feature: Add support for Xamarin TV.OS (#1706)

Author: glennawatson

.github/CODEOWNERS

@@ -27,6 +27,7 @@ src/ReactiveUI/Platforms/net461/*          @reactiveui/wpf-team @reactiveui/winf
 src/ReactiveUI/Platforms/netcoreapp2.0/*   @reactiveui/dotnetcore-team @reactiveui/webassembly-team
 src/ReactiveUI/Platforms/uap10.0.16299/*   @reactiveui/uwp-team
 src/ReactiveUI/Platforms/tizen/*           @reactiveui/tizen-team
+src/ReactiveUI/Platforms/tvos/*            @reactiveui/tvos-team
 src/ReactiveUI/Platforms/windows-common/*  @reactiveui/wpf-team @reactiveui/winforms-team @reactiveui/uwp-team
 src/ReactiveUI/Platforms/xamarin-common/*  @reactiveui/xamarin-forms-team
 

build.cake

@@ -175,6 +175,8 @@ Task("GenerateEvents")
     generate("wpf", "src/ReactiveUI.Events.WPF/");
     generate("xamforms", "src/ReactiveUI.Events.XamForms/");
     generate("winforms", "src/ReactiveUI.Events.Winforms/");
+    generate("essentials", "src/ReactiveUI.Events/");
+    generate("tvos", "src/ReactiveUI.Events/");
 });
 
 Task("BuildReactiveUI")

src/Directory.build.props

@@ -7,7 +7,7 @@
     <Authors>.NET Foundation and Contributors</Authors>
     <Owners>xpaulbettsx;ghuntley</Owners>
     <Product>ReactiveUI ($(TargetFramework))</Product>
-    <PackageTags>mvvm;reactiveui;rx;reactive extensions;observable;LINQ;events;frp;xamarin;android;ios;mac;forms;monodroid;monotouch;xamarin.android;xamarin.ios;xamarin.forms;xamarin.mac;wpf;net;netstandard;net461;uwp;tizen</PackageTags>
+    <PackageTags>mvvm;reactiveui;rx;reactive extensions;observable;LINQ;events;frp;xamarin;android;ios;mac;forms;monodroid;monotouch;xamarin.android;xamarin.ios;xamarin.forms;xamarin.mac;xamarin.tvos;wpf;net;netstandard;net461;uwp;tizen</PackageTags>
     <PackageReleaseNotes>https://reactiveui.net/blog/</PackageReleaseNotes>
 
     <NoWarn>$(NoWarn);1591;1701;1702;1705</NoWarn>

src/Directory.build.targets

@@ -13,6 +13,9 @@
   </PropertyGroup>
    <PropertyGroup Condition="'$(TargetFramework)' == 'Xamarin.Mac20'">
     <DefineConstants>$(DefineConstants);MONO;COCOA</DefineConstants>
+  </PropertyGroup>
+   <PropertyGroup Condition="'$(TargetFramework)' == 'Xamarin.TVOS10'">
+    <DefineConstants>$(DefineConstants);MONO;UIKIT;COCOA;TVOS10</DefineConstants>
   </PropertyGroup>
   <PropertyGroup Condition="'$(TargetFramework)' == 'MonoAndroid80'">
     <DefineConstants>$(DefineConstants);MONO;ANDROID</DefineConstants>

src/EventBuilder/CommandLineOptions.cs

@@ -19,6 +19,7 @@ public enum AutoPlatform
         XamForms,
         UWP,
         Winforms,
+        TVOS,
         Essentials
     }
 
@@ -29,7 +30,7 @@ public class CommandLineOptions
 
         [Option('p', "platform", Required = true,
             HelpText =
-                "Platform to automatically generate. Possible options include: NONE, ANDROID, IOS, WPF, MAC, TIZEN, UWP, XAMFORMS, WINFORMS"
+                "Platform to automatically generate. Possible options include: NONE, ANDROID, IOS, WPF, MAC, TIZEN, UWP, XAMFORMS, WINFORMS, TVOS"
             )]
         public AutoPlatform Platform { get; set; }
 

src/EventBuilder/Platforms/tvOS.cs

@@ -0,0 +1,35 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System.IO;
+using System.Linq;
+
+namespace EventBuilder.Platforms
+{
+    // ReSharper disable once InconsistentNaming
+    public class TVOS : BasePlatform
+    {
+        public override AutoPlatform Platform => AutoPlatform.TVOS;
+		
+        public TVOS(string referenceAssembliesLocation)
+        {
+            if (PlatformHelper.IsRunningOnMono()) {
+                var assembly =
+                    @"/Library/Frameworks/Xamarin.iOS.framework/Versions/Current/lib/mono/Xamarin.TVOS10/Xamarin.TVOS10.dll";
+                Assemblies.Add(assembly);
+
+                CecilSearchDirectories.Add(Path.GetDirectoryName(assembly));
+            } else {
+                var assemblies =
+                    Directory.GetFiles(Path.Combine(referenceAssembliesLocation, "Xamarin.TVOS"),
+                        "Xamarin.TVOS.dll", SearchOption.AllDirectories);
+
+                var latestVersion = assemblies.Last();
+                Assemblies.Add(latestVersion);
+
+                CecilSearchDirectories.Add(Path.GetDirectoryName(latestVersion));
+            }
+        }
+    }
+}

src/EventBuilder/Program.cs

@@ -93,7 +93,11 @@ private static void Main(string[] args)
                         platform = new Mac(_referenceAssembliesLocation);
                         break;
 
-                    case AutoPlatform.WPF:
+                    case AutoPlatform.TVOS:
+                        platform = new TVOS(_referenceAssembliesLocation);
+                        break;
+
+					case AutoPlatform.WPF:
                         platform = new WPF();
                         break;
 

src/ReactiveUI.Events/ReactiveUI.Events.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="MSBuild.Sdk.Extras">
   <PropertyGroup>
-    <TargetFrameworks>uap10.0.16299;Xamarin.iOS10;Xamarin.Mac20;MonoAndroid80;tizen40</TargetFrameworks>
+    <TargetFrameworks>uap10.0.16299;Xamarin.iOS10;Xamarin.Mac20;Xamarin.TVOS10;MonoAndroid80;tizen40</TargetFrameworks>
     <AssemblyName>ReactiveUI.Events</AssemblyName>
     <RootNamespace>ReactiveUI.Events</RootNamespace>
     <Description>Provides Observable-based events API for common UI controls/eventhandlers. The contents of this package is automatically generated, please target pull-requests to the code generator.</Description>
@@ -43,4 +43,8 @@
   <ItemGroup Condition=" '$(TargetFramework)' == 'Xamarin.Mac20' ">
     <Reference Include="netstandard" />
   </ItemGroup>
+
+  <ItemGroup Condition=" '$(TargetFramework)' == 'Xamarin.TVOS10' ">
+    <Reference Include="netstandard" />
+  </ItemGroup>
 </Project>

src/ReactiveUI.Fody.Helpers/ReactiveUI.Fody.Helpers.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="MSBuild.Sdk.Extras">
   <PropertyGroup>
-    <TargetFrameworks>netstandard2.0;net461;uap10.0.16299;Xamarin.iOS10;Xamarin.Mac20;MonoAndroid80;netcoreapp2.0</TargetFrameworks>
+    <TargetFrameworks>netstandard2.0;net461;uap10.0.16299;Xamarin.iOS10;Xamarin.Mac20;Xamarin.TVOS10;MonoAndroid80;netcoreapp2.0</TargetFrameworks>
     <AssemblyName>ReactiveUI.Fody.Helpers</AssemblyName>
     <RootNamespace>ReactiveUI.Fody.Helpers</RootNamespace>
     <Description>Fody extension to generate RaisePropertyChange notifications for properties and ObservableAsPropertyHelper properties.</Description>
@@ -28,6 +28,10 @@
     <Reference Include="System.Runtime.Serialization" />    
   </ItemGroup>
 
+  <ItemGroup Condition="$(TargetFramework.StartsWith('Xamarin.TVOS10'))">
+    <Reference Include="System.Runtime.Serialization" />    
+  </ItemGroup>
+
   <ItemGroup Condition="$(TargetFramework.StartsWith('Xamarin.Mac'))">
     <Reference Include="System.Runtime.Serialization" />    
   </ItemGroup>

src/ReactiveUI.Testing/ReactiveUI.Testing.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="MSBuild.Sdk.Extras">
   <PropertyGroup>
-    <TargetFrameworks>netstandard2.0;netcoreapp2.0;net461;uap10.0.16299;Xamarin.iOS10;Xamarin.Mac20;MonoAndroid80</TargetFrameworks>
+    <TargetFrameworks>netstandard2.0;netcoreapp2.0;net461;uap10.0.16299;Xamarin.iOS10;Xamarin.Mac20;Xamarin.TVOS10;MonoAndroid80</TargetFrameworks>
     <AssemblyName>ReactiveUI.Testing</AssemblyName>
     <RootNamespace>ReactiveUI.Testing</RootNamespace>
     <Description>A library to aid in writing unit tests for ReactiveUI projects</Description>