forked from AuroraMiddleware/gtk
466 lines
11 KiB
C
466 lines
11 KiB
C
/* GTK - The GIMP Toolkit
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* gtkfilesystem.c: Abstract file system interfaces
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* Copyright (C) 2003, Red Hat, 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 Lesser 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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include "gtkfilesystem.h"
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struct _GtkFileInfo
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{
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GtkFileTime modification_time;
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gint64 size;
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gchar *display_name;
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gchar *mime_type;
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GdkPixbuf *icon;
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guint is_folder : 1;
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guint is_hidden : 1;
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};
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static void gtk_file_system_base_init (gpointer g_class);
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static void gtk_file_folder_base_init (gpointer g_class);
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GQuark
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gtk_file_system_error_quark (void)
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{
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static GQuark quark = 0;
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if (quark == 0)
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quark = g_quark_from_static_string ("gtk-file-system-error-quark");
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return quark;
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}
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/*****************************************
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* GtkFileInfo *
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*****************************************/
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GType
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gtk_file_info_get_type (void)
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{
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static GType our_type = 0;
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if (our_type == 0)
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our_type = g_boxed_type_register_static ("GtkFileInfo",
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(GBoxedCopyFunc) gtk_file_info_copy,
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(GBoxedFreeFunc) gtk_file_info_free);
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return our_type;
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}
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GtkFileInfo *
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gtk_file_info_new (void)
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{
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GtkFileInfo *info;
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info = g_new0 (GtkFileInfo, 1);
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return info;
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}
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GtkFileInfo *
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gtk_file_info_copy (GtkFileInfo *info)
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{
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GtkFileInfo *new_info;
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g_return_val_if_fail (info != NULL, NULL);
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new_info = g_memdup (info, sizeof (GtkFileInfo));
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if (new_info->display_name)
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new_info->display_name = g_strdup (new_info->display_name);
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if (new_info->mime_type)
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new_info->mime_type = g_strdup (new_info->mime_type);
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if (new_info->icon)
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g_object_ref (new_info->icon);
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return new_info;
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}
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void
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gtk_file_info_free (GtkFileInfo *info)
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{
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g_return_if_fail (info != NULL);
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if (info->display_name)
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g_free (info->display_name);
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if (info->mime_type)
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g_free (info->mime_type);
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if (info->icon)
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g_object_unref (info->icon);
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}
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G_CONST_RETURN gchar *
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gtk_file_info_get_display_name (const GtkFileInfo *info)
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{
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g_return_val_if_fail (info != NULL, NULL);
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return info->display_name;
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}
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void
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gtk_file_info_set_display_name (GtkFileInfo *info,
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const gchar *display_name)
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{
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g_return_if_fail (info != NULL);
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if (info->display_name)
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g_free (info->display_name);
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info->display_name = g_strdup (display_name);
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}
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gboolean
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gtk_file_info_get_is_folder (const GtkFileInfo *info)
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{
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g_return_val_if_fail (info != NULL, FALSE);
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return info->is_folder;
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}
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void
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gtk_file_info_set_is_folder (GtkFileInfo *info,
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gboolean is_folder)
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{
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g_return_if_fail (info != NULL);
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info->is_folder = is_folder != FALSE;
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}
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gboolean
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gtk_file_info_get_is_hidden (const GtkFileInfo *info)
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{
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g_return_val_if_fail (info != NULL, FALSE);
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return info->is_hidden;
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}
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void
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gtk_file_info_set_is_hidden (GtkFileInfo *info,
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gboolean is_hidden)
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{
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g_return_if_fail (info != NULL);
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info->is_hidden = is_hidden != FALSE;
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}
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G_CONST_RETURN gchar *
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gtk_file_info_get_mime_type (const GtkFileInfo *info)
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{
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g_return_val_if_fail (info != NULL, NULL);
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return info->mime_type;
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}
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void
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gtk_file_info_set_mime_type (GtkFileInfo *info,
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const gchar *mime_type)
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{
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g_return_if_fail (info != NULL);
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if (info->mime_type)
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g_free (info->mime_type);
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info->mime_type = g_strdup (mime_type);
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}
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GtkFileTime
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gtk_file_info_get_modification_time (const GtkFileInfo *info)
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{
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g_return_val_if_fail (info != NULL, 0);
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return info->modification_time;
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}
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void
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gtk_file_info_set_modification_time (GtkFileInfo *info,
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GtkFileTime modification_time)
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{
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g_return_if_fail (info != NULL);
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info->modification_time = modification_time;
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}
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gint64
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gtk_file_info_get_size (const GtkFileInfo *info)
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{
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g_return_val_if_fail (info != NULL, 0);
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return info->size;
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}
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void
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gtk_file_info_set_size (GtkFileInfo *info,
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gint64 size)
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{
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g_return_if_fail (info != NULL);
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g_return_if_fail (size < 0);
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info->size = size;
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}
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GdkPixbuf *
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gtk_file_info_get_icon (const GtkFileInfo *info)
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{
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g_return_val_if_fail (info != NULL, NULL);
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return info->icon;
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}
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void
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gtk_file_info_set_icon (GtkFileInfo *info,
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GdkPixbuf *icon)
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{
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g_return_if_fail (info != NULL);
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g_return_if_fail (icon == NULL || GDK_IS_PIXBUF (icon));
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if (icon != info->icon)
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{
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if (info->icon)
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g_object_unref (info->icon);
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info->icon = icon;
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if (info->icon)
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g_object_ref (info->icon);
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}
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}
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/*****************************************
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* GtkFileSystem *
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*****************************************/
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GType
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gtk_file_system_get_type (void)
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{
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static GType file_system_type = 0;
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if (!file_system_type)
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{
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static const GTypeInfo file_system_info =
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{
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sizeof (GtkFileSystemIface), /* class_size */
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gtk_file_system_base_init, /* base_init */
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NULL, /* base_finalize */
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};
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file_system_type = g_type_register_static (G_TYPE_INTERFACE,
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"GtkFileSystem",
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&file_system_info, 0);
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}
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return file_system_type;
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}
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static void
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gtk_file_system_base_init (gpointer g_class)
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{
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static gboolean initialized = FALSE;
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if (!initialized)
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{
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GType iface_type = G_TYPE_FROM_INTERFACE (g_class);
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g_signal_new ("roots_changed",
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iface_type,
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G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (GtkFileSystemIface, roots_changed),
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NULL, NULL,
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g_cclosure_marshal_VOID__VOID,
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G_TYPE_NONE, 0);
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initialized = TRUE;
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}
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}
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GSList *
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gtk_file_system_list_roots (GtkFileSystem *file_system)
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{
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g_return_val_if_fail (GTK_IS_FILE_SYSTEM (file_system), NULL);
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return GTK_FILE_SYSTEM_GET_IFACE (file_system)->list_roots (file_system);
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}
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GtkFileInfo *
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gtk_file_system_get_root_info (GtkFileSystem *file_system,
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const gchar *uri,
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GtkFileInfoType types,
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GError **error)
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{
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g_return_val_if_fail (GTK_IS_FILE_SYSTEM (file_system), NULL);
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g_return_val_if_fail (uri != NULL, NULL);
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g_return_val_if_fail (error == NULL || *error == NULL, NULL);
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return GTK_FILE_SYSTEM_GET_IFACE (file_system)->get_root_info (file_system, uri, types, error);
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}
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GtkFileFolder *
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gtk_file_system_get_folder (GtkFileSystem *file_system,
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const gchar *uri,
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GtkFileInfoType types,
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GError **error)
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{
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g_return_val_if_fail (GTK_IS_FILE_SYSTEM (file_system), NULL);
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g_return_val_if_fail (uri != NULL, NULL);
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g_return_val_if_fail (error == NULL || *error == NULL, NULL);
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return GTK_FILE_SYSTEM_GET_IFACE (file_system)->get_folder (file_system, uri, types, error);
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}
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gboolean
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gtk_file_system_create_folder(GtkFileSystem *file_system,
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const gchar *uri,
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GError **error)
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{
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g_return_val_if_fail (GTK_IS_FILE_SYSTEM (file_system), FALSE);
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g_return_val_if_fail (uri != NULL, FALSE);
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g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
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return GTK_FILE_SYSTEM_GET_IFACE (file_system)->create_folder (file_system, uri, error);
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}
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gboolean
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gtk_file_system_get_parent (GtkFileSystem *file_system,
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const gchar *uri,
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gchar **parent,
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GError **error)
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{
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gchar *tmp_parent = NULL;
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gboolean result;
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g_return_val_if_fail (GTK_IS_FILE_SYSTEM (file_system), FALSE);
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g_return_val_if_fail (uri != NULL, FALSE);
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g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
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result = GTK_FILE_SYSTEM_GET_IFACE (file_system)->get_parent (file_system, uri, &tmp_parent, error);
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g_assert (result || tmp_parent == NULL);
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if (parent)
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*parent = tmp_parent;
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return result;
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}
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gchar *
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gtk_file_system_make_uri (GtkFileSystem *file_system,
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const gchar *base_uri,
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const gchar *display_name,
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GError **error)
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{
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g_return_val_if_fail (GTK_IS_FILE_SYSTEM (file_system), NULL);
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g_return_val_if_fail (base_uri != NULL, NULL);
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g_return_val_if_fail (display_name != NULL, NULL);
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g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
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return GTK_FILE_SYSTEM_GET_IFACE (file_system)->make_uri (file_system, base_uri, display_name, error);
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}
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/*****************************************
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* GtkFileFolder *
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*****************************************/
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GType
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gtk_file_folder_get_type (void)
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{
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static GType file_folder_type = 0;
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if (!file_folder_type)
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{
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static const GTypeInfo file_folder_info =
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{
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sizeof (GtkFileFolderIface), /* class_size */
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gtk_file_folder_base_init, /* base_init */
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NULL, /* base_finalize */
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};
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file_folder_type = g_type_register_static (G_TYPE_INTERFACE,
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"GtkFileFolder",
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&file_folder_info, 0);
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}
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return file_folder_type;
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}
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static void
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gtk_file_folder_base_init (gpointer g_class)
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{
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static gboolean initialized = FALSE;
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if (!initialized)
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{
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GType iface_type = G_TYPE_FROM_INTERFACE (g_class);
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g_signal_new ("deleted",
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iface_type,
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G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (GtkFileFolderIface, deleted),
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NULL, NULL,
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g_cclosure_marshal_VOID__VOID,
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G_TYPE_NONE, 0);
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g_signal_new ("file_added",
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iface_type,
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G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (GtkFileFolderIface, file_added),
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NULL, NULL,
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g_cclosure_marshal_VOID__STRING,
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G_TYPE_NONE, 0);
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g_signal_new ("file_changed",
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iface_type,
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G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (GtkFileFolderIface, file_changed),
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NULL, NULL,
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g_cclosure_marshal_VOID__STRING,
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G_TYPE_NONE, 0);
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g_signal_new ("file_removed",
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iface_type,
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G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (GtkFileFolderIface, file_removed),
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NULL, NULL,
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g_cclosure_marshal_VOID__STRING,
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G_TYPE_NONE, 0);
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initialized = TRUE;
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}
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}
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gboolean
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gtk_file_folder_list_children (GtkFileFolder *folder,
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GSList **children,
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GError **error)
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{
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gboolean result;
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GSList *tmp_children = NULL;
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g_return_val_if_fail (GTK_IS_FILE_FOLDER (folder), FALSE);
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g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
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result = GTK_FILE_FOLDER_GET_IFACE (folder)->list_children (folder, &tmp_children, error);
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g_assert (result || tmp_children == NULL);
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if (children)
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*children = tmp_children;
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return result;
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}
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GtkFileInfo *
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gtk_file_folder_get_info (GtkFileFolder *folder,
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const gchar *uri,
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GError **error)
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{
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g_return_val_if_fail (GTK_IS_FILE_FOLDER (folder), NULL);
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g_return_val_if_fail (uri != NULL, NULL);
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g_return_val_if_fail (error == NULL || *error == NULL, NULL);
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return GTK_FILE_FOLDER_GET_IFACE (folder)->get_info (folder, uri, error);
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}
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