class/corlib/System.Security.Permissions/FileDialogPermissionAttribute.cs

   1 //
   2 // System.Security.Permissions.FileDialogPermissionAttribute.cs
   3 //
   4 // Authors
   5 //      Duncan Mak <duncan@ximian.com>
   6 //      Sebastien Pouliot  <sebastien@ximian.com>
   7 //
   8 // (C) 2002 Ximian, Inc. http://www.ximian.com
   9 // Portions Copyright (C) 2003 Motus Technologies (http://www.motus.com)
  10 // Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
  11 //
  12 // Permission is hereby granted, free of charge, to any person obtaining
  13 // a copy of this software and associated documentation files (the
  14 // "Software"), to deal in the Software without restriction, including
  15 // without limitation the rights to use, copy, modify, merge, publish,
  16 // distribute, sublicense, and/or sell copies of the Software, and to
  17 // permit persons to whom the Software is furnished to do so, subject to
  18 // the following conditions:
  19 //
  20 // The above copyright notice and this permission notice shall be
  21 // included in all copies or substantial portions of the Software.
  22 //
  23 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  27 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  28 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  29 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  30 //
  31
  32 using System.Runtime.InteropServices;
  33
  34 namespace System.Security.Permissions {
  35
  36         [ComVisible (true)]
  37         [AttributeUsage (AttributeTargets.Assembly | AttributeTargets.Class |
  38                          AttributeTargets.Struct | AttributeTargets.Constructor |
  39                          AttributeTargets.Method, AllowMultiple=true, Inherited=false)]
  40         [Serializable]
  41         public sealed class FileDialogPermissionAttribute : CodeAccessSecurityAttribute {
  42
  43                 // Fields
  44                 private bool canOpen;
  45                 private bool canSave;
  46
  47                 // Constructor
  48                 public FileDialogPermissionAttribute (SecurityAction action)
  49                         : base (action)
  50                 {
  51                 }
  52
  53                 // Properties
  54                 public bool Open {
  55                         get { return canOpen; }
  56                         set { canOpen = value; }
  57                 }
  58
  59                 public bool Save {
  60                         get { return canSave; }
  61                         set { canSave = value; }
  62                 }
  63
  64                 // Methods
  65                 public override IPermission CreatePermission ()
  66                 {
  67                         FileDialogPermission perm = null;
  68                         if (this.Unrestricted)
  69                                 perm = new FileDialogPermission (PermissionState.Unrestricted);
  70                         else {
  71                                 FileDialogPermissionAccess access = FileDialogPermissionAccess.None;
  72                                 if (canOpen)
  73                                         access |= FileDialogPermissionAccess.Open;
  74                                 if (canSave)
  75                                         access |= FileDialogPermissionAccess.Save;
  76                                 perm = new FileDialogPermission (access);
  77                         }
  78                         return perm;
  79                 }
  80         }
  81 }