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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim:set expandtab ts=4 shiftwidth=4: */
/* GIO - GLib Input, Output and Streaming Library
*
* Copyright (C) 2006-2007 Red Hat, Inc.
* Copyright (C) 2007 Sebastian Dröge.
* Copyright (c) 2008, 2010 Oracle and/or its affiliates, Inc. All rights
* reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307, USA.
*
* Authors: Alexander Larsson <alexl@redhat.com>
* John McCutchan <john@johnmccutchan.com>
* Sebastian Dröge <slomo@circular-chaos.org>
* Lin Ma <lin.ma@sun.com>
*/
#include "config.h"
#include "gfenfilemonitor.h"
#include <gio/giomodule.h>
#include "fen-helper.h"
struct _GFenFileMonitor
{
GLocalFileMonitor parent_instance;
gboolean enabled;
};
static gboolean g_fen_file_monitor_cancel (GFileMonitor* monitor);
#define g_fen_file_monitor_get_type _g_fen_file_monitor_get_type
G_DEFINE_TYPE_WITH_CODE (GFenFileMonitor, g_fen_file_monitor, G_TYPE_LOCAL_FILE_MONITOR,
g_io_extension_point_implement (G_LOCAL_FILE_MONITOR_EXTENSION_POINT_NAME,
g_define_type_id,
"fen",
20))
static void
g_fen_file_monitor_finalize (GObject *object)
{
GFenFileMonitor *self = G_FEN_FILE_MONITOR (object);
if (self->enabled) {
fen_remove (G_LOCAL_FILE_MONITOR (self)->filename, self, FALSE);
self->enabled = FALSE;
}
if (G_OBJECT_CLASS (g_fen_file_monitor_parent_class)->finalize)
(*G_OBJECT_CLASS (g_fen_file_monitor_parent_class)->finalize) (object);
}
static GObject *
g_fen_file_monitor_constructor (GType type,
guint n_construct_properties,
GObjectConstructParam *construct_properties)
{
GObject *obj;
GFenFileMonitorClass *klass;
GObjectClass *parent_class;
GFenFileMonitor *self;
const gchar *filename = NULL;
klass = G_FEN_FILE_MONITOR_CLASS (g_type_class_peek (G_TYPE_FEN_FILE_MONITOR));
parent_class = g_fen_file_monitor_parent_class;
obj = parent_class->constructor (type,
n_construct_properties,
construct_properties);
self = G_FEN_FILE_MONITOR (obj);
filename = G_LOCAL_FILE_MONITOR (obj)->filename;
g_assert (filename != NULL);
/* Will never fail as is_supported() should be called before instanciating
* anyway */
if (!fen_init ())
g_assert_not_reached ();
/* FIXME: what to do about errors here? we can't return NULL or another
* kind of error and an assertion is probably too hard */
fen_add (filename, self, FALSE);
self->enabled = TRUE;
return obj;
}
static gboolean
g_fen_file_monitor_is_supported (void)
{
return fen_init ();
}
static void
g_fen_file_monitor_class_init (GFenFileMonitorClass* klass)
{
GObjectClass* gobject_class = G_OBJECT_CLASS (klass);
GFileMonitorClass *file_monitor_class = G_FILE_MONITOR_CLASS (klass);
GLocalFileMonitorClass *local_file_monitor_class = G_LOCAL_FILE_MONITOR_CLASS (klass);
gobject_class->finalize = g_fen_file_monitor_finalize;
gobject_class->constructor = g_fen_file_monitor_constructor;
file_monitor_class->cancel = g_fen_file_monitor_cancel;
local_file_monitor_class->is_supported = g_fen_file_monitor_is_supported;
}
static void
g_fen_file_monitor_init (GFenFileMonitor* monitor)
{
}
static gboolean
g_fen_file_monitor_cancel (GFileMonitor* monitor)
{
GFenFileMonitor *self = G_FEN_FILE_MONITOR (monitor);
if (self->enabled) {
fen_remove (G_LOCAL_FILE_MONITOR (self)->filename, self, FALSE);
self->enabled = FALSE;
}
if (G_FILE_MONITOR_CLASS (g_fen_file_monitor_parent_class)->cancel)
(*G_FILE_MONITOR_CLASS (g_fen_file_monitor_parent_class)->cancel) (monitor);
return TRUE;
}
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