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 <libempathy/empathy-contact-list.h>
  42 #include <libempathy/empathy-gsettings.h>
  43 #include <libempathy/empathy-keyring.h>
  44 #include <libempathy/empathy-utils.h>
  45 #include <libempathy/empathy-request-util.h>
  46 #include <libempathy/empathy-chatroom-manager.h>
  47 #include <src/empathy-chat-window.h>
  48
  49 #include "empathy-chat.h"
  50 #include "empathy-spell.h"
  51 #include "empathy-contact-list-store.h"
  52 #include "empathy-contact-list-view.h"
  53 #include "empathy-contact-menu.h"
  54 #include "empathy-gtk-marshal.h"
  55 #include "empathy-input-text-view.h"
  56 #include "empathy-search-bar.h"
  57 #include "empathy-theme-manager.h"
  58 #include "empathy-smiley-manager.h"
  59 #include "empathy-ui-utils.h"
  60 #include "empathy-string-parser.h"
  61 #include "extensions/extensions.h"
  62
  63 #define DEBUG_FLAG EMPATHY_DEBUG_CHAT
  64 #include <libempathy/empathy-debug.h>
  65
  66 #define IS_ENTER(v) (v == GDK_KEY_Return || v == GDK_KEY_ISO_Enter || v == GDK_KEY_KP_Enter)
  67 #define COMPOSING_STOP_TIMEOUT 5
  68
  69 #define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyChat)
  70 struct _EmpathyChatPriv {
  71         EmpathyTpChat     *tp_chat;
  72         TpAccount         *account;
  73         gchar             *id;
  74         gchar             *name;
  75         gchar             *subject;
  76         EmpathyContact    *remote_contact;
  77         gboolean           show_contacts;
  78
  79         GSettings         *gsettings_chat;
  80         GSettings         *gsettings_ui;
  81
  82         TplLogManager     *log_manager;
  83         TpAccountManager  *account_manager;
  84         GList             *input_history;
  85         GList             *input_history_current;
  86         GList             *compositors;
  87         GCompletion       *completion;
  88         guint              composing_stop_timeout_id;
  89         guint              block_events_timeout_id;
  90         TpHandleType       handle_type;
  91         gint               contacts_width;
  92         gboolean           has_input_vscroll;
  93
  94         /* TRUE if spell checking is enabled, FALSE otherwise.
  95          * This is to keep track of the last state of spell checking
  96          * when it changes. */
  97         gboolean           spell_checking_enabled;
  98
  99         /* These store the signal handler ids for the enclosed text entry. */
 100         gulong             insert_text_id;
 101         gulong             delete_range_id;
 102         gulong             notify_cursor_position_id;
 103
 104         /* Source func ID for update_misspelled_words () */
 105         guint              update_misspelled_words_id;
 106         /* Source func ID for save_paned_pos_timeout () */
 107         guint              save_paned_pos_id;
 108
 109         GtkWidget         *widget;
 110         GtkWidget         *hpaned;
 111         GtkWidget         *vbox_left;
 112         GtkWidget         *scrolled_window_chat;
 113         GtkWidget         *scrolled_window_input;
 114         GtkWidget         *scrolled_window_contacts;
 115         GtkWidget         *hbox_topic;
 116         GtkWidget         *expander_topic;
 117         GtkWidget         *label_topic;
 118         GtkWidget         *contact_list_view;
 119         GtkWidget         *info_bar_vbox;
 120         GtkWidget         *search_bar;
 121
 122         guint              unread_messages;
 123         /* TRUE if the pending messages can be displayed. This is to avoid to show
 124          * pending messages *before* messages from logs. (#603980) */
 125         gboolean           can_show_pending;
 126
 127         /* FIXME: retrieving_backlogs flag is a workaround for Bug#610994 and should
 128          * be differently handled since it introduces another race condition, which
 129          * is really hard to occur, but still possible.
 130          *
 131          * With the current workaround (which has the race above), we need to be
 132          * sure to ACK any pending messages only when the retrieval of backlogs is
 133          * finished, that's why using retrieving_backlogs flag.
 134          * empathy_chat_messages_read () will check this variable and not ACK
 135          * anything when TRUE. It will be set TRUE at chat_constructed () and set
 136          * back to FALSE when the backlog has been retrieved and the pending
 137          * messages actually showed to the user.
 138          *
 139          * Race condition introduced with this workaround:
 140          * Scenario: a message is pending, the user is notified and selects the tab.
 141          * the tab with a pending message is focused before the messages are properly
 142          * shown (since the preparation of the window is slower AND async WRT the
 143          * tab showing), which means the user won't see any new messages (rare but
 144          * possible), if he/she will change tab focus before the messages are
 145          * properly shown, the tab will be set as 'seen' and the user won't be
 146          * notified again about the already notified pending messages when the
 147          * messages in tab will be properly shown */
 148         gboolean           retrieving_backlogs;
 149         gboolean           sms_channel;
 150 };
 151
 152 typedef struct {
 153         gchar *text; /* Original message that was specified
 154                       * upon entry creation. */
 155         gchar *modified_text; /* Message that was modified by user.
 156                                * When no modifications were made, it is NULL */
 157 } InputHistoryEntry;
 158
 159 enum {
 160         COMPOSING,
 161         NEW_MESSAGE,
 162         LAST_SIGNAL
 163 };
 164
 165 enum {
 166         PROP_0,
 167         PROP_TP_CHAT,
 168         PROP_ACCOUNT,
 169         PROP_ID,
 170         PROP_NAME,
 171         PROP_SUBJECT,
 172         PROP_REMOTE_CONTACT,
 173         PROP_SHOW_CONTACTS,
 174         PROP_SMS_CHANNEL,
 175         PROP_N_MESSAGES_SENDING,
 176         PROP_NB_UNREAD_MESSAGES,
 177 };
 178
 179 static guint signals[LAST_SIGNAL] = { 0 };
 180
 181 G_DEFINE_TYPE (EmpathyChat, empathy_chat, GTK_TYPE_BIN);
 182
 183 static gboolean update_misspelled_words (gpointer data);
 184
 185 static void
 186 chat_get_property (GObject    *object,
 187                    guint       param_id,
 188                    GValue     *value,
 189                    GParamSpec *pspec)
 190 {
 191         EmpathyChat *chat = EMPATHY_CHAT (object);
 192         EmpathyChatPriv *priv = GET_PRIV (object);
 193
 194         switch (param_id) {
 195         case PROP_TP_CHAT:
 196                 g_value_set_object (value, priv->tp_chat);
 197                 break;
 198         case PROP_ACCOUNT:
 199                 g_value_set_object (value, priv->account);
 200                 break;
 201         case PROP_NAME:
 202                 g_value_take_string (value, empathy_chat_dup_name (chat));
 203                 break;
 204         case PROP_ID:
 205                 g_value_set_string (value, priv->id);
 206                 break;
 207         case PROP_SUBJECT:
 208                 g_value_set_string (value, priv->subject);
 209                 break;
 210         case PROP_REMOTE_CONTACT:
 211                 g_value_set_object (value, priv->remote_contact);
 212                 break;
 213         case PROP_SHOW_CONTACTS:
 214                 g_value_set_boolean (value, priv->show_contacts);
 215                 break;
 216         case PROP_SMS_CHANNEL:
 217                 g_value_set_boolean (value, priv->sms_channel);
 218                 break;
 219         case PROP_N_MESSAGES_SENDING:
 220                 g_value_set_uint (value,
 221                         empathy_chat_get_n_messages_sending (chat));
 222                 break;
 223         case PROP_NB_UNREAD_MESSAGES:
 224                 g_value_set_uint (value,
 225                         empathy_chat_get_nb_unread_messages (chat));
 226                 break;
 227         default:
 228                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 229                 break;
 230         };
 231 }
 232
 233 static void
 234 chat_set_property (GObject      *object,
 235                    guint         param_id,
 236                    const GValue *value,
 237                    GParamSpec   *pspec)
 238 {
 239         EmpathyChat *chat = EMPATHY_CHAT (object);
 240
 241         switch (param_id) {
 242         case PROP_TP_CHAT:
 243                 empathy_chat_set_tp_chat (chat, EMPATHY_TP_CHAT (g_value_get_object (value)));
 244                 break;
 245         case PROP_SHOW_CONTACTS:
 246                 empathy_chat_set_show_contacts (chat, g_value_get_boolean (value));
 247                 break;
 248         default:
 249                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 250                 break;
 251         };
 252 }
 253
 254 static void
 255 account_reconnected (EmpathyChat *chat,
 256                         TpAccount *account)
 257 {
 258         EmpathyChatPriv *priv = GET_PRIV (chat);
 259
 260         DEBUG ("Account reconnected, request a new Text channel");
 261
 262         /* FIXME: Ideally we should ask to handle ourself the channel so we can
 263         * report the error if any but this is blocked by
 264         * https://bugs.freedesktop.org/show_bug.cgi?id=13422 */
 265         switch (priv->handle_type) {
 266                 case TP_HANDLE_TYPE_CONTACT:
 267                         if (priv->sms_channel)
 268                                 empathy_sms_contact_id (
 269                                         account, priv->id,
 270                                         TP_USER_ACTION_TIME_NOT_USER_ACTION);
 271                         else
 272                                 empathy_chat_with_contact_id (
 273                                         account, priv->id,
 274                                         TP_USER_ACTION_TIME_NOT_USER_ACTION);
 275                         break;
 276                 case TP_HANDLE_TYPE_ROOM:
 277                         empathy_join_muc (account, priv->id,
 278                                 TP_USER_ACTION_TIME_NOT_USER_ACTION);
 279                         break;
 280                 case TP_HANDLE_TYPE_NONE:
 281                 case TP_HANDLE_TYPE_LIST:
 282                 case TP_HANDLE_TYPE_GROUP:
 283                 default:
 284                         g_assert_not_reached ();
 285                         break;
 286         }
 287
 288         g_object_unref (chat);
 289 }
 290
 291 static void
 292 chat_new_connection_cb (TpAccount   *account,
 293                         guint        old_status,
 294                         guint        new_status,
 295                         guint        reason,
 296                         gchar       *dbus_error_name,
 297                         GHashTable  *details,
 298                         EmpathyChat *chat)
 299 {
 300         EmpathyChatPriv *priv = GET_PRIV (chat);
 301
 302         if (new_status != TP_CONNECTION_STATUS_CONNECTED)
 303                 return;
 304
 305         if (priv->tp_chat != NULL || account != priv->account ||
 306             priv->handle_type == TP_HANDLE_TYPE_NONE ||
 307             EMP_STR_EMPTY (priv->id))
 308                 return;
 309
 310         g_object_ref (chat);
 311
 312         account_reconnected (chat, account);
 313 }
 314
 315 static void
 316 chat_composing_remove_timeout (EmpathyChat *chat)
 317 {
 318         EmpathyChatPriv *priv;
 319
 320         priv = GET_PRIV (chat);
 321
 322         if (priv->composing_stop_timeout_id) {
 323                 g_source_remove (priv->composing_stop_timeout_id);
 324                 priv->composing_stop_timeout_id = 0;
 325         }
 326 }
 327
 328 static gboolean
 329 chat_composing_stop_timeout_cb (EmpathyChat *chat)
 330 {
 331         EmpathyChatPriv *priv;
 332
 333         priv = GET_PRIV (chat);
 334
 335         priv->composing_stop_timeout_id = 0;
 336         empathy_tp_chat_set_state (priv->tp_chat,
 337                                    TP_CHANNEL_CHAT_STATE_PAUSED);
 338
 339         return FALSE;
 340 }
 341
 342 static void
 343 chat_composing_start (EmpathyChat *chat)
 344 {
 345         EmpathyChatPriv *priv;
 346
 347         priv = GET_PRIV (chat);
 348
 349         if (priv->composing_stop_timeout_id) {
 350                 /* Just restart the timeout */
 351                 chat_composing_remove_timeout (chat);
 352         } else {
 353                 empathy_tp_chat_set_state (priv->tp_chat,
 354                                            TP_CHANNEL_CHAT_STATE_COMPOSING);
 355         }
 356
 357         priv->composing_stop_timeout_id = g_timeout_add_seconds (
 358                 COMPOSING_STOP_TIMEOUT,
 359                 (GSourceFunc) chat_composing_stop_timeout_cb,
 360                 chat);
 361 }
 362
 363 static void
 364 chat_composing_stop (EmpathyChat *chat)
 365 {
 366         EmpathyChatPriv *priv;
 367
 368         priv = GET_PRIV (chat);
 369
 370         chat_composing_remove_timeout (chat);
 371         empathy_tp_chat_set_state (priv->tp_chat,
 372                                    TP_CHANNEL_CHAT_STATE_ACTIVE);
 373 }
 374
 375 static gint
 376 chat_input_history_entry_cmp (InputHistoryEntry *entry,
 377                               const gchar *text)
 378 {
 379         if (!tp_strdiff (entry->text, text)) {
 380                 if (entry->modified_text != NULL) {
 381                         /* Modified entry and single string cannot be equal. */
 382                         return 1;
 383                 }
 384                 return 0;
 385         }
 386         return 1;
 387 }
 388
 389 static InputHistoryEntry *
 390 chat_input_history_entry_new_with_text (const gchar *text)
 391 {
 392         InputHistoryEntry *entry;
 393         entry = g_slice_new0 (InputHistoryEntry);
 394         entry->text = g_strdup (text);
 395
 396         return entry;
 397 }
 398
 399 static void
 400 chat_input_history_entry_free (InputHistoryEntry *entry)
 401 {
 402         g_free (entry->text);
 403         g_free (entry->modified_text);
 404         g_slice_free (InputHistoryEntry, entry);
 405 }
 406
 407 static void
 408 chat_input_history_entry_revert (InputHistoryEntry *entry)
 409 {
 410         g_free (entry->modified_text);
 411         entry->modified_text = NULL;
 412 }
 413
 414 static void
 415 chat_input_history_entry_update_text (InputHistoryEntry *entry,
 416                                       const gchar *text)
 417 {
 418         gchar *old;
 419
 420         if (!tp_strdiff (text, entry->text)) {
 421                 g_free (entry->modified_text);
 422                 entry->modified_text = NULL;
 423                 return;
 424         }
 425
 426         old = entry->modified_text;
 427         entry->modified_text = g_strdup (text);
 428         g_free (old);
 429 }
 430
 431 static const gchar *
 432 chat_input_history_entry_get_text (InputHistoryEntry *entry)
 433 {
 434         if (entry == NULL) {
 435                 return NULL;
 436         }
 437
 438         if (entry->modified_text != NULL) {
 439                 return entry->modified_text;
 440         }
 441         return entry->text;
 442 }
 443
 444 static GList *
 445 chat_input_history_remove_item (GList *list,
 446                                 GList *item)
 447 {
 448         list = g_list_remove_link (list, item);
 449         chat_input_history_entry_free (item->data);
 450         g_list_free_1 (item);
 451         return list;
 452 }
 453
 454 static void
 455 chat_input_history_revert (EmpathyChat *chat)
 456 {
 457         EmpathyChatPriv   *priv;
 458         GList             *list;
 459         GList             *item1;
 460         GList             *item2;
 461         InputHistoryEntry *entry;
 462
 463         priv = GET_PRIV (chat);
 464         list = priv->input_history;
 465
 466         if (list == NULL) {
 467                 DEBUG ("No input history");
 468                 return;
 469         }
 470
 471         /* Delete temporary entry */
 472         if (priv->input_history_current != NULL) {
 473                 item1 = list;
 474                 list = chat_input_history_remove_item (list, item1);
 475                 if (priv->input_history_current == item1) {
 476                         /* Removed temporary entry was current entry */
 477                         priv->input_history = list;
 478                         priv->input_history_current = NULL;
 479                         return;
 480                 }
 481         }
 482         else {
 483                 /* There is no entry to revert */
 484                 return;
 485         }
 486
 487         /* Restore the current history entry to original value */
 488         item1 = priv->input_history_current;
 489         entry = item1->data;
 490         chat_input_history_entry_revert (entry);
 491
 492         /* Remove restored entry if there is other occurance before this entry */
 493         item2 = g_list_find_custom (list, chat_input_history_entry_get_text (entry),
 494                                     (GCompareFunc) chat_input_history_entry_cmp);
 495         if (item2 != item1) {
 496                 list = chat_input_history_remove_item (list, item1);
 497         }
 498         else {
 499                 /* Remove other occurance of the restored entry */
 500                 item2 = g_list_find_custom (item1->next,
 501                                             chat_input_history_entry_get_text (entry),
 502                                             (GCompareFunc) chat_input_history_entry_cmp);
 503                 if (item2 != NULL) {
 504                         list = chat_input_history_remove_item (list, item2);
 505                 }
 506         }
 507
 508         priv->input_history_current = NULL;
 509         priv->input_history = list;
 510 }
 511
 512 static void
 513 chat_input_history_add (EmpathyChat  *chat,
 514                         const gchar *str,
 515                         gboolean temporary)
 516 {
 517         EmpathyChatPriv   *priv;
 518         GList             *list;
 519         GList             *item;
 520         InputHistoryEntry *entry;
 521
 522         priv = GET_PRIV (chat);
 523
 524         list = priv->input_history;
 525
 526         /* Remove any other occurances of this entry, if not temporary */
 527         if (!temporary) {
 528                 while ((item = g_list_find_custom (list, str,
 529                     (GCompareFunc) chat_input_history_entry_cmp)) != NULL) {
 530                         list = chat_input_history_remove_item (list, item);
 531                 }
 532
 533                 /* Trim the list to the last 10 items */
 534                 while (g_list_length (list) > 10) {
 535                         item = g_list_last (list);
 536                         if (item != NULL) {
 537                                 list = chat_input_history_remove_item (list, item);
 538                         }
 539                 }
 540         }
 541
 542
 543
 544         /* Add new entry */
 545         entry = chat_input_history_entry_new_with_text (str);
 546         list = g_list_prepend (list, entry);
 547
 548         /* Set the list and the current item pointer */
 549         priv->input_history = list;
 550         if (temporary) {
 551                 priv->input_history_current = list;
 552         }
 553         else {
 554                 priv->input_history_current = NULL;
 555         }
 556 }
 557
 558 static const gchar *
 559 chat_input_history_get_next (EmpathyChat *chat)
 560 {
 561         EmpathyChatPriv *priv;
 562         GList           *item;
 563         const gchar     *msg;
 564
 565         priv = GET_PRIV (chat);
 566
 567         if (priv->input_history == NULL) {
 568                 DEBUG ("No input history, next entry is NULL");
 569                 return NULL;
 570         }
 571         g_assert (priv->input_history_current != NULL);
 572
 573         if ((item = g_list_next (priv->input_history_current)) == NULL)
 574         {
 575                 item = priv->input_history_current;
 576         }
 577
 578         msg = chat_input_history_entry_get_text (item->data);
 579
 580         DEBUG ("Returning next entry: '%s'", msg);
 581
 582         priv->input_history_current = item;
 583
 584         return msg;
 585 }
 586
 587 static const gchar *
 588 chat_input_history_get_prev (EmpathyChat *chat)
 589 {
 590         EmpathyChatPriv *priv;
 591         GList           *item;
 592         const gchar     *msg;
 593
 594         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
 595
 596         priv = GET_PRIV (chat);
 597
 598         if (priv->input_history == NULL) {
 599                 DEBUG ("No input history, previous entry is NULL");
 600                 return NULL;
 601         }
 602
 603         if (priv->input_history_current == NULL)
 604         {
 605                 return NULL;
 606         }
 607         else if ((item = g_list_previous (priv->input_history_current)) == NULL)
 608         {
 609                 item = priv->input_history_current;
 610         }
 611
 612         msg = chat_input_history_entry_get_text (item->data);
 613
 614         DEBUG ("Returning previous entry: '%s'", msg);
 615
 616         priv->input_history_current = item;
 617
 618         return msg;
 619 }
 620
 621 static void
 622 chat_input_history_update (EmpathyChat *chat,
 623                            GtkTextBuffer *buffer)
 624 {
 625         EmpathyChatPriv      *priv;
 626         GtkTextIter           start, end;
 627         gchar                *text;
 628         InputHistoryEntry    *entry;
 629
 630         priv = GET_PRIV (chat);
 631
 632         gtk_text_buffer_get_bounds (buffer, &start, &end);
 633         text = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
 634
 635         if (priv->input_history_current == NULL) {
 636                 /* Add the current text temporarily to the history */
 637                 chat_input_history_add (chat, text, TRUE);
 638                 g_free (text);
 639                 return;
 640         }
 641
 642         /* Save the changes in the history */
 643         entry = priv->input_history_current->data;
 644         if (tp_strdiff (chat_input_history_entry_get_text (entry), text)) {
 645                 chat_input_history_entry_update_text (entry, text);
 646         }
 647
 648         g_free (text);
 649 }
 650
 651 typedef struct {
 652         EmpathyChat *chat;
 653         gchar *message;
 654 } ChatCommandMsgData;
 655
 656 static void
 657 chat_command_msg_cb (GObject *source,
 658                               GAsyncResult *result,
 659                               gpointer                  user_data)
 660 {
 661         ChatCommandMsgData *data = user_data;
 662         GError *error = NULL;
 663         TpChannel *channel;
 664
 665         channel = tp_account_channel_request_ensure_and_observe_channel_finish (
 666                                         TP_ACCOUNT_CHANNEL_REQUEST (source), result, &error);
 667
 668         if (channel == NULL) {
 669                 DEBUG ("Failed to get channel: %s", error->message);
 670                 g_error_free (error);
 671
 672                 empathy_chat_view_append_event (data->chat->view,
 673                         _("Failed to open private chat"));
 674                 goto OUT;
 675         }
 676
 677         if (!EMP_STR_EMPTY (data->message) && TP_IS_TEXT_CHANNEL (channel)) {
 678                 TpTextChannel *text = (TpTextChannel *) channel;
 679                 TpMessage *msg;
 680
 681                 msg = tp_client_message_new_text (TP_CHANNEL_TEXT_MESSAGE_TYPE_NORMAL,
 682                         data->message);
 683
 684                 tp_text_channel_send_message_async (text, msg, 0, NULL, NULL);
 685
 686                 g_object_unref (msg);
 687         }
 688
 689         g_object_unref (channel);
 690
 691 OUT:
 692         g_free (data->message);
 693         g_slice_free (ChatCommandMsgData, data);
 694 }
 695
 696 static gboolean
 697 nick_command_supported (EmpathyChat *chat)
 698 {
 699         EmpathyChatPriv * priv = GET_PRIV (chat);
 700         TpConnection    *connection;
 701
 702         connection = empathy_tp_chat_get_connection (priv->tp_chat);
 703         return tp_proxy_has_interface_by_id (connection,
 704                 EMP_IFACE_QUARK_CONNECTION_INTERFACE_RENAMING);
 705 }
 706
 707 #if 0
 708 static gboolean
 709 part_command_supported (EmpathyChat *chat)
 710 {
 711         EmpathyChatPriv * priv = GET_PRIV (chat);
 712         TpChannel *channel;
 713
 714         channel = empathy_tp_chat_get_channel (priv->tp_chat);
 715         return tp_proxy_has_interface_by_id (channel,
 716                         TP_IFACE_QUARK_CHANNEL_INTERFACE_GROUP);
 717 }
 718 #endif
 719
 720 static void
 721 chat_command_clear (EmpathyChat *chat,
 722                     GStrv        strv)
 723 {
 724         empathy_chat_view_clear (chat->view);
 725 }
 726
 727 static void
 728 chat_command_topic (EmpathyChat *chat,
 729                     GStrv        strv)
 730 {
 731         EmpathyChatPriv *priv = GET_PRIV (chat);
 732         EmpathyTpChatProperty *property;
 733         GValue value = {0, };
 734
 735         property = empathy_tp_chat_get_property (priv->tp_chat, "subject");
 736         if (property == NULL) {
 737                 empathy_chat_view_append_event (chat->view,
 738                         _("Topic not supported on this conversation"));
 739                 return;
 740         }
 741
 742         if (!(property->flags & TP_PROPERTY_FLAG_WRITE)) {
 743                 empathy_chat_view_append_event (chat->view,
 744                         _("You are not allowed to change the topic"));
 745                 return;
 746         }
 747
 748         g_value_init (&value, G_TYPE_STRING);
 749         g_value_set_string (&value, strv[1]);
 750         empathy_tp_chat_set_property (priv->tp_chat, "subject", &value);
 751         g_value_unset (&value);
 752 }
 753
 754 void
 755 empathy_chat_join_muc (EmpathyChat *chat,
 756                    const gchar   *room)
 757 {
 758         EmpathyChatPriv *priv = GET_PRIV (chat);
 759
 760         empathy_join_muc (priv->account, room,
 761                 gtk_get_current_event_time ());
 762 }
 763
 764 static void
 765 chat_command_join (EmpathyChat *chat,
 766                    GStrv        strv)
 767 {
 768         guint i = 0;
 769
 770         GStrv rooms = g_strsplit_set (strv[1], ", ", -1);
 771
 772         /* FIXME: Ideally we should ask to handle ourself the channel so we can
 773         * report the error if any but this is blocked by
 774         * https://bugs.freedesktop.org/show_bug.cgi?id=13422 */
 775         while (rooms[i] != NULL) {
 776                 /* ignore empty strings */
 777                 if (!EMP_STR_EMPTY (rooms[i])) {
 778                         empathy_chat_join_muc (chat, rooms[i]);
 779                 }
 780                 i++;
 781         }
 782         g_strfreev (rooms);
 783 }
 784
 785 void
 786 empathy_chat_leave_chat (EmpathyChat *chat)
 787 {
 788         EmpathyChatPriv *priv = GET_PRIV (chat);
 789
 790         empathy_tp_chat_leave (priv->tp_chat, "");
 791 }
 792
 793 #if 0
 794 static void
 795 chat_command_part (EmpathyChat *chat,
 796                            GStrv        strv)
 797 {
 798         EmpathyChatPriv *priv = GET_PRIV (chat);
 799         EmpathyChat *chat_to_be_parted;
 800
 801         if (strv[1] == NULL) {
 802                 empathy_tp_chat_leave (priv->tp_chat, "");
 803                 return;
 804         }
 805         chat_to_be_parted = empathy_chat_window_find_chat (priv->account, strv[1]);
 806
 807         if (chat_to_be_parted != NULL) {
 808                 empathy_tp_chat_leave (empathy_chat_get_tp_chat (chat_to_be_parted), strv[2]);
 809         } else {
 810                 empathy_tp_chat_leave (priv->tp_chat, strv[1]);
 811         }
 812 }
 813 #endif
 814
 815 static void
 816 chat_command_msg_internal (EmpathyChat *chat,
 817                            const gchar *contact_id,
 818                            const gchar *message)
 819 {
 820         EmpathyChatPriv *priv = GET_PRIV (chat);
 821         ChatCommandMsgData *data;
 822         TpAccountChannelRequest *req;
 823         GHashTable *request;
 824
 825         request = tp_asv_new (
 826                 TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING, TP_IFACE_CHANNEL_TYPE_TEXT,
 827                 TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, G_TYPE_UINT, TP_HANDLE_TYPE_CONTACT,
 828                 TP_PROP_CHANNEL_TARGET_ID, G_TYPE_STRING, contact_id,
 829                 NULL);
 830
 831         req = tp_account_channel_request_new (priv->account, request,
 832                 tp_user_action_time_from_x11 (gtk_get_current_event_time ()));
 833
 834         /* FIXME: We should probably search in members alias. But this
 835          * is enough for IRC */
 836         data = g_slice_new (ChatCommandMsgData);
 837         data->chat = chat;
 838         data->message = g_strdup (message);
 839
 840         tp_account_channel_request_ensure_and_observe_channel_async (req,
 841                 EMPATHY_CHAT_BUS_NAME, NULL, chat_command_msg_cb, data);
 842
 843         g_object_unref (req);
 844         g_hash_table_unref (request);
 845 }
 846
 847 static void
 848 chat_command_query (EmpathyChat *chat,
 849                     GStrv        strv)
 850 {
 851         /* If <message> part is not defined,
 852          * strv[2] will be the terminal NULL */
 853         chat_command_msg_internal (chat, strv[1], strv[2]);
 854 }
 855
 856 static void
 857 chat_command_msg (EmpathyChat *chat,
 858                   GStrv        strv)
 859 {
 860         chat_command_msg_internal (chat, strv[1], strv[2]);
 861 }
 862
 863 static void
 864 callback_for_request_rename (TpProxy *proxy,
 865                   const GError *error,
 866                   gpointer user_data,
 867                   GObject *weak_object)
 868 {
 869         if (error != NULL) {
 870                 DEBUG ("Call to RequestRename method failed: %s",error->message);
 871         }
 872 }
 873
 874 static void
 875 chat_command_nick (EmpathyChat *chat,
 876                    GStrv        strv)
 877 {
 878         EmpathyChatPriv *priv = GET_PRIV (chat);
 879         TpProxy *proxy;
 880
 881         proxy = TP_PROXY (tp_account_get_connection (priv->account));
 882
 883         emp_cli_connection_interface_renaming_call_request_rename (proxy, -1,
 884                 strv[1], callback_for_request_rename, NULL, NULL, NULL);
 885 }
 886
 887 static void
 888 chat_command_me (EmpathyChat *chat,
 889                   GStrv        strv)
 890 {
 891         EmpathyChatPriv *priv = GET_PRIV (chat);
 892         TpMessage *message;
 893         TpChannel *channel;
 894
 895         channel = empathy_tp_chat_get_channel (priv->tp_chat);
 896
 897         /* Strictly speaking we don't depend yet on Messages so best to check that
 898          * the channel is actually a TpTextChannel before casting it. */
 899         if (TP_IS_TEXT_CHANNEL (channel) &&
 900                 !tp_text_channel_supports_message_type (TP_TEXT_CHANNEL (channel),
 901                         TP_CHANNEL_TEXT_MESSAGE_TYPE_ACTION)) {
 902                 /* Action message are not supported, 'simulate' the action */
 903                 EmpathyContact *self_contact;
 904                 gchar *tmp;
 905
 906                 self_contact = empathy_tp_chat_get_self_contact (priv->tp_chat);
 907                 /* The TpChat can't be ready if it doesn't have the self contact */
 908                 g_assert (self_contact != NULL);
 909
 910                 tmp = g_strdup_printf ("%s %s", empathy_contact_get_alias (self_contact),
 911                         strv[1]);
 912                 message = tp_client_message_new_text (TP_CHANNEL_TEXT_MESSAGE_TYPE_NORMAL,
 913                         tmp);
 914                 g_free (tmp);
 915         }
 916         else {
 917                 message = tp_client_message_new_text (TP_CHANNEL_TEXT_MESSAGE_TYPE_ACTION,
 918                         strv[1]);
 919         }
 920
 921         empathy_tp_chat_send (priv->tp_chat, message);
 922         g_object_unref (message);
 923 }
 924
 925 static void
 926 chat_command_say (EmpathyChat *chat,
 927                   GStrv        strv)
 928 {
 929         EmpathyChatPriv *priv = GET_PRIV (chat);
 930         TpMessage *message;
 931
 932         message = tp_client_message_new_text (TP_CHANNEL_TEXT_MESSAGE_TYPE_NORMAL,
 933                 strv[1]);
 934         empathy_tp_chat_send (priv->tp_chat, message);
 935         g_object_unref (message);
 936 }
 937
 938 static void chat_command_help (EmpathyChat *chat, GStrv strv);
 939
 940 typedef void (*ChatCommandFunc) (EmpathyChat *chat, GStrv strv);
 941
 942 typedef struct {
 943         const gchar *prefix;
 944         guint min_parts;
 945         guint max_parts;
 946         ChatCommandFunc func;
 947         gboolean (*is_supported)(EmpathyChat *chat);
 948         const gchar *help;
 949 } ChatCommandItem;
 950
 951 static ChatCommandItem commands[] = {
 952         {"clear", 1, 1, chat_command_clear, NULL,
 953          N_("/clear: clear all messages from the current conversation")},
 954
 955         {"topic", 2, 2, chat_command_topic, NULL,
 956          N_("/topic <topic>: set the topic of the current conversation")},
 957
 958         {"join", 2, 2, chat_command_join, NULL,
 959          N_("/join <chat room ID>: join a new chat room")},
 960
 961         {"j", 2, 2, chat_command_join, NULL,
 962          N_("/j <chat room ID>: join a new chat room")},
 963
 964 #if 0
 965         /* FIXME: https://bugzilla.gnome.org/show_bug.cgi?id=643295 */
 966         {"part", 1, 3, chat_command_part, part_command_supported,
 967          N_("/part [<chat room ID>] [<reason>]: leave the chat room, "
 968             "by default the current one")},
 969 #endif
 970
 971         {"query", 2, 3, chat_command_query, NULL,
 972          N_("/query <contact ID> [<message>]: open a private chat")},
 973
 974         {"msg", 3, 3, chat_command_msg, NULL,
 975          N_("/msg <contact ID> <message>: open a private chat")},
 976
 977         {"nick", 2, 2, chat_command_nick, nick_command_supported,
 978          N_("/nick <nickname>: change your nickname on the current server")},
 979
 980         {"me", 2, 2, chat_command_me, NULL,
 981          N_("/me <message>: send an ACTION message to the current conversation")},
 982
 983         {"say", 2, 2, chat_command_say, NULL,
 984          N_("/say <message>: send <message> to the current conversation. "
 985             "This is used to send a message starting with a '/'. For example: "
 986             "\"/say /join is used to join a new chat room\"")},
 987
 988         {"help", 1, 2, chat_command_help, NULL,
 989          N_("/help [<command>]: show all supported commands. "
 990             "If <command> is defined, show its usage.")},
 991 };
 992
 993 static void
 994 chat_command_show_help (EmpathyChat     *chat,
 995                         ChatCommandItem *item)
 996 {
 997         gchar *str;
 998
 999         str = g_strdup_printf (_("Usage: %s"), _(item->help));
1000         empathy_chat_view_append_event (chat->view, str);
1001         g_free (str);
1002 }
1003
1004 static void
1005 chat_command_help (EmpathyChat *chat,
1006                    GStrv        strv)
1007 {
1008         guint i;
1009
1010         /* If <command> part is not defined,
1011          * strv[1] will be the terminal NULL */
1012         if (strv[1] == NULL) {
1013                 for (i = 0; i < G_N_ELEMENTS (commands); i++) {
1014                         if (commands[i].is_supported != NULL) {
1015                                 if (!commands[i].is_supported (chat)) {
1016                                         continue;
1017                                 }
1018                         }
1019                     empathy_chat_view_append_event (chat->view,
1020                             _(commands[i].help));
1021                 }
1022                 return;
1023         }
1024
1025         for (i = 0; i < G_N_ELEMENTS (commands); i++) {
1026                 if (g_ascii_strcasecmp (strv[1], commands[i].prefix) == 0) {
1027                         if (commands[i].is_supported != NULL) {
1028                                 if (!commands[i].is_supported (chat)) {
1029                                         break;
1030                                 }
1031                         }
1032                         chat_command_show_help (chat, &commands[i]);
1033                         return;
1034                 }
1035         }
1036
1037         empathy_chat_view_append_event (chat->view,
1038                 _("Unknown command"));
1039 }
1040
1041 static GStrv
1042 chat_command_parse (const gchar *text, guint max_parts)
1043 {
1044         GPtrArray *array;
1045         gchar *item;
1046
1047         DEBUG ("Parse command, parts=%d text=\"%s\":", max_parts, text);
1048
1049         array = g_ptr_array_sized_new (max_parts + 1);
1050         while (max_parts > 1) {
1051                 const gchar *end;
1052
1053                 /* Skip white spaces */
1054                 while (g_ascii_isspace (*text)) {
1055                         text++;
1056                 }
1057
1058                 /* Search the end of this part, until first space. */
1059                 for (end = text; *end != '\0' && !g_ascii_isspace (*end); end++)
1060                         /* Do nothing */;
1061                 if (*end == '\0') {
1062                         break;
1063                 }
1064
1065                 item = g_strndup (text, end - text);
1066                 g_ptr_array_add (array, item);
1067                 DEBUG ("\tITEM: \"%s\"", item);
1068
1069                 text = end;
1070                 max_parts--;
1071         }
1072
1073         /* Append last part if not empty */
1074         item = g_strstrip (g_strdup (text));
1075         if (!EMP_STR_EMPTY (item)) {
1076                 g_ptr_array_add (array, item);
1077                 DEBUG ("\tITEM: \"%s\"", item);
1078         } else {
1079                 g_free (item);
1080         }
1081
1082         /* Make the array NULL-terminated */
1083         g_ptr_array_add (array, NULL);
1084
1085         return (GStrv) g_ptr_array_free (array, FALSE);
1086 }
1087
1088 static gboolean
1089 has_prefix_case (const gchar *s,
1090                   const gchar *prefix)
1091 {
1092         return g_ascii_strncasecmp (s, prefix, strlen (prefix)) == 0;
1093 }
1094
1095 static void
1096 chat_send (EmpathyChat  *chat,
1097            const gchar *msg)
1098 {
1099         EmpathyChatPriv *priv;
1100         TpMessage  *message;
1101         guint            i;
1102
1103         if (EMP_STR_EMPTY (msg)) {
1104                 return;
1105         }
1106
1107         priv = GET_PRIV (chat);
1108
1109         chat_input_history_add (chat, msg, FALSE);
1110
1111         if (msg[0] == '/') {
1112                 gboolean second_slash = FALSE;
1113                 const gchar *iter = msg + 1;
1114
1115                 for (i = 0; i < G_N_ELEMENTS (commands); i++) {
1116                         GStrv strv;
1117                         guint strv_len;
1118                         gchar c;
1119
1120                         if (!has_prefix_case (msg + 1, commands[i].prefix)) {
1121                                 continue;
1122                         }
1123                         c = *(msg + 1 + strlen (commands[i].prefix));
1124                         if (c != '\0' && !g_ascii_isspace (c)) {
1125                                 continue;
1126                         }
1127                         if (commands[i].is_supported != NULL) {
1128                                 if (!commands[i].is_supported (chat)) {
1129                                         continue;
1130                                 }
1131                         }
1132
1133                         /* We can't use g_strsplit here because it does
1134                          * not deal correctly if we have more than one space
1135                          * between args */
1136                         strv = chat_command_parse (msg + 1, commands[i].max_parts);
1137
1138                         strv_len = g_strv_length (strv);
1139                         if (strv_len < commands[i].min_parts ||
1140                             strv_len > commands[i].max_parts) {
1141                                 chat_command_show_help (chat, &commands[i]);
1142                                 g_strfreev (strv);
1143                                 return;
1144                         }
1145
1146                         commands[i].func (chat, strv);
1147                         g_strfreev (strv);
1148                         return;
1149                 }
1150
1151                 /* Also allow messages with two slashes before the
1152                  * first space, so it is possible to send a /unix/path.
1153                  * This heuristic is kind of crap. */
1154                 while (*iter != '\0' && !g_ascii_isspace (*iter)) {
1155                         if (*iter == '/') {
1156                                 second_slash = TRUE;
1157                                 break;
1158                         }
1159                         iter++;
1160                 }
1161
1162                 if (!second_slash) {
1163                         empathy_chat_view_append_event (chat->view,
1164                                 _("Unknown command; see /help for the available"
1165                                   " commands"));
1166                         return;
1167                 }
1168         }
1169
1170         message = tp_client_message_new_text (TP_CHANNEL_TEXT_MESSAGE_TYPE_NORMAL,
1171                 msg);
1172         empathy_tp_chat_send (priv->tp_chat, message);
1173         g_object_unref (message);
1174 }
1175
1176 static void
1177 chat_input_text_view_send (EmpathyChat *chat)
1178 {
1179         GtkTextBuffer  *buffer;
1180         GtkTextIter     start, end;
1181         gchar          *msg;
1182
1183         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1184
1185         gtk_text_buffer_get_bounds (buffer, &start, &end);
1186         msg = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
1187
1188         /* clear the input field */
1189         gtk_text_buffer_set_text (buffer, "", -1);
1190         /* delete input history modifications */
1191         chat_input_history_revert (chat);
1192
1193         chat_send (chat, msg);
1194         g_free (msg);
1195 }
1196
1197 static void
1198 chat_state_changed_cb (EmpathyTpChat      *tp_chat,
1199                        EmpathyContact     *contact,
1200                        TpChannelChatState  state,
1201                        EmpathyChat        *chat)
1202 {
1203         EmpathyChatPriv *priv;
1204         GList          *l;
1205         gboolean        was_composing;
1206
1207         priv = GET_PRIV (chat);
1208
1209         if (empathy_contact_is_user (contact)) {
1210                 /* We don't care about our own chat state */
1211                 return;
1212         }
1213
1214         was_composing = (priv->compositors != NULL);
1215
1216         /* Find the contact in the list. After that l is the list elem or NULL */
1217         for (l = priv->compositors; l; l = l->next) {
1218                 if (contact == l->data) {
1219                         break;
1220                 }
1221         }
1222
1223         switch (state) {
1224         case TP_CHANNEL_CHAT_STATE_GONE:
1225         case TP_CHANNEL_CHAT_STATE_INACTIVE:
1226         case TP_CHANNEL_CHAT_STATE_PAUSED:
1227         case TP_CHANNEL_CHAT_STATE_ACTIVE:
1228                 /* Contact is not composing */
1229                 if (l) {
1230                         priv->compositors = g_list_remove_link (priv->compositors, l);
1231                         g_object_unref (l->data);
1232                         g_list_free1 (l);
1233                 }
1234                 break;
1235         case TP_CHANNEL_CHAT_STATE_COMPOSING:
1236                 /* Contact is composing */
1237                 if (!l) {
1238                         priv->compositors = g_list_prepend (priv->compositors,
1239                                                             g_object_ref (contact));
1240                 }
1241                 break;
1242         default:
1243                 g_assert_not_reached ();
1244         }
1245
1246         DEBUG ("Was composing: %s now composing: %s",
1247                 was_composing ? "yes" : "no",
1248                 priv->compositors ? "yes" : "no");
1249
1250         if ((was_composing && !priv->compositors) ||
1251             (!was_composing && priv->compositors)) {
1252                 /* Composing state changed */
1253                 g_signal_emit (chat, signals[COMPOSING], 0,
1254                                priv->compositors != NULL);
1255         }
1256 }
1257
1258 static void
1259 chat_message_received (EmpathyChat *chat,
1260         EmpathyMessage *message,
1261         gboolean pending)
1262 {
1263         EmpathyChatPriv *priv = GET_PRIV (chat);
1264         EmpathyContact  *sender;
1265
1266         sender = empathy_message_get_sender (message);
1267
1268         DEBUG ("Appending new message from %s (%d)",
1269                 empathy_contact_get_alias (sender),
1270                 empathy_contact_get_handle (sender));
1271
1272         empathy_chat_view_append_message (chat->view, message);
1273
1274         /* We received a message so the contact is no longer composing */
1275         chat_state_changed_cb (priv->tp_chat, sender,
1276                                TP_CHANNEL_CHAT_STATE_ACTIVE,
1277                                chat);
1278
1279         if (empathy_message_is_incoming (message)) {
1280                 priv->unread_messages++;
1281         }
1282
1283         g_signal_emit (chat, signals[NEW_MESSAGE], 0, message, pending);
1284 }
1285
1286 static void
1287 chat_message_received_cb (EmpathyTpChat  *tp_chat,
1288                           EmpathyMessage *message,
1289                           EmpathyChat    *chat)
1290 {
1291         chat_message_received (chat, message, FALSE);
1292 }
1293
1294 static void
1295 chat_pending_message_removed_cb (EmpathyTpChat  *tp_chat,
1296                                  EmpathyChat    *chat)
1297 {
1298         EmpathyChatPriv *priv = GET_PRIV (chat);
1299
1300         priv->unread_messages--;
1301         g_object_notify (G_OBJECT (chat), "nb-unread-messages");
1302 }
1303
1304 static void
1305 chat_send_error_cb (EmpathyTpChat          *tp_chat,
1306                     const gchar            *message_body,
1307                     TpChannelTextSendError  error_code,
1308                     const gchar            *dbus_error,
1309                     EmpathyChat            *chat)
1310 {
1311         const gchar *error = NULL;
1312         gchar       *str;
1313
1314         if (!tp_strdiff (dbus_error, TP_ERROR_STR_INSUFFICIENT_BALANCE)) {
1315                 /* translators: error used when user doesn't have enough credit on his
1316                  * account to send the message. */
1317                 error = _("insufficient balance to send message");
1318         } else if (!tp_strdiff (dbus_error, TP_ERROR_STR_NOT_CAPABLE)) {
1319                 error = _("not capable");
1320         }
1321
1322         if (error == NULL) {
1323                 /* if we didn't find a dbus-error, try the old error */
1324                 switch (error_code) {
1325                 case TP_CHANNEL_TEXT_SEND_ERROR_OFFLINE:
1326                         error = _("offline");
1327                         break;
1328                 case TP_CHANNEL_TEXT_SEND_ERROR_INVALID_CONTACT:
1329                         error = _("invalid contact");
1330                         break;
1331                 case TP_CHANNEL_TEXT_SEND_ERROR_PERMISSION_DENIED:
1332                         error = _("permission denied");
1333                         break;
1334                 case TP_CHANNEL_TEXT_SEND_ERROR_TOO_LONG:
1335                         error = _("too long message");
1336                         break;
1337                 case TP_CHANNEL_TEXT_SEND_ERROR_NOT_IMPLEMENTED:
1338                         error = _("not implemented");
1339                         break;
1340                 case TP_CHANNEL_TEXT_SEND_ERROR_UNKNOWN:
1341                 default:
1342                         error = _("unknown");
1343                         break;
1344                 }
1345         }
1346
1347         if (message_body != NULL) {
1348                         str = g_strdup_printf (_("Error sending message '%s': %s"),
1349                                 message_body, error);
1350         }
1351         else {
1352                         str = g_strdup_printf (_("Error sending message: %s"), error);
1353         }
1354
1355         empathy_chat_view_append_event (chat->view, str);
1356         g_free (str);
1357 }
1358
1359 static void
1360 chat_topic_label_size_allocate_cb (GtkLabel *label,
1361                                    GtkAllocation *allocation,
1362                                    EmpathyChat *chat)
1363 {
1364         EmpathyChatPriv *priv = GET_PRIV (chat);
1365
1366         if (!gtk_label_get_line_wrap (label)) {
1367                 if (pango_layout_is_ellipsized (gtk_label_get_layout (label)))
1368                         gtk_widget_show (priv->expander_topic);
1369                 else
1370                         gtk_widget_hide (priv->expander_topic);
1371
1372                 return;
1373         }
1374 }
1375
1376 static void
1377 chat_topic_expander_activate_cb (GtkExpander *expander,
1378                                  GParamSpec *param_spec,
1379                                  EmpathyChat *chat)
1380 {
1381         EmpathyChatPriv *priv = GET_PRIV (chat);
1382
1383         if (gtk_expander_get_expanded (expander)) {
1384                 gtk_label_set_ellipsize (GTK_LABEL (priv->label_topic), PANGO_ELLIPSIZE_NONE);
1385                 gtk_label_set_line_wrap (GTK_LABEL (priv->label_topic), TRUE);
1386         } else {
1387                 gtk_label_set_ellipsize (GTK_LABEL (priv->label_topic), PANGO_ELLIPSIZE_END);
1388                 gtk_label_set_line_wrap (GTK_LABEL (priv->label_topic), FALSE);
1389         }
1390 }
1391
1392 static void
1393 chat_property_changed_cb (EmpathyTpChat *tp_chat,
1394                           const gchar   *name,
1395                           GValue        *value,
1396                           EmpathyChat   *chat)
1397 {
1398         EmpathyChatPriv *priv = GET_PRIV (chat);
1399
1400         if (!tp_strdiff (name, "subject")) {
1401                 g_free (priv->subject);
1402                 priv->subject = g_value_dup_string (value);
1403                 g_object_notify (G_OBJECT (chat), "subject");
1404
1405                 if (EMP_STR_EMPTY (priv->subject)) {
1406                         gtk_widget_hide (priv->hbox_topic);
1407                 } else {
1408                         gchar *markup_topic;
1409                         gchar *markup_text;
1410
1411                         markup_topic = empathy_add_link_markup (priv->subject);
1412                         markup_text = g_strdup_printf ("<span weight=\"bold\">%s</span> %s",
1413                                 _("Topic:"), markup_topic);
1414
1415                         gtk_label_set_markup (GTK_LABEL (priv->label_topic), markup_text);
1416                         g_free (markup_text);
1417                         g_free (markup_topic);
1418
1419                         gtk_widget_show (priv->hbox_topic);
1420                 }
1421                 if (priv->block_events_timeout_id == 0) {
1422                         gchar *str;
1423
1424                         if (!EMP_STR_EMPTY (priv->subject)) {
1425                                 str = g_strdup_printf (_("Topic set to: %s"), priv->subject);
1426                         } else {
1427                                 str = g_strdup (_("No topic defined"));
1428                         }
1429                         empathy_chat_view_append_event (EMPATHY_CHAT (chat)->view, str);
1430                         g_free (str);
1431                 }
1432         }
1433         else if (!tp_strdiff (name, "name")) {
1434                 g_free (priv->name);
1435                 priv->name = g_value_dup_string (value);
1436                 g_object_notify (G_OBJECT (chat), "name");
1437         }
1438 }
1439
1440 static gboolean
1441 chat_input_text_get_word_from_iter (GtkTextIter   *iter,
1442                                     GtkTextIter   *start,
1443                                     GtkTextIter   *end)
1444 {
1445         GtkTextIter word_start = *iter;
1446         GtkTextIter word_end = *iter;
1447         GtkTextIter tmp;
1448
1449         if (gtk_text_iter_inside_word (&word_end) &&
1450                         !gtk_text_iter_ends_word (&word_end)) {
1451                 gtk_text_iter_forward_word_end (&word_end);
1452         }
1453
1454         tmp = word_end;
1455
1456         if (gtk_text_iter_get_char (&tmp) == '\'') {
1457                 gtk_text_iter_forward_char (&tmp);
1458
1459                 if (g_unichar_isalpha (gtk_text_iter_get_char (&tmp))) {
1460                         gtk_text_iter_forward_word_end (&word_end);
1461                 }
1462         }
1463
1464
1465         if (gtk_text_iter_inside_word (&word_start) ||
1466                         gtk_text_iter_ends_word (&word_start)) {
1467                 if (!gtk_text_iter_starts_word (&word_start) ||
1468                                 gtk_text_iter_equal (&word_start, &word_end)) {
1469                         gtk_text_iter_backward_word_start (&word_start);
1470                 }
1471
1472                 tmp = word_start;
1473                 gtk_text_iter_backward_char (&tmp);
1474
1475                 if (gtk_text_iter_get_char (&tmp) == '\'') {
1476                         gtk_text_iter_backward_char (&tmp);
1477
1478                         if (g_unichar_isalpha (gtk_text_iter_get_char (&tmp))) {
1479                                 gtk_text_iter_backward_word_start (&word_start);
1480                         }
1481                 }
1482         }
1483
1484         *start = word_start;
1485         *end = word_end;
1486         return TRUE;
1487 }
1488
1489 static void
1490 chat_input_text_buffer_insert_text_cb (GtkTextBuffer *buffer,
1491                                        GtkTextIter   *location,
1492                                        gchar         *text,
1493                                        gint           len,
1494                                        EmpathyChat   *chat)
1495 {
1496         GtkTextIter iter, pos;
1497
1498         /* Remove all misspelled tags in the inserted text.
1499          * This happens when text is inserted within a misspelled word. */
1500         gtk_text_buffer_get_iter_at_offset (buffer, &iter,
1501                                             gtk_text_iter_get_offset (location) - len);
1502         gtk_text_buffer_remove_tag_by_name (buffer, "misspelled",
1503                                             &iter, location);
1504
1505         gtk_text_buffer_get_iter_at_mark (buffer, &pos, gtk_text_buffer_get_insert (buffer));
1506
1507         do {
1508                 GtkTextIter start, end;
1509                 gchar *str;
1510
1511                 if (!chat_input_text_get_word_from_iter (&iter, &start, &end))
1512                         continue;
1513
1514                 str = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
1515
1516                 if (gtk_text_iter_in_range (&pos, &start, &end) ||
1517                                 gtk_text_iter_equal (&pos, &end) ||
1518                                 empathy_spell_check (str)) {
1519                         gtk_text_buffer_remove_tag_by_name (buffer, "misspelled", &start, &end);
1520                 } else {
1521                         gtk_text_buffer_apply_tag_by_name (buffer, "misspelled", &start, &end);
1522                 }
1523
1524                 g_free (str);
1525
1526         } while (gtk_text_iter_forward_word_end (&iter) &&
1527                  gtk_text_iter_compare (&iter, location) <= 0);
1528 }
1529
1530 static void
1531 chat_input_text_buffer_delete_range_cb (GtkTextBuffer *buffer,
1532                                         GtkTextIter   *start,
1533                                         GtkTextIter   *end,
1534                                         EmpathyChat   *chat)
1535 {
1536         GtkTextIter word_start, word_end;
1537
1538         if (chat_input_text_get_word_from_iter (start, &word_start, &word_end)) {
1539                 gtk_text_buffer_remove_tag_by_name (buffer, "misspelled",
1540                                                     &word_start, &word_end);
1541         }
1542 }
1543
1544 static void
1545 chat_input_text_buffer_changed_cb (GtkTextBuffer *buffer,
1546                                    EmpathyChat    *chat)
1547 {
1548         if (gtk_text_buffer_get_char_count (buffer) == 0) {
1549                 chat_composing_stop (chat);
1550         } else {
1551                 chat_composing_start (chat);
1552         }
1553 }
1554
1555 static void
1556 chat_input_text_buffer_notify_cursor_position_cb (GtkTextBuffer *buffer,
1557                                                   GParamSpec    *pspec,
1558                                                   EmpathyChat    *chat)
1559 {
1560         GtkTextIter pos;
1561         GtkTextIter prev_pos;
1562         GtkTextIter word_start;
1563         GtkTextIter word_end;
1564         GtkTextMark *mark;
1565         gchar *str;
1566
1567         mark = gtk_text_buffer_get_mark (buffer, "previous-cursor-position");
1568
1569         gtk_text_buffer_get_iter_at_mark (buffer, &pos,
1570                                           gtk_text_buffer_get_insert (buffer));
1571         gtk_text_buffer_get_iter_at_mark (buffer, &prev_pos, mark);
1572
1573         if (!chat_input_text_get_word_from_iter (&prev_pos, &word_start, &word_end))
1574                 goto out;
1575
1576         if (!gtk_text_iter_in_range (&pos, &word_start, &word_end) &&
1577                         !gtk_text_iter_equal (&pos, &word_end)) {
1578                 str = gtk_text_buffer_get_text (buffer,
1579                                         &word_start, &word_end, FALSE);
1580
1581                 if (!empathy_spell_check (str)) {
1582                         gtk_text_buffer_apply_tag_by_name (buffer,
1583                                         "misspelled", &word_start, &word_end);
1584                 } else {
1585                         gtk_text_buffer_remove_tag_by_name (buffer,
1586                                         "misspelled", &word_start, &word_end);
1587                 }
1588
1589                 g_free (str);
1590         }
1591
1592 out:
1593         gtk_text_buffer_move_mark (buffer, mark, &pos);
1594 }
1595
1596 static gboolean
1597 empathy_isspace_cb (gunichar c,
1598                  gpointer data)
1599 {
1600         return g_unichar_isspace (c);
1601 }
1602
1603 static gboolean
1604 chat_input_key_press_event_cb (GtkWidget   *widget,
1605                                GdkEventKey *event,
1606                                EmpathyChat *chat)
1607 {
1608         EmpathyChatPriv *priv;
1609         GtkAdjustment  *adj;
1610         gdouble         val;
1611         GtkWidget      *text_view_sw;
1612
1613         priv = GET_PRIV (chat);
1614
1615         /* Catch ctrl+up/down so we can traverse messages we sent */
1616         if ((event->state & GDK_CONTROL_MASK) &&
1617             (event->keyval == GDK_KEY_Up ||
1618              event->keyval == GDK_KEY_Down)) {
1619                 GtkTextBuffer *buffer;
1620                 const gchar   *str;
1621
1622                 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1623                 chat_input_history_update (chat, buffer);
1624
1625                 if (event->keyval == GDK_KEY_Up) {
1626                         str = chat_input_history_get_next (chat);
1627                 } else {
1628                         str = chat_input_history_get_prev (chat);
1629                 }
1630
1631                 g_signal_handlers_block_by_func (buffer,
1632                                                  chat_input_text_buffer_changed_cb,
1633                                                  chat);
1634                 gtk_text_buffer_set_text (buffer, str ? str : "", -1);
1635                 g_signal_handlers_unblock_by_func (buffer,
1636                                                    chat_input_text_buffer_changed_cb,
1637                                                    chat);
1638
1639                 return TRUE;
1640         }
1641
1642         /* Catch enter but not ctrl/shift-enter */
1643         if (IS_ENTER (event->keyval) &&
1644             !(event->state & (GDK_SHIFT_MASK | GDK_CONTROL_MASK))) {
1645                 GtkTextView *view;
1646
1647                 /* This is to make sure that kinput2 gets the enter. And if
1648                  * it's handled there we shouldn't send on it. This is because
1649                  * kinput2 uses Enter to commit letters. See:
1650                  * http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=104299
1651                  */
1652
1653                 view = GTK_TEXT_VIEW (chat->input_text_view);
1654                 if (gtk_text_view_im_context_filter_keypress (view, event)) {
1655                         gtk_text_view_reset_im_context (view);
1656                         return TRUE;
1657                 }
1658
1659                 chat_input_text_view_send (chat);
1660                 return TRUE;
1661         }
1662
1663         text_view_sw = gtk_widget_get_parent (GTK_WIDGET (chat->view));
1664
1665         if (IS_ENTER (event->keyval) &&
1666             (event->state & (GDK_SHIFT_MASK | GDK_CONTROL_MASK))) {
1667                 /* Newline for shift/control-enter. */
1668                 return FALSE;
1669         }
1670         if (!(event->state & GDK_CONTROL_MASK) &&
1671             event->keyval == GDK_KEY_Page_Up) {
1672                 adj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (text_view_sw));
1673                 gtk_adjustment_set_value (adj, gtk_adjustment_get_value (adj) - gtk_adjustment_get_page_size (adj));
1674                 return TRUE;
1675         }
1676         if ((event->state & GDK_CONTROL_MASK) != GDK_CONTROL_MASK &&
1677             event->keyval == GDK_KEY_Page_Down) {
1678                 adj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (text_view_sw));
1679                 val = MIN (gtk_adjustment_get_value (adj) + gtk_adjustment_get_page_size (adj),
1680                            gtk_adjustment_get_upper (adj) - gtk_adjustment_get_page_size (adj));
1681                 gtk_adjustment_set_value (adj, val);
1682                 return TRUE;
1683         }
1684         if (event->keyval == GDK_KEY_Escape) {
1685                 empathy_search_bar_hide (EMPATHY_SEARCH_BAR (priv->search_bar));
1686         }
1687         if (!(event->state & (GDK_CONTROL_MASK | GDK_SHIFT_MASK)) &&
1688             event->keyval == GDK_KEY_Tab) {
1689                 GtkTextBuffer *buffer;
1690                 GtkTextIter    start, current;
1691                 gchar         *nick, *completed;
1692                 GList         *list, *completed_list;
1693                 gboolean       is_start_of_buffer;
1694
1695                 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (EMPATHY_CHAT (chat)->input_text_view));
1696                 gtk_text_buffer_get_iter_at_mark (buffer, &current, gtk_text_buffer_get_insert (buffer));
1697
1698                 /* Get the start of the nick to complete. */
1699                 gtk_text_buffer_get_iter_at_mark (buffer, &start, gtk_text_buffer_get_insert (buffer));
1700                 if (gtk_text_iter_backward_find_char (&start, &empathy_isspace_cb, NULL, NULL)) {
1701                         gtk_text_iter_set_offset (&start, gtk_text_iter_get_offset (&start) + 1);
1702                 }
1703                 is_start_of_buffer = gtk_text_iter_is_start (&start);
1704
1705                 list = empathy_contact_list_get_members (EMPATHY_CONTACT_LIST (priv->tp_chat));
1706                 g_completion_add_items (priv->completion, list);
1707
1708                 nick = gtk_text_buffer_get_text (buffer, &start, &current, FALSE);
1709                 completed_list = g_completion_complete (priv->completion,
1710                                                         nick,
1711                                                         &completed);
1712
1713                 g_free (nick);
1714
1715                 if (completed) {
1716                         guint        len;
1717                         const gchar *text;
1718                         GString     *message = NULL;
1719                         GList       *l;
1720
1721                         gtk_text_buffer_delete (buffer, &start, &current);
1722
1723                         len = g_list_length (completed_list);
1724
1725                         if (len == 1) {
1726                                 /* If we only have one hit, use that text
1727                                  * instead of the text in completed since the
1728                                  * completed text will use the typed string
1729                                  * which might be cased all wrong.
1730                                  * Fixes #120876
1731                                  * */
1732                                 text = empathy_contact_get_alias (completed_list->data);
1733                         } else {
1734                                 text = completed;
1735
1736                                 /* Print all hits to the scrollback view, so the
1737                                  * user knows what possibilities he has.
1738                                  * Fixes #599779
1739                                  * */
1740                                  message = g_string_new ("");
1741                                  for (l = completed_list; l != NULL; l = l->next) {
1742                                         g_string_append (message, empathy_contact_get_alias (l->data));
1743                                         g_string_append (message, " - ");
1744                                  }
1745                                  empathy_chat_view_append_event (chat->view, message->str);
1746                                  g_string_free (message, TRUE);
1747                         }
1748
1749                         gtk_text_buffer_insert_at_cursor (buffer, text, strlen (text));
1750
1751                         if (len == 1 && is_start_of_buffer) {
1752                             gchar *complete_char;
1753
1754                             complete_char = g_settings_get_string (
1755                                     priv->gsettings_chat,
1756                                     EMPATHY_PREFS_CHAT_NICK_COMPLETION_CHAR);
1757
1758                             if (complete_char != NULL) {
1759                                 gtk_text_buffer_insert_at_cursor (buffer,
1760                                                                   complete_char,
1761                                                                   strlen (complete_char));
1762                                 gtk_text_buffer_insert_at_cursor (buffer, " ", 1);
1763                                 g_free (complete_char);
1764                             }
1765                         }
1766
1767                         g_free (completed);
1768                 }
1769
1770                 g_completion_clear_items (priv->completion);
1771
1772                 g_list_foreach (list, (GFunc) g_object_unref, NULL);
1773                 g_list_free (list);
1774
1775                 return TRUE;
1776         }
1777
1778         return FALSE;
1779 }
1780
1781 static gboolean
1782 chat_text_view_focus_in_event_cb (GtkWidget  *widget,
1783                                   GdkEvent   *event,
1784                                   EmpathyChat *chat)
1785 {
1786         gtk_widget_grab_focus (chat->input_text_view);
1787
1788         return TRUE;
1789 }
1790
1791 static void
1792 chat_input_realize_cb (GtkWidget   *widget,
1793                        EmpathyChat *chat)
1794 {
1795         DEBUG ("Setting focus to the input text view");
1796         if (gtk_widget_is_sensitive (widget)) {
1797                 gtk_widget_grab_focus (widget);
1798         }
1799 }
1800
1801 static void
1802 chat_input_has_focus_notify_cb (GtkWidget   *widget,
1803                                 GParamSpec  *pspec,
1804                                 EmpathyChat *chat)
1805 {
1806         empathy_chat_view_focus_toggled (chat->view, gtk_widget_has_focus (widget));
1807 }
1808
1809 static void
1810 chat_insert_smiley_activate_cb (EmpathySmileyManager *manager,
1811                                 EmpathySmiley        *smiley,
1812                                 gpointer              user_data)
1813 {
1814         EmpathyChat   *chat = EMPATHY_CHAT (user_data);
1815         GtkTextBuffer *buffer;
1816         GtkTextIter    iter;
1817
1818         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1819
1820         gtk_text_buffer_get_end_iter (buffer, &iter);
1821         gtk_text_buffer_insert (buffer, &iter, smiley->str, -1);
1822
1823         gtk_text_buffer_get_end_iter (buffer, &iter);
1824         gtk_text_buffer_insert (buffer, &iter, " ", -1);
1825 }
1826
1827 typedef struct {
1828         EmpathyChat  *chat;
1829         gchar       *word;
1830
1831         GtkTextIter  start;
1832         GtkTextIter  end;
1833 } EmpathyChatSpell;
1834
1835 static EmpathyChatSpell *
1836 chat_spell_new (EmpathyChat  *chat,
1837                 const gchar *word,
1838                 GtkTextIter  start,
1839                 GtkTextIter  end)
1840 {
1841         EmpathyChatSpell *chat_spell;
1842
1843         chat_spell = g_slice_new0 (EmpathyChatSpell);
1844
1845         chat_spell->chat = g_object_ref (chat);
1846         chat_spell->word = g_strdup (word);
1847         chat_spell->start = start;
1848         chat_spell->end = end;
1849
1850         return chat_spell;
1851 }
1852
1853 static void
1854 chat_spell_free (EmpathyChatSpell *chat_spell)
1855 {
1856         g_object_unref (chat_spell->chat);
1857         g_free (chat_spell->word);
1858         g_slice_free (EmpathyChatSpell, chat_spell);
1859 }
1860
1861 static void
1862 chat_spelling_menu_activate_cb (GtkMenuItem     *menu_item,
1863                                                 EmpathyChatSpell *chat_spell)
1864 {
1865     empathy_chat_correct_word (chat_spell->chat,
1866                                &(chat_spell->start),
1867                                &(chat_spell->end),
1868                                gtk_menu_item_get_label (menu_item));
1869 }
1870
1871
1872 static GtkWidget *
1873 chat_spelling_build_suggestions_menu (const gchar *code,
1874                                       EmpathyChatSpell *chat_spell)
1875 {
1876         GList     *suggestions, *l;
1877         GtkWidget *menu, *menu_item;
1878
1879         suggestions = empathy_spell_get_suggestions (code, chat_spell->word);
1880         if (suggestions == NULL)
1881                 return NULL;
1882
1883         menu = gtk_menu_new ();
1884         for (l = suggestions; l; l = l->next) {
1885                 menu_item = gtk_menu_item_new_with_label (l->data);
1886                 g_signal_connect (G_OBJECT (menu_item), "activate",
1887                                   G_CALLBACK (chat_spelling_menu_activate_cb),
1888                                   chat_spell);
1889                 gtk_menu_shell_append (GTK_MENU_SHELL (menu), menu_item);
1890         }
1891         empathy_spell_free_suggestions (suggestions);
1892
1893         gtk_widget_show_all (menu);
1894
1895         return menu;
1896 }
1897
1898 static GtkWidget *
1899 chat_spelling_build_menu (EmpathyChatSpell *chat_spell)
1900 {
1901         GtkWidget *menu, *submenu, *item;
1902         GList     *codes, *l;
1903
1904         codes = empathy_spell_get_enabled_language_codes ();
1905         g_assert (codes != NULL);
1906
1907         if (g_list_length (codes) > 1) {
1908                 menu = gtk_menu_new ();
1909
1910                 for (l = codes; l; l = l->next) {
1911                         const gchar *code, *name;
1912
1913                         code = l->data;
1914                         name = empathy_spell_get_language_name (code);
1915                         if (!name)
1916                                 continue;
1917
1918                         item = gtk_image_menu_item_new_with_label (name);
1919
1920                         submenu = chat_spelling_build_suggestions_menu (
1921                                         code, chat_spell);
1922                         if (submenu == NULL)
1923                                 gtk_widget_set_sensitive (item, FALSE);
1924                         else
1925                                 gtk_menu_item_set_submenu (GTK_MENU_ITEM (item),
1926                                                            submenu);
1927                         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
1928                 }
1929         } else {
1930                 menu = chat_spelling_build_suggestions_menu (codes->data,
1931                                                              chat_spell);
1932                 if (menu == NULL) {
1933                         menu = gtk_menu_new ();
1934                         item = gtk_menu_item_new_with_label (_("(No Suggestions)"));
1935                         gtk_widget_set_sensitive (item, FALSE);
1936                         gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1937                 }
1938         }
1939         g_list_free (codes);
1940
1941         gtk_widget_show_all (menu);
1942
1943         return menu;
1944 }
1945
1946 typedef struct {
1947         EmpathyChat  *chat;
1948         gchar        *word;
1949         gchar        *code;
1950 } EmpathyChatWord;
1951
1952 static EmpathyChatWord *
1953 chat_word_new (EmpathyChat  *chat,
1954                 const gchar  *word,
1955                 const gchar  *code)
1956 {
1957         EmpathyChatWord *chat_word;
1958
1959         chat_word = g_slice_new0 (EmpathyChatWord);
1960
1961         chat_word->chat = g_object_ref (chat);
1962         chat_word->word = g_strdup (word);
1963         chat_word->code = g_strdup (code);
1964
1965         return chat_word;
1966 }
1967
1968 static void
1969 chat_word_free (EmpathyChatWord *chat_word)
1970 {
1971         g_object_unref (chat_word->chat);
1972         g_free (chat_word->word);
1973         g_free (chat_word->code);
1974         g_slice_free (EmpathyChatWord, chat_word);
1975 }
1976
1977 static void
1978 chat_add_to_dictionary_activate_cb (GtkMenuItem     *menu_item,
1979                                     EmpathyChatWord *chat_word)
1980 {
1981         EmpathyChatPriv *priv = GET_PRIV (chat_word->chat);
1982
1983         empathy_spell_add_to_dictionary (chat_word->code,
1984                                          chat_word->word);
1985         priv->update_misspelled_words_id =
1986                 g_idle_add (update_misspelled_words, chat_word->chat);
1987 }
1988
1989 static GtkWidget *
1990 chat_spelling_build_add_to_dictionary_item (EmpathyChatSpell *chat_spell)
1991 {
1992         GtkWidget       *menu, *item, *lang_item, *image;
1993         GList           *codes, *l;
1994         gchar           *label;
1995         const gchar     *code, *name;
1996         EmpathyChatWord *chat_word;
1997
1998         codes = empathy_spell_get_enabled_language_codes ();
1999         g_assert (codes != NULL);
2000         if (g_list_length (codes) > 1) {
2001                 /* translators: %s is the selected word */
2002                 label = g_strdup_printf (_("Add '%s' to Dictionary"),
2003                                         chat_spell->word);
2004                 item = gtk_image_menu_item_new_with_mnemonic (label);
2005                 g_free (label);
2006                 image = gtk_image_new_from_icon_name (GTK_STOCK_ADD,
2007                                                       GTK_ICON_SIZE_MENU);
2008                 gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item),
2009                                                image);
2010
2011                 menu = gtk_menu_new ();
2012
2013                 for (l = codes; l; l = l->next) {
2014                         code = l->data;
2015                         name = empathy_spell_get_language_name (code);
2016                         if (name == NULL)
2017                                 continue;
2018
2019                         lang_item = gtk_image_menu_item_new_with_label (name);
2020
2021                         chat_word= chat_word_new (chat_spell->chat,
2022                                                   chat_spell->word, code);
2023                         g_object_set_data_full (G_OBJECT (lang_item),
2024                                 "chat-word", chat_word,
2025                                 (GDestroyNotify) chat_word_free);
2026
2027                         g_signal_connect (G_OBJECT (lang_item), "activate",
2028                                 G_CALLBACK (chat_add_to_dictionary_activate_cb),
2029                                 chat_word);
2030                         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), lang_item);
2031                 }
2032                 gtk_menu_item_set_submenu (GTK_MENU_ITEM (item), menu);
2033         } else {
2034                 code = codes->data;
2035                 name = empathy_spell_get_language_name (code);
2036                 g_assert (name != NULL);
2037                 /* translators: first %s is the selected word,
2038                  * second %s is the language name of the target dictionary */
2039                 label = g_strdup_printf (_("Add '%s' to %s Dictionary"),
2040                                         chat_spell->word, name);
2041                 item = gtk_image_menu_item_new_with_mnemonic (label);
2042                 g_free (label);
2043                 image = gtk_image_new_from_icon_name (GTK_STOCK_ADD,
2044                                                       GTK_ICON_SIZE_MENU);
2045                 gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item), image);
2046
2047                 chat_word = chat_word_new (chat_spell->chat, chat_spell->word,
2048                                            code);
2049                 g_object_set_data_full (G_OBJECT (item), "chat-word", chat_word,
2050                                         (GDestroyNotify) chat_word_free);
2051
2052                 g_signal_connect (G_OBJECT (item), "activate",
2053                                   G_CALLBACK (chat_add_to_dictionary_activate_cb),
2054                                   chat_word);
2055         }
2056         g_list_free (codes);
2057
2058         gtk_widget_show_all (item);
2059
2060         return item;
2061 }
2062
2063 static void
2064 chat_text_send_cb (GtkMenuItem *menuitem,
2065                    EmpathyChat *chat)
2066 {
2067         chat_input_text_view_send (chat);
2068 }
2069
2070 static void
2071 chat_input_populate_popup_cb (GtkTextView *view,
2072                               GtkMenu     *menu,
2073                               EmpathyChat *chat)
2074 {
2075         GtkTextBuffer        *buffer;
2076         GtkTextTagTable      *table;
2077         GtkTextTag           *tag;
2078         gint                  x, y;
2079         GtkTextIter           iter, start, end;
2080         GtkWidget            *item;
2081         gchar                *str = NULL;
2082         EmpathyChatSpell     *chat_spell;
2083         GtkWidget            *spell_menu;
2084         GtkWidget            *spell_item;
2085         EmpathySmileyManager *smiley_manager;
2086         GtkWidget            *smiley_menu;
2087         GtkWidget            *image;
2088
2089         buffer = gtk_text_view_get_buffer (view);
2090
2091         /* Add the emoticon menu. */
2092         item = gtk_separator_menu_item_new ();
2093         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
2094         gtk_widget_show (item);
2095
2096         item = gtk_image_menu_item_new_with_mnemonic (_("Insert Smiley"));
2097         image = gtk_image_new_from_icon_name ("face-smile",
2098                                               GTK_ICON_SIZE_MENU);
2099         gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item), image);
2100         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
2101         gtk_widget_show (item);
2102
2103         smiley_manager = empathy_smiley_manager_dup_singleton ();
2104         smiley_menu = empathy_smiley_menu_new (smiley_manager,
2105                                                chat_insert_smiley_activate_cb,
2106                                                chat);
2107         gtk_menu_item_set_submenu (GTK_MENU_ITEM (item), smiley_menu);
2108         g_object_unref (smiley_manager);
2109
2110         /* Add the Send menu item. */
2111         gtk_text_buffer_get_bounds (buffer, &start, &end);
2112         str = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
2113         if (!EMP_STR_EMPTY (str)) {
2114                 item = gtk_menu_item_new_with_mnemonic (_("_Send"));
2115                 g_signal_connect (G_OBJECT (item), "activate",
2116                                   G_CALLBACK (chat_text_send_cb), chat);
2117                 gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
2118                 gtk_widget_show (item);
2119         }
2120         str = NULL;
2121
2122         /* Add the spell check menu item. */
2123         table = gtk_text_buffer_get_tag_table (buffer);
2124         tag = gtk_text_tag_table_lookup (table, "misspelled");
2125         gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
2126         gtk_text_view_window_to_buffer_coords (GTK_TEXT_VIEW (view),
2127                                                GTK_TEXT_WINDOW_WIDGET,
2128                                                x, y,
2129                                                &x, &y);
2130         gtk_text_view_get_iter_at_location (GTK_TEXT_VIEW (view), &iter, x, y);
2131         start = end = iter;
2132         if (gtk_text_iter_backward_to_tag_toggle (&start, tag) &&
2133             gtk_text_iter_forward_to_tag_toggle (&end, tag)) {
2134
2135                 str = gtk_text_buffer_get_text (buffer,
2136                                                 &start, &end, FALSE);
2137         }
2138         if (!EMP_STR_EMPTY (str)) {
2139                 chat_spell = chat_spell_new (chat, str, start, end);
2140                 g_object_set_data_full (G_OBJECT (menu),
2141                                         "chat-spell", chat_spell,
2142                                         (GDestroyNotify) chat_spell_free);
2143
2144                 item = gtk_separator_menu_item_new ();
2145                 gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
2146                 gtk_widget_show (item);
2147
2148                 /* Spelling suggestions */
2149                 item = gtk_image_menu_item_new_with_mnemonic (_("_Spelling Suggestions"));
2150                 image = gtk_image_new_from_icon_name (GTK_STOCK_SPELL_CHECK,
2151                                                       GTK_ICON_SIZE_MENU);
2152                 gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item), image);
2153
2154                 spell_menu = chat_spelling_build_menu (chat_spell);
2155                 gtk_menu_item_set_submenu (GTK_MENU_ITEM (item), spell_menu);
2156
2157
2158                 spell_item = gtk_separator_menu_item_new ();
2159                 gtk_menu_shell_append (GTK_MENU_SHELL (spell_menu), spell_item);
2160                 gtk_widget_show (spell_item);
2161
2162                 /* Add to dictionary */
2163                 spell_item = chat_spelling_build_add_to_dictionary_item (chat_spell);
2164
2165                 gtk_menu_shell_append (GTK_MENU_SHELL (spell_menu), spell_item);
2166                 gtk_widget_show (spell_item);
2167
2168                 gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
2169                 gtk_widget_show (item);
2170         }
2171 }
2172
2173
2174 static gboolean
2175 chat_log_filter (TplEvent *log,
2176                  gpointer user_data)
2177 {
2178         EmpathyChat *chat = user_data;
2179         EmpathyMessage *message;
2180         EmpathyChatPriv *priv = GET_PRIV (chat);
2181         const GList *pending;
2182
2183         g_return_val_if_fail (TPL_IS_EVENT (log), FALSE);
2184         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), FALSE);
2185
2186         pending = empathy_tp_chat_get_pending_messages (priv->tp_chat);
2187         message = empathy_message_from_tpl_log_event (log);
2188
2189         for (; pending; pending = g_list_next (pending)) {
2190                 if (empathy_message_equal (message, pending->data)) {
2191                         g_object_unref (message);
2192                         return FALSE;
2193                 }
2194         }
2195
2196         g_object_unref (message);
2197         return TRUE;
2198 }
2199
2200
2201 static void
2202 show_pending_messages (EmpathyChat *chat) {
2203         EmpathyChatPriv *priv = GET_PRIV (chat);
2204         const GList *messages, *l;
2205
2206         g_return_if_fail (EMPATHY_IS_CHAT (chat));
2207
2208         if (chat->view == NULL || priv->tp_chat == NULL)
2209                 return;
2210
2211         if (!priv->can_show_pending)
2212                 return;
2213
2214         messages = empathy_tp_chat_get_pending_messages (priv->tp_chat);
2215
2216         for (l = messages; l != NULL ; l = g_list_next (l)) {
2217                 EmpathyMessage *message = EMPATHY_MESSAGE (l->data);
2218                 chat_message_received (chat, message, TRUE);
2219         }
2220 }
2221
2222
2223 static void
2224 got_filtered_messages_cb (GObject *manager,
2225                 GAsyncResult *result,
2226                 gpointer user_data)
2227 {
2228         GList *l;
2229         GList *messages;
2230         EmpathyChat *chat = EMPATHY_CHAT (user_data);
2231         EmpathyChatPriv *priv = GET_PRIV (chat);
2232         GError *error = NULL;
2233
2234         if (!tpl_log_manager_get_filtered_events_finish (TPL_LOG_MANAGER (manager),
2235                 result, &messages, &error)) {
2236                 DEBUG ("%s. Aborting.", error->message);
2237                 empathy_chat_view_append_event (chat->view,
2238                         _("Failed to retrieve recent logs"));
2239                 g_error_free (error);
2240                 goto out;
2241         }
2242
2243         for (l = messages; l; l = g_list_next (l)) {
2244                 EmpathyMessage *message;
2245                 g_assert (TPL_IS_EVENT (l->data));
2246
2247                 message = empathy_message_from_tpl_log_event (l->data);
2248                 g_object_unref (l->data);
2249
2250                 empathy_chat_view_append_message (chat->view, message);
2251                 g_object_unref (message);
2252         }
2253         g_list_free (messages);
2254
2255 out:
2256         /* in case of TPL error, skip backlog and show pending messages */
2257         priv->can_show_pending = TRUE;
2258         show_pending_messages (chat);
2259
2260         /* FIXME: See Bug#610994, we are forcing the ACK of the queue. See comments
2261          * about it in EmpathyChatPriv definition */
2262         priv->retrieving_backlogs = FALSE;
2263         empathy_chat_messages_read (chat);
2264
2265         /* Turn back on scrolling */
2266         empathy_chat_view_scroll (chat->view, TRUE);
2267 }
2268
2269 static void
2270 chat_add_logs (EmpathyChat *chat)
2271 {
2272         EmpathyChatPriv *priv = GET_PRIV (chat);
2273         TplEntity       *target;
2274
2275         if (!priv->id) {
2276                 return;
2277         }
2278
2279         /* Turn off scrolling temporarily */
2280         empathy_chat_view_scroll (chat->view, FALSE);
2281
2282         /* Add messages from last conversation */
2283         if (priv->handle_type == TP_HANDLE_TYPE_ROOM)
2284           target = tpl_entity_new_from_room_id (priv->id);
2285         else
2286           target = tpl_entity_new (priv->id, TPL_ENTITY_CONTACT, NULL, NULL);
2287
2288         priv->retrieving_backlogs = TRUE;
2289         tpl_log_manager_get_filtered_events_async (priv->log_manager,
2290                                                    priv->account,
2291                                                    target,
2292                                                    TPL_EVENT_MASK_TEXT,
2293                                                    5,
2294                                                    chat_log_filter,
2295                                                    chat,
2296                                                    got_filtered_messages_cb,
2297                                                    (gpointer) chat);
2298
2299         g_object_unref (target);
2300 }
2301
2302 static gint
2303 chat_contacts_completion_func (const gchar *s1,
2304                                const gchar *s2,
2305                                gsize        n)
2306 {
2307         gchar *tmp, *nick1, *nick2;
2308         gint   ret;
2309
2310         if (s1 == s2) {
2311                 return 0;
2312         }
2313         if (!s1 || !s2) {
2314                 return s1 ? -1 : +1;
2315         }
2316
2317         tmp = g_utf8_normalize (s1, -1, G_NORMALIZE_DEFAULT);
2318         nick1 = g_utf8_casefold (tmp, -1);
2319         g_free (tmp);
2320
2321         tmp = g_utf8_normalize (s2, -1, G_NORMALIZE_DEFAULT);
2322         nick2 = g_utf8_casefold (tmp, -1);
2323         g_free (tmp);
2324
2325         ret = strncmp (nick1, nick2, n);
2326
2327         g_free (nick1);
2328         g_free (nick2);
2329
2330         return ret;
2331 }
2332
2333 static gchar *
2334 build_part_message (guint           reason,
2335                     const gchar    *name,
2336                     EmpathyContact *actor,
2337                     const gchar    *message)
2338 {
2339         GString *s = g_string_new ("");
2340         const gchar *actor_name = NULL;
2341
2342         if (actor != NULL) {
2343                 actor_name = empathy_contact_get_alias (actor);
2344         }
2345
2346         /* Having an actor only really makes sense for a few actions... */
2347         switch (reason) {
2348         case TP_CHANNEL_GROUP_CHANGE_REASON_OFFLINE:
2349                 g_string_append_printf (s, _("%s has disconnected"), name);
2350                 break;
2351         case TP_CHANNEL_GROUP_CHANGE_REASON_KICKED:
2352                 if (actor_name != NULL) {
2353                         /* translators: reverse the order of these arguments
2354                          * if the kicked should come before the kicker in your locale.
2355                          */
2356                         g_string_append_printf (s, _("%1$s was kicked by %2$s"),
2357                                 name, actor_name);
2358                 } else {
2359                         g_string_append_printf (s, _("%s was kicked"), name);
2360                 }
2361                 break;
2362         case TP_CHANNEL_GROUP_CHANGE_REASON_BANNED:
2363                 if (actor_name != NULL) {
2364                         /* translators: reverse the order of these arguments
2365                          * if the banned should come before the banner in your locale.
2366                          */
2367                         g_string_append_printf (s, _("%1$s was banned by %2$s"),
2368                                 name, actor_name);
2369                 } else {
2370                         g_string_append_printf (s, _("%s was banned"), name);
2371                 }
2372                 break;
2373         default:
2374                 g_string_append_printf (s, _("%s has left the room"), name);
2375         }
2376
2377         if (!EMP_STR_EMPTY (message)) {
2378                 /* Note to translators: this string is appended to
2379                  * notifications like "foo has left the room", with the message
2380                  * given by the user living the room. If this poses a problem,
2381                  * please let us know. :-)
2382                  */
2383                 g_string_append_printf (s, _(" (%s)"), message);
2384         }
2385
2386         return g_string_free (s, FALSE);
2387 }
2388
2389 static void
2390 chat_members_changed_cb (EmpathyTpChat  *tp_chat,
2391                          EmpathyContact *contact,
2392                          EmpathyContact *actor,
2393                          guint           reason,
2394                          gchar          *message,
2395                          gboolean        is_member,
2396                          EmpathyChat    *chat)
2397 {
2398         EmpathyChatPriv *priv = GET_PRIV (chat);
2399         const gchar *name = empathy_contact_get_alias (contact);
2400         gchar *str;
2401
2402         g_return_if_fail (TP_CHANNEL_GROUP_CHANGE_REASON_RENAMED != reason);
2403
2404         if (priv->block_events_timeout_id != 0)
2405                 return;
2406
2407         if (is_member) {
2408                 str = g_strdup_printf (_("%s has joined the room"),
2409                                        name);
2410         } else {
2411                 str = build_part_message (reason, name, actor, message);
2412         }
2413
2414         empathy_chat_view_append_event (chat->view, str);
2415         g_free (str);
2416 }
2417
2418 static void
2419 chat_member_renamed_cb (EmpathyTpChat  *tp_chat,
2420                          EmpathyContact *old_contact,
2421                          EmpathyContact *new_contact,
2422                          guint           reason,
2423                          gchar          *message,
2424                          EmpathyChat    *chat)
2425 {
2426         EmpathyChatPriv *priv = GET_PRIV (chat);
2427
2428         g_return_if_fail (TP_CHANNEL_GROUP_CHANGE_REASON_RENAMED == reason);
2429
2430         if (priv->block_events_timeout_id == 0) {
2431                 gchar *str;
2432
2433                 str = g_strdup_printf (_("%s is now known as %s"),
2434                                        empathy_contact_get_alias (old_contact),
2435                                        empathy_contact_get_alias (new_contact));
2436                 empathy_chat_view_append_event (chat->view, str);
2437                 g_free (str);
2438         }
2439
2440 }
2441
2442 static gboolean
2443 chat_reset_size_request (gpointer widget)
2444 {
2445         gtk_widget_set_size_request (widget, -1, -1);
2446
2447         return FALSE;
2448 }
2449
2450 static void
2451 chat_update_contacts_visibility (EmpathyChat *chat,
2452                          gboolean show)
2453 {
2454         EmpathyChatPriv *priv = GET_PRIV (chat);
2455         GtkAllocation allocation;
2456
2457         if (!priv->scrolled_window_contacts) {
2458                 return;
2459         }
2460
2461         if (priv->remote_contact != NULL) {
2462                 show = FALSE;
2463         }
2464
2465         if (show && priv->contact_list_view == NULL) {
2466                 EmpathyContactListStore *store;
2467                 gint                     min_width;
2468
2469                 /* We are adding the contact list to the chat, we don't want the
2470                  * chat view to become too small. If the chat view is already
2471                  * smaller than 250 make sure that size won't change. If the
2472                  * chat view is bigger the contact list will take some space on
2473                  * it but we make sure the chat view don't become smaller than
2474                  * 250. Relax the size request once the resize is done */
2475                 gtk_widget_get_allocation (priv->vbox_left, &allocation);
2476                 min_width = MIN (allocation.width, 250);
2477                 gtk_widget_set_size_request (priv->vbox_left, min_width, -1);
2478                 g_idle_add (chat_reset_size_request, priv->vbox_left);
2479
2480                 if (priv->contacts_width > 0) {
2481                         gtk_paned_set_position (GTK_PANED (priv->hpaned),
2482                                                 priv->contacts_width);
2483                 }
2484
2485                 store = empathy_contact_list_store_new (
2486                                 EMPATHY_CONTACT_LIST (priv->tp_chat));
2487                 empathy_contact_list_store_set_show_groups (
2488                                 EMPATHY_CONTACT_LIST_STORE (store), FALSE);
2489
2490                 priv->contact_list_view = GTK_WIDGET (empathy_contact_list_view_new (store,
2491                         EMPATHY_CONTACT_LIST_FEATURE_CONTACT_TOOLTIP,
2492                         EMPATHY_CONTACT_FEATURE_CHAT |
2493                         EMPATHY_CONTACT_FEATURE_CALL |
2494                         EMPATHY_CONTACT_FEATURE_LOG |
2495                         EMPATHY_CONTACT_FEATURE_INFO));
2496                 gtk_container_add (GTK_CONTAINER (priv->scrolled_window_contacts),
2497                                    priv->contact_list_view);
2498                 gtk_widget_show (priv->contact_list_view);
2499                 gtk_widget_show (priv->scrolled_window_contacts);
2500                 g_object_unref (store);
2501         } else if (!show) {
2502                 priv->contacts_width = gtk_paned_get_position (GTK_PANED (priv->hpaned));
2503                 gtk_widget_hide (priv->scrolled_window_contacts);
2504                 if (priv->contact_list_view != NULL) {
2505                         gtk_widget_destroy (priv->contact_list_view);
2506                         priv->contact_list_view = NULL;
2507                 }
2508         }
2509 }
2510
2511 void
2512 empathy_chat_set_show_contacts (EmpathyChat *chat,
2513                                 gboolean     show)
2514 {
2515         EmpathyChatPriv *priv = GET_PRIV (chat);
2516
2517         priv->show_contacts = show;
2518
2519         chat_update_contacts_visibility (chat, show);
2520
2521         g_object_notify (G_OBJECT (chat), "show-contacts");
2522 }
2523
2524 static void
2525 chat_remote_contact_changed_cb (EmpathyChat *chat)
2526 {
2527         EmpathyChatPriv *priv = GET_PRIV (chat);
2528
2529         if (priv->remote_contact != NULL) {
2530                 g_object_unref (priv->remote_contact);
2531                 priv->remote_contact = NULL;
2532         }
2533
2534         g_free (priv->id);
2535
2536         priv->id = g_strdup (empathy_tp_chat_get_id (priv->tp_chat));
2537         priv->remote_contact = empathy_tp_chat_get_remote_contact (priv->tp_chat);
2538         if (priv->remote_contact != NULL) {
2539                 g_object_ref (priv->remote_contact);
2540                 priv->handle_type = TP_HANDLE_TYPE_CONTACT;
2541         }
2542         else if (priv->tp_chat != NULL) {
2543                 TpChannel *channel;
2544
2545                 channel = empathy_tp_chat_get_channel (priv->tp_chat);
2546                 g_object_get (channel, "handle-type", &priv->handle_type, NULL);
2547         }
2548
2549         chat_update_contacts_visibility (chat, priv->show_contacts);
2550
2551         g_object_notify (G_OBJECT (chat), "remote-contact");
2552         g_object_notify (G_OBJECT (chat), "id");
2553 }
2554
2555 static void
2556 chat_destroy_cb (EmpathyTpChat *tp_chat,
2557                  EmpathyChat   *chat)
2558 {
2559         EmpathyChatPriv *priv;
2560
2561         priv = GET_PRIV (chat);
2562
2563         if (!priv->tp_chat) {
2564                 return;
2565         }
2566
2567         chat_composing_remove_timeout (chat);
2568         g_object_unref (priv->tp_chat);
2569         priv->tp_chat = NULL;
2570         g_object_notify (G_OBJECT (chat), "tp-chat");
2571
2572         empathy_chat_view_append_event (chat->view, _("Disconnected"));
2573         gtk_widget_set_sensitive (chat->input_text_view, FALSE);
2574
2575         chat_update_contacts_visibility (chat, FALSE);
2576 }
2577
2578 static gboolean
2579 update_misspelled_words (gpointer data)
2580 {
2581         EmpathyChat *chat = EMPATHY_CHAT (data);
2582         EmpathyChatPriv *priv = GET_PRIV (chat);
2583         GtkTextBuffer *buffer;
2584         GtkTextIter iter;
2585         gint length;
2586
2587         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
2588
2589         gtk_text_buffer_get_end_iter (buffer, &iter);
2590         length = gtk_text_iter_get_offset (&iter);
2591         chat_input_text_buffer_insert_text_cb (buffer, &iter,
2592                                                NULL, length, chat);
2593
2594         priv->update_misspelled_words_id = 0;
2595
2596         return FALSE;
2597 }
2598
2599 static void
2600 conf_spell_checking_cb (GSettings *gsettings_chat,
2601                         const gchar *key,
2602                         gpointer user_data)
2603 {
2604         EmpathyChat *chat = EMPATHY_CHAT (user_data);
2605         EmpathyChatPriv *priv = GET_PRIV (chat);
2606         gboolean spell_checker;
2607         GtkTextBuffer *buffer;
2608
2609         if (strcmp (key, EMPATHY_PREFS_CHAT_SPELL_CHECKER_ENABLED) != 0)
2610                 return;
2611
2612         spell_checker = g_settings_get_boolean (gsettings_chat,
2613                         EMPATHY_PREFS_CHAT_SPELL_CHECKER_ENABLED);
2614
2615         if (!empathy_spell_supported ()) {
2616                 spell_checker = FALSE;
2617         }
2618
2619         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
2620
2621         if (spell_checker == priv->spell_checking_enabled) {
2622                 if (spell_checker) {
2623                         /* Possibly changed dictionaries,
2624                          * update misspelled words. Need to do so in idle
2625                          * so the spell checker is updated. */
2626                         priv->update_misspelled_words_id =
2627                                 g_idle_add (update_misspelled_words, chat);
2628                 }
2629
2630                 return;
2631         }
2632
2633         if (spell_checker) {
2634                 GtkTextIter iter;
2635
2636                 priv->notify_cursor_position_id = tp_g_signal_connect_object  (
2637                                 buffer, "notify::cursor-position",
2638                                 G_CALLBACK (chat_input_text_buffer_notify_cursor_position_cb),
2639                                 chat, 0);
2640                 priv->insert_text_id = tp_g_signal_connect_object  (
2641                                 buffer, "insert-text",
2642                                 G_CALLBACK (chat_input_text_buffer_insert_text_cb),
2643                                 chat, G_CONNECT_AFTER);
2644                 priv->delete_range_id = tp_g_signal_connect_object  (
2645                                 buffer, "delete-range",
2646                                 G_CALLBACK (chat_input_text_buffer_delete_range_cb),
2647                                 chat, G_CONNECT_AFTER);
2648
2649                 gtk_text_buffer_create_tag (buffer, "misspelled",
2650                                             "underline", PANGO_UNDERLINE_ERROR,
2651                                             NULL);
2652
2653                 gtk_text_buffer_get_iter_at_mark (buffer, &iter,
2654                                                   gtk_text_buffer_get_insert (buffer));
2655                 gtk_text_buffer_create_mark (buffer, "previous-cursor-position",
2656                                              &iter, TRUE);
2657
2658                 /* Mark misspelled words in the existing buffer.
2659                  * Need to do so in idle so the spell checker is updated. */
2660                 priv->update_misspelled_words_id =
2661                         g_idle_add (update_misspelled_words, chat);
2662         } else {
2663                 GtkTextTagTable *table;
2664                 GtkTextTag *tag;
2665
2666                 g_signal_handler_disconnect (buffer, priv->notify_cursor_position_id);
2667                 priv->notify_cursor_position_id = 0;
2668                 g_signal_handler_disconnect (buffer, priv->insert_text_id);
2669                 priv->insert_text_id = 0;
2670                 g_signal_handler_disconnect (buffer, priv->delete_range_id);
2671                 priv->delete_range_id = 0;
2672
2673                 table = gtk_text_buffer_get_tag_table (buffer);
2674                 tag = gtk_text_tag_table_lookup (table, "misspelled");
2675                 gtk_text_tag_table_remove (table, tag);
2676
2677                 gtk_text_buffer_delete_mark_by_name (buffer,
2678                                                      "previous-cursor-position");
2679         }
2680
2681         priv->spell_checking_enabled = spell_checker;
2682 }
2683
2684 static gboolean
2685 save_paned_pos_timeout (gpointer data)
2686 {
2687         EmpathyChat *self = data;
2688         gint hpaned_pos;
2689
2690         hpaned_pos = gtk_paned_get_position (GTK_PANED (self->priv->hpaned));
2691
2692         g_settings_set_int (self->priv->gsettings_ui,
2693                             EMPATHY_PREFS_UI_CHAT_WINDOW_PANED_POS,
2694                             hpaned_pos);
2695
2696         return FALSE;
2697 }
2698
2699 static gboolean
2700 chat_hpaned_pos_changed_cb (GtkWidget* hpaned,
2701                 GParamSpec *spec,
2702                 gpointer user_data)
2703 {
2704         EmpathyChat *chat = EMPATHY_CHAT (user_data);
2705
2706         if (chat->priv->save_paned_pos_id != 0)
2707                 g_source_remove (chat->priv->save_paned_pos_id);
2708
2709         chat->priv->save_paned_pos_id = g_timeout_add_seconds (1,
2710                 save_paned_pos_timeout, chat);
2711
2712         return TRUE;
2713 }
2714
2715 static void
2716 chat_create_ui (EmpathyChat *chat)
2717 {
2718         EmpathyChatPriv *priv = GET_PRIV (chat);
2719         GtkBuilder      *gui;
2720         GList           *list = NULL;
2721         gchar           *filename;
2722         GtkTextBuffer   *buffer;
2723         gint              paned_pos;
2724         EmpathyThemeManager *theme_mgr;
2725
2726         filename = empathy_file_lookup ("empathy-chat.ui",
2727                                         "libempathy-gtk");
2728         gui = empathy_builder_get_file (filename,
2729                                         "chat_widget", &priv->widget,
2730                                         "hpaned", &priv->hpaned,
2731                                         "vbox_left", &priv->vbox_left,
2732                                         "scrolled_window_chat", &priv->scrolled_window_chat,
2733                                         "scrolled_window_input", &priv->scrolled_window_input,
2734                                         "hbox_topic", &priv->hbox_topic,
2735                                         "expander_topic", &priv->expander_topic,
2736                                         "label_topic", &priv->label_topic,
2737                                         "scrolled_window_contacts", &priv->scrolled_window_contacts,
2738                                         "info_bar_vbox", &priv->info_bar_vbox,
2739                                         NULL);
2740
2741         empathy_builder_connect (gui, chat,
2742                 "expander_topic", "notify::expanded", chat_topic_expander_activate_cb,
2743                 "label_topic", "size-allocate", chat_topic_label_size_allocate_cb,
2744                 NULL);
2745
2746         g_free (filename);
2747
2748         /* Add message view. */
2749         theme_mgr = empathy_theme_manager_dup_singleton ();
2750         chat->view = empathy_theme_manager_create_view (theme_mgr);
2751         g_object_unref (theme_mgr);
2752         /* If this is a GtkTextView, it's set as a drag destination for text/plain
2753            and other types, even though it's non-editable and doesn't accept any
2754            drags.  This steals drag motion for anything inside the scrollbars,
2755            making drag destinations on chat windows far less useful.
2756          */
2757         gtk_drag_dest_unset (GTK_WIDGET (chat->view));
2758         g_signal_connect (chat->view, "focus_in_event",
2759                           G_CALLBACK (chat_text_view_focus_in_event_cb),
2760                           chat);
2761         gtk_container_add (GTK_CONTAINER (priv->scrolled_window_chat),
2762                            GTK_WIDGET (chat->view));
2763         gtk_widget_show (GTK_WIDGET (chat->view));
2764
2765         /* Add input GtkTextView */
2766         chat->input_text_view = empathy_input_text_view_new ();
2767         g_signal_connect (chat->input_text_view, "notify::has-focus",
2768                           G_CALLBACK (chat_input_has_focus_notify_cb),
2769                           chat);
2770         g_signal_connect (chat->input_text_view, "key-press-event",
2771                           G_CALLBACK (chat_input_key_press_event_cb),
2772                           chat);
2773         g_signal_connect (chat->input_text_view, "realize",
2774                           G_CALLBACK (chat_input_realize_cb),
2775                           chat);
2776         g_signal_connect (chat->input_text_view, "populate-popup",
2777                           G_CALLBACK (chat_input_populate_popup_cb),
2778                           chat);
2779         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
2780         tp_g_signal_connect_object  (buffer, "changed",
2781                           G_CALLBACK (chat_input_text_buffer_changed_cb),
2782                           chat, 0);
2783         tp_g_signal_connect_object (priv->gsettings_chat,
2784                         "changed::" EMPATHY_PREFS_CHAT_SPELL_CHECKER_ENABLED,
2785                         G_CALLBACK (conf_spell_checking_cb), chat, 0);
2786         conf_spell_checking_cb (priv->gsettings_chat,
2787                                 EMPATHY_PREFS_CHAT_SPELL_CHECKER_ENABLED, chat);
2788         gtk_container_add (GTK_CONTAINER (priv->scrolled_window_input),
2789                            chat->input_text_view);
2790         gtk_widget_show (chat->input_text_view);
2791
2792         /* Add the (invisible) search bar */
2793         priv->search_bar = empathy_search_bar_new (chat->view);
2794         gtk_box_pack_start (GTK_BOX(priv->vbox_left),
2795                             priv->search_bar,
2796                             FALSE, FALSE, 0);
2797         gtk_box_reorder_child (GTK_BOX(priv->vbox_left), priv->search_bar, 1);
2798
2799         /* Initialy hide the topic, will be shown if not empty */
2800         gtk_widget_hide (priv->hbox_topic);
2801
2802         g_signal_connect (priv->hpaned, "notify::position",
2803                           G_CALLBACK (chat_hpaned_pos_changed_cb),
2804                           chat);
2805
2806         /* Load the paned position */
2807         paned_pos = g_settings_get_int (priv->gsettings_ui,
2808                         EMPATHY_PREFS_UI_CHAT_WINDOW_PANED_POS);
2809         if (paned_pos != 0)
2810                 gtk_paned_set_position (GTK_PANED(priv->hpaned), paned_pos);
2811
2812         /* Set widget focus order */
2813         list = g_list_append (NULL, priv->search_bar);
2814         list = g_list_append (list, priv->scrolled_window_input);
2815         gtk_container_set_focus_chain (GTK_CONTAINER (priv->vbox_left), list);
2816         g_list_free (list);
2817
2818         list = g_list_append (NULL, priv->vbox_left);
2819         list = g_list_append (list, priv->scrolled_window_contacts);
2820         gtk_container_set_focus_chain (GTK_CONTAINER (priv->hpaned), list);
2821         g_list_free (list);
2822
2823         list = g_list_append (NULL, priv->hpaned);
2824         list = g_list_append (list, priv->hbox_topic);
2825         gtk_container_set_focus_chain (GTK_CONTAINER (priv->widget), list);
2826         g_list_free (list);
2827
2828         /* Add the main widget in the chat widget */
2829         gtk_container_add (GTK_CONTAINER (chat), priv->widget);
2830         g_object_unref (gui);
2831 }
2832
2833 static void
2834 chat_size_allocate (GtkWidget     *widget,
2835                     GtkAllocation *allocation)
2836 {
2837   GtkBin *bin = GTK_BIN (widget);
2838   GtkAllocation child_allocation;
2839   GtkWidget *child;
2840
2841   gtk_widget_set_allocation (widget, allocation);
2842
2843   child = gtk_bin_get_child (bin);
2844
2845   if (child && gtk_widget_get_visible (child))
2846     {
2847       child_allocation.x = allocation->x + gtk_container_get_border_width (GTK_CONTAINER (widget));
2848       child_allocation.y = allocation->y + gtk_container_get_border_width (GTK_CONTAINER (widget));
2849       child_allocation.width = MAX (allocation->width - gtk_container_get_border_width (GTK_CONTAINER (widget)) * 2, 0);
2850       child_allocation.height = MAX (allocation->height - gtk_container_get_border_width (GTK_CONTAINER (widget)) * 2, 0);
2851
2852       gtk_widget_size_allocate (child, &child_allocation);
2853     }
2854 }
2855
2856 static void
2857 chat_finalize (GObject *object)
2858 {
2859         EmpathyChat     *chat;
2860         EmpathyChatPriv *priv;
2861
2862         chat = EMPATHY_CHAT (object);
2863         priv = GET_PRIV (chat);
2864
2865         DEBUG ("Finalized: %p", object);
2866
2867         if (priv->update_misspelled_words_id != 0)
2868                 g_source_remove (priv->update_misspelled_words_id);
2869
2870         if (priv->save_paned_pos_id != 0)
2871                 g_source_remove (priv->save_paned_pos_id);
2872
2873         g_object_unref (priv->gsettings_chat);
2874         g_object_unref (priv->gsettings_ui);
2875
2876         g_list_foreach (priv->input_history, (GFunc) chat_input_history_entry_free, NULL);
2877         g_list_free (priv->input_history);
2878
2879         g_list_foreach (priv->compositors, (GFunc) g_object_unref, NULL);
2880         g_list_free (priv->compositors);
2881
2882         chat_composing_remove_timeout (chat);
2883
2884         g_object_unref (priv->account_manager);
2885         g_object_unref (priv->log_manager);
2886
2887         if (priv->tp_chat) {
2888                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
2889                         chat_destroy_cb, chat);
2890                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
2891                         chat_message_received_cb, chat);
2892                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
2893                         chat_pending_message_removed_cb, chat);
2894                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
2895                         chat_send_error_cb, chat);
2896                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
2897                         chat_state_changed_cb, chat);
2898                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
2899                         chat_property_changed_cb, chat);
2900                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
2901                         chat_members_changed_cb, chat);
2902                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
2903                         chat_remote_contact_changed_cb, chat);
2904                 empathy_tp_chat_leave (priv->tp_chat, "");
2905                 g_object_unref (priv->tp_chat);
2906         }
2907         if (priv->account) {
2908                 g_object_unref (priv->account);
2909         }
2910         if (priv->remote_contact) {
2911                 g_object_unref (priv->remote_contact);
2912         }
2913
2914         if (priv->block_events_timeout_id) {
2915                 g_source_remove (priv->block_events_timeout_id);
2916         }
2917
2918         g_free (priv->id);
2919         g_free (priv->name);
2920         g_free (priv->subject);
2921         g_completion_free (priv->completion);
2922
2923         G_OBJECT_CLASS (empathy_chat_parent_class)->finalize (object);
2924 }
2925
2926 static void
2927 chat_constructed (GObject *object)
2928 {
2929         EmpathyChat *chat = EMPATHY_CHAT (object);
2930         EmpathyChatPriv *priv = GET_PRIV (chat);
2931
2932         if (priv->handle_type != TP_HANDLE_TYPE_ROOM) {
2933                 /* First display logs from the logger and then display pending messages */
2934                 chat_add_logs (chat);
2935         }
2936          else {
2937                 /* Just display pending messages for rooms */
2938                 priv->can_show_pending = TRUE;
2939                 show_pending_messages (chat);
2940         }
2941 }
2942
2943 static void
2944 empathy_chat_class_init (EmpathyChatClass *klass)
2945 {
2946         GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
2947         GObjectClass   *object_class = G_OBJECT_CLASS (klass);
2948
2949         object_class->finalize = chat_finalize;
2950         object_class->get_property = chat_get_property;
2951         object_class->set_property = chat_set_property;
2952         object_class->constructed = chat_constructed;
2953
2954         widget_class->size_allocate = chat_size_allocate;
2955
2956         g_object_class_install_property (object_class,
2957                                          PROP_TP_CHAT,
2958                                          g_param_spec_object ("tp-chat",
2959                                                               "Empathy tp chat",
2960                                                               "The tp chat object",
2961                                                               EMPATHY_TYPE_TP_CHAT,
2962                                                               G_PARAM_CONSTRUCT |
2963                                                               G_PARAM_READWRITE |
2964                                                               G_PARAM_STATIC_STRINGS));
2965         g_object_class_install_property (object_class,
2966                                          PROP_ACCOUNT,
2967                                          g_param_spec_object ("account",
2968                                                               "Account of the chat",
2969                                                               "The account of the chat",
2970                                                               TP_TYPE_ACCOUNT,
2971                                                               G_PARAM_READABLE |
2972                                                               G_PARAM_STATIC_STRINGS));
2973         g_object_class_install_property (object_class,
2974                                          PROP_ID,
2975                                          g_param_spec_string ("id",
2976                                                               "Chat's id",
2977                                                               "The id of the chat",
2978                                                               NULL,
2979                                                               G_PARAM_READABLE |
2980                                                               G_PARAM_STATIC_STRINGS));
2981         g_object_class_install_property (object_class,
2982                                          PROP_NAME,
2983                                          g_param_spec_string ("name",
2984                                                               "Chat's name",
2985                                                               "The name of the chat",
2986                                                               NULL,
2987                                                               G_PARAM_READABLE |
2988                                                               G_PARAM_STATIC_STRINGS));
2989         g_object_class_install_property (object_class,
2990                                          PROP_SUBJECT,
2991                                          g_param_spec_string ("subject",
2992                                                               "Chat's subject",
2993                                                               "The subject or topic of the chat",
2994                                                               NULL,
2995                                                               G_PARAM_READABLE |
2996                                                               G_PARAM_STATIC_STRINGS));
2997         g_object_class_install_property (object_class,
2998                                          PROP_REMOTE_CONTACT,
2999                                          g_param_spec_object ("remote-contact",
3000                                                               "The remote contact",
3001                                                               "The remote contact is any",
3002                                                               EMPATHY_TYPE_CONTACT,
3003                                                               G_PARAM_READABLE |
3004                                                               G_PARAM_STATIC_STRINGS));
3005         g_object_class_install_property (object_class,
3006                                          PROP_SHOW_CONTACTS,
3007                                          g_param_spec_boolean ("show-contacts",
3008                                                                "Contacts' visibility",
3009                                                                "The visibility of the contacts' list",
3010                                                                TRUE,
3011                                                                G_PARAM_READWRITE |
3012                                                                G_PARAM_STATIC_STRINGS));
3013
3014         g_object_class_install_property (object_class,
3015                                          PROP_SMS_CHANNEL,
3016                                          g_param_spec_boolean ("sms-channel",
3017                                                                "SMS Channel",
3018                                                                "TRUE if this channel is for sending SMSes",
3019                                                                FALSE,
3020                                                                G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
3021
3022         g_object_class_install_property (object_class,
3023                                          PROP_N_MESSAGES_SENDING,
3024                                          g_param_spec_uint ("n-messages-sending",
3025                                                             "Num Messages Sending",
3026                                                             "The number of messages being sent",
3027                                                             0, G_MAXUINT, 0,
3028                                                             G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
3029
3030         g_object_class_install_property (object_class,
3031                                          PROP_NB_UNREAD_MESSAGES,
3032                                          g_param_spec_uint ("nb-unread-messages",
3033                                                             "Num Unread Messages",
3034                                                             "The number of unread messages",
3035                                                             0, G_MAXUINT, 0,
3036                                                             G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
3037
3038         signals[COMPOSING] =
3039                 g_signal_new ("composing",
3040                               G_OBJECT_CLASS_TYPE (object_class),
3041                               G_SIGNAL_RUN_LAST,
3042                               0,
3043                               NULL, NULL,
3044                               g_cclosure_marshal_VOID__BOOLEAN,
3045                               G_TYPE_NONE,
3046                               1, G_TYPE_BOOLEAN);
3047
3048         signals[NEW_MESSAGE] =
3049                 g_signal_new ("new-message",
3050                               G_OBJECT_CLASS_TYPE (object_class),
3051                               G_SIGNAL_RUN_LAST,
3052                               0,
3053                               NULL, NULL,
3054                               _empathy_gtk_marshal_VOID__OBJECT_BOOLEAN,
3055                               G_TYPE_NONE,
3056                               2, EMPATHY_TYPE_MESSAGE, G_TYPE_BOOLEAN);
3057
3058         g_type_class_add_private (object_class, sizeof (EmpathyChatPriv));
3059 }
3060
3061 static gboolean
3062 chat_block_events_timeout_cb (gpointer data)
3063 {
3064         EmpathyChatPriv *priv = GET_PRIV (data);
3065
3066         priv->block_events_timeout_id = 0;
3067
3068         return FALSE;
3069 }
3070
3071 static void
3072 account_manager_prepared_cb (GObject *source_object,
3073                              GAsyncResult *result,
3074                              gpointer user_data)
3075 {
3076         GList *accounts, *l;
3077         TpAccountManager *account_manager = TP_ACCOUNT_MANAGER (source_object);
3078         EmpathyChat *chat = user_data;
3079         GError *error = NULL;
3080
3081         if (!tp_account_manager_prepare_finish (account_manager, result, &error)) {
3082                 DEBUG ("Failed to prepare the account manager: %s", error->message);
3083                 g_error_free (error);
3084                 return;
3085         }
3086
3087         accounts = tp_account_manager_get_valid_accounts (account_manager);
3088
3089         for (l = accounts; l != NULL; l = l->next) {
3090                 TpAccount *account = l->data;
3091                 tp_g_signal_connect_object (account, "status-changed",
3092                                              G_CALLBACK (chat_new_connection_cb),
3093                                              chat, 0);
3094         }
3095
3096         g_list_free (accounts);
3097 }
3098
3099 static void
3100 empathy_chat_init (EmpathyChat *chat)
3101 {
3102         EmpathyChatPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (chat,
3103                 EMPATHY_TYPE_CHAT, EmpathyChatPriv);
3104
3105         chat->priv = priv;
3106         priv->log_manager = tpl_log_manager_dup_singleton ();
3107         priv->gsettings_chat = g_settings_new (EMPATHY_PREFS_CHAT_SCHEMA);
3108         priv->gsettings_ui = g_settings_new (EMPATHY_PREFS_UI_SCHEMA);
3109
3110         priv->contacts_width = -1;
3111         priv->input_history = NULL;
3112         priv->input_history_current = NULL;
3113         priv->account_manager = tp_account_manager_dup ();
3114
3115         tp_account_manager_prepare_async (priv->account_manager, NULL,
3116                                           account_manager_prepared_cb, chat);
3117
3118         priv->show_contacts = g_settings_get_boolean (priv->gsettings_chat,
3119                         EMPATHY_PREFS_CHAT_SHOW_CONTACTS_IN_ROOMS);
3120
3121         /* Block events for some time to avoid having "has come online" or
3122          * "joined" messages. */
3123         priv->block_events_timeout_id =
3124                 g_timeout_add_seconds (1, chat_block_events_timeout_cb, chat);
3125
3126         /* Add nick name completion */
3127         priv->completion = g_completion_new ((GCompletionFunc) empathy_contact_get_alias);
3128         g_completion_set_compare (priv->completion, chat_contacts_completion_func);
3129
3130         chat_create_ui (chat);
3131 }
3132
3133 EmpathyChat *
3134 empathy_chat_new (EmpathyTpChat *tp_chat)
3135 {
3136         return g_object_new (EMPATHY_TYPE_CHAT, "tp-chat", tp_chat, NULL);
3137 }
3138
3139 EmpathyTpChat *
3140 empathy_chat_get_tp_chat (EmpathyChat *chat)
3141 {
3142         EmpathyChatPriv *priv = GET_PRIV (chat);
3143
3144         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
3145
3146         return priv->tp_chat;
3147 }
3148
3149 typedef struct
3150 {
3151         EmpathyChat *self;
3152         GtkWidget *info_bar;
3153         gulong response_id;
3154         GtkWidget *button;
3155         GtkWidget *label;
3156         GtkWidget *entry;
3157         GtkWidget *spinner;
3158         gchar *password;
3159 } PasswordData;
3160
3161 static void
3162 passwd_remember_button_cb (GtkButton *button,
3163                           PasswordData *data)
3164 {
3165         gtk_info_bar_response (GTK_INFO_BAR (data->info_bar), GTK_RESPONSE_OK);
3166 }
3167
3168 static void
3169 passwd_not_now_button_cb (GtkButton *button,
3170                           PasswordData *data)
3171 {
3172         gtk_info_bar_response (GTK_INFO_BAR (data->info_bar), GTK_RESPONSE_NO);
3173 }
3174
3175 static void
3176 remember_password_infobar_response_cb (GtkWidget *info_bar,
3177                                        gint response_id,
3178                                        PasswordData *data)
3179 {
3180         EmpathyChatPriv *priv = GET_PRIV (data->self);
3181
3182         if (response_id == GTK_RESPONSE_OK) {
3183                 DEBUG ("Saving room password");
3184                 empathy_keyring_set_room_password_async (priv->account,
3185                                                          empathy_tp_chat_get_id (priv->tp_chat),
3186                                                          data->password,
3187                                                          NULL, NULL);
3188         }
3189
3190         gtk_widget_destroy (info_bar);
3191         g_free (data->password);
3192         g_slice_free (PasswordData, data);
3193 }
3194
3195 static void
3196 chat_prompt_to_save_password (EmpathyChat *self,
3197                               PasswordData *data)
3198 {
3199         GtkWidget *content_area;
3200         GtkWidget *hbox;
3201         GtkWidget *image;
3202         GtkWidget *label;
3203         GtkWidget *alig;
3204         GtkWidget *button;
3205
3206         /* save the password in case it needs to be saved */
3207         data->password = g_strdup (gtk_entry_get_text (GTK_ENTRY (data->entry)));
3208
3209         /* Remove all previous widgets */
3210         content_area = gtk_info_bar_get_content_area (GTK_INFO_BAR (data->info_bar));
3211         gtk_container_forall (GTK_CONTAINER (content_area),
3212                               (GtkCallback) gtk_widget_destroy, NULL);
3213         data->button = NULL;
3214         data->label = NULL;
3215         data->entry = NULL;
3216         data->spinner = NULL;
3217
3218         gtk_info_bar_set_message_type (GTK_INFO_BAR (data->info_bar),
3219                                        GTK_MESSAGE_QUESTION);
3220
3221         hbox = gtk_hbox_new (FALSE, 5);
3222         gtk_box_pack_start (GTK_BOX (content_area), hbox, TRUE, TRUE, 0);
3223
3224         /* Add image */
3225         image = gtk_image_new_from_stock (GTK_STOCK_DIALOG_AUTHENTICATION,
3226                                           GTK_ICON_SIZE_DIALOG);
3227         gtk_box_pack_start (GTK_BOX (hbox), image, FALSE, FALSE, 0);
3228
3229         /* Add message */
3230         label = gtk_label_new (_("Would you like to store this password?"));
3231         gtk_box_pack_start (GTK_BOX (hbox), label, TRUE, TRUE, 0);
3232
3233         /* Add 'Remember' button */
3234         alig = gtk_alignment_new (0, 0.5, 1, 0);
3235
3236         button = gtk_button_new_with_label (_("Remember"));
3237         gtk_container_add (GTK_CONTAINER (alig), button);
3238         gtk_box_pack_start (GTK_BOX (hbox), alig, FALSE, FALSE, 0);
3239
3240         g_signal_connect (button, "clicked", G_CALLBACK (passwd_remember_button_cb),
3241                           data);
3242
3243         /* Add 'Not now' button */
3244         alig = gtk_alignment_new (0, 0.5, 1, 0);
3245
3246         button = gtk_button_new_with_label (_("Not now"));
3247         gtk_container_add (GTK_CONTAINER (alig), button);
3248         gtk_box_pack_start (GTK_BOX (hbox), alig, FALSE, FALSE, 0);
3249
3250         g_signal_connect (button, "clicked", G_CALLBACK (passwd_not_now_button_cb),
3251                           data);
3252
3253         /* go! */
3254         g_signal_handler_disconnect (data->info_bar, data->response_id);
3255         g_signal_connect (data->info_bar, "response",
3256                           G_CALLBACK (remember_password_infobar_response_cb), data);
3257
3258         gtk_widget_show_all (data->info_bar);
3259 }
3260
3261 static void
3262 provide_password_cb (GObject *tp_chat,
3263                      GAsyncResult *res,
3264                      gpointer user_data)
3265 {
3266         PasswordData *data = user_data;
3267         EmpathyChat *self = data->self;
3268         EmpathyChatPriv *priv = GET_PRIV (self);
3269         GError *error = NULL;
3270
3271         if (!empathy_tp_chat_provide_password_finish (EMPATHY_TP_CHAT (tp_chat), res,
3272                                                       &error)) {
3273                 DEBUG ("error: %s", error->message);
3274                 /* FIXME: what should we do if that's another error? Close the channel?
3275                  * Display the raw D-Bus error to the user isn't very useful */
3276                 if (g_error_matches (error, TP_ERRORS, TP_ERROR_AUTHENTICATION_FAILED)) {
3277                         /* entry */
3278                         gtk_entry_set_text (GTK_ENTRY (data->entry), "");
3279                         gtk_widget_set_sensitive (data->entry, TRUE);
3280                         gtk_widget_grab_focus (data->entry);
3281
3282                         /* info bar */
3283                         gtk_info_bar_set_message_type (
3284                             GTK_INFO_BAR (data->info_bar),
3285                             GTK_MESSAGE_ERROR);
3286
3287                         /* button */
3288                         gtk_widget_set_sensitive (data->button, TRUE);
3289                         gtk_button_set_label (GTK_BUTTON (data->button),
3290                             _("Retry"));
3291
3292                         /* label */
3293                         gtk_label_set_text (GTK_LABEL (data->label),
3294                             _("Wrong password; please try again:"));
3295
3296                         /* spinner */
3297                         gtk_spinner_stop (GTK_SPINNER (data->spinner));
3298                         gtk_widget_hide (data->spinner);
3299                 }
3300                 g_error_free (error);
3301                 return;
3302         }
3303
3304         if (empathy_keyring_is_available ()) {
3305                 /* ask whether they want to save the password */
3306                 chat_prompt_to_save_password (self, data);
3307         } else {
3308                 /* Get rid of the password info bar finally */
3309                 gtk_widget_destroy (data->info_bar);
3310                 g_slice_free (PasswordData, data);
3311         }
3312
3313         /* Room joined */
3314         gtk_widget_set_sensitive (priv->hpaned, TRUE);
3315         gtk_widget_grab_focus (self->input_text_view);
3316 }
3317
3318 static void
3319 password_infobar_response_cb (GtkWidget *info_bar,
3320                               gint response_id,
3321                               PasswordData *data)
3322 {
3323         EmpathyChatPriv *priv = GET_PRIV (data->self);
3324         const gchar *password;
3325
3326         if (response_id != GTK_RESPONSE_OK) {
3327                 gtk_widget_destroy (info_bar);
3328                 g_slice_free (PasswordData, data);
3329                 return;
3330         }
3331
3332         password = gtk_entry_get_text (GTK_ENTRY (data->entry));
3333
3334         empathy_tp_chat_provide_password_async (priv->tp_chat, password,
3335                                                 provide_password_cb, data);
3336
3337         gtk_widget_set_sensitive (data->button, FALSE);
3338         gtk_widget_set_sensitive (data->entry, FALSE);
3339
3340         gtk_spinner_start (GTK_SPINNER (data->spinner));
3341         gtk_widget_show (data->spinner);
3342 }
3343
3344 static void
3345 password_entry_activate_cb (GtkWidget *entry,
3346                           PasswordData *data)
3347 {
3348         gtk_info_bar_response (GTK_INFO_BAR (data->info_bar), GTK_RESPONSE_OK);
3349 }
3350
3351 static void
3352 passwd_join_button_cb (GtkButton *button,
3353                           PasswordData *data)
3354 {
3355         gtk_info_bar_response (GTK_INFO_BAR (data->info_bar), GTK_RESPONSE_OK);
3356 }
3357
3358 static void
3359 clear_icon_released_cb (GtkEntry *entry,
3360                         GtkEntryIconPosition icon_pos,
3361                         GdkEvent *event,
3362                         PasswordData *data)
3363 {
3364         gtk_entry_set_text (entry, "");
3365 }
3366
3367 static void
3368 password_entry_changed_cb (GtkEditable *entry,
3369                            PasswordData *data)
3370 {
3371         const gchar *str;
3372
3373         str = gtk_entry_get_text (GTK_ENTRY (entry));
3374
3375         gtk_entry_set_icon_sensitive (GTK_ENTRY (entry),
3376             GTK_ENTRY_ICON_SECONDARY, !EMP_STR_EMPTY (str));
3377 }
3378
3379 static void
3380 display_password_info_bar (EmpathyChat *self)
3381 {
3382         EmpathyChatPriv *priv = GET_PRIV (self);
3383         GtkWidget *info_bar;
3384         GtkWidget *content_area;
3385         GtkWidget *hbox;
3386         GtkWidget *image;
3387         GtkWidget *label;
3388         GtkWidget *entry;
3389         GtkWidget *alig;
3390         GtkWidget *button;
3391         GtkWidget *spinner;
3392         PasswordData *data;
3393
3394         data = g_slice_new0 (PasswordData);
3395
3396         info_bar = gtk_info_bar_new ();
3397         gtk_info_bar_set_message_type (GTK_INFO_BAR (info_bar),
3398             GTK_MESSAGE_QUESTION);
3399
3400         content_area = gtk_info_bar_get_content_area (GTK_INFO_BAR (info_bar));
3401
3402         hbox = gtk_hbox_new (FALSE, 5);
3403         gtk_box_pack_start (GTK_BOX (content_area), hbox, TRUE, TRUE, 0);
3404
3405         /* Add image */
3406         image = gtk_image_new_from_stock (GTK_STOCK_DIALOG_AUTHENTICATION,
3407                                           GTK_ICON_SIZE_DIALOG);
3408         gtk_box_pack_start (GTK_BOX (hbox), image, FALSE, FALSE, 0);
3409
3410         /* Add message */
3411         label = gtk_label_new (_("This room is protected by a password:"));
3412         gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
3413
3414         /* Add password entry */
3415         entry = gtk_entry_new ();
3416         gtk_entry_set_visibility (GTK_ENTRY (entry), FALSE);
3417         gtk_box_pack_start (GTK_BOX (hbox), entry, TRUE, TRUE, 0);
3418
3419         gtk_entry_set_icon_from_stock (GTK_ENTRY (entry),
3420                                        GTK_ENTRY_ICON_SECONDARY, GTK_STOCK_CLEAR);
3421         gtk_entry_set_icon_sensitive (GTK_ENTRY (entry),
3422                                       GTK_ENTRY_ICON_SECONDARY, FALSE);
3423
3424         g_signal_connect (entry, "icon-release",
3425                           G_CALLBACK (clear_icon_released_cb), data);
3426         g_signal_connect (entry, "changed",
3427                           G_CALLBACK (password_entry_changed_cb), data);
3428
3429         g_signal_connect (entry, "activate",
3430                           G_CALLBACK (password_entry_activate_cb), data);
3431
3432         /* Focus the password entry once it's realized */
3433         g_signal_connect (entry, "realize", G_CALLBACK (gtk_widget_grab_focus), NULL);
3434
3435         /* Add 'Join' button */
3436         alig = gtk_alignment_new (0, 0.5, 1, 0);
3437
3438         button = gtk_button_new_with_label (_("Join"));
3439         gtk_container_add (GTK_CONTAINER (alig), button);
3440         gtk_box_pack_start (GTK_BOX (hbox), alig, FALSE, FALSE, 0);
3441
3442         g_signal_connect (button, "clicked", G_CALLBACK (passwd_join_button_cb),
3443                           data);
3444
3445         /* Add spinner */
3446         spinner = gtk_spinner_new ();
3447         gtk_box_pack_end (GTK_BOX (hbox), spinner, FALSE, FALSE, 0);
3448
3449         /* Save some data for messing around with later */
3450         data->self = self;
3451         data->info_bar = info_bar;
3452         data->button = button;
3453         data->label = label;
3454         data->entry = entry;
3455         data->spinner = spinner;
3456
3457         gtk_box_pack_start (GTK_BOX (priv->info_bar_vbox), info_bar,
3458                             TRUE, TRUE, 3);
3459         gtk_widget_show_all (hbox);
3460
3461         data->response_id = g_signal_connect (info_bar, "response",
3462                                               G_CALLBACK (password_infobar_response_cb), data);
3463
3464         gtk_widget_show_all (info_bar);
3465         /* ... but hide the spinner */
3466         gtk_widget_hide (spinner);
3467 }
3468
3469 static void
3470 provide_saved_password_cb (GObject *tp_chat,
3471                            GAsyncResult *res,
3472                            gpointer user_data)
3473 {
3474         EmpathyChat *self = user_data;
3475         EmpathyChatPriv *priv = GET_PRIV (self);
3476         GError *error = NULL;
3477
3478         if (!empathy_tp_chat_provide_password_finish (EMPATHY_TP_CHAT (tp_chat), res,
3479                                                       &error)) {
3480                 DEBUG ("error: %s", error->message);
3481                 /* FIXME: what should we do if that's another error? Close the channel?
3482                  * Display the raw D-Bus error to the user isn't very useful */
3483                 if (g_error_matches (error, TP_ERRORS, TP_ERROR_AUTHENTICATION_FAILED)) {
3484                         display_password_info_bar (self);
3485                         gtk_widget_set_sensitive (priv->hpaned, FALSE);
3486                 }
3487                 g_error_free (error);
3488                 return;
3489         }
3490
3491         /* Room joined */
3492         gtk_widget_set_sensitive (priv->hpaned, TRUE);
3493         gtk_widget_grab_focus (self->input_text_view);
3494 }
3495
3496 static void
3497 chat_room_got_password_cb (GObject *source,
3498                            GAsyncResult *result,
3499                            gpointer user_data)
3500 {
3501         EmpathyChat *self = user_data;
3502         EmpathyChatPriv *priv = GET_PRIV (self);
3503         const gchar *password;
3504         GError *error = NULL;
3505
3506         password = empathy_keyring_get_room_password_finish (priv->account,
3507             result, &error);
3508
3509         if (error != NULL) {
3510                 DEBUG ("Couldn't get room password: %s\n", error->message);
3511                 g_clear_error (&error);
3512
3513                 display_password_info_bar (self);
3514                 gtk_widget_set_sensitive (priv->hpaned, FALSE);
3515                 return;
3516         }
3517
3518         empathy_tp_chat_provide_password_async (priv->tp_chat, password,
3519                                                 provide_saved_password_cb, self);
3520 }
3521
3522 static void
3523 chat_password_needed_changed_cb (EmpathyChat *self)
3524 {
3525         EmpathyChatPriv *priv = GET_PRIV (self);
3526
3527         if (empathy_tp_chat_password_needed (priv->tp_chat)) {
3528                 empathy_keyring_get_room_password_async (priv->account,
3529                                                          empathy_tp_chat_get_id (priv->tp_chat),
3530                                                          chat_room_got_password_cb, self);
3531         }
3532 }
3533
3534 static void
3535 chat_sms_channel_changed_cb (EmpathyChat *self)
3536 {
3537         EmpathyChatPriv *priv = GET_PRIV (self);
3538
3539         priv->sms_channel = empathy_tp_chat_is_sms_channel (priv->tp_chat);
3540         g_object_notify (G_OBJECT (self), "sms-channel");
3541 }
3542
3543 static void
3544 chat_n_messages_sending_changed_cb (EmpathyChat *self)
3545 {
3546         g_object_notify (G_OBJECT (self), "n-messages-sending");
3547 }
3548
3549 void
3550 empathy_chat_set_tp_chat (EmpathyChat   *chat,
3551                           EmpathyTpChat *tp_chat)
3552 {
3553         EmpathyChatPriv *priv = GET_PRIV (chat);
3554         GPtrArray       *properties;
3555
3556         g_return_if_fail (EMPATHY_IS_CHAT (chat));
3557         g_return_if_fail (EMPATHY_IS_TP_CHAT (tp_chat));
3558         g_return_if_fail (empathy_tp_chat_is_ready (tp_chat));
3559
3560         if (priv->tp_chat) {
3561                 return;
3562         }
3563
3564         if (priv->account) {
3565                 g_object_unref (priv->account);
3566         }
3567
3568         priv->tp_chat = g_object_ref (tp_chat);
3569         priv->account = g_object_ref (empathy_tp_chat_get_account (priv->tp_chat));
3570
3571         g_signal_connect (tp_chat, "destroy",
3572                           G_CALLBACK (chat_destroy_cb),
3573                           chat);
3574         g_signal_connect (tp_chat, "message-received",
3575                           G_CALLBACK (chat_message_received_cb),
3576                           chat);
3577         g_signal_connect (tp_chat, "pending-message-removed",
3578                           G_CALLBACK (chat_pending_message_removed_cb),
3579                           chat);
3580         g_signal_connect (tp_chat, "send-error",
3581                           G_CALLBACK (chat_send_error_cb),
3582                           chat);
3583         g_signal_connect (tp_chat, "chat-state-changed",
3584                           G_CALLBACK (chat_state_changed_cb),
3585                           chat);
3586         g_signal_connect (tp_chat, "property-changed",
3587                           G_CALLBACK (chat_property_changed_cb),
3588                           chat);
3589         g_signal_connect (tp_chat, "members-changed",
3590                           G_CALLBACK (chat_members_changed_cb),
3591                           chat);
3592         g_signal_connect (tp_chat, "member-renamed",
3593                           G_CALLBACK (chat_member_renamed_cb),
3594                           chat);
3595         g_signal_connect_swapped (tp_chat, "notify::remote-contact",
3596                                   G_CALLBACK (chat_remote_contact_changed_cb),
3597                                   chat);
3598         g_signal_connect_swapped (tp_chat, "notify::password-needed",
3599                                   G_CALLBACK (chat_password_needed_changed_cb),
3600                                   chat);
3601         g_signal_connect_swapped (tp_chat, "notify::sms-channel",
3602                                   G_CALLBACK (chat_sms_channel_changed_cb),
3603                                   chat);
3604         g_signal_connect_swapped (tp_chat, "notify::n-messages-sending",
3605                                   G_CALLBACK (chat_n_messages_sending_changed_cb),
3606                                   chat);
3607
3608         /* Get initial value of properties */
3609         properties = empathy_tp_chat_get_properties (priv->tp_chat);
3610         if (properties != NULL) {
3611                 guint i;
3612
3613                 for (i = 0; i < properties->len; i++) {
3614                         EmpathyTpChatProperty *property;
3615
3616                         property = g_ptr_array_index (properties, i);
3617                         if (property->value == NULL)
3618                                 continue;
3619
3620                         chat_property_changed_cb (priv->tp_chat,
3621                                                   property->name,
3622                                                   property->value,
3623                                                   chat);
3624                 }
3625         }
3626
3627         chat_sms_channel_changed_cb (chat);
3628         chat_remote_contact_changed_cb (chat);
3629
3630         if (chat->input_text_view) {
3631                 gtk_widget_set_sensitive (chat->input_text_view, TRUE);
3632                 if (priv->block_events_timeout_id == 0) {
3633                         empathy_chat_view_append_event (chat->view, _("Connected"));
3634                 }
3635         }
3636
3637         g_object_notify (G_OBJECT (chat), "tp-chat");
3638         g_object_notify (G_OBJECT (chat), "id");
3639         g_object_notify (G_OBJECT (chat), "account");
3640
3641         /* This is a noop when tp-chat is set at object construction time and causes
3642          * the pending messages to be show when it's set on the object after it has
3643          * been created */
3644         show_pending_messages (chat);
3645
3646         /* check if a password is needed */
3647         chat_password_needed_changed_cb (chat);
3648 }
3649
3650 TpAccount *
3651 empathy_chat_get_account (EmpathyChat *chat)
3652 {
3653         EmpathyChatPriv *priv = GET_PRIV (chat);
3654
3655         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
3656
3657         return priv->account;
3658 }
3659
3660 const gchar *
3661 empathy_chat_get_id (EmpathyChat *chat)
3662 {
3663         EmpathyChatPriv *priv = GET_PRIV (chat);
3664
3665         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
3666
3667         return priv->id;
3668 }
3669
3670 gchar *
3671 empathy_chat_dup_name (EmpathyChat *chat)
3672 {
3673         EmpathyChatPriv *priv = GET_PRIV (chat);
3674         const gchar *ret;
3675
3676         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
3677
3678         ret = priv->name;
3679
3680         if (!ret && priv->remote_contact) {
3681                 ret = empathy_contact_get_alias (priv->remote_contact);
3682         }
3683
3684         if (!ret)
3685                 ret = priv->id;
3686
3687         if (!ret)
3688                 ret = _("Conversation");
3689
3690         if (priv->sms_channel)
3691                 /* Translators: this string is a something like
3692                  * "Escher Cat (SMS)" */
3693                 return g_strdup_printf (_("%s (SMS)"), ret);
3694         else
3695                 return g_strdup (ret);
3696 }
3697
3698 const gchar *
3699 empathy_chat_get_subject (EmpathyChat *chat)
3700 {
3701         EmpathyChatPriv *priv = GET_PRIV (chat);
3702
3703         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
3704
3705         return priv->subject;
3706 }
3707
3708 EmpathyContact *
3709 empathy_chat_get_remote_contact (EmpathyChat *chat)
3710 {
3711         EmpathyChatPriv *priv = GET_PRIV (chat);
3712
3713         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
3714
3715         return priv->remote_contact;
3716 }
3717
3718 GtkWidget *
3719 empathy_chat_get_contact_menu (EmpathyChat *chat)
3720 {
3721         EmpathyChatPriv *priv = GET_PRIV (chat);
3722         GtkWidget       *menu = NULL;
3723
3724         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
3725
3726         if (priv->remote_contact) {
3727                 menu = empathy_contact_menu_new (priv->remote_contact,
3728                                                  EMPATHY_CONTACT_FEATURE_CALL |
3729                                                  EMPATHY_CONTACT_FEATURE_LOG |
3730                                                  EMPATHY_CONTACT_FEATURE_INFO |
3731                                                  EMPATHY_CONTACT_FEATURE_BLOCK);
3732         }
3733
3734         return menu;
3735 }
3736
3737 void
3738 empathy_chat_clear (EmpathyChat *chat)
3739 {
3740         g_return_if_fail (EMPATHY_IS_CHAT (chat));
3741
3742         empathy_chat_view_clear (chat->view);
3743 }
3744
3745 void
3746 empathy_chat_scroll_down (EmpathyChat *chat)
3747 {
3748         g_return_if_fail (EMPATHY_IS_CHAT (chat));
3749
3750         empathy_chat_view_scroll_down (chat->view);
3751 }
3752
3753 void
3754 empathy_chat_cut (EmpathyChat *chat)
3755 {
3756         GtkTextBuffer *buffer;
3757
3758         g_return_if_fail (EMPATHY_IS_CHAT (chat));
3759
3760         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
3761         if (gtk_text_buffer_get_has_selection (buffer)) {
3762                 GtkClipboard *clipboard;
3763
3764                 clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
3765
3766                 gtk_text_buffer_cut_clipboard (buffer, clipboard, TRUE);
3767         }
3768 }
3769
3770 void
3771 empathy_chat_copy (EmpathyChat *chat)
3772 {
3773         GtkTextBuffer *buffer;
3774
3775         g_return_if_fail (EMPATHY_IS_CHAT (chat));
3776
3777         if (empathy_chat_view_get_has_selection (chat->view)) {
3778                 empathy_chat_view_copy_clipboard (chat->view);
3779                 return;
3780         }
3781
3782         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
3783         if (gtk_text_buffer_get_has_selection (buffer)) {
3784                 GtkClipboard *clipboard;
3785
3786                 clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
3787
3788                 gtk_text_buffer_copy_clipboard (buffer, clipboard);
3789         }
3790         else {
3791                 gint start_offset;
3792                 gint end_offset;
3793                 EmpathyChatPriv *priv = GET_PRIV (chat);
3794
3795                 if (gtk_label_get_selection_bounds (GTK_LABEL (priv->label_topic),
3796                                                                &start_offset,
3797                                                                &end_offset)) {
3798                         gchar *start;
3799                         gchar *end;
3800                         gchar *selection;
3801                         const gchar *topic;
3802                         GtkClipboard *clipboard;
3803
3804                         topic = gtk_label_get_text (GTK_LABEL (priv->label_topic));
3805                         start = g_utf8_offset_to_pointer (topic, start_offset);
3806                         end = g_utf8_offset_to_pointer (topic, end_offset);
3807                         selection = g_strndup (start, end - start);
3808
3809                         clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
3810                         gtk_clipboard_set_text (clipboard, selection, -1);
3811
3812                         g_free (selection);
3813                 }
3814         }
3815 }
3816
3817 void
3818 empathy_chat_paste (EmpathyChat *chat)
3819 {
3820         GtkTextBuffer *buffer;
3821         GtkClipboard  *clipboard;
3822         EmpathyChatPriv *priv;
3823
3824         g_return_if_fail (EMPATHY_IS_CHAT (chat));
3825
3826         priv = GET_PRIV (chat);
3827
3828         if (gtk_widget_get_visible (priv->search_bar)) {
3829                 empathy_search_bar_paste_clipboard (EMPATHY_SEARCH_BAR (priv->search_bar));
3830                 return;
3831         }
3832
3833         if (priv->tp_chat == NULL ||
3834             !gtk_widget_is_sensitive (chat->input_text_view))
3835                 return;
3836
3837         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
3838         clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
3839
3840         gtk_text_buffer_paste_clipboard (buffer, clipboard, NULL, TRUE);
3841 }
3842
3843 void
3844 empathy_chat_find (EmpathyChat *chat)
3845 {
3846         EmpathyChatPriv *priv;
3847
3848         g_return_if_fail (EMPATHY_IS_CHAT (chat));
3849
3850         priv = GET_PRIV (chat);
3851
3852         empathy_search_bar_show (EMPATHY_SEARCH_BAR (priv->search_bar));
3853 }
3854
3855 void
3856 empathy_chat_correct_word (EmpathyChat  *chat,
3857                           GtkTextIter *start,
3858                           GtkTextIter *end,
3859                           const gchar *new_word)
3860 {
3861         GtkTextBuffer *buffer;
3862
3863         g_return_if_fail (chat != NULL);
3864         g_return_if_fail (new_word != NULL);
3865
3866         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
3867
3868         gtk_text_buffer_delete (buffer, start, end);
3869         gtk_text_buffer_insert (buffer, start,
3870                                 new_word,
3871                                 -1);
3872 }
3873
3874 gboolean
3875 empathy_chat_is_room (EmpathyChat *chat)
3876 {
3877         EmpathyChatPriv *priv = GET_PRIV (chat);
3878
3879         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), FALSE);
3880
3881         return (priv->handle_type == TP_HANDLE_TYPE_ROOM);
3882 }
3883
3884 guint
3885 empathy_chat_get_nb_unread_messages (EmpathyChat *self)
3886 {
3887         EmpathyChatPriv *priv = GET_PRIV (self);
3888
3889         g_return_val_if_fail (EMPATHY_IS_CHAT (self), 0);
3890
3891         return priv->unread_messages;
3892 }
3893
3894 /* called when the messages have been read by user */
3895 void
3896 empathy_chat_messages_read (EmpathyChat *self)
3897 {
3898         EmpathyChatPriv *priv = GET_PRIV (self);
3899
3900         g_return_if_fail (EMPATHY_IS_CHAT (self));
3901
3902         /* FIXME: See Bug#610994, See comments about it in EmpathyChatPriv
3903          * definition. If we are still retrieving the backlogs, do not ACK */
3904         if (priv->retrieving_backlogs)
3905                 return;
3906
3907         if (priv->tp_chat != NULL ) {
3908                 empathy_tp_chat_acknowledge_all_messages (priv->tp_chat);
3909         }
3910
3911         empathy_chat_view_focus_toggled (self->view, TRUE);
3912 }
3913
3914 /* Return TRUE if on of the contacts in this chat is composing */
3915 gboolean
3916 empathy_chat_is_composing (EmpathyChat *chat)
3917 {
3918   return chat->priv->compositors != NULL;
3919 }
3920
3921 gboolean
3922 empathy_chat_is_sms_channel (EmpathyChat *self)
3923 {
3924         EmpathyChatPriv *priv = GET_PRIV (self);
3925
3926         g_return_val_if_fail (EMPATHY_IS_CHAT (self), 0);
3927
3928         return priv->sms_channel;
3929 }
3930
3931 guint
3932 empathy_chat_get_n_messages_sending (EmpathyChat *self)
3933 {
3934         EmpathyChatPriv *priv;
3935
3936         g_return_val_if_fail (EMPATHY_IS_CHAT (self), 0);
3937
3938         priv = GET_PRIV (self);
3939
3940         if (priv->tp_chat == NULL) {
3941                 return 0;
3942         } else {
3943                 guint n_messages;
3944
3945                 g_object_get (priv->tp_chat,
3946                         "n-messages-sending", &n_messages,
3947                         NULL);
3948
3949                 return n_messages;
3950         }
3951 }