public static void AddHandler(IDoubleActionProvider provider, DoubleActionEventHandler handler)
{
DoubleActionDispatcher dispatcher;
if (map.ContainsKey(provider))
{
dispatcher = map[provider];
}
else
{
dispatcher = new DoubleActionDispatcher(provider);
map.Add(provider, dispatcher);
}
dispatcher.DoubleActionEvent += handler;
}
public static void RemoveHandler(IDoubleActionProvider provider, DoubleActionEventHandler handler)
{
if (!map.ContainsKey(provider))
{
return;
}
DoubleActionDispatcher dispatcher = map[provider];
dispatcher.DoubleActionEvent -= handler;
if (dispatcher.DoubleActionEvent.GetInvocationList().Length == 0)
{
dispatcher.Release();
map.Remove(provider);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="ActionDispatcher"/> class.
/// </summary>
/// <param name="provider">The provider.</param>
protected DoubleActionDispatcher(IDoubleActionProvider provider)
: base(provider)
{
provider.DoubleAction = ObjectiveCRuntime.Selector("doDoubleAction:");
}