77 lines
2.4 KiB
C++
77 lines
2.4 KiB
C++
/*
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* Copyright (C) 2001 Peter Kelly (pmk@post.com)
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* Copyright (C) 2001 Tobias Anton (anton@stud.fbi.fh-darmstadt.de)
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* Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
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* Copyright (C) 2003-2021 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 "EventListener.h"
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#include <wtf/Ref.h>
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namespace WebCore {
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// https://dom.spec.whatwg.org/#concept-event-listener
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class RegisteredEventListener : public RefCounted<RegisteredEventListener> {
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public:
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struct Options {
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Options(bool capture = false, bool passive = false, bool once = false)
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: capture(capture)
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, passive(passive)
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, once(once)
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{ }
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bool capture;
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bool passive;
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bool once;
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};
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static Ref<RegisteredEventListener> create(Ref<EventListener>&& listener, const Options& options)
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{
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return adoptRef(*new RegisteredEventListener(WTFMove(listener), options));
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}
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EventListener& callback() const { return m_callback; }
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bool useCapture() const { return m_useCapture; }
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bool isPassive() const { return m_isPassive; }
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bool isOnce() const { return m_isOnce; }
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bool wasRemoved() const { return m_wasRemoved; }
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void markAsRemoved() { m_wasRemoved = true; }
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private:
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RegisteredEventListener(Ref<EventListener>&& listener, const Options& options)
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: m_useCapture(options.capture)
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, m_isPassive(options.passive)
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, m_isOnce(options.once)
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, m_wasRemoved(false)
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, m_callback(WTFMove(listener))
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{
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}
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bool m_useCapture : 1;
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bool m_isPassive : 1;
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bool m_isOnce : 1;
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bool m_wasRemoved : 1;
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Ref<EventListener> m_callback;
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};
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} // namespace WebCore
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