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ee2dcf8fe6
This mostly just moves code around, to minimize potential behavior changes. There are some cleanups that we should try to do long term (this "have an array with n different counts" is pretty weird). But for now this should unblock people. The destination struct (nsStyleUIReset) was chosen mainly because it's small and non-inherited, and it doesn't seem like a worse place than nsStyleDisplay. Differential Revision: https://phabricator.services.mozilla.com/D144183
72 lines
2.7 KiB
C++
72 lines
2.7 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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/* Code to start and animate CSS transitions. */
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#ifndef nsTransitionManager_h_
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#define nsTransitionManager_h_
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#include "mozilla/dom/CSSTransition.h"
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#include "AnimationCommon.h"
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#include "nsISupportsImpl.h"
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class nsPresContext;
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class nsCSSPropertyIDSet;
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struct nsStyleUIReset;
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namespace mozilla {
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class ComputedStyle;
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enum class PseudoStyleType : uint8_t;
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} // namespace mozilla
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class nsTransitionManager final
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: public mozilla::CommonAnimationManager<mozilla::dom::CSSTransition> {
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public:
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explicit nsTransitionManager(nsPresContext* aPresContext)
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: mozilla::CommonAnimationManager<mozilla::dom::CSSTransition>(
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aPresContext) {}
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~nsTransitionManager() final = default;
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typedef mozilla::AnimationCollection<mozilla::dom::CSSTransition>
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CSSTransitionCollection;
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/**
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* Update transitions for stylo.
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*/
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bool UpdateTransitions(mozilla::dom::Element* aElement,
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mozilla::PseudoStyleType aPseudoType,
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const mozilla::ComputedStyle& aOldStyle,
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const mozilla::ComputedStyle& aNewStyle);
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protected:
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typedef nsTArray<RefPtr<mozilla::dom::CSSTransition>>
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OwningCSSTransitionPtrArray;
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// Update transitions. This will start new transitions,
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// replace existing transitions, and stop existing transitions
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// as needed. aDisp and aElement must be non-null.
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// aElementTransitions is the collection of current transitions, and it
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// could be a nullptr if we don't have any transitions.
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bool DoUpdateTransitions(const nsStyleUIReset& aStyle,
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mozilla::dom::Element* aElement,
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mozilla::PseudoStyleType aPseudoType,
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CSSTransitionCollection*& aElementTransitions,
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const mozilla::ComputedStyle& aOldStyle,
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const mozilla::ComputedStyle& aNewStyle);
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// Returns whether the transition actually started.
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bool ConsiderInitiatingTransition(
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nsCSSPropertyID aProperty, const nsStyleUIReset& aStyle,
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uint32_t transitionIdx, mozilla::dom::Element* aElement,
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mozilla::PseudoStyleType aPseudoType,
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CSSTransitionCollection*& aElementTransitions,
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const mozilla::ComputedStyle& aOldStyle,
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const mozilla::ComputedStyle& aNewStyle,
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nsCSSPropertyIDSet& aPropertiesChecked);
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};
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#endif /* !defined(nsTransitionManager_h_) */
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