blob: d9d29f0bc2f569aa5a1e46f57792525181673b0a [file] [log] [blame]
/*
* 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 THIRD_PARTY_BLINK_RENDERER_CORE_HTML_HTML_AREA_ELEMENT_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_HTML_HTML_AREA_ELEMENT_H_
#include <memory>
#include "third_party/blink/public/platform/web_focus_type.h"
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/core/html/html_anchor_element.h"
#include "third_party/blink/renderer/platform/geometry/layout_rect.h"
namespace blink {
class HTMLImageElement;
class Path;
class CORE_EXPORT HTMLAreaElement final : public HTMLAnchorElement {
DEFINE_WRAPPERTYPEINFO();
public:
DECLARE_NODE_FACTORY(HTMLAreaElement);
explicit HTMLAreaElement(Document&);
bool IsDefault() const { return shape_ == kDefault; }
// |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* container_object) const;
LayoutRect ComputeAbsoluteRect(const LayoutObject* container_object) const;
Path GetPath(const LayoutObject* container_object) const;
// The parent map's image.
HTMLImageElement* ImageElement() const;
private:
~HTMLAreaElement() override;
void ParseAttribute(const AttributeModificationParams&) override;
bool IsKeyboardFocusable() const override;
bool IsMouseFocusable() const override;
bool IsFocusableStyle() const override;
void UpdateFocusAppearanceWithOptions(SelectionBehaviorOnFocus,
const FocusOptions*) override;
void SetFocused(bool, WebFocusType) override;
enum Shape { kDefault, kPoly, kRect, kCircle };
void InvalidateCachedPath();
mutable std::unique_ptr<Path> path_;
Vector<double> coords_;
Shape shape_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_HTML_HTML_AREA_ELEMENT_H_