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/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*-
caja-monitor.c: file and directory change monitoring for caja
Copyright (C) 2000, 2001 Eazel, Inc.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public
License along with this program; if not, write to the
Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
Boston, MA 02110-1301, USA.
Authors: Seth Nickell <seth@eazel.com>
Darin Adler <darin@bentspoon.com>
Alex Graveley <alex@ximian.com>
*/
#include <config.h>
#include "caja-monitor.h"
#include "caja-file-changes-queue.h"
#include "caja-file-utilities.h"
#include <gio/gio.h>
struct CajaMonitor
{
GFileMonitor *monitor;
GVolumeMonitor *volume_monitor;
GMount *mount;
GFile *location;
};
gboolean
caja_monitor_active (void)
{
static gboolean tried_monitor = FALSE;
static gboolean monitor_success;
GFileMonitor *dir_monitor;
GFile *file;
if (tried_monitor == FALSE)
{
file = g_file_new_for_path (g_get_home_dir ());
dir_monitor = g_file_monitor_directory (file, G_FILE_MONITOR_NONE, NULL, NULL);
g_object_unref (file);
monitor_success = (dir_monitor != NULL);
if (dir_monitor)
{
g_object_unref (dir_monitor);
}
tried_monitor = TRUE;
}
return monitor_success;
}
static gboolean call_consume_changes_idle_id = 0;
static gboolean
call_consume_changes_idle_cb (gpointer not_used)
{
caja_file_changes_consume_changes (TRUE);
call_consume_changes_idle_id = 0;
return FALSE;
}
static void
schedule_call_consume_changes (void)
{
if (call_consume_changes_idle_id == 0) {
call_consume_changes_idle_id =
g_idle_add (call_consume_changes_idle_cb, NULL);
}
}
static void
mount_removed (GVolumeMonitor *volume_monitor,
GMount *mount,
gpointer user_data)
{
CajaMonitor *monitor = user_data;
if (mount == monitor->mount) {
caja_file_changes_queue_file_removed (monitor->location);
schedule_call_consume_changes ();
}
}
static void
dir_changed (GFileMonitor* monitor,
GFile *child,
GFile *other_file,
GFileMonitorEvent event_type,
gpointer user_data)
{
char *uri, *to_uri;
uri = g_file_get_uri (child);
to_uri = NULL;
if (other_file)
{
to_uri = g_file_get_uri (other_file);
}
switch (event_type)
{
default:
case G_FILE_MONITOR_EVENT_CHANGED:
/* ignore */
break;
case G_FILE_MONITOR_EVENT_ATTRIBUTE_CHANGED:
case G_FILE_MONITOR_EVENT_CHANGES_DONE_HINT:
caja_file_changes_queue_file_changed (child);
break;
case G_FILE_MONITOR_EVENT_DELETED:
caja_file_changes_queue_file_removed (child);
break;
case G_FILE_MONITOR_EVENT_CREATED:
caja_file_changes_queue_file_added (child);
break;
case G_FILE_MONITOR_EVENT_PRE_UNMOUNT:
/* TODO: Do something */
break;
case G_FILE_MONITOR_EVENT_UNMOUNTED:
/* TODO: Do something */
break;
}
g_free (uri);
g_free (to_uri);
schedule_call_consume_changes ();
}
CajaMonitor *
caja_monitor_directory (GFile *location)
{
GFileMonitor *dir_monitor;
CajaMonitor *ret;
ret = g_new0 (CajaMonitor, 1);
dir_monitor = g_file_monitor_directory (location, G_FILE_MONITOR_WATCH_MOUNTS, NULL, NULL);
if (dir_monitor != NULL) {
ret->monitor = dir_monitor;
}
else if (!g_file_is_native (location)) {
ret->mount = caja_get_mounted_mount_for_root (location);
ret->location = g_object_ref (location);
ret->volume_monitor = g_volume_monitor_get ();
}
if (ret->monitor != NULL) {
g_signal_connect (ret->monitor, "changed",
G_CALLBACK (dir_changed), ret);
}
if (ret->monitor) {
g_signal_connect (ret->monitor, "changed", (GCallback)dir_changed, ret);
}
if (ret->volume_monitor != NULL) {
g_signal_connect (ret->volume_monitor, "mount-removed",
G_CALLBACK (mount_removed), ret);
}
/* We return a monitor even on failure, so we can avoid later trying again */
return ret;
}
void
caja_monitor_cancel (CajaMonitor *monitor)
{
if (monitor->monitor != NULL)
{
g_signal_handlers_disconnect_by_func (monitor->monitor, dir_changed, monitor);
g_file_monitor_cancel (monitor->monitor);
g_object_unref (monitor->monitor);
}
if (monitor->volume_monitor != NULL) {
g_signal_handlers_disconnect_by_func (monitor->volume_monitor, mount_removed, monitor);
g_object_unref (monitor->volume_monitor);
}
g_clear_object (&monitor->location);
g_clear_object (&monitor->mount);
g_free (monitor);
}
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