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 WebNodeCollection_h
32#define WebNodeCollection_h
33
34#include "WebCommon.h"
35
36namespace WebCore { class HTMLCollection; }
37#if WEBKIT_IMPLEMENTATION
38namespace WTF { template <typename T> class PassRefPtr; }
39#endif
40
41namespace WebKit {
42class WebNode;
43
44// Provides readonly access to some properties of a DOM node.
45class WebNodeCollection {
46public:
47    ~WebNodeCollection() { reset(); }
48
49    WebNodeCollection() : m_private(0) { }
50    WebNodeCollection(const WebNodeCollection& n) : m_private(0) { assign(n); }
51    WebNodeCollection& operator=(const WebNodeCollection& n)
52    {
53        assign(n);
54        return *this;
55    }
56
57    WEBKIT_API void reset();
58    WEBKIT_API void assign(const WebNodeCollection&);
59
60    WEBKIT_API unsigned length() const;
61    WEBKIT_API WebNode nextItem() const;
62    WEBKIT_API WebNode firstItem() const;
63
64#if WEBKIT_IMPLEMENTATION
65    WebNodeCollection(const WTF::PassRefPtr<WebCore::HTMLCollection>&);
66#endif
67
68private:
69    void assign(WebCore::HTMLCollection*);
70    WebCore::HTMLCollection* m_private;
71};
72
73} // namespace WebKit
74
75#endif
76