public override CircuitHost CreateCircuitHost(HttpContext httpContext, IClientProxy client)
{
if (!StartupActions.TryGetValue(httpContext.Request.Path, out var config))
{
var message = $"Could not find a Blazor startup action for request path {httpContext.Request.Path}";
throw new InvalidOperationException(message);
}
var scope = _scopeFactory.CreateScope();
var jsRuntime = new RemoteJSRuntime(client);
var rendererRegistry = new RendererRegistry();
var renderer = new RemoteRenderer(scope.ServiceProvider, rendererRegistry, jsRuntime, client);
var synchronizationContext = new CircuitSynchronizationContext();
var circuitHost = new CircuitHost(
scope,
client,
rendererRegistry,
renderer,
config,
jsRuntime,
synchronizationContext);
// Initialize per-circuit data that services need
(circuitHost.Services.GetRequiredService <IJSRuntimeAccessor>() as DefaultJSRuntimeAccessor).JSRuntime = jsRuntime;
(circuitHost.Services.GetRequiredService <ICircuitAccessor>() as DefaultCircuitAccessor).Circuit = circuitHost.Circuit;
return(circuitHost);
}
/// <summary>
/// Sets the current <see cref="Circuit"/>.
/// </summary>
/// <param name="circuitHost">The <see cref="Circuit"/>.</param>
/// <remarks>
/// Calling <see cref="SetCurrentCircuitHost(CircuitHost)"/> will store the circuit
/// and other related values such as the <see cref="IJSRuntime"/> and <see cref="Renderer"/>
/// in the local execution context. Application code should not need to call this method,
/// it is primarily used by the Server-Side Blazor infrastructure.
/// </remarks>
public static void SetCurrentCircuitHost(CircuitHost circuitHost)
{
if (circuitHost == null)
{
throw new ArgumentNullException(nameof(circuitHost));
}
_current.Value = circuitHost;
Microsoft.JSInterop.JSRuntime.SetCurrentJSRuntime(circuitHost.JSRuntime);
RendererRegistry.SetCurrentRendererRegistry(circuitHost.RendererRegistry);
}
internal Circuit(CircuitHost circuitHost)
{
JSRuntime = circuitHost.JSRuntime;
Services = circuitHost.Services;
}