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-rw-r--r--layout/style/TimelineCollection.cpp67
1 files changed, 67 insertions, 0 deletions
diff --git a/layout/style/TimelineCollection.cpp b/layout/style/TimelineCollection.cpp
new file mode 100644
index 0000000000..d4b0815433
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+++ b/layout/style/TimelineCollection.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 "TimelineCollection.h"
+
+#include "mozilla/ElementAnimationData.h"
+#include "mozilla/dom/Element.h"
+#include "mozilla/dom/ScrollTimeline.h"
+#include "mozilla/dom/ViewTimeline.h"
+#include <type_traits>
+
+namespace mozilla {
+
+template <class TimelineType>
+TimelineCollection<TimelineType>::~TimelineCollection() {
+ MOZ_COUNT_DTOR(TimelineCollection);
+
+ // FIXME: Bug 1774060. We have to restyle the animations which use the
+ // timelines associtated with this TimelineCollection.
+
+ LinkedListElement<SelfType>::remove();
+}
+
+template <class TimelineType>
+void TimelineCollection<TimelineType>::Destroy() {
+ auto* data = mElement.GetAnimationData();
+ MOZ_ASSERT(data);
+ if constexpr (std::is_same_v<TimelineType, dom::ScrollTimeline>) {
+ MOZ_ASSERT(data->GetScrollTimelineCollection(mPseudo) == this);
+ data->ClearScrollTimelineCollectionFor(mPseudo);
+ } else if constexpr (std::is_same_v<TimelineType, dom::ViewTimeline>) {
+ MOZ_ASSERT(data->GetViewTimelineCollection(mPseudo) == this);
+ data->ClearViewTimelineCollectionFor(mPseudo);
+ } else {
+ MOZ_ASSERT_UNREACHABLE("Unsupported TimelienType");
+ }
+}
+
+template <class TimelineType>
+/* static */ TimelineCollection<TimelineType>*
+TimelineCollection<TimelineType>::Get(const dom::Element* aElement,
+ const PseudoStyleType aPseudoType) {
+ MOZ_ASSERT(aElement);
+ auto* data = aElement->GetAnimationData();
+ if (!data) {
+ return nullptr;
+ }
+
+ if constexpr (std::is_same_v<TimelineType, dom::ScrollTimeline>) {
+ return data->GetScrollTimelineCollection(aPseudoType);
+ }
+
+ if constexpr (std::is_same_v<TimelineType, dom::ViewTimeline>) {
+ return data->GetViewTimelineCollection(aPseudoType);
+ }
+
+ return nullptr;
+}
+
+// Explicit class instantiations
+template class TimelineCollection<dom::ScrollTimeline>;
+template class TimelineCollection<dom::ViewTimeline>;
+
+} // namespace mozilla