class/WindowsBase/System.Windows/DependencyObjectType.cs

   1 // Permission is hereby granted, free of charge, to any person obtaining
   2 // a copy of this software and associated documentation files (the
   3 // "Software"), to deal in the Software without restriction, including
   4 // without limitation the rights to use, copy, modify, merge, publish,
   5 // distribute, sublicense, and/or sell copies of the Software, and to
   6 // permit persons to whom the Software is furnished to do so, subject to
   7 // the following conditions:
   8 //
   9 // The above copyright notice and this permission notice shall be
  10 // included in all copies or substantial portions of the Software.
  11 //
  12 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  13 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  14 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  15 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  16 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  17 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  18 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  19 //
  20 // (C) 2005 Iain McCoy
  21 // (C) 2007 Novell, Inc.
  22 //
  23 // Authors:
  24 //   Iain McCoy (iain@mccoy.id.au)
  25 //   Chris Toshok (toshok@ximian.com)
  26 //
  27 //
  28
  29 using System.Collections.Generic;
  30
  31 namespace System.Windows {
  32         public class DependencyObjectType {
  33
  34                 private static Dictionary<Type,DependencyObjectType> typeMap = new Dictionary<Type,DependencyObjectType>();
  35                 private static int current_id;
  36
  37                 private int id;
  38                 private Type systemType;
  39
  40                 private DependencyObjectType (int id, Type systemType)
  41                 {
  42                         this.id = id;
  43                         this.systemType = systemType;
  44                 }
  45
  46                 public DependencyObjectType BaseType {
  47                         get { return DependencyObjectType.FromSystemType (systemType.BaseType); }
  48                 }
  49
  50                 public int Id {
  51                         get { return id; }
  52                 }
  53
  54                 public string Name {
  55                         get { return systemType.Name; }
  56                 }
  57
  58                 public Type SystemType {
  59                         get { return systemType; }
  60                 }
  61
  62                 public static DependencyObjectType FromSystemType(Type systemType)
  63                 {
  64                         if (typeMap.ContainsKey (systemType))
  65                                 return typeMap[systemType];
  66
  67                         DependencyObjectType dot;
  68
  69                         typeMap[systemType] = dot = new DependencyObjectType (current_id++, systemType);
  70
  71                         return dot;
  72                 }
  73
  74                 public bool IsInstanceOfType(DependencyObject d)
  75                 {
  76                         return systemType.IsInstanceOfType (d);
  77                 }
  78
  79                 public bool IsSubclassOf(DependencyObjectType dependencyObjectType)
  80                 {
  81                         return systemType.IsSubclassOf (dependencyObjectType.SystemType);
  82                 }
  83
  84                 public override int GetHashCode ()
  85                 {
  86                         throw new NotImplementedException ();
  87                 }
  88         }
  89 }