/* vifm
 * Copyright (C) 2014 xaizek.
 *
 * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
 */

#ifndef VIFM__IO__PRIVATE__IOETA_H__
#define VIFM__IO__PRIVATE__IOETA_H__

#include <stdint.h> /* uint64_t */

#include "../ioeta.h"

/* ioeta - private functions of Input/Output estimation */

/* Frees resources of estimation, but not the structure itself.  estim can't be
 * NULL. */
void ioeta_release(ioeta_estim_t *estim);

/* Adds zero-size item to the estimation. */
void ioeta_add_item(ioeta_estim_t *estim, const char path[]);

/* Adds file to the estimation. */
void ioeta_add_file(ioeta_estim_t *estim, const char path[]);

/* Adds directory to the estimation. */
void ioeta_add_dir(ioeta_estim_t *estim, const char path[]);

/* ioeta_update_estim(e, "p", "t", 0, 100); -- 100 bytes of current item
 * processed.
 * ioeta_update_estim(e, "", "", 1, 50); -- Last 50 bytes of current item
 * processed.
 * Might calculate speed, time, etc.  When estim is NULL, the function just
 * returns.  The path or src can be NULL to indicate that file name didn't
 * change.  Calls progress changed notification handler. */
void ioeta_update(ioeta_estim_t *estim, const char path[], const char target[],
		int finished, uint64_t bytes);

/* Silence future progress reports.  Returns previous state to be passed to
 * ioeta_silent_set() later.  If estim is NULL, returns zero. */
int ioeta_silent_on(ioeta_estim_t *estim);

/* Sets silence flag for the estimation.  Does nothing if estim is NULL. */
void ioeta_silent_set(ioeta_estim_t *estim, int silent);

/* Makes restoration point for state of the estimation.  Returns the restoration
 * point to be passed to ioeta_restore.  It can be used to restore state
 * multiple times and needs to be freed with ioeta_release() after last use. */
ioeta_estim_t ioeta_save(const ioeta_estim_t *estim);

/* Restores estimation to its previous state. */
void ioeta_restore(ioeta_estim_t *estim, const ioeta_estim_t *save);

#endif /* VIFM__IO__PRIVATE__IOETA_H__ */

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