gecko-dev/content/events/src/nsDOMTransitionEvent.cpp

/* vim: set shiftwidth=2 tabstop=8 autoindent cindent expandtab: */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is nsDOMTransitionEvent.
 *
 * The Initial Developer of the Original Code is the Mozilla Foundation.
 * Portions created by the Initial Developer are Copyright (C) 2009
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   L. David Baron <dbaron@dbaron.org>, Mozilla Corporation (original author)
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

#include "nsDOMTransitionEvent.h"
#include "nsGUIEvent.h"
#include "nsDOMClassInfoID.h"
#include "nsIClassInfo.h"
#include "nsIXPCScriptable.h"

nsDOMTransitionEvent::nsDOMTransitionEvent(nsPresContext *aPresContext,
                                           nsTransitionEvent *aEvent)
  : nsDOMEvent(aPresContext, aEvent ? aEvent
                                    : new nsTransitionEvent(PR_FALSE, 0,
                                                            EmptyString(),
                                                            0.0))
{
  if (aEvent) {
    mEventIsInternal = PR_FALSE;
  }
  else {
    mEventIsInternal = PR_TRUE;
    mEvent->time = PR_Now();
  }
}

nsDOMTransitionEvent::~nsDOMTransitionEvent()
{
  if (mEventIsInternal) {
    delete TransitionEvent();
    mEvent = nsnull;
  }
}

DOMCI_DATA(TransitionEvent, nsDOMTransitionEvent)

NS_INTERFACE_MAP_BEGIN(nsDOMTransitionEvent)
  NS_INTERFACE_MAP_ENTRY(nsIDOMTransitionEvent)
  NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(TransitionEvent)
NS_INTERFACE_MAP_END_INHERITING(nsDOMEvent)

NS_IMPL_ADDREF_INHERITED(nsDOMTransitionEvent, nsDOMEvent)
NS_IMPL_RELEASE_INHERITED(nsDOMTransitionEvent, nsDOMEvent)

NS_IMETHODIMP
nsDOMTransitionEvent::GetPropertyName(nsAString & aPropertyName)
{
  aPropertyName = TransitionEvent()->propertyName;
  return NS_OK;
}

NS_IMETHODIMP
nsDOMTransitionEvent::GetElapsedTime(float *aElapsedTime)
{
  *aElapsedTime = TransitionEvent()->elapsedTime;
  return NS_OK;
}

NS_IMETHODIMP
nsDOMTransitionEvent::InitTransitionEvent(const nsAString & typeArg,
                                          PRBool canBubbleArg,
                                          PRBool cancelableArg,
                                          const nsAString & propertyNameArg,
                                          float elapsedTimeArg)
{
  nsresult rv = nsDOMEvent::InitEvent(typeArg, canBubbleArg, cancelableArg);
  NS_ENSURE_SUCCESS(rv, rv);

  TransitionEvent()->propertyName = propertyNameArg;
  TransitionEvent()->elapsedTime = elapsedTimeArg;

  return NS_OK;
}

nsresult
NS_NewDOMTransitionEvent(nsIDOMEvent **aInstancePtrResult,
                         nsPresContext *aPresContext,
                         nsTransitionEvent *aEvent)
{
  nsDOMTransitionEvent *it = new nsDOMTransitionEvent(aPresContext, aEvent);
  return CallQueryInterface(it, aInstancePtrResult);
}