/// <summary>
/// Create js interop wrapper for this c# action
/// </summary>
/// <param name="callback"></param>
/// <param name="serializationSpec">
/// An object specifying the member we'll want from the JS object.
/// "new { allChild = "*", onlyMember = true, ignore = false }" will get all the fields in allChild,
/// the value of "onlyMember" and will ignore "ignore"
/// "true" or null will get everything, false will get nothing
/// </param>
/// <param name="getJsObjectRef">If true (default false) the call back will get the js object ref instead of the js object content</param>
/// <returns>Object that needs to be send to js interop api call</returns>
public static CallBackInteropWrapper Create(Func <ValueTask> callback, object serializationSpec = null,
bool getJsObjectRef = false)
{
var res = new CallBackInteropWrapper
{
CallbackRef = DotNetObjectReference.Create(new JsInteropActionWrapper(callback)),
SerializationSpec = serializationSpec,
GetJsObjectRef = getJsObjectRef
};
return(res);
}
/// <summary>
/// Create js interop wrapper for this c# action
/// </summary>
/// <param name="callback"></param>
/// <param name="serializationSpec">
/// An object specifying the member we'll want from the JS object.
/// "new { allChild = "*", onlyMember = true, ignore = false }" will get all the fields in allChild,
/// the value of "onlyMember" and will ignore "ignore"
/// "true" or null will get everything, false will get nothing
/// </param>
/// <param name="getJsObjectRef">If true (default false) the call back will get the js object ref instead of the js object content</param>
/// <returns>A wrapper for the event handling</returns>
public static CallBackInteropWrapper CreateWithResult <T, TResult>(Func <T, ValueTask <TResult> > callback, object serializationSpec = null,
bool getJsObjectRef = false)
{
var dotnetCallback = DotNetObjectReference.Create(new JsInteropActionWrapperWithResult <T, TResult>(callback));
var res = new CallBackInteropWrapper(dotnetCallback)
{
SerializationSpec = serializationSpec,
GetJsObjectRef = getJsObjectRef,
HasResult = typeof(TResult) != typeof(object),
HasParameter = typeof(T) != typeof(object),
GetArgumentsSerializationAndRef = typeof(ICallbackReferenceData).IsAssignableFrom(typeof(T))
};
return(res);
}
/// <summary>
/// Add an event listener to the given property and event Type
/// </summary>
/// <param name="jsRuntime"></param>
/// <param name="jsRuntimeObject"></param>
/// <param name="propertyName"></param>
/// <param name="eventName"></param>
/// <param name="callBack"></param>
/// <returns></returns>
public static async ValueTask <IAsyncDisposable> AddEventListener(this IJSRuntime jsRuntime,
JsRuntimeObjectRef jsRuntimeObject, string propertyName, string eventName, CallBackInteropWrapper callBack)
{
var listenerId = await jsRuntime.InvokeAsync <int>("browserInterop.addEventListener", jsRuntimeObject,
propertyName, eventName, callBack).ConfigureAwait(false);
return(new ActionAsyncDisposable(async() =>
await jsRuntime.InvokeVoidAsync("browserInterop.removeEventListener", jsRuntimeObject, propertyName,
eventName, listenerId).ConfigureAwait(false)));
}
