[empathy] EmpathyChatView: add vfunc for showing/hiding avatars

[Guillaume Desmottes <gdesmott src gnome org>]

commit 36dc0639473930ac596bdbf08f6ea0a6a8471f7c
Author: Will Thompson <will thompson collabora co uk>
Date:   Wed Jun 27 10:29:16 2012 +0100

    EmpathyChatView: add vfunc for showing/hiding avatars
    
    https://bugzilla.gnome.org/show_bug.cgi?id=627948

 libempathy-gtk/empathy-chat-view.c |   20 ++++++++++++++++++++
 libempathy-gtk/empathy-chat-view.h |    4 ++++
 2 files changed, 24 insertions(+), 0 deletions(-)
---
diff --git a/libempathy-gtk/empathy-chat-view.c b/libempathy-gtk/empathy-chat-view.c
index f5d6ddf..7d35efb 100644
--- a/libempathy-gtk/empathy-chat-view.c
+++ b/libempathy-gtk/empathy-chat-view.c
@@ -253,3 +253,23 @@ empathy_chat_view_message_acknowledged (EmpathyChatView *view,
 	}
 }
 
+/*
+ * empathy_chat_view_set_show_avatars:
+ * @view: a chat view
+ * @show_avatars: TRUE if contacts' avatars should be shown alongside their name
+ *
+ * At present, this is only called on freshly-constructed chat views based on
+ * whether or not the protocol supports avatars at all. Hence, themes don't
+ * have to worry about retroactively showing or hiding avatars in the
+ * scrollback.
+ */
+void
+empathy_chat_view_set_show_avatars (EmpathyChatView *view,
+				    gboolean show_avatars)
+{
+	g_return_if_fail (EMPATHY_IS_CHAT_VIEW (view));
+
+	if (EMPATHY_TYPE_CHAT_VIEW_GET_IFACE (view)->set_show_avatars) {
+		EMPATHY_TYPE_CHAT_VIEW_GET_IFACE (view)->set_show_avatars (view, show_avatars);
+	}
+}
diff --git a/libempathy-gtk/empathy-chat-view.h b/libempathy-gtk/empathy-chat-view.h
index 2c47e04..b263219 100644
--- a/libempathy-gtk/empathy-chat-view.h
+++ b/libempathy-gtk/empathy-chat-view.h
@@ -78,6 +78,8 @@ struct _EmpathyChatViewIface {
 						  gboolean         has_focus);
 	void             (*message_acknowledged) (EmpathyChatView *view,
 						  EmpathyMessage  *message);
+	void             (*set_show_avatars)     (EmpathyChatView *view,
+						  gboolean         show_avatars);
 };
 
 GType            empathy_chat_view_get_type             (void) G_GNUC_CONST;
@@ -117,6 +119,8 @@ void             empathy_chat_view_focus_toggled        (EmpathyChatView *view,
 							 gboolean         has_focus);
 void             empathy_chat_view_message_acknowledged (EmpathyChatView *view,
 							 EmpathyMessage  *message);
+void             empathy_chat_view_set_show_avatars     (EmpathyChatView *view,
+							 gboolean         show_avatars);
 
 G_END_DECLS