mirror of
https://gitlab.gnome.org/GNOME/nautilus
synced 2024-11-05 16:04:31 +00:00
52d960542b
And make the style of Nautilus the same for all files. Hopefully we can fix all the style issues we can find in the next days, so expect a little of movement on this. https://bugzilla.gnome.org/show_bug.cgi?id=770564
460 lines
14 KiB
C
460 lines
14 KiB
C
/*
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* nautilus-desktop-link-monitor.c: singleton thatn manages the links
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*
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* Copyright (C) 2003 Red Hat, Inc.
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*
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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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*
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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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*
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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, see <http://www.gnu.org/licenses/>.
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*
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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-monitor.h"
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#include "nautilus-desktop-link.h"
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#include "nautilus-desktop-icon-file.h"
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#include "nautilus-desktop-directory.h"
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#include <eel/eel-debug.h>
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#include <eel/eel-vfs-extensions.h>
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#include <eel/eel-stock-dialogs.h>
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#include <gtk/gtk.h>
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#include <glib/gi18n.h>
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#include <gio/gio.h>
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#include <src/nautilus-trash-monitor.h>
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#include <src/nautilus-global-preferences.h>
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#include <src/nautilus-directory.h>
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#include <string.h>
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struct NautilusDesktopLinkMonitorDetails
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{
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GVolumeMonitor *volume_monitor;
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NautilusDirectory *desktop_dir;
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NautilusDesktopLink *home_link;
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NautilusDesktopLink *trash_link;
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NautilusDesktopLink *network_link;
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GList *mount_links;
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};
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G_DEFINE_TYPE (NautilusDesktopLinkMonitor, nautilus_desktop_link_monitor, G_TYPE_OBJECT);
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static NautilusDesktopLinkMonitor *the_link_monitor = NULL;
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void
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nautilus_desktop_link_monitor_shutdown (void)
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{
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g_clear_object (&the_link_monitor);
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}
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NautilusDesktopLinkMonitor *
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nautilus_desktop_link_monitor_get (void)
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{
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if (the_link_monitor == NULL)
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{
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g_object_new (NAUTILUS_TYPE_DESKTOP_LINK_MONITOR, NULL);
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eel_debug_call_at_shutdown (nautilus_desktop_link_monitor_shutdown);
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}
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return the_link_monitor;
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}
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static gboolean
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volume_file_name_used (NautilusDesktopLinkMonitor *monitor,
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const char *name)
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{
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GList *l;
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char *other_name;
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gboolean same;
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for (l = monitor->details->mount_links; l != NULL; l = l->next)
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{
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other_name = nautilus_desktop_link_get_file_name (l->data);
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same = strcmp (name, other_name) == 0;
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g_free (other_name);
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if (same)
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{
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return TRUE;
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}
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}
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return FALSE;
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}
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char *
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nautilus_desktop_link_monitor_make_filename_unique (NautilusDesktopLinkMonitor *monitor,
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const char *filename)
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{
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char *unique_name;
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int i;
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i = 2;
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unique_name = g_strdup (filename);
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while (volume_file_name_used (monitor, unique_name))
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{
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g_free (unique_name);
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unique_name = g_strdup_printf ("%s.%d", filename, i++);
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}
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return unique_name;
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}
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static gboolean
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has_mount (NautilusDesktopLinkMonitor *monitor,
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GMount *mount)
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{
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gboolean ret;
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GMount *other_mount;
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GList *l;
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ret = FALSE;
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for (l = monitor->details->mount_links; l != NULL; l = l->next)
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{
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other_mount = nautilus_desktop_link_get_mount (l->data);
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if (mount == other_mount)
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{
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g_object_unref (other_mount);
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ret = TRUE;
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break;
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}
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g_object_unref (other_mount);
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}
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return ret;
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}
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static void
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create_mount_link (NautilusDesktopLinkMonitor *monitor,
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GMount *mount)
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{
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NautilusDesktopLink *link;
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if (has_mount (monitor, mount))
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{
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return;
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}
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if ((!g_mount_is_shadowed (mount)) &&
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g_settings_get_boolean (nautilus_desktop_preferences,
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NAUTILUS_PREFERENCES_DESKTOP_VOLUMES_VISIBLE))
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{
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link = nautilus_desktop_link_new_from_mount (mount);
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monitor->details->mount_links = g_list_prepend (monitor->details->mount_links, link);
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}
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}
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static void
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remove_mount_link (NautilusDesktopLinkMonitor *monitor,
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GMount *mount)
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{
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GList *l;
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NautilusDesktopLink *link;
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GMount *other_mount;
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link = NULL;
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for (l = monitor->details->mount_links; l != NULL; l = l->next)
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{
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other_mount = nautilus_desktop_link_get_mount (l->data);
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if (mount == other_mount)
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{
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g_object_unref (other_mount);
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link = l->data;
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break;
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}
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g_object_unref (other_mount);
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}
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if (link)
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{
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monitor->details->mount_links = g_list_remove (monitor->details->mount_links, link);
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g_object_unref (link);
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}
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}
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static void
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mount_added_callback (GVolumeMonitor *volume_monitor,
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GMount *mount,
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NautilusDesktopLinkMonitor *monitor)
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{
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create_mount_link (monitor, mount);
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}
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static void
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mount_removed_callback (GVolumeMonitor *volume_monitor,
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GMount *mount,
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NautilusDesktopLinkMonitor *monitor)
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{
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remove_mount_link (monitor, mount);
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}
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static void
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mount_changed_callback (GVolumeMonitor *volume_monitor,
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GMount *mount,
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NautilusDesktopLinkMonitor *monitor)
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{
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/* TODO: update the mount with other details */
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/* remove a mount if it goes into the shadows */
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if (g_mount_is_shadowed (mount) && has_mount (monitor, mount))
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{
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remove_mount_link (monitor, mount);
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}
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}
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static void
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update_link_visibility (NautilusDesktopLinkMonitor *monitor,
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NautilusDesktopLink **link_ref,
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NautilusDesktopLinkType link_type,
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const char *preference_key)
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{
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if (g_settings_get_boolean (nautilus_desktop_preferences, preference_key))
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{
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if (*link_ref == NULL)
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{
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*link_ref = nautilus_desktop_link_new (link_type);
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}
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}
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else
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{
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if (*link_ref != NULL)
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{
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g_object_unref (*link_ref);
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*link_ref = NULL;
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}
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}
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}
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static void
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desktop_home_visible_changed (gpointer callback_data)
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{
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NautilusDesktopLinkMonitor *monitor;
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monitor = NAUTILUS_DESKTOP_LINK_MONITOR (callback_data);
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update_link_visibility (NAUTILUS_DESKTOP_LINK_MONITOR (monitor),
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&monitor->details->home_link,
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NAUTILUS_DESKTOP_LINK_HOME,
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NAUTILUS_PREFERENCES_DESKTOP_HOME_VISIBLE);
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}
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static void
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desktop_trash_visible_changed (gpointer callback_data)
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{
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NautilusDesktopLinkMonitor *monitor;
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monitor = NAUTILUS_DESKTOP_LINK_MONITOR (callback_data);
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update_link_visibility (NAUTILUS_DESKTOP_LINK_MONITOR (callback_data),
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&monitor->details->trash_link,
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NAUTILUS_DESKTOP_LINK_TRASH,
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NAUTILUS_PREFERENCES_DESKTOP_TRASH_VISIBLE);
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}
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static void
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desktop_network_visible_changed (gpointer callback_data)
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{
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NautilusDesktopLinkMonitor *monitor;
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monitor = NAUTILUS_DESKTOP_LINK_MONITOR (callback_data);
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update_link_visibility (NAUTILUS_DESKTOP_LINK_MONITOR (callback_data),
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&monitor->details->network_link,
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NAUTILUS_DESKTOP_LINK_NETWORK,
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NAUTILUS_PREFERENCES_DESKTOP_NETWORK_VISIBLE);
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}
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static void
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desktop_volumes_visible_changed (gpointer callback_data)
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{
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NautilusDesktopLinkMonitor *monitor;
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GList *l, *mounts;
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monitor = NAUTILUS_DESKTOP_LINK_MONITOR (callback_data);
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if (g_settings_get_boolean (nautilus_desktop_preferences,
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NAUTILUS_PREFERENCES_DESKTOP_VOLUMES_VISIBLE))
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{
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if (monitor->details->mount_links == NULL)
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{
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mounts = g_volume_monitor_get_mounts (monitor->details->volume_monitor);
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for (l = mounts; l != NULL; l = l->next)
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{
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create_mount_link (monitor, l->data);
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g_object_unref (l->data);
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}
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g_list_free (mounts);
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}
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}
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else
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{
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g_list_foreach (monitor->details->mount_links, (GFunc) g_object_unref, NULL);
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g_list_free (monitor->details->mount_links);
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monitor->details->mount_links = NULL;
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}
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}
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static void
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create_link_and_add_preference (NautilusDesktopLink **link_ref,
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NautilusDesktopLinkType link_type,
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const char *preference_key,
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GCallback callback,
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gpointer callback_data)
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{
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char *detailed_signal;
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if (g_settings_get_boolean (nautilus_desktop_preferences, preference_key))
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{
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*link_ref = nautilus_desktop_link_new (link_type);
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}
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detailed_signal = g_strconcat ("changed::", preference_key, NULL);
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g_signal_connect_swapped (nautilus_desktop_preferences,
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detailed_signal,
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callback, callback_data);
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g_free (detailed_signal);
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}
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static void
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nautilus_desktop_link_monitor_init (NautilusDesktopLinkMonitor *monitor)
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{
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GList *l, *mounts;
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GMount *mount;
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monitor->details = G_TYPE_INSTANCE_GET_PRIVATE (monitor, NAUTILUS_TYPE_DESKTOP_LINK_MONITOR,
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NautilusDesktopLinkMonitorDetails);
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the_link_monitor = monitor;
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monitor->details->volume_monitor = g_volume_monitor_get ();
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/* We keep around a ref to the desktop dir */
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monitor->details->desktop_dir = nautilus_directory_get_by_uri (EEL_DESKTOP_URI);
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/* Default links */
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create_link_and_add_preference (&monitor->details->home_link,
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NAUTILUS_DESKTOP_LINK_HOME,
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NAUTILUS_PREFERENCES_DESKTOP_HOME_VISIBLE,
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G_CALLBACK (desktop_home_visible_changed),
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monitor);
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create_link_and_add_preference (&monitor->details->trash_link,
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NAUTILUS_DESKTOP_LINK_TRASH,
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NAUTILUS_PREFERENCES_DESKTOP_TRASH_VISIBLE,
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G_CALLBACK (desktop_trash_visible_changed),
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monitor);
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create_link_and_add_preference (&monitor->details->network_link,
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NAUTILUS_DESKTOP_LINK_NETWORK,
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NAUTILUS_PREFERENCES_DESKTOP_NETWORK_VISIBLE,
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G_CALLBACK (desktop_network_visible_changed),
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monitor);
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/* Mount links */
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mounts = g_volume_monitor_get_mounts (monitor->details->volume_monitor);
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for (l = mounts; l != NULL; l = l->next)
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{
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mount = l->data;
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create_mount_link (monitor, mount);
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g_object_unref (mount);
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}
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g_list_free (mounts);
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g_signal_connect_swapped (nautilus_desktop_preferences,
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"changed::" NAUTILUS_PREFERENCES_DESKTOP_VOLUMES_VISIBLE,
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G_CALLBACK (desktop_volumes_visible_changed),
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monitor);
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g_signal_connect_object (monitor->details->volume_monitor, "mount-added",
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G_CALLBACK (mount_added_callback), monitor, 0);
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g_signal_connect_object (monitor->details->volume_monitor, "mount-removed",
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G_CALLBACK (mount_removed_callback), monitor, 0);
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g_signal_connect_object (monitor->details->volume_monitor, "mount-changed",
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G_CALLBACK (mount_changed_callback), monitor, 0);
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}
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static void
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remove_link_and_preference (NautilusDesktopLink **link_ref,
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const char *preference_key,
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GCallback callback,
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gpointer callback_data)
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{
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if (*link_ref != NULL)
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{
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g_object_unref (*link_ref);
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*link_ref = NULL;
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}
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g_signal_handlers_disconnect_by_func (nautilus_desktop_preferences,
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callback, callback_data);
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}
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static void
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desktop_link_monitor_finalize (GObject *object)
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{
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NautilusDesktopLinkMonitor *monitor;
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monitor = NAUTILUS_DESKTOP_LINK_MONITOR (object);
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/* Default links */
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remove_link_and_preference (&monitor->details->home_link,
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NAUTILUS_PREFERENCES_DESKTOP_HOME_VISIBLE,
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G_CALLBACK (desktop_home_visible_changed),
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monitor);
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remove_link_and_preference (&monitor->details->trash_link,
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NAUTILUS_PREFERENCES_DESKTOP_TRASH_VISIBLE,
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G_CALLBACK (desktop_trash_visible_changed),
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monitor);
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remove_link_and_preference (&monitor->details->network_link,
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NAUTILUS_PREFERENCES_DESKTOP_NETWORK_VISIBLE,
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G_CALLBACK (desktop_network_visible_changed),
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monitor);
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/* Mounts */
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g_list_foreach (monitor->details->mount_links, (GFunc) g_object_unref, NULL);
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g_list_free (monitor->details->mount_links);
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monitor->details->mount_links = NULL;
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nautilus_directory_unref (monitor->details->desktop_dir);
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monitor->details->desktop_dir = NULL;
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g_signal_handlers_disconnect_by_func (nautilus_desktop_preferences,
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desktop_volumes_visible_changed,
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monitor);
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g_object_unref (monitor->details->volume_monitor);
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G_OBJECT_CLASS (nautilus_desktop_link_monitor_parent_class)->finalize (object);
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}
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static void
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nautilus_desktop_link_monitor_class_init (NautilusDesktopLinkMonitorClass *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_monitor_finalize;
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g_type_class_add_private (klass, sizeof (NautilusDesktopLinkMonitorDetails));
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}
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