1 files changed, 70 insertions, 0 deletions
diff --git a/layout/style/CSSKeyframesRule.h b/layout/style/CSSKeyframesRule.h
new file mode 100644
index 0000000000..191e9a5f18
--- /dev/null
+++ b/layout/style/CSSKeyframesRule.h
@@ -0,0 +1,70 @@
+/* -*- 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_CSSKeyframesRule_h
+#define mozilla_dom_CSSKeyframesRule_h
+
+#include "mozilla/css/Rule.h"
+#include "mozilla/dom/CSSKeyframeRule.h"
+
+namespace mozilla::dom {
+
+class CSSKeyframeList;
+
+class CSSKeyframesRule final : public css::Rule {
+ public:
+  CSSKeyframesRule(RefPtr<StyleLockedKeyframesRule> aRawRule,
+                   StyleSheet* aSheet, css::Rule* aParentRule, uint32_t aLine,
+                   uint32_t aColumn);
+
+  NS_DECL_ISUPPORTS_INHERITED
+  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(CSSKeyframesRule, css::Rule)
+
+  bool IsCCLeaf() const final;
+
+#ifdef DEBUG
+  void List(FILE* out = stdout, int32_t aIndent = 0) const final;
+#endif
+
+  void DropSheetReference() final;
+
+  // WebIDL interface
+  StyleCssRuleType Type() const final;
+  const StyleLockedKeyframesRule* Raw() const { return mRawRule.get(); }
+  void SetRawAfterClone(RefPtr<StyleLockedKeyframesRule>);
+
+  void GetCssText(nsACString& aCssText) const final;
+  void GetName(nsAString& aName) const;
+  void SetName(const nsAString& aName);
+  CSSRuleList* CssRules();
+
+  CSSKeyframeRule* IndexedGetter(uint32_t aIndex, bool& aFound);
+  uint32_t Length();
+
+  void AppendRule(const nsAString& aRule);
+  void DeleteRule(const nsAString& aKey);
+  CSSKeyframeRule* FindRule(const nsAString& aKey);
+
+  size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const final;
+
+  JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) final;
+
+ private:
+  CSSKeyframeList* EnsureRules();
+  uint32_t FindRuleIndexForKey(const nsAString& aKey);
+
+  template <typename Func>
+  nsresult UpdateRule(Func aCallback);
+
+  virtual ~CSSKeyframesRule();
+
+  RefPtr<StyleLockedKeyframesRule> mRawRule;
+  RefPtr<CSSKeyframeList> mKeyframeList;  // lazily constructed
+};
+
+}  // namespace mozilla::dom
+
+#endif  // mozilla_dom_CSSKeyframesRule_h