/// <summary>
/// Subscribe to an event
/// </summary>
/// <param name="token"></param>
/// <param name="callback"></param>
public static void Subscribe(ScreenEventType token, Action <object> callback)
{
var tokenAsString = token.ToString();
if (!PlDict.ContainsKey(tokenAsString))
{
var list = new List <Action <object> > {
callback
};
PlDict.Add(tokenAsString, list);
}
else
{
foreach (var item in PlDict[tokenAsString])
{
if (item.Method.ToString() != callback.Method.ToString())
{
continue;
}
PlDict[tokenAsString].Add(callback);
return;
}
}
}
/// <summary>
/// Unsubscribe from an event
/// </summary>
/// <param name="token"></param>
/// <param name="callback"></param>
public static void Unsubscribe(ScreenEventType token, Action <object> callback)
{
var tokenAsString = token.ToString();
if (PlDict.ContainsKey(tokenAsString))
{
PlDict[tokenAsString].Remove(callback);
}
}
/// <summary>
/// Finds and executes a callback that has been subscribed
/// </summary>
/// <param name="token"></param>
/// <param name="args"></param>
public static void Notify(ScreenEventType token, object args = null)
{
var tokenAsString = token.ToString();
if (!PlDict.ContainsKey(tokenAsString))
{
return;
}
foreach (var callback in PlDict[tokenAsString])
{
callback(args);
}
}