/*

 * Copyright (C) 2009 Google 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:

 *

 *     * Redistributions of source code must retain the above copyright

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

 *     * 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.

 *     * Neither the name of Google Inc. 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT

 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

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

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 */

#ifndef DOMUtilitiesPrivate_h

#define DOMUtilitiesPrivate_h

namespace WebCore {

class Element;

class HTMLInputElement;

class HTMLLinkElement;

class HTMLMetaElement;

class HTMLOptionElement;

class Node;

class QualifiedName;

class String;

}

// This file is an aggregate of useful WebCore operations.

namespace WebKit {

// If node is an HTML node with a tag name of name it is casted and returned.

// If node is not an HTML node or the tag name is not name, 0 is returned.

WebCore::HTMLInputElement* toHTMLInputElement(WebCore::Node*);

WebCore::HTMLLinkElement* toHTMLLinkElement(WebCore::Node*);

WebCore::HTMLMetaElement* toHTMLMetaElement(WebCore::Node*);

WebCore::HTMLOptionElement* toHTMLOptionElement(WebCore::Node*);

// FIXME: Deprecate. Use WebInputElement::nameForAutofill instead.

WebCore::String nameOfInputElement(WebCore::HTMLInputElement*);

// For img, script, iframe, frame element, when attribute name is src,

// for link, a, area element, when attribute name is href,

// for form element, when attribute name is action,

// for input, type=image, when attribute name is src,

// for body, table, tr, td, when attribute name is background,

// for blockquote, q, del, ins, when attribute name is cite,

// we can consider the attribute value has legal link.

bool elementHasLegalLinkAttribute(const WebCore::Element* element,

                                  const WebCore::QualifiedName& attrName);

} // namespace WebKit

#endif