mcs/class/System/Microsoft.Win32/SystemEvents.cs

   1 //
   2 // Microsoft.Win32.SystemEvents.cs
   3 //
   4 // Authors:
   5 //   Johannes Roith (johannes@jroith.de)
   6 //   Andreas Nahr (ClassDevelopment@A-SoftTech.com)
   7 //
   8 // (C) 2002 Johannes Roith
   9 // (C) 2003 Andreas Nahr
  10 //
  11
  12 //
  13 // Permission is hereby granted, free of charge, to any person obtaining
  14 // a copy of this software and associated documentation files (the
  15 // "Software"), to deal in the Software without restriction, including
  16 // without limitation the rights to use, copy, modify, merge, publish,
  17 // distribute, sublicense, and/or sell copies of the Software, and to
  18 // permit persons to whom the Software is furnished to do so, subject to
  19 // the following conditions:
  20 //
  21 // The above copyright notice and this permission notice shall be
  22 // included in all copies or substantial portions of the Software.
  23 //
  24 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  25 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  26 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  27 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  28 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  29 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  30 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  31 //
  32
  33 using System;
  34 using System.Timers;
  35 using System.Collections;
  36
  37 namespace Microsoft.Win32
  38 {
  39         public sealed class SystemEvents
  40         {
  41                 private static Hashtable TimerStore = new Hashtable ();
  42
  43                 private SystemEvents ()
  44                 {
  45                 }
  46
  47                 // You can use timers using the CreateTimer, KillTimer methods and the Timerelapsed event
  48                 // This is only a partial solution, as it only works in managed code.
  49                 // TODO implement this on OS level
  50                 // Till done this solution should work if you are only using the mentioned members
  51
  52                 public static IntPtr CreateTimer (int interval)
  53                 {
  54                         Guid Ident = Guid.NewGuid ();
  55                         int IdentValue = Ident.GetHashCode ();
  56                         Timer t = new System.Timers.Timer (interval);
  57                         t.Elapsed += new ElapsedEventHandler (InternalTimerElapsed);
  58                         TimerStore.Add (IdentValue, t);
  59                         return new IntPtr (IdentValue);
  60                 }
  61
  62                 public static void KillTimer (IntPtr timerId)
  63                 {
  64                         Timer t = (Timer) TimerStore[timerId.GetHashCode()];
  65                         t.Stop ();
  66                         t.Elapsed -= new ElapsedEventHandler (InternalTimerElapsed);
  67                         t.Dispose ();
  68                         TimerStore.Remove (timerId.GetHashCode());
  69                 }
  70
  71                 private static void InternalTimerElapsed (object e, ElapsedEventArgs args)
  72                 {
  73                         if (TimerElapsed != null)
  74                                 TimerElapsed (null, new TimerElapsedEventArgs (new IntPtr(0)));
  75                 }
  76
  77                 [MonoTODO]
  78                 public static void InvokeOnEventsThread(Delegate method)
  79                 {
  80                         throw new System.NotImplementedException ();
  81                 }
  82
  83                 [MonoTODO]
  84                 public static event System.EventHandler DisplaySettingsChanged
  85                 {
  86                         add     { throw new System.NotImplementedException ();}
  87                         remove  { throw new System.NotImplementedException ();}
  88                 }
  89
  90                 [MonoTODO]
  91                 public static event System.EventHandler EventsThreadShutdown
  92                 {
  93                         add     { throw new System.NotImplementedException ();}
  94                         remove  { throw new System.NotImplementedException ();}
  95                 }
  96
  97                 [MonoTODO]
  98                 public static event System.EventHandler InstalledFontsChanged
  99                 {
 100                         add     { throw new System.NotImplementedException ();}
 101                         remove  { throw new System.NotImplementedException ();}
 102                 }
 103
 104                 [MonoTODO]
 105                 public static event System.EventHandler LowMemory
 106                 {
 107                         add     { throw new System.NotImplementedException ();}
 108                         remove  { throw new System.NotImplementedException ();}
 109                 }
 110
 111                 [MonoTODO]
 112                 public static event System.EventHandler PaletteChanged
 113                 {
 114                         add     { throw new System.NotImplementedException ();}
 115                         remove  { throw new System.NotImplementedException ();}
 116                 }
 117
 118                 [MonoTODO]
 119                 public static event PowerModeChangedEventHandler PowerModeChanged
 120                 {
 121                         add     { throw new System.NotImplementedException ();}
 122                         remove  { throw new System.NotImplementedException ();}
 123                 }
 124
 125                 [MonoTODO]
 126                 public static event SessionEndedEventHandler SessionEnded
 127                 {
 128                         add     { throw new System.NotImplementedException ();}
 129                         remove  { throw new System.NotImplementedException ();}
 130                 }
 131
 132                 [MonoTODO]
 133                 public static event SessionEndingEventHandler SessionEnding
 134                 {
 135                         add     { throw new System.NotImplementedException ();}
 136                         remove  { throw new System.NotImplementedException ();}
 137                 }
 138
 139                 [MonoTODO]
 140                 public static event System.EventHandler TimeChanged
 141                 {
 142                         add     { throw new System.NotImplementedException ();}
 143                         remove  { throw new System.NotImplementedException ();}
 144                 }
 145
 146                 public static event TimerElapsedEventHandler TimerElapsed;
 147
 148                 [MonoTODO]
 149                 public static event UserPreferenceChangedEventHandler UserPreferenceChanged
 150                 {
 151                         add     { throw new System.NotImplementedException ();}
 152                         remove  { throw new System.NotImplementedException ();}
 153                 }
 154
 155                 [MonoTODO]
 156                 public static event UserPreferenceChangingEventHandler UserPreferenceChanging
 157                 {
 158                         add     { throw new System.NotImplementedException ();}
 159                         remove  { throw new System.NotImplementedException ();}
 160                 }
 161         }
 162 }