private void _updateStack(LoaderStackItem justFinishedItem)
{
lock ("loadstatus")
{
if (_loaderStack.Contains(justFinishedItem))
{
_loaderStack.Remove(justFinishedItem);
}
if (_loaderStack.Count == 0)
{
_dispatch(HideIndicator);
return;
}
var tItem = _loaderStack.FirstOrDefault(_ => _.Text != null);
_dispatch(() =>
{
//find the most recent item with text, and show it.
ShowIndicator(tItem != null ? tItem.Text : null);
});
}
}
public async Task Loader(Task awaiter, string text = null)
{
var lsItem = new LoaderStackItem {
Text = text
};
_loaderStack.Insert(0, lsItem);
_dispatch(() => ShowIndicator(text));
await awaiter;
_updateStack(lsItem);
}
public async Task <T> Loader <T>(Task <T> awaiter, string text = null)
{
var lsItem = new LoaderStackItem {
Text = text
};
_loaderStack.Insert(0, lsItem);
_dispatch(() => ShowIndicator(text));
await awaiter;
_updateStack(lsItem);
return(awaiter.Result);
}
