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       1             : /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2             : /* vim: set ts=8 sts=2 et sw=2 tw=80: */
       3             : /* This Source Code Form is subject to the terms of the Mozilla Public
       4             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       5             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       6             : 
       7             : #include "LayerAnimationUtils.h"
       8             : #include "mozilla/ComputedTimingFunction.h" // For ComputedTimingFunction
       9             : #include "mozilla/layers/LayersMessages.h" // For TimingFunction etc.
      10             : 
      11             : namespace mozilla {
      12             : namespace layers {
      13             : 
      14             : /* static */ Maybe<ComputedTimingFunction>
      15           0 : AnimationUtils::TimingFunctionToComputedTimingFunction(
      16             :   const TimingFunction& aTimingFunction)
      17             : {
      18           0 :   switch (aTimingFunction.type()) {
      19             :     case TimingFunction::Tnull_t:
      20           0 :       return Nothing();
      21             :     case TimingFunction::TCubicBezierFunction: {
      22           0 :       CubicBezierFunction cbf = aTimingFunction.get_CubicBezierFunction();
      23           0 :       return Some(ComputedTimingFunction::CubicBezier(cbf.x1(), cbf.y1(),
      24           0 :                                                       cbf.x2(), cbf.y2()));
      25             :     }
      26             :     case TimingFunction::TStepFunction: {
      27           0 :       StepFunction sf = aTimingFunction.get_StepFunction();
      28           0 :       nsTimingFunction::Type type = sf.type() == 1 ?
      29             :         nsTimingFunction::Type::StepStart :
      30           0 :         nsTimingFunction::Type::StepEnd;
      31           0 :       return Some(ComputedTimingFunction::Steps(type, sf.steps()));
      32             :     }
      33             :     case TimingFunction::TFramesFunction: {
      34           0 :       FramesFunction ff = aTimingFunction.get_FramesFunction();
      35           0 :       return Some(ComputedTimingFunction::Frames(ff.frames()));
      36             :     }
      37             :     default:
      38           0 :       MOZ_ASSERT_UNREACHABLE(
      39             :         "Function must be null, bezier, step or frames");
      40             :       break;
      41             :   }
      42             :   return Nothing();
      43             : }
      44             : 
      45             : } // namespace layers
      46             : } // namespace mozilla