input_history_update (EmpathyChat *chat,
 646                            GtkTextBuffer *buffer)
 647 {
 648         EmpathyChatPriv      *priv;
 649         GtkTextIter           start, end;
 650         gchar                *text;
 651         InputHistoryEntry    *entry;
 652
 653         priv = GET_PRIV (chat);
 654
 655         gtk_text_buffer_get_bounds (buffer, &start, &end);
 656         text = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
 657
 658         if (priv->input_history_current == NULL) {
 659                 /* Add the current text temporarily to the history */
 660                 chat_input_history_add (chat, text, TRUE);
 661                 g_free (text);
 662                 return;
 663         }
 664
 665         /* Save the changes in the history */
 666         entry = priv->input_history_current->data;
 667         if (tp_strdiff (chat_input_history_entry_get_text (entry), text)) {
 668                 chat_input_history_entry_update_text (entry, text);
 669         }
 670
 671         g_free (text);
 672 }
 673
 674 typedef struct {
 675         EmpathyChat *chat;
 676         gchar *message;
 677 } ChatCommandMsgData;
 678
 679 static void
 680 chat_command_msg_cb (GObject *source,
 681                               GAsyncResult *result,
 682                               gpointer                  user_data)
 683 {
 684         ChatCommandMsgData *data = user_data;
 685         GError *error = NULL;
 686         TpChannel *channel;
 687
 688         channel = tp_account_channel_request_ensure_and_observe_channel_finish (
 689                                         TP_ACCOUNT_CHANNEL_REQUEST (source), result, &error);
 690
 691         if (channel == NULL) {
 692                 DEBUG ("Failed to get channel: %s", error->message);
 693                 g_error_free (error);
 694
 695                 empathy_chat_view_append_event (data->chat->view,
 696                         _("Failed to open private chat"));
 697                 goto OUT;
 698         }
 699
 700         if (!EMP_STR_EMPTY (data->message) && TP_IS_TEXT_CHANNEL (channel)) {
 701                 TpTextChannel *text = (TpTextChannel *) channel;
 702                 TpMessage *msg;
 703
 704                 msg = tp_client_message_new_text (TP_CHANNEL_TEXT_MESSAGE_TYPE_NORMAL,
 705                         data->message);
 706
 707                 tp_text_channel_send_message_async (text, msg, 0, NULL, NULL);
 708
 709                 g_object_unref (msg);
 710         }
 711
 712         g_object_unref (channel);
 713
 714 OUT:
 715         g_free (data->message);
 716         g_slice_free (ChatCommandMsgData, data);
 717 }
 718
 719 static gboolean
 720 nick_command_supported (EmpathyChat *chat)
 721 {
 722         EmpathyChatPriv * priv = GET_PRIV (chat);
 723         TpConnection    *connection;
 724
 725         connection = tp_channel_borrow_connection (TP_CHANNEL (priv->tp_chat));
 726         return tp_proxy_has_interface_by_id (connection,
 727                 EMP_IFACE_QUARK_CONNECTION_INTERFACE_RENAMING);
 728 }
 729
 730 static gboolean
 731 part_command_supported (EmpathyChat *chat)
 732 {
 733         EmpathyChatPriv * priv = GET_PRIV (chat);
 734
 735         return tp_proxy_has_interface_by_id (priv->tp_chat,
 736                         TP_IFACE_QUARK_CHANNEL_INTERFACE_GROUP);
 737 }
 738
 739 static void
 740 chat_command_clear (EmpathyChat *chat,
 741                     GStrv        strv)
 742 {
 743         empathy_chat_view_clear (chat->view);
 744 }
 745
 746 static void
 747 chat_command_topic (EmpathyChat *chat,
 748                     GStrv        strv)
 749 {
 750         EmpathyChatPriv *priv = GET_PRIV (chat);
 751         EmpathyTpChatProperty *property;
 752         GValue value = {0, };
 753
 754         property = empathy_tp_chat_get_property (priv->tp_chat, "subject");
 755         if (property == NULL) {
 756                 empathy_chat_view_append_event (chat->view,
 757                         _("Topic not supported on this conversation"));
 758                 return;
 759         }
 760
 761         if (!(property->flags & TP_PROPERTY_FLAG_WRITE)) {
 762                 empathy_chat_view_append_event (chat->view,
 763                         _("You are not allowed to change the topic"));
 764                 return;
 765         }
 766
 767         g_value_init (&value, G_TYPE_STRING);
 768         g_value_set_string (&value, strv[1]);
 769         empathy_tp_chat_set_property (priv->tp_chat, "subject", &value);
 770         g_value_unset (&value);
 771 }
 772
 773 void
 774 empathy_chat_join_muc (EmpathyChat *chat,
 775                    const gchar   *room)
 776 {
 777         EmpathyChatPriv *priv = GET_PRIV (chat);
 778
 779         empathy_join_muc (priv->account, room,
 780                 empathy_get_current_action_time ());
 781 }
 782
 783 static void
 784 chat_command_join (EmpathyChat *chat,
 785                    GStrv        strv)
 786 {
 787         guint i = 0;
 788
 789         GStrv rooms = g_strsplit_set (strv[1], ", ", -1);
 790
 791         /* FIXME: Ideally we should ask to handle ourself the channel so we can
 792         * report the error if any but this is blocked by
 793         * https://bugs.freedesktop.org/show_bug.cgi?id=13422 */
 794         while (rooms[i] != NULL) {
 795                 /* ignore empty strings */
 796                 if (!EMP_STR_EMPTY (rooms[i])) {
 797                         empathy_chat_join_muc (chat, rooms[i]);
 798                 }
 799                 i++;
 800         }
 801         g_strfreev (rooms);
 802 }
 803
 804 static void
 805 chat_command_part (EmpathyChat *chat,
 806                            GStrv        strv)
 807 {
 808         g_signal_emit (chat, signals[PART_COMMAND_ENTERED], 0, strv);
 809 }
 810
 811 static void
 812 chat_command_msg_internal (EmpathyChat *chat,
 813                            const gchar *contact_id,
 814                            const gchar *message)
 815 {
 816         EmpathyChatPriv *priv = GET_PRIV (chat);
 817         ChatCommandMsgData *data;
 818         TpAccountChannelRequest *req;
 819         GHashTable *request;
 820
 821         request = tp_asv_new (
 822                 TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING, TP_IFACE_CHANNEL_TYPE_TEXT,
 823                 TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, G_TYPE_UINT, TP_HANDLE_TYPE_CONTACT,
 824                 TP_PROP_CHANNEL_TARGET_ID, G_TYPE_STRING, contact_id,
 825                 NULL);
 826
 827         req = tp_account_channel_request_new (priv->account, request,
 828                 empathy_get_current_action_time ());
 829
 830         /* FIXME: We should probably search in members alias. But this
 831          * is enough for IRC */
 832         data = g_slice_new (ChatCommandMsgData);
 833         data->chat = chat;
 834         data->message = g_strdup (message);
 835
 836         tp_account_channel_request_ensure_and_observe_channel_async (req,
 837                 EMPATHY_CHAT_BUS_NAME, NULL, chat_command_msg_cb, data);
 838
 839         g_object_unref (req);
 840         g_hash_table_unref (request);
 841 }
 842
 843 static void
 844 chat_command_query (EmpathyChat *chat,
 845                     GStrv        strv)
 846 {
 847         /* If <message> part is not defined,
 848          * strv[2] will be the terminal NULL */
 849         chat_command_msg_internal (chat, strv[1], strv[2]);
 850 }
 851
 852 static void
 853 chat_command_msg (EmpathyChat *chat,
 854                   GStrv        strv)
 855 {
 856         chat_command_msg_internal (chat, strv[1], strv[2]);
 857 }
 858
 859 static void
 860 callback_for_request_rename (TpProxy *proxy,
 861                   const GError *error,
 862                   gpointer user_data,
 863                   GObject *weak_object)
 864 {
 865         if (error != NULL) {
 866                 DEBUG ("Call to RequestRename method failed: %s",error->message);
 867         }
 868 }
 869
 870 static void
 871 chat_command_nick (EmpathyChat *chat,
 872                    GStrv        strv)
 873 {
 874         EmpathyChatPriv *priv = GET_PRIV (chat);
 875         TpProxy *proxy;
 876
 877         proxy = TP_PROXY (tp_account_get_connection (priv->account));
 878
 879         emp_cli_connection_interface_renaming_call_request_rename (proxy, -1,
 880                 strv[1], callback_for_request_rename, NULL, NULL, NULL);
 881 }
 882
 883 static void
 884 chat_command_me (EmpathyChat *chat,
 885                   GStrv        strv)
 886 {
 887         EmpathyChatPriv *priv = GET_PRIV (chat);
 888         TpMessage *message;
 889         TpTextChannel *channel;
 890
 891         channel = (TpTextChannel *) (priv->tp_chat);
 892
 893         if (!tp_text_channel_supports_message_type (channel,
 894                         TP_CHANNEL_TEXT_MESSAGE_TYPE_ACTION)) {
 895                 /* Action message are not supported, 'simulate' the action */
 896                 EmpathyContact *self_contact;
 897                 gchar *tmp;
 898
 899                 self_contact = empathy_tp_chat_get_self_contact (priv->tp_chat);
 900                 /* The TpChat can't be ready if it doesn't have the self contact */
 901                 g_assert (self_contact != NULL);
 902
 903                 tmp = g_strdup_printf ("%s %s", empathy_contact_get_alias (self_contact),
 904                         strv[1]);
 905                 message = tp_client_message_new_text (TP_CHANNEL_TEXT_MESSAGE_TYPE_NORMAL,
 906                         tmp);
 907                 g_free (tmp);
 908         }
 909         else {
 910                 message = tp_client_message_new_text (TP_CHANNEL_TEXT_MESSAGE_TYPE_ACTION,
 911                         strv[1]);
 912         }
 913
 914         empathy_tp_chat_send (priv->tp_chat, message);
 915         g_object_unref (message);
 916 }
 917
 918 static void
 919 chat_command_say (EmpathyChat *chat,
 920                   GStrv        strv)
 921 {
 922         EmpathyChatPriv *priv = GET_PRIV (chat);
 923         TpMessage *message;
 924
 925         message = tp_client_message_new_text (TP_CHANNEL_TEXT_MESSAGE_TYPE_NORMAL,
 926                 strv[1]);
 927         empathy_tp_chat_send (priv->tp_chat, message);
 928         g_object_unref (message);
 929 }
 930
 931 static void
 932 whois_got_contact_cb (TpConnection *connection,
 933                       guint n_contacts,
 934                       TpContact * const *contacts,
 935                       const gchar * const *requested_ids,
 936                       GHashTable *failed_id_errors,
 937                       const GError *error,
 938                       gpointer user_data,
 939                       GObject *weak_object)
 940 {
 941         EmpathyChat *chat = EMPATHY_CHAT (weak_object);
 942
 943         g_return_if_fail (n_contacts <= 1);
 944
 945         if (n_contacts == 0) {
 946                 GHashTableIter iter;
 947                 gpointer key = NULL, value = NULL;
 948                 gchar *id;
 949                 GError *id_error;
 950
 951                 /* tp-glib guarantees that the contacts you requested will be
 952                  * in failed_id_errors regardless of whether the individual
 953                  * contact was invalid or the whole operation failed.
 954                  */
 955                 g_hash_table_iter_init (&iter, failed_id_errors);
 956                 g_hash_table_iter_next (&iter, &key, &value);
 957                 id = key;
 958                 id_error = value;
 959
 960                 DEBUG ("Error getting TpContact for '%s': %s %u %s",
 961                         id, g_quark_to_string (id_error->domain),
 962                         id_error->code, id_error->message);
 963
 964                 if (error == NULL) {
 965                         /* The specific ID failed. */
 966                         gchar *event = g_strdup_printf (
 967                                 _("“%s” is not a valid contact ID"), id);
 968                         empathy_chat_view_append_event (chat->view, event);
 969                         g_free (event);
 970                 }
 971                 /* Otherwise we're disconnected or something; so the window
 972                  * will already say ‘Disconnected’, so let's not show anything.
 973                  */
 974         } else {
 975                 EmpathyContact *empathy_contact;
 976                 GtkWidget *window;
 977
 978                 g_return_if_fail (contacts[0] != NULL);
 979                 empathy_contact = empathy_contact_dup_from_tp_contact (
 980                         contacts[0]);
 981
 982                 window = gtk_widget_get_toplevel (GTK_WIDGET (chat));
 983                 /* If we're alive and this command is running, we'd better be
 984                  * in a window. */
 985                 g_return_if_fail (window != NULL);
 986                 g_return_if_fail (gtk_widget_is_toplevel (window));
 987                 empathy_contact_information_dialog_show (empathy_contact,
 988                         GTK_WINDOW (window));
 989                 g_object_unref (empathy_contact);
 990         }
 991 }
 992
 993 static void
 994 chat_command_whois (EmpathyChat *chat,
 995                     GStrv strv)
 996 {
 997         EmpathyChatPriv *priv = GET_PRIV (chat);
 998         TpConnection *conn;
 999
1000         conn = tp_channel_borrow_connection ((TpChannel *) priv->tp_chat);
1001         tp_connection_get_contacts_by_id (conn,
1002                 /* Element 0 of 'strv' is "whois"; element 1 is the contact ID
1003                  * entered by the user (including spaces, if any). */
1004                 1, (const gchar * const *) strv + 1,
1005                 0, NULL,
1006                 whois_got_contact_cb, NULL, NULL, G_OBJECT (chat));
1007 }
1008
1009 static void chat_command_help (EmpathyChat *chat, GStrv strv);
1010
1011 typedef void (*ChatCommandFunc) (EmpathyChat *chat, GStrv strv);
1012
1013 typedef struct {
1014         const gchar *prefix;
1015         guint min_parts;
1016         guint max_parts;
1017         ChatCommandFunc func;
1018         gboolean (*is_supported)(EmpathyChat *chat);
1019         const gchar *help;
1020 } ChatCommandItem;
1021
1022 static ChatCommandItem commands[] = {
1023         {"clear", 1, 1, chat_command_clear, NULL,
1024          N_("/clear: clear all messages from the current conversation")},
1025
1026         {"topic", 2, 2, chat_command_topic, NULL,
1027          N_("/topic <topic>: set the topic of the current conversation")},
1028
1029         {"join", 2, 2, chat_command_join, NULL,
1030          N_("/join <chat room ID>: join a new chat room")},
1031
1032         {"j", 2, 2, chat_command_join, NULL,
1033          N_("/j <chat room ID>: join a new chat room")},
1034
1035         /* FIXME: https://bugzilla.gnome.org/show_bug.cgi?id=643295 */
1036         {"part", 1, 3, chat_command_part, part_command_supported,
1037          N_("/part [<chat room ID>] [<reason>]: leave the chat room, "
1038             "by default the current one")},
1039
1040         {"query", 2, 3, chat_command_query, NULL,
1041          N_("/query <contact ID> [<message>]: open a private chat")},
1042
1043         {"msg", 3, 3, chat_command_msg, NULL,
1044          N_("/msg <contact ID> <message>: open a private chat")},
1045
1046         {"nick", 2, 2, chat_command_nick, nick_command_supported,
1047          N_("/nick <nickname>: change your nickname on the current server")},
1048
1049         {"me", 2, 2, chat_command_me, NULL,
1050          N_("/me <message>: send an ACTION message to the current conversation")},
1051
1052         {"say", 2, 2, chat_command_say, NULL,
1053          N_("/say <message>: send <message> to the current conversation. "
1054             "This is used to send a message starting with a '/'. For example: "
1055             "\"/say /join is used to join a new chat room\"")},
1056
1057         {"whois", 2, 2, chat_command_whois, NULL,
1058          N_("/whois <contact ID>: display information about a contact")},
1059
1060         {"help", 1, 2, chat_command_help, NULL,
1061          N_("/help [<command>]: show all supported commands. "
1062             "If <command> is defined, show its usage.")},
1063 };
1064
1065 static void
1066 chat_command_show_help (EmpathyChat     *chat,
1067                         ChatCommandItem *item)
1068 {
1069         gchar *str;
1070
1071         str = g_strdup_printf (_("Usage: %s"), _(item->help));
1072         empathy_chat_view_append_event (chat->view, str);
1073         g_free (str);
1074 }
1075
1076 static void
1077 chat_command_help (EmpathyChat *chat,
1078                    GStrv        strv)
1079 {
1080         guint i;
1081
1082         /* If <command> part is not defined,
1083          * strv[1] will be the terminal NULL */
1084         if (strv[1] == NULL) {
1085                 for (i = 0; i < G_N_ELEMENTS (commands); i++) {
1086                         if (commands[i].is_supported != NULL) {
1087                                 if (!commands[i].is_supported (chat)) {
1088                                         continue;
1089                                 }
1090                         }
1091                     empathy_chat_view_append_event (chat->view,
1092                             _(commands[i].help));
1093                 }
1094                 return;
1095         }
1096
1097         for (i = 0; i < G_N_ELEMENTS (commands); i++) {
1098                 if (g_ascii_strcasecmp (strv[1], commands[i].prefix) == 0) {
1099                         if (commands[i].is_supported != NULL) {
1100                                 if (!commands[i].is_supported (chat)) {
1101                                         break;
1102                                 }
1103                         }
1104                         chat_command_show_help (chat, &commands[i]);
1105                         return;
1106                 }
1107         }
1108
1109         empathy_chat_view_append_event (chat->view,
1110                 _("Unknown command"));
1111 }
1112
1113 static GStrv
1114 chat_command_parse (const gchar *text, guint max_parts)
1115 {
1116         GPtrArray *array;
1117         gchar *item;
1118
1119         DEBUG ("Parse command, parts=%d text=\"%s\":", max_parts, text);
1120
1121         array = g_ptr_array_sized_new (max_parts + 1);
1122         while (max_parts > 1) {
1123                 const gchar *end;
1124
1125                 /* Skip white spaces */
1126                 while (g_ascii_isspace (*text)) {
1127                         text++;
1128                 }
1129
1130                 /* Search the end of this part, until first space. */
1131                 for (end = text; *end != '\0' && !g_ascii_isspace (*end); end++)
1132                         /* Do nothing */;
1133                 if (*end == '\0') {
1134                         break;
1135                 }
1136
1137                 item = g_strndup (text, end - text);
1138                 g_ptr_array_add (array, item);
1139                 DEBUG ("\tITEM: \"%s\"", item);
1140
1141                 text = end;
1142                 max_parts--;
1143         }
1144
1145         /* Append last part if not empty */
1146         item = g_strstrip (g_strdup (text));
1147         if (!EMP_STR_EMPTY (item)) {
1148                 g_ptr_array_add (array, item);
1149                 DEBUG ("\tITEM: \"%s\"", item);
1150         } else {
1151                 g_free (item);
1152         }
1153
1154         /* Make the array NULL-terminated */
1155         g_ptr_array_add (array, NULL);
1156
1157         return (GStrv) g_ptr_array_free (array, FALSE);
1158 }
1159
1160 static gboolean
1161 has_prefix_case (const gchar *s,
1162                   const gchar *prefix)
1163 {
1164         return g_ascii_strncasecmp (s, prefix, strlen (prefix)) == 0;
1165 }
1166
1167 static void
1168 chat_send (EmpathyChat  *chat,
1169            const gchar *msg)
1170 {
1171         EmpathyChatPriv *priv;
1172         TpMessage  *message;
1173         guint            i;
1174
1175         if (EMP_STR_EMPTY (msg)) {
1176                 return;
1177         }
1178
1179         priv = GET_PRIV (chat);
1180
1181         chat_input_history_add (chat, msg, FALSE);
1182
1183         if (msg[0] == '/') {
1184                 gboolean second_slash = FALSE;
1185                 const gchar *iter = msg + 1;
1186
1187                 for (i = 0; i < G_N_ELEMENTS (commands); i++) {
1188                         GStrv strv;
1189                         guint strv_len;
1190                         gchar c;
1191
1192                         if (!has_prefix_case (msg + 1, commands[i].prefix)) {
1193                                 continue;
1194                         }
1195                         c = *(msg + 1 + strlen (commands[i].prefix));
1196                         if (c != '\0' && !g_ascii_isspace (c)) {
1197                                 continue;
1198                         }
1199                         if (commands[i].is_supported != NULL) {
1200                                 if (!commands[i].is_supported (chat)) {
1201                                         continue;
1202                                 }
1203                         }
1204
1205                         /* We can't use g_strsplit here because it does
1206                          * not deal correctly if we have more than one space
1207                          * between args */
1208                         strv = chat_command_parse (msg + 1, commands[i].max_parts);
1209
1210                         strv_len = g_strv_length (strv);
1211                         if (strv_len < commands[i].min_parts ||
1212                             strv_len > commands[i].max_parts) {
1213                                 chat_command_show_help (chat, &commands[i]);
1214                                 g_strfreev (strv);
1215                                 return;
1216                         }
1217
1218                         commands[i].func (chat, strv);
1219                         g_strfreev (strv);
1220                         return;
1221                 }
1222
1223                 /* Also allow messages with two slashes before the
1224                  * first space, so it is possible to send a /unix/path.
1225                  * This heuristic is kind of crap. */
1226                 while (*iter != '\0' && !g_ascii_isspace (*iter)) {
1227                         if (*iter == '/') {
1228                                 second_slash = TRUE;
1229                                 break;
1230                         }
1231                         iter++;
1232                 }
1233
1234                 if (!second_slash) {
1235                         empathy_chat_view_append_event (chat->view,
1236                                 _("Unknown command; see /help for the available"
1237                                   " commands"));
1238                         return;
1239                 }
1240         }
1241
1242         message = tp_client_message_new_text (TP_CHANNEL_TEXT_MESSAGE_TYPE_NORMAL,
1243                 msg);
1244         empathy_tp_chat_send (priv->tp_chat, message);
1245         g_object_unref (message);
1246 }
1247
1248 static void
1249 chat_input_text_view_send (EmpathyChat *chat)
1250 {
1251         GtkTextBuffer  *buffer;
1252         GtkTextIter     start, end;
1253         gchar          *msg;
1254
1255         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1256
1257         gtk_text_buffer_get_bounds (buffer, &start, &end);
1258         msg = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
1259
1260         /* clear the input field */
1261         gtk_text_buffer_set_text (buffer, "", -1);
1262         /* delete input history modifications */
1263         chat_input_history_revert (chat);
1264
1265         chat_send (chat, msg);
1266         g_free (msg);
1267 }
1268
1269 static void
1270 chat_state_changed_cb (EmpathyTpChat      *tp_chat,
1271                        EmpathyContact     *contact,
1272                        TpChannelChatState  state,
1273                        EmpathyChat        *chat)
1274 {
1275         EmpathyChatPriv *priv;
1276         GList          *l;
1277         gboolean        was_composing;
1278
1279         priv = GET_PRIV (chat);
1280
1281         if (empathy_contact_is_user (contact)) {
1282                 /* We don't care about our own chat state */
1283                 return;
1284         }
1285
1286         was_composing = (priv->compositors != NULL);
1287
1288         /* Find the contact in the list. After that l is the list elem or NULL */
1289         for (l = priv->compositors; l; l = l->next) {
1290                 if (contact == l->data) {
1291                         break;
1292                 }
1293         }
1294
1295         switch (state) {
1296         case TP_CHANNEL_CHAT_STATE_GONE:
1297         case TP_CHANNEL_CHAT_STATE_INACTIVE:
1298         case TP_CHANNEL_CHAT_STATE_PAUSED:
1299         case TP_CHANNEL_CHAT_STATE_ACTIVE:
1300                 /* Contact is not composing */
1301                 if (l) {
1302                         priv->compositors = g_list_remove_link (priv->compositors, l);
1303                         g_object_unref (l->data);
1304                         g_list_free1 (l);
1305                 }
1306                 break;
1307         case TP_CHANNEL_CHAT_STATE_COMPOSING:
1308                 /* Contact is composing */
1309                 if (!l) {
1310                         priv->compositors = g_list_prepend (priv->compositors,
1311                                                             g_object_ref (contact));
1312                 }
1313                 break;
1314         default:
1315                 g_assert_not_reached ();
1316         }
1317
1318         DEBUG ("Was composing: %s now composing: %s",
1319                 was_composing ? "yes" : "no",
1320                 priv->compositors ? "yes" : "no");
1321
1322         if ((was_composing && !priv->compositors) ||
1323             (!was_composing && priv->compositors)) {
1324                 /* Composing state changed */
1325                 g_signal_emit (chat, signals[COMPOSING], 0,
1326                                priv->compositors != NULL);
1327         }
1328 }
1329
1330 static void
1331 chat_message_received (EmpathyChat *chat,
1332         EmpathyMessage *message,
1333         gboolean pending)
1334 {
1335         EmpathyChatPriv *priv = GET_PRIV (chat);
1336         EmpathyContact  *sender;
1337
1338         sender = empathy_message_get_sender (message);
1339
1340         if (empathy_message_is_edit (message)) {
1341                 DEBUG ("Editing message '%s' to '%s'",
1342                         empathy_message_get_supersedes (message),
1343                         empathy_message_get_body (message));
1344
1345                 empathy_chat_view_edit_message (chat->view, message);
1346         } else {
1347                 DEBUG ("Appending new message '%s' from %s (%d)",
1348                         empathy_message_get_token (message),
1349                         empathy_contact_get_alias (sender),
1350                         empathy_contact_get_handle (sender));
1351
1352                 empathy_chat_view_append_message (chat->view, message);
1353
1354                 if (empathy_message_is_incoming (message)) {
1355                         priv->unread_messages++;
1356                         g_object_notify (G_OBJECT (chat), "nb-unread-messages");
1357                 }
1358
1359                 g_signal_emit (chat, signals[NEW_MESSAGE], 0, message, pending);
1360         }
1361
1362         /* We received a message so the contact is no longer
1363          * composing */
1364         chat_state_changed_cb (priv->tp_chat, sender,
1365                                TP_CHANNEL_CHAT_STATE_ACTIVE,
1366                                chat);
1367 }
1368
1369 static void
1370 chat_message_received_cb (EmpathyTpChat  *tp_chat,
1371                           EmpathyMessage *message,
1372                           EmpathyChat    *chat)
1373 {
1374         chat_message_received (chat, message, FALSE);
1375 }
1376
1377 static void
1378 chat_message_acknowledged_cb (EmpathyTpChat  *tp_chat,
1379                               EmpathyMessage *message,
1380                               EmpathyChat    *chat)
1381 {
1382         EmpathyChatPriv *priv = GET_PRIV (chat);
1383
1384         empathy_chat_view_message_acknowledged (chat->view,
1385             message);
1386
1387         if (!empathy_message_is_edit (message)) {
1388                 priv->unread_messages--;
1389                 g_object_notify (G_OBJECT (chat), "nb-unread-messages");
1390         }
1391 }
1392
1393 static void
1394 chat_send_error_cb (EmpathyTpChat          *tp_chat,
1395                     const gchar            *message_body,
1396                     TpChannelTextSendError  error_code,
1397                     const gchar            *dbus_error,
1398                     EmpathyChat            *chat)
1399 {
1400         const gchar *error = NULL;
1401         gchar       *str;
1402
1403         if (!tp_strdiff (dbus_error, TP_ERROR_STR_INSUFFICIENT_BALANCE)) {
1404                 /* translators: error used when user doesn't have enough credit on his
1405                  * account to send the message. */
1406                 error = _("insufficient balance to send message");
1407         } else if (!tp_strdiff (dbus_error, TP_ERROR_STR_NOT_CAPABLE)) {
1408                 error = _("not capable");
1409         }
1410
1411         if (error == NULL) {
1412                 /* if we didn't find a dbus-error, try the old error */
1413                 switch (error_code) {
1414                 case TP_CHANNEL_TEXT_SEND_ERROR_OFFLINE:
1415                         error = _("offline");
1416                         break;
1417                 case TP_CHANNEL_TEXT_SEND_ERROR_INVALID_CONTACT:
1418                         error = _("invalid contact");
1419                         break;
1420                 case TP_CHANNEL_TEXT_SEND_ERROR_PERMISSION_DENIED:
1421                         error = _("permission denied");
1422                         break;
1423                 case TP_CHANNEL_TEXT_SEND_ERROR_TOO_LONG:
1424                         error = _("too long message");
1425                         break;
1426                 case TP_CHANNEL_TEXT_SEND_ERROR_NOT_IMPLEMENTED:
1427                         error = _("not implemented");
1428                         break;
1429                 case TP_CHANNEL_TEXT_SEND_ERROR_UNKNOWN:
1430                 default:
1431                         error = _("unknown");
1432                         break;
1433                 }
1434         }
1435
1436         if (message_body != NULL) {
1437                         str = g_strdup_printf (_("Error sending message '%s': %s"),
1438                                 message_body, error);
1439         }
1440         else {
1441                         str = g_strdup_printf (_("Error sending message: %s"), error);
1442         }
1443
1444         empathy_chat_view_append_event (chat->view, str);
1445         g_free (str);
1446 }
1447
1448 static void
1449 chat_topic_label_size_allocate_cb (GtkLabel *label,
1450                                    GtkAllocation *allocation,
1451                                    EmpathyChat *chat)
1452 {
1453         EmpathyChatPriv *priv = GET_PRIV (chat);
1454
1455         if (!gtk_label_get_line_wrap (label)) {
1456                 if (pango_layout_is_ellipsized (gtk_label_get_layout (label)))
1457                         gtk_widget_show (priv->expander_topic);
1458                 else
1459                         gtk_widget_hide (priv->expander_topic);
1460
1461                 return;
1462         }
1463 }
1464
1465 static void
1466 chat_topic_expander_activate_cb (GtkExpander *expander,
1467                                  GParamSpec *param_spec,
1468                                  EmpathyChat *chat)
1469 {
1470         EmpathyChatPriv *priv = GET_PRIV (chat);
1471
1472         if (gtk_expander_get_expanded (expander)) {
1473                 gtk_label_set_ellipsize (GTK_LABEL (priv->label_topic), PANGO_ELLIPSIZE_NONE);
1474                 gtk_label_set_line_wrap (GTK_LABEL (priv->label_topic), TRUE);
1475         } else {
1476                 gtk_label_set_ellipsize (GTK_LABEL (priv->label_topic), PANGO_ELLIPSIZE_END);
1477                 gtk_label_set_line_wrap (GTK_LABEL (priv->label_topic), FALSE);
1478         }
1479 }
1480
1481 static void
1482 chat_property_changed_cb (EmpathyTpChat *tp_chat,
1483                           const gchar   *name,
1484                           GValue        *value,
1485                           EmpathyChat   *chat)
1486 {
1487         EmpathyChatPriv *priv = GET_PRIV (chat);
1488
1489         if (!tp_strdiff (name, "subject")) {
1490                 g_free (priv->subject);
1491                 priv->subject = g_value_dup_string (value);
1492                 g_object_notify (G_OBJECT (chat), "subject");
1493
1494                 if (EMP_STR_EMPTY (priv->subject)) {
1495                         gtk_widget_hide (priv->hbox_topic);
1496                 } else {
1497                         gchar *markup_topic;
1498                         gchar *markup_text;
1499
1500                         markup_topic = empathy_add_link_markup (priv->subject);
1501                         markup_text = g_strdup_printf ("<span weight=\"bold\">%s</span> %s",
1502                                 _("Topic:"), markup_topic);
1503
1504                         gtk_label_set_markup (GTK_LABEL (priv->label_topic), markup_text);
1505                         g_free (markup_text);
1506                         g_free (markup_topic);
1507
1508                         gtk_widget_show (priv->hbox_topic);
1509                 }
1510                 if (priv->block_events_timeout_id == 0) {
1511                         gchar *str;
1512
1513                         if (!EMP_STR_EMPTY (priv->subject)) {
1514                                 str = g_strdup_printf (_("Topic set to: %s"), priv->subject);
1515                         } else {
1516                                 str = g_strdup (_("No topic defined"));
1517                         }
1518                         empathy_chat_view_append_event (EMPATHY_CHAT (chat)->view, str);
1519                         g_free (str);
1520                 }
1521         }
1522         else if (!tp_strdiff (name, "name")) {
1523                 g_free (priv->name);
1524                 priv->name = g_value_dup_string (value);
1525                 g_object_notify (G_OBJECT (chat), "name");
1526         }
1527 }
1528
1529 static gboolean
1530 chat_input_text_get_word_from_iter (GtkTextIter   *iter,
1531                                     GtkTextIter   *start,
1532                                     GtkTextIter   *end)
1533 {
1534         GtkTextIter word_start = *iter;
1535         GtkTextIter word_end = *iter;
1536         GtkTextIter tmp;
1537
1538         if (gtk_text_iter_inside_word (&word_end) &&
1539                         !gtk_text_iter_ends_word (&word_end)) {
1540                 gtk_text_iter_forward_word_end (&word_end);
1541         }
1542
1543         tmp = word_end;
1544
1545         if (gtk_text_iter_get_char (&tmp) == '\'') {
1546                 gtk_text_iter_forward_char (&tmp);
1547
1548                 if (g_unichar_isalpha (gtk_text_iter_get_char (&tmp))) {
1549                         gtk_text_iter_forward_word_end (&word_end);
1550                 }
1551         }
1552
1553
1554         if (gtk_text_iter_inside_word (&word_start) ||
1555                         gtk_text_iter_ends_word (&word_start)) {
1556                 if (!gtk_text_iter_starts_word (&word_start) ||
1557                                 gtk_text_iter_equal (&word_start, &word_end)) {
1558                         gtk_text_iter_backward_word_start (&word_start);
1559                 }
1560
1561                 tmp = word_start;
1562                 gtk_text_iter_backward_char (&tmp);
1563
1564                 if (gtk_text_iter_get_char (&tmp) == '\'') {
1565                         gtk_text_iter_backward_char (&tmp);
1566
1567                         if (g_unichar_isalpha (gtk_text_iter_get_char (&tmp))) {
1568                                 gtk_text_iter_backward_word_start (&word_start);
1569                         }
1570                 }
1571         }
1572
1573         *start = word_start;
1574         *end = word_end;
1575         return TRUE;
1576 }
1577
1578 static void
1579 chat_input_text_buffer_insert_text_cb (GtkTextBuffer *buffer,
1580                                        GtkTextIter   *location,
1581                                        gchar         *text,
1582                                        gint           len,
1583                                        EmpathyChat   *chat)
1584 {
1585         GtkTextIter iter, pos;
1586
1587         /* Remove all misspelled tags in the inserted text.
1588          * This happens when text is inserted within a misspelled word. */
1589         gtk_text_buffer_get_iter_at_offset (buffer, &iter,
1590                                             gtk_text_iter_get_offset (location) - len);
1591         gtk_text_buffer_remove_tag_by_name (buffer, "misspelled",
1592                                             &iter, location);
1593
1594         gtk_text_buffer_get_iter_at_mark (buffer, &pos, gtk_text_buffer_get_insert (buffer));
1595
1596         do {
1597                 GtkTextIter start, end;
1598                 gchar *str;
1599
1600                 if (!chat_input_text_get_word_from_iter (&iter, &start, &end))
1601                         continue;
1602
1603                 str = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
1604
1605                 if (gtk_text_iter_in_range (&pos, &start, &end) ||
1606                                 gtk_text_iter_equal (&pos, &end) ||
1607                                 empathy_spell_check (str)) {
1608                         gtk_text_buffer_remove_tag_by_name (buffer, "misspelled", &start, &end);
1609                 } else {
1610                         gtk_text_buffer_apply_tag_by_name (buffer, "misspelled", &start, &end);
1611                 }
1612
1613                 g_free (str);
1614
1615         } while (gtk_text_iter_forward_word_end (&iter) &&
1616                  gtk_text_iter_compare (&iter, location) <= 0);
1617 }
1618
1619 static void
1620 chat_input_text_buffer_delete_range_cb (GtkTextBuffer *buffer,
1621                                         GtkTextIter   *start,
1622                                         GtkTextIter   *end,
1623                                         EmpathyChat   *chat)
1624 {
1625         GtkTextIter word_start, word_end;
1626
1627         if (chat_input_text_get_word_from_iter (start, &word_start, &word_end)) {
1628                 gtk_text_buffer_remove_tag_by_name (buffer, "misspelled",
1629                                                     &word_start, &word_end);
1630         }
1631 }
1632
1633 static void
1634 chat_input_text_buffer_changed_cb (GtkTextBuffer *buffer,
1635                                    EmpathyChat    *chat)
1636 {
1637         if (gtk_text_buffer_get_char_count (buffer) == 0) {
1638                 chat_composing_stop (chat);
1639         } else {
1640                 chat_composing_start (chat);
1641         }
1642 }
1643
1644 static void
1645 chat_input_text_buffer_notify_cursor_position_cb (GtkTextBuffer *buffer,
1646                                                   GParamSpec    *pspec,
1647                                                   EmpathyChat    *chat)
1648 {
1649         GtkTextIter pos;
1650         GtkTextIter prev_pos;
1651         GtkTextIter word_start;
1652         GtkTextIter word_end;
1653         GtkTextMark *mark;
1654         gchar *str;
1655
1656         mark = gtk_text_buffer_get_mark (buffer, "previous-cursor-position");
1657
1658         gtk_text_buffer_get_iter_at_mark (buffer, &pos,
1659                                           gtk_text_buffer_get_insert (buffer));
1660         gtk_text_buffer_get_iter_at_mark (buffer, &prev_pos, mark);
1661
1662         if (!chat_input_text_get_word_from_iter (&prev_pos, &word_start, &word_end))
1663                 goto out;
1664
1665         if (!gtk_text_iter_in_range (&pos, &word_start, &word_end) &&
1666                         !gtk_text_iter_equal (&pos, &word_end)) {
1667                 str = gtk_text_buffer_get_text (buffer,
1668                                         &word_start, &word_end, FALSE);
1669
1670                 if (!empathy_spell_check (str)) {
1671                         gtk_text_buffer_apply_tag_by_name (buffer,
1672                                         "misspelled", &word_start, &word_end);
1673                 } else {
1674                         gtk_text_buffer_remove_tag_by_name (buffer,
1675                                         "misspelled", &word_start, &word_end);
1676                 }
1677
1678                 g_free (str);
1679         }
1680
1681 out:
1682         gtk_text_buffer_move_mark (buffer, mark, &pos);
1683 }
1684
1685 static gboolean
1686 empathy_isspace_cb (gunichar c,
1687                  gpointer data)
1688 {
1689         return g_unichar_isspace (c);
1690 }
1691
1692 static gboolean
1693 chat_input_key_press_event_cb (GtkWidget   *widget,
1694                                GdkEventKey *event,
1695                                EmpathyChat *chat)
1696 {
1697         EmpathyChatPriv *priv;
1698         GtkAdjustment  *adj;
1699         gdouble         val;
1700         GtkWidget      *text_view_sw;
1701
1702         priv = GET_PRIV (chat);
1703
1704         /* Catch ctrl+up/down so we can traverse messages we sent */
1705         if ((event->state & GDK_CONTROL_MASK) &&
1706             (event->keyval == GDK_KEY_Up ||
1707              event->keyval == GDK_KEY_Down)) {
1708                 GtkTextBuffer *buffer;
1709                 const gchar   *str;
1710
1711                 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1712                 chat_input_history_update (chat, buffer);
1713
1714                 if (event->keyval == GDK_KEY_Up) {
1715                         str = chat_input_history_get_next (chat);
1716                 } else {
1717                         str = chat_input_history_get_prev (chat);
1718                 }
1719
1720                 g_signal_handlers_block_by_func (buffer,
1721                                                  chat_input_text_buffer_changed_cb,
1722                                                  chat);
1723                 gtk_text_buffer_set_text (buffer, str ? str : "", -1);
1724                 g_signal_handlers_unblock_by_func (buffer,
1725                                                    chat_input_text_buffer_changed_cb,
1726                                                    chat);
1727
1728                 return TRUE;
1729         }
1730
1731         /* Catch enter but not ctrl/shift-enter */
1732         if (IS_ENTER (event->keyval) &&
1733             !(event->state & (GDK_SHIFT_MASK | GDK_CONTROL_MASK))) {
1734                 GtkTextView *view;
1735
1736                 /* This is to make sure that kinput2 gets the enter. And if
1737                  * it's handled there we shouldn't send on it. This is because
1738                  * kinput2 uses Enter to commit letters. See:
1739                  * http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=104299
1740                  */
1741
1742                 view = GTK_TEXT_VIEW (chat->input_text_view);
1743                 if (gtk_text_view_im_context_filter_keypress (view, event)) {
1744                         gtk_text_view_reset_im_context (view);
1745                         return TRUE;
1746                 }
1747
1748                 chat_input_text_view_send (chat);
1749                 return TRUE;
1750         }
1751
1752         text_view_sw = gtk_widget_get_parent (GTK_WIDGET (chat->view));
1753
1754         if (IS_ENTER (event->keyval) &&
1755             (event->state & (GDK_SHIFT_MASK | GDK_CONTROL_MASK))) {
1756                 /* Newline for shift/control-enter. */
1757                 return FALSE;
1758         }
1759         if (!(event->state & GDK_CONTROL_MASK) &&
1760             event->keyval == GDK_KEY_Page_Up) {
1761                 adj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (text_view_sw));
1762                 gtk_adjustment_set_value (adj, gtk_adjustment_get_value (adj) - gtk_adjustment_get_page_size (adj));
1763                 return TRUE;
1764         }
1765         if ((event->state & GDK_CONTROL_MASK) != GDK_CONTROL_MASK &&
1766             event->keyval == GDK_KEY_Page_Down) {
1767                 adj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (text_view_sw));
1768                 val = MIN (gtk_adjustment_get_value (adj) + gtk_adjustment_get_page_size (adj),
1769                            gtk_adjustment_get_upper (adj) - gtk_adjustment_get_page_size (adj));
1770                 gtk_adjustment_set_value (adj, val);
1771                 return TRUE;
1772         }
1773         if (event->keyval == GDK_KEY_Escape) {
1774                 empathy_search_bar_hide (EMPATHY_SEARCH_BAR (priv->search_bar));
1775         }
1776         if (!(event->state & (GDK_CONTROL_MASK | GDK_SHIFT_MASK)) &&
1777             event->keyval == GDK_KEY_Tab) {
1778                 GtkTextBuffer *buffer;
1779                 GtkTextIter    start, current;
1780                 gchar         *nick, *completed;
1781                 GList         *list, *completed_list;
1782                 gboolean       is_start_of_buffer;
1783
1784                 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (EMPATHY_CHAT (chat)->input_text_view));
1785                 gtk_text_buffer_get_iter_at_mark (buffer, &current, gtk_text_buffer_get_insert (buffer));
1786
1787                 /* Get the start of the nick to complete. */
1788                 gtk_text_buffer_get_iter_at_mark (buffer, &start, gtk_text_buffer_get_insert (buffer));
1789                 if (gtk_text_iter_backward_find_char (&start, &empathy_isspace_cb, NULL, NULL)) {
1790                         gtk_text_iter_set_offset (&start, gtk_text_iter_get_offset (&start) + 1);
1791                 }
1792                 is_start_of_buffer = gtk_text_iter_is_start (&start);
1793
1794                 list = empathy_contact_list_get_members (EMPATHY_CONTACT_LIST (priv->tp_chat));
1795                 g_completion_add_items (priv->completion, list);
1796
1797                 nick = gtk_text_buffer_get_text (buffer, &start, &current, FALSE);
1798                 completed_list = g_completion_complete (priv->completion,
1799                                                         nick,
1800                                                         &completed);
1801
1802                 g_free (nick);
1803
1804                 if (completed) {
1805                         guint        len;
1806                         const gchar *text;
1807                         GString     *message = NULL;
1808                         GList       *l;
1809
1810                         gtk_text_buffer_delete (buffer, &start, &current);
1811
1812                         len = g_list_length (completed_list);
1813
1814                         if (len == 1) {
1815                                 /* If we only have one hit, use that text
1816                                  * instead of the text in completed since the
1817                                  * completed text will use the typed string
1818                                  * which might be cased all wrong.
1819                                  * Fixes #120876
1820                                  * */
1821                                 text = empathy_contact_get_alias (completed_list->data);
1822                         } else {
1823                                 text = completed;
1824
1825                                 /* Print all hits to the scrollback view, so the
1826                                  * user knows what possibilities he has.
1827                                  * Fixes #599779
1828                                  * */
1829                                  message = g_string_new ("");
1830                                  for (l = completed_list; l != NULL; l = l->next) {
1831                                         g_string_append (message, empathy_contact_get_alias (l->data));
1832                                         g_string_append (message, " - ");
1833                                  }
1834                                  empathy_chat_view_append_event (chat->view, message->str);
1835                                  g_string_free (message, TRUE);
1836                         }
1837
1838                         gtk_text_buffer_insert_at_cursor (buffer, text, strlen (text));
1839
1840                         if (len == 1 && is_start_of_buffer) {
1841                             gchar *complete_char;
1842
1843                             complete_char = g_settings_get_string (
1844                                     priv->gsettings_chat,
1845                                     EMPATHY_PREFS_CHAT_NICK_COMPLETION_CHAR);
1846
1847                             if (complete_char != NULL) {
1848                                 gtk_text_buffer_insert_at_cursor (buffer,
1849                                                                   complete_char,
1850                                                                   strlen (complete_char));
1851                                 gtk_text_buffer_insert_at_cursor (buffer, " ", 1);
1852                                 g_free (complete_char);
1853                             }
1854                         }
1855
1856                         g_free (completed);
1857                 }
1858
1859                 g_completion_clear_items (priv->completion);
1860
1861                 g_list_foreach (list, (GFunc) g_object_unref, NULL);
1862                 g_list_free (list);
1863
1864                 return TRUE;
1865         }
1866
1867         return FALSE;
1868 }
1869
1870 static gboolean
1871 chat_text_view_focus_in_event_cb (GtkWidget  *widget,
1872                                   GdkEvent   *event,
1873                                   EmpathyChat *chat)
1874 {
1875         gtk_widget_grab_focus (chat->input_text_view);
1876
1877         return TRUE;
1878 }
1879
1880 static void
1881 chat_input_realize_cb (GtkWidget   *widget,
1882                        EmpathyChat *chat)
1883 {
1884         DEBUG ("Setting focus to the input text view");
1885         if (gtk_widget_is_sensitive (widget)) {
1886                 gtk_widget_grab_focus (widget);
1887         }
1888 }
1889
1890 static void
1891 chat_input_has_focus_notify_cb (GtkWidget   *widget,
1892                                 GParamSpec  *pspec,
1893                                 EmpathyChat *chat)
1894 {
1895         empathy_chat_view_focus_toggled (chat->view, gtk_widget_has_focus (widget));
1896 }
1897
1898 static void
1899 chat_insert_smiley_activate_cb (EmpathySmileyManager *manager,
1900                                 EmpathySmiley        *smiley,
1901                                 gpointer              user_data)
1902 {
1903         EmpathyChat   *chat = EMPATHY_CHAT (user_data);
1904         GtkTextBuffer *buffer;
1905         GtkTextIter    iter;
1906
1907         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1908
1909         gtk_text_buffer_get_end_iter (buffer, &iter);
1910         gtk_text_buffer_insert (buffer, &iter, smiley->str, -1);
1911
1912         gtk_text_buffer_get_end_iter (buffer, &iter);
1913         gtk_text_buffer_insert (buffer, &iter, " ", -1);
1914 }
1915
1916 typedef struct {
1917         EmpathyChat  *chat;
1918         gchar       *word;
1919
1920         GtkTextIter  start;
1921         GtkTextIter  end;
1922 } EmpathyChatSpell;
1923
1924 static EmpathyChatSpell *
1925 chat_spell_new (EmpathyChat  *chat,
1926                 const gchar *word,
1927                 GtkTextIter  start,
1928                 GtkTextIter  end)
1929 {
1930         EmpathyChatSpell *chat_spell;
1931
1932         chat_spell = g_slice_new0 (EmpathyChatSpell);
1933
1934         chat_spell->chat = g_object_ref (chat);
1935         chat_spell->word = g_strdup (word);
1936         chat_spell->start = start;
1937         chat_spell->end = end;
1938
1939         return chat_spell;
1940 }
1941
1942 static void
1943 chat_spell_free (EmpathyChatSpell *chat_spell)
1944 {
1945         g_object_unref (chat_spell->chat);
1946         g_free (chat_spell->word);
1947         g_slice_free (EmpathyChatSpell, chat_spell);
1948 }
1949
1950 static void
1951 chat_spelling_menu_activate_cb (GtkMenuItem     *menu_item,
1952                                                 EmpathyChatSpell *chat_spell)
1953 {
1954     empathy_chat_correct_word (chat_spell->chat,
1955                                &(chat_spell->start),
1956                                &(chat_spell->end),
1957                                gtk_menu_item_get_label (menu_item));
1958 }
1959
1960
1961 static GtkWidget *
1962 chat_spelling_build_suggestions_menu (const gchar *code,
1963                                       EmpathyChatSpell *chat_spell)
1964 {
1965         GList     *suggestions, *l;
1966         GtkWidget *menu, *menu_item;
1967
1968         suggestions = empathy_spell_get_suggestions (code, chat_spell->word);
1969         if (suggestions == NULL)
1970                 return NULL;
1971
1972         menu = gtk_menu_new ();
1973         for (l = suggestions; l; l = l->next) {
1974                 menu_item = gtk_menu_item_new_with_label (l->data);
1975                 g_signal_connect (G_OBJECT (menu_item), "activate",
1976                                   G_CALLBACK (chat_spelling_menu_activate_cb),
1977                                   chat_spell);
1978                 gtk_menu_shell_append (GTK_MENU_SHELL (menu), menu_item);
1979         }
1980         empathy_spell_free_suggestions (suggestions);
1981
1982         gtk_widget_show_all (menu);
1983
1984         return menu;
1985 }
1986
1987 static GtkWidget *
1988 chat_spelling_build_menu (EmpathyChatSpell *chat_spell)
1989 {
1990         GtkWidget *menu, *submenu, *item;
1991         GList     *codes, *l;
1992
1993         codes = empathy_spell_get_enabled_language_codes ();
1994         g_assert (codes != NULL);
1995
1996         if (g_list_length (codes) > 1) {
1997                 menu = gtk_menu_new ();
1998
1999                 for (l = codes; l; l = l->next) {
2000                         const gchar *code, *name;
2001
2002                         code = l->data;
2003                         name = empathy_spell_get_language_name (code);
2004                         if (!name)
2005                                 continue;
2006
2007                         item = gtk_image_menu_item_new_with_label (name);
2008
2009                         submenu = chat_spelling_build_suggestions_menu (
2010                                         code, chat_spell);
2011                         if (submenu == NULL)
2012                                 gtk_widget_set_sensitive (item, FALSE);
2013                         else
2014                                 gtk_menu_item_set_submenu (GTK_MENU_ITEM (item),
2015                                                            submenu);
2016                         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
2017                 }
2018         } else {
2019                 menu = chat_spelling_build_suggestions_menu (codes->data,
2020                                                              chat_spell);
2021                 if (menu == NULL) {
2022                         menu = gtk_menu_new ();
2023                         item = gtk_menu_item_new_with_label (_("(No Suggestions)"));
2024                         gtk_widget_set_sensitive (item, FALSE);
2025                         gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
2026                 }
2027         }
2028         g_list_free (codes);
2029
2030         gtk_widget_show_all (menu);
2031
2032         return menu;
2033 }
2034
2035 typedef struct {
2036         EmpathyChat  *chat;
2037         gchar        *word;
2038         gchar        *code;
2039 } EmpathyChatWord;
2040
2041 static EmpathyChatWord *
2042 chat_word_new (EmpathyChat  *chat,
2043                 const gchar  *word,
2044                 const gchar  *code)
2045 {
2046         EmpathyChatWord *chat_word;
2047
2048         chat_word = g_slice_new0 (EmpathyChatWord);
2049
2050         chat_word->chat = g_object_ref (chat);
2051         chat_word->word = g_strdup (word);
2052         chat_word->code = g_strdup (code);
2053
2054         return chat_word;
2055 }
2056
2057 static void
2058 chat_word_free (EmpathyChatWord *chat_word)
2059 {
2060         g_object_unref (chat_word->chat);
2061         g_free (chat_word->word);
2062         g_free (chat_word->code);
2063         g_slice_free (EmpathyChatWord, chat_word);
2064 }
2065
2066 static void
2067 chat_add_to_dictionary_activate_cb (GtkMenuItem     *menu_item,
2068                                     EmpathyChatWord *chat_word)
2069 {
2070         EmpathyChatPriv *priv = GET_PRIV (chat_word->chat);
2071
2072         empathy_spell_add_to_dictionary (chat_word->code,
2073                                          chat_word->word);
2074         priv->update_misspelled_words_id =
2075                 g_idle_add (update_misspelled_words, chat_word->chat);
2076 }
2077
2078 static GtkWidget *
2079 chat_spelling_build_add_to_dictionary_item (EmpathyChatSpell *chat_spell)
2080 {
2081         GtkWidget       *menu, *item, *lang_item, *image;
2082         GList           *codes, *l;
2083         gchar           *label;
2084         const gchar     *code, *name;
2085         EmpathyChatWord *chat_word;
2086
2087         codes = empathy_spell_get_enabled_language_codes ();
2088         g_assert (codes != NULL);
2089         if (g_list_length (codes) > 1) {
2090                 /* translators: %s is the selected word */
2091                 label = g_strdup_printf (_("Add '%s' to Dictionary"),
2092                                         chat_spell->word);
2093                 item = gtk_image_menu_item_new_with_mnemonic (label);
2094                 g_free (label);
2095                 image = gtk_image_new_from_icon_name (GTK_STOCK_ADD,
2096                                                       GTK_ICON_SIZE_MENU);
2097                 gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item),
2098                                                image);
2099
2100                 menu = gtk_menu_new ();
2101
2102                 for (l = codes; l; l = l->next) {
2103                         code = l->data;
2104                         name = empathy_spell_get_language_name (code);
2105                         if (name == NULL)
2106                                 continue;
2107
2108                         lang_item = gtk_image_menu_item_new_with_label (name);
2109
2110                         chat_word= chat_word_new (chat_spell->chat,
2111                                                   chat_spell->word, code);
2112                         g_object_set_data_full (G_OBJECT (lang_item),
2113                                 "chat-word", chat_word,
2114                                 (GDestroyNotify) chat_word_free);
2115
2116                         g_signal_connect (G_OBJECT (lang_item), "activate",
2117                                 G_CALLBACK (chat_add_to_dictionary_activate_cb),
2118                                 chat_word);
2119                         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), lang_item);
2120                 }
2121                 gtk_menu_item_set_submenu (GTK_MENU_ITEM (item), menu);
2122         } else {
2123                 code = codes->data;
2124                 name = empathy_spell_get_language_name (code);
2125                 g_assert (name != NULL);
2126                 /* translators: first %s is the selected word,
2127                  * second %s is the language name of the target dictionary */
2128                 label = g_strdup_printf (_("Add '%s' to %s Dictionary"),
2129                                         chat_spell->word, name);
2130                 item = gtk_image_menu_item_new_with_mnemonic (label);
2131                 g_free (label);
2132                 image = gtk_image_new_from_icon_name (GTK_STOCK_ADD,
2133                                                       GTK_ICON_SIZE_MENU);
2134                 gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item), image);
2135
2136                 chat_word = chat_word_new (chat_spell->chat, chat_spell->word,
2137                                            code);
2138                 g_object_set_data_full (G_OBJECT (item), "chat-word", chat_word,
2139                                         (GDestroyNotify) chat_word_free);
2140
2141                 g_signal_connect (G_OBJECT (item), "activate",
2142                                   G_CALLBACK (chat_add_to_dictionary_activate_cb),
2143                                   chat_word);
2144         }
2145         g_list_free (codes);
2146
2147         gtk_widget_show_all (item);
2148
2149         return item;
2150 }
2151
2152 static void
2153 chat_text_send_cb (GtkMenuItem *menuitem,
2154                    EmpathyChat *chat)
2155 {
2156         chat_input_text_view_send (chat);
2157 }
2158
2159 static void
2160 chat_input_populate_popup_cb (GtkTextView *view,
2161                               GtkMenu     *menu,
2162                               EmpathyChat *chat)
2163 {
2164         GtkTextBuffer        *buffer;
2165         GtkTextTagTable      *table;
2166         GtkTextTag           *tag;
2167         gint                  x, y;
2168         GtkTextIter           iter, start, end;
2169         GtkWidget            *item;
2170         gchar                *str = NULL;
2171         EmpathyChatSpell     *chat_spell;
2172         GtkWidget            *spell_menu;
2173         GtkWidget            *spell_item;
2174         EmpathySmileyManager *smiley_manager;
2175         GtkWidget            *smiley_menu;
2176         GtkWidget            *image;
2177
2178         buffer = gtk_text_view_get_buffer (view);
2179
2180         /* Add the emoticon menu. */
2181         item = gtk_separator_menu_item_new ();
2182         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
2183         gtk_widget_show (item);
2184
2185         item = gtk_image_menu_item_new_with_mnemonic (_("Insert Smiley"));
2186         image = gtk_image_new_from_icon_name ("face-smile",
2187                                               GTK_ICON_SIZE_MENU);
2188         gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item), image);
2189         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
2190         gtk_widget_show (item);
2191
2192         smiley_manager = empathy_smiley_manager_dup_singleton ();
2193         smiley_menu = empathy_smiley_menu_new (smiley_manager,
2194                                                chat_insert_smiley_activate_cb,
2195                                                chat);
2196         gtk_menu_item_set_submenu (GTK_MENU_ITEM (item), smiley_menu);
2197         g_object_unref (smiley_manager);
2198
2199         /* Add the Send menu item. */
2200         gtk_text_buffer_get_bounds (buffer, &start, &end);
2201         str = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
2202         if (!EMP_STR_EMPTY (str)) {
2203                 item = gtk_menu_item_new_with_mnemonic (_("_Send"));
2204                 g_signal_connect (G_OBJECT (item), "activate",
2205                                   G_CALLBACK (chat_text_send_cb), chat);
2206                 gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
2207                 gtk_widget_show (item);
2208         }
2209         str = NULL;
2210
2211         /* Add the spell check menu item. */
2212         table = gtk_text_buffer_get_tag_table (buffer);
2213         tag = gtk_text_tag_table_lookup (table, "misspelled");
2214         gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
2215         gtk_text_view_window_to_buffer_coords (GTK_TEXT_VIEW (view),
2216                                                GTK_TEXT_WINDOW_WIDGET,
2217                                                x, y,
2218                                                &x, &y);
2219         gtk_text_view_get_iter_at_location (GTK_TEXT_VIEW (view), &iter, x, y);
2220         start = end = iter;
2221         if (gtk_text_iter_backward_to_tag_toggle (&start, tag) &&
2222             gtk_text_iter_forward_to_tag_toggle (&end, tag)) {
2223
2224                 str = gtk_text_buffer_get_text (buffer,
2225                                                 &start, &end, FALSE);
2226         }
2227         if (!EMP_STR_EMPTY (str)) {
2228                 chat_spell = chat_spell_new (chat, str, start, end);
2229                 g_object_set_data_full (G_OBJECT (menu),
2230                                         "chat-spell", chat_spell,
2231                                         (GDestroyNotify) chat_spell_free);
2232
2233                 item = gtk_separator_menu_item_new ();
2234                 gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
2235                 gtk_widget_show (item);
2236
2237                 /* Spelling suggestions */
2238                 item = gtk_image_menu_item_new_with_mnemonic (_("_Spelling Suggestions"));
2239                 image = gtk_image_new_from_icon_name (GTK_STOCK_SPELL_CHECK,
2240                                                       GTK_ICON_SIZE_MENU);
2241                 gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item), image);
2242
2243                 spell_menu = chat_spelling_build_menu (chat_spell);
2244                 gtk_menu_item_set_submenu (GTK_MENU_ITEM (item), spell_menu);
2245
2246
2247                 spell_item = gtk_separator_menu_item_new ();
2248                 gtk_menu_shell_append (GTK_MENU_SHELL (spell_menu), spell_item);
2249                 gtk_widget_show (spell_item);
2250
2251                 /* Add to dictionary */
2252                 spell_item = chat_spelling_build_add_to_dictionary_item (chat_spell);
2253
2254                 gtk_menu_shell_append (GTK_MENU_SHELL (spell_menu), spell_item);
2255                 gtk_widget_show (spell_item);
2256
2257                 gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
2258                 gtk_widget_show (item);
2259         }
2260 }
2261
2262
2263 static gboolean
2264 chat_log_filter (TplEvent *event,
2265                  gpointer user_data)
2266 {
2267         EmpathyChat *chat = user_data;
2268         EmpathyMessage *message;
2269         EmpathyChatPriv *priv = GET_PRIV (chat);
2270         const GList *pending;
2271
2272         g_return_val_if_fail (TPL_IS_EVENT (event), FALSE);
2273         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), FALSE);
2274
2275         pending = empathy_tp_chat_get_pending_messages (priv->tp_chat);
2276         message = empathy_message_from_tpl_log_event (event);
2277
2278         for (; pending; pending = g_list_next (pending)) {
2279                 if (empathy_message_equal (message, pending->data)) {
2280                         g_object_unref (message);
2281                         return FALSE;
2282                 }
2283         }
2284
2285         g_object_unref (message);
2286         return TRUE;
2287 }
2288
2289
2290 static void
2291 show_pending_messages (EmpathyChat *chat) {
2292         EmpathyChatPriv *priv = GET_PRIV (chat);
2293         const GList *messages, *l;
2294
2295         g_return_if_fail (EMPATHY_IS_CHAT (chat));
2296
2297         if (chat->view == NULL || priv->tp_chat == NULL)
2298                 return;
2299
2300         if (!priv->can_show_pending)
2301                 return;
2302
2303         messages = empathy_tp_chat_get_pending_messages (priv->tp_chat);
2304
2305         for (l = messages; l != NULL ; l = g_list_next (l)) {
2306                 EmpathyMessage *message = EMPATHY_MESSAGE (l->data);
2307                 chat_message_received (chat, message, TRUE);
2308         }
2309 }
2310
2311
2312 static void
2313 got_filtered_messages_cb (GObject *manager,
2314                 GAsyncResult *result,
2315                 gpointer user_data)
2316 {
2317         GList *l;
2318         GList *messages;
2319         EmpathyChat *chat = EMPATHY_CHAT (user_data);
2320         EmpathyChatPriv *priv = GET_PRIV (chat);
2321         GError *error = NULL;
2322
2323         if (!tpl_log_manager_get_filtered_events_finish (TPL_LOG_MANAGER (manager),
2324                 result, &messages, &error)) {
2325                 DEBUG ("%s. Aborting.", error->message);
2326                 empathy_chat_view_append_event (chat->view,
2327                         _("Failed to retrieve recent logs"));
2328                 g_error_free (error);
2329                 goto out;
2330         }
2331
2332         for (l = messages; l; l = g_list_next (l)) {
2333                 EmpathyMessage *message;
2334
2335                 g_assert (TPL_IS_EVENT (l->data));
2336
2337                 message = empathy_message_from_tpl_log_event (l->data);
2338                 g_object_unref (l->data);
2339
2340                 if (empathy_message_is_edit (message)) {
2341                         /* this is an edited message, create a synthetic event
2342                          * using the supersedes token and
2343                          * original-message-sent timestamp, that we can then
2344                          * replace */
2345                         EmpathyMessage *syn_msg = g_object_new (
2346                                 EMPATHY_TYPE_MESSAGE,
2347                                 "body", "",
2348                                 "token", empathy_message_get_supersedes (message),
2349                                 "type", empathy_message_get_tptype (message),
2350                                 "timestamp", empathy_message_get_original_timestamp (message),
2351                                 "incoming", empathy_message_is_incoming (message),
2352                                 "is-backlog", TRUE,
2353                                 "receiver", empathy_message_get_receiver (message),
2354                                 "sender", empathy_message_get_sender (message),
2355                                 NULL);
2356
2357                         empathy_chat_view_append_message (chat->view, syn_msg);
2358                         empathy_chat_view_edit_message (chat->view, message);
2359
2360                         g_object_unref (syn_msg);
2361                 } else {
2362                         /* append the latest message */
2363                         empathy_chat_view_append_message (chat->view, message);
2364                 }
2365
2366                 g_object_unref (message);
2367         }
2368         g_list_free (messages);
2369
2370 out:
2371         /* in case of TPL error, skip backlog and show pending messages */
2372         priv->can_show_pending = TRUE;
2373         show_pending_messages (chat);
2374
2375         /* FIXME: See Bug#610994, we are forcing the ACK of the queue. See comments
2376          * about it in EmpathyChatPriv definition */
2377         priv->retrieving_backlogs = FALSE;
2378         empathy_chat_messages_read (chat);
2379
2380         /* Turn back on scrolling */
2381         empathy_chat_view_scroll (chat->view, TRUE);
2382 }
2383
2384 static void
2385 chat_add_logs (EmpathyChat *chat)
2386 {
2387         EmpathyChatPriv *priv = GET_PRIV (chat);
2388         TplEntity       *target;
2389
2390         if (!priv->id) {
2391                 return;
2392         }
2393
2394         /* Turn off scrolling temporarily */
2395         empathy_chat_view_scroll (chat->view, FALSE);
2396
2397         /* Add messages from last conversation */
2398         if (priv->handle_type == TP_HANDLE_TYPE_ROOM)
2399           target = tpl_entity_new_from_room_id (priv->id);
2400         else
2401           target = tpl_entity_new (priv->id, TPL_ENTITY_CONTACT, NULL, NULL);
2402
2403         priv->retrieving_backlogs = TRUE;
2404         tpl_log_manager_get_filtered_events_async (priv->log_manager,
2405                                                    priv->account,
2406                                                    target,
2407                                                    TPL_EVENT_MASK_TEXT,
2408                                                    5,
2409                                                    chat_log_filter,
2410                                                    chat,
2411                                                    got_filtered_messages_cb,
2412                                                    (gpointer) chat);
2413
2414         g_object_unref (target);
2415 }
2416
2417 static gint
2418 chat_contacts_completion_func (const gchar *s1,
2419                                const gchar *s2,
2420                                gsize        n)
2421 {
2422         gchar *tmp, *nick1, *nick2;
2423         gint   ret;
2424
2425         if (s1 == s2) {
2426                 return 0;
2427         }
2428         if (!s1 || !s2) {
2429                 return s1 ? -1 : +1;
2430         }
2431
2432         tmp = g_utf8_normalize (s1, -1, G_NORMALIZE_DEFAULT);
2433         nick1 = g_utf8_casefold (tmp, -1);
2434         g_free (tmp);
2435
2436         tmp = g_utf8_normalize (s2, -1, G_NORMALIZE_DEFAULT);
2437         nick2 = g_utf8_casefold (tmp, -1);
2438         g_free (tmp);
2439
2440         ret = strncmp (nick1, nick2, n);
2441
2442         g_free (nick1);
2443         g_free (nick2);
2444
2445         return ret;
2446 }
2447
2448 static gchar *
2449 build_part_message (guint           reason,
2450                     const gchar    *name,
2451                     EmpathyContact *actor,
2452                     const gchar    *message)
2453 {
2454         GString *s = g_string_new ("");
2455         const gchar *actor_name = NULL;
2456
2457         if (actor != NULL) {
2458                 actor_name = empathy_contact_get_alias (actor);
2459         }
2460
2461         /* Having an actor only really makes sense for a few actions... */
2462         switch (reason) {
2463         case TP_CHANNEL_GROUP_CHANGE_REASON_OFFLINE:
2464                 g_string_append_printf (s, _("%s has disconnected"), name);
2465                 break;
2466         case TP_CHANNEL_GROUP_CHANGE_REASON_KICKED:
2467                 if (actor_name != NULL) {
2468                         /* translators: reverse the order of these arguments
2469                          * if the kicked should come before the kicker in your locale.
2470                          */
2471                         g_string_append_printf (s, _("%1$s was kicked by %2$s"),
2472                                 name, actor_name);
2473                 } else {
2474                         g_string_append_printf (s, _("%s was kicked"), name);
2475                 }
2476                 break;
2477         case TP_CHANNEL_GROUP_CHANGE_REASON_BANNED:
2478                 if (actor_name != NULL) {
2479                         /* translators: reverse the order of these arguments
2480                          * if the banned should come before the banner in your locale.
2481                          */
2482                         g_string_append_printf (s, _("%1$s was banned by %2$s"),
2483                                 name, actor_name);
2484                 } else {
2485                         g_string_append_printf (s, _("%s was banned"), name);
2486                 }
2487                 break;
2488         default:
2489                 g_string_append_printf (s, _("%s has left the room"), name);
2490         }
2491
2492         if (!EMP_STR_EMPTY (message)) {
2493                 /* Note to translators: this string is appended to
2494                  * notifications like "foo has left the room", with the message
2495                  * given by the user living the room. If this poses a problem,
2496                  * please let us know. :-)
2497                  */
2498                 g_string_append_printf (s, _(" (%s)"), message);
2499         }
2500
2501         return g_string_free (s, FALSE);
2502 }
2503
2504 static void
2505 chat_members_changed_cb (EmpathyTpChat  *tp_chat,
2506                          EmpathyContact *contact,
2507                          EmpathyContact *actor,
2508                          guint           reason,
2509                          gchar          *message,
2510                          gboolean        is_member,
2511                          EmpathyChat    *chat)
2512 {
2513         EmpathyChatPriv *priv = GET_PRIV (chat);
2514         const gchar *name = empathy_contact_get_alias (contact);
2515         gchar *str;
2516
2517         g_return_if_fail (TP_CHANNEL_GROUP_CHANGE_REASON_RENAMED != reason);
2518
2519         if (priv->block_events_timeout_id != 0)
2520                 return;
2521
2522         if (is_member) {
2523                 str = g_strdup_printf (_("%s has joined the room"),
2524                                        name);
2525         } else {
2526                 str = build_part_message (reason, name, actor, message);
2527         }
2528
2529         empathy_chat_view_append_event (chat->view, str);
2530         g_free (str);
2531 }
2532
2533 static void
2534 chat_member_renamed_cb (EmpathyTpChat  *tp_chat,
2535                          EmpathyContact *old_contact,
2536                          EmpathyContact *new_contact,
2537                          guint           reason,
2538                          gchar          *message,
2539                          EmpathyChat    *chat)
2540 {
2541         EmpathyChatPriv *priv = GET_PRIV (chat);
2542
2543         g_return_if_fail (TP_CHANNEL_GROUP_CHANGE_REASON_RENAMED == reason);
2544
2545         if (priv->block_events_timeout_id == 0) {
2546                 gchar *str;
2547
2548                 str = g_strdup_printf (_("%s is now known as %s"),
2549                                        empathy_contact_get_alias (old_contact),
2550                                        empathy_contact_get_alias (new_contact));
2551                 empathy_chat_view_append_event (chat->view, str);
2552                 g_free (str);
2553         }
2554
2555 }
2556
2557 static gboolean
2558 chat_reset_size_request (gpointer widget)
2559 {
2560         gtk_widget_set_size_request (widget, -1, -1);
2561
2562         return FALSE;
2563 }
2564
2565 static void
2566 chat_update_contacts_visibility (EmpathyChat *chat,
2567                          gboolean show)
2568 {
2569         EmpathyChatPriv *priv = GET_PRIV (chat);
2570         GtkAllocation allocation;
2571
2572         if (!priv->scrolled_window_contacts) {
2573                 return;
2574         }
2575
2576         if (priv->remote_contact != NULL) {
2577                 show = FALSE;
2578         }
2579
2580         if (show && priv->contact_list_view == NULL) {
2581                 EmpathyContactListStore *store;
2582                 gint                     min_width;
2583
2584                 /* We are adding the contact list to the chat, we don't want the
2585                  * chat view to become too small. If the chat view is already
2586                  * smaller than 250 make sure that size won't change. If the
2587                  * chat view is bigger the contact list will take some space on
2588                  * it but we make sure the chat view don't become smaller than
2589                  * 250. Relax the size request once the resize is done */
2590                 gtk_widget_get_allocation (priv->vbox_left, &allocation);
2591                 min_width = MIN (allocation.width, 250);
2592                 gtk_widget_set_size_request (priv->vbox_left, min_width, -1);
2593                 g_idle_add (chat_reset_size_request, priv->vbox_left);
2594
2595                 if (priv->contacts_width > 0) {
2596                         gtk_paned_set_position (GTK_PANED (priv->hpaned),
2597                                                 priv->contacts_width);
2598                 }
2599
2600                 store = empathy_contact_list_store_new (
2601                                 EMPATHY_CONTACT_LIST (priv->tp_chat));
2602                 empathy_contact_list_store_set_show_groups (
2603                                 EMPATHY_CONTACT_LIST_STORE (store), FALSE);
2604
2605                 priv->contact_list_view = GTK_WIDGET (empathy_contact_list_view_new (store,
2606                         EMPATHY_CONTACT_LIST_FEATURE_CONTACT_TOOLTIP,
2607                         EMPATHY_CONTACT_FEATURE_CHAT |
2608                         EMPATHY_CONTACT_FEATURE_CALL |
2609                         EMPATHY_CONTACT_FEATURE_LOG |
2610                         EMPATHY_CONTACT_FEATURE_INFO));
2611                 gtk_container_add (GTK_CONTAINER (priv->scrolled_window_contacts),
2612                                    priv->contact_list_view);
2613                 gtk_widget_show (priv->contact_list_view);
2614                 gtk_widget_show (priv->scrolled_window_contacts);
2615                 g_object_unref (store);
2616         } else if (!show) {
2617                 priv->contacts_width = gtk_paned_get_position (GTK_PANED (priv->hpaned));
2618                 gtk_widget_hide (priv->scrolled_window_contacts);
2619                 if (priv->contact_list_view != NULL) {
2620                         gtk_widget_destroy (priv->contact_list_view);
2621                         priv->contact_list_view = NULL;
2622                 }
2623         }
2624 }
2625
2626 void
2627 empathy_chat_set_show_contacts (EmpathyChat *chat,
2628                                 gboolean     show)
2629 {
2630         EmpathyChatPriv *priv = GET_PRIV (chat);
2631
2632         priv->show_contacts = show;
2633
2634         chat_update_contacts_visibility (chat, show);
2635
2636         g_object_notify (G_OBJECT (chat), "show-contacts");
2637 }
2638
2639 static void
2640 chat_remote_contact_changed_cb (EmpathyChat *chat)
2641 {
2642         EmpathyChatPriv *priv = GET_PRIV (chat);
2643
2644         if (priv->remote_contact != NULL) {
2645                 g_object_unref (priv->remote_contact);
2646                 priv->remote_contact = NULL;
2647         }
2648
2649         g_free (priv->id);
2650
2651         priv->id = g_strdup (empathy_tp_chat_get_id (priv->tp_chat));
2652         priv->remote_contact = empathy_tp_chat_get_remote_contact (priv->tp_chat);
2653         if (priv->remote_contact != NULL) {
2654                 g_object_ref (priv->remote_contact);
2655                 priv->handle_type = TP_HANDLE_TYPE_CONTACT;
2656         }
2657         else if (priv->tp_chat != NULL) {
2658                 tp_channel_get_handle ((TpChannel *) priv->tp_chat, &priv->handle_type);
2659         }
2660
2661         chat_update_contacts_visibility (chat, priv->show_contacts);
2662
2663         g_object_notify (G_OBJECT (chat), "remote-contact");
2664         g_object_notify (G_OBJECT (chat), "id");
2665 }
2666
2667 static void
2668 chat_invalidated_cb (EmpathyTpChat *tp_chat,
2669                  guint domain,
2670                  gint code,
2671                  gchar *message,
2672                  EmpathyChat   *chat)
2673 {
2674         EmpathyChatPriv *priv;
2675
2676         priv = GET_PRIV (chat);
2677
2678         if (!priv->tp_chat) {
2679                 return;
2680         }
2681
2682         chat_composing_remove_timeout (chat);
2683         g_object_unref (priv->tp_chat);
2684         priv->tp_chat = NULL;
2685         g_object_notify (G_OBJECT (chat), "tp-chat");
2686
2687         empathy_chat_view_append_event (chat->view, _("Disconnected"));
2688         gtk_widget_set_sensitive (chat->input_text_view, FALSE);
2689
2690         chat_update_contacts_visibility (chat, FALSE);
2691 }
2692
2693 static gboolean
2694 update_misspelled_words (gpointer data)
2695 {
2696         EmpathyChat *chat = EMPATHY_CHAT (data);
2697         EmpathyChatPriv *priv = GET_PRIV (chat);
2698         GtkTextBuffer *buffer;
2699         GtkTextIter iter;
2700         gint length;
2701
2702         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
2703
2704         gtk_text_buffer_get_end_iter (buffer, &iter);
2705         length = gtk_text_iter_get_offset (&iter);
2706         chat_input_text_buffer_insert_text_cb (buffer, &iter,
2707                                                NULL, length, chat);
2708
2709         priv->update_misspelled_words_id = 0;
2710
2711         return FALSE;
2712 }
2713
2714 static void
2715 conf_spell_checking_cb (GSettings *gsettings_chat,
2716                         const gchar *key,
2717                         gpointer user_data)
2718 {
2719         EmpathyChat *chat = EMPATHY_CHAT (user_data);
2720         EmpathyChatPriv *priv = GET_PRIV (chat);
2721         gboolean spell_checker;
2722         GtkTextBuffer *buffer;
2723
2724         if (strcmp (key, EMPATHY_PREFS_CHAT_SPELL_CHECKER_ENABLED) != 0)
2725                 return;
2726
2727         spell_checker = g_settings_get_boolean (gsettings_chat,
2728                         EMPATHY_PREFS_CHAT_SPELL_CHECKER_ENABLED);
2729
2730         if (!empathy_spell_supported ()) {
2731                 spell_checker = FALSE;
2732         }
2733
2734         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
2735
2736         if (spell_checker == priv->spell_checking_enabled) {
2737                 if (spell_checker) {
2738                         /* Possibly changed dictionaries,
2739                          * update misspelled words. Need to do so in idle
2740                          * so the spell checker is updated. */
2741                         priv->update_misspelled_words_id =
2742                                 g_idle_add (update_misspelled_words, chat);
2743                 }
2744
2745                 return;
2746         }
2747
2748         if (spell_checker) {
2749                 GtkTextIter iter;
2750
2751                 priv->notify_cursor_position_id = tp_g_signal_connect_object  (
2752                                 buffer, "notify::cursor-position",
2753                                 G_CALLBACK (chat_input_text_buffer_notify_cursor_position_cb),
2754                                 chat, 0);
2755                 priv->insert_text_id = tp_g_signal_connect_object  (
2756                                 buffer, "insert-text",
2757                                 G_CALLBACK (chat_input_text_buffer_insert_text_cb),
2758                                 chat, G_CONNECT_AFTER);
2759                 priv->delete_range_id = tp_g_signal_connect_object  (
2760                                 buffer, "delete-range",
2761                                 G_CALLBACK (chat_input_text_buffer_delete_range_cb),
2762                                 chat, G_CONNECT_AFTER);
2763
2764                 gtk_text_buffer_create_tag (buffer, "misspelled",
2765                                             "underline", PANGO_UNDERLINE_ERROR,
2766                                             NULL);
2767
2768                 gtk_text_buffer_get_iter_at_mark (buffer, &iter,
2769                                                   gtk_text_buffer_get_insert (buffer));
2770                 gtk_text_buffer_create_mark (buffer, "previous-cursor-position",
2771                                              &iter, TRUE);
2772
2773                 /* Mark misspelled words in the existing buffer.
2774                  * Need to do so in idle so the spell checker is updated. */
2775                 priv->update_misspelled_words_id =
2776                         g_idle_add (update_misspelled_words, chat);
2777         } else {
2778                 GtkTextTagTable *table;
2779                 GtkTextTag *tag;
2780
2781                 g_signal_handler_disconnect (buffer, priv->notify_cursor_position_id);
2782                 priv->notify_cursor_position_id = 0;
2783                 g_signal_handler_disconnect (buffer, priv->insert_text_id);
2784                 priv->insert_text_id = 0;
2785                 g_signal_handler_disconnect (buffer, priv->delete_range_id);
2786                 priv->delete_range_id = 0;
2787
2788                 table = gtk_text_buffer_get_tag_table (buffer);
2789                 tag = gtk_text_tag_table_lookup (table, "misspelled");
2790                 gtk_text_tag_table_remove (table, tag);
2791
2792                 gtk_text_buffer_delete_mark_by_name (buffer,
2793                                                      "previous-cursor-position");
2794         }
2795
2796         priv->spell_checking_enabled = spell_checker;
2797 }
2798
2799 static gboolean
2800 save_paned_pos_timeout (gpointer data)
2801 {
2802         EmpathyChat *self = data;
2803         gint hpaned_pos;
2804
2805         hpaned_pos = gtk_paned_get_position (GTK_PANED (self->priv->hpaned));
2806
2807         g_settings_set_int (self->priv->gsettings_ui,
2808                             EMPATHY_PREFS_UI_CHAT_WINDOW_PANED_POS,
2809                             hpaned_pos);
2810
2811         return FALSE;
2812 }
2813
2814 static gboolean
2815 chat_hpaned_pos_changed_cb (GtkWidget* hpaned,
2816                 GParamSpec *spec,
2817                 gpointer user_data)
2818 {
2819         EmpathyChat *chat = EMPATHY_CHAT (user_data);
2820
2821         if (chat->priv->save_paned_pos_id != 0)
2822                 g_source_remove (chat->priv->save_paned_pos_id);
2823
2824         chat->priv->save_paned_pos_id = g_timeout_add_seconds (1,
2825                 save_paned_pos_timeout, chat);
2826
2827         return TRUE;
2828 }
2829
2830 static void
2831 chat_create_ui (EmpathyChat *chat)
2832 {
2833         EmpathyChatPriv *priv = GET_PRIV (chat);
2834         GtkBuilder      *gui;
2835         GList           *list = NULL;
2836         gchar           *filename;
2837         GtkTextBuffer   *buffer;
2838         gint              paned_pos;
2839         EmpathyThemeManager *theme_mgr;
2840
2841         filename = empathy_file_lookup ("empathy-chat.ui",
2842                                         "libempathy-gtk");
2843         gui = empathy_builder_get_file (filename,
2844                                         "chat_widget", &priv->widget,
2845                                         "hpaned", &priv->hpaned,
2846                                         "vbox_left", &priv->vbox_left,
2847                                         "scrolled_window_chat", &priv->scrolled_window_chat,
2848                                         "scrolled_window_input", &priv->scrolled_window_input,
2849                                         "hbox_topic", &priv->hbox_topic,
2850                                         "expander_topic", &priv->expander_topic,
2851                                         "label_topic", &priv->label_topic,
2852                                         "scrolled_window_contacts", &priv->scrolled_window_contacts,
2853                                         "info_bar_vbox", &priv->info_bar_vbox,
2854                                         NULL);
2855
2856         empathy_builder_connect (gui, chat,
2857                 "expander_topic", "notify::expanded", chat_topic_expander_activate_cb,
2858                 "label_topic", "size-allocate", chat_topic_label_size_allocate_cb,
2859                 NULL);
2860
2861         g_free (filename);
2862
2863         /* Add message view. */
2864         theme_mgr = empathy_theme_manager_dup_singleton ();
2865         chat->view = empathy_theme_manager_create_view (theme_mgr);
2866         g_object_unref (theme_mgr);
2867         /* If this is a GtkTextView, it's set as a drag destination for text/plain
2868            and other types, even though it's non-editable and doesn't accept any
2869            drags.  This steals drag motion for anything inside the scrollbars,
2870            making drag destinations on chat windows far less useful.
2871          */
2872         gtk_drag_dest_unset (GTK_WIDGET (chat->view));
2873         g_signal_connect (chat->view, "focus_in_event",
2874                           G_CALLBACK (chat_text_view_focus_in_event_cb),
2875                           chat);
2876         gtk_container_add (GTK_CONTAINER (priv->scrolled_window_chat),
2877                            GTK_WIDGET (chat->view));
2878         gtk_widget_show (GTK_WIDGET (chat->view));
2879
2880         /* Add input GtkTextView */
2881         chat->input_text_view = empathy_input_text_view_new ();
2882         g_signal_connect (chat->input_text_view, "notify::has-focus",
2883                           G_CALLBACK (chat_input_has_focus_notify_cb),
2884                           chat);
2885         g_signal_connect (chat->input_text_view, "key-press-event",
2886                           G_CALLBACK (chat_input_key_press_event_cb),
2887                           chat);
2888         g_signal_connect (chat->input_text_view, "realize",
2889                           G_CALLBACK (chat_input_realize_cb),
2890                           chat);
2891         g_signal_connect (chat->input_text_view, "populate-popup",
2892                           G_CALLBACK (chat_input_populate_popup_cb),
2893                           chat);
2894         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
2895         tp_g_signal_connect_object  (buffer, "changed",
2896                           G_CALLBACK (chat_input_text_buffer_changed_cb),
2897                           chat, 0);
2898         tp_g_signal_connect_object (priv->gsettings_chat,
2899                         "changed::" EMPATHY_PREFS_CHAT_SPELL_CHECKER_ENABLED,
2900                         G_CALLBACK (conf_spell_checking_cb), chat, 0);
2901         conf_spell_checking_cb (priv->gsettings_chat,
2902                                 EMPATHY_PREFS_CHAT_SPELL_CHECKER_ENABLED, chat);
2903         gtk_container_add (GTK_CONTAINER (priv->scrolled_window_input),
2904                            chat->input_text_view);
2905         gtk_widget_show (chat->input_text_view);
2906
2907         /* Add the (invisible) search bar */
2908         priv->search_bar = empathy_search_bar_new (chat->view);
2909         gtk_box_pack_start (GTK_BOX(priv->vbox_left),
2910                             priv->search_bar,
2911                             FALSE, FALSE, 0);
2912         gtk_box_reorder_child (GTK_BOX(priv->vbox_left), priv->search_bar, 1);
2913
2914         /* Initialy hide the topic, will be shown if not empty */
2915         gtk_widget_hide (priv->hbox_topic);
2916
2917         g_signal_connect (priv->hpaned, "notify::position",
2918                           G_CALLBACK (chat_hpaned_pos_changed_cb),
2919                           chat);
2920
2921         /* Load the paned position */
2922         paned_pos = g_settings_get_int (priv->gsettings_ui,
2923                         EMPATHY_PREFS_UI_CHAT_WINDOW_PANED_POS);
2924         if (paned_pos != 0)
2925                 gtk_paned_set_position (GTK_PANED(priv->hpaned), paned_pos);
2926
2927         /* Set widget focus order */
2928         list = g_list_append (NULL, priv->search_bar);
2929         list = g_list_append (list, priv->scrolled_window_input);
2930         gtk_container_set_focus_chain (GTK_CONTAINER (priv->vbox_left), list);
2931         g_list_free (list);
2932
2933         list = g_list_append (NULL, priv->vbox_left);
2934         list = g_list_append (list, priv->scrolled_window_contacts);
2935         gtk_container_set_focus_chain (GTK_CONTAINER (priv->hpaned), list);
2936         g_list_free (list);
2937
2938         list = g_list_append (NULL, priv->hpaned);
2939         list = g_list_append (list, priv->hbox_topic);
2940         gtk_container_set_focus_chain (GTK_CONTAINER (priv->widget), list);
2941         g_list_free (list);
2942
2943         /* Add the main widget in the chat widget */
2944         gtk_container_add (GTK_CONTAINER (chat), priv->widget);
2945         g_object_unref (gui);
2946 }
2947
2948 static void
2949 chat_size_allocate (GtkWidget     *widget,
2950                     GtkAllocation *allocation)
2951 {
2952   GtkBin *bin = GTK_BIN (widget);
2953   GtkAllocation child_allocation;
2954   GtkWidget *child;
2955
2956   gtk_widget_set_allocation (widget, allocation);
2957
2958   child = gtk_bin_get_child (bin);
2959
2960   if (child && gtk_widget_get_visible (child))
2961     {
2962       child_allocation.x = allocation->x + gtk_container_get_border_width (GTK_CONTAINER (widget));
2963       child_allocation.y = allocation->y + gtk_container_get_border_width (GTK_CONTAINER (widget));
2964       child_allocation.width = MAX (allocation->width - gtk_container_get_border_width (GTK_CONTAINER (widget)) * 2, 0);
2965       child_allocation.height = MAX (allocation->height - gtk_container_get_border_width (GTK_CONTAINER (widget)) * 2, 0);
2966
2967       gtk_widget_size_allocate (child, &child_allocation);
2968     }
2969 }
2970
2971 static void
2972 chat_finalize (GObject *object)
2973 {
2974         EmpathyChat     *chat;
2975         EmpathyChatPriv *priv;
2976
2977         chat = EMPATHY_CHAT (object);
2978         priv = GET_PRIV (chat);
2979
2980         DEBUG ("Finalized: %p", object);
2981
2982         if (priv->update_misspelled_words_id != 0)
2983                 g_source_remove (priv->update_misspelled_words_id);
2984
2985         if (priv->save_paned_pos_id != 0)
2986                 g_source_remove (priv->save_paned_pos_id);
2987
2988         g_object_unref (priv->gsettings_chat);
2989         g_object_unref (priv->gsettings_ui);
2990
2991         g_list_foreach (priv->input_history, (GFunc) chat_input_history_entry_free, NULL);
2992         g_list_free (priv->input_history);
2993
2994         g_list_foreach (priv->compositors, (GFunc) g_object_unref, NULL);
2995         g_list_free (priv->compositors);
2996
2997         chat_composing_remove_timeout (chat);
2998
2999         g_object_unref (priv->account_manager);
3000         g_object_unref (priv->log_manager);
3001
3002         if (priv->tp_chat) {
3003                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
3004                         chat_invalidated_cb, chat);
3005                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
3006                         chat_message_received_cb, chat);
3007                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
3008                         chat_message_acknowledged_cb, chat);
3009                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
3010                         chat_send_error_cb, chat);
3011                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
3012                         chat_state_changed_cb, chat);
3013                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
3014                         chat_property_changed_cb, chat);
3015                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
3016                         chat_members_changed_cb, chat);
3017                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
3018                         chat_remote_contact_changed_cb, chat);
3019                 empathy_tp_chat_leave (priv->tp_chat, "");
3020                 g_object_unref (priv->tp_chat);
3021         }
3022         if (priv->account) {
3023                 g_object_unref (priv->account);
3024         }
3025         if (priv->remote_contact) {
3026                 g_object_unref (priv->remote_contact);
3027         }
3028
3029         if (priv->block_events_timeout_id) {
3030                 g_source_remove (priv->block_events_timeout_id);
3031         }
3032
3033         g_free (priv->id);
3034         g_free (priv->name);
3035         g_free (priv->subject);
3036         g_completion_free (priv->completion);
3037
3038         G_OBJECT_CLASS (empathy_chat_parent_class)->finalize (object);
3039 }
3040
3041 static void
3042 chat_constructed (GObject *object)
3043 {
3044         EmpathyChat *chat = EMPATHY_CHAT (object);
3045         EmpathyChatPriv *priv = GET_PRIV (chat);
3046
3047         if (priv->handle_type != TP_HANDLE_TYPE_ROOM) {
3048                 /* First display logs from the logger and then display pending messages */
3049                 chat_add_logs (chat);
3050         }
3051          else {
3052                 /* Just display pending messages for rooms */
3053                 priv->can_show_pending = TRUE;
3054                 show_pending_messages (chat);
3055         }
3056 }
3057
3058 static void
3059 empathy_chat_class_init (EmpathyChatClass *klass)
3060 {
3061         GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
3062         GObjectClass   *object_class = G_OBJECT_CLASS (klass);
3063
3064         object_class->finalize = chat_finalize;
3065         object_class->get_property = chat_get_property;
3066         object_class->set_property = chat_set_property;
3067         object_class->constructed = chat_constructed;
3068
3069         widget_class->size_allocate = chat_size_allocate;
3070
3071         g_object_class_install_property (object_class,
3072                                          PROP_TP_CHAT,
3073                                          g_param_spec_object ("tp-chat",
3074                                                               "Empathy tp chat",
3075                                                               "The tp chat object",
3076                                                               EMPATHY_TYPE_TP_CHAT,
3077                                                               G_PARAM_CONSTRUCT |
3078                                                               G_PARAM_READWRITE |
3079                                                               G_PARAM_STATIC_STRINGS));
3080         g_object_class_install_property (object_class,
3081                                          PROP_ACCOUNT,
3082                                          g_param_spec_object ("account",
3083                                                               "Account of the chat",
3084                                                               "The account of the chat",
3085                                                               TP_TYPE_ACCOUNT,
3086                                                               G_PARAM_READABLE |
3087                                                               G_PARAM_STATIC_STRINGS));
3088         g_object_class_install_property (object_class,
3089                                          PROP_ID,
3090                                          g_param_spec_string ("id",
3091                                                               "Chat's id",
3092                                                               "The id of the chat",
3093                                                               NULL,
3094                                                               G_PARAM_READABLE |
3095                                                               G_PARAM_STATIC_STRINGS));
3096         g_object_class_install_property (object_class,
3097                                          PROP_NAME,
3098                                          g_param_spec_string ("name",
3099                                                               "Chat's name",
3100                                                               "The name of the chat",
3101                                                               NULL,
3102                                                               G_PARAM_READABLE |
3103                                                               G_PARAM_STATIC_STRINGS));
3104         g_object_class_install_property (object_class,
3105                                          PROP_SUBJECT,
3106                                          g_param_spec_string ("subject",
3107                                                               "Chat's subject",
3108                                                               "The subject or topic of the chat",
3109                                                               NULL,
3110                                                               G_PARAM_READABLE |
3111                                                               G_PARAM_STATIC_STRINGS));
3112         g_object_class_install_property (object_class,
3113                                          PROP_REMOTE_CONTACT,
3114                                          g_param_spec_object ("remote-contact",
3115                                                               "The remote contact",
3116                                                               "The remote contact is any",
3117                                                               EMPATHY_TYPE_CONTACT,
3118                                                               G_PARAM_READABLE |
3119                                                               G_PARAM_STATIC_STRINGS));
3120         g_object_class_install_property (object_class,
3121                                          PROP_SHOW_CONTACTS,
3122                                          g_param_spec_boolean ("show-contacts",
3123                                                                "Contacts' visibility",
3124                                                                "The visibility of the contacts' list",
3125                                                                TRUE,
3126                                                                G_PARAM_READWRITE |
3127                                                                G_PARAM_STATIC_STRINGS));
3128
3129         g_object_class_install_property (object_class,
3130                                          PROP_SMS_CHANNEL,
3131                                          g_param_spec_boolean ("sms-channel",
3132                                                                "SMS Channel",
3133                                                                "TRUE if this channel is for sending SMSes",
3134                                                                FALSE,
3135                                                                G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
3136
3137         g_object_class_install_property (object_class,
3138                                          PROP_N_MESSAGES_SENDING,
3139                                          g_param_spec_uint ("n-messages-sending",
3140                                                             "Num Messages Sending",
3141                                                             "The number of messages being sent",
3142                                                             0, G_MAXUINT, 0,
3143                                                             G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
3144
3145         g_object_class_install_property (object_class,
3146                                          PROP_NB_UNREAD_MESSAGES,
3147                                          g_param_spec_uint ("nb-unread-messages",
3148                                                             "Num Unread Messages",
3149                                                             "The number of unread messages",
3150                                                             0, G_MAXUINT, 0,
3151                                                             G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
3152
3153         signals[COMPOSING] =
3154                 g_signal_new ("composing",
3155                               G_OBJECT_CLASS_TYPE (object_class),
3156                               G_SIGNAL_RUN_LAST,
3157                               0,
3158                               NULL, NULL,
3159                               g_cclosure_marshal_VOID__BOOLEAN,
3160                               G_TYPE_NONE,
3161                               1, G_TYPE_BOOLEAN);
3162
3163         signals[NEW_MESSAGE] =
3164                 g_signal_new ("new-message",
3165                               G_OBJECT_CLASS_TYPE (object_class),
3166                               G_SIGNAL_RUN_LAST,
3167                               0,
3168                               NULL, NULL,
3169                               _empathy_gtk_marshal_VOID__OBJECT_BOOLEAN,
3170                               G_TYPE_NONE,
3171                               2, EMPATHY_TYPE_MESSAGE, G_TYPE_BOOLEAN);
3172
3173         signals[PART_COMMAND_ENTERED] =
3174                         g_signal_new ("part-command-entered",
3175                                   G_OBJECT_CLASS_TYPE (object_class),
3176                                   G_SIGNAL_RUN_LAST,
3177                                   0,
3178                                   NULL, NULL,
3179                                   g_cclosure_marshal_VOID__POINTER,
3180                                   G_TYPE_NONE,
3181                                   1, G_TYPE_STRV);
3182
3183         g_type_class_add_private (object_class, sizeof (EmpathyChatPriv));
3184 }
3185
3186 static gboolean
3187 chat_block_events_timeout_cb (gpointer data)
3188 {
3189         EmpathyChatPriv *priv = GET_PRIV (data);
3190
3191         priv->block_events_timeout_id = 0;
3192
3193         return FALSE;
3194 }
3195
3196 static void
3197 account_manager_prepared_cb (GObject *source_object,
3198                              GAsyncResult *result,
3199                              gpointer user_data)
3200 {
3201         GList *accounts, *l;
3202         TpAccountManager *account_manager = TP_ACCOUNT_MANAGER (source_object);
3203         EmpathyChat *chat = user_data;
3204         GError *error = NULL;
3205
3206         if (!tp_account_manager_prepare_finish (account_manager, result, &error)) {
3207                 DEBUG ("Failed to prepare the account manager: %s", error->message);
3208                 g_error_free (error);
3209                 return;
3210         }
3211
3212         accounts = tp_account_manager_get_valid_accounts (account_manager);
3213
3214         for (l = accounts; l != NULL; l = l->next) {
3215                 TpAccount *account = l->data;
3216                 tp_g_signal_connect_object (account, "status-changed",
3217                                              G_CALLBACK (chat_new_connection_cb),
3218                                              chat, 0);
3219         }
3220
3221         g_list_free (accounts);
3222 }
3223
3224 static void
3225 empathy_chat_init (EmpathyChat *chat)
3226 {
3227         EmpathyChatPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (chat,
3228                 EMPATHY_TYPE_CHAT, EmpathyChatPriv);
3229
3230         chat->priv = priv;
3231         priv->log_manager = tpl_log_manager_dup_singleton ();
3232         priv->gsettings_chat = g_settings_new (EMPATHY_PREFS_CHAT_SCHEMA);
3233         priv->gsettings_ui = g_settings_new (EMPATHY_PREFS_UI_SCHEMA);
3234
3235         priv->contacts_width = -1;
3236         priv->input_history = NULL;
3237         priv->input_history_current = NULL;
3238         priv->account_manager = tp_account_manager_dup ();
3239
3240         tp_account_manager_prepare_async (priv->account_manager, NULL,
3241                                           account_manager_prepared_cb, chat);
3242
3243         priv->show_contacts = g_settings_get_boolean (priv->gsettings_chat,
3244                         EMPATHY_PREFS_CHAT_SHOW_CONTACTS_IN_ROOMS);
3245
3246         /* Block events for some time to avoid having "has come online" or
3247          * "joined" messages. */
3248         priv->block_events_timeout_id =
3249                 g_timeout_add_seconds (1, chat_block_events_timeout_cb, chat);
3250
3251         /* Add nick name completion */
3252         priv->completion = g_completion_new ((GCompletionFunc) empathy_contact_get_alias);
3253         g_completion_set_compare (priv->completion, chat_contacts_completion_func);
3254
3255         chat_create_ui (chat);
3256 }
3257
3258 EmpathyChat *
3259 empathy_chat_new (EmpathyTpChat *tp_chat)
3260 {
3261         return g_object_new (EMPATHY_TYPE_CHAT, "tp-chat", tp_chat, NULL);
3262 }
3263
3264 EmpathyTpChat *
3265 empathy_chat_get_tp_chat (EmpathyChat *chat)
3266 {
3267         EmpathyChatPriv *priv = GET_PRIV (chat);
3268
3269         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
3270
3271         return priv->tp_chat;
3272 }
3273
3274 typedef struct
3275 {
3276         EmpathyChat *self;
3277         GtkWidget *info_bar;
3278         gulong response_id;
3279         GtkWidget *button;
3280         GtkWidget *label;
3281         GtkWidget *entry;
3282         GtkWidget *spinner;
3283         gchar *password;
3284 } PasswordData;
3285
3286 static void
3287 passwd_remember_button_cb (GtkButton *button,
3288                           PasswordData *data)
3289 {
3290         gtk_info_bar_response (GTK_INFO_BAR (data->info_bar), GTK_RESPONSE_OK);
3291 }
3292
3293 static void
3294 passwd_not_now_button_cb (GtkButton *button,
3295                           PasswordData *data)
3296 {
3297         gtk_info_bar_response (GTK_INFO_BAR (data->info_bar), GTK_RESPONSE_NO);
3298 }
3299
3300 static void
3301 remember_password_infobar_response_cb (GtkWidget *info_bar,
3302                                        gint response_id,
3303                                        PasswordData *data)
3304 {
3305         EmpathyChatPriv *priv = GET_PRIV (data->self);
3306
3307         if (response_id == GTK_RESPONSE_OK) {
3308                 DEBUG ("Saving room password");
3309                 empathy_keyring_set_room_password_async (priv->account,
3310                                                          empathy_tp_chat_get_id (priv->tp_chat),
3311                                                          data->password,
3312                                                          NULL, NULL);
3313         }
3314
3315         gtk_widget_destroy (info_bar);
3316         g_free (data->password);
3317         g_slice_free (PasswordData, data);
3318 }
3319
3320 static void
3321 chat_prompt_to_save_password (EmpathyChat *self,
3322                               PasswordData *data)
3323 {
3324         GtkWidget *content_area;
3325         GtkWidget *hbox;
3326         GtkWidget *image;
3327         GtkWidget *label;
3328         GtkWidget *alig;
3329         GtkWidget *button;
3330
3331         /* save the password in case it needs to be saved */
3332         data->password = g_strdup (gtk_entry_get_text (GTK_ENTRY (data->entry)));
3333
3334         /* Remove all previous widgets */
3335         content_area = gtk_info_bar_get_content_area (GTK_INFO_BAR (data->info_bar));
3336         gtk_container_forall (GTK_CONTAINER (content_area),
3337                               (GtkCallback) gtk_widget_destroy, NULL);
3338         data->button = NULL;
3339         data->label = NULL;
3340         data->entry = NULL;
3341         data->spinner = NULL;
3342
3343         gtk_info_bar_set_message_type (GTK_INFO_BAR (data->info_bar),
3344                                        GTK_MESSAGE_QUESTION);
3345
3346         hbox = gtk_hbox_new (FALSE, 5);
3347         gtk_box_pack_start (GTK_BOX (content_area), hbox, TRUE, TRUE, 0);
3348
3349         /* Add image */
3350         image = gtk_image_new_from_stock (GTK_STOCK_DIALOG_AUTHENTICATION,
3351                                           GTK_ICON_SIZE_DIALOG);
3352         gtk_box_pack_start (GTK_BOX (hbox), image, FALSE, FALSE, 0);
3353
3354         /* Add message */
3355         label = gtk_label_new (_("Would you like to store this password?"));
3356         gtk_box_pack_start (GTK_BOX (hbox), label, TRUE, TRUE, 0);
3357
3358         /* Add 'Remember' button */
3359         alig = gtk_alignment_new (0, 0.5, 1, 0);
3360
3361         button = gtk_button_new_with_label (_("Remember"));
3362         gtk_container_add (GTK_CONTAINER (alig), button);
3363         gtk_box_pack_start (GTK_BOX (hbox), alig, FALSE, FALSE, 0);
3364
3365         g_signal_connect (button, "clicked", G_CALLBACK (passwd_remember_button_cb),
3366                           data);
3367
3368         /* Add 'Not now' button */
3369         alig = gtk_alignment_new (0, 0.5, 1, 0);
3370
3371         button = gtk_button_new_with_label (_("Not now"));
3372         gtk_container_add (GTK_CONTAINER (alig), button);
3373         gtk_box_pack_start (GTK_BOX (hbox), alig, FALSE, FALSE, 0);
3374
3375         g_signal_connect (button, "clicked", G_CALLBACK (passwd_not_now_button_cb),
3376                           data);
3377
3378         /* go! */
3379         g_signal_handler_disconnect (data->info_bar, data->response_id);
3380         g_signal_connect (data->info_bar, "response",
3381                           G_CALLBACK (remember_password_infobar_response_cb), data);
3382
3383         gtk_widget_show_all (data->info_bar);
3384 }
3385
3386 static void
3387 provide_password_cb (GObject *tp_chat,
3388                      GAsyncResult *res,
3389                      gpointer user_data)
3390 {
3391         PasswordData *data = user_data;
3392         EmpathyChat *self = data->self;
3393         EmpathyChatPriv *priv = GET_PRIV (self);
3394         GError *error = NULL;
3395
3396         if (!empathy_tp_chat_provide_password_finish (EMPATHY_TP_CHAT (tp_chat), res,
3397                                                       &error)) {
3398                 DEBUG ("error: %s", error->message);
3399                 /* FIXME: what should we do if that's another error? Close the channel?
3400                  * Display the raw D-Bus error to the user isn't very useful */
3401                 if (g_error_matches (error, TP_ERRORS, TP_ERROR_AUTHENTICATION_FAILED)) {
3402                         /* entry */
3403                         gtk_entry_set_text (GTK_ENTRY (data->entry), "");
3404                         gtk_widget_set_sensitive (data->entry, TRUE);
3405                         gtk_widget_grab_focus (data->entry);
3406
3407                         /* info bar */
3408                         gtk_info_bar_set_message_type (
3409                             GTK_INFO_BAR (data->info_bar),
3410                             GTK_MESSAGE_ERROR);
3411
3412                         /* button */
3413                         gtk_widget_set_sensitive (data->button, TRUE);
3414                         gtk_button_set_label (GTK_BUTTON (data->button),
3415                             _("Retry"));
3416
3417                         /* label */
3418                         gtk_label_set_text (GTK_LABEL (data->label),
3419                             _("Wrong password; please try again:"));
3420
3421                         /* spinner */
3422                         gtk_spinner_stop (GTK_SPINNER (data->spinner));
3423                         gtk_widget_hide (data->spinner);
3424                 }
3425                 g_error_free (error);
3426                 return;
3427         }
3428
3429         if (empathy_keyring_is_available ()) {
3430                 /* ask whether they want to save the password */
3431                 chat_prompt_to_save_password (self, data);
3432         } else {
3433                 /* Get rid of the password info bar finally */
3434                 gtk_widget_destroy (data->info_bar);
3435                 g_slice_free (PasswordData, data);
3436         }
3437
3438         /* Room joined */
3439         gtk_widget_set_sensitive (priv->hpaned, TRUE);
3440         gtk_widget_set_sensitive (self->input_text_view, TRUE);
3441         gtk_widget_grab_focus (self->input_text_view);
3442 }
3443
3444 static void
3445 password_infobar_response_cb (GtkWidget *info_bar,
3446                               gint response_id,
3447                               PasswordData *data)
3448 {
3449         EmpathyChatPriv *priv = GET_PRIV (data->self);
3450         const gchar *password;
3451
3452         if (response_id != GTK_RESPONSE_OK) {
3453                 gtk_widget_destroy (info_bar);
3454                 g_slice_free (PasswordData, data);
3455                 return;
3456         }
3457
3458         password = gtk_entry_get_text (GTK_ENTRY (data->entry));
3459
3460         empathy_tp_chat_provide_password_async (priv->tp_chat, password,
3461                                                 provide_password_cb, data);
3462
3463         gtk_widget_set_sensitive (data->button, FALSE);
3464         gtk_widget_set_sensitive (data->entry, FALSE);
3465
3466         gtk_spinner_start (GTK_SPINNER (data->spinner));
3467         gtk_widget_show (data->spinner);
3468 }
3469
3470 static void
3471 password_entry_activate_cb (GtkWidget *entry,
3472                           PasswordData *data)
3473 {
3474         gtk_info_bar_response (GTK_INFO_BAR (data->info_bar), GTK_RESPONSE_OK);
3475 }
3476
3477 static void
3478 passwd_join_button_cb (GtkButton *button,
3479                           PasswordData *data)
3480 {
3481         gtk_info_bar_response (GTK_INFO_BAR (data->info_bar), GTK_RESPONSE_OK);
3482 }
3483
3484 static void
3485 clear_icon_released_cb (GtkEntry *entry,
3486                         GtkEntryIconPosition icon_pos,
3487                         GdkEvent *event,
3488                         PasswordData *data)
3489 {
3490         gtk_entry_set_text (entry, "");
3491 }
3492
3493 static void
3494 password_entry_changed_cb (GtkEditable *entry,
3495                            PasswordData *data)
3496 {
3497         const gchar *str;
3498
3499         str = gtk_entry_get_text (GTK_ENTRY (entry));
3500
3501         gtk_entry_set_icon_sensitive (GTK_ENTRY (entry),
3502             GTK_ENTRY_ICON_SECONDARY, !EMP_STR_EMPTY (str));
3503 }
3504
3505 static void
3506 infobar_chat_invalidated_cb (TpProxy       *proxy,
3507                            guint          domain,
3508                            gint           code,
3509                            gchar         *message,
3510                            gpointer       password_infobar)
3511 {
3512         /* Destroy the password infobar whenever a channel is invalidated
3513          * so we don't have multiple infobars when the MUC is rejoined */
3514         gtk_widget_destroy (GTK_WIDGET (password_infobar));
3515 }
3516
3517 static void
3518 display_password_info_bar (EmpathyChat *self)
3519 {
3520         EmpathyChatPriv *priv = GET_PRIV (self);
3521         GtkWidget *info_bar;
3522         GtkWidget *content_area;
3523         GtkWidget *hbox;
3524         GtkWidget *image;
3525         GtkWidget *label;
3526         GtkWidget *entry;
3527         GtkWidget *alig;
3528         GtkWidget *button;
3529         GtkWidget *spinner;
3530         PasswordData *data;
3531
3532         data = g_slice_new0 (PasswordData);
3533
3534         info_bar = gtk_info_bar_new ();
3535         gtk_info_bar_set_message_type (GTK_INFO_BAR (info_bar),
3536             GTK_MESSAGE_QUESTION);
3537
3538         content_area = gtk_info_bar_get_content_area (GTK_INFO_BAR (info_bar));
3539
3540         hbox = gtk_hbox_new (FALSE, 5);
3541         gtk_box_pack_start (GTK_BOX (content_area), hbox, TRUE, TRUE, 0);
3542
3543         /* Add image */
3544         image = gtk_image_new_from_stock (GTK_STOCK_DIALOG_AUTHENTICATION,
3545                                           GTK_ICON_SIZE_DIALOG);
3546         gtk_box_pack_start (GTK_BOX (hbox), image, FALSE, FALSE, 0);
3547
3548         /* Add message */
3549         label = gtk_label_new (_("This room is protected by a password:"));
3550         gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
3551
3552         /* Add password entry */
3553         entry = gtk_entry_new ();
3554         gtk_entry_set_visibility (GTK_ENTRY (entry), FALSE);
3555         gtk_box_pack_start (GTK_BOX (hbox), entry, TRUE, TRUE, 0);
3556
3557         gtk_entry_set_icon_from_stock (GTK_ENTRY (entry),
3558                                        GTK_ENTRY_ICON_SECONDARY, GTK_STOCK_CLEAR);
3559         gtk_entry_set_icon_sensitive (GTK_ENTRY (entry),
3560                                       GTK_ENTRY_ICON_SECONDARY, FALSE);
3561
3562         g_signal_connect (entry, "icon-release",
3563                           G_CALLBACK (clear_icon_released_cb), data);
3564         g_signal_connect (entry, "changed",
3565                           G_CALLBACK (password_entry_changed_cb), data);
3566
3567         g_signal_connect (entry, "activate",
3568                           G_CALLBACK (password_entry_activate_cb), data);
3569
3570         /* Focus the password entry once it's realized */
3571         g_signal_connect (entry, "realize", G_CALLBACK (gtk_widget_grab_focus), NULL);
3572
3573         /* Add 'Join' button */
3574         alig = gtk_alignment_new (0, 0.5, 1, 0);
3575
3576         button = gtk_button_new_with_label (_("Join"));
3577         gtk_container_add (GTK_CONTAINER (alig), button);
3578         gtk_box_pack_start (GTK_BOX (hbox), alig, FALSE, FALSE, 0);
3579
3580         g_signal_connect (button, "clicked", G_CALLBACK (passwd_join_button_cb),
3581                           data);
3582
3583         /* Add spinner */
3584         spinner = gtk_spinner_new ();
3585         gtk_box_pack_end (GTK_BOX (hbox), spinner, FALSE, FALSE, 0);
3586
3587         /* Save some data for messing around with later */
3588         data->self = self;
3589         data->info_bar = info_bar;
3590         data->button = button;
3591         data->label = label;
3592         data->entry = entry;
3593         data->spinner = spinner;
3594
3595         gtk_box_pack_start (GTK_BOX (priv->info_bar_vbox), info_bar,
3596                             TRUE, TRUE, 3);
3597         gtk_widget_show_all (hbox);
3598
3599         tp_g_signal_connect_object (priv->tp_chat,
3600                                   "invalidated", G_CALLBACK (infobar_chat_invalidated_cb),
3601                                   info_bar, 0);
3602
3603         data->response_id = g_signal_connect (info_bar, "response",
3604                                               G_CALLBACK (password_infobar_response_cb), data);
3605
3606         gtk_widget_show_all (info_bar);
3607         /* ... but hide the spinner */
3608         gtk_widget_hide (spinner);
3609
3610         /* prevent the user from typing anything */
3611         gtk_widget_set_sensitive (self->input_text_view, FALSE);
3612 }
3613
3614 static void
3615 provide_saved_password_cb (GObject *tp_chat,
3616                            GAsyncResult *res,
3617                            gpointer user_data)
3618 {
3619         EmpathyChat *self = user_data;
3620         EmpathyChatPriv *priv = GET_PRIV (self);
3621         GError *error = NULL;
3622
3623         if (!empathy_tp_chat_provide_password_finish (EMPATHY_TP_CHAT (tp_chat), res,
3624                                                       &error)) {
3625                 DEBUG ("error: %s", error->message);
3626                 /* FIXME: what should we do if that's another error? Close the channel?
3627                  * Display the raw D-Bus error to the user isn't very useful */
3628                 if (g_error_matches (error, TP_ERRORS, TP_ERROR_AUTHENTICATION_FAILED)) {
3629                         display_password_info_bar (self);
3630                         gtk_widget_set_sensitive (priv->hpaned, FALSE);
3631                 }
3632                 g_error_free (error);
3633                 return;
3634         }
3635
3636         /* Room joined */
3637         gtk_widget_set_sensitive (priv->hpaned, TRUE);
3638         gtk_widget_grab_focus (self->input_text_view);
3639 }
3640
3641 static void
3642 chat_room_got_password_cb (GObject *source,
3643                            GAsyncResult *result,
3644                            gpointer user_data)
3645 {
3646         EmpathyChat *self = user_data;
3647         EmpathyChatPriv *priv = GET_PRIV (self);
3648         const gchar *password;
3649         GError *error = NULL;
3650
3651         password = empathy_keyring_get_room_password_finish (priv->account,
3652             result, &error);
3653
3654         if (error != NULL) {
3655                 DEBUG ("Couldn't get room password: %s\n", error->message);
3656                 g_clear_error (&error);
3657
3658                 display_password_info_bar (self);
3659                 gtk_widget_set_sensitive (priv->hpaned, FALSE);
3660                 return;
3661         }
3662
3663         empathy_tp_chat_provide_password_async (priv->tp_chat, password,
3664                                                 provide_saved_password_cb, self);
3665 }
3666
3667 static void
3668 chat_password_needed_changed_cb (EmpathyChat *self)
3669 {
3670         EmpathyChatPriv *priv = GET_PRIV (self);
3671
3672         if (empathy_tp_chat_password_needed (priv->tp_chat)) {
3673                 empathy_keyring_get_room_password_async (priv->account,
3674                                                          empathy_tp_chat_get_id (priv->tp_chat),
3675                                                          chat_room_got_password_cb, self);
3676         }
3677 }
3678
3679 static void
3680 chat_sms_channel_changed_cb (EmpathyChat *self)
3681 {
3682         EmpathyChatPriv *priv = GET_PRIV (self);
3683
3684         priv->sms_channel = tp_text_channel_is_sms_channel (
3685                 (TpTextChannel *) priv->tp_chat);
3686         g_object_notify (G_OBJECT (self), "sms-channel");
3687 }
3688
3689 static void
3690 chat_n_messages_sending_changed_cb (EmpathyChat *self)
3691 {
3692         g_object_notify (G_OBJECT (self), "n-messages-sending");
3693 }
3694
3695 void
3696 empathy_chat_set_tp_chat (EmpathyChat   *chat,
3697                           EmpathyTpChat *tp_chat)
3698 {
3699         EmpathyChatPriv *priv = GET_PRIV (chat);
3700         GPtrArray       *properties;
3701
3702         g_return_if_fail (EMPATHY_IS_CHAT (chat));
3703         g_return_if_fail (EMPATHY_IS_TP_CHAT (tp_chat));
3704
3705         if (priv->tp_chat) {
3706                 return;
3707         }
3708
3709         if (priv->account) {
3710                 g_object_unref (priv->account);
3711         }
3712
3713         priv->tp_chat = g_object_ref (tp_chat);
3714         priv->account = g_object_ref (empathy_tp_chat_get_account (priv->tp_chat));
3715
3716         g_signal_connect (tp_chat, "invalidated",
3717                           G_CALLBACK (chat_invalidated_cb),
3718                           chat);
3719         g_signal_connect (tp_chat, "message-received-empathy",
3720                           G_CALLBACK (chat_message_received_cb),
3721                           chat);
3722         g_signal_connect (tp_chat, "message_acknowledged",
3723                           G_CALLBACK (chat_message_acknowledged_cb),
3724                           chat);
3725         g_signal_connect (tp_chat, "send-error",
3726                           G_CALLBACK (chat_send_error_cb),
3727                           chat);
3728         g_signal_connect (tp_chat, "chat-state-changed-empathy",
3729                           G_CALLBACK (chat_state_changed_cb),
3730                           chat);
3731         g_signal_connect (tp_chat, "property-changed",
3732                           G_CALLBACK (chat_property_changed_cb),
3733                           chat);
3734         g_signal_connect (tp_chat, "members-changed",
3735                           G_CALLBACK (chat_members_changed_cb),
3736                           chat);
3737         g_signal_connect (tp_chat, "member-renamed",
3738                           G_CALLBACK (chat_member_renamed_cb),
3739                           chat);
3740         g_signal_connect_swapped (tp_chat, "notify::remote-contact",
3741                                   G_CALLBACK (chat_remote_contact_changed_cb),
3742                                   chat);
3743         g_signal_connect_swapped (tp_chat, "notify::password-needed",
3744                                   G_CALLBACK (chat_password_needed_changed_cb),
3745                                   chat);
3746         g_signal_connect_swapped (tp_chat, "notify::is-sms-channel",
3747                                   G_CALLBACK (chat_sms_channel_changed_cb),
3748                                   chat);
3749         g_signal_connect_swapped (tp_chat, "notify::n-messages-sending",
3750                                   G_CALLBACK (chat_n_messages_sending_changed_cb),
3751                                   chat);
3752
3753         /* Get initial value of properties */
3754         properties = empathy_tp_chat_get_properties (priv->tp_chat);
3755         if (properties != NULL) {
3756                 guint i;
3757
3758                 for (i = 0; i < properties->len; i++) {
3759                         EmpathyTpChatProperty *property;
3760
3761                         property = g_ptr_array_index (properties, i);
3762                         if (property->value == NULL)
3763                                 continue;
3764
3765                         chat_property_changed_cb (priv->tp_chat,
3766                                                   property->name,
3767                                                   property->value,
3768                                                   chat);
3769                 }
3770         }
3771
3772         chat_sms_channel_changed_cb (chat);
3773         chat_remote_contact_changed_cb (chat);
3774
3775         if (chat->input_text_view) {
3776                 gtk_widget_set_sensitive (chat->input_text_view, TRUE);
3777                 if (priv->block_events_timeout_id == 0) {
3778                         empathy_chat_view_append_event (chat->view, _("Connected"));
3779                 }
3780         }
3781
3782         g_object_notify (G_OBJECT (chat), "tp-chat");
3783         g_object_notify (G_OBJECT (chat), "id");
3784         g_object_notify (G_OBJECT (chat), "account");
3785
3786         /* This is a noop when tp-chat is set at object construction time and causes
3787          * the pending messages to be show when it's set on the object after it has
3788          * been created */
3789         show_pending_messages (chat);
3790
3791         /* check if a password is needed */
3792         chat_password_needed_changed_cb (chat);
3793 }
3794
3795 TpAccount *
3796 empathy_chat_get_account (EmpathyChat *chat)
3797 {
3798         EmpathyChatPriv *priv = GET_PRIV (chat);
3799
3800         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
3801
3802         return priv->account;
3803 }
3804
3805 const gchar *
3806 empathy_chat_get_id (EmpathyChat *chat)
3807 {
3808         EmpathyChatPriv *priv = GET_PRIV (chat);
3809
3810         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
3811
3812         return priv->id;
3813 }
3814
3815 gchar *
3816 empathy_chat_dup_name (EmpathyChat *chat)
3817 {
3818         EmpathyChatPriv *priv = GET_PRIV (chat);
3819         const gchar *ret;
3820
3821         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
3822
3823         ret = priv->name;
3824
3825         if (!ret && priv->remote_contact) {
3826                 ret = empathy_contact_get_alias (priv->remote_contact);
3827         }
3828
3829         if (!ret)
3830                 ret = priv->id;
3831
3832         if (!ret)
3833                 ret = _("Conversation");
3834
3835         if (priv->sms_channel)
3836                 /* Translators: this string is a something like
3837                  * "Escher Cat (SMS)" */
3838                 return g_strdup_printf (_("%s (SMS)"), ret);
3839         else
3840                 return g_strdup (ret);
3841 }
3842
3843 const gchar *
3844 empathy_chat_get_subject (EmpathyChat *chat)
3845 {
3846         EmpathyChatPriv *priv = GET_PRIV (chat);
3847
3848         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
3849
3850         return priv->subject;
3851 }
3852
3853 EmpathyContact *
3854 empathy_chat_get_remote_contact (EmpathyChat *chat)
3855 {
3856         EmpathyChatPriv *priv = GET_PRIV (chat);
3857
3858         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
3859
3860         return priv->remote_contact;
3861 }
3862
3863 GtkWidget *
3864 empathy_chat_get_contact_menu (EmpathyChat *chat)
3865 {
3866         EmpathyChatPriv *priv = GET_PRIV (chat);
3867         GtkWidget       *menu = NULL;
3868
3869         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
3870
3871         if (priv->remote_contact) {
3872                 menu = empathy_contact_menu_new (priv->remote_contact,
3873                                                  EMPATHY_CONTACT_FEATURE_CALL |
3874                                                  EMPATHY_CONTACT_FEATURE_LOG |
3875                                                  EMPATHY_CONTACT_FEATURE_INFO |
3876                                                  EMPATHY_CONTACT_FEATURE_BLOCK);
3877         }
3878
3879         return menu;
3880 }
3881
3882 void
3883 empathy_chat_clear (EmpathyChat *chat)
3884 {
3885         g_return_if_fail (EMPATHY_IS_CHAT (chat));
3886
3887         empathy_chat_view_clear (chat->view);
3888 }
3889
3890 void
3891 empathy_chat_scroll_down (EmpathyChat *chat)
3892 {
3893         g_return_if_fail (EMPATHY_IS_CHAT (chat));
3894
3895         empathy_chat_view_scroll_down (chat->view);
3896 }
3897
3898 void
3899 empathy_chat_cut (EmpathyChat *chat)
3900 {
3901         GtkTextBuffer *buffer;
3902
3903         g_return_if_fail (EMPATHY_IS_CHAT (chat));
3904
3905         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
3906         if (gtk_text_buffer_get_has_selection (buffer)) {
3907                 GtkClipboard *clipboard;
3908
3909                 clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
3910
3911                 gtk_text_buffer_cut_clipboard (buffer, clipboard, TRUE);
3912         }
3913 }
3914
3915 void
3916 empathy_chat_copy (EmpathyChat *chat)
3917 {
3918         GtkTextBuffer *buffer;
3919
3920         g_return_if_fail (EMPATHY_IS_CHAT (chat));
3921
3922         if (empathy_chat_view_get_has_selection (chat->view)) {
3923                 empathy_chat_view_copy_clipboard (chat->view);
3924                 return;
3925         }
3926
3927         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
3928         if (gtk_text_buffer_get_has_selection (buffer)) {
3929                 GtkClipboard *clipboard;
3930
3931                 clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
3932
3933                 gtk_text_buffer_copy_clipboard (buffer, clipboard);
3934         }
3935         else {
3936                 gint start_offset;
3937                 gint end_offset;
3938                 EmpathyChatPriv *priv = GET_PRIV (chat);
3939
3940                 if (gtk_label_get_selection_bounds (GTK_LABEL (priv->label_topic),
3941                                                                &start_offset,
3942                                                                &end_offset)) {
3943                         gchar *start;
3944                         gchar *end;
3945                         gchar *selection;
3946                         const gchar *topic;
3947                         GtkClipboard *clipboard;
3948
3949                         topic = gtk_label_get_text (GTK_LABEL (priv->label_topic));
3950                         start = g_utf8_offset_to_pointer (topic, start_offset);
3951                         end = g_utf8_offset_to_pointer (topic, end_offset);
3952                         selection = g_strndup (start, end - start);
3953
3954                         clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
3955                         gtk_clipboard_set_text (clipboard, selection, -1);
3956
3957                         g_free (selection);
3958                 }
3959         }
3960 }
3961
3962 void
3963 empathy_chat_paste (EmpathyChat *chat)
3964 {
3965         GtkTextBuffer *buffer;
3966         GtkClipboard  *clipboard;
3967         EmpathyChatPriv *priv;
3968
3969         g_return_if_fail (EMPATHY_IS_CHAT (chat));
3970
3971         priv = GET_PRIV (chat);
3972
3973         if (gtk_widget_get_visible (priv->search_bar)) {
3974                 empathy_search_bar_paste_clipboard (EMPATHY_SEARCH_BAR (priv->search_bar));
3975                 return;
3976         }
3977
3978         if (priv->tp_chat == NULL ||
3979             !gtk_widget_is_sensitive (chat->input_text_view))
3980                 return;
3981
3982         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
3983         clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
3984
3985         gtk_text_buffer_paste_clipboard (buffer, clipboard, NULL, TRUE);
3986 }
3987
3988 void
3989 empathy_chat_find (EmpathyChat *chat)
3990 {
3991         EmpathyChatPriv *priv;
3992
3993         g_return_if_fail (EMPATHY_IS_CHAT (chat));
3994
3995         priv = GET_PRIV (chat);
3996
3997         empathy_search_bar_show (EMPATHY_SEARCH_BAR (priv->search_bar));
3998 }
3999
4000 void
4001 empathy_chat_correct_word (EmpathyChat  *chat,
4002                           GtkTextIter *start,
4003                           GtkTextIter *end,
4004                           const gchar *new_word)
4005 {
4006         GtkTextBuffer *buffer;
4007
4008         g_return_if_fail (chat != NULL);
4009         g_return_if_fail (new_word != NULL);
4010
4011         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
4012
4013         gtk_text_buffer_delete (buffer, start, end);
4014         gtk_text_buffer_insert (buffer, start,
4015                                 new_word,
4016                                 -1);
4017 }
4018
4019 gboolean
4020 empathy_chat_is_room (EmpathyChat *chat)
4021 {
4022         EmpathyChatPriv *priv = GET_PRIV (chat);
4023
4024         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), FALSE);
4025
4026         return (priv->handle_type == TP_HANDLE_TYPE_ROOM);
4027 }
4028
4029 guint
4030 empathy_chat_get_nb_unread_messages (EmpathyChat *self)
4031 {
4032         EmpathyChatPriv *priv = GET_PRIV (self);
4033
4034         g_return_val_if_fail (EMPATHY_IS_CHAT (self), 0);
4035
4036         return priv->unread_messages;
4037 }
4038
4039 /* called when the messages have been read by user */
4040 void
4041 empathy_chat_messages_read (EmpathyChat *self)
4042 {
4043         EmpathyChatPriv *priv = GET_PRIV (self);
4044
4045         g_return_if_fail (EMPATHY_IS_CHAT (self));
4046
4047         /* FIXME: See Bug#610994, See comments about it in EmpathyChatPriv
4048          * definition. If we are still retrieving the backlogs, do not ACK */
4049         if (priv->retrieving_backlogs)
4050                 return;
4051
4052         if (priv->tp_chat != NULL) {
4053                 empathy_tp_chat_acknowledge_all_messages (priv->tp_chat);
4054         }
4055 }
4056
4057 /* Return TRUE if on of the contacts in this chat is composing */
4058 gboolean
4059 empathy_chat_is_composing (EmpathyChat *chat)
4060 {
4061   return chat->priv->compositors != NULL;
4062 }
4063
4064 gboolean
4065 empathy_chat_is_sms_channel (EmpathyChat *self)
4066 {
4067         EmpathyChatPriv *priv = GET_PRIV (self);
4068
4069         g_return_val_if_fail (EMPATHY_IS_CHAT (self), 0);
4070
4071         return priv->sms_channel;
4072 }
4073
4074 guint
4075 empathy_chat_get_n_messages_sending (EmpathyChat *self)
4076 {
4077         EmpathyChatPriv *priv;
4078
4079         g_return_val_if_fail (EMPATHY_IS_CHAT (self), 0);
4080
4081         priv = GET_PRIV (self);
4082
4083         if (priv->tp_chat == NULL) {
4084                 return 0;
4085         } else {
4086                 guint n_messages;
4087
4088                 g_object_get (priv->tp_chat,
4089                         "n-messages-sending", &n_messages,
4090                         NULL);
4091
4092                 return n_messages;
4093         }
4094 }
4095
4096 gchar *
4097 empathy_chat_dup_text (EmpathyChat *self)
4098 {
4099         GtkTextBuffer *buffer;
4100         GtkTextIter     start, end;
4101
4102         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (self->input_text_view));
4103
4104         gtk_text_buffer_get_bounds (buffer, &start, &end);
4105         return gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
4106 }
4107
4108 void
4109 empathy_chat_set_text (EmpathyChat *self,
4110                        const gchar *text)
4111 {
4112         GtkTextBuffer *buffer;
4113
4114         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (self->input_text_view));
4115
4116         gtk_text_buffer_set_text (buffer, text, -1);
4117 }