public static GameObject ExecuteHierarchy <T>(GameObject root, BaseEventData eventData, UnityEngine.EventSystems.ExecuteEvents.EventFunction <T> callbackFunction) where T : IEventSystemHandler
{
GetEventChain.Invoke(null, new object[] { root, InternalTransformList });
// GetEventChain(root, s_InternalTransformList);
GameObject firstExecuteObject = null;
UPointerEventDataEx eventDataEx = eventData as UPointerEventDataEx;
for (var i = 0; i < InternalTransformList.Count; i++)
{
var transform = InternalTransformList[i];
//当前找到第一个处理事件的对象且需要进行冒泡处理
if (UnityEngine.EventSystems.ExecuteEvents.Execute(transform.gameObject, eventData, callbackFunction))
{
if (firstExecuteObject == null)
{
firstExecuteObject = transform.gameObject;
}
if (eventDataEx == null || !eventDataEx.CanBubbleEvent)
{
return(firstExecuteObject);
}
}
}
return(firstExecuteObject);
}
public static bool ExecuteEx <T>(GameObject target, BaseEventData eventData, ExecuteEvents.EventFunction <T> functor) where T : IEventSystemHandler
{
GetEventChain.Invoke(null, new object[] { target, InternalTransformList });
var internalHandlers = s_HandlerListPool.Get();
MethodInfo GetEventListGeneric = GetEventList.MakeGenericMethod(new Type[] { typeof(T) });
for (int i = 0; i < InternalTransformList.Count; i++)
{
var transform = InternalTransformList[i];
//GetEventList<T>(target, internalHandlers);
GetEventListGeneric.Invoke(null, new object[] { transform.gameObject, internalHandlers });
}
// if (s_InternalHandlers.Count > 0)
// Debug.Log("Executinng " + typeof (T) + " on " + target);
UPointerEventDataEx eventDataEx = eventData as UPointerEventDataEx;
for (var i = 0; i < internalHandlers.Count; i++)
{
T arg;
try
{
arg = (T)internalHandlers[i];
}
catch (Exception e)
{
var temp = internalHandlers[i];
Debug.LogException(new Exception(string.Format("Type {0} expected {1} received.", typeof(T).Name, temp.GetType().Name), e));
continue;
}
try
{
functor(arg, eventDataEx);
}
catch (Exception e)
{
Debug.LogException(e);
}
if (!eventDataEx.CanBubbleEvent)
{
break;
}
}
var handlerCount = internalHandlers.Count;
s_HandlerListPool.Release(internalHandlers);
return(handlerCount > 0);
}
public static UPointerEventDataEx CurrentPointerEventData(this EventSystem _EventSystem)
{
UPointerEventDataEx resultEventData = null;
var inputModule = _EventSystem.currentInputModule as USpeedInputModule;
if (inputModule != null)
{
resultEventData = inputModule.CurrentPointerEx;
}
else
{
Debug.LogWarning("当前UI输入模块非USpeedInputModule");
}
return(resultEventData);
}
protected bool GetPointerData(int id, out UPointerEventDataEx data, bool create)
{
PointerEventData pData;
if (!m_PointerData.TryGetValue(id, out pData) && create)
{
data = new UPointerEventDataEx(eventSystem)
{
pointerId = id,
};
m_PointerData.Add(id, data);
return(true);
}
data = pData as UPointerEventDataEx;
data.ResetEx();
return(false);
}
