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265e672179
# ignore-this-changeset --HG-- extra : amend_source : 4d301d3b0b8711c4692392aa76088ba7fd7d1022
75 lines
2.5 KiB
C++
75 lines
2.5 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_AnimationTarget_h
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#define mozilla_AnimationTarget_h
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#include "mozilla/Attributes.h" // For MOZ_NON_OWNING_REF
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#include "mozilla/Maybe.h"
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#include "mozilla/RefPtr.h"
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#include "nsCSSPseudoElements.h"
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namespace mozilla {
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namespace dom {
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class Element;
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} // namespace dom
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struct OwningAnimationTarget {
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OwningAnimationTarget(dom::Element* aElement, CSSPseudoElementType aType)
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: mElement(aElement), mPseudoType(aType) {}
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explicit OwningAnimationTarget(dom::Element* aElement) : mElement(aElement) {}
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bool operator==(const OwningAnimationTarget& aOther) const {
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return mElement == aOther.mElement && mPseudoType == aOther.mPseudoType;
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}
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// mElement represents the parent element of a pseudo-element, not the
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// generated content element.
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RefPtr<dom::Element> mElement;
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CSSPseudoElementType mPseudoType = CSSPseudoElementType::NotPseudo;
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};
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struct NonOwningAnimationTarget {
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NonOwningAnimationTarget() = default;
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NonOwningAnimationTarget(dom::Element* aElement, CSSPseudoElementType aType)
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: mElement(aElement), mPseudoType(aType) {}
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explicit NonOwningAnimationTarget(const OwningAnimationTarget& aOther)
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: mElement(aOther.mElement), mPseudoType(aOther.mPseudoType) {}
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bool operator==(const NonOwningAnimationTarget& aOther) const {
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return mElement == aOther.mElement && mPseudoType == aOther.mPseudoType;
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}
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// mElement represents the parent element of a pseudo-element, not the
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// generated content element.
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dom::Element* MOZ_NON_OWNING_REF mElement = nullptr;
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CSSPseudoElementType mPseudoType = CSSPseudoElementType::NotPseudo;
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};
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// Helper functions for cycle-collecting Maybe<OwningAnimationTarget>
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inline void ImplCycleCollectionTraverse(
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nsCycleCollectionTraversalCallback& aCallback,
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Maybe<OwningAnimationTarget>& aTarget, const char* aName,
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uint32_t aFlags = 0) {
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if (aTarget) {
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ImplCycleCollectionTraverse(aCallback, aTarget->mElement, aName, aFlags);
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}
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}
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inline void ImplCycleCollectionUnlink(Maybe<OwningAnimationTarget>& aTarget) {
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if (aTarget) {
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ImplCycleCollectionUnlink(aTarget->mElement);
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}
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}
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} // namespace mozilla
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#endif // mozilla_AnimationTarget_h
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