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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 "mozilla/TimingParams.h"
#include "mozilla/AnimationUtils.h"
#include "mozilla/dom/AnimatableBinding.h"
#include "mozilla/dom/KeyframeAnimationOptionsBinding.h"
#include "mozilla/dom/KeyframeEffectBinding.h"
#include "nsCSSParser.h" // For nsCSSParser
#include "nsIDocument.h"
#include "nsRuleNode.h"
namespace mozilla {
template <class OptionsType>
static const dom::AnimationEffectTimingProperties&
GetTimingProperties(const OptionsType& aOptions);
template <>
/* static */ const dom::AnimationEffectTimingProperties&
GetTimingProperties(
const dom::UnrestrictedDoubleOrKeyframeEffectOptions& aOptions)
{
MOZ_ASSERT(aOptions.IsKeyframeEffectOptions());
return aOptions.GetAsKeyframeEffectOptions();
}
template <>
/* static */ const dom::AnimationEffectTimingProperties&
GetTimingProperties(
const dom::UnrestrictedDoubleOrKeyframeAnimationOptions& aOptions)
{
MOZ_ASSERT(aOptions.IsKeyframeAnimationOptions());
return aOptions.GetAsKeyframeAnimationOptions();
}
template <class OptionsType>
static TimingParams
TimingParamsFromOptionsUnion(const OptionsType& aOptions,
nsIDocument* aDocument,
ErrorResult& aRv)
{
TimingParams result;
if (aOptions.IsUnrestrictedDouble()) {
double durationInMs = aOptions.GetAsUnrestrictedDouble();
if (durationInMs >= 0) {
result.mDuration.emplace(
StickyTimeDuration::FromMilliseconds(durationInMs));
} else {
aRv.Throw(NS_ERROR_DOM_TYPE_ERR);
}
} else {
const dom::AnimationEffectTimingProperties& timing =
GetTimingProperties(aOptions);
Maybe<StickyTimeDuration> duration =
TimingParams::ParseDuration(timing.mDuration, aRv);
if (aRv.Failed()) {
return result;
}
TimingParams::ValidateIterationStart(timing.mIterationStart, aRv);
if (aRv.Failed()) {
return result;
}
TimingParams::ValidateIterations(timing.mIterations, aRv);
if (aRv.Failed()) {
return result;
}
Maybe<ComputedTimingFunction> easing =
TimingParams::ParseEasing(timing.mEasing, aDocument, aRv);
if (aRv.Failed()) {
return result;
}
result.mDuration = duration;
result.mDelay = TimeDuration::FromMilliseconds(timing.mDelay);
result.mEndDelay = TimeDuration::FromMilliseconds(timing.mEndDelay);
result.mIterations = timing.mIterations;
result.mIterationStart = timing.mIterationStart;
result.mDirection = timing.mDirection;
result.mFill = timing.mFill;
result.mFunction = easing;
}
return result;
}
/* static */ TimingParams
TimingParams::FromOptionsUnion(
const dom::UnrestrictedDoubleOrKeyframeEffectOptions& aOptions,
nsIDocument* aDocument,
ErrorResult& aRv)
{
return TimingParamsFromOptionsUnion(aOptions, aDocument, aRv);
}
/* static */ TimingParams
TimingParams::FromOptionsUnion(
const dom::UnrestrictedDoubleOrKeyframeAnimationOptions& aOptions,
nsIDocument* aDocument,
ErrorResult& aRv)
{
return TimingParamsFromOptionsUnion(aOptions, aDocument, aRv);
}
/* static */ Maybe<ComputedTimingFunction>
TimingParams::ParseEasing(const nsAString& aEasing,
nsIDocument* aDocument,
ErrorResult& aRv)
{
MOZ_ASSERT(aDocument);
nsCSSValue value;
nsCSSParser parser;
parser.ParseLonghandProperty(eCSSProperty_animation_timing_function,
aEasing,
aDocument->GetDocumentURI(),
aDocument->GetDocumentURI(),
aDocument->NodePrincipal(),
value);
switch (value.GetUnit()) {
case eCSSUnit_List: {
const nsCSSValueList* list = value.GetListValue();
if (list->mNext) {
// don't support a list of timing functions
break;
}
switch (list->mValue.GetUnit()) {
case eCSSUnit_Enumerated:
// Return Nothing() if "linear" is passed in.
if (list->mValue.GetIntValue() ==
NS_STYLE_TRANSITION_TIMING_FUNCTION_LINEAR) {
return Nothing();
}
MOZ_FALLTHROUGH;
case eCSSUnit_Cubic_Bezier:
case eCSSUnit_Steps: {
nsTimingFunction timingFunction;
nsRuleNode::ComputeTimingFunction(list->mValue, timingFunction);
ComputedTimingFunction computedTimingFunction;
computedTimingFunction.Init(timingFunction);
return Some(computedTimingFunction);
}
default:
MOZ_ASSERT_UNREACHABLE("unexpected animation-timing-function list "
"item unit");
break;
}
break;
}
case eCSSUnit_Inherit:
case eCSSUnit_Initial:
case eCSSUnit_Unset:
case eCSSUnit_TokenStream:
case eCSSUnit_Null:
break;
default:
MOZ_ASSERT_UNREACHABLE("unexpected animation-timing-function unit");
break;
}
aRv.ThrowTypeError<dom::MSG_INVALID_EASING_ERROR>(aEasing);
return Nothing();
}
bool
TimingParams::operator==(const TimingParams& aOther) const
{
return mDuration == aOther.mDuration &&
mDelay == aOther.mDelay &&
mIterations == aOther.mIterations &&
mIterationStart == aOther.mIterationStart &&
mDirection == aOther.mDirection &&
mFill == aOther.mFill &&
mFunction == aOther.mFunction;
}
} // namespace mozilla
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