public static IDisposable RegisterDefaultAdditionalInfo(Func <IDisposable> a)
{
var previous = addAdditionalInfo;
addAdditionalInfo = a;
return(Disposables.Create(() => addAdditionalInfo = previous));
}
public void TestDisposable()
{
var callCount = 1;
// begin-snippet: disposables
using (var cleanup = Disposables.Create(() => callCount++))
{
//code
}
// end-snippet
Assert.Equal(2, callCount);
}
public static IDisposable LeftMouseClick(IList <GameObject> items, Action <int> selectItem)
{
var disposeListeners = new CompositeDisposable();
for (int i = 0; i < items.Count; i++)
{
var itemIndex = i;
var item = items[i];
var mouseEvents = item.GetComponent <UIEventSource>();
Action select = () => selectItem(itemIndex);
mouseEvents.OnCursorClick += select;
disposeListeners.Add(Disposables.Create(() => mouseEvents.OnCursorEnter -= select));
}
return(disposeListeners);
}
private static IDisposable AddMouseHighlight(Action <int?> updateHighlightedIndex, IList <GameObject> items)
{
var disposeListeners = new CompositeDisposable();
for (int i = 0; i < items.Count; i++)
{
var itemIndex = i;
var item = items[i];
var mouseEvents = item.GetComponent <UIEventSource>();
Action highlight = () => updateHighlightedIndex(itemIndex);
mouseEvents.OnCursorEnter += highlight;
disposeListeners.Add(Disposables.Create(() => mouseEvents.OnCursorEnter -= highlight));
}
return(disposeListeners);
}