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/* Copyright (C) 2017 Ernestas Kulik <ernestask@gnome.org>
*
* This file is part of Nautilus.
*
* Nautilus 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 2 of the License, or
* (at your option) any later version.
*
* Nautilus 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 Nautilus. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef NAUTILUS_ATTRIBUTE_H_INCLUDED
#define NAUTILUS_ATTRIBUTE_H_INCLUDED
#include "nautilus-task.h"
#include <glib-object.h>
#define NAUTILUS_TYPE_ATTRIBUTE (nautilus_attribute_get_type ())
G_DECLARE_FINAL_TYPE (NautilusAttribute, nautilus_attribute, NAUTILUS, ATTRIBUTE, GObject)
/* GCopyFunc has too many parameters for our taste. */
typedef gpointer (*NautilusCopyFunc) (gpointer data);
#define NAUTILUS_COPY_FUNC(x) ((NautilusCopyFunc) x)
typedef enum
{
NAUTILUS_ATTRIBUTE_STATE_INVALID,
NAUTILUS_ATTRIBUTE_STATE_PENDING,
NAUTILUS_ATTRIBUTE_STATE_VALID
} NautilusAttributeState;
/**
* nautilus_attribute_get_state:
* @attribute: an initialized #NautilusAttribute
*
* Returns: the current state of the attribute
*/
NautilusAttributeState nautilus_attribute_get_state (NautilusAttribute *self);
/**
* nautilus_attribute_invalidate:
* @self: a #NautilusAttribute instance
*
* Mark the value of @attribute as no longer valid.
*/
void nautilus_attribute_invalidate (NautilusAttribute *self);
/**
* nautilus_attribute_get_value:
* @self: a #NautilusAttribute instance
*
* Returns: (transfer full): the value of the attribute
*/
gpointer nautilus_attribute_get_value (NautilusAttribute *self)
/**
* nautilus_attribute_set_value:
* @self: a #NautilusAttribute instance
* @value: (nullable) (transfer full): the new value of the attribute
*/
void nautilus_attribute_set_value (NautilusAttribute *self,
gpointer value);
/**
* nautilus_attribute_set_value_from_task:
* @self: a #NautilusAttribute instance
* @task: an idle #NautilusTask
*/
void nautilus_attribute_set_value_from_task (NautilusAttribute *self,
NautilusTask *task
/**
* nautilus_attribute_new:
* @destroy_func: (nullable): the function to call when destroying the value
*
* Returns: (transfer full): a #NautilusAttribute instance
*/
NautilusAttribute *nautilus_attribute_new (GDestroyNotify destroy_func);
#endif
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