public async Task DispatchEvent(string eventDescriptorJson, string eventArgs)
{
RendererRegistryEventDispatcher.BrowserEventDescriptor eventDescriptor = null;
try
{
AssertInitialized();
eventDescriptor = ParseEventDescriptor(eventDescriptorJson);
if (eventDescriptor == null)
{
return;
}
await Renderer.Dispatcher.InvokeAsync(() =>
{
SetCurrentCircuitHost(this);
return(RendererRegistryEventDispatcher.DispatchEvent(eventDescriptor, eventArgs));
});
}
catch (Exception ex)
{
Log.DispatchEventFailedToDispatchEvent(_logger, eventDescriptor != null ? eventDescriptor.EventHandlerId.ToString() : null, ex);
UnhandledException?.Invoke(this, new UnhandledExceptionEventArgs(ex, isTerminating: false));
}
}
public async Task ClickAsync(HubConnection connection)
{
if (!Events.TryGetValue("click", out var clickEventDescriptor))
{
throw new InvalidOperationException("Element does not have a click event.");
}
var mouseEventArgs = new UIMouseEventArgs()
{
Type = clickEventDescriptor.EventName,
Detail = 1
};
var browserDescriptor = new RendererRegistryEventDispatcher.BrowserEventDescriptor()
{
BrowserRendererId = 0,
EventHandlerId = clickEventDescriptor.EventId,
EventArgsType = "mouse",
};
var serializedJson = JsonSerializer.Serialize(mouseEventArgs, new JsonSerializerOptions()
{
PropertyNamingPolicy = JsonNamingPolicy.CamelCase
});
var argsObject = new object[] { browserDescriptor, serializedJson };
var callId = "0";
var assemblyName = "Microsoft.AspNetCore.Components.Web";
var methodIdentifier = "DispatchEvent";
var dotNetObjectId = 0;
var clickArgs = JsonSerializer.Serialize(argsObject, new JsonSerializerOptions()
{
PropertyNamingPolicy = JsonNamingPolicy.CamelCase
});
await connection.InvokeAsync("BeginInvokeDotNetFromJS", callId, assemblyName, methodIdentifier, dotNetObjectId, clickArgs);
}
public async Task DispatchingEventsWithInvalidUIEventArgs()
{
// Arrange
var(interopCalls, dotNetCompletions, batches) = ConfigureClient();
await GoToTestComponent(batches);
var sink = _serverFixture.Host.Services.GetRequiredService <TestSink>();
var logEvents = new List <(LogLevel logLevel, string)>();
sink.MessageLogged += (wc) => logEvents.Add((wc.LogLevel, wc.EventId.Name));
// Act
var browserDescriptor = new RendererRegistryEventDispatcher.BrowserEventDescriptor()
{
BrowserRendererId = 0,
EventHandlerId = 6,
EventArgsType = "mouse",
};
await Client.HubConnection.InvokeAsync(
"DispatchBrowserEvent",
JsonSerializer.Serialize(browserDescriptor, TestJsonSerializerOptionsProvider.Options),
"{Invalid:{\"payload}");
Assert.Contains(
(LogLevel.Debug, "DispatchEventFailedToDispatchEvent"),
logEvents);
await ValidateClientKeepsWorking(Client, batches);
}
internal Task SelectAsync(HubConnection connection, string value)
{
if (!Events.TryGetValue("change", out var changeEventDescriptor))
{
throw new InvalidOperationException("Element does not have a change event.");
}
var sleectEventArgs = new UIChangeEventArgs()
{
Type = changeEventDescriptor.EventName,
Value = value
};
var browserDescriptor = new RendererRegistryEventDispatcher.BrowserEventDescriptor()
{
BrowserRendererId = 0,
EventHandlerId = changeEventDescriptor.EventId,
EventArgsType = "change",
EventFieldInfo = new EventFieldInfo
{
ComponentId = 0,
FieldValue = value
}
};
return(DispatchEventCore(connection, Serialize(browserDescriptor), Serialize(sleectEventArgs)));
}
public async Task DispatchingEventThroughJSInterop()
{
// Arrange
var(interopCalls, dotNetCompletions, batches) = ConfigureClient();
await GoToTestComponent(batches);
var sink = _serverFixture.Host.Services.GetRequiredService <TestSink>();
var logEvents = new List <(LogLevel logLevel, string eventIdName)>();
sink.MessageLogged += (wc) => logEvents.Add((wc.LogLevel, wc.EventId.Name));
// Act
var mouseEventArgs = new UIMouseEventArgs()
{
Type = "click",
Detail = 1
};
var browserDescriptor = new RendererRegistryEventDispatcher.BrowserEventDescriptor()
{
BrowserRendererId = 0,
EventHandlerId = 1,
EventArgsType = "mouse",
};
var serializerOptions = new JsonSerializerOptions()
{
PropertyNamingPolicy = JsonNamingPolicy.CamelCase
};
var uiArgs = JsonSerializer.Serialize(mouseEventArgs, serializerOptions);
await Assert.ThrowsAsync <TaskCanceledException>(() => Client.InvokeDotNetMethod(
0,
"Microsoft.AspNetCore.Components.Web",
"DispatchEvent",
null,
JsonSerializer.Serialize(new object[] { browserDescriptor, uiArgs }, serializerOptions)));
Assert.Contains(
(LogLevel.Debug, "DispatchEventThroughJSInterop"),
logEvents);
await ValidateClientKeepsWorking(Client, batches);
}
public async Task DispatchingEventsWithInvalidEventHandlerId()
{
// Arrange
var(interopCalls, dotNetCompletions, batches) = ConfigureClient();
await GoToTestComponent(batches);
var sink = _serverFixture.Host.Services.GetRequiredService <TestSink>();
var logEvents = new List <(LogLevel logLevel, string eventIdName, Exception exception)>();
sink.MessageLogged += (wc) => logEvents.Add((wc.LogLevel, wc.EventId.Name, wc.Exception));
// Act
var mouseEventArgs = new UIMouseEventArgs()
{
Type = "click",
Detail = 1
};
var browserDescriptor = new RendererRegistryEventDispatcher.BrowserEventDescriptor()
{
BrowserRendererId = 0,
EventHandlerId = 1,
EventArgsType = "mouse",
};
await Client.HubConnection.InvokeAsync(
"DispatchBrowserEvent",
JsonSerializer.Serialize(browserDescriptor, new JsonSerializerOptions()
{
PropertyNamingPolicy = JsonNamingPolicy.CamelCase
}),
JsonSerializer.Serialize(mouseEventArgs, new JsonSerializerOptions()
{
PropertyNamingPolicy = JsonNamingPolicy.CamelCase
}));
Assert.Contains(
logEvents,
e => e.eventIdName == "DispatchEventFailedToDispatchEvent" && e.logLevel == LogLevel.Debug &&
e.exception is ArgumentException ae && ae.Message.Contains("There is no event handler with ID -1"));
await ValidateClientKeepsWorking(Client, batches);
}
public Task ClickAsync(HubConnection connection)
{
if (!Events.TryGetValue("click", out var clickEventDescriptor))
{
throw new InvalidOperationException("Element does not have a click event.");
}
var mouseEventArgs = new UIMouseEventArgs()
{
Type = clickEventDescriptor.EventName,
Detail = 1
};
var browserDescriptor = new RendererRegistryEventDispatcher.BrowserEventDescriptor()
{
BrowserRendererId = 0,
EventHandlerId = clickEventDescriptor.EventId,
EventArgsType = "mouse",
};
return(DispatchEventCore(connection, Serialize(browserDescriptor), Serialize(mouseEventArgs)));
}
