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implement BrowserRuntimePlatform that can distinguish between desktop and mobile in a browser.

release/11.0.0-preview3
Dan Walmsley 3 years ago
parent
commit
be4a669cae
  1. 89
      src/Web/Avalonia.Web/BrowserRuntimePlatform.cs
  2. 9
      src/Web/Avalonia.Web/BrowserSingleViewLifetime.cs

89
src/Web/Avalonia.Web/BrowserRuntimePlatform.cs

@ -0,0 +1,89 @@
using System;
using System.Runtime.InteropServices;
using System.Runtime.InteropServices.JavaScript;
using System.Text.RegularExpressions;
using Avalonia.Platform;
namespace Avalonia.Web;
internal class BrowserRuntimePlatform : StandardRuntimePlatform
{
private static readonly Lazy<RuntimePlatformInfo> Info = new(() =>
{
OperatingSystemType os;
bool isBrowserMobile = false;
if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
os = OperatingSystemType.OSX;
else if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
os = OperatingSystemType.Linux;
else if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
os = OperatingSystemType.WinNT;
else if (RuntimeInformation.IsOSPlatform(OSPlatform.Create("Android")))
os = OperatingSystemType.Android;
else if (RuntimeInformation.IsOSPlatform(OSPlatform.Create("iOS")))
os = OperatingSystemType.iOS;
else if (RuntimeInformation.IsOSPlatform(OSPlatform.Create("Browser")))
{
os = OperatingSystemType.Browser;
var navigator = JSHost.GlobalThis.GetPropertyAsJSObject("navigator");
var u = navigator?.GetPropertyAsString("userAgent");
if (u != null)
{
Regex b = new Regex(
@"(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|mobile.+firefox|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows ce|xda|xiino",
RegexOptions.IgnoreCase | RegexOptions.Multiline);
Regex v = new Regex(
@"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|dc\-s|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|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|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|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|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)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|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)|sk\-0|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\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|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\-",
RegexOptions.IgnoreCase | RegexOptions.Multiline);
if ((b.IsMatch(u) || v.IsMatch(u.Substring(0, 4))))
{
isBrowserMobile = true;
}
}
}
else
throw new Exception("Unknown OS platform " + RuntimeInformation.OSDescription);
// Source: https://github.com/dotnet/runtime/blob/main/src/libraries/Common/tests/TestUtilities/System/PlatformDetection.cs
var isCoreClr = Environment.Version.Major >= 5 ||
RuntimeInformation.FrameworkDescription.StartsWith(".NET Core",
StringComparison.OrdinalIgnoreCase);
var isMonoRuntime = Type.GetType("Mono.Runtime") != null;
var isFramework = !isCoreClr &&
RuntimeInformation.FrameworkDescription.StartsWith(".NET Framework",
StringComparison.OrdinalIgnoreCase);
var result = new RuntimePlatformInfo
{
IsCoreClr = isCoreClr,
IsDotNetFramework = isFramework,
IsMono = isMonoRuntime,
IsDesktop = os is OperatingSystemType.Linux or OperatingSystemType.OSX or OperatingSystemType.WinNT,
IsMobile = os is OperatingSystemType.Android or OperatingSystemType.iOS,
IsUnix = os is OperatingSystemType.Linux or OperatingSystemType.OSX or OperatingSystemType.Android,
IsBrowser = os == OperatingSystemType.Browser,
OperatingSystem = os,
};
if (result.IsBrowser)
{
if (isBrowserMobile)
{
result.IsMobile = true;
}
else
{
result.IsDesktop = true;
}
}
return result;
});
public override RuntimePlatformInfo GetRuntimeInfo() => Info.Value;
}

9
src/Web/Avalonia.Web/BrowserSingleViewLifetime.cs

@ -3,6 +3,7 @@ using Avalonia.Controls;
using Avalonia.Controls.ApplicationLifetimes;
using Avalonia.Web.Skia;
using System.Runtime.Versioning;
using Avalonia.Platform;
namespace Avalonia.Web;
@ -23,7 +24,6 @@ public class BrowserPlatformOptions
public Func<string, string> FrameworkAssetPathResolver { get; set; } = new(fileName => $"./{fileName}");
}
[SupportedOSPlatform("browser")]
public static class WebAppBuilder
{
@ -47,6 +47,13 @@ public static class WebAppBuilder
where T : AppBuilderBase<T>, new()
{
return builder
.AfterSetup(_ =>
{
var standardPlatform = new BrowserRuntimePlatform();
AvaloniaLocator.CurrentMutable
.Bind<IRuntimePlatform>().ToConstant(standardPlatform);
})
.UseWindowingSubsystem(BrowserWindowingPlatform.Register)
.UseSkia()
.With(new SkiaOptions { CustomGpuFactory = () => new BrowserSkiaGpu() });

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