blob: 3fecfe67857a30abe3b2d926343f8c99e3546d0f [file] [log] [blame]
/*
* Copyright (C) 2007-2021 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 "JSDeprecatedCSSOMValue.h"
#include "JSCSSStyleDeclarationCustom.h"
#include "JSDeprecatedCSSOMPrimitiveValue.h"
#include "JSDeprecatedCSSOMValueList.h"
#include "JSNode.h"
namespace WebCore {
using namespace JSC;
bool JSDeprecatedCSSOMValueOwner::isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown> handle, void*, AbstractSlotVisitor& visitor, const char** reason)
{
JSDeprecatedCSSOMValue* jsCSSValue = jsCast<JSDeprecatedCSSOMValue*>(handle.slot()->asCell());
if (!jsCSSValue->hasCustomProperties(jsCSSValue->vm()))
return false;
if (UNLIKELY(reason))
*reason = "CSSStyleDeclaration is opaque root";
return visitor.containsOpaqueRoot(root(&jsCSSValue->wrapped().owner()));
}
JSValue toJSNewlyCreated(JSGlobalObject*, JSDOMGlobalObject* globalObject, Ref<DeprecatedCSSOMValue>&& value)
{
if (value->isValueList())
return createWrapper<DeprecatedCSSOMValueList>(globalObject, WTFMove(value));
// Expose CSS-wide keywords as plain CSSValues to keep the existing behavior.
if (value->isPrimitiveValue() && !downcast<DeprecatedCSSOMPrimitiveValue>(value.get()).isCSSWideKeyword())
return createWrapper<DeprecatedCSSOMPrimitiveValue>(globalObject, WTFMove(value));
return createWrapper<DeprecatedCSSOMValue>(globalObject, WTFMove(value));
}
JSValue toJS(JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject* globalObject, DeprecatedCSSOMValue& value)
{
return wrap(lexicalGlobalObject, globalObject, value);
}
} // namespace WebCore