1 files changed, 62 insertions, 0 deletions
diff --git a/layout/style/CSSKeyframeRule.h b/layout/style/CSSKeyframeRule.h
new file mode 100644
index 0000000000..b1a202ced1
--- /dev/null
+++ b/layout/style/CSSKeyframeRule.h
@@ -0,0 +1,62 @@
+/* -*- 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/. */
+
+#ifndef mozilla_dom_CSSKeyframeRule_h
+#define mozilla_dom_CSSKeyframeRule_h
+
+#include "mozilla/css/Rule.h"
+#include "mozilla/ServoBindingTypes.h"
+
+class nsICSSDeclaration;
+
+namespace mozilla::dom {
+
+class CSSKeyframeDeclaration;
+
+class CSSKeyframeRule final : public css::Rule {
+ public:
+  CSSKeyframeRule(already_AddRefed<StyleLockedKeyframe> aRaw,
+                  StyleSheet* aSheet, css::Rule* aParentRule, uint32_t aLine,
+                  uint32_t aColumn);
+
+  NS_DECL_ISUPPORTS_INHERITED
+  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(CSSKeyframeRule, css::Rule)
+  bool IsCCLeaf() const final;
+
+#ifdef DEBUG
+  void List(FILE* out = stdout, int32_t aIndent = 0) const final;
+#endif
+
+  StyleLockedKeyframe* Raw() const { return mRaw; }
+  void SetRawAfterClone(RefPtr<StyleLockedKeyframe>);
+
+  // WebIDL interface
+  StyleCssRuleType Type() const final;
+  void GetCssText(nsACString& aCssText) const final;
+  void GetKeyText(nsACString& aKey);
+  void SetKeyText(const nsACString& aKey);
+  nsICSSDeclaration* Style();
+
+  size_t SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const final;
+
+  JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) final;
+
+ private:
+  virtual ~CSSKeyframeRule();
+
+  friend class CSSKeyframeDeclaration;
+
+  template <typename Func>
+  void UpdateRule(Func aCallback);
+
+  RefPtr<StyleLockedKeyframe> mRaw;
+  // lazily created when needed
+  RefPtr<CSSKeyframeDeclaration> mDeclaration;
+};
+
+}  // namespace mozilla::dom
+
+#endif  // mozilla_dom_CSSKeyframeRule_h