1/*
2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
3 *           (C) 1999 Antti Koivisto (koivisto@kde.org)
4 * Copyright (C) 2004, 2008, 2009 Apple Inc. All rights reserved.
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Library General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14 * Library General Public License for more details.
15 *
16 * You should have received a copy of the GNU Library General Public License
17 * along with this library; see the file COPYING.LIB.  If not, write to
18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19 * Boston, MA 02110-1301, USA.
20 *
21 */
22
23#ifndef HTMLAreaElement_h
24#define HTMLAreaElement_h
25
26#include "HTMLAnchorElement.h"
27#include "IntSize.h"
28#include <wtf/OwnArrayPtr.h>
29
30namespace WebCore {
31
32class HitTestResult;
33class HTMLImageElement;
34class Path;
35
36class HTMLAreaElement : public HTMLAnchorElement {
37public:
38    static PassRefPtr<HTMLAreaElement> create(const QualifiedName&, Document*);
39
40    bool isDefault() const { return m_shape == Default; }
41
42    bool mapMouseEvent(int x, int y, const IntSize&, HitTestResult&);
43
44    IntRect getRect(RenderObject*) const;
45    Path getPath(RenderObject*) const;
46
47    // Convenience method to get the parent map's image.
48    HTMLImageElement* imageElement() const;
49
50    KURL href() const;
51
52    bool noHref() const;
53    void setNoHref(bool);
54
55private:
56    HTMLAreaElement(const QualifiedName&, Document*);
57
58    virtual HTMLTagStatus endTagRequirement() const { return TagStatusForbidden; }
59    virtual int tagPriority() const { return 0; }
60    virtual void parseMappedAttribute(MappedAttribute*);
61    virtual bool supportsFocus() const;
62    virtual String target() const;
63    virtual bool isKeyboardFocusable(KeyboardEvent*) const;
64    virtual bool isFocusable() const;
65    virtual void updateFocusAppearance(bool /*restorePreviousSelection*/);
66    virtual void dispatchBlurEvent();
67
68    enum Shape { Default, Poly, Rect, Circle, Unknown };
69    Path getRegion(const IntSize&) const;
70
71    OwnPtr<Path> m_region;
72    OwnArrayPtr<Length> m_coords;
73    int m_coordsLen;
74    IntSize m_lastSize;
75    Shape m_shape;
76};
77
78} //namespace
79
80#endif
81