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