| /* |
| * 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. |
| * |
| */ |
| |
| #include "third_party/blink/renderer/core/dom/events/registered_event_listener.h" |
| |
| #include "third_party/blink/renderer/core/dom/events/add_event_listener_options_resolved.h" |
| #include "third_party/blink/renderer/core/dom/events/event.h" |
| #include "third_party/blink/renderer/core/dom/events/event_listener.h" |
| #include "third_party/blink/renderer/platform/runtime_enabled_features.h" |
| |
| namespace blink { |
| |
| RegisteredEventListener::RegisteredEventListener() |
| : use_capture_(false), |
| passive_(false), |
| once_(false), |
| blocked_event_warning_emitted_(false), |
| passive_forced_for_document_target_(false), |
| passive_specified_(false) {} |
| |
| RegisteredEventListener::RegisteredEventListener( |
| EventListener* listener, |
| const AddEventListenerOptionsResolved* options) |
| : callback_(listener), |
| use_capture_(options->capture()), |
| passive_(options->passive()), |
| once_(options->once()), |
| blocked_event_warning_emitted_(false), |
| passive_forced_for_document_target_( |
| options->PassiveForcedForDocumentTarget()), |
| passive_specified_(options->PassiveSpecified()) {} |
| |
| RegisteredEventListener& RegisteredEventListener::operator=( |
| const RegisteredEventListener& that) = default; |
| |
| void RegisteredEventListener::Trace(Visitor* visitor) { |
| visitor->Trace(callback_); |
| } |
| |
| AddEventListenerOptionsResolved* RegisteredEventListener::Options() const { |
| AddEventListenerOptionsResolved* result = |
| AddEventListenerOptionsResolved::Create(); |
| result->setCapture(use_capture_); |
| result->setPassive(passive_); |
| result->SetPassiveForcedForDocumentTarget( |
| passive_forced_for_document_target_); |
| result->setOnce(once_); |
| result->SetPassiveSpecified(passive_specified_); |
| return result; |
| } |
| |
| void RegisteredEventListener::SetCallback(EventListener* listener) { |
| callback_ = listener; |
| } |
| |
| bool RegisteredEventListener::Matches( |
| const EventListener* listener, |
| const EventListenerOptions* options) const { |
| // Equality is soley based on the listener and useCapture flags. |
| DCHECK(callback_); |
| DCHECK(listener); |
| return callback_->Matches(*listener) && |
| static_cast<bool>(use_capture_) == options->capture(); |
| } |
| |
| bool RegisteredEventListener::ShouldFire(const Event& event) const { |
| if (RuntimeEnabledFeatures:: |
| CallCaptureListenersAtCapturePhaseAtShadowHostsEnabled()) { |
| if (event.FireOnlyCaptureListenersAtTarget()) { |
| DCHECK_EQ(event.eventPhase(), Event::kAtTarget); |
| return Capture(); |
| } |
| if (event.FireOnlyNonCaptureListenersAtTarget()) { |
| DCHECK_EQ(event.eventPhase(), Event::kAtTarget); |
| return !Capture(); |
| } |
| if (event.eventPhase() == Event::kCapturingPhase) |
| return Capture(); |
| if (event.eventPhase() == Event::kBubblingPhase) |
| return !Capture(); |
| return true; |
| } |
| DCHECK(!event.FireOnlyCaptureListenersAtTarget()); |
| DCHECK(!event.FireOnlyNonCaptureListenersAtTarget()); |
| if (event.eventPhase() == Event::kCapturingPhase) |
| return Capture(); |
| if (event.eventPhase() == Event::kBubblingPhase) |
| return !Capture(); |
| return true; |
| } |
| |
| bool operator==(const RegisteredEventListener& lhs, |
| const RegisteredEventListener& rhs) { |
| DCHECK(lhs.Callback()); |
| DCHECK(rhs.Callback()); |
| return lhs.Callback()->Matches(*rhs.Callback()) && |
| lhs.Capture() == rhs.Capture(); |
| } |
| |
| } // namespace blink |