1 /* 2 * Copyright (C) 1999 Lars Knoll (knoll (at) kde.org) 3 * (C) 1999 Antti Koivisto (koivisto (at) kde.org) 4 * (C) 2000 Simon Hausmann <hausmann (at) kde.org> 5 * Copyright (C) 2007, 2008, 2009, 2010 Apple Inc. All rights reserved. 6 * 7 * This library is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU Library General Public 9 * License as published by the Free Software Foundation; either 10 * version 2 of the License, or (at your option) any later version. 11 * 12 * This library is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Library General Public License for more details. 16 * 17 * You should have received a copy of the GNU Library General Public License 18 * along with this library; see the file COPYING.LIB. If not, write to 19 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 20 * Boston, MA 02110-1301, USA. 21 * 22 */ 23 24 #ifndef HTMLAnchorElement_h 25 #define HTMLAnchorElement_h 26 27 #include "core/HTMLNames.h" 28 #include "core/dom/DOMURLUtils.h" 29 #include "core/dom/Document.h" 30 #include "core/html/HTMLElement.h" 31 #include "platform/LinkHash.h" 32 33 namespace blink { 34 35 // Link relation bitmask values. 36 // FIXME: Uncomment as the various link relations are implemented. 37 enum { 38 // RelationAlternate = 0x00000001, 39 // RelationArchives = 0x00000002, 40 // RelationAuthor = 0x00000004, 41 // RelationBoomark = 0x00000008, 42 // RelationExternal = 0x00000010, 43 // RelationFirst = 0x00000020, 44 // RelationHelp = 0x00000040, 45 // RelationIndex = 0x00000080, 46 // RelationLast = 0x00000100, 47 // RelationLicense = 0x00000200, 48 // RelationNext = 0x00000400, 49 // RelationNoFolow = 0x00000800, 50 RelationNoReferrer = 0x00001000, 51 // RelationPrev = 0x00002000, 52 // RelationSearch = 0x00004000, 53 // RelationSidebar = 0x00008000, 54 // RelationTag = 0x00010000, 55 // RelationUp = 0x00020000, 56 }; 57 58 class HTMLAnchorElement : public HTMLElement, public DOMURLUtils { 59 DEFINE_WRAPPERTYPEINFO(); 60 public: 61 static PassRefPtrWillBeRawPtr<HTMLAnchorElement> create(Document&); 62 63 virtual ~HTMLAnchorElement(); 64 65 KURL href() const; 66 void setHref(const AtomicString&); 67 68 const AtomicString& name() const; 69 70 virtual KURL url() const OVERRIDE FINAL; 71 virtual void setURL(const KURL&) OVERRIDE FINAL; 72 73 virtual String input() const OVERRIDE FINAL; 74 virtual void setInput(const String&) OVERRIDE FINAL; 75 76 virtual bool isLiveLink() const OVERRIDE FINAL; 77 78 virtual bool willRespondToMouseClickEvents() OVERRIDE FINAL; 79 80 bool hasRel(uint32_t relation) const; 81 void setRel(const AtomicString&); 82 83 LinkHash visitedLinkHash() const; 84 void invalidateCachedVisitedLinkHash() { m_cachedVisitedLinkHash = 0; } 85 86 void sendPings(const KURL& destinationURL) const; 87 88 protected: 89 HTMLAnchorElement(const QualifiedName&, Document&); 90 91 virtual void attributeWillChange(const QualifiedName&, const AtomicString& oldValue, const AtomicString& newValue) OVERRIDE; 92 virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE; 93 virtual bool supportsFocus() const OVERRIDE; 94 95 private: 96 virtual bool shouldHaveFocusAppearance() const OVERRIDE FINAL; 97 virtual void dispatchFocusEvent(Element* oldFocusedElement, FocusType) OVERRIDE; 98 virtual bool isMouseFocusable() const OVERRIDE; 99 virtual bool isKeyboardFocusable() const OVERRIDE; 100 virtual void defaultEventHandler(Event*) OVERRIDE FINAL; 101 virtual void setActive(bool = true) OVERRIDE FINAL; 102 virtual void accessKeyAction(bool sendMouseEvents) OVERRIDE FINAL; 103 virtual bool isURLAttribute(const Attribute&) const OVERRIDE FINAL; 104 virtual bool hasLegalLinkAttribute(const QualifiedName&) const OVERRIDE FINAL; 105 virtual bool canStartSelection() const OVERRIDE FINAL; 106 virtual short tabIndex() const OVERRIDE FINAL; 107 virtual bool draggable() const OVERRIDE FINAL; 108 virtual bool isInteractiveContent() const OVERRIDE FINAL; 109 virtual InsertionNotificationRequest insertedInto(ContainerNode*) OVERRIDE; 110 void handleClick(Event*); 111 112 uint32_t m_linkRelations; 113 mutable LinkHash m_cachedVisitedLinkHash; 114 bool m_wasFocusedByMouse; 115 }; 116 117 inline LinkHash HTMLAnchorElement::visitedLinkHash() const 118 { 119 if (!m_cachedVisitedLinkHash) 120 m_cachedVisitedLinkHash = blink::visitedLinkHash(document().baseURL(), fastGetAttribute(HTMLNames::hrefAttr)); 121 return m_cachedVisitedLinkHash; 122 } 123 124 // Functions shared with the other anchor elements (i.e., SVG). 125 126 bool isEnterKeyKeydownEvent(Event*); 127 bool isLinkClick(Event*); 128 129 } // namespace blink 130 131 #endif // HTMLAnchorElement_h 132
