UniTask/Assets/UniRx.Async/Triggers/AsyncDropTrigger.cs

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2019-05-19 23:14:47 +08:00
#if CSHARP_7_OR_LATER || (UNITY_2018_3_OR_NEWER && (NET_STANDARD_2_0 || NET_4_6))
#pragma warning disable CS1591 // Missing XML comment for publicly visible type or member
using System.Collections.Generic;
using System.Threading;
using UnityEngine;
using UnityEngine.EventSystems;
namespace UniRx.Async.Triggers
{
[DisallowMultipleComponent]
public class AsyncDropTrigger : AsyncTriggerBase
{
AsyncTriggerPromise<PointerEventData> onDrop;
AsyncTriggerPromiseDictionary<PointerEventData> onDrops;
protected override IEnumerable<ICancelablePromise> GetPromises()
{
return Concat(onDrop, onDrops);
}
void OnDrop(PointerEventData eventData)
{
TrySetResult(onDrop, onDrops, eventData);
}
public UniTask OnDropAsync(CancellationToken cancellationToken = default(CancellationToken))
{
return GetOrAddPromise(ref onDrop, ref onDrops, cancellationToken);
}
}
}
#endif