public void RegisterObserver(IOperationObserver observer, List <OperationType> types)
{
if (observer == null)
{
return;
}
if (null == types)
{
return;
}
ObserverItem observerItem = null;
foreach (var type in types)
{
observerItem = new ObserverItem(observer, type);
if (!observerItems.Contains(observerItem))
{
observerItems.Add(observerItem);
}
}
}
/// <summary>
/// 不传type时对 observer进行检查，实现了几种接口就监听几种
/// 传入type时 只监听对应接口
/// </summary>
/// <param name="observer"></param>
/// <param name="type"></param>
public void RegisterObserver(IOperationObserver observer, OperationType type0, OperationType type1 = OperationType.Default, OperationType type2 = OperationType.Default)
{
if (observer == null)
{
return;
}
if (type0.Equals(OperationType.Default))
{
return;
}
var observerItem = new ObserverItem(observer, type0);
if (!observerItems.Contains(observerItem))
{
observerItems.Add(observerItem);
}
if (!type1.Equals(OperationType.Default))
{
observerItem = new ObserverItem(observer, type1);
if (!observerItems.Contains(observerItem))
{
observerItems.Add(observerItem);
}
}
if (!type2.Equals(OperationType.Default))
{
observerItem = new ObserverItem(observer, type2);
if (!observerItems.Contains(observerItem))
{
observerItems.Add(observerItem);
}
}
}