/// <summary>
/// Searches the subscriber for event handlers it implements, and removes any that can be found.
/// </summary>
/// <param name="subscriber">The subscriber to remove the event handlers of.</param>
/// <returns><c>true</c> if at least one event handler was removed; <c>false</c> if none could be found.</returns>
public bool RemoveAll(object subscriber)
{
if (subscriber.NullReference())
{
throw Exc.Null(nameof(subscriber));
}
var subscriberTypeInfo = EventSubscriberTypeInfo.AddOrGet(subscriber.GetType());
return(subscriberTypeInfo.RemoveAll(this, subscriber));
}
/// <summary>
/// Searches the subscriber for event handlers it implements,
/// and adds those that were not yet registered.
/// </summary>
/// <param name="subscriber">The subscriber to add the event handlers of.</param>
/// <param name="weakRef"><c>true</c> to store weak references; <c>false</c> to store strong references.</param>
/// <returns><c>true</c> if at least one event handler was added; otherwise, <c>false</c>.</returns>
public bool AddAll(object subscriber, bool weakRef = true)
{
if (subscriber.NullReference())
{
throw Exc.Null(nameof(subscriber));
}
var subscriberTypeInfo = EventSubscriberTypeInfo.AddOrGet(subscriber.GetType());
return(subscriberTypeInfo.AddAll(this, subscriber, weakRef));
}
internal static EventSubscriberTypeInfo AddOrGet(Type subscriberType)
{
if (subscriberType.NullReference())
{
throw Exc.Null(nameof(subscriberType));
}
lock ( syncLock )
{
if (!subscriberInfos.TryGetValue(subscriberType, out var info))
{
info = new EventSubscriberTypeInfo(subscriberType);
subscriberInfos.Add(subscriberType, info);
}
return(info);
}
}
