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/*
* Copyright (C) 2007, 2008, 2009 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 COMPUTER, 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 COMPUTER, 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 "JSNamedNodeMap.h"
#include "JSNode.h"
#include "Element.h"
#include "NamedNodeMap.h"
using namespace JSC;
namespace WebCore {
class JSNamedNodeMapOwner : public JSC::WeakHandleOwner {
virtual bool isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown>, void* context, JSC::MarkStack&);
virtual void finalize(JSC::Handle<JSC::Unknown>, void* context);
};
bool JSNamedNodeMapOwner::isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown> handle, void*, MarkStack& markStack)
{
JSNamedNodeMap* jsNamedNodeMap = static_cast<JSNamedNodeMap*>(handle.get().asCell());
if (!jsNamedNodeMap->hasCustomProperties())
return false;
Element* element = jsNamedNodeMap->impl()->element();
if (!element)
return false;
return markStack.containsOpaqueRoot(root(element));
}
void JSNamedNodeMapOwner::finalize(JSC::Handle<JSC::Unknown> handle, void* context)
{
JSNamedNodeMap* jsNamedNodeMap = static_cast<JSNamedNodeMap*>(handle.get().asCell());
DOMWrapperWorld* world = static_cast<DOMWrapperWorld*>(context);
uncacheWrapper(world, jsNamedNodeMap->impl(), jsNamedNodeMap);
}
inline JSC::WeakHandleOwner* wrapperOwner(DOMWrapperWorld*, NamedNodeMap*)
{
DEFINE_STATIC_LOCAL(JSNamedNodeMapOwner, jsNamedNodeMapOwner, ());
return &jsNamedNodeMapOwner;
}
inline void* wrapperContext(DOMWrapperWorld* world, NamedNodeMap*)
{
return world;
}
bool JSNamedNodeMap::canGetItemsForName(ExecState*, NamedNodeMap* impl, const Identifier& propertyName)
{
return impl->getNamedItem(identifierToString(propertyName));
}
JSValue JSNamedNodeMap::nameGetter(ExecState* exec, JSValue slotBase, const Identifier& propertyName)
{
JSNamedNodeMap* thisObj = static_cast<JSNamedNodeMap*>(asObject(slotBase));
return toJS(exec, thisObj->impl()->getNamedItem(identifierToString(propertyName)));
}
void JSNamedNodeMap::markChildren(MarkStack& markStack)
{
Base::markChildren(markStack);
// We need to keep the wrapper for our underlying NamedNodeMap's element
// alive because NamedNodeMap and Attr rely on the element for data, and
// don't know how to keep it alive correctly.
// FIXME: Fix this lifetime issue in the DOM, and remove this.
Element* element = impl()->element();
if (!element)
return;
markStack.addOpaqueRoot(root(element));
}
JSC::JSValue toJS(JSC::ExecState* exec, JSDOMGlobalObject* globalObject, NamedNodeMap* impl)
{
return wrap<JSNamedNodeMap>(exec, globalObject, impl);
}
} // namespace WebCore
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