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/* GAIL - The GNOME Accessibility Implementation Library
* Copyright 2011 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include <gtk/gtk.h>
#include "gtklinkbuttonaccessible.h"
typedef struct _GtkLinkButtonAccessibleLink GtkLinkButtonAccessibleLink;
typedef struct _GtkLinkButtonAccessibleLinkClass GtkLinkButtonAccessibleLinkClass;
struct _GtkLinkButtonAccessibleLink
{
AtkHyperlink parent;
GtkLinkButtonAccessible *button;
};
struct _GtkLinkButtonAccessibleLinkClass
{
AtkHyperlinkClass parent_class;
};
static void atk_action_interface_init (AtkActionIface *iface);
G_DEFINE_TYPE_WITH_CODE (GtkLinkButtonAccessibleLink, _gtk_link_button_accessible_link, ATK_TYPE_HYPERLINK,
G_IMPLEMENT_INTERFACE (ATK_TYPE_ACTION, atk_action_interface_init))
static AtkHyperlink *
gtk_link_button_accessible_link_new (GtkLinkButtonAccessible *button)
{
GtkLinkButtonAccessibleLink *l;
l = g_object_new (_gtk_link_button_accessible_link_get_type (), NULL);
l->button = button;
return ATK_HYPERLINK (l);
}
static gchar *
gtk_link_button_accessible_link_get_uri (AtkHyperlink *atk_link,
gint i)
{
GtkLinkButtonAccessibleLink *l = (GtkLinkButtonAccessibleLink *)atk_link;
GtkWidget *widget;
const gchar *uri;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (l->button));
uri = gtk_link_button_get_uri (GTK_LINK_BUTTON (widget));
return g_strdup (uri);
}
static gint
gtk_link_button_accessible_link_get_n_anchors (AtkHyperlink *atk_link)
{
return 1;
}
static gboolean
gtk_link_button_accessible_link_is_valid (AtkHyperlink *atk_link)
{
return TRUE;
}
static AtkObject *
gtk_link_button_accessible_link_get_object (AtkHyperlink *atk_link,
gint i)
{
GtkLinkButtonAccessibleLink *l = (GtkLinkButtonAccessibleLink *)atk_link;
return ATK_OBJECT (l->button);
}
static gint
gtk_link_button_accessible_link_get_start_index (AtkHyperlink *atk_link)
{
return 0;
}
static gint
gtk_link_button_accessible_link_get_end_index (AtkHyperlink *atk_link)
{
GtkLinkButtonAccessibleLink *l = (GtkLinkButtonAccessibleLink *)atk_link;
return atk_text_get_character_count (ATK_TEXT (l->button));
}
static void
_gtk_link_button_accessible_link_init (GtkLinkButtonAccessibleLink *l)
{
}
static void
_gtk_link_button_accessible_link_class_init (GtkLinkButtonAccessibleLinkClass *class)
{
AtkHyperlinkClass *atk_link_class = ATK_HYPERLINK_CLASS (class);
atk_link_class->get_uri = gtk_link_button_accessible_link_get_uri;
atk_link_class->get_n_anchors = gtk_link_button_accessible_link_get_n_anchors;
atk_link_class->is_valid = gtk_link_button_accessible_link_is_valid;
atk_link_class->get_object = gtk_link_button_accessible_link_get_object;
atk_link_class->get_start_index = gtk_link_button_accessible_link_get_start_index;
atk_link_class->get_end_index = gtk_link_button_accessible_link_get_end_index;
}
static gboolean
gtk_link_button_accessible_link_do_action (AtkAction *action,
gint i)
{
GtkLinkButtonAccessibleLink *l = (GtkLinkButtonAccessibleLink *)action;
GtkWidget *widget;
widget = GTK_WIDGET (l->button);
if (widget == NULL)
return FALSE;
if (i != 0)
return FALSE;
if (!gtk_widget_is_sensitive (widget) || !gtk_widget_get_visible (widget))
return FALSE;
gtk_button_clicked (GTK_BUTTON (widget));
return TRUE;
}
static gint
gtk_link_button_accessible_link_get_n_actions (AtkAction *action)
{
return 1;
}
static const gchar *
gtk_link_button_accessible_link_get_name (AtkAction *action,
gint i)
{
if (i != 0)
return NULL;
return "activate";
}
static void
atk_action_interface_init (AtkActionIface *iface)
{
iface->do_action = gtk_link_button_accessible_link_do_action;
iface->get_n_actions = gtk_link_button_accessible_link_get_n_actions;
iface->get_name = gtk_link_button_accessible_link_get_name;
}
static gboolean
activate_link (GtkLinkButton *button,
AtkHyperlink *atk_link)
{
g_signal_emit_by_name (atk_link, "link-activated");
return FALSE;
}
static AtkHyperlink *
gtk_link_button_accessible_get_hyperlink (AtkHyperlinkImpl *impl)
{
GtkLinkButtonAccessible *button = GTK_LINK_BUTTON_ACCESSIBLE (impl);
if (!button->link)
{
button->link = gtk_link_button_accessible_link_new (button);
g_signal_connect (gtk_accessible_get_widget (GTK_ACCESSIBLE (button)),
"activate-link", G_CALLBACK (activate_link), button->link);
}
return g_object_ref (button->link);
}
static void atk_hypertext_impl_interface_init (AtkHyperlinkImplIface *iface);
G_DEFINE_TYPE_WITH_CODE (GtkLinkButtonAccessible, _gtk_link_button_accessible, GTK_TYPE_BUTTON_ACCESSIBLE,
G_IMPLEMENT_INTERFACE (ATK_TYPE_HYPERLINK_IMPL, atk_hypertext_impl_interface_init))
static void
_gtk_link_button_accessible_init (GtkLinkButtonAccessible *button)
{
}
static void
gtk_link_button_accessible_finalize (GObject *object)
{
GtkLinkButtonAccessible *button = GTK_LINK_BUTTON_ACCESSIBLE (object);
if (button->link)
g_object_unref (button->link);
G_OBJECT_CLASS (_gtk_link_button_accessible_parent_class)->finalize (object);
}
static void
_gtk_link_button_accessible_class_init (GtkLinkButtonAccessibleClass *klass)
{
G_OBJECT_CLASS (klass)->finalize = gtk_link_button_accessible_finalize;
}
static void
atk_hypertext_impl_interface_init (AtkHyperlinkImplIface *iface)
{
iface->get_hyperlink = gtk_link_button_accessible_get_hyperlink;
}
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