1 /* GIO - GLib Input, Output and Streaming Library
3 * Copyright (C) 2006-2007 Red Hat, Inc.
4 * Copyright (C) 2008 Hans Breuer
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 * Author: Alexander Larsson <alexl@redhat.com>
22 * David Zeuthen <davidz@redhat.com>
23 * Hans Breuer <hans@breuer.org>
33 #include "gwin32volumemonitor.h"
34 #include "gwin32mount.h"
36 #include "giomodule.h"
38 #define _WIN32_WINNT 0x0500
41 struct _GWin32VolumeMonitor
{
42 GNativeVolumeMonitor parent
;
48 #define g_win32_volume_monitor_get_type _g_win32_volume_monitor_get_type
49 G_DEFINE_TYPE_WITH_CODE (GWin32VolumeMonitor
, g_win32_volume_monitor
, G_TYPE_NATIVE_VOLUME_MONITOR
,
50 g_io_extension_point_implement (G_NATIVE_VOLUME_MONITOR_EXTENSION_POINT_NAME
,
56 g_win32_volume_monitor_finalize (GObject
*object
)
58 GWin32VolumeMonitor
*monitor
;
60 monitor
= G_WIN32_VOLUME_MONITOR (object
);
62 if (G_OBJECT_CLASS (g_win32_volume_monitor_parent_class
)->finalize
)
63 (*G_OBJECT_CLASS (g_win32_volume_monitor_parent_class
)->finalize
) (object
);
67 * get_viewable_logical_drives:
69 * Returns the list of logical and viewable drives as defined by
70 * GetLogicalDrives() and the registry keys
71 * Software\Microsoft\Windows\CurrentVersion\Policies\Explorer under
72 * HKLM or HKCU. If neither key exists the result of
73 * GetLogicalDrives() is returned.
75 * Return value: bitmask with same meaning as returned by GetLogicalDrives()
78 get_viewable_logical_drives (void)
80 guint viewable_drives
= GetLogicalDrives ();
83 DWORD var_type
= REG_DWORD
; //the value's a REG_DWORD type
84 DWORD no_drives_size
= 4;
86 gboolean hklm_present
= FALSE
;
88 if (RegOpenKeyEx (HKEY_LOCAL_MACHINE
,
89 "Software\\Microsoft\\Windows\\"
90 "CurrentVersion\\Policies\\Explorer",
91 0, KEY_READ
, &key
) == ERROR_SUCCESS
)
93 if (RegQueryValueEx (key
, "NoDrives", NULL
, &var_type
,
94 (LPBYTE
) &no_drives
, &no_drives_size
) == ERROR_SUCCESS
)
96 /* We need the bits that are set in viewable_drives, and
99 viewable_drives
= viewable_drives
& ~no_drives
;
105 /* If the key is present in HKLM then the one in HKCU should be ignored */
108 if (RegOpenKeyEx (HKEY_CURRENT_USER
,
109 "Software\\Microsoft\\Windows\\"
110 "CurrentVersion\\Policies\\Explorer",
111 0, KEY_READ
, &key
) == ERROR_SUCCESS
)
113 if (RegQueryValueEx (key
, "NoDrives", NULL
, &var_type
,
114 (LPBYTE
) &no_drives
, &no_drives_size
) == ERROR_SUCCESS
)
116 viewable_drives
= viewable_drives
& ~no_drives
;
122 return viewable_drives
;
125 /* deliver accesible (aka 'mounted') volumes */
127 get_mounts (GVolumeMonitor
*volume_monitor
)
129 GWin32VolumeMonitor
*monitor
;
131 gchar drive
[4] = "A:\\";
134 monitor
= G_WIN32_VOLUME_MONITOR (volume_monitor
);
136 drives
= get_viewable_logical_drives ();
139 g_warning ("get_viewable_logical_drives failed.");
141 while (drives
&& drive
[0] <= 'Z')
145 list
= g_list_prepend (list
, _g_win32_mount_new (volume_monitor
, drive
, NULL
));
153 /* actually 'mounting' volumes is out of GIOs business on win32, so no volumes are delivered either */
155 get_volumes (GVolumeMonitor
*volume_monitor
)
157 GWin32VolumeMonitor
*monitor
;
160 monitor
= G_WIN32_VOLUME_MONITOR (volume_monitor
);
167 get_connected_drives (GVolumeMonitor
*volume_monitor
)
169 GWin32VolumeMonitor
*monitor
;
172 wchar_t wc_name
[MAX_PATH
+1];
175 monitor
= G_WIN32_VOLUME_MONITOR (volume_monitor
);
178 find_handle
= FindFirstVolumeW (wc_name
, MAX_PATH
);
179 found
= (find_handle
!= INVALID_HANDLE_VALUE
);
182 /* I don't know what this code is supposed to do; clearly it now
183 * does nothing, the returned GList is always NULL. But what was
184 * this code supposed to be a start of? The volume names that
185 * the FindFirstVolume/FindNextVolume loop iterates over returns
188 * \Device\HarddiskVolume1
189 * \Device\HarddiskVolume2
192 * No DOS devices there, so I don't see the point with the
193 * QueryDosDevice call below. Probably this code is confusing volumes
194 * with something else that does contain the mapping from DOS devices
197 wchar_t wc_dev_name
[MAX_PATH
+1];
198 guint trailing
= wcslen (wc_name
) - 1;
200 /* remove trailing backslash and leading \\?\\ */
201 wc_name
[trailing
] = L
'\0';
202 if (QueryDosDeviceW (&wc_name
[4], wc_dev_name
, MAX_PATH
))
204 gchar
*name
= g_utf16_to_utf8 (wc_dev_name
, -1, NULL
, NULL
, NULL
);
205 g_print ("%s\n", name
);
209 found
= FindNextVolumeW (find_handle
, wc_name
, MAX_PATH
);
211 if (find_handle
!= INVALID_HANDLE_VALUE
)
212 FindVolumeClose (find_handle
);
219 get_volume_for_uuid (GVolumeMonitor
*volume_monitor
, const char *uuid
)
225 get_mount_for_uuid (GVolumeMonitor
*volume_monitor
, const char *uuid
)
237 get_mount_for_mount_path (const char *mount_path
,
238 GCancellable
*cancellable
)
242 /* TODO: Set mountable volume? */
243 mount
= _g_win32_mount_new (NULL
, mount_path
, NULL
);
245 return G_MOUNT (mount
);
249 g_win32_volume_monitor_class_init (GWin32VolumeMonitorClass
*klass
)
251 GObjectClass
*gobject_class
= G_OBJECT_CLASS (klass
);
252 GVolumeMonitorClass
*monitor_class
= G_VOLUME_MONITOR_CLASS (klass
);
253 GNativeVolumeMonitorClass
*native_class
= G_NATIVE_VOLUME_MONITOR_CLASS (klass
);
255 gobject_class
->finalize
= g_win32_volume_monitor_finalize
;
257 monitor_class
->get_mounts
= get_mounts
;
258 monitor_class
->get_volumes
= get_volumes
;
259 monitor_class
->get_connected_drives
= get_connected_drives
;
260 monitor_class
->get_volume_for_uuid
= get_volume_for_uuid
;
261 monitor_class
->get_mount_for_uuid
= get_mount_for_uuid
;
262 monitor_class
->is_supported
= is_supported
;
264 native_class
->get_mount_for_mount_path
= get_mount_for_mount_path
;
268 g_win32_volume_monitor_init (GWin32VolumeMonitor
*win32_monitor
)
270 /* maybe we shoud setup a callback window to listern for WM_DEVICECHANGE ? */
272 unix_monitor
->mount_monitor
= g_win32_mount_monitor_new ();
274 g_signal_connect (win32_monitor
->mount_monitor
,
275 "mounts-changed", G_CALLBACK (mounts_changed
),
278 g_signal_connect (win32_monitor
->mount_monitor
,
279 "mountpoints-changed", G_CALLBACK (mountpoints_changed
),
282 update_volumes (win32_monitor
);
283 update_mounts (win32_monitor
);