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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /layout/style/AnimationCollection.h | |
parent | Initial commit. (diff) | |
download | thunderbird-upstream.tar.xz thunderbird-upstream.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | layout/style/AnimationCollection.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/layout/style/AnimationCollection.h b/layout/style/AnimationCollection.h new file mode 100644 index 0000000000..84f68506d1 --- /dev/null +++ b/layout/style/AnimationCollection.h @@ -0,0 +1,71 @@ +/* -*- 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_AnimationCollection_h +#define mozilla_AnimationCollection_h + +#include "mozilla/Assertions.h" +#include "mozilla/LinkedList.h" +#include "mozilla/RefPtr.h" +#include "nsCSSPseudoElements.h" +#include "nsTArrayForwardDeclare.h" + +class nsAtom; +class nsIFrame; +class nsPresContext; + +namespace mozilla { +namespace dom { +class Element; +} +enum class PseudoStyleType : uint8_t; + +template <class AnimationType> +class AnimationCollection + : public LinkedListElement<AnimationCollection<AnimationType>> { + typedef AnimationCollection<AnimationType> SelfType; + + public: + AnimationCollection(dom::Element& aOwner, PseudoStyleType aPseudoType) + : mElement(aOwner), mPseudo(aPseudoType) { + MOZ_COUNT_CTOR(AnimationCollection); + } + + ~AnimationCollection(); + + void Destroy(); + + // Given the frame |aFrame| with possibly animated content, finds its + // associated collection of animations. If |aFrame| is a generated content + // frame, this function may examine the parent frame to search for such + // animations. + static AnimationCollection* Get(const nsIFrame* aFrame); + static AnimationCollection* Get(const dom::Element* aElement, + PseudoStyleType aPseudoType); + + // The element. Weak reference is fine since it owns us. + // FIXME(emilio): These are only needed for Destroy(), so maybe remove and + // rely on the caller clearing us properly? + dom::Element& mElement; + const PseudoStyleType mPseudo; + + nsTArray<RefPtr<AnimationType>> mAnimations; + + private: + // We distinguish between destroying this by calling Destroy() vs directly + // clearing the collection. + // + // The former case represents regular updating due to style changes and should + // trigger subsequent restyles. + // + // The latter case represents document tear-down or other DOM surgery in + // which case we should not trigger restyles. + bool mCalledDestroy = false; +}; + +} // namespace mozilla + +#endif // mozilla_AnimationCollection_h |