roster-model: add API to track individuals

1 files changed, 55 insertions, 0 deletions

diff --git a/libempathy-gtk/empathy-roster-model.c b/libempathy-gtk/empathy-roster-model.c
index f8a890aec..ce86e58a6 100644
--- a/libempathy-gtk/empathy-roster-model.c
+++ b/libempathy-gtk/empathy-roster-model.c
@@ -23,7 +23,62 @@
 
 G_DEFINE_INTERFACE (EmpathyRosterModel, empathy_roster_model, G_TYPE_OBJECT)
 
+enum
+{
+  SIG_INDIVIDUAL_ADDED,
+  SIG_INDIVIDUAL_REMOVED,
+  LAST_SIGNAL
+};
+
+static guint signals[LAST_SIGNAL];
+
 static void
 empathy_roster_model_default_init (EmpathyRosterModelInterface *iface)
 {
+  signals[SIG_INDIVIDUAL_ADDED] =
+    g_signal_new ("individual-added",
+        EMPATHY_TYPE_ROSTER_MODEL,
+        G_SIGNAL_RUN_LAST,
+        0, NULL, NULL, NULL,
+        G_TYPE_NONE, 1,
+        FOLKS_TYPE_INDIVIDUAL);
+
+  signals[SIG_INDIVIDUAL_REMOVED] =
+    g_signal_new ("individual-removed",
+        EMPATHY_TYPE_ROSTER_MODEL,
+        G_SIGNAL_RUN_LAST,
+        0, NULL, NULL, NULL,
+        G_TYPE_NONE, 1,
+        FOLKS_TYPE_INDIVIDUAL);
+}
+
+/***** Restricted *****/
+
+void
+empathy_roster_model_fire_individual_added (EmpathyRosterModel *self,
+    FolksIndividual *individual)
+{
+  g_signal_emit (self, signals[SIG_INDIVIDUAL_ADDED], 0, individual);
+}
+
+void
+empathy_roster_model_fire_individual_removed (EmpathyRosterModel *self,
+    FolksIndividual *individual)
+{
+  g_signal_emit (self, signals[SIG_INDIVIDUAL_REMOVED], 0, individual);
+}
+
+/***** Public *****/
+
+GList *
+empathy_roster_model_get_individuals (EmpathyRosterModel *self)
+{
+  EmpathyRosterModelInterface *iface;
+
+  g_return_val_if_fail (EMPATHY_IS_ROSTER_MODEL (self), NULL);
+
+  iface = EMPATHY_ROSTER_MODEL_GET_IFACE (self);
+  g_return_val_if_fail (iface->get_individuals != NULL, NULL);
+
+  return (* iface->get_individuals) (self);
 }