private void StateDescriptionChanged(InternalBusyState state, string value)
{
lock (_locker)
{
var isTopState = _stack.Any() && _stack.Peek().AreEqual(state);
if (!isTopState)
{
return;
}
Description = value;
SafeCall(() => OnPropertyChanged(nameof(Description)));
}
}
private void StateDisposed(InternalBusyState state)
{
lock (_locker)
{
_states.Remove(state);
var isTopState = _stack.Any() && _stack.Peek().AreEqual(state);
if (!isTopState)
{
return;
}
_stack.Pop();
UpdateTopState();
}
}
public IBusyState Push(string title = null, string description = null)
{
lock (_locker)
{
var state = new InternalBusyState(StateTitleChanged,
StateDescriptionChanged,
StateDisposed);
_states.Add(state);
_stack.Push(state);
state.Title = title;
state.Description = description;
UpdateTopState();
return(state);
}
}
