Add IsMobileDevice for HttpBrowserCapabilities.

src/Microsoft.AspNetCore.SystemWebAdapters/Configuration/HttpCapabilitiesBase.cs

@@ -23,4 +23,6 @@ private protected HttpCapabilitiesBase(BrowserCapabilitiesFactory factory, strin
     public string? Platform => _data["platform"];
 
     public bool Crawler => _data.GetBoolean("crawler");
+
+    public bool IsMobileDevice => _data.GetBoolean("isMobileDevice");
 }

src/Microsoft.AspNetCore.SystemWebAdapters/Generated/Ref.Standard.cs

@@ -27,6 +27,7 @@ public partial class HttpBrowserCapabilitiesBase
         public HttpBrowserCapabilitiesBase() { throw new System.PlatformNotSupportedException("Only supported when running on ASP.NET Core or System.Web");}
         public virtual string Browser { get { throw new System.PlatformNotSupportedException("Only supported when running on ASP.NET Core or System.Web");} }
         public virtual bool Crawler { get { throw new System.PlatformNotSupportedException("Only supported when running on ASP.NET Core or System.Web");} }
+        public virtual bool IsMobileDevice { get { throw new System.PlatformNotSupportedException("Only supported when running on ASP.NET Core or System.Web");} }
         public virtual int MajorVersion { get { throw new System.PlatformNotSupportedException("Only supported when running on ASP.NET Core or System.Web");} }
         public virtual double MinorVersion { get { throw new System.PlatformNotSupportedException("Only supported when running on ASP.NET Core or System.Web");} }
         public virtual string Platform { get { throw new System.PlatformNotSupportedException("Only supported when running on ASP.NET Core or System.Web");} }
@@ -37,6 +38,7 @@ public partial class HttpBrowserCapabilitiesWrapper : System.Web.HttpBrowserCapa
         public HttpBrowserCapabilitiesWrapper(System.Web.HttpBrowserCapabilities capabilities) { throw new System.PlatformNotSupportedException("Only supported when running on ASP.NET Core or System.Web");}
         public override string Browser { get { throw new System.PlatformNotSupportedException("Only supported when running on ASP.NET Core or System.Web");} }
         public override bool Crawler { get { throw new System.PlatformNotSupportedException("Only supported when running on ASP.NET Core or System.Web");} }
+        public override bool IsMobileDevice { get { throw new System.PlatformNotSupportedException("Only supported when running on ASP.NET Core or System.Web");} }
         public override int MajorVersion { get { throw new System.PlatformNotSupportedException("Only supported when running on ASP.NET Core or System.Web");} }
         public override double MinorVersion { get { throw new System.PlatformNotSupportedException("Only supported when running on ASP.NET Core or System.Web");} }
         public override string Platform { get { throw new System.PlatformNotSupportedException("Only supported when running on ASP.NET Core or System.Web");} }
@@ -511,6 +513,7 @@ public partial class HttpCapabilitiesBase
         internal HttpCapabilitiesBase() { }
         public string Browser { get { throw new System.PlatformNotSupportedException("Only supported when running on ASP.NET Core or System.Web");} }
         public bool Crawler { get { throw new System.PlatformNotSupportedException("Only supported when running on ASP.NET Core or System.Web");} }
+        public bool IsMobileDevice { get { throw new System.PlatformNotSupportedException("Only supported when running on ASP.NET Core or System.Web");} }
         public int MajorVersion { get { throw new System.PlatformNotSupportedException("Only supported when running on ASP.NET Core or System.Web");} }
         public double MinorVersion { get { throw new System.PlatformNotSupportedException("Only supported when running on ASP.NET Core or System.Web");} }
         public string Platform { get { throw new System.PlatformNotSupportedException("Only supported when running on ASP.NET Core or System.Web");} }

src/Microsoft.AspNetCore.SystemWebAdapters/HttpBrowserCapabilitiesBase.cs

@@ -17,4 +17,6 @@ public class HttpBrowserCapabilitiesBase
     public virtual string? Platform => throw new NotImplementedException();
 
     public virtual bool Crawler => throw new NotImplementedException();
+
+    public virtual bool IsMobileDevice => throw new NotImplementedException();
 }

src/Microsoft.AspNetCore.SystemWebAdapters/HttpBrowserCapabilitiesWrapper.cs

@@ -23,4 +23,6 @@ public HttpBrowserCapabilitiesWrapper(HttpBrowserCapabilities capabilities)
     public override string? Version => _capabilities.Version;
 
     public override bool Crawler => _capabilities.Crawler;
+
+    public override bool IsMobileDevice => _capabilities.IsMobileDevice;
 }

test/Microsoft.AspNetCore.SystemWebAdapters.Tests/Configuration/BrowserCapabilitiesFactoryTests.cs

@@ -1,6 +1,7 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
+using System;
 using System.Collections.Generic;
 using System.Web.Configuration;
 using Xunit;
@@ -26,6 +27,7 @@ public void VerifyCapabilities(TestData data)
         Assert.Equal(data.MajorVersion, result["majorversion"]);
         Assert.Equal(data.MinorVersion, result["minorversion"]);
         Assert.Equal(data.Platform, result["platform"]);
+        Assert.Equal(data.IsMobileDevice, Convert.ToBoolean(result["isMobileDevice"]));
     }
 
     [System.Diagnostics.CodeAnalysis.SuppressMessage("Design", "CA1034:Nested types should not be visible", Justification = "Used for tests")]
@@ -43,6 +45,8 @@ public record TestData(string UserAgent)
 
         public string? Crawler { get; init; }
 
+        public bool IsMobileDevice { get; init; }
+
         public override string ToString() => UserAgent;
     }
 
@@ -59,6 +63,7 @@ public static IEnumerable<object[]> UserAgentTestData
                         MajorVersion = "102",
                         MinorVersion = "0",
                         Platform = "WinNT",
+                        IsMobileDevice = false
                     }
             };
 
@@ -71,6 +76,7 @@ public static IEnumerable<object[]> UserAgentTestData
                         MajorVersion = "102",
                         MinorVersion = "0",
                         Platform = "Unknown",
+                        IsMobileDevice = false
                     }
             };
 
@@ -83,6 +89,7 @@ public static IEnumerable<object[]> UserAgentTestData
                         MajorVersion = "0",
                         MinorVersion = "0",
                         Platform = "Unknown",
+                        IsMobileDevice = true
                     }
             };
 
@@ -95,6 +102,7 @@ public static IEnumerable<object[]> UserAgentTestData
                         MajorVersion = "0",
                         MinorVersion = "0",
                         Platform = "Unknown",
+                        IsMobileDevice = true
                     }
             };
 
@@ -107,6 +115,7 @@ public static IEnumerable<object[]> UserAgentTestData
                         MajorVersion = "0",
                         MinorVersion = "0",
                         Platform = "Unknown",
+                        IsMobileDevice = true
                     }
             };
 
@@ -119,6 +128,7 @@ public static IEnumerable<object[]> UserAgentTestData
                         MajorVersion = "102",
                         MinorVersion = "0",
                         Platform = "Unknown",
+                        IsMobileDevice = true
                     }
             };
 
@@ -131,6 +141,7 @@ public static IEnumerable<object[]> UserAgentTestData
                         MajorVersion = "102",
                         MinorVersion = "0",
                         Platform = "Unknown",
+                        IsMobileDevice = true
                     }
             };
 
@@ -144,6 +155,7 @@ public static IEnumerable<object[]> UserAgentTestData
                         MajorVersion = "53",
                         MinorVersion = "0",
                         Platform = "WinNT",
+                        IsMobileDevice = false
                     }
             };
 
@@ -156,6 +168,7 @@ public static IEnumerable<object[]> UserAgentTestData
                         MajorVersion = "101",
                         MinorVersion = "0",
                         Platform = "Unknown",
+                        IsMobileDevice = false
                     }
             };
 
@@ -168,6 +181,7 @@ public static IEnumerable<object[]> UserAgentTestData
                         MajorVersion = "9",
                         MinorVersion = "0",
                         Platform = "WinNT",
+                        IsMobileDevice = false
                     }
             };
             yield return new object[]
@@ -179,6 +193,7 @@ public static IEnumerable<object[]> UserAgentTestData
                         MajorVersion = "10",
                         MinorVersion = "0",
                         Platform = "WinNT",
+                        IsMobileDevice = false
                     }
             };
 
@@ -191,6 +206,7 @@ public static IEnumerable<object[]> UserAgentTestData
                         MajorVersion = "51",
                         MinorVersion = "0",
                         Platform = "WinNT",
+                        IsMobileDevice = false
                     }
             };
 
@@ -203,6 +219,7 @@ public static IEnumerable<object[]> UserAgentTestData
                         MajorVersion = "102",
                         MinorVersion = "0",
                         Platform = "WinNT",
+                        IsMobileDevice = false
                     }
             };
         }