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/*
* Copyright (C) 2007, 2009, 2010 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.
*/
#ifndef JSNodeCustom_h
#define JSNodeCustom_h
#include "JSDOMBinding.h"
#include <wtf/AlwaysInline.h>
namespace WebCore {
class JSNodeOwner : public JSC::WeakHandleOwner {
virtual bool isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown>, void* context, JSC::MarkStack&);
virtual void finalize(JSC::Handle<JSC::Unknown>, void* context);
};
inline JSC::WeakHandleOwner* wrapperOwner(DOMWrapperWorld*, Node*)
{
DEFINE_STATIC_LOCAL(JSNodeOwner, jsNodeOwner, ());
return &jsNodeOwner;
}
inline void* wrapperContext(DOMWrapperWorld* world, Node*)
{
return world;
}
inline JSDOMWrapper* getInlineCachedWrapper(DOMWrapperWorld* world, Node* node)
{
if (!world->isNormal())
return 0;
return node->wrapper();
}
inline bool setInlineCachedWrapper(DOMWrapperWorld* world, Node* node, JSDOMWrapper* wrapper)
{
if (!world->isNormal())
return false;
ASSERT(!node->wrapper());
node->setWrapper(*world->globalData(), wrapper, wrapperOwner(world, node), wrapperContext(world, node));
return true;
}
inline bool clearInlineCachedWrapper(DOMWrapperWorld* world, Node* node, JSDOMWrapper* wrapper)
{
if (!world->isNormal())
return false;
ASSERT_UNUSED(wrapper, node->wrapper() == wrapper);
node->clearWrapper();
return true;
}
JSC::JSValue createWrapper(JSC::ExecState*, JSDOMGlobalObject*, Node*);
inline JSC::JSValue toJS(JSC::ExecState* exec, JSDOMGlobalObject* globalObject, Node* node)
{
if (!node)
return JSC::jsNull();
JSNode* wrapper = static_cast<JSNode*>(getCachedWrapper(currentWorld(exec), node));
if (wrapper)
return wrapper;
return createWrapper(exec, globalObject, node);
}
static inline Node* root(Node* node)
{
if (node->inDocument())
return node->document();
while (node->parentNode())
node = node->parentNode();
return node;
}
}
#endif // JSDOMNodeCustom_h
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