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//
// HardwareManager.cs
//
// Author:
// Timo Dörr <timo@latecrew.de>
//
// Copyright (C) 2012 Timo Dörr
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using MonoMac.AppKit;
using MonoMac.Foundation;
using Hyena;
using Banshee.Hardware;
using Banshee.Hardware.Osx;
using Banshee.Hardware.Osx.LowLevel;
using Banshee.ServiceStack;
namespace Banshee.OsxBackend
{
public sealed class HardwareManager : IHardwareManager, IService
{
public event DeviceAddedHandler DeviceAdded;
public event DeviceRemovedHandler DeviceRemoved;
private List<IDevice> devices = new List<IDevice> ();
private OsxDiskArbiter diskArbiter;
public HardwareManager ()
{
OsxService.GlobalInit ();
this.diskArbiter = new OsxDiskArbiter ();
diskArbiter.DeviceAppeared += DeviceAppeared;
diskArbiter.DeviceChanged += DeviceChanged;
diskArbiter.DeviceDisappeared += DeviceDisappeared;
diskArbiter.StartListening ();
}
private void DeviceAppeared (object o, DeviceArguments args)
{
Device device = new Device (args);
Hyena.Log.DebugFormat ("device appeared: {0}, path: {1}", device.Uuid,
args.DeviceProperties.GetStringValue ("DAVolumePath"));
lock (this) {
// only handle devices which have a VolumePath (=MountPoint)
if (!args.DeviceProperties.HasKey ("DAVolumePath")) {
return;
}
var protocol = args.DeviceProperties.GetStringValue ("DADeviceProtocol");
IDevice new_device = null;
if (!string.IsNullOrEmpty (protocol) && protocol == "USB") {
new_device = new UsbVolume (args);
} else {
new_device = new Volume (args, null);
}
// avoid adding a device twice - might happen since DeviceAppeared and DeviceChanged both fire
var old_device = devices.Where (v => { return v.Uuid == new_device.Uuid; }).FirstOrDefault ();
if (old_device != null) {
return;
}
if (new_device != null) {
devices.Add (new_device);
// Notify that a device was added (i.e. to refresh device list)
DeviceAdded (this, new DeviceAddedArgs ((IDevice) new_device));
}
}
}
private void DeviceChanged (object o, DeviceArguments args)
{
Device device = new Device (args);
Hyena.Log.DebugFormat ("device changed: {0}, path: {1}", device.Uuid,
args.DeviceProperties.GetStringValue ("DAVolumePath"));
lock (this) {
var old_device = devices.Where (d => d.Uuid == device.Uuid).FirstOrDefault ();
if (old_device != null) {
// a device that was currently attached has changed
// remove the device and immediately re-add it
devices.Remove (old_device);
DeviceRemoved (old_device, new DeviceRemovedArgs (old_device.Uuid));
}
// do not add device without a VolumePath (=MountPoint)
if (!args.DeviceProperties.HasKey ("DAVolumePath")) {
return;
}
IDevice new_device = null;
var protocol = args.DeviceProperties.GetStringValue ("DADeviceProtocol");
if (!string.IsNullOrEmpty (protocol) && protocol == "USB") {
new_device = new UsbVolume (args);
} else {
new_device = new Volume (args);
}
devices.Add (new_device);
DeviceAdded (this, new DeviceAddedArgs ((IDevice) new_device));
}
}
private void DeviceDisappeared (object o, DeviceArguments args)
{
Device device = new Device (args);
Hyena.Log.InformationFormat ("device disappeared: {0}, path: {1}", device.Uuid,
args.DeviceProperties.GetStringValue ("DAVolumePath"));
lock (this) {
var old_device = devices.Where (d => d.Uuid == device.Uuid).FirstOrDefault ();
if (old_device != null) {
devices.Remove (old_device);
DeviceRemoved (this, new DeviceRemovedArgs (old_device.Uuid));
}
}
}
public void Dispose ()
{
if (diskArbiter != null) {
diskArbiter.Dispose ();
}
}
public IEnumerable<IDevice> GetAllDevices ()
{
var l = devices.Where (v => { return v is Volume ; }).Select (v => v as IDevice);
return l;
}
public IEnumerable<IBlockDevice> GetAllBlockDevices ()
{
var l = devices.Where (v => { return v is Volume; }).Select (v => v as IBlockDevice);
return l;
}
public IEnumerable<ICdromDevice> GetAllCdromDevices ()
{
yield break;
}
public IEnumerable<IDiskDevice> GetAllDiskDevices ()
{
// cdrom / dvdrom currently not supported
return null;
}
#region IService implementation
public string ServiceName {
get { return "OS X HardwareManager"; }
}
#endregion
}
}
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