dom/animation/AnimationUtils.h
author Masayuki Nakano <masayuki@d-toybox.com>
Wed, 26 Aug 2015 21:56:59 +0900
changeset 291977 cd06f5f5641c3dfb7f07db878584d389fb4df1b7
parent 272011 bd079aadd3feeee3f9b9f73c5e0bc4bd6a870722
child 309699 17eb384095497ac3b940aabe1de65f51f230c7b6
permissions -rw-r--r--
Bug 895274 part.3 Make the enum of event messages a named enum IGNORE IDL r=smaug

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef mozilla_dom_AnimationUtils_h
#define mozilla_dom_AnimationUtils_h

#include "mozilla/TimeStamp.h"
#include "mozilla/dom/Nullable.h"

namespace mozilla {
namespace dom {

class AnimationUtils
{
public:
  static Nullable<double>
    TimeDurationToDouble(const Nullable<TimeDuration>& aTime)
  {
    Nullable<double> result;

    if (!aTime.IsNull()) {
      result.SetValue(aTime.Value().ToMilliseconds());
    }

    return result;
  }

  static Nullable<TimeDuration>
    DoubleToTimeDuration(const Nullable<double>& aTime)
  {
    Nullable<TimeDuration> result;

    if (!aTime.IsNull()) {
      result.SetValue(TimeDuration::FromMilliseconds(aTime.Value()));
    }

    return result;
  }
};

} // namespace dom
} // namespace mozilla

#endif