Source/WebCore/bindings/js/JSDeprecatedCSSOMValueCustom.cpp

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#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