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PIKApp/app/core/pikadatafactory.c

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/* PIKA - Photo and Image Kooker Application
* a rebranding of The GNU Image Manipulation Program (created with heckimp)
* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
*
* Original copyright, applying to most contents (license remains unchanged):
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* pikadatafactory.c
* Copyright (C) 2001-2018 Michael Natterer <mitch@gimp.org>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gdk-pixbuf/gdk-pixbuf.h>
#include <gegl.h>
#include <stdlib.h>
#include "libpikabase/pikabase.h"
#include "libpikamath/pikamath.h"
#include "libpikaconfig/pikaconfig.h"
#include "core-types.h"
#include "pika.h"
#include "pika-utils.h"
#include "pikaasyncset.h"
#include "pikacancelable.h"
#include "pikacontext.h"
#include "pikadata.h"
#include "pikadatafactory.h"
#include "pikalist.h"
#include "pikauncancelablewaitable.h"
#include "pikawaitable.h"
#include "pika-intl.h"
enum
{
PROP_0,
PROP_PIKA,
PROP_DATA_TYPE,
PROP_PATH_PROPERTY_NAME,
PROP_WRITABLE_PROPERTY_NAME,
PROP_EXT_PROPERTY_NAME,
PROP_NEW_FUNC,
PROP_GET_STANDARD_FUNC,
PROP_UNIQUE_NAMES
};
struct _PikaDataFactoryPrivate
{
Pika *pika;
GType data_type;
PikaContainer *container;
PikaContainer *container_obsolete;
gboolean unique_names;
gchar *path_property_name;
gchar *writable_property_name;
gchar *ext_property_name;
PikaDataNewFunc data_new_func;
PikaDataGetStandardFunc data_get_standard_func;
PikaAsyncSet *async_set;
};
#define GET_PRIVATE(obj) (((PikaDataFactory *) (obj))->priv)
static void pika_data_factory_constructed (GObject *object);
static void pika_data_factory_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static void pika_data_factory_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
static void pika_data_factory_finalize (GObject *object);
static gint64 pika_data_factory_get_memsize (PikaObject *object,
gint64 *gui_size);
static void pika_data_factory_real_data_save (PikaDataFactory *factory);
static void pika_data_factory_real_data_cancel (PikaDataFactory *factory);
static PikaData * pika_data_factory_real_data_duplicate (PikaDataFactory *factory,
PikaData *data);
static gboolean pika_data_factory_real_data_delete (PikaDataFactory *factory,
PikaData *data,
gboolean delete_from_disk,
GError **error);
static void pika_data_factory_path_notify (GObject *object,
const GParamSpec *pspec,
PikaDataFactory *factory);
static GFile * pika_data_factory_get_save_dir (PikaDataFactory *factory,
GError **error);
G_DEFINE_ABSTRACT_TYPE_WITH_PRIVATE (PikaDataFactory, pika_data_factory,
PIKA_TYPE_OBJECT)
#define parent_class pika_data_factory_parent_class
static void
pika_data_factory_class_init (PikaDataFactoryClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
PikaObjectClass *pika_object_class = PIKA_OBJECT_CLASS (klass);
object_class->constructed = pika_data_factory_constructed;
object_class->set_property = pika_data_factory_set_property;
object_class->get_property = pika_data_factory_get_property;
object_class->finalize = pika_data_factory_finalize;
pika_object_class->get_memsize = pika_data_factory_get_memsize;
klass->data_init = NULL;
klass->data_refresh = NULL;
klass->data_save = pika_data_factory_real_data_save;
klass->data_cancel = pika_data_factory_real_data_cancel;
klass->data_duplicate = pika_data_factory_real_data_duplicate;
klass->data_delete = pika_data_factory_real_data_delete;
g_object_class_install_property (object_class, PROP_PIKA,
g_param_spec_object ("pika", NULL, NULL,
PIKA_TYPE_PIKA,
PIKA_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property (object_class, PROP_DATA_TYPE,
g_param_spec_gtype ("data-type", NULL, NULL,
PIKA_TYPE_DATA,
PIKA_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property (object_class, PROP_PATH_PROPERTY_NAME,
g_param_spec_string ("path-property-name",
NULL, NULL,
NULL,
PIKA_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property (object_class, PROP_WRITABLE_PROPERTY_NAME,
g_param_spec_string ("writable-property-name",
NULL, NULL,
NULL,
PIKA_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property (object_class, PROP_EXT_PROPERTY_NAME,
g_param_spec_string ("ext-property-name",
NULL, NULL,
NULL,
PIKA_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property (object_class, PROP_NEW_FUNC,
g_param_spec_pointer ("new-func",
NULL, NULL,
PIKA_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property (object_class, PROP_GET_STANDARD_FUNC,
g_param_spec_pointer ("get-standard-func",
NULL, NULL,
PIKA_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property (object_class, PROP_UNIQUE_NAMES,
g_param_spec_boolean ("unique-names",
NULL, NULL,
TRUE,
PIKA_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY));
}
static void
pika_data_factory_init (PikaDataFactory *factory)
{
factory->priv = pika_data_factory_get_instance_private (factory);
factory->priv->async_set = pika_async_set_new ();
}
static void
pika_data_factory_constructed (GObject *object)
{
PikaDataFactoryPrivate *priv = GET_PRIVATE (object);
G_OBJECT_CLASS (parent_class)->constructed (object);
pika_assert (PIKA_IS_PIKA (priv->pika));
pika_assert (g_type_is_a (priv->data_type, PIKA_TYPE_DATA));
pika_assert (PIKA_DATA_FACTORY_GET_CLASS (object)->data_init != NULL);
pika_assert (PIKA_DATA_FACTORY_GET_CLASS (object)->data_refresh != NULL);
/* Passing along the "unique names" property to the data container. */
priv->container = pika_list_new (priv->data_type, priv->unique_names);
pika_list_set_sort_func (PIKA_LIST (priv->container),
(GCompareFunc) pika_data_compare);
priv->container_obsolete = pika_list_new (priv->data_type, TRUE);
pika_list_set_sort_func (PIKA_LIST (priv->container_obsolete),
(GCompareFunc) pika_data_compare);
}
static void
pika_data_factory_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
PikaDataFactoryPrivate *priv = GET_PRIVATE (object);
switch (property_id)
{
case PROP_PIKA:
priv->pika = g_value_get_object (value); /* don't ref */
break;
case PROP_DATA_TYPE:
priv->data_type = g_value_get_gtype (value);
break;
case PROP_PATH_PROPERTY_NAME:
priv->path_property_name = g_value_dup_string (value);
break;
case PROP_WRITABLE_PROPERTY_NAME:
priv->writable_property_name = g_value_dup_string (value);
break;
case PROP_EXT_PROPERTY_NAME:
priv->ext_property_name = g_value_dup_string (value);
break;
case PROP_NEW_FUNC:
priv->data_new_func = g_value_get_pointer (value);
break;
case PROP_GET_STANDARD_FUNC:
priv->data_get_standard_func = g_value_get_pointer (value);
break;
case PROP_UNIQUE_NAMES:
priv->unique_names = g_value_get_boolean (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
pika_data_factory_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
PikaDataFactoryPrivate *priv = GET_PRIVATE (object);
switch (property_id)
{
case PROP_PIKA:
g_value_set_object (value, priv->pika);
break;
case PROP_DATA_TYPE:
g_value_set_gtype (value, priv->data_type);
break;
case PROP_PATH_PROPERTY_NAME:
g_value_set_string (value, priv->path_property_name);
break;
case PROP_WRITABLE_PROPERTY_NAME:
g_value_set_string (value, priv->writable_property_name);
break;
case PROP_EXT_PROPERTY_NAME:
g_value_set_string (value, priv->ext_property_name);
break;
case PROP_NEW_FUNC:
g_value_set_pointer (value, priv->data_new_func);
break;
case PROP_GET_STANDARD_FUNC:
g_value_set_pointer (value, priv->data_get_standard_func);
break;
case PROP_UNIQUE_NAMES:
g_value_set_boolean (value, priv->unique_names);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
pika_data_factory_finalize (GObject *object)
{
PikaDataFactory *factory = PIKA_DATA_FACTORY (object);
PikaDataFactoryPrivate *priv = GET_PRIVATE (object);
if (priv->async_set)
{
pika_data_factory_data_cancel (factory);
g_clear_object (&priv->async_set);
}
g_clear_object (&priv->container);
g_clear_object (&priv->container_obsolete);
g_clear_pointer (&priv->path_property_name, g_free);
g_clear_pointer (&priv->writable_property_name, g_free);
g_clear_pointer (&priv->ext_property_name, g_free);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static gint64
pika_data_factory_get_memsize (PikaObject *object,
gint64 *gui_size)
{
PikaDataFactoryPrivate *priv = GET_PRIVATE (object);
gint64 memsize = 0;
memsize += pika_object_get_memsize (PIKA_OBJECT (priv->container),
gui_size);
memsize += pika_object_get_memsize (PIKA_OBJECT (priv->container_obsolete),
gui_size);
return memsize + PIKA_OBJECT_CLASS (parent_class)->get_memsize (object,
gui_size);
}
static void
pika_data_factory_real_data_save (PikaDataFactory *factory)
{
PikaDataFactoryPrivate *priv = GET_PRIVATE (factory);
GList *dirty = NULL;
GList *list;
GFile *writable_dir;
GError *error = NULL;
for (list = PIKA_LIST (priv->container)->queue->head;
list;
list = g_list_next (list))
{
PikaData *data = list->data;
if (pika_data_is_dirty (data) &&
pika_data_is_writable (data))
{
dirty = g_list_prepend (dirty, data);
}
}
if (! dirty)
return;
writable_dir = pika_data_factory_get_save_dir (factory, &error);
if (! writable_dir)
{
pika_message (priv->pika, NULL, PIKA_MESSAGE_ERROR,
_("Failed to save data:\n\n%s"),
error->message);
g_clear_error (&error);
g_list_free (dirty);
return;
}
for (list = dirty; list; list = g_list_next (list))
{
PikaData *data = list->data;
GError *error = NULL;
if (pika_data_get_image (data))
continue;
if (! pika_data_get_file (data))
pika_data_create_filename (data, writable_dir);
if (factory->priv->pika->be_verbose)
{
GFile *file = pika_data_get_file (data);
if (file)
g_print ("Writing dirty data '%s'\n",
pika_file_get_utf8_name (file));
}
if (! pika_data_save (data, &error))
{
/* check if there actually was an error (no error
* means the data class does not implement save)
*/
if (error)
{
pika_message (priv->pika, NULL, PIKA_MESSAGE_ERROR,
_("Failed to save data:\n\n%s"),
error->message);
g_clear_error (&error);
}
}
}
g_object_unref (writable_dir);
g_list_free (dirty);
}
static void
pika_data_factory_real_data_cancel (PikaDataFactory *factory)
{
PikaDataFactoryPrivate *priv = GET_PRIVATE (factory);
pika_cancelable_cancel (PIKA_CANCELABLE (priv->async_set));
pika_waitable_wait (PIKA_WAITABLE (priv->async_set));
}
static PikaData *
pika_data_factory_real_data_duplicate (PikaDataFactory *factory,
PikaData *data)
{
PikaDataFactoryPrivate *priv = GET_PRIVATE (factory);
PikaData *new_data;
new_data = pika_data_duplicate (data);
if (new_data)
{
const gchar *name = pika_object_get_name (data);
gchar *ext;
gint copy_len;
gint number;
gchar *new_name;
GError *error = NULL;
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);
}
pika_object_take_name (PIKA_OBJECT (new_data), new_name);
if (! pika_data_factory_data_save_single (factory, new_data, &error))
g_critical ("%s: data saving failed: %s", G_STRFUNC, error->message);
pika_container_add (priv->container, PIKA_OBJECT (new_data));
g_object_unref (new_data);
g_clear_error (&error);
}
return new_data;
}
static gboolean
pika_data_factory_real_data_delete (PikaDataFactory *factory,
PikaData *data,
gboolean delete_from_disk,
GError **error)
{
if (delete_from_disk && pika_data_get_file (data))
return pika_data_delete_from_disk (data, error);
return TRUE;
}
/* public functions */
void
pika_data_factory_data_init (PikaDataFactory *factory,
PikaContext *context,
gboolean no_data)
{
PikaDataFactoryPrivate *priv = GET_PRIVATE (factory);
gchar *signal_name;
g_return_if_fail (PIKA_IS_DATA_FACTORY (factory));
g_return_if_fail (PIKA_IS_CONTEXT (context));
/* Always freeze() and thaw() the container around initialization,
* even if no_data, the thaw() will implicitly make PikaContext
* create the standard data that serves as fallback.
*/
pika_container_freeze (priv->container);
if (! no_data)
{
if (priv->pika->be_verbose)
{
const gchar *name = pika_object_get_name (factory);
g_print ("Loading '%s' data\n", name ? name : "???");
}
PIKA_DATA_FACTORY_GET_CLASS (factory)->data_init (factory, context);
}
pika_container_thaw (priv->container);
signal_name = g_strdup_printf ("notify::%s", priv->path_property_name);
g_signal_connect_object (priv->pika->config, signal_name,
G_CALLBACK (pika_data_factory_path_notify),
factory, 0);
g_free (signal_name);
signal_name = g_strdup_printf ("notify::%s", priv->ext_property_name);
g_signal_connect_object (priv->pika->extension_manager, signal_name,
G_CALLBACK (pika_data_factory_path_notify),
factory, 0);
g_free (signal_name);
}
static void
pika_data_factory_clean_cb (PikaDataFactory *factory,
PikaData *data,
gpointer user_data)
{
if (pika_data_is_dirty (data))
pika_data_clean (data);
}
void
pika_data_factory_data_clean (PikaDataFactory *factory)
{
g_return_if_fail (PIKA_IS_DATA_FACTORY (factory));
pika_data_factory_data_foreach (factory, TRUE,
pika_data_factory_clean_cb, NULL);
}
void
pika_data_factory_data_refresh (PikaDataFactory *factory,
PikaContext *context)
{
g_return_if_fail (PIKA_IS_DATA_FACTORY (factory));
g_return_if_fail (PIKA_IS_CONTEXT (context));
PIKA_DATA_FACTORY_GET_CLASS (factory)->data_refresh (factory, context);
}
void
pika_data_factory_data_save (PikaDataFactory *factory)
{
g_return_if_fail (PIKA_IS_DATA_FACTORY (factory));
if (! pika_container_is_empty (factory->priv->container))
PIKA_DATA_FACTORY_GET_CLASS (factory)->data_save (factory);
}
static void
pika_data_factory_data_free_foreach (PikaDataFactory *factory,
PikaData *data,
gpointer user_data)
{
pika_container_remove (factory->priv->container, PIKA_OBJECT (data));
}
void
pika_data_factory_data_free (PikaDataFactory *factory)
{
g_return_if_fail (PIKA_IS_DATA_FACTORY (factory));
pika_data_factory_data_cancel (factory);
if (! pika_container_is_empty (factory->priv->container))
{
pika_container_freeze (factory->priv->container);
pika_data_factory_data_foreach (factory, TRUE,
pika_data_factory_data_free_foreach,
NULL);
pika_container_thaw (factory->priv->container);
}
}
PikaAsyncSet *
pika_data_factory_get_async_set (PikaDataFactory *factory)
{
g_return_val_if_fail (PIKA_IS_DATA_FACTORY (factory), NULL);
return factory->priv->async_set;
}
gboolean
pika_data_factory_data_wait (PikaDataFactory *factory)
{
PikaDataFactoryPrivate *priv;
PikaWaitable *waitable;
g_return_val_if_fail (PIKA_IS_DATA_FACTORY (factory), FALSE);
priv = GET_PRIVATE (factory);
/* don't allow cancellation for now */
waitable = pika_uncancelable_waitable_new (PIKA_WAITABLE (priv->async_set));
pika_wait (priv->pika, waitable,
_("Loading fonts (this may take a while...)"));
g_object_unref (waitable);
return TRUE;
}
void
pika_data_factory_data_cancel (PikaDataFactory *factory)
{
g_return_if_fail (PIKA_IS_DATA_FACTORY (factory));
PIKA_DATA_FACTORY_GET_CLASS (factory)->data_cancel (factory);
}
gboolean
pika_data_factory_has_data_new_func (PikaDataFactory *factory)
{
g_return_val_if_fail (PIKA_IS_DATA_FACTORY (factory), FALSE);
return factory->priv->data_new_func != NULL;
}
PikaData *
pika_data_factory_data_new (PikaDataFactory *factory,
PikaContext *context,
const gchar *name)
{
PikaDataFactoryPrivate *priv;
g_return_val_if_fail (PIKA_IS_DATA_FACTORY (factory), NULL);
g_return_val_if_fail (PIKA_IS_CONTEXT (context), NULL);
g_return_val_if_fail (name != NULL, NULL);
g_return_val_if_fail (*name != '\0', NULL);
priv = GET_PRIVATE (factory);
if (priv->data_new_func)
{
PikaData *data = priv->data_new_func (context, name);
if (data)
{
GError *error = NULL;
if (! pika_data_factory_data_save_single (factory, data, &error))
g_critical ("%s: data saving failed: %s", G_STRFUNC, error->message);
pika_container_add (priv->container, PIKA_OBJECT (data));
g_object_unref (data);
g_clear_error (&error);
return data;
}
g_warning ("%s: PikaDataFactory::data_new_func() returned NULL",
G_STRFUNC);
}
return NULL;
}
PikaData *
pika_data_factory_data_get_standard (PikaDataFactory *factory,
PikaContext *context)
{
g_return_val_if_fail (PIKA_IS_DATA_FACTORY (factory), NULL);
g_return_val_if_fail (PIKA_IS_CONTEXT (context), NULL);
if (factory->priv->data_get_standard_func)
return factory->priv->data_get_standard_func (context);
return NULL;
}
PikaData *
pika_data_factory_data_duplicate (PikaDataFactory *factory,
PikaData *data)
{
g_return_val_if_fail (PIKA_IS_DATA_FACTORY (factory), NULL);
g_return_val_if_fail (PIKA_IS_DATA (data), NULL);
return PIKA_DATA_FACTORY_GET_CLASS (factory)->data_duplicate (factory, data);
}
gboolean
pika_data_factory_data_delete (PikaDataFactory *factory,
PikaData *data,
gboolean delete_from_disk,
GError **error)
{
PikaDataFactoryPrivate *priv;
gboolean retval = TRUE;
g_return_val_if_fail (PIKA_IS_DATA_FACTORY (factory), FALSE);
g_return_val_if_fail (PIKA_IS_DATA (data), FALSE);
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
priv = GET_PRIVATE (factory);
if (pika_container_have (priv->container, PIKA_OBJECT (data)))
{
g_object_ref (data);
pika_container_remove (priv->container, PIKA_OBJECT (data));
retval = PIKA_DATA_FACTORY_GET_CLASS (factory)->data_delete (factory, data,
delete_from_disk,
error);
g_object_unref (data);
}
return retval;
}
gboolean
pika_data_factory_data_save_single (PikaDataFactory *factory,
PikaData *data,
GError **error)
{
g_return_val_if_fail (PIKA_IS_DATA_FACTORY (factory), FALSE);
g_return_val_if_fail (PIKA_IS_DATA (data), FALSE);
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
if (! pika_data_is_dirty (data) || pika_data_get_image (data))
return TRUE;
if (! pika_data_get_file (data))
{
GFile *writable_dir;
GError *my_error = NULL;
writable_dir = pika_data_factory_get_save_dir (factory, &my_error);
if (! writable_dir)
{
g_set_error (error, PIKA_DATA_ERROR, 0,
_("Failed to save data:\n\n%s"),
my_error->message);
g_clear_error (&my_error);
return FALSE;
}
pika_data_create_filename (data, writable_dir);
g_object_unref (writable_dir);
}
if (! pika_data_is_writable (data))
return FALSE;
if (factory->priv->pika->be_verbose)
{
GFile *file = pika_data_get_file (data);
if (file)
g_print ("Writing dirty data '%s'\n",
pika_file_get_utf8_name (file));
}
if (! pika_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, PIKA_DATA_ERROR, 0,
_("Failed to save data:\n\n%s"),
"Data class does not implement saving");
return FALSE;
}
return TRUE;
}
void
pika_data_factory_data_foreach (PikaDataFactory *factory,
gboolean skip_internal,
PikaDataForeachFunc callback,
gpointer user_data)
{
GList *list;
g_return_if_fail (PIKA_IS_DATA_FACTORY (factory));
g_return_if_fail (callback != NULL);
list = PIKA_LIST (factory->priv->container)->queue->head;
while (list)
{
GList *next = g_list_next (list);
if (! (skip_internal && pika_data_is_internal (list->data)))
callback (factory, list->data, user_data);
list = next;
}
}
Pika *
pika_data_factory_get_pika (PikaDataFactory *factory)
{
g_return_val_if_fail (PIKA_IS_DATA_FACTORY (factory), NULL);
return factory->priv->pika;
}
GType
pika_data_factory_get_data_type (PikaDataFactory *factory)
{
g_return_val_if_fail (PIKA_IS_DATA_FACTORY (factory), G_TYPE_NONE);
return pika_container_get_children_type (factory->priv->container);
}
PikaContainer *
pika_data_factory_get_container (PikaDataFactory *factory)
{
g_return_val_if_fail (PIKA_IS_DATA_FACTORY (factory), NULL);
return factory->priv->container;
}
PikaContainer *
pika_data_factory_get_container_obsolete (PikaDataFactory *factory)
{
g_return_val_if_fail (PIKA_IS_DATA_FACTORY (factory), NULL);
return factory->priv->container_obsolete;
}
GList *
pika_data_factory_get_data_path (PikaDataFactory *factory)
{
PikaDataFactoryPrivate *priv = GET_PRIVATE (factory);
gchar *path = NULL;
GList *list = NULL;
g_return_val_if_fail (PIKA_IS_DATA_FACTORY (factory), NULL);
g_object_get (priv->pika->config,
priv->path_property_name, &path,
NULL);
if (path)
{
list = pika_config_path_expand_to_files (path, NULL);
g_free (path);
}
return list;
}
GList *
pika_data_factory_get_data_path_writable (PikaDataFactory *factory)
{
PikaDataFactoryPrivate *priv = GET_PRIVATE (factory);
gchar *path = NULL;
GList *list = NULL;
g_return_val_if_fail (PIKA_IS_DATA_FACTORY (factory), NULL);
g_object_get (priv->pika->config,
priv->writable_property_name, &path,
NULL);
if (path)
{
list = pika_config_path_expand_to_files (path, NULL);
g_free (path);
}
return list;
}
const GList *
pika_data_factory_get_data_path_ext (PikaDataFactory *factory)
{
PikaDataFactoryPrivate *priv = GET_PRIVATE (factory);
GList *list = NULL;
g_return_val_if_fail (PIKA_IS_DATA_FACTORY (factory), NULL);
g_object_get (priv->pika->extension_manager,
priv->ext_property_name, &list,
NULL);
return list;
}
/* private functions */
static void
pika_data_factory_path_notify (GObject *object,
const GParamSpec *pspec,
PikaDataFactory *factory)
{
PikaDataFactoryPrivate *priv = GET_PRIVATE (factory);
pika_set_busy (priv->pika);
pika_data_factory_data_refresh (factory, pika_get_user_context (priv->pika));
pika_unset_busy (priv->pika);
}
static GFile *
pika_data_factory_get_save_dir (PikaDataFactory *factory,
GError **error)
{
GList *path;
GList *writable_path;
GFile *writable_dir = NULL;
path = pika_data_factory_get_data_path (factory);
writable_path = pika_data_factory_get_data_path_writable (factory);
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) pika_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, PIKA_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."),
pika_file_get_utf8_name (dir));
}
}
else
{
writable_dir = g_object_ref (dir);
break;
}
}
}
if (! writable_dir && ! found_any)
{
g_set_error (error, PIKA_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 pikarc file manually, "
"please fix it in the Preferences dialog's 'Folders' "
"section."));
}
}
else
{
g_set_error (error, PIKA_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;
}
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