diff options
author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
---|---|---|
committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
tree | 10027f336435511475e392454359edea8e25895d /dom/animation/TimingParams.h | |
parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
download | uxp-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz |
Add m-esr52 at 52.6.0
Diffstat (limited to 'dom/animation/TimingParams.h')
-rw-r--r-- | dom/animation/TimingParams.h | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/dom/animation/TimingParams.h b/dom/animation/TimingParams.h new file mode 100644 index 0000000000..bfecee90cc --- /dev/null +++ b/dom/animation/TimingParams.h @@ -0,0 +1,130 @@ +/* -*- 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_TimingParams_h +#define mozilla_TimingParams_h + +#include "nsStringFwd.h" +#include "mozilla/dom/Nullable.h" +#include "mozilla/dom/UnionTypes.h" // For OwningUnrestrictedDoubleOrString +#include "mozilla/ComputedTimingFunction.h" +#include "mozilla/Maybe.h" +#include "mozilla/StickyTimeDuration.h" +#include "mozilla/TimeStamp.h" // for TimeDuration + +// X11 has a #define for None +#ifdef None +#undef None +#endif +#include "mozilla/dom/AnimationEffectReadOnlyBinding.h" // for FillMode + // and PlaybackDirection + +class nsIDocument; + +namespace mozilla { + +namespace dom { +class UnrestrictedDoubleOrKeyframeEffectOptions; +class UnrestrictedDoubleOrKeyframeAnimationOptions; +} + +struct TimingParams +{ + TimingParams() = default; + + static TimingParams FromOptionsUnion( + const dom::UnrestrictedDoubleOrKeyframeEffectOptions& aOptions, + nsIDocument* aDocument, ErrorResult& aRv); + static TimingParams FromOptionsUnion( + const dom::UnrestrictedDoubleOrKeyframeAnimationOptions& aOptions, + nsIDocument* aDocument, ErrorResult& aRv); + + // Range-checks and validates an UnrestrictedDoubleOrString or + // OwningUnrestrictedDoubleOrString object and converts to a + // StickyTimeDuration value or Nothing() if aDuration is "auto". + // Caller must check aRv.Failed(). + template <class DoubleOrString> + static Maybe<StickyTimeDuration> ParseDuration(DoubleOrString& aDuration, + ErrorResult& aRv) + { + Maybe<StickyTimeDuration> result; + if (aDuration.IsUnrestrictedDouble()) { + double durationInMs = aDuration.GetAsUnrestrictedDouble(); + if (durationInMs >= 0) { + result.emplace(StickyTimeDuration::FromMilliseconds(durationInMs)); + } else { + aRv.ThrowTypeError<dom::MSG_ENFORCE_RANGE_OUT_OF_RANGE>( + NS_LITERAL_STRING("duration")); + } + } else if (!aDuration.GetAsString().EqualsLiteral("auto")) { + aRv.ThrowTypeError<dom::MSG_INVALID_DURATION_ERROR>( + aDuration.GetAsString()); + } + return result; + } + + static void ValidateIterationStart(double aIterationStart, + ErrorResult& aRv) + { + if (aIterationStart < 0) { + aRv.ThrowTypeError<dom::MSG_ENFORCE_RANGE_OUT_OF_RANGE>( + NS_LITERAL_STRING("iterationStart")); + } + } + + static void ValidateIterations(double aIterations, ErrorResult& aRv) + { + if (IsNaN(aIterations) || aIterations < 0) { + aRv.ThrowTypeError<dom::MSG_ENFORCE_RANGE_OUT_OF_RANGE>( + NS_LITERAL_STRING("iterations")); + } + } + + static Maybe<ComputedTimingFunction> ParseEasing(const nsAString& aEasing, + nsIDocument* aDocument, + ErrorResult& aRv); + + // mDuration.isNothing() represents the "auto" value + Maybe<StickyTimeDuration> mDuration; + TimeDuration mDelay; // Initializes to zero + TimeDuration mEndDelay; + double mIterations = 1.0; // Can be NaN, negative, +/-Infinity + double mIterationStart = 0.0; + dom::PlaybackDirection mDirection = dom::PlaybackDirection::Normal; + dom::FillMode mFill = dom::FillMode::Auto; + Maybe<ComputedTimingFunction> mFunction; + + // Return the duration of the active interval calculated by duration and + // iteration count. + StickyTimeDuration ActiveDuration() const + { + // If either the iteration duration or iteration count is zero, + // Web Animations says that the active duration is zero. This is to + // ensure that the result is defined when the other argument is Infinity. + static const StickyTimeDuration zeroDuration; + if (!mDuration || *mDuration == zeroDuration || mIterations == 0.0) { + return zeroDuration; + } + + return mDuration->MultDouble(mIterations); + } + + StickyTimeDuration EndTime() const + { + return std::max(mDelay + ActiveDuration() + mEndDelay, + StickyTimeDuration()); + } + + bool operator==(const TimingParams& aOther) const; + bool operator!=(const TimingParams& aOther) const + { + return !(*this == aOther); + } +}; + +} // namespace mozilla + +#endif // mozilla_TimingParams_h |