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/*
* Copyright (C) 2018 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "DOMCSSPaintWorklet.h"
#include "DOMCSSNamespace.h"
#include "DocumentInlines.h"
#include "JSDOMPromiseDeferred.h"
#include "PaintWorkletGlobalScope.h"
#include "WorkletGlobalScopeProxy.h"
#include <wtf/text/WTFString.h>
namespace WebCore {
DEFINE_ALLOCATOR_WITH_HEAP_IDENTIFIER(DOMCSSPaintWorklet);
PaintWorklet& DOMCSSPaintWorklet::ensurePaintWorklet(Document& document)
{
return document.ensurePaintWorklet();
}
DOMCSSPaintWorklet* DOMCSSPaintWorklet::from(DOMCSSNamespace& css)
{
auto* supplement = static_cast<DOMCSSPaintWorklet*>(Supplement<DOMCSSNamespace>::from(&css, supplementName()));
if (!supplement) {
auto newSupplement = makeUnique<DOMCSSPaintWorklet>(css);
supplement = newSupplement.get();
provideTo(&css, supplementName(), WTFMove(newSupplement));
}
return supplement;
}
ASCIILiteral DOMCSSPaintWorklet::supplementName()
{
return "DOMCSSPaintWorklet"_s;
}
// FIXME: Get rid of this override and rely on the standard-compliant Worklet::addModule() instead.
void PaintWorklet::addModule(const String& moduleURL, WorkletOptions&&, DOMPromiseDeferred<void>&& promise)
{
RefPtr document = this->document();
if (!document) {
promise.reject(Exception { ExceptionCode::InvalidStateError, "This frame is detached"_s });
return;
}
if (!document->hasBrowsingContext()) {
promise.reject(Exception { ExceptionCode::InvalidStateError, "This document does not have a browsing context"_s });
return;
}
// FIXME: We should download the source from the URL
// https://bugs.webkit.org/show_bug.cgi?id=191136
// PaintWorklets don't have access to any sensitive APIs so we don't bother tracking taintedness there.
auto maybeContext = PaintWorkletGlobalScope::tryCreate(*document, ScriptSourceCode(moduleURL, JSC::SourceTaintedOrigin::Untainted));
if (UNLIKELY(!maybeContext)) {
promise.reject(Exception { ExceptionCode::OutOfMemoryError });
return;
}
auto context = maybeContext.releaseNonNull();
context->evaluate();
Locker locker { context->paintDefinitionLock() };
for (auto& name : context->paintDefinitionMap().keys())
document->setPaintWorkletGlobalScopeForName(name, context.copyRef());
promise.resolve();
}
Vector<Ref<WorkletGlobalScopeProxy>> PaintWorklet::createGlobalScopes()
{
// FIXME: Add implementation.
return { };
}
} // namespace WebCore
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