gio/gvolumemonitor.c

   1 /* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
   2
   3 /* GIO - GLib Input, Output and Streaming Library
   4  *
   5  * Copyright (C) 2006-2007 Red Hat, Inc.
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General
  18  * Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
  19  *
  20  * Author: Alexander Larsson <alexl@redhat.com>
  21  *         David Zeuthen <davidz@redhat.com>
  22  */
  23
  24 #include "config.h"
  25 #include "gvolumemonitor.h"
  26 #include "gvolume.h"
  27 #include "gmount.h"
  28 #include "gdrive.h"
  29 #include "glibintl.h"
  30
  31
  32 /**
  33  * SECTION:gvolumemonitor
  34  * @short_description: Volume Monitor
  35  * @include: gio/gio.h
  36  * @see_also: #GFileMonitor
  37  *
  38  * #GVolumeMonitor is for listing the user interesting devices and volumes
  39  * on the computer. In other words, what a file selector or file manager
  40  * would show in a sidebar.
  41  *
  42  * #GVolumeMonitor is not
  43  * [thread-default-context aware][g-main-context-push-thread-default],
  44  * and so should not be used other than from the main thread, with no
  45  * thread-default-context active.
  46  **/
  47
  48 G_DEFINE_TYPE (GVolumeMonitor, g_volume_monitor, G_TYPE_OBJECT);
  49
  50 enum {
  51   VOLUME_ADDED,
  52   VOLUME_REMOVED,
  53   VOLUME_CHANGED,
  54   MOUNT_ADDED,
  55   MOUNT_REMOVED,
  56   MOUNT_PRE_UNMOUNT,
  57   MOUNT_CHANGED,
  58   DRIVE_CONNECTED,
  59   DRIVE_DISCONNECTED,
  60   DRIVE_CHANGED,
  61   DRIVE_EJECT_BUTTON,
  62   DRIVE_STOP_BUTTON,
  63   LAST_SIGNAL
  64 };
  65
  66 static guint signals[LAST_SIGNAL] = { 0 };
  67
  68
  69 static void
  70 g_volume_monitor_finalize (GObject *object)
  71 {
  72   G_OBJECT_CLASS (g_volume_monitor_parent_class)->finalize (object);
  73 }
  74
  75 static void
  76 g_volume_monitor_class_init (GVolumeMonitorClass *klass)
  77 {
  78   GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
  79
  80   gobject_class->finalize = g_volume_monitor_finalize;
  81
  82   /**
  83    * GVolumeMonitor::volume-added:
  84    * @volume_monitor: The volume monitor emitting the signal.
  85    * @volume: a #GVolume that was added.
  86    *
  87    * Emitted when a mountable volume is added to the system.
  88    **/
  89   signals[VOLUME_ADDED] = g_signal_new (I_("volume-added"),
  90                                         G_TYPE_VOLUME_MONITOR,
  91                                         G_SIGNAL_RUN_LAST,
  92                                         G_STRUCT_OFFSET (GVolumeMonitorClass, volume_added),
  93                                         NULL, NULL,
  94                                         g_cclosure_marshal_VOID__OBJECT,
  95                                         G_TYPE_NONE, 1, G_TYPE_VOLUME);
  96
  97   /**
  98    * GVolumeMonitor::volume-removed:
  99    * @volume_monitor: The volume monitor emitting the signal.
 100    * @volume: a #GVolume that was removed.
 101    *
 102    * Emitted when a mountable volume is removed from the system.
 103    **/
 104   signals[VOLUME_REMOVED] = g_signal_new (I_("volume-removed"),
 105                                           G_TYPE_VOLUME_MONITOR,
 106                                           G_SIGNAL_RUN_LAST,
 107                                           G_STRUCT_OFFSET (GVolumeMonitorClass, volume_removed),
 108                                           NULL, NULL,
 109                                           g_cclosure_marshal_VOID__OBJECT,
 110                                           G_TYPE_NONE, 1, G_TYPE_VOLUME);
 111
 112   /**
 113    * GVolumeMonitor::volume-changed:
 114    * @volume_monitor: The volume monitor emitting the signal.
 115    * @volume: a #GVolume that changed.
 116    *
 117    * Emitted when mountable volume is changed.
 118    **/
 119   signals[VOLUME_CHANGED] = g_signal_new (I_("volume-changed"),
 120                                           G_TYPE_VOLUME_MONITOR,
 121                                           G_SIGNAL_RUN_LAST,
 122                                           G_STRUCT_OFFSET (GVolumeMonitorClass, volume_changed),
 123                                           NULL, NULL,
 124                                           g_cclosure_marshal_VOID__OBJECT,
 125                                           G_TYPE_NONE, 1, G_TYPE_VOLUME);
 126
 127   /**
 128    * GVolumeMonitor::mount-added:
 129    * @volume_monitor: The volume monitor emitting the signal.
 130    * @mount: a #GMount that was added.
 131    *
 132    * Emitted when a mount is added.
 133    **/
 134   signals[MOUNT_ADDED] = g_signal_new (I_("mount-added"),
 135                                        G_TYPE_VOLUME_MONITOR,
 136                                        G_SIGNAL_RUN_LAST,
 137                                        G_STRUCT_OFFSET (GVolumeMonitorClass, mount_added),
 138                                        NULL, NULL,
 139                                        g_cclosure_marshal_VOID__OBJECT,
 140                                        G_TYPE_NONE, 1, G_TYPE_MOUNT);
 141
 142   /**
 143    * GVolumeMonitor::mount-removed:
 144    * @volume_monitor: The volume monitor emitting the signal.
 145    * @mount: a #GMount that was removed.
 146    *
 147    * Emitted when a mount is removed.
 148    **/
 149   signals[MOUNT_REMOVED] = g_signal_new (I_("mount-removed"),
 150                                          G_TYPE_VOLUME_MONITOR,
 151                                          G_SIGNAL_RUN_LAST,
 152                                          G_STRUCT_OFFSET (GVolumeMonitorClass, mount_removed),
 153                                          NULL, NULL,
 154                                          g_cclosure_marshal_VOID__OBJECT,
 155                                          G_TYPE_NONE, 1, G_TYPE_MOUNT);
 156
 157   /**
 158    * GVolumeMonitor::mount-pre-unmount:
 159    * @volume_monitor: The volume monitor emitting the signal.
 160    * @mount: a #GMount that is being unmounted.
 161    *
 162    * Emitted when a mount is about to be removed.
 163    **/
 164   signals[MOUNT_PRE_UNMOUNT] = g_signal_new (I_("mount-pre-unmount"),
 165                                              G_TYPE_VOLUME_MONITOR,
 166                                              G_SIGNAL_RUN_LAST,
 167                                              G_STRUCT_OFFSET (GVolumeMonitorClass, mount_pre_unmount),
 168                                              NULL, NULL,
 169                                              g_cclosure_marshal_VOID__OBJECT,
 170                                              G_TYPE_NONE, 1, G_TYPE_MOUNT);
 171
 172   /**
 173    * GVolumeMonitor::mount-changed:
 174    * @volume_monitor: The volume monitor emitting the signal.
 175    * @mount: a #GMount that changed.
 176    *
 177    * Emitted when a mount changes.
 178    **/
 179   signals[MOUNT_CHANGED] = g_signal_new (I_("mount-changed"),
 180                                          G_TYPE_VOLUME_MONITOR,
 181                                          G_SIGNAL_RUN_LAST,
 182                                          G_STRUCT_OFFSET (GVolumeMonitorClass, mount_changed),
 183                                          NULL, NULL,
 184                                          g_cclosure_marshal_VOID__OBJECT,
 185                                          G_TYPE_NONE, 1, G_TYPE_MOUNT);
 186
 187   /**
 188    * GVolumeMonitor::drive-connected:
 189    * @volume_monitor: The volume monitor emitting the signal.
 190    * @drive: a #GDrive that was connected.
 191    *
 192    * Emitted when a drive is connected to the system.
 193    **/
 194   signals[DRIVE_CONNECTED] = g_signal_new (I_("drive-connected"),
 195                                            G_TYPE_VOLUME_MONITOR,
 196                                            G_SIGNAL_RUN_LAST,
 197                                            G_STRUCT_OFFSET (GVolumeMonitorClass, drive_connected),
 198                                            NULL, NULL,
 199                                            g_cclosure_marshal_VOID__OBJECT,
 200                                            G_TYPE_NONE, 1, G_TYPE_DRIVE);
 201
 202   /**
 203    * GVolumeMonitor::drive-disconnected:
 204    * @volume_monitor: The volume monitor emitting the signal.
 205    * @drive: a #GDrive that was disconnected.
 206    *
 207    * Emitted when a drive is disconnected from the system.
 208    **/
 209   signals[DRIVE_DISCONNECTED] = g_signal_new (I_("drive-disconnected"),
 210                                               G_TYPE_VOLUME_MONITOR,
 211                                               G_SIGNAL_RUN_LAST,
 212                                               G_STRUCT_OFFSET (GVolumeMonitorClass, drive_disconnected),
 213                                               NULL, NULL,
 214                                               g_cclosure_marshal_VOID__OBJECT,
 215                                               G_TYPE_NONE, 1, G_TYPE_DRIVE);
 216
 217   /**
 218    * GVolumeMonitor::drive-changed:
 219    * @volume_monitor: The volume monitor emitting the signal.
 220    * @drive: the drive that changed
 221    *
 222    * Emitted when a drive changes.
 223    **/
 224   signals[DRIVE_CHANGED] = g_signal_new (I_("drive-changed"),
 225                                          G_TYPE_VOLUME_MONITOR,
 226                                          G_SIGNAL_RUN_LAST,
 227                                          G_STRUCT_OFFSET (GVolumeMonitorClass, drive_changed),
 228                                          NULL, NULL,
 229                                          g_cclosure_marshal_VOID__OBJECT,
 230                                          G_TYPE_NONE, 1, G_TYPE_DRIVE);
 231
 232   /**
 233    * GVolumeMonitor::drive-eject-button:
 234    * @volume_monitor: The volume monitor emitting the signal.
 235    * @drive: the drive where the eject button was pressed
 236    *
 237    * Emitted when the eject button is pressed on @drive.
 238    *
 239    * Since: 2.18
 240    **/
 241   signals[DRIVE_EJECT_BUTTON] = g_signal_new (I_("drive-eject-button"),
 242                                               G_TYPE_VOLUME_MONITOR,
 243                                               G_SIGNAL_RUN_LAST,
 244                                               G_STRUCT_OFFSET (GVolumeMonitorClass, drive_eject_button),
 245                                               NULL, NULL,
 246                                               g_cclosure_marshal_VOID__OBJECT,
 247                                               G_TYPE_NONE, 1, G_TYPE_DRIVE);
 248
 249   /**
 250    * GVolumeMonitor::drive-stop-button:
 251    * @volume_monitor: The volume monitor emitting the signal.
 252    * @drive: the drive where the stop button was pressed
 253    *
 254    * Emitted when the stop button is pressed on @drive.
 255    *
 256    * Since: 2.22
 257    **/
 258   signals[DRIVE_STOP_BUTTON] = g_signal_new (I_("drive-stop-button"),
 259                                              G_TYPE_VOLUME_MONITOR,
 260                                              G_SIGNAL_RUN_LAST,
 261                                              G_STRUCT_OFFSET (GVolumeMonitorClass, drive_stop_button),
 262                                              NULL, NULL,
 263                                              g_cclosure_marshal_VOID__OBJECT,
 264                                              G_TYPE_NONE, 1, G_TYPE_DRIVE);
 265
 266 }
 267
 268 static void
 269 g_volume_monitor_init (GVolumeMonitor *monitor)
 270 {
 271 }
 272
 273
 274 /**
 275  * g_volume_monitor_get_connected_drives:
 276  * @volume_monitor: a #GVolumeMonitor.
 277  *
 278  * Gets a list of drives connected to the system.
 279  *
 280  * The returned list should be freed with g_list_free(), after
 281  * its elements have been unreffed with g_object_unref().
 282  *
 283  * Returns: (element-type GDrive) (transfer full): a #GList of connected #GDrive objects.
 284  **/
 285 GList *
 286 g_volume_monitor_get_connected_drives (GVolumeMonitor *volume_monitor)
 287 {
 288   GVolumeMonitorClass *class;
 289
 290   g_return_val_if_fail (G_IS_VOLUME_MONITOR (volume_monitor), NULL);
 291
 292   class = G_VOLUME_MONITOR_GET_CLASS (volume_monitor);
 293
 294   return class->get_connected_drives (volume_monitor);
 295 }
 296
 297 /**
 298  * g_volume_monitor_get_volumes:
 299  * @volume_monitor: a #GVolumeMonitor.
 300  *
 301  * Gets a list of the volumes on the system.
 302  *
 303  * The returned list should be freed with g_list_free(), after
 304  * its elements have been unreffed with g_object_unref().
 305  *
 306  * Returns: (element-type GVolume) (transfer full): a #GList of #GVolume objects.
 307  **/
 308 GList *
 309 g_volume_monitor_get_volumes (GVolumeMonitor *volume_monitor)
 310 {
 311   GVolumeMonitorClass *class;
 312
 313   g_return_val_if_fail (G_IS_VOLUME_MONITOR (volume_monitor), NULL);
 314
 315   class = G_VOLUME_MONITOR_GET_CLASS (volume_monitor);
 316
 317   return class->get_volumes (volume_monitor);
 318 }
 319
 320 /**
 321  * g_volume_monitor_get_mounts:
 322  * @volume_monitor: a #GVolumeMonitor.
 323  *
 324  * Gets a list of the mounts on the system.
 325  *
 326  * The returned list should be freed with g_list_free(), after
 327  * its elements have been unreffed with g_object_unref().
 328  *
 329  * Returns: (element-type GMount) (transfer full): a #GList of #GMount objects.
 330  **/
 331 GList *
 332 g_volume_monitor_get_mounts (GVolumeMonitor *volume_monitor)
 333 {
 334   GVolumeMonitorClass *class;
 335
 336   g_return_val_if_fail (G_IS_VOLUME_MONITOR (volume_monitor), NULL);
 337
 338   class = G_VOLUME_MONITOR_GET_CLASS (volume_monitor);
 339
 340   return class->get_mounts (volume_monitor);
 341 }
 342
 343 /**
 344  * g_volume_monitor_get_volume_for_uuid:
 345  * @volume_monitor: a #GVolumeMonitor.
 346  * @uuid: the UUID to look for
 347  *
 348  * Finds a #GVolume object by its UUID (see g_volume_get_uuid())
 349  *
 350  * Returns: (transfer full): a #GVolume or %NULL if no such volume is available.
 351  *     Free the returned object with g_object_unref().
 352  **/
 353 GVolume *
 354 g_volume_monitor_get_volume_for_uuid (GVolumeMonitor *volume_monitor,
 355                                       const char     *uuid)
 356 {
 357   GVolumeMonitorClass *class;
 358
 359   g_return_val_if_fail (G_IS_VOLUME_MONITOR (volume_monitor), NULL);
 360   g_return_val_if_fail (uuid != NULL, NULL);
 361
 362   class = G_VOLUME_MONITOR_GET_CLASS (volume_monitor);
 363
 364   return class->get_volume_for_uuid (volume_monitor, uuid);
 365 }
 366
 367 /**
 368  * g_volume_monitor_get_mount_for_uuid:
 369  * @volume_monitor: a #GVolumeMonitor.
 370  * @uuid: the UUID to look for
 371  *
 372  * Finds a #GMount object by its UUID (see g_mount_get_uuid())
 373  *
 374  * Returns: (transfer full): a #GMount or %NULL if no such mount is available.
 375  *     Free the returned object with g_object_unref().
 376  **/
 377 GMount *
 378 g_volume_monitor_get_mount_for_uuid (GVolumeMonitor *volume_monitor,
 379                                      const char     *uuid)
 380 {
 381   GVolumeMonitorClass *class;
 382
 383   g_return_val_if_fail (G_IS_VOLUME_MONITOR (volume_monitor), NULL);
 384   g_return_val_if_fail (uuid != NULL, NULL);
 385
 386   class = G_VOLUME_MONITOR_GET_CLASS (volume_monitor);
 387
 388   return class->get_mount_for_uuid (volume_monitor, uuid);
 389 }