/* gtksizerequest.c
 * Copyright (C) 2007-2010 Openismus GmbH
 *
 * Authors:
 *      Mathias Hasselmann <mathias@openismus.com>
 *      Tristan Van Berkom <tristan.van.berkom@gmail.com>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library 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
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library. If not, see <http://www.gnu.org/licenses/>.
 */

#include <config.h>

#include "gtksizerequestcacheprivate.h"

#include <string.h>

void
_gtk_size_request_cache_init (SizeRequestCache *cache)
{
  memset (cache, 0, sizeof (SizeRequestCache));
}

void
_gtk_size_request_cache_free (SizeRequestCache *cache)
{
  _gtk_size_request_cache_clear (cache, GTK_SIZE_GROUP_HORIZONTAL);
  _gtk_size_request_cache_clear (cache, GTK_SIZE_GROUP_VERTICAL);
}

void
_gtk_size_request_cache_clear (SizeRequestCache *cache,
	                       GtkSizeGroupMode  orientation)
                               
{
  SizeRequest **sizes;
  gint          i;

  if (orientation == GTK_SIZE_GROUP_HORIZONTAL)
    {
      sizes = cache->widths;

      cache->widths            = NULL;
      cache->cached_widths     = 0;
      cache->last_cached_width = 0;
      cache->cached_base_width = FALSE;
    }
  else
    {
      sizes = cache->heights;

      cache->heights            = NULL;
      cache->cached_heights     = 0;
      cache->last_cached_height = 0; 
      cache->cached_base_height = FALSE;
   }

  if (sizes)
    {
      for (i = 0; i < GTK_SIZE_REQUEST_CACHED_SIZES && sizes[i] != NULL; i++)
	g_slice_free (SizeRequest, sizes[i]);
      
      g_slice_free1 (sizeof (SizeRequest *) * GTK_SIZE_REQUEST_CACHED_SIZES, sizes);
    }
}