public void RendererRegistry_Find_ThrowsErrorOnNonWASM()
{
// Act
Exception ex = Assert.Throws <ArgumentException>(() => RendererRegistry.Find(123));
// Assert
Assert.Equal("There is no renderer with ID 123.", ex.Message);
}
public void RendererRegistry_Remove_DoesNothingOnNonWASM()
{
// Act
var result = RendererRegistry.TryRemove(123);
// Assert
Assert.False(result);
}
public static Task DispatchEvent(WebEventDescriptor eventDescriptor, string eventArgsJson)
{
var webEvent = WebEventData.Parse(eventDescriptor, eventArgsJson);
var renderer = RendererRegistry.Find(eventDescriptor.BrowserRendererId);
return(renderer.DispatchEventAsync(
webEvent.EventHandlerId,
webEvent.EventFieldInfo,
webEvent.EventArgs));
}
/// <inheritdoc />
protected override void Dispose(bool disposing)
{
base.Dispose(disposing);
RendererRegistry.TryRemove(_webAssemblyRendererId);
}
/// <summary>
/// Constructs an instance of <see cref="WebAssemblyRenderer"/>.
/// </summary>
/// <param name="serviceProvider">The <see cref="IServiceProvider"/> to use when initializing components.</param>
/// <param name="loggerFactory">The <see cref="ILoggerFactory"/>.</param>
public WebAssemblyRenderer(IServiceProvider serviceProvider, ILoggerFactory loggerFactory)
: base(serviceProvider, loggerFactory)
{
// The WebAssembly renderer registers and unregisters itself with the static registry
_webAssemblyRendererId = RendererRegistry.Add(this);
}
/// <summary>
/// Framework infrastructure, not intended by used by application code.
/// </summary>
public static void SetCurrentRendererRegistry(RendererRegistry registry)
{
_current.Value = registry;
}
// By default the registry will be set to a default value. This means that
// things will 'just work when running in the browser.
//
// Running in Server-Side Blazor - any call into the Circuit will set this value via
// the async local. This will ensure that the incoming call can resolve the correct
// renderer associated with the user context.
static RendererRegistry()
{
_current = new AsyncLocal <RendererRegistry>();
_globalRegistry = new RendererRegistry();
}
