libempathy-gtk/gossip-contact-list-store.c

   1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
   2 /*
   3  * Copyright (C) 2005-2007 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  *          Martyn Russell <martyn@imendio.com>
  23  *          Xavier Claessens <xclaesse@gmail.com>
  24  */
  25
  26 #include "config.h"
  27
  28 #include <string.h>
  29
  30 #include <glib.h>
  31 #include <gtk/gtk.h>
  32
  33 #include <libempathy/gossip-debug.h>
  34
  35 #include "gossip-contact-list-store.h"
  36 #include "gossip-contact-groups.h"
  37 #include "gossip-ui-utils.h"
  38
  39 #define DEBUG_DOMAIN "ContactListStore"
  40
  41 /* Active users are those which have recently changed state
  42  * (e.g. online, offline or from normal to a busy state).
  43  */
  44
  45 /* Time user is shown as active */
  46 #define ACTIVE_USER_SHOW_TIME 7000
  47
  48 /* Time after connecting which we wait before active users are enabled */
  49 #define ACTIVE_USER_WAIT_TO_ENABLE_TIME 5000
  50
  51 #define GET_PRIV(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), GOSSIP_TYPE_CONTACT_LIST_STORE, GossipContactListStorePriv))
  52
  53 struct _GossipContactListStorePriv {
  54         EmpathyContactList         *list;
  55         gboolean                    show_offline;
  56         gboolean                    show_avatars;
  57         gboolean                    is_compact;
  58         gboolean                    show_active;
  59         GossipContactListStoreSort  sort_criterium;
  60
  61         GossipContactGroupsFunc     get_contact_groups;
  62         gpointer                    get_contact_groups_data;
  63 };
  64
  65 typedef struct {
  66         GtkTreeIter  iter;
  67         const gchar *name;
  68         gboolean     found;
  69 } FindGroup;
  70
  71 typedef struct {
  72         GossipContact *contact;
  73         gboolean       found;
  74         GList         *iters;
  75 } FindContact;
  76
  77 typedef struct {
  78         GossipContactListStore *store;
  79         GossipContact          *contact;
  80         gboolean                remove;
  81 } ShowActiveData;
  82
  83 static void             gossip_contact_list_store_class_init         (GossipContactListStoreClass *klass);
  84 static void             gossip_contact_list_store_init               (GossipContactListStore      *list);
  85 static void             contact_list_store_finalize                  (GObject                     *object);
  86 static void             contact_list_store_get_property              (GObject                     *object,
  87                                                                       guint                        param_id,
  88                                                                       GValue                      *value,
  89                                                                       GParamSpec                  *pspec);
  90 static void             contact_list_store_set_property              (GObject                     *object,
  91                                                                       guint                        param_id,
  92                                                                       const GValue                *value,
  93                                                                       GParamSpec                  *pspec);
  94 static void             contact_list_store_setup                     (GossipContactListStore      *store);
  95 static void             contact_list_store_contact_added_cb          (EmpathyContactList          *list_iface,
  96                                                                       GossipContact               *contact,
  97                                                                       GossipContactListStore      *store);
  98 static void             contact_list_store_add_contact               (GossipContactListStore      *store,
  99                                                                       GossipContact               *contact);
 100 static void             contact_list_store_contact_removed_cb        (EmpathyContactList          *list_iface,
 101                                                                       GossipContact               *contact,
 102                                                                       GossipContactListStore      *store);
 103 static void             contact_list_store_remove_contact            (GossipContactListStore      *store,
 104                                                                       GossipContact               *contact);
 105 static void             contact_list_store_contact_update            (GossipContactListStore      *store,
 106                                                                       GossipContact               *contact);
 107 static void             contact_list_store_contact_groups_updated_cb (GossipContact               *contact,
 108                                                                       GParamSpec                  *param,
 109                                                                       GossipContactListStore      *store);
 110 static void             contact_list_store_contact_updated_cb        (GossipContact               *contact,
 111                                                                       GParamSpec                  *param,
 112                                                                       GossipContactListStore      *store);
 113 static void             contact_list_store_contact_set_active        (GossipContactListStore      *store,
 114                                                                       GossipContact               *contact,
 115                                                                       gboolean                     active,
 116                                                                       gboolean                     set_changed);
 117 static ShowActiveData * contact_list_store_contact_active_new        (GossipContactListStore      *store,
 118                                                                       GossipContact               *contact,
 119                                                                       gboolean                     remove);
 120 static void             contact_list_store_contact_active_free       (ShowActiveData              *data);
 121 static gboolean         contact_list_store_contact_active_cb         (ShowActiveData              *data);
 122 static gboolean         contact_list_store_get_group_foreach         (GtkTreeModel                *model,
 123                                                                       GtkTreePath                 *path,
 124                                                                       GtkTreeIter                 *iter,
 125                                                                       FindGroup                   *fg);
 126 static void             contact_list_store_get_group                 (GossipContactListStore      *store,
 127                                                                       const gchar                 *name,
 128                                                                       GtkTreeIter                 *iter_group_to_set,
 129                                                                       GtkTreeIter                 *iter_separator_to_set,
 130                                                                       gboolean                    *created);
 131 static gint             contact_list_store_state_sort_func           (GtkTreeModel                *model,
 132                                                                       GtkTreeIter                 *iter_a,
 133                                                                       GtkTreeIter                 *iter_b,
 134                                                                       gpointer                     user_data);
 135 static gint             contact_list_store_name_sort_func            (GtkTreeModel                *model,
 136                                                                       GtkTreeIter                 *iter_a,
 137                                                                       GtkTreeIter                 *iter_b,
 138                                                                       gpointer                     user_data);
 139 static gboolean         contact_list_store_find_contact_foreach      (GtkTreeModel                *model,
 140                                                                       GtkTreePath                 *path,
 141                                                                       GtkTreeIter                 *iter,
 142                                                                       FindContact                 *fc);
 143 static GList *          contact_list_store_find_contact              (GossipContactListStore      *store,
 144                                                                       GossipContact               *contact);
 145 static gboolean         contact_list_store_update_list_mode_foreach  (GtkTreeModel                *model,
 146                                                                       GtkTreePath                 *path,
 147                                                                       GtkTreeIter                 *iter,
 148                                                                       GossipContactListStore      *store);
 149
 150 enum {
 151         PROP_0,
 152         PROP_SHOW_OFFLINE,
 153         PROP_SHOW_AVATARS,
 154         PROP_IS_COMPACT,
 155         PROP_SORT_CRITERIUM
 156 };
 157
 158 GType
 159 gossip_contact_list_store_sort_get_type (void)
 160 {
 161         static GType etype = 0;
 162
 163         if (etype == 0) {
 164                 static const GEnumValue values[] = {
 165                         { GOSSIP_CONTACT_LIST_STORE_SORT_NAME,
 166                           "GOSSIP_CONTACT_LIST_STORE_SORT_NAME",
 167                           "name" },
 168                         { GOSSIP_CONTACT_LIST_STORE_SORT_STATE,
 169                           "GOSSIP_CONTACT_LIST_STORE_SORT_STATE",
 170                           "state" },
 171                         { 0, NULL, NULL }
 172                 };
 173
 174                 etype = g_enum_register_static ("GossipContactListStoreSort", values);
 175         }
 176
 177         return etype;
 178 }
 179
 180 G_DEFINE_TYPE (GossipContactListStore, gossip_contact_list_store, GTK_TYPE_TREE_STORE);
 181
 182 static void
 183 gossip_contact_list_store_class_init (GossipContactListStoreClass *klass)
 184 {
 185         GObjectClass *object_class = G_OBJECT_CLASS (klass);
 186
 187         object_class->finalize = contact_list_store_finalize;
 188         object_class->get_property = contact_list_store_get_property;
 189         object_class->set_property = contact_list_store_set_property;
 190
 191         g_object_class_install_property (object_class,
 192                                          PROP_SHOW_OFFLINE,
 193                                          g_param_spec_boolean ("show-offline",
 194                                                                "Show Offline",
 195                                                                "Whether contact list should display "
 196                                                                "offline contacts",
 197                                                                FALSE,
 198                                                                G_PARAM_READWRITE));
 199          g_object_class_install_property (object_class,
 200                                           PROP_SHOW_AVATARS,
 201                                           g_param_spec_boolean ("show-avatars",
 202                                                                 "Show Avatars",
 203                                                                 "Whether contact list should display "
 204                                                                 "avatars for contacts",
 205                                                                 TRUE,
 206                                                                 G_PARAM_READWRITE));
 207         g_object_class_install_property (object_class,
 208                                          PROP_IS_COMPACT,
 209                                          g_param_spec_boolean ("is-compact",
 210                                                                "Is Compact",
 211                                                                "Whether the contact list is in compact mode or not",
 212                                                                FALSE,
 213                                                                G_PARAM_READWRITE));
 214
 215         g_object_class_install_property (object_class,
 216                                          PROP_SORT_CRITERIUM,
 217                                          g_param_spec_enum ("sort-criterium",
 218                                                             "Sort citerium",
 219                                                             "The sort criterium to use for sorting the contact list",
 220                                                             GOSSIP_TYPE_CONTACT_LIST_STORE_SORT,
 221                                                             GOSSIP_CONTACT_LIST_STORE_SORT_NAME,
 222                                                             G_PARAM_READWRITE));
 223
 224         g_type_class_add_private (object_class, sizeof (GossipContactListStorePriv));
 225 }
 226
 227 static void
 228 gossip_contact_list_store_init (GossipContactListStore *store)
 229 {
 230         GossipContactListStorePriv *priv;
 231
 232         priv = GET_PRIV (store);
 233
 234         priv->is_compact = FALSE;
 235         priv->show_active = TRUE;
 236         priv->show_avatars = TRUE;
 237 }
 238
 239 static void
 240 contact_list_store_finalize (GObject *object)
 241 {
 242         GossipContactListStorePriv *priv;
 243
 244         priv = GET_PRIV (object);
 245
 246         /* FIXME: disconnect all signals on the list and contacts */
 247
 248         if (priv->list) {
 249                 g_object_unref (priv->list);
 250         }
 251
 252         G_OBJECT_CLASS (gossip_contact_list_store_parent_class)->finalize (object);
 253 }
 254
 255 static void
 256 contact_list_store_get_property (GObject    *object,
 257                                  guint       param_id,
 258                                  GValue     *value,
 259                                  GParamSpec *pspec)
 260 {
 261         GossipContactListStorePriv *priv;
 262
 263         priv = GET_PRIV (object);
 264
 265         switch (param_id) {
 266         case PROP_SHOW_OFFLINE:
 267                 g_value_set_boolean (value, priv->show_offline);
 268                 break;
 269         case PROP_SHOW_AVATARS:
 270                 g_value_set_boolean (value, priv->show_avatars);
 271                 break;
 272         case PROP_IS_COMPACT:
 273                 g_value_set_boolean (value, priv->is_compact);
 274                 break;
 275         case PROP_SORT_CRITERIUM:
 276                 g_value_set_enum (value, priv->sort_criterium);
 277                 break;
 278         default:
 279                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 280                 break;
 281         };
 282 }
 283
 284 static void
 285 contact_list_store_set_property (GObject      *object,
 286                                  guint         param_id,
 287                                  const GValue *value,
 288                                  GParamSpec   *pspec)
 289 {
 290         GossipContactListStorePriv *priv;
 291
 292         priv = GET_PRIV (object);
 293
 294         switch (param_id) {
 295         case PROP_SHOW_OFFLINE:
 296                 gossip_contact_list_store_set_show_offline (GOSSIP_CONTACT_LIST_STORE (object),
 297                                                             g_value_get_boolean (value));
 298                 break;
 299         case PROP_SHOW_AVATARS:
 300                 gossip_contact_list_store_set_show_avatars (GOSSIP_CONTACT_LIST_STORE (object),
 301                                                             g_value_get_boolean (value));
 302                 break;
 303         case PROP_IS_COMPACT:
 304                 gossip_contact_list_store_set_is_compact (GOSSIP_CONTACT_LIST_STORE (object),
 305                                                           g_value_get_boolean (value));
 306                 break;
 307         case PROP_SORT_CRITERIUM:
 308                 gossip_contact_list_store_set_sort_criterium (GOSSIP_CONTACT_LIST_STORE (object),
 309                                                               g_value_get_enum (value));
 310                 break;
 311         default:
 312                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 313                 break;
 314         };
 315 }
 316
 317 GossipContactListStore *
 318 gossip_contact_list_store_new (EmpathyContactList *list_iface)
 319 {
 320         GossipContactListStore     *store;
 321         GossipContactListStorePriv *priv;
 322         GList                      *contacts, *l;
 323
 324         g_return_val_if_fail (EMPATHY_IS_CONTACT_LIST (list_iface), NULL);
 325
 326         store = g_object_new (GOSSIP_TYPE_CONTACT_LIST_STORE, NULL);
 327         priv = GET_PRIV (store);
 328
 329         contact_list_store_setup (store);
 330         priv->list = g_object_ref (list_iface);
 331
 332         /* Signal connection. */
 333         g_signal_connect (priv->list,
 334                           "contact-added",
 335                           G_CALLBACK (contact_list_store_contact_added_cb),
 336                           store);
 337         g_signal_connect (priv->list,
 338                           "contact-removed",
 339                           G_CALLBACK (contact_list_store_contact_removed_cb),
 340                           store);
 341
 342         /* Add contacts already created */
 343         contacts = empathy_contact_list_get_contacts (priv->list);
 344         for (l = contacts; l; l = l->next) {
 345                 GossipContact *contact;
 346
 347                 contact = l->data;
 348
 349                 contact_list_store_contact_added_cb (priv->list, contact, store);
 350
 351                 g_object_unref (contact);
 352         }
 353         g_list_free (contacts);
 354
 355         return store;
 356 }
 357
 358 EmpathyContactList *
 359 gossip_contact_list_store_get_list_iface (GossipContactListStore *store)
 360 {
 361         GossipContactListStorePriv *priv;
 362
 363         g_return_val_if_fail (GOSSIP_IS_CONTACT_LIST_STORE (store), FALSE);
 364
 365         priv = GET_PRIV (store);
 366
 367         return priv->list;
 368 }
 369
 370 gboolean
 371 gossip_contact_list_store_get_show_offline (GossipContactListStore *store)
 372 {
 373         GossipContactListStorePriv *priv;
 374
 375         g_return_val_if_fail (GOSSIP_IS_CONTACT_LIST_STORE (store), FALSE);
 376
 377         priv = GET_PRIV (store);
 378
 379         return priv->show_offline;
 380 }
 381
 382 void
 383 gossip_contact_list_store_set_show_offline (GossipContactListStore *store,
 384                                             gboolean                show_offline)
 385 {
 386         GossipContactListStorePriv *priv;
 387         GList                      *contacts, *l;
 388         gboolean                    show_active;
 389
 390         g_return_if_fail (GOSSIP_IS_CONTACT_LIST_STORE (store));
 391
 392         priv = GET_PRIV (store);
 393
 394         priv->show_offline = show_offline;
 395         show_active = priv->show_active;
 396
 397         /* Disable temporarily. */
 398         priv->show_active = FALSE;
 399
 400         contacts = empathy_contact_list_get_contacts (priv->list);
 401         for (l = contacts; l; l = l->next) {
 402                 GossipContact *contact;
 403
 404                 contact = GOSSIP_CONTACT (l->data);
 405
 406                 contact_list_store_contact_update (store, contact);
 407
 408                 g_object_unref (contact);
 409         }
 410         g_list_free (contacts);
 411
 412         /* Restore to original setting. */
 413         priv->show_active = show_active;
 414 }
 415
 416 gboolean
 417 gossip_contact_list_store_get_show_avatars (GossipContactListStore *store)
 418 {
 419         GossipContactListStorePriv *priv;
 420
 421         g_return_val_if_fail (GOSSIP_IS_CONTACT_LIST_STORE (store), TRUE);
 422
 423         priv = GET_PRIV (store);
 424
 425         return priv->show_avatars;
 426 }
 427
 428 void
 429 gossip_contact_list_store_set_show_avatars (GossipContactListStore *store,
 430                                             gboolean                show_avatars)
 431 {
 432         GossipContactListStorePriv *priv;
 433         GtkTreeModel               *model;
 434
 435         g_return_if_fail (GOSSIP_IS_CONTACT_LIST_STORE (store));
 436
 437         priv = GET_PRIV (store);
 438
 439         priv->show_avatars = show_avatars;
 440
 441         model = GTK_TREE_MODEL (store);
 442
 443         gtk_tree_model_foreach (model,
 444                                 (GtkTreeModelForeachFunc)
 445                                 contact_list_store_update_list_mode_foreach,
 446                                 store);
 447 }
 448
 449 gboolean
 450 gossip_contact_list_store_get_is_compact (GossipContactListStore *store)
 451 {
 452         GossipContactListStorePriv *priv;
 453
 454         g_return_val_if_fail (GOSSIP_IS_CONTACT_LIST_STORE (store), TRUE);
 455
 456         priv = GET_PRIV (store);
 457
 458         return priv->is_compact;
 459 }
 460
 461 void
 462 gossip_contact_list_store_set_is_compact (GossipContactListStore *store,
 463                                           gboolean                is_compact)
 464 {
 465         GossipContactListStorePriv *priv;
 466         GtkTreeModel               *model;
 467
 468         g_return_if_fail (GOSSIP_IS_CONTACT_LIST_STORE (store));
 469
 470         priv = GET_PRIV (store);
 471
 472         priv->is_compact = is_compact;
 473
 474         model = GTK_TREE_MODEL (store);
 475
 476         gtk_tree_model_foreach (model,
 477                                 (GtkTreeModelForeachFunc)
 478                                 contact_list_store_update_list_mode_foreach,
 479                                 store);
 480 }
 481
 482 GossipContactListStoreSort
 483 gossip_contact_list_store_get_sort_criterium (GossipContactListStore *store)
 484 {
 485         GossipContactListStorePriv *priv;
 486
 487         g_return_val_if_fail (GOSSIP_IS_CONTACT_LIST_STORE (store), 0);
 488
 489         priv = GET_PRIV (store);
 490
 491         return priv->sort_criterium;
 492 }
 493
 494 void
 495 gossip_contact_list_store_set_sort_criterium (GossipContactListStore     *store,
 496                                               GossipContactListStoreSort  sort_criterium)
 497 {
 498         GossipContactListStorePriv *priv;
 499
 500         g_return_if_fail (GOSSIP_IS_CONTACT_LIST_STORE (store));
 501
 502         priv = GET_PRIV (store);
 503
 504         priv->sort_criterium = sort_criterium;
 505
 506         switch (sort_criterium) {
 507         case GOSSIP_CONTACT_LIST_STORE_SORT_STATE:
 508                 gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE (store),
 509                                                       COL_STATUS,
 510                                                       GTK_SORT_ASCENDING);
 511                 break;
 512
 513         case GOSSIP_CONTACT_LIST_STORE_SORT_NAME:
 514                 gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE (store),
 515                                                       COL_NAME,
 516                                                       GTK_SORT_ASCENDING);
 517                 break;
 518         }
 519 }
 520
 521 gboolean
 522 gossip_contact_list_store_row_separator_func (GtkTreeModel *model,
 523                                               GtkTreeIter  *iter,
 524                                               gpointer      data)
 525 {
 526         gboolean is_separator = FALSE;
 527
 528         g_return_val_if_fail (GTK_IS_TREE_MODEL (model), FALSE);
 529
 530         gtk_tree_model_get (model, iter,
 531                             COL_IS_SEPARATOR, &is_separator,
 532                             -1);
 533
 534         return is_separator;
 535 }
 536
 537 gchar *
 538 gossip_contact_list_store_get_parent_group (GtkTreeModel *model,
 539                                             GtkTreePath  *path,
 540                                             gboolean     *path_is_group)
 541 {
 542         GtkTreeIter  parent_iter, iter;
 543         gchar       *name = NULL;
 544         gboolean     is_group;
 545
 546         g_return_val_if_fail (GTK_IS_TREE_MODEL (model), NULL);
 547
 548         if (path_is_group) {
 549                 *path_is_group = FALSE;
 550         }
 551
 552         if (!gtk_tree_model_get_iter (model, &iter, path)) {
 553                 return NULL;
 554         }
 555
 556         gtk_tree_model_get (model, &iter,
 557                             COL_IS_GROUP, &is_group,
 558                             COL_NAME, &name,
 559                             -1);
 560
 561         if (!is_group) {
 562                 g_free (name);
 563                 name = NULL;
 564
 565                 if (!gtk_tree_model_iter_parent (model, &parent_iter, &iter)) {
 566                         return NULL;
 567                 }
 568
 569                 iter = parent_iter;
 570
 571                 gtk_tree_model_get (model, &iter,
 572                                     COL_IS_GROUP, &is_group,
 573                                     COL_NAME, &name,
 574                                     -1);
 575                 if (!is_group) {
 576                         g_free (name);
 577                         return NULL;
 578                 }
 579         }
 580
 581         if (path_is_group) {
 582                 *path_is_group = TRUE;
 583         }
 584
 585         return name;
 586 }
 587
 588 gboolean
 589 gossip_contact_list_store_search_equal_func (GtkTreeModel *model,
 590                                              gint          column,
 591                                              const gchar  *key,
 592                                              GtkTreeIter  *iter,
 593                                              gpointer      search_data)
 594 {
 595         gchar    *name, *name_folded;
 596         gchar    *key_folded;
 597         gboolean  ret;
 598
 599         g_return_val_if_fail (GTK_IS_TREE_MODEL (model), FALSE);
 600
 601         if (!key) {
 602                 return FALSE;
 603         }
 604
 605         gtk_tree_model_get (model, iter, COL_NAME, &name, -1);
 606
 607         if (!name) {
 608                 return FALSE;
 609         }
 610
 611         name_folded = g_utf8_casefold (name, -1);
 612         key_folded = g_utf8_casefold (key, -1);
 613
 614         if (name_folded && key_folded &&
 615             strstr (name_folded, key_folded)) {
 616                 ret = FALSE;
 617         } else {
 618                 ret = TRUE;
 619         }
 620
 621         g_free (name);
 622         g_free (name_folded);
 623         g_free (key_folded);
 624
 625         return ret;
 626 }
 627
 628 void
 629 gossip_contact_list_store_set_contact_groups_func (GossipContactListStore  *store,
 630                                                    GossipContactGroupsFunc  func,
 631                                                    gpointer                 user_data)
 632 {
 633         GossipContactListStorePriv *priv;
 634         GList                      *contacts, *l;
 635
 636         g_return_if_fail (GOSSIP_IS_CONTACT_LIST_STORE (store));
 637
 638         priv = GET_PRIV (store);
 639
 640         if (func) {
 641                 priv->get_contact_groups = func;
 642                 priv->get_contact_groups_data = user_data;
 643         } else {
 644                 priv->get_contact_groups = NULL;
 645                 priv->get_contact_groups_data = NULL;
 646         }
 647
 648         /* If we set a custom function to get contacts groups  we have to
 649          * disconnect our default notify::groups signal and wait for the user
 650          * to call himself gossip_contact_list_store_update_contact_groups ()
 651          * when needed. If func is NULL we come back to default.
 652          */
 653         contacts = empathy_contact_list_get_contacts (priv->list);
 654         for (l = contacts; l; l = l->next) {
 655                 GossipContact *contact;
 656
 657                 contact = l->data;
 658
 659                 if (func) {
 660                         g_signal_handlers_disconnect_by_func (contact,
 661                                                               G_CALLBACK (contact_list_store_contact_groups_updated_cb),
 662                                                               store);
 663                 } else {
 664                         g_signal_connect (contact, "notify::groups",
 665                                           G_CALLBACK (contact_list_store_contact_groups_updated_cb),
 666                                           store);
 667                 }
 668
 669                 gossip_contact_list_store_update_contact_groups (store, contact);
 670
 671                 g_object_unref (contact);
 672         }
 673         g_list_free (contacts);
 674 }
 675
 676 void
 677 gossip_contact_list_store_update_contact_groups (GossipContactListStore *store,
 678                                                  GossipContact          *contact)
 679 {
 680         gossip_debug (DEBUG_DOMAIN, "Contact:'%s' updating groups",
 681                       gossip_contact_get_name (contact));
 682
 683         /* We do this to make sure the groups are correct, if not, we
 684          * would have to check the groups already set up for each
 685          * contact and then see what has been updated.
 686          */
 687         contact_list_store_remove_contact (store, contact);
 688         contact_list_store_add_contact (store, contact);
 689 }
 690
 691 static void
 692 contact_list_store_setup (GossipContactListStore *store)
 693 {
 694         GossipContactListStorePriv *priv;
 695         GType                       types[] = {G_TYPE_STRING,       /* Status icon-name */
 696                                                GDK_TYPE_PIXBUF,     /* Avatar pixbuf */
 697                                                G_TYPE_BOOLEAN,      /* Avatar pixbuf visible */
 698                                                G_TYPE_STRING,       /* Name */
 699                                                G_TYPE_STRING,       /* Status string */
 700                                                G_TYPE_BOOLEAN,      /* Show status */
 701                                                GOSSIP_TYPE_CONTACT, /* Contact type */
 702                                                G_TYPE_BOOLEAN,      /* Is group */
 703                                                G_TYPE_BOOLEAN,      /* Is active */
 704                                                G_TYPE_BOOLEAN,      /* Is online */
 705                                                G_TYPE_BOOLEAN};     /* Is separator */
 706
 707         priv = GET_PRIV (store);
 708
 709         gtk_tree_store_set_column_types (GTK_TREE_STORE (store), COL_COUNT, types);
 710
 711         /* Set up sorting */
 712         gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE (store),
 713                                          COL_NAME,
 714                                          contact_list_store_name_sort_func,
 715                                          store, NULL);
 716         gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE (store),
 717                                          COL_STATUS,
 718                                          contact_list_store_state_sort_func,
 719                                          store, NULL);
 720
 721         gossip_contact_list_store_set_sort_criterium (store, priv->sort_criterium);
 722 }
 723
 724 static void
 725 contact_list_store_contact_added_cb (EmpathyContactList     *list_iface,
 726                                      GossipContact          *contact,
 727                                      GossipContactListStore *store)
 728 {
 729         GossipContactListStorePriv *priv;
 730
 731         priv = GET_PRIV (store);
 732
 733         gossip_debug (DEBUG_DOMAIN,
 734                       "Contact:'%s' added",
 735                       gossip_contact_get_name (contact));
 736
 737         if (!priv->get_contact_groups) {
 738                 g_signal_connect (contact, "notify::groups",
 739                                   G_CALLBACK (contact_list_store_contact_groups_updated_cb),
 740                                   store);
 741         }
 742         g_signal_connect (contact, "notify::presence",
 743                           G_CALLBACK (contact_list_store_contact_updated_cb),
 744                           store);
 745         g_signal_connect (contact, "notify::name",
 746                           G_CALLBACK (contact_list_store_contact_updated_cb),
 747                           store);
 748         g_signal_connect (contact, "notify::avatar",
 749                           G_CALLBACK (contact_list_store_contact_updated_cb),
 750                           store);
 751         g_signal_connect (contact, "notify::type",
 752                           G_CALLBACK (contact_list_store_contact_updated_cb),
 753                           store);
 754
 755         contact_list_store_add_contact (store, contact);
 756 }
 757
 758 static void
 759 contact_list_store_add_contact (GossipContactListStore *store,
 760                                 GossipContact          *contact)
 761 {
 762         GossipContactListStorePriv *priv;
 763         GtkTreeIter                 iter;
 764         GList                      *groups, *l;
 765
 766         priv = GET_PRIV (store);
 767
 768         if (!priv->show_offline && !gossip_contact_is_online (contact)) {
 769                 return;
 770         }
 771
 772         /* If no groups just add it at the top level. */
 773         if (priv->get_contact_groups) {
 774                 groups = priv->get_contact_groups (contact,
 775                                                    priv->get_contact_groups_data);
 776         } else {
 777                 groups = gossip_contact_get_groups (contact);
 778         }
 779
 780         if (!groups) {
 781                 gtk_tree_store_append (GTK_TREE_STORE (store), &iter, NULL);
 782                 gtk_tree_store_set (GTK_TREE_STORE (store), &iter,
 783                                     COL_CONTACT, contact,
 784                                     -1);
 785         }
 786
 787         /* Else add to each group. */
 788         for (l = groups; l; l = l->next) {
 789                 GtkTreeIter  iter_group;
 790                 const gchar *name;
 791
 792                 name = l->data;
 793                 if (!name) {
 794                         continue;
 795                 }
 796
 797                 contact_list_store_get_group (store, name, &iter_group, NULL, NULL);
 798
 799                 gtk_tree_store_insert_after (GTK_TREE_STORE (store), &iter,
 800                                              &iter_group, NULL);
 801                 gtk_tree_store_set (GTK_TREE_STORE (store), &iter,
 802                                     COL_CONTACT, contact,
 803                                     -1);
 804         }
 805
 806         contact_list_store_contact_update (store, contact);
 807 }
 808
 809 static void
 810 contact_list_store_contact_removed_cb (EmpathyContactList     *list_iface,
 811                                        GossipContact          *contact,
 812                                        GossipContactListStore *store)
 813 {
 814         gossip_debug (DEBUG_DOMAIN, "Contact:'%s' removed",
 815                       gossip_contact_get_name (contact));
 816
 817         /* Disconnect signals */
 818         g_signal_handlers_disconnect_by_func (contact,
 819                                               G_CALLBACK (contact_list_store_contact_groups_updated_cb),
 820                                               store);
 821         g_signal_handlers_disconnect_by_func (contact,
 822                                               G_CALLBACK (contact_list_store_contact_updated_cb),
 823                                               store);
 824
 825         contact_list_store_remove_contact (store, contact);
 826 }
 827
 828 static void
 829 contact_list_store_remove_contact (GossipContactListStore *store,
 830                                    GossipContact          *contact)
 831 {
 832         GossipContactListStorePriv *priv;
 833         GtkTreeModel               *model;
 834         GList                      *iters, *l;
 835
 836         priv = GET_PRIV (store);
 837
 838         iters = contact_list_store_find_contact (store, contact);
 839         if (!iters) {
 840                 return;
 841         }
 842
 843         /* Clean up model */
 844         model = GTK_TREE_MODEL (store);
 845
 846         for (l = iters; l; l = l->next) {
 847                 GtkTreeIter parent;
 848
 849                 /* NOTE: it is only <= 2 here because we have
 850                  * separators after the group name, otherwise it
 851                  * should be 1.
 852                  */
 853                 if (gtk_tree_model_iter_parent (model, &parent, l->data) &&
 854                     gtk_tree_model_iter_n_children (model, &parent) <= 2) {
 855                         gtk_tree_store_remove (GTK_TREE_STORE (store), &parent);
 856                 } else {
 857                         gtk_tree_store_remove (GTK_TREE_STORE (store), l->data);
 858                 }
 859         }
 860
 861         g_list_foreach (iters, (GFunc) gtk_tree_iter_free, NULL);
 862         g_list_free (iters);
 863 }
 864
 865 static void
 866 contact_list_store_contact_update (GossipContactListStore *store,
 867                                    GossipContact          *contact)
 868 {
 869         GossipContactListStorePriv *priv;
 870         ShowActiveData             *data;
 871         GtkTreeModel               *model;
 872         GList                      *iters, *l;
 873         gboolean                    in_list;
 874         gboolean                    should_be_in_list;
 875         gboolean                    was_online = TRUE;
 876         gboolean                    now_online = FALSE;
 877         gboolean                    set_model = FALSE;
 878         gboolean                    do_remove = FALSE;
 879         gboolean                    do_set_active = FALSE;
 880         gboolean                    do_set_refresh = FALSE;
 881         GdkPixbuf                  *pixbuf_avatar;
 882
 883         priv = GET_PRIV (store);
 884
 885         model = GTK_TREE_MODEL (store);
 886
 887         iters = contact_list_store_find_contact (store, contact);
 888         if (!iters) {
 889                 in_list = FALSE;
 890         } else {
 891                 in_list = TRUE;
 892         }
 893
 894         /* Get online state now. */
 895         now_online = gossip_contact_is_online (contact);
 896
 897         if (priv->show_offline || now_online) {
 898                 should_be_in_list = TRUE;
 899         } else {
 900                 should_be_in_list = FALSE;
 901         }
 902
 903         if (!in_list && !should_be_in_list) {
 904                 /* Nothing to do. */
 905                 gossip_debug (DEBUG_DOMAIN,
 906                               "Contact:'%s' in list:NO, should be:NO",
 907                               gossip_contact_get_name (contact));
 908
 909                 g_list_foreach (iters, (GFunc) gtk_tree_iter_free, NULL);
 910                 g_list_free (iters);
 911                 return;
 912         }
 913         else if (in_list && !should_be_in_list) {
 914                 gossip_debug (DEBUG_DOMAIN,
 915                               "Contact:'%s' in list:YES, should be:NO",
 916                               gossip_contact_get_name (contact));
 917
 918                 if (priv->show_active) {
 919                         do_remove = TRUE;
 920                         do_set_active = TRUE;
 921                         do_set_refresh = TRUE;
 922
 923                         set_model = TRUE;
 924                         gossip_debug (DEBUG_DOMAIN, "Remove item (after timeout)");
 925                 } else {
 926                         gossip_debug (DEBUG_DOMAIN, "Remove item (now)!");
 927                         contact_list_store_remove_contact (store, contact);
 928                 }
 929         }
 930         else if (!in_list && should_be_in_list) {
 931                 gossip_debug (DEBUG_DOMAIN,
 932                               "Contact:'%s' in list:NO, should be:YES",
 933                               gossip_contact_get_name (contact));
 934
 935                 contact_list_store_add_contact (store, contact);
 936
 937                 if (priv->show_active) {
 938                         do_set_active = TRUE;
 939
 940                         gossip_debug (DEBUG_DOMAIN, "Set active (contact added)");
 941                 }
 942         } else {
 943                 gossip_debug (DEBUG_DOMAIN,
 944                               "Contact:'%s' in list:YES, should be:YES",
 945                               gossip_contact_get_name (contact));
 946
 947                 /* Get online state before. */
 948                 if (iters && g_list_length (iters) > 0) {
 949                         gtk_tree_model_get (model, iters->data,
 950                                             COL_IS_ONLINE, &was_online,
 951                                             -1);
 952                 }
 953
 954                 /* Is this really an update or an online/offline. */
 955                 if (priv->show_active) {
 956                         if (was_online != now_online) {
 957                                 do_set_active = TRUE;
 958                                 do_set_refresh = TRUE;
 959
 960                                 gossip_debug (DEBUG_DOMAIN, "Set active (contact updated %s)",
 961                                               was_online ? "online  -> offline" :
 962                                                            "offline -> online");
 963                         } else {
 964                                 /* Was TRUE for presence updates. */
 965                                 /* do_set_active = FALSE;  */
 966                                 do_set_refresh = TRUE;
 967
 968                                 gossip_debug (DEBUG_DOMAIN, "Set active (contact updated)");
 969                         }
 970                 }
 971
 972                 set_model = TRUE;
 973         }
 974
 975         pixbuf_avatar = gossip_pixbuf_avatar_from_contact_scaled (contact, 32, 32);
 976         for (l = iters; l && set_model; l = l->next) {
 977                 gtk_tree_store_set (GTK_TREE_STORE (store), l->data,
 978                                     COL_ICON_STATUS, gossip_icon_name_for_contact (contact),
 979                                     COL_PIXBUF_AVATAR, pixbuf_avatar,
 980                                     COL_PIXBUF_AVATAR_VISIBLE, priv->show_avatars,
 981                                     COL_NAME, gossip_contact_get_name (contact),
 982                                     COL_STATUS, gossip_contact_get_status (contact),
 983                                     COL_STATUS_VISIBLE, !priv->is_compact,
 984                                     COL_IS_GROUP, FALSE,
 985                                     COL_IS_ONLINE, now_online,
 986                                     COL_IS_SEPARATOR, FALSE,
 987                                     -1);
 988         }
 989
 990         if (pixbuf_avatar) {
 991                 g_object_unref (pixbuf_avatar);
 992         }
 993
 994         if (priv->show_active && do_set_active) {
 995                 contact_list_store_contact_set_active (store, contact, do_set_active, do_set_refresh);
 996
 997                 if (do_set_active) {
 998                         data = contact_list_store_contact_active_new (store, contact, do_remove);
 999                         g_timeout_add (ACTIVE_USER_SHOW_TIME,
1000                                        (GSourceFunc) contact_list_store_contact_active_cb,
1001                                        data);
1002                 }
1003         }
1004
1005         /* FIXME: when someone goes online then offline quickly, the
1006          * first timeout sets the user to be inactive and the second
1007          * timeout removes the user from the contact list, really we
1008          * should remove the first timeout.
1009          */
1010         g_list_foreach (iters, (GFunc) gtk_tree_iter_free, NULL);
1011         g_list_free (iters);
1012 }
1013
1014 static void
1015 contact_list_store_contact_groups_updated_cb (GossipContact          *contact,
1016                                               GParamSpec             *param,
1017                                               GossipContactListStore *store)
1018 {
1019         gossip_contact_list_store_update_contact_groups (store, contact);
1020 }
1021
1022 static void
1023 contact_list_store_contact_updated_cb (GossipContact          *contact,
1024                                        GParamSpec             *param,
1025                                        GossipContactListStore *store)
1026 {
1027         gossip_debug (DEBUG_DOMAIN,
1028                       "Contact:'%s' updated, checking roster is in sync...",
1029                       gossip_contact_get_name (contact));
1030
1031         contact_list_store_contact_update (store, contact);
1032 }
1033
1034 static void
1035 contact_list_store_contact_set_active (GossipContactListStore *store,
1036                                        GossipContact          *contact,
1037                                        gboolean                active,
1038                                        gboolean                set_changed)
1039 {
1040         GossipContactListStorePriv *priv;
1041         GtkTreeModel               *model;
1042         GList                      *iters, *l;
1043
1044         priv = GET_PRIV (store);
1045         model = GTK_TREE_MODEL (store);
1046
1047         iters = contact_list_store_find_contact (store, contact);
1048         for (l = iters; l; l = l->next) {
1049                 GtkTreePath *path;
1050
1051                 gtk_tree_store_set (GTK_TREE_STORE (store), l->data,
1052                                     COL_IS_ACTIVE, active,
1053                                     -1);
1054
1055                 gossip_debug (DEBUG_DOMAIN, "Set item %s", active ? "active" : "inactive");
1056
1057                 if (set_changed) {
1058                         path = gtk_tree_model_get_path (model, l->data);
1059                         gtk_tree_model_row_changed (model, path, l->data);
1060                         gtk_tree_path_free (path);
1061                 }
1062         }
1063
1064         g_list_foreach (iters, (GFunc) gtk_tree_iter_free, NULL);
1065         g_list_free (iters);
1066
1067 }
1068
1069 static ShowActiveData *
1070 contact_list_store_contact_active_new (GossipContactListStore *store,
1071                                        GossipContact          *contact,
1072                                        gboolean                remove)
1073 {
1074         ShowActiveData *data;
1075
1076         gossip_debug (DEBUG_DOMAIN,
1077                       "Contact:'%s' now active, and %s be removed",
1078                       gossip_contact_get_name (contact),
1079                       remove ? "WILL" : "WILL NOT");
1080
1081         data = g_slice_new0 (ShowActiveData);
1082
1083         data->store = g_object_ref (store);
1084         data->contact = g_object_ref (contact);
1085         data->remove = remove;
1086
1087         return data;
1088 }
1089
1090 static void
1091 contact_list_store_contact_active_free (ShowActiveData *data)
1092 {
1093         g_object_unref (data->contact);
1094         g_object_unref (data->store);
1095
1096         g_slice_free (ShowActiveData, data);
1097 }
1098
1099 static gboolean
1100 contact_list_store_contact_active_cb (ShowActiveData *data)
1101 {
1102         GossipContactListStorePriv *priv;
1103
1104         priv = GET_PRIV (data->store);
1105
1106         if (data->remove &&
1107             !priv->show_offline &&
1108             !gossip_contact_is_online (data->contact)) {
1109                 gossip_debug (DEBUG_DOMAIN,
1110                               "Contact:'%s' active timeout, removing item",
1111                               gossip_contact_get_name (data->contact));
1112                 contact_list_store_remove_contact (data->store, data->contact);
1113         }
1114
1115         gossip_debug (DEBUG_DOMAIN,
1116                       "Contact:'%s' no longer active",
1117                       gossip_contact_get_name (data->contact));
1118
1119         contact_list_store_contact_set_active (data->store,
1120                                                data->contact,
1121                                                FALSE,
1122                                                TRUE);
1123
1124         contact_list_store_contact_active_free (data);
1125
1126         return FALSE;
1127 }
1128
1129 static gboolean
1130 contact_list_store_get_group_foreach (GtkTreeModel *model,
1131                                       GtkTreePath  *path,
1132                                       GtkTreeIter  *iter,
1133                                       FindGroup    *fg)
1134 {
1135         gchar    *str;
1136         gboolean  is_group;
1137
1138         /* Groups are only at the top level. */
1139         if (gtk_tree_path_get_depth (path) != 1) {
1140                 return FALSE;
1141         }
1142
1143         gtk_tree_model_get (model, iter,
1144                             COL_NAME, &str,
1145                             COL_IS_GROUP, &is_group,
1146                             -1);
1147
1148         if (is_group && strcmp (str, fg->name) == 0) {
1149                 fg->found = TRUE;
1150                 fg->iter = *iter;
1151         }
1152
1153         g_free (str);
1154
1155         return fg->found;
1156 }
1157
1158 static void
1159 contact_list_store_get_group (GossipContactListStore *store,
1160                               const gchar       *name,
1161                               GtkTreeIter       *iter_group_to_set,
1162                               GtkTreeIter       *iter_separator_to_set,
1163                               gboolean          *created)
1164 {
1165         GossipContactListStorePriv *priv;
1166         GtkTreeModel               *model;
1167         GtkTreeIter                 iter_group;
1168         GtkTreeIter                 iter_separator;
1169         FindGroup                   fg;
1170
1171         priv = GET_PRIV (store);
1172
1173         memset (&fg, 0, sizeof (fg));
1174
1175         fg.name = name;
1176
1177         model = GTK_TREE_MODEL (store);
1178         gtk_tree_model_foreach (model,
1179                                 (GtkTreeModelForeachFunc) contact_list_store_get_group_foreach,
1180                                 &fg);
1181
1182         if (!fg.found) {
1183                 if (created) {
1184                         *created = TRUE;
1185                 }
1186
1187                 gtk_tree_store_append (GTK_TREE_STORE (store), &iter_group, NULL);
1188                 gtk_tree_store_set (GTK_TREE_STORE (store), &iter_group,
1189                                     COL_ICON_STATUS, NULL,
1190                                     COL_NAME, name,
1191                                     COL_IS_GROUP, TRUE,
1192                                     COL_IS_ACTIVE, FALSE,
1193                                     COL_IS_SEPARATOR, FALSE,
1194                                     -1);
1195
1196                 if (iter_group_to_set) {
1197                         *iter_group_to_set = iter_group;
1198                 }
1199
1200                 gtk_tree_store_append (GTK_TREE_STORE (store),
1201                                        &iter_separator,
1202                                        &iter_group);
1203                 gtk_tree_store_set (GTK_TREE_STORE (store), &iter_separator,
1204                                     COL_IS_SEPARATOR, TRUE,
1205                                     -1);
1206
1207                 if (iter_separator_to_set) {
1208                         *iter_separator_to_set = iter_separator;
1209                 }
1210         } else {
1211                 if (created) {
1212                         *created = FALSE;
1213                 }
1214
1215                 if (iter_group_to_set) {
1216                         *iter_group_to_set = fg.iter;
1217                 }
1218
1219                 iter_separator = fg.iter;
1220
1221                 if (gtk_tree_model_iter_next (model, &iter_separator)) {
1222                         gboolean is_separator;
1223
1224                         gtk_tree_model_get (model, &iter_separator,
1225                                             COL_IS_SEPARATOR, &is_separator,
1226                                             -1);
1227
1228                         if (is_separator && iter_separator_to_set) {
1229                                 *iter_separator_to_set = iter_separator;
1230                         }
1231                 }
1232         }
1233 }
1234
1235 static gint
1236 contact_list_store_state_sort_func (GtkTreeModel *model,
1237                                     GtkTreeIter  *iter_a,
1238                                     GtkTreeIter  *iter_b,
1239                                     gpointer      user_data)
1240 {
1241         gint            ret_val = 0;
1242         gchar          *name_a, *name_b;
1243         gboolean        is_separator_a, is_separator_b;
1244         GossipContact  *contact_a, *contact_b;
1245         GossipPresence *presence_a, *presence_b;
1246         McPresence      state_a, state_b;
1247
1248         gtk_tree_model_get (model, iter_a,
1249                             COL_NAME, &name_a,
1250                             COL_CONTACT, &contact_a,
1251                             COL_IS_SEPARATOR, &is_separator_a,
1252                             -1);
1253         gtk_tree_model_get (model, iter_b,
1254                             COL_NAME, &name_b,
1255                             COL_CONTACT, &contact_b,
1256                             COL_IS_SEPARATOR, &is_separator_b,
1257                             -1);
1258
1259         /* Separator or group? */
1260         if (is_separator_a || is_separator_b) {
1261                 if (is_separator_a) {
1262                         ret_val = -1;
1263                 } else if (is_separator_b) {
1264                         ret_val = 1;
1265                 }
1266         } else if (!contact_a && contact_b) {
1267                 ret_val = 1;
1268         } else if (contact_a && !contact_b) {
1269                 ret_val = -1;
1270         } else if (!contact_a && !contact_b) {
1271                 /* Handle groups */
1272                 ret_val = g_utf8_collate (name_a, name_b);
1273         }
1274
1275         if (ret_val) {
1276                 goto free_and_out;
1277         }
1278
1279         /* If we managed to get this far, we can start looking at
1280          * the presences.
1281          */
1282         presence_a = gossip_contact_get_presence (GOSSIP_CONTACT (contact_a));
1283         presence_b = gossip_contact_get_presence (GOSSIP_CONTACT (contact_b));
1284
1285         if (!presence_a && presence_b) {
1286                 ret_val = 1;
1287         } else if (presence_a && !presence_b) {
1288                 ret_val = -1;
1289         } else if (!presence_a && !presence_b) {
1290                 /* Both offline, sort by name */
1291                 ret_val = g_utf8_collate (name_a, name_b);
1292         } else {
1293                 state_a = gossip_presence_get_state (presence_a);
1294                 state_b = gossip_presence_get_state (presence_b);
1295
1296                 if (state_a < state_b) {
1297                         ret_val = -1;
1298                 } else if (state_a > state_b) {
1299                         ret_val = 1;
1300                 } else {
1301                         /* Fallback: compare by name */
1302                         ret_val = g_utf8_collate (name_a, name_b);
1303                 }
1304         }
1305
1306 free_and_out:
1307         g_free (name_a);
1308         g_free (name_b);
1309
1310         if (contact_a) {
1311                 g_object_unref (contact_a);
1312         }
1313
1314         if (contact_b) {
1315                 g_object_unref (contact_b);
1316         }
1317
1318         return ret_val;
1319 }
1320
1321 static gint
1322 contact_list_store_name_sort_func (GtkTreeModel *model,
1323                                    GtkTreeIter  *iter_a,
1324                                    GtkTreeIter  *iter_b,
1325                                    gpointer      user_data)
1326 {
1327         gchar         *name_a, *name_b;
1328         GossipContact *contact_a, *contact_b;
1329         gboolean       is_separator_a, is_separator_b;
1330         gint           ret_val;
1331
1332         gtk_tree_model_get (model, iter_a,
1333                             COL_NAME, &name_a,
1334                             COL_CONTACT, &contact_a,
1335                             COL_IS_SEPARATOR, &is_separator_a,
1336                             -1);
1337         gtk_tree_model_get (model, iter_b,
1338                             COL_NAME, &name_b,
1339                             COL_CONTACT, &contact_b,
1340                             COL_IS_SEPARATOR, &is_separator_b,
1341                             -1);
1342
1343         /* If contact is NULL it means it's a group. */
1344
1345         if (is_separator_a || is_separator_b) {
1346                 if (is_separator_a) {
1347                         ret_val = -1;
1348                 } else if (is_separator_b) {
1349                         ret_val = 1;
1350                 }
1351         } else if (!contact_a && contact_b) {
1352                 ret_val = 1;
1353         } else if (contact_a && !contact_b) {
1354                 ret_val = -1;
1355         } else {
1356                 ret_val = g_utf8_collate (name_a, name_b);
1357         }
1358
1359         g_free (name_a);
1360         g_free (name_b);
1361
1362         if (contact_a) {
1363                 g_object_unref (contact_a);
1364         }
1365
1366         if (contact_b) {
1367                 g_object_unref (contact_b);
1368         }
1369
1370         return ret_val;
1371 }
1372
1373 static gboolean
1374 contact_list_store_find_contact_foreach (GtkTreeModel *model,
1375                                          GtkTreePath  *path,
1376                                          GtkTreeIter  *iter,
1377                                          FindContact  *fc)
1378 {
1379         GossipContact *contact;
1380
1381         gtk_tree_model_get (model, iter,
1382                             COL_CONTACT, &contact,
1383                             -1);
1384
1385         if (!contact) {
1386                 return FALSE;
1387         }
1388
1389         if (gossip_contact_equal (contact, fc->contact)) {
1390                 fc->found = TRUE;
1391                 fc->iters = g_list_append (fc->iters, gtk_tree_iter_copy (iter));
1392         }
1393         g_object_unref (contact);
1394
1395         return FALSE;
1396 }
1397
1398 static GList *
1399 contact_list_store_find_contact (GossipContactListStore *store,
1400                                  GossipContact          *contact)
1401 {
1402         GossipContactListStorePriv *priv;
1403         GtkTreeModel              *model;
1404         GList                     *l = NULL;
1405         FindContact                fc;
1406
1407         priv = GET_PRIV (store);
1408
1409         memset (&fc, 0, sizeof (fc));
1410
1411         fc.contact = contact;
1412
1413         model = GTK_TREE_MODEL (store);
1414         gtk_tree_model_foreach (model,
1415                                 (GtkTreeModelForeachFunc) contact_list_store_find_contact_foreach,
1416                                 &fc);
1417
1418         if (fc.found) {
1419                 l = fc.iters;
1420         }
1421
1422         return l;
1423 }
1424
1425 static gboolean
1426 contact_list_store_update_list_mode_foreach (GtkTreeModel           *model,
1427                                              GtkTreePath            *path,
1428                                              GtkTreeIter            *iter,
1429                                              GossipContactListStore *store)
1430 {
1431         GossipContactListStorePriv *priv;
1432         gboolean                    show_avatar = FALSE;
1433
1434         priv = GET_PRIV (store);
1435
1436         if (priv->show_avatars && !priv->is_compact) {
1437                 show_avatar = TRUE;
1438         }
1439
1440         gtk_tree_store_set (GTK_TREE_STORE (store), iter,
1441                             COL_PIXBUF_AVATAR_VISIBLE, show_avatar,
1442                             COL_STATUS_VISIBLE, !priv->is_compact,
1443                             -1);
1444
1445         return FALSE;
1446 }
1447