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/* -*- 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/. */
#include "EffectSet.h"
#include "mozilla/dom/Element.h" // For Element
#include "mozilla/RestyleManager.h"
#include "mozilla/LayerAnimationInfo.h"
#include "nsCSSPseudoElements.h" // For PseudoStyleType
#include "nsCycleCollectionNoteChild.h" // For CycleCollectionNoteChild
#include "nsPresContext.h"
#include "nsLayoutUtils.h"
#include "ElementAnimationData.h"
namespace mozilla {
void EffectSet::Traverse(nsCycleCollectionTraversalCallback& aCallback) {
for (const auto& key : mEffects) {
CycleCollectionNoteChild(aCallback, key, "EffectSet::mEffects[]",
aCallback.Flags());
}
}
/* static */
EffectSet* EffectSet::Get(const dom::Element* aElement,
PseudoStyleType aPseudoType) {
if (auto* data = aElement->GetAnimationData()) {
return data->GetEffectSetFor(aPseudoType);
}
return nullptr;
}
/* static */
EffectSet* EffectSet::GetOrCreate(dom::Element* aElement,
PseudoStyleType aPseudoType) {
return &aElement->EnsureAnimationData().EnsureEffectSetFor(aPseudoType);
}
/* static */
EffectSet* EffectSet::GetForFrame(const nsIFrame* aFrame,
const nsCSSPropertyIDSet& aProperties) {
MOZ_ASSERT(aFrame);
// Transform animations are run on the primary frame (but stored on the
// content associated with the style frame).
const nsIFrame* frameToQuery = nullptr;
if (aProperties.IsSubsetOf(nsCSSPropertyIDSet::TransformLikeProperties())) {
// Make sure to return nullptr if we're looking for transform animations on
// the inner table frame.
if (!aFrame->SupportsCSSTransforms()) {
return nullptr;
}
frameToQuery = nsLayoutUtils::GetStyleFrame(aFrame);
} else {
MOZ_ASSERT(
!aProperties.Intersects(nsCSSPropertyIDSet::TransformLikeProperties()),
"We should have only transform properties or no transform properties");
// We don't need to explicitly return nullptr when |aFrame| is NOT the style
// frame since there will be no effect set in that case.
frameToQuery = aFrame;
}
Maybe<NonOwningAnimationTarget> target =
EffectCompositor::GetAnimationElementAndPseudoForFrame(frameToQuery);
if (!target) {
return nullptr;
}
return Get(target->mElement, target->mPseudoType);
}
/* static */
EffectSet* EffectSet::GetForFrame(const nsIFrame* aFrame,
DisplayItemType aDisplayItemType) {
return EffectSet::GetForFrame(
aFrame, LayerAnimationInfo::GetCSSPropertiesFor(aDisplayItemType));
}
/* static */
EffectSet* EffectSet::GetForStyleFrame(const nsIFrame* aStyleFrame) {
Maybe<NonOwningAnimationTarget> target =
EffectCompositor::GetAnimationElementAndPseudoForFrame(aStyleFrame);
if (!target) {
return nullptr;
}
return Get(target->mElement, target->mPseudoType);
}
/* static */
EffectSet* EffectSet::GetForEffect(const dom::KeyframeEffect* aEffect) {
NonOwningAnimationTarget target = aEffect->GetAnimationTarget();
if (!target) {
return nullptr;
}
return EffectSet::Get(target.mElement, target.mPseudoType);
}
/* static */
void EffectSet::DestroyEffectSet(dom::Element* aElement,
PseudoStyleType aPseudoType) {
if (auto* data = aElement->GetAnimationData()) {
data->ClearEffectSetFor(aPseudoType);
}
}
void EffectSet::UpdateAnimationGeneration(nsPresContext* aPresContext) {
mAnimationGeneration =
aPresContext->RestyleManager()->GetAnimationGeneration();
}
void EffectSet::AddEffect(dom::KeyframeEffect& aEffect) {
if (!mEffects.EnsureInserted(&aEffect)) {
return;
}
MarkCascadeNeedsUpdate();
}
void EffectSet::RemoveEffect(dom::KeyframeEffect& aEffect) {
if (!mEffects.EnsureRemoved(&aEffect)) {
return;
}
MarkCascadeNeedsUpdate();
}
} // namespace mozilla
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