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/*
 * e-sorter.h
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation.
 *
 * 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 Lesser General Public License
 * along with this program; if not, see <http://www.gnu.org/licenses/>.
 *
 */

#if !defined (__E_UTIL_H_INSIDE__) && !defined (LIBEUTIL_COMPILATION)
#error "Only <e-util/e-util.h> should be included directly."
#endif

#ifndef E_SORTER_H
#define E_SORTER_H

#include <glib-object.h>

/* Standard GObject macros */
#define E_TYPE_SORTER \
    (e_sorter_get_type ())
#define E_SORTER(obj) \
    (G_TYPE_CHECK_INSTANCE_CAST \
    ((obj), E_TYPE_SORTER, ESorter))
#define E_IS_SORTER(obj) \
    (G_TYPE_CHECK_INSTANCE_TYPE \
    ((obj), E_TYPE_SORTER))
#define E_SORTER_GET_INTERFACE(obj) \
    (G_TYPE_INSTANCE_GET_INTERFACE \
    ((obj), E_TYPE_SORTER, ESorterInterface))

G_BEGIN_DECLS

typedef struct _ESorter ESorter;
typedef struct _ESorterInterface ESorterInterface;

struct _ESorterInterface {
    GTypeInterface parent_interface;

    gint        (*model_to_sorted)  (ESorter *sorter,
                         gint row);
    gint        (*sorted_to_model)  (ESorter *sorter,
                         gint row);

    void        (*get_model_to_sorted_array)
                        (ESorter *sorter,
                         gint **array,
                         gint *count);
    void        (*get_sorted_to_model_array)
                        (ESorter *sorter,
                         gint **array,
                         gint *count);

    gboolean    (*needs_sorting)    (ESorter *sorter);
};

GType       e_sorter_get_type       (void) G_GNUC_CONST;
gint        e_sorter_model_to_sorted    (ESorter *sorter,
                         gint row);
gint        e_sorter_sorted_to_model    (ESorter *sorter,
                         gint row);
void        e_sorter_get_model_to_sorted_array
                        (ESorter *sorter,
                         gint **array,
                         gint *count);
void        e_sorter_get_sorted_to_model_array
                        (ESorter *sorter,
                         gint **array,
                         gint *count);
gboolean    e_sorter_needs_sorting      (ESorter *sorter);

G_END_DECLS

#endif /* E_SORTER_H */