Fix for #332821

2006-04-27  Boby Wang <boby.wang@sun.com>

        Fix for #332821

        * widgets/Makefile.am:
        * widgets/ea-expander.[ch]:
        Add two new files to implement the accessibility of EExpander.
        * widgets/ea-widgets.[ch]:(e_expander_a11y_init):
        Implement the accessibility of EExpander.

svn path=/trunk/; revision=31911

1 files changed, 165 insertions, 0 deletions

diff --git a/a11y/widgets/ea-expander.c b/a11y/widgets/ea-expander.c
new file mode 100644
index 0000000000..965c738b03
--- /dev/null
+++ b/a11y/widgets/ea-expander.c
@@ -0,0 +1,165 @@
+/* Evolution Accessibility: ea-expander.c
+ *
+ * Copyright (C) 2006 Novell, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Author: Boby Wang <boby.wang@sun.com> Sun Microsystem Inc., 2006
+ *
+ */
+
+#include <config.h>
+#include "ea-expander.h"
+#include <gtk/gtkbutton.h>
+#include <glib/gi18n.h>
+
+static AtkObjectClass *parent_class;
+static GType parent_type;
+
+/* Action IDs */
+enum {
+	ACTIVATE,
+	LAST_ACTION
+};
+
+static G_CONST_RETURN gchar*
+ea_expander_get_name (AtkObject *a11y)
+{
+	return _("Toggle Attachment Bar");
+}
+
+/* Action interface */
+static G_CONST_RETURN gchar *
+ea_expander_action_get_name (AtkAction *action, gint i)
+{
+	switch (i)
+	{
+		case ACTIVATE:
+			return _("activate");
+		default:
+			return NULL;
+	}
+}
+
+static gboolean
+ea_expander_do_action (AtkAction *action, gint i)
+{
+	GtkWidget *widget;
+	EExpander *expander;
+
+	widget = GTK_ACCESSIBLE (action)->widget;
+	if (!widget || !GTK_WIDGET_IS_SENSITIVE (widget) || !GTK_WIDGET_VISIBLE (widget))
+		return FALSE;
+
+	expander = E_EXPANDER (widget);
+
+	switch (i)
+	{
+		case ACTIVATE:
+			g_signal_emit_by_name (expander, "activate");
+			return TRUE;
+		default:
+			return FALSE;
+	}
+}
+
+static gint
+ea_expander_get_n_actions (AtkAction *action)
+{
+	return LAST_ACTION;
+}
+
+static void
+atk_action_interface_init (AtkActionIface *iface)
+{
+	g_return_if_fail (iface != NULL);
+
+	iface->do_action = ea_expander_do_action;
+	iface->get_n_actions = ea_expander_get_n_actions;
+	iface->get_name = ea_expander_action_get_name;
+}
+
+static void
+ea_expander_class_init (EaExpanderClass *klass)
+{
+	AtkObjectClass *atk_object_class = ATK_OBJECT_CLASS (klass);
+
+	parent_class = g_type_class_ref (parent_type);
+
+	atk_object_class->get_name = ea_expander_get_name;
+}
+
+static void
+ea_expander_init (EaExpander *a11y)
+{
+	/* Empty */
+}
+
+GType
+ea_expander_get_type (void)
+{
+	static GType type = 0;
+
+	if (!type) {
+		AtkObjectFactory *factory;
+		GTypeQuery query;
+
+		GTypeInfo info = {
+			sizeof (EaExpanderClass),
+			(GBaseInitFunc) NULL,
+			(GBaseFinalizeFunc) NULL,
+			(GClassInitFunc) ea_expander_class_init,
+			(GClassFinalizeFunc) NULL,
+			NULL, /* class data */
+			sizeof (EaExpander),
+			0,
+			(GInstanceInitFunc) ea_expander_init,
+			NULL /* value_tree */
+		};
+
+		static const GInterfaceInfo atk_action_info = {
+			(GInterfaceInitFunc) atk_action_interface_init,
+			(GInterfaceFinalizeFunc) NULL,
+			NULL
+		};
+		
+		factory = atk_registry_get_factory (atk_get_default_registry (), GTK_TYPE_BIN);
+		parent_type = atk_object_factory_get_accessible_type (factory);
+		g_type_query (parent_type, &query);
+
+		info.class_size = query.class_size;
+		info.instance_size = query.instance_size;
+
+		type = g_type_register_static (parent_type, "EaExpander", &info, 0);
+		g_type_add_interface_static (type, ATK_TYPE_ACTION,
+						&atk_action_info);
+	}
+
+	return type;
+}
+
+AtkObject *
+ea_expander_new (GtkWidget *widget)
+{
+	EaExpander *a11y;
+
+	a11y = g_object_new (ea_expander_get_type (), NULL);
+
+	GTK_ACCESSIBLE (a11y)->widget = GTK_WIDGET (widget);
+	ATK_OBJECT (a11y)->role = ATK_ROLE_TOGGLE_BUTTON;
+
+	return ATK_OBJECT (a11y);
+}
+