/*
* Copyright (C) 2002 Jorn Baayen <jorn@nl.linux.org>
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Id$
*/
#ifndef EPHY_NODE_H
#define EPHY_NODE_H
#include <glib-object.h>
#include <libxml/tree.h>
G_BEGIN_DECLS
#define EPHY_TYPE_NODE (ephy_node_get_type ())
#define EPHY_NODE(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), EPHY_TYPE_NODE, EphyNode))
#define EPHY_NODE_CLASS(k) (G_TYPE_CHECK_CLASS_CAST((k), EPHY_TYPE_NODE, EphyNodeClass))
#define EPHY_IS_NODE(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), EPHY_TYPE_NODE))
#define EPHY_IS_NODE_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), EPHY_TYPE_NODE))
#define EPHY_NODE_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), EPHY_TYPE_NODE, EphyNodeClass))
typedef struct EphyNodePrivate EphyNodePrivate;
typedef struct
{
GObject parent;
EphyNodePrivate *priv;
} EphyNode;
typedef struct
{
GObjectClass parent;
/* signals */
void (*destroyed) (EphyNode *node);
void (*restored) (EphyNode *node);
void (*child_added) (EphyNode *node, EphyNode *child);
void (*child_changed) (EphyNode *node, EphyNode *child);
void (*children_reordered) (EphyNode *node, int *new_order);
void (*child_removed) (EphyNode *node, EphyNode *child);
} EphyNodeClass;
GType ephy_node_get_type (void);
EphyNode *ephy_node_new (void);
EphyNode *ephy_node_new_with_id (gulong reserved_id);
/* unique node ID */
long ephy_node_get_id (EphyNode *node);
EphyNode *ephy_node_get_from_id (gulong id);
/* refcounting */
void ephy_node_ref (EphyNode *node);
void ephy_node_unref (EphyNode *node);
/* locking */
void ephy_node_freeze (EphyNode *node);
void ephy_node_thaw (EphyNode *node);
/* property interface */
enum
{
EPHY_NODE_PROP_NAME = 0,
EPHY_NODE_PROP_NAME_SORT_KEY = 1
};
void ephy_node_set_property (EphyNode *node,
guint property_id,
const GValue *value);
gboolean ephy_node_get_property (EphyNode *node,
guint property_id,
GValue *value);
const char *ephy_node_get_property_string (EphyNode *node,
guint property_id);
gboolean ephy_node_get_property_boolean (EphyNode *node,
guint property_id);
long ephy_node_get_property_long (EphyNode *node,
guint property_id);
int ephy_node_get_property_int (EphyNode *node,
guint property_id);
double ephy_node_get_property_double (EphyNode *node,
guint property_id);
float ephy_node_get_property_float (EphyNode *node,
guint property_id);
EphyNode *ephy_node_get_property_node (EphyNode *node,
guint property_id);
/* free return value */
char *ephy_node_get_property_time (EphyNode *node,
guint property_id);
/* xml storage */
void ephy_node_save_to_xml (EphyNode *node,
xmlNodePtr parent_xml_node);
EphyNode *ephy_node_new_from_xml (xmlNodePtr xml_node);
/* DAG structure */
void ephy_node_add_child (EphyNode *node,
EphyNode *child);
void ephy_node_remove_child (EphyNode *node,
EphyNode *child);
gboolean ephy_node_has_child (EphyNode *node,
EphyNode *child);
void ephy_node_reorder_children (EphyNode *node,
int *new_order);
/* Note that ephy_node_get_children freezes the node; you'll have to thaw it when done.
* This is to prevent the data getting changed from another thread. */
GPtrArray *ephy_node_get_children (EphyNode *node);
int ephy_node_get_n_children (EphyNode *node);
EphyNode *ephy_node_get_nth_child (EphyNode *node,
guint n);
int ephy_node_get_child_index (EphyNode *node,
EphyNode *child);
EphyNode *ephy_node_get_next_child (EphyNode *node,
EphyNode *child);
EphyNode *ephy_node_get_previous_child (EphyNode *node,
EphyNode *child);
/* node id services */
void ephy_node_system_init (gulong reserved_ids);
void ephy_node_system_shutdown (void);
long ephy_node_new_id (void);
G_END_DECLS
#endif /* __EPHY_NODE_H */
