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![Alexander Larsson](/assets/img/avatar_default.png)
2008-02-08 Alexander Larsson <alexl@redhat.com> * libnautilus-private/nautilus-desktop-link.c: Maks sure we disconnect from the changed signal on the mount. svn path=/trunk/; revision=13713
447 lines
12 KiB
C
447 lines
12 KiB
C
/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*-
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nautilus-desktop-link.c: Class that handles the links on the desktop
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Copyright (C) 2003 Red Hat, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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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 GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public
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License along with this program; 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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Author: Alexander Larsson <alexl@redhat.com>
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*/
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#include <config.h>
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#include "nautilus-desktop-link.h"
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#include "nautilus-desktop-link-monitor.h"
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#include "nautilus-desktop-icon-file.h"
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#include "nautilus-directory-private.h"
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#include "nautilus-desktop-directory.h"
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#include "nautilus-icon-names.h"
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#include <glib/gi18n.h>
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#include <gio/gio.h>
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#include <libnautilus-private/nautilus-file-utilities.h>
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#include <libnautilus-private/nautilus-trash-monitor.h>
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#include <libnautilus-private/nautilus-global-preferences.h>
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#include <string.h>
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struct NautilusDesktopLinkDetails {
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NautilusDesktopLinkType type;
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char *filename;
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char *display_name;
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GFile *activation_location;
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GIcon *icon;
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NautilusDesktopIconFile *icon_file;
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GObject *signal_handler_obj;
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gulong signal_handler;
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/* Just for mount icons: */
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GMount *mount;
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};
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G_DEFINE_TYPE(NautilusDesktopLink, nautilus_desktop_link, G_TYPE_OBJECT)
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static void
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create_icon_file (NautilusDesktopLink *link)
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{
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link->details->icon_file = nautilus_desktop_icon_file_new (link);
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}
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static void
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nautilus_desktop_link_changed (NautilusDesktopLink *link)
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{
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if (link->details->icon_file != NULL) {
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nautilus_desktop_icon_file_update (link->details->icon_file);
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}
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}
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static void
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mount_changed_callback (GMount *mount, NautilusDesktopLink *link)
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{
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g_free (link->details->display_name);
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if (link->details->activation_location) {
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g_object_unref (link->details->activation_location);
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}
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if (link->details->icon) {
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g_object_unref (link->details->icon);
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}
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link->details->display_name = g_mount_get_name (mount);
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link->details->activation_location = g_mount_get_root (mount);
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link->details->icon = g_mount_get_icon (mount);
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nautilus_desktop_link_changed (link);
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}
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static void
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trash_state_changed_callback (NautilusTrashMonitor *trash_monitor,
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gboolean state,
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gpointer callback_data)
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{
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NautilusDesktopLink *link;
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link = NAUTILUS_DESKTOP_LINK (callback_data);
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g_assert (link->details->type == NAUTILUS_DESKTOP_LINK_TRASH);
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if (link->details->icon) {
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g_object_unref (link->details->icon);
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}
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link->details->icon = nautilus_trash_monitor_get_icon ();
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nautilus_desktop_link_changed (link);
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}
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static void
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home_name_changed (gpointer callback_data)
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{
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NautilusDesktopLink *link;
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link = NAUTILUS_DESKTOP_LINK (callback_data);
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g_assert (link->details->type == NAUTILUS_DESKTOP_LINK_HOME);
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g_free (link->details->display_name);
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link->details->display_name = eel_preferences_get (NAUTILUS_PREFERENCES_DESKTOP_HOME_NAME);
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nautilus_desktop_link_changed (link);
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}
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static void
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computer_name_changed (gpointer callback_data)
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{
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NautilusDesktopLink *link;
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link = NAUTILUS_DESKTOP_LINK (callback_data);
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g_assert (link->details->type == NAUTILUS_DESKTOP_LINK_COMPUTER);
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g_free (link->details->display_name);
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link->details->display_name = eel_preferences_get (NAUTILUS_PREFERENCES_DESKTOP_COMPUTER_NAME);
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nautilus_desktop_link_changed (link);
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}
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static void
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trash_name_changed (gpointer callback_data)
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{
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NautilusDesktopLink *link;
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link = NAUTILUS_DESKTOP_LINK (callback_data);
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g_assert (link->details->type == NAUTILUS_DESKTOP_LINK_TRASH);
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g_free (link->details->display_name);
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link->details->display_name = eel_preferences_get (NAUTILUS_PREFERENCES_DESKTOP_TRASH_NAME);
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nautilus_desktop_link_changed (link);
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}
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static void
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network_name_changed (gpointer callback_data)
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{
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NautilusDesktopLink *link;
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link = NAUTILUS_DESKTOP_LINK (callback_data);
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g_assert (link->details->type == NAUTILUS_DESKTOP_LINK_NETWORK);
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g_free (link->details->display_name);
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link->details->display_name = eel_preferences_get (NAUTILUS_PREFERENCES_DESKTOP_NETWORK_NAME);
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nautilus_desktop_link_changed (link);
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}
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NautilusDesktopLink *
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nautilus_desktop_link_new (NautilusDesktopLinkType type)
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{
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NautilusDesktopLink *link;
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link = NAUTILUS_DESKTOP_LINK (g_object_new (NAUTILUS_TYPE_DESKTOP_LINK, NULL));
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link->details->type = type;
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switch (type) {
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case NAUTILUS_DESKTOP_LINK_HOME:
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link->details->filename = g_strdup ("home");
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link->details->display_name = eel_preferences_get (NAUTILUS_PREFERENCES_DESKTOP_HOME_NAME);
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link->details->activation_location = g_file_new_for_path (g_get_home_dir ());
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link->details->icon = g_themed_icon_new (NAUTILUS_ICON_HOME);
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eel_preferences_add_callback (NAUTILUS_PREFERENCES_DESKTOP_HOME_NAME,
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home_name_changed,
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link);
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break;
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case NAUTILUS_DESKTOP_LINK_COMPUTER:
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link->details->filename = g_strdup ("computer");
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link->details->display_name = eel_preferences_get (NAUTILUS_PREFERENCES_DESKTOP_COMPUTER_NAME);
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link->details->activation_location = g_file_new_for_uri ("computer:///");
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/* TODO: This might need a different icon: */
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link->details->icon = g_themed_icon_new (NAUTILUS_ICON_COMPUTER);
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eel_preferences_add_callback (NAUTILUS_PREFERENCES_DESKTOP_COMPUTER_NAME,
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computer_name_changed,
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link);
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break;
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case NAUTILUS_DESKTOP_LINK_TRASH:
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link->details->filename = g_strdup ("trash");
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link->details->display_name = eel_preferences_get (NAUTILUS_PREFERENCES_DESKTOP_TRASH_NAME);
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link->details->activation_location = g_file_new_for_uri (EEL_TRASH_URI);
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link->details->icon = nautilus_trash_monitor_get_icon ();
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eel_preferences_add_callback (NAUTILUS_PREFERENCES_DESKTOP_TRASH_NAME,
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trash_name_changed,
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link);
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link->details->signal_handler_obj = G_OBJECT (nautilus_trash_monitor_get ());
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link->details->signal_handler =
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g_signal_connect_object (nautilus_trash_monitor_get (), "trash_state_changed",
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G_CALLBACK (trash_state_changed_callback), link, 0);
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break;
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case NAUTILUS_DESKTOP_LINK_NETWORK:
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link->details->filename = g_strdup ("network");
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link->details->display_name = eel_preferences_get (NAUTILUS_PREFERENCES_DESKTOP_NETWORK_NAME);
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link->details->activation_location = g_file_new_for_uri ("network:///");
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link->details->icon = g_themed_icon_new (NAUTILUS_ICON_NETWORK);
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eel_preferences_add_callback (NAUTILUS_PREFERENCES_DESKTOP_NETWORK_NAME,
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network_name_changed,
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link);
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break;
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default:
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case NAUTILUS_DESKTOP_LINK_MOUNT:
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g_assert_not_reached();
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}
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create_icon_file (link);
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return link;
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}
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NautilusDesktopLink *
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nautilus_desktop_link_new_from_mount (GMount *mount)
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{
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NautilusDesktopLink *link;
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GVolume *volume;
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char *name, *filename;
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link = NAUTILUS_DESKTOP_LINK (g_object_new (NAUTILUS_TYPE_DESKTOP_LINK, NULL));
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link->details->type = NAUTILUS_DESKTOP_LINK_MOUNT;
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link->details->mount = g_object_ref (mount);
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/* We try to use the drive name to get somewhat stable filenames
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for metadata */
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volume = g_mount_get_volume (mount);
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if (volume != NULL) {
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name = g_volume_get_name (volume);
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g_object_unref (volume);
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} else {
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name = g_mount_get_name (mount);
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}
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/* Replace slashes in name */
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filename = g_strconcat (g_strdelimit (name, "/", '-'), ".volume", NULL);
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link->details->filename =
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nautilus_desktop_link_monitor_make_filename_unique (nautilus_desktop_link_monitor_get (),
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filename);
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g_free (filename);
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g_free (name);
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link->details->display_name = g_mount_get_name (mount);
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link->details->activation_location = g_mount_get_root (mount);
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link->details->icon = g_mount_get_icon (mount);
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link->details->signal_handler_obj = G_OBJECT (mount);
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link->details->signal_handler =
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g_signal_connect (mount, "changed",
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G_CALLBACK (mount_changed_callback), link);
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create_icon_file (link);
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return link;
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}
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GMount *
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nautilus_desktop_link_get_mount (NautilusDesktopLink *link)
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{
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if (link->details->mount) {
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return g_object_ref (link->details->mount);
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}
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return NULL;
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}
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NautilusDesktopLinkType
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nautilus_desktop_link_get_link_type (NautilusDesktopLink *link)
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{
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return link->details->type;
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}
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char *
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nautilus_desktop_link_get_file_name (NautilusDesktopLink *link)
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{
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return g_strdup (link->details->filename);
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}
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char *
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nautilus_desktop_link_get_display_name (NautilusDesktopLink *link)
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{
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return g_strdup (link->details->display_name);
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}
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GIcon *
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nautilus_desktop_link_get_icon (NautilusDesktopLink *link)
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{
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if (link->details->icon != NULL) {
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return g_object_ref (link->details->icon);
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}
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return NULL;
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}
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GFile *
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nautilus_desktop_link_get_activation_location (NautilusDesktopLink *link)
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{
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if (link->details->activation_location) {
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return g_object_ref (link->details->activation_location);
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}
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return NULL;
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}
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gboolean
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nautilus_desktop_link_get_date (NautilusDesktopLink *link,
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NautilusDateType date_type,
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time_t *date)
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{
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return FALSE;
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}
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gboolean
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nautilus_desktop_link_can_rename (NautilusDesktopLink *link)
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{
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return (link->details->type == NAUTILUS_DESKTOP_LINK_HOME ||
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link->details->type == NAUTILUS_DESKTOP_LINK_TRASH ||
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link->details->type == NAUTILUS_DESKTOP_LINK_NETWORK ||
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link->details->type == NAUTILUS_DESKTOP_LINK_COMPUTER);
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}
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gboolean
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nautilus_desktop_link_rename (NautilusDesktopLink *link,
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const char *name)
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{
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switch (link->details->type) {
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case NAUTILUS_DESKTOP_LINK_HOME:
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eel_preferences_set (NAUTILUS_PREFERENCES_DESKTOP_HOME_NAME,
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name);
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break;
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case NAUTILUS_DESKTOP_LINK_COMPUTER:
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eel_preferences_set (NAUTILUS_PREFERENCES_DESKTOP_COMPUTER_NAME,
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name);
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break;
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case NAUTILUS_DESKTOP_LINK_TRASH:
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eel_preferences_set (NAUTILUS_PREFERENCES_DESKTOP_TRASH_NAME,
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name);
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break;
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case NAUTILUS_DESKTOP_LINK_NETWORK:
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eel_preferences_set (NAUTILUS_PREFERENCES_DESKTOP_NETWORK_NAME,
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name);
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break;
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default:
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g_assert_not_reached ();
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/* FIXME: Do we want volume renaming?
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* We didn't support that before. */
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break;
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}
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return TRUE;
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}
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static void
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nautilus_desktop_link_init (NautilusDesktopLink *link)
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{
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link->details = G_TYPE_INSTANCE_GET_PRIVATE (link,
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NAUTILUS_TYPE_DESKTOP_LINK,
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NautilusDesktopLinkDetails);
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}
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static void
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desktop_link_finalize (GObject *object)
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{
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NautilusDesktopLink *link;
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link = NAUTILUS_DESKTOP_LINK (object);
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if (link->details->signal_handler != 0) {
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g_signal_handler_disconnect (link->details->signal_handler_obj,
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link->details->signal_handler);
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}
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if (link->details->icon_file != NULL) {
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nautilus_desktop_icon_file_remove (link->details->icon_file);
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nautilus_file_unref (NAUTILUS_FILE (link->details->icon_file));
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link->details->icon_file = NULL;
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}
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if (link->details->type == NAUTILUS_DESKTOP_LINK_HOME) {
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eel_preferences_remove_callback (NAUTILUS_PREFERENCES_DESKTOP_HOME_NAME,
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home_name_changed,
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link);
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}
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if (link->details->type == NAUTILUS_DESKTOP_LINK_COMPUTER) {
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eel_preferences_remove_callback (NAUTILUS_PREFERENCES_DESKTOP_COMPUTER_NAME,
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computer_name_changed,
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link);
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}
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if (link->details->type == NAUTILUS_DESKTOP_LINK_TRASH) {
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eel_preferences_remove_callback (NAUTILUS_PREFERENCES_DESKTOP_TRASH_NAME,
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trash_name_changed,
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link);
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}
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if (link->details->type == NAUTILUS_DESKTOP_LINK_NETWORK) {
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eel_preferences_remove_callback (NAUTILUS_PREFERENCES_DESKTOP_NETWORK_NAME,
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network_name_changed,
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link);
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}
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if (link->details->type == NAUTILUS_DESKTOP_LINK_MOUNT) {
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g_object_unref (link->details->mount);
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}
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g_free (link->details->filename);
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g_free (link->details->display_name);
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if (link->details->activation_location) {
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g_object_unref (link->details->activation_location);
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}
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if (link->details->icon) {
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g_object_unref (link->details->icon);
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}
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G_OBJECT_CLASS (nautilus_desktop_link_parent_class)->finalize (object);
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}
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static void
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nautilus_desktop_link_class_init (NautilusDesktopLinkClass *klass)
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{
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GObjectClass *object_class;
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object_class = G_OBJECT_CLASS (klass);
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object_class->finalize = desktop_link_finalize;
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g_type_class_add_private (object_class, sizeof(NautilusDesktopLinkDetails));
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}
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