public FileQueueChangedArgs(FileQueueElement element, FileQueueAction action)
{
this.Element = element;
this.Action = action;
}
public void Push(FileQueueElement el)
{
lock(lockListObject)
{
var oldItem = fileQueue.FirstOrDefault(e => e.File == el.File);
if (oldItem != null)
{
fileQueue.Remove(oldItem);
RaiseChanged(oldItem, FileQueueAction.Pop);
}
fileQueue.Add(el);
RaiseChanged(el, FileQueueAction.Push);
}
}
private void RaiseChanged(FileQueueElement element, FileQueueAction action)
{
var itemElement = element;
var itemAction = action;
if (Changed != null)
Changed(this, new FileQueueChangedArgs(itemElement, itemAction));
}