69 lines
2.5 KiB
C#
69 lines
2.5 KiB
C#
// Copyright (c) .NET Foundation. All rights reserved.
|
|
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
|
|
|
|
using System;
|
|
using System.Collections.Generic;
|
|
using System.Linq;
|
|
using System.Threading.Tasks;
|
|
using Microsoft.AspNetCore.Components;
|
|
using Microsoft.AspNetCore.Components.Rendering;
|
|
|
|
namespace Microsoft.AspNetCore.Components.Test.Helpers
|
|
{
|
|
public class TestRenderer : Renderer
|
|
{
|
|
public TestRenderer(): this(new TestServiceProvider())
|
|
{
|
|
}
|
|
|
|
public TestRenderer(IServiceProvider serviceProvider) : base(serviceProvider)
|
|
{
|
|
}
|
|
|
|
public Action<RenderBatch> OnUpdateDisplay { get; set; }
|
|
|
|
public List<CapturedBatch> Batches { get; }
|
|
= new List<CapturedBatch>();
|
|
|
|
public new int AssignRootComponentId(IComponent component)
|
|
=> base.AssignRootComponentId(component);
|
|
|
|
public new void RenderRootComponent(int componentId)
|
|
=> base.RenderRootComponent(componentId);
|
|
|
|
public new Task RenderRootComponentAsync(int componentId)
|
|
=> base.RenderRootComponentAsync(componentId);
|
|
|
|
public new Task RenderRootComponentAsync(int componentId, ParameterCollection parameters)
|
|
=> base.RenderRootComponentAsync(componentId, parameters);
|
|
|
|
public new void DispatchEvent(int componentId, int eventHandlerId, UIEventArgs args)
|
|
=> base.DispatchEvent(componentId, eventHandlerId, args);
|
|
|
|
public T InstantiateComponent<T>() where T : IComponent
|
|
=> (T)InstantiateComponent(typeof(T));
|
|
|
|
protected override Task UpdateDisplayAsync(in RenderBatch renderBatch)
|
|
{
|
|
OnUpdateDisplay?.Invoke(renderBatch);
|
|
|
|
var capturedBatch = new CapturedBatch();
|
|
Batches.Add(capturedBatch);
|
|
|
|
for (var i = 0; i < renderBatch.UpdatedComponents.Count; i++)
|
|
{
|
|
ref var renderTreeDiff = ref renderBatch.UpdatedComponents.Array[i];
|
|
capturedBatch.AddDiff(renderTreeDiff);
|
|
}
|
|
|
|
// Clone other data, as underlying storage will get reused by later batches
|
|
capturedBatch.ReferenceFrames = renderBatch.ReferenceFrames.ToArray();
|
|
capturedBatch.DisposedComponentIDs = renderBatch.DisposedComponentIDs.ToList();
|
|
|
|
// This renderer updates the UI synchronously, like the WebAssembly one.
|
|
// To test async UI updates, subclass TestRenderer and override UpdateDisplayAsync.
|
|
return Task.CompletedTask;
|
|
}
|
|
}
|
|
}
|