[evolution] Add API for getting task count.

[Srinivasa Ragavan <sragavan src gnome org>]

commit e77740c19c8c96e767e8c77922e2d28179648199
Author: Srinivasa Ragavan <sragavan novell com>
Date:   Mon Jul 20 10:45:26 2009 +0530

    Add API for getting task count.

 widgets/misc/e-task-bar.c |    5 +++++
 widgets/misc/e-task-bar.h |    2 +-
 2 files changed, 6 insertions(+), 1 deletions(-)
---
diff --git a/widgets/misc/e-task-bar.c b/widgets/misc/e-task-bar.c
index e0bdc76..e7fc15f 100644
--- a/widgets/misc/e-task-bar.c
+++ b/widgets/misc/e-task-bar.c
@@ -300,3 +300,8 @@ e_task_bar_get_task_widget (ETaskBar *task_bar,
 	return E_TASK_WIDGET (child_info->widget);
 }
 
+gint
+e_task_bar_get_num_children (ETaskBar *task_bar)
+{
+	return g_list_length (GTK_BOX (task_bar->priv->hbox)->children);
+}
diff --git a/widgets/misc/e-task-bar.h b/widgets/misc/e-task-bar.h
index d88c069..19ed37a 100644
--- a/widgets/misc/e-task-bar.h
+++ b/widgets/misc/e-task-bar.h
@@ -70,7 +70,7 @@ void	    e_task_bar_remove_task_from_id (ETaskBar *task_bar,
 					    guint id);
 ETaskWidget *e_task_bar_get_task_widget  (ETaskBar    *task_bar,
 					  gint          n);
-
+gint	     e_task_bar_get_num_children (ETaskBar *task_bar);
 G_END_DECLS
 
 #endif /* _E_TASK_BAR_H_ */