class/System.Windows/System.Windows.Interop/SilverlightHost.cs

   1 //
   2 // SilverlightHost.cs
   3 //
   4 // Contact:
   5 //   Moonlight List (moonlight-list@lists.ximian.com)
   6 //
   7 // Copyright 2008, 2009 Novell, Inc.
   8 //
   9 // Permission is hereby granted, free of charge, to any person obtaining
  10 // a copy of this software and associated documentation files (the
  11 // "Software"), to deal in the Software without restriction, including
  12 // without limitation the rights to use, copy, modify, merge, publish,
  13 // distribute, sublicense, and/or sell copies of the Software, and to
  14 // permit persons to whom the Software is furnished to do so, subject to
  15 // the following conditions:
  16 //
  17 // The above copyright notice and this permission notice shall be
  18 // included in all copies or substantial portions of the Software.
  19 //
  20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27 //
  28
  29 using System;
  30 using System.Windows.Media;
  31 using System.Runtime.InteropServices;
  32 using Mono;
  33
  34 namespace System.Windows.Interop {
  35         public class SilverlightHost {
  36                 Content content;
  37                 Settings settings;
  38                 Uri source_uri;
  39
  40                 public SilverlightHost ()
  41                 {}
  42
  43                 public bool IsVersionSupported (string versionStr)
  44                 {
  45                         // no null check so we throw an NRE, just like Silverlight, for a null versionStr
  46                         if (versionStr.Length == 0)
  47                                 return false;
  48                         return NativeMethods.surface_is_version_supported (versionStr);
  49                 }
  50
  51                 public Color Background {
  52                         get {
  53                                 IntPtr clr = NativeMethods.surface_get_background_color (Deployment.Current.Surface.Native);
  54
  55                                 if (clr == IntPtr.Zero)
  56                                         return new Color ();
  57
  58                                 unsafe {
  59                                         return ((UnmanagedColor *) clr)->ToColor ();
  60                                 }
  61                         }
  62                 }
  63
  64                 public Content Content {
  65                         get { return content ?? (content = new Content ()); }
  66                 }
  67
  68                 public bool IsLoaded {
  69                         get {
  70                                 return NativeMethods.surface_is_loaded (Deployment.Current.Surface.Native);
  71                         }
  72                 }
  73
  74                 public Settings Settings {
  75                         get { return settings ?? (settings = new Settings ()); }
  76                 }
  77
  78                 public Uri Source {
  79                         get {
  80                                 if (source_uri == null) {
  81                                         // note: this must return the original URI (i.e. before any redirection)
  82                                         string source = NativeMethods.plugin_instance_get_source_original (PluginHost.Handle);
  83                                         source_uri = new Uri (source, UriKind.RelativeOrAbsolute);
  84                                         // the source is often relative (but can be absolute for cross-domain applications)
  85                                         if (!source_uri.IsAbsoluteUri) {
  86                                                 string location = NativeMethods.plugin_instance_get_source_location_original (PluginHost.Handle);
  87                                                 source_uri = new Uri (new Uri (location), source_uri);
  88                                         }
  89                                 }
  90                                 return source_uri;
  91                         }
  92                 }
  93         }
  94 }