dom/animation/AnimationUtils.h

   1 /* vim: set shiftwidth=2 tabstop=8 autoindent cindent expandtab: */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #ifndef mozilla_dom_AnimationUtils_h
   7 #define mozilla_dom_AnimationUtils_h
   8
   9 #include "mozilla/TimeStamp.h"
  10 #include "mozilla/dom/Nullable.h"
  11
  12 namespace mozilla {
  13 namespace dom {
  14
  15 class AnimationUtils
  16 {
  17 public:
  18   static Nullable<double>
  19     TimeDurationToDouble(const Nullable<TimeDuration>& aTime)
  20   {
  21     Nullable<double> result;
  22
  23     if (!aTime.IsNull()) {
  24       result.SetValue(aTime.Value().ToMilliseconds());
  25     }
  26
  27     return result;
  28   }
  29 };
  30
  31 } // namespace dom
  32 } // namespace mozilla
  33
  34 #endif