libempathy-gtk/empathy-chat.c

   1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
   2 /*
   3  * Copyright (C) 2002-2007 Imendio AB
   4  * Copyright (C) 2007-2010 Collabora Ltd.
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License as
   8  * published by the Free Software Foundation; either version 2 of the
   9  * License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public
  17  * License along with this program; if not, write to the
  18  * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
  19  * Boston, MA  02110-1301  USA
  20  *
  21  * Authors: Mikael Hallendal <micke@imendio.com>
  22  *          Richard Hult <richard@imendio.com>
  23  *          Martyn Russell <martyn@imendio.com>
  24  *          Geert-Jan Van den Bogaerde <geertjan@gnome.org>
  25  *          Xavier Claessens <xclaesse@gmail.com>
  26  */
  27
  28 #include <config.h>
  29
  30 #include <string.h>
  31 #include <stdlib.h>
  32
  33 #undef G_DISABLE_DEPRECATED /* for GCompletion */
  34 #include <gdk/gdkkeysyms.h>
  35 #include <glib/gi18n-lib.h>
  36 #include <gtk/gtk.h>
  37
  38 #include <telepathy-glib/account-manager.h>
  39 #include <telepathy-glib/util.h>
  40 #include <telepathy-logger/log-manager.h>
  41 #include <libempathy/empathy-contact-list.h>
  42 #include <libempathy/empathy-gsettings.h>
  43 #include <libempathy/empathy-keyring.h>
  44 #include <libempathy/empathy-utils.h>
  45 #include <libempathy/empathy-request-util.h>
  46 #include <libempathy/empathy-chatroom-manager.h>
  47 #include <src/empathy-chat-window.h>
  48
  49 #include "empathy-chat.h"
  50 #include "empathy-spell.h"
  51 #include "empathy-contact-list-store.h"
  52 #include "empathy-contact-list-view.h"
  53 #include "empathy-contact-menu.h"
  54 #include "empathy-gtk-marshal.h"
  55 #include "empathy-input-text-view.h"
  56 #include "empathy-search-bar.h"
  57 #include "empathy-theme-manager.h"
  58 #include "empathy-smiley-manager.h"
  59 #include "empathy-ui-utils.h"
  60 #include "empathy-string-parser.h"
  61 #include "extensions/extensions.h"
  62
  63 #define DEBUG_FLAG EMPATHY_DEBUG_CHAT
  64 #include <libempathy/empathy-debug.h>
  65
  66 #define IS_ENTER(v) (v == GDK_KEY_Return || v == GDK_KEY_ISO_Enter || v == GDK_KEY_KP_Enter)
  67 #define COMPOSING_STOP_TIMEOUT 5
  68
  69 #define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyChat)
  70 struct _EmpathyChatPriv {
  71         EmpathyTpChat     *tp_chat;
  72         TpAccount         *account;
  73         gchar             *id;
  74         gchar             *name;
  75         gchar             *subject;
  76         EmpathyContact    *remote_contact;
  77         gboolean           show_contacts;
  78
  79         GSettings         *gsettings_chat;
  80         GSettings         *gsettings_ui;
  81
  82         TplLogManager     *log_manager;
  83         TpAccountManager  *account_manager;
  84         GList             *input_history;
  85         GList             *input_history_current;
  86         GList             *compositors;
  87         GCompletion       *completion;
  88         guint              composing_stop_timeout_id;
  89         guint              block_events_timeout_id;
  90         TpHandleType       handle_type;
  91         gint               contacts_width;
  92         gboolean           has_input_vscroll;
  93
  94         /* TRUE if spell checking is enabled, FALSE otherwise.
  95          * This is to keep track of the last state of spell checking
  96          * when it changes. */
  97         gboolean           spell_checking_enabled;
  98
  99         /* These store the signal handler ids for the enclosed text entry. */
 100         gulong             insert_text_id;
 101         gulong             delete_range_id;
 102         gulong             notify_cursor_position_id;
 103
 104         /* Source func ID for update_misspelled_words () */
 105         guint              update_misspelled_words_id;
 106         /* Source func ID for save_paned_pos_timeout () */
 107         guint              save_paned_pos_id;
 108
 109         GtkWidget         *widget;
 110         GtkWidget         *hpaned;
 111         GtkWidget         *vbox_left;
 112         GtkWidget         *scrolled_window_chat;
 113         GtkWidget         *scrolled_window_input;
 114         GtkWidget         *scrolled_window_contacts;
 115         GtkWidget         *hbox_topic;
 116         GtkWidget         *expander_topic;
 117         GtkWidget         *label_topic;
 118         GtkWidget         *contact_list_view;
 119         GtkWidget         *info_bar_vbox;
 120         GtkWidget         *search_bar;
 121
 122         guint              unread_messages;
 123         /* TRUE if the pending messages can be displayed. This is to avoid to show
 124          * pending messages *before* messages from logs. (#603980) */
 125         gboolean           can_show_pending;
 126
 127         /* FIXME: retrieving_backlogs flag is a workaround for Bug#610994 and should
 128          * be differently handled since it introduces another race condition, which
 129          * is really hard to occur, but still possible.
 130          *
 131          * With the current workaround (which has the race above), we need to be
 132          * sure to ACK any pending messages only when the retrieval of backlogs is
 133          * finished, that's why using retrieving_backlogs flag.
 134          * empathy_chat_messages_read () will check this variable and not ACK
 135          * anything when TRUE. It will be set TRUE at chat_constructed () and set
 136          * back to FALSE when the backlog has been retrieved and the pending
 137          * messages actually showed to the user.
 138          *
 139          * Race condition introduced with this workaround:
 140          * Scenario: a message is pending, the user is notified and selects the tab.
 141          * the tab with a pending message is focused before the messages are properly
 142          * shown (since the preparation of the window is slower AND async WRT the
 143          * tab showing), which means the user won't see any new messages (rare but
 144          * possible), if he/she will change tab focus before the messages are
 145          * properly shown, the tab will be set as 'seen' and the user won't be
 146          * notified again about the already notified pending messages when the
 147          * messages in tab will be properly shown */
 148         gboolean           retrieving_backlogs;
 149 };
 150
 151 typedef struct {
 152         gchar *text; /* Original message that was specified
 153                       * upon entry creation. */
 154         gchar *modified_text; /* Message that was modified by user.
 155                                * When no modifications were made, it is NULL */
 156 } InputHistoryEntry;
 157
 158 enum {
 159         COMPOSING,
 160         NEW_MESSAGE,
 161         LAST_SIGNAL
 162 };
 163
 164 enum {
 165         PROP_0,
 166         PROP_TP_CHAT,
 167         PROP_ACCOUNT,
 168         PROP_ID,
 169         PROP_NAME,
 170         PROP_SUBJECT,
 171         PROP_REMOTE_CONTACT,
 172         PROP_SHOW_CONTACTS,
 173 };
 174
 175 static guint signals[LAST_SIGNAL] = { 0 };
 176
 177 G_DEFINE_TYPE (EmpathyChat, empathy_chat, GTK_TYPE_BIN);
 178
 179 static gboolean update_misspelled_words (gpointer data);
 180
 181 static void
 182 chat_get_property (GObject    *object,
 183                    guint       param_id,
 184                    GValue     *value,
 185                    GParamSpec *pspec)
 186 {
 187         EmpathyChat *chat = EMPATHY_CHAT (object);
 188         EmpathyChatPriv *priv = GET_PRIV (object);
 189
 190         switch (param_id) {
 191         case PROP_TP_CHAT:
 192                 g_value_set_object (value, priv->tp_chat);
 193                 break;
 194         case PROP_ACCOUNT:
 195                 g_value_set_object (value, priv->account);
 196                 break;
 197         case PROP_NAME:
 198                 g_value_set_string (value, empathy_chat_get_name (chat));
 199                 break;
 200         case PROP_ID:
 201                 g_value_set_string (value, priv->id);
 202                 break;
 203         case PROP_SUBJECT:
 204                 g_value_set_string (value, priv->subject);
 205                 break;
 206         case PROP_REMOTE_CONTACT:
 207                 g_value_set_object (value, priv->remote_contact);
 208                 break;
 209         case PROP_SHOW_CONTACTS:
 210                 g_value_set_boolean (value, priv->show_contacts);
 211                 break;
 212         default:
 213                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 214                 break;
 215         };
 216 }
 217
 218 static void
 219 chat_set_property (GObject      *object,
 220                    guint         param_id,
 221                    const GValue *value,
 222                    GParamSpec   *pspec)
 223 {
 224         EmpathyChat *chat = EMPATHY_CHAT (object);
 225
 226         switch (param_id) {
 227         case PROP_TP_CHAT:
 228                 empathy_chat_set_tp_chat (chat, EMPATHY_TP_CHAT (g_value_get_object (value)));
 229                 break;
 230         case PROP_SHOW_CONTACTS:
 231                 empathy_chat_set_show_contacts (chat, g_value_get_boolean (value));
 232                 break;
 233         default:
 234                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 235                 break;
 236         };
 237 }
 238
 239 static void
 240 account_reconnected (EmpathyChat *chat,
 241                         TpAccount *account)
 242 {
 243         EmpathyChatPriv *priv = GET_PRIV (chat);
 244
 245         DEBUG ("Account reconnected, request a new Text channel");
 246
 247         /* FIXME: Ideally we should ask to handle ourself the channel so we can
 248         * report the error if any but this is blocked by
 249         * https://bugs.freedesktop.org/show_bug.cgi?id=13422 */
 250         switch (priv->handle_type) {
 251                 case TP_HANDLE_TYPE_CONTACT:
 252                         empathy_chat_with_contact_id (
 253                                 account, priv->id, TP_USER_ACTION_TIME_NOT_USER_ACTION);
 254                         break;
 255                 case TP_HANDLE_TYPE_ROOM:
 256                         empathy_join_muc (account, priv->id,
 257                                 TP_USER_ACTION_TIME_NOT_USER_ACTION);
 258                         break;
 259                 case TP_HANDLE_TYPE_NONE:
 260                 case TP_HANDLE_TYPE_LIST:
 261                 case TP_HANDLE_TYPE_GROUP:
 262                 default:
 263                         g_assert_not_reached ();
 264                         break;
 265         }
 266
 267         g_object_unref (chat);
 268 }
 269
 270 static void
 271 chat_new_connection_cb (TpAccount   *account,
 272                         guint        old_status,
 273                         guint        new_status,
 274                         guint        reason,
 275                         gchar       *dbus_error_name,
 276                         GHashTable  *details,
 277                         EmpathyChat *chat)
 278 {
 279         EmpathyChatPriv *priv = GET_PRIV (chat);
 280
 281         if (new_status != TP_CONNECTION_STATUS_CONNECTED)
 282                 return;
 283
 284         if (priv->tp_chat != NULL || account != priv->account ||
 285             priv->handle_type == TP_HANDLE_TYPE_NONE ||
 286             EMP_STR_EMPTY (priv->id))
 287                 return;
 288
 289         g_object_ref (chat);
 290
 291         account_reconnected (chat, account);
 292 }
 293
 294 static void
 295 chat_composing_remove_timeout (EmpathyChat *chat)
 296 {
 297         EmpathyChatPriv *priv;
 298
 299         priv = GET_PRIV (chat);
 300
 301         if (priv->composing_stop_timeout_id) {
 302                 g_source_remove (priv->composing_stop_timeout_id);
 303                 priv->composing_stop_timeout_id = 0;
 304         }
 305 }
 306
 307 static gboolean
 308 chat_composing_stop_timeout_cb (EmpathyChat *chat)
 309 {
 310         EmpathyChatPriv *priv;
 311
 312         priv = GET_PRIV (chat);
 313
 314         priv->composing_stop_timeout_id = 0;
 315         empathy_tp_chat_set_state (priv->tp_chat,
 316                                    TP_CHANNEL_CHAT_STATE_PAUSED);
 317
 318         return FALSE;
 319 }
 320
 321 static void
 322 chat_composing_start (EmpathyChat *chat)
 323 {
 324         EmpathyChatPriv *priv;
 325
 326         priv = GET_PRIV (chat);
 327
 328         if (priv->composing_stop_timeout_id) {
 329                 /* Just restart the timeout */
 330                 chat_composing_remove_timeout (chat);
 331         } else {
 332                 empathy_tp_chat_set_state (priv->tp_chat,
 333                                            TP_CHANNEL_CHAT_STATE_COMPOSING);
 334         }
 335
 336         priv->composing_stop_timeout_id = g_timeout_add_seconds (
 337                 COMPOSING_STOP_TIMEOUT,
 338                 (GSourceFunc) chat_composing_stop_timeout_cb,
 339                 chat);
 340 }
 341
 342 static void
 343 chat_composing_stop (EmpathyChat *chat)
 344 {
 345         EmpathyChatPriv *priv;
 346
 347         priv = GET_PRIV (chat);
 348
 349         chat_composing_remove_timeout (chat);
 350         empathy_tp_chat_set_state (priv->tp_chat,
 351                                    TP_CHANNEL_CHAT_STATE_ACTIVE);
 352 }
 353
 354 static gint
 355 chat_input_history_entry_cmp (InputHistoryEntry *entry,
 356                               const gchar *text)
 357 {
 358         if (!tp_strdiff (entry->text, text)) {
 359                 if (entry->modified_text != NULL) {
 360                         /* Modified entry and single string cannot be equal. */
 361                         return 1;
 362                 }
 363                 return 0;
 364         }
 365         return 1;
 366 }
 367
 368 static InputHistoryEntry *
 369 chat_input_history_entry_new_with_text (const gchar *text)
 370 {
 371         InputHistoryEntry *entry;
 372         entry = g_slice_new0 (InputHistoryEntry);
 373         entry->text = g_strdup (text);
 374
 375         return entry;
 376 }
 377
 378 static void
 379 chat_input_history_entry_free (InputHistoryEntry *entry)
 380 {
 381         g_free (entry->text);
 382         g_free (entry->modified_text);
 383         g_slice_free (InputHistoryEntry, entry);
 384 }
 385
 386 static void
 387 chat_input_history_entry_revert (InputHistoryEntry *entry)
 388 {
 389         g_free (entry->modified_text);
 390         entry->modified_text = NULL;
 391 }
 392
 393 static void
 394 chat_input_history_entry_update_text (InputHistoryEntry *entry,
 395                                       const gchar *text)
 396 {
 397         gchar *old;
 398
 399         if (!tp_strdiff (text, entry->text)) {
 400                 g_free (entry->modified_text);
 401                 entry->modified_text = NULL;
 402                 return;
 403         }
 404
 405         old = entry->modified_text;
 406         entry->modified_text = g_strdup (text);
 407         g_free (old);
 408 }
 409
 410 static const gchar *
 411 chat_input_history_entry_get_text (InputHistoryEntry *entry)
 412 {
 413         if (entry == NULL) {
 414                 return NULL;
 415         }
 416
 417         if (entry->modified_text != NULL) {
 418                 return entry->modified_text;
 419         }
 420         return entry->text;
 421 }
 422
 423 static GList *
 424 chat_input_history_remove_item (GList *list,
 425                                 GList *item)
 426 {
 427         list = g_list_remove_link (list, item);
 428         chat_input_history_entry_free (item->data);
 429         g_list_free_1 (item);
 430         return list;
 431 }
 432
 433 static void
 434 chat_input_history_revert (EmpathyChat *chat)
 435 {
 436         EmpathyChatPriv   *priv;
 437         GList             *list;
 438         GList             *item1;
 439         GList             *item2;
 440         InputHistoryEntry *entry;
 441
 442         priv = GET_PRIV (chat);
 443         list = priv->input_history;
 444
 445         if (list == NULL) {
 446                 DEBUG ("No input history");
 447                 return;
 448         }
 449
 450         /* Delete temporary entry */
 451         if (priv->input_history_current != NULL) {
 452                 item1 = list;
 453                 list = chat_input_history_remove_item (list, item1);
 454                 if (priv->input_history_current == item1) {
 455                         /* Removed temporary entry was current entry */
 456                         priv->input_history = list;
 457                         priv->input_history_current = NULL;
 458                         return;
 459                 }
 460         }
 461         else {
 462                 /* There is no entry to revert */
 463                 return;
 464         }
 465
 466         /* Restore the current history entry to original value */
 467         item1 = priv->input_history_current;
 468         entry = item1->data;
 469         chat_input_history_entry_revert (entry);
 470
 471         /* Remove restored entry if there is other occurance before this entry */
 472         item2 = g_list_find_custom (list, chat_input_history_entry_get_text (entry),
 473                                     (GCompareFunc) chat_input_history_entry_cmp);
 474         if (item2 != item1) {
 475                 list = chat_input_history_remove_item (list, item1);
 476         }
 477         else {
 478                 /* Remove other occurance of the restored entry */
 479                 item2 = g_list_find_custom (item1->next,
 480                                             chat_input_history_entry_get_text (entry),
 481                                             (GCompareFunc) chat_input_history_entry_cmp);
 482                 if (item2 != NULL) {
 483                         list = chat_input_history_remove_item (list, item2);
 484                 }
 485         }
 486
 487         priv->input_history_current = NULL;
 488         priv->input_history = list;
 489 }
 490
 491 static void
 492 chat_input_history_add (EmpathyChat  *chat,
 493                         const gchar *str,
 494                         gboolean temporary)
 495 {
 496         EmpathyChatPriv   *priv;
 497         GList             *list;
 498         GList             *item;
 499         InputHistoryEntry *entry;
 500
 501         priv = GET_PRIV (chat);
 502
 503         list = priv->input_history;
 504
 505         /* Remove any other occurances of this entry, if not temporary */
 506         if (!temporary) {
 507                 while ((item = g_list_find_custom (list, str,
 508                     (GCompareFunc) chat_input_history_entry_cmp)) != NULL) {
 509                         list = chat_input_history_remove_item (list, item);
 510                 }
 511
 512                 /* Trim the list to the last 10 items */
 513                 while (g_list_length (list) > 10) {
 514                         item = g_list_last (list);
 515                         if (item != NULL) {
 516                                 list = chat_input_history_remove_item (list, item);
 517                         }
 518                 }
 519         }
 520
 521
 522
 523         /* Add new entry */
 524         entry = chat_input_history_entry_new_with_text (str);
 525         list = g_list_prepend (list, entry);
 526
 527         /* Set the list and the current item pointer */
 528         priv->input_history = list;
 529         if (temporary) {
 530                 priv->input_history_current = list;
 531         }
 532         else {
 533                 priv->input_history_current = NULL;
 534         }
 535 }
 536
 537 static const gchar *
 538 chat_input_history_get_next (EmpathyChat *chat)
 539 {
 540         EmpathyChatPriv *priv;
 541         GList           *item;
 542         const gchar     *msg;
 543
 544         priv = GET_PRIV (chat);
 545
 546         if (priv->input_history == NULL) {
 547                 DEBUG ("No input history, next entry is NULL");
 548                 return NULL;
 549         }
 550         g_assert (priv->input_history_current != NULL);
 551
 552         if ((item = g_list_next (priv->input_history_current)) == NULL)
 553         {
 554                 item = priv->input_history_current;
 555         }
 556
 557         msg = chat_input_history_entry_get_text (item->data);
 558
 559         DEBUG ("Returning next entry: '%s'", msg);
 560
 561         priv->input_history_current = item;
 562
 563         return msg;
 564 }
 565
 566 static const gchar *
 567 chat_input_history_get_prev (EmpathyChat *chat)
 568 {
 569         EmpathyChatPriv *priv;
 570         GList           *item;
 571         const gchar     *msg;
 572
 573         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
 574
 575         priv = GET_PRIV (chat);
 576
 577         if (priv->input_history == NULL) {
 578                 DEBUG ("No input history, previous entry is NULL");
 579                 return NULL;
 580         }
 581
 582         if (priv->input_history_current == NULL)
 583         {
 584                 return NULL;
 585         }
 586         else if ((item = g_list_previous (priv->input_history_current)) == NULL)
 587         {
 588                 item = priv->input_history_current;
 589         }
 590
 591         msg = chat_input_history_entry_get_text (item->data);
 592
 593         DEBUG ("Returning previous entry: '%s'", msg);
 594
 595         priv->input_history_current = item;
 596
 597         return msg;
 598 }
 599
 600 static void
 601 chat_input_history_update (EmpathyChat *chat,
 602                            GtkTextBuffer *buffer)
 603 {
 604         EmpathyChatPriv      *priv;
 605         GtkTextIter           start, end;
 606         gchar                *text;
 607         InputHistoryEntry    *entry;
 608
 609         priv = GET_PRIV (chat);
 610
 611         gtk_text_buffer_get_bounds (buffer, &start, &end);
 612         text = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
 613
 614         if (priv->input_history_current == NULL) {
 615                 /* Add the current text temporarily to the history */
 616                 chat_input_history_add (chat, text, TRUE);
 617                 g_free (text);
 618                 return;
 619         }
 620
 621         /* Save the changes in the history */
 622         entry = priv->input_history_current->data;
 623         if (tp_strdiff (chat_input_history_entry_get_text (entry), text)) {
 624                 chat_input_history_entry_update_text (entry, text);
 625         }
 626
 627         g_free (text);
 628 }
 629
 630 typedef struct {
 631         EmpathyChat *chat;
 632         gchar *message;
 633 } ChatCommandMsgData;
 634
 635 static void
 636 chat_command_msg_cb (GObject *source,
 637                               GAsyncResult *result,
 638                               gpointer                  user_data)
 639 {
 640         ChatCommandMsgData *data = user_data;
 641         GError *error = NULL;
 642         TpChannel *channel;
 643
 644         channel = tp_account_channel_request_ensure_and_observe_channel_finish (
 645                                         TP_ACCOUNT_CHANNEL_REQUEST (source), result, &error);
 646
 647         if (channel == NULL) {
 648                 DEBUG ("Failed to get channel: %s", error->message);
 649                 g_error_free (error);
 650
 651                 empathy_chat_view_append_event (data->chat->view,
 652                         _("Failed to open private chat"));
 653                 goto OUT;
 654         }
 655
 656         if (!EMP_STR_EMPTY (data->message) && TP_IS_TEXT_CHANNEL (channel)) {
 657                 TpTextChannel *text = (TpTextChannel *) channel;
 658                 TpMessage *msg;
 659
 660                 msg = tp_client_message_new_text (TP_CHANNEL_TEXT_MESSAGE_TYPE_NORMAL,
 661                         data->message);
 662
 663                 tp_text_channel_send_message_async (text, msg, 0, NULL, NULL);
 664
 665                 g_object_unref (msg);
 666         }
 667
 668         g_object_unref (channel);
 669
 670 OUT:
 671         g_free (data->message);
 672         g_slice_free (ChatCommandMsgData, data);
 673 }
 674
 675 static gboolean
 676 nick_command_supported (EmpathyChat *chat)
 677 {
 678         EmpathyChatPriv * priv = GET_PRIV (chat);
 679         TpConnection    *connection;
 680
 681         connection = empathy_tp_chat_get_connection (priv->tp_chat);
 682         return tp_proxy_has_interface_by_id (connection,
 683                 EMP_IFACE_QUARK_CONNECTION_INTERFACE_RENAMING);
 684 }
 685
 686 #if 0
 687 static gboolean
 688 part_command_supported (EmpathyChat *chat)
 689 {
 690         EmpathyChatPriv * priv = GET_PRIV (chat);
 691         TpChannel *channel;
 692
 693         channel = empathy_tp_chat_get_channel (priv->tp_chat);
 694         return tp_proxy_has_interface_by_id (channel,
 695                         TP_IFACE_QUARK_CHANNEL_INTERFACE_GROUP);
 696 }
 697 #endif
 698
 699 static void
 700 chat_command_clear (EmpathyChat *chat,
 701                     GStrv        strv)
 702 {
 703         empathy_chat_view_clear (chat->view);
 704 }
 705
 706 static void
 707 chat_command_topic (EmpathyChat *chat,
 708                     GStrv        strv)
 709 {
 710         EmpathyChatPriv *priv = GET_PRIV (chat);
 711         EmpathyTpChatProperty *property;
 712         GValue value = {0, };
 713
 714         property = empathy_tp_chat_get_property (priv->tp_chat, "subject");
 715         if (property == NULL) {
 716                 empathy_chat_view_append_event (chat->view,
 717                         _("Topic not supported on this conversation"));
 718                 return;
 719         }
 720
 721         if (!(property->flags & TP_PROPERTY_FLAG_WRITE)) {
 722                 empathy_chat_view_append_event (chat->view,
 723                         _("You are not allowed to change the topic"));
 724                 return;
 725         }
 726
 727         g_value_init (&value, G_TYPE_STRING);
 728         g_value_set_string (&value, strv[1]);
 729         empathy_tp_chat_set_property (priv->tp_chat, "subject", &value);
 730         g_value_unset (&value);
 731 }
 732
 733 void
 734 empathy_chat_join_muc (EmpathyChat *chat,
 735                    const gchar   *room)
 736 {
 737         EmpathyChatPriv *priv = GET_PRIV (chat);
 738
 739         empathy_join_muc (priv->account, room,
 740                 gtk_get_current_event_time ());
 741 }
 742
 743 static void
 744 chat_command_join (EmpathyChat *chat,
 745                    GStrv        strv)
 746 {
 747         guint i = 0;
 748
 749         GStrv rooms = g_strsplit_set (strv[1], ", ", -1);
 750
 751         /* FIXME: Ideally we should ask to handle ourself the channel so we can
 752         * report the error if any but this is blocked by
 753         * https://bugs.freedesktop.org/show_bug.cgi?id=13422 */
 754         while (rooms[i] != NULL) {
 755                 /* ignore empty strings */
 756                 if (!EMP_STR_EMPTY (rooms[i])) {
 757                         empathy_chat_join_muc (chat, rooms[i]);
 758                 }
 759                 i++;
 760         }
 761         g_strfreev (rooms);
 762 }
 763
 764 void
 765 empathy_chat_leave_chat (EmpathyChat *chat)
 766 {
 767         EmpathyChatPriv *priv = GET_PRIV (chat);
 768
 769         empathy_tp_chat_leave (priv->tp_chat, "");
 770 }
 771
 772 #if 0
 773 static void
 774 chat_command_part (EmpathyChat *chat,
 775                            GStrv        strv)
 776 {
 777         EmpathyChatPriv *priv = GET_PRIV (chat);
 778         EmpathyChat *chat_to_be_parted;
 779
 780         if (strv[1] == NULL) {
 781                 empathy_tp_chat_leave (priv->tp_chat, "");
 782                 return;
 783         }
 784         chat_to_be_parted = empathy_chat_window_find_chat (priv->account, strv[1]);
 785
 786         if (chat_to_be_parted != NULL) {
 787                 empathy_tp_chat_leave (empathy_chat_get_tp_chat (chat_to_be_parted), strv[2]);
 788         } else {
 789                 empathy_tp_chat_leave (priv->tp_chat, strv[1]);
 790         }
 791 }
 792 #endif
 793
 794 static void
 795 chat_command_msg_internal (EmpathyChat *chat,
 796                            const gchar *contact_id,
 797                            const gchar *message)
 798 {
 799         EmpathyChatPriv *priv = GET_PRIV (chat);
 800         ChatCommandMsgData *data;
 801         TpAccountChannelRequest *req;
 802         GHashTable *request;
 803
 804         request = tp_asv_new (
 805                 TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING, TP_IFACE_CHANNEL_TYPE_TEXT,
 806                 TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, G_TYPE_UINT, TP_HANDLE_TYPE_CONTACT,
 807                 TP_PROP_CHANNEL_TARGET_ID, G_TYPE_STRING, contact_id,
 808                 NULL);
 809
 810         req = tp_account_channel_request_new (priv->account, request,
 811                 tp_user_action_time_from_x11 (gtk_get_current_event_time ()));
 812
 813         /* FIXME: We should probably search in members alias. But this
 814          * is enough for IRC */
 815         data = g_slice_new (ChatCommandMsgData);
 816         data->chat = chat;
 817         data->message = g_strdup (message);
 818
 819         tp_account_channel_request_ensure_and_observe_channel_async (req,
 820                 EMPATHY_CHAT_BUS_NAME, NULL, chat_command_msg_cb, data);
 821
 822         g_object_unref (req);
 823         g_hash_table_unref (request);
 824 }
 825
 826 static void
 827 chat_command_query (EmpathyChat *chat,
 828                     GStrv        strv)
 829 {
 830         /* If <message> part is not defined,
 831          * strv[2] will be the terminal NULL */
 832         chat_command_msg_internal (chat, strv[1], strv[2]);
 833 }
 834
 835 static void
 836 chat_command_msg (EmpathyChat *chat,
 837                   GStrv        strv)
 838 {
 839         chat_command_msg_internal (chat, strv[1], strv[2]);
 840 }
 841
 842 static void
 843 callback_for_request_rename (TpProxy *proxy,
 844                   const GError *error,
 845                   gpointer user_data,
 846                   GObject *weak_object)
 847 {
 848         if (error != NULL) {
 849                 DEBUG ("Call to RequestRename method failed: %s",error->message);
 850         }
 851 }
 852
 853 static void
 854 chat_command_nick (EmpathyChat *chat,
 855                    GStrv        strv)
 856 {
 857         EmpathyChatPriv *priv = GET_PRIV (chat);
 858         TpProxy *proxy;
 859
 860         proxy = TP_PROXY (tp_account_get_connection (priv->account));
 861
 862         emp_cli_connection_interface_renaming_call_request_rename (proxy, -1,
 863                 strv[1], callback_for_request_rename, NULL, NULL, NULL);
 864 }
 865
 866 static void
 867 chat_command_me (EmpathyChat *chat,
 868                   GStrv        strv)
 869 {
 870         EmpathyChatPriv *priv = GET_PRIV (chat);
 871         EmpathyMessage *message;
 872         TpChannel *channel;
 873
 874         channel = empathy_tp_chat_get_channel (priv->tp_chat);
 875
 876         /* Strictly speaking we don't depend yet on Messages so best to check that
 877          * the channel is actually a TpTextChannel before casting it. */
 878         if (TP_IS_TEXT_CHANNEL (channel) &&
 879                 !tp_text_channel_supports_message_type (TP_TEXT_CHANNEL (channel),
 880                         TP_CHANNEL_TEXT_MESSAGE_TYPE_ACTION)) {
 881                 /* Action message are not supported, 'simulate' the action */
 882                 EmpathyContact *self_contact;
 883                 gchar *tmp;
 884
 885                 self_contact = empathy_tp_chat_get_self_contact (priv->tp_chat);
 886                 /* The TpChat can't be ready if it doesn't have the self contact */
 887                 g_assert (self_contact != NULL);
 888
 889                 tmp = g_strdup_printf ("%s %s", empathy_contact_get_alias (self_contact),
 890                         strv[1]);
 891                 message = empathy_message_new (tmp);
 892                 g_free (tmp);
 893         }
 894         else {
 895                 message = empathy_message_new (strv[1]);
 896                 empathy_message_set_tptype (message, TP_CHANNEL_TEXT_MESSAGE_TYPE_ACTION);
 897         }
 898
 899         empathy_tp_chat_send (priv->tp_chat, message);
 900         g_object_unref (message);
 901 }
 902
 903 static void
 904 chat_command_say (EmpathyChat *chat,
 905                   GStrv        strv)
 906 {
 907         EmpathyChatPriv *priv = GET_PRIV (chat);
 908         EmpathyMessage *message;
 909
 910         message = empathy_message_new (strv[1]);
 911         empathy_tp_chat_send (priv->tp_chat, message);
 912         g_object_unref (message);
 913 }
 914
 915 static void chat_command_help (EmpathyChat *chat, GStrv strv);
 916
 917 typedef void (*ChatCommandFunc) (EmpathyChat *chat, GStrv strv);
 918
 919 typedef struct {
 920         const gchar *prefix;
 921         guint min_parts;
 922         guint max_parts;
 923         ChatCommandFunc func;
 924         gboolean (*is_supported)(EmpathyChat *chat);
 925         const gchar *help;
 926 } ChatCommandItem;
 927
 928 static ChatCommandItem commands[] = {
 929         {"clear", 1, 1, chat_command_clear, NULL,
 930          N_("/clear: clear all messages from the current conversation")},
 931
 932         {"topic", 2, 2, chat_command_topic, NULL,
 933          N_("/topic <topic>: set the topic of the current conversation")},
 934
 935         {"join", 2, 2, chat_command_join, NULL,
 936          N_("/join <chat room ID>: join a new chat room")},
 937
 938         {"j", 2, 2, chat_command_join, NULL,
 939          N_("/j <chat room ID>: join a new chat room")},
 940
 941 #if 0
 942         /* FIXME: https://bugzilla.gnome.org/show_bug.cgi?id=643295 */
 943         {"part", 1, 3, chat_command_part, part_command_supported,
 944          N_("/part [<chat room ID>] [<reason>]: leave the chat room, "
 945             "by default the current one")},
 946 #endif
 947
 948         {"query", 2, 3, chat_command_query, NULL,
 949          N_("/query <contact ID> [<message>]: open a private chat")},
 950
 951         {"msg", 3, 3, chat_command_msg, NULL,
 952          N_("/msg <contact ID> <message>: open a private chat")},
 953
 954         {"nick", 2, 2, chat_command_nick, nick_command_supported,
 955          N_("/nick <nickname>: change your nickname on the current server")},
 956
 957         {"me", 2, 2, chat_command_me, NULL,
 958          N_("/me <message>: send an ACTION message to the current conversation")},
 959
 960         {"say", 2, 2, chat_command_say, NULL,
 961          N_("/say <message>: send <message> to the current conversation. "
 962             "This is used to send a message starting with a '/'. For example: "
 963             "\"/say /join is used to join a new chat room\"")},
 964
 965         {"help", 1, 2, chat_command_help, NULL,
 966          N_("/help [<command>]: show all supported commands. "
 967             "If <command> is defined, show its usage.")},
 968 };
 969
 970 static void
 971 chat_command_show_help (EmpathyChat     *chat,
 972                         ChatCommandItem *item)
 973 {
 974         gchar *str;
 975
 976         str = g_strdup_printf (_("Usage: %s"), _(item->help));
 977         empathy_chat_view_append_event (chat->view, str);
 978         g_free (str);
 979 }
 980
 981 static void
 982 chat_command_help (EmpathyChat *chat,
 983                    GStrv        strv)
 984 {
 985         guint i;
 986
 987         /* If <command> part is not defined,
 988          * strv[1] will be the terminal NULL */
 989         if (strv[1] == NULL) {
 990                 for (i = 0; i < G_N_ELEMENTS (commands); i++) {
 991                         if (commands[i].is_supported != NULL) {
 992                                 if (!commands[i].is_supported (chat)) {
 993                                         continue;
 994                                 }
 995                         }
 996                     empathy_chat_view_append_event (chat->view,
 997                             _(commands[i].help));
 998                 }
 999                 return;
1000         }
1001
1002         for (i = 0; i < G_N_ELEMENTS (commands); i++) {
1003                 if (g_ascii_strcasecmp (strv[1], commands[i].prefix) == 0) {
1004                         if (commands[i].is_supported != NULL) {
1005                                 if (!commands[i].is_supported (chat)) {
1006                                         break;
1007                                 }
1008                         }
1009                         chat_command_show_help (chat, &commands[i]);
1010                         return;
1011                 }
1012         }
1013
1014         empathy_chat_view_append_event (chat->view,
1015                 _("Unknown command"));
1016 }
1017
1018 static GStrv
1019 chat_command_parse (const gchar *text, guint max_parts)
1020 {
1021         GPtrArray *array;
1022         gchar *item;
1023
1024         DEBUG ("Parse command, parts=%d text=\"%s\":", max_parts, text);
1025
1026         array = g_ptr_array_sized_new (max_parts + 1);
1027         while (max_parts > 1) {
1028                 const gchar *end;
1029
1030                 /* Skip white spaces */
1031                 while (g_ascii_isspace (*text)) {
1032                         text++;
1033                 }
1034
1035                 /* Search the end of this part, until first space. */
1036                 for (end = text; *end != '\0' && !g_ascii_isspace (*end); end++)
1037                         /* Do nothing */;
1038                 if (*end == '\0') {
1039                         break;
1040                 }
1041
1042                 item = g_strndup (text, end - text);
1043                 g_ptr_array_add (array, item);
1044                 DEBUG ("\tITEM: \"%s\"", item);
1045
1046                 text = end;
1047                 max_parts--;
1048         }
1049
1050         /* Append last part if not empty */
1051         item = g_strstrip (g_strdup (text));
1052         if (!EMP_STR_EMPTY (item)) {
1053                 g_ptr_array_add (array, item);
1054                 DEBUG ("\tITEM: \"%s\"", item);
1055         } else {
1056                 g_free (item);
1057         }
1058
1059         /* Make the array NULL-terminated */
1060         g_ptr_array_add (array, NULL);
1061
1062         return (GStrv) g_ptr_array_free (array, FALSE);
1063 }
1064
1065 static gboolean
1066 has_prefix_case (const gchar *s,
1067                   const gchar *prefix)
1068 {
1069         return g_ascii_strncasecmp (s, prefix, strlen (prefix)) == 0;
1070 }
1071
1072 static void
1073 chat_send (EmpathyChat  *chat,
1074            const gchar *msg)
1075 {
1076         EmpathyChatPriv *priv;
1077         EmpathyMessage  *message;
1078         guint            i;
1079
1080         if (EMP_STR_EMPTY (msg)) {
1081                 return;
1082         }
1083
1084         priv = GET_PRIV (chat);
1085
1086         chat_input_history_add (chat, msg, FALSE);
1087
1088         if (msg[0] == '/') {
1089                 gboolean second_slash = FALSE;
1090                 const gchar *iter = msg + 1;
1091
1092                 for (i = 0; i < G_N_ELEMENTS (commands); i++) {
1093                         GStrv strv;
1094                         guint strv_len;
1095                         gchar c;
1096
1097                         if (!has_prefix_case (msg + 1, commands[i].prefix)) {
1098                                 continue;
1099                         }
1100                         c = *(msg + 1 + strlen (commands[i].prefix));
1101                         if (c != '\0' && !g_ascii_isspace (c)) {
1102                                 continue;
1103                         }
1104                         if (commands[i].is_supported != NULL) {
1105                                 if (!commands[i].is_supported (chat)) {
1106                                         continue;
1107                                 }
1108                         }
1109
1110                         /* We can't use g_strsplit here because it does
1111                          * not deal correctly if we have more than one space
1112                          * between args */
1113                         strv = chat_command_parse (msg + 1, commands[i].max_parts);
1114
1115                         strv_len = g_strv_length (strv);
1116                         if (strv_len < commands[i].min_parts ||
1117                             strv_len > commands[i].max_parts) {
1118                                 chat_command_show_help (chat, &commands[i]);
1119                                 g_strfreev (strv);
1120                                 return;
1121                         }
1122
1123                         commands[i].func (chat, strv);
1124                         g_strfreev (strv);
1125                         return;
1126                 }
1127
1128                 /* Also allow messages with two slashes before the
1129                  * first space, so it is possible to send a /unix/path.
1130                  * This heuristic is kind of crap. */
1131                 while (*iter != '\0' && !g_ascii_isspace (*iter)) {
1132                         if (*iter == '/') {
1133                                 second_slash = TRUE;
1134                                 break;
1135                         }
1136                         iter++;
1137                 }
1138
1139                 if (!second_slash) {
1140                         empathy_chat_view_append_event (chat->view,
1141                                 _("Unknown command; see /help for the available"
1142                                   " commands"));
1143                         return;
1144                 }
1145         }
1146
1147         message = empathy_message_new (msg);
1148         empathy_tp_chat_send (priv->tp_chat, message);
1149         g_object_unref (message);
1150 }
1151
1152 static void
1153 chat_input_text_view_send (EmpathyChat *chat)
1154 {
1155         GtkTextBuffer  *buffer;
1156         GtkTextIter     start, end;
1157         gchar          *msg;
1158
1159         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1160
1161         gtk_text_buffer_get_bounds (buffer, &start, &end);
1162         msg = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
1163
1164         /* clear the input field */
1165         gtk_text_buffer_set_text (buffer, "", -1);
1166         /* delete input history modifications */
1167         chat_input_history_revert (chat);
1168
1169         chat_send (chat, msg);
1170         g_free (msg);
1171 }
1172
1173 static void
1174 chat_state_changed_cb (EmpathyTpChat      *tp_chat,
1175                        EmpathyContact     *contact,
1176                        TpChannelChatState  state,
1177                        EmpathyChat        *chat)
1178 {
1179         EmpathyChatPriv *priv;
1180         GList          *l;
1181         gboolean        was_composing;
1182
1183         priv = GET_PRIV (chat);
1184
1185         if (empathy_contact_is_user (contact)) {
1186                 /* We don't care about our own chat state */
1187                 return;
1188         }
1189
1190         was_composing = (priv->compositors != NULL);
1191
1192         /* Find the contact in the list. After that l is the list elem or NULL */
1193         for (l = priv->compositors; l; l = l->next) {
1194                 if (contact == l->data) {
1195                         break;
1196                 }
1197         }
1198
1199         switch (state) {
1200         case TP_CHANNEL_CHAT_STATE_GONE:
1201         case TP_CHANNEL_CHAT_STATE_INACTIVE:
1202         case TP_CHANNEL_CHAT_STATE_PAUSED:
1203         case TP_CHANNEL_CHAT_STATE_ACTIVE:
1204                 /* Contact is not composing */
1205                 if (l) {
1206                         priv->compositors = g_list_remove_link (priv->compositors, l);
1207                         g_object_unref (l->data);
1208                         g_list_free1 (l);
1209                 }
1210                 break;
1211         case TP_CHANNEL_CHAT_STATE_COMPOSING:
1212                 /* Contact is composing */
1213                 if (!l) {
1214                         priv->compositors = g_list_prepend (priv->compositors,
1215                                                             g_object_ref (contact));
1216                 }
1217                 break;
1218         default:
1219                 g_assert_not_reached ();
1220         }
1221
1222         DEBUG ("Was composing: %s now composing: %s",
1223                 was_composing ? "yes" : "no",
1224                 priv->compositors ? "yes" : "no");
1225
1226         if ((was_composing && !priv->compositors) ||
1227             (!was_composing && priv->compositors)) {
1228                 /* Composing state changed */
1229                 g_signal_emit (chat, signals[COMPOSING], 0,
1230                                priv->compositors != NULL);
1231         }
1232 }
1233
1234 static void
1235 chat_message_received (EmpathyChat *chat,
1236         EmpathyMessage *message,
1237         gboolean pending)
1238 {
1239         EmpathyChatPriv *priv = GET_PRIV (chat);
1240         EmpathyContact  *sender;
1241
1242         sender = empathy_message_get_sender (message);
1243
1244         DEBUG ("Appending new message from %s (%d)",
1245                 empathy_contact_get_alias (sender),
1246                 empathy_contact_get_handle (sender));
1247
1248         empathy_chat_view_append_message (chat->view, message);
1249
1250         /* We received a message so the contact is no longer composing */
1251         chat_state_changed_cb (priv->tp_chat, sender,
1252                                TP_CHANNEL_CHAT_STATE_ACTIVE,
1253                                chat);
1254
1255         priv->unread_messages++;
1256         g_signal_emit (chat, signals[NEW_MESSAGE], 0, message, pending);
1257 }
1258
1259 static void
1260 chat_message_received_cb (EmpathyTpChat  *tp_chat,
1261                           EmpathyMessage *message,
1262                           EmpathyChat    *chat)
1263 {
1264         chat_message_received (chat, message, FALSE);
1265 }
1266
1267 static void
1268 chat_send_error_cb (EmpathyTpChat          *tp_chat,
1269                     const gchar            *message_body,
1270                     TpChannelTextSendError  error_code,
1271                     EmpathyChat            *chat)
1272 {
1273         const gchar *error;
1274         gchar       *str;
1275
1276         switch (error_code) {
1277         case TP_CHANNEL_TEXT_SEND_ERROR_OFFLINE:
1278                 error = _("offline");
1279                 break;
1280         case TP_CHANNEL_TEXT_SEND_ERROR_INVALID_CONTACT:
1281                 error = _("invalid contact");
1282                 break;
1283         case TP_CHANNEL_TEXT_SEND_ERROR_PERMISSION_DENIED:
1284                 error = _("permission denied");
1285                 break;
1286         case TP_CHANNEL_TEXT_SEND_ERROR_TOO_LONG:
1287                 error = _("too long message");
1288                 break;
1289         case TP_CHANNEL_TEXT_SEND_ERROR_NOT_IMPLEMENTED:
1290                 error = _("not implemented");
1291                 break;
1292         case TP_CHANNEL_TEXT_SEND_ERROR_UNKNOWN:
1293         default:
1294                 error = _("unknown");
1295                 break;
1296         }
1297
1298         str = g_strdup_printf (_("Error sending message '%s': %s"),
1299                                message_body,
1300                                error);
1301         empathy_chat_view_append_event (chat->view, str);
1302         g_free (str);
1303 }
1304
1305 static void
1306 chat_topic_label_size_allocate_cb (GtkLabel *label,
1307                                    GtkAllocation *allocation,
1308                                    EmpathyChat *chat)
1309 {
1310         EmpathyChatPriv *priv = GET_PRIV (chat);
1311
1312         if (!gtk_label_get_line_wrap (label)) {
1313                 if (pango_layout_is_ellipsized (gtk_label_get_layout (label)))
1314                         gtk_widget_show (priv->expander_topic);
1315                 else
1316                         gtk_widget_hide (priv->expander_topic);
1317
1318                 return;
1319         }
1320 }
1321
1322 static void
1323 chat_topic_expander_activate_cb (GtkExpander *expander,
1324                                  GParamSpec *param_spec,
1325                                  EmpathyChat *chat)
1326 {
1327         EmpathyChatPriv *priv = GET_PRIV (chat);
1328
1329         if (gtk_expander_get_expanded (expander)) {
1330                 gtk_label_set_ellipsize (GTK_LABEL (priv->label_topic), PANGO_ELLIPSIZE_NONE);
1331                 gtk_label_set_line_wrap (GTK_LABEL (priv->label_topic), TRUE);
1332         } else {
1333                 gtk_label_set_ellipsize (GTK_LABEL (priv->label_topic), PANGO_ELLIPSIZE_END);
1334                 gtk_label_set_line_wrap (GTK_LABEL (priv->label_topic), FALSE);
1335         }
1336 }
1337
1338 static void
1339 chat_property_changed_cb (EmpathyTpChat *tp_chat,
1340                           const gchar   *name,
1341                           GValue        *value,
1342                           EmpathyChat   *chat)
1343 {
1344         EmpathyChatPriv *priv = GET_PRIV (chat);
1345
1346         if (!tp_strdiff (name, "subject")) {
1347                 g_free (priv->subject);
1348                 priv->subject = g_value_dup_string (value);
1349                 g_object_notify (G_OBJECT (chat), "subject");
1350
1351                 if (EMP_STR_EMPTY (priv->subject)) {
1352                         gtk_widget_hide (priv->hbox_topic);
1353                 } else {
1354                         gchar *markup_topic;
1355                         gchar *markup_text;
1356
1357                         markup_topic = empathy_add_link_markup (priv->subject);
1358                         markup_text = g_strdup_printf ("<span weight=\"bold\">%s</span> %s",
1359                                 _("Topic:"), markup_topic);
1360
1361                         gtk_label_set_markup (GTK_LABEL (priv->label_topic), markup_text);
1362                         g_free (markup_text);
1363                         g_free (markup_topic);
1364
1365                         gtk_widget_show (priv->hbox_topic);
1366                 }
1367                 if (priv->block_events_timeout_id == 0) {
1368                         gchar *str;
1369
1370                         if (!EMP_STR_EMPTY (priv->subject)) {
1371                                 str = g_strdup_printf (_("Topic set to: %s"), priv->subject);
1372                         } else {
1373                                 str = g_strdup (_("No topic defined"));
1374                         }
1375                         empathy_chat_view_append_event (EMPATHY_CHAT (chat)->view, str);
1376                         g_free (str);
1377                 }
1378         }
1379         else if (!tp_strdiff (name, "name")) {
1380                 g_free (priv->name);
1381                 priv->name = g_value_dup_string (value);
1382                 g_object_notify (G_OBJECT (chat), "name");
1383         }
1384 }
1385
1386 static gboolean
1387 chat_input_text_get_word_from_iter (GtkTextIter   *iter,
1388                                     GtkTextIter   *start,
1389                                     GtkTextIter   *end)
1390 {
1391         GtkTextIter word_start = *iter;
1392         GtkTextIter word_end = *iter;
1393         GtkTextIter tmp;
1394
1395         if (gtk_text_iter_inside_word (&word_end) &&
1396                         !gtk_text_iter_ends_word (&word_end)) {
1397                 gtk_text_iter_forward_word_end (&word_end);
1398         }
1399
1400         tmp = word_end;
1401
1402         if (gtk_text_iter_get_char (&tmp) == '\'') {
1403                 gtk_text_iter_forward_char (&tmp);
1404
1405                 if (g_unichar_isalpha (gtk_text_iter_get_char (&tmp))) {
1406                         gtk_text_iter_forward_word_end (&word_end);
1407                 }
1408         }
1409
1410
1411         if (gtk_text_iter_inside_word (&word_start) ||
1412                         gtk_text_iter_ends_word (&word_start)) {
1413                 if (!gtk_text_iter_starts_word (&word_start) ||
1414                                 gtk_text_iter_equal (&word_start, &word_end)) {
1415                         gtk_text_iter_backward_word_start (&word_start);
1416                 }
1417
1418                 tmp = word_start;
1419                 gtk_text_iter_backward_char (&tmp);
1420
1421                 if (gtk_text_iter_get_char (&tmp) == '\'') {
1422                         gtk_text_iter_backward_char (&tmp);
1423
1424                         if (g_unichar_isalpha (gtk_text_iter_get_char (&tmp))) {
1425                                 gtk_text_iter_backward_word_start (&word_start);
1426                         }
1427                 }
1428         }
1429
1430         *start = word_start;
1431         *end = word_end;
1432         return TRUE;
1433 }
1434
1435 static void
1436 chat_input_text_buffer_insert_text_cb (GtkTextBuffer *buffer,
1437                                        GtkTextIter   *location,
1438                                        gchar         *text,
1439                                        gint           len,
1440                                        EmpathyChat   *chat)
1441 {
1442         GtkTextIter iter, pos;
1443
1444         /* Remove all misspelled tags in the inserted text.
1445          * This happens when text is inserted within a misspelled word. */
1446         gtk_text_buffer_get_iter_at_offset (buffer, &iter,
1447                                             gtk_text_iter_get_offset (location) - len);
1448         gtk_text_buffer_remove_tag_by_name (buffer, "misspelled",
1449                                             &iter, location);
1450
1451         gtk_text_buffer_get_iter_at_mark (buffer, &pos, gtk_text_buffer_get_insert (buffer));
1452
1453         do {
1454                 GtkTextIter start, end;
1455                 gchar *str;
1456
1457                 if (!chat_input_text_get_word_from_iter (&iter, &start, &end))
1458                         continue;
1459
1460                 str = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
1461
1462                 if (gtk_text_iter_in_range (&pos, &start, &end) ||
1463                                 gtk_text_iter_equal (&pos, &end) ||
1464                                 empathy_spell_check (str)) {
1465                         gtk_text_buffer_remove_tag_by_name (buffer, "misspelled", &start, &end);
1466                 } else {
1467                         gtk_text_buffer_apply_tag_by_name (buffer, "misspelled", &start, &end);
1468                 }
1469
1470                 g_free (str);
1471
1472         } while (gtk_text_iter_forward_word_end (&iter) &&
1473                  gtk_text_iter_compare (&iter, location) <= 0);
1474 }
1475
1476 static void
1477 chat_input_text_buffer_delete_range_cb (GtkTextBuffer *buffer,
1478                                         GtkTextIter   *start,
1479                                         GtkTextIter   *end,
1480                                         EmpathyChat   *chat)
1481 {
1482         GtkTextIter word_start, word_end;
1483
1484         if (chat_input_text_get_word_from_iter (start, &word_start, &word_end)) {
1485                 gtk_text_buffer_remove_tag_by_name (buffer, "misspelled",
1486                                                     &word_start, &word_end);
1487         }
1488 }
1489
1490 static void
1491 chat_input_text_buffer_changed_cb (GtkTextBuffer *buffer,
1492                                    EmpathyChat    *chat)
1493 {
1494         if (gtk_text_buffer_get_char_count (buffer) == 0) {
1495                 chat_composing_stop (chat);
1496         } else {
1497                 chat_composing_start (chat);
1498         }
1499 }
1500
1501 static void
1502 chat_input_text_buffer_notify_cursor_position_cb (GtkTextBuffer *buffer,
1503                                                   GParamSpec    *pspec,
1504                                                   EmpathyChat    *chat)
1505 {
1506         GtkTextIter pos;
1507         GtkTextIter prev_pos;
1508         GtkTextIter word_start;
1509         GtkTextIter word_end;
1510         GtkTextMark *mark;
1511         gchar *str;
1512
1513         mark = gtk_text_buffer_get_mark (buffer, "previous-cursor-position");
1514
1515         gtk_text_buffer_get_iter_at_mark (buffer, &pos,
1516                                           gtk_text_buffer_get_insert (buffer));
1517         gtk_text_buffer_get_iter_at_mark (buffer, &prev_pos, mark);
1518
1519         if (!chat_input_text_get_word_from_iter (&prev_pos, &word_start, &word_end))
1520                 goto out;
1521
1522         if (!gtk_text_iter_in_range (&pos, &word_start, &word_end) &&
1523                         !gtk_text_iter_equal (&pos, &word_end)) {
1524                 str = gtk_text_buffer_get_text (buffer,
1525                                         &word_start, &word_end, FALSE);
1526
1527                 if (!empathy_spell_check (str)) {
1528                         gtk_text_buffer_apply_tag_by_name (buffer,
1529                                         "misspelled", &word_start, &word_end);
1530                 } else {
1531                         gtk_text_buffer_remove_tag_by_name (buffer,
1532                                         "misspelled", &word_start, &word_end);
1533                 }
1534
1535                 g_free (str);
1536         }
1537
1538 out:
1539         gtk_text_buffer_move_mark (buffer, mark, &pos);
1540 }
1541
1542 static gboolean
1543 empathy_isspace_cb (gunichar c,
1544                  gpointer data)
1545 {
1546         return g_unichar_isspace (c);
1547 }
1548
1549 static gboolean
1550 chat_input_key_press_event_cb (GtkWidget   *widget,
1551                                GdkEventKey *event,
1552                                EmpathyChat *chat)
1553 {
1554         EmpathyChatPriv *priv;
1555         GtkAdjustment  *adj;
1556         gdouble         val;
1557         GtkWidget      *text_view_sw;
1558
1559         priv = GET_PRIV (chat);
1560
1561         /* Catch ctrl+up/down so we can traverse messages we sent */
1562         if ((event->state & GDK_CONTROL_MASK) &&
1563             (event->keyval == GDK_KEY_Up ||
1564              event->keyval == GDK_KEY_Down)) {
1565                 GtkTextBuffer *buffer;
1566                 const gchar   *str;
1567
1568                 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1569                 chat_input_history_update (chat, buffer);
1570
1571                 if (event->keyval == GDK_KEY_Up) {
1572                         str = chat_input_history_get_next (chat);
1573                 } else {
1574                         str = chat_input_history_get_prev (chat);
1575                 }
1576
1577                 g_signal_handlers_block_by_func (buffer,
1578                                                  chat_input_text_buffer_changed_cb,
1579                                                  chat);
1580                 gtk_text_buffer_set_text (buffer, str ? str : "", -1);
1581                 g_signal_handlers_unblock_by_func (buffer,
1582                                                    chat_input_text_buffer_changed_cb,
1583                                                    chat);
1584
1585                 return TRUE;
1586         }
1587
1588         /* Catch enter but not ctrl/shift-enter */
1589         if (IS_ENTER (event->keyval) &&
1590             !(event->state & (GDK_SHIFT_MASK | GDK_CONTROL_MASK))) {
1591                 GtkTextView *view;
1592
1593                 /* This is to make sure that kinput2 gets the enter. And if
1594                  * it's handled there we shouldn't send on it. This is because
1595                  * kinput2 uses Enter to commit letters. See:
1596                  * http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=104299
1597                  */
1598
1599                 view = GTK_TEXT_VIEW (chat->input_text_view);
1600                 if (gtk_text_view_im_context_filter_keypress (view, event)) {
1601                         gtk_text_view_reset_im_context (view);
1602                         return TRUE;
1603                 }
1604
1605                 chat_input_text_view_send (chat);
1606                 return TRUE;
1607         }
1608
1609         text_view_sw = gtk_widget_get_parent (GTK_WIDGET (chat->view));
1610
1611         if (IS_ENTER (event->keyval) &&
1612             (event->state & (GDK_SHIFT_MASK | GDK_CONTROL_MASK))) {
1613                 /* Newline for shift/control-enter. */
1614                 return FALSE;
1615         }
1616         if (!(event->state & GDK_CONTROL_MASK) &&
1617             event->keyval == GDK_KEY_Page_Up) {
1618                 adj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (text_view_sw));
1619                 gtk_adjustment_set_value (adj, gtk_adjustment_get_value (adj) - gtk_adjustment_get_page_size (adj));
1620                 return TRUE;
1621         }
1622         if ((event->state & GDK_CONTROL_MASK) != GDK_CONTROL_MASK &&
1623             event->keyval == GDK_KEY_Page_Down) {
1624                 adj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (text_view_sw));
1625                 val = MIN (gtk_adjustment_get_value (adj) + gtk_adjustment_get_page_size (adj),
1626                            gtk_adjustment_get_upper (adj) - gtk_adjustment_get_page_size (adj));
1627                 gtk_adjustment_set_value (adj, val);
1628                 return TRUE;
1629         }
1630         if (event->keyval == GDK_KEY_Escape) {
1631                 empathy_search_bar_hide (EMPATHY_SEARCH_BAR (priv->search_bar));
1632         }
1633         if (!(event->state & (GDK_CONTROL_MASK | GDK_SHIFT_MASK)) &&
1634             event->keyval == GDK_KEY_Tab) {
1635                 GtkTextBuffer *buffer;
1636                 GtkTextIter    start, current;
1637                 gchar         *nick, *completed;
1638                 GList         *list, *completed_list;
1639                 gboolean       is_start_of_buffer;
1640
1641                 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (EMPATHY_CHAT (chat)->input_text_view));
1642                 gtk_text_buffer_get_iter_at_mark (buffer, &current, gtk_text_buffer_get_insert (buffer));
1643
1644                 /* Get the start of the nick to complete. */
1645                 gtk_text_buffer_get_iter_at_mark (buffer, &start, gtk_text_buffer_get_insert (buffer));
1646                 if (gtk_text_iter_backward_find_char (&start, &empathy_isspace_cb, NULL, NULL)) {
1647                         gtk_text_iter_set_offset (&start, gtk_text_iter_get_offset (&start) + 1);
1648                 }
1649                 is_start_of_buffer = gtk_text_iter_is_start (&start);
1650
1651                 list = empathy_contact_list_get_members (EMPATHY_CONTACT_LIST (priv->tp_chat));
1652                 g_completion_add_items (priv->completion, list);
1653
1654                 nick = gtk_text_buffer_get_text (buffer, &start, &current, FALSE);
1655                 completed_list = g_completion_complete (priv->completion,
1656                                                         nick,
1657                                                         &completed);
1658
1659                 g_free (nick);
1660
1661                 if (completed) {
1662                         guint        len;
1663                         const gchar *text;
1664                         GString     *message = NULL;
1665                         GList       *l;
1666
1667                         gtk_text_buffer_delete (buffer, &start, &current);
1668
1669                         len = g_list_length (completed_list);
1670
1671                         if (len == 1) {
1672                                 /* If we only have one hit, use that text
1673                                  * instead of the text in completed since the
1674                                  * completed text will use the typed string
1675                                  * which might be cased all wrong.
1676                                  * Fixes #120876
1677                                  * */
1678                                 text = empathy_contact_get_alias (completed_list->data);
1679                         } else {
1680                                 text = completed;
1681
1682                                 /* Print all hits to the scrollback view, so the
1683                                  * user knows what possibilities he has.
1684                                  * Fixes #599779
1685                                  * */
1686                                  message = g_string_new ("");
1687                                  for (l = completed_list; l != NULL; l = l->next) {
1688                                         g_string_append (message, empathy_contact_get_alias (l->data));
1689                                         g_string_append (message, " - ");
1690                                  }
1691                                  empathy_chat_view_append_event (chat->view, message->str);
1692                                  g_string_free (message, TRUE);
1693                         }
1694
1695                         gtk_text_buffer_insert_at_cursor (buffer, text, strlen (text));
1696
1697                         if (len == 1 && is_start_of_buffer) {
1698                             gchar *complete_char;
1699
1700                             complete_char = g_settings_get_string (
1701                                     priv->gsettings_chat,
1702                                     EMPATHY_PREFS_CHAT_NICK_COMPLETION_CHAR);
1703
1704                             if (complete_char != NULL) {
1705                                 gtk_text_buffer_insert_at_cursor (buffer,
1706                                                                   complete_char,
1707                                                                   strlen (complete_char));
1708                                 gtk_text_buffer_insert_at_cursor (buffer, " ", 1);
1709                                 g_free (complete_char);
1710                             }
1711                         }
1712
1713                         g_free (completed);
1714                 }
1715
1716                 g_completion_clear_items (priv->completion);
1717
1718                 g_list_foreach (list, (GFunc) g_object_unref, NULL);
1719                 g_list_free (list);
1720
1721                 return TRUE;
1722         }
1723
1724         return FALSE;
1725 }
1726
1727 static gboolean
1728 chat_text_view_focus_in_event_cb (GtkWidget  *widget,
1729                                   GdkEvent   *event,
1730                                   EmpathyChat *chat)
1731 {
1732         gtk_widget_grab_focus (chat->input_text_view);
1733
1734         return TRUE;
1735 }
1736
1737 static void
1738 chat_input_realize_cb (GtkWidget   *widget,
1739                        EmpathyChat *chat)
1740 {
1741         DEBUG ("Setting focus to the input text view");
1742         if (gtk_widget_is_sensitive (widget)) {
1743                 gtk_widget_grab_focus (widget);
1744         }
1745 }
1746
1747 static void
1748 chat_insert_smiley_activate_cb (EmpathySmileyManager *manager,
1749                                 EmpathySmiley        *smiley,
1750                                 gpointer              user_data)
1751 {
1752         EmpathyChat   *chat = EMPATHY_CHAT (user_data);
1753         GtkTextBuffer *buffer;
1754         GtkTextIter    iter;
1755
1756         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1757
1758         gtk_text_buffer_get_end_iter (buffer, &iter);
1759         gtk_text_buffer_insert (buffer, &iter, smiley->str, -1);
1760
1761         gtk_text_buffer_get_end_iter (buffer, &iter);
1762         gtk_text_buffer_insert (buffer, &iter, " ", -1);
1763 }
1764
1765 typedef struct {
1766         EmpathyChat  *chat;
1767         gchar       *word;
1768
1769         GtkTextIter  start;
1770         GtkTextIter  end;
1771 } EmpathyChatSpell;
1772
1773 static EmpathyChatSpell *
1774 chat_spell_new (EmpathyChat  *chat,
1775                 const gchar *word,
1776                 GtkTextIter  start,
1777                 GtkTextIter  end)
1778 {
1779         EmpathyChatSpell *chat_spell;
1780
1781         chat_spell = g_slice_new0 (EmpathyChatSpell);
1782
1783         chat_spell->chat = g_object_ref (chat);
1784         chat_spell->word = g_strdup (word);
1785         chat_spell->start = start;
1786         chat_spell->end = end;
1787
1788         return chat_spell;
1789 }
1790
1791 static void
1792 chat_spell_free (EmpathyChatSpell *chat_spell)
1793 {
1794         g_object_unref (chat_spell->chat);
1795         g_free (chat_spell->word);
1796         g_slice_free (EmpathyChatSpell, chat_spell);
1797 }
1798
1799 static void
1800 chat_spelling_menu_activate_cb (GtkMenuItem     *menu_item,
1801                                                 EmpathyChatSpell *chat_spell)
1802 {
1803     empathy_chat_correct_word (chat_spell->chat,
1804                                &(chat_spell->start),
1805                                &(chat_spell->end),
1806                                gtk_menu_item_get_label (menu_item));
1807 }
1808
1809
1810 static GtkWidget *
1811 chat_spelling_build_suggestions_menu (const gchar *code,
1812                                       EmpathyChatSpell *chat_spell)
1813 {
1814         GList     *suggestions, *l;
1815         GtkWidget *menu, *menu_item;
1816
1817         suggestions = empathy_spell_get_suggestions (code, chat_spell->word);
1818         if (suggestions == NULL)
1819                 return NULL;
1820
1821         menu = gtk_menu_new ();
1822         for (l = suggestions; l; l = l->next) {
1823                 menu_item = gtk_menu_item_new_with_label (l->data);
1824                 g_signal_connect (G_OBJECT (menu_item), "activate",
1825                                   G_CALLBACK (chat_spelling_menu_activate_cb),
1826                                   chat_spell);
1827                 gtk_menu_shell_append (GTK_MENU_SHELL (menu), menu_item);
1828         }
1829         empathy_spell_free_suggestions (suggestions);
1830
1831         gtk_widget_show_all (menu);
1832
1833         return menu;
1834 }
1835
1836 static GtkWidget *
1837 chat_spelling_build_menu (EmpathyChatSpell *chat_spell)
1838 {
1839         GtkWidget *menu, *submenu, *item;
1840         GList     *codes, *l;
1841
1842         codes = empathy_spell_get_enabled_language_codes ();
1843         g_assert (codes != NULL);
1844
1845         if (g_list_length (codes) > 1) {
1846                 menu = gtk_menu_new ();
1847
1848                 for (l = codes; l; l = l->next) {
1849                         const gchar *code, *name;
1850
1851                         code = l->data;
1852                         name = empathy_spell_get_language_name (code);
1853                         if (!name)
1854                                 continue;
1855
1856                         item = gtk_image_menu_item_new_with_label (name);
1857
1858                         submenu = chat_spelling_build_suggestions_menu (
1859                                         code, chat_spell);
1860                         if (submenu == NULL)
1861                                 gtk_widget_set_sensitive (item, FALSE);
1862                         else
1863                                 gtk_menu_item_set_submenu (GTK_MENU_ITEM (item),
1864                                                            submenu);
1865                         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
1866                 }
1867         } else {
1868                 menu = chat_spelling_build_suggestions_menu (codes->data,
1869                                                              chat_spell);
1870                 if (menu == NULL) {
1871                         menu = gtk_menu_new ();
1872                         item = gtk_menu_item_new_with_label (_("(No Suggestions)"));
1873                         gtk_widget_set_sensitive (item, FALSE);
1874                         gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1875                 }
1876         }
1877         g_list_free (codes);
1878
1879         gtk_widget_show_all (menu);
1880
1881         return menu;
1882 }
1883
1884 typedef struct {
1885         EmpathyChat  *chat;
1886         gchar        *word;
1887         gchar        *code;
1888 } EmpathyChatWord;
1889
1890 static EmpathyChatWord *
1891 chat_word_new (EmpathyChat  *chat,
1892                 const gchar  *word,
1893                 const gchar  *code)
1894 {
1895         EmpathyChatWord *chat_word;
1896
1897         chat_word = g_slice_new0 (EmpathyChatWord);
1898
1899         chat_word->chat = g_object_ref (chat);
1900         chat_word->word = g_strdup (word);
1901         chat_word->code = g_strdup (code);
1902
1903         return chat_word;
1904 }
1905
1906 static void
1907 chat_word_free (EmpathyChatWord *chat_word)
1908 {
1909         g_object_unref (chat_word->chat);
1910         g_free (chat_word->word);
1911         g_free (chat_word->code);
1912         g_slice_free (EmpathyChatWord, chat_word);
1913 }
1914
1915 static void
1916 chat_add_to_dictionary_activate_cb (GtkMenuItem     *menu_item,
1917                                     EmpathyChatWord *chat_word)
1918 {
1919         EmpathyChatPriv *priv = GET_PRIV (chat_word->chat);
1920
1921         empathy_spell_add_to_dictionary (chat_word->code,
1922                                          chat_word->word);
1923         priv->update_misspelled_words_id =
1924                 g_idle_add (update_misspelled_words, chat_word->chat);
1925 }
1926
1927 static GtkWidget *
1928 chat_spelling_build_add_to_dictionary_item (EmpathyChatSpell *chat_spell)
1929 {
1930         GtkWidget       *menu, *item, *lang_item, *image;
1931         GList           *codes, *l;
1932         gchar           *label;
1933         const gchar     *code, *name;
1934         EmpathyChatWord *chat_word;
1935
1936         codes = empathy_spell_get_enabled_language_codes ();
1937         g_assert (codes != NULL);
1938         if (g_list_length (codes) > 1) {
1939                 /* translators: %s is the selected word */
1940                 label = g_strdup_printf (_("Add '%s' to Dictionary"),
1941                                         chat_spell->word);
1942                 item = gtk_image_menu_item_new_with_mnemonic (label);
1943                 g_free (label);
1944                 image = gtk_image_new_from_icon_name (GTK_STOCK_ADD,
1945                                                       GTK_ICON_SIZE_MENU);
1946                 gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item),
1947                                                image);
1948
1949                 menu = gtk_menu_new ();
1950
1951                 for (l = codes; l; l = l->next) {
1952                         code = l->data;
1953                         name = empathy_spell_get_language_name (code);
1954                         if (name == NULL)
1955                                 continue;
1956
1957                         lang_item = gtk_image_menu_item_new_with_label (name);
1958
1959                         chat_word= chat_word_new (chat_spell->chat,
1960                                                   chat_spell->word, code);
1961                         g_object_set_data_full (G_OBJECT (lang_item),
1962                                 "chat-word", chat_word,
1963                                 (GDestroyNotify) chat_word_free);
1964
1965                         g_signal_connect (G_OBJECT (lang_item), "activate",
1966                                 G_CALLBACK (chat_add_to_dictionary_activate_cb),
1967                                 chat_word);
1968                         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), lang_item);
1969                 }
1970                 gtk_menu_item_set_submenu (GTK_MENU_ITEM (item), menu);
1971         } else {
1972                 code = codes->data;
1973                 name = empathy_spell_get_language_name (code);
1974                 g_assert (name != NULL);
1975                 /* translators: first %s is the selected word,
1976                  * second %s is the language name of the target dictionary */
1977                 label = g_strdup_printf (_("Add '%s' to %s Dictionary"),
1978                                         chat_spell->word, name);
1979                 item = gtk_image_menu_item_new_with_mnemonic (label);
1980                 g_free (label);
1981                 image = gtk_image_new_from_icon_name (GTK_STOCK_ADD,
1982                                                       GTK_ICON_SIZE_MENU);
1983                 gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item), image);
1984
1985                 chat_word = chat_word_new (chat_spell->chat, chat_spell->word,
1986                                            code);
1987                 g_object_set_data_full (G_OBJECT (item), "chat-word", chat_word,
1988                                         (GDestroyNotify) chat_word_free);
1989
1990                 g_signal_connect (G_OBJECT (item), "activate",
1991                                   G_CALLBACK (chat_add_to_dictionary_activate_cb),
1992                                   chat_word);
1993         }
1994         g_list_free (codes);
1995
1996         gtk_widget_show_all (item);
1997
1998         return item;
1999 }
2000
2001 static void
2002 chat_text_send_cb (GtkMenuItem *menuitem,
2003                    EmpathyChat *chat)
2004 {
2005         chat_input_text_view_send (chat);
2006 }
2007
2008 static void
2009 chat_input_populate_popup_cb (GtkTextView *view,
2010                               GtkMenu     *menu,
2011                               EmpathyChat *chat)
2012 {
2013         GtkTextBuffer        *buffer;
2014         GtkTextTagTable      *table;
2015         GtkTextTag           *tag;
2016         gint                  x, y;
2017         GtkTextIter           iter, start, end;
2018         GtkWidget            *item;
2019         gchar                *str = NULL;
2020         EmpathyChatSpell     *chat_spell;
2021         GtkWidget            *spell_menu;
2022         GtkWidget            *spell_item;
2023         EmpathySmileyManager *smiley_manager;
2024         GtkWidget            *smiley_menu;
2025         GtkWidget            *image;
2026
2027         buffer = gtk_text_view_get_buffer (view);
2028
2029         /* Add the emoticon menu. */
2030         item = gtk_separator_menu_item_new ();
2031         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
2032         gtk_widget_show (item);
2033
2034         item = gtk_image_menu_item_new_with_mnemonic (_("Insert Smiley"));
2035         image = gtk_image_new_from_icon_name ("face-smile",
2036                                               GTK_ICON_SIZE_MENU);
2037         gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item), image);
2038         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
2039         gtk_widget_show (item);
2040
2041         smiley_manager = empathy_smiley_manager_dup_singleton ();
2042         smiley_menu = empathy_smiley_menu_new (smiley_manager,
2043                                                chat_insert_smiley_activate_cb,
2044                                                chat);
2045         gtk_menu_item_set_submenu (GTK_MENU_ITEM (item), smiley_menu);
2046         g_object_unref (smiley_manager);
2047
2048         /* Add the Send menu item. */
2049         gtk_text_buffer_get_bounds (buffer, &start, &end);
2050         str = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
2051         if (!EMP_STR_EMPTY (str)) {
2052                 item = gtk_menu_item_new_with_mnemonic (_("_Send"));
2053                 g_signal_connect (G_OBJECT (item), "activate",
2054                                   G_CALLBACK (chat_text_send_cb), chat);
2055                 gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
2056                 gtk_widget_show (item);
2057         }
2058         str = NULL;
2059
2060         /* Add the spell check menu item. */
2061         table = gtk_text_buffer_get_tag_table (buffer);
2062         tag = gtk_text_tag_table_lookup (table, "misspelled");
2063         gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
2064         gtk_text_view_window_to_buffer_coords (GTK_TEXT_VIEW (view),
2065                                                GTK_TEXT_WINDOW_WIDGET,
2066                                                x, y,
2067                                                &x, &y);
2068         gtk_text_view_get_iter_at_location (GTK_TEXT_VIEW (view), &iter, x, y);
2069         start = end = iter;
2070         if (gtk_text_iter_backward_to_tag_toggle (&start, tag) &&
2071             gtk_text_iter_forward_to_tag_toggle (&end, tag)) {
2072
2073                 str = gtk_text_buffer_get_text (buffer,
2074                                                 &start, &end, FALSE);
2075         }
2076         if (!EMP_STR_EMPTY (str)) {
2077                 chat_spell = chat_spell_new (chat, str, start, end);
2078                 g_object_set_data_full (G_OBJECT (menu),
2079                                         "chat-spell", chat_spell,
2080                                         (GDestroyNotify) chat_spell_free);
2081
2082                 item = gtk_separator_menu_item_new ();
2083                 gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
2084                 gtk_widget_show (item);
2085
2086                 /* Spelling suggestions */
2087                 item = gtk_image_menu_item_new_with_mnemonic (_("_Spelling Suggestions"));
2088                 image = gtk_image_new_from_icon_name (GTK_STOCK_SPELL_CHECK,
2089                                                       GTK_ICON_SIZE_MENU);
2090                 gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item), image);
2091
2092                 spell_menu = chat_spelling_build_menu (chat_spell);
2093                 gtk_menu_item_set_submenu (GTK_MENU_ITEM (item), spell_menu);
2094
2095
2096                 spell_item = gtk_separator_menu_item_new ();
2097                 gtk_menu_shell_append (GTK_MENU_SHELL (spell_menu), spell_item);
2098                 gtk_widget_show (spell_item);
2099
2100                 /* Add to dictionary */
2101                 spell_item = chat_spelling_build_add_to_dictionary_item (chat_spell);
2102
2103                 gtk_menu_shell_append (GTK_MENU_SHELL (spell_menu), spell_item);
2104                 gtk_widget_show (spell_item);
2105
2106                 gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
2107                 gtk_widget_show (item);
2108         }
2109 }
2110
2111
2112 static gboolean
2113 chat_log_filter (TplEvent *log,
2114                  gpointer user_data)
2115 {
2116         EmpathyChat *chat = user_data;
2117         EmpathyMessage *message;
2118         EmpathyChatPriv *priv = GET_PRIV (chat);
2119         const GList *pending;
2120
2121         g_return_val_if_fail (TPL_IS_EVENT (log), FALSE);
2122         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), FALSE);
2123
2124         pending = empathy_tp_chat_get_pending_messages (priv->tp_chat);
2125         message = empathy_message_from_tpl_log_event (log);
2126
2127         for (; pending; pending = g_list_next (pending)) {
2128                 if (empathy_message_equal (message, pending->data)) {
2129                         g_object_unref (message);
2130                         return FALSE;
2131                 }
2132         }
2133
2134         g_object_unref (message);
2135         return TRUE;
2136 }
2137
2138
2139 static void
2140 show_pending_messages (EmpathyChat *chat) {
2141         EmpathyChatPriv *priv = GET_PRIV (chat);
2142         const GList *messages, *l;
2143
2144         g_return_if_fail (EMPATHY_IS_CHAT (chat));
2145
2146         if (chat->view == NULL || priv->tp_chat == NULL)
2147                 return;
2148
2149         if (!priv->can_show_pending)
2150                 return;
2151
2152         messages = empathy_tp_chat_get_pending_messages (priv->tp_chat);
2153
2154         for (l = messages; l != NULL ; l = g_list_next (l)) {
2155                 EmpathyMessage *message = EMPATHY_MESSAGE (l->data);
2156                 chat_message_received (chat, message, TRUE);
2157         }
2158 }
2159
2160
2161 static void
2162 got_filtered_messages_cb (GObject *manager,
2163                 GAsyncResult *result,
2164                 gpointer user_data)
2165 {
2166         GList *l;
2167         GList *messages;
2168         EmpathyChat *chat = EMPATHY_CHAT (user_data);
2169         EmpathyChatPriv *priv = GET_PRIV (chat);
2170         GError *error = NULL;
2171
2172         if (!tpl_log_manager_get_filtered_events_finish (TPL_LOG_MANAGER (manager),
2173                 result, &messages, &error)) {
2174                 DEBUG ("%s. Aborting.", error->message);
2175                 empathy_chat_view_append_event (chat->view,
2176                         _("Failed to retrieve recent logs"));
2177                 g_error_free (error);
2178                 goto out;
2179         }
2180
2181         for (l = messages; l; l = g_list_next (l)) {
2182                 EmpathyMessage *message;
2183                 g_assert (TPL_IS_EVENT (l->data));
2184
2185                 message = empathy_message_from_tpl_log_event (l->data);
2186                 g_object_unref (l->data);
2187
2188                 empathy_chat_view_append_message (chat->view, message);
2189                 g_object_unref (message);
2190         }
2191         g_list_free (messages);
2192
2193 out:
2194         /* in case of TPL error, skip backlog and show pending messages */
2195         priv->can_show_pending = TRUE;
2196         show_pending_messages (chat);
2197
2198         /* FIXME: See Bug#610994, we are forcing the ACK of the queue. See comments
2199          * about it in EmpathyChatPriv definition */
2200         priv->retrieving_backlogs = FALSE;
2201         empathy_chat_messages_read (chat);
2202
2203         /* Turn back on scrolling */
2204         empathy_chat_view_scroll (chat->view, TRUE);
2205 }
2206
2207 static void
2208 chat_add_logs (EmpathyChat *chat)
2209 {
2210         EmpathyChatPriv *priv = GET_PRIV (chat);
2211         TplEntity       *target;
2212
2213         if (!priv->id) {
2214                 return;
2215         }
2216
2217         /* Turn off scrolling temporarily */
2218         empathy_chat_view_scroll (chat->view, FALSE);
2219
2220         /* Add messages from last conversation */
2221         if (priv->handle_type == TP_HANDLE_TYPE_ROOM)
2222           target = tpl_entity_new_from_room_id (priv->id);
2223         else
2224           target = tpl_entity_new (priv->id, TPL_ENTITY_CONTACT, NULL, NULL);
2225
2226         priv->retrieving_backlogs = TRUE;
2227         tpl_log_manager_get_filtered_events_async (priv->log_manager,
2228                                                    priv->account,
2229                                                    target,
2230                                                    TPL_EVENT_MASK_TEXT,
2231                                                    5,
2232                                                    chat_log_filter,
2233                                                    chat,
2234                                                    got_filtered_messages_cb,
2235                                                    (gpointer) chat);
2236
2237         g_object_unref (target);
2238 }
2239
2240 static gint
2241 chat_contacts_completion_func (const gchar *s1,
2242                                const gchar *s2,
2243                                gsize        n)
2244 {
2245         gchar *tmp, *nick1, *nick2;
2246         gint   ret;
2247
2248         if (s1 == s2) {
2249                 return 0;
2250         }
2251         if (!s1 || !s2) {
2252                 return s1 ? -1 : +1;
2253         }
2254
2255         tmp = g_utf8_normalize (s1, -1, G_NORMALIZE_DEFAULT);
2256         nick1 = g_utf8_casefold (tmp, -1);
2257         g_free (tmp);
2258
2259         tmp = g_utf8_normalize (s2, -1, G_NORMALIZE_DEFAULT);
2260         nick2 = g_utf8_casefold (tmp, -1);
2261         g_free (tmp);
2262
2263         ret = strncmp (nick1, nick2, n);
2264
2265         g_free (nick1);
2266         g_free (nick2);
2267
2268         return ret;
2269 }
2270
2271 static gchar *
2272 build_part_message (guint           reason,
2273                     const gchar    *name,
2274                     EmpathyContact *actor,
2275                     const gchar    *message)
2276 {
2277         GString *s = g_string_new ("");
2278         const gchar *actor_name = NULL;
2279
2280         if (actor != NULL) {
2281                 actor_name = empathy_contact_get_alias (actor);
2282         }
2283
2284         /* Having an actor only really makes sense for a few actions... */
2285         switch (reason) {
2286         case TP_CHANNEL_GROUP_CHANGE_REASON_OFFLINE:
2287                 g_string_append_printf (s, _("%s has disconnected"), name);
2288                 break;
2289         case TP_CHANNEL_GROUP_CHANGE_REASON_KICKED:
2290                 if (actor_name != NULL) {
2291                         /* translators: reverse the order of these arguments
2292                          * if the kicked should come before the kicker in your locale.
2293                          */
2294                         g_string_append_printf (s, _("%1$s was kicked by %2$s"),
2295                                 name, actor_name);
2296                 } else {
2297                         g_string_append_printf (s, _("%s was kicked"), name);
2298                 }
2299                 break;
2300         case TP_CHANNEL_GROUP_CHANGE_REASON_BANNED:
2301                 if (actor_name != NULL) {
2302                         /* translators: reverse the order of these arguments
2303                          * if the banned should come before the banner in your locale.
2304                          */
2305                         g_string_append_printf (s, _("%1$s was banned by %2$s"),
2306                                 name, actor_name);
2307                 } else {
2308                         g_string_append_printf (s, _("%s was banned"), name);
2309                 }
2310                 break;
2311         default:
2312                 g_string_append_printf (s, _("%s has left the room"), name);
2313         }
2314
2315         if (!EMP_STR_EMPTY (message)) {
2316                 /* Note to translators: this string is appended to
2317                  * notifications like "foo has left the room", with the message
2318                  * given by the user living the room. If this poses a problem,
2319                  * please let us know. :-)
2320                  */
2321                 g_string_append_printf (s, _(" (%s)"), message);
2322         }
2323
2324         return g_string_free (s, FALSE);
2325 }
2326
2327 static void
2328 chat_members_changed_cb (EmpathyTpChat  *tp_chat,
2329                          EmpathyContact *contact,
2330                          EmpathyContact *actor,
2331                          guint           reason,
2332                          gchar          *message,
2333                          gboolean        is_member,
2334                          EmpathyChat    *chat)
2335 {
2336         EmpathyChatPriv *priv = GET_PRIV (chat);
2337         const gchar *name = empathy_contact_get_alias (contact);
2338         gchar *str;
2339
2340         g_return_if_fail (TP_CHANNEL_GROUP_CHANGE_REASON_RENAMED != reason);
2341
2342         if (priv->block_events_timeout_id != 0)
2343                 return;
2344
2345         if (is_member) {
2346                 str = g_strdup_printf (_("%s has joined the room"),
2347                                        name);
2348         } else {
2349                 str = build_part_message (reason, name, actor, message);
2350         }
2351
2352         empathy_chat_view_append_event (chat->view, str);
2353         g_free (str);
2354 }
2355
2356 static void
2357 chat_member_renamed_cb (EmpathyTpChat  *tp_chat,
2358                          EmpathyContact *old_contact,
2359                          EmpathyContact *new_contact,
2360                          guint           reason,
2361                          gchar          *message,
2362                          EmpathyChat    *chat)
2363 {
2364         EmpathyChatPriv *priv = GET_PRIV (chat);
2365
2366         g_return_if_fail (TP_CHANNEL_GROUP_CHANGE_REASON_RENAMED == reason);
2367
2368         if (priv->block_events_timeout_id == 0) {
2369                 gchar *str;
2370
2371                 str = g_strdup_printf (_("%s is now known as %s"),
2372                                        empathy_contact_get_alias (old_contact),
2373                                        empathy_contact_get_alias (new_contact));
2374                 empathy_chat_view_append_event (chat->view, str);
2375                 g_free (str);
2376         }
2377
2378 }
2379
2380 static gboolean
2381 chat_reset_size_request (gpointer widget)
2382 {
2383         gtk_widget_set_size_request (widget, -1, -1);
2384
2385         return FALSE;
2386 }
2387
2388 static void
2389 chat_update_contacts_visibility (EmpathyChat *chat,
2390                          gboolean show)
2391 {
2392         EmpathyChatPriv *priv = GET_PRIV (chat);
2393         GtkAllocation allocation;
2394
2395         if (!priv->scrolled_window_contacts) {
2396                 return;
2397         }
2398
2399         if (priv->remote_contact != NULL) {
2400                 show = FALSE;
2401         }
2402
2403         if (show && priv->contact_list_view == NULL) {
2404                 EmpathyContactListStore *store;
2405                 gint                     min_width;
2406
2407                 /* We are adding the contact list to the chat, we don't want the
2408                  * chat view to become too small. If the chat view is already
2409                  * smaller than 250 make sure that size won't change. If the
2410                  * chat view is bigger the contact list will take some space on
2411                  * it but we make sure the chat view don't become smaller than
2412                  * 250. Relax the size request once the resize is done */
2413                 gtk_widget_get_allocation (priv->vbox_left, &allocation);
2414                 min_width = MIN (allocation.width, 250);
2415                 gtk_widget_set_size_request (priv->vbox_left, min_width, -1);
2416                 g_idle_add (chat_reset_size_request, priv->vbox_left);
2417
2418                 if (priv->contacts_width > 0) {
2419                         gtk_paned_set_position (GTK_PANED (priv->hpaned),
2420                                                 priv->contacts_width);
2421                 }
2422
2423                 store = empathy_contact_list_store_new (
2424                                 EMPATHY_CONTACT_LIST (priv->tp_chat));
2425                 empathy_contact_list_store_set_show_groups (
2426                                 EMPATHY_CONTACT_LIST_STORE (store), FALSE);
2427
2428                 priv->contact_list_view = GTK_WIDGET (empathy_contact_list_view_new (store,
2429                         EMPATHY_CONTACT_LIST_FEATURE_CONTACT_TOOLTIP,
2430                         EMPATHY_CONTACT_FEATURE_CHAT |
2431                         EMPATHY_CONTACT_FEATURE_CALL |
2432                         EMPATHY_CONTACT_FEATURE_LOG |
2433                         EMPATHY_CONTACT_FEATURE_INFO));
2434                 gtk_container_add (GTK_CONTAINER (priv->scrolled_window_contacts),
2435                                    priv->contact_list_view);
2436                 gtk_widget_show (priv->contact_list_view);
2437                 gtk_widget_show (priv->scrolled_window_contacts);
2438                 g_object_unref (store);
2439         } else if (!show) {
2440                 priv->contacts_width = gtk_paned_get_position (GTK_PANED (priv->hpaned));
2441                 gtk_widget_hide (priv->scrolled_window_contacts);
2442                 if (priv->contact_list_view != NULL) {
2443                         gtk_widget_destroy (priv->contact_list_view);
2444                         priv->contact_list_view = NULL;
2445                 }
2446         }
2447 }
2448
2449 void
2450 empathy_chat_set_show_contacts (EmpathyChat *chat,
2451                                 gboolean     show)
2452 {
2453         EmpathyChatPriv *priv = GET_PRIV (chat);
2454
2455         priv->show_contacts = show;
2456
2457         chat_update_contacts_visibility (chat, show);
2458
2459         g_object_notify (G_OBJECT (chat), "show-contacts");
2460 }
2461
2462 static void
2463 chat_remote_contact_changed_cb (EmpathyChat *chat)
2464 {
2465         EmpathyChatPriv *priv = GET_PRIV (chat);
2466
2467         if (priv->remote_contact != NULL) {
2468                 g_object_unref (priv->remote_contact);
2469                 priv->remote_contact = NULL;
2470         }
2471
2472         g_free (priv->id);
2473
2474         priv->id = g_strdup (empathy_tp_chat_get_id (priv->tp_chat));
2475         priv->remote_contact = empathy_tp_chat_get_remote_contact (priv->tp_chat);
2476         if (priv->remote_contact != NULL) {
2477                 g_object_ref (priv->remote_contact);
2478                 priv->handle_type = TP_HANDLE_TYPE_CONTACT;
2479         }
2480         else if (priv->tp_chat != NULL) {
2481                 TpChannel *channel;
2482
2483                 channel = empathy_tp_chat_get_channel (priv->tp_chat);
2484                 g_object_get (channel, "handle-type", &priv->handle_type, NULL);
2485         }
2486
2487         chat_update_contacts_visibility (chat, priv->show_contacts);
2488
2489         g_object_notify (G_OBJECT (chat), "remote-contact");
2490         g_object_notify (G_OBJECT (chat), "id");
2491 }
2492
2493 static void
2494 chat_destroy_cb (EmpathyTpChat *tp_chat,
2495                  EmpathyChat   *chat)
2496 {
2497         EmpathyChatPriv *priv;
2498
2499         priv = GET_PRIV (chat);
2500
2501         if (!priv->tp_chat) {
2502                 return;
2503         }
2504
2505         chat_composing_remove_timeout (chat);
2506         g_object_unref (priv->tp_chat);
2507         priv->tp_chat = NULL;
2508         g_object_notify (G_OBJECT (chat), "tp-chat");
2509
2510         empathy_chat_view_append_event (chat->view, _("Disconnected"));
2511         gtk_widget_set_sensitive (chat->input_text_view, FALSE);
2512
2513         chat_update_contacts_visibility (chat, FALSE);
2514 }
2515
2516 static gboolean
2517 update_misspelled_words (gpointer data)
2518 {
2519         EmpathyChat *chat = EMPATHY_CHAT (data);
2520         EmpathyChatPriv *priv = GET_PRIV (chat);
2521         GtkTextBuffer *buffer;
2522         GtkTextIter iter;
2523         gint length;
2524
2525         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
2526
2527         gtk_text_buffer_get_end_iter (buffer, &iter);
2528         length = gtk_text_iter_get_offset (&iter);
2529         chat_input_text_buffer_insert_text_cb (buffer, &iter,
2530                                                NULL, length, chat);
2531
2532         priv->update_misspelled_words_id = 0;
2533
2534         return FALSE;
2535 }
2536
2537 static void
2538 conf_spell_checking_cb (GSettings *gsettings_chat,
2539                         const gchar *key,
2540                         gpointer user_data)
2541 {
2542         EmpathyChat *chat = EMPATHY_CHAT (user_data);
2543         EmpathyChatPriv *priv = GET_PRIV (chat);
2544         gboolean spell_checker;
2545         GtkTextBuffer *buffer;
2546
2547         if (strcmp (key, EMPATHY_PREFS_CHAT_SPELL_CHECKER_ENABLED) != 0)
2548                 return;
2549
2550         spell_checker = g_settings_get_boolean (gsettings_chat,
2551                         EMPATHY_PREFS_CHAT_SPELL_CHECKER_ENABLED);
2552
2553         if (!empathy_spell_supported ()) {
2554                 spell_checker = FALSE;
2555         }
2556
2557         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
2558
2559         if (spell_checker == priv->spell_checking_enabled) {
2560                 if (spell_checker) {
2561                         /* Possibly changed dictionaries,
2562                          * update misspelled words. Need to do so in idle
2563                          * so the spell checker is updated. */
2564                         priv->update_misspelled_words_id =
2565                                 g_idle_add (update_misspelled_words, chat);
2566                 }
2567
2568                 return;
2569         }
2570
2571         if (spell_checker) {
2572                 GtkTextIter iter;
2573
2574                 priv->notify_cursor_position_id = tp_g_signal_connect_object  (
2575                                 buffer, "notify::cursor-position",
2576                                 G_CALLBACK (chat_input_text_buffer_notify_cursor_position_cb),
2577                                 chat, 0);
2578                 priv->insert_text_id = tp_g_signal_connect_object  (
2579                                 buffer, "insert-text",
2580                                 G_CALLBACK (chat_input_text_buffer_insert_text_cb),
2581                                 chat, G_CONNECT_AFTER);
2582                 priv->delete_range_id = tp_g_signal_connect_object  (
2583                                 buffer, "delete-range",
2584                                 G_CALLBACK (chat_input_text_buffer_delete_range_cb),
2585                                 chat, G_CONNECT_AFTER);
2586
2587                 gtk_text_buffer_create_tag (buffer, "misspelled",
2588                                             "underline", PANGO_UNDERLINE_ERROR,
2589                                             NULL);
2590
2591                 gtk_text_buffer_get_iter_at_mark (buffer, &iter,
2592                                                   gtk_text_buffer_get_insert (buffer));
2593                 gtk_text_buffer_create_mark (buffer, "previous-cursor-position",
2594                                              &iter, TRUE);
2595
2596                 /* Mark misspelled words in the existing buffer.
2597                  * Need to do so in idle so the spell checker is updated. */
2598                 priv->update_misspelled_words_id =
2599                         g_idle_add (update_misspelled_words, chat);
2600         } else {
2601                 GtkTextTagTable *table;
2602                 GtkTextTag *tag;
2603
2604                 g_signal_handler_disconnect (buffer, priv->notify_cursor_position_id);
2605                 priv->notify_cursor_position_id = 0;
2606                 g_signal_handler_disconnect (buffer, priv->insert_text_id);
2607                 priv->insert_text_id = 0;
2608                 g_signal_handler_disconnect (buffer, priv->delete_range_id);
2609                 priv->delete_range_id = 0;
2610
2611                 table = gtk_text_buffer_get_tag_table (buffer);
2612                 tag = gtk_text_tag_table_lookup (table, "misspelled");
2613                 gtk_text_tag_table_remove (table, tag);
2614
2615                 gtk_text_buffer_delete_mark_by_name (buffer,
2616                                                      "previous-cursor-position");
2617         }
2618
2619         priv->spell_checking_enabled = spell_checker;
2620 }
2621
2622 static gboolean
2623 save_paned_pos_timeout (gpointer data)
2624 {
2625         EmpathyChat *self = data;
2626         gint hpaned_pos;
2627
2628         hpaned_pos = gtk_paned_get_position (GTK_PANED (self->priv->hpaned));
2629
2630         g_settings_set_int (self->priv->gsettings_ui,
2631                             EMPATHY_PREFS_UI_CHAT_WINDOW_PANED_POS,
2632                             hpaned_pos);
2633
2634         return FALSE;
2635 }
2636
2637 static gboolean
2638 chat_hpaned_pos_changed_cb (GtkWidget* hpaned,
2639                 GParamSpec *spec,
2640                 gpointer user_data)
2641 {
2642         EmpathyChat *chat = EMPATHY_CHAT (user_data);
2643
2644         if (chat->priv->save_paned_pos_id != 0)
2645                 g_source_remove (chat->priv->save_paned_pos_id);
2646
2647         chat->priv->save_paned_pos_id = g_timeout_add_seconds (1,
2648                 save_paned_pos_timeout, chat);
2649
2650         return TRUE;
2651 }
2652
2653 static void
2654 chat_create_ui (EmpathyChat *chat)
2655 {
2656         EmpathyChatPriv *priv = GET_PRIV (chat);
2657         GtkBuilder      *gui;
2658         GList           *list = NULL;
2659         gchar           *filename;
2660         GtkTextBuffer   *buffer;
2661         gint              paned_pos;
2662         EmpathyThemeManager *theme_mgr;
2663
2664         filename = empathy_file_lookup ("empathy-chat.ui",
2665                                         "libempathy-gtk");
2666         gui = empathy_builder_get_file (filename,
2667                                         "chat_widget", &priv->widget,
2668                                         "hpaned", &priv->hpaned,
2669                                         "vbox_left", &priv->vbox_left,
2670                                         "scrolled_window_chat", &priv->scrolled_window_chat,
2671                                         "scrolled_window_input", &priv->scrolled_window_input,
2672                                         "hbox_topic", &priv->hbox_topic,
2673                                         "expander_topic", &priv->expander_topic,
2674                                         "label_topic", &priv->label_topic,
2675                                         "scrolled_window_contacts", &priv->scrolled_window_contacts,
2676                                         "info_bar_vbox", &priv->info_bar_vbox,
2677                                         NULL);
2678
2679         empathy_builder_connect (gui, chat,
2680                 "expander_topic", "notify::expanded", chat_topic_expander_activate_cb,
2681                 "label_topic", "size-allocate", chat_topic_label_size_allocate_cb,
2682                 NULL);
2683
2684         g_free (filename);
2685
2686         /* Add message view. */
2687         theme_mgr = empathy_theme_manager_dup_singleton ();
2688         chat->view = empathy_theme_manager_create_view (theme_mgr);
2689         g_object_unref (theme_mgr);
2690         /* If this is a GtkTextView, it's set as a drag destination for text/plain
2691            and other types, even though it's non-editable and doesn't accept any
2692            drags.  This steals drag motion for anything inside the scrollbars,
2693            making drag destinations on chat windows far less useful.
2694          */
2695         gtk_drag_dest_unset (GTK_WIDGET (chat->view));
2696         g_signal_connect (chat->view, "focus_in_event",
2697                           G_CALLBACK (chat_text_view_focus_in_event_cb),
2698                           chat);
2699         gtk_container_add (GTK_CONTAINER (priv->scrolled_window_chat),
2700                            GTK_WIDGET (chat->view));
2701         gtk_widget_show (GTK_WIDGET (chat->view));
2702
2703         /* Add input GtkTextView */
2704         chat->input_text_view = empathy_input_text_view_new ();
2705
2706         g_signal_connect (chat->input_text_view, "key-press-event",
2707                           G_CALLBACK (chat_input_key_press_event_cb),
2708                           chat);
2709         g_signal_connect (chat->input_text_view, "realize",
2710                           G_CALLBACK (chat_input_realize_cb),
2711                           chat);
2712         g_signal_connect (chat->input_text_view, "populate-popup",
2713                           G_CALLBACK (chat_input_populate_popup_cb),
2714                           chat);
2715         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
2716         tp_g_signal_connect_object  (buffer, "changed",
2717                           G_CALLBACK (chat_input_text_buffer_changed_cb),
2718                           chat, 0);
2719         tp_g_signal_connect_object (priv->gsettings_chat,
2720                         "changed::" EMPATHY_PREFS_CHAT_SPELL_CHECKER_ENABLED,
2721                         G_CALLBACK (conf_spell_checking_cb), chat, 0);
2722         conf_spell_checking_cb (priv->gsettings_chat,
2723                                 EMPATHY_PREFS_CHAT_SPELL_CHECKER_ENABLED, chat);
2724         gtk_container_add (GTK_CONTAINER (priv->scrolled_window_input),
2725                            chat->input_text_view);
2726         gtk_widget_show (chat->input_text_view);
2727
2728         /* Add the (invisible) search bar */
2729         priv->search_bar = empathy_search_bar_new (chat->view);
2730         gtk_box_pack_start (GTK_BOX(priv->vbox_left),
2731                             priv->search_bar,
2732                             FALSE, FALSE, 0);
2733         gtk_box_reorder_child (GTK_BOX(priv->vbox_left), priv->search_bar, 1);
2734
2735         /* Initialy hide the topic, will be shown if not empty */
2736         gtk_widget_hide (priv->hbox_topic);
2737
2738         g_signal_connect (priv->hpaned, "notify::position",
2739                           G_CALLBACK (chat_hpaned_pos_changed_cb),
2740                           chat);
2741
2742         /* Load the paned position */
2743         paned_pos = g_settings_get_int (priv->gsettings_ui,
2744                         EMPATHY_PREFS_UI_CHAT_WINDOW_PANED_POS);
2745         if (paned_pos != 0)
2746                 gtk_paned_set_position (GTK_PANED(priv->hpaned), paned_pos);
2747
2748         /* Set widget focus order */
2749         list = g_list_append (NULL, priv->search_bar);
2750         list = g_list_append (list, priv->scrolled_window_input);
2751         gtk_container_set_focus_chain (GTK_CONTAINER (priv->vbox_left), list);
2752         g_list_free (list);
2753
2754         list = g_list_append (NULL, priv->vbox_left);
2755         list = g_list_append (list, priv->scrolled_window_contacts);
2756         gtk_container_set_focus_chain (GTK_CONTAINER (priv->hpaned), list);
2757         g_list_free (list);
2758
2759         list = g_list_append (NULL, priv->hpaned);
2760         list = g_list_append (list, priv->hbox_topic);
2761         gtk_container_set_focus_chain (GTK_CONTAINER (priv->widget), list);
2762         g_list_free (list);
2763
2764         /* Add the main widget in the chat widget */
2765         gtk_container_add (GTK_CONTAINER (chat), priv->widget);
2766         g_object_unref (gui);
2767 }
2768
2769 static void
2770 chat_size_allocate (GtkWidget     *widget,
2771                     GtkAllocation *allocation)
2772 {
2773   GtkBin *bin = GTK_BIN (widget);
2774   GtkAllocation child_allocation;
2775   GtkWidget *child;
2776
2777   gtk_widget_set_allocation (widget, allocation);
2778
2779   child = gtk_bin_get_child (bin);
2780
2781   if (child && gtk_widget_get_visible (child))
2782     {
2783       child_allocation.x = allocation->x + gtk_container_get_border_width (GTK_CONTAINER (widget));
2784       child_allocation.y = allocation->y + gtk_container_get_border_width (GTK_CONTAINER (widget));
2785       child_allocation.width = MAX (allocation->width - gtk_container_get_border_width (GTK_CONTAINER (widget)) * 2, 0);
2786       child_allocation.height = MAX (allocation->height - gtk_container_get_border_width (GTK_CONTAINER (widget)) * 2, 0);
2787
2788       gtk_widget_size_allocate (child, &child_allocation);
2789     }
2790 }
2791
2792 static void
2793 chat_finalize (GObject *object)
2794 {
2795         EmpathyChat     *chat;
2796         EmpathyChatPriv *priv;
2797
2798         chat = EMPATHY_CHAT (object);
2799         priv = GET_PRIV (chat);
2800
2801         DEBUG ("Finalized: %p", object);
2802
2803         if (priv->update_misspelled_words_id != 0)
2804                 g_source_remove (priv->update_misspelled_words_id);
2805
2806         if (priv->save_paned_pos_id != 0)
2807                 g_source_remove (priv->save_paned_pos_id);
2808
2809         g_object_unref (priv->gsettings_chat);
2810         g_object_unref (priv->gsettings_ui);
2811
2812         g_list_foreach (priv->input_history, (GFunc) chat_input_history_entry_free, NULL);
2813         g_list_free (priv->input_history);
2814
2815         g_list_foreach (priv->compositors, (GFunc) g_object_unref, NULL);
2816         g_list_free (priv->compositors);
2817
2818         chat_composing_remove_timeout (chat);
2819
2820         g_object_unref (priv->account_manager);
2821         g_object_unref (priv->log_manager);
2822
2823         if (priv->tp_chat) {
2824                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
2825                         chat_destroy_cb, chat);
2826                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
2827                         chat_message_received_cb, chat);
2828                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
2829                         chat_send_error_cb, chat);
2830                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
2831                         chat_state_changed_cb, chat);
2832                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
2833                         chat_property_changed_cb, chat);
2834                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
2835                         chat_members_changed_cb, chat);
2836                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
2837                         chat_remote_contact_changed_cb, chat);
2838                 empathy_tp_chat_leave (priv->tp_chat, "");
2839                 g_object_unref (priv->tp_chat);
2840         }
2841         if (priv->account) {
2842                 g_object_unref (priv->account);
2843         }
2844         if (priv->remote_contact) {
2845                 g_object_unref (priv->remote_contact);
2846         }
2847
2848         if (priv->block_events_timeout_id) {
2849                 g_source_remove (priv->block_events_timeout_id);
2850         }
2851
2852         g_free (priv->id);
2853         g_free (priv->name);
2854         g_free (priv->subject);
2855         g_completion_free (priv->completion);
2856
2857         G_OBJECT_CLASS (empathy_chat_parent_class)->finalize (object);
2858 }
2859
2860 static void
2861 chat_constructed (GObject *object)
2862 {
2863         EmpathyChat *chat = EMPATHY_CHAT (object);
2864         EmpathyChatPriv *priv = GET_PRIV (chat);
2865
2866         if (priv->handle_type != TP_HANDLE_TYPE_ROOM) {
2867                 /* First display logs from the logger and then display pending messages */
2868                 chat_add_logs (chat);
2869         }
2870          else {
2871                 /* Just display pending messages for rooms */
2872                 priv->can_show_pending = TRUE;
2873                 show_pending_messages (chat);
2874         }
2875 }
2876
2877 static void
2878 empathy_chat_class_init (EmpathyChatClass *klass)
2879 {
2880         GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
2881         GObjectClass   *object_class = G_OBJECT_CLASS (klass);
2882
2883         object_class->finalize = chat_finalize;
2884         object_class->get_property = chat_get_property;
2885         object_class->set_property = chat_set_property;
2886         object_class->constructed = chat_constructed;
2887
2888         widget_class->size_allocate = chat_size_allocate;
2889
2890         g_object_class_install_property (object_class,
2891                                          PROP_TP_CHAT,
2892                                          g_param_spec_object ("tp-chat",
2893                                                               "Empathy tp chat",
2894                                                               "The tp chat object",
2895                                                               EMPATHY_TYPE_TP_CHAT,
2896                                                               G_PARAM_CONSTRUCT |
2897                                                               G_PARAM_READWRITE |
2898                                                               G_PARAM_STATIC_STRINGS));
2899         g_object_class_install_property (object_class,
2900                                          PROP_ACCOUNT,
2901                                          g_param_spec_object ("account",
2902                                                               "Account of the chat",
2903                                                               "The account of the chat",
2904                                                               TP_TYPE_ACCOUNT,
2905                                                               G_PARAM_READABLE |
2906                                                               G_PARAM_STATIC_STRINGS));
2907         g_object_class_install_property (object_class,
2908                                          PROP_ID,
2909                                          g_param_spec_string ("id",
2910                                                               "Chat's id",
2911                                                               "The id of the chat",
2912                                                               NULL,
2913                                                               G_PARAM_READABLE |
2914                                                               G_PARAM_STATIC_STRINGS));
2915         g_object_class_install_property (object_class,
2916                                          PROP_NAME,
2917                                          g_param_spec_string ("name",
2918                                                               "Chat's name",
2919                                                               "The name of the chat",
2920                                                               NULL,
2921                                                               G_PARAM_READABLE |
2922                                                               G_PARAM_STATIC_STRINGS));
2923         g_object_class_install_property (object_class,
2924                                          PROP_SUBJECT,
2925                                          g_param_spec_string ("subject",
2926                                                               "Chat's subject",
2927                                                               "The subject or topic of the chat",
2928                                                               NULL,
2929                                                               G_PARAM_READABLE |
2930                                                               G_PARAM_STATIC_STRINGS));
2931         g_object_class_install_property (object_class,
2932                                          PROP_REMOTE_CONTACT,
2933                                          g_param_spec_object ("remote-contact",
2934                                                               "The remote contact",
2935                                                               "The remote contact is any",
2936                                                               EMPATHY_TYPE_CONTACT,
2937                                                               G_PARAM_READABLE |
2938                                                               G_PARAM_STATIC_STRINGS));
2939         g_object_class_install_property (object_class,
2940                                          PROP_SHOW_CONTACTS,
2941                                          g_param_spec_boolean ("show-contacts",
2942                                                                "Contacts' visibility",
2943                                                                "The visibility of the contacts' list",
2944                                                                TRUE,
2945                                                                G_PARAM_READWRITE |
2946                                                                G_PARAM_STATIC_STRINGS));
2947
2948         signals[COMPOSING] =
2949                 g_signal_new ("composing",
2950                               G_OBJECT_CLASS_TYPE (object_class),
2951                               G_SIGNAL_RUN_LAST,
2952                               0,
2953                               NULL, NULL,
2954                               g_cclosure_marshal_VOID__BOOLEAN,
2955                               G_TYPE_NONE,
2956                               1, G_TYPE_BOOLEAN);
2957
2958         signals[NEW_MESSAGE] =
2959                 g_signal_new ("new-message",
2960                               G_OBJECT_CLASS_TYPE (object_class),
2961                               G_SIGNAL_RUN_LAST,
2962                               0,
2963                               NULL, NULL,
2964                               _empathy_gtk_marshal_VOID__OBJECT_BOOLEAN,
2965                               G_TYPE_NONE,
2966                               2, EMPATHY_TYPE_MESSAGE, G_TYPE_BOOLEAN);
2967
2968         g_type_class_add_private (object_class, sizeof (EmpathyChatPriv));
2969 }
2970
2971 static gboolean
2972 chat_block_events_timeout_cb (gpointer data)
2973 {
2974         EmpathyChatPriv *priv = GET_PRIV (data);
2975
2976         priv->block_events_timeout_id = 0;
2977
2978         return FALSE;
2979 }
2980
2981 static void
2982 account_manager_prepared_cb (GObject *source_object,
2983                              GAsyncResult *result,
2984                              gpointer user_data)
2985 {
2986         GList *accounts, *l;
2987         TpAccountManager *account_manager = TP_ACCOUNT_MANAGER (source_object);
2988         EmpathyChat *chat = user_data;
2989         GError *error = NULL;
2990
2991         if (!tp_account_manager_prepare_finish (account_manager, result, &error)) {
2992                 DEBUG ("Failed to prepare the account manager: %s", error->message);
2993                 g_error_free (error);
2994                 return;
2995         }
2996
2997         accounts = tp_account_manager_get_valid_accounts (account_manager);
2998
2999         for (l = accounts; l != NULL; l = l->next) {
3000                 TpAccount *account = l->data;
3001                 tp_g_signal_connect_object (account, "status-changed",
3002                                              G_CALLBACK (chat_new_connection_cb),
3003                                              chat, 0);
3004         }
3005
3006         g_list_free (accounts);
3007 }
3008
3009 static void
3010 empathy_chat_init (EmpathyChat *chat)
3011 {
3012         EmpathyChatPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (chat,
3013                 EMPATHY_TYPE_CHAT, EmpathyChatPriv);
3014
3015         chat->priv = priv;
3016         priv->log_manager = tpl_log_manager_dup_singleton ();
3017         priv->gsettings_chat = g_settings_new (EMPATHY_PREFS_CHAT_SCHEMA);
3018         priv->gsettings_ui = g_settings_new (EMPATHY_PREFS_UI_SCHEMA);
3019
3020         priv->contacts_width = -1;
3021         priv->input_history = NULL;
3022         priv->input_history_current = NULL;
3023         priv->account_manager = tp_account_manager_dup ();
3024
3025         tp_account_manager_prepare_async (priv->account_manager, NULL,
3026                                           account_manager_prepared_cb, chat);
3027
3028         priv->show_contacts = g_settings_get_boolean (priv->gsettings_chat,
3029                         EMPATHY_PREFS_CHAT_SHOW_CONTACTS_IN_ROOMS);
3030
3031         /* Block events for some time to avoid having "has come online" or
3032          * "joined" messages. */
3033         priv->block_events_timeout_id =
3034                 g_timeout_add_seconds (1, chat_block_events_timeout_cb, chat);
3035
3036         /* Add nick name completion */
3037         priv->completion = g_completion_new ((GCompletionFunc) empathy_contact_get_alias);
3038         g_completion_set_compare (priv->completion, chat_contacts_completion_func);
3039
3040         chat_create_ui (chat);
3041 }
3042
3043 EmpathyChat *
3044 empathy_chat_new (EmpathyTpChat *tp_chat)
3045 {
3046         return g_object_new (EMPATHY_TYPE_CHAT, "tp-chat", tp_chat, NULL);
3047 }
3048
3049 EmpathyTpChat *
3050 empathy_chat_get_tp_chat (EmpathyChat *chat)
3051 {
3052         EmpathyChatPriv *priv = GET_PRIV (chat);
3053
3054         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
3055
3056         return priv->tp_chat;
3057 }
3058
3059 typedef struct
3060 {
3061         EmpathyChat *self;
3062         GtkWidget *info_bar;
3063         gulong response_id;
3064         GtkWidget *button;
3065         GtkWidget *label;
3066         GtkWidget *entry;
3067         GtkWidget *spinner;
3068         gchar *password;
3069 } PasswordData;
3070
3071 static void
3072 passwd_remember_button_cb (GtkButton *button,
3073                           PasswordData *data)
3074 {
3075         gtk_info_bar_response (GTK_INFO_BAR (data->info_bar), GTK_RESPONSE_OK);
3076 }
3077
3078 static void
3079 passwd_not_now_button_cb (GtkButton *button,
3080                           PasswordData *data)
3081 {
3082         gtk_info_bar_response (GTK_INFO_BAR (data->info_bar), GTK_RESPONSE_NO);
3083 }
3084
3085 static void
3086 remember_password_infobar_response_cb (GtkWidget *info_bar,
3087                                        gint response_id,
3088                                        PasswordData *data)
3089 {
3090         EmpathyChatPriv *priv = GET_PRIV (data->self);
3091
3092         if (response_id == GTK_RESPONSE_OK) {
3093                 DEBUG ("Saving room password");
3094                 empathy_keyring_set_room_password_async (priv->account,
3095                                                          empathy_tp_chat_get_id (priv->tp_chat),
3096                                                          data->password,
3097                                                          NULL, NULL);
3098         }
3099
3100         gtk_widget_destroy (info_bar);
3101         g_free (data->password);
3102         g_slice_free (PasswordData, data);
3103 }
3104
3105 static void
3106 chat_prompt_to_save_password (EmpathyChat *self,
3107                               PasswordData *data)
3108 {
3109         GtkWidget *content_area;
3110         GtkWidget *hbox;
3111         GtkWidget *image;
3112         GtkWidget *label;
3113         GtkWidget *alig;
3114         GtkWidget *button;
3115
3116         /* save the password in case it needs to be saved */
3117         data->password = g_strdup (gtk_entry_get_text (GTK_ENTRY (data->entry)));
3118
3119         /* Remove all previous widgets */
3120         content_area = gtk_info_bar_get_content_area (GTK_INFO_BAR (data->info_bar));
3121         gtk_container_forall (GTK_CONTAINER (content_area),
3122                               (GtkCallback) gtk_widget_destroy, NULL);
3123         data->button = NULL;
3124         data->label = NULL;
3125         data->entry = NULL;
3126         data->spinner = NULL;
3127
3128         gtk_info_bar_set_message_type (GTK_INFO_BAR (data->info_bar),
3129                                        GTK_MESSAGE_QUESTION);
3130
3131         hbox = gtk_hbox_new (FALSE, 5);
3132         gtk_box_pack_start (GTK_BOX (content_area), hbox, TRUE, TRUE, 0);
3133
3134         /* Add image */
3135         image = gtk_image_new_from_stock (GTK_STOCK_DIALOG_AUTHENTICATION,
3136                                           GTK_ICON_SIZE_DIALOG);
3137         gtk_box_pack_start (GTK_BOX (hbox), image, FALSE, FALSE, 0);
3138
3139         /* Add message */
3140         label = gtk_label_new (_("Would you like to store this password?"));
3141         gtk_box_pack_start (GTK_BOX (hbox), label, TRUE, TRUE, 0);
3142
3143         /* Add 'Remember' button */
3144         alig = gtk_alignment_new (0, 0.5, 1, 0);
3145
3146         button = gtk_button_new_with_label (_("Remember"));
3147         gtk_container_add (GTK_CONTAINER (alig), button);
3148         gtk_box_pack_start (GTK_BOX (hbox), alig, FALSE, FALSE, 0);
3149
3150         g_signal_connect (button, "clicked", G_CALLBACK (passwd_remember_button_cb),
3151                           data);
3152
3153         /* Add 'Not now' button */
3154         alig = gtk_alignment_new (0, 0.5, 1, 0);
3155
3156         button = gtk_button_new_with_label (_("Not now"));
3157         gtk_container_add (GTK_CONTAINER (alig), button);
3158         gtk_box_pack_start (GTK_BOX (hbox), alig, FALSE, FALSE, 0);
3159
3160         g_signal_connect (button, "clicked", G_CALLBACK (passwd_not_now_button_cb),
3161                           data);
3162
3163         /* go! */
3164         g_signal_handler_disconnect (data->info_bar, data->response_id);
3165         g_signal_connect (data->info_bar, "response",
3166                           G_CALLBACK (remember_password_infobar_response_cb), data);
3167
3168         gtk_widget_show_all (data->info_bar);
3169 }
3170
3171 static void
3172 provide_password_cb (GObject *tp_chat,
3173                      GAsyncResult *res,
3174                      gpointer user_data)
3175 {
3176         PasswordData *data = user_data;
3177         EmpathyChat *self = data->self;
3178         EmpathyChatPriv *priv = GET_PRIV (self);
3179         GError *error = NULL;
3180
3181         if (!empathy_tp_chat_provide_password_finish (EMPATHY_TP_CHAT (tp_chat), res,
3182                                                       &error)) {
3183                 DEBUG ("error: %s", error->message);
3184                 /* FIXME: what should we do if that's another error? Close the channel?
3185                  * Display the raw D-Bus error to the user isn't very useful */
3186                 if (g_error_matches (error, TP_ERRORS, TP_ERROR_AUTHENTICATION_FAILED)) {
3187                         /* entry */
3188                         gtk_entry_set_text (GTK_ENTRY (data->entry), "");
3189                         gtk_widget_set_sensitive (data->entry, TRUE);
3190                         gtk_widget_grab_focus (data->entry);
3191
3192                         /* info bar */
3193                         gtk_info_bar_set_message_type (
3194                             GTK_INFO_BAR (data->info_bar),
3195                             GTK_MESSAGE_ERROR);
3196
3197                         /* button */
3198                         gtk_widget_set_sensitive (data->button, TRUE);
3199                         gtk_button_set_label (GTK_BUTTON (data->button),
3200                             _("Retry"));
3201
3202                         /* label */
3203                         gtk_label_set_text (GTK_LABEL (data->label),
3204                             _("Wrong password; please try again:"));
3205
3206                         /* spinner */
3207                         gtk_spinner_stop (GTK_SPINNER (data->spinner));
3208                         gtk_widget_hide (data->spinner);
3209                 }
3210                 g_error_free (error);
3211                 return;
3212         }
3213
3214         if (empathy_keyring_is_available ()) {
3215                 /* ask whether they want to save the password */
3216                 chat_prompt_to_save_password (self, data);
3217         } else {
3218                 /* Get rid of the password info bar finally */
3219                 gtk_widget_destroy (data->info_bar);
3220                 g_slice_free (PasswordData, data);
3221         }
3222
3223         /* Room joined */
3224         gtk_widget_set_sensitive (priv->hpaned, TRUE);
3225         gtk_widget_grab_focus (self->input_text_view);
3226 }
3227
3228 static void
3229 password_infobar_response_cb (GtkWidget *info_bar,
3230                               gint response_id,
3231                               PasswordData *data)
3232 {
3233         EmpathyChatPriv *priv = GET_PRIV (data->self);
3234         const gchar *password;
3235
3236         if (response_id != GTK_RESPONSE_OK) {
3237                 gtk_widget_destroy (info_bar);
3238                 g_slice_free (PasswordData, data);
3239                 return;
3240         }
3241
3242         password = gtk_entry_get_text (GTK_ENTRY (data->entry));
3243
3244         empathy_tp_chat_provide_password_async (priv->tp_chat, password,
3245                                                 provide_password_cb, data);
3246
3247         gtk_widget_set_sensitive (data->button, FALSE);
3248         gtk_widget_set_sensitive (data->entry, FALSE);
3249
3250         gtk_spinner_start (GTK_SPINNER (data->spinner));
3251         gtk_widget_show (data->spinner);
3252 }
3253
3254 static void
3255 password_entry_activate_cb (GtkWidget *entry,
3256                           PasswordData *data)
3257 {
3258         gtk_info_bar_response (GTK_INFO_BAR (data->info_bar), GTK_RESPONSE_OK);
3259 }
3260
3261 static void
3262 passwd_join_button_cb (GtkButton *button,
3263                           PasswordData *data)
3264 {
3265         gtk_info_bar_response (GTK_INFO_BAR (data->info_bar), GTK_RESPONSE_OK);
3266 }
3267
3268 static void
3269 clear_icon_released_cb (GtkEntry *entry,
3270                         GtkEntryIconPosition icon_pos,
3271                         GdkEvent *event,
3272                         PasswordData *data)
3273 {
3274         gtk_entry_set_text (entry, "");
3275 }
3276
3277 static void
3278 password_entry_changed_cb (GtkEditable *entry,
3279                            PasswordData *data)
3280 {
3281         const gchar *str;
3282
3283         str = gtk_entry_get_text (GTK_ENTRY (entry));
3284
3285         gtk_entry_set_icon_sensitive (GTK_ENTRY (entry),
3286             GTK_ENTRY_ICON_SECONDARY, !EMP_STR_EMPTY (str));
3287 }
3288
3289 static void
3290 display_password_info_bar (EmpathyChat *self)
3291 {
3292         EmpathyChatPriv *priv = GET_PRIV (self);
3293         GtkWidget *info_bar;
3294         GtkWidget *content_area;
3295         GtkWidget *hbox;
3296         GtkWidget *image;
3297         GtkWidget *label;
3298         GtkWidget *entry;
3299         GtkWidget *alig;
3300         GtkWidget *button;
3301         GtkWidget *spinner;
3302         PasswordData *data;
3303
3304         data = g_slice_new0 (PasswordData);
3305
3306         info_bar = gtk_info_bar_new ();
3307         gtk_info_bar_set_message_type (GTK_INFO_BAR (info_bar),
3308             GTK_MESSAGE_QUESTION);
3309
3310         content_area = gtk_info_bar_get_content_area (GTK_INFO_BAR (info_bar));
3311
3312         hbox = gtk_hbox_new (FALSE, 5);
3313         gtk_box_pack_start (GTK_BOX (content_area), hbox, TRUE, TRUE, 0);
3314
3315         /* Add image */
3316         image = gtk_image_new_from_stock (GTK_STOCK_DIALOG_AUTHENTICATION,
3317                                           GTK_ICON_SIZE_DIALOG);
3318         gtk_box_pack_start (GTK_BOX (hbox), image, FALSE, FALSE, 0);
3319
3320         /* Add message */
3321         label = gtk_label_new (_("This room is protected by a password:"));
3322         gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
3323
3324         /* Add password entry */
3325         entry = gtk_entry_new ();
3326         gtk_entry_set_visibility (GTK_ENTRY (entry), FALSE);
3327         gtk_box_pack_start (GTK_BOX (hbox), entry, TRUE, TRUE, 0);
3328
3329         gtk_entry_set_icon_from_stock (GTK_ENTRY (entry),
3330                                        GTK_ENTRY_ICON_SECONDARY, GTK_STOCK_CLEAR);
3331         gtk_entry_set_icon_sensitive (GTK_ENTRY (entry),
3332                                       GTK_ENTRY_ICON_SECONDARY, FALSE);
3333
3334         g_signal_connect (entry, "icon-release",
3335                           G_CALLBACK (clear_icon_released_cb), data);
3336         g_signal_connect (entry, "changed",
3337                           G_CALLBACK (password_entry_changed_cb), data);
3338
3339         g_signal_connect (entry, "activate",
3340                           G_CALLBACK (password_entry_activate_cb), data);
3341
3342         /* Focus the password entry once it's realized */
3343         g_signal_connect (entry, "realize", G_CALLBACK (gtk_widget_grab_focus), NULL);
3344
3345         /* Add 'Join' button */
3346         alig = gtk_alignment_new (0, 0.5, 1, 0);
3347
3348         button = gtk_button_new_with_label (_("Join"));
3349         gtk_container_add (GTK_CONTAINER (alig), button);
3350         gtk_box_pack_start (GTK_BOX (hbox), alig, FALSE, FALSE, 0);
3351
3352         g_signal_connect (button, "clicked", G_CALLBACK (passwd_join_button_cb),
3353                           data);
3354
3355         /* Add spinner */
3356         spinner = gtk_spinner_new ();
3357         gtk_box_pack_end (GTK_BOX (hbox), spinner, FALSE, FALSE, 0);
3358
3359         /* Save some data for messing around with later */
3360         data->self = self;
3361         data->info_bar = info_bar;
3362         data->button = button;
3363         data->label = label;
3364         data->entry = entry;
3365         data->spinner = spinner;
3366
3367         gtk_box_pack_start (GTK_BOX (priv->info_bar_vbox), info_bar,
3368                             TRUE, TRUE, 3);
3369         gtk_widget_show_all (hbox);
3370
3371         data->response_id = g_signal_connect (info_bar, "response",
3372                                               G_CALLBACK (password_infobar_response_cb), data);
3373
3374         gtk_widget_show_all (info_bar);
3375         /* ... but hide the spinner */
3376         gtk_widget_hide (spinner);
3377 }
3378
3379 static void
3380 provide_saved_password_cb (GObject *tp_chat,
3381                            GAsyncResult *res,
3382                            gpointer user_data)
3383 {
3384         EmpathyChat *self = user_data;
3385         EmpathyChatPriv *priv = GET_PRIV (self);
3386         GError *error = NULL;
3387
3388         if (!empathy_tp_chat_provide_password_finish (EMPATHY_TP_CHAT (tp_chat), res,
3389                                                       &error)) {
3390                 DEBUG ("error: %s", error->message);
3391                 /* FIXME: what should we do if that's another error? Close the channel?
3392                  * Display the raw D-Bus error to the user isn't very useful */
3393                 if (g_error_matches (error, TP_ERRORS, TP_ERROR_AUTHENTICATION_FAILED)) {
3394                         display_password_info_bar (self);
3395                         gtk_widget_set_sensitive (priv->hpaned, FALSE);
3396                 }
3397                 g_error_free (error);
3398                 return;
3399         }
3400
3401         /* Room joined */
3402         gtk_widget_set_sensitive (priv->hpaned, TRUE);
3403         gtk_widget_grab_focus (self->input_text_view);
3404 }
3405
3406 static void
3407 chat_room_got_password_cb (GObject *source,
3408                            GAsyncResult *result,
3409                            gpointer user_data)
3410 {
3411         EmpathyChat *self = user_data;
3412         EmpathyChatPriv *priv = GET_PRIV (self);
3413         const gchar *password;
3414         GError *error = NULL;
3415
3416         password = empathy_keyring_get_room_password_finish (priv->account,
3417             result, &error);
3418
3419         if (error != NULL) {
3420                 DEBUG ("Couldn't get room password: %s\n", error->message);
3421                 g_clear_error (&error);
3422
3423                 display_password_info_bar (self);
3424                 gtk_widget_set_sensitive (priv->hpaned, FALSE);
3425                 return;
3426         }
3427
3428         empathy_tp_chat_provide_password_async (priv->tp_chat, password,
3429                                                 provide_saved_password_cb, self);
3430 }
3431
3432 static void
3433 chat_password_needed_changed_cb (EmpathyChat *self)
3434 {
3435         EmpathyChatPriv *priv = GET_PRIV (self);
3436
3437         if (empathy_tp_chat_password_needed (priv->tp_chat)) {
3438                 empathy_keyring_get_room_password_async (priv->account,
3439                                                          empathy_tp_chat_get_id (priv->tp_chat),
3440                                                          chat_room_got_password_cb, self);
3441         }
3442 }
3443
3444 void
3445 empathy_chat_set_tp_chat (EmpathyChat   *chat,
3446                           EmpathyTpChat *tp_chat)
3447 {
3448         EmpathyChatPriv *priv = GET_PRIV (chat);
3449         GPtrArray       *properties;
3450
3451         g_return_if_fail (EMPATHY_IS_CHAT (chat));
3452         g_return_if_fail (EMPATHY_IS_TP_CHAT (tp_chat));
3453         g_return_if_fail (empathy_tp_chat_is_ready (tp_chat));
3454
3455         if (priv->tp_chat) {
3456                 return;
3457         }
3458
3459         if (priv->account) {
3460                 g_object_unref (priv->account);
3461         }
3462
3463         priv->tp_chat = g_object_ref (tp_chat);
3464         priv->account = g_object_ref (empathy_tp_chat_get_account (priv->tp_chat));
3465
3466         g_signal_connect (tp_chat, "destroy",
3467                           G_CALLBACK (chat_destroy_cb),
3468                           chat);
3469         g_signal_connect (tp_chat, "message-received",
3470                           G_CALLBACK (chat_message_received_cb),
3471                           chat);
3472         g_signal_connect (tp_chat, "send-error",
3473                           G_CALLBACK (chat_send_error_cb),
3474                           chat);
3475         g_signal_connect (tp_chat, "chat-state-changed",
3476                           G_CALLBACK (chat_state_changed_cb),
3477                           chat);
3478         g_signal_connect (tp_chat, "property-changed",
3479                           G_CALLBACK (chat_property_changed_cb),
3480                           chat);
3481         g_signal_connect (tp_chat, "members-changed",
3482                           G_CALLBACK (chat_members_changed_cb),
3483                           chat);
3484         g_signal_connect (tp_chat, "member-renamed",
3485                           G_CALLBACK (chat_member_renamed_cb),
3486                           chat);
3487         g_signal_connect_swapped (tp_chat, "notify::remote-contact",
3488                                   G_CALLBACK (chat_remote_contact_changed_cb),
3489                                   chat);
3490         g_signal_connect_swapped (tp_chat, "notify::password-needed",
3491                                   G_CALLBACK (chat_password_needed_changed_cb),
3492                                   chat);
3493
3494         /* Get initial value of properties */
3495         properties = empathy_tp_chat_get_properties (priv->tp_chat);
3496         if (properties != NULL) {
3497                 guint i;
3498
3499                 for (i = 0; i < properties->len; i++) {
3500                         EmpathyTpChatProperty *property;
3501
3502                         property = g_ptr_array_index (properties, i);
3503                         if (property->value == NULL)
3504                                 continue;
3505
3506                         chat_property_changed_cb (priv->tp_chat,
3507                                                   property->name,
3508                                                   property->value,
3509                                                   chat);
3510                 }
3511         }
3512
3513         chat_remote_contact_changed_cb (chat);
3514
3515         if (chat->input_text_view) {
3516                 gtk_widget_set_sensitive (chat->input_text_view, TRUE);
3517                 if (priv->block_events_timeout_id == 0) {
3518                         empathy_chat_view_append_event (chat->view, _("Connected"));
3519                 }
3520         }
3521
3522         g_object_notify (G_OBJECT (chat), "tp-chat");
3523         g_object_notify (G_OBJECT (chat), "id");
3524         g_object_notify (G_OBJECT (chat), "account");
3525
3526         /* This is a noop when tp-chat is set at object construction time and causes
3527          * the pending messages to be show when it's set on the object after it has
3528          * been created */
3529         show_pending_messages (chat);
3530
3531         /* check if a password is needed */
3532         chat_password_needed_changed_cb (chat);
3533 }
3534
3535 TpAccount *
3536 empathy_chat_get_account (EmpathyChat *chat)
3537 {
3538         EmpathyChatPriv *priv = GET_PRIV (chat);
3539
3540         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
3541
3542         return priv->account;
3543 }
3544
3545 const gchar *
3546 empathy_chat_get_id (EmpathyChat *chat)
3547 {
3548         EmpathyChatPriv *priv = GET_PRIV (chat);
3549
3550         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
3551
3552         return priv->id;
3553 }
3554
3555 const gchar *
3556 empathy_chat_get_name (EmpathyChat *chat)
3557 {
3558         EmpathyChatPriv *priv = GET_PRIV (chat);
3559         const gchar *ret;
3560
3561         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
3562
3563         ret = priv->name;
3564         if (!ret && priv->remote_contact) {
3565                 ret = empathy_contact_get_alias (priv->remote_contact);
3566         }
3567
3568         if (!ret)
3569                 ret = priv->id;
3570
3571         return ret ? ret : _("Conversation");
3572 }
3573
3574 const gchar *
3575 empathy_chat_get_subject (EmpathyChat *chat)
3576 {
3577         EmpathyChatPriv *priv = GET_PRIV (chat);
3578
3579         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
3580
3581         return priv->subject;
3582 }
3583
3584 EmpathyContact *
3585 empathy_chat_get_remote_contact (EmpathyChat *chat)
3586 {
3587         EmpathyChatPriv *priv = GET_PRIV (chat);
3588
3589         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
3590
3591         return priv->remote_contact;
3592 }
3593
3594 GtkWidget *
3595 empathy_chat_get_contact_menu (EmpathyChat *chat)
3596 {
3597         EmpathyChatPriv *priv = GET_PRIV (chat);
3598         GtkWidget       *menu = NULL;
3599
3600         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
3601
3602         if (priv->remote_contact) {
3603                 menu = empathy_contact_menu_new (priv->remote_contact,
3604                                                  EMPATHY_CONTACT_FEATURE_CALL |
3605                                                  EMPATHY_CONTACT_FEATURE_LOG |
3606                                                  EMPATHY_CONTACT_FEATURE_INFO |
3607                                                  EMPATHY_CONTACT_FEATURE_BLOCK);
3608         }
3609
3610         return menu;
3611 }
3612
3613 void
3614 empathy_chat_clear (EmpathyChat *chat)
3615 {
3616         g_return_if_fail (EMPATHY_IS_CHAT (chat));
3617
3618         empathy_chat_view_clear (chat->view);
3619 }
3620
3621 void
3622 empathy_chat_scroll_down (EmpathyChat *chat)
3623 {
3624         g_return_if_fail (EMPATHY_IS_CHAT (chat));
3625
3626         empathy_chat_view_scroll_down (chat->view);
3627 }
3628
3629 void
3630 empathy_chat_cut (EmpathyChat *chat)
3631 {
3632         GtkTextBuffer *buffer;
3633
3634         g_return_if_fail (EMPATHY_IS_CHAT (chat));
3635
3636         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
3637         if (gtk_text_buffer_get_has_selection (buffer)) {
3638                 GtkClipboard *clipboard;
3639
3640                 clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
3641
3642                 gtk_text_buffer_cut_clipboard (buffer, clipboard, TRUE);
3643         }
3644 }
3645
3646 void
3647 empathy_chat_copy (EmpathyChat *chat)
3648 {
3649         GtkTextBuffer *buffer;
3650
3651         g_return_if_fail (EMPATHY_IS_CHAT (chat));
3652
3653         if (empathy_chat_view_get_has_selection (chat->view)) {
3654                 empathy_chat_view_copy_clipboard (chat->view);
3655                 return;
3656         }
3657
3658         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
3659         if (gtk_text_buffer_get_has_selection (buffer)) {
3660                 GtkClipboard *clipboard;
3661
3662                 clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
3663
3664                 gtk_text_buffer_copy_clipboard (buffer, clipboard);
3665         }
3666         else {
3667                 gint start_offset;
3668                 gint end_offset;
3669                 EmpathyChatPriv *priv = GET_PRIV (chat);
3670
3671                 if (gtk_label_get_selection_bounds (GTK_LABEL (priv->label_topic),
3672                                                                &start_offset,
3673                                                                &end_offset)) {
3674                         gchar *start;
3675                         gchar *end;
3676                         gchar *selection;
3677                         const gchar *topic;
3678                         GtkClipboard *clipboard;
3679
3680                         topic = gtk_label_get_text (GTK_LABEL (priv->label_topic));
3681                         start = g_utf8_offset_to_pointer (topic, start_offset);
3682                         end = g_utf8_offset_to_pointer (topic, end_offset);
3683                         selection = g_strndup (start, end - start);
3684
3685                         clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
3686                         gtk_clipboard_set_text (clipboard, selection, -1);
3687
3688                         g_free (selection);
3689                 }
3690         }
3691 }
3692
3693 void
3694 empathy_chat_paste (EmpathyChat *chat)
3695 {
3696         GtkTextBuffer *buffer;
3697         GtkClipboard  *clipboard;
3698         EmpathyChatPriv *priv;
3699
3700         g_return_if_fail (EMPATHY_IS_CHAT (chat));
3701
3702         priv = GET_PRIV (chat);
3703
3704         if (gtk_widget_get_visible (priv->search_bar)) {
3705                 empathy_search_bar_paste_clipboard (EMPATHY_SEARCH_BAR (priv->search_bar));
3706                 return;
3707         }
3708
3709         if (priv->tp_chat == NULL ||
3710             !gtk_widget_is_sensitive (chat->input_text_view))
3711                 return;
3712
3713         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
3714         clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
3715
3716         gtk_text_buffer_paste_clipboard (buffer, clipboard, NULL, TRUE);
3717 }
3718
3719 void
3720 empathy_chat_find (EmpathyChat *chat)
3721 {
3722         EmpathyChatPriv *priv;
3723
3724         g_return_if_fail (EMPATHY_IS_CHAT (chat));
3725
3726         priv = GET_PRIV (chat);
3727
3728         empathy_search_bar_show (EMPATHY_SEARCH_BAR (priv->search_bar));
3729 }
3730
3731 void
3732 empathy_chat_correct_word (EmpathyChat  *chat,
3733                           GtkTextIter *start,
3734                           GtkTextIter *end,
3735                           const gchar *new_word)
3736 {
3737         GtkTextBuffer *buffer;
3738
3739         g_return_if_fail (chat != NULL);
3740         g_return_if_fail (new_word != NULL);
3741
3742         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
3743
3744         gtk_text_buffer_delete (buffer, start, end);
3745         gtk_text_buffer_insert (buffer, start,
3746                                 new_word,
3747                                 -1);
3748 }
3749
3750 gboolean
3751 empathy_chat_is_room (EmpathyChat *chat)
3752 {
3753         EmpathyChatPriv *priv = GET_PRIV (chat);
3754
3755         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), FALSE);
3756
3757         return (priv->handle_type == TP_HANDLE_TYPE_ROOM);
3758 }
3759
3760 guint
3761 empathy_chat_get_nb_unread_messages (EmpathyChat *self)
3762 {
3763         EmpathyChatPriv *priv = GET_PRIV (self);
3764
3765         g_return_val_if_fail (EMPATHY_IS_CHAT (self), 0);
3766
3767         return priv->unread_messages;
3768 }
3769
3770 /* called when the messages have been read by user */
3771 void
3772 empathy_chat_messages_read (EmpathyChat *self)
3773 {
3774         EmpathyChatPriv *priv = GET_PRIV (self);
3775
3776         g_return_if_fail (EMPATHY_IS_CHAT (self));
3777
3778         /* FIXME: See Bug#610994, See comments about it in EmpathyChatPriv
3779          * definition. If we are still retrieving the backlogs, do not ACK */
3780         if (priv->retrieving_backlogs)
3781                 return;
3782
3783         if (priv->tp_chat != NULL ) {
3784                         empathy_tp_chat_acknowledge_all_messages (priv->tp_chat);
3785         }
3786         priv->unread_messages = 0;
3787 }
3788
3789 /* Return TRUE if on of the contacts in this chat is composing */
3790 gboolean
3791 empathy_chat_is_composing (EmpathyChat *chat)
3792 {
3793   return chat->priv->compositors != NULL;
3794 }