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/*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 1999 Antti Koivisto (koivisto@kde.org)
* Copyright (C) 2004, 2008, 2009, 2011 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#ifndef HTMLAreaElement_h
#define HTMLAreaElement_h
#include "core/CoreExport.h"
#include "core/html/HTMLAnchorElement.h"
#include "platform/geometry/LayoutRect.h"
#include <memory>
namespace blink {
class HTMLImageElement;
class Path;
class CORE_EXPORT HTMLAreaElement final : public HTMLAnchorElement {
DEFINE_WRAPPERTYPEINFO();
public:
DECLARE_NODE_FACTORY(HTMLAreaElement);
bool isDefault() const { return m_shape == Default; }
// |containerObject| in the following functions is an object (normally a
// LayoutImage) which references the containing image map of this area. There
// might be multiple objects referencing the same map. For these functions,
// the effective geometry of this map will be calculated based on the
// specified container object, e.g. the rectangle of the default shape will
// be the border box rect of the container object, and effective zoom factor
// of the container object will be applied on non-default shape.
bool pointInArea(const LayoutPoint&,
const LayoutObject* containerObject) const;
LayoutRect computeAbsoluteRect(const LayoutObject* containerObject) const;
Path getPath(const LayoutObject* containerObject) const;
// The parent map's image.
HTMLImageElement* imageElement() const;
private:
explicit HTMLAreaElement(Document&);
~HTMLAreaElement();
void parseAttribute(const AttributeModificationParams&) override;
bool isKeyboardFocusable() const override;
bool isMouseFocusable() const override;
bool layoutObjectIsFocusable() const override;
void updateFocusAppearance(SelectionBehaviorOnFocus) override;
void setFocused(bool) override;
enum Shape { Default, Poly, Rect, Circle };
void invalidateCachedPath();
mutable std::unique_ptr<Path> m_path;
Vector<double> m_coords;
Shape m_shape;
};
} // namespace blink
#endif // HTMLAreaElement_h
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