зеркало из https://github.com/mozilla/gecko-dev.git
79 строки
2.4 KiB
C++
79 строки
2.4 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#ifndef mozilla_AnimationTarget_h
|
|
#define mozilla_AnimationTarget_h
|
|
|
|
#include "mozilla/Attributes.h" // For MOZ_NON_OWNING_REF
|
|
#include "mozilla/Maybe.h"
|
|
#include "mozilla/RefPtr.h"
|
|
#include "nsCSSPseudoElements.h"
|
|
|
|
namespace mozilla {
|
|
|
|
namespace dom {
|
|
class Element;
|
|
} // namespace dom
|
|
|
|
struct OwningAnimationTarget
|
|
{
|
|
OwningAnimationTarget(dom::Element* aElement, CSSPseudoElementType aType)
|
|
: mElement(aElement), mPseudoType(aType) { }
|
|
|
|
explicit OwningAnimationTarget(dom::Element* aElement)
|
|
: mElement(aElement) { }
|
|
|
|
bool operator==(const OwningAnimationTarget& aOther) const
|
|
{
|
|
return mElement == aOther.mElement &&
|
|
mPseudoType == aOther.mPseudoType;
|
|
}
|
|
|
|
// mElement represents the parent element of a pseudo-element, not the
|
|
// generated content element.
|
|
RefPtr<dom::Element> mElement;
|
|
CSSPseudoElementType mPseudoType = CSSPseudoElementType::NotPseudo;
|
|
};
|
|
|
|
struct NonOwningAnimationTarget
|
|
{
|
|
NonOwningAnimationTarget(dom::Element* aElement, CSSPseudoElementType aType)
|
|
: mElement(aElement), mPseudoType(aType) { }
|
|
|
|
explicit NonOwningAnimationTarget(const OwningAnimationTarget& aOther)
|
|
: mElement(aOther.mElement), mPseudoType(aOther.mPseudoType) { }
|
|
|
|
// mElement represents the parent element of a pseudo-element, not the
|
|
// generated content element.
|
|
dom::Element* MOZ_NON_OWNING_REF mElement = nullptr;
|
|
CSSPseudoElementType mPseudoType = CSSPseudoElementType::NotPseudo;
|
|
};
|
|
|
|
|
|
// Helper functions for cycle-collecting Maybe<OwningAnimationTarget>
|
|
inline void
|
|
ImplCycleCollectionTraverse(nsCycleCollectionTraversalCallback& aCallback,
|
|
Maybe<OwningAnimationTarget>& aTarget,
|
|
const char* aName,
|
|
uint32_t aFlags = 0)
|
|
{
|
|
if (aTarget) {
|
|
ImplCycleCollectionTraverse(aCallback, aTarget->mElement, aName, aFlags);
|
|
}
|
|
}
|
|
|
|
inline void
|
|
ImplCycleCollectionUnlink(Maybe<OwningAnimationTarget>& aTarget)
|
|
{
|
|
if (aTarget) {
|
|
ImplCycleCollectionUnlink(aTarget->mElement);
|
|
}
|
|
}
|
|
|
|
} // namespace mozilla
|
|
|
|
#endif // mozilla_AnimationTarget_h
|