| /* |
| * 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 |