forked from mirrors/gecko-dev
472261864f
This will be used for animation value composition in Rust. MozReview-Commit-ID: Lg4dZrQW1WC --HG-- extra : rebase_source : e03b19aa7907c122f773b2b06df96aee4fe32ae2
63 lines
2 KiB
C++
63 lines
2 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 file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_AnimationPropertySegment_h
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#define mozilla_dom_AnimationPropertySegment_h
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#include "mozilla/ComputedTimingFunction.h"
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#include "mozilla/Maybe.h"
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#include "mozilla/StyleAnimationValue.h" // For AnimationValue
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#include "mozilla/dom/BaseKeyframeTypesBinding.h" // For CompositeOperation
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namespace mozilla {
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struct AnimationPropertySegment
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{
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float mFromKey, mToKey;
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// NOTE: In the case that no keyframe for 0 or 1 offset is specified
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// the unit of mFromValue or mToValue is eUnit_Null.
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AnimationValue mFromValue, mToValue;
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Maybe<ComputedTimingFunction> mTimingFunction;
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dom::CompositeOperation mFromComposite = dom::CompositeOperation::Replace;
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dom::CompositeOperation mToComposite = dom::CompositeOperation::Replace;
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bool HasReplaceableValues() const
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{
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return HasReplaceableFromValue() && HasReplaceableToValue();
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}
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bool HasReplaceableFromValue() const
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{
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return !mFromValue.IsNull() &&
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mFromComposite == dom::CompositeOperation::Replace;
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}
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bool HasReplaceableToValue() const
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{
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return !mToValue.IsNull() &&
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mToComposite == dom::CompositeOperation::Replace;
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}
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bool operator==(const AnimationPropertySegment& aOther) const
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{
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return mFromKey == aOther.mFromKey &&
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mToKey == aOther.mToKey &&
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mFromValue == aOther.mFromValue &&
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mToValue == aOther.mToValue &&
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mTimingFunction == aOther.mTimingFunction &&
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mFromComposite == aOther.mFromComposite &&
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mToComposite == aOther.mToComposite;
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}
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bool operator!=(const AnimationPropertySegment& aOther) const
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{
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return !(*this == aOther);
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}
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};
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}
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#endif // mozilla_dom_AnimationPropertySegment_h
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