public static UniTask ToUniTask(this AsyncOperationHandle handle, IProgress <float> progress =
null, PlayerLoopTiming timing = PlayerLoopTiming.Update, CancellationToken cancellationToken =
default(CancellationToken))
{
if (cancellationToken.IsCancellationRequested)
{
return(UniTask.FromCanceled(cancellationToken));
}
if (!handle.IsValid())
{
// autoReleaseHandle:true handle is invalid(immediately internal handle == null) so return completed.
return(UniTask.CompletedTask);
}
if (handle.IsDone)
{
if (handle.Status == AsyncOperationStatus.Failed)
{
return(UniTask.FromException(handle.OperationException));
}
return(UniTask.CompletedTask);
}
return(new UniTask(AsyncOperationHandleConfiguredSource.Create(handle, timing, progress, cancellationToken, out var token), token));
}
public static UniTask <T> ToUniTask <T>(this AsyncOperationHandle <T> handle, IProgress <float> progress =
null, PlayerLoopTiming timing = PlayerLoopTiming.Update, CancellationToken cancellationToken =
default(CancellationToken))
{
if (cancellationToken.IsCancellationRequested)
{
return(UniTask.FromCanceled <T>(cancellationToken));
}
if (!handle.IsValid())
{
throw new Exception("Attempting to use an invalid operation handle");
}
if (handle.IsDone)
{
if (handle.Status == AsyncOperationStatus.Failed)
{
return(UniTask.FromException <T>(handle.OperationException));
}
return(UniTask.FromResult(handle.Result));
}
return(new UniTask <T>(AsyncOperationHandleConfiguredSource <T> .Create(handle, timing, progress, cancellationToken, out var token), token));
}
public static (UniTask, CancellationTokenRegistration) ToUniTask(this CancellationToken cancellationToken)
{
if (cancellationToken.IsCancellationRequested)
{
return(UniTask.FromCanceled(cancellationToken), default(CancellationTokenRegistration));
}
var promise = new UniTaskCompletionSource();
return(promise.Task, cancellationToken.RegisterWithoutCaptureExecutionContext(cancellationTokenCallback, promise));
}
public static UniTask <UnityEngine.Object[]> AwaitForAllAssets(this AssetBundleRequest asyncOperation, CancellationToken cancellationToken)
{
Error.ThrowArgumentNullException(asyncOperation, nameof(asyncOperation));
if (cancellationToken.IsCancellationRequested)
{
return(UniTask.FromCanceled <UnityEngine.Object[]>(cancellationToken));
}
if (asyncOperation.isDone)
{
return(UniTask.FromResult <UnityEngine.Object[]>(asyncOperation.allAssets));
}
return(new UniTask <UnityEngine.Object[]>(AssetBundleRequestAllAssetsWithCancellationSource.Create(asyncOperation, cancellationToken, out var token), token));
}
public static UniTask <UnityEngine.Object[]> AwaitForAllAssets(this AssetBundleRequest asyncOperation, IProgress <float> progress = null, PlayerLoopTiming timing = PlayerLoopTiming.Update, CancellationToken cancellationToken = default(CancellationToken))
{
Error.ThrowArgumentNullException(asyncOperation, nameof(asyncOperation));
if (cancellationToken.IsCancellationRequested)
{
return(UniTask.FromCanceled <UnityEngine.Object[]>(cancellationToken));
}
if (asyncOperation.isDone)
{
return(UniTask.FromResult(asyncOperation.allAssets));
}
return(new UniTask <UnityEngine.Object[]>(AssetBundleRequestAllAssetsConfiguredSource.Create(asyncOperation, timing, progress, cancellationToken, out var token), token));
}
public static UniTask ToUniTask(this AsyncOperation asyncOperation, IProgress <float> progress = null, PlayerLoopTiming timing = PlayerLoopTiming.Update, CancellationToken cancellationToken = default(CancellationToken))
{
Error.ThrowArgumentNullException(asyncOperation, nameof(asyncOperation));
if (cancellationToken.IsCancellationRequested)
{
return(UniTask.FromCanceled(cancellationToken));
}
if (asyncOperation.isDone)
{
return(UniTask.CompletedTask);
}
return(new UniTask(AsyncOperationConfiguredSource.Create(asyncOperation, timing, progress, cancellationToken, out var token), token));
}
public static UniTask <UnityEngine.Object> WithCancellation(this ResourceRequest asyncOperation, CancellationToken cancellationToken)
{
Error.ThrowArgumentNullException(asyncOperation, nameof(asyncOperation));
if (cancellationToken.IsCancellationRequested)
{
return(UniTask.FromCanceled <UnityEngine.Object>(cancellationToken));
}
if (asyncOperation.isDone)
{
return(UniTask.FromResult(asyncOperation.asset));
}
return(new UniTask <UnityEngine.Object>(ResourceRequestWithCancellationSource.Create(asyncOperation, cancellationToken, out var token), token));
}
public static UniTask WithCancellation(this AsyncOperation asyncOperation, CancellationToken cancellationToken)
{
Error.ThrowArgumentNullException(asyncOperation, nameof(asyncOperation));
if (cancellationToken.IsCancellationRequested)
{
return(UniTask.FromCanceled(cancellationToken));
}
if (asyncOperation.isDone)
{
return(UniTask.CompletedTask);
}
return(new UniTask(AsyncOperationWithCancellationSource.Create(asyncOperation, cancellationToken, out var token), token));
}
public static UniTask <T> WithCancellation <T>(this AsyncOperationHandle <T> handle, CancellationToken cancellationToken)
{
if (cancellationToken.IsCancellationRequested)
{
return(UniTask.FromCanceled <T>(cancellationToken));
}
if (handle.IsDone)
{
if (handle.Status == AsyncOperationStatus.Failed)
{
return(UniTask.FromException <T>(handle.OperationException));
}
return(UniTask.FromResult(handle.Result));
}
return(new UniTask <T>(AsyncOperationHandleWithCancellationSource <T> .Create(handle, cancellationToken, out var token), token));
}
public static UniTask <UnityWebRequest> ToUniTask(this UnityWebRequestAsyncOperation asyncOperation, IProgress <float> progress = null, PlayerLoopTiming timing = PlayerLoopTiming.Update, CancellationToken cancellationToken = default(CancellationToken))
{
Error.ThrowArgumentNullException(asyncOperation, nameof(asyncOperation));
if (cancellationToken.IsCancellationRequested)
{
return(UniTask.FromCanceled <UnityWebRequest>(cancellationToken));
}
if (asyncOperation.isDone)
{
if (asyncOperation.webRequest.IsError())
{
return(UniTask.FromException <UnityWebRequest>(new UnityWebRequestException(asyncOperation.webRequest)));
}
return(UniTask.FromResult(asyncOperation.webRequest));
}
return(new UniTask <UnityWebRequest>(UnityWebRequestAsyncOperationConfiguredSource.Create(asyncOperation, timing, progress, cancellationToken, out var token), token));
}
public static UniTask ToUniTask(this AsyncOperationHandle handle, IProgress <float> progress = null, PlayerLoopTiming timing = PlayerLoopTiming.Update, CancellationToken cancellationToken = default(CancellationToken))
{
if (cancellationToken.IsCancellationRequested)
{
return(UniTask.FromCanceled(cancellationToken));
}
if (handle.IsDone)
{
if (handle.Status == AsyncOperationStatus.Failed)
{
return(UniTask.FromException(handle.OperationException));
}
return(UniTask.CompletedTask);
}
return(new UniTask(AsyncOperationHandleConfiguredSource.Create(handle, timing, progress, cancellationToken, out var token), token));
}
public static UniTask WithCancellation(this AsyncOperationHandle handle, CancellationToken cancellationToken)
{
if (cancellationToken.IsCancellationRequested)
{
return(UniTask.FromCanceled(cancellationToken));
}
if (handle.IsDone)
{
if (handle.Status == AsyncOperationStatus.Failed)
{
return(UniTask.FromException(handle.OperationException));
}
return(UniTask.CompletedTask);
}
return(new UniTask(AsyncOperationHandleWithCancellationSource.Create(handle, cancellationToken, out var token), token));
}
public static UniTask <UnityWebRequest> WithCancellation(this UnityWebRequestAsyncOperation asyncOperation, CancellationToken cancellationToken)
{
Error.ThrowArgumentNullException(asyncOperation, nameof(asyncOperation));
if (cancellationToken.IsCancellationRequested)
{
return(UniTask.FromCanceled <UnityWebRequest>(cancellationToken));
}
if (asyncOperation.isDone)
{
if (asyncOperation.webRequest.IsError())
{
return(UniTask.FromException <UnityWebRequest>(new UnityWebRequestException(asyncOperation.webRequest)));
}
return(UniTask.FromResult(asyncOperation.webRequest));
}
return(new UniTask <UnityWebRequest>(UnityWebRequestAsyncOperationWithCancellationSource.Create(asyncOperation, cancellationToken, out var token), token));
}
/// <summary>
/// Ignore task result when cancel raised first.
/// </summary>
public static UniTask <T> WithCancellation <T>(this UniTask <T> task, CancellationToken cancellationToken)
{
if (!cancellationToken.CanBeCanceled)
{
return(task);
}
if (cancellationToken.IsCancellationRequested)
{
return(UniTask.FromCanceled <T>(cancellationToken));
}
if (task.Status.IsCompleted())
{
return(task);
}
return(new UniTask <T>(new WithCancellationSource <T>(task, cancellationToken), 0));
}
/// <summary>
/// Ignore task result when cancel raised first.
/// </summary>
public static UniTask AttachExternalCancellation(this UniTask task, CancellationToken cancellationToken)
{
if (!cancellationToken.CanBeCanceled)
{
return(task);
}
if (cancellationToken.IsCancellationRequested)
{
return(UniTask.FromCanceled(cancellationToken));
}
if (task.Status.IsCompleted())
{
return(task);
}
return(new UniTask(new AttachExternalCancellationSource(task, cancellationToken), 0));
}
public override UniTask <bool> WaitToReadAsync(CancellationToken cancellationToken)
{
if (cancellationToken.IsCancellationRequested)
{
return(UniTask.FromCanceled <bool>(cancellationToken));
}
lock (parent.items) {
if (parent.items.Count != 0)
{
return(CompletedTasks.True);
}
if (parent.closed)
{
if (parent.completionError == null)
{
return(CompletedTasks.False);
}
else
{
return(UniTask.FromException <bool>(parent.completionError));
}
}
cancellationTokenRegistration.Dispose();
core.Reset();
isWaiting = true;
this.cancellationToken = cancellationToken;
if (this.cancellationToken.CanBeCanceled)
{
cancellationTokenRegistration =
this.cancellationToken.RegisterWithoutCaptureExecutionContext(CancellationCallbackDelegate,
this);
}
return(new UniTask <bool>(this, core.Version));
}
}
