From 991e42143783beda359295f39695a16c52fe787d Mon Sep 17 00:00:00 2001
From: Nikita Tsukanov <keks9n@gmail.com>
Date: Thu, 26 Nov 2015 23:31:16 +0300
Subject: [PATCH 1/6] Now using built-in designer API instead of dynamic calls

---
 .../Perspex.Android/AndroidPlatform.cs        | 22 +++++-
 src/Gtk/Perspex.Gtk/GtkPlatform.cs            | 19 ++++-
 .../Perspex.Markup.Xaml.csproj                |  4 -
 src/Perspex.Application/Designer/Designer.cs  | 58 ++++++++++++++
 .../Designer/DesignerApi.cs                   | 51 ++++++++++++
 .../Perspex.Application.csproj                | 19 ++++-
 src/Perspex.Base/Perspex.Base.csproj          |  1 +
 .../Platform/IAssetLoader.cs                  |  0
 src/Perspex.Controls/Perspex.Controls.csproj  |  1 +
 .../Platform/IWindowingPlatform.cs            | 15 ++++
 .../Platform/PlatformManager.cs               | 14 +++-
 .../AppHost/PerspexAppHost.cs                 | 77 ++++++-------------
 .../Perspex.Designer/Perspex.Designer.csproj  |  3 +
 src/Windows/Perspex.Win32/Win32Platform.cs    | 35 +++++----
 src/iOS/Perspex.iOS/PerspexAppDelegate.cs     | 27 ++++++-
 15 files changed, 261 insertions(+), 85 deletions(-)
 create mode 100644 src/Perspex.Application/Designer/Designer.cs
 create mode 100644 src/Perspex.Application/Designer/DesignerApi.cs
 rename src/{Perspex.Application => Perspex.Base}/Platform/IAssetLoader.cs (100%)
 create mode 100644 src/Perspex.Controls/Platform/IWindowingPlatform.cs

diff --git a/src/Android/Perspex.Android/AndroidPlatform.cs b/src/Android/Perspex.Android/AndroidPlatform.cs
index b3f4bdaa32..9276cba150 100644
--- a/src/Android/Perspex.Android/AndroidPlatform.cs
+++ b/src/Android/Perspex.Android/AndroidPlatform.cs
@@ -10,10 +10,11 @@ using Perspex.Shared.PlatformSupport;
 using Perspex.Skia;
 using System;
 using System.Collections.Generic;
+using Perspex.Android.Platform.SkiaPlatform;
 
 namespace Perspex.Android
 {
-    public class AndroidPlatform : IPlatformSettings
+    public class AndroidPlatform : IPlatformSettings, IWindowingPlatform
     {
         public static readonly AndroidPlatform Instance = new AndroidPlatform();
         public Size DoubleClickSize => new Size(4, 4);
@@ -33,11 +34,11 @@ namespace Perspex.Android
                 .Bind<IPlatformSettings>().ToConstant(this)
                 .Bind<IPlatformThreadingInterface>().ToConstant(new AndroidThreadingInterface())
                 .Bind<ISystemDialogImpl>().ToTransient<SystemDialogImpl>()
-                .Bind<ITopLevelRenderer>().ToTransient<AndroidTopLevelRenderer>();
+                .Bind<ITopLevelRenderer>().ToTransient<AndroidTopLevelRenderer>()
+                .Bind<IWindowingPlatform>().ToConstant(this);
 
             SkiaPlatform.Initialize();
             Application.RegisterPlatformCallback(() => { });
-            PerspexLocator.CurrentMutable.Bind<IWindowImpl>().ToSingleton<Platform.SkiaPlatform.MainWindowImpl>();
 
             _scalingFactor = global::Android.App.Application.Context.Resources.DisplayMetrics.ScaledDensity;
 
@@ -50,5 +51,20 @@ namespace Perspex.Android
         {
             SharedPlatform.Register(applicationType.Assembly);
         }
+
+        public IWindowImpl CreateWindow()
+        {
+            return new WindowImpl();
+        }
+
+        public IWindowImpl CreateDesignerFriendlyWindow()
+        {
+            throw new NotImplementedException();
+        }
+
+        public IPopupImpl CreatePopup()
+        {
+            throw new NotImplementedException();
+        }
     }
 }
\ No newline at end of file
diff --git a/src/Gtk/Perspex.Gtk/GtkPlatform.cs b/src/Gtk/Perspex.Gtk/GtkPlatform.cs
index 16ba905589..014048854d 100644
--- a/src/Gtk/Perspex.Gtk/GtkPlatform.cs
+++ b/src/Gtk/Perspex.Gtk/GtkPlatform.cs
@@ -14,7 +14,7 @@ namespace Perspex.Gtk
 {
     using Gtk = global::Gtk;
 
-    public class GtkPlatform : IPlatformThreadingInterface, IPlatformSettings
+    public class GtkPlatform : IPlatformThreadingInterface, IPlatformSettings, IWindowingPlatform
     {
         private static readonly GtkPlatform s_instance = new GtkPlatform();
         private static Thread _uiThread;
@@ -33,8 +33,7 @@ namespace Perspex.Gtk
         public static void Initialize()
         {
             PerspexLocator.CurrentMutable
-                .Bind<IWindowImpl>().ToTransient<WindowImpl>()
-                .Bind<IPopupImpl>().ToTransient<PopupImpl>()
+                .Bind<IWindowingPlatform>().ToConstant(s_instance)
                 .Bind<IClipboard>().ToSingleton<ClipboardImpl>()
                 .Bind<IStandardCursorFactory>().ToConstant(CursorFactory.Instance)
                 .Bind<IKeyboardDevice>().ToConstant(GtkKeyboardDevice.Instance)
@@ -86,5 +85,19 @@ namespace Perspex.Gtk
         public bool CurrentThreadIsLoopThread => Thread.CurrentThread == _uiThread;
 
         public event Action Signaled;
+        public IWindowImpl CreateWindow()
+        {
+            return new WindowImpl();
+        }
+
+        public IWindowImpl CreateDesignerFriendlyWindow()
+        {
+            throw new NotSupportedException();
+        }
+
+        public IPopupImpl CreatePopup()
+        {
+            return new PopupImpl();
+        }
     }
 }
\ No newline at end of file
diff --git a/src/Markup/Perspex.Markup.Xaml/Perspex.Markup.Xaml.csproj b/src/Markup/Perspex.Markup.Xaml/Perspex.Markup.Xaml.csproj
index 35fde7d0e4..9b8cb35162 100644
--- a/src/Markup/Perspex.Markup.Xaml/Perspex.Markup.Xaml.csproj
+++ b/src/Markup/Perspex.Markup.Xaml/Perspex.Markup.Xaml.csproj
@@ -272,10 +272,6 @@
       <Project>{D211E587-D8BC-45B9-95A4-F297C8FA5200}</Project>
       <Name>Perspex.Animation</Name>
     </ProjectReference>
-    <ProjectReference Include="..\..\Perspex.Application\Perspex.Application.csproj">
-      <Project>{799A7BB5-3C2C-48B6-85A7-406A12C420DA}</Project>
-      <Name>Perspex.Application</Name>
-    </ProjectReference>
     <ProjectReference Include="..\..\Perspex.Base\Perspex.Base.csproj">
       <Project>{B09B78D8-9B26-48B0-9149-D64A2F120F3F}</Project>
       <Name>Perspex.Base</Name>
diff --git a/src/Perspex.Application/Designer/Designer.cs b/src/Perspex.Application/Designer/Designer.cs
new file mode 100644
index 0000000000..665eb3447f
--- /dev/null
+++ b/src/Perspex.Application/Designer/Designer.cs
@@ -0,0 +1,58 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using OmniXaml;
+using Perspex.Controls;
+using Perspex.Controls.Platform;
+using Perspex.Markup.Xaml;
+using Perspex.Themes.Default;
+
+namespace Perspex.Designer
+{
+    class Designer
+    {
+        class DesignerApp : Application
+        {
+            public DesignerApp()
+            {
+                RegisterServices();
+                //For now we only support windows
+                InitializeSubsystems(2);
+                Styles = new DefaultTheme();
+            }
+        }
+
+        public static DesignerApi Api { get; set; }
+        
+        public static void Init(Dictionary<string, object> shared)
+        {
+            Api = new DesignerApi(shared) {UpdateXaml = UpdateXaml};
+            new DesignerApp();
+        }
+
+        static Window s_currentWindow;
+
+        private static void UpdateXaml(string xaml)
+        {
+
+            Window window;
+            using (PlatformManager.DesignerMode())
+            {
+                var obj = ((XamlXmlLoader)new PerspexXamlLoader()).Load(new MemoryStream(Encoding.UTF8.GetBytes(xaml)));
+                window = obj as Window;
+                if (window == null)
+                {
+                    window = new Window() {Content = obj};
+                }
+            }
+            s_currentWindow?.Close();
+            s_currentWindow = window;
+            window.Show();
+            Api.OnWindowCreated?.Invoke(window.PlatformImpl.Handle.Handle);
+            Api.OnResize?.Invoke();
+        }
+    }
+}
diff --git a/src/Perspex.Application/Designer/DesignerApi.cs b/src/Perspex.Application/Designer/DesignerApi.cs
new file mode 100644
index 0000000000..944bd86705
--- /dev/null
+++ b/src/Perspex.Application/Designer/DesignerApi.cs
@@ -0,0 +1,51 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Runtime.CompilerServices;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Perspex.Designer
+{
+    class DesignerApi
+    {
+        private readonly Dictionary<string, object> _inner;
+
+        public DesignerApi(Dictionary<string, object> inner)
+        {
+            _inner = inner;
+        }
+
+        object Get([CallerMemberName] string name = null)
+        {
+            object rv;
+            _inner.TryGetValue(name, out rv);
+            return rv;
+        }
+
+        void Set(object value, [CallerMemberName] string name = null)
+        {
+            _inner[name] = value;
+        }
+
+        public Action<string> UpdateXaml
+        {
+            get { return (Action<string>) Get(); }
+            set {Set(value); }
+        }
+
+        public Action OnResize
+        {
+            get { return (Action) Get(); }
+            set { Set(value);}
+        }
+
+        public Action<IntPtr> OnWindowCreated
+        {
+            set { Set(value); }
+            get { return (Action<IntPtr>) Get(); }
+        }
+
+
+    }
+}
diff --git a/src/Perspex.Application/Perspex.Application.csproj b/src/Perspex.Application/Perspex.Application.csproj
index c5fe995636..08ecf9912e 100644
--- a/src/Perspex.Application/Perspex.Application.csproj
+++ b/src/Perspex.Application/Perspex.Application.csproj
@@ -39,6 +39,18 @@
   </PropertyGroup>
   <ItemGroup>
     <!-- A reference to the entire .NET Framework is automatically included -->
+    <ProjectReference Include="..\Markup\Perspex.Markup.Xaml\Perspex.Markup.Xaml.csproj">
+      <Project>{3e53a01a-b331-47f3-b828-4a5717e77a24}</Project>
+      <Name>Perspex.Markup.Xaml</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\Markup\Perspex.Markup\Perspex.Markup.csproj">
+      <Project>{6417e941-21bc-467b-a771-0de389353ce6}</Project>
+      <Name>Perspex.Markup</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\Perspex.Animation\Perspex.Animation.csproj">
+      <Project>{d211e587-d8bc-45b9-95a4-f297c8fa5200}</Project>
+      <Name>Perspex.Animation</Name>
+    </ProjectReference>
     <ProjectReference Include="..\Perspex.Base\Perspex.Base.csproj">
       <Project>{B09B78D8-9B26-48B0-9149-D64A2F120F3F}</Project>
       <Name>Perspex.Base</Name>
@@ -67,13 +79,18 @@
       <Project>{F1BAA01A-F176-4C6A-B39D-5B40BB1B148F}</Project>
       <Name>Perspex.Styling</Name>
     </ProjectReference>
+    <ProjectReference Include="..\Perspex.Themes.Default\Perspex.Themes.Default.csproj">
+      <Project>{3E10A5FA-E8DA-48B1-AD44-6A5B6CB7750F}</Project>
+      <Name>Perspex.Themes.Default</Name>
+    </ProjectReference>
   </ItemGroup>
   <ItemGroup>
     <Compile Include="..\Shared\SharedAssemblyInfo.cs">
       <Link>Properties\SharedAssemblyInfo.cs</Link>
     </Compile>
     <Compile Include="Application.cs" />
-    <Compile Include="Platform\IAssetLoader.cs" />
+    <Compile Include="Designer\Designer.cs" />
+    <Compile Include="Designer\DesignerApi.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
   </ItemGroup>
   <ItemGroup>
diff --git a/src/Perspex.Base/Perspex.Base.csproj b/src/Perspex.Base/Perspex.Base.csproj
index 890fa666bf..deeb85a600 100644
--- a/src/Perspex.Base/Perspex.Base.csproj
+++ b/src/Perspex.Base/Perspex.Base.csproj
@@ -53,6 +53,7 @@
     <Compile Include="PerspexObjectExtensions.cs" />
     <Compile Include="PerspexPropertyRegistry.cs" />
     <Compile Include="PerspexProperty`1.cs" />
+    <Compile Include="Platform\IAssetLoader.cs" />
     <Compile Include="Platform\IPclPlatformWrapper.cs" />
     <Compile Include="BindingPriority.cs" />
     <Compile Include="PriorityBindingEntry.cs" />
diff --git a/src/Perspex.Application/Platform/IAssetLoader.cs b/src/Perspex.Base/Platform/IAssetLoader.cs
similarity index 100%
rename from src/Perspex.Application/Platform/IAssetLoader.cs
rename to src/Perspex.Base/Platform/IAssetLoader.cs
diff --git a/src/Perspex.Controls/Perspex.Controls.csproj b/src/Perspex.Controls/Perspex.Controls.csproj
index a99b3fbbfd..80b1aba585 100644
--- a/src/Perspex.Controls/Perspex.Controls.csproj
+++ b/src/Perspex.Controls/Perspex.Controls.csproj
@@ -44,6 +44,7 @@
     <Compile Include="DockPanel.cs" />
     <Compile Include="HotkeyManager.cs" />
     <Compile Include="Platform\ITopLevelRenderer.cs" />
+    <Compile Include="Platform\IWindowingPlatform.cs" />
     <Compile Include="Platform\PlatformManager.cs" />
     <Compile Include="SelectionMode.cs" />
     <Compile Include="Separator.cs" />
diff --git a/src/Perspex.Controls/Platform/IWindowingPlatform.cs b/src/Perspex.Controls/Platform/IWindowingPlatform.cs
new file mode 100644
index 0000000000..99176b720e
--- /dev/null
+++ b/src/Perspex.Controls/Platform/IWindowingPlatform.cs
@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Perspex.Platform
+{
+    public interface IWindowingPlatform
+    {
+        IWindowImpl CreateWindow();
+        IWindowImpl CreateDesignerFriendlyWindow();
+        IPopupImpl CreatePopup();
+    }
+}
diff --git a/src/Perspex.Controls/Platform/PlatformManager.cs b/src/Perspex.Controls/Platform/PlatformManager.cs
index ba239d1a46..4983fc0483 100644
--- a/src/Perspex.Controls/Platform/PlatformManager.cs
+++ b/src/Perspex.Controls/Platform/PlatformManager.cs
@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Reactive.Disposables;
 using System.Text;
 using System.Threading.Tasks;
 using Perspex.Input;
@@ -17,6 +18,8 @@ namespace Perspex.Controls.Platform
         static IPlatformSettings GetSettings()
             => PerspexLocator.Current.GetService<IPlatformSettings>();
 
+        static bool s_designerMode;
+
         public static IRenderTarget CreateRenderTarget(ITopLevelImpl window)
         {
             return
@@ -24,6 +27,11 @@ namespace Perspex.Controls.Platform
                     PerspexLocator.Current.GetService<IPlatformRenderInterface>().CreateRenderer(window.Handle), window);
         }
 
+        public static IDisposable DesignerMode()
+        {
+            s_designerMode = true;
+            return Disposable.Create(() => s_designerMode = false);
+        }
 
         class RenderTargetDecorator : IRenderTarget
         {
@@ -165,12 +173,14 @@ namespace Perspex.Controls.Platform
 
         public static IWindowImpl CreateWindow()
         {
-            return new WindowDecorator(PerspexLocator.Current.GetService<IWindowImpl>());
+            var platform = PerspexLocator.Current.GetService<IWindowingPlatform>();
+            return
+                new WindowDecorator(s_designerMode ? platform.CreateDesignerFriendlyWindow() : platform.CreateWindow());
         }
 
         public static IPopupImpl CreatePopup()
         {
-            return new WindowDecorator(PerspexLocator.Current.GetService<IPopupImpl>());
+            return new WindowDecorator(PerspexLocator.Current.GetService<IWindowingPlatform>().CreatePopup());
         }
     }
 }
diff --git a/src/Windows/Perspex.Designer/AppHost/PerspexAppHost.cs b/src/Windows/Perspex.Designer/AppHost/PerspexAppHost.cs
index 8cc1dc5096..0def6e0f3e 100644
--- a/src/Windows/Perspex.Designer/AppHost/PerspexAppHost.cs
+++ b/src/Windows/Perspex.Designer/AppHost/PerspexAppHost.cs
@@ -18,12 +18,11 @@ namespace Perspex.Designer.AppHost
     class PerspexAppHost
     {
         private string _appDir;
-        private CommChannel _comm;
+        private readonly CommChannel _comm;
         private string _lastXaml;
         private string _currentXaml;
-        private Func<Stream, object> _xamlReader;
         private bool _initSuccess;
-        private HostedAppModel _appModel = new HostedAppModel();
+        private readonly HostedAppModel _appModel = new HostedAppModel();
         private Control _window;
 
         public PerspexAppHost(CommChannel channel)
@@ -92,8 +91,6 @@ namespace Perspex.Designer.AppHost
 
         PerspexDesignerMetadata BuildMetadata(List<Assembly> asms, Type xmlNsAttr)
         {
-            
-
             var rv = new PerspexDesignerMetadata()
             {
                 
@@ -200,34 +197,10 @@ namespace Perspex.Designer.AppHost
             log("Looking up Perspex types");
             BuildMetadataAndSendMessageAsync(asms);
 
-            var syncContext = LookupType("Perspex.Threading.PerspexSynchronizationContext");
-            syncContext.GetProperty("AutoInstall", BindingFlags.Public | BindingFlags.Static).SetValue(null, false);
-
-            var app = Activator.CreateInstance(LookupType("Perspex.Application"));
-            app.GetType()
-                .GetMethod("RegisterServices", BindingFlags.NonPublic | BindingFlags.Instance)
-                .Invoke(app, null);
-
-            LookupStaticMethod("Perspex.Direct2D1.Direct2D1Platform", "Initialize").Invoke(null, null);
-            LookupStaticMethod("Perspex.Win32.Win32Platform", "InitializeEmbedded").Invoke(null, null);
-
-            app.GetType().GetProperty("Styles").GetSetMethod(true)
-                .Invoke(app, new[] {Activator.CreateInstance(LookupType("Perspex.Themes.Default.DefaultTheme"))});
-            
-
-            dynamic dispatcher =
-                LookupType("Perspex.Threading.Dispatcher")
-                    .GetProperty("UIThread", BindingFlags.Static | BindingFlags.Public)
-                    .GetValue(null);
-            
-
-
-            var xamlFactory = Activator.CreateInstance(LookupType("Perspex.Markup.Xaml.Context.PerspexParserFactory"));
-            
-            dynamic xamlLoader =
-                LookupType("OmniXaml.XamlLoader", "OmniXaml.XamlXmlLoader").GetConstructors().First().Invoke(new object[] {xamlFactory});
-
-            _xamlReader = (stream) => xamlLoader.Load(stream);
+            log("Initializing built-in designer");
+            var dic = new Dictionary<string, object>();
+            Api = new DesignerApi(dic) {OnResize = OnResize, OnWindowCreated = OnWindowCreated};
+            LookupStaticMethod("Perspex.Designer.Designer", "Init").Invoke(null, new object[] {dic});
 
             _window = new Control
             {
@@ -242,15 +215,19 @@ namespace Perspex.Designer.AppHost
             };
             _window.CreateControl();
             
-            new Timer {Interval = 10, Enabled = true}.Tick += delegate
-            {
-                dispatcher.RunJobs();
-            };
             new Timer {Interval = 200, Enabled = true}.Tick += delegate { XamlUpdater(); };
             _comm.SendMessage(new WindowCreatedMessage(_window.Handle));
             _initSuccess = true;
         }
 
+        private void OnWindowCreated(IntPtr hWnd)
+        {
+            _appModel.NativeWindowHandle = hWnd;
+        }
+
+
+        public DesignerApi Api { get; set; }
+
 
         bool ValidateXml(string xml)
         {
@@ -269,6 +246,11 @@ namespace Perspex.Designer.AppHost
             return true;
         }
 
+        private void OnResize()
+        {
+            
+        }
+
         void XamlUpdater()
         {
             if (!_initSuccess)
@@ -282,27 +264,10 @@ namespace Perspex.Designer.AppHost
                 _appModel.SetError("Invalid markup");
                 return;
             }
-
-
             try
             {
-                const string windowType = "Perspex.Controls.Window";
-                
-                var root = _xamlReader(new MemoryStream(Encoding.UTF8.GetBytes(_currentXaml)));
-                dynamic window = root;
-                if (root.GetType().FullName != windowType)
-                {
-                    window = Activator.CreateInstance(LookupType(windowType));
-                    window.Content = root;
-                }
+                Api.UpdateXaml(_currentXaml);
 
-                var w = ((object) (window.PlatformImpl)).Prop("Handle");
-                if (!(w is IntPtr))
-                    w = w.Prop("Handle");
-
-                var hWnd = (IntPtr) w;
-                _appModel.NativeWindowHandle = hWnd;
-                window.Show();
                 _appModel.SetError(null);
             }
             catch (Exception e)
@@ -310,6 +275,8 @@ namespace Perspex.Designer.AppHost
                 _appModel.SetError("XAML load error", e.ToString());
             }
         }
+
+        
         
         private Assembly CurrentDomain_AssemblyResolve(object sender, ResolveEventArgs args)
         {
diff --git a/src/Windows/Perspex.Designer/Perspex.Designer.csproj b/src/Windows/Perspex.Designer/Perspex.Designer.csproj
index f5dd8bd8ac..abb50a5279 100644
--- a/src/Windows/Perspex.Designer/Perspex.Designer.csproj
+++ b/src/Windows/Perspex.Designer/Perspex.Designer.csproj
@@ -67,6 +67,9 @@
     <Reference Include="WindowsFormsIntegration" />
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="..\..\Perspex.Application\Designer\DesignerApi.cs">
+      <Link>AppHost\DesignerApi.cs</Link>
+    </Compile>
     <Compile Include="App.xaml.cs">
       <DependentUpon>App.xaml</DependentUpon>
     </Compile>
diff --git a/src/Windows/Perspex.Win32/Win32Platform.cs b/src/Windows/Perspex.Win32/Win32Platform.cs
index e461e95de3..5c8c475f17 100644
--- a/src/Windows/Perspex.Win32/Win32Platform.cs
+++ b/src/Windows/Perspex.Win32/Win32Platform.cs
@@ -18,7 +18,7 @@ using Perspex.Win32.Interop;
 
 namespace Perspex.Win32
 {
-    public class Win32Platform : IPlatformThreadingInterface, IPlatformSettings
+    public class Win32Platform : IPlatformThreadingInterface, IPlatformSettings, IWindowingPlatform
     {
         private static readonly Win32Platform s_instance = new Win32Platform();
         private static Thread _uiThread;
@@ -42,34 +42,22 @@ namespace Perspex.Win32
         public double RenderScalingFactor { get; } = 1;
         public double LayoutScalingFactor { get; } = 1;
 
-        private static void InitializeInternal()
+        public static void Initialize()
         {
             PerspexLocator.CurrentMutable
-                .Bind<IPopupImpl>().ToTransient<PopupImpl>()
                 .Bind<IClipboard>().ToSingleton<ClipboardImpl>()
                 .Bind<IStandardCursorFactory>().ToConstant(CursorFactory.Instance)
                 .Bind<IKeyboardDevice>().ToConstant(WindowsKeyboardDevice.Instance)
                 .Bind<IMouseDevice>().ToConstant(WindowsMouseDevice.Instance)
                 .Bind<IPlatformSettings>().ToConstant(s_instance)
                 .Bind<IPlatformThreadingInterface>().ToConstant(s_instance)
-                .Bind<ISystemDialogImpl>().ToSingleton<SystemDialogImpl>();
+                .Bind<ISystemDialogImpl>().ToSingleton<SystemDialogImpl>()
+                .Bind<IWindowingPlatform>().ToConstant(s_instance);
 
             SharedPlatform.Register();
             _uiThread = Thread.CurrentThread;
         }
 
-        public static void Initialize()
-        {
-            PerspexLocator.CurrentMutable.Bind<IWindowImpl>().ToTransient<WindowImpl>();
-            InitializeInternal();
-        }
-
-        public static void InitializeEmbedded()
-        {
-            PerspexLocator.CurrentMutable.Bind<IWindowImpl>().ToTransient<EmbeddedWindowImpl>();
-            InitializeInternal();
-        }
-
         public bool HasMessages()
         {
             UnmanagedMethods.MSG msg;
@@ -169,5 +157,20 @@ namespace Perspex.Win32
                 throw new Win32Exception();
             }
         }
+
+        public IWindowImpl CreateWindow()
+        {
+            return new WindowImpl();
+        }
+
+        public IWindowImpl CreateDesignerFriendlyWindow()
+        {
+            return new EmbeddedWindowImpl();
+        }
+
+        public IPopupImpl CreatePopup()
+        {
+            return new PopupImpl();
+        }
     }
 }
diff --git a/src/iOS/Perspex.iOS/PerspexAppDelegate.cs b/src/iOS/Perspex.iOS/PerspexAppDelegate.cs
index c0296d077c..e526f3a69c 100644
--- a/src/iOS/Perspex.iOS/PerspexAppDelegate.cs
+++ b/src/iOS/Perspex.iOS/PerspexAppDelegate.cs
@@ -42,9 +42,34 @@ namespace Perspex.iOS
                     .Bind<IMouseDevice>().ToConstant(MouseDevice)
                     .Bind<IPlatformSettings>().ToSingleton<PlatformSettings>()
                     .Bind<IPlatformThreadingInterface>().ToConstant(PlatformThreadingInterface.Instance)
-                    .Bind<IWindowImpl>().ToConstant(controller.PerspexView);
+                    .Bind<IWindowingPlatform>().ToConstant(new WindowingPlatform(controller.PerspexView));
                 SkiaPlatform.Initialize();
             });
         }
+
+        class WindowingPlatform : IWindowingPlatform
+        {
+            private readonly IWindowImpl _window;
+
+            public WindowingPlatform(IWindowImpl window)
+            {
+                _window = window;
+            }
+
+            public IWindowImpl CreateWindow()
+            {
+                return _window;
+            }
+
+            public IWindowImpl CreateDesignerFriendlyWindow()
+            {
+                throw new NotImplementedException();
+            }
+
+            public IPopupImpl CreatePopup()
+            {
+                throw new NotImplementedException();
+            }
+        }
     }
 }

From a96149842080ce4215f01eda8f2613449b695db0 Mon Sep 17 00:00:00 2001
From: Nikita Tsukanov <keks9n@gmail.com>
Date: Fri, 27 Nov 2015 00:01:00 +0300
Subject: [PATCH 2/6] Implemented designer scaling

---
 src/Perspex.Application/Designer/Designer.cs  |  9 ++++++-
 .../Designer/DesignerApi.cs                   |  5 ++++
 .../Platform/PlatformManager.cs               | 13 ++++++++--
 .../AppHost/HostedAppModel.cs                 | 20 ++++++++++++++++
 .../AppHost/PerspexAppHost.cs                 |  3 ++-
 .../Perspex.Designer/Comm/CommChannel.cs      |  2 +-
 .../InProcDesigner/InProcDesignerView.xaml    | 24 +++++++++++++------
 7 files changed, 64 insertions(+), 12 deletions(-)

diff --git a/src/Perspex.Application/Designer/Designer.cs b/src/Perspex.Application/Designer/Designer.cs
index 665eb3447f..a04e1d1fef 100644
--- a/src/Perspex.Application/Designer/Designer.cs
+++ b/src/Perspex.Application/Designer/Designer.cs
@@ -29,10 +29,17 @@ namespace Perspex.Designer
         
         public static void Init(Dictionary<string, object> shared)
         {
-            Api = new DesignerApi(shared) {UpdateXaml = UpdateXaml};
+            Api = new DesignerApi(shared) {UpdateXaml = UpdateXaml, SetScalingFactor = SetScalingFactor};
             new DesignerApp();
         }
 
+        private static void SetScalingFactor(double factor)
+        {
+            PlatformManager.SetDesignerScalingFactor(factor);
+            if (s_currentWindow != null)
+                s_currentWindow.PlatformImpl.ClientSize = s_currentWindow.ClientSize;
+        }
+
         static Window s_currentWindow;
 
         private static void UpdateXaml(string xaml)
diff --git a/src/Perspex.Application/Designer/DesignerApi.cs b/src/Perspex.Application/Designer/DesignerApi.cs
index 944bd86705..aebc621786 100644
--- a/src/Perspex.Application/Designer/DesignerApi.cs
+++ b/src/Perspex.Application/Designer/DesignerApi.cs
@@ -46,6 +46,11 @@ namespace Perspex.Designer
             get { return (Action<IntPtr>) Get(); }
         }
 
+        public Action<double> SetScalingFactor
+        {
+            set { Set(value);}
+            get { return (Action<double>) Get(); }
+        }
 
     }
 }
diff --git a/src/Perspex.Controls/Platform/PlatformManager.cs b/src/Perspex.Controls/Platform/PlatformManager.cs
index 4983fc0483..383eecd5c7 100644
--- a/src/Perspex.Controls/Platform/PlatformManager.cs
+++ b/src/Perspex.Controls/Platform/PlatformManager.cs
@@ -19,6 +19,7 @@ namespace Perspex.Controls.Platform
             => PerspexLocator.Current.GetService<IPlatformSettings>();
 
         static bool s_designerMode;
+        private static double _designerScalingFactor = 1;
 
         public static IRenderTarget CreateRenderTarget(ITopLevelImpl window)
         {
@@ -33,6 +34,14 @@ namespace Perspex.Controls.Platform
             return Disposable.Create(() => s_designerMode = false);
         }
 
+        public static void SetDesignerScalingFactor(double factor)
+        {
+            _designerScalingFactor = factor;
+        }
+
+        static double RenderScalingFactor => (GetSettings()?.RenderScalingFactor ?? 1)*_designerScalingFactor;
+        static double LayoutScalingFactor => (GetSettings()?.LayoutScalingFactor ?? 1) * _designerScalingFactor;
+
         class RenderTargetDecorator : IRenderTarget
         {
             private readonly IRenderTarget _target;
@@ -53,7 +62,7 @@ namespace Perspex.Controls.Platform
             {
                 var cs = _window.ClientSize;
                 var ctx = _target.CreateDrawingContext();
-                var factor = GetSettings()?.RenderScalingFactor ?? 1;
+                var factor = RenderScalingFactor;
                 if (factor != 1)
                 {
                     ctx.PushPostTransform(Matrix.CreateScale(factor, factor));
@@ -70,7 +79,7 @@ namespace Perspex.Controls.Platform
             private readonly IPopupImpl _popup;
 
             public ITopLevelImpl TopLevel => _tl;
-            double ScalingFactor => GetSettings()?.LayoutScalingFactor ?? 1;
+            double ScalingFactor => LayoutScalingFactor;
 
             public WindowDecorator(ITopLevelImpl tl)
             {
diff --git a/src/Windows/Perspex.Designer/AppHost/HostedAppModel.cs b/src/Windows/Perspex.Designer/AppHost/HostedAppModel.cs
index 649b5d48ee..1be709216a 100644
--- a/src/Windows/Perspex.Designer/AppHost/HostedAppModel.cs
+++ b/src/Windows/Perspex.Designer/AppHost/HostedAppModel.cs
@@ -11,10 +11,16 @@ namespace Perspex.Designer.AppHost
 {
     public class HostedAppModel : INotifyPropertyChanged
     {
+        private readonly PerspexAppHost _host;
         private IntPtr _nativeWindowHandle;
         private string _error;
         private string _errorDetails;
 
+        internal HostedAppModel(PerspexAppHost host)
+        {
+            _host = host;
+        }
+
         public IntPtr NativeWindowHandle
         {
             get { return _nativeWindowHandle; }
@@ -48,12 +54,26 @@ namespace Perspex.Designer.AppHost
             }
         }
 
+        public IReadOnlyList<double> AvailableScalingFactors => new List<double>() {1, 2, 4, 8};
+
+        public double CurrentScalingFactor
+        {
+            get { return _currentScalingFactor; }
+            set
+            {
+                _currentScalingFactor = value;
+                _host.Api.SetScalingFactor(value);
+            }
+        }
+
         public void SetError(string error, string details = null)
         {
             Error = error;
             ErrorDetails = details;
         }
 
+        double _currentScalingFactor = 1;
+
         public event PropertyChangedEventHandler PropertyChanged;
 
         [NotifyPropertyChangedInvocator]
diff --git a/src/Windows/Perspex.Designer/AppHost/PerspexAppHost.cs b/src/Windows/Perspex.Designer/AppHost/PerspexAppHost.cs
index 0def6e0f3e..b855019f4c 100644
--- a/src/Windows/Perspex.Designer/AppHost/PerspexAppHost.cs
+++ b/src/Windows/Perspex.Designer/AppHost/PerspexAppHost.cs
@@ -22,12 +22,13 @@ namespace Perspex.Designer.AppHost
         private string _lastXaml;
         private string _currentXaml;
         private bool _initSuccess;
-        private readonly HostedAppModel _appModel = new HostedAppModel();
+        private HostedAppModel _appModel;
         private Control _window;
 
         public PerspexAppHost(CommChannel channel)
         {
             _comm = channel;
+            _appModel = new HostedAppModel(this);
         }
 
         public void Start()
diff --git a/src/Windows/Perspex.Designer/Comm/CommChannel.cs b/src/Windows/Perspex.Designer/Comm/CommChannel.cs
index 4e7bc641c9..a2608c88db 100644
--- a/src/Windows/Perspex.Designer/Comm/CommChannel.cs
+++ b/src/Windows/Perspex.Designer/Comm/CommChannel.cs
@@ -13,7 +13,7 @@ using System.Windows.Threading;
 
 namespace Perspex.Designer.Comm
 {
-    internal class CommChannel : IDisposable
+    class CommChannel : IDisposable
     {
         private readonly BinaryReader _input;
         private readonly BinaryWriter _output;
diff --git a/src/Windows/Perspex.Designer/InProcDesigner/InProcDesignerView.xaml b/src/Windows/Perspex.Designer/InProcDesigner/InProcDesignerView.xaml
index 38e09688cb..795749e6f6 100644
--- a/src/Windows/Perspex.Designer/InProcDesigner/InProcDesignerView.xaml
+++ b/src/Windows/Perspex.Designer/InProcDesigner/InProcDesignerView.xaml
@@ -4,17 +4,27 @@
              xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
              xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
              xmlns:appHost="clr-namespace:Perspex.Designer.AppHost"
+             xmlns:system="clr-namespace:System;assembly=mscorlib"
              mc:Ignorable="d" 
              d:DesignHeight="300" d:DesignWidth="300" d:DataContext="{d:DesignInstance appHost:HostedAppModel}">
     <DockPanel>
-        <Border x:Name="ErrorPanel" DockPanel.Dock="Bottom" BorderBrush="Red" BorderThickness="3" Padding="3">
-            <StackPanel   Orientation="Horizontal">
-                <TextBlock Text="{Binding Error}" FontSize="16"/>
-                <TextBlock x:Name="DetailsBlock" FontSize="16">
+        <StackPanel Orientation="Horizontal" DockPanel.Dock="Bottom">
+            <ComboBox ItemsSource="{Binding AvailableScalingFactors}" SelectedItem="{Binding CurrentScalingFactor, Mode=TwoWay}">
+                <ComboBox.ItemTemplate>
+                    <DataTemplate DataType="{x:Type system:Double}">
+                        <TextBlock><Run Text="{Binding .}"/>00%</TextBlock>
+                    </DataTemplate>
+                </ComboBox.ItemTemplate>
+            </ComboBox>
+            <Border x:Name="ErrorPanel" BorderBrush="Red" BorderThickness="3" Padding="3">
+                <StackPanel   Orientation="Horizontal">
+                    <TextBlock Text="{Binding Error}" FontSize="16"/>
+                    <TextBlock x:Name="DetailsBlock" FontSize="16">
                 <Run> (</Run><Hyperlink Click="Hyperlink_OnClick">View details</Hyperlink><Run>)</Run>
-                </TextBlock>
-            </StackPanel>
-        </Border>
+                    </TextBlock>
+                </StackPanel>
+            </Border>
+        </StackPanel>
         <WindowsFormsHost x:Name="WindowHostControl"/>
     </DockPanel>
 </UserControl>

From 3c78704f557cc87f4cd5bf28f592df30da7e2974 Mon Sep 17 00:00:00 2001
From: Nikita Tsukanov <keks9n@gmail.com>
Date: Fri, 27 Nov 2015 00:15:19 +0300
Subject: [PATCH 3/6] Fix for tests

---
 .../Perspex.Controls.UnitTests.csproj         |  1 +
 .../Primitives/PopupTests.cs                  |  2 +-
 .../Primitives/WindowingPlatformMock.cs       | 21 +++++++++++++++++++
 .../Utils/HotKeyManagerTests.cs               |  4 ++--
 4 files changed, 25 insertions(+), 3 deletions(-)
 create mode 100644 tests/Perspex.Controls.UnitTests/Primitives/WindowingPlatformMock.cs

diff --git a/tests/Perspex.Controls.UnitTests/Perspex.Controls.UnitTests.csproj b/tests/Perspex.Controls.UnitTests/Perspex.Controls.UnitTests.csproj
index f299a47e6d..c441eedf59 100644
--- a/tests/Perspex.Controls.UnitTests/Perspex.Controls.UnitTests.csproj
+++ b/tests/Perspex.Controls.UnitTests/Perspex.Controls.UnitTests.csproj
@@ -88,6 +88,7 @@
     <Compile Include="BorderTests.cs" />
     <Compile Include="ListBoxTests_Single.cs" />
     <Compile Include="Primitives\SelectingItemsControlTests_Multiple.cs" />
+    <Compile Include="Primitives\WindowingPlatformMock.cs" />
     <Compile Include="TreeViewTests.cs" />
     <Compile Include="Mixins\SelectableMixinTests.cs" />
     <Compile Include="StackPanelTests.cs" />
diff --git a/tests/Perspex.Controls.UnitTests/Primitives/PopupTests.cs b/tests/Perspex.Controls.UnitTests/Primitives/PopupTests.cs
index 18d7867b0f..172d2320f1 100644
--- a/tests/Perspex.Controls.UnitTests/Primitives/PopupTests.cs
+++ b/tests/Perspex.Controls.UnitTests/Primitives/PopupTests.cs
@@ -267,7 +267,7 @@ namespace Perspex.Controls.UnitTests.Primitives
             PerspexLocator.CurrentMutable
                 .Bind<ILayoutManager>().ToTransient<LayoutManager>()
                 .Bind<IGlobalStyles>().ToFunc(() => globalStyles.Object)
-                .Bind<IPopupImpl>().ToConstant(new Mock<IPopupImpl>().Object)
+                .Bind<IWindowingPlatform>().ToConstant(new WindowingPlatformMock())
                 .Bind<IStyler>().ToTransient<Styler>();
 
             return result;
diff --git a/tests/Perspex.Controls.UnitTests/Primitives/WindowingPlatformMock.cs b/tests/Perspex.Controls.UnitTests/Primitives/WindowingPlatformMock.cs
new file mode 100644
index 0000000000..bb879929a5
--- /dev/null
+++ b/tests/Perspex.Controls.UnitTests/Primitives/WindowingPlatformMock.cs
@@ -0,0 +1,21 @@
+using System;
+using Moq;
+using Perspex.Platform;
+
+namespace Perspex.Controls.UnitTests.Primitives
+{
+    class WindowingPlatformMock : IWindowingPlatform
+    {
+        public IWindowImpl CreateWindow()
+        {
+            return new Mock<IWindowImpl>().Object;
+        }
+
+        public IWindowImpl CreateDesignerFriendlyWindow()
+        {
+            throw new NotImplementedException();
+        }
+
+        public IPopupImpl CreatePopup() => new Mock<IPopupImpl>().Object;
+    }
+}
\ No newline at end of file
diff --git a/tests/Perspex.Controls.UnitTests/Utils/HotKeyManagerTests.cs b/tests/Perspex.Controls.UnitTests/Utils/HotKeyManagerTests.cs
index 40949e624a..6cdcd81539 100644
--- a/tests/Perspex.Controls.UnitTests/Utils/HotKeyManagerTests.cs
+++ b/tests/Perspex.Controls.UnitTests/Utils/HotKeyManagerTests.cs
@@ -6,6 +6,7 @@ using System.Threading.Tasks;
 using Moq;
 using Perspex.Controls.Presenters;
 using Perspex.Controls.Templates;
+using Perspex.Controls.UnitTests.Primitives;
 using Perspex.Input;
 using Perspex.Platform;
 using Perspex.Styling;
@@ -20,11 +21,10 @@ namespace Perspex.Controls.UnitTests.Utils
         {
             using (PerspexLocator.EnterScope())
             {
-                var windowImpl = new Mock<IWindowImpl>();
                 var styler = new Mock<Styler>();
 
                 PerspexLocator.CurrentMutable
-                    .Bind<IWindowImpl>().ToConstant(windowImpl.Object)
+                    .Bind<IWindowingPlatform>().ToConstant(new WindowingPlatformMock())
                     .Bind<IStyler>().ToConstant(styler.Object);
 
                 var gesture1 = new KeyGesture {Key = Key.A, Modifiers = InputModifiers.Control};

From 27e1d4accbea0a41a0206d126c532dd3952adb06 Mon Sep 17 00:00:00 2001
From: Nikita Tsukanov <keks9n@gmail.com>
Date: Fri, 27 Nov 2015 00:25:06 +0300
Subject: [PATCH 4/6] Fix for FullLayoutTests

---
 .../Primitives/WindowingPlatformMock.cs           | 15 ++++++++++++---
 tests/Perspex.Layout.UnitTests/FullLayoutTests.cs |  3 ++-
 .../Perspex.Layout.UnitTests.csproj               |  4 ++++
 3 files changed, 18 insertions(+), 4 deletions(-)

diff --git a/tests/Perspex.Controls.UnitTests/Primitives/WindowingPlatformMock.cs b/tests/Perspex.Controls.UnitTests/Primitives/WindowingPlatformMock.cs
index bb879929a5..6dde6ef4d1 100644
--- a/tests/Perspex.Controls.UnitTests/Primitives/WindowingPlatformMock.cs
+++ b/tests/Perspex.Controls.UnitTests/Primitives/WindowingPlatformMock.cs
@@ -4,11 +4,20 @@ using Perspex.Platform;
 
 namespace Perspex.Controls.UnitTests.Primitives
 {
-    class WindowingPlatformMock : IWindowingPlatform
+    public class WindowingPlatformMock : IWindowingPlatform
     {
+        private readonly Func<IWindowImpl> _windowImpl;
+        private readonly Func<IPopupImpl> _popupImpl;
+
+        public WindowingPlatformMock(Func<IWindowImpl> windowImpl = null, Func<IPopupImpl> popupImpl = null )
+        {
+            _windowImpl = windowImpl;
+            _popupImpl = popupImpl;
+        }
+
         public IWindowImpl CreateWindow()
         {
-            return new Mock<IWindowImpl>().Object;
+            return _windowImpl?.Invoke() ?? new Mock<IWindowImpl>().Object;
         }
 
         public IWindowImpl CreateDesignerFriendlyWindow()
@@ -16,6 +25,6 @@ namespace Perspex.Controls.UnitTests.Primitives
             throw new NotImplementedException();
         }
 
-        public IPopupImpl CreatePopup() => new Mock<IPopupImpl>().Object;
+        public IPopupImpl CreatePopup() => _popupImpl?.Invoke() ?? new Mock<IPopupImpl>().Object;
     }
 }
\ No newline at end of file
diff --git a/tests/Perspex.Layout.UnitTests/FullLayoutTests.cs b/tests/Perspex.Layout.UnitTests/FullLayoutTests.cs
index 53a74dec19..88c0e53827 100644
--- a/tests/Perspex.Layout.UnitTests/FullLayoutTests.cs
+++ b/tests/Perspex.Layout.UnitTests/FullLayoutTests.cs
@@ -9,6 +9,7 @@ using Perspex.Controls;
 using Perspex.Controls.Presenters;
 using Perspex.Controls.Primitives;
 using Perspex.Controls.Templates;
+using Perspex.Controls.UnitTests.Primitives;
 using Perspex.Diagnostics;
 using Perspex.Input;
 using Perspex.Platform;
@@ -149,7 +150,7 @@ namespace Perspex.Layout.UnitTests
                 .Bind<IPlatformRenderInterface>().ToConstant(renderInterface)
                 .Bind<IRenderQueueManager>().ToConstant(renderManager)
                 .Bind<IStyler>().ToConstant(new Styler())
-                .Bind<IWindowImpl>().ToConstant(windowImpl.Object);
+                .Bind<IWindowingPlatform>().ToConstant(new WindowingPlatformMock(() => windowImpl.Object));
 
             var theme = new DefaultTheme();
             globalStyles.Setup(x => x.Styles).Returns(theme);
diff --git a/tests/Perspex.Layout.UnitTests/Perspex.Layout.UnitTests.csproj b/tests/Perspex.Layout.UnitTests/Perspex.Layout.UnitTests.csproj
index 15f1a5cc25..08e0e2c7a0 100644
--- a/tests/Perspex.Layout.UnitTests/Perspex.Layout.UnitTests.csproj
+++ b/tests/Perspex.Layout.UnitTests/Perspex.Layout.UnitTests.csproj
@@ -137,6 +137,10 @@
       <Project>{3E10A5FA-E8DA-48B1-AD44-6A5B6CB7750F}</Project>
       <Name>Perspex.Themes.Default</Name>
     </ProjectReference>
+    <ProjectReference Include="..\Perspex.Controls.UnitTests\Perspex.Controls.UnitTests.csproj">
+      <Project>{5ccb5571-7c30-4e7d-967d-0e2158ebd91f}</Project>
+      <Name>Perspex.Controls.UnitTests</Name>
+    </ProjectReference>
   </ItemGroup>
   <ItemGroup>
     <None Include="app.config" />

From 6e33686ff6bfb6a6fba0ad9d1e0c7bc695ccf5ef Mon Sep 17 00:00:00 2001
From: Nikita Tsukanov <keks9n@gmail.com>
Date: Fri, 27 Nov 2015 14:44:44 +0300
Subject: [PATCH 5/6] CreateDesignerFriendlyWindow -> CreateEmbeddableWindow

---
 src/Android/Perspex.Android/AndroidPlatform.cs                  | 2 +-
 src/Gtk/Perspex.Gtk/GtkPlatform.cs                              | 2 +-
 src/Perspex.Controls/Platform/IWindowingPlatform.cs             | 2 +-
 src/Perspex.Controls/Platform/PlatformManager.cs                | 2 +-
 src/Windows/Perspex.Win32/Win32Platform.cs                      | 2 +-
 src/iOS/Perspex.iOS/PerspexAppDelegate.cs                       | 2 +-
 .../Primitives/WindowingPlatformMock.cs                         | 2 +-
 7 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/src/Android/Perspex.Android/AndroidPlatform.cs b/src/Android/Perspex.Android/AndroidPlatform.cs
index 9276cba150..4b02a14aa0 100644
--- a/src/Android/Perspex.Android/AndroidPlatform.cs
+++ b/src/Android/Perspex.Android/AndroidPlatform.cs
@@ -57,7 +57,7 @@ namespace Perspex.Android
             return new WindowImpl();
         }
 
-        public IWindowImpl CreateDesignerFriendlyWindow()
+        public IWindowImpl CreateEmbeddableWindow()
         {
             throw new NotImplementedException();
         }
diff --git a/src/Gtk/Perspex.Gtk/GtkPlatform.cs b/src/Gtk/Perspex.Gtk/GtkPlatform.cs
index 014048854d..b8a6d5c511 100644
--- a/src/Gtk/Perspex.Gtk/GtkPlatform.cs
+++ b/src/Gtk/Perspex.Gtk/GtkPlatform.cs
@@ -90,7 +90,7 @@ namespace Perspex.Gtk
             return new WindowImpl();
         }
 
-        public IWindowImpl CreateDesignerFriendlyWindow()
+        public IWindowImpl CreateEmbeddableWindow()
         {
             throw new NotSupportedException();
         }
diff --git a/src/Perspex.Controls/Platform/IWindowingPlatform.cs b/src/Perspex.Controls/Platform/IWindowingPlatform.cs
index 99176b720e..5a12fbdeb2 100644
--- a/src/Perspex.Controls/Platform/IWindowingPlatform.cs
+++ b/src/Perspex.Controls/Platform/IWindowingPlatform.cs
@@ -9,7 +9,7 @@ namespace Perspex.Platform
     public interface IWindowingPlatform
     {
         IWindowImpl CreateWindow();
-        IWindowImpl CreateDesignerFriendlyWindow();
+        IWindowImpl CreateEmbeddableWindow();
         IPopupImpl CreatePopup();
     }
 }
diff --git a/src/Perspex.Controls/Platform/PlatformManager.cs b/src/Perspex.Controls/Platform/PlatformManager.cs
index 383eecd5c7..1e13b926c0 100644
--- a/src/Perspex.Controls/Platform/PlatformManager.cs
+++ b/src/Perspex.Controls/Platform/PlatformManager.cs
@@ -184,7 +184,7 @@ namespace Perspex.Controls.Platform
         {
             var platform = PerspexLocator.Current.GetService<IWindowingPlatform>();
             return
-                new WindowDecorator(s_designerMode ? platform.CreateDesignerFriendlyWindow() : platform.CreateWindow());
+                new WindowDecorator(s_designerMode ? platform.CreateEmbeddableWindow() : platform.CreateWindow());
         }
 
         public static IPopupImpl CreatePopup()
diff --git a/src/Windows/Perspex.Win32/Win32Platform.cs b/src/Windows/Perspex.Win32/Win32Platform.cs
index 5c8c475f17..89c6646b0c 100644
--- a/src/Windows/Perspex.Win32/Win32Platform.cs
+++ b/src/Windows/Perspex.Win32/Win32Platform.cs
@@ -163,7 +163,7 @@ namespace Perspex.Win32
             return new WindowImpl();
         }
 
-        public IWindowImpl CreateDesignerFriendlyWindow()
+        public IWindowImpl CreateEmbeddableWindow()
         {
             return new EmbeddedWindowImpl();
         }
diff --git a/src/iOS/Perspex.iOS/PerspexAppDelegate.cs b/src/iOS/Perspex.iOS/PerspexAppDelegate.cs
index e526f3a69c..3a8c2e00df 100644
--- a/src/iOS/Perspex.iOS/PerspexAppDelegate.cs
+++ b/src/iOS/Perspex.iOS/PerspexAppDelegate.cs
@@ -61,7 +61,7 @@ namespace Perspex.iOS
                 return _window;
             }
 
-            public IWindowImpl CreateDesignerFriendlyWindow()
+            public IWindowImpl CreateEmbeddableWindow()
             {
                 throw new NotImplementedException();
             }
diff --git a/tests/Perspex.Controls.UnitTests/Primitives/WindowingPlatformMock.cs b/tests/Perspex.Controls.UnitTests/Primitives/WindowingPlatformMock.cs
index 6dde6ef4d1..5169ebfa65 100644
--- a/tests/Perspex.Controls.UnitTests/Primitives/WindowingPlatformMock.cs
+++ b/tests/Perspex.Controls.UnitTests/Primitives/WindowingPlatformMock.cs
@@ -20,7 +20,7 @@ namespace Perspex.Controls.UnitTests.Primitives
             return _windowImpl?.Invoke() ?? new Mock<IWindowImpl>().Object;
         }
 
-        public IWindowImpl CreateDesignerFriendlyWindow()
+        public IWindowImpl CreateEmbeddableWindow()
         {
             throw new NotImplementedException();
         }

From abd54620cd83c34b5084d0cb1a172eca41ff46b6 Mon Sep 17 00:00:00 2001
From: Nikita Tsukanov <keks9n@gmail.com>
Date: Fri, 27 Nov 2015 14:45:37 +0300
Subject: [PATCH 6/6] Moved WindowingPlatformMock

---
 .../Perspex.Controls.UnitTests.csproj                           | 2 +-
 .../{Primitives => }/WindowingPlatformMock.cs                   | 2 +-
 tests/Perspex.Layout.UnitTests/FullLayoutTests.cs               | 1 +
 3 files changed, 3 insertions(+), 2 deletions(-)
 rename tests/Perspex.Controls.UnitTests/{Primitives => }/WindowingPlatformMock.cs (94%)

diff --git a/tests/Perspex.Controls.UnitTests/Perspex.Controls.UnitTests.csproj b/tests/Perspex.Controls.UnitTests/Perspex.Controls.UnitTests.csproj
index c441eedf59..c19e639895 100644
--- a/tests/Perspex.Controls.UnitTests/Perspex.Controls.UnitTests.csproj
+++ b/tests/Perspex.Controls.UnitTests/Perspex.Controls.UnitTests.csproj
@@ -88,7 +88,7 @@
     <Compile Include="BorderTests.cs" />
     <Compile Include="ListBoxTests_Single.cs" />
     <Compile Include="Primitives\SelectingItemsControlTests_Multiple.cs" />
-    <Compile Include="Primitives\WindowingPlatformMock.cs" />
+    <Compile Include="WindowingPlatformMock.cs" />
     <Compile Include="TreeViewTests.cs" />
     <Compile Include="Mixins\SelectableMixinTests.cs" />
     <Compile Include="StackPanelTests.cs" />
diff --git a/tests/Perspex.Controls.UnitTests/Primitives/WindowingPlatformMock.cs b/tests/Perspex.Controls.UnitTests/WindowingPlatformMock.cs
similarity index 94%
rename from tests/Perspex.Controls.UnitTests/Primitives/WindowingPlatformMock.cs
rename to tests/Perspex.Controls.UnitTests/WindowingPlatformMock.cs
index 5169ebfa65..989cb5f784 100644
--- a/tests/Perspex.Controls.UnitTests/Primitives/WindowingPlatformMock.cs
+++ b/tests/Perspex.Controls.UnitTests/WindowingPlatformMock.cs
@@ -2,7 +2,7 @@ using System;
 using Moq;
 using Perspex.Platform;
 
-namespace Perspex.Controls.UnitTests.Primitives
+namespace Perspex.Controls.UnitTests
 {
     public class WindowingPlatformMock : IWindowingPlatform
     {
diff --git a/tests/Perspex.Layout.UnitTests/FullLayoutTests.cs b/tests/Perspex.Layout.UnitTests/FullLayoutTests.cs
index 88c0e53827..3ca03c43b7 100644
--- a/tests/Perspex.Layout.UnitTests/FullLayoutTests.cs
+++ b/tests/Perspex.Layout.UnitTests/FullLayoutTests.cs
@@ -9,6 +9,7 @@ using Perspex.Controls;
 using Perspex.Controls.Presenters;
 using Perspex.Controls.Primitives;
 using Perspex.Controls.Templates;
+using Perspex.Controls.UnitTests;
 using Perspex.Controls.UnitTests.Primitives;
 using Perspex.Diagnostics;
 using Perspex.Input;