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/*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 1999 Antti Koivisto (koivisto@kde.org)
* (C) 2000 Simon Hausmann <hausmann@kde.org>
* Copyright (C) 2007, 2008, 2009, 2010 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 HTMLAnchorElement_h
#define HTMLAnchorElement_h
#include "HTMLElement.h"
#include "HTMLNames.h"
#include "LinkHash.h"
namespace WebCore {
// Link relation bitmask values.
// FIXME: Uncomment as the various link relations are implemented.
enum {
// RelationAlternate = 0x00000001,
// RelationArchives = 0x00000002,
// RelationAuthor = 0x00000004,
// RelationBoomark = 0x00000008,
// RelationExternal = 0x00000010,
// RelationFirst = 0x00000020,
// RelationHelp = 0x00000040,
// RelationIndex = 0x00000080,
// RelationLast = 0x00000100,
// RelationLicense = 0x00000200,
// RelationNext = 0x00000400,
// RelationNoFolow = 0x00000800,
RelationNoReferrer = 0x00001000,
// RelationPrev = 0x00002000,
// RelationSearch = 0x00004000,
// RelationSidebar = 0x00008000,
// RelationTag = 0x00010000,
// RelationUp = 0x00020000,
};
class HTMLAnchorElement : public HTMLElement {
public:
static PassRefPtr<HTMLAnchorElement> create(Document*);
static PassRefPtr<HTMLAnchorElement> create(const QualifiedName&, Document*);
virtual ~HTMLAnchorElement();
KURL href() const;
void setHref(const AtomicString&);
const AtomicString& name() const;
String hash() const;
void setHash(const String&);
String host() const;
void setHost(const String&);
String hostname() const;
void setHostname(const String&);
String pathname() const;
void setPathname(const String&);
String port() const;
void setPort(const String&);
String protocol() const;
void setProtocol(const String&);
String search() const;
void setSearch(const String&);
String origin() const;
String text();
String toString() const;
bool isLiveLink() const;
virtual bool willRespondToMouseClickEvents() OVERRIDE;
bool hasRel(uint32_t relation) const;
void setRel(const String&);
LinkHash visitedLinkHash() const;
void invalidateCachedVisitedLinkHash() { m_cachedVisitedLinkHash = 0; }
protected:
HTMLAnchorElement(const QualifiedName&, Document*);
virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE;
private:
virtual bool supportsFocus() const OVERRIDE;
virtual bool isMouseFocusable() const OVERRIDE;
virtual bool isKeyboardFocusable(KeyboardEvent*) const OVERRIDE;
virtual void defaultEventHandler(Event*);
virtual void setActive(bool active = true, bool pause = false) OVERRIDE FINAL;
virtual void accessKeyAction(bool sendMouseEvents);
virtual bool isURLAttribute(const Attribute&) const OVERRIDE;
virtual bool canStartSelection() const;
virtual String target() const;
virtual short tabIndex() const OVERRIDE FINAL;
virtual bool draggable() const;
void sendPings(const KURL& destinationURL);
void handleClick(Event*);
enum EventType {
MouseEventWithoutShiftKey,
MouseEventWithShiftKey,
NonMouseEvent,
};
static EventType eventType(Event*);
bool treatLinkAsLiveForEventType(EventType) const;
#if ENABLE(MICRODATA)
virtual String itemValueText() const OVERRIDE;
virtual void setItemValueText(const String&, ExceptionCode&) OVERRIDE;
#endif
Element* rootEditableElementForSelectionOnMouseDown() const;
void setRootEditableElementForSelectionOnMouseDown(Element*);
void clearRootEditableElementForSelectionOnMouseDown();
bool m_hasRootEditableElementForSelectionOnMouseDown : 1;
bool m_wasShiftKeyDownOnMouseDown : 1;
uint32_t m_linkRelations : 30;
mutable LinkHash m_cachedVisitedLinkHash;
};
inline LinkHash HTMLAnchorElement::visitedLinkHash() const
{
if (!m_cachedVisitedLinkHash)
m_cachedVisitedLinkHash = WebCore::visitedLinkHash(document()->baseURL(), fastGetAttribute(HTMLNames::hrefAttr));
return m_cachedVisitedLinkHash;
}
inline bool isHTMLAnchorElement(Node* node)
{
return node->hasTagName(HTMLNames::aTag);
}
inline bool isHTMLAnchorElement(Element* element)
{
return element->hasTagName(HTMLNames::aTag);
}
inline HTMLAnchorElement* toHTMLAnchorElement(Node* node)
{
ASSERT_WITH_SECURITY_IMPLICATION(!node || isHTMLAnchorElement(node));
return static_cast<HTMLAnchorElement*>(node);
}
// Functions shared with the other anchor elements (i.e., SVG).
bool isEnterKeyKeydownEvent(Event*);
bool isLinkClick(Event*);
bool shouldProhibitLinks(Element*);
} // namespace WebCore
#endif // HTMLAnchorElement_h
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