private void RemoveToast(Guid toastId)
{
InvokeAsync(async() =>
{
await displayedToastsSemaphore.WaitAsync();
try
{
var toastInstance = DisplayedToasts.SingleOrDefault(x => x.Id == toastId);
if (toastInstance is null)
{
return;
}
toastInstance.Settings.Status = ToastStatus.Hide;
if (DisplayedToasts.Where(x => x.Settings.Status == ToastStatus.FadeOut).Count() == 0)
{
DisplayedToasts.RemoveAll(x => x.Settings.Status == ToastStatus.Hide);
}
StateHasChanged();
FlushPendingToasts();
}
finally
{
displayedToastsSemaphore.Release();
}
});
}
private void FlushPendingToasts()
{
bool FlushNext() => PendingToasts.Count() > 0 && (ToastService.Configuration.MaxToastsShowing <= 0 || DisplayedToasts.Where(t => t.Settings.Status != ToastStatus.Hide).Count() < ToastService.Configuration.MaxToastsShowing);
while (FlushNext())
{
var toastInstance = PendingToasts.Dequeue();
DisplayedToasts.Add(toastInstance);
if (toastInstance.Settings.AppliedCloseMethod != MBToastCloseMethod.CloseButton)
{
InvokeAsync(() =>
{
var timeout = toastInstance.Settings.AppliedTimeout;
var toastTimer = new System.Timers.Timer(toastInstance.Settings.AppliedTimeout);
toastTimer.Elapsed += (sender, args) => { CloseToast(toastInstance.Id); };
toastTimer.AutoReset = false;
toastTimer.Start();
});
}
}
StateHasChanged();
}
/// <summary>
/// Closes a toast and removes it from the anchor, with a fade out routine.
/// </summary>
/// <param name="toastId"></param>
public void CloseToast(Guid toastId)
{
InvokeAsync(async() =>
{
await displayedToastsSemaphore.WaitAsync();
try
{
var toastInstance = DisplayedToasts.SingleOrDefault(x => x.Id == toastId);
if (toastInstance is null)
{
return;
}
toastInstance.Settings.Status = ToastStatus.FadeOut;
StateHasChanged();
}
finally
{
displayedToastsSemaphore.Release();
}
var toastTimer = new System.Timers.Timer(500);
toastTimer.Elapsed += (sender, args) => { RemoveToast(toastId); };
toastTimer.AutoReset = false;
toastTimer.Start();
StateHasChanged();
});
}