1 files changed, 52 insertions, 0 deletions
diff --git a/src/core/gtd-activatable.h b/src/core/gtd-activatable.h
new file mode 100644
index 0000000..2e26375
--- /dev/null
+++ b/src/core/gtd-activatable.h
@@ -0,0 +1,52 @@
+/* gtd-activatable.h
+ *
+ * Copyright (C) 2015-2020 Georges Basile Stavracas Neto <georges.stavracas@gmail.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef GTD_ACTIVATABLE_H
+#define GTD_ACTIVATABLE_H
+
+#include <glib.h>
+#include <glib-object.h>
+#include <gtk/gtk.h>
+#include <libpeas/peas.h>
+
+G_BEGIN_DECLS
+
+#define GTD_TYPE_ACTIVATABLE (gtd_activatable_get_type ())
+
+G_DECLARE_INTERFACE (GtdActivatable, gtd_activatable, GTD, ACTIVATABLE, GObject)
+
+struct _GtdActivatableInterface
+{
+  GTypeInterface    parent;
+
+  void             (*activate)                             (GtdActivatable     *activatable);
+
+  void             (*deactivate)                           (GtdActivatable     *activatable);
+
+  GtkWidget*       (*get_preferences_panel)                (GtdActivatable     *activatable);
+};
+
+void                 gtd_activatable_activate                    (GtdActivatable     *activatable);
+
+void                 gtd_activatable_deactivate                  (GtdActivatable     *activatable);
+
+GtkWidget*           gtd_activatable_get_preferences_panel       (GtdActivatable     *activatable);
+
+G_END_DECLS
+
+#endif /* GTD_ACTIVATABLE_H */