1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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
|
