mirror of
https://gitlab.gnome.org/GNOME/nautilus
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448 lines
11 KiB
C
448 lines
11 KiB
C
/*
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* nautilus-file-info.c - Information about a file
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*
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* Copyright (C) 2003 Novell, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "nautilus-file-info.h"
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#include "nautilus-extension-private.h"
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G_DEFINE_INTERFACE (NautilusFileInfo, nautilus_file_info, G_TYPE_OBJECT)
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NautilusFileInfo * (*nautilus_file_info_getter)(GFile * location, gboolean create);
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/**
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* SECTION:nautilus-file-info
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* @title: NautilusFileInfo
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* @short_description: File interface for nautilus extensions
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*
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* #NautilusFileInfo provides methods to get and modify information
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* about file objects in the file manager.
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*/
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/**
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* nautilus_file_info_list_copy:
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* @files: (element-type NautilusFileInfo): the files to copy
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*
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* Returns: (element-type NautilusFileInfo) (transfer full): a copy of @files.
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* Use #nautilus_file_info_list_free to free the list and unref its contents.
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*/
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GList *
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nautilus_file_info_list_copy (GList *files)
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{
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GList *ret;
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GList *l;
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ret = g_list_copy (files);
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for (l = ret; l != NULL; l = l->next)
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{
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g_object_ref (G_OBJECT (l->data));
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}
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return ret;
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}
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/**
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* nautilus_file_info_list_free:
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* @files: (element-type NautilusFileInfo): a list created with
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* #nautilus_file_info_list_copy
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*
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*/
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void
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nautilus_file_info_list_free (GList *files)
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{
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GList *l;
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for (l = files; l != NULL; l = l->next)
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{
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g_object_unref (G_OBJECT (l->data));
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}
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g_list_free (files);
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}
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static void
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nautilus_file_info_default_init (NautilusFileInfoInterface *klass)
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{
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}
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gboolean
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nautilus_file_info_is_gone (NautilusFileInfo *self)
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{
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NautilusFileInfoInterface *iface;
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g_return_val_if_fail (NAUTILUS_IS_FILE_INFO (self), FALSE);
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iface = NAUTILUS_FILE_INFO_GET_IFACE (self);
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g_return_val_if_fail (iface->is_gone != NULL, FALSE);
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return iface->is_gone (self);
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}
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GFileType
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nautilus_file_info_get_file_type (NautilusFileInfo *self)
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{
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NautilusFileInfoInterface *iface;
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g_return_val_if_fail (NAUTILUS_IS_FILE_INFO (self), G_FILE_TYPE_UNKNOWN);
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iface = NAUTILUS_FILE_INFO_GET_IFACE (self);
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g_return_val_if_fail (iface->get_file_type != NULL, G_FILE_TYPE_UNKNOWN);
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return iface->get_file_type (self);
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}
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char *
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nautilus_file_info_get_name (NautilusFileInfo *self)
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{
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NautilusFileInfoInterface *iface;
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g_return_val_if_fail (NAUTILUS_IS_FILE_INFO (self), NULL);
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iface = NAUTILUS_FILE_INFO_GET_IFACE (self);
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g_return_val_if_fail (iface->get_name != NULL, NULL);
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return iface->get_name (self);
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}
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/**
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* nautilus_file_info_get_location:
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* @file_info: a #NautilusFileInfo
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*
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* Returns: (transfer full): a #GFile for the location of @file_info
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*/
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GFile *
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nautilus_file_info_get_location (NautilusFileInfo *self)
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{
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NautilusFileInfoInterface *iface;
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g_return_val_if_fail (NAUTILUS_IS_FILE_INFO (self), NULL);
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iface = NAUTILUS_FILE_INFO_GET_IFACE (self);
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g_return_val_if_fail (iface->get_location != NULL, NULL);
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return iface->get_location (self);
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}
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char *
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nautilus_file_info_get_uri (NautilusFileInfo *self)
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{
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NautilusFileInfoInterface *iface;
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g_return_val_if_fail (NAUTILUS_IS_FILE_INFO (self), NULL);
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iface = NAUTILUS_FILE_INFO_GET_IFACE (self);
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g_return_val_if_fail (iface->get_uri != NULL, NULL);
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return iface->get_uri (self);
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}
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char *
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nautilus_file_info_get_activation_uri (NautilusFileInfo *self)
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{
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NautilusFileInfoInterface *iface;
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g_return_val_if_fail (NAUTILUS_IS_FILE_INFO (self), NULL);
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iface = NAUTILUS_FILE_INFO_GET_IFACE (self);
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g_return_val_if_fail (iface->get_activation_uri != NULL, NULL);
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return iface->get_activation_uri (self);
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}
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/**
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* nautilus_file_info_get_parent_location:
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* @file_info: a #NautilusFileInfo
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*
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* Returns: (allow-none) (transfer full): a #GFile for the parent location of @file_info,
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* or %NULL if @file_info has no parent
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*/
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GFile *
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nautilus_file_info_get_parent_location (NautilusFileInfo *self)
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{
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NautilusFileInfoInterface *iface;
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g_return_val_if_fail (NAUTILUS_IS_FILE_INFO (self), NULL);
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iface = NAUTILUS_FILE_INFO_GET_IFACE (self);
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g_return_val_if_fail (iface->get_parent_location != NULL, NULL);
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return iface->get_parent_location (self);
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}
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char *
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nautilus_file_info_get_parent_uri (NautilusFileInfo *self)
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{
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NautilusFileInfoInterface *iface;
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g_return_val_if_fail (NAUTILUS_IS_FILE_INFO (self), NULL);
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iface = NAUTILUS_FILE_INFO_GET_IFACE (self);
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g_return_val_if_fail (iface->get_parent_uri != NULL, NULL);
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return iface->get_parent_uri (self);
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}
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/**
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* nautilus_file_info_get_parent_info:
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* @file_info: a #NautilusFileInfo
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*
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* Returns: (allow-none) (transfer full): a #NautilusFileInfo for the parent of @file_info,
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* or %NULL if @file_info has no parent
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*/
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NautilusFileInfo *
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nautilus_file_info_get_parent_info (NautilusFileInfo *self)
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{
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NautilusFileInfoInterface *iface;
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g_return_val_if_fail (NAUTILUS_IS_FILE_INFO (self), NULL);
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iface = NAUTILUS_FILE_INFO_GET_IFACE (self);
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g_return_val_if_fail (iface->get_parent_info != NULL, NULL);
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return iface->get_parent_info (self);
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}
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/**
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* nautilus_file_info_get_mount:
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* @file_info: a #NautilusFileInfo
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*
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* Returns: (allow-none) (transfer full): a #GMount for the mount of @file_info,
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* or %NULL if @file_info has no mount
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*/
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GMount *
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nautilus_file_info_get_mount (NautilusFileInfo *self)
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{
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NautilusFileInfoInterface *iface;
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g_return_val_if_fail (NAUTILUS_IS_FILE_INFO (self), NULL);
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iface = NAUTILUS_FILE_INFO_GET_IFACE (self);
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g_return_val_if_fail (iface->get_mount != NULL, NULL);
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return iface->get_mount (self);
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}
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char *
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nautilus_file_info_get_uri_scheme (NautilusFileInfo *self)
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{
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NautilusFileInfoInterface *iface;
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g_return_val_if_fail (NAUTILUS_IS_FILE_INFO (self), NULL);
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iface = NAUTILUS_FILE_INFO_GET_IFACE (self);
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g_return_val_if_fail (iface->get_uri_scheme != NULL, NULL);
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return iface->get_uri_scheme (self);
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}
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char *
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nautilus_file_info_get_mime_type (NautilusFileInfo *self)
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{
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NautilusFileInfoInterface *iface;
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g_return_val_if_fail (NAUTILUS_IS_FILE_INFO (self), NULL);
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iface = NAUTILUS_FILE_INFO_GET_IFACE (self);
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g_return_val_if_fail (iface->get_mime_type != NULL, NULL);
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return iface->get_mime_type (self);
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}
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gboolean
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nautilus_file_info_is_mime_type (NautilusFileInfo *self,
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const char *mime_type)
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{
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NautilusFileInfoInterface *iface;
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g_return_val_if_fail (NAUTILUS_IS_FILE_INFO (self), FALSE);
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g_return_val_if_fail (mime_type != NULL, FALSE);
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iface = NAUTILUS_FILE_INFO_GET_IFACE (self);
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g_return_val_if_fail (iface->is_mime_type != NULL, FALSE);
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return iface->is_mime_type (self, mime_type);
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}
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gboolean
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nautilus_file_info_is_directory (NautilusFileInfo *self)
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{
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NautilusFileInfoInterface *iface;
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g_return_val_if_fail (NAUTILUS_IS_FILE_INFO (self), FALSE);
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iface = NAUTILUS_FILE_INFO_GET_IFACE (self);
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g_return_val_if_fail (iface->is_directory != NULL, FALSE);
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return iface->is_directory (self);
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}
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gboolean
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nautilus_file_info_can_write (NautilusFileInfo *self)
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{
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NautilusFileInfoInterface *iface;
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g_return_val_if_fail (NAUTILUS_IS_FILE_INFO (self), FALSE);
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iface = NAUTILUS_FILE_INFO_GET_IFACE (self);
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g_return_val_if_fail (iface->can_write != NULL, FALSE);
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return iface->can_write (self);
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}
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void
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nautilus_file_info_add_emblem (NautilusFileInfo *self,
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const char *emblem_name)
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{
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NautilusFileInfoInterface *iface;
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g_return_if_fail (NAUTILUS_IS_FILE_INFO (self));
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iface = NAUTILUS_FILE_INFO_GET_IFACE (self);
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g_return_if_fail (iface->add_emblem != NULL);
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iface->add_emblem (self, emblem_name);
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}
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char *
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nautilus_file_info_get_string_attribute (NautilusFileInfo *self,
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const char *attribute_name)
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{
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NautilusFileInfoInterface *iface;
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g_return_val_if_fail (NAUTILUS_IS_FILE_INFO (self), NULL);
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g_return_val_if_fail (attribute_name != NULL, NULL);
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iface = NAUTILUS_FILE_INFO_GET_IFACE (self);
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g_return_val_if_fail (iface->get_string_attribute != NULL, NULL);
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return iface->get_string_attribute (self, attribute_name);
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}
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void
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nautilus_file_info_add_string_attribute (NautilusFileInfo *self,
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const char *attribute_name,
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const char *value)
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{
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NautilusFileInfoInterface *iface;
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g_return_if_fail (NAUTILUS_IS_FILE_INFO (self));
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g_return_if_fail (attribute_name != NULL);
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g_return_if_fail (value != NULL);
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iface = NAUTILUS_FILE_INFO_GET_IFACE (self);
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g_return_if_fail (iface->add_string_attribute != NULL);
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iface->add_string_attribute (self, attribute_name, value);
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}
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void
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nautilus_file_info_invalidate_extension_info (NautilusFileInfo *self)
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{
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NautilusFileInfoInterface *iface;
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g_return_if_fail (NAUTILUS_IS_FILE_INFO (self));
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iface = NAUTILUS_FILE_INFO_GET_IFACE (self);
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g_return_if_fail (iface->invalidate_extension_info != NULL);
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iface->invalidate_extension_info (self);
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}
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/**
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* nautilus_file_info_lookup:
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* @location: the location to lookup the file info for
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*
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* Returns: (transfer full): a #NautilusFileInfo
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*/
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NautilusFileInfo *
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nautilus_file_info_lookup (GFile *location)
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{
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g_return_val_if_fail (G_IS_FILE (location), NULL);
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return nautilus_file_info_getter (location, FALSE);
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}
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/**
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* nautilus_file_info_create:
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* @location: the location to create the file info for
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*
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* Returns: (transfer full): a #NautilusFileInfo
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*/
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NautilusFileInfo *
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nautilus_file_info_create (GFile *location)
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{
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g_return_val_if_fail (G_IS_FILE (location), NULL);
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return nautilus_file_info_getter (location, TRUE);
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}
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/**
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* nautilus_file_info_lookup_for_uri:
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* @uri: the URI to lookup the file info for
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*
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* Returns: (transfer full): a #NautilusFileInfo
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*/
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NautilusFileInfo *
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nautilus_file_info_lookup_for_uri (const char *uri)
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{
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g_autoptr (GFile) location = NULL;
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g_return_val_if_fail (uri != NULL, NULL);
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location = g_file_new_for_uri (uri);
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return nautilus_file_info_lookup (location);
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}
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/**
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* nautilus_file_info_create_for_uri:
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* @uri: the URI to lookup the file info for
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*
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* Returns: (transfer full): a #NautilusFileInfo
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*/
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NautilusFileInfo *
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nautilus_file_info_create_for_uri (const char *uri)
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{
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g_autoptr (GFile) location = NULL;
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g_return_val_if_fail (uri != NULL, NULL);
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location = g_file_new_for_uri (uri);
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return nautilus_file_info_create (location);
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}
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