/// <summary>
/// Adds the listener.
/// </summary>
/// <param name="listener">The listener.</param>
/// <param name="filter">The filter.</param>
/// <param name="keepAlive">if set to <c>true</c> [keep alive].</param>
public DelegateReference AddListener(Delegate listener, Delegate filter = null, bool keepAlive = false)
{
var id = listener.CreateDelegateUniqueId();
var delRefs = GetListeners(id);
if (!delRefs.IsNullOrEmpty())
{
var fid = filter != null?filter.CreateDelegateUniqueId() : listener.CreateDelegateUniqueId();
foreach (var dr in delRefs)
{
if (dr == null)
{
continue;
}
if (dr.Id == id || _listeners[dr].Id == fid)
{
return(dr);
}
}
}
var delRef = new DelegateReference(listener, keepAlive);
var filRef = filter == null ? null : new DelegateReference(filter, keepAlive);
_listeners.Add(delRef, filRef);
return(delRef);
}
/// <summary>
/// Cleanups this instance.
/// </summary>
private void Cleanup()
{
if (_listeners.IsNullOrEmpty())
{
return;
}
var res = GetDeadListeners();
if (res.IsNullOrEmpty())
{
return;
}
// NOTE: Workaround for iOS
var keys = new DelegateReference[res.Length];
for (var i = 0; i < keys.Length; i++)
{
keys[i] = res[i];
}
foreach (var key in keys)
{
Loggers.Default.ConsoleLogger.Write("Listener_Cleanup [{0}=\"{1}\"]", key, key.Id);
_listeners.Remove(key);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="DelegatePayloadBase"/> class.
/// </summary>
/// <param name="method">The method.</param>
/// <param name="methodArgs">The method args.</param>
protected DelegatePayloadBase(Delegate method = null, params object[] methodArgs)
{
//ArgumentValidator.AssertNotNull(method, "method");
if (method != null)
{
Method = new DelegateReference(method);
}
MethodArgs = methodArgs;
}
/// <summary>
/// Called when [delegate invoked event].
/// </summary>
/// <param name="delRef">The delete preference.</param>
/// <param name="args">The arguments.</param>
/// <returns></returns>
protected virtual bool OnDelegateInvokedEvent(DelegateReference delRef, params object[] args)
{
if (DelegateInvokedEvent == null)
{
return(false);
}
var arg = new WeakDelegatesManagerEventArgs(delRef);
DelegateInvokedEvent(this, arg);
return(arg.IsHandled);
}
/// <summary>
/// Gets the listener.
/// </summary>
/// <param name="listenerId">The listener id.</param>
/// <returns></returns>
public DelegateReference GetListener(string listenerId)
{
DelegateReference res = null;
foreach (var pair in _listeners)
{
if (pair.Key.Id != listenerId)
{
continue;
}
res = pair.Key;
break;
}
return(res);
}
public WeakDelegatesManagerEventArgs(DelegateReference delRef, params object[] args)
{
DelegateRef = delRef;
Args = args;
}
