1 files changed, 58 insertions, 0 deletions
diff --git a/dom/flex/FlexLineValues.h b/dom/flex/FlexLineValues.h
new file mode 100644
index 0000000000..340af2e7e5
--- /dev/null
+++ b/dom/flex/FlexLineValues.h
@@ -0,0 +1,58 @@
+/* -*- 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_FlexLineValues_h
+#define mozilla_dom_FlexLineValues_h
+
+#include "mozilla/dom/FlexBinding.h"
+#include "nsISupports.h"
+#include "nsWrapperCache.h"
+
+struct ComputedFlexLineInfo;
+
+namespace mozilla::dom {
+
+class Flex;
+class FlexItemValues;
+
+class FlexLineValues : public nsISupports, public nsWrapperCache {
+ public:
+  explicit FlexLineValues(Flex* aParent, const ComputedFlexLineInfo* aLine);
+
+ protected:
+  virtual ~FlexLineValues() = default;
+
+ public:
+  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
+  NS_DECL_CYCLE_COLLECTION_WRAPPERCACHE_CLASS(FlexLineValues)
+
+  virtual JSObject* WrapObject(JSContext* aCx,
+                               JS::Handle<JSObject*> aGivenProto) override;
+  Flex* GetParentObject() { return mParent; }
+
+  FlexLineGrowthState GrowthState() const;
+  double CrossStart() const;
+  double CrossSize() const;
+  double FirstBaselineOffset() const;
+  double LastBaselineOffset() const;
+
+  void GetItems(nsTArray<RefPtr<FlexItemValues>>& aResult);
+
+ protected:
+  RefPtr<Flex> mParent;
+
+  FlexLineGrowthState mGrowthState;
+  double mCrossStart;
+  double mCrossSize;
+  double mFirstBaselineOffset;
+  double mLastBaselineOffset;
+
+  nsTArray<RefPtr<FlexItemValues>> mItems;
+};
+
+}  // namespace mozilla::dom
+
+#endif /* mozilla_dom_FlexLineValues_h */