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glib/gio/gvolumemonitor.c
David Zeuthen 3ca9fd4dbb Rework how volumes, drives and volume monitoring is done. Previosly the 
2007-12-11  David Zeuthen  <davidz@redhat.com>

	Rework how volumes, drives and volume monitoring is
	done. Previosly the model was

	 GDrive <1-1> GVolume

	where a GDrive instance represented a mount point and a GVolume
	instance represented a mounted file system. This patch changes it
	the model to

		GDrive <1-N> GVolume <1-1> GMount

	where GMount now serves the purpose of the old GVolume and the new
	GVolume serves the purpose of the old GDrive. In addition the new
	GDrive interface is used to represent a collection of GVolume
	instances (typically partitions) and also contains utility to query
	the state of the physical drive the GDrive object represents (such
	as checking for media, polling the drive, ejecting the media etc.).

	Also implement mounting and unmounting in the Unix volume monitor
	backend. A subquent patch will introduce GDrive support for ejection
	of media.

	* Makefile.am:
	* gdrive.c: (g_drive_is_media_check_automatic),
	(g_drive_is_media_removable), (g_drive_has_media),
	(g_drive_can_poll_for_media), (g_drive_eject),
	(g_drive_eject_finish), (g_drive_poll_for_media),
	(g_drive_poll_for_media_finish):
	* gdrive.h:
	* gfile.c: (g_file_find_enclosing_mount):
	* gfile.h:
	* gio.symbols:
	* glocaldirectorymonitor.c:
	(g_local_directory_monitor_constructor), (mounts_changed):
	* glocalfile.c: (get_mount_info),
	(g_local_file_find_enclosing_mount),
	(g_local_file_file_iface_init):
	* gnativevolumemonitor.h:
	* gunionvolumemonitor.c: (get_mounts), (get_volumes),
	(get_connected_drives), (g_union_volume_monitor_class_init),
	(child_volume_added), (child_volume_removed),
	(child_volume_changed), (child_mount_added), (child_mount_removed),
	(child_mount_pre_unmount), (child_mount_changed),
	(child_drive_changed), (g_union_volume_monitor_add_monitor),
	(g_union_volume_monitor_remove_monitor),
	(_g_mount_get_for_mount_path):
	* gunixmounts.c: (g_unix_is_mount_path_system_internal),
	(guess_system_internal), (_g_get_unix_mounts),
	(_g_get_unix_mount_points), (g_get_unix_mount_at),
	(g_unix_mount_free), (g_unix_mount_compare),
	(g_unix_mount_get_mount_path), (g_unix_mount_get_device_path),
	(g_unix_mount_get_fs_type), (g_unix_mount_is_readonly),
	(g_unix_mount_is_system_internal), (g_unix_mount_guess_type),
	(type_to_icon), (g_unix_mount_guess_name),
	(g_unix_mount_guess_icon), (g_unix_mount_point_guess_name),
	(g_unix_mount_point_guess_icon), (_canonicalize_filename),
	(_resolve_symlink), (_resolve_dev_root):
	* gunixmounts.h:
	* gunixvolume.c: (g_unix_volume_finalize), (_g_unix_volume_new),
	(_g_unix_volume_disconnected), (_g_unix_volume_set_mount),
	(_g_unix_volume_unset_mount), (g_unix_volume_get_icon),
	(g_unix_volume_get_name), (g_unix_volume_can_mount),
	(g_unix_volume_get_drive), (g_unix_volume_get_mount),
	(_g_unix_volume_has_mount_path), (mount_cb), (mount_read_error),
	(g_unix_volume_mount), (g_unix_volume_mount_finish),
	(g_unix_volume_volume_iface_init):
	* gunixvolume.h:
	* gunixvolumemonitor.c: (g_unix_volume_monitor_finalize),
	(get_mounts), (get_volumes), (get_connected_drives),
	(get_mount_for_mount_path), (g_unix_volume_monitor_class_init),
	(mountpoints_changed), (mounts_changed),
	(g_unix_volume_monitor_init),
	(_g_unix_volume_monitor_lookup_volume_for_mount_path),
	(find_mount_by_mountpath), (update_volumes), (update_mounts):
	* gunixvolumemonitor.h:
	* gvolume.c: (g_volume_get_mount), (g_volume_can_mount),
	(g_volume_mount), (g_volume_mount_finish):
	* gvolume.h:
	* gvolumemonitor.c: (g_volume_monitor_class_init),
	(g_volume_monitor_get_connected_drives),
	(g_volume_monitor_get_volumes), (g_volume_monitor_get_mounts):
	* gvolumemonitor.h:


svn path=/trunk/; revision=6095
2007-12-11 21:23:55 +00:00

295 lines
9.8 KiB
C
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/* GIO - GLib Input, Output and Streaming Library
*
* Copyright (C) 2006-2007 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307, USA.
*
* Author: Alexander Larsson <alexl@redhat.com>
* David Zeuthen <davidz@redhat.com>
*/
#include <config.h>
#include "gvolumemonitor.h"
#include "glibintl.h"
#include "gioalias.h"
/**
* SECTION:gvolumemonitor
* @short_description: Volume Monitor
* @see_also: #GDirectoryMonitor, #GFileMonitor
*
* Monitors a mounted volume for changes.
**/
G_DEFINE_TYPE (GVolumeMonitor, g_volume_monitor, G_TYPE_OBJECT);
enum {
VOLUME_ADDED,
VOLUME_REMOVED,
VOLUME_CHANGED,
MOUNT_ADDED,
MOUNT_REMOVED,
MOUNT_PRE_UNMOUNT,
MOUNT_CHANGED,
DRIVE_CONNECTED,
DRIVE_DISCONNECTED,
DRIVE_CHANGED,
LAST_SIGNAL
};
static guint signals[LAST_SIGNAL] = { 0 };
static void
g_volume_monitor_finalize (GObject *object)
{
GVolumeMonitor *monitor;
monitor = G_VOLUME_MONITOR (object);
if (G_OBJECT_CLASS (g_volume_monitor_parent_class)->finalize)
(*G_OBJECT_CLASS (g_volume_monitor_parent_class)->finalize) (object);
}
static void
g_volume_monitor_class_init (GVolumeMonitorClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
gobject_class->finalize = g_volume_monitor_finalize;
/**
* GVolumeMonitor::volume-added:
* @volume_monitor: The volume monitor emitting the signal.
* @volume: a #GVolume that was added.
*
* Emitted when a mountable volume is added to the system.
**/
signals[VOLUME_ADDED] = g_signal_new (I_("volume_added"),
G_TYPE_VOLUME_MONITOR,
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GVolumeMonitorClass, volume_added),
NULL, NULL,
g_cclosure_marshal_VOID__OBJECT,
G_TYPE_NONE, 1, G_TYPE_VOLUME);
/**
* GVolumeMonitor::volume-removed:
* @volume_monitor: The volume monitor emitting the signal.
* @volume: a #GVolume that was removed.
*
* Emitted when a mountable volume is removed from the system.
**/
signals[VOLUME_REMOVED] = g_signal_new (I_("volume_removed"),
G_TYPE_VOLUME_MONITOR,
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GVolumeMonitorClass, volume_removed),
NULL, NULL,
g_cclosure_marshal_VOID__OBJECT,
G_TYPE_NONE, 1, G_TYPE_VOLUME);
/**
* GVolumeMonitor::volume-changed:
* @volume_monitor: The volume monitor emitting the signal.
* @volume: a #GVolume that changed.
*
* Emitted when mountable volume is changed.
**/
signals[VOLUME_CHANGED] = g_signal_new (I_("volume_changed"),
G_TYPE_VOLUME_MONITOR,
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GVolumeMonitorClass, volume_changed),
NULL, NULL,
g_cclosure_marshal_VOID__OBJECT,
G_TYPE_NONE, 1, G_TYPE_VOLUME);
/**
* GVolumeMonitor::mount-added:
* @volume_monitor: The volume monitor emitting the signal.
* @mount: a #GMount that was added.
*
* Emitted when a mount is added.
**/
signals[MOUNT_ADDED] = g_signal_new (I_("mount_added"),
G_TYPE_VOLUME_MONITOR,
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GVolumeMonitorClass, mount_added),
NULL, NULL,
g_cclosure_marshal_VOID__OBJECT,
G_TYPE_NONE, 1, G_TYPE_MOUNT);
/**
* GVolumeMonitor::mount-removed:
* @volume_monitor: The volume monitor emitting the signal.
* @mount: a #GMount that was removed.
*
* Emitted when a mount is removed.
**/
signals[MOUNT_REMOVED] = g_signal_new (I_("mount_removed"),
G_TYPE_VOLUME_MONITOR,
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GVolumeMonitorClass, mount_removed),
NULL, NULL,
g_cclosure_marshal_VOID__OBJECT,
G_TYPE_NONE, 1, G_TYPE_MOUNT);
/**
* GVolumeMonitor::mount-pre-unmount:
* @volume_monitor: The volume monitor emitting the signal.
* @mount: a #GMount that is being unmounted.
*
* Emitted when a mount is about to be removed.
**/
signals[MOUNT_PRE_UNMOUNT] = g_signal_new (I_("mount_pre_unmount"),
G_TYPE_VOLUME_MONITOR,
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GVolumeMonitorClass, mount_pre_unmount),
NULL, NULL,
g_cclosure_marshal_VOID__OBJECT,
G_TYPE_NONE, 1, G_TYPE_MOUNT);
/**
* GVolumeMonitor::mount-changed:
* @volume_monitor: The volume monitor emitting the signal.
* @mount: a #GMount that changed.
*
* Emitted when a mount changes.
**/
signals[MOUNT_CHANGED] = g_signal_new (I_("mount_changed"),
G_TYPE_VOLUME_MONITOR,
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GVolumeMonitorClass, mount_changed),
NULL, NULL,
g_cclosure_marshal_VOID__OBJECT,
G_TYPE_NONE, 1, G_TYPE_MOUNT);
/**
* GVolumeMonitor::drive-connected:
* @volume_monitor: The volume monitor emitting the signal.
* @drive: a #GDrive that was connected.
*
* Emitted when a drive is connected to the system.
**/
signals[DRIVE_CONNECTED] = g_signal_new (I_("drive_connected"),
G_TYPE_VOLUME_MONITOR,
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GVolumeMonitorClass, drive_connected),
NULL, NULL,
g_cclosure_marshal_VOID__OBJECT,
G_TYPE_NONE, 1, G_TYPE_DRIVE);
/**
* GVolumeMonitor::drive-disconnected:
* @volume_monitor: The volume monitor emitting the signal.
* @drive: a #GDrive that was disconnected.
*
* Emitted when a drive is disconnected from the system.
**/
signals[DRIVE_DISCONNECTED] = g_signal_new (I_("drive_disconnected"),
G_TYPE_VOLUME_MONITOR,
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GVolumeMonitorClass, drive_disconnected),
NULL, NULL,
g_cclosure_marshal_VOID__OBJECT,
G_TYPE_NONE, 1, G_TYPE_DRIVE);
/**
* GVolumeMonitor::drive-changed:
* @volume_monitor: The volume monitor emitting the signal.
* @drive: the drive that changed
*
* Emitted when a drive changes.
**/
signals[DRIVE_CHANGED] = g_signal_new (I_("drive_changed"),
G_TYPE_VOLUME_MONITOR,
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GVolumeMonitorClass, drive_changed),
NULL, NULL,
g_cclosure_marshal_VOID__OBJECT,
G_TYPE_NONE, 1, G_TYPE_DRIVE);
}
static void
g_volume_monitor_init (GVolumeMonitor *monitor)
{
}
/**
* g_volume_monitor_get_drives:
* @volume_monitor: a #GVolumeMonitor.
*
* Gets a list of drives connected to the system.
*
* Returns: a #GList of connected #GDrives.
**/
GList *
g_volume_monitor_get_connected_drives (GVolumeMonitor *volume_monitor)
{
GVolumeMonitorClass *class;
g_return_val_if_fail (G_IS_VOLUME_MONITOR (volume_monitor), NULL);
class = G_VOLUME_MONITOR_GET_CLASS (volume_monitor);
return class->get_connected_drives (volume_monitor);
}
/**
* g_volume_monitor_get_volumes:
* @volume_monitor: a #GVolumeMonitor.
*
* Gets a list of the volumes on the system.
*
* Returns: a #GList of #GVolume.
**/
GList *
g_volume_monitor_get_volumes (GVolumeMonitor *volume_monitor)
{
GVolumeMonitorClass *class;
g_return_val_if_fail (G_IS_VOLUME_MONITOR (volume_monitor), NULL);
class = G_VOLUME_MONITOR_GET_CLASS (volume_monitor);
return class->get_volumes (volume_monitor);
}
/**
* g_volume_monitor_get_mounts:
* @volume_monitor: a #GVolumeMonitor.
*
* Gets a list of the mounts on the system.
*
* Returns: a #GList of #GMount.
**/
GList *
g_volume_monitor_get_mounts (GVolumeMonitor *volume_monitor)
{
GVolumeMonitorClass *class;
g_return_val_if_fail (G_IS_VOLUME_MONITOR (volume_monitor), NULL);
class = G_VOLUME_MONITOR_GET_CLASS (volume_monitor);
return class->get_mounts (volume_monitor);
}
#define __G_VOLUME_MONITOR_C__
#include "gioaliasdef.c"
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