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/* -*- 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/. */
#include "LayerAnimationUtils.h"
#include "mozilla/ComputedTimingFunction.h" // For ComputedTimingFunction
#include "mozilla/layers/LayersMessages.h" // For TimingFunction etc.
#include "nsTimingFunction.h"
namespace mozilla {
namespace layers {
/* static */
Maybe<ComputedTimingFunction>
AnimationUtils::TimingFunctionToComputedTimingFunction(
const TimingFunction& aTimingFunction) {
switch (aTimingFunction.type()) {
case TimingFunction::Tnull_t:
return Nothing();
case TimingFunction::TCubicBezierFunction: {
CubicBezierFunction cbf = aTimingFunction.get_CubicBezierFunction();
return Some(ComputedTimingFunction::CubicBezier(cbf.x1(), cbf.y1(),
cbf.x2(), cbf.y2()));
}
case TimingFunction::TStepFunction: {
StepFunction sf = aTimingFunction.get_StepFunction();
StyleStepPosition pos = static_cast<StyleStepPosition>(sf.type());
return Some(ComputedTimingFunction::Steps(sf.steps(), pos));
}
default:
MOZ_ASSERT_UNREACHABLE("Function must be null, bezier, step or frames");
break;
}
return Nothing();
}
} // namespace layers
} // namespace mozilla
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