libempathy-gtk/gossip-chat-window.c

   1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
   2 /*
   3  * Copyright (C) 2003-2007 Imendio AB
   4  * Copyright (C) 2007 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
  32 #include <gtk/gtk.h>
  33 #include <gdk/gdkkeysyms.h>
  34 #include <glade/glade.h>
  35 #include <glib/gi18n.h>
  36
  37 #include <libempathy/empathy-contact-manager.h>
  38 #include <libempathy/empathy-contact-list.h>
  39 #include <libempathy/gossip-chatroom-manager.h>
  40 #include <libempathy/gossip-contact.h>
  41 #include <libempathy/gossip-debug.h>
  42 #include <libempathy/gossip-message.h>
  43 #include <libempathy/gossip-conf.h>
  44 #include <libempathy/gossip-utils.h>
  45
  46 #include "gossip-chat-window.h"
  47 #include "empathy-images.h"
  48 //#include "gossip-add-contact-dialog.h"
  49 //#include "gossip-chat-invite.h"
  50 //#include "gossip-contact-info-dialog.h"
  51 //#include "gossip-log-window.h"
  52 #include "gossip-new-chatroom-dialog.h"
  53 #include "gossip-preferences.h"
  54 #include "gossip-private-chat.h"
  55 #include "gossip-group-chat.h"
  56 //#include "gossip-sound.h"
  57 #include "gossip-ui-utils.h"
  58
  59 #define GET_PRIV(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), GOSSIP_TYPE_CHAT_WINDOW, GossipChatWindowPriv))
  60
  61 #define DEBUG_DOMAIN "ChatWindow"
  62
  63 #define URGENCY_TIMEOUT 60*1000
  64
  65 struct _GossipChatWindowPriv {
  66         GList       *chats;
  67         GList       *chats_new_msg;
  68         GList       *chats_composing;
  69
  70         GossipChat  *current_chat;
  71
  72         gboolean     page_added;
  73         gboolean     dnd_same_window;
  74
  75         guint        urgency_timeout_id;
  76
  77         GtkWidget   *dialog;
  78         GtkWidget   *notebook;
  79
  80         GtkTooltips *tooltips;
  81
  82         /* Menu items. */
  83         GtkWidget   *menu_conv_clear;
  84         GtkWidget   *menu_conv_insert_smiley;
  85         GtkWidget   *menu_conv_log;
  86         GtkWidget   *menu_conv_separator;
  87         GtkWidget   *menu_conv_add_contact;
  88         GtkWidget   *menu_conv_info;
  89         GtkWidget   *menu_conv_close;
  90
  91         GtkWidget   *menu_room;
  92         GtkWidget   *menu_room_set_topic;
  93         GtkWidget   *menu_room_join_new;
  94         GtkWidget   *menu_room_invite;
  95         GtkWidget   *menu_room_add;
  96         GtkWidget   *menu_room_show_contacts;
  97
  98         GtkWidget   *menu_edit_cut;
  99         GtkWidget   *menu_edit_copy;
 100         GtkWidget   *menu_edit_paste;
 101
 102         GtkWidget   *menu_tabs_next;
 103         GtkWidget   *menu_tabs_prev;
 104         GtkWidget   *menu_tabs_left;
 105         GtkWidget   *menu_tabs_right;
 106         GtkWidget   *menu_tabs_detach;
 107
 108         guint        save_geometry_id;
 109 };
 110
 111 static void       gossip_chat_window_class_init         (GossipChatWindowClass *klass);
 112 static void       gossip_chat_window_init               (GossipChatWindow      *window);
 113 static void       gossip_chat_window_finalize           (GObject               *object);
 114 static void       chat_window_accel_cb                  (GtkAccelGroup         *accelgroup,
 115                                                          GObject               *object,
 116                                                          guint                  key,
 117                                                          GdkModifierType        mod,
 118                                                          GossipChatWindow      *window);
 119 static void       chat_window_close_clicked_cb          (GtkWidget             *button,
 120                                                          GossipChat            *chat);
 121 static GtkWidget *chat_window_create_label              (GossipChatWindow      *window,
 122                                                          GossipChat            *chat);
 123 static void       chat_window_update_status             (GossipChatWindow      *window,
 124                                                          GossipChat            *chat);
 125 static void       chat_window_update_title              (GossipChatWindow      *window,
 126                                                          GossipChat            *chat);
 127 static void       chat_window_update_menu               (GossipChatWindow      *window);
 128 static gboolean   chat_window_save_geometry_timeout_cb  (GossipChatWindow      *window);
 129 static gboolean   chat_window_configure_event_cb        (GtkWidget             *widget,
 130                                                          GdkEventConfigure     *event,
 131                                                          GossipChatWindow      *window);
 132 static void       chat_window_conv_activate_cb          (GtkWidget             *menuitem,
 133                                                          GossipChatWindow      *window);
 134 static void       chat_window_clear_activate_cb         (GtkWidget             *menuitem,
 135                                                          GossipChatWindow      *window);
 136 static void       chat_window_info_activate_cb          (GtkWidget             *menuitem,
 137                                                          GossipChatWindow      *window);
 138 static void       chat_window_add_contact_activate_cb   (GtkWidget             *menuitem,
 139                                                          GossipChatWindow      *window);
 140 static void       chat_window_log_activate_cb           (GtkWidget             *menuitem,
 141                                                          GossipChatWindow      *window);
 142 static void       chat_window_show_contacts_toggled_cb  (GtkWidget             *menuitem,
 143                                                          GossipChatWindow      *window);
 144 static void       chat_window_edit_activate_cb          (GtkWidget             *menuitem,
 145                                                          GossipChatWindow      *window);
 146 static void       chat_window_insert_smiley_activate_cb (GtkWidget             *menuitem,
 147                                                          GossipChatWindow      *window);
 148 static void       chat_window_close_activate_cb         (GtkWidget             *menuitem,
 149                                                          GossipChatWindow      *window);
 150 static void       chat_window_room_set_topic_activate_cb(GtkWidget             *menuitem,
 151                                                          GossipChatWindow      *window);
 152 static void       chat_window_room_join_new_activate_cb (GtkWidget             *menuitem,
 153                                                          GossipChatWindow      *window);
 154 static void       chat_window_room_invite_activate_cb   (GtkWidget             *menuitem,
 155                                                          GossipChatWindow      *window);
 156 static void       chat_window_room_add_activate_cb      (GtkWidget             *menuitem,
 157                                                          GossipChatWindow      *window);
 158 static void       chat_window_cut_activate_cb           (GtkWidget             *menuitem,
 159                                                          GossipChatWindow      *window);
 160 static void       chat_window_copy_activate_cb          (GtkWidget             *menuitem,
 161                                                          GossipChatWindow      *window);
 162 static void       chat_window_paste_activate_cb         (GtkWidget             *menuitem,
 163                                                          GossipChatWindow      *window);
 164 static void       chat_window_tabs_left_activate_cb     (GtkWidget             *menuitem,
 165                                                          GossipChatWindow      *window);
 166 static void       chat_window_tabs_right_activate_cb    (GtkWidget             *menuitem,
 167                                                          GossipChatWindow      *window);
 168 static void       chat_window_detach_activate_cb        (GtkWidget             *menuitem,
 169                                                          GossipChatWindow      *window);
 170 static gboolean   chat_window_delete_event_cb           (GtkWidget             *dialog,
 171                                                          GdkEvent              *event,
 172                                                          GossipChatWindow      *window);
 173 static void       chat_window_status_changed_cb         (GossipChat            *chat,
 174                                                          GossipChatWindow      *window);
 175 static void       chat_window_update_tooltip            (GossipChatWindow      *window,
 176                                                          GossipChat            *chat);
 177 static void       chat_window_name_changed_cb           (GossipChat            *chat,
 178                                                          const gchar           *name,
 179                                                          GossipChatWindow      *window);
 180 static void       chat_window_composing_cb              (GossipChat            *chat,
 181                                                          gboolean               is_composing,
 182                                                          GossipChatWindow      *window);
 183 static void       chat_window_new_message_cb            (GossipChat            *chat,
 184                                                          GossipMessage         *message,
 185                                                          gboolean               is_backlog,
 186                                                          GossipChatWindow      *window);
 187 static GtkNotebook* chat_window_detach_hook             (GtkNotebook           *source,
 188                                                          GtkWidget             *page,
 189                                                          gint                   x,
 190                                                          gint                   y,
 191                                                          gpointer               user_data);
 192 static void       chat_window_page_switched_cb          (GtkNotebook           *notebook,
 193                                                          GtkNotebookPage       *page,
 194                                                          gint                   page_num,
 195                                                          GossipChatWindow      *window);
 196 static void       chat_window_page_reordered_cb         (GtkNotebook           *notebook,
 197                                                          GtkWidget             *widget,
 198                                                          guint                  page_num,
 199                                                          GossipChatWindow      *window);
 200 static void       chat_window_page_added_cb             (GtkNotebook           *notebook,
 201                                                          GtkWidget             *child,
 202                                                          guint                  page_num,
 203                                                          GossipChatWindow      *window);
 204 static void       chat_window_page_removed_cb           (GtkNotebook           *notebook,
 205                                                          GtkWidget             *child,
 206                                                          guint                  page_num,
 207                                                          GossipChatWindow      *window);
 208 static gboolean   chat_window_focus_in_event_cb         (GtkWidget             *widget,
 209                                                          GdkEvent              *event,
 210                                                          GossipChatWindow      *window);
 211 static void       chat_window_drag_data_received        (GtkWidget             *widget,
 212                                                          GdkDragContext        *context,
 213                                                          int                    x,
 214                                                          int                    y,
 215                                                          GtkSelectionData      *selection,
 216                                                          guint                  info,
 217                                                          guint                  time,
 218                                                          GossipChatWindow      *window);
 219 static void       chat_window_set_urgency_hint          (GossipChatWindow      *window,
 220                                                          gboolean               urgent);
 221
 222
 223 static GList *chat_windows = NULL;
 224
 225 static const guint tab_accel_keys[] = {
 226         GDK_1, GDK_2, GDK_3, GDK_4, GDK_5,
 227         GDK_6, GDK_7, GDK_8, GDK_9, GDK_0
 228 };
 229
 230 typedef enum {
 231         DND_DRAG_TYPE_CONTACT_ID,
 232         DND_DRAG_TYPE_TAB
 233 } DndDragType;
 234
 235 static const GtkTargetEntry drag_types_dest[] = {
 236         { "text/contact-id", 0, DND_DRAG_TYPE_CONTACT_ID },
 237         { "GTK_NOTEBOOK_TAB", GTK_TARGET_SAME_APP, DND_DRAG_TYPE_TAB },
 238 };
 239
 240 G_DEFINE_TYPE (GossipChatWindow, gossip_chat_window, G_TYPE_OBJECT);
 241
 242 static void
 243 gossip_chat_window_class_init (GossipChatWindowClass *klass)
 244 {
 245         GObjectClass *object_class = G_OBJECT_CLASS (klass);
 246
 247         object_class->finalize = gossip_chat_window_finalize;
 248
 249         g_type_class_add_private (object_class, sizeof (GossipChatWindowPriv));
 250
 251         /* Set up a style for the close button with no focus padding. */
 252         gtk_rc_parse_string (
 253                 "style \"gossip-close-button-style\"\n"
 254                 "{\n"
 255                 "  GtkWidget::focus-padding = 0\n"
 256                 "  xthickness = 0\n"
 257                 "  ythickness = 0\n"
 258                 "}\n"
 259                 "widget \"*.gossip-close-button\" style \"gossip-close-button-style\"");
 260
 261         gtk_notebook_set_window_creation_hook (chat_window_detach_hook, NULL, NULL);
 262 }
 263
 264 static void
 265 gossip_chat_window_init (GossipChatWindow *window)
 266 {
 267         GossipChatWindowPriv *priv;
 268         GladeXML             *glade;
 269         GtkAccelGroup        *accel_group;
 270         GtkWidget            *image;
 271         GClosure             *closure;
 272         GtkWidget            *menu_conv;
 273         GtkWidget            *menu;
 274         gint                  i;
 275         GtkWidget            *chat_vbox;
 276
 277         priv = GET_PRIV (window);
 278
 279         priv->tooltips = g_object_ref_sink (gtk_tooltips_new ());
 280
 281         glade = gossip_glade_get_file ("gossip-chat.glade",
 282                                        "chat_window",
 283                                        NULL,
 284                                        "chat_window", &priv->dialog,
 285                                        "chat_vbox", &chat_vbox,
 286                                        "menu_conv", &menu_conv,
 287                                        "menu_conv_clear", &priv->menu_conv_clear,
 288                                        "menu_conv_insert_smiley", &priv->menu_conv_insert_smiley,
 289                                        "menu_conv_log", &priv->menu_conv_log,
 290                                        "menu_conv_separator", &priv->menu_conv_separator,
 291                                        "menu_conv_add_contact", &priv->menu_conv_add_contact,
 292                                        "menu_conv_info", &priv->menu_conv_info,
 293                                        "menu_conv_close", &priv->menu_conv_close,
 294                                        "menu_room", &priv->menu_room,
 295                                        "menu_room_set_topic", &priv->menu_room_set_topic,
 296                                        "menu_room_join_new", &priv->menu_room_join_new,
 297                                        "menu_room_invite", &priv->menu_room_invite,
 298                                        "menu_room_add", &priv->menu_room_add,
 299                                        "menu_room_show_contacts", &priv->menu_room_show_contacts,
 300                                        "menu_edit_cut", &priv->menu_edit_cut,
 301                                        "menu_edit_copy", &priv->menu_edit_copy,
 302                                        "menu_edit_paste", &priv->menu_edit_paste,
 303                                        "menu_tabs_next", &priv->menu_tabs_next,
 304                                        "menu_tabs_prev", &priv->menu_tabs_prev,
 305                                        "menu_tabs_left", &priv->menu_tabs_left,
 306                                        "menu_tabs_right", &priv->menu_tabs_right,
 307                                        "menu_tabs_detach", &priv->menu_tabs_detach,
 308                                        NULL);
 309
 310         gossip_glade_connect (glade,
 311                               window,
 312                               "chat_window", "configure-event", chat_window_configure_event_cb,
 313                               "menu_conv", "activate", chat_window_conv_activate_cb,
 314                               "menu_conv_clear", "activate", chat_window_clear_activate_cb,
 315                               "menu_conv_log", "activate", chat_window_log_activate_cb,
 316                               "menu_conv_add_contact", "activate", chat_window_add_contact_activate_cb,
 317                               "menu_conv_info", "activate", chat_window_info_activate_cb,
 318                               "menu_conv_close", "activate", chat_window_close_activate_cb,
 319                               "menu_room_set_topic", "activate", chat_window_room_set_topic_activate_cb,
 320                               "menu_room_join_new", "activate", chat_window_room_join_new_activate_cb,
 321                               "menu_room_invite", "activate", chat_window_room_invite_activate_cb,
 322                               "menu_room_add", "activate", chat_window_room_add_activate_cb,
 323                               "menu_edit", "activate", chat_window_edit_activate_cb,
 324                               "menu_edit_cut", "activate", chat_window_cut_activate_cb,
 325                               "menu_edit_copy", "activate", chat_window_copy_activate_cb,
 326                               "menu_edit_paste", "activate", chat_window_paste_activate_cb,
 327                               "menu_tabs_left", "activate", chat_window_tabs_left_activate_cb,
 328                               "menu_tabs_right", "activate", chat_window_tabs_right_activate_cb,
 329                               "menu_tabs_detach", "activate", chat_window_detach_activate_cb,
 330                               NULL);
 331
 332         g_object_unref (glade);
 333
 334         priv->notebook = gtk_notebook_new ();
 335         gtk_notebook_set_group_id (GTK_NOTEBOOK (priv->notebook), 1);
 336         gtk_box_pack_start (GTK_BOX (chat_vbox), priv->notebook, TRUE, TRUE, 0);
 337         gtk_widget_show (priv->notebook);
 338
 339         /* Set up accels */
 340         accel_group = gtk_accel_group_new ();
 341         gtk_window_add_accel_group (GTK_WINDOW (priv->dialog), accel_group);
 342
 343         for (i = 0; i < G_N_ELEMENTS (tab_accel_keys); i++) {
 344                 closure =  g_cclosure_new (G_CALLBACK (chat_window_accel_cb),
 345                                            window,
 346                                            NULL);
 347                 gtk_accel_group_connect (accel_group,
 348                                          tab_accel_keys[i],
 349                                          GDK_MOD1_MASK,
 350                                          0,
 351                                          closure);
 352         }
 353
 354         g_object_unref (accel_group);
 355
 356         /* Set the contact information menu item image to the Gossip
 357          * stock image
 358          */
 359         image = gtk_image_menu_item_get_image (GTK_IMAGE_MENU_ITEM (priv->menu_conv_info));
 360         gtk_image_set_from_icon_name (GTK_IMAGE (image),
 361                                       EMPATHY_IMAGE_CONTACT_INFORMATION,
 362                                       GTK_ICON_SIZE_MENU);
 363
 364         /* Set up smiley menu */
 365         menu = gossip_chat_view_get_smiley_menu (
 366                 G_CALLBACK (chat_window_insert_smiley_activate_cb),
 367                 window,
 368                 priv->tooltips);
 369         gtk_menu_item_set_submenu (GTK_MENU_ITEM (priv->menu_conv_insert_smiley), menu);
 370
 371         /* Set up signals we can't do with glade since we may need to
 372          * block/unblock them at some later stage.
 373          */
 374
 375         g_signal_connect (priv->dialog,
 376                           "delete_event",
 377                           G_CALLBACK (chat_window_delete_event_cb),
 378                           window);
 379
 380         g_signal_connect (priv->menu_room_show_contacts,
 381                           "toggled",
 382                           G_CALLBACK (chat_window_show_contacts_toggled_cb),
 383                           window);
 384
 385         g_signal_connect_swapped (priv->menu_tabs_prev,
 386                                   "activate",
 387                                   G_CALLBACK (gtk_notebook_prev_page),
 388                                   priv->notebook);
 389         g_signal_connect_swapped (priv->menu_tabs_next,
 390                                   "activate",
 391                                   G_CALLBACK (gtk_notebook_next_page),
 392                                   priv->notebook);
 393
 394         g_signal_connect (priv->dialog,
 395                           "focus_in_event",
 396                           G_CALLBACK (chat_window_focus_in_event_cb),
 397                           window);
 398         g_signal_connect_after (priv->notebook,
 399                                 "switch_page",
 400                                 G_CALLBACK (chat_window_page_switched_cb),
 401                                 window);
 402         g_signal_connect (priv->notebook,
 403                           "page_reordered",
 404                           G_CALLBACK (chat_window_page_reordered_cb),
 405                           window);
 406         g_signal_connect (priv->notebook,
 407                           "page_added",
 408                           G_CALLBACK (chat_window_page_added_cb),
 409                           window);
 410         g_signal_connect (priv->notebook,
 411                           "page_removed",
 412                           G_CALLBACK (chat_window_page_removed_cb),
 413                           window);
 414
 415         /* Set up drag and drop */
 416         gtk_drag_dest_set (GTK_WIDGET (priv->notebook),
 417                            GTK_DEST_DEFAULT_ALL,
 418                            drag_types_dest,
 419                            G_N_ELEMENTS (drag_types_dest),
 420                            GDK_ACTION_MOVE);
 421
 422         g_signal_connect (priv->notebook,
 423                           "drag-data-received",
 424                           G_CALLBACK (chat_window_drag_data_received),
 425                           window);
 426
 427         chat_windows = g_list_prepend (chat_windows, window);
 428
 429         /* Set up private details */
 430         priv->chats = NULL;
 431         priv->chats_new_msg = NULL;
 432         priv->chats_composing = NULL;
 433         priv->current_chat = NULL;
 434 }
 435
 436 /* Returns the window to open a new tab in if there is only one window
 437  * visble, otherwise, returns NULL indicating that a new window should
 438  * be added.
 439  */
 440 GossipChatWindow *
 441 gossip_chat_window_get_default (void)
 442 {
 443         GList    *l;
 444         gboolean  separate_windows = TRUE;
 445
 446         gossip_conf_get_bool (gossip_conf_get (),
 447                               GOSSIP_PREFS_UI_SEPARATE_CHAT_WINDOWS,
 448                               &separate_windows);
 449
 450         if (separate_windows) {
 451                 /* Always create a new window */
 452                 return NULL;
 453         }
 454
 455         for (l = chat_windows; l; l = l->next) {
 456                 GossipChatWindow *chat_window;
 457                 GtkWidget        *dialog;
 458                 GdkWindow        *window;
 459                 gboolean          visible;
 460
 461                 chat_window = l->data;
 462
 463                 dialog = gossip_chat_window_get_dialog (chat_window);
 464                 window = dialog->window;
 465
 466                 g_object_get (dialog,
 467                               "visible", &visible,
 468                               NULL);
 469
 470                 visible = visible && !(gdk_window_get_state (window) & GDK_WINDOW_STATE_ICONIFIED);
 471
 472                 if (visible) {
 473                         /* Found a visible window on this desktop */
 474                         return chat_window;
 475                 }
 476         }
 477
 478         return NULL;
 479 }
 480
 481 static void
 482 gossip_chat_window_finalize (GObject *object)
 483 {
 484         GossipChatWindow     *window;
 485         GossipChatWindowPriv *priv;
 486
 487         window = GOSSIP_CHAT_WINDOW (object);
 488         priv = GET_PRIV (window);
 489
 490         gossip_debug (DEBUG_DOMAIN, "Finalized: %p", object);
 491
 492         if (priv->save_geometry_id != 0) {
 493                 g_source_remove (priv->save_geometry_id);
 494         }
 495
 496         if (priv->urgency_timeout_id != 0) {
 497                 g_source_remove (priv->urgency_timeout_id);
 498         }
 499
 500         chat_windows = g_list_remove (chat_windows, window);
 501         gtk_widget_destroy (priv->dialog);
 502
 503         g_object_unref (priv->tooltips);
 504
 505         G_OBJECT_CLASS (gossip_chat_window_parent_class)->finalize (object);
 506 }
 507
 508 static void
 509 chat_window_accel_cb (GtkAccelGroup    *accelgroup,
 510                       GObject          *object,
 511                       guint             key,
 512                       GdkModifierType   mod,
 513                       GossipChatWindow *window)
 514 {
 515         GossipChatWindowPriv *priv;
 516         gint                  num = -1;
 517         gint                  i;
 518
 519         priv = GET_PRIV (window);
 520
 521         for (i = 0; i < G_N_ELEMENTS (tab_accel_keys); i++) {
 522                 if (tab_accel_keys[i] == key) {
 523                         num = i;
 524                         break;
 525                 }
 526         }
 527
 528         if (num != -1) {
 529                 gtk_notebook_set_current_page (GTK_NOTEBOOK (priv->notebook), num);
 530         }
 531 }
 532
 533 static void
 534 chat_window_close_clicked_cb (GtkWidget  *button,
 535                               GossipChat *chat)
 536 {
 537         GossipChatWindow *window;
 538
 539         window = gossip_chat_get_window (chat);
 540         gossip_chat_window_remove_chat (window, chat);
 541 }
 542
 543 static void
 544 chat_window_close_button_style_set_cb (GtkWidget *button,
 545                                        GtkStyle  *previous_style,
 546                                        gpointer   user_data)
 547 {
 548         gint h, w;
 549
 550         gtk_icon_size_lookup_for_settings (gtk_widget_get_settings (button),
 551                                            GTK_ICON_SIZE_MENU, &w, &h);
 552
 553         gtk_widget_set_size_request (button, w, h);
 554 }
 555
 556 static GtkWidget *
 557 chat_window_create_label (GossipChatWindow *window,
 558                           GossipChat       *chat)
 559 {
 560         GossipChatWindowPriv *priv;
 561         GtkWidget            *hbox;
 562         GtkWidget            *name_label;
 563         GtkWidget            *status_image;
 564         GtkWidget            *close_button;
 565         GtkWidget            *close_image;
 566         GtkWidget            *event_box;
 567         GtkWidget            *event_box_hbox;
 568         PangoAttrList        *attr_list;
 569         PangoAttribute       *attr;
 570
 571         priv = GET_PRIV (window);
 572
 573         /* The spacing between the button and the label. */
 574         hbox = gtk_hbox_new (FALSE, 0);
 575
 576         event_box = gtk_event_box_new ();
 577         gtk_event_box_set_visible_window (GTK_EVENT_BOX (event_box), FALSE);
 578
 579         name_label = gtk_label_new (gossip_chat_get_name (chat));
 580         gtk_label_set_ellipsize (GTK_LABEL (name_label), PANGO_ELLIPSIZE_END);
 581
 582         attr_list = pango_attr_list_new ();
 583         attr = pango_attr_scale_new (1/1.2);
 584         attr->start_index = 0;
 585         attr->end_index = -1;
 586         pango_attr_list_insert (attr_list, attr);
 587         gtk_label_set_attributes (GTK_LABEL (name_label), attr_list);
 588         pango_attr_list_unref (attr_list);
 589
 590         gtk_misc_set_padding (GTK_MISC (name_label), 2, 0);
 591         gtk_misc_set_alignment (GTK_MISC (name_label), 0.0, 0.5);
 592         g_object_set_data (G_OBJECT (chat), "chat-window-tab-label", name_label);
 593
 594         status_image = gtk_image_new ();
 595
 596         /* Spacing between the icon and label. */
 597         event_box_hbox = gtk_hbox_new (FALSE, 0);
 598
 599         gtk_box_pack_start (GTK_BOX (event_box_hbox), status_image, FALSE, FALSE, 0);
 600         gtk_box_pack_start (GTK_BOX (event_box_hbox), name_label, TRUE, TRUE, 0);
 601
 602         g_object_set_data (G_OBJECT (chat), "chat-window-tab-image", status_image);
 603         g_object_set_data (G_OBJECT (chat), "chat-window-tab-tooltip-widget", event_box);
 604
 605         close_button = gtk_button_new ();
 606         gtk_button_set_relief (GTK_BUTTON (close_button), GTK_RELIEF_NONE);
 607
 608         /* We don't want focus/keynav for the button to avoid clutter, and
 609          * Ctrl-W works anyway.
 610          */
 611         GTK_WIDGET_UNSET_FLAGS (close_button, GTK_CAN_FOCUS);
 612         GTK_WIDGET_UNSET_FLAGS (close_button, GTK_CAN_DEFAULT);
 613
 614         /* Set the name to make the special rc style match. */
 615         gtk_widget_set_name (close_button, "gossip-close-button");
 616
 617         close_image = gtk_image_new_from_stock (GTK_STOCK_CLOSE, GTK_ICON_SIZE_MENU);
 618
 619         gtk_container_add (GTK_CONTAINER (close_button), close_image);
 620
 621         gtk_container_add (GTK_CONTAINER (event_box), event_box_hbox);
 622         gtk_box_pack_start (GTK_BOX (hbox), event_box, TRUE, TRUE, 0);
 623         gtk_box_pack_end (GTK_BOX (hbox), close_button, FALSE, FALSE, 0);
 624
 625         /* React to theme changes and also used to setup the initial size
 626          * correctly.
 627          */
 628         g_signal_connect (close_button,
 629                           "style-set",
 630                           G_CALLBACK (chat_window_close_button_style_set_cb),
 631                           chat);
 632
 633         g_signal_connect (close_button,
 634                           "clicked",
 635                           G_CALLBACK (chat_window_close_clicked_cb),
 636                           chat);
 637
 638         /* Set up tooltip */
 639         chat_window_update_tooltip (window, chat);
 640
 641         gtk_widget_show_all (hbox);
 642
 643         return hbox;
 644 }
 645
 646 static void
 647 chat_window_update_status (GossipChatWindow *window,
 648                            GossipChat       *chat)
 649 {
 650         GossipChatWindowPriv *priv;
 651         GtkImage             *image;
 652         const gchar          *icon_name = NULL;
 653
 654         priv = GET_PRIV (window);
 655
 656         if (g_list_find (priv->chats_new_msg, chat)) {
 657                 icon_name = EMPATHY_IMAGE_MESSAGE;
 658         }
 659         else if (g_list_find (priv->chats_composing, chat)) {
 660                 icon_name = EMPATHY_IMAGE_TYPING;
 661         }
 662         else {
 663                 icon_name = gossip_chat_get_status_icon_name (chat);
 664         }
 665         image = g_object_get_data (G_OBJECT (chat), "chat-window-tab-image");
 666         gtk_image_set_from_icon_name (image, icon_name, GTK_ICON_SIZE_MENU);
 667
 668         chat_window_update_title (window, chat);
 669         chat_window_update_tooltip (window, chat);
 670 }
 671
 672 static void
 673 chat_window_update_title (GossipChatWindow *window,
 674                           GossipChat       *chat)
 675 {
 676         GossipChatWindowPriv    *priv;
 677         const gchar             *str;
 678         gchar                   *title;
 679         gint                     n_chats;
 680
 681         priv = GET_PRIV (window);
 682
 683         n_chats = g_list_length (priv->chats);
 684         if (n_chats == 1) {
 685                 if (priv->chats_new_msg) {
 686                         title = g_strdup_printf (
 687                                 "%s - %s",
 688                                 gossip_chat_get_name (priv->current_chat),
 689                                 _("New Message"));
 690                 }
 691                 else if (gossip_chat_is_group_chat (priv->current_chat)) {
 692                         title = g_strdup_printf (
 693                                 "%s - %s",
 694                                 gossip_chat_get_name (priv->current_chat),
 695                                 _("Chat Room"));
 696                 } else {
 697                         title = g_strdup_printf (
 698                                 "%s - %s",
 699                                 gossip_chat_get_name (priv->current_chat),
 700                                 _("Conversation"));
 701                 }
 702         } else {
 703                 if (priv->chats_new_msg) {
 704                         GString *names;
 705                         GList   *l;
 706                         gint     n_messages = 0;
 707
 708                         names = g_string_new (NULL);
 709
 710                         for (l = priv->chats_new_msg; l; l = l->next) {
 711                                 n_messages++;
 712                                 g_string_append (names,
 713                                                  gossip_chat_get_name (l->data));
 714                                 if (l->next) {
 715                                         g_string_append (names, ", ");
 716                                 }
 717                         }
 718
 719                         str = ngettext ("New Message", "New Messages", n_messages);
 720                         title = g_strdup_printf ("%s - %s", names->str, str);
 721                         g_string_free (names, TRUE);
 722                 } else {
 723                         str = ngettext ("Conversation", "Conversations (%d)", n_chats);
 724                         title = g_strdup_printf (str, n_chats);
 725                 }
 726         }
 727
 728         gtk_window_set_title (GTK_WINDOW (priv->dialog), title);
 729         g_free (title);
 730
 731         if (priv->chats_new_msg) {
 732                 gtk_window_set_icon_name (GTK_WINDOW (priv->dialog),
 733                                           EMPATHY_IMAGE_MESSAGE);
 734         } else {
 735                 gtk_window_set_icon_name (GTK_WINDOW (priv->dialog), NULL);
 736         }
 737 }
 738
 739 static void
 740 chat_window_update_menu (GossipChatWindow *window)
 741 {
 742         GossipChatWindowPriv *priv;
 743         gboolean              first_page;
 744         gboolean              last_page;
 745         gboolean              is_connected;
 746         gint                  num_pages;
 747         gint                  page_num;
 748
 749         priv = GET_PRIV (window);
 750
 751         /* Notebook pages */
 752         page_num = gtk_notebook_get_current_page (GTK_NOTEBOOK (priv->notebook));
 753         num_pages = gtk_notebook_get_n_pages (GTK_NOTEBOOK (priv->notebook));
 754         first_page = (page_num == 0);
 755         last_page = (page_num == (num_pages - 1));
 756
 757         gtk_widget_set_sensitive (priv->menu_tabs_next, !last_page);
 758         gtk_widget_set_sensitive (priv->menu_tabs_prev, !first_page);
 759         gtk_widget_set_sensitive (priv->menu_tabs_detach, num_pages > 1);
 760         gtk_widget_set_sensitive (priv->menu_tabs_left, !first_page);
 761         gtk_widget_set_sensitive (priv->menu_tabs_right, !last_page);
 762
 763         is_connected = gossip_chat_is_connected (priv->current_chat);
 764
 765         if (gossip_chat_is_group_chat (priv->current_chat)) {
 766                 GossipGroupChat       *group_chat;
 767                 GossipChatroom        *chatroom;
 768                 GossipChatroomManager *manager;
 769                 gboolean               show_contacts;
 770
 771                 group_chat = GOSSIP_GROUP_CHAT (priv->current_chat);
 772
 773                 /* Show / Hide widgets */
 774                 gtk_widget_show (priv->menu_room);
 775
 776                 gtk_widget_hide (priv->menu_conv_add_contact);
 777                 gtk_widget_hide (priv->menu_conv_info);
 778                 gtk_widget_hide (priv->menu_conv_separator);
 779
 780                 /* Can we add this room to our favourites and are we
 781                  * connected to the room?
 782                  */
 783                 manager = gossip_chatroom_manager_new ();
 784                 chatroom = gossip_chatroom_manager_find (manager,
 785                                                          priv->current_chat->account,
 786                                                          gossip_chat_get_id (priv->current_chat));
 787                 g_object_unref (manager);
 788
 789                 gtk_widget_set_sensitive (priv->menu_room_add, chatroom == NULL);
 790                 gtk_widget_set_sensitive (priv->menu_conv_insert_smiley, is_connected);
 791                 gtk_widget_set_sensitive (priv->menu_room_join_new, is_connected);
 792                 gtk_widget_set_sensitive (priv->menu_room_invite, is_connected);
 793
 794                 /* We need to block the signal here because all we are
 795                  * really trying to do is check or uncheck the menu
 796                  * item. If we don't do this we get funny behaviour
 797                  * with 2 or more group chat windows where showing
 798                  * contacts doesn't do anything.
 799                  */
 800                 show_contacts = gossip_group_chat_get_show_contacts (group_chat);
 801
 802                 g_signal_handlers_block_by_func (priv->menu_room_show_contacts,
 803                                                  chat_window_show_contacts_toggled_cb,
 804                                                  window);
 805
 806                 g_object_set (priv->menu_room_show_contacts,
 807                               "active", show_contacts,
 808                               NULL);
 809
 810                 g_signal_handlers_unblock_by_func (priv->menu_room_show_contacts,
 811                                                    chat_window_show_contacts_toggled_cb,
 812                                                    window);
 813         } else {
 814                 GossipPrivateChat  *chat;
 815                 GossipSubscription  subscription;
 816                 GossipContact      *contact;
 817
 818                 chat = GOSSIP_PRIVATE_CHAT (priv->current_chat);
 819
 820                 /* Show / Hide widgets */
 821                 gtk_widget_hide (priv->menu_room);
 822
 823                 contact = gossip_private_chat_get_contact (chat);
 824                 subscription = gossip_contact_get_subscription (contact);
 825                 if (!(subscription & GOSSIP_SUBSCRIPTION_FROM)) {
 826                         gtk_widget_show (priv->menu_conv_add_contact);
 827                 } else {
 828                         gtk_widget_hide (priv->menu_conv_add_contact);
 829                 }
 830
 831                 gtk_widget_show (priv->menu_conv_separator);
 832                 gtk_widget_show (priv->menu_conv_info);
 833
 834                 /* Are we connected? */
 835                 gtk_widget_set_sensitive (priv->menu_conv_insert_smiley, is_connected);
 836                 gtk_widget_set_sensitive (priv->menu_conv_add_contact, is_connected);
 837                 gtk_widget_set_sensitive (priv->menu_conv_info, is_connected);
 838         }
 839 }
 840
 841 static void
 842 chat_window_insert_smiley_activate_cb (GtkWidget        *menuitem,
 843                                        GossipChatWindow *window)
 844 {
 845         GossipChatWindowPriv *priv;
 846         GossipChat           *chat;
 847         GtkTextBuffer        *buffer;
 848         GtkTextIter           iter;
 849         const gchar          *smiley;
 850
 851         priv = GET_PRIV (window);
 852
 853         chat = priv->current_chat;
 854
 855         smiley = g_object_get_data (G_OBJECT (menuitem), "smiley_text");
 856
 857         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
 858         gtk_text_buffer_get_end_iter (buffer, &iter);
 859         gtk_text_buffer_insert (buffer, &iter,
 860                                 smiley, -1);
 861 }
 862
 863 static void
 864 chat_window_clear_activate_cb (GtkWidget        *menuitem,
 865                                GossipChatWindow *window)
 866 {
 867         GossipChatWindowPriv *priv;
 868
 869         priv = GET_PRIV (window);
 870
 871         gossip_chat_clear (priv->current_chat);
 872 }
 873
 874 static void
 875 chat_window_add_contact_activate_cb (GtkWidget        *menuitem,
 876                                      GossipChatWindow *window)
 877 {
 878         GossipChatWindowPriv *priv;
 879         //GossipContact        *contact;
 880
 881         priv = GET_PRIV (window);
 882
 883         //contact = gossip_chat_get_contact (priv->current_chat);
 884
 885         // FIXME: gossip_add_contact_dialog_show (NULL, contact);
 886 }
 887
 888 static void
 889 chat_window_log_activate_cb (GtkWidget        *menuitem,
 890                              GossipChatWindow *window)
 891 {
 892 /* FIXME:
 893         GossipChatWindowPriv *priv;
 894
 895         priv = GET_PRIV (window);
 896
 897         if (gossip_chat_is_group_chat (priv->current_chat)) {
 898                 GossipGroupChat *group_chat;
 899                 GossipChatroom  *chatroom;
 900
 901                 group_chat = GOSSIP_GROUP_CHAT (priv->current_chat);
 902                 chatroom = gossip_group_chat_get_chatroom (group_chat);
 903                 gossip_log_window_show (NULL, chatroom);
 904         } else {
 905                 GossipContact *contact;
 906
 907                 contact = gossip_chat_get_contact (priv->current_chat);
 908                 gossip_log_window_show (contact, NULL);
 909         }
 910 */
 911 }
 912
 913 static void
 914 chat_window_info_activate_cb (GtkWidget        *menuitem,
 915                               GossipChatWindow *window)
 916 {
 917         GossipChatWindowPriv *priv;
 918         //GossipContact        *contact;
 919
 920         priv = GET_PRIV (window);
 921 /*FIXME:
 922         contact = gossip_chat_get_contact (priv->current_chat);
 923
 924         gossip_contact_info_dialog_show (contact,
 925                                          GTK_WINDOW (priv->dialog));*/
 926 }
 927
 928 static gboolean
 929 chat_window_save_geometry_timeout_cb (GossipChatWindow *window)
 930 {
 931         GossipChatWindowPriv *priv;
 932         gint                  x, y, w, h;
 933
 934         priv = GET_PRIV (window);
 935
 936         gtk_window_get_size (GTK_WINDOW (priv->dialog), &w, &h);
 937         gtk_window_get_position (GTK_WINDOW (priv->dialog), &x, &y);
 938
 939         gossip_chat_save_geometry (priv->current_chat, x, y, w, h);
 940
 941         priv->save_geometry_id = 0;
 942
 943         return FALSE;
 944 }
 945
 946 static gboolean
 947 chat_window_configure_event_cb (GtkWidget         *widget,
 948                                 GdkEventConfigure *event,
 949                                 GossipChatWindow  *window)
 950 {
 951         GossipChatWindowPriv *priv;
 952
 953         priv = GET_PRIV (window);
 954
 955         /* Only save geometry information if there is ONE chat visible. */
 956         if (g_list_length (priv->chats) > 1) {
 957                 return FALSE;
 958         }
 959
 960         if (priv->save_geometry_id != 0) {
 961                 g_source_remove (priv->save_geometry_id);
 962         }
 963
 964         priv->save_geometry_id =
 965                 g_timeout_add (500,
 966                                (GSourceFunc) chat_window_save_geometry_timeout_cb,
 967                                window);
 968
 969         return FALSE;
 970 }
 971
 972 static void
 973 chat_window_conv_activate_cb (GtkWidget        *menuitem,
 974                               GossipChatWindow *window)
 975 {
 976         GossipChatWindowPriv *priv;
 977         gboolean              log_exists = FALSE;
 978
 979         priv = GET_PRIV (window);
 980 /* FIXME:
 981         if (gossip_chat_is_group_chat (priv->current_chat)) {
 982                 GossipGroupChat *group_chat;
 983                 GossipChatroom  *chatroom;
 984
 985                 group_chat = GOSSIP_GROUP_CHAT (priv->current_chat);
 986                 chatroom = gossip_group_chat_get_chatroom (group_chat);
 987                 if (chatroom) {
 988                         log_exists = gossip_log_exists_for_chatroom (chatroom);
 989                 }
 990         } else {
 991                 GossipContact *contact;
 992
 993                 contact = gossip_chat_get_contact (priv->current_chat);
 994                 if (contact) {
 995                         log_exists = gossip_log_exists_for_contact (contact);
 996                 }
 997         }
 998 */
 999         gtk_widget_set_sensitive (priv->menu_conv_log, log_exists);
1000 }
1001
1002 static void
1003 chat_window_show_contacts_toggled_cb (GtkWidget        *menuitem,
1004                                       GossipChatWindow *window)
1005 {
1006         GossipChatWindowPriv *priv;
1007         gboolean              show;
1008
1009         priv = GET_PRIV (window);
1010
1011         g_return_if_fail (priv->current_chat != NULL);
1012
1013         show = gtk_check_menu_item_get_active (GTK_CHECK_MENU_ITEM (priv->menu_room_show_contacts));
1014         gossip_group_chat_set_show_contacts (GOSSIP_GROUP_CHAT (priv->current_chat), show);
1015 }
1016
1017 static void
1018 chat_window_close_activate_cb (GtkWidget        *menuitem,
1019                                GossipChatWindow *window)
1020 {
1021         GossipChatWindowPriv *priv;
1022
1023         priv = GET_PRIV (window);
1024
1025         g_return_if_fail (priv->current_chat != NULL);
1026
1027         gossip_chat_window_remove_chat (window, priv->current_chat);
1028 }
1029
1030 static void
1031 chat_window_room_set_topic_activate_cb (GtkWidget        *menuitem,
1032                                         GossipChatWindow *window)
1033 {
1034         GossipChatWindowPriv *priv;
1035
1036         priv = GET_PRIV (window);
1037
1038         if (gossip_chat_is_group_chat (priv->current_chat)) {
1039                 GossipGroupChat *group_chat;
1040
1041                 group_chat = GOSSIP_GROUP_CHAT (priv->current_chat);
1042                 gossip_group_chat_set_topic (group_chat);
1043         }
1044 }
1045
1046 static void
1047 chat_window_room_join_new_activate_cb (GtkWidget        *menuitem,
1048                                        GossipChatWindow *window)
1049 {
1050         GossipChatWindowPriv *priv;
1051
1052         priv = GET_PRIV (window);
1053
1054         gossip_new_chatroom_dialog_show (GTK_WINDOW (priv->dialog));
1055 }
1056
1057 static void
1058 chat_window_room_invite_activate_cb (GtkWidget        *menuitem,
1059                                      GossipChatWindow *window)
1060 {
1061 /* FIXME:
1062         GossipChatWindowPriv *priv;
1063         GossipContact        *own_contact;
1064         GossipChatroomId      id = 0;
1065
1066         priv = GET_PRIV (window);
1067         own_contact = gossip_chat_get_own_contact (priv->current_chat);
1068
1069         if (gossip_chat_is_group_chat (priv->current_chat)) {
1070                 GossipGroupChat *group_chat;
1071
1072                 group_chat = GOSSIP_GROUP_CHAT (priv->current_chat);
1073                 id = gossip_group_chat_get_chatroom_id (group_chat);
1074         }
1075
1076         gossip_chat_invite_dialog_show (own_contact, id);
1077 */
1078 }
1079
1080 static void
1081 chat_window_room_add_activate_cb (GtkWidget        *menuitem,
1082                                   GossipChatWindow *window)
1083 {
1084         GossipChatWindowPriv  *priv;
1085         GossipChatroomManager *manager;
1086         GossipChatroom        *chatroom;
1087
1088         priv = GET_PRIV (window);
1089
1090         g_return_if_fail (priv->current_chat != NULL);
1091
1092         if (!gossip_chat_is_group_chat (priv->current_chat)) {
1093                 return;
1094         }
1095
1096         chatroom = gossip_chatroom_new_full (priv->current_chat->account,
1097                                              gossip_chat_get_id (priv->current_chat),
1098                                              gossip_chat_get_name (priv->current_chat),
1099                                              FALSE);
1100
1101         manager = gossip_chatroom_manager_new ();
1102         gossip_chatroom_manager_add (manager, chatroom);
1103         chat_window_update_menu (window);
1104
1105         g_object_unref (chatroom);
1106         g_object_unref (manager);
1107 }
1108
1109 static void
1110 chat_window_edit_activate_cb (GtkWidget        *menuitem,
1111                               GossipChatWindow *window)
1112 {
1113         GossipChatWindowPriv *priv;
1114         GtkClipboard         *clipboard;
1115         GtkTextBuffer        *buffer;
1116         gboolean              text_available;
1117
1118         priv = GET_PRIV (window);
1119
1120         g_return_if_fail (priv->current_chat != NULL);
1121
1122         if (!gossip_chat_is_connected (priv->current_chat)) {
1123                 gtk_widget_set_sensitive (priv->menu_edit_copy, FALSE);
1124                 gtk_widget_set_sensitive (priv->menu_edit_cut, FALSE);
1125                 gtk_widget_set_sensitive (priv->menu_edit_paste, FALSE);
1126                 return;
1127         }
1128
1129         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (priv->current_chat->input_text_view));
1130         if (gtk_text_buffer_get_selection_bounds (buffer, NULL, NULL)) {
1131                 gtk_widget_set_sensitive (priv->menu_edit_copy, TRUE);
1132                 gtk_widget_set_sensitive (priv->menu_edit_cut, TRUE);
1133         } else {
1134                 gboolean selection;
1135
1136                 selection = gossip_chat_view_get_selection_bounds (priv->current_chat->view,
1137                                                                    NULL, NULL);
1138
1139                 gtk_widget_set_sensitive (priv->menu_edit_cut, FALSE);
1140                 gtk_widget_set_sensitive (priv->menu_edit_copy, selection);
1141         }
1142
1143         clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
1144         text_available = gtk_clipboard_wait_is_text_available (clipboard);
1145         gtk_widget_set_sensitive (priv->menu_edit_paste, text_available);
1146 }
1147
1148 static void
1149 chat_window_cut_activate_cb (GtkWidget        *menuitem,
1150                              GossipChatWindow *window)
1151 {
1152         GossipChatWindowPriv *priv;
1153
1154         g_return_if_fail (GOSSIP_IS_CHAT_WINDOW (window));
1155
1156         priv = GET_PRIV (window);
1157
1158         gossip_chat_cut (priv->current_chat);
1159 }
1160
1161 static void
1162 chat_window_copy_activate_cb (GtkWidget        *menuitem,
1163                               GossipChatWindow *window)
1164 {
1165         GossipChatWindowPriv *priv;
1166
1167         g_return_if_fail (GOSSIP_IS_CHAT_WINDOW (window));
1168
1169         priv = GET_PRIV (window);
1170
1171         gossip_chat_copy (priv->current_chat);
1172 }
1173
1174 static void
1175 chat_window_paste_activate_cb (GtkWidget        *menuitem,
1176                                GossipChatWindow *window)
1177 {
1178         GossipChatWindowPriv *priv;
1179
1180         g_return_if_fail (GOSSIP_IS_CHAT_WINDOW (window));
1181
1182         priv = GET_PRIV (window);
1183
1184         gossip_chat_paste (priv->current_chat);
1185 }
1186
1187 static void
1188 chat_window_tabs_left_activate_cb (GtkWidget        *menuitem,
1189                                    GossipChatWindow *window)
1190 {
1191         GossipChatWindowPriv *priv;
1192         GossipChat           *chat;
1193         gint                  index;
1194
1195         priv = GET_PRIV (window);
1196
1197         chat = priv->current_chat;
1198         index = gtk_notebook_get_current_page (GTK_NOTEBOOK (priv->notebook));
1199         if (index <= 0) {
1200                 return;
1201         }
1202
1203         gtk_notebook_reorder_child (GTK_NOTEBOOK (priv->notebook),
1204                                     gossip_chat_get_widget (chat),
1205                                     index - 1);
1206
1207         chat_window_update_menu (window);
1208         chat_window_update_status (window, chat);
1209 }
1210
1211 static void
1212 chat_window_tabs_right_activate_cb (GtkWidget        *menuitem,
1213                                     GossipChatWindow *window)
1214 {
1215         GossipChatWindowPriv *priv;
1216         GossipChat           *chat;
1217         gint                  index;
1218
1219         priv = GET_PRIV (window);
1220
1221         chat = priv->current_chat;
1222         index = gtk_notebook_get_current_page (GTK_NOTEBOOK (priv->notebook));
1223
1224         gtk_notebook_reorder_child (GTK_NOTEBOOK (priv->notebook),
1225                                     gossip_chat_get_widget (chat),
1226                                     index + 1);
1227
1228         chat_window_update_menu (window);
1229         chat_window_update_status (window, chat);
1230 }
1231
1232 static void
1233 chat_window_detach_activate_cb (GtkWidget        *menuitem,
1234                                 GossipChatWindow *window)
1235 {
1236         GossipChatWindowPriv *priv;
1237         GossipChatWindow     *new_window;
1238         GossipChat           *chat;
1239
1240         priv = GET_PRIV (window);
1241
1242         chat = priv->current_chat;
1243         new_window = gossip_chat_window_new ();
1244
1245         gossip_chat_window_move_chat (window, new_window, chat);
1246
1247         priv = GET_PRIV (new_window);
1248         gtk_widget_show (priv->dialog);
1249 }
1250
1251 static gboolean
1252 chat_window_delete_event_cb (GtkWidget        *dialog,
1253                              GdkEvent         *event,
1254                              GossipChatWindow *window)
1255 {
1256         GossipChatWindowPriv *priv;
1257         GList                *list;
1258         GList                *l;
1259
1260         priv = GET_PRIV (window);
1261
1262         gossip_debug (DEBUG_DOMAIN, "Delete event received");
1263
1264         list = g_list_copy (priv->chats);
1265
1266         for (l = list; l; l = l->next) {
1267                 gossip_chat_window_remove_chat (window, l->data);
1268         }
1269
1270         g_list_free (list);
1271
1272         return TRUE;
1273 }
1274
1275 static void
1276 chat_window_status_changed_cb (GossipChat       *chat,
1277                                GossipChatWindow *window)
1278 {
1279         chat_window_update_menu (window);
1280         chat_window_update_status (window, chat);
1281 }
1282
1283 static void
1284 chat_window_update_tooltip (GossipChatWindow *window,
1285                             GossipChat       *chat)
1286 {
1287         GossipChatWindowPriv *priv;
1288         GtkWidget            *widget;
1289         gchar                *current_tooltip;
1290         gchar                *str;
1291
1292         priv = GET_PRIV (window);
1293
1294         current_tooltip = gossip_chat_get_tooltip (chat);
1295
1296         if (g_list_find (priv->chats_composing, chat)) {
1297                 str = g_strconcat (current_tooltip, "\n", _("Typing a message."), NULL);
1298                 g_free (current_tooltip);
1299         } else {
1300                 str = current_tooltip;
1301         }
1302
1303         widget = g_object_get_data (G_OBJECT (chat), "chat-window-tab-tooltip-widget");
1304         gtk_tooltips_set_tip (priv->tooltips,
1305                               widget,
1306                               str,
1307                               NULL);
1308
1309         g_free (str);
1310 }
1311
1312 static void
1313 chat_window_name_changed_cb (GossipChat       *chat,
1314                              const gchar      *name,
1315                              GossipChatWindow *window)
1316 {
1317         GtkLabel *label;
1318
1319         label = g_object_get_data (G_OBJECT (chat), "chat-window-tab-label");
1320
1321         gtk_label_set_text (label, name);
1322 }
1323
1324 static void
1325 chat_window_composing_cb (GossipChat       *chat,
1326                           gboolean          is_composing,
1327                           GossipChatWindow *window)
1328 {
1329         GossipChatWindowPriv *priv;
1330
1331         priv = GET_PRIV (window);
1332
1333         if (is_composing && !g_list_find (priv->chats_composing, chat)) {
1334                 priv->chats_composing = g_list_prepend (priv->chats_composing, chat);
1335         } else {
1336                 priv->chats_composing = g_list_remove (priv->chats_composing, chat);
1337         }
1338
1339         chat_window_update_status (window, chat);
1340 }
1341
1342 static void
1343 chat_window_new_message_cb (GossipChat       *chat,
1344                             GossipMessage    *message,
1345                             gboolean          is_backlog,
1346                             GossipChatWindow *window)
1347 {
1348         GossipChatWindowPriv *priv;
1349         gboolean              has_focus;
1350         gboolean              needs_urgency;
1351
1352         priv = GET_PRIV (window);
1353
1354         has_focus = gossip_chat_window_has_focus (window);
1355
1356         if (has_focus && priv->current_chat == chat) {
1357                 gossip_debug (DEBUG_DOMAIN, "New message, we have focus");
1358                 return;
1359         }
1360
1361         gossip_debug (DEBUG_DOMAIN, "New message, no focus");
1362
1363         needs_urgency = FALSE;
1364         if (gossip_chat_is_group_chat (chat)) {
1365                 if (!is_backlog &&
1366                     gossip_chat_should_highlight_nick (message)) {
1367                         gossip_debug (DEBUG_DOMAIN, "Highlight this nick");
1368                         needs_urgency = TRUE;
1369                 }
1370         } else {
1371                 needs_urgency = TRUE;
1372         }
1373
1374         if (needs_urgency && !has_focus) {
1375                 chat_window_set_urgency_hint (window, TRUE);
1376         }
1377
1378         if (!is_backlog &&
1379             !g_list_find (priv->chats_new_msg, chat)) {
1380                 priv->chats_new_msg = g_list_prepend (priv->chats_new_msg, chat);
1381                 chat_window_update_status (window, chat);
1382         }
1383 }
1384
1385 static GtkNotebook *
1386 chat_window_detach_hook (GtkNotebook *source,
1387                          GtkWidget   *page,
1388                          gint         x,
1389                          gint         y,
1390                          gpointer     user_data)
1391 {
1392         GossipChatWindowPriv *priv;
1393         GossipChatWindow     *window, *new_window;
1394         GossipChat           *chat;
1395
1396         chat = g_object_get_data (G_OBJECT (page), "chat");
1397         window = gossip_chat_get_window (chat);
1398
1399         new_window = gossip_chat_window_new ();
1400         priv = GET_PRIV (new_window);
1401
1402         gossip_debug (DEBUG_DOMAIN, "Detach hook called");
1403
1404         gossip_chat_window_move_chat (window, new_window, chat);
1405
1406         gtk_window_move (GTK_WINDOW (priv->dialog), x, y);
1407         gtk_widget_show (priv->dialog);
1408
1409         return NULL;
1410 }
1411
1412 static void
1413 chat_window_page_switched_cb (GtkNotebook      *notebook,
1414                               GtkNotebookPage  *page,
1415                               gint              page_num,
1416                               GossipChatWindow *window)
1417 {
1418         GossipChatWindowPriv *priv;
1419         GossipChat           *chat;
1420         GtkWidget            *child;
1421
1422         gossip_debug (DEBUG_DOMAIN, "Page switched");
1423
1424         priv = GET_PRIV (window);
1425
1426         child = gtk_notebook_get_nth_page (notebook, page_num);
1427         chat = g_object_get_data (G_OBJECT (child), "chat");
1428
1429         if (priv->page_added) {
1430                 priv->page_added = FALSE;
1431                 gossip_chat_scroll_down (chat);
1432         }
1433         else if (priv->current_chat == chat) {
1434                 return;
1435         }
1436
1437         priv->current_chat = chat;
1438         priv->chats_new_msg = g_list_remove (priv->chats_new_msg, chat);
1439
1440         chat_window_update_menu (window);
1441         chat_window_update_status (window, chat);
1442 }
1443
1444 static void
1445 chat_window_page_reordered_cb (GtkNotebook      *notebook,
1446                                GtkWidget        *widget,
1447                                guint             page_num,
1448                                GossipChatWindow *window)
1449 {
1450         gossip_debug (DEBUG_DOMAIN, "Page reordered");
1451
1452         chat_window_update_menu (window);
1453 }
1454
1455 static void
1456 chat_window_page_added_cb (GtkNotebook      *notebook,
1457                            GtkWidget        *child,
1458                            guint             page_num,
1459                            GossipChatWindow *window)
1460 {
1461         GossipChatWindowPriv *priv;
1462         GossipChat           *chat;
1463
1464         priv = GET_PRIV (window);
1465
1466         /* If we just received DND to the same window, we don't want
1467          * to do anything here like removing the tab and then readding
1468          * it, so we return here and in "page-added".
1469          */
1470         if (priv->dnd_same_window) {
1471                 gossip_debug (DEBUG_DOMAIN, "Page added (back to the same window)");
1472                 priv->dnd_same_window = FALSE;
1473                 return;
1474         }
1475
1476         gossip_debug (DEBUG_DOMAIN, "Page added");
1477
1478         /* Get chat object */
1479         chat = g_object_get_data (G_OBJECT (child), "chat");
1480
1481         /* Set the chat window */
1482         gossip_chat_set_window (chat, window);
1483
1484         /* Connect chat signals for this window */
1485         g_signal_connect (chat, "status-changed",
1486                           G_CALLBACK (chat_window_status_changed_cb),
1487                           window);
1488         g_signal_connect (chat, "name-changed",
1489                           G_CALLBACK (chat_window_name_changed_cb),
1490                           window);
1491         g_signal_connect (chat, "composing",
1492                           G_CALLBACK (chat_window_composing_cb),
1493                           window);
1494         g_signal_connect (chat, "new-message",
1495                           G_CALLBACK (chat_window_new_message_cb),
1496                           window);
1497
1498         /* Set flag so we know to perform some special operations on
1499          * switch page due to the new page being added.
1500          */
1501         priv->page_added = TRUE;
1502
1503         /* Get list of chats up to date */
1504         priv->chats = g_list_append (priv->chats, chat);
1505 }
1506
1507 static void
1508 chat_window_page_removed_cb (GtkNotebook      *notebook,
1509                              GtkWidget        *child,
1510                              guint             page_num,
1511                              GossipChatWindow *window)
1512 {
1513         GossipChatWindowPriv *priv;
1514         GossipChat           *chat;
1515
1516         priv = GET_PRIV (window);
1517
1518         /* If we just received DND to the same window, we don't want
1519          * to do anything here like removing the tab and then readding
1520          * it, so we return here and in "page-added".
1521          */
1522         if (priv->dnd_same_window) {
1523                 gossip_debug (DEBUG_DOMAIN, "Page removed (and will be readded to same window)");
1524                 return;
1525         }
1526
1527         gossip_debug (DEBUG_DOMAIN, "Page removed");
1528
1529         /* Get chat object */
1530         chat = g_object_get_data (G_OBJECT (child), "chat");
1531
1532         /* Unset the window associated with a chat */
1533         gossip_chat_set_window (chat, NULL);
1534
1535         /* Disconnect all signal handlers for this chat and this window */
1536         g_signal_handlers_disconnect_by_func (chat,
1537                                               G_CALLBACK (chat_window_status_changed_cb),
1538                                               window);
1539         g_signal_handlers_disconnect_by_func (chat,
1540                                               G_CALLBACK (chat_window_name_changed_cb),
1541                                               window);
1542         g_signal_handlers_disconnect_by_func (chat,
1543                                               G_CALLBACK (chat_window_composing_cb),
1544                                               window);
1545         g_signal_handlers_disconnect_by_func (chat,
1546                                               G_CALLBACK (chat_window_new_message_cb),
1547                                               window);
1548
1549         /* Keep list of chats up to date */
1550         priv->chats = g_list_remove (priv->chats, chat);
1551         priv->chats_new_msg = g_list_remove (priv->chats_new_msg, chat);
1552         priv->chats_composing = g_list_remove (priv->chats_composing, chat);
1553
1554         if (priv->chats == NULL) {
1555                 g_object_unref (window);
1556         } else {
1557                 chat_window_update_menu (window);
1558                 chat_window_update_title (window, NULL);
1559         }
1560 }
1561
1562 static gboolean
1563 chat_window_focus_in_event_cb (GtkWidget        *widget,
1564                                GdkEvent         *event,
1565                                GossipChatWindow *window)
1566 {
1567         GossipChatWindowPriv *priv;
1568
1569         gossip_debug (DEBUG_DOMAIN, "Focus in event, updating title");
1570
1571         priv = GET_PRIV (window);
1572
1573         priv->chats_new_msg = g_list_remove (priv->chats_new_msg, priv->current_chat);
1574
1575         chat_window_set_urgency_hint (window, FALSE);
1576
1577         /* Update the title, since we now mark all unread messages as read. */
1578         chat_window_update_status (window, priv->current_chat);
1579
1580         return FALSE;
1581 }
1582
1583 static void
1584 chat_window_drag_data_received (GtkWidget        *widget,
1585                                 GdkDragContext   *context,
1586                                 int               x,
1587                                 int               y,
1588                                 GtkSelectionData *selection,
1589                                 guint             info,
1590                                 guint             time,
1591                                 GossipChatWindow *window)
1592 {
1593         /* FIXME: DnD of contact do not seems to work... */
1594         if (info == DND_DRAG_TYPE_CONTACT_ID) {
1595                 EmpathyContactManager *manager;
1596                 GossipContact         *contact;
1597                 GossipChat            *chat;
1598                 GossipChatWindow      *old_window;
1599                 McAccount             *account;
1600                 const gchar           *id = NULL;
1601
1602                 if (selection) {
1603                         id = (const gchar*) selection->data;
1604                 }
1605
1606                 gossip_debug (DEBUG_DOMAIN, "DND contact from roster with id:'%s'", id);
1607
1608                 manager = empathy_contact_manager_new ();
1609                 contact = empathy_contact_list_find (EMPATHY_CONTACT_LIST (manager), id);
1610                 g_object_unref (manager);
1611
1612                 if (!contact) {
1613                         gossip_debug (DEBUG_DOMAIN, "DND contact from roster not found");
1614                         return;
1615                 }
1616
1617                 account = gossip_contact_get_account (contact);
1618                 chat = gossip_chat_window_find_chat (account, id);
1619                 old_window = gossip_chat_get_window (chat);
1620
1621                 if (old_window) {
1622                         if (old_window == window) {
1623                                 gtk_drag_finish (context, TRUE, FALSE, time);
1624                                 return;
1625                         }
1626
1627                         gossip_chat_window_move_chat (old_window, window, chat);
1628                 } else {
1629                         gossip_chat_window_add_chat (window, chat);
1630                 }
1631
1632                 /* Added to take care of any outstanding chat events */
1633                 gossip_chat_present (chat);
1634
1635                 /* We should return TRUE to remove the data when doing
1636                  * GDK_ACTION_MOVE, but we don't here otherwise it has
1637                  * weird consequences, and we handle that internally
1638                  * anyway with add_chat() and remove_chat().
1639                  */
1640                 gtk_drag_finish (context, TRUE, FALSE, time);
1641         }
1642         else if (info == DND_DRAG_TYPE_TAB) {
1643                 GossipChat        *chat = NULL;
1644                 GossipChatWindow  *old_window;
1645                 GtkWidget        **child = NULL;
1646
1647                 gossip_debug (DEBUG_DOMAIN, "DND tab");
1648
1649                 if (selection) {
1650                         child = (void*) selection->data;
1651                 }
1652
1653                 if (child) {
1654                         chat = g_object_get_data (G_OBJECT (*child), "chat");
1655                 }
1656
1657                 old_window = gossip_chat_get_window (chat);
1658                 if (old_window) {
1659                         GossipChatWindowPriv *priv;
1660
1661                         priv = GET_PRIV (window);
1662
1663                         if (old_window == window) {
1664                                 gossip_debug (DEBUG_DOMAIN, "DND tab (within same window)");
1665                                 priv->dnd_same_window = TRUE;
1666                                 gtk_drag_finish (context, TRUE, FALSE, time);
1667                                 return;
1668                         }
1669
1670                         priv->dnd_same_window = FALSE;
1671                 }
1672
1673                 /* We should return TRUE to remove the data when doing
1674                  * GDK_ACTION_MOVE, but we don't here otherwise it has
1675                  * weird consequences, and we handle that internally
1676                  * anyway with add_chat() and remove_chat().
1677                  */
1678                 gtk_drag_finish (context, TRUE, FALSE, time);
1679         } else {
1680                 gossip_debug (DEBUG_DOMAIN, "DND from unknown source");
1681                 gtk_drag_finish (context, FALSE, FALSE, time);
1682         }
1683 }
1684
1685 static gboolean
1686 chat_window_urgency_timeout_func (GossipChatWindow *window)
1687 {
1688         GossipChatWindowPriv *priv;
1689
1690         priv = GET_PRIV (window);
1691
1692         gossip_debug (DEBUG_DOMAIN, "Turning off urgency hint");
1693         gtk_window_set_urgency_hint (GTK_WINDOW (priv->dialog), FALSE);
1694
1695         priv->urgency_timeout_id = 0;
1696
1697         return FALSE;
1698 }
1699
1700 static void
1701 chat_window_set_urgency_hint (GossipChatWindow *window,
1702                               gboolean          urgent)
1703 {
1704         GossipChatWindowPriv *priv;
1705
1706         priv = GET_PRIV (window);
1707
1708         if (!urgent) {
1709                 /* Remove any existing hint and timeout. */
1710                 if (priv->urgency_timeout_id) {
1711                         gossip_debug (DEBUG_DOMAIN, "Turning off urgency hint");
1712                         gtk_window_set_urgency_hint (GTK_WINDOW (priv->dialog), FALSE);
1713                         g_source_remove (priv->urgency_timeout_id);
1714                         priv->urgency_timeout_id = 0;
1715                 }
1716                 return;
1717         }
1718
1719         /* Add a new hint and renew any exising timeout or add a new one. */
1720         if (priv->urgency_timeout_id) {
1721                 g_source_remove (priv->urgency_timeout_id);
1722         } else {
1723                 gossip_debug (DEBUG_DOMAIN, "Turning on urgency hint");
1724                 gtk_window_set_urgency_hint (GTK_WINDOW (priv->dialog), TRUE);
1725         }
1726
1727         priv->urgency_timeout_id = g_timeout_add (
1728                 URGENCY_TIMEOUT,
1729                 (GSourceFunc) chat_window_urgency_timeout_func,
1730                 window);
1731 }
1732
1733 GossipChatWindow *
1734 gossip_chat_window_new (void)
1735 {
1736         return GOSSIP_CHAT_WINDOW (g_object_new (GOSSIP_TYPE_CHAT_WINDOW, NULL));
1737 }
1738
1739 GtkWidget *
1740 gossip_chat_window_get_dialog (GossipChatWindow *window)
1741 {
1742         GossipChatWindowPriv *priv;
1743
1744         g_return_val_if_fail (window != NULL, NULL);
1745
1746         priv = GET_PRIV (window);
1747
1748         return priv->dialog;
1749 }
1750
1751 void
1752 gossip_chat_window_add_chat (GossipChatWindow *window,
1753                              GossipChat       *chat)
1754 {
1755         GossipChatWindowPriv *priv;
1756         GtkWidget            *label;
1757         GtkWidget            *child;
1758
1759         priv = GET_PRIV (window);
1760
1761         /* Reference the chat object */
1762         g_object_ref (chat);
1763
1764         /* Set the chat window */
1765         gossip_chat_set_window (chat, window);
1766
1767         if (g_list_length (priv->chats) == 0) {
1768                 gint x, y, w, h;
1769
1770                 gossip_chat_load_geometry (chat, &x, &y, &w, &h);
1771
1772                 if (x >= 0 && y >= 0) {
1773                         /* Let the window manager position it if we don't have
1774                          * good x, y coordinates.
1775                          */
1776                         gtk_window_move (GTK_WINDOW (priv->dialog), x, y);
1777                 }
1778
1779                 if (w > 0 && h > 0) {
1780                         /* Use the defaults from the glade file if we don't have
1781                          * good w, h geometry.
1782                          */
1783                         gtk_window_resize (GTK_WINDOW (priv->dialog), w, h);
1784                 }
1785         }
1786
1787         child = gossip_chat_get_widget (chat);
1788         label = chat_window_create_label (window, chat);
1789
1790         gtk_notebook_append_page (GTK_NOTEBOOK (priv->notebook), child, label);
1791         gtk_notebook_set_tab_reorderable (GTK_NOTEBOOK (priv->notebook), child, TRUE);
1792         gtk_notebook_set_tab_detachable (GTK_NOTEBOOK (priv->notebook), child, TRUE);
1793         gtk_notebook_set_tab_label_packing (GTK_NOTEBOOK (priv->notebook), child,
1794                                             TRUE, TRUE, GTK_PACK_START);
1795
1796         gossip_debug (DEBUG_DOMAIN,
1797                       "Chat added (%d references)",
1798                       G_OBJECT (chat)->ref_count);
1799 }
1800
1801 void
1802 gossip_chat_window_remove_chat (GossipChatWindow *window,
1803                                 GossipChat       *chat)
1804 {
1805         GossipChatWindowPriv *priv;
1806         gint                  position;
1807
1808         priv = GET_PRIV (window);
1809
1810         position = gtk_notebook_page_num (GTK_NOTEBOOK (priv->notebook),
1811                                           gossip_chat_get_widget (chat));
1812         gtk_notebook_remove_page (GTK_NOTEBOOK (priv->notebook), position);
1813
1814         gossip_debug (DEBUG_DOMAIN,
1815                       "Chat removed (%d references)",
1816                       G_OBJECT (chat)->ref_count - 1);
1817
1818         g_object_unref (chat);
1819 }
1820
1821 void
1822 gossip_chat_window_move_chat (GossipChatWindow *old_window,
1823                               GossipChatWindow *new_window,
1824                               GossipChat       *chat)
1825 {
1826         GtkWidget *widget;
1827
1828         g_return_if_fail (GOSSIP_IS_CHAT_WINDOW (old_window));
1829         g_return_if_fail (GOSSIP_IS_CHAT_WINDOW (new_window));
1830         g_return_if_fail (GOSSIP_IS_CHAT (chat));
1831
1832         widget = gossip_chat_get_widget (chat);
1833
1834         gossip_debug (DEBUG_DOMAIN,
1835                       "Chat moving with widget:%p (%d references)",
1836                       widget,
1837                       G_OBJECT (widget)->ref_count);
1838
1839         /* We reference here to make sure we don't loose the widget
1840          * and the GossipChat object during the move.
1841          */
1842         g_object_ref (chat);
1843         g_object_ref (widget);
1844
1845         gossip_chat_window_remove_chat (old_window, chat);
1846         gossip_chat_window_add_chat (new_window, chat);
1847
1848         g_object_unref (widget);
1849         g_object_unref (chat);
1850 }
1851
1852 void
1853 gossip_chat_window_switch_to_chat (GossipChatWindow *window,
1854                                    GossipChat       *chat)
1855 {
1856         GossipChatWindowPriv *priv;
1857         gint                  page_num;
1858
1859         priv = GET_PRIV (window);
1860
1861         page_num = gtk_notebook_page_num (GTK_NOTEBOOK (priv->notebook),
1862                                           gossip_chat_get_widget (chat));
1863         gtk_notebook_set_current_page (GTK_NOTEBOOK (priv->notebook),
1864                                        page_num);
1865 }
1866
1867 gboolean
1868 gossip_chat_window_has_focus (GossipChatWindow *window)
1869 {
1870         GossipChatWindowPriv *priv;
1871         gboolean              has_focus;
1872
1873         g_return_val_if_fail (GOSSIP_IS_CHAT_WINDOW (window), FALSE);
1874
1875         priv = GET_PRIV (window);
1876
1877         g_object_get (priv->dialog, "has-toplevel-focus", &has_focus, NULL);
1878
1879         return has_focus;
1880 }
1881
1882 GossipChat *
1883 gossip_chat_window_find_chat (McAccount   *account,
1884                               const gchar *id)
1885 {
1886         GList *l;
1887
1888         for (l = chat_windows; l; l = l->next) {
1889                 GossipChatWindowPriv *priv;
1890                 GossipChatWindow     *window;
1891                 GList                *ll;
1892
1893                 window = l->data;
1894                 priv = GET_PRIV (window);
1895
1896                 for (ll = priv->chats; ll; ll = ll->next) {
1897                         GossipChat *chat;
1898
1899                         chat = ll->data;
1900
1901                         if (gossip_account_equal (account, chat->account) &&
1902                             strcmp (id, gossip_chat_get_id (chat)) == 0) {
1903                                 return chat;
1904                         }
1905                 }
1906         }
1907
1908         return NULL;
1909 }
1910