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
34namespace WebCore {
35class Element;
36class HTMLInputElement;
37class HTMLLinkElement;
38class HTMLMetaElement;
39class HTMLOptionElement;
40class Node;
41class QualifiedName;
42}
43
44// This file is an aggregate of useful WebCore operations.
45namespace WebKit {
46
47// If node is an HTML node with a tag name of name it is casted and returned.
48// If node is not an HTML node or the tag name is not name, 0 is returned.
49WebCore::HTMLInputElement* toHTMLInputElement(WebCore::Node*);
50WebCore::HTMLLinkElement* toHTMLLinkElement(WebCore::Node*);
51WebCore::HTMLMetaElement* toHTMLMetaElement(WebCore::Node*);
52WebCore::HTMLOptionElement* toHTMLOptionElement(WebCore::Node*);
53
54// For img, script, iframe, frame element, when attribute name is src,
55// for link, a, area element, when attribute name is href,
56// for form element, when attribute name is action,
57// for input, type=image, when attribute name is src,
58// for body, table, tr, td, when attribute name is background,
59// for blockquote, q, del, ins, when attribute name is cite,
60// we can consider the attribute value has legal link.
61bool elementHasLegalLinkAttribute(const WebCore::Element* element,
62                                  const WebCore::QualifiedName& attrName);
63
64} // namespace WebKit
65
66#endif
67