/// <summary>
/// Initialize using a top-level screen
/// </summary>
/// <param name="screen"></param>
public void Initialize(AbstractScreen screen)
{
this.ScreenStack = new Stack<AbstractScreen>();
this.ScreenStack.Push(screen);
this.ActiveScreen = screen;
}
/// <summary>
/// Navigate back
/// </summary>
public void NavigateBack()
{
if (this.ScreenStack.Count > 1)
{
this.ScreenStack.Pop();
this.ActiveScreen = this.ScreenStack.Peek();
}
}
/// <summary>
/// Navigate to a different screen
/// </summary>
/// <param name="screen">Screen</param>
public void NavigateTo(AbstractScreen screen)
{
AbstractScreen activeScreen = this.ScreenStack.Peek();
if (activeScreen != screen)
{
this.ScreenStack.Push(screen);
this.ActiveScreen = screen;
}
}
