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, write to the
18 * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
19 * Boston, MA 02111-1307, USA.
21 * Authors: Alexander Larsson <alexl@redhat.com>
22 * John McCutchan <john@johnmccutchan.com>
23 * Sebastian Dröge <slomo@circular-chaos.org>
28 #include "ginotifydirectorymonitor.h"
29 #include "giomodule.h"
32 #include "inotify-helper.h"
36 struct _GInotifyDirectoryMonitor
38 GLocalDirectoryMonitor parent_instance;
42 static gboolean g_inotify_directory_monitor_cancel (GFileMonitor* monitor);
44 #define g_inotify_directory_monitor_get_type _g_inotify_directory_monitor_get_type
45 G_DEFINE_TYPE_WITH_CODE (GInotifyDirectoryMonitor, g_inotify_directory_monitor, G_TYPE_LOCAL_DIRECTORY_MONITOR,
46 g_io_extension_point_implement (G_LOCAL_DIRECTORY_MONITOR_EXTENSION_POINT_NAME,
52 g_inotify_directory_monitor_finalize (GObject *object)
54 GInotifyDirectoryMonitor *inotify_monitor = G_INOTIFY_DIRECTORY_MONITOR (object);
55 inotify_sub *sub = inotify_monitor->sub;
61 inotify_monitor->sub = NULL;
64 if (G_OBJECT_CLASS (g_inotify_directory_monitor_parent_class)->finalize)
65 (*G_OBJECT_CLASS (g_inotify_directory_monitor_parent_class)->finalize) (object);
69 g_inotify_directory_monitor_constructor (GType type,
70 guint n_construct_properties,
71 GObjectConstructParam *construct_properties)
74 GInotifyDirectoryMonitorClass *klass;
75 GObjectClass *parent_class;
76 GInotifyDirectoryMonitor *inotify_monitor;
77 const gchar *dirname = NULL;
78 inotify_sub *sub = NULL;
79 gboolean ret_ih_startup; /* return value of _ih_startup, for asserting */
82 klass = G_INOTIFY_DIRECTORY_MONITOR_CLASS (g_type_class_peek (G_TYPE_INOTIFY_DIRECTORY_MONITOR));
83 parent_class = G_OBJECT_CLASS (g_type_class_peek_parent (klass));
84 obj = parent_class->constructor (type,
85 n_construct_properties,
86 construct_properties);
88 inotify_monitor = G_INOTIFY_DIRECTORY_MONITOR (obj);
90 dirname = G_LOCAL_DIRECTORY_MONITOR (obj)->dirname;
91 g_assert (dirname != NULL);
93 /* Will never fail as is_supported() should be called before instanciating
95 /* assert on return value */
96 ret_ih_startup = _ih_startup();
97 g_assert (ret_ih_startup);
99 pair_moves = G_LOCAL_DIRECTORY_MONITOR (obj)->flags & G_FILE_MONITOR_SEND_MOVED;
101 sub = _ih_sub_new (dirname, NULL, pair_moves, inotify_monitor);
102 /* FIXME: what to do about errors here? we can't return NULL or another
103 * kind of error and an assertion is probably too hard */
104 g_assert (sub != NULL);
106 /* _ih_sub_add allways returns TRUE, see gio/inotify/inotify-helper.c line 109
107 * g_assert (_ih_sub_add (sub)); */
110 inotify_monitor->sub = sub;
116 g_inotify_directory_monitor_is_supported (void)
118 return _ih_startup ();
122 g_inotify_directory_monitor_class_init (GInotifyDirectoryMonitorClass* klass)
124 GObjectClass* gobject_class = G_OBJECT_CLASS (klass);
125 GFileMonitorClass *directory_monitor_class = G_FILE_MONITOR_CLASS (klass);
126 GLocalDirectoryMonitorClass *local_directory_monitor_class = G_LOCAL_DIRECTORY_MONITOR_CLASS (klass);
128 gobject_class->finalize = g_inotify_directory_monitor_finalize;
129 gobject_class->constructor = g_inotify_directory_monitor_constructor;
130 directory_monitor_class->cancel = g_inotify_directory_monitor_cancel;
132 local_directory_monitor_class->mount_notify = TRUE;
133 local_directory_monitor_class->is_supported = g_inotify_directory_monitor_is_supported;
137 g_inotify_directory_monitor_init (GInotifyDirectoryMonitor* monitor)
142 g_inotify_directory_monitor_cancel (GFileMonitor* monitor)
144 GInotifyDirectoryMonitor *inotify_monitor = G_INOTIFY_DIRECTORY_MONITOR (monitor);
145 inotify_sub *sub = inotify_monitor->sub;
149 _ih_sub_cancel (sub);
151 inotify_monitor->sub = NULL;
154 if (G_FILE_MONITOR_CLASS (g_inotify_directory_monitor_parent_class)->cancel)
155 (*G_FILE_MONITOR_CLASS (g_inotify_directory_monitor_parent_class)->cancel) (monitor);