Global.cs :  » Business-Application » DC » Notifications » C# / CSharp Open Source

/*
 * Copyright (c) 2006 Sebastian Drge <slomo@circular-chaos.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.Generic;

using NDesk.DBus;
using org.freedesktop;
using org.freedesktop.DBus;

namespace Notifications{
  [Interface ("org.freedesktop.Notifications")]
  internal interface INotifications : Introspectable, Properties {
    ServerInformation ServerInformation { get; }
    string[] Capabilities { get; }
    void CloseNotification (uint id);
    uint Notify (string app_name, uint id, string icon, string summary, string body,
      string[] actions, IDictionary<string, object> hints, int timeout);
    event NotificationClosedHandler NotificationClosed;
    event ActionInvokedHandler ActionInvoked;
  }

  internal delegate void NotificationClosedHandler (uint id);
  internal delegate void ActionInvokedHandler (uint id, string action);

  public struct ServerInformation {
    public string Name;
    public string Vendor;
    public string Version;
    public string SpecVersion;
  }

  public static class Global {
    private const string interface_name = "org.freedesktop.Notifications";
    private const string object_path = "/org/freedesktop/Notifications";

    private static INotifications dbus_object = null;
    private static object dbus_object_lock = new object ();

    internal static INotifications DBusObject {
      get {
        if (dbus_object != null)
          return dbus_object;

        lock (dbus_object_lock) {
          if (! Bus.Session.NameHasOwner (interface_name))
            Bus.Session.StartServiceByName (interface_name);

          dbus_object = Bus.Session.GetObject<INotifications>
            (interface_name, new ObjectPath (object_path));
          return dbus_object;
        }
      }
    }

    public static string[] Capabilities {
      get {
        return DBusObject.Capabilities;
      }
    }
    
    public static ServerInformation ServerInformation {
      get {
        return DBusObject.ServerInformation;
      }
    }
  }
}