/platform/external/webkit/WebCore/bindings/js/JSHTMLElementCustom.cpp

 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
32namespace WebCore {
33
34using namespace JSC;
35
36void JSHTMLElement::pushEventHandlerScope(ExecState* exec, ScopeChain& 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.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.push(asObject(toJS(exec, globalObject(), form)));
46
47    // The element is on top, searched first.
48    scope.push(asObject(toJS(exec, globalObject(), element)));
49}
50
51} // namespace WebCore