internal async Task CloseSubMenuAsync(SubMenuOption option)
{
await option.SubMenu.TopMenu.SemaphoreSlim.WaitAsync();
try
{
if (!option.IsShow)
{
return;
}
option.IsShow = false;
if (GlobalElementSettings.DisableAnimation)
{
await InvokeAsync(option.SubMenu.DeActivate);
PopupService.SubMenuOptions.Remove(option);
return;
}
await InvokeAsync(StateHasChanged);
await Task.Delay(200);
await InvokeAsync(option.SubMenu.DeActivate);
PopupService.SubMenuOptions.Remove(option);
}
finally
{
option.SubMenu.TopMenu.SemaphoreSlim.Release();
}
}
protected async Task OnOverAsync()
{
if (TopMenu.Mode == MenuMode.Horizontal)
{
await SemaphoreSlim.WaitAsync();
try
{
if (IsOpened)
{
try
{
if (subMenuOption != null &&
subMenuOption.ClosingTask != null &&
subMenuOption.ClosingTask.Status != TaskStatus.RanToCompletion &&
subMenuOption.ClosingTask.Status != TaskStatus.Canceled)
{
subMenuOption.ClosingTaskCancellationTokenSource.Cancel();
}
}
catch (ObjectDisposedException)
{
}
return;
}
subMenuOption = new SubMenuOption()
{
SubMenu = this,
Content = ChildContent,
Options = Options,
Target = Element
};
var taskCompletionSource = new TaskCompletionSource <int>();
subMenuOption.TaskCompletionSource = taskCompletionSource;
while (PopupService.SubMenuOptions.Any())
{
await Task.Delay(50);
}
PopupService.SubMenuOptions.Add(subMenuOption);
IsOpened = true;
}
finally
{
SemaphoreSlim.Release();
}
await subMenuOption.TaskCompletionSource.Task;
borderColor = "transparent";
IsOpened = false;
await OnOutAsync();
}
else
{
backgroundColor = Options.HoverColor;
textColor = Options.ActiveTextColor;
isActive = true;
}
}
internal async Task ReadyCloseSubMenuAsync(SubMenuOption option)
{
option.ClosingTaskCancellationTokenSource = new System.Threading.CancellationTokenSource();
var task = Task.Delay(200, option.ClosingTaskCancellationTokenSource.Token).ContinueWith(async task =>
{
if (task.IsCanceled)
{
DisposeTokenSource(option.ClosingTaskCancellationTokenSource);
return;
}
DisposeTokenSource(option.ClosingTaskCancellationTokenSource);
await CloseSubMenuAsync(option);
});
option.ClosingTask = await task;
}
internal void KeepShowSubMenu(SubMenuOption option)
{
CancelTokenSource(option.ClosingTaskCancellationTokenSource);
}
