//
// NetworkManager.cs: Uses NetworkManager to keep track of if you're connected
//                    to the internet or not.
//
// Author:
//   Aaron Bockover <abockover@novell.com>
//
// Copyright (C) 2005-2008 Novell, Inc.
//
// This file was copied from Banshee - http://banshee-project.org/
//
// 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.Reflection;
using System.Collections;
using System.Collections.Generic;

using NDesk.DBus;

using Synapse.Core;
using Synapse.ServiceStack;

namespace Synapse.Services
{
    public enum NetworkState : uint {
        Unknown = 0,
        Asleep,
        Connecting,
        Connected,
        Disconnected
    }
	
	public enum DeviceType : uint {
		Unknown = 0,
		Ethernet,
		Wireless
	}
    
    [Interface("org.freedesktop.NetworkManager")]
    internal interface INetworkManager
    {
        event NetworkStateChangeHandler StateChange;
        NetworkState state ();
		bool get_wireless_enabled ();
    }
    
    public delegate void NetworkStateChangeHandler (NetworkState state);
    
    public class NetworkService : IService, IDelayedInitializeService
    {
        private const string BusName    = "org.freedesktop.NetworkManager";
        private const string ObjectPath = "/org/freedesktop/NetworkManager";
		
        private INetworkManager m_manager;
        
        public event NetworkStateChangeHandler StateChange;
		
        public NetworkState State {
            get {
				return m_manager.state ();
			}
        }
		
		public void DelayedInitialize ()
		{
			if (Application.CommandLine.Contains("disable-dbus"))
				return;
			
			if (!Bus.System.NameHasOwner (BusName))
                throw new ApplicationException(String.Format("Name {0} has no owner", BusName));
			
            m_manager = Bus.System.GetObject<INetworkManager> (BusName, new ObjectPath(ObjectPath));
            m_manager.StateChange += Manager_StateChange;
		}
		
		private void Manager_StateChange (NetworkState state)
        {
            NetworkStateChangeHandler handler = StateChange;
            if (handler != null) {
                handler (state);
            }
        }

		string IService.ServiceName {
			get { return "NetworkService"; }
		}
    }
}
