third_party/WebKit/Source/core/events/UIEvent.cpp

/*
 * 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, 2005, 2006, 2008 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 "core/events/UIEvent.h"

namespace blink {

UIEvent::UIEvent() : m_detail(0), m_sourceCapabilities(nullptr) {}

// TODO(lanwei): Will add sourceCapabilities to all the subclass of UIEvent
// later, see https://crbug.com/476530.
UIEvent::UIEvent(const AtomicString& eventType,
                 bool canBubbleArg,
                 bool cancelableArg,
                 ComposedMode composedMode,
                 AbstractView* viewArg,
                 int detailArg,
                 InputDeviceCapabilities* sourceCapabilitiesArg)
    : Event(eventType, canBubbleArg, cancelableArg, composedMode),
      m_view(viewArg),
      m_detail(detailArg),
      m_sourceCapabilities(sourceCapabilitiesArg) {}

UIEvent::UIEvent(const AtomicString& eventType,
                 bool canBubbleArg,
                 bool cancelableArg,
                 ComposedMode composedMode,
                 double platformTimeStamp,
                 AbstractView* viewArg,
                 int detailArg,
                 InputDeviceCapabilities* sourceCapabilitiesArg)
    : Event(eventType,
            canBubbleArg,
            cancelableArg,
            composedMode,
            platformTimeStamp),
      m_view(viewArg),
      m_detail(detailArg),
      m_sourceCapabilities(sourceCapabilitiesArg) {}

UIEvent::UIEvent(const AtomicString& eventType, const UIEventInit& initializer)
    : Event(eventType, initializer),
      m_view(initializer.view()),
      m_detail(initializer.detail()),
      m_sourceCapabilities(initializer.sourceCapabilities()) {}

UIEvent::~UIEvent() {}

void UIEvent::initUIEvent(const AtomicString& typeArg,
                          bool canBubbleArg,
                          bool cancelableArg,
                          AbstractView* viewArg,
                          int detailArg) {
  initUIEventInternal(typeArg, canBubbleArg, cancelableArg, nullptr, viewArg,
                      detailArg, nullptr);
}

void UIEvent::initUIEventInternal(
    const AtomicString& typeArg,
    bool canBubbleArg,
    bool cancelableArg,
    EventTarget* relatedTarget,
    AbstractView* viewArg,
    int detailArg,
    InputDeviceCapabilities* sourceCapabilitiesArg) {
  if (isBeingDispatched())
    return;

  initEvent(typeArg, canBubbleArg, cancelableArg, relatedTarget);

  m_view = viewArg;
  m_detail = detailArg;
  m_sourceCapabilities = sourceCapabilitiesArg;
}

bool UIEvent::isUIEvent() const {
  return true;
}

const AtomicString& UIEvent::interfaceName() const {
  return EventNames::UIEvent;
}

int UIEvent::which() const {
  return 0;
}

DEFINE_TRACE(UIEvent) {
  visitor->trace(m_view);
  visitor->trace(m_sourceCapabilities);
  Event::trace(visitor);
}

}  // namespace blink