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                                  EmpathyMessage *message,
1297                                  EmpathyChat    *chat)
1298 {
1299         EmpathyChatPriv *priv = GET_PRIV (chat);
1300
1301         empathy_chat_view_message_acknowledged (chat->view,
1302             message);
1303
1304         priv->unread_messages--;
1305         g_object_notify (G_OBJECT (chat), "nb-unread-messages");
1306 }
1307
1308 static void
1309 chat_send_error_cb (EmpathyTpChat          *tp_chat,
1310                     const gchar            *message_body,
1311                     TpChannelTextSendError  error_code,
1312                     const gchar            *dbus_error,
1313                     EmpathyChat            *chat)
1314 {
1315         const gchar *error = NULL;
1316         gchar       *str;
1317
1318         if (!tp_strdiff (dbus_error, TP_ERROR_STR_INSUFFICIENT_BALANCE)) {
1319                 /* translators: error used when user doesn't have enough credit on his
1320                  * account to send the message. */
1321                 error = _("insufficient balance to send message");
1322         } else if (!tp_strdiff (dbus_error, TP_ERROR_STR_NOT_CAPABLE)) {
1323                 error = _("not capable");
1324         }
1325
1326         if (error == NULL) {
1327                 /* if we didn't find a dbus-error, try the old error */
1328                 switch (error_code) {
1329                 case TP_CHANNEL_TEXT_SEND_ERROR_OFFLINE:
1330                         error = _("offline");
1331                         break;
1332                 case TP_CHANNEL_TEXT_SEND_ERROR_INVALID_CONTACT:
1333                         error = _("invalid contact");
1334                         break;
1335                 case TP_CHANNEL_TEXT_SEND_ERROR_PERMISSION_DENIED:
1336                         error = _("permission denied");
1337                         break;
1338                 case TP_CHANNEL_TEXT_SEND_ERROR_TOO_LONG:
1339                         error = _("too long message");
1340                         break;
1341                 case TP_CHANNEL_TEXT_SEND_ERROR_NOT_IMPLEMENTED:
1342                         error = _("not implemented");
1343                         break;
1344                 case TP_CHANNEL_TEXT_SEND_ERROR_UNKNOWN:
1345                 default:
1346                         error = _("unknown");
1347                         break;
1348                 }
1349         }
1350
1351         if (message_body != NULL) {
1352                         str = g_strdup_printf (_("Error sending message '%s': %s"),
1353                                 message_body, error);
1354         }
1355         else {
1356                         str = g_strdup_printf (_("Error sending message: %s"), error);
1357         }
1358
1359         empathy_chat_view_append_event (chat->view, str);
1360         g_free (str);
1361 }
1362
1363 static void
1364 chat_topic_label_size_allocate_cb (GtkLabel *label,
1365                                    GtkAllocation *allocation,
1366                                    EmpathyChat *chat)
1367 {
1368         EmpathyChatPriv *priv = GET_PRIV (chat);
1369
1370         if (!gtk_label_get_line_wrap (label)) {
1371                 if (pango_layout_is_ellipsized (gtk_label_get_layout (label)))
1372                         gtk_widget_show (priv->expander_topic);
1373                 else
1374                         gtk_widget_hide (priv->expander_topic);
1375
1376                 return;
1377         }
1378 }
1379
1380 static void
1381 chat_topic_expander_activate_cb (GtkExpander *expander,
1382                                  GParamSpec *param_spec,
1383                                  EmpathyChat *chat)
1384 {
1385         EmpathyChatPriv *priv = GET_PRIV (chat);
1386
1387         if (gtk_expander_get_expanded (expander)) {
1388                 gtk_label_set_ellipsize (GTK_LABEL (priv->label_topic), PANGO_ELLIPSIZE_NONE);
1389                 gtk_label_set_line_wrap (GTK_LABEL (priv->label_topic), TRUE);
1390         } else {
1391                 gtk_label_set_ellipsize (GTK_LABEL (priv->label_topic), PANGO_ELLIPSIZE_END);
1392                 gtk_label_set_line_wrap (GTK_LABEL (priv->label_topic), FALSE);
1393         }
1394 }
1395
1396 static void
1397 chat_property_changed_cb (EmpathyTpChat *tp_chat,
1398                           const gchar   *name,
1399                           GValue        *value,
1400                           EmpathyChat   *chat)
1401 {
1402         EmpathyChatPriv *priv = GET_PRIV (chat);
1403
1404         if (!tp_strdiff (name, "subject")) {
1405                 g_free (priv->subject);
1406                 priv->subject = g_value_dup_string (value);
1407                 g_object_notify (G_OBJECT (chat), "subject");
1408
1409                 if (EMP_STR_EMPTY (priv->subject)) {
1410                         gtk_widget_hide (priv->hbox_topic);
1411                 } else {
1412                         gchar *markup_topic;
1413                         gchar *markup_text;
1414
1415                         markup_topic = empathy_add_link_markup (priv->subject);
1416                         markup_text = g_strdup_printf ("<span weight=\"bold\">%s</span> %s",
1417                                 _("Topic:"), markup_topic);
1418
1419                         gtk_label_set_markup (GTK_LABEL (priv->label_topic), markup_text);
1420                         g_free (markup_text);
1421                         g_free (markup_topic);
1422
1423                         gtk_widget_show (priv->hbox_topic);
1424                 }
1425                 if (priv->block_events_timeout_id == 0) {
1426                         gchar *str;
1427
1428                         if (!EMP_STR_EMPTY (priv->subject)) {
1429                                 str = g_strdup_printf (_("Topic set to: %s"), priv->subject);
1430                         } else {
1431                                 str = g_strdup (_("No topic defined"));
1432                         }
1433                         empathy_chat_view_append_event (EMPATHY_CHAT (chat)->view, str);
1434                         g_free (str);
1435                 }
1436         }
1437         else if (!tp_strdiff (name, "name")) {
1438                 g_free (priv->name);
1439                 priv->name = g_value_dup_string (value);
1440                 g_object_notify (G_OBJECT (chat), "name");
1441         }
1442 }
1443
1444 static gboolean
1445 chat_input_text_get_word_from_iter (GtkTextIter   *iter,
1446                                     GtkTextIter   *start,
1447                                     GtkTextIter   *end)
1448 {
1449         GtkTextIter word_start = *iter;
1450         GtkTextIter word_end = *iter;
1451         GtkTextIter tmp;
1452
1453         if (gtk_text_iter_inside_word (&word_end) &&
1454                         !gtk_text_iter_ends_word (&word_end)) {
1455                 gtk_text_iter_forward_word_end (&word_end);
1456         }
1457
1458         tmp = word_end;
1459
1460         if (gtk_text_iter_get_char (&tmp) == '\'') {
1461                 gtk_text_iter_forward_char (&tmp);
1462
1463                 if (g_unichar_isalpha (gtk_text_iter_get_char (&tmp))) {
1464                         gtk_text_iter_forward_word_end (&word_end);
1465                 }
1466         }
1467
1468
1469         if (gtk_text_iter_inside_word (&word_start) ||
1470                         gtk_text_iter_ends_word (&word_start)) {
1471                 if (!gtk_text_iter_starts_word (&word_start) ||
1472                                 gtk_text_iter_equal (&word_start, &word_end)) {
1473                         gtk_text_iter_backward_word_start (&word_start);
1474                 }
1475
1476                 tmp = word_start;
1477                 gtk_text_iter_backward_char (&tmp);
1478
1479                 if (gtk_text_iter_get_char (&tmp) == '\'') {
1480                         gtk_text_iter_backward_char (&tmp);
1481
1482                         if (g_unichar_isalpha (gtk_text_iter_get_char (&tmp))) {
1483                                 gtk_text_iter_backward_word_start (&word_start);
1484                         }
1485                 }
1486         }
1487
1488         *start = word_start;
1489         *end = word_end;
1490         return TRUE;
1491 }
1492
1493 static void
1494 chat_input_text_buffer_insert_text_cb (GtkTextBuffer *buffer,
1495                                        GtkTextIter   *location,
1496                                        gchar         *text,
1497                                        gint           len,
1498                                        EmpathyChat   *chat)
1499 {
1500         GtkTextIter iter, pos;
1501
1502         /* Remove all misspelled tags in the inserted text.
1503          * This happens when text is inserted within a misspelled word. */
1504         gtk_text_buffer_get_iter_at_offset (buffer, &iter,
1505                                             gtk_text_iter_get_offset (location) - len);
1506         gtk_text_buffer_remove_tag_by_name (buffer, "misspelled",
1507                                             &iter, location);
1508
1509         gtk_text_buffer_get_iter_at_mark (buffer, &pos, gtk_text_buffer_get_insert (buffer));
1510
1511         do {
1512                 GtkTextIter start, end;
1513                 gchar *str;
1514
1515                 if (!chat_input_text_get_word_from_iter (&iter, &start, &end))
1516                         continue;
1517
1518                 str = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
1519
1520                 if (gtk_text_iter_in_range (&pos, &start, &end) ||
1521                                 gtk_text_iter_equal (&pos, &end) ||
1522                                 empathy_spell_check (str)) {
1523                         gtk_text_buffer_remove_tag_by_name (buffer, "misspelled", &start, &end);
1524                 } else {
1525                         gtk_text_buffer_apply_tag_by_name (buffer, "misspelled", &start, &end);
1526                 }
1527
1528                 g_free (str);
1529
1530         } while (gtk_text_iter_forward_word_end (&iter) &&
1531                  gtk_text_iter_compare (&iter, location) <= 0);
1532 }
1533
1534 static void
1535 chat_input_text_buffer_delete_range_cb (GtkTextBuffer *buffer,
1536                                         GtkTextIter   *start,
1537                                         GtkTextIter   *end,
1538                                         EmpathyChat   *chat)
1539 {
1540         GtkTextIter word_start, word_end;
1541
1542         if (chat_input_text_get_word_from_iter (start, &word_start, &word_end)) {
1543                 gtk_text_buffer_remove_tag_by_name (buffer, "misspelled",
1544                                                     &word_start, &word_end);
1545         }
1546 }
1547
1548 static void
1549 chat_input_text_buffer_changed_cb (GtkTextBuffer *buffer,
1550                                    EmpathyChat    *chat)
1551 {
1552         if (gtk_text_buffer_get_char_count (buffer) == 0) {
1553                 chat_composing_stop (chat);
1554         } else {
1555                 chat_composing_start (chat);
1556         }
1557 }
1558
1559 static void
1560 chat_input_text_buffer_notify_cursor_position_cb (GtkTextBuffer *buffer,
1561                                                   GParamSpec    *pspec,
1562                                                   EmpathyChat    *chat)
1563 {
1564         GtkTextIter pos;
1565         GtkTextIter prev_pos;
1566         GtkTextIter word_start;
1567         GtkTextIter word_end;
1568         GtkTextMark *mark;
1569         gchar *str;
1570
1571         mark = gtk_text_buffer_get_mark (buffer, "previous-cursor-position");
1572
1573         gtk_text_buffer_get_iter_at_mark (buffer, &pos,
1574                                           gtk_text_buffer_get_insert (buffer));
1575         gtk_text_buffer_get_iter_at_mark (buffer, &prev_pos, mark);
1576
1577         if (!chat_input_text_get_word_from_iter (&prev_pos, &word_start, &word_end))
1578                 goto out;
1579
1580         if (!gtk_text_iter_in_range (&pos, &word_start, &word_end) &&
1581                         !gtk_text_iter_equal (&pos, &word_end)) {
1582                 str = gtk_text_buffer_get_text (buffer,
1583                                         &word_start, &word_end, FALSE);
1584
1585                 if (!empathy_spell_check (str)) {
1586                         gtk_text_buffer_apply_tag_by_name (buffer,
1587                                         "misspelled", &word_start, &word_end);
1588                 } else {
1589                         gtk_text_buffer_remove_tag_by_name (buffer,
1590                                         "misspelled", &word_start, &word_end);
1591                 }
1592
1593                 g_free (str);
1594         }
1595
1596 out:
1597         gtk_text_buffer_move_mark (buffer, mark, &pos);
1598 }
1599
1600 static gboolean
1601 empathy_isspace_cb (gunichar c,
1602                  gpointer data)
1603 {
1604         return g_unichar_isspace (c);
1605 }
1606
1607 static gboolean
1608 chat_input_key_press_event_cb (GtkWidget   *widget,
1609                                GdkEventKey *event,
1610                                EmpathyChat *chat)
1611 {
1612         EmpathyChatPriv *priv;
1613         GtkAdjustment  *adj;
1614         gdouble         val;
1615         GtkWidget      *text_view_sw;
1616
1617         priv = GET_PRIV (chat);
1618
1619         /* Catch ctrl+up/down so we can traverse messages we sent */
1620         if ((event->state & GDK_CONTROL_MASK) &&
1621             (event->keyval == GDK_KEY_Up ||
1622              event->keyval == GDK_KEY_Down)) {
1623                 GtkTextBuffer *buffer;
1624                 const gchar   *str;
1625
1626                 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1627                 chat_input_history_update (chat, buffer);
1628
1629                 if (event->keyval == GDK_KEY_Up) {
1630                         str = chat_input_history_get_next (chat);
1631                 } else {
1632                         str = chat_input_history_get_prev (chat);
1633                 }
1634
1635                 g_signal_handlers_block_by_func (buffer,
1636                                                  chat_input_text_buffer_changed_cb,
1637                                                  chat);
1638                 gtk_text_buffer_set_text (buffer, str ? str : "", -1);
1639                 g_signal_handlers_unblock_by_func (buffer,
1640                                                    chat_input_text_buffer_changed_cb,
1641                                                    chat);
1642
1643                 return TRUE;
1644         }
1645
1646         /* Catch enter but not ctrl/shift-enter */
1647         if (IS_ENTER (event->keyval) &&
1648             !(event->state & (GDK_SHIFT_MASK | GDK_CONTROL_MASK))) {
1649                 GtkTextView *view;
1650
1651                 /* This is to make sure that kinput2 gets the enter. And if
1652                  * it's handled there we shouldn't send on it. This is because
1653                  * kinput2 uses Enter to commit letters. See:
1654                  * http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=104299
1655                  */
1656
1657                 view = GTK_TEXT_VIEW (chat->input_text_view);
1658                 if (gtk_text_view_im_context_filter_keypress (view, event)) {
1659                         gtk_text_view_reset_im_context (view);
1660                         return TRUE;
1661                 }
1662
1663                 chat_input_text_view_send (chat);
1664                 return TRUE;
1665         }
1666
1667         text_view_sw = gtk_widget_get_parent (GTK_WIDGET (chat->view));
1668
1669         if (IS_ENTER (event->keyval) &&
1670             (event->state & (GDK_SHIFT_MASK | GDK_CONTROL_MASK))) {
1671                 /* Newline for shift/control-enter. */
1672                 return FALSE;
1673         }
1674         if (!(event->state & GDK_CONTROL_MASK) &&
1675             event->keyval == GDK_KEY_Page_Up) {
1676                 adj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (text_view_sw));
1677                 gtk_adjustment_set_value (adj, gtk_adjustment_get_value (adj) - gtk_adjustment_get_page_size (adj));
1678                 return TRUE;
1679         }
1680         if ((event->state & GDK_CONTROL_MASK) != GDK_CONTROL_MASK &&
1681             event->keyval == GDK_KEY_Page_Down) {
1682                 adj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (text_view_sw));
1683                 val = MIN (gtk_adjustment_get_value (adj) + gtk_adjustment_get_page_size (adj),
1684                            gtk_adjustment_get_upper (adj) - gtk_adjustment_get_page_size (adj));
1685                 gtk_adjustment_set_value (adj, val);
1686                 return TRUE;
1687         }
1688         if (event->keyval == GDK_KEY_Escape) {
1689                 empathy_search_bar_hide (EMPATHY_SEARCH_BAR (priv->search_bar));
1690         }
1691         if (!(event->state & (GDK_CONTROL_MASK | GDK_SHIFT_MASK)) &&
1692             event->keyval == GDK_KEY_Tab) {
1693                 GtkTextBuffer *buffer;
1694                 GtkTextIter    start, current;
1695                 gchar         *nick, *completed;
1696                 GList         *list, *completed_list;
1697                 gboolean       is_start_of_buffer;
1698
1699                 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (EMPATHY_CHAT (chat)->input_text_view));
1700                 gtk_text_buffer_get_iter_at_mark (buffer, &current, gtk_text_buffer_get_insert (buffer));
1701
1702                 /* Get the start of the nick to complete. */
1703                 gtk_text_buffer_get_iter_at_mark (buffer, &start, gtk_text_buffer_get_insert (buffer));
1704                 if (gtk_text_iter_backward_find_char (&start, &empathy_isspace_cb, NULL, NULL)) {
1705                         gtk_text_iter_set_offset (&start, gtk_text_iter_get_offset (&start) + 1);
1706                 }
1707                 is_start_of_buffer = gtk_text_iter_is_start (&start);
1708
1709                 list = empathy_contact_list_get_members (EMPATHY_CONTACT_LIST (priv->tp_chat));
1710                 g_completion_add_items (priv->completion, list);
1711
1712                 nick = gtk_text_buffer_get_text (buffer, &start, &current, FALSE);
1713                 completed_list = g_completion_complete (priv->completion,
1714                                                         nick,
1715                                                         &completed);
1716
1717                 g_free (nick);
1718
1719                 if (completed) {
1720                         guint        len;
1721                         const gchar *text;
1722                         GString     *message = NULL;
1723                         GList       *l;
1724
1725                         gtk_text_buffer_delete (buffer, &start, &current);
1726
1727                         len = g_list_length (completed_list);
1728
1729                         if (len == 1) {
1730                                 /* If we only have one hit, use that text
1731                                  * instead of the text in completed since the
1732                                  * completed text will use the typed string
1733                                  * which might be cased all wrong.
1734                                  * Fixes #120876
1735                                  * */
1736                                 text = empathy_contact_get_alias (completed_list->data);
1737                         } else {
1738                                 text = completed;
1739
1740                                 /* Print all hits to the scrollback view, so the
1741                                  * user knows what possibilities he has.
1742                                  * Fixes #599779
1743                                  * */
1744                                  message = g_string_new ("");
1745                                  for (l = completed_list; l != NULL; l = l->next) {
1746                                         g_string_append (message, empathy_contact_get_alias (l->data));
1747                                         g_string_append (message, " - ");
1748                                  }
1749                                  empathy_chat_view_append_event (chat->view, message->str);
1750                                  g_string_free (message, TRUE);
1751                         }
1752
1753                         gtk_text_buffer_insert_at_cursor (buffer, text, strlen (text));
1754
1755                         if (len == 1 && is_start_of_buffer) {
1756                             gchar *complete_char;
1757
1758                             complete_char = g_settings_get_string (
1759                                     priv->gsettings_chat,
1760                                     EMPATHY_PREFS_CHAT_NICK_COMPLETION_CHAR);
1761
1762                             if (complete_char != NULL) {
1763                                 gtk_text_buffer_insert_at_cursor (buffer,
1764                                                                   complete_char,
1765                                                                   strlen (complete_char));
1766                                 gtk_text_buffer_insert_at_cursor (buffer, " ", 1);
1767                                 g_free (complete_char);
1768                             }
1769                         }
1770
1771                         g_free (completed);
1772                 }
1773
1774                 g_completion_clear_items (priv->completion);
1775
1776                 g_list_foreach (list, (GFunc) g_object_unref, NULL);
1777                 g_list_free (list);
1778
1779                 return TRUE;
1780         }
1781
1782         return FALSE;
1783 }
1784
1785 static gboolean
1786 chat_text_view_focus_in_event_cb (GtkWidget  *widget,
1787                                   GdkEvent   *event,
1788                                   EmpathyChat *chat)
1789 {
1790         gtk_widget_grab_focus (chat->input_text_view);
1791
1792         return TRUE;
1793 }
1794
1795 static void
1796 chat_input_realize_cb (GtkWidget   *widget,
1797                        EmpathyChat *chat)
1798 {
1799         DEBUG ("Setting focus to the input text view");
1800         if (gtk_widget_is_sensitive (widget)) {
1801                 gtk_widget_grab_focus (widget);
1802         }
1803 }
1804
1805 static void
1806 chat_input_has_focus_notify_cb (GtkWidget   *widget,
1807                                 GParamSpec  *pspec,
1808                                 EmpathyChat *chat)
1809 {
1810         empathy_chat_view_focus_toggled (chat->view, gtk_widget_has_focus (widget));
1811 }
1812
1813 static void
1814 chat_insert_smiley_activate_cb (EmpathySmileyManager *manager,
1815                                 EmpathySmiley        *smiley,
1816                                 gpointer              user_data)
1817 {
1818         EmpathyChat   *chat = EMPATHY_CHAT (user_data);
1819         GtkTextBuffer *buffer;
1820         GtkTextIter    iter;
1821
1822         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1823
1824         gtk_text_buffer_get_end_iter (buffer, &iter);
1825         gtk_text_buffer_insert (buffer, &iter, smiley->str, -1);
1826
1827         gtk_text_buffer_get_end_iter (buffer, &iter);
1828         gtk_text_buffer_insert (buffer, &iter, " ", -1);
1829 }
1830
1831 typedef struct {
1832         EmpathyChat  *chat;
1833         gchar       *word;
1834
1835         GtkTextIter  start;
1836         GtkTextIter  end;
1837 } EmpathyChatSpell;
1838
1839 static EmpathyChatSpell *
1840 chat_spell_new (EmpathyChat  *chat,
1841                 const gchar *word,
1842                 GtkTextIter  start,
1843                 GtkTextIter  end)
1844 {
1845         EmpathyChatSpell *chat_spell;
1846
1847         chat_spell = g_slice_new0 (EmpathyChatSpell);
1848
1849         chat_spell->chat = g_object_ref (chat);
1850         chat_spell->word = g_strdup (word);
1851         chat_spell->start = start;
1852         chat_spell->end = end;
1853
1854         return chat_spell;
1855 }
1856
1857 static void
1858 chat_spell_free (EmpathyChatSpell *chat_spell)
1859 {
1860         g_object_unref (chat_spell->chat);
1861         g_free (chat_spell->word);
1862         g_slice_free (EmpathyChatSpell, chat_spell);
1863 }
1864
1865 static void
1866 chat_spelling_menu_activate_cb (GtkMenuItem     *menu_item,
1867                                                 EmpathyChatSpell *chat_spell)
1868 {
1869     empathy_chat_correct_word (chat_spell->chat,
1870                                &(chat_spell->start),
1871                                &(chat_spell->end),
1872                                gtk_menu_item_get_label (menu_item));
1873 }
1874
1875
1876 static GtkWidget *
1877 chat_spelling_build_suggestions_menu (const gchar *code,
1878                                       EmpathyChatSpell *chat_spell)
1879 {
1880         GList     *suggestions, *l;
1881         GtkWidget *menu, *menu_item;
1882
1883         suggestions = empathy_spell_get_suggestions (code, chat_spell->word);
1884         if (suggestions == NULL)
1885                 return NULL;
1886
1887         menu = gtk_menu_new ();
1888         for (l = suggestions; l; l = l->next) {
1889                 menu_item = gtk_menu_item_new_with_label (l->data);
1890                 g_signal_connect (G_OBJECT (menu_item), "activate",
1891                                   G_CALLBACK (chat_spelling_menu_activate_cb),
1892                                   chat_spell);
1893                 gtk_menu_shell_append (GTK_MENU_SHELL (menu), menu_item);
1894         }
1895         empathy_spell_free_suggestions (suggestions);
1896
1897         gtk_widget_show_all (menu);
1898
1899         return menu;
1900 }
1901
1902 static GtkWidget *
1903 chat_spelling_build_menu (EmpathyChatSpell *chat_spell)
1904 {
1905         GtkWidget *menu, *submenu, *item;
1906         GList     *codes, *l;
1907
1908         codes = empathy_spell_get_enabled_language_codes ();
1909         g_assert (codes != NULL);
1910
1911         if (g_list_length (codes) > 1) {
1912                 menu = gtk_menu_new ();
1913
1914                 for (l = codes; l; l = l->next) {
1915                         const gchar *code, *name;
1916
1917                         code = l->data;
1918                         name = empathy_spell_get_language_name (code);
1919                         if (!name)
1920                                 continue;
1921
1922                         item = gtk_image_menu_item_new_with_label (name);
1923
1924                         submenu = chat_spelling_build_suggestions_menu (
1925                                         code, chat_spell);
1926                         if (submenu == NULL)
1927                                 gtk_widget_set_sensitive (item, FALSE);
1928                         else
1929                                 gtk_menu_item_set_submenu (GTK_MENU_ITEM (item),
1930                                                            submenu);
1931                         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
1932                 }
1933         } else {
1934                 menu = chat_spelling_build_suggestions_menu (codes->data,
1935                                                              chat_spell);
1936                 if (menu == NULL) {
1937                         menu = gtk_menu_new ();
1938                         item = gtk_menu_item_new_with_label (_("(No Suggestions)"));
1939                         gtk_widget_set_sensitive (item, FALSE);
1940                         gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1941                 }
1942         }
1943         g_list_free (codes);
1944
1945         gtk_widget_show_all (menu);
1946
1947         return menu;
1948 }
1949
1950 typedef struct {
1951         EmpathyChat  *chat;
1952         gchar        *word;
1953         gchar        *code;
1954 } EmpathyChatWord;
1955
1956 static EmpathyChatWord *
1957 chat_word_new (EmpathyChat  *chat,
1958                 const gchar  *word,
1959                 const gchar  *code)
1960 {
1961         EmpathyChatWord *chat_word;
1962
1963         chat_word = g_slice_new0 (EmpathyChatWord);
1964
1965         chat_word->chat = g_object_ref (chat);
1966         chat_word->word = g_strdup (word);
1967         chat_word->code = g_strdup (code);
1968
1969         return chat_word;
1970 }
1971
1972 static void
1973 chat_word_free (EmpathyChatWord *chat_word)
1974 {
1975         g_object_unref (chat_word->chat);
1976         g_free (chat_word->word);
1977         g_free (chat_word->code);
1978         g_slice_free (EmpathyChatWord, chat_word);
1979 }
1980
1981 static void
1982 chat_add_to_dictionary_activate_cb (GtkMenuItem     *menu_item,
1983                                     EmpathyChatWord *chat_word)
1984 {
1985         EmpathyChatPriv *priv = GET_PRIV (chat_word->chat);
1986
1987         empathy_spell_add_to_dictionary (chat_word->code,
1988                                          chat_word->word);
1989         priv->update_misspelled_words_id =
1990                 g_idle_add (update_misspelled_words, chat_word->chat);
1991 }
1992
1993 static GtkWidget *
1994 chat_spelling_build_add_to_dictionary_item (EmpathyChatSpell *chat_spell)
1995 {
1996         GtkWidget       *menu, *item, *lang_item, *image;
1997         GList           *codes, *l;
1998         gchar           *label;
1999         const gchar     *code, *name;
2000         EmpathyChatWord *chat_word;
2001
2002         codes = empathy_spell_get_enabled_language_codes ();
2003         g_assert (codes != NULL);
2004         if (g_list_length (codes) > 1) {
2005                 /* translators: %s is the selected word */
2006                 label = g_strdup_printf (_("Add '%s' to Dictionary"),
2007                                         chat_spell->word);
2008                 item = gtk_image_menu_item_new_with_mnemonic (label);
2009                 g_free (label);
2010                 image = gtk_image_new_from_icon_name (GTK_STOCK_ADD,
2011                                                       GTK_ICON_SIZE_MENU);
2012                 gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item),
2013                                                image);
2014
2015                 menu = gtk_menu_new ();
2016
2017                 for (l = codes; l; l = l->next) {
2018                         code = l->data;
2019                         name = empathy_spell_get_language_name (code);
2020                         if (name == NULL)
2021                                 continue;
2022
2023                         lang_item = gtk_image_menu_item_new_with_label (name);
2024
2025                         chat_word= chat_word_new (chat_spell->chat,
2026                                                   chat_spell->word, code);
2027                         g_object_set_data_full (G_OBJECT (lang_item),
2028                                 "chat-word", chat_word,
2029                                 (GDestroyNotify) chat_word_free);
2030
2031                         g_signal_connect (G_OBJECT (lang_item), "activate",
2032                                 G_CALLBACK (chat_add_to_dictionary_activate_cb),
2033                                 chat_word);
2034                         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), lang_item);
2035                 }
2036                 gtk_menu_item_set_submenu (GTK_MENU_ITEM (item), menu);
2037         } else {
2038                 code = codes->data;
2039                 name = empathy_spell_get_language_name (code);
2040                 g_assert (name != NULL);
2041                 /* translators: first %s is the selected word,
2042                  * second %s is the language name of the target dictionary */
2043                 label = g_strdup_printf (_("Add '%s' to %s Dictionary"),
2044                                         chat_spell->word, name);
2045                 item = gtk_image_menu_item_new_with_mnemonic (label);
2046                 g_free (label);
2047                 image = gtk_image_new_from_icon_name (GTK_STOCK_ADD,
2048                                                       GTK_ICON_SIZE_MENU);
2049                 gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item), image);
2050
2051                 chat_word = chat_word_new (chat_spell->chat, chat_spell->word,
2052                                            code);
2053                 g_object_set_data_full (G_OBJECT (item), "chat-word", chat_word,
2054                                         (GDestroyNotify) chat_word_free);
2055
2056                 g_signal_connect (G_OBJECT (item), "activate",
2057                                   G_CALLBACK (chat_add_to_dictionary_activate_cb),
2058                                   chat_word);
2059         }
2060         g_list_free (codes);
2061
2062         gtk_widget_show_all (item);
2063
2064         return item;
2065 }
2066
2067 static void
2068 chat_text_send_cb (GtkMenuItem *menuitem,
2069                    EmpathyChat *chat)
2070 {
2071         chat_input_text_view_send (chat);
2072 }
2073
2074 static void
2075 chat_input_populate_popup_cb (GtkTextView *view,
2076                               GtkMenu     *menu,
2077                               EmpathyChat *chat)
2078 {
2079         GtkTextBuffer        *buffer;
2080         GtkTextTagTable      *table;
2081         GtkTextTag           *tag;
2082         gint                  x, y;
2083         GtkTextIter           iter, start, end;
2084         GtkWidget            *item;
2085         gchar                *str = NULL;
2086         EmpathyChatSpell     *chat_spell;
2087         GtkWidget            *spell_menu;
2088         GtkWidget            *spell_item;
2089         EmpathySmileyManager *smiley_manager;
2090         GtkWidget            *smiley_menu;
2091         GtkWidget            *image;
2092
2093         buffer = gtk_text_view_get_buffer (view);
2094
2095         /* Add the emoticon menu. */
2096         item = gtk_separator_menu_item_new ();
2097         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
2098         gtk_widget_show (item);
2099
2100         item = gtk_image_menu_item_new_with_mnemonic (_("Insert Smiley"));
2101         image = gtk_image_new_from_icon_name ("face-smile",
2102                                               GTK_ICON_SIZE_MENU);
2103         gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item), image);
2104         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
2105         gtk_widget_show (item);
2106
2107         smiley_manager = empathy_smiley_manager_dup_singleton ();
2108         smiley_menu = empathy_smiley_menu_new (smiley_manager,
2109                                                chat_insert_smiley_activate_cb,
2110                                                chat);
2111         gtk_menu_item_set_submenu (GTK_MENU_ITEM (item), smiley_menu);
2112         g_object_unref (smiley_manager);
2113
2114         /* Add the Send menu item. */
2115         gtk_text_buffer_get_bounds (buffer, &start, &end);
2116         str = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
2117         if (!EMP_STR_EMPTY (str)) {
2118                 item = gtk_menu_item_new_with_mnemonic (_("_Send"));
2119                 g_signal_connect (G_OBJECT (item), "activate",
2120                                   G_CALLBACK (chat_text_send_cb), chat);
2121                 gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
2122                 gtk_widget_show (item);
2123         }
2124         str = NULL;
2125
2126         /* Add the spell check menu item. */
2127         table = gtk_text_buffer_get_tag_table (buffer);
2128         tag = gtk_text_tag_table_lookup (table, "misspelled");
2129         gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
2130         gtk_text_view_window_to_buffer_coords (GTK_TEXT_VIEW (view),
2131                                                GTK_TEXT_WINDOW_WIDGET,
2132                                                x, y,
2133                                                &x, &y);
2134         gtk_text_view_get_iter_at_location (GTK_TEXT_VIEW (view), &iter, x, y);
2135         start = end = iter;
2136         if (gtk_text_iter_backward_to_tag_toggle (&start, tag) &&
2137             gtk_text_iter_forward_to_tag_toggle (&end, tag)) {
2138
2139                 str = gtk_text_buffer_get_text (buffer,
2140                                                 &start, &end, FALSE);
2141         }
2142         if (!EMP_STR_EMPTY (str)) {
2143                 chat_spell = chat_spell_new (chat, str, start, end);
2144                 g_object_set_data_full (G_OBJECT (menu),
2145                                         "chat-spell", chat_spell,
2146                                         (GDestroyNotify) chat_spell_free);
2147
2148                 item = gtk_separator_menu_item_new ();
2149                 gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
2150                 gtk_widget_show (item);
2151
2152                 /* Spelling suggestions */
2153                 item = gtk_image_menu_item_new_with_mnemonic (_("_Spelling Suggestions"));
2154                 image = gtk_image_new_from_icon_name (GTK_STOCK_SPELL_CHECK,
2155                                                       GTK_ICON_SIZE_MENU);
2156                 gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item), image);
2157
2158                 spell_menu = chat_spelling_build_menu (chat_spell);
2159                 gtk_menu_item_set_submenu (GTK_MENU_ITEM (item), spell_menu);
2160
2161
2162                 spell_item = gtk_separator_menu_item_new ();
2163                 gtk_menu_shell_append (GTK_MENU_SHELL (spell_menu), spell_item);
2164                 gtk_widget_show (spell_item);
2165
2166                 /* Add to dictionary */
2167                 spell_item = chat_spelling_build_add_to_dictionary_item (chat_spell);
2168
2169                 gtk_menu_shell_append (GTK_MENU_SHELL (spell_menu), spell_item);
2170                 gtk_widget_show (spell_item);
2171
2172                 gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
2173                 gtk_widget_show (item);
2174         }
2175 }
2176
2177
2178 static gboolean
2179 chat_log_filter (TplEvent *log,
2180                  gpointer user_data)
2181 {
2182         EmpathyChat *chat = user_data;
2183         EmpathyMessage *message;
2184         EmpathyChatPriv *priv = GET_PRIV (chat);
2185         const GList *pending;
2186
2187         g_return_val_if_fail (TPL_IS_EVENT (log), FALSE);
2188         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), FALSE);
2189
2190         pending = empathy_tp_chat_get_pending_messages (priv->tp_chat);
2191         message = empathy_message_from_tpl_log_event (log);
2192
2193         for (; pending; pending = g_list_next (pending)) {
2194                 if (empathy_message_equal (message, pending->data)) {
2195                         g_object_unref (message);
2196                         return FALSE;
2197                 }
2198         }
2199
2200         g_object_unref (message);
2201         return TRUE;
2202 }
2203
2204
2205 static void
2206 show_pending_messages (EmpathyChat *chat) {
2207         EmpathyChatPriv *priv = GET_PRIV (chat);
2208         const GList *messages, *l;
2209
2210         g_return_if_fail (EMPATHY_IS_CHAT (chat));
2211
2212         if (chat->view == NULL || priv->tp_chat == NULL)
2213                 return;
2214
2215         if (!priv->can_show_pending)
2216                 return;
2217
2218         messages = empathy_tp_chat_get_pending_messages (priv->tp_chat);
2219
2220         for (l = messages; l != NULL ; l = g_list_next (l)) {
2221                 EmpathyMessage *message = EMPATHY_MESSAGE (l->data);
2222                 chat_message_received (chat, message, TRUE);
2223         }
2224 }
2225
2226
2227 static void
2228 got_filtered_messages_cb (GObject *manager,
2229                 GAsyncResult *result,
2230                 gpointer user_data)
2231 {
2232         GList *l;
2233         GList *messages;
2234         EmpathyChat *chat = EMPATHY_CHAT (user_data);
2235         EmpathyChatPriv *priv = GET_PRIV (chat);
2236         GError *error = NULL;
2237
2238         if (!tpl_log_manager_get_filtered_events_finish (TPL_LOG_MANAGER (manager),
2239                 result, &messages, &error)) {
2240                 DEBUG ("%s. Aborting.", error->message);
2241                 empathy_chat_view_append_event (chat->view,
2242                         _("Failed to retrieve recent logs"));
2243                 g_error_free (error);
2244                 goto out;
2245         }
2246
2247         for (l = messages; l; l = g_list_next (l)) {
2248                 EmpathyMessage *message;
2249                 g_assert (TPL_IS_EVENT (l->data));
2250
2251                 message = empathy_message_from_tpl_log_event (l->data);
2252                 g_object_unref (l->data);
2253
2254                 empathy_chat_view_append_message (chat->view, message);
2255                 g_object_unref (message);
2256         }
2257         g_list_free (messages);
2258
2259 out:
2260         /* in case of TPL error, skip backlog and show pending messages */
2261         priv->can_show_pending = TRUE;
2262         show_pending_messages (chat);
2263
2264         /* FIXME: See Bug#610994, we are forcing the ACK of the queue. See comments
2265          * about it in EmpathyChatPriv definition */
2266         priv->retrieving_backlogs = FALSE;
2267         empathy_chat_messages_read (chat);
2268
2269         /* Turn back on scrolling */
2270         empathy_chat_view_scroll (chat->view, TRUE);
2271 }
2272
2273 static void
2274 chat_add_logs (EmpathyChat *chat)
2275 {
2276         EmpathyChatPriv *priv = GET_PRIV (chat);
2277         TplEntity       *target;
2278
2279         if (!priv->id) {
2280                 return;
2281         }
2282
2283         /* Turn off scrolling temporarily */
2284         empathy_chat_view_scroll (chat->view, FALSE);
2285
2286         /* Add messages from last conversation */
2287         if (priv->handle_type == TP_HANDLE_TYPE_ROOM)
2288           target = tpl_entity_new_from_room_id (priv->id);
2289         else
2290           target = tpl_entity_new (priv->id, TPL_ENTITY_CONTACT, NULL, NULL);
2291
2292         priv->retrieving_backlogs = TRUE;
2293         tpl_log_manager_get_filtered_events_async (priv->log_manager,
2294                                                    priv->account,
2295                                                    target,
2296                                                    TPL_EVENT_MASK_TEXT,
2297                                                    5,
2298                                                    chat_log_filter,
2299                                                    chat,
2300                                                    got_filtered_messages_cb,
2301                                                    (gpointer) chat);
2302
2303         g_object_unref (target);
2304 }
2305
2306 static gint
2307 chat_contacts_completion_func (const gchar *s1,
2308                                const gchar *s2,
2309                                gsize        n)
2310 {
2311         gchar *tmp, *nick1, *nick2;
2312         gint   ret;
2313
2314         if (s1 == s2) {
2315                 return 0;
2316         }
2317         if (!s1 || !s2) {
2318                 return s1 ? -1 : +1;
2319         }
2320
2321         tmp = g_utf8_normalize (s1, -1, G_NORMALIZE_DEFAULT);
2322         nick1 = g_utf8_casefold (tmp, -1);
2323         g_free (tmp);
2324
2325         tmp = g_utf8_normalize (s2, -1, G_NORMALIZE_DEFAULT);
2326         nick2 = g_utf8_casefold (tmp, -1);
2327         g_free (tmp);
2328
2329         ret = strncmp (nick1, nick2, n);
2330
2331         g_free (nick1);
2332         g_free (nick2);
2333
2334         return ret;
2335 }
2336
2337 static gchar *
2338 build_part_message (guint           reason,
2339                     const gchar    *name,
2340                     EmpathyContact *actor,
2341                     const gchar    *message)
2342 {
2343         GString *s = g_string_new ("");
2344         const gchar *actor_name = NULL;
2345
2346         if (actor != NULL) {
2347                 actor_name = empathy_contact_get_alias (actor);
2348         }
2349
2350         /* Having an actor only really makes sense for a few actions... */
2351         switch (reason) {
2352         case TP_CHANNEL_GROUP_CHANGE_REASON_OFFLINE:
2353                 g_string_append_printf (s, _("%s has disconnected"), name);
2354                 break;
2355         case TP_CHANNEL_GROUP_CHANGE_REASON_KICKED:
2356                 if (actor_name != NULL) {
2357                         /* translators: reverse the order of these arguments
2358                          * if the kicked should come before the kicker in your locale.
2359                          */
2360                         g_string_append_printf (s, _("%1$s was kicked by %2$s"),
2361                                 name, actor_name);
2362                 } else {
2363                         g_string_append_printf (s, _("%s was kicked"), name);
2364                 }
2365                 break;
2366         case TP_CHANNEL_GROUP_CHANGE_REASON_BANNED:
2367                 if (actor_name != NULL) {
2368                         /* translators: reverse the order of these arguments
2369                          * if the banned should come before the banner in your locale.
2370                          */
2371                         g_string_append_printf (s, _("%1$s was banned by %2$s"),
2372                                 name, actor_name);
2373                 } else {
2374                         g_string_append_printf (s, _("%s was banned"), name);
2375                 }
2376                 break;
2377         default:
2378                 g_string_append_printf (s, _("%s has left the room"), name);
2379         }
2380
2381         if (!EMP_STR_EMPTY (message)) {
2382                 /* Note to translators: this string is appended to
2383                  * notifications like "foo has left the room", with the message
2384                  * given by the user living the room. If this poses a problem,
2385                  * please let us know. :-)
2386                  */
2387                 g_string_append_printf (s, _(" (%s)"), message);
2388         }
2389
2390         return g_string_free (s, FALSE);
2391 }
2392
2393 static void
2394 chat_members_changed_cb (EmpathyTpChat  *tp_chat,
2395                          EmpathyContact *contact,
2396                          EmpathyContact *actor,
2397                          guint           reason,
2398                          gchar          *message,
2399                          gboolean        is_member,
2400                          EmpathyChat    *chat)
2401 {
2402         EmpathyChatPriv *priv = GET_PRIV (chat);
2403         const gchar *name = empathy_contact_get_alias (contact);
2404         gchar *str;
2405
2406         g_return_if_fail (TP_CHANNEL_GROUP_CHANGE_REASON_RENAMED != reason);
2407
2408         if (priv->block_events_timeout_id != 0)
2409                 return;
2410
2411         if (is_member) {
2412                 str = g_strdup_printf (_("%s has joined the room"),
2413                                        name);
2414         } else {
2415                 str = build_part_message (reason, name, actor, message);
2416         }
2417
2418         empathy_chat_view_append_event (chat->view, str);
2419         g_free (str);
2420 }
2421
2422 static void
2423 chat_member_renamed_cb (EmpathyTpChat  *tp_chat,
2424                          EmpathyContact *old_contact,
2425                          EmpathyContact *new_contact,
2426                          guint           reason,
2427                          gchar          *message,
2428                          EmpathyChat    *chat)
2429 {
2430         EmpathyChatPriv *priv = GET_PRIV (chat);
2431
2432         g_return_if_fail (TP_CHANNEL_GROUP_CHANGE_REASON_RENAMED == reason);
2433
2434         if (priv->block_events_timeout_id == 0) {
2435                 gchar *str;
2436
2437                 str = g_strdup_printf (_("%s is now known as %s"),
2438                                        empathy_contact_get_alias (old_contact),
2439                                        empathy_contact_get_alias (new_contact));
2440                 empathy_chat_view_append_event (chat->view, str);
2441                 g_free (str);
2442         }
2443
2444 }
2445
2446 static gboolean
2447 chat_reset_size_request (gpointer widget)
2448 {
2449         gtk_widget_set_size_request (widget, -1, -1);
2450
2451         return FALSE;
2452 }
2453
2454 static void
2455 chat_update_contacts_visibility (EmpathyChat *chat,
2456                          gboolean show)
2457 {
2458         EmpathyChatPriv *priv = GET_PRIV (chat);
2459         GtkAllocation allocation;
2460
2461         if (!priv->scrolled_window_contacts) {
2462                 return;
2463         }
2464
2465         if (priv->remote_contact != NULL) {
2466                 show = FALSE;
2467         }
2468
2469         if (show && priv->contact_list_view == NULL) {
2470                 EmpathyContactListStore *store;
2471                 gint                     min_width;
2472
2473                 /* We are adding the contact list to the chat, we don't want the
2474                  * chat view to become too small. If the chat view is already
2475                  * smaller than 250 make sure that size won't change. If the
2476                  * chat view is bigger the contact list will take some space on
2477                  * it but we make sure the chat view don't become smaller than
2478                  * 250. Relax the size request once the resize is done */
2479                 gtk_widget_get_allocation (priv->vbox_left, &allocation);
2480                 min_width = MIN (allocation.width, 250);
2481                 gtk_widget_set_size_request (priv->vbox_left, min_width, -1);
2482                 g_idle_add (chat_reset_size_request, priv->vbox_left);
2483
2484                 if (priv->contacts_width > 0) {
2485                         gtk_paned_set_position (GTK_PANED (priv->hpaned),
2486                                                 priv->contacts_width);
2487                 }
2488
2489                 store = empathy_contact_list_store_new (
2490                                 EMPATHY_CONTACT_LIST (priv->tp_chat));
2491                 empathy_contact_list_store_set_show_groups (
2492                                 EMPATHY_CONTACT_LIST_STORE (store), FALSE);
2493
2494                 priv->contact_list_view = GTK_WIDGET (empathy_contact_list_view_new (store,
2495                         EMPATHY_CONTACT_LIST_FEATURE_CONTACT_TOOLTIP,
2496                         EMPATHY_CONTACT_FEATURE_CHAT |
2497                         EMPATHY_CONTACT_FEATURE_CALL |
2498                         EMPATHY_CONTACT_FEATURE_LOG |
2499                         EMPATHY_CONTACT_FEATURE_INFO));
2500                 gtk_container_add (GTK_CONTAINER (priv->scrolled_window_contacts),
2501                                    priv->contact_list_view);
2502                 gtk_widget_show (priv->contact_list_view);
2503                 gtk_widget_show (priv->scrolled_window_contacts);
2504                 g_object_unref (store);
2505         } else if (!show) {
2506                 priv->contacts_width = gtk_paned_get_position (GTK_PANED (priv->hpaned));
2507                 gtk_widget_hide (priv->scrolled_window_contacts);
2508                 if (priv->contact_list_view != NULL) {
2509                         gtk_widget_destroy (priv->contact_list_view);
2510                         priv->contact_list_view = NULL;
2511                 }
2512         }
2513 }
2514
2515 void
2516 empathy_chat_set_show_contacts (EmpathyChat *chat,
2517                                 gboolean     show)
2518 {
2519         EmpathyChatPriv *priv = GET_PRIV (chat);
2520
2521         priv->show_contacts = show;
2522
2523         chat_update_contacts_visibility (chat, show);
2524
2525         g_object_notify (G_OBJECT (chat), "show-contacts");
2526 }
2527
2528 static void
2529 chat_remote_contact_changed_cb (EmpathyChat *chat)
2530 {
2531         EmpathyChatPriv *priv = GET_PRIV (chat);
2532
2533         if (priv->remote_contact != NULL) {
2534                 g_object_unref (priv->remote_contact);
2535                 priv->remote_contact = NULL;
2536         }
2537
2538         g_free (priv->id);
2539
2540         priv->id = g_strdup (empathy_tp_chat_get_id (priv->tp_chat));
2541         priv->remote_contact = empathy_tp_chat_get_remote_contact (priv->tp_chat);
2542         if (priv->remote_contact != NULL) {
2543                 g_object_ref (priv->remote_contact);
2544                 priv->handle_type = TP_HANDLE_TYPE_CONTACT;
2545         }
2546         else if (priv->tp_chat != NULL) {
2547                 TpChannel *channel;
2548
2549                 channel = empathy_tp_chat_get_channel (priv->tp_chat);
2550                 g_object_get (channel, "handle-type", &priv->handle_type, NULL);
2551         }
2552
2553         chat_update_contacts_visibility (chat, priv->show_contacts);
2554
2555         g_object_notify (G_OBJECT (chat), "remote-contact");
2556         g_object_notify (G_OBJECT (chat), "id");
2557 }
2558
2559 static void
2560 chat_destroy_cb (EmpathyTpChat *tp_chat,
2561                  EmpathyChat   *chat)
2562 {
2563         EmpathyChatPriv *priv;
2564
2565         priv = GET_PRIV (chat);
2566
2567         if (!priv->tp_chat) {
2568                 return;
2569         }
2570
2571         chat_composing_remove_timeout (chat);
2572         g_object_unref (priv->tp_chat);
2573         priv->tp_chat = NULL;
2574         g_object_notify (G_OBJECT (chat), "tp-chat");
2575
2576         empathy_chat_view_append_event (chat->view, _("Disconnected"));
2577         gtk_widget_set_sensitive (chat->input_text_view, FALSE);
2578
2579         chat_update_contacts_visibility (chat, FALSE);
2580 }
2581
2582 static gboolean
2583 update_misspelled_words (gpointer data)
2584 {
2585         EmpathyChat *chat = EMPATHY_CHAT (data);
2586         EmpathyChatPriv *priv = GET_PRIV (chat);
2587         GtkTextBuffer *buffer;
2588         GtkTextIter iter;
2589         gint length;
2590
2591         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
2592
2593         gtk_text_buffer_get_end_iter (buffer, &iter);
2594         length = gtk_text_iter_get_offset (&iter);
2595         chat_input_text_buffer_insert_text_cb (buffer, &iter,
2596                                                NULL, length, chat);
2597
2598         priv->update_misspelled_words_id = 0;
2599
2600         return FALSE;
2601 }
2602
2603 static void
2604 conf_spell_checking_cb (GSettings *gsettings_chat,
2605                         const gchar *key,
2606                         gpointer user_data)
2607 {
2608         EmpathyChat *chat = EMPATHY_CHAT (user_data);
2609         EmpathyChatPriv *priv = GET_PRIV (chat);
2610         gboolean spell_checker;
2611         GtkTextBuffer *buffer;
2612
2613         if (strcmp (key, EMPATHY_PREFS_CHAT_SPELL_CHECKER_ENABLED) != 0)
2614                 return;
2615
2616         spell_checker = g_settings_get_boolean (gsettings_chat,
2617                         EMPATHY_PREFS_CHAT_SPELL_CHECKER_ENABLED);
2618
2619         if (!empathy_spell_supported ()) {
2620                 spell_checker = FALSE;
2621         }
2622
2623         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
2624
2625         if (spell_checker == priv->spell_checking_enabled) {
2626                 if (spell_checker) {
2627                         /* Possibly changed dictionaries,
2628                          * update misspelled words. Need to do so in idle
2629                          * so the spell checker is updated. */
2630                         priv->update_misspelled_words_id =
2631                                 g_idle_add (update_misspelled_words, chat);
2632                 }
2633
2634                 return;
2635         }
2636
2637         if (spell_checker) {
2638                 GtkTextIter iter;
2639
2640                 priv->notify_cursor_position_id = tp_g_signal_connect_object  (
2641                                 buffer, "notify::cursor-position",
2642                                 G_CALLBACK (chat_input_text_buffer_notify_cursor_position_cb),
2643                                 chat, 0);
2644                 priv->insert_text_id = tp_g_signal_connect_object  (
2645                                 buffer, "insert-text",
2646                                 G_CALLBACK (chat_input_text_buffer_insert_text_cb),
2647                                 chat, G_CONNECT_AFTER);
2648                 priv->delete_range_id = tp_g_signal_connect_object  (
2649                                 buffer, "delete-range",
2650                                 G_CALLBACK (chat_input_text_buffer_delete_range_cb),
2651                                 chat, G_CONNECT_AFTER);
2652
2653                 gtk_text_buffer_create_tag (buffer, "misspelled",
2654                                             "underline", PANGO_UNDERLINE_ERROR,
2655                                             NULL);
2656
2657                 gtk_text_buffer_get_iter_at_mark (buffer, &iter,
2658                                                   gtk_text_buffer_get_insert (buffer));
2659                 gtk_text_buffer_create_mark (buffer, "previous-cursor-position",
2660                                              &iter, TRUE);
2661
2662                 /* Mark misspelled words in the existing buffer.
2663                  * Need to do so in idle so the spell checker is updated. */
2664                 priv->update_misspelled_words_id =
2665                         g_idle_add (update_misspelled_words, chat);
2666         } else {
2667                 GtkTextTagTable *table;
2668                 GtkTextTag *tag;
2669
2670                 g_signal_handler_disconnect (buffer, priv->notify_cursor_position_id);
2671                 priv->notify_cursor_position_id = 0;
2672                 g_signal_handler_disconnect (buffer, priv->insert_text_id);
2673                 priv->insert_text_id = 0;
2674                 g_signal_handler_disconnect (buffer, priv->delete_range_id);
2675                 priv->delete_range_id = 0;
2676
2677                 table = gtk_text_buffer_get_tag_table (buffer);
2678                 tag = gtk_text_tag_table_lookup (table, "misspelled");
2679                 gtk_text_tag_table_remove (table, tag);
2680
2681                 gtk_text_buffer_delete_mark_by_name (buffer,
2682                                                      "previous-cursor-position");
2683         }
2684
2685         priv->spell_checking_enabled = spell_checker;
2686 }
2687
2688 static gboolean
2689 save_paned_pos_timeout (gpointer data)
2690 {
2691         EmpathyChat *self = data;
2692         gint hpaned_pos;
2693
2694         hpaned_pos = gtk_paned_get_position (GTK_PANED (self->priv->hpaned));
2695
2696         g_settings_set_int (self->priv->gsettings_ui,
2697                             EMPATHY_PREFS_UI_CHAT_WINDOW_PANED_POS,
2698                             hpaned_pos);
2699
2700         return FALSE;
2701 }
2702
2703 static gboolean
2704 chat_hpaned_pos_changed_cb (GtkWidget* hpaned,
2705                 GParamSpec *spec,
2706                 gpointer user_data)
2707 {
2708         EmpathyChat *chat = EMPATHY_CHAT (user_data);
2709
2710         if (chat->priv->save_paned_pos_id != 0)
2711                 g_source_remove (chat->priv->save_paned_pos_id);
2712
2713         chat->priv->save_paned_pos_id = g_timeout_add_seconds (1,
2714                 save_paned_pos_timeout, chat);
2715
2716         return TRUE;
2717 }
2718
2719 static void
2720 chat_create_ui (EmpathyChat *chat)
2721 {
2722         EmpathyChatPriv *priv = GET_PRIV (chat);
2723         GtkBuilder      *gui;
2724         GList           *list = NULL;
2725         gchar           *filename;
2726         GtkTextBuffer   *buffer;
2727         gint              paned_pos;
2728         EmpathyThemeManager *theme_mgr;
2729
2730         filename = empathy_file_lookup ("empathy-chat.ui",
2731                                         "libempathy-gtk");
2732         gui = empathy_builder_get_file (filename,
2733                                         "chat_widget", &priv->widget,
2734                                         "hpaned", &priv->hpaned,
2735                                         "vbox_left", &priv->vbox_left,
2736                                         "scrolled_window_chat", &priv->scrolled_window_chat,
2737                                         "scrolled_window_input", &priv->scrolled_window_input,
2738                                         "hbox_topic", &priv->hbox_topic,
2739                                         "expander_topic", &priv->expander_topic,
2740                                         "label_topic", &priv->label_topic,
2741                                         "scrolled_window_contacts", &priv->scrolled_window_contacts,
2742                                         "info_bar_vbox", &priv->info_bar_vbox,
2743                                         NULL);
2744
2745         empathy_builder_connect (gui, chat,
2746                 "expander_topic", "notify::expanded", chat_topic_expander_activate_cb,
2747                 "label_topic", "size-allocate", chat_topic_label_size_allocate_cb,
2748                 NULL);
2749
2750         g_free (filename);
2751
2752         /* Add message view. */
2753         theme_mgr = empathy_theme_manager_dup_singleton ();
2754         chat->view = empathy_theme_manager_create_view (theme_mgr);
2755         g_object_unref (theme_mgr);
2756         /* If this is a GtkTextView, it's set as a drag destination for text/plain
2757            and other types, even though it's non-editable and doesn't accept any
2758            drags.  This steals drag motion for anything inside the scrollbars,
2759            making drag destinations on chat windows far less useful.
2760          */
2761         gtk_drag_dest_unset (GTK_WIDGET (chat->view));
2762         g_signal_connect (chat->view, "focus_in_event",
2763                           G_CALLBACK (chat_text_view_focus_in_event_cb),
2764                           chat);
2765         gtk_container_add (GTK_CONTAINER (priv->scrolled_window_chat),
2766                            GTK_WIDGET (chat->view));
2767         gtk_widget_show (GTK_WIDGET (chat->view));
2768
2769         /* Add input GtkTextView */
2770         chat->input_text_view = empathy_input_text_view_new ();
2771         g_signal_connect (chat->input_text_view, "notify::has-focus",
2772                           G_CALLBACK (chat_input_has_focus_notify_cb),
2773                           chat);
2774         g_signal_connect (chat->input_text_view, "key-press-event",
2775                           G_CALLBACK (chat_input_key_press_event_cb),
2776                           chat);
2777         g_signal_connect (chat->input_text_view, "realize",
2778                           G_CALLBACK (chat_input_realize_cb),
2779                           chat);
2780         g_signal_connect (chat->input_text_view, "populate-popup",
2781                           G_CALLBACK (chat_input_populate_popup_cb),
2782                           chat);
2783         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
2784         tp_g_signal_connect_object  (buffer, "changed",
2785                           G_CALLBACK (chat_input_text_buffer_changed_cb),
2786                           chat, 0);
2787         tp_g_signal_connect_object (priv->gsettings_chat,
2788                         "changed::" EMPATHY_PREFS_CHAT_SPELL_CHECKER_ENABLED,
2789                         G_CALLBACK (conf_spell_checking_cb), chat, 0);
2790         conf_spell_checking_cb (priv->gsettings_chat,
2791                                 EMPATHY_PREFS_CHAT_SPELL_CHECKER_ENABLED, chat);
2792         gtk_container_add (GTK_CONTAINER (priv->scrolled_window_input),
2793                            chat->input_text_view);
2794         gtk_widget_show (chat->input_text_view);
2795
2796         /* Add the (invisible) search bar */
2797         priv->search_bar = empathy_search_bar_new (chat->view);
2798         gtk_box_pack_start (GTK_BOX(priv->vbox_left),
2799                             priv->search_bar,
2800                             FALSE, FALSE, 0);
2801         gtk_box_reorder_child (GTK_BOX(priv->vbox_left), priv->search_bar, 1);
2802
2803         /* Initialy hide the topic, will be shown if not empty */
2804         gtk_widget_hide (priv->hbox_topic);
2805
2806         g_signal_connect (priv->hpaned, "notify::position",
2807                           G_CALLBACK (chat_hpaned_pos_changed_cb),
2808                           chat);
2809
2810         /* Load the paned position */
2811         paned_pos = g_settings_get_int (priv->gsettings_ui,
2812                         EMPATHY_PREFS_UI_CHAT_WINDOW_PANED_POS);
2813         if (paned_pos != 0)
2814                 gtk_paned_set_position (GTK_PANED(priv->hpaned), paned_pos);
2815
2816         /* Set widget focus order */
2817         list = g_list_append (NULL, priv->search_bar);
2818         list = g_list_append (list, priv->scrolled_window_input);
2819         gtk_container_set_focus_chain (GTK_CONTAINER (priv->vbox_left), list);
2820         g_list_free (list);
2821
2822         list = g_list_append (NULL, priv->vbox_left);
2823         list = g_list_append (list, priv->scrolled_window_contacts);
2824         gtk_container_set_focus_chain (GTK_CONTAINER (priv->hpaned), list);
2825         g_list_free (list);
2826
2827         list = g_list_append (NULL, priv->hpaned);
2828         list = g_list_append (list, priv->hbox_topic);
2829         gtk_container_set_focus_chain (GTK_CONTAINER (priv->widget), list);
2830         g_list_free (list);
2831
2832         /* Add the main widget in the chat widget */
2833         gtk_container_add (GTK_CONTAINER (chat), priv->widget);
2834         g_object_unref (gui);
2835 }
2836
2837 static void
2838 chat_size_allocate (GtkWidget     *widget,
2839                     GtkAllocation *allocation)
2840 {
2841   GtkBin *bin = GTK_BIN (widget);
2842   GtkAllocation child_allocation;
2843   GtkWidget *child;
2844
2845   gtk_widget_set_allocation (widget, allocation);
2846
2847   child = gtk_bin_get_child (bin);
2848
2849   if (child && gtk_widget_get_visible (child))
2850     {
2851       child_allocation.x = allocation->x + gtk_container_get_border_width (GTK_CONTAINER (widget));
2852       child_allocation.y = allocation->y + gtk_container_get_border_width (GTK_CONTAINER (widget));
2853       child_allocation.width = MAX (allocation->width - gtk_container_get_border_width (GTK_CONTAINER (widget)) * 2, 0);
2854       child_allocation.height = MAX (allocation->height - gtk_container_get_border_width (GTK_CONTAINER (widget)) * 2, 0);
2855
2856       gtk_widget_size_allocate (child, &child_allocation);
2857     }
2858 }
2859
2860 static void
2861 chat_finalize (GObject *object)
2862 {
2863         EmpathyChat     *chat;
2864         EmpathyChatPriv *priv;
2865
2866         chat = EMPATHY_CHAT (object);
2867         priv = GET_PRIV (chat);
2868
2869         DEBUG ("Finalized: %p", object);
2870
2871         if (priv->update_misspelled_words_id != 0)
2872                 g_source_remove (priv->update_misspelled_words_id);
2873
2874         if (priv->save_paned_pos_id != 0)
2875                 g_source_remove (priv->save_paned_pos_id);
2876
2877         g_object_unref (priv->gsettings_chat);
2878         g_object_unref (priv->gsettings_ui);
2879
2880         g_list_foreach (priv->input_history, (GFunc) chat_input_history_entry_free, NULL);
2881         g_list_free (priv->input_history);
2882
2883         g_list_foreach (priv->compositors, (GFunc) g_object_unref, NULL);
2884         g_list_free (priv->compositors);
2885
2886         chat_composing_remove_timeout (chat);
2887
2888         g_object_unref (priv->account_manager);
2889         g_object_unref (priv->log_manager);
2890
2891         if (priv->tp_chat) {
2892                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
2893                         chat_destroy_cb, chat);
2894                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
2895                         chat_message_received_cb, chat);
2896                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
2897                         chat_pending_message_removed_cb, chat);
2898                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
2899                         chat_send_error_cb, chat);
2900                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
2901                         chat_state_changed_cb, chat);
2902                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
2903                         chat_property_changed_cb, chat);
2904                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
2905                         chat_members_changed_cb, chat);
2906                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
2907                         chat_remote_contact_changed_cb, chat);
2908                 empathy_tp_chat_leave (priv->tp_chat, "");
2909                 g_object_unref (priv->tp_chat);
2910         }
2911         if (priv->account) {
2912                 g_object_unref (priv->account);
2913         }
2914         if (priv->remote_contact) {
2915                 g_object_unref (priv->remote_contact);
2916         }
2917
2918         if (priv->block_events_timeout_id) {
2919                 g_source_remove (priv->block_events_timeout_id);
2920         }
2921
2922         g_free (priv->id);
2923         g_free (priv->name);
2924         g_free (priv->subject);
2925         g_completion_free (priv->completion);
2926
2927         G_OBJECT_CLASS (empathy_chat_parent_class)->finalize (object);
2928 }
2929
2930 static void
2931 chat_constructed (GObject *object)
2932 {
2933         EmpathyChat *chat = EMPATHY_CHAT (object);
2934         EmpathyChatPriv *priv = GET_PRIV (chat);
2935
2936         if (priv->handle_type != TP_HANDLE_TYPE_ROOM) {
2937                 /* First display logs from the logger and then display pending messages */
2938                 chat_add_logs (chat);
2939         }
2940          else {
2941                 /* Just display pending messages for rooms */
2942                 priv->can_show_pending = TRUE;
2943                 show_pending_messages (chat);
2944         }
2945 }
2946
2947 static void
2948 empathy_chat_class_init (EmpathyChatClass *klass)
2949 {
2950         GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
2951         GObjectClass   *object_class = G_OBJECT_CLASS (klass);
2952
2953         object_class->finalize = chat_finalize;
2954         object_class->get_property = chat_get_property;
2955         object_class->set_property = chat_set_property;
2956         object_class->constructed = chat_constructed;
2957
2958         widget_class->size_allocate = chat_size_allocate;
2959
2960         g_object_class_install_property (object_class,
2961                                          PROP_TP_CHAT,
2962                                          g_param_spec_object ("tp-chat",
2963                                                               "Empathy tp chat",
2964                                                               "The tp chat object",
2965                                                               EMPATHY_TYPE_TP_CHAT,
2966                                                               G_PARAM_CONSTRUCT |
2967                                                               G_PARAM_READWRITE |
2968                                                               G_PARAM_STATIC_STRINGS));
2969         g_object_class_install_property (object_class,
2970                                          PROP_ACCOUNT,
2971                                          g_param_spec_object ("account",
2972                                                               "Account of the chat",
2973                                                               "The account of the chat",
2974                                                               TP_TYPE_ACCOUNT,
2975                                                               G_PARAM_READABLE |
2976                                                               G_PARAM_STATIC_STRINGS));
2977         g_object_class_install_property (object_class,
2978                                          PROP_ID,
2979                                          g_param_spec_string ("id",
2980                                                               "Chat's id",
2981                                                               "The id of the chat",
2982                                                               NULL,
2983                                                               G_PARAM_READABLE |
2984                                                               G_PARAM_STATIC_STRINGS));
2985         g_object_class_install_property (object_class,
2986                                          PROP_NAME,
2987                                          g_param_spec_string ("name",
2988                                                               "Chat's name",
2989                                                               "The name of the chat",
2990                                                               NULL,
2991                                                               G_PARAM_READABLE |
2992                                                               G_PARAM_STATIC_STRINGS));
2993         g_object_class_install_property (object_class,
2994                                          PROP_SUBJECT,
2995                                          g_param_spec_string ("subject",
2996                                                               "Chat's subject",
2997                                                               "The subject or topic of the chat",
2998                                                               NULL,
2999                                                               G_PARAM_READABLE |
3000                                                               G_PARAM_STATIC_STRINGS));
3001         g_object_class_install_property (object_class,
3002                                          PROP_REMOTE_CONTACT,
3003                                          g_param_spec_object ("remote-contact",
3004                                                               "The remote contact",
3005                                                               "The remote contact is any",
3006                                                               EMPATHY_TYPE_CONTACT,
3007                                                               G_PARAM_READABLE |
3008                                                               G_PARAM_STATIC_STRINGS));
3009         g_object_class_install_property (object_class,
3010                                          PROP_SHOW_CONTACTS,
3011                                          g_param_spec_boolean ("show-contacts",
3012                                                                "Contacts' visibility",
3013                                                                "The visibility of the contacts' list",
3014                                                                TRUE,
3015                                                                G_PARAM_READWRITE |
3016                                                                G_PARAM_STATIC_STRINGS));
3017
3018         g_object_class_install_property (object_class,
3019                                          PROP_SMS_CHANNEL,
3020                                          g_param_spec_boolean ("sms-channel",
3021                                                                "SMS Channel",
3022                                                                "TRUE if this channel is for sending SMSes",
3023                                                                FALSE,
3024                                                                G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
3025
3026         g_object_class_install_property (object_class,
3027                                          PROP_N_MESSAGES_SENDING,
3028                                          g_param_spec_uint ("n-messages-sending",
3029                                                             "Num Messages Sending",
3030                                                             "The number of messages being sent",
3031                                                             0, G_MAXUINT, 0,
3032                                                             G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
3033
3034         g_object_class_install_property (object_class,
3035                                          PROP_NB_UNREAD_MESSAGES,
3036                                          g_param_spec_uint ("nb-unread-messages",
3037                                                             "Num Unread Messages",
3038                                                             "The number of unread messages",
3039                                                             0, G_MAXUINT, 0,
3040                                                             G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
3041
3042         signals[COMPOSING] =
3043                 g_signal_new ("composing",
3044                               G_OBJECT_CLASS_TYPE (object_class),
3045                               G_SIGNAL_RUN_LAST,
3046                               0,
3047                               NULL, NULL,
3048                               g_cclosure_marshal_VOID__BOOLEAN,
3049                               G_TYPE_NONE,
3050                               1, G_TYPE_BOOLEAN);
3051
3052         signals[NEW_MESSAGE] =
3053                 g_signal_new ("new-message",
3054                               G_OBJECT_CLASS_TYPE (object_class),
3055                               G_SIGNAL_RUN_LAST,
3056                               0,
3057                               NULL, NULL,
3058                               _empathy_gtk_marshal_VOID__OBJECT_BOOLEAN,
3059                               G_TYPE_NONE,
3060                               2, EMPATHY_TYPE_MESSAGE, G_TYPE_BOOLEAN);
3061
3062         g_type_class_add_private (object_class, sizeof (EmpathyChatPriv));
3063 }
3064
3065 static gboolean
3066 chat_block_events_timeout_cb (gpointer data)
3067 {
3068         EmpathyChatPriv *priv = GET_PRIV (data);
3069
3070         priv->block_events_timeout_id = 0;
3071
3072         return FALSE;
3073 }
3074
3075 static void
3076 account_manager_prepared_cb (GObject *source_object,
3077                              GAsyncResult *result,
3078                              gpointer user_data)
3079 {
3080         GList *accounts, *l;
3081         TpAccountManager *account_manager = TP_ACCOUNT_MANAGER (source_object);
3082         EmpathyChat *chat = user_data;
3083         GError *error = NULL;
3084
3085         if (!tp_account_manager_prepare_finish (account_manager, result, &error)) {
3086                 DEBUG ("Failed to prepare the account manager: %s", error->message);
3087                 g_error_free (error);
3088                 return;
3089         }
3090
3091         accounts = tp_account_manager_get_valid_accounts (account_manager);
3092
3093         for (l = accounts; l != NULL; l = l->next) {
3094                 TpAccount *account = l->data;
3095                 tp_g_signal_connect_object (account, "status-changed",
3096                                              G_CALLBACK (chat_new_connection_cb),
3097                                              chat, 0);
3098         }
3099
3100         g_list_free (accounts);
3101 }
3102
3103 static void
3104 empathy_chat_init (EmpathyChat *chat)
3105 {
3106         EmpathyChatPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (chat,
3107                 EMPATHY_TYPE_CHAT, EmpathyChatPriv);
3108
3109         chat->priv = priv;
3110         priv->log_manager = tpl_log_manager_dup_singleton ();
3111         priv->gsettings_chat = g_settings_new (EMPATHY_PREFS_CHAT_SCHEMA);
3112         priv->gsettings_ui = g_settings_new (EMPATHY_PREFS_UI_SCHEMA);
3113
3114         priv->contacts_width = -1;
3115         priv->input_history = NULL;
3116         priv->input_history_current = NULL;
3117         priv->account_manager = tp_account_manager_dup ();
3118
3119         tp_account_manager_prepare_async (priv->account_manager, NULL,
3120                                           account_manager_prepared_cb, chat);
3121
3122         priv->show_contacts = g_settings_get_boolean (priv->gsettings_chat,
3123                         EMPATHY_PREFS_CHAT_SHOW_CONTACTS_IN_ROOMS);
3124
3125         /* Block events for some time to avoid having "has come online" or
3126          * "joined" messages. */
3127         priv->block_events_timeout_id =
3128                 g_timeout_add_seconds (1, chat_block_events_timeout_cb, chat);
3129
3130         /* Add nick name completion */
3131         priv->completion = g_completion_new ((GCompletionFunc) empathy_contact_get_alias);
3132         g_completion_set_compare (priv->completion, chat_contacts_completion_func);
3133
3134         chat_create_ui (chat);
3135 }
3136
3137 EmpathyChat *
3138 empathy_chat_new (EmpathyTpChat *tp_chat)
3139 {
3140         return g_object_new (EMPATHY_TYPE_CHAT, "tp-chat", tp_chat, NULL);
3141 }
3142
3143 EmpathyTpChat *
3144 empathy_chat_get_tp_chat (EmpathyChat *chat)
3145 {
3146         EmpathyChatPriv *priv = GET_PRIV (chat);
3147
3148         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
3149
3150         return priv->tp_chat;
3151 }
3152
3153 typedef struct
3154 {
3155         EmpathyChat *self;
3156         GtkWidget *info_bar;
3157         gulong response_id;
3158         GtkWidget *button;
3159         GtkWidget *label;
3160         GtkWidget *entry;
3161         GtkWidget *spinner;
3162         gchar *password;
3163 } PasswordData;
3164
3165 static void
3166 passwd_remember_button_cb (GtkButton *button,
3167                           PasswordData *data)
3168 {
3169         gtk_info_bar_response (GTK_INFO_BAR (data->info_bar), GTK_RESPONSE_OK);
3170 }
3171
3172 static void
3173 passwd_not_now_button_cb (GtkButton *button,
3174                           PasswordData *data)
3175 {
3176         gtk_info_bar_response (GTK_INFO_BAR (data->info_bar), GTK_RESPONSE_NO);
3177 }
3178
3179 static void
3180 remember_password_infobar_response_cb (GtkWidget *info_bar,
3181                                        gint response_id,
3182                                        PasswordData *data)
3183 {
3184         EmpathyChatPriv *priv = GET_PRIV (data->self);
3185
3186         if (response_id == GTK_RESPONSE_OK) {
3187                 DEBUG ("Saving room password");
3188                 empathy_keyring_set_room_password_async (priv->account,
3189                                                          empathy_tp_chat_get_id (priv->tp_chat),
3190                                                          data->password,
3191                                                          NULL, NULL);
3192         }
3193
3194         gtk_widget_destroy (info_bar);
3195         g_free (data->password);
3196         g_slice_free (PasswordData, data);
3197 }
3198
3199 static void
3200 chat_prompt_to_save_password (EmpathyChat *self,
3201                               PasswordData *data)
3202 {
3203         GtkWidget *content_area;
3204         GtkWidget *hbox;
3205         GtkWidget *image;
3206         GtkWidget *label;
3207         GtkWidget *alig;
3208         GtkWidget *button;
3209
3210         /* save the password in case it needs to be saved */
3211         data->password = g_strdup (gtk_entry_get_text (GTK_ENTRY (data->entry)));
3212
3213         /* Remove all previous widgets */
3214         content_area = gtk_info_bar_get_content_area (GTK_INFO_BAR (data->info_bar));
3215         gtk_container_forall (GTK_CONTAINER (content_area),
3216                               (GtkCallback) gtk_widget_destroy, NULL);
3217         data->button = NULL;
3218         data->label = NULL;
3219         data->entry = NULL;
3220         data->spinner = NULL;
3221
3222         gtk_info_bar_set_message_type (GTK_INFO_BAR (data->info_bar),
3223                                        GTK_MESSAGE_QUESTION);
3224
3225         hbox = gtk_hbox_new (FALSE, 5);
3226         gtk_box_pack_start (GTK_BOX (content_area), hbox, TRUE, TRUE, 0);
3227
3228         /* Add image */
3229         image = gtk_image_new_from_stock (GTK_STOCK_DIALOG_AUTHENTICATION,
3230                                           GTK_ICON_SIZE_DIALOG);
3231         gtk_box_pack_start (GTK_BOX (hbox), image, FALSE, FALSE, 0);
3232
3233         /* Add message */
3234         label = gtk_label_new (_("Would you like to store this password?"));
3235         gtk_box_pack_start (GTK_BOX (hbox), label, TRUE, TRUE, 0);
3236
3237         /* Add 'Remember' button */
3238         alig = gtk_alignment_new (0, 0.5, 1, 0);
3239
3240         button = gtk_button_new_with_label (_("Remember"));
3241         gtk_container_add (GTK_CONTAINER (alig), button);
3242         gtk_box_pack_start (GTK_BOX (hbox), alig, FALSE, FALSE, 0);
3243
3244         g_signal_connect (button, "clicked", G_CALLBACK (passwd_remember_button_cb),
3245                           data);
3246
3247         /* Add 'Not now' button */
3248         alig = gtk_alignment_new (0, 0.5, 1, 0);
3249
3250         button = gtk_button_new_with_label (_("Not now"));
3251         gtk_container_add (GTK_CONTAINER (alig), button);
3252         gtk_box_pack_start (GTK_BOX (hbox), alig, FALSE, FALSE, 0);
3253
3254         g_signal_connect (button, "clicked", G_CALLBACK (passwd_not_now_button_cb),
3255                           data);
3256
3257         /* go! */
3258         g_signal_handler_disconnect (data->info_bar, data->response_id);
3259         g_signal_connect (data->info_bar, "response",
3260                           G_CALLBACK (remember_password_infobar_response_cb), data);
3261
3262         gtk_widget_show_all (data->info_bar);
3263 }
3264
3265 static void
3266 provide_password_cb (GObject *tp_chat,
3267                      GAsyncResult *res,
3268                      gpointer user_data)
3269 {
3270         PasswordData *data = user_data;
3271         EmpathyChat *self = data->self;
3272         EmpathyChatPriv *priv = GET_PRIV (self);
3273         GError *error = NULL;
3274
3275         if (!empathy_tp_chat_provide_password_finish (EMPATHY_TP_CHAT (tp_chat), res,
3276                                                       &error)) {
3277                 DEBUG ("error: %s", error->message);
3278                 /* FIXME: what should we do if that's another error? Close the channel?
3279                  * Display the raw D-Bus error to the user isn't very useful */
3280                 if (g_error_matches (error, TP_ERRORS, TP_ERROR_AUTHENTICATION_FAILED)) {
3281                         /* entry */
3282                         gtk_entry_set_text (GTK_ENTRY (data->entry), "");
3283                         gtk_widget_set_sensitive (data->entry, TRUE);
3284                         gtk_widget_grab_focus (data->entry);
3285
3286                         /* info bar */
3287                         gtk_info_bar_set_message_type (
3288                             GTK_INFO_BAR (data->info_bar),
3289                             GTK_MESSAGE_ERROR);
3290
3291                         /* button */
3292                         gtk_widget_set_sensitive (data->button, TRUE);
3293                         gtk_button_set_label (GTK_BUTTON (data->button),
3294                             _("Retry"));
3295
3296                         /* label */
3297                         gtk_label_set_text (GTK_LABEL (data->label),
3298                             _("Wrong password; please try again:"));
3299
3300                         /* spinner */
3301                         gtk_spinner_stop (GTK_SPINNER (data->spinner));
3302                         gtk_widget_hide (data->spinner);
3303                 }
3304                 g_error_free (error);
3305                 return;
3306         }
3307
3308         if (empathy_keyring_is_available ()) {
3309                 /* ask whether they want to save the password */
3310                 chat_prompt_to_save_password (self, data);
3311         } else {
3312                 /* Get rid of the password info bar finally */
3313                 gtk_widget_destroy (data->info_bar);
3314                 g_slice_free (PasswordData, data);
3315         }
3316
3317         /* Room joined */
3318         gtk_widget_set_sensitive (priv->hpaned, TRUE);
3319         gtk_widget_grab_focus (self->input_text_view);
3320 }
3321
3322 static void
3323 password_infobar_response_cb (GtkWidget *info_bar,
3324                               gint response_id,
3325                               PasswordData *data)
3326 {
3327         EmpathyChatPriv *priv = GET_PRIV (data->self);
3328         const gchar *password;
3329
3330         if (response_id != GTK_RESPONSE_OK) {
3331                 gtk_widget_destroy (info_bar);
3332                 g_slice_free (PasswordData, data);
3333                 return;
3334         }
3335
3336         password = gtk_entry_get_text (GTK_ENTRY (data->entry));
3337
3338         empathy_tp_chat_provide_password_async (priv->tp_chat, password,
3339                                                 provide_password_cb, data);
3340
3341         gtk_widget_set_sensitive (data->button, FALSE);
3342         gtk_widget_set_sensitive (data->entry, FALSE);
3343
3344         gtk_spinner_start (GTK_SPINNER (data->spinner));
3345         gtk_widget_show (data->spinner);
3346 }
3347
3348 static void
3349 password_entry_activate_cb (GtkWidget *entry,
3350                           PasswordData *data)
3351 {
3352         gtk_info_bar_response (GTK_INFO_BAR (data->info_bar), GTK_RESPONSE_OK);
3353 }
3354
3355 static void
3356 passwd_join_button_cb (GtkButton *button,
3357                           PasswordData *data)
3358 {
3359         gtk_info_bar_response (GTK_INFO_BAR (data->info_bar), GTK_RESPONSE_OK);
3360 }
3361
3362 static void
3363 clear_icon_released_cb (GtkEntry *entry,
3364                         GtkEntryIconPosition icon_pos,
3365                         GdkEvent *event,
3366                         PasswordData *data)
3367 {
3368         gtk_entry_set_text (entry, "");
3369 }
3370
3371 static void
3372 password_entry_changed_cb (GtkEditable *entry,
3373                            PasswordData *data)
3374 {
3375         const gchar *str;
3376
3377         str = gtk_entry_get_text (GTK_ENTRY (entry));
3378
3379         gtk_entry_set_icon_sensitive (GTK_ENTRY (entry),
3380             GTK_ENTRY_ICON_SECONDARY, !EMP_STR_EMPTY (str));
3381 }
3382
3383 static void
3384 display_password_info_bar (EmpathyChat *self)
3385 {
3386         EmpathyChatPriv *priv = GET_PRIV (self);
3387         GtkWidget *info_bar;
3388         GtkWidget *content_area;
3389         GtkWidget *hbox;
3390         GtkWidget *image;
3391         GtkWidget *label;
3392         GtkWidget *entry;
3393         GtkWidget *alig;
3394         GtkWidget *button;
3395         GtkWidget *spinner;
3396         PasswordData *data;
3397
3398         data = g_slice_new0 (PasswordData);
3399
3400         info_bar = gtk_info_bar_new ();
3401         gtk_info_bar_set_message_type (GTK_INFO_BAR (info_bar),
3402             GTK_MESSAGE_QUESTION);
3403
3404         content_area = gtk_info_bar_get_content_area (GTK_INFO_BAR (info_bar));
3405
3406         hbox = gtk_hbox_new (FALSE, 5);
3407         gtk_box_pack_start (GTK_BOX (content_area), hbox, TRUE, TRUE, 0);
3408
3409         /* Add image */
3410         image = gtk_image_new_from_stock (GTK_STOCK_DIALOG_AUTHENTICATION,
3411                                           GTK_ICON_SIZE_DIALOG);
3412         gtk_box_pack_start (GTK_BOX (hbox), image, FALSE, FALSE, 0);
3413
3414         /* Add message */
3415         label = gtk_label_new (_("This room is protected by a password:"));
3416         gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
3417
3418         /* Add password entry */
3419         entry = gtk_entry_new ();
3420         gtk_entry_set_visibility (GTK_ENTRY (entry), FALSE);
3421         gtk_box_pack_start (GTK_BOX (hbox), entry, TRUE, TRUE, 0);
3422
3423         gtk_entry_set_icon_from_stock (GTK_ENTRY (entry),
3424                                        GTK_ENTRY_ICON_SECONDARY, GTK_STOCK_CLEAR);
3425         gtk_entry_set_icon_sensitive (GTK_ENTRY (entry),
3426                                       GTK_ENTRY_ICON_SECONDARY, FALSE);
3427
3428         g_signal_connect (entry, "icon-release",
3429                           G_CALLBACK (clear_icon_released_cb), data);
3430         g_signal_connect (entry, "changed",
3431                           G_CALLBACK (password_entry_changed_cb), data);
3432
3433         g_signal_connect (entry, "activate",
3434                           G_CALLBACK (password_entry_activate_cb), data);
3435
3436         /* Focus the password entry once it's realized */
3437         g_signal_connect (entry, "realize", G_CALLBACK (gtk_widget_grab_focus), NULL);
3438
3439         /* Add 'Join' button */
3440         alig = gtk_alignment_new (0, 0.5, 1, 0);
3441
3442         button = gtk_button_new_with_label (_("Join"));
3443         gtk_container_add (GTK_CONTAINER (alig), button);
3444         gtk_box_pack_start (GTK_BOX (hbox), alig, FALSE, FALSE, 0);
3445
3446         g_signal_connect (button, "clicked", G_CALLBACK (passwd_join_button_cb),
3447                           data);
3448
3449         /* Add spinner */
3450         spinner = gtk_spinner_new ();
3451         gtk_box_pack_end (GTK_BOX (hbox), spinner, FALSE, FALSE, 0);
3452
3453         /* Save some data for messing around with later */
3454         data->self = self;
3455         data->info_bar = info_bar;
3456         data->button = button;
3457         data->label = label;
3458         data->entry = entry;
3459         data->spinner = spinner;
3460
3461         gtk_box_pack_start (GTK_BOX (priv->info_bar_vbox), info_bar,
3462                             TRUE, TRUE, 3);
3463         gtk_widget_show_all (hbox);
3464
3465         data->response_id = g_signal_connect (info_bar, "response",
3466                                               G_CALLBACK (password_infobar_response_cb), data);
3467
3468         gtk_widget_show_all (info_bar);
3469         /* ... but hide the spinner */
3470         gtk_widget_hide (spinner);
3471 }
3472
3473 static void
3474 provide_saved_password_cb (GObject *tp_chat,
3475                            GAsyncResult *res,
3476                            gpointer user_data)
3477 {
3478         EmpathyChat *self = user_data;
3479         EmpathyChatPriv *priv = GET_PRIV (self);
3480         GError *error = NULL;
3481
3482         if (!empathy_tp_chat_provide_password_finish (EMPATHY_TP_CHAT (tp_chat), res,
3483                                                       &error)) {
3484                 DEBUG ("error: %s", error->message);
3485                 /* FIXME: what should we do if that's another error? Close the channel?
3486                  * Display the raw D-Bus error to the user isn't very useful */
3487                 if (g_error_matches (error, TP_ERRORS, TP_ERROR_AUTHENTICATION_FAILED)) {
3488                         display_password_info_bar (self);
3489                         gtk_widget_set_sensitive (priv->hpaned, FALSE);
3490                 }
3491                 g_error_free (error);
3492                 return;
3493         }
3494
3495         /* Room joined */
3496         gtk_widget_set_sensitive (priv->hpaned, TRUE);
3497         gtk_widget_grab_focus (self->input_text_view);
3498 }
3499
3500 static void
3501 chat_room_got_password_cb (GObject *source,
3502                            GAsyncResult *result,
3503                            gpointer user_data)
3504 {
3505         EmpathyChat *self = user_data;
3506         EmpathyChatPriv *priv = GET_PRIV (self);
3507         const gchar *password;
3508         GError *error = NULL;
3509
3510         password = empathy_keyring_get_room_password_finish (priv->account,
3511             result, &error);
3512
3513         if (error != NULL) {
3514                 DEBUG ("Couldn't get room password: %s\n", error->message);
3515                 g_clear_error (&error);
3516
3517                 display_password_info_bar (self);
3518                 gtk_widget_set_sensitive (priv->hpaned, FALSE);
3519                 return;
3520         }
3521
3522         empathy_tp_chat_provide_password_async (priv->tp_chat, password,
3523                                                 provide_saved_password_cb, self);
3524 }
3525
3526 static void
3527 chat_password_needed_changed_cb (EmpathyChat *self)
3528 {
3529         EmpathyChatPriv *priv = GET_PRIV (self);
3530
3531         if (empathy_tp_chat_password_needed (priv->tp_chat)) {
3532                 empathy_keyring_get_room_password_async (priv->account,
3533                                                          empathy_tp_chat_get_id (priv->tp_chat),
3534                                                          chat_room_got_password_cb, self);
3535         }
3536 }
3537
3538 static void
3539 chat_sms_channel_changed_cb (EmpathyChat *self)
3540 {
3541         EmpathyChatPriv *priv = GET_PRIV (self);
3542
3543         priv->sms_channel = empathy_tp_chat_is_sms_channel (priv->tp_chat);
3544         g_object_notify (G_OBJECT (self), "sms-channel");
3545 }
3546
3547 static void
3548 chat_n_messages_sending_changed_cb (EmpathyChat *self)
3549 {
3550         g_object_notify (G_OBJECT (self), "n-messages-sending");
3551 }
3552
3553 void
3554 empathy_chat_set_tp_chat (EmpathyChat   *chat,
3555                           EmpathyTpChat *tp_chat)
3556 {
3557         EmpathyChatPriv *priv = GET_PRIV (chat);
3558         GPtrArray       *properties;
3559
3560         g_return_if_fail (EMPATHY_IS_CHAT (chat));
3561         g_return_if_fail (EMPATHY_IS_TP_CHAT (tp_chat));
3562         g_return_if_fail (empathy_tp_chat_is_ready (tp_chat));
3563
3564         if (priv->tp_chat) {
3565                 return;
3566         }
3567
3568         if (priv->account) {
3569                 g_object_unref (priv->account);
3570         }
3571
3572         priv->tp_chat = g_object_ref (tp_chat);
3573         priv->account = g_object_ref (empathy_tp_chat_get_account (priv->tp_chat));
3574
3575         g_signal_connect (tp_chat, "destroy",
3576                           G_CALLBACK (chat_destroy_cb),
3577                           chat);
3578         g_signal_connect (tp_chat, "message-received",
3579                           G_CALLBACK (chat_message_received_cb),
3580                           chat);
3581         g_signal_connect (tp_chat, "pending-message-removed",
3582                           G_CALLBACK (chat_pending_message_removed_cb),
3583                           chat);
3584         g_signal_connect (tp_chat, "send-error",
3585                           G_CALLBACK (chat_send_error_cb),
3586                           chat);
3587         g_signal_connect (tp_chat, "chat-state-changed",
3588                           G_CALLBACK (chat_state_changed_cb),
3589                           chat);
3590         g_signal_connect (tp_chat, "property-changed",
3591                           G_CALLBACK (chat_property_changed_cb),
3592                           chat);
3593         g_signal_connect (tp_chat, "members-changed",
3594                           G_CALLBACK (chat_members_changed_cb),
3595                           chat);
3596         g_signal_connect (tp_chat, "member-renamed",
3597                           G_CALLBACK (chat_member_renamed_cb),
3598                           chat);
3599         g_signal_connect_swapped (tp_chat, "notify::remote-contact",
3600                                   G_CALLBACK (chat_remote_contact_changed_cb),
3601                                   chat);
3602         g_signal_connect_swapped (tp_chat, "notify::password-needed",
3603                                   G_CALLBACK (chat_password_needed_changed_cb),
3604                                   chat);
3605         g_signal_connect_swapped (tp_chat, "notify::sms-channel",
3606                                   G_CALLBACK (chat_sms_channel_changed_cb),
3607                                   chat);
3608         g_signal_connect_swapped (tp_chat, "notify::n-messages-sending",
3609                                   G_CALLBACK (chat_n_messages_sending_changed_cb),
3610                                   chat);
3611
3612         /* Get initial value of properties */
3613         properties = empathy_tp_chat_get_properties (priv->tp_chat);
3614         if (properties != NULL) {
3615                 guint i;
3616
3617                 for (i = 0; i < properties->len; i++) {
3618                         EmpathyTpChatProperty *property;
3619
3620                         property = g_ptr_array_index (properties, i);
3621                         if (property->value == NULL)
3622                                 continue;
3623
3624                         chat_property_changed_cb (priv->tp_chat,
3625                                                   property->name,
3626                                                   property->value,
3627                                                   chat);
3628                 }
3629         }
3630
3631         chat_sms_channel_changed_cb (chat);
3632         chat_remote_contact_changed_cb (chat);
3633
3634         if (chat->input_text_view) {
3635                 gtk_widget_set_sensitive (chat->input_text_view, TRUE);
3636                 if (priv->block_events_timeout_id == 0) {
3637                         empathy_chat_view_append_event (chat->view, _("Connected"));
3638                 }
3639         }
3640
3641         g_object_notify (G_OBJECT (chat), "tp-chat");
3642         g_object_notify (G_OBJECT (chat), "id");
3643         g_object_notify (G_OBJECT (chat), "account");
3644
3645         /* This is a noop when tp-chat is set at object construction time and causes
3646          * the pending messages to be show when it's set on the object after it has
3647          * been created */
3648         show_pending_messages (chat);
3649
3650         /* check if a password is needed */
3651         chat_password_needed_changed_cb (chat);
3652 }
3653
3654 TpAccount *
3655 empathy_chat_get_account (EmpathyChat *chat)
3656 {
3657         EmpathyChatPriv *priv = GET_PRIV (chat);
3658
3659         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
3660
3661         return priv->account;
3662 }
3663
3664 const gchar *
3665 empathy_chat_get_id (EmpathyChat *chat)
3666 {
3667         EmpathyChatPriv *priv = GET_PRIV (chat);
3668
3669         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
3670
3671         return priv->id;
3672 }
3673
3674 gchar *
3675 empathy_chat_dup_name (EmpathyChat *chat)
3676 {
3677         EmpathyChatPriv *priv = GET_PRIV (chat);
3678         const gchar *ret;
3679
3680         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
3681
3682         ret = priv->name;
3683
3684         if (!ret && priv->remote_contact) {
3685                 ret = empathy_contact_get_alias (priv->remote_contact);
3686         }
3687
3688         if (!ret)
3689                 ret = priv->id;
3690
3691         if (!ret)
3692                 ret = _("Conversation");
3693
3694         if (priv->sms_channel)
3695                 /* Translators: this string is a something like
3696                  * "Escher Cat (SMS)" */
3697                 return g_strdup_printf (_("%s (SMS)"), ret);
3698         else
3699                 return g_strdup (ret);
3700 }
3701
3702 const gchar *
3703 empathy_chat_get_subject (EmpathyChat *chat)
3704 {
3705         EmpathyChatPriv *priv = GET_PRIV (chat);
3706
3707         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
3708
3709         return priv->subject;
3710 }
3711
3712 EmpathyContact *
3713 empathy_chat_get_remote_contact (EmpathyChat *chat)
3714 {
3715         EmpathyChatPriv *priv = GET_PRIV (chat);
3716
3717         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
3718
3719         return priv->remote_contact;
3720 }
3721
3722 GtkWidget *
3723 empathy_chat_get_contact_menu (EmpathyChat *chat)
3724 {
3725         EmpathyChatPriv *priv = GET_PRIV (chat);
3726         GtkWidget       *menu = NULL;
3727
3728         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
3729
3730         if (priv->remote_contact) {
3731                 menu = empathy_contact_menu_new (priv->remote_contact,
3732                                                  EMPATHY_CONTACT_FEATURE_CALL |
3733                                                  EMPATHY_CONTACT_FEATURE_LOG |
3734                                                  EMPATHY_CONTACT_FEATURE_INFO |
3735                                                  EMPATHY_CONTACT_FEATURE_BLOCK);
3736         }
3737
3738         return menu;
3739 }
3740
3741 void
3742 empathy_chat_clear (EmpathyChat *chat)
3743 {
3744         g_return_if_fail (EMPATHY_IS_CHAT (chat));
3745
3746         empathy_chat_view_clear (chat->view);
3747 }
3748
3749 void
3750 empathy_chat_scroll_down (EmpathyChat *chat)
3751 {
3752         g_return_if_fail (EMPATHY_IS_CHAT (chat));
3753
3754         empathy_chat_view_scroll_down (chat->view);
3755 }
3756
3757 void
3758 empathy_chat_cut (EmpathyChat *chat)
3759 {
3760         GtkTextBuffer *buffer;
3761
3762         g_return_if_fail (EMPATHY_IS_CHAT (chat));
3763
3764         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
3765         if (gtk_text_buffer_get_has_selection (buffer)) {
3766                 GtkClipboard *clipboard;
3767
3768                 clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
3769
3770                 gtk_text_buffer_cut_clipboard (buffer, clipboard, TRUE);
3771         }
3772 }
3773
3774 void
3775 empathy_chat_copy (EmpathyChat *chat)
3776 {
3777         GtkTextBuffer *buffer;
3778
3779         g_return_if_fail (EMPATHY_IS_CHAT (chat));
3780
3781         if (empathy_chat_view_get_has_selection (chat->view)) {
3782                 empathy_chat_view_copy_clipboard (chat->view);
3783                 return;
3784         }
3785
3786         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
3787         if (gtk_text_buffer_get_has_selection (buffer)) {
3788                 GtkClipboard *clipboard;
3789
3790                 clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
3791
3792                 gtk_text_buffer_copy_clipboard (buffer, clipboard);
3793         }
3794         else {
3795                 gint start_offset;
3796                 gint end_offset;
3797                 EmpathyChatPriv *priv = GET_PRIV (chat);
3798
3799                 if (gtk_label_get_selection_bounds (GTK_LABEL (priv->label_topic),
3800                                                                &start_offset,
3801                                                                &end_offset)) {
3802                         gchar *start;
3803                         gchar *end;
3804                         gchar *selection;
3805                         const gchar *topic;
3806                         GtkClipboard *clipboard;
3807
3808                         topic = gtk_label_get_text (GTK_LABEL (priv->label_topic));
3809                         start = g_utf8_offset_to_pointer (topic, start_offset);
3810                         end = g_utf8_offset_to_pointer (topic, end_offset);
3811                         selection = g_strndup (start, end - start);
3812
3813                         clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
3814                         gtk_clipboard_set_text (clipboard, selection, -1);
3815
3816                         g_free (selection);
3817                 }
3818         }
3819 }
3820
3821 void
3822 empathy_chat_paste (EmpathyChat *chat)
3823 {
3824         GtkTextBuffer *buffer;
3825         GtkClipboard  *clipboard;
3826         EmpathyChatPriv *priv;
3827
3828         g_return_if_fail (EMPATHY_IS_CHAT (chat));
3829
3830         priv = GET_PRIV (chat);
3831
3832         if (gtk_widget_get_visible (priv->search_bar)) {
3833                 empathy_search_bar_paste_clipboard (EMPATHY_SEARCH_BAR (priv->search_bar));
3834                 return;
3835         }
3836
3837         if (priv->tp_chat == NULL ||
3838             !gtk_widget_is_sensitive (chat->input_text_view))
3839                 return;
3840
3841         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
3842         clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
3843
3844         gtk_text_buffer_paste_clipboard (buffer, clipboard, NULL, TRUE);
3845 }
3846
3847 void
3848 empathy_chat_find (EmpathyChat *chat)
3849 {
3850         EmpathyChatPriv *priv;
3851
3852         g_return_if_fail (EMPATHY_IS_CHAT (chat));
3853
3854         priv = GET_PRIV (chat);
3855
3856         empathy_search_bar_show (EMPATHY_SEARCH_BAR (priv->search_bar));
3857 }
3858
3859 void
3860 empathy_chat_correct_word (EmpathyChat  *chat,
3861                           GtkTextIter *start,
3862                           GtkTextIter *end,
3863                           const gchar *new_word)
3864 {
3865         GtkTextBuffer *buffer;
3866
3867         g_return_if_fail (chat != NULL);
3868         g_return_if_fail (new_word != NULL);
3869
3870         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
3871
3872         gtk_text_buffer_delete (buffer, start, end);
3873         gtk_text_buffer_insert (buffer, start,
3874                                 new_word,
3875                                 -1);
3876 }
3877
3878 gboolean
3879 empathy_chat_is_room (EmpathyChat *chat)
3880 {
3881         EmpathyChatPriv *priv = GET_PRIV (chat);
3882
3883         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), FALSE);
3884
3885         return (priv->handle_type == TP_HANDLE_TYPE_ROOM);
3886 }
3887
3888 guint
3889 empathy_chat_get_nb_unread_messages (EmpathyChat *self)
3890 {
3891         EmpathyChatPriv *priv = GET_PRIV (self);
3892
3893         g_return_val_if_fail (EMPATHY_IS_CHAT (self), 0);
3894
3895         return priv->unread_messages;
3896 }
3897
3898 /* called when the messages have been read by user */
3899 void
3900 empathy_chat_messages_read (EmpathyChat *self)
3901 {
3902         EmpathyChatPriv *priv = GET_PRIV (self);
3903
3904         g_return_if_fail (EMPATHY_IS_CHAT (self));
3905
3906         /* FIXME: See Bug#610994, See comments about it in EmpathyChatPriv
3907          * definition. If we are still retrieving the backlogs, do not ACK */
3908         if (priv->retrieving_backlogs)
3909                 return;
3910
3911         if (priv->tp_chat != NULL) {
3912                 empathy_tp_chat_acknowledge_all_messages (priv->tp_chat);
3913         }
3914 }
3915
3916 /* Return TRUE if on of the contacts in this chat is composing */
3917 gboolean
3918 empathy_chat_is_composing (EmpathyChat *chat)
3919 {
3920   return chat->priv->compositors != NULL;
3921 }
3922
3923 gboolean
3924 empathy_chat_is_sms_channel (EmpathyChat *self)
3925 {
3926         EmpathyChatPriv *priv = GET_PRIV (self);
3927
3928         g_return_val_if_fail (EMPATHY_IS_CHAT (self), 0);
3929
3930         return priv->sms_channel;
3931 }
3932
3933 guint
3934 empathy_chat_get_n_messages_sending (EmpathyChat *self)
3935 {
3936         EmpathyChatPriv *priv;
3937
3938         g_return_val_if_fail (EMPATHY_IS_CHAT (self), 0);
3939
3940         priv = GET_PRIV (self);
3941
3942         if (priv->tp_chat == NULL) {
3943                 return 0;
3944         } else {
3945                 guint n_messages;
3946
3947                 g_object_get (priv->tp_chat,
3948                         "n-messages-sending", &n_messages,
3949                         NULL);
3950
3951                 return n_messages;
3952         }
3953 }