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/*
* Copyright (C) 2001 Peter Kelly (pmk@post.com)
* Copyright (C) 2001 Tobias Anton (anton@stud.fbi.fh-darmstadt.de)
* Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
* Copyright (C) 2003, 2004, 2005, 2006, 2008, 2009 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 THIRD_PARTY_BLINK_RENDERER_CORE_DOM_EVENTS_REGISTERED_EVENT_LISTENER_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_DOM_EVENTS_REGISTERED_EVENT_LISTENER_H_
#include "base/memory/scoped_refptr.h"
#include "third_party/blink/renderer/platform/heap/handle.h"
namespace blink {
class AddEventListenerOptionsResolved;
class Event;
class EventListener;
class EventListenerOptions;
// RegisteredEventListener represents 'event listener' defined in the DOM
// standard. https://dom.spec.whatwg.org/#concept-event-listener
class RegisteredEventListener final {
DISALLOW_NEW();
public:
RegisteredEventListener();
RegisteredEventListener(EventListener* listener,
const AddEventListenerOptionsResolved* options);
RegisteredEventListener(const RegisteredEventListener& that);
RegisteredEventListener& operator=(const RegisteredEventListener& that);
void Trace(Visitor* visitor) const;
AddEventListenerOptionsResolved* Options() const;
const EventListener* Callback() const { return callback_; }
EventListener* Callback() { return callback_; }
void SetCallback(EventListener* listener);
bool Passive() const { return passive_; }
bool Once() const { return once_; }
bool Capture() const { return use_capture_; }
bool BlockedEventWarningEmitted() const {
return blocked_event_warning_emitted_;
}
bool PassiveForcedForDocumentTarget() const {
return passive_forced_for_document_target_;
}
bool PassiveSpecified() const { return passive_specified_; }
void SetBlockedEventWarningEmitted() {
blocked_event_warning_emitted_ = true;
}
bool Matches(const EventListener* listener,
const EventListenerOptions* options) const;
bool ShouldFire(const Event&) const;
private:
Member<EventListener> callback_;
unsigned use_capture_ : 1;
unsigned passive_ : 1;
unsigned once_ : 1;
unsigned blocked_event_warning_emitted_ : 1;
unsigned passive_forced_for_document_target_ : 1;
unsigned passive_specified_ : 1;
};
bool operator==(const RegisteredEventListener&, const RegisteredEventListener&);
} // namespace blink
WTF_ALLOW_CLEAR_UNUSED_SLOTS_WITH_MEM_FUNCTIONS(blink::RegisteredEventListener)
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_DOM_EVENTS_REGISTERED_EVENT_LISTENER_H_
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