libempathy-gtk/empathy-roster-view.c

   1 #include "config.h"
   2
   3 #include "empathy-roster-view.h"
   4
   5 #include <glib/gi18n-lib.h>
   6
   7 #include <libempathy/empathy-contact-groups.h>
   8
   9 #include <libempathy-gtk/empathy-roster-contact.h>
  10 #include <libempathy-gtk/empathy-roster-group.h>
  11 #include <libempathy-gtk/empathy-ui-utils.h>
  12
  13 #include <libempathy/empathy-utils.h>
  14
  15 G_DEFINE_TYPE (EmpathyRosterView, empathy_roster_view, EGG_TYPE_LIST_BOX)
  16
  17 /* Flashing delay for icons (milliseconds). */
  18 #define FLASH_TIMEOUT 500
  19
  20 enum
  21 {
  22   PROP_MODEL = 1,
  23   PROP_SHOW_OFFLINE,
  24   PROP_SHOW_GROUPS,
  25   PROP_EMPTY,
  26   N_PROPS
  27 };
  28
  29 enum
  30 {
  31   SIG_INDIVIDUAL_ACTIVATED,
  32   SIG_POPUP_INDIVIDUAL_MENU,
  33   SIG_EVENT_ACTIVATED,
  34   SIG_INDIVIDUAL_TOOLTIP,
  35   LAST_SIGNAL
  36 };
  37
  38 static guint signals[LAST_SIGNAL];
  39
  40 #define NO_GROUP "X-no-group"
  41
  42 struct _EmpathyRosterViewPriv
  43 {
  44   /* FolksIndividual (borrowed) -> GHashTable (
  45    * (gchar * group_name) -> EmpathyRosterContact (borrowed))
  46    *
  47    * When not using groups, this hash just have one element mapped
  48    * from the special NO_GROUP key. We could use it as a set but
  49    * I prefer to stay coherent in the way this hash is managed.
  50    */
  51   GHashTable *roster_contacts;
  52   /* (gchar *group_name) -> EmpathyRosterGroup (borrowed) */
  53   GHashTable *roster_groups;
  54   /* Hash of the EmpathyRosterContact currently displayed */
  55   GHashTable *displayed_contacts;
  56
  57   guint last_event_id;
  58   /* queue of (Event *). The most recent events are in the head of the queue
  59    * so we always display the icon of the oldest one. */
  60   GQueue *events;
  61   guint flash_id;
  62   gboolean display_flash_event;
  63
  64   gboolean show_offline;
  65   gboolean show_groups;
  66   gboolean empty;
  67
  68   EmpathyLiveSearch *search;
  69
  70   EmpathyRosterModel *model;
  71 };
  72
  73 typedef struct
  74 {
  75   guint id;
  76   FolksIndividual *individual;
  77   gchar *icon;
  78   gpointer user_data;
  79 } Event;
  80
  81 static Event *
  82 event_new (guint id,
  83     FolksIndividual *individual,
  84     const gchar *icon,
  85     gpointer user_data)
  86 {
  87   Event *event = g_slice_new (Event);
  88
  89   event->id = id;
  90   event->individual = g_object_ref (individual);
  91   event->icon = g_strdup (icon);
  92   event->user_data = user_data;
  93   return event;
  94 }
  95
  96 static void
  97 event_free (gpointer data)
  98 {
  99   Event *event = data;
 100   g_object_unref (event->individual);
 101   g_free (event->icon);
 102
 103   g_slice_free (Event, event);
 104 }
 105
 106 static void
 107 empathy_roster_view_get_property (GObject *object,
 108     guint property_id,
 109     GValue *value,
 110     GParamSpec *pspec)
 111 {
 112   EmpathyRosterView *self = EMPATHY_ROSTER_VIEW (object);
 113
 114   switch (property_id)
 115     {
 116       case PROP_MODEL:
 117         g_value_set_object (value, self->priv->model);
 118         break;
 119       case PROP_SHOW_OFFLINE:
 120         g_value_set_boolean (value, self->priv->show_offline);
 121         break;
 122       case PROP_SHOW_GROUPS:
 123         g_value_set_boolean (value, self->priv->show_groups);
 124         break;
 125       case PROP_EMPTY:
 126         g_value_set_boolean (value, self->priv->empty);
 127         break;
 128       default:
 129         G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
 130         break;
 131     }
 132 }
 133
 134 static void
 135 empathy_roster_view_set_property (GObject *object,
 136     guint property_id,
 137     const GValue *value,
 138     GParamSpec *pspec)
 139 {
 140   EmpathyRosterView *self = EMPATHY_ROSTER_VIEW (object);
 141
 142   switch (property_id)
 143     {
 144       case PROP_MODEL:
 145         g_assert (self->priv->model == NULL);
 146         self->priv->model = g_value_dup_object (value);
 147         break;
 148       case PROP_SHOW_OFFLINE:
 149         empathy_roster_view_show_offline (self, g_value_get_boolean (value));
 150         break;
 151       case PROP_SHOW_GROUPS:
 152         empathy_roster_view_show_groups (self, g_value_get_boolean (value));
 153         break;
 154       default:
 155         G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
 156         break;
 157     }
 158 }
 159
 160 static void
 161 roster_contact_changed_cb (GtkWidget *child,
 162     GParamSpec *spec,
 163     EmpathyRosterView *self)
 164 {
 165   egg_list_box_child_changed (EGG_LIST_BOX (self), child);
 166 }
 167
 168 static GtkWidget *
 169 add_roster_contact (EmpathyRosterView *self,
 170     FolksIndividual *individual,
 171     const gchar *group)
 172 {
 173   GtkWidget *contact;
 174
 175   contact = empathy_roster_contact_new (individual, group);
 176
 177   /* Need to refilter if online is changed */
 178   g_signal_connect (contact, "notify::online",
 179       G_CALLBACK (roster_contact_changed_cb), self);
 180
 181   /* Need to resort if alias is changed */
 182   g_signal_connect (contact, "notify::alias",
 183       G_CALLBACK (roster_contact_changed_cb), self);
 184
 185   gtk_widget_show (contact);
 186   gtk_container_add (GTK_CONTAINER (self), contact);
 187
 188   return contact;
 189 }
 190
 191 static void
 192 group_expanded_cb (EmpathyRosterGroup *group,
 193     GParamSpec *spec,
 194     EmpathyRosterView *self)
 195 {
 196   GList *widgets, *l;
 197
 198   widgets = empathy_roster_group_get_widgets (group);
 199   for (l = widgets; l != NULL; l = g_list_next (l))
 200     {
 201       egg_list_box_child_changed (EGG_LIST_BOX (self), l->data);
 202     }
 203
 204   g_list_free (widgets);
 205
 206   empathy_contact_group_set_expanded (empathy_roster_group_get_name (group),
 207       gtk_expander_get_expanded (GTK_EXPANDER (group)));
 208 }
 209
 210 static EmpathyRosterGroup *
 211 lookup_roster_group (EmpathyRosterView *self,
 212     const gchar *group)
 213 {
 214   return g_hash_table_lookup (self->priv->roster_groups, group);
 215 }
 216
 217 static EmpathyRosterGroup *
 218 ensure_roster_group (EmpathyRosterView *self,
 219     const gchar *group)
 220 {
 221   GtkWidget *roster_group;
 222
 223   roster_group = (GtkWidget *) lookup_roster_group (self, group);
 224   if (roster_group != NULL)
 225     return EMPATHY_ROSTER_GROUP (roster_group);
 226
 227   if (!tp_strdiff (group, EMPATHY_ROSTER_MODEL_GROUP_TOP_GROUP))
 228     roster_group = empathy_roster_group_new (group, "emblem-favorite-symbolic");
 229   else if (!tp_strdiff (group, EMPATHY_ROSTER_MODEL_GROUP_PEOPLE_NEARBY))
 230     roster_group = empathy_roster_group_new (group, "im-local-xmpp");
 231   else
 232     roster_group = empathy_roster_group_new (group, NULL);
 233
 234   gtk_expander_set_expanded (GTK_EXPANDER (roster_group),
 235       empathy_contact_group_get_expanded (group));
 236
 237   g_signal_connect (roster_group, "notify::expanded",
 238       G_CALLBACK (group_expanded_cb), self);
 239
 240   gtk_widget_show (roster_group);
 241   gtk_container_add (GTK_CONTAINER (self), roster_group);
 242
 243   g_hash_table_insert (self->priv->roster_groups, g_strdup (group),
 244       roster_group);
 245
 246   return EMPATHY_ROSTER_GROUP (roster_group);
 247 }
 248
 249 static void
 250 update_empty (EmpathyRosterView *self,
 251     gboolean empty)
 252 {
 253   if (self->priv->empty == empty)
 254     return;
 255
 256   self->priv->empty = empty;
 257   g_object_notify (G_OBJECT (self), "empty");
 258 }
 259
 260 static gboolean filter_group (EmpathyRosterView *self,
 261     EmpathyRosterGroup *group);
 262
 263 static gboolean
 264 at_least_one_group_displayed (EmpathyRosterView *self)
 265 {
 266   GHashTableIter iter;
 267   gpointer v;
 268
 269   g_hash_table_iter_init (&iter, self->priv->roster_groups);
 270   while (g_hash_table_iter_next (&iter, NULL, &v))
 271     {
 272       EmpathyRosterGroup *group = EMPATHY_ROSTER_GROUP (v);
 273
 274       if (filter_group (self, group))
 275         return TRUE;
 276     }
 277
 278   return FALSE;
 279 }
 280
 281 static void
 282 check_if_empty (EmpathyRosterView *self)
 283 {
 284   /* Roster is considered as empty if there is no contact *and* no group
 285    * currently displayed. */
 286   if (g_hash_table_size (self->priv->displayed_contacts) != 0 ||
 287       at_least_one_group_displayed (self))
 288     {
 289       update_empty (self, FALSE);
 290       return;
 291     }
 292
 293   update_empty (self, TRUE);
 294 }
 295
 296 static void
 297 update_group_widgets (EmpathyRosterView *self,
 298     EmpathyRosterGroup *group,
 299     EmpathyRosterContact *contact,
 300     gboolean add)
 301 {
 302   guint old_count, count;
 303
 304   old_count = empathy_roster_group_get_widgets_count (group);
 305
 306   if (add)
 307     count = empathy_roster_group_add_widget (group, GTK_WIDGET (contact));
 308   else
 309     count = empathy_roster_group_remove_widget (group, GTK_WIDGET (contact));
 310
 311   if (count != old_count)
 312     {
 313       egg_list_box_child_changed (EGG_LIST_BOX (self), GTK_WIDGET (group));
 314
 315       check_if_empty (self);
 316     }
 317 }
 318
 319 static void
 320 add_to_group (EmpathyRosterView *self,
 321     FolksIndividual *individual,
 322     const gchar *group)
 323 {
 324   GtkWidget *contact;
 325   GHashTable *contacts;
 326   EmpathyRosterGroup *roster_group = NULL;
 327
 328   contacts = g_hash_table_lookup (self->priv->roster_contacts, individual);
 329   if (contacts == NULL)
 330     return;
 331
 332   if (g_hash_table_lookup (contacts, group) != NULL)
 333     return;
 334
 335   if (tp_strdiff (group, NO_GROUP))
 336     roster_group = ensure_roster_group (self, group);
 337
 338   contact = add_roster_contact (self, individual, group);
 339   g_hash_table_insert (contacts, g_strdup (group), contact);
 340
 341   if (roster_group != NULL)
 342     {
 343       update_group_widgets (self, roster_group,
 344           EMPATHY_ROSTER_CONTACT (contact), TRUE);
 345     }
 346 }
 347
 348 static void
 349 individual_favourite_change_cb (FolksIndividual *individual,
 350     GParamSpec *spec,
 351     EmpathyRosterView *self)
 352 {
 353   /* We may have to refilter the contact as only favorite contacts are always
 354    * displayed regardless of their presence. */
 355   GHashTable *contacts;
 356   GtkWidget *contact;
 357
 358   contacts = g_hash_table_lookup (self->priv->roster_contacts, individual);
 359   if (contacts == NULL)
 360     return;
 361
 362   if (self->priv->show_groups)
 363     contact = g_hash_table_lookup (contacts,
 364         EMPATHY_ROSTER_MODEL_GROUP_TOP_GROUP);
 365   else
 366     contact = g_hash_table_lookup (contacts, NO_GROUP);
 367
 368   if (contact == NULL)
 369     return;
 370
 371   egg_list_box_child_changed (EGG_LIST_BOX (self), contact);
 372 }
 373
 374 static void
 375 individual_added (EmpathyRosterView *self,
 376     FolksIndividual *individual)
 377 {
 378   GHashTable *contacts;
 379
 380   contacts = g_hash_table_lookup (self->priv->roster_contacts, individual);
 381   if (contacts != NULL)
 382     return;
 383
 384   contacts = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
 385
 386   g_hash_table_insert (self->priv->roster_contacts, individual, contacts);
 387
 388   if (!self->priv->show_groups)
 389     {
 390       add_to_group (self, individual, NO_GROUP);
 391     }
 392   else
 393     {
 394       GList *groups, *l;
 395
 396       groups = empathy_roster_model_get_groups_for_individual (self->priv->model,
 397           individual);
 398
 399       if (g_list_length (groups) > 0)
 400         {
 401           for (l = groups; l != NULL; l = g_list_next (l))
 402             {
 403               add_to_group (self, individual, l->data);
 404             }
 405         }
 406       else
 407         {
 408           /* No group, adds to Ungrouped */
 409           add_to_group (self, individual, EMPATHY_ROSTER_MODEL_GROUP_UNGROUPED);
 410         }
 411
 412       g_list_free_full (groups, g_free);
 413     }
 414
 415   tp_g_signal_connect_object (individual, "notify::is-favourite",
 416       G_CALLBACK (individual_favourite_change_cb), self, 0);
 417 }
 418
 419 static void
 420 set_event_icon_on_individual (EmpathyRosterView *self,
 421     FolksIndividual *individual,
 422     const gchar *icon)
 423 {
 424   GHashTable *contacts;
 425   GHashTableIter iter;
 426   gpointer v;
 427
 428   contacts = g_hash_table_lookup (self->priv->roster_contacts, individual);
 429   if (contacts == NULL)
 430     return;
 431
 432   g_hash_table_iter_init (&iter, contacts);
 433   while (g_hash_table_iter_next (&iter, NULL, &v))
 434     {
 435       EmpathyRosterContact *contact =v;
 436
 437       empathy_roster_contact_set_event_icon (contact, icon);
 438     }
 439 }
 440
 441 static void
 442 flash_event (Event *event,
 443     EmpathyRosterView *self)
 444 {
 445   set_event_icon_on_individual (self, event->individual, event->icon);
 446 }
 447
 448 static void
 449 unflash_event (Event *event,
 450     EmpathyRosterView *self)
 451 {
 452   set_event_icon_on_individual (self, event->individual, NULL);
 453 }
 454
 455 static gboolean
 456 flash_cb (gpointer data)
 457 {
 458   EmpathyRosterView *self = data;
 459
 460   if (self->priv->display_flash_event)
 461     {
 462       g_queue_foreach (self->priv->events, (GFunc) flash_event, self);
 463       self->priv->display_flash_event = FALSE;
 464     }
 465   else
 466     {
 467       g_queue_foreach (self->priv->events, (GFunc) unflash_event, self);
 468       self->priv->display_flash_event = TRUE;
 469     }
 470
 471   return TRUE;
 472 }
 473
 474 static void
 475 start_flashing (EmpathyRosterView *self)
 476 {
 477   if (self->priv->flash_id != 0)
 478     return;
 479
 480   self->priv->display_flash_event = TRUE;
 481
 482   self->priv->flash_id = g_timeout_add (FLASH_TIMEOUT,
 483       flash_cb, self);
 484 }
 485
 486 static void
 487 stop_flashing (EmpathyRosterView *self)
 488 {
 489   if (self->priv->flash_id == 0)
 490     return;
 491
 492   g_source_remove (self->priv->flash_id);
 493   self->priv->flash_id = 0;
 494 }
 495
 496 static void
 497 remove_event (EmpathyRosterView *self,
 498     Event *event)
 499 {
 500   unflash_event (event, self);
 501   g_queue_remove (self->priv->events, event);
 502
 503   if (g_queue_get_length (self->priv->events) == 0)
 504     {
 505       stop_flashing (self);
 506     }
 507 }
 508
 509 static void
 510 remove_all_individual_event (EmpathyRosterView *self,
 511     FolksIndividual *individual)
 512 {
 513   GList *l;
 514
 515   for (l = g_queue_peek_head_link (self->priv->events); l != NULL;
 516       l = g_list_next (l))
 517     {
 518       Event *event = l->data;
 519
 520       if (event->individual == individual)
 521         {
 522           remove_event (self, event);
 523           return;
 524         }
 525     }
 526 }
 527
 528 static void
 529 individual_removed (EmpathyRosterView *self,
 530     FolksIndividual *individual)
 531 {
 532   GHashTable *contacts;
 533   GHashTableIter iter;
 534   gpointer key, value;
 535
 536   contacts = g_hash_table_lookup (self->priv->roster_contacts, individual);
 537   if (contacts == NULL)
 538     return;
 539
 540   remove_all_individual_event (self, individual);
 541
 542   g_hash_table_iter_init (&iter, contacts);
 543   while (g_hash_table_iter_next (&iter, &key, &value))
 544     {
 545       const gchar *group_name = key;
 546       GtkWidget *contact = value;
 547       EmpathyRosterGroup *group;
 548
 549       group = lookup_roster_group (self, group_name);
 550       if (group != NULL)
 551         {
 552           update_group_widgets (self, group,
 553               EMPATHY_ROSTER_CONTACT (contact), FALSE);
 554         }
 555
 556       gtk_container_remove (GTK_CONTAINER (self), contact);
 557     }
 558
 559   g_hash_table_remove (self->priv->roster_contacts, individual);
 560 }
 561
 562 static void
 563 individual_added_cb (EmpathyRosterModel *model,
 564     FolksIndividual *individual,
 565     EmpathyRosterView *self)
 566 {
 567   individual_added (self, individual);
 568 }
 569
 570 static void
 571 individual_removed_cb (EmpathyRosterModel *model,
 572     FolksIndividual *individual,
 573     EmpathyRosterView *self)
 574 {
 575   individual_removed (self, individual);
 576 }
 577
 578 static gboolean
 579 contact_in_top (EmpathyRosterView *self,
 580     EmpathyRosterContact *contact)
 581 {
 582   if (!self->priv->show_groups)
 583     {
 584       /* Always display top contacts in non-group mode. */
 585       GList *groups;
 586       FolksIndividual *individual;
 587       gboolean result = FALSE;
 588
 589       individual = empathy_roster_contact_get_individual (contact);
 590
 591       groups = empathy_roster_model_get_groups_for_individual (
 592           self->priv->model, individual);
 593
 594       if (g_list_find_custom (groups, EMPATHY_ROSTER_MODEL_GROUP_TOP_GROUP,
 595             (GCompareFunc) g_strcmp0) != NULL)
 596         result = TRUE;
 597
 598       g_list_free_full (groups, g_free);
 599
 600       return result;
 601     }
 602
 603   if (!tp_strdiff (empathy_roster_contact_get_group (contact),
 604           EMPATHY_ROSTER_MODEL_GROUP_TOP_GROUP))
 605     /* If we are displaying contacts, we only want to *always* display the
 606      * RosterContact which is displayed at the top; not the ones displayed in
 607      * the 'normal' group sections */
 608     return TRUE;
 609
 610   return FALSE;
 611 }
 612
 613 static gint
 614 compare_roster_contacts_by_alias (EmpathyRosterContact *a,
 615     EmpathyRosterContact *b)
 616 {
 617   FolksIndividual *ind_a, *ind_b;
 618   const gchar *alias_a, *alias_b;
 619
 620   ind_a = empathy_roster_contact_get_individual (a);
 621   ind_b = empathy_roster_contact_get_individual (b);
 622
 623   alias_a = folks_alias_details_get_alias (FOLKS_ALIAS_DETAILS (ind_a));
 624   alias_b = folks_alias_details_get_alias (FOLKS_ALIAS_DETAILS (ind_b));
 625
 626   return g_ascii_strcasecmp (alias_a, alias_b);
 627 }
 628
 629 static gint
 630 compare_roster_contacts_no_group (EmpathyRosterView *self,
 631     EmpathyRosterContact *a,
 632     EmpathyRosterContact *b)
 633 {
 634   gboolean top_a, top_b;
 635
 636   top_a = contact_in_top (self, a);
 637   top_b = contact_in_top (self, b);
 638
 639   if (top_a == top_b)
 640     /* Both contacts are in the top of the roster (or not). Sort them
 641      * alphabetically */
 642     return compare_roster_contacts_by_alias (a, b);
 643   else if (top_a)
 644     return -1;
 645   else
 646     return 1;
 647 }
 648
 649 static gint
 650 compare_group_names (const gchar *group_a,
 651     const gchar *group_b)
 652 {
 653   if (!tp_strdiff (group_a, EMPATHY_ROSTER_MODEL_GROUP_TOP_GROUP))
 654     return -1;
 655
 656   if (!tp_strdiff (group_b, EMPATHY_ROSTER_MODEL_GROUP_TOP_GROUP))
 657     return 1;
 658
 659   if (!tp_strdiff (group_a, EMPATHY_ROSTER_MODEL_GROUP_UNGROUPED))
 660     return 1;
 661   else if (!tp_strdiff (group_b, EMPATHY_ROSTER_MODEL_GROUP_UNGROUPED))
 662     return -1;
 663
 664   return g_ascii_strcasecmp (group_a, group_b);
 665 }
 666
 667 static gint
 668 compare_roster_contacts_with_groups (EmpathyRosterView *self,
 669     EmpathyRosterContact *a,
 670     EmpathyRosterContact *b)
 671 {
 672   const gchar *group_a, *group_b;
 673
 674   group_a = empathy_roster_contact_get_group (a);
 675   group_b = empathy_roster_contact_get_group (b);
 676
 677   if (!tp_strdiff (group_a, group_b))
 678     /* Same group, compare the contacts */
 679     return compare_roster_contacts_by_alias (a, b);
 680
 681   /* Sort by group */
 682   return compare_group_names (group_a, group_b);
 683 }
 684
 685 static gint
 686 compare_roster_contacts (EmpathyRosterView *self,
 687     EmpathyRosterContact *a,
 688     EmpathyRosterContact *b)
 689 {
 690   if (!self->priv->show_groups)
 691     return compare_roster_contacts_no_group (self, a, b);
 692   else
 693     return compare_roster_contacts_with_groups (self, a, b);
 694 }
 695
 696 static gint
 697 compare_roster_groups (EmpathyRosterGroup *a,
 698     EmpathyRosterGroup *b)
 699 {
 700   const gchar *name_a, *name_b;
 701
 702   name_a = empathy_roster_group_get_name (a);
 703   name_b = empathy_roster_group_get_name (b);
 704
 705   return compare_group_names (name_a, name_b);
 706 }
 707
 708 static gint
 709 compare_contact_group (EmpathyRosterContact *contact,
 710     EmpathyRosterGroup *group)
 711 {
 712   const char *contact_group, *group_name;
 713
 714   contact_group = empathy_roster_contact_get_group (contact);
 715   group_name = empathy_roster_group_get_name (group);
 716
 717   if (!tp_strdiff (contact_group, group_name))
 718     /* @contact is in @group, @group has to be displayed first */
 719     return 1;
 720
 721   /* @contact is in a different group, sort by group name */
 722   return compare_group_names (contact_group, group_name);
 723 }
 724
 725 static gint
 726 roster_view_sort (gconstpointer a,
 727     gconstpointer b,
 728     gpointer user_data)
 729 {
 730   EmpathyRosterView *self = user_data;
 731
 732   if (EMPATHY_IS_ROSTER_CONTACT (a) && EMPATHY_IS_ROSTER_CONTACT (b))
 733     return compare_roster_contacts (self, EMPATHY_ROSTER_CONTACT (a),
 734         EMPATHY_ROSTER_CONTACT (b));
 735   else if (EMPATHY_IS_ROSTER_GROUP (a) && EMPATHY_IS_ROSTER_GROUP (b))
 736     return compare_roster_groups (EMPATHY_ROSTER_GROUP (a),
 737         EMPATHY_ROSTER_GROUP (b));
 738   else if (EMPATHY_IS_ROSTER_CONTACT (a) && EMPATHY_IS_ROSTER_GROUP (b))
 739     return compare_contact_group (EMPATHY_ROSTER_CONTACT (a),
 740         EMPATHY_ROSTER_GROUP (b));
 741   else if (EMPATHY_IS_ROSTER_GROUP (a) && EMPATHY_IS_ROSTER_CONTACT (b))
 742     return -1 * compare_contact_group (EMPATHY_ROSTER_CONTACT (b),
 743         EMPATHY_ROSTER_GROUP (a));
 744
 745   g_return_val_if_reached (0);
 746 }
 747
 748 static void
 749 update_separator (GtkWidget **separator,
 750     GtkWidget *child,
 751     GtkWidget *before,
 752     gpointer user_data)
 753 {
 754   if (before == NULL)
 755     {
 756       /* No separator before the first row */
 757       g_clear_object (separator);
 758       return;
 759     }
 760
 761   if (*separator != NULL)
 762     return;
 763
 764   *separator = gtk_separator_new (GTK_ORIENTATION_HORIZONTAL);
 765   g_object_ref_sink (*separator);
 766 }
 767
 768 static gboolean
 769 is_searching (EmpathyRosterView *self)
 770 {
 771   if (self->priv->search == NULL)
 772     return FALSE;
 773
 774   return gtk_widget_get_visible (GTK_WIDGET (self->priv->search));
 775 }
 776
 777 static void
 778 add_to_displayed (EmpathyRosterView *self,
 779     EmpathyRosterContact *contact)
 780 {
 781   FolksIndividual *individual;
 782   GHashTable *contacts;
 783   GHashTableIter iter;
 784   gpointer k;
 785
 786   if (g_hash_table_lookup (self->priv->displayed_contacts, contact) != NULL)
 787     return;
 788
 789   g_hash_table_add (self->priv->displayed_contacts, contact);
 790   update_empty (self, FALSE);
 791
 792   /* Groups of this contact may now be displayed if we just displays the first
 793    * child in this group. */
 794
 795   if (!self->priv->show_groups)
 796     return;
 797
 798   individual = empathy_roster_contact_get_individual (contact);
 799   contacts = g_hash_table_lookup (self->priv->roster_contacts, individual);
 800   if (contacts == NULL)
 801     return;
 802
 803   g_hash_table_iter_init (&iter, contacts);
 804   while (g_hash_table_iter_next (&iter, &k, NULL))
 805     {
 806       const gchar *group_name = k;
 807       GtkWidget *group;
 808
 809       group = g_hash_table_lookup (self->priv->roster_groups, group_name);
 810       if (group == NULL)
 811         continue;
 812
 813       egg_list_box_child_changed (EGG_LIST_BOX (self), group);
 814     }
 815 }
 816
 817 static void
 818 remove_from_displayed (EmpathyRosterView *self,
 819     EmpathyRosterContact *contact)
 820 {
 821   g_hash_table_remove (self->priv->displayed_contacts, contact);
 822
 823   check_if_empty (self);
 824 }
 825
 826 static gboolean
 827 contact_is_favorite (EmpathyRosterContact *contact)
 828 {
 829   FolksIndividual *individual;
 830
 831   individual = empathy_roster_contact_get_individual (contact);
 832
 833   return folks_favourite_details_get_is_favourite (
 834       FOLKS_FAVOURITE_DETAILS (individual));
 835 }
 836
 837 /**
 838  * check if @contact should be displayed according to @self's current status
 839  * and without consideration for the state of @contact's groups.
 840  */
 841 static gboolean
 842 contact_should_be_displayed (EmpathyRosterView *self,
 843     EmpathyRosterContact *contact)
 844 {
 845   if (is_searching (self))
 846     {
 847       FolksIndividual *individual;
 848
 849       individual = empathy_roster_contact_get_individual (contact);
 850
 851       return empathy_individual_match_string (individual,
 852           empathy_live_search_get_text (self->priv->search),
 853           empathy_live_search_get_words (self->priv->search));
 854     }
 855
 856   if (self->priv->show_offline)
 857       return TRUE;
 858
 859   if (contact_in_top (self, contact) &&
 860       contact_is_favorite (contact))
 861     /* Favorite top contacts are always displayed */
 862     return TRUE;
 863
 864   return empathy_roster_contact_is_online (contact);
 865 }
 866
 867
 868 static gboolean
 869 filter_contact (EmpathyRosterView *self,
 870     EmpathyRosterContact *contact)
 871 {
 872   gboolean displayed;
 873
 874   displayed = contact_should_be_displayed (self, contact);
 875
 876   if (self->priv->show_groups)
 877     {
 878       const gchar *group_name;
 879       EmpathyRosterGroup *group;
 880
 881       group_name = empathy_roster_contact_get_group (contact);
 882       group = lookup_roster_group (self, group_name);
 883
 884       if (group != NULL)
 885         {
 886           /* When searching, always display even if the group is closed */
 887           if (!is_searching (self) &&
 888               !gtk_expander_get_expanded (GTK_EXPANDER (group)))
 889             displayed = FALSE;
 890         }
 891     }
 892
 893   if (displayed)
 894     {
 895       add_to_displayed (self, contact);
 896     }
 897   else
 898     {
 899       remove_from_displayed (self, contact);
 900     }
 901
 902   return displayed;
 903 }
 904
 905 static gboolean
 906 filter_group (EmpathyRosterView *self,
 907     EmpathyRosterGroup *group)
 908 {
 909   GList *widgets, *l;
 910   gboolean result = FALSE;
 911
 912   /* Display the group if it contains at least one displayed contact */
 913   widgets = empathy_roster_group_get_widgets (group);
 914   for (l = widgets; l != NULL; l = g_list_next (l))
 915     {
 916       EmpathyRosterContact *contact = l->data;
 917
 918       if (contact_should_be_displayed (self, contact))
 919         {
 920           result = TRUE;
 921           break;
 922         }
 923     }
 924
 925   g_list_free (widgets);
 926
 927   return result;
 928 }
 929
 930 static gboolean
 931 filter_list (GtkWidget *child,
 932     gpointer user_data)
 933 {
 934   EmpathyRosterView *self = user_data;
 935
 936   if (EMPATHY_IS_ROSTER_CONTACT (child))
 937     return filter_contact (self, EMPATHY_ROSTER_CONTACT (child));
 938
 939   else if (EMPATHY_IS_ROSTER_GROUP (child))
 940     return filter_group (self, EMPATHY_ROSTER_GROUP (child));
 941
 942   g_return_val_if_reached (FALSE);
 943 }
 944
 945 static void
 946 populate_view (EmpathyRosterView *self)
 947 {
 948   GList *individuals, *l;
 949
 950   individuals = empathy_roster_model_get_individuals (self->priv->model);
 951   for (l = individuals; l != NULL; l = g_list_next (l))
 952     {
 953       FolksIndividual *individual = l->data;
 954
 955       individual_added (self, individual);
 956     }
 957
 958   g_list_free (individuals);
 959 }
 960
 961 static void
 962 remove_from_group (EmpathyRosterView *self,
 963     FolksIndividual *individual,
 964     const gchar *group)
 965 {
 966   GHashTable *contacts;
 967   GtkWidget *contact;
 968   EmpathyRosterGroup *roster_group;
 969
 970   contacts = g_hash_table_lookup (self->priv->roster_contacts, individual);
 971   if (contacts == NULL)
 972     return;
 973
 974   contact = g_hash_table_lookup (contacts, group);
 975   if (contact == NULL)
 976     return;
 977
 978   g_hash_table_remove (contacts, group);
 979
 980   if (g_hash_table_size (contacts) == 0)
 981     {
 982       add_to_group (self, individual, EMPATHY_ROSTER_MODEL_GROUP_UNGROUPED);
 983     }
 984
 985   roster_group = lookup_roster_group (self, group);
 986
 987   if (roster_group != NULL)
 988     {
 989       update_group_widgets (self, roster_group,
 990           EMPATHY_ROSTER_CONTACT (contact), FALSE);
 991     }
 992
 993   gtk_container_remove (GTK_CONTAINER (self), contact);
 994 }
 995
 996 static void
 997 groups_changed_cb (EmpathyRosterModel *model,
 998     FolksIndividual *individual,
 999     const gchar *group,
1000     gboolean is_member,
1001     EmpathyRosterView *self)
1002 {
1003   if (!self->priv->show_groups)
1004     {
1005       egg_list_box_resort (EGG_LIST_BOX (self));
1006       return;
1007     }
1008
1009   if (is_member)
1010     {
1011       add_to_group (self, individual, group);
1012     }
1013   else
1014     {
1015       remove_from_group (self, individual, group);
1016     }
1017 }
1018
1019 static void
1020 empathy_roster_view_constructed (GObject *object)
1021 {
1022   EmpathyRosterView *self = EMPATHY_ROSTER_VIEW (object);
1023   void (*chain_up) (GObject *) =
1024       ((GObjectClass *) empathy_roster_view_parent_class)->constructed;
1025
1026   if (chain_up != NULL)
1027     chain_up (object);
1028
1029   g_assert (EMPATHY_IS_ROSTER_MODEL (self->priv->model));
1030
1031   /* Get saved group states. */
1032   empathy_contact_groups_get_all ();
1033
1034   populate_view (self);
1035
1036   tp_g_signal_connect_object (self->priv->model, "individual-added",
1037       G_CALLBACK (individual_added_cb), self, 0);
1038   tp_g_signal_connect_object (self->priv->model, "individual-removed",
1039       G_CALLBACK (individual_removed_cb), self, 0);
1040   tp_g_signal_connect_object (self->priv->model, "groups-changed",
1041       G_CALLBACK (groups_changed_cb), self, 0);
1042
1043   egg_list_box_set_sort_func (EGG_LIST_BOX (self),
1044       roster_view_sort, self, NULL);
1045
1046   egg_list_box_set_separator_funcs (EGG_LIST_BOX (self), update_separator,
1047       self, NULL);
1048
1049   egg_list_box_set_filter_func (EGG_LIST_BOX (self), filter_list, self, NULL);
1050
1051   egg_list_box_set_activate_on_single_click (EGG_LIST_BOX (self), FALSE);
1052 }
1053
1054 static void
1055 clear_view (EmpathyRosterView *self)
1056 {
1057   g_hash_table_remove_all (self->priv->roster_contacts);
1058   g_hash_table_remove_all (self->priv->roster_groups);
1059   g_hash_table_remove_all (self->priv->displayed_contacts);
1060
1061   gtk_container_foreach (GTK_CONTAINER (self),
1062       (GtkCallback) gtk_widget_destroy, NULL);
1063 }
1064
1065 static void
1066 empathy_roster_view_dispose (GObject *object)
1067 {
1068   EmpathyRosterView *self = EMPATHY_ROSTER_VIEW (object);
1069   void (*chain_up) (GObject *) =
1070       ((GObjectClass *) empathy_roster_view_parent_class)->dispose;
1071
1072   /* Start by clearing the view so our internal hash tables are cleared from
1073    * objects being destroyed. */
1074   clear_view (self);
1075
1076   stop_flashing (self);
1077
1078   empathy_roster_view_set_live_search (self, NULL);
1079   g_clear_object (&self->priv->model);
1080
1081   if (chain_up != NULL)
1082     chain_up (object);
1083 }
1084
1085 static void
1086 empathy_roster_view_finalize (GObject *object)
1087 {
1088   EmpathyRosterView *self = EMPATHY_ROSTER_VIEW (object);
1089   void (*chain_up) (GObject *) =
1090       ((GObjectClass *) empathy_roster_view_parent_class)->finalize;
1091
1092   g_hash_table_unref (self->priv->roster_contacts);
1093   g_hash_table_unref (self->priv->roster_groups);
1094   g_hash_table_unref (self->priv->displayed_contacts);
1095   g_queue_free_full (self->priv->events, event_free);
1096
1097   if (chain_up != NULL)
1098     chain_up (object);
1099 }
1100
1101 static void
1102 empathy_roster_view_child_activated (EggListBox *box,
1103     GtkWidget *child)
1104 {
1105   EmpathyRosterView *self = EMPATHY_ROSTER_VIEW (box);
1106   EmpathyRosterContact *contact;
1107   FolksIndividual *individual;
1108   GList *l;
1109
1110   if (!EMPATHY_IS_ROSTER_CONTACT (child))
1111     return;
1112
1113   contact = EMPATHY_ROSTER_CONTACT (child);
1114   individual = empathy_roster_contact_get_individual (contact);
1115
1116   /* Activate the oldest event associated with this contact, if any */
1117   for (l = g_queue_peek_tail_link (self->priv->events); l != NULL;
1118       l = g_list_previous (l))
1119     {
1120       Event *event = l->data;
1121
1122       if (event->individual == individual)
1123         {
1124           g_signal_emit (box, signals[SIG_EVENT_ACTIVATED], 0, individual,
1125               event->user_data);
1126           return;
1127         }
1128     }
1129
1130   g_signal_emit (box, signals[SIG_INDIVIDUAL_ACTIVATED], 0, individual);
1131 }
1132
1133 static void
1134 fire_popup_individual_menu (EmpathyRosterView *self,
1135     GtkWidget *child,
1136     guint button,
1137     guint time)
1138 {
1139   EmpathyRosterContact *contact;
1140   FolksIndividual *individual;
1141
1142   if (!EMPATHY_IS_ROSTER_CONTACT (child))
1143     return;
1144
1145   contact = EMPATHY_ROSTER_CONTACT (child);
1146   individual = empathy_roster_contact_get_individual (contact);
1147
1148   g_signal_emit (self, signals[SIG_POPUP_INDIVIDUAL_MENU], 0,
1149       individual, button, time);
1150 }
1151
1152 static gboolean
1153 empathy_roster_view_button_press_event (GtkWidget *widget,
1154     GdkEventButton *event)
1155 {
1156   EmpathyRosterView *self = EMPATHY_ROSTER_VIEW (widget);
1157   gboolean (*chain_up) (GtkWidget *, GdkEventButton *) =
1158       ((GtkWidgetClass *) empathy_roster_view_parent_class)->button_press_event;
1159
1160   if (event->button == 3)
1161     {
1162       GtkWidget *child;
1163
1164       child = egg_list_box_get_child_at_y (EGG_LIST_BOX (self), event->y);
1165
1166       if (child != NULL)
1167         {
1168           egg_list_box_select_child (EGG_LIST_BOX (self), child);
1169
1170           fire_popup_individual_menu (self, child, event->button, event->time);
1171         }
1172     }
1173
1174   return chain_up (widget, event);
1175 }
1176
1177 static gboolean
1178 empathy_roster_view_key_press_event (GtkWidget *widget,
1179     GdkEventKey *event)
1180 {
1181   EmpathyRosterView *self = EMPATHY_ROSTER_VIEW (widget);
1182   gboolean (*chain_up) (GtkWidget *, GdkEventKey *) =
1183       ((GtkWidgetClass *) empathy_roster_view_parent_class)->key_press_event;
1184
1185   if (event->keyval == GDK_KEY_Menu)
1186     {
1187       GtkWidget *child;
1188
1189       child = egg_list_box_get_selected_child (EGG_LIST_BOX (self));
1190
1191       if (child != NULL)
1192         fire_popup_individual_menu (self, child, 0, event->time);
1193     }
1194
1195   return chain_up (widget, event);
1196 }
1197
1198 /**
1199  * @out_child: (out) (allow-none)
1200  */
1201 FolksIndividual *
1202 empathy_roster_view_get_individual_at_y (EmpathyRosterView *self,
1203     gint y,
1204     GtkWidget **out_child)
1205 {
1206   GtkWidget *child;
1207
1208   child = egg_list_box_get_child_at_y (EGG_LIST_BOX (self), y);
1209
1210   if (out_child != NULL)
1211     *out_child = child;
1212
1213   if (!EMPATHY_IS_ROSTER_CONTACT (child))
1214     return NULL;
1215
1216   return empathy_roster_contact_get_individual (EMPATHY_ROSTER_CONTACT (child));
1217 }
1218
1219 /**
1220  * @out_child: (out) (allow-none)
1221  */
1222 const gchar *
1223 empathy_roster_view_get_group_at_y (EmpathyRosterView *self,
1224     gint y)
1225 {
1226   GtkWidget *child;
1227
1228   child = egg_list_box_get_child_at_y (EGG_LIST_BOX (self), y);
1229
1230   if (EMPATHY_IS_ROSTER_CONTACT (child))
1231     return empathy_roster_contact_get_group (EMPATHY_ROSTER_CONTACT (child));
1232   else if (EMPATHY_IS_ROSTER_GROUP (child))
1233     return empathy_roster_group_get_name (EMPATHY_ROSTER_GROUP (child));
1234
1235   return NULL;
1236 }
1237
1238 static gboolean
1239 empathy_roster_view_query_tooltip (GtkWidget *widget,
1240     gint x,
1241     gint y,
1242     gboolean keyboard_mode,
1243     GtkTooltip *tooltip)
1244 {
1245   EmpathyRosterView *self = EMPATHY_ROSTER_VIEW (widget);
1246   FolksIndividual *individual;
1247   gboolean result;
1248   GtkWidget *child;
1249
1250   individual = empathy_roster_view_get_individual_at_y (self, y, &child);
1251   if (individual == NULL)
1252     return FALSE;
1253
1254   g_signal_emit (self, signals[SIG_INDIVIDUAL_TOOLTIP], 0,
1255       individual, keyboard_mode, tooltip, &result);
1256
1257   if (result)
1258     {
1259       GtkAllocation allocation;
1260
1261       gtk_widget_get_allocation (child, &allocation);
1262       gtk_tooltip_set_tip_area (tooltip, (GdkRectangle *) &allocation);
1263     }
1264
1265   return result;
1266 }
1267
1268 static void
1269 empathy_roster_view_remove (GtkContainer *container,
1270     GtkWidget *widget)
1271 {
1272   EmpathyRosterView *self = EMPATHY_ROSTER_VIEW (container);
1273   void (*chain_up) (GtkContainer *, GtkWidget *) =
1274       ((GtkContainerClass *) empathy_roster_view_parent_class)->remove;
1275
1276   chain_up (container, widget);
1277
1278   if (EMPATHY_IS_ROSTER_CONTACT (widget))
1279     remove_from_displayed (self, (EmpathyRosterContact *) widget);
1280 }
1281
1282 static void
1283 empathy_roster_view_class_init (
1284     EmpathyRosterViewClass *klass)
1285 {
1286   GObjectClass *oclass = G_OBJECT_CLASS (klass);
1287   EggListBoxClass *box_class = EGG_LIST_BOX_CLASS (klass);
1288   GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
1289   GtkContainerClass *container_class = GTK_CONTAINER_CLASS (klass);
1290   GParamSpec *spec;
1291
1292   oclass->get_property = empathy_roster_view_get_property;
1293   oclass->set_property = empathy_roster_view_set_property;
1294   oclass->constructed = empathy_roster_view_constructed;
1295   oclass->dispose = empathy_roster_view_dispose;
1296   oclass->finalize = empathy_roster_view_finalize;
1297
1298   widget_class->button_press_event = empathy_roster_view_button_press_event;
1299   widget_class->key_press_event = empathy_roster_view_key_press_event;
1300   widget_class->query_tooltip = empathy_roster_view_query_tooltip;
1301
1302   container_class->remove = empathy_roster_view_remove;
1303
1304   box_class->child_activated = empathy_roster_view_child_activated;
1305
1306   spec = g_param_spec_object ("model", "Model",
1307       "EmpathyRosterModel",
1308       EMPATHY_TYPE_ROSTER_MODEL,
1309       G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS);
1310   g_object_class_install_property (oclass, PROP_MODEL, spec);
1311
1312   spec = g_param_spec_boolean ("show-offline", "Show Offline",
1313       "Show offline contacts",
1314       FALSE,
1315       G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
1316   g_object_class_install_property (oclass, PROP_SHOW_OFFLINE, spec);
1317
1318   spec = g_param_spec_boolean ("show-groups", "Show Groups",
1319       "Show groups",
1320       FALSE,
1321       G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
1322   g_object_class_install_property (oclass, PROP_SHOW_GROUPS, spec);
1323
1324   spec = g_param_spec_boolean ("empty", "Empty",
1325       "Is the view currently empty?",
1326       FALSE,
1327       G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
1328   g_object_class_install_property (oclass, PROP_EMPTY, spec);
1329
1330   signals[SIG_INDIVIDUAL_ACTIVATED] = g_signal_new ("individual-activated",
1331       G_OBJECT_CLASS_TYPE (klass),
1332       G_SIGNAL_RUN_LAST,
1333       0, NULL, NULL, NULL,
1334       G_TYPE_NONE,
1335       1, FOLKS_TYPE_INDIVIDUAL);
1336
1337   signals[SIG_POPUP_INDIVIDUAL_MENU] = g_signal_new ("popup-individual-menu",
1338       G_OBJECT_CLASS_TYPE (klass),
1339       G_SIGNAL_RUN_LAST,
1340       0, NULL, NULL, NULL,
1341       G_TYPE_NONE,
1342       3, FOLKS_TYPE_INDIVIDUAL, G_TYPE_UINT, G_TYPE_UINT);
1343
1344   signals[SIG_EVENT_ACTIVATED] = g_signal_new ("event-activated",
1345       G_OBJECT_CLASS_TYPE (klass),
1346       G_SIGNAL_RUN_LAST,
1347       0, NULL, NULL, NULL,
1348       G_TYPE_NONE,
1349       2, FOLKS_TYPE_INDIVIDUAL, G_TYPE_POINTER);
1350
1351   signals[SIG_INDIVIDUAL_TOOLTIP] = g_signal_new ("individual-tooltip",
1352       G_OBJECT_CLASS_TYPE (klass),
1353       G_SIGNAL_RUN_LAST,
1354       0, g_signal_accumulator_true_handled, NULL, NULL,
1355       G_TYPE_BOOLEAN,
1356       3, FOLKS_TYPE_INDIVIDUAL, G_TYPE_BOOLEAN, GTK_TYPE_TOOLTIP);
1357
1358   g_type_class_add_private (klass, sizeof (EmpathyRosterViewPriv));
1359 }
1360
1361 static void
1362 empathy_roster_view_init (EmpathyRosterView *self)
1363 {
1364   self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
1365       EMPATHY_TYPE_ROSTER_VIEW, EmpathyRosterViewPriv);
1366
1367   self->priv->roster_contacts = g_hash_table_new_full (NULL, NULL,
1368       NULL, (GDestroyNotify) g_hash_table_unref);
1369   self->priv->roster_groups = g_hash_table_new_full (g_str_hash, g_str_equal,
1370       g_free, NULL);
1371   self->priv->displayed_contacts = g_hash_table_new (NULL, NULL);
1372
1373   self->priv->events = g_queue_new ();
1374
1375   self->priv->empty = TRUE;
1376 }
1377
1378 GtkWidget *
1379 empathy_roster_view_new (EmpathyRosterModel *model)
1380 {
1381   g_return_val_if_fail (EMPATHY_IS_ROSTER_MODEL (model), NULL);
1382
1383   return g_object_new (EMPATHY_TYPE_ROSTER_VIEW,
1384       "model", model,
1385       NULL);
1386 }
1387
1388 void
1389 empathy_roster_view_show_offline (EmpathyRosterView *self,
1390     gboolean show)
1391 {
1392   if (self->priv->show_offline == show)
1393     return;
1394
1395   self->priv->show_offline = show;
1396   egg_list_box_refilter (EGG_LIST_BOX (self));
1397
1398   g_object_notify (G_OBJECT (self), "show-offline");
1399 }
1400
1401 void
1402 empathy_roster_view_show_groups (EmpathyRosterView *self,
1403     gboolean show)
1404 {
1405   if (self->priv->show_groups == show)
1406     return;
1407
1408   self->priv->show_groups = show;
1409
1410   /* TODO: block sort/filter? */
1411   clear_view (self);
1412   populate_view (self);
1413
1414   g_object_notify (G_OBJECT (self), "show-groups");
1415 }
1416
1417 static void
1418 select_first_contact (EmpathyRosterView *self)
1419 {
1420   GList *children, *l;
1421
1422   children = gtk_container_get_children (GTK_CONTAINER (self));
1423   for (l = children; l != NULL; l = g_list_next (l))
1424     {
1425       GtkWidget *child = l->data;
1426
1427       if (!gtk_widget_get_child_visible (child))
1428         continue;
1429
1430       if (!EMPATHY_IS_ROSTER_CONTACT (child))
1431         continue;
1432
1433       egg_list_box_select_child (EGG_LIST_BOX (self), child);
1434       break;
1435     }
1436
1437   g_list_free (children);
1438 }
1439
1440 static void
1441 search_text_notify_cb (EmpathyLiveSearch *search,
1442     GParamSpec *pspec,
1443     EmpathyRosterView *self)
1444 {
1445   egg_list_box_refilter (EGG_LIST_BOX (self));
1446
1447   select_first_contact (self);
1448 }
1449
1450 static void
1451 search_activate_cb (GtkWidget *search,
1452   EmpathyRosterView *self)
1453 {
1454   EggListBox *box = EGG_LIST_BOX (self);
1455   GtkWidget *child;
1456
1457   child = egg_list_box_get_selected_child (box);
1458   if (child == NULL)
1459     return;
1460
1461   empathy_roster_view_child_activated (box, child);
1462 }
1463
1464 void
1465 empathy_roster_view_set_live_search (EmpathyRosterView *self,
1466     EmpathyLiveSearch *search)
1467 {
1468   if (self->priv->search != NULL)
1469     {
1470       g_signal_handlers_disconnect_by_func (self->priv->search,
1471           search_text_notify_cb, self);
1472       g_signal_handlers_disconnect_by_func (self->priv->search,
1473           search_activate_cb, self);
1474
1475       g_clear_object (&self->priv->search);
1476     }
1477
1478   if (search == NULL)
1479     return;
1480
1481   self->priv->search = g_object_ref (search);
1482
1483   g_signal_connect (self->priv->search, "notify::text",
1484       G_CALLBACK (search_text_notify_cb), self);
1485   g_signal_connect (self->priv->search, "activate",
1486       G_CALLBACK (search_activate_cb), self);
1487 }
1488
1489 gboolean
1490 empathy_roster_view_is_empty (EmpathyRosterView *self)
1491 {
1492   return self->priv->empty;
1493 }
1494
1495 gboolean
1496 empathy_roster_view_is_searching (EmpathyRosterView *self)
1497 {
1498   return (self->priv->search != NULL &&
1499       gtk_widget_get_visible (GTK_WIDGET (self->priv->search)));
1500 }
1501
1502 /* Don't use EmpathyEvent as I prefer to keep this object not too specific to
1503  * Empathy's internals. */
1504 guint
1505 empathy_roster_view_add_event (EmpathyRosterView *self,
1506     FolksIndividual *individual,
1507     const gchar *icon,
1508     gpointer user_data)
1509 {
1510   GHashTable *contacts;
1511
1512   contacts = g_hash_table_lookup (self->priv->roster_contacts, individual);
1513   if (contacts == NULL)
1514     return 0;
1515
1516   self->priv->last_event_id++;
1517
1518   g_queue_push_head (self->priv->events,
1519       event_new (self->priv->last_event_id, individual, icon, user_data));
1520
1521   start_flashing (self);
1522
1523   return self->priv->last_event_id;
1524 }
1525
1526 void
1527 empathy_roster_view_remove_event (EmpathyRosterView *self,
1528     guint event_id)
1529 {
1530   GList *l;
1531
1532   for (l = g_queue_peek_head_link (self->priv->events); l != NULL;
1533       l = g_list_next (l))
1534     {
1535       Event *event = l->data;
1536
1537       if (event->id == event_id)
1538         {
1539           remove_event (self, event);
1540           return;
1541         }
1542     }
1543 }
1544
1545 FolksIndividual *
1546 empathy_roster_view_get_selected_individual (EmpathyRosterView *self)
1547 {
1548   GtkWidget *child;
1549
1550   child = egg_list_box_get_selected_child (EGG_LIST_BOX (self));
1551
1552   if (!EMPATHY_IS_ROSTER_CONTACT (child))
1553     return NULL;
1554
1555   return empathy_roster_contact_get_individual (EMPATHY_ROSTER_CONTACT (child));
1556 }