YanCheng_Metrology/Assets/Plugins/UniRx/Scripts/UnityEngineBridge/Triggers/ObservableCancelTrigger.cs

36 lines
928 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 ObservableCancelTrigger : ObservableTriggerBase, IEventSystemHandler, ICancelHandler
{
Subject<BaseEventData> onCancel;
void ICancelHandler.OnCancel(BaseEventData eventData)
{
if (onCancel != null) onCancel.OnNext(eventData);
}
public IObservable<BaseEventData> OnCancelAsObservable()
{
return onCancel ?? (onCancel = new Subject<BaseEventData>());
}
protected override void RaiseOnCompletedOnDestroy()
{
if (onCancel != null)
{
onCancel.OnCompleted();
}
}
}
}
#endif