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/*
 * 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; either
 * version 2 of the License, or (at your option) version 3.
 *
 * 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with the program; if not, see <http://www.gnu.org/licenses/>
 *
 *
 * Authors:
 *      Chris Lahey <clahey@ximian.com>
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 */

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

#ifndef E_SORTER_ARRAY_H
#define E_SORTER_ARRAY_H

#include <e-util/e-sorter.h>

/* Standard GObject macros */
#define E_TYPE_SORTER_ARRAY \
    (e_sorter_array_get_type ())
#define E_SORTER_ARRAY(obj) \
    (G_TYPE_CHECK_INSTANCE_CAST \
    ((obj), E_TYPE_SORTER_ARRAY, ESorterArray))
#define E_SORTER_ARRAY_CLASS(cls) \
    (G_TYPE_CHECK_CLASS_CAST \
    ((cls), E_TYPE_SORTER_ARRAY, ESorterArrayClass))
#define E_IS_SORTER_ARRAY(obj) \
    (G_TYPE_CHECK_INSTANCE_TYPE \
    ((obj), E_TYPE_SORTER_ARRAY))
#define E_IS_SORTER_ARRAY_CLASS(cls) \
    (G_TYPE_CHECK_CLASS_TYPE \
    ((cls), E_TYPE_SORTER_ARRAY))
#define E_SORTER_ARRAY_GET_CLASS(obj) \
    (G_TYPE_INSTANCE_GET_CLASS \
    ((obj), E_TYPE_SORTER_ARRAY, ESorterArrayClass))

G_BEGIN_DECLS

typedef struct _ESorterArray ESorterArray;
typedef struct _ESorterArrayClass ESorterArrayClass;

typedef gint (*ECompareRowsFunc) (gint row1,
                 gint row2,
                 GHashTable *cmp_cache,
                 gpointer closure);

typedef GHashTable * (*ECreateCmpCacheFunc) (gpointer closure);

struct _ESorterArray {
    ESorter parent;

    GHashTable *cmp_cache;
    ECreateCmpCacheFunc create_cmp_cache;
    ECompareRowsFunc compare;
    gpointer closure;

    /* If needs_sorting is 0, then
     * model_to_sorted and sorted_to_model are no-ops. */
    gint *sorted;
    gint *backsorted;

    gint rows;
};

struct _ESorterArrayClass {
    ESorterClass parent_class;
};

GType       e_sorter_array_get_type (void) G_GNUC_CONST;
ESorterArray *  e_sorter_array_construct
                    (ESorterArray *sorter,
                     ECreateCmpCacheFunc create_cmp_cache,
                     ECompareRowsFunc compare,
                     gpointer closure);
ESorterArray *  e_sorter_array_new  (ECreateCmpCacheFunc create_cmp_cache,
                     ECompareRowsFunc compare,
                     gpointer closure);
void        e_sorter_array_clean    (ESorterArray *sorter);
void        e_sorter_array_set_count
                    (ESorterArray *sorter,
                     gint count);
void        e_sorter_array_append   (ESorterArray *sorter,
                     gint count);

G_END_DECLS

#endif /* E_SORTER_ARRAY_H */