swfdec/swfdec_cache.h

   1 /* Swfdec
   2  * Copyright (c) 2008 Benjamin Otte <otte@gnome.org>
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin Street, Fifth Floor,
  17  * Boston, MA  02110-1301  USA
  18  */
  19
  20 #ifndef _SWFDEC_CACHE_H_
  21 #define _SWFDEC_CACHE_H_
  22
  23 #include <swfdec/swfdec_cached.h>
  24
  25 G_BEGIN_DECLS
  26
  27 typedef struct _SwfdecCache SwfdecCache;
  28 typedef struct _SwfdecCacheClass SwfdecCacheClass;
  29
  30 #define SWFDEC_TYPE_CACHE                    (swfdec_cache_get_type())
  31 #define SWFDEC_IS_CACHE(obj)                 (G_TYPE_CHECK_INSTANCE_TYPE ((obj), SWFDEC_TYPE_CACHE))
  32 #define SWFDEC_IS_CACHE_CLASS(klass)         (G_TYPE_CHECK_CLASS_TYPE ((klass), SWFDEC_TYPE_CACHE))
  33 #define SWFDEC_CACHE(obj)                    (G_TYPE_CHECK_INSTANCE_CAST ((obj), SWFDEC_TYPE_CACHE, SwfdecCache))
  34 #define SWFDEC_CACHE_CLASS(klass)            (G_TYPE_CHECK_CLASS_CAST ((klass), SWFDEC_TYPE_CACHE, SwfdecCacheClass))
  35 #define SWFDEC_CACHE_GET_CLASS(obj)          (G_TYPE_INSTANCE_GET_CLASS ((obj), SWFDEC_TYPE_CACHE, SwfdecCacheClass))
  36
  37
  38 struct _SwfdecCache {
  39   GObject               object;
  40
  41   gsize                 max_size;       /* maximum amount of data allowed in cache, before starting to purge */
  42   gsize                 size;           /* current amount of data in cache */
  43
  44   GQueue *              queue;          /* queue of SwfdecCached, most recently used first */
  45 };
  46
  47 struct _SwfdecCacheClass
  48 {
  49   GObjectClass          object_class;
  50 };
  51
  52 GType                   swfdec_cache_get_type           (void);
  53
  54 SwfdecCache *           swfdec_cache_new                (gsize          max_size);
  55
  56 gsize                   swfdec_cache_get_cache_size     (SwfdecCache *  cache);
  57 gsize                   swfdec_cache_get_max_cache_size (SwfdecCache *  cache);
  58 void                    swfdec_cache_set_max_cache_size (SwfdecCache *  cache,
  59                                                          gsize          max_size);
  60
  61 void                    swfdec_cache_shrink             (SwfdecCache *  cache,
  62                                                          gsize          size);
  63
  64 void                    swfdec_cache_add                (SwfdecCache *  cache,
  65                                                          SwfdecCached * cached);
  66
  67
  68
  69 G_END_DECLS
  70 #endif