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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.
namespace mozilla {
namespace layers {
/* static */ Maybe<ComputedTimingFunction>
AnimationUtils::TimingFunctionToComputedTimingFunction(
const TimingFunction& aTimingFunction)
{
switch (aTimingFunction.type()) {
case TimingFunction::Tnull_t:
return Nothing();
case TimingFunction::TCubicBezierFunction: {
ComputedTimingFunction result;
CubicBezierFunction cbf = aTimingFunction.get_CubicBezierFunction();
result.Init(nsTimingFunction(cbf.x1(), cbf.y1(), cbf.x2(), cbf.y2()));
return Some(result);
}
case TimingFunction::TStepFunction: {
StepFunction sf = aTimingFunction.get_StepFunction();
nsTimingFunction::Type type = sf.type() == 1 ?
nsTimingFunction::Type::StepStart :
nsTimingFunction::Type::StepEnd;
ComputedTimingFunction result;
result.Init(nsTimingFunction(type, sf.steps()));
return Some(result);
}
default:
MOZ_ASSERT_UNREACHABLE(
"Function must be null, bezier or step");
break;
}
return Nothing();
}
} // namespace layers
} // namespace mozilla
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