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icontheme: Remove lru cache

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We will replace it with something else later
This commit is contained in:
Timm Bäder 2019-09-01 08:34:41 +02:00
parent eeec6f8fb9
commit eb087c9943
1 changed files with 0 additions and 112 deletions
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112
gtk/gtkicontheme.c
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@ -124,7 +124,6 @@ typedef enum
ICON_SUFFIX_SYMBOLIC_PNG = 1 << 4
} IconSuffix;
#define INFO_CACHE_LRU_SIZE 32
#if 0
#define DEBUG_CACHE(args) g_print args
#else
@ -157,7 +156,6 @@ struct _GtkIconTheme
struct _GtkIconThemePrivate
{
GHashTable *info_cache;
GList *info_cache_lru;
gchar *current_theme;
gchar **search_path;
@ -347,8 +345,6 @@ static GtkIconInfo *icon_info_new (IconThemeDirType type,
gint dir_size,
gint dir_scale);
static IconSuffix suffix_from_name (const gchar *name);
static void remove_from_lru_cache (GtkIconTheme *icon_theme,
GtkIconInfo *icon_info);
static gboolean icon_info_ensure_scale_and_pixbuf (GtkIconInfo* icon_info);
static guint signal_changed = 0;
@ -668,8 +664,6 @@ pixbuf_supports_svg (void)
static void
icon_info_uncached (GtkIconInfo *icon_info)
{
GtkIconTheme *icon_theme = icon_info->in_cache;
DEBUG_CACHE (("removing %p (%s %d 0x%x) from cache (icon_them: %p) (cache size %d)\n",
icon_info,
g_strjoinv (",", icon_info->key.icon_names),
@ -678,9 +672,6 @@ icon_info_uncached (GtkIconInfo *icon_info)
icon_theme != NULL ? g_hash_table_size (icon_theme->priv->info_cache) : 0));
icon_info->in_cache = NULL;
if (icon_theme != NULL)
remove_from_lru_cache (icon_theme, icon_info);
}
static void
@ -814,7 +805,6 @@ gtk_icon_theme_finalize (GObject *object)
priv = icon_theme->priv;
g_hash_table_destroy (priv->info_cache);
g_assert (priv->info_cache_lru == NULL);
if (priv->theme_changed_idle)
g_source_remove (priv->theme_changed_idle);
@ -1448,94 +1438,6 @@ ensure_valid_themes (GtkIconTheme *icon_theme)
priv->loading_themes = FALSE;
}
/* The LRU cache is a short list of IconInfos that are kept
* alive even though their IconInfo would otherwise have
* been freed, so that we can avoid reloading these
* constantly.
* We put infos on the lru list when nothing otherwise
* references the info. So, when we get a cache hit
* we remove it from the list, and when the proxy
* pixmap is released we put it on the list.
*/
static void
ensure_lru_cache_space (GtkIconTheme *icon_theme)
{
GtkIconThemePrivate *priv = icon_theme->priv;
GList *l;
/* Remove last item if LRU full */
l = g_list_nth (priv->info_cache_lru, INFO_CACHE_LRU_SIZE - 1);
if (l)
{
GtkIconInfo *icon_info = l->data;
DEBUG_CACHE (("removing (due to out of space) %p (%s %d 0x%x) from LRU cache (cache size %d)\n",
icon_info,
g_strjoinv (",", icon_info->key.icon_names),
icon_info->key.size, icon_info->key.flags,
g_list_length (priv->info_cache_lru)));
priv->info_cache_lru = g_list_delete_link (priv->info_cache_lru, l);
g_object_unref (icon_info);
}
}
static void
add_to_lru_cache (GtkIconTheme *icon_theme,
GtkIconInfo *icon_info)
{
GtkIconThemePrivate *priv = icon_theme->priv;
DEBUG_CACHE (("adding %p (%s %d 0x%x) to LRU cache (cache size %d)\n",
icon_info,
g_strjoinv (",", icon_info->key.icon_names),
icon_info->key.size, icon_info->key.flags,
g_list_length (priv->info_cache_lru)));
g_assert (g_list_find (priv->info_cache_lru, icon_info) == NULL);
ensure_lru_cache_space (icon_theme);
/* prepend new info to LRU */
priv->info_cache_lru = g_list_prepend (priv->info_cache_lru,
g_object_ref (icon_info));
}
static void
ensure_in_lru_cache (GtkIconTheme *icon_theme,
GtkIconInfo *icon_info)
{
GtkIconThemePrivate *priv = icon_theme->priv;
GList *l;
l = g_list_find (priv->info_cache_lru, icon_info);
if (l)
{
/* Move to front of LRU if already in it */
priv->info_cache_lru = g_list_remove_link (priv->info_cache_lru, l);
priv->info_cache_lru = g_list_concat (l, priv->info_cache_lru);
}
else
add_to_lru_cache (icon_theme, icon_info);
}
static void
remove_from_lru_cache (GtkIconTheme *icon_theme,
GtkIconInfo *icon_info)
{
GtkIconThemePrivate *priv = icon_theme->priv;
if (g_list_find (priv->info_cache_lru, icon_info))
{
DEBUG_CACHE (("removing %p (%s %d 0x%x) from LRU cache (cache size %d)\n",
icon_info,
g_strjoinv (",", icon_info->key.icon_names),
icon_info->key.size, icon_info->key.flags,
g_list_length (priv->info_cache_lru)));
priv->info_cache_lru = g_list_remove (priv->info_cache_lru, icon_info);
g_object_unref (icon_info);
}
}
static SymbolicPixbufCache *
symbolic_pixbuf_cache_new (GdkPixbuf *pixbuf,
const GdkRGBA *fg,
@ -1700,7 +1602,6 @@ real_choose_icon (GtkIconTheme *icon_theme,
g_hash_table_size (priv->info_cache)));
icon_info = g_object_ref (icon_info);
remove_from_lru_cache (icon_theme, icon_info);
return icon_info;
}
@ -3728,15 +3629,10 @@ static void
proxy_pixbuf_destroy (guchar *pixels, gpointer data)
{
GtkIconInfo *icon_info = data;
GtkIconTheme *icon_theme = icon_info->in_cache;
g_assert (icon_info->proxy_pixbuf != NULL);
icon_info->proxy_pixbuf = NULL;
/* Keep it alive a bit longer */
if (icon_theme != NULL)
ensure_in_lru_cache (icon_theme, icon_info);
g_object_unref (icon_info);
}
@ -3845,9 +3741,6 @@ gtk_icon_info_load_icon (GtkIconInfo *icon_info,
g_object_add_weak_pointer (G_OBJECT (icon_info->texture), (void **)&icon_info->texture);
}
if (icon_info->in_cache != NULL)
ensure_in_lru_cache (icon_info->in_cache, icon_info);
return GDK_PAINTABLE (g_object_ref (icon_info->texture));
}
@ -3962,7 +3855,6 @@ proxy_symbolic_pixbuf_destroy (guchar *pixels,
gpointer data)
{
GtkIconInfo *icon_info = data;
GtkIconTheme *icon_theme = icon_info->in_cache;
SymbolicPixbufCache *symbolic_cache;
for (symbolic_cache = icon_info->symbolic_pixbuf_cache;
@ -3979,10 +3871,6 @@ proxy_symbolic_pixbuf_destroy (guchar *pixels,
symbolic_cache->proxy_pixbuf = NULL;
/* Keep it alive a bit longer */
if (icon_theme != NULL)
ensure_in_lru_cache (icon_theme, icon_info);
g_object_unref (icon_info);
}