gio/gwin32mount.c

   1 /* GIO - GLib Input, Output and Streaming Library
   2  *
   3  * Copyright (C) 2006-2007 Red Hat, Inc.
   4  * Copyright (C) 2008 Hans Breuer
   5  *
   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 2.1 of the License, or (at your option) any later version.
  10  *
  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.
  15  *
  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/>.
  18  *
  19  * Author: Alexander Larsson <alexl@redhat.com>
  20  *         David Zeuthen <davidz@redhat.com>
  21  *         Hans Breuer <hans@breuer.org>
  22  */
  23
  24 #include "config.h"
  25
  26 #include <string.h>
  27 #define WIN32_MEAN_AND_LEAN
  28 #include <windows.h>
  29
  30 #include <glib.h>
  31 #include "gwin32volumemonitor.h"
  32 #include "gwin32mount.h"
  33 #include "gmount.h"
  34 #include "gfile.h"
  35 #include "gmountprivate.h"
  36 #include "gvolumemonitor.h"
  37 #include "gthemedicon.h"
  38 #include "glibintl.h"
  39
  40
  41 struct _GWin32Mount {
  42   GObject parent;
  43
  44   GVolumeMonitor   *volume_monitor;
  45
  46   GWin32Volume      *volume; /* owned by volume monitor */
  47   int   drive_type;
  48
  49   /* why does all this stuff need to be duplicated? It is in volume already! */
  50   char *name;
  51   GIcon *icon;
  52   GIcon *symbolic_icon;
  53   char *mount_path;
  54
  55   gboolean can_eject;
  56 };
  57
  58 static void g_win32_mount_mount_iface_init (GMountIface *iface);
  59
  60 #define g_win32_mount_get_type _g_win32_mount_get_type
  61 G_DEFINE_TYPE_WITH_CODE (GWin32Mount, g_win32_mount, G_TYPE_OBJECT,
  62                          G_IMPLEMENT_INTERFACE (G_TYPE_MOUNT,
  63                                                 g_win32_mount_mount_iface_init))
  64
  65
  66 static void
  67 g_win32_mount_finalize (GObject *object)
  68 {
  69   GWin32Mount *mount;
  70
  71   mount = G_WIN32_MOUNT (object);
  72
  73   if (mount->volume_monitor != NULL)
  74     g_object_unref (mount->volume_monitor);
  75 #if 0
  76   if (mount->volume)
  77     _g_win32_volume_unset_mount (mount->volume, mount);
  78 #endif
  79   /* TODO: g_warn_if_fail (volume->volume == NULL); */
  80
  81   if (mount->icon != NULL)
  82     g_object_unref (mount->icon);
  83   if (mount->symbolic_icon != NULL)
  84     g_object_unref (mount->symbolic_icon);
  85
  86   g_free (mount->name);
  87   g_free (mount->mount_path);
  88
  89   if (G_OBJECT_CLASS (g_win32_mount_parent_class)->finalize)
  90     (*G_OBJECT_CLASS (g_win32_mount_parent_class)->finalize) (object);
  91 }
  92
  93 static void
  94 g_win32_mount_class_init (GWin32MountClass *klass)
  95 {
  96   GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
  97
  98   gobject_class->finalize = g_win32_mount_finalize;
  99 }
 100
 101 static void
 102 g_win32_mount_init (GWin32Mount *win32_mount)
 103 {
 104 }
 105
 106 static gchar *
 107 _win32_get_displayname (const char *drive)
 108 {
 109   gunichar2 *wdrive = g_utf8_to_utf16 (drive, -1, NULL, NULL, NULL);
 110   gchar *name = NULL;
 111   SHFILEINFOW sfi;
 112   if (SHGetFileInfoW(wdrive, 0, &sfi, sizeof(sfi), SHGFI_DISPLAYNAME))
 113     name = g_utf16_to_utf8 (sfi.szDisplayName, -1, NULL, NULL, NULL);
 114
 115   g_free (wdrive);
 116   return name ? name : g_strdup (drive);
 117 }
 118
 119 /*
 120  * _g_win32_mount_new:
 121  * @volume_monitor: a #GVolumeMonitor.
 122  * @path: a win32 path.
 123  * @volume: usually NULL
 124  *
 125  * Returns: a #GWin32Mount for the given win32 path.
 126  **/
 127 GWin32Mount *
 128 _g_win32_mount_new (GVolumeMonitor  *volume_monitor,
 129                     const char      *path,
 130                     GWin32Volume    *volume)
 131 {
 132   GWin32Mount *mount;
 133   const gchar *drive = path; //fixme
 134
 135 #if 0
 136   /* No volume for mount: Ignore internal things */
 137   if (volume == NULL && !g_win32_mount_guess_should_display (mount_entry))
 138     return NULL;
 139 #endif
 140
 141   mount = g_object_new (G_TYPE_WIN32_MOUNT, NULL);
 142   mount->volume_monitor = volume_monitor != NULL ? g_object_ref (volume_monitor) : NULL;
 143   mount->mount_path = g_strdup (path);
 144   mount->drive_type = GetDriveType (drive);
 145   mount->can_eject = FALSE; /* TODO */
 146   mount->name = _win32_get_displayname (drive);
 147
 148   /* need to do this last */
 149   mount->volume = volume;
 150 #if 0
 151   if (volume != NULL)
 152     _g_win32_volume_set_mount (volume, mount);
 153 #endif
 154   return mount;
 155 }
 156
 157 void
 158 _g_win32_mount_unmounted (GWin32Mount *mount)
 159 {
 160   if (mount->volume != NULL)
 161     {
 162 #if 0
 163       _g_win32_volume_unset_mount (mount->volume, mount);
 164 #endif
 165       mount->volume = NULL;
 166       g_signal_emit_by_name (mount, "changed");
 167       /* there's really no need to emit mount_changed on the volume monitor
 168        * as we're going to be deleted.. */
 169     }
 170 }
 171
 172 void
 173 _g_win32_mount_unset_volume (GWin32Mount  *mount,
 174                              GWin32Volume *volume)
 175 {
 176   if (mount->volume == volume)
 177     {
 178       mount->volume = NULL;
 179       /* TODO: Emit changed in idle to avoid locking issues */
 180       g_signal_emit_by_name (mount, "changed");
 181       if (mount->volume_monitor != NULL)
 182         g_signal_emit_by_name (mount->volume_monitor, "mount-changed", mount);
 183     }
 184 }
 185
 186 static GFile *
 187 g_win32_mount_get_root (GMount *mount)
 188 {
 189   GWin32Mount *win32_mount = G_WIN32_MOUNT (mount);
 190
 191   return g_file_new_for_path (win32_mount->mount_path);
 192 }
 193
 194 static const char *
 195 _win32_drive_type_to_icon (int type, gboolean use_symbolic)
 196 {
 197   switch (type)
 198   {
 199   case DRIVE_REMOVABLE : return use_symbolic ? "drive-removable-media-symbolic" : "drive-removable-media";
 200   case DRIVE_FIXED : return use_symbolic ? "drive-harddisk-symbolic" : "drive-harddisk";
 201   case DRIVE_REMOTE : return use_symbolic ? "folder-remote-symbolic" : "folder-remote";
 202   case DRIVE_CDROM : return use_symbolic ? "drive-optical-symbolic" : "drive-optical";
 203   default : return use_symbolic ? "folder-symbolic" : "folder";
 204   }
 205 }
 206
 207 static GIcon *
 208 g_win32_mount_get_icon (GMount *mount)
 209 {
 210   GWin32Mount *win32_mount = G_WIN32_MOUNT (mount);
 211
 212   g_return_val_if_fail (win32_mount->mount_path != NULL, NULL);
 213
 214   /* lazy creation */
 215   if (!win32_mount->icon)
 216     {
 217       SHFILEINFOW shfi;
 218       wchar_t *wfn = g_utf8_to_utf16 (win32_mount->mount_path, -1, NULL, NULL, NULL);
 219
 220       if (SHGetFileInfoW (wfn, 0, &shfi, sizeof (shfi), SHGFI_ICONLOCATION))
 221         {
 222           gchar *name = g_utf16_to_utf8 (shfi.szDisplayName, -1, NULL, NULL, NULL);
 223           gchar *id = g_strdup_printf ("%s,%i", name, shfi.iIcon);
 224           win32_mount->icon = g_themed_icon_new (id);
 225           g_free (name);
 226           g_free (id);
 227         }
 228       else
 229         {
 230           win32_mount->icon = g_themed_icon_new_with_default_fallbacks (_win32_drive_type_to_icon (win32_mount->drive_type, FALSE));
 231         }
 232     }
 233
 234   return g_object_ref (win32_mount->icon);
 235 }
 236
 237 static GIcon *
 238 g_win32_mount_get_symbolic_icon (GMount *mount)
 239 {
 240   GWin32Mount *win32_mount = G_WIN32_MOUNT (mount);
 241
 242   g_return_val_if_fail (win32_mount->mount_path != NULL, NULL);
 243
 244   /* lazy creation */
 245   if (!win32_mount->symbolic_icon)
 246     {
 247       win32_mount->symbolic_icon = g_themed_icon_new_with_default_fallbacks (_win32_drive_type_to_icon (win32_mount->drive_type, TRUE));
 248     }
 249
 250   return g_object_ref (win32_mount->symbolic_icon);
 251 }
 252
 253 static char *
 254 g_win32_mount_get_uuid (GMount *mount)
 255 {
 256   return NULL;
 257 }
 258
 259 static char *
 260 g_win32_mount_get_name (GMount *mount)
 261 {
 262   GWin32Mount *win32_mount = G_WIN32_MOUNT (mount);
 263
 264   return g_strdup (win32_mount->name);
 265 }
 266
 267 static GDrive *
 268 g_win32_mount_get_drive (GMount *mount)
 269 {
 270   GWin32Mount *win32_mount = G_WIN32_MOUNT (mount);
 271
 272   if (win32_mount->volume != NULL)
 273     return g_volume_get_drive (G_VOLUME (win32_mount->volume));
 274
 275   return NULL;
 276 }
 277
 278 static GVolume *
 279 g_win32_mount_get_volume (GMount *mount)
 280 {
 281   GWin32Mount *win32_mount = G_WIN32_MOUNT (mount);
 282
 283   if (win32_mount->volume)
 284     return G_VOLUME (g_object_ref (win32_mount->volume));
 285
 286   return NULL;
 287 }
 288
 289 static gboolean
 290 g_win32_mount_can_unmount (GMount *mount)
 291 {
 292   return FALSE;
 293 }
 294
 295 static gboolean
 296 g_win32_mount_can_eject (GMount *mount)
 297 {
 298   GWin32Mount *win32_mount = G_WIN32_MOUNT (mount);
 299   return win32_mount->can_eject;
 300 }
 301
 302
 303 typedef struct {
 304   GWin32Mount *win32_mount;
 305   GAsyncReadyCallback callback;
 306   gpointer user_data;
 307   GCancellable *cancellable;
 308   int error_fd;
 309   GIOChannel *error_channel;
 310   guint error_channel_source_id;
 311   GString *error_string;
 312 } UnmountEjectOp;
 313
 314 static void
 315 g_win32_mount_unmount (GMount              *mount,
 316                        GMountUnmountFlags   flags,
 317                        GCancellable        *cancellable,
 318                        GAsyncReadyCallback  callback,
 319                        gpointer             user_data)
 320 {
 321 }
 322
 323 static gboolean
 324 g_win32_mount_unmount_finish (GMount        *mount,
 325                               GAsyncResult  *result,
 326                               GError       **error)
 327 {
 328   return FALSE;
 329 }
 330
 331 static void
 332 g_win32_mount_eject (GMount              *mount,
 333                      GMountUnmountFlags   flags,
 334                      GCancellable        *cancellable,
 335                      GAsyncReadyCallback  callback,
 336                      gpointer             user_data)
 337 {
 338 }
 339
 340 static gboolean
 341 g_win32_mount_eject_finish (GMount        *mount,
 342                             GAsyncResult  *result,
 343                             GError       **error)
 344 {
 345   return FALSE;
 346 }
 347
 348 static void
 349 g_win32_mount_mount_iface_init (GMountIface *iface)
 350 {
 351   iface->get_root = g_win32_mount_get_root;
 352   iface->get_name = g_win32_mount_get_name;
 353   iface->get_icon = g_win32_mount_get_icon;
 354   iface->get_symbolic_icon = g_win32_mount_get_symbolic_icon;
 355   iface->get_uuid = g_win32_mount_get_uuid;
 356   iface->get_drive = g_win32_mount_get_drive;
 357   iface->get_volume = g_win32_mount_get_volume;
 358   iface->can_unmount = g_win32_mount_can_unmount;
 359   iface->can_eject = g_win32_mount_can_eject;
 360   iface->unmount = g_win32_mount_unmount;
 361   iface->unmount_finish = g_win32_mount_unmount_finish;
 362   iface->eject = g_win32_mount_eject;
 363   iface->eject_finish = g_win32_mount_eject_finish;
 364 }