146 lines
4.5 KiB
C++
146 lines
4.5 KiB
C++
/*
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* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
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* (C) 1999 Antti Koivisto (koivisto@kde.org)
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* (C) 2000 Simon Hausmann <hausmann@kde.org>
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* Copyright (C) 2007-2016 Apple Inc. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*
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*/
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#pragma once
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#include "HTMLElement.h"
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#include "HTMLNames.h"
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#include "SharedStringHash.h"
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#include "URLDecomposition.h"
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#include <wtf/OptionSet.h>
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namespace WebCore {
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class PrivateClickMeasurement;
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class DOMTokenList;
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// Link relation bitmask values.
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enum class Relation : uint8_t {
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NoReferrer = 1 << 0,
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NoOpener = 1 << 1,
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Opener = 1 << 2,
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};
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class HTMLAnchorElement : public HTMLElement, public URLDecomposition {
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WTF_MAKE_ISO_ALLOCATED(HTMLAnchorElement);
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public:
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static Ref<HTMLAnchorElement> create(Document&);
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static Ref<HTMLAnchorElement> create(const QualifiedName&, Document&);
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virtual ~HTMLAnchorElement();
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WEBCORE_EXPORT URL href() const;
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void setHref(const AtomString&);
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const AtomString& name() const;
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WEBCORE_EXPORT String origin() const;
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WEBCORE_EXPORT String text();
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void setText(const String&);
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bool isLiveLink() const;
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bool willRespondToMouseClickEvents() final;
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bool hasRel(Relation) const;
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SharedStringHash visitedLinkHash() const;
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WEBCORE_EXPORT DOMTokenList& relList();
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#if USE(SYSTEM_PREVIEW)
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WEBCORE_EXPORT bool isSystemPreviewLink();
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#endif
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void setReferrerPolicyForBindings(const AtomString&);
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String referrerPolicyForBindings() const;
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ReferrerPolicy referrerPolicy() const;
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protected:
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HTMLAnchorElement(const QualifiedName&, Document&);
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void parseAttribute(const QualifiedName&, const AtomString&) override;
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private:
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bool supportsFocus() const override;
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bool isMouseFocusable() const override;
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bool isKeyboardFocusable(KeyboardEvent*) const override;
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void defaultEventHandler(Event&) final;
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void setActive(bool active, bool pause, Style::InvalidationScope) final;
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bool accessKeyAction(bool sendMouseEvents) final;
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bool isURLAttribute(const Attribute&) const final;
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bool canStartSelection() const final;
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String target() const override;
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int defaultTabIndex() const final;
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bool draggable() const final;
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bool isInteractiveContent() const final;
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String effectiveTarget() const;
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void sendPings(const URL& destinationURL);
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std::optional<PrivateClickMeasurement> parsePrivateClickMeasurement() const;
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void handleClick(Event&);
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enum EventType {
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MouseEventWithoutShiftKey,
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MouseEventWithShiftKey,
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NonMouseEvent,
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};
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static EventType eventType(Event&);
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bool treatLinkAsLiveForEventType(EventType) const;
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Element* rootEditableElementForSelectionOnMouseDown() const;
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void setRootEditableElementForSelectionOnMouseDown(Element*);
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void clearRootEditableElementForSelectionOnMouseDown();
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URL fullURL() const final { return href(); }
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void setFullURL(const URL& fullURL) final { setHref(fullURL.string()); }
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bool m_hasRootEditableElementForSelectionOnMouseDown { false };
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bool m_wasShiftKeyDownOnMouseDown { false };
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OptionSet<Relation> m_linkRelations;
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// This is computed only once and must not be affected by subsequent URL changes.
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mutable Markable<SharedStringHash, SharedStringHashMarkableTraits> m_storedVisitedLinkHash;
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std::unique_ptr<DOMTokenList> m_relList;
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};
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inline SharedStringHash HTMLAnchorElement::visitedLinkHash() const
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{
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ASSERT(isLink());
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if (!m_storedVisitedLinkHash)
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m_storedVisitedLinkHash = computeVisitedLinkHash(document().baseURL(), attributeWithoutSynchronization(HTMLNames::hrefAttr));
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return *m_storedVisitedLinkHash;
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}
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// Functions shared with the other anchor elements (i.e., SVG).
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bool isEnterKeyKeydownEvent(Event&);
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bool shouldProhibitLinks(Element*);
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} // namespace WebCore
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