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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /layout/style/AnimationCollection.cpp
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'layout/style/AnimationCollection.cpp')
-rw-r--r--layout/style/AnimationCollection.cpp172
1 files changed, 172 insertions, 0 deletions
diff --git a/layout/style/AnimationCollection.cpp b/layout/style/AnimationCollection.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 "mozilla/AnimationCollection.h"
+
+#include "mozilla/RestyleManagerHandle.h"
+#include "mozilla/RestyleManagerHandleInlines.h"
+#include "nsAnimationManager.h" // For dom::CSSAnimation
+#include "nsPresContext.h"
+#include "nsTransitionManager.h" // For dom::CSSTransition
+
+namespace mozilla {
+
+template <class AnimationType>
+/* static */ void
+AnimationCollection<AnimationType>::PropertyDtor(void* aObject,
+ nsIAtom* aPropertyName,
+ void* aPropertyValue,
+ void* aData)
+{
+ AnimationCollection* collection =
+ static_cast<AnimationCollection*>(aPropertyValue);
+#ifdef DEBUG
+ MOZ_ASSERT(!collection->mCalledPropertyDtor, "can't call dtor twice");
+ collection->mCalledPropertyDtor = true;
+#endif
+ {
+ nsAutoAnimationMutationBatch mb(collection->mElement->OwnerDoc());
+
+ for (size_t animIdx = collection->mAnimations.Length(); animIdx-- != 0; ) {
+ collection->mAnimations[animIdx]->CancelFromStyle();
+ }
+ }
+ delete collection;
+}
+
+template <class AnimationType>
+/* static */ AnimationCollection<AnimationType>*
+AnimationCollection<AnimationType>::GetAnimationCollection(
+ dom::Element *aElement,
+ CSSPseudoElementType aPseudoType)
+{
+ if (!aElement->MayHaveAnimations()) {
+ // Early return for the most common case.
+ return nullptr;
+ }
+
+ nsIAtom* propName = GetPropertyAtomForPseudoType(aPseudoType);
+ if (!propName) {
+ return nullptr;
+ }
+
+ return
+ static_cast<AnimationCollection<AnimationType>*>(aElement->
+ GetProperty(propName));
+}
+
+template <class AnimationType>
+/* static */ AnimationCollection<AnimationType>*
+AnimationCollection<AnimationType>::GetAnimationCollection(
+ const nsIFrame* aFrame)
+{
+ Maybe<NonOwningAnimationTarget> pseudoElement =
+ EffectCompositor::GetAnimationElementAndPseudoForFrame(aFrame);
+ if (!pseudoElement) {
+ return nullptr;
+ }
+
+ if (!pseudoElement->mElement->MayHaveAnimations()) {
+ return nullptr;
+ }
+
+ return GetAnimationCollection(pseudoElement->mElement,
+ pseudoElement->mPseudoType);
+}
+
+template <class AnimationType>
+/* static */ AnimationCollection<AnimationType>*
+AnimationCollection<AnimationType>::GetOrCreateAnimationCollection(
+ dom::Element* aElement,
+ CSSPseudoElementType aPseudoType,
+ bool* aCreatedCollection)
+{
+ MOZ_ASSERT(aCreatedCollection);
+ *aCreatedCollection = false;
+
+ nsIAtom* propName = GetPropertyAtomForPseudoType(aPseudoType);
+ MOZ_ASSERT(propName, "Should only try to create animations for one of the"
+ " recognized pseudo types");
+
+ auto collection = static_cast<AnimationCollection<AnimationType>*>(
+ aElement->GetProperty(propName));
+ if (!collection) {
+ // FIXME: Consider arena-allocating?
+ collection = new AnimationCollection<AnimationType>(aElement, propName);
+ nsresult rv =
+ aElement->SetProperty(propName, collection,
+ &AnimationCollection<AnimationType>::PropertyDtor,
+ false);
+ if (NS_FAILED(rv)) {
+ NS_WARNING("SetProperty failed");
+ // The collection must be destroyed via PropertyDtor, otherwise
+ // mCalledPropertyDtor assertion is triggered in destructor.
+ AnimationCollection<AnimationType>::PropertyDtor(aElement, propName,
+ collection, nullptr);
+ return nullptr;
+ }
+
+ *aCreatedCollection = true;
+ aElement->SetMayHaveAnimations();
+ }
+
+ return collection;
+}
+
+template <class AnimationType>
+/* static */ nsString
+AnimationCollection<AnimationType>::PseudoTypeAsString(
+ CSSPseudoElementType aPseudoType)
+{
+ switch (aPseudoType) {
+ case CSSPseudoElementType::before:
+ return NS_LITERAL_STRING("::before");
+ case CSSPseudoElementType::after:
+ return NS_LITERAL_STRING("::after");
+ default:
+ MOZ_ASSERT(aPseudoType == CSSPseudoElementType::NotPseudo,
+ "Unexpected pseudo type");
+ return EmptyString();
+ }
+}
+
+template <class AnimationType>
+void
+AnimationCollection<AnimationType>::UpdateCheckGeneration(
+ nsPresContext* aPresContext)
+{
+ if (aPresContext->RestyleManager()->IsServo()) {
+ // stylo: ServoRestyleManager does not support animations yet.
+ return;
+ }
+ mCheckGeneration =
+ aPresContext->RestyleManager()->AsGecko()->GetAnimationGeneration();
+}
+
+template<class AnimationType>
+/*static*/ nsIAtom*
+AnimationCollection<AnimationType>::GetPropertyAtomForPseudoType(
+ CSSPseudoElementType aPseudoType)
+{
+ nsIAtom* propName = nullptr;
+
+ if (aPseudoType == CSSPseudoElementType::NotPseudo) {
+ propName = TraitsType::ElementPropertyAtom();
+ } else if (aPseudoType == CSSPseudoElementType::before) {
+ propName = TraitsType::BeforePropertyAtom();
+ } else if (aPseudoType == CSSPseudoElementType::after) {
+ propName = TraitsType::AfterPropertyAtom();
+ }
+
+ return propName;
+}
+
+// Explicit class instantiations
+
+template class AnimationCollection<dom::CSSAnimation>;
+template class AnimationCollection<dom::CSSTransition>;
+
+} // namespace mozilla