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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) 2007-2016 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.
*
*/
#pragma once
#include "HTMLElement.h"
#include "HTMLNames.h"
#include "LinkHash.h"
#include "URLUtils.h"
#include <wtf/OptionSet.h>
namespace WebCore {
class DOMTokenList;
// Link relation bitmask values.
enum class Relation {
NoReferrer = 1 << 0,
NoOpener = 1 << 1,
};
class HTMLAnchorElement : public HTMLElement, public URLUtils<HTMLAnchorElement> {
public:
static Ref<HTMLAnchorElement> create(Document&);
static Ref<HTMLAnchorElement> create(const QualifiedName&, Document&);
virtual ~HTMLAnchorElement();
WEBCORE_EXPORT URL href() const;
void setHref(const AtomicString&);
const AtomicString& name() const;
WEBCORE_EXPORT String origin() const;
WEBCORE_EXPORT String text();
void setText(const String&);
bool isLiveLink() const;
bool willRespondToMouseClickEvents() final;
bool hasRel(Relation) const;
LinkHash visitedLinkHash() const;
void invalidateCachedVisitedLinkHash() { m_cachedVisitedLinkHash = 0; }
WEBCORE_EXPORT DOMTokenList& relList();
protected:
HTMLAnchorElement(const QualifiedName&, Document&);
void parseAttribute(const QualifiedName&, const AtomicString&) override;
private:
bool supportsFocus() const override;
bool isMouseFocusable() const override;
bool isKeyboardFocusable(KeyboardEvent&) const override;
void defaultEventHandler(Event&) final;
void setActive(bool active = true, bool pause = false) final;
void accessKeyAction(bool sendMouseEvents) final;
bool isURLAttribute(const Attribute&) const final;
bool canStartSelection() const final;
String target() const override;
int tabIndex() const final;
bool draggable() const final;
void sendPings(const URL& destinationURL);
void handleClick(Event&);
enum EventType {
MouseEventWithoutShiftKey,
MouseEventWithShiftKey,
NonMouseEvent,
};
static EventType eventType(Event&);
bool treatLinkAsLiveForEventType(EventType) const;
Element* rootEditableElementForSelectionOnMouseDown() const;
void setRootEditableElementForSelectionOnMouseDown(Element*);
void clearRootEditableElementForSelectionOnMouseDown();
bool m_hasRootEditableElementForSelectionOnMouseDown;
bool m_wasShiftKeyDownOnMouseDown;
OptionSet<Relation> m_linkRelations;
mutable LinkHash m_cachedVisitedLinkHash;
std::unique_ptr<DOMTokenList> m_relList;
};
inline LinkHash HTMLAnchorElement::visitedLinkHash() const
{
if (!m_cachedVisitedLinkHash)
m_cachedVisitedLinkHash = WebCore::visitedLinkHash(document().baseURL(), attributeWithoutSynchronization(HTMLNames::hrefAttr));
return m_cachedVisitedLinkHash;
}
// Functions shared with the other anchor elements (i.e., SVG).
bool isEnterKeyKeydownEvent(Event&);
bool shouldProhibitLinks(Element*);
} // namespace WebCore
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