1 files changed, 49 insertions, 0 deletions
diff --git a/dom/flex/Flex.h b/dom/flex/Flex.h
new file mode 100644
index 0000000000..7476585a3c
--- /dev/null
+++ b/dom/flex/Flex.h
@@ -0,0 +1,49 @@
+/* -*- 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_Flex_h
+#define mozilla_dom_Flex_h
+
+#include "mozilla/dom/FlexBinding.h"
+#include "nsISupports.h"
+#include "nsWrapperCache.h"
+
+class nsFlexContainerFrame;
+
+namespace mozilla::dom {
+
+class Element;
+class FlexLineValues;
+
+class Flex : public nsISupports, public nsWrapperCache {
+ public:
+  explicit Flex(Element* aParent, nsFlexContainerFrame* aFrame);
+
+ protected:
+  virtual ~Flex() = default;
+
+ public:
+  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
+  NS_DECL_CYCLE_COLLECTION_WRAPPERCACHE_CLASS(Flex)
+
+  virtual JSObject* WrapObject(JSContext* aCx,
+                               JS::Handle<JSObject*> aGivenProto) override;
+  Element* GetParentObject() { return mParent; }
+
+  void GetLines(nsTArray<RefPtr<FlexLineValues>>& aResult);
+  FlexPhysicalDirection MainAxisDirection() const;
+  FlexPhysicalDirection CrossAxisDirection() const;
+
+ protected:
+  nsCOMPtr<Element> mParent;
+  nsTArray<RefPtr<FlexLineValues>> mLines;
+  FlexPhysicalDirection mMainAxisDirection;
+  FlexPhysicalDirection mCrossAxisDirection;
+};
+
+}  // namespace mozilla::dom
+
+#endif /* mozilla_dom_Flex_h */