protected void SubscribeProgress(Action <float> onProgress, CancelationToken cancelationToken)
{
ValidateOperation(this, 2);
ValidateArgument(onProgress, "onProgress", 2);
if (_state == State.Pending)
{
InternalProtected.IProgressListener progressListener = InternalProtected.ProgressDelegate.GetOrCreate(onProgress, this, cancelationToken);
// Directly add to listeners for this promise.
// Sets promise to the one this is waiting on. Returns false if not waiting on another promise.
Promise promise;
if (!SubscribeProgressAndContinueLoop(ref progressListener, out promise))
{
// This is the root of the promise tree.
progressListener.SetInitialProgress(_waitDepthAndProgress);
return;
}
SubscribeProgressToBranchesAndRoots(promise, progressListener);
}
else if (_state == State.Resolved)
{
Internal.AddToHandleQueueBack(InternalProtected.ProgressDelegate.GetOrCreate(onProgress, this));
}
// Don't report progress if the promise is canceled or rejected.
}
/// <summary>
/// Create a new <see cref="CancelationSource"/> that will be canceled either when you cancel it, or when the given token is canceled (with the same value), whichever is first.
/// <para/>Note: the new <see cref="CancelationSource"/> still must be disposed when you are finished with it.
/// </summary>
/// <param name="token">The cancelation token to observe.</param>
/// <returns>A new <see cref="CancelationSource"/> that is linked to the source token.</returns>
public static CancelationSource New(CancelationToken token)
{
ValidateThreadAccess(1);
CancelationSource newCancelationSource = New();
token.MaybeLinkSourceInternal(newCancelationSource._ref);
return(newCancelationSource);
}
/// <summary>
/// Create a new <see cref="CancelationSource"/> that will be canceled either when you cancel it, or when any of the given tokens are canceled (with the same value), whichever is first.
/// <para/>Note: the new <see cref="CancelationSource"/> still must be disposed when you are finished with it.
/// </summary>
/// <param name="token1">The first cancelation token to observe.</param>
/// <param name="token2">The second cancelation token to observe.</param>
/// <returns>A new <see cref="CancelationSource"/> that is linked to the source token.</returns>
public static CancelationSource New(CancelationToken token1, CancelationToken token2)
{
ValidateThreadAccess(1);
CancelationSource newCancelationSource = New(token1);
if (!newCancelationSource._ref.IsCanceled)
{
token2.MaybeLinkSourceInternal(newCancelationSource._ref);
}
return(newCancelationSource);
}
protected void Reset(Promise owner, CancelationToken cancelationToken)
{
_owner = owner;
_handling = false;
_done = false;
_suspended = false;
_canceled = false;
_current = default(UnsignedFixed32);
SetCreatedStacktrace(this, 4);
if (cancelationToken.CanBeCanceled)
{
_cancelationRegistration = cancelationToken.RegisterInternal(this);
}
}
public static Promise CreateSequence <TEnumerator>(TEnumerator promiseFuncs, CancelationToken cancelationToken = default(CancelationToken)) where TEnumerator : IEnumerator <Func <Promise> >
{
ValidateArgument(promiseFuncs, "promiseFuncs", 2);
if (!promiseFuncs.MoveNext())
{
return(Resolved());
}
// Invoke funcs async and normalize the progress.
Promise rootPromise;
if (cancelationToken.CanBeCanceled)
{
var newPromise = PromiseResolvePromise <DelegateVoidPromiseCancel> .GetOrCreate();
newPromise.resolver = new DelegateVoidPromiseCancel(promiseFuncs.Current);
newPromise.resolver.cancelationRegistration = cancelationToken.RegisterInternal(newPromise);
// Set resolved value only if cancelation token wasn't already canceled (_valueOrPrevious will be a cancel value from being invoked synchronously).
if (newPromise._valueOrPrevious == null)
{
newPromise._valueOrPrevious = Internal.ResolveContainerVoid.GetOrCreate();
}
rootPromise = newPromise;
}
else
{
var newPromise = PromiseResolvePromise <DelegateVoidPromise> .GetOrCreate();
newPromise.resolver = new DelegateVoidPromise(promiseFuncs.Current);
newPromise._valueOrPrevious = Internal.ResolveContainerVoid.GetOrCreate();
rootPromise = newPromise;
}
rootPromise.ResetDepth();
Promise promise = rootPromise;
while (promiseFuncs.MoveNext())
{
promise = promise.Then(promiseFuncs.Current, cancelationToken);
}
Internal.AddToHandleQueueBack(rootPromise); return(promise);
}
public static ProgressDelegateCapture <TCapture> GetOrCreate(TCapture capturedValue, Action <TCapture, float> onProgress, Promise owner, CancelationToken cancelationToken = default(CancelationToken))
{
var progress = _pool.IsNotEmpty ? (ProgressDelegateCapture <TCapture>)_pool.Pop() : new ProgressDelegateCapture <TCapture>();
progress._capturedValue = capturedValue;
progress._onProgress = onProgress;
progress.Reset(owner, cancelationToken);
return(progress);
}
public static ProgressDelegate GetOrCreate(Action <float> onProgress, Promise owner, CancelationToken cancelationToken = default(CancelationToken))
{
var progress = _pool.IsNotEmpty ? (ProgressDelegate)_pool.Pop() : new ProgressDelegate();
progress._onProgress = onProgress;
progress.Reset(owner, cancelationToken);
return(progress);
}
