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This patch creates the capability to have callsites specify if timestamps should be clamped only in Resist Fingerprinting Mode, or in the more expansive Timer PRecision Reduction Mode. Then it changes the CSS Animation callsite to only apply in RFP Mode. This avoids regressing RFP. MozReview-Commit-ID: B1pSri0kRk6 --HG-- extra : rebase_source : f3d8c1f9561fbb19d1ca8594ba2b69cffd25445b
81 lines
2.0 KiB
C++
81 lines
2.0 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_AnimationUtils_h
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#define mozilla_dom_AnimationUtils_h
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#include "mozilla/TimeStamp.h"
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#include "mozilla/dom/BindingDeclarations.h"
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#include "mozilla/dom/Nullable.h"
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#include "nsRFPService.h"
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#include "nsStringFwd.h"
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class nsIContent;
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class nsIDocument;
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class nsIFrame;
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struct JSContext;
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namespace mozilla {
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class ComputedTimingFunction;
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class EffectSet;
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class AnimationUtils
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{
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public:
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static dom::Nullable<double>
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TimeDurationToDouble(const dom::Nullable<TimeDuration>& aTime)
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{
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dom::Nullable<double> result;
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if (!aTime.IsNull()) {
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result.SetValue(
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nsRFPService::ReduceTimePrecisionAsMSecs(aTime.Value().ToMilliseconds(), TimerPrecisionType::RFPOnly)
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);
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}
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return result;
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}
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static dom::Nullable<TimeDuration>
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DoubleToTimeDuration(const dom::Nullable<double>& aTime)
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{
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dom::Nullable<TimeDuration> result;
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if (!aTime.IsNull()) {
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result.SetValue(TimeDuration::FromMilliseconds(aTime.Value()));
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}
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return result;
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}
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static void LogAsyncAnimationFailure(nsCString& aMessage,
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const nsIContent* aContent = nullptr);
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/**
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* Get the document from the JS context to use when parsing CSS properties.
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*/
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static nsIDocument*
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GetCurrentRealmDocument(JSContext* aCx);
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/**
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* Checks if offscreen animation throttling is enabled.
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*/
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static bool
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IsOffscreenThrottlingEnabled();
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/**
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* Returns true if the given EffectSet contains a current effect that animates
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* scale. |aFrame| is used for calculation of scale values.
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*/
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static bool EffectSetContainsAnimatedScale(EffectSet& aEffects,
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const nsIFrame* aFrame);
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};
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} // namespace mozilla
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#endif
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