Add tv support to form factor (#14194)

* add tv support to form factor

* Resolve comments and add chromium book

* Add some documentation

---------

Co-authored-by: Max Katz <maxkatz6@outlook.com>

samples/ControlCatalog/Pages/PlatformInfoPage.xaml

@@ -19,6 +19,9 @@
         <Border Height="100" Width="100" Background="{OnFormFactor Gray, Mobile=Green}">
           <TextBlock Text="Mobile" />
         </Border>
+        <Border Height="100" Width="100" Background="{OnFormFactor Gray, TV=Green}">
+          <TextBlock Text="Tv" />
+        </Border>
       </StackPanel>
       <WrapPanel>
         <Border Height="100" Width="100" Background="{OnPlatform Gray, Windows=Green}">

src/Android/Avalonia.Android/AndroidPlatform.cs

@@ -20,7 +20,7 @@ namespace Avalonia
         public static AppBuilder UseAndroid(this AppBuilder builder)
         {
             return builder
-                .UseStandardRuntimePlatformSubsystem()
+                .UseAndroidRuntimePlatformSubsystem()
                 .UseWindowingSubsystem(() => AndroidPlatform.Initialize(), "Android")
                 .UseSkia();
         }

src/Android/Avalonia.Android/AndroidRuntimePlatform.cs

@@ -0,0 +1,52 @@
+using System;
+using Android.Content.PM;
+using Android.Content;
+using Avalonia.Platform;
+using App = Android.App.Application;
+using System.Reflection;
+
+namespace Avalonia
+{
+    internal static class AndroidRuntimePlatformServices
+    {
+        public static AppBuilder UseAndroidRuntimePlatformSubsystem(this AppBuilder builder)
+        {
+            builder.UseRuntimePlatformSubsystem(() => Register(builder.ApplicationType?.Assembly), nameof(AndroidRuntimePlatform));
+            return builder;
+        }
+
+        public static void Register(Assembly? assembly = null)
+        {
+            AssetLoader.RegisterResUriParsers();
+            AvaloniaLocator.CurrentMutable
+                .Bind<IRuntimePlatform>().ToSingleton<AndroidRuntimePlatform>()
+                .Bind<IAssetLoader>().ToConstant(new StandardAssetLoader(assembly));
+        }
+    }
+
+
+    internal class AndroidRuntimePlatform : StandardRuntimePlatform
+    {
+        private static readonly Lazy<RuntimePlatformInfo> Info = new(() =>
+        {
+            var isDesktop = IsRunningOnDesktop(App.Context);
+            var isTv = IsRunningOnTv(App.Context);
+
+            return new RuntimePlatformInfo
+            {
+                IsDesktop = isDesktop,
+                IsMobile = !isTv && !isDesktop,
+                IsTV = isTv
+            };
+        });
+
+        private static bool IsRunningOnDesktop(Context context) =>
+            context.PackageManager.HasSystemFeature("org.chromium.arc") ||
+            context.PackageManager.HasSystemFeature("org.chromium.arc.device_management");
+
+        private static bool IsRunningOnTv(Context context) => 
+            context.PackageManager.HasSystemFeature(PackageManager.FeatureLeanback);
+
+        public override RuntimePlatformInfo GetRuntimeInfo() => Info.Value;
+    }
+}

src/Avalonia.Base/Platform/IRuntimePlatform.cs

@@ -13,15 +13,17 @@ namespace Avalonia.Platform
     public record struct RuntimePlatformInfo
     {
         public FormFactorType FormFactor => IsDesktop ? FormFactorType.Desktop :
-            IsMobile ? FormFactorType.Mobile : FormFactorType.Unknown;
+            IsMobile ? FormFactorType.Mobile : IsTV ? FormFactorType.TV : FormFactorType.Unknown;
         public bool IsDesktop { get; set; }
         public bool IsMobile { get; set; }
+        public bool IsTV { get; set; }
     }
 
     public enum FormFactorType
     {
         Unknown,
         Desktop,
-        Mobile
+        Mobile,
+        TV
     }
 }

src/Browser/Avalonia.Browser/BrowserRuntimePlatform.cs

@@ -30,10 +30,12 @@ internal class BrowserRuntimePlatform : StandardRuntimePlatform
     private static readonly Lazy<RuntimePlatformInfo> Info = new(() =>
     {
         var isMobile = AvaloniaModule.IsMobile();
+        var isTv = AvaloniaModule.IsTv();
         var result = new RuntimePlatformInfo
         {
-            IsMobile = isMobile,
-            IsDesktop = !isMobile
+            IsMobile = isMobile && !isTv,
+            IsDesktop = !isMobile && !isTv,
+            IsTV = isTv
         };
         
         return result;

src/Browser/Avalonia.Browser/Interop/AvaloniaModule.cs

@@ -33,7 +33,10 @@ internal static partial class AvaloniaModule
 
     [JSImport("Caniuse.isMobile", AvaloniaModule.MainModuleName)]
     public static partial bool IsMobile();
-    
+
+    [JSImport("Caniuse.isTv", AvaloniaModule.MainModuleName)]
+    public static partial bool IsTv();
+
     [JSImport("registerServiceWorker", AvaloniaModule.MainModuleName)]
     public static partial void RegisterServiceWorker(string path, string? scope);
 }

src/Browser/Avalonia.Browser/webapp/modules/avalonia/caniuse.ts

@@ -14,4 +14,8 @@ export class Caniuse {
         const regex2 = /1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw(n|u)|c55\/|capi|ccwa|cdm|cell|chtm|cldc|cmd|co(mp|nd)|craw|da(it|ll|ng)|dbte|dcs|devi|dica|dmob|do(c|p)o|ds(12|d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(|_)|g1 u|g560|gene|gf5|gmo|go(\.w|od)|gr(ad|un)|haie|hcit|hd(m|p|t)|hei|hi(pt|ta)|hp( i|ip)|hsc|ht(c(| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i(20|go|ma)|i230|iac( ||\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|[a-w])|libw|lynx|m1w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|mcr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|([1-8]|c))|phil|pire|pl(ay|uc)|pn2|po(ck|rt|se)|prox|psio|ptg|qaa|qc(07|12|21|32|60|[2-7]|i)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h|oo|p)|sdk\/|se(c(|0|1)|47|mc|nd|ri)|sgh|shar|sie(|m)|sk0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h|v|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl|tdg|tel(i|m)|tim|tmo|to(pl|sh)|ts(70|m|m3|m5)|tx9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas|your|zeto|zte/i;
         return regex1.test(userAgent) || regex2.test(userAgent.substr(0, 4));
     }
+
+    public static isTv(): boolean {
+        return navigator.userAgent.includes("SmartTV");
+    }
 }

src/Markup/Avalonia.Markup.Xaml/MarkupExtensions/OnFormFactorExtension.cs

@@ -4,6 +4,7 @@ using Avalonia.Platform;
 
 namespace Avalonia.Markup.Xaml.MarkupExtensions;
 
+/// <inheritdoc/>
 public sealed class OnFormFactorExtension : OnFormFactorExtensionBase<object, On>
 {
     public OnFormFactorExtension()
@@ -22,6 +23,7 @@ public sealed class OnFormFactorExtension : OnFormFactorExtensionBase<object, On
     }
 }
 
+/// <inheritdoc/>
 public sealed class OnFormFactorExtension<TReturn> : OnFormFactorExtensionBase<TReturn, On<TReturn>>
 {
     public OnFormFactorExtension()
@@ -40,18 +42,38 @@ public sealed class OnFormFactorExtension<TReturn> : OnFormFactorExtensionBase<T
     }
 }
 
+/// <summary>
+/// Provides form factor-specific value for T for the current target device.
+/// This extension defines "form-factor" as a "device type" rather than "screen type".
+/// </summary>
 public abstract class OnFormFactorExtensionBase<TReturn, TOn> : IAddChild<TOn>
     where TOn : On<TReturn>
 {
+    /// <summary>
+    /// Gets or sets the value applied by default.
+    /// If not set, default(TReturn) is assigned to the value.
+    /// </summary>
     [MarkupExtensionDefaultOption]
     public TReturn? Default { get; set; }
 
+    /// <summary>
+    /// Gets or sets the value applied on desktop systems.
+    /// </summary>
     [MarkupExtensionOption(FormFactorType.Desktop)]
     public TReturn? Desktop { get; set; }
 
+    /// <summary>
+    /// Gets or sets the value applied on mobile systems.
+    /// </summary>
     [MarkupExtensionOption(FormFactorType.Mobile)]
     public TReturn? Mobile { get; set; }
 
+    /// <summary>
+    /// Gets or sets the value applied on TV systems.
+    /// </summary>
+    [MarkupExtensionOption(FormFactorType.TV)]
+    public TReturn? TV { get; set; }
+
     // Required for the compiler, will be replaced with actual method compile time.
     public object ProvideValue() { return this; }
     void IAddChild<TOn>.AddChild(TOn child) {}

src/Tizen/Avalonia.Tizen/TizenApplicationExtensions.cs

@@ -1,4 +1,7 @@
-namespace Avalonia.Tizen;
+using System.Reflection;
+using Avalonia.Platform;
+
+namespace Avalonia.Tizen;
 
 /// <summary>
 /// Extension to setup app builder with tizen backend 
@@ -13,8 +16,8 @@ public static class TizenApplicationExtensions
     public static AppBuilder UseTizen(this AppBuilder builder)
     {
         return builder
+            .UseTizenRuntimePlatformSubsystem()
             .UseWindowingSubsystem(TizenPlatform.Initialize, "Tizen")
-            .UseStandardRuntimePlatformSubsystem()
             .UseSkia();
     }
 }

src/Tizen/Avalonia.Tizen/TizenRuntimePlatform.cs

@@ -0,0 +1,38 @@
+using System.Reflection;
+using Avalonia.Platform;
+
+namespace Avalonia.Tizen;
+
+internal static class TizenRuntimePlatformServices
+{
+    public static AppBuilder UseTizenRuntimePlatformSubsystem(this AppBuilder builder)
+    {
+        builder.UseRuntimePlatformSubsystem(() => Register(builder.ApplicationType?.Assembly), nameof(TizenRuntimePlatform));
+        return builder;
+    }
+
+    public static void Register(Assembly? assembly = null)
+    {
+        AssetLoader.RegisterResUriParsers();
+        AvaloniaLocator.CurrentMutable
+            .Bind<IRuntimePlatform>().ToSingleton<TizenRuntimePlatform>()
+            .Bind<IAssetLoader>().ToConstant(new StandardAssetLoader(assembly));
+    }
+}
+
+internal class TizenRuntimePlatform : StandardRuntimePlatform
+{
+    private static readonly Lazy<RuntimePlatformInfo> Info = new(() =>
+    {
+        global::Tizen.System.Information.TryGetValue("http://tizen.org/feature/profile", out string profile);
+
+        return new RuntimePlatformInfo
+        {
+            IsMobile = profile.Equals("mobile", StringComparison.OrdinalIgnoreCase),
+            IsTV = profile.Equals("tv", StringComparison.OrdinalIgnoreCase),
+            IsDesktop = false
+        };
+    });
+
+    public override RuntimePlatformInfo GetRuntimeInfo() => Info.Value;
+}