1/*
2 * Copyright (C) 2007, 2008, 2009 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 *
8 * 1.  Redistributions of source code must retain the above copyright
9 *     notice, this list of conditions and the following disclaimer.
10 * 2.  Redistributions in binary form must reproduce the above copyright
11 *     notice, this list of conditions and the following disclaimer in the
12 *     documentation and/or other materials provided with the distribution.
13 * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
14 *     its contributors may be used to endorse or promote products derived
15 *     from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#include "config.h"
30#include "JSAttr.h"
31
32#include "CSSHelper.h"
33#include "Document.h"
34#include "HTMLFrameElementBase.h"
35#include "HTMLNames.h"
36
37using namespace JSC;
38
39namespace WebCore {
40
41using namespace HTMLNames;
42
43void JSAttr::setValue(ExecState* exec, JSValue value)
44{
45    Attr* imp = static_cast<Attr*>(impl());
46    String attrValue = valueToStringWithNullCheck(exec, value);
47
48    Element* ownerElement = imp->ownerElement();
49    if (ownerElement && (ownerElement->hasTagName(iframeTag) || ownerElement->hasTagName(frameTag))) {
50        if (equalIgnoringCase(imp->name(), "src") && protocolIsJavaScript(deprecatedParseURL(attrValue))) {
51            Document* contentDocument = static_cast<HTMLFrameElementBase*>(ownerElement)->contentDocument();
52            if (contentDocument && !checkNodeSecurity(exec, contentDocument))
53                return;
54        }
55    }
56
57    ExceptionCode ec = 0;
58    imp->setValue(attrValue, ec);
59    setDOMException(exec, ec);
60}
61
62void JSAttr::markChildren(MarkStack& markStack)
63{
64    Base::markChildren(markStack);
65
66    // Mark the element so that this will work to access the attribute even if the last
67    // other reference goes away.
68    if (Element* element = impl()->ownerElement())
69        markDOMNodeWrapper(markStack, element->document(), element);
70}
71
72} // namespace WebCore
73