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Updated with clang-format version 14.0.5 (taskcluster-DydCt-ryTuKvBYw1HQOugw) # ignore-this-changeset Differential Revision: https://phabricator.services.mozilla.com/D154661
109 lines
3.7 KiB
C++
109 lines
3.7 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 nsAnimationManager_h_
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#define nsAnimationManager_h_
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#include "mozilla/Attributes.h"
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#include "AnimationCommon.h"
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#include "mozilla/dom/CSSAnimation.h"
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#include "mozilla/Keyframe.h"
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#include "mozilla/MemoryReporting.h"
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#include "nsISupportsImpl.h"
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#include "nsTHashSet.h"
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class ServoCSSAnimationBuilder;
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struct nsStyleUIReset;
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namespace mozilla {
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class ComputedStyle;
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enum class PseudoStyleType : uint8_t;
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struct NonOwningAnimationTarget;
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} /* namespace mozilla */
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class nsAnimationManager final
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: public mozilla::CommonAnimationManager<mozilla::dom::CSSAnimation> {
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public:
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explicit nsAnimationManager(nsPresContext* aPresContext)
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: mozilla::CommonAnimationManager<mozilla::dom::CSSAnimation>(
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aPresContext) {}
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typedef mozilla::AnimationCollection<mozilla::dom::CSSAnimation>
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CSSAnimationCollection;
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typedef nsTArray<RefPtr<mozilla::dom::CSSAnimation>>
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OwningCSSAnimationPtrArray;
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~nsAnimationManager() override = default;
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/**
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* This function does the same thing as the above UpdateAnimations()
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* but with servo's computed values.
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*/
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void UpdateAnimations(mozilla::dom::Element* aElement,
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mozilla::PseudoStyleType aPseudoType,
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const mozilla::ComputedStyle* aComputedValues);
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// Utility function to walk through |aIter| to find the Keyframe with
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// matching offset and timing function but stopping as soon as the offset
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// differs from |aOffset| (i.e. it assumes a sorted iterator).
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//
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// If a matching Keyframe is found,
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// Returns true and sets |aIndex| to the index of the matching Keyframe
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// within |aIter|.
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//
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// If no matching Keyframe is found,
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// Returns false and sets |aIndex| to the index in the iterator of the
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// first Keyframe with an offset differing to |aOffset| or, if the end
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// of the iterator is reached, sets |aIndex| to the index after the last
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// Keyframe.
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template <class IterType>
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static bool FindMatchingKeyframe(
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IterType&& aIter, double aOffset,
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const mozilla::StyleComputedTimingFunction& aTimingFunctionToMatch,
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mozilla::dom::CompositeOperationOrAuto aCompositionToMatch,
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size_t& aIndex) {
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aIndex = 0;
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for (mozilla::Keyframe& keyframe : aIter) {
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if (keyframe.mOffset.value() != aOffset) {
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break;
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}
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const bool matches = [&] {
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if (keyframe.mComposite != aCompositionToMatch) {
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return false;
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}
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return keyframe.mTimingFunction
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? *keyframe.mTimingFunction == aTimingFunctionToMatch
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: aTimingFunctionToMatch.IsLinearKeyword();
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}();
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if (matches) {
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return true;
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}
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++aIndex;
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}
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return false;
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}
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bool AnimationMayBeReferenced(nsAtom* aName) const {
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return mMaybeReferencedAnimations.Contains(aName);
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}
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private:
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// This includes all animation names referenced regardless of whether a
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// corresponding `@keyframes` rule is available.
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//
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// It may contain names which are no longer referenced, but it should always
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// contain names which are currently referenced, so that it is usable for
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// style invalidation.
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nsTHashSet<RefPtr<nsAtom>> mMaybeReferencedAnimations;
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void DoUpdateAnimations(const mozilla::NonOwningAnimationTarget& aTarget,
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const nsStyleUIReset& aStyle,
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ServoCSSAnimationBuilder& aBuilder);
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};
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#endif /* !defined(nsAnimationManager_h_) */
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