1/*
2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
3 * (C) 1999 Antti Koivisto (koivisto@kde.org)
4 * Copyright (C) 2004, 2008, 2009, 2011 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#pragma once
24
25#include "HTMLAnchorElement.h"
26#include "LayoutRect.h"
27#include <memory>
28
29namespace WebCore {
30
31class HTMLImageElement;
32class HitTestResult;
33class Path;
34
35class HTMLAreaElement final : public HTMLAnchorElement {
36 WTF_MAKE_ISO_ALLOCATED(HTMLAreaElement);
37public:
38 static Ref<HTMLAreaElement> create(const QualifiedName&, Document&);
39
40 bool isDefault() const { return m_shape == Default; }
41
42 bool mapMouseEvent(LayoutPoint location, const LayoutSize&, HitTestResult&);
43
44 // FIXME: Use RenderElement& instead of RenderObject*.
45 WEBCORE_EXPORT LayoutRect computeRect(RenderObject*) const;
46 Path computePath(RenderObject*) const;
47 Path computePathForFocusRing(const LayoutSize& elementSize) const;
48
49 // The parent map's image.
50 WEBCORE_EXPORT HTMLImageElement* imageElement() const;
51
52private:
53 HTMLAreaElement(const QualifiedName&, Document&);
54
55 void parseAttribute(const QualifiedName&, const AtomicString&) final;
56 bool supportsFocus() const final;
57 String target() const final;
58 bool isKeyboardFocusable(KeyboardEvent*) const final;
59 bool isMouseFocusable() const final;
60 bool isFocusable() const final;
61 RefPtr<Element> focusAppearanceUpdateTarget() final;
62 void setFocus(bool) final;
63
64 enum Shape { Default, Poly, Rect, Circle, Unknown };
65 Path getRegion(const LayoutSize&) const;
66 void invalidateCachedRegion();
67
68 std::unique_ptr<Path> m_region;
69 Vector<double> m_coords;
70 LayoutSize m_lastSize;
71 Shape m_shape;
72};
73
74} //namespace
75