YanCheng_Metrology/Assets/Plugins/UniRx/Scripts/UnityEngineBridge/Triggers/ObservablePointerEnterTrigg...

36 lines
1012 B
C#

// for uGUI(from 4.6)
#if !(UNITY_4_0 || UNITY_4_1 || UNITY_4_2 || UNITY_4_3 || UNITY_4_4 || UNITY_4_5)
using System; // require keep for Windows Universal App
using UnityEngine;
using UnityEngine.EventSystems;
namespace UniRx.Triggers
{
[DisallowMultipleComponent]
public class ObservablePointerEnterTrigger : ObservableTriggerBase, IEventSystemHandler, IPointerEnterHandler
{
Subject<PointerEventData> onPointerEnter;
void IPointerEnterHandler.OnPointerEnter(PointerEventData eventData)
{
if (onPointerEnter != null) onPointerEnter.OnNext(eventData);
}
public IObservable<PointerEventData> OnPointerEnterAsObservable()
{
return onPointerEnter ?? (onPointerEnter = new Subject<PointerEventData>());
}
protected override void RaiseOnCompletedOnDestroy()
{
if (onPointerEnter != null)
{
onPointerEnter.OnCompleted();
}
}
}
}
#endif