public void Pop(InputListener l)
{
if (stack.Peek() == l)
{
stack.Pop();
InputListener stackTop = GetStackTop();
if (stackTop != null)
{
stackTop.OnFocus(true, l);
}
}
else if (!stack.IsEmpty())
{
// Remove element in the middle of the stack
log.Warn("Stack Top: {0}, request:{1}", stack.Peek(), l);
Stack <InputListener> backup = new Stack <InputListener> ();
while (!stack.IsEmpty() && stack.Peek() != l)
{
backup.Push(stack.Pop());
}
stack.Pop();
while (!backup.Empty())
{
stack.Push(backup.Pop());
}
}
else
{
log.Warn("no stack pop for {0}", l);
}
}
public void Push(InputListener l)
{
InputListener stackTop = GetStackTop();
if (stackTop != null)
{
stackTop.OnFocus(false, l);
}
if (!stack.Contains(l))
{
stack.Push(l);
}
else
{
log.Warn("{0} is already in InputListenerStack", l);
}
}