annotate Chronosv2/source/Authentication/AuthenticationObserver.cs @ 10:443821e55f06

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author stevenh7776 stevenhollidge@hotmail.com
date Tue, 21 Feb 2012 17:25:44 +0700
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1 /*
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2 The MIT License
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3
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4 Copyright (c) 2009-2010. Carlos Guzmán Álvarez. http://chronoswpf.codeplex.com/
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5
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6 Permission is hereby granted, free of charge, to any person obtaining a copy
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7 of this software and associated documentation files (the "Software"), to deal
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8 in the Software without restriction, including without limitation the rights
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9 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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10 copies of the Software, and to permit persons to whom the Software is
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11 furnished to do so, subject to the following conditions:
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12
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13 The above copyright notice and this permission notice shall be included in
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14 all copies or substantial portions of the Software.
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15
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16 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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17 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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18 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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19 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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20 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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21 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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22 THE SOFTWARE.
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23 */
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24
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25 using System;
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26 using System.Threading.Tasks;
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27 using Chronos.Authentication;
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28 using Chronos.Modules.Navigation;
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29 using Chronos.Presentation.Core.Navigation;
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30 using Chronos.Presentation.Core.VirtualDesktops;
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31 using NLog;
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32 using nRoute.Components.Composition;
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33 using nRoute.Components.Messaging;
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34 using nRoute.Navigation;
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35 using nRoute.Services;
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36
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37 namespace Chronos
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38 {
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39 /// <summary>
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40 /// Dedicated observer for authentication
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41 /// </summary>
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42 [MapChannelObserver(typeof(AuthenticationInfo),
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43 InitializationMode = InitializationMode.WhenAvailable,
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44 Lifetime = InstanceLifetime.Singleton)]
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45 public sealed class AuthenticationObserver : IObserver<AuthenticationInfo>
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46 {
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47 #region · Logger ·
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48
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49 private static Logger Logger = LogManager.GetCurrentClassLogger();
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50
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51 #endregion
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52
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53 #region · IObserver<AuthenticationInfo> Members ·
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54
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55 /// <summary>
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56 /// Notifies the observer that the provider has finished sending push-based notifications.
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57 /// </summary>
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58 public void OnCompleted()
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59 {
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60 }
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61
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62 /// <summary>
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63 /// Notifies the observer that the provider has experienced an error condition.
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64 /// </summary>
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65 /// <param name="error">An object that provides additional information about the error.</param>
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66 public void OnError(Exception error)
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67 {
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68 }
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69
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70 /// <summary>
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71 /// Provides the observer with new data.
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72 /// </summary>
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73 /// <param name="value">The current notification information.</param>
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74 public void OnNext(AuthenticationInfo value)
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75 {
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76 switch (value.Action)
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77 {
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78 case AuthenticationAction.LogOn:
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79 Logger.Debug("Autenticación del usuario");
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80 ServiceLocator.GetService<INavigationService>()
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81 .Navigate(NavigateMode.Modal, NavigationRoutes.Login);
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82 break;
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83
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84 case AuthenticationAction.LoggedIn:
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85 Logger.Debug("Usuario autenticado correctamente");
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86 ServiceLocator.GetService<IVirtualDesktopManager>()
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87 .ActivateDefaultDesktop();
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88 break;
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89
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90 case AuthenticationAction.LogOut:
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91 Logger.Debug("Cerrando sesión");
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92 Task t = Task.Factory.StartNew
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93 (
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94 () =>
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95 {
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96 ServiceLocator.GetService<IVirtualDesktopManager>()
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97 .CloseAll();
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98
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99 Channel<AuthenticationInfo>.Publish
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100 (
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101 new AuthenticationInfo
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102 {
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103 Action = AuthenticationAction.LogOn
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104 },
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105 true
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106 );
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107 }
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108 );
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109 break;
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110 }
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111 }
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112
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113 #endregion
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114 }
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115 }