libempathy-gtk/empathy-roster-view.c

   1 #include "config.h"
   2 #include "empathy-roster-view.h"
   3
   4 #include <glib/gi18n-lib.h>
   5
   6 #include "empathy-contact-groups.h"
   7 #include "empathy-roster-contact.h"
   8 #include "empathy-roster-group.h"
   9 #include "empathy-ui-utils.h"
  10
  11 G_DEFINE_TYPE (EmpathyRosterView, empathy_roster_view, GTK_TYPE_LIST_BOX)
  12
  13 /* Flashing delay for icons (milliseconds). */
  14 #define FLASH_TIMEOUT 500
  15
  16 /* Delay in milliseconds between the last stroke on the keyboard and the start
  17  * of the live search. */
  18 #define SEARCH_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   guint search_id;
  65
  66   gboolean show_offline;
  67   gboolean show_groups;
  68   gboolean empty;
  69
  70   TpawLiveSearch *search;
  71
  72   EmpathyRosterModel *model;
  73 };
  74
  75 /* Prototypes to break cycles */
  76 static void remove_from_group (EmpathyRosterView *self,
  77     FolksIndividual *individual,
  78     const gchar *group);
  79
  80 typedef struct
  81 {
  82   guint id;
  83   FolksIndividual *individual;
  84   gchar *icon;
  85   gpointer user_data;
  86 } Event;
  87
  88 static Event *
  89 event_new (guint id,
  90     FolksIndividual *individual,
  91     const gchar *icon,
  92     gpointer user_data)
  93 {
  94   Event *event = g_slice_new (Event);
  95
  96   event->id = id;
  97   event->individual = g_object_ref (individual);
  98   event->icon = g_strdup (icon);
  99   event->user_data = user_data;
 100   return event;
 101 }
 102
 103 static void
 104 event_free (gpointer data)
 105 {
 106   Event *event = data;
 107   g_object_unref (event->individual);
 108   g_free (event->icon);
 109
 110   g_slice_free (Event, event);
 111 }
 112
 113 static void
 114 empathy_roster_view_get_property (GObject *object,
 115     guint property_id,
 116     GValue *value,
 117     GParamSpec *pspec)
 118 {
 119   EmpathyRosterView *self = EMPATHY_ROSTER_VIEW (object);
 120
 121   switch (property_id)
 122     {
 123       case PROP_MODEL:
 124         g_value_set_object (value, self->priv->model);
 125         break;
 126       case PROP_SHOW_OFFLINE:
 127         g_value_set_boolean (value, self->priv->show_offline);
 128         break;
 129       case PROP_SHOW_GROUPS:
 130         g_value_set_boolean (value, self->priv->show_groups);
 131         break;
 132       case PROP_EMPTY:
 133         g_value_set_boolean (value, self->priv->empty);
 134         break;
 135       default:
 136         G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
 137         break;
 138     }
 139 }
 140
 141 static void
 142 empathy_roster_view_set_property (GObject *object,
 143     guint property_id,
 144     const GValue *value,
 145     GParamSpec *pspec)
 146 {
 147   EmpathyRosterView *self = EMPATHY_ROSTER_VIEW (object);
 148
 149   switch (property_id)
 150     {
 151       case PROP_MODEL:
 152         g_assert (self->priv->model == NULL);
 153         self->priv->model = g_value_dup_object (value);
 154         break;
 155       case PROP_SHOW_OFFLINE:
 156         empathy_roster_view_show_offline (self, g_value_get_boolean (value));
 157         break;
 158       case PROP_SHOW_GROUPS:
 159         empathy_roster_view_show_groups (self, g_value_get_boolean (value));
 160         break;
 161       default:
 162         G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
 163         break;
 164     }
 165 }
 166
 167 static void
 168 roster_contact_changed_cb (GtkListBoxRow *child,
 169     GParamSpec *spec,
 170     EmpathyRosterView *self)
 171 {
 172   gtk_list_box_row_changed (child);
 173 }
 174
 175 static GtkWidget *
 176 add_roster_contact (EmpathyRosterView *self,
 177     FolksIndividual *individual,
 178     const gchar *group)
 179 {
 180   GtkWidget *contact;
 181
 182   contact = empathy_roster_contact_new (individual, group);
 183
 184   /* Need to refilter if online is changed */
 185   g_signal_connect (contact, "notify::online",
 186       G_CALLBACK (roster_contact_changed_cb), self);
 187
 188   /* Need to resort if alias is changed */
 189   g_signal_connect (contact, "notify::alias",
 190       G_CALLBACK (roster_contact_changed_cb), self);
 191
 192   gtk_widget_show (contact);
 193   gtk_container_add (GTK_CONTAINER (self), contact);
 194
 195   return contact;
 196 }
 197
 198 static void
 199 group_expanded_cb (GtkWidget *expander,
 200     GParamSpec *spec,
 201     EmpathyRosterGroup *group)
 202 {
 203   GList *widgets, *l;
 204
 205   widgets = empathy_roster_group_get_widgets (group);
 206   for (l = widgets; l != NULL; l = g_list_next (l))
 207     {
 208       gtk_list_box_row_changed (l->data);
 209     }
 210
 211   g_list_free (widgets);
 212
 213   empathy_contact_group_set_expanded (empathy_roster_group_get_name (group),
 214       gtk_expander_get_expanded (group->expander));
 215 }
 216
 217 static EmpathyRosterGroup *
 218 lookup_roster_group (EmpathyRosterView *self,
 219     const gchar *group)
 220 {
 221   return g_hash_table_lookup (self->priv->roster_groups, group);
 222 }
 223
 224 static EmpathyRosterGroup *
 225 ensure_roster_group (EmpathyRosterView *self,
 226     const gchar *group)
 227 {
 228   GtkWidget *roster_group;
 229
 230   roster_group = (GtkWidget *) lookup_roster_group (self, group);
 231   if (roster_group != NULL)
 232     return EMPATHY_ROSTER_GROUP (roster_group);
 233
 234   if (!tp_strdiff (group, EMPATHY_ROSTER_MODEL_GROUP_TOP_GROUP))
 235     roster_group = empathy_roster_group_new (group, "emblem-favorite-symbolic");
 236   else if (!tp_strdiff (group, EMPATHY_ROSTER_MODEL_GROUP_PEOPLE_NEARBY))
 237     roster_group = empathy_roster_group_new (group, "im-local-xmpp");
 238   else
 239     roster_group = empathy_roster_group_new (group, NULL);
 240
 241   gtk_expander_set_expanded (EMPATHY_ROSTER_GROUP (roster_group)->expander,
 242       empathy_contact_group_get_expanded (group));
 243
 244   g_signal_connect (EMPATHY_ROSTER_GROUP (roster_group)->expander,
 245       "notify::expanded", G_CALLBACK (group_expanded_cb), roster_group);
 246
 247   gtk_widget_show (roster_group);
 248   gtk_container_add (GTK_CONTAINER (self), roster_group);
 249
 250   g_hash_table_insert (self->priv->roster_groups, g_strdup (group),
 251       roster_group);
 252
 253   return EMPATHY_ROSTER_GROUP (roster_group);
 254 }
 255
 256 static void
 257 update_empty (EmpathyRosterView *self,
 258     gboolean empty)
 259 {
 260   if (self->priv->empty == empty)
 261     return;
 262
 263   self->priv->empty = empty;
 264   g_object_notify (G_OBJECT (self), "empty");
 265 }
 266
 267 static gboolean filter_group (EmpathyRosterView *self,
 268     EmpathyRosterGroup *group);
 269
 270 static gboolean
 271 at_least_one_group_displayed (EmpathyRosterView *self)
 272 {
 273   GHashTableIter iter;
 274   gpointer v;
 275
 276   g_hash_table_iter_init (&iter, self->priv->roster_groups);
 277   while (g_hash_table_iter_next (&iter, NULL, &v))
 278     {
 279       EmpathyRosterGroup *group = EMPATHY_ROSTER_GROUP (v);
 280
 281       if (filter_group (self, group))
 282         return TRUE;
 283     }
 284
 285   return FALSE;
 286 }
 287
 288 static void
 289 check_if_empty (EmpathyRosterView *self)
 290 {
 291   /* Roster is considered as empty if there is no contact *and* no group
 292    * currently displayed. */
 293   if (g_hash_table_size (self->priv->displayed_contacts) != 0 ||
 294       at_least_one_group_displayed (self))
 295     {
 296       update_empty (self, FALSE);
 297       return;
 298     }
 299
 300   update_empty (self, TRUE);
 301 }
 302
 303 static void
 304 update_group_widgets (EmpathyRosterView *self,
 305     EmpathyRosterGroup *group,
 306     EmpathyRosterContact *contact,
 307     gboolean add)
 308 {
 309   guint old_count, count;
 310
 311   old_count = empathy_roster_group_get_widgets_count (group);
 312
 313   if (add)
 314     count = empathy_roster_group_add_widget (group, GTK_WIDGET (contact));
 315   else
 316     count = empathy_roster_group_remove_widget (group, GTK_WIDGET (contact));
 317
 318   if (count != old_count)
 319     {
 320       gtk_list_box_row_changed (GTK_LIST_BOX_ROW (group));
 321
 322       check_if_empty (self);
 323     }
 324 }
 325
 326 static void
 327 add_to_group (EmpathyRosterView *self,
 328     FolksIndividual *individual,
 329     const gchar *group)
 330 {
 331   GtkWidget *contact;
 332   GHashTable *contacts;
 333   EmpathyRosterGroup *roster_group = NULL;
 334
 335   contacts = g_hash_table_lookup (self->priv->roster_contacts, individual);
 336   if (contacts == NULL)
 337     return;
 338
 339   if (g_hash_table_lookup (contacts, group) != NULL)
 340     return;
 341
 342   if (tp_strdiff (group, NO_GROUP))
 343     roster_group = ensure_roster_group (self, group);
 344
 345   contact = add_roster_contact (self, individual, group);
 346   g_hash_table_insert (contacts, g_strdup (group), contact);
 347
 348   if (roster_group != NULL)
 349     {
 350       update_group_widgets (self, roster_group,
 351           EMPATHY_ROSTER_CONTACT (contact), TRUE);
 352     }
 353
 354   if (tp_strdiff (group, NO_GROUP) &&
 355       tp_strdiff (group, EMPATHY_ROSTER_MODEL_GROUP_UNGROUPED) &&
 356       g_hash_table_size (contacts) == 2 /* 1:Ungrouped and 2:first group */)
 357     {
 358       remove_from_group (self, individual,
 359           EMPATHY_ROSTER_MODEL_GROUP_UNGROUPED);
 360     }
 361 }
 362
 363 static void
 364 individual_favourite_change_cb (FolksIndividual *individual,
 365     GParamSpec *spec,
 366     EmpathyRosterView *self)
 367 {
 368   /* We may have to refilter the contact as only favorite contacts are always
 369    * displayed regardless of their presence. */
 370   GHashTable *contacts;
 371   GtkWidget *contact;
 372
 373   contacts = g_hash_table_lookup (self->priv->roster_contacts, individual);
 374   if (contacts == NULL)
 375     return;
 376
 377   if (self->priv->show_groups)
 378     contact = g_hash_table_lookup (contacts,
 379         EMPATHY_ROSTER_MODEL_GROUP_TOP_GROUP);
 380   else
 381     contact = g_hash_table_lookup (contacts, NO_GROUP);
 382
 383   if (contact == NULL)
 384     return;
 385
 386   gtk_list_box_row_changed (GTK_LIST_BOX_ROW (contact));
 387 }
 388
 389 static void
 390 individual_added (EmpathyRosterView *self,
 391     FolksIndividual *individual)
 392 {
 393   GHashTable *contacts;
 394
 395   contacts = g_hash_table_lookup (self->priv->roster_contacts, individual);
 396   if (contacts != NULL)
 397     return;
 398
 399   contacts = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
 400
 401   g_hash_table_insert (self->priv->roster_contacts, individual, contacts);
 402
 403   if (!self->priv->show_groups)
 404     {
 405       add_to_group (self, individual, NO_GROUP);
 406     }
 407   else
 408     {
 409       GList *groups, *l;
 410
 411       groups = empathy_roster_model_dup_groups_for_individual (self->priv->model,
 412           individual);
 413
 414       if (g_list_length (groups) > 0)
 415         {
 416           for (l = groups; l != NULL; l = g_list_next (l))
 417             {
 418               add_to_group (self, individual, l->data);
 419             }
 420         }
 421       else
 422         {
 423           /* No group, adds to Ungrouped */
 424           add_to_group (self, individual, EMPATHY_ROSTER_MODEL_GROUP_UNGROUPED);
 425         }
 426
 427       g_list_free_full (groups, g_free);
 428     }
 429
 430   tp_g_signal_connect_object (individual, "notify::is-favourite",
 431       G_CALLBACK (individual_favourite_change_cb), self, 0);
 432 }
 433
 434 static void
 435 set_event_icon_on_individual (EmpathyRosterView *self,
 436     FolksIndividual *individual,
 437     const gchar *icon)
 438 {
 439   GHashTable *contacts;
 440   GHashTableIter iter;
 441   gpointer v;
 442
 443   contacts = g_hash_table_lookup (self->priv->roster_contacts, individual);
 444   if (contacts == NULL)
 445     return;
 446
 447   g_hash_table_iter_init (&iter, contacts);
 448   while (g_hash_table_iter_next (&iter, NULL, &v))
 449     {
 450       EmpathyRosterContact *contact =v;
 451
 452       empathy_roster_contact_set_event_icon (contact, icon);
 453     }
 454 }
 455
 456 static void
 457 flash_event (Event *event,
 458     EmpathyRosterView *self)
 459 {
 460   set_event_icon_on_individual (self, event->individual, event->icon);
 461 }
 462
 463 static void
 464 unflash_event (Event *event,
 465     EmpathyRosterView *self)
 466 {
 467   set_event_icon_on_individual (self, event->individual, NULL);
 468 }
 469
 470 static gboolean
 471 flash_cb (gpointer data)
 472 {
 473   EmpathyRosterView *self = data;
 474
 475   if (self->priv->display_flash_event)
 476     {
 477       g_queue_foreach (self->priv->events, (GFunc) flash_event, self);
 478       self->priv->display_flash_event = FALSE;
 479     }
 480   else
 481     {
 482       g_queue_foreach (self->priv->events, (GFunc) unflash_event, self);
 483       self->priv->display_flash_event = TRUE;
 484     }
 485
 486   return TRUE;
 487 }
 488
 489 static void
 490 start_flashing (EmpathyRosterView *self)
 491 {
 492   if (self->priv->flash_id != 0)
 493     return;
 494
 495   self->priv->display_flash_event = TRUE;
 496
 497   self->priv->flash_id = g_timeout_add (FLASH_TIMEOUT,
 498       flash_cb, self);
 499 }
 500
 501 static void
 502 stop_flashing (EmpathyRosterView *self)
 503 {
 504   if (self->priv->flash_id == 0)
 505     return;
 506
 507   g_source_remove (self->priv->flash_id);
 508   self->priv->flash_id = 0;
 509 }
 510
 511 static void
 512 remove_event (EmpathyRosterView *self,
 513     Event *event)
 514 {
 515   unflash_event (event, self);
 516   g_queue_remove (self->priv->events, event);
 517
 518   if (g_queue_get_length (self->priv->events) == 0)
 519     {
 520       stop_flashing (self);
 521     }
 522 }
 523
 524 static void
 525 remove_all_individual_event (EmpathyRosterView *self,
 526     FolksIndividual *individual)
 527 {
 528   GList *l;
 529
 530   for (l = g_queue_peek_head_link (self->priv->events); l != NULL;
 531       l = g_list_next (l))
 532     {
 533       Event *event = l->data;
 534
 535       if (event->individual == individual)
 536         {
 537           remove_event (self, event);
 538           return;
 539         }
 540     }
 541 }
 542
 543 static void
 544 individual_removed (EmpathyRosterView *self,
 545     FolksIndividual *individual)
 546 {
 547   GHashTable *contacts;
 548   GHashTableIter iter;
 549   gpointer key, value;
 550
 551   contacts = g_hash_table_lookup (self->priv->roster_contacts, individual);
 552   if (contacts == NULL)
 553     return;
 554
 555   remove_all_individual_event (self, individual);
 556
 557   g_hash_table_iter_init (&iter, contacts);
 558   while (g_hash_table_iter_next (&iter, &key, &value))
 559     {
 560       const gchar *group_name = key;
 561       GtkWidget *contact = value;
 562       EmpathyRosterGroup *group;
 563
 564       group = lookup_roster_group (self, group_name);
 565       if (group != NULL)
 566         {
 567           update_group_widgets (self, group,
 568               EMPATHY_ROSTER_CONTACT (contact), FALSE);
 569         }
 570
 571       gtk_container_remove (GTK_CONTAINER (self), contact);
 572     }
 573
 574   g_hash_table_remove (self->priv->roster_contacts, individual);
 575 }
 576
 577 static void
 578 individual_added_cb (EmpathyRosterModel *model,
 579     FolksIndividual *individual,
 580     EmpathyRosterView *self)
 581 {
 582   individual_added (self, individual);
 583 }
 584
 585 static void
 586 individual_removed_cb (EmpathyRosterModel *model,
 587     FolksIndividual *individual,
 588     EmpathyRosterView *self)
 589 {
 590   individual_removed (self, individual);
 591 }
 592
 593 static gboolean
 594 contact_in_top (EmpathyRosterView *self,
 595     EmpathyRosterContact *contact)
 596 {
 597   if (!self->priv->show_groups)
 598     {
 599       /* Always display top contacts in non-group mode. */
 600       GList *groups;
 601       FolksIndividual *individual;
 602       gboolean result = FALSE;
 603
 604       individual = empathy_roster_contact_get_individual (contact);
 605
 606       groups = empathy_roster_model_dup_groups_for_individual (
 607           self->priv->model, individual);
 608
 609       if (g_list_find_custom (groups, EMPATHY_ROSTER_MODEL_GROUP_TOP_GROUP,
 610             (GCompareFunc) g_strcmp0) != NULL)
 611         result = TRUE;
 612
 613       g_list_free_full (groups, g_free);
 614
 615       return result;
 616     }
 617
 618   if (!tp_strdiff (empathy_roster_contact_get_group (contact),
 619           EMPATHY_ROSTER_MODEL_GROUP_TOP_GROUP))
 620     /* If we are displaying contacts, we only want to *always* display the
 621      * RosterContact which is displayed at the top; not the ones displayed in
 622      * the 'normal' group sections */
 623     return TRUE;
 624
 625   return FALSE;
 626 }
 627
 628 static gint
 629 compare_roster_contacts_by_alias (EmpathyRosterContact *a,
 630     EmpathyRosterContact *b)
 631 {
 632   FolksIndividual *ind_a, *ind_b;
 633   const gchar *alias_a, *alias_b;
 634
 635   ind_a = empathy_roster_contact_get_individual (a);
 636   ind_b = empathy_roster_contact_get_individual (b);
 637
 638   alias_a = folks_alias_details_get_alias (FOLKS_ALIAS_DETAILS (ind_a));
 639   alias_b = folks_alias_details_get_alias (FOLKS_ALIAS_DETAILS (ind_b));
 640
 641   return g_utf8_collate (alias_a, alias_b);
 642 }
 643
 644 static gint
 645 compare_roster_contacts_no_group (EmpathyRosterView *self,
 646     EmpathyRosterContact *a,
 647     EmpathyRosterContact *b)
 648 {
 649   gboolean top_a, top_b;
 650
 651   top_a = contact_in_top (self, a);
 652   top_b = contact_in_top (self, b);
 653
 654   if (top_a == top_b)
 655     /* Both contacts are in the top of the roster (or not). Sort them
 656      * alphabetically */
 657     return compare_roster_contacts_by_alias (a, b);
 658   else if (top_a)
 659     return -1;
 660   else
 661     return 1;
 662 }
 663
 664 static gint
 665 compare_group_names (const gchar *group_a,
 666     const gchar *group_b)
 667 {
 668   if (!tp_strdiff (group_a, EMPATHY_ROSTER_MODEL_GROUP_TOP_GROUP))
 669     return -1;
 670
 671   if (!tp_strdiff (group_b, EMPATHY_ROSTER_MODEL_GROUP_TOP_GROUP))
 672     return 1;
 673
 674   if (!tp_strdiff (group_a, EMPATHY_ROSTER_MODEL_GROUP_UNGROUPED))
 675     return 1;
 676   else if (!tp_strdiff (group_b, EMPATHY_ROSTER_MODEL_GROUP_UNGROUPED))
 677     return -1;
 678
 679   return g_utf8_collate (group_a, group_b);
 680 }
 681
 682 static gint
 683 compare_roster_contacts_with_groups (EmpathyRosterView *self,
 684     EmpathyRosterContact *a,
 685     EmpathyRosterContact *b)
 686 {
 687   const gchar *group_a, *group_b;
 688
 689   group_a = empathy_roster_contact_get_group (a);
 690   group_b = empathy_roster_contact_get_group (b);
 691
 692   if (!tp_strdiff (group_a, group_b))
 693     /* Same group, compare the contacts */
 694     return compare_roster_contacts_by_alias (a, b);
 695
 696   /* Sort by group */
 697   return compare_group_names (group_a, group_b);
 698 }
 699
 700 static gint
 701 compare_roster_contacts (EmpathyRosterView *self,
 702     EmpathyRosterContact *a,
 703     EmpathyRosterContact *b)
 704 {
 705   if (!self->priv->show_groups)
 706     return compare_roster_contacts_no_group (self, a, b);
 707   else
 708     return compare_roster_contacts_with_groups (self, a, b);
 709 }
 710
 711 static gint
 712 compare_roster_groups (EmpathyRosterGroup *a,
 713     EmpathyRosterGroup *b)
 714 {
 715   const gchar *name_a, *name_b;
 716
 717   name_a = empathy_roster_group_get_name (a);
 718   name_b = empathy_roster_group_get_name (b);
 719
 720   return compare_group_names (name_a, name_b);
 721 }
 722
 723 static gint
 724 compare_contact_group (EmpathyRosterContact *contact,
 725     EmpathyRosterGroup *group)
 726 {
 727   const char *contact_group, *group_name;
 728
 729   contact_group = empathy_roster_contact_get_group (contact);
 730   group_name = empathy_roster_group_get_name (group);
 731
 732   if (!tp_strdiff (contact_group, group_name))
 733     /* @contact is in @group, @group has to be displayed first */
 734     return 1;
 735
 736   /* @contact is in a different group, sort by group name */
 737   return compare_group_names (contact_group, group_name);
 738 }
 739
 740 static gint
 741 roster_view_sort (GtkListBoxRow *a,
 742     GtkListBoxRow *b,
 743     gpointer user_data)
 744 {
 745   EmpathyRosterView *self = user_data;
 746
 747   if (EMPATHY_IS_ROSTER_CONTACT (a) && EMPATHY_IS_ROSTER_CONTACT (b))
 748     return compare_roster_contacts (self, EMPATHY_ROSTER_CONTACT (a),
 749         EMPATHY_ROSTER_CONTACT (b));
 750   else if (EMPATHY_IS_ROSTER_GROUP (a) && EMPATHY_IS_ROSTER_GROUP (b))
 751     return compare_roster_groups (EMPATHY_ROSTER_GROUP (a),
 752         EMPATHY_ROSTER_GROUP (b));
 753   else if (EMPATHY_IS_ROSTER_CONTACT (a) && EMPATHY_IS_ROSTER_GROUP (b))
 754     return compare_contact_group (EMPATHY_ROSTER_CONTACT (a),
 755         EMPATHY_ROSTER_GROUP (b));
 756   else if (EMPATHY_IS_ROSTER_GROUP (a) && EMPATHY_IS_ROSTER_CONTACT (b))
 757     return -1 * compare_contact_group (EMPATHY_ROSTER_CONTACT (b),
 758         EMPATHY_ROSTER_GROUP (a));
 759
 760   g_return_val_if_reached (0);
 761 }
 762
 763 static void
 764 update_header (GtkListBoxRow *row,
 765     GtkListBoxRow *before,
 766     gpointer user_data)
 767 {
 768   if (before == NULL)
 769     {
 770       /* No separator before the first row */
 771       gtk_list_box_row_set_header (row, NULL);
 772       return;
 773     }
 774
 775   if (gtk_list_box_row_get_header (row) != NULL)
 776     return;
 777
 778   gtk_list_box_row_set_header (row,
 779       gtk_separator_new (GTK_ORIENTATION_HORIZONTAL));
 780 }
 781
 782 static gboolean
 783 is_searching (EmpathyRosterView *self)
 784 {
 785   if (self->priv->search == NULL)
 786     return FALSE;
 787
 788   return gtk_widget_get_visible (GTK_WIDGET (self->priv->search));
 789 }
 790
 791 static void
 792 add_to_displayed (EmpathyRosterView *self,
 793     EmpathyRosterContact *contact)
 794 {
 795   FolksIndividual *individual;
 796   GHashTable *contacts;
 797   GHashTableIter iter;
 798   gpointer k;
 799
 800   if (g_hash_table_lookup (self->priv->displayed_contacts, contact) != NULL)
 801     return;
 802
 803   g_hash_table_add (self->priv->displayed_contacts, contact);
 804   update_empty (self, FALSE);
 805
 806   /* Groups of this contact may now be displayed if we just displays the first
 807    * child in this group. */
 808
 809   if (!self->priv->show_groups)
 810     return;
 811
 812   individual = empathy_roster_contact_get_individual (contact);
 813   contacts = g_hash_table_lookup (self->priv->roster_contacts, individual);
 814   if (contacts == NULL)
 815     return;
 816
 817   g_hash_table_iter_init (&iter, contacts);
 818   while (g_hash_table_iter_next (&iter, &k, NULL))
 819     {
 820       const gchar *group_name = k;
 821       GtkListBoxRow *group;
 822
 823       group = g_hash_table_lookup (self->priv->roster_groups, group_name);
 824       if (group == NULL)
 825         continue;
 826
 827       gtk_list_box_row_changed (group);
 828     }
 829 }
 830
 831 static void
 832 remove_from_displayed (EmpathyRosterView *self,
 833     EmpathyRosterContact *contact)
 834 {
 835   g_hash_table_remove (self->priv->displayed_contacts, contact);
 836
 837   check_if_empty (self);
 838 }
 839
 840 static gboolean
 841 contact_is_favorite (EmpathyRosterContact *contact)
 842 {
 843   FolksIndividual *individual;
 844
 845   individual = empathy_roster_contact_get_individual (contact);
 846
 847   return folks_favourite_details_get_is_favourite (
 848       FOLKS_FAVOURITE_DETAILS (individual));
 849 }
 850
 851 /**
 852  * check if @contact should be displayed according to @self's current status
 853  * and without consideration for the state of @contact's groups.
 854  */
 855 static gboolean
 856 contact_should_be_displayed (EmpathyRosterView *self,
 857     EmpathyRosterContact *contact)
 858 {
 859   if (is_searching (self))
 860     {
 861       FolksIndividual *individual;
 862
 863       individual = empathy_roster_contact_get_individual (contact);
 864
 865       return empathy_individual_match_string (individual,
 866           tpaw_live_search_get_text (self->priv->search),
 867           tpaw_live_search_get_words (self->priv->search));
 868     }
 869
 870   if (self->priv->show_offline)
 871       return TRUE;
 872
 873   if (contact_in_top (self, contact) &&
 874       contact_is_favorite (contact))
 875     /* Favorite top contacts are always displayed */
 876     return TRUE;
 877
 878   return empathy_roster_contact_is_online (contact);
 879 }
 880
 881
 882 static gboolean
 883 filter_contact (EmpathyRosterView *self,
 884     EmpathyRosterContact *contact)
 885 {
 886   gboolean displayed;
 887
 888   displayed = contact_should_be_displayed (self, contact);
 889
 890   if (self->priv->show_groups)
 891     {
 892       const gchar *group_name;
 893       EmpathyRosterGroup *group;
 894
 895       group_name = empathy_roster_contact_get_group (contact);
 896       group = lookup_roster_group (self, group_name);
 897
 898       if (group != NULL)
 899         {
 900           /* When searching, always display even if the group is closed */
 901           if (!is_searching (self) &&
 902               !gtk_expander_get_expanded (group->expander))
 903             displayed = FALSE;
 904         }
 905     }
 906
 907   if (displayed)
 908     {
 909       add_to_displayed (self, contact);
 910     }
 911   else
 912     {
 913       remove_from_displayed (self, contact);
 914     }
 915
 916   return displayed;
 917 }
 918
 919 static gboolean
 920 filter_group (EmpathyRosterView *self,
 921     EmpathyRosterGroup *group)
 922 {
 923   GList *widgets, *l;
 924   gboolean result = FALSE;
 925
 926   /* Display the group if it contains at least one displayed contact */
 927   widgets = empathy_roster_group_get_widgets (group);
 928   for (l = widgets; l != NULL; l = g_list_next (l))
 929     {
 930       EmpathyRosterContact *contact = l->data;
 931
 932       if (contact_should_be_displayed (self, contact))
 933         {
 934           result = TRUE;
 935           break;
 936         }
 937     }
 938
 939   g_list_free (widgets);
 940
 941   return result;
 942 }
 943
 944 static gboolean
 945 filter_list (GtkListBoxRow *child,
 946     gpointer user_data)
 947 {
 948   EmpathyRosterView *self = user_data;
 949
 950   if (EMPATHY_IS_ROSTER_CONTACT (child))
 951     return filter_contact (self, EMPATHY_ROSTER_CONTACT (child));
 952
 953   else if (EMPATHY_IS_ROSTER_GROUP (child))
 954     return filter_group (self, EMPATHY_ROSTER_GROUP (child));
 955
 956   g_return_val_if_reached (FALSE);
 957 }
 958
 959 static void
 960 populate_view (EmpathyRosterView *self)
 961 {
 962   GList *individuals, *l;
 963
 964   individuals = empathy_roster_model_get_individuals (self->priv->model);
 965   for (l = individuals; l != NULL; l = g_list_next (l))
 966     {
 967       FolksIndividual *individual = l->data;
 968
 969       individual_added (self, individual);
 970     }
 971
 972   g_list_free (individuals);
 973 }
 974
 975 static void
 976 remove_from_group (EmpathyRosterView *self,
 977     FolksIndividual *individual,
 978     const gchar *group)
 979 {
 980   GHashTable *contacts;
 981   GtkWidget *contact;
 982   EmpathyRosterGroup *roster_group;
 983
 984   contacts = g_hash_table_lookup (self->priv->roster_contacts, individual);
 985   if (contacts == NULL)
 986     return;
 987
 988   contact = g_hash_table_lookup (contacts, group);
 989   if (contact == NULL)
 990     return;
 991
 992   g_hash_table_remove (contacts, group);
 993
 994   if (g_hash_table_size (contacts) == 0)
 995     {
 996       add_to_group (self, individual, EMPATHY_ROSTER_MODEL_GROUP_UNGROUPED);
 997     }
 998
 999   roster_group = lookup_roster_group (self, group);
1000
1001   if (roster_group != NULL)
1002     {
1003       update_group_widgets (self, roster_group,
1004           EMPATHY_ROSTER_CONTACT (contact), FALSE);
1005     }
1006
1007   gtk_container_remove (GTK_CONTAINER (self), contact);
1008 }
1009
1010 static void
1011 groups_changed_cb (EmpathyRosterModel *model,
1012     FolksIndividual *individual,
1013     const gchar *group,
1014     gboolean is_member,
1015     EmpathyRosterView *self)
1016 {
1017   if (!self->priv->show_groups)
1018     {
1019       gtk_list_box_invalidate_sort (GTK_LIST_BOX (self));
1020       return;
1021     }
1022
1023   if (is_member)
1024     {
1025       add_to_group (self, individual, group);
1026     }
1027   else
1028     {
1029       remove_from_group (self, individual, group);
1030     }
1031 }
1032
1033 static void
1034 empathy_roster_view_constructed (GObject *object)
1035 {
1036   EmpathyRosterView *self = EMPATHY_ROSTER_VIEW (object);
1037   void (*chain_up) (GObject *) =
1038       ((GObjectClass *) empathy_roster_view_parent_class)->constructed;
1039
1040   if (chain_up != NULL)
1041     chain_up (object);
1042
1043   g_assert (EMPATHY_IS_ROSTER_MODEL (self->priv->model));
1044
1045   /* Get saved group states. */
1046   empathy_contact_groups_get_all ();
1047
1048   populate_view (self);
1049
1050   tp_g_signal_connect_object (self->priv->model, "individual-added",
1051       G_CALLBACK (individual_added_cb), self, 0);
1052   tp_g_signal_connect_object (self->priv->model, "individual-removed",
1053       G_CALLBACK (individual_removed_cb), self, 0);
1054   tp_g_signal_connect_object (self->priv->model, "groups-changed",
1055       G_CALLBACK (groups_changed_cb), self, 0);
1056
1057   gtk_list_box_set_sort_func (GTK_LIST_BOX (self),
1058       roster_view_sort, self, NULL);
1059
1060   gtk_list_box_set_header_func (GTK_LIST_BOX (self), update_header, self, NULL);
1061
1062   gtk_list_box_set_filter_func (GTK_LIST_BOX (self), filter_list, self, NULL);
1063
1064   gtk_list_box_set_activate_on_single_click (GTK_LIST_BOX (self), FALSE);
1065 }
1066
1067 static void
1068 clear_view (EmpathyRosterView *self)
1069 {
1070   g_hash_table_remove_all (self->priv->roster_contacts);
1071   g_hash_table_remove_all (self->priv->roster_groups);
1072   g_hash_table_remove_all (self->priv->displayed_contacts);
1073
1074   gtk_container_foreach (GTK_CONTAINER (self),
1075       (GtkCallback) gtk_widget_destroy, NULL);
1076 }
1077
1078 static void
1079 empathy_roster_view_dispose (GObject *object)
1080 {
1081   EmpathyRosterView *self = EMPATHY_ROSTER_VIEW (object);
1082   void (*chain_up) (GObject *) =
1083       ((GObjectClass *) empathy_roster_view_parent_class)->dispose;
1084
1085   /* Start by clearing the view so our internal hash tables are cleared from
1086    * objects being destroyed. */
1087   clear_view (self);
1088
1089   stop_flashing (self);
1090
1091   empathy_roster_view_set_live_search (self, NULL);
1092   g_clear_object (&self->priv->model);
1093
1094   if (self->priv->search_id != 0)
1095     {
1096       g_source_remove (self->priv->search_id);
1097       self->priv->search_id = 0;
1098     }
1099
1100   if (chain_up != NULL)
1101     chain_up (object);
1102 }
1103
1104 static void
1105 empathy_roster_view_finalize (GObject *object)
1106 {
1107   EmpathyRosterView *self = EMPATHY_ROSTER_VIEW (object);
1108   void (*chain_up) (GObject *) =
1109       ((GObjectClass *) empathy_roster_view_parent_class)->finalize;
1110
1111   g_hash_table_unref (self->priv->roster_contacts);
1112   g_hash_table_unref (self->priv->roster_groups);
1113   g_hash_table_unref (self->priv->displayed_contacts);
1114   g_queue_free_full (self->priv->events, event_free);
1115
1116   if (chain_up != NULL)
1117     chain_up (object);
1118 }
1119
1120 static void
1121 empathy_roster_view_row_activated (GtkListBox *box,
1122     GtkListBoxRow *row)
1123 {
1124   EmpathyRosterView *self = EMPATHY_ROSTER_VIEW (box);
1125   EmpathyRosterContact *contact;
1126   FolksIndividual *individual;
1127   GList *l;
1128
1129   if (!EMPATHY_IS_ROSTER_CONTACT (row))
1130     return;
1131
1132   contact = EMPATHY_ROSTER_CONTACT (row);
1133   individual = empathy_roster_contact_get_individual (contact);
1134
1135   /* Activate the oldest event associated with this contact, if any */
1136   for (l = g_queue_peek_tail_link (self->priv->events); l != NULL;
1137       l = g_list_previous (l))
1138     {
1139       Event *event = l->data;
1140
1141       if (event->individual == individual)
1142         {
1143           g_signal_emit (box, signals[SIG_EVENT_ACTIVATED], 0, individual,
1144               event->user_data);
1145           return;
1146         }
1147     }
1148
1149   g_signal_emit (box, signals[SIG_INDIVIDUAL_ACTIVATED], 0, individual);
1150 }
1151
1152 static void
1153 fire_popup_individual_menu (EmpathyRosterView *self,
1154     GtkListBoxRow *row,
1155     guint button,
1156     guint time)
1157 {
1158   EmpathyRosterContact *contact;
1159   FolksIndividual *individual;
1160   const gchar *active_group;
1161
1162   if (!EMPATHY_IS_ROSTER_CONTACT (row))
1163     return;
1164
1165   contact = EMPATHY_ROSTER_CONTACT (row);
1166   individual = empathy_roster_contact_get_individual (contact);
1167
1168   active_group = empathy_roster_contact_get_group (contact);
1169   g_signal_emit (self, signals[SIG_POPUP_INDIVIDUAL_MENU], 0,
1170       active_group, individual, button, time);
1171 }
1172
1173 static gboolean
1174 empathy_roster_view_button_press_event (GtkWidget *widget,
1175     GdkEventButton *event)
1176 {
1177   EmpathyRosterView *self = EMPATHY_ROSTER_VIEW (widget);
1178   gboolean (*chain_up) (GtkWidget *, GdkEventButton *) =
1179       ((GtkWidgetClass *) empathy_roster_view_parent_class)->button_press_event;
1180
1181   if (event->button == 3)
1182     {
1183       GtkListBoxRow *row;
1184
1185       row = gtk_list_box_get_row_at_y (GTK_LIST_BOX (self), event->y);
1186
1187       if (row != NULL)
1188         {
1189           gtk_list_box_select_row (GTK_LIST_BOX (self), row);
1190
1191           fire_popup_individual_menu (self, row, event->button, event->time);
1192         }
1193     }
1194
1195   return chain_up (widget, event);
1196 }
1197
1198 static gboolean
1199 empathy_roster_view_key_press_event (GtkWidget *widget,
1200     GdkEventKey *event)
1201 {
1202   EmpathyRosterView *self = EMPATHY_ROSTER_VIEW (widget);
1203   gboolean (*chain_up) (GtkWidget *, GdkEventKey *) =
1204       ((GtkWidgetClass *) empathy_roster_view_parent_class)->key_press_event;
1205
1206   if (event->keyval == GDK_KEY_Menu)
1207     {
1208       GtkListBoxRow *row;
1209
1210       row = gtk_list_box_get_selected_row (GTK_LIST_BOX (self));
1211
1212       if (row != NULL)
1213         fire_popup_individual_menu (self, row, 0, event->time);
1214     }
1215
1216   return chain_up (widget, event);
1217 }
1218
1219 /**
1220  * @out_row: (out) (allow-none)
1221  */
1222 FolksIndividual *
1223 empathy_roster_view_get_individual_at_y (EmpathyRosterView *self,
1224     gint y,
1225     GtkListBoxRow **out_row)
1226 {
1227   GtkListBoxRow *row;
1228
1229   row = gtk_list_box_get_row_at_y (GTK_LIST_BOX (self), y);
1230
1231   if (out_row != NULL)
1232     *out_row = row;
1233
1234   if (!EMPATHY_IS_ROSTER_CONTACT (row))
1235     return NULL;
1236
1237   return empathy_roster_contact_get_individual (EMPATHY_ROSTER_CONTACT (row));
1238 }
1239
1240 const gchar *
1241 empathy_roster_view_get_group_at_y (EmpathyRosterView *self,
1242     gint y)
1243 {
1244   GtkListBoxRow *row;
1245
1246   row = gtk_list_box_get_row_at_y (GTK_LIST_BOX (self), y);
1247
1248   if (EMPATHY_IS_ROSTER_CONTACT (row))
1249     return empathy_roster_contact_get_group (EMPATHY_ROSTER_CONTACT (row));
1250   else if (EMPATHY_IS_ROSTER_GROUP (row))
1251     return empathy_roster_group_get_name (EMPATHY_ROSTER_GROUP (row));
1252
1253   return NULL;
1254 }
1255
1256 static gboolean
1257 empathy_roster_view_query_tooltip (GtkWidget *widget,
1258     gint x,
1259     gint y,
1260     gboolean keyboard_mode,
1261     GtkTooltip *tooltip)
1262 {
1263   EmpathyRosterView *self = EMPATHY_ROSTER_VIEW (widget);
1264   FolksIndividual *individual;
1265   gboolean result;
1266   GtkListBoxRow *row;
1267
1268   individual = empathy_roster_view_get_individual_at_y (self, y, &row);
1269   if (individual == NULL)
1270     return FALSE;
1271
1272   g_signal_emit (self, signals[SIG_INDIVIDUAL_TOOLTIP], 0,
1273       individual, keyboard_mode, tooltip, &result);
1274
1275   if (result)
1276     {
1277       GtkAllocation allocation;
1278
1279       gtk_widget_get_allocation (GTK_WIDGET (row), &allocation);
1280       gtk_tooltip_set_tip_area (tooltip, (GdkRectangle *) &allocation);
1281     }
1282
1283   return result;
1284 }
1285
1286 static void
1287 empathy_roster_view_remove (GtkContainer *container,
1288     GtkWidget *widget)
1289 {
1290   EmpathyRosterView *self = EMPATHY_ROSTER_VIEW (container);
1291   void (*chain_up) (GtkContainer *, GtkWidget *) =
1292       ((GtkContainerClass *) empathy_roster_view_parent_class)->remove;
1293
1294   chain_up (container, widget);
1295
1296   if (EMPATHY_IS_ROSTER_CONTACT (widget))
1297     remove_from_displayed (self, (EmpathyRosterContact *) widget);
1298 }
1299
1300 static void
1301 empathy_roster_view_class_init (
1302     EmpathyRosterViewClass *klass)
1303 {
1304   GObjectClass *oclass = G_OBJECT_CLASS (klass);
1305   GtkListBoxClass *box_class = GTK_LIST_BOX_CLASS (klass);
1306   GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
1307   GtkContainerClass *container_class = GTK_CONTAINER_CLASS (klass);
1308   GParamSpec *spec;
1309
1310   oclass->get_property = empathy_roster_view_get_property;
1311   oclass->set_property = empathy_roster_view_set_property;
1312   oclass->constructed = empathy_roster_view_constructed;
1313   oclass->dispose = empathy_roster_view_dispose;
1314   oclass->finalize = empathy_roster_view_finalize;
1315
1316   widget_class->button_press_event = empathy_roster_view_button_press_event;
1317   widget_class->key_press_event = empathy_roster_view_key_press_event;
1318   widget_class->query_tooltip = empathy_roster_view_query_tooltip;
1319
1320   container_class->remove = empathy_roster_view_remove;
1321
1322   box_class->row_activated = empathy_roster_view_row_activated;
1323
1324   spec = g_param_spec_object ("model", "Model",
1325       "EmpathyRosterModel",
1326       EMPATHY_TYPE_ROSTER_MODEL,
1327       G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS);
1328   g_object_class_install_property (oclass, PROP_MODEL, spec);
1329
1330   spec = g_param_spec_boolean ("show-offline", "Show Offline",
1331       "Show offline contacts",
1332       FALSE,
1333       G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
1334   g_object_class_install_property (oclass, PROP_SHOW_OFFLINE, spec);
1335
1336   spec = g_param_spec_boolean ("show-groups", "Show Groups",
1337       "Show groups",
1338       FALSE,
1339       G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
1340   g_object_class_install_property (oclass, PROP_SHOW_GROUPS, spec);
1341
1342   spec = g_param_spec_boolean ("empty", "Empty",
1343       "Is the view currently empty?",
1344       FALSE,
1345       G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
1346   g_object_class_install_property (oclass, PROP_EMPTY, spec);
1347
1348   signals[SIG_INDIVIDUAL_ACTIVATED] = g_signal_new ("individual-activated",
1349       G_OBJECT_CLASS_TYPE (klass),
1350       G_SIGNAL_RUN_LAST,
1351       0, NULL, NULL, NULL,
1352       G_TYPE_NONE,
1353       1, FOLKS_TYPE_INDIVIDUAL);
1354
1355   signals[SIG_POPUP_INDIVIDUAL_MENU] = g_signal_new ("popup-individual-menu",
1356       G_OBJECT_CLASS_TYPE (klass),
1357       G_SIGNAL_RUN_LAST,
1358       0, NULL, NULL, NULL,
1359       G_TYPE_NONE,
1360       4, G_TYPE_STRING, FOLKS_TYPE_INDIVIDUAL, G_TYPE_UINT,
1361           G_TYPE_UINT);
1362
1363   signals[SIG_EVENT_ACTIVATED] = g_signal_new ("event-activated",
1364       G_OBJECT_CLASS_TYPE (klass),
1365       G_SIGNAL_RUN_LAST,
1366       0, NULL, NULL, NULL,
1367       G_TYPE_NONE,
1368       2, FOLKS_TYPE_INDIVIDUAL, G_TYPE_POINTER);
1369
1370   signals[SIG_INDIVIDUAL_TOOLTIP] = g_signal_new ("individual-tooltip",
1371       G_OBJECT_CLASS_TYPE (klass),
1372       G_SIGNAL_RUN_LAST,
1373       0, g_signal_accumulator_true_handled, NULL, NULL,
1374       G_TYPE_BOOLEAN,
1375       3, FOLKS_TYPE_INDIVIDUAL, G_TYPE_BOOLEAN, GTK_TYPE_TOOLTIP);
1376
1377   g_type_class_add_private (klass, sizeof (EmpathyRosterViewPriv));
1378 }
1379
1380 static void
1381 empathy_roster_view_init (EmpathyRosterView *self)
1382 {
1383   self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
1384       EMPATHY_TYPE_ROSTER_VIEW, EmpathyRosterViewPriv);
1385
1386   self->priv->roster_contacts = g_hash_table_new_full (NULL, NULL,
1387       NULL, (GDestroyNotify) g_hash_table_unref);
1388   self->priv->roster_groups = g_hash_table_new_full (g_str_hash, g_str_equal,
1389       g_free, NULL);
1390   self->priv->displayed_contacts = g_hash_table_new (NULL, NULL);
1391
1392   self->priv->events = g_queue_new ();
1393
1394   self->priv->empty = TRUE;
1395 }
1396
1397 GtkWidget *
1398 empathy_roster_view_new (EmpathyRosterModel *model)
1399 {
1400   g_return_val_if_fail (EMPATHY_IS_ROSTER_MODEL (model), NULL);
1401
1402   return g_object_new (EMPATHY_TYPE_ROSTER_VIEW,
1403       "model", model,
1404       NULL);
1405 }
1406
1407 void
1408 empathy_roster_view_show_offline (EmpathyRosterView *self,
1409     gboolean show)
1410 {
1411   if (self->priv->show_offline == show)
1412     return;
1413
1414   self->priv->show_offline = show;
1415   gtk_list_box_invalidate_filter (GTK_LIST_BOX (self));
1416
1417   g_object_notify (G_OBJECT (self), "show-offline");
1418 }
1419
1420 void
1421 empathy_roster_view_show_groups (EmpathyRosterView *self,
1422     gboolean show)
1423 {
1424   if (self->priv->show_groups == show)
1425     return;
1426
1427   self->priv->show_groups = show;
1428
1429   /* TODO: block sort/filter? */
1430   clear_view (self);
1431   populate_view (self);
1432
1433   g_object_notify (G_OBJECT (self), "show-groups");
1434 }
1435
1436 static void
1437 select_first_contact (EmpathyRosterView *self)
1438 {
1439   GList *children, *l;
1440
1441   children = gtk_container_get_children (GTK_CONTAINER (self));
1442   for (l = children; l != NULL; l = g_list_next (l))
1443     {
1444       GtkWidget *child = l->data;
1445
1446       if (!gtk_widget_get_child_visible (child))
1447         continue;
1448
1449       if (!EMPATHY_IS_ROSTER_CONTACT (child))
1450         continue;
1451
1452       gtk_list_box_select_row (GTK_LIST_BOX (self), GTK_LIST_BOX_ROW (child));
1453       break;
1454     }
1455
1456   g_list_free (children);
1457 }
1458
1459 static gboolean
1460 search_timeout_cb (EmpathyRosterView *self)
1461 {
1462   gtk_list_box_invalidate_filter (GTK_LIST_BOX (self));
1463
1464   select_first_contact (self);
1465
1466   self->priv->search_id = 0;
1467   return G_SOURCE_REMOVE;
1468 }
1469
1470 static void
1471 search_text_notify_cb (TpawLiveSearch *search,
1472     GParamSpec *pspec,
1473     EmpathyRosterView *self)
1474 {
1475   if (self->priv->search_id != 0)
1476     g_source_remove (self->priv->search_id);
1477
1478   self->priv->search_id = g_timeout_add (SEARCH_TIMEOUT,
1479       (GSourceFunc) search_timeout_cb, self);
1480 }
1481
1482 static void
1483 search_activate_cb (GtkWidget *search,
1484   EmpathyRosterView *self)
1485 {
1486   GtkListBox *box = GTK_LIST_BOX (self);
1487   GtkListBoxRow *row;
1488
1489   row = gtk_list_box_get_selected_row (box);
1490   if (row == NULL)
1491     return;
1492
1493   empathy_roster_view_row_activated (box, row);
1494 }
1495
1496 void
1497 empathy_roster_view_set_live_search (EmpathyRosterView *self,
1498     TpawLiveSearch *search)
1499 {
1500   if (self->priv->search != NULL)
1501     {
1502       g_signal_handlers_disconnect_by_func (self->priv->search,
1503           search_text_notify_cb, self);
1504       g_signal_handlers_disconnect_by_func (self->priv->search,
1505           search_activate_cb, self);
1506
1507       g_clear_object (&self->priv->search);
1508     }
1509
1510   if (search == NULL)
1511     return;
1512
1513   self->priv->search = g_object_ref (search);
1514
1515   g_signal_connect (self->priv->search, "notify::text",
1516       G_CALLBACK (search_text_notify_cb), self);
1517   g_signal_connect (self->priv->search, "activate",
1518       G_CALLBACK (search_activate_cb), self);
1519 }
1520
1521 gboolean
1522 empathy_roster_view_is_empty (EmpathyRosterView *self)
1523 {
1524   return self->priv->empty;
1525 }
1526
1527 gboolean
1528 empathy_roster_view_is_searching (EmpathyRosterView *self)
1529 {
1530   return (self->priv->search != NULL &&
1531       gtk_widget_get_visible (GTK_WIDGET (self->priv->search)));
1532 }
1533
1534 /* Don't use EmpathyEvent as I prefer to keep this object not too specific to
1535  * Empathy's internals. */
1536 guint
1537 empathy_roster_view_add_event (EmpathyRosterView *self,
1538     FolksIndividual *individual,
1539     const gchar *icon,
1540     gpointer user_data)
1541 {
1542   GHashTable *contacts;
1543
1544   contacts = g_hash_table_lookup (self->priv->roster_contacts, individual);
1545   if (contacts == NULL)
1546     return 0;
1547
1548   self->priv->last_event_id++;
1549
1550   g_queue_push_head (self->priv->events,
1551       event_new (self->priv->last_event_id, individual, icon, user_data));
1552
1553   start_flashing (self);
1554
1555   return self->priv->last_event_id;
1556 }
1557
1558 void
1559 empathy_roster_view_remove_event (EmpathyRosterView *self,
1560     guint event_id)
1561 {
1562   GList *l;
1563
1564   for (l = g_queue_peek_head_link (self->priv->events); l != NULL;
1565       l = g_list_next (l))
1566     {
1567       Event *event = l->data;
1568
1569       if (event->id == event_id)
1570         {
1571           remove_event (self, event);
1572           return;
1573         }
1574     }
1575 }
1576
1577 FolksIndividual *
1578 empathy_roster_view_get_selected_individual (EmpathyRosterView *self)
1579 {
1580   GtkListBoxRow *row;
1581
1582   row = gtk_list_box_get_selected_row (GTK_LIST_BOX (self));
1583
1584   if (!EMPATHY_IS_ROSTER_CONTACT (row))
1585     return NULL;
1586
1587   return empathy_roster_contact_get_individual (EMPATHY_ROSTER_CONTACT (row));
1588 }