gecko/dom/animation/ComputedTimingFunction.h
Boris Chiou c74e87a0a9 Bug 1214536 - Part 5: Add AnimationEffectTimingReadOnly interface. r=birtles, r=smaug
1. Add AnimationEffectTimingReadOnly.webidl.
2. Add AnimationEffectTimingReadOnly cpp files.
3. Use AnimationEffectTimingReadOnly as KeyframeEffectReadOnly::mTiming.
2016-01-13 18:37:00 +01:00

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1.7 KiB
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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/. */
#ifndef mozilla_ComputedTimingFunction_h
#define mozilla_ComputedTimingFunction_h
#include "nsSMILKeySpline.h" // nsSMILKeySpline
#include "nsStyleStruct.h" // nsTimingFunction
namespace mozilla {
class ComputedTimingFunction
{
public:
void Init(const nsTimingFunction &aFunction);
double GetValue(double aPortion) const;
const nsSMILKeySpline* GetFunction() const
{
NS_ASSERTION(HasSpline(), "Type mismatch");
return &mTimingFunction;
}
nsTimingFunction::Type GetType() const { return mType; }
bool HasSpline() const { return nsTimingFunction::IsSplineType(mType); }
uint32_t GetSteps() const { return mSteps; }
nsTimingFunction::StepSyntax GetStepSyntax() const { return mStepSyntax; }
bool operator==(const ComputedTimingFunction& aOther) const
{
return mType == aOther.mType &&
(HasSpline() ?
mTimingFunction == aOther.mTimingFunction :
(mSteps == aOther.mSteps &&
mStepSyntax == aOther.mStepSyntax));
}
bool operator!=(const ComputedTimingFunction& aOther) const
{
return !(*this == aOther);
}
int32_t Compare(const ComputedTimingFunction& aRhs) const;
void AppendToString(nsAString& aResult) const;
private:
nsTimingFunction::Type mType;
nsSMILKeySpline mTimingFunction;
uint32_t mSteps;
nsTimingFunction::StepSyntax mStepSyntax;
};
} // namespace mozilla
#endif // mozilla_ComputedTimingFunction_h