1 files changed, 57 insertions, 0 deletions
diff --git a/dom/grid/GridDimension.h b/dom/grid/GridDimension.h
new file mode 100644
index 0000000000..9d3b6174c7
--- /dev/null
+++ b/dom/grid/GridDimension.h
@@ -0,0 +1,57 @@
+/* -*- 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_GridDimension_h
+#define mozilla_dom_GridDimension_h
+
+#include "nsWrapperCache.h"
+#include "nsTArray.h"
+
+namespace mozilla {
+
+struct ComputedGridLineInfo;
+struct ComputedGridTrackInfo;
+
+namespace dom {
+
+class Grid;
+class GridArea;
+class GridLines;
+class GridTracks;
+
+class GridDimension : public nsISupports, public nsWrapperCache {
+ public:
+  explicit GridDimension(Grid* aParent);
+
+ protected:
+  virtual ~GridDimension();
+
+ public:
+  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
+  NS_DECL_CYCLE_COLLECTION_WRAPPERCACHE_CLASS(GridDimension)
+
+  virtual JSObject* WrapObject(JSContext* aCx,
+                               JS::Handle<JSObject*> aGivenProto) override;
+  Grid* GetParentObject() { return mParent; }
+
+  GridLines* Lines() const;
+  GridTracks* Tracks() const;
+
+  void SetTrackInfo(const ComputedGridTrackInfo* aTrackInfo);
+  void SetLineInfo(const ComputedGridTrackInfo* aTrackInfo,
+                   const ComputedGridLineInfo* aLineInfo,
+                   const nsTArray<RefPtr<GridArea>>& aAreas, bool aIsRow);
+
+ protected:
+  RefPtr<Grid> mParent;
+  RefPtr<GridLines> mLines;
+  RefPtr<GridTracks> mTracks;
+};
+
+}  // namespace dom
+}  // namespace mozilla
+
+#endif /* mozilla_dom_GridDimension_h */