Move GtkSwitchAccessible to a11y/

1 files changed, 199 insertions, 0 deletions

diff --git a/gtk/a11y/gtkswitchaccessible.c b/gtk/a11y/gtkswitchaccessible.c
new file mode 100644
index 0000000000..4503e37d63
--- /dev/null
+++ b/gtk/a11y/gtkswitchaccessible.c
@@ -0,0 +1,199 @@
+/* GTK - The GIMP Toolkit
+ *
+ * Copyright (C) 2010  Intel Corporation
+ * Copyright (C) 2010  RedHat, 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.
+ *
+ * Author:
+ *      Emmanuele Bassi <ebassi@linux.intel.com>
+ *      Matthias Clasen <mclasen@redhat.com>
+ *
+ * Based on similar code from Mx.
+ */
+
+#include "config.h"
+
+#include <gtk/gtk.h>
+#include "gtkintl.h"
+#include "gtkswitchaccessible.h"
+
+
+static void atk_action_interface_init (AtkActionIface *iface);
+
+G_DEFINE_TYPE_WITH_CODE (GtkSwitchAccessible, gtk_switch_accessible, GTK_TYPE_WIDGET_ACCESSIBLE,
+                         G_IMPLEMENT_INTERFACE (ATK_TYPE_ACTION, atk_action_interface_init))
+
+static AtkStateSet *
+gtk_switch_accessible_ref_state_set (AtkObject *accessible)
+{
+  AtkStateSet *state_set;
+  GtkWidget *widget;
+
+  state_set = ATK_OBJECT_CLASS (gtk_switch_accessible_parent_class)->ref_state_set (accessible);
+
+  widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (accessible));
+  if (widget == NULL)
+    return state_set;
+
+  if (gtk_switch_get_active (GTK_SWITCH (widget)))
+    atk_state_set_add_state (state_set, ATK_STATE_CHECKED);
+
+  return state_set;
+}
+
+static void
+gtk_switch_accessible_finalize (GObject *obj)
+{
+  GtkSwitchAccessible *accessible = (GtkSwitchAccessible *)obj;
+
+  g_free (accessible->action_description);
+
+  if (accessible->action_idle)
+    g_source_remove (accessible->action_idle);
+
+  G_OBJECT_CLASS (gtk_switch_accessible_parent_class)->finalize (obj);
+}
+
+static void
+gtk_switch_accessible_initialize (AtkObject *accessible,
+                                  gpointer   widget)
+{
+  ATK_OBJECT_CLASS (gtk_switch_accessible_parent_class)->initialize (accessible, widget);
+
+  atk_object_set_role (accessible, ATK_ROLE_TOGGLE_BUTTON);
+  atk_object_set_name (accessible, C_("light switch widget", "Switch"));
+  atk_object_set_description (accessible, _("Switches between on and off states"));
+}
+
+static void
+gtk_switch_accessible_class_init (GtkSwitchAccessibleClass *klass)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
+  AtkObjectClass *atk_class = ATK_OBJECT_CLASS (klass);
+
+  object_class->finalize = gtk_switch_accessible_finalize;
+
+  atk_class->initialize = gtk_switch_accessible_initialize;
+  atk_class->ref_state_set = gtk_switch_accessible_ref_state_set;
+}
+
+static void
+gtk_switch_accessible_init (GtkSwitchAccessible *self)
+{
+  self->action_description = NULL;
+  self->action_idle = 0;
+}
+
+static gint
+gtk_switch_action_get_n_actions (AtkAction *action)
+{
+  return 1;
+}
+
+static const gchar *
+gtk_switch_action_get_name (AtkAction *action,
+                            gint       i)
+{
+  if (i != 0)
+    return NULL;
+
+  return "toggle";
+}
+
+static const gchar *
+gtk_switch_action_get_description (AtkAction *action,
+                                   gint       i)
+{
+  GtkSwitchAccessible *accessible = (GtkSwitchAccessible *)action;
+
+  if (i != 0)
+    return NULL;
+
+  return accessible->action_description;
+}
+
+static gboolean
+gtk_switch_action_set_description (AtkAction   *action,
+                                   gint         i,
+                                   const gchar *description)
+{
+  GtkSwitchAccessible *accessible = (GtkSwitchAccessible*)action;
+
+  if (i != 0)
+    return FALSE;
+
+  g_free (accessible->action_description);
+  accessible->action_description = g_strdup (description);
+
+  return TRUE;
+}
+
+static gboolean
+idle_do_action (gpointer data)
+{
+  GtkSwitchAccessible *accessible = data;
+  GtkWidget *widget;
+  GtkSwitch *sw;
+
+  widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (data));
+  sw = GTK_SWITCH (widget);
+
+  accessible->action_idle = 0;
+
+  if (widget == NULL ||
+      !gtk_widget_is_sensitive (widget) || !gtk_widget_get_visible (widget))
+    return FALSE;
+
+  gtk_switch_set_active (sw, !gtk_switch_get_active (sw));
+
+  return FALSE;
+}
+
+static gboolean
+gtk_switch_action_do_action (AtkAction *action,
+                             gint       i)
+{
+  GtkSwitchAccessible *accessible;
+  GtkWidget *widget;
+
+  widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (action));
+  if (widget == NULL)
+    return FALSE;
+
+  if (i != 0)
+    return FALSE;
+
+  if (!gtk_widget_is_sensitive (widget) || !gtk_widget_get_visible (widget))
+    return FALSE;
+
+  accessible = (GtkSwitchAccessible *)action;
+
+  if (!accessible->action_idle)
+    accessible->action_idle = gdk_threads_add_idle (idle_do_action, accessible);
+
+  return TRUE;
+}
+
+static void
+atk_action_interface_init (AtkActionIface *iface)
+{
+  iface->do_action = gtk_switch_action_do_action;
+  iface->get_n_actions = gtk_switch_action_get_n_actions;
+  iface->get_name = gtk_switch_action_get_name;
+  iface->get_description = gtk_switch_action_get_description;
+  iface->set_description = gtk_switch_action_set_description;
+}