1 /* GIO - GLib Input, Output and Streaming Library
3 * Copyright (C) 2006-2007 Red Hat, Inc.
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
15 * You should have received a copy of the GNU Lesser General
16 * Public License along with this library; if not, write to the
17 * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
18 * Boston, MA 02111-1307, USA.
20 * Author: Alexander Larsson <alexl@redhat.com>
25 #include "glocaldirectorymonitor.h"
26 #include "gunixmounts.h"
27 #include "giomodule-priv.h"
42 static gboolean
g_local_directory_monitor_cancel (GFileMonitor
*monitor
);
43 static void mounts_changed (GUnixMountMonitor
*mount_monitor
,
46 G_DEFINE_ABSTRACT_TYPE (GLocalDirectoryMonitor
, g_local_directory_monitor
, G_TYPE_FILE_MONITOR
)
49 g_local_directory_monitor_finalize (GObject
*object
)
51 GLocalDirectoryMonitor
*local_monitor
;
52 local_monitor
= G_LOCAL_DIRECTORY_MONITOR (object
);
54 g_free (local_monitor
->dirname
);
56 if (local_monitor
->mount_monitor
)
58 g_signal_handlers_disconnect_by_func (local_monitor
->mount_monitor
, mounts_changed
, local_monitor
);
59 g_object_unref (local_monitor
->mount_monitor
);
60 local_monitor
->mount_monitor
= NULL
;
63 G_OBJECT_CLASS (g_local_directory_monitor_parent_class
)->finalize (object
);
67 g_local_directory_monitor_set_property (GObject
*object
,
72 GLocalDirectoryMonitor
*local_monitor
= G_LOCAL_DIRECTORY_MONITOR (object
);
77 local_monitor
->dirname
= g_value_dup_string (value
);
81 local_monitor
->flags
= g_value_get_flags (value
);
85 G_OBJECT_WARN_INVALID_PROPERTY_ID (object
, property_id
, pspec
);
91 g_local_directory_monitor_start (GLocalDirectoryMonitor
*local_monitor
)
93 GLocalDirectoryMonitorClass
*class;
95 class = G_LOCAL_DIRECTORY_MONITOR_GET_CLASS (local_monitor
);
97 if (!class->mount_notify
&& (local_monitor
->flags
& G_FILE_MONITOR_WATCH_MOUNTS
))
100 /*claim everything was mounted */
101 local_monitor
->was_mounted
= TRUE
;
103 GUnixMountEntry
*mount
;
105 /* Emulate unmount detection */
107 mount
= g_unix_mount_at (local_monitor
->dirname
, NULL
);
109 local_monitor
->was_mounted
= mount
!= NULL
;
112 g_unix_mount_free (mount
);
114 local_monitor
->mount_monitor
= g_unix_mount_monitor_new ();
115 g_signal_connect_object (local_monitor
->mount_monitor
, "mounts-changed",
116 G_CALLBACK (mounts_changed
), local_monitor
, 0);
121 class->start (local_monitor
);
125 g_local_directory_monitor_class_init (GLocalDirectoryMonitorClass
* klass
)
127 GObjectClass
* gobject_class
= G_OBJECT_CLASS (klass
);
128 GFileMonitorClass
*file_monitor_class
= G_FILE_MONITOR_CLASS (klass
);
130 gobject_class
->finalize
= g_local_directory_monitor_finalize
;
131 gobject_class
->set_property
= g_local_directory_monitor_set_property
;
133 file_monitor_class
->cancel
= g_local_directory_monitor_cancel
;
135 g_object_class_install_property (gobject_class
,
137 g_param_spec_string ("dirname",
138 P_("Directory name"),
139 P_("Directory to monitor"),
141 G_PARAM_CONSTRUCT_ONLY
|
143 G_PARAM_STATIC_NAME
|G_PARAM_STATIC_NICK
|G_PARAM_STATIC_BLURB
));
144 g_object_class_install_property (gobject_class
,
146 g_param_spec_flags ("flags",
149 G_TYPE_FILE_MONITOR_FLAGS
,
151 G_PARAM_CONSTRUCT_ONLY
|
153 G_PARAM_STATIC_NAME
|G_PARAM_STATIC_NICK
|G_PARAM_STATIC_BLURB
));
155 klass
->mount_notify
= FALSE
;
159 g_local_directory_monitor_init (GLocalDirectoryMonitor
*local_monitor
)
164 mounts_changed (GUnixMountMonitor
*mount_monitor
,
167 GLocalDirectoryMonitor
*local_monitor
= user_data
;
169 GUnixMountEntry
*mount
;
174 /* Emulate unmount detection */
176 mount
= g_unix_mount_at (local_monitor
->dirname
, NULL
);
178 is_mounted
= mount
!= NULL
;
181 g_unix_mount_free (mount
);
183 /*claim everything was mounted */
187 if (local_monitor
->was_mounted
!= is_mounted
)
189 if (local_monitor
->was_mounted
&& !is_mounted
)
191 file
= g_file_new_for_path (local_monitor
->dirname
);
192 g_file_monitor_emit_event (G_FILE_MONITOR (local_monitor
),
194 G_FILE_MONITOR_EVENT_UNMOUNTED
);
195 g_object_unref (file
);
197 local_monitor
->was_mounted
= is_mounted
;
202 _g_local_directory_monitor_new (const char *dirname
,
203 GFileMonitorFlags flags
,
204 GMainContext
*context
,
205 gboolean is_remote_fs
,
209 GFileMonitor
*monitor
= NULL
;
210 GType type
= G_TYPE_INVALID
;
213 type
= _g_io_module_get_default_type (G_NFS_DIRECTORY_MONITOR_EXTENSION_POINT_NAME
,
214 "GIO_USE_FILE_MONITOR",
215 G_STRUCT_OFFSET (GLocalDirectoryMonitorClass
, is_supported
));
217 if (type
== G_TYPE_INVALID
)
218 type
= _g_io_module_get_default_type (G_LOCAL_DIRECTORY_MONITOR_EXTENSION_POINT_NAME
,
219 "GIO_USE_FILE_MONITOR",
220 G_STRUCT_OFFSET (GLocalDirectoryMonitorClass
, is_supported
));
222 if (type
!= G_TYPE_INVALID
)
223 monitor
= G_FILE_MONITOR (g_object_new (type
, "dirname", dirname
, "flags", flags
, "context", context
, NULL
));
225 g_set_error_literal (error
, G_IO_ERROR
, G_IO_ERROR_FAILED
,
226 _("Unable to find default local directory monitor type"));
228 if (monitor
&& do_start
)
229 g_local_directory_monitor_start (G_LOCAL_DIRECTORY_MONITOR (monitor
));
235 g_local_directory_monitor_cancel (GFileMonitor
*monitor
)
237 GLocalDirectoryMonitor
*local_monitor
= G_LOCAL_DIRECTORY_MONITOR (monitor
);
239 if (local_monitor
->mount_monitor
)
241 g_signal_handlers_disconnect_by_func (local_monitor
->mount_monitor
, mounts_changed
, local_monitor
);
242 g_object_unref (local_monitor
->mount_monitor
);
243 local_monitor
->mount_monitor
= NULL
;