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Viewing changes to Do.Interface.Linux.Docky/src/Docky.Core/DockServices.cs

  • Committer: rugby471 at gmail
  • Date: 2010-10-15 16:08:38 UTC
  • Revision ID: rugby471@gmail.com-20101015160838-z9m3utbf7bxzb5ty
reverted to before docky removal

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Do.Interface.Linux.Docky/src/Docky.Core/DockServices.cs
 
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// DockServices.cs
 
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// 
 
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// Copyright (C) 2009 GNOME Do
 
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//
 
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// This program is free software: you can redistribute it and/or modify
 
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// it under the terms of the GNU General Public License as published by
 
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// the Free Software Foundation, either version 3 of the License, or
 
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// (at your option) any later version.
 
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//
 
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// This program is distributed in the hope that it will be useful,
 
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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// GNU General Public License for more details.
 
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//
 
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// You should have received a copy of the GNU General Public License
 
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// along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
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//
 
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using System;
 
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using System.Collections.Generic;
 
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using System.Linq;
 
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namespace Docky.Core
 
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{
 
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        public static class DockServices
 
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        {
 
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                static List<IDockService> services = new List<IDockService> ();
 
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                static IItemsService items_service;
 
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                static IDrawingService drawing_service;
 
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                static IDoInteropService do_interop_service;
 
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                static IPainterService painter_service;
 
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                static IDockletService docklet_service;
 
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                public static IDockletService DockletService {
 
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                        get {
 
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                                if (docklet_service == null)
 
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                                        docklet_service = new Default.DockletService () as IDockletService;
 
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                                return docklet_service;
 
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                        }
 
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                }
 
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                public static IItemsService ItemsService {
 
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                        get { 
 
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                                if (items_service == null)
 
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                                        items_service = new Default.ItemsService () as IItemsService;
 
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                                return items_service;
 
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                        }
 
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                }
 
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                public static IDrawingService DrawingService {
 
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                        get { 
 
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                                if (drawing_service == null)
 
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                                        drawing_service = LoadService<IDrawingService, Default.DrawingService> ();
 
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                                return drawing_service; 
 
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                        }
 
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                }
 
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                public static IDoInteropService DoInteropService {
 
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                        get { 
 
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                                if (do_interop_service == null)
 
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                                        do_interop_service = LoadService<IDoInteropService, Default.DoInteropService> ();
 
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                                return do_interop_service;
 
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                        }
 
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                }
 
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                public static IPainterService PainterService {
 
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                        get {
 
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                                if (painter_service == null)
 
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                                        painter_service = LoadService<IPainterService, Default.PainterService> ();
 
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                                return painter_service; 
 
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                        }
 
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                }
 
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                public static void Clean ()
 
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                {
 
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                        if (items_service != null) {
 
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                                items_service.Dispose ();
 
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                                items_service = null;
 
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                        }
 
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                        if (drawing_service != null) {
 
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                                drawing_service.Dispose ();
 
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                                drawing_service = null;
 
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                        }
 
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                        if (painter_service != null) {
 
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                                painter_service.Dispose ();
 
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                                painter_service = null;
 
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                        }
 
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                        if (docklet_service != null) {
 
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                                docklet_service.Dispose ();
 
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                                docklet_service = null;
 
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                        }
 
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                        if (do_interop_service != null) {
 
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                                do_interop_service.Dispose ();
 
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                                do_interop_service = null;
 
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                        }
 
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                        services.Clear ();
 
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                }
 
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                public static void RegisterService (IDockService service)
 
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                {
 
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                        services.Add (service);
 
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                }
 
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                public static IDockService UnregisterService (IDockService service)
 
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                {
 
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                        if (!services.Contains (service))
 
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                                return service;
 
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                        if (do_interop_service == service)
 
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                                do_interop_service = null;
 
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                        if (painter_service == service)
 
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                                painter_service = null;
 
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                        if (drawing_service == service)
 
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                                drawing_service = null;
 
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                        if (items_service == service)
 
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                                items_service = null;
 
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                        if (docklet_service == service)
 
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                                docklet_service = null;
 
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                        services.Remove (service);
 
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                        return service;
 
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                }
 
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                static TService LoadService<TService, TElse> ()
 
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                        where TService : class, IDockService
 
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                        where TElse : TService
 
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                {
 
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                        if (services.OfType<TService> ().Any ()) {
 
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                                return services.OfType<TService> ().First () as TService;
 
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                        } else {
 
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                                return Activator.CreateInstance<TElse> () as TService;
 
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                        }
 
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                }
 
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        }
 
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}