Convert GailLinkButton to GtkLinkButtonAccessible

1 files changed, 222 insertions, 0 deletions

diff --git a/gtk/a11y/gtklinkbuttonaccessible.c b/gtk/a11y/gtklinkbuttonaccessible.c
new file mode 100644
index 0000000000..fc2590cbfb
--- /dev/null
+++ b/gtk/a11y/gtklinkbuttonaccessible.c
@@ -0,0 +1,222 @@
+/* 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 *link;
+
+  link = g_object_new (gtk_link_button_accessible_link_get_type (), NULL);
+  link->button = button;
+
+  return ATK_HYPERLINK (link);
+}
+
+static gchar *
+gtk_link_button_accessible_link_get_uri (AtkHyperlink *link,
+                               gint          i)
+{
+  GtkLinkButtonAccessibleLink *l = (GtkLinkButtonAccessibleLink *)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 *link)
+{
+  return 1;
+}
+
+static gboolean
+gtk_link_button_accessible_link_is_valid (AtkHyperlink *link)
+{
+  return TRUE;
+}
+
+static AtkObject *
+gtk_link_button_accessible_link_get_object (AtkHyperlink *link,
+                                  gint          i)
+{
+  GtkLinkButtonAccessibleLink *l = (GtkLinkButtonAccessibleLink *)link;
+
+  return ATK_OBJECT (l->button);
+}
+
+static gint
+gtk_link_button_accessible_link_get_start_index (AtkHyperlink *link)
+{
+  return 0;
+}
+
+static gint
+gtk_link_button_accessible_link_get_end_index (AtkHyperlink *link)
+{
+  GtkLinkButtonAccessibleLink *l = (GtkLinkButtonAccessibleLink *)link;
+
+  return atk_text_get_character_count (ATK_TEXT (l->button));
+}
+
+static void
+gtk_link_button_accessible_link_init (GtkLinkButtonAccessibleLink *link)
+{
+}
+
+static void
+gtk_link_button_accessible_link_class_init (GtkLinkButtonAccessibleLinkClass *class)
+{
+  AtkHyperlinkClass *hyperlink_class = ATK_HYPERLINK_CLASS (class);
+
+  hyperlink_class->get_uri = gtk_link_button_accessible_link_get_uri;
+  hyperlink_class->get_n_anchors = gtk_link_button_accessible_link_get_n_anchors;
+  hyperlink_class->is_valid = gtk_link_button_accessible_link_is_valid;
+  hyperlink_class->get_object = gtk_link_button_accessible_link_get_object;
+  hyperlink_class->get_start_index = gtk_link_button_accessible_link_get_start_index;
+  hyperlink_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 *link = (GtkLinkButtonAccessibleLink *)action;
+  GtkWidget *widget;
+
+  widget = GTK_WIDGET (link->button);
+  if (widget == NULL)
+    /*
+     * State is defunct
+     */
+    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)
+{
+  g_return_val_if_fail (i == 0, 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 *link)
+{
+  g_signal_emit_by_name (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, GAIL_TYPE_BUTTON,
+                         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;
+}