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      1 /*
      2  * Copyright (C) 2009 Google 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 are
      6  * met:
      7  *
      8  *     * Redistributions of source code must retain the above copyright
      9  * notice, this list of conditions and the following disclaimer.
     10  *     * Redistributions in binary form must reproduce the above
     11  * copyright notice, this list of conditions and the following disclaimer
     12  * in the documentation and/or other materials provided with the
     13  * distribution.
     14  *     * Neither the name of Google Inc. nor the names of its
     15  * contributors may be used to endorse or promote products derived from
     16  * this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #ifndef DOMUtilitiesPrivate_h
     32 #define DOMUtilitiesPrivate_h
     33 
     34 namespace WebCore {
     35 class Element;
     36 class HTMLInputElement;
     37 class HTMLLinkElement;
     38 class HTMLMetaElement;
     39 class HTMLOptionElement;
     40 class Node;
     41 class QualifiedName;
     42 class String;
     43 }
     44 
     45 // This file is an aggregate of useful WebCore operations.
     46 namespace WebKit {
     47 
     48 // If node is an HTML node with a tag name of name it is casted and returned.
     49 // If node is not an HTML node or the tag name is not name, 0 is returned.
     50 WebCore::HTMLInputElement* toHTMLInputElement(WebCore::Node*);
     51 WebCore::HTMLLinkElement* toHTMLLinkElement(WebCore::Node*);
     52 WebCore::HTMLMetaElement* toHTMLMetaElement(WebCore::Node*);
     53 WebCore::HTMLOptionElement* toHTMLOptionElement(WebCore::Node*);
     54 
     55 // FIXME: Deprecate. Use WebInputElement::nameForAutofill instead.
     56 WebCore::String nameOfInputElement(WebCore::HTMLInputElement*);
     57 
     58 // For img, script, iframe, frame element, when attribute name is src,
     59 // for link, a, area element, when attribute name is href,
     60 // for form element, when attribute name is action,
     61 // for input, type=image, when attribute name is src,
     62 // for body, table, tr, td, when attribute name is background,
     63 // for blockquote, q, del, ins, when attribute name is cite,
     64 // we can consider the attribute value has legal link.
     65 bool elementHasLegalLinkAttribute(const WebCore::Element* element,
     66                                   const WebCore::QualifiedName& attrName);
     67 
     68 } // namespace WebKit
     69 
     70 #endif
     71