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         gboolean                    show_active;
 324
 325         g_return_val_if_fail (EMPATHY_IS_CONTACT_LIST (list_iface), NULL);
 326
 327         store = g_object_new (GOSSIP_TYPE_CONTACT_LIST_STORE, NULL);
 328         priv = GET_PRIV (store);
 329
 330         contact_list_store_setup (store);
 331         priv->list = g_object_ref (list_iface);
 332
 333         /* Signal connection. */
 334         g_signal_connect (priv->list,
 335                           "contact-added",
 336                           G_CALLBACK (contact_list_store_contact_added_cb),
 337                           store);
 338         g_signal_connect (priv->list,
 339                           "contact-removed",
 340                           G_CALLBACK (contact_list_store_contact_removed_cb),
 341                           store);
 342
 343         /* Add contacts already created. Do not highlight them. */
 344         show_active = priv->show_active;
 345         priv->show_active = FALSE;
 346         contacts = empathy_contact_list_get_members (priv->list);
 347         for (l = contacts; l; l = l->next) {
 348                 GossipContact *contact;
 349
 350                 contact = l->data;
 351
 352                 contact_list_store_contact_added_cb (priv->list, contact, store);
 353
 354                 g_object_unref (contact);
 355         }
 356         g_list_free (contacts);
 357         priv->show_active = show_active;
 358
 359         return store;
 360 }
 361
 362 EmpathyContactList *
 363 gossip_contact_list_store_get_list_iface (GossipContactListStore *store)
 364 {
 365         GossipContactListStorePriv *priv;
 366
 367         g_return_val_if_fail (GOSSIP_IS_CONTACT_LIST_STORE (store), FALSE);
 368
 369         priv = GET_PRIV (store);
 370
 371         return priv->list;
 372 }
 373
 374 gboolean
 375 gossip_contact_list_store_get_show_offline (GossipContactListStore *store)
 376 {
 377         GossipContactListStorePriv *priv;
 378
 379         g_return_val_if_fail (GOSSIP_IS_CONTACT_LIST_STORE (store), FALSE);
 380
 381         priv = GET_PRIV (store);
 382
 383         return priv->show_offline;
 384 }
 385
 386 void
 387 gossip_contact_list_store_set_show_offline (GossipContactListStore *store,
 388                                             gboolean                show_offline)
 389 {
 390         GossipContactListStorePriv *priv;
 391         GList                      *contacts, *l;
 392         gboolean                    show_active;
 393
 394         g_return_if_fail (GOSSIP_IS_CONTACT_LIST_STORE (store));
 395
 396         priv = GET_PRIV (store);
 397
 398         priv->show_offline = show_offline;
 399         show_active = priv->show_active;
 400
 401         /* Disable temporarily. */
 402         priv->show_active = FALSE;
 403
 404         contacts = empathy_contact_list_get_members (priv->list);
 405         for (l = contacts; l; l = l->next) {
 406                 GossipContact *contact;
 407
 408                 contact = GOSSIP_CONTACT (l->data);
 409
 410                 contact_list_store_contact_update (store, contact);
 411
 412                 g_object_unref (contact);
 413         }
 414         g_list_free (contacts);
 415
 416         /* Restore to original setting. */
 417         priv->show_active = show_active;
 418 }
 419
 420 gboolean
 421 gossip_contact_list_store_get_show_avatars (GossipContactListStore *store)
 422 {
 423         GossipContactListStorePriv *priv;
 424
 425         g_return_val_if_fail (GOSSIP_IS_CONTACT_LIST_STORE (store), TRUE);
 426
 427         priv = GET_PRIV (store);
 428
 429         return priv->show_avatars;
 430 }
 431
 432 void
 433 gossip_contact_list_store_set_show_avatars (GossipContactListStore *store,
 434                                             gboolean                show_avatars)
 435 {
 436         GossipContactListStorePriv *priv;
 437         GtkTreeModel               *model;
 438
 439         g_return_if_fail (GOSSIP_IS_CONTACT_LIST_STORE (store));
 440
 441         priv = GET_PRIV (store);
 442
 443         priv->show_avatars = show_avatars;
 444
 445         model = GTK_TREE_MODEL (store);
 446
 447         gtk_tree_model_foreach (model,
 448                                 (GtkTreeModelForeachFunc)
 449                                 contact_list_store_update_list_mode_foreach,
 450                                 store);
 451 }
 452
 453 gboolean
 454 gossip_contact_list_store_get_is_compact (GossipContactListStore *store)
 455 {
 456         GossipContactListStorePriv *priv;
 457
 458         g_return_val_if_fail (GOSSIP_IS_CONTACT_LIST_STORE (store), TRUE);
 459
 460         priv = GET_PRIV (store);
 461
 462         return priv->is_compact;
 463 }
 464
 465 void
 466 gossip_contact_list_store_set_is_compact (GossipContactListStore *store,
 467                                           gboolean                is_compact)
 468 {
 469         GossipContactListStorePriv *priv;
 470         GtkTreeModel               *model;
 471
 472         g_return_if_fail (GOSSIP_IS_CONTACT_LIST_STORE (store));
 473
 474         priv = GET_PRIV (store);
 475
 476         priv->is_compact = is_compact;
 477
 478         model = GTK_TREE_MODEL (store);
 479
 480         gtk_tree_model_foreach (model,
 481                                 (GtkTreeModelForeachFunc)
 482                                 contact_list_store_update_list_mode_foreach,
 483                                 store);
 484 }
 485
 486 GossipContactListStoreSort
 487 gossip_contact_list_store_get_sort_criterium (GossipContactListStore *store)
 488 {
 489         GossipContactListStorePriv *priv;
 490
 491         g_return_val_if_fail (GOSSIP_IS_CONTACT_LIST_STORE (store), 0);
 492
 493         priv = GET_PRIV (store);
 494
 495         return priv->sort_criterium;
 496 }
 497
 498 void
 499 gossip_contact_list_store_set_sort_criterium (GossipContactListStore     *store,
 500                                               GossipContactListStoreSort  sort_criterium)
 501 {
 502         GossipContactListStorePriv *priv;
 503
 504         g_return_if_fail (GOSSIP_IS_CONTACT_LIST_STORE (store));
 505
 506         priv = GET_PRIV (store);
 507
 508         priv->sort_criterium = sort_criterium;
 509
 510         switch (sort_criterium) {
 511         case GOSSIP_CONTACT_LIST_STORE_SORT_STATE:
 512                 gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE (store),
 513                                                       COL_STATUS,
 514                                                       GTK_SORT_ASCENDING);
 515                 break;
 516
 517         case GOSSIP_CONTACT_LIST_STORE_SORT_NAME:
 518                 gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE (store),
 519                                                       COL_NAME,
 520                                                       GTK_SORT_ASCENDING);
 521                 break;
 522         }
 523 }
 524
 525 gboolean
 526 gossip_contact_list_store_row_separator_func (GtkTreeModel *model,
 527                                               GtkTreeIter  *iter,
 528                                               gpointer      data)
 529 {
 530         gboolean is_separator = FALSE;
 531
 532         g_return_val_if_fail (GTK_IS_TREE_MODEL (model), FALSE);
 533
 534         gtk_tree_model_get (model, iter,
 535                             COL_IS_SEPARATOR, &is_separator,
 536                             -1);
 537
 538         return is_separator;
 539 }
 540
 541 gchar *
 542 gossip_contact_list_store_get_parent_group (GtkTreeModel *model,
 543                                             GtkTreePath  *path,
 544                                             gboolean     *path_is_group)
 545 {
 546         GtkTreeIter  parent_iter, iter;
 547         gchar       *name = NULL;
 548         gboolean     is_group;
 549
 550         g_return_val_if_fail (GTK_IS_TREE_MODEL (model), NULL);
 551
 552         if (path_is_group) {
 553                 *path_is_group = FALSE;
 554         }
 555
 556         if (!gtk_tree_model_get_iter (model, &iter, path)) {
 557                 return NULL;
 558         }
 559
 560         gtk_tree_model_get (model, &iter,
 561                             COL_IS_GROUP, &is_group,
 562                             COL_NAME, &name,
 563                             -1);
 564
 565         if (!is_group) {
 566                 g_free (name);
 567                 name = NULL;
 568
 569                 if (!gtk_tree_model_iter_parent (model, &parent_iter, &iter)) {
 570                         return NULL;
 571                 }
 572
 573                 iter = parent_iter;
 574
 575                 gtk_tree_model_get (model, &iter,
 576                                     COL_IS_GROUP, &is_group,
 577                                     COL_NAME, &name,
 578                                     -1);
 579                 if (!is_group) {
 580                         g_free (name);
 581                         return NULL;
 582                 }
 583         }
 584
 585         if (path_is_group) {
 586                 *path_is_group = TRUE;
 587         }
 588
 589         return name;
 590 }
 591
 592 gboolean
 593 gossip_contact_list_store_search_equal_func (GtkTreeModel *model,
 594                                              gint          column,
 595                                              const gchar  *key,
 596                                              GtkTreeIter  *iter,
 597                                              gpointer      search_data)
 598 {
 599         gchar    *name, *name_folded;
 600         gchar    *key_folded;
 601         gboolean  ret;
 602
 603         g_return_val_if_fail (GTK_IS_TREE_MODEL (model), FALSE);
 604
 605         if (!key) {
 606                 return FALSE;
 607         }
 608
 609         gtk_tree_model_get (model, iter, COL_NAME, &name, -1);
 610
 611         if (!name) {
 612                 return FALSE;
 613         }
 614
 615         name_folded = g_utf8_casefold (name, -1);
 616         key_folded = g_utf8_casefold (key, -1);
 617
 618         if (name_folded && key_folded &&
 619             strstr (name_folded, key_folded)) {
 620                 ret = FALSE;
 621         } else {
 622                 ret = TRUE;
 623         }
 624
 625         g_free (name);
 626         g_free (name_folded);
 627         g_free (key_folded);
 628
 629         return ret;
 630 }
 631
 632 void
 633 gossip_contact_list_store_set_contact_groups_func (GossipContactListStore  *store,
 634                                                    GossipContactGroupsFunc  func,
 635                                                    gpointer                 user_data)
 636 {
 637         GossipContactListStorePriv *priv;
 638         GList                      *contacts, *l;
 639
 640         g_return_if_fail (GOSSIP_IS_CONTACT_LIST_STORE (store));
 641
 642         priv = GET_PRIV (store);
 643
 644         if (func) {
 645                 priv->get_contact_groups = func;
 646                 priv->get_contact_groups_data = user_data;
 647         } else {
 648                 priv->get_contact_groups = NULL;
 649                 priv->get_contact_groups_data = NULL;
 650         }
 651
 652         /* If we set a custom function to get contacts groups  we have to
 653          * disconnect our default notify::groups signal and wait for the user
 654          * to call himself gossip_contact_list_store_update_contact_groups ()
 655          * when needed. If func is NULL we come back to default.
 656          */
 657         contacts = empathy_contact_list_get_members (priv->list);
 658         for (l = contacts; l; l = l->next) {
 659                 GossipContact *contact;
 660
 661                 contact = l->data;
 662
 663                 if (func) {
 664                         g_signal_handlers_disconnect_by_func (contact,
 665                                                               G_CALLBACK (contact_list_store_contact_groups_updated_cb),
 666                                                               store);
 667                 } else {
 668                         g_signal_connect (contact, "notify::groups",
 669                                           G_CALLBACK (contact_list_store_contact_groups_updated_cb),
 670                                           store);
 671                 }
 672
 673                 gossip_contact_list_store_update_contact_groups (store, contact);
 674
 675                 g_object_unref (contact);
 676         }
 677         g_list_free (contacts);
 678 }
 679
 680 void
 681 gossip_contact_list_store_update_contact_groups (GossipContactListStore *store,
 682                                                  GossipContact          *contact)
 683 {
 684         gossip_debug (DEBUG_DOMAIN, "Contact:'%s' updating groups",
 685                       gossip_contact_get_name (contact));
 686
 687         /* We do this to make sure the groups are correct, if not, we
 688          * would have to check the groups already set up for each
 689          * contact and then see what has been updated.
 690          */
 691         contact_list_store_remove_contact (store, contact);
 692         contact_list_store_add_contact (store, contact);
 693 }
 694
 695 static void
 696 contact_list_store_setup (GossipContactListStore *store)
 697 {
 698         GossipContactListStorePriv *priv;
 699         GType                       types[] = {G_TYPE_STRING,       /* Status icon-name */
 700                                                GDK_TYPE_PIXBUF,     /* Avatar pixbuf */
 701                                                G_TYPE_BOOLEAN,      /* Avatar pixbuf visible */
 702                                                G_TYPE_STRING,       /* Name */
 703                                                G_TYPE_STRING,       /* Status string */
 704                                                G_TYPE_BOOLEAN,      /* Show status */
 705                                                GOSSIP_TYPE_CONTACT, /* Contact type */
 706                                                G_TYPE_BOOLEAN,      /* Is group */
 707                                                G_TYPE_BOOLEAN,      /* Is active */
 708                                                G_TYPE_BOOLEAN,      /* Is online */
 709                                                G_TYPE_BOOLEAN};     /* Is separator */
 710
 711         priv = GET_PRIV (store);
 712
 713         gtk_tree_store_set_column_types (GTK_TREE_STORE (store), COL_COUNT, types);
 714
 715         /* Set up sorting */
 716         gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE (store),
 717                                          COL_NAME,
 718                                          contact_list_store_name_sort_func,
 719                                          store, NULL);
 720         gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE (store),
 721                                          COL_STATUS,
 722                                          contact_list_store_state_sort_func,
 723                                          store, NULL);
 724
 725         priv->sort_criterium = GOSSIP_CONTACT_LIST_STORE_SORT_NAME;
 726         gossip_contact_list_store_set_sort_criterium (store, priv->sort_criterium);
 727 }
 728
 729 static void
 730 contact_list_store_contact_added_cb (EmpathyContactList     *list_iface,
 731                                      GossipContact          *contact,
 732                                      GossipContactListStore *store)
 733 {
 734         GossipContactListStorePriv *priv;
 735
 736         priv = GET_PRIV (store);
 737
 738         gossip_debug (DEBUG_DOMAIN,
 739                       "Contact:'%s' added",
 740                       gossip_contact_get_name (contact));
 741
 742         if (!priv->get_contact_groups) {
 743                 g_signal_connect (contact, "notify::groups",
 744                                   G_CALLBACK (contact_list_store_contact_groups_updated_cb),
 745                                   store);
 746         }
 747         g_signal_connect (contact, "notify::presence",
 748                           G_CALLBACK (contact_list_store_contact_updated_cb),
 749                           store);
 750         g_signal_connect (contact, "notify::name",
 751                           G_CALLBACK (contact_list_store_contact_updated_cb),
 752                           store);
 753         g_signal_connect (contact, "notify::avatar",
 754                           G_CALLBACK (contact_list_store_contact_updated_cb),
 755                           store);
 756         g_signal_connect (contact, "notify::type",
 757                           G_CALLBACK (contact_list_store_contact_updated_cb),
 758                           store);
 759
 760         contact_list_store_add_contact (store, contact);
 761 }
 762
 763 static void
 764 contact_list_store_add_contact (GossipContactListStore *store,
 765                                 GossipContact          *contact)
 766 {
 767         GossipContactListStorePriv *priv;
 768         GtkTreeIter                 iter;
 769         GList                      *groups, *l;
 770
 771         priv = GET_PRIV (store);
 772
 773         if (!priv->show_offline && !gossip_contact_is_online (contact)) {
 774                 return;
 775         }
 776
 777         /* If no groups just add it at the top level. */
 778         if (priv->get_contact_groups) {
 779                 groups = priv->get_contact_groups (contact,
 780                                                    priv->get_contact_groups_data);
 781         } else {
 782                 groups = gossip_contact_get_groups (contact);
 783         }
 784
 785         if (!groups) {
 786                 gtk_tree_store_append (GTK_TREE_STORE (store), &iter, NULL);
 787                 gtk_tree_store_set (GTK_TREE_STORE (store), &iter,
 788                                     COL_NAME, gossip_contact_get_name (contact),
 789                                     COL_CONTACT, contact,
 790                                     COL_IS_GROUP, FALSE,
 791                                     COL_IS_SEPARATOR, FALSE,
 792                                     -1);
 793         }
 794
 795         /* Else add to each group. */
 796         for (l = groups; l; l = l->next) {
 797                 GtkTreeIter  iter_group;
 798                 const gchar *name;
 799
 800                 name = l->data;
 801                 if (!name) {
 802                         continue;
 803                 }
 804
 805                 contact_list_store_get_group (store, name, &iter_group, NULL, NULL);
 806
 807                 gtk_tree_store_insert_after (GTK_TREE_STORE (store), &iter,
 808                                              &iter_group, NULL);
 809                 gtk_tree_store_set (GTK_TREE_STORE (store), &iter,
 810                                     COL_NAME, gossip_contact_get_name (contact),
 811                                     COL_CONTACT, contact,
 812                                     COL_IS_GROUP, FALSE,
 813                                     COL_IS_SEPARATOR, FALSE,
 814                                     -1);
 815         }
 816
 817         contact_list_store_contact_update (store, contact);
 818 }
 819
 820 static void
 821 contact_list_store_contact_removed_cb (EmpathyContactList     *list_iface,
 822                                        GossipContact          *contact,
 823                                        GossipContactListStore *store)
 824 {
 825         gossip_debug (DEBUG_DOMAIN, "Contact:'%s' removed",
 826                       gossip_contact_get_name (contact));
 827
 828         /* Disconnect signals */
 829         g_signal_handlers_disconnect_by_func (contact,
 830                                               G_CALLBACK (contact_list_store_contact_groups_updated_cb),
 831                                               store);
 832         g_signal_handlers_disconnect_by_func (contact,
 833                                               G_CALLBACK (contact_list_store_contact_updated_cb),
 834                                               store);
 835
 836         contact_list_store_remove_contact (store, contact);
 837 }
 838
 839 static void
 840 contact_list_store_remove_contact (GossipContactListStore *store,
 841                                    GossipContact          *contact)
 842 {
 843         GossipContactListStorePriv *priv;
 844         GtkTreeModel               *model;
 845         GList                      *iters, *l;
 846
 847         priv = GET_PRIV (store);
 848
 849         iters = contact_list_store_find_contact (store, contact);
 850         if (!iters) {
 851                 return;
 852         }
 853
 854         /* Clean up model */
 855         model = GTK_TREE_MODEL (store);
 856
 857         for (l = iters; l; l = l->next) {
 858                 GtkTreeIter parent;
 859
 860                 /* NOTE: it is only <= 2 here because we have
 861                  * separators after the group name, otherwise it
 862                  * should be 1.
 863                  */
 864                 if (gtk_tree_model_iter_parent (model, &parent, l->data) &&
 865                     gtk_tree_model_iter_n_children (model, &parent) <= 2) {
 866                         gtk_tree_store_remove (GTK_TREE_STORE (store), &parent);
 867                 } else {
 868                         gtk_tree_store_remove (GTK_TREE_STORE (store), l->data);
 869                 }
 870         }
 871
 872         g_list_foreach (iters, (GFunc) gtk_tree_iter_free, NULL);
 873         g_list_free (iters);
 874 }
 875
 876 static void
 877 contact_list_store_contact_update (GossipContactListStore *store,
 878                                    GossipContact          *contact)
 879 {
 880         GossipContactListStorePriv *priv;
 881         ShowActiveData             *data;
 882         GtkTreeModel               *model;
 883         GList                      *iters, *l;
 884         gboolean                    in_list;
 885         gboolean                    should_be_in_list;
 886         gboolean                    was_online = TRUE;
 887         gboolean                    now_online = FALSE;
 888         gboolean                    set_model = FALSE;
 889         gboolean                    do_remove = FALSE;
 890         gboolean                    do_set_active = FALSE;
 891         gboolean                    do_set_refresh = FALSE;
 892         GdkPixbuf                  *pixbuf_avatar;
 893
 894         priv = GET_PRIV (store);
 895
 896         model = GTK_TREE_MODEL (store);
 897
 898         iters = contact_list_store_find_contact (store, contact);
 899         if (!iters) {
 900                 in_list = FALSE;
 901         } else {
 902                 in_list = TRUE;
 903         }
 904
 905         /* Get online state now. */
 906         now_online = gossip_contact_is_online (contact);
 907
 908         if (priv->show_offline || now_online) {
 909                 should_be_in_list = TRUE;
 910         } else {
 911                 should_be_in_list = FALSE;
 912         }
 913
 914         if (!in_list && !should_be_in_list) {
 915                 /* Nothing to do. */
 916                 gossip_debug (DEBUG_DOMAIN,
 917                               "Contact:'%s' in list:NO, should be:NO",
 918                               gossip_contact_get_name (contact));
 919
 920                 g_list_foreach (iters, (GFunc) gtk_tree_iter_free, NULL);
 921                 g_list_free (iters);
 922                 return;
 923         }
 924         else if (in_list && !should_be_in_list) {
 925                 gossip_debug (DEBUG_DOMAIN,
 926                               "Contact:'%s' in list:YES, should be:NO",
 927                               gossip_contact_get_name (contact));
 928
 929                 if (priv->show_active) {
 930                         do_remove = TRUE;
 931                         do_set_active = TRUE;
 932                         do_set_refresh = TRUE;
 933
 934                         set_model = TRUE;
 935                         gossip_debug (DEBUG_DOMAIN, "Remove item (after timeout)");
 936                 } else {
 937                         gossip_debug (DEBUG_DOMAIN, "Remove item (now)!");
 938                         contact_list_store_remove_contact (store, contact);
 939                 }
 940         }
 941         else if (!in_list && should_be_in_list) {
 942                 gossip_debug (DEBUG_DOMAIN,
 943                               "Contact:'%s' in list:NO, should be:YES",
 944                               gossip_contact_get_name (contact));
 945
 946                 contact_list_store_add_contact (store, contact);
 947
 948                 if (priv->show_active) {
 949                         do_set_active = TRUE;
 950
 951                         gossip_debug (DEBUG_DOMAIN, "Set active (contact added)");
 952                 }
 953         } else {
 954                 gossip_debug (DEBUG_DOMAIN,
 955                               "Contact:'%s' in list:YES, should be:YES",
 956                               gossip_contact_get_name (contact));
 957
 958                 /* Get online state before. */
 959                 if (iters && g_list_length (iters) > 0) {
 960                         gtk_tree_model_get (model, iters->data,
 961                                             COL_IS_ONLINE, &was_online,
 962                                             -1);
 963                 }
 964
 965                 /* Is this really an update or an online/offline. */
 966                 if (priv->show_active) {
 967                         if (was_online != now_online) {
 968                                 do_set_active = TRUE;
 969                                 do_set_refresh = TRUE;
 970
 971                                 gossip_debug (DEBUG_DOMAIN, "Set active (contact updated %s)",
 972                                               was_online ? "online  -> offline" :
 973                                                            "offline -> online");
 974                         } else {
 975                                 /* Was TRUE for presence updates. */
 976                                 /* do_set_active = FALSE;  */
 977                                 do_set_refresh = TRUE;
 978
 979                                 gossip_debug (DEBUG_DOMAIN, "Set active (contact updated)");
 980                         }
 981                 }
 982
 983                 set_model = TRUE;
 984         }
 985
 986         pixbuf_avatar = gossip_pixbuf_avatar_from_contact_scaled (contact, 32, 32);
 987         for (l = iters; l && set_model; l = l->next) {
 988                 gtk_tree_store_set (GTK_TREE_STORE (store), l->data,
 989                                     COL_ICON_STATUS, gossip_icon_name_for_contact (contact),
 990                                     COL_PIXBUF_AVATAR, pixbuf_avatar,
 991                                     COL_PIXBUF_AVATAR_VISIBLE, priv->show_avatars,
 992                                     COL_NAME, gossip_contact_get_name (contact),
 993                                     COL_STATUS, gossip_contact_get_status (contact),
 994                                     COL_STATUS_VISIBLE, !priv->is_compact,
 995                                     COL_IS_GROUP, FALSE,
 996                                     COL_IS_ONLINE, now_online,
 997                                     COL_IS_SEPARATOR, FALSE,
 998                                     -1);
 999         }
1000
1001         if (pixbuf_avatar) {
1002                 g_object_unref (pixbuf_avatar);
1003         }
1004
1005         if (priv->show_active && do_set_active) {
1006                 contact_list_store_contact_set_active (store, contact, do_set_active, do_set_refresh);
1007
1008                 if (do_set_active) {
1009                         data = contact_list_store_contact_active_new (store, contact, do_remove);
1010                         g_timeout_add (ACTIVE_USER_SHOW_TIME,
1011                                        (GSourceFunc) contact_list_store_contact_active_cb,
1012                                        data);
1013                 }
1014         }
1015
1016         /* FIXME: when someone goes online then offline quickly, the
1017          * first timeout sets the user to be inactive and the second
1018          * timeout removes the user from the contact list, really we
1019          * should remove the first timeout.
1020          */
1021         g_list_foreach (iters, (GFunc) gtk_tree_iter_free, NULL);
1022         g_list_free (iters);
1023 }
1024
1025 static void
1026 contact_list_store_contact_groups_updated_cb (GossipContact          *contact,
1027                                               GParamSpec             *param,
1028                                               GossipContactListStore *store)
1029 {
1030         gossip_contact_list_store_update_contact_groups (store, contact);
1031 }
1032
1033 static void
1034 contact_list_store_contact_updated_cb (GossipContact          *contact,
1035                                        GParamSpec             *param,
1036                                        GossipContactListStore *store)
1037 {
1038         gossip_debug (DEBUG_DOMAIN,
1039                       "Contact:'%s' updated, checking roster is in sync...",
1040                       gossip_contact_get_name (contact));
1041
1042         contact_list_store_contact_update (store, contact);
1043 }
1044
1045 static void
1046 contact_list_store_contact_set_active (GossipContactListStore *store,
1047                                        GossipContact          *contact,
1048                                        gboolean                active,
1049                                        gboolean                set_changed)
1050 {
1051         GossipContactListStorePriv *priv;
1052         GtkTreeModel               *model;
1053         GList                      *iters, *l;
1054
1055         priv = GET_PRIV (store);
1056         model = GTK_TREE_MODEL (store);
1057
1058         iters = contact_list_store_find_contact (store, contact);
1059         for (l = iters; l; l = l->next) {
1060                 GtkTreePath *path;
1061
1062                 gtk_tree_store_set (GTK_TREE_STORE (store), l->data,
1063                                     COL_IS_ACTIVE, active,
1064                                     -1);
1065
1066                 gossip_debug (DEBUG_DOMAIN, "Set item %s", active ? "active" : "inactive");
1067
1068                 if (set_changed) {
1069                         path = gtk_tree_model_get_path (model, l->data);
1070                         gtk_tree_model_row_changed (model, path, l->data);
1071                         gtk_tree_path_free (path);
1072                 }
1073         }
1074
1075         g_list_foreach (iters, (GFunc) gtk_tree_iter_free, NULL);
1076         g_list_free (iters);
1077
1078 }
1079
1080 static ShowActiveData *
1081 contact_list_store_contact_active_new (GossipContactListStore *store,
1082                                        GossipContact          *contact,
1083                                        gboolean                remove)
1084 {
1085         ShowActiveData *data;
1086
1087         gossip_debug (DEBUG_DOMAIN,
1088                       "Contact:'%s' now active, and %s be removed",
1089                       gossip_contact_get_name (contact),
1090                       remove ? "WILL" : "WILL NOT");
1091
1092         data = g_slice_new0 (ShowActiveData);
1093
1094         data->store = g_object_ref (store);
1095         data->contact = g_object_ref (contact);
1096         data->remove = remove;
1097
1098         return data;
1099 }
1100
1101 static void
1102 contact_list_store_contact_active_free (ShowActiveData *data)
1103 {
1104         g_object_unref (data->contact);
1105         g_object_unref (data->store);
1106
1107         g_slice_free (ShowActiveData, data);
1108 }
1109
1110 static gboolean
1111 contact_list_store_contact_active_cb (ShowActiveData *data)
1112 {
1113         GossipContactListStorePriv *priv;
1114
1115         priv = GET_PRIV (data->store);
1116
1117         if (data->remove &&
1118             !priv->show_offline &&
1119             !gossip_contact_is_online (data->contact)) {
1120                 gossip_debug (DEBUG_DOMAIN,
1121                               "Contact:'%s' active timeout, removing item",
1122                               gossip_contact_get_name (data->contact));
1123                 contact_list_store_remove_contact (data->store, data->contact);
1124         }
1125
1126         gossip_debug (DEBUG_DOMAIN,
1127                       "Contact:'%s' no longer active",
1128                       gossip_contact_get_name (data->contact));
1129
1130         contact_list_store_contact_set_active (data->store,
1131                                                data->contact,
1132                                                FALSE,
1133                                                TRUE);
1134
1135         contact_list_store_contact_active_free (data);
1136
1137         return FALSE;
1138 }
1139
1140 static gboolean
1141 contact_list_store_get_group_foreach (GtkTreeModel *model,
1142                                       GtkTreePath  *path,
1143                                       GtkTreeIter  *iter,
1144                                       FindGroup    *fg)
1145 {
1146         gchar    *str;
1147         gboolean  is_group;
1148
1149         /* Groups are only at the top level. */
1150         if (gtk_tree_path_get_depth (path) != 1) {
1151                 return FALSE;
1152         }
1153
1154         gtk_tree_model_get (model, iter,
1155                             COL_NAME, &str,
1156                             COL_IS_GROUP, &is_group,
1157                             -1);
1158
1159         if (is_group && strcmp (str, fg->name) == 0) {
1160                 fg->found = TRUE;
1161                 fg->iter = *iter;
1162         }
1163
1164         g_free (str);
1165
1166         return fg->found;
1167 }
1168
1169 static void
1170 contact_list_store_get_group (GossipContactListStore *store,
1171                               const gchar            *name,
1172                               GtkTreeIter            *iter_group_to_set,
1173                               GtkTreeIter            *iter_separator_to_set,
1174                               gboolean               *created)
1175 {
1176         GossipContactListStorePriv *priv;
1177         GtkTreeModel               *model;
1178         GtkTreeIter                 iter_group;
1179         GtkTreeIter                 iter_separator;
1180         FindGroup                   fg;
1181
1182         priv = GET_PRIV (store);
1183
1184         memset (&fg, 0, sizeof (fg));
1185
1186         fg.name = name;
1187
1188         model = GTK_TREE_MODEL (store);
1189         gtk_tree_model_foreach (model,
1190                                 (GtkTreeModelForeachFunc) contact_list_store_get_group_foreach,
1191                                 &fg);
1192
1193         if (!fg.found) {
1194                 if (created) {
1195                         *created = TRUE;
1196                 }
1197
1198                 gtk_tree_store_append (GTK_TREE_STORE (store), &iter_group, NULL);
1199                 gtk_tree_store_set (GTK_TREE_STORE (store), &iter_group,
1200                                     COL_ICON_STATUS, NULL,
1201                                     COL_NAME, name,
1202                                     COL_IS_GROUP, TRUE,
1203                                     COL_IS_ACTIVE, FALSE,
1204                                     COL_IS_SEPARATOR, FALSE,
1205                                     -1);
1206
1207                 if (iter_group_to_set) {
1208                         *iter_group_to_set = iter_group;
1209                 }
1210
1211                 gtk_tree_store_append (GTK_TREE_STORE (store),
1212                                        &iter_separator,
1213                                        &iter_group);
1214                 gtk_tree_store_set (GTK_TREE_STORE (store), &iter_separator,
1215                                     COL_IS_SEPARATOR, TRUE,
1216                                     -1);
1217
1218                 if (iter_separator_to_set) {
1219                         *iter_separator_to_set = iter_separator;
1220                 }
1221         } else {
1222                 if (created) {
1223                         *created = FALSE;
1224                 }
1225
1226                 if (iter_group_to_set) {
1227                         *iter_group_to_set = fg.iter;
1228                 }
1229
1230                 iter_separator = fg.iter;
1231
1232                 if (gtk_tree_model_iter_next (model, &iter_separator)) {
1233                         gboolean is_separator;
1234
1235                         gtk_tree_model_get (model, &iter_separator,
1236                                             COL_IS_SEPARATOR, &is_separator,
1237                                             -1);
1238
1239                         if (is_separator && iter_separator_to_set) {
1240                                 *iter_separator_to_set = iter_separator;
1241                         }
1242                 }
1243         }
1244 }
1245
1246 static gint
1247 contact_list_store_state_sort_func (GtkTreeModel *model,
1248                                     GtkTreeIter  *iter_a,
1249                                     GtkTreeIter  *iter_b,
1250                                     gpointer      user_data)
1251 {
1252         gint            ret_val = 0;
1253         gchar          *name_a, *name_b;
1254         gboolean        is_separator_a, is_separator_b;
1255         GossipContact  *contact_a, *contact_b;
1256         GossipPresence *presence_a, *presence_b;
1257         McPresence      state_a, state_b;
1258
1259         gtk_tree_model_get (model, iter_a,
1260                             COL_NAME, &name_a,
1261                             COL_CONTACT, &contact_a,
1262                             COL_IS_SEPARATOR, &is_separator_a,
1263                             -1);
1264         gtk_tree_model_get (model, iter_b,
1265                             COL_NAME, &name_b,
1266                             COL_CONTACT, &contact_b,
1267                             COL_IS_SEPARATOR, &is_separator_b,
1268                             -1);
1269
1270         /* Separator or group? */
1271         if (is_separator_a || is_separator_b) {
1272                 if (is_separator_a) {
1273                         ret_val = -1;
1274                 } else if (is_separator_b) {
1275                         ret_val = 1;
1276                 }
1277         } else if (!contact_a && contact_b) {
1278                 ret_val = 1;
1279         } else if (contact_a && !contact_b) {
1280                 ret_val = -1;
1281         } else if (!contact_a && !contact_b) {
1282                 /* Handle groups */
1283                 ret_val = g_utf8_collate (name_a, name_b);
1284         }
1285
1286         if (ret_val) {
1287                 goto free_and_out;
1288         }
1289
1290         /* If we managed to get this far, we can start looking at
1291          * the presences.
1292          */
1293         presence_a = gossip_contact_get_presence (GOSSIP_CONTACT (contact_a));
1294         presence_b = gossip_contact_get_presence (GOSSIP_CONTACT (contact_b));
1295
1296         if (!presence_a && presence_b) {
1297                 ret_val = 1;
1298         } else if (presence_a && !presence_b) {
1299                 ret_val = -1;
1300         } else if (!presence_a && !presence_b) {
1301                 /* Both offline, sort by name */
1302                 ret_val = g_utf8_collate (name_a, name_b);
1303         } else {
1304                 state_a = gossip_presence_get_state (presence_a);
1305                 state_b = gossip_presence_get_state (presence_b);
1306
1307                 if (state_a < state_b) {
1308                         ret_val = -1;
1309                 } else if (state_a > state_b) {
1310                         ret_val = 1;
1311                 } else {
1312                         /* Fallback: compare by name */
1313                         ret_val = g_utf8_collate (name_a, name_b);
1314                 }
1315         }
1316
1317 free_and_out:
1318         g_free (name_a);
1319         g_free (name_b);
1320
1321         if (contact_a) {
1322                 g_object_unref (contact_a);
1323         }
1324
1325         if (contact_b) {
1326                 g_object_unref (contact_b);
1327         }
1328
1329         return ret_val;
1330 }
1331
1332 static gint
1333 contact_list_store_name_sort_func (GtkTreeModel *model,
1334                                    GtkTreeIter  *iter_a,
1335                                    GtkTreeIter  *iter_b,
1336                                    gpointer      user_data)
1337 {
1338         gchar         *name_a, *name_b;
1339         GossipContact *contact_a, *contact_b;
1340         gboolean       is_separator_a, is_separator_b;
1341         gint           ret_val;
1342
1343         gtk_tree_model_get (model, iter_a,
1344                             COL_NAME, &name_a,
1345                             COL_CONTACT, &contact_a,
1346                             COL_IS_SEPARATOR, &is_separator_a,
1347                             -1);
1348         gtk_tree_model_get (model, iter_b,
1349                             COL_NAME, &name_b,
1350                             COL_CONTACT, &contact_b,
1351                             COL_IS_SEPARATOR, &is_separator_b,
1352                             -1);
1353
1354         /* If contact is NULL it means it's a group. */
1355
1356         if (is_separator_a || is_separator_b) {
1357                 if (is_separator_a) {
1358                         ret_val = -1;
1359                 } else if (is_separator_b) {
1360                         ret_val = 1;
1361                 }
1362         } else if (!contact_a && contact_b) {
1363                 ret_val = 1;
1364         } else if (contact_a && !contact_b) {
1365                 ret_val = -1;
1366         } else {
1367                 ret_val = g_utf8_collate (name_a, name_b);
1368         }
1369
1370         g_free (name_a);
1371         g_free (name_b);
1372
1373         if (contact_a) {
1374                 g_object_unref (contact_a);
1375         }
1376
1377         if (contact_b) {
1378                 g_object_unref (contact_b);
1379         }
1380
1381         return ret_val;
1382 }
1383
1384 static gboolean
1385 contact_list_store_find_contact_foreach (GtkTreeModel *model,
1386                                          GtkTreePath  *path,
1387                                          GtkTreeIter  *iter,
1388                                          FindContact  *fc)
1389 {
1390         GossipContact *contact;
1391
1392         gtk_tree_model_get (model, iter,
1393                             COL_CONTACT, &contact,
1394                             -1);
1395
1396         if (!contact) {
1397                 return FALSE;
1398         }
1399
1400         if (gossip_contact_equal (contact, fc->contact)) {
1401                 fc->found = TRUE;
1402                 fc->iters = g_list_append (fc->iters, gtk_tree_iter_copy (iter));
1403         }
1404         g_object_unref (contact);
1405
1406         return FALSE;
1407 }
1408
1409 static GList *
1410 contact_list_store_find_contact (GossipContactListStore *store,
1411                                  GossipContact          *contact)
1412 {
1413         GossipContactListStorePriv *priv;
1414         GtkTreeModel              *model;
1415         GList                     *l = NULL;
1416         FindContact                fc;
1417
1418         priv = GET_PRIV (store);
1419
1420         memset (&fc, 0, sizeof (fc));
1421
1422         fc.contact = contact;
1423
1424         model = GTK_TREE_MODEL (store);
1425         gtk_tree_model_foreach (model,
1426                                 (GtkTreeModelForeachFunc) contact_list_store_find_contact_foreach,
1427                                 &fc);
1428
1429         if (fc.found) {
1430                 l = fc.iters;
1431         }
1432
1433         return l;
1434 }
1435
1436 static gboolean
1437 contact_list_store_update_list_mode_foreach (GtkTreeModel           *model,
1438                                              GtkTreePath            *path,
1439                                              GtkTreeIter            *iter,
1440                                              GossipContactListStore *store)
1441 {
1442         GossipContactListStorePriv *priv;
1443         gboolean                    show_avatar = FALSE;
1444
1445         priv = GET_PRIV (store);
1446
1447         if (priv->show_avatars && !priv->is_compact) {
1448                 show_avatar = TRUE;
1449         }
1450
1451         gtk_tree_store_set (GTK_TREE_STORE (store), iter,
1452                             COL_PIXBUF_AVATAR_VISIBLE, show_avatar,
1453                             COL_STATUS_VISIBLE, !priv->is_compact,
1454                             -1);
1455
1456         return FALSE;
1457 }
1458