class/System.Windows/System.Windows.Media.Animation/KeyTime.cs

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   4 // Copyright 2007 Novell, Inc.
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  24 //
  25
  26 using System;
  27 using System.Windows;
  28 using System.Windows.Media;
  29 using System.Windows.Input;
  30 using System.Runtime.InteropServices;
  31 using Mono;
  32
  33 namespace System.Windows.Media.Animation {
  34         public struct KeyTime {
  35                 internal KeyTimeType type;
  36                 private int padding;
  37                 internal double percent;
  38                 internal TimeSpan time_span;
  39
  40                 internal KeyTime (KeyTimeType type, double percent, TimeSpan time_span)
  41                 {
  42                         this.type = type;
  43                         this.percent = percent;
  44                         this.time_span = time_span;
  45                         this.padding = 0;
  46                 }
  47
  48                 public static KeyTime FromTimeSpan(TimeSpan timeSpan)
  49                 {
  50                         return new KeyTime (KeyTimeType.TimeSpan, 0, timeSpan);
  51                 }
  52
  53                 public static bool Equals (KeyTime keyTime1, KeyTime keyTime2)
  54                 {
  55                         return keyTime1 == keyTime2;
  56                 }
  57
  58                 public static bool operator ==(KeyTime keyTime1, KeyTime keyTime2)
  59                 {
  60                         if (keyTime1.type != keyTime2.type)
  61                                 return false;
  62
  63                         switch (keyTime1.type) {
  64                         case KeyTimeType.TimeSpan:
  65                                 return keyTime1.time_span == keyTime2.time_span;
  66                         }
  67                         return false;
  68                 }
  69
  70                 public static bool operator !=(KeyTime keyTime1, KeyTime keyTime2)
  71                 {
  72                         return !(keyTime1 == keyTime2);
  73                 }
  74
  75                 public bool Equals(KeyTime value)
  76                 {
  77                         return this == value;
  78                 }
  79
  80                 public override bool Equals(object value)
  81                 {
  82                         if (value is KeyTime)
  83                                 return this == (KeyTime) value;
  84
  85                         return false;
  86                 }
  87
  88                 public override int GetHashCode()
  89                 {
  90                         switch (type) {
  91                         case KeyTimeType.TimeSpan:
  92                                 return time_span.GetHashCode ();
  93                         default:
  94                                 return base.GetHashCode ();
  95                         }
  96                 }
  97
  98                 public override string ToString ()
  99                 {
 100                         switch (type) {
 101                         case KeyTimeType.TimeSpan:
 102                                 return time_span.ToString ();
 103                         case KeyTimeType.Uniform:
 104                                 return "Uniform";
 105                         default:
 106                                 return "KeyTime";
 107                         }
 108                 }
 109
 110                 public static implicit operator KeyTime (TimeSpan timeSpan)
 111                 {
 112                         return KeyTime.FromTimeSpan (timeSpan);
 113                 }
 114
 115                 public TimeSpan TimeSpan {
 116                         get { return time_span; }
 117                 }
 118
 119                 public KeyTimeType Type {
 120                         get { return type; }
 121                 }
 122
 123                 public static KeyTime Uniform {
 124                         get {
 125                                 KeyTime result = new KeyTime ();
 126                                 result.type = KeyTimeType.Uniform;
 127                                 return result;
 128                         }
 129                 }
 130         }
 131 }