pengtaihao
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UniTask
mirror of https://github.com/Cysharp/UniTask
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complete except trigger

pull/73/head
neuecc 2020-05-04 01:59:22 +09:00
parent f28743f7f6
commit 7bc9ef90f1
19 changed files with 960 additions and 1024 deletions
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13
Assets/Scenes/SandboxMain.cs
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@ -22,17 +22,6 @@ public class SandboxMain : MonoBehaviour
void Start()
{
// Setup unobserverd tskexception handling
TaskScheduler.UnobservedTaskException += TaskScheduler_UnobservedTaskException;
// Optional: disable ExecutionContext if you don't use AsyncLocal.
//if (!ExecutionContext.IsFlowSuppressed())
//{
// ExecutionContext.SuppressFlow();
//}
//// Optional: disable SynchronizationContext(to boostup performance) if you completely use UniTask only
//SynchronizationContext.SetSynchronizationContext(null);
// -----
@ -50,7 +39,7 @@ public class SandboxMain : MonoBehaviour
{
text.text = "";
ucs.TrySetResult();
// ucs.TrySetResult();
await ucs.Task;
});

2
Assets/UniRx.Async/Internal/LazyPromise.cs.meta → Assets/UniRx.Async/AsyncLazy.cs.meta
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@ -1,5 +1,5 @@
fileFormatVersion: 2
guid: fe7a4187b7f89f84582fd1e466a7f27e
guid: 01d1404ca421466419a7db7340ff5e77
MonoImporter:
externalObjects: {}
serializedVersion: 2

5
Assets/UniRx.Async/EnumeratorAsyncExtensions.cs
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@ -35,9 +35,6 @@ namespace UniRx.Async
IEnumerator innerEnumerator;
CancellationToken cancellationToken;
Action continuation;
ExceptionDispatchInfo exception;
UniTaskCompletionSourceCore<object> core;
EnumeratorPromise()
@ -122,8 +119,6 @@ namespace UniRx.Async
core.Reset();
innerEnumerator = default;
cancellationToken = default;
continuation = default;
exception = default;
}
~EnumeratorPromise()

130
Assets/UniRx.Async/Internal/LazyPromise.cs
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@ -1,130 +0,0 @@
#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;
using System.Threading;
namespace UniRx.Async.Internal
{
internal sealed class LazyPromise : IAwaiter
{
Func<UniTask> factory;
UniTask value;
public LazyPromise(Func<UniTask> factory)
{
this.factory = factory;
}
void Create()
{
var f = Interlocked.Exchange(ref factory, null);
if (f != null)
{
value = f();
}
}
public bool IsCompleted
{
get
{
Create();
return value.IsCompleted;
}
}
public UniTaskStatus Status
{
get
{
Create();
return value.Status;
}
}
public void GetResult()
{
Create();
value.GetResult();
}
void IAwaiter.GetResult()
{
GetResult();
}
public void UnsafeOnCompleted(Action continuation)
{
Create();
value.GetAwaiter().UnsafeOnCompleted(continuation);
}
public void OnCompleted(Action continuation)
{
UnsafeOnCompleted(continuation);
}
}
internal sealed class LazyPromise<T> : IAwaiter<T>
{
Func<UniTask<T>> factory;
UniTask<T> value;
public LazyPromise(Func<UniTask<T>> factory)
{
this.factory = factory;
}
void Create()
{
var f = Interlocked.Exchange(ref factory, null);
if (f != null)
{
value = f();
}
}
public bool IsCompleted
{
get
{
Create();
return value.IsCompleted;
}
}
public UniTaskStatus Status
{
get
{
Create();
return value.Status;
}
}
public T GetResult()
{
Create();
return value.Result;
}
void IAwaiter.GetResult()
{
GetResult();
}
public void UnsafeOnCompleted(Action continuation)
{
Create();
value.GetAwaiter().UnsafeOnCompleted(continuation);
}
public void OnCompleted(Action continuation)
{
UnsafeOnCompleted(continuation);
}
}
}
#endif

3
Assets/UniRx.Async/Internal/MinimumQueue.cs
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@ -8,7 +8,8 @@ using System.Runtime.CompilerServices;
namespace UniRx.Async.Internal
{
// optimized version of Standard Queue<T>.
internal class MinimumQueue<T>
// TODO: to internal.
public class MinimumQueue<T>
{
const int MinimumGrow = 4;
const int GrowFactor = 200;

2
Assets/UniRx.Async/UnityAsyncExtensions.cs.meta → Assets/UniRx.Async/Internal/StatePool.cs.meta
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@ -1,5 +1,5 @@
fileFormatVersion: 2
guid: 8cc7fd65dd1433e419be4764aeb51391
guid: 60cdf0bcaea36b444a7ae7263ae7598f
MonoImporter:
externalObjects: {}
serializedVersion: 2

46
Assets/UniRx.Async/Triggers/AsyncTriggerBase.cs
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@ -15,46 +15,6 @@ namespace UniRx.Async.Triggers
bool TrySetCanceled();
}
public class AsyncTriggerPromise<T> : ReusablePromise<T>, IPromise<T>, ICancelablePromise
{
public CancellationToken RegisteredCancellationToken { get; private set; }
public AsyncTriggerPromise()
: this(CancellationToken.None)
{
}
public AsyncTriggerPromise(CancellationToken cancellationToken)
{
this.RegisteredCancellationToken = cancellationToken;
TaskTracker.TrackActiveTask(this);
}
public override T GetResult()
{
if (Status == UniTaskStatus.Pending) return RawResult;
return base.GetResult();
}
public override bool TrySetResult(T result)
{
if (Status == UniTaskStatus.Pending)
{
// keep status as Pending.
this.ForceSetResult(result);
TryInvokeContinuation();
return true;
}
return false;
}
public override bool TrySetCanceled()
{
if (Status == UniTaskStatus.Canceled) return false;
TaskTracker.RemoveTracking(this);
return base.TrySetCanceled();
}
}
public interface ICancellationTokenKeyDictionary
{
@ -62,7 +22,7 @@ namespace UniRx.Async.Triggers
}
public class AsyncTriggerPromiseDictionary<TPromiseType> :
Dictionary<CancellationToken, AsyncTriggerPromise<TPromiseType>>,
Dictionary<CancellationToken, AutoResetUniTaskCompletionSource<TPromiseType>>,
ICancellationTokenKeyDictionary,
IEnumerable<ICancelablePromise>
{
@ -73,7 +33,9 @@ namespace UniRx.Async.Triggers
IEnumerator<ICancelablePromise> IEnumerable<ICancelablePromise>.GetEnumerator()
{
return Values.GetEnumerator();
// TODO:
throw new NotImplementedException();
//return Values.GetEnumerator();
}
void ICancellationTokenKeyDictionary.Remove(CancellationToken token)

159
Assets/UniRx.Async/Triggers/AsyncUpdateTrigger.cs
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@ -2,8 +2,11 @@
#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;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using UniRx.Async.Internal;
using UnityEngine;
using UnityEngine.EventSystems;
@ -35,6 +38,162 @@ namespace UniRx.Async.Triggers
}
// TODO:remove 2.
public abstract class AsyncTriggerBase2 : MonoBehaviour
{
static readonly Action<object> Callback = CancelCallback;
bool calledAwake = false;
bool destroyCalled = false;
CancellationTokenRegistration[] registeredCancellations;
int registeredCancellationsCount;
protected abstract IEnumerable<ICancelablePromise> GetPromises();
void Awake()
{
calledAwake = true;
}
void OnDestroy()
{
if (destroyCalled) return;
destroyCalled = true;
foreach (var item in GetPromises())
{
item.TrySetCanceled();
}
if (registeredCancellations != null)
{
for (int i = 0; i < registeredCancellationsCount; i++)
{
registeredCancellations[i].Dispose();
registeredCancellations[i] = default(CancellationTokenRegistration);
}
ArrayPool<CancellationTokenRegistration>.Shared.Return(registeredCancellations);
}
}
protected void TrySetResult<T>(MinimumQueue<UniTaskCompletionSource<AsyncUnit>> promise, AsyncTriggerPromiseDictionary<T> promises, T result)
{
if (promise != null)
{
// TODO:
}
if (promises != null)
{
PromiseHelper.TrySetResultAll(promises.Values, result);
}
}
public UniTask<T> CreatePromise<T>(ref MinimumQueue<AutoResetUniTaskCompletionSource<T>> promise, ref AsyncTriggerPromiseDictionary<T> promises, CancellationToken cancellationToken)
{
if (destroyCalled) return UniTask.FromCanceled<T>();
if (!calledAwake)
{
PlayerLoopHelper.AddAction(PlayerLoopTiming.Update, new AwakeMonitor(this));
}
if (!cancellationToken.CanBeCanceled)
{
if (promise == null)
{
promise = new MinimumQueue<AutoResetUniTaskCompletionSource<T>>(4); // kakko kari.(ArrayPool?)
}
var tcs = AutoResetUniTaskCompletionSource<T>.Create();
promise.Enqueue(tcs);
return tcs.Task;
}
CancellationTokenRegistration registrationToken = default;
// TODO:atode.
// var registrationToken = cancellationToken.RegisterWithoutCaptureExecutionContext(Callback, Tuple.Create((ICancellationTokenKeyDictionary)promises, (ICancelablePromise)cancellablePromise));
if (registeredCancellations == null)
{
registeredCancellations = ArrayPool<CancellationTokenRegistration>.Shared.Rent(4);
}
ArrayPoolUtil.EnsureCapacity(ref registeredCancellations, registeredCancellationsCount + 1, ArrayPool<CancellationTokenRegistration>.Shared);
registeredCancellations[registeredCancellationsCount++] = registrationToken;
// TODO:<3A>ªuse at registration
{
if (promises == null)
{
promises = new AsyncTriggerPromiseDictionary<T>();
}
var tcs = AutoResetUniTaskCompletionSource<T>.Create();
promises.Add(cancellationToken, tcs);
return tcs.Task;
}
}
static void CancelCallback(object state)
{
// TODO:nantokasuru.
//var tuple = (Tuple<ICancellationTokenKeyDictionary, ICancelablePromise>)state;
//var dict = tuple.Item1;
//var promise = tuple.Item2;
//promise.TrySetCanceled();
//dict.Remove(promise.RegisteredCancellationToken);
}
class AwakeMonitor : IPlayerLoopItem
{
readonly AsyncTriggerBase2 trigger;
public AwakeMonitor(AsyncTriggerBase2 trigger)
{
this.trigger = trigger;
}
public bool MoveNext()
{
if (trigger.calledAwake) return false;
if (trigger == null)
{
trigger.OnDestroy();
return false;
}
return true;
}
}
}
// TODO:remove 2.
[DisallowMultipleComponent]
public class AsyncUpdateTrigger2 : AsyncTriggerBase2
{
MinimumQueue<UniTaskCompletionSource<AsyncUnit>> promise;
AsyncTriggerPromiseDictionary<AsyncUnit> promises;
protected override IEnumerable<ICancelablePromise> GetPromises()
{
// TODO:
throw new NotImplementedException();
}
void Update()
{
// TrySetResult
}
public UniTask UpdateAsync(CancellationToken cancellationToken = default(CancellationToken))
{
return CreatePromise<AsyncUnit>(ref promise, ref promises, cancellationToken).AsUniTask();
}
}
}
#endif

11
Assets/UniRx.Async/UniTask.WhenAll.Generated.cs.meta Normal file
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7
Assets/UniRx.Async/UniTask.WhenAll.Generated.tt.meta Normal file
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11
Assets/UniRx.Async/UniTask.WhenAny.Generated.cs.meta Normal file
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7
Assets/UniRx.Async/UniTask.WhenAny.Generated.tt.meta Normal file
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11
Assets/UniRx.Async/UniTaskExtensions.Shorthand.cs.meta Normal file
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@ -0,0 +1,11 @@
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7
Assets/UniRx.Async/UniTaskExtensions.Shorthand.tt.meta Normal file
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4
Assets/UniRx.Async/UniTaskObservableExtensions.cs
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@ -86,12 +86,12 @@ namespace UniRx.Async
}
}
static async UniTaskVoid Fire(AsyncSubject<object> subject, UniTask task)
static async UniTaskVoid Fire(AsyncSubject<AsyncUnit> subject, UniTask task)
{
try
{
await task;
subject.OnNext(null);
subject.OnNext(AsyncUnit.Default);
subject.OnCompleted();
}
catch (Exception ex)

11
Assets/UniRx.Async/UnityAsyncExtensions.MonoBehaviour.cs.meta Normal file
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@ -0,0 +1,11 @@
fileFormatVersion: 2
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1086
Assets/UniRx.Async/UnityAsyncExtensions.cs
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File diff suppressed because it is too large Load Diff

234
Assets/UniRx.Async/UnityAsyncExtensions.tt Normal file
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@ -0,0 +1,234 @@
<#@ template debug="false" hostspecific="false" language="C#" #>
<#@ assembly name="System.Core" #>
<#@ import namespace="System.Linq" #>
<#@ import namespace="System.Text" #>
<#@ import namespace="System.Collections.Generic" #>
<#@ output extension=".cs" #>
<#
var types = new (string typeName, string returnType, string returnField)[]
{
("AsyncOperation", "void", null),
("ResourceRequest", "UnityEngine.Object", "asset"),
("AssetBundleRequest", "UnityEngine.Object", "asset"), // allAssets?
("AssetBundleCreateRequest", "AssetBundle", "assetBundle"),
("UnityWebRequestAsyncOperation", "UnityWebRequest", "webRequest") // -> #if ENABLE_UNITYWEBREQUEST
};
Func<string, string> ToUniTaskReturnType = x => (x == "void") ? "UniTask" : $"UniTask<{x}>";
Func<string, string> ToIUniTaskSourceReturnType = x => (x == "void") ? "IUniTaskSource" : $"IUniTaskSource<{x}>";
Func<(string typeName, string returnType, string returnField), bool> IsVoid = x => x.returnType == "void";
#>
#pragma warning disable CS1591 // Missing XML comment for publicly visible type or member
using System;
using System.Runtime.CompilerServices;
using System.Threading;
using UnityEngine;
using UniRx.Async.Internal;
#if ENABLE_UNITYWEBREQUEST
using UnityEngine.Networking;
#endif
namespace UniRx.Async
{
public static partial class UnityAsyncExtensions
{
<# foreach(var t in types) { #>
<# if(t.returnType == "UnityWebRequest") { #>
#if ENABLE_UNITYWEBREQUEST
<# } #>
#region <#= t.typeName #>
public static <#= t.typeName #>Awaiter GetAwaiter(this <#= t.typeName #> asyncOperation)
{
Error.ThrowArgumentNullException(asyncOperation, nameof(asyncOperation));
return new <#= t.typeName #>Awaiter(asyncOperation);
}
public static <#= ToUniTaskReturnType(t.returnType) #> ToUniTask(this <#= t.typeName #> asyncOperation)
{
Error.ThrowArgumentNullException(asyncOperation, nameof(asyncOperation));
return new <#= ToUniTaskReturnType(t.returnType) #>(<#= t.typeName #>ConfiguredSource.Create(asyncOperation, PlayerLoopTiming.Update, null, CancellationToken.None, out var token), token);
}
public static <#= ToUniTaskReturnType(t.returnType) #> ConfigureAwait(this <#= t.typeName #> asyncOperation, IProgress<float> progress = null, PlayerLoopTiming timing = PlayerLoopTiming.Update, CancellationToken cancellation = default(CancellationToken))
{
Error.ThrowArgumentNullException(asyncOperation, nameof(asyncOperation));
return new <#= ToUniTaskReturnType(t.returnType) #>(<#= t.typeName #>ConfiguredSource.Create(asyncOperation, timing, progress, cancellation, out var token), token);
}
public struct <#= t.typeName #>Awaiter : ICriticalNotifyCompletion
{
<#= t.typeName #> asyncOperation;
Action<AsyncOperation> continuationAction;
<# if (!IsVoid(t)) { #>
<#= t.returnType #> result;
<# } #>
public <#= t.typeName #>Awaiter(<#= t.typeName #> asyncOperation)
{
this.asyncOperation = asyncOperation;
this.continuationAction = null;
<# if (!IsVoid(t)) { #>
this.result = default;
<# } #>
}
public bool IsCompleted => asyncOperation.isDone;
public <#= t.returnType #> GetResult()
{
if (continuationAction != null)
{
asyncOperation.completed -= continuationAction;
asyncOperation = null; // remove reference.
continuationAction = null;
}
else
{
asyncOperation = null; // remove reference.
}
<# if (!IsVoid(t)) { #>
return this.result;
<# } #>
}
public void OnCompleted(Action continuation)
{
UnsafeOnCompleted(continuation);
}
public void UnsafeOnCompleted(Action continuation)
{
Error.ThrowWhenContinuationIsAlreadyRegistered(continuationAction);
continuationAction = continuation.AsFuncOfT<AsyncOperation>(); // allocate delegate.
asyncOperation.completed += continuationAction;
}
}
class <#= t.typeName #>ConfiguredSource : <#= ToIUniTaskSourceReturnType(t.returnType) #>, IPlayerLoopItem, IPromisePoolItem
{
static readonly PromisePool<<#= t.typeName #>ConfiguredSource> pool = new PromisePool<<#= t.typeName #>ConfiguredSource>();
<#= t.typeName #> asyncOperation;
IProgress<float> progress;
CancellationToken cancellationToken;
UniTaskCompletionSourceCore<<#= IsVoid(t) ? "AsyncUnit" : t.returnType #>> core;
<#= t.typeName #>ConfiguredSource()
{
}
public static <#= ToIUniTaskSourceReturnType(t.returnType) #> Create(<#= t.typeName #> asyncOperation, PlayerLoopTiming timing, IProgress<float> progress, CancellationToken cancellationToken, out short token)
{
if (cancellationToken.IsCancellationRequested)
{
return AutoResetUniTaskCompletionSource<#= IsVoid(t) ? "" : $"<{t.returnType}>" #>.CreateFromCanceled(cancellationToken, out token);
}
var result = pool.TryRent() ?? new <#= t.typeName #>ConfiguredSource();
result.asyncOperation = asyncOperation;
result.progress = progress;
result.cancellationToken = cancellationToken;
TaskTracker2.TrackActiveTask(result, 3);
PlayerLoopHelper.AddAction(timing, result);
token = result.core.Version;
return result;
}
public <#= t.returnType #> GetResult(short token)
{
try
{
TaskTracker2.RemoveTracking(this);
<# if (!IsVoid(t)) { #>
return core.GetResult(token);
<# } else { #>
core.GetResult(token);
<# } #>
}
finally
{
pool.TryReturn(this);
}
}
<# if (!IsVoid(t)) { #>
void IUniTaskSource.GetResult(short token)
{
GetResult(token);
}
<# } #>
public UniTaskStatus GetStatus(short token)
{
return core.GetStatus(token);
}
public UniTaskStatus UnsafeGetStatus()
{
return core.UnsafeGetStatus();
}
public void OnCompleted(Action<object> continuation, object state, short token)
{
core.OnCompleted(continuation, state, token);
}
public bool MoveNext()
{
if (cancellationToken.IsCancellationRequested)
{
core.TrySetCanceled(cancellationToken);
return false;
}
if (progress != null)
{
progress.Report(asyncOperation.progress);
}
if (asyncOperation.isDone)
{
core.TrySetResult(<#= IsVoid(t) ? "AsyncUnit.Default" : $"asyncOperation.{t.returnField}" #>);
return false;
}
return true;
}
public void Reset()
{
core.Reset();
asyncOperation = default;
progress = default;
cancellationToken = default;
}
~<#= t.typeName #>ConfiguredSource()
{
if (pool.TryReturn(this))
{
GC.ReRegisterForFinalize(this);
}
}
}
# endregion
<# if(t.returnType == "UnityWebRequest") { #>
#endif
<# } #>
<# } #>
}
}

221
Assets/UniRx.Async/UnityAsyncExtensions.uGUI.cs
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@ -1,14 +1,11 @@
#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
#pragma warning disable CS1591 // Missing XML comment for publicly visible type or member
using System;
using System.Runtime.CompilerServices;
using System.Threading;
using UniRx.Async.Internal;
using UnityEngine;
using UnityEngine.Events;
using UnityEngine.UI;
using UniRx.Async.Triggers;
namespace UniRx.Async
{
@ -168,86 +165,72 @@ namespace UniRx.Async
public interface IAsyncClickEventHandler : IDisposable
{
UniTask OnClickAsync();
UniTask<bool> OnClickAsyncSuppressCancellationThrow();
}
public interface IAsyncValueChangedEventHandler<T> : IDisposable
{
UniTask<T> OnValueChangedAsync();
UniTask<(bool IsCanceled, T Result)> OnValueChangedAsyncSuppressCancellationThrow();
}
public interface IAsyncEndEditEventHandler<T> : IDisposable
{
UniTask<T> OnEndEditAsync();
UniTask<(bool IsCanceled, T Result)> OnEndEditAsyncSuppressCancellationThrow();
}
// event handler is reusable when callOnce = false.
public class AsyncUnityEventHandler : IAwaiter, IDisposable, IAsyncClickEventHandler
public class AsyncUnityEventHandler : IUniTaskSource, IDisposable, IAsyncClickEventHandler
{
static Action<object> cancellationCallback = CancellationCallback;
readonly UnityAction action;
readonly UnityEvent unityEvent;
Action continuation;
CancellationToken cancellationToken;
CancellationTokenRegistration registration;
bool isDisposed;
bool callOnce;
UniTask<bool>? suppressCancellationThrowTask;
UniTaskCompletionSourceCore<AsyncUnit> core;
public AsyncUnityEventHandler(UnityEvent unityEvent, CancellationToken cancellationToken, bool callOnce)
{
this.callOnce = callOnce;
if (cancellationToken.IsCancellationRequested)
{
isDisposed = true;
return;
}
action = Invoke;
unityEvent.AddListener(action);
this.action = Invoke;
this.unityEvent = unityEvent;
this.cancellationToken = cancellationToken;
this.callOnce = callOnce;
unityEvent.AddListener(action);
if (cancellationToken.CanBeCanceled)
{
registration = cancellationToken.RegisterWithoutCaptureExecutionContext(cancellationCallback, this);
}
TaskTracker.TrackActiveTask(this, 3);
TaskTracker2.TrackActiveTask(this, 3);
}
public UniTask OnInvokeAsync()
{
// zero allocation wait handler.
return new UniTask(this);
}
public UniTask<bool> OnInvokeAsyncSuppressCancellationThrow()
{
if (suppressCancellationThrowTask == null)
{
suppressCancellationThrowTask = OnInvokeAsync().SuppressCancellationThrow();
}
return suppressCancellationThrowTask.Value;
core.Reset();
return new UniTask(this, core.Version);
}
void Invoke()
{
var c = continuation;
continuation = null;
if (c != null)
{
c.Invoke();
}
core.TrySetResult(AsyncUnit.Default);
}
static void CancellationCallback(object state)
{
var self = (AsyncUnityEventHandler)state;
self.Dispose();
self.Invoke(); // call continuation if exists yet(GetResult -> throw OperationCanceledException).
self.core.TrySetCanceled(self.cancellationToken);
}
public void Dispose()
@ -255,7 +238,7 @@ namespace UniRx.Async
if (!isDisposed)
{
isDisposed = true;
TaskTracker.RemoveTracking(this);
TaskTracker2.RemoveTracking(this);
registration.Dispose();
if (unityEvent != null)
{
@ -264,106 +247,96 @@ namespace UniRx.Async
}
}
bool IAwaiter.IsCompleted => isDisposed ? true : false;
UniTaskStatus IAwaiter.Status => isDisposed ? UniTaskStatus.Canceled : UniTaskStatus.Pending;
void IAwaiter.GetResult()
{
if (isDisposed) throw new OperationCanceledException();
if (callOnce) Dispose();
}
void INotifyCompletion.OnCompleted(Action action)
{
((ICriticalNotifyCompletion)this).UnsafeOnCompleted(action);
}
void ICriticalNotifyCompletion.UnsafeOnCompleted(Action action)
{
Error.ThrowWhenContinuationIsAlreadyRegistered(this.continuation);
this.continuation = action;
}
// Interface events.
UniTask IAsyncClickEventHandler.OnClickAsync()
{
return OnInvokeAsync();
}
UniTask<bool> IAsyncClickEventHandler.OnClickAsyncSuppressCancellationThrow()
void IUniTaskSource.GetResult(short token)
{
return OnInvokeAsyncSuppressCancellationThrow();
try
{
core.GetResult(token);
}
finally
{
if (callOnce)
{
Dispose();
}
}
}
// event handler is reusable when callOnce = false.
public class AsyncUnityEventHandler<T> : IAwaiter<T>, IDisposable, IAsyncValueChangedEventHandler<T>, IAsyncEndEditEventHandler<T>
UniTaskStatus IUniTaskSource.GetStatus(short token)
{
return core.GetStatus(token);
}
UniTaskStatus IUniTaskSource.UnsafeGetStatus()
{
return core.UnsafeGetStatus();
}
void IUniTaskSource.OnCompleted(Action<object> continuation, object state, short token)
{
core.OnCompleted(continuation, state, token);
}
}
public class AsyncUnityEventHandler<T> : IUniTaskSource<T>, IDisposable, IAsyncValueChangedEventHandler<T>, IAsyncEndEditEventHandler<T>
{
static Action<object> cancellationCallback = CancellationCallback;
readonly UnityAction<T> action;
readonly UnityEvent<T> unityEvent;
Action continuation;
CancellationToken cancellationToken;
CancellationTokenRegistration registration;
bool isDisposed;
T eventValue;
bool callOnce;
UniTask<(bool, T)>? suppressCancellationThrowTask;
UniTaskCompletionSourceCore<T> core;
public AsyncUnityEventHandler(UnityEvent<T> unityEvent, CancellationToken cancellationToken, bool callOnce)
{
this.callOnce = callOnce;
if (cancellationToken.IsCancellationRequested)
{
isDisposed = true;
return;
}
action = Invoke;
unityEvent.AddListener(action);
this.action = Invoke;
this.unityEvent = unityEvent;
this.cancellationToken = cancellationToken;
this.callOnce = callOnce;
unityEvent.AddListener(action);
if (cancellationToken.CanBeCanceled)
{
registration = cancellationToken.RegisterWithoutCaptureExecutionContext(cancellationCallback, this);
}
TaskTracker.TrackActiveTask(this, 3);
TaskTracker2.TrackActiveTask(this, 3);
}
public UniTask<T> OnInvokeAsync()
{
// zero allocation wait handler.
return new UniTask<T>(this);
core.Reset();
return new UniTask<T>(this, core.Version);
}
public UniTask<(bool IsCanceled, T Result)> OnInvokeAsyncSuppressCancellationThrow()
void Invoke(T result)
{
if (suppressCancellationThrowTask == null)
{
suppressCancellationThrowTask = OnInvokeAsync().SuppressCancellationThrow();
}
return suppressCancellationThrowTask.Value;
}
void Invoke(T value)
{
this.eventValue = value;
var c = continuation;
continuation = null;
if (c != null)
{
c.Invoke();
}
core.TrySetResult(result);
}
static void CancellationCallback(object state)
{
var self = (AsyncUnityEventHandler<T>)state;
self.Dispose();
self.Invoke(default(T)); // call continuation if exists yet(GetResult -> throw OperationCanceledException).
self.core.TrySetCanceled(self.cancellationToken);
}
public void Dispose()
@ -371,7 +344,7 @@ namespace UniRx.Async
if (!isDisposed)
{
isDisposed = true;
TaskTracker.RemoveTracking(this);
TaskTracker2.RemoveTracking(this);
registration.Dispose();
if (unityEvent != null)
{
@ -380,55 +353,49 @@ namespace UniRx.Async
}
}
bool IAwaiter.IsCompleted => isDisposed ? true : false;
UniTaskStatus IAwaiter.Status => isDisposed ? UniTaskStatus.Canceled : UniTaskStatus.Pending;
T IAwaiter<T>.GetResult()
{
if (isDisposed) throw new OperationCanceledException();
if (callOnce) Dispose();
return eventValue;
}
void IAwaiter.GetResult()
{
if (isDisposed) throw new OperationCanceledException();
if (callOnce) Dispose();
}
void INotifyCompletion.OnCompleted(Action action)
{
((ICriticalNotifyCompletion)this).UnsafeOnCompleted(action);
}
void ICriticalNotifyCompletion.UnsafeOnCompleted(Action action)
{
Error.ThrowWhenContinuationIsAlreadyRegistered(this.continuation);
this.continuation = action;
}
// Interface events.
UniTask<T> IAsyncValueChangedEventHandler<T>.OnValueChangedAsync()
{
return OnInvokeAsync();
}
UniTask<(bool IsCanceled, T Result)> IAsyncValueChangedEventHandler<T>.OnValueChangedAsyncSuppressCancellationThrow()
{
return OnInvokeAsyncSuppressCancellationThrow();
}
UniTask<T> IAsyncEndEditEventHandler<T>.OnEndEditAsync()
{
return OnInvokeAsync();
}
UniTask<(bool IsCanceled, T Result)> IAsyncEndEditEventHandler<T>.OnEndEditAsyncSuppressCancellationThrow()
T IUniTaskSource<T>.GetResult(short token)
{
return OnInvokeAsyncSuppressCancellationThrow();
try
{
return core.GetResult(token);
}
finally
{
if (callOnce)
{
Dispose();
}
}
}
#endif
void IUniTaskSource.GetResult(short token)
{
((IUniTaskSource<T>)this).GetResult(token);
}
UniTaskStatus IUniTaskSource.GetStatus(short token)
{
return core.GetStatus(token);
}
UniTaskStatus IUniTaskSource.UnsafeGetStatus()
{
return core.UnsafeGetStatus();
}
void IUniTaskSource.OnCompleted(Action<object> continuation, object state, short token)
{
core.OnCompleted(continuation, state, token);
}
}
}