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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 "core/CoreExport.h"
#include "core/HTMLNames.h"
#include "core/dom/DOMURLUtils.h"
#include "core/dom/Document.h"
#include "core/html/HTMLElement.h"
#include "platform/LinkHash.h"
namespace blink {
// 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,
RelationNoOpener = 0x00040000,
};
class CORE_EXPORT HTMLAnchorElement : public HTMLElement, public DOMURLUtils {
DEFINE_WRAPPERTYPEINFO();
public:
static HTMLAnchorElement* create(Document&);
~HTMLAnchorElement() override;
KURL href() const;
void setHref(const AtomicString&);
const AtomicString& name() const;
KURL url() const final;
void setURL(const KURL&) final;
String input() const final;
void setInput(const String&) final;
bool isLiveLink() const final;
bool willRespondToMouseClickEvents() final;
bool hasRel(uint32_t relation) const;
void setRel(const AtomicString&);
LinkHash visitedLinkHash() const;
void invalidateCachedVisitedLinkHash() { m_cachedVisitedLinkHash = 0; }
void sendPings(const KURL& destinationURL) const;
DECLARE_VIRTUAL_TRACE();
protected:
HTMLAnchorElement(const QualifiedName&, Document&);
void parseAttribute(const AttributeModificationParams&) override;
bool supportsFocus() const override;
bool matchesEnabledPseudoClass() const override;
private:
class NavigationHintSender;
void attributeChanged(const AttributeModificationParams&) override;
bool shouldHaveFocusAppearance() const final;
void dispatchFocusEvent(Element* oldFocusedElement,
WebFocusType,
InputDeviceCapabilities* sourceCapabilities) override;
void dispatchBlurEvent(Element* newFocusedElement,
WebFocusType,
InputDeviceCapabilities* sourceCapabilities) override;
bool isMouseFocusable() const override;
bool isKeyboardFocusable() const override;
void defaultEventHandler(Event*) final;
void setActive(bool = true) final;
void accessKeyAction(bool sendMouseEvents) final;
bool isURLAttribute(const Attribute&) const final;
bool hasLegalLinkAttribute(const QualifiedName&) const final;
bool canStartSelection() const final;
int tabIndex() const final;
bool draggable() const final;
bool isInteractiveContent() const final;
InsertionNotificationRequest insertedInto(ContainerNode*) override;
void handleClick(Event*);
NavigationHintSender* ensureNavigationHintSender();
uint32_t m_linkRelations;
mutable LinkHash m_cachedVisitedLinkHash;
bool m_wasFocusedByMouse;
Member<NavigationHintSender> m_navigationHintSender;
};
inline LinkHash HTMLAnchorElement::visitedLinkHash() const {
if (!m_cachedVisitedLinkHash)
m_cachedVisitedLinkHash = blink::visitedLinkHash(
document().baseURL(), fastGetAttribute(HTMLNames::hrefAttr));
return m_cachedVisitedLinkHash;
}
// Functions shared with the other anchor elements (i.e., SVG).
bool isEnterKeyKeydownEvent(Event*);
bool isLinkClick(Event*);
} // namespace blink
#endif // HTMLAnchorElement_h
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