/* * Copyright (C) 2007, 2014 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 "JSNodeList.h" #include "ChildNodeList.h" #include "JSNode.h" #include "LiveNodeList.h" #include "Node.h" #include "NodeList.h" #include <wtf/text/AtomicString.h> using namespace JSC; namespace WebCore { bool JSNodeListOwner::isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown> handle, void*, SlotVisitor& visitor) { JSNodeList* jsNodeList = jsCast<JSNodeList*>(handle.slot()->asCell()); if (!jsNodeList->hasCustomProperties()) return false; if (jsNodeList->wrapped().isLiveNodeList()) return visitor.containsOpaqueRoot(root(static_cast<LiveNodeList&>(jsNodeList->wrapped()).ownerNode())); if (jsNodeList->wrapped().isChildNodeList()) return visitor.containsOpaqueRoot(root(static_cast<ChildNodeList&>(jsNodeList->wrapped()).ownerNode())); if (jsNodeList->wrapped().isEmptyNodeList()) return visitor.containsOpaqueRoot(root(static_cast<EmptyNodeList&>(jsNodeList->wrapped()).ownerNode())); return false; } JSC::JSValue createWrapper(JSDOMGlobalObject& globalObject, Ref<NodeList>&& nodeList) { // FIXME: Adopt reportExtraMemoryVisited, and switch to reportExtraMemoryAllocated. // https://bugs.webkit.org/show_bug.cgi?id=142595 globalObject.vm().heap.deprecatedReportExtraMemory(nodeList->memoryCost()); return createWrapper<JSNodeList>(&globalObject, WTFMove(nodeList)); } JSC::JSValue toJSNewlyCreated(ExecState*, JSDOMGlobalObject* globalObject, Ref<NodeList>&& nodeList) { return createWrapper(*globalObject, WTFMove(nodeList)); } } // namespace WebCore