[empathy] add empathy_roster_contact_set_event_icon()

[Guillaume Desmottes <gdesmott src gnome org>]

commit 4726282c4b6985a0b34e77b7b7955bcad233cf50
Author: Guillaume Desmottes <guillaume desmottes collabora co uk>
Date:   Mon Jun 11 12:17:43 2012 +0200

    add empathy_roster_contact_set_event_icon()
    
    Will be used to display events in the contact list.

 libempathy-gtk/empathy-roster-contact.c |   22 +++++++++++++++++++++-
 libempathy-gtk/empathy-roster-contact.h |    3 +++
 2 files changed, 24 insertions(+), 1 deletions(-)
---
diff --git a/libempathy-gtk/empathy-roster-contact.c b/libempathy-gtk/empathy-roster-contact.c
index ef3d9ec..6e2014a 100644
--- a/libempathy-gtk/empathy-roster-contact.c
+++ b/libempathy-gtk/empathy-roster-contact.c
@@ -43,6 +43,9 @@ struct _EmpathyRosterContactPriv
   GtkWidget *presence_icon;
   GtkWidget *phone_icon;
 
+  /* If not NULL, used instead of the individual's presence icon */
+  gchar *event_icon;
+
   gboolean online;
 };
 
@@ -227,7 +230,10 @@ update_presence_icon (EmpathyRosterContact *self)
 {
   const gchar *icon;
 
-  icon = empathy_icon_name_for_individual (self->priv->individual);
+  if (self->priv->event_icon == NULL)
+    icon = empathy_icon_name_for_individual (self->priv->individual);
+  else
+    icon = self->priv->event_icon;
 
   gtk_image_set_from_icon_name (GTK_IMAGE (self->priv->presence_icon), icon,
       GTK_ICON_SIZE_MENU);
@@ -331,6 +337,7 @@ empathy_roster_contact_finalize (GObject *object)
       ((GObjectClass *) empathy_roster_contact_parent_class)->finalize;
 
   g_free (self->priv->group);
+  g_free (self->priv->event_icon);
 
   if (chain_up != NULL)
     chain_up (object);
@@ -477,3 +484,16 @@ empathy_roster_contact_get_group (EmpathyRosterContact *self)
 {
   return self->priv->group;
 }
+
+void
+empathy_roster_contact_set_event_icon (EmpathyRosterContact *self,
+    const gchar *icon)
+{
+  if (!tp_strdiff (self->priv->event_icon, icon))
+    return;
+
+  g_free (self->priv->event_icon);
+  self->priv->event_icon = g_strdup (icon);
+
+  update_presence_icon (self);
+}
diff --git a/libempathy-gtk/empathy-roster-contact.h b/libempathy-gtk/empathy-roster-contact.h
index a7c5b08..a488e94 100644
--- a/libempathy-gtk/empathy-roster-contact.h
+++ b/libempathy-gtk/empathy-roster-contact.h
@@ -56,6 +56,9 @@ const gchar * empathy_roster_contact_get_group (EmpathyRosterContact *self);
 
 gboolean empathy_roster_contact_is_online (EmpathyRosterContact *self);
 
+void empathy_roster_contact_set_event_icon (EmpathyRosterContact *self,
+    const gchar *icon);
+
 G_END_DECLS
 
 #endif /* #ifndef __EMPATHY_ROSTER_CONTACT_H__*/