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/*
* Copyright (C) 2010 Michal Hruby <michal.mhr@gmail.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 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 program. If not, see <http://www.gnu.org/licenses/>.
*
* Authored by Michal Hruby <michal.mhr@gmail.com>
*
*/
namespace Synapse
{
public class VolumeService : GLib.Object
{
// singleton that can be easily destroyed
private static unowned VolumeService? instance;
public static VolumeService get_default ()
{
return instance ?? new VolumeService ();
}
private VolumeService ()
{
}
~VolumeService ()
{
instance = null;
}
private VolumeMonitor vm;
private Gee.Map<GLib.Volume, VolumeObject> volumes;
construct
{
instance = this;
volumes = new Gee.HashMap<GLib.Volume, VolumeObject> ();
initialize ();
}
protected void initialize ()
{
vm = VolumeMonitor.get ();
vm.volume_added.connect ((volume) =>
{
volumes[volume] = new VolumeObject (volume);
});
vm.volume_removed.connect ((volume) =>
{
volumes.unset (volume);
});
vm.mount_added.connect ((mount) =>
{
var volume = mount.get_volume ();
if (volume == null) return;
if (volume in volumes.keys) volumes[volume].update_state ();
});
// FIXME: connect also to other signals?
var volume_list = vm.get_volumes ();
process_volume_list (volume_list);
}
private void process_volume_list (GLib.List<GLib.Volume> volume_list)
{
foreach (unowned GLib.Volume volume in volume_list)
{
volumes[volume] = new VolumeObject (volume);
}
}
public Gee.Collection<VolumeObject> get_volumes ()
{
return volumes.values;
}
public string? uri_to_volume_name (string uri, out string? volume_path)
{
volume_path = null;
var g_volumes = volumes.keys;
var f = File.new_for_uri (uri);
// FIXME: cache this somehow
foreach (var volume in g_volumes)
{
File? root = volume.get_activation_root ();
if (root == null)
{
var mount = volume.get_mount ();
if (mount == null) continue;
root = mount.get_root ();
}
if (f.has_prefix (root))
{
volume_path = root.get_path ();
return volume.get_name ();
}
}
return null;
}
public class VolumeObject: Object, Match, UriMatch
{
public string title { get; construct set; }
public string description { get; set; }
public string icon_name { get; construct set; }
public bool has_thumbnail { get; construct set; }
public string thumbnail_path { get; construct set; }
public MatchType match_type { get; construct set; }
// UriMatch
public string uri { get; set; }
public QueryFlags file_type { get; set; }
public string mime_type { get; set; }
private ulong changed_signal_id;
private GLib.Volume _volume;
public GLib.Volume volume
{
get { return _volume; }
set
{
_volume = value;
title = value.get_name ();
description = ""; // FIXME
icon_name = value.get_icon ().to_string ();
has_thumbnail = false;
match_type = value.get_mount () != null ?
MatchType.GENERIC_URI : MatchType.ACTION;
if (match_type == MatchType.GENERIC_URI)
{
uri = value.get_mount ().get_root ().get_uri ();
file_type = QueryFlags.PLACES;
mime_type = ""; // FIXME: do we need this?
}
else
{
uri = null;
}
if (changed_signal_id == 0)
{
changed_signal_id = _volume.changed.connect (this.update_state);
}
Utils.Logger.debug (this, "vo[%p]: %s [%s], has_mount: %d, uri: %s", this, title, icon_name, (value.get_mount () != null ? 1 : 0), uri);
}
}
public void update_state ()
{
this.volume = _volume; // call setter again
}
public bool is_mounted ()
{
return _volume.get_mount () != null;
}
public VolumeObject (GLib.Volume volume)
{
Object (volume: volume);
}
~VolumeObject ()
{
if (changed_signal_id != 0)
{
SignalHandler.disconnect (_volume, changed_signal_id);
changed_signal_id = 0;
}
}
}
}
}
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