1 /* 2 * Copyright (C) 1999 Lars Knoll (knoll (at) kde.org) 3 * (C) 1999 Antti Koivisto (koivisto (at) 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 #ifndef HTMLAreaElement_h 24 #define HTMLAreaElement_h 25 26 #include "core/html/HTMLAnchorElement.h" 27 #include "platform/geometry/LayoutRect.h" 28 29 namespace blink { 30 31 class HitTestResult; 32 class HTMLImageElement; 33 class Path; 34 35 class HTMLAreaElement FINAL : public HTMLAnchorElement { 36 DEFINE_WRAPPERTYPEINFO(); 37 public: 38 DECLARE_NODE_FACTORY(HTMLAreaElement); 39 40 bool isDefault() const { return m_shape == Default; } 41 42 bool mapMouseEvent(LayoutPoint location, const LayoutSize&, HitTestResult&); 43 44 LayoutRect computeRect(RenderObject*) const; 45 Path computePath(RenderObject*) const; 46 47 // The parent map's image. 48 HTMLImageElement* imageElement() const; 49 50 private: 51 explicit HTMLAreaElement(Document&); 52 53 virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE; 54 virtual bool isKeyboardFocusable() const OVERRIDE; 55 virtual bool isMouseFocusable() const OVERRIDE; 56 virtual bool rendererIsFocusable() const OVERRIDE; 57 virtual void updateFocusAppearance(bool /*restorePreviousSelection*/) OVERRIDE; 58 virtual void setFocus(bool) OVERRIDE; 59 60 enum Shape { Default, Poly, Rect, Circle, Unknown }; 61 Path getRegion(const LayoutSize&) const; 62 void invalidateCachedRegion(); 63 64 OwnPtr<Path> m_region; 65 Vector<Length> m_coords; 66 LayoutSize m_lastSize; 67 Shape m_shape; 68 }; 69 70 } // namespace blink 71 72 #endif // HTMLAreaElement_h 73