mirror of https://github.com/GNOME/gimp.git
983 lines
30 KiB
C
983 lines
30 KiB
C
/* GIMP - The GNU Image Manipulation Program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* gimpdatafactory.c
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* Copyright (C) 2001 Michael Natterer <mitch@gimp.org>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <stdlib.h>
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#include <string.h>
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#include <gdk-pixbuf/gdk-pixbuf.h>
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#include <gegl.h>
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#include "libgimpbase/gimpbase.h"
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#include "libgimpmath/gimpmath.h"
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#include "libgimpconfig/gimpconfig.h"
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#include "core-types.h"
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#include "gimp.h"
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#include "gimp-utils.h"
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#include "gimpcontext.h"
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#include "gimpdata.h"
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#include "gimpdatafactory.h"
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#include "gimplist.h"
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#include "gimp-intl.h"
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/* Data files that have this string in their path are considered
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* obsolete and are only kept around for backwards compatibility
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*/
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#define GIMP_OBSOLETE_DATA_DIR_NAME "gimp-obsolete-files"
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typedef void (* GimpDataForeachFunc) (GimpDataFactory *factory,
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GimpData *data,
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gpointer user_data);
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struct _GimpDataFactoryPriv
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{
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Gimp *gimp;
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GimpContainer *container;
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GimpContainer *container_obsolete;
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gchar *path_property_name;
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gchar *writable_property_name;
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const GimpDataFactoryLoaderEntry *loader_entries;
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gint n_loader_entries;
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GimpDataNewFunc data_new_func;
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GimpDataGetStandardFunc data_get_standard_func;
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};
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static void gimp_data_factory_finalize (GObject *object);
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static gint64 gimp_data_factory_get_memsize (GimpObject *object,
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gint64 *gui_size);
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static void gimp_data_factory_data_foreach (GimpDataFactory *factory,
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gboolean skip_internal,
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GimpDataForeachFunc callback,
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gpointer user_data);
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static void gimp_data_factory_data_load (GimpDataFactory *factory,
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GimpContext *context,
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GHashTable *cache);
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static GFile * gimp_data_factory_get_save_dir (GimpDataFactory *factory,
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GError **error);
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static void gimp_data_factory_load_directory (GimpDataFactory *factory,
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GimpContext *context,
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GHashTable *cache,
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gboolean dir_writable,
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GFile *directory,
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GFile *top_directory);
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static void gimp_data_factory_load_data (GimpDataFactory *factory,
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GimpContext *context,
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GHashTable *cache,
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gboolean dir_writable,
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GFile *file,
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GFileInfo *info,
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GFile *top_directory);
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G_DEFINE_TYPE (GimpDataFactory, gimp_data_factory, GIMP_TYPE_OBJECT)
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#define parent_class gimp_data_factory_parent_class
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static void
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gimp_data_factory_class_init (GimpDataFactoryClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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GimpObjectClass *gimp_object_class = GIMP_OBJECT_CLASS (klass);
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object_class->finalize = gimp_data_factory_finalize;
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gimp_object_class->get_memsize = gimp_data_factory_get_memsize;
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g_type_class_add_private (klass, sizeof (GimpDataFactoryPriv));
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}
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static void
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gimp_data_factory_init (GimpDataFactory *factory)
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{
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factory->priv = G_TYPE_INSTANCE_GET_PRIVATE (factory,
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GIMP_TYPE_DATA_FACTORY,
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GimpDataFactoryPriv);
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factory->priv->gimp = NULL;
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factory->priv->container = NULL;
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factory->priv->container_obsolete = NULL;
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factory->priv->path_property_name = NULL;
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factory->priv->writable_property_name = NULL;
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factory->priv->loader_entries = NULL;
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factory->priv->n_loader_entries = 0;
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factory->priv->data_new_func = NULL;
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factory->priv->data_get_standard_func = NULL;
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}
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static void
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gimp_data_factory_finalize (GObject *object)
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{
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GimpDataFactory *factory = GIMP_DATA_FACTORY (object);
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g_clear_object (&factory->priv->container);
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g_clear_object (&factory->priv->container_obsolete);
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g_clear_pointer (&factory->priv->path_property_name, g_free);
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g_clear_pointer (&factory->priv->writable_property_name, g_free);
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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static gint64
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gimp_data_factory_get_memsize (GimpObject *object,
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gint64 *gui_size)
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{
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GimpDataFactory *factory = GIMP_DATA_FACTORY (object);
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gint64 memsize = 0;
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memsize += gimp_object_get_memsize (GIMP_OBJECT (factory->priv->container),
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gui_size);
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memsize += gimp_object_get_memsize (GIMP_OBJECT (factory->priv->container_obsolete),
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gui_size);
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return memsize + GIMP_OBJECT_CLASS (parent_class)->get_memsize (object,
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gui_size);
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}
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GimpDataFactory *
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gimp_data_factory_new (Gimp *gimp,
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GType data_type,
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const gchar *path_property_name,
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const gchar *writable_property_name,
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const GimpDataFactoryLoaderEntry *loader_entries,
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gint n_loader_entries,
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GimpDataNewFunc new_func,
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GimpDataGetStandardFunc get_standard_func)
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{
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GimpDataFactory *factory;
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g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
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g_return_val_if_fail (g_type_is_a (data_type, GIMP_TYPE_DATA), NULL);
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g_return_val_if_fail (path_property_name != NULL, NULL);
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g_return_val_if_fail (writable_property_name != NULL, NULL);
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g_return_val_if_fail (loader_entries != NULL, NULL);
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g_return_val_if_fail (n_loader_entries > 0, NULL);
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factory = g_object_new (GIMP_TYPE_DATA_FACTORY, NULL);
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factory->priv->gimp = gimp;
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factory->priv->container = gimp_list_new (data_type, TRUE);
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gimp_list_set_sort_func (GIMP_LIST (factory->priv->container),
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(GCompareFunc) gimp_data_compare);
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factory->priv->container_obsolete = gimp_list_new (data_type, TRUE);
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gimp_list_set_sort_func (GIMP_LIST (factory->priv->container_obsolete),
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(GCompareFunc) gimp_data_compare);
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factory->priv->path_property_name = g_strdup (path_property_name);
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factory->priv->writable_property_name = g_strdup (writable_property_name);
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factory->priv->loader_entries = loader_entries;
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factory->priv->n_loader_entries = n_loader_entries;
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factory->priv->data_new_func = new_func;
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factory->priv->data_get_standard_func = get_standard_func;
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return factory;
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}
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void
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gimp_data_factory_data_init (GimpDataFactory *factory,
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GimpContext *context,
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gboolean no_data)
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{
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g_return_if_fail (GIMP_IS_DATA_FACTORY (factory));
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g_return_if_fail (GIMP_IS_CONTEXT (context));
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/* Freeze and thaw the container even if no_data,
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* this creates the standard data that serves as fallback.
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*/
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gimp_container_freeze (factory->priv->container);
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if (! no_data)
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{
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if (factory->priv->gimp->be_verbose)
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{
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const gchar *name = gimp_object_get_name (factory);
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g_print ("Loading '%s' data\n", name ? name : "???");
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}
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gimp_data_factory_data_load (factory, context, NULL);
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}
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gimp_container_thaw (factory->priv->container);
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}
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static void
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gimp_data_factory_clean_cb (GimpDataFactory *factory,
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GimpData *data,
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gpointer user_data)
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{
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if (gimp_data_is_dirty (data))
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gimp_data_clean (data);
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}
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void
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gimp_data_factory_data_clean (GimpDataFactory *factory)
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{
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g_return_if_fail (GIMP_IS_DATA_FACTORY (factory));
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gimp_data_factory_data_foreach (factory, TRUE,
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gimp_data_factory_clean_cb, NULL);
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}
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static void
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gimp_data_factory_refresh_cache_add (GimpDataFactory *factory,
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GimpData *data,
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gpointer user_data)
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{
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GFile *file = gimp_data_get_file (data);
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if (file)
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{
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GHashTable *cache = user_data;
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GList *list;
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g_object_ref (data);
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gimp_container_remove (factory->priv->container, GIMP_OBJECT (data));
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list = g_hash_table_lookup (cache, file);
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list = g_list_prepend (list, data);
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g_hash_table_insert (cache, file, list);
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}
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}
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static gboolean
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gimp_data_factory_refresh_cache_remove (gpointer key,
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gpointer value,
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gpointer user_data)
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{
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GList *list;
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for (list = value; list; list = list->next)
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g_object_unref (list->data);
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g_list_free (value);
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return TRUE;
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}
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static void
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gimp_data_factory_data_foreach (GimpDataFactory *factory,
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gboolean skip_internal,
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GimpDataForeachFunc callback,
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gpointer user_data)
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{
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GList *list = GIMP_LIST (factory->priv->container)->queue->head;
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if (skip_internal)
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{
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while (list && gimp_data_is_internal (GIMP_DATA (list->data)))
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list = g_list_next (list);
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}
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while (list)
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{
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GList *next = g_list_next (list);
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callback (factory, list->data, user_data);
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list = next;
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}
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}
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static void
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gimp_data_factory_data_load (GimpDataFactory *factory,
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GimpContext *context,
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GHashTable *cache)
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{
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gchar *p;
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gchar *wp;
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GList *path;
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GList *writable_path;
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GList *list;
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g_object_get (factory->priv->gimp->config,
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factory->priv->path_property_name, &p,
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factory->priv->writable_property_name, &wp,
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NULL);
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path = gimp_config_path_expand_to_files (p, NULL);
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writable_path = gimp_config_path_expand_to_files (wp, NULL);
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g_free (p);
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g_free (wp);
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for (list = path; list; list = g_list_next (list))
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{
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gboolean dir_writable = FALSE;
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if (g_list_find_custom (writable_path, list->data,
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(GCompareFunc) gimp_file_compare))
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dir_writable = TRUE;
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gimp_data_factory_load_directory (factory, context, cache,
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dir_writable,
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list->data,
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list->data);
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}
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g_list_free_full (path, (GDestroyNotify) g_object_unref);
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g_list_free_full (writable_path, (GDestroyNotify) g_object_unref);
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}
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void
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gimp_data_factory_data_refresh (GimpDataFactory *factory,
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GimpContext *context)
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{
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GHashTable *cache;
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g_return_if_fail (GIMP_IS_DATA_FACTORY (factory));
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g_return_if_fail (GIMP_IS_CONTEXT (context));
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gimp_container_freeze (factory->priv->container);
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/* First, save all dirty data objects */
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gimp_data_factory_data_save (factory);
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cache = g_hash_table_new (g_file_hash, (GEqualFunc) g_file_equal);
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gimp_data_factory_data_foreach (factory, TRUE,
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gimp_data_factory_refresh_cache_add, cache);
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/* Now the cache contains a GFile => list-of-objects mapping of
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* the old objects. So we should now traverse the directory and for
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* each file load it only if its mtime is newer.
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*
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* Once a file was added, it is removed from the cache, so the only
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* objects remaining there will be those that are not present on
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* the disk (that have to be destroyed)
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*/
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gimp_data_factory_data_load (factory, context, cache);
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/* Now all the data is loaded. Free what remains in the cache */
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g_hash_table_foreach_remove (cache,
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gimp_data_factory_refresh_cache_remove, NULL);
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g_hash_table_destroy (cache);
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gimp_container_thaw (factory->priv->container);
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}
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void
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gimp_data_factory_data_save (GimpDataFactory *factory)
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{
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GList *dirty = NULL;
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GList *list;
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GFile *writable_dir;
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GError *error = NULL;
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g_return_if_fail (GIMP_IS_DATA_FACTORY (factory));
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if (gimp_container_is_empty (factory->priv->container))
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return;
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for (list = GIMP_LIST (factory->priv->container)->queue->head;
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list;
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list = g_list_next (list))
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{
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GimpData *data = list->data;
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if (gimp_data_is_dirty (data) &&
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gimp_data_is_writable (data))
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{
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dirty = g_list_prepend (dirty, data);
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}
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}
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if (! dirty)
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return;
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writable_dir = gimp_data_factory_get_save_dir (factory, &error);
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if (! writable_dir)
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{
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gimp_message (factory->priv->gimp, NULL, GIMP_MESSAGE_ERROR,
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_("Failed to save data:\n\n%s"),
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error->message);
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g_clear_error (&error);
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g_list_free (dirty);
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return;
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}
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for (list = dirty; list; list = g_list_next (list))
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{
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GimpData *data = list->data;
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GError *error = NULL;
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if (! gimp_data_get_file (data))
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gimp_data_create_filename (data, writable_dir);
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if (! gimp_data_save (data, &error))
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{
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/* check if there actually was an error (no error
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* means the data class does not implement save)
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*/
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if (error)
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{
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gimp_message (factory->priv->gimp, NULL, GIMP_MESSAGE_ERROR,
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_("Failed to save data:\n\n%s"),
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error->message);
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g_clear_error (&error);
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}
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}
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}
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g_object_unref (writable_dir);
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g_list_free (dirty);
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}
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static void
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gimp_data_factory_remove_cb (GimpDataFactory *factory,
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GimpData *data,
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gpointer user_data)
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{
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gimp_container_remove (factory->priv->container, GIMP_OBJECT (data));
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}
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void
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gimp_data_factory_data_free (GimpDataFactory *factory)
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{
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g_return_if_fail (GIMP_IS_DATA_FACTORY (factory));
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gimp_container_freeze (factory->priv->container);
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gimp_data_factory_data_foreach (factory, TRUE,
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gimp_data_factory_remove_cb, NULL);
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gimp_container_thaw (factory->priv->container);
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}
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GimpData *
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gimp_data_factory_data_new (GimpDataFactory *factory,
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GimpContext *context,
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const gchar *name)
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{
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g_return_val_if_fail (GIMP_IS_DATA_FACTORY (factory), NULL);
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g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
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g_return_val_if_fail (name != NULL, NULL);
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g_return_val_if_fail (*name != '\0', NULL);
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if (factory->priv->data_new_func)
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{
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GimpData *data = factory->priv->data_new_func (context, name);
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if (data)
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{
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gimp_container_add (factory->priv->container, GIMP_OBJECT (data));
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g_object_unref (data);
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return data;
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}
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g_warning ("%s: factory->priv->data_new_func() returned NULL", G_STRFUNC);
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}
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return NULL;
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}
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GimpData *
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gimp_data_factory_data_duplicate (GimpDataFactory *factory,
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GimpData *data)
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{
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GimpData *new_data;
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g_return_val_if_fail (GIMP_IS_DATA_FACTORY (factory), NULL);
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g_return_val_if_fail (GIMP_IS_DATA (data), NULL);
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new_data = gimp_data_duplicate (data);
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if (new_data)
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{
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const gchar *name = gimp_object_get_name (data);
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gchar *ext;
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gint copy_len;
|
|
gint number;
|
|
gchar *new_name;
|
|
|
|
ext = strrchr (name, '#');
|
|
copy_len = strlen (_("copy"));
|
|
|
|
if ((strlen (name) >= copy_len &&
|
|
strcmp (&name[strlen (name) - copy_len], _("copy")) == 0) ||
|
|
(ext && (number = atoi (ext + 1)) > 0 &&
|
|
((gint) (log10 (number) + 1)) == strlen (ext + 1)))
|
|
{
|
|
/* don't have redundant "copy"s */
|
|
new_name = g_strdup (name);
|
|
}
|
|
else
|
|
{
|
|
new_name = g_strdup_printf (_("%s copy"), name);
|
|
}
|
|
|
|
gimp_object_take_name (GIMP_OBJECT (new_data), new_name);
|
|
|
|
gimp_container_add (factory->priv->container, GIMP_OBJECT (new_data));
|
|
g_object_unref (new_data);
|
|
}
|
|
|
|
return new_data;
|
|
}
|
|
|
|
gboolean
|
|
gimp_data_factory_data_delete (GimpDataFactory *factory,
|
|
GimpData *data,
|
|
gboolean delete_from_disk,
|
|
GError **error)
|
|
{
|
|
gboolean retval = TRUE;
|
|
|
|
g_return_val_if_fail (GIMP_IS_DATA_FACTORY (factory), FALSE);
|
|
g_return_val_if_fail (GIMP_IS_DATA (data), FALSE);
|
|
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
|
|
|
|
if (gimp_container_have (factory->priv->container, GIMP_OBJECT (data)))
|
|
{
|
|
g_object_ref (data);
|
|
|
|
gimp_container_remove (factory->priv->container, GIMP_OBJECT (data));
|
|
|
|
if (delete_from_disk && gimp_data_get_file (data))
|
|
retval = gimp_data_delete_from_disk (data, error);
|
|
|
|
g_object_unref (data);
|
|
}
|
|
|
|
return retval;
|
|
}
|
|
|
|
GimpData *
|
|
gimp_data_factory_data_get_standard (GimpDataFactory *factory,
|
|
GimpContext *context)
|
|
{
|
|
g_return_val_if_fail (GIMP_IS_DATA_FACTORY (factory), NULL);
|
|
g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
|
|
|
|
if (factory->priv->data_get_standard_func)
|
|
return factory->priv->data_get_standard_func (context);
|
|
|
|
return NULL;
|
|
}
|
|
|
|
gboolean
|
|
gimp_data_factory_data_save_single (GimpDataFactory *factory,
|
|
GimpData *data,
|
|
GError **error)
|
|
{
|
|
g_return_val_if_fail (GIMP_IS_DATA_FACTORY (factory), FALSE);
|
|
g_return_val_if_fail (GIMP_IS_DATA (data), FALSE);
|
|
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
|
|
|
|
if (! gimp_data_is_dirty (data))
|
|
return TRUE;
|
|
|
|
if (! gimp_data_get_file (data))
|
|
{
|
|
GFile *writable_dir;
|
|
GError *my_error = NULL;
|
|
|
|
writable_dir = gimp_data_factory_get_save_dir (factory, &my_error);
|
|
|
|
if (! writable_dir)
|
|
{
|
|
g_set_error (error, GIMP_DATA_ERROR, 0,
|
|
_("Failed to save data:\n\n%s"),
|
|
my_error->message);
|
|
g_clear_error (&my_error);
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
gimp_data_create_filename (data, writable_dir);
|
|
|
|
g_object_unref (writable_dir);
|
|
}
|
|
|
|
if (! gimp_data_is_writable (data))
|
|
return FALSE;
|
|
|
|
if (! gimp_data_save (data, error))
|
|
{
|
|
/* check if there actually was an error (no error
|
|
* means the data class does not implement save)
|
|
*/
|
|
if (! error)
|
|
g_set_error (error, GIMP_DATA_ERROR, 0,
|
|
_("Failed to save data:\n\n%s"),
|
|
"Data class does not implement saving");
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
GType
|
|
gimp_data_factory_get_data_type (GimpDataFactory *factory)
|
|
{
|
|
g_return_val_if_fail (GIMP_IS_DATA_FACTORY (factory), G_TYPE_NONE);
|
|
|
|
return gimp_container_get_children_type (factory->priv->container);
|
|
}
|
|
|
|
GimpContainer *
|
|
gimp_data_factory_get_container (GimpDataFactory *factory)
|
|
{
|
|
g_return_val_if_fail (GIMP_IS_DATA_FACTORY (factory), NULL);
|
|
|
|
return factory->priv->container;
|
|
}
|
|
|
|
GimpContainer *
|
|
gimp_data_factory_get_container_obsolete (GimpDataFactory *factory)
|
|
{
|
|
g_return_val_if_fail (GIMP_IS_DATA_FACTORY (factory), NULL);
|
|
|
|
return factory->priv->container_obsolete;
|
|
}
|
|
|
|
Gimp *
|
|
gimp_data_factory_get_gimp (GimpDataFactory *factory)
|
|
{
|
|
g_return_val_if_fail (GIMP_IS_DATA_FACTORY (factory), NULL);
|
|
|
|
return factory->priv->gimp;
|
|
}
|
|
|
|
gboolean
|
|
gimp_data_factory_has_data_new_func (GimpDataFactory *factory)
|
|
{
|
|
g_return_val_if_fail (GIMP_IS_DATA_FACTORY (factory), FALSE);
|
|
|
|
return factory->priv->data_new_func != NULL;
|
|
}
|
|
|
|
|
|
/* private functions */
|
|
|
|
static GFile *
|
|
gimp_data_factory_get_save_dir (GimpDataFactory *factory,
|
|
GError **error)
|
|
{
|
|
gchar *p;
|
|
gchar *wp;
|
|
GList *path;
|
|
GList *writable_path;
|
|
GFile *writable_dir = NULL;
|
|
|
|
g_object_get (factory->priv->gimp->config,
|
|
factory->priv->path_property_name, &p,
|
|
factory->priv->writable_property_name, &wp,
|
|
NULL);
|
|
|
|
path = gimp_config_path_expand_to_files (p, NULL);
|
|
writable_path = gimp_config_path_expand_to_files (wp, NULL);
|
|
|
|
g_free (p);
|
|
g_free (wp);
|
|
|
|
if (writable_path)
|
|
{
|
|
GList *list;
|
|
gboolean found_any = FALSE;
|
|
|
|
for (list = writable_path; list; list = g_list_next (list))
|
|
{
|
|
GList *found = g_list_find_custom (path, list->data,
|
|
(GCompareFunc) gimp_file_compare);
|
|
if (found)
|
|
{
|
|
GFile *dir = found->data;
|
|
|
|
found_any = TRUE;
|
|
|
|
if (g_file_query_file_type (dir, G_FILE_QUERY_INFO_NONE,
|
|
NULL) != G_FILE_TYPE_DIRECTORY)
|
|
{
|
|
/* error out only if this is the last chance */
|
|
if (! list->next)
|
|
{
|
|
g_set_error (error, GIMP_DATA_ERROR, 0,
|
|
_("You have a writable data folder "
|
|
"configured (%s), but this folder does "
|
|
"not exist. Please create the folder or "
|
|
"fix your configuration in the "
|
|
"Preferences dialog's 'Folders' section."),
|
|
gimp_file_get_utf8_name (dir));
|
|
}
|
|
}
|
|
else
|
|
{
|
|
writable_dir = g_object_ref (dir);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (! writable_dir && ! found_any)
|
|
{
|
|
g_set_error (error, GIMP_DATA_ERROR, 0,
|
|
_("You have a writable data folder configured, but this "
|
|
"folder is not part of your data search path. You "
|
|
"probably edited the gimprc file manually, "
|
|
"please fix it in the Preferences dialog's 'Folders' "
|
|
"section."));
|
|
}
|
|
}
|
|
else
|
|
{
|
|
g_set_error (error, GIMP_DATA_ERROR, 0,
|
|
_("You don't have any writable data folder configured."));
|
|
}
|
|
|
|
g_list_free_full (path, (GDestroyNotify) g_object_unref);
|
|
g_list_free_full (writable_path, (GDestroyNotify) g_object_unref);
|
|
|
|
return writable_dir;
|
|
}
|
|
|
|
static void
|
|
gimp_data_factory_load_directory (GimpDataFactory *factory,
|
|
GimpContext *context,
|
|
GHashTable *cache,
|
|
gboolean dir_writable,
|
|
GFile *directory,
|
|
GFile *top_directory)
|
|
{
|
|
GFileEnumerator *enumerator;
|
|
|
|
enumerator = g_file_enumerate_children (directory,
|
|
G_FILE_ATTRIBUTE_STANDARD_NAME ","
|
|
G_FILE_ATTRIBUTE_STANDARD_IS_HIDDEN ","
|
|
G_FILE_ATTRIBUTE_STANDARD_TYPE ","
|
|
G_FILE_ATTRIBUTE_TIME_MODIFIED,
|
|
G_FILE_QUERY_INFO_NONE,
|
|
NULL, NULL);
|
|
|
|
if (enumerator)
|
|
{
|
|
GFileInfo *info;
|
|
|
|
while ((info = g_file_enumerator_next_file (enumerator, NULL, NULL)))
|
|
{
|
|
GFileType file_type;
|
|
GFile *child;
|
|
|
|
if (g_file_info_get_is_hidden (info))
|
|
{
|
|
g_object_unref (info);
|
|
continue;
|
|
}
|
|
|
|
file_type = g_file_info_get_file_type (info);
|
|
child = g_file_enumerator_get_child (enumerator, info);
|
|
|
|
if (file_type == G_FILE_TYPE_DIRECTORY)
|
|
{
|
|
gimp_data_factory_load_directory (factory, context, cache,
|
|
dir_writable,
|
|
child,
|
|
top_directory);
|
|
}
|
|
else if (file_type == G_FILE_TYPE_REGULAR)
|
|
{
|
|
gimp_data_factory_load_data (factory, context, cache,
|
|
dir_writable,
|
|
child, info,
|
|
top_directory);
|
|
}
|
|
|
|
g_object_unref (child);
|
|
g_object_unref (info);
|
|
}
|
|
|
|
g_object_unref (enumerator);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gimp_data_factory_load_data (GimpDataFactory *factory,
|
|
GimpContext *context,
|
|
GHashTable *cache,
|
|
gboolean dir_writable,
|
|
GFile *file,
|
|
GFileInfo *info,
|
|
GFile *top_directory)
|
|
{
|
|
const GimpDataFactoryLoaderEntry *loader = NULL;
|
|
GList *data_list = NULL;
|
|
GInputStream *input;
|
|
guint64 mtime;
|
|
gint i;
|
|
GError *error = NULL;
|
|
|
|
for (i = 0; i < factory->priv->n_loader_entries; i++)
|
|
{
|
|
loader = &factory->priv->loader_entries[i];
|
|
|
|
/* a loder matches if its extension matches, or if it doesn't
|
|
* have an extension, which is the case for the fallback loader,
|
|
* which must be last in the loader array
|
|
*/
|
|
if (! loader->extension ||
|
|
gimp_file_has_extension (file, loader->extension))
|
|
{
|
|
goto insert;
|
|
}
|
|
}
|
|
|
|
return;
|
|
|
|
insert:
|
|
mtime = g_file_info_get_attribute_uint64 (info,
|
|
G_FILE_ATTRIBUTE_TIME_MODIFIED);
|
|
|
|
if (cache)
|
|
{
|
|
GList *cached_data = g_hash_table_lookup (cache, file);
|
|
|
|
if (cached_data &&
|
|
gimp_data_get_mtime (cached_data->data) != 0 &&
|
|
gimp_data_get_mtime (cached_data->data) == mtime)
|
|
{
|
|
GList *list;
|
|
|
|
for (list = cached_data; list; list = g_list_next (list))
|
|
gimp_container_add (factory->priv->container, list->data);
|
|
|
|
return;
|
|
}
|
|
}
|
|
|
|
input = G_INPUT_STREAM (g_file_read (file, NULL, &error));
|
|
|
|
if (input)
|
|
{
|
|
GInputStream *buffered = g_buffered_input_stream_new (input);
|
|
|
|
data_list = loader->load_func (context, file, buffered, &error);
|
|
|
|
if (error)
|
|
{
|
|
g_prefix_error (&error,
|
|
_("Error loading '%s': "),
|
|
gimp_file_get_utf8_name (file));
|
|
}
|
|
else if (! data_list)
|
|
{
|
|
g_set_error (&error, GIMP_DATA_ERROR, GIMP_DATA_ERROR_READ,
|
|
_("Error loading '%s'"),
|
|
gimp_file_get_utf8_name (file));
|
|
}
|
|
|
|
g_object_unref (buffered);
|
|
g_object_unref (input);
|
|
}
|
|
else
|
|
{
|
|
g_prefix_error (&error,
|
|
_("Could not open '%s' for reading: "),
|
|
gimp_file_get_utf8_name (file));
|
|
}
|
|
|
|
if (G_LIKELY (data_list))
|
|
{
|
|
GList *list;
|
|
gchar *uri;
|
|
gboolean obsolete;
|
|
gboolean writable = FALSE;
|
|
gboolean deletable = FALSE;
|
|
|
|
uri = g_file_get_uri (file);
|
|
|
|
obsolete = (strstr (uri, GIMP_OBSOLETE_DATA_DIR_NAME) != 0);
|
|
|
|
g_free (uri);
|
|
|
|
/* obsolete files are immutable, don't check their writability */
|
|
if (! obsolete)
|
|
{
|
|
deletable = (g_list_length (data_list) == 1 && dir_writable);
|
|
writable = (deletable && loader->writable);
|
|
}
|
|
|
|
for (list = data_list; list; list = g_list_next (list))
|
|
{
|
|
GimpData *data = list->data;
|
|
|
|
gimp_data_set_file (data, file, writable, deletable);
|
|
gimp_data_set_mtime (data, mtime);
|
|
gimp_data_clean (data);
|
|
|
|
if (obsolete)
|
|
{
|
|
gimp_container_add (factory->priv->container_obsolete,
|
|
GIMP_OBJECT (data));
|
|
}
|
|
else
|
|
{
|
|
gimp_data_set_folder_tags (data, top_directory);
|
|
|
|
gimp_container_add (factory->priv->container,
|
|
GIMP_OBJECT (data));
|
|
}
|
|
|
|
g_object_unref (data);
|
|
}
|
|
|
|
g_list_free (data_list);
|
|
}
|
|
|
|
/* not else { ... } because loader->load_func() can return a list
|
|
* of data objects *and* an error message if loading failed after
|
|
* something was already loaded
|
|
*/
|
|
if (G_UNLIKELY (error))
|
|
{
|
|
gimp_message (factory->priv->gimp, NULL, GIMP_MESSAGE_ERROR,
|
|
_("Failed to load data:\n\n%s"), error->message);
|
|
g_clear_error (&error);
|
|
}
|
|
}
|