1 /* GIO - GLib Input, Output and Streaming Library
3 * Copyright (C) 2006-2007 Red Hat, Inc.
4 * Copyright (C) 2007 Sebastian Dröge.
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General
17 * Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
19 * Authors: Alexander Larsson <alexl@redhat.com>
20 * John McCutchan <john@johnmccutchan.com>
21 * Sebastian Dröge <slomo@circular-chaos.org>
26 #include "ginotifydirectorymonitor.h"
27 #include <gio/giomodule.h>
30 #include "inotify-helper.h"
32 struct _GInotifyDirectoryMonitor
34 GLocalDirectoryMonitor parent_instance;
38 static gboolean g_inotify_directory_monitor_cancel (GFileMonitor* monitor);
40 #define g_inotify_directory_monitor_get_type _g_inotify_directory_monitor_get_type
41 G_DEFINE_TYPE_WITH_CODE (GInotifyDirectoryMonitor, g_inotify_directory_monitor, G_TYPE_LOCAL_DIRECTORY_MONITOR,
42 g_io_extension_point_implement (G_LOCAL_DIRECTORY_MONITOR_EXTENSION_POINT_NAME,
48 g_inotify_directory_monitor_finalize (GObject *object)
50 GInotifyDirectoryMonitor *inotify_monitor = G_INOTIFY_DIRECTORY_MONITOR (object);
51 inotify_sub *sub = inotify_monitor->sub;
57 inotify_monitor->sub = NULL;
60 G_OBJECT_CLASS (g_inotify_directory_monitor_parent_class)->finalize (object);
64 g_inotify_directory_monitor_start (GLocalDirectoryMonitor *local_monitor)
66 GInotifyDirectoryMonitor *inotify_monitor = G_INOTIFY_DIRECTORY_MONITOR (local_monitor);
67 const gchar *dirname = NULL;
68 inotify_sub *sub = NULL;
69 gboolean ret_ih_startup; /* return value of _ih_startup, for asserting */
72 dirname = local_monitor->dirname;
73 g_assert (dirname != NULL);
75 /* Will never fail as is_supported() should be called before instantiating
77 /* assert on return value */
78 ret_ih_startup = _ih_startup();
79 g_assert (ret_ih_startup);
81 pair_moves = local_monitor->flags & G_FILE_MONITOR_SEND_MOVED;
83 sub = _ih_sub_new (dirname, NULL, pair_moves, FALSE, inotify_monitor);
84 /* FIXME: what to do about errors here? we can't return NULL or another
85 * kind of error and an assertion is probably too hard */
86 g_assert (sub != NULL);
88 /* _ih_sub_add allways returns TRUE, see gio/inotify/inotify-helper.c line 109
89 * g_assert (_ih_sub_add (sub)); */
92 inotify_monitor->sub = sub;
96 g_inotify_directory_monitor_is_supported (void)
98 return _ih_startup ();
102 g_inotify_directory_monitor_class_init (GInotifyDirectoryMonitorClass* klass)
104 GObjectClass* gobject_class = G_OBJECT_CLASS (klass);
105 GFileMonitorClass *directory_monitor_class = G_FILE_MONITOR_CLASS (klass);
106 GLocalDirectoryMonitorClass *local_directory_monitor_class = G_LOCAL_DIRECTORY_MONITOR_CLASS (klass);
108 gobject_class->finalize = g_inotify_directory_monitor_finalize;
109 directory_monitor_class->cancel = g_inotify_directory_monitor_cancel;
111 local_directory_monitor_class->mount_notify = TRUE;
112 local_directory_monitor_class->is_supported = g_inotify_directory_monitor_is_supported;
113 local_directory_monitor_class->start = g_inotify_directory_monitor_start;
117 g_inotify_directory_monitor_init (GInotifyDirectoryMonitor* monitor)
122 g_inotify_directory_monitor_cancel (GFileMonitor* monitor)
124 GInotifyDirectoryMonitor *inotify_monitor = G_INOTIFY_DIRECTORY_MONITOR (monitor);
125 inotify_sub *sub = inotify_monitor->sub;
129 _ih_sub_cancel (sub);
131 inotify_monitor->sub = NULL;
134 if (G_FILE_MONITOR_CLASS (g_inotify_directory_monitor_parent_class)->cancel)
135 (*G_FILE_MONITOR_CLASS (g_inotify_directory_monitor_parent_class)->cancel) (monitor);