Add optional content (layers) interface.

2008-11-15  Carlos Garcia Campos  <carlosgc@gnome.org>

	* libdocument/Makefile.am:
	* libdocument/ev-document-layers.[ch]:
	* libdocument/ev-layer.[ch]:

	Add optional content (layers) interface.

svn path=/trunk/; revision=3264

1 files changed, 58 insertions, 0 deletions

diff --git a/libdocument/ev-layer.h b/libdocument/ev-layer.h
new file mode 100644
index 0000000..86fc403
--- /dev/null
+++ b/libdocument/ev-layer.h
@@ -0,0 +1,58 @@
+/* this file is part of evince, a gnome document viewer
+ *
+ * Copyright (C) 2008 Carlos Garcia Campos <carlosgc@gnome.org>
+ *
+ * Evince 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 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Evince 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __EV_LAYER_H__
+#define __EV_LAYER_H__
+
+#include <glib-object.h>
+
+G_BEGIN_DECLS
+
+typedef struct _EvLayer        EvLayer;
+typedef struct _EvLayerClass   EvLayerClass;
+typedef struct _EvLayerPrivate EvLayerPrivate;
+
+#define EV_TYPE_LAYER              (ev_layer_get_type())
+#define EV_LAYER(object)           (G_TYPE_CHECK_INSTANCE_CAST((object), EV_TYPE_LAYER, EvLayer))
+#define EV_LAYER_CLASS(klass)      (G_TYPE_CHECK_CLASS_CAST((klass), EV_TYPE_LAYER, EvLayerClass))
+#define EV_IS_LAYER(object)        (G_TYPE_CHECK_INSTANCE_TYPE((object), EV_TYPE_LAYER))
+#define EV_IS_LAYER_CLASS(klass)   (G_TYPE_CHECK_CLASS_TYPE((klass), EV_TYPE_LAYER))
+#define EV_LAYER_GET_CLASS(object) (G_TYPE_INSTANCE_GET_CLASS((object), EV_TYPE_LAYER, EvLayerClass))
+
+struct _EvLayer {
+	GObject base_instance;
+	
+	EvLayerPrivate *priv;
+};
+
+struct _EvLayerClass {
+	GObjectClass base_class;
+};
+
+GType     ev_layer_get_type     (void) G_GNUC_CONST;
+EvLayer  *ev_layer_new          (guint    layer_id,
+				 gboolean is_parent,
+				 gint     rb_group);
+guint     ev_layer_get_id       (EvLayer *layer);
+gboolean  ev_layer_is_parent    (EvLayer *layer);
+gint      ev_layer_get_rb_group (EvLayer *layer);
+
+G_END_DECLS
+
+#endif /* __EV_LAYER_H__ */