/**
* Post with a specified initializer.
*/
public void Post(string notificationId, NotificationInitializer initializer)
{
NotificationInstance notif = NotificationInstance.Borrow(notificationId);
initializer(notif);
Post(notif); // will return notification instance here
}
/**
* Borrows an instance.
*/
public static NotificationInstance Borrow(string id)
{
NotificationInstance instance = null;
if (instanceStack.Count > 0)
{
instance = instanceStack.Pop();
}
else
{
instance = new NotificationInstance();
}
instance.Init(id);
instance.Activate();
return(instance);
}
/**
* Notify with a certain Notification instance.
*/
public void Post(NotificationInstance notification)
{
if (handlerList.Count == 0)
{
// no notification handlers to handle it
NotificationInstance.Return(notification);
return;
}
LinkedListNode <NotificationHandler> currentNode = handlerList.First;
do
{
currentNode.Value.HandleNotification(notification);
currentNode = currentNode.Next;
} while(currentNode != null);
// we return the instance after posting so it will be deactivated and may not be used again
NotificationInstance.Return(notification);
}
/**
* Returns an instance.
*/
public static void Return(NotificationInstance instance)
{
instance.Deactivate();
instanceStack.Push(instance);
}
/**
* Utility function to start a notification with parameter. This was made to avoid usage of closures which may instantiate memory.
*/
public NotificationInstance Begin(string notificationId)
{
return(NotificationInstance.Borrow(notificationId));
}
/**
* Notify with a notification id.
*/
public void Post(string notificationId)
{
Post(NotificationInstance.Borrow(notificationId));
}