1 files changed, 152 insertions, 0 deletions
diff --git a/libqmenumodel/src/gtk/gtkactionobserveritem.c b/libqmenumodel/src/gtk/gtkactionobserveritem.c
new file mode 100644
index 0000000..aebbcc3
--- /dev/null
+++ b/libqmenumodel/src/gtk/gtkactionobserveritem.c
@@ -0,0 +1,152 @@
+
+#include "gtkactionobserveritem.h"
+
+typedef GObjectClass GtkActionObserverItemClass;
+
+struct _GtkActionObserverItem
+{
+  GObject parent_instance;
+  GtkActionObservable *observable;
+  gchar* action_name;
+
+  GtkActionAddedFunc action_added;
+  GtkActionEnabledChangedFunc action_enabled_changed;
+  GtkActionStateChangedFunc action_state_changed;
+  GtkActionRemovedFunc action_removed;
+};
+
+static void gtk_action_observer_item_init_observer_iface (GtkActionObserverInterface *iface);
+G_DEFINE_TYPE_WITH_CODE (GtkActionObserverItem, gtk_action_observer_item, G_TYPE_OBJECT,
+                         G_IMPLEMENT_INTERFACE (GTK_TYPE_ACTION_OBSERVER, gtk_action_observer_item_init_observer_iface))
+
+static void
+gtk_action_observer_item_finalize (GObject *object)
+{
+  GtkActionObserverItem *self = GTK_ACTION_OBSERVER_ITEM (object);
+
+  if (self->observable)
+    g_object_unref (self->observable);
+
+  if (self->action_name)
+    g_free(self->action_name);
+
+  G_OBJECT_CLASS (gtk_action_observer_item_parent_class)->finalize (object);
+}
+
+static void
+gtk_action_observer_item_init (GtkActionObserverItem * self)
+{
+}
+
+static void
+gtk_action_observer_item_class_init (GtkActionObserverItemClass *class)
+{
+  class->finalize = gtk_action_observer_item_finalize;
+}
+
+static void
+gtk_action_observer_item_action_added (GtkActionObserver   *observer,
+                                    GtkActionObservable *observable,
+                                    const gchar         *action_name,
+                                    const GVariantType  *parameter_type,
+                                    gboolean             enabled,
+                                    GVariant            *state)
+{
+  g_return_if_fail (GTK_IS_ACTION_OBSERVER_ITEM (observer));
+
+  GtkActionObserverItem* self;
+  self = GTK_ACTION_OBSERVER_ITEM (observer);
+  self->action_added(self, action_name, enabled, state);
+}
+
+static void
+gtk_action_observer_item_action_enabled_changed (GtkActionObserver   *observer,
+                                              GtkActionObservable *observable,
+                                              const gchar         *action_name,
+                                              gboolean             enabled)
+{
+  g_return_if_fail (GTK_IS_ACTION_OBSERVER_ITEM (observer));
+
+  GtkActionObserverItem* self;
+  self = GTK_ACTION_OBSERVER_ITEM (observer);
+  self->action_enabled_changed(self, action_name, enabled);
+}
+
+static void
+gtk_action_observer_item_action_state_changed (GtkActionObserver   *observer,
+                                            GtkActionObservable *observable,
+                                            const gchar         *action_name,
+                                            GVariant            *state)
+{
+  g_return_if_fail (GTK_IS_ACTION_OBSERVER_ITEM (observer));
+
+  GtkActionObserverItem* self;
+  self = GTK_ACTION_OBSERVER_ITEM (observer);
+  self->action_state_changed(self, action_name, state);
+}
+
+static void
+gtk_action_observer_item_action_removed (GtkActionObserver   *observer,
+                                      GtkActionObservable *observable,
+                                      const gchar         *action_name)
+{
+  g_return_if_fail (GTK_IS_ACTION_OBSERVER_ITEM (observer));
+
+  GtkActionObserverItem* self;
+  self = GTK_ACTION_OBSERVER_ITEM (observer);
+  self->action_removed(self, action_name);
+}
+
+static void
+gtk_action_observer_item_init_observer_iface (GtkActionObserverInterface *iface)
+{
+  iface->action_added = gtk_action_observer_item_action_added;
+  iface->action_enabled_changed = gtk_action_observer_item_action_enabled_changed;
+  iface->action_state_changed = gtk_action_observer_item_action_state_changed;
+  iface->action_removed = gtk_action_observer_item_action_removed;
+}
+
+GtkActionObserverItem*
+gtk_action_observer_item_new (GtkActionObservable *observable,
+                              GtkActionAddedFunc action_added,
+                              GtkActionEnabledChangedFunc action_enabled_changed,
+                              GtkActionStateChangedFunc action_state_changed,
+                              GtkActionRemovedFunc action_removed)
+{
+  GtkActionObserverItem* self;
+  self = g_object_new (GTK_TYPE_ACTION_OBSERVER_ITEM, NULL);
+  self->observable =  g_object_ref (observable);
+  self->action_name = NULL;
+
+  self->action_added = action_added;
+  self->action_enabled_changed = action_enabled_changed;
+  self->action_state_changed = action_state_changed;
+  self->action_removed = action_removed;
+
+  return self;
+}
+
+void
+gtk_action_observer_item_register_action (GtkActionObserverItem *self,
+                                         const gchar* action_name)
+{
+  gtk_action_observer_item_unregister_action(self);
+
+  if (action_name && g_strcmp0(action_name, "") != 0) {
+    self->action_name = g_strdup (action_name);
+
+    if (g_strcmp0(self->action_name, "") != 0) {
+      gtk_action_observable_register_observer (self->observable, self->action_name, GTK_ACTION_OBSERVER (self));
+    }
+  }
+}
+
+void
+gtk_action_observer_item_unregister_action (GtkActionObserverItem *self)
+{
+  if (self->action_name) {
+    gtk_action_observable_unregister_observer(self->observable, self->action_name, GTK_ACTION_OBSERVER (self));
+    g_free(self->action_name);
+    self->action_name = NULL;
+  }
+}