public WeakBase(object owner, T data, KeepOwnerAliveMode keepOwnerAliveMode)
{
Ensure.IsNotNull(data, nameof(data));
KeepOwnerAlive = GetKeepAlive(keepOwnerAliveMode, owner);
if (owner != null)
{
_ownerReference = new WeakReference(owner);
if (KeepOwnerAlive)
{
_owner = owner;
}
_data = data;
}
if (KeepOwnerAlive)
{
_data = data;
}
_dataReference = new WeakReference <T>(data);
}
private static bool GetKeepAlive(KeepOwnerAliveMode keepOwnerAliveMode, object target)
{
return(keepOwnerAliveMode switch
{
KeepOwnerAliveMode.KeepAlive => true,
KeepOwnerAliveMode.AutoGuess => target?.GetType().Name.Contains("<>") == true,
_ => false
});
public WeakAction(object target, Action <T> action, KeepOwnerAliveMode keepOwnerAliveMode)
: base(target ?? action?.Target, action, keepOwnerAliveMode)
{
}
public WeakAction(Action <T> action, KeepOwnerAliveMode keepOwnerAliveMode)
: this(action?.Target, action, keepOwnerAliveMode)
{
}
public IDisposable Register <TMessage>(object receiver, Action <TMessage> action, KeepOwnerAliveMode keepOwnerAliveMode)
{
var actions = GetRegistrationsForMessageType <TMessage>();
var registration = new MessengerRegistration <TMessage>(this, receiver, action, keepOwnerAliveMode);
actions.Add(registration);
return(registration);
}
public WeakFunc(object target, Func <T> function, KeepOwnerAliveMode keepOwnerAliveMode)
: base(target ?? function?.Target, function, keepOwnerAliveMode)
{
}
public WeakFunc(Func <T> function, KeepOwnerAliveMode keepOwnerAliveMode)
: this(function?.Target, function, keepOwnerAliveMode)
{
}
public MessengerRegistration(MessengerImpl messenger, object receiver, Action <TMessage> action,
KeepOwnerAliveMode keepOwnerAliveMode)
{
_messenger = messenger;
_weakAction = new WeakAction <TMessage>(receiver, action, keepOwnerAliveMode);
}
