[gtk+] GtkSwitch: Add an AtkAction implementation

[Matthias Clasen <matthiasc src gnome org>]

commit 6d3b8c2c6b44b9a5f17480c24b5af957c9a3ce3c
Author: Matthias Clasen <mclasen redhat com>
Date:   Thu Feb 17 23:06:33 2011 -0500

    GtkSwitch: Add an AtkAction implementation

 gtk/gtkswitch.c |  127 ++++++++++++++++++++++++++++++++++++++++++++++++++++--
 1 files changed, 122 insertions(+), 5 deletions(-)
---
diff --git a/gtk/gtkswitch.c b/gtk/gtkswitch.c
index 2f0b42e..a425d4d 100644
--- a/gtk/gtkswitch.c
+++ b/gtk/gtkswitch.c
@@ -598,7 +598,6 @@ static AtkObject *
 gtk_switch_get_accessible (GtkWidget *widget)
 {
   static gboolean first_time = TRUE;
-  AtkObject *acc;
 
   if (G_UNLIKELY (first_time))
     {
@@ -918,11 +917,21 @@ gtk_switch_activatable_interface_init (GtkActivatableIface *iface)
 
 /* accessibility: object */
 
-/* dummy typedefs */
-typedef struct _GtkSwitchAccessible             GtkSwitchAccessible;
-typedef struct _GtkSwitchAccessibleClass        GtkSwitchAccessibleClass;
+typedef struct _GtkSwitchAccessible      GtkSwitchAccessible;
+typedef struct _GtkSwitchAccessibleClass GtkSwitchAccessibleClass;
 
-ATK_DEFINE_TYPE (GtkSwitchAccessible, _gtk_switch_accessible, GTK_TYPE_SWITCH);
+struct _GtkSwitchAccessible
+{
+  GtkAccessible object;
+
+  gchar *description;
+  guint  action_idle;
+};
+
+static void atk_action_interface_init (AtkActionIface *iface);
+
+ATK_DEFINE_TYPE_WITH_CODE (GtkSwitchAccessible, _gtk_switch_accessible, GTK_TYPE_SWITCH,
+                           G_IMPLEMENT_INTERFACE (ATK_TYPE_ACTION, atk_action_interface_init))
 
 static AtkStateSet *
 gtk_switch_accessible_ref_state_set (AtkObject *accessible)
@@ -943,6 +952,19 @@ gtk_switch_accessible_ref_state_set (AtkObject *accessible)
 }
 
 static void
+gtk_switch_accessible_finalize (GObject *obj)
+{
+  GtkSwitchAccessible *accessible = (GtkSwitchAccessible *)obj;
+
+  g_free (accessible->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)
 {
@@ -956,8 +978,11 @@ _gtk_switch_accessible_initialize (AtkObject *accessible,
 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;
 }
@@ -965,6 +990,98 @@ _gtk_switch_accessible_class_init (GtkSwitchAccessibleClass *klass)
 static void
 _gtk_switch_accessible_init (GtkSwitchAccessible *self)
 {
+  self->description = NULL;
+  self->action_idle = 0;
+}
+
+/* accessibility: action interface */
+
+static gint
+gtk_switch_action_get_n_actions (AtkAction *action)
+{
+  return 1;
+}
+
+static const gchar *
+gtk_switch_action_get_name (AtkAction *action,
+                            gint       i)
+{
+  return "toggle";
+}
+
+static const gchar *
+gtk_switch_action_get_description (AtkAction *action,
+                                   gint       i)
+{
+  GtkSwitchAccessible *accessible = (GtkSwitchAccessible*)action;
+
+  return accessible->description;
+}
+
+static gboolean
+gtk_switch_action_set_description (AtkAction   *action,
+                                   gint         i,
+                                   const gchar *description)
+{
+  GtkSwitchAccessible *accessible = (GtkSwitchAccessible*)action;
+
+  g_free (accessible->description);
+  accessible->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 (!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;
 }
 
 /* accessibility: factory */