/*

 * Copyright (C) 2007 Apple Inc. All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 *

 * 1.  Redistributions of source code must retain the above copyright

 *     notice, this list of conditions and the following disclaimer. 

 * 2.  Redistributions in binary form must reproduce the above copyright

 *     notice, this list of conditions and the following disclaimer in the

 *     documentation and/or other materials provided with the distribution. 

 * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of

 *     its contributors may be used to endorse or promote products derived

 *     from this software without specific prior written permission. 

 *

 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY

 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY

 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES

 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;

 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND

 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF

 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 */

#include "config.h"

#include "JSElement.h"

#include "Attr.h"

#include "Document.h"

#include "Element.h"

#include "ExceptionCode.h"

#include "HTMLFrameElementBase.h"

#include "HTMLNames.h"

#include "PlatformString.h"

#include "kjs_binding.h"

#include "kjs_dom.h"

namespace WebCore {

using namespace HTMLNames;

static inline bool allowSettingSrcToJavascriptURL(KJS::ExecState* exec, Element* element, String name, String value)

{

    if ((element->hasTagName(iframeTag) || element->hasTagName(frameTag)) && equalIgnoringCase(name, "src") && value.startsWith("javascript:", false)) {

        HTMLFrameElementBase* frame = static_cast<HTMLFrameElementBase*>(element);

        if (!checkNodeSecurity(exec, frame->contentDocument()))

            return false;

    }

    return true;

} 

KJS::JSValue* JSElement::setAttribute(KJS::ExecState* exec, const KJS::List& args)

{

    ExceptionCode ec = 0;

    String name = args[0]->toString(exec);

    String value = args[1]->toString(exec);

    Element* imp = impl();

    if (!allowSettingSrcToJavascriptURL(exec, imp, name, value))

        return KJS::jsUndefined();

    imp->setAttribute(name, value, ec);

    KJS::setDOMException(exec, ec);

    return KJS::jsUndefined();

}

KJS::JSValue* JSElement::setAttributeNode(KJS::ExecState* exec, const KJS::List& args)

{

    ExceptionCode ec = 0;

    bool newAttrOk;

    Attr* newAttr = toAttr(args[0], newAttrOk);

    if (!newAttrOk) {

        setDOMException(exec, TYPE_MISMATCH_ERR);

        return KJS::jsUndefined();

    }

    Element* imp = impl();

    if (!allowSettingSrcToJavascriptURL(exec, imp, newAttr->name(), newAttr->value()))

        return KJS::jsUndefined();

    KJS::JSValue* result = toJS(exec, WTF::getPtr(imp->setAttributeNode(newAttr, ec)));

    KJS::setDOMException(exec, ec);

    return result;

}

KJS::JSValue* JSElement::setAttributeNS(KJS::ExecState* exec, const KJS::List& args)

{

    ExceptionCode ec = 0;

    String namespaceURI = valueToStringWithNullCheck(exec, args[0]);

    String qualifiedName = args[1]->toString(exec);

    String value = args[2]->toString(exec);

    Element* imp = impl();

    if (!allowSettingSrcToJavascriptURL(exec, imp, qualifiedName, value))

        return KJS::jsUndefined();

    imp->setAttributeNS(namespaceURI, qualifiedName, value, ec);

    KJS::setDOMException(exec, ec);

    return KJS::jsUndefined();

}

KJS::JSValue* JSElement::setAttributeNodeNS(KJS::ExecState* exec, const KJS::List& args)

{

    ExceptionCode ec = 0;

    bool newAttrOk;

    Attr* newAttr = toAttr(args[0], newAttrOk);

    if (!newAttrOk) {

        KJS::setDOMException(exec, TYPE_MISMATCH_ERR);

        return KJS::jsUndefined();

    }

    Element* imp = impl();

    if (!allowSettingSrcToJavascriptURL(exec, imp, newAttr->name(), newAttr->value()))

        return KJS::jsUndefined();

    KJS::JSValue* result = toJS(exec, WTF::getPtr(imp->setAttributeNodeNS(newAttr, ec)));

    KJS::setDOMException(exec, ec);

    return result;

}

} // namespace WebCore