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815dc5495a
This fixes some leaks, and fixes IsAnimatable/IsTransitionable to look at PropertyId. Differential Revision: https://phabricator.services.mozilla.com/D196419
85 lines
2.9 KiB
C++
85 lines
2.9 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_Keyframe_h
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#define mozilla_dom_Keyframe_h
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#include "nsCSSValue.h"
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#include "nsTArray.h"
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#include "mozilla/dom/BaseKeyframeTypesBinding.h" // CompositeOperationOrAuto
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#include "mozilla/AnimatedPropertyID.h"
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#include "mozilla/ServoStyleConsts.h"
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#include "mozilla/Maybe.h"
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#include "mozilla/RefPtr.h"
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namespace mozilla {
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struct StyleLockedDeclarationBlock;
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/**
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* A property-value pair specified on a keyframe.
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*/
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struct PropertyValuePair {
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explicit PropertyValuePair(const AnimatedPropertyID& aProperty)
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: mProperty(aProperty) {}
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PropertyValuePair(const AnimatedPropertyID& aProperty,
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RefPtr<StyleLockedDeclarationBlock>&& aValue)
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: mProperty(aProperty), mServoDeclarationBlock(std::move(aValue)) {
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MOZ_ASSERT(mServoDeclarationBlock, "Should be valid property value");
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}
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AnimatedPropertyID mProperty;
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// The specified value when using the Servo backend.
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RefPtr<StyleLockedDeclarationBlock> mServoDeclarationBlock;
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#ifdef DEBUG
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// Flag to indicate that when we call StyleAnimationValue::ComputeValues on
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// this value we should behave as if that function had failed.
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bool mSimulateComputeValuesFailure = false;
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#endif
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bool operator==(const PropertyValuePair&) const;
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};
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/**
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* A single keyframe.
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*
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* This is the canonical form in which keyframe effects are stored and
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* corresponds closely to the type of objects returned via the getKeyframes()
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* API.
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*
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* Before computing an output animation value, however, we flatten these frames
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* down to a series of per-property value arrays where we also resolve any
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* overlapping shorthands/longhands, convert specified CSS values to computed
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* values, etc.
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*
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* When the target element or computed style changes, however, we rebuild these
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* per-property arrays from the original list of keyframes objects. As a result,
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* these objects represent the master definition of the effect's values.
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*/
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struct Keyframe {
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Keyframe() = default;
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Keyframe(const Keyframe& aOther) = default;
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Keyframe(Keyframe&& aOther) = default;
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Keyframe& operator=(const Keyframe& aOther) = default;
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Keyframe& operator=(Keyframe&& aOther) = default;
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Maybe<double> mOffset;
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static constexpr double kComputedOffsetNotSet = -1.0;
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double mComputedOffset = kComputedOffsetNotSet;
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Maybe<StyleComputedTimingFunction> mTimingFunction; // Nothing() here means
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// "linear"
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dom::CompositeOperationOrAuto mComposite =
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dom::CompositeOperationOrAuto::Auto;
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CopyableTArray<PropertyValuePair> mPropertyValues;
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};
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} // namespace mozilla
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#endif // mozilla_dom_Keyframe_h
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