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