/*
 *  @(#) $Id: gwyresource.h 8384 2007-07-22 18:08:04Z yeti-dn $
 *  Copyright (C) 2003 David Necas (Yeti), Petr Klapetek.
 *  E-mail: yeti@gwyddion.net, klapetek@gwyddion.net.
 *
 *  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 USA
 */

#ifndef __GWY_RESOURCE_H__
#define __GWY_RESOURCE_H__

#include <glib-object.h>
#include <libgwyddion/gwyinventory.h>

G_BEGIN_DECLS

#define GWY_TYPE_RESOURCE                  (gwy_resource_get_type())
#define GWY_RESOURCE(obj)                  (G_TYPE_CHECK_INSTANCE_CAST((obj), GWY_TYPE_RESOURCE, GwyResource))
#define GWY_RESOURCE_CLASS(klass)          (G_TYPE_CHECK_CLASS_CAST((klass), GWY_TYPE_RESOURCE, GwyResourceClass))
#define GWY_IS_RESOURCE(obj)               (G_TYPE_CHECK_INSTANCE_TYPE((obj), GWY_TYPE_RESOURCE))
#define GWY_IS_RESOURCE_CLASS(klass)       (G_TYPE_CHECK_CLASS_TYPE((klass), GWY_TYPE_RESOURCE))
#define GWY_RESOURCE_GET_CLASS(obj)        (G_TYPE_INSTANCE_GET_CLASS((obj), GWY_TYPE_RESOURCE, GwyResourceClass))

typedef struct _GwyResource      GwyResource;
typedef struct _GwyResourceClass GwyResourceClass;

struct _GwyResource {
    GObject parent_instance;

    gint use_count;
    GString *name;

    gboolean is_const;
    gboolean is_modified;
    gboolean is_preferred;
    gboolean boolean1;
    gint int1;

    gpointer reserved1;
    gpointer reserved2;
};

struct _GwyResourceClass {
    /*< private >*/
    GObjectClass parent_class;

    /*< public >*/
    GwyInventory *inventory;
    const gchar *name;

    /* Traits */
    GwyInventoryItemType item_type;

    /* Signals */
    void (*data_changed)(GwyResource *resource);

    /* Virtual table */
    void (*use)(GwyResource *resource);
    void (*release)(GwyResource *resource);
    void (*dump)(GwyResource *resource,
                 GString *string);
    GwyResource* (*parse)(const gchar *text,
                          gboolean is_const);

    /*< private >*/
    void (*reserved1)(void);
    void (*reserved2)(void);
};

GType             gwy_resource_get_type              (void) G_GNUC_CONST;
const gchar*      gwy_resource_get_name              (GwyResource *resource);
gboolean          gwy_resource_get_is_modifiable     (GwyResource *resource);
gboolean          gwy_resource_get_is_preferred      (GwyResource *resource);
void              gwy_resource_set_is_preferred      (GwyResource *resource,
                                                      gboolean is_preferred);
const gchar*      gwy_resource_class_get_name        (GwyResourceClass *klass);
GwyInventory*     gwy_resource_class_get_inventory   (GwyResourceClass *klass);
const GwyInventoryItemType* gwy_resource_class_get_item_type(GwyResourceClass *klass);
void              gwy_resource_use                   (GwyResource *resource);
void              gwy_resource_release               (GwyResource *resource);
gboolean          gwy_resource_is_used               (GwyResource *resource);
void              gwy_resource_data_changed          (GwyResource *resource);
void              gwy_resource_data_saved            (GwyResource *resource);
gchar*            gwy_resource_build_filename        (GwyResource *resource);
GString*          gwy_resource_dump                  (GwyResource *resource);
GwyResource*      gwy_resource_parse                 (const gchar *text,
                                                      GType expected_type);
void              gwy_resource_class_load            (GwyResourceClass *klass);
gboolean          gwy_resource_class_mkdir           (GwyResourceClass *klass);
void              gwy_resource_classes_finalize      (void);

G_END_DECLS

#endif /*__GWY_RESOURCE_H__*/

/* vim: set cin et ts=4 sw=4 cino=>1s,e0,n0,f0,{0,}0,^0,\:1s,=0,g1s,h0,t0,+1s,c3,(0,u0 : */
