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-contact-list-store.h"
  49 #include "empathy-contact-list-view.h"
  50 #include "empathy-contact-menu.h"
  51 #include "empathy-theme-manager.h"
  52 #include "empathy-smiley-manager.h"
  53 #include "empathy-ui-utils.h"
  54
  55 #define DEBUG_FLAG EMPATHY_DEBUG_CHAT
  56 #include <libempathy/empathy-debug.h>
  57
  58 #define CHAT_DIR_CREATE_MODE  (S_IRUSR | S_IWUSR | S_IXUSR)
  59 #define CHAT_FILE_CREATE_MODE (S_IRUSR | S_IWUSR)
  60 #define IS_ENTER(v) (v == GDK_Return || v == GDK_ISO_Enter || v == GDK_KP_Enter)
  61 #define MAX_INPUT_HEIGHT 150
  62 #define COMPOSING_STOP_TIMEOUT 5
  63
  64 #define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyChat)
  65 typedef struct {
  66         EmpathyTpChat     *tp_chat;
  67         gulong            tp_chat_destroy_handler;
  68         McAccount         *account;
  69         gchar             *id;
  70         gchar             *name;
  71         gchar             *subject;
  72         EmpathyContact    *remote_contact;
  73
  74         EmpathyLogManager *log_manager;
  75         EmpathyAccountManager *account_manager;
  76         GSList            *sent_messages;
  77         gint               sent_messages_index;
  78         GList             *compositors;
  79         GCompletion       *completion;
  80         guint              composing_stop_timeout_id;
  81         guint              block_events_timeout_id;
  82         TpHandleType       handle_type;
  83         gint               contacts_width;
  84         gboolean           has_input_vscroll;
  85
  86         GtkWidget         *widget;
  87         GtkWidget         *hpaned;
  88         GtkWidget         *vbox_left;
  89         GtkWidget         *scrolled_window_chat;
  90         GtkWidget         *scrolled_window_input;
  91         GtkWidget         *scrolled_window_contacts;
  92         GtkWidget         *hbox_topic;
  93         GtkWidget         *label_topic;
  94         GtkWidget         *contact_list_view;
  95 } EmpathyChatPriv;
  96
  97 enum {
  98         COMPOSING,
  99         NEW_MESSAGE,
 100         LAST_SIGNAL
 101 };
 102
 103 enum {
 104         PROP_0,
 105         PROP_TP_CHAT,
 106         PROP_ACCOUNT,
 107         PROP_ID,
 108         PROP_NAME,
 109         PROP_SUBJECT,
 110         PROP_REMOTE_CONTACT,
 111 };
 112
 113 static guint signals[LAST_SIGNAL] = { 0 };
 114
 115 G_DEFINE_TYPE (EmpathyChat, empathy_chat, GTK_TYPE_BIN);
 116
 117 static void
 118 chat_get_property (GObject    *object,
 119                    guint       param_id,
 120                    GValue     *value,
 121                    GParamSpec *pspec)
 122 {
 123         EmpathyChat *chat = EMPATHY_CHAT (object);
 124         EmpathyChatPriv *priv = GET_PRIV (object);
 125
 126         switch (param_id) {
 127         case PROP_TP_CHAT:
 128                 g_value_set_object (value, priv->tp_chat);
 129                 break;
 130         case PROP_ACCOUNT:
 131                 g_value_set_object (value, priv->account);
 132                 break;
 133         case PROP_NAME:
 134                 g_value_set_string (value, empathy_chat_get_name (chat));
 135                 break;
 136         case PROP_ID:
 137                 g_value_set_string (value, priv->id);
 138                 break;
 139         case PROP_SUBJECT:
 140                 g_value_set_string (value, priv->subject);
 141                 break;
 142         case PROP_REMOTE_CONTACT:
 143                 g_value_set_object (value, priv->remote_contact);
 144                 break;
 145         default:
 146                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 147                 break;
 148         };
 149 }
 150
 151 static void
 152 chat_set_property (GObject      *object,
 153                    guint         param_id,
 154                    const GValue *value,
 155                    GParamSpec   *pspec)
 156 {
 157         EmpathyChat *chat = EMPATHY_CHAT (object);
 158
 159         switch (param_id) {
 160         case PROP_TP_CHAT:
 161                 empathy_chat_set_tp_chat (chat, EMPATHY_TP_CHAT (g_value_get_object (value)));
 162                 break;
 163         default:
 164                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 165                 break;
 166         };
 167 }
 168
 169 static void
 170 chat_connect_channel_reconnected (EmpathyDispatchOperation *dispatch,
 171                                   const GError             *error,
 172                                   gpointer                  user_data)
 173 {
 174         EmpathyChat *chat = EMPATHY_CHAT (user_data);
 175         EmpathyTpChat *tpchat;
 176
 177         if (error != NULL) {
 178                 empathy_chat_view_append_event (chat->view,
 179                         _("Failed to reconnect this chat"));
 180                 return;
 181         }
 182
 183         tpchat = EMPATHY_TP_CHAT (
 184                 empathy_dispatch_operation_get_channel_wrapper (dispatch));
 185
 186         if (empathy_dispatch_operation_claim (dispatch)) {
 187                 empathy_chat_set_tp_chat (chat, tpchat);
 188         }
 189 }
 190
 191 static void
 192 chat_connection_changed_cb (EmpathyAccountManager *manager,
 193                             McAccount *account,
 194                             TpConnectionStatusReason reason,
 195                             TpConnectionStatus current,
 196                             TpConnectionStatus previous,
 197                             EmpathyChat *chat)
 198 {
 199         EmpathyChatPriv *priv = GET_PRIV (chat);
 200
 201         if (current == TP_CONNECTION_STATUS_CONNECTED && !priv->tp_chat &&
 202             empathy_account_equal (account, priv->account) &&
 203             priv->handle_type != TP_HANDLE_TYPE_NONE &&
 204             !EMP_STR_EMPTY (priv->id)) {
 205
 206                 DEBUG ("Account reconnected, request a new Text channel");
 207
 208                 switch (priv->handle_type) {
 209                         case TP_HANDLE_TYPE_CONTACT:
 210                                 empathy_dispatcher_chat_with_contact_id (account, priv->id,
 211                                         chat_connect_channel_reconnected,
 212                                         chat);
 213                                 break;
 214                         case TP_HANDLE_TYPE_ROOM:
 215                                 empathy_dispatcher_join_muc (account, priv->id,
 216                                         chat_connect_channel_reconnected,
 217                                         chat);
 218                                 break;
 219                         default:
 220                                 g_assert_not_reached ();
 221                                 break;
 222                 }
 223         }
 224 }
 225
 226 static void
 227 chat_composing_remove_timeout (EmpathyChat *chat)
 228 {
 229         EmpathyChatPriv *priv;
 230
 231         priv = GET_PRIV (chat);
 232
 233         if (priv->composing_stop_timeout_id) {
 234                 g_source_remove (priv->composing_stop_timeout_id);
 235                 priv->composing_stop_timeout_id = 0;
 236         }
 237 }
 238
 239 static gboolean
 240 chat_composing_stop_timeout_cb (EmpathyChat *chat)
 241 {
 242         EmpathyChatPriv *priv;
 243
 244         priv = GET_PRIV (chat);
 245
 246         priv->composing_stop_timeout_id = 0;
 247         empathy_tp_chat_set_state (priv->tp_chat,
 248                                    TP_CHANNEL_CHAT_STATE_PAUSED);
 249
 250         return FALSE;
 251 }
 252
 253 static void
 254 chat_composing_start (EmpathyChat *chat)
 255 {
 256         EmpathyChatPriv *priv;
 257
 258         priv = GET_PRIV (chat);
 259
 260         if (priv->composing_stop_timeout_id) {
 261                 /* Just restart the timeout */
 262                 chat_composing_remove_timeout (chat);
 263         } else {
 264                 empathy_tp_chat_set_state (priv->tp_chat,
 265                                            TP_CHANNEL_CHAT_STATE_COMPOSING);
 266         }
 267
 268         priv->composing_stop_timeout_id = g_timeout_add_seconds (
 269                 COMPOSING_STOP_TIMEOUT,
 270                 (GSourceFunc) chat_composing_stop_timeout_cb,
 271                 chat);
 272 }
 273
 274 static void
 275 chat_composing_stop (EmpathyChat *chat)
 276 {
 277         EmpathyChatPriv *priv;
 278
 279         priv = GET_PRIV (chat);
 280
 281         chat_composing_remove_timeout (chat);
 282         empathy_tp_chat_set_state (priv->tp_chat,
 283                                    TP_CHANNEL_CHAT_STATE_ACTIVE);
 284 }
 285
 286 static void
 287 chat_sent_message_add (EmpathyChat  *chat,
 288                        const gchar *str)
 289 {
 290         EmpathyChatPriv *priv;
 291         GSList         *list;
 292         GSList         *item;
 293
 294         priv = GET_PRIV (chat);
 295
 296         /* Save the sent message in our repeat buffer */
 297         list = priv->sent_messages;
 298
 299         /* Remove any other occurances of this msg */
 300         while ((item = g_slist_find_custom (list, str, (GCompareFunc) strcmp)) != NULL) {
 301                 list = g_slist_remove_link (list, item);
 302                 g_free (item->data);
 303                 g_slist_free1 (item);
 304         }
 305
 306         /* Trim the list to the last 10 items */
 307         while (g_slist_length (list) > 10) {
 308                 item = g_slist_last (list);
 309                 if (item) {
 310                         list = g_slist_remove_link (list, item);
 311                         g_free (item->data);
 312                         g_slist_free1 (item);
 313                 }
 314         }
 315
 316         /* Add new message */
 317         list = g_slist_prepend (list, g_strdup (str));
 318
 319         /* Set list and reset the index */
 320         priv->sent_messages = list;
 321         priv->sent_messages_index = -1;
 322 }
 323
 324 static const gchar *
 325 chat_sent_message_get_next (EmpathyChat *chat)
 326 {
 327         EmpathyChatPriv *priv;
 328         gint            max;
 329
 330         priv = GET_PRIV (chat);
 331
 332         if (!priv->sent_messages) {
 333                 DEBUG ("No sent messages, next message is NULL");
 334                 return NULL;
 335         }
 336
 337         max = g_slist_length (priv->sent_messages) - 1;
 338
 339         if (priv->sent_messages_index < max) {
 340                 priv->sent_messages_index++;
 341         }
 342
 343         DEBUG ("Returning next message index:%d", priv->sent_messages_index);
 344
 345         return g_slist_nth_data (priv->sent_messages, priv->sent_messages_index);
 346 }
 347
 348 static const gchar *
 349 chat_sent_message_get_last (EmpathyChat *chat)
 350 {
 351         EmpathyChatPriv *priv;
 352
 353         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
 354
 355         priv = GET_PRIV (chat);
 356
 357         if (!priv->sent_messages) {
 358                 DEBUG ("No sent messages, last message is NULL");
 359                 return NULL;
 360         }
 361
 362         if (priv->sent_messages_index >= 0) {
 363                 priv->sent_messages_index--;
 364         }
 365
 366         DEBUG ("Returning last message index:%d", priv->sent_messages_index);
 367
 368         return g_slist_nth_data (priv->sent_messages, priv->sent_messages_index);
 369 }
 370
 371 static void
 372 chat_send (EmpathyChat  *chat,
 373            const gchar *msg)
 374 {
 375         EmpathyChatPriv *priv;
 376         EmpathyMessage  *message;
 377
 378         if (EMP_STR_EMPTY (msg)) {
 379                 return;
 380         }
 381
 382         priv = GET_PRIV (chat);
 383
 384         chat_sent_message_add (chat, msg);
 385
 386         if (g_str_has_prefix (msg, "/clear")) {
 387                 empathy_chat_view_clear (chat->view);
 388                 return;
 389         }
 390
 391         /* Blacklist messages begining by '/', except for "/me" and "/say"
 392          * because they are handled in EmpathyMessage */
 393         if (msg[0] == '/' &&
 394             !g_str_has_prefix (msg, "/me") &&
 395             !g_str_has_prefix (msg, "/say")) {
 396                 empathy_chat_view_append_event (chat->view,
 397                         _("Unsupported command"));
 398                 return;
 399         }
 400
 401         /* We can send the message */
 402         message = empathy_message_new (msg);
 403         empathy_tp_chat_send (priv->tp_chat, message);
 404         g_object_unref (message);
 405 }
 406
 407 static void
 408 chat_input_text_view_send (EmpathyChat *chat)
 409 {
 410         EmpathyChatPriv *priv;
 411         GtkTextBuffer  *buffer;
 412         GtkTextIter     start, end;
 413         gchar          *msg;
 414
 415         priv = GET_PRIV (chat);
 416
 417         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
 418
 419         gtk_text_buffer_get_bounds (buffer, &start, &end);
 420         msg = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
 421
 422         /* clear the input field */
 423         gtk_text_buffer_set_text (buffer, "", -1);
 424
 425         chat_send (chat, msg);
 426         g_free (msg);
 427 }
 428
 429 static void
 430 chat_state_changed_cb (EmpathyTpChat      *tp_chat,
 431                        EmpathyContact     *contact,
 432                        TpChannelChatState  state,
 433                        EmpathyChat        *chat)
 434 {
 435         EmpathyChatPriv *priv;
 436         GList          *l;
 437         gboolean        was_composing;
 438
 439         priv = GET_PRIV (chat);
 440
 441         if (empathy_contact_is_user (contact)) {
 442                 /* We don't care about our own chat state */
 443                 return;
 444         }
 445
 446         was_composing = (priv->compositors != NULL);
 447
 448         /* Find the contact in the list. After that l is the list elem or NULL */
 449         for (l = priv->compositors; l; l = l->next) {
 450                 if (contact == l->data) {
 451                         break;
 452                 }
 453         }
 454
 455         switch (state) {
 456         case TP_CHANNEL_CHAT_STATE_GONE:
 457         case TP_CHANNEL_CHAT_STATE_INACTIVE:
 458         case TP_CHANNEL_CHAT_STATE_PAUSED:
 459         case TP_CHANNEL_CHAT_STATE_ACTIVE:
 460                 /* Contact is not composing */
 461                 if (l) {
 462                         priv->compositors = g_list_remove_link (priv->compositors, l);
 463                         g_object_unref (l->data);
 464                         g_list_free1 (l);
 465                 }
 466                 break;
 467         case TP_CHANNEL_CHAT_STATE_COMPOSING:
 468                 /* Contact is composing */
 469                 if (!l) {
 470                         priv->compositors = g_list_prepend (priv->compositors,
 471                                                             g_object_ref (contact));
 472                 }
 473                 break;
 474         default:
 475                 g_assert_not_reached ();
 476         }
 477
 478         DEBUG ("Was composing: %s now composing: %s",
 479                 was_composing ? "yes" : "no",
 480                 priv->compositors ? "yes" : "no");
 481
 482         if ((was_composing && !priv->compositors) ||
 483             (!was_composing && priv->compositors)) {
 484                 /* Composing state changed */
 485                 g_signal_emit (chat, signals[COMPOSING], 0,
 486                                priv->compositors != NULL);
 487         }
 488 }
 489
 490 static void
 491 chat_message_received (EmpathyChat *chat, EmpathyMessage *message)
 492 {
 493         EmpathyChatPriv *priv = GET_PRIV (chat);
 494         EmpathyContact  *sender;
 495
 496         sender = empathy_message_get_sender (message);
 497
 498         DEBUG ("Appending new message from %s (%d)",
 499                 empathy_contact_get_name (sender),
 500                 empathy_contact_get_handle (sender));
 501
 502         empathy_chat_view_append_message (chat->view, message);
 503
 504         /* We received a message so the contact is no longer composing */
 505         chat_state_changed_cb (priv->tp_chat, sender,
 506                                TP_CHANNEL_CHAT_STATE_ACTIVE,
 507                                chat);
 508
 509         g_signal_emit (chat, signals[NEW_MESSAGE], 0, message);
 510 }
 511
 512 static void
 513 chat_message_received_cb (EmpathyTpChat  *tp_chat,
 514                           EmpathyMessage *message,
 515                           EmpathyChat    *chat)
 516 {
 517         chat_message_received (chat, message);
 518         empathy_tp_chat_acknowledge_message (tp_chat, message);
 519 }
 520
 521 static void
 522 chat_send_error_cb (EmpathyTpChat          *tp_chat,
 523                     EmpathyMessage         *message,
 524                     TpChannelTextSendError  error_code,
 525                     EmpathyChat            *chat)
 526 {
 527         const gchar *error;
 528         gchar       *str;
 529
 530         switch (error_code) {
 531         case TP_CHANNEL_TEXT_SEND_ERROR_OFFLINE:
 532                 error = _("offline");
 533                 break;
 534         case TP_CHANNEL_TEXT_SEND_ERROR_INVALID_CONTACT:
 535                 error = _("invalid contact");
 536                 break;
 537         case TP_CHANNEL_TEXT_SEND_ERROR_PERMISSION_DENIED:
 538                 error = _("permission denied");
 539                 break;
 540         case TP_CHANNEL_TEXT_SEND_ERROR_TOO_LONG:
 541                 error = _("too long message");
 542                 break;
 543         case TP_CHANNEL_TEXT_SEND_ERROR_NOT_IMPLEMENTED:
 544                 error = _("not implemented");
 545                 break;
 546         default:
 547                 error = _("unknown");
 548                 break;
 549         }
 550
 551         str = g_strdup_printf (_("Error sending message '%s': %s"),
 552                                empathy_message_get_body (message),
 553                                error);
 554         empathy_chat_view_append_event (chat->view, str);
 555         g_free (str);
 556 }
 557
 558 static void
 559 chat_property_changed_cb (EmpathyTpChat *tp_chat,
 560                           const gchar   *name,
 561                           GValue        *value,
 562                           EmpathyChat   *chat)
 563 {
 564         EmpathyChatPriv *priv = GET_PRIV (chat);
 565
 566         if (!tp_strdiff (name, "subject")) {
 567                 g_free (priv->subject);
 568                 priv->subject = g_value_dup_string (value);
 569                 g_object_notify (G_OBJECT (chat), "subject");
 570
 571                 if (EMP_STR_EMPTY (priv->subject)) {
 572                         gtk_widget_hide (priv->hbox_topic);
 573                 } else {
 574                         gtk_label_set_text (GTK_LABEL (priv->label_topic), priv->subject);
 575                         gtk_widget_show (priv->hbox_topic);
 576                 }
 577                 if (priv->block_events_timeout_id == 0) {
 578                         gchar *str;
 579
 580                         if (!EMP_STR_EMPTY (priv->subject)) {
 581                                 str = g_strdup_printf (_("Topic set to: %s"), priv->subject);
 582                         } else {
 583                                 str = g_strdup (_("No topic defined"));
 584                         }
 585                         empathy_chat_view_append_event (EMPATHY_CHAT (chat)->view, str);
 586                         g_free (str);
 587                 }
 588         }
 589         else if (!tp_strdiff (name, "name")) {
 590                 g_free (priv->name);
 591                 priv->name = g_value_dup_string (value);
 592                 g_object_notify (G_OBJECT (chat), "name");
 593         }
 594 }
 595
 596 static void
 597 chat_input_text_buffer_changed_cb (GtkTextBuffer *buffer,
 598                                    EmpathyChat    *chat)
 599 {
 600         EmpathyChatPriv *priv;
 601         GtkTextIter     start, end;
 602         gchar          *str;
 603         gboolean        spell_checker = FALSE;
 604
 605         priv = GET_PRIV (chat);
 606
 607         if (gtk_text_buffer_get_char_count (buffer) == 0) {
 608                 chat_composing_stop (chat);
 609         } else {
 610                 chat_composing_start (chat);
 611         }
 612
 613         empathy_conf_get_bool (empathy_conf_get (),
 614                               EMPATHY_PREFS_CHAT_SPELL_CHECKER_ENABLED,
 615                               &spell_checker);
 616
 617         gtk_text_buffer_get_start_iter (buffer, &start);
 618
 619         if (!spell_checker) {
 620                 gtk_text_buffer_get_end_iter (buffer, &end);
 621                 gtk_text_buffer_remove_tag_by_name (buffer, "misspelled", &start, &end);
 622                 return;
 623         }
 624
 625         if (!empathy_spell_supported ()) {
 626                 return;
 627         }
 628
 629         /* NOTE: this is really inefficient, we shouldn't have to
 630            reiterate the whole buffer each time and check each work
 631            every time. */
 632         while (TRUE) {
 633                 gboolean correct = FALSE;
 634
 635                 /* if at start */
 636                 if (gtk_text_iter_is_start (&start)) {
 637                         end = start;
 638
 639                         if (!gtk_text_iter_forward_word_end (&end)) {
 640                                 /* no whole word yet */
 641                                 break;
 642                         }
 643                 } else {
 644                         if (!gtk_text_iter_forward_word_end (&end)) {
 645                                 /* must be the end of the buffer */
 646                                 break;
 647                         }
 648
 649                         start = end;
 650                         gtk_text_iter_backward_word_start (&start);
 651                 }
 652
 653                 str = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
 654
 655                 /* spell check string if not a command */
 656                 if (str[0] != '/') {
 657                         correct = empathy_spell_check (str);
 658                 } else {
 659                         correct = TRUE;
 660                 }
 661
 662                 if (!correct) {
 663                         gtk_text_buffer_apply_tag_by_name (buffer, "misspelled", &start, &end);
 664                 } else {
 665                         gtk_text_buffer_remove_tag_by_name (buffer, "misspelled", &start, &end);
 666                 }
 667
 668                 g_free (str);
 669
 670                 /* set start iter to the end iters position */
 671                 start = end;
 672         }
 673 }
 674
 675 static gboolean
 676 chat_input_key_press_event_cb (GtkWidget   *widget,
 677                                GdkEventKey *event,
 678                                EmpathyChat *chat)
 679 {
 680         EmpathyChatPriv *priv;
 681         GtkAdjustment  *adj;
 682         gdouble         val;
 683         GtkWidget      *text_view_sw;
 684
 685         priv = GET_PRIV (chat);
 686
 687         /* Catch ctrl+up/down so we can traverse messages we sent */
 688         if ((event->state & GDK_CONTROL_MASK) &&
 689             (event->keyval == GDK_Up ||
 690              event->keyval == GDK_Down)) {
 691                 GtkTextBuffer *buffer;
 692                 const gchar   *str;
 693
 694                 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
 695
 696                 if (event->keyval == GDK_Up) {
 697                         str = chat_sent_message_get_next (chat);
 698                 } else {
 699                         str = chat_sent_message_get_last (chat);
 700                 }
 701
 702                 g_signal_handlers_block_by_func (buffer,
 703                                                  chat_input_text_buffer_changed_cb,
 704                                                  chat);
 705                 gtk_text_buffer_set_text (buffer, str ? str : "", -1);
 706                 g_signal_handlers_unblock_by_func (buffer,
 707                                                    chat_input_text_buffer_changed_cb,
 708                                                    chat);
 709
 710                 return TRUE;
 711         }
 712
 713         /* Catch enter but not ctrl/shift-enter */
 714         if (IS_ENTER (event->keyval) &&
 715             !(event->state & (GDK_SHIFT_MASK | GDK_CONTROL_MASK))) {
 716                 GtkTextView *view;
 717
 718                 /* This is to make sure that kinput2 gets the enter. And if
 719                  * it's handled there we shouldn't send on it. This is because
 720                  * kinput2 uses Enter to commit letters. See:
 721                  * http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=104299
 722                  */
 723
 724                 view = GTK_TEXT_VIEW (chat->input_text_view);
 725                 if (gtk_im_context_filter_keypress (view->im_context, event)) {
 726                         GTK_TEXT_VIEW (chat->input_text_view)->need_im_reset = TRUE;
 727                         return TRUE;
 728                 }
 729
 730                 chat_input_text_view_send (chat);
 731                 return TRUE;
 732         }
 733
 734         text_view_sw = gtk_widget_get_parent (GTK_WIDGET (chat->view));
 735
 736         if (IS_ENTER (event->keyval) &&
 737             (event->state & (GDK_SHIFT_MASK | GDK_CONTROL_MASK))) {
 738                 /* Newline for shift/control-enter. */
 739                 return FALSE;
 740         }
 741         if (!(event->state & GDK_CONTROL_MASK) &&
 742             event->keyval == GDK_Page_Up) {
 743                 adj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (text_view_sw));
 744                 gtk_adjustment_set_value (adj, adj->value - adj->page_size);
 745                 return TRUE;
 746         }
 747         if ((event->state & GDK_CONTROL_MASK) != GDK_CONTROL_MASK &&
 748             event->keyval == GDK_Page_Down) {
 749                 adj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (text_view_sw));
 750                 val = MIN (adj->value + adj->page_size, adj->upper - adj->page_size);
 751                 gtk_adjustment_set_value (adj, val);
 752                 return TRUE;
 753         }
 754         if (!(event->state & (GDK_CONTROL_MASK | GDK_SHIFT_MASK)) &&
 755             event->keyval == GDK_Tab) {
 756                 GtkTextBuffer *buffer;
 757                 GtkTextIter    start, current;
 758                 gchar         *nick, *completed;
 759                 GList         *list, *completed_list;
 760                 gboolean       is_start_of_buffer;
 761
 762                 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (EMPATHY_CHAT (chat)->input_text_view));
 763                 gtk_text_buffer_get_iter_at_mark (buffer, &current, gtk_text_buffer_get_insert (buffer));
 764
 765                 /* Get the start of the nick to complete. */
 766                 gtk_text_buffer_get_iter_at_mark (buffer, &start, gtk_text_buffer_get_insert (buffer));
 767                 gtk_text_iter_backward_word_start (&start);
 768                 is_start_of_buffer = gtk_text_iter_is_start (&start);
 769
 770                 list = empathy_contact_list_get_members (EMPATHY_CONTACT_LIST (priv->tp_chat));
 771                 g_completion_add_items (priv->completion, list);
 772
 773                 nick = gtk_text_buffer_get_text (buffer, &start, &current, FALSE);
 774                 completed_list = g_completion_complete (priv->completion,
 775                                                         nick,
 776                                                         &completed);
 777
 778                 g_free (nick);
 779
 780                 if (completed) {
 781                         guint        len;
 782                         const gchar *text;
 783                         gchar       *complete_char = NULL;
 784
 785                         gtk_text_buffer_delete (buffer, &start, &current);
 786
 787                         len = g_list_length (completed_list);
 788
 789                         if (len == 1) {
 790                                 /* If we only have one hit, use that text
 791                                  * instead of the text in completed since the
 792                                  * completed text will use the typed string
 793                                  * which might be cased all wrong.
 794                                  * Fixes #120876
 795                                  * */
 796                                 text = empathy_contact_get_name (completed_list->data);
 797                         } else {
 798                                 text = completed;
 799                         }
 800
 801                         gtk_text_buffer_insert_at_cursor (buffer, text, strlen (text));
 802
 803                         if (len == 1 && is_start_of_buffer &&
 804                             empathy_conf_get_string (empathy_conf_get (),
 805                                                      EMPATHY_PREFS_CHAT_NICK_COMPLETION_CHAR,
 806                                                      &complete_char) &&
 807                             complete_char != NULL) {
 808                                 gtk_text_buffer_insert_at_cursor (buffer,
 809                                                                   complete_char,
 810                                                                   strlen (complete_char));
 811                                 gtk_text_buffer_insert_at_cursor (buffer, " ", 1);
 812                                 g_free (complete_char);
 813                         }
 814
 815                         g_free (completed);
 816                 }
 817
 818                 g_completion_clear_items (priv->completion);
 819
 820                 g_list_foreach (list, (GFunc) g_object_unref, NULL);
 821                 g_list_free (list);
 822
 823                 return TRUE;
 824         }
 825
 826         return FALSE;
 827 }
 828
 829 static gboolean
 830 chat_text_view_focus_in_event_cb (GtkWidget  *widget,
 831                                   GdkEvent   *event,
 832                                   EmpathyChat *chat)
 833 {
 834         gtk_widget_grab_focus (chat->input_text_view);
 835
 836         return TRUE;
 837 }
 838
 839 static gboolean
 840 chat_input_set_size_request_idle (gpointer sw)
 841 {
 842         gtk_widget_set_size_request (sw, -1, MAX_INPUT_HEIGHT);
 843
 844         return FALSE;
 845 }
 846
 847 static void
 848 chat_input_size_request_cb (GtkWidget      *widget,
 849                             GtkRequisition *requisition,
 850                             EmpathyChat    *chat)
 851 {
 852         EmpathyChatPriv *priv = GET_PRIV (chat);
 853         GtkWidget       *sw;
 854
 855         sw = gtk_widget_get_parent (widget);
 856         if (requisition->height >= MAX_INPUT_HEIGHT && !priv->has_input_vscroll) {
 857                 g_idle_add (chat_input_set_size_request_idle, sw);
 858                 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
 859                                                 GTK_POLICY_NEVER,
 860                                                 GTK_POLICY_ALWAYS);
 861                 priv->has_input_vscroll = TRUE;
 862         }
 863
 864         if (requisition->height < MAX_INPUT_HEIGHT && priv->has_input_vscroll) {
 865                 gtk_widget_set_size_request (sw, -1, -1);
 866                 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
 867                                                 GTK_POLICY_NEVER,
 868                                                 GTK_POLICY_NEVER);
 869                 priv->has_input_vscroll = FALSE;
 870         }
 871 }
 872
 873 static void
 874 chat_input_realize_cb (GtkWidget   *widget,
 875                        EmpathyChat *chat)
 876 {
 877         DEBUG ("Setting focus to the input text view");
 878         gtk_widget_grab_focus (widget);
 879 }
 880
 881 static void
 882 chat_insert_smiley_activate_cb (EmpathySmileyManager *manager,
 883                                 EmpathySmiley        *smiley,
 884                                 gpointer              user_data)
 885 {
 886         EmpathyChat   *chat = EMPATHY_CHAT (user_data);
 887         GtkTextBuffer *buffer;
 888         GtkTextIter    iter;
 889
 890         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
 891
 892         gtk_text_buffer_get_end_iter (buffer, &iter);
 893         gtk_text_buffer_insert (buffer, &iter, smiley->str, -1);
 894
 895         gtk_text_buffer_get_end_iter (buffer, &iter);
 896         gtk_text_buffer_insert (buffer, &iter, " ", -1);
 897 }
 898
 899 typedef struct {
 900         EmpathyChat  *chat;
 901         gchar       *word;
 902
 903         GtkTextIter  start;
 904         GtkTextIter  end;
 905 } EmpathyChatSpell;
 906
 907 static EmpathyChatSpell *
 908 chat_spell_new (EmpathyChat  *chat,
 909                 const gchar *word,
 910                 GtkTextIter  start,
 911                 GtkTextIter  end)
 912 {
 913         EmpathyChatSpell *chat_spell;
 914
 915         chat_spell = g_slice_new0 (EmpathyChatSpell);
 916
 917         chat_spell->chat = g_object_ref (chat);
 918         chat_spell->word = g_strdup (word);
 919         chat_spell->start = start;
 920         chat_spell->end = end;
 921
 922         return chat_spell;
 923 }
 924
 925 static void
 926 chat_spell_free (EmpathyChatSpell *chat_spell)
 927 {
 928         g_object_unref (chat_spell->chat);
 929         g_free (chat_spell->word);
 930         g_slice_free (EmpathyChatSpell, chat_spell);
 931 }
 932
 933 static void
 934 chat_spelling_menu_activate_cb (GtkMenuItem     *menu_item,
 935                                                 EmpathyChatSpell *chat_spell)
 936 {
 937         empathy_chat_correct_word (chat_spell->chat,
 938                                                    &(chat_spell->start),
 939                                                    &(chat_spell->end),
 940                                                    gtk_menu_item_get_label(menu_item));
 941 }
 942
 943 static GtkWidget*
 944 chat_spelling_build_menu (EmpathyChatSpell *chat_spell)
 945 {
 946     GtkWidget *menu, *menu_item;
 947     GList     *suggestions, *l;
 948
 949     menu = gtk_menu_new();
 950     suggestions = empathy_spell_get_suggestions (chat_spell->word);
 951         for (l = suggestions; l; l=l->next) {
 952                 menu_item = gtk_menu_item_new_with_label (l->data);
 953                 g_signal_connect (G_OBJECT (menu_item),
 954                                   "activate",
 955                                           G_CALLBACK (chat_spelling_menu_activate_cb),
 956                                           chat_spell);
 957         gtk_menu_shell_append (GTK_MENU_SHELL (menu), menu_item);
 958         }
 959
 960     empathy_spell_free_suggestions (suggestions);
 961
 962     gtk_widget_show_all (menu);
 963
 964     return menu;
 965 }
 966
 967 static void
 968 chat_text_send_cb (GtkMenuItem *menuitem,
 969                    EmpathyChat *chat)
 970 {
 971         chat_input_text_view_send (chat);
 972 }
 973
 974 static void
 975 chat_input_populate_popup_cb (GtkTextView *view,
 976                               GtkMenu     *menu,
 977                               EmpathyChat *chat)
 978 {
 979         EmpathyChatPriv      *priv;
 980         GtkTextBuffer        *buffer;
 981         GtkTextTagTable      *table;
 982         GtkTextTag           *tag;
 983         gint                  x, y;
 984         GtkTextIter           iter, start, end;
 985         GtkWidget            *item;
 986         gchar                *str = NULL;
 987         EmpathyChatSpell     *chat_spell;
 988         GtkWidget            *spell_menu;
 989         EmpathySmileyManager *smiley_manager;
 990         GtkWidget            *smiley_menu;
 991         GtkWidget            *image;
 992
 993         priv = GET_PRIV (chat);
 994         buffer = gtk_text_view_get_buffer (view);
 995
 996         /* Add the emoticon menu. */
 997         item = gtk_separator_menu_item_new ();
 998         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 999         gtk_widget_show (item);
1000
1001         item = gtk_image_menu_item_new_with_mnemonic (_("Insert Smiley"));
1002         image = gtk_image_new_from_icon_name ("face-smile",
1003                                               GTK_ICON_SIZE_MENU);
1004         gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item), image);
1005         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
1006         gtk_widget_show (item);
1007
1008         smiley_manager = empathy_smiley_manager_dup_singleton ();
1009         smiley_menu = empathy_smiley_menu_new (smiley_manager,
1010                                                chat_insert_smiley_activate_cb,
1011                                                chat);
1012         gtk_menu_item_set_submenu (GTK_MENU_ITEM (item), smiley_menu);
1013         g_object_unref (smiley_manager);
1014
1015         /* Add the Send menu item. */
1016         gtk_text_buffer_get_bounds (buffer, &start, &end);
1017         str = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
1018         if (!EMP_STR_EMPTY (str)) {
1019                 item = gtk_menu_item_new_with_mnemonic (_("_Send"));
1020                 g_signal_connect (G_OBJECT (item), "activate",
1021                                   G_CALLBACK (chat_text_send_cb), chat);
1022                 gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
1023                 gtk_widget_show (item);
1024         }
1025         str = NULL;
1026
1027         /* Add the spell check menu item. */
1028         table = gtk_text_buffer_get_tag_table (buffer);
1029         tag = gtk_text_tag_table_lookup (table, "misspelled");
1030         gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
1031         gtk_text_view_window_to_buffer_coords (GTK_TEXT_VIEW (view),
1032                                                GTK_TEXT_WINDOW_WIDGET,
1033                                                x, y,
1034                                                &x, &y);
1035         gtk_text_view_get_iter_at_location (GTK_TEXT_VIEW (view), &iter, x, y);
1036         start = end = iter;
1037         if (gtk_text_iter_backward_to_tag_toggle (&start, tag) &&
1038             gtk_text_iter_forward_to_tag_toggle (&end, tag)) {
1039
1040                 str = gtk_text_buffer_get_text (buffer,
1041                                                 &start, &end, FALSE);
1042         }
1043         if (!EMP_STR_EMPTY (str)) {
1044                 chat_spell = chat_spell_new (chat, str, start, end);
1045                 g_object_set_data_full (G_OBJECT (menu),
1046                                         "chat_spell", chat_spell,
1047                                         (GDestroyNotify) chat_spell_free);
1048
1049                 item = gtk_separator_menu_item_new ();
1050                 gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
1051                 gtk_widget_show (item);
1052
1053                 item = gtk_image_menu_item_new_with_mnemonic (_("_Spelling Suggestions..."));
1054                 image = gtk_image_new_from_icon_name (GTK_STOCK_SPELL_CHECK,
1055                                                       GTK_ICON_SIZE_MENU);
1056                 gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item), image);
1057
1058                 spell_menu = chat_spelling_build_menu (chat_spell);
1059                 gtk_menu_item_set_submenu (GTK_MENU_ITEM (item), spell_menu);
1060
1061                 gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
1062                 gtk_widget_show (item);
1063         }
1064 }
1065
1066 static gboolean
1067 chat_log_filter (EmpathyMessage *message,
1068                  gpointer user_data)
1069 {
1070         EmpathyChat *chat = (EmpathyChat *) user_data;
1071         EmpathyChatPriv *priv = GET_PRIV (chat);
1072         const GList *pending;
1073
1074         pending = empathy_tp_chat_get_pending_messages (priv->tp_chat);
1075
1076         for (; pending; pending = g_list_next (pending)) {
1077                 if (empathy_message_equal (message, pending->data)) {
1078                         return FALSE;
1079                 }
1080         }
1081
1082         return TRUE;
1083 }
1084
1085 static void
1086 chat_add_logs (EmpathyChat *chat)
1087 {
1088         EmpathyChatPriv *priv = GET_PRIV (chat);
1089         gboolean         is_chatroom;
1090         GList           *messages, *l;
1091
1092         if (!priv->id) {
1093                 return;
1094         }
1095
1096         /* Turn off scrolling temporarily */
1097         empathy_chat_view_scroll (chat->view, FALSE);
1098
1099         /* Add messages from last conversation */
1100         is_chatroom = priv->handle_type == TP_HANDLE_TYPE_ROOM;
1101
1102         messages = empathy_log_manager_get_filtered_messages (priv->log_manager,
1103                                                               priv->account,
1104                                                               priv->id,
1105                                                               is_chatroom,
1106                                                               5,
1107                                                               chat_log_filter,
1108                                                               chat);
1109
1110         for (l = messages; l; l = g_list_next (l)) {
1111                 empathy_chat_view_append_message (chat->view, l->data);
1112                 g_object_unref (l->data);
1113         }
1114
1115         g_list_free (messages);
1116
1117         /* Turn back on scrolling */
1118         empathy_chat_view_scroll (chat->view, TRUE);
1119 }
1120
1121 static gint
1122 chat_contacts_completion_func (const gchar *s1,
1123                                const gchar *s2,
1124                                gsize        n)
1125 {
1126         gchar *tmp, *nick1, *nick2;
1127         gint   ret;
1128
1129         if (s1 == s2) {
1130                 return 0;
1131         }
1132         if (!s1 || !s2) {
1133                 return s1 ? -1 : +1;
1134         }
1135
1136         tmp = g_utf8_normalize (s1, -1, G_NORMALIZE_DEFAULT);
1137         nick1 = g_utf8_casefold (tmp, -1);
1138         g_free (tmp);
1139
1140         tmp = g_utf8_normalize (s2, -1, G_NORMALIZE_DEFAULT);
1141         nick2 = g_utf8_casefold (tmp, -1);
1142         g_free (tmp);
1143
1144         ret = strncmp (nick1, nick2, n);
1145
1146         g_free (nick1);
1147         g_free (nick2);
1148
1149         return ret;
1150 }
1151
1152 static void
1153 chat_members_changed_cb (EmpathyTpChat  *tp_chat,
1154                          EmpathyContact *contact,
1155                          EmpathyContact *actor,
1156                          guint           reason,
1157                          gchar          *message,
1158                          gboolean        is_member,
1159                          EmpathyChat    *chat)
1160 {
1161         EmpathyChatPriv *priv = GET_PRIV (chat);
1162
1163         if (priv->block_events_timeout_id == 0) {
1164                 gchar *str;
1165
1166                 empathy_contact_run_until_ready (contact,
1167                                                  EMPATHY_CONTACT_READY_NAME,
1168                                                  NULL);
1169
1170                 if (is_member) {
1171                         str = g_strdup_printf (_("%s has joined the room"),
1172                                                empathy_contact_get_name (contact));
1173                 } else {
1174                         str = g_strdup_printf (_("%s has left the room"),
1175                                                empathy_contact_get_name (contact));
1176                 }
1177                 empathy_chat_view_append_event (chat->view, str);
1178                 g_free (str);
1179         }
1180 }
1181
1182 static gboolean
1183 chat_reset_size_request (gpointer widget)
1184 {
1185         gtk_widget_set_size_request (widget, -1, -1);
1186
1187         return FALSE;
1188 }
1189
1190 static void
1191 chat_set_show_contacts (EmpathyChat *chat, gboolean show)
1192 {
1193         EmpathyChatPriv *priv = GET_PRIV (chat);
1194
1195         if (!priv->scrolled_window_contacts) {
1196                 return;
1197         }
1198
1199         if (show) {
1200                 EmpathyContactListStore *store;
1201                 gint                     min_width;
1202
1203                 /* We are adding the contact list to the chat, we don't want the
1204                  * chat view to become too small. If the chat view is already
1205                  * smaller than 250 make sure that size won't change. If the
1206                  * chat view is bigger the contact list will take some space on
1207                  * it but we make sure the chat view don't become smaller than
1208                  * 250. Relax the size request once the resize is done */
1209                 min_width = MIN (priv->vbox_left->allocation.width, 250);
1210                 gtk_widget_set_size_request (priv->vbox_left, min_width, -1);
1211                 g_idle_add (chat_reset_size_request, priv->vbox_left);
1212
1213                 if (priv->contacts_width > 0) {
1214                         gtk_paned_set_position (GTK_PANED (priv->hpaned),
1215                                                 priv->contacts_width);
1216                 }
1217
1218                 store = empathy_contact_list_store_new (EMPATHY_CONTACT_LIST (priv->tp_chat));
1219                 priv->contact_list_view = GTK_WIDGET (empathy_contact_list_view_new (store,
1220                         EMPATHY_CONTACT_LIST_FEATURE_NONE,
1221                         EMPATHY_CONTACT_FEATURE_CHAT |
1222                         EMPATHY_CONTACT_FEATURE_CALL |
1223                         EMPATHY_CONTACT_FEATURE_LOG |
1224                         EMPATHY_CONTACT_FEATURE_INFO));
1225                 gtk_container_add (GTK_CONTAINER (priv->scrolled_window_contacts),
1226                                    priv->contact_list_view);
1227                 gtk_widget_show (priv->contact_list_view);
1228                 gtk_widget_show (priv->scrolled_window_contacts);
1229                 g_object_unref (store);
1230         } else {
1231                 priv->contacts_width = gtk_paned_get_position (GTK_PANED (priv->hpaned));
1232                 gtk_widget_hide (priv->scrolled_window_contacts);
1233                 if (priv->contact_list_view) {
1234                         gtk_widget_destroy (priv->contact_list_view);
1235                         priv->contact_list_view = NULL;
1236                 }
1237         }
1238 }
1239
1240 static void
1241 chat_remote_contact_changed_cb (EmpathyChat *chat)
1242 {
1243         EmpathyChatPriv *priv = GET_PRIV (chat);
1244
1245         if (priv->remote_contact) {
1246                 g_object_unref (priv->remote_contact);
1247                 priv->remote_contact = NULL;
1248         }
1249
1250         priv->remote_contact = empathy_tp_chat_get_remote_contact (priv->tp_chat);
1251         if (priv->remote_contact) {
1252                 g_object_ref (priv->remote_contact);
1253                 priv->handle_type = TP_HANDLE_TYPE_CONTACT;
1254                 g_free (priv->id);
1255                 priv->id = g_strdup (empathy_contact_get_id (priv->remote_contact));
1256         }
1257         else if (priv->tp_chat) {
1258                 TpChannel *channel;
1259
1260                 channel = empathy_tp_chat_get_channel (priv->tp_chat);
1261                 g_object_get (channel, "handle-type", &priv->handle_type, NULL);
1262                 g_free (priv->id);
1263                 priv->id = g_strdup (empathy_tp_chat_get_id (priv->tp_chat));
1264         }
1265
1266         chat_set_show_contacts (chat, priv->remote_contact == NULL);
1267
1268         g_object_notify (G_OBJECT (chat), "remote-contact");
1269         g_object_notify (G_OBJECT (chat), "id");
1270 }
1271
1272 static void
1273 chat_destroy_cb (EmpathyTpChat *tp_chat,
1274                  EmpathyChat   *chat)
1275 {
1276         EmpathyChatPriv *priv;
1277
1278         priv = GET_PRIV (chat);
1279
1280         if (!priv->tp_chat) {
1281                 return;
1282         }
1283
1284         chat_composing_remove_timeout (chat);
1285         g_object_unref (priv->tp_chat);
1286         priv->tp_chat = NULL;
1287         g_object_notify (G_OBJECT (chat), "tp-chat");
1288
1289         empathy_chat_view_append_event (chat->view, _("Disconnected"));
1290         gtk_widget_set_sensitive (chat->input_text_view, FALSE);
1291         chat_set_show_contacts (chat, FALSE);
1292 }
1293
1294 static void
1295 show_pending_messages (EmpathyChat *chat) {
1296         EmpathyChatPriv *priv = GET_PRIV (chat);
1297         const GList *messages, *l;
1298
1299         if (chat->view == NULL || priv->tp_chat == NULL)
1300                 return;
1301
1302         messages = empathy_tp_chat_get_pending_messages (priv->tp_chat);
1303
1304         for (l = messages; l != NULL ; l = g_list_next (l)) {
1305                 EmpathyMessage *message = EMPATHY_MESSAGE (l->data);
1306                 chat_message_received (chat, message);
1307         }
1308         empathy_tp_chat_acknowledge_messages (priv->tp_chat, messages);
1309 }
1310
1311 static void
1312 chat_create_ui (EmpathyChat *chat)
1313 {
1314         EmpathyChatPriv *priv = GET_PRIV (chat);
1315         GtkBuilder      *gui;
1316         GList           *list = NULL;
1317         gchar           *filename;
1318         GtkTextBuffer   *buffer;
1319
1320         filename = empathy_file_lookup ("empathy-chat.ui",
1321                                         "libempathy-gtk");
1322         gui = empathy_builder_get_file (filename,
1323                                         "chat_widget", &priv->widget,
1324                                         "hpaned", &priv->hpaned,
1325                                         "vbox_left", &priv->vbox_left,
1326                                         "scrolled_window_chat", &priv->scrolled_window_chat,
1327                                         "scrolled_window_input", &priv->scrolled_window_input,
1328                                         "hbox_topic", &priv->hbox_topic,
1329                                         "label_topic", &priv->label_topic,
1330                                         "scrolled_window_contacts", &priv->scrolled_window_contacts,
1331                                         NULL);
1332         g_free (filename);
1333
1334         /* Add message view. */
1335         chat->view = empathy_theme_manager_create_view (empathy_theme_manager_get ());
1336         g_signal_connect (chat->view, "focus_in_event",
1337                           G_CALLBACK (chat_text_view_focus_in_event_cb),
1338                           chat);
1339         gtk_container_add (GTK_CONTAINER (priv->scrolled_window_chat),
1340                            GTK_WIDGET (chat->view));
1341         gtk_widget_show (GTK_WIDGET (chat->view));
1342
1343         /* Add input GtkTextView */
1344         chat->input_text_view = g_object_new (GTK_TYPE_TEXT_VIEW,
1345                                               "pixels-above-lines", 2,
1346                                               "pixels-below-lines", 2,
1347                                               "pixels-inside-wrap", 1,
1348                                               "right-margin", 2,
1349                                               "left-margin", 2,
1350                                               "wrap-mode", GTK_WRAP_WORD_CHAR,
1351                                               NULL);
1352         g_signal_connect (chat->input_text_view, "key-press-event",
1353                           G_CALLBACK (chat_input_key_press_event_cb),
1354                           chat);
1355         g_signal_connect (chat->input_text_view, "size-request",
1356                           G_CALLBACK (chat_input_size_request_cb),
1357                           chat);
1358         g_signal_connect (chat->input_text_view, "realize",
1359                           G_CALLBACK (chat_input_realize_cb),
1360                           chat);
1361         g_signal_connect (chat->input_text_view, "populate-popup",
1362                           G_CALLBACK (chat_input_populate_popup_cb),
1363                           chat);
1364         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1365         g_signal_connect (buffer, "changed",
1366                           G_CALLBACK (chat_input_text_buffer_changed_cb),
1367                           chat);
1368         gtk_text_buffer_create_tag (buffer, "misspelled",
1369                                     "underline", PANGO_UNDERLINE_ERROR,
1370                                     NULL);
1371         gtk_container_add (GTK_CONTAINER (priv->scrolled_window_input),
1372                            chat->input_text_view);
1373         gtk_widget_show (chat->input_text_view);
1374
1375         /* Create contact list */
1376         chat_set_show_contacts (chat, priv->remote_contact == NULL);
1377
1378         /* Initialy hide the topic, will be shown if not empty */
1379         gtk_widget_hide (priv->hbox_topic);
1380
1381         /* Set widget focus order */
1382         list = g_list_append (NULL, priv->scrolled_window_input);
1383         gtk_container_set_focus_chain (GTK_CONTAINER (priv->vbox_left), list);
1384         g_list_free (list);
1385
1386         list = g_list_append (NULL, priv->vbox_left);
1387         list = g_list_append (list, priv->scrolled_window_contacts);
1388         gtk_container_set_focus_chain (GTK_CONTAINER (priv->hpaned), list);
1389         g_list_free (list);
1390
1391         list = g_list_append (NULL, priv->hpaned);
1392         list = g_list_append (list, priv->hbox_topic);
1393         gtk_container_set_focus_chain (GTK_CONTAINER (priv->widget), list);
1394         g_list_free (list);
1395
1396         /* Add the main widget in the chat widget */
1397         gtk_container_add (GTK_CONTAINER (chat), priv->widget);
1398         g_object_unref (gui);
1399 }
1400
1401 static void
1402 chat_size_request (GtkWidget      *widget,
1403                    GtkRequisition *requisition)
1404 {
1405   GtkBin *bin = GTK_BIN (widget);
1406
1407   requisition->width = GTK_CONTAINER (widget)->border_width * 2;
1408   requisition->height = GTK_CONTAINER (widget)->border_width * 2;
1409
1410   if (bin->child && GTK_WIDGET_VISIBLE (bin->child))
1411     {
1412       GtkRequisition child_requisition;
1413
1414       gtk_widget_size_request (bin->child, &child_requisition);
1415
1416       requisition->width += child_requisition.width;
1417       requisition->height += child_requisition.height;
1418     }
1419 }
1420
1421 static void
1422 chat_size_allocate (GtkWidget     *widget,
1423                     GtkAllocation *allocation)
1424 {
1425   GtkBin *bin = GTK_BIN (widget);
1426   GtkAllocation child_allocation;
1427
1428   widget->allocation = *allocation;
1429
1430   if (bin->child && GTK_WIDGET_VISIBLE (bin->child))
1431     {
1432       child_allocation.x = allocation->x + GTK_CONTAINER (widget)->border_width;
1433       child_allocation.y = allocation->y + GTK_CONTAINER (widget)->border_width;
1434       child_allocation.width = MAX (allocation->width - GTK_CONTAINER (widget)->border_width * 2, 0);
1435       child_allocation.height = MAX (allocation->height - GTK_CONTAINER (widget)->border_width * 2, 0);
1436
1437       gtk_widget_size_allocate (bin->child, &child_allocation);
1438     }
1439 }
1440
1441 static void
1442 chat_finalize (GObject *object)
1443 {
1444         EmpathyChat     *chat;
1445         EmpathyChatPriv *priv;
1446
1447         chat = EMPATHY_CHAT (object);
1448         priv = GET_PRIV (chat);
1449
1450         DEBUG ("Finalized: %p", object);
1451
1452         g_slist_foreach (priv->sent_messages, (GFunc) g_free, NULL);
1453         g_slist_free (priv->sent_messages);
1454
1455         g_list_foreach (priv->compositors, (GFunc) g_object_unref, NULL);
1456         g_list_free (priv->compositors);
1457
1458         chat_composing_remove_timeout (chat);
1459
1460         g_signal_handlers_disconnect_by_func (priv->account_manager,
1461                                               chat_connection_changed_cb, object);
1462
1463         g_object_unref (priv->account_manager);
1464         g_object_unref (priv->log_manager);
1465
1466         if (priv->tp_chat) {
1467                 g_signal_handler_disconnect (priv->tp_chat, priv->tp_chat_destroy_handler);
1468                 empathy_tp_chat_close (priv->tp_chat);
1469                 g_object_unref (priv->tp_chat);
1470         }
1471         if (priv->account) {
1472                 g_object_unref (priv->account);
1473         }
1474         if (priv->remote_contact) {
1475                 g_object_unref (priv->remote_contact);
1476         }
1477
1478         if (priv->block_events_timeout_id) {
1479                 g_source_remove (priv->block_events_timeout_id);
1480         }
1481
1482         g_free (priv->id);
1483         g_free (priv->name);
1484         g_free (priv->subject);
1485         g_completion_free (priv->completion);
1486
1487         G_OBJECT_CLASS (empathy_chat_parent_class)->finalize (object);
1488 }
1489
1490 static void
1491 chat_constructed (GObject *object)
1492 {
1493         EmpathyChat *chat = EMPATHY_CHAT (object);
1494
1495         chat_create_ui (chat);
1496         chat_add_logs (chat);
1497         show_pending_messages (chat);
1498 }
1499
1500 static void
1501 empathy_chat_class_init (EmpathyChatClass *klass)
1502 {
1503         GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
1504         GObjectClass   *object_class = G_OBJECT_CLASS (klass);
1505
1506         object_class->finalize = chat_finalize;
1507         object_class->get_property = chat_get_property;
1508         object_class->set_property = chat_set_property;
1509         object_class->constructed = chat_constructed;
1510
1511         widget_class->size_request = chat_size_request;
1512         widget_class->size_allocate = chat_size_allocate;
1513
1514         g_object_class_install_property (object_class,
1515                                          PROP_TP_CHAT,
1516                                          g_param_spec_object ("tp-chat",
1517                                                               "Empathy tp chat",
1518                                                               "The tp chat object",
1519                                                               EMPATHY_TYPE_TP_CHAT,
1520                                                               G_PARAM_CONSTRUCT |
1521                                                               G_PARAM_READWRITE));
1522         g_object_class_install_property (object_class,
1523                                          PROP_ACCOUNT,
1524                                          g_param_spec_object ("account",
1525                                                               "Account of the chat",
1526                                                               "The account of the chat",
1527                                                               MC_TYPE_ACCOUNT,
1528                                                               G_PARAM_READABLE));
1529         g_object_class_install_property (object_class,
1530                                          PROP_ID,
1531                                          g_param_spec_string ("id",
1532                                                               "Chat's id",
1533                                                               "The id of the chat",
1534                                                               NULL,
1535                                                               G_PARAM_READABLE));
1536         g_object_class_install_property (object_class,
1537                                          PROP_NAME,
1538                                          g_param_spec_string ("name",
1539                                                               "Chat's name",
1540                                                               "The name of the chat",
1541                                                               NULL,
1542                                                               G_PARAM_READABLE));
1543         g_object_class_install_property (object_class,
1544                                          PROP_SUBJECT,
1545                                          g_param_spec_string ("subject",
1546                                                               "Chat's subject",
1547                                                               "The subject or topic of the chat",
1548                                                               NULL,
1549                                                               G_PARAM_READABLE));
1550         g_object_class_install_property (object_class,
1551                                          PROP_REMOTE_CONTACT,
1552                                          g_param_spec_object ("remote-contact",
1553                                                               "The remote contact",
1554                                                               "The remote contact is any",
1555                                                               EMPATHY_TYPE_CONTACT,
1556                                                               G_PARAM_READABLE));
1557
1558         signals[COMPOSING] =
1559                 g_signal_new ("composing",
1560                               G_OBJECT_CLASS_TYPE (object_class),
1561                               G_SIGNAL_RUN_LAST,
1562                               0,
1563                               NULL, NULL,
1564                               g_cclosure_marshal_VOID__BOOLEAN,
1565                               G_TYPE_NONE,
1566                               1, G_TYPE_BOOLEAN);
1567
1568         signals[NEW_MESSAGE] =
1569                 g_signal_new ("new-message",
1570                               G_OBJECT_CLASS_TYPE (object_class),
1571                               G_SIGNAL_RUN_LAST,
1572                               0,
1573                               NULL, NULL,
1574                               g_cclosure_marshal_VOID__OBJECT,
1575                               G_TYPE_NONE,
1576                               1, EMPATHY_TYPE_MESSAGE);
1577
1578         g_type_class_add_private (object_class, sizeof (EmpathyChatPriv));
1579 }
1580
1581 static gboolean
1582 chat_block_events_timeout_cb (gpointer data)
1583 {
1584         EmpathyChatPriv *priv = GET_PRIV (data);
1585
1586         priv->block_events_timeout_id = 0;
1587
1588         return FALSE;
1589 }
1590
1591 static void
1592 empathy_chat_init (EmpathyChat *chat)
1593 {
1594         EmpathyChatPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (chat,
1595                 EMPATHY_TYPE_CHAT, EmpathyChatPriv);
1596
1597         chat->priv = priv;
1598         priv->log_manager = empathy_log_manager_dup_singleton ();
1599         priv->contacts_width = -1;
1600         priv->sent_messages = NULL;
1601         priv->sent_messages_index = -1;
1602         priv->account_manager = empathy_account_manager_dup_singleton ();
1603
1604         g_signal_connect (priv->account_manager,
1605                           "account-connection-changed",
1606                           G_CALLBACK (chat_connection_changed_cb),
1607                           chat);
1608
1609         /* Block events for some time to avoid having "has come online" or
1610          * "joined" messages. */
1611         priv->block_events_timeout_id =
1612                 g_timeout_add_seconds (1, chat_block_events_timeout_cb, chat);
1613
1614         /* Add nick name completion */
1615         priv->completion = g_completion_new ((GCompletionFunc) empathy_contact_get_name);
1616         g_completion_set_compare (priv->completion, chat_contacts_completion_func);
1617 }
1618
1619 EmpathyChat *
1620 empathy_chat_new (EmpathyTpChat *tp_chat)
1621 {
1622         return g_object_new (EMPATHY_TYPE_CHAT, "tp-chat", tp_chat, NULL);
1623 }
1624
1625 EmpathyTpChat *
1626 empathy_chat_get_tp_chat (EmpathyChat *chat)
1627 {
1628         EmpathyChatPriv *priv = GET_PRIV (chat);
1629
1630         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
1631
1632         return priv->tp_chat;
1633 }
1634
1635 void
1636 empathy_chat_set_tp_chat (EmpathyChat   *chat,
1637                           EmpathyTpChat *tp_chat)
1638 {
1639         EmpathyChatPriv *priv = GET_PRIV (chat);
1640
1641         g_return_if_fail (EMPATHY_IS_CHAT (chat));
1642         g_return_if_fail (EMPATHY_IS_TP_CHAT (tp_chat));
1643         g_return_if_fail (empathy_tp_chat_is_ready (tp_chat));
1644
1645         if (priv->tp_chat) {
1646                 return;
1647         }
1648
1649         if (priv->account) {
1650                 g_object_unref (priv->account);
1651         }
1652
1653         priv->tp_chat = g_object_ref (tp_chat);
1654         priv->account = g_object_ref (empathy_tp_chat_get_account (tp_chat));
1655
1656         g_signal_connect (tp_chat, "message-received",
1657                           G_CALLBACK (chat_message_received_cb),
1658                           chat);
1659         g_signal_connect (tp_chat, "send-error",
1660                           G_CALLBACK (chat_send_error_cb),
1661                           chat);
1662         g_signal_connect (tp_chat, "chat-state-changed",
1663                           G_CALLBACK (chat_state_changed_cb),
1664                           chat);
1665         g_signal_connect (tp_chat, "property-changed",
1666                           G_CALLBACK (chat_property_changed_cb),
1667                           chat);
1668         g_signal_connect (tp_chat, "members-changed",
1669                           G_CALLBACK (chat_members_changed_cb),
1670                           chat);
1671         g_signal_connect_swapped (tp_chat, "notify::remote-contact",
1672                                   G_CALLBACK (chat_remote_contact_changed_cb),
1673                                   chat);
1674         priv->tp_chat_destroy_handler =
1675                 g_signal_connect (tp_chat, "destroy",
1676                           G_CALLBACK (chat_destroy_cb),
1677                           chat);
1678
1679         chat_remote_contact_changed_cb (chat);
1680
1681         if (chat->input_text_view) {
1682                 gtk_widget_set_sensitive (chat->input_text_view, TRUE);
1683                 if (priv->block_events_timeout_id == 0) {
1684                         empathy_chat_view_append_event (chat->view, _("Connected"));
1685                 }
1686         }
1687
1688         g_object_notify (G_OBJECT (chat), "tp-chat");
1689         g_object_notify (G_OBJECT (chat), "id");
1690         g_object_notify (G_OBJECT (chat), "account");
1691
1692         /* This is a noop when tp-chat is set at object construction time and causes
1693          * the pending messages to be show when it's set on the object after it has
1694          * been created */
1695         show_pending_messages (chat);
1696 }
1697
1698 McAccount *
1699 empathy_chat_get_account (EmpathyChat *chat)
1700 {
1701         EmpathyChatPriv *priv = GET_PRIV (chat);
1702
1703         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
1704
1705         return priv->account;
1706 }
1707
1708 const gchar *
1709 empathy_chat_get_id (EmpathyChat *chat)
1710 {
1711         EmpathyChatPriv *priv = GET_PRIV (chat);
1712
1713         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
1714
1715         return priv->id;
1716 }
1717
1718 const gchar *
1719 empathy_chat_get_name (EmpathyChat *chat)
1720 {
1721         EmpathyChatPriv *priv = GET_PRIV (chat);
1722         const gchar *ret;
1723
1724         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
1725
1726         ret = priv->name;
1727         if (!ret && priv->remote_contact) {
1728                 ret = empathy_contact_get_name (priv->remote_contact);
1729         }
1730
1731         if (!ret)
1732                 ret = priv->id;
1733
1734         return ret ? ret : _("Conversation");
1735 }
1736
1737 const gchar *
1738 empathy_chat_get_subject (EmpathyChat *chat)
1739 {
1740         EmpathyChatPriv *priv = GET_PRIV (chat);
1741
1742         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
1743
1744         return priv->subject;
1745 }
1746
1747 EmpathyContact *
1748 empathy_chat_get_remote_contact (EmpathyChat *chat)
1749 {
1750         EmpathyChatPriv *priv = GET_PRIV (chat);
1751
1752         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
1753
1754         return priv->remote_contact;
1755 }
1756
1757 guint
1758 empathy_chat_get_members_count (EmpathyChat *chat)
1759 {
1760         EmpathyChatPriv *priv = GET_PRIV (chat);
1761
1762         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), 0);
1763
1764         if (priv->tp_chat) {
1765                 return empathy_tp_chat_get_members_count (priv->tp_chat);
1766         }
1767
1768         return 0;
1769 }
1770
1771 GtkWidget *
1772 empathy_chat_get_contact_menu (EmpathyChat *chat)
1773 {
1774         EmpathyChatPriv *priv = GET_PRIV (chat);
1775         GtkWidget       *menu = NULL;
1776
1777         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
1778
1779         if (priv->remote_contact) {
1780                 menu = empathy_contact_menu_new (priv->remote_contact,
1781                                                  EMPATHY_CONTACT_FEATURE_CALL |
1782                                                  EMPATHY_CONTACT_FEATURE_LOG |
1783                                                  EMPATHY_CONTACT_FEATURE_INFO);
1784         }
1785         else if (priv->contact_list_view) {
1786                 EmpathyContactListView *view;
1787
1788                 view = EMPATHY_CONTACT_LIST_VIEW (priv->contact_list_view);
1789                 menu = empathy_contact_list_view_get_contact_menu (view);
1790         }
1791
1792         return menu;
1793 }
1794
1795 void
1796 empathy_chat_clear (EmpathyChat *chat)
1797 {
1798         g_return_if_fail (EMPATHY_IS_CHAT (chat));
1799
1800         empathy_chat_view_clear (chat->view);
1801 }
1802
1803 void
1804 empathy_chat_scroll_down (EmpathyChat *chat)
1805 {
1806         g_return_if_fail (EMPATHY_IS_CHAT (chat));
1807
1808         empathy_chat_view_scroll_down (chat->view);
1809 }
1810
1811 void
1812 empathy_chat_cut (EmpathyChat *chat)
1813 {
1814         GtkTextBuffer *buffer;
1815
1816         g_return_if_fail (EMPATHY_IS_CHAT (chat));
1817
1818         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1819         if (gtk_text_buffer_get_has_selection (buffer)) {
1820                 GtkClipboard *clipboard;
1821
1822                 clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
1823
1824                 gtk_text_buffer_cut_clipboard (buffer, clipboard, TRUE);
1825         }
1826 }
1827
1828 void
1829 empathy_chat_copy (EmpathyChat *chat)
1830 {
1831         GtkTextBuffer *buffer;
1832
1833         g_return_if_fail (EMPATHY_IS_CHAT (chat));
1834
1835         if (empathy_chat_view_get_has_selection (chat->view)) {
1836                 empathy_chat_view_copy_clipboard (chat->view);
1837                 return;
1838         }
1839
1840         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1841         if (gtk_text_buffer_get_has_selection (buffer)) {
1842                 GtkClipboard *clipboard;
1843
1844                 clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
1845
1846                 gtk_text_buffer_copy_clipboard (buffer, clipboard);
1847         }
1848 }
1849
1850 void
1851 empathy_chat_paste (EmpathyChat *chat)
1852 {
1853         GtkTextBuffer *buffer;
1854         GtkClipboard  *clipboard;
1855
1856         g_return_if_fail (EMPATHY_IS_CHAT (chat));
1857
1858         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1859         clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
1860
1861         gtk_text_buffer_paste_clipboard (buffer, clipboard, NULL, TRUE);
1862 }
1863
1864 void
1865 empathy_chat_correct_word (EmpathyChat  *chat,
1866                           GtkTextIter *start,
1867                           GtkTextIter *end,
1868                           const gchar *new_word)
1869 {
1870         GtkTextBuffer *buffer;
1871
1872         g_return_if_fail (chat != NULL);
1873         g_return_if_fail (new_word != NULL);
1874
1875         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1876
1877         gtk_text_buffer_delete (buffer, start, end);
1878         gtk_text_buffer_insert (buffer, start,
1879                                 new_word,
1880                                 -1);
1881 }
1882
1883 gboolean
1884 empathy_chat_is_room (EmpathyChat *chat)
1885 {
1886         EmpathyChatPriv *priv = GET_PRIV (chat);
1887
1888         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), FALSE);
1889
1890         return (priv->handle_type == TP_HANDLE_TYPE_ROOM);
1891 }
1892