зеркало из https://github.com/mozilla/gecko-dev.git
118 строки
4.0 KiB
C++
118 строки
4.0 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_layers_AnimationStorageData_h
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#define mozilla_layers_AnimationStorageData_h
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#include "mozilla/dom/Nullable.h"
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#include "mozilla/ServoStyleConsts.h" // for ComputedTimingFunction
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#include "mozilla/layers/LayersMessages.h" // for TransformData, etc
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#include "mozilla/layers/LayersTypes.h" // for LayersId
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#include "mozilla/TimeStamp.h" // for TimeStamp
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#include "mozilla/TimingParams.h"
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#include "X11UndefineNone.h"
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namespace mozilla {
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namespace dom {
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enum class CompositeOperation : uint8_t;
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enum class IterationCompositeOperation : uint8_t;
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}; // namespace dom
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namespace layers {
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struct PropertyAnimation {
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struct SegmentData {
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RefPtr<RawServoAnimationValue> mStartValue;
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RefPtr<RawServoAnimationValue> mEndValue;
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Maybe<mozilla::StyleComputedTimingFunction> mFunction;
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float mStartPortion;
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float mEndPortion;
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dom::CompositeOperation mStartComposite;
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dom::CompositeOperation mEndComposite;
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};
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nsTArray<SegmentData> mSegments;
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TimingParams mTiming;
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// These two variables correspond to the variables of the same name in
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// KeyframeEffectReadOnly and are used for the same purpose: to skip composing
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// animations whose progress has not changed.
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dom::Nullable<double> mProgressOnLastCompose;
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uint64_t mCurrentIterationOnLastCompose = 0;
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// These two variables are used for a similar optimization above but are
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// applied to the timing function in each keyframe.
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uint32_t mSegmentIndexOnLastCompose = 0;
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dom::Nullable<double> mPortionInSegmentOnLastCompose;
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TimeStamp mOriginTime;
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Maybe<TimeDuration> mStartTime;
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TimeDuration mHoldTime;
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float mPlaybackRate;
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dom::IterationCompositeOperation mIterationComposite;
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bool mIsNotPlaying;
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// The information for scroll-driven animations.
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Maybe<ScrollTimelineOptions> mScrollTimelineOptions;
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void ResetLastCompositionValues() {
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mCurrentIterationOnLastCompose = 0;
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mSegmentIndexOnLastCompose = 0;
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mProgressOnLastCompose.SetNull();
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mPortionInSegmentOnLastCompose.SetNull();
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}
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};
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struct PropertyAnimationGroup {
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nsCSSPropertyID mProperty;
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nsTArray<PropertyAnimation> mAnimations;
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RefPtr<RawServoAnimationValue> mBaseStyle;
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bool IsEmpty() const { return mAnimations.IsEmpty(); }
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void Clear() {
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mAnimations.Clear();
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mBaseStyle = nullptr;
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}
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void ResetLastCompositionValues() {
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for (PropertyAnimation& animation : mAnimations) {
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animation.ResetLastCompositionValues();
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}
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}
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};
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struct AnimationStorageData {
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// Each entry in the array represents an animation list for one property. For
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// transform-like properties (e.g. transform, rotate etc.), there may be
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// multiple entries depending on how many transform-like properties we have.
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nsTArray<PropertyAnimationGroup> mAnimation;
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Maybe<TransformData> mTransformData;
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// For motion path. We cached the gfx path for optimization.
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RefPtr<gfx::Path> mCachedMotionPath;
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// This is used to communicate with the main-thread. E.g. to tell the fact
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// that this animation needs to be pre-rendered again on the main-thread, etc.
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LayersId mLayersId;
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AnimationStorageData() = default;
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AnimationStorageData(AnimationStorageData&& aOther) = default;
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AnimationStorageData& operator=(AnimationStorageData&& aOther) = default;
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// Avoid any copy because mAnimation could be a large array.
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AnimationStorageData(const AnimationStorageData& aOther) = delete;
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AnimationStorageData& operator=(const AnimationStorageData& aOther) = delete;
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bool IsEmpty() const { return mAnimation.IsEmpty(); }
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void Clear() {
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mAnimation.Clear();
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mTransformData.reset();
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mCachedMotionPath = nullptr;
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}
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};
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} // namespace layers
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} // namespace mozilla
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#endif // mozilla_layers_AnimationStorageData_h
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