libempathy-gtk/empathy-chat.c

   1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
   2 /*
   3  * Copyright (C) 2002-2007 Imendio AB
   4  * Copyright (C) 2007-2010 Collabora Ltd.
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License as
   8  * published by the Free Software Foundation; either version 2 of the
   9  * License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public
  17  * License along with this program; if not, write to the
  18  * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
  19  * Boston, MA  02110-1301  USA
  20  *
  21  * Authors: Mikael Hallendal <micke@imendio.com>
  22  *          Richard Hult <richard@imendio.com>
  23  *          Martyn Russell <martyn@imendio.com>
  24  *          Geert-Jan Van den Bogaerde <geertjan@gnome.org>
  25  *          Xavier Claessens <xclaesse@gmail.com>
  26  */
  27
  28 #include <config.h>
  29
  30 #include <string.h>
  31 #include <stdlib.h>
  32
  33 #undef G_DISABLE_DEPRECATED /* for GCompletion */
  34 #include <gdk/gdkkeysyms.h>
  35 #include <glib/gi18n-lib.h>
  36 #include <gtk/gtk.h>
  37
  38 #include <telepathy-glib/account-manager.h>
  39 #include <telepathy-glib/util.h>
  40 #include <telepathy-logger/log-manager.h>
  41 #include <telepathy-logger/text-event.h>
  42 #include <libempathy/empathy-contact-list.h>
  43 #include <libempathy/empathy-gsettings.h>
  44 #include <libempathy/empathy-keyring.h>
  45 #include <libempathy/empathy-utils.h>
  46 #include <libempathy/empathy-request-util.h>
  47 #include <libempathy/empathy-chatroom-manager.h>
  48
  49 #include "empathy-chat.h"
  50 #include "empathy-spell.h"
  51 #include "empathy-contact-dialogs.h"
  52 #include "empathy-contact-list-store.h"
  53 #include "empathy-contact-list-view.h"
  54 #include "empathy-contact-menu.h"
  55 #include "empathy-input-text-view.h"
  56 #include "empathy-search-bar.h"
  57 #include "empathy-theme-manager.h"
  58 #include "empathy-theme-adium.h"
  59 #include "empathy-smiley-manager.h"
  60 #include "empathy-ui-utils.h"
  61 #include "empathy-string-parser.h"
  62 #include "extensions/extensions.h"
  63
  64 #define DEBUG_FLAG EMPATHY_DEBUG_CHAT
  65 #include <libempathy/empathy-debug.h>
  66
  67 #define IS_ENTER(v) (v == GDK_KEY_Return || v == GDK_KEY_ISO_Enter || v == GDK_KEY_KP_Enter)
  68 #define COMPOSING_STOP_TIMEOUT 5
  69
  70 #define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyChat)
  71 struct _EmpathyChatPriv {
  72         EmpathyTpChat     *tp_chat;
  73         TpAccount         *account;
  74         gchar             *id;
  75         gchar             *name;
  76         gchar             *subject;
  77         EmpathyContact    *remote_contact;
  78         gboolean           show_contacts;
  79
  80         GSettings         *gsettings_chat;
  81         GSettings         *gsettings_ui;
  82
  83         TplLogManager     *log_manager;
  84         TpAccountManager  *account_manager;
  85         GList             *input_history;
  86         GList             *input_history_current;
  87         GList             *compositors;
  88         GCompletion       *completion;
  89         guint              composing_stop_timeout_id;
  90         guint              block_events_timeout_id;
  91         TpHandleType       handle_type;
  92         gint               contacts_width;
  93         gboolean           has_input_vscroll;
  94
  95         /* TRUE if spell checking is enabled, FALSE otherwise.
  96          * This is to keep track of the last state of spell checking
  97          * when it changes. */
  98         gboolean           spell_checking_enabled;
  99
 100         /* These store the signal handler ids for the enclosed text entry. */
 101         gulong             insert_text_id;
 102         gulong             delete_range_id;
 103         gulong             notify_cursor_position_id;
 104
 105         /* Source func ID for update_misspelled_words () */
 106         guint              update_misspelled_words_id;
 107         /* Source func ID for save_paned_pos_timeout () */
 108         guint              save_paned_pos_id;
 109         /* Source func ID for chat_contacts_visible_timeout_cb () */
 110         guint              contacts_visible_id;
 111
 112         GtkWidget         *widget;
 113         GtkWidget         *hpaned;
 114         GtkWidget         *vbox_left;
 115         GtkWidget         *scrolled_window_chat;
 116         GtkWidget         *scrolled_window_input;
 117         GtkWidget         *scrolled_window_contacts;
 118         GtkWidget         *hbox_topic;
 119         GtkWidget         *expander_topic;
 120         GtkWidget         *label_topic;
 121         GtkWidget         *contact_list_view;
 122         GtkWidget         *info_bar_vbox;
 123         GtkWidget         *search_bar;
 124
 125         guint              unread_messages;
 126         guint              unread_messages_when_offline;
 127         /* TRUE if the pending messages can be displayed. This is to avoid to show
 128          * pending messages *before* messages from logs. (#603980) */
 129         gboolean           can_show_pending;
 130
 131         /* FIXME: retrieving_backlogs flag is a workaround for Bug#610994 and should
 132          * be differently handled since it introduces another race condition, which
 133          * is really hard to occur, but still possible.
 134          *
 135          * With the current workaround (which has the race above), we need to be
 136          * sure to ACK any pending messages only when the retrieval of backlogs is
 137          * finished, that's why using retrieving_backlogs flag.
 138          * empathy_chat_messages_read () will check this variable and not ACK
 139          * anything when TRUE. It will be set TRUE at chat_constructed () and set
 140          * back to FALSE when the backlog has been retrieved and the pending
 141          * messages actually showed to the user.
 142          *
 143          * Race condition introduced with this workaround:
 144          * Scenario: a message is pending, the user is notified and selects the tab.
 145          * the tab with a pending message is focused before the messages are properly
 146          * shown (since the preparation of the window is slower AND async WRT the
 147          * tab showing), which means the user won't see any new messages (rare but
 148          * possible), if he/she will change tab focus before the messages are
 149          * properly shown, the tab will be set as 'seen' and the user won't be
 150          * notified again about the already notified pending messages when the
 151          * messages in tab will be properly shown */
 152         gboolean           retrieving_backlogs;
 153         gboolean           sms_channel;
 154
 155         /* we need to know whether populate-popup happened in response to
 156          * the keyboard or the mouse. We can't ask GTK for the most recent
 157          * event, because it will be a notify event. Instead we track it here */
 158         GdkEventType       most_recent_event_type;
 159 };
 160
 161 typedef struct {
 162         gchar *text; /* Original message that was specified
 163                       * upon entry creation. */
 164         gchar *modified_text; /* Message that was modified by user.
 165                                * When no modifications were made, it is NULL */
 166 } InputHistoryEntry;
 167
 168 enum {
 169         COMPOSING,
 170         NEW_MESSAGE,
 171         PART_COMMAND_ENTERED,
 172         LAST_SIGNAL
 173 };
 174
 175 enum {
 176         PROP_0,
 177         PROP_TP_CHAT,
 178         PROP_ACCOUNT,
 179         PROP_ID,
 180         PROP_NAME,
 181         PROP_SUBJECT,
 182         PROP_REMOTE_CONTACT,
 183         PROP_SHOW_CONTACTS,
 184         PROP_SMS_CHANNEL,
 185         PROP_N_MESSAGES_SENDING,
 186         PROP_NB_UNREAD_MESSAGES,
 187 };
 188
 189 static guint signals[LAST_SIGNAL] = { 0 };
 190
 191 G_DEFINE_TYPE (EmpathyChat, empathy_chat, GTK_TYPE_BOX);
 192
 193 static gboolean update_misspelled_words (gpointer data);
 194
 195 static void
 196 chat_get_property (GObject    *object,
 197                    guint       param_id,
 198                    GValue     *value,
 199                    GParamSpec *pspec)
 200 {
 201         EmpathyChat *chat = EMPATHY_CHAT (object);
 202         EmpathyChatPriv *priv = GET_PRIV (object);
 203
 204         switch (param_id) {
 205         case PROP_TP_CHAT:
 206                 g_value_set_object (value, priv->tp_chat);
 207                 break;
 208         case PROP_ACCOUNT:
 209                 g_value_set_object (value, priv->account);
 210                 break;
 211         case PROP_NAME:
 212                 g_value_take_string (value, empathy_chat_dup_name (chat));
 213                 break;
 214         case PROP_ID:
 215                 g_value_set_string (value, priv->id);
 216                 break;
 217         case PROP_SUBJECT:
 218                 g_value_set_string (value, priv->subject);
 219                 break;
 220         case PROP_REMOTE_CONTACT:
 221                 g_value_set_object (value, priv->remote_contact);
 222                 break;
 223         case PROP_SHOW_CONTACTS:
 224                 g_value_set_boolean (value, priv->show_contacts);
 225                 break;
 226         case PROP_SMS_CHANNEL:
 227                 g_value_set_boolean (value, priv->sms_channel);
 228                 break;
 229         case PROP_N_MESSAGES_SENDING:
 230                 g_value_set_uint (value,
 231                         empathy_chat_get_n_messages_sending (chat));
 232                 break;
 233         case PROP_NB_UNREAD_MESSAGES:
 234                 g_value_set_uint (value,
 235                         empathy_chat_get_nb_unread_messages (chat));
 236                 break;
 237         default:
 238                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 239                 break;
 240         };
 241 }
 242
 243 static void
 244 chat_set_property (GObject      *object,
 245                    guint         param_id,
 246                    const GValue *value,
 247                    GParamSpec   *pspec)
 248 {
 249         EmpathyChat *chat = EMPATHY_CHAT (object);
 250
 251         switch (param_id) {
 252         case PROP_TP_CHAT:
 253                 empathy_chat_set_tp_chat (chat, EMPATHY_TP_CHAT (g_value_get_object (value)));
 254                 break;
 255         case PROP_SHOW_CONTACTS:
 256                 empathy_chat_set_show_contacts (chat, g_value_get_boolean (value));
 257                 break;
 258         default:
 259                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 260                 break;
 261         };
 262 }
 263
 264 static void
 265 account_reconnected (EmpathyChat *chat,
 266                         TpAccount *account)
 267 {
 268         EmpathyChatPriv *priv = GET_PRIV (chat);
 269
 270         DEBUG ("Account reconnected, request a new Text channel");
 271
 272         /* FIXME: Ideally we should ask to handle ourself the channel so we can
 273         * report the error if any but this is blocked by
 274         * https://bugs.freedesktop.org/show_bug.cgi?id=13422 */
 275         switch (priv->handle_type) {
 276                 case TP_HANDLE_TYPE_CONTACT:
 277                         if (priv->sms_channel)
 278                                 empathy_sms_contact_id (
 279                                         account, priv->id,
 280                                         TP_USER_ACTION_TIME_NOT_USER_ACTION);
 281                         else
 282                                 empathy_chat_with_contact_id (
 283                                         account, priv->id,
 284                                         TP_USER_ACTION_TIME_NOT_USER_ACTION);
 285                         break;
 286                 case TP_HANDLE_TYPE_ROOM:
 287                         empathy_join_muc (account, priv->id,
 288                                 TP_USER_ACTION_TIME_NOT_USER_ACTION);
 289                         break;
 290                 case TP_HANDLE_TYPE_NONE:
 291                 case TP_HANDLE_TYPE_LIST:
 292                 case TP_HANDLE_TYPE_GROUP:
 293                 default:
 294                         g_assert_not_reached ();
 295                         break;
 296         }
 297
 298         g_object_unref (chat);
 299 }
 300
 301 static void
 302 chat_new_connection_cb (TpAccount   *account,
 303                         guint        old_status,
 304                         guint        new_status,
 305                         guint        reason,
 306                         gchar       *dbus_error_name,
 307                         GHashTable  *details,
 308                         EmpathyChat *chat)
 309 {
 310         EmpathyChatPriv *priv = GET_PRIV (chat);
 311
 312         if (new_status != TP_CONNECTION_STATUS_CONNECTED)
 313                 return;
 314
 315         if (priv->tp_chat != NULL || account != priv->account ||
 316             priv->handle_type == TP_HANDLE_TYPE_NONE ||
 317             EMP_STR_EMPTY (priv->id))
 318                 return;
 319
 320         g_object_ref (chat);
 321
 322         account_reconnected (chat, account);
 323 }
 324
 325 static void
 326 chat_composing_remove_timeout (EmpathyChat *chat)
 327 {
 328         EmpathyChatPriv *priv;
 329
 330         priv = GET_PRIV (chat);
 331
 332         if (priv->composing_stop_timeout_id) {
 333                 g_source_remove (priv->composing_stop_timeout_id);
 334                 priv->composing_stop_timeout_id = 0;
 335         }
 336 }
 337
 338 static void
 339 set_chate_state_cb (GObject *source,
 340                     GAsyncResult *result,
 341                     gpointer user_data)
 342 {
 343         GError *error = NULL;
 344
 345         if (!tp_text_channel_set_chat_state_finish (TP_TEXT_CHANNEL (source), result,
 346                 &error)) {
 347                 DEBUG ("Failed to set chat state: %s", error->message);
 348                 g_error_free (error);
 349         }
 350 }
 351
 352 static void
 353 set_chat_state (EmpathyChat *self,
 354                 TpChannelChatState state)
 355 {
 356         EmpathyChatPriv *priv = GET_PRIV (self);
 357
 358         if (!tp_proxy_has_interface_by_id (priv->tp_chat,
 359                 TP_IFACE_QUARK_CHANNEL_INTERFACE_CHAT_STATE))
 360                 return;
 361
 362         tp_text_channel_set_chat_state_async (TP_TEXT_CHANNEL (priv->tp_chat), state,
 363                 set_chate_state_cb, self);
 364 }
 365
 366 static gboolean
 367 chat_composing_stop_timeout_cb (EmpathyChat *chat)
 368 {
 369         EmpathyChatPriv *priv;
 370
 371         priv = GET_PRIV (chat);
 372
 373         priv->composing_stop_timeout_id = 0;
 374         set_chat_state (chat, TP_CHANNEL_CHAT_STATE_PAUSED);
 375
 376         return FALSE;
 377 }
 378
 379 static void
 380 chat_composing_start (EmpathyChat *chat)
 381 {
 382         EmpathyChatPriv *priv;
 383
 384         priv = GET_PRIV (chat);
 385
 386         if (priv->composing_stop_timeout_id) {
 387                 /* Just restart the timeout */
 388                 chat_composing_remove_timeout (chat);
 389         } else {
 390                 set_chat_state (chat, TP_CHANNEL_CHAT_STATE_COMPOSING);
 391         }
 392
 393         priv->composing_stop_timeout_id = g_timeout_add_seconds (
 394                 COMPOSING_STOP_TIMEOUT,
 395                 (GSourceFunc) chat_composing_stop_timeout_cb,
 396                 chat);
 397 }
 398
 399 static void
 400 chat_composing_stop (EmpathyChat *chat)
 401 {
 402         chat_composing_remove_timeout (chat);
 403         set_chat_state (chat, TP_CHANNEL_CHAT_STATE_ACTIVE);
 404 }
 405
 406 static gint
 407 chat_input_history_entry_cmp (InputHistoryEntry *entry,
 408                               const gchar *text)
 409 {
 410         if (!tp_strdiff (entry->text, text)) {
 411                 if (entry->modified_text != NULL) {
 412                         /* Modified entry and single string cannot be equal. */
 413                         return 1;
 414                 }
 415                 return 0;
 416         }
 417         return 1;
 418 }
 419
 420 static InputHistoryEntry *
 421 chat_input_history_entry_new_with_text (const gchar *text)
 422 {
 423         InputHistoryEntry *entry;
 424         entry = g_slice_new0 (InputHistoryEntry);
 425         entry->text = g_strdup (text);
 426
 427         return entry;
 428 }
 429
 430 static void
 431 chat_input_history_entry_free (InputHistoryEntry *entry)
 432 {
 433         g_free (entry->text);
 434         g_free (entry->modified_text);
 435         g_slice_free (InputHistoryEntry, entry);
 436 }
 437
 438 static void
 439 chat_input_history_entry_revert (InputHistoryEntry *entry)
 440 {
 441         g_free (entry->modified_text);
 442         entry->modified_text = NULL;
 443 }
 444
 445 static void
 446 chat_input_history_entry_update_text (InputHistoryEntry *entry,
 447                                       const gchar *text)
 448 {
 449         gchar *old;
 450
 451         if (!tp_strdiff (text, entry->text)) {
 452                 g_free (entry->modified_text);
 453                 entry->modified_text = NULL;
 454                 return;
 455         }
 456
 457         old = entry->modified_text;
 458         entry->modified_text = g_strdup (text);
 459         g_free (old);
 460 }
 461
 462 static const gchar *
 463 chat_input_history_entry_get_text (InputHistoryEntry *entry)
 464 {
 465         if (entry == NULL) {
 466                 return NULL;
 467         }
 468
 469         if (entry->modified_text != NULL) {
 470                 return entry->modified_text;
 471         }
 472         return entry->text;
 473 }
 474
 475 static GList *
 476 chat_input_history_remove_item (GList *list,
 477                                 GList *item)
 478 {
 479         list = g_list_remove_link (list, item);
 480         chat_input_history_entry_free (item->data);
 481         g_list_free_1 (item);
 482         return list;
 483 }
 484
 485 static void
 486 chat_input_history_revert (EmpathyChat *chat)
 487 {
 488         EmpathyChatPriv   *priv;
 489         GList             *list;
 490         GList             *item1;
 491         GList             *item2;
 492         InputHistoryEntry *entry;
 493
 494         priv = GET_PRIV (chat);
 495         list = priv->input_history;
 496
 497         if (list == NULL) {
 498                 DEBUG ("No input history");
 499                 return;
 500         }
 501
 502         /* Delete temporary entry */
 503         if (priv->input_history_current != NULL) {
 504                 item1 = list;
 505                 list = chat_input_history_remove_item (list, item1);
 506                 if (priv->input_history_current == item1) {
 507                         /* Removed temporary entry was current entry */
 508                         priv->input_history = list;
 509                         priv->input_history_current = NULL;
 510                         return;
 511                 }
 512         }
 513         else {
 514                 /* There is no entry to revert */
 515                 return;
 516         }
 517
 518         /* Restore the current history entry to original value */
 519         item1 = priv->input_history_current;
 520         entry = item1->data;
 521         chat_input_history_entry_revert (entry);
 522
 523         /* Remove restored entry if there is other occurance before this entry */
 524         item2 = g_list_find_custom (list, chat_input_history_entry_get_text (entry),
 525                                     (GCompareFunc) chat_input_history_entry_cmp);
 526         if (item2 != item1) {
 527                 list = chat_input_history_remove_item (list, item1);
 528         }
 529         else {
 530                 /* Remove other occurance of the restored entry */
 531                 item2 = g_list_find_custom (item1->next,
 532                                             chat_input_history_entry_get_text (entry),
 533                                             (GCompareFunc) chat_input_history_entry_cmp);
 534                 if (item2 != NULL) {
 535                         list = chat_input_history_remove_item (list, item2);
 536                 }
 537         }
 538
 539         priv->input_history_current = NULL;
 540         priv->input_history = list;
 541 }
 542
 543 static void
 544 chat_input_history_add (EmpathyChat  *chat,
 545                         const gchar *str,
 546                         gboolean temporary)
 547 {
 548         EmpathyChatPriv   *priv;
 549         GList             *list;
 550         GList             *item;
 551         InputHistoryEntry *entry;
 552
 553         priv = GET_PRIV (chat);
 554
 555         list = priv->input_history;
 556
 557         /* Remove any other occurances of this entry, if not temporary */
 558         if (!temporary) {
 559                 while ((item = g_list_find_custom (list, str,
 560                     (GCompareFunc) chat_input_history_entry_cmp)) != NULL) {
 561                         list = chat_input_history_remove_item (list, item);
 562                 }
 563
 564                 /* Trim the list to the last 10 items */
 565                 while (g_list_length (list) > 10) {
 566                         item = g_list_last (list);
 567                         if (item != NULL) {
 568                                 list = chat_input_history_remove_item (list, item);
 569                         }
 570                 }
 571         }
 572
 573
 574
 575         /* Add new entry */
 576         entry = chat_input_history_entry_new_with_text (str);
 577         list = g_list_prepend (list, entry);
 578
 579         /* Set the list and the current item pointer */
 580         priv->input_history = list;
 581         if (temporary) {
 582                 priv->input_history_current = list;
 583         }
 584         else {
 585                 priv->input_history_current = NULL;
 586         }
 587 }
 588
 589 static const gchar *
 590 chat_input_history_get_next (EmpathyChat *chat)
 591 {
 592         EmpathyChatPriv *priv;
 593         GList           *item;
 594         const gchar     *msg;
 595
 596         priv = GET_PRIV (chat);
 597
 598         if (priv->input_history == NULL) {
 599                 DEBUG ("No input history, next entry is NULL");
 600                 return NULL;
 601         }
 602         g_assert (priv->input_history_current != NULL);
 603
 604         if ((item = g_list_next (priv->input_history_current)) == NULL)
 605         {
 606                 item = priv->input_history_current;
 607         }
 608
 609         msg = chat_input_history_entry_get_text (item->data);
 610
 611         DEBUG ("Returning next entry: '%s'", msg);
 612
 613         priv->input_history_current = item;
 614
 615         return msg;
 616 }
 617
 618 static const gchar *
 619 chat_input_history_get_prev (EmpathyChat *chat)
 620 {
 621         EmpathyChatPriv *priv;
 622         GList           *item;
 623         const gchar     *msg;
 624
 625         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
 626
 627         priv = GET_PRIV (chat);
 628
 629         if (priv->input_history == NULL) {
 630                 DEBUG ("No input history, previous entry is NULL");
 631                 return NULL;
 632         }
 633
 634         if (priv->input_history_current == NULL)
 635         {
 636                 return NULL;
 637         }
 638         else if ((item = g_list_previous (priv->input_history_current)) == NULL)
 639         {
 640                 item = priv->input_history_current;
 641         }
 642
 643         msg = chat_input_history_entry_get_text (item->data);
 644
 645         DEBUG ("Returning previous entry: '%s'", msg);
 646
 647         priv->input_history_current = item;
 648
 649         return msg;
 650 }
 651
 652 static void
 653 chat_input_history_update (EmpathyChat *chat,
 654                            GtkTextBuffer *buffer)
 655 {
 656         EmpathyChatPriv      *priv;
 657         GtkTextIter           start, end;
 658         gchar                *text;
 659         InputHistoryEntry    *entry;
 660
 661         priv = GET_PRIV (chat);
 662
 663         gtk_text_buffer_get_bounds (buffer, &start, &end);
 664         text = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
 665
 666         if (priv->input_history_current == NULL) {
 667                 /* Add the current text temporarily to the history */
 668                 chat_input_history_add (chat, text, TRUE);
 669                 g_free (text);
 670                 return;
 671         }
 672
 673         /* Save the changes in the history */
 674         entry = priv->input_history_current->data;
 675         if (tp_strdiff (chat_input_history_entry_get_text (entry), text)) {
 676                 chat_input_history_entry_update_text (entry, text);
 677         }
 678
 679         g_free (text);
 680 }
 681
 682 typedef struct {
 683         EmpathyChat *chat;
 684         gchar *message;
 685 } ChatCommandMsgData;
 686
 687 static void
 688 chat_command_msg_cb (GObject *source,
 689                               GAsyncResult *result,
 690                               gpointer                  user_data)
 691 {
 692         ChatCommandMsgData *data = user_data;
 693         GError *error = NULL;
 694         TpChannel *channel;
 695
 696         channel = tp_account_channel_request_ensure_and_observe_channel_finish (
 697                                         TP_ACCOUNT_CHANNEL_REQUEST (source), result, &error);
 698
 699         if (channel == NULL) {
 700                 DEBUG ("Failed to get channel: %s", error->message);
 701                 g_error_free (error);
 702
 703                 empathy_chat_view_append_event (data->chat->view,
 704                         _("Failed to open private chat"));
 705                 goto OUT;
 706         }
 707
 708         if (!EMP_STR_EMPTY (data->message) && TP_IS_TEXT_CHANNEL (channel)) {
 709                 TpTextChannel *text = (TpTextChannel *) channel;
 710                 TpMessage *msg;
 711
 712                 msg = tp_client_message_new_text (TP_CHANNEL_TEXT_MESSAGE_TYPE_NORMAL,
 713                         data->message);
 714
 715                 tp_text_channel_send_message_async (text, msg, 0, NULL, NULL);
 716
 717                 g_object_unref (msg);
 718         }
 719
 720         g_object_unref (channel);
 721
 722 OUT:
 723         g_free (data->message);
 724         g_slice_free (ChatCommandMsgData, data);
 725 }
 726
 727 static gboolean
 728 nick_command_supported (EmpathyChat *chat)
 729 {
 730         EmpathyChatPriv * priv = GET_PRIV (chat);
 731         TpConnection    *connection;
 732
 733         connection = tp_channel_borrow_connection (TP_CHANNEL (priv->tp_chat));
 734         return tp_proxy_has_interface_by_id (connection,
 735                 EMP_IFACE_QUARK_CONNECTION_INTERFACE_RENAMING);
 736 }
 737
 738 static gboolean
 739 part_command_supported (EmpathyChat *chat)
 740 {
 741         EmpathyChatPriv * priv = GET_PRIV (chat);
 742
 743         return tp_proxy_has_interface_by_id (priv->tp_chat,
 744                         TP_IFACE_QUARK_CHANNEL_INTERFACE_GROUP);
 745 }
 746
 747 static void
 748 chat_command_clear (EmpathyChat *chat,
 749                     GStrv        strv)
 750 {
 751         empathy_chat_view_clear (chat->view);
 752 }
 753
 754 static void
 755 chat_command_topic (EmpathyChat *chat,
 756                     GStrv        strv)
 757 {
 758         EmpathyChatPriv *priv = GET_PRIV (chat);
 759         EmpathyTpChatProperty *property;
 760         GValue value = {0, };
 761
 762         property = empathy_tp_chat_get_property (priv->tp_chat, "subject");
 763         if (property == NULL) {
 764                 empathy_chat_view_append_event (chat->view,
 765                         _("Topic not supported on this conversation"));
 766                 return;
 767         }
 768
 769         if (!(property->flags & TP_PROPERTY_FLAG_WRITE)) {
 770                 empathy_chat_view_append_event (chat->view,
 771                         _("You are not allowed to change the topic"));
 772                 return;
 773         }
 774
 775         g_value_init (&value, G_TYPE_STRING);
 776         g_value_set_string (&value, strv[1]);
 777         empathy_tp_chat_set_property (priv->tp_chat, "subject", &value);
 778         g_value_unset (&value);
 779 }
 780
 781 void
 782 empathy_chat_join_muc (EmpathyChat *chat,
 783                    const gchar   *room)
 784 {
 785         EmpathyChatPriv *priv = GET_PRIV (chat);
 786
 787         empathy_join_muc (priv->account, room,
 788                 empathy_get_current_action_time ());
 789 }
 790
 791 static void
 792 chat_command_join (EmpathyChat *chat,
 793                    GStrv        strv)
 794 {
 795         guint i = 0;
 796
 797         GStrv rooms = g_strsplit_set (strv[1], ", ", -1);
 798
 799         /* FIXME: Ideally we should ask to handle ourself the channel so we can
 800         * report the error if any but this is blocked by
 801         * https://bugs.freedesktop.org/show_bug.cgi?id=13422 */
 802         while (rooms[i] != NULL) {
 803                 /* ignore empty strings */
 804                 if (!EMP_STR_EMPTY (rooms[i])) {
 805                         empathy_chat_join_muc (chat, rooms[i]);
 806                 }
 807                 i++;
 808         }
 809         g_strfreev (rooms);
 810 }
 811
 812 static void
 813 chat_command_part (EmpathyChat *chat,
 814                            GStrv        strv)
 815 {
 816         g_signal_emit (chat, signals[PART_COMMAND_ENTERED], 0, strv);
 817 }
 818
 819 static void
 820 chat_command_msg_internal (EmpathyChat *chat,
 821                            const gchar *contact_id,
 822                            const gchar *message)
 823 {
 824         EmpathyChatPriv *priv = GET_PRIV (chat);
 825         ChatCommandMsgData *data;
 826         TpAccountChannelRequest *req;
 827         GHashTable *request;
 828
 829         request = tp_asv_new (
 830                 TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING, TP_IFACE_CHANNEL_TYPE_TEXT,
 831                 TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, G_TYPE_UINT, TP_HANDLE_TYPE_CONTACT,
 832                 TP_PROP_CHANNEL_TARGET_ID, G_TYPE_STRING, contact_id,
 833                 NULL);
 834
 835         req = tp_account_channel_request_new (priv->account, request,
 836                 empathy_get_current_action_time ());
 837
 838         /* FIXME: We should probably search in members alias. But this
 839          * is enough for IRC */
 840         data = g_slice_new (ChatCommandMsgData);
 841         data->chat = chat;
 842         data->message = g_strdup (message);
 843
 844         tp_account_channel_request_ensure_and_observe_channel_async (req,
 845                 EMPATHY_CHAT_BUS_NAME, NULL, chat_command_msg_cb, data);
 846
 847         g_object_unref (req);
 848         g_hash_table_unref (request);
 849 }
 850
 851 static void
 852 chat_command_query (EmpathyChat *chat,
 853                     GStrv        strv)
 854 {
 855         /* If <message> part is not defined,
 856          * strv[2] will be the terminal NULL */
 857         chat_command_msg_internal (chat, strv[1], strv[2]);
 858 }
 859
 860 static void
 861 chat_command_msg (EmpathyChat *chat,
 862                   GStrv        strv)
 863 {
 864         chat_command_msg_internal (chat, strv[1], strv[2]);
 865 }
 866
 867 static void
 868 callback_for_request_rename (TpProxy *proxy,
 869                   const GError *error,
 870                   gpointer user_data,
 871                   GObject *weak_object)
 872 {
 873         if (error != NULL) {
 874                 DEBUG ("Call to RequestRename method failed: %s",error->message);
 875         }
 876 }
 877
 878 static void
 879 chat_command_nick (EmpathyChat *chat,
 880                    GStrv        strv)
 881 {
 882         EmpathyChatPriv *priv = GET_PRIV (chat);
 883         TpProxy *proxy;
 884
 885         proxy = TP_PROXY (tp_account_get_connection (priv->account));
 886
 887         emp_cli_connection_interface_renaming_call_request_rename (proxy, -1,
 888                 strv[1], callback_for_request_rename, NULL, NULL, NULL);
 889 }
 890
 891 static void
 892 chat_command_me (EmpathyChat *chat,
 893                   GStrv        strv)
 894 {
 895         EmpathyChatPriv *priv = GET_PRIV (chat);
 896         TpMessage *message;
 897         TpTextChannel *channel;
 898
 899         channel = (TpTextChannel *) (priv->tp_chat);
 900
 901         if (!tp_text_channel_supports_message_type (channel,
 902                         TP_CHANNEL_TEXT_MESSAGE_TYPE_ACTION)) {
 903                 /* Action message are not supported, 'simulate' the action */
 904                 EmpathyContact *self_contact;
 905                 gchar *tmp;
 906
 907                 self_contact = empathy_tp_chat_get_self_contact (priv->tp_chat);
 908                 /* The TpChat can't be ready if it doesn't have the self contact */
 909                 g_assert (self_contact != NULL);
 910
 911                 tmp = g_strdup_printf ("%s %s", empathy_contact_get_alias (self_contact),
 912                         strv[1]);
 913                 message = tp_client_message_new_text (TP_CHANNEL_TEXT_MESSAGE_TYPE_NORMAL,
 914                         tmp);
 915                 g_free (tmp);
 916         }
 917         else {
 918                 message = tp_client_message_new_text (TP_CHANNEL_TEXT_MESSAGE_TYPE_ACTION,
 919                         strv[1]);
 920         }
 921
 922         empathy_tp_chat_send (priv->tp_chat, message);
 923         g_object_unref (message);
 924 }
 925
 926 static void
 927 chat_command_say (EmpathyChat *chat,
 928                   GStrv        strv)
 929 {
 930         EmpathyChatPriv *priv = GET_PRIV (chat);
 931         TpMessage *message;
 932
 933         message = tp_client_message_new_text (TP_CHANNEL_TEXT_MESSAGE_TYPE_NORMAL,
 934                 strv[1]);
 935         empathy_tp_chat_send (priv->tp_chat, message);
 936         g_object_unref (message);
 937 }
 938
 939 static void
 940 whois_got_contact_cb (TpConnection *connection,
 941                       guint n_contacts,
 942                       TpContact * const *contacts,
 943                       const gchar * const *requested_ids,
 944                       GHashTable *failed_id_errors,
 945                       const GError *error,
 946                       gpointer user_data,
 947                       GObject *weak_object)
 948 {
 949         EmpathyChat *chat = EMPATHY_CHAT (weak_object);
 950
 951         g_return_if_fail (n_contacts <= 1);
 952
 953         if (n_contacts == 0) {
 954                 GHashTableIter iter;
 955                 gpointer key = NULL, value = NULL;
 956                 gchar *id;
 957                 GError *id_error;
 958
 959                 /* tp-glib guarantees that the contacts you requested will be
 960                  * in failed_id_errors regardless of whether the individual
 961                  * contact was invalid or the whole operation failed.
 962                  */
 963                 g_hash_table_iter_init (&iter, failed_id_errors);
 964                 g_hash_table_iter_next (&iter, &key, &value);
 965                 id = key;
 966                 id_error = value;
 967
 968                 DEBUG ("Error getting TpContact for '%s': %s %u %s",
 969                         id, g_quark_to_string (id_error->domain),
 970                         id_error->code, id_error->message);
 971
 972                 if (error == NULL) {
 973                         /* The specific ID failed. */
 974                         gchar *event = g_strdup_printf (
 975                                 _("“%s” is not a valid contact ID"), id);
 976                         empathy_chat_view_append_event (chat->view, event);
 977                         g_free (event);
 978                 }
 979                 /* Otherwise we're disconnected or something; so the window
 980                  * will already say ‘Disconnected’, so let's not show anything.
 981                  */
 982         } else {
 983                 EmpathyContact *empathy_contact;
 984                 GtkWidget *window;
 985
 986                 g_return_if_fail (contacts[0] != NULL);
 987                 empathy_contact = empathy_contact_dup_from_tp_contact (
 988                         contacts[0]);
 989
 990                 window = gtk_widget_get_toplevel (GTK_WIDGET (chat));
 991                 /* If we're alive and this command is running, we'd better be
 992                  * in a window. */
 993                 g_return_if_fail (window != NULL);
 994                 g_return_if_fail (gtk_widget_is_toplevel (window));
 995                 empathy_contact_information_dialog_show (empathy_contact,
 996                         GTK_WINDOW (window));
 997                 g_object_unref (empathy_contact);
 998         }
 999 }
1000
1001 static void
1002 chat_command_whois (EmpathyChat *chat,
1003                     GStrv strv)
1004 {
1005         EmpathyChatPriv *priv = GET_PRIV (chat);
1006         TpConnection *conn;
1007
1008         conn = tp_channel_borrow_connection ((TpChannel *) priv->tp_chat);
1009         tp_connection_get_contacts_by_id (conn,
1010                 /* Element 0 of 'strv' is "whois"; element 1 is the contact ID
1011                  * entered by the user (including spaces, if any). */
1012                 1, (const gchar * const *) strv + 1,
1013                 0, NULL,
1014                 whois_got_contact_cb, NULL, NULL, G_OBJECT (chat));
1015 }
1016
1017 static void
1018 chat_command_whale (EmpathyChat *chat,
1019                     GStrv        strv)
1020 {
1021         EmpathyChatPriv *priv = GET_PRIV (chat);
1022         TpMessage *message;
1023
1024         message = tp_client_message_new_text (TP_CHANNEL_TEXT_MESSAGE_TYPE_NORMAL,
1025                 "\n\n\n"
1026                 "•_______________•");
1027         empathy_tp_chat_send (priv->tp_chat, message);
1028         g_object_unref (message);
1029 }
1030
1031 static void
1032 chat_command_babywhale (EmpathyChat *chat,
1033                         GStrv        strv)
1034 {
1035         EmpathyChatPriv *priv = GET_PRIV (chat);
1036         TpMessage *message;
1037
1038         message = tp_client_message_new_text (TP_CHANNEL_TEXT_MESSAGE_TYPE_NORMAL,
1039                 "\n"
1040                 "•_____•");
1041         empathy_tp_chat_send (priv->tp_chat, message);
1042         g_object_unref (message);
1043 }
1044
1045 static void
1046 chat_command_inspector (EmpathyChat *chat,
1047                     GStrv        strv)
1048 {
1049         if (EMPATHY_IS_THEME_ADIUM (chat->view)) {
1050                 empathy_theme_adium_show_inspector (
1051                         EMPATHY_THEME_ADIUM (chat->view));
1052         }
1053 }
1054
1055 static void chat_command_help (EmpathyChat *chat, GStrv strv);
1056
1057 typedef void (*ChatCommandFunc) (EmpathyChat *chat, GStrv strv);
1058
1059 typedef struct {
1060         const gchar *prefix;
1061         guint min_parts;
1062         guint max_parts;
1063         ChatCommandFunc func;
1064         gboolean (*is_supported)(EmpathyChat *chat);
1065         const gchar *help;
1066 } ChatCommandItem;
1067
1068 static ChatCommandItem commands[] = {
1069         {"clear", 1, 1, chat_command_clear, NULL,
1070          N_("/clear: clear all messages from the current conversation")},
1071
1072         {"topic", 2, 2, chat_command_topic, NULL,
1073          N_("/topic <topic>: set the topic of the current conversation")},
1074
1075         {"join", 2, 2, chat_command_join, NULL,
1076          N_("/join <chat room ID>: join a new chat room")},
1077
1078         {"j", 2, 2, chat_command_join, NULL,
1079          N_("/j <chat room ID>: join a new chat room")},
1080
1081         /* FIXME: https://bugzilla.gnome.org/show_bug.cgi?id=643295 */
1082         {"part", 1, 3, chat_command_part, part_command_supported,
1083          N_("/part [<chat room ID>] [<reason>]: leave the chat room, "
1084             "by default the current one")},
1085
1086         {"query", 2, 3, chat_command_query, NULL,
1087          N_("/query <contact ID> [<message>]: open a private chat")},
1088
1089         {"msg", 3, 3, chat_command_msg, NULL,
1090          N_("/msg <contact ID> <message>: open a private chat")},
1091
1092         {"nick", 2, 2, chat_command_nick, nick_command_supported,
1093          N_("/nick <nickname>: change your nickname on the current server")},
1094
1095         {"me", 2, 2, chat_command_me, NULL,
1096          N_("/me <message>: send an ACTION message to the current conversation")},
1097
1098         {"say", 2, 2, chat_command_say, NULL,
1099          N_("/say <message>: send <message> to the current conversation. "
1100             "This is used to send a message starting with a '/'. For example: "
1101             "\"/say /join is used to join a new chat room\"")},
1102
1103         {"whois", 2, 2, chat_command_whois, NULL,
1104          N_("/whois <contact ID>: display information about a contact")},
1105
1106         {"help", 1, 2, chat_command_help, NULL,
1107          N_("/help [<command>]: show all supported commands. "
1108             "If <command> is defined, show its usage.")},
1109
1110         {"inspector", 1, 1, chat_command_inspector, NULL, NULL},
1111
1112         {"whale", 1, 1, chat_command_whale, NULL, NULL},
1113         {"babywhale", 1, 1, chat_command_babywhale, NULL, NULL},
1114 };
1115
1116 static void
1117 chat_command_show_help (EmpathyChat     *chat,
1118                         ChatCommandItem *item)
1119 {
1120         gchar *str;
1121
1122         if (item->help == NULL) {
1123                 return;
1124         }
1125
1126         str = g_strdup_printf (_("Usage: %s"), _(item->help));
1127         empathy_chat_view_append_event (chat->view, str);
1128         g_free (str);
1129 }
1130
1131 static void
1132 chat_command_help (EmpathyChat *chat,
1133                    GStrv        strv)
1134 {
1135         guint i;
1136
1137         /* If <command> part is not defined,
1138          * strv[1] will be the terminal NULL */
1139         if (strv[1] == NULL) {
1140                 for (i = 0; i < G_N_ELEMENTS (commands); i++) {
1141                         if (commands[i].is_supported != NULL) {
1142                                 if (!commands[i].is_supported (chat)) {
1143                                         continue;
1144                                 }
1145                         }
1146                         if (commands[i].help == NULL) {
1147                                 continue;
1148                         }
1149                         empathy_chat_view_append_event (chat->view,
1150                                 _(commands[i].help));
1151                 }
1152                 return;
1153         }
1154
1155         for (i = 0; i < G_N_ELEMENTS (commands); i++) {
1156                 if (g_ascii_strcasecmp (strv[1], commands[i].prefix) == 0) {
1157                         if (commands[i].is_supported != NULL) {
1158                                 if (!commands[i].is_supported (chat)) {
1159                                         break;
1160                                 }
1161                         }
1162                         if (commands[i].help == NULL) {
1163                                 break;
1164                         }
1165                         chat_command_show_help (chat, &commands[i]);
1166                         return;
1167                 }
1168         }
1169
1170         empathy_chat_view_append_event (chat->view,
1171                 _("Unknown command"));
1172 }
1173
1174 static GStrv
1175 chat_command_parse (const gchar *text, guint max_parts)
1176 {
1177         GPtrArray *array;
1178         gchar *item;
1179
1180         DEBUG ("Parse command, parts=%d text=\"%s\":", max_parts, text);
1181
1182         array = g_ptr_array_sized_new (max_parts + 1);
1183         while (max_parts > 1) {
1184                 const gchar *end;
1185
1186                 /* Skip white spaces */
1187                 while (g_ascii_isspace (*text)) {
1188                         text++;
1189                 }
1190
1191                 /* Search the end of this part, until first space. */
1192                 for (end = text; *end != '\0' && !g_ascii_isspace (*end); end++)
1193                         /* Do nothing */;
1194                 if (*end == '\0') {
1195                         break;
1196                 }
1197
1198                 item = g_strndup (text, end - text);
1199                 g_ptr_array_add (array, item);
1200                 DEBUG ("\tITEM: \"%s\"", item);
1201
1202                 text = end;
1203                 max_parts--;
1204         }
1205
1206         /* Append last part if not empty */
1207         item = g_strstrip (g_strdup (text));
1208         if (!EMP_STR_EMPTY (item)) {
1209                 g_ptr_array_add (array, item);
1210                 DEBUG ("\tITEM: \"%s\"", item);
1211         } else {
1212                 g_free (item);
1213         }
1214
1215         /* Make the array NULL-terminated */
1216         g_ptr_array_add (array, NULL);
1217
1218         return (GStrv) g_ptr_array_free (array, FALSE);
1219 }
1220
1221 static gboolean
1222 has_prefix_case (const gchar *s,
1223                   const gchar *prefix)
1224 {
1225         return g_ascii_strncasecmp (s, prefix, strlen (prefix)) == 0;
1226 }
1227
1228 static void
1229 chat_send (EmpathyChat  *chat,
1230            const gchar *msg)
1231 {
1232         EmpathyChatPriv *priv;
1233         TpMessage  *message;
1234         guint            i;
1235
1236         if (EMP_STR_EMPTY (msg)) {
1237                 return;
1238         }
1239
1240         priv = GET_PRIV (chat);
1241
1242         chat_input_history_add (chat, msg, FALSE);
1243
1244         if (msg[0] == '/') {
1245                 gboolean second_slash = FALSE;
1246                 const gchar *iter = msg + 1;
1247
1248                 for (i = 0; i < G_N_ELEMENTS (commands); i++) {
1249                         GStrv strv;
1250                         guint strv_len;
1251                         gchar c;
1252
1253                         if (!has_prefix_case (msg + 1, commands[i].prefix)) {
1254                                 continue;
1255                         }
1256                         c = *(msg + 1 + strlen (commands[i].prefix));
1257                         if (c != '\0' && !g_ascii_isspace (c)) {
1258                                 continue;
1259                         }
1260                         if (commands[i].is_supported != NULL) {
1261                                 if (!commands[i].is_supported (chat)) {
1262                                         continue;
1263                                 }
1264                         }
1265
1266                         /* We can't use g_strsplit here because it does
1267                          * not deal correctly if we have more than one space
1268                          * between args */
1269                         strv = chat_command_parse (msg + 1, commands[i].max_parts);
1270
1271                         strv_len = g_strv_length (strv);
1272                         if (strv_len < commands[i].min_parts ||
1273                             strv_len > commands[i].max_parts) {
1274                                 chat_command_show_help (chat, &commands[i]);
1275                                 g_strfreev (strv);
1276                                 return;
1277                         }
1278
1279                         commands[i].func (chat, strv);
1280                         g_strfreev (strv);
1281                         return;
1282                 }
1283
1284                 /* Also allow messages with two slashes before the
1285                  * first space, so it is possible to send a /unix/path.
1286                  * This heuristic is kind of crap. */
1287                 while (*iter != '\0' && !g_ascii_isspace (*iter)) {
1288                         if (*iter == '/') {
1289                                 second_slash = TRUE;
1290                                 break;
1291                         }
1292                         iter++;
1293                 }
1294
1295                 if (!second_slash) {
1296                         empathy_chat_view_append_event (chat->view,
1297                                 _("Unknown command; see /help for the available"
1298                                   " commands"));
1299                         return;
1300                 }
1301         }
1302
1303         message = tp_client_message_new_text (TP_CHANNEL_TEXT_MESSAGE_TYPE_NORMAL,
1304                 msg);
1305         empathy_tp_chat_send (priv->tp_chat, message);
1306         g_object_unref (message);
1307 }
1308
1309 static void
1310 chat_input_text_view_send (EmpathyChat *chat)
1311 {
1312         GtkTextBuffer  *buffer;
1313         GtkTextIter     start, end;
1314         gchar          *msg;
1315
1316         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1317
1318         gtk_text_buffer_get_bounds (buffer, &start, &end);
1319         msg = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
1320
1321         /* clear the input field */
1322         gtk_text_buffer_set_text (buffer, "", -1);
1323         /* delete input history modifications */
1324         chat_input_history_revert (chat);
1325
1326         chat_send (chat, msg);
1327         g_free (msg);
1328 }
1329
1330 static void
1331 chat_state_changed_cb (EmpathyTpChat      *tp_chat,
1332                        EmpathyContact     *contact,
1333                        TpChannelChatState  state,
1334                        EmpathyChat        *chat)
1335 {
1336         EmpathyChatPriv *priv;
1337         GList          *l;
1338         gboolean        was_composing;
1339
1340         priv = GET_PRIV (chat);
1341
1342         if (empathy_contact_is_user (contact)) {
1343                 /* We don't care about our own chat state */
1344                 return;
1345         }
1346
1347         was_composing = (priv->compositors != NULL);
1348
1349         /* Find the contact in the list. After that l is the list elem or NULL */
1350         for (l = priv->compositors; l; l = l->next) {
1351                 if (contact == l->data) {
1352                         break;
1353                 }
1354         }
1355
1356         switch (state) {
1357         case TP_CHANNEL_CHAT_STATE_GONE:
1358         case TP_CHANNEL_CHAT_STATE_INACTIVE:
1359         case TP_CHANNEL_CHAT_STATE_PAUSED:
1360         case TP_CHANNEL_CHAT_STATE_ACTIVE:
1361                 /* Contact is not composing */
1362                 if (l) {
1363                         priv->compositors = g_list_remove_link (priv->compositors, l);
1364                         g_object_unref (l->data);
1365                         g_list_free1 (l);
1366                 }
1367                 break;
1368         case TP_CHANNEL_CHAT_STATE_COMPOSING:
1369                 /* Contact is composing */
1370                 if (!l) {
1371                         priv->compositors = g_list_prepend (priv->compositors,
1372                                                             g_object_ref (contact));
1373                 }
1374                 break;
1375         default:
1376                 g_assert_not_reached ();
1377         }
1378
1379         DEBUG ("Was composing: %s now composing: %s",
1380                 was_composing ? "yes" : "no",
1381                 priv->compositors ? "yes" : "no");
1382
1383         if ((was_composing && !priv->compositors) ||
1384             (!was_composing && priv->compositors)) {
1385                 /* Composing state changed */
1386                 g_signal_emit (chat, signals[COMPOSING], 0,
1387                                priv->compositors != NULL);
1388         }
1389 }
1390
1391 static void
1392 chat_message_received (EmpathyChat *chat,
1393         EmpathyMessage *message,
1394         gboolean pending)
1395 {
1396         EmpathyChatPriv *priv = GET_PRIV (chat);
1397         EmpathyContact  *sender;
1398
1399         sender = empathy_message_get_sender (message);
1400
1401         if (empathy_message_is_edit (message)) {
1402                 DEBUG ("Editing message '%s' to '%s'",
1403                         empathy_message_get_supersedes (message),
1404                         empathy_message_get_body (message));
1405
1406                 empathy_chat_view_edit_message (chat->view, message);
1407         } else {
1408                 DEBUG ("Appending new message '%s' from %s (%d)",
1409                         empathy_message_get_token (message),
1410                         empathy_contact_get_alias (sender),
1411                         empathy_contact_get_handle (sender));
1412
1413                 empathy_chat_view_append_message (chat->view, message);
1414
1415                 if (empathy_message_is_incoming (message)) {
1416                         priv->unread_messages++;
1417                         g_object_notify (G_OBJECT (chat), "nb-unread-messages");
1418                 }
1419
1420                 g_signal_emit (chat, signals[NEW_MESSAGE], 0, message, pending);
1421         }
1422
1423         /* We received a message so the contact is no longer
1424          * composing */
1425         chat_state_changed_cb (priv->tp_chat, sender,
1426                                TP_CHANNEL_CHAT_STATE_ACTIVE,
1427                                chat);
1428 }
1429
1430 static void
1431 chat_message_received_cb (EmpathyTpChat  *tp_chat,
1432                           EmpathyMessage *message,
1433                           EmpathyChat    *chat)
1434 {
1435         chat_message_received (chat, message, FALSE);
1436 }
1437
1438 static void
1439 chat_message_acknowledged_cb (EmpathyTpChat  *tp_chat,
1440                               EmpathyMessage *message,
1441                               EmpathyChat    *chat)
1442 {
1443         EmpathyChatPriv *priv = GET_PRIV (chat);
1444
1445         empathy_chat_view_message_acknowledged (chat->view,
1446             message);
1447
1448         if (!empathy_message_is_edit (message)) {
1449                 priv->unread_messages--;
1450                 g_object_notify (G_OBJECT (chat), "nb-unread-messages");
1451         }
1452 }
1453
1454 static void
1455 chat_send_error_cb (EmpathyTpChat          *tp_chat,
1456                     const gchar            *message_body,
1457                     TpChannelTextSendError  error_code,
1458                     const gchar            *dbus_error,
1459                     EmpathyChat            *chat)
1460 {
1461         const gchar *error = NULL;
1462         gchar       *str;
1463
1464         if (!tp_strdiff (dbus_error, TP_ERROR_STR_INSUFFICIENT_BALANCE)) {
1465                 /* translators: error used when user doesn't have enough credit on his
1466                  * account to send the message. */
1467                 error = _("insufficient balance to send message");
1468         } else if (!tp_strdiff (dbus_error, TP_ERROR_STR_NOT_CAPABLE)) {
1469                 error = _("not capable");
1470         }
1471
1472         if (error == NULL) {
1473                 /* if we didn't find a dbus-error, try the old error */
1474                 switch (error_code) {
1475                 case TP_CHANNEL_TEXT_SEND_ERROR_OFFLINE:
1476                         error = _("offline");
1477                         break;
1478                 case TP_CHANNEL_TEXT_SEND_ERROR_INVALID_CONTACT:
1479                         error = _("invalid contact");
1480                         break;
1481                 case TP_CHANNEL_TEXT_SEND_ERROR_PERMISSION_DENIED:
1482                         error = _("permission denied");
1483                         break;
1484                 case TP_CHANNEL_TEXT_SEND_ERROR_TOO_LONG:
1485                         error = _("too long message");
1486                         break;
1487                 case TP_CHANNEL_TEXT_SEND_ERROR_NOT_IMPLEMENTED:
1488                         error = _("not implemented");
1489                         break;
1490                 case TP_CHANNEL_TEXT_SEND_ERROR_UNKNOWN:
1491                 default:
1492                         error = _("unknown");
1493                         break;
1494                 }
1495         }
1496
1497         if (message_body != NULL) {
1498                         str = g_strdup_printf (_("Error sending message '%s': %s"),
1499                                 message_body, error);
1500         }
1501         else {
1502                         str = g_strdup_printf (_("Error sending message: %s"), error);
1503         }
1504
1505         empathy_chat_view_append_event (chat->view, str);
1506         g_free (str);
1507 }
1508
1509 static void
1510 chat_topic_label_size_allocate_cb (GtkLabel *label,
1511                                    GtkAllocation *allocation,
1512                                    EmpathyChat *chat)
1513 {
1514         EmpathyChatPriv *priv = GET_PRIV (chat);
1515
1516         if (!gtk_label_get_line_wrap (label)) {
1517                 if (pango_layout_is_ellipsized (gtk_label_get_layout (label)))
1518                         gtk_widget_show (priv->expander_topic);
1519                 else
1520                         gtk_widget_hide (priv->expander_topic);
1521
1522                 return;
1523         }
1524 }
1525
1526 static void
1527 chat_topic_expander_activate_cb (GtkExpander *expander,
1528                                  GParamSpec *param_spec,
1529                                  EmpathyChat *chat)
1530 {
1531         EmpathyChatPriv *priv = GET_PRIV (chat);
1532
1533         if (gtk_expander_get_expanded (expander)) {
1534                 gtk_label_set_ellipsize (GTK_LABEL (priv->label_topic), PANGO_ELLIPSIZE_NONE);
1535                 gtk_label_set_line_wrap (GTK_LABEL (priv->label_topic), TRUE);
1536         } else {
1537                 gtk_label_set_ellipsize (GTK_LABEL (priv->label_topic), PANGO_ELLIPSIZE_END);
1538                 gtk_label_set_line_wrap (GTK_LABEL (priv->label_topic), FALSE);
1539         }
1540 }
1541
1542 static void
1543 chat_property_changed_cb (EmpathyTpChat *tp_chat,
1544                           const gchar   *name,
1545                           GValue        *value,
1546                           EmpathyChat   *chat)
1547 {
1548         EmpathyChatPriv *priv = GET_PRIV (chat);
1549
1550         if (!tp_strdiff (name, "subject")) {
1551                 g_free (priv->subject);
1552                 priv->subject = g_value_dup_string (value);
1553                 g_object_notify (G_OBJECT (chat), "subject");
1554
1555                 if (EMP_STR_EMPTY (priv->subject)) {
1556                         gtk_widget_hide (priv->hbox_topic);
1557                 } else {
1558                         gchar *markup_topic;
1559                         gchar *markup_text;
1560
1561                         markup_topic = empathy_add_link_markup (priv->subject);
1562                         markup_text = g_strdup_printf ("<span weight=\"bold\">%s</span> %s",
1563                                 _("Topic:"), markup_topic);
1564
1565                         gtk_label_set_markup (GTK_LABEL (priv->label_topic), markup_text);
1566                         g_free (markup_text);
1567                         g_free (markup_topic);
1568
1569                         gtk_widget_show (priv->hbox_topic);
1570                 }
1571                 if (priv->block_events_timeout_id == 0) {
1572                         gchar *str;
1573
1574                         if (!EMP_STR_EMPTY (priv->subject)) {
1575                                 str = g_strdup_printf (_("Topic set to: %s"), priv->subject);
1576                         } else {
1577                                 str = g_strdup (_("No topic defined"));
1578                         }
1579                         empathy_chat_view_append_event (EMPATHY_CHAT (chat)->view, str);
1580                         g_free (str);
1581                 }
1582         }
1583         else if (!tp_strdiff (name, "name")) {
1584                 g_free (priv->name);
1585                 priv->name = g_value_dup_string (value);
1586                 g_object_notify (G_OBJECT (chat), "name");
1587         }
1588 }
1589
1590 static gboolean
1591 chat_input_text_get_word_from_iter (GtkTextIter   *iter,
1592                                     GtkTextIter   *start,
1593                                     GtkTextIter   *end)
1594 {
1595         GtkTextIter word_start = *iter;
1596         GtkTextIter word_end = *iter;
1597         GtkTextIter tmp;
1598
1599         if (gtk_text_iter_inside_word (&word_end) &&
1600                         !gtk_text_iter_ends_word (&word_end)) {
1601                 gtk_text_iter_forward_word_end (&word_end);
1602         }
1603
1604         tmp = word_end;
1605
1606         if (gtk_text_iter_get_char (&tmp) == '\'') {
1607                 gtk_text_iter_forward_char (&tmp);
1608
1609                 if (g_unichar_isalpha (gtk_text_iter_get_char (&tmp))) {
1610                         gtk_text_iter_forward_word_end (&word_end);
1611                 }
1612         }
1613
1614
1615         if (gtk_text_iter_inside_word (&word_start) ||
1616                         gtk_text_iter_ends_word (&word_start)) {
1617                 if (!gtk_text_iter_starts_word (&word_start) ||
1618                                 gtk_text_iter_equal (&word_start, &word_end)) {
1619                         gtk_text_iter_backward_word_start (&word_start);
1620                 }
1621
1622                 tmp = word_start;
1623                 gtk_text_iter_backward_char (&tmp);
1624
1625                 if (gtk_text_iter_get_char (&tmp) == '\'') {
1626                         gtk_text_iter_backward_char (&tmp);
1627
1628                         if (g_unichar_isalpha (gtk_text_iter_get_char (&tmp))) {
1629                                 gtk_text_iter_backward_word_start (&word_start);
1630                         }
1631                 }
1632         }
1633
1634         *start = word_start;
1635         *end = word_end;
1636         return TRUE;
1637 }
1638
1639 static void
1640 chat_input_text_buffer_insert_text_cb (GtkTextBuffer *buffer,
1641                                        GtkTextIter   *location,
1642                                        gchar         *text,
1643                                        gint           len,
1644                                        EmpathyChat   *chat)
1645 {
1646         GtkTextIter iter, pos;
1647
1648         /* Remove all misspelled tags in the inserted text.
1649          * This happens when text is inserted within a misspelled word. */
1650         gtk_text_buffer_get_iter_at_offset (buffer, &iter,
1651                                             gtk_text_iter_get_offset (location) - len);
1652         gtk_text_buffer_remove_tag_by_name (buffer, "misspelled",
1653                                             &iter, location);
1654
1655         gtk_text_buffer_get_iter_at_mark (buffer, &pos, gtk_text_buffer_get_insert (buffer));
1656
1657         do {
1658                 GtkTextIter start, end;
1659                 gchar *str;
1660
1661                 if (!chat_input_text_get_word_from_iter (&iter, &start, &end))
1662                         continue;
1663
1664                 str = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
1665
1666                 if (gtk_text_iter_in_range (&pos, &start, &end) ||
1667                                 gtk_text_iter_equal (&pos, &end) ||
1668                                 empathy_spell_check (str)) {
1669                         gtk_text_buffer_remove_tag_by_name (buffer, "misspelled", &start, &end);
1670                 } else {
1671                         gtk_text_buffer_apply_tag_by_name (buffer, "misspelled", &start, &end);
1672                 }
1673
1674                 g_free (str);
1675
1676         } while (gtk_text_iter_forward_word_end (&iter) &&
1677                  gtk_text_iter_compare (&iter, location) <= 0);
1678 }
1679
1680 static void
1681 chat_input_text_buffer_delete_range_cb (GtkTextBuffer *buffer,
1682                                         GtkTextIter   *start,
1683                                         GtkTextIter   *end,
1684                                         EmpathyChat   *chat)
1685 {
1686         GtkTextIter word_start, word_end;
1687
1688         if (chat_input_text_get_word_from_iter (start, &word_start, &word_end)) {
1689                 gtk_text_buffer_remove_tag_by_name (buffer, "misspelled",
1690                                                     &word_start, &word_end);
1691         }
1692 }
1693
1694 static void
1695 chat_input_text_buffer_changed_cb (GtkTextBuffer *buffer,
1696                                    EmpathyChat    *chat)
1697 {
1698         if (gtk_text_buffer_get_char_count (buffer) == 0) {
1699                 chat_composing_stop (chat);
1700         } else {
1701                 chat_composing_start (chat);
1702         }
1703 }
1704
1705 static void
1706 chat_input_text_buffer_notify_cursor_position_cb (GtkTextBuffer *buffer,
1707                                                   GParamSpec    *pspec,
1708                                                   EmpathyChat    *chat)
1709 {
1710         GtkTextIter pos;
1711         GtkTextIter prev_pos;
1712         GtkTextIter word_start;
1713         GtkTextIter word_end;
1714         GtkTextMark *mark;
1715         gchar *str;
1716
1717         mark = gtk_text_buffer_get_mark (buffer, "previous-cursor-position");
1718
1719         gtk_text_buffer_get_iter_at_mark (buffer, &pos,
1720                                           gtk_text_buffer_get_insert (buffer));
1721         gtk_text_buffer_get_iter_at_mark (buffer, &prev_pos, mark);
1722
1723         if (!chat_input_text_get_word_from_iter (&prev_pos, &word_start, &word_end))
1724                 goto out;
1725
1726         if (!gtk_text_iter_in_range (&pos, &word_start, &word_end) &&
1727                         !gtk_text_iter_equal (&pos, &word_end)) {
1728                 str = gtk_text_buffer_get_text (buffer,
1729                                         &word_start, &word_end, FALSE);
1730
1731                 if (!empathy_spell_check (str)) {
1732                         gtk_text_buffer_apply_tag_by_name (buffer,
1733                                         "misspelled", &word_start, &word_end);
1734                 } else {
1735                         gtk_text_buffer_remove_tag_by_name (buffer,
1736                                         "misspelled", &word_start, &word_end);
1737                 }
1738
1739                 g_free (str);
1740         }
1741
1742 out:
1743         gtk_text_buffer_move_mark (buffer, mark, &pos);
1744 }
1745
1746 static gboolean
1747 empathy_isspace_cb (gunichar c,
1748                  gpointer data)
1749 {
1750         return g_unichar_isspace (c);
1751 }
1752
1753 static gboolean
1754 chat_input_key_press_event_cb (GtkWidget   *widget,
1755                                GdkEventKey *event,
1756                                EmpathyChat *chat)
1757 {
1758         EmpathyChatPriv *priv;
1759         GtkAdjustment  *adj;
1760         gdouble         val;
1761         GtkWidget      *text_view_sw;
1762
1763         priv = GET_PRIV (chat);
1764
1765         priv->most_recent_event_type = event->type;
1766
1767         /* Catch ctrl+up/down so we can traverse messages we sent */
1768         if ((event->state & GDK_CONTROL_MASK) &&
1769             (event->keyval == GDK_KEY_Up ||
1770              event->keyval == GDK_KEY_Down)) {
1771                 GtkTextBuffer *buffer;
1772                 const gchar   *str;
1773
1774                 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1775                 chat_input_history_update (chat, buffer);
1776
1777                 if (event->keyval == GDK_KEY_Up) {
1778                         str = chat_input_history_get_next (chat);
1779                 } else {
1780                         str = chat_input_history_get_prev (chat);
1781                 }
1782
1783                 g_signal_handlers_block_by_func (buffer,
1784                                                  chat_input_text_buffer_changed_cb,
1785                                                  chat);
1786                 gtk_text_buffer_set_text (buffer, str ? str : "", -1);
1787                 g_signal_handlers_unblock_by_func (buffer,
1788                                                    chat_input_text_buffer_changed_cb,
1789                                                    chat);
1790
1791                 return TRUE;
1792         }
1793
1794         /* Catch enter but not ctrl/shift-enter */
1795         if (IS_ENTER (event->keyval) &&
1796             !(event->state & (GDK_SHIFT_MASK | GDK_CONTROL_MASK))) {
1797                 GtkTextView *view;
1798
1799                 /* This is to make sure that kinput2 gets the enter. And if
1800                  * it's handled there we shouldn't send on it. This is because
1801                  * kinput2 uses Enter to commit letters. See:
1802                  * http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=104299
1803                  */
1804
1805                 view = GTK_TEXT_VIEW (chat->input_text_view);
1806                 if (gtk_text_view_im_context_filter_keypress (view, event)) {
1807                         gtk_text_view_reset_im_context (view);
1808                         return TRUE;
1809                 }
1810
1811                 chat_input_text_view_send (chat);
1812                 return TRUE;
1813         }
1814
1815         text_view_sw = gtk_widget_get_parent (GTK_WIDGET (chat->view));
1816
1817         if (IS_ENTER (event->keyval) &&
1818             (event->state & (GDK_SHIFT_MASK | GDK_CONTROL_MASK))) {
1819                 /* Newline for shift/control-enter. */
1820                 return FALSE;
1821         }
1822         if (!(event->state & GDK_CONTROL_MASK) &&
1823             event->keyval == GDK_KEY_Page_Up) {
1824                 adj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (text_view_sw));
1825                 gtk_adjustment_set_value (adj, gtk_adjustment_get_value (adj) - gtk_adjustment_get_page_size (adj));
1826                 return TRUE;
1827         }
1828         if ((event->state & GDK_CONTROL_MASK) != GDK_CONTROL_MASK &&
1829             event->keyval == GDK_KEY_Page_Down) {
1830                 adj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (text_view_sw));
1831                 val = MIN (gtk_adjustment_get_value (adj) + gtk_adjustment_get_page_size (adj),
1832                            gtk_adjustment_get_upper (adj) - gtk_adjustment_get_page_size (adj));
1833                 gtk_adjustment_set_value (adj, val);
1834                 return TRUE;
1835         }
1836         if (event->keyval == GDK_KEY_Escape) {
1837                 empathy_search_bar_hide (EMPATHY_SEARCH_BAR (priv->search_bar));
1838         }
1839         if (!(event->state & (GDK_CONTROL_MASK | GDK_SHIFT_MASK)) &&
1840             event->keyval == GDK_KEY_Tab) {
1841                 GtkTextBuffer *buffer;
1842                 GtkTextIter    start, current;
1843                 gchar         *nick, *completed;
1844                 GList         *list, *completed_list;
1845                 gboolean       is_start_of_buffer;
1846
1847                 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (EMPATHY_CHAT (chat)->input_text_view));
1848                 gtk_text_buffer_get_iter_at_mark (buffer, &current, gtk_text_buffer_get_insert (buffer));
1849
1850                 /* Get the start of the nick to complete. */
1851                 gtk_text_buffer_get_iter_at_mark (buffer, &start, gtk_text_buffer_get_insert (buffer));
1852                 if (gtk_text_iter_backward_find_char (&start, &empathy_isspace_cb, NULL, NULL)) {
1853                         gtk_text_iter_set_offset (&start, gtk_text_iter_get_offset (&start) + 1);
1854                 }
1855                 is_start_of_buffer = gtk_text_iter_is_start (&start);
1856
1857                 list = empathy_contact_list_get_members (EMPATHY_CONTACT_LIST (priv->tp_chat));
1858                 g_completion_add_items (priv->completion, list);
1859
1860                 nick = gtk_text_buffer_get_text (buffer, &start, &current, FALSE);
1861                 completed_list = g_completion_complete (priv->completion,
1862                                                         nick,
1863                                                         &completed);
1864
1865                 g_free (nick);
1866
1867                 if (completed) {
1868                         guint        len;
1869                         const gchar *text;
1870                         GString     *message = NULL;
1871                         GList       *l;
1872
1873                         gtk_text_buffer_delete (buffer, &start, &current);
1874
1875                         len = g_list_length (completed_list);
1876
1877                         if (len == 1) {
1878                                 /* If we only have one hit, use that text
1879                                  * instead of the text in completed since the
1880                                  * completed text will use the typed string
1881                                  * which might be cased all wrong.
1882                                  * Fixes #120876
1883                                  * */
1884                                 text = empathy_contact_get_alias (completed_list->data);
1885                         } else {
1886                                 text = completed;
1887
1888                                 /* Print all hits to the scrollback view, so the
1889                                  * user knows what possibilities he has.
1890                                  * Fixes #599779
1891                                  * */
1892                                  message = g_string_new ("");
1893                                  for (l = completed_list; l != NULL; l = l->next) {
1894                                         g_string_append (message, empathy_contact_get_alias (l->data));
1895                                         g_string_append (message, " - ");
1896                                  }
1897                                  empathy_chat_view_append_event (chat->view, message->str);
1898                                  g_string_free (message, TRUE);
1899                         }
1900
1901                         gtk_text_buffer_insert_at_cursor (buffer, text, strlen (text));
1902
1903                         if (len == 1 && is_start_of_buffer) {
1904                             gchar *complete_char;
1905
1906                             complete_char = g_settings_get_string (
1907                                     priv->gsettings_chat,
1908                                     EMPATHY_PREFS_CHAT_NICK_COMPLETION_CHAR);
1909
1910                             if (complete_char != NULL) {
1911                                 gtk_text_buffer_insert_at_cursor (buffer,
1912                                                                   complete_char,
1913                                                                   strlen (complete_char));
1914                                 gtk_text_buffer_insert_at_cursor (buffer, " ", 1);
1915                                 g_free (complete_char);
1916                             }
1917                         }
1918
1919                         g_free (completed);
1920                 }
1921
1922                 g_completion_clear_items (priv->completion);
1923
1924                 g_list_foreach (list, (GFunc) g_object_unref, NULL);
1925                 g_list_free (list);
1926
1927                 return TRUE;
1928         }
1929
1930         return FALSE;
1931 }
1932
1933 static gboolean
1934 chat_text_view_focus_in_event_cb (GtkWidget  *widget,
1935                                   GdkEvent   *event,
1936                                   EmpathyChat *chat)
1937 {
1938         gtk_widget_grab_focus (chat->input_text_view);
1939
1940         return TRUE;
1941 }
1942
1943 static void
1944 chat_input_realize_cb (GtkWidget   *widget,
1945                        EmpathyChat *chat)
1946 {
1947         DEBUG ("Setting focus to the input text view");
1948         if (gtk_widget_is_sensitive (widget)) {
1949                 gtk_widget_grab_focus (widget);
1950         }
1951 }
1952
1953 static void
1954 chat_input_has_focus_notify_cb (GtkWidget   *widget,
1955                                 GParamSpec  *pspec,
1956                                 EmpathyChat *chat)
1957 {
1958         empathy_chat_view_focus_toggled (chat->view, gtk_widget_has_focus (widget));
1959 }
1960
1961 static void
1962 chat_insert_smiley_activate_cb (EmpathySmileyManager *manager,
1963                                 EmpathySmiley        *smiley,
1964                                 gpointer              user_data)
1965 {
1966         EmpathyChat   *chat = EMPATHY_CHAT (user_data);
1967         GtkTextBuffer *buffer;
1968         GtkTextIter    iter;
1969
1970         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1971
1972         gtk_text_buffer_get_end_iter (buffer, &iter);
1973         gtk_text_buffer_insert (buffer, &iter, smiley->str, -1);
1974
1975         gtk_text_buffer_get_end_iter (buffer, &iter);
1976         gtk_text_buffer_insert (buffer, &iter, " ", -1);
1977 }
1978
1979 typedef struct {
1980         EmpathyChat  *chat;
1981         gchar       *word;
1982
1983         GtkTextIter  start;
1984         GtkTextIter  end;
1985 } EmpathyChatSpell;
1986
1987 static EmpathyChatSpell *
1988 chat_spell_new (EmpathyChat  *chat,
1989                 const gchar *word,
1990                 GtkTextIter  start,
1991                 GtkTextIter  end)
1992 {
1993         EmpathyChatSpell *chat_spell;
1994
1995         chat_spell = g_slice_new0 (EmpathyChatSpell);
1996
1997         chat_spell->chat = g_object_ref (chat);
1998         chat_spell->word = g_strdup (word);
1999         chat_spell->start = start;
2000         chat_spell->end = end;
2001
2002         return chat_spell;
2003 }
2004
2005 static void
2006 chat_spell_free (EmpathyChatSpell *chat_spell)
2007 {
2008         g_object_unref (chat_spell->chat);
2009         g_free (chat_spell->word);
2010         g_slice_free (EmpathyChatSpell, chat_spell);
2011 }
2012
2013 static void
2014 chat_spelling_menu_activate_cb (GtkMenuItem     *menu_item,
2015                                                 EmpathyChatSpell *chat_spell)
2016 {
2017     empathy_chat_correct_word (chat_spell->chat,
2018                                &(chat_spell->start),
2019                                &(chat_spell->end),
2020                                gtk_menu_item_get_label (menu_item));
2021 }
2022
2023
2024 static GtkWidget *
2025 chat_spelling_build_suggestions_menu (const gchar *code,
2026                                       EmpathyChatSpell *chat_spell)
2027 {
2028         GList     *suggestions, *l;
2029         GtkWidget *menu, *menu_item;
2030
2031         suggestions = empathy_spell_get_suggestions (code, chat_spell->word);
2032         if (suggestions == NULL)
2033                 return NULL;
2034
2035         menu = gtk_menu_new ();
2036         for (l = suggestions; l; l = l->next) {
2037                 menu_item = gtk_menu_item_new_with_label (l->data);
2038                 g_signal_connect (G_OBJECT (menu_item), "activate",
2039                                   G_CALLBACK (chat_spelling_menu_activate_cb),
2040                                   chat_spell);
2041                 gtk_menu_shell_append (GTK_MENU_SHELL (menu), menu_item);
2042         }
2043         empathy_spell_free_suggestions (suggestions);
2044
2045         gtk_widget_show_all (menu);
2046
2047         return menu;
2048 }
2049
2050 static GtkWidget *
2051 chat_spelling_build_menu (EmpathyChatSpell *chat_spell)
2052 {
2053         GtkWidget *menu, *submenu, *item;
2054         GList     *codes, *l;
2055
2056         codes = empathy_spell_get_enabled_language_codes ();
2057         g_assert (codes != NULL);
2058
2059         if (g_list_length (codes) > 1) {
2060                 menu = gtk_menu_new ();
2061
2062                 for (l = codes; l; l = l->next) {
2063                         const gchar *code, *name;
2064
2065                         code = l->data;
2066                         name = empathy_spell_get_language_name (code);
2067                         if (!name)
2068                                 continue;
2069
2070                         item = gtk_image_menu_item_new_with_label (name);
2071
2072                         submenu = chat_spelling_build_suggestions_menu (
2073                                         code, chat_spell);
2074                         if (submenu == NULL)
2075                                 gtk_widget_set_sensitive (item, FALSE);
2076                         else
2077                                 gtk_menu_item_set_submenu (GTK_MENU_ITEM (item),
2078                                                            submenu);
2079                         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
2080                 }
2081         } else {
2082                 menu = chat_spelling_build_suggestions_menu (codes->data,
2083                                                              chat_spell);
2084                 if (menu == NULL) {
2085                         menu = gtk_menu_new ();
2086                         item = gtk_menu_item_new_with_label (_("(No Suggestions)"));
2087                         gtk_widget_set_sensitive (item, FALSE);
2088                         gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
2089                 }
2090         }
2091         g_list_free (codes);
2092
2093         gtk_widget_show_all (menu);
2094
2095         return menu;
2096 }
2097
2098 typedef struct {
2099         EmpathyChat  *chat;
2100         gchar        *word;
2101         gchar        *code;
2102 } EmpathyChatWord;
2103
2104 static EmpathyChatWord *
2105 chat_word_new (EmpathyChat  *chat,
2106                 const gchar  *word,
2107                 const gchar  *code)
2108 {
2109         EmpathyChatWord *chat_word;
2110
2111         chat_word = g_slice_new0 (EmpathyChatWord);
2112
2113         chat_word->chat = g_object_ref (chat);
2114         chat_word->word = g_strdup (word);
2115         chat_word->code = g_strdup (code);
2116
2117         return chat_word;
2118 }
2119
2120 static void
2121 chat_word_free (EmpathyChatWord *chat_word)
2122 {
2123         g_object_unref (chat_word->chat);
2124         g_free (chat_word->word);
2125         g_free (chat_word->code);
2126         g_slice_free (EmpathyChatWord, chat_word);
2127 }
2128
2129 static void
2130 chat_add_to_dictionary_activate_cb (GtkMenuItem     *menu_item,
2131                                     EmpathyChatWord *chat_word)
2132 {
2133         EmpathyChatPriv *priv = GET_PRIV (chat_word->chat);
2134
2135         empathy_spell_add_to_dictionary (chat_word->code,
2136                                          chat_word->word);
2137         priv->update_misspelled_words_id =
2138                 g_idle_add (update_misspelled_words, chat_word->chat);
2139 }
2140
2141 static GtkWidget *
2142 chat_spelling_build_add_to_dictionary_item (EmpathyChatSpell *chat_spell)
2143 {
2144         GtkWidget       *menu, *item, *lang_item, *image;
2145         GList           *codes, *l;
2146         gchar           *label;
2147         const gchar     *code, *name;
2148         EmpathyChatWord *chat_word;
2149
2150         codes = empathy_spell_get_enabled_language_codes ();
2151         g_assert (codes != NULL);
2152         if (g_list_length (codes) > 1) {
2153                 /* translators: %s is the selected word */
2154                 label = g_strdup_printf (_("Add '%s' to Dictionary"),
2155                                         chat_spell->word);
2156                 item = gtk_image_menu_item_new_with_mnemonic (label);
2157                 g_free (label);
2158                 image = gtk_image_new_from_icon_name (GTK_STOCK_ADD,
2159                                                       GTK_ICON_SIZE_MENU);
2160                 gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item),
2161                                                image);
2162
2163                 menu = gtk_menu_new ();
2164
2165                 for (l = codes; l; l = l->next) {
2166                         code = l->data;
2167                         name = empathy_spell_get_language_name (code);
2168                         if (name == NULL)
2169                                 continue;
2170
2171                         lang_item = gtk_image_menu_item_new_with_label (name);
2172
2173                         chat_word= chat_word_new (chat_spell->chat,
2174                                                   chat_spell->word, code);
2175                         g_object_set_data_full (G_OBJECT (lang_item),
2176                                 "chat-word", chat_word,
2177                                 (GDestroyNotify) chat_word_free);
2178
2179                         g_signal_connect (G_OBJECT (lang_item), "activate",
2180                                 G_CALLBACK (chat_add_to_dictionary_activate_cb),
2181                                 chat_word);
2182                         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), lang_item);
2183                 }
2184                 gtk_menu_item_set_submenu (GTK_MENU_ITEM (item), menu);
2185         } else {
2186                 code = codes->data;
2187                 name = empathy_spell_get_language_name (code);
2188                 g_assert (name != NULL);
2189                 /* translators: first %s is the selected word,
2190                  * second %s is the language name of the target dictionary */
2191                 label = g_strdup_printf (_("Add '%s' to %s Dictionary"),
2192                                         chat_spell->word, name);
2193                 item = gtk_image_menu_item_new_with_mnemonic (label);
2194                 g_free (label);
2195                 image = gtk_image_new_from_icon_name (GTK_STOCK_ADD,
2196                                                       GTK_ICON_SIZE_MENU);
2197                 gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item), image);
2198
2199                 chat_word = chat_word_new (chat_spell->chat, chat_spell->word,
2200                                            code);
2201                 g_object_set_data_full (G_OBJECT (item), "chat-word", chat_word,
2202                                         (GDestroyNotify) chat_word_free);
2203
2204                 g_signal_connect (G_OBJECT (item), "activate",
2205                                   G_CALLBACK (chat_add_to_dictionary_activate_cb),
2206                                   chat_word);
2207         }
2208         g_list_free (codes);
2209
2210         gtk_widget_show_all (item);
2211
2212         return item;
2213 }
2214
2215 static void
2216 chat_text_send_cb (GtkMenuItem *menuitem,
2217                    EmpathyChat *chat)
2218 {
2219         chat_input_text_view_send (chat);
2220 }
2221
2222 static gboolean
2223 chat_input_button_press_event_cb (GtkTextView    *view,
2224                                   GdkEventButton *event,
2225                                   EmpathyChat    *chat)
2226 {
2227         EmpathyChatPriv *priv = GET_PRIV (chat);
2228
2229         priv->most_recent_event_type = event->type;
2230
2231         return FALSE;
2232 }
2233
2234 static void
2235 chat_input_populate_popup_cb (GtkTextView *view,
2236                               GtkMenu     *menu,
2237                               EmpathyChat *chat)
2238 {
2239         EmpathyChatPriv      *priv = GET_PRIV (chat);
2240         GtkTextBuffer        *buffer;
2241         GtkTextTagTable      *table;
2242         GtkTextTag           *tag;
2243         gint                  x, y;
2244         GtkTextIter           iter, start, end;
2245         GtkWidget            *item;
2246         gchar                *str = NULL;
2247         EmpathyChatSpell     *chat_spell;
2248         GtkWidget            *spell_menu;
2249         GtkWidget            *spell_item;
2250         EmpathySmileyManager *smiley_manager;
2251         GtkWidget            *smiley_menu;
2252         GtkWidget            *image;
2253
2254         buffer = gtk_text_view_get_buffer (view);
2255
2256         /* Add the emoticon menu. */
2257         item = gtk_separator_menu_item_new ();
2258         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
2259         gtk_widget_show (item);
2260
2261         item = gtk_image_menu_item_new_with_mnemonic (_("Insert Smiley"));
2262         image = gtk_image_new_from_icon_name ("face-smile",
2263                                               GTK_ICON_SIZE_MENU);
2264         gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item), image);
2265         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
2266         gtk_widget_show (item);
2267
2268         smiley_manager = empathy_smiley_manager_dup_singleton ();
2269         smiley_menu = empathy_smiley_menu_new (smiley_manager,
2270                                                chat_insert_smiley_activate_cb,
2271                                                chat);
2272         gtk_menu_item_set_submenu (GTK_MENU_ITEM (item), smiley_menu);
2273         g_object_unref (smiley_manager);
2274
2275         /* Add the Send menu item. */
2276         gtk_text_buffer_get_bounds (buffer, &start, &end);
2277         str = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
2278         if (!EMP_STR_EMPTY (str)) {
2279                 item = gtk_menu_item_new_with_mnemonic (_("_Send"));
2280                 g_signal_connect (G_OBJECT (item), "activate",
2281                                   G_CALLBACK (chat_text_send_cb), chat);
2282                 gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
2283                 gtk_widget_show (item);
2284         }
2285         str = NULL;
2286
2287         /* Add the spell check menu item. */
2288         table = gtk_text_buffer_get_tag_table (buffer);
2289         tag = gtk_text_tag_table_lookup (table, "misspelled");
2290
2291         switch (priv->most_recent_event_type) {
2292             case GDK_BUTTON_PRESS:
2293                 /* get the location from the pointer */
2294                 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
2295                 gtk_text_view_window_to_buffer_coords (GTK_TEXT_VIEW (view),
2296                                                        GTK_TEXT_WINDOW_WIDGET,
2297                                                        x, y,
2298                                                        &x, &y);
2299                 gtk_text_view_get_iter_at_location (GTK_TEXT_VIEW (view),
2300                                                     &iter, x, y);
2301                 break;
2302
2303             default:
2304                 g_warn_if_reached ();
2305                 /* assume the KEY_PRESS case */
2306
2307             case GDK_KEY_PRESS:
2308                 /* get the location from the cursor */
2309                 gtk_text_buffer_get_iter_at_mark (buffer, &iter,
2310                                 gtk_text_buffer_get_insert (buffer));
2311                 break;
2312
2313         }
2314
2315         start = end = iter;
2316         if (gtk_text_iter_backward_to_tag_toggle (&start, tag) &&
2317             gtk_text_iter_forward_to_tag_toggle (&end, tag)) {
2318
2319                 str = gtk_text_buffer_get_text (buffer,
2320                                                 &start, &end, FALSE);
2321         }
2322         if (!EMP_STR_EMPTY (str)) {
2323                 chat_spell = chat_spell_new (chat, str, start, end);
2324                 g_object_set_data_full (G_OBJECT (menu),
2325                                         "chat-spell", chat_spell,
2326                                         (GDestroyNotify) chat_spell_free);
2327
2328                 item = gtk_separator_menu_item_new ();
2329                 gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
2330                 gtk_widget_show (item);
2331
2332                 /* Spelling suggestions */
2333                 item = gtk_image_menu_item_new_with_mnemonic (_("_Spelling Suggestions"));
2334                 image = gtk_image_new_from_icon_name (GTK_STOCK_SPELL_CHECK,
2335                                                       GTK_ICON_SIZE_MENU);
2336                 gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item), image);
2337
2338                 spell_menu = chat_spelling_build_menu (chat_spell);
2339                 gtk_menu_item_set_submenu (GTK_MENU_ITEM (item), spell_menu);
2340
2341
2342                 spell_item = gtk_separator_menu_item_new ();
2343                 gtk_menu_shell_append (GTK_MENU_SHELL (spell_menu), spell_item);
2344                 gtk_widget_show (spell_item);
2345
2346                 /* Add to dictionary */
2347                 spell_item = chat_spelling_build_add_to_dictionary_item (chat_spell);
2348
2349                 gtk_menu_shell_append (GTK_MENU_SHELL (spell_menu), spell_item);
2350                 gtk_widget_show (spell_item);
2351
2352                 gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
2353                 gtk_widget_show (item);
2354         }
2355 }
2356
2357
2358 static gboolean
2359 chat_log_filter (TplEvent *event,
2360                  gpointer user_data)
2361 {
2362         EmpathyChat *chat = user_data;
2363         EmpathyMessage *message;
2364         EmpathyChatPriv *priv = GET_PRIV (chat);
2365         const GList *pending;
2366
2367         g_return_val_if_fail (TPL_IS_EVENT (event), FALSE);
2368         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), FALSE);
2369
2370         pending = empathy_tp_chat_get_pending_messages (priv->tp_chat);
2371         message = empathy_message_from_tpl_log_event (event);
2372
2373         for (; pending; pending = g_list_next (pending)) {
2374                 if (empathy_message_equal (message, pending->data)) {
2375                         g_object_unref (message);
2376                         return FALSE;
2377                 }
2378         }
2379
2380         g_object_unref (message);
2381         return TRUE;
2382 }
2383
2384
2385 static void
2386 show_pending_messages (EmpathyChat *chat) {
2387         EmpathyChatPriv *priv = GET_PRIV (chat);
2388         const GList *messages, *l;
2389
2390         g_return_if_fail (EMPATHY_IS_CHAT (chat));
2391
2392         if (chat->view == NULL || priv->tp_chat == NULL)
2393                 return;
2394
2395         if (!priv->can_show_pending)
2396                 return;
2397
2398         messages = empathy_tp_chat_get_pending_messages (priv->tp_chat);
2399
2400         for (l = messages; l != NULL ; l = g_list_next (l)) {
2401                 EmpathyMessage *message = EMPATHY_MESSAGE (l->data);
2402                 chat_message_received (chat, message, TRUE);
2403         }
2404 }
2405
2406
2407 static void
2408 got_filtered_messages_cb (GObject *manager,
2409                 GAsyncResult *result,
2410                 gpointer user_data)
2411 {
2412         GList *l;
2413         GList *messages;
2414         EmpathyChat *chat = EMPATHY_CHAT (user_data);
2415         EmpathyChatPriv *priv = GET_PRIV (chat);
2416         GError *error = NULL;
2417
2418         if (!tpl_log_manager_get_filtered_events_finish (TPL_LOG_MANAGER (manager),
2419                 result, &messages, &error)) {
2420                 DEBUG ("%s. Aborting.", error->message);
2421                 empathy_chat_view_append_event (chat->view,
2422                         _("Failed to retrieve recent logs"));
2423                 g_error_free (error);
2424                 goto out;
2425         }
2426
2427         for (l = messages; l; l = g_list_next (l)) {
2428                 EmpathyMessage *message;
2429
2430                 g_assert (TPL_IS_EVENT (l->data));
2431
2432                 message = empathy_message_from_tpl_log_event (l->data);
2433                 g_object_unref (l->data);
2434
2435                 if (empathy_message_is_edit (message)) {
2436                         /* this is an edited message, create a synthetic event
2437                          * using the supersedes token and
2438                          * original-message-sent timestamp, that we can then
2439                          * replace */
2440                         EmpathyMessage *syn_msg = g_object_new (
2441                                 EMPATHY_TYPE_MESSAGE,
2442                                 "body", "",
2443                                 "token", empathy_message_get_supersedes (message),
2444                                 "type", empathy_message_get_tptype (message),
2445                                 "timestamp", empathy_message_get_original_timestamp (message),
2446                                 "incoming", empathy_message_is_incoming (message),
2447                                 "is-backlog", TRUE,
2448                                 "receiver", empathy_message_get_receiver (message),
2449                                 "sender", empathy_message_get_sender (message),
2450                                 NULL);
2451
2452                         empathy_chat_view_append_message (chat->view, syn_msg);
2453                         empathy_chat_view_edit_message (chat->view, message);
2454
2455                         g_object_unref (syn_msg);
2456                 } else {
2457                         /* append the latest message */
2458                         empathy_chat_view_append_message (chat->view, message);
2459                 }
2460
2461                 g_object_unref (message);
2462         }
2463         g_list_free (messages);
2464
2465 out:
2466         /* in case of TPL error, skip backlog and show pending messages */
2467         priv->can_show_pending = TRUE;
2468         show_pending_messages (chat);
2469
2470         /* FIXME: See Bug#610994, we are forcing the ACK of the queue. See comments
2471          * about it in EmpathyChatPriv definition */
2472         priv->retrieving_backlogs = FALSE;
2473         empathy_chat_messages_read (chat);
2474
2475         /* Turn back on scrolling */
2476         empathy_chat_view_scroll (chat->view, TRUE);
2477 }
2478
2479 static void
2480 chat_add_logs (EmpathyChat *chat)
2481 {
2482         EmpathyChatPriv *priv = GET_PRIV (chat);
2483         TplEntity       *target;
2484
2485         if (!priv->id) {
2486                 return;
2487         }
2488
2489         /* Turn off scrolling temporarily */
2490         empathy_chat_view_scroll (chat->view, FALSE);
2491
2492         /* Add messages from last conversation */
2493         if (priv->handle_type == TP_HANDLE_TYPE_ROOM)
2494           target = tpl_entity_new_from_room_id (priv->id);
2495         else
2496           target = tpl_entity_new (priv->id, TPL_ENTITY_CONTACT, NULL, NULL);
2497
2498         priv->retrieving_backlogs = TRUE;
2499         tpl_log_manager_get_filtered_events_async (priv->log_manager,
2500                                                    priv->account,
2501                                                    target,
2502                                                    TPL_EVENT_MASK_TEXT,
2503                                                    5,
2504                                                    chat_log_filter,
2505                                                    chat,
2506                                                    got_filtered_messages_cb,
2507                                                    (gpointer) chat);
2508
2509         g_object_unref (target);
2510 }
2511
2512 static gint
2513 chat_contacts_completion_func (const gchar *s1,
2514                                const gchar *s2,
2515                                gsize        n)
2516 {
2517         gchar *tmp, *nick1, *nick2;
2518         gint   ret;
2519
2520         if (s1 == s2) {
2521                 return 0;
2522         }
2523         if (!s1 || !s2) {
2524                 return s1 ? -1 : +1;
2525         }
2526
2527         tmp = g_utf8_normalize (s1, -1, G_NORMALIZE_DEFAULT);
2528         nick1 = g_utf8_casefold (tmp, -1);
2529         g_free (tmp);
2530
2531         tmp = g_utf8_normalize (s2, -1, G_NORMALIZE_DEFAULT);
2532         nick2 = g_utf8_casefold (tmp, -1);
2533         g_free (tmp);
2534
2535         ret = strncmp (nick1, nick2, n);
2536
2537         g_free (nick1);
2538         g_free (nick2);
2539
2540         return ret;
2541 }
2542
2543 static gchar *
2544 build_part_message (guint           reason,
2545                     const gchar    *name,
2546                     EmpathyContact *actor,
2547                     const gchar    *message)
2548 {
2549         GString *s = g_string_new ("");
2550         const gchar *actor_name = NULL;
2551
2552         if (actor != NULL) {
2553                 actor_name = empathy_contact_get_alias (actor);
2554         }
2555
2556         /* Having an actor only really makes sense for a few actions... */
2557         switch (reason) {
2558         case TP_CHANNEL_GROUP_CHANGE_REASON_OFFLINE:
2559                 g_string_append_printf (s, _("%s has disconnected"), name);
2560                 break;
2561         case TP_CHANNEL_GROUP_CHANGE_REASON_KICKED:
2562                 if (actor_name != NULL) {
2563                         /* translators: reverse the order of these arguments
2564                          * if the kicked should come before the kicker in your locale.
2565                          */
2566                         g_string_append_printf (s, _("%1$s was kicked by %2$s"),
2567                                 name, actor_name);
2568                 } else {
2569                         g_string_append_printf (s, _("%s was kicked"), name);
2570                 }
2571                 break;
2572         case TP_CHANNEL_GROUP_CHANGE_REASON_BANNED:
2573                 if (actor_name != NULL) {
2574                         /* translators: reverse the order of these arguments
2575                          * if the banned should come before the banner in your locale.
2576                          */
2577                         g_string_append_printf (s, _("%1$s was banned by %2$s"),
2578                                 name, actor_name);
2579                 } else {
2580                         g_string_append_printf (s, _("%s was banned"), name);
2581                 }
2582                 break;
2583         default:
2584                 g_string_append_printf (s, _("%s has left the room"), name);
2585         }
2586
2587         if (!EMP_STR_EMPTY (message)) {
2588                 /* Note to translators: this string is appended to
2589                  * notifications like "foo has left the room", with the message
2590                  * given by the user living the room. If this poses a problem,
2591                  * please let us know. :-)
2592                  */
2593                 g_string_append_printf (s, _(" (%s)"), message);
2594         }
2595
2596         return g_string_free (s, FALSE);
2597 }
2598
2599 static void
2600 chat_members_changed_cb (EmpathyTpChat  *tp_chat,
2601                          EmpathyContact *contact,
2602                          EmpathyContact *actor,
2603                          guint           reason,
2604                          gchar          *message,
2605                          gboolean        is_member,
2606                          EmpathyChat    *chat)
2607 {
2608         EmpathyChatPriv *priv = GET_PRIV (chat);
2609         const gchar *name = empathy_contact_get_alias (contact);
2610         gchar *str;
2611
2612         g_return_if_fail (TP_CHANNEL_GROUP_CHANGE_REASON_RENAMED != reason);
2613
2614         if (priv->block_events_timeout_id != 0)
2615                 return;
2616
2617         if (is_member) {
2618                 str = g_strdup_printf (_("%s has joined the room"),
2619                                        name);
2620         } else {
2621                 str = build_part_message (reason, name, actor, message);
2622         }
2623
2624         empathy_chat_view_append_event (chat->view, str);
2625         g_free (str);
2626 }
2627
2628 static void
2629 chat_member_renamed_cb (EmpathyTpChat  *tp_chat,
2630                          EmpathyContact *old_contact,
2631                          EmpathyContact *new_contact,
2632                          guint           reason,
2633                          gchar          *message,
2634                          EmpathyChat    *chat)
2635 {
2636         EmpathyChatPriv *priv = GET_PRIV (chat);
2637
2638         g_return_if_fail (TP_CHANNEL_GROUP_CHANGE_REASON_RENAMED == reason);
2639
2640         if (priv->block_events_timeout_id == 0) {
2641                 gchar *str;
2642
2643                 str = g_strdup_printf (_("%s is now known as %s"),
2644                                        empathy_contact_get_alias (old_contact),
2645                                        empathy_contact_get_alias (new_contact));
2646                 empathy_chat_view_append_event (chat->view, str);
2647                 g_free (str);
2648         }
2649
2650 }
2651
2652 static gboolean
2653 chat_contacts_visible_timeout_cb (gpointer chat)
2654 {
2655         EmpathyChatPriv *priv = GET_PRIV (chat);
2656
2657         /* Relax the size request */
2658         gtk_widget_set_size_request (priv->vbox_left, -1, -1);
2659
2660         /* Set the position of the slider. This must be done here because
2661          * GtkPaned need to know its size allocation and it will be settled only
2662          * after the gtk_window_resize () tough effect. */
2663         if (priv->contacts_width > 0) {
2664                 gtk_paned_set_position (GTK_PANED (priv->hpaned),
2665                                         priv->contacts_width);
2666         }
2667
2668         priv->contacts_visible_id = 0;
2669
2670         return FALSE;
2671 }
2672
2673 static void
2674 chat_update_contacts_visibility (EmpathyChat *chat,
2675                          gboolean show)
2676 {
2677         EmpathyChatPriv *priv = GET_PRIV (chat);
2678
2679         if (!priv->scrolled_window_contacts) {
2680                 return;
2681         }
2682
2683         if (priv->remote_contact != NULL) {
2684                 show = FALSE;
2685         }
2686
2687         if (show && priv->contact_list_view == NULL) {
2688                 EmpathyContactListStore *store;
2689                 gint                     min_width;
2690                 GtkAllocation            allocation;
2691
2692                 /* We are adding the contact list to the chat, we don't want the
2693                  * chat view to become too small. If the chat view is already
2694                  * smaller than 250 make sure that size won't change. If the
2695                  * chat view is bigger the contact list will take some space on
2696                  * it but we make sure the chat view don't become smaller than
2697                  * 250. Relax the size request once the resize is done */
2698                 gtk_widget_get_allocation (priv->vbox_left, &allocation);
2699                 min_width = MIN (allocation.width, 250);
2700                 gtk_widget_set_size_request (priv->vbox_left, min_width, -1);
2701
2702                 /* There is no way to know when the window resize will happen
2703                  * since it is WM's decision. Let's hope it won't be longer. */
2704                 if (priv->contacts_visible_id != 0)
2705                         g_source_remove (priv->contacts_visible_id);
2706                 priv->contacts_visible_id = g_timeout_add (500,
2707                         chat_contacts_visible_timeout_cb, chat);
2708
2709                 store = empathy_contact_list_store_new (
2710                                 EMPATHY_CONTACT_LIST (priv->tp_chat));
2711                 empathy_contact_list_store_set_show_groups (
2712                                 EMPATHY_CONTACT_LIST_STORE (store), FALSE);
2713
2714                 priv->contact_list_view = GTK_WIDGET (empathy_contact_list_view_new (store,
2715                         EMPATHY_CONTACT_LIST_FEATURE_CONTACT_TOOLTIP,
2716                         EMPATHY_CONTACT_FEATURE_CHAT |
2717                         EMPATHY_CONTACT_FEATURE_CALL |
2718                         EMPATHY_CONTACT_FEATURE_LOG |
2719                         EMPATHY_CONTACT_FEATURE_INFO));
2720                 gtk_container_add (GTK_CONTAINER (priv->scrolled_window_contacts),
2721                                    priv->contact_list_view);
2722                 gtk_widget_show (priv->contact_list_view);
2723                 gtk_widget_show (priv->scrolled_window_contacts);
2724                 g_object_unref (store);
2725         } else if (!show) {
2726                 priv->contacts_width = gtk_paned_get_position (GTK_PANED (priv->hpaned));
2727                 gtk_widget_hide (priv->scrolled_window_contacts);
2728                 if (priv->contact_list_view != NULL) {
2729                         gtk_widget_destroy (priv->contact_list_view);
2730                         priv->contact_list_view = NULL;
2731                 }
2732         }
2733 }
2734
2735 void
2736 empathy_chat_set_show_contacts (EmpathyChat *chat,
2737                                 gboolean     show)
2738 {
2739         EmpathyChatPriv *priv = GET_PRIV (chat);
2740
2741         priv->show_contacts = show;
2742
2743         chat_update_contacts_visibility (chat, show);
2744
2745         g_object_notify (G_OBJECT (chat), "show-contacts");
2746 }
2747
2748 static void
2749 chat_remote_contact_changed_cb (EmpathyChat *chat)
2750 {
2751         EmpathyChatPriv *priv = GET_PRIV (chat);
2752
2753         if (priv->remote_contact != NULL) {
2754                 g_object_unref (priv->remote_contact);
2755                 priv->remote_contact = NULL;
2756         }
2757
2758         g_free (priv->id);
2759
2760         priv->id = g_strdup (empathy_tp_chat_get_id (priv->tp_chat));
2761         priv->remote_contact = empathy_tp_chat_get_remote_contact (priv->tp_chat);
2762         if (priv->remote_contact != NULL) {
2763                 g_object_ref (priv->remote_contact);
2764                 priv->handle_type = TP_HANDLE_TYPE_CONTACT;
2765         }
2766         else if (priv->tp_chat != NULL) {
2767                 tp_channel_get_handle ((TpChannel *) priv->tp_chat, &priv->handle_type);
2768         }
2769
2770         chat_update_contacts_visibility (chat, priv->show_contacts);
2771
2772         g_object_notify (G_OBJECT (chat), "remote-contact");
2773         g_object_notify (G_OBJECT (chat), "id");
2774 }
2775
2776 static void
2777 chat_invalidated_cb (EmpathyTpChat *tp_chat,
2778                  guint domain,
2779                  gint code,
2780                  gchar *message,
2781                  EmpathyChat   *chat)
2782 {
2783         EmpathyChatPriv *priv;
2784
2785         priv = GET_PRIV (chat);
2786
2787         if (!priv->tp_chat) {
2788                 return;
2789         }
2790
2791         chat_composing_remove_timeout (chat);
2792         g_object_unref (priv->tp_chat);
2793         priv->tp_chat = NULL;
2794         g_object_notify (G_OBJECT (chat), "tp-chat");
2795
2796         empathy_chat_view_append_event (chat->view, _("Disconnected"));
2797         gtk_widget_set_sensitive (chat->input_text_view, FALSE);
2798
2799         chat_update_contacts_visibility (chat, FALSE);
2800
2801         priv->unread_messages_when_offline = priv->unread_messages;
2802 }
2803
2804 static gboolean
2805 update_misspelled_words (gpointer data)
2806 {
2807         EmpathyChat *chat = EMPATHY_CHAT (data);
2808         EmpathyChatPriv *priv = GET_PRIV (chat);
2809         GtkTextBuffer *buffer;
2810         GtkTextIter iter;
2811         gint length;
2812
2813         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
2814
2815         gtk_text_buffer_get_end_iter (buffer, &iter);
2816         length = gtk_text_iter_get_offset (&iter);
2817         chat_input_text_buffer_insert_text_cb (buffer, &iter,
2818                                                NULL, length, chat);
2819
2820         priv->update_misspelled_words_id = 0;
2821
2822         return FALSE;
2823 }
2824
2825 static void
2826 conf_spell_checking_cb (GSettings *gsettings_chat,
2827                         const gchar *key,
2828                         gpointer user_data)
2829 {
2830         EmpathyChat *chat = EMPATHY_CHAT (user_data);
2831         EmpathyChatPriv *priv = GET_PRIV (chat);
2832         gboolean spell_checker;
2833         GtkTextBuffer *buffer;
2834
2835         if (strcmp (key, EMPATHY_PREFS_CHAT_SPELL_CHECKER_ENABLED) != 0)
2836                 return;
2837
2838         spell_checker = g_settings_get_boolean (gsettings_chat,
2839                         EMPATHY_PREFS_CHAT_SPELL_CHECKER_ENABLED);
2840
2841         if (!empathy_spell_supported ()) {
2842                 spell_checker = FALSE;
2843         }
2844
2845         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
2846
2847         if (spell_checker == priv->spell_checking_enabled) {
2848                 if (spell_checker) {
2849                         /* Possibly changed dictionaries,
2850                          * update misspelled words. Need to do so in idle
2851                          * so the spell checker is updated. */
2852                         priv->update_misspelled_words_id =
2853                                 g_idle_add (update_misspelled_words, chat);
2854                 }
2855
2856                 return;
2857         }
2858
2859         if (spell_checker) {
2860                 GtkTextIter iter;
2861
2862                 priv->notify_cursor_position_id = tp_g_signal_connect_object  (
2863                                 buffer, "notify::cursor-position",
2864                                 G_CALLBACK (chat_input_text_buffer_notify_cursor_position_cb),
2865                                 chat, 0);
2866                 priv->insert_text_id = tp_g_signal_connect_object  (
2867                                 buffer, "insert-text",
2868                                 G_CALLBACK (chat_input_text_buffer_insert_text_cb),
2869                                 chat, G_CONNECT_AFTER);
2870                 priv->delete_range_id = tp_g_signal_connect_object  (
2871                                 buffer, "delete-range",
2872                                 G_CALLBACK (chat_input_text_buffer_delete_range_cb),
2873                                 chat, G_CONNECT_AFTER);
2874
2875                 gtk_text_buffer_create_tag (buffer, "misspelled",
2876                                             "underline", PANGO_UNDERLINE_ERROR,
2877                                             NULL);
2878
2879                 gtk_text_buffer_get_iter_at_mark (buffer, &iter,
2880                                                   gtk_text_buffer_get_insert (buffer));
2881                 gtk_text_buffer_create_mark (buffer, "previous-cursor-position",
2882                                              &iter, TRUE);
2883
2884                 /* Mark misspelled words in the existing buffer.
2885                  * Need to do so in idle so the spell checker is updated. */
2886                 priv->update_misspelled_words_id =
2887                         g_idle_add (update_misspelled_words, chat);
2888         } else {
2889                 GtkTextTagTable *table;
2890                 GtkTextTag *tag;
2891
2892                 g_signal_handler_disconnect (buffer, priv->notify_cursor_position_id);
2893                 priv->notify_cursor_position_id = 0;
2894                 g_signal_handler_disconnect (buffer, priv->insert_text_id);
2895                 priv->insert_text_id = 0;
2896                 g_signal_handler_disconnect (buffer, priv->delete_range_id);
2897                 priv->delete_range_id = 0;
2898
2899                 table = gtk_text_buffer_get_tag_table (buffer);
2900                 tag = gtk_text_tag_table_lookup (table, "misspelled");
2901                 gtk_text_tag_table_remove (table, tag);
2902
2903                 gtk_text_buffer_delete_mark_by_name (buffer,
2904                                                      "previous-cursor-position");
2905         }
2906
2907         priv->spell_checking_enabled = spell_checker;
2908 }
2909
2910 static gboolean
2911 save_paned_pos_timeout (gpointer data)
2912 {
2913         EmpathyChat *self = data;
2914         gint hpaned_pos;
2915
2916         hpaned_pos = gtk_paned_get_position (GTK_PANED (self->priv->hpaned));
2917
2918         g_settings_set_int (self->priv->gsettings_ui,
2919                             EMPATHY_PREFS_UI_CHAT_WINDOW_PANED_POS,
2920                             hpaned_pos);
2921
2922         return FALSE;
2923 }
2924
2925 static gboolean
2926 chat_hpaned_pos_changed_cb (GtkWidget* hpaned,
2927                 GParamSpec *spec,
2928                 gpointer user_data)
2929 {
2930         EmpathyChat *chat = EMPATHY_CHAT (user_data);
2931
2932         if (chat->priv->save_paned_pos_id != 0)
2933                 g_source_remove (chat->priv->save_paned_pos_id);
2934
2935         chat->priv->save_paned_pos_id = g_timeout_add_seconds (1,
2936                 save_paned_pos_timeout, chat);
2937
2938         return TRUE;
2939 }
2940
2941 static void
2942 chat_create_ui (EmpathyChat *chat)
2943 {
2944         EmpathyChatPriv *priv = GET_PRIV (chat);
2945         GtkBuilder      *gui;
2946         GList           *list = NULL;
2947         gchar           *filename;
2948         GtkTextBuffer   *buffer;
2949         EmpathyThemeManager *theme_mgr;
2950
2951         filename = empathy_file_lookup ("empathy-chat.ui",
2952                                         "libempathy-gtk");
2953         gui = empathy_builder_get_file (filename,
2954                                         "chat_widget", &priv->widget,
2955                                         "hpaned", &priv->hpaned,
2956                                         "vbox_left", &priv->vbox_left,
2957                                         "scrolled_window_chat", &priv->scrolled_window_chat,
2958                                         "scrolled_window_input", &priv->scrolled_window_input,
2959                                         "hbox_topic", &priv->hbox_topic,
2960                                         "expander_topic", &priv->expander_topic,
2961                                         "label_topic", &priv->label_topic,
2962                                         "scrolled_window_contacts", &priv->scrolled_window_contacts,
2963                                         "info_bar_vbox", &priv->info_bar_vbox,
2964                                         NULL);
2965
2966         empathy_builder_connect (gui, chat,
2967                 "expander_topic", "notify::expanded", chat_topic_expander_activate_cb,
2968                 "label_topic", "size-allocate", chat_topic_label_size_allocate_cb,
2969                 NULL);
2970
2971         g_free (filename);
2972
2973         /* Add message view. */
2974         theme_mgr = empathy_theme_manager_dup_singleton ();
2975         chat->view = empathy_theme_manager_create_view (theme_mgr);
2976         g_object_unref (theme_mgr);
2977         /* If this is a GtkTextView, it's set as a drag destination for text/plain
2978            and other types, even though it's non-editable and doesn't accept any
2979            drags.  This steals drag motion for anything inside the scrollbars,
2980            making drag destinations on chat windows far less useful.
2981          */
2982         gtk_drag_dest_unset (GTK_WIDGET (chat->view));
2983         g_signal_connect (chat->view, "focus_in_event",
2984                           G_CALLBACK (chat_text_view_focus_in_event_cb),
2985                           chat);
2986         gtk_container_add (GTK_CONTAINER (priv->scrolled_window_chat),
2987                            GTK_WIDGET (chat->view));
2988         gtk_widget_show (GTK_WIDGET (chat->view));
2989
2990         /* Add input GtkTextView */
2991         chat->input_text_view = empathy_input_text_view_new ();
2992         g_signal_connect (chat->input_text_view, "notify::has-focus",
2993                           G_CALLBACK (chat_input_has_focus_notify_cb),
2994                           chat);
2995         g_signal_connect (chat->input_text_view, "key-press-event",
2996                           G_CALLBACK (chat_input_key_press_event_cb),
2997                           chat);
2998         g_signal_connect (chat->input_text_view, "realize",
2999                           G_CALLBACK (chat_input_realize_cb),
3000                           chat);
3001         g_signal_connect (chat->input_text_view, "button-press-event",
3002                           G_CALLBACK (chat_input_button_press_event_cb),
3003                           chat);
3004         g_signal_connect (chat->input_text_view, "populate-popup",
3005                           G_CALLBACK (chat_input_populate_popup_cb),
3006                           chat);
3007         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
3008         tp_g_signal_connect_object  (buffer, "changed",
3009                           G_CALLBACK (chat_input_text_buffer_changed_cb),
3010                           chat, 0);
3011         tp_g_signal_connect_object (priv->gsettings_chat,
3012                         "changed::" EMPATHY_PREFS_CHAT_SPELL_CHECKER_ENABLED,
3013                         G_CALLBACK (conf_spell_checking_cb), chat, 0);
3014         conf_spell_checking_cb (priv->gsettings_chat,
3015                                 EMPATHY_PREFS_CHAT_SPELL_CHECKER_ENABLED, chat);
3016         gtk_container_add (GTK_CONTAINER (priv->scrolled_window_input),
3017                            chat->input_text_view);
3018         gtk_widget_show (chat->input_text_view);
3019
3020         /* Add the (invisible) search bar */
3021         priv->search_bar = empathy_search_bar_new (chat->view);
3022         gtk_box_pack_start (GTK_BOX(priv->vbox_left),
3023                             priv->search_bar,
3024                             FALSE, FALSE, 0);
3025         gtk_box_reorder_child (GTK_BOX(priv->vbox_left), priv->search_bar, 1);
3026
3027         /* Initialy hide the topic, will be shown if not empty */
3028         gtk_widget_hide (priv->hbox_topic);
3029
3030         g_signal_connect (priv->hpaned, "notify::position",
3031                           G_CALLBACK (chat_hpaned_pos_changed_cb),
3032                           chat);
3033
3034         /* Set widget focus order */
3035         list = g_list_append (NULL, priv->search_bar);
3036         list = g_list_append (list, priv->scrolled_window_input);
3037         gtk_container_set_focus_chain (GTK_CONTAINER (priv->vbox_left), list);
3038         g_list_free (list);
3039
3040         list = g_list_append (NULL, priv->vbox_left);
3041         list = g_list_append (list, priv->scrolled_window_contacts);
3042         gtk_container_set_focus_chain (GTK_CONTAINER (priv->hpaned), list);
3043         g_list_free (list);
3044
3045         list = g_list_append (NULL, priv->hpaned);
3046         list = g_list_append (list, priv->hbox_topic);
3047         gtk_container_set_focus_chain (GTK_CONTAINER (priv->widget), list);
3048         g_list_free (list);
3049
3050         /* Add the main widget in the chat widget */
3051         gtk_box_pack_start (GTK_BOX (chat), priv->widget, TRUE, TRUE, 0);
3052         g_object_unref (gui);
3053 }
3054
3055 static void
3056 chat_finalize (GObject *object)
3057 {
3058         EmpathyChat     *chat;
3059         EmpathyChatPriv *priv;
3060
3061         chat = EMPATHY_CHAT (object);
3062         priv = GET_PRIV (chat);
3063
3064         DEBUG ("Finalized: %p", object);
3065
3066         if (priv->update_misspelled_words_id != 0)
3067                 g_source_remove (priv->update_misspelled_words_id);
3068
3069         if (priv->save_paned_pos_id != 0)
3070                 g_source_remove (priv->save_paned_pos_id);
3071
3072         if (priv->contacts_visible_id != 0)
3073                 g_source_remove (priv->contacts_visible_id);
3074
3075         g_object_unref (priv->gsettings_chat);
3076         g_object_unref (priv->gsettings_ui);
3077
3078         g_list_foreach (priv->input_history, (GFunc) chat_input_history_entry_free, NULL);
3079         g_list_free (priv->input_history);
3080
3081         g_list_foreach (priv->compositors, (GFunc) g_object_unref, NULL);
3082         g_list_free (priv->compositors);
3083
3084         chat_composing_remove_timeout (chat);
3085
3086         g_object_unref (priv->account_manager);
3087         g_object_unref (priv->log_manager);
3088
3089         if (priv->tp_chat) {
3090                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
3091                         chat_invalidated_cb, chat);
3092                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
3093                         chat_message_received_cb, chat);
3094                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
3095                         chat_message_acknowledged_cb, chat);
3096                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
3097                         chat_send_error_cb, chat);
3098                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
3099                         chat_state_changed_cb, chat);
3100                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
3101                         chat_property_changed_cb, chat);
3102                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
3103                         chat_members_changed_cb, chat);
3104                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
3105                         chat_remote_contact_changed_cb, chat);
3106                 empathy_tp_chat_leave (priv->tp_chat, "");
3107                 g_object_unref (priv->tp_chat);
3108         }
3109         if (priv->account) {
3110                 g_object_unref (priv->account);
3111         }
3112         if (priv->remote_contact) {
3113                 g_object_unref (priv->remote_contact);
3114         }
3115
3116         if (priv->block_events_timeout_id) {
3117                 g_source_remove (priv->block_events_timeout_id);
3118         }
3119
3120         g_free (priv->id);
3121         g_free (priv->name);
3122         g_free (priv->subject);
3123         g_completion_free (priv->completion);
3124
3125         G_OBJECT_CLASS (empathy_chat_parent_class)->finalize (object);
3126 }
3127
3128 static void
3129 chat_constructed (GObject *object)
3130 {
3131         EmpathyChat *chat = EMPATHY_CHAT (object);
3132         EmpathyChatPriv *priv = GET_PRIV (chat);
3133
3134         if (priv->handle_type != TP_HANDLE_TYPE_ROOM) {
3135                 /* First display logs from the logger and then display pending messages */
3136                 chat_add_logs (chat);
3137         }
3138          else {
3139                 /* Just display pending messages for rooms */
3140                 priv->can_show_pending = TRUE;
3141                 show_pending_messages (chat);
3142         }
3143 }
3144
3145 static void
3146 empathy_chat_class_init (EmpathyChatClass *klass)
3147 {
3148         GObjectClass   *object_class = G_OBJECT_CLASS (klass);
3149
3150         object_class->finalize = chat_finalize;
3151         object_class->get_property = chat_get_property;
3152         object_class->set_property = chat_set_property;
3153         object_class->constructed = chat_constructed;
3154
3155         g_object_class_install_property (object_class,
3156                                          PROP_TP_CHAT,
3157                                          g_param_spec_object ("tp-chat",
3158                                                               "Empathy tp chat",
3159                                                               "The tp chat object",
3160                                                               EMPATHY_TYPE_TP_CHAT,
3161                                                               G_PARAM_CONSTRUCT |
3162                                                               G_PARAM_READWRITE |
3163                                                               G_PARAM_STATIC_STRINGS));
3164         g_object_class_install_property (object_class,
3165                                          PROP_ACCOUNT,
3166                                          g_param_spec_object ("account",
3167                                                               "Account of the chat",
3168                                                               "The account of the chat",
3169                                                               TP_TYPE_ACCOUNT,
3170                                                               G_PARAM_READABLE |
3171                                                               G_PARAM_STATIC_STRINGS));
3172         g_object_class_install_property (object_class,
3173                                          PROP_ID,
3174                                          g_param_spec_string ("id",
3175                                                               "Chat's id",
3176                                                               "The id of the chat",
3177                                                               NULL,
3178                                                               G_PARAM_READABLE |
3179                                                               G_PARAM_STATIC_STRINGS));
3180         g_object_class_install_property (object_class,
3181                                          PROP_NAME,
3182                                          g_param_spec_string ("name",
3183                                                               "Chat's name",
3184                                                               "The name of the chat",
3185                                                               NULL,
3186                                                               G_PARAM_READABLE |
3187                                                               G_PARAM_STATIC_STRINGS));
3188         g_object_class_install_property (object_class,
3189                                          PROP_SUBJECT,
3190                                          g_param_spec_string ("subject",
3191                                                               "Chat's subject",
3192                                                               "The subject or topic of the chat",
3193                                                               NULL,
3194                                                               G_PARAM_READABLE |
3195                                                               G_PARAM_STATIC_STRINGS));
3196         g_object_class_install_property (object_class,
3197                                          PROP_REMOTE_CONTACT,
3198                                          g_param_spec_object ("remote-contact",
3199                                                               "The remote contact",
3200                                                               "The remote contact is any",
3201                                                               EMPATHY_TYPE_CONTACT,
3202                                                               G_PARAM_READABLE |
3203                                                               G_PARAM_STATIC_STRINGS));
3204         g_object_class_install_property (object_class,
3205                                          PROP_SHOW_CONTACTS,
3206                                          g_param_spec_boolean ("show-contacts",
3207                                                                "Contacts' visibility",
3208                                                                "The visibility of the contacts' list",
3209                                                                TRUE,
3210                                                                G_PARAM_READWRITE |
3211                                                                G_PARAM_STATIC_STRINGS));
3212
3213         g_object_class_install_property (object_class,
3214                                          PROP_SMS_CHANNEL,
3215                                          g_param_spec_boolean ("sms-channel",
3216                                                                "SMS Channel",
3217                                                                "TRUE if this channel is for sending SMSes",
3218                                                                FALSE,
3219                                                                G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
3220
3221         g_object_class_install_property (object_class,
3222                                          PROP_N_MESSAGES_SENDING,
3223                                          g_param_spec_uint ("n-messages-sending",
3224                                                             "Num Messages Sending",
3225                                                             "The number of messages being sent",
3226                                                             0, G_MAXUINT, 0,
3227                                                             G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
3228
3229         g_object_class_install_property (object_class,
3230                                          PROP_NB_UNREAD_MESSAGES,
3231                                          g_param_spec_uint ("nb-unread-messages",
3232                                                             "Num Unread Messages",
3233                                                             "The number of unread messages",
3234                                                             0, G_MAXUINT, 0,
3235                                                             G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
3236
3237         signals[COMPOSING] =
3238                 g_signal_new ("composing",
3239                               G_OBJECT_CLASS_TYPE (object_class),
3240                               G_SIGNAL_RUN_LAST,
3241                               0,
3242                               NULL, NULL,
3243                               g_cclosure_marshal_generic,
3244                               G_TYPE_NONE,
3245                               1, G_TYPE_BOOLEAN);
3246
3247         signals[NEW_MESSAGE] =
3248                 g_signal_new ("new-message",
3249                               G_OBJECT_CLASS_TYPE (object_class),
3250                               G_SIGNAL_RUN_LAST,
3251                               0,
3252                               NULL, NULL,
3253                               g_cclosure_marshal_generic,
3254                               G_TYPE_NONE,
3255                               2, EMPATHY_TYPE_MESSAGE, G_TYPE_BOOLEAN);
3256
3257         signals[PART_COMMAND_ENTERED] =
3258                         g_signal_new ("part-command-entered",
3259                                   G_OBJECT_CLASS_TYPE (object_class),
3260                                   G_SIGNAL_RUN_LAST,
3261                                   0,
3262                                   NULL, NULL,
3263                                   g_cclosure_marshal_generic,
3264                                   G_TYPE_NONE,
3265                                   1, G_TYPE_STRV);
3266
3267         g_type_class_add_private (object_class, sizeof (EmpathyChatPriv));
3268 }
3269
3270 static gboolean
3271 chat_block_events_timeout_cb (gpointer data)
3272 {
3273         EmpathyChatPriv *priv = GET_PRIV (data);
3274
3275         priv->block_events_timeout_id = 0;
3276
3277         return FALSE;
3278 }
3279
3280 static void
3281 account_manager_prepared_cb (GObject *source_object,
3282                              GAsyncResult *result,
3283                              gpointer user_data)
3284 {
3285         GList *accounts, *l;
3286         TpAccountManager *account_manager = TP_ACCOUNT_MANAGER (source_object);
3287         EmpathyChat *chat = user_data;
3288         GError *error = NULL;
3289
3290         if (!tp_proxy_prepare_finish (account_manager, result, &error)) {
3291                 DEBUG ("Failed to prepare the account manager: %s", error->message);
3292                 g_error_free (error);
3293                 return;
3294         }
3295
3296         accounts = tp_account_manager_get_valid_accounts (account_manager);
3297
3298         for (l = accounts; l != NULL; l = l->next) {
3299                 TpAccount *account = l->data;
3300                 tp_g_signal_connect_object (account, "status-changed",
3301                                              G_CALLBACK (chat_new_connection_cb),
3302                                              chat, 0);
3303         }
3304
3305         g_list_free (accounts);
3306 }
3307
3308 static void
3309 empathy_chat_init (EmpathyChat *chat)
3310 {
3311         EmpathyChatPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (chat,
3312                 EMPATHY_TYPE_CHAT, EmpathyChatPriv);
3313
3314         chat->priv = priv;
3315         priv->log_manager = tpl_log_manager_dup_singleton ();
3316         priv->gsettings_chat = g_settings_new (EMPATHY_PREFS_CHAT_SCHEMA);
3317         priv->gsettings_ui = g_settings_new (EMPATHY_PREFS_UI_SCHEMA);
3318
3319         priv->contacts_width = g_settings_get_int (priv->gsettings_ui,
3320                 EMPATHY_PREFS_UI_CHAT_WINDOW_PANED_POS);
3321         priv->input_history = NULL;
3322         priv->input_history_current = NULL;
3323         priv->account_manager = tp_account_manager_dup ();
3324
3325         tp_proxy_prepare_async (priv->account_manager, NULL,
3326                                           account_manager_prepared_cb, chat);
3327
3328         priv->show_contacts = g_settings_get_boolean (priv->gsettings_chat,
3329                         EMPATHY_PREFS_CHAT_SHOW_CONTACTS_IN_ROOMS);
3330
3331         /* Block events for some time to avoid having "has come online" or
3332          * "joined" messages. */
3333         priv->block_events_timeout_id =
3334                 g_timeout_add_seconds (1, chat_block_events_timeout_cb, chat);
3335
3336         /* Add nick name completion */
3337         priv->completion = g_completion_new ((GCompletionFunc) empathy_contact_get_alias);
3338         g_completion_set_compare (priv->completion, chat_contacts_completion_func);
3339
3340         chat_create_ui (chat);
3341 }
3342
3343 EmpathyChat *
3344 empathy_chat_new (EmpathyTpChat *tp_chat)
3345 {
3346         return g_object_new (EMPATHY_TYPE_CHAT, "tp-chat", tp_chat, NULL);
3347 }
3348
3349 EmpathyTpChat *
3350 empathy_chat_get_tp_chat (EmpathyChat *chat)
3351 {
3352         EmpathyChatPriv *priv = GET_PRIV (chat);
3353
3354         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
3355
3356         return priv->tp_chat;
3357 }
3358
3359 typedef struct
3360 {
3361         EmpathyChat *self;
3362         GtkWidget *info_bar;
3363         gulong response_id;
3364         GtkWidget *button;
3365         GtkWidget *label;
3366         GtkWidget *entry;
3367         GtkWidget *spinner;
3368         gchar *password;
3369 } PasswordData;
3370
3371 static void
3372 passwd_remember_button_cb (GtkButton *button,
3373                           PasswordData *data)
3374 {
3375         gtk_info_bar_response (GTK_INFO_BAR (data->info_bar), GTK_RESPONSE_OK);
3376 }
3377
3378 static void
3379 passwd_not_now_button_cb (GtkButton *button,
3380                           PasswordData *data)
3381 {
3382         gtk_info_bar_response (GTK_INFO_BAR (data->info_bar), GTK_RESPONSE_NO);
3383 }
3384
3385 static void
3386 remember_password_infobar_response_cb (GtkWidget *info_bar,
3387                                        gint response_id,
3388                                        PasswordData *data)
3389 {
3390         EmpathyChatPriv *priv = GET_PRIV (data->self);
3391
3392         if (response_id == GTK_RESPONSE_OK) {
3393                 DEBUG ("Saving room password");
3394                 empathy_keyring_set_room_password_async (priv->account,
3395                                                          empathy_tp_chat_get_id (priv->tp_chat),
3396                                                          data->password,
3397                                                          NULL, NULL);
3398         }
3399
3400         gtk_widget_destroy (info_bar);
3401         g_free (data->password);
3402         g_slice_free (PasswordData, data);
3403 }
3404
3405 static void
3406 chat_prompt_to_save_password (EmpathyChat *self,
3407                               PasswordData *data)
3408 {
3409         GtkWidget *content_area;
3410         GtkWidget *hbox;
3411         GtkWidget *image;
3412         GtkWidget *label;
3413         GtkWidget *alig;
3414         GtkWidget *button;
3415
3416         /* save the password in case it needs to be saved */
3417         data->password = g_strdup (gtk_entry_get_text (GTK_ENTRY (data->entry)));
3418
3419         /* Remove all previous widgets */
3420         content_area = gtk_info_bar_get_content_area (GTK_INFO_BAR (data->info_bar));
3421         gtk_container_forall (GTK_CONTAINER (content_area),
3422                               (GtkCallback) gtk_widget_destroy, NULL);
3423         data->button = NULL;
3424         data->label = NULL;
3425         data->entry = NULL;
3426         data->spinner = NULL;
3427
3428         gtk_info_bar_set_message_type (GTK_INFO_BAR (data->info_bar),
3429                                        GTK_MESSAGE_QUESTION);
3430
3431         hbox = gtk_hbox_new (FALSE, 5);
3432         gtk_box_pack_start (GTK_BOX (content_area), hbox, TRUE, TRUE, 0);
3433
3434         /* Add image */
3435         image = gtk_image_new_from_stock (GTK_STOCK_DIALOG_AUTHENTICATION,
3436                                           GTK_ICON_SIZE_DIALOG);
3437         gtk_box_pack_start (GTK_BOX (hbox), image, FALSE, FALSE, 0);
3438
3439         /* Add message */
3440         label = gtk_label_new (_("Would you like to store this password?"));
3441         gtk_box_pack_start (GTK_BOX (hbox), label, TRUE, TRUE, 0);
3442
3443         /* Add 'Remember' button */
3444         alig = gtk_alignment_new (0, 0.5, 1, 0);
3445
3446         button = gtk_button_new_with_label (_("Remember"));
3447         gtk_container_add (GTK_CONTAINER (alig), button);
3448         gtk_box_pack_start (GTK_BOX (hbox), alig, FALSE, FALSE, 0);
3449
3450         g_signal_connect (button, "clicked", G_CALLBACK (passwd_remember_button_cb),
3451                           data);
3452
3453         /* Add 'Not now' button */
3454         alig = gtk_alignment_new (0, 0.5, 1, 0);
3455
3456         button = gtk_button_new_with_label (_("Not now"));
3457         gtk_container_add (GTK_CONTAINER (alig), button);
3458         gtk_box_pack_start (GTK_BOX (hbox), alig, FALSE, FALSE, 0);
3459
3460         g_signal_connect (button, "clicked", G_CALLBACK (passwd_not_now_button_cb),
3461                           data);
3462
3463         /* go! */
3464         g_signal_handler_disconnect (data->info_bar, data->response_id);
3465         g_signal_connect (data->info_bar, "response",
3466                           G_CALLBACK (remember_password_infobar_response_cb), data);
3467
3468         gtk_widget_show_all (data->info_bar);
3469 }
3470
3471 static void
3472 provide_password_cb (GObject *tp_chat,
3473                      GAsyncResult *res,
3474                      gpointer user_data)
3475 {
3476         PasswordData *data = user_data;
3477         EmpathyChat *self = data->self;
3478         EmpathyChatPriv *priv = GET_PRIV (self);
3479         GError *error = NULL;
3480
3481         if (!tp_channel_provide_password_finish (TP_CHANNEL (tp_chat), res,
3482                                                       &error)) {
3483                 DEBUG ("error: %s", error->message);
3484                 /* FIXME: what should we do if that's another error? Close the channel?
3485                  * Display the raw D-Bus error to the user isn't very useful */
3486                 if (g_error_matches (error, TP_ERRORS, TP_ERROR_AUTHENTICATION_FAILED)) {
3487                         /* entry */
3488                         gtk_entry_set_text (GTK_ENTRY (data->entry), "");
3489                         gtk_widget_set_sensitive (data->entry, TRUE);
3490                         gtk_widget_grab_focus (data->entry);
3491
3492                         /* info bar */
3493                         gtk_info_bar_set_message_type (
3494                             GTK_INFO_BAR (data->info_bar),
3495                             GTK_MESSAGE_ERROR);
3496
3497                         /* button */
3498                         gtk_widget_set_sensitive (data->button, TRUE);
3499                         gtk_button_set_label (GTK_BUTTON (data->button),
3500                             _("Retry"));
3501
3502                         /* label */
3503                         gtk_label_set_text (GTK_LABEL (data->label),
3504                             _("Wrong password; please try again:"));
3505
3506                         /* spinner */
3507                         gtk_spinner_stop (GTK_SPINNER (data->spinner));
3508                         gtk_widget_hide (data->spinner);
3509                 }
3510                 g_error_free (error);
3511                 return;
3512         }
3513
3514         if (empathy_keyring_is_available ()) {
3515                 /* ask whether they want to save the password */
3516                 chat_prompt_to_save_password (self, data);
3517         } else {
3518                 /* Get rid of the password info bar finally */
3519                 gtk_widget_destroy (data->info_bar);
3520                 g_slice_free (PasswordData, data);
3521         }
3522
3523         /* Room joined */
3524         gtk_widget_set_sensitive (priv->hpaned, TRUE);
3525         gtk_widget_set_sensitive (self->input_text_view, TRUE);
3526         gtk_widget_grab_focus (self->input_text_view);
3527 }
3528
3529 static void
3530 password_infobar_response_cb (GtkWidget *info_bar,
3531                               gint response_id,
3532                               PasswordData *data)
3533 {
3534         EmpathyChatPriv *priv = GET_PRIV (data->self);
3535         const gchar *password;
3536
3537         if (response_id != GTK_RESPONSE_OK) {
3538                 gtk_widget_destroy (info_bar);
3539                 g_slice_free (PasswordData, data);
3540                 return;
3541         }
3542
3543         password = gtk_entry_get_text (GTK_ENTRY (data->entry));
3544
3545         tp_channel_provide_password_async (TP_CHANNEL (priv->tp_chat), password,
3546                                                 provide_password_cb, data);
3547
3548         gtk_widget_set_sensitive (data->button, FALSE);
3549         gtk_widget_set_sensitive (data->entry, FALSE);
3550
3551         gtk_spinner_start (GTK_SPINNER (data->spinner));
3552         gtk_widget_show (data->spinner);
3553 }
3554
3555 static void
3556 password_entry_activate_cb (GtkWidget *entry,
3557                           PasswordData *data)
3558 {
3559         gtk_info_bar_response (GTK_INFO_BAR (data->info_bar), GTK_RESPONSE_OK);
3560 }
3561
3562 static void
3563 passwd_join_button_cb (GtkButton *button,
3564                           PasswordData *data)
3565 {
3566         gtk_info_bar_response (GTK_INFO_BAR (data->info_bar), GTK_RESPONSE_OK);
3567 }
3568
3569 static void
3570 clear_icon_released_cb (GtkEntry *entry,
3571                         GtkEntryIconPosition icon_pos,
3572                         GdkEvent *event,
3573                         PasswordData *data)
3574 {
3575         gtk_entry_set_text (entry, "");
3576 }
3577
3578 static void
3579 password_entry_changed_cb (GtkEditable *entry,
3580                            PasswordData *data)
3581 {
3582         const gchar *str;
3583
3584         str = gtk_entry_get_text (GTK_ENTRY (entry));
3585
3586         gtk_entry_set_icon_sensitive (GTK_ENTRY (entry),
3587             GTK_ENTRY_ICON_SECONDARY, !EMP_STR_EMPTY (str));
3588 }
3589
3590 static void
3591 infobar_chat_invalidated_cb (TpProxy       *proxy,
3592                            guint          domain,
3593                            gint           code,
3594                            gchar         *message,
3595                            gpointer       password_infobar)
3596 {
3597         /* Destroy the password infobar whenever a channel is invalidated
3598          * so we don't have multiple infobars when the MUC is rejoined */
3599         gtk_widget_destroy (GTK_WIDGET (password_infobar));
3600 }
3601
3602 static void
3603 display_password_info_bar (EmpathyChat *self)
3604 {
3605         EmpathyChatPriv *priv = GET_PRIV (self);
3606         GtkWidget *info_bar;
3607         GtkWidget *content_area;
3608         GtkWidget *hbox;
3609         GtkWidget *image;
3610         GtkWidget *label;
3611         GtkWidget *entry;
3612         GtkWidget *alig;
3613         GtkWidget *button;
3614         GtkWidget *spinner;
3615         PasswordData *data;
3616
3617         data = g_slice_new0 (PasswordData);
3618
3619         info_bar = gtk_info_bar_new ();
3620         gtk_info_bar_set_message_type (GTK_INFO_BAR (info_bar),
3621             GTK_MESSAGE_QUESTION);
3622
3623         content_area = gtk_info_bar_get_content_area (GTK_INFO_BAR (info_bar));
3624
3625         hbox = gtk_hbox_new (FALSE, 5);
3626         gtk_box_pack_start (GTK_BOX (content_area), hbox, TRUE, TRUE, 0);
3627
3628         /* Add image */
3629         image = gtk_image_new_from_stock (GTK_STOCK_DIALOG_AUTHENTICATION,
3630                                           GTK_ICON_SIZE_DIALOG);
3631         gtk_box_pack_start (GTK_BOX (hbox), image, FALSE, FALSE, 0);
3632
3633         /* Add message */
3634         label = gtk_label_new (_("This room is protected by a password:"));
3635         gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
3636
3637         /* Add password entry */
3638         entry = gtk_entry_new ();
3639         gtk_entry_set_visibility (GTK_ENTRY (entry), FALSE);
3640         gtk_box_pack_start (GTK_BOX (hbox), entry, TRUE, TRUE, 0);
3641
3642         gtk_entry_set_icon_from_stock (GTK_ENTRY (entry),
3643                                        GTK_ENTRY_ICON_SECONDARY, GTK_STOCK_CLEAR);
3644         gtk_entry_set_icon_sensitive (GTK_ENTRY (entry),
3645                                       GTK_ENTRY_ICON_SECONDARY, FALSE);
3646
3647         g_signal_connect (entry, "icon-release",
3648                           G_CALLBACK (clear_icon_released_cb), data);
3649         g_signal_connect (entry, "changed",
3650                           G_CALLBACK (password_entry_changed_cb), data);
3651
3652         g_signal_connect (entry, "activate",
3653                           G_CALLBACK (password_entry_activate_cb), data);
3654
3655         /* Focus the password entry once it's realized */
3656         g_signal_connect (entry, "realize", G_CALLBACK (gtk_widget_grab_focus), NULL);
3657
3658         /* Add 'Join' button */
3659         alig = gtk_alignment_new (0, 0.5, 1, 0);
3660
3661         button = gtk_button_new_with_label (_("Join"));
3662         gtk_container_add (GTK_CONTAINER (alig), button);
3663         gtk_box_pack_start (GTK_BOX (hbox), alig, FALSE, FALSE, 0);
3664
3665         g_signal_connect (button, "clicked", G_CALLBACK (passwd_join_button_cb),
3666                           data);
3667
3668         /* Add spinner */
3669         spinner = gtk_spinner_new ();
3670         gtk_box_pack_end (GTK_BOX (hbox), spinner, FALSE, FALSE, 0);
3671
3672         /* Save some data for messing around with later */
3673         data->self = self;
3674         data->info_bar = info_bar;
3675         data->button = button;
3676         data->label = label;
3677         data->entry = entry;
3678         data->spinner = spinner;
3679
3680         gtk_box_pack_start (GTK_BOX (priv->info_bar_vbox), info_bar,
3681                             TRUE, TRUE, 3);
3682         gtk_widget_show_all (hbox);
3683
3684         tp_g_signal_connect_object (priv->tp_chat,
3685                                   "invalidated", G_CALLBACK (infobar_chat_invalidated_cb),
3686                                   info_bar, 0);
3687
3688         data->response_id = g_signal_connect (info_bar, "response",
3689                                               G_CALLBACK (password_infobar_response_cb), data);
3690
3691         gtk_widget_show_all (info_bar);
3692         /* ... but hide the spinner */
3693         gtk_widget_hide (spinner);
3694
3695         /* prevent the user from typing anything */
3696         gtk_widget_set_sensitive (self->input_text_view, FALSE);
3697 }
3698
3699 static void
3700 provide_saved_password_cb (GObject *tp_chat,
3701                            GAsyncResult *res,
3702                            gpointer user_data)
3703 {
3704         EmpathyChat *self = user_data;
3705         EmpathyChatPriv *priv = GET_PRIV (self);
3706         GError *error = NULL;
3707
3708         if (!tp_channel_provide_password_finish (TP_CHANNEL (tp_chat), res,
3709                                                       &error)) {
3710                 DEBUG ("error: %s", error->message);
3711                 /* FIXME: what should we do if that's another error? Close the channel?
3712                  * Display the raw D-Bus error to the user isn't very useful */
3713                 if (g_error_matches (error, TP_ERRORS, TP_ERROR_AUTHENTICATION_FAILED)) {
3714                         display_password_info_bar (self);
3715                         gtk_widget_set_sensitive (priv->hpaned, FALSE);
3716                 }
3717                 g_error_free (error);
3718                 return;
3719         }
3720
3721         /* Room joined */
3722         gtk_widget_set_sensitive (priv->hpaned, TRUE);
3723         gtk_widget_grab_focus (self->input_text_view);
3724 }
3725
3726 static void
3727 chat_room_got_password_cb (GObject *source,
3728                            GAsyncResult *result,
3729                            gpointer user_data)
3730 {
3731         EmpathyChat *self = user_data;
3732         EmpathyChatPriv *priv = GET_PRIV (self);
3733         const gchar *password;
3734         GError *error = NULL;
3735
3736         password = empathy_keyring_get_room_password_finish (priv->account,
3737             result, &error);
3738
3739         if (error != NULL) {
3740                 DEBUG ("Couldn't get room password: %s\n", error->message);
3741                 g_clear_error (&error);
3742
3743                 display_password_info_bar (self);
3744                 gtk_widget_set_sensitive (priv->hpaned, FALSE);
3745                 return;
3746         }
3747
3748         tp_channel_provide_password_async (TP_CHANNEL (priv->tp_chat), password,
3749                                                 provide_saved_password_cb, self);
3750 }
3751
3752 static void
3753 chat_password_needed_changed_cb (EmpathyChat *self)
3754 {
3755         EmpathyChatPriv *priv = GET_PRIV (self);
3756
3757         if (tp_channel_password_needed (TP_CHANNEL (priv->tp_chat))) {
3758                 empathy_keyring_get_room_password_async (priv->account,
3759                                                          empathy_tp_chat_get_id (priv->tp_chat),
3760                                                          chat_room_got_password_cb, self);
3761         }
3762 }
3763
3764 static void
3765 chat_sms_channel_changed_cb (EmpathyChat *self)
3766 {
3767         EmpathyChatPriv *priv = GET_PRIV (self);
3768
3769         priv->sms_channel = tp_text_channel_is_sms_channel (
3770                 (TpTextChannel *) priv->tp_chat);
3771         g_object_notify (G_OBJECT (self), "sms-channel");
3772 }
3773
3774 static void
3775 chat_n_messages_sending_changed_cb (EmpathyChat *self)
3776 {
3777         g_object_notify (G_OBJECT (self), "n-messages-sending");
3778 }
3779
3780 void
3781 empathy_chat_set_tp_chat (EmpathyChat   *chat,
3782                           EmpathyTpChat *tp_chat)
3783 {
3784         EmpathyChatPriv *priv = GET_PRIV (chat);
3785         GPtrArray       *properties;
3786
3787         g_return_if_fail (EMPATHY_IS_CHAT (chat));
3788         g_return_if_fail (EMPATHY_IS_TP_CHAT (tp_chat));
3789
3790         if (priv->tp_chat) {
3791                 return;
3792         }
3793
3794         if (priv->account) {
3795                 g_object_unref (priv->account);
3796         }
3797
3798         priv->tp_chat = g_object_ref (tp_chat);
3799         priv->account = g_object_ref (empathy_tp_chat_get_account (priv->tp_chat));
3800
3801         g_signal_connect (tp_chat, "invalidated",
3802                           G_CALLBACK (chat_invalidated_cb),
3803                           chat);
3804         g_signal_connect (tp_chat, "message-received-empathy",
3805                           G_CALLBACK (chat_message_received_cb),
3806                           chat);
3807         g_signal_connect (tp_chat, "message_acknowledged",
3808                           G_CALLBACK (chat_message_acknowledged_cb),
3809                           chat);
3810         g_signal_connect (tp_chat, "send-error",
3811                           G_CALLBACK (chat_send_error_cb),
3812                           chat);
3813         g_signal_connect (tp_chat, "chat-state-changed-empathy",
3814                           G_CALLBACK (chat_state_changed_cb),
3815                           chat);
3816         g_signal_connect (tp_chat, "property-changed",
3817                           G_CALLBACK (chat_property_changed_cb),
3818                           chat);
3819         g_signal_connect (tp_chat, "members-changed",
3820                           G_CALLBACK (chat_members_changed_cb),
3821                           chat);
3822         g_signal_connect (tp_chat, "member-renamed",
3823                           G_CALLBACK (chat_member_renamed_cb),
3824                           chat);
3825         g_signal_connect_swapped (tp_chat, "notify::remote-contact",
3826                                   G_CALLBACK (chat_remote_contact_changed_cb),
3827                                   chat);
3828         g_signal_connect_swapped (tp_chat, "notify::password-needed",
3829                                   G_CALLBACK (chat_password_needed_changed_cb),
3830                                   chat);
3831         g_signal_connect_swapped (tp_chat, "notify::is-sms-channel",
3832                                   G_CALLBACK (chat_sms_channel_changed_cb),
3833                                   chat);
3834         g_signal_connect_swapped (tp_chat, "notify::n-messages-sending",
3835                                   G_CALLBACK (chat_n_messages_sending_changed_cb),
3836                                   chat);
3837
3838         /* Get initial value of properties */
3839         properties = empathy_tp_chat_get_properties (priv->tp_chat);
3840         if (properties != NULL) {
3841                 guint i;
3842
3843                 for (i = 0; i < properties->len; i++) {
3844                         EmpathyTpChatProperty *property;
3845
3846                         property = g_ptr_array_index (properties, i);
3847                         if (property->value == NULL)
3848                                 continue;
3849
3850                         chat_property_changed_cb (priv->tp_chat,
3851                                                   property->name,
3852                                                   property->value,
3853                                                   chat);
3854                 }
3855         }
3856
3857         chat_sms_channel_changed_cb (chat);
3858         chat_remote_contact_changed_cb (chat);
3859
3860         if (chat->input_text_view) {
3861                 gtk_widget_set_sensitive (chat->input_text_view, TRUE);
3862                 if (priv->block_events_timeout_id == 0) {
3863                         empathy_chat_view_append_event (chat->view, _("Connected"));
3864                 }
3865         }
3866
3867         g_object_notify (G_OBJECT (chat), "tp-chat");
3868         g_object_notify (G_OBJECT (chat), "id");
3869         g_object_notify (G_OBJECT (chat), "account");
3870
3871         /* This is a noop when tp-chat is set at object construction time and causes
3872          * the pending messages to be show when it's set on the object after it has
3873          * been created */
3874         show_pending_messages (chat);
3875
3876         /* check if a password is needed */
3877         chat_password_needed_changed_cb (chat);
3878 }
3879
3880 TpAccount *
3881 empathy_chat_get_account (EmpathyChat *chat)
3882 {
3883         EmpathyChatPriv *priv = GET_PRIV (chat);
3884
3885         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
3886
3887         return priv->account;
3888 }
3889
3890 const gchar *
3891 empathy_chat_get_id (EmpathyChat *chat)
3892 {
3893         EmpathyChatPriv *priv = GET_PRIV (chat);
3894
3895         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
3896
3897         return priv->id;
3898 }
3899
3900 gchar *
3901 empathy_chat_dup_name (EmpathyChat *chat)
3902 {
3903         EmpathyChatPriv *priv = GET_PRIV (chat);
3904         const gchar *ret;
3905
3906         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
3907
3908         ret = priv->name;
3909
3910         if (!ret && priv->remote_contact) {
3911                 ret = empathy_contact_get_alias (priv->remote_contact);
3912         }
3913
3914         if (!ret)
3915                 ret = priv->id;
3916
3917         if (!ret)
3918                 ret = _("Conversation");
3919
3920         if (priv->sms_channel)
3921                 /* Translators: this string is a something like
3922                  * "Escher Cat (SMS)" */
3923                 return g_strdup_printf (_("%s (SMS)"), ret);
3924         else
3925                 return g_strdup (ret);
3926 }
3927
3928 const gchar *
3929 empathy_chat_get_subject (EmpathyChat *chat)
3930 {
3931         EmpathyChatPriv *priv = GET_PRIV (chat);
3932
3933         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
3934
3935         return priv->subject;
3936 }
3937
3938 EmpathyContact *
3939 empathy_chat_get_remote_contact (EmpathyChat *chat)
3940 {
3941         EmpathyChatPriv *priv = GET_PRIV (chat);
3942
3943         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
3944
3945         return priv->remote_contact;
3946 }
3947
3948 GtkWidget *
3949 empathy_chat_get_contact_menu (EmpathyChat *chat)
3950 {
3951         EmpathyChatPriv *priv = GET_PRIV (chat);
3952         GtkWidget       *menu = NULL;
3953
3954         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
3955
3956         if (priv->remote_contact) {
3957                 menu = empathy_contact_menu_new (priv->remote_contact,
3958                                                  EMPATHY_CONTACT_FEATURE_CALL |
3959                                                  EMPATHY_CONTACT_FEATURE_LOG |
3960                                                  EMPATHY_CONTACT_FEATURE_INFO |
3961                                                  EMPATHY_CONTACT_FEATURE_BLOCK);
3962         }
3963
3964         return menu;
3965 }
3966
3967 void
3968 empathy_chat_clear (EmpathyChat *chat)
3969 {
3970         g_return_if_fail (EMPATHY_IS_CHAT (chat));
3971
3972         empathy_chat_view_clear (chat->view);
3973 }
3974
3975 void
3976 empathy_chat_scroll_down (EmpathyChat *chat)
3977 {
3978         g_return_if_fail (EMPATHY_IS_CHAT (chat));
3979
3980         empathy_chat_view_scroll_down (chat->view);
3981 }
3982
3983 void
3984 empathy_chat_cut (EmpathyChat *chat)
3985 {
3986         GtkTextBuffer *buffer;
3987
3988         g_return_if_fail (EMPATHY_IS_CHAT (chat));
3989
3990         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
3991         if (gtk_text_buffer_get_has_selection (buffer)) {
3992                 GtkClipboard *clipboard;
3993
3994                 clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
3995
3996                 gtk_text_buffer_cut_clipboard (buffer, clipboard, TRUE);
3997         }
3998 }
3999
4000 void
4001 empathy_chat_copy (EmpathyChat *chat)
4002 {
4003         GtkTextBuffer *buffer;
4004
4005         g_return_if_fail (EMPATHY_IS_CHAT (chat));
4006
4007         if (empathy_chat_view_get_has_selection (chat->view)) {
4008                 empathy_chat_view_copy_clipboard (chat->view);
4009                 return;
4010         }
4011
4012         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
4013         if (gtk_text_buffer_get_has_selection (buffer)) {
4014                 GtkClipboard *clipboard;
4015
4016                 clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
4017
4018                 gtk_text_buffer_copy_clipboard (buffer, clipboard);
4019         }
4020         else {
4021                 gint start_offset;
4022                 gint end_offset;
4023                 EmpathyChatPriv *priv = GET_PRIV (chat);
4024
4025                 if (gtk_label_get_selection_bounds (GTK_LABEL (priv->label_topic),
4026                                                                &start_offset,
4027                                                                &end_offset)) {
4028                         gchar *start;
4029                         gchar *end;
4030                         gchar *selection;
4031                         const gchar *topic;
4032                         GtkClipboard *clipboard;
4033
4034                         topic = gtk_label_get_text (GTK_LABEL (priv->label_topic));
4035                         start = g_utf8_offset_to_pointer (topic, start_offset);
4036                         end = g_utf8_offset_to_pointer (topic, end_offset);
4037                         selection = g_strndup (start, end - start);
4038
4039                         clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
4040                         gtk_clipboard_set_text (clipboard, selection, -1);
4041
4042                         g_free (selection);
4043                 }
4044         }
4045 }
4046
4047 void
4048 empathy_chat_paste (EmpathyChat *chat)
4049 {
4050         GtkTextBuffer *buffer;
4051         GtkClipboard  *clipboard;
4052         EmpathyChatPriv *priv;
4053
4054         g_return_if_fail (EMPATHY_IS_CHAT (chat));
4055
4056         priv = GET_PRIV (chat);
4057
4058         if (gtk_widget_get_visible (priv->search_bar)) {
4059                 empathy_search_bar_paste_clipboard (EMPATHY_SEARCH_BAR (priv->search_bar));
4060                 return;
4061         }
4062
4063         if (priv->tp_chat == NULL ||
4064             !gtk_widget_is_sensitive (chat->input_text_view))
4065                 return;
4066
4067         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
4068         clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
4069
4070         gtk_text_buffer_paste_clipboard (buffer, clipboard, NULL, TRUE);
4071 }
4072
4073 void
4074 empathy_chat_find (EmpathyChat *chat)
4075 {
4076         EmpathyChatPriv *priv;
4077
4078         g_return_if_fail (EMPATHY_IS_CHAT (chat));
4079
4080         priv = GET_PRIV (chat);
4081
4082         empathy_search_bar_show (EMPATHY_SEARCH_BAR (priv->search_bar));
4083 }
4084
4085 void
4086 empathy_chat_correct_word (EmpathyChat  *chat,
4087                           GtkTextIter *start,
4088                           GtkTextIter *end,
4089                           const gchar *new_word)
4090 {
4091         GtkTextBuffer *buffer;
4092
4093         g_return_if_fail (chat != NULL);
4094         g_return_if_fail (new_word != NULL);
4095
4096         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
4097
4098         gtk_text_buffer_delete (buffer, start, end);
4099         gtk_text_buffer_insert (buffer, start,
4100                                 new_word,
4101                                 -1);
4102 }
4103
4104 gboolean
4105 empathy_chat_is_room (EmpathyChat *chat)
4106 {
4107         EmpathyChatPriv *priv = GET_PRIV (chat);
4108
4109         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), FALSE);
4110
4111         return (priv->handle_type == TP_HANDLE_TYPE_ROOM);
4112 }
4113
4114 guint
4115 empathy_chat_get_nb_unread_messages (EmpathyChat *self)
4116 {
4117         EmpathyChatPriv *priv = GET_PRIV (self);
4118
4119         g_return_val_if_fail (EMPATHY_IS_CHAT (self), 0);
4120
4121         return priv->unread_messages;
4122 }
4123
4124 /* called when the messages have been read by user */
4125 void
4126 empathy_chat_messages_read (EmpathyChat *self)
4127 {
4128         EmpathyChatPriv *priv = GET_PRIV (self);
4129
4130         g_return_if_fail (EMPATHY_IS_CHAT (self));
4131
4132         /* FIXME: See Bug#610994, See comments about it in EmpathyChatPriv
4133          * definition. If we are still retrieving the backlogs, do not ACK */
4134         if (priv->retrieving_backlogs)
4135                 return;
4136
4137         if (priv->tp_chat != NULL) {
4138                 tp_text_channel_ack_all_pending_messages_async (
4139                         TP_TEXT_CHANNEL (priv->tp_chat), NULL, NULL);
4140         }
4141
4142         if (priv->unread_messages_when_offline > 0) {
4143                 /* We can't ack those as the connection has gone away so just consider
4144                 * them as read. */
4145                 priv->unread_messages -= priv->unread_messages_when_offline;
4146                 g_object_notify (G_OBJECT (self), "nb-unread-messages");
4147                 priv->unread_messages_when_offline = 0;
4148         }
4149 }
4150
4151 /* Return TRUE if on of the contacts in this chat is composing */
4152 gboolean
4153 empathy_chat_is_composing (EmpathyChat *chat)
4154 {
4155   return chat->priv->compositors != NULL;
4156 }
4157
4158 gboolean
4159 empathy_chat_is_sms_channel (EmpathyChat *self)
4160 {
4161         EmpathyChatPriv *priv = GET_PRIV (self);
4162
4163         g_return_val_if_fail (EMPATHY_IS_CHAT (self), 0);
4164
4165         return priv->sms_channel;
4166 }
4167
4168 guint
4169 empathy_chat_get_n_messages_sending (EmpathyChat *self)
4170 {
4171         EmpathyChatPriv *priv;
4172
4173         g_return_val_if_fail (EMPATHY_IS_CHAT (self), 0);
4174
4175         priv = GET_PRIV (self);
4176
4177         if (priv->tp_chat == NULL) {
4178                 return 0;
4179         } else {
4180                 guint n_messages;
4181
4182                 g_object_get (priv->tp_chat,
4183                         "n-messages-sending", &n_messages,
4184                         NULL);
4185
4186                 return n_messages;
4187         }
4188 }
4189
4190 gchar *
4191 empathy_chat_dup_text (EmpathyChat *self)
4192 {
4193         GtkTextBuffer *buffer;
4194         GtkTextIter     start, end;
4195
4196         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (self->input_text_view));
4197
4198         gtk_text_buffer_get_bounds (buffer, &start, &end);
4199         return gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
4200 }
4201
4202 void
4203 empathy_chat_set_text (EmpathyChat *self,
4204                        const gchar *text)
4205 {
4206         GtkTextBuffer *buffer;
4207
4208         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (self->input_text_view));
4209
4210         gtk_text_buffer_set_text (buffer, text, -1);
4211 }