protected virtual void OnNotificationMessageReceived(MessengerEventArgs eventArgs)
{
MessengerEventHandler handler = NotificationReceived;
if (handler != null)
{
handler(this, eventArgs);
}
}
protected virtual void OnAsyncMessageReceived(MessengerEventArgs eventArgs)
{
MessengerEventHandler handler = AsyncDataReceived;
if (handler != null)
{
handler(this, eventArgs);
}
}
protected virtual void OnResponseMessageReceived(MessengerEventArgs eventArgs)
{
MessengerEventHandler handler = ResponseDataReceived;
if (handler != null)
{
handler(this, eventArgs);
}
}
/// <summary>
/// Subscribe class method to a specific message via delegate
/// </summary>
/// <param name="subscriber">delegate method</param>
/// <typeparam name="T">message type</typeparam>
public static void Subscribe <T>(MessengerEventHandler <T> subscriber) where T : Message
{
if (subscriber == null)
{
throw new System.ArgumentException("subscriber is invalid");
}
var key = typeof(T);
if (_subscribersDictionary.ContainsKey(key))
{
_subscribersDictionary[key] = System.Delegate.Combine(_subscribersDictionary[key], subscriber);
}
else
{
_subscribersDictionary.Add(key, subscriber);
}
}
/// <summary>
/// Unsubscribe class to a specific message via delegate
/// </summary>
/// <param name="subscriber">delegate method</param>
/// <typeparam name="T">message type</typeparam>
public static void UnSubscribe <T>(MessengerEventHandler <T> subscriber) where T : Message
{
if (subscriber == null)
{
throw new System.ArgumentException("Subscriber is invalid");
}
var key = typeof(T);
if (_subscribersDictionary.ContainsKey(key))
{
var value = _subscribersDictionary[key];
value = System.Delegate.Remove(value, subscriber);
if (value == null)
{
_subscribersDictionary.Remove(key);
}
else
{
_subscribersDictionary[key] = value;
}
}
}
public static void Prompt(string message, MessageType messageType)
{
if (prompted == null)
prompted = new MessengerEventHandler(messageHandler);
prompted(null, new MessengerEventArgs(message, messageType));
}