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