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                         NavigationState = "";
  43                 }
  44
  45                 public bool IsVersionSupported (string versionStr)
  46                 {
  47                         // no null check so we throw an NRE, just like Silverlight, for a null versionStr
  48                         if (versionStr.Length == 0)
  49                                 return false;
  50                         return NativeMethods.surface_is_version_supported (versionStr);
  51                 }
  52
  53                 public Color Background {
  54                         get {
  55                                 IntPtr clr = NativeMethods.surface_get_background_color (Deployment.Current.Surface.Native);
  56
  57                                 if (clr == IntPtr.Zero)
  58                                         return new Color ();
  59
  60                                 unsafe {
  61                                         return ((UnmanagedColor *) clr)->ToColor ();
  62                                 }
  63                         }
  64                 }
  65
  66                 public Content Content {
  67                         get { return content ?? (content = new Content ()); }
  68                 }
  69
  70                 public bool IsLoaded {
  71                         get {
  72                                 return NativeMethods.surface_is_loaded (Deployment.Current.Surface.Native);
  73                         }
  74                 }
  75
  76                 public Settings Settings {
  77                         get { return settings ?? (settings = new Settings ()); }
  78                 }
  79
  80                 public Uri Source {
  81                         get {
  82                                 if (source_uri == null) {
  83                                         // note: this must return the original URI (i.e. before any redirection)
  84                                         string source = NativeMethods.plugin_instance_get_source_original (PluginHost.Handle);
  85                                         source_uri = new Uri (source, UriKind.RelativeOrAbsolute);
  86                                         // the source is often relative (but can be absolute for cross-domain applications)
  87                                         if (!source_uri.IsAbsoluteUri) {
  88                                                 string location = NativeMethods.plugin_instance_get_source_location_original (PluginHost.Handle);
  89                                                 source_uri = new Uri (new Uri (location), source_uri);
  90                                         }
  91                                 }
  92                                 return source_uri;
  93                         }
  94                 }
  95
  96
  97                 public string NavigationState { get; set; }
  98
  99                 public event EventHandler<NavigationStateChangedEventArgs> NavigationStateChanged;
 100         }
 101 }