Add stubs for AudioWorklet

[Chris Dumez]

Add stubs for AudioWorklet:
- https://www.w3.org/TR/webaudio/#audioworklet

[Chris Dumez]

Created attachment 409936 [details]
Patch

[Chris Dumez]

Created attachment 409937 [details]
Patch

[Chris Dumez]

Created attachment 409942 [details]
Patch

[Chris Dumez]

Created attachment 409944 [details]
Patch

[Chris Dumez]

Created attachment 409953 [details]
Patch

[Eric Carlson]

Comment on attachment 409953 [details]
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=409953&action=review

> Source/WebCore/css/DOMCSSPaintWorklet.cpp:76
> +void PaintWorklet::addModule(Document& document, const String& moduleURL, WorkletOptions&&, DOMPromiseDeferred<void>&& promise)
> +{
> +    // FIXME: We should download the source from the URL
> +    // https://bugs.webkit.org/show_bug.cgi?id=191136
> +    auto maybeContext = PaintWorkletGlobalScope::tryCreate(document, ScriptSourceCode(moduleURL));
> +    if (UNLIKELY(!maybeContext)) {
> +        promise.reject(Exception { OutOfMemoryError });
> +        return;
> +    }
> +    auto context = maybeContext.releaseNonNull();
> +    context->evaluate();
> +
> +    auto locker = holdLock(context->paintDefinitionLock());
> +    for (auto& name : context->paintDefinitionMap().keys())
> +        document.setPaintWorkletGlobalScopeForName(name, makeRef(context.get()));
> +    promise.resolve();
> +}
> +

Did you mean to include PaintWorklet changes in this patch?

[Chris Dumez]

(In reply to Eric Carlson from comment #6)
> Comment on attachment 409953 [details]
> Patch
> 
> View in context:
> https://bugs.webkit.org/attachment.cgi?id=409953&action=review
> 
> > Source/WebCore/css/DOMCSSPaintWorklet.cpp:76
> > +void PaintWorklet::addModule(Document& document, const String& moduleURL, WorkletOptions&&, DOMPromiseDeferred<void>&& promise)
> > +{
> > +    // FIXME: We should download the source from the URL
> > +    // https://bugs.webkit.org/show_bug.cgi?id=191136
> > +    auto maybeContext = PaintWorkletGlobalScope::tryCreate(document, ScriptSourceCode(moduleURL));
> > +    if (UNLIKELY(!maybeContext)) {
> > +        promise.reject(Exception { OutOfMemoryError });
> > +        return;
> > +    }
> > +    auto context = maybeContext.releaseNonNull();
> > +    context->evaluate();
> > +
> > +    auto locker = holdLock(context->paintDefinitionLock());
> > +    for (auto& name : context->paintDefinitionMap().keys())
> > +        document.setPaintWorkletGlobalScopeForName(name, makeRef(context.get()));
> > +    promise.resolve();
> > +}
> > +
> 
> Did you mean to include PaintWorklet changes in this patch?

Yes, I moved paint Worklet specific code out of the generic Worklet code and to a PaintWorklet subclass.

[Chris Dumez]

Created attachment 410003 [details]
Patch

[Chris Dumez]

Created attachment 410004 [details]
Patch

[EWS]

Committed r267744: <https://trac.webkit.org/changeset/267744>

All reviewed patches have been landed. Closing bug and clearing flags on attachment 410004 [details].

[Radar WebKit Bug Importer]

<rdar://problem/69751498>