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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 "JSStyleSheet.h"
#include "CSSStyleSheet.h"
#include "Node.h"
#include "JSCSSStyleSheet.h"
#include "JSNode.h"
using namespace JSC;
namespace WebCore {
JSValue toJS(ExecState* exec, JSDOMGlobalObject* globalObject, StyleSheet* styleSheet)
{
if (!styleSheet)
return jsNull();
DOMObject* wrapper = getCachedDOMObjectWrapper(exec->globalData(), styleSheet);
if (wrapper)
return wrapper;
if (styleSheet->isCSSStyleSheet())
wrapper = CREATE_DOM_OBJECT_WRAPPER(exec, globalObject, CSSStyleSheet, styleSheet);
else
wrapper = CREATE_DOM_OBJECT_WRAPPER(exec, globalObject, StyleSheet, styleSheet);
return wrapper;
}
void JSStyleSheet::markChildren(MarkStack& markStack)
{
Base::markChildren(markStack);
// This prevents us from having a style sheet with a dangling ownerNode pointer.
// A better solution would be to handle this on the DOM side -- if the style sheet
// is kept around, then we want the node to stay around too. One possibility would
// be to make ref/deref on the style sheet ref/deref the node instead, but there's
// a lot of disentangling of the CSS DOM objects that would need to happen first.
if (Node* ownerNode = impl()->ownerNode()) {
if (JSNode* ownerNodeWrapper = getCachedDOMNodeWrapper(ownerNode->document(), ownerNode))
markStack.append(ownerNodeWrapper);
}
}
} // namespace WebCore
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