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
30#include "config.h"
31#include "JSElement.h"
32
33#include "CSSHelper.h"
34#include "Document.h"
35#include "ExceptionCode.h"
36#include "HTMLFrameElementBase.h"
37#include "HTMLNames.h"
38#include "JSAttr.h"
39#include "JSHTMLElementWrapperFactory.h"
40#include "JSNodeList.h"
41#include "NodeList.h"
42
43#if ENABLE(SVG)
44#include "JSSVGElementWrapperFactory.h"
45#include "SVGElement.h"
46#endif
47
48using namespace JSC;
49
50namespace WebCore {
51
52using namespace HTMLNames;
53
54void JSElement::markChildren(MarkStack& markStack)
55{
56    Base::markChildren(markStack);
57
58    Element* element = impl();
59    JSGlobalData& globalData = *Heap::heap(this)->globalData();
60
61    markDOMObjectWrapper(markStack, globalData, element->attributeMap());
62    if (element->isStyledElement())
63        markDOMObjectWrapper(markStack, globalData, static_cast<StyledElement*>(element)->inlineStyleDecl());
64}
65
66static inline bool allowSettingSrcToJavascriptURL(ExecState* exec, Element* element, const String& name, const String& value)
67{
68    if ((element->hasTagName(iframeTag) || element->hasTagName(frameTag)) && equalIgnoringCase(name, "src") && protocolIsJavaScript(deprecatedParseURL(value))) {
69        Document* contentDocument = static_cast<HTMLFrameElementBase*>(element)->contentDocument();
70        if (contentDocument && !checkNodeSecurity(exec, contentDocument))
71            return false;
72    }
73    return true;
74}
75
76JSValue JSElement::setAttribute(ExecState* exec, const ArgList& args)
77{
78    ExceptionCode ec = 0;
79    AtomicString name = args.at(0).toString(exec);
80    AtomicString value = args.at(1).toString(exec);
81
82    Element* imp = impl();
83    if (!allowSettingSrcToJavascriptURL(exec, imp, name, value))
84        return jsUndefined();
85
86    imp->setAttribute(name, value, ec);
87    setDOMException(exec, ec);
88    return jsUndefined();
89}
90
91JSValue JSElement::setAttributeNode(ExecState* exec, const ArgList& args)
92{
93    ExceptionCode ec = 0;
94    Attr* newAttr = toAttr(args.at(0));
95    if (!newAttr) {
96        setDOMException(exec, TYPE_MISMATCH_ERR);
97        return jsUndefined();
98    }
99
100    Element* imp = impl();
101    if (!allowSettingSrcToJavascriptURL(exec, imp, newAttr->name(), newAttr->value()))
102        return jsUndefined();
103
104    JSValue result = toJS(exec, globalObject(), WTF::getPtr(imp->setAttributeNode(newAttr, ec)));
105    setDOMException(exec, ec);
106    return result;
107}
108
109JSValue JSElement::setAttributeNS(ExecState* exec, const ArgList& args)
110{
111    ExceptionCode ec = 0;
112    AtomicString namespaceURI = valueToStringWithNullCheck(exec, args.at(0));
113    AtomicString qualifiedName = args.at(1).toString(exec);
114    AtomicString value = args.at(2).toString(exec);
115
116    Element* imp = impl();
117    if (!allowSettingSrcToJavascriptURL(exec, imp, qualifiedName, value))
118        return jsUndefined();
119
120    imp->setAttributeNS(namespaceURI, qualifiedName, value, ec);
121    setDOMException(exec, ec);
122    return jsUndefined();
123}
124
125JSValue JSElement::setAttributeNodeNS(ExecState* exec, const ArgList& args)
126{
127    ExceptionCode ec = 0;
128    Attr* newAttr = toAttr(args.at(0));
129    if (!newAttr) {
130        setDOMException(exec, TYPE_MISMATCH_ERR);
131        return jsUndefined();
132    }
133
134    Element* imp = impl();
135    if (!allowSettingSrcToJavascriptURL(exec, imp, newAttr->name(), newAttr->value()))
136        return jsUndefined();
137
138    JSValue result = toJS(exec, globalObject(), WTF::getPtr(imp->setAttributeNodeNS(newAttr, ec)));
139    setDOMException(exec, ec);
140    return result;
141}
142
143JSValue toJSNewlyCreated(ExecState* exec, JSDOMGlobalObject* globalObject, Element* element)
144{
145    if (!element)
146        return jsNull();
147
148    ASSERT(!getCachedDOMNodeWrapper(exec, element->document(), element));
149
150    JSNode* wrapper;
151    if (element->isHTMLElement())
152        wrapper = createJSHTMLWrapper(exec, globalObject, static_cast<HTMLElement*>(element));
153#if ENABLE(SVG)
154    else if (element->isSVGElement())
155        wrapper = createJSSVGWrapper(exec, globalObject, static_cast<SVGElement*>(element));
156#endif
157    else
158        wrapper = CREATE_DOM_NODE_WRAPPER(exec, globalObject, Element, element);
159
160    return wrapper;
161}
162
163} // namespace WebCore
164