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) 2007-2008 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., 59 Temple Place - Suite 330,
  19  * Boston, MA 02111-1307, 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 #include <gdk/gdkkeysyms.h>
  34 #include <glib/gi18n-lib.h>
  35 #include <gtk/gtk.h>
  36
  37 #include <telepathy-glib/util.h>
  38
  39 #include <libempathy/empathy-account-manager.h>
  40 #include <libempathy/empathy-log-manager.h>
  41 #include <libempathy/empathy-contact-list.h>
  42 #include <libempathy/empathy-utils.h>
  43 #include <libempathy/empathy-dispatcher.h>
  44
  45 #include "empathy-chat.h"
  46 #include "empathy-conf.h"
  47 #include "empathy-spell.h"
  48 #include "empathy-spell-dialog.h"
  49 #include "empathy-contact-list-store.h"
  50 #include "empathy-contact-list-view.h"
  51 #include "empathy-contact-menu.h"
  52 #include "empathy-theme-manager.h"
  53 #include "empathy-smiley-manager.h"
  54 #include "empathy-ui-utils.h"
  55
  56 #define DEBUG_FLAG EMPATHY_DEBUG_CHAT
  57 #include <libempathy/empathy-debug.h>
  58
  59 #define CHAT_DIR_CREATE_MODE  (S_IRUSR | S_IWUSR | S_IXUSR)
  60 #define CHAT_FILE_CREATE_MODE (S_IRUSR | S_IWUSR)
  61 #define IS_ENTER(v) (v == GDK_Return || v == GDK_ISO_Enter || v == GDK_KP_Enter)
  62 #define MAX_INPUT_HEIGHT 150
  63 #define COMPOSING_STOP_TIMEOUT 5
  64
  65 #define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyChat)
  66 typedef struct {
  67         EmpathyTpChat     *tp_chat;
  68         gulong            tp_chat_destroy_handler;
  69         McAccount         *account;
  70         gchar             *id;
  71         gchar             *name;
  72         gchar             *subject;
  73         EmpathyContact    *remote_contact;
  74
  75         EmpathyLogManager *log_manager;
  76         EmpathyAccountManager *account_manager;
  77         GSList            *sent_messages;
  78         gint               sent_messages_index;
  79         GList             *compositors;
  80         GCompletion       *completion;
  81         guint              composing_stop_timeout_id;
  82         guint              block_events_timeout_id;
  83         TpHandleType       handle_type;
  84         gint               contacts_width;
  85         gboolean           has_input_vscroll;
  86
  87         GtkWidget         *widget;
  88         GtkWidget         *hpaned;
  89         GtkWidget         *vbox_left;
  90         GtkWidget         *scrolled_window_chat;
  91         GtkWidget         *scrolled_window_input;
  92         GtkWidget         *scrolled_window_contacts;
  93         GtkWidget         *hbox_topic;
  94         GtkWidget         *label_topic;
  95         GtkWidget         *contact_list_view;
  96 } EmpathyChatPriv;
  97
  98 enum {
  99         COMPOSING,
 100         NEW_MESSAGE,
 101         LAST_SIGNAL
 102 };
 103
 104 enum {
 105         PROP_0,
 106         PROP_TP_CHAT,
 107         PROP_ACCOUNT,
 108         PROP_ID,
 109         PROP_NAME,
 110         PROP_SUBJECT,
 111         PROP_REMOTE_CONTACT,
 112 };
 113
 114 static guint signals[LAST_SIGNAL] = { 0 };
 115
 116 G_DEFINE_TYPE (EmpathyChat, empathy_chat, GTK_TYPE_BIN);
 117
 118 static void
 119 chat_get_property (GObject    *object,
 120                    guint       param_id,
 121                    GValue     *value,
 122                    GParamSpec *pspec)
 123 {
 124         EmpathyChat *chat = EMPATHY_CHAT (object);
 125         EmpathyChatPriv *priv = GET_PRIV (object);
 126
 127         switch (param_id) {
 128         case PROP_TP_CHAT:
 129                 g_value_set_object (value, priv->tp_chat);
 130                 break;
 131         case PROP_ACCOUNT:
 132                 g_value_set_object (value, priv->account);
 133                 break;
 134         case PROP_NAME:
 135                 g_value_set_string (value, empathy_chat_get_name (chat));
 136                 break;
 137         case PROP_ID:
 138                 g_value_set_string (value, priv->id);
 139                 break;
 140         case PROP_SUBJECT:
 141                 g_value_set_string (value, priv->subject);
 142                 break;
 143         case PROP_REMOTE_CONTACT:
 144                 g_value_set_object (value, priv->remote_contact);
 145                 break;
 146         default:
 147                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 148                 break;
 149         };
 150 }
 151
 152 static void
 153 chat_set_property (GObject      *object,
 154                    guint         param_id,
 155                    const GValue *value,
 156                    GParamSpec   *pspec)
 157 {
 158         EmpathyChat *chat = EMPATHY_CHAT (object);
 159
 160         switch (param_id) {
 161         case PROP_TP_CHAT:
 162                 empathy_chat_set_tp_chat (chat, EMPATHY_TP_CHAT (g_value_get_object (value)));
 163                 break;
 164         default:
 165                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 166                 break;
 167         };
 168 }
 169
 170 static void
 171 chat_connect_channel_reconnected (EmpathyDispatchOperation *dispatch,
 172                                   const GError             *error,
 173                                   gpointer                  user_data)
 174 {
 175         EmpathyChat *chat = EMPATHY_CHAT (user_data);
 176         EmpathyTpChat *tpchat;
 177
 178         if (error != NULL) {
 179                 empathy_chat_view_append_event (chat->view,
 180                         _("Failed to reconnect this chat"));
 181                 return;
 182         }
 183
 184         tpchat = EMPATHY_TP_CHAT (
 185                 empathy_dispatch_operation_get_channel_wrapper (dispatch));
 186
 187         if (empathy_dispatch_operation_claim (dispatch)) {
 188                 empathy_chat_set_tp_chat (chat, tpchat);
 189         }
 190 }
 191
 192 static void
 193 chat_new_connection_cb (EmpathyAccountManager *manager,
 194                         TpConnection *connection,
 195                         EmpathyChat *chat)
 196 {
 197         EmpathyChatPriv *priv = GET_PRIV (chat);
 198         McAccount *account;
 199
 200         account = empathy_account_manager_get_account (manager, connection);
 201         if (!priv->tp_chat && empathy_account_equal (account, priv->account) &&
 202             priv->handle_type != TP_HANDLE_TYPE_NONE &&
 203             !EMP_STR_EMPTY (priv->id)) {
 204
 205                 DEBUG ("Account reconnected, request a new Text channel");
 206
 207                 switch (priv->handle_type) {
 208                         case TP_HANDLE_TYPE_CONTACT:
 209                                 empathy_dispatcher_chat_with_contact_id (
 210                                         connection, priv->id,
 211                                         chat_connect_channel_reconnected,
 212                                         chat);
 213                                 break;
 214                         case TP_HANDLE_TYPE_ROOM:
 215                                 empathy_dispatcher_join_muc (connection,
 216                                         priv->id,
 217                                         chat_connect_channel_reconnected,
 218                                         chat);
 219                                 break;
 220                         default:
 221                                 g_assert_not_reached ();
 222                                 break;
 223                 }
 224         }
 225 }
 226
 227 static void
 228 chat_composing_remove_timeout (EmpathyChat *chat)
 229 {
 230         EmpathyChatPriv *priv;
 231
 232         priv = GET_PRIV (chat);
 233
 234         if (priv->composing_stop_timeout_id) {
 235                 g_source_remove (priv->composing_stop_timeout_id);
 236                 priv->composing_stop_timeout_id = 0;
 237         }
 238 }
 239
 240 static gboolean
 241 chat_composing_stop_timeout_cb (EmpathyChat *chat)
 242 {
 243         EmpathyChatPriv *priv;
 244
 245         priv = GET_PRIV (chat);
 246
 247         priv->composing_stop_timeout_id = 0;
 248         empathy_tp_chat_set_state (priv->tp_chat,
 249                                    TP_CHANNEL_CHAT_STATE_PAUSED);
 250
 251         return FALSE;
 252 }
 253
 254 static void
 255 chat_composing_start (EmpathyChat *chat)
 256 {
 257         EmpathyChatPriv *priv;
 258
 259         priv = GET_PRIV (chat);
 260
 261         if (priv->composing_stop_timeout_id) {
 262                 /* Just restart the timeout */
 263                 chat_composing_remove_timeout (chat);
 264         } else {
 265                 empathy_tp_chat_set_state (priv->tp_chat,
 266                                            TP_CHANNEL_CHAT_STATE_COMPOSING);
 267         }
 268
 269         priv->composing_stop_timeout_id = g_timeout_add_seconds (
 270                 COMPOSING_STOP_TIMEOUT,
 271                 (GSourceFunc) chat_composing_stop_timeout_cb,
 272                 chat);
 273 }
 274
 275 static void
 276 chat_composing_stop (EmpathyChat *chat)
 277 {
 278         EmpathyChatPriv *priv;
 279
 280         priv = GET_PRIV (chat);
 281
 282         chat_composing_remove_timeout (chat);
 283         empathy_tp_chat_set_state (priv->tp_chat,
 284                                    TP_CHANNEL_CHAT_STATE_ACTIVE);
 285 }
 286
 287 static void
 288 chat_sent_message_add (EmpathyChat  *chat,
 289                        const gchar *str)
 290 {
 291         EmpathyChatPriv *priv;
 292         GSList         *list;
 293         GSList         *item;
 294
 295         priv = GET_PRIV (chat);
 296
 297         /* Save the sent message in our repeat buffer */
 298         list = priv->sent_messages;
 299
 300         /* Remove any other occurances of this msg */
 301         while ((item = g_slist_find_custom (list, str, (GCompareFunc) strcmp)) != NULL) {
 302                 list = g_slist_remove_link (list, item);
 303                 g_free (item->data);
 304                 g_slist_free1 (item);
 305         }
 306
 307         /* Trim the list to the last 10 items */
 308         while (g_slist_length (list) > 10) {
 309                 item = g_slist_last (list);
 310                 if (item) {
 311                         list = g_slist_remove_link (list, item);
 312                         g_free (item->data);
 313                         g_slist_free1 (item);
 314                 }
 315         }
 316
 317         /* Add new message */
 318         list = g_slist_prepend (list, g_strdup (str));
 319
 320         /* Set list and reset the index */
 321         priv->sent_messages = list;
 322         priv->sent_messages_index = -1;
 323 }
 324
 325 static const gchar *
 326 chat_sent_message_get_next (EmpathyChat *chat)
 327 {
 328         EmpathyChatPriv *priv;
 329         gint            max;
 330
 331         priv = GET_PRIV (chat);
 332
 333         if (!priv->sent_messages) {
 334                 DEBUG ("No sent messages, next message is NULL");
 335                 return NULL;
 336         }
 337
 338         max = g_slist_length (priv->sent_messages) - 1;
 339
 340         if (priv->sent_messages_index < max) {
 341                 priv->sent_messages_index++;
 342         }
 343
 344         DEBUG ("Returning next message index:%d", priv->sent_messages_index);
 345
 346         return g_slist_nth_data (priv->sent_messages, priv->sent_messages_index);
 347 }
 348
 349 static const gchar *
 350 chat_sent_message_get_last (EmpathyChat *chat)
 351 {
 352         EmpathyChatPriv *priv;
 353
 354         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
 355
 356         priv = GET_PRIV (chat);
 357
 358         if (!priv->sent_messages) {
 359                 DEBUG ("No sent messages, last message is NULL");
 360                 return NULL;
 361         }
 362
 363         if (priv->sent_messages_index >= 0) {
 364                 priv->sent_messages_index--;
 365         }
 366
 367         DEBUG ("Returning last message index:%d", priv->sent_messages_index);
 368
 369         return g_slist_nth_data (priv->sent_messages, priv->sent_messages_index);
 370 }
 371
 372 static void
 373 chat_send (EmpathyChat  *chat,
 374            const gchar *msg)
 375 {
 376         EmpathyChatPriv *priv;
 377         EmpathyMessage  *message;
 378
 379         if (EMP_STR_EMPTY (msg)) {
 380                 return;
 381         }
 382
 383         priv = GET_PRIV (chat);
 384
 385         chat_sent_message_add (chat, msg);
 386
 387         if (g_str_has_prefix (msg, "/clear")) {
 388                 empathy_chat_view_clear (chat->view);
 389                 return;
 390         }
 391
 392         /* Blacklist messages begining by '/', except for "/me" and "/say"
 393          * because they are handled in EmpathyMessage */
 394         if (msg[0] == '/' &&
 395             !g_str_has_prefix (msg, "/me") &&
 396             !g_str_has_prefix (msg, "/say")) {
 397                 empathy_chat_view_append_event (chat->view,
 398                         _("Unsupported command"));
 399                 return;
 400         }
 401
 402         /* We can send the message */
 403         message = empathy_message_new (msg);
 404         empathy_tp_chat_send (priv->tp_chat, message);
 405         g_object_unref (message);
 406 }
 407
 408 static void
 409 chat_input_text_view_send (EmpathyChat *chat)
 410 {
 411         EmpathyChatPriv *priv;
 412         GtkTextBuffer  *buffer;
 413         GtkTextIter     start, end;
 414         gchar          *msg;
 415
 416         priv = GET_PRIV (chat);
 417
 418         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
 419
 420         gtk_text_buffer_get_bounds (buffer, &start, &end);
 421         msg = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
 422
 423         /* clear the input field */
 424         gtk_text_buffer_set_text (buffer, "", -1);
 425
 426         chat_send (chat, msg);
 427         g_free (msg);
 428 }
 429
 430 static void
 431 chat_state_changed_cb (EmpathyTpChat      *tp_chat,
 432                        EmpathyContact     *contact,
 433                        TpChannelChatState  state,
 434                        EmpathyChat        *chat)
 435 {
 436         EmpathyChatPriv *priv;
 437         GList          *l;
 438         gboolean        was_composing;
 439
 440         priv = GET_PRIV (chat);
 441
 442         if (empathy_contact_is_user (contact)) {
 443                 /* We don't care about our own chat state */
 444                 return;
 445         }
 446
 447         was_composing = (priv->compositors != NULL);
 448
 449         /* Find the contact in the list. After that l is the list elem or NULL */
 450         for (l = priv->compositors; l; l = l->next) {
 451                 if (contact == l->data) {
 452                         break;
 453                 }
 454         }
 455
 456         switch (state) {
 457         case TP_CHANNEL_CHAT_STATE_GONE:
 458         case TP_CHANNEL_CHAT_STATE_INACTIVE:
 459         case TP_CHANNEL_CHAT_STATE_PAUSED:
 460         case TP_CHANNEL_CHAT_STATE_ACTIVE:
 461                 /* Contact is not composing */
 462                 if (l) {
 463                         priv->compositors = g_list_remove_link (priv->compositors, l);
 464                         g_object_unref (l->data);
 465                         g_list_free1 (l);
 466                 }
 467                 break;
 468         case TP_CHANNEL_CHAT_STATE_COMPOSING:
 469                 /* Contact is composing */
 470                 if (!l) {
 471                         priv->compositors = g_list_prepend (priv->compositors,
 472                                                             g_object_ref (contact));
 473                 }
 474                 break;
 475         default:
 476                 g_assert_not_reached ();
 477         }
 478
 479         DEBUG ("Was composing: %s now composing: %s",
 480                 was_composing ? "yes" : "no",
 481                 priv->compositors ? "yes" : "no");
 482
 483         if ((was_composing && !priv->compositors) ||
 484             (!was_composing && priv->compositors)) {
 485                 /* Composing state changed */
 486                 g_signal_emit (chat, signals[COMPOSING], 0,
 487                                priv->compositors != NULL);
 488         }
 489 }
 490
 491 static void
 492 chat_message_received (EmpathyChat *chat, EmpathyMessage *message)
 493 {
 494         EmpathyChatPriv *priv = GET_PRIV (chat);
 495         EmpathyContact  *sender;
 496
 497         sender = empathy_message_get_sender (message);
 498
 499         DEBUG ("Appending new message from %s (%d)",
 500                 empathy_contact_get_name (sender),
 501                 empathy_contact_get_handle (sender));
 502
 503         empathy_chat_view_append_message (chat->view, message);
 504
 505         /* We received a message so the contact is no longer composing */
 506         chat_state_changed_cb (priv->tp_chat, sender,
 507                                TP_CHANNEL_CHAT_STATE_ACTIVE,
 508                                chat);
 509
 510         g_signal_emit (chat, signals[NEW_MESSAGE], 0, message);
 511 }
 512
 513 static void
 514 chat_message_received_cb (EmpathyTpChat  *tp_chat,
 515                           EmpathyMessage *message,
 516                           EmpathyChat    *chat)
 517 {
 518         chat_message_received (chat, message);
 519         empathy_tp_chat_acknowledge_message (tp_chat, message);
 520 }
 521
 522 static void
 523 chat_send_error_cb (EmpathyTpChat          *tp_chat,
 524                     EmpathyMessage         *message,
 525                     TpChannelTextSendError  error_code,
 526                     EmpathyChat            *chat)
 527 {
 528         const gchar *error;
 529         gchar       *str;
 530
 531         switch (error_code) {
 532         case TP_CHANNEL_TEXT_SEND_ERROR_OFFLINE:
 533                 error = _("offline");
 534                 break;
 535         case TP_CHANNEL_TEXT_SEND_ERROR_INVALID_CONTACT:
 536                 error = _("invalid contact");
 537                 break;
 538         case TP_CHANNEL_TEXT_SEND_ERROR_PERMISSION_DENIED:
 539                 error = _("permission denied");
 540                 break;
 541         case TP_CHANNEL_TEXT_SEND_ERROR_TOO_LONG:
 542                 error = _("too long message");
 543                 break;
 544         case TP_CHANNEL_TEXT_SEND_ERROR_NOT_IMPLEMENTED:
 545                 error = _("not implemented");
 546                 break;
 547         default:
 548                 error = _("unknown");
 549                 break;
 550         }
 551
 552         str = g_strdup_printf (_("Error sending message '%s': %s"),
 553                                empathy_message_get_body (message),
 554                                error);
 555         empathy_chat_view_append_event (chat->view, str);
 556         g_free (str);
 557 }
 558
 559 static void
 560 chat_property_changed_cb (EmpathyTpChat *tp_chat,
 561                           const gchar   *name,
 562                           GValue        *value,
 563                           EmpathyChat   *chat)
 564 {
 565         EmpathyChatPriv *priv = GET_PRIV (chat);
 566
 567         if (!tp_strdiff (name, "subject")) {
 568                 g_free (priv->subject);
 569                 priv->subject = g_value_dup_string (value);
 570                 g_object_notify (G_OBJECT (chat), "subject");
 571
 572                 if (EMP_STR_EMPTY (priv->subject)) {
 573                         gtk_widget_hide (priv->hbox_topic);
 574                 } else {
 575                         gtk_label_set_text (GTK_LABEL (priv->label_topic), priv->subject);
 576                         gtk_widget_show (priv->hbox_topic);
 577                 }
 578                 if (priv->block_events_timeout_id == 0) {
 579                         gchar *str;
 580
 581                         if (!EMP_STR_EMPTY (priv->subject)) {
 582                                 str = g_strdup_printf (_("Topic set to: %s"), priv->subject);
 583                         } else {
 584                                 str = g_strdup (_("No topic defined"));
 585                         }
 586                         empathy_chat_view_append_event (EMPATHY_CHAT (chat)->view, str);
 587                         g_free (str);
 588                 }
 589         }
 590         else if (!tp_strdiff (name, "name")) {
 591                 g_free (priv->name);
 592                 priv->name = g_value_dup_string (value);
 593                 g_object_notify (G_OBJECT (chat), "name");
 594         }
 595 }
 596
 597 static void
 598 chat_input_text_buffer_changed_cb (GtkTextBuffer *buffer,
 599                                    EmpathyChat    *chat)
 600 {
 601         EmpathyChatPriv *priv;
 602         GtkTextIter     start, end;
 603         gchar          *str;
 604         gboolean        spell_checker = FALSE;
 605
 606         priv = GET_PRIV (chat);
 607
 608         if (gtk_text_buffer_get_char_count (buffer) == 0) {
 609                 chat_composing_stop (chat);
 610         } else {
 611                 chat_composing_start (chat);
 612         }
 613
 614         empathy_conf_get_bool (empathy_conf_get (),
 615                               EMPATHY_PREFS_CHAT_SPELL_CHECKER_ENABLED,
 616                               &spell_checker);
 617
 618         gtk_text_buffer_get_start_iter (buffer, &start);
 619
 620         if (!spell_checker) {
 621                 gtk_text_buffer_get_end_iter (buffer, &end);
 622                 gtk_text_buffer_remove_tag_by_name (buffer, "misspelled", &start, &end);
 623                 return;
 624         }
 625
 626         if (!empathy_spell_supported ()) {
 627                 return;
 628         }
 629
 630         /* NOTE: this is really inefficient, we shouldn't have to
 631            reiterate the whole buffer each time and check each work
 632            every time. */
 633         while (TRUE) {
 634                 gboolean correct = FALSE;
 635
 636                 /* if at start */
 637                 if (gtk_text_iter_is_start (&start)) {
 638                         end = start;
 639
 640                         if (!gtk_text_iter_forward_word_end (&end)) {
 641                                 /* no whole word yet */
 642                                 break;
 643                         }
 644                 } else {
 645                         if (!gtk_text_iter_forward_word_end (&end)) {
 646                                 /* must be the end of the buffer */
 647                                 break;
 648                         }
 649
 650                         start = end;
 651                         gtk_text_iter_backward_word_start (&start);
 652                 }
 653
 654                 str = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
 655
 656                 /* spell check string if not a command */
 657                 if (str[0] != '/') {
 658                         correct = empathy_spell_check (str);
 659                 } else {
 660                         correct = TRUE;
 661                 }
 662
 663                 if (!correct) {
 664                         gtk_text_buffer_apply_tag_by_name (buffer, "misspelled", &start, &end);
 665                 } else {
 666                         gtk_text_buffer_remove_tag_by_name (buffer, "misspelled", &start, &end);
 667                 }
 668
 669                 g_free (str);
 670
 671                 /* set start iter to the end iters position */
 672                 start = end;
 673         }
 674 }
 675
 676 static gboolean
 677 chat_input_key_press_event_cb (GtkWidget   *widget,
 678                                GdkEventKey *event,
 679                                EmpathyChat *chat)
 680 {
 681         EmpathyChatPriv *priv;
 682         GtkAdjustment  *adj;
 683         gdouble         val;
 684         GtkWidget      *text_view_sw;
 685
 686         priv = GET_PRIV (chat);
 687
 688         /* Catch ctrl+up/down so we can traverse messages we sent */
 689         if ((event->state & GDK_CONTROL_MASK) &&
 690             (event->keyval == GDK_Up ||
 691              event->keyval == GDK_Down)) {
 692                 GtkTextBuffer *buffer;
 693                 const gchar   *str;
 694
 695                 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
 696
 697                 if (event->keyval == GDK_Up) {
 698                         str = chat_sent_message_get_next (chat);
 699                 } else {
 700                         str = chat_sent_message_get_last (chat);
 701                 }
 702
 703                 g_signal_handlers_block_by_func (buffer,
 704                                                  chat_input_text_buffer_changed_cb,
 705                                                  chat);
 706                 gtk_text_buffer_set_text (buffer, str ? str : "", -1);
 707                 g_signal_handlers_unblock_by_func (buffer,
 708                                                    chat_input_text_buffer_changed_cb,
 709                                                    chat);
 710
 711                 return TRUE;
 712         }
 713
 714         /* Catch enter but not ctrl/shift-enter */
 715         if (IS_ENTER (event->keyval) &&
 716             !(event->state & (GDK_SHIFT_MASK | GDK_CONTROL_MASK))) {
 717                 GtkTextView *view;
 718
 719                 /* This is to make sure that kinput2 gets the enter. And if
 720                  * it's handled there we shouldn't send on it. This is because
 721                  * kinput2 uses Enter to commit letters. See:
 722                  * http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=104299
 723                  */
 724
 725                 view = GTK_TEXT_VIEW (chat->input_text_view);
 726                 if (gtk_im_context_filter_keypress (view->im_context, event)) {
 727                         GTK_TEXT_VIEW (chat->input_text_view)->need_im_reset = TRUE;
 728                         return TRUE;
 729                 }
 730
 731                 chat_input_text_view_send (chat);
 732                 return TRUE;
 733         }
 734
 735         text_view_sw = gtk_widget_get_parent (GTK_WIDGET (chat->view));
 736
 737         if (IS_ENTER (event->keyval) &&
 738             (event->state & (GDK_SHIFT_MASK | GDK_CONTROL_MASK))) {
 739                 /* Newline for shift/control-enter. */
 740                 return FALSE;
 741         }
 742         if (!(event->state & GDK_CONTROL_MASK) &&
 743             event->keyval == GDK_Page_Up) {
 744                 adj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (text_view_sw));
 745                 gtk_adjustment_set_value (adj, adj->value - adj->page_size);
 746                 return TRUE;
 747         }
 748         if ((event->state & GDK_CONTROL_MASK) != GDK_CONTROL_MASK &&
 749             event->keyval == GDK_Page_Down) {
 750                 adj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (text_view_sw));
 751                 val = MIN (adj->value + adj->page_size, adj->upper - adj->page_size);
 752                 gtk_adjustment_set_value (adj, val);
 753                 return TRUE;
 754         }
 755         if (!(event->state & (GDK_CONTROL_MASK | GDK_SHIFT_MASK)) &&
 756             event->keyval == GDK_Tab) {
 757                 GtkTextBuffer *buffer;
 758                 GtkTextIter    start, current;
 759                 gchar         *nick, *completed;
 760                 GList         *list, *completed_list;
 761                 gboolean       is_start_of_buffer;
 762
 763                 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (EMPATHY_CHAT (chat)->input_text_view));
 764                 gtk_text_buffer_get_iter_at_mark (buffer, &current, gtk_text_buffer_get_insert (buffer));
 765
 766                 /* Get the start of the nick to complete. */
 767                 gtk_text_buffer_get_iter_at_mark (buffer, &start, gtk_text_buffer_get_insert (buffer));
 768                 gtk_text_iter_backward_word_start (&start);
 769                 is_start_of_buffer = gtk_text_iter_is_start (&start);
 770
 771                 list = empathy_contact_list_get_members (EMPATHY_CONTACT_LIST (priv->tp_chat));
 772                 g_completion_add_items (priv->completion, list);
 773
 774                 nick = gtk_text_buffer_get_text (buffer, &start, &current, FALSE);
 775                 completed_list = g_completion_complete (priv->completion,
 776                                                         nick,
 777                                                         &completed);
 778
 779                 g_free (nick);
 780
 781                 if (completed) {
 782                         guint        len;
 783                         const gchar *text;
 784                         gchar       *complete_char = NULL;
 785
 786                         gtk_text_buffer_delete (buffer, &start, &current);
 787
 788                         len = g_list_length (completed_list);
 789
 790                         if (len == 1) {
 791                                 /* If we only have one hit, use that text
 792                                  * instead of the text in completed since the
 793                                  * completed text will use the typed string
 794                                  * which might be cased all wrong.
 795                                  * Fixes #120876
 796                                  * */
 797                                 text = empathy_contact_get_name (completed_list->data);
 798                         } else {
 799                                 text = completed;
 800                         }
 801
 802                         gtk_text_buffer_insert_at_cursor (buffer, text, strlen (text));
 803
 804                         if (len == 1 && is_start_of_buffer &&
 805                             empathy_conf_get_string (empathy_conf_get (),
 806                                                      EMPATHY_PREFS_CHAT_NICK_COMPLETION_CHAR,
 807                                                      &complete_char) &&
 808                             complete_char != NULL) {
 809                                 gtk_text_buffer_insert_at_cursor (buffer,
 810                                                                   complete_char,
 811                                                                   strlen (complete_char));
 812                                 gtk_text_buffer_insert_at_cursor (buffer, " ", 1);
 813                                 g_free (complete_char);
 814                         }
 815
 816                         g_free (completed);
 817                 }
 818
 819                 g_completion_clear_items (priv->completion);
 820
 821                 g_list_foreach (list, (GFunc) g_object_unref, NULL);
 822                 g_list_free (list);
 823
 824                 return TRUE;
 825         }
 826
 827         return FALSE;
 828 }
 829
 830 static gboolean
 831 chat_text_view_focus_in_event_cb (GtkWidget  *widget,
 832                                   GdkEvent   *event,
 833                                   EmpathyChat *chat)
 834 {
 835         gtk_widget_grab_focus (chat->input_text_view);
 836
 837         return TRUE;
 838 }
 839
 840 static gboolean
 841 chat_input_set_size_request_idle (gpointer sw)
 842 {
 843         gtk_widget_set_size_request (sw, -1, MAX_INPUT_HEIGHT);
 844
 845         return FALSE;
 846 }
 847
 848 static void
 849 chat_input_size_request_cb (GtkWidget      *widget,
 850                             GtkRequisition *requisition,
 851                             EmpathyChat    *chat)
 852 {
 853         EmpathyChatPriv *priv = GET_PRIV (chat);
 854         GtkWidget       *sw;
 855
 856         sw = gtk_widget_get_parent (widget);
 857         if (requisition->height >= MAX_INPUT_HEIGHT && !priv->has_input_vscroll) {
 858                 g_idle_add (chat_input_set_size_request_idle, sw);
 859                 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
 860                                                 GTK_POLICY_NEVER,
 861                                                 GTK_POLICY_ALWAYS);
 862                 priv->has_input_vscroll = TRUE;
 863         }
 864
 865         if (requisition->height < MAX_INPUT_HEIGHT && priv->has_input_vscroll) {
 866                 gtk_widget_set_size_request (sw, -1, -1);
 867                 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
 868                                                 GTK_POLICY_NEVER,
 869                                                 GTK_POLICY_NEVER);
 870                 priv->has_input_vscroll = FALSE;
 871         }
 872 }
 873
 874 static void
 875 chat_input_realize_cb (GtkWidget   *widget,
 876                        EmpathyChat *chat)
 877 {
 878         DEBUG ("Setting focus to the input text view");
 879         gtk_widget_grab_focus (widget);
 880 }
 881
 882 static void
 883 chat_insert_smiley_activate_cb (EmpathySmileyManager *manager,
 884                                 EmpathySmiley        *smiley,
 885                                 gpointer              user_data)
 886 {
 887         EmpathyChat   *chat = EMPATHY_CHAT (user_data);
 888         GtkTextBuffer *buffer;
 889         GtkTextIter    iter;
 890
 891         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
 892
 893         gtk_text_buffer_get_end_iter (buffer, &iter);
 894         gtk_text_buffer_insert (buffer, &iter, smiley->str, -1);
 895
 896         gtk_text_buffer_get_end_iter (buffer, &iter);
 897         gtk_text_buffer_insert (buffer, &iter, " ", -1);
 898 }
 899
 900 typedef struct {
 901         EmpathyChat  *chat;
 902         gchar       *word;
 903
 904         GtkTextIter  start;
 905         GtkTextIter  end;
 906 } EmpathyChatSpell;
 907
 908 static EmpathyChatSpell *
 909 chat_spell_new (EmpathyChat  *chat,
 910                 const gchar *word,
 911                 GtkTextIter  start,
 912                 GtkTextIter  end)
 913 {
 914         EmpathyChatSpell *chat_spell;
 915
 916         chat_spell = g_slice_new0 (EmpathyChatSpell);
 917
 918         chat_spell->chat = g_object_ref (chat);
 919         chat_spell->word = g_strdup (word);
 920         chat_spell->start = start;
 921         chat_spell->end = end;
 922
 923         return chat_spell;
 924 }
 925
 926 static void
 927 chat_spell_free (EmpathyChatSpell *chat_spell)
 928 {
 929         g_object_unref (chat_spell->chat);
 930         g_free (chat_spell->word);
 931         g_slice_free (EmpathyChatSpell, chat_spell);
 932 }
 933
 934 static void
 935 chat_text_check_word_spelling_cb (GtkMenuItem     *menuitem,
 936                                   EmpathyChatSpell *chat_spell)
 937 {
 938         empathy_spell_dialog_show (chat_spell->chat,
 939                                   &chat_spell->start,
 940                                   &chat_spell->end,
 941                                   chat_spell->word);
 942 }
 943
 944 static void
 945 chat_text_send_cb (GtkMenuItem *menuitem,
 946                    EmpathyChat *chat)
 947 {
 948         chat_input_text_view_send (chat);
 949 }
 950
 951 static void
 952 chat_input_populate_popup_cb (GtkTextView *view,
 953                               GtkMenu     *menu,
 954                               EmpathyChat *chat)
 955 {
 956         EmpathyChatPriv      *priv;
 957         GtkTextBuffer        *buffer;
 958         GtkTextTagTable      *table;
 959         GtkTextTag           *tag;
 960         gint                  x, y;
 961         GtkTextIter           iter, start, end;
 962         GtkWidget            *item;
 963         gchar                *str = NULL;
 964         EmpathyChatSpell      *chat_spell;
 965         EmpathySmileyManager *smiley_manager;
 966         GtkWidget            *smiley_menu;
 967         GtkWidget            *image;
 968
 969         priv = GET_PRIV (chat);
 970         buffer = gtk_text_view_get_buffer (view);
 971
 972         /* Add the emoticon menu. */
 973         item = gtk_separator_menu_item_new ();
 974         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 975         gtk_widget_show (item);
 976
 977         item = gtk_image_menu_item_new_with_mnemonic (_("Insert Smiley"));
 978         image = gtk_image_new_from_icon_name ("face-smile",
 979                                               GTK_ICON_SIZE_MENU);
 980         gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item), image);
 981         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 982         gtk_widget_show (item);
 983
 984         smiley_manager = empathy_smiley_manager_dup_singleton ();
 985         smiley_menu = empathy_smiley_menu_new (smiley_manager,
 986                                                chat_insert_smiley_activate_cb,
 987                                                chat);
 988         gtk_menu_item_set_submenu (GTK_MENU_ITEM (item), smiley_menu);
 989         g_object_unref (smiley_manager);
 990
 991         /* Add the Send menu item. */
 992         gtk_text_buffer_get_bounds (buffer, &start, &end);
 993         str = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
 994         if (!EMP_STR_EMPTY (str)) {
 995                 item = gtk_menu_item_new_with_mnemonic (_("_Send"));
 996                 g_signal_connect (G_OBJECT (item), "activate",
 997                                   G_CALLBACK (chat_text_send_cb), chat);
 998                 gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 999                 gtk_widget_show (item);
1000         }
1001         str = NULL;
1002
1003         /* Add the spell check menu item. */
1004         table = gtk_text_buffer_get_tag_table (buffer);
1005         tag = gtk_text_tag_table_lookup (table, "misspelled");
1006         gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
1007         gtk_text_view_window_to_buffer_coords (GTK_TEXT_VIEW (view),
1008                                                GTK_TEXT_WINDOW_WIDGET,
1009                                                x, y,
1010                                                &x, &y);
1011         gtk_text_view_get_iter_at_location (GTK_TEXT_VIEW (view), &iter, x, y);
1012         start = end = iter;
1013         if (gtk_text_iter_backward_to_tag_toggle (&start, tag) &&
1014             gtk_text_iter_forward_to_tag_toggle (&end, tag)) {
1015
1016                 str = gtk_text_buffer_get_text (buffer,
1017                                                 &start, &end, FALSE);
1018         }
1019         if (!EMP_STR_EMPTY (str)) {
1020                 chat_spell = chat_spell_new (chat, str, start, end);
1021                 g_object_set_data_full (G_OBJECT (menu),
1022                                         "chat_spell", chat_spell,
1023                                         (GDestroyNotify) chat_spell_free);
1024
1025                 item = gtk_separator_menu_item_new ();
1026                 gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
1027                 gtk_widget_show (item);
1028
1029                 item = gtk_image_menu_item_new_with_mnemonic (_("_Check Word Spelling..."));
1030                 image = gtk_image_new_from_icon_name (GTK_STOCK_SPELL_CHECK,
1031                                                       GTK_ICON_SIZE_MENU);
1032                 gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item), image);
1033                 g_signal_connect (item,
1034                                   "activate",
1035                                   G_CALLBACK (chat_text_check_word_spelling_cb),
1036                                   chat_spell);
1037                 gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
1038                 gtk_widget_show (item);
1039         }
1040 }
1041
1042 static gboolean
1043 chat_log_filter (EmpathyMessage *message,
1044                  gpointer user_data)
1045 {
1046         EmpathyChat *chat = (EmpathyChat *) user_data;
1047         EmpathyChatPriv *priv = GET_PRIV (chat);
1048         const GList *pending;
1049
1050         pending = empathy_tp_chat_get_pending_messages (priv->tp_chat);
1051
1052         for (; pending; pending = g_list_next (pending)) {
1053                 if (empathy_message_equal (message, pending->data)) {
1054                         return FALSE;
1055                 }
1056         }
1057
1058         return TRUE;
1059 }
1060
1061 static void
1062 chat_add_logs (EmpathyChat *chat)
1063 {
1064         EmpathyChatPriv *priv = GET_PRIV (chat);
1065         gboolean         is_chatroom;
1066         GList           *messages, *l;
1067
1068         if (!priv->id) {
1069                 return;
1070         }
1071
1072         /* Turn off scrolling temporarily */
1073         empathy_chat_view_scroll (chat->view, FALSE);
1074
1075         /* Add messages from last conversation */
1076         is_chatroom = priv->handle_type == TP_HANDLE_TYPE_ROOM;
1077
1078         messages = empathy_log_manager_get_filtered_messages (priv->log_manager,
1079                                                               priv->account,
1080                                                               priv->id,
1081                                                               is_chatroom,
1082                                                               5,
1083                                                               chat_log_filter,
1084                                                               chat);
1085
1086         for (l = messages; l; l = g_list_next (l)) {
1087                 empathy_chat_view_append_message (chat->view, l->data);
1088                 g_object_unref (l->data);
1089         }
1090
1091         g_list_free (messages);
1092
1093         /* Turn back on scrolling */
1094         empathy_chat_view_scroll (chat->view, TRUE);
1095 }
1096
1097 static gint
1098 chat_contacts_completion_func (const gchar *s1,
1099                                const gchar *s2,
1100                                gsize        n)
1101 {
1102         gchar *tmp, *nick1, *nick2;
1103         gint   ret;
1104
1105         if (s1 == s2) {
1106                 return 0;
1107         }
1108         if (!s1 || !s2) {
1109                 return s1 ? -1 : +1;
1110         }
1111
1112         tmp = g_utf8_normalize (s1, -1, G_NORMALIZE_DEFAULT);
1113         nick1 = g_utf8_casefold (tmp, -1);
1114         g_free (tmp);
1115
1116         tmp = g_utf8_normalize (s2, -1, G_NORMALIZE_DEFAULT);
1117         nick2 = g_utf8_casefold (tmp, -1);
1118         g_free (tmp);
1119
1120         ret = strncmp (nick1, nick2, n);
1121
1122         g_free (nick1);
1123         g_free (nick2);
1124
1125         return ret;
1126 }
1127
1128 static void
1129 chat_members_changed_cb (EmpathyTpChat  *tp_chat,
1130                          EmpathyContact *contact,
1131                          EmpathyContact *actor,
1132                          guint           reason,
1133                          gchar          *message,
1134                          gboolean        is_member,
1135                          EmpathyChat    *chat)
1136 {
1137         EmpathyChatPriv *priv = GET_PRIV (chat);
1138
1139         if (priv->block_events_timeout_id == 0) {
1140                 gchar *str;
1141
1142                 if (is_member) {
1143                         str = g_strdup_printf (_("%s has joined the room"),
1144                                                empathy_contact_get_name (contact));
1145                 } else {
1146                         str = g_strdup_printf (_("%s has left the room"),
1147                                                empathy_contact_get_name (contact));
1148                 }
1149                 empathy_chat_view_append_event (chat->view, str);
1150                 g_free (str);
1151         }
1152 }
1153
1154 static gboolean
1155 chat_reset_size_request (gpointer widget)
1156 {
1157         gtk_widget_set_size_request (widget, -1, -1);
1158
1159         return FALSE;
1160 }
1161
1162 static void
1163 chat_set_show_contacts (EmpathyChat *chat, gboolean show)
1164 {
1165         EmpathyChatPriv *priv = GET_PRIV (chat);
1166
1167         if (!priv->scrolled_window_contacts) {
1168                 return;
1169         }
1170
1171         if (show) {
1172                 EmpathyContactListStore *store;
1173                 gint                     min_width;
1174
1175                 /* We are adding the contact list to the chat, we don't want the
1176                  * chat view to become too small. If the chat view is already
1177                  * smaller than 250 make sure that size won't change. If the
1178                  * chat view is bigger the contact list will take some space on
1179                  * it but we make sure the chat view don't become smaller than
1180                  * 250. Relax the size request once the resize is done */
1181                 min_width = MIN (priv->vbox_left->allocation.width, 250);
1182                 gtk_widget_set_size_request (priv->vbox_left, min_width, -1);
1183                 g_idle_add (chat_reset_size_request, priv->vbox_left);
1184
1185                 if (priv->contacts_width > 0) {
1186                         gtk_paned_set_position (GTK_PANED (priv->hpaned),
1187                                                 priv->contacts_width);
1188                 }
1189
1190                 store = empathy_contact_list_store_new (EMPATHY_CONTACT_LIST (priv->tp_chat));
1191                 priv->contact_list_view = GTK_WIDGET (empathy_contact_list_view_new (store,
1192                         EMPATHY_CONTACT_LIST_FEATURE_NONE,
1193                         EMPATHY_CONTACT_FEATURE_CHAT |
1194                         EMPATHY_CONTACT_FEATURE_CALL |
1195                         EMPATHY_CONTACT_FEATURE_LOG |
1196                         EMPATHY_CONTACT_FEATURE_INFO));
1197                 gtk_container_add (GTK_CONTAINER (priv->scrolled_window_contacts),
1198                                    priv->contact_list_view);
1199                 gtk_widget_show (priv->contact_list_view);
1200                 gtk_widget_show (priv->scrolled_window_contacts);
1201                 g_object_unref (store);
1202         } else {
1203                 priv->contacts_width = gtk_paned_get_position (GTK_PANED (priv->hpaned));
1204                 gtk_widget_hide (priv->scrolled_window_contacts);
1205                 if (priv->contact_list_view) {
1206                         gtk_widget_destroy (priv->contact_list_view);
1207                         priv->contact_list_view = NULL;
1208                 }
1209         }
1210 }
1211
1212 static void
1213 chat_remote_contact_changed_cb (EmpathyChat *chat)
1214 {
1215         EmpathyChatPriv *priv = GET_PRIV (chat);
1216
1217         if (priv->remote_contact) {
1218                 g_object_unref (priv->remote_contact);
1219                 priv->remote_contact = NULL;
1220         }
1221
1222         priv->remote_contact = empathy_tp_chat_get_remote_contact (priv->tp_chat);
1223         if (priv->remote_contact) {
1224                 g_object_ref (priv->remote_contact);
1225                 priv->handle_type = TP_HANDLE_TYPE_CONTACT;
1226                 g_free (priv->id);
1227                 priv->id = g_strdup (empathy_contact_get_id (priv->remote_contact));
1228         }
1229         else if (priv->tp_chat) {
1230                 TpChannel *channel;
1231
1232                 channel = empathy_tp_chat_get_channel (priv->tp_chat);
1233                 g_object_get (channel, "handle-type", &priv->handle_type, NULL);
1234                 g_free (priv->id);
1235                 priv->id = g_strdup (empathy_tp_chat_get_id (priv->tp_chat));
1236         }
1237
1238         chat_set_show_contacts (chat, priv->remote_contact == NULL);
1239
1240         g_object_notify (G_OBJECT (chat), "remote-contact");
1241         g_object_notify (G_OBJECT (chat), "id");
1242 }
1243
1244 static void
1245 chat_destroy_cb (EmpathyTpChat *tp_chat,
1246                  EmpathyChat   *chat)
1247 {
1248         EmpathyChatPriv *priv;
1249
1250         priv = GET_PRIV (chat);
1251
1252         if (!priv->tp_chat) {
1253                 return;
1254         }
1255
1256         chat_composing_remove_timeout (chat);
1257         g_object_unref (priv->tp_chat);
1258         priv->tp_chat = NULL;
1259         g_object_notify (G_OBJECT (chat), "tp-chat");
1260
1261         empathy_chat_view_append_event (chat->view, _("Disconnected"));
1262         gtk_widget_set_sensitive (chat->input_text_view, FALSE);
1263         chat_set_show_contacts (chat, FALSE);
1264 }
1265
1266 static void
1267 show_pending_messages (EmpathyChat *chat) {
1268         EmpathyChatPriv *priv = GET_PRIV (chat);
1269         const GList *messages, *l;
1270
1271         if (chat->view == NULL || priv->tp_chat == NULL)
1272                 return;
1273
1274         messages = empathy_tp_chat_get_pending_messages (priv->tp_chat);
1275
1276         for (l = messages; l != NULL ; l = g_list_next (l)) {
1277                 EmpathyMessage *message = EMPATHY_MESSAGE (l->data);
1278                 chat_message_received (chat, message);
1279         }
1280         empathy_tp_chat_acknowledge_messages (priv->tp_chat, messages);
1281 }
1282
1283 static void
1284 chat_create_ui (EmpathyChat *chat)
1285 {
1286         EmpathyChatPriv *priv = GET_PRIV (chat);
1287         GtkBuilder      *gui;
1288         GList           *list = NULL;
1289         gchar           *filename;
1290         GtkTextBuffer   *buffer;
1291
1292         filename = empathy_file_lookup ("empathy-chat.ui",
1293                                         "libempathy-gtk");
1294         gui = empathy_builder_get_file (filename,
1295                                         "chat_widget", &priv->widget,
1296                                         "hpaned", &priv->hpaned,
1297                                         "vbox_left", &priv->vbox_left,
1298                                         "scrolled_window_chat", &priv->scrolled_window_chat,
1299                                         "scrolled_window_input", &priv->scrolled_window_input,
1300                                         "hbox_topic", &priv->hbox_topic,
1301                                         "label_topic", &priv->label_topic,
1302                                         "scrolled_window_contacts", &priv->scrolled_window_contacts,
1303                                         NULL);
1304         g_free (filename);
1305
1306         /* Add message view. */
1307         chat->view = empathy_theme_manager_create_view (empathy_theme_manager_get ());
1308         g_signal_connect (chat->view, "focus_in_event",
1309                           G_CALLBACK (chat_text_view_focus_in_event_cb),
1310                           chat);
1311         gtk_container_add (GTK_CONTAINER (priv->scrolled_window_chat),
1312                            GTK_WIDGET (chat->view));
1313         gtk_widget_show (GTK_WIDGET (chat->view));
1314
1315         /* Add input GtkTextView */
1316         chat->input_text_view = g_object_new (GTK_TYPE_TEXT_VIEW,
1317                                               "pixels-above-lines", 2,
1318                                               "pixels-below-lines", 2,
1319                                               "pixels-inside-wrap", 1,
1320                                               "right-margin", 2,
1321                                               "left-margin", 2,
1322                                               "wrap-mode", GTK_WRAP_WORD_CHAR,
1323                                               NULL);
1324         g_signal_connect (chat->input_text_view, "key-press-event",
1325                           G_CALLBACK (chat_input_key_press_event_cb),
1326                           chat);
1327         g_signal_connect (chat->input_text_view, "size-request",
1328                           G_CALLBACK (chat_input_size_request_cb),
1329                           chat);
1330         g_signal_connect (chat->input_text_view, "realize",
1331                           G_CALLBACK (chat_input_realize_cb),
1332                           chat);
1333         g_signal_connect (chat->input_text_view, "populate-popup",
1334                           G_CALLBACK (chat_input_populate_popup_cb),
1335                           chat);
1336         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1337         g_signal_connect (buffer, "changed",
1338                           G_CALLBACK (chat_input_text_buffer_changed_cb),
1339                           chat);
1340         gtk_text_buffer_create_tag (buffer, "misspelled",
1341                                     "underline", PANGO_UNDERLINE_ERROR,
1342                                     NULL);
1343         gtk_container_add (GTK_CONTAINER (priv->scrolled_window_input),
1344                            chat->input_text_view);
1345         gtk_widget_show (chat->input_text_view);
1346
1347         /* Create contact list */
1348         chat_set_show_contacts (chat, priv->remote_contact == NULL);
1349
1350         /* Initialy hide the topic, will be shown if not empty */
1351         gtk_widget_hide (priv->hbox_topic);
1352
1353         /* Set widget focus order */
1354         list = g_list_append (NULL, priv->scrolled_window_input);
1355         gtk_container_set_focus_chain (GTK_CONTAINER (priv->vbox_left), list);
1356         g_list_free (list);
1357
1358         list = g_list_append (NULL, priv->vbox_left);
1359         list = g_list_append (list, priv->scrolled_window_contacts);
1360         gtk_container_set_focus_chain (GTK_CONTAINER (priv->hpaned), list);
1361         g_list_free (list);
1362
1363         list = g_list_append (NULL, priv->hpaned);
1364         list = g_list_append (list, priv->hbox_topic);
1365         gtk_container_set_focus_chain (GTK_CONTAINER (priv->widget), list);
1366         g_list_free (list);
1367
1368         /* Add the main widget in the chat widget */
1369         gtk_container_add (GTK_CONTAINER (chat), priv->widget);
1370         g_object_unref (gui);
1371 }
1372
1373 static void
1374 chat_size_request (GtkWidget      *widget,
1375                    GtkRequisition *requisition)
1376 {
1377   GtkBin *bin = GTK_BIN (widget);
1378
1379   requisition->width = GTK_CONTAINER (widget)->border_width * 2;
1380   requisition->height = GTK_CONTAINER (widget)->border_width * 2;
1381
1382   if (bin->child && GTK_WIDGET_VISIBLE (bin->child))
1383     {
1384       GtkRequisition child_requisition;
1385
1386       gtk_widget_size_request (bin->child, &child_requisition);
1387
1388       requisition->width += child_requisition.width;
1389       requisition->height += child_requisition.height;
1390     }
1391 }
1392
1393 static void
1394 chat_size_allocate (GtkWidget     *widget,
1395                     GtkAllocation *allocation)
1396 {
1397   GtkBin *bin = GTK_BIN (widget);
1398   GtkAllocation child_allocation;
1399
1400   widget->allocation = *allocation;
1401
1402   if (bin->child && GTK_WIDGET_VISIBLE (bin->child))
1403     {
1404       child_allocation.x = allocation->x + GTK_CONTAINER (widget)->border_width;
1405       child_allocation.y = allocation->y + GTK_CONTAINER (widget)->border_width;
1406       child_allocation.width = MAX (allocation->width - GTK_CONTAINER (widget)->border_width * 2, 0);
1407       child_allocation.height = MAX (allocation->height - GTK_CONTAINER (widget)->border_width * 2, 0);
1408
1409       gtk_widget_size_allocate (bin->child, &child_allocation);
1410     }
1411 }
1412
1413 static void
1414 chat_finalize (GObject *object)
1415 {
1416         EmpathyChat     *chat;
1417         EmpathyChatPriv *priv;
1418
1419         chat = EMPATHY_CHAT (object);
1420         priv = GET_PRIV (chat);
1421
1422         DEBUG ("Finalized: %p", object);
1423
1424         g_slist_foreach (priv->sent_messages, (GFunc) g_free, NULL);
1425         g_slist_free (priv->sent_messages);
1426
1427         g_list_foreach (priv->compositors, (GFunc) g_object_unref, NULL);
1428         g_list_free (priv->compositors);
1429
1430         chat_composing_remove_timeout (chat);
1431
1432         g_signal_handlers_disconnect_by_func (priv->account_manager,
1433                                               chat_new_connection_cb, object);
1434
1435         g_object_unref (priv->account_manager);
1436         g_object_unref (priv->log_manager);
1437
1438         if (priv->tp_chat) {
1439                 g_signal_handler_disconnect (priv->tp_chat, priv->tp_chat_destroy_handler);
1440                 empathy_tp_chat_close (priv->tp_chat);
1441                 g_object_unref (priv->tp_chat);
1442         }
1443         if (priv->account) {
1444                 g_object_unref (priv->account);
1445         }
1446         if (priv->remote_contact) {
1447                 g_object_unref (priv->remote_contact);
1448         }
1449
1450         if (priv->block_events_timeout_id) {
1451                 g_source_remove (priv->block_events_timeout_id);
1452         }
1453
1454         g_free (priv->id);
1455         g_free (priv->name);
1456         g_free (priv->subject);
1457         g_completion_free (priv->completion);
1458
1459         G_OBJECT_CLASS (empathy_chat_parent_class)->finalize (object);
1460 }
1461
1462 static void
1463 chat_constructed (GObject *object)
1464 {
1465         EmpathyChat *chat = EMPATHY_CHAT (object);
1466
1467         chat_create_ui (chat);
1468         chat_add_logs (chat);
1469         show_pending_messages (chat);
1470 }
1471
1472 static void
1473 empathy_chat_class_init (EmpathyChatClass *klass)
1474 {
1475         GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
1476         GObjectClass   *object_class = G_OBJECT_CLASS (klass);
1477
1478         object_class->finalize = chat_finalize;
1479         object_class->get_property = chat_get_property;
1480         object_class->set_property = chat_set_property;
1481         object_class->constructed = chat_constructed;
1482
1483         widget_class->size_request = chat_size_request;
1484         widget_class->size_allocate = chat_size_allocate;
1485
1486         g_object_class_install_property (object_class,
1487                                          PROP_TP_CHAT,
1488                                          g_param_spec_object ("tp-chat",
1489                                                               "Empathy tp chat",
1490                                                               "The tp chat object",
1491                                                               EMPATHY_TYPE_TP_CHAT,
1492                                                               G_PARAM_CONSTRUCT |
1493                                                               G_PARAM_READWRITE));
1494         g_object_class_install_property (object_class,
1495                                          PROP_ACCOUNT,
1496                                          g_param_spec_object ("account",
1497                                                               "Account of the chat",
1498                                                               "The account of the chat",
1499                                                               MC_TYPE_ACCOUNT,
1500                                                               G_PARAM_READABLE));
1501         g_object_class_install_property (object_class,
1502                                          PROP_ID,
1503                                          g_param_spec_string ("id",
1504                                                               "Chat's id",
1505                                                               "The id of the chat",
1506                                                               NULL,
1507                                                               G_PARAM_READABLE));
1508         g_object_class_install_property (object_class,
1509                                          PROP_NAME,
1510                                          g_param_spec_string ("name",
1511                                                               "Chat's name",
1512                                                               "The name of the chat",
1513                                                               NULL,
1514                                                               G_PARAM_READABLE));
1515         g_object_class_install_property (object_class,
1516                                          PROP_SUBJECT,
1517                                          g_param_spec_string ("subject",
1518                                                               "Chat's subject",
1519                                                               "The subject or topic of the chat",
1520                                                               NULL,
1521                                                               G_PARAM_READABLE));
1522         g_object_class_install_property (object_class,
1523                                          PROP_REMOTE_CONTACT,
1524                                          g_param_spec_object ("remote-contact",
1525                                                               "The remote contact",
1526                                                               "The remote contact is any",
1527                                                               EMPATHY_TYPE_CONTACT,
1528                                                               G_PARAM_READABLE));
1529
1530         signals[COMPOSING] =
1531                 g_signal_new ("composing",
1532                               G_OBJECT_CLASS_TYPE (object_class),
1533                               G_SIGNAL_RUN_LAST,
1534                               0,
1535                               NULL, NULL,
1536                               g_cclosure_marshal_VOID__BOOLEAN,
1537                               G_TYPE_NONE,
1538                               1, G_TYPE_BOOLEAN);
1539
1540         signals[NEW_MESSAGE] =
1541                 g_signal_new ("new-message",
1542                               G_OBJECT_CLASS_TYPE (object_class),
1543                               G_SIGNAL_RUN_LAST,
1544                               0,
1545                               NULL, NULL,
1546                               g_cclosure_marshal_VOID__OBJECT,
1547                               G_TYPE_NONE,
1548                               1, EMPATHY_TYPE_MESSAGE);
1549
1550         g_type_class_add_private (object_class, sizeof (EmpathyChatPriv));
1551 }
1552
1553 static gboolean
1554 chat_block_events_timeout_cb (gpointer data)
1555 {
1556         EmpathyChatPriv *priv = GET_PRIV (data);
1557
1558         priv->block_events_timeout_id = 0;
1559
1560         return FALSE;
1561 }
1562
1563 static void
1564 empathy_chat_init (EmpathyChat *chat)
1565 {
1566         EmpathyChatPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (chat,
1567                 EMPATHY_TYPE_CHAT, EmpathyChatPriv);
1568
1569         chat->priv = priv;
1570         priv->log_manager = empathy_log_manager_dup_singleton ();
1571         priv->contacts_width = -1;
1572         priv->sent_messages = NULL;
1573         priv->sent_messages_index = -1;
1574         priv->account_manager = empathy_account_manager_dup_singleton ();
1575
1576         g_signal_connect (priv->account_manager,
1577                           "new-connection",
1578                           G_CALLBACK (chat_new_connection_cb),
1579                           chat);
1580
1581         /* Block events for some time to avoid having "has come online" or
1582          * "joined" messages. */
1583         priv->block_events_timeout_id =
1584                 g_timeout_add_seconds (1, chat_block_events_timeout_cb, chat);
1585
1586         /* Add nick name completion */
1587         priv->completion = g_completion_new ((GCompletionFunc) empathy_contact_get_name);
1588         g_completion_set_compare (priv->completion, chat_contacts_completion_func);
1589 }
1590
1591 EmpathyChat *
1592 empathy_chat_new (EmpathyTpChat *tp_chat)
1593 {
1594         return g_object_new (EMPATHY_TYPE_CHAT, "tp-chat", tp_chat, NULL);
1595 }
1596
1597 EmpathyTpChat *
1598 empathy_chat_get_tp_chat (EmpathyChat *chat)
1599 {
1600         EmpathyChatPriv *priv = GET_PRIV (chat);
1601
1602         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
1603
1604         return priv->tp_chat;
1605 }
1606
1607 void
1608 empathy_chat_set_tp_chat (EmpathyChat   *chat,
1609                           EmpathyTpChat *tp_chat)
1610 {
1611         EmpathyChatPriv *priv = GET_PRIV (chat);
1612         TpConnection    *connection;
1613
1614         g_return_if_fail (EMPATHY_IS_CHAT (chat));
1615         g_return_if_fail (EMPATHY_IS_TP_CHAT (tp_chat));
1616         g_return_if_fail (empathy_tp_chat_is_ready (tp_chat));
1617
1618         if (priv->tp_chat) {
1619                 return;
1620         }
1621
1622         if (priv->account) {
1623                 g_object_unref (priv->account);
1624         }
1625
1626         priv->tp_chat = g_object_ref (tp_chat);
1627         connection = empathy_tp_chat_get_connection (priv->tp_chat);
1628         priv->account = empathy_account_manager_get_account (priv->account_manager,
1629                                                              connection);
1630         g_object_ref (priv->account);
1631
1632         g_signal_connect (tp_chat, "message-received",
1633                           G_CALLBACK (chat_message_received_cb),
1634                           chat);
1635         g_signal_connect (tp_chat, "send-error",
1636                           G_CALLBACK (chat_send_error_cb),
1637                           chat);
1638         g_signal_connect (tp_chat, "chat-state-changed",
1639                           G_CALLBACK (chat_state_changed_cb),
1640                           chat);
1641         g_signal_connect (tp_chat, "property-changed",
1642                           G_CALLBACK (chat_property_changed_cb),
1643                           chat);
1644         g_signal_connect (tp_chat, "members-changed",
1645                           G_CALLBACK (chat_members_changed_cb),
1646                           chat);
1647         g_signal_connect_swapped (tp_chat, "notify::remote-contact",
1648                                   G_CALLBACK (chat_remote_contact_changed_cb),
1649                                   chat);
1650         priv->tp_chat_destroy_handler =
1651                 g_signal_connect (tp_chat, "destroy",
1652                           G_CALLBACK (chat_destroy_cb),
1653                           chat);
1654
1655         chat_remote_contact_changed_cb (chat);
1656
1657         if (chat->input_text_view) {
1658                 gtk_widget_set_sensitive (chat->input_text_view, TRUE);
1659                 if (priv->block_events_timeout_id == 0) {
1660                         empathy_chat_view_append_event (chat->view, _("Connected"));
1661                 }
1662         }
1663
1664         g_object_notify (G_OBJECT (chat), "tp-chat");
1665         g_object_notify (G_OBJECT (chat), "id");
1666         g_object_notify (G_OBJECT (chat), "account");
1667
1668         /* This is a noop when tp-chat is set at object construction time and causes
1669          * the pending messages to be show when it's set on the object after it has
1670          * been created */
1671         show_pending_messages (chat);
1672 }
1673
1674 McAccount *
1675 empathy_chat_get_account (EmpathyChat *chat)
1676 {
1677         EmpathyChatPriv *priv = GET_PRIV (chat);
1678
1679         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
1680
1681         return priv->account;
1682 }
1683
1684 const gchar *
1685 empathy_chat_get_id (EmpathyChat *chat)
1686 {
1687         EmpathyChatPriv *priv = GET_PRIV (chat);
1688
1689         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
1690
1691         return priv->id;
1692 }
1693
1694 const gchar *
1695 empathy_chat_get_name (EmpathyChat *chat)
1696 {
1697         EmpathyChatPriv *priv = GET_PRIV (chat);
1698         const gchar *ret;
1699
1700         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
1701
1702         ret = priv->name;
1703         if (!ret && priv->remote_contact) {
1704                 ret = empathy_contact_get_name (priv->remote_contact);
1705         }
1706
1707         if (!ret)
1708                 ret = priv->id;
1709
1710         return ret ? ret : _("Conversation");
1711 }
1712
1713 const gchar *
1714 empathy_chat_get_subject (EmpathyChat *chat)
1715 {
1716         EmpathyChatPriv *priv = GET_PRIV (chat);
1717
1718         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
1719
1720         return priv->subject;
1721 }
1722
1723 EmpathyContact *
1724 empathy_chat_get_remote_contact (EmpathyChat *chat)
1725 {
1726         EmpathyChatPriv *priv = GET_PRIV (chat);
1727
1728         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
1729
1730         return priv->remote_contact;
1731 }
1732
1733 GtkWidget *
1734 empathy_chat_get_contact_menu (EmpathyChat *chat)
1735 {
1736         EmpathyChatPriv *priv = GET_PRIV (chat);
1737         GtkWidget       *menu = NULL;
1738
1739         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
1740
1741         if (priv->remote_contact) {
1742                 menu = empathy_contact_menu_new (priv->remote_contact,
1743                                                  EMPATHY_CONTACT_FEATURE_CALL |
1744                                                  EMPATHY_CONTACT_FEATURE_LOG |
1745                                                  EMPATHY_CONTACT_FEATURE_INFO);
1746         }
1747         else if (priv->contact_list_view) {
1748                 EmpathyContactListView *view;
1749
1750                 view = EMPATHY_CONTACT_LIST_VIEW (priv->contact_list_view);
1751                 menu = empathy_contact_list_view_get_contact_menu (view);
1752         }
1753
1754         return menu;
1755 }
1756
1757 void
1758 empathy_chat_clear (EmpathyChat *chat)
1759 {
1760         g_return_if_fail (EMPATHY_IS_CHAT (chat));
1761
1762         empathy_chat_view_clear (chat->view);
1763 }
1764
1765 void
1766 empathy_chat_scroll_down (EmpathyChat *chat)
1767 {
1768         g_return_if_fail (EMPATHY_IS_CHAT (chat));
1769
1770         empathy_chat_view_scroll_down (chat->view);
1771 }
1772
1773 void
1774 empathy_chat_cut (EmpathyChat *chat)
1775 {
1776         GtkTextBuffer *buffer;
1777
1778         g_return_if_fail (EMPATHY_IS_CHAT (chat));
1779
1780         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1781         if (gtk_text_buffer_get_has_selection (buffer)) {
1782                 GtkClipboard *clipboard;
1783
1784                 clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
1785
1786                 gtk_text_buffer_cut_clipboard (buffer, clipboard, TRUE);
1787         }
1788 }
1789
1790 void
1791 empathy_chat_copy (EmpathyChat *chat)
1792 {
1793         GtkTextBuffer *buffer;
1794
1795         g_return_if_fail (EMPATHY_IS_CHAT (chat));
1796
1797         if (empathy_chat_view_get_has_selection (chat->view)) {
1798                 empathy_chat_view_copy_clipboard (chat->view);
1799                 return;
1800         }
1801
1802         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1803         if (gtk_text_buffer_get_has_selection (buffer)) {
1804                 GtkClipboard *clipboard;
1805
1806                 clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
1807
1808                 gtk_text_buffer_copy_clipboard (buffer, clipboard);
1809         }
1810 }
1811
1812 void
1813 empathy_chat_paste (EmpathyChat *chat)
1814 {
1815         GtkTextBuffer *buffer;
1816         GtkClipboard  *clipboard;
1817
1818         g_return_if_fail (EMPATHY_IS_CHAT (chat));
1819
1820         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1821         clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
1822
1823         gtk_text_buffer_paste_clipboard (buffer, clipboard, NULL, TRUE);
1824 }
1825
1826 void
1827 empathy_chat_correct_word (EmpathyChat  *chat,
1828                           GtkTextIter *start,
1829                           GtkTextIter *end,
1830                           const gchar *new_word)
1831 {
1832         GtkTextBuffer *buffer;
1833
1834         g_return_if_fail (chat != NULL);
1835         g_return_if_fail (new_word != NULL);
1836
1837         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1838
1839         gtk_text_buffer_delete (buffer, start, end);
1840         gtk_text_buffer_insert (buffer, start,
1841                                 new_word,
1842                                 -1);
1843 }
1844
1845 gboolean
1846 empathy_chat_is_room (EmpathyChat *chat)
1847 {
1848         EmpathyChatPriv *priv = GET_PRIV (chat);
1849
1850         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), FALSE);
1851
1852         return (priv->handle_type == TP_HANDLE_TYPE_ROOM);
1853 }
1854