dom/animation/AnimationUtils.h
author Josh Matthews <josh@joshmatthews.net>
Thu, 28 May 2015 13:23:56 -0400
changeset 266125 a8c1768e0d8799b39d6485d1b0c333f5e6aeef52
parent 259364 3e29c42f8f6401ddcf5fe88cb6535a24a957244f
child 272011 bd079aadd3feeee3f9b9f73c5e0bc4bd6a870722
permissions -rw-r--r--
Bug 1059081 - Add a threadsafe wrapper for persistent nsMultiplexStream queues. r=nfroyd, a=ritu

/* vim: set shiftwidth=2 tabstop=8 autoindent cindent expandtab: */
/* 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