/* * Copyright (C) 2007-2016 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 "JSCSSStyleDeclaration.h" #include "DOMWrapperWorld.h" #include "JSCSSRuleCustom.h" #include "JSDOMConvertInterface.h" #include "JSDOMConvertStrings.h" #include "JSDeprecatedCSSOMValue.h" #include "JSNodeCustom.h" #include "JSStyleSheetCustom.h" #include "StyledElement.h" namespace WebCore { using namespace JSC; void* root(CSSStyleDeclaration* style) { ASSERT(style); if (auto* parentRule = style->parentRule()) return root(parentRule); if (auto* styleSheet = style->parentStyleSheet()) return root(styleSheet); if (auto* parentElement = style->parentElement()) return root(parentElement); return style; } void JSCSSStyleDeclaration::visitAdditionalChildren(SlotVisitor& visitor) { visitor.addOpaqueRoot(root(&wrapped())); } } // namespace WebCore