2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
3 * (C) 1999 Antti Koivisto (koivisto@kde.org)
4 * (C) 2000 Simon Hausmann <hausmann@kde.org>
5 * Copyright (C) 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
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.
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.
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.
24 #ifndef HTMLAnchorElement_h
25 #define HTMLAnchorElement_h
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"
35 // Link relation bitmask values.
36 // FIXME: Uncomment as the various link relations are implemented.
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,
58 class HTMLAnchorElement : public HTMLElement, public DOMURLUtils {
59 DEFINE_WRAPPERTYPEINFO();
61 static PassRefPtrWillBeRawPtr<HTMLAnchorElement> create(Document&);
63 virtual ~HTMLAnchorElement();
66 void setHref(const AtomicString&);
68 const AtomicString& name() const;
70 virtual KURL url() const OVERRIDE FINAL;
71 virtual void setURL(const KURL&) OVERRIDE FINAL;
73 virtual String input() const OVERRIDE FINAL;
74 virtual void setInput(const String&) OVERRIDE FINAL;
76 virtual bool isLiveLink() const OVERRIDE FINAL;
78 virtual bool willRespondToMouseClickEvents() OVERRIDE FINAL;
80 bool hasRel(uint32_t relation) const;
81 void setRel(const AtomicString&);
83 LinkHash visitedLinkHash() const;
84 void invalidateCachedVisitedLinkHash() { m_cachedVisitedLinkHash = 0; }
86 void sendPings(const KURL& destinationURL) const;
89 HTMLAnchorElement(const QualifiedName&, Document&);
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;
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*);
112 uint32_t m_linkRelations;
113 mutable LinkHash m_cachedVisitedLinkHash;
114 bool m_wasFocusedByMouse;
117 inline LinkHash HTMLAnchorElement::visitedLinkHash() const
119 if (!m_cachedVisitedLinkHash)
120 m_cachedVisitedLinkHash = blink::visitedLinkHash(document().baseURL(), fastGetAttribute(HTMLNames::hrefAttr));
121 return m_cachedVisitedLinkHash;
124 // Functions shared with the other anchor elements (i.e., SVG).
126 bool isEnterKeyKeydownEvent(Event*);
127 bool isLinkClick(Event*);
131 #endif // HTMLAnchorElement_h