1/*
2 * Copyright (C) 2007, 2014 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "JSNodeList.h"
28
29#include "ChildNodeList.h"
30#include "JSNode.h"
31#include "LiveNodeList.h"
32#include "Node.h"
33#include "NodeList.h"
34#include <wtf/text/AtomicString.h>
35
36using namespace JSC;
37
38namespace WebCore {
39
40bool JSNodeListOwner::isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown> handle, void*, SlotVisitor& visitor)
41{
42    JSNodeList* jsNodeList = jsCast<JSNodeList*>(handle.slot()->asCell());
43    if (!jsNodeList->hasCustomProperties())
44        return false;
45    if (jsNodeList->impl().isLiveNodeList())
46        return visitor.containsOpaqueRoot(root(static_cast<LiveNodeList&>(jsNodeList->impl()).ownerNode()));
47    if (jsNodeList->impl().isChildNodeList())
48        return visitor.containsOpaqueRoot(root(static_cast<ChildNodeList&>(jsNodeList->impl()).ownerNode()));
49    if (jsNodeList->impl().isEmptyNodeList())
50        return visitor.containsOpaqueRoot(root(static_cast<EmptyNodeList&>(jsNodeList->impl()).ownerNode()));
51    return false;
52}
53
54bool JSNodeList::getOwnPropertySlotDelegate(ExecState* exec, PropertyName propertyName, PropertySlot& slot)
55{
56    if (Node* item = impl().namedItem(propertyNameToAtomicString(propertyName))) {
57        slot.setValue(this, ReadOnly | DontDelete | DontEnum, toJS(exec, globalObject(), item));
58        return true;
59    }
60    return false;
61}
62
63JSC::JSValue createWrapper(JSDOMGlobalObject& globalObject, NodeList& nodeList)
64{
65    globalObject.vm().heap.reportExtraMemoryCost(nodeList.memoryCost());
66    return createNewWrapper<JSNodeList>(&globalObject, &nodeList);
67}
68
69} // namespace WebCore
70