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/*
* Desktop Agnostic Library: VFS Volume implementation (GNOME VFS).
*
* Copyright (C) 2009 Mark Lee <libdesktop-agnostic@lazymalevolence.com>
*
* 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 2.1 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Author : Mark Lee <libdesktop-agnostic@lazymalevolence.com>
*/
using DesktopAgnostic.VFS;
namespace DesktopAgnostic.VFS
{
private struct VolumeResult
{
public bool succeeded;
public string error;
public string detailed_error;
}
public class VolumeGnomeVFS : Object, Volume
{
private GnomeVFS.Drive drive;
public GnomeVFS.Drive implementation
{
construct
{
this.drive = value;
}
}
public string name
{
get
{
return this.drive.get_display_name ();
}
}
private File _uri;
public File uri
{
get
{
if (this._uri == null)
{
string activation_uri = this.drive.get_activation_uri ();
this._uri = file_new_for_uri (activation_uri);
}
return this._uri;
}
}
public string? icon
{
owned get
{
return this.drive.get_icon ();
}
}
public bool
is_mounted ()
{
return this.drive.is_mounted ();
}
private VolumeResult? result;
private Volume.Callback _mount_callback;
private void
on_drive_mounted (bool succeeded, string error, string detailed_error)
{
this.result = VolumeResult ();
result.succeeded = succeeded;
result.error = error;
result.detailed_error = detailed_error;
this._mount_callback ();
this._mount_callback = null;
}
public void
mount (Volume.Callback callback)
{
if (this._mount_callback == null)
{
this._mount_callback = callback;
this.drive.mount ((GnomeVFS.VolumeOpCallback)this.on_drive_mounted);
}
}
public bool
mount_finish () throws VolumeError
{
bool result = this.result.succeeded;
if (!result)
{
string msg = "%s (%s)".printf (this.result.error,
this.result.detailed_error);
this.result = null;
throw new VolumeError.MOUNT (msg);
}
this.result = null;
return result;
}
private Volume.Callback _unmount_callback;
private void
on_drive_unmounted (bool succeeded, string error, string detailed_error)
{
this.result = VolumeResult ();
result.succeeded = succeeded;
result.error = error;
result.detailed_error = detailed_error;
this._unmount_callback ();
this._unmount_callback = null;
}
public void
unmount (Volume.Callback callback)
{
if (this._unmount_callback == null)
{
this._unmount_callback = callback;
this.drive.unmount ((GnomeVFS.VolumeOpCallback)this.on_drive_unmounted);
}
}
public bool
unmount_finish () throws VolumeError
{
bool result = this.result.succeeded;
if (!result)
{
string msg = "%s (%s)".printf (this.result.error,
this.result.detailed_error);
this.result = null;
throw new VolumeError.UNMOUNT (msg);
}
this.result = null;
return result;
}
public bool
can_eject ()
{
return true;
}
private Volume.Callback _eject_callback;
private void
on_drive_ejected (bool succeeded, string error, string detailed_error)
{
this.result = VolumeResult ();
result.succeeded = succeeded;
result.error = error;
result.detailed_error = detailed_error;
this._eject_callback ();
this._eject_callback = null;
}
public void
eject (Volume.Callback callback)
{
if (this._eject_callback == null)
{
this._eject_callback = callback;
this.drive.eject ((GnomeVFS.VolumeOpCallback)this.on_drive_ejected);
}
}
public bool
eject_finish () throws VolumeError
{
bool result = this.result.succeeded;
if (!result)
{
string msg = "%s (%s)".printf (this.result.error,
this.result.detailed_error);
this.result = null;
throw new VolumeError.EJECT (msg);
}
this.result = null;
return result;
}
}
public class VolumeMonitorGnomeVFS : Object, VolumeMonitor
{
private GnomeVFS.VolumeMonitor monitor;
private HashTable<GnomeVFS.Drive,VFS.Volume> _volumes;
construct
{
this.monitor = GnomeVFS.get_volume_monitor ();
this._volumes = new HashTable<GnomeVFS.Drive,VFS.Volume> (direct_hash,
direct_equal);
unowned List<GnomeVFS.Drive> drives =
this.monitor.get_connected_drives ();
foreach (unowned GnomeVFS.Drive drive in drives)
{
VFS.Volume vol = this.create_volume (drive);
this._volumes.insert (drive, vol);
}
this.monitor.drive_connected += this.on_drive_connected;
this.monitor.drive_disconnected += this.on_drive_disconnected;
this.monitor.volume_mounted += this.on_volume_mounted;
this.monitor.volume_unmounted += this.on_volume_unmounted;
}
private VFS.Volume
create_volume (GnomeVFS.Drive drive)
{
return (VFS.Volume)Object.new (typeof (VolumeGnomeVFS),
"implementation", drive);
}
private VFS.Volume
check_volume (GnomeVFS.Drive drive)
{
VFS.Volume? vol = this._volumes.lookup (drive);
if (vol == null)
{
vol = this.create_volume (drive);
this._volumes.insert (drive, vol);
}
return vol;
}
private void on_drive_connected (GnomeVFS.VolumeMonitor vmonitor,
GnomeVFS.Drive drive)
{
this.check_volume (drive);
}
private void
on_drive_disconnected (GnomeVFS.VolumeMonitor vmonitor,
GnomeVFS.Drive drive)
{
VFS.Volume? vol = this._volumes.lookup (drive);
if (vol != null)
{
this._volumes.remove (drive);
}
}
private VFS.Volume
get_volume (GnomeVFS.Volume gvol)
{
return this.check_volume (gvol.get_drive ());
}
private void
on_volume_mounted (GnomeVFS.VolumeMonitor vmonitor,
GnomeVFS.Volume gvol)
{
this.volume_mounted (this.get_volume (gvol));
}
private void
on_volume_unmounted (GnomeVFS.VolumeMonitor vmonitor,
GnomeVFS.Volume gvol)
{
this.volume_unmounted (this.get_volume (gvol));
}
public void* implementation
{
get
{
return (void*)this.monitor;
}
}
public List<VFS.Volume> volumes
{
owned get
{
return this._volumes.get_values ();
}
}
}
}
// vim: set et ts=2 sts=2 sw=2 ai :
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