mono/mcs/class/System.Drawing/System.Drawing.Printing/PrintingPermissionAttribute.cs

//
// System.Drawing.PrintingPermissionAttribute.cs
//
// Authors:
//	Dennis Hayes ([email protected])
//	Herve Poussineau ([email protected])
//	Sebastien Pouliot  <[email protected]>
//
// (C) 2002 Ximian, Inc
// Copyright (C) 2004 Novell, Inc (http://www.novell.com)
//
// 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.Security;
using System.Security.Permissions;

namespace System.Drawing.Printing {

	[AttributeUsage (AttributeTargets.All, AllowMultiple=true)]
	// strangely this class isn't [Serializable] like other permission classes
	public sealed class PrintingPermissionAttribute : CodeAccessSecurityAttribute {

		private PrintingPermissionLevel _level;
		
		public PrintingPermissionAttribute (SecurityAction action)
			: base (action)
		{
			// seems to always assign PrintingPermissionLevel.NoPrinting ...
			_level = PrintingPermissionLevel.NoPrinting;
		}
		
		public PrintingPermissionLevel Level {
			get { return _level; }
			set {
				if (!Enum.IsDefined (typeof (PrintingPermissionLevel), value)) {
					string msg = Locale.GetText ("Invalid enum {0}");
					throw new ArgumentException (String.Format (msg, value), "Level");
				}
				_level = value;
			}
		}
		
		public override IPermission CreatePermission ()
		{
			if (base.Unrestricted)
				return new PrintingPermission (PermissionState.Unrestricted);
			else
				return new PrintingPermission (_level);
		}
	}
}