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      1 /*
      2  * Copyright (C) 2007 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 COMPUTER, 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 COMPUTER, 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 "JSHTMLElement.h"
     28 
     29 #include "Document.h"
     30 #include "HTMLFormElement.h"
     31 
     32 namespace WebCore {
     33 
     34 using namespace JSC;
     35 
     36 ScopeChainNode* JSHTMLElement::pushEventHandlerScope(ExecState* exec, ScopeChainNode* scope) const
     37 {
     38     HTMLElement* element = impl();
     39 
     40     // The document is put on first, fall back to searching it only after the element and form.
     41     scope = scope->push(asObject(toJS(exec, globalObject(), element->ownerDocument())));
     42 
     43     // The form is next, searched before the document, but after the element itself.
     44     if (HTMLFormElement* form = element->form())
     45         scope = scope->push(asObject(toJS(exec, globalObject(), form)));
     46 
     47     // The element is on top, searched first.
     48     return scope->push(asObject(toJS(exec, globalObject(), element)));
     49 }
     50 
     51 } // namespace WebCore
     52