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-rw-r--r--dom/animation/EffectSet.cpp132
1 files changed, 132 insertions, 0 deletions
diff --git a/dom/animation/EffectSet.cpp b/dom/animation/EffectSet.cpp
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+++ b/dom/animation/EffectSet.cpp
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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->IsFrameOfType(nsIFrame::eSupportsCSSTransforms)) {
+ 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