#include "st-texture-cache.h"
#include <gtk/gtk.h>
-#define GNOME_DESKTOP_USE_UNSTABLE_API
-#include <libgnome-desktop/gnome-desktop-thumbnail.h>
#include <string.h>
#include <glib.h>
#define CACHE_PREFIX_GICON "gicon:"
#define CACHE_PREFIX_URI "uri:"
#define CACHE_PREFIX_URI_FOR_CAIRO "uri-for-cairo:"
-#define CACHE_PREFIX_THUMBNAIL_URI "thumbnail-uri:"
#define CACHE_PREFIX_RAW_CHECKSUM "raw-checksum:"
#define CACHE_PREFIX_COMPRESSED_CHECKSUM "compressed-checksum:"
* cases too.
*/
GHashTable *outstanding_requests; /* char * -> AsyncTextureLoadData * */
- GnomeDesktopThumbnailFactory *thumbnails;
};
static void st_texture_cache_dispose (GObject *object);
g_free, cogl_handle_unref);
self->priv->outstanding_requests = g_hash_table_new_full (g_str_hash, g_str_equal,
g_free, NULL);
- self->priv->thumbnails = gnome_desktop_thumbnail_factory_new (GNOME_DESKTOP_THUMBNAIL_SIZE_LARGE);
}
static void
g_hash_table_destroy (self->priv->outstanding_requests);
self->priv->outstanding_requests = NULL;
- if (self->priv->thumbnails)
- g_object_unref (self->priv->thumbnails);
- self->priv->thumbnails = NULL;
-
G_OBJECT_CLASS (st_texture_cache_parent_class)->dispose (object);
}
char *key;
char *checksum;
- gboolean thumbnail;
gboolean enforced_square;
guint width;
return pixbuf;
}
-static GdkPixbuf *
-impl_load_thumbnail (StTextureCache *cache,
- const char *uri,
- const char *mime_type,
- guint size,
- GError **error)
-{
- GnomeDesktopThumbnailFactory *thumbnail_factory;
- GdkPixbuf *pixbuf = NULL;
- GFile *file;
- GFileInfo *file_info;
- GTimeVal mtime_g;
- time_t mtime = 0;
- char *existing_thumbnail;
-
- file = g_file_new_for_uri (uri);
- file_info = g_file_query_info (file, G_FILE_ATTRIBUTE_TIME_MODIFIED, G_FILE_QUERY_INFO_NONE, NULL, NULL);
- g_object_unref (file);
- if (file_info)
- {
- g_file_info_get_modification_time (file_info, &mtime_g);
- g_object_unref (file_info);
- mtime = (time_t) mtime_g.tv_sec;
- }
-
- thumbnail_factory = cache->priv->thumbnails;
-
- existing_thumbnail = gnome_desktop_thumbnail_factory_lookup (thumbnail_factory, uri, mtime);
-
- if (existing_thumbnail != NULL)
- {
- pixbuf = gdk_pixbuf_new_from_file_at_size (existing_thumbnail, size, size, error);
- g_free (existing_thumbnail);
- }
- else if (gnome_desktop_thumbnail_factory_has_valid_failed_thumbnail (thumbnail_factory, uri, mtime))
- g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED, "Has failed thumbnail");
- else if (gnome_desktop_thumbnail_factory_can_thumbnail (thumbnail_factory, uri, mime_type, mtime))
- {
- pixbuf = gnome_desktop_thumbnail_factory_generate_thumbnail (thumbnail_factory, uri, mime_type);
- if (pixbuf)
- {
- /* we need to save the thumbnail so that we don't need to generate it again in the future */
- gnome_desktop_thumbnail_factory_save_thumbnail (thumbnail_factory, pixbuf, uri, mtime);
- }
- else
- {
- g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED, "Failed to generate thumbnail");
- gnome_desktop_thumbnail_factory_create_failed_thumbnail (thumbnail_factory, uri, mtime);
- }
- }
- return pixbuf;
-}
-
static GIcon *
icon_for_mimetype (const char *mimetype)
{
data = g_async_result_get_user_data (G_ASYNC_RESULT (result));
g_assert (data != NULL);
- if (data->thumbnail)
- {
- const char *uri;
- const char *mimetype;
-
- if (data->recent_info)
- {
- uri = gtk_recent_info_get_uri (data->recent_info);
- mimetype = gtk_recent_info_get_mime_type (data->recent_info);
- }
- else
- {
- uri = data->uri;
- mimetype = data->mimetype;
- }
- pixbuf = impl_load_thumbnail (data->cache, uri, mimetype, data->width, &error);
- }
- else if (data->uri)
+ if (data->uri)
pixbuf = impl_load_pixbuf_file (data->uri, data->width, data->height, &error);
else if (data->icon)
pixbuf = impl_load_pixbuf_gicon (data->icon, data->icon_info, data->width, data->colors, &error);
return surface;
}
-static GdkPixbuf *
-load_pixbuf_fallback(AsyncTextureLoadData *data)
-{
- GdkPixbuf *pixbuf = NULL;
-
- if (data->thumbnail)
- {
-
- GtkIconTheme *theme = gtk_icon_theme_get_default ();
-
- if (data->recent_info)
- pixbuf = gtk_recent_info_get_icon (data->recent_info, data->width);
- else
- {
- GIcon *icon = icon_for_mimetype (data->mimetype);
- if (icon != NULL)
- {
- GtkIconInfo *icon_info = gtk_icon_theme_lookup_by_gicon (theme,
- icon,
- data->width,
- GTK_ICON_LOOKUP_USE_BUILTIN);
- g_object_unref (icon);
- if (icon_info != NULL)
- pixbuf = gtk_icon_info_load_icon (icon_info, NULL);
- }
- }
-
- if (pixbuf == NULL)
- pixbuf = gtk_icon_theme_load_icon (theme,
- "gtk-file",
- data->width,
- GTK_ICON_LOOKUP_USE_BUILTIN,
- NULL);
- }
- /* Maybe we could need a fallback for outher image types? */
-
- return pixbuf;
-}
-
static void
on_pixbuf_loaded (GObject *source,
GAsyncResult *result,
g_hash_table_remove (cache->priv->outstanding_requests, data->key);
pixbuf = load_pixbuf_async_finish (cache, result, &error);
- if (pixbuf == NULL)
- pixbuf = load_pixbuf_fallback (data);
if (pixbuf == NULL)
goto out;
return CLUTTER_ACTOR (texture);
}
-/**
- * st_texture_cache_load_thumbnail:
- * @cache:
- * @size: Size in pixels to use for thumbnail
- * @uri: Source URI
- * @mimetype: Source mime type
- *
- * Asynchronously load a thumbnail image of a URI into a texture. The
- * returned texture object will be a new instance; however, its texture data
- * may be shared with other objects. This implies the texture data is cached.
- *
- * The current caching policy is permanent; to uncache, you must explicitly
- * call st_texture_cache_unref_thumbnail().
- *
- * Returns: (transfer none): A new #ClutterActor
- */
-ClutterActor *
-st_texture_cache_load_thumbnail (StTextureCache *cache,
- int size,
- const char *uri,
- const char *mimetype)
-{
- ClutterTexture *texture;
- AsyncTextureLoadData *data;
- char *key;
- CoglHandle texdata;
-
- /* Don't attempt to load thumbnails for non-local URIs */
- if (!g_str_has_prefix (uri, "file://"))
- {
- GIcon *icon = icon_for_mimetype (mimetype);
- return st_texture_cache_load_gicon (cache, NULL, icon, size);
- }
-
- texture = create_default_texture (cache);
- clutter_actor_set_size (CLUTTER_ACTOR (texture), size, size);
-
- key = g_strdup_printf (CACHE_PREFIX_THUMBNAIL_URI "uri=%s,size=%d", uri, size);
-
- texdata = g_hash_table_lookup (cache->priv->keyed_cache, key);
- if (!texdata)
- {
- data = g_new0 (AsyncTextureLoadData, 1);
- data->cache = cache;
- data->key = g_strdup (key);
- data->policy = ST_TEXTURE_CACHE_POLICY_FOREVER;
- data->uri = g_strdup (uri);
- data->mimetype = g_strdup (mimetype);
- data->thumbnail = TRUE;
- data->width = size;
- data->height = size;
- data->enforced_square = TRUE;
- data->textures = g_slist_prepend (data->textures, g_object_ref (texture));
- load_texture_async (cache, data);
- }
- else
- {
- set_texture_cogl_texture (texture, texdata);
- }
-
- g_free (key);
- return CLUTTER_ACTOR (texture);
-}
-
static GIcon *
icon_for_recent (GtkRecentInfo *info)
{
return icon_for_mimetype (mimetype);
}
-/**
- * st_texture_cache_load_recent_thumbnail:
- * @cache:
- * @size: Size in pixels to use for thumbnail
- * @info: Recent item info
- *
- * Asynchronously load a thumbnail image of a #GtkRecentInfo into a texture. The
- * returned texture object will be a new instance; however, its texture data
- * may be shared with other objects. This implies the texture data is cached.
- *
- * The current caching policy is permanent; to uncache, you must explicitly
- * call st_texture_cache_unref_recent_thumbnail().
- *
- * Returns: (transfer none): A new #ClutterActor
- */
-ClutterActor *
-st_texture_cache_load_recent_thumbnail (StTextureCache *cache,
- int size,
- GtkRecentInfo *info)
-{
- ClutterTexture *texture;
- AsyncTextureLoadData *data;
- char *key;
- CoglHandle texdata;
- const char *uri;
-
- uri = gtk_recent_info_get_uri (info);
-
- /* Don't attempt to load thumbnails for non-local URIs */
- if (!g_str_has_prefix (uri, "file://"))
- {
- GIcon *icon = icon_for_recent (info);
- return st_texture_cache_load_gicon (cache, NULL, icon, size);
- }
-
- texture = CLUTTER_TEXTURE (clutter_texture_new ());
- clutter_actor_set_size (CLUTTER_ACTOR (texture), size, size);
-
- key = g_strdup_printf (CACHE_PREFIX_THUMBNAIL_URI "uri=%s,size=%d", uri, size);
-
- texdata = g_hash_table_lookup (cache->priv->keyed_cache, key);
- if (!texdata)
- {
- data = g_new0 (AsyncTextureLoadData, 1);
- data->cache = cache;
- data->key = g_strdup (key);
- data->policy = ST_TEXTURE_CACHE_POLICY_FOREVER;
- data->thumbnail = TRUE;
- data->recent_info = gtk_recent_info_ref (info);
- data->width = size;
- data->height = size;
- data->enforced_square = TRUE;
- data->textures = g_slist_prepend (data->textures, g_object_ref (texture));
- load_texture_async (cache, data);
- }
- else
- {
- set_texture_cogl_texture (texture, texdata);
- }
-
- g_free (key);
- return CLUTTER_ACTOR (texture);
-}
-
-/**
- * st_texture_cache_evict_thumbnail:
- * @cache:
- * @uri: Source URI
- *
- * Removes all references added by st_texture_cache_load_thumbnail() function
- * created for the given URI.
- */
-void
-st_texture_cache_evict_thumbnail (StTextureCache *cache,
- const char *uri)
-{
- char *target_key;
-
- target_key = g_strconcat (CACHE_PREFIX_THUMBNAIL_URI, uri, NULL);
- g_hash_table_remove (cache->priv->keyed_cache, target_key);
- g_free (target_key);
-}
-
-/**
- * st_texture_cache_evict_recent_thumbnail:
- * @cache:
- * @info: A recent info
- *
- * Removes all references added by st_texture_cache_load_recent_thumbnail() function
- * for the URI associated with the given @info.
- */
-void
-st_texture_cache_evict_recent_thumbnail (StTextureCache *cache,
- GtkRecentInfo *info)
-{
- st_texture_cache_evict_thumbnail (cache, gtk_recent_info_get_uri (info));
-}
-
static size_t
pixbuf_byte_size (GdkPixbuf *pixbuf)
{
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