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
37 using namespace JSC;
38
39 namespace WebCore {
40
41 using namespace HTMLNames;
42
setValue(ExecState * exec,JSValue value)43 void 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
markChildren(MarkStack & markStack)62 void 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