text: /*
   * 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 "config.h"
  #include "Event.h"
  
  #include "AtomicString.h"
  #include <wtf/CurrentTime.h>
  
  namespace WebCore {
  
  Event::Event()
      : m_canBubble(false)
      , m_cancelable(false)
      , m_propagationStopped(false)
      , m_defaultPrevented(false)
      , m_defaultHandled(false)
      , m_cancelBubble(false)
      , m_createdByDOM(false)
      , m_eventPhase(0)
      , m_currentTarget(0)
      , m_createTime(static_cast<DOMTimeStamp>(currentTime() * 1000.0))
  {
  }
  
  Event::Event(const AtomicString& eventType, bool canBubbleArg, bool cancelableArg)
      : m_type(eventType)
      , m_canBubble(canBubbleArg)
      , m_cancelable(cancelableArg)
      , m_propagationStopped(false)
      , m_defaultPrevented(false)
      , m_defaultHandled(false)
      , m_cancelBubble(false)
      , m_createdByDOM(false)
      , m_eventPhase(0)
      , m_currentTarget(0)
      , m_createTime(static_cast<DOMTimeStamp>(currentTime() * 1000.0))
  {
  }
  
  Event::~Event()
  {
  }
  
  void Event::initEvent(const AtomicString& eventTypeArg, bool canBubbleArg, bool cancelableArg)
  {
      if (dispatched())
          return;
  
      m_type = eventTypeArg;
      m_canBubble = canBubbleArg;
      m_cancelable = cancelableArg;
  }
  
  bool Event::isUIEvent() const
  {
      return false;
  }
  
  bool Event::isMouseEvent() const
  {
      return false;
  }
  
  bool Event::isMutationEvent() const
  {
      return false;
  }
  
  bool Event::isKeyboardEvent() const
  {
      return false;
  }
  
  bool Event::isTextEvent() const
  {
      return false;
  }
  
  bool Event::isCompositionEvent() const
  {
      return false;
  }
  
  bool Event::isDragEvent() const
  {
      return false;
  }
  
  bool Event::isClipboardEvent() const
  {
      return false;
  }
  
  bool Event::isWheelEvent() const
  {
      return false;
  }
  
  bool Event::isMessageEvent() const
  {
      return false;
  }
  
  bool Event::isBeforeTextInsertedEvent() const
  {
      return false;
  }
  
  bool Event::isOverflowEvent() const
  {
      return false;
  }
  
  bool Event::isPageTransitionEvent() const
  {
      return false;
  }
  
  bool Event::isPopStateEvent() const
  {
      return false;
  }
  
  bool Event::isProgressEvent() const
  {
      return false;
  }
  
  bool Event::isWebKitAnimationEvent() const
  {
      return false;
  }
  
  bool Event::isWebKitTransitionEvent() const
  {
      return false;
  }
  
  bool Event::isXMLHttpRequestProgressEvent() const
  {
      return false;
  }
  
  bool Event::isBeforeLoadEvent() const
  {
      return false;
  }
  
  #if ENABLE(SVG)
  bool Event::isSVGZoomEvent() const
  {
      return false;
  }
  #endif
  
  #if ENABLE(DOM_STORAGE)
  bool Event::isStorageEvent() const
  {
      return false;
  }
  #endif
  
  #if ENABLE(WORKERS)
  bool Event::isErrorEvent() const
  {
      return false;
  }
  #endif
  
  #if ENABLE(TOUCH_EVENTS)
  bool Event::isTouchEvent() const
  {
      return false;
  }
  #endif
  
  bool Event::storesResultAsString() const
  {
      return false;
  }
  
  void Event::storeResult(const String&)
  {
  }
  
  void Event::setTarget(PassRefPtr<EventTarget> target)
  {
      m_target = target;
      if (m_target)
          receivedTarget();
  }
  
  void Event::receivedTarget()
  {
  }
  
  void Event::setUnderlyingEvent(PassRefPtr<Event> ue)
  {
      // Prohibit creation of a cycle -- just do nothing in that case.
      for (Event* e = ue.get(); e; e = e->underlyingEvent())
          if (e == this)
              return;
      m_underlyingEvent = ue;
  }
  
  } // namespace WebCore
  