private async ValueTask OnIsolationChangeCallback()
{
Isolated = await JsRuntime.GetInstanceProperty <bool>(JsObjectRef, "isolated")
.ConfigureAwait(false);
OnIsolationChange?.Invoke(this, EventArgs.Empty);
}
/// <summary>
/// listen for dispatched messages send by PostMessage
/// </summary>
/// <param name="todo"></param>
/// <typeparam name="T"></typeparam>
/// <returns></returns>
public async ValueTask <IAsyncDisposable> OnMessage <T>(Func <MessageEvent <T>, ValueTask> todo)
{
return(await JsRuntime.AddEventListener(
JsObjectRef,
"",
"message",
CallBackInteropWrapper.Create <JsRuntimeObjectRef>(
async payload =>
{
var eventPayload = new MessageEvent <T>
{
Data = await JsRuntime.GetInstanceProperty <T>(payload, "data").ConfigureAwait(false),
Origin = await JsRuntime.GetInstanceProperty <string>(payload, "origin")
.ConfigureAwait(false),
Source = await JsRuntime.GetInstanceProperty <WindowInterop>(payload, "source",
SerializationSpec).ConfigureAwait(false)
};
eventPayload.Source.SetJsRuntime(JsRuntime,
await JsRuntime.GetInstancePropertyRef(payload, "source").ConfigureAwait(false));
await todo.Invoke(eventPayload).ConfigureAwait(false);
},
getJsObjectRef: true
)).ConfigureAwait(false));
}
/// <summary>
/// dispatched on devices when a user is about to be prompted to "install" a web application. Its associated event may be saved for later and used to prompt the user at a more suitable time.
/// </summary>
/// <param name="callback"></param>
/// <returns></returns>
public async ValueTask <IAsyncDisposable> OnBeforeInstallPrompt(
Func <BeforeInstallPromptEvent, ValueTask> callback)
{
return(await JsRuntime.AddEventListener(
JsObjectRef, "",
"beforeinstallprompt",
CallBackInteropWrapper.Create <JsRuntimeObjectRef>(
async jsObjectRef =>
{
var beforeInstallPromptEvent = new BeforeInstallPromptEvent
{
Platforms = await JsRuntime.GetInstanceProperty <string[]>(jsObjectRef, "platforms")
};
beforeInstallPromptEvent.SetJsRuntime(JsRuntime, jsObjectRef);
await callback.Invoke(beforeInstallPromptEvent);
},
getJsObjectRef: true,
serializationSpec: false
)
));
}
/// <summary>
/// Returns the user choice
/// </summary>
/// <returns></returns>
public async ValueTask <bool> IsAccepted()
{
return(await JsRuntime.GetInstanceProperty <string>(JsObjectRef, "userChoice") == "accepted");
}
